Datasets:

nums
listlengths
4
4
target
int64
10
100
solution
listlengths
3
3
optimal_path
stringlengths
282
529
start_size
int64
4
4
search_path
stringlengths
505
16.8k
rating
float64
0
0.99
search_type
stringclasses
5 values
heuristic
stringclasses
2 values
[ 10, 66, 87, 27 ]
72
[ "87-27=60", "60/10=6", "66+6=72" ]
Current State: 72:[10, 66, 87, 27], Operations: [] Exploring Operation: 87-27=60, Resulting Numbers: [10, 66, 60] Generated Node #2: [10, 66, 60] from Operation: 87-27=60 Current State: 72:[10, 66, 60], Operations: ['87-27=60'] Exploring Operation: 60/10=6, Resulting Numbers: [66, 6] Generated Node #3: [66, 6] from Operation: 60/10=6 Current State: 72:[66, 6], Operations: ['87-27=60', '60/10=6'] Exploring Operation: 66+6=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[10, 66, 87, 27], Operations: [] Exploring Operation: 87-10=77, Resulting Numbers: [66, 27, 77] Generated Node #0,0: 72:[66, 27, 77] Operation: 87-10=77 Exploring Operation: 87-66=21, Resulting Numbers: [10, 27, 21] Generated Node #0,1: 72:[10, 27, 21] Operation: 87-66=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[10, 27, 21], Operations: ['87-66=21'] Exploring Operation: 10+27=37, Resulting Numbers: [21, 37] Generated Node #0,1,0: 72:[21, 37] Operation: 10+27=37 Exploring Operation: 27-21=6, Resulting Numbers: [10, 6] Generated Node #0,1,1: 72:[10, 6] Operation: 27-21=6 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 72:[10, 6], Operations: ['87-66=21', '27-21=6'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 72:[21, 37], Operations: ['87-66=21', '10+27=37'] Exploring Operation: 21+37=58, Resulting Numbers: [58] 58,72 unequal: No Solution Exploring Operation: 37-21=16, Resulting Numbers: [16] 16,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[66, 27, 77], Operations: ['87-10=77'] Exploring Operation: 66-27=39, Resulting Numbers: [77, 39] Generated Node #0,0,0: 72:[77, 39] Operation: 66-27=39 Exploring Operation: 77-66=11, Resulting Numbers: [27, 11] Generated Node #0,0,1: 72:[27, 11] Operation: 77-66=11 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 72:[27, 11], Operations: ['87-10=77', '77-66=11'] Exploring Operation: 27+11=38, Resulting Numbers: [38] 38,72 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 72:[77, 39], Operations: ['87-10=77', '66-27=39'] Exploring Operation: 77-39=38, Resulting Numbers: [38] 38,72 unequal: No Solution Exploring Operation: 77+39=116, Resulting Numbers: [116] 116,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 39, 27, 18, 11 ]
57
[ "39*11=429", "27*18=486", "486-429=57" ]
Current State: 57:[39, 27, 18, 11], Operations: [] Exploring Operation: 39*11=429, Resulting Numbers: [27, 18, 429] Generated Node #2: [27, 18, 429] from Operation: 39*11=429 Current State: 57:[27, 18, 429], Operations: ['39*11=429'] Exploring Operation: 27*18=486, Resulting Numbers: [429, 486] Generated Node #3: [429, 486] from Operation: 27*18=486 Current State: 57:[429, 486], Operations: ['39*11=429', '27*18=486'] Exploring Operation: 486-429=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[39, 27, 18, 11], Operations: [] Exploring Operation: 39+11=50, Resulting Numbers: [27, 18, 50] Generated Node #0,0: 57:[27, 18, 50] Operation: 39+11=50 Exploring Operation: 39+27=66, Resulting Numbers: [18, 11, 66] Generated Node #0,1: 57:[18, 11, 66] Operation: 39+27=66 Exploring Operation: 39+18=57, Resulting Numbers: [27, 11, 57] Generated Node #0,2: 57:[27, 11, 57] Operation: 39+18=57 Exploring Operation: 39-27=12, Resulting Numbers: [18, 11, 12] Generated Node #0,3: 57:[18, 11, 12] Operation: 39-27=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[27, 18, 50], Operations: ['39+11=50'] Exploring Operation: 18+50=68, Resulting Numbers: [27, 68] Generated Node #0,0,0: 57:[27, 68] Operation: 18+50=68 Exploring Operation: 27+18=45, Resulting Numbers: [50, 45] Generated Node #0,0,1: 57:[50, 45] Operation: 27+18=45 Exploring Operation: 50-27=23, Resulting Numbers: [18, 23] Generated Node #0,0,2: 57:[18, 23] Operation: 50-27=23 Exploring Operation: 27-18=9, Resulting Numbers: [50, 9] Generated Node #0,0,3: 57:[50, 9] Operation: 27-18=9 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 57:[18, 23], Operations: ['39+11=50', '50-27=23'] Exploring Operation: 18+23=41, Resulting Numbers: [41] 41,57 unequal: No Solution Exploring Operation: 18*23=414, Resulting Numbers: [414] 414,57 unequal: No Solution Exploring Operation: 23-18=5, Resulting Numbers: [5] 5,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 57:[50, 9], Operations: ['39+11=50', '27-18=9'] Exploring Operation: 50-9=41, Resulting Numbers: [41] 41,57 unequal: No Solution Exploring Operation: 50*9=450, Resulting Numbers: [450] 450,57 unequal: No Solution Exploring Operation: 50+9=59, Resulting Numbers: [59] 59,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 57:[27, 68], Operations: ['39+11=50', '18+50=68'] Exploring Operation: 27+68=95, Resulting Numbers: [95] 95,57 unequal: No Solution Exploring Operation: 27*68=1836, Resulting Numbers: [1836] 1836,57 unequal: No Solution Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 57:[50, 45], Operations: ['39+11=50', '27+18=45'] Exploring Operation: 50+45=95, Resulting Numbers: [95] 95,57 unequal: No Solution Exploring Operation: 50-45=5, Resulting Numbers: [5] 5,57 unequal: No Solution Exploring Operation: 50*45=2250, Resulting Numbers: [2250] 2250,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[27, 11, 57], Operations: ['39+18=57'] Exploring Operation: 27-11=16, Resulting Numbers: [57, 16] Generated Node #0,2,0: 57:[57, 16] Operation: 27-11=16 Exploring Operation: 11+57=68, Resulting Numbers: [27, 68] Generated Node #0,2,1: 57:[27, 68] Operation: 11+57=68 Exploring Operation: 57-27=30, Resulting Numbers: [11, 30] Generated Node #0,2,2: 57:[11, 30] Operation: 57-27=30 Exploring Operation: 27+11=38, Resulting Numbers: [57, 38] Generated Node #0,2,3: 57:[57, 38] Operation: 27+11=38 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 57:[57, 16], Operations: ['39+18=57', '27-11=16'] Exploring Operation: 57*16=912, Resulting Numbers: [912] 912,57 unequal: No Solution Exploring Operation: 57+16=73, Resulting Numbers: [73] 73,57 unequal: No Solution Exploring Operation: 57-16=41, Resulting Numbers: [41] 41,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 57:[27, 68], Operations: ['39+18=57', '11+57=68'] Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,57 unequal: No Solution Exploring Operation: 27*68=1836, Resulting Numbers: [1836] 1836,57 unequal: No Solution Exploring Operation: 27+68=95, Resulting Numbers: [95] 95,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 57:[11, 30], Operations: ['39+18=57', '57-27=30'] Exploring Operation: 11*30=330, Resulting Numbers: [330] 330,57 unequal: No Solution Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,57 unequal: No Solution Exploring Operation: 11+30=41, Resulting Numbers: [41] 41,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 57:[57, 38], Operations: ['39+18=57', '27+11=38'] Exploring Operation: 57*38=2166, Resulting Numbers: [2166] 2166,57 unequal: No Solution Exploring Operation: 57+38=95, Resulting Numbers: [95] 95,57 unequal: No Solution Exploring Operation: 57-38=19, Resulting Numbers: [19] 19,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 57:[18, 11, 12], Operations: ['39-27=12'] Exploring Operation: 18-11=7, Resulting Numbers: [12, 7] Generated Node #0,3,0: 57:[12, 7] Operation: 18-11=7 Exploring Operation: 18-12=6, Resulting Numbers: [11, 6] Generated Node #0,3,1: 57:[11, 6] Operation: 18-12=6 Exploring Operation: 12-11=1, Resulting Numbers: [18, 1] Generated Node #0,3,2: 57:[18, 1] Operation: 12-11=1 Exploring Operation: 11+12=23, Resulting Numbers: [18, 23] Generated Node #0,3,3: 57:[18, 23] Operation: 11+12=23 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 57:[18, 1], Operations: ['39-27=12', '12-11=1'] Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,57 unequal: No Solution Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,57 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,57 unequal: No Solution Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 57:[18, 23], Operations: ['39-27=12', '11+12=23'] Exploring Operation: 18*23=414, Resulting Numbers: [414] 414,57 unequal: No Solution Exploring Operation: 23-18=5, Resulting Numbers: [5] 5,57 unequal: No Solution Exploring Operation: 18+23=41, Resulting Numbers: [41] 41,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 57:[12, 7], Operations: ['39-27=12', '18-11=7'] Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,57 unequal: No Solution Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,57 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 57:[11, 6], Operations: ['39-27=12', '18-12=6'] Exploring Operation: 11*6=66, Resulting Numbers: [66] 66,57 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,57 unequal: No Solution Exploring Operation: 11+6=17, Resulting Numbers: [17] 17,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[18, 11, 66], Operations: ['39+27=66'] Exploring Operation: 66/11=6, Resulting Numbers: [18, 6] Generated Node #0,1,0: 57:[18, 6] Operation: 66/11=6 Exploring Operation: 66-18=48, Resulting Numbers: [11, 48] Generated Node #0,1,1: 57:[11, 48] Operation: 66-18=48 Exploring Operation: 18-11=7, Resulting Numbers: [66, 7] Generated Node #0,1,2: 57:[66, 7] Operation: 18-11=7 Exploring Operation: 66-11=55, Resulting Numbers: [18, 55] Generated Node #0,1,3: 57:[18, 55] Operation: 66-11=55 Moving to Node #0,1,3 Current State: 57:[18, 55], Operations: ['39+27=66', '66-11=55'] Exploring Operation: 55-18=37, Resulting Numbers: [37] 37,57 unequal: No Solution Exploring Operation: 18+55=73, Resulting Numbers: [73] 73,57 unequal: No Solution Exploring Operation: 18*55=990, Resulting Numbers: [990] 990,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[18, 6], Operations: ['39+27=66', '66/11=6'] Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,57 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 18*6=108, Resulting Numbers: [108] 108,57 unequal: No Solution Moving to Node #0,1,2 Current State: 57:[66, 7], Operations: ['39+27=66', '18-11=7'] Exploring Operation: 66*7=462, Resulting Numbers: [462] 462,57 unequal: No Solution Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,57 unequal: No Solution Exploring Operation: 66+7=73, Resulting Numbers: [73] 73,57 unequal: No Solution Moving to Node #0,1,1 Current State: 57:[11, 48], Operations: ['39+27=66', '66-18=48'] Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,57 unequal: No Solution Exploring Operation: 11*48=528, Resulting Numbers: [528] 528,57 unequal: No Solution Exploring Operation: 11+48=59, Resulting Numbers: [59] 59,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 91, 32, 33, 34 ]
25
[ "34-32=2", "33*2=66", "91-66=25" ]
Current State: 25:[91, 32, 33, 34], Operations: [] Exploring Operation: 34-32=2, Resulting Numbers: [91, 33, 2] Generated Node #2: [91, 33, 2] from Operation: 34-32=2 Current State: 25:[91, 33, 2], Operations: ['34-32=2'] Exploring Operation: 33*2=66, Resulting Numbers: [91, 66] Generated Node #3: [91, 66] from Operation: 33*2=66 Current State: 25:[91, 66], Operations: ['34-32=2', '33*2=66'] Exploring Operation: 91-66=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[91, 32, 33, 34], Operations: [] Exploring Operation: 91-33=58, Resulting Numbers: [32, 34, 58] Generated Node #0,0: 25:[32, 34, 58] Operation: 91-33=58 Exploring Operation: 34-32=2, Resulting Numbers: [91, 33, 2] Generated Node #0,1: 25:[91, 33, 2] Operation: 34-32=2 Exploring Operation: 91-32=59, Resulting Numbers: [33, 34, 59] Generated Node #0,2: 25:[33, 34, 59] Operation: 91-32=59 Exploring Operation: 91-34=57, Resulting Numbers: [32, 33, 57] Generated Node #0,3: 25:[32, 33, 57] Operation: 91-34=57 Moving to Node #0,3 Current State: 25:[32, 33, 57], Operations: ['91-34=57'] Exploring Operation: 33-32=1, Resulting Numbers: [57, 1] Generated Node #0,3,0: 25:[57, 1] Operation: 33-32=1 Exploring Operation: 32+33=65, Resulting Numbers: [57, 65] Generated Node #0,3,1: 25:[57, 65] Operation: 32+33=65 Exploring Operation: 57-33=24, Resulting Numbers: [32, 24] Generated Node #0,3,2: 25:[32, 24] Operation: 57-33=24 Exploring Operation: 57-32=25, Resulting Numbers: [33, 25] Generated Node #0,3,3: 25:[33, 25] Operation: 57-32=25 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 25:[32, 24], Operations: ['91-34=57', '57-33=24'] Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 32+24=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 32*24=768, Resulting Numbers: [768] 768,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 25:[33, 25], Operations: ['91-34=57', '57-32=25'] Exploring Operation: 33*25=825, Resulting Numbers: [825] 825,25 unequal: No Solution Exploring Operation: 33+25=58, Resulting Numbers: [58] 58,25 unequal: No Solution Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 25:[57, 1], Operations: ['91-34=57', '33-32=1'] Exploring Operation: 57+1=58, Resulting Numbers: [58] 58,25 unequal: No Solution Exploring Operation: 57*1=57, Resulting Numbers: [57] 57,25 unequal: No Solution Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 25:[57, 65], Operations: ['91-34=57', '32+33=65'] Exploring Operation: 57+65=122, Resulting Numbers: [122] 122,25 unequal: No Solution Exploring Operation: 65-57=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 57*65=3705, Resulting Numbers: [3705] 3705,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 25:[32, 34, 58], Operations: ['91-33=58'] Exploring Operation: 34-32=2, Resulting Numbers: [58, 2] Generated Node #0,0,0: 25:[58, 2] Operation: 34-32=2 Exploring Operation: 32+34=66, Resulting Numbers: [58, 66] Generated Node #0,0,1: 25:[58, 66] Operation: 32+34=66 Exploring Operation: 58-32=26, Resulting Numbers: [34, 26] Generated Node #0,0,2: 25:[34, 26] Operation: 58-32=26 Exploring Operation: 58-34=24, Resulting Numbers: [32, 24] Generated Node #0,0,3: 25:[32, 24] Operation: 58-34=24 Moving to Node #0,2 Current State: 25:[33, 34, 59], Operations: ['91-32=59'] Exploring Operation: 59-34=25, Resulting Numbers: [33, 25] Generated Node #0,2,0: 25:[33, 25] Operation: 59-34=25 Exploring Operation: 33+34=67, Resulting Numbers: [59, 67] Generated Node #0,2,1: 25:[59, 67] Operation: 33+34=67 Exploring Operation: 59-33=26, Resulting Numbers: [34, 26] Generated Node #0,2,2: 25:[34, 26] Operation: 59-33=26 Exploring Operation: 34-33=1, Resulting Numbers: [59, 1] Generated Node #0,2,3: 25:[59, 1] Operation: 34-33=1 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 25:[33, 25], Operations: ['91-32=59', '59-34=25'] Exploring Operation: 33+25=58, Resulting Numbers: [58] 58,25 unequal: No Solution Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 33*25=825, Resulting Numbers: [825] 825,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 25:[34, 26], Operations: ['91-32=59', '59-33=26'] Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 34+26=60, Resulting Numbers: [60] 60,25 unequal: No Solution Exploring Operation: 34*26=884, Resulting Numbers: [884] 884,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 25:[59, 1], Operations: ['91-32=59', '34-33=1'] Exploring Operation: 59/1=59, Resulting Numbers: [59] 59,25 unequal: No Solution Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,25 unequal: No Solution Exploring Operation: 59*1=59, Resulting Numbers: [59] 59,25 unequal: No Solution Exploring Operation: 59+1=60, Resulting Numbers: [60] 60,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 25:[59, 67], Operations: ['91-32=59', '33+34=67'] Exploring Operation: 59*67=3953, Resulting Numbers: [3953] 3953,25 unequal: No Solution Exploring Operation: 67-59=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 59+67=126, Resulting Numbers: [126] 126,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 25:[91, 33, 2], Operations: ['34-32=2'] Exploring Operation: 91-2=89, Resulting Numbers: [33, 89] Generated Node #0,1,0: 25:[33, 89] Operation: 91-2=89 Exploring Operation: 91-33=58, Resulting Numbers: [2, 58] Generated Node #0,1,1: 25:[2, 58] Operation: 91-33=58 Exploring Operation: 91+2=93, Resulting Numbers: [33, 93] Generated Node #0,1,2: 25:[33, 93] Operation: 91+2=93 Exploring Operation: 33-2=31, Resulting Numbers: [91, 31] Generated Node #0,1,3: 25:[91, 31] Operation: 33-2=31 Moving to Node #0,0,3 Current State: 25:[32, 24], Operations: ['91-33=58', '58-34=24'] Exploring Operation: 32+24=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 32*24=768, Resulting Numbers: [768] 768,25 unequal: No Solution Moving to Node #0,0,2 Current State: 25:[34, 26], Operations: ['91-33=58', '58-32=26'] Exploring Operation: 34*26=884, Resulting Numbers: [884] 884,25 unequal: No Solution Exploring Operation: 34+26=60, Resulting Numbers: [60] 60,25 unequal: No Solution Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,25 unequal: No Solution Moving to Node #0,0,0 Current State: 25:[58, 2], Operations: ['91-33=58', '34-32=2'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,25 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,25 unequal: No Solution Exploring Operation: 58*2=116, Resulting Numbers: [116] 116,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[2, 58], Operations: ['34-32=2', '91-33=58'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,25 unequal: No Solution Exploring Operation: 2+58=60, Resulting Numbers: [60] 60,25 unequal: No Solution Exploring Operation: 2*58=116, Resulting Numbers: [116] 116,25 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[33, 89], Operations: ['34-32=2', '91-2=89'] Exploring Operation: 33*89=2937, Resulting Numbers: [2937] 2937,25 unequal: No Solution Exploring Operation: 89-33=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 33+89=122, Resulting Numbers: [122] 122,25 unequal: No Solution Moving to Node #0,1,3 Current State: 25:[91, 31], Operations: ['34-32=2', '33-2=31'] Exploring Operation: 91*31=2821, Resulting Numbers: [2821] 2821,25 unequal: No Solution Exploring Operation: 91+31=122, Resulting Numbers: [122] 122,25 unequal: No Solution Exploring Operation: 91-31=60, Resulting Numbers: [60] 60,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[58, 66], Operations: ['91-33=58', '32+34=66'] Exploring Operation: 58*66=3828, Resulting Numbers: [3828] 3828,25 unequal: No Solution Exploring Operation: 58+66=124, Resulting Numbers: [124] 124,25 unequal: No Solution Exploring Operation: 66-58=8, Resulting Numbers: [8] 8,25 unequal: No Solution Moving to Node #0,1,2 Current State: 25:[33, 93], Operations: ['34-32=2', '91+2=93'] Exploring Operation: 93-33=60, Resulting Numbers: [60] 60,25 unequal: No Solution Exploring Operation: 33+93=126, Resulting Numbers: [126] 126,25 unequal: No Solution Exploring Operation: 33*93=3069, Resulting Numbers: [3069] 3069,25 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 99, 4, 12, 6 ]
45
[ "99-6=93", "4*12=48", "93-48=45" ]
Current State: 45:[99, 4, 12, 6], Operations: [] Exploring Operation: 99-6=93, Resulting Numbers: [4, 12, 93] Generated Node #2: [4, 12, 93] from Operation: 99-6=93 Current State: 45:[4, 12, 93], Operations: ['99-6=93'] Exploring Operation: 4*12=48, Resulting Numbers: [93, 48] Generated Node #3: [93, 48] from Operation: 4*12=48 Current State: 45:[93, 48], Operations: ['99-6=93', '4*12=48'] Exploring Operation: 93-48=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[99, 4, 12, 6], Operations: [] Exploring Operation: 99-12=87, Resulting Numbers: [4, 6, 87] Generated Node #0,0: 45:[4, 6, 87] Operation: 99-12=87 Moving to Node #0,0 Current State: 45:[4, 6, 87], Operations: ['99-12=87'] Exploring Operation: 87-6=81, Resulting Numbers: [4, 81] Generated Node #0,0,0: 45:[4, 81] Operation: 87-6=81 Moving to Node #0,0,0 Current State: 45:[4, 81], Operations: ['99-12=87', '87-6=81'] Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,45 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 51, 71, 92, 28 ]
75
[ "51-28=23", "92/23=4", "71+4=75" ]
Current State: 75:[51, 71, 92, 28], Operations: [] Exploring Operation: 51-28=23, Resulting Numbers: [71, 92, 23] Generated Node #2: [71, 92, 23] from Operation: 51-28=23 Current State: 75:[71, 92, 23], Operations: ['51-28=23'] Exploring Operation: 92/23=4, Resulting Numbers: [71, 4] Generated Node #3: [71, 4] from Operation: 92/23=4 Current State: 75:[71, 4], Operations: ['51-28=23', '92/23=4'] Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[51, 71, 92, 28], Operations: [] Exploring Operation: 92-51=41, Resulting Numbers: [71, 28, 41] Generated Node #0,0: 75:[71, 28, 41] Operation: 92-51=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[71, 28, 41], Operations: ['92-51=41'] Exploring Operation: 41-28=13, Resulting Numbers: [71, 13] Generated Node #0,0,0: 75:[71, 13] Operation: 41-28=13 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[71, 13], Operations: ['92-51=41', '41-28=13'] Exploring Operation: 71+13=84, Resulting Numbers: [84] 84,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 38, 60, 6, 31 ]
73
[ "38+60=98", "31-6=25", "98-25=73" ]
Current State: 73:[38, 60, 6, 31], Operations: [] Exploring Operation: 38+60=98, Resulting Numbers: [6, 31, 98] Generated Node #2: [6, 31, 98] from Operation: 38+60=98 Current State: 73:[6, 31, 98], Operations: ['38+60=98'] Exploring Operation: 31-6=25, Resulting Numbers: [98, 25] Generated Node #3: [98, 25] from Operation: 31-6=25 Current State: 73:[98, 25], Operations: ['38+60=98', '31-6=25'] Exploring Operation: 98-25=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[38, 60, 6, 31], Operations: [] Exploring Operation: 38+6=44, Resulting Numbers: [60, 31, 44] Generated Node #0,0: 73:[60, 31, 44] Operation: 38+6=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[60, 31, 44], Operations: ['38+6=44'] Exploring Operation: 31+44=75, Resulting Numbers: [60, 75] Generated Node #0,0,0: 73:[60, 75] Operation: 31+44=75 Moving to Node #0,0,0 Current State: 73:[60, 75], Operations: ['38+6=44', '31+44=75'] Exploring Operation: 75-60=15, Resulting Numbers: [15] 15,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 10, 10, 18, 27 ]
80
[ "27-18=9", "10*9=90", "90-10=80" ]
Current State: 80:[10, 10, 18, 27], Operations: [] Exploring Operation: 27-18=9, Resulting Numbers: [10, 10, 9] Generated Node #2: [10, 10, 9] from Operation: 27-18=9 Current State: 80:[10, 10, 9], Operations: ['27-18=9'] Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,80 equal: Goal Reached Exploring Operation: 90-10=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[10, 10, 18, 27], Operations: [] Exploring Operation: 27-18=9, Resulting Numbers: [10, 10, 9] Generated Node #0,0: 80:[10, 10, 9] Operation: 27-18=9 Moving to Node #0,0 Current State: 80:[10, 10, 9], Operations: ['27-18=9'] Exploring Operation: 10+10=20, Resulting Numbers: [9, 20] Generated Node #0,0,0: 80:[9, 20] Operation: 10+10=20 Moving to Node #0,0,0 Current State: 80:[9, 20], Operations: ['27-18=9', '10+10=20'] Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,80 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 71, 4, 95, 60 ]
69
[ "95-60=35", "4*35=140", "140-71=69" ]
Current State: 69:[71, 4, 95, 60], Operations: [] Exploring Operation: 95-60=35, Resulting Numbers: [71, 4, 35] Generated Node #2: [71, 4, 35] from Operation: 95-60=35 Current State: 69:[71, 4, 35], Operations: ['95-60=35'] Exploring Operation: 4*35=140, Resulting Numbers: [71, 140] Generated Node #3: [71, 140] from Operation: 4*35=140 Current State: 69:[71, 140], Operations: ['95-60=35', '4*35=140'] Exploring Operation: 140-71=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[71, 4, 95, 60], Operations: [] Exploring Operation: 95-71=24, Resulting Numbers: [4, 60, 24] Generated Node #0,0: 69:[4, 60, 24] Operation: 95-71=24 Exploring Operation: 95-60=35, Resulting Numbers: [71, 4, 35] Generated Node #0,1: 69:[71, 4, 35] Operation: 95-60=35 Exploring Operation: 95-4=91, Resulting Numbers: [71, 60, 91] Generated Node #0,2: 69:[71, 60, 91] Operation: 95-4=91 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[4, 60, 24], Operations: ['95-71=24'] Exploring Operation: 4+60=64, Resulting Numbers: [24, 64] Generated Node #0,0,0: 69:[24, 64] Operation: 4+60=64 Exploring Operation: 60/4=15, Resulting Numbers: [24, 15] Generated Node #0,0,1: 69:[24, 15] Operation: 60/4=15 Exploring Operation: 24-4=20, Resulting Numbers: [60, 20] Generated Node #0,0,2: 69:[60, 20] Operation: 24-4=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[24, 64], Operations: ['95-71=24', '4+60=64'] Exploring Operation: 24+64=88, Resulting Numbers: [88] 88,69 unequal: No Solution Exploring Operation: 64-24=40, Resulting Numbers: [40] 40,69 unequal: No Solution Exploring Operation: 24*64=1536, Resulting Numbers: [1536] 1536,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 69:[24, 15], Operations: ['95-71=24', '60/4=15'] Exploring Operation: 24+15=39, Resulting Numbers: [39] 39,69 unequal: No Solution Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 24*15=360, Resulting Numbers: [360] 360,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 69:[60, 20], Operations: ['95-71=24', '24-4=20'] Exploring Operation: 60+20=80, Resulting Numbers: [80] 80,69 unequal: No Solution Exploring Operation: 60/20=3, Resulting Numbers: [3] 3,69 unequal: No Solution Exploring Operation: 60-20=40, Resulting Numbers: [40] 40,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[71, 4, 35], Operations: ['95-60=35'] Exploring Operation: 35-4=31, Resulting Numbers: [71, 31] Generated Node #0,1,0: 69:[71, 31] Operation: 35-4=31 Exploring Operation: 71-35=36, Resulting Numbers: [4, 36] Generated Node #0,1,1: 69:[4, 36] Operation: 71-35=36 Exploring Operation: 71-4=67, Resulting Numbers: [35, 67] Generated Node #0,1,2: 69:[35, 67] Operation: 71-4=67 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 69:[71, 31], Operations: ['95-60=35', '35-4=31'] Exploring Operation: 71*31=2201, Resulting Numbers: [2201] 2201,69 unequal: No Solution Exploring Operation: 71-31=40, Resulting Numbers: [40] 40,69 unequal: No Solution Exploring Operation: 71+31=102, Resulting Numbers: [102] 102,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 69:[4, 36], Operations: ['95-60=35', '71-35=36'] Exploring Operation: 4+36=40, Resulting Numbers: [40] 40,69 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 69:[35, 67], Operations: ['95-60=35', '71-4=67'] Exploring Operation: 35+67=102, Resulting Numbers: [102] 102,69 unequal: No Solution Exploring Operation: 35*67=2345, Resulting Numbers: [2345] 2345,69 unequal: No Solution Exploring Operation: 67-35=32, Resulting Numbers: [32] 32,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 69:[71, 60, 91], Operations: ['95-4=91'] Exploring Operation: 71-60=11, Resulting Numbers: [91, 11] Generated Node #0,2,0: 69:[91, 11] Operation: 71-60=11 Exploring Operation: 91-60=31, Resulting Numbers: [71, 31] Generated Node #0,2,1: 69:[71, 31] Operation: 91-60=31 Exploring Operation: 91-71=20, Resulting Numbers: [60, 20] Generated Node #0,2,2: 69:[60, 20] Operation: 91-71=20 Moving to Node #0,2,1 Current State: 69:[71, 31], Operations: ['95-4=91', '91-60=31'] Exploring Operation: 71+31=102, Resulting Numbers: [102] 102,69 unequal: No Solution Exploring Operation: 71*31=2201, Resulting Numbers: [2201] 2201,69 unequal: No Solution Exploring Operation: 71-31=40, Resulting Numbers: [40] 40,69 unequal: No Solution Moving to Node #0,2,2 Current State: 69:[60, 20], Operations: ['95-4=91', '91-71=20'] Exploring Operation: 60-20=40, Resulting Numbers: [40] 40,69 unequal: No Solution Exploring Operation: 60/20=3, Resulting Numbers: [3] 3,69 unequal: No Solution Exploring Operation: 60+20=80, Resulting Numbers: [80] 80,69 unequal: No Solution Moving to Node #0,2,0 Current State: 69:[91, 11], Operations: ['95-4=91', '71-60=11'] Exploring Operation: 91*11=1001, Resulting Numbers: [1001] 1001,69 unequal: No Solution Exploring Operation: 91-11=80, Resulting Numbers: [80] 80,69 unequal: No Solution Exploring Operation: 91+11=102, Resulting Numbers: [102] 102,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 76, 29, 19, 35 ]
57
[ "76+29=105", "19*105=1995", "1995/35=57" ]
Current State: 57:[76, 29, 19, 35], Operations: [] Exploring Operation: 76+29=105, Resulting Numbers: [19, 35, 105] Generated Node #2: [19, 35, 105] from Operation: 76+29=105 Current State: 57:[19, 35, 105], Operations: ['76+29=105'] Exploring Operation: 19*105=1995, Resulting Numbers: [35, 1995] Generated Node #3: [35, 1995] from Operation: 19*105=1995 Current State: 57:[35, 1995], Operations: ['76+29=105', '19*105=1995'] Exploring Operation: 1995/35=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[76, 29, 19, 35], Operations: [] Exploring Operation: 35-29=6, Resulting Numbers: [76, 19, 6] Generated Node #0,0: 57:[76, 19, 6] Operation: 35-29=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[76, 19, 6], Operations: ['35-29=6'] Exploring Operation: 76-19=57, Resulting Numbers: [6, 57] Generated Node #0,0,0: 57:[6, 57] Operation: 76-19=57 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 57:[6, 57], Operations: ['35-29=6', '76-19=57'] Exploring Operation: 6+57=63, Resulting Numbers: [63] 63,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 49, 90, 78, 35 ]
48
[ "49*90=4410", "4410/35=126", "126-78=48" ]
Current State: 48:[49, 90, 78, 35], Operations: [] Exploring Operation: 49*90=4410, Resulting Numbers: [78, 35, 4410] Generated Node #2: [78, 35, 4410] from Operation: 49*90=4410 Current State: 48:[78, 35, 4410], Operations: ['49*90=4410'] Exploring Operation: 4410/35=126, Resulting Numbers: [78, 126] Generated Node #3: [78, 126] from Operation: 4410/35=126 Current State: 48:[78, 126], Operations: ['49*90=4410', '4410/35=126'] Exploring Operation: 126-78=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[49, 90, 78, 35], Operations: [] Exploring Operation: 78-35=43, Resulting Numbers: [49, 90, 43] Generated Node #0,0: 48:[49, 90, 43] Operation: 78-35=43 Exploring Operation: 90-49=41, Resulting Numbers: [78, 35, 41] Generated Node #0,1: 48:[78, 35, 41] Operation: 90-49=41 Exploring Operation: 78-49=29, Resulting Numbers: [90, 35, 29] Generated Node #0,2: 48:[90, 35, 29] Operation: 78-49=29 Exploring Operation: 90-78=12, Resulting Numbers: [49, 35, 12] Generated Node #0,3: 48:[49, 35, 12] Operation: 90-78=12 Exploring Operation: 90-35=55, Resulting Numbers: [49, 78, 55] Generated Node #0,4: 48:[49, 78, 55] Operation: 90-35=55 Moving to Node #0,3 Current State: 48:[49, 35, 12], Operations: ['90-78=12'] Exploring Operation: 35-12=23, Resulting Numbers: [49, 23] Generated Node #0,3,0: 48:[49, 23] Operation: 35-12=23 Exploring Operation: 35+12=47, Resulting Numbers: [49, 47] Generated Node #0,3,1: 48:[49, 47] Operation: 35+12=47 Exploring Operation: 49+12=61, Resulting Numbers: [35, 61] Generated Node #0,3,2: 48:[35, 61] Operation: 49+12=61 Exploring Operation: 49-35=14, Resulting Numbers: [12, 14] Generated Node #0,3,3: 48:[12, 14] Operation: 49-35=14 Exploring Operation: 49-12=37, Resulting Numbers: [35, 37] Generated Node #0,3,4: 48:[35, 37] Operation: 49-12=37 Moving to Node #0,4 Current State: 48:[49, 78, 55], Operations: ['90-35=55'] Exploring Operation: 49+55=104, Resulting Numbers: [78, 104] Generated Node #0,4,0: 48:[78, 104] Operation: 49+55=104 Exploring Operation: 55-49=6, Resulting Numbers: [78, 6] Generated Node #0,4,1: 48:[78, 6] Operation: 55-49=6 Exploring Operation: 78-55=23, Resulting Numbers: [49, 23] Generated Node #0,4,2: 48:[49, 23] Operation: 78-55=23 Exploring Operation: 78-49=29, Resulting Numbers: [55, 29] Generated Node #0,4,3: 48:[55, 29] Operation: 78-49=29 Exploring Operation: 49+78=127, Resulting Numbers: [55, 127] Generated Node #0,4,4: 48:[55, 127] Operation: 49+78=127 Moving to Node #0,0 Current State: 48:[49, 90, 43], Operations: ['78-35=43'] Exploring Operation: 90-49=41, Resulting Numbers: [43, 41] Generated Node #0,0,0: 48:[43, 41] Operation: 90-49=41 Exploring Operation: 90+43=133, Resulting Numbers: [49, 133] Generated Node #0,0,1: 48:[49, 133] Operation: 90+43=133 Exploring Operation: 49+43=92, Resulting Numbers: [90, 92] Generated Node #0,0,2: 48:[90, 92] Operation: 49+43=92 Exploring Operation: 49-43=6, Resulting Numbers: [90, 6] Generated Node #0,0,3: 48:[90, 6] Operation: 49-43=6 Exploring Operation: 90-43=47, Resulting Numbers: [49, 47] Generated Node #0,0,4: 48:[49, 47] Operation: 90-43=47 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 48:[49, 47], Operations: ['78-35=43', '90-43=47'] Exploring Operation: 49+47=96, Resulting Numbers: [96] 96,48 unequal: No Solution Exploring Operation: 49-47=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 49*47=2303, Resulting Numbers: [2303] 2303,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[43, 41], Operations: ['78-35=43', '90-49=41'] Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 43*41=1763, Resulting Numbers: [1763] 1763,48 unequal: No Solution Exploring Operation: 43+41=84, Resulting Numbers: [84] 84,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 48:[90, 6], Operations: ['78-35=43', '49-43=6'] Exploring Operation: 90-6=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 90*6=540, Resulting Numbers: [540] 540,48 unequal: No Solution Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,48 unequal: No Solution Exploring Operation: 90+6=96, Resulting Numbers: [96] 96,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 48:[49, 133], Operations: ['78-35=43', '90+43=133'] Exploring Operation: 49+133=182, Resulting Numbers: [182] 182,48 unequal: No Solution Exploring Operation: 49*133=6517, Resulting Numbers: [6517] 6517,48 unequal: No Solution Exploring Operation: 133-49=84, Resulting Numbers: [84] 84,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 48:[90, 92], Operations: ['78-35=43', '49+43=92'] Exploring Operation: 92-90=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 90*92=8280, Resulting Numbers: [8280] 8280,48 unequal: No Solution Exploring Operation: 90+92=182, Resulting Numbers: [182] 182,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 48:[78, 35, 41], Operations: ['90-49=41'] Exploring Operation: 35+41=76, Resulting Numbers: [78, 76] Generated Node #0,1,0: 48:[78, 76] Operation: 35+41=76 Exploring Operation: 78-35=43, Resulting Numbers: [41, 43] Generated Node #0,1,1: 48:[41, 43] Operation: 78-35=43 Exploring Operation: 41-35=6, Resulting Numbers: [78, 6] Generated Node #0,1,2: 48:[78, 6] Operation: 41-35=6 Exploring Operation: 78+35=113, Resulting Numbers: [41, 113] Generated Node #0,1,3: 48:[41, 113] Operation: 78+35=113 Exploring Operation: 78-41=37, Resulting Numbers: [35, 37] Generated Node #0,1,4: 48:[35, 37] Operation: 78-41=37 Moving to Node #0,2 Current State: 48:[90, 35, 29], Operations: ['78-49=29'] Exploring Operation: 90-29=61, Resulting Numbers: [35, 61] Generated Node #0,2,0: 48:[35, 61] Operation: 90-29=61 Exploring Operation: 35+29=64, Resulting Numbers: [90, 64] Generated Node #0,2,1: 48:[90, 64] Operation: 35+29=64 Exploring Operation: 90-35=55, Resulting Numbers: [29, 55] Generated Node #0,2,2: 48:[29, 55] Operation: 90-35=55 Exploring Operation: 90+35=125, Resulting Numbers: [29, 125] Generated Node #0,2,3: 48:[29, 125] Operation: 90+35=125 Exploring Operation: 35-29=6, Resulting Numbers: [90, 6] Generated Node #0,2,4: 48:[90, 6] Operation: 35-29=6 Moving to Node #0,3,0 Current State: 48:[49, 23], Operations: ['90-78=12', '35-12=23'] Exploring Operation: 49+23=72, Resulting Numbers: [72] 72,48 unequal: No Solution Exploring Operation: 49*23=1127, Resulting Numbers: [1127] 1127,48 unequal: No Solution Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,48 unequal: No Solution Moving to Node #0,3,3 Current State: 48:[12, 14], Operations: ['90-78=12', '49-35=14'] Exploring Operation: 12*14=168, Resulting Numbers: [168] 168,48 unequal: No Solution Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,48 unequal: No Solution Moving to Node #0,4,2 Current State: 48:[49, 23], Operations: ['90-35=55', '78-55=23'] Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,48 unequal: No Solution Exploring Operation: 49*23=1127, Resulting Numbers: [1127] 1127,48 unequal: No Solution Exploring Operation: 49+23=72, Resulting Numbers: [72] 72,48 unequal: No Solution Moving to Node #0,3,1 Current State: 48:[49, 47], Operations: ['90-78=12', '35+12=47'] Exploring Operation: 49+47=96, Resulting Numbers: [96] 96,48 unequal: No Solution Exploring Operation: 49*47=2303, Resulting Numbers: [2303] 2303,48 unequal: No Solution Exploring Operation: 49-47=2, Resulting Numbers: [2] 2,48 unequal: No Solution Moving to Node #0,4,3 Current State: 48:[55, 29], Operations: ['90-35=55', '78-49=29'] Exploring Operation: 55+29=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 55*29=1595, Resulting Numbers: [1595] 1595,48 unequal: No Solution Exploring Operation: 55-29=26, Resulting Numbers: [26] 26,48 unequal: No Solution Moving to Node #0,1,1 Current State: 48:[41, 43], Operations: ['90-49=41', '78-35=43'] Exploring Operation: 41+43=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 41*43=1763, Resulting Numbers: [1763] 1763,48 unequal: No Solution Moving to Node #0,2,2 Current State: 48:[29, 55], Operations: ['78-49=29', '90-35=55'] Exploring Operation: 29+55=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 29*55=1595, Resulting Numbers: [1595] 1595,48 unequal: No Solution Exploring Operation: 55-29=26, Resulting Numbers: [26] 26,48 unequal: No Solution Moving to Node #0,1,4 Current State: 48:[35, 37], Operations: ['90-49=41', '78-41=37'] Exploring Operation: 37-35=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 35+37=72, Resulting Numbers: [72] 72,48 unequal: No Solution Exploring Operation: 35*37=1295, Resulting Numbers: [1295] 1295,48 unequal: No Solution Moving to Node #0,3,4 Current State: 48:[35, 37], Operations: ['90-78=12', '49-12=37'] Exploring Operation: 35+37=72, Resulting Numbers: [72] 72,48 unequal: No Solution Exploring Operation: 37-35=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 35*37=1295, Resulting Numbers: [1295] 1295,48 unequal: No Solution Moving to Node #0,2,0 Current State: 48:[35, 61], Operations: ['78-49=29', '90-29=61'] Exploring Operation: 61-35=26, Resulting Numbers: [26] 26,48 unequal: No Solution Exploring Operation: 35+61=96, Resulting Numbers: [96] 96,48 unequal: No Solution Exploring Operation: 35*61=2135, Resulting Numbers: [2135] 2135,48 unequal: No Solution Moving to Node #0,3,2 Current State: 48:[35, 61], Operations: ['90-78=12', '49+12=61'] Exploring Operation: 61-35=26, Resulting Numbers: [26] 26,48 unequal: No Solution Exploring Operation: 35*61=2135, Resulting Numbers: [2135] 2135,48 unequal: No Solution Exploring Operation: 35+61=96, Resulting Numbers: [96] 96,48 unequal: No Solution Moving to Node #0,1,2 Current State: 48:[78, 6], Operations: ['90-49=41', '41-35=6'] Exploring Operation: 78*6=468, Resulting Numbers: [468] 468,48 unequal: No Solution Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,48 unequal: No Solution Exploring Operation: 78/6=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 78+6=84, Resulting Numbers: [84] 84,48 unequal: No Solution Moving to Node #0,4,1 Current State: 48:[78, 6], Operations: ['90-35=55', '55-49=6'] Exploring Operation: 78+6=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 78/6=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,48 unequal: No Solution Exploring Operation: 78*6=468, Resulting Numbers: [468] 468,48 unequal: No Solution Moving to Node #0,2,4 Current State: 48:[90, 6], Operations: ['78-49=29', '35-29=6'] Exploring Operation: 90+6=96, Resulting Numbers: [96] 96,48 unequal: No Solution Exploring Operation: 90-6=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,48 unequal: No Solution Exploring Operation: 90*6=540, Resulting Numbers: [540] 540,48 unequal: No Solution Moving to Node #0,1,0 Current State: 48:[78, 76], Operations: ['90-49=41', '35+41=76'] Exploring Operation: 78-76=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 78+76=154, Resulting Numbers: [154] 154,48 unequal: No Solution Exploring Operation: 78*76=5928, Resulting Numbers: [5928] 5928,48 unequal: No Solution Moving to Node #0,2,1 Current State: 48:[90, 64], Operations: ['78-49=29', '35+29=64'] Exploring Operation: 90+64=154, Resulting Numbers: [154] 154,48 unequal: No Solution Exploring Operation: 90*64=5760, Resulting Numbers: [5760] 5760,48 unequal: No Solution Exploring Operation: 90-64=26, Resulting Numbers: [26] 26,48 unequal: No Solution Moving to Node #0,1,3 Current State: 48:[41, 113], Operations: ['90-49=41', '78+35=113'] Exploring Operation: 41+113=154, Resulting Numbers: [154] 154,48 unequal: No Solution Exploring Operation: 41*113=4633, Resulting Numbers: [4633] 4633,48 unequal: No Solution Exploring Operation: 113-41=72, Resulting Numbers: [72] 72,48 unequal: No Solution Moving to Node #0,2,3 Current State: 48:[29, 125], Operations: ['78-49=29', '90+35=125'] Exploring Operation: 125-29=96, Resulting Numbers: [96] 96,48 unequal: No Solution Exploring Operation: 29*125=3625, Resulting Numbers: [3625] 3625,48 unequal: No Solution Exploring Operation: 29+125=154, Resulting Numbers: [154] 154,48 unequal: No Solution Moving to Node #0,4,4 Current State: 48:[55, 127], Operations: ['90-35=55', '49+78=127'] Exploring Operation: 127-55=72, Resulting Numbers: [72] 72,48 unequal: No Solution Exploring Operation: 55+127=182, Resulting Numbers: [182] 182,48 unequal: No Solution Exploring Operation: 55*127=6985, Resulting Numbers: [6985] 6985,48 unequal: No Solution Moving to Node #0,4,0 Current State: 48:[78, 104], Operations: ['90-35=55', '49+55=104'] Exploring Operation: 104-78=26, Resulting Numbers: [26] 26,48 unequal: No Solution Exploring Operation: 78+104=182, Resulting Numbers: [182] 182,48 unequal: No Solution Exploring Operation: 78*104=8112, Resulting Numbers: [8112] 8112,48 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 23, 4, 96, 93 ]
30
[ "23+4=27", "96-93=3", "27+3=30" ]
Current State: 30:[23, 4, 96, 93], Operations: [] Exploring Operation: 23+4=27, Resulting Numbers: [96, 93, 27] Generated Node #2: [96, 93, 27] from Operation: 23+4=27 Current State: 30:[96, 93, 27], Operations: ['23+4=27'] Exploring Operation: 96-93=3, Resulting Numbers: [27, 3] Generated Node #3: [27, 3] from Operation: 96-93=3 Current State: 30:[27, 3], Operations: ['23+4=27', '96-93=3'] Exploring Operation: 27+3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[23, 4, 96, 93], Operations: [] Exploring Operation: 96-93=3, Resulting Numbers: [23, 4, 3] Generated Node #0,0: 30:[23, 4, 3] Operation: 96-93=3 Moving to Node #0,0 Current State: 30:[23, 4, 3], Operations: ['96-93=3'] Exploring Operation: 23+4=27, Resulting Numbers: [3, 27] Generated Node #0,0,0: 30:[3, 27] Operation: 23+4=27 Moving to Node #0,0,0 Current State: 30:[3, 27], Operations: ['96-93=3', '23+4=27'] Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[23, 4, 96, 93], Operations: [] Exploring Operation: 96-93=3, Resulting Numbers: [23, 4, 3] Generated Node #0,0: 30:[23, 4, 3] Operation: 96-93=3 Moving to Node #0,0 Current State: 30:[23, 4, 3], Operations: ['96-93=3'] Exploring Operation: 23+4=27, Resulting Numbers: [3, 27] Generated Node #0,0,0: 30:[3, 27] Operation: 23+4=27 Moving to Node #0,0,0 Current State: 30:[3, 27], Operations: ['96-93=3', '23+4=27'] Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 2, 70, 43, 66 ]
12
[ "70/2=35", "66-43=23", "35-23=12" ]
Current State: 12:[2, 70, 43, 66], Operations: [] Exploring Operation: 70/2=35, Resulting Numbers: [43, 66, 35] Generated Node #2: [43, 66, 35] from Operation: 70/2=35 Current State: 12:[43, 66, 35], Operations: ['70/2=35'] Exploring Operation: 66-43=23, Resulting Numbers: [35, 23] Generated Node #3: [35, 23] from Operation: 66-43=23 Current State: 12:[35, 23], Operations: ['70/2=35', '66-43=23'] Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[2, 70, 43, 66], Operations: [] Exploring Operation: 70-66=4, Resulting Numbers: [2, 43, 4] Generated Node #0,0: 12:[2, 43, 4] Operation: 70-66=4 Exploring Operation: 66-43=23, Resulting Numbers: [2, 70, 23] Generated Node #0,1: 12:[2, 70, 23] Operation: 66-43=23 Exploring Operation: 70-43=27, Resulting Numbers: [2, 66, 27] Generated Node #0,2: 12:[2, 66, 27] Operation: 70-43=27 Exploring Operation: 70/2=35, Resulting Numbers: [43, 66, 35] Generated Node #0,3: 12:[43, 66, 35] Operation: 70/2=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[2, 43, 4], Operations: ['70-66=4'] Exploring Operation: 2+4=6, Resulting Numbers: [43, 6] Generated Node #0,0,0: 12:[43, 6] Operation: 2+4=6 Exploring Operation: 4-2=2, Resulting Numbers: [43, 2] Generated Node #0,0,1: 12:[43, 2] Operation: 4-2=2 Exploring Operation: 43-4=39, Resulting Numbers: [2, 39] Generated Node #0,0,2: 12:[2, 39] Operation: 43-4=39 Exploring Operation: 43-2=41, Resulting Numbers: [4, 41] Generated Node #0,0,3: 12:[4, 41] Operation: 43-2=41 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 12:[2, 39], Operations: ['70-66=4', '43-4=39'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,12 unequal: No Solution Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,12 unequal: No Solution Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 12:[4, 41], Operations: ['70-66=4', '43-2=41'] Exploring Operation: 4+41=45, Resulting Numbers: [45] 45,12 unequal: No Solution Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,12 unequal: No Solution Exploring Operation: 4*41=164, Resulting Numbers: [164] 164,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 12:[43, 6], Operations: ['70-66=4', '2+4=6'] Exploring Operation: 43+6=49, Resulting Numbers: [49] 49,12 unequal: No Solution Exploring Operation: 43*6=258, Resulting Numbers: [258] 258,12 unequal: No Solution Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 12:[43, 2], Operations: ['70-66=4', '4-2=2'] Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,12 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,12 unequal: No Solution Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[2, 70, 23], Operations: ['66-43=23'] Exploring Operation: 23-2=21, Resulting Numbers: [70, 21] Generated Node #0,1,0: 12:[70, 21] Operation: 23-2=21 Exploring Operation: 70-2=68, Resulting Numbers: [23, 68] Generated Node #0,1,1: 12:[23, 68] Operation: 70-2=68 Exploring Operation: 70/2=35, Resulting Numbers: [23, 35] Generated Node #0,1,2: 12:[23, 35] Operation: 70/2=35 Exploring Operation: 70-23=47, Resulting Numbers: [2, 47] Generated Node #0,1,3: 12:[2, 47] Operation: 70-23=47 Moving to Node #0,1,2 Current State: 12:[23, 35], Operations: ['66-43=23', '70/2=35'] Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[2, 70, 43, 66], Operations: [] Exploring Operation: 66-43=23, Resulting Numbers: [2, 70, 23] Generated Node #0,1: 12:[2, 70, 23] Operation: 66-43=23 Moving to Node #0,1 Current State: 12:[2, 70, 23], Operations: ['66-43=23'] Exploring Operation: 70/2=35, Resulting Numbers: [23, 35] Generated Node #0,1,2: 12:[23, 35] Operation: 70/2=35 Moving to Node #0,1,2 Current State: 12:[23, 35], Operations: ['66-43=23', '70/2=35'] Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_4
sum_heuristic
[ 35, 95, 19, 13 ]
100
[ "95/19=5", "13*5=65", "35+65=100" ]
Current State: 100:[35, 95, 19, 13], Operations: [] Exploring Operation: 95/19=5, Resulting Numbers: [35, 13, 5] Generated Node #2: [35, 13, 5] from Operation: 95/19=5 Current State: 100:[35, 13, 5], Operations: ['95/19=5'] Exploring Operation: 13*5=65, Resulting Numbers: [35, 65] Generated Node #3: [35, 65] from Operation: 13*5=65 Current State: 100:[35, 65], Operations: ['95/19=5', '13*5=65'] Exploring Operation: 35+65=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[35, 95, 19, 13], Operations: [] Exploring Operation: 35-19=16, Resulting Numbers: [95, 13, 16] Generated Node #0,0: 100:[95, 13, 16] Operation: 35-19=16 Exploring Operation: 35+13=48, Resulting Numbers: [95, 19, 48] Generated Node #0,1: 100:[95, 19, 48] Operation: 35+13=48 Exploring Operation: 35+19=54, Resulting Numbers: [95, 13, 54] Generated Node #0,2: 100:[95, 13, 54] Operation: 35+19=54 Exploring Operation: 35-13=22, Resulting Numbers: [95, 19, 22] Generated Node #0,3: 100:[95, 19, 22] Operation: 35-13=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[95, 19, 48], Operations: ['35+13=48'] Exploring Operation: 95-48=47, Resulting Numbers: [19, 47] Generated Node #0,1,0: 100:[19, 47] Operation: 95-48=47 Exploring Operation: 48-19=29, Resulting Numbers: [95, 29] Generated Node #0,1,1: 100:[95, 29] Operation: 48-19=29 Exploring Operation: 95/19=5, Resulting Numbers: [48, 5] Generated Node #0,1,2: 100:[48, 5] Operation: 95/19=5 Exploring Operation: 95+19=114, Resulting Numbers: [48, 114] Generated Node #0,1,3: 100:[48, 114] Operation: 95+19=114 Moving to Node #0,1,2 Current State: 100:[48, 5], Operations: ['35+13=48', '95/19=5'] Exploring Operation: 48*5=240, Resulting Numbers: [240] 240,100 unequal: No Solution Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,100 unequal: No Solution Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,100 unequal: No Solution Moving to Node #0,1,0 Current State: 100:[19, 47], Operations: ['35+13=48', '95-48=47'] Exploring Operation: 47-19=28, Resulting Numbers: [28] 28,100 unequal: No Solution Exploring Operation: 19+47=66, Resulting Numbers: [66] 66,100 unequal: No Solution Exploring Operation: 19*47=893, Resulting Numbers: [893] 893,100 unequal: No Solution Moving to Node #0,1,1 Current State: 100:[95, 29], Operations: ['35+13=48', '48-19=29'] Exploring Operation: 95-29=66, Resulting Numbers: [66] 66,100 unequal: No Solution Exploring Operation: 95+29=124, Resulting Numbers: [124] 124,100 unequal: No Solution Exploring Operation: 95*29=2755, Resulting Numbers: [2755] 2755,100 unequal: No Solution Moving to Node #0,1,3 Current State: 100:[48, 114], Operations: ['35+13=48', '95+19=114'] Exploring Operation: 48+114=162, Resulting Numbers: [162] 162,100 unequal: No Solution Exploring Operation: 48*114=5472, Resulting Numbers: [5472] 5472,100 unequal: No Solution Exploring Operation: 114-48=66, Resulting Numbers: [66] 66,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 100:[95, 19, 22], Operations: ['35-13=22'] Exploring Operation: 19+22=41, Resulting Numbers: [95, 41] Generated Node #0,3,0: 100:[95, 41] Operation: 19+22=41 Exploring Operation: 22-19=3, Resulting Numbers: [95, 3] Generated Node #0,3,1: 100:[95, 3] Operation: 22-19=3 Exploring Operation: 95/19=5, Resulting Numbers: [22, 5] Generated Node #0,3,2: 100:[22, 5] Operation: 95/19=5 Exploring Operation: 95+19=114, Resulting Numbers: [22, 114] Generated Node #0,3,3: 100:[22, 114] Operation: 95+19=114 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 100:[22, 5], Operations: ['35-13=22', '95/19=5'] Exploring Operation: 22+5=27, Resulting Numbers: [27] 27,100 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,100 unequal: No Solution Exploring Operation: 22*5=110, Resulting Numbers: [110] 110,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 100:[95, 3], Operations: ['35-13=22', '22-19=3'] Exploring Operation: 95*3=285, Resulting Numbers: [285] 285,100 unequal: No Solution Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,100 unequal: No Solution Exploring Operation: 95+3=98, Resulting Numbers: [98] 98,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 100:[95, 41], Operations: ['35-13=22', '19+22=41'] Exploring Operation: 95-41=54, Resulting Numbers: [54] 54,100 unequal: No Solution Exploring Operation: 95+41=136, Resulting Numbers: [136] 136,100 unequal: No Solution Exploring Operation: 95*41=3895, Resulting Numbers: [3895] 3895,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 100:[22, 114], Operations: ['35-13=22', '95+19=114'] Exploring Operation: 22+114=136, Resulting Numbers: [136] 136,100 unequal: No Solution Exploring Operation: 22*114=2508, Resulting Numbers: [2508] 2508,100 unequal: No Solution Exploring Operation: 114-22=92, Resulting Numbers: [92] 92,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[95, 13, 16], Operations: ['35-19=16'] Exploring Operation: 95+16=111, Resulting Numbers: [13, 111] Generated Node #0,0,0: 100:[13, 111] Operation: 95+16=111 Exploring Operation: 95+13=108, Resulting Numbers: [16, 108] Generated Node #0,0,1: 100:[16, 108] Operation: 95+13=108 Exploring Operation: 13+16=29, Resulting Numbers: [95, 29] Generated Node #0,0,2: 100:[95, 29] Operation: 13+16=29 Exploring Operation: 16-13=3, Resulting Numbers: [95, 3] Generated Node #0,0,3: 100:[95, 3] Operation: 16-13=3 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 100:[95, 3], Operations: ['35-19=16', '16-13=3'] Exploring Operation: 95*3=285, Resulting Numbers: [285] 285,100 unequal: No Solution Exploring Operation: 95+3=98, Resulting Numbers: [98] 98,100 unequal: No Solution Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 100:[95, 29], Operations: ['35-19=16', '13+16=29'] Exploring Operation: 95+29=124, Resulting Numbers: [124] 124,100 unequal: No Solution Exploring Operation: 95-29=66, Resulting Numbers: [66] 66,100 unequal: No Solution Exploring Operation: 95*29=2755, Resulting Numbers: [2755] 2755,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 100:[16, 108], Operations: ['35-19=16', '95+13=108'] Exploring Operation: 16+108=124, Resulting Numbers: [124] 124,100 unequal: No Solution Exploring Operation: 108-16=92, Resulting Numbers: [92] 92,100 unequal: No Solution Exploring Operation: 16*108=1728, Resulting Numbers: [1728] 1728,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 100:[13, 111], Operations: ['35-19=16', '95+16=111'] Exploring Operation: 13*111=1443, Resulting Numbers: [1443] 1443,100 unequal: No Solution Exploring Operation: 13+111=124, Resulting Numbers: [124] 124,100 unequal: No Solution Exploring Operation: 111-13=98, Resulting Numbers: [98] 98,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[95, 13, 54], Operations: ['35+19=54'] Exploring Operation: 95+13=108, Resulting Numbers: [54, 108] Generated Node #0,2,0: 100:[54, 108] Operation: 95+13=108 Exploring Operation: 95-54=41, Resulting Numbers: [13, 41] Generated Node #0,2,1: 100:[13, 41] Operation: 95-54=41 Exploring Operation: 95-13=82, Resulting Numbers: [54, 82] Generated Node #0,2,2: 100:[54, 82] Operation: 95-13=82 Exploring Operation: 54-13=41, Resulting Numbers: [95, 41] Generated Node #0,2,3: 100:[95, 41] Operation: 54-13=41 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 100:[54, 108], Operations: ['35+19=54', '95+13=108'] Exploring Operation: 54*108=5832, Resulting Numbers: [5832] 5832,100 unequal: No Solution Exploring Operation: 108-54=54, Resulting Numbers: [54] 54,100 unequal: No Solution Exploring Operation: 54+108=162, Resulting Numbers: [162] 162,100 unequal: No Solution Exploring Operation: 108/54=2, Resulting Numbers: [2] 2,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 100:[13, 41], Operations: ['35+19=54', '95-54=41'] Exploring Operation: 13*41=533, Resulting Numbers: [533] 533,100 unequal: No Solution Exploring Operation: 41-13=28, Resulting Numbers: [28] 28,100 unequal: No Solution Exploring Operation: 13+41=54, Resulting Numbers: [54] 54,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 100:[95, 41], Operations: ['35+19=54', '54-13=41'] Exploring Operation: 95-41=54, Resulting Numbers: [54] 54,100 unequal: No Solution Exploring Operation: 95+41=136, Resulting Numbers: [136] 136,100 unequal: No Solution Exploring Operation: 95*41=3895, Resulting Numbers: [3895] 3895,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 100:[54, 82], Operations: ['35+19=54', '95-13=82'] Exploring Operation: 54+82=136, Resulting Numbers: [136] 136,100 unequal: No Solution Exploring Operation: 54*82=4428, Resulting Numbers: [4428] 4428,100 unequal: No Solution Exploring Operation: 82-54=28, Resulting Numbers: [28] 28,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 51, 2, 42, 81 ]
88
[ "51-2=49", "81-42=39", "49+39=88" ]
Current State: 88:[51, 2, 42, 81], Operations: [] Exploring Operation: 51-2=49, Resulting Numbers: [42, 81, 49] Generated Node #2: [42, 81, 49] from Operation: 51-2=49 Current State: 88:[42, 81, 49], Operations: ['51-2=49'] Exploring Operation: 81-42=39, Resulting Numbers: [49, 39] Generated Node #3: [49, 39] from Operation: 81-42=39 Current State: 88:[49, 39], Operations: ['51-2=49', '81-42=39'] Exploring Operation: 49+39=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[51, 2, 42, 81], Operations: [] Exploring Operation: 51-42=9, Resulting Numbers: [2, 81, 9] Generated Node #0,0: 88:[2, 81, 9] Operation: 51-42=9 Moving to Node #0,0 Current State: 88:[2, 81, 9], Operations: ['51-42=9'] Exploring Operation: 81/9=9, Resulting Numbers: [2, 9] Generated Node #0,0,0: 88:[2, 9] Operation: 81/9=9 Moving to Node #0,0,0 Current State: 88:[2, 9], Operations: ['51-42=9', '81/9=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,88 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 9, 21, 84, 23 ]
56
[ "23-9=14", "84/21=4", "14*4=56" ]
Current State: 56:[9, 21, 84, 23], Operations: [] Exploring Operation: 23-9=14, Resulting Numbers: [21, 84, 14] Generated Node #2: [21, 84, 14] from Operation: 23-9=14 Current State: 56:[21, 84, 14], Operations: ['23-9=14'] Exploring Operation: 84/21=4, Resulting Numbers: [14, 4] Generated Node #3: [14, 4] from Operation: 84/21=4 Current State: 56:[14, 4], Operations: ['23-9=14', '84/21=4'] Exploring Operation: 14*4=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[9, 21, 84, 23], Operations: [] Exploring Operation: 84/21=4, Resulting Numbers: [9, 23, 4] Generated Node #0,0: 56:[9, 23, 4] Operation: 84/21=4 Exploring Operation: 84-23=61, Resulting Numbers: [9, 21, 61] Generated Node #0,1: 56:[9, 21, 61] Operation: 84-23=61 Exploring Operation: 84-21=63, Resulting Numbers: [9, 23, 63] Generated Node #0,2: 56:[9, 23, 63] Operation: 84-21=63 Moving to Node #0,0 Current State: 56:[9, 23, 4], Operations: ['84/21=4'] Exploring Operation: 23+4=27, Resulting Numbers: [9, 27] Generated Node #0,0,0: 56:[9, 27] Operation: 23+4=27 Exploring Operation: 23-9=14, Resulting Numbers: [4, 14] Generated Node #0,0,1: 56:[4, 14] Operation: 23-9=14 Exploring Operation: 9+23=32, Resulting Numbers: [4, 32] Generated Node #0,0,2: 56:[4, 32] Operation: 9+23=32 Moving to Node #0,1 Current State: 56:[9, 21, 61], Operations: ['84-23=61'] Exploring Operation: 9+21=30, Resulting Numbers: [61, 30] Generated Node #0,1,0: 56:[61, 30] Operation: 9+21=30 Exploring Operation: 61-9=52, Resulting Numbers: [21, 52] Generated Node #0,1,1: 56:[21, 52] Operation: 61-9=52 Exploring Operation: 21-9=12, Resulting Numbers: [61, 12] Generated Node #0,1,2: 56:[61, 12] Operation: 21-9=12 Moving to Node #0,2 Current State: 56:[9, 23, 63], Operations: ['84-21=63'] Exploring Operation: 23-9=14, Resulting Numbers: [63, 14] Generated Node #0,2,0: 56:[63, 14] Operation: 23-9=14 Exploring Operation: 63-9=54, Resulting Numbers: [23, 54] Generated Node #0,2,1: 56:[23, 54] Operation: 63-9=54 Exploring Operation: 63/9=7, Resulting Numbers: [23, 7] Generated Node #0,2,2: 56:[23, 7] Operation: 63/9=7 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 56:[23, 7], Operations: ['84-21=63', '63/9=7'] Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,56 unequal: No Solution Exploring Operation: 23*7=161, Resulting Numbers: [161] 161,56 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 56:[63, 14], Operations: ['84-21=63', '23-9=14'] Exploring Operation: 63+14=77, Resulting Numbers: [77] 77,56 unequal: No Solution Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,56 unequal: No Solution Exploring Operation: 63*14=882, Resulting Numbers: [882] 882,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 56:[23, 54], Operations: ['84-21=63', '63-9=54'] Exploring Operation: 23+54=77, Resulting Numbers: [77] 77,56 unequal: No Solution Exploring Operation: 23*54=1242, Resulting Numbers: [1242] 1242,56 unequal: No Solution Exploring Operation: 54-23=31, Resulting Numbers: [31] 31,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 56:[4, 14], Operations: ['84/21=4', '23-9=14'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,56 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[9, 21, 84, 23], Operations: [] Exploring Operation: 84/21=4, Resulting Numbers: [9, 23, 4] Generated Node #0,0: 56:[9, 23, 4] Operation: 84/21=4 Moving to Node #0,0 Current State: 56:[9, 23, 4], Operations: ['84/21=4'] Exploring Operation: 23-9=14, Resulting Numbers: [4, 14] Generated Node #0,0,1: 56:[4, 14] Operation: 23-9=14 Moving to Node #0,0,1 Current State: 56:[4, 14], Operations: ['84/21=4', '23-9=14'] Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
0.975694
hs_3
sum_heuristic
[ 17, 6, 1, 24 ]
43
[ "24-17=7", "6*7=42", "1+42=43" ]
Current State: 43:[17, 6, 1, 24], Operations: [] Exploring Operation: 24-17=7, Resulting Numbers: [6, 1, 7] Generated Node #2: [6, 1, 7] from Operation: 24-17=7 Current State: 43:[6, 1, 7], Operations: ['24-17=7'] Exploring Operation: 6*7=42, Resulting Numbers: [1, 42] Generated Node #3: [1, 42] from Operation: 6*7=42 Current State: 43:[1, 42], Operations: ['24-17=7', '6*7=42'] Exploring Operation: 1+42=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[17, 6, 1, 24], Operations: [] Exploring Operation: 17+24=41, Resulting Numbers: [6, 1, 41] Generated Node #0,0: 43:[6, 1, 41] Operation: 17+24=41 Exploring Operation: 17+6=23, Resulting Numbers: [1, 24, 23] Generated Node #0,1: 43:[1, 24, 23] Operation: 17+6=23 Exploring Operation: 17+1=18, Resulting Numbers: [6, 24, 18] Generated Node #0,2: 43:[6, 24, 18] Operation: 17+1=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[6, 1, 41], Operations: ['17+24=41'] Exploring Operation: 6*1=6, Resulting Numbers: [41, 6] Generated Node #0,0,0: 43:[41, 6] Operation: 6*1=6 Exploring Operation: 1+41=42, Resulting Numbers: [6, 42] Generated Node #0,0,1: 43:[6, 42] Operation: 1+41=42 Exploring Operation: 6+1=7, Resulting Numbers: [41, 7] Generated Node #0,0,2: 43:[41, 7] Operation: 6+1=7 Moving to Node #0,0,1 Current State: 43:[6, 42], Operations: ['17+24=41', '1+41=42'] Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,43 unequal: No Solution Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,43 unequal: No Solution Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[41, 7], Operations: ['17+24=41', '6+1=7'] Exploring Operation: 41+7=48, Resulting Numbers: [48] 48,43 unequal: No Solution Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,43 unequal: No Solution Exploring Operation: 41*7=287, Resulting Numbers: [287] 287,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[41, 6], Operations: ['17+24=41', '6*1=6'] Exploring Operation: 41+6=47, Resulting Numbers: [47] 47,43 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,43 unequal: No Solution Exploring Operation: 41*6=246, Resulting Numbers: [246] 246,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[1, 24, 23], Operations: ['17+6=23'] Exploring Operation: 1+24=25, Resulting Numbers: [23, 25] Generated Node #0,1,0: 43:[23, 25] Operation: 1+24=25 Exploring Operation: 1*24=24, Resulting Numbers: [23, 24] Generated Node #0,1,1: 43:[23, 24] Operation: 1*24=24 Exploring Operation: 1+23=24, Resulting Numbers: [24, 24] Generated Node #0,1,2: 43:[24, 24] Operation: 1+23=24 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[23, 25], Operations: ['17+6=23', '1+24=25'] Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 23*25=575, Resulting Numbers: [575] 575,43 unequal: No Solution Exploring Operation: 23+25=48, Resulting Numbers: [48] 48,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 43:[24, 24], Operations: ['17+6=23', '1+23=24'] Exploring Operation: 24/24=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 24+24=48, Resulting Numbers: [48] 48,43 unequal: No Solution Exploring Operation: 24-24=0, Resulting Numbers: [0] 0,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[23, 24], Operations: ['17+6=23', '1*24=24'] Exploring Operation: 23*24=552, Resulting Numbers: [552] 552,43 unequal: No Solution Exploring Operation: 23+24=47, Resulting Numbers: [47] 47,43 unequal: No Solution Exploring Operation: 24-23=1, Resulting Numbers: [1] 1,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[6, 24, 18], Operations: ['17+1=18'] Exploring Operation: 24+18=42, Resulting Numbers: [6, 42] Generated Node #0,2,0: 43:[6, 42] Operation: 24+18=42 Exploring Operation: 6+18=24, Resulting Numbers: [24, 24] Generated Node #0,2,1: 43:[24, 24] Operation: 6+18=24 Exploring Operation: 6+24=30, Resulting Numbers: [18, 30] Generated Node #0,2,2: 43:[18, 30] Operation: 6+24=30 Moving to Node #0,2,0 Current State: 43:[6, 42], Operations: ['17+1=18', '24+18=42'] Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,43 unequal: No Solution Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,43 unequal: No Solution Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,43 unequal: No Solution Moving to Node #0,2,1 Current State: 43:[24, 24], Operations: ['17+1=18', '6+18=24'] Exploring Operation: 24+24=48, Resulting Numbers: [48] 48,43 unequal: No Solution Exploring Operation: 24/24=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 24-24=0, Resulting Numbers: [0] 0,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[18, 30], Operations: ['17+1=18', '6+24=30'] Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 18*30=540, Resulting Numbers: [540] 540,43 unequal: No Solution Exploring Operation: 18+30=48, Resulting Numbers: [48] 48,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 13, 37, 59, 89 ]
91
[ "37+59=96", "96-89=7", "13*7=91" ]
Current State: 91:[13, 37, 59, 89], Operations: [] Exploring Operation: 37+59=96, Resulting Numbers: [13, 89, 96] Generated Node #2: [13, 89, 96] from Operation: 37+59=96 Current State: 91:[13, 89, 96], Operations: ['37+59=96'] Exploring Operation: 96-89=7, Resulting Numbers: [13, 7] Generated Node #3: [13, 7] from Operation: 96-89=7 Current State: 91:[13, 7], Operations: ['37+59=96', '96-89=7'] Exploring Operation: 13*7=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[13, 37, 59, 89], Operations: [] Exploring Operation: 37+59=96, Resulting Numbers: [13, 89, 96] Generated Node #0,0: 91:[13, 89, 96] Operation: 37+59=96 Exploring Operation: 89-59=30, Resulting Numbers: [13, 37, 30] Generated Node #0,1: 91:[13, 37, 30] Operation: 89-59=30 Exploring Operation: 59-37=22, Resulting Numbers: [13, 89, 22] Generated Node #0,2: 91:[13, 89, 22] Operation: 59-37=22 Exploring Operation: 37-13=24, Resulting Numbers: [59, 89, 24] Generated Node #0,3: 91:[59, 89, 24] Operation: 37-13=24 Exploring Operation: 13+59=72, Resulting Numbers: [37, 89, 72] Generated Node #0,4: 91:[37, 89, 72] Operation: 13+59=72 Moving to Node #0,0 Current State: 91:[13, 89, 96], Operations: ['37+59=96'] Exploring Operation: 13+89=102, Resulting Numbers: [96, 102] Generated Node #0,0,0: 91:[96, 102] Operation: 13+89=102 Exploring Operation: 96-89=7, Resulting Numbers: [13, 7] Generated Node #0,0,1: 91:[13, 7] Operation: 96-89=7 Exploring Operation: 13+96=109, Resulting Numbers: [89, 109] Generated Node #0,0,2: 91:[89, 109] Operation: 13+96=109 Exploring Operation: 89-13=76, Resulting Numbers: [96, 76] Generated Node #0,0,3: 91:[96, 76] Operation: 89-13=76 Exploring Operation: 96-13=83, Resulting Numbers: [89, 83] Generated Node #0,0,4: 91:[89, 83] Operation: 96-13=83 Moving to Node #0,2 Current State: 91:[13, 89, 22], Operations: ['59-37=22'] Exploring Operation: 22-13=9, Resulting Numbers: [89, 9] Generated Node #0,2,0: 91:[89, 9] Operation: 22-13=9 Exploring Operation: 89+22=111, Resulting Numbers: [13, 111] Generated Node #0,2,1: 91:[13, 111] Operation: 89+22=111 Exploring Operation: 89-13=76, Resulting Numbers: [22, 76] Generated Node #0,2,2: 91:[22, 76] Operation: 89-13=76 Exploring Operation: 13+22=35, Resulting Numbers: [89, 35] Generated Node #0,2,3: 91:[89, 35] Operation: 13+22=35 Exploring Operation: 13+89=102, Resulting Numbers: [22, 102] Generated Node #0,2,4: 91:[22, 102] Operation: 13+89=102 Moving to Node #0,1 Current State: 91:[13, 37, 30], Operations: ['89-59=30'] Exploring Operation: 37-13=24, Resulting Numbers: [30, 24] Generated Node #0,1,0: 91:[30, 24] Operation: 37-13=24 Exploring Operation: 37+30=67, Resulting Numbers: [13, 67] Generated Node #0,1,1: 91:[13, 67] Operation: 37+30=67 Exploring Operation: 13+37=50, Resulting Numbers: [30, 50] Generated Node #0,1,2: 91:[30, 50] Operation: 13+37=50 Exploring Operation: 37-30=7, Resulting Numbers: [13, 7] Generated Node #0,1,3: 91:[13, 7] Operation: 37-30=7 Exploring Operation: 30-13=17, Resulting Numbers: [37, 17] Generated Node #0,1,4: 91:[37, 17] Operation: 30-13=17 Moving to Node #0,3 Current State: 91:[59, 89, 24], Operations: ['37-13=24'] Exploring Operation: 89+24=113, Resulting Numbers: [59, 113] Generated Node #0,3,0: 91:[59, 113] Operation: 89+24=113 Exploring Operation: 59+24=83, Resulting Numbers: [89, 83] Generated Node #0,3,1: 91:[89, 83] Operation: 59+24=83 Exploring Operation: 59-24=35, Resulting Numbers: [89, 35] Generated Node #0,3,2: 91:[89, 35] Operation: 59-24=35 Exploring Operation: 89-59=30, Resulting Numbers: [24, 30] Generated Node #0,3,3: 91:[24, 30] Operation: 89-59=30 Exploring Operation: 89-24=65, Resulting Numbers: [59, 65] Generated Node #0,3,4: 91:[59, 65] Operation: 89-24=65 Moving to Node #0,4 Current State: 91:[37, 89, 72], Operations: ['13+59=72'] Exploring Operation: 72-37=35, Resulting Numbers: [89, 35] Generated Node #0,4,0: 91:[89, 35] Operation: 72-37=35 Exploring Operation: 37+89=126, Resulting Numbers: [72, 126] Generated Node #0,4,1: 91:[72, 126] Operation: 37+89=126 Exploring Operation: 37+72=109, Resulting Numbers: [89, 109] Generated Node #0,4,2: 91:[89, 109] Operation: 37+72=109 Exploring Operation: 89-37=52, Resulting Numbers: [72, 52] Generated Node #0,4,3: 91:[72, 52] Operation: 89-37=52 Exploring Operation: 89-72=17, Resulting Numbers: [37, 17] Generated Node #0,4,4: 91:[37, 17] Operation: 89-72=17 Moving to Node #0,0,1 Current State: 91:[13, 7], Operations: ['37+59=96', '96-89=7'] Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,91 unequal: No Solution Exploring Operation: 13+7=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 13*7=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[13, 37, 59, 89], Operations: [] Exploring Operation: 37+59=96, Resulting Numbers: [13, 89, 96] Generated Node #0,0: 91:[13, 89, 96] Operation: 37+59=96 Moving to Node #0,0 Current State: 91:[13, 89, 96], Operations: ['37+59=96'] Exploring Operation: 96-89=7, Resulting Numbers: [13, 7] Generated Node #0,0,1: 91:[13, 7] Operation: 96-89=7 Moving to Node #0,0,1 Current State: 91:[13, 7], Operations: ['37+59=96', '96-89=7'] Exploring Operation: 13*7=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
0.967882
hs_5
sum_heuristic
[ 19, 27, 21, 24 ]
33
[ "27*24=648", "648-21=627", "627/19=33" ]
Current State: 33:[19, 27, 21, 24], Operations: [] Exploring Operation: 27*24=648, Resulting Numbers: [19, 21, 648] Generated Node #2: [19, 21, 648] from Operation: 27*24=648 Current State: 33:[19, 21, 648], Operations: ['27*24=648'] Exploring Operation: 648-21=627, Resulting Numbers: [19, 627] Generated Node #3: [19, 627] from Operation: 648-21=627 Current State: 33:[19, 627], Operations: ['27*24=648', '648-21=627'] Exploring Operation: 627/19=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[19, 27, 21, 24], Operations: [] Exploring Operation: 24-19=5, Resulting Numbers: [27, 21, 5] Generated Node #0,0: 33:[27, 21, 5] Operation: 24-19=5 Exploring Operation: 24-21=3, Resulting Numbers: [19, 27, 3] Generated Node #0,1: 33:[19, 27, 3] Operation: 24-21=3 Exploring Operation: 21-19=2, Resulting Numbers: [27, 24, 2] Generated Node #0,2: 33:[27, 24, 2] Operation: 21-19=2 Moving to Node #0,1 Current State: 33:[19, 27, 3], Operations: ['24-21=3'] Exploring Operation: 27-19=8, Resulting Numbers: [3, 8] Generated Node #0,1,0: 33:[3, 8] Operation: 27-19=8 Exploring Operation: 19-3=16, Resulting Numbers: [27, 16] Generated Node #0,1,1: 33:[27, 16] Operation: 19-3=16 Exploring Operation: 27/3=9, Resulting Numbers: [19, 9] Generated Node #0,1,2: 33:[19, 9] Operation: 27/3=9 Moving to Node #0,2 Current State: 33:[27, 24, 2], Operations: ['21-19=2'] Exploring Operation: 27-24=3, Resulting Numbers: [2, 3] Generated Node #0,2,0: 33:[2, 3] Operation: 27-24=3 Exploring Operation: 24/2=12, Resulting Numbers: [27, 12] Generated Node #0,2,1: 33:[27, 12] Operation: 24/2=12 Exploring Operation: 27+2=29, Resulting Numbers: [24, 29] Generated Node #0,2,2: 33:[24, 29] Operation: 27+2=29 Moving to Node #0,0 Current State: 33:[27, 21, 5], Operations: ['24-19=5'] Exploring Operation: 21-5=16, Resulting Numbers: [27, 16] Generated Node #0,0,0: 33:[27, 16] Operation: 21-5=16 Exploring Operation: 27-21=6, Resulting Numbers: [5, 6] Generated Node #0,0,1: 33:[5, 6] Operation: 27-21=6 Exploring Operation: 27+5=32, Resulting Numbers: [21, 32] Generated Node #0,0,2: 33:[21, 32] Operation: 27+5=32 Moving to Node #0,2,0 Current State: 33:[2, 3], Operations: ['21-19=2', '27-24=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,33 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,33 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,33 unequal: No Solution Moving to Node #0,1,0 Current State: 33:[3, 8], Operations: ['24-21=3', '27-19=8'] Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,33 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,33 unequal: No Solution Moving to Node #0,0,1 Current State: 33:[5, 6], Operations: ['24-19=5', '27-21=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,33 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,33 unequal: No Solution Moving to Node #0,2,1 Current State: 33:[27, 12], Operations: ['21-19=2', '24/2=12'] Exploring Operation: 27+12=39, Resulting Numbers: [39] 39,33 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,33 unequal: No Solution Exploring Operation: 27*12=324, Resulting Numbers: [324] 324,33 unequal: No Solution Moving to Node #0,1,2 Current State: 33:[19, 9], Operations: ['24-21=3', '27/3=9'] Exploring Operation: 19*9=171, Resulting Numbers: [171] 171,33 unequal: No Solution Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,33 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,33 unequal: No Solution Moving to Node #0,1,1 Current State: 33:[27, 16], Operations: ['24-21=3', '19-3=16'] Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,33 unequal: No Solution Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 27*16=432, Resulting Numbers: [432] 432,33 unequal: No Solution Moving to Node #0,0,2 Current State: 33:[21, 32], Operations: ['24-19=5', '27+5=32'] Exploring Operation: 21*32=672, Resulting Numbers: [672] 672,33 unequal: No Solution Exploring Operation: 32-21=11, Resulting Numbers: [11] 11,33 unequal: No Solution Exploring Operation: 21+32=53, Resulting Numbers: [53] 53,33 unequal: No Solution Moving to Node #0,0,0 Current State: 33:[27, 16], Operations: ['24-19=5', '21-5=16'] Exploring Operation: 27*16=432, Resulting Numbers: [432] 432,33 unequal: No Solution Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,33 unequal: No Solution Moving to Node #0,2,2 Current State: 33:[24, 29], Operations: ['21-19=2', '27+2=29'] Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,33 unequal: No Solution Exploring Operation: 24+29=53, Resulting Numbers: [53] 53,33 unequal: No Solution Exploring Operation: 24*29=696, Resulting Numbers: [696] 696,33 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 21, 78, 5, 32 ]
20
[ "78-21=57", "5+32=37", "57-37=20" ]
Current State: 20:[21, 78, 5, 32], Operations: [] Exploring Operation: 78-21=57, Resulting Numbers: [5, 32, 57] Generated Node #2: [5, 32, 57] from Operation: 78-21=57 Current State: 20:[5, 32, 57], Operations: ['78-21=57'] Exploring Operation: 5+32=37, Resulting Numbers: [57, 37] Generated Node #3: [57, 37] from Operation: 5+32=37 Current State: 20:[57, 37], Operations: ['78-21=57', '5+32=37'] Exploring Operation: 57-37=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[21, 78, 5, 32], Operations: [] Exploring Operation: 78-21=57, Resulting Numbers: [5, 32, 57] Generated Node #0,0: 20:[5, 32, 57] Operation: 78-21=57 Exploring Operation: 78-5=73, Resulting Numbers: [21, 32, 73] Generated Node #0,1: 20:[21, 32, 73] Operation: 78-5=73 Exploring Operation: 78-32=46, Resulting Numbers: [21, 5, 46] Generated Node #0,2: 20:[21, 5, 46] Operation: 78-32=46 Exploring Operation: 32-21=11, Resulting Numbers: [78, 5, 11] Generated Node #0,3: 20:[78, 5, 11] Operation: 32-21=11 Moving to Node #0,2 Current State: 20:[21, 5, 46], Operations: ['78-32=46'] Exploring Operation: 21-5=16, Resulting Numbers: [46, 16] Generated Node #0,2,0: 20:[46, 16] Operation: 21-5=16 Exploring Operation: 21+5=26, Resulting Numbers: [46, 26] Generated Node #0,2,1: 20:[46, 26] Operation: 21+5=26 Exploring Operation: 46-5=41, Resulting Numbers: [21, 41] Generated Node #0,2,2: 20:[21, 41] Operation: 46-5=41 Exploring Operation: 46-21=25, Resulting Numbers: [5, 25] Generated Node #0,2,3: 20:[5, 25] Operation: 46-21=25 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 20:[5, 25], Operations: ['78-32=46', '46-21=25'] Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,20 unequal: No Solution Exploring Operation: 5*25=125, Resulting Numbers: [125] 125,20 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[21, 78, 5, 32], Operations: [] Exploring Operation: 78-32=46, Resulting Numbers: [21, 5, 46] Generated Node #0,2: 20:[21, 5, 46] Operation: 78-32=46 Moving to Node #0,2 Current State: 20:[21, 5, 46], Operations: ['78-32=46'] Exploring Operation: 46-21=25, Resulting Numbers: [5, 25] Generated Node #0,2,3: 20:[5, 25] Operation: 46-21=25 Moving to Node #0,2,3 Current State: 20:[5, 25], Operations: ['78-32=46', '46-21=25'] Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 63, 14, 49, 18 ]
46
[ "63+14=77", "49-18=31", "77-31=46" ]
Current State: 46:[63, 14, 49, 18], Operations: [] Exploring Operation: 63+14=77, Resulting Numbers: [49, 18, 77] Generated Node #2: [49, 18, 77] from Operation: 63+14=77 Current State: 46:[49, 18, 77], Operations: ['63+14=77'] Exploring Operation: 49-18=31, Resulting Numbers: [77, 31] Generated Node #3: [77, 31] from Operation: 49-18=31 Current State: 46:[77, 31], Operations: ['63+14=77', '49-18=31'] Exploring Operation: 77-31=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[63, 14, 49, 18], Operations: [] Exploring Operation: 63-14=49, Resulting Numbers: [49, 18, 49] Generated Node #0,0: 46:[49, 18, 49] Operation: 63-14=49 Exploring Operation: 63-18=45, Resulting Numbers: [14, 49, 45] Generated Node #0,1: 46:[14, 49, 45] Operation: 63-18=45 Moving to Node #0,0 Current State: 46:[49, 18, 49], Operations: ['63-14=49'] Exploring Operation: 49/49=1, Resulting Numbers: [18, 1] Generated Node #0,0,0: 46:[18, 1] Operation: 49/49=1 Exploring Operation: 49-49=0, Resulting Numbers: [18, 0] Generated Node #0,0,1: 46:[18, 0] Operation: 49-49=0 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[18, 1], Operations: ['63-14=49', '49/49=1'] Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 46:[18, 0], Operations: ['63-14=49', '49-49=0'] Exploring Operation: 18*0=0, Resulting Numbers: [0] 0,46 unequal: No Solution Exploring Operation: 18+0=18, Resulting Numbers: [18] 18,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 46:[14, 49, 45], Operations: ['63-18=45'] Exploring Operation: 49-45=4, Resulting Numbers: [14, 4] Generated Node #0,1,0: 46:[14, 4] Operation: 49-45=4 Exploring Operation: 45-14=31, Resulting Numbers: [49, 31] Generated Node #0,1,1: 46:[49, 31] Operation: 45-14=31 Moving to Node #0,1,0 Current State: 46:[14, 4], Operations: ['63-18=45', '49-45=4'] Exploring Operation: 14+4=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[49, 31], Operations: ['63-18=45', '45-14=31'] Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 49+31=80, Resulting Numbers: [80] 80,46 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 4, 1, 21, 69 ]
38
[ "69-1=68", "68/4=17", "21+17=38" ]
Current State: 38:[4, 1, 21, 69], Operations: [] Exploring Operation: 69-1=68, Resulting Numbers: [4, 21, 68] Generated Node #2: [4, 21, 68] from Operation: 69-1=68 Current State: 38:[4, 21, 68], Operations: ['69-1=68'] Exploring Operation: 68/4=17, Resulting Numbers: [21, 17] Generated Node #3: [21, 17] from Operation: 68/4=17 Current State: 38:[21, 17], Operations: ['69-1=68', '68/4=17'] Exploring Operation: 21+17=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[4, 1, 21, 69], Operations: [] Exploring Operation: 69-4=65, Resulting Numbers: [1, 21, 65] Generated Node #0,0: 38:[1, 21, 65] Operation: 69-4=65 Exploring Operation: 4-1=3, Resulting Numbers: [21, 69, 3] Generated Node #0,1: 38:[21, 69, 3] Operation: 4-1=3 Exploring Operation: 69-21=48, Resulting Numbers: [4, 1, 48] Generated Node #0,2: 38:[4, 1, 48] Operation: 69-21=48 Exploring Operation: 21-1=20, Resulting Numbers: [4, 69, 20] Generated Node #0,3: 38:[4, 69, 20] Operation: 21-1=20 Exploring Operation: 21-4=17, Resulting Numbers: [1, 69, 17] Generated Node #0,4: 38:[1, 69, 17] Operation: 21-4=17 Moving to Node #0,2 Current State: 38:[4, 1, 48], Operations: ['69-21=48'] Exploring Operation: 4*1=4, Resulting Numbers: [48, 4] Generated Node #0,2,0: 38:[48, 4] Operation: 4*1=4 Exploring Operation: 4-1=3, Resulting Numbers: [48, 3] Generated Node #0,2,1: 38:[48, 3] Operation: 4-1=3 Exploring Operation: 48-1=47, Resulting Numbers: [4, 47] Generated Node #0,2,2: 38:[4, 47] Operation: 48-1=47 Exploring Operation: 48-4=44, Resulting Numbers: [1, 44] Generated Node #0,2,3: 38:[1, 44] Operation: 48-4=44 Exploring Operation: 48/4=12, Resulting Numbers: [1, 12] Generated Node #0,2,4: 38:[1, 12] Operation: 48/4=12 Moving to Node #0,0 Current State: 38:[1, 21, 65], Operations: ['69-4=65'] Exploring Operation: 65-21=44, Resulting Numbers: [1, 44] Generated Node #0,0,0: 38:[1, 44] Operation: 65-21=44 Exploring Operation: 65-1=64, Resulting Numbers: [21, 64] Generated Node #0,0,1: 38:[21, 64] Operation: 65-1=64 Exploring Operation: 21/1=21, Resulting Numbers: [65, 21] Generated Node #0,0,2: 38:[65, 21] Operation: 21/1=21 Exploring Operation: 1*21=21, Resulting Numbers: [65, 21] Generated Node #0,0,3: 38:[65, 21] Operation: 1*21=21 Exploring Operation: 21-1=20, Resulting Numbers: [65, 20] Generated Node #0,0,4: 38:[65, 20] Operation: 21-1=20 Moving to Node #0,1 Current State: 38:[21, 69, 3], Operations: ['4-1=3'] Exploring Operation: 69-3=66, Resulting Numbers: [21, 66] Generated Node #0,1,0: 38:[21, 66] Operation: 69-3=66 Exploring Operation: 21-3=18, Resulting Numbers: [69, 18] Generated Node #0,1,1: 38:[69, 18] Operation: 21-3=18 Exploring Operation: 69-21=48, Resulting Numbers: [3, 48] Generated Node #0,1,2: 38:[3, 48] Operation: 69-21=48 Exploring Operation: 21+3=24, Resulting Numbers: [69, 24] Generated Node #0,1,3: 38:[69, 24] Operation: 21+3=24 Exploring Operation: 69/3=23, Resulting Numbers: [21, 23] Generated Node #0,1,4: 38:[21, 23] Operation: 69/3=23 Moving to Node #0,3 Current State: 38:[4, 69, 20], Operations: ['21-1=20'] Exploring Operation: 20/4=5, Resulting Numbers: [69, 5] Generated Node #0,3,0: 38:[69, 5] Operation: 20/4=5 Exploring Operation: 20-4=16, Resulting Numbers: [69, 16] Generated Node #0,3,1: 38:[69, 16] Operation: 20-4=16 Exploring Operation: 69-4=65, Resulting Numbers: [20, 65] Generated Node #0,3,2: 38:[20, 65] Operation: 69-4=65 Exploring Operation: 69-20=49, Resulting Numbers: [4, 49] Generated Node #0,3,3: 38:[4, 49] Operation: 69-20=49 Exploring Operation: 4+69=73, Resulting Numbers: [20, 73] Generated Node #0,3,4: 38:[20, 73] Operation: 4+69=73 Moving to Node #0,4 Current State: 38:[1, 69, 17], Operations: ['21-4=17'] Exploring Operation: 1*69=69, Resulting Numbers: [17, 69] Generated Node #0,4,0: 38:[17, 69] Operation: 1*69=69 Exploring Operation: 69-1=68, Resulting Numbers: [17, 68] Generated Node #0,4,1: 38:[17, 68] Operation: 69-1=68 Exploring Operation: 1+17=18, Resulting Numbers: [69, 18] Generated Node #0,4,2: 38:[69, 18] Operation: 1+17=18 Exploring Operation: 69-17=52, Resulting Numbers: [1, 52] Generated Node #0,4,3: 38:[1, 52] Operation: 69-17=52 Exploring Operation: 69/1=69, Resulting Numbers: [17, 69] Generated Node #0,4,4: 38:[17, 69] Operation: 69/1=69 Moving to Node #0,1,4 Current State: 38:[21, 23], Operations: ['4-1=3', '69/3=23'] Exploring Operation: 21*23=483, Resulting Numbers: [483] 483,38 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,38 unequal: No Solution Exploring Operation: 21+23=44, Resulting Numbers: [44] 44,38 unequal: No Solution Moving to Node #0,0,0 Current State: 38:[1, 44], Operations: ['69-4=65', '65-21=44'] Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,38 unequal: No Solution Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,38 unequal: No Solution Exploring Operation: 1+44=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 1*44=44, Resulting Numbers: [44] 44,38 unequal: No Solution Moving to Node #0,2,3 Current State: 38:[1, 44], Operations: ['69-21=48', '48-4=44'] Exploring Operation: 1*44=44, Resulting Numbers: [44] 44,38 unequal: No Solution Exploring Operation: 1+44=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,38 unequal: No Solution Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,38 unequal: No Solution Moving to Node #0,2,4 Current State: 38:[1, 12], Operations: ['69-21=48', '48/4=12'] Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,38 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,38 unequal: No Solution Exploring Operation: 1*12=12, Resulting Numbers: [12] 12,38 unequal: No Solution Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,38 unequal: No Solution Moving to Node #0,2,1 Current State: 38:[48, 3], Operations: ['69-21=48', '4-1=3'] Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,38 unequal: No Solution Exploring Operation: 48*3=144, Resulting Numbers: [144] 144,38 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,38 unequal: No Solution Moving to Node #0,1,2 Current State: 38:[3, 48], Operations: ['4-1=3', '69-21=48'] Exploring Operation: 3*48=144, Resulting Numbers: [144] 144,38 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,38 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,38 unequal: No Solution Moving to Node #0,2,2 Current State: 38:[4, 47], Operations: ['69-21=48', '48-1=47'] Exploring Operation: 4*47=188, Resulting Numbers: [188] 188,38 unequal: No Solution Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,38 unequal: No Solution Exploring Operation: 4+47=51, Resulting Numbers: [51] 51,38 unequal: No Solution Moving to Node #0,2,0 Current State: 38:[48, 4], Operations: ['69-21=48', '4*1=4'] Exploring Operation: 48+4=52, Resulting Numbers: [52] 52,38 unequal: No Solution Exploring Operation: 48*4=192, Resulting Numbers: [192] 192,38 unequal: No Solution Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,38 unequal: No Solution Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,38 unequal: No Solution Moving to Node #0,3,3 Current State: 38:[4, 49], Operations: ['21-1=20', '69-20=49'] Exploring Operation: 4*49=196, Resulting Numbers: [196] 196,38 unequal: No Solution Exploring Operation: 4+49=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 49-4=45, Resulting Numbers: [45] 45,38 unequal: No Solution Moving to Node #0,4,3 Current State: 38:[1, 52], Operations: ['21-4=17', '69-17=52'] Exploring Operation: 1+52=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,38 unequal: No Solution Exploring Operation: 52/1=52, Resulting Numbers: [52] 52,38 unequal: No Solution Exploring Operation: 1*52=52, Resulting Numbers: [52] 52,38 unequal: No Solution Moving to Node #0,0,1 Current State: 38:[21, 64], Operations: ['69-4=65', '65-1=64'] Exploring Operation: 21*64=1344, Resulting Numbers: [1344] 1344,38 unequal: No Solution Exploring Operation: 64-21=43, Resulting Numbers: [43] 43,38 unequal: No Solution Exploring Operation: 21+64=85, Resulting Numbers: [85] 85,38 unequal: No Solution Moving to Node #0,3,2 Current State: 38:[20, 65], Operations: ['21-1=20', '69-4=65'] Exploring Operation: 65-20=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 20*65=1300, Resulting Numbers: [1300] 1300,38 unequal: No Solution Exploring Operation: 20+65=85, Resulting Numbers: [85] 85,38 unequal: No Solution Moving to Node #0,0,4 Current State: 38:[65, 20], Operations: ['69-4=65', '21-1=20'] Exploring Operation: 65-20=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 65+20=85, Resulting Numbers: [85] 85,38 unequal: No Solution Exploring Operation: 65*20=1300, Resulting Numbers: [1300] 1300,38 unequal: No Solution Moving to Node #0,0,3 Current State: 38:[65, 21], Operations: ['69-4=65', '1*21=21'] Exploring Operation: 65-21=44, Resulting Numbers: [44] 44,38 unequal: No Solution Exploring Operation: 65*21=1365, Resulting Numbers: [1365] 1365,38 unequal: No Solution Exploring Operation: 65+21=86, Resulting Numbers: [86] 86,38 unequal: No Solution Moving to Node #0,0,2 Current State: 38:[65, 21], Operations: ['69-4=65', '21/1=21'] Exploring Operation: 65+21=86, Resulting Numbers: [86] 86,38 unequal: No Solution Exploring Operation: 65-21=44, Resulting Numbers: [44] 44,38 unequal: No Solution Exploring Operation: 65*21=1365, Resulting Numbers: [1365] 1365,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[21, 66], Operations: ['4-1=3', '69-3=66'] Exploring Operation: 21*66=1386, Resulting Numbers: [1386] 1386,38 unequal: No Solution Exploring Operation: 66-21=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 21+66=87, Resulting Numbers: [87] 87,38 unequal: No Solution Moving to Node #0,1,1 Current State: 38:[69, 18], Operations: ['4-1=3', '21-3=18'] Exploring Operation: 69+18=87, Resulting Numbers: [87] 87,38 unequal: No Solution Exploring Operation: 69*18=1242, Resulting Numbers: [1242] 1242,38 unequal: No Solution Exploring Operation: 69-18=51, Resulting Numbers: [51] 51,38 unequal: No Solution Moving to Node #0,4,1 Current State: 38:[17, 68], Operations: ['21-4=17', '69-1=68'] Exploring Operation: 68-17=51, Resulting Numbers: [51] 51,38 unequal: No Solution Exploring Operation: 17+68=85, Resulting Numbers: [85] 85,38 unequal: No Solution Exploring Operation: 17*68=1156, Resulting Numbers: [1156] 1156,38 unequal: No Solution Exploring Operation: 68/17=4, Resulting Numbers: [4] 4,38 unequal: No Solution Moving to Node #0,4,2 Current State: 38:[69, 18], Operations: ['21-4=17', '1+17=18'] Exploring Operation: 69+18=87, Resulting Numbers: [87] 87,38 unequal: No Solution Exploring Operation: 69*18=1242, Resulting Numbers: [1242] 1242,38 unequal: No Solution Exploring Operation: 69-18=51, Resulting Numbers: [51] 51,38 unequal: No Solution Moving to Node #0,4,0 Current State: 38:[17, 69], Operations: ['21-4=17', '1*69=69'] Exploring Operation: 69-17=52, Resulting Numbers: [52] 52,38 unequal: No Solution Exploring Operation: 17+69=86, Resulting Numbers: [86] 86,38 unequal: No Solution Exploring Operation: 17*69=1173, Resulting Numbers: [1173] 1173,38 unequal: No Solution Moving to Node #0,4,4 Current State: 38:[17, 69], Operations: ['21-4=17', '69/1=69'] Exploring Operation: 17*69=1173, Resulting Numbers: [1173] 1173,38 unequal: No Solution Exploring Operation: 69-17=52, Resulting Numbers: [52] 52,38 unequal: No Solution Exploring Operation: 17+69=86, Resulting Numbers: [86] 86,38 unequal: No Solution Moving to Node #0,3,0 Current State: 38:[69, 5], Operations: ['21-1=20', '20/4=5'] Exploring Operation: 69-5=64, Resulting Numbers: [64] 64,38 unequal: No Solution Exploring Operation: 69+5=74, Resulting Numbers: [74] 74,38 unequal: No Solution Exploring Operation: 69*5=345, Resulting Numbers: [345] 345,38 unequal: No Solution Moving to Node #0,3,1 Current State: 38:[69, 16], Operations: ['21-1=20', '20-4=16'] Exploring Operation: 69-16=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 69+16=85, Resulting Numbers: [85] 85,38 unequal: No Solution Exploring Operation: 69*16=1104, Resulting Numbers: [1104] 1104,38 unequal: No Solution Moving to Node #0,1,3 Current State: 38:[69, 24], Operations: ['4-1=3', '21+3=24'] Exploring Operation: 69*24=1656, Resulting Numbers: [1656] 1656,38 unequal: No Solution Exploring Operation: 69-24=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 69+24=93, Resulting Numbers: [93] 93,38 unequal: No Solution Moving to Node #0,3,4 Current State: 38:[20, 73], Operations: ['21-1=20', '4+69=73'] Exploring Operation: 20*73=1460, Resulting Numbers: [1460] 1460,38 unequal: No Solution Exploring Operation: 20+73=93, Resulting Numbers: [93] 93,38 unequal: No Solution Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,38 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 40, 6, 61, 10 ]
71
[ "40/10=4", "6+61=67", "4+67=71" ]
Current State: 71:[40, 6, 61, 10], Operations: [] Exploring Operation: 40/10=4, Resulting Numbers: [6, 61, 4] Generated Node #2: [6, 61, 4] from Operation: 40/10=4 Current State: 71:[6, 61, 4], Operations: ['40/10=4'] Exploring Operation: 6+61=67, Resulting Numbers: [4, 67] Generated Node #3: [4, 67] from Operation: 6+61=67 Current State: 71:[4, 67], Operations: ['40/10=4', '6+61=67'] Exploring Operation: 4+67=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[40, 6, 61, 10], Operations: [] Exploring Operation: 40+10=50, Resulting Numbers: [6, 61, 50] Generated Node #0,0: 71:[6, 61, 50] Operation: 40+10=50 Exploring Operation: 40+6=46, Resulting Numbers: [61, 10, 46] Generated Node #0,1: 71:[61, 10, 46] Operation: 40+6=46 Exploring Operation: 6*10=60, Resulting Numbers: [40, 61, 60] Generated Node #0,2: 71:[40, 61, 60] Operation: 6*10=60 Exploring Operation: 6+10=16, Resulting Numbers: [40, 61, 16] Generated Node #0,3: 71:[40, 61, 16] Operation: 6+10=16 Exploring Operation: 6+61=67, Resulting Numbers: [40, 10, 67] Generated Node #0,4: 71:[40, 10, 67] Operation: 6+61=67 Moving to Node #0,2 Current State: 71:[40, 61, 60], Operations: ['6*10=60'] Exploring Operation: 61+60=121, Resulting Numbers: [40, 121] Generated Node #0,2,0: 71:[40, 121] Operation: 61+60=121 Exploring Operation: 40+61=101, Resulting Numbers: [60, 101] Generated Node #0,2,1: 71:[60, 101] Operation: 40+61=101 Exploring Operation: 61-40=21, Resulting Numbers: [60, 21] Generated Node #0,2,2: 71:[60, 21] Operation: 61-40=21 Exploring Operation: 60-40=20, Resulting Numbers: [61, 20] Generated Node #0,2,3: 71:[61, 20] Operation: 60-40=20 Exploring Operation: 40+60=100, Resulting Numbers: [61, 100] Generated Node #0,2,4: 71:[61, 100] Operation: 40+60=100 Moving to Node #0,1 Current State: 71:[61, 10, 46], Operations: ['40+6=46'] Exploring Operation: 61+46=107, Resulting Numbers: [10, 107] Generated Node #0,1,0: 71:[10, 107] Operation: 61+46=107 Exploring Operation: 46-10=36, Resulting Numbers: [61, 36] Generated Node #0,1,1: 71:[61, 36] Operation: 46-10=36 Exploring Operation: 61-10=51, Resulting Numbers: [46, 51] Generated Node #0,1,2: 71:[46, 51] Operation: 61-10=51 Exploring Operation: 61+10=71, Resulting Numbers: [46, 71] Generated Node #0,1,3: 71:[46, 71] Operation: 61+10=71 Exploring Operation: 10+46=56, Resulting Numbers: [61, 56] Generated Node #0,1,4: 71:[61, 56] Operation: 10+46=56 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 71:[46, 71], Operations: ['40+6=46', '61+10=71'] Exploring Operation: 46+71=117, Resulting Numbers: [117] 117,71 unequal: No Solution Exploring Operation: 46*71=3266, Resulting Numbers: [3266] 3266,71 unequal: No Solution Exploring Operation: 71-46=25, Resulting Numbers: [25] 25,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 71:[61, 56], Operations: ['40+6=46', '10+46=56'] Exploring Operation: 61*56=3416, Resulting Numbers: [3416] 3416,71 unequal: No Solution Exploring Operation: 61+56=117, Resulting Numbers: [117] 117,71 unequal: No Solution Exploring Operation: 61-56=5, Resulting Numbers: [5] 5,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[61, 36], Operations: ['40+6=46', '46-10=36'] Exploring Operation: 61+36=97, Resulting Numbers: [97] 97,71 unequal: No Solution Exploring Operation: 61-36=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 61*36=2196, Resulting Numbers: [2196] 2196,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 71:[46, 51], Operations: ['40+6=46', '61-10=51'] Exploring Operation: 51-46=5, Resulting Numbers: [5] 5,71 unequal: No Solution Exploring Operation: 46+51=97, Resulting Numbers: [97] 97,71 unequal: No Solution Exploring Operation: 46*51=2346, Resulting Numbers: [2346] 2346,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[10, 107], Operations: ['40+6=46', '61+46=107'] Exploring Operation: 107-10=97, Resulting Numbers: [97] 97,71 unequal: No Solution Exploring Operation: 10*107=1070, Resulting Numbers: [1070] 1070,71 unequal: No Solution Exploring Operation: 10+107=117, Resulting Numbers: [117] 117,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 71:[40, 10, 67], Operations: ['6+61=67'] Exploring Operation: 67-10=57, Resulting Numbers: [40, 57] Generated Node #0,4,0: 71:[40, 57] Operation: 67-10=57 Exploring Operation: 10+67=77, Resulting Numbers: [40, 77] Generated Node #0,4,1: 71:[40, 77] Operation: 10+67=77 Exploring Operation: 40+10=50, Resulting Numbers: [67, 50] Generated Node #0,4,2: 71:[67, 50] Operation: 40+10=50 Exploring Operation: 40-10=30, Resulting Numbers: [67, 30] Generated Node #0,4,3: 71:[67, 30] Operation: 40-10=30 Exploring Operation: 40/10=4, Resulting Numbers: [67, 4] Generated Node #0,4,4: 71:[67, 4] Operation: 40/10=4 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 71:[67, 50], Operations: ['6+61=67', '40+10=50'] Exploring Operation: 67+50=117, Resulting Numbers: [117] 117,71 unequal: No Solution Exploring Operation: 67-50=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 67*50=3350, Resulting Numbers: [3350] 3350,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 71:[40, 77], Operations: ['6+61=67', '10+67=77'] Exploring Operation: 40*77=3080, Resulting Numbers: [3080] 3080,71 unequal: No Solution Exploring Operation: 77-40=37, Resulting Numbers: [37] 37,71 unequal: No Solution Exploring Operation: 40+77=117, Resulting Numbers: [117] 117,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 71:[40, 57], Operations: ['6+61=67', '67-10=57'] Exploring Operation: 40*57=2280, Resulting Numbers: [2280] 2280,71 unequal: No Solution Exploring Operation: 57-40=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 40+57=97, Resulting Numbers: [97] 97,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 71:[67, 30], Operations: ['6+61=67', '40-10=30'] Exploring Operation: 67*30=2010, Resulting Numbers: [2010] 2010,71 unequal: No Solution Exploring Operation: 67-30=37, Resulting Numbers: [37] 37,71 unequal: No Solution Exploring Operation: 67+30=97, Resulting Numbers: [97] 97,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 71:[67, 4], Operations: ['6+61=67', '40/10=4'] Exploring Operation: 67*4=268, Resulting Numbers: [268] 268,71 unequal: No Solution Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,71 unequal: No Solution Exploring Operation: 67+4=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[40, 6, 61, 10], Operations: [] Exploring Operation: 6+61=67, Resulting Numbers: [40, 10, 67] Generated Node #0,4: 71:[40, 10, 67] Operation: 6+61=67 Moving to Node #0,4 Current State: 71:[40, 10, 67], Operations: ['6+61=67'] Exploring Operation: 40/10=4, Resulting Numbers: [67, 4] Generated Node #0,4,4: 71:[67, 4] Operation: 40/10=4 Moving to Node #0,4,4 Current State: 71:[67, 4], Operations: ['6+61=67', '40/10=4'] Exploring Operation: 67+4=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.953125
hs_5
sum_heuristic
[ 34, 35, 5, 7 ]
42
[ "35-34=1", "5+1=6", "7*6=42" ]
Current State: 42:[34, 35, 5, 7], Operations: [] Exploring Operation: 35-34=1, Resulting Numbers: [5, 7, 1] Generated Node #2: [5, 7, 1] from Operation: 35-34=1 Current State: 42:[5, 7, 1], Operations: ['35-34=1'] Exploring Operation: 5+1=6, Resulting Numbers: [7, 6] Generated Node #3: [7, 6] from Operation: 5+1=6 Current State: 42:[7, 6], Operations: ['35-34=1', '5+1=6'] Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[34, 35, 5, 7], Operations: [] Exploring Operation: 35-34=1, Resulting Numbers: [5, 7, 1] Generated Node #0,0: 42:[5, 7, 1] Operation: 35-34=1 Moving to Node #0,0 Current State: 42:[5, 7, 1], Operations: ['35-34=1'] Exploring Operation: 5+1=6, Resulting Numbers: [7, 6] Generated Node #0,0,0: 42:[7, 6] Operation: 5+1=6 Moving to Node #0,0,0 Current State: 42:[7, 6], Operations: ['35-34=1', '5+1=6'] Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[34, 35, 5, 7], Operations: [] Exploring Operation: 35-34=1, Resulting Numbers: [5, 7, 1] Generated Node #0,0: 42:[5, 7, 1] Operation: 35-34=1 Moving to Node #0,0 Current State: 42:[5, 7, 1], Operations: ['35-34=1'] Exploring Operation: 5+1=6, Resulting Numbers: [7, 6] Generated Node #0,0,0: 42:[7, 6] Operation: 5+1=6 Moving to Node #0,0,0 Current State: 42:[7, 6], Operations: ['35-34=1', '5+1=6'] Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 41, 19, 6, 59 ]
16
[ "59-41=18", "18/6=3", "19-3=16" ]
Current State: 16:[41, 19, 6, 59], Operations: [] Exploring Operation: 59-41=18, Resulting Numbers: [19, 6, 18] Generated Node #2: [19, 6, 18] from Operation: 59-41=18 Current State: 16:[19, 6, 18], Operations: ['59-41=18'] Exploring Operation: 18/6=3, Resulting Numbers: [19, 3] Generated Node #3: [19, 3] from Operation: 18/6=3 Current State: 16:[19, 3], Operations: ['59-41=18', '18/6=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[41, 19, 6, 59], Operations: [] Exploring Operation: 59-41=18, Resulting Numbers: [19, 6, 18] Generated Node #0,0: 16:[19, 6, 18] Operation: 59-41=18 Exploring Operation: 41-19=22, Resulting Numbers: [6, 59, 22] Generated Node #0,1: 16:[6, 59, 22] Operation: 41-19=22 Exploring Operation: 59-19=40, Resulting Numbers: [41, 6, 40] Generated Node #0,2: 16:[41, 6, 40] Operation: 59-19=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[19, 6, 18], Operations: ['59-41=18'] Exploring Operation: 19-6=13, Resulting Numbers: [18, 13] Generated Node #0,0,0: 16:[18, 13] Operation: 19-6=13 Exploring Operation: 18/6=3, Resulting Numbers: [19, 3] Generated Node #0,0,1: 16:[19, 3] Operation: 18/6=3 Exploring Operation: 19-18=1, Resulting Numbers: [6, 1] Generated Node #0,0,2: 16:[6, 1] Operation: 19-18=1 Moving to Node #0,0,2 Current State: 16:[6, 1], Operations: ['59-41=18', '19-18=1'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,16 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[19, 3], Operations: ['59-41=18', '18/6=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[41, 19, 6, 59], Operations: [] Exploring Operation: 59-41=18, Resulting Numbers: [19, 6, 18] Generated Node #0,0: 16:[19, 6, 18] Operation: 59-41=18 Moving to Node #0,0 Current State: 16:[19, 6, 18], Operations: ['59-41=18'] Exploring Operation: 18/6=3, Resulting Numbers: [19, 3] Generated Node #0,0,1: 16:[19, 3] Operation: 18/6=3 Moving to Node #0,0,1 Current State: 16:[19, 3], Operations: ['59-41=18', '18/6=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 58, 86, 39, 6 ]
73
[ "86-58=28", "39+6=45", "28+45=73" ]
Current State: 73:[58, 86, 39, 6], Operations: [] Exploring Operation: 86-58=28, Resulting Numbers: [39, 6, 28] Generated Node #2: [39, 6, 28] from Operation: 86-58=28 Current State: 73:[39, 6, 28], Operations: ['86-58=28'] Exploring Operation: 39+6=45, Resulting Numbers: [28, 45] Generated Node #3: [28, 45] from Operation: 39+6=45 Current State: 73:[28, 45], Operations: ['86-58=28', '39+6=45'] Exploring Operation: 28+45=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[58, 86, 39, 6], Operations: [] Exploring Operation: 58+6=64, Resulting Numbers: [86, 39, 64] Generated Node #0,0: 73:[86, 39, 64] Operation: 58+6=64 Exploring Operation: 39+6=45, Resulting Numbers: [58, 86, 45] Generated Node #0,1: 73:[58, 86, 45] Operation: 39+6=45 Exploring Operation: 86-6=80, Resulting Numbers: [58, 39, 80] Generated Node #0,2: 73:[58, 39, 80] Operation: 86-6=80 Moving to Node #0,0 Current State: 73:[86, 39, 64], Operations: ['58+6=64'] Exploring Operation: 39+64=103, Resulting Numbers: [86, 103] Generated Node #0,0,0: 73:[86, 103] Operation: 39+64=103 Exploring Operation: 86-39=47, Resulting Numbers: [64, 47] Generated Node #0,0,1: 73:[64, 47] Operation: 86-39=47 Exploring Operation: 86+39=125, Resulting Numbers: [64, 125] Generated Node #0,0,2: 73:[64, 125] Operation: 86+39=125 Moving to Node #0,1 Current State: 73:[58, 86, 45], Operations: ['39+6=45'] Exploring Operation: 86-45=41, Resulting Numbers: [58, 41] Generated Node #0,1,0: 73:[58, 41] Operation: 86-45=41 Exploring Operation: 86-58=28, Resulting Numbers: [45, 28] Generated Node #0,1,1: 73:[45, 28] Operation: 86-58=28 Exploring Operation: 58+45=103, Resulting Numbers: [86, 103] Generated Node #0,1,2: 73:[86, 103] Operation: 58+45=103 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 73:[86, 103], Operations: ['39+6=45', '58+45=103'] Exploring Operation: 86+103=189, Resulting Numbers: [189] 189,73 unequal: No Solution Exploring Operation: 86*103=8858, Resulting Numbers: [8858] 8858,73 unequal: No Solution Exploring Operation: 103-86=17, Resulting Numbers: [17] 17,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[58, 41], Operations: ['39+6=45', '86-45=41'] Exploring Operation: 58*41=2378, Resulting Numbers: [2378] 2378,73 unequal: No Solution Exploring Operation: 58+41=99, Resulting Numbers: [99] 99,73 unequal: No Solution Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[45, 28], Operations: ['39+6=45', '86-58=28'] Exploring Operation: 45+28=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[58, 86, 39, 6], Operations: [] Exploring Operation: 39+6=45, Resulting Numbers: [58, 86, 45] Generated Node #0,1: 73:[58, 86, 45] Operation: 39+6=45 Moving to Node #0,1 Current State: 73:[58, 86, 45], Operations: ['39+6=45'] Exploring Operation: 86-58=28, Resulting Numbers: [45, 28] Generated Node #0,1,1: 73:[45, 28] Operation: 86-58=28 Moving to Node #0,1,1 Current State: 73:[45, 28], Operations: ['39+6=45', '86-58=28'] Exploring Operation: 45+28=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_3
sum_heuristic
[ 60, 77, 54, 60 ]
23
[ "60+77=137", "54+60=114", "137-114=23" ]
Current State: 23:[60, 77, 54, 60], Operations: [] Exploring Operation: 60+77=137, Resulting Numbers: [54, 137] Generated Node #2: [54, 137] from Operation: 60+77=137 Current State: 23:[54, 137], Operations: ['60+77=137'] Exploring Operation: 54+60=114, Resulting Numbers: [137, 114] Generated Node #3: [137, 114] from Operation: 54+60=114 Current State: 23:[137, 114], Operations: ['60+77=137', '54+60=114'] Exploring Operation: 137-114=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[60, 77, 54, 60], Operations: [] Exploring Operation: 60/60=1, Resulting Numbers: [77, 54, 1] Generated Node #0,0: 23:[77, 54, 1] Operation: 60/60=1 Exploring Operation: 77-60=17, Resulting Numbers: [60, 54, 17] Generated Node #0,1: 23:[60, 54, 17] Operation: 77-60=17 Exploring Operation: 60-54=6, Resulting Numbers: [77, 60, 6] Generated Node #0,2: 23:[77, 60, 6] Operation: 60-54=6 Exploring Operation: 77-60=17, Resulting Numbers: [54, 60, 17] Generated Node #0,3: 23:[54, 60, 17] Operation: 77-60=17 Exploring Operation: 77-54=23, Resulting Numbers: [60, 60, 23] Generated Node #0,4: 23:[60, 60, 23] Operation: 77-54=23 Moving to Node #0,1 Current State: 23:[60, 54, 17], Operations: ['77-60=17'] Exploring Operation: 54+17=71, Resulting Numbers: [60, 71] Generated Node #0,1,0: 23:[60, 71] Operation: 54+17=71 Exploring Operation: 60-17=43, Resulting Numbers: [54, 43] Generated Node #0,1,1: 23:[54, 43] Operation: 60-17=43 Exploring Operation: 60-54=6, Resulting Numbers: [17, 6] Generated Node #0,1,2: 23:[17, 6] Operation: 60-54=6 Exploring Operation: 54-17=37, Resulting Numbers: [60, 37] Generated Node #0,1,3: 23:[60, 37] Operation: 54-17=37 Exploring Operation: 60+17=77, Resulting Numbers: [54, 77] Generated Node #0,1,4: 23:[54, 77] Operation: 60+17=77 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 23:[17, 6], Operations: ['77-60=17', '60-54=6'] Exploring Operation: 17*6=102, Resulting Numbers: [102] 102,23 unequal: No Solution Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[60, 77, 54, 60], Operations: [] Exploring Operation: 77-60=17, Resulting Numbers: [60, 54, 17] Generated Node #0,1: 23:[60, 54, 17] Operation: 77-60=17 Moving to Node #0,1 Current State: 23:[60, 54, 17], Operations: ['77-60=17'] Exploring Operation: 60-54=6, Resulting Numbers: [17, 6] Generated Node #0,1,2: 23:[17, 6] Operation: 60-54=6 Moving to Node #0,1,2 Current State: 23:[17, 6], Operations: ['77-60=17', '60-54=6'] Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 11, 2, 83, 26 ]
34
[ "11+83=94", "94-26=68", "68/2=34" ]
Current State: 34:[11, 2, 83, 26], Operations: [] Exploring Operation: 11+83=94, Resulting Numbers: [2, 26, 94] Generated Node #2: [2, 26, 94] from Operation: 11+83=94 Current State: 34:[2, 26, 94], Operations: ['11+83=94'] Exploring Operation: 94-26=68, Resulting Numbers: [2, 68] Generated Node #3: [2, 68] from Operation: 94-26=68 Current State: 34:[2, 68], Operations: ['11+83=94', '94-26=68'] Exploring Operation: 68/2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[11, 2, 83, 26], Operations: [] Exploring Operation: 83-26=57, Resulting Numbers: [11, 2, 57] Generated Node #0,0: 34:[11, 2, 57] Operation: 83-26=57 Exploring Operation: 83-11=72, Resulting Numbers: [2, 26, 72] Generated Node #0,1: 34:[2, 26, 72] Operation: 83-11=72 Exploring Operation: 26-11=15, Resulting Numbers: [2, 83, 15] Generated Node #0,2: 34:[2, 83, 15] Operation: 26-11=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[11, 2, 57], Operations: ['83-26=57'] Exploring Operation: 57-2=55, Resulting Numbers: [11, 55] Generated Node #0,0,0: 34:[11, 55] Operation: 57-2=55 Exploring Operation: 57-11=46, Resulting Numbers: [2, 46] Generated Node #0,0,1: 34:[2, 46] Operation: 57-11=46 Exploring Operation: 11+2=13, Resulting Numbers: [57, 13] Generated Node #0,0,2: 34:[57, 13] Operation: 11+2=13 Moving to Node #0,0,1 Current State: 34:[2, 46], Operations: ['83-26=57', '57-11=46'] Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,34 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,34 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[11, 55], Operations: ['83-26=57', '57-2=55'] Exploring Operation: 11+55=66, Resulting Numbers: [66] 66,34 unequal: No Solution Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,34 unequal: No Solution Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,34 unequal: No Solution Moving to Node #0,0,2 Current State: 34:[57, 13], Operations: ['83-26=57', '11+2=13'] Exploring Operation: 57+13=70, Resulting Numbers: [70] 70,34 unequal: No Solution Exploring Operation: 57*13=741, Resulting Numbers: [741] 741,34 unequal: No Solution Exploring Operation: 57-13=44, Resulting Numbers: [44] 44,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[2, 26, 72], Operations: ['83-11=72'] Exploring Operation: 72/2=36, Resulting Numbers: [26, 36] Generated Node #0,1,0: 34:[26, 36] Operation: 72/2=36 Exploring Operation: 26/2=13, Resulting Numbers: [72, 13] Generated Node #0,1,1: 34:[72, 13] Operation: 26/2=13 Exploring Operation: 72-26=46, Resulting Numbers: [2, 46] Generated Node #0,1,2: 34:[2, 46] Operation: 72-26=46 Moving to Node #0,1,0 Current State: 34:[26, 36], Operations: ['83-11=72', '72/2=36'] Exploring Operation: 26*36=936, Resulting Numbers: [936] 936,34 unequal: No Solution Exploring Operation: 26+36=62, Resulting Numbers: [62] 62,34 unequal: No Solution Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,34 unequal: No Solution Moving to Node #0,1,2 Current State: 34:[2, 46], Operations: ['83-11=72', '72-26=46'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,34 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,34 unequal: No Solution Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,34 unequal: No Solution Moving to Node #0,1,1 Current State: 34:[72, 13], Operations: ['83-11=72', '26/2=13'] Exploring Operation: 72*13=936, Resulting Numbers: [936] 936,34 unequal: No Solution Exploring Operation: 72+13=85, Resulting Numbers: [85] 85,34 unequal: No Solution Exploring Operation: 72-13=59, Resulting Numbers: [59] 59,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[2, 83, 15], Operations: ['26-11=15'] Exploring Operation: 83-15=68, Resulting Numbers: [2, 68] Generated Node #0,2,0: 34:[2, 68] Operation: 83-15=68 Exploring Operation: 2+15=17, Resulting Numbers: [83, 17] Generated Node #0,2,1: 34:[83, 17] Operation: 2+15=17 Exploring Operation: 83-2=81, Resulting Numbers: [15, 81] Generated Node #0,2,2: 34:[15, 81] Operation: 83-2=81 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 34:[2, 68], Operations: ['26-11=15', '83-15=68'] Exploring Operation: 68/2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[11, 2, 83, 26], Operations: [] Exploring Operation: 26-11=15, Resulting Numbers: [2, 83, 15] Generated Node #0,2: 34:[2, 83, 15] Operation: 26-11=15 Moving to Node #0,2 Current State: 34:[2, 83, 15], Operations: ['26-11=15'] Exploring Operation: 83-15=68, Resulting Numbers: [2, 68] Generated Node #0,2,0: 34:[2, 68] Operation: 83-15=68 Moving to Node #0,2,0 Current State: 34:[2, 68], Operations: ['26-11=15', '83-15=68'] Exploring Operation: 68/2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_3
sum_heuristic
[ 38, 57, 18, 25 ]
41
[ "57+18=75", "75/25=3", "38+3=41" ]
Current State: 41:[38, 57, 18, 25], Operations: [] Exploring Operation: 57+18=75, Resulting Numbers: [38, 25, 75] Generated Node #2: [38, 25, 75] from Operation: 57+18=75 Current State: 41:[38, 25, 75], Operations: ['57+18=75'] Exploring Operation: 75/25=3, Resulting Numbers: [38, 3] Generated Node #3: [38, 3] from Operation: 75/25=3 Current State: 41:[38, 3], Operations: ['57+18=75', '75/25=3'] Exploring Operation: 38+3=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[38, 57, 18, 25], Operations: [] Exploring Operation: 57-18=39, Resulting Numbers: [38, 25, 39] Generated Node #0,0: 41:[38, 25, 39] Operation: 57-18=39 Exploring Operation: 18+25=43, Resulting Numbers: [38, 57, 43] Generated Node #0,1: 41:[38, 57, 43] Operation: 18+25=43 Moving to Node #0,0 Current State: 41:[38, 25, 39], Operations: ['57-18=39'] Exploring Operation: 25+39=64, Resulting Numbers: [38, 64] Generated Node #0,0,0: 41:[38, 64] Operation: 25+39=64 Exploring Operation: 38+25=63, Resulting Numbers: [39, 63] Generated Node #0,0,1: 41:[39, 63] Operation: 38+25=63 Moving to Node #0,1 Current State: 41:[38, 57, 43], Operations: ['18+25=43'] Exploring Operation: 57-43=14, Resulting Numbers: [38, 14] Generated Node #0,1,0: 41:[38, 14] Operation: 57-43=14 Exploring Operation: 57-38=19, Resulting Numbers: [43, 19] Generated Node #0,1,1: 41:[43, 19] Operation: 57-38=19 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[43, 19], Operations: ['18+25=43', '57-38=19'] Exploring Operation: 43+19=62, Resulting Numbers: [62] 62,41 unequal: No Solution Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[38, 14], Operations: ['18+25=43', '57-43=14'] Exploring Operation: 38+14=52, Resulting Numbers: [52] 52,41 unequal: No Solution Exploring Operation: 38-14=24, Resulting Numbers: [24] 24,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 41:[39, 63], Operations: ['57-18=39', '38+25=63'] Exploring Operation: 39+63=102, Resulting Numbers: [102] 102,41 unequal: No Solution Exploring Operation: 63-39=24, Resulting Numbers: [24] 24,41 unequal: No Solution Moving to Node #0,0,0 Current State: 41:[38, 64], Operations: ['57-18=39', '25+39=64'] Exploring Operation: 38+64=102, Resulting Numbers: [102] 102,41 unequal: No Solution Exploring Operation: 64-38=26, Resulting Numbers: [26] 26,41 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 2, 78, 15, 39 ]
27
[ "78+15=93", "93-39=54", "54/2=27" ]
Current State: 27:[2, 78, 15, 39], Operations: [] Exploring Operation: 78+15=93, Resulting Numbers: [2, 39, 93] Generated Node #2: [2, 39, 93] from Operation: 78+15=93 Current State: 27:[2, 39, 93], Operations: ['78+15=93'] Exploring Operation: 93-39=54, Resulting Numbers: [2, 54] Generated Node #3: [2, 54] from Operation: 93-39=54 Current State: 27:[2, 54], Operations: ['78+15=93', '93-39=54'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[2, 78, 15, 39], Operations: [] Exploring Operation: 78/39=2, Resulting Numbers: [2, 15, 2] Generated Node #0,0: 27:[2, 15, 2] Operation: 78/39=2 Exploring Operation: 78-39=39, Resulting Numbers: [2, 15, 39] Generated Node #0,1: 27:[2, 15, 39] Operation: 78-39=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[2, 15, 2], Operations: ['78/39=2'] Exploring Operation: 15*2=30, Resulting Numbers: [2, 30] Generated Node #0,0,0: 27:[2, 30] Operation: 15*2=30 Exploring Operation: 2*15=30, Resulting Numbers: [2, 30] Generated Node #0,0,1: 27:[2, 30] Operation: 2*15=30 Moving to Node #0,0,0 Current State: 27:[2, 30], Operations: ['78/39=2', '15*2=30'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,27 unequal: No Solution Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,27 unequal: No Solution Moving to Node #0,0,1 Current State: 27:[2, 30], Operations: ['78/39=2', '2*15=30'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,27 unequal: No Solution Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[2, 15, 39], Operations: ['78-39=39'] Exploring Operation: 2*15=30, Resulting Numbers: [39, 30] Generated Node #0,1,0: 27:[39, 30] Operation: 2*15=30 Exploring Operation: 39-15=24, Resulting Numbers: [2, 24] Generated Node #0,1,1: 27:[2, 24] Operation: 39-15=24 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 27:[2, 24], Operations: ['78-39=39', '39-15=24'] Exploring Operation: 2+24=26, Resulting Numbers: [26] 26,27 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 27:[39, 30], Operations: ['78-39=39', '2*15=30'] Exploring Operation: 39+30=69, Resulting Numbers: [69] 69,27 unequal: No Solution Exploring Operation: 39-30=9, Resulting Numbers: [9] 9,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 3, 65, 35, 70 ]
90
[ "3*65=195", "35+70=105", "195-105=90" ]
Current State: 90:[3, 65, 35, 70], Operations: [] Exploring Operation: 3*65=195, Resulting Numbers: [35, 70, 195] Generated Node #2: [35, 70, 195] from Operation: 3*65=195 Current State: 90:[35, 70, 195], Operations: ['3*65=195'] Exploring Operation: 35+70=105, Resulting Numbers: [195, 105] Generated Node #3: [195, 105] from Operation: 35+70=105 Current State: 90:[195, 105], Operations: ['3*65=195', '35+70=105'] Exploring Operation: 195-105=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[3, 65, 35, 70], Operations: [] Exploring Operation: 65+35=100, Resulting Numbers: [3, 70, 100] Generated Node #0,0: 90:[3, 70, 100] Operation: 65+35=100 Exploring Operation: 70-65=5, Resulting Numbers: [3, 35, 5] Generated Node #0,1: 90:[3, 35, 5] Operation: 70-65=5 Exploring Operation: 70/35=2, Resulting Numbers: [3, 65, 2] Generated Node #0,2: 90:[3, 65, 2] Operation: 70/35=2 Exploring Operation: 70-35=35, Resulting Numbers: [3, 65, 35] Generated Node #0,3: 90:[3, 65, 35] Operation: 70-35=35 Exploring Operation: 65-35=30, Resulting Numbers: [3, 70, 30] Generated Node #0,4: 90:[3, 70, 30] Operation: 65-35=30 Moving to Node #0,1 Current State: 90:[3, 35, 5], Operations: ['70-65=5'] Exploring Operation: 35/5=7, Resulting Numbers: [3, 7] Generated Node #0,1,0: 90:[3, 7] Operation: 35/5=7 Exploring Operation: 3*5=15, Resulting Numbers: [35, 15] Generated Node #0,1,1: 90:[35, 15] Operation: 3*5=15 Exploring Operation: 35-3=32, Resulting Numbers: [5, 32] Generated Node #0,1,2: 90:[5, 32] Operation: 35-3=32 Exploring Operation: 5-3=2, Resulting Numbers: [35, 2] Generated Node #0,1,3: 90:[35, 2] Operation: 5-3=2 Exploring Operation: 35-5=30, Resulting Numbers: [3, 30] Generated Node #0,1,4: 90:[3, 30] Operation: 35-5=30 Moving to Node #0,4 Current State: 90:[3, 70, 30], Operations: ['65-35=30'] Exploring Operation: 70+30=100, Resulting Numbers: [3, 100] Generated Node #0,4,0: 90:[3, 100] Operation: 70+30=100 Exploring Operation: 3*30=90, Resulting Numbers: [70, 90] Generated Node #0,4,1: 90:[70, 90] Operation: 3*30=90 Exploring Operation: 30/3=10, Resulting Numbers: [70, 10] Generated Node #0,4,2: 90:[70, 10] Operation: 30/3=10 Exploring Operation: 70-30=40, Resulting Numbers: [3, 40] Generated Node #0,4,3: 90:[3, 40] Operation: 70-30=40 Exploring Operation: 3+70=73, Resulting Numbers: [30, 73] Generated Node #0,4,4: 90:[30, 73] Operation: 3+70=73 Moving to Node #0,2 Current State: 90:[3, 65, 2], Operations: ['70/35=2'] Exploring Operation: 3*2=6, Resulting Numbers: [65, 6] Generated Node #0,2,0: 90:[65, 6] Operation: 3*2=6 Exploring Operation: 3-2=1, Resulting Numbers: [65, 1] Generated Node #0,2,1: 90:[65, 1] Operation: 3-2=1 Exploring Operation: 3+2=5, Resulting Numbers: [65, 5] Generated Node #0,2,2: 90:[65, 5] Operation: 3+2=5 Exploring Operation: 65-2=63, Resulting Numbers: [3, 63] Generated Node #0,2,3: 90:[3, 63] Operation: 65-2=63 Exploring Operation: 65-3=62, Resulting Numbers: [2, 62] Generated Node #0,2,4: 90:[2, 62] Operation: 65-3=62 Moving to Node #0,3 Current State: 90:[3, 65, 35], Operations: ['70-35=35'] Exploring Operation: 65+35=100, Resulting Numbers: [3, 100] Generated Node #0,3,0: 90:[3, 100] Operation: 65+35=100 Exploring Operation: 65-35=30, Resulting Numbers: [3, 30] Generated Node #0,3,1: 90:[3, 30] Operation: 65-35=30 Exploring Operation: 35-3=32, Resulting Numbers: [65, 32] Generated Node #0,3,2: 90:[65, 32] Operation: 35-3=32 Exploring Operation: 65-3=62, Resulting Numbers: [35, 62] Generated Node #0,3,3: 90:[35, 62] Operation: 65-3=62 Exploring Operation: 3+65=68, Resulting Numbers: [35, 68] Generated Node #0,3,4: 90:[35, 68] Operation: 3+65=68 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 90:[3, 30], Operations: ['70-35=35', '65-35=30'] Exploring Operation: 3*30=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[3, 65, 35, 70], Operations: [] Exploring Operation: 70-35=35, Resulting Numbers: [3, 65, 35] Generated Node #0,3: 90:[3, 65, 35] Operation: 70-35=35 Moving to Node #0,3 Current State: 90:[3, 65, 35], Operations: ['70-35=35'] Exploring Operation: 65-35=30, Resulting Numbers: [3, 30] Generated Node #0,3,1: 90:[3, 30] Operation: 65-35=30 Moving to Node #0,3,1 Current State: 90:[3, 30], Operations: ['70-35=35', '65-35=30'] Exploring Operation: 3*30=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_5
mult_heuristic
[ 81, 52, 14, 60 ]
17
[ "81-52=29", "60-14=46", "46-29=17" ]
Current State: 17:[81, 52, 14, 60], Operations: [] Exploring Operation: 81-52=29, Resulting Numbers: [14, 60, 29] Generated Node #2: [14, 60, 29] from Operation: 81-52=29 Current State: 17:[14, 60, 29], Operations: ['81-52=29'] Exploring Operation: 60-14=46, Resulting Numbers: [29, 46] Generated Node #3: [29, 46] from Operation: 60-14=46 Current State: 17:[29, 46], Operations: ['81-52=29', '60-14=46'] Exploring Operation: 46-29=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[81, 52, 14, 60], Operations: [] Exploring Operation: 81-60=21, Resulting Numbers: [52, 14, 21] Generated Node #0,0: 17:[52, 14, 21] Operation: 81-60=21 Moving to Node #0,0 Current State: 17:[52, 14, 21], Operations: ['81-60=21'] Exploring Operation: 52-21=31, Resulting Numbers: [14, 31] Generated Node #0,0,0: 17:[14, 31] Operation: 52-21=31 Moving to Node #0,0,0 Current State: 17:[14, 31], Operations: ['81-60=21', '52-21=31'] Exploring Operation: 31-14=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[81, 52, 14, 60], Operations: [] Exploring Operation: 81-60=21, Resulting Numbers: [52, 14, 21] Generated Node #0,0: 17:[52, 14, 21] Operation: 81-60=21 Moving to Node #0,0 Current State: 17:[52, 14, 21], Operations: ['81-60=21'] Exploring Operation: 52-21=31, Resulting Numbers: [14, 31] Generated Node #0,0,0: 17:[14, 31] Operation: 52-21=31 Moving to Node #0,0,0 Current State: 17:[14, 31], Operations: ['81-60=21', '52-21=31'] Exploring Operation: 31-14=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 3, 96, 31, 8 ]
11
[ "96-3=93", "93/31=3", "8+3=11" ]
Current State: 11:[3, 96, 31, 8], Operations: [] Exploring Operation: 96-3=93, Resulting Numbers: [31, 8, 93] Generated Node #2: [31, 8, 93] from Operation: 96-3=93 Current State: 11:[31, 8, 93], Operations: ['96-3=93'] Exploring Operation: 93/31=3, Resulting Numbers: [8, 3] Generated Node #3: [8, 3] from Operation: 93/31=3 Current State: 11:[8, 3], Operations: ['96-3=93', '93/31=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[3, 96, 31, 8], Operations: [] Exploring Operation: 96/3=32, Resulting Numbers: [31, 8, 32] Generated Node #0,0: 11:[31, 8, 32] Operation: 96/3=32 Exploring Operation: 96/8=12, Resulting Numbers: [3, 31, 12] Generated Node #0,1: 11:[3, 31, 12] Operation: 96/8=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[3, 31, 12], Operations: ['96/8=12'] Exploring Operation: 31-3=28, Resulting Numbers: [12, 28] Generated Node #0,1,0: 11:[12, 28] Operation: 31-3=28 Exploring Operation: 31-12=19, Resulting Numbers: [3, 19] Generated Node #0,1,1: 11:[3, 19] Operation: 31-12=19 Moving to Node #0,1,1 Current State: 11:[3, 19], Operations: ['96/8=12', '31-12=19'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,11 unequal: No Solution Moving to Node #0,1,0 Current State: 11:[12, 28], Operations: ['96/8=12', '31-3=28'] Exploring Operation: 12+28=40, Resulting Numbers: [40] 40,11 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[31, 8, 32], Operations: ['96/3=32'] Exploring Operation: 32/8=4, Resulting Numbers: [31, 4] Generated Node #0,0,0: 11:[31, 4] Operation: 32/8=4 Exploring Operation: 32-31=1, Resulting Numbers: [8, 1] Generated Node #0,0,1: 11:[8, 1] Operation: 32-31=1 Moving to Node #0,0,1 Current State: 11:[8, 1], Operations: ['96/3=32', '32-31=1'] Exploring Operation: 8+1=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,11 unequal: No Solution Moving to Node #0,0,0 Current State: 11:[31, 4], Operations: ['96/3=32', '32/8=4'] Exploring Operation: 31+4=35, Resulting Numbers: [35] 35,11 unequal: No Solution Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 51, 44, 51, 55 ]
11
[ "51+44=95", "51+55=106", "106-95=11" ]
Current State: 11:[51, 44, 51, 55], Operations: [] Exploring Operation: 51+44=95, Resulting Numbers: [55, 95] Generated Node #2: [55, 95] from Operation: 51+44=95 Current State: 11:[55, 95], Operations: ['51+44=95'] Exploring Operation: 51+55=106, Resulting Numbers: [95, 106] Generated Node #3: [95, 106] from Operation: 51+55=106 Current State: 11:[95, 106], Operations: ['51+44=95', '51+55=106'] Exploring Operation: 106-95=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[51, 44, 51, 55], Operations: [] Exploring Operation: 55-51=4, Resulting Numbers: [44, 51, 4] Generated Node #0,0: 11:[44, 51, 4] Operation: 55-51=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[44, 51, 4], Operations: ['55-51=4'] Exploring Operation: 51-44=7, Resulting Numbers: [4, 7] Generated Node #0,0,0: 11:[4, 7] Operation: 51-44=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 11:[4, 7], Operations: ['55-51=4', '51-44=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[51, 44, 51, 55], Operations: [] Exploring Operation: 55-51=4, Resulting Numbers: [44, 51, 4] Generated Node #0,0: 11:[44, 51, 4] Operation: 55-51=4 Moving to Node #0,0 Current State: 11:[44, 51, 4], Operations: ['55-51=4'] Exploring Operation: 51-44=7, Resulting Numbers: [4, 7] Generated Node #0,0,0: 11:[4, 7] Operation: 51-44=7 Moving to Node #0,0,0 Current State: 11:[4, 7], Operations: ['55-51=4', '51-44=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 42, 11, 48, 52 ]
62
[ "52-42=10", "11*10=110", "110-48=62" ]
Current State: 62:[42, 11, 48, 52], Operations: [] Exploring Operation: 52-42=10, Resulting Numbers: [11, 48, 10] Generated Node #2: [11, 48, 10] from Operation: 52-42=10 Current State: 62:[11, 48, 10], Operations: ['52-42=10'] Exploring Operation: 11*10=110, Resulting Numbers: [48, 110] Generated Node #3: [48, 110] from Operation: 11*10=110 Current State: 62:[48, 110], Operations: ['52-42=10', '11*10=110'] Exploring Operation: 110-48=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[42, 11, 48, 52], Operations: [] Exploring Operation: 52-48=4, Resulting Numbers: [42, 11, 4] Generated Node #0,0: 62:[42, 11, 4] Operation: 52-48=4 Exploring Operation: 11+48=59, Resulting Numbers: [42, 52, 59] Generated Node #0,1: 62:[42, 52, 59] Operation: 11+48=59 Exploring Operation: 11+52=63, Resulting Numbers: [42, 48, 63] Generated Node #0,2: 62:[42, 48, 63] Operation: 11+52=63 Exploring Operation: 42-11=31, Resulting Numbers: [48, 52, 31] Generated Node #0,3: 62:[48, 52, 31] Operation: 42-11=31 Exploring Operation: 48-42=6, Resulting Numbers: [11, 52, 6] Generated Node #0,4: 62:[11, 52, 6] Operation: 48-42=6 Moving to Node #0,0 Current State: 62:[42, 11, 4], Operations: ['52-48=4'] Exploring Operation: 11-4=7, Resulting Numbers: [42, 7] Generated Node #0,0,0: 62:[42, 7] Operation: 11-4=7 Exploring Operation: 42-4=38, Resulting Numbers: [11, 38] Generated Node #0,0,1: 62:[11, 38] Operation: 42-4=38 Exploring Operation: 42+11=53, Resulting Numbers: [4, 53] Generated Node #0,0,2: 62:[4, 53] Operation: 42+11=53 Exploring Operation: 42-11=31, Resulting Numbers: [4, 31] Generated Node #0,0,3: 62:[4, 31] Operation: 42-11=31 Exploring Operation: 42+4=46, Resulting Numbers: [11, 46] Generated Node #0,0,4: 62:[11, 46] Operation: 42+4=46 Moving to Node #0,4 Current State: 62:[11, 52, 6], Operations: ['48-42=6'] Exploring Operation: 52+6=58, Resulting Numbers: [11, 58] Generated Node #0,4,0: 62:[11, 58] Operation: 52+6=58 Exploring Operation: 52-11=41, Resulting Numbers: [6, 41] Generated Node #0,4,1: 62:[6, 41] Operation: 52-11=41 Exploring Operation: 11*6=66, Resulting Numbers: [52, 66] Generated Node #0,4,2: 62:[52, 66] Operation: 11*6=66 Exploring Operation: 11+52=63, Resulting Numbers: [6, 63] Generated Node #0,4,3: 62:[6, 63] Operation: 11+52=63 Exploring Operation: 11-6=5, Resulting Numbers: [52, 5] Generated Node #0,4,4: 62:[52, 5] Operation: 11-6=5 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 62:[6, 63], Operations: ['48-42=6', '11+52=63'] Exploring Operation: 6*63=378, Resulting Numbers: [378] 378,62 unequal: No Solution Exploring Operation: 6+63=69, Resulting Numbers: [69] 69,62 unequal: No Solution Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 62:[11, 58], Operations: ['48-42=6', '52+6=58'] Exploring Operation: 11*58=638, Resulting Numbers: [638] 638,62 unequal: No Solution Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,62 unequal: No Solution Exploring Operation: 11+58=69, Resulting Numbers: [69] 69,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 62:[52, 5], Operations: ['48-42=6', '11-6=5'] Exploring Operation: 52+5=57, Resulting Numbers: [57] 57,62 unequal: No Solution Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,62 unequal: No Solution Exploring Operation: 52*5=260, Resulting Numbers: [260] 260,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 62:[6, 41], Operations: ['48-42=6', '52-11=41'] Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,62 unequal: No Solution Exploring Operation: 6*41=246, Resulting Numbers: [246] 246,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 62:[52, 66], Operations: ['48-42=6', '11*6=66'] Exploring Operation: 52*66=3432, Resulting Numbers: [3432] 3432,62 unequal: No Solution Exploring Operation: 52+66=118, Resulting Numbers: [118] 118,62 unequal: No Solution Exploring Operation: 66-52=14, Resulting Numbers: [14] 14,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 62:[42, 52, 59], Operations: ['11+48=59'] Exploring Operation: 59-42=17, Resulting Numbers: [52, 17] Generated Node #0,1,0: 62:[52, 17] Operation: 59-42=17 Exploring Operation: 42+59=101, Resulting Numbers: [52, 101] Generated Node #0,1,1: 62:[52, 101] Operation: 42+59=101 Exploring Operation: 42+52=94, Resulting Numbers: [59, 94] Generated Node #0,1,2: 62:[59, 94] Operation: 42+52=94 Exploring Operation: 59-52=7, Resulting Numbers: [42, 7] Generated Node #0,1,3: 62:[42, 7] Operation: 59-52=7 Exploring Operation: 52-42=10, Resulting Numbers: [59, 10] Generated Node #0,1,4: 62:[59, 10] Operation: 52-42=10 Moving to Node #0,3 Current State: 62:[48, 52, 31], Operations: ['42-11=31'] Exploring Operation: 52-31=21, Resulting Numbers: [48, 21] Generated Node #0,3,0: 62:[48, 21] Operation: 52-31=21 Exploring Operation: 48-31=17, Resulting Numbers: [52, 17] Generated Node #0,3,1: 62:[52, 17] Operation: 48-31=17 Exploring Operation: 52+31=83, Resulting Numbers: [48, 83] Generated Node #0,3,2: 62:[48, 83] Operation: 52+31=83 Exploring Operation: 48+31=79, Resulting Numbers: [52, 79] Generated Node #0,3,3: 62:[52, 79] Operation: 48+31=79 Exploring Operation: 52-48=4, Resulting Numbers: [31, 4] Generated Node #0,3,4: 62:[31, 4] Operation: 52-48=4 Moving to Node #0,2 Current State: 62:[42, 48, 63], Operations: ['11+52=63'] Exploring Operation: 48-42=6, Resulting Numbers: [63, 6] Generated Node #0,2,0: 62:[63, 6] Operation: 48-42=6 Exploring Operation: 42+48=90, Resulting Numbers: [63, 90] Generated Node #0,2,1: 62:[63, 90] Operation: 42+48=90 Exploring Operation: 63-42=21, Resulting Numbers: [48, 21] Generated Node #0,2,2: 62:[48, 21] Operation: 63-42=21 Exploring Operation: 63-48=15, Resulting Numbers: [42, 15] Generated Node #0,2,3: 62:[42, 15] Operation: 63-48=15 Exploring Operation: 42+63=105, Resulting Numbers: [48, 105] Generated Node #0,2,4: 62:[48, 105] Operation: 42+63=105 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 62:[63, 6], Operations: ['11+52=63', '48-42=6'] Exploring Operation: 63+6=69, Resulting Numbers: [69] 69,62 unequal: No Solution Exploring Operation: 63*6=378, Resulting Numbers: [378] 378,62 unequal: No Solution Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 62:[48, 21], Operations: ['11+52=63', '63-42=21'] Exploring Operation: 48+21=69, Resulting Numbers: [69] 69,62 unequal: No Solution Exploring Operation: 48*21=1008, Resulting Numbers: [1008] 1008,62 unequal: No Solution Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 62:[42, 15], Operations: ['11+52=63', '63-48=15'] Exploring Operation: 42-15=27, Resulting Numbers: [27] 27,62 unequal: No Solution Exploring Operation: 42+15=57, Resulting Numbers: [57] 57,62 unequal: No Solution Exploring Operation: 42*15=630, Resulting Numbers: [630] 630,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 62:[63, 90], Operations: ['11+52=63', '42+48=90'] Exploring Operation: 63+90=153, Resulting Numbers: [153] 153,62 unequal: No Solution Exploring Operation: 90-63=27, Resulting Numbers: [27] 27,62 unequal: No Solution Exploring Operation: 63*90=5670, Resulting Numbers: [5670] 5670,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 62:[48, 105], Operations: ['11+52=63', '42+63=105'] Exploring Operation: 48+105=153, Resulting Numbers: [153] 153,62 unequal: No Solution Exploring Operation: 105-48=57, Resulting Numbers: [57] 57,62 unequal: No Solution Exploring Operation: 48*105=5040, Resulting Numbers: [5040] 5040,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 62:[4, 31], Operations: ['52-48=4', '42-11=31'] Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,62 unequal: No Solution Exploring Operation: 4*31=124, Resulting Numbers: [124] 124,62 unequal: No Solution Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,62 unequal: No Solution Moving to Node #0,3,4 Current State: 62:[31, 4], Operations: ['42-11=31', '52-48=4'] Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,62 unequal: No Solution Exploring Operation: 31*4=124, Resulting Numbers: [124] 124,62 unequal: No Solution Exploring Operation: 31+4=35, Resulting Numbers: [35] 35,62 unequal: No Solution Moving to Node #0,1,4 Current State: 62:[59, 10], Operations: ['11+48=59', '52-42=10'] Exploring Operation: 59*10=590, Resulting Numbers: [590] 590,62 unequal: No Solution Exploring Operation: 59-10=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 59+10=69, Resulting Numbers: [69] 69,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[4, 53], Operations: ['52-48=4', '42+11=53'] Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 4*53=212, Resulting Numbers: [212] 212,62 unequal: No Solution Exploring Operation: 4+53=57, Resulting Numbers: [57] 57,62 unequal: No Solution Moving to Node #0,1,3 Current State: 62:[42, 7], Operations: ['11+48=59', '59-52=7'] Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,62 unequal: No Solution Exploring Operation: 42+7=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 42*7=294, Resulting Numbers: [294] 294,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[42, 7], Operations: ['52-48=4', '11-4=7'] Exploring Operation: 42+7=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 42*7=294, Resulting Numbers: [294] 294,62 unequal: No Solution Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[11, 38], Operations: ['52-48=4', '42-4=38'] Exploring Operation: 11+38=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,62 unequal: No Solution Exploring Operation: 11*38=418, Resulting Numbers: [418] 418,62 unequal: No Solution Moving to Node #0,3,0 Current State: 62:[48, 21], Operations: ['42-11=31', '52-31=21'] Exploring Operation: 48*21=1008, Resulting Numbers: [1008] 1008,62 unequal: No Solution Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,62 unequal: No Solution Exploring Operation: 48+21=69, Resulting Numbers: [69] 69,62 unequal: No Solution Moving to Node #0,0,4 Current State: 62:[11, 46], Operations: ['52-48=4', '42+4=46'] Exploring Operation: 11*46=506, Resulting Numbers: [506] 506,62 unequal: No Solution Exploring Operation: 46-11=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 11+46=57, Resulting Numbers: [57] 57,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[52, 17], Operations: ['11+48=59', '59-42=17'] Exploring Operation: 52+17=69, Resulting Numbers: [69] 69,62 unequal: No Solution Exploring Operation: 52-17=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 52*17=884, Resulting Numbers: [884] 884,62 unequal: No Solution Moving to Node #0,3,1 Current State: 62:[52, 17], Operations: ['42-11=31', '48-31=17'] Exploring Operation: 52*17=884, Resulting Numbers: [884] 884,62 unequal: No Solution Exploring Operation: 52+17=69, Resulting Numbers: [69] 69,62 unequal: No Solution Exploring Operation: 52-17=35, Resulting Numbers: [35] 35,62 unequal: No Solution Moving to Node #0,3,3 Current State: 62:[52, 79], Operations: ['42-11=31', '48+31=79'] Exploring Operation: 79-52=27, Resulting Numbers: [27] 27,62 unequal: No Solution Exploring Operation: 52+79=131, Resulting Numbers: [131] 131,62 unequal: No Solution Exploring Operation: 52*79=4108, Resulting Numbers: [4108] 4108,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[59, 94], Operations: ['11+48=59', '42+52=94'] Exploring Operation: 59+94=153, Resulting Numbers: [153] 153,62 unequal: No Solution Exploring Operation: 94-59=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 59*94=5546, Resulting Numbers: [5546] 5546,62 unequal: No Solution Moving to Node #0,3,2 Current State: 62:[48, 83], Operations: ['42-11=31', '52+31=83'] Exploring Operation: 48*83=3984, Resulting Numbers: [3984] 3984,62 unequal: No Solution Exploring Operation: 83-48=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 48+83=131, Resulting Numbers: [131] 131,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[52, 101], Operations: ['11+48=59', '42+59=101'] Exploring Operation: 101-52=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 52*101=5252, Resulting Numbers: [5252] 5252,62 unequal: No Solution Exploring Operation: 52+101=153, Resulting Numbers: [153] 153,62 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 14, 57, 4, 9 ]
26
[ "57-9=48", "48/4=12", "14+12=26" ]
Current State: 26:[14, 57, 4, 9], Operations: [] Exploring Operation: 57-9=48, Resulting Numbers: [14, 4, 48] Generated Node #2: [14, 4, 48] from Operation: 57-9=48 Current State: 26:[14, 4, 48], Operations: ['57-9=48'] Exploring Operation: 48/4=12, Resulting Numbers: [14, 12] Generated Node #3: [14, 12] from Operation: 48/4=12 Current State: 26:[14, 12], Operations: ['57-9=48', '48/4=12'] Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[14, 57, 4, 9], Operations: [] Exploring Operation: 57-9=48, Resulting Numbers: [14, 4, 48] Generated Node #0,0: 26:[14, 4, 48] Operation: 57-9=48 Exploring Operation: 57-14=43, Resulting Numbers: [4, 9, 43] Generated Node #0,1: 26:[4, 9, 43] Operation: 57-14=43 Moving to Node #0,1 Current State: 26:[4, 9, 43], Operations: ['57-14=43'] Exploring Operation: 43-9=34, Resulting Numbers: [4, 34] Generated Node #0,1,0: 26:[4, 34] Operation: 43-9=34 Exploring Operation: 4+9=13, Resulting Numbers: [43, 13] Generated Node #0,1,1: 26:[43, 13] Operation: 4+9=13 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[4, 34], Operations: ['57-14=43', '43-9=34'] Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 26:[43, 13], Operations: ['57-14=43', '4+9=13'] Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 43+13=56, Resulting Numbers: [56] 56,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 26:[14, 4, 48], Operations: ['57-9=48'] Exploring Operation: 48-14=34, Resulting Numbers: [4, 34] Generated Node #0,0,0: 26:[4, 34] Operation: 48-14=34 Exploring Operation: 48/4=12, Resulting Numbers: [14, 12] Generated Node #0,0,1: 26:[14, 12] Operation: 48/4=12 Moving to Node #0,0,1 Current State: 26:[14, 12], Operations: ['57-9=48', '48/4=12'] Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[14, 57, 4, 9], Operations: [] Exploring Operation: 57-9=48, Resulting Numbers: [14, 4, 48] Generated Node #0,0: 26:[14, 4, 48] Operation: 57-9=48 Moving to Node #0,0 Current State: 26:[14, 4, 48], Operations: ['57-9=48'] Exploring Operation: 48/4=12, Resulting Numbers: [14, 12] Generated Node #0,0,1: 26:[14, 12] Operation: 48/4=12 Moving to Node #0,0,1 Current State: 26:[14, 12], Operations: ['57-9=48', '48/4=12'] Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 71, 15, 58, 45 ]
13
[ "71+45=116", "116/58=2", "15-2=13" ]
Current State: 13:[71, 15, 58, 45], Operations: [] Exploring Operation: 71+45=116, Resulting Numbers: [15, 58, 116] Generated Node #2: [15, 58, 116] from Operation: 71+45=116 Current State: 13:[15, 58, 116], Operations: ['71+45=116'] Exploring Operation: 116/58=2, Resulting Numbers: [15, 2] Generated Node #3: [15, 2] from Operation: 116/58=2 Current State: 13:[15, 2], Operations: ['71+45=116', '116/58=2'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[71, 15, 58, 45], Operations: [] Exploring Operation: 71-58=13, Resulting Numbers: [15, 45, 13] Generated Node #0,0: 13:[15, 45, 13] Operation: 71-58=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[15, 45, 13], Operations: ['71-58=13'] Exploring Operation: 45/15=3, Resulting Numbers: [13, 3] Generated Node #0,0,0: 13:[13, 3] Operation: 45/15=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[13, 3], Operations: ['71-58=13', '45/15=3'] Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 5, 25, 27, 15 ]
83
[ "5*25=125", "27+15=42", "125-42=83" ]
Current State: 83:[5, 25, 27, 15], Operations: [] Exploring Operation: 5*25=125, Resulting Numbers: [27, 15, 125] Generated Node #2: [27, 15, 125] from Operation: 5*25=125 Current State: 83:[27, 15, 125], Operations: ['5*25=125'] Exploring Operation: 27+15=42, Resulting Numbers: [125, 42] Generated Node #3: [125, 42] from Operation: 27+15=42 Current State: 83:[125, 42], Operations: ['5*25=125', '27+15=42'] Exploring Operation: 125-42=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[5, 25, 27, 15], Operations: [] Exploring Operation: 5+25=30, Resulting Numbers: [27, 15, 30] Generated Node #0,0: 83:[27, 15, 30] Operation: 5+25=30 Exploring Operation: 5*15=75, Resulting Numbers: [25, 27, 75] Generated Node #0,1: 83:[25, 27, 75] Operation: 5*15=75 Exploring Operation: 5+27=32, Resulting Numbers: [25, 15, 32] Generated Node #0,2: 83:[25, 15, 32] Operation: 5+27=32 Exploring Operation: 5*25=125, Resulting Numbers: [27, 15, 125] Generated Node #0,3: 83:[27, 15, 125] Operation: 5*25=125 Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[25, 27, 75], Operations: ['5*15=75'] Exploring Operation: 27-25=2, Resulting Numbers: [75, 2] Generated Node #0,1,0: 83:[75, 2] Operation: 27-25=2 Exploring Operation: 27+75=102, Resulting Numbers: [25, 102] Generated Node #0,1,1: 83:[25, 102] Operation: 27+75=102 Exploring Operation: 25+27=52, Resulting Numbers: [75, 52] Generated Node #0,1,2: 83:[75, 52] Operation: 25+27=52 Exploring Operation: 25+75=100, Resulting Numbers: [27, 100] Generated Node #0,1,3: 83:[27, 100] Operation: 25+75=100 Moving to Node #0,1,2 Current State: 83:[75, 52], Operations: ['5*15=75', '25+27=52'] Exploring Operation: 75+52=127, Resulting Numbers: [127] 127,83 unequal: No Solution Exploring Operation: 75-52=23, Resulting Numbers: [23] 23,83 unequal: No Solution Exploring Operation: 75*52=3900, Resulting Numbers: [3900] 3900,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[27, 100], Operations: ['5*15=75', '25+75=100'] Exploring Operation: 27*100=2700, Resulting Numbers: [2700] 2700,83 unequal: No Solution Exploring Operation: 27+100=127, Resulting Numbers: [127] 127,83 unequal: No Solution Exploring Operation: 100-27=73, Resulting Numbers: [73] 73,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[25, 102], Operations: ['5*15=75', '27+75=102'] Exploring Operation: 25*102=2550, Resulting Numbers: [2550] 2550,83 unequal: No Solution Exploring Operation: 25+102=127, Resulting Numbers: [127] 127,83 unequal: No Solution Exploring Operation: 102-25=77, Resulting Numbers: [77] 77,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[75, 2], Operations: ['5*15=75', '27-25=2'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,83 unequal: No Solution Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,83 unequal: No Solution Exploring Operation: 75*2=150, Resulting Numbers: [150] 150,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 83:[27, 15, 125], Operations: ['5*25=125'] Exploring Operation: 125-27=98, Resulting Numbers: [15, 98] Generated Node #0,3,0: 83:[15, 98] Operation: 125-27=98 Exploring Operation: 27-15=12, Resulting Numbers: [125, 12] Generated Node #0,3,1: 83:[125, 12] Operation: 27-15=12 Exploring Operation: 27+15=42, Resulting Numbers: [125, 42] Generated Node #0,3,2: 83:[125, 42] Operation: 27+15=42 Exploring Operation: 125-15=110, Resulting Numbers: [27, 110] Generated Node #0,3,3: 83:[27, 110] Operation: 125-15=110 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 83:[15, 98], Operations: ['5*25=125', '125-27=98'] Exploring Operation: 98-15=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[5, 25, 27, 15], Operations: [] Exploring Operation: 5*25=125, Resulting Numbers: [27, 15, 125] Generated Node #0,3: 83:[27, 15, 125] Operation: 5*25=125 Moving to Node #0,3 Current State: 83:[27, 15, 125], Operations: ['5*25=125'] Exploring Operation: 125-27=98, Resulting Numbers: [15, 98] Generated Node #0,3,0: 83:[15, 98] Operation: 125-27=98 Moving to Node #0,3,0 Current State: 83:[15, 98], Operations: ['5*25=125', '125-27=98'] Exploring Operation: 98-15=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.974826
hs_4
mult_heuristic
[ 63, 15, 34, 69 ]
56
[ "69-63=6", "15*6=90", "90-34=56" ]
Current State: 56:[63, 15, 34, 69], Operations: [] Exploring Operation: 69-63=6, Resulting Numbers: [15, 34, 6] Generated Node #2: [15, 34, 6] from Operation: 69-63=6 Current State: 56:[15, 34, 6], Operations: ['69-63=6'] Exploring Operation: 15*6=90, Resulting Numbers: [34, 90] Generated Node #3: [34, 90] from Operation: 15*6=90 Current State: 56:[34, 90], Operations: ['69-63=6', '15*6=90'] Exploring Operation: 90-34=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[63, 15, 34, 69], Operations: [] Exploring Operation: 69-15=54, Resulting Numbers: [63, 34, 54] Generated Node #0,0: 56:[63, 34, 54] Operation: 69-15=54 Exploring Operation: 63-34=29, Resulting Numbers: [15, 69, 29] Generated Node #0,1: 56:[15, 69, 29] Operation: 63-34=29 Exploring Operation: 69-63=6, Resulting Numbers: [15, 34, 6] Generated Node #0,2: 56:[15, 34, 6] Operation: 69-63=6 Exploring Operation: 69-34=35, Resulting Numbers: [63, 15, 35] Generated Node #0,3: 56:[63, 15, 35] Operation: 69-34=35 Start Sub Search at level 1: Moving to Node #0,2 Current State: 56:[15, 34, 6], Operations: ['69-63=6'] Exploring Operation: 15-6=9, Resulting Numbers: [34, 9] Generated Node #0,2,0: 56:[34, 9] Operation: 15-6=9 Exploring Operation: 15+34=49, Resulting Numbers: [6, 49] Generated Node #0,2,1: 56:[6, 49] Operation: 15+34=49 Exploring Operation: 34-15=19, Resulting Numbers: [6, 19] Generated Node #0,2,2: 56:[6, 19] Operation: 34-15=19 Exploring Operation: 34-6=28, Resulting Numbers: [15, 28] Generated Node #0,2,3: 56:[15, 28] Operation: 34-6=28 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 56:[15, 28], Operations: ['69-63=6', '34-6=28'] Exploring Operation: 15*28=420, Resulting Numbers: [420] 420,56 unequal: No Solution Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,56 unequal: No Solution Exploring Operation: 15+28=43, Resulting Numbers: [43] 43,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 56:[6, 19], Operations: ['69-63=6', '34-15=19'] Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,56 unequal: No Solution Exploring Operation: 6+19=25, Resulting Numbers: [25] 25,56 unequal: No Solution Exploring Operation: 6*19=114, Resulting Numbers: [114] 114,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 56:[34, 9], Operations: ['69-63=6', '15-6=9'] Exploring Operation: 34*9=306, Resulting Numbers: [306] 306,56 unequal: No Solution Exploring Operation: 34+9=43, Resulting Numbers: [43] 43,56 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 56:[6, 49], Operations: ['69-63=6', '15+34=49'] Exploring Operation: 6+49=55, Resulting Numbers: [55] 55,56 unequal: No Solution Exploring Operation: 6*49=294, Resulting Numbers: [294] 294,56 unequal: No Solution Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[63, 34, 54], Operations: ['69-15=54'] Exploring Operation: 34+54=88, Resulting Numbers: [63, 88] Generated Node #0,0,0: 56:[63, 88] Operation: 34+54=88 Exploring Operation: 54-34=20, Resulting Numbers: [63, 20] Generated Node #0,0,1: 56:[63, 20] Operation: 54-34=20 Exploring Operation: 63-34=29, Resulting Numbers: [54, 29] Generated Node #0,0,2: 56:[54, 29] Operation: 63-34=29 Exploring Operation: 63-54=9, Resulting Numbers: [34, 9] Generated Node #0,0,3: 56:[34, 9] Operation: 63-54=9 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 56:[54, 29], Operations: ['69-15=54', '63-34=29'] Exploring Operation: 54-29=25, Resulting Numbers: [25] 25,56 unequal: No Solution Exploring Operation: 54*29=1566, Resulting Numbers: [1566] 1566,56 unequal: No Solution Exploring Operation: 54+29=83, Resulting Numbers: [83] 83,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 56:[34, 9], Operations: ['69-15=54', '63-54=9'] Exploring Operation: 34+9=43, Resulting Numbers: [43] 43,56 unequal: No Solution Exploring Operation: 34*9=306, Resulting Numbers: [306] 306,56 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 56:[63, 20], Operations: ['69-15=54', '54-34=20'] Exploring Operation: 63+20=83, Resulting Numbers: [83] 83,56 unequal: No Solution Exploring Operation: 63*20=1260, Resulting Numbers: [1260] 1260,56 unequal: No Solution Exploring Operation: 63-20=43, Resulting Numbers: [43] 43,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 56:[63, 88], Operations: ['69-15=54', '34+54=88'] Exploring Operation: 63*88=5544, Resulting Numbers: [5544] 5544,56 unequal: No Solution Exploring Operation: 63+88=151, Resulting Numbers: [151] 151,56 unequal: No Solution Exploring Operation: 88-63=25, Resulting Numbers: [25] 25,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[15, 69, 29], Operations: ['63-34=29'] Exploring Operation: 29-15=14, Resulting Numbers: [69, 14] Generated Node #0,1,0: 56:[69, 14] Operation: 29-15=14 Exploring Operation: 69-29=40, Resulting Numbers: [15, 40] Generated Node #0,1,1: 56:[15, 40] Operation: 69-29=40 Exploring Operation: 69-15=54, Resulting Numbers: [29, 54] Generated Node #0,1,2: 56:[29, 54] Operation: 69-15=54 Exploring Operation: 15+29=44, Resulting Numbers: [69, 44] Generated Node #0,1,3: 56:[69, 44] Operation: 15+29=44 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 56:[29, 54], Operations: ['63-34=29', '69-15=54'] Exploring Operation: 54-29=25, Resulting Numbers: [25] 25,56 unequal: No Solution Exploring Operation: 29*54=1566, Resulting Numbers: [1566] 1566,56 unequal: No Solution Exploring Operation: 29+54=83, Resulting Numbers: [83] 83,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 56:[69, 14], Operations: ['63-34=29', '29-15=14'] Exploring Operation: 69-14=55, Resulting Numbers: [55] 55,56 unequal: No Solution Exploring Operation: 69+14=83, Resulting Numbers: [83] 83,56 unequal: No Solution Exploring Operation: 69*14=966, Resulting Numbers: [966] 966,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 56:[15, 40], Operations: ['63-34=29', '69-29=40'] Exploring Operation: 15*40=600, Resulting Numbers: [600] 600,56 unequal: No Solution Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,56 unequal: No Solution Exploring Operation: 15+40=55, Resulting Numbers: [55] 55,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 56:[69, 44], Operations: ['63-34=29', '15+29=44'] Exploring Operation: 69-44=25, Resulting Numbers: [25] 25,56 unequal: No Solution Exploring Operation: 69*44=3036, Resulting Numbers: [3036] 3036,56 unequal: No Solution Exploring Operation: 69+44=113, Resulting Numbers: [113] 113,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 56:[63, 15, 35], Operations: ['69-34=35'] Exploring Operation: 35-15=20, Resulting Numbers: [63, 20] Generated Node #0,3,0: 56:[63, 20] Operation: 35-15=20 Exploring Operation: 63-15=48, Resulting Numbers: [35, 48] Generated Node #0,3,1: 56:[35, 48] Operation: 63-15=48 Exploring Operation: 63-35=28, Resulting Numbers: [15, 28] Generated Node #0,3,2: 56:[15, 28] Operation: 63-35=28 Exploring Operation: 15+35=50, Resulting Numbers: [63, 50] Generated Node #0,3,3: 56:[63, 50] Operation: 15+35=50 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 56:[15, 28], Operations: ['69-34=35', '63-35=28'] Exploring Operation: 15+28=43, Resulting Numbers: [43] 43,56 unequal: No Solution Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,56 unequal: No Solution Exploring Operation: 15*28=420, Resulting Numbers: [420] 420,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 56:[63, 20], Operations: ['69-34=35', '35-15=20'] Exploring Operation: 63*20=1260, Resulting Numbers: [1260] 1260,56 unequal: No Solution Exploring Operation: 63-20=43, Resulting Numbers: [43] 43,56 unequal: No Solution Exploring Operation: 63+20=83, Resulting Numbers: [83] 83,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 56:[63, 50], Operations: ['69-34=35', '15+35=50'] Exploring Operation: 63+50=113, Resulting Numbers: [113] 113,56 unequal: No Solution Exploring Operation: 63-50=13, Resulting Numbers: [13] 13,56 unequal: No Solution Exploring Operation: 63*50=3150, Resulting Numbers: [3150] 3150,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 56:[35, 48], Operations: ['69-34=35', '63-15=48'] Exploring Operation: 48-35=13, Resulting Numbers: [13] 13,56 unequal: No Solution Exploring Operation: 35+48=83, Resulting Numbers: [83] 83,56 unequal: No Solution Exploring Operation: 35*48=1680, Resulting Numbers: [1680] 1680,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 16, 16, 32, 94 ]
93
[ "16+16=32", "32/32=1", "94-1=93" ]
Current State: 93:[16, 16, 32, 94], Operations: [] Exploring Operation: 16+16=32, Resulting Numbers: [32, 94, 32] Generated Node #2: [32, 94, 32] from Operation: 16+16=32 Current State: 93:[32, 94, 32], Operations: ['16+16=32'] Exploring Operation: 32/32=1, Resulting Numbers: [94, 1] Generated Node #3: [94, 1] from Operation: 32/32=1 Current State: 93:[94, 1], Operations: ['16+16=32', '32/32=1'] Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[16, 16, 32, 94], Operations: [] Exploring Operation: 16/16=1, Resulting Numbers: [32, 94, 1] Generated Node #0,0: 93:[32, 94, 1] Operation: 16/16=1 Exploring Operation: 16+16=32, Resulting Numbers: [32, 94, 32] Generated Node #0,1: 93:[32, 94, 32] Operation: 16+16=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[32, 94, 32], Operations: ['16+16=32'] Exploring Operation: 32/32=1, Resulting Numbers: [94, 1] Generated Node #0,1,0: 93:[94, 1] Operation: 32/32=1 Exploring Operation: 32-32=0, Resulting Numbers: [94, 0] Generated Node #0,1,1: 93:[94, 0] Operation: 32-32=0 Moving to Node #0,1,0 Current State: 93:[94, 1], Operations: ['16+16=32', '32/32=1'] Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[16, 16, 32, 94], Operations: [] Exploring Operation: 16+16=32, Resulting Numbers: [32, 94, 32] Generated Node #0,1: 93:[32, 94, 32] Operation: 16+16=32 Moving to Node #0,1 Current State: 93:[32, 94, 32], Operations: ['16+16=32'] Exploring Operation: 32/32=1, Resulting Numbers: [94, 1] Generated Node #0,1,0: 93:[94, 1] Operation: 32/32=1 Moving to Node #0,1,0 Current State: 93:[94, 1], Operations: ['16+16=32', '32/32=1'] Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 89, 21, 19, 29 ]
62
[ "89+21=110", "19+29=48", "110-48=62" ]
Current State: 62:[89, 21, 19, 29], Operations: [] Exploring Operation: 89+21=110, Resulting Numbers: [19, 29, 110] Generated Node #2: [19, 29, 110] from Operation: 89+21=110 Current State: 62:[19, 29, 110], Operations: ['89+21=110'] Exploring Operation: 19+29=48, Resulting Numbers: [110, 48] Generated Node #3: [110, 48] from Operation: 19+29=48 Current State: 62:[110, 48], Operations: ['89+21=110', '19+29=48'] Exploring Operation: 110-48=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[89, 21, 19, 29], Operations: [] Exploring Operation: 89-21=68, Resulting Numbers: [19, 29, 68] Generated Node #0,0: 62:[19, 29, 68] Operation: 89-21=68 Moving to Node #0,0 Current State: 62:[19, 29, 68], Operations: ['89-21=68'] Exploring Operation: 29-19=10, Resulting Numbers: [68, 10] Generated Node #0,0,0: 62:[68, 10] Operation: 29-19=10 Moving to Node #0,0,0 Current State: 62:[68, 10], Operations: ['89-21=68', '29-19=10'] Exploring Operation: 68-10=58, Resulting Numbers: [58] 58,62 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 24, 2, 46, 8 ]
39
[ "24+46=70", "8+70=78", "78/2=39" ]
Current State: 39:[24, 2, 46, 8], Operations: [] Exploring Operation: 24+46=70, Resulting Numbers: [2, 8, 70] Generated Node #2: [2, 8, 70] from Operation: 24+46=70 Current State: 39:[2, 8, 70], Operations: ['24+46=70'] Exploring Operation: 8+70=78, Resulting Numbers: [2, 78] Generated Node #3: [2, 78] from Operation: 8+70=78 Current State: 39:[2, 78], Operations: ['24+46=70', '8+70=78'] Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[24, 2, 46, 8], Operations: [] Exploring Operation: 24/8=3, Resulting Numbers: [2, 46, 3] Generated Node #0,0: 39:[2, 46, 3] Operation: 24/8=3 Exploring Operation: 24/2=12, Resulting Numbers: [46, 8, 12] Generated Node #0,1: 39:[46, 8, 12] Operation: 24/2=12 Exploring Operation: 24-8=16, Resulting Numbers: [2, 46, 16] Generated Node #0,2: 39:[2, 46, 16] Operation: 24-8=16 Moving to Node #0,0 Current State: 39:[2, 46, 3], Operations: ['24/8=3'] Exploring Operation: 2+46=48, Resulting Numbers: [3, 48] Generated Node #0,0,0: 39:[3, 48] Operation: 2+46=48 Exploring Operation: 46-2=44, Resulting Numbers: [3, 44] Generated Node #0,0,1: 39:[3, 44] Operation: 46-2=44 Exploring Operation: 46-3=43, Resulting Numbers: [2, 43] Generated Node #0,0,2: 39:[2, 43] Operation: 46-3=43 Moving to Node #0,2 Current State: 39:[2, 46, 16], Operations: ['24-8=16'] Exploring Operation: 46-16=30, Resulting Numbers: [2, 30] Generated Node #0,2,0: 39:[2, 30] Operation: 46-16=30 Exploring Operation: 16-2=14, Resulting Numbers: [46, 14] Generated Node #0,2,1: 39:[46, 14] Operation: 16-2=14 Exploring Operation: 46-2=44, Resulting Numbers: [16, 44] Generated Node #0,2,2: 39:[16, 44] Operation: 46-2=44 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 39:[46, 14], Operations: ['24-8=16', '16-2=14'] Exploring Operation: 46+14=60, Resulting Numbers: [60] 60,39 unequal: No Solution Exploring Operation: 46-14=32, Resulting Numbers: [32] 32,39 unequal: No Solution Exploring Operation: 46*14=644, Resulting Numbers: [644] 644,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 39:[16, 44], Operations: ['24-8=16', '46-2=44'] Exploring Operation: 16+44=60, Resulting Numbers: [60] 60,39 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,39 unequal: No Solution Exploring Operation: 16*44=704, Resulting Numbers: [704] 704,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 39:[2, 30], Operations: ['24-8=16', '46-16=30'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,39 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 39:[46, 8, 12], Operations: ['24/2=12'] Exploring Operation: 46-8=38, Resulting Numbers: [12, 38] Generated Node #0,1,0: 39:[12, 38] Operation: 46-8=38 Exploring Operation: 46-12=34, Resulting Numbers: [8, 34] Generated Node #0,1,1: 39:[8, 34] Operation: 46-12=34 Exploring Operation: 12-8=4, Resulting Numbers: [46, 4] Generated Node #0,1,2: 39:[46, 4] Operation: 12-8=4 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 39:[12, 38], Operations: ['24/2=12', '46-8=38'] Exploring Operation: 12+38=50, Resulting Numbers: [50] 50,39 unequal: No Solution Exploring Operation: 12*38=456, Resulting Numbers: [456] 456,39 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 39:[46, 4], Operations: ['24/2=12', '12-8=4'] Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,39 unequal: No Solution Exploring Operation: 46+4=50, Resulting Numbers: [50] 50,39 unequal: No Solution Exploring Operation: 46*4=184, Resulting Numbers: [184] 184,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[8, 34], Operations: ['24/2=12', '46-12=34'] Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,39 unequal: No Solution Exploring Operation: 8*34=272, Resulting Numbers: [272] 272,39 unequal: No Solution Exploring Operation: 8+34=42, Resulting Numbers: [42] 42,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 39:[3, 44], Operations: ['24/8=3', '46-2=44'] Exploring Operation: 3*44=132, Resulting Numbers: [132] 132,39 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,39 unequal: No Solution Moving to Node #0,0,2 Current State: 39:[2, 43], Operations: ['24/8=3', '46-3=43'] Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,39 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 2+43=45, Resulting Numbers: [45] 45,39 unequal: No Solution Moving to Node #0,0,0 Current State: 39:[3, 48], Operations: ['24/8=3', '2+46=48'] Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,39 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,39 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 14, 2, 20, 70 ]
18
[ "14+20=34", "70-34=36", "36/2=18" ]
Current State: 18:[14, 2, 20, 70], Operations: [] Exploring Operation: 14+20=34, Resulting Numbers: [2, 70, 34] Generated Node #2: [2, 70, 34] from Operation: 14+20=34 Current State: 18:[2, 70, 34], Operations: ['14+20=34'] Exploring Operation: 70-34=36, Resulting Numbers: [2, 36] Generated Node #3: [2, 36] from Operation: 70-34=36 Current State: 18:[2, 36], Operations: ['14+20=34', '70-34=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[14, 2, 20, 70], Operations: [] Exploring Operation: 70-14=56, Resulting Numbers: [2, 20, 56] Generated Node #0,0: 18:[2, 20, 56] Operation: 70-14=56 Exploring Operation: 70/14=5, Resulting Numbers: [2, 20, 5] Generated Node #0,1: 18:[2, 20, 5] Operation: 70/14=5 Exploring Operation: 70-20=50, Resulting Numbers: [14, 2, 50] Generated Node #0,2: 18:[14, 2, 50] Operation: 70-20=50 Exploring Operation: 70/2=35, Resulting Numbers: [14, 20, 35] Generated Node #0,3: 18:[14, 20, 35] Operation: 70/2=35 Exploring Operation: 20-14=6, Resulting Numbers: [2, 70, 6] Generated Node #0,4: 18:[2, 70, 6] Operation: 20-14=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[2, 20, 5], Operations: ['70/14=5'] Exploring Operation: 20/2=10, Resulting Numbers: [5, 10] Generated Node #0,1,0: 18:[5, 10] Operation: 20/2=10 Exploring Operation: 5-2=3, Resulting Numbers: [20, 3] Generated Node #0,1,1: 18:[20, 3] Operation: 5-2=3 Exploring Operation: 2+5=7, Resulting Numbers: [20, 7] Generated Node #0,1,2: 18:[20, 7] Operation: 2+5=7 Exploring Operation: 20/5=4, Resulting Numbers: [2, 4] Generated Node #0,1,3: 18:[2, 4] Operation: 20/5=4 Exploring Operation: 20-2=18, Resulting Numbers: [5, 18] Generated Node #0,1,4: 18:[5, 18] Operation: 20-2=18 Moving to Node #0,1,3 Current State: 18:[2, 4], Operations: ['70/14=5', '20/5=4'] Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,18 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,18 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,18 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,18 unequal: No Solution Moving to Node #0,1,4 Current State: 18:[5, 18], Operations: ['70/14=5', '20-2=18'] Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,18 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,18 unequal: No Solution Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,18 unequal: No Solution Moving to Node #0,1,0 Current State: 18:[5, 10], Operations: ['70/14=5', '20/2=10'] Exploring Operation: 5+10=15, Resulting Numbers: [15] 15,18 unequal: No Solution Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,18 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,18 unequal: No Solution Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[20, 3], Operations: ['70/14=5', '5-2=3'] Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,18 unequal: No Solution Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,18 unequal: No Solution Exploring Operation: 20+3=23, Resulting Numbers: [23] 23,18 unequal: No Solution Moving to Node #0,1,2 Current State: 18:[20, 7], Operations: ['70/14=5', '2+5=7'] Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,18 unequal: No Solution Exploring Operation: 20*7=140, Resulting Numbers: [140] 140,18 unequal: No Solution Exploring Operation: 20+7=27, Resulting Numbers: [27] 27,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 18:[14, 20, 35], Operations: ['70/2=35'] Exploring Operation: 20-14=6, Resulting Numbers: [35, 6] Generated Node #0,3,0: 18:[35, 6] Operation: 20-14=6 Exploring Operation: 14+35=49, Resulting Numbers: [20, 49] Generated Node #0,3,1: 18:[20, 49] Operation: 14+35=49 Exploring Operation: 35-14=21, Resulting Numbers: [20, 21] Generated Node #0,3,2: 18:[20, 21] Operation: 35-14=21 Exploring Operation: 35-20=15, Resulting Numbers: [14, 15] Generated Node #0,3,3: 18:[14, 15] Operation: 35-20=15 Exploring Operation: 14+20=34, Resulting Numbers: [35, 34] Generated Node #0,3,4: 18:[35, 34] Operation: 14+20=34 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 18:[20, 21], Operations: ['70/2=35', '35-14=21'] Exploring Operation: 20+21=41, Resulting Numbers: [41] 41,18 unequal: No Solution Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,18 unequal: No Solution Exploring Operation: 20*21=420, Resulting Numbers: [420] 420,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 18:[14, 15], Operations: ['70/2=35', '35-20=15'] Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,18 unequal: No Solution Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,18 unequal: No Solution Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 18:[35, 6], Operations: ['70/2=35', '20-14=6'] Exploring Operation: 35+6=41, Resulting Numbers: [41] 41,18 unequal: No Solution Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,18 unequal: No Solution Exploring Operation: 35*6=210, Resulting Numbers: [210] 210,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 18:[20, 49], Operations: ['70/2=35', '14+35=49'] Exploring Operation: 20+49=69, Resulting Numbers: [69] 69,18 unequal: No Solution Exploring Operation: 20*49=980, Resulting Numbers: [980] 980,18 unequal: No Solution Exploring Operation: 49-20=29, Resulting Numbers: [29] 29,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 18:[35, 34], Operations: ['70/2=35', '14+20=34'] Exploring Operation: 35-34=1, Resulting Numbers: [1] 1,18 unequal: No Solution Exploring Operation: 35*34=1190, Resulting Numbers: [1190] 1190,18 unequal: No Solution Exploring Operation: 35+34=69, Resulting Numbers: [69] 69,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[14, 2, 50], Operations: ['70-20=50'] Exploring Operation: 50-14=36, Resulting Numbers: [2, 36] Generated Node #0,2,0: 18:[2, 36] Operation: 50-14=36 Exploring Operation: 50-2=48, Resulting Numbers: [14, 48] Generated Node #0,2,1: 18:[14, 48] Operation: 50-2=48 Exploring Operation: 50/2=25, Resulting Numbers: [14, 25] Generated Node #0,2,2: 18:[14, 25] Operation: 50/2=25 Exploring Operation: 14+2=16, Resulting Numbers: [50, 16] Generated Node #0,2,3: 18:[50, 16] Operation: 14+2=16 Exploring Operation: 14/2=7, Resulting Numbers: [50, 7] Generated Node #0,2,4: 18:[50, 7] Operation: 14/2=7 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 18:[14, 25], Operations: ['70-20=50', '50/2=25'] Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,18 unequal: No Solution Exploring Operation: 14*25=350, Resulting Numbers: [350] 350,18 unequal: No Solution Exploring Operation: 14+25=39, Resulting Numbers: [39] 39,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 18:[2, 36], Operations: ['70-20=50', '50-14=36'] Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,18 unequal: No Solution Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,18 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[14, 2, 20, 70], Operations: [] Exploring Operation: 70-20=50, Resulting Numbers: [14, 2, 50] Generated Node #0,2: 18:[14, 2, 50] Operation: 70-20=50 Moving to Node #0,2 Current State: 18:[14, 2, 50], Operations: ['70-20=50'] Exploring Operation: 50-14=36, Resulting Numbers: [2, 36] Generated Node #0,2,0: 18:[2, 36] Operation: 50-14=36 Moving to Node #0,2,0 Current State: 18:[2, 36], Operations: ['70-20=50', '50-14=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.946181
hs_5
sum_heuristic
[ 82, 43, 56, 91 ]
22
[ "82+43=125", "56+91=147", "147-125=22" ]
Current State: 22:[82, 43, 56, 91], Operations: [] Exploring Operation: 82+43=125, Resulting Numbers: [56, 91, 125] Generated Node #2: [56, 91, 125] from Operation: 82+43=125 Current State: 22:[56, 91, 125], Operations: ['82+43=125'] Exploring Operation: 56+91=147, Resulting Numbers: [125, 147] Generated Node #3: [125, 147] from Operation: 56+91=147 Current State: 22:[125, 147], Operations: ['82+43=125', '56+91=147'] Exploring Operation: 147-125=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[82, 43, 56, 91], Operations: [] Exploring Operation: 82-56=26, Resulting Numbers: [43, 91, 26] Generated Node #0,0: 22:[43, 91, 26] Operation: 82-56=26 Exploring Operation: 91-56=35, Resulting Numbers: [82, 43, 35] Generated Node #0,1: 22:[82, 43, 35] Operation: 91-56=35 Exploring Operation: 91-82=9, Resulting Numbers: [43, 56, 9] Generated Node #0,2: 22:[43, 56, 9] Operation: 91-82=9 Moving to Node #0,2 Current State: 22:[43, 56, 9], Operations: ['91-82=9'] Exploring Operation: 56-43=13, Resulting Numbers: [9, 13] Generated Node #0,2,0: 22:[9, 13] Operation: 56-43=13 Exploring Operation: 56-9=47, Resulting Numbers: [43, 47] Generated Node #0,2,1: 22:[43, 47] Operation: 56-9=47 Exploring Operation: 43-9=34, Resulting Numbers: [56, 34] Generated Node #0,2,2: 22:[56, 34] Operation: 43-9=34 Moving to Node #0,0 Current State: 22:[43, 91, 26], Operations: ['82-56=26'] Exploring Operation: 91-26=65, Resulting Numbers: [43, 65] Generated Node #0,0,0: 22:[43, 65] Operation: 91-26=65 Exploring Operation: 43-26=17, Resulting Numbers: [91, 17] Generated Node #0,0,1: 22:[91, 17] Operation: 43-26=17 Exploring Operation: 91-43=48, Resulting Numbers: [26, 48] Generated Node #0,0,2: 22:[26, 48] Operation: 91-43=48 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 22:[26, 48], Operations: ['82-56=26', '91-43=48'] Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[82, 43, 56, 91], Operations: [] Exploring Operation: 82-56=26, Resulting Numbers: [43, 91, 26] Generated Node #0,0: 22:[43, 91, 26] Operation: 82-56=26 Moving to Node #0,0 Current State: 22:[43, 91, 26], Operations: ['82-56=26'] Exploring Operation: 91-43=48, Resulting Numbers: [26, 48] Generated Node #0,0,2: 22:[26, 48] Operation: 91-43=48 Moving to Node #0,0,2 Current State: 22:[26, 48], Operations: ['82-56=26', '91-43=48'] Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 64, 54, 87, 33 ]
65
[ "87-54=33", "33/33=1", "64+1=65" ]
Current State: 65:[64, 54, 87, 33], Operations: [] Exploring Operation: 87-54=33, Resulting Numbers: [64, 33, 33] Generated Node #2: [64, 33, 33] from Operation: 87-54=33 Current State: 65:[64, 33, 33], Operations: ['87-54=33'] Exploring Operation: 33/33=1, Resulting Numbers: [64, 1] Generated Node #3: [64, 1] from Operation: 33/33=1 Current State: 65:[64, 1], Operations: ['87-54=33', '33/33=1'] Exploring Operation: 64+1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[64, 54, 87, 33], Operations: [] Exploring Operation: 64-54=10, Resulting Numbers: [87, 33, 10] Generated Node #0,0: 65:[87, 33, 10] Operation: 64-54=10 Exploring Operation: 87-64=23, Resulting Numbers: [54, 33, 23] Generated Node #0,1: 65:[54, 33, 23] Operation: 87-64=23 Exploring Operation: 87-54=33, Resulting Numbers: [64, 33, 33] Generated Node #0,2: 65:[64, 33, 33] Operation: 87-54=33 Exploring Operation: 54-33=21, Resulting Numbers: [64, 87, 21] Generated Node #0,3: 65:[64, 87, 21] Operation: 54-33=21 Exploring Operation: 87-33=54, Resulting Numbers: [64, 54, 54] Generated Node #0,4: 65:[64, 54, 54] Operation: 87-33=54 Moving to Node #0,4 Current State: 65:[64, 54, 54], Operations: ['87-33=54'] Exploring Operation: 54/54=1, Resulting Numbers: [64, 1] Generated Node #0,4,0: 65:[64, 1] Operation: 54/54=1 Exploring Operation: 54+54=108, Resulting Numbers: [64, 108] Generated Node #0,4,1: 65:[64, 108] Operation: 54+54=108 Exploring Operation: 54-54=0, Resulting Numbers: [64, 0] Generated Node #0,4,2: 65:[64, 0] Operation: 54-54=0 Exploring Operation: 64-54=10, Resulting Numbers: [54, 10] Generated Node #0,4,3: 65:[54, 10] Operation: 64-54=10 Exploring Operation: 64-54=10, Resulting Numbers: [54, 10] Generated Node #0,4,4: 65:[54, 10] Operation: 64-54=10 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 65:[64, 1], Operations: ['87-33=54', '54/54=1'] Exploring Operation: 64+1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[64, 54, 87, 33], Operations: [] Exploring Operation: 87-33=54, Resulting Numbers: [64, 54, 54] Generated Node #0,4: 65:[64, 54, 54] Operation: 87-33=54 Moving to Node #0,4 Current State: 65:[64, 54, 54], Operations: ['87-33=54'] Exploring Operation: 54/54=1, Resulting Numbers: [64, 1] Generated Node #0,4,0: 65:[64, 1] Operation: 54/54=1 Moving to Node #0,4,0 Current State: 65:[64, 1], Operations: ['87-33=54', '54/54=1'] Exploring Operation: 64+1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 15, 98, 4, 54 ]
33
[ "98-15=83", "54-4=50", "83-50=33" ]
Current State: 33:[15, 98, 4, 54], Operations: [] Exploring Operation: 98-15=83, Resulting Numbers: [4, 54, 83] Generated Node #2: [4, 54, 83] from Operation: 98-15=83 Current State: 33:[4, 54, 83], Operations: ['98-15=83'] Exploring Operation: 54-4=50, Resulting Numbers: [83, 50] Generated Node #3: [83, 50] from Operation: 54-4=50 Current State: 33:[83, 50], Operations: ['98-15=83', '54-4=50'] Exploring Operation: 83-50=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[15, 98, 4, 54], Operations: [] Exploring Operation: 98-4=94, Resulting Numbers: [15, 54, 94] Generated Node #0,0: 33:[15, 54, 94] Operation: 98-4=94 Exploring Operation: 98-15=83, Resulting Numbers: [4, 54, 83] Generated Node #0,1: 33:[4, 54, 83] Operation: 98-15=83 Exploring Operation: 98-54=44, Resulting Numbers: [15, 4, 44] Generated Node #0,2: 33:[15, 4, 44] Operation: 98-54=44 Exploring Operation: 54-15=39, Resulting Numbers: [98, 4, 39] Generated Node #0,3: 33:[98, 4, 39] Operation: 54-15=39 Exploring Operation: 15-4=11, Resulting Numbers: [98, 54, 11] Generated Node #0,4: 33:[98, 54, 11] Operation: 15-4=11 Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[15, 4, 44], Operations: ['98-54=44'] Exploring Operation: 15+4=19, Resulting Numbers: [44, 19] Generated Node #0,2,0: 33:[44, 19] Operation: 15+4=19 Exploring Operation: 15-4=11, Resulting Numbers: [44, 11] Generated Node #0,2,1: 33:[44, 11] Operation: 15-4=11 Exploring Operation: 44-15=29, Resulting Numbers: [4, 29] Generated Node #0,2,2: 33:[4, 29] Operation: 44-15=29 Exploring Operation: 44-4=40, Resulting Numbers: [15, 40] Generated Node #0,2,3: 33:[15, 40] Operation: 44-4=40 Exploring Operation: 44/4=11, Resulting Numbers: [15, 11] Generated Node #0,2,4: 33:[15, 11] Operation: 44/4=11 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 33:[15, 11], Operations: ['98-54=44', '44/4=11'] Exploring Operation: 15*11=165, Resulting Numbers: [165] 165,33 unequal: No Solution Exploring Operation: 15+11=26, Resulting Numbers: [26] 26,33 unequal: No Solution Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 33:[4, 29], Operations: ['98-54=44', '44-15=29'] Exploring Operation: 4*29=116, Resulting Numbers: [116] 116,33 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,33 unequal: No Solution Exploring Operation: 4+29=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[15, 98, 4, 54], Operations: [] Exploring Operation: 98-54=44, Resulting Numbers: [15, 4, 44] Generated Node #0,2: 33:[15, 4, 44] Operation: 98-54=44 Moving to Node #0,2 Current State: 33:[15, 4, 44], Operations: ['98-54=44'] Exploring Operation: 44-15=29, Resulting Numbers: [4, 29] Generated Node #0,2,2: 33:[4, 29] Operation: 44-15=29 Moving to Node #0,2,2 Current State: 33:[4, 29], Operations: ['98-54=44', '44-15=29'] Exploring Operation: 4+29=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 96, 67, 2, 7 ]
45
[ "96-7=89", "67*2=134", "134-89=45" ]
Current State: 45:[96, 67, 2, 7], Operations: [] Exploring Operation: 96-7=89, Resulting Numbers: [67, 2, 89] Generated Node #2: [67, 2, 89] from Operation: 96-7=89 Current State: 45:[67, 2, 89], Operations: ['96-7=89'] Exploring Operation: 67*2=134, Resulting Numbers: [89, 134] Generated Node #3: [89, 134] from Operation: 67*2=134 Current State: 45:[89, 134], Operations: ['96-7=89', '67*2=134'] Exploring Operation: 134-89=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[96, 67, 2, 7], Operations: [] Exploring Operation: 96-67=29, Resulting Numbers: [2, 7, 29] Generated Node #0,0: 45:[2, 7, 29] Operation: 96-67=29 Exploring Operation: 96-7=89, Resulting Numbers: [67, 2, 89] Generated Node #0,1: 45:[67, 2, 89] Operation: 96-7=89 Exploring Operation: 67-7=60, Resulting Numbers: [96, 2, 60] Generated Node #0,2: 45:[96, 2, 60] Operation: 67-7=60 Exploring Operation: 96/2=48, Resulting Numbers: [67, 7, 48] Generated Node #0,3: 45:[67, 7, 48] Operation: 96/2=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[2, 7, 29], Operations: ['96-67=29'] Exploring Operation: 2+7=9, Resulting Numbers: [29, 9] Generated Node #0,0,0: 45:[29, 9] Operation: 2+7=9 Exploring Operation: 29-7=22, Resulting Numbers: [2, 22] Generated Node #0,0,1: 45:[2, 22] Operation: 29-7=22 Exploring Operation: 7-2=5, Resulting Numbers: [29, 5] Generated Node #0,0,2: 45:[29, 5] Operation: 7-2=5 Exploring Operation: 7+29=36, Resulting Numbers: [2, 36] Generated Node #0,0,3: 45:[2, 36] Operation: 7+29=36 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 45:[2, 22], Operations: ['96-67=29', '29-7=22'] Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,45 unequal: No Solution Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,45 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,45 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 45:[2, 36], Operations: ['96-67=29', '7+29=36'] Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,45 unequal: No Solution Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,45 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,45 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 45:[29, 9], Operations: ['96-67=29', '2+7=9'] Exploring Operation: 29*9=261, Resulting Numbers: [261] 261,45 unequal: No Solution Exploring Operation: 29+9=38, Resulting Numbers: [38] 38,45 unequal: No Solution Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 45:[29, 5], Operations: ['96-67=29', '7-2=5'] Exploring Operation: 29+5=34, Resulting Numbers: [34] 34,45 unequal: No Solution Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,45 unequal: No Solution Exploring Operation: 29*5=145, Resulting Numbers: [145] 145,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 45:[67, 7, 48], Operations: ['96/2=48'] Exploring Operation: 67-7=60, Resulting Numbers: [48, 60] Generated Node #0,3,0: 45:[48, 60] Operation: 67-7=60 Exploring Operation: 67+7=74, Resulting Numbers: [48, 74] Generated Node #0,3,1: 45:[48, 74] Operation: 67+7=74 Exploring Operation: 48-7=41, Resulting Numbers: [67, 41] Generated Node #0,3,2: 45:[67, 41] Operation: 48-7=41 Exploring Operation: 67-48=19, Resulting Numbers: [7, 19] Generated Node #0,3,3: 45:[7, 19] Operation: 67-48=19 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 45:[7, 19], Operations: ['96/2=48', '67-48=19'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,45 unequal: No Solution Exploring Operation: 7*19=133, Resulting Numbers: [133] 133,45 unequal: No Solution Exploring Operation: 7+19=26, Resulting Numbers: [26] 26,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 45:[48, 60], Operations: ['96/2=48', '67-7=60'] Exploring Operation: 48*60=2880, Resulting Numbers: [2880] 2880,45 unequal: No Solution Exploring Operation: 60-48=12, Resulting Numbers: [12] 12,45 unequal: No Solution Exploring Operation: 48+60=108, Resulting Numbers: [108] 108,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 45:[67, 41], Operations: ['96/2=48', '48-7=41'] Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,45 unequal: No Solution Exploring Operation: 67+41=108, Resulting Numbers: [108] 108,45 unequal: No Solution Exploring Operation: 67*41=2747, Resulting Numbers: [2747] 2747,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 45:[48, 74], Operations: ['96/2=48', '67+7=74'] Exploring Operation: 48*74=3552, Resulting Numbers: [3552] 3552,45 unequal: No Solution Exploring Operation: 74-48=26, Resulting Numbers: [26] 26,45 unequal: No Solution Exploring Operation: 48+74=122, Resulting Numbers: [122] 122,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[67, 2, 89], Operations: ['96-7=89'] Exploring Operation: 67-2=65, Resulting Numbers: [89, 65] Generated Node #0,1,0: 45:[89, 65] Operation: 67-2=65 Exploring Operation: 89-2=87, Resulting Numbers: [67, 87] Generated Node #0,1,1: 45:[67, 87] Operation: 89-2=87 Exploring Operation: 67+2=69, Resulting Numbers: [89, 69] Generated Node #0,1,2: 45:[89, 69] Operation: 67+2=69 Exploring Operation: 89-67=22, Resulting Numbers: [2, 22] Generated Node #0,1,3: 45:[2, 22] Operation: 89-67=22 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 45:[2, 22], Operations: ['96-7=89', '89-67=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,45 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,45 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 45:[89, 65], Operations: ['96-7=89', '67-2=65'] Exploring Operation: 89+65=154, Resulting Numbers: [154] 154,45 unequal: No Solution Exploring Operation: 89*65=5785, Resulting Numbers: [5785] 5785,45 unequal: No Solution Exploring Operation: 89-65=24, Resulting Numbers: [24] 24,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 45:[67, 87], Operations: ['96-7=89', '89-2=87'] Exploring Operation: 67+87=154, Resulting Numbers: [154] 154,45 unequal: No Solution Exploring Operation: 87-67=20, Resulting Numbers: [20] 20,45 unequal: No Solution Exploring Operation: 67*87=5829, Resulting Numbers: [5829] 5829,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 45:[89, 69], Operations: ['96-7=89', '67+2=69'] Exploring Operation: 89+69=158, Resulting Numbers: [158] 158,45 unequal: No Solution Exploring Operation: 89-69=20, Resulting Numbers: [20] 20,45 unequal: No Solution Exploring Operation: 89*69=6141, Resulting Numbers: [6141] 6141,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[96, 2, 60], Operations: ['67-7=60'] Exploring Operation: 96-2=94, Resulting Numbers: [60, 94] Generated Node #0,2,0: 45:[60, 94] Operation: 96-2=94 Exploring Operation: 96/2=48, Resulting Numbers: [60, 48] Generated Node #0,2,1: 45:[60, 48] Operation: 96/2=48 Exploring Operation: 60-2=58, Resulting Numbers: [96, 58] Generated Node #0,2,2: 45:[96, 58] Operation: 60-2=58 Exploring Operation: 96-60=36, Resulting Numbers: [2, 36] Generated Node #0,2,3: 45:[2, 36] Operation: 96-60=36 Moving to Node #0,2,3 Current State: 45:[2, 36], Operations: ['67-7=60', '96-60=36'] Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,45 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,45 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,45 unequal: No Solution Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,45 unequal: No Solution Moving to Node #0,2,1 Current State: 45:[60, 48], Operations: ['67-7=60', '96/2=48'] Exploring Operation: 60*48=2880, Resulting Numbers: [2880] 2880,45 unequal: No Solution Exploring Operation: 60+48=108, Resulting Numbers: [108] 108,45 unequal: No Solution Exploring Operation: 60-48=12, Resulting Numbers: [12] 12,45 unequal: No Solution Moving to Node #0,2,2 Current State: 45:[96, 58], Operations: ['67-7=60', '60-2=58'] Exploring Operation: 96*58=5568, Resulting Numbers: [5568] 5568,45 unequal: No Solution Exploring Operation: 96-58=38, Resulting Numbers: [38] 38,45 unequal: No Solution Exploring Operation: 96+58=154, Resulting Numbers: [154] 154,45 unequal: No Solution Moving to Node #0,2,0 Current State: 45:[60, 94], Operations: ['67-7=60', '96-2=94'] Exploring Operation: 60*94=5640, Resulting Numbers: [5640] 5640,45 unequal: No Solution Exploring Operation: 60+94=154, Resulting Numbers: [154] 154,45 unequal: No Solution Exploring Operation: 94-60=34, Resulting Numbers: [34] 34,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 49, 35, 4, 84 ]
77
[ "49*4=196", "35+84=119", "196-119=77" ]
Current State: 77:[49, 35, 4, 84], Operations: [] Exploring Operation: 49*4=196, Resulting Numbers: [35, 84, 196] Generated Node #2: [35, 84, 196] from Operation: 49*4=196 Current State: 77:[35, 84, 196], Operations: ['49*4=196'] Exploring Operation: 35+84=119, Resulting Numbers: [196, 119] Generated Node #3: [196, 119] from Operation: 35+84=119 Current State: 77:[196, 119], Operations: ['49*4=196', '35+84=119'] Exploring Operation: 196-119=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[49, 35, 4, 84], Operations: [] Exploring Operation: 49-35=14, Resulting Numbers: [4, 84, 14] Generated Node #0,0: 77:[4, 84, 14] Operation: 49-35=14 Exploring Operation: 84-49=35, Resulting Numbers: [35, 4, 35] Generated Node #0,1: 77:[35, 4, 35] Operation: 84-49=35 Exploring Operation: 49+4=53, Resulting Numbers: [35, 84, 53] Generated Node #0,2: 77:[35, 84, 53] Operation: 49+4=53 Exploring Operation: 49+35=84, Resulting Numbers: [4, 84, 84] Generated Node #0,3: 77:[4, 84, 84] Operation: 49+35=84 Moving to Node #0,0 Current State: 77:[4, 84, 14], Operations: ['49-35=14'] Exploring Operation: 84-4=80, Resulting Numbers: [14, 80] Generated Node #0,0,0: 77:[14, 80] Operation: 84-4=80 Exploring Operation: 84-14=70, Resulting Numbers: [4, 70] Generated Node #0,0,1: 77:[4, 70] Operation: 84-14=70 Exploring Operation: 14-4=10, Resulting Numbers: [84, 10] Generated Node #0,0,2: 77:[84, 10] Operation: 14-4=10 Exploring Operation: 84/14=6, Resulting Numbers: [4, 6] Generated Node #0,0,3: 77:[4, 6] Operation: 84/14=6 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 77:[4, 6], Operations: ['49-35=14', '84/14=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,77 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[14, 80], Operations: ['49-35=14', '84-4=80'] Exploring Operation: 14+80=94, Resulting Numbers: [94] 94,77 unequal: No Solution Exploring Operation: 14*80=1120, Resulting Numbers: [1120] 1120,77 unequal: No Solution Exploring Operation: 80-14=66, Resulting Numbers: [66] 66,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 77:[84, 10], Operations: ['49-35=14', '14-4=10'] Exploring Operation: 84+10=94, Resulting Numbers: [94] 94,77 unequal: No Solution Exploring Operation: 84-10=74, Resulting Numbers: [74] 74,77 unequal: No Solution Exploring Operation: 84*10=840, Resulting Numbers: [840] 840,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 77:[4, 70], Operations: ['49-35=14', '84-14=70'] Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,77 unequal: No Solution Exploring Operation: 4+70=74, Resulting Numbers: [74] 74,77 unequal: No Solution Exploring Operation: 4*70=280, Resulting Numbers: [280] 280,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 77:[4, 84, 84], Operations: ['49+35=84'] Exploring Operation: 84-4=80, Resulting Numbers: [84, 80] Generated Node #0,3,0: 77:[84, 80] Operation: 84-4=80 Exploring Operation: 84-4=80, Resulting Numbers: [84, 80] Generated Node #0,3,1: 77:[84, 80] Operation: 84-4=80 Exploring Operation: 84-84=0, Resulting Numbers: [4, 0] Generated Node #0,3,2: 77:[4, 0] Operation: 84-84=0 Exploring Operation: 84/84=1, Resulting Numbers: [4, 1] Generated Node #0,3,3: 77:[4, 1] Operation: 84/84=1 Moving to Node #0,1 Current State: 77:[35, 4, 35], Operations: ['84-49=35'] Exploring Operation: 35-35=0, Resulting Numbers: [4, 0] Generated Node #0,1,0: 77:[4, 0] Operation: 35-35=0 Exploring Operation: 35-4=31, Resulting Numbers: [35, 31] Generated Node #0,1,1: 77:[35, 31] Operation: 35-4=31 Exploring Operation: 35/35=1, Resulting Numbers: [4, 1] Generated Node #0,1,2: 77:[4, 1] Operation: 35/35=1 Exploring Operation: 35+35=70, Resulting Numbers: [4, 70] Generated Node #0,1,3: 77:[4, 70] Operation: 35+35=70 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 77:[4, 1], Operations: ['84-49=35', '35/35=1'] Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,77 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,77 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 77:[4, 0], Operations: ['84-49=35', '35-35=0'] Exploring Operation: 4-0=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 4*0=0, Resulting Numbers: [0] 0,77 unequal: No Solution Exploring Operation: 4+0=4, Resulting Numbers: [4] 4,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 77:[4, 70], Operations: ['84-49=35', '35+35=70'] Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,77 unequal: No Solution Exploring Operation: 4*70=280, Resulting Numbers: [280] 280,77 unequal: No Solution Exploring Operation: 4+70=74, Resulting Numbers: [74] 74,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 77:[35, 31], Operations: ['84-49=35', '35-4=31'] Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,77 unequal: No Solution Exploring Operation: 35*31=1085, Resulting Numbers: [1085] 1085,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 77:[35, 84, 53], Operations: ['49+4=53'] Exploring Operation: 53-35=18, Resulting Numbers: [84, 18] Generated Node #0,2,0: 77:[84, 18] Operation: 53-35=18 Exploring Operation: 84-35=49, Resulting Numbers: [53, 49] Generated Node #0,2,1: 77:[53, 49] Operation: 84-35=49 Exploring Operation: 35+53=88, Resulting Numbers: [84, 88] Generated Node #0,2,2: 77:[84, 88] Operation: 35+53=88 Exploring Operation: 84-53=31, Resulting Numbers: [35, 31] Generated Node #0,2,3: 77:[35, 31] Operation: 84-53=31 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 77:[84, 18], Operations: ['49+4=53', '53-35=18'] Exploring Operation: 84-18=66, Resulting Numbers: [66] 66,77 unequal: No Solution Exploring Operation: 84*18=1512, Resulting Numbers: [1512] 1512,77 unequal: No Solution Exploring Operation: 84+18=102, Resulting Numbers: [102] 102,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 77:[84, 88], Operations: ['49+4=53', '35+53=88'] Exploring Operation: 84+88=172, Resulting Numbers: [172] 172,77 unequal: No Solution Exploring Operation: 84*88=7392, Resulting Numbers: [7392] 7392,77 unequal: No Solution Exploring Operation: 88-84=4, Resulting Numbers: [4] 4,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 77:[35, 31], Operations: ['49+4=53', '84-53=31'] Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,77 unequal: No Solution Exploring Operation: 35*31=1085, Resulting Numbers: [1085] 1085,77 unequal: No Solution Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 77:[53, 49], Operations: ['49+4=53', '84-35=49'] Exploring Operation: 53*49=2597, Resulting Numbers: [2597] 2597,77 unequal: No Solution Exploring Operation: 53-49=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 53+49=102, Resulting Numbers: [102] 102,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,3 Current State: 77:[4, 1], Operations: ['49+35=84', '84/84=1'] Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,77 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,77 unequal: No Solution Moving to Node #0,3,1 Current State: 77:[84, 80], Operations: ['49+35=84', '84-4=80'] Exploring Operation: 84+80=164, Resulting Numbers: [164] 164,77 unequal: No Solution Exploring Operation: 84*80=6720, Resulting Numbers: [6720] 6720,77 unequal: No Solution Exploring Operation: 84-80=4, Resulting Numbers: [4] 4,77 unequal: No Solution Moving to Node #0,3,0 Current State: 77:[84, 80], Operations: ['49+35=84', '84-4=80'] Exploring Operation: 84-80=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 84*80=6720, Resulting Numbers: [6720] 6720,77 unequal: No Solution Exploring Operation: 84+80=164, Resulting Numbers: [164] 164,77 unequal: No Solution Moving to Node #0,3,2 Current State: 77:[4, 0], Operations: ['49+35=84', '84-84=0'] Exploring Operation: 4*0=0, Resulting Numbers: [0] 0,77 unequal: No Solution Exploring Operation: 4-0=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 4+0=4, Resulting Numbers: [4] 4,77 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 70, 13, 97, 58 ]
18
[ "70-13=57", "97-58=39", "57-39=18" ]
Current State: 18:[70, 13, 97, 58], Operations: [] Exploring Operation: 70-13=57, Resulting Numbers: [97, 58, 57] Generated Node #2: [97, 58, 57] from Operation: 70-13=57 Current State: 18:[97, 58, 57], Operations: ['70-13=57'] Exploring Operation: 97-58=39, Resulting Numbers: [57, 39] Generated Node #3: [57, 39] from Operation: 97-58=39 Current State: 18:[57, 39], Operations: ['70-13=57', '97-58=39'] Exploring Operation: 57-39=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[70, 13, 97, 58], Operations: [] Exploring Operation: 97-70=27, Resulting Numbers: [13, 58, 27] Generated Node #0,0: 18:[13, 58, 27] Operation: 97-70=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[13, 58, 27], Operations: ['97-70=27'] Exploring Operation: 58-27=31, Resulting Numbers: [13, 31] Generated Node #0,0,0: 18:[13, 31] Operation: 58-27=31 Moving to Node #0,0,0 Current State: 18:[13, 31], Operations: ['97-70=27', '58-27=31'] Exploring Operation: 31-13=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[70, 13, 97, 58], Operations: [] Exploring Operation: 97-70=27, Resulting Numbers: [13, 58, 27] Generated Node #0,0: 18:[13, 58, 27] Operation: 97-70=27 Moving to Node #0,0 Current State: 18:[13, 58, 27], Operations: ['97-70=27'] Exploring Operation: 58-27=31, Resulting Numbers: [13, 31] Generated Node #0,0,0: 18:[13, 31] Operation: 58-27=31 Moving to Node #0,0,0 Current State: 18:[13, 31], Operations: ['97-70=27', '58-27=31'] Exploring Operation: 31-13=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 7, 49, 25, 72 ]
41
[ "7+49=56", "25+72=97", "97-56=41" ]
Current State: 41:[7, 49, 25, 72], Operations: [] Exploring Operation: 7+49=56, Resulting Numbers: [25, 72, 56] Generated Node #2: [25, 72, 56] from Operation: 7+49=56 Current State: 41:[25, 72, 56], Operations: ['7+49=56'] Exploring Operation: 25+72=97, Resulting Numbers: [56, 97] Generated Node #3: [56, 97] from Operation: 25+72=97 Current State: 41:[56, 97], Operations: ['7+49=56', '25+72=97'] Exploring Operation: 97-56=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[7, 49, 25, 72], Operations: [] Exploring Operation: 7+25=32, Resulting Numbers: [49, 72, 32] Generated Node #0,0: 41:[49, 72, 32] Operation: 7+25=32 Exploring Operation: 72-7=65, Resulting Numbers: [49, 25, 65] Generated Node #0,1: 41:[49, 25, 65] Operation: 72-7=65 Exploring Operation: 49-7=42, Resulting Numbers: [25, 72, 42] Generated Node #0,2: 41:[25, 72, 42] Operation: 49-7=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[49, 72, 32], Operations: ['7+25=32'] Exploring Operation: 72-49=23, Resulting Numbers: [32, 23] Generated Node #0,0,0: 41:[32, 23] Operation: 72-49=23 Exploring Operation: 72-32=40, Resulting Numbers: [49, 40] Generated Node #0,0,1: 41:[49, 40] Operation: 72-32=40 Exploring Operation: 49-32=17, Resulting Numbers: [72, 17] Generated Node #0,0,2: 41:[72, 17] Operation: 49-32=17 Moving to Node #0,0,1 Current State: 41:[49, 40], Operations: ['7+25=32', '72-32=40'] Exploring Operation: 49+40=89, Resulting Numbers: [89] 89,41 unequal: No Solution Exploring Operation: 49-40=9, Resulting Numbers: [9] 9,41 unequal: No Solution Exploring Operation: 49*40=1960, Resulting Numbers: [1960] 1960,41 unequal: No Solution Moving to Node #0,0,0 Current State: 41:[32, 23], Operations: ['7+25=32', '72-49=23'] Exploring Operation: 32+23=55, Resulting Numbers: [55] 55,41 unequal: No Solution Exploring Operation: 32*23=736, Resulting Numbers: [736] 736,41 unequal: No Solution Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,41 unequal: No Solution Moving to Node #0,0,2 Current State: 41:[72, 17], Operations: ['7+25=32', '49-32=17'] Exploring Operation: 72*17=1224, Resulting Numbers: [1224] 1224,41 unequal: No Solution Exploring Operation: 72+17=89, Resulting Numbers: [89] 89,41 unequal: No Solution Exploring Operation: 72-17=55, Resulting Numbers: [55] 55,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[49, 25, 65], Operations: ['72-7=65'] Exploring Operation: 49-25=24, Resulting Numbers: [65, 24] Generated Node #0,1,0: 41:[65, 24] Operation: 49-25=24 Exploring Operation: 65-25=40, Resulting Numbers: [49, 40] Generated Node #0,1,1: 41:[49, 40] Operation: 65-25=40 Exploring Operation: 65-49=16, Resulting Numbers: [25, 16] Generated Node #0,1,2: 41:[25, 16] Operation: 65-49=16 Moving to Node #0,1,1 Current State: 41:[49, 40], Operations: ['72-7=65', '65-25=40'] Exploring Operation: 49-40=9, Resulting Numbers: [9] 9,41 unequal: No Solution Exploring Operation: 49+40=89, Resulting Numbers: [89] 89,41 unequal: No Solution Exploring Operation: 49*40=1960, Resulting Numbers: [1960] 1960,41 unequal: No Solution Moving to Node #0,1,0 Current State: 41:[65, 24], Operations: ['72-7=65', '49-25=24'] Exploring Operation: 65-24=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[7, 49, 25, 72], Operations: [] Exploring Operation: 72-7=65, Resulting Numbers: [49, 25, 65] Generated Node #0,1: 41:[49, 25, 65] Operation: 72-7=65 Moving to Node #0,1 Current State: 41:[49, 25, 65], Operations: ['72-7=65'] Exploring Operation: 49-25=24, Resulting Numbers: [65, 24] Generated Node #0,1,0: 41:[65, 24] Operation: 49-25=24 Moving to Node #0,1,0 Current State: 41:[65, 24], Operations: ['72-7=65', '49-25=24'] Exploring Operation: 65-24=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 8, 23, 30, 82 ]
41
[ "23-8=15", "30/15=2", "82/2=41" ]
Current State: 41:[8, 23, 30, 82], Operations: [] Exploring Operation: 23-8=15, Resulting Numbers: [30, 82, 15] Generated Node #2: [30, 82, 15] from Operation: 23-8=15 Current State: 41:[30, 82, 15], Operations: ['23-8=15'] Exploring Operation: 30/15=2, Resulting Numbers: [82, 2] Generated Node #3: [82, 2] from Operation: 30/15=2 Current State: 41:[82, 2], Operations: ['23-8=15', '30/15=2'] Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[8, 23, 30, 82], Operations: [] Exploring Operation: 8+23=31, Resulting Numbers: [30, 82, 31] Generated Node #0,0: 41:[30, 82, 31] Operation: 8+23=31 Exploring Operation: 8+30=38, Resulting Numbers: [23, 82, 38] Generated Node #0,1: 41:[23, 82, 38] Operation: 8+30=38 Moving to Node #0,0 Current State: 41:[30, 82, 31], Operations: ['8+23=31'] Exploring Operation: 82-30=52, Resulting Numbers: [31, 52] Generated Node #0,0,0: 41:[31, 52] Operation: 82-30=52 Exploring Operation: 82-31=51, Resulting Numbers: [30, 51] Generated Node #0,0,1: 41:[30, 51] Operation: 82-31=51 Moving to Node #0,1 Current State: 41:[23, 82, 38], Operations: ['8+30=38'] Exploring Operation: 82-23=59, Resulting Numbers: [38, 59] Generated Node #0,1,0: 41:[38, 59] Operation: 82-23=59 Exploring Operation: 82-38=44, Resulting Numbers: [23, 44] Generated Node #0,1,1: 41:[23, 44] Operation: 82-38=44 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[38, 59], Operations: ['8+30=38', '82-23=59'] Exploring Operation: 59-38=21, Resulting Numbers: [21] 21,41 unequal: No Solution Exploring Operation: 38+59=97, Resulting Numbers: [97] 97,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[23, 44], Operations: ['8+30=38', '82-38=44'] Exploring Operation: 44-23=21, Resulting Numbers: [21] 21,41 unequal: No Solution Exploring Operation: 23+44=67, Resulting Numbers: [67] 67,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 41:[31, 52], Operations: ['8+23=31', '82-30=52'] Exploring Operation: 31+52=83, Resulting Numbers: [83] 83,41 unequal: No Solution Exploring Operation: 52-31=21, Resulting Numbers: [21] 21,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[30, 51], Operations: ['8+23=31', '82-31=51'] Exploring Operation: 30+51=81, Resulting Numbers: [81] 81,41 unequal: No Solution Exploring Operation: 51-30=21, Resulting Numbers: [21] 21,41 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 14, 24, 80, 88 ]
88
[ "24+88=112", "112/14=8", "80+8=88" ]
Current State: 88:[14, 24, 80, 88], Operations: [] Exploring Operation: 24+88=112, Resulting Numbers: [14, 80, 112] Generated Node #2: [14, 80, 112] from Operation: 24+88=112 Current State: 88:[14, 80, 112], Operations: ['24+88=112'] Exploring Operation: 112/14=8, Resulting Numbers: [80, 8] Generated Node #3: [80, 8] from Operation: 112/14=8 Current State: 88:[80, 8], Operations: ['24+88=112', '112/14=8'] Exploring Operation: 80+8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[14, 24, 80, 88], Operations: [] Exploring Operation: 24-14=10, Resulting Numbers: [80, 88, 10] Generated Node #0,0: 88:[80, 88, 10] Operation: 24-14=10 Exploring Operation: 14+80=94, Resulting Numbers: [24, 88, 94] Generated Node #0,1: 88:[24, 88, 94] Operation: 14+80=94 Exploring Operation: 88-80=8, Resulting Numbers: [14, 24, 8] Generated Node #0,2: 88:[14, 24, 8] Operation: 88-80=8 Moving to Node #0,2 Current State: 88:[14, 24, 8], Operations: ['88-80=8'] Exploring Operation: 14-8=6, Resulting Numbers: [24, 6] Generated Node #0,2,0: 88:[24, 6] Operation: 14-8=6 Exploring Operation: 14+8=22, Resulting Numbers: [24, 22] Generated Node #0,2,1: 88:[24, 22] Operation: 14+8=22 Exploring Operation: 24-14=10, Resulting Numbers: [8, 10] Generated Node #0,2,2: 88:[8, 10] Operation: 24-14=10 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 88:[8, 10], Operations: ['88-80=8', '24-14=10'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,88 unequal: No Solution Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 88:[24, 22], Operations: ['88-80=8', '14+8=22'] Exploring Operation: 24-22=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 24*22=528, Resulting Numbers: [528] 528,88 unequal: No Solution Exploring Operation: 24+22=46, Resulting Numbers: [46] 46,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 88:[24, 6], Operations: ['88-80=8', '14-8=6'] Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,88 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 88:[24, 88, 94], Operations: ['14+80=94'] Exploring Operation: 94-88=6, Resulting Numbers: [24, 6] Generated Node #0,1,0: 88:[24, 6] Operation: 94-88=6 Exploring Operation: 94-24=70, Resulting Numbers: [88, 70] Generated Node #0,1,1: 88:[88, 70] Operation: 94-24=70 Exploring Operation: 88-24=64, Resulting Numbers: [94, 64] Generated Node #0,1,2: 88:[94, 64] Operation: 88-24=64 Moving to Node #0,0 Current State: 88:[80, 88, 10], Operations: ['24-14=10'] Exploring Operation: 80+10=90, Resulting Numbers: [88, 90] Generated Node #0,0,0: 88:[88, 90] Operation: 80+10=90 Exploring Operation: 88-80=8, Resulting Numbers: [10, 8] Generated Node #0,0,1: 88:[10, 8] Operation: 88-80=8 Exploring Operation: 80/10=8, Resulting Numbers: [88, 8] Generated Node #0,0,2: 88:[88, 8] Operation: 80/10=8 Moving to Node #0,0,2 Current State: 88:[88, 8], Operations: ['24-14=10', '80/10=8'] Exploring Operation: 88+8=96, Resulting Numbers: [96] 96,88 unequal: No Solution Exploring Operation: 88/8=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 88-8=80, Resulting Numbers: [80] 80,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[10, 8], Operations: ['24-14=10', '88-80=8'] Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,88 unequal: No Solution Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,88 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[88, 90], Operations: ['24-14=10', '80+10=90'] Exploring Operation: 88*90=7920, Resulting Numbers: [7920] 7920,88 unequal: No Solution Exploring Operation: 90-88=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 88+90=178, Resulting Numbers: [178] 178,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[24, 6], Operations: ['14+80=94', '94-88=6'] Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,88 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[88, 70], Operations: ['14+80=94', '94-24=70'] Exploring Operation: 88+70=158, Resulting Numbers: [158] 158,88 unequal: No Solution Exploring Operation: 88-70=18, Resulting Numbers: [18] 18,88 unequal: No Solution Exploring Operation: 88*70=6160, Resulting Numbers: [6160] 6160,88 unequal: No Solution Moving to Node #0,1,2 Current State: 88:[94, 64], Operations: ['14+80=94', '88-24=64'] Exploring Operation: 94+64=158, Resulting Numbers: [158] 158,88 unequal: No Solution Exploring Operation: 94-64=30, Resulting Numbers: [30] 30,88 unequal: No Solution Exploring Operation: 94*64=6016, Resulting Numbers: [6016] 6016,88 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 25, 38, 52, 36 ]
47
[ "25+38=63", "52-36=16", "63-16=47" ]
Current State: 47:[25, 38, 52, 36], Operations: [] Exploring Operation: 25+38=63, Resulting Numbers: [52, 36, 63] Generated Node #2: [52, 36, 63] from Operation: 25+38=63 Current State: 47:[52, 36, 63], Operations: ['25+38=63'] Exploring Operation: 52-36=16, Resulting Numbers: [63, 16] Generated Node #3: [63, 16] from Operation: 52-36=16 Current State: 47:[63, 16], Operations: ['25+38=63', '52-36=16'] Exploring Operation: 63-16=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[25, 38, 52, 36], Operations: [] Exploring Operation: 25+36=61, Resulting Numbers: [38, 52, 61] Generated Node #0,0: 47:[38, 52, 61] Operation: 25+36=61 Exploring Operation: 25+38=63, Resulting Numbers: [52, 36, 63] Generated Node #0,1: 47:[52, 36, 63] Operation: 25+38=63 Exploring Operation: 52-25=27, Resulting Numbers: [38, 36, 27] Generated Node #0,2: 47:[38, 36, 27] Operation: 52-25=27 Moving to Node #0,0 Current State: 47:[38, 52, 61], Operations: ['25+36=61'] Exploring Operation: 61-38=23, Resulting Numbers: [52, 23] Generated Node #0,0,0: 47:[52, 23] Operation: 61-38=23 Exploring Operation: 52-38=14, Resulting Numbers: [61, 14] Generated Node #0,0,1: 47:[61, 14] Operation: 52-38=14 Exploring Operation: 61-52=9, Resulting Numbers: [38, 9] Generated Node #0,0,2: 47:[38, 9] Operation: 61-52=9 Moving to Node #0,1 Current State: 47:[52, 36, 63], Operations: ['25+38=63'] Exploring Operation: 63-36=27, Resulting Numbers: [52, 27] Generated Node #0,1,0: 47:[52, 27] Operation: 63-36=27 Exploring Operation: 63-52=11, Resulting Numbers: [36, 11] Generated Node #0,1,1: 47:[36, 11] Operation: 63-52=11 Exploring Operation: 52-36=16, Resulting Numbers: [63, 16] Generated Node #0,1,2: 47:[63, 16] Operation: 52-36=16 Moving to Node #0,2 Current State: 47:[38, 36, 27], Operations: ['52-25=27'] Exploring Operation: 38+27=65, Resulting Numbers: [36, 65] Generated Node #0,2,0: 47:[36, 65] Operation: 38+27=65 Exploring Operation: 38+36=74, Resulting Numbers: [27, 74] Generated Node #0,2,1: 47:[27, 74] Operation: 38+36=74 Exploring Operation: 36+27=63, Resulting Numbers: [38, 63] Generated Node #0,2,2: 47:[38, 63] Operation: 36+27=63 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 47:[38, 63], Operations: ['52-25=27', '36+27=63'] Exploring Operation: 63-38=25, Resulting Numbers: [25] 25,47 unequal: No Solution Exploring Operation: 38*63=2394, Resulting Numbers: [2394] 2394,47 unequal: No Solution Exploring Operation: 38+63=101, Resulting Numbers: [101] 101,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[36, 65], Operations: ['52-25=27', '38+27=65'] Exploring Operation: 65-36=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 36+65=101, Resulting Numbers: [101] 101,47 unequal: No Solution Exploring Operation: 36*65=2340, Resulting Numbers: [2340] 2340,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 47:[27, 74], Operations: ['52-25=27', '38+36=74'] Exploring Operation: 27*74=1998, Resulting Numbers: [1998] 1998,47 unequal: No Solution Exploring Operation: 27+74=101, Resulting Numbers: [101] 101,47 unequal: No Solution Exploring Operation: 74-27=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[25, 38, 52, 36], Operations: [] Exploring Operation: 52-25=27, Resulting Numbers: [38, 36, 27] Generated Node #0,2: 47:[38, 36, 27] Operation: 52-25=27 Moving to Node #0,2 Current State: 47:[38, 36, 27], Operations: ['52-25=27'] Exploring Operation: 38+36=74, Resulting Numbers: [27, 74] Generated Node #0,2,1: 47:[27, 74] Operation: 38+36=74 Moving to Node #0,2,1 Current State: 47:[27, 74], Operations: ['52-25=27', '38+36=74'] Exploring Operation: 74-27=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 40, 41, 53, 49 ]
51
[ "53-49=4", "40/4=10", "41+10=51" ]
Current State: 51:[40, 41, 53, 49], Operations: [] Exploring Operation: 53-49=4, Resulting Numbers: [40, 41, 4] Generated Node #2: [40, 41, 4] from Operation: 53-49=4 Current State: 51:[40, 41, 4], Operations: ['53-49=4'] Exploring Operation: 40/4=10, Resulting Numbers: [41, 10] Generated Node #3: [41, 10] from Operation: 40/4=10 Current State: 51:[41, 10], Operations: ['53-49=4', '40/4=10'] Exploring Operation: 41+10=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[40, 41, 53, 49], Operations: [] Exploring Operation: 41-40=1, Resulting Numbers: [53, 49, 1] Generated Node #0,0: 51:[53, 49, 1] Operation: 41-40=1 Moving to Node #0,0 Current State: 51:[53, 49, 1], Operations: ['41-40=1'] Exploring Operation: 53-49=4, Resulting Numbers: [1, 4] Generated Node #0,0,0: 51:[1, 4] Operation: 53-49=4 Moving to Node #0,0,0 Current State: 51:[1, 4], Operations: ['41-40=1', '53-49=4'] Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,51 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 41, 67, 16, 45 ]
55
[ "67-41=26", "45-16=29", "26+29=55" ]
Current State: 55:[41, 67, 16, 45], Operations: [] Exploring Operation: 67-41=26, Resulting Numbers: [16, 45, 26] Generated Node #2: [16, 45, 26] from Operation: 67-41=26 Current State: 55:[16, 45, 26], Operations: ['67-41=26'] Exploring Operation: 45-16=29, Resulting Numbers: [26, 29] Generated Node #3: [26, 29] from Operation: 45-16=29 Current State: 55:[26, 29], Operations: ['67-41=26', '45-16=29'] Exploring Operation: 26+29=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[41, 67, 16, 45], Operations: [] Exploring Operation: 41+16=57, Resulting Numbers: [67, 45, 57] Generated Node #0,0: 55:[67, 45, 57] Operation: 41+16=57 Exploring Operation: 67-16=51, Resulting Numbers: [41, 45, 51] Generated Node #0,1: 55:[41, 45, 51] Operation: 67-16=51 Exploring Operation: 45-41=4, Resulting Numbers: [67, 16, 4] Generated Node #0,2: 55:[67, 16, 4] Operation: 45-41=4 Exploring Operation: 67-41=26, Resulting Numbers: [16, 45, 26] Generated Node #0,3: 55:[16, 45, 26] Operation: 67-41=26 Moving to Node #0,2 Current State: 55:[67, 16, 4], Operations: ['45-41=4'] Exploring Operation: 67-4=63, Resulting Numbers: [16, 63] Generated Node #0,2,0: 55:[16, 63] Operation: 67-4=63 Exploring Operation: 16-4=12, Resulting Numbers: [67, 12] Generated Node #0,2,1: 55:[67, 12] Operation: 16-4=12 Exploring Operation: 67-16=51, Resulting Numbers: [4, 51] Generated Node #0,2,2: 55:[4, 51] Operation: 67-16=51 Exploring Operation: 16/4=4, Resulting Numbers: [67, 4] Generated Node #0,2,3: 55:[67, 4] Operation: 16/4=4 Moving to Node #0,0 Current State: 55:[67, 45, 57], Operations: ['41+16=57'] Exploring Operation: 57-45=12, Resulting Numbers: [67, 12] Generated Node #0,0,0: 55:[67, 12] Operation: 57-45=12 Exploring Operation: 67-57=10, Resulting Numbers: [45, 10] Generated Node #0,0,1: 55:[45, 10] Operation: 67-57=10 Exploring Operation: 67+45=112, Resulting Numbers: [57, 112] Generated Node #0,0,2: 55:[57, 112] Operation: 67+45=112 Exploring Operation: 67-45=22, Resulting Numbers: [57, 22] Generated Node #0,0,3: 55:[57, 22] Operation: 67-45=22 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 55:[45, 10], Operations: ['41+16=57', '67-57=10'] Exploring Operation: 45+10=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[41, 67, 16, 45], Operations: [] Exploring Operation: 41+16=57, Resulting Numbers: [67, 45, 57] Generated Node #0,0: 55:[67, 45, 57] Operation: 41+16=57 Moving to Node #0,0 Current State: 55:[67, 45, 57], Operations: ['41+16=57'] Exploring Operation: 67-57=10, Resulting Numbers: [45, 10] Generated Node #0,0,1: 55:[45, 10] Operation: 67-57=10 Moving to Node #0,0,1 Current State: 55:[45, 10], Operations: ['41+16=57', '67-57=10'] Exploring Operation: 45+10=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 78, 5, 84, 1 ]
30
[ "84-78=6", "5*1=5", "6*5=30" ]
Current State: 30:[78, 5, 84, 1], Operations: [] Exploring Operation: 84-78=6, Resulting Numbers: [5, 1, 6] Generated Node #2: [5, 1, 6] from Operation: 84-78=6 Current State: 30:[5, 1, 6], Operations: ['84-78=6'] Exploring Operation: 5*1=5, Resulting Numbers: [6, 5] Generated Node #3: [6, 5] from Operation: 5*1=5 Current State: 30:[6, 5], Operations: ['84-78=6', '5*1=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[78, 5, 84, 1], Operations: [] Exploring Operation: 78-5=73, Resulting Numbers: [84, 1, 73] Generated Node #0,0: 30:[84, 1, 73] Operation: 78-5=73 Exploring Operation: 84-78=6, Resulting Numbers: [5, 1, 6] Generated Node #0,1: 30:[5, 1, 6] Operation: 84-78=6 Exploring Operation: 84-5=79, Resulting Numbers: [78, 1, 79] Generated Node #0,2: 30:[78, 1, 79] Operation: 84-5=79 Moving to Node #0,1 Current State: 30:[5, 1, 6], Operations: ['84-78=6'] Exploring Operation: 5+1=6, Resulting Numbers: [6, 6] Generated Node #0,1,0: 30:[6, 6] Operation: 5+1=6 Exploring Operation: 5/1=5, Resulting Numbers: [6, 5] Generated Node #0,1,1: 30:[6, 5] Operation: 5/1=5 Exploring Operation: 5*1=5, Resulting Numbers: [6, 5] Generated Node #0,1,2: 30:[6, 5] Operation: 5*1=5 Moving to Node #0,0 Current State: 30:[84, 1, 73], Operations: ['78-5=73'] Exploring Operation: 84-1=83, Resulting Numbers: [73, 83] Generated Node #0,0,0: 30:[73, 83] Operation: 84-1=83 Exploring Operation: 84-73=11, Resulting Numbers: [1, 11] Generated Node #0,0,1: 30:[1, 11] Operation: 84-73=11 Exploring Operation: 73-1=72, Resulting Numbers: [84, 72] Generated Node #0,0,2: 30:[84, 72] Operation: 73-1=72 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 30:[1, 11], Operations: ['78-5=73', '84-73=11'] Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,30 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 1*11=11, Resulting Numbers: [11] 11,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[73, 83], Operations: ['78-5=73', '84-1=83'] Exploring Operation: 83-73=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 73*83=6059, Resulting Numbers: [6059] 6059,30 unequal: No Solution Exploring Operation: 73+83=156, Resulting Numbers: [156] 156,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 30:[84, 72], Operations: ['78-5=73', '73-1=72'] Exploring Operation: 84*72=6048, Resulting Numbers: [6048] 6048,30 unequal: No Solution Exploring Operation: 84-72=12, Resulting Numbers: [12] 12,30 unequal: No Solution Exploring Operation: 84+72=156, Resulting Numbers: [156] 156,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 30:[78, 1, 79], Operations: ['84-5=79'] Exploring Operation: 78-1=77, Resulting Numbers: [79, 77] Generated Node #0,2,0: 30:[79, 77] Operation: 78-1=77 Exploring Operation: 79-78=1, Resulting Numbers: [1, 1] Generated Node #0,2,1: 30:[1, 1] Operation: 79-78=1 Exploring Operation: 79-1=78, Resulting Numbers: [78, 78] Generated Node #0,2,2: 30:[78, 78] Operation: 79-1=78 Moving to Node #0,1,0 Current State: 30:[6, 6], Operations: ['84-78=6', '5+1=6'] Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,30 unequal: No Solution Exploring Operation: 6-6=0, Resulting Numbers: [0] 0,30 unequal: No Solution Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,30 unequal: No Solution Moving to Node #0,1,2 Current State: 30:[6, 5], Operations: ['84-78=6', '5*1=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[78, 5, 84, 1], Operations: [] Exploring Operation: 84-78=6, Resulting Numbers: [5, 1, 6] Generated Node #0,1: 30:[5, 1, 6] Operation: 84-78=6 Moving to Node #0,1 Current State: 30:[5, 1, 6], Operations: ['84-78=6'] Exploring Operation: 5*1=5, Resulting Numbers: [6, 5] Generated Node #0,1,2: 30:[6, 5] Operation: 5*1=5 Moving to Node #0,1,2 Current State: 30:[6, 5], Operations: ['84-78=6', '5*1=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
0.974826
hs_3
sum_heuristic
[ 3, 40, 60, 12 ]
25
[ "3*60=180", "180/12=15", "40-15=25" ]
Current State: 25:[3, 40, 60, 12], Operations: [] Exploring Operation: 3*60=180, Resulting Numbers: [40, 12, 180] Generated Node #2: [40, 12, 180] from Operation: 3*60=180 Current State: 25:[40, 12, 180], Operations: ['3*60=180'] Exploring Operation: 180/12=15, Resulting Numbers: [40, 15] Generated Node #3: [40, 15] from Operation: 180/12=15 Current State: 25:[40, 15], Operations: ['3*60=180', '180/12=15'] Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[3, 40, 60, 12], Operations: [] Exploring Operation: 60/12=5, Resulting Numbers: [3, 40, 5] Generated Node #0,0: 25:[3, 40, 5] Operation: 60/12=5 Exploring Operation: 60-40=20, Resulting Numbers: [3, 12, 20] Generated Node #0,1: 25:[3, 12, 20] Operation: 60-40=20 Moving to Node #0,1 Current State: 25:[3, 12, 20], Operations: ['60-40=20'] Exploring Operation: 20-12=8, Resulting Numbers: [3, 8] Generated Node #0,1,0: 25:[3, 8] Operation: 20-12=8 Exploring Operation: 12/3=4, Resulting Numbers: [20, 4] Generated Node #0,1,1: 25:[20, 4] Operation: 12/3=4 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[3, 8], Operations: ['60-40=20', '20-12=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 25:[20, 4], Operations: ['60-40=20', '12/3=4'] Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,25 unequal: No Solution Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 25:[3, 40, 5], Operations: ['60/12=5'] Exploring Operation: 40/5=8, Resulting Numbers: [3, 8] Generated Node #0,0,0: 25:[3, 8] Operation: 40/5=8 Exploring Operation: 40-3=37, Resulting Numbers: [5, 37] Generated Node #0,0,1: 25:[5, 37] Operation: 40-3=37 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[3, 8], Operations: ['60/12=5', '40/5=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,25 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[5, 37], Operations: ['60/12=5', '40-3=37'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 19, 6, 84, 42 ]
75
[ "19+42=61", "84/6=14", "61+14=75" ]
Current State: 75:[19, 6, 84, 42], Operations: [] Exploring Operation: 19+42=61, Resulting Numbers: [6, 84, 61] Generated Node #2: [6, 84, 61] from Operation: 19+42=61 Current State: 75:[6, 84, 61], Operations: ['19+42=61'] Exploring Operation: 84/6=14, Resulting Numbers: [61, 14] Generated Node #3: [61, 14] from Operation: 84/6=14 Current State: 75:[61, 14], Operations: ['19+42=61', '84/6=14'] Exploring Operation: 61+14=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[19, 6, 84, 42], Operations: [] Exploring Operation: 42-19=23, Resulting Numbers: [6, 84, 23] Generated Node #0,0: 75:[6, 84, 23] Operation: 42-19=23 Exploring Operation: 84/42=2, Resulting Numbers: [19, 6, 2] Generated Node #0,1: 75:[19, 6, 2] Operation: 84/42=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[19, 6, 2], Operations: ['84/42=2'] Exploring Operation: 19-6=13, Resulting Numbers: [2, 13] Generated Node #0,1,0: 75:[2, 13] Operation: 19-6=13 Exploring Operation: 19+6=25, Resulting Numbers: [2, 25] Generated Node #0,1,1: 75:[2, 25] Operation: 19+6=25 Moving to Node #0,1,1 Current State: 75:[2, 25], Operations: ['84/42=2', '19+6=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,75 unequal: No Solution Moving to Node #0,1,0 Current State: 75:[2, 13], Operations: ['84/42=2', '19-6=13'] Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,75 unequal: No Solution Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[6, 84, 23], Operations: ['42-19=23'] Exploring Operation: 84-6=78, Resulting Numbers: [23, 78] Generated Node #0,0,0: 75:[23, 78] Operation: 84-6=78 Exploring Operation: 84/6=14, Resulting Numbers: [23, 14] Generated Node #0,0,1: 75:[23, 14] Operation: 84/6=14 Moving to Node #0,0,1 Current State: 75:[23, 14], Operations: ['42-19=23', '84/6=14'] Exploring Operation: 23-14=9, Resulting Numbers: [9] 9,75 unequal: No Solution Exploring Operation: 23+14=37, Resulting Numbers: [37] 37,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[23, 78], Operations: ['42-19=23', '84-6=78'] Exploring Operation: 23+78=101, Resulting Numbers: [101] 101,75 unequal: No Solution Exploring Operation: 78-23=55, Resulting Numbers: [55] 55,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 38, 34, 19, 11 ]
57
[ "38*34=1292", "1292/19=68", "68-11=57" ]
Current State: 57:[38, 34, 19, 11], Operations: [] Exploring Operation: 38*34=1292, Resulting Numbers: [19, 11, 1292] Generated Node #2: [19, 11, 1292] from Operation: 38*34=1292 Current State: 57:[19, 11, 1292], Operations: ['38*34=1292'] Exploring Operation: 1292/19=68, Resulting Numbers: [11, 68] Generated Node #3: [11, 68] from Operation: 1292/19=68 Current State: 57:[11, 68], Operations: ['38*34=1292', '1292/19=68'] Exploring Operation: 68-11=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[38, 34, 19, 11], Operations: [] Exploring Operation: 38-34=4, Resulting Numbers: [19, 11, 4] Generated Node #0,0: 57:[19, 11, 4] Operation: 38-34=4 Exploring Operation: 38+19=57, Resulting Numbers: [34, 11, 57] Generated Node #0,1: 57:[34, 11, 57] Operation: 38+19=57 Exploring Operation: 38-19=19, Resulting Numbers: [34, 11, 19] Generated Node #0,2: 57:[34, 11, 19] Operation: 38-19=19 Exploring Operation: 38+34=72, Resulting Numbers: [19, 11, 72] Generated Node #0,3: 57:[19, 11, 72] Operation: 38+34=72 Moving to Node #0,0 Current State: 57:[19, 11, 4], Operations: ['38-34=4'] Exploring Operation: 11+4=15, Resulting Numbers: [19, 15] Generated Node #0,0,0: 57:[19, 15] Operation: 11+4=15 Exploring Operation: 11-4=7, Resulting Numbers: [19, 7] Generated Node #0,0,1: 57:[19, 7] Operation: 11-4=7 Exploring Operation: 19-11=8, Resulting Numbers: [4, 8] Generated Node #0,0,2: 57:[4, 8] Operation: 19-11=8 Exploring Operation: 19+11=30, Resulting Numbers: [4, 30] Generated Node #0,0,3: 57:[4, 30] Operation: 19+11=30 Moving to Node #0,2 Current State: 57:[34, 11, 19], Operations: ['38-19=19'] Exploring Operation: 34-19=15, Resulting Numbers: [11, 15] Generated Node #0,2,0: 57:[11, 15] Operation: 34-19=15 Exploring Operation: 34-11=23, Resulting Numbers: [19, 23] Generated Node #0,2,1: 57:[19, 23] Operation: 34-11=23 Exploring Operation: 34+11=45, Resulting Numbers: [19, 45] Generated Node #0,2,2: 57:[19, 45] Operation: 34+11=45 Exploring Operation: 34+19=53, Resulting Numbers: [11, 53] Generated Node #0,2,3: 57:[11, 53] Operation: 34+19=53 Moving to Node #0,1 Current State: 57:[34, 11, 57], Operations: ['38+19=57'] Exploring Operation: 34+11=45, Resulting Numbers: [57, 45] Generated Node #0,1,0: 57:[57, 45] Operation: 34+11=45 Exploring Operation: 34-11=23, Resulting Numbers: [57, 23] Generated Node #0,1,1: 57:[57, 23] Operation: 34-11=23 Exploring Operation: 11+57=68, Resulting Numbers: [34, 68] Generated Node #0,1,2: 57:[34, 68] Operation: 11+57=68 Exploring Operation: 57-34=23, Resulting Numbers: [11, 23] Generated Node #0,1,3: 57:[11, 23] Operation: 57-34=23 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 57:[57, 23], Operations: ['38+19=57', '34-11=23'] Exploring Operation: 57+23=80, Resulting Numbers: [80] 80,57 unequal: No Solution Exploring Operation: 57-23=34, Resulting Numbers: [34] 34,57 unequal: No Solution Exploring Operation: 57*23=1311, Resulting Numbers: [1311] 1311,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 57:[57, 45], Operations: ['38+19=57', '34+11=45'] Exploring Operation: 57+45=102, Resulting Numbers: [102] 102,57 unequal: No Solution Exploring Operation: 57*45=2565, Resulting Numbers: [2565] 2565,57 unequal: No Solution Exploring Operation: 57-45=12, Resulting Numbers: [12] 12,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 57:[11, 23], Operations: ['38+19=57', '57-34=23'] Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 11*23=253, Resulting Numbers: [253] 253,57 unequal: No Solution Exploring Operation: 11+23=34, Resulting Numbers: [34] 34,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 57:[34, 68], Operations: ['38+19=57', '11+57=68'] Exploring Operation: 68/34=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 34+68=102, Resulting Numbers: [102] 102,57 unequal: No Solution Exploring Operation: 68-34=34, Resulting Numbers: [34] 34,57 unequal: No Solution Exploring Operation: 34*68=2312, Resulting Numbers: [2312] 2312,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 57:[19, 11, 72], Operations: ['38+34=72'] Exploring Operation: 19+11=30, Resulting Numbers: [72, 30] Generated Node #0,3,0: 57:[72, 30] Operation: 19+11=30 Exploring Operation: 72-19=53, Resulting Numbers: [11, 53] Generated Node #0,3,1: 57:[11, 53] Operation: 72-19=53 Exploring Operation: 19-11=8, Resulting Numbers: [72, 8] Generated Node #0,3,2: 57:[72, 8] Operation: 19-11=8 Exploring Operation: 72-11=61, Resulting Numbers: [19, 61] Generated Node #0,3,3: 57:[19, 61] Operation: 72-11=61 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 57:[19, 61], Operations: ['38+34=72', '72-11=61'] Exploring Operation: 61-19=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 19+61=80, Resulting Numbers: [80] 80,57 unequal: No Solution Exploring Operation: 19*61=1159, Resulting Numbers: [1159] 1159,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 57:[11, 53], Operations: ['38+34=72', '72-19=53'] Exploring Operation: 11+53=64, Resulting Numbers: [64] 64,57 unequal: No Solution Exploring Operation: 53-11=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 11*53=583, Resulting Numbers: [583] 583,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 57:[72, 8], Operations: ['38+34=72', '19-11=8'] Exploring Operation: 72+8=80, Resulting Numbers: [80] 80,57 unequal: No Solution Exploring Operation: 72*8=576, Resulting Numbers: [576] 576,57 unequal: No Solution Exploring Operation: 72-8=64, Resulting Numbers: [64] 64,57 unequal: No Solution Exploring Operation: 72/8=9, Resulting Numbers: [9] 9,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 57:[72, 30], Operations: ['38+34=72', '19+11=30'] Exploring Operation: 72+30=102, Resulting Numbers: [102] 102,57 unequal: No Solution Exploring Operation: 72*30=2160, Resulting Numbers: [2160] 2160,57 unequal: No Solution Exploring Operation: 72-30=42, Resulting Numbers: [42] 42,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 57:[19, 15], Operations: ['38-34=4', '11+4=15'] Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 19+15=34, Resulting Numbers: [34] 34,57 unequal: No Solution Exploring Operation: 19*15=285, Resulting Numbers: [285] 285,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[19, 7], Operations: ['38-34=4', '11-4=7'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 19+7=26, Resulting Numbers: [26] 26,57 unequal: No Solution Exploring Operation: 19*7=133, Resulting Numbers: [133] 133,57 unequal: No Solution Moving to Node #0,2,1 Current State: 57:[19, 23], Operations: ['38-19=19', '34-11=23'] Exploring Operation: 19+23=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 19*23=437, Resulting Numbers: [437] 437,57 unequal: No Solution Moving to Node #0,0,2 Current State: 57:[4, 8], Operations: ['38-34=4', '19-11=8'] Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,57 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[11, 15], Operations: ['38-19=19', '34-19=15'] Exploring Operation: 11+15=26, Resulting Numbers: [26] 26,57 unequal: No Solution Exploring Operation: 11*15=165, Resulting Numbers: [165] 165,57 unequal: No Solution Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,57 unequal: No Solution Moving to Node #0,2,2 Current State: 57:[19, 45], Operations: ['38-19=19', '34+11=45'] Exploring Operation: 19+45=64, Resulting Numbers: [64] 64,57 unequal: No Solution Exploring Operation: 19*45=855, Resulting Numbers: [855] 855,57 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,57 unequal: No Solution Moving to Node #0,2,3 Current State: 57:[11, 53], Operations: ['38-19=19', '34+19=53'] Exploring Operation: 11*53=583, Resulting Numbers: [583] 583,57 unequal: No Solution Exploring Operation: 53-11=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 11+53=64, Resulting Numbers: [64] 64,57 unequal: No Solution Moving to Node #0,0,3 Current State: 57:[4, 30], Operations: ['38-34=4', '19+11=30'] Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,57 unequal: No Solution Exploring Operation: 4*30=120, Resulting Numbers: [120] 120,57 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,57 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 23, 25, 81, 34 ]
20
[ "81+34=115", "115/23=5", "25-5=20" ]
Current State: 20:[23, 25, 81, 34], Operations: [] Exploring Operation: 81+34=115, Resulting Numbers: [23, 25, 115] Generated Node #2: [23, 25, 115] from Operation: 81+34=115 Current State: 20:[23, 25, 115], Operations: ['81+34=115'] Exploring Operation: 115/23=5, Resulting Numbers: [25, 5] Generated Node #3: [25, 5] from Operation: 115/23=5 Current State: 20:[25, 5], Operations: ['81+34=115', '115/23=5'] Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[23, 25, 81, 34], Operations: [] Exploring Operation: 81-25=56, Resulting Numbers: [23, 34, 56] Generated Node #0,0: 20:[23, 34, 56] Operation: 81-25=56 Exploring Operation: 81-34=47, Resulting Numbers: [23, 25, 47] Generated Node #0,1: 20:[23, 25, 47] Operation: 81-34=47 Moving to Node #0,1 Current State: 20:[23, 25, 47], Operations: ['81-34=47'] Exploring Operation: 47-23=24, Resulting Numbers: [25, 24] Generated Node #0,1,0: 20:[25, 24] Operation: 47-23=24 Exploring Operation: 47-25=22, Resulting Numbers: [23, 22] Generated Node #0,1,1: 20:[23, 22] Operation: 47-25=22 Moving to Node #0,0 Current State: 20:[23, 34, 56], Operations: ['81-25=56'] Exploring Operation: 56-34=22, Resulting Numbers: [23, 22] Generated Node #0,0,0: 20:[23, 22] Operation: 56-34=22 Exploring Operation: 56-23=33, Resulting Numbers: [34, 33] Generated Node #0,0,1: 20:[34, 33] Operation: 56-23=33 Moving to Node #0,1,1 Current State: 20:[23, 22], Operations: ['81-34=47', '47-25=22'] Exploring Operation: 23+22=45, Resulting Numbers: [45] 45,20 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[23, 22], Operations: ['81-25=56', '56-34=22'] Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 23+22=45, Resulting Numbers: [45] 45,20 unequal: No Solution Moving to Node #0,1,0 Current State: 20:[25, 24], Operations: ['81-34=47', '47-23=24'] Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,20 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,20 unequal: No Solution Moving to Node #0,0,1 Current State: 20:[34, 33], Operations: ['81-25=56', '56-23=33'] Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 34+33=67, Resulting Numbers: [67] 67,20 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 24, 40, 19, 27 ]
19
[ "24-19=5", "40/5=8", "27-8=19" ]
Current State: 19:[24, 40, 19, 27], Operations: [] Exploring Operation: 24-19=5, Resulting Numbers: [40, 27, 5] Generated Node #2: [40, 27, 5] from Operation: 24-19=5 Current State: 19:[40, 27, 5], Operations: ['24-19=5'] Exploring Operation: 40/5=8, Resulting Numbers: [27, 8] Generated Node #3: [27, 8] from Operation: 40/5=8 Current State: 19:[27, 8], Operations: ['24-19=5', '40/5=8'] Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[24, 40, 19, 27], Operations: [] Exploring Operation: 40-19=21, Resulting Numbers: [24, 27, 21] Generated Node #0,0: 19:[24, 27, 21] Operation: 40-19=21 Exploring Operation: 40-27=13, Resulting Numbers: [24, 19, 13] Generated Node #0,1: 19:[24, 19, 13] Operation: 40-27=13 Exploring Operation: 40-24=16, Resulting Numbers: [19, 27, 16] Generated Node #0,2: 19:[19, 27, 16] Operation: 40-24=16 Exploring Operation: 27-24=3, Resulting Numbers: [40, 19, 3] Generated Node #0,3: 19:[40, 19, 3] Operation: 27-24=3 Exploring Operation: 27-19=8, Resulting Numbers: [24, 40, 8] Generated Node #0,4: 19:[24, 40, 8] Operation: 27-19=8 Moving to Node #0,1 Current State: 19:[24, 19, 13], Operations: ['40-27=13'] Exploring Operation: 24-19=5, Resulting Numbers: [13, 5] Generated Node #0,1,0: 19:[13, 5] Operation: 24-19=5 Exploring Operation: 24-13=11, Resulting Numbers: [19, 11] Generated Node #0,1,1: 19:[19, 11] Operation: 24-13=11 Exploring Operation: 19+13=32, Resulting Numbers: [24, 32] Generated Node #0,1,2: 19:[24, 32] Operation: 19+13=32 Exploring Operation: 19-13=6, Resulting Numbers: [24, 6] Generated Node #0,1,3: 19:[24, 6] Operation: 19-13=6 Exploring Operation: 24+13=37, Resulting Numbers: [19, 37] Generated Node #0,1,4: 19:[19, 37] Operation: 24+13=37 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 19:[19, 11], Operations: ['40-27=13', '24-13=11'] Exploring Operation: 19*11=209, Resulting Numbers: [209] 209,19 unequal: No Solution Exploring Operation: 19+11=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 19:[24, 32], Operations: ['40-27=13', '19+13=32'] Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,19 unequal: No Solution Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 19:[24, 6], Operations: ['40-27=13', '19-13=6'] Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,19 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 24*6=144, Resulting Numbers: [144] 144,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 19:[19, 37], Operations: ['40-27=13', '24+13=37'] Exploring Operation: 19+37=56, Resulting Numbers: [56] 56,19 unequal: No Solution Exploring Operation: 19*37=703, Resulting Numbers: [703] 703,19 unequal: No Solution Exploring Operation: 37-19=18, Resulting Numbers: [18] 18,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 19:[13, 5], Operations: ['40-27=13', '24-19=5'] Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,19 unequal: No Solution Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 19:[19, 27, 16], Operations: ['40-24=16'] Exploring Operation: 19+16=35, Resulting Numbers: [27, 35] Generated Node #0,2,0: 19:[27, 35] Operation: 19+16=35 Exploring Operation: 19-16=3, Resulting Numbers: [27, 3] Generated Node #0,2,1: 19:[27, 3] Operation: 19-16=3 Exploring Operation: 27+16=43, Resulting Numbers: [19, 43] Generated Node #0,2,2: 19:[19, 43] Operation: 27+16=43 Exploring Operation: 27-19=8, Resulting Numbers: [16, 8] Generated Node #0,2,3: 19:[16, 8] Operation: 27-19=8 Exploring Operation: 27-16=11, Resulting Numbers: [19, 11] Generated Node #0,2,4: 19:[19, 11] Operation: 27-16=11 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 19:[19, 11], Operations: ['40-24=16', '27-16=11'] Exploring Operation: 19+11=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 19*11=209, Resulting Numbers: [209] 209,19 unequal: No Solution Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 19:[16, 8], Operations: ['40-24=16', '27-19=8'] Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 16*8=128, Resulting Numbers: [128] 128,19 unequal: No Solution Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 19:[27, 35], Operations: ['40-24=16', '19+16=35'] Exploring Operation: 27*35=945, Resulting Numbers: [945] 945,19 unequal: No Solution Exploring Operation: 35-27=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 27+35=62, Resulting Numbers: [62] 62,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 19:[27, 3], Operations: ['40-24=16', '19-16=3'] Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,19 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 27+3=30, Resulting Numbers: [30] 30,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 19:[19, 43], Operations: ['40-24=16', '27+16=43'] Exploring Operation: 19*43=817, Resulting Numbers: [817] 817,19 unequal: No Solution Exploring Operation: 19+43=62, Resulting Numbers: [62] 62,19 unequal: No Solution Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 19:[24, 27, 21], Operations: ['40-19=21'] Exploring Operation: 24+27=51, Resulting Numbers: [21, 51] Generated Node #0,0,0: 19:[21, 51] Operation: 24+27=51 Exploring Operation: 24+21=45, Resulting Numbers: [27, 45] Generated Node #0,0,1: 19:[27, 45] Operation: 24+21=45 Exploring Operation: 24-21=3, Resulting Numbers: [27, 3] Generated Node #0,0,2: 19:[27, 3] Operation: 24-21=3 Exploring Operation: 27-24=3, Resulting Numbers: [21, 3] Generated Node #0,0,3: 19:[21, 3] Operation: 27-24=3 Exploring Operation: 27-21=6, Resulting Numbers: [24, 6] Generated Node #0,0,4: 19:[24, 6] Operation: 27-21=6 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 19:[21, 3], Operations: ['40-19=21', '27-24=3'] Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,19 unequal: No Solution Exploring Operation: 21+3=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,19 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 19:[24, 6], Operations: ['40-19=21', '27-21=6'] Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 24*6=144, Resulting Numbers: [144] 144,19 unequal: No Solution Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[27, 3], Operations: ['40-19=21', '24-21=3'] Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 27+3=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[21, 51], Operations: ['40-19=21', '24+27=51'] Exploring Operation: 21*51=1071, Resulting Numbers: [1071] 1071,19 unequal: No Solution Exploring Operation: 51-21=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 21+51=72, Resulting Numbers: [72] 72,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[27, 45], Operations: ['40-19=21', '24+21=45'] Exploring Operation: 45-27=18, Resulting Numbers: [18] 18,19 unequal: No Solution Exploring Operation: 27*45=1215, Resulting Numbers: [1215] 1215,19 unequal: No Solution Exploring Operation: 27+45=72, Resulting Numbers: [72] 72,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 19:[40, 19, 3], Operations: ['27-24=3'] Exploring Operation: 40+3=43, Resulting Numbers: [19, 43] Generated Node #0,3,0: 19:[19, 43] Operation: 40+3=43 Exploring Operation: 40-3=37, Resulting Numbers: [19, 37] Generated Node #0,3,1: 19:[19, 37] Operation: 40-3=37 Exploring Operation: 40-19=21, Resulting Numbers: [3, 21] Generated Node #0,3,2: 19:[3, 21] Operation: 40-19=21 Exploring Operation: 19-3=16, Resulting Numbers: [40, 16] Generated Node #0,3,3: 19:[40, 16] Operation: 19-3=16 Exploring Operation: 19+3=22, Resulting Numbers: [40, 22] Generated Node #0,3,4: 19:[40, 22] Operation: 19+3=22 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 19:[19, 37], Operations: ['27-24=3', '40-3=37'] Exploring Operation: 19+37=56, Resulting Numbers: [56] 56,19 unequal: No Solution Exploring Operation: 19*37=703, Resulting Numbers: [703] 703,19 unequal: No Solution Exploring Operation: 37-19=18, Resulting Numbers: [18] 18,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 19:[3, 21], Operations: ['27-24=3', '40-19=21'] Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,19 unequal: No Solution Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,19 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 19:[19, 43], Operations: ['27-24=3', '40+3=43'] Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 19*43=817, Resulting Numbers: [817] 817,19 unequal: No Solution Exploring Operation: 19+43=62, Resulting Numbers: [62] 62,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 19:[40, 16], Operations: ['27-24=3', '19-3=16'] Exploring Operation: 40*16=640, Resulting Numbers: [640] 640,19 unequal: No Solution Exploring Operation: 40-16=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 40+16=56, Resulting Numbers: [56] 56,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 19:[40, 22], Operations: ['27-24=3', '19+3=22'] Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,19 unequal: No Solution Exploring Operation: 40*22=880, Resulting Numbers: [880] 880,19 unequal: No Solution Exploring Operation: 40+22=62, Resulting Numbers: [62] 62,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 19:[24, 40, 8], Operations: ['27-19=8'] Exploring Operation: 24+8=32, Resulting Numbers: [40, 32] Generated Node #0,4,0: 19:[40, 32] Operation: 24+8=32 Exploring Operation: 40/8=5, Resulting Numbers: [24, 5] Generated Node #0,4,1: 19:[24, 5] Operation: 40/8=5 Exploring Operation: 40-8=32, Resulting Numbers: [24, 32] Generated Node #0,4,2: 19:[24, 32] Operation: 40-8=32 Exploring Operation: 40-24=16, Resulting Numbers: [8, 16] Generated Node #0,4,3: 19:[8, 16] Operation: 40-24=16 Exploring Operation: 24-8=16, Resulting Numbers: [40, 16] Generated Node #0,4,4: 19:[40, 16] Operation: 24-8=16 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 19:[8, 16], Operations: ['27-19=8', '40-24=16'] Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 8+16=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 8*16=128, Resulting Numbers: [128] 128,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 19:[24, 32], Operations: ['27-19=8', '40-8=32'] Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,19 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 19:[24, 5], Operations: ['27-19=8', '40/8=5'] Exploring Operation: 24*5=120, Resulting Numbers: [120] 120,19 unequal: No Solution Exploring Operation: 24+5=29, Resulting Numbers: [29] 29,19 unequal: No Solution Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[24, 40, 19, 27], Operations: [] Exploring Operation: 27-19=8, Resulting Numbers: [24, 40, 8] Generated Node #0,4: 19:[24, 40, 8] Operation: 27-19=8 Moving to Node #0,4 Current State: 19:[24, 40, 8], Operations: ['27-19=8'] Exploring Operation: 40/8=5, Resulting Numbers: [24, 5] Generated Node #0,4,1: 19:[24, 5] Operation: 40/8=5 Moving to Node #0,4,1 Current State: 19:[24, 5], Operations: ['27-19=8', '40/8=5'] Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.903646
hs_5
sum_heuristic
[ 57, 69, 26, 16 ]
22
[ "69-57=12", "26-16=10", "12+10=22" ]
Current State: 22:[57, 69, 26, 16], Operations: [] Exploring Operation: 69-57=12, Resulting Numbers: [26, 16, 12] Generated Node #2: [26, 16, 12] from Operation: 69-57=12 Current State: 22:[26, 16, 12], Operations: ['69-57=12'] Exploring Operation: 26-16=10, Resulting Numbers: [12, 10] Generated Node #3: [12, 10] from Operation: 26-16=10 Current State: 22:[12, 10], Operations: ['69-57=12', '26-16=10'] Exploring Operation: 12+10=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[57, 69, 26, 16], Operations: [] Exploring Operation: 57-26=31, Resulting Numbers: [69, 16, 31] Generated Node #0,0: 22:[69, 16, 31] Operation: 57-26=31 Exploring Operation: 69-57=12, Resulting Numbers: [26, 16, 12] Generated Node #0,1: 22:[26, 16, 12] Operation: 69-57=12 Moving to Node #0,1 Current State: 22:[26, 16, 12], Operations: ['69-57=12'] Exploring Operation: 16-12=4, Resulting Numbers: [26, 4] Generated Node #0,1,0: 22:[26, 4] Operation: 16-12=4 Exploring Operation: 26-16=10, Resulting Numbers: [12, 10] Generated Node #0,1,1: 22:[12, 10] Operation: 26-16=10 Moving to Node #0,0 Current State: 22:[69, 16, 31], Operations: ['57-26=31'] Exploring Operation: 69-16=53, Resulting Numbers: [31, 53] Generated Node #0,0,0: 22:[31, 53] Operation: 69-16=53 Exploring Operation: 69-31=38, Resulting Numbers: [16, 38] Generated Node #0,0,1: 22:[16, 38] Operation: 69-31=38 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 22:[16, 38], Operations: ['57-26=31', '69-31=38'] Exploring Operation: 38-16=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[57, 69, 26, 16], Operations: [] Exploring Operation: 57-26=31, Resulting Numbers: [69, 16, 31] Generated Node #0,0: 22:[69, 16, 31] Operation: 57-26=31 Moving to Node #0,0 Current State: 22:[69, 16, 31], Operations: ['57-26=31'] Exploring Operation: 69-31=38, Resulting Numbers: [16, 38] Generated Node #0,0,1: 22:[16, 38] Operation: 69-31=38 Moving to Node #0,0,1 Current State: 22:[16, 38], Operations: ['57-26=31', '69-31=38'] Exploring Operation: 38-16=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 86, 12, 36, 48 ]
88
[ "36-12=24", "48/24=2", "86+2=88" ]
Current State: 88:[86, 12, 36, 48], Operations: [] Exploring Operation: 36-12=24, Resulting Numbers: [86, 48, 24] Generated Node #2: [86, 48, 24] from Operation: 36-12=24 Current State: 88:[86, 48, 24], Operations: ['36-12=24'] Exploring Operation: 48/24=2, Resulting Numbers: [86, 2] Generated Node #3: [86, 2] from Operation: 48/24=2 Current State: 88:[86, 2], Operations: ['36-12=24', '48/24=2'] Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[86, 12, 36, 48], Operations: [] Exploring Operation: 36-12=24, Resulting Numbers: [86, 48, 24] Generated Node #0,0: 88:[86, 48, 24] Operation: 36-12=24 Exploring Operation: 36/12=3, Resulting Numbers: [86, 48, 3] Generated Node #0,1: 88:[86, 48, 3] Operation: 36/12=3 Exploring Operation: 48-36=12, Resulting Numbers: [86, 12, 12] Generated Node #0,2: 88:[86, 12, 12] Operation: 48-36=12 Exploring Operation: 36+48=84, Resulting Numbers: [86, 12, 84] Generated Node #0,3: 88:[86, 12, 84] Operation: 36+48=84 Moving to Node #0,2 Current State: 88:[86, 12, 12], Operations: ['48-36=12'] Exploring Operation: 86+12=98, Resulting Numbers: [12, 98] Generated Node #0,2,0: 88:[12, 98] Operation: 86+12=98 Exploring Operation: 12-12=0, Resulting Numbers: [86, 0] Generated Node #0,2,1: 88:[86, 0] Operation: 12-12=0 Exploring Operation: 12+12=24, Resulting Numbers: [86, 24] Generated Node #0,2,2: 88:[86, 24] Operation: 12+12=24 Exploring Operation: 12/12=1, Resulting Numbers: [86, 1] Generated Node #0,2,3: 88:[86, 1] Operation: 12/12=1 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 88:[86, 1], Operations: ['48-36=12', '12/12=1'] Exploring Operation: 86/1=86, Resulting Numbers: [86] 86,88 unequal: No Solution Exploring Operation: 86+1=87, Resulting Numbers: [87] 87,88 unequal: No Solution Exploring Operation: 86*1=86, Resulting Numbers: [86] 86,88 unequal: No Solution Exploring Operation: 86-1=85, Resulting Numbers: [85] 85,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 88:[86, 0], Operations: ['48-36=12', '12-12=0'] Exploring Operation: 86+0=86, Resulting Numbers: [86] 86,88 unequal: No Solution Exploring Operation: 86-0=86, Resulting Numbers: [86] 86,88 unequal: No Solution Exploring Operation: 86*0=0, Resulting Numbers: [0] 0,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 88:[86, 24], Operations: ['48-36=12', '12+12=24'] Exploring Operation: 86+24=110, Resulting Numbers: [110] 110,88 unequal: No Solution Exploring Operation: 86-24=62, Resulting Numbers: [62] 62,88 unequal: No Solution Exploring Operation: 86*24=2064, Resulting Numbers: [2064] 2064,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 88:[12, 98], Operations: ['48-36=12', '86+12=98'] Exploring Operation: 12*98=1176, Resulting Numbers: [1176] 1176,88 unequal: No Solution Exploring Operation: 98-12=86, Resulting Numbers: [86] 86,88 unequal: No Solution Exploring Operation: 12+98=110, Resulting Numbers: [110] 110,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 88:[86, 12, 84], Operations: ['36+48=84'] Exploring Operation: 84/12=7, Resulting Numbers: [86, 7] Generated Node #0,3,0: 88:[86, 7] Operation: 84/12=7 Exploring Operation: 12+84=96, Resulting Numbers: [86, 96] Generated Node #0,3,1: 88:[86, 96] Operation: 12+84=96 Exploring Operation: 86+12=98, Resulting Numbers: [84, 98] Generated Node #0,3,2: 88:[84, 98] Operation: 86+12=98 Exploring Operation: 86-84=2, Resulting Numbers: [12, 2] Generated Node #0,3,3: 88:[12, 2] Operation: 86-84=2 Moving to Node #0,1 Current State: 88:[86, 48, 3], Operations: ['36/12=3'] Exploring Operation: 86+3=89, Resulting Numbers: [48, 89] Generated Node #0,1,0: 88:[48, 89] Operation: 86+3=89 Exploring Operation: 86-48=38, Resulting Numbers: [3, 38] Generated Node #0,1,1: 88:[3, 38] Operation: 86-48=38 Exploring Operation: 48-3=45, Resulting Numbers: [86, 45] Generated Node #0,1,2: 88:[86, 45] Operation: 48-3=45 Exploring Operation: 48/3=16, Resulting Numbers: [86, 16] Generated Node #0,1,3: 88:[86, 16] Operation: 48/3=16 Moving to Node #0,0 Current State: 88:[86, 48, 24], Operations: ['36-12=24'] Exploring Operation: 86-48=38, Resulting Numbers: [24, 38] Generated Node #0,0,0: 88:[24, 38] Operation: 86-48=38 Exploring Operation: 48/24=2, Resulting Numbers: [86, 2] Generated Node #0,0,1: 88:[86, 2] Operation: 48/24=2 Exploring Operation: 48-24=24, Resulting Numbers: [86, 24] Generated Node #0,0,2: 88:[86, 24] Operation: 48-24=24 Exploring Operation: 48+24=72, Resulting Numbers: [86, 72] Generated Node #0,0,3: 88:[86, 72] Operation: 48+24=72 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 88:[86, 2], Operations: ['36-12=24', '48/24=2'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,88 unequal: No Solution Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 86*2=172, Resulting Numbers: [172] 172,88 unequal: No Solution Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[86, 12, 36, 48], Operations: [] Exploring Operation: 36-12=24, Resulting Numbers: [86, 48, 24] Generated Node #0,0: 88:[86, 48, 24] Operation: 36-12=24 Moving to Node #0,0 Current State: 88:[86, 48, 24], Operations: ['36-12=24'] Exploring Operation: 48/24=2, Resulting Numbers: [86, 2] Generated Node #0,0,1: 88:[86, 2] Operation: 48/24=2 Moving to Node #0,0,1 Current State: 88:[86, 2], Operations: ['36-12=24', '48/24=2'] Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_4
mult_heuristic
[ 90, 77, 73, 75 ]
28
[ "77-75=2", "90/2=45", "73-45=28" ]
Current State: 28:[90, 77, 73, 75], Operations: [] Exploring Operation: 77-75=2, Resulting Numbers: [90, 73, 2] Generated Node #2: [90, 73, 2] from Operation: 77-75=2 Current State: 28:[90, 73, 2], Operations: ['77-75=2'] Exploring Operation: 90/2=45, Resulting Numbers: [73, 45] Generated Node #3: [73, 45] from Operation: 90/2=45 Current State: 28:[73, 45], Operations: ['77-75=2', '90/2=45'] Exploring Operation: 73-45=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[90, 77, 73, 75], Operations: [] Exploring Operation: 90-75=15, Resulting Numbers: [77, 73, 15] Generated Node #0,0: 28:[77, 73, 15] Operation: 90-75=15 Exploring Operation: 90-77=13, Resulting Numbers: [73, 75, 13] Generated Node #0,1: 28:[73, 75, 13] Operation: 90-77=13 Exploring Operation: 90-73=17, Resulting Numbers: [77, 75, 17] Generated Node #0,2: 28:[77, 75, 17] Operation: 90-73=17 Exploring Operation: 77-75=2, Resulting Numbers: [90, 73, 2] Generated Node #0,3: 28:[90, 73, 2] Operation: 77-75=2 Moving to Node #0,1 Current State: 28:[73, 75, 13], Operations: ['90-77=13'] Exploring Operation: 75-13=62, Resulting Numbers: [73, 62] Generated Node #0,1,0: 28:[73, 62] Operation: 75-13=62 Exploring Operation: 73+13=86, Resulting Numbers: [75, 86] Generated Node #0,1,1: 28:[75, 86] Operation: 73+13=86 Exploring Operation: 73-13=60, Resulting Numbers: [75, 60] Generated Node #0,1,2: 28:[75, 60] Operation: 73-13=60 Exploring Operation: 75-73=2, Resulting Numbers: [13, 2] Generated Node #0,1,3: 28:[13, 2] Operation: 75-73=2 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 28:[13, 2], Operations: ['90-77=13', '75-73=2'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,28 unequal: No Solution Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,28 unequal: No Solution Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[73, 62], Operations: ['90-77=13', '75-13=62'] Exploring Operation: 73*62=4526, Resulting Numbers: [4526] 4526,28 unequal: No Solution Exploring Operation: 73+62=135, Resulting Numbers: [135] 135,28 unequal: No Solution Exploring Operation: 73-62=11, Resulting Numbers: [11] 11,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 28:[75, 60], Operations: ['90-77=13', '73-13=60'] Exploring Operation: 75*60=4500, Resulting Numbers: [4500] 4500,28 unequal: No Solution Exploring Operation: 75-60=15, Resulting Numbers: [15] 15,28 unequal: No Solution Exploring Operation: 75+60=135, Resulting Numbers: [135] 135,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[75, 86], Operations: ['90-77=13', '73+13=86'] Exploring Operation: 86-75=11, Resulting Numbers: [11] 11,28 unequal: No Solution Exploring Operation: 75+86=161, Resulting Numbers: [161] 161,28 unequal: No Solution Exploring Operation: 75*86=6450, Resulting Numbers: [6450] 6450,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 28:[77, 73, 15], Operations: ['90-75=15'] Exploring Operation: 73-15=58, Resulting Numbers: [77, 58] Generated Node #0,0,0: 28:[77, 58] Operation: 73-15=58 Exploring Operation: 77-15=62, Resulting Numbers: [73, 62] Generated Node #0,0,1: 28:[73, 62] Operation: 77-15=62 Exploring Operation: 77-73=4, Resulting Numbers: [15, 4] Generated Node #0,0,2: 28:[15, 4] Operation: 77-73=4 Exploring Operation: 77+15=92, Resulting Numbers: [73, 92] Generated Node #0,0,3: 28:[73, 92] Operation: 77+15=92 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 28:[15, 4], Operations: ['90-75=15', '77-73=4'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,28 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,28 unequal: No Solution Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[77, 58], Operations: ['90-75=15', '73-15=58'] Exploring Operation: 77-58=19, Resulting Numbers: [19] 19,28 unequal: No Solution Exploring Operation: 77+58=135, Resulting Numbers: [135] 135,28 unequal: No Solution Exploring Operation: 77*58=4466, Resulting Numbers: [4466] 4466,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 28:[73, 62], Operations: ['90-75=15', '77-15=62'] Exploring Operation: 73-62=11, Resulting Numbers: [11] 11,28 unequal: No Solution Exploring Operation: 73*62=4526, Resulting Numbers: [4526] 4526,28 unequal: No Solution Exploring Operation: 73+62=135, Resulting Numbers: [135] 135,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 28:[73, 92], Operations: ['90-75=15', '77+15=92'] Exploring Operation: 92-73=19, Resulting Numbers: [19] 19,28 unequal: No Solution Exploring Operation: 73+92=165, Resulting Numbers: [165] 165,28 unequal: No Solution Exploring Operation: 73*92=6716, Resulting Numbers: [6716] 6716,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 28:[77, 75, 17], Operations: ['90-73=17'] Exploring Operation: 75-17=58, Resulting Numbers: [77, 58] Generated Node #0,2,0: 28:[77, 58] Operation: 75-17=58 Exploring Operation: 77-75=2, Resulting Numbers: [17, 2] Generated Node #0,2,1: 28:[17, 2] Operation: 77-75=2 Exploring Operation: 77+17=94, Resulting Numbers: [75, 94] Generated Node #0,2,2: 28:[75, 94] Operation: 77+17=94 Exploring Operation: 77-17=60, Resulting Numbers: [75, 60] Generated Node #0,2,3: 28:[75, 60] Operation: 77-17=60 Moving to Node #0,3 Current State: 28:[90, 73, 2], Operations: ['77-75=2'] Exploring Operation: 90/2=45, Resulting Numbers: [73, 45] Generated Node #0,3,0: 28:[73, 45] Operation: 90/2=45 Exploring Operation: 73-2=71, Resulting Numbers: [90, 71] Generated Node #0,3,1: 28:[90, 71] Operation: 73-2=71 Exploring Operation: 90-2=88, Resulting Numbers: [73, 88] Generated Node #0,3,2: 28:[73, 88] Operation: 90-2=88 Exploring Operation: 90-73=17, Resulting Numbers: [2, 17] Generated Node #0,3,3: 28:[2, 17] Operation: 90-73=17 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 28:[2, 17], Operations: ['77-75=2', '90-73=17'] Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,28 unequal: No Solution Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,28 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 28:[73, 45], Operations: ['77-75=2', '90/2=45'] Exploring Operation: 73+45=118, Resulting Numbers: [118] 118,28 unequal: No Solution Exploring Operation: 73*45=3285, Resulting Numbers: [3285] 3285,28 unequal: No Solution Exploring Operation: 73-45=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[90, 77, 73, 75], Operations: [] Exploring Operation: 77-75=2, Resulting Numbers: [90, 73, 2] Generated Node #0,3: 28:[90, 73, 2] Operation: 77-75=2 Moving to Node #0,3 Current State: 28:[90, 73, 2], Operations: ['77-75=2'] Exploring Operation: 90/2=45, Resulting Numbers: [73, 45] Generated Node #0,3,0: 28:[73, 45] Operation: 90/2=45 Moving to Node #0,3,0 Current State: 28:[73, 45], Operations: ['77-75=2', '90/2=45'] Exploring Operation: 73-45=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.953125
hs_4
sum_heuristic
[ 32, 22, 36, 12 ]
16
[ "36-22=14", "14-12=2", "32/2=16" ]
Current State: 16:[32, 22, 36, 12], Operations: [] Exploring Operation: 36-22=14, Resulting Numbers: [32, 12, 14] Generated Node #2: [32, 12, 14] from Operation: 36-22=14 Current State: 16:[32, 12, 14], Operations: ['36-22=14'] Exploring Operation: 14-12=2, Resulting Numbers: [32, 2] Generated Node #3: [32, 2] from Operation: 14-12=2 Current State: 16:[32, 2], Operations: ['36-22=14', '14-12=2'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[32, 22, 36, 12], Operations: [] Exploring Operation: 36-32=4, Resulting Numbers: [22, 12, 4] Generated Node #0,0: 16:[22, 12, 4] Operation: 36-32=4 Exploring Operation: 36/12=3, Resulting Numbers: [32, 22, 3] Generated Node #0,1: 16:[32, 22, 3] Operation: 36/12=3 Exploring Operation: 32-12=20, Resulting Numbers: [22, 36, 20] Generated Node #0,2: 16:[22, 36, 20] Operation: 32-12=20 Exploring Operation: 32-22=10, Resulting Numbers: [36, 12, 10] Generated Node #0,3: 16:[36, 12, 10] Operation: 32-22=10 Exploring Operation: 36-22=14, Resulting Numbers: [32, 12, 14] Generated Node #0,4: 16:[32, 12, 14] Operation: 36-22=14 Moving to Node #0,0 Current State: 16:[22, 12, 4], Operations: ['36-32=4'] Exploring Operation: 22-12=10, Resulting Numbers: [4, 10] Generated Node #0,0,0: 16:[4, 10] Operation: 22-12=10 Exploring Operation: 12/4=3, Resulting Numbers: [22, 3] Generated Node #0,0,1: 16:[22, 3] Operation: 12/4=3 Exploring Operation: 12+4=16, Resulting Numbers: [22, 16] Generated Node #0,0,2: 16:[22, 16] Operation: 12+4=16 Exploring Operation: 22-4=18, Resulting Numbers: [12, 18] Generated Node #0,0,3: 16:[12, 18] Operation: 22-4=18 Exploring Operation: 12-4=8, Resulting Numbers: [22, 8] Generated Node #0,0,4: 16:[22, 8] Operation: 12-4=8 Moving to Node #0,4 Current State: 16:[32, 12, 14], Operations: ['36-22=14'] Exploring Operation: 14-12=2, Resulting Numbers: [32, 2] Generated Node #0,4,0: 16:[32, 2] Operation: 14-12=2 Exploring Operation: 12+14=26, Resulting Numbers: [32, 26] Generated Node #0,4,1: 16:[32, 26] Operation: 12+14=26 Exploring Operation: 32-12=20, Resulting Numbers: [14, 20] Generated Node #0,4,2: 16:[14, 20] Operation: 32-12=20 Exploring Operation: 32+12=44, Resulting Numbers: [14, 44] Generated Node #0,4,3: 16:[14, 44] Operation: 32+12=44 Exploring Operation: 32-14=18, Resulting Numbers: [12, 18] Generated Node #0,4,4: 16:[12, 18] Operation: 32-14=18 Moving to Node #0,1 Current State: 16:[32, 22, 3], Operations: ['36/12=3'] Exploring Operation: 32-3=29, Resulting Numbers: [22, 29] Generated Node #0,1,0: 16:[22, 29] Operation: 32-3=29 Exploring Operation: 22-3=19, Resulting Numbers: [32, 19] Generated Node #0,1,1: 16:[32, 19] Operation: 22-3=19 Exploring Operation: 32+3=35, Resulting Numbers: [22, 35] Generated Node #0,1,2: 16:[22, 35] Operation: 32+3=35 Exploring Operation: 32-22=10, Resulting Numbers: [3, 10] Generated Node #0,1,3: 16:[3, 10] Operation: 32-22=10 Exploring Operation: 22+3=25, Resulting Numbers: [32, 25] Generated Node #0,1,4: 16:[32, 25] Operation: 22+3=25 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 16:[3, 10], Operations: ['36/12=3', '32-22=10'] Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,16 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[22, 29], Operations: ['36/12=3', '32-3=29'] Exploring Operation: 22+29=51, Resulting Numbers: [51] 51,16 unequal: No Solution Exploring Operation: 29-22=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 22*29=638, Resulting Numbers: [638] 638,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[32, 19], Operations: ['36/12=3', '22-3=19'] Exploring Operation: 32*19=608, Resulting Numbers: [608] 608,16 unequal: No Solution Exploring Operation: 32+19=51, Resulting Numbers: [51] 51,16 unequal: No Solution Exploring Operation: 32-19=13, Resulting Numbers: [13] 13,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 16:[22, 35], Operations: ['36/12=3', '32+3=35'] Exploring Operation: 22*35=770, Resulting Numbers: [770] 770,16 unequal: No Solution Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,16 unequal: No Solution Exploring Operation: 22+35=57, Resulting Numbers: [57] 57,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 16:[32, 25], Operations: ['36/12=3', '22+3=25'] Exploring Operation: 32*25=800, Resulting Numbers: [800] 800,16 unequal: No Solution Exploring Operation: 32+25=57, Resulting Numbers: [57] 57,16 unequal: No Solution Exploring Operation: 32-25=7, Resulting Numbers: [7] 7,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 16:[36, 12, 10], Operations: ['32-22=10'] Exploring Operation: 36-10=26, Resulting Numbers: [12, 26] Generated Node #0,3,0: 16:[12, 26] Operation: 36-10=26 Exploring Operation: 12-10=2, Resulting Numbers: [36, 2] Generated Node #0,3,1: 16:[36, 2] Operation: 12-10=2 Exploring Operation: 12+10=22, Resulting Numbers: [36, 22] Generated Node #0,3,2: 16:[36, 22] Operation: 12+10=22 Exploring Operation: 36/12=3, Resulting Numbers: [10, 3] Generated Node #0,3,3: 16:[10, 3] Operation: 36/12=3 Exploring Operation: 36-12=24, Resulting Numbers: [10, 24] Generated Node #0,3,4: 16:[10, 24] Operation: 36-12=24 Moving to Node #0,2 Current State: 16:[22, 36, 20], Operations: ['32-12=20'] Exploring Operation: 36-20=16, Resulting Numbers: [22, 16] Generated Node #0,2,0: 16:[22, 16] Operation: 36-20=16 Exploring Operation: 22+36=58, Resulting Numbers: [20, 58] Generated Node #0,2,1: 16:[20, 58] Operation: 22+36=58 Exploring Operation: 22-20=2, Resulting Numbers: [36, 2] Generated Node #0,2,2: 16:[36, 2] Operation: 22-20=2 Exploring Operation: 36-22=14, Resulting Numbers: [20, 14] Generated Node #0,2,3: 16:[20, 14] Operation: 36-22=14 Exploring Operation: 22+20=42, Resulting Numbers: [36, 42] Generated Node #0,2,4: 16:[36, 42] Operation: 22+20=42 Moving to Node #0,0,0 Current State: 16:[4, 10], Operations: ['36-32=4', '22-12=10'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,16 unequal: No Solution Moving to Node #0,3,3 Current State: 16:[10, 3], Operations: ['32-22=10', '36/12=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,16 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,16 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,16 unequal: No Solution Moving to Node #0,0,3 Current State: 16:[12, 18], Operations: ['36-32=4', '22-4=18'] Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 12+18=30, Resulting Numbers: [30] 30,16 unequal: No Solution Exploring Operation: 12*18=216, Resulting Numbers: [216] 216,16 unequal: No Solution Moving to Node #0,4,4 Current State: 16:[12, 18], Operations: ['36-22=14', '32-14=18'] Exploring Operation: 12+18=30, Resulting Numbers: [30] 30,16 unequal: No Solution Exploring Operation: 12*18=216, Resulting Numbers: [216] 216,16 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,16 unequal: No Solution Moving to Node #0,4,2 Current State: 16:[14, 20], Operations: ['36-22=14', '32-12=20'] Exploring Operation: 14+20=34, Resulting Numbers: [34] 34,16 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 14*20=280, Resulting Numbers: [280] 280,16 unequal: No Solution Moving to Node #0,2,3 Current State: 16:[20, 14], Operations: ['32-12=20', '36-22=14'] Exploring Operation: 20+14=34, Resulting Numbers: [34] 34,16 unequal: No Solution Exploring Operation: 20*14=280, Resulting Numbers: [280] 280,16 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,16 unequal: No Solution Moving to Node #0,0,2 Current State: 16:[22, 16], Operations: ['36-32=4', '12+4=16'] Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 22+16=38, Resulting Numbers: [38] 38,16 unequal: No Solution Exploring Operation: 22*16=352, Resulting Numbers: [352] 352,16 unequal: No Solution Moving to Node #0,0,4 Current State: 16:[22, 8], Operations: ['36-32=4', '12-4=8'] Exploring Operation: 22*8=176, Resulting Numbers: [176] 176,16 unequal: No Solution Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,16 unequal: No Solution Exploring Operation: 22+8=30, Resulting Numbers: [30] 30,16 unequal: No Solution Moving to Node #0,2,0 Current State: 16:[22, 16], Operations: ['32-12=20', '36-20=16'] Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 22*16=352, Resulting Numbers: [352] 352,16 unequal: No Solution Exploring Operation: 22+16=38, Resulting Numbers: [38] 38,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[22, 3], Operations: ['36-32=4', '12/4=3'] Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,16 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,16 unequal: No Solution Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,16 unequal: No Solution Moving to Node #0,3,4 Current State: 16:[10, 24], Operations: ['32-22=10', '36-12=24'] Exploring Operation: 10*24=240, Resulting Numbers: [240] 240,16 unequal: No Solution Exploring Operation: 10+24=34, Resulting Numbers: [34] 34,16 unequal: No Solution Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,16 unequal: No Solution Moving to Node #0,3,0 Current State: 16:[12, 26], Operations: ['32-22=10', '36-10=26'] Exploring Operation: 12*26=312, Resulting Numbers: [312] 312,16 unequal: No Solution Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,16 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,16 unequal: No Solution Moving to Node #0,4,0 Current State: 16:[32, 2], Operations: ['36-22=14', '14-12=2'] Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,16 unequal: No Solution Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,16 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[32, 22, 36, 12], Operations: [] Exploring Operation: 36-22=14, Resulting Numbers: [32, 12, 14] Generated Node #0,4: 16:[32, 12, 14] Operation: 36-22=14 Moving to Node #0,4 Current State: 16:[32, 12, 14], Operations: ['36-22=14'] Exploring Operation: 14-12=2, Resulting Numbers: [32, 2] Generated Node #0,4,0: 16:[32, 2] Operation: 14-12=2 Moving to Node #0,4,0 Current State: 16:[32, 2], Operations: ['36-22=14', '14-12=2'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
0.923611
hs_5
mult_heuristic
[ 14, 72, 74, 63 ]
97
[ "14+72=86", "74-63=11", "86+11=97" ]
Current State: 97:[14, 72, 74, 63], Operations: [] Exploring Operation: 14+72=86, Resulting Numbers: [74, 63, 86] Generated Node #2: [74, 63, 86] from Operation: 14+72=86 Current State: 97:[74, 63, 86], Operations: ['14+72=86'] Exploring Operation: 74-63=11, Resulting Numbers: [86, 11] Generated Node #3: [86, 11] from Operation: 74-63=11 Current State: 97:[86, 11], Operations: ['14+72=86', '74-63=11'] Exploring Operation: 86+11=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[14, 72, 74, 63], Operations: [] Exploring Operation: 72-14=58, Resulting Numbers: [74, 63, 58] Generated Node #0,0: 97:[74, 63, 58] Operation: 72-14=58 Exploring Operation: 14+74=88, Resulting Numbers: [72, 63, 88] Generated Node #0,1: 97:[72, 63, 88] Operation: 14+74=88 Exploring Operation: 14+72=86, Resulting Numbers: [74, 63, 86] Generated Node #0,2: 97:[74, 63, 86] Operation: 14+72=86 Exploring Operation: 14+63=77, Resulting Numbers: [72, 74, 77] Generated Node #0,3: 97:[72, 74, 77] Operation: 14+63=77 Moving to Node #0,1 Current State: 97:[72, 63, 88], Operations: ['14+74=88'] Exploring Operation: 72+63=135, Resulting Numbers: [88, 135] Generated Node #0,1,0: 97:[88, 135] Operation: 72+63=135 Exploring Operation: 72-63=9, Resulting Numbers: [88, 9] Generated Node #0,1,1: 97:[88, 9] Operation: 72-63=9 Exploring Operation: 63+88=151, Resulting Numbers: [72, 151] Generated Node #0,1,2: 97:[72, 151] Operation: 63+88=151 Exploring Operation: 72+88=160, Resulting Numbers: [63, 160] Generated Node #0,1,3: 97:[63, 160] Operation: 72+88=160 Moving to Node #0,3 Current State: 97:[72, 74, 77], Operations: ['14+63=77'] Exploring Operation: 72+74=146, Resulting Numbers: [77, 146] Generated Node #0,3,0: 97:[77, 146] Operation: 72+74=146 Exploring Operation: 74-72=2, Resulting Numbers: [77, 2] Generated Node #0,3,1: 97:[77, 2] Operation: 74-72=2 Exploring Operation: 74+77=151, Resulting Numbers: [72, 151] Generated Node #0,3,2: 97:[72, 151] Operation: 74+77=151 Exploring Operation: 72+77=149, Resulting Numbers: [74, 149] Generated Node #0,3,3: 97:[74, 149] Operation: 72+77=149 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 97:[77, 146], Operations: ['14+63=77', '72+74=146'] Exploring Operation: 146-77=69, Resulting Numbers: [69] 69,97 unequal: No Solution Exploring Operation: 77+146=223, Resulting Numbers: [223] 223,97 unequal: No Solution Exploring Operation: 77*146=11242, Resulting Numbers: [11242] 11242,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 97:[74, 149], Operations: ['14+63=77', '72+77=149'] Exploring Operation: 149-74=75, Resulting Numbers: [75] 75,97 unequal: No Solution Exploring Operation: 74*149=11026, Resulting Numbers: [11026] 11026,97 unequal: No Solution Exploring Operation: 74+149=223, Resulting Numbers: [223] 223,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 97:[72, 151], Operations: ['14+63=77', '74+77=151'] Exploring Operation: 72+151=223, Resulting Numbers: [223] 223,97 unequal: No Solution Exploring Operation: 151-72=79, Resulting Numbers: [79] 79,97 unequal: No Solution Exploring Operation: 72*151=10872, Resulting Numbers: [10872] 10872,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 97:[77, 2], Operations: ['14+63=77', '74-72=2'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,97 unequal: No Solution Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,97 unequal: No Solution Exploring Operation: 77*2=154, Resulting Numbers: [154] 154,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 97:[74, 63, 86], Operations: ['14+72=86'] Exploring Operation: 74-63=11, Resulting Numbers: [86, 11] Generated Node #0,2,0: 97:[86, 11] Operation: 74-63=11 Exploring Operation: 63+86=149, Resulting Numbers: [74, 149] Generated Node #0,2,1: 97:[74, 149] Operation: 63+86=149 Exploring Operation: 74+86=160, Resulting Numbers: [63, 160] Generated Node #0,2,2: 97:[63, 160] Operation: 74+86=160 Exploring Operation: 74+63=137, Resulting Numbers: [86, 137] Generated Node #0,2,3: 97:[86, 137] Operation: 74+63=137 Moving to Node #0,0 Current State: 97:[74, 63, 58], Operations: ['72-14=58'] Exploring Operation: 63+58=121, Resulting Numbers: [74, 121] Generated Node #0,0,0: 97:[74, 121] Operation: 63+58=121 Exploring Operation: 74+58=132, Resulting Numbers: [63, 132] Generated Node #0,0,1: 97:[63, 132] Operation: 74+58=132 Exploring Operation: 74+63=137, Resulting Numbers: [58, 137] Generated Node #0,0,2: 97:[58, 137] Operation: 74+63=137 Exploring Operation: 74-58=16, Resulting Numbers: [63, 16] Generated Node #0,0,3: 97:[63, 16] Operation: 74-58=16 Moving to Node #0,1,0 Current State: 97:[88, 135], Operations: ['14+74=88', '72+63=135'] Exploring Operation: 135-88=47, Resulting Numbers: [47] 47,97 unequal: No Solution Exploring Operation: 88+135=223, Resulting Numbers: [223] 223,97 unequal: No Solution Exploring Operation: 88*135=11880, Resulting Numbers: [11880] 11880,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[74, 121], Operations: ['72-14=58', '63+58=121'] Exploring Operation: 74+121=195, Resulting Numbers: [195] 195,97 unequal: No Solution Exploring Operation: 121-74=47, Resulting Numbers: [47] 47,97 unequal: No Solution Exploring Operation: 74*121=8954, Resulting Numbers: [8954] 8954,97 unequal: No Solution Moving to Node #0,2,3 Current State: 97:[86, 137], Operations: ['14+72=86', '74+63=137'] Exploring Operation: 137-86=51, Resulting Numbers: [51] 51,97 unequal: No Solution Exploring Operation: 86+137=223, Resulting Numbers: [223] 223,97 unequal: No Solution Exploring Operation: 86*137=11782, Resulting Numbers: [11782] 11782,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[63, 132], Operations: ['72-14=58', '74+58=132'] Exploring Operation: 63*132=8316, Resulting Numbers: [8316] 8316,97 unequal: No Solution Exploring Operation: 132-63=69, Resulting Numbers: [69] 69,97 unequal: No Solution Exploring Operation: 63+132=195, Resulting Numbers: [195] 195,97 unequal: No Solution Moving to Node #0,2,1 Current State: 97:[74, 149], Operations: ['14+72=86', '63+86=149'] Exploring Operation: 149-74=75, Resulting Numbers: [75] 75,97 unequal: No Solution Exploring Operation: 74+149=223, Resulting Numbers: [223] 223,97 unequal: No Solution Exploring Operation: 74*149=11026, Resulting Numbers: [11026] 11026,97 unequal: No Solution Moving to Node #0,1,2 Current State: 97:[72, 151], Operations: ['14+74=88', '63+88=151'] Exploring Operation: 72+151=223, Resulting Numbers: [223] 223,97 unequal: No Solution Exploring Operation: 151-72=79, Resulting Numbers: [79] 79,97 unequal: No Solution Exploring Operation: 72*151=10872, Resulting Numbers: [10872] 10872,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[58, 137], Operations: ['72-14=58', '74+63=137'] Exploring Operation: 137-58=79, Resulting Numbers: [79] 79,97 unequal: No Solution Exploring Operation: 58*137=7946, Resulting Numbers: [7946] 7946,97 unequal: No Solution Exploring Operation: 58+137=195, Resulting Numbers: [195] 195,97 unequal: No Solution Moving to Node #0,2,0 Current State: 97:[86, 11], Operations: ['14+72=86', '74-63=11'] Exploring Operation: 86*11=946, Resulting Numbers: [946] 946,97 unequal: No Solution Exploring Operation: 86+11=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[14, 72, 74, 63], Operations: [] Exploring Operation: 14+72=86, Resulting Numbers: [74, 63, 86] Generated Node #0,2: 97:[74, 63, 86] Operation: 14+72=86 Moving to Node #0,2 Current State: 97:[74, 63, 86], Operations: ['14+72=86'] Exploring Operation: 74-63=11, Resulting Numbers: [86, 11] Generated Node #0,2,0: 97:[86, 11] Operation: 74-63=11 Moving to Node #0,2,0 Current State: 97:[86, 11], Operations: ['14+72=86', '74-63=11'] Exploring Operation: 86+11=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
0.948785
hs_4
mult_heuristic
[ 94, 55, 11, 64 ]
74
[ "94+55=149", "11+64=75", "149-75=74" ]
Current State: 74:[94, 55, 11, 64], Operations: [] Exploring Operation: 94+55=149, Resulting Numbers: [11, 64, 149] Generated Node #2: [11, 64, 149] from Operation: 94+55=149 Current State: 74:[11, 64, 149], Operations: ['94+55=149'] Exploring Operation: 11+64=75, Resulting Numbers: [149, 75] Generated Node #3: [149, 75] from Operation: 11+64=75 Current State: 74:[149, 75], Operations: ['94+55=149', '11+64=75'] Exploring Operation: 149-75=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[94, 55, 11, 64], Operations: [] Exploring Operation: 55/11=5, Resulting Numbers: [94, 64, 5] Generated Node #0,0: 74:[94, 64, 5] Operation: 55/11=5 Exploring Operation: 94-55=39, Resulting Numbers: [11, 64, 39] Generated Node #0,1: 74:[11, 64, 39] Operation: 94-55=39 Exploring Operation: 94-64=30, Resulting Numbers: [55, 11, 30] Generated Node #0,2: 74:[55, 11, 30] Operation: 94-64=30 Moving to Node #0,1 Current State: 74:[11, 64, 39], Operations: ['94-55=39'] Exploring Operation: 39-11=28, Resulting Numbers: [64, 28] Generated Node #0,1,0: 74:[64, 28] Operation: 39-11=28 Exploring Operation: 64-11=53, Resulting Numbers: [39, 53] Generated Node #0,1,1: 74:[39, 53] Operation: 64-11=53 Exploring Operation: 11+64=75, Resulting Numbers: [39, 75] Generated Node #0,1,2: 74:[39, 75] Operation: 11+64=75 Moving to Node #0,0 Current State: 74:[94, 64, 5], Operations: ['55/11=5'] Exploring Operation: 94-5=89, Resulting Numbers: [64, 89] Generated Node #0,0,0: 74:[64, 89] Operation: 94-5=89 Exploring Operation: 64+5=69, Resulting Numbers: [94, 69] Generated Node #0,0,1: 74:[94, 69] Operation: 64+5=69 Exploring Operation: 94-64=30, Resulting Numbers: [5, 30] Generated Node #0,0,2: 74:[5, 30] Operation: 94-64=30 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 74:[5, 30], Operations: ['55/11=5', '94-64=30'] Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,74 unequal: No Solution Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,74 unequal: No Solution Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[64, 89], Operations: ['55/11=5', '94-5=89'] Exploring Operation: 64*89=5696, Resulting Numbers: [5696] 5696,74 unequal: No Solution Exploring Operation: 64+89=153, Resulting Numbers: [153] 153,74 unequal: No Solution Exploring Operation: 89-64=25, Resulting Numbers: [25] 25,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 74:[94, 69], Operations: ['55/11=5', '64+5=69'] Exploring Operation: 94*69=6486, Resulting Numbers: [6486] 6486,74 unequal: No Solution Exploring Operation: 94-69=25, Resulting Numbers: [25] 25,74 unequal: No Solution Exploring Operation: 94+69=163, Resulting Numbers: [163] 163,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 74:[55, 11, 30], Operations: ['94-64=30'] Exploring Operation: 55-11=44, Resulting Numbers: [30, 44] Generated Node #0,2,0: 74:[30, 44] Operation: 55-11=44 Exploring Operation: 55+11=66, Resulting Numbers: [30, 66] Generated Node #0,2,1: 74:[30, 66] Operation: 55+11=66 Exploring Operation: 55/11=5, Resulting Numbers: [30, 5] Generated Node #0,2,2: 74:[30, 5] Operation: 55/11=5 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 74:[30, 5], Operations: ['94-64=30', '55/11=5'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,74 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,74 unequal: No Solution Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 74:[30, 44], Operations: ['94-64=30', '55-11=44'] Exploring Operation: 30*44=1320, Resulting Numbers: [1320] 1320,74 unequal: No Solution Exploring Operation: 30+44=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[94, 55, 11, 64], Operations: [] Exploring Operation: 94-64=30, Resulting Numbers: [55, 11, 30] Generated Node #0,2: 74:[55, 11, 30] Operation: 94-64=30 Moving to Node #0,2 Current State: 74:[55, 11, 30], Operations: ['94-64=30'] Exploring Operation: 55-11=44, Resulting Numbers: [30, 44] Generated Node #0,2,0: 74:[30, 44] Operation: 55-11=44 Moving to Node #0,2,0 Current State: 74:[30, 44], Operations: ['94-64=30', '55-11=44'] Exploring Operation: 30+44=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_3
mult_heuristic
[ 57, 55, 40, 59 ]
47
[ "59-55=4", "40/4=10", "57-10=47" ]
Current State: 47:[57, 55, 40, 59], Operations: [] Exploring Operation: 59-55=4, Resulting Numbers: [57, 40, 4] Generated Node #2: [57, 40, 4] from Operation: 59-55=4 Current State: 47:[57, 40, 4], Operations: ['59-55=4'] Exploring Operation: 40/4=10, Resulting Numbers: [57, 10] Generated Node #3: [57, 10] from Operation: 40/4=10 Current State: 47:[57, 10], Operations: ['59-55=4', '40/4=10'] Exploring Operation: 57-10=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[57, 55, 40, 59], Operations: [] Exploring Operation: 55-40=15, Resulting Numbers: [57, 59, 15] Generated Node #0,0: 47:[57, 59, 15] Operation: 55-40=15 Exploring Operation: 59-40=19, Resulting Numbers: [57, 55, 19] Generated Node #0,1: 47:[57, 55, 19] Operation: 59-40=19 Exploring Operation: 57-40=17, Resulting Numbers: [55, 59, 17] Generated Node #0,2: 47:[55, 59, 17] Operation: 57-40=17 Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[57, 55, 19], Operations: ['59-40=19'] Exploring Operation: 57+19=76, Resulting Numbers: [55, 76] Generated Node #0,1,0: 47:[55, 76] Operation: 57+19=76 Exploring Operation: 55-19=36, Resulting Numbers: [57, 36] Generated Node #0,1,1: 47:[57, 36] Operation: 55-19=36 Exploring Operation: 57-19=38, Resulting Numbers: [55, 38] Generated Node #0,1,2: 47:[55, 38] Operation: 57-19=38 Moving to Node #0,1,2 Current State: 47:[55, 38], Operations: ['59-40=19', '57-19=38'] Exploring Operation: 55+38=93, Resulting Numbers: [93] 93,47 unequal: No Solution Exploring Operation: 55-38=17, Resulting Numbers: [17] 17,47 unequal: No Solution Exploring Operation: 55*38=2090, Resulting Numbers: [2090] 2090,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[57, 36], Operations: ['59-40=19', '55-19=36'] Exploring Operation: 57-36=21, Resulting Numbers: [21] 21,47 unequal: No Solution Exploring Operation: 57+36=93, Resulting Numbers: [93] 93,47 unequal: No Solution Exploring Operation: 57*36=2052, Resulting Numbers: [2052] 2052,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[55, 76], Operations: ['59-40=19', '57+19=76'] Exploring Operation: 55+76=131, Resulting Numbers: [131] 131,47 unequal: No Solution Exploring Operation: 55*76=4180, Resulting Numbers: [4180] 4180,47 unequal: No Solution Exploring Operation: 76-55=21, Resulting Numbers: [21] 21,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 47:[55, 59, 17], Operations: ['57-40=17'] Exploring Operation: 55+17=72, Resulting Numbers: [59, 72] Generated Node #0,2,0: 47:[59, 72] Operation: 55+17=72 Exploring Operation: 59-17=42, Resulting Numbers: [55, 42] Generated Node #0,2,1: 47:[55, 42] Operation: 59-17=42 Exploring Operation: 55-17=38, Resulting Numbers: [59, 38] Generated Node #0,2,2: 47:[59, 38] Operation: 55-17=38 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 47:[55, 42], Operations: ['57-40=17', '59-17=42'] Exploring Operation: 55-42=13, Resulting Numbers: [13] 13,47 unequal: No Solution Exploring Operation: 55*42=2310, Resulting Numbers: [2310] 2310,47 unequal: No Solution Exploring Operation: 55+42=97, Resulting Numbers: [97] 97,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 47:[59, 38], Operations: ['57-40=17', '55-17=38'] Exploring Operation: 59*38=2242, Resulting Numbers: [2242] 2242,47 unequal: No Solution Exploring Operation: 59+38=97, Resulting Numbers: [97] 97,47 unequal: No Solution Exploring Operation: 59-38=21, Resulting Numbers: [21] 21,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 47:[59, 72], Operations: ['57-40=17', '55+17=72'] Exploring Operation: 59+72=131, Resulting Numbers: [131] 131,47 unequal: No Solution Exploring Operation: 72-59=13, Resulting Numbers: [13] 13,47 unequal: No Solution Exploring Operation: 59*72=4248, Resulting Numbers: [4248] 4248,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[57, 59, 15], Operations: ['55-40=15'] Exploring Operation: 57-15=42, Resulting Numbers: [59, 42] Generated Node #0,0,0: 47:[59, 42] Operation: 57-15=42 Exploring Operation: 59-15=44, Resulting Numbers: [57, 44] Generated Node #0,0,1: 47:[57, 44] Operation: 59-15=44 Exploring Operation: 57+15=72, Resulting Numbers: [59, 72] Generated Node #0,0,2: 47:[59, 72] Operation: 57+15=72 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[57, 44], Operations: ['55-40=15', '59-15=44'] Exploring Operation: 57-44=13, Resulting Numbers: [13] 13,47 unequal: No Solution Exploring Operation: 57*44=2508, Resulting Numbers: [2508] 2508,47 unequal: No Solution Exploring Operation: 57+44=101, Resulting Numbers: [101] 101,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[59, 42], Operations: ['55-40=15', '57-15=42'] Exploring Operation: 59*42=2478, Resulting Numbers: [2478] 2478,47 unequal: No Solution Exploring Operation: 59-42=17, Resulting Numbers: [17] 17,47 unequal: No Solution Exploring Operation: 59+42=101, Resulting Numbers: [101] 101,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 47:[59, 72], Operations: ['55-40=15', '57+15=72'] Exploring Operation: 59+72=131, Resulting Numbers: [131] 131,47 unequal: No Solution Exploring Operation: 72-59=13, Resulting Numbers: [13] 13,47 unequal: No Solution Exploring Operation: 59*72=4248, Resulting Numbers: [4248] 4248,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 93, 2, 48, 5 ]
18
[ "93-48=45", "2*45=90", "90/5=18" ]
Current State: 18:[93, 2, 48, 5], Operations: [] Exploring Operation: 93-48=45, Resulting Numbers: [2, 5, 45] Generated Node #2: [2, 5, 45] from Operation: 93-48=45 Current State: 18:[2, 5, 45], Operations: ['93-48=45'] Exploring Operation: 2*45=90, Resulting Numbers: [5, 90] Generated Node #3: [5, 90] from Operation: 2*45=90 Current State: 18:[5, 90], Operations: ['93-48=45', '2*45=90'] Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[93, 2, 48, 5], Operations: [] Exploring Operation: 48-5=43, Resulting Numbers: [93, 2, 43] Generated Node #0,0: 18:[93, 2, 43] Operation: 48-5=43 Exploring Operation: 93-48=45, Resulting Numbers: [2, 5, 45] Generated Node #0,1: 18:[2, 5, 45] Operation: 93-48=45 Exploring Operation: 93-5=88, Resulting Numbers: [2, 48, 88] Generated Node #0,2: 18:[2, 48, 88] Operation: 93-5=88 Exploring Operation: 48/2=24, Resulting Numbers: [93, 5, 24] Generated Node #0,3: 18:[93, 5, 24] Operation: 48/2=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[2, 5, 45], Operations: ['93-48=45'] Exploring Operation: 45-2=43, Resulting Numbers: [5, 43] Generated Node #0,1,0: 18:[5, 43] Operation: 45-2=43 Exploring Operation: 5-2=3, Resulting Numbers: [45, 3] Generated Node #0,1,1: 18:[45, 3] Operation: 5-2=3 Exploring Operation: 45-5=40, Resulting Numbers: [2, 40] Generated Node #0,1,2: 18:[2, 40] Operation: 45-5=40 Exploring Operation: 45/5=9, Resulting Numbers: [2, 9] Generated Node #0,1,3: 18:[2, 9] Operation: 45/5=9 Moving to Node #0,1,3 Current State: 18:[2, 9], Operations: ['93-48=45', '45/5=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,18 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[93, 2, 48, 5], Operations: [] Exploring Operation: 93-48=45, Resulting Numbers: [2, 5, 45] Generated Node #0,1: 18:[2, 5, 45] Operation: 93-48=45 Moving to Node #0,1 Current State: 18:[2, 5, 45], Operations: ['93-48=45'] Exploring Operation: 45/5=9, Resulting Numbers: [2, 9] Generated Node #0,1,3: 18:[2, 9] Operation: 45/5=9 Moving to Node #0,1,3 Current State: 18:[2, 9], Operations: ['93-48=45', '45/5=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 47, 35, 58, 31 ]
50
[ "35+58=93", "93/31=3", "47+3=50" ]
Current State: 50:[47, 35, 58, 31], Operations: [] Exploring Operation: 35+58=93, Resulting Numbers: [47, 31, 93] Generated Node #2: [47, 31, 93] from Operation: 35+58=93 Current State: 50:[47, 31, 93], Operations: ['35+58=93'] Exploring Operation: 93/31=3, Resulting Numbers: [47, 3] Generated Node #3: [47, 3] from Operation: 93/31=3 Current State: 50:[47, 3], Operations: ['35+58=93', '93/31=3'] Exploring Operation: 47+3=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[47, 35, 58, 31], Operations: [] Exploring Operation: 58-35=23, Resulting Numbers: [47, 31, 23] Generated Node #0,0: 50:[47, 31, 23] Operation: 58-35=23 Exploring Operation: 35-31=4, Resulting Numbers: [47, 58, 4] Generated Node #0,1: 50:[47, 58, 4] Operation: 35-31=4 Exploring Operation: 47-35=12, Resulting Numbers: [58, 31, 12] Generated Node #0,2: 50:[58, 31, 12] Operation: 47-35=12 Exploring Operation: 58-31=27, Resulting Numbers: [47, 35, 27] Generated Node #0,3: 50:[47, 35, 27] Operation: 58-31=27 Moving to Node #0,0 Current State: 50:[47, 31, 23], Operations: ['58-35=23'] Exploring Operation: 47-31=16, Resulting Numbers: [23, 16] Generated Node #0,0,0: 50:[23, 16] Operation: 47-31=16 Exploring Operation: 31-23=8, Resulting Numbers: [47, 8] Generated Node #0,0,1: 50:[47, 8] Operation: 31-23=8 Exploring Operation: 47-23=24, Resulting Numbers: [31, 24] Generated Node #0,0,2: 50:[31, 24] Operation: 47-23=24 Exploring Operation: 31+23=54, Resulting Numbers: [47, 54] Generated Node #0,0,3: 50:[47, 54] Operation: 31+23=54 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[47, 8], Operations: ['58-35=23', '31-23=8'] Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 47+8=55, Resulting Numbers: [55] 55,50 unequal: No Solution Exploring Operation: 47*8=376, Resulting Numbers: [376] 376,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 50:[31, 24], Operations: ['58-35=23', '47-23=24'] Exploring Operation: 31*24=744, Resulting Numbers: [744] 744,50 unequal: No Solution Exploring Operation: 31-24=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 31+24=55, Resulting Numbers: [55] 55,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 50:[47, 54], Operations: ['58-35=23', '31+23=54'] Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 47*54=2538, Resulting Numbers: [2538] 2538,50 unequal: No Solution Exploring Operation: 47+54=101, Resulting Numbers: [101] 101,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[23, 16], Operations: ['58-35=23', '47-31=16'] Exploring Operation: 23*16=368, Resulting Numbers: [368] 368,50 unequal: No Solution Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 23+16=39, Resulting Numbers: [39] 39,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 50:[47, 58, 4], Operations: ['35-31=4'] Exploring Operation: 47+4=51, Resulting Numbers: [58, 51] Generated Node #0,1,0: 50:[58, 51] Operation: 47+4=51 Exploring Operation: 47-4=43, Resulting Numbers: [58, 43] Generated Node #0,1,1: 50:[58, 43] Operation: 47-4=43 Exploring Operation: 58-4=54, Resulting Numbers: [47, 54] Generated Node #0,1,2: 50:[47, 54] Operation: 58-4=54 Exploring Operation: 58-47=11, Resulting Numbers: [4, 11] Generated Node #0,1,3: 50:[4, 11] Operation: 58-47=11 Moving to Node #0,3 Current State: 50:[47, 35, 27], Operations: ['58-31=27'] Exploring Operation: 35+27=62, Resulting Numbers: [47, 62] Generated Node #0,3,0: 50:[47, 62] Operation: 35+27=62 Exploring Operation: 47-27=20, Resulting Numbers: [35, 20] Generated Node #0,3,1: 50:[35, 20] Operation: 47-27=20 Exploring Operation: 47-35=12, Resulting Numbers: [27, 12] Generated Node #0,3,2: 50:[27, 12] Operation: 47-35=12 Exploring Operation: 35-27=8, Resulting Numbers: [47, 8] Generated Node #0,3,3: 50:[47, 8] Operation: 35-27=8 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 50:[27, 12], Operations: ['58-31=27', '47-35=12'] Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 27+12=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 27*12=324, Resulting Numbers: [324] 324,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 50:[47, 8], Operations: ['58-31=27', '35-27=8'] Exploring Operation: 47*8=376, Resulting Numbers: [376] 376,50 unequal: No Solution Exploring Operation: 47+8=55, Resulting Numbers: [55] 55,50 unequal: No Solution Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 50:[47, 62], Operations: ['58-31=27', '35+27=62'] Exploring Operation: 47*62=2914, Resulting Numbers: [2914] 2914,50 unequal: No Solution Exploring Operation: 47+62=109, Resulting Numbers: [109] 109,50 unequal: No Solution Exploring Operation: 62-47=15, Resulting Numbers: [15] 15,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 50:[35, 20], Operations: ['58-31=27', '47-27=20'] Exploring Operation: 35+20=55, Resulting Numbers: [55] 55,50 unequal: No Solution Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 35*20=700, Resulting Numbers: [700] 700,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 50:[58, 31, 12], Operations: ['47-35=12'] Exploring Operation: 31+12=43, Resulting Numbers: [58, 43] Generated Node #0,2,0: 50:[58, 43] Operation: 31+12=43 Exploring Operation: 58-12=46, Resulting Numbers: [31, 46] Generated Node #0,2,1: 50:[31, 46] Operation: 58-12=46 Exploring Operation: 31-12=19, Resulting Numbers: [58, 19] Generated Node #0,2,2: 50:[58, 19] Operation: 31-12=19 Exploring Operation: 58-31=27, Resulting Numbers: [12, 27] Generated Node #0,2,3: 50:[12, 27] Operation: 58-31=27 Moving to Node #0,1,3 Current State: 50:[4, 11], Operations: ['35-31=4', '58-47=11'] Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,50 unequal: No Solution Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,50 unequal: No Solution Moving to Node #0,2,3 Current State: 50:[12, 27], Operations: ['47-35=12', '58-31=27'] Exploring Operation: 12+27=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 12*27=324, Resulting Numbers: [324] 324,50 unequal: No Solution Moving to Node #0,1,2 Current State: 50:[47, 54], Operations: ['35-31=4', '58-4=54'] Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 47*54=2538, Resulting Numbers: [2538] 2538,50 unequal: No Solution Exploring Operation: 47+54=101, Resulting Numbers: [101] 101,50 unequal: No Solution Moving to Node #0,1,0 Current State: 50:[58, 51], Operations: ['35-31=4', '47+4=51'] Exploring Operation: 58-51=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 58+51=109, Resulting Numbers: [109] 109,50 unequal: No Solution Exploring Operation: 58*51=2958, Resulting Numbers: [2958] 2958,50 unequal: No Solution Moving to Node #0,2,1 Current State: 50:[31, 46], Operations: ['47-35=12', '58-12=46'] Exploring Operation: 31+46=77, Resulting Numbers: [77] 77,50 unequal: No Solution Exploring Operation: 46-31=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 31*46=1426, Resulting Numbers: [1426] 1426,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[58, 19], Operations: ['47-35=12', '31-12=19'] Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 58*19=1102, Resulting Numbers: [1102] 1102,50 unequal: No Solution Exploring Operation: 58+19=77, Resulting Numbers: [77] 77,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[58, 43], Operations: ['35-31=4', '47-4=43'] Exploring Operation: 58+43=101, Resulting Numbers: [101] 101,50 unequal: No Solution Exploring Operation: 58*43=2494, Resulting Numbers: [2494] 2494,50 unequal: No Solution Exploring Operation: 58-43=15, Resulting Numbers: [15] 15,50 unequal: No Solution Moving to Node #0,2,0 Current State: 50:[58, 43], Operations: ['47-35=12', '31+12=43'] Exploring Operation: 58*43=2494, Resulting Numbers: [2494] 2494,50 unequal: No Solution Exploring Operation: 58-43=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 58+43=101, Resulting Numbers: [101] 101,50 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 6, 2, 44, 50 ]
10
[ "6-2=4", "50-44=6", "4+6=10" ]
Current State: 10:[6, 2, 44, 50], Operations: [] Exploring Operation: 6-2=4, Resulting Numbers: [44, 50, 4] Generated Node #2: [44, 50, 4] from Operation: 6-2=4 Current State: 10:[44, 50, 4], Operations: ['6-2=4'] Exploring Operation: 50-44=6, Resulting Numbers: [4, 6] Generated Node #3: [4, 6] from Operation: 50-44=6 Current State: 10:[4, 6], Operations: ['6-2=4', '50-44=6'] Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[6, 2, 44, 50], Operations: [] Exploring Operation: 50-44=6, Resulting Numbers: [6, 2, 6] Generated Node #0,0: 10:[6, 2, 6] Operation: 50-44=6 Exploring Operation: 50/2=25, Resulting Numbers: [6, 44, 25] Generated Node #0,1: 10:[6, 44, 25] Operation: 50/2=25 Exploring Operation: 44/2=22, Resulting Numbers: [6, 50, 22] Generated Node #0,2: 10:[6, 50, 22] Operation: 44/2=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[6, 2, 6], Operations: ['50-44=6'] Exploring Operation: 6/6=1, Resulting Numbers: [2, 1] Generated Node #0,0,0: 10:[2, 1] Operation: 6/6=1 Exploring Operation: 6-2=4, Resulting Numbers: [6, 4] Generated Node #0,0,1: 10:[6, 4] Operation: 6-2=4 Exploring Operation: 6/2=3, Resulting Numbers: [6, 3] Generated Node #0,0,2: 10:[6, 3] Operation: 6/2=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 10:[2, 1], Operations: ['50-44=6', '6/6=1'] Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,10 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 10:[6, 4], Operations: ['50-44=6', '6-2=4'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,10 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[6, 2, 44, 50], Operations: [] Exploring Operation: 50-44=6, Resulting Numbers: [6, 2, 6] Generated Node #0,0: 10:[6, 2, 6] Operation: 50-44=6 Moving to Node #0,0 Current State: 10:[6, 2, 6], Operations: ['50-44=6'] Exploring Operation: 6-2=4, Resulting Numbers: [6, 4] Generated Node #0,0,1: 10:[6, 4] Operation: 6-2=4 Moving to Node #0,0,1 Current State: 10:[6, 4], Operations: ['50-44=6', '6-2=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 85, 53, 50, 25 ]
30
[ "85-53=32", "50/25=2", "32-2=30" ]
Current State: 30:[85, 53, 50, 25], Operations: [] Exploring Operation: 85-53=32, Resulting Numbers: [50, 25, 32] Generated Node #2: [50, 25, 32] from Operation: 85-53=32 Current State: 30:[50, 25, 32], Operations: ['85-53=32'] Exploring Operation: 50/25=2, Resulting Numbers: [32, 2] Generated Node #3: [32, 2] from Operation: 50/25=2 Current State: 30:[32, 2], Operations: ['85-53=32', '50/25=2'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[85, 53, 50, 25], Operations: [] Exploring Operation: 85-53=32, Resulting Numbers: [50, 25, 32] Generated Node #0,0: 30:[50, 25, 32] Operation: 85-53=32 Moving to Node #0,0 Current State: 30:[50, 25, 32], Operations: ['85-53=32'] Exploring Operation: 50/25=2, Resulting Numbers: [32, 2] Generated Node #0,0,0: 30:[32, 2] Operation: 50/25=2 Moving to Node #0,0,0 Current State: 30:[32, 2], Operations: ['85-53=32', '50/25=2'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[85, 53, 50, 25], Operations: [] Exploring Operation: 85-53=32, Resulting Numbers: [50, 25, 32] Generated Node #0,0: 30:[50, 25, 32] Operation: 85-53=32 Moving to Node #0,0 Current State: 30:[50, 25, 32], Operations: ['85-53=32'] Exploring Operation: 50/25=2, Resulting Numbers: [32, 2] Generated Node #0,0,0: 30:[32, 2] Operation: 50/25=2 Moving to Node #0,0,0 Current State: 30:[32, 2], Operations: ['85-53=32', '50/25=2'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 76, 89, 6, 4 ]
28
[ "89-76=13", "13-6=7", "4*7=28" ]
Current State: 28:[76, 89, 6, 4], Operations: [] Exploring Operation: 89-76=13, Resulting Numbers: [6, 4, 13] Generated Node #2: [6, 4, 13] from Operation: 89-76=13 Current State: 28:[6, 4, 13], Operations: ['89-76=13'] Exploring Operation: 13-6=7, Resulting Numbers: [4, 7] Generated Node #3: [4, 7] from Operation: 13-6=7 Current State: 28:[4, 7], Operations: ['89-76=13', '13-6=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[76, 89, 6, 4], Operations: [] Exploring Operation: 76/4=19, Resulting Numbers: [89, 6, 19] Generated Node #0,0: 28:[89, 6, 19] Operation: 76/4=19 Exploring Operation: 76-4=72, Resulting Numbers: [89, 6, 72] Generated Node #0,1: 28:[89, 6, 72] Operation: 76-4=72 Exploring Operation: 89-76=13, Resulting Numbers: [6, 4, 13] Generated Node #0,2: 28:[6, 4, 13] Operation: 89-76=13 Exploring Operation: 76-6=70, Resulting Numbers: [89, 4, 70] Generated Node #0,3: 28:[89, 4, 70] Operation: 76-6=70 Exploring Operation: 89-6=83, Resulting Numbers: [76, 4, 83] Generated Node #0,4: 28:[76, 4, 83] Operation: 89-6=83 Start Sub Search at level 1: Moving to Node #0,2 Current State: 28:[6, 4, 13], Operations: ['89-76=13'] Exploring Operation: 13-6=7, Resulting Numbers: [4, 7] Generated Node #0,2,0: 28:[4, 7] Operation: 13-6=7 Exploring Operation: 4+13=17, Resulting Numbers: [6, 17] Generated Node #0,2,1: 28:[6, 17] Operation: 4+13=17 Exploring Operation: 13-4=9, Resulting Numbers: [6, 9] Generated Node #0,2,2: 28:[6, 9] Operation: 13-4=9 Exploring Operation: 6+4=10, Resulting Numbers: [13, 10] Generated Node #0,2,3: 28:[13, 10] Operation: 6+4=10 Exploring Operation: 6-4=2, Resulting Numbers: [13, 2] Generated Node #0,2,4: 28:[13, 2] Operation: 6-4=2 Moving to Node #0,2,0 Current State: 28:[4, 7], Operations: ['89-76=13', '13-6=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,28 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,28 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[76, 89, 6, 4], Operations: [] Exploring Operation: 89-76=13, Resulting Numbers: [6, 4, 13] Generated Node #0,2: 28:[6, 4, 13] Operation: 89-76=13 Moving to Node #0,2 Current State: 28:[6, 4, 13], Operations: ['89-76=13'] Exploring Operation: 13-6=7, Resulting Numbers: [4, 7] Generated Node #0,2,0: 28:[4, 7] Operation: 13-6=7 Moving to Node #0,2,0 Current State: 28:[4, 7], Operations: ['89-76=13', '13-6=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 65, 57, 2, 46 ]
50
[ "65-57=8", "8/2=4", "46+4=50" ]
Current State: 50:[65, 57, 2, 46], Operations: [] Exploring Operation: 65-57=8, Resulting Numbers: [2, 46, 8] Generated Node #2: [2, 46, 8] from Operation: 65-57=8 Current State: 50:[2, 46, 8], Operations: ['65-57=8'] Exploring Operation: 8/2=4, Resulting Numbers: [46, 4] Generated Node #3: [46, 4] from Operation: 8/2=4 Current State: 50:[46, 4], Operations: ['65-57=8', '8/2=4'] Exploring Operation: 46+4=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[65, 57, 2, 46], Operations: [] Exploring Operation: 57-2=55, Resulting Numbers: [65, 46, 55] Generated Node #0,0: 50:[65, 46, 55] Operation: 57-2=55 Exploring Operation: 57-46=11, Resulting Numbers: [65, 2, 11] Generated Node #0,1: 50:[65, 2, 11] Operation: 57-46=11 Exploring Operation: 65-46=19, Resulting Numbers: [57, 2, 19] Generated Node #0,2: 50:[57, 2, 19] Operation: 65-46=19 Exploring Operation: 65-57=8, Resulting Numbers: [2, 46, 8] Generated Node #0,3: 50:[2, 46, 8] Operation: 65-57=8 Exploring Operation: 65-2=63, Resulting Numbers: [57, 46, 63] Generated Node #0,4: 50:[57, 46, 63] Operation: 65-2=63 Start Sub Search at level 1: Moving to Node #0,3 Current State: 50:[2, 46, 8], Operations: ['65-57=8'] Exploring Operation: 46/2=23, Resulting Numbers: [8, 23] Generated Node #0,3,0: 50:[8, 23] Operation: 46/2=23 Exploring Operation: 2+46=48, Resulting Numbers: [8, 48] Generated Node #0,3,1: 50:[8, 48] Operation: 2+46=48 Exploring Operation: 46+8=54, Resulting Numbers: [2, 54] Generated Node #0,3,2: 50:[2, 54] Operation: 46+8=54 Exploring Operation: 2+8=10, Resulting Numbers: [46, 10] Generated Node #0,3,3: 50:[46, 10] Operation: 2+8=10 Exploring Operation: 8-2=6, Resulting Numbers: [46, 6] Generated Node #0,3,4: 50:[46, 6] Operation: 8-2=6 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 50:[8, 23], Operations: ['65-57=8', '46/2=23'] Exploring Operation: 8*23=184, Resulting Numbers: [184] 184,50 unequal: No Solution Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 8+23=31, Resulting Numbers: [31] 31,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 50:[8, 48], Operations: ['65-57=8', '2+46=48'] Exploring Operation: 8+48=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 48/8=6, Resulting Numbers: [6] 6,50 unequal: No Solution Exploring Operation: 8*48=384, Resulting Numbers: [384] 384,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 50:[2, 54], Operations: ['65-57=8', '46+8=54'] Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,50 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 2+54=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 2*54=108, Resulting Numbers: [108] 108,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 50:[46, 10], Operations: ['65-57=8', '2+8=10'] Exploring Operation: 46*10=460, Resulting Numbers: [460] 460,50 unequal: No Solution Exploring Operation: 46+10=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 50:[46, 6], Operations: ['65-57=8', '8-2=6'] Exploring Operation: 46+6=52, Resulting Numbers: [52] 52,50 unequal: No Solution Exploring Operation: 46*6=276, Resulting Numbers: [276] 276,50 unequal: No Solution Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 50:[57, 2, 19], Operations: ['65-46=19'] Exploring Operation: 19-2=17, Resulting Numbers: [57, 17] Generated Node #0,2,0: 50:[57, 17] Operation: 19-2=17 Exploring Operation: 57-2=55, Resulting Numbers: [19, 55] Generated Node #0,2,1: 50:[19, 55] Operation: 57-2=55 Exploring Operation: 2+19=21, Resulting Numbers: [57, 21] Generated Node #0,2,2: 50:[57, 21] Operation: 2+19=21 Exploring Operation: 57-19=38, Resulting Numbers: [2, 38] Generated Node #0,2,3: 50:[2, 38] Operation: 57-19=38 Exploring Operation: 57/19=3, Resulting Numbers: [2, 3] Generated Node #0,2,4: 50:[2, 3] Operation: 57/19=3 Moving to Node #0,2,4 Current State: 50:[2, 3], Operations: ['65-46=19', '57/19=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,50 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,50 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[57, 21], Operations: ['65-46=19', '2+19=21'] Exploring Operation: 57+21=78, Resulting Numbers: [78] 78,50 unequal: No Solution Exploring Operation: 57-21=36, Resulting Numbers: [36] 36,50 unequal: No Solution Exploring Operation: 57*21=1197, Resulting Numbers: [1197] 1197,50 unequal: No Solution Moving to Node #0,2,1 Current State: 50:[19, 55], Operations: ['65-46=19', '57-2=55'] Exploring Operation: 19+55=74, Resulting Numbers: [74] 74,50 unequal: No Solution Exploring Operation: 19*55=1045, Resulting Numbers: [1045] 1045,50 unequal: No Solution Exploring Operation: 55-19=36, Resulting Numbers: [36] 36,50 unequal: No Solution Moving to Node #0,2,3 Current State: 50:[2, 38], Operations: ['65-46=19', '57-19=38'] Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,50 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,50 unequal: No Solution Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,50 unequal: No Solution Moving to Node #0,2,0 Current State: 50:[57, 17], Operations: ['65-46=19', '19-2=17'] Exploring Operation: 57-17=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 57*17=969, Resulting Numbers: [969] 969,50 unequal: No Solution Exploring Operation: 57+17=74, Resulting Numbers: [74] 74,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[65, 2, 11], Operations: ['57-46=11'] Exploring Operation: 2+11=13, Resulting Numbers: [65, 13] Generated Node #0,1,0: 50:[65, 13] Operation: 2+11=13 Exploring Operation: 65-2=63, Resulting Numbers: [11, 63] Generated Node #0,1,1: 50:[11, 63] Operation: 65-2=63 Exploring Operation: 11-2=9, Resulting Numbers: [65, 9] Generated Node #0,1,2: 50:[65, 9] Operation: 11-2=9 Exploring Operation: 65+2=67, Resulting Numbers: [11, 67] Generated Node #0,1,3: 50:[11, 67] Operation: 65+2=67 Exploring Operation: 65-11=54, Resulting Numbers: [2, 54] Generated Node #0,1,4: 50:[2, 54] Operation: 65-11=54 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 50:[2, 54], Operations: ['57-46=11', '65-11=54'] Exploring Operation: 2+54=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,50 unequal: No Solution Exploring Operation: 2*54=108, Resulting Numbers: [108] 108,50 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 50:[11, 63], Operations: ['57-46=11', '65-2=63'] Exploring Operation: 11+63=74, Resulting Numbers: [74] 74,50 unequal: No Solution Exploring Operation: 11*63=693, Resulting Numbers: [693] 693,50 unequal: No Solution Exploring Operation: 63-11=52, Resulting Numbers: [52] 52,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 50:[65, 9], Operations: ['57-46=11', '11-2=9'] Exploring Operation: 65*9=585, Resulting Numbers: [585] 585,50 unequal: No Solution Exploring Operation: 65-9=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 65+9=74, Resulting Numbers: [74] 74,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 50:[65, 13], Operations: ['57-46=11', '2+11=13'] Exploring Operation: 65+13=78, Resulting Numbers: [78] 78,50 unequal: No Solution Exploring Operation: 65*13=845, Resulting Numbers: [845] 845,50 unequal: No Solution Exploring Operation: 65-13=52, Resulting Numbers: [52] 52,50 unequal: No Solution Exploring Operation: 65/13=5, Resulting Numbers: [5] 5,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 50:[11, 67], Operations: ['57-46=11', '65+2=67'] Exploring Operation: 67-11=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 11+67=78, Resulting Numbers: [78] 78,50 unequal: No Solution Exploring Operation: 11*67=737, Resulting Numbers: [737] 737,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[65, 46, 55], Operations: ['57-2=55'] Exploring Operation: 55-46=9, Resulting Numbers: [65, 9] Generated Node #0,0,0: 50:[65, 9] Operation: 55-46=9 Exploring Operation: 46+55=101, Resulting Numbers: [65, 101] Generated Node #0,0,1: 50:[65, 101] Operation: 46+55=101 Exploring Operation: 65+46=111, Resulting Numbers: [55, 111] Generated Node #0,0,2: 50:[55, 111] Operation: 65+46=111 Exploring Operation: 65-46=19, Resulting Numbers: [55, 19] Generated Node #0,0,3: 50:[55, 19] Operation: 65-46=19 Exploring Operation: 65-55=10, Resulting Numbers: [46, 10] Generated Node #0,0,4: 50:[46, 10] Operation: 65-55=10 Moving to Node #0,0,4 Current State: 50:[46, 10], Operations: ['57-2=55', '65-55=10'] Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,50 unequal: No Solution Exploring Operation: 46*10=460, Resulting Numbers: [460] 460,50 unequal: No Solution Exploring Operation: 46+10=56, Resulting Numbers: [56] 56,50 unequal: No Solution Moving to Node #0,0,3 Current State: 50:[55, 19], Operations: ['57-2=55', '65-46=19'] Exploring Operation: 55+19=74, Resulting Numbers: [74] 74,50 unequal: No Solution Exploring Operation: 55-19=36, Resulting Numbers: [36] 36,50 unequal: No Solution Exploring Operation: 55*19=1045, Resulting Numbers: [1045] 1045,50 unequal: No Solution Moving to Node #0,0,0 Current State: 50:[65, 9], Operations: ['57-2=55', '55-46=9'] Exploring Operation: 65-9=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 65+9=74, Resulting Numbers: [74] 74,50 unequal: No Solution Exploring Operation: 65*9=585, Resulting Numbers: [585] 585,50 unequal: No Solution Moving to Node #0,0,1 Current State: 50:[65, 101], Operations: ['57-2=55', '46+55=101'] Exploring Operation: 101-65=36, Resulting Numbers: [36] 36,50 unequal: No Solution Exploring Operation: 65+101=166, Resulting Numbers: [166] 166,50 unequal: No Solution Exploring Operation: 65*101=6565, Resulting Numbers: [6565] 6565,50 unequal: No Solution Moving to Node #0,0,2 Current State: 50:[55, 111], Operations: ['57-2=55', '65+46=111'] Exploring Operation: 55*111=6105, Resulting Numbers: [6105] 6105,50 unequal: No Solution Exploring Operation: 55+111=166, Resulting Numbers: [166] 166,50 unequal: No Solution Exploring Operation: 111-55=56, Resulting Numbers: [56] 56,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 50:[57, 46, 63], Operations: ['65-2=63'] Exploring Operation: 57+46=103, Resulting Numbers: [63, 103] Generated Node #0,4,0: 50:[63, 103] Operation: 57+46=103 Exploring Operation: 63-46=17, Resulting Numbers: [57, 17] Generated Node #0,4,1: 50:[57, 17] Operation: 63-46=17 Exploring Operation: 46+63=109, Resulting Numbers: [57, 109] Generated Node #0,4,2: 50:[57, 109] Operation: 46+63=109 Exploring Operation: 63-57=6, Resulting Numbers: [46, 6] Generated Node #0,4,3: 50:[46, 6] Operation: 63-57=6 Exploring Operation: 57-46=11, Resulting Numbers: [63, 11] Generated Node #0,4,4: 50:[63, 11] Operation: 57-46=11 Moving to Node #0,4,3 Current State: 50:[46, 6], Operations: ['65-2=63', '63-57=6'] Exploring Operation: 46*6=276, Resulting Numbers: [276] 276,50 unequal: No Solution Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 46+6=52, Resulting Numbers: [52] 52,50 unequal: No Solution Moving to Node #0,4,4 Current State: 50:[63, 11], Operations: ['65-2=63', '57-46=11'] Exploring Operation: 63*11=693, Resulting Numbers: [693] 693,50 unequal: No Solution Exploring Operation: 63+11=74, Resulting Numbers: [74] 74,50 unequal: No Solution Exploring Operation: 63-11=52, Resulting Numbers: [52] 52,50 unequal: No Solution Moving to Node #0,4,1 Current State: 50:[57, 17], Operations: ['65-2=63', '63-46=17'] Exploring Operation: 57-17=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 57+17=74, Resulting Numbers: [74] 74,50 unequal: No Solution Exploring Operation: 57*17=969, Resulting Numbers: [969] 969,50 unequal: No Solution Moving to Node #0,4,0 Current State: 50:[63, 103], Operations: ['65-2=63', '57+46=103'] Exploring Operation: 103-63=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 63*103=6489, Resulting Numbers: [6489] 6489,50 unequal: No Solution Exploring Operation: 63+103=166, Resulting Numbers: [166] 166,50 unequal: No Solution Moving to Node #0,4,2 Current State: 50:[57, 109], Operations: ['65-2=63', '46+63=109'] Exploring Operation: 109-57=52, Resulting Numbers: [52] 52,50 unequal: No Solution Exploring Operation: 57+109=166, Resulting Numbers: [166] 166,50 unequal: No Solution Exploring Operation: 57*109=6213, Resulting Numbers: [6213] 6213,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 73, 76, 97, 43 ]
95
[ "73+76=149", "97-43=54", "149-54=95" ]
Current State: 95:[73, 76, 97, 43], Operations: [] Exploring Operation: 73+76=149, Resulting Numbers: [97, 43, 149] Generated Node #2: [97, 43, 149] from Operation: 73+76=149 Current State: 95:[97, 43, 149], Operations: ['73+76=149'] Exploring Operation: 97-43=54, Resulting Numbers: [149, 54] Generated Node #3: [149, 54] from Operation: 97-43=54 Current State: 95:[149, 54], Operations: ['73+76=149', '97-43=54'] Exploring Operation: 149-54=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[73, 76, 97, 43], Operations: [] Exploring Operation: 73+43=116, Resulting Numbers: [76, 97, 116] Generated Node #0,0: 95:[76, 97, 116] Operation: 73+43=116 Exploring Operation: 76-43=33, Resulting Numbers: [73, 97, 33] Generated Node #0,1: 95:[73, 97, 33] Operation: 76-43=33 Exploring Operation: 97-73=24, Resulting Numbers: [76, 43, 24] Generated Node #0,2: 95:[76, 43, 24] Operation: 97-73=24 Exploring Operation: 73-43=30, Resulting Numbers: [76, 97, 30] Generated Node #0,3: 95:[76, 97, 30] Operation: 73-43=30 Exploring Operation: 76-73=3, Resulting Numbers: [97, 43, 3] Generated Node #0,4: 95:[97, 43, 3] Operation: 76-73=3 Start Sub Search at level 1: Moving to Node #0,4 Current State: 95:[97, 43, 3], Operations: ['76-73=3'] Exploring Operation: 97-3=94, Resulting Numbers: [43, 94] Generated Node #0,4,0: 95:[43, 94] Operation: 97-3=94 Exploring Operation: 43-3=40, Resulting Numbers: [97, 40] Generated Node #0,4,1: 95:[97, 40] Operation: 43-3=40 Exploring Operation: 43+3=46, Resulting Numbers: [97, 46] Generated Node #0,4,2: 95:[97, 46] Operation: 43+3=46 Exploring Operation: 97+3=100, Resulting Numbers: [43, 100] Generated Node #0,4,3: 95:[43, 100] Operation: 97+3=100 Exploring Operation: 43*3=129, Resulting Numbers: [97, 129] Generated Node #0,4,4: 95:[97, 129] Operation: 43*3=129 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 95:[97, 40], Operations: ['76-73=3', '43-3=40'] Exploring Operation: 97*40=3880, Resulting Numbers: [3880] 3880,95 unequal: No Solution Exploring Operation: 97+40=137, Resulting Numbers: [137] 137,95 unequal: No Solution Exploring Operation: 97-40=57, Resulting Numbers: [57] 57,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 95:[43, 94], Operations: ['76-73=3', '97-3=94'] Exploring Operation: 94-43=51, Resulting Numbers: [51] 51,95 unequal: No Solution Exploring Operation: 43+94=137, Resulting Numbers: [137] 137,95 unequal: No Solution Exploring Operation: 43*94=4042, Resulting Numbers: [4042] 4042,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 95:[97, 46], Operations: ['76-73=3', '43+3=46'] Exploring Operation: 97+46=143, Resulting Numbers: [143] 143,95 unequal: No Solution Exploring Operation: 97*46=4462, Resulting Numbers: [4462] 4462,95 unequal: No Solution Exploring Operation: 97-46=51, Resulting Numbers: [51] 51,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 95:[43, 100], Operations: ['76-73=3', '97+3=100'] Exploring Operation: 43+100=143, Resulting Numbers: [143] 143,95 unequal: No Solution Exploring Operation: 43*100=4300, Resulting Numbers: [4300] 4300,95 unequal: No Solution Exploring Operation: 100-43=57, Resulting Numbers: [57] 57,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 95:[97, 129], Operations: ['76-73=3', '43*3=129'] Exploring Operation: 129-97=32, Resulting Numbers: [32] 32,95 unequal: No Solution Exploring Operation: 97+129=226, Resulting Numbers: [226] 226,95 unequal: No Solution Exploring Operation: 97*129=12513, Resulting Numbers: [12513] 12513,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 95:[76, 97, 30], Operations: ['73-43=30'] Exploring Operation: 76+30=106, Resulting Numbers: [97, 106] Generated Node #0,3,0: 95:[97, 106] Operation: 76+30=106 Exploring Operation: 76-30=46, Resulting Numbers: [97, 46] Generated Node #0,3,1: 95:[97, 46] Operation: 76-30=46 Exploring Operation: 97+30=127, Resulting Numbers: [76, 127] Generated Node #0,3,2: 95:[76, 127] Operation: 97+30=127 Exploring Operation: 97-30=67, Resulting Numbers: [76, 67] Generated Node #0,3,3: 95:[76, 67] Operation: 97-30=67 Exploring Operation: 97-76=21, Resulting Numbers: [30, 21] Generated Node #0,3,4: 95:[30, 21] Operation: 97-76=21 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 95:[97, 106], Operations: ['73-43=30', '76+30=106'] Exploring Operation: 97+106=203, Resulting Numbers: [203] 203,95 unequal: No Solution Exploring Operation: 97*106=10282, Resulting Numbers: [10282] 10282,95 unequal: No Solution Exploring Operation: 106-97=9, Resulting Numbers: [9] 9,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 95:[30, 21], Operations: ['73-43=30', '97-76=21'] Exploring Operation: 30+21=51, Resulting Numbers: [51] 51,95 unequal: No Solution Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,95 unequal: No Solution Exploring Operation: 30*21=630, Resulting Numbers: [630] 630,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 95:[97, 46], Operations: ['73-43=30', '76-30=46'] Exploring Operation: 97*46=4462, Resulting Numbers: [4462] 4462,95 unequal: No Solution Exploring Operation: 97-46=51, Resulting Numbers: [51] 51,95 unequal: No Solution Exploring Operation: 97+46=143, Resulting Numbers: [143] 143,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 95:[76, 67], Operations: ['73-43=30', '97-30=67'] Exploring Operation: 76*67=5092, Resulting Numbers: [5092] 5092,95 unequal: No Solution Exploring Operation: 76-67=9, Resulting Numbers: [9] 9,95 unequal: No Solution Exploring Operation: 76+67=143, Resulting Numbers: [143] 143,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 95:[76, 127], Operations: ['73-43=30', '97+30=127'] Exploring Operation: 76*127=9652, Resulting Numbers: [9652] 9652,95 unequal: No Solution Exploring Operation: 76+127=203, Resulting Numbers: [203] 203,95 unequal: No Solution Exploring Operation: 127-76=51, Resulting Numbers: [51] 51,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[73, 97, 33], Operations: ['76-43=33'] Exploring Operation: 97-33=64, Resulting Numbers: [73, 64] Generated Node #0,1,0: 95:[73, 64] Operation: 97-33=64 Exploring Operation: 73-33=40, Resulting Numbers: [97, 40] Generated Node #0,1,1: 95:[97, 40] Operation: 73-33=40 Exploring Operation: 73+33=106, Resulting Numbers: [97, 106] Generated Node #0,1,2: 95:[97, 106] Operation: 73+33=106 Exploring Operation: 97-73=24, Resulting Numbers: [33, 24] Generated Node #0,1,3: 95:[33, 24] Operation: 97-73=24 Exploring Operation: 97+33=130, Resulting Numbers: [73, 130] Generated Node #0,1,4: 95:[73, 130] Operation: 97+33=130 Moving to Node #0,1,2 Current State: 95:[97, 106], Operations: ['76-43=33', '73+33=106'] Exploring Operation: 97+106=203, Resulting Numbers: [203] 203,95 unequal: No Solution Exploring Operation: 97*106=10282, Resulting Numbers: [10282] 10282,95 unequal: No Solution Exploring Operation: 106-97=9, Resulting Numbers: [9] 9,95 unequal: No Solution Moving to Node #0,1,3 Current State: 95:[33, 24], Operations: ['76-43=33', '97-73=24'] Exploring Operation: 33*24=792, Resulting Numbers: [792] 792,95 unequal: No Solution Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,95 unequal: No Solution Exploring Operation: 33+24=57, Resulting Numbers: [57] 57,95 unequal: No Solution Moving to Node #0,1,1 Current State: 95:[97, 40], Operations: ['76-43=33', '73-33=40'] Exploring Operation: 97-40=57, Resulting Numbers: [57] 57,95 unequal: No Solution Exploring Operation: 97+40=137, Resulting Numbers: [137] 137,95 unequal: No Solution Exploring Operation: 97*40=3880, Resulting Numbers: [3880] 3880,95 unequal: No Solution Moving to Node #0,1,0 Current State: 95:[73, 64], Operations: ['76-43=33', '97-33=64'] Exploring Operation: 73*64=4672, Resulting Numbers: [4672] 4672,95 unequal: No Solution Exploring Operation: 73-64=9, Resulting Numbers: [9] 9,95 unequal: No Solution Exploring Operation: 73+64=137, Resulting Numbers: [137] 137,95 unequal: No Solution Moving to Node #0,1,4 Current State: 95:[73, 130], Operations: ['76-43=33', '97+33=130'] Exploring Operation: 73*130=9490, Resulting Numbers: [9490] 9490,95 unequal: No Solution Exploring Operation: 73+130=203, Resulting Numbers: [203] 203,95 unequal: No Solution Exploring Operation: 130-73=57, Resulting Numbers: [57] 57,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[76, 97, 116], Operations: ['73+43=116'] Exploring Operation: 76+97=173, Resulting Numbers: [116, 173] Generated Node #0,0,0: 95:[116, 173] Operation: 76+97=173 Exploring Operation: 97-76=21, Resulting Numbers: [116, 21] Generated Node #0,0,1: 95:[116, 21] Operation: 97-76=21 Exploring Operation: 116-76=40, Resulting Numbers: [97, 40] Generated Node #0,0,2: 95:[97, 40] Operation: 116-76=40 Exploring Operation: 76+116=192, Resulting Numbers: [97, 192] Generated Node #0,0,3: 95:[97, 192] Operation: 76+116=192 Exploring Operation: 116-97=19, Resulting Numbers: [76, 19] Generated Node #0,0,4: 95:[76, 19] Operation: 116-97=19 Moving to Node #0,0,4 Current State: 95:[76, 19], Operations: ['73+43=116', '116-97=19'] Exploring Operation: 76-19=57, Resulting Numbers: [57] 57,95 unequal: No Solution Exploring Operation: 76/19=4, Resulting Numbers: [4] 4,95 unequal: No Solution Exploring Operation: 76*19=1444, Resulting Numbers: [1444] 1444,95 unequal: No Solution Exploring Operation: 76+19=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[73, 76, 97, 43], Operations: [] Exploring Operation: 73+43=116, Resulting Numbers: [76, 97, 116] Generated Node #0,0: 95:[76, 97, 116] Operation: 73+43=116 Moving to Node #0,0 Current State: 95:[76, 97, 116], Operations: ['73+43=116'] Exploring Operation: 116-97=19, Resulting Numbers: [76, 19] Generated Node #0,0,4: 95:[76, 19] Operation: 116-97=19 Moving to Node #0,0,4 Current State: 95:[76, 19], Operations: ['73+43=116', '116-97=19'] Exploring Operation: 76+19=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.932292
hs_5
sum_heuristic
[ 70, 16, 74, 23 ]
92
[ "74-70=4", "16*23=368", "368/4=92" ]
Current State: 92:[70, 16, 74, 23], Operations: [] Exploring Operation: 74-70=4, Resulting Numbers: [16, 23, 4] Generated Node #2: [16, 23, 4] from Operation: 74-70=4 Current State: 92:[16, 23, 4], Operations: ['74-70=4'] Exploring Operation: 16*23=368, Resulting Numbers: [4, 368] Generated Node #3: [4, 368] from Operation: 16*23=368 Current State: 92:[4, 368], Operations: ['74-70=4', '16*23=368'] Exploring Operation: 368/4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[70, 16, 74, 23], Operations: [] Exploring Operation: 74-70=4, Resulting Numbers: [16, 23, 4] Generated Node #0,0: 92:[16, 23, 4] Operation: 74-70=4 Exploring Operation: 70+16=86, Resulting Numbers: [74, 23, 86] Generated Node #0,1: 92:[74, 23, 86] Operation: 70+16=86 Exploring Operation: 16+74=90, Resulting Numbers: [70, 23, 90] Generated Node #0,2: 92:[70, 23, 90] Operation: 16+74=90 Exploring Operation: 70-16=54, Resulting Numbers: [74, 23, 54] Generated Node #0,3: 92:[74, 23, 54] Operation: 70-16=54 Moving to Node #0,0 Current State: 92:[16, 23, 4], Operations: ['74-70=4'] Exploring Operation: 23-16=7, Resulting Numbers: [4, 7] Generated Node #0,0,0: 92:[4, 7] Operation: 23-16=7 Exploring Operation: 16+4=20, Resulting Numbers: [23, 20] Generated Node #0,0,1: 92:[23, 20] Operation: 16+4=20 Exploring Operation: 16/4=4, Resulting Numbers: [23, 4] Generated Node #0,0,2: 92:[23, 4] Operation: 16/4=4 Exploring Operation: 16+23=39, Resulting Numbers: [4, 39] Generated Node #0,0,3: 92:[4, 39] Operation: 16+23=39 Moving to Node #0,2 Current State: 92:[70, 23, 90], Operations: ['16+74=90'] Exploring Operation: 90-70=20, Resulting Numbers: [23, 20] Generated Node #0,2,0: 92:[23, 20] Operation: 90-70=20 Exploring Operation: 23+90=113, Resulting Numbers: [70, 113] Generated Node #0,2,1: 92:[70, 113] Operation: 23+90=113 Exploring Operation: 70-23=47, Resulting Numbers: [90, 47] Generated Node #0,2,2: 92:[90, 47] Operation: 70-23=47 Exploring Operation: 70+23=93, Resulting Numbers: [90, 93] Generated Node #0,2,3: 92:[90, 93] Operation: 70+23=93 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 92:[23, 20], Operations: ['16+74=90', '90-70=20'] Exploring Operation: 23*20=460, Resulting Numbers: [460] 460,92 unequal: No Solution Exploring Operation: 23-20=3, Resulting Numbers: [3] 3,92 unequal: No Solution Exploring Operation: 23+20=43, Resulting Numbers: [43] 43,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 92:[90, 47], Operations: ['16+74=90', '70-23=47'] Exploring Operation: 90*47=4230, Resulting Numbers: [4230] 4230,92 unequal: No Solution Exploring Operation: 90+47=137, Resulting Numbers: [137] 137,92 unequal: No Solution Exploring Operation: 90-47=43, Resulting Numbers: [43] 43,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 92:[90, 93], Operations: ['16+74=90', '70+23=93'] Exploring Operation: 93-90=3, Resulting Numbers: [3] 3,92 unequal: No Solution Exploring Operation: 90*93=8370, Resulting Numbers: [8370] 8370,92 unequal: No Solution Exploring Operation: 90+93=183, Resulting Numbers: [183] 183,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 92:[70, 113], Operations: ['16+74=90', '23+90=113'] Exploring Operation: 113-70=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 70+113=183, Resulting Numbers: [183] 183,92 unequal: No Solution Exploring Operation: 70*113=7910, Resulting Numbers: [7910] 7910,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 92:[74, 23, 86], Operations: ['70+16=86'] Exploring Operation: 74+23=97, Resulting Numbers: [86, 97] Generated Node #0,1,0: 92:[86, 97] Operation: 74+23=97 Exploring Operation: 74-23=51, Resulting Numbers: [86, 51] Generated Node #0,1,1: 92:[86, 51] Operation: 74-23=51 Exploring Operation: 86-74=12, Resulting Numbers: [23, 12] Generated Node #0,1,2: 92:[23, 12] Operation: 86-74=12 Exploring Operation: 23+86=109, Resulting Numbers: [74, 109] Generated Node #0,1,3: 92:[74, 109] Operation: 23+86=109 Moving to Node #0,3 Current State: 92:[74, 23, 54], Operations: ['70-16=54'] Exploring Operation: 74-23=51, Resulting Numbers: [54, 51] Generated Node #0,3,0: 92:[54, 51] Operation: 74-23=51 Exploring Operation: 54-23=31, Resulting Numbers: [74, 31] Generated Node #0,3,1: 92:[74, 31] Operation: 54-23=31 Exploring Operation: 74+23=97, Resulting Numbers: [54, 97] Generated Node #0,3,2: 92:[54, 97] Operation: 74+23=97 Exploring Operation: 74-54=20, Resulting Numbers: [23, 20] Generated Node #0,3,3: 92:[23, 20] Operation: 74-54=20 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 92:[23, 20], Operations: ['70-16=54', '74-54=20'] Exploring Operation: 23+20=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 23-20=3, Resulting Numbers: [3] 3,92 unequal: No Solution Exploring Operation: 23*20=460, Resulting Numbers: [460] 460,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 92:[54, 51], Operations: ['70-16=54', '74-23=51'] Exploring Operation: 54+51=105, Resulting Numbers: [105] 105,92 unequal: No Solution Exploring Operation: 54-51=3, Resulting Numbers: [3] 3,92 unequal: No Solution Exploring Operation: 54*51=2754, Resulting Numbers: [2754] 2754,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 92:[54, 97], Operations: ['70-16=54', '74+23=97'] Exploring Operation: 54*97=5238, Resulting Numbers: [5238] 5238,92 unequal: No Solution Exploring Operation: 97-54=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 54+97=151, Resulting Numbers: [151] 151,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 92:[74, 31], Operations: ['70-16=54', '54-23=31'] Exploring Operation: 74*31=2294, Resulting Numbers: [2294] 2294,92 unequal: No Solution Exploring Operation: 74+31=105, Resulting Numbers: [105] 105,92 unequal: No Solution Exploring Operation: 74-31=43, Resulting Numbers: [43] 43,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 92:[23, 4], Operations: ['74-70=4', '16/4=4'] Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[70, 16, 74, 23], Operations: [] Exploring Operation: 74-70=4, Resulting Numbers: [16, 23, 4] Generated Node #0,0: 92:[16, 23, 4] Operation: 74-70=4 Moving to Node #0,0 Current State: 92:[16, 23, 4], Operations: ['74-70=4'] Exploring Operation: 16/4=4, Resulting Numbers: [23, 4] Generated Node #0,0,2: 92:[23, 4] Operation: 16/4=4 Moving to Node #0,0,2 Current State: 92:[23, 4], Operations: ['74-70=4', '16/4=4'] Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
0.957465
hs_4
mult_heuristic
[ 86, 77, 40, 9 ]
58
[ "86-77=9", "40+9=49", "9+49=58" ]
Current State: 58:[86, 77, 40, 9], Operations: [] Exploring Operation: 86-77=9, Resulting Numbers: [40, 9, 9] Generated Node #2: [40, 9, 9] from Operation: 86-77=9 Current State: 58:[40, 9, 9], Operations: ['86-77=9'] Exploring Operation: 40+9=49, Resulting Numbers: [49] 49,58 equal: Goal Reached Exploring Operation: 9+49=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[86, 77, 40, 9], Operations: [] Exploring Operation: 86-40=46, Resulting Numbers: [77, 9, 46] Generated Node #0,0: 58:[77, 9, 46] Operation: 86-40=46 Exploring Operation: 77-40=37, Resulting Numbers: [86, 9, 37] Generated Node #0,1: 58:[86, 9, 37] Operation: 77-40=37 Exploring Operation: 86-77=9, Resulting Numbers: [40, 9, 9] Generated Node #0,2: 58:[40, 9, 9] Operation: 86-77=9 Moving to Node #0,2 Current State: 58:[40, 9, 9], Operations: ['86-77=9'] Exploring Operation: 40-9=31, Resulting Numbers: [9, 31] Generated Node #0,2,0: 58:[9, 31] Operation: 40-9=31 Exploring Operation: 9/9=1, Resulting Numbers: [40, 1] Generated Node #0,2,1: 58:[40, 1] Operation: 9/9=1 Exploring Operation: 40-9=31, Resulting Numbers: [9, 31] Generated Node #0,2,2: 58:[9, 31] Operation: 40-9=31 Moving to Node #0,0 Current State: 58:[77, 9, 46], Operations: ['86-40=46'] Exploring Operation: 77-46=31, Resulting Numbers: [9, 31] Generated Node #0,0,0: 58:[9, 31] Operation: 77-46=31 Exploring Operation: 9+46=55, Resulting Numbers: [77, 55] Generated Node #0,0,1: 58:[77, 55] Operation: 9+46=55 Exploring Operation: 77-9=68, Resulting Numbers: [46, 68] Generated Node #0,0,2: 58:[46, 68] Operation: 77-9=68 Moving to Node #0,1 Current State: 58:[86, 9, 37], Operations: ['77-40=37'] Exploring Operation: 86-37=49, Resulting Numbers: [9, 49] Generated Node #0,1,0: 58:[9, 49] Operation: 86-37=49 Exploring Operation: 86-9=77, Resulting Numbers: [37, 77] Generated Node #0,1,1: 58:[37, 77] Operation: 86-9=77 Exploring Operation: 37-9=28, Resulting Numbers: [86, 28] Generated Node #0,1,2: 58:[86, 28] Operation: 37-9=28 Moving to Node #0,2,0 Current State: 58:[9, 31], Operations: ['86-77=9', '40-9=31'] Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,58 unequal: No Solution Exploring Operation: 9*31=279, Resulting Numbers: [279] 279,58 unequal: No Solution Exploring Operation: 9+31=40, Resulting Numbers: [40] 40,58 unequal: No Solution Moving to Node #0,2,2 Current State: 58:[9, 31], Operations: ['86-77=9', '40-9=31'] Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,58 unequal: No Solution Exploring Operation: 9*31=279, Resulting Numbers: [279] 279,58 unequal: No Solution Exploring Operation: 9+31=40, Resulting Numbers: [40] 40,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[9, 31], Operations: ['86-40=46', '77-46=31'] Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,58 unequal: No Solution Exploring Operation: 9+31=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 9*31=279, Resulting Numbers: [279] 279,58 unequal: No Solution Moving to Node #0,2,1 Current State: 58:[40, 1], Operations: ['86-77=9', '9/9=1'] Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 40*1=40, Resulting Numbers: [40] 40,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[9, 49], Operations: ['77-40=37', '86-37=49'] Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 9+49=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[86, 77, 40, 9], Operations: [] Exploring Operation: 77-40=37, Resulting Numbers: [86, 9, 37] Generated Node #0,1: 58:[86, 9, 37] Operation: 77-40=37 Moving to Node #0,1 Current State: 58:[86, 9, 37], Operations: ['77-40=37'] Exploring Operation: 86-37=49, Resulting Numbers: [9, 49] Generated Node #0,1,0: 58:[9, 49] Operation: 86-37=49 Moving to Node #0,1,0 Current State: 58:[9, 49], Operations: ['77-40=37', '86-37=49'] Exploring Operation: 9+49=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
0.973958
hs_3
mult_heuristic
[ 88, 42, 35, 3 ]
55
[ "88+42=130", "35+130=165", "165/3=55" ]
Current State: 55:[88, 42, 35, 3], Operations: [] Exploring Operation: 88+42=130, Resulting Numbers: [35, 3, 130] Generated Node #2: [35, 3, 130] from Operation: 88+42=130 Current State: 55:[35, 3, 130], Operations: ['88+42=130'] Exploring Operation: 35+130=165, Resulting Numbers: [3, 165] Generated Node #3: [3, 165] from Operation: 35+130=165 Current State: 55:[3, 165], Operations: ['88+42=130', '35+130=165'] Exploring Operation: 165/3=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[88, 42, 35, 3], Operations: [] Exploring Operation: 42-35=7, Resulting Numbers: [88, 3, 7] Generated Node #0,0: 55:[88, 3, 7] Operation: 42-35=7 Exploring Operation: 42/3=14, Resulting Numbers: [88, 35, 14] Generated Node #0,1: 55:[88, 35, 14] Operation: 42/3=14 Exploring Operation: 88-42=46, Resulting Numbers: [35, 3, 46] Generated Node #0,2: 55:[35, 3, 46] Operation: 88-42=46 Exploring Operation: 88-35=53, Resulting Numbers: [42, 3, 53] Generated Node #0,3: 55:[42, 3, 53] Operation: 88-35=53 Exploring Operation: 42+35=77, Resulting Numbers: [88, 3, 77] Generated Node #0,4: 55:[88, 3, 77] Operation: 42+35=77 Start Sub Search at level 1: Moving to Node #0,3 Current State: 55:[42, 3, 53], Operations: ['88-35=53'] Exploring Operation: 42+3=45, Resulting Numbers: [53, 45] Generated Node #0,3,0: 55:[53, 45] Operation: 42+3=45 Exploring Operation: 3+53=56, Resulting Numbers: [42, 56] Generated Node #0,3,1: 55:[42, 56] Operation: 3+53=56 Exploring Operation: 42-3=39, Resulting Numbers: [53, 39] Generated Node #0,3,2: 55:[53, 39] Operation: 42-3=39 Exploring Operation: 53-42=11, Resulting Numbers: [3, 11] Generated Node #0,3,3: 55:[3, 11] Operation: 53-42=11 Exploring Operation: 42/3=14, Resulting Numbers: [53, 14] Generated Node #0,3,4: 55:[53, 14] Operation: 42/3=14 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 55:[3, 11], Operations: ['88-35=53', '53-42=11'] Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,55 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,55 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 55:[53, 14], Operations: ['88-35=53', '42/3=14'] Exploring Operation: 53*14=742, Resulting Numbers: [742] 742,55 unequal: No Solution Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 53+14=67, Resulting Numbers: [67] 67,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 55:[53, 45], Operations: ['88-35=53', '42+3=45'] Exploring Operation: 53+45=98, Resulting Numbers: [98] 98,55 unequal: No Solution Exploring Operation: 53*45=2385, Resulting Numbers: [2385] 2385,55 unequal: No Solution Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 55:[42, 56], Operations: ['88-35=53', '3+53=56'] Exploring Operation: 42*56=2352, Resulting Numbers: [2352] 2352,55 unequal: No Solution Exploring Operation: 42+56=98, Resulting Numbers: [98] 98,55 unequal: No Solution Exploring Operation: 56-42=14, Resulting Numbers: [14] 14,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 55:[53, 39], Operations: ['88-35=53', '42-3=39'] Exploring Operation: 53*39=2067, Resulting Numbers: [2067] 2067,55 unequal: No Solution Exploring Operation: 53+39=92, Resulting Numbers: [92] 92,55 unequal: No Solution Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 55:[35, 3, 46], Operations: ['88-42=46'] Exploring Operation: 35+3=38, Resulting Numbers: [46, 38] Generated Node #0,2,0: 55:[46, 38] Operation: 35+3=38 Exploring Operation: 3+46=49, Resulting Numbers: [35, 49] Generated Node #0,2,1: 55:[35, 49] Operation: 3+46=49 Exploring Operation: 35-3=32, Resulting Numbers: [46, 32] Generated Node #0,2,2: 55:[46, 32] Operation: 35-3=32 Exploring Operation: 46-35=11, Resulting Numbers: [3, 11] Generated Node #0,2,3: 55:[3, 11] Operation: 46-35=11 Exploring Operation: 35+46=81, Resulting Numbers: [3, 81] Generated Node #0,2,4: 55:[3, 81] Operation: 35+46=81 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 55:[3, 11], Operations: ['88-42=46', '46-35=11'] Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,55 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 55:[46, 38], Operations: ['88-42=46', '35+3=38'] Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,55 unequal: No Solution Exploring Operation: 46+38=84, Resulting Numbers: [84] 84,55 unequal: No Solution Exploring Operation: 46*38=1748, Resulting Numbers: [1748] 1748,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 55:[35, 49], Operations: ['88-42=46', '3+46=49'] Exploring Operation: 49-35=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 35+49=84, Resulting Numbers: [84] 84,55 unequal: No Solution Exploring Operation: 35*49=1715, Resulting Numbers: [1715] 1715,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 55:[3, 81], Operations: ['88-42=46', '35+46=81'] Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,55 unequal: No Solution Exploring Operation: 3*81=243, Resulting Numbers: [243] 243,55 unequal: No Solution Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,55 unequal: No Solution Exploring Operation: 3+81=84, Resulting Numbers: [84] 84,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 55:[46, 32], Operations: ['88-42=46', '35-3=32'] Exploring Operation: 46+32=78, Resulting Numbers: [78] 78,55 unequal: No Solution Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 46*32=1472, Resulting Numbers: [1472] 1472,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[88, 3, 7], Operations: ['42-35=7'] Exploring Operation: 88+3=91, Resulting Numbers: [7, 91] Generated Node #0,0,0: 55:[7, 91] Operation: 88+3=91 Exploring Operation: 7-3=4, Resulting Numbers: [88, 4] Generated Node #0,0,1: 55:[88, 4] Operation: 7-3=4 Exploring Operation: 88-3=85, Resulting Numbers: [7, 85] Generated Node #0,0,2: 55:[7, 85] Operation: 88-3=85 Exploring Operation: 3+7=10, Resulting Numbers: [88, 10] Generated Node #0,0,3: 55:[88, 10] Operation: 3+7=10 Exploring Operation: 88-7=81, Resulting Numbers: [3, 81] Generated Node #0,0,4: 55:[3, 81] Operation: 88-7=81 Moving to Node #0,0,4 Current State: 55:[3, 81], Operations: ['42-35=7', '88-7=81'] Exploring Operation: 3+81=84, Resulting Numbers: [84] 84,55 unequal: No Solution Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,55 unequal: No Solution Exploring Operation: 3*81=243, Resulting Numbers: [243] 243,55 unequal: No Solution Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,55 unequal: No Solution Moving to Node #0,0,2 Current State: 55:[7, 85], Operations: ['42-35=7', '88-3=85'] Exploring Operation: 7*85=595, Resulting Numbers: [595] 595,55 unequal: No Solution Exploring Operation: 7+85=92, Resulting Numbers: [92] 92,55 unequal: No Solution Exploring Operation: 85-7=78, Resulting Numbers: [78] 78,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[88, 4], Operations: ['42-35=7', '7-3=4'] Exploring Operation: 88*4=352, Resulting Numbers: [352] 352,55 unequal: No Solution Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,55 unequal: No Solution Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,55 unequal: No Solution Exploring Operation: 88+4=92, Resulting Numbers: [92] 92,55 unequal: No Solution Moving to Node #0,0,3 Current State: 55:[88, 10], Operations: ['42-35=7', '3+7=10'] Exploring Operation: 88+10=98, Resulting Numbers: [98] 98,55 unequal: No Solution Exploring Operation: 88*10=880, Resulting Numbers: [880] 880,55 unequal: No Solution Exploring Operation: 88-10=78, Resulting Numbers: [78] 78,55 unequal: No Solution Moving to Node #0,0,0 Current State: 55:[7, 91], Operations: ['42-35=7', '88+3=91'] Exploring Operation: 7*91=637, Resulting Numbers: [637] 637,55 unequal: No Solution Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,55 unequal: No Solution Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,55 unequal: No Solution Exploring Operation: 7+91=98, Resulting Numbers: [98] 98,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[88, 35, 14], Operations: ['42/3=14'] Exploring Operation: 88-35=53, Resulting Numbers: [14, 53] Generated Node #0,1,0: 55:[14, 53] Operation: 88-35=53 Exploring Operation: 35-14=21, Resulting Numbers: [88, 21] Generated Node #0,1,1: 55:[88, 21] Operation: 35-14=21 Exploring Operation: 88-14=74, Resulting Numbers: [35, 74] Generated Node #0,1,2: 55:[35, 74] Operation: 88-14=74 Exploring Operation: 88+14=102, Resulting Numbers: [35, 102] Generated Node #0,1,3: 55:[35, 102] Operation: 88+14=102 Exploring Operation: 35+14=49, Resulting Numbers: [88, 49] Generated Node #0,1,4: 55:[88, 49] Operation: 35+14=49 Moving to Node #0,1,0 Current State: 55:[14, 53], Operations: ['42/3=14', '88-35=53'] Exploring Operation: 14+53=67, Resulting Numbers: [67] 67,55 unequal: No Solution Exploring Operation: 14*53=742, Resulting Numbers: [742] 742,55 unequal: No Solution Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,55 unequal: No Solution Moving to Node #0,1,4 Current State: 55:[88, 49], Operations: ['42/3=14', '35+14=49'] Exploring Operation: 88-49=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 88*49=4312, Resulting Numbers: [4312] 4312,55 unequal: No Solution Exploring Operation: 88+49=137, Resulting Numbers: [137] 137,55 unequal: No Solution Moving to Node #0,1,2 Current State: 55:[35, 74], Operations: ['42/3=14', '88-14=74'] Exploring Operation: 35+74=109, Resulting Numbers: [109] 109,55 unequal: No Solution Exploring Operation: 74-35=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 35*74=2590, Resulting Numbers: [2590] 2590,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[88, 21], Operations: ['42/3=14', '35-14=21'] Exploring Operation: 88-21=67, Resulting Numbers: [67] 67,55 unequal: No Solution Exploring Operation: 88*21=1848, Resulting Numbers: [1848] 1848,55 unequal: No Solution Exploring Operation: 88+21=109, Resulting Numbers: [109] 109,55 unequal: No Solution Moving to Node #0,1,3 Current State: 55:[35, 102], Operations: ['42/3=14', '88+14=102'] Exploring Operation: 35*102=3570, Resulting Numbers: [3570] 3570,55 unequal: No Solution Exploring Operation: 35+102=137, Resulting Numbers: [137] 137,55 unequal: No Solution Exploring Operation: 102-35=67, Resulting Numbers: [67] 67,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 55:[88, 3, 77], Operations: ['42+35=77'] Exploring Operation: 88-77=11, Resulting Numbers: [3, 11] Generated Node #0,4,0: 55:[3, 11] Operation: 88-77=11 Exploring Operation: 88-3=85, Resulting Numbers: [77, 85] Generated Node #0,4,1: 55:[77, 85] Operation: 88-3=85 Exploring Operation: 77-3=74, Resulting Numbers: [88, 74] Generated Node #0,4,2: 55:[88, 74] Operation: 77-3=74 Exploring Operation: 88+3=91, Resulting Numbers: [77, 91] Generated Node #0,4,3: 55:[77, 91] Operation: 88+3=91 Exploring Operation: 3+77=80, Resulting Numbers: [88, 80] Generated Node #0,4,4: 55:[88, 80] Operation: 3+77=80 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 55:[3, 11], Operations: ['42+35=77', '88-77=11'] Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,55 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 55:[77, 85], Operations: ['42+35=77', '88-3=85'] Exploring Operation: 77*85=6545, Resulting Numbers: [6545] 6545,55 unequal: No Solution Exploring Operation: 85-77=8, Resulting Numbers: [8] 8,55 unequal: No Solution Exploring Operation: 77+85=162, Resulting Numbers: [162] 162,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 55:[88, 74], Operations: ['42+35=77', '77-3=74'] Exploring Operation: 88-74=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 88+74=162, Resulting Numbers: [162] 162,55 unequal: No Solution Exploring Operation: 88*74=6512, Resulting Numbers: [6512] 6512,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 55:[77, 91], Operations: ['42+35=77', '88+3=91'] Exploring Operation: 77+91=168, Resulting Numbers: [168] 168,55 unequal: No Solution Exploring Operation: 91-77=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 77*91=7007, Resulting Numbers: [7007] 7007,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 55:[88, 80], Operations: ['42+35=77', '3+77=80'] Exploring Operation: 88-80=8, Resulting Numbers: [8] 8,55 unequal: No Solution Exploring Operation: 88*80=7040, Resulting Numbers: [7040] 7040,55 unequal: No Solution Exploring Operation: 88+80=168, Resulting Numbers: [168] 168,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 10, 88, 22, 45 ]
56
[ "88+22=110", "110/10=11", "45+11=56" ]
Current State: 56:[10, 88, 22, 45], Operations: [] Exploring Operation: 88+22=110, Resulting Numbers: [10, 45, 110] Generated Node #2: [10, 45, 110] from Operation: 88+22=110 Current State: 56:[10, 45, 110], Operations: ['88+22=110'] Exploring Operation: 110/10=11, Resulting Numbers: [45, 11] Generated Node #3: [45, 11] from Operation: 110/10=11 Current State: 56:[45, 11], Operations: ['88+22=110', '110/10=11'] Exploring Operation: 45+11=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[10, 88, 22, 45], Operations: [] Exploring Operation: 88-45=43, Resulting Numbers: [10, 22, 43] Generated Node #0,0: 56:[10, 22, 43] Operation: 88-45=43 Exploring Operation: 88/22=4, Resulting Numbers: [10, 45, 4] Generated Node #0,1: 56:[10, 45, 4] Operation: 88/22=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[10, 45, 4], Operations: ['88/22=4'] Exploring Operation: 10+45=55, Resulting Numbers: [4, 55] Generated Node #0,1,0: 56:[4, 55] Operation: 10+45=55 Exploring Operation: 45-10=35, Resulting Numbers: [4, 35] Generated Node #0,1,1: 56:[4, 35] Operation: 45-10=35 Moving to Node #0,1,0 Current State: 56:[4, 55], Operations: ['88/22=4', '10+45=55'] Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,56 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,56 unequal: No Solution Moving to Node #0,1,1 Current State: 56:[4, 35], Operations: ['88/22=4', '45-10=35'] Exploring Operation: 4+35=39, Resulting Numbers: [39] 39,56 unequal: No Solution Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[10, 22, 43], Operations: ['88-45=43'] Exploring Operation: 43-22=21, Resulting Numbers: [10, 21] Generated Node #0,0,0: 56:[10, 21] Operation: 43-22=21 Exploring Operation: 10+43=53, Resulting Numbers: [22, 53] Generated Node #0,0,1: 56:[22, 53] Operation: 10+43=53 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 56:[10, 21], Operations: ['88-45=43', '43-22=21'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,56 unequal: No Solution Exploring Operation: 10+21=31, Resulting Numbers: [31] 31,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 56:[22, 53], Operations: ['88-45=43', '10+43=53'] Exploring Operation: 22+53=75, Resulting Numbers: [75] 75,56 unequal: No Solution Exploring Operation: 53-22=31, Resulting Numbers: [31] 31,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 8, 29, 10, 43 ]
36
[ "10-8=2", "29+43=72", "72/2=36" ]
Current State: 36:[8, 29, 10, 43], Operations: [] Exploring Operation: 10-8=2, Resulting Numbers: [29, 43, 2] Generated Node #2: [29, 43, 2] from Operation: 10-8=2 Current State: 36:[29, 43, 2], Operations: ['10-8=2'] Exploring Operation: 29+43=72, Resulting Numbers: [2, 72] Generated Node #3: [2, 72] from Operation: 29+43=72 Current State: 36:[2, 72], Operations: ['10-8=2', '29+43=72'] Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[8, 29, 10, 43], Operations: [] Exploring Operation: 43-29=14, Resulting Numbers: [8, 10, 14] Generated Node #0,0: 36:[8, 10, 14] Operation: 43-29=14 Exploring Operation: 43-8=35, Resulting Numbers: [29, 10, 35] Generated Node #0,1: 36:[29, 10, 35] Operation: 43-8=35 Exploring Operation: 8+29=37, Resulting Numbers: [10, 43, 37] Generated Node #0,2: 36:[10, 43, 37] Operation: 8+29=37 Moving to Node #0,0 Current State: 36:[8, 10, 14], Operations: ['43-29=14'] Exploring Operation: 14-10=4, Resulting Numbers: [8, 4] Generated Node #0,0,0: 36:[8, 4] Operation: 14-10=4 Exploring Operation: 8+10=18, Resulting Numbers: [14, 18] Generated Node #0,0,1: 36:[14, 18] Operation: 8+10=18 Exploring Operation: 14-8=6, Resulting Numbers: [10, 6] Generated Node #0,0,2: 36:[10, 6] Operation: 14-8=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[8, 4], Operations: ['43-29=14', '14-10=4'] Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 36:[10, 6], Operations: ['43-29=14', '14-8=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,36 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,36 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 36:[14, 18], Operations: ['43-29=14', '8+10=18'] Exploring Operation: 14*18=252, Resulting Numbers: [252] 252,36 unequal: No Solution Exploring Operation: 14+18=32, Resulting Numbers: [32] 32,36 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 36:[29, 10, 35], Operations: ['43-8=35'] Exploring Operation: 29+10=39, Resulting Numbers: [35, 39] Generated Node #0,1,0: 36:[35, 39] Operation: 29+10=39 Exploring Operation: 35-29=6, Resulting Numbers: [10, 6] Generated Node #0,1,1: 36:[10, 6] Operation: 35-29=6 Exploring Operation: 29-10=19, Resulting Numbers: [35, 19] Generated Node #0,1,2: 36:[35, 19] Operation: 29-10=19 Moving to Node #0,2 Current State: 36:[10, 43, 37], Operations: ['8+29=37'] Exploring Operation: 43-37=6, Resulting Numbers: [10, 6] Generated Node #0,2,0: 36:[10, 6] Operation: 43-37=6 Exploring Operation: 37-10=27, Resulting Numbers: [43, 27] Generated Node #0,2,1: 36:[43, 27] Operation: 37-10=27 Exploring Operation: 43-10=33, Resulting Numbers: [37, 33] Generated Node #0,2,2: 36:[37, 33] Operation: 43-10=33 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 36:[10, 6], Operations: ['8+29=37', '43-37=6'] Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,36 unequal: No Solution Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,36 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 36:[37, 33], Operations: ['8+29=37', '43-10=33'] Exploring Operation: 37*33=1221, Resulting Numbers: [1221] 1221,36 unequal: No Solution Exploring Operation: 37+33=70, Resulting Numbers: [70] 70,36 unequal: No Solution Exploring Operation: 37-33=4, Resulting Numbers: [4] 4,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 36:[43, 27], Operations: ['8+29=37', '37-10=27'] Exploring Operation: 43*27=1161, Resulting Numbers: [1161] 1161,36 unequal: No Solution Exploring Operation: 43-27=16, Resulting Numbers: [16] 16,36 unequal: No Solution Exploring Operation: 43+27=70, Resulting Numbers: [70] 70,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 36:[10, 6], Operations: ['43-8=35', '35-29=6'] Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,36 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,36 unequal: No Solution Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,36 unequal: No Solution Moving to Node #0,1,2 Current State: 36:[35, 19], Operations: ['43-8=35', '29-10=19'] Exploring Operation: 35+19=54, Resulting Numbers: [54] 54,36 unequal: No Solution Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,36 unequal: No Solution Exploring Operation: 35*19=665, Resulting Numbers: [665] 665,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[35, 39], Operations: ['43-8=35', '29+10=39'] Exploring Operation: 35*39=1365, Resulting Numbers: [1365] 1365,36 unequal: No Solution Exploring Operation: 35+39=74, Resulting Numbers: [74] 74,36 unequal: No Solution Exploring Operation: 39-35=4, Resulting Numbers: [4] 4,36 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 8, 25, 26, 47 ]
32
[ "25+26=51", "51-47=4", "8*4=32" ]
Current State: 32:[8, 25, 26, 47], Operations: [] Exploring Operation: 25+26=51, Resulting Numbers: [8, 47, 51] Generated Node #2: [8, 47, 51] from Operation: 25+26=51 Current State: 32:[8, 47, 51], Operations: ['25+26=51'] Exploring Operation: 51-47=4, Resulting Numbers: [8, 4] Generated Node #3: [8, 4] from Operation: 51-47=4 Current State: 32:[8, 4], Operations: ['25+26=51', '51-47=4'] Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[8, 25, 26, 47], Operations: [] Exploring Operation: 47-25=22, Resulting Numbers: [8, 26, 22] Generated Node #0,0: 32:[8, 26, 22] Operation: 47-25=22 Exploring Operation: 47-26=21, Resulting Numbers: [8, 25, 21] Generated Node #0,1: 32:[8, 25, 21] Operation: 47-26=21 Moving to Node #0,0 Current State: 32:[8, 26, 22], Operations: ['47-25=22'] Exploring Operation: 8+26=34, Resulting Numbers: [22, 34] Generated Node #0,0,0: 32:[22, 34] Operation: 8+26=34 Exploring Operation: 26-22=4, Resulting Numbers: [8, 4] Generated Node #0,0,1: 32:[8, 4] Operation: 26-22=4 Moving to Node #0,1 Current State: 32:[8, 25, 21], Operations: ['47-26=21'] Exploring Operation: 25-21=4, Resulting Numbers: [8, 4] Generated Node #0,1,0: 32:[8, 4] Operation: 25-21=4 Exploring Operation: 8+25=33, Resulting Numbers: [21, 33] Generated Node #0,1,1: 32:[21, 33] Operation: 8+25=33 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 32:[8, 4], Operations: ['47-26=21', '25-21=4'] Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[8, 25, 26, 47], Operations: [] Exploring Operation: 47-26=21, Resulting Numbers: [8, 25, 21] Generated Node #0,1: 32:[8, 25, 21] Operation: 47-26=21 Moving to Node #0,1 Current State: 32:[8, 25, 21], Operations: ['47-26=21'] Exploring Operation: 25-21=4, Resulting Numbers: [8, 4] Generated Node #0,1,0: 32:[8, 4] Operation: 25-21=4 Moving to Node #0,1,0 Current State: 32:[8, 4], Operations: ['47-26=21', '25-21=4'] Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 30, 49, 94, 46 ]
34
[ "30*49=1470", "94+1470=1564", "1564/46=34" ]
Current State: 34:[30, 49, 94, 46], Operations: [] Exploring Operation: 30*49=1470, Resulting Numbers: [94, 46, 1470] Generated Node #2: [94, 46, 1470] from Operation: 30*49=1470 Current State: 34:[94, 46, 1470], Operations: ['30*49=1470'] Exploring Operation: 94+1470=1564, Resulting Numbers: [46, 1564] Generated Node #3: [46, 1564] from Operation: 94+1470=1564 Current State: 34:[46, 1564], Operations: ['30*49=1470', '94+1470=1564'] Exploring Operation: 1564/46=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[30, 49, 94, 46], Operations: [] Exploring Operation: 94-46=48, Resulting Numbers: [30, 49, 48] Generated Node #0,0: 34:[30, 49, 48] Operation: 94-46=48 Exploring Operation: 94-49=45, Resulting Numbers: [30, 46, 45] Generated Node #0,1: 34:[30, 46, 45] Operation: 94-49=45 Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[30, 46, 45], Operations: ['94-49=45'] Exploring Operation: 46-30=16, Resulting Numbers: [45, 16] Generated Node #0,1,0: 34:[45, 16] Operation: 46-30=16 Exploring Operation: 46-45=1, Resulting Numbers: [30, 1] Generated Node #0,1,1: 34:[30, 1] Operation: 46-45=1 Moving to Node #0,1,1 Current State: 34:[30, 1], Operations: ['94-49=45', '46-45=1'] Exploring Operation: 30*1=30, Resulting Numbers: [30] 30,34 unequal: No Solution Exploring Operation: 30+1=31, Resulting Numbers: [31] 31,34 unequal: No Solution Moving to Node #0,1,0 Current State: 34:[45, 16], Operations: ['94-49=45', '46-30=16'] Exploring Operation: 45-16=29, Resulting Numbers: [29] 29,34 unequal: No Solution Exploring Operation: 45+16=61, Resulting Numbers: [61] 61,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[30, 49, 48], Operations: ['94-46=48'] Exploring Operation: 49-30=19, Resulting Numbers: [48, 19] Generated Node #0,0,0: 34:[48, 19] Operation: 49-30=19 Exploring Operation: 49-48=1, Resulting Numbers: [30, 1] Generated Node #0,0,1: 34:[30, 1] Operation: 49-48=1 Moving to Node #0,0,1 Current State: 34:[30, 1], Operations: ['94-46=48', '49-48=1'] Exploring Operation: 30+1=31, Resulting Numbers: [31] 31,34 unequal: No Solution Exploring Operation: 30*1=30, Resulting Numbers: [30] 30,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[48, 19], Operations: ['94-46=48', '49-30=19'] Exploring Operation: 48+19=67, Resulting Numbers: [67] 67,34 unequal: No Solution Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 8, 40, 24, 72 ]
56
[ "40-24=16", "8*16=128", "128-72=56" ]
Current State: 56:[8, 40, 24, 72], Operations: [] Exploring Operation: 40-24=16, Resulting Numbers: [8, 72, 16] Generated Node #2: [8, 72, 16] from Operation: 40-24=16 Current State: 56:[8, 72, 16], Operations: ['40-24=16'] Exploring Operation: 8*16=128, Resulting Numbers: [72, 128] Generated Node #3: [72, 128] from Operation: 8*16=128 Current State: 56:[72, 128], Operations: ['40-24=16', '8*16=128'] Exploring Operation: 128-72=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[8, 40, 24, 72], Operations: [] Exploring Operation: 72/24=3, Resulting Numbers: [8, 40, 3] Generated Node #0,0: 56:[8, 40, 3] Operation: 72/24=3 Exploring Operation: 72-40=32, Resulting Numbers: [8, 24, 32] Generated Node #0,1: 56:[8, 24, 32] Operation: 72-40=32 Exploring Operation: 72/8=9, Resulting Numbers: [40, 24, 9] Generated Node #0,2: 56:[40, 24, 9] Operation: 72/8=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[8, 24, 32], Operations: ['72-40=32'] Exploring Operation: 32-24=8, Resulting Numbers: [8, 8] Generated Node #0,1,0: 56:[8, 8] Operation: 32-24=8 Exploring Operation: 24+32=56, Resulting Numbers: [8, 56] Generated Node #0,1,1: 56:[8, 56] Operation: 24+32=56 Exploring Operation: 32/8=4, Resulting Numbers: [24, 4] Generated Node #0,1,2: 56:[24, 4] Operation: 32/8=4 Moving to Node #0,1,0 Current State: 56:[8, 8], Operations: ['72-40=32', '32-24=8'] Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,56 unequal: No Solution Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,56 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,56 unequal: No Solution Moving to Node #0,1,1 Current State: 56:[8, 56], Operations: ['72-40=32', '24+32=56'] Exploring Operation: 8+56=64, Resulting Numbers: [64] 64,56 unequal: No Solution Exploring Operation: 56-8=48, Resulting Numbers: [48] 48,56 unequal: No Solution Exploring Operation: 56/8=7, Resulting Numbers: [7] 7,56 unequal: No Solution Moving to Node #0,1,2 Current State: 56:[24, 4], Operations: ['72-40=32', '32/8=4'] Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,56 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[8, 40, 3], Operations: ['72/24=3'] Exploring Operation: 40-8=32, Resulting Numbers: [3, 32] Generated Node #0,0,0: 56:[3, 32] Operation: 40-8=32 Exploring Operation: 8+40=48, Resulting Numbers: [3, 48] Generated Node #0,0,1: 56:[3, 48] Operation: 8+40=48 Exploring Operation: 40/8=5, Resulting Numbers: [3, 5] Generated Node #0,0,2: 56:[3, 5] Operation: 40/8=5 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 56:[3, 5], Operations: ['72/24=3', '40/8=5'] Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,56 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 56:[3, 32], Operations: ['72/24=3', '40-8=32'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,56 unequal: No Solution Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,56 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 56:[3, 48], Operations: ['72/24=3', '8+40=48'] Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,56 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,56 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 56:[40, 24, 9], Operations: ['72/8=9'] Exploring Operation: 40-24=16, Resulting Numbers: [9, 16] Generated Node #0,2,0: 56:[9, 16] Operation: 40-24=16 Exploring Operation: 40-9=31, Resulting Numbers: [24, 31] Generated Node #0,2,1: 56:[24, 31] Operation: 40-9=31 Exploring Operation: 40+24=64, Resulting Numbers: [9, 64] Generated Node #0,2,2: 56:[9, 64] Operation: 40+24=64 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 56:[9, 16], Operations: ['72/8=9', '40-24=16'] Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,56 unequal: No Solution Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,56 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 56:[24, 31], Operations: ['72/8=9', '40-9=31'] Exploring Operation: 24*31=744, Resulting Numbers: [744] 744,56 unequal: No Solution Exploring Operation: 31-24=7, Resulting Numbers: [7] 7,56 unequal: No Solution Exploring Operation: 24+31=55, Resulting Numbers: [55] 55,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 56:[9, 64], Operations: ['72/8=9', '40+24=64'] Exploring Operation: 9+64=73, Resulting Numbers: [73] 73,56 unequal: No Solution Exploring Operation: 9*64=576, Resulting Numbers: [576] 576,56 unequal: No Solution Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 78, 52, 64, 25 ]
26
[ "64-25=39", "78/39=2", "52/2=26" ]
Current State: 26:[78, 52, 64, 25], Operations: [] Exploring Operation: 64-25=39, Resulting Numbers: [78, 52, 39] Generated Node #2: [78, 52, 39] from Operation: 64-25=39 Current State: 26:[78, 52, 39], Operations: ['64-25=39'] Exploring Operation: 78/39=2, Resulting Numbers: [52, 2] Generated Node #3: [52, 2] from Operation: 78/39=2 Current State: 26:[52, 2], Operations: ['64-25=39', '78/39=2'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[78, 52, 64, 25], Operations: [] Exploring Operation: 78-25=53, Resulting Numbers: [52, 64, 53] Generated Node #0,0: 26:[52, 64, 53] Operation: 78-25=53 Exploring Operation: 64-52=12, Resulting Numbers: [78, 25, 12] Generated Node #0,1: 26:[78, 25, 12] Operation: 64-52=12 Exploring Operation: 78-52=26, Resulting Numbers: [64, 25, 26] Generated Node #0,2: 26:[64, 25, 26] Operation: 78-52=26 Exploring Operation: 78-64=14, Resulting Numbers: [52, 25, 14] Generated Node #0,3: 26:[52, 25, 14] Operation: 78-64=14 Moving to Node #0,3 Current State: 26:[52, 25, 14], Operations: ['78-64=14'] Exploring Operation: 52-25=27, Resulting Numbers: [14, 27] Generated Node #0,3,0: 26:[14, 27] Operation: 52-25=27 Exploring Operation: 25+14=39, Resulting Numbers: [52, 39] Generated Node #0,3,1: 26:[52, 39] Operation: 25+14=39 Exploring Operation: 52-14=38, Resulting Numbers: [25, 38] Generated Node #0,3,2: 26:[25, 38] Operation: 52-14=38 Exploring Operation: 25-14=11, Resulting Numbers: [52, 11] Generated Node #0,3,3: 26:[52, 11] Operation: 25-14=11 Moving to Node #0,2 Current State: 26:[64, 25, 26], Operations: ['78-52=26'] Exploring Operation: 64+25=89, Resulting Numbers: [26, 89] Generated Node #0,2,0: 26:[26, 89] Operation: 64+25=89 Exploring Operation: 64-26=38, Resulting Numbers: [25, 38] Generated Node #0,2,1: 26:[25, 38] Operation: 64-26=38 Exploring Operation: 26-25=1, Resulting Numbers: [64, 1] Generated Node #0,2,2: 26:[64, 1] Operation: 26-25=1 Exploring Operation: 64-25=39, Resulting Numbers: [26, 39] Generated Node #0,2,3: 26:[26, 39] Operation: 64-25=39 Moving to Node #0,1 Current State: 26:[78, 25, 12], Operations: ['64-52=12'] Exploring Operation: 78-12=66, Resulting Numbers: [25, 66] Generated Node #0,1,0: 26:[25, 66] Operation: 78-12=66 Exploring Operation: 25-12=13, Resulting Numbers: [78, 13] Generated Node #0,1,1: 26:[78, 13] Operation: 25-12=13 Exploring Operation: 25+12=37, Resulting Numbers: [78, 37] Generated Node #0,1,2: 26:[78, 37] Operation: 25+12=37 Exploring Operation: 78-25=53, Resulting Numbers: [12, 53] Generated Node #0,1,3: 26:[12, 53] Operation: 78-25=53 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 26:[12, 53], Operations: ['64-52=12', '78-25=53'] Exploring Operation: 53-12=41, Resulting Numbers: [41] 41,26 unequal: No Solution Exploring Operation: 12+53=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 12*53=636, Resulting Numbers: [636] 636,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[25, 66], Operations: ['64-52=12', '78-12=66'] Exploring Operation: 25*66=1650, Resulting Numbers: [1650] 1650,26 unequal: No Solution Exploring Operation: 66-25=41, Resulting Numbers: [41] 41,26 unequal: No Solution Exploring Operation: 25+66=91, Resulting Numbers: [91] 91,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 26:[78, 13], Operations: ['64-52=12', '25-12=13'] Exploring Operation: 78/13=6, Resulting Numbers: [6] 6,26 unequal: No Solution Exploring Operation: 78+13=91, Resulting Numbers: [91] 91,26 unequal: No Solution Exploring Operation: 78-13=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 78*13=1014, Resulting Numbers: [1014] 1014,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 26:[78, 37], Operations: ['64-52=12', '25+12=37'] Exploring Operation: 78-37=41, Resulting Numbers: [41] 41,26 unequal: No Solution Exploring Operation: 78*37=2886, Resulting Numbers: [2886] 2886,26 unequal: No Solution Exploring Operation: 78+37=115, Resulting Numbers: [115] 115,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 26:[52, 64, 53], Operations: ['78-25=53'] Exploring Operation: 52+64=116, Resulting Numbers: [53, 116] Generated Node #0,0,0: 26:[53, 116] Operation: 52+64=116 Exploring Operation: 53-52=1, Resulting Numbers: [64, 1] Generated Node #0,0,1: 26:[64, 1] Operation: 53-52=1 Exploring Operation: 64-52=12, Resulting Numbers: [53, 12] Generated Node #0,0,2: 26:[53, 12] Operation: 64-52=12 Exploring Operation: 64-53=11, Resulting Numbers: [52, 11] Generated Node #0,0,3: 26:[52, 11] Operation: 64-53=11 Moving to Node #0,3,0 Current State: 26:[14, 27], Operations: ['78-64=14', '52-25=27'] Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 14*27=378, Resulting Numbers: [378] 378,26 unequal: No Solution Exploring Operation: 14+27=41, Resulting Numbers: [41] 41,26 unequal: No Solution Moving to Node #0,2,3 Current State: 26:[26, 39], Operations: ['78-52=26', '64-25=39'] Exploring Operation: 26+39=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 26*39=1014, Resulting Numbers: [1014] 1014,26 unequal: No Solution Exploring Operation: 39-26=13, Resulting Numbers: [13] 13,26 unequal: No Solution Moving to Node #0,3,2 Current State: 26:[25, 38], Operations: ['78-64=14', '52-14=38'] Exploring Operation: 38-25=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 25+38=63, Resulting Numbers: [63] 63,26 unequal: No Solution Exploring Operation: 25*38=950, Resulting Numbers: [950] 950,26 unequal: No Solution Moving to Node #0,2,1 Current State: 26:[25, 38], Operations: ['78-52=26', '64-26=38'] Exploring Operation: 25+38=63, Resulting Numbers: [63] 63,26 unequal: No Solution Exploring Operation: 38-25=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 25*38=950, Resulting Numbers: [950] 950,26 unequal: No Solution Moving to Node #0,3,3 Current State: 26:[52, 11], Operations: ['78-64=14', '25-14=11'] Exploring Operation: 52*11=572, Resulting Numbers: [572] 572,26 unequal: No Solution Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,26 unequal: No Solution Exploring Operation: 52+11=63, Resulting Numbers: [63] 63,26 unequal: No Solution Moving to Node #0,0,3 Current State: 26:[52, 11], Operations: ['78-25=53', '64-53=11'] Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,26 unequal: No Solution Exploring Operation: 52*11=572, Resulting Numbers: [572] 572,26 unequal: No Solution Exploring Operation: 52+11=63, Resulting Numbers: [63] 63,26 unequal: No Solution Moving to Node #0,0,2 Current State: 26:[53, 12], Operations: ['78-25=53', '64-52=12'] Exploring Operation: 53+12=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 53-12=41, Resulting Numbers: [41] 41,26 unequal: No Solution Exploring Operation: 53*12=636, Resulting Numbers: [636] 636,26 unequal: No Solution Moving to Node #0,2,2 Current State: 26:[64, 1], Operations: ['78-52=26', '26-25=1'] Exploring Operation: 64+1=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 64/1=64, Resulting Numbers: [64] 64,26 unequal: No Solution Exploring Operation: 64*1=64, Resulting Numbers: [64] 64,26 unequal: No Solution Exploring Operation: 64-1=63, Resulting Numbers: [63] 63,26 unequal: No Solution Moving to Node #0,0,1 Current State: 26:[64, 1], Operations: ['78-25=53', '53-52=1'] Exploring Operation: 64-1=63, Resulting Numbers: [63] 63,26 unequal: No Solution Exploring Operation: 64/1=64, Resulting Numbers: [64] 64,26 unequal: No Solution Exploring Operation: 64+1=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 64*1=64, Resulting Numbers: [64] 64,26 unequal: No Solution Moving to Node #0,3,1 Current State: 26:[52, 39], Operations: ['78-64=14', '25+14=39'] Exploring Operation: 52-39=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 52*39=2028, Resulting Numbers: [2028] 2028,26 unequal: No Solution Exploring Operation: 52+39=91, Resulting Numbers: [91] 91,26 unequal: No Solution Moving to Node #0,2,0 Current State: 26:[26, 89], Operations: ['78-52=26', '64+25=89'] Exploring Operation: 26*89=2314, Resulting Numbers: [2314] 2314,26 unequal: No Solution Exploring Operation: 26+89=115, Resulting Numbers: [115] 115,26 unequal: No Solution Exploring Operation: 89-26=63, Resulting Numbers: [63] 63,26 unequal: No Solution Moving to Node #0,0,0 Current State: 26:[53, 116], Operations: ['78-25=53', '52+64=116'] Exploring Operation: 53+116=169, Resulting Numbers: [169] 169,26 unequal: No Solution Exploring Operation: 53*116=6148, Resulting Numbers: [6148] 6148,26 unequal: No Solution Exploring Operation: 116-53=63, Resulting Numbers: [63] 63,26 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 28, 66, 6, 51 ]
54
[ "28-6=22", "66/22=3", "51+3=54" ]
Current State: 54:[28, 66, 6, 51], Operations: [] Exploring Operation: 28-6=22, Resulting Numbers: [66, 51, 22] Generated Node #2: [66, 51, 22] from Operation: 28-6=22 Current State: 54:[66, 51, 22], Operations: ['28-6=22'] Exploring Operation: 66/22=3, Resulting Numbers: [51, 3] Generated Node #3: [51, 3] from Operation: 66/22=3 Current State: 54:[51, 3], Operations: ['28-6=22', '66/22=3'] Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[28, 66, 6, 51], Operations: [] Exploring Operation: 66-51=15, Resulting Numbers: [28, 6, 15] Generated Node #0,0: 54:[28, 6, 15] Operation: 66-51=15 Exploring Operation: 66-28=38, Resulting Numbers: [6, 51, 38] Generated Node #0,1: 54:[6, 51, 38] Operation: 66-28=38 Exploring Operation: 66/6=11, Resulting Numbers: [28, 51, 11] Generated Node #0,2: 54:[28, 51, 11] Operation: 66/6=11 Exploring Operation: 51-28=23, Resulting Numbers: [66, 6, 23] Generated Node #0,3: 54:[66, 6, 23] Operation: 51-28=23 Exploring Operation: 66-6=60, Resulting Numbers: [28, 51, 60] Generated Node #0,4: 54:[28, 51, 60] Operation: 66-6=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[28, 6, 15], Operations: ['66-51=15'] Exploring Operation: 28-15=13, Resulting Numbers: [6, 13] Generated Node #0,0,0: 54:[6, 13] Operation: 28-15=13 Exploring Operation: 15-6=9, Resulting Numbers: [28, 9] Generated Node #0,0,1: 54:[28, 9] Operation: 15-6=9 Exploring Operation: 6+15=21, Resulting Numbers: [28, 21] Generated Node #0,0,2: 54:[28, 21] Operation: 6+15=21 Exploring Operation: 28+6=34, Resulting Numbers: [15, 34] Generated Node #0,0,3: 54:[15, 34] Operation: 28+6=34 Exploring Operation: 28-6=22, Resulting Numbers: [15, 22] Generated Node #0,0,4: 54:[15, 22] Operation: 28-6=22 Moving to Node #0,0,1 Current State: 54:[28, 9], Operations: ['66-51=15', '15-6=9'] Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 28*9=252, Resulting Numbers: [252] 252,54 unequal: No Solution Exploring Operation: 28+9=37, Resulting Numbers: [37] 37,54 unequal: No Solution Moving to Node #0,0,2 Current State: 54:[28, 21], Operations: ['66-51=15', '6+15=21'] Exploring Operation: 28*21=588, Resulting Numbers: [588] 588,54 unequal: No Solution Exploring Operation: 28+21=49, Resulting Numbers: [49] 49,54 unequal: No Solution Exploring Operation: 28-21=7, Resulting Numbers: [7] 7,54 unequal: No Solution Moving to Node #0,0,0 Current State: 54:[6, 13], Operations: ['66-51=15', '28-15=13'] Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,54 unequal: No Solution Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,54 unequal: No Solution Moving to Node #0,0,4 Current State: 54:[15, 22], Operations: ['66-51=15', '28-6=22'] Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,54 unequal: No Solution Exploring Operation: 15*22=330, Resulting Numbers: [330] 330,54 unequal: No Solution Exploring Operation: 15+22=37, Resulting Numbers: [37] 37,54 unequal: No Solution Moving to Node #0,0,3 Current State: 54:[15, 34], Operations: ['66-51=15', '28+6=34'] Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 15+34=49, Resulting Numbers: [49] 49,54 unequal: No Solution Exploring Operation: 15*34=510, Resulting Numbers: [510] 510,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[28, 51, 11], Operations: ['66/6=11'] Exploring Operation: 51-28=23, Resulting Numbers: [11, 23] Generated Node #0,2,0: 54:[11, 23] Operation: 51-28=23 Exploring Operation: 28+11=39, Resulting Numbers: [51, 39] Generated Node #0,2,1: 54:[51, 39] Operation: 28+11=39 Exploring Operation: 51-11=40, Resulting Numbers: [28, 40] Generated Node #0,2,2: 54:[28, 40] Operation: 51-11=40 Exploring Operation: 51+11=62, Resulting Numbers: [28, 62] Generated Node #0,2,3: 54:[28, 62] Operation: 51+11=62 Exploring Operation: 28-11=17, Resulting Numbers: [51, 17] Generated Node #0,2,4: 54:[51, 17] Operation: 28-11=17 Moving to Node #0,2,4 Current State: 54:[51, 17], Operations: ['66/6=11', '28-11=17'] Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,54 unequal: No Solution Exploring Operation: 51*17=867, Resulting Numbers: [867] 867,54 unequal: No Solution Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,54 unequal: No Solution Exploring Operation: 51+17=68, Resulting Numbers: [68] 68,54 unequal: No Solution Moving to Node #0,2,0 Current State: 54:[11, 23], Operations: ['66/6=11', '51-28=23'] Exploring Operation: 11*23=253, Resulting Numbers: [253] 253,54 unequal: No Solution Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 11+23=34, Resulting Numbers: [34] 34,54 unequal: No Solution Moving to Node #0,2,3 Current State: 54:[28, 62], Operations: ['66/6=11', '51+11=62'] Exploring Operation: 28*62=1736, Resulting Numbers: [1736] 1736,54 unequal: No Solution Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,54 unequal: No Solution Exploring Operation: 28+62=90, Resulting Numbers: [90] 90,54 unequal: No Solution Moving to Node #0,2,2 Current State: 54:[28, 40], Operations: ['66/6=11', '51-11=40'] Exploring Operation: 28+40=68, Resulting Numbers: [68] 68,54 unequal: No Solution Exploring Operation: 28*40=1120, Resulting Numbers: [1120] 1120,54 unequal: No Solution Exploring Operation: 40-28=12, Resulting Numbers: [12] 12,54 unequal: No Solution Moving to Node #0,2,1 Current State: 54:[51, 39], Operations: ['66/6=11', '28+11=39'] Exploring Operation: 51*39=1989, Resulting Numbers: [1989] 1989,54 unequal: No Solution Exploring Operation: 51-39=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 51+39=90, Resulting Numbers: [90] 90,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 54:[28, 51, 60], Operations: ['66-6=60'] Exploring Operation: 28+60=88, Resulting Numbers: [51, 88] Generated Node #0,4,0: 54:[51, 88] Operation: 28+60=88 Exploring Operation: 60-28=32, Resulting Numbers: [51, 32] Generated Node #0,4,1: 54:[51, 32] Operation: 60-28=32 Exploring Operation: 60-51=9, Resulting Numbers: [28, 9] Generated Node #0,4,2: 54:[28, 9] Operation: 60-51=9 Exploring Operation: 28+51=79, Resulting Numbers: [60, 79] Generated Node #0,4,3: 54:[60, 79] Operation: 28+51=79 Exploring Operation: 51-28=23, Resulting Numbers: [60, 23] Generated Node #0,4,4: 54:[60, 23] Operation: 51-28=23 Moving to Node #0,4,2 Current State: 54:[28, 9], Operations: ['66-6=60', '60-51=9'] Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 28*9=252, Resulting Numbers: [252] 252,54 unequal: No Solution Exploring Operation: 28+9=37, Resulting Numbers: [37] 37,54 unequal: No Solution Moving to Node #0,4,1 Current State: 54:[51, 32], Operations: ['66-6=60', '60-28=32'] Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 51+32=83, Resulting Numbers: [83] 83,54 unequal: No Solution Exploring Operation: 51*32=1632, Resulting Numbers: [1632] 1632,54 unequal: No Solution Moving to Node #0,4,4 Current State: 54:[60, 23], Operations: ['66-6=60', '51-28=23'] Exploring Operation: 60+23=83, Resulting Numbers: [83] 83,54 unequal: No Solution Exploring Operation: 60*23=1380, Resulting Numbers: [1380] 1380,54 unequal: No Solution Exploring Operation: 60-23=37, Resulting Numbers: [37] 37,54 unequal: No Solution Moving to Node #0,4,3 Current State: 54:[60, 79], Operations: ['66-6=60', '28+51=79'] Exploring Operation: 60*79=4740, Resulting Numbers: [4740] 4740,54 unequal: No Solution Exploring Operation: 79-60=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 60+79=139, Resulting Numbers: [139] 139,54 unequal: No Solution Moving to Node #0,4,0 Current State: 54:[51, 88], Operations: ['66-6=60', '28+60=88'] Exploring Operation: 51*88=4488, Resulting Numbers: [4488] 4488,54 unequal: No Solution Exploring Operation: 51+88=139, Resulting Numbers: [139] 139,54 unequal: No Solution Exploring Operation: 88-51=37, Resulting Numbers: [37] 37,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[6, 51, 38], Operations: ['66-28=38'] Exploring Operation: 6+51=57, Resulting Numbers: [38, 57] Generated Node #0,1,0: 54:[38, 57] Operation: 6+51=57 Exploring Operation: 6+38=44, Resulting Numbers: [51, 44] Generated Node #0,1,1: 54:[51, 44] Operation: 6+38=44 Exploring Operation: 51-6=45, Resulting Numbers: [38, 45] Generated Node #0,1,2: 54:[38, 45] Operation: 51-6=45 Exploring Operation: 38-6=32, Resulting Numbers: [51, 32] Generated Node #0,1,3: 54:[51, 32] Operation: 38-6=32 Exploring Operation: 51-38=13, Resulting Numbers: [6, 13] Generated Node #0,1,4: 54:[6, 13] Operation: 51-38=13 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 54:[6, 13], Operations: ['66-28=38', '51-38=13'] Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,54 unequal: No Solution Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,54 unequal: No Solution Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 54:[51, 32], Operations: ['66-28=38', '38-6=32'] Exploring Operation: 51+32=83, Resulting Numbers: [83] 83,54 unequal: No Solution Exploring Operation: 51*32=1632, Resulting Numbers: [1632] 1632,54 unequal: No Solution Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 54:[51, 44], Operations: ['66-28=38', '6+38=44'] Exploring Operation: 51*44=2244, Resulting Numbers: [2244] 2244,54 unequal: No Solution Exploring Operation: 51+44=95, Resulting Numbers: [95] 95,54 unequal: No Solution Exploring Operation: 51-44=7, Resulting Numbers: [7] 7,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 54:[38, 57], Operations: ['66-28=38', '6+51=57'] Exploring Operation: 38*57=2166, Resulting Numbers: [2166] 2166,54 unequal: No Solution Exploring Operation: 38+57=95, Resulting Numbers: [95] 95,54 unequal: No Solution Exploring Operation: 57-38=19, Resulting Numbers: [19] 19,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 54:[38, 45], Operations: ['66-28=38', '51-6=45'] Exploring Operation: 38*45=1710, Resulting Numbers: [1710] 1710,54 unequal: No Solution Exploring Operation: 45-38=7, Resulting Numbers: [7] 7,54 unequal: No Solution Exploring Operation: 38+45=83, Resulting Numbers: [83] 83,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 54:[66, 6, 23], Operations: ['51-28=23'] Exploring Operation: 23-6=17, Resulting Numbers: [66, 17] Generated Node #0,3,0: 54:[66, 17] Operation: 23-6=17 Exploring Operation: 66/6=11, Resulting Numbers: [23, 11] Generated Node #0,3,1: 54:[23, 11] Operation: 66/6=11 Exploring Operation: 6+23=29, Resulting Numbers: [66, 29] Generated Node #0,3,2: 54:[66, 29] Operation: 6+23=29 Exploring Operation: 66-6=60, Resulting Numbers: [23, 60] Generated Node #0,3,3: 54:[23, 60] Operation: 66-6=60 Exploring Operation: 66-23=43, Resulting Numbers: [6, 43] Generated Node #0,3,4: 54:[6, 43] Operation: 66-23=43 Moving to Node #0,3,1 Current State: 54:[23, 11], Operations: ['51-28=23', '66/6=11'] Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 23+11=34, Resulting Numbers: [34] 34,54 unequal: No Solution Exploring Operation: 23*11=253, Resulting Numbers: [253] 253,54 unequal: No Solution Moving to Node #0,3,3 Current State: 54:[23, 60], Operations: ['51-28=23', '66-6=60'] Exploring Operation: 23*60=1380, Resulting Numbers: [1380] 1380,54 unequal: No Solution Exploring Operation: 23+60=83, Resulting Numbers: [83] 83,54 unequal: No Solution Exploring Operation: 60-23=37, Resulting Numbers: [37] 37,54 unequal: No Solution Moving to Node #0,3,4 Current State: 54:[6, 43], Operations: ['51-28=23', '66-23=43'] Exploring Operation: 6+43=49, Resulting Numbers: [49] 49,54 unequal: No Solution Exploring Operation: 6*43=258, Resulting Numbers: [258] 258,54 unequal: No Solution Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,54 unequal: No Solution Moving to Node #0,3,0 Current State: 54:[66, 17], Operations: ['51-28=23', '23-6=17'] Exploring Operation: 66-17=49, Resulting Numbers: [49] 49,54 unequal: No Solution Exploring Operation: 66+17=83, Resulting Numbers: [83] 83,54 unequal: No Solution Exploring Operation: 66*17=1122, Resulting Numbers: [1122] 1122,54 unequal: No Solution Moving to Node #0,3,2 Current State: 54:[66, 29], Operations: ['51-28=23', '6+23=29'] Exploring Operation: 66+29=95, Resulting Numbers: [95] 95,54 unequal: No Solution Exploring Operation: 66*29=1914, Resulting Numbers: [1914] 1914,54 unequal: No Solution Exploring Operation: 66-29=37, Resulting Numbers: [37] 37,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 64, 34, 68, 78 ]
25
[ "68/34=2", "78/2=39", "64-39=25" ]
Current State: 25:[64, 34, 68, 78], Operations: [] Exploring Operation: 68/34=2, Resulting Numbers: [64, 78, 2] Generated Node #2: [64, 78, 2] from Operation: 68/34=2 Current State: 25:[64, 78, 2], Operations: ['68/34=2'] Exploring Operation: 78/2=39, Resulting Numbers: [64, 39] Generated Node #3: [64, 39] from Operation: 78/2=39 Current State: 25:[64, 39], Operations: ['68/34=2', '78/2=39'] Exploring Operation: 64-39=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[64, 34, 68, 78], Operations: [] Exploring Operation: 68-64=4, Resulting Numbers: [34, 78, 4] Generated Node #0,0: 25:[34, 78, 4] Operation: 68-64=4 Exploring Operation: 78-64=14, Resulting Numbers: [34, 68, 14] Generated Node #0,1: 25:[34, 68, 14] Operation: 78-64=14 Exploring Operation: 64-34=30, Resulting Numbers: [68, 78, 30] Generated Node #0,2: 25:[68, 78, 30] Operation: 64-34=30 Exploring Operation: 78-68=10, Resulting Numbers: [64, 34, 10] Generated Node #0,3: 25:[64, 34, 10] Operation: 78-68=10 Exploring Operation: 68/34=2, Resulting Numbers: [64, 78, 2] Generated Node #0,4: 25:[64, 78, 2] Operation: 68/34=2 Start Sub Search at level 1: Moving to Node #0,3 Current State: 25:[64, 34, 10], Operations: ['78-68=10'] Exploring Operation: 34+10=44, Resulting Numbers: [64, 44] Generated Node #0,3,0: 25:[64, 44] Operation: 34+10=44 Exploring Operation: 64+10=74, Resulting Numbers: [34, 74] Generated Node #0,3,1: 25:[34, 74] Operation: 64+10=74 Exploring Operation: 64-10=54, Resulting Numbers: [34, 54] Generated Node #0,3,2: 25:[34, 54] Operation: 64-10=54 Exploring Operation: 34-10=24, Resulting Numbers: [64, 24] Generated Node #0,3,3: 25:[64, 24] Operation: 34-10=24 Exploring Operation: 64-34=30, Resulting Numbers: [10, 30] Generated Node #0,3,4: 25:[10, 30] Operation: 64-34=30 Moving to Node #0,3,4 Current State: 25:[10, 30], Operations: ['78-68=10', '64-34=30'] Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,25 unequal: No Solution Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 10+30=40, Resulting Numbers: [40] 40,25 unequal: No Solution Exploring Operation: 10*30=300, Resulting Numbers: [300] 300,25 unequal: No Solution Moving to Node #0,3,2 Current State: 25:[34, 54], Operations: ['78-68=10', '64-10=54'] Exploring Operation: 34+54=88, Resulting Numbers: [88] 88,25 unequal: No Solution Exploring Operation: 34*54=1836, Resulting Numbers: [1836] 1836,25 unequal: No Solution Exploring Operation: 54-34=20, Resulting Numbers: [20] 20,25 unequal: No Solution Moving to Node #0,3,3 Current State: 25:[64, 24], Operations: ['78-68=10', '34-10=24'] Exploring Operation: 64-24=40, Resulting Numbers: [40] 40,25 unequal: No Solution Exploring Operation: 64+24=88, Resulting Numbers: [88] 88,25 unequal: No Solution Exploring Operation: 64*24=1536, Resulting Numbers: [1536] 1536,25 unequal: No Solution Moving to Node #0,3,0 Current State: 25:[64, 44], Operations: ['78-68=10', '34+10=44'] Exploring Operation: 64-44=20, Resulting Numbers: [20] 20,25 unequal: No Solution Exploring Operation: 64*44=2816, Resulting Numbers: [2816] 2816,25 unequal: No Solution Exploring Operation: 64+44=108, Resulting Numbers: [108] 108,25 unequal: No Solution Moving to Node #0,3,1 Current State: 25:[34, 74], Operations: ['78-68=10', '64+10=74'] Exploring Operation: 74-34=40, Resulting Numbers: [40] 40,25 unequal: No Solution Exploring Operation: 34*74=2516, Resulting Numbers: [2516] 2516,25 unequal: No Solution Exploring Operation: 34+74=108, Resulting Numbers: [108] 108,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[34, 68, 14], Operations: ['78-64=14'] Exploring Operation: 68-34=34, Resulting Numbers: [14, 34] Generated Node #0,1,0: 25:[14, 34] Operation: 68-34=34 Exploring Operation: 34+14=48, Resulting Numbers: [68, 48] Generated Node #0,1,1: 25:[68, 48] Operation: 34+14=48 Exploring Operation: 68/34=2, Resulting Numbers: [14, 2] Generated Node #0,1,2: 25:[14, 2] Operation: 68/34=2 Exploring Operation: 34-14=20, Resulting Numbers: [68, 20] Generated Node #0,1,3: 25:[68, 20] Operation: 34-14=20 Exploring Operation: 68-14=54, Resulting Numbers: [34, 54] Generated Node #0,1,4: 25:[34, 54] Operation: 68-14=54 Moving to Node #0,1,2 Current State: 25:[14, 2], Operations: ['78-64=14', '68/34=2'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,25 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,25 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[14, 34], Operations: ['78-64=14', '68-34=34'] Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,25 unequal: No Solution Exploring Operation: 14*34=476, Resulting Numbers: [476] 476,25 unequal: No Solution Exploring Operation: 14+34=48, Resulting Numbers: [48] 48,25 unequal: No Solution Moving to Node #0,1,4 Current State: 25:[34, 54], Operations: ['78-64=14', '68-14=54'] Exploring Operation: 34*54=1836, Resulting Numbers: [1836] 1836,25 unequal: No Solution Exploring Operation: 34+54=88, Resulting Numbers: [88] 88,25 unequal: No Solution Exploring Operation: 54-34=20, Resulting Numbers: [20] 20,25 unequal: No Solution Moving to Node #0,1,3 Current State: 25:[68, 20], Operations: ['78-64=14', '34-14=20'] Exploring Operation: 68*20=1360, Resulting Numbers: [1360] 1360,25 unequal: No Solution Exploring Operation: 68-20=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 68+20=88, Resulting Numbers: [88] 88,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[68, 48], Operations: ['78-64=14', '34+14=48'] Exploring Operation: 68*48=3264, Resulting Numbers: [3264] 3264,25 unequal: No Solution Exploring Operation: 68-48=20, Resulting Numbers: [20] 20,25 unequal: No Solution Exploring Operation: 68+48=116, Resulting Numbers: [116] 116,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[34, 78, 4], Operations: ['68-64=4'] Exploring Operation: 34+4=38, Resulting Numbers: [78, 38] Generated Node #0,0,0: 25:[78, 38] Operation: 34+4=38 Exploring Operation: 34-4=30, Resulting Numbers: [78, 30] Generated Node #0,0,1: 25:[78, 30] Operation: 34-4=30 Exploring Operation: 78-34=44, Resulting Numbers: [4, 44] Generated Node #0,0,2: 25:[4, 44] Operation: 78-34=44 Exploring Operation: 78+4=82, Resulting Numbers: [34, 82] Generated Node #0,0,3: 25:[34, 82] Operation: 78+4=82 Exploring Operation: 78-4=74, Resulting Numbers: [34, 74] Generated Node #0,0,4: 25:[34, 74] Operation: 78-4=74 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 25:[4, 44], Operations: ['68-64=4', '78-34=44'] Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,25 unequal: No Solution Exploring Operation: 4+44=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 4*44=176, Resulting Numbers: [176] 176,25 unequal: No Solution Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 25:[78, 30], Operations: ['68-64=4', '34-4=30'] Exploring Operation: 78*30=2340, Resulting Numbers: [2340] 2340,25 unequal: No Solution Exploring Operation: 78+30=108, Resulting Numbers: [108] 108,25 unequal: No Solution Exploring Operation: 78-30=48, Resulting Numbers: [48] 48,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 25:[34, 74], Operations: ['68-64=4', '78-4=74'] Exploring Operation: 34*74=2516, Resulting Numbers: [2516] 2516,25 unequal: No Solution Exploring Operation: 34+74=108, Resulting Numbers: [108] 108,25 unequal: No Solution Exploring Operation: 74-34=40, Resulting Numbers: [40] 40,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[78, 38], Operations: ['68-64=4', '34+4=38'] Exploring Operation: 78*38=2964, Resulting Numbers: [2964] 2964,25 unequal: No Solution Exploring Operation: 78-38=40, Resulting Numbers: [40] 40,25 unequal: No Solution Exploring Operation: 78+38=116, Resulting Numbers: [116] 116,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 25:[34, 82], Operations: ['68-64=4', '78+4=82'] Exploring Operation: 34*82=2788, Resulting Numbers: [2788] 2788,25 unequal: No Solution Exploring Operation: 82-34=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 34+82=116, Resulting Numbers: [116] 116,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 25:[64, 78, 2], Operations: ['68/34=2'] Exploring Operation: 64/2=32, Resulting Numbers: [78, 32] Generated Node #0,4,0: 25:[78, 32] Operation: 64/2=32 Exploring Operation: 64-2=62, Resulting Numbers: [78, 62] Generated Node #0,4,1: 25:[78, 62] Operation: 64-2=62 Exploring Operation: 78-64=14, Resulting Numbers: [2, 14] Generated Node #0,4,2: 25:[2, 14] Operation: 78-64=14 Exploring Operation: 78-2=76, Resulting Numbers: [64, 76] Generated Node #0,4,3: 25:[64, 76] Operation: 78-2=76 Exploring Operation: 78/2=39, Resulting Numbers: [64, 39] Generated Node #0,4,4: 25:[64, 39] Operation: 78/2=39 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 25:[2, 14], Operations: ['68/34=2', '78-64=14'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,25 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,25 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 25:[64, 39], Operations: ['68/34=2', '78/2=39'] Exploring Operation: 64+39=103, Resulting Numbers: [103] 103,25 unequal: No Solution Exploring Operation: 64-39=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[64, 34, 68, 78], Operations: [] Exploring Operation: 68/34=2, Resulting Numbers: [64, 78, 2] Generated Node #0,4: 25:[64, 78, 2] Operation: 68/34=2 Moving to Node #0,4 Current State: 25:[64, 78, 2], Operations: ['68/34=2'] Exploring Operation: 78/2=39, Resulting Numbers: [64, 39] Generated Node #0,4,4: 25:[64, 39] Operation: 78/2=39 Moving to Node #0,4,4 Current State: 25:[64, 39], Operations: ['68/34=2', '78/2=39'] Exploring Operation: 64-39=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.927951
hs_5
mult_heuristic
[ 30, 78, 6, 79 ]
36
[ "30+6=36", "79-78=1", "36*1=36" ]
Current State: 36:[30, 78, 6, 79], Operations: [] Exploring Operation: 30+6=36, Resulting Numbers: [78, 79, 36] Generated Node #2: [78, 79, 36] from Operation: 30+6=36 Current State: 36:[78, 79, 36], Operations: ['30+6=36'] Exploring Operation: 79-78=1, Resulting Numbers: [36, 1] Generated Node #3: [36, 1] from Operation: 79-78=1 Current State: 36:[36, 1], Operations: ['30+6=36', '79-78=1'] Exploring Operation: 36*1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[30, 78, 6, 79], Operations: [] Exploring Operation: 78-30=48, Resulting Numbers: [6, 79, 48] Generated Node #0,0: 36:[6, 79, 48] Operation: 78-30=48 Exploring Operation: 79-30=49, Resulting Numbers: [78, 6, 49] Generated Node #0,1: 36:[78, 6, 49] Operation: 79-30=49 Exploring Operation: 79-78=1, Resulting Numbers: [30, 6, 1] Generated Node #0,2: 36:[30, 6, 1] Operation: 79-78=1 Exploring Operation: 78/6=13, Resulting Numbers: [30, 79, 13] Generated Node #0,3: 36:[30, 79, 13] Operation: 78/6=13 Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[30, 6, 1], Operations: ['79-78=1'] Exploring Operation: 30+1=31, Resulting Numbers: [6, 31] Generated Node #0,2,0: 36:[6, 31] Operation: 30+1=31 Exploring Operation: 30*1=30, Resulting Numbers: [6, 30] Generated Node #0,2,1: 36:[6, 30] Operation: 30*1=30 Exploring Operation: 30/6=5, Resulting Numbers: [1, 5] Generated Node #0,2,2: 36:[1, 5] Operation: 30/6=5 Exploring Operation: 30+6=36, Resulting Numbers: [1, 36] Generated Node #0,2,3: 36:[1, 36] Operation: 30+6=36 Moving to Node #0,2,3 Current State: 36:[1, 36], Operations: ['79-78=1', '30+6=36'] Exploring Operation: 1+36=37, Resulting Numbers: [37] 37,36 unequal: No Solution Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[30, 78, 6, 79], Operations: [] Exploring Operation: 79-78=1, Resulting Numbers: [30, 6, 1] Generated Node #0,2: 36:[30, 6, 1] Operation: 79-78=1 Moving to Node #0,2 Current State: 36:[30, 6, 1], Operations: ['79-78=1'] Exploring Operation: 30+6=36, Resulting Numbers: [1, 36] Generated Node #0,2,3: 36:[1, 36] Operation: 30+6=36 Moving to Node #0,2,3 Current State: 36:[1, 36], Operations: ['79-78=1', '30+6=36'] Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 52, 16, 10, 98 ]
52
[ "52-16=36", "98-10=88", "88-36=52" ]
Current State: 52:[52, 16, 10, 98], Operations: [] Exploring Operation: 52-16=36, Resulting Numbers: [10, 98, 36] Generated Node #2: [10, 98, 36] from Operation: 52-16=36 Current State: 52:[10, 98, 36], Operations: ['52-16=36'] Exploring Operation: 98-10=88, Resulting Numbers: [36, 88] Generated Node #3: [36, 88] from Operation: 98-10=88 Current State: 52:[36, 88], Operations: ['52-16=36', '98-10=88'] Exploring Operation: 88-36=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[52, 16, 10, 98], Operations: [] Exploring Operation: 98-16=82, Resulting Numbers: [52, 10, 82] Generated Node #0,0: 52:[52, 10, 82] Operation: 98-16=82 Exploring Operation: 16+10=26, Resulting Numbers: [52, 98, 26] Generated Node #0,1: 52:[52, 98, 26] Operation: 16+10=26 Exploring Operation: 98-10=88, Resulting Numbers: [52, 16, 88] Generated Node #0,2: 52:[52, 16, 88] Operation: 98-10=88 Exploring Operation: 98-52=46, Resulting Numbers: [16, 10, 46] Generated Node #0,3: 52:[16, 10, 46] Operation: 98-52=46 Moving to Node #0,3 Current State: 52:[16, 10, 46], Operations: ['98-52=46'] Exploring Operation: 16+10=26, Resulting Numbers: [46, 26] Generated Node #0,3,0: 52:[46, 26] Operation: 16+10=26 Exploring Operation: 46-16=30, Resulting Numbers: [10, 30] Generated Node #0,3,1: 52:[10, 30] Operation: 46-16=30 Exploring Operation: 10+46=56, Resulting Numbers: [16, 56] Generated Node #0,3,2: 52:[16, 56] Operation: 10+46=56 Exploring Operation: 16-10=6, Resulting Numbers: [46, 6] Generated Node #0,3,3: 52:[46, 6] Operation: 16-10=6 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 52:[46, 26], Operations: ['98-52=46', '16+10=26'] Exploring Operation: 46-26=20, Resulting Numbers: [20] 20,52 unequal: No Solution Exploring Operation: 46*26=1196, Resulting Numbers: [1196] 1196,52 unequal: No Solution Exploring Operation: 46+26=72, Resulting Numbers: [72] 72,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 52:[10, 30], Operations: ['98-52=46', '46-16=30'] Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 10*30=300, Resulting Numbers: [300] 300,52 unequal: No Solution Exploring Operation: 10+30=40, Resulting Numbers: [40] 40,52 unequal: No Solution Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 52:[16, 56], Operations: ['98-52=46', '10+46=56'] Exploring Operation: 16*56=896, Resulting Numbers: [896] 896,52 unequal: No Solution Exploring Operation: 56-16=40, Resulting Numbers: [40] 40,52 unequal: No Solution Exploring Operation: 16+56=72, Resulting Numbers: [72] 72,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 52:[46, 6], Operations: ['98-52=46', '16-10=6'] Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,52 unequal: No Solution Exploring Operation: 46*6=276, Resulting Numbers: [276] 276,52 unequal: No Solution Exploring Operation: 46+6=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[52, 16, 10, 98], Operations: [] Exploring Operation: 98-52=46, Resulting Numbers: [16, 10, 46] Generated Node #0,3: 52:[16, 10, 46] Operation: 98-52=46 Moving to Node #0,3 Current State: 52:[16, 10, 46], Operations: ['98-52=46'] Exploring Operation: 16-10=6, Resulting Numbers: [46, 6] Generated Node #0,3,3: 52:[46, 6] Operation: 16-10=6 Moving to Node #0,3,3 Current State: 52:[46, 6], Operations: ['98-52=46', '16-10=6'] Exploring Operation: 46+6=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_4
mult_heuristic
[ 91, 7, 2, 4 ]
18
[ "91/7=13", "13-4=9", "2*9=18" ]
Current State: 18:[91, 7, 2, 4], Operations: [] Exploring Operation: 91/7=13, Resulting Numbers: [2, 4, 13] Generated Node #2: [2, 4, 13] from Operation: 91/7=13 Current State: 18:[2, 4, 13], Operations: ['91/7=13'] Exploring Operation: 13-4=9, Resulting Numbers: [2, 9] Generated Node #3: [2, 9] from Operation: 13-4=9 Current State: 18:[2, 9], Operations: ['91/7=13', '13-4=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[91, 7, 2, 4], Operations: [] Exploring Operation: 91/7=13, Resulting Numbers: [2, 4, 13] Generated Node #0,0: 18:[2, 4, 13] Operation: 91/7=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[2, 4, 13], Operations: ['91/7=13'] Exploring Operation: 13-4=9, Resulting Numbers: [2, 9] Generated Node #0,0,0: 18:[2, 9] Operation: 13-4=9 Moving to Node #0,0,0 Current State: 18:[2, 9], Operations: ['91/7=13', '13-4=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[91, 7, 2, 4], Operations: [] Exploring Operation: 91/7=13, Resulting Numbers: [2, 4, 13] Generated Node #0,0: 18:[2, 4, 13] Operation: 91/7=13 Moving to Node #0,0 Current State: 18:[2, 4, 13], Operations: ['91/7=13'] Exploring Operation: 13-4=9, Resulting Numbers: [2, 9] Generated Node #0,0,0: 18:[2, 9] Operation: 13-4=9 Moving to Node #0,0,0 Current State: 18:[2, 9], Operations: ['91/7=13', '13-4=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 89, 16, 13, 2 ]
95
[ "16-13=3", "2*3=6", "89+6=95" ]
Current State: 95:[89, 16, 13, 2], Operations: [] Exploring Operation: 16-13=3, Resulting Numbers: [89, 2, 3] Generated Node #2: [89, 2, 3] from Operation: 16-13=3 Current State: 95:[89, 2, 3], Operations: ['16-13=3'] Exploring Operation: 2*3=6, Resulting Numbers: [89, 6] Generated Node #3: [89, 6] from Operation: 2*3=6 Current State: 95:[89, 6], Operations: ['16-13=3', '2*3=6'] Exploring Operation: 89+6=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[89, 16, 13, 2], Operations: [] Exploring Operation: 89+2=91, Resulting Numbers: [16, 13, 91] Generated Node #0,0: 95:[16, 13, 91] Operation: 89+2=91 Exploring Operation: 16-13=3, Resulting Numbers: [89, 2, 3] Generated Node #0,1: 95:[89, 2, 3] Operation: 16-13=3 Exploring Operation: 89+13=102, Resulting Numbers: [16, 2, 102] Generated Node #0,2: 95:[16, 2, 102] Operation: 89+13=102 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[89, 2, 3], Operations: ['16-13=3'] Exploring Operation: 2+3=5, Resulting Numbers: [89, 5] Generated Node #0,1,0: 95:[89, 5] Operation: 2+3=5 Exploring Operation: 89+3=92, Resulting Numbers: [2, 92] Generated Node #0,1,1: 95:[2, 92] Operation: 89+3=92 Exploring Operation: 89+2=91, Resulting Numbers: [3, 91] Generated Node #0,1,2: 95:[3, 91] Operation: 89+2=91 Moving to Node #0,1,0 Current State: 95:[89, 5], Operations: ['16-13=3', '2+3=5'] Exploring Operation: 89*5=445, Resulting Numbers: [445] 445,95 unequal: No Solution Exploring Operation: 89-5=84, Resulting Numbers: [84] 84,95 unequal: No Solution Exploring Operation: 89+5=94, Resulting Numbers: [94] 94,95 unequal: No Solution Moving to Node #0,1,1 Current State: 95:[2, 92], Operations: ['16-13=3', '89+3=92'] Exploring Operation: 92-2=90, Resulting Numbers: [90] 90,95 unequal: No Solution Exploring Operation: 92/2=46, Resulting Numbers: [46] 46,95 unequal: No Solution Exploring Operation: 2+92=94, Resulting Numbers: [94] 94,95 unequal: No Solution Moving to Node #0,1,2 Current State: 95:[3, 91], Operations: ['16-13=3', '89+2=91'] Exploring Operation: 3*91=273, Resulting Numbers: [273] 273,95 unequal: No Solution Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,95 unequal: No Solution Exploring Operation: 3+91=94, Resulting Numbers: [94] 94,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[16, 13, 91], Operations: ['89+2=91'] Exploring Operation: 16-13=3, Resulting Numbers: [91, 3] Generated Node #0,0,0: 95:[91, 3] Operation: 16-13=3 Exploring Operation: 91/13=7, Resulting Numbers: [16, 7] Generated Node #0,0,1: 95:[16, 7] Operation: 91/13=7 Exploring Operation: 13+91=104, Resulting Numbers: [16, 104] Generated Node #0,0,2: 95:[16, 104] Operation: 13+91=104 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 95:[16, 7], Operations: ['89+2=91', '91/13=7'] Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,95 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,95 unequal: No Solution Exploring Operation: 16*7=112, Resulting Numbers: [112] 112,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[91, 3], Operations: ['89+2=91', '16-13=3'] Exploring Operation: 91*3=273, Resulting Numbers: [273] 273,95 unequal: No Solution Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,95 unequal: No Solution Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 95:[16, 104], Operations: ['89+2=91', '13+91=104'] Exploring Operation: 104-16=88, Resulting Numbers: [88] 88,95 unequal: No Solution Exploring Operation: 16*104=1664, Resulting Numbers: [1664] 1664,95 unequal: No Solution Exploring Operation: 16+104=120, Resulting Numbers: [120] 120,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 95:[16, 2, 102], Operations: ['89+13=102'] Exploring Operation: 16/2=8, Resulting Numbers: [102, 8] Generated Node #0,2,0: 95:[102, 8] Operation: 16/2=8 Exploring Operation: 16+2=18, Resulting Numbers: [102, 18] Generated Node #0,2,1: 95:[102, 18] Operation: 16+2=18 Exploring Operation: 102-2=100, Resulting Numbers: [16, 100] Generated Node #0,2,2: 95:[16, 100] Operation: 102-2=100 Moving to Node #0,2,1 Current State: 95:[102, 18], Operations: ['89+13=102', '16+2=18'] Exploring Operation: 102+18=120, Resulting Numbers: [120] 120,95 unequal: No Solution Exploring Operation: 102*18=1836, Resulting Numbers: [1836] 1836,95 unequal: No Solution Exploring Operation: 102-18=84, Resulting Numbers: [84] 84,95 unequal: No Solution Moving to Node #0,2,2 Current State: 95:[16, 100], Operations: ['89+13=102', '102-2=100'] Exploring Operation: 100-16=84, Resulting Numbers: [84] 84,95 unequal: No Solution Exploring Operation: 16*100=1600, Resulting Numbers: [1600] 1600,95 unequal: No Solution Exploring Operation: 16+100=116, Resulting Numbers: [116] 116,95 unequal: No Solution Moving to Node #0,2,0 Current State: 95:[102, 8], Operations: ['89+13=102', '16/2=8'] Exploring Operation: 102*8=816, Resulting Numbers: [816] 816,95 unequal: No Solution Exploring Operation: 102+8=110, Resulting Numbers: [110] 110,95 unequal: No Solution Exploring Operation: 102-8=94, Resulting Numbers: [94] 94,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 3, 32, 15, 2 ]
29
[ "3*15=45", "32/2=16", "45-16=29" ]
Current State: 29:[3, 32, 15, 2], Operations: [] Exploring Operation: 3*15=45, Resulting Numbers: [32, 2, 45] Generated Node #2: [32, 2, 45] from Operation: 3*15=45 Current State: 29:[32, 2, 45], Operations: ['3*15=45'] Exploring Operation: 32/2=16, Resulting Numbers: [45, 16] Generated Node #3: [45, 16] from Operation: 32/2=16 Current State: 29:[45, 16], Operations: ['3*15=45', '32/2=16'] Exploring Operation: 45-16=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[3, 32, 15, 2], Operations: [] Exploring Operation: 15*2=30, Resulting Numbers: [3, 32, 30] Generated Node #0,0: 29:[3, 32, 30] Operation: 15*2=30 Exploring Operation: 3*2=6, Resulting Numbers: [32, 15, 6] Generated Node #0,1: 29:[32, 15, 6] Operation: 3*2=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[3, 32, 30], Operations: ['15*2=30'] Exploring Operation: 30-3=27, Resulting Numbers: [32, 27] Generated Node #0,0,0: 29:[32, 27] Operation: 30-3=27 Exploring Operation: 32-3=29, Resulting Numbers: [30, 29] Generated Node #0,0,1: 29:[30, 29] Operation: 32-3=29 Moving to Node #0,0,1 Current State: 29:[30, 29], Operations: ['15*2=30', '32-3=29'] Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 30+29=59, Resulting Numbers: [59] 59,29 unequal: No Solution Moving to Node #0,0,0 Current State: 29:[32, 27], Operations: ['15*2=30', '30-3=27'] Exploring Operation: 32-27=5, Resulting Numbers: [5] 5,29 unequal: No Solution Exploring Operation: 32+27=59, Resulting Numbers: [59] 59,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[32, 15, 6], Operations: ['3*2=6'] Exploring Operation: 32-6=26, Resulting Numbers: [15, 26] Generated Node #0,1,0: 29:[15, 26] Operation: 32-6=26 Exploring Operation: 15+6=21, Resulting Numbers: [32, 21] Generated Node #0,1,1: 29:[32, 21] Operation: 15+6=21 Moving to Node #0,1,1 Current State: 29:[32, 21], Operations: ['3*2=6', '15+6=21'] Exploring Operation: 32-21=11, Resulting Numbers: [11] 11,29 unequal: No Solution Exploring Operation: 32+21=53, Resulting Numbers: [53] 53,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[15, 26], Operations: ['3*2=6', '32-6=26'] Exploring Operation: 15+26=41, Resulting Numbers: [41] 41,29 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 64, 34, 53, 11 ]
12
[ "64-34=30", "53-11=42", "42-30=12" ]
Current State: 12:[64, 34, 53, 11], Operations: [] Exploring Operation: 64-34=30, Resulting Numbers: [53, 11, 30] Generated Node #2: [53, 11, 30] from Operation: 64-34=30 Current State: 12:[53, 11, 30], Operations: ['64-34=30'] Exploring Operation: 53-11=42, Resulting Numbers: [30, 42] Generated Node #3: [30, 42] from Operation: 53-11=42 Current State: 12:[30, 42], Operations: ['64-34=30', '53-11=42'] Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[64, 34, 53, 11], Operations: [] Exploring Operation: 64-53=11, Resulting Numbers: [34, 11, 11] Generated Node #0,0: 12:[34, 11, 11] Operation: 64-53=11 Moving to Node #0,0 Current State: 12:[34, 11, 11], Operations: ['64-53=11'] Exploring Operation: 34-11=23, Resulting Numbers: [11, 23] Generated Node #0,0,0: 12:[11, 23] Operation: 34-11=23 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[11, 23], Operations: ['64-53=11', '34-11=23'] Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[64, 34, 53, 11], Operations: [] Exploring Operation: 64-53=11, Resulting Numbers: [34, 11, 11] Generated Node #0,0: 12:[34, 11, 11] Operation: 64-53=11 Moving to Node #0,0 Current State: 12:[34, 11, 11], Operations: ['64-53=11'] Exploring Operation: 34-11=23, Resulting Numbers: [11, 23] Generated Node #0,0,0: 12:[11, 23] Operation: 34-11=23 Moving to Node #0,0,0 Current State: 12:[11, 23], Operations: ['64-53=11', '34-11=23'] Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 56, 77, 5, 48 ]
61
[ "77*48=3696", "3696/56=66", "66-5=61" ]
Current State: 61:[56, 77, 5, 48], Operations: [] Exploring Operation: 77*48=3696, Resulting Numbers: [56, 5, 3696] Generated Node #2: [56, 5, 3696] from Operation: 77*48=3696 Current State: 61:[56, 5, 3696], Operations: ['77*48=3696'] Exploring Operation: 3696/56=66, Resulting Numbers: [5, 66] Generated Node #3: [5, 66] from Operation: 3696/56=66 Current State: 61:[5, 66], Operations: ['77*48=3696', '3696/56=66'] Exploring Operation: 66-5=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[56, 77, 5, 48], Operations: [] Exploring Operation: 56-5=51, Resulting Numbers: [77, 48, 51] Generated Node #0,0: 61:[77, 48, 51] Operation: 56-5=51 Exploring Operation: 77-5=72, Resulting Numbers: [56, 48, 72] Generated Node #0,1: 61:[56, 48, 72] Operation: 77-5=72 Exploring Operation: 77+5=82, Resulting Numbers: [56, 48, 82] Generated Node #0,2: 61:[56, 48, 82] Operation: 77+5=82 Exploring Operation: 5+48=53, Resulting Numbers: [56, 77, 53] Generated Node #0,3: 61:[56, 77, 53] Operation: 5+48=53 Exploring Operation: 56+5=61, Resulting Numbers: [77, 48, 61] Generated Node #0,4: 61:[77, 48, 61] Operation: 56+5=61 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[56, 48, 72], Operations: ['77-5=72'] Exploring Operation: 56+48=104, Resulting Numbers: [72, 104] Generated Node #0,1,0: 61:[72, 104] Operation: 56+48=104 Exploring Operation: 72-56=16, Resulting Numbers: [48, 16] Generated Node #0,1,1: 61:[48, 16] Operation: 72-56=16 Exploring Operation: 48+72=120, Resulting Numbers: [56, 120] Generated Node #0,1,2: 61:[56, 120] Operation: 48+72=120 Exploring Operation: 56-48=8, Resulting Numbers: [72, 8] Generated Node #0,1,3: 61:[72, 8] Operation: 56-48=8 Exploring Operation: 72-48=24, Resulting Numbers: [56, 24] Generated Node #0,1,4: 61:[56, 24] Operation: 72-48=24 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 61:[56, 24], Operations: ['77-5=72', '72-48=24'] Exploring Operation: 56*24=1344, Resulting Numbers: [1344] 1344,61 unequal: No Solution Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,61 unequal: No Solution Exploring Operation: 56+24=80, Resulting Numbers: [80] 80,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 61:[72, 104], Operations: ['77-5=72', '56+48=104'] Exploring Operation: 104-72=32, Resulting Numbers: [32] 32,61 unequal: No Solution Exploring Operation: 72*104=7488, Resulting Numbers: [7488] 7488,61 unequal: No Solution Exploring Operation: 72+104=176, Resulting Numbers: [176] 176,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 61:[48, 16], Operations: ['77-5=72', '72-56=16'] Exploring Operation: 48+16=64, Resulting Numbers: [64] 64,61 unequal: No Solution Exploring Operation: 48/16=3, Resulting Numbers: [3] 3,61 unequal: No Solution Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,61 unequal: No Solution Exploring Operation: 48*16=768, Resulting Numbers: [768] 768,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 61:[56, 120], Operations: ['77-5=72', '48+72=120'] Exploring Operation: 56*120=6720, Resulting Numbers: [6720] 6720,61 unequal: No Solution Exploring Operation: 120-56=64, Resulting Numbers: [64] 64,61 unequal: No Solution Exploring Operation: 56+120=176, Resulting Numbers: [176] 176,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 61:[72, 8], Operations: ['77-5=72', '56-48=8'] Exploring Operation: 72-8=64, Resulting Numbers: [64] 64,61 unequal: No Solution Exploring Operation: 72+8=80, Resulting Numbers: [80] 80,61 unequal: No Solution Exploring Operation: 72*8=576, Resulting Numbers: [576] 576,61 unequal: No Solution Exploring Operation: 72/8=9, Resulting Numbers: [9] 9,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 61:[56, 77, 53], Operations: ['5+48=53'] Exploring Operation: 77-56=21, Resulting Numbers: [53, 21] Generated Node #0,3,0: 61:[53, 21] Operation: 77-56=21 Exploring Operation: 56-53=3, Resulting Numbers: [77, 3] Generated Node #0,3,1: 61:[77, 3] Operation: 56-53=3 Exploring Operation: 77-53=24, Resulting Numbers: [56, 24] Generated Node #0,3,2: 61:[56, 24] Operation: 77-53=24 Exploring Operation: 77+53=130, Resulting Numbers: [56, 130] Generated Node #0,3,3: 61:[56, 130] Operation: 77+53=130 Exploring Operation: 56+53=109, Resulting Numbers: [77, 109] Generated Node #0,3,4: 61:[77, 109] Operation: 56+53=109 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 61:[56, 24], Operations: ['5+48=53', '77-53=24'] Exploring Operation: 56*24=1344, Resulting Numbers: [1344] 1344,61 unequal: No Solution Exploring Operation: 56+24=80, Resulting Numbers: [80] 80,61 unequal: No Solution Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 61:[53, 21], Operations: ['5+48=53', '77-56=21'] Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,61 unequal: No Solution Exploring Operation: 53+21=74, Resulting Numbers: [74] 74,61 unequal: No Solution Exploring Operation: 53*21=1113, Resulting Numbers: [1113] 1113,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 61:[77, 109], Operations: ['5+48=53', '56+53=109'] Exploring Operation: 109-77=32, Resulting Numbers: [32] 32,61 unequal: No Solution Exploring Operation: 77*109=8393, Resulting Numbers: [8393] 8393,61 unequal: No Solution Exploring Operation: 77+109=186, Resulting Numbers: [186] 186,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 61:[77, 3], Operations: ['5+48=53', '56-53=3'] Exploring Operation: 77+3=80, Resulting Numbers: [80] 80,61 unequal: No Solution Exploring Operation: 77*3=231, Resulting Numbers: [231] 231,61 unequal: No Solution Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 61:[56, 130], Operations: ['5+48=53', '77+53=130'] Exploring Operation: 56+130=186, Resulting Numbers: [186] 186,61 unequal: No Solution Exploring Operation: 56*130=7280, Resulting Numbers: [7280] 7280,61 unequal: No Solution Exploring Operation: 130-56=74, Resulting Numbers: [74] 74,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 61:[77, 48, 61], Operations: ['56+5=61'] Exploring Operation: 48+61=109, Resulting Numbers: [77, 109] Generated Node #0,4,0: 61:[77, 109] Operation: 48+61=109 Exploring Operation: 61-48=13, Resulting Numbers: [77, 13] Generated Node #0,4,1: 61:[77, 13] Operation: 61-48=13 Exploring Operation: 77-61=16, Resulting Numbers: [48, 16] Generated Node #0,4,2: 61:[48, 16] Operation: 77-61=16 Exploring Operation: 77-48=29, Resulting Numbers: [61, 29] Generated Node #0,4,3: 61:[61, 29] Operation: 77-48=29 Exploring Operation: 77+48=125, Resulting Numbers: [61, 125] Generated Node #0,4,4: 61:[61, 125] Operation: 77+48=125 Moving to Node #0,4,3 Current State: 61:[61, 29], Operations: ['56+5=61', '77-48=29'] Exploring Operation: 61-29=32, Resulting Numbers: [32] 32,61 unequal: No Solution Exploring Operation: 61+29=90, Resulting Numbers: [90] 90,61 unequal: No Solution Exploring Operation: 61*29=1769, Resulting Numbers: [1769] 1769,61 unequal: No Solution Moving to Node #0,4,2 Current State: 61:[48, 16], Operations: ['56+5=61', '77-61=16'] Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,61 unequal: No Solution Exploring Operation: 48+16=64, Resulting Numbers: [64] 64,61 unequal: No Solution Exploring Operation: 48*16=768, Resulting Numbers: [768] 768,61 unequal: No Solution Exploring Operation: 48/16=3, Resulting Numbers: [3] 3,61 unequal: No Solution Moving to Node #0,4,0 Current State: 61:[77, 109], Operations: ['56+5=61', '48+61=109'] Exploring Operation: 77+109=186, Resulting Numbers: [186] 186,61 unequal: No Solution Exploring Operation: 77*109=8393, Resulting Numbers: [8393] 8393,61 unequal: No Solution Exploring Operation: 109-77=32, Resulting Numbers: [32] 32,61 unequal: No Solution Moving to Node #0,4,1 Current State: 61:[77, 13], Operations: ['56+5=61', '61-48=13'] Exploring Operation: 77+13=90, Resulting Numbers: [90] 90,61 unequal: No Solution Exploring Operation: 77*13=1001, Resulting Numbers: [1001] 1001,61 unequal: No Solution Exploring Operation: 77-13=64, Resulting Numbers: [64] 64,61 unequal: No Solution Moving to Node #0,4,4 Current State: 61:[61, 125], Operations: ['56+5=61', '77+48=125'] Exploring Operation: 61+125=186, Resulting Numbers: [186] 186,61 unequal: No Solution Exploring Operation: 125-61=64, Resulting Numbers: [64] 64,61 unequal: No Solution Exploring Operation: 61*125=7625, Resulting Numbers: [7625] 7625,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[77, 48, 51], Operations: ['56-5=51'] Exploring Operation: 51-48=3, Resulting Numbers: [77, 3] Generated Node #0,0,0: 61:[77, 3] Operation: 51-48=3 Exploring Operation: 77-51=26, Resulting Numbers: [48, 26] Generated Node #0,0,1: 61:[48, 26] Operation: 77-51=26 Exploring Operation: 48+51=99, Resulting Numbers: [77, 99] Generated Node #0,0,2: 61:[77, 99] Operation: 48+51=99 Exploring Operation: 77-48=29, Resulting Numbers: [51, 29] Generated Node #0,0,3: 61:[51, 29] Operation: 77-48=29 Exploring Operation: 77+48=125, Resulting Numbers: [51, 125] Generated Node #0,0,4: 61:[51, 125] Operation: 77+48=125 Moving to Node #0,0,3 Current State: 61:[51, 29], Operations: ['56-5=51', '77-48=29'] Exploring Operation: 51+29=80, Resulting Numbers: [80] 80,61 unequal: No Solution Exploring Operation: 51-29=22, Resulting Numbers: [22] 22,61 unequal: No Solution Exploring Operation: 51*29=1479, Resulting Numbers: [1479] 1479,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[48, 26], Operations: ['56-5=51', '77-51=26'] Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,61 unequal: No Solution Exploring Operation: 48*26=1248, Resulting Numbers: [1248] 1248,61 unequal: No Solution Exploring Operation: 48+26=74, Resulting Numbers: [74] 74,61 unequal: No Solution Moving to Node #0,0,2 Current State: 61:[77, 99], Operations: ['56-5=51', '48+51=99'] Exploring Operation: 99-77=22, Resulting Numbers: [22] 22,61 unequal: No Solution Exploring Operation: 77+99=176, Resulting Numbers: [176] 176,61 unequal: No Solution Exploring Operation: 77*99=7623, Resulting Numbers: [7623] 7623,61 unequal: No Solution Moving to Node #0,0,0 Current State: 61:[77, 3], Operations: ['56-5=51', '51-48=3'] Exploring Operation: 77+3=80, Resulting Numbers: [80] 80,61 unequal: No Solution Exploring Operation: 77*3=231, Resulting Numbers: [231] 231,61 unequal: No Solution Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,61 unequal: No Solution Moving to Node #0,0,4 Current State: 61:[51, 125], Operations: ['56-5=51', '77+48=125'] Exploring Operation: 51+125=176, Resulting Numbers: [176] 176,61 unequal: No Solution Exploring Operation: 125-51=74, Resulting Numbers: [74] 74,61 unequal: No Solution Exploring Operation: 51*125=6375, Resulting Numbers: [6375] 6375,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[56, 48, 82], Operations: ['77+5=82'] Exploring Operation: 56-48=8, Resulting Numbers: [82, 8] Generated Node #0,2,0: 61:[82, 8] Operation: 56-48=8 Exploring Operation: 48+82=130, Resulting Numbers: [56, 130] Generated Node #0,2,1: 61:[56, 130] Operation: 48+82=130 Exploring Operation: 82-48=34, Resulting Numbers: [56, 34] Generated Node #0,2,2: 61:[56, 34] Operation: 82-48=34 Exploring Operation: 56+48=104, Resulting Numbers: [82, 104] Generated Node #0,2,3: 61:[82, 104] Operation: 56+48=104 Exploring Operation: 82-56=26, Resulting Numbers: [48, 26] Generated Node #0,2,4: 61:[48, 26] Operation: 82-56=26 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 61:[56, 34], Operations: ['77+5=82', '82-48=34'] Exploring Operation: 56-34=22, Resulting Numbers: [22] 22,61 unequal: No Solution Exploring Operation: 56*34=1904, Resulting Numbers: [1904] 1904,61 unequal: No Solution Exploring Operation: 56+34=90, Resulting Numbers: [90] 90,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 61:[48, 26], Operations: ['77+5=82', '82-56=26'] Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,61 unequal: No Solution Exploring Operation: 48+26=74, Resulting Numbers: [74] 74,61 unequal: No Solution Exploring Operation: 48*26=1248, Resulting Numbers: [1248] 1248,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 61:[82, 104], Operations: ['77+5=82', '56+48=104'] Exploring Operation: 104-82=22, Resulting Numbers: [22] 22,61 unequal: No Solution Exploring Operation: 82+104=186, Resulting Numbers: [186] 186,61 unequal: No Solution Exploring Operation: 82*104=8528, Resulting Numbers: [8528] 8528,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 61:[82, 8], Operations: ['77+5=82', '56-48=8'] Exploring Operation: 82-8=74, Resulting Numbers: [74] 74,61 unequal: No Solution Exploring Operation: 82*8=656, Resulting Numbers: [656] 656,61 unequal: No Solution Exploring Operation: 82+8=90, Resulting Numbers: [90] 90,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 61:[56, 130], Operations: ['77+5=82', '48+82=130'] Exploring Operation: 56*130=7280, Resulting Numbers: [7280] 7280,61 unequal: No Solution Exploring Operation: 130-56=74, Resulting Numbers: [74] 74,61 unequal: No Solution Exploring Operation: 56+130=186, Resulting Numbers: [186] 186,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 31, 37, 29, 59 ]
81
[ "31-29=2", "59*2=118", "118-37=81" ]
Current State: 81:[31, 37, 29, 59], Operations: [] Exploring Operation: 31-29=2, Resulting Numbers: [37, 59, 2] Generated Node #2: [37, 59, 2] from Operation: 31-29=2 Current State: 81:[37, 59, 2], Operations: ['31-29=2'] Exploring Operation: 59*2=118, Resulting Numbers: [37, 118] Generated Node #3: [37, 118] from Operation: 59*2=118 Current State: 81:[37, 118], Operations: ['31-29=2', '59*2=118'] Exploring Operation: 118-37=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[31, 37, 29, 59], Operations: [] Exploring Operation: 59-37=22, Resulting Numbers: [31, 29, 22] Generated Node #0,0: 81:[31, 29, 22] Operation: 59-37=22 Exploring Operation: 59-31=28, Resulting Numbers: [37, 29, 28] Generated Node #0,1: 81:[37, 29, 28] Operation: 59-31=28 Exploring Operation: 59-29=30, Resulting Numbers: [31, 37, 30] Generated Node #0,2: 81:[31, 37, 30] Operation: 59-29=30 Exploring Operation: 31+59=90, Resulting Numbers: [37, 29, 90] Generated Node #0,3: 81:[37, 29, 90] Operation: 31+59=90 Exploring Operation: 37+59=96, Resulting Numbers: [31, 29, 96] Generated Node #0,4: 81:[31, 29, 96] Operation: 37+59=96 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[31, 29, 22], Operations: ['59-37=22'] Exploring Operation: 31-22=9, Resulting Numbers: [29, 9] Generated Node #0,0,0: 81:[29, 9] Operation: 31-22=9 Exploring Operation: 31+29=60, Resulting Numbers: [22, 60] Generated Node #0,0,1: 81:[22, 60] Operation: 31+29=60 Exploring Operation: 29-22=7, Resulting Numbers: [31, 7] Generated Node #0,0,2: 81:[31, 7] Operation: 29-22=7 Exploring Operation: 31-29=2, Resulting Numbers: [22, 2] Generated Node #0,0,3: 81:[22, 2] Operation: 31-29=2 Exploring Operation: 31+22=53, Resulting Numbers: [29, 53] Generated Node #0,0,4: 81:[29, 53] Operation: 31+22=53 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[29, 9], Operations: ['59-37=22', '31-22=9'] Exploring Operation: 29+9=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 29*9=261, Resulting Numbers: [261] 261,81 unequal: No Solution Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 81:[31, 7], Operations: ['59-37=22', '29-22=7'] Exploring Operation: 31+7=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,81 unequal: No Solution Exploring Operation: 31*7=217, Resulting Numbers: [217] 217,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 81:[22, 2], Operations: ['59-37=22', '31-29=2'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,81 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,81 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,81 unequal: No Solution Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 81:[22, 60], Operations: ['59-37=22', '31+29=60'] Exploring Operation: 60-22=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 22*60=1320, Resulting Numbers: [1320] 1320,81 unequal: No Solution Exploring Operation: 22+60=82, Resulting Numbers: [82] 82,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 81:[29, 53], Operations: ['59-37=22', '31+22=53'] Exploring Operation: 53-29=24, Resulting Numbers: [24] 24,81 unequal: No Solution Exploring Operation: 29+53=82, Resulting Numbers: [82] 82,81 unequal: No Solution Exploring Operation: 29*53=1537, Resulting Numbers: [1537] 1537,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[37, 29, 28], Operations: ['59-31=28'] Exploring Operation: 37+28=65, Resulting Numbers: [29, 65] Generated Node #0,1,0: 81:[29, 65] Operation: 37+28=65 Exploring Operation: 37-28=9, Resulting Numbers: [29, 9] Generated Node #0,1,1: 81:[29, 9] Operation: 37-28=9 Exploring Operation: 37+29=66, Resulting Numbers: [28, 66] Generated Node #0,1,2: 81:[28, 66] Operation: 37+29=66 Exploring Operation: 29-28=1, Resulting Numbers: [37, 1] Generated Node #0,1,3: 81:[37, 1] Operation: 29-28=1 Exploring Operation: 37-29=8, Resulting Numbers: [28, 8] Generated Node #0,1,4: 81:[28, 8] Operation: 37-29=8 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 81:[29, 9], Operations: ['59-31=28', '37-28=9'] Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,81 unequal: No Solution Exploring Operation: 29*9=261, Resulting Numbers: [261] 261,81 unequal: No Solution Exploring Operation: 29+9=38, Resulting Numbers: [38] 38,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 81:[28, 8], Operations: ['59-31=28', '37-29=8'] Exploring Operation: 28+8=36, Resulting Numbers: [36] 36,81 unequal: No Solution Exploring Operation: 28*8=224, Resulting Numbers: [224] 224,81 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 81:[37, 1], Operations: ['59-31=28', '29-28=1'] Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,81 unequal: No Solution Exploring Operation: 37*1=37, Resulting Numbers: [37] 37,81 unequal: No Solution Exploring Operation: 37+1=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 81:[28, 66], Operations: ['59-31=28', '37+29=66'] Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 28*66=1848, Resulting Numbers: [1848] 1848,81 unequal: No Solution Exploring Operation: 28+66=94, Resulting Numbers: [94] 94,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 81:[29, 65], Operations: ['59-31=28', '37+28=65'] Exploring Operation: 29+65=94, Resulting Numbers: [94] 94,81 unequal: No Solution Exploring Operation: 29*65=1885, Resulting Numbers: [1885] 1885,81 unequal: No Solution Exploring Operation: 65-29=36, Resulting Numbers: [36] 36,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 81:[31, 37, 30], Operations: ['59-29=30'] Exploring Operation: 37-31=6, Resulting Numbers: [30, 6] Generated Node #0,2,0: 81:[30, 6] Operation: 37-31=6 Exploring Operation: 37-30=7, Resulting Numbers: [31, 7] Generated Node #0,2,1: 81:[31, 7] Operation: 37-30=7 Exploring Operation: 31-30=1, Resulting Numbers: [37, 1] Generated Node #0,2,2: 81:[37, 1] Operation: 31-30=1 Exploring Operation: 31+37=68, Resulting Numbers: [30, 68] Generated Node #0,2,3: 81:[30, 68] Operation: 31+37=68 Exploring Operation: 37+30=67, Resulting Numbers: [31, 67] Generated Node #0,2,4: 81:[31, 67] Operation: 37+30=67 Moving to Node #0,2,0 Current State: 81:[30, 6], Operations: ['59-29=30', '37-31=6'] Exploring Operation: 30*6=180, Resulting Numbers: [180] 180,81 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,81 unequal: No Solution Exploring Operation: 30+6=36, Resulting Numbers: [36] 36,81 unequal: No Solution Moving to Node #0,2,1 Current State: 81:[31, 7], Operations: ['59-29=30', '37-30=7'] Exploring Operation: 31+7=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,81 unequal: No Solution Exploring Operation: 31*7=217, Resulting Numbers: [217] 217,81 unequal: No Solution Moving to Node #0,2,2 Current State: 81:[37, 1], Operations: ['59-29=30', '31-30=1'] Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,81 unequal: No Solution Exploring Operation: 37+1=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 37*1=37, Resulting Numbers: [37] 37,81 unequal: No Solution Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,81 unequal: No Solution Moving to Node #0,2,3 Current State: 81:[30, 68], Operations: ['59-29=30', '31+37=68'] Exploring Operation: 30+68=98, Resulting Numbers: [98] 98,81 unequal: No Solution Exploring Operation: 30*68=2040, Resulting Numbers: [2040] 2040,81 unequal: No Solution Exploring Operation: 68-30=38, Resulting Numbers: [38] 38,81 unequal: No Solution Moving to Node #0,2,4 Current State: 81:[31, 67], Operations: ['59-29=30', '37+30=67'] Exploring Operation: 31+67=98, Resulting Numbers: [98] 98,81 unequal: No Solution Exploring Operation: 31*67=2077, Resulting Numbers: [2077] 2077,81 unequal: No Solution Exploring Operation: 67-31=36, Resulting Numbers: [36] 36,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 81:[37, 29, 90], Operations: ['31+59=90'] Exploring Operation: 37+29=66, Resulting Numbers: [90, 66] Generated Node #0,3,0: 81:[90, 66] Operation: 37+29=66 Exploring Operation: 37-29=8, Resulting Numbers: [90, 8] Generated Node #0,3,1: 81:[90, 8] Operation: 37-29=8 Exploring Operation: 37+90=127, Resulting Numbers: [29, 127] Generated Node #0,3,2: 81:[29, 127] Operation: 37+90=127 Exploring Operation: 90-37=53, Resulting Numbers: [29, 53] Generated Node #0,3,3: 81:[29, 53] Operation: 90-37=53 Exploring Operation: 90-29=61, Resulting Numbers: [37, 61] Generated Node #0,3,4: 81:[37, 61] Operation: 90-29=61 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 81:[90, 8], Operations: ['31+59=90', '37-29=8'] Exploring Operation: 90+8=98, Resulting Numbers: [98] 98,81 unequal: No Solution Exploring Operation: 90*8=720, Resulting Numbers: [720] 720,81 unequal: No Solution Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 81:[90, 66], Operations: ['31+59=90', '37+29=66'] Exploring Operation: 90+66=156, Resulting Numbers: [156] 156,81 unequal: No Solution Exploring Operation: 90-66=24, Resulting Numbers: [24] 24,81 unequal: No Solution Exploring Operation: 90*66=5940, Resulting Numbers: [5940] 5940,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 81:[29, 53], Operations: ['31+59=90', '90-37=53'] Exploring Operation: 29*53=1537, Resulting Numbers: [1537] 1537,81 unequal: No Solution Exploring Operation: 53-29=24, Resulting Numbers: [24] 24,81 unequal: No Solution Exploring Operation: 29+53=82, Resulting Numbers: [82] 82,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 81:[37, 61], Operations: ['31+59=90', '90-29=61'] Exploring Operation: 37*61=2257, Resulting Numbers: [2257] 2257,81 unequal: No Solution Exploring Operation: 61-37=24, Resulting Numbers: [24] 24,81 unequal: No Solution Exploring Operation: 37+61=98, Resulting Numbers: [98] 98,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 81:[29, 127], Operations: ['31+59=90', '37+90=127'] Exploring Operation: 29*127=3683, Resulting Numbers: [3683] 3683,81 unequal: No Solution Exploring Operation: 29+127=156, Resulting Numbers: [156] 156,81 unequal: No Solution Exploring Operation: 127-29=98, Resulting Numbers: [98] 98,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 81:[31, 29, 96], Operations: ['37+59=96'] Exploring Operation: 31-29=2, Resulting Numbers: [96, 2] Generated Node #0,4,0: 81:[96, 2] Operation: 31-29=2 Exploring Operation: 96-31=65, Resulting Numbers: [29, 65] Generated Node #0,4,1: 81:[29, 65] Operation: 96-31=65 Exploring Operation: 31+96=127, Resulting Numbers: [29, 127] Generated Node #0,4,2: 81:[29, 127] Operation: 31+96=127 Exploring Operation: 96-29=67, Resulting Numbers: [31, 67] Generated Node #0,4,3: 81:[31, 67] Operation: 96-29=67 Exploring Operation: 31+29=60, Resulting Numbers: [96, 60] Generated Node #0,4,4: 81:[96, 60] Operation: 31+29=60 Moving to Node #0,4,0 Current State: 81:[96, 2], Operations: ['37+59=96', '31-29=2'] Exploring Operation: 96/2=48, Resulting Numbers: [48] 48,81 unequal: No Solution Exploring Operation: 96*2=192, Resulting Numbers: [192] 192,81 unequal: No Solution Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,81 unequal: No Solution Exploring Operation: 96+2=98, Resulting Numbers: [98] 98,81 unequal: No Solution Moving to Node #0,4,3 Current State: 81:[31, 67], Operations: ['37+59=96', '96-29=67'] Exploring Operation: 67-31=36, Resulting Numbers: [36] 36,81 unequal: No Solution Exploring Operation: 31+67=98, Resulting Numbers: [98] 98,81 unequal: No Solution Exploring Operation: 31*67=2077, Resulting Numbers: [2077] 2077,81 unequal: No Solution Moving to Node #0,4,1 Current State: 81:[29, 65], Operations: ['37+59=96', '96-31=65'] Exploring Operation: 29*65=1885, Resulting Numbers: [1885] 1885,81 unequal: No Solution Exploring Operation: 65-29=36, Resulting Numbers: [36] 36,81 unequal: No Solution Exploring Operation: 29+65=94, Resulting Numbers: [94] 94,81 unequal: No Solution Moving to Node #0,4,4 Current State: 81:[96, 60], Operations: ['37+59=96', '31+29=60'] Exploring Operation: 96+60=156, Resulting Numbers: [156] 156,81 unequal: No Solution Exploring Operation: 96*60=5760, Resulting Numbers: [5760] 5760,81 unequal: No Solution Exploring Operation: 96-60=36, Resulting Numbers: [36] 36,81 unequal: No Solution Moving to Node #0,4,2 Current State: 81:[29, 127], Operations: ['37+59=96', '31+96=127'] Exploring Operation: 29+127=156, Resulting Numbers: [156] 156,81 unequal: No Solution Exploring Operation: 127-29=98, Resulting Numbers: [98] 98,81 unequal: No Solution Exploring Operation: 29*127=3683, Resulting Numbers: [3683] 3683,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 17, 24, 27, 17 ]
27
[ "17-17=0", "24*0=0", "27+0=27" ]
Current State: 27:[17, 24, 27, 17], Operations: [] Exploring Operation: 17-17=0, Resulting Numbers: [24, 27, 0] Generated Node #2: [24, 27, 0] from Operation: 17-17=0 Current State: 27:[24, 27, 0], Operations: ['17-17=0'] Exploring Operation: 24*0=0, Resulting Numbers: [27, 0] Generated Node #3: [27, 0] from Operation: 24*0=0 Current State: 27:[27, 0], Operations: ['17-17=0', '24*0=0'] Exploring Operation: 27+0=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[17, 24, 27, 17], Operations: [] Exploring Operation: 17/17=1, Resulting Numbers: [24, 27, 1] Generated Node #0,0: 27:[24, 27, 1] Operation: 17/17=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[24, 27, 1], Operations: ['17/17=1'] Exploring Operation: 27-24=3, Resulting Numbers: [1, 3] Generated Node #0,0,0: 27:[1, 3] Operation: 27-24=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[1, 3], Operations: ['17/17=1', '27-24=3'] Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 2, 98, 52, 70 ]
82
[ "2+98=100", "70-52=18", "100-18=82" ]
Current State: 82:[2, 98, 52, 70], Operations: [] Exploring Operation: 2+98=100, Resulting Numbers: [52, 70, 100] Generated Node #2: [52, 70, 100] from Operation: 2+98=100 Current State: 82:[52, 70, 100], Operations: ['2+98=100'] Exploring Operation: 70-52=18, Resulting Numbers: [100, 18] Generated Node #3: [100, 18] from Operation: 70-52=18 Current State: 82:[100, 18], Operations: ['2+98=100', '70-52=18'] Exploring Operation: 100-18=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[2, 98, 52, 70], Operations: [] Exploring Operation: 70-52=18, Resulting Numbers: [2, 98, 18] Generated Node #0,0: 82:[2, 98, 18] Operation: 70-52=18 Exploring Operation: 98/2=49, Resulting Numbers: [52, 70, 49] Generated Node #0,1: 82:[52, 70, 49] Operation: 98/2=49 Exploring Operation: 98-52=46, Resulting Numbers: [2, 70, 46] Generated Node #0,2: 82:[2, 70, 46] Operation: 98-52=46 Exploring Operation: 98-70=28, Resulting Numbers: [2, 52, 28] Generated Node #0,3: 82:[2, 52, 28] Operation: 98-70=28 Exploring Operation: 70/2=35, Resulting Numbers: [98, 52, 35] Generated Node #0,4: 82:[98, 52, 35] Operation: 70/2=35 Start Sub Search at level 1: Moving to Node #0,2 Current State: 82:[2, 70, 46], Operations: ['98-52=46'] Exploring Operation: 70/2=35, Resulting Numbers: [46, 35] Generated Node #0,2,0: 82:[46, 35] Operation: 70/2=35 Exploring Operation: 46-2=44, Resulting Numbers: [70, 44] Generated Node #0,2,1: 82:[70, 44] Operation: 46-2=44 Exploring Operation: 70-2=68, Resulting Numbers: [46, 68] Generated Node #0,2,2: 82:[46, 68] Operation: 70-2=68 Exploring Operation: 70-46=24, Resulting Numbers: [2, 24] Generated Node #0,2,3: 82:[2, 24] Operation: 70-46=24 Exploring Operation: 2+70=72, Resulting Numbers: [46, 72] Generated Node #0,2,4: 82:[46, 72] Operation: 2+70=72 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 82:[46, 35], Operations: ['98-52=46', '70/2=35'] Exploring Operation: 46*35=1610, Resulting Numbers: [1610] 1610,82 unequal: No Solution Exploring Operation: 46-35=11, Resulting Numbers: [11] 11,82 unequal: No Solution Exploring Operation: 46+35=81, Resulting Numbers: [81] 81,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 82:[70, 44], Operations: ['98-52=46', '46-2=44'] Exploring Operation: 70+44=114, Resulting Numbers: [114] 114,82 unequal: No Solution Exploring Operation: 70*44=3080, Resulting Numbers: [3080] 3080,82 unequal: No Solution Exploring Operation: 70-44=26, Resulting Numbers: [26] 26,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 82:[46, 72], Operations: ['98-52=46', '2+70=72'] Exploring Operation: 46*72=3312, Resulting Numbers: [3312] 3312,82 unequal: No Solution Exploring Operation: 46+72=118, Resulting Numbers: [118] 118,82 unequal: No Solution Exploring Operation: 72-46=26, Resulting Numbers: [26] 26,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 82:[2, 24], Operations: ['98-52=46', '70-46=24'] Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,82 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,82 unequal: No Solution Exploring Operation: 2+24=26, Resulting Numbers: [26] 26,82 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 82:[46, 68], Operations: ['98-52=46', '70-2=68'] Exploring Operation: 46+68=114, Resulting Numbers: [114] 114,82 unequal: No Solution Exploring Operation: 46*68=3128, Resulting Numbers: [3128] 3128,82 unequal: No Solution Exploring Operation: 68-46=22, Resulting Numbers: [22] 22,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 82:[2, 52, 28], Operations: ['98-70=28'] Exploring Operation: 52-2=50, Resulting Numbers: [28, 50] Generated Node #0,3,0: 82:[28, 50] Operation: 52-2=50 Exploring Operation: 2+28=30, Resulting Numbers: [52, 30] Generated Node #0,3,1: 82:[52, 30] Operation: 2+28=30 Exploring Operation: 52+28=80, Resulting Numbers: [2, 80] Generated Node #0,3,2: 82:[2, 80] Operation: 52+28=80 Exploring Operation: 52-28=24, Resulting Numbers: [2, 24] Generated Node #0,3,3: 82:[2, 24] Operation: 52-28=24 Exploring Operation: 28/2=14, Resulting Numbers: [52, 14] Generated Node #0,3,4: 82:[52, 14] Operation: 28/2=14 Moving to Node #0,3,2 Current State: 82:[2, 80], Operations: ['98-70=28', '52+28=80'] Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,82 unequal: No Solution Exploring Operation: 2*80=160, Resulting Numbers: [160] 160,82 unequal: No Solution Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,82 unequal: No Solution Exploring Operation: 2+80=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[2, 98, 52, 70], Operations: [] Exploring Operation: 98-70=28, Resulting Numbers: [2, 52, 28] Generated Node #0,3: 82:[2, 52, 28] Operation: 98-70=28 Moving to Node #0,3 Current State: 82:[2, 52, 28], Operations: ['98-70=28'] Exploring Operation: 52+28=80, Resulting Numbers: [2, 80] Generated Node #0,3,2: 82:[2, 80] Operation: 52+28=80 Moving to Node #0,3,2 Current State: 82:[2, 80], Operations: ['98-70=28', '52+28=80'] Exploring Operation: 2+80=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_5
sum_heuristic
[ 37, 69, 2, 74 ]
58
[ "69-37=32", "32/2=16", "74-16=58" ]
Current State: 58:[37, 69, 2, 74], Operations: [] Exploring Operation: 69-37=32, Resulting Numbers: [2, 74, 32] Generated Node #2: [2, 74, 32] from Operation: 69-37=32 Current State: 58:[2, 74, 32], Operations: ['69-37=32'] Exploring Operation: 32/2=16, Resulting Numbers: [74, 16] Generated Node #3: [74, 16] from Operation: 32/2=16 Current State: 58:[74, 16], Operations: ['69-37=32', '32/2=16'] Exploring Operation: 74-16=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[37, 69, 2, 74], Operations: [] Exploring Operation: 74-69=5, Resulting Numbers: [37, 2, 5] Generated Node #0,0: 58:[37, 2, 5] Operation: 74-69=5 Exploring Operation: 74/37=2, Resulting Numbers: [69, 2, 2] Generated Node #0,1: 58:[69, 2, 2] Operation: 74/37=2 Exploring Operation: 69-37=32, Resulting Numbers: [2, 74, 32] Generated Node #0,2: 58:[2, 74, 32] Operation: 69-37=32 Moving to Node #0,0 Current State: 58:[37, 2, 5], Operations: ['74-69=5'] Exploring Operation: 37-2=35, Resulting Numbers: [5, 35] Generated Node #0,0,0: 58:[5, 35] Operation: 37-2=35 Exploring Operation: 5-2=3, Resulting Numbers: [37, 3] Generated Node #0,0,1: 58:[37, 3] Operation: 5-2=3 Exploring Operation: 37-5=32, Resulting Numbers: [2, 32] Generated Node #0,0,2: 58:[2, 32] Operation: 37-5=32 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 58:[2, 32], Operations: ['74-69=5', '37-5=32'] Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,58 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,58 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[5, 35], Operations: ['74-69=5', '37-2=35'] Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,58 unequal: No Solution Exploring Operation: 5+35=40, Resulting Numbers: [40] 40,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 58:[37, 3], Operations: ['74-69=5', '5-2=3'] Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,58 unequal: No Solution Exploring Operation: 37*3=111, Resulting Numbers: [111] 111,58 unequal: No Solution Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 58:[69, 2, 2], Operations: ['74/37=2'] Exploring Operation: 69-2=67, Resulting Numbers: [2, 67] Generated Node #0,1,0: 58:[2, 67] Operation: 69-2=67 Exploring Operation: 69-2=67, Resulting Numbers: [2, 67] Generated Node #0,1,1: 58:[2, 67] Operation: 69-2=67 Exploring Operation: 2/2=1, Resulting Numbers: [69, 1] Generated Node #0,1,2: 58:[69, 1] Operation: 2/2=1 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[2, 67], Operations: ['74/37=2', '69-2=67'] Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,58 unequal: No Solution Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,58 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[2, 67], Operations: ['74/37=2', '69-2=67'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,58 unequal: No Solution Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,58 unequal: No Solution Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 58:[69, 1], Operations: ['74/37=2', '2/2=1'] Exploring Operation: 69-1=68, Resulting Numbers: [68] 68,58 unequal: No Solution Exploring Operation: 69/1=69, Resulting Numbers: [69] 69,58 unequal: No Solution Exploring Operation: 69*1=69, Resulting Numbers: [69] 69,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 58:[2, 74, 32], Operations: ['69-37=32'] Exploring Operation: 74/2=37, Resulting Numbers: [32, 37] Generated Node #0,2,0: 58:[32, 37] Operation: 74/2=37 Exploring Operation: 74-32=42, Resulting Numbers: [2, 42] Generated Node #0,2,1: 58:[2, 42] Operation: 74-32=42 Exploring Operation: 74-2=72, Resulting Numbers: [32, 72] Generated Node #0,2,2: 58:[32, 72] Operation: 74-2=72 Moving to Node #0,2,0 Current State: 58:[32, 37], Operations: ['69-37=32', '74/2=37'] Exploring Operation: 32+37=69, Resulting Numbers: [69] 69,58 unequal: No Solution Exploring Operation: 37-32=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 32*37=1184, Resulting Numbers: [1184] 1184,58 unequal: No Solution Moving to Node #0,2,1 Current State: 58:[2, 42], Operations: ['69-37=32', '74-32=42'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,58 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,58 unequal: No Solution Moving to Node #0,2,2 Current State: 58:[32, 72], Operations: ['69-37=32', '74-2=72'] Exploring Operation: 72-32=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 32+72=104, Resulting Numbers: [104] 104,58 unequal: No Solution Exploring Operation: 32*72=2304, Resulting Numbers: [2304] 2304,58 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 39, 33, 69, 67 ]
70
[ "39+33=72", "69-67=2", "72-2=70" ]
Current State: 70:[39, 33, 69, 67], Operations: [] Exploring Operation: 39+33=72, Resulting Numbers: [69, 67, 72] Generated Node #2: [69, 67, 72] from Operation: 39+33=72 Current State: 70:[69, 67, 72], Operations: ['39+33=72'] Exploring Operation: 69-67=2, Resulting Numbers: [72, 2] Generated Node #3: [72, 2] from Operation: 69-67=2 Current State: 70:[72, 2], Operations: ['39+33=72', '69-67=2'] Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[39, 33, 69, 67], Operations: [] Exploring Operation: 39-33=6, Resulting Numbers: [69, 67, 6] Generated Node #0,0: 70:[69, 67, 6] Operation: 39-33=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[69, 67, 6], Operations: ['39-33=6'] Exploring Operation: 69-67=2, Resulting Numbers: [6, 2] Generated Node #0,0,0: 70:[6, 2] Operation: 69-67=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 70:[6, 2], Operations: ['39-33=6', '69-67=2'] Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 75, 7, 3, 80 ]
16
[ "80-75=5", "7*3=21", "21-5=16" ]
Current State: 16:[75, 7, 3, 80], Operations: [] Exploring Operation: 80-75=5, Resulting Numbers: [7, 3, 5] Generated Node #2: [7, 3, 5] from Operation: 80-75=5 Current State: 16:[7, 3, 5], Operations: ['80-75=5'] Exploring Operation: 7*3=21, Resulting Numbers: [5, 21] Generated Node #3: [5, 21] from Operation: 7*3=21 Current State: 16:[5, 21], Operations: ['80-75=5', '7*3=21'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[75, 7, 3, 80], Operations: [] Exploring Operation: 80-7=73, Resulting Numbers: [75, 3, 73] Generated Node #0,0: 16:[75, 3, 73] Operation: 80-7=73 Exploring Operation: 80-75=5, Resulting Numbers: [7, 3, 5] Generated Node #0,1: 16:[7, 3, 5] Operation: 80-75=5 Exploring Operation: 75/3=25, Resulting Numbers: [7, 80, 25] Generated Node #0,2: 16:[7, 80, 25] Operation: 75/3=25 Exploring Operation: 75-7=68, Resulting Numbers: [3, 80, 68] Generated Node #0,3: 16:[3, 80, 68] Operation: 75-7=68 Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[7, 3, 5], Operations: ['80-75=5'] Exploring Operation: 5-3=2, Resulting Numbers: [7, 2] Generated Node #0,1,0: 16:[7, 2] Operation: 5-3=2 Exploring Operation: 3+5=8, Resulting Numbers: [7, 8] Generated Node #0,1,1: 16:[7, 8] Operation: 3+5=8 Exploring Operation: 7-5=2, Resulting Numbers: [3, 2] Generated Node #0,1,2: 16:[3, 2] Operation: 7-5=2 Exploring Operation: 7-3=4, Resulting Numbers: [5, 4] Generated Node #0,1,3: 16:[5, 4] Operation: 7-3=4 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 16:[7, 2], Operations: ['80-75=5', '5-3=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,16 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,16 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 16:[7, 8], Operations: ['80-75=5', '3+5=8'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,16 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 16:[3, 2], Operations: ['80-75=5', '7-5=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,16 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 16:[5, 4], Operations: ['80-75=5', '7-3=4'] Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,16 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[7, 80, 25], Operations: ['75/3=25'] Exploring Operation: 80-7=73, Resulting Numbers: [25, 73] Generated Node #0,2,0: 16:[25, 73] Operation: 80-7=73 Exploring Operation: 7+80=87, Resulting Numbers: [25, 87] Generated Node #0,2,1: 16:[25, 87] Operation: 7+80=87 Exploring Operation: 25-7=18, Resulting Numbers: [80, 18] Generated Node #0,2,2: 16:[80, 18] Operation: 25-7=18 Exploring Operation: 80-25=55, Resulting Numbers: [7, 55] Generated Node #0,2,3: 16:[7, 55] Operation: 80-25=55 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 16:[7, 55], Operations: ['75/3=25', '80-25=55'] Exploring Operation: 55-7=48, Resulting Numbers: [48] 48,16 unequal: No Solution Exploring Operation: 7+55=62, Resulting Numbers: [62] 62,16 unequal: No Solution Exploring Operation: 7*55=385, Resulting Numbers: [385] 385,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 16:[25, 73], Operations: ['75/3=25', '80-7=73'] Exploring Operation: 25+73=98, Resulting Numbers: [98] 98,16 unequal: No Solution Exploring Operation: 73-25=48, Resulting Numbers: [48] 48,16 unequal: No Solution Exploring Operation: 25*73=1825, Resulting Numbers: [1825] 1825,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 16:[80, 18], Operations: ['75/3=25', '25-7=18'] Exploring Operation: 80+18=98, Resulting Numbers: [98] 98,16 unequal: No Solution Exploring Operation: 80-18=62, Resulting Numbers: [62] 62,16 unequal: No Solution Exploring Operation: 80*18=1440, Resulting Numbers: [1440] 1440,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 16:[25, 87], Operations: ['75/3=25', '7+80=87'] Exploring Operation: 25*87=2175, Resulting Numbers: [2175] 2175,16 unequal: No Solution Exploring Operation: 87-25=62, Resulting Numbers: [62] 62,16 unequal: No Solution Exploring Operation: 25+87=112, Resulting Numbers: [112] 112,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[75, 3, 73], Operations: ['80-7=73'] Exploring Operation: 75-73=2, Resulting Numbers: [3, 2] Generated Node #0,0,0: 16:[3, 2] Operation: 75-73=2 Exploring Operation: 75-3=72, Resulting Numbers: [73, 72] Generated Node #0,0,1: 16:[73, 72] Operation: 75-3=72 Exploring Operation: 73-3=70, Resulting Numbers: [75, 70] Generated Node #0,0,2: 16:[75, 70] Operation: 73-3=70 Exploring Operation: 75/3=25, Resulting Numbers: [73, 25] Generated Node #0,0,3: 16:[73, 25] Operation: 75/3=25 Moving to Node #0,0,0 Current State: 16:[3, 2], Operations: ['80-7=73', '75-73=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,16 unequal: No Solution Moving to Node #0,0,3 Current State: 16:[73, 25], Operations: ['80-7=73', '75/3=25'] Exploring Operation: 73-25=48, Resulting Numbers: [48] 48,16 unequal: No Solution Exploring Operation: 73+25=98, Resulting Numbers: [98] 98,16 unequal: No Solution Exploring Operation: 73*25=1825, Resulting Numbers: [1825] 1825,16 unequal: No Solution Moving to Node #0,0,2 Current State: 16:[75, 70], Operations: ['80-7=73', '73-3=70'] Exploring Operation: 75+70=145, Resulting Numbers: [145] 145,16 unequal: No Solution Exploring Operation: 75-70=5, Resulting Numbers: [5] 5,16 unequal: No Solution Exploring Operation: 75*70=5250, Resulting Numbers: [5250] 5250,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[73, 72], Operations: ['80-7=73', '75-3=72'] Exploring Operation: 73*72=5256, Resulting Numbers: [5256] 5256,16 unequal: No Solution Exploring Operation: 73-72=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 73+72=145, Resulting Numbers: [145] 145,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 16:[3, 80, 68], Operations: ['75-7=68'] Exploring Operation: 80-3=77, Resulting Numbers: [68, 77] Generated Node #0,3,0: 16:[68, 77] Operation: 80-3=77 Exploring Operation: 68-3=65, Resulting Numbers: [80, 65] Generated Node #0,3,1: 16:[80, 65] Operation: 68-3=65 Exploring Operation: 3+80=83, Resulting Numbers: [68, 83] Generated Node #0,3,2: 16:[68, 83] Operation: 3+80=83 Exploring Operation: 80-68=12, Resulting Numbers: [3, 12] Generated Node #0,3,3: 16:[3, 12] Operation: 80-68=12 Moving to Node #0,3,3 Current State: 16:[3, 12], Operations: ['75-7=68', '80-68=12'] Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,16 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,16 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,16 unequal: No Solution Moving to Node #0,3,1 Current State: 16:[80, 65], Operations: ['75-7=68', '68-3=65'] Exploring Operation: 80-65=15, Resulting Numbers: [15] 15,16 unequal: No Solution Exploring Operation: 80*65=5200, Resulting Numbers: [5200] 5200,16 unequal: No Solution Exploring Operation: 80+65=145, Resulting Numbers: [145] 145,16 unequal: No Solution Moving to Node #0,3,0 Current State: 16:[68, 77], Operations: ['75-7=68', '80-3=77'] Exploring Operation: 68*77=5236, Resulting Numbers: [5236] 5236,16 unequal: No Solution Exploring Operation: 77-68=9, Resulting Numbers: [9] 9,16 unequal: No Solution Exploring Operation: 68+77=145, Resulting Numbers: [145] 145,16 unequal: No Solution Moving to Node #0,3,2 Current State: 16:[68, 83], Operations: ['75-7=68', '3+80=83'] Exploring Operation: 68+83=151, Resulting Numbers: [151] 151,16 unequal: No Solution Exploring Operation: 83-68=15, Resulting Numbers: [15] 15,16 unequal: No Solution Exploring Operation: 68*83=5644, Resulting Numbers: [5644] 5644,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 71, 77, 72, 18 ]
15
[ "77-71=6", "72+18=90", "90/6=15" ]
Current State: 15:[71, 77, 72, 18], Operations: [] Exploring Operation: 77-71=6, Resulting Numbers: [72, 18, 6] Generated Node #2: [72, 18, 6] from Operation: 77-71=6 Current State: 15:[72, 18, 6], Operations: ['77-71=6'] Exploring Operation: 72+18=90, Resulting Numbers: [6, 90] Generated Node #3: [6, 90] from Operation: 72+18=90 Current State: 15:[6, 90], Operations: ['77-71=6', '72+18=90'] Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[71, 77, 72, 18], Operations: [] Exploring Operation: 77-72=5, Resulting Numbers: [71, 18, 5] Generated Node #0,0: 15:[71, 18, 5] Operation: 77-72=5 Exploring Operation: 72-71=1, Resulting Numbers: [77, 18, 1] Generated Node #0,1: 15:[77, 18, 1] Operation: 72-71=1 Exploring Operation: 77-71=6, Resulting Numbers: [72, 18, 6] Generated Node #0,2: 15:[72, 18, 6] Operation: 77-71=6 Exploring Operation: 72/18=4, Resulting Numbers: [71, 77, 4] Generated Node #0,3: 15:[71, 77, 4] Operation: 72/18=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[71, 18, 5], Operations: ['77-72=5'] Exploring Operation: 71+5=76, Resulting Numbers: [18, 76] Generated Node #0,0,0: 15:[18, 76] Operation: 71+5=76 Exploring Operation: 71-5=66, Resulting Numbers: [18, 66] Generated Node #0,0,1: 15:[18, 66] Operation: 71-5=66 Exploring Operation: 18-5=13, Resulting Numbers: [71, 13] Generated Node #0,0,2: 15:[71, 13] Operation: 18-5=13 Exploring Operation: 71-18=53, Resulting Numbers: [5, 53] Generated Node #0,0,3: 15:[5, 53] Operation: 71-18=53 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 15:[5, 53], Operations: ['77-72=5', '71-18=53'] Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,15 unequal: No Solution Exploring Operation: 5+53=58, Resulting Numbers: [58] 58,15 unequal: No Solution Exploring Operation: 5*53=265, Resulting Numbers: [265] 265,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 15:[18, 66], Operations: ['77-72=5', '71-5=66'] Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,15 unequal: No Solution Exploring Operation: 18*66=1188, Resulting Numbers: [1188] 1188,15 unequal: No Solution Exploring Operation: 18+66=84, Resulting Numbers: [84] 84,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 15:[71, 13], Operations: ['77-72=5', '18-5=13'] Exploring Operation: 71*13=923, Resulting Numbers: [923] 923,15 unequal: No Solution Exploring Operation: 71+13=84, Resulting Numbers: [84] 84,15 unequal: No Solution Exploring Operation: 71-13=58, Resulting Numbers: [58] 58,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 15:[18, 76], Operations: ['77-72=5', '71+5=76'] Exploring Operation: 18+76=94, Resulting Numbers: [94] 94,15 unequal: No Solution Exploring Operation: 18*76=1368, Resulting Numbers: [1368] 1368,15 unequal: No Solution Exploring Operation: 76-18=58, Resulting Numbers: [58] 58,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 15:[72, 18, 6], Operations: ['77-71=6'] Exploring Operation: 72-18=54, Resulting Numbers: [6, 54] Generated Node #0,2,0: 15:[6, 54] Operation: 72-18=54 Exploring Operation: 72/18=4, Resulting Numbers: [6, 4] Generated Node #0,2,1: 15:[6, 4] Operation: 72/18=4 Exploring Operation: 72/6=12, Resulting Numbers: [18, 12] Generated Node #0,2,2: 15:[18, 12] Operation: 72/6=12 Exploring Operation: 72-6=66, Resulting Numbers: [18, 66] Generated Node #0,2,3: 15:[18, 66] Operation: 72-6=66 Moving to Node #0,2,1 Current State: 15:[6, 4], Operations: ['77-71=6', '72/18=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,15 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,15 unequal: No Solution Moving to Node #0,2,2 Current State: 15:[18, 12], Operations: ['77-71=6', '72/6=12'] Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,15 unequal: No Solution Exploring Operation: 18*12=216, Resulting Numbers: [216] 216,15 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,15 unequal: No Solution Moving to Node #0,2,0 Current State: 15:[6, 54], Operations: ['77-71=6', '72-18=54'] Exploring Operation: 54/6=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 6+54=60, Resulting Numbers: [60] 60,15 unequal: No Solution Exploring Operation: 54-6=48, Resulting Numbers: [48] 48,15 unequal: No Solution Exploring Operation: 6*54=324, Resulting Numbers: [324] 324,15 unequal: No Solution Moving to Node #0,2,3 Current State: 15:[18, 66], Operations: ['77-71=6', '72-6=66'] Exploring Operation: 18*66=1188, Resulting Numbers: [1188] 1188,15 unequal: No Solution Exploring Operation: 18+66=84, Resulting Numbers: [84] 84,15 unequal: No Solution Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[77, 18, 1], Operations: ['72-71=1'] Exploring Operation: 77*1=77, Resulting Numbers: [18, 77] Generated Node #0,1,0: 15:[18, 77] Operation: 77*1=77 Exploring Operation: 77-1=76, Resulting Numbers: [18, 76] Generated Node #0,1,1: 15:[18, 76] Operation: 77-1=76 Exploring Operation: 77-18=59, Resulting Numbers: [1, 59] Generated Node #0,1,2: 15:[1, 59] Operation: 77-18=59 Exploring Operation: 18-1=17, Resulting Numbers: [77, 17] Generated Node #0,1,3: 15:[77, 17] Operation: 18-1=17 Moving to Node #0,1,2 Current State: 15:[1, 59], Operations: ['72-71=1', '77-18=59'] Exploring Operation: 1*59=59, Resulting Numbers: [59] 59,15 unequal: No Solution Exploring Operation: 1+59=60, Resulting Numbers: [60] 60,15 unequal: No Solution Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,15 unequal: No Solution Exploring Operation: 59/1=59, Resulting Numbers: [59] 59,15 unequal: No Solution Moving to Node #0,1,3 Current State: 15:[77, 17], Operations: ['72-71=1', '18-1=17'] Exploring Operation: 77*17=1309, Resulting Numbers: [1309] 1309,15 unequal: No Solution Exploring Operation: 77+17=94, Resulting Numbers: [94] 94,15 unequal: No Solution Exploring Operation: 77-17=60, Resulting Numbers: [60] 60,15 unequal: No Solution Moving to Node #0,1,1 Current State: 15:[18, 76], Operations: ['72-71=1', '77-1=76'] Exploring Operation: 76-18=58, Resulting Numbers: [58] 58,15 unequal: No Solution Exploring Operation: 18+76=94, Resulting Numbers: [94] 94,15 unequal: No Solution Exploring Operation: 18*76=1368, Resulting Numbers: [1368] 1368,15 unequal: No Solution Moving to Node #0,1,0 Current State: 15:[18, 77], Operations: ['72-71=1', '77*1=77'] Exploring Operation: 18*77=1386, Resulting Numbers: [1386] 1386,15 unequal: No Solution Exploring Operation: 18+77=95, Resulting Numbers: [95] 95,15 unequal: No Solution Exploring Operation: 77-18=59, Resulting Numbers: [59] 59,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 15:[71, 77, 4], Operations: ['72/18=4'] Exploring Operation: 71+4=75, Resulting Numbers: [77, 75] Generated Node #0,3,0: 15:[77, 75] Operation: 71+4=75 Exploring Operation: 77-71=6, Resulting Numbers: [4, 6] Generated Node #0,3,1: 15:[4, 6] Operation: 77-71=6 Exploring Operation: 71-4=67, Resulting Numbers: [77, 67] Generated Node #0,3,2: 15:[77, 67] Operation: 71-4=67 Exploring Operation: 77-4=73, Resulting Numbers: [71, 73] Generated Node #0,3,3: 15:[71, 73] Operation: 77-4=73 Moving to Node #0,3,1 Current State: 15:[4, 6], Operations: ['72/18=4', '77-71=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,15 unequal: No Solution Moving to Node #0,3,3 Current State: 15:[71, 73], Operations: ['72/18=4', '77-4=73'] Exploring Operation: 71+73=144, Resulting Numbers: [144] 144,15 unequal: No Solution Exploring Operation: 73-71=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 71*73=5183, Resulting Numbers: [5183] 5183,15 unequal: No Solution Moving to Node #0,3,2 Current State: 15:[77, 67], Operations: ['72/18=4', '71-4=67'] Exploring Operation: 77-67=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 77*67=5159, Resulting Numbers: [5159] 5159,15 unequal: No Solution Exploring Operation: 77+67=144, Resulting Numbers: [144] 144,15 unequal: No Solution Moving to Node #0,3,0 Current State: 15:[77, 75], Operations: ['72/18=4', '71+4=75'] Exploring Operation: 77*75=5775, Resulting Numbers: [5775] 5775,15 unequal: No Solution Exploring Operation: 77+75=152, Resulting Numbers: [152] 152,15 unequal: No Solution Exploring Operation: 77-75=2, Resulting Numbers: [2] 2,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 10, 93, 38, 53 ]
62
[ "10*93=930", "53-38=15", "930/15=62" ]
Current State: 62:[10, 93, 38, 53], Operations: [] Exploring Operation: 10*93=930, Resulting Numbers: [38, 53, 930] Generated Node #2: [38, 53, 930] from Operation: 10*93=930 Current State: 62:[38, 53, 930], Operations: ['10*93=930'] Exploring Operation: 53-38=15, Resulting Numbers: [930, 15] Generated Node #3: [930, 15] from Operation: 53-38=15 Current State: 62:[930, 15], Operations: ['10*93=930', '53-38=15'] Exploring Operation: 930/15=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[10, 93, 38, 53], Operations: [] Exploring Operation: 93-38=55, Resulting Numbers: [10, 53, 55] Generated Node #0,0: 62:[10, 53, 55] Operation: 93-38=55 Exploring Operation: 93-53=40, Resulting Numbers: [10, 38, 40] Generated Node #0,1: 62:[10, 38, 40] Operation: 93-53=40 Exploring Operation: 93-10=83, Resulting Numbers: [38, 53, 83] Generated Node #0,2: 62:[38, 53, 83] Operation: 93-10=83 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[10, 53, 55], Operations: ['93-38=55'] Exploring Operation: 10+55=65, Resulting Numbers: [53, 65] Generated Node #0,0,0: 62:[53, 65] Operation: 10+55=65 Exploring Operation: 55-53=2, Resulting Numbers: [10, 2] Generated Node #0,0,1: 62:[10, 2] Operation: 55-53=2 Exploring Operation: 10+53=63, Resulting Numbers: [55, 63] Generated Node #0,0,2: 62:[55, 63] Operation: 10+53=63 Moving to Node #0,0,1 Current State: 62:[10, 2], Operations: ['93-38=55', '55-53=2'] Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,62 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[55, 63], Operations: ['93-38=55', '10+53=63'] Exploring Operation: 55+63=118, Resulting Numbers: [118] 118,62 unequal: No Solution Exploring Operation: 63-55=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 55*63=3465, Resulting Numbers: [3465] 3465,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[53, 65], Operations: ['93-38=55', '10+55=65'] Exploring Operation: 65-53=12, Resulting Numbers: [12] 12,62 unequal: No Solution Exploring Operation: 53+65=118, Resulting Numbers: [118] 118,62 unequal: No Solution Exploring Operation: 53*65=3445, Resulting Numbers: [3445] 3445,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[10, 38, 40], Operations: ['93-53=40'] Exploring Operation: 40-38=2, Resulting Numbers: [10, 2] Generated Node #0,1,0: 62:[10, 2] Operation: 40-38=2 Exploring Operation: 40-10=30, Resulting Numbers: [38, 30] Generated Node #0,1,1: 62:[38, 30] Operation: 40-10=30 Exploring Operation: 40/10=4, Resulting Numbers: [38, 4] Generated Node #0,1,2: 62:[38, 4] Operation: 40/10=4 Moving to Node #0,1,0 Current State: 62:[10, 2], Operations: ['93-53=40', '40-38=2'] Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,62 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[38, 30], Operations: ['93-53=40', '40-10=30'] Exploring Operation: 38*30=1140, Resulting Numbers: [1140] 1140,62 unequal: No Solution Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 38+30=68, Resulting Numbers: [68] 68,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[38, 4], Operations: ['93-53=40', '40/10=4'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 38*4=152, Resulting Numbers: [152] 152,62 unequal: No Solution Exploring Operation: 38+4=42, Resulting Numbers: [42] 42,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 62:[38, 53, 83], Operations: ['93-10=83'] Exploring Operation: 83-38=45, Resulting Numbers: [53, 45] Generated Node #0,2,0: 62:[53, 45] Operation: 83-38=45 Exploring Operation: 53-38=15, Resulting Numbers: [83, 15] Generated Node #0,2,1: 62:[83, 15] Operation: 53-38=15 Exploring Operation: 83-53=30, Resulting Numbers: [38, 30] Generated Node #0,2,2: 62:[38, 30] Operation: 83-53=30 Moving to Node #0,2,2 Current State: 62:[38, 30], Operations: ['93-10=83', '83-53=30'] Exploring Operation: 38*30=1140, Resulting Numbers: [1140] 1140,62 unequal: No Solution Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 38+30=68, Resulting Numbers: [68] 68,62 unequal: No Solution Moving to Node #0,2,0 Current State: 62:[53, 45], Operations: ['93-10=83', '83-38=45'] Exploring Operation: 53*45=2385, Resulting Numbers: [2385] 2385,62 unequal: No Solution Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 53+45=98, Resulting Numbers: [98] 98,62 unequal: No Solution Moving to Node #0,2,1 Current State: 62:[83, 15], Operations: ['93-10=83', '53-38=15'] Exploring Operation: 83+15=98, Resulting Numbers: [98] 98,62 unequal: No Solution Exploring Operation: 83-15=68, Resulting Numbers: [68] 68,62 unequal: No Solution Exploring Operation: 83*15=1245, Resulting Numbers: [1245] 1245,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic