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
[ 32, 57, 4, 28 ]
23
[ "32+57=89", "4*28=112", "112-89=23" ]
Current State: 23:[32, 57, 4, 28], Operations: [] Exploring Operation: 32+57=89, Resulting Numbers: [4, 28, 89] Generated Node #2: [4, 28, 89] from Operation: 32+57=89 Current State: 23:[4, 28, 89], Operations: ['32+57=89'] Exploring Operation: 4*28=112, Resulting Numbers: [89, 112] Generated Node #3: [89, 112] from Operation: 4*28=112 Current State: 23:[89, 112], Operations: ['32+57=89', '4*28=112'] Exploring Operation: 112-89=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[32, 57, 4, 28], Operations: [] Exploring Operation: 57-32=25, Resulting Numbers: [4, 28, 25] Generated Node #0,0: 23:[4, 28, 25] Operation: 57-32=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[4, 28, 25], Operations: ['57-32=25'] Exploring Operation: 28-4=24, Resulting Numbers: [25, 24] Generated Node #0,0,0: 23:[25, 24] Operation: 28-4=24 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[25, 24], Operations: ['57-32=25', '28-4=24'] Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,23 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
[ 19, 32, 15, 13 ]
15
[ "32-19=13", "15+13=28", "28-13=15" ]
Current State: 15:[19, 32, 15, 13], Operations: [] Exploring Operation: 32-19=13, Resulting Numbers: [15, 13, 13] Generated Node #2: [15, 13, 13] from Operation: 32-19=13 Current State: 15:[15, 13, 13], Operations: ['32-19=13'] Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,15 equal: Goal Reached Exploring Operation: 28-13=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[19, 32, 15, 13], Operations: [] Exploring Operation: 19-15=4, Resulting Numbers: [32, 13, 4] Generated Node #0,0: 15:[32, 13, 4] Operation: 19-15=4 Exploring Operation: 32-15=17, Resulting Numbers: [19, 13, 17] Generated Node #0,1: 15:[19, 13, 17] Operation: 32-15=17 Exploring Operation: 19-13=6, Resulting Numbers: [32, 15, 6] Generated Node #0,2: 15:[32, 15, 6] Operation: 19-13=6 Exploring Operation: 32-19=13, Resulting Numbers: [15, 13, 13] Generated Node #0,3: 15:[15, 13, 13] Operation: 32-19=13 Exploring Operation: 32-13=19, Resulting Numbers: [19, 15, 19] Generated Node #0,4: 15:[19, 15, 19] Operation: 32-13=19 Moving to Node #0,3 Current State: 15:[15, 13, 13], Operations: ['32-19=13'] Exploring Operation: 13-13=0, Resulting Numbers: [15, 0] Generated Node #0,3,0: 15:[15, 0] Operation: 13-13=0 Exploring Operation: 15-13=2, Resulting Numbers: [13, 2] Generated Node #0,3,1: 15:[13, 2] Operation: 15-13=2 Exploring Operation: 15-13=2, Resulting Numbers: [13, 2] Generated Node #0,3,2: 15:[13, 2] Operation: 15-13=2 Exploring Operation: 13/13=1, Resulting Numbers: [15, 1] Generated Node #0,3,3: 15:[15, 1] Operation: 13/13=1 Exploring Operation: 13+13=26, Resulting Numbers: [15, 26] Generated Node #0,3,4: 15:[15, 26] Operation: 13+13=26 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 15:[15, 1], Operations: ['32-19=13', '13/13=1'] Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[19, 32, 15, 13], Operations: [] Exploring Operation: 32-19=13, Resulting Numbers: [15, 13, 13] Generated Node #0,3: 15:[15, 13, 13] Operation: 32-19=13 Moving to Node #0,3 Current State: 15:[15, 13, 13], Operations: ['32-19=13'] Exploring Operation: 13/13=1, Resulting Numbers: [15, 1] Generated Node #0,3,3: 15:[15, 1] Operation: 13/13=1 Moving to Node #0,3,3 Current State: 15:[15, 1], Operations: ['32-19=13', '13/13=1'] Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 3, 45, 89, 39 ]
86
[ "45-3=42", "89+39=128", "128-42=86" ]
Current State: 86:[3, 45, 89, 39], Operations: [] Exploring Operation: 45-3=42, Resulting Numbers: [89, 39, 42] Generated Node #2: [89, 39, 42] from Operation: 45-3=42 Current State: 86:[89, 39, 42], Operations: ['45-3=42'] Exploring Operation: 89+39=128, Resulting Numbers: [42, 128] Generated Node #3: [42, 128] from Operation: 89+39=128 Current State: 86:[42, 128], Operations: ['45-3=42', '89+39=128'] Exploring Operation: 128-42=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[3, 45, 89, 39], Operations: [] Exploring Operation: 89-45=44, Resulting Numbers: [3, 39, 44] Generated Node #0,0: 86:[3, 39, 44] Operation: 89-45=44 Exploring Operation: 45+39=84, Resulting Numbers: [3, 89, 84] Generated Node #0,1: 86:[3, 89, 84] Operation: 45+39=84 Exploring Operation: 45-3=42, Resulting Numbers: [89, 39, 42] Generated Node #0,2: 86:[89, 39, 42] Operation: 45-3=42 Exploring Operation: 89-3=86, Resulting Numbers: [45, 39, 86] Generated Node #0,3: 86:[45, 39, 86] Operation: 89-3=86 Exploring Operation: 3+39=42, Resulting Numbers: [45, 89, 42] Generated Node #0,4: 86:[45, 89, 42] Operation: 3+39=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[3, 39, 44], Operations: ['89-45=44'] Exploring Operation: 39-3=36, Resulting Numbers: [44, 36] Generated Node #0,0,0: 86:[44, 36] Operation: 39-3=36 Exploring Operation: 3+39=42, Resulting Numbers: [44, 42] Generated Node #0,0,1: 86:[44, 42] Operation: 3+39=42 Exploring Operation: 39+44=83, Resulting Numbers: [3, 83] Generated Node #0,0,2: 86:[3, 83] Operation: 39+44=83 Exploring Operation: 44-3=41, Resulting Numbers: [39, 41] Generated Node #0,0,3: 86:[39, 41] Operation: 44-3=41 Exploring Operation: 44-39=5, Resulting Numbers: [3, 5] Generated Node #0,0,4: 86:[3, 5] Operation: 44-39=5 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 86:[44, 42], Operations: ['89-45=44', '3+39=42'] Exploring Operation: 44-42=2, Resulting Numbers: [2] 2,86 unequal: No Solution Exploring Operation: 44*42=1848, Resulting Numbers: [1848] 1848,86 unequal: No Solution Exploring Operation: 44+42=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[3, 45, 89, 39], Operations: [] Exploring Operation: 89-45=44, Resulting Numbers: [3, 39, 44] Generated Node #0,0: 86:[3, 39, 44] Operation: 89-45=44 Moving to Node #0,0 Current State: 86:[3, 39, 44], Operations: ['89-45=44'] Exploring Operation: 3+39=42, Resulting Numbers: [44, 42] Generated Node #0,0,1: 86:[44, 42] Operation: 3+39=42 Moving to Node #0,0,1 Current State: 86:[44, 42], Operations: ['89-45=44', '3+39=42'] Exploring Operation: 44+42=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 64, 4, 12, 2 ]
65
[ "64-2=62", "12/4=3", "62+3=65" ]
Current State: 65:[64, 4, 12, 2], Operations: [] Exploring Operation: 64-2=62, Resulting Numbers: [4, 12, 62] Generated Node #2: [4, 12, 62] from Operation: 64-2=62 Current State: 65:[4, 12, 62], Operations: ['64-2=62'] Exploring Operation: 12/4=3, Resulting Numbers: [62, 3] Generated Node #3: [62, 3] from Operation: 12/4=3 Current State: 65:[62, 3], Operations: ['64-2=62', '12/4=3'] Exploring Operation: 62+3=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[64, 4, 12, 2], Operations: [] Exploring Operation: 4+2=6, Resulting Numbers: [64, 12, 6] Generated Node #0,0: 65:[64, 12, 6] Operation: 4+2=6 Exploring Operation: 12+2=14, Resulting Numbers: [64, 4, 14] Generated Node #0,1: 65:[64, 4, 14] Operation: 12+2=14 Exploring Operation: 64-2=62, Resulting Numbers: [4, 12, 62] Generated Node #0,2: 65:[4, 12, 62] Operation: 64-2=62 Exploring Operation: 64+2=66, Resulting Numbers: [4, 12, 66] Generated Node #0,3: 65:[4, 12, 66] Operation: 64+2=66 Exploring Operation: 12/2=6, Resulting Numbers: [64, 4, 6] Generated Node #0,4: 65:[64, 4, 6] Operation: 12/2=6 Moving to Node #0,0 Current State: 65:[64, 12, 6], Operations: ['4+2=6'] Exploring Operation: 64+6=70, Resulting Numbers: [12, 70] Generated Node #0,0,0: 65:[12, 70] Operation: 64+6=70 Exploring Operation: 12-6=6, Resulting Numbers: [64, 6] Generated Node #0,0,1: 65:[64, 6] Operation: 12-6=6 Exploring Operation: 12/6=2, Resulting Numbers: [64, 2] Generated Node #0,0,2: 65:[64, 2] Operation: 12/6=2 Exploring Operation: 64-6=58, Resulting Numbers: [12, 58] Generated Node #0,0,3: 65:[12, 58] Operation: 64-6=58 Exploring Operation: 12+6=18, Resulting Numbers: [64, 18] Generated Node #0,0,4: 65:[64, 18] Operation: 12+6=18 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[64, 6], Operations: ['4+2=6', '12-6=6'] Exploring Operation: 64+6=70, Resulting Numbers: [70] 70,65 unequal: No Solution Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,65 unequal: No Solution Exploring Operation: 64*6=384, Resulting Numbers: [384] 384,65 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: 65:[64, 2], Operations: ['4+2=6', '12/6=2'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,65 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,65 unequal: No Solution Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,65 unequal: No Solution Exploring Operation: 64*2=128, Resulting Numbers: [128] 128,65 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: 65:[12, 70], Operations: ['4+2=6', '64+6=70'] Exploring Operation: 12+70=82, Resulting Numbers: [82] 82,65 unequal: No Solution Exploring Operation: 12*70=840, Resulting Numbers: [840] 840,65 unequal: No Solution Exploring Operation: 70-12=58, Resulting Numbers: [58] 58,65 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: 65:[64, 18], Operations: ['4+2=6', '12+6=18'] Exploring Operation: 64*18=1152, Resulting Numbers: [1152] 1152,65 unequal: No Solution Exploring Operation: 64+18=82, Resulting Numbers: [82] 82,65 unequal: No Solution Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,65 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: 65:[12, 58], Operations: ['4+2=6', '64-6=58'] Exploring Operation: 12*58=696, Resulting Numbers: [696] 696,65 unequal: No Solution Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,65 unequal: No Solution Exploring Operation: 12+58=70, Resulting Numbers: [70] 70,65 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: 65:[4, 12, 66], Operations: ['64+2=66'] Exploring Operation: 12/4=3, Resulting Numbers: [66, 3] Generated Node #0,3,0: 65:[66, 3] Operation: 12/4=3 Exploring Operation: 4+66=70, Resulting Numbers: [12, 70] Generated Node #0,3,1: 65:[12, 70] Operation: 4+66=70 Exploring Operation: 4+12=16, Resulting Numbers: [66, 16] Generated Node #0,3,2: 65:[66, 16] Operation: 4+12=16 Exploring Operation: 12-4=8, Resulting Numbers: [66, 8] Generated Node #0,3,3: 65:[66, 8] Operation: 12-4=8 Exploring Operation: 66-4=62, Resulting Numbers: [12, 62] Generated Node #0,3,4: 65:[12, 62] Operation: 66-4=62 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 65:[66, 3], Operations: ['64+2=66', '12/4=3'] Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,65 unequal: No Solution Exploring Operation: 66+3=69, Resulting Numbers: [69] 69,65 unequal: No Solution Exploring Operation: 66*3=198, Resulting Numbers: [198] 198,65 unequal: No Solution Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,65 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: 65:[66, 16], Operations: ['64+2=66', '4+12=16'] Exploring Operation: 66+16=82, Resulting Numbers: [82] 82,65 unequal: No Solution Exploring Operation: 66-16=50, Resulting Numbers: [50] 50,65 unequal: No Solution Exploring Operation: 66*16=1056, Resulting Numbers: [1056] 1056,65 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: 65:[66, 8], Operations: ['64+2=66', '12-4=8'] Exploring Operation: 66*8=528, Resulting Numbers: [528] 528,65 unequal: No Solution Exploring Operation: 66+8=74, Resulting Numbers: [74] 74,65 unequal: No Solution Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,65 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: 65:[12, 62], Operations: ['64+2=66', '66-4=62'] Exploring Operation: 62-12=50, Resulting Numbers: [50] 50,65 unequal: No Solution Exploring Operation: 12*62=744, Resulting Numbers: [744] 744,65 unequal: No Solution Exploring Operation: 12+62=74, Resulting Numbers: [74] 74,65 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: 65:[12, 70], Operations: ['64+2=66', '4+66=70'] Exploring Operation: 70-12=58, Resulting Numbers: [58] 58,65 unequal: No Solution Exploring Operation: 12+70=82, Resulting Numbers: [82] 82,65 unequal: No Solution Exploring Operation: 12*70=840, Resulting Numbers: [840] 840,65 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: 65:[64, 4, 14], Operations: ['12+2=14'] Exploring Operation: 4+14=18, Resulting Numbers: [64, 18] Generated Node #0,1,0: 65:[64, 18] Operation: 4+14=18 Exploring Operation: 64+4=68, Resulting Numbers: [14, 68] Generated Node #0,1,1: 65:[14, 68] Operation: 64+4=68 Exploring Operation: 64-4=60, Resulting Numbers: [14, 60] Generated Node #0,1,2: 65:[14, 60] Operation: 64-4=60 Exploring Operation: 14-4=10, Resulting Numbers: [64, 10] Generated Node #0,1,3: 65:[64, 10] Operation: 14-4=10 Exploring Operation: 64/4=16, Resulting Numbers: [14, 16] Generated Node #0,1,4: 65:[14, 16] Operation: 64/4=16 Moving to Node #0,4 Current State: 65:[64, 4, 6], Operations: ['12/2=6'] Exploring Operation: 64+4=68, Resulting Numbers: [6, 68] Generated Node #0,4,0: 65:[6, 68] Operation: 64+4=68 Exploring Operation: 64/4=16, Resulting Numbers: [6, 16] Generated Node #0,4,1: 65:[6, 16] Operation: 64/4=16 Exploring Operation: 6-4=2, Resulting Numbers: [64, 2] Generated Node #0,4,2: 65:[64, 2] Operation: 6-4=2 Exploring Operation: 4+6=10, Resulting Numbers: [64, 10] Generated Node #0,4,3: 65:[64, 10] Operation: 4+6=10 Exploring Operation: 64-4=60, Resulting Numbers: [6, 60] Generated Node #0,4,4: 65:[6, 60] Operation: 64-4=60 Moving to Node #0,2 Current State: 65:[4, 12, 62], Operations: ['64-2=62'] Exploring Operation: 4+62=66, Resulting Numbers: [12, 66] Generated Node #0,2,0: 65:[12, 66] Operation: 4+62=66 Exploring Operation: 62-4=58, Resulting Numbers: [12, 58] Generated Node #0,2,1: 65:[12, 58] Operation: 62-4=58 Exploring Operation: 12-4=8, Resulting Numbers: [62, 8] Generated Node #0,2,2: 65:[62, 8] Operation: 12-4=8 Exploring Operation: 12/4=3, Resulting Numbers: [62, 3] Generated Node #0,2,3: 65:[62, 3] Operation: 12/4=3 Exploring Operation: 4+12=16, Resulting Numbers: [62, 16] Generated Node #0,2,4: 65:[62, 16] Operation: 4+12=16 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 65:[12, 66], Operations: ['64-2=62', '4+62=66'] Exploring Operation: 66-12=54, Resulting Numbers: [54] 54,65 unequal: No Solution Exploring Operation: 12+66=78, Resulting Numbers: [78] 78,65 unequal: No Solution Exploring Operation: 12*66=792, Resulting Numbers: [792] 792,65 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: 65:[62, 3], Operations: ['64-2=62', '12/4=3'] Exploring Operation: 62*3=186, Resulting Numbers: [186] 186,65 unequal: No Solution Exploring Operation: 62+3=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[64, 4, 12, 2], Operations: [] Exploring Operation: 64-2=62, Resulting Numbers: [4, 12, 62] Generated Node #0,2: 65:[4, 12, 62] Operation: 64-2=62 Moving to Node #0,2 Current State: 65:[4, 12, 62], Operations: ['64-2=62'] Exploring Operation: 12/4=3, Resulting Numbers: [62, 3] Generated Node #0,2,3: 65:[62, 3] Operation: 12/4=3 Moving to Node #0,2,3 Current State: 65:[62, 3], Operations: ['64-2=62', '12/4=3'] Exploring Operation: 62+3=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.938368
hs_5
mult_heuristic
[ 28, 45, 84, 49 ]
91
[ "84/28=3", "45+49=94", "94-3=91" ]
Current State: 91:[28, 45, 84, 49], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [45, 49, 3] Generated Node #2: [45, 49, 3] from Operation: 84/28=3 Current State: 91:[45, 49, 3], Operations: ['84/28=3'] Exploring Operation: 45+49=94, Resulting Numbers: [3, 94] Generated Node #3: [3, 94] from Operation: 45+49=94 Current State: 91:[3, 94], Operations: ['84/28=3', '45+49=94'] Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[28, 45, 84, 49], Operations: [] Exploring Operation: 45+49=94, Resulting Numbers: [28, 84, 94] Generated Node #0,0: 91:[28, 84, 94] Operation: 45+49=94 Exploring Operation: 49-45=4, Resulting Numbers: [28, 84, 4] Generated Node #0,1: 91:[28, 84, 4] Operation: 49-45=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[28, 84, 94], Operations: ['45+49=94'] Exploring Operation: 94-84=10, Resulting Numbers: [28, 10] Generated Node #0,0,0: 91:[28, 10] Operation: 94-84=10 Exploring Operation: 84/28=3, Resulting Numbers: [94, 3] Generated Node #0,0,1: 91:[94, 3] Operation: 84/28=3 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 91:[94, 3], Operations: ['45+49=94', '84/28=3'] Exploring Operation: 94+3=97, Resulting Numbers: [97] 97,91 unequal: No Solution Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[28, 45, 84, 49], Operations: [] Exploring Operation: 45+49=94, Resulting Numbers: [28, 84, 94] Generated Node #0,0: 91:[28, 84, 94] Operation: 45+49=94 Moving to Node #0,0 Current State: 91:[28, 84, 94], Operations: ['45+49=94'] Exploring Operation: 84/28=3, Resulting Numbers: [94, 3] Generated Node #0,0,1: 91:[94, 3] Operation: 84/28=3 Moving to Node #0,0,1 Current State: 91:[94, 3], Operations: ['45+49=94', '84/28=3'] Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 51, 31, 4, 27 ]
88
[ "51-31=20", "4*27=108", "108-20=88" ]
Current State: 88:[51, 31, 4, 27], Operations: [] Exploring Operation: 51-31=20, Resulting Numbers: [4, 27, 20] Generated Node #2: [4, 27, 20] from Operation: 51-31=20 Current State: 88:[4, 27, 20], Operations: ['51-31=20'] Exploring Operation: 4*27=108, Resulting Numbers: [20, 108] Generated Node #3: [20, 108] from Operation: 4*27=108 Current State: 88:[20, 108], Operations: ['51-31=20', '4*27=108'] Exploring Operation: 108-20=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[51, 31, 4, 27], Operations: [] Exploring Operation: 51-4=47, Resulting Numbers: [31, 27, 47] Generated Node #0,0: 88:[31, 27, 47] Operation: 51-4=47 Exploring Operation: 51-31=20, Resulting Numbers: [4, 27, 20] Generated Node #0,1: 88:[4, 27, 20] Operation: 51-31=20 Exploring Operation: 31-27=4, Resulting Numbers: [51, 4, 4] Generated Node #0,2: 88:[51, 4, 4] Operation: 31-27=4 Exploring Operation: 51-27=24, Resulting Numbers: [31, 4, 24] Generated Node #0,3: 88:[31, 4, 24] Operation: 51-27=24 Exploring Operation: 51+31=82, Resulting Numbers: [4, 27, 82] Generated Node #0,4: 88:[4, 27, 82] Operation: 51+31=82 Moving to Node #0,1 Current State: 88:[4, 27, 20], Operations: ['51-31=20'] Exploring Operation: 27+20=47, Resulting Numbers: [4, 47] Generated Node #0,1,0: 88:[4, 47] Operation: 27+20=47 Exploring Operation: 20/4=5, Resulting Numbers: [27, 5] Generated Node #0,1,1: 88:[27, 5] Operation: 20/4=5 Exploring Operation: 4+20=24, Resulting Numbers: [27, 24] Generated Node #0,1,2: 88:[27, 24] Operation: 4+20=24 Exploring Operation: 27-4=23, Resulting Numbers: [20, 23] Generated Node #0,1,3: 88:[20, 23] Operation: 27-4=23 Exploring Operation: 27-20=7, Resulting Numbers: [4, 7] Generated Node #0,1,4: 88:[4, 7] Operation: 27-20=7 Moving to Node #0,2 Current State: 88:[51, 4, 4], Operations: ['31-27=4'] Exploring Operation: 51-4=47, Resulting Numbers: [4, 47] Generated Node #0,2,0: 88:[4, 47] Operation: 51-4=47 Exploring Operation: 4-4=0, Resulting Numbers: [51, 0] Generated Node #0,2,1: 88:[51, 0] Operation: 4-4=0 Exploring Operation: 4/4=1, Resulting Numbers: [51, 1] Generated Node #0,2,2: 88:[51, 1] Operation: 4/4=1 Exploring Operation: 4+4=8, Resulting Numbers: [51, 8] Generated Node #0,2,3: 88:[51, 8] Operation: 4+4=8 Exploring Operation: 51-4=47, Resulting Numbers: [4, 47] Generated Node #0,2,4: 88:[4, 47] Operation: 51-4=47 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 88:[4, 47], Operations: ['31-27=4', '51-4=47'] Exploring Operation: 4+47=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 4*47=188, Resulting Numbers: [188] 188,88 unequal: No Solution Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,88 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 #0,2,4 Current State: 88:[4, 47], Operations: ['31-27=4', '51-4=47'] Exploring Operation: 4*47=188, Resulting Numbers: [188] 188,88 unequal: No Solution Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 4+47=51, Resulting Numbers: [51] 51,88 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 #0,2,3 Current State: 88:[51, 8], Operations: ['31-27=4', '4+4=8'] Exploring Operation: 51+8=59, Resulting Numbers: [59] 59,88 unequal: No Solution Exploring Operation: 51*8=408, Resulting Numbers: [408] 408,88 unequal: No Solution Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,88 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:[51, 1], Operations: ['31-27=4', '4/4=1'] Exploring Operation: 51*1=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,88 unequal: No Solution Exploring Operation: 51+1=52, Resulting Numbers: [52] 52,88 unequal: No Solution Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,88 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:[51, 0], Operations: ['31-27=4', '4-4=0'] Exploring Operation: 51+0=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 51*0=0, Resulting Numbers: [0] 0,88 unequal: No Solution Exploring Operation: 51-0=51, Resulting Numbers: [51] 51,88 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:[31, 4, 24], Operations: ['51-27=24'] Exploring Operation: 24-4=20, Resulting Numbers: [31, 20] Generated Node #0,3,0: 88:[31, 20] Operation: 24-4=20 Exploring Operation: 31+24=55, Resulting Numbers: [4, 55] Generated Node #0,3,1: 88:[4, 55] Operation: 31+24=55 Exploring Operation: 31-24=7, Resulting Numbers: [4, 7] Generated Node #0,3,2: 88:[4, 7] Operation: 31-24=7 Exploring Operation: 31+4=35, Resulting Numbers: [24, 35] Generated Node #0,3,3: 88:[24, 35] Operation: 31+4=35 Exploring Operation: 31-4=27, Resulting Numbers: [24, 27] Generated Node #0,3,4: 88:[24, 27] Operation: 31-4=27 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 88:[4, 7], Operations: ['51-27=24', '31-24=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,88 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,88 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 #0,3,4 Current State: 88:[24, 27], Operations: ['51-27=24', '31-4=27'] Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 24+27=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 24*27=648, Resulting Numbers: [648] 648,88 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 #0,3,0 Current State: 88:[31, 20], Operations: ['51-27=24', '24-4=20'] Exploring Operation: 31*20=620, Resulting Numbers: [620] 620,88 unequal: No Solution Exploring Operation: 31-20=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 31+20=51, Resulting Numbers: [51] 51,88 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 #0,3,1 Current State: 88:[4, 55], Operations: ['51-27=24', '31+24=55'] Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,88 unequal: No Solution Exploring Operation: 4*55=220, Resulting Numbers: [220] 220,88 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,88 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 #0,3,3 Current State: 88:[24, 35], Operations: ['51-27=24', '31+4=35'] Exploring Operation: 24+35=59, Resulting Numbers: [59] 59,88 unequal: No Solution Exploring Operation: 35-24=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 24*35=840, Resulting Numbers: [840] 840,88 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: 88:[4, 27, 82], Operations: ['51+31=82'] Exploring Operation: 4+82=86, Resulting Numbers: [27, 86] Generated Node #0,4,0: 88:[27, 86] Operation: 4+82=86 Exploring Operation: 27-4=23, Resulting Numbers: [82, 23] Generated Node #0,4,1: 88:[82, 23] Operation: 27-4=23 Exploring Operation: 82-27=55, Resulting Numbers: [4, 55] Generated Node #0,4,2: 88:[4, 55] Operation: 82-27=55 Exploring Operation: 82-4=78, Resulting Numbers: [27, 78] Generated Node #0,4,3: 88:[27, 78] Operation: 82-4=78 Exploring Operation: 4+27=31, Resulting Numbers: [82, 31] Generated Node #0,4,4: 88:[82, 31] Operation: 4+27=31 Moving to Node #0,0 Current State: 88:[31, 27, 47], Operations: ['51-4=47'] Exploring Operation: 31+47=78, Resulting Numbers: [27, 78] Generated Node #0,0,0: 88:[27, 78] Operation: 31+47=78 Exploring Operation: 47-31=16, Resulting Numbers: [27, 16] Generated Node #0,0,1: 88:[27, 16] Operation: 47-31=16 Exploring Operation: 47-27=20, Resulting Numbers: [31, 20] Generated Node #0,0,2: 88:[31, 20] Operation: 47-27=20 Exploring Operation: 31-27=4, Resulting Numbers: [47, 4] Generated Node #0,0,3: 88:[47, 4] Operation: 31-27=4 Exploring Operation: 31+27=58, Resulting Numbers: [47, 58] Generated Node #0,0,4: 88:[47, 58] Operation: 31+27=58 Moving to Node #0,1,4 Current State: 88:[4, 7], Operations: ['51-31=20', '27-20=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,88 unequal: No Solution Moving to Node #0,1,3 Current State: 88:[20, 23], Operations: ['51-31=20', '27-4=23'] Exploring Operation: 23-20=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 20+23=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 20*23=460, Resulting Numbers: [460] 460,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[4, 47], Operations: ['51-31=20', '27+20=47'] Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 4*47=188, Resulting Numbers: [188] 188,88 unequal: No Solution Exploring Operation: 4+47=51, Resulting Numbers: [51] 51,88 unequal: No Solution Moving to Node #0,0,3 Current State: 88:[47, 4], Operations: ['51-4=47', '31-27=4'] Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 47+4=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 47*4=188, Resulting Numbers: [188] 188,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[27, 5], Operations: ['51-31=20', '20/4=5'] Exploring Operation: 27*5=135, Resulting Numbers: [135] 135,88 unequal: No Solution Exploring Operation: 27+5=32, Resulting Numbers: [32] 32,88 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,88 unequal: No Solution Moving to Node #0,4,1 Current State: 88:[82, 23], Operations: ['51+31=82', '27-4=23'] Exploring Operation: 82+23=105, Resulting Numbers: [105] 105,88 unequal: No Solution Exploring Operation: 82*23=1886, Resulting Numbers: [1886] 1886,88 unequal: No Solution Exploring Operation: 82-23=59, Resulting Numbers: [59] 59,88 unequal: No Solution Moving to Node #0,4,0 Current State: 88:[27, 86], Operations: ['51+31=82', '4+82=86'] Exploring Operation: 27+86=113, Resulting Numbers: [113] 113,88 unequal: No Solution Exploring Operation: 86-27=59, Resulting Numbers: [59] 59,88 unequal: No Solution Exploring Operation: 27*86=2322, Resulting Numbers: [2322] 2322,88 unequal: No Solution Moving to Node #0,1,2 Current State: 88:[27, 24], Operations: ['51-31=20', '4+20=24'] Exploring Operation: 27*24=648, Resulting Numbers: [648] 648,88 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[27, 16], Operations: ['51-4=47', '47-31=16'] Exploring Operation: 27*16=432, Resulting Numbers: [432] 432,88 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,88 unequal: No Solution Moving to Node #0,4,2 Current State: 88:[4, 55], Operations: ['51+31=82', '82-27=55'] Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,88 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 4*55=220, Resulting Numbers: [220] 220,88 unequal: No Solution Moving to Node #0,0,2 Current State: 88:[31, 20], Operations: ['51-4=47', '47-27=20'] Exploring Operation: 31-20=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 31+20=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 31*20=620, Resulting Numbers: [620] 620,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[27, 78], Operations: ['51-4=47', '31+47=78'] Exploring Operation: 27*78=2106, Resulting Numbers: [2106] 2106,88 unequal: No Solution Exploring Operation: 78-27=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 27+78=105, Resulting Numbers: [105] 105,88 unequal: No Solution Moving to Node #0,4,3 Current State: 88:[27, 78], Operations: ['51+31=82', '82-4=78'] Exploring Operation: 27*78=2106, Resulting Numbers: [2106] 2106,88 unequal: No Solution Exploring Operation: 78-27=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 27+78=105, Resulting Numbers: [105] 105,88 unequal: No Solution Moving to Node #0,4,4 Current State: 88:[82, 31], Operations: ['51+31=82', '4+27=31'] Exploring Operation: 82*31=2542, Resulting Numbers: [2542] 2542,88 unequal: No Solution Exploring Operation: 82-31=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 82+31=113, Resulting Numbers: [113] 113,88 unequal: No Solution Moving to Node #0,0,4 Current State: 88:[47, 58], Operations: ['51-4=47', '31+27=58'] Exploring Operation: 47*58=2726, Resulting Numbers: [2726] 2726,88 unequal: No Solution Exploring Operation: 47+58=105, Resulting Numbers: [105] 105,88 unequal: No Solution Exploring Operation: 58-47=11, Resulting Numbers: [11] 11,88 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 22, 83, 58, 67 ]
64
[ "83-22=61", "58+67=125", "125-61=64" ]
Current State: 64:[22, 83, 58, 67], Operations: [] Exploring Operation: 83-22=61, Resulting Numbers: [58, 67, 61] Generated Node #2: [58, 67, 61] from Operation: 83-22=61 Current State: 64:[58, 67, 61], Operations: ['83-22=61'] Exploring Operation: 58+67=125, Resulting Numbers: [61, 125] Generated Node #3: [61, 125] from Operation: 58+67=125 Current State: 64:[61, 125], Operations: ['83-22=61', '58+67=125'] Exploring Operation: 125-61=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[22, 83, 58, 67], Operations: [] Exploring Operation: 83-67=16, Resulting Numbers: [22, 58, 16] Generated Node #0,0: 64:[22, 58, 16] Operation: 83-67=16 Exploring Operation: 83-22=61, Resulting Numbers: [58, 67, 61] Generated Node #0,1: 64:[58, 67, 61] Operation: 83-22=61 Moving to Node #0,0 Current State: 64:[22, 58, 16], Operations: ['83-67=16'] Exploring Operation: 22-16=6, Resulting Numbers: [58, 6] Generated Node #0,0,0: 64:[58, 6] Operation: 22-16=6 Exploring Operation: 58-22=36, Resulting Numbers: [16, 36] Generated Node #0,0,1: 64:[16, 36] Operation: 58-22=36 Moving to Node #0,1 Current State: 64:[58, 67, 61], Operations: ['83-22=61'] Exploring Operation: 67-58=9, Resulting Numbers: [61, 9] Generated Node #0,1,0: 64:[61, 9] Operation: 67-58=9 Exploring Operation: 61-58=3, Resulting Numbers: [67, 3] Generated Node #0,1,1: 64:[67, 3] Operation: 61-58=3 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 64:[61, 9], Operations: ['83-22=61', '67-58=9'] Exploring Operation: 61+9=70, Resulting Numbers: [70] 70,64 unequal: No Solution Exploring Operation: 61-9=52, Resulting Numbers: [52] 52,64 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: 64:[67, 3], Operations: ['83-22=61', '61-58=3'] Exploring Operation: 67+3=70, Resulting Numbers: [70] 70,64 unequal: No Solution Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[22, 83, 58, 67], Operations: [] Exploring Operation: 83-22=61, Resulting Numbers: [58, 67, 61] Generated Node #0,1: 64:[58, 67, 61] Operation: 83-22=61 Moving to Node #0,1 Current State: 64:[58, 67, 61], Operations: ['83-22=61'] Exploring Operation: 61-58=3, Resulting Numbers: [67, 3] Generated Node #0,1,1: 64:[67, 3] Operation: 61-58=3 Moving to Node #0,1,1 Current State: 64:[67, 3], Operations: ['83-22=61', '61-58=3'] Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_2
mult_heuristic
[ 32, 7, 74, 19 ]
91
[ "74-32=42", "7*19=133", "133-42=91" ]
Current State: 91:[32, 7, 74, 19], Operations: [] Exploring Operation: 74-32=42, Resulting Numbers: [7, 19, 42] Generated Node #2: [7, 19, 42] from Operation: 74-32=42 Current State: 91:[7, 19, 42], Operations: ['74-32=42'] Exploring Operation: 7*19=133, Resulting Numbers: [42, 133] Generated Node #3: [42, 133] from Operation: 7*19=133 Current State: 91:[42, 133], Operations: ['74-32=42', '7*19=133'] Exploring Operation: 133-42=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[32, 7, 74, 19], Operations: [] Exploring Operation: 32+74=106, Resulting Numbers: [7, 19, 106] Generated Node #0,0: 91:[7, 19, 106] Operation: 32+74=106 Exploring Operation: 32-19=13, Resulting Numbers: [7, 74, 13] Generated Node #0,1: 91:[7, 74, 13] Operation: 32-19=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[7, 74, 13], Operations: ['32-19=13'] Exploring Operation: 7+74=81, Resulting Numbers: [13, 81] Generated Node #0,1,0: 91:[13, 81] Operation: 7+74=81 Exploring Operation: 74+13=87, Resulting Numbers: [7, 87] Generated Node #0,1,1: 91:[7, 87] Operation: 74+13=87 Moving to Node #0,1,1 Current State: 91:[7, 87], Operations: ['32-19=13', '74+13=87'] Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,91 unequal: No Solution Exploring Operation: 7+87=94, Resulting Numbers: [94] 94,91 unequal: No Solution Moving to Node #0,1,0 Current State: 91:[13, 81], Operations: ['32-19=13', '7+74=81'] Exploring Operation: 13+81=94, Resulting Numbers: [94] 94,91 unequal: No Solution Exploring Operation: 81-13=68, Resulting Numbers: [68] 68,91 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: 91:[7, 19, 106], Operations: ['32+74=106'] Exploring Operation: 106-7=99, Resulting Numbers: [19, 99] Generated Node #0,0,0: 91:[19, 99] Operation: 106-7=99 Exploring Operation: 106-19=87, Resulting Numbers: [7, 87] Generated Node #0,0,1: 91:[7, 87] Operation: 106-19=87 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 91:[7, 87], Operations: ['32+74=106', '106-19=87'] Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,91 unequal: No Solution Exploring Operation: 7+87=94, Resulting Numbers: [94] 94,91 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: 91:[19, 99], Operations: ['32+74=106', '106-7=99'] Exploring Operation: 99-19=80, Resulting Numbers: [80] 80,91 unequal: No Solution Exploring Operation: 19+99=118, Resulting Numbers: [118] 118,91 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
[ 42, 46, 61, 21 ]
36
[ "46-42=4", "61-21=40", "40-4=36" ]
Current State: 36:[42, 46, 61, 21], Operations: [] Exploring Operation: 46-42=4, Resulting Numbers: [61, 21, 4] Generated Node #2: [61, 21, 4] from Operation: 46-42=4 Current State: 36:[61, 21, 4], Operations: ['46-42=4'] Exploring Operation: 61-21=40, Resulting Numbers: [4, 40] Generated Node #3: [4, 40] from Operation: 61-21=40 Current State: 36:[4, 40], Operations: ['46-42=4', '61-21=40'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[42, 46, 61, 21], Operations: [] Exploring Operation: 61-21=40, Resulting Numbers: [42, 46, 40] Generated Node #0,0: 36:[42, 46, 40] Operation: 61-21=40 Exploring Operation: 46-42=4, Resulting Numbers: [61, 21, 4] Generated Node #0,1: 36:[61, 21, 4] Operation: 46-42=4 Exploring Operation: 61-42=19, Resulting Numbers: [46, 21, 19] Generated Node #0,2: 36:[46, 21, 19] Operation: 61-42=19 Exploring Operation: 61-46=15, Resulting Numbers: [42, 21, 15] Generated Node #0,3: 36:[42, 21, 15] Operation: 61-46=15 Exploring Operation: 42/21=2, Resulting Numbers: [46, 61, 2] Generated Node #0,4: 36:[46, 61, 2] Operation: 42/21=2 Moving to Node #0,3 Current State: 36:[42, 21, 15], Operations: ['61-46=15'] Exploring Operation: 42-21=21, Resulting Numbers: [15, 21] Generated Node #0,3,0: 36:[15, 21] Operation: 42-21=21 Exploring Operation: 42/21=2, Resulting Numbers: [15, 2] Generated Node #0,3,1: 36:[15, 2] Operation: 42/21=2 Exploring Operation: 21+15=36, Resulting Numbers: [42, 36] Generated Node #0,3,2: 36:[42, 36] Operation: 21+15=36 Exploring Operation: 42-15=27, Resulting Numbers: [21, 27] Generated Node #0,3,3: 36:[21, 27] Operation: 42-15=27 Exploring Operation: 21-15=6, Resulting Numbers: [42, 6] Generated Node #0,3,4: 36:[42, 6] Operation: 21-15=6 Moving to Node #0,2 Current State: 36:[46, 21, 19], Operations: ['61-42=19'] Exploring Operation: 46+21=67, Resulting Numbers: [19, 67] Generated Node #0,2,0: 36:[19, 67] Operation: 46+21=67 Exploring Operation: 21+19=40, Resulting Numbers: [46, 40] Generated Node #0,2,1: 36:[46, 40] Operation: 21+19=40 Exploring Operation: 21-19=2, Resulting Numbers: [46, 2] Generated Node #0,2,2: 36:[46, 2] Operation: 21-19=2 Exploring Operation: 46-19=27, Resulting Numbers: [21, 27] Generated Node #0,2,3: 36:[21, 27] Operation: 46-19=27 Exploring Operation: 46-21=25, Resulting Numbers: [19, 25] Generated Node #0,2,4: 36:[19, 25] Operation: 46-21=25 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 36:[19, 25], Operations: ['61-42=19', '46-21=25'] Exploring Operation: 25-19=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 19*25=475, Resulting Numbers: [475] 475,36 unequal: No Solution Exploring Operation: 19+25=44, Resulting Numbers: [44] 44,36 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:[46, 2], Operations: ['61-42=19', '21-19=2'] Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,36 unequal: No Solution Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,36 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,36 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 #0,2,3 Current State: 36:[21, 27], Operations: ['61-42=19', '46-19=27'] Exploring Operation: 21+27=48, Resulting Numbers: [48] 48,36 unequal: No Solution Exploring Operation: 21*27=567, Resulting Numbers: [567] 567,36 unequal: No Solution Exploring Operation: 27-21=6, Resulting Numbers: [6] 6,36 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:[46, 40], Operations: ['61-42=19', '21+19=40'] Exploring Operation: 46*40=1840, Resulting Numbers: [1840] 1840,36 unequal: No Solution Exploring Operation: 46-40=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 46+40=86, Resulting Numbers: [86] 86,36 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 #0,2,0 Current State: 36:[19, 67], Operations: ['61-42=19', '46+21=67'] Exploring Operation: 19+67=86, Resulting Numbers: [86] 86,36 unequal: No Solution Exploring Operation: 67-19=48, Resulting Numbers: [48] 48,36 unequal: No Solution Exploring Operation: 19*67=1273, Resulting Numbers: [1273] 1273,36 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: 36:[42, 46, 40], Operations: ['61-21=40'] Exploring Operation: 46-40=6, Resulting Numbers: [42, 6] Generated Node #0,0,0: 36:[42, 6] Operation: 46-40=6 Exploring Operation: 42+40=82, Resulting Numbers: [46, 82] Generated Node #0,0,1: 36:[46, 82] Operation: 42+40=82 Exploring Operation: 42+46=88, Resulting Numbers: [40, 88] Generated Node #0,0,2: 36:[40, 88] Operation: 42+46=88 Exploring Operation: 42-40=2, Resulting Numbers: [46, 2] Generated Node #0,0,3: 36:[46, 2] Operation: 42-40=2 Exploring Operation: 46-42=4, Resulting Numbers: [40, 4] Generated Node #0,0,4: 36:[40, 4] Operation: 46-42=4 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 36:[40, 4], Operations: ['61-21=40', '46-42=4'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[42, 46, 61, 21], Operations: [] Exploring Operation: 61-21=40, Resulting Numbers: [42, 46, 40] Generated Node #0,0: 36:[42, 46, 40] Operation: 61-21=40 Moving to Node #0,0 Current State: 36:[42, 46, 40], Operations: ['61-21=40'] Exploring Operation: 46-42=4, Resulting Numbers: [40, 4] Generated Node #0,0,4: 36:[40, 4] Operation: 46-42=4 Moving to Node #0,0,4 Current State: 36:[40, 4], Operations: ['61-21=40', '46-42=4'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.963542
hs_5
sum_heuristic
[ 96, 21, 20, 47 ]
50
[ "96+21=117", "20+47=67", "117-67=50" ]
Current State: 50:[96, 21, 20, 47], Operations: [] Exploring Operation: 96+21=117, Resulting Numbers: [20, 47, 117] Generated Node #2: [20, 47, 117] from Operation: 96+21=117 Current State: 50:[20, 47, 117], Operations: ['96+21=117'] Exploring Operation: 20+47=67, Resulting Numbers: [117, 67] Generated Node #3: [117, 67] from Operation: 20+47=67 Current State: 50:[117, 67], Operations: ['96+21=117', '20+47=67'] Exploring Operation: 117-67=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[96, 21, 20, 47], Operations: [] Exploring Operation: 96-20=76, Resulting Numbers: [21, 47, 76] Generated Node #0,0: 50:[21, 47, 76] Operation: 96-20=76 Exploring Operation: 96-47=49, Resulting Numbers: [21, 20, 49] Generated Node #0,1: 50:[21, 20, 49] Operation: 96-47=49 Exploring Operation: 21-20=1, Resulting Numbers: [96, 47, 1] Generated Node #0,2: 50:[96, 47, 1] Operation: 21-20=1 Exploring Operation: 96-21=75, Resulting Numbers: [20, 47, 75] Generated Node #0,3: 50:[20, 47, 75] Operation: 96-21=75 Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[21, 20, 49], Operations: ['96-47=49'] Exploring Operation: 49-21=28, Resulting Numbers: [20, 28] Generated Node #0,1,0: 50:[20, 28] Operation: 49-21=28 Exploring Operation: 21-20=1, Resulting Numbers: [49, 1] Generated Node #0,1,1: 50:[49, 1] Operation: 21-20=1 Exploring Operation: 21+20=41, Resulting Numbers: [49, 41] Generated Node #0,1,2: 50:[49, 41] Operation: 21+20=41 Exploring Operation: 49-20=29, Resulting Numbers: [21, 29] Generated Node #0,1,3: 50:[21, 29] Operation: 49-20=29 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 50:[49, 1], Operations: ['96-47=49', '21-20=1'] Exploring Operation: 49*1=49, Resulting Numbers: [49] 49,50 unequal: No Solution Exploring Operation: 49+1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[96, 21, 20, 47], Operations: [] Exploring Operation: 96-47=49, Resulting Numbers: [21, 20, 49] Generated Node #0,1: 50:[21, 20, 49] Operation: 96-47=49 Moving to Node #0,1 Current State: 50:[21, 20, 49], Operations: ['96-47=49'] Exploring Operation: 21-20=1, Resulting Numbers: [49, 1] Generated Node #0,1,1: 50:[49, 1] Operation: 21-20=1 Moving to Node #0,1,1 Current State: 50:[49, 1], Operations: ['96-47=49', '21-20=1'] Exploring Operation: 49+1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 55, 9, 80, 84 ]
68
[ "55+9=64", "84-80=4", "64+4=68" ]
Current State: 68:[55, 9, 80, 84], Operations: [] Exploring Operation: 55+9=64, Resulting Numbers: [80, 84, 64] Generated Node #2: [80, 84, 64] from Operation: 55+9=64 Current State: 68:[80, 84, 64], Operations: ['55+9=64'] Exploring Operation: 84-80=4, Resulting Numbers: [64, 4] Generated Node #3: [64, 4] from Operation: 84-80=4 Current State: 68:[64, 4], Operations: ['55+9=64', '84-80=4'] Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[55, 9, 80, 84], Operations: [] Exploring Operation: 84-80=4, Resulting Numbers: [55, 9, 4] Generated Node #0,0: 68:[55, 9, 4] Operation: 84-80=4 Exploring Operation: 55+9=64, Resulting Numbers: [80, 84, 64] Generated Node #0,1: 68:[80, 84, 64] Operation: 55+9=64 Exploring Operation: 84-55=29, Resulting Numbers: [9, 80, 29] Generated Node #0,2: 68:[9, 80, 29] Operation: 84-55=29 Exploring Operation: 80-55=25, Resulting Numbers: [9, 84, 25] Generated Node #0,3: 68:[9, 84, 25] Operation: 80-55=25 Moving to Node #0,0 Current State: 68:[55, 9, 4], Operations: ['84-80=4'] Exploring Operation: 9-4=5, Resulting Numbers: [55, 5] Generated Node #0,0,0: 68:[55, 5] Operation: 9-4=5 Exploring Operation: 55-9=46, Resulting Numbers: [4, 46] Generated Node #0,0,1: 68:[4, 46] Operation: 55-9=46 Exploring Operation: 55+4=59, Resulting Numbers: [9, 59] Generated Node #0,0,2: 68:[9, 59] Operation: 55+4=59 Exploring Operation: 55+9=64, Resulting Numbers: [4, 64] Generated Node #0,0,3: 68:[4, 64] Operation: 55+9=64 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 68:[4, 64], Operations: ['84-80=4', '55+9=64'] Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,68 unequal: No Solution Exploring Operation: 4+64=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[55, 9, 80, 84], Operations: [] Exploring Operation: 84-80=4, Resulting Numbers: [55, 9, 4] Generated Node #0,0: 68:[55, 9, 4] Operation: 84-80=4 Moving to Node #0,0 Current State: 68:[55, 9, 4], Operations: ['84-80=4'] Exploring Operation: 55+9=64, Resulting Numbers: [4, 64] Generated Node #0,0,3: 68:[4, 64] Operation: 55+9=64 Moving to Node #0,0,3 Current State: 68:[4, 64], Operations: ['84-80=4', '55+9=64'] Exploring Operation: 4+64=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 76, 9, 31, 62 ]
83
[ "76+9=85", "62/31=2", "85-2=83" ]
Current State: 83:[76, 9, 31, 62], Operations: [] Exploring Operation: 76+9=85, Resulting Numbers: [31, 62, 85] Generated Node #2: [31, 62, 85] from Operation: 76+9=85 Current State: 83:[31, 62, 85], Operations: ['76+9=85'] Exploring Operation: 62/31=2, Resulting Numbers: [85, 2] Generated Node #3: [85, 2] from Operation: 62/31=2 Current State: 83:[85, 2], Operations: ['76+9=85', '62/31=2'] Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[76, 9, 31, 62], Operations: [] Exploring Operation: 9+62=71, Resulting Numbers: [76, 31, 71] Generated Node #0,0: 83:[76, 31, 71] Operation: 9+62=71 Exploring Operation: 9+31=40, Resulting Numbers: [76, 62, 40] Generated Node #0,1: 83:[76, 62, 40] Operation: 9+31=40 Moving to Node #0,0 Current State: 83:[76, 31, 71], Operations: ['9+62=71'] Exploring Operation: 31+71=102, Resulting Numbers: [76, 102] Generated Node #0,0,0: 83:[76, 102] Operation: 31+71=102 Exploring Operation: 76+31=107, Resulting Numbers: [71, 107] Generated Node #0,0,1: 83:[71, 107] Operation: 76+31=107 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[76, 102], Operations: ['9+62=71', '31+71=102'] Exploring Operation: 76+102=178, Resulting Numbers: [178] 178,83 unequal: No Solution Exploring Operation: 102-76=26, Resulting Numbers: [26] 26,83 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 #0,0,1 Current State: 83:[71, 107], Operations: ['9+62=71', '76+31=107'] Exploring Operation: 107-71=36, Resulting Numbers: [36] 36,83 unequal: No Solution Exploring Operation: 71+107=178, Resulting Numbers: [178] 178,83 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: 83:[76, 62, 40], Operations: ['9+31=40'] Exploring Operation: 62+40=102, Resulting Numbers: [76, 102] Generated Node #0,1,0: 83:[76, 102] Operation: 62+40=102 Exploring Operation: 76+40=116, Resulting Numbers: [62, 116] Generated Node #0,1,1: 83:[62, 116] Operation: 76+40=116 Moving to Node #0,1,0 Current State: 83:[76, 102], Operations: ['9+31=40', '62+40=102'] Exploring Operation: 76+102=178, Resulting Numbers: [178] 178,83 unequal: No Solution Exploring Operation: 102-76=26, Resulting Numbers: [26] 26,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[62, 116], Operations: ['9+31=40', '76+40=116'] Exploring Operation: 116-62=54, Resulting Numbers: [54] 54,83 unequal: No Solution Exploring Operation: 62+116=178, Resulting Numbers: [178] 178,83 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 24, 39, 2, 89 ]
98
[ "24*2=48", "89-39=50", "48+50=98" ]
Current State: 98:[24, 39, 2, 89], Operations: [] Exploring Operation: 24*2=48, Resulting Numbers: [39, 89, 48] Generated Node #2: [39, 89, 48] from Operation: 24*2=48 Current State: 98:[39, 89, 48], Operations: ['24*2=48'] Exploring Operation: 89-39=50, Resulting Numbers: [48, 50] Generated Node #3: [48, 50] from Operation: 89-39=50 Current State: 98:[48, 50], Operations: ['24*2=48', '89-39=50'] Exploring Operation: 48+50=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[24, 39, 2, 89], Operations: [] Exploring Operation: 24/2=12, Resulting Numbers: [39, 89, 12] Generated Node #0,0: 98:[39, 89, 12] Operation: 24/2=12 Exploring Operation: 89-39=50, Resulting Numbers: [24, 2, 50] Generated Node #0,1: 98:[24, 2, 50] Operation: 89-39=50 Exploring Operation: 39-24=15, Resulting Numbers: [2, 89, 15] Generated Node #0,2: 98:[2, 89, 15] Operation: 39-24=15 Exploring Operation: 24*2=48, Resulting Numbers: [39, 89, 48] Generated Node #0,3: 98:[39, 89, 48] Operation: 24*2=48 Exploring Operation: 24+39=63, Resulting Numbers: [2, 89, 63] Generated Node #0,4: 98:[2, 89, 63] Operation: 24+39=63 Moving to Node #0,2 Current State: 98:[2, 89, 15], Operations: ['39-24=15'] Exploring Operation: 2+15=17, Resulting Numbers: [89, 17] Generated Node #0,2,0: 98:[89, 17] Operation: 2+15=17 Exploring Operation: 89+15=104, Resulting Numbers: [2, 104] Generated Node #0,2,1: 98:[2, 104] Operation: 89+15=104 Exploring Operation: 89-2=87, Resulting Numbers: [15, 87] Generated Node #0,2,2: 98:[15, 87] Operation: 89-2=87 Exploring Operation: 15-2=13, Resulting Numbers: [89, 13] Generated Node #0,2,3: 98:[89, 13] Operation: 15-2=13 Exploring Operation: 2+89=91, Resulting Numbers: [15, 91] Generated Node #0,2,4: 98:[15, 91] Operation: 2+89=91 Moving to Node #0,1 Current State: 98:[24, 2, 50], Operations: ['89-39=50'] Exploring Operation: 50-24=26, Resulting Numbers: [2, 26] Generated Node #0,1,0: 98:[2, 26] Operation: 50-24=26 Exploring Operation: 50-2=48, Resulting Numbers: [24, 48] Generated Node #0,1,1: 98:[24, 48] Operation: 50-2=48 Exploring Operation: 24/2=12, Resulting Numbers: [50, 12] Generated Node #0,1,2: 98:[50, 12] Operation: 24/2=12 Exploring Operation: 24*2=48, Resulting Numbers: [50, 48] Generated Node #0,1,3: 98:[50, 48] Operation: 24*2=48 Exploring Operation: 24-2=22, Resulting Numbers: [50, 22] Generated Node #0,1,4: 98:[50, 22] Operation: 24-2=22 Moving to Node #0,3 Current State: 98:[39, 89, 48], Operations: ['24*2=48'] Exploring Operation: 39+89=128, Resulting Numbers: [48, 128] Generated Node #0,3,0: 98:[48, 128] Operation: 39+89=128 Exploring Operation: 48-39=9, Resulting Numbers: [89, 9] Generated Node #0,3,1: 98:[89, 9] Operation: 48-39=9 Exploring Operation: 39+48=87, Resulting Numbers: [89, 87] Generated Node #0,3,2: 98:[89, 87] Operation: 39+48=87 Exploring Operation: 89-39=50, Resulting Numbers: [48, 50] Generated Node #0,3,3: 98:[48, 50] Operation: 89-39=50 Exploring Operation: 89-48=41, Resulting Numbers: [39, 41] Generated Node #0,3,4: 98:[39, 41] Operation: 89-48=41 Moving to Node #0,0 Current State: 98:[39, 89, 12], Operations: ['24/2=12'] Exploring Operation: 89-39=50, Resulting Numbers: [12, 50] Generated Node #0,0,0: 98:[12, 50] Operation: 89-39=50 Exploring Operation: 39+12=51, Resulting Numbers: [89, 51] Generated Node #0,0,1: 98:[89, 51] Operation: 39+12=51 Exploring Operation: 89-12=77, Resulting Numbers: [39, 77] Generated Node #0,0,2: 98:[39, 77] Operation: 89-12=77 Exploring Operation: 89+12=101, Resulting Numbers: [39, 101] Generated Node #0,0,3: 98:[39, 101] Operation: 89+12=101 Exploring Operation: 39-12=27, Resulting Numbers: [89, 27] Generated Node #0,0,4: 98:[89, 27] Operation: 39-12=27 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[12, 50], Operations: ['24/2=12', '89-39=50'] Exploring Operation: 12*50=600, Resulting Numbers: [600] 600,98 unequal: No Solution Exploring Operation: 12+50=62, Resulting Numbers: [62] 62,98 unequal: No Solution Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,98 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: 98:[89, 51], Operations: ['24/2=12', '39+12=51'] Exploring Operation: 89-51=38, Resulting Numbers: [38] 38,98 unequal: No Solution Exploring Operation: 89+51=140, Resulting Numbers: [140] 140,98 unequal: No Solution Exploring Operation: 89*51=4539, Resulting Numbers: [4539] 4539,98 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: 98:[39, 101], Operations: ['24/2=12', '89+12=101'] Exploring Operation: 39+101=140, Resulting Numbers: [140] 140,98 unequal: No Solution Exploring Operation: 101-39=62, Resulting Numbers: [62] 62,98 unequal: No Solution Exploring Operation: 39*101=3939, Resulting Numbers: [3939] 3939,98 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: 98:[89, 27], Operations: ['24/2=12', '39-12=27'] Exploring Operation: 89*27=2403, Resulting Numbers: [2403] 2403,98 unequal: No Solution Exploring Operation: 89-27=62, Resulting Numbers: [62] 62,98 unequal: No Solution Exploring Operation: 89+27=116, Resulting Numbers: [116] 116,98 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: 98:[39, 77], Operations: ['24/2=12', '89-12=77'] Exploring Operation: 39+77=116, Resulting Numbers: [116] 116,98 unequal: No Solution Exploring Operation: 39*77=3003, Resulting Numbers: [3003] 3003,98 unequal: No Solution Exploring Operation: 77-39=38, Resulting Numbers: [38] 38,98 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: 98:[2, 89, 63], Operations: ['24+39=63'] Exploring Operation: 89-2=87, Resulting Numbers: [63, 87] Generated Node #0,4,0: 98:[63, 87] Operation: 89-2=87 Exploring Operation: 63-2=61, Resulting Numbers: [89, 61] Generated Node #0,4,1: 98:[89, 61] Operation: 63-2=61 Exploring Operation: 2+63=65, Resulting Numbers: [89, 65] Generated Node #0,4,2: 98:[89, 65] Operation: 2+63=65 Exploring Operation: 89-63=26, Resulting Numbers: [2, 26] Generated Node #0,4,3: 98:[2, 26] Operation: 89-63=26 Exploring Operation: 2+89=91, Resulting Numbers: [63, 91] Generated Node #0,4,4: 98:[63, 91] Operation: 2+89=91 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 98:[2, 26], Operations: ['24+39=63', '89-63=26'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,98 unequal: No Solution Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,98 unequal: No Solution Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,98 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,98 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: 98:[89, 61], Operations: ['24+39=63', '63-2=61'] Exploring Operation: 89-61=28, Resulting Numbers: [28] 28,98 unequal: No Solution Exploring Operation: 89+61=150, Resulting Numbers: [150] 150,98 unequal: No Solution Exploring Operation: 89*61=5429, Resulting Numbers: [5429] 5429,98 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: 98:[63, 91], Operations: ['24+39=63', '2+89=91'] Exploring Operation: 91-63=28, Resulting Numbers: [28] 28,98 unequal: No Solution Exploring Operation: 63+91=154, Resulting Numbers: [154] 154,98 unequal: No Solution Exploring Operation: 63*91=5733, Resulting Numbers: [5733] 5733,98 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: 98:[63, 87], Operations: ['24+39=63', '89-2=87'] Exploring Operation: 63*87=5481, Resulting Numbers: [5481] 5481,98 unequal: No Solution Exploring Operation: 63+87=150, Resulting Numbers: [150] 150,98 unequal: No Solution Exploring Operation: 87-63=24, Resulting Numbers: [24] 24,98 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: 98:[89, 65], Operations: ['24+39=63', '2+63=65'] Exploring Operation: 89*65=5785, Resulting Numbers: [5785] 5785,98 unequal: No Solution Exploring Operation: 89-65=24, Resulting Numbers: [24] 24,98 unequal: No Solution Exploring Operation: 89+65=154, Resulting Numbers: [154] 154,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 98:[50, 48], Operations: ['89-39=50', '24*2=48'] Exploring Operation: 50-48=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 50+48=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[24, 39, 2, 89], Operations: [] Exploring Operation: 89-39=50, Resulting Numbers: [24, 2, 50] Generated Node #0,1: 98:[24, 2, 50] Operation: 89-39=50 Moving to Node #0,1 Current State: 98:[24, 2, 50], Operations: ['89-39=50'] Exploring Operation: 24*2=48, Resulting Numbers: [50, 48] Generated Node #0,1,3: 98:[50, 48] Operation: 24*2=48 Moving to Node #0,1,3 Current State: 98:[50, 48], Operations: ['89-39=50', '24*2=48'] Exploring Operation: 50+48=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
0.94184
hs_5
sum_heuristic
[ 90, 37, 61, 77 ]
11
[ "90+37=127", "61+77=138", "138-127=11" ]
Current State: 11:[90, 37, 61, 77], Operations: [] Exploring Operation: 90+37=127, Resulting Numbers: [61, 77, 127] Generated Node #2: [61, 77, 127] from Operation: 90+37=127 Current State: 11:[61, 77, 127], Operations: ['90+37=127'] Exploring Operation: 61+77=138, Resulting Numbers: [127, 138] Generated Node #3: [127, 138] from Operation: 61+77=138 Current State: 11:[127, 138], Operations: ['90+37=127', '61+77=138'] Exploring Operation: 138-127=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[90, 37, 61, 77], Operations: [] Exploring Operation: 90-61=29, Resulting Numbers: [37, 77, 29] Generated Node #0,0: 11:[37, 77, 29] Operation: 90-61=29 Exploring Operation: 90-77=13, Resulting Numbers: [37, 61, 13] Generated Node #0,1: 11:[37, 61, 13] Operation: 90-77=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[37, 61, 13], Operations: ['90-77=13'] Exploring Operation: 37-13=24, Resulting Numbers: [61, 24] Generated Node #0,1,0: 11:[61, 24] Operation: 37-13=24 Exploring Operation: 61-37=24, Resulting Numbers: [13, 24] Generated Node #0,1,1: 11:[13, 24] Operation: 61-37=24 Moving to Node #0,1,1 Current State: 11:[13, 24], Operations: ['90-77=13', '61-37=24'] Exploring Operation: 13+24=37, Resulting Numbers: [37] 37,11 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[90, 37, 61, 77], Operations: [] Exploring Operation: 90-77=13, Resulting Numbers: [37, 61, 13] Generated Node #0,1: 11:[37, 61, 13] Operation: 90-77=13 Moving to Node #0,1 Current State: 11:[37, 61, 13], Operations: ['90-77=13'] Exploring Operation: 61-37=24, Resulting Numbers: [13, 24] Generated Node #0,1,1: 11:[13, 24] Operation: 61-37=24 Moving to Node #0,1,1 Current State: 11:[13, 24], Operations: ['90-77=13', '61-37=24'] Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 5, 15, 19, 78 ]
32
[ "5*19=95", "78-15=63", "95-63=32" ]
Current State: 32:[5, 15, 19, 78], Operations: [] Exploring Operation: 5*19=95, Resulting Numbers: [15, 78, 95] Generated Node #2: [15, 78, 95] from Operation: 5*19=95 Current State: 32:[15, 78, 95], Operations: ['5*19=95'] Exploring Operation: 78-15=63, Resulting Numbers: [95, 63] Generated Node #3: [95, 63] from Operation: 78-15=63 Current State: 32:[95, 63], Operations: ['5*19=95', '78-15=63'] Exploring Operation: 95-63=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[5, 15, 19, 78], Operations: [] Exploring Operation: 78-19=59, Resulting Numbers: [5, 15, 59] Generated Node #0,0: 32:[5, 15, 59] Operation: 78-19=59 Exploring Operation: 19-15=4, Resulting Numbers: [5, 78, 4] Generated Node #0,1: 32:[5, 78, 4] Operation: 19-15=4 Exploring Operation: 19-5=14, Resulting Numbers: [15, 78, 14] Generated Node #0,2: 32:[15, 78, 14] Operation: 19-5=14 Exploring Operation: 78-15=63, Resulting Numbers: [5, 19, 63] Generated Node #0,3: 32:[5, 19, 63] Operation: 78-15=63 Exploring Operation: 78-5=73, Resulting Numbers: [15, 19, 73] Generated Node #0,4: 32:[15, 19, 73] Operation: 78-5=73 Moving to Node #0,0 Current State: 32:[5, 15, 59], Operations: ['78-19=59'] Exploring Operation: 15/5=3, Resulting Numbers: [59, 3] Generated Node #0,0,0: 32:[59, 3] Operation: 15/5=3 Exploring Operation: 59-5=54, Resulting Numbers: [15, 54] Generated Node #0,0,1: 32:[15, 54] Operation: 59-5=54 Exploring Operation: 59-15=44, Resulting Numbers: [5, 44] Generated Node #0,0,2: 32:[5, 44] Operation: 59-15=44 Exploring Operation: 15-5=10, Resulting Numbers: [59, 10] Generated Node #0,0,3: 32:[59, 10] Operation: 15-5=10 Exploring Operation: 5+15=20, Resulting Numbers: [59, 20] Generated Node #0,0,4: 32:[59, 20] Operation: 5+15=20 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 32:[5, 44], Operations: ['78-19=59', '59-15=44'] Exploring Operation: 5+44=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 5*44=220, Resulting Numbers: [220] 220,32 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: 32:[15, 54], Operations: ['78-19=59', '59-5=54'] Exploring Operation: 15*54=810, Resulting Numbers: [810] 810,32 unequal: No Solution Exploring Operation: 54-15=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 15+54=69, Resulting Numbers: [69] 69,32 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: 32:[59, 3], Operations: ['78-19=59', '15/5=3'] Exploring Operation: 59*3=177, Resulting Numbers: [177] 177,32 unequal: No Solution Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,32 unequal: No Solution Exploring Operation: 59+3=62, Resulting Numbers: [62] 62,32 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: 32:[59, 10], Operations: ['78-19=59', '15-5=10'] Exploring Operation: 59*10=590, Resulting Numbers: [590] 590,32 unequal: No Solution Exploring Operation: 59-10=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 59+10=69, Resulting Numbers: [69] 69,32 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: 32:[59, 20], Operations: ['78-19=59', '5+15=20'] Exploring Operation: 59+20=79, Resulting Numbers: [79] 79,32 unequal: No Solution Exploring Operation: 59-20=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 59*20=1180, Resulting Numbers: [1180] 1180,32 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: 32:[5, 19, 63], Operations: ['78-15=63'] Exploring Operation: 63-5=58, Resulting Numbers: [19, 58] Generated Node #0,3,0: 32:[19, 58] Operation: 63-5=58 Exploring Operation: 19-5=14, Resulting Numbers: [63, 14] Generated Node #0,3,1: 32:[63, 14] Operation: 19-5=14 Exploring Operation: 63-19=44, Resulting Numbers: [5, 44] Generated Node #0,3,2: 32:[5, 44] Operation: 63-19=44 Exploring Operation: 5+63=68, Resulting Numbers: [19, 68] Generated Node #0,3,3: 32:[19, 68] Operation: 5+63=68 Exploring Operation: 5+19=24, Resulting Numbers: [63, 24] Generated Node #0,3,4: 32:[63, 24] Operation: 5+19=24 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 32:[5, 44], Operations: ['78-15=63', '63-19=44'] Exploring Operation: 5+44=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 5*44=220, Resulting Numbers: [220] 220,32 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: 32:[19, 58], Operations: ['78-15=63', '63-5=58'] Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 19*58=1102, Resulting Numbers: [1102] 1102,32 unequal: No Solution Exploring Operation: 19+58=77, Resulting Numbers: [77] 77,32 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: 32:[63, 14], Operations: ['78-15=63', '19-5=14'] Exploring Operation: 63+14=77, Resulting Numbers: [77] 77,32 unequal: No Solution Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 63*14=882, Resulting Numbers: [882] 882,32 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: 32:[19, 68], Operations: ['78-15=63', '5+63=68'] Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 19+68=87, Resulting Numbers: [87] 87,32 unequal: No Solution Exploring Operation: 19*68=1292, Resulting Numbers: [1292] 1292,32 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: 32:[63, 24], Operations: ['78-15=63', '5+19=24'] Exploring Operation: 63-24=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 63+24=87, Resulting Numbers: [87] 87,32 unequal: No Solution Exploring Operation: 63*24=1512, Resulting Numbers: [1512] 1512,32 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: 32:[15, 19, 73], Operations: ['78-5=73'] Exploring Operation: 15+19=34, Resulting Numbers: [73, 34] Generated Node #0,4,0: 32:[73, 34] Operation: 15+19=34 Exploring Operation: 15+73=88, Resulting Numbers: [19, 88] Generated Node #0,4,1: 32:[19, 88] Operation: 15+73=88 Exploring Operation: 19-15=4, Resulting Numbers: [73, 4] Generated Node #0,4,2: 32:[73, 4] Operation: 19-15=4 Exploring Operation: 73-19=54, Resulting Numbers: [15, 54] Generated Node #0,4,3: 32:[15, 54] Operation: 73-19=54 Exploring Operation: 73-15=58, Resulting Numbers: [19, 58] Generated Node #0,4,4: 32:[19, 58] Operation: 73-15=58 Moving to Node #0,1 Current State: 32:[5, 78, 4], Operations: ['19-15=4'] Exploring Operation: 78-5=73, Resulting Numbers: [4, 73] Generated Node #0,1,0: 32:[4, 73] Operation: 78-5=73 Exploring Operation: 5*4=20, Resulting Numbers: [78, 20] Generated Node #0,1,1: 32:[78, 20] Operation: 5*4=20 Exploring Operation: 5-4=1, Resulting Numbers: [78, 1] Generated Node #0,1,2: 32:[78, 1] Operation: 5-4=1 Exploring Operation: 5+4=9, Resulting Numbers: [78, 9] Generated Node #0,1,3: 32:[78, 9] Operation: 5+4=9 Exploring Operation: 78-4=74, Resulting Numbers: [5, 74] Generated Node #0,1,4: 32:[5, 74] Operation: 78-4=74 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 32:[4, 73], Operations: ['19-15=4', '78-5=73'] Exploring Operation: 4+73=77, Resulting Numbers: [77] 77,32 unequal: No Solution Exploring Operation: 4*73=292, Resulting Numbers: [292] 292,32 unequal: No Solution Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,32 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: 32:[5, 74], Operations: ['19-15=4', '78-4=74'] Exploring Operation: 5+74=79, Resulting Numbers: [79] 79,32 unequal: No Solution Exploring Operation: 74-5=69, Resulting Numbers: [69] 69,32 unequal: No Solution Exploring Operation: 5*74=370, Resulting Numbers: [370] 370,32 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: 32:[78, 1], Operations: ['19-15=4', '5-4=1'] Exploring Operation: 78/1=78, Resulting Numbers: [78] 78,32 unequal: No Solution Exploring Operation: 78*1=78, Resulting Numbers: [78] 78,32 unequal: No Solution Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,32 unequal: No Solution Exploring Operation: 78+1=79, Resulting Numbers: [79] 79,32 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: 32:[78, 9], Operations: ['19-15=4', '5+4=9'] Exploring Operation: 78*9=702, Resulting Numbers: [702] 702,32 unequal: No Solution Exploring Operation: 78+9=87, Resulting Numbers: [87] 87,32 unequal: No Solution Exploring Operation: 78-9=69, Resulting Numbers: [69] 69,32 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: 32:[78, 20], Operations: ['19-15=4', '5*4=20'] Exploring Operation: 78*20=1560, Resulting Numbers: [1560] 1560,32 unequal: No Solution Exploring Operation: 78+20=98, Resulting Numbers: [98] 98,32 unequal: No Solution Exploring Operation: 78-20=58, Resulting Numbers: [58] 58,32 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: 32:[15, 78, 14], Operations: ['19-5=14'] Exploring Operation: 78-14=64, Resulting Numbers: [15, 64] Generated Node #0,2,0: 32:[15, 64] Operation: 78-14=64 Exploring Operation: 78+14=92, Resulting Numbers: [15, 92] Generated Node #0,2,1: 32:[15, 92] Operation: 78+14=92 Exploring Operation: 15-14=1, Resulting Numbers: [78, 1] Generated Node #0,2,2: 32:[78, 1] Operation: 15-14=1 Exploring Operation: 15+14=29, Resulting Numbers: [78, 29] Generated Node #0,2,3: 32:[78, 29] Operation: 15+14=29 Exploring Operation: 78-15=63, Resulting Numbers: [14, 63] Generated Node #0,2,4: 32:[14, 63] Operation: 78-15=63 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 32:[15, 64], Operations: ['19-5=14', '78-14=64'] Exploring Operation: 64-15=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 15*64=960, Resulting Numbers: [960] 960,32 unequal: No Solution Exploring Operation: 15+64=79, Resulting Numbers: [79] 79,32 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: 32:[14, 63], Operations: ['19-5=14', '78-15=63'] Exploring Operation: 14*63=882, Resulting Numbers: [882] 882,32 unequal: No Solution Exploring Operation: 14+63=77, Resulting Numbers: [77] 77,32 unequal: No Solution Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,32 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: 32:[78, 1], Operations: ['19-5=14', '15-14=1'] Exploring Operation: 78*1=78, Resulting Numbers: [78] 78,32 unequal: No Solution Exploring Operation: 78/1=78, Resulting Numbers: [78] 78,32 unequal: No Solution Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,32 unequal: No Solution Exploring Operation: 78+1=79, Resulting Numbers: [79] 79,32 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: 32:[78, 29], Operations: ['19-5=14', '15+14=29'] Exploring Operation: 78+29=107, Resulting Numbers: [107] 107,32 unequal: No Solution Exploring Operation: 78*29=2262, Resulting Numbers: [2262] 2262,32 unequal: No Solution Exploring Operation: 78-29=49, Resulting Numbers: [49] 49,32 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: 32:[15, 92], Operations: ['19-5=14', '78+14=92'] Exploring Operation: 15+92=107, Resulting Numbers: [107] 107,32 unequal: No Solution Exploring Operation: 92-15=77, Resulting Numbers: [77] 77,32 unequal: No Solution Exploring Operation: 15*92=1380, Resulting Numbers: [1380] 1380,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,3 Current State: 32:[15, 54], Operations: ['78-5=73', '73-19=54'] Exploring Operation: 15*54=810, Resulting Numbers: [810] 810,32 unequal: No Solution Exploring Operation: 54-15=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 15+54=69, Resulting Numbers: [69] 69,32 unequal: No Solution Moving to Node #0,4,4 Current State: 32:[19, 58], Operations: ['78-5=73', '73-15=58'] Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 19*58=1102, Resulting Numbers: [1102] 1102,32 unequal: No Solution Exploring Operation: 19+58=77, Resulting Numbers: [77] 77,32 unequal: No Solution Moving to Node #0,4,2 Current State: 32:[73, 4], Operations: ['78-5=73', '19-15=4'] Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,32 unequal: No Solution Exploring Operation: 73+4=77, Resulting Numbers: [77] 77,32 unequal: No Solution Exploring Operation: 73*4=292, Resulting Numbers: [292] 292,32 unequal: No Solution Moving to Node #0,4,0 Current State: 32:[73, 34], Operations: ['78-5=73', '15+19=34'] Exploring Operation: 73*34=2482, Resulting Numbers: [2482] 2482,32 unequal: No Solution Exploring Operation: 73+34=107, Resulting Numbers: [107] 107,32 unequal: No Solution Exploring Operation: 73-34=39, Resulting Numbers: [39] 39,32 unequal: No Solution Moving to Node #0,4,1 Current State: 32:[19, 88], Operations: ['78-5=73', '15+73=88'] Exploring Operation: 19+88=107, Resulting Numbers: [107] 107,32 unequal: No Solution Exploring Operation: 19*88=1672, Resulting Numbers: [1672] 1672,32 unequal: No Solution Exploring Operation: 88-19=69, Resulting Numbers: [69] 69,32 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 85, 18, 17, 55 ]
81
[ "17+55=72", "72/18=4", "85-4=81" ]
Current State: 81:[85, 18, 17, 55], Operations: [] Exploring Operation: 17+55=72, Resulting Numbers: [85, 18, 72] Generated Node #2: [85, 18, 72] from Operation: 17+55=72 Current State: 81:[85, 18, 72], Operations: ['17+55=72'] Exploring Operation: 72/18=4, Resulting Numbers: [85, 4] Generated Node #3: [85, 4] from Operation: 72/18=4 Current State: 81:[85, 4], Operations: ['17+55=72', '72/18=4'] Exploring Operation: 85-4=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[85, 18, 17, 55], Operations: [] Exploring Operation: 85-55=30, Resulting Numbers: [18, 17, 30] Generated Node #0,0: 81:[18, 17, 30] Operation: 85-55=30 Exploring Operation: 18+55=73, Resulting Numbers: [85, 17, 73] Generated Node #0,1: 81:[85, 17, 73] Operation: 18+55=73 Moving to Node #0,0 Current State: 81:[18, 17, 30], Operations: ['85-55=30'] Exploring Operation: 18+17=35, Resulting Numbers: [30, 35] Generated Node #0,0,0: 81:[30, 35] Operation: 18+17=35 Exploring Operation: 18-17=1, Resulting Numbers: [30, 1] Generated Node #0,0,1: 81:[30, 1] Operation: 18-17=1 Moving to Node #0,1 Current State: 81:[85, 17, 73], Operations: ['18+55=73'] Exploring Operation: 85/17=5, Resulting Numbers: [73, 5] Generated Node #0,1,0: 81:[73, 5] Operation: 85/17=5 Exploring Operation: 85-73=12, Resulting Numbers: [17, 12] Generated Node #0,1,1: 81:[17, 12] Operation: 85-73=12 Moving to Node #0,0,1 Current State: 81:[30, 1], Operations: ['85-55=30', '18-17=1'] Exploring Operation: 30-1=29, Resulting Numbers: [29] 29,81 unequal: No Solution Exploring Operation: 30*1=30, Resulting Numbers: [30] 30,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[73, 5], Operations: ['18+55=73', '85/17=5'] Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,81 unequal: No Solution Exploring Operation: 73+5=78, Resulting Numbers: [78] 78,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[30, 35], Operations: ['85-55=30', '18+17=35'] Exploring Operation: 30+35=65, Resulting Numbers: [65] 65,81 unequal: No Solution Exploring Operation: 35-30=5, Resulting Numbers: [5] 5,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[17, 12], Operations: ['18+55=73', '85-73=12'] Exploring Operation: 17+12=29, Resulting Numbers: [29] 29,81 unequal: No Solution Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,81 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 40, 35, 5, 44 ]
33
[ "35-5=30", "44*30=1320", "1320/40=33" ]
Current State: 33:[40, 35, 5, 44], Operations: [] Exploring Operation: 35-5=30, Resulting Numbers: [40, 44, 30] Generated Node #2: [40, 44, 30] from Operation: 35-5=30 Current State: 33:[40, 44, 30], Operations: ['35-5=30'] Exploring Operation: 44*30=1320, Resulting Numbers: [40, 1320] Generated Node #3: [40, 1320] from Operation: 44*30=1320 Current State: 33:[40, 1320], Operations: ['35-5=30', '44*30=1320'] Exploring Operation: 1320/40=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[40, 35, 5, 44], Operations: [] Exploring Operation: 40-5=35, Resulting Numbers: [35, 44, 35] Generated Node #0,0: 33:[35, 44, 35] Operation: 40-5=35 Exploring Operation: 44-40=4, Resulting Numbers: [35, 5, 4] Generated Node #0,1: 33:[35, 5, 4] Operation: 44-40=4 Exploring Operation: 44-35=9, Resulting Numbers: [40, 5, 9] Generated Node #0,2: 33:[40, 5, 9] Operation: 44-35=9 Exploring Operation: 40-35=5, Resulting Numbers: [5, 44, 5] Generated Node #0,3: 33:[5, 44, 5] Operation: 40-35=5 Moving to Node #0,1 Current State: 33:[35, 5, 4], Operations: ['44-40=4'] Exploring Operation: 5-4=1, Resulting Numbers: [35, 1] Generated Node #0,1,0: 33:[35, 1] Operation: 5-4=1 Exploring Operation: 5+4=9, Resulting Numbers: [35, 9] Generated Node #0,1,1: 33:[35, 9] Operation: 5+4=9 Exploring Operation: 35-5=30, Resulting Numbers: [4, 30] Generated Node #0,1,2: 33:[4, 30] Operation: 35-5=30 Exploring Operation: 35-4=31, Resulting Numbers: [5, 31] Generated Node #0,1,3: 33:[5, 31] Operation: 35-4=31 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 33:[35, 1], Operations: ['44-40=4', '5-4=1'] Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,33 unequal: No Solution Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,33 unequal: No Solution Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,33 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: 33:[35, 9], Operations: ['44-40=4', '5+4=9'] Exploring Operation: 35+9=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 35*9=315, Resulting Numbers: [315] 315,33 unequal: No Solution Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,33 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: 33:[4, 30], Operations: ['44-40=4', '35-5=30'] Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,33 unequal: No Solution Exploring Operation: 4*30=120, Resulting Numbers: [120] 120,33 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: 33:[5, 31], Operations: ['44-40=4', '35-4=31'] Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,33 unequal: No Solution Exploring Operation: 5+31=36, Resulting Numbers: [36] 36,33 unequal: No Solution Exploring Operation: 5*31=155, Resulting Numbers: [155] 155,33 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: 33:[40, 5, 9], Operations: ['44-35=9'] Exploring Operation: 40-5=35, Resulting Numbers: [9, 35] Generated Node #0,2,0: 33:[9, 35] Operation: 40-5=35 Exploring Operation: 40-9=31, Resulting Numbers: [5, 31] Generated Node #0,2,1: 33:[5, 31] Operation: 40-9=31 Exploring Operation: 9-5=4, Resulting Numbers: [40, 4] Generated Node #0,2,2: 33:[40, 4] Operation: 9-5=4 Exploring Operation: 40/5=8, Resulting Numbers: [9, 8] Generated Node #0,2,3: 33:[9, 8] Operation: 40/5=8 Moving to Node #0,3 Current State: 33:[5, 44, 5], Operations: ['40-35=5'] Exploring Operation: 5+5=10, Resulting Numbers: [44, 10] Generated Node #0,3,0: 33:[44, 10] Operation: 5+5=10 Exploring Operation: 44-5=39, Resulting Numbers: [5, 39] Generated Node #0,3,1: 33:[5, 39] Operation: 44-5=39 Exploring Operation: 5/5=1, Resulting Numbers: [44, 1] Generated Node #0,3,2: 33:[44, 1] Operation: 5/5=1 Exploring Operation: 44-5=39, Resulting Numbers: [5, 39] Generated Node #0,3,3: 33:[5, 39] Operation: 44-5=39 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 33:[5, 39], Operations: ['40-35=5', '44-5=39'] Exploring Operation: 5*39=195, Resulting Numbers: [195] 195,33 unequal: No Solution Exploring Operation: 5+39=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,33 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: 33:[5, 39], Operations: ['40-35=5', '44-5=39'] Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 5+39=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 5*39=195, Resulting Numbers: [195] 195,33 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: 33:[44, 10], Operations: ['40-35=5', '5+5=10'] Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,33 unequal: No Solution Exploring Operation: 44*10=440, Resulting Numbers: [440] 440,33 unequal: No Solution Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,33 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: 33:[44, 1], Operations: ['40-35=5', '5/5=1'] Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 44*1=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,33 unequal: No Solution Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,33 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: 33:[35, 44, 35], Operations: ['40-5=35'] Exploring Operation: 35-35=0, Resulting Numbers: [44, 0] Generated Node #0,0,0: 33:[44, 0] Operation: 35-35=0 Exploring Operation: 35/35=1, Resulting Numbers: [44, 1] Generated Node #0,0,1: 33:[44, 1] Operation: 35/35=1 Exploring Operation: 44-35=9, Resulting Numbers: [35, 9] Generated Node #0,0,2: 33:[35, 9] Operation: 44-35=9 Exploring Operation: 44-35=9, Resulting Numbers: [35, 9] Generated Node #0,0,3: 33:[35, 9] Operation: 44-35=9 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 33:[35, 9], Operations: ['40-5=35', '44-35=9'] Exploring Operation: 35*9=315, Resulting Numbers: [315] 315,33 unequal: No Solution Exploring Operation: 35+9=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,33 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: 33:[35, 9], Operations: ['40-5=35', '44-35=9'] Exploring Operation: 35*9=315, Resulting Numbers: [315] 315,33 unequal: No Solution Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,33 unequal: No Solution Exploring Operation: 35+9=44, Resulting Numbers: [44] 44,33 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: 33:[44, 1], Operations: ['40-5=35', '35/35=1'] Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,33 unequal: No Solution Exploring Operation: 44*1=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,33 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: 33:[44, 0], Operations: ['40-5=35', '35-35=0'] Exploring Operation: 44+0=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 44-0=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 44*0=0, Resulting Numbers: [0] 0,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 33:[9, 35], Operations: ['44-35=9', '40-5=35'] Exploring Operation: 9+35=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,33 unequal: No Solution Exploring Operation: 9*35=315, Resulting Numbers: [315] 315,33 unequal: No Solution Moving to Node #0,2,1 Current State: 33:[5, 31], Operations: ['44-35=9', '40-9=31'] Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,33 unequal: No Solution Exploring Operation: 5+31=36, Resulting Numbers: [36] 36,33 unequal: No Solution Exploring Operation: 5*31=155, Resulting Numbers: [155] 155,33 unequal: No Solution Moving to Node #0,2,3 Current State: 33:[9, 8], Operations: ['44-35=9', '40/5=8'] Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,33 unequal: No Solution Moving to Node #0,2,2 Current State: 33:[40, 4], Operations: ['44-35=9', '9-5=4'] Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 40*4=160, Resulting Numbers: [160] 160,33 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,33 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,33 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 2, 24, 94, 46 ]
59
[ "24+46=70", "70/2=35", "94-35=59" ]
Current State: 59:[2, 24, 94, 46], Operations: [] Exploring Operation: 24+46=70, Resulting Numbers: [2, 94, 70] Generated Node #2: [2, 94, 70] from Operation: 24+46=70 Current State: 59:[2, 94, 70], Operations: ['24+46=70'] Exploring Operation: 70/2=35, Resulting Numbers: [94, 35] Generated Node #3: [94, 35] from Operation: 70/2=35 Current State: 59:[94, 35], Operations: ['24+46=70', '70/2=35'] Exploring Operation: 94-35=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[2, 24, 94, 46], Operations: [] Exploring Operation: 2*24=48, Resulting Numbers: [94, 46, 48] Generated Node #0,0: 59:[94, 46, 48] Operation: 2*24=48 Exploring Operation: 2+24=26, Resulting Numbers: [94, 46, 26] Generated Node #0,1: 59:[94, 46, 26] Operation: 2+24=26 Exploring Operation: 94-2=92, Resulting Numbers: [24, 46, 92] Generated Node #0,2: 59:[24, 46, 92] Operation: 94-2=92 Exploring Operation: 94/2=47, Resulting Numbers: [24, 46, 47] Generated Node #0,3: 59:[24, 46, 47] Operation: 94/2=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[94, 46, 48], Operations: ['2*24=48'] Exploring Operation: 94-48=46, Resulting Numbers: [46, 46] Generated Node #0,0,0: 59:[46, 46] Operation: 94-48=46 Exploring Operation: 94+46=140, Resulting Numbers: [48, 140] Generated Node #0,0,1: 59:[48, 140] Operation: 94+46=140 Exploring Operation: 94-46=48, Resulting Numbers: [48, 48] Generated Node #0,0,2: 59:[48, 48] Operation: 94-46=48 Exploring Operation: 46+48=94, Resulting Numbers: [94, 94] Generated Node #0,0,3: 59:[94, 94] Operation: 46+48=94 Moving to Node #0,0,2 Current State: 59:[48, 48], Operations: ['2*24=48', '94-46=48'] Exploring Operation: 48+48=96, Resulting Numbers: [96] 96,59 unequal: No Solution Exploring Operation: 48*48=2304, Resulting Numbers: [2304] 2304,59 unequal: No Solution Exploring Operation: 48-48=0, Resulting Numbers: [0] 0,59 unequal: No Solution Exploring Operation: 48/48=1, Resulting Numbers: [1] 1,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[46, 46], Operations: ['2*24=48', '94-48=46'] Exploring Operation: 46/46=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 46*46=2116, Resulting Numbers: [2116] 2116,59 unequal: No Solution Exploring Operation: 46+46=92, Resulting Numbers: [92] 92,59 unequal: No Solution Exploring Operation: 46-46=0, Resulting Numbers: [0] 0,59 unequal: No Solution Moving to Node #0,0,3 Current State: 59:[94, 94], Operations: ['2*24=48', '46+48=94'] Exploring Operation: 94-94=0, Resulting Numbers: [0] 0,59 unequal: No Solution Exploring Operation: 94/94=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 94+94=188, Resulting Numbers: [188] 188,59 unequal: No Solution Exploring Operation: 94*94=8836, Resulting Numbers: [8836] 8836,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[48, 140], Operations: ['2*24=48', '94+46=140'] Exploring Operation: 48+140=188, Resulting Numbers: [188] 188,59 unequal: No Solution Exploring Operation: 48*140=6720, Resulting Numbers: [6720] 6720,59 unequal: No Solution Exploring Operation: 140-48=92, Resulting Numbers: [92] 92,59 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: 59:[24, 46, 47], Operations: ['94/2=47'] Exploring Operation: 47-24=23, Resulting Numbers: [46, 23] Generated Node #0,3,0: 59:[46, 23] Operation: 47-24=23 Exploring Operation: 46-24=22, Resulting Numbers: [47, 22] Generated Node #0,3,1: 59:[47, 22] Operation: 46-24=22 Exploring Operation: 24+46=70, Resulting Numbers: [47, 70] Generated Node #0,3,2: 59:[47, 70] Operation: 24+46=70 Exploring Operation: 24+47=71, Resulting Numbers: [46, 71] Generated Node #0,3,3: 59:[46, 71] Operation: 24+47=71 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 59:[47, 70], Operations: ['94/2=47', '24+46=70'] Exploring Operation: 47*70=3290, Resulting Numbers: [3290] 3290,59 unequal: No Solution Exploring Operation: 47+70=117, Resulting Numbers: [117] 117,59 unequal: No Solution Exploring Operation: 70-47=23, Resulting Numbers: [23] 23,59 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: 59:[46, 71], Operations: ['94/2=47', '24+47=71'] Exploring Operation: 46*71=3266, Resulting Numbers: [3266] 3266,59 unequal: No Solution Exploring Operation: 71-46=25, Resulting Numbers: [25] 25,59 unequal: No Solution Exploring Operation: 46+71=117, Resulting Numbers: [117] 117,59 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: 59:[46, 23], Operations: ['94/2=47', '47-24=23'] Exploring Operation: 46*23=1058, Resulting Numbers: [1058] 1058,59 unequal: No Solution Exploring Operation: 46+23=69, Resulting Numbers: [69] 69,59 unequal: No Solution Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,59 unequal: No Solution Exploring Operation: 46/23=2, Resulting Numbers: [2] 2,59 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: 59:[47, 22], Operations: ['94/2=47', '46-24=22'] Exploring Operation: 47+22=69, Resulting Numbers: [69] 69,59 unequal: No Solution Exploring Operation: 47-22=25, Resulting Numbers: [25] 25,59 unequal: No Solution Exploring Operation: 47*22=1034, Resulting Numbers: [1034] 1034,59 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: 59:[94, 46, 26], Operations: ['2+24=26'] Exploring Operation: 46+26=72, Resulting Numbers: [94, 72] Generated Node #0,1,0: 59:[94, 72] Operation: 46+26=72 Exploring Operation: 94-26=68, Resulting Numbers: [46, 68] Generated Node #0,1,1: 59:[46, 68] Operation: 94-26=68 Exploring Operation: 94+26=120, Resulting Numbers: [46, 120] Generated Node #0,1,2: 59:[46, 120] Operation: 94+26=120 Exploring Operation: 94-46=48, Resulting Numbers: [26, 48] Generated Node #0,1,3: 59:[26, 48] Operation: 94-46=48 Moving to Node #0,1,1 Current State: 59:[46, 68], Operations: ['2+24=26', '94-26=68'] Exploring Operation: 68-46=22, Resulting Numbers: [22] 22,59 unequal: No Solution Exploring Operation: 46*68=3128, Resulting Numbers: [3128] 3128,59 unequal: No Solution Exploring Operation: 46+68=114, Resulting Numbers: [114] 114,59 unequal: No Solution Moving to Node #0,1,3 Current State: 59:[26, 48], Operations: ['2+24=26', '94-46=48'] Exploring Operation: 26*48=1248, Resulting Numbers: [1248] 1248,59 unequal: No Solution Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,59 unequal: No Solution Exploring Operation: 26+48=74, Resulting Numbers: [74] 74,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[94, 72], Operations: ['2+24=26', '46+26=72'] Exploring Operation: 94-72=22, Resulting Numbers: [22] 22,59 unequal: No Solution Exploring Operation: 94+72=166, Resulting Numbers: [166] 166,59 unequal: No Solution Exploring Operation: 94*72=6768, Resulting Numbers: [6768] 6768,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[46, 120], Operations: ['2+24=26', '94+26=120'] Exploring Operation: 46+120=166, Resulting Numbers: [166] 166,59 unequal: No Solution Exploring Operation: 120-46=74, Resulting Numbers: [74] 74,59 unequal: No Solution Exploring Operation: 46*120=5520, Resulting Numbers: [5520] 5520,59 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: 59:[24, 46, 92], Operations: ['94-2=92'] Exploring Operation: 92-46=46, Resulting Numbers: [24, 46] Generated Node #0,2,0: 59:[24, 46] Operation: 92-46=46 Exploring Operation: 24+46=70, Resulting Numbers: [92, 70] Generated Node #0,2,1: 59:[92, 70] Operation: 24+46=70 Exploring Operation: 92-24=68, Resulting Numbers: [46, 68] Generated Node #0,2,2: 59:[46, 68] Operation: 92-24=68 Exploring Operation: 46-24=22, Resulting Numbers: [92, 22] Generated Node #0,2,3: 59:[92, 22] Operation: 46-24=22 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 59:[46, 68], Operations: ['94-2=92', '92-24=68'] Exploring Operation: 46+68=114, Resulting Numbers: [114] 114,59 unequal: No Solution Exploring Operation: 68-46=22, Resulting Numbers: [22] 22,59 unequal: No Solution Exploring Operation: 46*68=3128, Resulting Numbers: [3128] 3128,59 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: 59:[92, 70], Operations: ['94-2=92', '24+46=70'] Exploring Operation: 92+70=162, Resulting Numbers: [162] 162,59 unequal: No Solution Exploring Operation: 92-70=22, Resulting Numbers: [22] 22,59 unequal: No Solution Exploring Operation: 92*70=6440, Resulting Numbers: [6440] 6440,59 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: 59:[24, 46], Operations: ['94-2=92', '92-46=46'] Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,59 unequal: No Solution Exploring Operation: 24+46=70, Resulting Numbers: [70] 70,59 unequal: No Solution Exploring Operation: 24*46=1104, Resulting Numbers: [1104] 1104,59 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: 59:[92, 22], Operations: ['94-2=92', '46-24=22'] Exploring Operation: 92+22=114, Resulting Numbers: [114] 114,59 unequal: No Solution Exploring Operation: 92-22=70, Resulting Numbers: [70] 70,59 unequal: No Solution Exploring Operation: 92*22=2024, Resulting Numbers: [2024] 2024,59 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
[ 14, 19, 47, 93 ]
28
[ "19-14=5", "47+93=140", "140/5=28" ]
Current State: 28:[14, 19, 47, 93], Operations: [] Exploring Operation: 19-14=5, Resulting Numbers: [47, 93, 5] Generated Node #2: [47, 93, 5] from Operation: 19-14=5 Current State: 28:[47, 93, 5], Operations: ['19-14=5'] Exploring Operation: 47+93=140, Resulting Numbers: [5, 140] Generated Node #3: [5, 140] from Operation: 47+93=140 Current State: 28:[5, 140], Operations: ['19-14=5', '47+93=140'] Exploring Operation: 140/5=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[14, 19, 47, 93], Operations: [] Exploring Operation: 93-47=46, Resulting Numbers: [14, 19, 46] Generated Node #0,0: 28:[14, 19, 46] Operation: 93-47=46 Exploring Operation: 47-19=28, Resulting Numbers: [14, 93, 28] Generated Node #0,1: 28:[14, 93, 28] Operation: 47-19=28 Exploring Operation: 47-14=33, Resulting Numbers: [19, 93, 33] Generated Node #0,2: 28:[19, 93, 33] Operation: 47-14=33 Exploring Operation: 93-19=74, Resulting Numbers: [14, 47, 74] Generated Node #0,3: 28:[14, 47, 74] Operation: 93-19=74 Exploring Operation: 93-14=79, Resulting Numbers: [19, 47, 79] Generated Node #0,4: 28:[19, 47, 79] Operation: 93-14=79 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[14, 19, 46], Operations: ['93-47=46'] Exploring Operation: 14+46=60, Resulting Numbers: [19, 60] Generated Node #0,0,0: 28:[19, 60] Operation: 14+46=60 Exploring Operation: 46-14=32, Resulting Numbers: [19, 32] Generated Node #0,0,1: 28:[19, 32] Operation: 46-14=32 Exploring Operation: 19-14=5, Resulting Numbers: [46, 5] Generated Node #0,0,2: 28:[46, 5] Operation: 19-14=5 Exploring Operation: 46-19=27, Resulting Numbers: [14, 27] Generated Node #0,0,3: 28:[14, 27] Operation: 46-19=27 Exploring Operation: 14+19=33, Resulting Numbers: [46, 33] Generated Node #0,0,4: 28:[46, 33] Operation: 14+19=33 Moving to Node #0,0,3 Current State: 28:[14, 27], Operations: ['93-47=46', '46-19=27'] Exploring Operation: 14*27=378, Resulting Numbers: [378] 378,28 unequal: No Solution Exploring Operation: 14+27=41, Resulting Numbers: [41] 41,28 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[19, 32], Operations: ['93-47=46', '46-14=32'] Exploring Operation: 19+32=51, Resulting Numbers: [51] 51,28 unequal: No Solution Exploring Operation: 32-19=13, Resulting Numbers: [13] 13,28 unequal: No Solution Exploring Operation: 19*32=608, Resulting Numbers: [608] 608,28 unequal: No Solution Moving to Node #0,0,2 Current State: 28:[46, 5], Operations: ['93-47=46', '19-14=5'] Exploring Operation: 46*5=230, Resulting Numbers: [230] 230,28 unequal: No Solution Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,28 unequal: No Solution Exploring Operation: 46+5=51, Resulting Numbers: [51] 51,28 unequal: No Solution Moving to Node #0,0,4 Current State: 28:[46, 33], Operations: ['93-47=46', '14+19=33'] Exploring Operation: 46*33=1518, Resulting Numbers: [1518] 1518,28 unequal: No Solution Exploring Operation: 46-33=13, Resulting Numbers: [13] 13,28 unequal: No Solution Exploring Operation: 46+33=79, Resulting Numbers: [79] 79,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[19, 60], Operations: ['93-47=46', '14+46=60'] Exploring Operation: 60-19=41, Resulting Numbers: [41] 41,28 unequal: No Solution Exploring Operation: 19+60=79, Resulting Numbers: [79] 79,28 unequal: No Solution Exploring Operation: 19*60=1140, Resulting Numbers: [1140] 1140,28 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 Current State: 28:[14, 93, 28], Operations: ['47-19=28'] Exploring Operation: 28-14=14, Resulting Numbers: [93, 14] Generated Node #0,1,0: 28:[93, 14] Operation: 28-14=14 Exploring Operation: 93-28=65, Resulting Numbers: [14, 65] Generated Node #0,1,1: 28:[14, 65] Operation: 93-28=65 Exploring Operation: 93-14=79, Resulting Numbers: [28, 79] Generated Node #0,1,2: 28:[28, 79] Operation: 93-14=79 Exploring Operation: 14+93=107, Resulting Numbers: [28, 107] Generated Node #0,1,3: 28:[28, 107] Operation: 14+93=107 Exploring Operation: 28/14=2, Resulting Numbers: [93, 2] Generated Node #0,1,4: 28:[93, 2] Operation: 28/14=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 28:[14, 65], Operations: ['47-19=28', '93-28=65'] Exploring Operation: 14*65=910, Resulting Numbers: [910] 910,28 unequal: No Solution Exploring Operation: 14+65=79, Resulting Numbers: [79] 79,28 unequal: No Solution Exploring Operation: 65-14=51, Resulting Numbers: [51] 51,28 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: 28:[28, 79], Operations: ['47-19=28', '93-14=79'] Exploring Operation: 28*79=2212, Resulting Numbers: [2212] 2212,28 unequal: No Solution Exploring Operation: 79-28=51, Resulting Numbers: [51] 51,28 unequal: No Solution Exploring Operation: 28+79=107, Resulting Numbers: [107] 107,28 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: 28:[93, 14], Operations: ['47-19=28', '28-14=14'] Exploring Operation: 93-14=79, Resulting Numbers: [79] 79,28 unequal: No Solution Exploring Operation: 93*14=1302, Resulting Numbers: [1302] 1302,28 unequal: No Solution Exploring Operation: 93+14=107, Resulting Numbers: [107] 107,28 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: 28:[93, 2], Operations: ['47-19=28', '28/14=2'] Exploring Operation: 93-2=91, Resulting Numbers: [91] 91,28 unequal: No Solution Exploring Operation: 93*2=186, Resulting Numbers: [186] 186,28 unequal: No Solution Exploring Operation: 93+2=95, Resulting Numbers: [95] 95,28 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: 28:[28, 107], Operations: ['47-19=28', '14+93=107'] Exploring Operation: 28*107=2996, Resulting Numbers: [2996] 2996,28 unequal: No Solution Exploring Operation: 107-28=79, Resulting Numbers: [79] 79,28 unequal: No Solution Exploring Operation: 28+107=135, Resulting Numbers: [135] 135,28 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: 28:[14, 47, 74], Operations: ['93-19=74'] Exploring Operation: 14+74=88, Resulting Numbers: [47, 88] Generated Node #0,3,0: 28:[47, 88] Operation: 14+74=88 Exploring Operation: 47-14=33, Resulting Numbers: [74, 33] Generated Node #0,3,1: 28:[74, 33] Operation: 47-14=33 Exploring Operation: 74-47=27, Resulting Numbers: [14, 27] Generated Node #0,3,2: 28:[14, 27] Operation: 74-47=27 Exploring Operation: 14+47=61, Resulting Numbers: [74, 61] Generated Node #0,3,3: 28:[74, 61] Operation: 14+47=61 Exploring Operation: 74-14=60, Resulting Numbers: [47, 60] Generated Node #0,3,4: 28:[47, 60] Operation: 74-14=60 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 28:[14, 27], Operations: ['93-19=74', '74-47=27'] Exploring Operation: 14+27=41, Resulting Numbers: [41] 41,28 unequal: No Solution Exploring Operation: 14*27=378, Resulting Numbers: [378] 378,28 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,28 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: 28:[74, 33], Operations: ['93-19=74', '47-14=33'] Exploring Operation: 74*33=2442, Resulting Numbers: [2442] 2442,28 unequal: No Solution Exploring Operation: 74+33=107, Resulting Numbers: [107] 107,28 unequal: No Solution Exploring Operation: 74-33=41, Resulting Numbers: [41] 41,28 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: 28:[47, 60], Operations: ['93-19=74', '74-14=60'] Exploring Operation: 60-47=13, Resulting Numbers: [13] 13,28 unequal: No Solution Exploring Operation: 47+60=107, Resulting Numbers: [107] 107,28 unequal: No Solution Exploring Operation: 47*60=2820, Resulting Numbers: [2820] 2820,28 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: 28:[47, 88], Operations: ['93-19=74', '14+74=88'] Exploring Operation: 47+88=135, Resulting Numbers: [135] 135,28 unequal: No Solution Exploring Operation: 47*88=4136, Resulting Numbers: [4136] 4136,28 unequal: No Solution Exploring Operation: 88-47=41, Resulting Numbers: [41] 41,28 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: 28:[74, 61], Operations: ['93-19=74', '14+47=61'] Exploring Operation: 74*61=4514, Resulting Numbers: [4514] 4514,28 unequal: No Solution Exploring Operation: 74+61=135, Resulting Numbers: [135] 135,28 unequal: No Solution Exploring Operation: 74-61=13, Resulting Numbers: [13] 13,28 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: 28:[19, 93, 33], Operations: ['47-14=33'] Exploring Operation: 19+33=52, Resulting Numbers: [93, 52] Generated Node #0,2,0: 28:[93, 52] Operation: 19+33=52 Exploring Operation: 33-19=14, Resulting Numbers: [93, 14] Generated Node #0,2,1: 28:[93, 14] Operation: 33-19=14 Exploring Operation: 19+93=112, Resulting Numbers: [33, 112] Generated Node #0,2,2: 28:[33, 112] Operation: 19+93=112 Exploring Operation: 93-19=74, Resulting Numbers: [33, 74] Generated Node #0,2,3: 28:[33, 74] Operation: 93-19=74 Exploring Operation: 93-33=60, Resulting Numbers: [19, 60] Generated Node #0,2,4: 28:[19, 60] Operation: 93-33=60 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 28:[19, 60], Operations: ['47-14=33', '93-33=60'] Exploring Operation: 60-19=41, Resulting Numbers: [41] 41,28 unequal: No Solution Exploring Operation: 19*60=1140, Resulting Numbers: [1140] 1140,28 unequal: No Solution Exploring Operation: 19+60=79, Resulting Numbers: [79] 79,28 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: 28:[33, 74], Operations: ['47-14=33', '93-19=74'] Exploring Operation: 33+74=107, Resulting Numbers: [107] 107,28 unequal: No Solution Exploring Operation: 33*74=2442, Resulting Numbers: [2442] 2442,28 unequal: No Solution Exploring Operation: 74-33=41, Resulting Numbers: [41] 41,28 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: 28:[93, 14], Operations: ['47-14=33', '33-19=14'] Exploring Operation: 93+14=107, Resulting Numbers: [107] 107,28 unequal: No Solution Exploring Operation: 93-14=79, Resulting Numbers: [79] 79,28 unequal: No Solution Exploring Operation: 93*14=1302, Resulting Numbers: [1302] 1302,28 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: 28:[93, 52], Operations: ['47-14=33', '19+33=52'] Exploring Operation: 93*52=4836, Resulting Numbers: [4836] 4836,28 unequal: No Solution Exploring Operation: 93+52=145, Resulting Numbers: [145] 145,28 unequal: No Solution Exploring Operation: 93-52=41, Resulting Numbers: [41] 41,28 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: 28:[33, 112], Operations: ['47-14=33', '19+93=112'] Exploring Operation: 33+112=145, Resulting Numbers: [145] 145,28 unequal: No Solution Exploring Operation: 112-33=79, Resulting Numbers: [79] 79,28 unequal: No Solution Exploring Operation: 33*112=3696, Resulting Numbers: [3696] 3696,28 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: 28:[19, 47, 79], Operations: ['93-14=79'] Exploring Operation: 79-47=32, Resulting Numbers: [19, 32] Generated Node #0,4,0: 28:[19, 32] Operation: 79-47=32 Exploring Operation: 19+47=66, Resulting Numbers: [79, 66] Generated Node #0,4,1: 28:[79, 66] Operation: 19+47=66 Exploring Operation: 79-19=60, Resulting Numbers: [47, 60] Generated Node #0,4,2: 28:[47, 60] Operation: 79-19=60 Exploring Operation: 47-19=28, Resulting Numbers: [79, 28] Generated Node #0,4,3: 28:[79, 28] Operation: 47-19=28 Exploring Operation: 19+79=98, Resulting Numbers: [47, 98] Generated Node #0,4,4: 28:[47, 98] Operation: 19+79=98 Moving to Node #0,4,0 Current State: 28:[19, 32], Operations: ['93-14=79', '79-47=32'] Exploring Operation: 19+32=51, Resulting Numbers: [51] 51,28 unequal: No Solution Exploring Operation: 32-19=13, Resulting Numbers: [13] 13,28 unequal: No Solution Exploring Operation: 19*32=608, Resulting Numbers: [608] 608,28 unequal: No Solution Moving to Node #0,4,3 Current State: 28:[79, 28], Operations: ['93-14=79', '47-19=28'] Exploring Operation: 79*28=2212, Resulting Numbers: [2212] 2212,28 unequal: No Solution Exploring Operation: 79-28=51, Resulting Numbers: [51] 51,28 unequal: No Solution Exploring Operation: 79+28=107, Resulting Numbers: [107] 107,28 unequal: No Solution Moving to Node #0,4,2 Current State: 28:[47, 60], Operations: ['93-14=79', '79-19=60'] Exploring Operation: 60-47=13, Resulting Numbers: [13] 13,28 unequal: No Solution Exploring Operation: 47+60=107, Resulting Numbers: [107] 107,28 unequal: No Solution Exploring Operation: 47*60=2820, Resulting Numbers: [2820] 2820,28 unequal: No Solution Moving to Node #0,4,1 Current State: 28:[79, 66], Operations: ['93-14=79', '19+47=66'] Exploring Operation: 79+66=145, Resulting Numbers: [145] 145,28 unequal: No Solution Exploring Operation: 79*66=5214, Resulting Numbers: [5214] 5214,28 unequal: No Solution Exploring Operation: 79-66=13, Resulting Numbers: [13] 13,28 unequal: No Solution Moving to Node #0,4,4 Current State: 28:[47, 98], Operations: ['93-14=79', '19+79=98'] Exploring Operation: 47+98=145, Resulting Numbers: [145] 145,28 unequal: No Solution Exploring Operation: 98-47=51, Resulting Numbers: [51] 51,28 unequal: No Solution Exploring Operation: 47*98=4606, Resulting Numbers: [4606] 4606,28 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
[ 93, 69, 38, 69 ]
56
[ "93-38=55", "69/69=1", "55+1=56" ]
Current State: 56:[93, 69, 38, 69], Operations: [] Exploring Operation: 93-38=55, Resulting Numbers: [69, 69, 55] Generated Node #2: [69, 69, 55] from Operation: 93-38=55 Current State: 56:[69, 69, 55], Operations: ['93-38=55'] Exploring Operation: 69/69=1, Resulting Numbers: [55, 1] Generated Node #3: [55, 1] from Operation: 69/69=1 Current State: 56:[55, 1], Operations: ['93-38=55', '69/69=1'] Exploring Operation: 55+1=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[93, 69, 38, 69], Operations: [] Exploring Operation: 93-69=24, Resulting Numbers: [69, 38, 24] Generated Node #0,0: 56:[69, 38, 24] Operation: 93-69=24 Exploring Operation: 69/69=1, Resulting Numbers: [93, 38, 1] Generated Node #0,1: 56:[93, 38, 1] Operation: 69/69=1 Exploring Operation: 93-69=24, Resulting Numbers: [38, 69, 24] Generated Node #0,2: 56:[38, 69, 24] Operation: 93-69=24 Exploring Operation: 93-38=55, Resulting Numbers: [69, 69, 55] Generated Node #0,3: 56:[69, 69, 55] Operation: 93-38=55 Moving to Node #0,0 Current State: 56:[69, 38, 24], Operations: ['93-69=24'] Exploring Operation: 38+24=62, Resulting Numbers: [69, 62] Generated Node #0,0,0: 56:[69, 62] Operation: 38+24=62 Exploring Operation: 69-24=45, Resulting Numbers: [38, 45] Generated Node #0,0,1: 56:[38, 45] Operation: 69-24=45 Exploring Operation: 38-24=14, Resulting Numbers: [69, 14] Generated Node #0,0,2: 56:[69, 14] Operation: 38-24=14 Exploring Operation: 69-38=31, Resulting Numbers: [24, 31] Generated Node #0,0,3: 56:[24, 31] Operation: 69-38=31 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 56:[24, 31], Operations: ['93-69=24', '69-38=31'] Exploring Operation: 31-24=7, Resulting Numbers: [7] 7,56 unequal: No Solution Exploring Operation: 24*31=744, Resulting Numbers: [744] 744,56 unequal: No Solution Exploring Operation: 24+31=55, Resulting Numbers: [55] 55,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 56:[69, 14], Operations: ['93-69=24', '38-24=14'] Exploring Operation: 69*14=966, Resulting Numbers: [966] 966,56 unequal: No Solution 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 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: 56:[69, 62], Operations: ['93-69=24', '38+24=62'] Exploring Operation: 69-62=7, Resulting Numbers: [7] 7,56 unequal: No Solution Exploring Operation: 69*62=4278, Resulting Numbers: [4278] 4278,56 unequal: No Solution Exploring Operation: 69+62=131, Resulting Numbers: [131] 131,56 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 #0,0,1 Current State: 56:[38, 45], Operations: ['93-69=24', '69-24=45'] Exploring Operation: 45-38=7, Resulting Numbers: [7] 7,56 unequal: No Solution Exploring Operation: 38*45=1710, Resulting Numbers: [1710] 1710,56 unequal: No Solution Exploring Operation: 38+45=83, Resulting Numbers: [83] 83,56 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: 56:[69, 69, 55], Operations: ['93-38=55'] Exploring Operation: 69-69=0, Resulting Numbers: [55, 0] Generated Node #0,3,0: 56:[55, 0] Operation: 69-69=0 Exploring Operation: 69/69=1, Resulting Numbers: [55, 1] Generated Node #0,3,1: 56:[55, 1] Operation: 69/69=1 Exploring Operation: 69-55=14, Resulting Numbers: [69, 14] Generated Node #0,3,2: 56:[69, 14] Operation: 69-55=14 Exploring Operation: 69-55=14, Resulting Numbers: [69, 14] Generated Node #0,3,3: 56:[69, 14] Operation: 69-55=14 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 56:[55, 1], Operations: ['93-38=55', '69/69=1'] Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,56 unequal: No Solution Exploring Operation: 55+1=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[93, 69, 38, 69], Operations: [] Exploring Operation: 93-38=55, Resulting Numbers: [69, 69, 55] Generated Node #0,3: 56:[69, 69, 55] Operation: 93-38=55 Moving to Node #0,3 Current State: 56:[69, 69, 55], Operations: ['93-38=55'] Exploring Operation: 69/69=1, Resulting Numbers: [55, 1] Generated Node #0,3,1: 56:[55, 1] Operation: 69/69=1 Moving to Node #0,3,1 Current State: 56:[55, 1], Operations: ['93-38=55', '69/69=1'] Exploring Operation: 55+1=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
sum_heuristic
[ 91, 65, 62, 32 ]
42
[ "62-32=30", "91*30=2730", "2730/65=42" ]
Current State: 42:[91, 65, 62, 32], Operations: [] Exploring Operation: 62-32=30, Resulting Numbers: [91, 65, 30] Generated Node #2: [91, 65, 30] from Operation: 62-32=30 Current State: 42:[91, 65, 30], Operations: ['62-32=30'] Exploring Operation: 91*30=2730, Resulting Numbers: [65, 2730] Generated Node #3: [65, 2730] from Operation: 91*30=2730 Current State: 42:[65, 2730], Operations: ['62-32=30', '91*30=2730'] Exploring Operation: 2730/65=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[91, 65, 62, 32], Operations: [] Exploring Operation: 91-62=29, Resulting Numbers: [65, 32, 29] Generated Node #0,0: 42:[65, 32, 29] Operation: 91-62=29 Exploring Operation: 91-32=59, Resulting Numbers: [65, 62, 59] Generated Node #0,1: 42:[65, 62, 59] Operation: 91-32=59 Exploring Operation: 65-62=3, Resulting Numbers: [91, 32, 3] Generated Node #0,2: 42:[91, 32, 3] Operation: 65-62=3 Exploring Operation: 91-65=26, Resulting Numbers: [62, 32, 26] Generated Node #0,3: 42:[62, 32, 26] Operation: 91-65=26 Start Sub Search at level 1: Moving to Node #0,3 Current State: 42:[62, 32, 26], Operations: ['91-65=26'] Exploring Operation: 62-26=36, Resulting Numbers: [32, 36] Generated Node #0,3,0: 42:[32, 36] Operation: 62-26=36 Exploring Operation: 32-26=6, Resulting Numbers: [62, 6] Generated Node #0,3,1: 42:[62, 6] Operation: 32-26=6 Exploring Operation: 62-32=30, Resulting Numbers: [26, 30] Generated Node #0,3,2: 42:[26, 30] Operation: 62-32=30 Exploring Operation: 32+26=58, Resulting Numbers: [62, 58] Generated Node #0,3,3: 42:[62, 58] Operation: 32+26=58 Moving to Node #0,3,2 Current State: 42:[26, 30], Operations: ['91-65=26', '62-32=30'] Exploring Operation: 26*30=780, Resulting Numbers: [780] 780,42 unequal: No Solution Exploring Operation: 26+30=56, Resulting Numbers: [56] 56,42 unequal: No Solution Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,42 unequal: No Solution Moving to Node #0,3,0 Current State: 42:[32, 36], Operations: ['91-65=26', '62-26=36'] Exploring Operation: 32*36=1152, Resulting Numbers: [1152] 1152,42 unequal: No Solution Exploring Operation: 32+36=68, Resulting Numbers: [68] 68,42 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,42 unequal: No Solution Moving to Node #0,3,1 Current State: 42:[62, 6], Operations: ['91-65=26', '32-26=6'] Exploring Operation: 62*6=372, Resulting Numbers: [372] 372,42 unequal: No Solution Exploring Operation: 62+6=68, Resulting Numbers: [68] 68,42 unequal: No Solution Exploring Operation: 62-6=56, Resulting Numbers: [56] 56,42 unequal: No Solution Moving to Node #0,3,3 Current State: 42:[62, 58], Operations: ['91-65=26', '32+26=58'] Exploring Operation: 62*58=3596, Resulting Numbers: [3596] 3596,42 unequal: No Solution Exploring Operation: 62-58=4, Resulting Numbers: [4] 4,42 unequal: No Solution Exploring Operation: 62+58=120, Resulting Numbers: [120] 120,42 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: 42:[65, 32, 29], Operations: ['91-62=29'] Exploring Operation: 65-29=36, Resulting Numbers: [32, 36] Generated Node #0,0,0: 42:[32, 36] Operation: 65-29=36 Exploring Operation: 32+29=61, Resulting Numbers: [65, 61] Generated Node #0,0,1: 42:[65, 61] Operation: 32+29=61 Exploring Operation: 65-32=33, Resulting Numbers: [29, 33] Generated Node #0,0,2: 42:[29, 33] Operation: 65-32=33 Exploring Operation: 32-29=3, Resulting Numbers: [65, 3] Generated Node #0,0,3: 42:[65, 3] Operation: 32-29=3 Moving to Node #0,0,0 Current State: 42:[32, 36], Operations: ['91-62=29', '65-29=36'] Exploring Operation: 32*36=1152, Resulting Numbers: [1152] 1152,42 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,42 unequal: No Solution Exploring Operation: 32+36=68, Resulting Numbers: [68] 68,42 unequal: No Solution Moving to Node #0,0,2 Current State: 42:[29, 33], Operations: ['91-62=29', '65-32=33'] Exploring Operation: 29*33=957, Resulting Numbers: [957] 957,42 unequal: No Solution Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,42 unequal: No Solution Exploring Operation: 29+33=62, Resulting Numbers: [62] 62,42 unequal: No Solution Moving to Node #0,0,3 Current State: 42:[65, 3], Operations: ['91-62=29', '32-29=3'] Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,42 unequal: No Solution Exploring Operation: 65+3=68, Resulting Numbers: [68] 68,42 unequal: No Solution Exploring Operation: 65*3=195, Resulting Numbers: [195] 195,42 unequal: No Solution Moving to Node #0,0,1 Current State: 42:[65, 61], Operations: ['91-62=29', '32+29=61'] Exploring Operation: 65+61=126, Resulting Numbers: [126] 126,42 unequal: No Solution Exploring Operation: 65-61=4, Resulting Numbers: [4] 4,42 unequal: No Solution Exploring Operation: 65*61=3965, Resulting Numbers: [3965] 3965,42 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: 42:[91, 32, 3], Operations: ['65-62=3'] Exploring Operation: 91-32=59, Resulting Numbers: [3, 59] Generated Node #0,2,0: 42:[3, 59] Operation: 91-32=59 Exploring Operation: 32+3=35, Resulting Numbers: [91, 35] Generated Node #0,2,1: 42:[91, 35] Operation: 32+3=35 Exploring Operation: 91-3=88, Resulting Numbers: [32, 88] Generated Node #0,2,2: 42:[32, 88] Operation: 91-3=88 Exploring Operation: 32-3=29, Resulting Numbers: [91, 29] Generated Node #0,2,3: 42:[91, 29] Operation: 32-3=29 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 42:[3, 59], Operations: ['65-62=3', '91-32=59'] Exploring Operation: 3+59=62, Resulting Numbers: [62] 62,42 unequal: No Solution Exploring Operation: 3*59=177, Resulting Numbers: [177] 177,42 unequal: No Solution Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,42 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: 42:[91, 35], Operations: ['65-62=3', '32+3=35'] Exploring Operation: 91+35=126, Resulting Numbers: [126] 126,42 unequal: No Solution Exploring Operation: 91-35=56, Resulting Numbers: [56] 56,42 unequal: No Solution Exploring Operation: 91*35=3185, Resulting Numbers: [3185] 3185,42 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: 42:[32, 88], Operations: ['65-62=3', '91-3=88'] Exploring Operation: 32+88=120, Resulting Numbers: [120] 120,42 unequal: No Solution Exploring Operation: 32*88=2816, Resulting Numbers: [2816] 2816,42 unequal: No Solution Exploring Operation: 88-32=56, Resulting Numbers: [56] 56,42 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: 42:[91, 29], Operations: ['65-62=3', '32-3=29'] Exploring Operation: 91*29=2639, Resulting Numbers: [2639] 2639,42 unequal: No Solution Exploring Operation: 91-29=62, Resulting Numbers: [62] 62,42 unequal: No Solution Exploring Operation: 91+29=120, Resulting Numbers: [120] 120,42 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: 42:[65, 62, 59], Operations: ['91-32=59'] Exploring Operation: 65-62=3, Resulting Numbers: [59, 3] Generated Node #0,1,0: 42:[59, 3] Operation: 65-62=3 Exploring Operation: 62-59=3, Resulting Numbers: [65, 3] Generated Node #0,1,1: 42:[65, 3] Operation: 62-59=3 Exploring Operation: 65+62=127, Resulting Numbers: [59, 127] Generated Node #0,1,2: 42:[59, 127] Operation: 65+62=127 Exploring Operation: 65-59=6, Resulting Numbers: [62, 6] Generated Node #0,1,3: 42:[62, 6] Operation: 65-59=6 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 42:[59, 3], Operations: ['91-32=59', '65-62=3'] Exploring Operation: 59+3=62, Resulting Numbers: [62] 62,42 unequal: No Solution Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,42 unequal: No Solution Exploring Operation: 59*3=177, Resulting Numbers: [177] 177,42 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: 42:[62, 6], Operations: ['91-32=59', '65-59=6'] Exploring Operation: 62+6=68, Resulting Numbers: [68] 68,42 unequal: No Solution Exploring Operation: 62-6=56, Resulting Numbers: [56] 56,42 unequal: No Solution Exploring Operation: 62*6=372, Resulting Numbers: [372] 372,42 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: 42:[65, 3], Operations: ['91-32=59', '62-59=3'] Exploring Operation: 65+3=68, Resulting Numbers: [68] 68,42 unequal: No Solution Exploring Operation: 65*3=195, Resulting Numbers: [195] 195,42 unequal: No Solution Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,42 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: 42:[59, 127], Operations: ['91-32=59', '65+62=127'] Exploring Operation: 59+127=186, Resulting Numbers: [186] 186,42 unequal: No Solution Exploring Operation: 127-59=68, Resulting Numbers: [68] 68,42 unequal: No Solution Exploring Operation: 59*127=7493, Resulting Numbers: [7493] 7493,42 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
[ 42, 65, 72, 41 ]
47
[ "72-65=7", "42/7=6", "41+6=47" ]
Current State: 47:[42, 65, 72, 41], Operations: [] Exploring Operation: 72-65=7, Resulting Numbers: [42, 41, 7] Generated Node #2: [42, 41, 7] from Operation: 72-65=7 Current State: 47:[42, 41, 7], Operations: ['72-65=7'] Exploring Operation: 42/7=6, Resulting Numbers: [41, 6] Generated Node #3: [41, 6] from Operation: 42/7=6 Current State: 47:[41, 6], Operations: ['72-65=7', '42/7=6'] Exploring Operation: 41+6=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[42, 65, 72, 41], Operations: [] Exploring Operation: 72-41=31, Resulting Numbers: [42, 65, 31] Generated Node #0,0: 47:[42, 65, 31] Operation: 72-41=31 Moving to Node #0,0 Current State: 47:[42, 65, 31], Operations: ['72-41=31'] Exploring Operation: 65-31=34, Resulting Numbers: [42, 34] Generated Node #0,0,0: 47:[42, 34] Operation: 65-31=34 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[42, 34], Operations: ['72-41=31', '65-31=34'] Exploring Operation: 42+34=76, Resulting Numbers: [76] 76,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 4, 84, 74, 53 ]
42
[ "84/4=21", "74-53=21", "21+21=42" ]
Current State: 42:[4, 84, 74, 53], Operations: [] Exploring Operation: 84/4=21, Resulting Numbers: [74, 53, 21] Generated Node #2: [74, 53, 21] from Operation: 84/4=21 Current State: 42:[74, 53, 21], Operations: ['84/4=21'] Exploring Operation: 74-53=21, Resulting Numbers: [21, 21] Generated Node #3: [21, 21] from Operation: 74-53=21 Current State: 42:[21, 21], Operations: ['84/4=21', '74-53=21'] Exploring Operation: 21+21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[4, 84, 74, 53], Operations: [] Exploring Operation: 84-74=10, Resulting Numbers: [4, 53, 10] Generated Node #0,0: 42:[4, 53, 10] Operation: 84-74=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[4, 53, 10], Operations: ['84-74=10'] Exploring Operation: 53-10=43, Resulting Numbers: [4, 43] Generated Node #0,0,0: 42:[4, 43] Operation: 53-10=43 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[4, 43], Operations: ['84-74=10', '53-10=43'] Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,42 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
[ 4, 85, 69, 79 ]
34
[ "4*85=340", "79-69=10", "340/10=34" ]
Current State: 34:[4, 85, 69, 79], Operations: [] Exploring Operation: 4*85=340, Resulting Numbers: [69, 79, 340] Generated Node #2: [69, 79, 340] from Operation: 4*85=340 Current State: 34:[69, 79, 340], Operations: ['4*85=340'] Exploring Operation: 79-69=10, Resulting Numbers: [340, 10] Generated Node #3: [340, 10] from Operation: 79-69=10 Current State: 34:[340, 10], Operations: ['4*85=340', '79-69=10'] Exploring Operation: 340/10=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[4, 85, 69, 79], Operations: [] Exploring Operation: 85-69=16, Resulting Numbers: [4, 79, 16] Generated Node #0,0: 34:[4, 79, 16] Operation: 85-69=16 Exploring Operation: 85-79=6, Resulting Numbers: [4, 69, 6] Generated Node #0,1: 34:[4, 69, 6] Operation: 85-79=6 Moving to Node #0,1 Current State: 34:[4, 69, 6], Operations: ['85-79=6'] Exploring Operation: 69-6=63, Resulting Numbers: [4, 63] Generated Node #0,1,0: 34:[4, 63] Operation: 69-6=63 Exploring Operation: 69-4=65, Resulting Numbers: [6, 65] Generated Node #0,1,1: 34:[6, 65] Operation: 69-4=65 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[4, 63], Operations: ['85-79=6', '69-6=63'] Exploring Operation: 4+63=67, Resulting Numbers: [67] 67,34 unequal: No Solution Exploring Operation: 63-4=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 #0,1,1 Current State: 34:[6, 65], Operations: ['85-79=6', '69-4=65'] Exploring Operation: 6+65=71, Resulting Numbers: [71] 71,34 unequal: No Solution Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,34 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: 34:[4, 79, 16], Operations: ['85-69=16'] Exploring Operation: 79-16=63, Resulting Numbers: [4, 63] Generated Node #0,0,0: 34:[4, 63] Operation: 79-16=63 Exploring Operation: 79-4=75, Resulting Numbers: [16, 75] Generated Node #0,0,1: 34:[16, 75] Operation: 79-4=75 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[4, 63], Operations: ['85-69=16', '79-16=63'] Exploring Operation: 4+63=67, Resulting Numbers: [67] 67,34 unequal: No Solution Exploring Operation: 63-4=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 #0,0,1 Current State: 34:[16, 75], Operations: ['85-69=16', '79-4=75'] Exploring Operation: 16+75=91, Resulting Numbers: [91] 91,34 unequal: No Solution Exploring Operation: 75-16=59, Resulting Numbers: [59] 59,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 53, 40, 51, 15 ]
35
[ "53-51=2", "40/2=20", "15+20=35" ]
Current State: 35:[53, 40, 51, 15], Operations: [] Exploring Operation: 53-51=2, Resulting Numbers: [40, 15, 2] Generated Node #2: [40, 15, 2] from Operation: 53-51=2 Current State: 35:[40, 15, 2], Operations: ['53-51=2'] Exploring Operation: 40/2=20, Resulting Numbers: [15, 20] Generated Node #3: [15, 20] from Operation: 40/2=20 Current State: 35:[15, 20], Operations: ['53-51=2', '40/2=20'] Exploring Operation: 15+20=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[53, 40, 51, 15], Operations: [] Exploring Operation: 53-15=38, Resulting Numbers: [40, 51, 38] Generated Node #0,0: 35:[40, 51, 38] Operation: 53-15=38 Exploring Operation: 53-51=2, Resulting Numbers: [40, 15, 2] Generated Node #0,1: 35:[40, 15, 2] Operation: 53-51=2 Moving to Node #0,1 Current State: 35:[40, 15, 2], Operations: ['53-51=2'] Exploring Operation: 40-2=38, Resulting Numbers: [15, 38] Generated Node #0,1,0: 35:[15, 38] Operation: 40-2=38 Exploring Operation: 15*2=30, Resulting Numbers: [40, 30] Generated Node #0,1,1: 35:[40, 30] Operation: 15*2=30 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 35:[40, 30], Operations: ['53-51=2', '15*2=30'] Exploring Operation: 40+30=70, Resulting Numbers: [70] 70,35 unequal: No Solution Exploring Operation: 40-30=10, Resulting Numbers: [10] 10,35 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: 35:[15, 38], Operations: ['53-51=2', '40-2=38'] Exploring Operation: 15+38=53, Resulting Numbers: [53] 53,35 unequal: No Solution Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,35 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: 35:[40, 51, 38], Operations: ['53-15=38'] Exploring Operation: 51-38=13, Resulting Numbers: [40, 13] Generated Node #0,0,0: 35:[40, 13] Operation: 51-38=13 Exploring Operation: 51-40=11, Resulting Numbers: [38, 11] Generated Node #0,0,1: 35:[38, 11] Operation: 51-40=11 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 35:[38, 11], Operations: ['53-15=38', '51-40=11'] Exploring Operation: 38+11=49, Resulting Numbers: [49] 49,35 unequal: No Solution Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,35 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: 35:[40, 13], Operations: ['53-15=38', '51-38=13'] Exploring Operation: 40+13=53, Resulting Numbers: [53] 53,35 unequal: No Solution Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,35 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
[ 4, 82, 41, 75 ]
29
[ "82-41=41", "75+41=116", "116/4=29" ]
Current State: 29:[4, 82, 41, 75], Operations: [] Exploring Operation: 82-41=41, Resulting Numbers: [4, 75, 41] Generated Node #2: [4, 75, 41] from Operation: 82-41=41 Current State: 29:[4, 75, 41], Operations: ['82-41=41'] Exploring Operation: 75+41=116, Resulting Numbers: [4, 116] Generated Node #3: [4, 116] from Operation: 75+41=116 Current State: 29:[4, 116], Operations: ['82-41=41', '75+41=116'] Exploring Operation: 116/4=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[4, 82, 41, 75], Operations: [] Exploring Operation: 82-41=41, Resulting Numbers: [4, 75, 41] Generated Node #0,0: 29:[4, 75, 41] Operation: 82-41=41 Exploring Operation: 75-41=34, Resulting Numbers: [4, 82, 34] Generated Node #0,1: 29:[4, 82, 34] Operation: 75-41=34 Exploring Operation: 82-75=7, Resulting Numbers: [4, 41, 7] Generated Node #0,2: 29:[4, 41, 7] Operation: 82-75=7 Exploring Operation: 82-4=78, Resulting Numbers: [41, 75, 78] Generated Node #0,3: 29:[41, 75, 78] Operation: 82-4=78 Exploring Operation: 82/41=2, Resulting Numbers: [4, 75, 2] Generated Node #0,4: 29:[4, 75, 2] Operation: 82/41=2 Moving to Node #0,2 Current State: 29:[4, 41, 7], Operations: ['82-75=7'] Exploring Operation: 4+41=45, Resulting Numbers: [7, 45] Generated Node #0,2,0: 29:[7, 45] Operation: 4+41=45 Exploring Operation: 41-4=37, Resulting Numbers: [7, 37] Generated Node #0,2,1: 29:[7, 37] Operation: 41-4=37 Exploring Operation: 4+7=11, Resulting Numbers: [41, 11] Generated Node #0,2,2: 29:[41, 11] Operation: 4+7=11 Exploring Operation: 41-7=34, Resulting Numbers: [4, 34] Generated Node #0,2,3: 29:[4, 34] Operation: 41-7=34 Exploring Operation: 4*7=28, Resulting Numbers: [41, 28] Generated Node #0,2,4: 29:[41, 28] Operation: 4*7=28 Moving to Node #0,1 Current State: 29:[4, 82, 34], Operations: ['75-41=34'] Exploring Operation: 82-4=78, Resulting Numbers: [34, 78] Generated Node #0,1,0: 29:[34, 78] Operation: 82-4=78 Exploring Operation: 4+82=86, Resulting Numbers: [34, 86] Generated Node #0,1,1: 29:[34, 86] Operation: 4+82=86 Exploring Operation: 82-34=48, Resulting Numbers: [4, 48] Generated Node #0,1,2: 29:[4, 48] Operation: 82-34=48 Exploring Operation: 4+34=38, Resulting Numbers: [82, 38] Generated Node #0,1,3: 29:[82, 38] Operation: 4+34=38 Exploring Operation: 34-4=30, Resulting Numbers: [82, 30] Generated Node #0,1,4: 29:[82, 30] Operation: 34-4=30 Moving to Node #0,0 Current State: 29:[4, 75, 41], Operations: ['82-41=41'] Exploring Operation: 41-4=37, Resulting Numbers: [75, 37] Generated Node #0,0,0: 29:[75, 37] Operation: 41-4=37 Exploring Operation: 75-41=34, Resulting Numbers: [4, 34] Generated Node #0,0,1: 29:[4, 34] Operation: 75-41=34 Exploring Operation: 4+75=79, Resulting Numbers: [41, 79] Generated Node #0,0,2: 29:[41, 79] Operation: 4+75=79 Exploring Operation: 4+41=45, Resulting Numbers: [75, 45] Generated Node #0,0,3: 29:[75, 45] Operation: 4+41=45 Exploring Operation: 75-4=71, Resulting Numbers: [41, 71] Generated Node #0,0,4: 29:[41, 71] Operation: 75-4=71 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[4, 34], Operations: ['82-41=41', '75-41=34'] Exploring Operation: 4*34=136, Resulting Numbers: [136] 136,29 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,29 unequal: No Solution Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,29 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 #0,0,0 Current State: 29:[75, 37], Operations: ['82-41=41', '41-4=37'] Exploring Operation: 75*37=2775, Resulting Numbers: [2775] 2775,29 unequal: No Solution Exploring Operation: 75-37=38, Resulting Numbers: [38] 38,29 unequal: No Solution Exploring Operation: 75+37=112, Resulting Numbers: [112] 112,29 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 #0,0,4 Current State: 29:[41, 71], Operations: ['82-41=41', '75-4=71'] Exploring Operation: 41+71=112, Resulting Numbers: [112] 112,29 unequal: No Solution Exploring Operation: 71-41=30, Resulting Numbers: [30] 30,29 unequal: No Solution Exploring Operation: 41*71=2911, Resulting Numbers: [2911] 2911,29 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 #0,0,2 Current State: 29:[41, 79], Operations: ['82-41=41', '4+75=79'] Exploring Operation: 41*79=3239, Resulting Numbers: [3239] 3239,29 unequal: No Solution Exploring Operation: 79-41=38, Resulting Numbers: [38] 38,29 unequal: No Solution Exploring Operation: 41+79=120, Resulting Numbers: [120] 120,29 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 #0,0,3 Current State: 29:[75, 45], Operations: ['82-41=41', '4+41=45'] Exploring Operation: 75-45=30, Resulting Numbers: [30] 30,29 unequal: No Solution Exploring Operation: 75*45=3375, Resulting Numbers: [3375] 3375,29 unequal: No Solution Exploring Operation: 75+45=120, Resulting Numbers: [120] 120,29 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: 29:[4, 75, 2], Operations: ['82/41=2'] Exploring Operation: 4-2=2, Resulting Numbers: [75, 2] Generated Node #0,4,0: 29:[75, 2] Operation: 4-2=2 Exploring Operation: 75-2=73, Resulting Numbers: [4, 73] Generated Node #0,4,1: 29:[4, 73] Operation: 75-2=73 Exploring Operation: 4*2=8, Resulting Numbers: [75, 8] Generated Node #0,4,2: 29:[75, 8] Operation: 4*2=8 Exploring Operation: 75-4=71, Resulting Numbers: [2, 71] Generated Node #0,4,3: 29:[2, 71] Operation: 75-4=71 Exploring Operation: 4+2=6, Resulting Numbers: [75, 6] Generated Node #0,4,4: 29:[75, 6] Operation: 4+2=6 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 29:[75, 8], Operations: ['82/41=2', '4*2=8'] Exploring Operation: 75*8=600, Resulting Numbers: [600] 600,29 unequal: No Solution Exploring Operation: 75+8=83, Resulting Numbers: [83] 83,29 unequal: No Solution Exploring Operation: 75-8=67, Resulting Numbers: [67] 67,29 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 #0,4,1 Current State: 29:[4, 73], Operations: ['82/41=2', '75-2=73'] Exploring Operation: 4+73=77, Resulting Numbers: [77] 77,29 unequal: No Solution Exploring Operation: 4*73=292, Resulting Numbers: [292] 292,29 unequal: No Solution Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,29 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 #0,4,3 Current State: 29:[2, 71], Operations: ['82/41=2', '75-4=71'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,29 unequal: No Solution Exploring Operation: 2+71=73, Resulting Numbers: [73] 73,29 unequal: No Solution Exploring Operation: 2*71=142, Resulting Numbers: [142] 142,29 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 #0,4,4 Current State: 29:[75, 6], Operations: ['82/41=2', '4+2=6'] Exploring Operation: 75-6=69, Resulting Numbers: [69] 69,29 unequal: No Solution Exploring Operation: 75+6=81, Resulting Numbers: [81] 81,29 unequal: No Solution Exploring Operation: 75*6=450, Resulting Numbers: [450] 450,29 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 #0,4,0 Current State: 29:[75, 2], Operations: ['82/41=2', '4-2=2'] Exploring Operation: 75*2=150, Resulting Numbers: [150] 150,29 unequal: No Solution Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,29 unequal: No Solution Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,29 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: 29:[41, 75, 78], Operations: ['82-4=78'] Exploring Operation: 41+78=119, Resulting Numbers: [75, 119] Generated Node #0,3,0: 29:[75, 119] Operation: 41+78=119 Exploring Operation: 78-75=3, Resulting Numbers: [41, 3] Generated Node #0,3,1: 29:[41, 3] Operation: 78-75=3 Exploring Operation: 78-41=37, Resulting Numbers: [75, 37] Generated Node #0,3,2: 29:[75, 37] Operation: 78-41=37 Exploring Operation: 41+75=116, Resulting Numbers: [78, 116] Generated Node #0,3,3: 29:[78, 116] Operation: 41+75=116 Exploring Operation: 75-41=34, Resulting Numbers: [78, 34] Generated Node #0,3,4: 29:[78, 34] Operation: 75-41=34 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 29:[41, 3], Operations: ['82-4=78', '78-75=3'] Exploring Operation: 41*3=123, Resulting Numbers: [123] 123,29 unequal: No Solution Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,29 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 #0,3,2 Current State: 29:[75, 37], Operations: ['82-4=78', '78-41=37'] Exploring Operation: 75+37=112, Resulting Numbers: [112] 112,29 unequal: No Solution Exploring Operation: 75-37=38, Resulting Numbers: [38] 38,29 unequal: No Solution Exploring Operation: 75*37=2775, Resulting Numbers: [2775] 2775,29 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 #0,3,4 Current State: 29:[78, 34], Operations: ['82-4=78', '75-41=34'] Exploring Operation: 78*34=2652, Resulting Numbers: [2652] 2652,29 unequal: No Solution Exploring Operation: 78-34=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 78+34=112, Resulting Numbers: [112] 112,29 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 #0,3,0 Current State: 29:[75, 119], Operations: ['82-4=78', '41+78=119'] Exploring Operation: 75+119=194, Resulting Numbers: [194] 194,29 unequal: No Solution Exploring Operation: 75*119=8925, Resulting Numbers: [8925] 8925,29 unequal: No Solution Exploring Operation: 119-75=44, Resulting Numbers: [44] 44,29 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 #0,3,3 Current State: 29:[78, 116], Operations: ['82-4=78', '41+75=116'] Exploring Operation: 78*116=9048, Resulting Numbers: [9048] 9048,29 unequal: No Solution Exploring Operation: 78+116=194, Resulting Numbers: [194] 194,29 unequal: No Solution Exploring Operation: 116-78=38, Resulting Numbers: [38] 38,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,4 Current State: 29:[41, 28], Operations: ['82-75=7', '4*7=28'] Exploring Operation: 41+28=69, Resulting Numbers: [69] 69,29 unequal: No Solution Exploring Operation: 41-28=13, Resulting Numbers: [13] 13,29 unequal: No Solution Exploring Operation: 41*28=1148, Resulting Numbers: [1148] 1148,29 unequal: No Solution Moving to Node #0,2,2 Current State: 29:[41, 11], Operations: ['82-75=7', '4+7=11'] Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,29 unequal: No Solution Exploring Operation: 41*11=451, Resulting Numbers: [451] 451,29 unequal: No Solution Exploring Operation: 41+11=52, Resulting Numbers: [52] 52,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[7, 37], Operations: ['82-75=7', '41-4=37'] Exploring Operation: 7+37=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 7*37=259, Resulting Numbers: [259] 259,29 unequal: No Solution Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,29 unequal: No Solution Moving to Node #0,2,3 Current State: 29:[4, 34], Operations: ['82-75=7', '41-7=34'] Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,29 unequal: No Solution Exploring Operation: 4*34=136, Resulting Numbers: [136] 136,29 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,29 unequal: No Solution Moving to Node #0,2,0 Current State: 29:[7, 45], Operations: ['82-75=7', '4+41=45'] Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,29 unequal: No Solution Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,29 unequal: No Solution Exploring Operation: 7*45=315, Resulting Numbers: [315] 315,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[4, 48], Operations: ['75-41=34', '82-34=48'] Exploring Operation: 4*48=192, Resulting Numbers: [192] 192,29 unequal: No Solution Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 4+48=52, Resulting Numbers: [52] 52,29 unequal: No Solution Moving to Node #0,1,4 Current State: 29:[82, 30], Operations: ['75-41=34', '34-4=30'] Exploring Operation: 82+30=112, Resulting Numbers: [112] 112,29 unequal: No Solution Exploring Operation: 82*30=2460, Resulting Numbers: [2460] 2460,29 unequal: No Solution Exploring Operation: 82-30=52, Resulting Numbers: [52] 52,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[34, 78], Operations: ['75-41=34', '82-4=78'] Exploring Operation: 34*78=2652, Resulting Numbers: [2652] 2652,29 unequal: No Solution Exploring Operation: 78-34=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 34+78=112, Resulting Numbers: [112] 112,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[34, 86], Operations: ['75-41=34', '4+82=86'] Exploring Operation: 34+86=120, Resulting Numbers: [120] 120,29 unequal: No Solution Exploring Operation: 34*86=2924, Resulting Numbers: [2924] 2924,29 unequal: No Solution Exploring Operation: 86-34=52, Resulting Numbers: [52] 52,29 unequal: No Solution Moving to Node #0,1,3 Current State: 29:[82, 38], Operations: ['75-41=34', '4+34=38'] Exploring Operation: 82-38=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 82*38=3116, Resulting Numbers: [3116] 3116,29 unequal: No Solution Exploring Operation: 82+38=120, Resulting Numbers: [120] 120,29 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 3, 69, 65, 92 ]
39
[ "69-3=66", "92-65=27", "66-27=39" ]
Current State: 39:[3, 69, 65, 92], Operations: [] Exploring Operation: 69-3=66, Resulting Numbers: [65, 92, 66] Generated Node #2: [65, 92, 66] from Operation: 69-3=66 Current State: 39:[65, 92, 66], Operations: ['69-3=66'] Exploring Operation: 92-65=27, Resulting Numbers: [66, 27] Generated Node #3: [66, 27] from Operation: 92-65=27 Current State: 39:[66, 27], Operations: ['69-3=66', '92-65=27'] Exploring Operation: 66-27=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[3, 69, 65, 92], Operations: [] Exploring Operation: 69-65=4, Resulting Numbers: [3, 92, 4] Generated Node #0,0: 39:[3, 92, 4] Operation: 69-65=4 Exploring Operation: 92-69=23, Resulting Numbers: [3, 65, 23] Generated Node #0,1: 39:[3, 65, 23] Operation: 92-69=23 Exploring Operation: 92-65=27, Resulting Numbers: [3, 69, 27] Generated Node #0,2: 39:[3, 69, 27] Operation: 92-65=27 Moving to Node #0,1 Current State: 39:[3, 65, 23], Operations: ['92-69=23'] Exploring Operation: 65-3=62, Resulting Numbers: [23, 62] Generated Node #0,1,0: 39:[23, 62] Operation: 65-3=62 Exploring Operation: 65-23=42, Resulting Numbers: [3, 42] Generated Node #0,1,1: 39:[3, 42] Operation: 65-23=42 Exploring Operation: 23-3=20, Resulting Numbers: [65, 20] Generated Node #0,1,2: 39:[65, 20] Operation: 23-3=20 Moving to Node #0,2 Current State: 39:[3, 69, 27], Operations: ['92-65=27'] Exploring Operation: 69-27=42, Resulting Numbers: [3, 42] Generated Node #0,2,0: 39:[3, 42] Operation: 69-27=42 Exploring Operation: 69/3=23, Resulting Numbers: [27, 23] Generated Node #0,2,1: 39:[27, 23] Operation: 69/3=23 Exploring Operation: 27/3=9, Resulting Numbers: [69, 9] Generated Node #0,2,2: 39:[69, 9] Operation: 27/3=9 Moving to Node #0,0 Current State: 39:[3, 92, 4], Operations: ['69-65=4'] Exploring Operation: 92-4=88, Resulting Numbers: [3, 88] Generated Node #0,0,0: 39:[3, 88] Operation: 92-4=88 Exploring Operation: 92-3=89, Resulting Numbers: [4, 89] Generated Node #0,0,1: 39:[4, 89] Operation: 92-3=89 Exploring Operation: 92/4=23, Resulting Numbers: [3, 23] Generated Node #0,0,2: 39:[3, 23] Operation: 92/4=23 Moving to Node #0,1,1 Current State: 39:[3, 42], Operations: ['92-69=23', '65-23=42'] Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,39 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[3, 69, 65, 92], Operations: [] Exploring Operation: 92-69=23, Resulting Numbers: [3, 65, 23] Generated Node #0,1: 39:[3, 65, 23] Operation: 92-69=23 Moving to Node #0,1 Current State: 39:[3, 65, 23], Operations: ['92-69=23'] Exploring Operation: 65-23=42, Resulting Numbers: [3, 42] Generated Node #0,1,1: 39:[3, 42] Operation: 65-23=42 Moving to Node #0,1,1 Current State: 39:[3, 42], Operations: ['92-69=23', '65-23=42'] Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.984375
hs_3
mult_heuristic
[ 48, 78, 88, 78 ]
41
[ "88-48=40", "78/78=1", "40+1=41" ]
Current State: 41:[48, 78, 88, 78], Operations: [] Exploring Operation: 88-48=40, Resulting Numbers: [78, 78, 40] Generated Node #2: [78, 78, 40] from Operation: 88-48=40 Current State: 41:[78, 78, 40], Operations: ['88-48=40'] Exploring Operation: 78/78=1, Resulting Numbers: [40, 1] Generated Node #3: [40, 1] from Operation: 78/78=1 Current State: 41:[40, 1], Operations: ['88-48=40', '78/78=1'] Exploring Operation: 40+1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[48, 78, 88, 78], Operations: [] Exploring Operation: 88-48=40, Resulting Numbers: [78, 78, 40] Generated Node #0,0: 41:[78, 78, 40] Operation: 88-48=40 Exploring Operation: 88-78=10, Resulting Numbers: [48, 78, 10] Generated Node #0,1: 41:[48, 78, 10] Operation: 88-78=10 Exploring Operation: 88-78=10, Resulting Numbers: [48, 78, 10] Generated Node #0,2: 41:[48, 78, 10] Operation: 88-78=10 Moving to Node #0,0 Current State: 41:[78, 78, 40], Operations: ['88-48=40'] Exploring Operation: 78-40=38, Resulting Numbers: [78, 38] Generated Node #0,0,0: 41:[78, 38] Operation: 78-40=38 Exploring Operation: 78-40=38, Resulting Numbers: [78, 38] Generated Node #0,0,1: 41:[78, 38] Operation: 78-40=38 Exploring Operation: 78/78=1, Resulting Numbers: [40, 1] Generated Node #0,0,2: 41:[40, 1] Operation: 78/78=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[78, 38], Operations: ['88-48=40', '78-40=38'] Exploring Operation: 78*38=2964, Resulting Numbers: [2964] 2964,41 unequal: No Solution Exploring Operation: 78-38=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 78+38=116, Resulting Numbers: [116] 116,41 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 #0,0,1 Current State: 41:[78, 38], Operations: ['88-48=40', '78-40=38'] Exploring Operation: 78*38=2964, Resulting Numbers: [2964] 2964,41 unequal: No Solution Exploring Operation: 78+38=116, Resulting Numbers: [116] 116,41 unequal: No Solution Exploring Operation: 78-38=40, Resulting Numbers: [40] 40,41 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 #0,0,2 Current State: 41:[40, 1], Operations: ['88-48=40', '78/78=1'] Exploring Operation: 40*1=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 40+1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[48, 78, 88, 78], Operations: [] Exploring Operation: 88-48=40, Resulting Numbers: [78, 78, 40] Generated Node #0,0: 41:[78, 78, 40] Operation: 88-48=40 Moving to Node #0,0 Current State: 41:[78, 78, 40], Operations: ['88-48=40'] Exploring Operation: 78/78=1, Resulting Numbers: [40, 1] Generated Node #0,0,2: 41:[40, 1] Operation: 78/78=1 Moving to Node #0,0,2 Current State: 41:[40, 1], Operations: ['88-48=40', '78/78=1'] Exploring Operation: 40+1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 23, 20, 75, 11 ]
89
[ "23-20=3", "75+11=86", "3+86=89" ]
Current State: 89:[23, 20, 75, 11], Operations: [] Exploring Operation: 23-20=3, Resulting Numbers: [75, 11, 3] Generated Node #2: [75, 11, 3] from Operation: 23-20=3 Current State: 89:[75, 11, 3], Operations: ['23-20=3'] Exploring Operation: 75+11=86, Resulting Numbers: [3, 86] Generated Node #3: [3, 86] from Operation: 75+11=86 Current State: 89:[3, 86], Operations: ['23-20=3', '75+11=86'] Exploring Operation: 3+86=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[23, 20, 75, 11], Operations: [] Exploring Operation: 23+20=43, Resulting Numbers: [75, 11, 43] Generated Node #0,0: 89:[75, 11, 43] Operation: 23+20=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[75, 11, 43], Operations: ['23+20=43'] Exploring Operation: 75+11=86, Resulting Numbers: [43, 86] Generated Node #0,0,0: 89:[43, 86] Operation: 75+11=86 Moving to Node #0,0,0 Current State: 89:[43, 86], Operations: ['23+20=43', '75+11=86'] Exploring Operation: 43+86=129, Resulting Numbers: [129] 129,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 5, 23, 23, 32 ]
92
[ "5+23=28", "32-28=4", "23*4=92" ]
Current State: 92:[5, 23, 23, 32], Operations: [] Exploring Operation: 5+23=28, Resulting Numbers: [32, 28] Generated Node #2: [32, 28] from Operation: 5+23=28 Current State: 92:[32, 28], Operations: ['5+23=28'] Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,92 equal: Goal Reached Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[5, 23, 23, 32], Operations: [] Exploring Operation: 32-23=9, Resulting Numbers: [5, 23, 9] Generated Node #0,0: 92:[5, 23, 9] Operation: 32-23=9 Exploring Operation: 32-23=9, Resulting Numbers: [5, 23, 9] Generated Node #0,1: 92:[5, 23, 9] Operation: 32-23=9 Exploring Operation: 32-5=27, Resulting Numbers: [23, 23, 27] Generated Node #0,2: 92:[23, 23, 27] Operation: 32-5=27 Exploring Operation: 5+32=37, Resulting Numbers: [23, 23, 37] Generated Node #0,3: 92:[23, 23, 37] Operation: 5+32=37 Exploring Operation: 23+23=46, Resulting Numbers: [5, 32, 46] Generated Node #0,4: 92:[5, 32, 46] Operation: 23+23=46 Moving to Node #0,2 Current State: 92:[23, 23, 27], Operations: ['32-5=27'] Exploring Operation: 27-23=4, Resulting Numbers: [23, 4] Generated Node #0,2,0: 92:[23, 4] Operation: 27-23=4 Exploring Operation: 27-23=4, Resulting Numbers: [23, 4] Generated Node #0,2,1: 92:[23, 4] Operation: 27-23=4 Exploring Operation: 23+27=50, Resulting Numbers: [23, 50] Generated Node #0,2,2: 92:[23, 50] Operation: 23+27=50 Exploring Operation: 23+23=46, Resulting Numbers: [27, 46] Generated Node #0,2,3: 92:[27, 46] Operation: 23+23=46 Exploring Operation: 23+27=50, Resulting Numbers: [23, 50] Generated Node #0,2,4: 92:[23, 50] Operation: 23+27=50 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 92:[23, 4], Operations: ['32-5=27', '27-23=4'] Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[5, 23, 23, 32], Operations: [] Exploring Operation: 32-5=27, Resulting Numbers: [23, 23, 27] Generated Node #0,2: 92:[23, 23, 27] Operation: 32-5=27 Moving to Node #0,2 Current State: 92:[23, 23, 27], Operations: ['32-5=27'] Exploring Operation: 27-23=4, Resulting Numbers: [23, 4] Generated Node #0,2,0: 92:[23, 4] Operation: 27-23=4 Moving to Node #0,2,0 Current State: 92:[23, 4], Operations: ['32-5=27', '27-23=4'] Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 34, 90, 27, 39 ]
37
[ "90+27=117", "117/39=3", "34+3=37" ]
Current State: 37:[34, 90, 27, 39], Operations: [] Exploring Operation: 90+27=117, Resulting Numbers: [34, 39, 117] Generated Node #2: [34, 39, 117] from Operation: 90+27=117 Current State: 37:[34, 39, 117], Operations: ['90+27=117'] Exploring Operation: 117/39=3, Resulting Numbers: [34, 3] Generated Node #3: [34, 3] from Operation: 117/39=3 Current State: 37:[34, 3], Operations: ['90+27=117', '117/39=3'] Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[34, 90, 27, 39], Operations: [] Exploring Operation: 90-34=56, Resulting Numbers: [27, 39, 56] Generated Node #0,0: 37:[27, 39, 56] Operation: 90-34=56 Exploring Operation: 90-27=63, Resulting Numbers: [34, 39, 63] Generated Node #0,1: 37:[34, 39, 63] Operation: 90-27=63 Exploring Operation: 34+27=61, Resulting Numbers: [90, 39, 61] Generated Node #0,2: 37:[90, 39, 61] Operation: 34+27=61 Exploring Operation: 39-27=12, Resulting Numbers: [34, 90, 12] Generated Node #0,3: 37:[34, 90, 12] Operation: 39-27=12 Exploring Operation: 90-39=51, Resulting Numbers: [34, 27, 51] Generated Node #0,4: 37:[34, 27, 51] Operation: 90-39=51 Moving to Node #0,4 Current State: 37:[34, 27, 51], Operations: ['90-39=51'] Exploring Operation: 34-27=7, Resulting Numbers: [51, 7] Generated Node #0,4,0: 37:[51, 7] Operation: 34-27=7 Exploring Operation: 51-27=24, Resulting Numbers: [34, 24] Generated Node #0,4,1: 37:[34, 24] Operation: 51-27=24 Exploring Operation: 27+51=78, Resulting Numbers: [34, 78] Generated Node #0,4,2: 37:[34, 78] Operation: 27+51=78 Exploring Operation: 51-34=17, Resulting Numbers: [27, 17] Generated Node #0,4,3: 37:[27, 17] Operation: 51-34=17 Exploring Operation: 34+27=61, Resulting Numbers: [51, 61] Generated Node #0,4,4: 37:[51, 61] Operation: 34+27=61 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 37:[34, 24], Operations: ['90-39=51', '51-27=24'] Exploring Operation: 34+24=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 34*24=816, Resulting Numbers: [816] 816,37 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: 37:[27, 17], Operations: ['90-39=51', '51-34=17'] Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 27*17=459, Resulting Numbers: [459] 459,37 unequal: No Solution Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,37 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: 37:[51, 61], Operations: ['90-39=51', '34+27=61'] Exploring Operation: 51*61=3111, Resulting Numbers: [3111] 3111,37 unequal: No Solution Exploring Operation: 51+61=112, Resulting Numbers: [112] 112,37 unequal: No Solution Exploring Operation: 61-51=10, Resulting Numbers: [10] 10,37 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: 37:[51, 7], Operations: ['90-39=51', '34-27=7'] Exploring Operation: 51+7=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 51*7=357, Resulting Numbers: [357] 357,37 unequal: No Solution Exploring Operation: 51-7=44, Resulting Numbers: [44] 44,37 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: 37:[34, 78], Operations: ['90-39=51', '27+51=78'] Exploring Operation: 78-34=44, Resulting Numbers: [44] 44,37 unequal: No Solution Exploring Operation: 34+78=112, Resulting Numbers: [112] 112,37 unequal: No Solution Exploring Operation: 34*78=2652, Resulting Numbers: [2652] 2652,37 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: 37:[34, 39, 63], Operations: ['90-27=63'] Exploring Operation: 39-34=5, Resulting Numbers: [63, 5] Generated Node #0,1,0: 37:[63, 5] Operation: 39-34=5 Exploring Operation: 34+39=73, Resulting Numbers: [63, 73] Generated Node #0,1,1: 37:[63, 73] Operation: 34+39=73 Exploring Operation: 63-39=24, Resulting Numbers: [34, 24] Generated Node #0,1,2: 37:[34, 24] Operation: 63-39=24 Exploring Operation: 63-34=29, Resulting Numbers: [39, 29] Generated Node #0,1,3: 37:[39, 29] Operation: 63-34=29 Exploring Operation: 34+63=97, Resulting Numbers: [39, 97] Generated Node #0,1,4: 37:[39, 97] Operation: 34+63=97 Moving to Node #0,0 Current State: 37:[27, 39, 56], Operations: ['90-34=56'] Exploring Operation: 39-27=12, Resulting Numbers: [56, 12] Generated Node #0,0,0: 37:[56, 12] Operation: 39-27=12 Exploring Operation: 56-39=17, Resulting Numbers: [27, 17] Generated Node #0,0,1: 37:[27, 17] Operation: 56-39=17 Exploring Operation: 27+39=66, Resulting Numbers: [56, 66] Generated Node #0,0,2: 37:[56, 66] Operation: 27+39=66 Exploring Operation: 27+56=83, Resulting Numbers: [39, 83] Generated Node #0,0,3: 37:[39, 83] Operation: 27+56=83 Exploring Operation: 56-27=29, Resulting Numbers: [39, 29] Generated Node #0,0,4: 37:[39, 29] Operation: 56-27=29 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 37:[39, 29], Operations: ['90-34=56', '56-27=29'] Exploring Operation: 39-29=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 39*29=1131, Resulting Numbers: [1131] 1131,37 unequal: No Solution Exploring Operation: 39+29=68, Resulting Numbers: [68] 68,37 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: 37:[27, 17], Operations: ['90-34=56', '56-39=17'] Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,37 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 27*17=459, Resulting Numbers: [459] 459,37 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: 37:[56, 12], Operations: ['90-34=56', '39-27=12'] Exploring Operation: 56*12=672, Resulting Numbers: [672] 672,37 unequal: No Solution Exploring Operation: 56+12=68, Resulting Numbers: [68] 68,37 unequal: No Solution Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,37 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: 37:[56, 66], Operations: ['90-34=56', '27+39=66'] Exploring Operation: 66-56=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 56*66=3696, Resulting Numbers: [3696] 3696,37 unequal: No Solution Exploring Operation: 56+66=122, Resulting Numbers: [122] 122,37 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: 37:[39, 83], Operations: ['90-34=56', '27+56=83'] Exploring Operation: 39+83=122, Resulting Numbers: [122] 122,37 unequal: No Solution Exploring Operation: 39*83=3237, Resulting Numbers: [3237] 3237,37 unequal: No Solution Exploring Operation: 83-39=44, Resulting Numbers: [44] 44,37 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: 37:[90, 39, 61], Operations: ['34+27=61'] Exploring Operation: 90+61=151, Resulting Numbers: [39, 151] Generated Node #0,2,0: 37:[39, 151] Operation: 90+61=151 Exploring Operation: 90-61=29, Resulting Numbers: [39, 29] Generated Node #0,2,1: 37:[39, 29] Operation: 90-61=29 Exploring Operation: 61-39=22, Resulting Numbers: [90, 22] Generated Node #0,2,2: 37:[90, 22] Operation: 61-39=22 Exploring Operation: 90+39=129, Resulting Numbers: [61, 129] Generated Node #0,2,3: 37:[61, 129] Operation: 90+39=129 Exploring Operation: 90-39=51, Resulting Numbers: [61, 51] Generated Node #0,2,4: 37:[61, 51] Operation: 90-39=51 Moving to Node #0,3 Current State: 37:[34, 90, 12], Operations: ['39-27=12'] Exploring Operation: 90+12=102, Resulting Numbers: [34, 102] Generated Node #0,3,0: 37:[34, 102] Operation: 90+12=102 Exploring Operation: 90-12=78, Resulting Numbers: [34, 78] Generated Node #0,3,1: 37:[34, 78] Operation: 90-12=78 Exploring Operation: 34+12=46, Resulting Numbers: [90, 46] Generated Node #0,3,2: 37:[90, 46] Operation: 34+12=46 Exploring Operation: 34-12=22, Resulting Numbers: [90, 22] Generated Node #0,3,3: 37:[90, 22] Operation: 34-12=22 Exploring Operation: 90-34=56, Resulting Numbers: [12, 56] Generated Node #0,3,4: 37:[12, 56] Operation: 90-34=56 Moving to Node #0,1,3 Current State: 37:[39, 29], Operations: ['90-27=63', '63-34=29'] Exploring Operation: 39+29=68, Resulting Numbers: [68] 68,37 unequal: No Solution Exploring Operation: 39-29=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 39*29=1131, Resulting Numbers: [1131] 1131,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[39, 29], Operations: ['34+27=61', '90-61=29'] Exploring Operation: 39*29=1131, Resulting Numbers: [1131] 1131,37 unequal: No Solution Exploring Operation: 39+29=68, Resulting Numbers: [68] 68,37 unequal: No Solution Exploring Operation: 39-29=10, Resulting Numbers: [10] 10,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[34, 24], Operations: ['90-27=63', '63-39=24'] Exploring Operation: 34*24=816, Resulting Numbers: [816] 816,37 unequal: No Solution Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 34+24=58, Resulting Numbers: [58] 58,37 unequal: No Solution Moving to Node #0,2,4 Current State: 37:[61, 51], Operations: ['34+27=61', '90-39=51'] Exploring Operation: 61-51=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 61+51=112, Resulting Numbers: [112] 112,37 unequal: No Solution Exploring Operation: 61*51=3111, Resulting Numbers: [3111] 3111,37 unequal: No Solution Moving to Node #0,3,4 Current State: 37:[12, 56], Operations: ['39-27=12', '90-34=56'] Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,37 unequal: No Solution Exploring Operation: 12+56=68, Resulting Numbers: [68] 68,37 unequal: No Solution Exploring Operation: 12*56=672, Resulting Numbers: [672] 672,37 unequal: No Solution Moving to Node #0,3,1 Current State: 37:[34, 78], Operations: ['39-27=12', '90-12=78'] Exploring Operation: 78-34=44, Resulting Numbers: [44] 44,37 unequal: No Solution Exploring Operation: 34+78=112, Resulting Numbers: [112] 112,37 unequal: No Solution Exploring Operation: 34*78=2652, Resulting Numbers: [2652] 2652,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[63, 5], Operations: ['90-27=63', '39-34=5'] Exploring Operation: 63*5=315, Resulting Numbers: [315] 315,37 unequal: No Solution Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 63+5=68, Resulting Numbers: [68] 68,37 unequal: No Solution Moving to Node #0,3,2 Current State: 37:[90, 46], Operations: ['39-27=12', '34+12=46'] Exploring Operation: 90*46=4140, Resulting Numbers: [4140] 4140,37 unequal: No Solution Exploring Operation: 90-46=44, Resulting Numbers: [44] 44,37 unequal: No Solution Exploring Operation: 90+46=136, Resulting Numbers: [136] 136,37 unequal: No Solution Moving to Node #0,1,4 Current State: 37:[39, 97], Operations: ['90-27=63', '34+63=97'] Exploring Operation: 39*97=3783, Resulting Numbers: [3783] 3783,37 unequal: No Solution Exploring Operation: 39+97=136, Resulting Numbers: [136] 136,37 unequal: No Solution Exploring Operation: 97-39=58, Resulting Numbers: [58] 58,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[63, 73], Operations: ['90-27=63', '34+39=73'] Exploring Operation: 63*73=4599, Resulting Numbers: [4599] 4599,37 unequal: No Solution Exploring Operation: 73-63=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 63+73=136, Resulting Numbers: [136] 136,37 unequal: No Solution Moving to Node #0,3,0 Current State: 37:[34, 102], Operations: ['39-27=12', '90+12=102'] Exploring Operation: 102/34=3, Resulting Numbers: [3] 3,37 unequal: No Solution Exploring Operation: 102-34=68, Resulting Numbers: [68] 68,37 unequal: No Solution Exploring Operation: 34*102=3468, Resulting Numbers: [3468] 3468,37 unequal: No Solution Exploring Operation: 34+102=136, Resulting Numbers: [136] 136,37 unequal: No Solution Moving to Node #0,3,3 Current State: 37:[90, 22], Operations: ['39-27=12', '34-12=22'] Exploring Operation: 90*22=1980, Resulting Numbers: [1980] 1980,37 unequal: No Solution Exploring Operation: 90+22=112, Resulting Numbers: [112] 112,37 unequal: No Solution Exploring Operation: 90-22=68, Resulting Numbers: [68] 68,37 unequal: No Solution Moving to Node #0,2,2 Current State: 37:[90, 22], Operations: ['34+27=61', '61-39=22'] Exploring Operation: 90-22=68, Resulting Numbers: [68] 68,37 unequal: No Solution Exploring Operation: 90*22=1980, Resulting Numbers: [1980] 1980,37 unequal: No Solution Exploring Operation: 90+22=112, Resulting Numbers: [112] 112,37 unequal: No Solution Moving to Node #0,2,0 Current State: 37:[39, 151], Operations: ['34+27=61', '90+61=151'] Exploring Operation: 39+151=190, Resulting Numbers: [190] 190,37 unequal: No Solution Exploring Operation: 39*151=5889, Resulting Numbers: [5889] 5889,37 unequal: No Solution Exploring Operation: 151-39=112, Resulting Numbers: [112] 112,37 unequal: No Solution Moving to Node #0,2,3 Current State: 37:[61, 129], Operations: ['34+27=61', '90+39=129'] Exploring Operation: 61+129=190, Resulting Numbers: [190] 190,37 unequal: No Solution Exploring Operation: 129-61=68, Resulting Numbers: [68] 68,37 unequal: No Solution Exploring Operation: 61*129=7869, Resulting Numbers: [7869] 7869,37 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 71, 5, 1, 62 ]
48
[ "71-1=70", "70/5=14", "62-14=48" ]
Current State: 48:[71, 5, 1, 62], Operations: [] Exploring Operation: 71-1=70, Resulting Numbers: [5, 62, 70] Generated Node #2: [5, 62, 70] from Operation: 71-1=70 Current State: 48:[5, 62, 70], Operations: ['71-1=70'] Exploring Operation: 70/5=14, Resulting Numbers: [62, 14] Generated Node #3: [62, 14] from Operation: 70/5=14 Current State: 48:[62, 14], Operations: ['71-1=70', '70/5=14'] Exploring Operation: 62-14=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[71, 5, 1, 62], Operations: [] Exploring Operation: 71-5=66, Resulting Numbers: [1, 62, 66] Generated Node #0,0: 48:[1, 62, 66] Operation: 71-5=66 Exploring Operation: 71-62=9, Resulting Numbers: [5, 1, 9] Generated Node #0,1: 48:[5, 1, 9] Operation: 71-62=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[5, 1, 9], Operations: ['71-62=9'] Exploring Operation: 5-1=4, Resulting Numbers: [9, 4] Generated Node #0,1,0: 48:[9, 4] Operation: 5-1=4 Exploring Operation: 5+1=6, Resulting Numbers: [9, 6] Generated Node #0,1,1: 48:[9, 6] Operation: 5+1=6 Moving to Node #0,1,0 Current State: 48:[9, 4], Operations: ['71-62=9', '5-1=4'] Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,48 unequal: No Solution Moving to Node #0,1,1 Current State: 48:[9, 6], Operations: ['71-62=9', '5+1=6'] Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 9+6=15, Resulting Numbers: [15] 15,48 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 Current State: 48:[1, 62, 66], Operations: ['71-5=66'] Exploring Operation: 62-1=61, Resulting Numbers: [66, 61] Generated Node #0,0,0: 48:[66, 61] Operation: 62-1=61 Exploring Operation: 66-62=4, Resulting Numbers: [1, 4] Generated Node #0,0,1: 48:[1, 4] Operation: 66-62=4 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 48:[1, 4], Operations: ['71-5=66', '66-62=4'] Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,48 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: 48:[66, 61], Operations: ['71-5=66', '62-1=61'] Exploring Operation: 66+61=127, Resulting Numbers: [127] 127,48 unequal: No Solution Exploring Operation: 66-61=5, Resulting Numbers: [5] 5,48 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
[ 88, 65, 46, 8 ]
100
[ "88/8=11", "65+46=111", "111-11=100" ]
Current State: 100:[88, 65, 46, 8], Operations: [] Exploring Operation: 88/8=11, Resulting Numbers: [65, 46, 11] Generated Node #2: [65, 46, 11] from Operation: 88/8=11 Current State: 100:[65, 46, 11], Operations: ['88/8=11'] Exploring Operation: 65+46=111, Resulting Numbers: [11, 111] Generated Node #3: [11, 111] from Operation: 65+46=111 Current State: 100:[11, 111], Operations: ['88/8=11', '65+46=111'] Exploring Operation: 111-11=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[88, 65, 46, 8], Operations: [] Exploring Operation: 65-46=19, Resulting Numbers: [88, 8, 19] Generated Node #0,0: 100:[88, 8, 19] Operation: 65-46=19 Exploring Operation: 88/8=11, Resulting Numbers: [65, 46, 11] Generated Node #0,1: 100:[65, 46, 11] Operation: 88/8=11 Exploring Operation: 88-65=23, Resulting Numbers: [46, 8, 23] Generated Node #0,2: 100:[46, 8, 23] Operation: 88-65=23 Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[46, 8, 23], Operations: ['88-65=23'] Exploring Operation: 46/23=2, Resulting Numbers: [8, 2] Generated Node #0,2,0: 100:[8, 2] Operation: 46/23=2 Exploring Operation: 46+8=54, Resulting Numbers: [23, 54] Generated Node #0,2,1: 100:[23, 54] Operation: 46+8=54 Exploring Operation: 46-23=23, Resulting Numbers: [8, 23] Generated Node #0,2,2: 100:[8, 23] Operation: 46-23=23 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 100:[8, 2], Operations: ['88-65=23', '46/23=2'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,100 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,100 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,100 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:[8, 23], Operations: ['88-65=23', '46-23=23'] Exploring Operation: 8*23=184, Resulting Numbers: [184] 184,100 unequal: No Solution Exploring Operation: 8+23=31, Resulting Numbers: [31] 31,100 unequal: No Solution Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,100 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:[23, 54], Operations: ['88-65=23', '46+8=54'] Exploring Operation: 54-23=31, Resulting Numbers: [31] 31,100 unequal: No Solution Exploring Operation: 23+54=77, Resulting Numbers: [77] 77,100 unequal: No Solution Exploring Operation: 23*54=1242, Resulting Numbers: [1242] 1242,100 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:[88, 8, 19], Operations: ['65-46=19'] Exploring Operation: 88/8=11, Resulting Numbers: [19, 11] Generated Node #0,0,0: 100:[19, 11] Operation: 88/8=11 Exploring Operation: 88+19=107, Resulting Numbers: [8, 107] Generated Node #0,0,1: 100:[8, 107] Operation: 88+19=107 Exploring Operation: 88+8=96, Resulting Numbers: [19, 96] Generated Node #0,0,2: 100:[19, 96] Operation: 88+8=96 Moving to Node #0,0,0 Current State: 100:[19, 11], Operations: ['65-46=19', '88/8=11'] Exploring Operation: 19*11=209, Resulting Numbers: [209] 209,100 unequal: No Solution Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,100 unequal: No Solution Exploring Operation: 19+11=30, Resulting Numbers: [30] 30,100 unequal: No Solution Moving to Node #0,0,2 Current State: 100:[19, 96], Operations: ['65-46=19', '88+8=96'] Exploring Operation: 19*96=1824, Resulting Numbers: [1824] 1824,100 unequal: No Solution Exploring Operation: 96-19=77, Resulting Numbers: [77] 77,100 unequal: No Solution Exploring Operation: 19+96=115, Resulting Numbers: [115] 115,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[8, 107], Operations: ['65-46=19', '88+19=107'] Exploring Operation: 8*107=856, Resulting Numbers: [856] 856,100 unequal: No Solution Exploring Operation: 8+107=115, Resulting Numbers: [115] 115,100 unequal: No Solution Exploring Operation: 107-8=99, Resulting Numbers: [99] 99,100 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 #0,1 Current State: 100:[65, 46, 11], Operations: ['88/8=11'] Exploring Operation: 65+46=111, Resulting Numbers: [11, 111] Generated Node #0,1,0: 100:[11, 111] Operation: 65+46=111 Exploring Operation: 65-11=54, Resulting Numbers: [46, 54] Generated Node #0,1,1: 100:[46, 54] Operation: 65-11=54 Exploring Operation: 65-46=19, Resulting Numbers: [11, 19] Generated Node #0,1,2: 100:[11, 19] Operation: 65-46=19 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 100:[11, 19], Operations: ['88/8=11', '65-46=19'] Exploring Operation: 11+19=30, Resulting Numbers: [30] 30,100 unequal: No Solution Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,100 unequal: No Solution Exploring Operation: 11*19=209, Resulting Numbers: [209] 209,100 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 #0,1,1 Current State: 100:[46, 54], Operations: ['88/8=11', '65-11=54'] Exploring Operation: 46*54=2484, Resulting Numbers: [2484] 2484,100 unequal: No Solution Exploring Operation: 46+54=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[88, 65, 46, 8], Operations: [] Exploring Operation: 88/8=11, Resulting Numbers: [65, 46, 11] Generated Node #0,1: 100:[65, 46, 11] Operation: 88/8=11 Moving to Node #0,1 Current State: 100:[65, 46, 11], Operations: ['88/8=11'] Exploring Operation: 65-11=54, Resulting Numbers: [46, 54] Generated Node #0,1,1: 100:[46, 54] Operation: 65-11=54 Moving to Node #0,1,1 Current State: 100:[46, 54], Operations: ['88/8=11', '65-11=54'] Exploring Operation: 46+54=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.966146
hs_3
mult_heuristic
[ 28, 49, 54, 57 ]
35
[ "57-54=3", "28*3=84", "84-49=35" ]
Current State: 35:[28, 49, 54, 57], Operations: [] Exploring Operation: 57-54=3, Resulting Numbers: [28, 49, 3] Generated Node #2: [28, 49, 3] from Operation: 57-54=3 Current State: 35:[28, 49, 3], Operations: ['57-54=3'] Exploring Operation: 28*3=84, Resulting Numbers: [49, 84] Generated Node #3: [49, 84] from Operation: 28*3=84 Current State: 35:[49, 84], Operations: ['57-54=3', '28*3=84'] Exploring Operation: 84-49=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[28, 49, 54, 57], Operations: [] Exploring Operation: 54-49=5, Resulting Numbers: [28, 57, 5] Generated Node #0,0: 35:[28, 57, 5] Operation: 54-49=5 Exploring Operation: 57-54=3, Resulting Numbers: [28, 49, 3] Generated Node #0,1: 35:[28, 49, 3] Operation: 57-54=3 Exploring Operation: 57-28=29, Resulting Numbers: [49, 54, 29] Generated Node #0,2: 35:[49, 54, 29] Operation: 57-28=29 Exploring Operation: 54-28=26, Resulting Numbers: [49, 57, 26] Generated Node #0,3: 35:[49, 57, 26] Operation: 54-28=26 Exploring Operation: 57-49=8, Resulting Numbers: [28, 54, 8] Generated Node #0,4: 35:[28, 54, 8] Operation: 57-49=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[28, 49, 3], Operations: ['57-54=3'] Exploring Operation: 49+3=52, Resulting Numbers: [28, 52] Generated Node #0,1,0: 35:[28, 52] Operation: 49+3=52 Exploring Operation: 49-28=21, Resulting Numbers: [3, 21] Generated Node #0,1,1: 35:[3, 21] Operation: 49-28=21 Exploring Operation: 49-3=46, Resulting Numbers: [28, 46] Generated Node #0,1,2: 35:[28, 46] Operation: 49-3=46 Exploring Operation: 28-3=25, Resulting Numbers: [49, 25] Generated Node #0,1,3: 35:[49, 25] Operation: 28-3=25 Exploring Operation: 28+3=31, Resulting Numbers: [49, 31] Generated Node #0,1,4: 35:[49, 31] Operation: 28+3=31 Moving to Node #0,1,1 Current State: 35:[3, 21], Operations: ['57-54=3', '49-28=21'] Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,35 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,35 unequal: No Solution Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,35 unequal: No Solution Moving to Node #0,1,4 Current State: 35:[49, 31], Operations: ['57-54=3', '28+3=31'] Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 49+31=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 49*31=1519, Resulting Numbers: [1519] 1519,35 unequal: No Solution Moving to Node #0,1,2 Current State: 35:[28, 46], Operations: ['57-54=3', '49-3=46'] Exploring Operation: 46-28=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 28*46=1288, Resulting Numbers: [1288] 1288,35 unequal: No Solution Exploring Operation: 28+46=74, Resulting Numbers: [74] 74,35 unequal: No Solution Moving to Node #0,1,0 Current State: 35:[28, 52], Operations: ['57-54=3', '49+3=52'] Exploring Operation: 28*52=1456, Resulting Numbers: [1456] 1456,35 unequal: No Solution Exploring Operation: 28+52=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 52-28=24, Resulting Numbers: [24] 24,35 unequal: No Solution Moving to Node #0,1,3 Current State: 35:[49, 25], Operations: ['57-54=3', '28-3=25'] Exploring Operation: 49*25=1225, Resulting Numbers: [1225] 1225,35 unequal: No Solution Exploring Operation: 49+25=74, Resulting Numbers: [74] 74,35 unequal: No Solution Exploring Operation: 49-25=24, Resulting Numbers: [24] 24,35 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: 35:[28, 54, 8], Operations: ['57-49=8'] Exploring Operation: 54-28=26, Resulting Numbers: [8, 26] Generated Node #0,4,0: 35:[8, 26] Operation: 54-28=26 Exploring Operation: 28-8=20, Resulting Numbers: [54, 20] Generated Node #0,4,1: 35:[54, 20] Operation: 28-8=20 Exploring Operation: 54+8=62, Resulting Numbers: [28, 62] Generated Node #0,4,2: 35:[28, 62] Operation: 54+8=62 Exploring Operation: 28+8=36, Resulting Numbers: [54, 36] Generated Node #0,4,3: 35:[54, 36] Operation: 28+8=36 Exploring Operation: 54-8=46, Resulting Numbers: [28, 46] Generated Node #0,4,4: 35:[28, 46] Operation: 54-8=46 Moving to Node #0,4,0 Current State: 35:[8, 26], Operations: ['57-49=8', '54-28=26'] Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,35 unequal: No Solution Exploring Operation: 8*26=208, Resulting Numbers: [208] 208,35 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,35 unequal: No Solution Moving to Node #0,4,4 Current State: 35:[28, 46], Operations: ['57-49=8', '54-8=46'] Exploring Operation: 46-28=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 28+46=74, Resulting Numbers: [74] 74,35 unequal: No Solution Exploring Operation: 28*46=1288, Resulting Numbers: [1288] 1288,35 unequal: No Solution Moving to Node #0,4,3 Current State: 35:[54, 36], Operations: ['57-49=8', '28+8=36'] Exploring Operation: 54-36=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 54+36=90, Resulting Numbers: [90] 90,35 unequal: No Solution Exploring Operation: 54*36=1944, Resulting Numbers: [1944] 1944,35 unequal: No Solution Moving to Node #0,4,1 Current State: 35:[54, 20], Operations: ['57-49=8', '28-8=20'] Exploring Operation: 54+20=74, Resulting Numbers: [74] 74,35 unequal: No Solution Exploring Operation: 54*20=1080, Resulting Numbers: [1080] 1080,35 unequal: No Solution Exploring Operation: 54-20=34, Resulting Numbers: [34] 34,35 unequal: No Solution Moving to Node #0,4,2 Current State: 35:[28, 62], Operations: ['57-49=8', '54+8=62'] Exploring Operation: 28*62=1736, Resulting Numbers: [1736] 1736,35 unequal: No Solution Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,35 unequal: No Solution Exploring Operation: 28+62=90, Resulting Numbers: [90] 90,35 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: 35:[28, 57, 5], Operations: ['54-49=5'] Exploring Operation: 28-5=23, Resulting Numbers: [57, 23] Generated Node #0,0,0: 35:[57, 23] Operation: 28-5=23 Exploring Operation: 57+5=62, Resulting Numbers: [28, 62] Generated Node #0,0,1: 35:[28, 62] Operation: 57+5=62 Exploring Operation: 28+5=33, Resulting Numbers: [57, 33] Generated Node #0,0,2: 35:[57, 33] Operation: 28+5=33 Exploring Operation: 57-28=29, Resulting Numbers: [5, 29] Generated Node #0,0,3: 35:[5, 29] Operation: 57-28=29 Exploring Operation: 57-5=52, Resulting Numbers: [28, 52] Generated Node #0,0,4: 35:[28, 52] Operation: 57-5=52 Moving to Node #0,0,3 Current State: 35:[5, 29], Operations: ['54-49=5', '57-28=29'] Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 5*29=145, Resulting Numbers: [145] 145,35 unequal: No Solution Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,35 unequal: No Solution Moving to Node #0,0,4 Current State: 35:[28, 52], Operations: ['54-49=5', '57-5=52'] Exploring Operation: 52-28=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 28+52=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 28*52=1456, Resulting Numbers: [1456] 1456,35 unequal: No Solution Moving to Node #0,0,2 Current State: 35:[57, 33], Operations: ['54-49=5', '28+5=33'] Exploring Operation: 57*33=1881, Resulting Numbers: [1881] 1881,35 unequal: No Solution Exploring Operation: 57+33=90, Resulting Numbers: [90] 90,35 unequal: No Solution Exploring Operation: 57-33=24, Resulting Numbers: [24] 24,35 unequal: No Solution Moving to Node #0,0,0 Current State: 35:[57, 23], Operations: ['54-49=5', '28-5=23'] Exploring Operation: 57*23=1311, Resulting Numbers: [1311] 1311,35 unequal: No Solution Exploring Operation: 57-23=34, Resulting Numbers: [34] 34,35 unequal: No Solution Exploring Operation: 57+23=80, Resulting Numbers: [80] 80,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[28, 62], Operations: ['54-49=5', '57+5=62'] Exploring Operation: 28+62=90, Resulting Numbers: [90] 90,35 unequal: No Solution Exploring Operation: 28*62=1736, Resulting Numbers: [1736] 1736,35 unequal: No Solution Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,35 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: 35:[49, 54, 29], Operations: ['57-28=29'] Exploring Operation: 54+29=83, Resulting Numbers: [49, 83] Generated Node #0,2,0: 35:[49, 83] Operation: 54+29=83 Exploring Operation: 54-49=5, Resulting Numbers: [29, 5] Generated Node #0,2,1: 35:[29, 5] Operation: 54-49=5 Exploring Operation: 54-29=25, Resulting Numbers: [49, 25] Generated Node #0,2,2: 35:[49, 25] Operation: 54-29=25 Exploring Operation: 49-29=20, Resulting Numbers: [54, 20] Generated Node #0,2,3: 35:[54, 20] Operation: 49-29=20 Exploring Operation: 49+29=78, Resulting Numbers: [54, 78] Generated Node #0,2,4: 35:[54, 78] Operation: 49+29=78 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 35:[29, 5], Operations: ['57-28=29', '54-49=5'] Exploring Operation: 29*5=145, Resulting Numbers: [145] 145,35 unequal: No Solution Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 29+5=34, Resulting Numbers: [34] 34,35 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: 35:[49, 25], Operations: ['57-28=29', '54-29=25'] Exploring Operation: 49*25=1225, Resulting Numbers: [1225] 1225,35 unequal: No Solution Exploring Operation: 49-25=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 49+25=74, Resulting Numbers: [74] 74,35 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: 35:[54, 20], Operations: ['57-28=29', '49-29=20'] Exploring Operation: 54*20=1080, Resulting Numbers: [1080] 1080,35 unequal: No Solution Exploring Operation: 54-20=34, Resulting Numbers: [34] 34,35 unequal: No Solution Exploring Operation: 54+20=74, Resulting Numbers: [74] 74,35 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: 35:[49, 83], Operations: ['57-28=29', '54+29=83'] Exploring Operation: 49+83=132, Resulting Numbers: [132] 132,35 unequal: No Solution Exploring Operation: 49*83=4067, Resulting Numbers: [4067] 4067,35 unequal: No Solution Exploring Operation: 83-49=34, Resulting Numbers: [34] 34,35 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: 35:[54, 78], Operations: ['57-28=29', '49+29=78'] Exploring Operation: 54+78=132, Resulting Numbers: [132] 132,35 unequal: No Solution Exploring Operation: 54*78=4212, Resulting Numbers: [4212] 4212,35 unequal: No Solution Exploring Operation: 78-54=24, Resulting Numbers: [24] 24,35 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: 35:[49, 57, 26], Operations: ['54-28=26'] Exploring Operation: 49-26=23, Resulting Numbers: [57, 23] Generated Node #0,3,0: 35:[57, 23] Operation: 49-26=23 Exploring Operation: 57+26=83, Resulting Numbers: [49, 83] Generated Node #0,3,1: 35:[49, 83] Operation: 57+26=83 Exploring Operation: 57-49=8, Resulting Numbers: [26, 8] Generated Node #0,3,2: 35:[26, 8] Operation: 57-49=8 Exploring Operation: 57-26=31, Resulting Numbers: [49, 31] Generated Node #0,3,3: 35:[49, 31] Operation: 57-26=31 Exploring Operation: 49+26=75, Resulting Numbers: [57, 75] Generated Node #0,3,4: 35:[57, 75] Operation: 49+26=75 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 35:[26, 8], Operations: ['54-28=26', '57-49=8'] Exploring Operation: 26+8=34, Resulting Numbers: [34] 34,35 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 26*8=208, Resulting Numbers: [208] 208,35 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: 35:[49, 31], Operations: ['54-28=26', '57-26=31'] Exploring Operation: 49+31=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 49*31=1519, Resulting Numbers: [1519] 1519,35 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: 35:[57, 23], Operations: ['54-28=26', '49-26=23'] Exploring Operation: 57*23=1311, Resulting Numbers: [1311] 1311,35 unequal: No Solution Exploring Operation: 57+23=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 57-23=34, Resulting Numbers: [34] 34,35 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: 35:[49, 83], Operations: ['54-28=26', '57+26=83'] Exploring Operation: 49+83=132, Resulting Numbers: [132] 132,35 unequal: No Solution Exploring Operation: 49*83=4067, Resulting Numbers: [4067] 4067,35 unequal: No Solution Exploring Operation: 83-49=34, Resulting Numbers: [34] 34,35 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: 35:[57, 75], Operations: ['54-28=26', '49+26=75'] Exploring Operation: 75-57=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 57*75=4275, Resulting Numbers: [4275] 4275,35 unequal: No Solution Exploring Operation: 57+75=132, Resulting Numbers: [132] 132,35 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
[ 39, 13, 50, 3 ]
56
[ "39/13=3", "50+3=53", "3+53=56" ]
Current State: 56:[39, 13, 50, 3], Operations: [] Exploring Operation: 39/13=3, Resulting Numbers: [50, 3, 3] Generated Node #2: [50, 3, 3] from Operation: 39/13=3 Current State: 56:[50, 3, 3], Operations: ['39/13=3'] Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,56 equal: Goal Reached Exploring Operation: 3+53=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[39, 13, 50, 3], Operations: [] Exploring Operation: 39-13=26, Resulting Numbers: [50, 3, 26] Generated Node #0,0: 56:[50, 3, 26] Operation: 39-13=26 Exploring Operation: 39/3=13, Resulting Numbers: [13, 50, 13] Generated Node #0,1: 56:[13, 50, 13] Operation: 39/3=13 Exploring Operation: 39+13=52, Resulting Numbers: [50, 3, 52] Generated Node #0,2: 56:[50, 3, 52] Operation: 39+13=52 Exploring Operation: 50-39=11, Resulting Numbers: [13, 3, 11] Generated Node #0,3: 56:[13, 3, 11] Operation: 50-39=11 Exploring Operation: 39/13=3, Resulting Numbers: [50, 3, 3] Generated Node #0,4: 56:[50, 3, 3] Operation: 39/13=3 Moving to Node #0,3 Current State: 56:[13, 3, 11], Operations: ['50-39=11'] Exploring Operation: 13+3=16, Resulting Numbers: [11, 16] Generated Node #0,3,0: 56:[11, 16] Operation: 13+3=16 Exploring Operation: 13-11=2, Resulting Numbers: [3, 2] Generated Node #0,3,1: 56:[3, 2] Operation: 13-11=2 Exploring Operation: 3+11=14, Resulting Numbers: [13, 14] Generated Node #0,3,2: 56:[13, 14] Operation: 3+11=14 Exploring Operation: 13-3=10, Resulting Numbers: [11, 10] Generated Node #0,3,3: 56:[11, 10] Operation: 13-3=10 Exploring Operation: 11-3=8, Resulting Numbers: [13, 8] Generated Node #0,3,4: 56:[13, 8] Operation: 11-3=8 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 56:[3, 2], Operations: ['50-39=11', '13-11=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,56 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,56 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,56 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 #0,3,2 Current State: 56:[13, 14], Operations: ['50-39=11', '3+11=14'] Exploring Operation: 13*14=182, Resulting Numbers: [182] 182,56 unequal: No Solution Exploring Operation: 13+14=27, Resulting Numbers: [27] 27,56 unequal: No Solution Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,56 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 #0,3,4 Current State: 56:[13, 8], Operations: ['50-39=11', '11-3=8'] Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,56 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,56 unequal: No Solution Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,56 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 #0,3,0 Current State: 56:[11, 16], Operations: ['50-39=11', '13+3=16'] Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,56 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,56 unequal: No Solution Exploring Operation: 11*16=176, Resulting Numbers: [176] 176,56 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 #0,3,3 Current State: 56:[11, 10], Operations: ['50-39=11', '13-3=10'] Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,56 unequal: No Solution Exploring Operation: 11*10=110, Resulting Numbers: [110] 110,56 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,56 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: 56:[50, 3, 3], Operations: ['39/13=3'] Exploring Operation: 3/3=1, Resulting Numbers: [50, 1] Generated Node #0,4,0: 56:[50, 1] Operation: 3/3=1 Exploring Operation: 3+3=6, Resulting Numbers: [50, 6] Generated Node #0,4,1: 56:[50, 6] Operation: 3+3=6 Exploring Operation: 50+3=53, Resulting Numbers: [3, 53] Generated Node #0,4,2: 56:[3, 53] Operation: 50+3=53 Exploring Operation: 50+3=53, Resulting Numbers: [3, 53] Generated Node #0,4,3: 56:[3, 53] Operation: 50+3=53 Exploring Operation: 3*3=9, Resulting Numbers: [50, 9] Generated Node #0,4,4: 56:[50, 9] Operation: 3*3=9 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 56:[3, 53], Operations: ['39/13=3', '50+3=53'] Exploring Operation: 3*53=159, Resulting Numbers: [159] 159,56 unequal: No Solution Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,56 unequal: No Solution Exploring Operation: 3+53=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[39, 13, 50, 3], Operations: [] Exploring Operation: 39/13=3, Resulting Numbers: [50, 3, 3] Generated Node #0,4: 56:[50, 3, 3] Operation: 39/13=3 Moving to Node #0,4 Current State: 56:[50, 3, 3], Operations: ['39/13=3'] Exploring Operation: 50+3=53, Resulting Numbers: [3, 53] Generated Node #0,4,2: 56:[3, 53] Operation: 50+3=53 Moving to Node #0,4,2 Current State: 56:[3, 53], Operations: ['39/13=3', '50+3=53'] Exploring Operation: 3+53=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 71, 73, 60, 11 ]
19
[ "73-71=2", "60/2=30", "30-11=19" ]
Current State: 19:[71, 73, 60, 11], Operations: [] Exploring Operation: 73-71=2, Resulting Numbers: [60, 11, 2] Generated Node #2: [60, 11, 2] from Operation: 73-71=2 Current State: 19:[60, 11, 2], Operations: ['73-71=2'] Exploring Operation: 60/2=30, Resulting Numbers: [11, 30] Generated Node #3: [11, 30] from Operation: 60/2=30 Current State: 19:[11, 30], Operations: ['73-71=2', '60/2=30'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[71, 73, 60, 11], Operations: [] Exploring Operation: 73-71=2, Resulting Numbers: [60, 11, 2] Generated Node #0,0: 19:[60, 11, 2] Operation: 73-71=2 Moving to Node #0,0 Current State: 19:[60, 11, 2], Operations: ['73-71=2'] Exploring Operation: 60/2=30, Resulting Numbers: [11, 30] Generated Node #0,0,0: 19:[11, 30] Operation: 60/2=30 Moving to Node #0,0,0 Current State: 19:[11, 30], Operations: ['73-71=2', '60/2=30'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[71, 73, 60, 11], Operations: [] Exploring Operation: 73-71=2, Resulting Numbers: [60, 11, 2] Generated Node #0,0: 19:[60, 11, 2] Operation: 73-71=2 Moving to Node #0,0 Current State: 19:[60, 11, 2], Operations: ['73-71=2'] Exploring Operation: 60/2=30, Resulting Numbers: [11, 30] Generated Node #0,0,0: 19:[11, 30] Operation: 60/2=30 Moving to Node #0,0,0 Current State: 19:[11, 30], Operations: ['73-71=2', '60/2=30'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 35, 51, 63, 58 ]
11
[ "51-35=16", "63-58=5", "16-5=11" ]
Current State: 11:[35, 51, 63, 58], Operations: [] Exploring Operation: 51-35=16, Resulting Numbers: [63, 58, 16] Generated Node #2: [63, 58, 16] from Operation: 51-35=16 Current State: 11:[63, 58, 16], Operations: ['51-35=16'] Exploring Operation: 63-58=5, Resulting Numbers: [16, 5] Generated Node #3: [16, 5] from Operation: 63-58=5 Current State: 11:[16, 5], Operations: ['51-35=16', '63-58=5'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[35, 51, 63, 58], Operations: [] Exploring Operation: 63-51=12, Resulting Numbers: [35, 58, 12] Generated Node #0,0: 11:[35, 58, 12] Operation: 63-51=12 Exploring Operation: 58-51=7, Resulting Numbers: [35, 63, 7] Generated Node #0,1: 11:[35, 63, 7] Operation: 58-51=7 Exploring Operation: 63-58=5, Resulting Numbers: [35, 51, 5] Generated Node #0,2: 11:[35, 51, 5] Operation: 63-58=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[35, 51, 5], Operations: ['63-58=5'] Exploring Operation: 35-5=30, Resulting Numbers: [51, 30] Generated Node #0,2,0: 11:[51, 30] Operation: 35-5=30 Exploring Operation: 51-35=16, Resulting Numbers: [5, 16] Generated Node #0,2,1: 11:[5, 16] Operation: 51-35=16 Exploring Operation: 35/5=7, Resulting Numbers: [51, 7] Generated Node #0,2,2: 11:[51, 7] Operation: 35/5=7 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 11:[5, 16], Operations: ['63-58=5', '51-35=16'] Exploring Operation: 5*16=80, Resulting Numbers: [80] 80,11 unequal: No Solution Exploring Operation: 5+16=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[35, 51, 63, 58], Operations: [] Exploring Operation: 63-58=5, Resulting Numbers: [35, 51, 5] Generated Node #0,2: 11:[35, 51, 5] Operation: 63-58=5 Moving to Node #0,2 Current State: 11:[35, 51, 5], Operations: ['63-58=5'] Exploring Operation: 51-35=16, Resulting Numbers: [5, 16] Generated Node #0,2,1: 11:[5, 16] Operation: 51-35=16 Moving to Node #0,2,1 Current State: 11:[5, 16], Operations: ['63-58=5', '51-35=16'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 9, 34, 34, 2 ]
50
[ "9*2=18", "34+34=68", "68-18=50" ]
Current State: 50:[9, 34, 34, 2], Operations: [] Exploring Operation: 9*2=18, Resulting Numbers: [34, 34, 18] Generated Node #2: [34, 34, 18] from Operation: 9*2=18 Current State: 50:[34, 34, 18], Operations: ['9*2=18'] Exploring Operation: 34+34=68, Resulting Numbers: [18, 68] Generated Node #3: [18, 68] from Operation: 34+34=68 Current State: 50:[18, 68], Operations: ['9*2=18', '34+34=68'] Exploring Operation: 68-18=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[9, 34, 34, 2], Operations: [] Exploring Operation: 34-34=0, Resulting Numbers: [9, 2, 0] Generated Node #0,0: 50:[9, 2, 0] Operation: 34-34=0 Exploring Operation: 34/34=1, Resulting Numbers: [9, 2, 1] Generated Node #0,1: 50:[9, 2, 1] Operation: 34/34=1 Moving to Node #0,1 Current State: 50:[9, 2, 1], Operations: ['34/34=1'] Exploring Operation: 9+1=10, Resulting Numbers: [2, 10] Generated Node #0,1,0: 50:[2, 10] Operation: 9+1=10 Exploring Operation: 9*1=9, Resulting Numbers: [2, 9] Generated Node #0,1,1: 50:[2, 9] Operation: 9*1=9 Moving to Node #0,0 Current State: 50:[9, 2, 0], Operations: ['34-34=0'] Exploring Operation: 9-0=9, Resulting Numbers: [2, 9] Generated Node #0,0,0: 50:[2, 9] Operation: 9-0=9 Exploring Operation: 9+0=9, Resulting Numbers: [2, 9] Generated Node #0,0,1: 50:[2, 9] Operation: 9+0=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[2, 9], Operations: ['34-34=0', '9-0=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,50 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 #0,0,1 Current State: 50:[2, 9], Operations: ['34-34=0', '9+0=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 50:[2, 10], Operations: ['34/34=1', '9+1=10'] Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,50 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[2, 9], Operations: ['34/34=1', '9*1=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,50 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 9, 77, 33, 83 ]
62
[ "9*77=693", "693/33=21", "83-21=62" ]
Current State: 62:[9, 77, 33, 83], Operations: [] Exploring Operation: 9*77=693, Resulting Numbers: [33, 83, 693] Generated Node #2: [33, 83, 693] from Operation: 9*77=693 Current State: 62:[33, 83, 693], Operations: ['9*77=693'] Exploring Operation: 693/33=21, Resulting Numbers: [83, 21] Generated Node #3: [83, 21] from Operation: 693/33=21 Current State: 62:[83, 21], Operations: ['9*77=693', '693/33=21'] Exploring Operation: 83-21=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[9, 77, 33, 83], Operations: [] Exploring Operation: 83-77=6, Resulting Numbers: [9, 33, 6] Generated Node #0,0: 62:[9, 33, 6] Operation: 83-77=6 Moving to Node #0,0 Current State: 62:[9, 33, 6], Operations: ['83-77=6'] Exploring Operation: 9-6=3, Resulting Numbers: [33, 3] Generated Node #0,0,0: 62:[33, 3] Operation: 9-6=3 Moving to Node #0,0,0 Current State: 62:[33, 3], Operations: ['83-77=6', '9-6=3'] Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,62 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 38, 15, 14, 32 ]
70
[ "38+32=70", "15-14=1", "70*1=70" ]
Current State: 70:[38, 15, 14, 32], Operations: [] Exploring Operation: 38+32=70, Resulting Numbers: [15, 14, 70] Generated Node #2: [15, 14, 70] from Operation: 38+32=70 Current State: 70:[15, 14, 70], Operations: ['38+32=70'] Exploring Operation: 15-14=1, Resulting Numbers: [70, 1] Generated Node #3: [70, 1] from Operation: 15-14=1 Current State: 70:[70, 1], Operations: ['38+32=70', '15-14=1'] Exploring Operation: 70*1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[38, 15, 14, 32], Operations: [] Exploring Operation: 38-32=6, Resulting Numbers: [15, 14, 6] Generated Node #0,0: 70:[15, 14, 6] Operation: 38-32=6 Exploring Operation: 15-14=1, Resulting Numbers: [38, 32, 1] Generated Node #0,1: 70:[38, 32, 1] Operation: 15-14=1 Exploring Operation: 38+32=70, Resulting Numbers: [15, 14, 70] Generated Node #0,2: 70:[15, 14, 70] Operation: 38+32=70 Exploring Operation: 32-14=18, Resulting Numbers: [38, 15, 18] Generated Node #0,3: 70:[38, 15, 18] Operation: 32-14=18 Exploring Operation: 32-15=17, Resulting Numbers: [38, 14, 17] Generated Node #0,4: 70:[38, 14, 17] Operation: 32-15=17 Moving to Node #0,2 Current State: 70:[15, 14, 70], Operations: ['38+32=70'] Exploring Operation: 70/14=5, Resulting Numbers: [15, 5] Generated Node #0,2,0: 70:[15, 5] Operation: 70/14=5 Exploring Operation: 15+70=85, Resulting Numbers: [14, 85] Generated Node #0,2,1: 70:[14, 85] Operation: 15+70=85 Exploring Operation: 70-15=55, Resulting Numbers: [14, 55] Generated Node #0,2,2: 70:[14, 55] Operation: 70-15=55 Exploring Operation: 15+14=29, Resulting Numbers: [70, 29] Generated Node #0,2,3: 70:[70, 29] Operation: 15+14=29 Exploring Operation: 15-14=1, Resulting Numbers: [70, 1] Generated Node #0,2,4: 70:[70, 1] Operation: 15-14=1 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 70:[15, 5], Operations: ['38+32=70', '70/14=5'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,70 unequal: No Solution Exploring Operation: 15*5=75, Resulting Numbers: [75] 75,70 unequal: No Solution Exploring Operation: 15+5=20, Resulting Numbers: [20] 20,70 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: 70:[70, 1], Operations: ['38+32=70', '15-14=1'] Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,70 unequal: No Solution Exploring Operation: 70*1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[38, 15, 14, 32], Operations: [] Exploring Operation: 38+32=70, Resulting Numbers: [15, 14, 70] Generated Node #0,2: 70:[15, 14, 70] Operation: 38+32=70 Moving to Node #0,2 Current State: 70:[15, 14, 70], Operations: ['38+32=70'] Exploring Operation: 15-14=1, Resulting Numbers: [70, 1] Generated Node #0,2,4: 70:[70, 1] Operation: 15-14=1 Moving to Node #0,2,4 Current State: 70:[70, 1], Operations: ['38+32=70', '15-14=1'] Exploring Operation: 70*1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 3, 27, 59, 24 ]
76
[ "27+24=51", "51/3=17", "59+17=76" ]
Current State: 76:[3, 27, 59, 24], Operations: [] Exploring Operation: 27+24=51, Resulting Numbers: [3, 59, 51] Generated Node #2: [3, 59, 51] from Operation: 27+24=51 Current State: 76:[3, 59, 51], Operations: ['27+24=51'] Exploring Operation: 51/3=17, Resulting Numbers: [59, 17] Generated Node #3: [59, 17] from Operation: 51/3=17 Current State: 76:[59, 17], Operations: ['27+24=51', '51/3=17'] Exploring Operation: 59+17=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[3, 27, 59, 24], Operations: [] Exploring Operation: 59-27=32, Resulting Numbers: [3, 24, 32] Generated Node #0,0: 76:[3, 24, 32] Operation: 59-27=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[3, 24, 32], Operations: ['59-27=32'] Exploring Operation: 32-24=8, Resulting Numbers: [3, 8] Generated Node #0,0,0: 76:[3, 8] Operation: 32-24=8 Moving to Node #0,0,0 Current State: 76:[3, 8], Operations: ['59-27=32', '32-24=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,76 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
[ 45, 64, 67, 34 ]
49
[ "67-64=3", "45/3=15", "34+15=49" ]
Current State: 49:[45, 64, 67, 34], Operations: [] Exploring Operation: 67-64=3, Resulting Numbers: [45, 34, 3] Generated Node #2: [45, 34, 3] from Operation: 67-64=3 Current State: 49:[45, 34, 3], Operations: ['67-64=3'] Exploring Operation: 45/3=15, Resulting Numbers: [34, 15] Generated Node #3: [34, 15] from Operation: 45/3=15 Current State: 49:[34, 15], Operations: ['67-64=3', '45/3=15'] Exploring Operation: 34+15=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[45, 64, 67, 34], Operations: [] Exploring Operation: 67-64=3, Resulting Numbers: [45, 34, 3] Generated Node #0,0: 49:[45, 34, 3] Operation: 67-64=3 Exploring Operation: 45-34=11, Resulting Numbers: [64, 67, 11] Generated Node #0,1: 49:[64, 67, 11] Operation: 45-34=11 Exploring Operation: 64-45=19, Resulting Numbers: [67, 34, 19] Generated Node #0,2: 49:[67, 34, 19] Operation: 64-45=19 Exploring Operation: 64-34=30, Resulting Numbers: [45, 67, 30] Generated Node #0,3: 49:[45, 67, 30] Operation: 64-34=30 Exploring Operation: 67-34=33, Resulting Numbers: [45, 64, 33] Generated Node #0,4: 49:[45, 64, 33] Operation: 67-34=33 Moving to Node #0,0 Current State: 49:[45, 34, 3], Operations: ['67-64=3'] Exploring Operation: 45-3=42, Resulting Numbers: [34, 42] Generated Node #0,0,0: 49:[34, 42] Operation: 45-3=42 Exploring Operation: 45-34=11, Resulting Numbers: [3, 11] Generated Node #0,0,1: 49:[3, 11] Operation: 45-34=11 Exploring Operation: 34+3=37, Resulting Numbers: [45, 37] Generated Node #0,0,2: 49:[45, 37] Operation: 34+3=37 Exploring Operation: 34-3=31, Resulting Numbers: [45, 31] Generated Node #0,0,3: 49:[45, 31] Operation: 34-3=31 Exploring Operation: 45+3=48, Resulting Numbers: [34, 48] Generated Node #0,0,4: 49:[34, 48] Operation: 45+3=48 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[3, 11], Operations: ['67-64=3', '45-34=11'] Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,49 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,49 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: 49:[45, 37], Operations: ['67-64=3', '34+3=37'] Exploring Operation: 45-37=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 45*37=1665, Resulting Numbers: [1665] 1665,49 unequal: No Solution Exploring Operation: 45+37=82, Resulting Numbers: [82] 82,49 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: 49:[34, 48], Operations: ['67-64=3', '45+3=48'] Exploring Operation: 34+48=82, Resulting Numbers: [82] 82,49 unequal: No Solution Exploring Operation: 34*48=1632, Resulting Numbers: [1632] 1632,49 unequal: No Solution Exploring Operation: 48-34=14, Resulting Numbers: [14] 14,49 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: 49:[34, 42], Operations: ['67-64=3', '45-3=42'] Exploring Operation: 34+42=76, Resulting Numbers: [76] 76,49 unequal: No Solution Exploring Operation: 42-34=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 34*42=1428, Resulting Numbers: [1428] 1428,49 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: 49:[45, 31], Operations: ['67-64=3', '34-3=31'] Exploring Operation: 45*31=1395, Resulting Numbers: [1395] 1395,49 unequal: No Solution Exploring Operation: 45+31=76, Resulting Numbers: [76] 76,49 unequal: No Solution Exploring Operation: 45-31=14, Resulting Numbers: [14] 14,49 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: 49:[45, 64, 33], Operations: ['67-34=33'] Exploring Operation: 64+33=97, Resulting Numbers: [45, 97] Generated Node #0,4,0: 49:[45, 97] Operation: 64+33=97 Exploring Operation: 64-33=31, Resulting Numbers: [45, 31] Generated Node #0,4,1: 49:[45, 31] Operation: 64-33=31 Exploring Operation: 64-45=19, Resulting Numbers: [33, 19] Generated Node #0,4,2: 49:[33, 19] Operation: 64-45=19 Exploring Operation: 45+33=78, Resulting Numbers: [64, 78] Generated Node #0,4,3: 49:[64, 78] Operation: 45+33=78 Exploring Operation: 45-33=12, Resulting Numbers: [64, 12] Generated Node #0,4,4: 49:[64, 12] Operation: 45-33=12 Moving to Node #0,1 Current State: 49:[64, 67, 11], Operations: ['45-34=11'] Exploring Operation: 67-11=56, Resulting Numbers: [64, 56] Generated Node #0,1,0: 49:[64, 56] Operation: 67-11=56 Exploring Operation: 64+11=75, Resulting Numbers: [67, 75] Generated Node #0,1,1: 49:[67, 75] Operation: 64+11=75 Exploring Operation: 67-64=3, Resulting Numbers: [11, 3] Generated Node #0,1,2: 49:[11, 3] Operation: 67-64=3 Exploring Operation: 67+11=78, Resulting Numbers: [64, 78] Generated Node #0,1,3: 49:[64, 78] Operation: 67+11=78 Exploring Operation: 64-11=53, Resulting Numbers: [67, 53] Generated Node #0,1,4: 49:[67, 53] Operation: 64-11=53 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 49:[11, 3], Operations: ['45-34=11', '67-64=3'] Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,49 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,49 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: 49:[64, 56], Operations: ['45-34=11', '67-11=56'] Exploring Operation: 64+56=120, Resulting Numbers: [120] 120,49 unequal: No Solution Exploring Operation: 64-56=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 64*56=3584, Resulting Numbers: [3584] 3584,49 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: 49:[67, 53], Operations: ['45-34=11', '64-11=53'] Exploring Operation: 67*53=3551, Resulting Numbers: [3551] 3551,49 unequal: No Solution Exploring Operation: 67-53=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 67+53=120, Resulting Numbers: [120] 120,49 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: 49:[67, 75], Operations: ['45-34=11', '64+11=75'] Exploring Operation: 67+75=142, Resulting Numbers: [142] 142,49 unequal: No Solution Exploring Operation: 75-67=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 67*75=5025, Resulting Numbers: [5025] 5025,49 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: 49:[64, 78], Operations: ['45-34=11', '67+11=78'] Exploring Operation: 78-64=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 64+78=142, Resulting Numbers: [142] 142,49 unequal: No Solution Exploring Operation: 64*78=4992, Resulting Numbers: [4992] 4992,49 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: 49:[45, 67, 30], Operations: ['64-34=30'] Exploring Operation: 67-45=22, Resulting Numbers: [30, 22] Generated Node #0,3,0: 49:[30, 22] Operation: 67-45=22 Exploring Operation: 67-30=37, Resulting Numbers: [45, 37] Generated Node #0,3,1: 49:[45, 37] Operation: 67-30=37 Exploring Operation: 45+30=75, Resulting Numbers: [67, 75] Generated Node #0,3,2: 49:[67, 75] Operation: 45+30=75 Exploring Operation: 67+30=97, Resulting Numbers: [45, 97] Generated Node #0,3,3: 49:[45, 97] Operation: 67+30=97 Exploring Operation: 45-30=15, Resulting Numbers: [67, 15] Generated Node #0,3,4: 49:[67, 15] Operation: 45-30=15 Moving to Node #0,2 Current State: 49:[67, 34, 19], Operations: ['64-45=19'] Exploring Operation: 34+19=53, Resulting Numbers: [67, 53] Generated Node #0,2,0: 49:[67, 53] Operation: 34+19=53 Exploring Operation: 67+19=86, Resulting Numbers: [34, 86] Generated Node #0,2,1: 49:[34, 86] Operation: 67+19=86 Exploring Operation: 67-34=33, Resulting Numbers: [19, 33] Generated Node #0,2,2: 49:[19, 33] Operation: 67-34=33 Exploring Operation: 34-19=15, Resulting Numbers: [67, 15] Generated Node #0,2,3: 49:[67, 15] Operation: 34-19=15 Exploring Operation: 67-19=48, Resulting Numbers: [34, 48] Generated Node #0,2,4: 49:[34, 48] Operation: 67-19=48 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 49:[34, 48], Operations: ['64-45=19', '67-19=48'] Exploring Operation: 48-34=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 34+48=82, Resulting Numbers: [82] 82,49 unequal: No Solution Exploring Operation: 34*48=1632, Resulting Numbers: [1632] 1632,49 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: 49:[67, 53], Operations: ['64-45=19', '34+19=53'] Exploring Operation: 67-53=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 67+53=120, Resulting Numbers: [120] 120,49 unequal: No Solution Exploring Operation: 67*53=3551, Resulting Numbers: [3551] 3551,49 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: 49:[67, 15], Operations: ['64-45=19', '34-19=15'] Exploring Operation: 67*15=1005, Resulting Numbers: [1005] 1005,49 unequal: No Solution Exploring Operation: 67-15=52, Resulting Numbers: [52] 52,49 unequal: No Solution Exploring Operation: 67+15=82, Resulting Numbers: [82] 82,49 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: 49:[19, 33], Operations: ['64-45=19', '67-34=33'] Exploring Operation: 19*33=627, Resulting Numbers: [627] 627,49 unequal: No Solution Exploring Operation: 19+33=52, Resulting Numbers: [52] 52,49 unequal: No Solution Exploring Operation: 33-19=14, Resulting Numbers: [14] 14,49 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: 49:[34, 86], Operations: ['64-45=19', '67+19=86'] Exploring Operation: 34*86=2924, Resulting Numbers: [2924] 2924,49 unequal: No Solution Exploring Operation: 34+86=120, Resulting Numbers: [120] 120,49 unequal: No Solution Exploring Operation: 86-34=52, Resulting Numbers: [52] 52,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 49:[45, 37], Operations: ['64-34=30', '67-30=37'] Exploring Operation: 45*37=1665, Resulting Numbers: [1665] 1665,49 unequal: No Solution Exploring Operation: 45+37=82, Resulting Numbers: [82] 82,49 unequal: No Solution Exploring Operation: 45-37=8, Resulting Numbers: [8] 8,49 unequal: No Solution Moving to Node #0,4,4 Current State: 49:[64, 12], Operations: ['67-34=33', '45-33=12'] Exploring Operation: 64+12=76, Resulting Numbers: [76] 76,49 unequal: No Solution Exploring Operation: 64-12=52, Resulting Numbers: [52] 52,49 unequal: No Solution Exploring Operation: 64*12=768, Resulting Numbers: [768] 768,49 unequal: No Solution Moving to Node #0,4,1 Current State: 49:[45, 31], Operations: ['67-34=33', '64-33=31'] Exploring Operation: 45*31=1395, Resulting Numbers: [1395] 1395,49 unequal: No Solution Exploring Operation: 45+31=76, Resulting Numbers: [76] 76,49 unequal: No Solution Exploring Operation: 45-31=14, Resulting Numbers: [14] 14,49 unequal: No Solution Moving to Node #0,3,4 Current State: 49:[67, 15], Operations: ['64-34=30', '45-30=15'] Exploring Operation: 67-15=52, Resulting Numbers: [52] 52,49 unequal: No Solution Exploring Operation: 67+15=82, Resulting Numbers: [82] 82,49 unequal: No Solution Exploring Operation: 67*15=1005, Resulting Numbers: [1005] 1005,49 unequal: No Solution Moving to Node #0,4,2 Current State: 49:[33, 19], Operations: ['67-34=33', '64-45=19'] Exploring Operation: 33*19=627, Resulting Numbers: [627] 627,49 unequal: No Solution Exploring Operation: 33+19=52, Resulting Numbers: [52] 52,49 unequal: No Solution Exploring Operation: 33-19=14, Resulting Numbers: [14] 14,49 unequal: No Solution Moving to Node #0,3,0 Current State: 49:[30, 22], Operations: ['64-34=30', '67-45=22'] Exploring Operation: 30-22=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 30+22=52, Resulting Numbers: [52] 52,49 unequal: No Solution Exploring Operation: 30*22=660, Resulting Numbers: [660] 660,49 unequal: No Solution Moving to Node #0,3,2 Current State: 49:[67, 75], Operations: ['64-34=30', '45+30=75'] Exploring Operation: 67*75=5025, Resulting Numbers: [5025] 5025,49 unequal: No Solution Exploring Operation: 75-67=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 67+75=142, Resulting Numbers: [142] 142,49 unequal: No Solution Moving to Node #0,4,3 Current State: 49:[64, 78], Operations: ['67-34=33', '45+33=78'] Exploring Operation: 64*78=4992, Resulting Numbers: [4992] 4992,49 unequal: No Solution Exploring Operation: 64+78=142, Resulting Numbers: [142] 142,49 unequal: No Solution Exploring Operation: 78-64=14, Resulting Numbers: [14] 14,49 unequal: No Solution Moving to Node #0,3,3 Current State: 49:[45, 97], Operations: ['64-34=30', '67+30=97'] Exploring Operation: 45*97=4365, Resulting Numbers: [4365] 4365,49 unequal: No Solution Exploring Operation: 45+97=142, Resulting Numbers: [142] 142,49 unequal: No Solution Exploring Operation: 97-45=52, Resulting Numbers: [52] 52,49 unequal: No Solution Moving to Node #0,4,0 Current State: 49:[45, 97], Operations: ['67-34=33', '64+33=97'] Exploring Operation: 97-45=52, Resulting Numbers: [52] 52,49 unequal: No Solution Exploring Operation: 45*97=4365, Resulting Numbers: [4365] 4365,49 unequal: No Solution Exploring Operation: 45+97=142, Resulting Numbers: [142] 142,49 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 73, 94, 25, 23 ]
76
[ "94-25=69", "69/23=3", "73+3=76" ]
Current State: 76:[73, 94, 25, 23], Operations: [] Exploring Operation: 94-25=69, Resulting Numbers: [73, 23, 69] Generated Node #2: [73, 23, 69] from Operation: 94-25=69 Current State: 76:[73, 23, 69], Operations: ['94-25=69'] Exploring Operation: 69/23=3, Resulting Numbers: [73, 3] Generated Node #3: [73, 3] from Operation: 69/23=3 Current State: 76:[73, 3], Operations: ['94-25=69', '69/23=3'] Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[73, 94, 25, 23], Operations: [] Exploring Operation: 94-25=69, Resulting Numbers: [73, 23, 69] Generated Node #0,0: 76:[73, 23, 69] Operation: 94-25=69 Exploring Operation: 94-23=71, Resulting Numbers: [73, 25, 71] Generated Node #0,1: 76:[73, 25, 71] Operation: 94-23=71 Exploring Operation: 25+23=48, Resulting Numbers: [73, 94, 48] Generated Node #0,2: 76:[73, 94, 48] Operation: 25+23=48 Exploring Operation: 25-23=2, Resulting Numbers: [73, 94, 2] Generated Node #0,3: 76:[73, 94, 2] Operation: 25-23=2 Exploring Operation: 94-73=21, Resulting Numbers: [25, 23, 21] Generated Node #0,4: 76:[25, 23, 21] Operation: 94-73=21 Start Sub Search at level 1: Moving to Node #0,4 Current State: 76:[25, 23, 21], Operations: ['94-73=21'] Exploring Operation: 25+23=48, Resulting Numbers: [21, 48] Generated Node #0,4,0: 76:[21, 48] Operation: 25+23=48 Exploring Operation: 25+21=46, Resulting Numbers: [23, 46] Generated Node #0,4,1: 76:[23, 46] Operation: 25+21=46 Exploring Operation: 23-21=2, Resulting Numbers: [25, 2] Generated Node #0,4,2: 76:[25, 2] Operation: 23-21=2 Exploring Operation: 25-21=4, Resulting Numbers: [23, 4] Generated Node #0,4,3: 76:[23, 4] Operation: 25-21=4 Exploring Operation: 25-23=2, Resulting Numbers: [21, 2] Generated Node #0,4,4: 76:[21, 2] Operation: 25-23=2 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 76:[21, 2], Operations: ['94-73=21', '25-23=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,76 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,76 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: 76:[23, 4], Operations: ['94-73=21', '25-21=4'] Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,76 unequal: No Solution Exploring Operation: 23+4=27, Resulting Numbers: [27] 27,76 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: 76:[25, 2], Operations: ['94-73=21', '23-21=2'] Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,76 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,76 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: 76:[21, 48], Operations: ['94-73=21', '25+23=48'] Exploring Operation: 21*48=1008, Resulting Numbers: [1008] 1008,76 unequal: No Solution Exploring Operation: 21+48=69, Resulting Numbers: [69] 69,76 unequal: No Solution Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,76 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: 76:[23, 46], Operations: ['94-73=21', '25+21=46'] Exploring Operation: 23*46=1058, Resulting Numbers: [1058] 1058,76 unequal: No Solution Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 46/23=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 23+46=69, Resulting Numbers: [69] 69,76 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: 76:[73, 23, 69], Operations: ['94-25=69'] Exploring Operation: 73-23=50, Resulting Numbers: [69, 50] Generated Node #0,0,0: 76:[69, 50] Operation: 73-23=50 Exploring Operation: 73-69=4, Resulting Numbers: [23, 4] Generated Node #0,0,1: 76:[23, 4] Operation: 73-69=4 Exploring Operation: 23+69=92, Resulting Numbers: [73, 92] Generated Node #0,0,2: 76:[73, 92] Operation: 23+69=92 Exploring Operation: 69-23=46, Resulting Numbers: [73, 46] Generated Node #0,0,3: 76:[73, 46] Operation: 69-23=46 Exploring Operation: 69/23=3, Resulting Numbers: [73, 3] Generated Node #0,0,4: 76:[73, 3] Operation: 69/23=3 Moving to Node #0,0,1 Current State: 76:[23, 4], Operations: ['94-25=69', '73-69=4'] Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 23+4=27, Resulting Numbers: [27] 27,76 unequal: No Solution Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,76 unequal: No Solution Moving to Node #0,0,4 Current State: 76:[73, 3], Operations: ['94-25=69', '69/23=3'] Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[73, 94, 25, 23], Operations: [] Exploring Operation: 94-25=69, Resulting Numbers: [73, 23, 69] Generated Node #0,0: 76:[73, 23, 69] Operation: 94-25=69 Moving to Node #0,0 Current State: 76:[73, 23, 69], Operations: ['94-25=69'] Exploring Operation: 69/23=3, Resulting Numbers: [73, 3] Generated Node #0,0,4: 76:[73, 3] Operation: 69/23=3 Moving to Node #0,0,4 Current State: 76:[73, 3], Operations: ['94-25=69', '69/23=3'] Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_5
mult_heuristic
[ 14, 30, 70, 25 ]
19
[ "14*30=420", "420/70=6", "25-6=19" ]
Current State: 19:[14, 30, 70, 25], Operations: [] Exploring Operation: 14*30=420, Resulting Numbers: [70, 25, 420] Generated Node #2: [70, 25, 420] from Operation: 14*30=420 Current State: 19:[70, 25, 420], Operations: ['14*30=420'] Exploring Operation: 420/70=6, Resulting Numbers: [25, 6] Generated Node #3: [25, 6] from Operation: 420/70=6 Current State: 19:[25, 6], Operations: ['14*30=420', '420/70=6'] Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[14, 30, 70, 25], Operations: [] Exploring Operation: 70-14=56, Resulting Numbers: [30, 25, 56] Generated Node #0,0: 19:[30, 25, 56] Operation: 70-14=56 Exploring Operation: 70-30=40, Resulting Numbers: [14, 25, 40] Generated Node #0,1: 19:[14, 25, 40] Operation: 70-30=40 Exploring Operation: 70-25=45, Resulting Numbers: [14, 30, 45] Generated Node #0,2: 19:[14, 30, 45] Operation: 70-25=45 Exploring Operation: 70/14=5, Resulting Numbers: [30, 25, 5] Generated Node #0,3: 19:[30, 25, 5] Operation: 70/14=5 Moving to Node #0,3 Current State: 19:[30, 25, 5], Operations: ['70/14=5'] Exploring Operation: 25-5=20, Resulting Numbers: [30, 20] Generated Node #0,3,0: 19:[30, 20] Operation: 25-5=20 Exploring Operation: 30-5=25, Resulting Numbers: [25, 25] Generated Node #0,3,1: 19:[25, 25] Operation: 30-5=25 Exploring Operation: 30/5=6, Resulting Numbers: [25, 6] Generated Node #0,3,2: 19:[25, 6] Operation: 30/5=6 Exploring Operation: 30+5=35, Resulting Numbers: [25, 35] Generated Node #0,3,3: 19:[25, 35] Operation: 30+5=35 Moving to Node #0,1 Current State: 19:[14, 25, 40], Operations: ['70-30=40'] Exploring Operation: 40-14=26, Resulting Numbers: [25, 26] Generated Node #0,1,0: 19:[25, 26] Operation: 40-14=26 Exploring Operation: 40-25=15, Resulting Numbers: [14, 15] Generated Node #0,1,1: 19:[14, 15] Operation: 40-25=15 Exploring Operation: 25-14=11, Resulting Numbers: [40, 11] Generated Node #0,1,2: 19:[40, 11] Operation: 25-14=11 Exploring Operation: 14+25=39, Resulting Numbers: [40, 39] Generated Node #0,1,3: 19:[40, 39] Operation: 14+25=39 Moving to Node #0,2 Current State: 19:[14, 30, 45], Operations: ['70-25=45'] Exploring Operation: 14+30=44, Resulting Numbers: [45, 44] Generated Node #0,2,0: 19:[45, 44] Operation: 14+30=44 Exploring Operation: 30-14=16, Resulting Numbers: [45, 16] Generated Node #0,2,1: 19:[45, 16] Operation: 30-14=16 Exploring Operation: 45-30=15, Resulting Numbers: [14, 15] Generated Node #0,2,2: 19:[14, 15] Operation: 45-30=15 Exploring Operation: 45-14=31, Resulting Numbers: [30, 31] Generated Node #0,2,3: 19:[30, 31] Operation: 45-14=31 Moving to Node #0,0 Current State: 19:[30, 25, 56], Operations: ['70-14=56'] Exploring Operation: 56-25=31, Resulting Numbers: [30, 31] Generated Node #0,0,0: 19:[30, 31] Operation: 56-25=31 Exploring Operation: 30-25=5, Resulting Numbers: [56, 5] Generated Node #0,0,1: 19:[56, 5] Operation: 30-25=5 Exploring Operation: 30+25=55, Resulting Numbers: [56, 55] Generated Node #0,0,2: 19:[56, 55] Operation: 30+25=55 Exploring Operation: 56-30=26, Resulting Numbers: [25, 26] Generated Node #0,0,3: 19:[25, 26] Operation: 56-30=26 Moving to Node #0,1,1 Current State: 19:[14, 15], Operations: ['70-30=40', '40-25=15'] Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,19 unequal: No Solution Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,19 unequal: No Solution Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[14, 15], Operations: ['70-25=45', '45-30=15'] Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,19 unequal: No Solution Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,19 unequal: No Solution Moving to Node #0,3,1 Current State: 19:[25, 25], Operations: ['70/14=5', '30-5=25'] Exploring Operation: 25+25=50, Resulting Numbers: [50] 50,19 unequal: No Solution Exploring Operation: 25-25=0, Resulting Numbers: [0] 0,19 unequal: No Solution Exploring Operation: 25*25=625, Resulting Numbers: [625] 625,19 unequal: No Solution Exploring Operation: 25/25=1, Resulting Numbers: [1] 1,19 unequal: No Solution Moving to Node #0,3,0 Current State: 19:[30, 20], Operations: ['70/14=5', '25-5=20'] Exploring Operation: 30+20=50, Resulting Numbers: [50] 50,19 unequal: No Solution Exploring Operation: 30-20=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 30*20=600, Resulting Numbers: [600] 600,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[25, 26], Operations: ['70-30=40', '40-14=26'] Exploring Operation: 25+26=51, Resulting Numbers: [51] 51,19 unequal: No Solution Exploring Operation: 25*26=650, Resulting Numbers: [650] 650,19 unequal: No Solution Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,19 unequal: No Solution Moving to Node #0,0,3 Current State: 19:[25, 26], Operations: ['70-14=56', '56-30=26'] Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 25+26=51, Resulting Numbers: [51] 51,19 unequal: No Solution Exploring Operation: 25*26=650, Resulting Numbers: [650] 650,19 unequal: No Solution Moving to Node #0,3,2 Current State: 19:[25, 6], Operations: ['70/14=5', '30/5=6'] Exploring Operation: 25+6=31, Resulting Numbers: [31] 31,19 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[14, 30, 70, 25], Operations: [] Exploring Operation: 70/14=5, Resulting Numbers: [30, 25, 5] Generated Node #0,3: 19:[30, 25, 5] Operation: 70/14=5 Moving to Node #0,3 Current State: 19:[30, 25, 5], Operations: ['70/14=5'] Exploring Operation: 30/5=6, Resulting Numbers: [25, 6] Generated Node #0,3,2: 19:[25, 6] Operation: 30/5=6 Moving to Node #0,3,2 Current State: 19:[25, 6], Operations: ['70/14=5', '30/5=6'] Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
0.960938
hs_4
sum_heuristic
[ 64, 49, 46, 59 ]
11
[ "64+46=110", "59-49=10", "110/10=11" ]
Current State: 11:[64, 49, 46, 59], Operations: [] Exploring Operation: 64+46=110, Resulting Numbers: [49, 59, 110] Generated Node #2: [49, 59, 110] from Operation: 64+46=110 Current State: 11:[49, 59, 110], Operations: ['64+46=110'] Exploring Operation: 59-49=10, Resulting Numbers: [110, 10] Generated Node #3: [110, 10] from Operation: 59-49=10 Current State: 11:[110, 10], Operations: ['64+46=110', '59-49=10'] Exploring Operation: 110/10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[64, 49, 46, 59], Operations: [] Exploring Operation: 64-59=5, Resulting Numbers: [49, 46, 5] Generated Node #0,0: 11:[49, 46, 5] Operation: 64-59=5 Moving to Node #0,0 Current State: 11:[49, 46, 5], Operations: ['64-59=5'] Exploring Operation: 49-46=3, Resulting Numbers: [5, 3] Generated Node #0,0,0: 11:[5, 3] Operation: 49-46=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 11:[5, 3], Operations: ['64-59=5', '49-46=3'] Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 97, 97, 80, 7 ]
22
[ "97-80=17", "7*17=119", "119-97=22" ]
Current State: 22:[97, 97, 80, 7], Operations: [] Exploring Operation: 97-80=17, Resulting Numbers: [7, 17] Generated Node #2: [7, 17] from Operation: 97-80=17 Current State: 22:[7, 17], Operations: ['97-80=17'] Exploring Operation: 7*17=119, Resulting Numbers: [119] 119,22 equal: Goal Reached Exploring Operation: 119-97=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[97, 97, 80, 7], Operations: [] Exploring Operation: 97/97=1, Resulting Numbers: [80, 7, 1] Generated Node #0,0: 22:[80, 7, 1] Operation: 97/97=1 Exploring Operation: 97-97=0, Resulting Numbers: [80, 7, 0] Generated Node #0,1: 22:[80, 7, 0] Operation: 97-97=0 Exploring Operation: 97-80=17, Resulting Numbers: [97, 7, 17] Generated Node #0,2: 22:[97, 7, 17] Operation: 97-80=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[80, 7, 1], Operations: ['97/97=1'] Exploring Operation: 80-7=73, Resulting Numbers: [1, 73] Generated Node #0,0,0: 22:[1, 73] Operation: 80-7=73 Exploring Operation: 7+1=8, Resulting Numbers: [80, 8] Generated Node #0,0,1: 22:[80, 8] Operation: 7+1=8 Exploring Operation: 80-1=79, Resulting Numbers: [7, 79] Generated Node #0,0,2: 22:[7, 79] Operation: 80-1=79 Moving to Node #0,0,0 Current State: 22:[1, 73], Operations: ['97/97=1', '80-7=73'] Exploring Operation: 73/1=73, Resulting Numbers: [73] 73,22 unequal: No Solution Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,22 unequal: No Solution Exploring Operation: 1*73=73, Resulting Numbers: [73] 73,22 unequal: No Solution Moving to Node #0,0,1 Current State: 22:[80, 8], Operations: ['97/97=1', '7+1=8'] Exploring Operation: 80-8=72, Resulting Numbers: [72] 72,22 unequal: No Solution Exploring Operation: 80+8=88, Resulting Numbers: [88] 88,22 unequal: No Solution Exploring Operation: 80/8=10, Resulting Numbers: [10] 10,22 unequal: No Solution Moving to Node #0,0,2 Current State: 22:[7, 79], Operations: ['97/97=1', '80-1=79'] Exploring Operation: 79-7=72, Resulting Numbers: [72] 72,22 unequal: No Solution Exploring Operation: 7*79=553, Resulting Numbers: [553] 553,22 unequal: No Solution Exploring Operation: 7+79=86, Resulting Numbers: [86] 86,22 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: 22:[80, 7, 0], Operations: ['97-97=0'] Exploring Operation: 7*0=0, Resulting Numbers: [80, 0] Generated Node #0,1,0: 22:[80, 0] Operation: 7*0=0 Exploring Operation: 80-7=73, Resulting Numbers: [0, 73] Generated Node #0,1,1: 22:[0, 73] Operation: 80-7=73 Exploring Operation: 80*0=0, Resulting Numbers: [7, 0] Generated Node #0,1,2: 22:[7, 0] Operation: 80*0=0 Moving to Node #0,1,2 Current State: 22:[7, 0], Operations: ['97-97=0', '80*0=0'] Exploring Operation: 7-0=7, Resulting Numbers: [7] 7,22 unequal: No Solution Exploring Operation: 7*0=0, Resulting Numbers: [0] 0,22 unequal: No Solution Exploring Operation: 7+0=7, Resulting Numbers: [7] 7,22 unequal: No Solution Moving to Node #0,1,1 Current State: 22:[0, 73], Operations: ['97-97=0', '80-7=73'] Exploring Operation: 0+73=73, Resulting Numbers: [73] 73,22 unequal: No Solution Exploring Operation: 73-0=73, Resulting Numbers: [73] 73,22 unequal: No Solution Exploring Operation: 0*73=0, Resulting Numbers: [0] 0,22 unequal: No Solution Moving to Node #0,1,0 Current State: 22:[80, 0], Operations: ['97-97=0', '7*0=0'] Exploring Operation: 80*0=0, Resulting Numbers: [0] 0,22 unequal: No Solution Exploring Operation: 80-0=80, Resulting Numbers: [80] 80,22 unequal: No Solution Exploring Operation: 80+0=80, Resulting Numbers: [80] 80,22 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: 22:[97, 7, 17], Operations: ['97-80=17'] Exploring Operation: 97-17=80, Resulting Numbers: [7, 80] Generated Node #0,2,0: 22:[7, 80] Operation: 97-17=80 Exploring Operation: 97-7=90, Resulting Numbers: [17, 90] Generated Node #0,2,1: 22:[17, 90] Operation: 97-7=90 Exploring Operation: 17-7=10, Resulting Numbers: [97, 10] Generated Node #0,2,2: 22:[97, 10] Operation: 17-7=10 Moving to Node #0,2,0 Current State: 22:[7, 80], Operations: ['97-80=17', '97-17=80'] Exploring Operation: 7+80=87, Resulting Numbers: [87] 87,22 unequal: No Solution Exploring Operation: 7*80=560, Resulting Numbers: [560] 560,22 unequal: No Solution Exploring Operation: 80-7=73, Resulting Numbers: [73] 73,22 unequal: No Solution Moving to Node #0,2,1 Current State: 22:[17, 90], Operations: ['97-80=17', '97-7=90'] Exploring Operation: 17*90=1530, Resulting Numbers: [1530] 1530,22 unequal: No Solution Exploring Operation: 90-17=73, Resulting Numbers: [73] 73,22 unequal: No Solution Exploring Operation: 17+90=107, Resulting Numbers: [107] 107,22 unequal: No Solution Moving to Node #0,2,2 Current State: 22:[97, 10], Operations: ['97-80=17', '17-7=10'] Exploring Operation: 97*10=970, Resulting Numbers: [970] 970,22 unequal: No Solution Exploring Operation: 97-10=87, Resulting Numbers: [87] 87,22 unequal: No Solution Exploring Operation: 97+10=107, Resulting Numbers: [107] 107,22 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
[ 54, 31, 50, 45 ]
30
[ "54*45=2430", "31+50=81", "2430/81=30" ]
Current State: 30:[54, 31, 50, 45], Operations: [] Exploring Operation: 54*45=2430, Resulting Numbers: [31, 50, 2430] Generated Node #2: [31, 50, 2430] from Operation: 54*45=2430 Current State: 30:[31, 50, 2430], Operations: ['54*45=2430'] Exploring Operation: 31+50=81, Resulting Numbers: [2430, 81] Generated Node #3: [2430, 81] from Operation: 31+50=81 Current State: 30:[2430, 81], Operations: ['54*45=2430', '31+50=81'] Exploring Operation: 2430/81=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[54, 31, 50, 45], Operations: [] Exploring Operation: 54-31=23, Resulting Numbers: [50, 45, 23] Generated Node #0,0: 30:[50, 45, 23] Operation: 54-31=23 Exploring Operation: 50-45=5, Resulting Numbers: [54, 31, 5] Generated Node #0,1: 30:[54, 31, 5] Operation: 50-45=5 Exploring Operation: 54-45=9, Resulting Numbers: [31, 50, 9] Generated Node #0,2: 30:[31, 50, 9] Operation: 54-45=9 Exploring Operation: 54-50=4, Resulting Numbers: [31, 45, 4] Generated Node #0,3: 30:[31, 45, 4] Operation: 54-50=4 Moving to Node #0,3 Current State: 30:[31, 45, 4], Operations: ['54-50=4'] Exploring Operation: 31+4=35, Resulting Numbers: [45, 35] Generated Node #0,3,0: 30:[45, 35] Operation: 31+4=35 Exploring Operation: 45-31=14, Resulting Numbers: [4, 14] Generated Node #0,3,1: 30:[4, 14] Operation: 45-31=14 Exploring Operation: 31-4=27, Resulting Numbers: [45, 27] Generated Node #0,3,2: 30:[45, 27] Operation: 31-4=27 Exploring Operation: 45-4=41, Resulting Numbers: [31, 41] Generated Node #0,3,3: 30:[31, 41] Operation: 45-4=41 Moving to Node #0,2 Current State: 30:[31, 50, 9], Operations: ['54-45=9'] Exploring Operation: 50-31=19, Resulting Numbers: [9, 19] Generated Node #0,2,0: 30:[9, 19] Operation: 50-31=19 Exploring Operation: 31-9=22, Resulting Numbers: [50, 22] Generated Node #0,2,1: 30:[50, 22] Operation: 31-9=22 Exploring Operation: 31+9=40, Resulting Numbers: [50, 40] Generated Node #0,2,2: 30:[50, 40] Operation: 31+9=40 Exploring Operation: 50-9=41, Resulting Numbers: [31, 41] Generated Node #0,2,3: 30:[31, 41] Operation: 50-9=41 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 30:[9, 19], Operations: ['54-45=9', '50-31=19'] Exploring Operation: 9*19=171, Resulting Numbers: [171] 171,30 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,30 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 #0,2,3 Current State: 30:[31, 41], Operations: ['54-45=9', '50-9=41'] Exploring Operation: 31+41=72, Resulting Numbers: [72] 72,30 unequal: No Solution Exploring Operation: 31*41=1271, Resulting Numbers: [1271] 1271,30 unequal: No Solution Exploring Operation: 41-31=10, Resulting Numbers: [10] 10,30 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 #0,2,1 Current State: 30:[50, 22], Operations: ['54-45=9', '31-9=22'] Exploring Operation: 50-22=28, Resulting Numbers: [28] 28,30 unequal: No Solution Exploring Operation: 50+22=72, Resulting Numbers: [72] 72,30 unequal: No Solution Exploring Operation: 50*22=1100, Resulting Numbers: [1100] 1100,30 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 #0,2,2 Current State: 30:[50, 40], Operations: ['54-45=9', '31+9=40'] Exploring Operation: 50*40=2000, Resulting Numbers: [2000] 2000,30 unequal: No Solution Exploring Operation: 50+40=90, Resulting Numbers: [90] 90,30 unequal: No Solution Exploring Operation: 50-40=10, Resulting Numbers: [10] 10,30 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: 30:[54, 31, 5], Operations: ['50-45=5'] Exploring Operation: 54+5=59, Resulting Numbers: [31, 59] Generated Node #0,1,0: 30:[31, 59] Operation: 54+5=59 Exploring Operation: 31-5=26, Resulting Numbers: [54, 26] Generated Node #0,1,1: 30:[54, 26] Operation: 31-5=26 Exploring Operation: 54-5=49, Resulting Numbers: [31, 49] Generated Node #0,1,2: 30:[31, 49] Operation: 54-5=49 Exploring Operation: 54-31=23, Resulting Numbers: [5, 23] Generated Node #0,1,3: 30:[5, 23] Operation: 54-31=23 Moving to Node #0,0 Current State: 30:[50, 45, 23], Operations: ['54-31=23'] Exploring Operation: 50-23=27, Resulting Numbers: [45, 27] Generated Node #0,0,0: 30:[45, 27] Operation: 50-23=27 Exploring Operation: 50+23=73, Resulting Numbers: [45, 73] Generated Node #0,0,1: 30:[45, 73] Operation: 50+23=73 Exploring Operation: 45-23=22, Resulting Numbers: [50, 22] Generated Node #0,0,2: 30:[50, 22] Operation: 45-23=22 Exploring Operation: 50-45=5, Resulting Numbers: [23, 5] Generated Node #0,0,3: 30:[23, 5] Operation: 50-45=5 Moving to Node #0,3,1 Current State: 30:[4, 14], Operations: ['54-50=4', '45-31=14'] Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,30 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,30 unequal: No Solution Moving to Node #0,1,3 Current State: 30:[5, 23], Operations: ['50-45=5', '54-31=23'] Exploring Operation: 5*23=115, Resulting Numbers: [115] 115,30 unequal: No Solution Exploring Operation: 5+23=28, Resulting Numbers: [28] 28,30 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,30 unequal: No Solution Moving to Node #0,0,3 Current State: 30:[23, 5], Operations: ['54-31=23', '50-45=5'] Exploring Operation: 23*5=115, Resulting Numbers: [115] 115,30 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,30 unequal: No Solution Exploring Operation: 23+5=28, Resulting Numbers: [28] 28,30 unequal: No Solution Moving to Node #0,3,3 Current State: 30:[31, 41], Operations: ['54-50=4', '45-4=41'] Exploring Operation: 31*41=1271, Resulting Numbers: [1271] 1271,30 unequal: No Solution Exploring Operation: 41-31=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 31+41=72, Resulting Numbers: [72] 72,30 unequal: No Solution Moving to Node #0,3,2 Current State: 30:[45, 27], Operations: ['54-50=4', '31-4=27'] Exploring Operation: 45+27=72, Resulting Numbers: [72] 72,30 unequal: No Solution Exploring Operation: 45*27=1215, Resulting Numbers: [1215] 1215,30 unequal: No Solution Exploring Operation: 45-27=18, Resulting Numbers: [18] 18,30 unequal: No Solution Moving to Node #0,0,0 Current State: 30:[45, 27], Operations: ['54-31=23', '50-23=27'] Exploring Operation: 45+27=72, Resulting Numbers: [72] 72,30 unequal: No Solution Exploring Operation: 45*27=1215, Resulting Numbers: [1215] 1215,30 unequal: No Solution Exploring Operation: 45-27=18, Resulting Numbers: [18] 18,30 unequal: No Solution Moving to Node #0,1,2 Current State: 30:[31, 49], Operations: ['50-45=5', '54-5=49'] Exploring Operation: 31+49=80, Resulting Numbers: [80] 80,30 unequal: No Solution Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,30 unequal: No Solution Exploring Operation: 31*49=1519, Resulting Numbers: [1519] 1519,30 unequal: No Solution Moving to Node #0,3,0 Current State: 30:[45, 35], Operations: ['54-50=4', '31+4=35'] Exploring Operation: 45-35=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 45+35=80, Resulting Numbers: [80] 80,30 unequal: No Solution Exploring Operation: 45*35=1575, Resulting Numbers: [1575] 1575,30 unequal: No Solution Moving to Node #0,0,2 Current State: 30:[50, 22], Operations: ['54-31=23', '45-23=22'] Exploring Operation: 50*22=1100, Resulting Numbers: [1100] 1100,30 unequal: No Solution Exploring Operation: 50-22=28, Resulting Numbers: [28] 28,30 unequal: No Solution Exploring Operation: 50+22=72, Resulting Numbers: [72] 72,30 unequal: No Solution Moving to Node #0,1,1 Current State: 30:[54, 26], Operations: ['50-45=5', '31-5=26'] Exploring Operation: 54*26=1404, Resulting Numbers: [1404] 1404,30 unequal: No Solution Exploring Operation: 54-26=28, Resulting Numbers: [28] 28,30 unequal: No Solution Exploring Operation: 54+26=80, Resulting Numbers: [80] 80,30 unequal: No Solution Moving to Node #0,1,0 Current State: 30:[31, 59], Operations: ['50-45=5', '54+5=59'] Exploring Operation: 31+59=90, Resulting Numbers: [90] 90,30 unequal: No Solution Exploring Operation: 59-31=28, Resulting Numbers: [28] 28,30 unequal: No Solution Exploring Operation: 31*59=1829, Resulting Numbers: [1829] 1829,30 unequal: No Solution Moving to Node #0,0,1 Current State: 30:[45, 73], Operations: ['54-31=23', '50+23=73'] Exploring Operation: 73-45=28, Resulting Numbers: [28] 28,30 unequal: No Solution Exploring Operation: 45*73=3285, Resulting Numbers: [3285] 3285,30 unequal: No Solution Exploring Operation: 45+73=118, Resulting Numbers: [118] 118,30 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 16, 41, 47, 99 ]
89
[ "16+41=57", "47+99=146", "146-57=89" ]
Current State: 89:[16, 41, 47, 99], Operations: [] Exploring Operation: 16+41=57, Resulting Numbers: [47, 99, 57] Generated Node #2: [47, 99, 57] from Operation: 16+41=57 Current State: 89:[47, 99, 57], Operations: ['16+41=57'] Exploring Operation: 47+99=146, Resulting Numbers: [57, 146] Generated Node #3: [57, 146] from Operation: 47+99=146 Current State: 89:[57, 146], Operations: ['16+41=57', '47+99=146'] Exploring Operation: 146-57=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[16, 41, 47, 99], Operations: [] Exploring Operation: 16+41=57, Resulting Numbers: [47, 99, 57] Generated Node #0,0: 89:[47, 99, 57] Operation: 16+41=57 Exploring Operation: 16+47=63, Resulting Numbers: [41, 99, 63] Generated Node #0,1: 89:[41, 99, 63] Operation: 16+47=63 Exploring Operation: 41+47=88, Resulting Numbers: [16, 99, 88] Generated Node #0,2: 89:[16, 99, 88] Operation: 41+47=88 Exploring Operation: 99-16=83, Resulting Numbers: [41, 47, 83] Generated Node #0,3: 89:[41, 47, 83] Operation: 99-16=83 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[47, 99, 57], Operations: ['16+41=57'] Exploring Operation: 99-47=52, Resulting Numbers: [57, 52] Generated Node #0,0,0: 89:[57, 52] Operation: 99-47=52 Exploring Operation: 47+99=146, Resulting Numbers: [57, 146] Generated Node #0,0,1: 89:[57, 146] Operation: 47+99=146 Exploring Operation: 47+57=104, Resulting Numbers: [99, 104] Generated Node #0,0,2: 89:[99, 104] Operation: 47+57=104 Exploring Operation: 57-47=10, Resulting Numbers: [99, 10] Generated Node #0,0,3: 89:[99, 10] Operation: 57-47=10 Moving to Node #0,0,2 Current State: 89:[99, 104], Operations: ['16+41=57', '47+57=104'] Exploring Operation: 99*104=10296, Resulting Numbers: [10296] 10296,89 unequal: No Solution Exploring Operation: 99+104=203, Resulting Numbers: [203] 203,89 unequal: No Solution Exploring Operation: 104-99=5, Resulting Numbers: [5] 5,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[57, 52], Operations: ['16+41=57', '99-47=52'] Exploring Operation: 57*52=2964, Resulting Numbers: [2964] 2964,89 unequal: No Solution Exploring Operation: 57-52=5, Resulting Numbers: [5] 5,89 unequal: No Solution Exploring Operation: 57+52=109, Resulting Numbers: [109] 109,89 unequal: No Solution Moving to Node #0,0,3 Current State: 89:[99, 10], Operations: ['16+41=57', '57-47=10'] Exploring Operation: 99+10=109, Resulting Numbers: [109] 109,89 unequal: No Solution Exploring Operation: 99-10=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[16, 41, 47, 99], Operations: [] Exploring Operation: 16+41=57, Resulting Numbers: [47, 99, 57] Generated Node #0,0: 89:[47, 99, 57] Operation: 16+41=57 Moving to Node #0,0 Current State: 89:[47, 99, 57], Operations: ['16+41=57'] Exploring Operation: 57-47=10, Resulting Numbers: [99, 10] Generated Node #0,0,3: 89:[99, 10] Operation: 57-47=10 Moving to Node #0,0,3 Current State: 89:[99, 10], Operations: ['16+41=57', '57-47=10'] Exploring Operation: 99-10=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 97, 76, 3, 66 ]
67
[ "76-66=10", "3*10=30", "97-30=67" ]
Current State: 67:[97, 76, 3, 66], Operations: [] Exploring Operation: 76-66=10, Resulting Numbers: [97, 3, 10] Generated Node #2: [97, 3, 10] from Operation: 76-66=10 Current State: 67:[97, 3, 10], Operations: ['76-66=10'] Exploring Operation: 3*10=30, Resulting Numbers: [97, 30] Generated Node #3: [97, 30] from Operation: 3*10=30 Current State: 67:[97, 30], Operations: ['76-66=10', '3*10=30'] Exploring Operation: 97-30=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[97, 76, 3, 66], Operations: [] Exploring Operation: 97-3=94, Resulting Numbers: [76, 66, 94] Generated Node #0,0: 67:[76, 66, 94] Operation: 97-3=94 Moving to Node #0,0 Current State: 67:[76, 66, 94], Operations: ['97-3=94'] Exploring Operation: 94-66=28, Resulting Numbers: [76, 28] Generated Node #0,0,0: 67:[76, 28] Operation: 94-66=28 Moving to Node #0,0,0 Current State: 67:[76, 28], Operations: ['97-3=94', '94-66=28'] Exploring Operation: 76-28=48, Resulting Numbers: [48] 48,67 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 3, 13, 83, 98 ]
32
[ "98-83=15", "3*15=45", "45-13=32" ]
Current State: 32:[3, 13, 83, 98], Operations: [] Exploring Operation: 98-83=15, Resulting Numbers: [3, 13, 15] Generated Node #2: [3, 13, 15] from Operation: 98-83=15 Current State: 32:[3, 13, 15], Operations: ['98-83=15'] Exploring Operation: 3*15=45, Resulting Numbers: [13, 45] Generated Node #3: [13, 45] from Operation: 3*15=45 Current State: 32:[13, 45], Operations: ['98-83=15', '3*15=45'] Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[3, 13, 83, 98], Operations: [] Exploring Operation: 83-3=80, Resulting Numbers: [13, 98, 80] Generated Node #0,0: 32:[13, 98, 80] Operation: 83-3=80 Exploring Operation: 3+13=16, Resulting Numbers: [83, 98, 16] Generated Node #0,1: 32:[83, 98, 16] Operation: 3+13=16 Exploring Operation: 83-13=70, Resulting Numbers: [3, 98, 70] Generated Node #0,2: 32:[3, 98, 70] Operation: 83-13=70 Exploring Operation: 98-83=15, Resulting Numbers: [3, 13, 15] Generated Node #0,3: 32:[3, 13, 15] Operation: 98-83=15 Exploring Operation: 98-13=85, Resulting Numbers: [3, 83, 85] Generated Node #0,4: 32:[3, 83, 85] Operation: 98-13=85 Moving to Node #0,3 Current State: 32:[3, 13, 15], Operations: ['98-83=15'] Exploring Operation: 15/3=5, Resulting Numbers: [13, 5] Generated Node #0,3,0: 32:[13, 5] Operation: 15/3=5 Exploring Operation: 15-13=2, Resulting Numbers: [3, 2] Generated Node #0,3,1: 32:[3, 2] Operation: 15-13=2 Exploring Operation: 3+15=18, Resulting Numbers: [13, 18] Generated Node #0,3,2: 32:[13, 18] Operation: 3+15=18 Exploring Operation: 3+13=16, Resulting Numbers: [15, 16] Generated Node #0,3,3: 32:[15, 16] Operation: 3+13=16 Exploring Operation: 13-3=10, Resulting Numbers: [15, 10] Generated Node #0,3,4: 32:[15, 10] Operation: 13-3=10 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 32:[3, 2], Operations: ['98-83=15', '15-13=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,32 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,32 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: 32:[15, 16], Operations: ['98-83=15', '3+13=16'] Exploring Operation: 15*16=240, Resulting Numbers: [240] 240,32 unequal: No Solution Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,32 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,32 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: 32:[15, 10], Operations: ['98-83=15', '13-3=10'] Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 15+10=25, Resulting Numbers: [25] 25,32 unequal: No Solution Exploring Operation: 15*10=150, Resulting Numbers: [150] 150,32 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: 32:[13, 5], Operations: ['98-83=15', '15/3=5'] Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,32 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,32 unequal: No Solution Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,32 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: 32:[13, 18], Operations: ['98-83=15', '3+15=18'] Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 13*18=234, Resulting Numbers: [234] 234,32 unequal: No Solution Exploring Operation: 13+18=31, Resulting Numbers: [31] 31,32 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: 32:[3, 83, 85], Operations: ['98-13=85'] Exploring Operation: 85-83=2, Resulting Numbers: [3, 2] Generated Node #0,4,0: 32:[3, 2] Operation: 85-83=2 Exploring Operation: 83-3=80, Resulting Numbers: [85, 80] Generated Node #0,4,1: 32:[85, 80] Operation: 83-3=80 Exploring Operation: 3+83=86, Resulting Numbers: [85, 86] Generated Node #0,4,2: 32:[85, 86] Operation: 3+83=86 Exploring Operation: 85-3=82, Resulting Numbers: [83, 82] Generated Node #0,4,3: 32:[83, 82] Operation: 85-3=82 Exploring Operation: 3+85=88, Resulting Numbers: [83, 88] Generated Node #0,4,4: 32:[83, 88] Operation: 3+85=88 Moving to Node #0,2 Current State: 32:[3, 98, 70], Operations: ['83-13=70'] Exploring Operation: 70-3=67, Resulting Numbers: [98, 67] Generated Node #0,2,0: 32:[98, 67] Operation: 70-3=67 Exploring Operation: 3+70=73, Resulting Numbers: [98, 73] Generated Node #0,2,1: 32:[98, 73] Operation: 3+70=73 Exploring Operation: 98-3=95, Resulting Numbers: [70, 95] Generated Node #0,2,2: 32:[70, 95] Operation: 98-3=95 Exploring Operation: 98-70=28, Resulting Numbers: [3, 28] Generated Node #0,2,3: 32:[3, 28] Operation: 98-70=28 Exploring Operation: 3+98=101, Resulting Numbers: [70, 101] Generated Node #0,2,4: 32:[70, 101] Operation: 3+98=101 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 32:[3, 28], Operations: ['83-13=70', '98-70=28'] Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,32 unequal: No Solution Exploring Operation: 3+28=31, Resulting Numbers: [31] 31,32 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,32 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: 32:[98, 67], Operations: ['83-13=70', '70-3=67'] Exploring Operation: 98*67=6566, Resulting Numbers: [6566] 6566,32 unequal: No Solution Exploring Operation: 98-67=31, Resulting Numbers: [31] 31,32 unequal: No Solution Exploring Operation: 98+67=165, Resulting Numbers: [165] 165,32 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: 32:[70, 95], Operations: ['83-13=70', '98-3=95'] Exploring Operation: 70+95=165, Resulting Numbers: [165] 165,32 unequal: No Solution Exploring Operation: 70*95=6650, Resulting Numbers: [6650] 6650,32 unequal: No Solution Exploring Operation: 95-70=25, Resulting Numbers: [25] 25,32 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: 32:[98, 73], Operations: ['83-13=70', '3+70=73'] Exploring Operation: 98*73=7154, Resulting Numbers: [7154] 7154,32 unequal: No Solution Exploring Operation: 98+73=171, Resulting Numbers: [171] 171,32 unequal: No Solution Exploring Operation: 98-73=25, Resulting Numbers: [25] 25,32 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: 32:[70, 101], Operations: ['83-13=70', '3+98=101'] Exploring Operation: 101-70=31, Resulting Numbers: [31] 31,32 unequal: No Solution Exploring Operation: 70*101=7070, Resulting Numbers: [7070] 7070,32 unequal: No Solution Exploring Operation: 70+101=171, Resulting Numbers: [171] 171,32 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: 32:[13, 98, 80], Operations: ['83-3=80'] Exploring Operation: 13+98=111, Resulting Numbers: [80, 111] Generated Node #0,0,0: 32:[80, 111] Operation: 13+98=111 Exploring Operation: 80-13=67, Resulting Numbers: [98, 67] Generated Node #0,0,1: 32:[98, 67] Operation: 80-13=67 Exploring Operation: 98-13=85, Resulting Numbers: [80, 85] Generated Node #0,0,2: 32:[80, 85] Operation: 98-13=85 Exploring Operation: 13+80=93, Resulting Numbers: [98, 93] Generated Node #0,0,3: 32:[98, 93] Operation: 13+80=93 Exploring Operation: 98-80=18, Resulting Numbers: [13, 18] Generated Node #0,0,4: 32:[13, 18] Operation: 98-80=18 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 32:[13, 18], Operations: ['83-3=80', '98-80=18'] Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 13*18=234, Resulting Numbers: [234] 234,32 unequal: No Solution Exploring Operation: 13+18=31, Resulting Numbers: [31] 31,32 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: 32:[98, 67], Operations: ['83-3=80', '80-13=67'] Exploring Operation: 98+67=165, Resulting Numbers: [165] 165,32 unequal: No Solution Exploring Operation: 98-67=31, Resulting Numbers: [31] 31,32 unequal: No Solution Exploring Operation: 98*67=6566, Resulting Numbers: [6566] 6566,32 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: 32:[80, 85], Operations: ['83-3=80', '98-13=85'] Exploring Operation: 80*85=6800, Resulting Numbers: [6800] 6800,32 unequal: No Solution Exploring Operation: 85-80=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 80+85=165, Resulting Numbers: [165] 165,32 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: 32:[80, 111], Operations: ['83-3=80', '13+98=111'] Exploring Operation: 80*111=8880, Resulting Numbers: [8880] 8880,32 unequal: No Solution Exploring Operation: 111-80=31, Resulting Numbers: [31] 31,32 unequal: No Solution Exploring Operation: 80+111=191, Resulting Numbers: [191] 191,32 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: 32:[98, 93], Operations: ['83-3=80', '13+80=93'] Exploring Operation: 98+93=191, Resulting Numbers: [191] 191,32 unequal: No Solution Exploring Operation: 98-93=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 98*93=9114, Resulting Numbers: [9114] 9114,32 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: 32:[83, 98, 16], Operations: ['3+13=16'] Exploring Operation: 83+16=99, Resulting Numbers: [98, 99] Generated Node #0,1,0: 32:[98, 99] Operation: 83+16=99 Exploring Operation: 98+16=114, Resulting Numbers: [83, 114] Generated Node #0,1,1: 32:[83, 114] Operation: 98+16=114 Exploring Operation: 83-16=67, Resulting Numbers: [98, 67] Generated Node #0,1,2: 32:[98, 67] Operation: 83-16=67 Exploring Operation: 98-83=15, Resulting Numbers: [16, 15] Generated Node #0,1,3: 32:[16, 15] Operation: 98-83=15 Exploring Operation: 98-16=82, Resulting Numbers: [83, 82] Generated Node #0,1,4: 32:[83, 82] Operation: 98-16=82 Moving to Node #0,4,0 Current State: 32:[3, 2], Operations: ['98-13=85', '85-83=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,32 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,32 unequal: No Solution Moving to Node #0,1,3 Current State: 32:[16, 15], Operations: ['3+13=16', '98-83=15'] Exploring Operation: 16*15=240, Resulting Numbers: [240] 240,32 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,32 unequal: No Solution Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,32 unequal: No Solution Moving to Node #0,1,2 Current State: 32:[98, 67], Operations: ['3+13=16', '83-16=67'] Exploring Operation: 98-67=31, Resulting Numbers: [31] 31,32 unequal: No Solution Exploring Operation: 98*67=6566, Resulting Numbers: [6566] 6566,32 unequal: No Solution Exploring Operation: 98+67=165, Resulting Numbers: [165] 165,32 unequal: No Solution Moving to Node #0,4,3 Current State: 32:[83, 82], Operations: ['98-13=85', '85-3=82'] Exploring Operation: 83+82=165, Resulting Numbers: [165] 165,32 unequal: No Solution Exploring Operation: 83*82=6806, Resulting Numbers: [6806] 6806,32 unequal: No Solution Exploring Operation: 83-82=1, Resulting Numbers: [1] 1,32 unequal: No Solution Moving to Node #0,4,1 Current State: 32:[85, 80], Operations: ['98-13=85', '83-3=80'] Exploring Operation: 85-80=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 85+80=165, Resulting Numbers: [165] 165,32 unequal: No Solution Exploring Operation: 85*80=6800, Resulting Numbers: [6800] 6800,32 unequal: No Solution Moving to Node #0,1,4 Current State: 32:[83, 82], Operations: ['3+13=16', '98-16=82'] Exploring Operation: 83-82=1, Resulting Numbers: [1] 1,32 unequal: No Solution Exploring Operation: 83*82=6806, Resulting Numbers: [6806] 6806,32 unequal: No Solution Exploring Operation: 83+82=165, Resulting Numbers: [165] 165,32 unequal: No Solution Moving to Node #0,4,2 Current State: 32:[85, 86], Operations: ['98-13=85', '3+83=86'] Exploring Operation: 86-85=1, Resulting Numbers: [1] 1,32 unequal: No Solution Exploring Operation: 85+86=171, Resulting Numbers: [171] 171,32 unequal: No Solution Exploring Operation: 85*86=7310, Resulting Numbers: [7310] 7310,32 unequal: No Solution Moving to Node #0,4,4 Current State: 32:[83, 88], Operations: ['98-13=85', '3+85=88'] Exploring Operation: 83*88=7304, Resulting Numbers: [7304] 7304,32 unequal: No Solution Exploring Operation: 83+88=171, Resulting Numbers: [171] 171,32 unequal: No Solution Exploring Operation: 88-83=5, Resulting Numbers: [5] 5,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[83, 114], Operations: ['3+13=16', '98+16=114'] Exploring Operation: 83*114=9462, Resulting Numbers: [9462] 9462,32 unequal: No Solution Exploring Operation: 114-83=31, Resulting Numbers: [31] 31,32 unequal: No Solution Exploring Operation: 83+114=197, Resulting Numbers: [197] 197,32 unequal: No Solution Moving to Node #0,1,0 Current State: 32:[98, 99], Operations: ['3+13=16', '83+16=99'] Exploring Operation: 98+99=197, Resulting Numbers: [197] 197,32 unequal: No Solution Exploring Operation: 98*99=9702, Resulting Numbers: [9702] 9702,32 unequal: No Solution Exploring Operation: 99-98=1, Resulting Numbers: [1] 1,32 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 75, 56, 34, 38 ]
68
[ "75-56=19", "34*38=1292", "1292/19=68" ]
Current State: 68:[75, 56, 34, 38], Operations: [] Exploring Operation: 75-56=19, Resulting Numbers: [34, 38, 19] Generated Node #2: [34, 38, 19] from Operation: 75-56=19 Current State: 68:[34, 38, 19], Operations: ['75-56=19'] Exploring Operation: 34*38=1292, Resulting Numbers: [19, 1292] Generated Node #3: [19, 1292] from Operation: 34*38=1292 Current State: 68:[19, 1292], Operations: ['75-56=19', '34*38=1292'] Exploring Operation: 1292/19=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[75, 56, 34, 38], Operations: [] Exploring Operation: 56-38=18, Resulting Numbers: [75, 34, 18] Generated Node #0,0: 68:[75, 34, 18] Operation: 56-38=18 Exploring Operation: 75-56=19, Resulting Numbers: [34, 38, 19] Generated Node #0,1: 68:[34, 38, 19] Operation: 75-56=19 Exploring Operation: 75-38=37, Resulting Numbers: [56, 34, 37] Generated Node #0,2: 68:[56, 34, 37] Operation: 75-38=37 Exploring Operation: 56-34=22, Resulting Numbers: [75, 38, 22] Generated Node #0,3: 68:[75, 38, 22] Operation: 56-34=22 Moving to Node #0,1 Current State: 68:[34, 38, 19], Operations: ['75-56=19'] Exploring Operation: 38-34=4, Resulting Numbers: [19, 4] Generated Node #0,1,0: 68:[19, 4] Operation: 38-34=4 Exploring Operation: 34+38=72, Resulting Numbers: [19, 72] Generated Node #0,1,1: 68:[19, 72] Operation: 34+38=72 Exploring Operation: 38-19=19, Resulting Numbers: [34, 19] Generated Node #0,1,2: 68:[34, 19] Operation: 38-19=19 Exploring Operation: 38/19=2, Resulting Numbers: [34, 2] Generated Node #0,1,3: 68:[34, 2] Operation: 38/19=2 Moving to Node #0,0 Current State: 68:[75, 34, 18], Operations: ['56-38=18'] Exploring Operation: 34-18=16, Resulting Numbers: [75, 16] Generated Node #0,0,0: 68:[75, 16] Operation: 34-18=16 Exploring Operation: 75-34=41, Resulting Numbers: [18, 41] Generated Node #0,0,1: 68:[18, 41] Operation: 75-34=41 Exploring Operation: 34+18=52, Resulting Numbers: [75, 52] Generated Node #0,0,2: 68:[75, 52] Operation: 34+18=52 Exploring Operation: 75-18=57, Resulting Numbers: [34, 57] Generated Node #0,0,3: 68:[34, 57] Operation: 75-18=57 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[75, 16], Operations: ['56-38=18', '34-18=16'] Exploring Operation: 75*16=1200, Resulting Numbers: [1200] 1200,68 unequal: No Solution Exploring Operation: 75+16=91, Resulting Numbers: [91] 91,68 unequal: No Solution Exploring Operation: 75-16=59, Resulting Numbers: [59] 59,68 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: 68:[18, 41], Operations: ['56-38=18', '75-34=41'] Exploring Operation: 41-18=23, Resulting Numbers: [23] 23,68 unequal: No Solution Exploring Operation: 18+41=59, Resulting Numbers: [59] 59,68 unequal: No Solution Exploring Operation: 18*41=738, Resulting Numbers: [738] 738,68 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: 68:[34, 57], Operations: ['56-38=18', '75-18=57'] Exploring Operation: 57-34=23, Resulting Numbers: [23] 23,68 unequal: No Solution Exploring Operation: 34+57=91, Resulting Numbers: [91] 91,68 unequal: No Solution Exploring Operation: 34*57=1938, Resulting Numbers: [1938] 1938,68 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: 68:[75, 52], Operations: ['56-38=18', '34+18=52'] Exploring Operation: 75+52=127, Resulting Numbers: [127] 127,68 unequal: No Solution Exploring Operation: 75-52=23, Resulting Numbers: [23] 23,68 unequal: No Solution Exploring Operation: 75*52=3900, Resulting Numbers: [3900] 3900,68 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: 68:[56, 34, 37], Operations: ['75-38=37'] Exploring Operation: 56-34=22, Resulting Numbers: [37, 22] Generated Node #0,2,0: 68:[37, 22] Operation: 56-34=22 Exploring Operation: 37-34=3, Resulting Numbers: [56, 3] Generated Node #0,2,1: 68:[56, 3] Operation: 37-34=3 Exploring Operation: 56-37=19, Resulting Numbers: [34, 19] Generated Node #0,2,2: 68:[34, 19] Operation: 56-37=19 Exploring Operation: 34+37=71, Resulting Numbers: [56, 71] Generated Node #0,2,3: 68:[56, 71] Operation: 34+37=71 Moving to Node #0,3 Current State: 68:[75, 38, 22], Operations: ['56-34=22'] Exploring Operation: 75-38=37, Resulting Numbers: [22, 37] Generated Node #0,3,0: 68:[22, 37] Operation: 75-38=37 Exploring Operation: 38+22=60, Resulting Numbers: [75, 60] Generated Node #0,3,1: 68:[75, 60] Operation: 38+22=60 Exploring Operation: 75-22=53, Resulting Numbers: [38, 53] Generated Node #0,3,2: 68:[38, 53] Operation: 75-22=53 Exploring Operation: 38-22=16, Resulting Numbers: [75, 16] Generated Node #0,3,3: 68:[75, 16] Operation: 38-22=16 Moving to Node #0,1,3 Current State: 68:[34, 2], Operations: ['75-56=19', '38/19=2'] Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,68 unequal: No Solution Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[75, 56, 34, 38], Operations: [] Exploring Operation: 75-56=19, Resulting Numbers: [34, 38, 19] Generated Node #0,1: 68:[34, 38, 19] Operation: 75-56=19 Moving to Node #0,1 Current State: 68:[34, 38, 19], Operations: ['75-56=19'] Exploring Operation: 38/19=2, Resulting Numbers: [34, 2] Generated Node #0,1,3: 68:[34, 2] Operation: 38/19=2 Moving to Node #0,1,3 Current State: 68:[34, 2], Operations: ['75-56=19', '38/19=2'] Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
0.967014
hs_4
mult_heuristic
[ 43, 82, 56, 25 ]
43
[ "82-56=26", "26-25=1", "43*1=43" ]
Current State: 43:[43, 82, 56, 25], Operations: [] Exploring Operation: 82-56=26, Resulting Numbers: [43, 25, 26] Generated Node #2: [43, 25, 26] from Operation: 82-56=26 Current State: 43:[43, 25, 26], Operations: ['82-56=26'] Exploring Operation: 26-25=1, Resulting Numbers: [43, 1] Generated Node #3: [43, 1] from Operation: 26-25=1 Current State: 43:[43, 1], Operations: ['82-56=26', '26-25=1'] Exploring Operation: 43*1=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[43, 82, 56, 25], Operations: [] Exploring Operation: 82-43=39, Resulting Numbers: [56, 25, 39] Generated Node #0,0: 43:[56, 25, 39] Operation: 82-43=39 Exploring Operation: 82-25=57, Resulting Numbers: [43, 56, 57] Generated Node #0,1: 43:[43, 56, 57] Operation: 82-25=57 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[43, 56, 57], Operations: ['82-25=57'] Exploring Operation: 57-43=14, Resulting Numbers: [56, 14] Generated Node #0,1,0: 43:[56, 14] Operation: 57-43=14 Exploring Operation: 57-56=1, Resulting Numbers: [43, 1] Generated Node #0,1,1: 43:[43, 1] Operation: 57-56=1 Moving to Node #0,1,0 Current State: 43:[56, 14], Operations: ['82-25=57', '57-43=14'] Exploring Operation: 56-14=42, Resulting Numbers: [42] 42,43 unequal: No Solution Exploring Operation: 56+14=70, Resulting Numbers: [70] 70,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[43, 1], Operations: ['82-25=57', '57-56=1'] Exploring Operation: 43*1=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[43, 82, 56, 25], Operations: [] Exploring Operation: 82-25=57, Resulting Numbers: [43, 56, 57] Generated Node #0,1: 43:[43, 56, 57] Operation: 82-25=57 Moving to Node #0,1 Current State: 43:[43, 56, 57], Operations: ['82-25=57'] Exploring Operation: 57-56=1, Resulting Numbers: [43, 1] Generated Node #0,1,1: 43:[43, 1] Operation: 57-56=1 Moving to Node #0,1,1 Current State: 43:[43, 1], Operations: ['82-25=57', '57-56=1'] Exploring Operation: 43*1=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 63, 61, 35, 15 ]
88
[ "63*15=945", "945/35=27", "61+27=88" ]
Current State: 88:[63, 61, 35, 15], Operations: [] Exploring Operation: 63*15=945, Resulting Numbers: [61, 35, 945] Generated Node #2: [61, 35, 945] from Operation: 63*15=945 Current State: 88:[61, 35, 945], Operations: ['63*15=945'] Exploring Operation: 945/35=27, Resulting Numbers: [61, 27] Generated Node #3: [61, 27] from Operation: 945/35=27 Current State: 88:[61, 27], Operations: ['63*15=945', '945/35=27'] Exploring Operation: 61+27=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[63, 61, 35, 15], Operations: [] Exploring Operation: 63-61=2, Resulting Numbers: [35, 15, 2] Generated Node #0,0: 88:[35, 15, 2] Operation: 63-61=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[35, 15, 2], Operations: ['63-61=2'] Exploring Operation: 35-15=20, Resulting Numbers: [2, 20] Generated Node #0,0,0: 88:[2, 20] Operation: 35-15=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[2, 20], Operations: ['63-61=2', '35-15=20'] Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,88 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
[ 19, 14, 17, 33 ]
90
[ "17-14=3", "19*3=57", "33+57=90" ]
Current State: 90:[19, 14, 17, 33], Operations: [] Exploring Operation: 17-14=3, Resulting Numbers: [19, 33, 3] Generated Node #2: [19, 33, 3] from Operation: 17-14=3 Current State: 90:[19, 33, 3], Operations: ['17-14=3'] Exploring Operation: 19*3=57, Resulting Numbers: [33, 57] Generated Node #3: [33, 57] from Operation: 19*3=57 Current State: 90:[33, 57], Operations: ['17-14=3', '19*3=57'] Exploring Operation: 33+57=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[19, 14, 17, 33], Operations: [] Exploring Operation: 33-17=16, Resulting Numbers: [19, 14, 16] Generated Node #0,0: 90:[19, 14, 16] Operation: 33-17=16 Exploring Operation: 33-14=19, Resulting Numbers: [19, 17, 19] Generated Node #0,1: 90:[19, 17, 19] Operation: 33-14=19 Exploring Operation: 33-19=14, Resulting Numbers: [14, 17, 14] Generated Node #0,2: 90:[14, 17, 14] Operation: 33-19=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[19, 14, 16], Operations: ['33-17=16'] Exploring Operation: 19-16=3, Resulting Numbers: [14, 3] Generated Node #0,0,0: 90:[14, 3] Operation: 19-16=3 Exploring Operation: 19-14=5, Resulting Numbers: [16, 5] Generated Node #0,0,1: 90:[16, 5] Operation: 19-14=5 Exploring Operation: 14+16=30, Resulting Numbers: [19, 30] Generated Node #0,0,2: 90:[19, 30] Operation: 14+16=30 Moving to Node #0,0,0 Current State: 90:[14, 3], Operations: ['33-17=16', '19-16=3'] Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,90 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[16, 5], Operations: ['33-17=16', '19-14=5'] Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,90 unequal: No Solution Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,90 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[19, 30], Operations: ['33-17=16', '14+16=30'] Exploring Operation: 19*30=570, Resulting Numbers: [570] 570,90 unequal: No Solution Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 19+30=49, Resulting Numbers: [49] 49,90 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: 90:[19, 17, 19], Operations: ['33-14=19'] Exploring Operation: 19/19=1, Resulting Numbers: [17, 1] Generated Node #0,1,0: 90:[17, 1] Operation: 19/19=1 Exploring Operation: 19-17=2, Resulting Numbers: [19, 2] Generated Node #0,1,1: 90:[19, 2] Operation: 19-17=2 Exploring Operation: 19-17=2, Resulting Numbers: [19, 2] Generated Node #0,1,2: 90:[19, 2] Operation: 19-17=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 90:[19, 2], Operations: ['33-14=19', '19-17=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,90 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,90 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,90 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: 90:[19, 2], Operations: ['33-14=19', '19-17=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,90 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,90 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,90 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: 90:[17, 1], Operations: ['33-14=19', '19/19=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,90 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,90 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,90 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: 90:[14, 17, 14], Operations: ['33-19=14'] Exploring Operation: 14+17=31, Resulting Numbers: [14, 31] Generated Node #0,2,0: 90:[14, 31] Operation: 14+17=31 Exploring Operation: 17-14=3, Resulting Numbers: [14, 3] Generated Node #0,2,1: 90:[14, 3] Operation: 17-14=3 Exploring Operation: 17-14=3, Resulting Numbers: [14, 3] Generated Node #0,2,2: 90:[14, 3] Operation: 17-14=3 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 90:[14, 3], Operations: ['33-19=14', '17-14=3'] Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,90 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,90 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,90 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: 90:[14, 3], Operations: ['33-19=14', '17-14=3'] Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,90 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,90 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: 90:[14, 31], Operations: ['33-19=14', '14+17=31'] Exploring Operation: 14+31=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 14*31=434, Resulting Numbers: [434] 434,90 unequal: No Solution Exploring Operation: 31-14=17, Resulting Numbers: [17] 17,90 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
[ 44, 65, 92, 61 ]
84
[ "65-61=4", "44*4=176", "176-92=84" ]
Current State: 84:[44, 65, 92, 61], Operations: [] Exploring Operation: 65-61=4, Resulting Numbers: [44, 92, 4] Generated Node #2: [44, 92, 4] from Operation: 65-61=4 Current State: 84:[44, 92, 4], Operations: ['65-61=4'] Exploring Operation: 44*4=176, Resulting Numbers: [92, 176] Generated Node #3: [92, 176] from Operation: 44*4=176 Current State: 84:[92, 176], Operations: ['65-61=4', '44*4=176'] Exploring Operation: 176-92=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[44, 65, 92, 61], Operations: [] Exploring Operation: 92-65=27, Resulting Numbers: [44, 61, 27] Generated Node #0,0: 84:[44, 61, 27] Operation: 92-65=27 Exploring Operation: 92-61=31, Resulting Numbers: [44, 65, 31] Generated Node #0,1: 84:[44, 65, 31] Operation: 92-61=31 Exploring Operation: 65-61=4, Resulting Numbers: [44, 92, 4] Generated Node #0,2: 84:[44, 92, 4] Operation: 65-61=4 Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[44, 92, 4], Operations: ['65-61=4'] Exploring Operation: 92-44=48, Resulting Numbers: [4, 48] Generated Node #0,2,0: 84:[4, 48] Operation: 92-44=48 Exploring Operation: 92/4=23, Resulting Numbers: [44, 23] Generated Node #0,2,1: 84:[44, 23] Operation: 92/4=23 Exploring Operation: 92-4=88, Resulting Numbers: [44, 88] Generated Node #0,2,2: 84:[44, 88] Operation: 92-4=88 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 84:[44, 23], Operations: ['65-61=4', '92/4=23'] Exploring Operation: 44+23=67, Resulting Numbers: [67] 67,84 unequal: No Solution Exploring Operation: 44*23=1012, Resulting Numbers: [1012] 1012,84 unequal: No Solution Exploring Operation: 44-23=21, Resulting Numbers: [21] 21,84 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: 84:[4, 48], Operations: ['65-61=4', '92-44=48'] Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 4+48=52, Resulting Numbers: [52] 52,84 unequal: No Solution Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,84 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: 84:[44, 88], Operations: ['65-61=4', '92-4=88'] Exploring Operation: 88/44=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 44+88=132, Resulting Numbers: [132] 132,84 unequal: No Solution Exploring Operation: 88-44=44, Resulting Numbers: [44] 44,84 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: 84:[44, 61, 27], Operations: ['92-65=27'] Exploring Operation: 61-27=34, Resulting Numbers: [44, 34] Generated Node #0,0,0: 84:[44, 34] Operation: 61-27=34 Exploring Operation: 61+27=88, Resulting Numbers: [44, 88] Generated Node #0,0,1: 84:[44, 88] Operation: 61+27=88 Exploring Operation: 61-44=17, Resulting Numbers: [27, 17] Generated Node #0,0,2: 84:[27, 17] Operation: 61-44=17 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 84:[27, 17], Operations: ['92-65=27', '61-44=17'] Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,84 unequal: No Solution Exploring Operation: 27*17=459, Resulting Numbers: [459] 459,84 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: 84:[44, 88], Operations: ['92-65=27', '61+27=88'] Exploring Operation: 88/44=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 44+88=132, Resulting Numbers: [132] 132,84 unequal: No Solution Exploring Operation: 88-44=44, Resulting Numbers: [44] 44,84 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: 84:[44, 34], Operations: ['92-65=27', '61-27=34'] Exploring Operation: 44+34=78, Resulting Numbers: [78] 78,84 unequal: No Solution Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,84 unequal: No Solution Exploring Operation: 44*34=1496, Resulting Numbers: [1496] 1496,84 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: 84:[44, 65, 31], Operations: ['92-61=31'] Exploring Operation: 65-44=21, Resulting Numbers: [31, 21] Generated Node #0,1,0: 84:[31, 21] Operation: 65-44=21 Exploring Operation: 65-31=34, Resulting Numbers: [44, 34] Generated Node #0,1,1: 84:[44, 34] Operation: 65-31=34 Exploring Operation: 65+31=96, Resulting Numbers: [44, 96] Generated Node #0,1,2: 84:[44, 96] Operation: 65+31=96 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 84:[31, 21], Operations: ['92-61=31', '65-44=21'] Exploring Operation: 31-21=10, Resulting Numbers: [10] 10,84 unequal: No Solution Exploring Operation: 31+21=52, Resulting Numbers: [52] 52,84 unequal: No Solution Exploring Operation: 31*21=651, Resulting Numbers: [651] 651,84 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: 84:[44, 34], Operations: ['92-61=31', '65-31=34'] Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,84 unequal: No Solution Exploring Operation: 44*34=1496, Resulting Numbers: [1496] 1496,84 unequal: No Solution Exploring Operation: 44+34=78, Resulting Numbers: [78] 78,84 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: 84:[44, 96], Operations: ['92-61=31', '65+31=96'] Exploring Operation: 96-44=52, Resulting Numbers: [52] 52,84 unequal: No Solution Exploring Operation: 44+96=140, Resulting Numbers: [140] 140,84 unequal: No Solution Exploring Operation: 44*96=4224, Resulting Numbers: [4224] 4224,84 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
mult_heuristic
[ 29, 72, 8, 99 ]
10
[ "29+72=101", "99-8=91", "101-91=10" ]
Current State: 10:[29, 72, 8, 99], Operations: [] Exploring Operation: 29+72=101, Resulting Numbers: [8, 99, 101] Generated Node #2: [8, 99, 101] from Operation: 29+72=101 Current State: 10:[8, 99, 101], Operations: ['29+72=101'] Exploring Operation: 99-8=91, Resulting Numbers: [101, 91] Generated Node #3: [101, 91] from Operation: 99-8=91 Current State: 10:[101, 91], Operations: ['29+72=101', '99-8=91'] Exploring Operation: 101-91=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[29, 72, 8, 99], Operations: [] Exploring Operation: 99-72=27, Resulting Numbers: [29, 8, 27] Generated Node #0,0: 10:[29, 8, 27] Operation: 99-72=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[29, 8, 27], Operations: ['99-72=27'] Exploring Operation: 29-27=2, Resulting Numbers: [8, 2] Generated Node #0,0,0: 10:[8, 2] Operation: 29-27=2 Moving to Node #0,0,0 Current State: 10:[8, 2], Operations: ['99-72=27', '29-27=2'] Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[29, 72, 8, 99], Operations: [] Exploring Operation: 99-72=27, Resulting Numbers: [29, 8, 27] Generated Node #0,0: 10:[29, 8, 27] Operation: 99-72=27 Moving to Node #0,0 Current State: 10:[29, 8, 27], Operations: ['99-72=27'] Exploring Operation: 29-27=2, Resulting Numbers: [8, 2] Generated Node #0,0,0: 10:[8, 2] Operation: 29-27=2 Moving to Node #0,0,0 Current State: 10:[8, 2], Operations: ['99-72=27', '29-27=2'] Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 38, 87, 54, 40 ]
93
[ "87*40=3480", "54+3480=3534", "3534/38=93" ]
Current State: 93:[38, 87, 54, 40], Operations: [] Exploring Operation: 87*40=3480, Resulting Numbers: [38, 54, 3480] Generated Node #2: [38, 54, 3480] from Operation: 87*40=3480 Current State: 93:[38, 54, 3480], Operations: ['87*40=3480'] Exploring Operation: 54+3480=3534, Resulting Numbers: [38, 3534] Generated Node #3: [38, 3534] from Operation: 54+3480=3534 Current State: 93:[38, 3534], Operations: ['87*40=3480', '54+3480=3534'] Exploring Operation: 3534/38=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[38, 87, 54, 40], Operations: [] Exploring Operation: 38+54=92, Resulting Numbers: [87, 40, 92] Generated Node #0,0: 93:[87, 40, 92] Operation: 38+54=92 Exploring Operation: 54+40=94, Resulting Numbers: [38, 87, 94] Generated Node #0,1: 93:[38, 87, 94] Operation: 54+40=94 Exploring Operation: 54-40=14, Resulting Numbers: [38, 87, 14] Generated Node #0,2: 93:[38, 87, 14] Operation: 54-40=14 Exploring Operation: 87-54=33, Resulting Numbers: [38, 40, 33] Generated Node #0,3: 93:[38, 40, 33] Operation: 87-54=33 Moving to Node #0,1 Current State: 93:[38, 87, 94], Operations: ['54+40=94'] Exploring Operation: 38+87=125, Resulting Numbers: [94, 125] Generated Node #0,1,0: 93:[94, 125] Operation: 38+87=125 Exploring Operation: 94-87=7, Resulting Numbers: [38, 7] Generated Node #0,1,1: 93:[38, 7] Operation: 94-87=7 Exploring Operation: 94-38=56, Resulting Numbers: [87, 56] Generated Node #0,1,2: 93:[87, 56] Operation: 94-38=56 Exploring Operation: 87-38=49, Resulting Numbers: [94, 49] Generated Node #0,1,3: 93:[94, 49] Operation: 87-38=49 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[38, 7], Operations: ['54+40=94', '94-87=7'] Exploring Operation: 38+7=45, Resulting Numbers: [45] 45,93 unequal: No Solution Exploring Operation: 38*7=266, Resulting Numbers: [266] 266,93 unequal: No Solution Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,93 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: 93:[94, 49], Operations: ['54+40=94', '87-38=49'] Exploring Operation: 94*49=4606, Resulting Numbers: [4606] 4606,93 unequal: No Solution Exploring Operation: 94-49=45, Resulting Numbers: [45] 45,93 unequal: No Solution Exploring Operation: 94+49=143, Resulting Numbers: [143] 143,93 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: 93:[87, 56], Operations: ['54+40=94', '94-38=56'] Exploring Operation: 87*56=4872, Resulting Numbers: [4872] 4872,93 unequal: No Solution Exploring Operation: 87+56=143, Resulting Numbers: [143] 143,93 unequal: No Solution Exploring Operation: 87-56=31, Resulting Numbers: [31] 31,93 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: 93:[94, 125], Operations: ['54+40=94', '38+87=125'] Exploring Operation: 94+125=219, Resulting Numbers: [219] 219,93 unequal: No Solution Exploring Operation: 125-94=31, Resulting Numbers: [31] 31,93 unequal: No Solution Exploring Operation: 94*125=11750, Resulting Numbers: [11750] 11750,93 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: 93:[87, 40, 92], Operations: ['38+54=92'] Exploring Operation: 87-40=47, Resulting Numbers: [92, 47] Generated Node #0,0,0: 93:[92, 47] Operation: 87-40=47 Exploring Operation: 92-87=5, Resulting Numbers: [40, 5] Generated Node #0,0,1: 93:[40, 5] Operation: 92-87=5 Exploring Operation: 87+40=127, Resulting Numbers: [92, 127] Generated Node #0,0,2: 93:[92, 127] Operation: 87+40=127 Exploring Operation: 92-40=52, Resulting Numbers: [87, 52] Generated Node #0,0,3: 93:[87, 52] Operation: 92-40=52 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[40, 5], Operations: ['38+54=92', '92-87=5'] Exploring Operation: 40*5=200, Resulting Numbers: [200] 200,93 unequal: No Solution Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,93 unequal: No Solution Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,93 unequal: No Solution Exploring Operation: 40+5=45, Resulting Numbers: [45] 45,93 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: 93:[92, 47], Operations: ['38+54=92', '87-40=47'] Exploring Operation: 92-47=45, Resulting Numbers: [45] 45,93 unequal: No Solution Exploring Operation: 92+47=139, Resulting Numbers: [139] 139,93 unequal: No Solution Exploring Operation: 92*47=4324, Resulting Numbers: [4324] 4324,93 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: 93:[87, 52], Operations: ['38+54=92', '92-40=52'] Exploring Operation: 87+52=139, Resulting Numbers: [139] 139,93 unequal: No Solution Exploring Operation: 87*52=4524, Resulting Numbers: [4524] 4524,93 unequal: No Solution Exploring Operation: 87-52=35, Resulting Numbers: [35] 35,93 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: 93:[92, 127], Operations: ['38+54=92', '87+40=127'] Exploring Operation: 92+127=219, Resulting Numbers: [219] 219,93 unequal: No Solution Exploring Operation: 127-92=35, Resulting Numbers: [35] 35,93 unequal: No Solution Exploring Operation: 92*127=11684, Resulting Numbers: [11684] 11684,93 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: 93:[38, 40, 33], Operations: ['87-54=33'] Exploring Operation: 38-33=5, Resulting Numbers: [40, 5] Generated Node #0,3,0: 93:[40, 5] Operation: 38-33=5 Exploring Operation: 38+40=78, Resulting Numbers: [33, 78] Generated Node #0,3,1: 93:[33, 78] Operation: 38+40=78 Exploring Operation: 40-33=7, Resulting Numbers: [38, 7] Generated Node #0,3,2: 93:[38, 7] Operation: 40-33=7 Exploring Operation: 40-38=2, Resulting Numbers: [33, 2] Generated Node #0,3,3: 93:[33, 2] Operation: 40-38=2 Moving to Node #0,2 Current State: 93:[38, 87, 14], Operations: ['54-40=14'] Exploring Operation: 87-14=73, Resulting Numbers: [38, 73] Generated Node #0,2,0: 93:[38, 73] Operation: 87-14=73 Exploring Operation: 38-14=24, Resulting Numbers: [87, 24] Generated Node #0,2,1: 93:[87, 24] Operation: 38-14=24 Exploring Operation: 38+14=52, Resulting Numbers: [87, 52] Generated Node #0,2,2: 93:[87, 52] Operation: 38+14=52 Exploring Operation: 87+14=101, Resulting Numbers: [38, 101] Generated Node #0,2,3: 93:[38, 101] Operation: 87+14=101 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 93:[87, 24], Operations: ['54-40=14', '38-14=24'] Exploring Operation: 87+24=111, Resulting Numbers: [111] 111,93 unequal: No Solution Exploring Operation: 87*24=2088, Resulting Numbers: [2088] 2088,93 unequal: No Solution Exploring Operation: 87-24=63, Resulting Numbers: [63] 63,93 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: 93:[38, 101], Operations: ['54-40=14', '87+14=101'] Exploring Operation: 38*101=3838, Resulting Numbers: [3838] 3838,93 unequal: No Solution Exploring Operation: 101-38=63, Resulting Numbers: [63] 63,93 unequal: No Solution Exploring Operation: 38+101=139, Resulting Numbers: [139] 139,93 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: 93:[38, 73], Operations: ['54-40=14', '87-14=73'] Exploring Operation: 38+73=111, Resulting Numbers: [111] 111,93 unequal: No Solution Exploring Operation: 38*73=2774, Resulting Numbers: [2774] 2774,93 unequal: No Solution Exploring Operation: 73-38=35, Resulting Numbers: [35] 35,93 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: 93:[87, 52], Operations: ['54-40=14', '38+14=52'] Exploring Operation: 87+52=139, Resulting Numbers: [139] 139,93 unequal: No Solution Exploring Operation: 87*52=4524, Resulting Numbers: [4524] 4524,93 unequal: No Solution Exploring Operation: 87-52=35, Resulting Numbers: [35] 35,93 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: 93:[33, 2], Operations: ['87-54=33', '40-38=2'] Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,93 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,93 unequal: No Solution Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,93 unequal: No Solution Moving to Node #0,3,2 Current State: 93:[38, 7], Operations: ['87-54=33', '40-33=7'] Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,93 unequal: No Solution Exploring Operation: 38*7=266, Resulting Numbers: [266] 266,93 unequal: No Solution Exploring Operation: 38+7=45, Resulting Numbers: [45] 45,93 unequal: No Solution Moving to Node #0,3,0 Current State: 93:[40, 5], Operations: ['87-54=33', '38-33=5'] Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,93 unequal: No Solution Exploring Operation: 40+5=45, Resulting Numbers: [45] 45,93 unequal: No Solution Exploring Operation: 40*5=200, Resulting Numbers: [200] 200,93 unequal: No Solution Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,93 unequal: No Solution Moving to Node #0,3,1 Current State: 93:[33, 78], Operations: ['87-54=33', '38+40=78'] Exploring Operation: 33*78=2574, Resulting Numbers: [2574] 2574,93 unequal: No Solution Exploring Operation: 33+78=111, Resulting Numbers: [111] 111,93 unequal: No Solution Exploring Operation: 78-33=45, Resulting Numbers: [45] 45,93 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 63, 23, 20, 6 ]
10
[ "63-23=40", "20+40=60", "60/6=10" ]
Current State: 10:[63, 23, 20, 6], Operations: [] Exploring Operation: 63-23=40, Resulting Numbers: [20, 6, 40] Generated Node #2: [20, 6, 40] from Operation: 63-23=40 Current State: 10:[20, 6, 40], Operations: ['63-23=40'] Exploring Operation: 20+40=60, Resulting Numbers: [6, 60] Generated Node #3: [6, 60] from Operation: 20+40=60 Current State: 10:[6, 60], Operations: ['63-23=40', '20+40=60'] Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[63, 23, 20, 6], Operations: [] Exploring Operation: 63-23=40, Resulting Numbers: [20, 6, 40] Generated Node #0,0: 10:[20, 6, 40] Operation: 63-23=40 Exploring Operation: 63-20=43, Resulting Numbers: [23, 6, 43] Generated Node #0,1: 10:[23, 6, 43] Operation: 63-20=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[20, 6, 40], Operations: ['63-23=40'] Exploring Operation: 40-20=20, Resulting Numbers: [6, 20] Generated Node #0,0,0: 10:[6, 20] Operation: 40-20=20 Exploring Operation: 40/20=2, Resulting Numbers: [6, 2] Generated Node #0,0,1: 10:[6, 2] Operation: 40/20=2 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 10:[6, 2], Operations: ['63-23=40', '40/20=2'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,10 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,10 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 #0,0,0 Current State: 10:[6, 20], Operations: ['63-23=40', '40-20=20'] Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,10 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,10 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: 10:[23, 6, 43], Operations: ['63-20=43'] Exploring Operation: 43-23=20, Resulting Numbers: [6, 20] Generated Node #0,1,0: 10:[6, 20] Operation: 43-23=20 Exploring Operation: 23-6=17, Resulting Numbers: [43, 17] Generated Node #0,1,1: 10:[43, 17] Operation: 23-6=17 Moving to Node #0,1,0 Current State: 10:[6, 20], Operations: ['63-20=43', '43-23=20'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[43, 17], Operations: ['63-20=43', '23-6=17'] Exploring Operation: 43+17=60, Resulting Numbers: [60] 60,10 unequal: No Solution Exploring Operation: 43-17=26, Resulting Numbers: [26] 26,10 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
[ 60, 21, 26, 4 ]
51
[ "60+21=81", "26+4=30", "81-30=51" ]
Current State: 51:[60, 21, 26, 4], Operations: [] Exploring Operation: 60+21=81, Resulting Numbers: [26, 4, 81] Generated Node #2: [26, 4, 81] from Operation: 60+21=81 Current State: 51:[26, 4, 81], Operations: ['60+21=81'] Exploring Operation: 26+4=30, Resulting Numbers: [81, 30] Generated Node #3: [81, 30] from Operation: 26+4=30 Current State: 51:[81, 30], Operations: ['60+21=81', '26+4=30'] Exploring Operation: 81-30=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[60, 21, 26, 4], Operations: [] Exploring Operation: 26-21=5, Resulting Numbers: [60, 4, 5] Generated Node #0,0: 51:[60, 4, 5] Operation: 26-21=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[60, 4, 5], Operations: ['26-21=5'] Exploring Operation: 60/4=15, Resulting Numbers: [5, 15] Generated Node #0,0,0: 51:[5, 15] Operation: 60/4=15 Moving to Node #0,0,0 Current State: 51:[5, 15], Operations: ['26-21=5', '60/4=15'] Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 32, 19, 59, 21 ]
67
[ "32-19=13", "59+21=80", "80-13=67" ]
Current State: 67:[32, 19, 59, 21], Operations: [] Exploring Operation: 32-19=13, Resulting Numbers: [59, 21, 13] Generated Node #2: [59, 21, 13] from Operation: 32-19=13 Current State: 67:[59, 21, 13], Operations: ['32-19=13'] Exploring Operation: 59+21=80, Resulting Numbers: [13, 80] Generated Node #3: [13, 80] from Operation: 59+21=80 Current State: 67:[13, 80], Operations: ['32-19=13', '59+21=80'] Exploring Operation: 80-13=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[32, 19, 59, 21], Operations: [] Exploring Operation: 19+21=40, Resulting Numbers: [32, 59, 40] Generated Node #0,0: 67:[32, 59, 40] Operation: 19+21=40 Exploring Operation: 19+59=78, Resulting Numbers: [32, 21, 78] Generated Node #0,1: 67:[32, 21, 78] Operation: 19+59=78 Exploring Operation: 32+19=51, Resulting Numbers: [59, 21, 51] Generated Node #0,2: 67:[59, 21, 51] Operation: 32+19=51 Exploring Operation: 32+21=53, Resulting Numbers: [19, 59, 53] Generated Node #0,3: 67:[19, 59, 53] Operation: 32+21=53 Moving to Node #0,0 Current State: 67:[32, 59, 40], Operations: ['19+21=40'] Exploring Operation: 59-32=27, Resulting Numbers: [40, 27] Generated Node #0,0,0: 67:[40, 27] Operation: 59-32=27 Exploring Operation: 32+40=72, Resulting Numbers: [59, 72] Generated Node #0,0,1: 67:[59, 72] Operation: 32+40=72 Exploring Operation: 40-32=8, Resulting Numbers: [59, 8] Generated Node #0,0,2: 67:[59, 8] Operation: 40-32=8 Exploring Operation: 32+59=91, Resulting Numbers: [40, 91] Generated Node #0,0,3: 67:[40, 91] Operation: 32+59=91 Moving to Node #0,3 Current State: 67:[19, 59, 53], Operations: ['32+21=53'] Exploring Operation: 19+59=78, Resulting Numbers: [53, 78] Generated Node #0,3,0: 67:[53, 78] Operation: 19+59=78 Exploring Operation: 59-19=40, Resulting Numbers: [53, 40] Generated Node #0,3,1: 67:[53, 40] Operation: 59-19=40 Exploring Operation: 53-19=34, Resulting Numbers: [59, 34] Generated Node #0,3,2: 67:[59, 34] Operation: 53-19=34 Exploring Operation: 19+53=72, Resulting Numbers: [59, 72] Generated Node #0,3,3: 67:[59, 72] Operation: 19+53=72 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 67:[59, 72], Operations: ['32+21=53', '19+53=72'] Exploring Operation: 72-59=13, Resulting Numbers: [13] 13,67 unequal: No Solution Exploring Operation: 59+72=131, Resulting Numbers: [131] 131,67 unequal: No Solution Exploring Operation: 59*72=4248, Resulting Numbers: [4248] 4248,67 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: 67:[53, 78], Operations: ['32+21=53', '19+59=78'] Exploring Operation: 53*78=4134, Resulting Numbers: [4134] 4134,67 unequal: No Solution Exploring Operation: 78-53=25, Resulting Numbers: [25] 25,67 unequal: No Solution Exploring Operation: 53+78=131, Resulting Numbers: [131] 131,67 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: 67:[53, 40], Operations: ['32+21=53', '59-19=40'] Exploring Operation: 53+40=93, Resulting Numbers: [93] 93,67 unequal: No Solution Exploring Operation: 53-40=13, Resulting Numbers: [13] 13,67 unequal: No Solution Exploring Operation: 53*40=2120, Resulting Numbers: [2120] 2120,67 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: 67:[59, 34], Operations: ['32+21=53', '53-19=34'] Exploring Operation: 59*34=2006, Resulting Numbers: [2006] 2006,67 unequal: No Solution Exploring Operation: 59+34=93, Resulting Numbers: [93] 93,67 unequal: No Solution Exploring Operation: 59-34=25, Resulting Numbers: [25] 25,67 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: 67:[59, 21, 51], Operations: ['32+19=51'] Exploring Operation: 59-21=38, Resulting Numbers: [51, 38] Generated Node #0,2,0: 67:[51, 38] Operation: 59-21=38 Exploring Operation: 21+51=72, Resulting Numbers: [59, 72] Generated Node #0,2,1: 67:[59, 72] Operation: 21+51=72 Exploring Operation: 51-21=30, Resulting Numbers: [59, 30] Generated Node #0,2,2: 67:[59, 30] Operation: 51-21=30 Exploring Operation: 59+21=80, Resulting Numbers: [51, 80] Generated Node #0,2,3: 67:[51, 80] Operation: 59+21=80 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 67:[59, 72], Operations: ['32+19=51', '21+51=72'] Exploring Operation: 59+72=131, Resulting Numbers: [131] 131,67 unequal: No Solution Exploring Operation: 72-59=13, Resulting Numbers: [13] 13,67 unequal: No Solution Exploring Operation: 59*72=4248, Resulting Numbers: [4248] 4248,67 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: 67:[51, 80], Operations: ['32+19=51', '59+21=80'] Exploring Operation: 51+80=131, Resulting Numbers: [131] 131,67 unequal: No Solution Exploring Operation: 80-51=29, Resulting Numbers: [29] 29,67 unequal: No Solution Exploring Operation: 51*80=4080, Resulting Numbers: [4080] 4080,67 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: 67:[51, 38], Operations: ['32+19=51', '59-21=38'] Exploring Operation: 51+38=89, Resulting Numbers: [89] 89,67 unequal: No Solution Exploring Operation: 51-38=13, Resulting Numbers: [13] 13,67 unequal: No Solution Exploring Operation: 51*38=1938, Resulting Numbers: [1938] 1938,67 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: 67:[59, 30], Operations: ['32+19=51', '51-21=30'] Exploring Operation: 59+30=89, Resulting Numbers: [89] 89,67 unequal: No Solution Exploring Operation: 59*30=1770, Resulting Numbers: [1770] 1770,67 unequal: No Solution Exploring Operation: 59-30=29, Resulting Numbers: [29] 29,67 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: 67:[32, 21, 78], Operations: ['19+59=78'] Exploring Operation: 32-21=11, Resulting Numbers: [78, 11] Generated Node #0,1,0: 67:[78, 11] Operation: 32-21=11 Exploring Operation: 78-32=46, Resulting Numbers: [21, 46] Generated Node #0,1,1: 67:[21, 46] Operation: 78-32=46 Exploring Operation: 32+21=53, Resulting Numbers: [78, 53] Generated Node #0,1,2: 67:[78, 53] Operation: 32+21=53 Exploring Operation: 78-21=57, Resulting Numbers: [32, 57] Generated Node #0,1,3: 67:[32, 57] Operation: 78-21=57 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 67:[78, 53], Operations: ['19+59=78', '32+21=53'] Exploring Operation: 78-53=25, Resulting Numbers: [25] 25,67 unequal: No Solution Exploring Operation: 78+53=131, Resulting Numbers: [131] 131,67 unequal: No Solution Exploring Operation: 78*53=4134, Resulting Numbers: [4134] 4134,67 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: 67:[32, 57], Operations: ['19+59=78', '78-21=57'] Exploring Operation: 57-32=25, Resulting Numbers: [25] 25,67 unequal: No Solution Exploring Operation: 32*57=1824, Resulting Numbers: [1824] 1824,67 unequal: No Solution Exploring Operation: 32+57=89, Resulting Numbers: [89] 89,67 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: 67:[78, 11], Operations: ['19+59=78', '32-21=11'] Exploring Operation: 78*11=858, Resulting Numbers: [858] 858,67 unequal: No Solution Exploring Operation: 78-11=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[32, 19, 59, 21], Operations: [] Exploring Operation: 19+59=78, Resulting Numbers: [32, 21, 78] Generated Node #0,1: 67:[32, 21, 78] Operation: 19+59=78 Moving to Node #0,1 Current State: 67:[32, 21, 78], Operations: ['19+59=78'] Exploring Operation: 32-21=11, Resulting Numbers: [78, 11] Generated Node #0,1,0: 67:[78, 11] Operation: 32-21=11 Moving to Node #0,1,0 Current State: 67:[78, 11], Operations: ['19+59=78', '32-21=11'] Exploring Operation: 78-11=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.951389
hs_4
mult_heuristic
[ 39, 25, 71, 44 ]
59
[ "39*44=1716", "25*71=1775", "1775-1716=59" ]
Current State: 59:[39, 25, 71, 44], Operations: [] Exploring Operation: 39*44=1716, Resulting Numbers: [25, 71, 1716] Generated Node #2: [25, 71, 1716] from Operation: 39*44=1716 Current State: 59:[25, 71, 1716], Operations: ['39*44=1716'] Exploring Operation: 25*71=1775, Resulting Numbers: [1716, 1775] Generated Node #3: [1716, 1775] from Operation: 25*71=1775 Current State: 59:[1716, 1775], Operations: ['39*44=1716', '25*71=1775'] Exploring Operation: 1775-1716=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[39, 25, 71, 44], Operations: [] Exploring Operation: 71-25=46, Resulting Numbers: [39, 44, 46] Generated Node #0,0: 59:[39, 44, 46] Operation: 71-25=46 Exploring Operation: 39+25=64, Resulting Numbers: [71, 44, 64] Generated Node #0,1: 59:[71, 44, 64] Operation: 39+25=64 Exploring Operation: 25+44=69, Resulting Numbers: [39, 71, 69] Generated Node #0,2: 59:[39, 71, 69] Operation: 25+44=69 Exploring Operation: 39-25=14, Resulting Numbers: [71, 44, 14] Generated Node #0,3: 59:[71, 44, 14] Operation: 39-25=14 Exploring Operation: 39+44=83, Resulting Numbers: [25, 71, 83] Generated Node #0,4: 59:[25, 71, 83] Operation: 39+44=83 Moving to Node #0,1 Current State: 59:[71, 44, 64], Operations: ['39+25=64'] Exploring Operation: 71-64=7, Resulting Numbers: [44, 7] Generated Node #0,1,0: 59:[44, 7] Operation: 71-64=7 Exploring Operation: 64-44=20, Resulting Numbers: [71, 20] Generated Node #0,1,1: 59:[71, 20] Operation: 64-44=20 Exploring Operation: 71+44=115, Resulting Numbers: [64, 115] Generated Node #0,1,2: 59:[64, 115] Operation: 71+44=115 Exploring Operation: 44+64=108, Resulting Numbers: [71, 108] Generated Node #0,1,3: 59:[71, 108] Operation: 44+64=108 Exploring Operation: 71-44=27, Resulting Numbers: [64, 27] Generated Node #0,1,4: 59:[64, 27] Operation: 71-44=27 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 59:[64, 27], Operations: ['39+25=64', '71-44=27'] Exploring Operation: 64*27=1728, Resulting Numbers: [1728] 1728,59 unequal: No Solution Exploring Operation: 64+27=91, Resulting Numbers: [91] 91,59 unequal: No Solution Exploring Operation: 64-27=37, Resulting Numbers: [37] 37,59 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: 59:[71, 20], Operations: ['39+25=64', '64-44=20'] Exploring Operation: 71-20=51, Resulting Numbers: [51] 51,59 unequal: No Solution Exploring Operation: 71*20=1420, Resulting Numbers: [1420] 1420,59 unequal: No Solution Exploring Operation: 71+20=91, Resulting Numbers: [91] 91,59 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: 59:[64, 115], Operations: ['39+25=64', '71+44=115'] Exploring Operation: 115-64=51, Resulting Numbers: [51] 51,59 unequal: No Solution Exploring Operation: 64+115=179, Resulting Numbers: [179] 179,59 unequal: No Solution Exploring Operation: 64*115=7360, Resulting Numbers: [7360] 7360,59 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: 59:[71, 108], Operations: ['39+25=64', '44+64=108'] Exploring Operation: 71+108=179, Resulting Numbers: [179] 179,59 unequal: No Solution Exploring Operation: 71*108=7668, Resulting Numbers: [7668] 7668,59 unequal: No Solution Exploring Operation: 108-71=37, Resulting Numbers: [37] 37,59 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: 59:[44, 7], Operations: ['39+25=64', '71-64=7'] Exploring Operation: 44*7=308, Resulting Numbers: [308] 308,59 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,59 unequal: No Solution Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,59 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: 59:[39, 71, 69], Operations: ['25+44=69'] Exploring Operation: 71-39=32, Resulting Numbers: [69, 32] Generated Node #0,2,0: 59:[69, 32] Operation: 71-39=32 Exploring Operation: 39+69=108, Resulting Numbers: [71, 108] Generated Node #0,2,1: 59:[71, 108] Operation: 39+69=108 Exploring Operation: 71-69=2, Resulting Numbers: [39, 2] Generated Node #0,2,2: 59:[39, 2] Operation: 71-69=2 Exploring Operation: 39+71=110, Resulting Numbers: [69, 110] Generated Node #0,2,3: 59:[69, 110] Operation: 39+71=110 Exploring Operation: 69-39=30, Resulting Numbers: [71, 30] Generated Node #0,2,4: 59:[71, 30] Operation: 69-39=30 Moving to Node #0,0 Current State: 59:[39, 44, 46], Operations: ['71-25=46'] Exploring Operation: 39+44=83, Resulting Numbers: [46, 83] Generated Node #0,0,0: 59:[46, 83] Operation: 39+44=83 Exploring Operation: 46-39=7, Resulting Numbers: [44, 7] Generated Node #0,0,1: 59:[44, 7] Operation: 46-39=7 Exploring Operation: 39+46=85, Resulting Numbers: [44, 85] Generated Node #0,0,2: 59:[44, 85] Operation: 39+46=85 Exploring Operation: 44-39=5, Resulting Numbers: [46, 5] Generated Node #0,0,3: 59:[46, 5] Operation: 44-39=5 Exploring Operation: 44+46=90, Resulting Numbers: [39, 90] Generated Node #0,0,4: 59:[39, 90] Operation: 44+46=90 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[46, 83], Operations: ['71-25=46', '39+44=83'] Exploring Operation: 46+83=129, Resulting Numbers: [129] 129,59 unequal: No Solution Exploring Operation: 46*83=3818, Resulting Numbers: [3818] 3818,59 unequal: No Solution Exploring Operation: 83-46=37, Resulting Numbers: [37] 37,59 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: 59:[44, 85], Operations: ['71-25=46', '39+46=85'] Exploring Operation: 85-44=41, Resulting Numbers: [41] 41,59 unequal: No Solution Exploring Operation: 44*85=3740, Resulting Numbers: [3740] 3740,59 unequal: No Solution Exploring Operation: 44+85=129, Resulting Numbers: [129] 129,59 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: 59:[39, 90], Operations: ['71-25=46', '44+46=90'] Exploring Operation: 90-39=51, Resulting Numbers: [51] 51,59 unequal: No Solution Exploring Operation: 39+90=129, Resulting Numbers: [129] 129,59 unequal: No Solution Exploring Operation: 39*90=3510, Resulting Numbers: [3510] 3510,59 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: 59:[44, 7], Operations: ['71-25=46', '46-39=7'] Exploring Operation: 44*7=308, Resulting Numbers: [308] 308,59 unequal: No Solution Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,59 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,59 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: 59:[46, 5], Operations: ['71-25=46', '44-39=5'] Exploring Operation: 46*5=230, Resulting Numbers: [230] 230,59 unequal: No Solution Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,59 unequal: No Solution Exploring Operation: 46+5=51, Resulting Numbers: [51] 51,59 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: 59:[25, 71, 83], Operations: ['39+44=83'] Exploring Operation: 25+71=96, Resulting Numbers: [83, 96] Generated Node #0,4,0: 59:[83, 96] Operation: 25+71=96 Exploring Operation: 25+83=108, Resulting Numbers: [71, 108] Generated Node #0,4,1: 59:[71, 108] Operation: 25+83=108 Exploring Operation: 83-71=12, Resulting Numbers: [25, 12] Generated Node #0,4,2: 59:[25, 12] Operation: 83-71=12 Exploring Operation: 71-25=46, Resulting Numbers: [83, 46] Generated Node #0,4,3: 59:[83, 46] Operation: 71-25=46 Exploring Operation: 83-25=58, Resulting Numbers: [71, 58] Generated Node #0,4,4: 59:[71, 58] Operation: 83-25=58 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 59:[71, 58], Operations: ['39+44=83', '83-25=58'] Exploring Operation: 71+58=129, Resulting Numbers: [129] 129,59 unequal: No Solution Exploring Operation: 71*58=4118, Resulting Numbers: [4118] 4118,59 unequal: No Solution Exploring Operation: 71-58=13, Resulting Numbers: [13] 13,59 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: 59:[83, 46], Operations: ['39+44=83', '71-25=46'] Exploring Operation: 83*46=3818, Resulting Numbers: [3818] 3818,59 unequal: No Solution Exploring Operation: 83-46=37, Resulting Numbers: [37] 37,59 unequal: No Solution Exploring Operation: 83+46=129, Resulting Numbers: [129] 129,59 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: 59:[83, 96], Operations: ['39+44=83', '25+71=96'] Exploring Operation: 83*96=7968, Resulting Numbers: [7968] 7968,59 unequal: No Solution Exploring Operation: 96-83=13, Resulting Numbers: [13] 13,59 unequal: No Solution Exploring Operation: 83+96=179, Resulting Numbers: [179] 179,59 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: 59:[71, 108], Operations: ['39+44=83', '25+83=108'] Exploring Operation: 108-71=37, Resulting Numbers: [37] 37,59 unequal: No Solution Exploring Operation: 71+108=179, Resulting Numbers: [179] 179,59 unequal: No Solution Exploring Operation: 71*108=7668, Resulting Numbers: [7668] 7668,59 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: 59:[25, 12], Operations: ['39+44=83', '83-71=12'] Exploring Operation: 25+12=37, Resulting Numbers: [37] 37,59 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,59 unequal: No Solution Exploring Operation: 25*12=300, Resulting Numbers: [300] 300,59 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: 59:[71, 44, 14], Operations: ['39-25=14'] Exploring Operation: 44-14=30, Resulting Numbers: [71, 30] Generated Node #0,3,0: 59:[71, 30] Operation: 44-14=30 Exploring Operation: 71+14=85, Resulting Numbers: [44, 85] Generated Node #0,3,1: 59:[44, 85] Operation: 71+14=85 Exploring Operation: 71-44=27, Resulting Numbers: [14, 27] Generated Node #0,3,2: 59:[14, 27] Operation: 71-44=27 Exploring Operation: 71-14=57, Resulting Numbers: [44, 57] Generated Node #0,3,3: 59:[44, 57] Operation: 71-14=57 Exploring Operation: 44+14=58, Resulting Numbers: [71, 58] Generated Node #0,3,4: 59:[71, 58] Operation: 44+14=58 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 59:[71, 58], Operations: ['39-25=14', '44+14=58'] Exploring Operation: 71-58=13, Resulting Numbers: [13] 13,59 unequal: No Solution Exploring Operation: 71+58=129, Resulting Numbers: [129] 129,59 unequal: No Solution Exploring Operation: 71*58=4118, Resulting Numbers: [4118] 4118,59 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: 59:[44, 57], Operations: ['39-25=14', '71-14=57'] Exploring Operation: 44+57=101, Resulting Numbers: [101] 101,59 unequal: No Solution Exploring Operation: 44*57=2508, Resulting Numbers: [2508] 2508,59 unequal: No Solution Exploring Operation: 57-44=13, Resulting Numbers: [13] 13,59 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: 59:[71, 30], Operations: ['39-25=14', '44-14=30'] Exploring Operation: 71-30=41, Resulting Numbers: [41] 41,59 unequal: No Solution Exploring Operation: 71*30=2130, Resulting Numbers: [2130] 2130,59 unequal: No Solution Exploring Operation: 71+30=101, Resulting Numbers: [101] 101,59 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: 59:[44, 85], Operations: ['39-25=14', '71+14=85'] Exploring Operation: 44*85=3740, Resulting Numbers: [3740] 3740,59 unequal: No Solution Exploring Operation: 85-44=41, Resulting Numbers: [41] 41,59 unequal: No Solution Exploring Operation: 44+85=129, Resulting Numbers: [129] 129,59 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: 59:[14, 27], Operations: ['39-25=14', '71-44=27'] Exploring Operation: 14*27=378, Resulting Numbers: [378] 378,59 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,59 unequal: No Solution Exploring Operation: 14+27=41, Resulting Numbers: [41] 41,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 59:[69, 32], Operations: ['25+44=69', '71-39=32'] Exploring Operation: 69-32=37, Resulting Numbers: [37] 37,59 unequal: No Solution Exploring Operation: 69*32=2208, Resulting Numbers: [2208] 2208,59 unequal: No Solution Exploring Operation: 69+32=101, Resulting Numbers: [101] 101,59 unequal: No Solution Moving to Node #0,2,4 Current State: 59:[71, 30], Operations: ['25+44=69', '69-39=30'] Exploring Operation: 71+30=101, Resulting Numbers: [101] 101,59 unequal: No Solution Exploring Operation: 71*30=2130, Resulting Numbers: [2130] 2130,59 unequal: No Solution Exploring Operation: 71-30=41, Resulting Numbers: [41] 41,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[71, 108], Operations: ['25+44=69', '39+69=108'] Exploring Operation: 71*108=7668, Resulting Numbers: [7668] 7668,59 unequal: No Solution Exploring Operation: 71+108=179, Resulting Numbers: [179] 179,59 unequal: No Solution Exploring Operation: 108-71=37, Resulting Numbers: [37] 37,59 unequal: No Solution Moving to Node #0,2,3 Current State: 59:[69, 110], Operations: ['25+44=69', '39+71=110'] Exploring Operation: 69*110=7590, Resulting Numbers: [7590] 7590,59 unequal: No Solution Exploring Operation: 69+110=179, Resulting Numbers: [179] 179,59 unequal: No Solution Exploring Operation: 110-69=41, Resulting Numbers: [41] 41,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[39, 2], Operations: ['25+44=69', '71-69=2'] Exploring Operation: 39*2=78, Resulting Numbers: [78] 78,59 unequal: No Solution Exploring Operation: 39+2=41, Resulting Numbers: [41] 41,59 unequal: No Solution Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,59 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 28, 33, 27, 55 ]
88
[ "28-27=1", "33+55=88", "1*88=88" ]
Current State: 88:[28, 33, 27, 55], Operations: [] Exploring Operation: 28-27=1, Resulting Numbers: [33, 55, 1] Generated Node #2: [33, 55, 1] from Operation: 28-27=1 Current State: 88:[33, 55, 1], Operations: ['28-27=1'] Exploring Operation: 33+55=88, Resulting Numbers: [1, 88] Generated Node #3: [1, 88] from Operation: 33+55=88 Current State: 88:[1, 88], Operations: ['28-27=1', '33+55=88'] Exploring Operation: 1*88=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[28, 33, 27, 55], Operations: [] Exploring Operation: 55-33=22, Resulting Numbers: [28, 27, 22] Generated Node #0,0: 88:[28, 27, 22] Operation: 55-33=22 Exploring Operation: 33-28=5, Resulting Numbers: [27, 55, 5] Generated Node #0,1: 88:[27, 55, 5] Operation: 33-28=5 Exploring Operation: 33-27=6, Resulting Numbers: [28, 55, 6] Generated Node #0,2: 88:[28, 55, 6] Operation: 33-27=6 Exploring Operation: 33+55=88, Resulting Numbers: [28, 27, 88] Generated Node #0,3: 88:[28, 27, 88] Operation: 33+55=88 Moving to Node #0,0 Current State: 88:[28, 27, 22], Operations: ['55-33=22'] Exploring Operation: 28+27=55, Resulting Numbers: [22, 55] Generated Node #0,0,0: 88:[22, 55] Operation: 28+27=55 Exploring Operation: 28-22=6, Resulting Numbers: [27, 6] Generated Node #0,0,1: 88:[27, 6] Operation: 28-22=6 Exploring Operation: 28-27=1, Resulting Numbers: [22, 1] Generated Node #0,0,2: 88:[22, 1] Operation: 28-27=1 Exploring Operation: 27-22=5, Resulting Numbers: [28, 5] Generated Node #0,0,3: 88:[28, 5] Operation: 27-22=5 Moving to Node #0,3 Current State: 88:[28, 27, 88], Operations: ['33+55=88'] Exploring Operation: 88-27=61, Resulting Numbers: [28, 61] Generated Node #0,3,0: 88:[28, 61] Operation: 88-27=61 Exploring Operation: 88-28=60, Resulting Numbers: [27, 60] Generated Node #0,3,1: 88:[27, 60] Operation: 88-28=60 Exploring Operation: 28+27=55, Resulting Numbers: [88, 55] Generated Node #0,3,2: 88:[88, 55] Operation: 28+27=55 Exploring Operation: 28-27=1, Resulting Numbers: [88, 1] Generated Node #0,3,3: 88:[88, 1] Operation: 28-27=1 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 88:[88, 1], Operations: ['33+55=88', '28-27=1'] Exploring Operation: 88+1=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 88*1=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[28, 33, 27, 55], Operations: [] Exploring Operation: 33+55=88, Resulting Numbers: [28, 27, 88] Generated Node #0,3: 88:[28, 27, 88] Operation: 33+55=88 Moving to Node #0,3 Current State: 88:[28, 27, 88], Operations: ['33+55=88'] Exploring Operation: 28-27=1, Resulting Numbers: [88, 1] Generated Node #0,3,3: 88:[88, 1] Operation: 28-27=1 Moving to Node #0,3,3 Current State: 88:[88, 1], Operations: ['33+55=88', '28-27=1'] Exploring Operation: 88*1=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 58, 2, 1, 41 ]
71
[ "58/2=29", "1+41=42", "29+42=71" ]
Current State: 71:[58, 2, 1, 41], Operations: [] Exploring Operation: 58/2=29, Resulting Numbers: [1, 41, 29] Generated Node #2: [1, 41, 29] from Operation: 58/2=29 Current State: 71:[1, 41, 29], Operations: ['58/2=29'] Exploring Operation: 1+41=42, Resulting Numbers: [29, 42] Generated Node #3: [29, 42] from Operation: 1+41=42 Current State: 71:[29, 42], Operations: ['58/2=29', '1+41=42'] Exploring Operation: 29+42=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[58, 2, 1, 41], Operations: [] Exploring Operation: 2*41=82, Resulting Numbers: [58, 1, 82] Generated Node #0,0: 71:[58, 1, 82] Operation: 2*41=82 Exploring Operation: 2+1=3, Resulting Numbers: [58, 41, 3] Generated Node #0,1: 71:[58, 41, 3] Operation: 2+1=3 Exploring Operation: 58+2=60, Resulting Numbers: [1, 41, 60] Generated Node #0,2: 71:[1, 41, 60] Operation: 58+2=60 Exploring Operation: 58+1=59, Resulting Numbers: [2, 41, 59] Generated Node #0,3: 71:[2, 41, 59] Operation: 58+1=59 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[58, 1, 82], Operations: ['2*41=82'] Exploring Operation: 58+1=59, Resulting Numbers: [82, 59] Generated Node #0,0,0: 71:[82, 59] Operation: 58+1=59 Exploring Operation: 82-1=81, Resulting Numbers: [58, 81] Generated Node #0,0,1: 71:[58, 81] Operation: 82-1=81 Exploring Operation: 58/1=58, Resulting Numbers: [82, 58] Generated Node #0,0,2: 71:[82, 58] Operation: 58/1=58 Exploring Operation: 58*1=58, Resulting Numbers: [82, 58] Generated Node #0,0,3: 71:[82, 58] Operation: 58*1=58 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[82, 59], Operations: ['2*41=82', '58+1=59'] Exploring Operation: 82*59=4838, Resulting Numbers: [4838] 4838,71 unequal: No Solution Exploring Operation: 82+59=141, Resulting Numbers: [141] 141,71 unequal: No Solution Exploring Operation: 82-59=23, Resulting Numbers: [23] 23,71 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: 71:[58, 81], Operations: ['2*41=82', '82-1=81'] Exploring Operation: 58*81=4698, Resulting Numbers: [4698] 4698,71 unequal: No Solution Exploring Operation: 58+81=139, Resulting Numbers: [139] 139,71 unequal: No Solution Exploring Operation: 81-58=23, Resulting Numbers: [23] 23,71 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: 71:[82, 58], Operations: ['2*41=82', '58/1=58'] Exploring Operation: 82*58=4756, Resulting Numbers: [4756] 4756,71 unequal: No Solution Exploring Operation: 82-58=24, Resulting Numbers: [24] 24,71 unequal: No Solution Exploring Operation: 82+58=140, Resulting Numbers: [140] 140,71 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: 71:[82, 58], Operations: ['2*41=82', '58*1=58'] Exploring Operation: 82*58=4756, Resulting Numbers: [4756] 4756,71 unequal: No Solution Exploring Operation: 82-58=24, Resulting Numbers: [24] 24,71 unequal: No Solution Exploring Operation: 82+58=140, Resulting Numbers: [140] 140,71 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: 71:[58, 41, 3], Operations: ['2+1=3'] Exploring Operation: 58+3=61, Resulting Numbers: [41, 61] Generated Node #0,1,0: 71:[41, 61] Operation: 58+3=61 Exploring Operation: 41+3=44, Resulting Numbers: [58, 44] Generated Node #0,1,1: 71:[58, 44] Operation: 41+3=44 Exploring Operation: 58-3=55, Resulting Numbers: [41, 55] Generated Node #0,1,2: 71:[41, 55] Operation: 58-3=55 Exploring Operation: 41-3=38, Resulting Numbers: [58, 38] Generated Node #0,1,3: 71:[58, 38] Operation: 41-3=38 Moving to Node #0,1,0 Current State: 71:[41, 61], Operations: ['2+1=3', '58+3=61'] Exploring Operation: 41+61=102, Resulting Numbers: [102] 102,71 unequal: No Solution Exploring Operation: 61-41=20, Resulting Numbers: [20] 20,71 unequal: No Solution Exploring Operation: 41*61=2501, Resulting Numbers: [2501] 2501,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[58, 44], Operations: ['2+1=3', '41+3=44'] Exploring Operation: 58*44=2552, Resulting Numbers: [2552] 2552,71 unequal: No Solution Exploring Operation: 58+44=102, Resulting Numbers: [102] 102,71 unequal: No Solution Exploring Operation: 58-44=14, Resulting Numbers: [14] 14,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[58, 38], Operations: ['2+1=3', '41-3=38'] Exploring Operation: 58-38=20, Resulting Numbers: [20] 20,71 unequal: No Solution Exploring Operation: 58+38=96, Resulting Numbers: [96] 96,71 unequal: No Solution Exploring Operation: 58*38=2204, Resulting Numbers: [2204] 2204,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[41, 55], Operations: ['2+1=3', '58-3=55'] Exploring Operation: 55-41=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 41+55=96, Resulting Numbers: [96] 96,71 unequal: No Solution Exploring Operation: 41*55=2255, Resulting Numbers: [2255] 2255,71 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 #0,2 Current State: 71:[1, 41, 60], Operations: ['58+2=60'] Exploring Operation: 41/1=41, Resulting Numbers: [60, 41] Generated Node #0,2,0: 71:[60, 41] Operation: 41/1=41 Exploring Operation: 1*41=41, Resulting Numbers: [60, 41] Generated Node #0,2,1: 71:[60, 41] Operation: 1*41=41 Exploring Operation: 1+41=42, Resulting Numbers: [60, 42] Generated Node #0,2,2: 71:[60, 42] Operation: 1+41=42 Exploring Operation: 1+60=61, Resulting Numbers: [41, 61] Generated Node #0,2,3: 71:[41, 61] Operation: 1+60=61 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 71:[60, 42], Operations: ['58+2=60', '1+41=42'] Exploring Operation: 60*42=2520, Resulting Numbers: [2520] 2520,71 unequal: No Solution Exploring Operation: 60+42=102, Resulting Numbers: [102] 102,71 unequal: No Solution Exploring Operation: 60-42=18, Resulting Numbers: [18] 18,71 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: 71:[41, 61], Operations: ['58+2=60', '1+60=61'] Exploring Operation: 41+61=102, Resulting Numbers: [102] 102,71 unequal: No Solution Exploring Operation: 61-41=20, Resulting Numbers: [20] 20,71 unequal: No Solution Exploring Operation: 41*61=2501, Resulting Numbers: [2501] 2501,71 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: 71:[60, 41], Operations: ['58+2=60', '41/1=41'] Exploring Operation: 60*41=2460, Resulting Numbers: [2460] 2460,71 unequal: No Solution Exploring Operation: 60+41=101, Resulting Numbers: [101] 101,71 unequal: No Solution Exploring Operation: 60-41=19, Resulting Numbers: [19] 19,71 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: 71:[60, 41], Operations: ['58+2=60', '1*41=41'] Exploring Operation: 60*41=2460, Resulting Numbers: [2460] 2460,71 unequal: No Solution Exploring Operation: 60-41=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 60+41=101, Resulting Numbers: [101] 101,71 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: 71:[2, 41, 59], Operations: ['58+1=59'] Exploring Operation: 41-2=39, Resulting Numbers: [59, 39] Generated Node #0,3,0: 71:[59, 39] Operation: 41-2=39 Exploring Operation: 2+41=43, Resulting Numbers: [59, 43] Generated Node #0,3,1: 71:[59, 43] Operation: 2+41=43 Exploring Operation: 2+59=61, Resulting Numbers: [41, 61] Generated Node #0,3,2: 71:[41, 61] Operation: 2+59=61 Exploring Operation: 2*41=82, Resulting Numbers: [59, 82] Generated Node #0,3,3: 71:[59, 82] Operation: 2*41=82 Moving to Node #0,3,3 Current State: 71:[59, 82], Operations: ['58+1=59', '2*41=82'] Exploring Operation: 59+82=141, Resulting Numbers: [141] 141,71 unequal: No Solution Exploring Operation: 59*82=4838, Resulting Numbers: [4838] 4838,71 unequal: No Solution Exploring Operation: 82-59=23, Resulting Numbers: [23] 23,71 unequal: No Solution Moving to Node #0,3,2 Current State: 71:[41, 61], Operations: ['58+1=59', '2+59=61'] Exploring Operation: 61-41=20, Resulting Numbers: [20] 20,71 unequal: No Solution Exploring Operation: 41+61=102, Resulting Numbers: [102] 102,71 unequal: No Solution Exploring Operation: 41*61=2501, Resulting Numbers: [2501] 2501,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[59, 43], Operations: ['58+1=59', '2+41=43'] Exploring Operation: 59+43=102, Resulting Numbers: [102] 102,71 unequal: No Solution Exploring Operation: 59-43=16, Resulting Numbers: [16] 16,71 unequal: No Solution Exploring Operation: 59*43=2537, Resulting Numbers: [2537] 2537,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[59, 39], Operations: ['58+1=59', '41-2=39'] Exploring Operation: 59+39=98, Resulting Numbers: [98] 98,71 unequal: No Solution Exploring Operation: 59-39=20, Resulting Numbers: [20] 20,71 unequal: No Solution Exploring Operation: 59*39=2301, Resulting Numbers: [2301] 2301,71 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
[ 77, 35, 21, 3 ]
94
[ "77+35=112", "21-3=18", "112-18=94" ]
Current State: 94:[77, 35, 21, 3], Operations: [] Exploring Operation: 77+35=112, Resulting Numbers: [21, 3, 112] Generated Node #2: [21, 3, 112] from Operation: 77+35=112 Current State: 94:[21, 3, 112], Operations: ['77+35=112'] Exploring Operation: 21-3=18, Resulting Numbers: [112, 18] Generated Node #3: [112, 18] from Operation: 21-3=18 Current State: 94:[112, 18], Operations: ['77+35=112', '21-3=18'] Exploring Operation: 112-18=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[77, 35, 21, 3], Operations: [] Exploring Operation: 77+21=98, Resulting Numbers: [35, 3, 98] Generated Node #0,0: 94:[35, 3, 98] Operation: 77+21=98 Exploring Operation: 77-21=56, Resulting Numbers: [35, 3, 56] Generated Node #0,1: 94:[35, 3, 56] Operation: 77-21=56 Exploring Operation: 77-35=42, Resulting Numbers: [21, 3, 42] Generated Node #0,2: 94:[21, 3, 42] Operation: 77-35=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[35, 3, 98], Operations: ['77+21=98'] Exploring Operation: 35*3=105, Resulting Numbers: [98, 105] Generated Node #0,0,0: 94:[98, 105] Operation: 35*3=105 Exploring Operation: 35+3=38, Resulting Numbers: [98, 38] Generated Node #0,0,1: 94:[98, 38] Operation: 35+3=38 Exploring Operation: 98-3=95, Resulting Numbers: [35, 95] Generated Node #0,0,2: 94:[35, 95] Operation: 98-3=95 Moving to Node #0,0,1 Current State: 94:[98, 38], Operations: ['77+21=98', '35+3=38'] Exploring Operation: 98-38=60, Resulting Numbers: [60] 60,94 unequal: No Solution Exploring Operation: 98*38=3724, Resulting Numbers: [3724] 3724,94 unequal: No Solution Exploring Operation: 98+38=136, Resulting Numbers: [136] 136,94 unequal: No Solution Moving to Node #0,0,2 Current State: 94:[35, 95], Operations: ['77+21=98', '98-3=95'] Exploring Operation: 95-35=60, Resulting Numbers: [60] 60,94 unequal: No Solution Exploring Operation: 35+95=130, Resulting Numbers: [130] 130,94 unequal: No Solution Exploring Operation: 35*95=3325, Resulting Numbers: [3325] 3325,94 unequal: No Solution Moving to Node #0,0,0 Current State: 94:[98, 105], Operations: ['77+21=98', '35*3=105'] Exploring Operation: 98+105=203, Resulting Numbers: [203] 203,94 unequal: No Solution Exploring Operation: 105-98=7, Resulting Numbers: [7] 7,94 unequal: No Solution Exploring Operation: 98*105=10290, Resulting Numbers: [10290] 10290,94 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: 94:[35, 3, 56], Operations: ['77-21=56'] Exploring Operation: 56-3=53, Resulting Numbers: [35, 53] Generated Node #0,1,0: 94:[35, 53] Operation: 56-3=53 Exploring Operation: 35+56=91, Resulting Numbers: [3, 91] Generated Node #0,1,1: 94:[3, 91] Operation: 35+56=91 Exploring Operation: 35+3=38, Resulting Numbers: [56, 38] Generated Node #0,1,2: 94:[56, 38] Operation: 35+3=38 Moving to Node #0,1,1 Current State: 94:[3, 91], Operations: ['77-21=56', '35+56=91'] Exploring Operation: 3+91=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[77, 35, 21, 3], Operations: [] Exploring Operation: 77-21=56, Resulting Numbers: [35, 3, 56] Generated Node #0,1: 94:[35, 3, 56] Operation: 77-21=56 Moving to Node #0,1 Current State: 94:[35, 3, 56], Operations: ['77-21=56'] Exploring Operation: 35+56=91, Resulting Numbers: [3, 91] Generated Node #0,1,1: 94:[3, 91] Operation: 35+56=91 Moving to Node #0,1,1 Current State: 94:[3, 91], Operations: ['77-21=56', '35+56=91'] Exploring Operation: 3+91=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 19, 21, 13, 21 ]
68
[ "21-19=2", "13+21=34", "2*34=68" ]
Current State: 68:[19, 21, 13, 21], Operations: [] Exploring Operation: 21-19=2, Resulting Numbers: [13, 2] Generated Node #2: [13, 2] from Operation: 21-19=2 Current State: 68:[13, 2], Operations: ['21-19=2'] Exploring Operation: 13+21=34, Resulting Numbers: [2, 34] Generated Node #3: [2, 34] from Operation: 13+21=34 Current State: 68:[2, 34], Operations: ['21-19=2', '13+21=34'] Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[19, 21, 13, 21], Operations: [] Exploring Operation: 21+13=34, Resulting Numbers: [19, 21, 34] Generated Node #0,0: 68:[19, 21, 34] Operation: 21+13=34 Exploring Operation: 21/21=1, Resulting Numbers: [19, 13, 1] Generated Node #0,1: 68:[19, 13, 1] Operation: 21/21=1 Exploring Operation: 21-19=2, Resulting Numbers: [13, 21, 2] Generated Node #0,2: 68:[13, 21, 2] Operation: 21-19=2 Exploring Operation: 13+21=34, Resulting Numbers: [19, 21, 34] Generated Node #0,3: 68:[19, 21, 34] Operation: 13+21=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[19, 21, 34], Operations: ['21+13=34'] Exploring Operation: 34-21=13, Resulting Numbers: [19, 13] Generated Node #0,0,0: 68:[19, 13] Operation: 34-21=13 Exploring Operation: 19+21=40, Resulting Numbers: [34, 40] Generated Node #0,0,1: 68:[34, 40] Operation: 19+21=40 Exploring Operation: 21-19=2, Resulting Numbers: [34, 2] Generated Node #0,0,2: 68:[34, 2] Operation: 21-19=2 Exploring Operation: 34-19=15, Resulting Numbers: [21, 15] Generated Node #0,0,3: 68:[21, 15] Operation: 34-19=15 Moving to Node #0,0,2 Current State: 68:[34, 2], Operations: ['21+13=34', '21-19=2'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,68 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,68 unequal: No Solution Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,68 unequal: No Solution Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[19, 21, 13, 21], Operations: [] Exploring Operation: 21+13=34, Resulting Numbers: [19, 21, 34] Generated Node #0,0: 68:[19, 21, 34] Operation: 21+13=34 Moving to Node #0,0 Current State: 68:[19, 21, 34], Operations: ['21+13=34'] Exploring Operation: 21-19=2, Resulting Numbers: [34, 2] Generated Node #0,0,2: 68:[34, 2] Operation: 21-19=2 Moving to Node #0,0,2 Current State: 68:[34, 2], Operations: ['21+13=34', '21-19=2'] Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 21, 84, 90, 14 ]
41
[ "84-21=63", "90+14=104", "104-63=41" ]
Current State: 41:[21, 84, 90, 14], Operations: [] Exploring Operation: 84-21=63, Resulting Numbers: [90, 14, 63] Generated Node #2: [90, 14, 63] from Operation: 84-21=63 Current State: 41:[90, 14, 63], Operations: ['84-21=63'] Exploring Operation: 90+14=104, Resulting Numbers: [63, 104] Generated Node #3: [63, 104] from Operation: 90+14=104 Current State: 41:[63, 104], Operations: ['84-21=63', '90+14=104'] Exploring Operation: 104-63=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[21, 84, 90, 14], Operations: [] Exploring Operation: 90-84=6, Resulting Numbers: [21, 14, 6] Generated Node #0,0: 41:[21, 14, 6] Operation: 90-84=6 Exploring Operation: 84-21=63, Resulting Numbers: [90, 14, 63] Generated Node #0,1: 41:[90, 14, 63] Operation: 84-21=63 Exploring Operation: 90-21=69, Resulting Numbers: [84, 14, 69] Generated Node #0,2: 41:[84, 14, 69] Operation: 90-21=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[21, 14, 6], Operations: ['90-84=6'] Exploring Operation: 21+6=27, Resulting Numbers: [14, 27] Generated Node #0,0,0: 41:[14, 27] Operation: 21+6=27 Exploring Operation: 14+6=20, Resulting Numbers: [21, 20] Generated Node #0,0,1: 41:[21, 20] Operation: 14+6=20 Exploring Operation: 21+14=35, Resulting Numbers: [6, 35] Generated Node #0,0,2: 41:[6, 35] Operation: 21+14=35 Moving to Node #0,0,0 Current State: 41:[14, 27], Operations: ['90-84=6', '21+6=27'] Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,41 unequal: No Solution Exploring Operation: 14*27=378, Resulting Numbers: [378] 378,41 unequal: No Solution Exploring Operation: 14+27=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[21, 84, 90, 14], Operations: [] Exploring Operation: 90-84=6, Resulting Numbers: [21, 14, 6] Generated Node #0,0: 41:[21, 14, 6] Operation: 90-84=6 Moving to Node #0,0 Current State: 41:[21, 14, 6], Operations: ['90-84=6'] Exploring Operation: 21+6=27, Resulting Numbers: [14, 27] Generated Node #0,0,0: 41:[14, 27] Operation: 21+6=27 Moving to Node #0,0,0 Current State: 41:[14, 27], Operations: ['90-84=6', '21+6=27'] Exploring Operation: 14+27=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 75, 97, 68, 7 ]
86
[ "97-75=22", "7*22=154", "154-68=86" ]
Current State: 86:[75, 97, 68, 7], Operations: [] Exploring Operation: 97-75=22, Resulting Numbers: [68, 7, 22] Generated Node #2: [68, 7, 22] from Operation: 97-75=22 Current State: 86:[68, 7, 22], Operations: ['97-75=22'] Exploring Operation: 7*22=154, Resulting Numbers: [68, 154] Generated Node #3: [68, 154] from Operation: 7*22=154 Current State: 86:[68, 154], Operations: ['97-75=22', '7*22=154'] Exploring Operation: 154-68=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[75, 97, 68, 7], Operations: [] Exploring Operation: 75+7=82, Resulting Numbers: [97, 68, 82] Generated Node #0,0: 86:[97, 68, 82] Operation: 75+7=82 Exploring Operation: 68+7=75, Resulting Numbers: [75, 97, 75] Generated Node #0,1: 86:[75, 97, 75] Operation: 68+7=75 Exploring Operation: 97-68=29, Resulting Numbers: [75, 7, 29] Generated Node #0,2: 86:[75, 7, 29] Operation: 97-68=29 Exploring Operation: 75-68=7, Resulting Numbers: [97, 7, 7] Generated Node #0,3: 86:[97, 7, 7] Operation: 75-68=7 Exploring Operation: 97-7=90, Resulting Numbers: [75, 68, 90] Generated Node #0,4: 86:[75, 68, 90] Operation: 97-7=90 Start Sub Search at level 1: Moving to Node #0,3 Current State: 86:[97, 7, 7], Operations: ['75-68=7'] Exploring Operation: 97-7=90, Resulting Numbers: [7, 90] Generated Node #0,3,0: 86:[7, 90] Operation: 97-7=90 Exploring Operation: 7*7=49, Resulting Numbers: [97, 49] Generated Node #0,3,1: 86:[97, 49] Operation: 7*7=49 Exploring Operation: 97-7=90, Resulting Numbers: [7, 90] Generated Node #0,3,2: 86:[7, 90] Operation: 97-7=90 Exploring Operation: 7/7=1, Resulting Numbers: [97, 1] Generated Node #0,3,3: 86:[97, 1] Operation: 7/7=1 Exploring Operation: 7-7=0, Resulting Numbers: [97, 0] Generated Node #0,3,4: 86:[97, 0] Operation: 7-7=0 Moving to Node #0,3,0 Current State: 86:[7, 90], Operations: ['75-68=7', '97-7=90'] Exploring Operation: 7*90=630, Resulting Numbers: [630] 630,86 unequal: No Solution Exploring Operation: 90-7=83, Resulting Numbers: [83] 83,86 unequal: No Solution Exploring Operation: 7+90=97, Resulting Numbers: [97] 97,86 unequal: No Solution Moving to Node #0,3,2 Current State: 86:[7, 90], Operations: ['75-68=7', '97-7=90'] Exploring Operation: 7*90=630, Resulting Numbers: [630] 630,86 unequal: No Solution Exploring Operation: 90-7=83, Resulting Numbers: [83] 83,86 unequal: No Solution Exploring Operation: 7+90=97, Resulting Numbers: [97] 97,86 unequal: No Solution Moving to Node #0,3,3 Current State: 86:[97, 1], Operations: ['75-68=7', '7/7=1'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,86 unequal: No Solution Exploring Operation: 97*1=97, Resulting Numbers: [97] 97,86 unequal: No Solution Exploring Operation: 97/1=97, Resulting Numbers: [97] 97,86 unequal: No Solution Exploring Operation: 97+1=98, Resulting Numbers: [98] 98,86 unequal: No Solution Moving to Node #0,3,4 Current State: 86:[97, 0], Operations: ['75-68=7', '7-7=0'] Exploring Operation: 97+0=97, Resulting Numbers: [97] 97,86 unequal: No Solution Exploring Operation: 97*0=0, Resulting Numbers: [0] 0,86 unequal: No Solution Exploring Operation: 97-0=97, Resulting Numbers: [97] 97,86 unequal: No Solution Moving to Node #0,3,1 Current State: 86:[97, 49], Operations: ['75-68=7', '7*7=49'] Exploring Operation: 97*49=4753, Resulting Numbers: [4753] 4753,86 unequal: No Solution Exploring Operation: 97+49=146, Resulting Numbers: [146] 146,86 unequal: No Solution Exploring Operation: 97-49=48, Resulting Numbers: [48] 48,86 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: 86:[75, 7, 29], Operations: ['97-68=29'] Exploring Operation: 7+29=36, Resulting Numbers: [75, 36] Generated Node #0,2,0: 86:[75, 36] Operation: 7+29=36 Exploring Operation: 75-29=46, Resulting Numbers: [7, 46] Generated Node #0,2,1: 86:[7, 46] Operation: 75-29=46 Exploring Operation: 75+29=104, Resulting Numbers: [7, 104] Generated Node #0,2,2: 86:[7, 104] Operation: 75+29=104 Exploring Operation: 29-7=22, Resulting Numbers: [75, 22] Generated Node #0,2,3: 86:[75, 22] Operation: 29-7=22 Exploring Operation: 75+7=82, Resulting Numbers: [29, 82] Generated Node #0,2,4: 86:[29, 82] Operation: 75+7=82 Moving to Node #0,2,1 Current State: 86:[7, 46], Operations: ['97-68=29', '75-29=46'] Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,86 unequal: No Solution Exploring Operation: 7*46=322, Resulting Numbers: [322] 322,86 unequal: No Solution Exploring Operation: 7+46=53, Resulting Numbers: [53] 53,86 unequal: No Solution Moving to Node #0,2,4 Current State: 86:[29, 82], Operations: ['97-68=29', '75+7=82'] Exploring Operation: 29*82=2378, Resulting Numbers: [2378] 2378,86 unequal: No Solution Exploring Operation: 29+82=111, Resulting Numbers: [111] 111,86 unequal: No Solution Exploring Operation: 82-29=53, Resulting Numbers: [53] 53,86 unequal: No Solution Moving to Node #0,2,0 Current State: 86:[75, 36], Operations: ['97-68=29', '7+29=36'] Exploring Operation: 75*36=2700, Resulting Numbers: [2700] 2700,86 unequal: No Solution Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,86 unequal: No Solution Exploring Operation: 75+36=111, Resulting Numbers: [111] 111,86 unequal: No Solution Moving to Node #0,2,2 Current State: 86:[7, 104], Operations: ['97-68=29', '75+29=104'] Exploring Operation: 7*104=728, Resulting Numbers: [728] 728,86 unequal: No Solution Exploring Operation: 7+104=111, Resulting Numbers: [111] 111,86 unequal: No Solution Exploring Operation: 104-7=97, Resulting Numbers: [97] 97,86 unequal: No Solution Moving to Node #0,2,3 Current State: 86:[75, 22], Operations: ['97-68=29', '29-7=22'] Exploring Operation: 75*22=1650, Resulting Numbers: [1650] 1650,86 unequal: No Solution Exploring Operation: 75+22=97, Resulting Numbers: [97] 97,86 unequal: No Solution Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,86 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: 86:[97, 68, 82], Operations: ['75+7=82'] Exploring Operation: 97+68=165, Resulting Numbers: [82, 165] Generated Node #0,0,0: 86:[82, 165] Operation: 97+68=165 Exploring Operation: 68+82=150, Resulting Numbers: [97, 150] Generated Node #0,0,1: 86:[97, 150] Operation: 68+82=150 Exploring Operation: 82-68=14, Resulting Numbers: [97, 14] Generated Node #0,0,2: 86:[97, 14] Operation: 82-68=14 Exploring Operation: 97-68=29, Resulting Numbers: [82, 29] Generated Node #0,0,3: 86:[82, 29] Operation: 97-68=29 Exploring Operation: 97-82=15, Resulting Numbers: [68, 15] Generated Node #0,0,4: 86:[68, 15] Operation: 97-82=15 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 86:[82, 29], Operations: ['75+7=82', '97-68=29'] Exploring Operation: 82*29=2378, Resulting Numbers: [2378] 2378,86 unequal: No Solution Exploring Operation: 82-29=53, Resulting Numbers: [53] 53,86 unequal: No Solution Exploring Operation: 82+29=111, Resulting Numbers: [111] 111,86 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: 86:[97, 14], Operations: ['75+7=82', '82-68=14'] Exploring Operation: 97+14=111, Resulting Numbers: [111] 111,86 unequal: No Solution Exploring Operation: 97*14=1358, Resulting Numbers: [1358] 1358,86 unequal: No Solution Exploring Operation: 97-14=83, Resulting Numbers: [83] 83,86 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: 86:[68, 15], Operations: ['75+7=82', '97-82=15'] Exploring Operation: 68-15=53, Resulting Numbers: [53] 53,86 unequal: No Solution Exploring Operation: 68+15=83, Resulting Numbers: [83] 83,86 unequal: No Solution Exploring Operation: 68*15=1020, Resulting Numbers: [1020] 1020,86 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: 86:[97, 150], Operations: ['75+7=82', '68+82=150'] Exploring Operation: 97*150=14550, Resulting Numbers: [14550] 14550,86 unequal: No Solution Exploring Operation: 97+150=247, Resulting Numbers: [247] 247,86 unequal: No Solution Exploring Operation: 150-97=53, Resulting Numbers: [53] 53,86 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: 86:[82, 165], Operations: ['75+7=82', '97+68=165'] Exploring Operation: 165-82=83, Resulting Numbers: [83] 83,86 unequal: No Solution Exploring Operation: 82+165=247, Resulting Numbers: [247] 247,86 unequal: No Solution Exploring Operation: 82*165=13530, Resulting Numbers: [13530] 13530,86 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: 86:[75, 97, 75], Operations: ['68+7=75'] Exploring Operation: 75+75=150, Resulting Numbers: [97, 150] Generated Node #0,1,0: 86:[97, 150] Operation: 75+75=150 Exploring Operation: 75-75=0, Resulting Numbers: [97, 0] Generated Node #0,1,1: 86:[97, 0] Operation: 75-75=0 Exploring Operation: 97-75=22, Resulting Numbers: [75, 22] Generated Node #0,1,2: 86:[75, 22] Operation: 97-75=22 Exploring Operation: 97-75=22, Resulting Numbers: [75, 22] Generated Node #0,1,3: 86:[75, 22] Operation: 97-75=22 Exploring Operation: 75/75=1, Resulting Numbers: [97, 1] Generated Node #0,1,4: 86:[97, 1] Operation: 75/75=1 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 86:[97, 1], Operations: ['68+7=75', '75/75=1'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,86 unequal: No Solution Exploring Operation: 97/1=97, Resulting Numbers: [97] 97,86 unequal: No Solution Exploring Operation: 97*1=97, Resulting Numbers: [97] 97,86 unequal: No Solution Exploring Operation: 97+1=98, Resulting Numbers: [98] 98,86 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: 86:[97, 0], Operations: ['68+7=75', '75-75=0'] Exploring Operation: 97+0=97, Resulting Numbers: [97] 97,86 unequal: No Solution Exploring Operation: 97-0=97, Resulting Numbers: [97] 97,86 unequal: No Solution Exploring Operation: 97*0=0, Resulting Numbers: [0] 0,86 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: 86:[75, 22], Operations: ['68+7=75', '97-75=22'] Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,86 unequal: No Solution Exploring Operation: 75+22=97, Resulting Numbers: [97] 97,86 unequal: No Solution Exploring Operation: 75*22=1650, Resulting Numbers: [1650] 1650,86 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: 86:[75, 22], Operations: ['68+7=75', '97-75=22'] Exploring Operation: 75*22=1650, Resulting Numbers: [1650] 1650,86 unequal: No Solution Exploring Operation: 75+22=97, Resulting Numbers: [97] 97,86 unequal: No Solution Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,86 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: 86:[97, 150], Operations: ['68+7=75', '75+75=150'] Exploring Operation: 97+150=247, Resulting Numbers: [247] 247,86 unequal: No Solution Exploring Operation: 150-97=53, Resulting Numbers: [53] 53,86 unequal: No Solution Exploring Operation: 97*150=14550, Resulting Numbers: [14550] 14550,86 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: 86:[75, 68, 90], Operations: ['97-7=90'] Exploring Operation: 68+90=158, Resulting Numbers: [75, 158] Generated Node #0,4,0: 86:[75, 158] Operation: 68+90=158 Exploring Operation: 90-75=15, Resulting Numbers: [68, 15] Generated Node #0,4,1: 86:[68, 15] Operation: 90-75=15 Exploring Operation: 75+68=143, Resulting Numbers: [90, 143] Generated Node #0,4,2: 86:[90, 143] Operation: 75+68=143 Exploring Operation: 90-68=22, Resulting Numbers: [75, 22] Generated Node #0,4,3: 86:[75, 22] Operation: 90-68=22 Exploring Operation: 75-68=7, Resulting Numbers: [90, 7] Generated Node #0,4,4: 86:[90, 7] Operation: 75-68=7 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 86:[90, 7], Operations: ['97-7=90', '75-68=7'] Exploring Operation: 90*7=630, Resulting Numbers: [630] 630,86 unequal: No Solution Exploring Operation: 90+7=97, Resulting Numbers: [97] 97,86 unequal: No Solution Exploring Operation: 90-7=83, Resulting Numbers: [83] 83,86 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: 86:[68, 15], Operations: ['97-7=90', '90-75=15'] Exploring Operation: 68*15=1020, Resulting Numbers: [1020] 1020,86 unequal: No Solution Exploring Operation: 68-15=53, Resulting Numbers: [53] 53,86 unequal: No Solution Exploring Operation: 68+15=83, Resulting Numbers: [83] 83,86 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: 86:[75, 22], Operations: ['97-7=90', '90-68=22'] Exploring Operation: 75*22=1650, Resulting Numbers: [1650] 1650,86 unequal: No Solution Exploring Operation: 75+22=97, Resulting Numbers: [97] 97,86 unequal: No Solution Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,86 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: 86:[90, 143], Operations: ['97-7=90', '75+68=143'] Exploring Operation: 143-90=53, Resulting Numbers: [53] 53,86 unequal: No Solution Exploring Operation: 90+143=233, Resulting Numbers: [233] 233,86 unequal: No Solution Exploring Operation: 90*143=12870, Resulting Numbers: [12870] 12870,86 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: 86:[75, 158], Operations: ['97-7=90', '68+90=158'] Exploring Operation: 158-75=83, Resulting Numbers: [83] 83,86 unequal: No Solution Exploring Operation: 75+158=233, Resulting Numbers: [233] 233,86 unequal: No Solution Exploring Operation: 75*158=11850, Resulting Numbers: [11850] 11850,86 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
[ 11, 20, 3, 63 ]
14
[ "11+63=74", "20*3=60", "74-60=14" ]
Current State: 14:[11, 20, 3, 63], Operations: [] Exploring Operation: 11+63=74, Resulting Numbers: [20, 3, 74] Generated Node #2: [20, 3, 74] from Operation: 11+63=74 Current State: 14:[20, 3, 74], Operations: ['11+63=74'] Exploring Operation: 20*3=60, Resulting Numbers: [74, 60] Generated Node #3: [74, 60] from Operation: 20*3=60 Current State: 14:[74, 60], Operations: ['11+63=74', '20*3=60'] Exploring Operation: 74-60=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[11, 20, 3, 63], Operations: [] Exploring Operation: 63-20=43, Resulting Numbers: [11, 3, 43] Generated Node #0,0: 14:[11, 3, 43] Operation: 63-20=43 Exploring Operation: 63/3=21, Resulting Numbers: [11, 20, 21] Generated Node #0,1: 14:[11, 20, 21] Operation: 63/3=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[11, 20, 21], Operations: ['63/3=21'] Exploring Operation: 21-20=1, Resulting Numbers: [11, 1] Generated Node #0,1,0: 14:[11, 1] Operation: 21-20=1 Exploring Operation: 20-11=9, Resulting Numbers: [21, 9] Generated Node #0,1,1: 14:[21, 9] Operation: 20-11=9 Moving to Node #0,1,0 Current State: 14:[11, 1], Operations: ['63/3=21', '21-20=1'] Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,14 unequal: No Solution Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[21, 9], Operations: ['63/3=21', '20-11=9'] Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,14 unequal: No Solution Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,14 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: 14:[11, 3, 43], Operations: ['63-20=43'] Exploring Operation: 43-11=32, Resulting Numbers: [3, 32] Generated Node #0,0,0: 14:[3, 32] Operation: 43-11=32 Exploring Operation: 11+3=14, Resulting Numbers: [43, 14] Generated Node #0,0,1: 14:[43, 14] Operation: 11+3=14 Moving to Node #0,0,0 Current State: 14:[3, 32], Operations: ['63-20=43', '43-11=32'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[43, 14], Operations: ['63-20=43', '11+3=14'] Exploring Operation: 43-14=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 43+14=57, Resulting Numbers: [57] 57,14 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
[ 30, 52, 53, 56 ]
66
[ "52-30=22", "56-53=3", "22*3=66" ]
Current State: 66:[30, 52, 53, 56], Operations: [] Exploring Operation: 52-30=22, Resulting Numbers: [53, 56, 22] Generated Node #2: [53, 56, 22] from Operation: 52-30=22 Current State: 66:[53, 56, 22], Operations: ['52-30=22'] Exploring Operation: 56-53=3, Resulting Numbers: [22, 3] Generated Node #3: [22, 3] from Operation: 56-53=3 Current State: 66:[22, 3], Operations: ['52-30=22', '56-53=3'] Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[30, 52, 53, 56], Operations: [] Exploring Operation: 56-53=3, Resulting Numbers: [30, 52, 3] Generated Node #0,0: 66:[30, 52, 3] Operation: 56-53=3 Exploring Operation: 56-52=4, Resulting Numbers: [30, 53, 4] Generated Node #0,1: 66:[30, 53, 4] Operation: 56-52=4 Exploring Operation: 52-30=22, Resulting Numbers: [53, 56, 22] Generated Node #0,2: 66:[53, 56, 22] Operation: 52-30=22 Exploring Operation: 53-30=23, Resulting Numbers: [52, 56, 23] Generated Node #0,3: 66:[52, 56, 23] Operation: 53-30=23 Exploring Operation: 53-52=1, Resulting Numbers: [30, 56, 1] Generated Node #0,4: 66:[30, 56, 1] Operation: 53-52=1 Moving to Node #0,4 Current State: 66:[30, 56, 1], Operations: ['53-52=1'] Exploring Operation: 56-30=26, Resulting Numbers: [1, 26] Generated Node #0,4,0: 66:[1, 26] Operation: 56-30=26 Exploring Operation: 56+1=57, Resulting Numbers: [30, 57] Generated Node #0,4,1: 66:[30, 57] Operation: 56+1=57 Exploring Operation: 30+1=31, Resulting Numbers: [56, 31] Generated Node #0,4,2: 66:[56, 31] Operation: 30+1=31 Exploring Operation: 30/1=30, Resulting Numbers: [56, 30] Generated Node #0,4,3: 66:[56, 30] Operation: 30/1=30 Exploring Operation: 30*1=30, Resulting Numbers: [56, 30] Generated Node #0,4,4: 66:[56, 30] Operation: 30*1=30 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 66:[1, 26], Operations: ['53-52=1', '56-30=26'] Exploring Operation: 1+26=27, Resulting Numbers: [27] 27,66 unequal: No Solution Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,66 unequal: No Solution Exploring Operation: 1*26=26, Resulting Numbers: [26] 26,66 unequal: No Solution Exploring Operation: 26/1=26, Resulting Numbers: [26] 26,66 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: 66:[30, 57], Operations: ['53-52=1', '56+1=57'] Exploring Operation: 30*57=1710, Resulting Numbers: [1710] 1710,66 unequal: No Solution Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,66 unequal: No Solution Exploring Operation: 30+57=87, Resulting Numbers: [87] 87,66 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: 66:[56, 31], Operations: ['53-52=1', '30+1=31'] Exploring Operation: 56-31=25, Resulting Numbers: [25] 25,66 unequal: No Solution Exploring Operation: 56*31=1736, Resulting Numbers: [1736] 1736,66 unequal: No Solution Exploring Operation: 56+31=87, Resulting Numbers: [87] 87,66 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: 66:[56, 30], Operations: ['53-52=1', '30/1=30'] Exploring Operation: 56*30=1680, Resulting Numbers: [1680] 1680,66 unequal: No Solution Exploring Operation: 56+30=86, Resulting Numbers: [86] 86,66 unequal: No Solution Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,66 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: 66:[56, 30], Operations: ['53-52=1', '30*1=30'] Exploring Operation: 56+30=86, Resulting Numbers: [86] 86,66 unequal: No Solution Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,66 unequal: No Solution Exploring Operation: 56*30=1680, Resulting Numbers: [1680] 1680,66 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: 66:[30, 53, 4], Operations: ['56-52=4'] Exploring Operation: 30+53=83, Resulting Numbers: [4, 83] Generated Node #0,1,0: 66:[4, 83] Operation: 30+53=83 Exploring Operation: 53+4=57, Resulting Numbers: [30, 57] Generated Node #0,1,1: 66:[30, 57] Operation: 53+4=57 Exploring Operation: 53-30=23, Resulting Numbers: [4, 23] Generated Node #0,1,2: 66:[4, 23] Operation: 53-30=23 Exploring Operation: 30+4=34, Resulting Numbers: [53, 34] Generated Node #0,1,3: 66:[53, 34] Operation: 30+4=34 Exploring Operation: 30-4=26, Resulting Numbers: [53, 26] Generated Node #0,1,4: 66:[53, 26] Operation: 30-4=26 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 66:[4, 23], Operations: ['56-52=4', '53-30=23'] Exploring Operation: 4*23=92, Resulting Numbers: [92] 92,66 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,66 unequal: No Solution Exploring Operation: 4+23=27, Resulting Numbers: [27] 27,66 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: 66:[30, 57], Operations: ['56-52=4', '53+4=57'] Exploring Operation: 30+57=87, Resulting Numbers: [87] 87,66 unequal: No Solution Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,66 unequal: No Solution Exploring Operation: 30*57=1710, Resulting Numbers: [1710] 1710,66 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: 66:[53, 34], Operations: ['56-52=4', '30+4=34'] Exploring Operation: 53-34=19, Resulting Numbers: [19] 19,66 unequal: No Solution Exploring Operation: 53*34=1802, Resulting Numbers: [1802] 1802,66 unequal: No Solution Exploring Operation: 53+34=87, Resulting Numbers: [87] 87,66 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: 66:[53, 26], Operations: ['56-52=4', '30-4=26'] Exploring Operation: 53-26=27, Resulting Numbers: [27] 27,66 unequal: No Solution Exploring Operation: 53*26=1378, Resulting Numbers: [1378] 1378,66 unequal: No Solution Exploring Operation: 53+26=79, Resulting Numbers: [79] 79,66 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: 66:[4, 83], Operations: ['56-52=4', '30+53=83'] Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,66 unequal: No Solution Exploring Operation: 4+83=87, Resulting Numbers: [87] 87,66 unequal: No Solution Exploring Operation: 4*83=332, Resulting Numbers: [332] 332,66 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: 66:[30, 52, 3], Operations: ['56-53=3'] Exploring Operation: 30+52=82, Resulting Numbers: [3, 82] Generated Node #0,0,0: 66:[3, 82] Operation: 30+52=82 Exploring Operation: 30+3=33, Resulting Numbers: [52, 33] Generated Node #0,0,1: 66:[52, 33] Operation: 30+3=33 Exploring Operation: 30/3=10, Resulting Numbers: [52, 10] Generated Node #0,0,2: 66:[52, 10] Operation: 30/3=10 Exploring Operation: 52+3=55, Resulting Numbers: [30, 55] Generated Node #0,0,3: 66:[30, 55] Operation: 52+3=55 Exploring Operation: 52-30=22, Resulting Numbers: [3, 22] Generated Node #0,0,4: 66:[3, 22] Operation: 52-30=22 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 66:[3, 22], Operations: ['56-53=3', '52-30=22'] Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,66 unequal: No Solution Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[30, 52, 53, 56], Operations: [] Exploring Operation: 56-53=3, Resulting Numbers: [30, 52, 3] Generated Node #0,0: 66:[30, 52, 3] Operation: 56-53=3 Moving to Node #0,0 Current State: 66:[30, 52, 3], Operations: ['56-53=3'] Exploring Operation: 52-30=22, Resulting Numbers: [3, 22] Generated Node #0,0,4: 66:[3, 22] Operation: 52-30=22 Moving to Node #0,0,4 Current State: 66:[3, 22], Operations: ['56-53=3', '52-30=22'] Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.950521
hs_5
mult_heuristic
[ 57, 75, 49, 62 ]
59
[ "75+49=124", "124/62=2", "57+2=59" ]
Current State: 59:[57, 75, 49, 62], Operations: [] Exploring Operation: 75+49=124, Resulting Numbers: [57, 62, 124] Generated Node #2: [57, 62, 124] from Operation: 75+49=124 Current State: 59:[57, 62, 124], Operations: ['75+49=124'] Exploring Operation: 124/62=2, Resulting Numbers: [57, 2] Generated Node #3: [57, 2] from Operation: 124/62=2 Current State: 59:[57, 2], Operations: ['75+49=124', '124/62=2'] Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[57, 75, 49, 62], Operations: [] Exploring Operation: 75-49=26, Resulting Numbers: [57, 62, 26] Generated Node #0,0: 59:[57, 62, 26] Operation: 75-49=26 Exploring Operation: 75-57=18, Resulting Numbers: [49, 62, 18] Generated Node #0,1: 59:[49, 62, 18] Operation: 75-57=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[57, 62, 26], Operations: ['75-49=26'] Exploring Operation: 57+26=83, Resulting Numbers: [62, 83] Generated Node #0,0,0: 59:[62, 83] Operation: 57+26=83 Exploring Operation: 62-26=36, Resulting Numbers: [57, 36] Generated Node #0,0,1: 59:[57, 36] Operation: 62-26=36 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 59:[57, 36], Operations: ['75-49=26', '62-26=36'] Exploring Operation: 57-36=21, Resulting Numbers: [21] 21,59 unequal: No Solution Exploring Operation: 57+36=93, Resulting Numbers: [93] 93,59 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: 59:[62, 83], Operations: ['75-49=26', '57+26=83'] Exploring Operation: 83-62=21, Resulting Numbers: [21] 21,59 unequal: No Solution Exploring Operation: 62+83=145, Resulting Numbers: [145] 145,59 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: 59:[49, 62, 18], Operations: ['75-57=18'] Exploring Operation: 62-18=44, Resulting Numbers: [49, 44] Generated Node #0,1,0: 59:[49, 44] Operation: 62-18=44 Exploring Operation: 49+18=67, Resulting Numbers: [62, 67] Generated Node #0,1,1: 59:[62, 67] Operation: 49+18=67 Moving to Node #0,1,1 Current State: 59:[62, 67], Operations: ['75-57=18', '49+18=67'] Exploring Operation: 62+67=129, Resulting Numbers: [129] 129,59 unequal: No Solution Exploring Operation: 67-62=5, Resulting Numbers: [5] 5,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[49, 44], Operations: ['75-57=18', '62-18=44'] Exploring Operation: 49-44=5, Resulting Numbers: [5] 5,59 unequal: No Solution Exploring Operation: 49+44=93, Resulting Numbers: [93] 93,59 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
[ 24, 11, 36, 57 ]
56
[ "24+11=35", "57-36=21", "35+21=56" ]
Current State: 56:[24, 11, 36, 57], Operations: [] Exploring Operation: 24+11=35, Resulting Numbers: [36, 57, 35] Generated Node #2: [36, 57, 35] from Operation: 24+11=35 Current State: 56:[36, 57, 35], Operations: ['24+11=35'] Exploring Operation: 57-36=21, Resulting Numbers: [35, 21] Generated Node #3: [35, 21] from Operation: 57-36=21 Current State: 56:[35, 21], Operations: ['24+11=35', '57-36=21'] Exploring Operation: 35+21=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[24, 11, 36, 57], Operations: [] Exploring Operation: 36-24=12, Resulting Numbers: [11, 57, 12] Generated Node #0,0: 56:[11, 57, 12] Operation: 36-24=12 Exploring Operation: 24-11=13, Resulting Numbers: [36, 57, 13] Generated Node #0,1: 56:[36, 57, 13] Operation: 24-11=13 Exploring Operation: 36-11=25, Resulting Numbers: [24, 57, 25] Generated Node #0,2: 56:[24, 57, 25] Operation: 36-11=25 Exploring Operation: 24+36=60, Resulting Numbers: [11, 57, 60] Generated Node #0,3: 56:[11, 57, 60] Operation: 24+36=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[11, 57, 12], Operations: ['36-24=12'] Exploring Operation: 12-11=1, Resulting Numbers: [57, 1] Generated Node #0,0,0: 56:[57, 1] Operation: 12-11=1 Exploring Operation: 57-11=46, Resulting Numbers: [12, 46] Generated Node #0,0,1: 56:[12, 46] Operation: 57-11=46 Exploring Operation: 11+12=23, Resulting Numbers: [57, 23] Generated Node #0,0,2: 56:[57, 23] Operation: 11+12=23 Exploring Operation: 11+57=68, Resulting Numbers: [12, 68] Generated Node #0,0,3: 56:[12, 68] Operation: 11+57=68 Moving to Node #0,0,0 Current State: 56:[57, 1], Operations: ['36-24=12', '12-11=1'] Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[24, 11, 36, 57], Operations: [] Exploring Operation: 36-24=12, Resulting Numbers: [11, 57, 12] Generated Node #0,0: 56:[11, 57, 12] Operation: 36-24=12 Moving to Node #0,0 Current State: 56:[11, 57, 12], Operations: ['36-24=12'] Exploring Operation: 12-11=1, Resulting Numbers: [57, 1] Generated Node #0,0,0: 56:[57, 1] Operation: 12-11=1 Moving to Node #0,0,0 Current State: 56:[57, 1], Operations: ['36-24=12', '12-11=1'] Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 16, 59, 47, 12 ]
15
[ "59-47=12", "12/12=1", "16-1=15" ]
Current State: 15:[16, 59, 47, 12], Operations: [] Exploring Operation: 59-47=12, Resulting Numbers: [16, 12, 12] Generated Node #2: [16, 12, 12] from Operation: 59-47=12 Current State: 15:[16, 12, 12], Operations: ['59-47=12'] Exploring Operation: 12/12=1, Resulting Numbers: [16, 1] Generated Node #3: [16, 1] from Operation: 12/12=1 Current State: 15:[16, 1], Operations: ['59-47=12', '12/12=1'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[16, 59, 47, 12], Operations: [] Exploring Operation: 47-16=31, Resulting Numbers: [59, 12, 31] Generated Node #0,0: 15:[59, 12, 31] Operation: 47-16=31 Exploring Operation: 59-47=12, Resulting Numbers: [16, 12, 12] Generated Node #0,1: 15:[16, 12, 12] Operation: 59-47=12 Exploring Operation: 59-16=43, Resulting Numbers: [47, 12, 43] Generated Node #0,2: 15:[47, 12, 43] Operation: 59-16=43 Exploring Operation: 59-12=47, Resulting Numbers: [16, 47, 47] Generated Node #0,3: 15:[16, 47, 47] Operation: 59-12=47 Moving to Node #0,1 Current State: 15:[16, 12, 12], Operations: ['59-47=12'] Exploring Operation: 12-12=0, Resulting Numbers: [16, 0] Generated Node #0,1,0: 15:[16, 0] Operation: 12-12=0 Exploring Operation: 12/12=1, Resulting Numbers: [16, 1] Generated Node #0,1,1: 15:[16, 1] Operation: 12/12=1 Exploring Operation: 16-12=4, Resulting Numbers: [12, 4] Generated Node #0,1,2: 15:[12, 4] Operation: 16-12=4 Exploring Operation: 16-12=4, Resulting Numbers: [12, 4] Generated Node #0,1,3: 15:[12, 4] Operation: 16-12=4 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 15:[16, 1], Operations: ['59-47=12', '12/12=1'] Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,15 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[16, 59, 47, 12], Operations: [] Exploring Operation: 59-47=12, Resulting Numbers: [16, 12, 12] Generated Node #0,1: 15:[16, 12, 12] Operation: 59-47=12 Moving to Node #0,1 Current State: 15:[16, 12, 12], Operations: ['59-47=12'] Exploring Operation: 12/12=1, Resulting Numbers: [16, 1] Generated Node #0,1,1: 15:[16, 1] Operation: 12/12=1 Moving to Node #0,1,1 Current State: 15:[16, 1], Operations: ['59-47=12', '12/12=1'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 75, 74, 33, 25 ]
85
[ "75/25=3", "33/3=11", "74+11=85" ]
Current State: 85:[75, 74, 33, 25], Operations: [] Exploring Operation: 75/25=3, Resulting Numbers: [74, 33, 3] Generated Node #2: [74, 33, 3] from Operation: 75/25=3 Current State: 85:[74, 33, 3], Operations: ['75/25=3'] Exploring Operation: 33/3=11, Resulting Numbers: [74, 11] Generated Node #3: [74, 11] from Operation: 33/3=11 Current State: 85:[74, 11], Operations: ['75/25=3', '33/3=11'] Exploring Operation: 74+11=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[75, 74, 33, 25], Operations: [] Exploring Operation: 33-25=8, Resulting Numbers: [75, 74, 8] Generated Node #0,0: 85:[75, 74, 8] Operation: 33-25=8 Exploring Operation: 74+25=99, Resulting Numbers: [75, 33, 99] Generated Node #0,1: 85:[75, 33, 99] Operation: 74+25=99 Exploring Operation: 75/25=3, Resulting Numbers: [74, 33, 3] Generated Node #0,2: 85:[74, 33, 3] Operation: 75/25=3 Exploring Operation: 75-74=1, Resulting Numbers: [33, 25, 1] Generated Node #0,3: 85:[33, 25, 1] Operation: 75-74=1 Exploring Operation: 74+33=107, Resulting Numbers: [75, 25, 107] Generated Node #0,4: 85:[75, 25, 107] Operation: 74+33=107 Moving to Node #0,0 Current State: 85:[75, 74, 8], Operations: ['33-25=8'] Exploring Operation: 75+8=83, Resulting Numbers: [74, 83] Generated Node #0,0,0: 85:[74, 83] Operation: 75+8=83 Exploring Operation: 74+8=82, Resulting Numbers: [75, 82] Generated Node #0,0,1: 85:[75, 82] Operation: 74+8=82 Exploring Operation: 75-8=67, Resulting Numbers: [74, 67] Generated Node #0,0,2: 85:[74, 67] Operation: 75-8=67 Exploring Operation: 75-74=1, Resulting Numbers: [8, 1] Generated Node #0,0,3: 85:[8, 1] Operation: 75-74=1 Exploring Operation: 74-8=66, Resulting Numbers: [75, 66] Generated Node #0,0,4: 85:[75, 66] Operation: 74-8=66 Moving to Node #0,3 Current State: 85:[33, 25, 1], Operations: ['75-74=1'] Exploring Operation: 33/1=33, Resulting Numbers: [25, 33] Generated Node #0,3,0: 85:[25, 33] Operation: 33/1=33 Exploring Operation: 33-1=32, Resulting Numbers: [25, 32] Generated Node #0,3,1: 85:[25, 32] Operation: 33-1=32 Exploring Operation: 33*1=33, Resulting Numbers: [25, 33] Generated Node #0,3,2: 85:[25, 33] Operation: 33*1=33 Exploring Operation: 25-1=24, Resulting Numbers: [33, 24] Generated Node #0,3,3: 85:[33, 24] Operation: 25-1=24 Exploring Operation: 33-25=8, Resulting Numbers: [1, 8] Generated Node #0,3,4: 85:[1, 8] Operation: 33-25=8 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 85:[1, 8], Operations: ['75-74=1', '33-25=8'] Exploring Operation: 1+8=9, Resulting Numbers: [9] 9,85 unequal: No Solution Exploring Operation: 1*8=8, Resulting Numbers: [8] 8,85 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,85 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,85 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: 85:[25, 32], Operations: ['75-74=1', '33-1=32'] Exploring Operation: 25+32=57, Resulting Numbers: [57] 57,85 unequal: No Solution Exploring Operation: 25*32=800, Resulting Numbers: [800] 800,85 unequal: No Solution Exploring Operation: 32-25=7, Resulting Numbers: [7] 7,85 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: 85:[33, 24], Operations: ['75-74=1', '25-1=24'] Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,85 unequal: No Solution Exploring Operation: 33+24=57, Resulting Numbers: [57] 57,85 unequal: No Solution Exploring Operation: 33*24=792, Resulting Numbers: [792] 792,85 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: 85:[25, 33], Operations: ['75-74=1', '33/1=33'] Exploring Operation: 25+33=58, Resulting Numbers: [58] 58,85 unequal: No Solution Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,85 unequal: No Solution Exploring Operation: 25*33=825, Resulting Numbers: [825] 825,85 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: 85:[25, 33], Operations: ['75-74=1', '33*1=33'] Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,85 unequal: No Solution Exploring Operation: 25+33=58, Resulting Numbers: [58] 58,85 unequal: No Solution Exploring Operation: 25*33=825, Resulting Numbers: [825] 825,85 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: 85:[74, 33, 3], Operations: ['75/25=3'] Exploring Operation: 33/3=11, Resulting Numbers: [74, 11] Generated Node #0,2,0: 85:[74, 11] Operation: 33/3=11 Exploring Operation: 33-3=30, Resulting Numbers: [74, 30] Generated Node #0,2,1: 85:[74, 30] Operation: 33-3=30 Exploring Operation: 33*3=99, Resulting Numbers: [74, 99] Generated Node #0,2,2: 85:[74, 99] Operation: 33*3=99 Exploring Operation: 74+33=107, Resulting Numbers: [3, 107] Generated Node #0,2,3: 85:[3, 107] Operation: 74+33=107 Exploring Operation: 74+3=77, Resulting Numbers: [33, 77] Generated Node #0,2,4: 85:[33, 77] Operation: 74+3=77 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 85:[74, 11], Operations: ['75/25=3', '33/3=11'] Exploring Operation: 74-11=63, Resulting Numbers: [63] 63,85 unequal: No Solution Exploring Operation: 74+11=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[75, 74, 33, 25], Operations: [] Exploring Operation: 75/25=3, Resulting Numbers: [74, 33, 3] Generated Node #0,2: 85:[74, 33, 3] Operation: 75/25=3 Moving to Node #0,2 Current State: 85:[74, 33, 3], Operations: ['75/25=3'] Exploring Operation: 33/3=11, Resulting Numbers: [74, 11] Generated Node #0,2,0: 85:[74, 11] Operation: 33/3=11 Moving to Node #0,2,0 Current State: 85:[74, 11], Operations: ['75/25=3', '33/3=11'] Exploring Operation: 74+11=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.963542
hs_5
mult_heuristic
[ 9, 2, 30, 74 ]
93
[ "9+2=11", "30+74=104", "104-11=93" ]
Current State: 93:[9, 2, 30, 74], Operations: [] Exploring Operation: 9+2=11, Resulting Numbers: [30, 74, 11] Generated Node #2: [30, 74, 11] from Operation: 9+2=11 Current State: 93:[30, 74, 11], Operations: ['9+2=11'] Exploring Operation: 30+74=104, Resulting Numbers: [11, 104] Generated Node #3: [11, 104] from Operation: 30+74=104 Current State: 93:[11, 104], Operations: ['9+2=11', '30+74=104'] Exploring Operation: 104-11=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[9, 2, 30, 74], Operations: [] Exploring Operation: 9+74=83, Resulting Numbers: [2, 30, 83] Generated Node #0,0: 93:[2, 30, 83] Operation: 9+74=83 Exploring Operation: 74-30=44, Resulting Numbers: [9, 2, 44] Generated Node #0,1: 93:[9, 2, 44] Operation: 74-30=44 Exploring Operation: 9-2=7, Resulting Numbers: [30, 74, 7] Generated Node #0,2: 93:[30, 74, 7] Operation: 9-2=7 Exploring Operation: 30+74=104, Resulting Numbers: [9, 2, 104] Generated Node #0,3: 93:[9, 2, 104] Operation: 30+74=104 Exploring Operation: 74/2=37, Resulting Numbers: [9, 30, 37] Generated Node #0,4: 93:[9, 30, 37] Operation: 74/2=37 Moving to Node #0,0 Current State: 93:[2, 30, 83], Operations: ['9+74=83'] Exploring Operation: 2+30=32, Resulting Numbers: [83, 32] Generated Node #0,0,0: 93:[83, 32] Operation: 2+30=32 Exploring Operation: 30+83=113, Resulting Numbers: [2, 113] Generated Node #0,0,1: 93:[2, 113] Operation: 30+83=113 Exploring Operation: 2+83=85, Resulting Numbers: [30, 85] Generated Node #0,0,2: 93:[30, 85] Operation: 2+83=85 Exploring Operation: 83-2=81, Resulting Numbers: [30, 81] Generated Node #0,0,3: 93:[30, 81] Operation: 83-2=81 Exploring Operation: 30-2=28, Resulting Numbers: [83, 28] Generated Node #0,0,4: 93:[83, 28] Operation: 30-2=28 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 93:[30, 85], Operations: ['9+74=83', '2+83=85'] Exploring Operation: 85-30=55, Resulting Numbers: [55] 55,93 unequal: No Solution Exploring Operation: 30+85=115, Resulting Numbers: [115] 115,93 unequal: No Solution Exploring Operation: 30*85=2550, Resulting Numbers: [2550] 2550,93 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: 93:[83, 32], Operations: ['9+74=83', '2+30=32'] Exploring Operation: 83+32=115, Resulting Numbers: [115] 115,93 unequal: No Solution Exploring Operation: 83*32=2656, Resulting Numbers: [2656] 2656,93 unequal: No Solution Exploring Operation: 83-32=51, Resulting Numbers: [51] 51,93 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: 93:[30, 81], Operations: ['9+74=83', '83-2=81'] Exploring Operation: 81-30=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 30*81=2430, Resulting Numbers: [2430] 2430,93 unequal: No Solution Exploring Operation: 30+81=111, Resulting Numbers: [111] 111,93 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: 93:[83, 28], Operations: ['9+74=83', '30-2=28'] Exploring Operation: 83*28=2324, Resulting Numbers: [2324] 2324,93 unequal: No Solution Exploring Operation: 83-28=55, Resulting Numbers: [55] 55,93 unequal: No Solution Exploring Operation: 83+28=111, Resulting Numbers: [111] 111,93 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: 93:[2, 113], Operations: ['9+74=83', '30+83=113'] Exploring Operation: 2*113=226, Resulting Numbers: [226] 226,93 unequal: No Solution Exploring Operation: 113-2=111, Resulting Numbers: [111] 111,93 unequal: No Solution Exploring Operation: 2+113=115, Resulting Numbers: [115] 115,93 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: 93:[9, 30, 37], Operations: ['74/2=37'] Exploring Operation: 37-30=7, Resulting Numbers: [9, 7] Generated Node #0,4,0: 93:[9, 7] Operation: 37-30=7 Exploring Operation: 9+30=39, Resulting Numbers: [37, 39] Generated Node #0,4,1: 93:[37, 39] Operation: 9+30=39 Exploring Operation: 37-9=28, Resulting Numbers: [30, 28] Generated Node #0,4,2: 93:[30, 28] Operation: 37-9=28 Exploring Operation: 9+37=46, Resulting Numbers: [30, 46] Generated Node #0,4,3: 93:[30, 46] Operation: 9+37=46 Exploring Operation: 30-9=21, Resulting Numbers: [37, 21] Generated Node #0,4,4: 93:[37, 21] Operation: 30-9=21 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 93:[30, 28], Operations: ['74/2=37', '37-9=28'] Exploring Operation: 30+28=58, Resulting Numbers: [58] 58,93 unequal: No Solution Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 30*28=840, Resulting Numbers: [840] 840,93 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: 93:[9, 7], Operations: ['74/2=37', '37-30=7'] Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,93 unequal: No Solution Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,93 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: 93:[37, 39], Operations: ['74/2=37', '9+30=39'] Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,93 unequal: No Solution Exploring Operation: 37*39=1443, Resulting Numbers: [1443] 1443,93 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: 93:[30, 46], Operations: ['74/2=37', '9+37=46'] Exploring Operation: 30*46=1380, Resulting Numbers: [1380] 1380,93 unequal: No Solution Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,93 unequal: No Solution Exploring Operation: 30+46=76, Resulting Numbers: [76] 76,93 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: 93:[37, 21], Operations: ['74/2=37', '30-9=21'] Exploring Operation: 37*21=777, Resulting Numbers: [777] 777,93 unequal: No Solution Exploring Operation: 37-21=16, Resulting Numbers: [16] 16,93 unequal: No Solution Exploring Operation: 37+21=58, Resulting Numbers: [58] 58,93 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: 93:[9, 2, 104], Operations: ['30+74=104'] Exploring Operation: 2+104=106, Resulting Numbers: [9, 106] Generated Node #0,3,0: 93:[9, 106] Operation: 2+104=106 Exploring Operation: 9+2=11, Resulting Numbers: [104, 11] Generated Node #0,3,1: 93:[104, 11] Operation: 9+2=11 Exploring Operation: 9-2=7, Resulting Numbers: [104, 7] Generated Node #0,3,2: 93:[104, 7] Operation: 9-2=7 Exploring Operation: 104-2=102, Resulting Numbers: [9, 102] Generated Node #0,3,3: 93:[9, 102] Operation: 104-2=102 Exploring Operation: 104-9=95, Resulting Numbers: [2, 95] Generated Node #0,3,4: 93:[2, 95] Operation: 104-9=95 Moving to Node #0,1 Current State: 93:[9, 2, 44], Operations: ['74-30=44'] Exploring Operation: 44-9=35, Resulting Numbers: [2, 35] Generated Node #0,1,0: 93:[2, 35] Operation: 44-9=35 Exploring Operation: 9-2=7, Resulting Numbers: [44, 7] Generated Node #0,1,1: 93:[44, 7] Operation: 9-2=7 Exploring Operation: 2*44=88, Resulting Numbers: [9, 88] Generated Node #0,1,2: 93:[9, 88] Operation: 2*44=88 Exploring Operation: 44-2=42, Resulting Numbers: [9, 42] Generated Node #0,1,3: 93:[9, 42] Operation: 44-2=42 Exploring Operation: 44/2=22, Resulting Numbers: [9, 22] Generated Node #0,1,4: 93:[9, 22] Operation: 44/2=22 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[2, 35], Operations: ['74-30=44', '44-9=35'] Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,93 unequal: No Solution Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,93 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,93 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: 93:[9, 88], Operations: ['74-30=44', '2*44=88'] Exploring Operation: 9+88=97, Resulting Numbers: [97] 97,93 unequal: No Solution Exploring Operation: 88-9=79, Resulting Numbers: [79] 79,93 unequal: No Solution Exploring Operation: 9*88=792, Resulting Numbers: [792] 792,93 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: 93:[9, 22], Operations: ['74-30=44', '44/2=22'] Exploring Operation: 9*22=198, Resulting Numbers: [198] 198,93 unequal: No Solution Exploring Operation: 9+22=31, Resulting Numbers: [31] 31,93 unequal: No Solution Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,93 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: 93:[44, 7], Operations: ['74-30=44', '9-2=7'] Exploring Operation: 44*7=308, Resulting Numbers: [308] 308,93 unequal: No Solution Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,93 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: 93:[9, 42], Operations: ['74-30=44', '44-2=42'] Exploring Operation: 9+42=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,93 unequal: No Solution Exploring Operation: 9*42=378, Resulting Numbers: [378] 378,93 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: 93:[30, 74, 7], Operations: ['9-2=7'] Exploring Operation: 30-7=23, Resulting Numbers: [74, 23] Generated Node #0,2,0: 93:[74, 23] Operation: 30-7=23 Exploring Operation: 74-30=44, Resulting Numbers: [7, 44] Generated Node #0,2,1: 93:[7, 44] Operation: 74-30=44 Exploring Operation: 30+74=104, Resulting Numbers: [7, 104] Generated Node #0,2,2: 93:[7, 104] Operation: 30+74=104 Exploring Operation: 30+7=37, Resulting Numbers: [74, 37] Generated Node #0,2,3: 93:[74, 37] Operation: 30+7=37 Exploring Operation: 74+7=81, Resulting Numbers: [30, 81] Generated Node #0,2,4: 93:[30, 81] Operation: 74+7=81 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 93:[30, 81], Operations: ['9-2=7', '74+7=81'] Exploring Operation: 81-30=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 30+81=111, Resulting Numbers: [111] 111,93 unequal: No Solution Exploring Operation: 30*81=2430, Resulting Numbers: [2430] 2430,93 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: 93:[7, 104], Operations: ['9-2=7', '30+74=104'] Exploring Operation: 7+104=111, Resulting Numbers: [111] 111,93 unequal: No Solution Exploring Operation: 7*104=728, Resulting Numbers: [728] 728,93 unequal: No Solution Exploring Operation: 104-7=97, Resulting Numbers: [97] 97,93 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: 93:[7, 44], Operations: ['9-2=7', '74-30=44'] Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,93 unequal: No Solution Exploring Operation: 7*44=308, Resulting Numbers: [308] 308,93 unequal: No Solution Exploring Operation: 7+44=51, Resulting Numbers: [51] 51,93 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: 93:[74, 37], Operations: ['9-2=7', '30+7=37'] Exploring Operation: 74/37=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 74+37=111, Resulting Numbers: [111] 111,93 unequal: No Solution Exploring Operation: 74-37=37, Resulting Numbers: [37] 37,93 unequal: No Solution Exploring Operation: 74*37=2738, Resulting Numbers: [2738] 2738,93 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: 93:[74, 23], Operations: ['9-2=7', '30-7=23'] Exploring Operation: 74-23=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 74*23=1702, Resulting Numbers: [1702] 1702,93 unequal: No Solution Exploring Operation: 74+23=97, Resulting Numbers: [97] 97,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,4 Current State: 93:[2, 95], Operations: ['30+74=104', '104-9=95'] Exploring Operation: 2*95=190, Resulting Numbers: [190] 190,93 unequal: No Solution Exploring Operation: 2+95=97, Resulting Numbers: [97] 97,93 unequal: No Solution Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[9, 2, 30, 74], Operations: [] Exploring Operation: 30+74=104, Resulting Numbers: [9, 2, 104] Generated Node #0,3: 93:[9, 2, 104] Operation: 30+74=104 Moving to Node #0,3 Current State: 93:[9, 2, 104], Operations: ['30+74=104'] Exploring Operation: 104-9=95, Resulting Numbers: [2, 95] Generated Node #0,3,4: 93:[2, 95] Operation: 104-9=95 Moving to Node #0,3,4 Current State: 93:[2, 95], Operations: ['30+74=104', '104-9=95'] Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
0.914931
hs_5
sum_heuristic
[ 38, 16, 8, 21 ]
35
[ "38-16=22", "21-8=13", "22+13=35" ]
Current State: 35:[38, 16, 8, 21], Operations: [] Exploring Operation: 38-16=22, Resulting Numbers: [8, 21, 22] Generated Node #2: [8, 21, 22] from Operation: 38-16=22 Current State: 35:[8, 21, 22], Operations: ['38-16=22'] Exploring Operation: 21-8=13, Resulting Numbers: [22, 13] Generated Node #3: [22, 13] from Operation: 21-8=13 Current State: 35:[22, 13], Operations: ['38-16=22', '21-8=13'] Exploring Operation: 22+13=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[38, 16, 8, 21], Operations: [] Exploring Operation: 16+21=37, Resulting Numbers: [38, 8, 37] Generated Node #0,0: 35:[38, 8, 37] Operation: 16+21=37 Exploring Operation: 21-8=13, Resulting Numbers: [38, 16, 13] Generated Node #0,1: 35:[38, 16, 13] Operation: 21-8=13 Exploring Operation: 8+21=29, Resulting Numbers: [38, 16, 29] Generated Node #0,2: 35:[38, 16, 29] Operation: 8+21=29 Exploring Operation: 16-8=8, Resulting Numbers: [38, 21, 8] Generated Node #0,3: 35:[38, 21, 8] Operation: 16-8=8 Exploring Operation: 21-16=5, Resulting Numbers: [38, 8, 5] Generated Node #0,4: 35:[38, 8, 5] Operation: 21-16=5 Moving to Node #0,4 Current State: 35:[38, 8, 5], Operations: ['21-16=5'] Exploring Operation: 8-5=3, Resulting Numbers: [38, 3] Generated Node #0,4,0: 35:[38, 3] Operation: 8-5=3 Exploring Operation: 38+5=43, Resulting Numbers: [8, 43] Generated Node #0,4,1: 35:[8, 43] Operation: 38+5=43 Exploring Operation: 38-8=30, Resulting Numbers: [5, 30] Generated Node #0,4,2: 35:[5, 30] Operation: 38-8=30 Exploring Operation: 38-5=33, Resulting Numbers: [8, 33] Generated Node #0,4,3: 35:[8, 33] Operation: 38-5=33 Exploring Operation: 8*5=40, Resulting Numbers: [38, 40] Generated Node #0,4,4: 35:[38, 40] Operation: 8*5=40 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 35:[8, 33], Operations: ['21-16=5', '38-5=33'] Exploring Operation: 8+33=41, Resulting Numbers: [41] 41,35 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,35 unequal: No Solution Exploring Operation: 8*33=264, Resulting Numbers: [264] 264,35 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: 35:[38, 3], Operations: ['21-16=5', '8-5=3'] Exploring Operation: 38+3=41, Resulting Numbers: [41] 41,35 unequal: No Solution Exploring Operation: 38*3=114, Resulting Numbers: [114] 114,35 unequal: No Solution Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[38, 16, 8, 21], Operations: [] Exploring Operation: 21-16=5, Resulting Numbers: [38, 8, 5] Generated Node #0,4: 35:[38, 8, 5] Operation: 21-16=5 Moving to Node #0,4 Current State: 35:[38, 8, 5], Operations: ['21-16=5'] Exploring Operation: 8-5=3, Resulting Numbers: [38, 3] Generated Node #0,4,0: 35:[38, 3] Operation: 8-5=3 Moving to Node #0,4,0 Current State: 35:[38, 3], Operations: ['21-16=5', '8-5=3'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 63, 82, 7, 86 ]
14
[ "63-7=56", "86-82=4", "56/4=14" ]
Current State: 14:[63, 82, 7, 86], Operations: [] Exploring Operation: 63-7=56, Resulting Numbers: [82, 86, 56] Generated Node #2: [82, 86, 56] from Operation: 63-7=56 Current State: 14:[82, 86, 56], Operations: ['63-7=56'] Exploring Operation: 86-82=4, Resulting Numbers: [56, 4] Generated Node #3: [56, 4] from Operation: 86-82=4 Current State: 14:[56, 4], Operations: ['63-7=56', '86-82=4'] Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[63, 82, 7, 86], Operations: [] Exploring Operation: 82-63=19, Resulting Numbers: [7, 86, 19] Generated Node #0,0: 14:[7, 86, 19] Operation: 82-63=19 Exploring Operation: 86-82=4, Resulting Numbers: [63, 7, 4] Generated Node #0,1: 14:[63, 7, 4] Operation: 86-82=4 Moving to Node #0,1 Current State: 14:[63, 7, 4], Operations: ['86-82=4'] Exploring Operation: 63/7=9, Resulting Numbers: [4, 9] Generated Node #0,1,0: 14:[4, 9] Operation: 63/7=9 Exploring Operation: 63-7=56, Resulting Numbers: [4, 56] Generated Node #0,1,1: 14:[4, 56] Operation: 63-7=56 Moving to Node #0,0 Current State: 14:[7, 86, 19], Operations: ['82-63=19'] Exploring Operation: 86-7=79, Resulting Numbers: [19, 79] Generated Node #0,0,0: 14:[19, 79] Operation: 86-7=79 Exploring Operation: 86-19=67, Resulting Numbers: [7, 67] Generated Node #0,0,1: 14:[7, 67] Operation: 86-19=67 Moving to Node #0,1,0 Current State: 14:[4, 9], Operations: ['86-82=4', '63/7=9'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,14 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[4, 56], Operations: ['86-82=4', '63-7=56'] Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,14 unequal: No Solution Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[63, 82, 7, 86], Operations: [] Exploring Operation: 86-82=4, Resulting Numbers: [63, 7, 4] Generated Node #0,1: 14:[63, 7, 4] Operation: 86-82=4 Moving to Node #0,1 Current State: 14:[63, 7, 4], Operations: ['86-82=4'] Exploring Operation: 63-7=56, Resulting Numbers: [4, 56] Generated Node #0,1,1: 14:[4, 56] Operation: 63-7=56 Moving to Node #0,1,1 Current State: 14:[4, 56], Operations: ['86-82=4', '63-7=56'] Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
0.987847
hs_2
mult_heuristic
[ 25, 84, 93, 68 ]
34
[ "84-25=59", "93-68=25", "59-25=34" ]
Current State: 34:[25, 84, 93, 68], Operations: [] Exploring Operation: 84-25=59, Resulting Numbers: [93, 68, 59] Generated Node #2: [93, 68, 59] from Operation: 84-25=59 Current State: 34:[93, 68, 59], Operations: ['84-25=59'] Exploring Operation: 93-68=25, Resulting Numbers: [59, 25] Generated Node #3: [59, 25] from Operation: 93-68=25 Current State: 34:[59, 25], Operations: ['84-25=59', '93-68=25'] Exploring Operation: 59-25=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[25, 84, 93, 68], Operations: [] Exploring Operation: 93-84=9, Resulting Numbers: [25, 68, 9] Generated Node #0,0: 34:[25, 68, 9] Operation: 93-84=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[25, 68, 9], Operations: ['93-84=9'] Exploring Operation: 68-25=43, Resulting Numbers: [9, 43] Generated Node #0,0,0: 34:[9, 43] Operation: 68-25=43 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[9, 43], Operations: ['93-84=9', '68-25=43'] Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[25, 84, 93, 68], Operations: [] Exploring Operation: 93-84=9, Resulting Numbers: [25, 68, 9] Generated Node #0,0: 34:[25, 68, 9] Operation: 93-84=9 Moving to Node #0,0 Current State: 34:[25, 68, 9], Operations: ['93-84=9'] Exploring Operation: 68-25=43, Resulting Numbers: [9, 43] Generated Node #0,0,0: 34:[9, 43] Operation: 68-25=43 Moving to Node #0,0,0 Current State: 34:[9, 43], Operations: ['93-84=9', '68-25=43'] Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 47, 17, 26, 85 ]
83
[ "85/17=5", "26*5=130", "130-47=83" ]
Current State: 83:[47, 17, 26, 85], Operations: [] Exploring Operation: 85/17=5, Resulting Numbers: [47, 26, 5] Generated Node #2: [47, 26, 5] from Operation: 85/17=5 Current State: 83:[47, 26, 5], Operations: ['85/17=5'] Exploring Operation: 26*5=130, Resulting Numbers: [47, 130] Generated Node #3: [47, 130] from Operation: 26*5=130 Current State: 83:[47, 130], Operations: ['85/17=5', '26*5=130'] Exploring Operation: 130-47=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[47, 17, 26, 85], Operations: [] Exploring Operation: 17+26=43, Resulting Numbers: [47, 85, 43] Generated Node #0,0: 83:[47, 85, 43] Operation: 17+26=43 Exploring Operation: 47+26=73, Resulting Numbers: [17, 85, 73] Generated Node #0,1: 83:[17, 85, 73] Operation: 47+26=73 Exploring Operation: 47+17=64, Resulting Numbers: [26, 85, 64] Generated Node #0,2: 83:[26, 85, 64] Operation: 47+17=64 Moving to Node #0,0 Current State: 83:[47, 85, 43], Operations: ['17+26=43'] Exploring Operation: 85-43=42, Resulting Numbers: [47, 42] Generated Node #0,0,0: 83:[47, 42] Operation: 85-43=42 Exploring Operation: 47-43=4, Resulting Numbers: [85, 4] Generated Node #0,0,1: 83:[85, 4] Operation: 47-43=4 Exploring Operation: 47+43=90, Resulting Numbers: [85, 90] Generated Node #0,0,2: 83:[85, 90] Operation: 47+43=90 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 83:[85, 90], Operations: ['17+26=43', '47+43=90'] Exploring Operation: 85*90=7650, Resulting Numbers: [7650] 7650,83 unequal: No Solution Exploring Operation: 85+90=175, Resulting Numbers: [175] 175,83 unequal: No Solution Exploring Operation: 90-85=5, Resulting Numbers: [5] 5,83 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 #0,0,0 Current State: 83:[47, 42], Operations: ['17+26=43', '85-43=42'] Exploring Operation: 47+42=89, Resulting Numbers: [89] 89,83 unequal: No Solution Exploring Operation: 47-42=5, Resulting Numbers: [5] 5,83 unequal: No Solution Exploring Operation: 47*42=1974, Resulting Numbers: [1974] 1974,83 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 #0,0,1 Current State: 83:[85, 4], Operations: ['17+26=43', '47-43=4'] Exploring Operation: 85+4=89, Resulting Numbers: [89] 89,83 unequal: No Solution Exploring Operation: 85-4=81, Resulting Numbers: [81] 81,83 unequal: No Solution Exploring Operation: 85*4=340, Resulting Numbers: [340] 340,83 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: 83:[17, 85, 73], Operations: ['47+26=73'] Exploring Operation: 17+73=90, Resulting Numbers: [85, 90] Generated Node #0,1,0: 83:[85, 90] Operation: 17+73=90 Exploring Operation: 17+85=102, Resulting Numbers: [73, 102] Generated Node #0,1,1: 83:[73, 102] Operation: 17+85=102 Exploring Operation: 85-17=68, Resulting Numbers: [73, 68] Generated Node #0,1,2: 83:[73, 68] Operation: 85-17=68 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 83:[85, 90], Operations: ['47+26=73', '17+73=90'] Exploring Operation: 85*90=7650, Resulting Numbers: [7650] 7650,83 unequal: No Solution Exploring Operation: 90-85=5, Resulting Numbers: [5] 5,83 unequal: No Solution Exploring Operation: 85+90=175, Resulting Numbers: [175] 175,83 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 #0,1,2 Current State: 83:[73, 68], Operations: ['47+26=73', '85-17=68'] Exploring Operation: 73-68=5, Resulting Numbers: [5] 5,83 unequal: No Solution Exploring Operation: 73*68=4964, Resulting Numbers: [4964] 4964,83 unequal: No Solution Exploring Operation: 73+68=141, Resulting Numbers: [141] 141,83 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 #0,1,1 Current State: 83:[73, 102], Operations: ['47+26=73', '17+85=102'] Exploring Operation: 73+102=175, Resulting Numbers: [175] 175,83 unequal: No Solution Exploring Operation: 102-73=29, Resulting Numbers: [29] 29,83 unequal: No Solution Exploring Operation: 73*102=7446, Resulting Numbers: [7446] 7446,83 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: 83:[26, 85, 64], Operations: ['47+17=64'] Exploring Operation: 26+85=111, Resulting Numbers: [64, 111] Generated Node #0,2,0: 83:[64, 111] Operation: 26+85=111 Exploring Operation: 26+64=90, Resulting Numbers: [85, 90] Generated Node #0,2,1: 83:[85, 90] Operation: 26+64=90 Exploring Operation: 85-26=59, Resulting Numbers: [64, 59] Generated Node #0,2,2: 83:[64, 59] Operation: 85-26=59 Moving to Node #0,2,1 Current State: 83:[85, 90], Operations: ['47+17=64', '26+64=90'] Exploring Operation: 85*90=7650, Resulting Numbers: [7650] 7650,83 unequal: No Solution Exploring Operation: 85+90=175, Resulting Numbers: [175] 175,83 unequal: No Solution Exploring Operation: 90-85=5, Resulting Numbers: [5] 5,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[64, 59], Operations: ['47+17=64', '85-26=59'] Exploring Operation: 64-59=5, Resulting Numbers: [5] 5,83 unequal: No Solution Exploring Operation: 64+59=123, Resulting Numbers: [123] 123,83 unequal: No Solution Exploring Operation: 64*59=3776, Resulting Numbers: [3776] 3776,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[64, 111], Operations: ['47+17=64', '26+85=111'] Exploring Operation: 64+111=175, Resulting Numbers: [175] 175,83 unequal: No Solution Exploring Operation: 111-64=47, Resulting Numbers: [47] 47,83 unequal: No Solution Exploring Operation: 64*111=7104, Resulting Numbers: [7104] 7104,83 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 90, 3, 5, 82 ]
55
[ "90+3=93", "93-82=11", "5*11=55" ]
Current State: 55:[90, 3, 5, 82], Operations: [] Exploring Operation: 90+3=93, Resulting Numbers: [5, 82, 93] Generated Node #2: [5, 82, 93] from Operation: 90+3=93 Current State: 55:[5, 82, 93], Operations: ['90+3=93'] Exploring Operation: 93-82=11, Resulting Numbers: [5, 11] Generated Node #3: [5, 11] from Operation: 93-82=11 Current State: 55:[5, 11], Operations: ['90+3=93', '93-82=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[90, 3, 5, 82], Operations: [] Exploring Operation: 90-3=87, Resulting Numbers: [5, 82, 87] Generated Node #0,0: 55:[5, 82, 87] Operation: 90-3=87 Exploring Operation: 90/5=18, Resulting Numbers: [3, 82, 18] Generated Node #0,1: 55:[3, 82, 18] Operation: 90/5=18 Exploring Operation: 90/3=30, Resulting Numbers: [5, 82, 30] Generated Node #0,2: 55:[5, 82, 30] Operation: 90/3=30 Exploring Operation: 90-5=85, Resulting Numbers: [3, 82, 85] Generated Node #0,3: 55:[3, 82, 85] Operation: 90-5=85 Exploring Operation: 90-82=8, Resulting Numbers: [3, 5, 8] Generated Node #0,4: 55:[3, 5, 8] Operation: 90-82=8 Moving to Node #0,4 Current State: 55:[3, 5, 8], Operations: ['90-82=8'] Exploring Operation: 8-5=3, Resulting Numbers: [3, 3] Generated Node #0,4,0: 55:[3, 3] Operation: 8-5=3 Exploring Operation: 5+8=13, Resulting Numbers: [3, 13] Generated Node #0,4,1: 55:[3, 13] Operation: 5+8=13 Exploring Operation: 3+8=11, Resulting Numbers: [5, 11] Generated Node #0,4,2: 55:[5, 11] Operation: 3+8=11 Exploring Operation: 3+5=8, Resulting Numbers: [8, 8] Generated Node #0,4,3: 55:[8, 8] Operation: 3+5=8 Exploring Operation: 8-3=5, Resulting Numbers: [5, 5] Generated Node #0,4,4: 55:[5, 5] Operation: 8-3=5 Moving to Node #0,1 Current State: 55:[3, 82, 18], Operations: ['90/5=18'] Exploring Operation: 3*18=54, Resulting Numbers: [82, 54] Generated Node #0,1,0: 55:[82, 54] Operation: 3*18=54 Exploring Operation: 82-3=79, Resulting Numbers: [18, 79] Generated Node #0,1,1: 55:[18, 79] Operation: 82-3=79 Exploring Operation: 18/3=6, Resulting Numbers: [82, 6] Generated Node #0,1,2: 55:[82, 6] Operation: 18/3=6 Exploring Operation: 82-18=64, Resulting Numbers: [3, 64] Generated Node #0,1,3: 55:[3, 64] Operation: 82-18=64 Exploring Operation: 18-3=15, Resulting Numbers: [82, 15] Generated Node #0,1,4: 55:[82, 15] Operation: 18-3=15 Moving to Node #0,2 Current State: 55:[5, 82, 30], Operations: ['90/3=30'] Exploring Operation: 82-5=77, Resulting Numbers: [30, 77] Generated Node #0,2,0: 55:[30, 77] Operation: 82-5=77 Exploring Operation: 5+30=35, Resulting Numbers: [82, 35] Generated Node #0,2,1: 55:[82, 35] Operation: 5+30=35 Exploring Operation: 82-30=52, Resulting Numbers: [5, 52] Generated Node #0,2,2: 55:[5, 52] Operation: 82-30=52 Exploring Operation: 30/5=6, Resulting Numbers: [82, 6] Generated Node #0,2,3: 55:[82, 6] Operation: 30/5=6 Exploring Operation: 30-5=25, Resulting Numbers: [82, 25] Generated Node #0,2,4: 55:[82, 25] Operation: 30-5=25 Moving to Node #0,0 Current State: 55:[5, 82, 87], Operations: ['90-3=87'] Exploring Operation: 5+87=92, Resulting Numbers: [82, 92] Generated Node #0,0,0: 55:[82, 92] Operation: 5+87=92 Exploring Operation: 87-5=82, Resulting Numbers: [82, 82] Generated Node #0,0,1: 55:[82, 82] Operation: 87-5=82 Exploring Operation: 87-82=5, Resulting Numbers: [5, 5] Generated Node #0,0,2: 55:[5, 5] Operation: 87-82=5 Exploring Operation: 5+82=87, Resulting Numbers: [87, 87] Generated Node #0,0,3: 55:[87, 87] Operation: 5+82=87 Exploring Operation: 82-5=77, Resulting Numbers: [87, 77] Generated Node #0,0,4: 55:[87, 77] Operation: 82-5=77 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 55:[5, 5], Operations: ['90-3=87', '87-82=5'] Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 5-5=0, Resulting Numbers: [0] 0,55 unequal: No Solution Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,55 unequal: No Solution Exploring Operation: 5*5=25, Resulting Numbers: [25] 25,55 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 #0,0,1 Current State: 55:[82, 82], Operations: ['90-3=87', '87-5=82'] Exploring Operation: 82*82=6724, Resulting Numbers: [6724] 6724,55 unequal: No Solution Exploring Operation: 82/82=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 82-82=0, Resulting Numbers: [0] 0,55 unequal: No Solution Exploring Operation: 82+82=164, Resulting Numbers: [164] 164,55 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 #0,0,4 Current State: 55:[87, 77], Operations: ['90-3=87', '82-5=77'] Exploring Operation: 87*77=6699, Resulting Numbers: [6699] 6699,55 unequal: No Solution Exploring Operation: 87-77=10, Resulting Numbers: [10] 10,55 unequal: No Solution Exploring Operation: 87+77=164, Resulting Numbers: [164] 164,55 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 #0,0,0 Current State: 55:[82, 92], Operations: ['90-3=87', '5+87=92'] Exploring Operation: 82*92=7544, Resulting Numbers: [7544] 7544,55 unequal: No Solution Exploring Operation: 82+92=174, Resulting Numbers: [174] 174,55 unequal: No Solution Exploring Operation: 92-82=10, Resulting Numbers: [10] 10,55 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 #0,0,3 Current State: 55:[87, 87], Operations: ['90-3=87', '5+82=87'] Exploring Operation: 87-87=0, Resulting Numbers: [0] 0,55 unequal: No Solution Exploring Operation: 87+87=174, Resulting Numbers: [174] 174,55 unequal: No Solution Exploring Operation: 87*87=7569, Resulting Numbers: [7569] 7569,55 unequal: No Solution Exploring Operation: 87/87=1, Resulting Numbers: [1] 1,55 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: 55:[3, 82, 85], Operations: ['90-5=85'] Exploring Operation: 3+82=85, Resulting Numbers: [85, 85] Generated Node #0,3,0: 55:[85, 85] Operation: 3+82=85 Exploring Operation: 3+85=88, Resulting Numbers: [82, 88] Generated Node #0,3,1: 55:[82, 88] Operation: 3+85=88 Exploring Operation: 82-3=79, Resulting Numbers: [85, 79] Generated Node #0,3,2: 55:[85, 79] Operation: 82-3=79 Exploring Operation: 85-3=82, Resulting Numbers: [82, 82] Generated Node #0,3,3: 55:[82, 82] Operation: 85-3=82 Exploring Operation: 85-82=3, Resulting Numbers: [3, 3] Generated Node #0,3,4: 55:[3, 3] Operation: 85-82=3 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 55:[3, 3], Operations: ['90-5=85', '85-82=3'] Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,55 unequal: No Solution Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,55 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,55 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 #0,3,2 Current State: 55:[85, 79], Operations: ['90-5=85', '82-3=79'] Exploring Operation: 85+79=164, Resulting Numbers: [164] 164,55 unequal: No Solution Exploring Operation: 85-79=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 85*79=6715, Resulting Numbers: [6715] 6715,55 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 #0,3,3 Current State: 55:[82, 82], Operations: ['90-5=85', '85-3=82'] Exploring Operation: 82/82=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 82*82=6724, Resulting Numbers: [6724] 6724,55 unequal: No Solution Exploring Operation: 82-82=0, Resulting Numbers: [0] 0,55 unequal: No Solution Exploring Operation: 82+82=164, Resulting Numbers: [164] 164,55 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 #0,3,0 Current State: 55:[85, 85], Operations: ['90-5=85', '3+82=85'] Exploring Operation: 85*85=7225, Resulting Numbers: [7225] 7225,55 unequal: No Solution Exploring Operation: 85/85=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 85-85=0, Resulting Numbers: [0] 0,55 unequal: No Solution Exploring Operation: 85+85=170, Resulting Numbers: [170] 170,55 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 #0,3,1 Current State: 55:[82, 88], Operations: ['90-5=85', '3+85=88'] Exploring Operation: 88-82=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 82*88=7216, Resulting Numbers: [7216] 7216,55 unequal: No Solution Exploring Operation: 82+88=170, Resulting Numbers: [170] 170,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,2 Current State: 55:[5, 11], Operations: ['90-82=8', '3+8=11'] Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,55 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[90, 3, 5, 82], Operations: [] Exploring Operation: 90-82=8, Resulting Numbers: [3, 5, 8] Generated Node #0,4: 55:[3, 5, 8] Operation: 90-82=8 Moving to Node #0,4 Current State: 55:[3, 5, 8], Operations: ['90-82=8'] Exploring Operation: 3+8=11, Resulting Numbers: [5, 11] Generated Node #0,4,2: 55:[5, 11] Operation: 3+8=11 Moving to Node #0,4,2 Current State: 55:[5, 11], Operations: ['90-82=8', '3+8=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
0.936632
hs_5
mult_heuristic
[ 63, 61, 38, 67 ]
58
[ "63-61=2", "67-38=29", "2*29=58" ]
Current State: 58:[63, 61, 38, 67], Operations: [] Exploring Operation: 63-61=2, Resulting Numbers: [38, 67, 2] Generated Node #2: [38, 67, 2] from Operation: 63-61=2 Current State: 58:[38, 67, 2], Operations: ['63-61=2'] Exploring Operation: 67-38=29, Resulting Numbers: [2, 29] Generated Node #3: [2, 29] from Operation: 67-38=29 Current State: 58:[2, 29], Operations: ['63-61=2', '67-38=29'] Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[63, 61, 38, 67], Operations: [] Exploring Operation: 63-38=25, Resulting Numbers: [61, 67, 25] Generated Node #0,0: 58:[61, 67, 25] Operation: 63-38=25 Exploring Operation: 67-63=4, Resulting Numbers: [61, 38, 4] Generated Node #0,1: 58:[61, 38, 4] Operation: 67-63=4 Exploring Operation: 63-61=2, Resulting Numbers: [38, 67, 2] Generated Node #0,2: 58:[38, 67, 2] Operation: 63-61=2 Exploring Operation: 67-38=29, Resulting Numbers: [63, 61, 29] Generated Node #0,3: 58:[63, 61, 29] Operation: 67-38=29 Exploring Operation: 67-61=6, Resulting Numbers: [63, 38, 6] Generated Node #0,4: 58:[63, 38, 6] Operation: 67-61=6 Start Sub Search at level 1: Moving to Node #0,3 Current State: 58:[63, 61, 29], Operations: ['67-38=29'] Exploring Operation: 61-29=32, Resulting Numbers: [63, 32] Generated Node #0,3,0: 58:[63, 32] Operation: 61-29=32 Exploring Operation: 63-61=2, Resulting Numbers: [29, 2] Generated Node #0,3,1: 58:[29, 2] Operation: 63-61=2 Exploring Operation: 63+29=92, Resulting Numbers: [61, 92] Generated Node #0,3,2: 58:[61, 92] Operation: 63+29=92 Exploring Operation: 63-29=34, Resulting Numbers: [61, 34] Generated Node #0,3,3: 58:[61, 34] Operation: 63-29=34 Exploring Operation: 61+29=90, Resulting Numbers: [63, 90] Generated Node #0,3,4: 58:[63, 90] Operation: 61+29=90 Moving to Node #0,3,1 Current State: 58:[29, 2], Operations: ['67-38=29', '63-61=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,58 unequal: No Solution Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[63, 61, 38, 67], Operations: [] Exploring Operation: 67-38=29, Resulting Numbers: [63, 61, 29] Generated Node #0,3: 58:[63, 61, 29] Operation: 67-38=29 Moving to Node #0,3 Current State: 58:[63, 61, 29], Operations: ['67-38=29'] Exploring Operation: 63-61=2, Resulting Numbers: [29, 2] Generated Node #0,3,1: 58:[29, 2] Operation: 63-61=2 Moving to Node #0,3,1 Current State: 58:[29, 2], Operations: ['67-38=29', '63-61=2'] Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 74, 31, 29, 26 ]
98
[ "74-31=43", "29+26=55", "43+55=98" ]
Current State: 98:[74, 31, 29, 26], Operations: [] Exploring Operation: 74-31=43, Resulting Numbers: [29, 26, 43] Generated Node #2: [29, 26, 43] from Operation: 74-31=43 Current State: 98:[29, 26, 43], Operations: ['74-31=43'] Exploring Operation: 29+26=55, Resulting Numbers: [43, 55] Generated Node #3: [43, 55] from Operation: 29+26=55 Current State: 98:[43, 55], Operations: ['74-31=43', '29+26=55'] Exploring Operation: 43+55=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[74, 31, 29, 26], Operations: [] Exploring Operation: 74-29=45, Resulting Numbers: [31, 26, 45] Generated Node #0,0: 98:[31, 26, 45] Operation: 74-29=45 Exploring Operation: 74-31=43, Resulting Numbers: [29, 26, 43] Generated Node #0,1: 98:[29, 26, 43] Operation: 74-31=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[31, 26, 45], Operations: ['74-29=45'] Exploring Operation: 31-26=5, Resulting Numbers: [45, 5] Generated Node #0,0,0: 98:[45, 5] Operation: 31-26=5 Exploring Operation: 31+26=57, Resulting Numbers: [45, 57] Generated Node #0,0,1: 98:[45, 57] Operation: 31+26=57 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[45, 5], Operations: ['74-29=45', '31-26=5'] Exploring Operation: 45+5=50, Resulting Numbers: [50] 50,98 unequal: No Solution Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,98 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: 98:[45, 57], Operations: ['74-29=45', '31+26=57'] Exploring Operation: 45+57=102, Resulting Numbers: [102] 102,98 unequal: No Solution Exploring Operation: 57-45=12, Resulting Numbers: [12] 12,98 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: 98:[29, 26, 43], Operations: ['74-31=43'] Exploring Operation: 29+26=55, Resulting Numbers: [43, 55] Generated Node #0,1,0: 98:[43, 55] Operation: 29+26=55 Exploring Operation: 29-26=3, Resulting Numbers: [43, 3] Generated Node #0,1,1: 98:[43, 3] Operation: 29-26=3 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[43, 3], Operations: ['74-31=43', '29-26=3'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,98 unequal: No Solution Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,98 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: 98:[43, 55], Operations: ['74-31=43', '29+26=55'] Exploring Operation: 55-43=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 43+55=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[74, 31, 29, 26], Operations: [] Exploring Operation: 74-31=43, Resulting Numbers: [29, 26, 43] Generated Node #0,1: 98:[29, 26, 43] Operation: 74-31=43 Moving to Node #0,1 Current State: 98:[29, 26, 43], Operations: ['74-31=43'] Exploring Operation: 29+26=55, Resulting Numbers: [43, 55] Generated Node #0,1,0: 98:[43, 55] Operation: 29+26=55 Moving to Node #0,1,0 Current State: 98:[43, 55], Operations: ['74-31=43', '29+26=55'] Exploring Operation: 43+55=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 16, 93, 21, 61 ]
19
[ "93-61=32", "32/16=2", "21-2=19" ]
Current State: 19:[16, 93, 21, 61], Operations: [] Exploring Operation: 93-61=32, Resulting Numbers: [16, 21, 32] Generated Node #2: [16, 21, 32] from Operation: 93-61=32 Current State: 19:[16, 21, 32], Operations: ['93-61=32'] Exploring Operation: 32/16=2, Resulting Numbers: [21, 2] Generated Node #3: [21, 2] from Operation: 32/16=2 Current State: 19:[21, 2], Operations: ['93-61=32', '32/16=2'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[16, 93, 21, 61], Operations: [] Exploring Operation: 93-61=32, Resulting Numbers: [16, 21, 32] Generated Node #0,0: 19:[16, 21, 32] Operation: 93-61=32 Exploring Operation: 93-21=72, Resulting Numbers: [16, 61, 72] Generated Node #0,1: 19:[16, 61, 72] Operation: 93-21=72 Moving to Node #0,0 Current State: 19:[16, 21, 32], Operations: ['93-61=32'] Exploring Operation: 32-21=11, Resulting Numbers: [16, 11] Generated Node #0,0,0: 19:[16, 11] Operation: 32-21=11 Exploring Operation: 32-16=16, Resulting Numbers: [21, 16] Generated Node #0,0,1: 19:[21, 16] Operation: 32-16=16 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[21, 16], Operations: ['93-61=32', '32-16=16'] Exploring Operation: 21+16=37, Resulting Numbers: [37] 37,19 unequal: No Solution Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,19 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:[16, 11], Operations: ['93-61=32', '32-21=11'] Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,19 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: 19:[16, 61, 72], Operations: ['93-21=72'] Exploring Operation: 72-61=11, Resulting Numbers: [16, 11] Generated Node #0,1,0: 19:[16, 11] Operation: 72-61=11 Exploring Operation: 61-16=45, Resulting Numbers: [72, 45] Generated Node #0,1,1: 19:[72, 45] Operation: 61-16=45 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 19:[16, 11], Operations: ['93-21=72', '72-61=11'] Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,19 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 #0,1,1 Current State: 19:[72, 45], Operations: ['93-21=72', '61-16=45'] Exploring Operation: 72-45=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 72+45=117, Resulting Numbers: [117] 117,19 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
[ 71, 23, 10, 67 ]
60
[ "71+67=138", "138/23=6", "10*6=60" ]
Current State: 60:[71, 23, 10, 67], Operations: [] Exploring Operation: 71+67=138, Resulting Numbers: [23, 10, 138] Generated Node #2: [23, 10, 138] from Operation: 71+67=138 Current State: 60:[23, 10, 138], Operations: ['71+67=138'] Exploring Operation: 138/23=6, Resulting Numbers: [10, 6] Generated Node #3: [10, 6] from Operation: 138/23=6 Current State: 60:[10, 6], Operations: ['71+67=138', '138/23=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[71, 23, 10, 67], Operations: [] Exploring Operation: 71-23=48, Resulting Numbers: [10, 67, 48] Generated Node #0,0: 60:[10, 67, 48] Operation: 71-23=48 Exploring Operation: 71-67=4, Resulting Numbers: [23, 10, 4] Generated Node #0,1: 60:[23, 10, 4] Operation: 71-67=4 Exploring Operation: 23-10=13, Resulting Numbers: [71, 67, 13] Generated Node #0,2: 60:[71, 67, 13] Operation: 23-10=13 Exploring Operation: 67-10=57, Resulting Numbers: [71, 23, 57] Generated Node #0,3: 60:[71, 23, 57] Operation: 67-10=57 Exploring Operation: 71-10=61, Resulting Numbers: [23, 67, 61] Generated Node #0,4: 60:[23, 67, 61] Operation: 71-10=61 Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[23, 10, 4], Operations: ['71-67=4'] Exploring Operation: 23-4=19, Resulting Numbers: [10, 19] Generated Node #0,1,0: 60:[10, 19] Operation: 23-4=19 Exploring Operation: 23+4=27, Resulting Numbers: [10, 27] Generated Node #0,1,1: 60:[10, 27] Operation: 23+4=27 Exploring Operation: 23+10=33, Resulting Numbers: [4, 33] Generated Node #0,1,2: 60:[4, 33] Operation: 23+10=33 Exploring Operation: 10-4=6, Resulting Numbers: [23, 6] Generated Node #0,1,3: 60:[23, 6] Operation: 10-4=6 Exploring Operation: 23-10=13, Resulting Numbers: [4, 13] Generated Node #0,1,4: 60:[4, 13] Operation: 23-10=13 Moving to Node #0,1,0 Current State: 60:[10, 19], Operations: ['71-67=4', '23-4=19'] Exploring Operation: 10*19=190, Resulting Numbers: [190] 190,60 unequal: No Solution Exploring Operation: 10+19=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,60 unequal: No Solution Moving to Node #0,1,4 Current State: 60:[4, 13], Operations: ['71-67=4', '23-10=13'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,60 unequal: No Solution Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,60 unequal: No Solution Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[10, 27], Operations: ['71-67=4', '23+4=27'] Exploring Operation: 10*27=270, Resulting Numbers: [270] 270,60 unequal: No Solution Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,60 unequal: No Solution Exploring Operation: 10+27=37, Resulting Numbers: [37] 37,60 unequal: No Solution Moving to Node #0,1,2 Current State: 60:[4, 33], Operations: ['71-67=4', '23+10=33'] Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 4*33=132, Resulting Numbers: [132] 132,60 unequal: No Solution Exploring Operation: 4+33=37, Resulting Numbers: [37] 37,60 unequal: No Solution Moving to Node #0,1,3 Current State: 60:[23, 6], Operations: ['71-67=4', '10-4=6'] Exploring Operation: 23*6=138, Resulting Numbers: [138] 138,60 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,60 unequal: No Solution Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,60 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: 60:[23, 67, 61], Operations: ['71-10=61'] Exploring Operation: 23+67=90, Resulting Numbers: [61, 90] Generated Node #0,4,0: 60:[61, 90] Operation: 23+67=90 Exploring Operation: 61-23=38, Resulting Numbers: [67, 38] Generated Node #0,4,1: 60:[67, 38] Operation: 61-23=38 Exploring Operation: 23+61=84, Resulting Numbers: [67, 84] Generated Node #0,4,2: 60:[67, 84] Operation: 23+61=84 Exploring Operation: 67-61=6, Resulting Numbers: [23, 6] Generated Node #0,4,3: 60:[23, 6] Operation: 67-61=6 Exploring Operation: 67-23=44, Resulting Numbers: [61, 44] Generated Node #0,4,4: 60:[61, 44] Operation: 67-23=44 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 60:[23, 6], Operations: ['71-10=61', '67-61=6'] Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,60 unequal: No Solution Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 23*6=138, Resulting Numbers: [138] 138,60 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: 60:[67, 38], Operations: ['71-10=61', '61-23=38'] Exploring Operation: 67+38=105, Resulting Numbers: [105] 105,60 unequal: No Solution Exploring Operation: 67-38=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 67*38=2546, Resulting Numbers: [2546] 2546,60 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: 60:[61, 44], Operations: ['71-10=61', '67-23=44'] Exploring Operation: 61+44=105, Resulting Numbers: [105] 105,60 unequal: No Solution Exploring Operation: 61*44=2684, Resulting Numbers: [2684] 2684,60 unequal: No Solution Exploring Operation: 61-44=17, Resulting Numbers: [17] 17,60 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: 60:[61, 90], Operations: ['71-10=61', '23+67=90'] Exploring Operation: 61+90=151, Resulting Numbers: [151] 151,60 unequal: No Solution Exploring Operation: 90-61=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 61*90=5490, Resulting Numbers: [5490] 5490,60 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: 60:[67, 84], Operations: ['71-10=61', '23+61=84'] Exploring Operation: 67+84=151, Resulting Numbers: [151] 151,60 unequal: No Solution Exploring Operation: 67*84=5628, Resulting Numbers: [5628] 5628,60 unequal: No Solution Exploring Operation: 84-67=17, Resulting Numbers: [17] 17,60 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: 60:[71, 23, 57], Operations: ['67-10=57'] Exploring Operation: 57-23=34, Resulting Numbers: [71, 34] Generated Node #0,3,0: 60:[71, 34] Operation: 57-23=34 Exploring Operation: 71-57=14, Resulting Numbers: [23, 14] Generated Node #0,3,1: 60:[23, 14] Operation: 71-57=14 Exploring Operation: 23+57=80, Resulting Numbers: [71, 80] Generated Node #0,3,2: 60:[71, 80] Operation: 23+57=80 Exploring Operation: 71+23=94, Resulting Numbers: [57, 94] Generated Node #0,3,3: 60:[57, 94] Operation: 71+23=94 Exploring Operation: 71-23=48, Resulting Numbers: [57, 48] Generated Node #0,3,4: 60:[57, 48] Operation: 71-23=48 Moving to Node #0,3,1 Current State: 60:[23, 14], Operations: ['67-10=57', '71-57=14'] Exploring Operation: 23+14=37, Resulting Numbers: [37] 37,60 unequal: No Solution Exploring Operation: 23*14=322, Resulting Numbers: [322] 322,60 unequal: No Solution Exploring Operation: 23-14=9, Resulting Numbers: [9] 9,60 unequal: No Solution Moving to Node #0,3,4 Current State: 60:[57, 48], Operations: ['67-10=57', '71-23=48'] Exploring Operation: 57*48=2736, Resulting Numbers: [2736] 2736,60 unequal: No Solution Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,60 unequal: No Solution Exploring Operation: 57+48=105, Resulting Numbers: [105] 105,60 unequal: No Solution Moving to Node #0,3,0 Current State: 60:[71, 34], Operations: ['67-10=57', '57-23=34'] Exploring Operation: 71*34=2414, Resulting Numbers: [2414] 2414,60 unequal: No Solution Exploring Operation: 71-34=37, Resulting Numbers: [37] 37,60 unequal: No Solution Exploring Operation: 71+34=105, Resulting Numbers: [105] 105,60 unequal: No Solution Moving to Node #0,3,2 Current State: 60:[71, 80], Operations: ['67-10=57', '23+57=80'] Exploring Operation: 71*80=5680, Resulting Numbers: [5680] 5680,60 unequal: No Solution Exploring Operation: 80-71=9, Resulting Numbers: [9] 9,60 unequal: No Solution Exploring Operation: 71+80=151, Resulting Numbers: [151] 151,60 unequal: No Solution Moving to Node #0,3,3 Current State: 60:[57, 94], Operations: ['67-10=57', '71+23=94'] Exploring Operation: 57+94=151, Resulting Numbers: [151] 151,60 unequal: No Solution Exploring Operation: 94-57=37, Resulting Numbers: [37] 37,60 unequal: No Solution Exploring Operation: 57*94=5358, Resulting Numbers: [5358] 5358,60 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: 60:[10, 67, 48], Operations: ['71-23=48'] Exploring Operation: 10+48=58, Resulting Numbers: [67, 58] Generated Node #0,0,0: 60:[67, 58] Operation: 10+48=58 Exploring Operation: 67-48=19, Resulting Numbers: [10, 19] Generated Node #0,0,1: 60:[10, 19] Operation: 67-48=19 Exploring Operation: 48-10=38, Resulting Numbers: [67, 38] Generated Node #0,0,2: 60:[67, 38] Operation: 48-10=38 Exploring Operation: 67-10=57, Resulting Numbers: [48, 57] Generated Node #0,0,3: 60:[48, 57] Operation: 67-10=57 Exploring Operation: 10+67=77, Resulting Numbers: [48, 77] Generated Node #0,0,4: 60:[48, 77] Operation: 10+67=77 Moving to Node #0,0,1 Current State: 60:[10, 19], Operations: ['71-23=48', '67-48=19'] Exploring Operation: 10*19=190, Resulting Numbers: [190] 190,60 unequal: No Solution Exploring Operation: 10+19=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[67, 58], Operations: ['71-23=48', '10+48=58'] Exploring Operation: 67-58=9, Resulting Numbers: [9] 9,60 unequal: No Solution Exploring Operation: 67+58=125, Resulting Numbers: [125] 125,60 unequal: No Solution Exploring Operation: 67*58=3886, Resulting Numbers: [3886] 3886,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[67, 38], Operations: ['71-23=48', '48-10=38'] Exploring Operation: 67*38=2546, Resulting Numbers: [2546] 2546,60 unequal: No Solution Exploring Operation: 67+38=105, Resulting Numbers: [105] 105,60 unequal: No Solution Exploring Operation: 67-38=29, Resulting Numbers: [29] 29,60 unequal: No Solution Moving to Node #0,0,3 Current State: 60:[48, 57], Operations: ['71-23=48', '67-10=57'] Exploring Operation: 48*57=2736, Resulting Numbers: [2736] 2736,60 unequal: No Solution Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,60 unequal: No Solution Exploring Operation: 48+57=105, Resulting Numbers: [105] 105,60 unequal: No Solution Moving to Node #0,0,4 Current State: 60:[48, 77], Operations: ['71-23=48', '10+67=77'] Exploring Operation: 48+77=125, Resulting Numbers: [125] 125,60 unequal: No Solution Exploring Operation: 48*77=3696, Resulting Numbers: [3696] 3696,60 unequal: No Solution Exploring Operation: 77-48=29, Resulting Numbers: [29] 29,60 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: 60:[71, 67, 13], Operations: ['23-10=13'] Exploring Operation: 71-67=4, Resulting Numbers: [13, 4] Generated Node #0,2,0: 60:[13, 4] Operation: 71-67=4 Exploring Operation: 71+13=84, Resulting Numbers: [67, 84] Generated Node #0,2,1: 60:[67, 84] Operation: 71+13=84 Exploring Operation: 67-13=54, Resulting Numbers: [71, 54] Generated Node #0,2,2: 60:[71, 54] Operation: 67-13=54 Exploring Operation: 67+13=80, Resulting Numbers: [71, 80] Generated Node #0,2,3: 60:[71, 80] Operation: 67+13=80 Exploring Operation: 71-13=58, Resulting Numbers: [67, 58] Generated Node #0,2,4: 60:[67, 58] Operation: 71-13=58 Moving to Node #0,2,0 Current State: 60:[13, 4], Operations: ['23-10=13', '71-67=4'] Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,60 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,60 unequal: No Solution Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,60 unequal: No Solution Moving to Node #0,2,4 Current State: 60:[67, 58], Operations: ['23-10=13', '71-13=58'] Exploring Operation: 67-58=9, Resulting Numbers: [9] 9,60 unequal: No Solution Exploring Operation: 67+58=125, Resulting Numbers: [125] 125,60 unequal: No Solution Exploring Operation: 67*58=3886, Resulting Numbers: [3886] 3886,60 unequal: No Solution Moving to Node #0,2,2 Current State: 60:[71, 54], Operations: ['23-10=13', '67-13=54'] Exploring Operation: 71*54=3834, Resulting Numbers: [3834] 3834,60 unequal: No Solution Exploring Operation: 71+54=125, Resulting Numbers: [125] 125,60 unequal: No Solution Exploring Operation: 71-54=17, Resulting Numbers: [17] 17,60 unequal: No Solution Moving to Node #0,2,1 Current State: 60:[67, 84], Operations: ['23-10=13', '71+13=84'] Exploring Operation: 84-67=17, Resulting Numbers: [17] 17,60 unequal: No Solution Exploring Operation: 67+84=151, Resulting Numbers: [151] 151,60 unequal: No Solution Exploring Operation: 67*84=5628, Resulting Numbers: [5628] 5628,60 unequal: No Solution Moving to Node #0,2,3 Current State: 60:[71, 80], Operations: ['23-10=13', '67+13=80'] Exploring Operation: 71*80=5680, Resulting Numbers: [5680] 5680,60 unequal: No Solution Exploring Operation: 71+80=151, Resulting Numbers: [151] 151,60 unequal: No Solution Exploring Operation: 80-71=9, Resulting Numbers: [9] 9,60 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
[ 47, 61, 26, 65 ]
53
[ "61-47=14", "65-26=39", "14+39=53" ]
Current State: 53:[47, 61, 26, 65], Operations: [] Exploring Operation: 61-47=14, Resulting Numbers: [26, 65, 14] Generated Node #2: [26, 65, 14] from Operation: 61-47=14 Current State: 53:[26, 65, 14], Operations: ['61-47=14'] Exploring Operation: 65-26=39, Resulting Numbers: [14, 39] Generated Node #3: [14, 39] from Operation: 65-26=39 Current State: 53:[14, 39], Operations: ['61-47=14', '65-26=39'] Exploring Operation: 14+39=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[47, 61, 26, 65], Operations: [] Exploring Operation: 61+26=87, Resulting Numbers: [47, 65, 87] Generated Node #0,0: 53:[47, 65, 87] Operation: 61+26=87 Exploring Operation: 61-26=35, Resulting Numbers: [47, 65, 35] Generated Node #0,1: 53:[47, 65, 35] Operation: 61-26=35 Exploring Operation: 47-26=21, Resulting Numbers: [61, 65, 21] Generated Node #0,2: 53:[61, 65, 21] Operation: 47-26=21 Exploring Operation: 47+26=73, Resulting Numbers: [61, 65, 73] Generated Node #0,3: 53:[61, 65, 73] Operation: 47+26=73 Exploring Operation: 65-26=39, Resulting Numbers: [47, 61, 39] Generated Node #0,4: 53:[47, 61, 39] Operation: 65-26=39 Start Sub Search at level 1: Moving to Node #0,4 Current State: 53:[47, 61, 39], Operations: ['65-26=39'] Exploring Operation: 61+39=100, Resulting Numbers: [47, 100] Generated Node #0,4,0: 53:[47, 100] Operation: 61+39=100 Exploring Operation: 47-39=8, Resulting Numbers: [61, 8] Generated Node #0,4,1: 53:[61, 8] Operation: 47-39=8 Exploring Operation: 47+39=86, Resulting Numbers: [61, 86] Generated Node #0,4,2: 53:[61, 86] Operation: 47+39=86 Exploring Operation: 61-47=14, Resulting Numbers: [39, 14] Generated Node #0,4,3: 53:[39, 14] Operation: 61-47=14 Exploring Operation: 61-39=22, Resulting Numbers: [47, 22] Generated Node #0,4,4: 53:[47, 22] Operation: 61-39=22 Moving to Node #0,4,4 Current State: 53:[47, 22], Operations: ['65-26=39', '61-39=22'] Exploring Operation: 47*22=1034, Resulting Numbers: [1034] 1034,53 unequal: No Solution Exploring Operation: 47+22=69, Resulting Numbers: [69] 69,53 unequal: No Solution Exploring Operation: 47-22=25, Resulting Numbers: [25] 25,53 unequal: No Solution Moving to Node #0,4,2 Current State: 53:[61, 86], Operations: ['65-26=39', '47+39=86'] Exploring Operation: 61+86=147, Resulting Numbers: [147] 147,53 unequal: No Solution Exploring Operation: 86-61=25, Resulting Numbers: [25] 25,53 unequal: No Solution Exploring Operation: 61*86=5246, Resulting Numbers: [5246] 5246,53 unequal: No Solution Moving to Node #0,4,0 Current State: 53:[47, 100], Operations: ['65-26=39', '61+39=100'] Exploring Operation: 100-47=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[47, 61, 26, 65], Operations: [] Exploring Operation: 65-26=39, Resulting Numbers: [47, 61, 39] Generated Node #0,4: 53:[47, 61, 39] Operation: 65-26=39 Moving to Node #0,4 Current State: 53:[47, 61, 39], Operations: ['65-26=39'] Exploring Operation: 61+39=100, Resulting Numbers: [47, 100] Generated Node #0,4,0: 53:[47, 100] Operation: 61+39=100 Moving to Node #0,4,0 Current State: 53:[47, 100], Operations: ['65-26=39', '61+39=100'] Exploring Operation: 100-47=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 9, 15, 47, 37 ]
78
[ "15-9=6", "47+37=84", "84-6=78" ]
Current State: 78:[9, 15, 47, 37], Operations: [] Exploring Operation: 15-9=6, Resulting Numbers: [47, 37, 6] Generated Node #2: [47, 37, 6] from Operation: 15-9=6 Current State: 78:[47, 37, 6], Operations: ['15-9=6'] Exploring Operation: 47+37=84, Resulting Numbers: [6, 84] Generated Node #3: [6, 84] from Operation: 47+37=84 Current State: 78:[6, 84], Operations: ['15-9=6', '47+37=84'] Exploring Operation: 84-6=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[9, 15, 47, 37], Operations: [] Exploring Operation: 47-9=38, Resulting Numbers: [15, 37, 38] Generated Node #0,0: 78:[15, 37, 38] Operation: 47-9=38 Exploring Operation: 15-9=6, Resulting Numbers: [47, 37, 6] Generated Node #0,1: 78:[47, 37, 6] Operation: 15-9=6 Exploring Operation: 47-37=10, Resulting Numbers: [9, 15, 10] Generated Node #0,2: 78:[9, 15, 10] Operation: 47-37=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[15, 37, 38], Operations: ['47-9=38'] Exploring Operation: 38-15=23, Resulting Numbers: [37, 23] Generated Node #0,0,0: 78:[37, 23] Operation: 38-15=23 Exploring Operation: 37-15=22, Resulting Numbers: [38, 22] Generated Node #0,0,1: 78:[38, 22] Operation: 37-15=22 Exploring Operation: 38-37=1, Resulting Numbers: [15, 1] Generated Node #0,0,2: 78:[15, 1] Operation: 38-37=1 Moving to Node #0,0,2 Current State: 78:[15, 1], Operations: ['47-9=38', '38-37=1'] Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,78 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,78 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,78 unequal: No Solution Moving to Node #0,0,0 Current State: 78:[37, 23], Operations: ['47-9=38', '38-15=23'] Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,78 unequal: No Solution Exploring Operation: 37*23=851, Resulting Numbers: [851] 851,78 unequal: No Solution Exploring Operation: 37+23=60, Resulting Numbers: [60] 60,78 unequal: No Solution Moving to Node #0,0,1 Current State: 78:[38, 22], Operations: ['47-9=38', '37-15=22'] Exploring Operation: 38+22=60, Resulting Numbers: [60] 60,78 unequal: No Solution Exploring Operation: 38*22=836, Resulting Numbers: [836] 836,78 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,78 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: 78:[9, 15, 10], Operations: ['47-37=10'] Exploring Operation: 15-9=6, Resulting Numbers: [10, 6] Generated Node #0,2,0: 78:[10, 6] Operation: 15-9=6 Exploring Operation: 15+10=25, Resulting Numbers: [9, 25] Generated Node #0,2,1: 78:[9, 25] Operation: 15+10=25 Exploring Operation: 10-9=1, Resulting Numbers: [15, 1] Generated Node #0,2,2: 78:[15, 1] Operation: 10-9=1 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 78:[10, 6], Operations: ['47-37=10', '15-9=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,78 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,78 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,78 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: 78:[15, 1], Operations: ['47-37=10', '10-9=1'] Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,78 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,78 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,78 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: 78:[9, 25], Operations: ['47-37=10', '15+10=25'] Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,78 unequal: No Solution Exploring Operation: 9+25=34, Resulting Numbers: [34] 34,78 unequal: No Solution Exploring Operation: 9*25=225, Resulting Numbers: [225] 225,78 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: 78:[47, 37, 6], Operations: ['15-9=6'] Exploring Operation: 47-6=41, Resulting Numbers: [37, 41] Generated Node #0,1,0: 78:[37, 41] Operation: 47-6=41 Exploring Operation: 47+37=84, Resulting Numbers: [6, 84] Generated Node #0,1,1: 78:[6, 84] Operation: 47+37=84 Exploring Operation: 47-37=10, Resulting Numbers: [6, 10] Generated Node #0,1,2: 78:[6, 10] Operation: 47-37=10 Moving to Node #0,1,2 Current State: 78:[6, 10], Operations: ['15-9=6', '47-37=10'] Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,78 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,78 unequal: No Solution Moving to Node #0,1,0 Current State: 78:[37, 41], Operations: ['15-9=6', '47-6=41'] Exploring Operation: 41-37=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 37+41=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[9, 15, 47, 37], Operations: [] Exploring Operation: 15-9=6, Resulting Numbers: [47, 37, 6] Generated Node #0,1: 78:[47, 37, 6] Operation: 15-9=6 Moving to Node #0,1 Current State: 78:[47, 37, 6], Operations: ['15-9=6'] Exploring Operation: 47-6=41, Resulting Numbers: [37, 41] Generated Node #0,1,0: 78:[37, 41] Operation: 47-6=41 Moving to Node #0,1,0 Current State: 78:[37, 41], Operations: ['15-9=6', '47-6=41'] Exploring Operation: 37+41=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_3
sum_heuristic
[ 45, 98, 87, 40 ]
74
[ "98-45=53", "87+40=127", "127-53=74" ]
Current State: 74:[45, 98, 87, 40], Operations: [] Exploring Operation: 98-45=53, Resulting Numbers: [87, 40, 53] Generated Node #2: [87, 40, 53] from Operation: 98-45=53 Current State: 74:[87, 40, 53], Operations: ['98-45=53'] Exploring Operation: 87+40=127, Resulting Numbers: [53, 127] Generated Node #3: [53, 127] from Operation: 87+40=127 Current State: 74:[53, 127], Operations: ['98-45=53', '87+40=127'] Exploring Operation: 127-53=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[45, 98, 87, 40], Operations: [] Exploring Operation: 87-45=42, Resulting Numbers: [98, 40, 42] Generated Node #0,0: 74:[98, 40, 42] Operation: 87-45=42 Exploring Operation: 98-45=53, Resulting Numbers: [87, 40, 53] Generated Node #0,1: 74:[87, 40, 53] Operation: 98-45=53 Exploring Operation: 98-40=58, Resulting Numbers: [45, 87, 58] Generated Node #0,2: 74:[45, 87, 58] Operation: 98-40=58 Exploring Operation: 98-87=11, Resulting Numbers: [45, 40, 11] Generated Node #0,3: 74:[45, 40, 11] Operation: 98-87=11 Exploring Operation: 45-40=5, Resulting Numbers: [98, 87, 5] Generated Node #0,4: 74:[98, 87, 5] Operation: 45-40=5 Moving to Node #0,3 Current State: 74:[45, 40, 11], Operations: ['98-87=11'] Exploring Operation: 45+11=56, Resulting Numbers: [40, 56] Generated Node #0,3,0: 74:[40, 56] Operation: 45+11=56 Exploring Operation: 40-11=29, Resulting Numbers: [45, 29] Generated Node #0,3,1: 74:[45, 29] Operation: 40-11=29 Exploring Operation: 45+40=85, Resulting Numbers: [11, 85] Generated Node #0,3,2: 74:[11, 85] Operation: 45+40=85 Exploring Operation: 45-40=5, Resulting Numbers: [11, 5] Generated Node #0,3,3: 74:[11, 5] Operation: 45-40=5 Exploring Operation: 45-11=34, Resulting Numbers: [40, 34] Generated Node #0,3,4: 74:[40, 34] Operation: 45-11=34 Moving to Node #0,1 Current State: 74:[87, 40, 53], Operations: ['98-45=53'] Exploring Operation: 87+40=127, Resulting Numbers: [53, 127] Generated Node #0,1,0: 74:[53, 127] Operation: 87+40=127 Exploring Operation: 53-40=13, Resulting Numbers: [87, 13] Generated Node #0,1,1: 74:[87, 13] Operation: 53-40=13 Exploring Operation: 40+53=93, Resulting Numbers: [87, 93] Generated Node #0,1,2: 74:[87, 93] Operation: 40+53=93 Exploring Operation: 87-53=34, Resulting Numbers: [40, 34] Generated Node #0,1,3: 74:[40, 34] Operation: 87-53=34 Exploring Operation: 87-40=47, Resulting Numbers: [53, 47] Generated Node #0,1,4: 74:[53, 47] Operation: 87-40=47 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 74:[40, 34], Operations: ['98-45=53', '87-53=34'] Exploring Operation: 40-34=6, Resulting Numbers: [6] 6,74 unequal: No Solution Exploring Operation: 40*34=1360, Resulting Numbers: [1360] 1360,74 unequal: No Solution Exploring Operation: 40+34=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[45, 98, 87, 40], Operations: [] Exploring Operation: 98-45=53, Resulting Numbers: [87, 40, 53] Generated Node #0,1: 74:[87, 40, 53] Operation: 98-45=53 Moving to Node #0,1 Current State: 74:[87, 40, 53], Operations: ['98-45=53'] Exploring Operation: 87-53=34, Resulting Numbers: [40, 34] Generated Node #0,1,3: 74:[40, 34] Operation: 87-53=34 Moving to Node #0,1,3 Current State: 74:[40, 34], Operations: ['98-45=53', '87-53=34'] Exploring Operation: 40+34=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 34, 50, 32, 1 ]
50
[ "34-32=2", "2-1=1", "50*1=50" ]
Current State: 50:[34, 50, 32, 1], Operations: [] Exploring Operation: 34-32=2, Resulting Numbers: [50, 1, 2] Generated Node #2: [50, 1, 2] from Operation: 34-32=2 Current State: 50:[50, 1, 2], Operations: ['34-32=2'] Exploring Operation: 2-1=1, Resulting Numbers: [50, 1] Generated Node #3: [50, 1] from Operation: 2-1=1 Current State: 50:[50, 1], Operations: ['34-32=2', '2-1=1'] Exploring Operation: 50*1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[34, 50, 32, 1], Operations: [] Exploring Operation: 34-32=2, Resulting Numbers: [50, 1, 2] Generated Node #0,0: 50:[50, 1, 2] Operation: 34-32=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[50, 1, 2], Operations: ['34-32=2'] Exploring Operation: 50*1=50, Resulting Numbers: [2, 50] Generated Node #0,0,0: 50:[2, 50] Operation: 50*1=50 Moving to Node #0,0,0 Current State: 50:[2, 50], Operations: ['34-32=2', '50*1=50'] Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,50 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, 30, 20, 53 ]
68
[ "10*30=300", "300/20=15", "53+15=68" ]
Current State: 68:[10, 30, 20, 53], Operations: [] Exploring Operation: 10*30=300, Resulting Numbers: [20, 53, 300] Generated Node #2: [20, 53, 300] from Operation: 10*30=300 Current State: 68:[20, 53, 300], Operations: ['10*30=300'] Exploring Operation: 300/20=15, Resulting Numbers: [53, 15] Generated Node #3: [53, 15] from Operation: 300/20=15 Current State: 68:[53, 15], Operations: ['10*30=300', '300/20=15'] Exploring Operation: 53+15=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[10, 30, 20, 53], Operations: [] Exploring Operation: 20+53=73, Resulting Numbers: [10, 30, 73] Generated Node #0,0: 68:[10, 30, 73] Operation: 20+53=73 Exploring Operation: 53-20=33, Resulting Numbers: [10, 30, 33] Generated Node #0,1: 68:[10, 30, 33] Operation: 53-20=33 Exploring Operation: 10+53=63, Resulting Numbers: [30, 20, 63] Generated Node #0,2: 68:[30, 20, 63] Operation: 10+53=63 Exploring Operation: 53-10=43, Resulting Numbers: [30, 20, 43] Generated Node #0,3: 68:[30, 20, 43] Operation: 53-10=43 Exploring Operation: 53-30=23, Resulting Numbers: [10, 20, 23] Generated Node #0,4: 68:[10, 20, 23] Operation: 53-30=23 Moving to Node #0,1 Current State: 68:[10, 30, 33], Operations: ['53-20=33'] Exploring Operation: 30/10=3, Resulting Numbers: [33, 3] Generated Node #0,1,0: 68:[33, 3] Operation: 30/10=3 Exploring Operation: 30-10=20, Resulting Numbers: [33, 20] Generated Node #0,1,1: 68:[33, 20] Operation: 30-10=20 Exploring Operation: 33-30=3, Resulting Numbers: [10, 3] Generated Node #0,1,2: 68:[10, 3] Operation: 33-30=3 Exploring Operation: 10+30=40, Resulting Numbers: [33, 40] Generated Node #0,1,3: 68:[33, 40] Operation: 10+30=40 Exploring Operation: 33-10=23, Resulting Numbers: [30, 23] Generated Node #0,1,4: 68:[30, 23] Operation: 33-10=23 Moving to Node #0,2 Current State: 68:[30, 20, 63], Operations: ['10+53=63'] Exploring Operation: 30+20=50, Resulting Numbers: [63, 50] Generated Node #0,2,0: 68:[63, 50] Operation: 30+20=50 Exploring Operation: 63-20=43, Resulting Numbers: [30, 43] Generated Node #0,2,1: 68:[30, 43] Operation: 63-20=43 Exploring Operation: 30-20=10, Resulting Numbers: [63, 10] Generated Node #0,2,2: 68:[63, 10] Operation: 30-20=10 Exploring Operation: 20+63=83, Resulting Numbers: [30, 83] Generated Node #0,2,3: 68:[30, 83] Operation: 20+63=83 Exploring Operation: 63-30=33, Resulting Numbers: [20, 33] Generated Node #0,2,4: 68:[20, 33] Operation: 63-30=33 Moving to Node #0,0 Current State: 68:[10, 30, 73], Operations: ['20+53=73'] Exploring Operation: 30-10=20, Resulting Numbers: [73, 20] Generated Node #0,0,0: 68:[73, 20] Operation: 30-10=20 Exploring Operation: 30/10=3, Resulting Numbers: [73, 3] Generated Node #0,0,1: 68:[73, 3] Operation: 30/10=3 Exploring Operation: 73-10=63, Resulting Numbers: [30, 63] Generated Node #0,0,2: 68:[30, 63] Operation: 73-10=63 Exploring Operation: 10+30=40, Resulting Numbers: [73, 40] Generated Node #0,0,3: 68:[73, 40] Operation: 10+30=40 Exploring Operation: 73-30=43, Resulting Numbers: [10, 43] Generated Node #0,0,4: 68:[10, 43] Operation: 73-30=43 Moving to Node #0,4 Current State: 68:[10, 20, 23], Operations: ['53-30=23'] Exploring Operation: 23-10=13, Resulting Numbers: [20, 13] Generated Node #0,4,0: 68:[20, 13] Operation: 23-10=13 Exploring Operation: 20/10=2, Resulting Numbers: [23, 2] Generated Node #0,4,1: 68:[23, 2] Operation: 20/10=2 Exploring Operation: 23-20=3, Resulting Numbers: [10, 3] Generated Node #0,4,2: 68:[10, 3] Operation: 23-20=3 Exploring Operation: 10+23=33, Resulting Numbers: [20, 33] Generated Node #0,4,3: 68:[20, 33] Operation: 10+23=33 Exploring Operation: 10+20=30, Resulting Numbers: [23, 30] Generated Node #0,4,4: 68:[23, 30] Operation: 10+20=30 Moving to Node #0,3 Current State: 68:[30, 20, 43], Operations: ['53-10=43'] Exploring Operation: 20+43=63, Resulting Numbers: [30, 63] Generated Node #0,3,0: 68:[30, 63] Operation: 20+43=63 Exploring Operation: 30+43=73, Resulting Numbers: [20, 73] Generated Node #0,3,1: 68:[20, 73] Operation: 30+43=73 Exploring Operation: 30-20=10, Resulting Numbers: [43, 10] Generated Node #0,3,2: 68:[43, 10] Operation: 30-20=10 Exploring Operation: 43-20=23, Resulting Numbers: [30, 23] Generated Node #0,3,3: 68:[30, 23] Operation: 43-20=23 Exploring Operation: 43-30=13, Resulting Numbers: [20, 13] Generated Node #0,3,4: 68:[20, 13] Operation: 43-30=13 Moving to Node #0,1,0 Current State: 68:[33, 3], Operations: ['53-20=33', '30/10=3'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,68 unequal: No Solution Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,68 unequal: No Solution Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,68 unequal: No Solution Moving to Node #0,2,4 Current State: 68:[20, 33], Operations: ['10+53=63', '63-30=33'] Exploring Operation: 20*33=660, Resulting Numbers: [660] 660,68 unequal: No Solution Exploring Operation: 20+33=53, Resulting Numbers: [53] 53,68 unequal: No Solution Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[33, 20], Operations: ['53-20=33', '30-10=20'] Exploring Operation: 33+20=53, Resulting Numbers: [53] 53,68 unequal: No Solution Exploring Operation: 33*20=660, Resulting Numbers: [660] 660,68 unequal: No Solution Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,68 unequal: No Solution Moving to Node #0,4,3 Current State: 68:[20, 33], Operations: ['53-30=23', '10+23=33'] Exploring Operation: 20*33=660, Resulting Numbers: [660] 660,68 unequal: No Solution Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,68 unequal: No Solution Exploring Operation: 20+33=53, Resulting Numbers: [53] 53,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[73, 3], Operations: ['20+53=73', '30/10=3'] Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,68 unequal: No Solution Exploring Operation: 73*3=219, Resulting Numbers: [219] 219,68 unequal: No Solution Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,68 unequal: No Solution Moving to Node #0,4,1 Current State: 68:[23, 2], Operations: ['53-30=23', '20/10=2'] Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,68 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,68 unequal: No Solution Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,68 unequal: No Solution Moving to Node #0,1,2 Current State: 68:[10, 3], Operations: ['53-20=33', '33-30=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,68 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,68 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,68 unequal: No Solution Moving to Node #0,3,4 Current State: 68:[20, 13], Operations: ['53-10=43', '43-30=13'] Exploring Operation: 20*13=260, Resulting Numbers: [260] 260,68 unequal: No Solution Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,68 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,68 unequal: No Solution Moving to Node #0,4,0 Current State: 68:[20, 13], Operations: ['53-30=23', '23-10=13'] Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,68 unequal: No Solution Exploring Operation: 20*13=260, Resulting Numbers: [260] 260,68 unequal: No Solution Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,68 unequal: No Solution Moving to Node #0,4,2 Current State: 68:[10, 3], Operations: ['53-30=23', '23-20=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,68 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,68 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,68 unequal: No Solution Moving to Node #0,1,3 Current State: 68:[33, 40], Operations: ['53-20=33', '10+30=40'] Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,68 unequal: No Solution Exploring Operation: 33*40=1320, Resulting Numbers: [1320] 1320,68 unequal: No Solution Exploring Operation: 33+40=73, Resulting Numbers: [73] 73,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[73, 20], Operations: ['20+53=73', '30-10=20'] Exploring Operation: 73*20=1460, Resulting Numbers: [1460] 1460,68 unequal: No Solution Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,68 unequal: No Solution Exploring Operation: 73+20=93, Resulting Numbers: [93] 93,68 unequal: No Solution Moving to Node #0,3,1 Current State: 68:[20, 73], Operations: ['53-10=43', '30+43=73'] Exploring Operation: 20*73=1460, Resulting Numbers: [1460] 1460,68 unequal: No Solution Exploring Operation: 20+73=93, Resulting Numbers: [93] 93,68 unequal: No Solution Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,68 unequal: No Solution Moving to Node #0,0,2 Current State: 68:[30, 63], Operations: ['20+53=73', '73-10=63'] Exploring Operation: 30*63=1890, Resulting Numbers: [1890] 1890,68 unequal: No Solution Exploring Operation: 30+63=93, Resulting Numbers: [93] 93,68 unequal: No Solution Exploring Operation: 63-30=33, Resulting Numbers: [33] 33,68 unequal: No Solution Moving to Node #0,3,0 Current State: 68:[30, 63], Operations: ['53-10=43', '20+43=63'] Exploring Operation: 30+63=93, Resulting Numbers: [93] 93,68 unequal: No Solution Exploring Operation: 30*63=1890, Resulting Numbers: [1890] 1890,68 unequal: No Solution Exploring Operation: 63-30=33, Resulting Numbers: [33] 33,68 unequal: No Solution Moving to Node #0,3,3 Current State: 68:[30, 23], Operations: ['53-10=43', '43-20=23'] Exploring Operation: 30+23=53, Resulting Numbers: [53] 53,68 unequal: No Solution Exploring Operation: 30*23=690, Resulting Numbers: [690] 690,68 unequal: No Solution Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,68 unequal: No Solution Moving to Node #0,4,4 Current State: 68:[23, 30], Operations: ['53-30=23', '10+20=30'] Exploring Operation: 23*30=690, Resulting Numbers: [690] 690,68 unequal: No Solution Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,68 unequal: No Solution Exploring Operation: 23+30=53, Resulting Numbers: [53] 53,68 unequal: No Solution Moving to Node #0,1,4 Current State: 68:[30, 23], Operations: ['53-20=33', '33-10=23'] Exploring Operation: 30+23=53, Resulting Numbers: [53] 53,68 unequal: No Solution Exploring Operation: 30*23=690, Resulting Numbers: [690] 690,68 unequal: No Solution Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,68 unequal: No Solution Moving to Node #0,2,2 Current State: 68:[63, 10], Operations: ['10+53=63', '30-20=10'] Exploring Operation: 63-10=53, Resulting Numbers: [53] 53,68 unequal: No Solution Exploring Operation: 63+10=73, Resulting Numbers: [73] 73,68 unequal: No Solution Exploring Operation: 63*10=630, Resulting Numbers: [630] 630,68 unequal: No Solution Moving to Node #0,0,3 Current State: 68:[73, 40], Operations: ['20+53=73', '10+30=40'] Exploring Operation: 73*40=2920, Resulting Numbers: [2920] 2920,68 unequal: No Solution Exploring Operation: 73-40=33, Resulting Numbers: [33] 33,68 unequal: No Solution Exploring Operation: 73+40=113, Resulting Numbers: [113] 113,68 unequal: No Solution Moving to Node #0,2,1 Current State: 68:[30, 43], Operations: ['10+53=63', '63-20=43'] Exploring Operation: 30+43=73, Resulting Numbers: [73] 73,68 unequal: No Solution Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,68 unequal: No Solution Exploring Operation: 30*43=1290, Resulting Numbers: [1290] 1290,68 unequal: No Solution Moving to Node #0,0,4 Current State: 68:[10, 43], Operations: ['20+53=73', '73-30=43'] Exploring Operation: 10+43=53, Resulting Numbers: [53] 53,68 unequal: No Solution Exploring Operation: 10*43=430, Resulting Numbers: [430] 430,68 unequal: No Solution Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,68 unequal: No Solution Moving to Node #0,3,2 Current State: 68:[43, 10], Operations: ['53-10=43', '30-20=10'] Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,68 unequal: No Solution Exploring Operation: 43+10=53, Resulting Numbers: [53] 53,68 unequal: No Solution Exploring Operation: 43*10=430, Resulting Numbers: [430] 430,68 unequal: No Solution Moving to Node #0,2,3 Current State: 68:[30, 83], Operations: ['10+53=63', '20+63=83'] Exploring Operation: 30+83=113, Resulting Numbers: [113] 113,68 unequal: No Solution Exploring Operation: 30*83=2490, Resulting Numbers: [2490] 2490,68 unequal: No Solution Exploring Operation: 83-30=53, Resulting Numbers: [53] 53,68 unequal: No Solution Moving to Node #0,2,0 Current State: 68:[63, 50], Operations: ['10+53=63', '30+20=50'] Exploring Operation: 63*50=3150, Resulting Numbers: [3150] 3150,68 unequal: No Solution Exploring Operation: 63+50=113, Resulting Numbers: [113] 113,68 unequal: No Solution Exploring Operation: 63-50=13, Resulting Numbers: [13] 13,68 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 34, 95, 16, 97 ]
20
[ "95-34=61", "97-16=81", "81-61=20" ]
Current State: 20:[34, 95, 16, 97], Operations: [] Exploring Operation: 95-34=61, Resulting Numbers: [16, 97, 61] Generated Node #2: [16, 97, 61] from Operation: 95-34=61 Current State: 20:[16, 97, 61], Operations: ['95-34=61'] Exploring Operation: 97-16=81, Resulting Numbers: [61, 81] Generated Node #3: [61, 81] from Operation: 97-16=81 Current State: 20:[61, 81], Operations: ['95-34=61', '97-16=81'] Exploring Operation: 81-61=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[34, 95, 16, 97], Operations: [] Exploring Operation: 95-34=61, Resulting Numbers: [16, 97, 61] Generated Node #0,0: 20:[16, 97, 61] Operation: 95-34=61 Exploring Operation: 97-95=2, Resulting Numbers: [34, 16, 2] Generated Node #0,1: 20:[34, 16, 2] Operation: 97-95=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[34, 16, 2], Operations: ['97-95=2'] Exploring Operation: 34/2=17, Resulting Numbers: [16, 17] Generated Node #0,1,0: 20:[16, 17] Operation: 34/2=17 Exploring Operation: 34-16=18, Resulting Numbers: [2, 18] Generated Node #0,1,1: 20:[2, 18] Operation: 34-16=18 Moving to Node #0,1,1 Current State: 20:[2, 18], Operations: ['97-95=2', '34-16=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[34, 95, 16, 97], Operations: [] Exploring Operation: 97-95=2, Resulting Numbers: [34, 16, 2] Generated Node #0,1: 20:[34, 16, 2] Operation: 97-95=2 Moving to Node #0,1 Current State: 20:[34, 16, 2], Operations: ['97-95=2'] Exploring Operation: 34-16=18, Resulting Numbers: [2, 18] Generated Node #0,1,1: 20:[2, 18] Operation: 34-16=18 Moving to Node #0,1,1 Current State: 20:[2, 18], Operations: ['97-95=2', '34-16=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 66, 18, 6, 32 ]
74
[ "66-18=48", "32-6=26", "48+26=74" ]
Current State: 74:[66, 18, 6, 32], Operations: [] Exploring Operation: 66-18=48, Resulting Numbers: [6, 32, 48] Generated Node #2: [6, 32, 48] from Operation: 66-18=48 Current State: 74:[6, 32, 48], Operations: ['66-18=48'] Exploring Operation: 32-6=26, Resulting Numbers: [48, 26] Generated Node #3: [48, 26] from Operation: 32-6=26 Current State: 74:[48, 26], Operations: ['66-18=48', '32-6=26'] Exploring Operation: 48+26=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[66, 18, 6, 32], Operations: [] Exploring Operation: 18/6=3, Resulting Numbers: [66, 32, 3] Generated Node #0,0: 74:[66, 32, 3] Operation: 18/6=3 Moving to Node #0,0 Current State: 74:[66, 32, 3], Operations: ['18/6=3'] Exploring Operation: 66-32=34, Resulting Numbers: [3, 34] Generated Node #0,0,0: 74:[3, 34] Operation: 66-32=34 Moving to Node #0,0,0 Current State: 74:[3, 34], Operations: ['18/6=3', '66-32=34'] Exploring Operation: 3+34=37, Resulting Numbers: [37] 37,74 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 84, 33, 99, 33 ]
17
[ "84-33=51", "99/33=3", "51/3=17" ]
Current State: 17:[84, 33, 99, 33], Operations: [] Exploring Operation: 84-33=51, Resulting Numbers: [99, 51] Generated Node #2: [99, 51] from Operation: 84-33=51 Current State: 17:[99, 51], Operations: ['84-33=51'] Exploring Operation: 99/33=3, Resulting Numbers: [51, 3] Generated Node #3: [51, 3] from Operation: 99/33=3 Current State: 17:[51, 3], Operations: ['84-33=51', '99/33=3'] Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[84, 33, 99, 33], Operations: [] Exploring Operation: 99/33=3, Resulting Numbers: [84, 33, 3] Generated Node #0,0: 17:[84, 33, 3] Operation: 99/33=3 Exploring Operation: 84-33=51, Resulting Numbers: [33, 99, 51] Generated Node #0,1: 17:[33, 99, 51] Operation: 84-33=51 Exploring Operation: 99/33=3, Resulting Numbers: [84, 33, 3] Generated Node #0,2: 17:[84, 33, 3] Operation: 99/33=3 Exploring Operation: 99-84=15, Resulting Numbers: [33, 33, 15] Generated Node #0,3: 17:[33, 33, 15] Operation: 99-84=15 Exploring Operation: 84-33=51, Resulting Numbers: [99, 33, 51] Generated Node #0,4: 17:[99, 33, 51] Operation: 84-33=51 Start Sub Search at level 1: Moving to Node #0,3 Current State: 17:[33, 33, 15], Operations: ['99-84=15'] Exploring Operation: 33/33=1, Resulting Numbers: [15, 1] Generated Node #0,3,0: 17:[15, 1] Operation: 33/33=1 Exploring Operation: 33-15=18, Resulting Numbers: [33, 18] Generated Node #0,3,1: 17:[33, 18] Operation: 33-15=18 Exploring Operation: 33+15=48, Resulting Numbers: [33, 48] Generated Node #0,3,2: 17:[33, 48] Operation: 33+15=48 Exploring Operation: 33-15=18, Resulting Numbers: [33, 18] Generated Node #0,3,3: 17:[33, 18] Operation: 33-15=18 Exploring Operation: 33-33=0, Resulting Numbers: [15, 0] Generated Node #0,3,4: 17:[15, 0] Operation: 33-33=0 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 17:[33, 18], Operations: ['99-84=15', '33-15=18'] Exploring Operation: 33+18=51, Resulting Numbers: [51] 51,17 unequal: No Solution Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,17 unequal: No Solution Exploring Operation: 33*18=594, Resulting Numbers: [594] 594,17 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: 17:[33, 18], Operations: ['99-84=15', '33-15=18'] Exploring Operation: 33+18=51, Resulting Numbers: [51] 51,17 unequal: No Solution Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,17 unequal: No Solution Exploring Operation: 33*18=594, Resulting Numbers: [594] 594,17 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: 17:[15, 1], Operations: ['99-84=15', '33/33=1'] Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,17 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,17 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,17 unequal: No Solution Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,17 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: 17:[15, 0], Operations: ['99-84=15', '33-33=0'] Exploring Operation: 15-0=15, Resulting Numbers: [15] 15,17 unequal: No Solution Exploring Operation: 15+0=15, Resulting Numbers: [15] 15,17 unequal: No Solution Exploring Operation: 15*0=0, Resulting Numbers: [0] 0,17 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: 17:[33, 48], Operations: ['99-84=15', '33+15=48'] Exploring Operation: 33+48=81, Resulting Numbers: [81] 81,17 unequal: No Solution Exploring Operation: 48-33=15, Resulting Numbers: [15] 15,17 unequal: No Solution Exploring Operation: 33*48=1584, Resulting Numbers: [1584] 1584,17 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: 17:[84, 33, 3], Operations: ['99/33=3'] Exploring Operation: 33/3=11, Resulting Numbers: [84, 11] Generated Node #0,0,0: 17:[84, 11] Operation: 33/3=11 Exploring Operation: 84-3=81, Resulting Numbers: [33, 81] Generated Node #0,0,1: 17:[33, 81] Operation: 84-3=81 Exploring Operation: 84/3=28, Resulting Numbers: [33, 28] Generated Node #0,0,2: 17:[33, 28] Operation: 84/3=28 Exploring Operation: 33-3=30, Resulting Numbers: [84, 30] Generated Node #0,0,3: 17:[84, 30] Operation: 33-3=30 Exploring Operation: 84-33=51, Resulting Numbers: [3, 51] Generated Node #0,0,4: 17:[3, 51] Operation: 84-33=51 Moving to Node #0,0,2 Current State: 17:[33, 28], Operations: ['99/33=3', '84/3=28'] Exploring Operation: 33*28=924, Resulting Numbers: [924] 924,17 unequal: No Solution Exploring Operation: 33+28=61, Resulting Numbers: [61] 61,17 unequal: No Solution Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,17 unequal: No Solution Moving to Node #0,0,4 Current State: 17:[3, 51], Operations: ['99/33=3', '84-33=51'] Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[84, 33, 99, 33], Operations: [] Exploring Operation: 99/33=3, Resulting Numbers: [84, 33, 3] Generated Node #0,0: 17:[84, 33, 3] Operation: 99/33=3 Moving to Node #0,0 Current State: 17:[84, 33, 3], Operations: ['99/33=3'] Exploring Operation: 84-33=51, Resulting Numbers: [3, 51] Generated Node #0,0,4: 17:[3, 51] Operation: 84-33=51 Moving to Node #0,0,4 Current State: 17:[3, 51], Operations: ['99/33=3', '84-33=51'] Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_5
sum_heuristic
[ 6, 1, 40, 8 ]
25
[ "6+1=7", "40-8=32", "32-7=25" ]
Current State: 25:[6, 1, 40, 8], Operations: [] Exploring Operation: 6+1=7, Resulting Numbers: [40, 8, 7] Generated Node #2: [40, 8, 7] from Operation: 6+1=7 Current State: 25:[40, 8, 7], Operations: ['6+1=7'] Exploring Operation: 40-8=32, Resulting Numbers: [7, 32] Generated Node #3: [7, 32] from Operation: 40-8=32 Current State: 25:[7, 32], Operations: ['6+1=7', '40-8=32'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[6, 1, 40, 8], Operations: [] Exploring Operation: 40-6=34, Resulting Numbers: [1, 8, 34] Generated Node #0,0: 25:[1, 8, 34] Operation: 40-6=34 Exploring Operation: 40/8=5, Resulting Numbers: [6, 1, 5] Generated Node #0,1: 25:[6, 1, 5] Operation: 40/8=5 Exploring Operation: 40-8=32, Resulting Numbers: [6, 1, 32] Generated Node #0,2: 25:[6, 1, 32] Operation: 40-8=32 Moving to Node #0,1 Current State: 25:[6, 1, 5], Operations: ['40/8=5'] Exploring Operation: 6*1=6, Resulting Numbers: [5, 6] Generated Node #0,1,0: 25:[5, 6] Operation: 6*1=6 Exploring Operation: 6-1=5, Resulting Numbers: [5, 5] Generated Node #0,1,1: 25:[5, 5] Operation: 6-1=5 Exploring Operation: 6/1=6, Resulting Numbers: [5, 6] Generated Node #0,1,2: 25:[5, 6] Operation: 6/1=6 Moving to Node #0,2 Current State: 25:[6, 1, 32], Operations: ['40-8=32'] Exploring Operation: 6-1=5, Resulting Numbers: [32, 5] Generated Node #0,2,0: 25:[32, 5] Operation: 6-1=5 Exploring Operation: 32-1=31, Resulting Numbers: [6, 31] Generated Node #0,2,1: 25:[6, 31] Operation: 32-1=31 Exploring Operation: 32-6=26, Resulting Numbers: [1, 26] Generated Node #0,2,2: 25:[1, 26] Operation: 32-6=26 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 25:[1, 26], Operations: ['40-8=32', '32-6=26'] Exploring Operation: 26/1=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[6, 1, 40, 8], Operations: [] Exploring Operation: 40-8=32, Resulting Numbers: [6, 1, 32] Generated Node #0,2: 25:[6, 1, 32] Operation: 40-8=32 Moving to Node #0,2 Current State: 25:[6, 1, 32], Operations: ['40-8=32'] Exploring Operation: 32-6=26, Resulting Numbers: [1, 26] Generated Node #0,2,2: 25:[1, 26] Operation: 32-6=26 Moving to Node #0,2,2 Current State: 25:[1, 26], Operations: ['40-8=32', '32-6=26'] Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 1, 71, 78, 86 ]
94
[ "71-1=70", "78+86=164", "164-70=94" ]
Current State: 94:[1, 71, 78, 86], Operations: [] Exploring Operation: 71-1=70, Resulting Numbers: [78, 86, 70] Generated Node #2: [78, 86, 70] from Operation: 71-1=70 Current State: 94:[78, 86, 70], Operations: ['71-1=70'] Exploring Operation: 78+86=164, Resulting Numbers: [70, 164] Generated Node #3: [70, 164] from Operation: 78+86=164 Current State: 94:[70, 164], Operations: ['71-1=70', '78+86=164'] Exploring Operation: 164-70=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[1, 71, 78, 86], Operations: [] Exploring Operation: 78-71=7, Resulting Numbers: [1, 86, 7] Generated Node #0,0: 94:[1, 86, 7] Operation: 78-71=7 Exploring Operation: 86-71=15, Resulting Numbers: [1, 78, 15] Generated Node #0,1: 94:[1, 78, 15] Operation: 86-71=15 Moving to Node #0,0 Current State: 94:[1, 86, 7], Operations: ['78-71=7'] Exploring Operation: 86+7=93, Resulting Numbers: [1, 93] Generated Node #0,0,0: 94:[1, 93] Operation: 86+7=93 Exploring Operation: 1+86=87, Resulting Numbers: [7, 87] Generated Node #0,0,1: 94:[7, 87] Operation: 1+86=87 Moving to Node #0,1 Current State: 94:[1, 78, 15], Operations: ['86-71=15'] Exploring Operation: 78+15=93, Resulting Numbers: [1, 93] Generated Node #0,1,0: 94:[1, 93] Operation: 78+15=93 Exploring Operation: 78-15=63, Resulting Numbers: [1, 63] Generated Node #0,1,1: 94:[1, 63] Operation: 78-15=63 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 94:[1, 93], Operations: ['86-71=15', '78+15=93'] Exploring Operation: 1*93=93, Resulting Numbers: [93] 93,94 unequal: No Solution Exploring Operation: 1+93=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[1, 71, 78, 86], Operations: [] Exploring Operation: 86-71=15, Resulting Numbers: [1, 78, 15] Generated Node #0,1: 94:[1, 78, 15] Operation: 86-71=15 Moving to Node #0,1 Current State: 94:[1, 78, 15], Operations: ['86-71=15'] Exploring Operation: 78+15=93, Resulting Numbers: [1, 93] Generated Node #0,1,0: 94:[1, 93] Operation: 78+15=93 Moving to Node #0,1,0 Current State: 94:[1, 93], Operations: ['86-71=15', '78+15=93'] Exploring Operation: 1+93=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 37, 70, 72, 25 ]
13
[ "72-70=2", "25*2=50", "50-37=13" ]
Current State: 13:[37, 70, 72, 25], Operations: [] Exploring Operation: 72-70=2, Resulting Numbers: [37, 25, 2] Generated Node #2: [37, 25, 2] from Operation: 72-70=2 Current State: 13:[37, 25, 2], Operations: ['72-70=2'] Exploring Operation: 25*2=50, Resulting Numbers: [37, 50] Generated Node #3: [37, 50] from Operation: 25*2=50 Current State: 13:[37, 50], Operations: ['72-70=2', '25*2=50'] Exploring Operation: 50-37=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[37, 70, 72, 25], Operations: [] Exploring Operation: 72-70=2, Resulting Numbers: [37, 25, 2] Generated Node #0,0: 13:[37, 25, 2] Operation: 72-70=2 Exploring Operation: 70-37=33, Resulting Numbers: [72, 25, 33] Generated Node #0,1: 13:[72, 25, 33] Operation: 70-37=33 Exploring Operation: 72-37=35, Resulting Numbers: [70, 25, 35] Generated Node #0,2: 13:[70, 25, 35] Operation: 72-37=35 Exploring Operation: 72-25=47, Resulting Numbers: [37, 70, 47] Generated Node #0,3: 13:[37, 70, 47] Operation: 72-25=47 Exploring Operation: 70-25=45, Resulting Numbers: [37, 72, 45] Generated Node #0,4: 13:[37, 72, 45] Operation: 70-25=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[37, 25, 2], Operations: ['72-70=2'] Exploring Operation: 37-25=12, Resulting Numbers: [2, 12] Generated Node #0,0,0: 13:[2, 12] Operation: 37-25=12 Exploring Operation: 37+2=39, Resulting Numbers: [25, 39] Generated Node #0,0,1: 13:[25, 39] Operation: 37+2=39 Exploring Operation: 25+2=27, Resulting Numbers: [37, 27] Generated Node #0,0,2: 13:[37, 27] Operation: 25+2=27 Exploring Operation: 25-2=23, Resulting Numbers: [37, 23] Generated Node #0,0,3: 13:[37, 23] Operation: 25-2=23 Exploring Operation: 37-2=35, Resulting Numbers: [25, 35] Generated Node #0,0,4: 13:[25, 35] Operation: 37-2=35 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[2, 12], Operations: ['72-70=2', '37-25=12'] Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,13 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: 13:[37, 23], Operations: ['72-70=2', '25-2=23'] Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 37*23=851, Resulting Numbers: [851] 851,13 unequal: No Solution Exploring Operation: 37+23=60, Resulting Numbers: [60] 60,13 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: 13:[25, 35], Operations: ['72-70=2', '37-2=35'] Exploring Operation: 25*35=875, Resulting Numbers: [875] 875,13 unequal: No Solution Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 25+35=60, Resulting Numbers: [60] 60,13 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: 13:[25, 39], Operations: ['72-70=2', '37+2=39'] Exploring Operation: 25+39=64, Resulting Numbers: [64] 64,13 unequal: No Solution Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 25*39=975, Resulting Numbers: [975] 975,13 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: 13:[37, 27], Operations: ['72-70=2', '25+2=27'] Exploring Operation: 37*27=999, Resulting Numbers: [999] 999,13 unequal: No Solution Exploring Operation: 37+27=64, Resulting Numbers: [64] 64,13 unequal: No Solution Exploring Operation: 37-27=10, Resulting Numbers: [10] 10,13 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 Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[72, 25, 33], Operations: ['70-37=33'] Exploring Operation: 72+33=105, Resulting Numbers: [25, 105] Generated Node #0,1,0: 13:[25, 105] Operation: 72+33=105 Exploring Operation: 33-25=8, Resulting Numbers: [72, 8] Generated Node #0,1,1: 13:[72, 8] Operation: 33-25=8 Exploring Operation: 72+25=97, Resulting Numbers: [33, 97] Generated Node #0,1,2: 13:[33, 97] Operation: 72+25=97 Exploring Operation: 72-25=47, Resulting Numbers: [33, 47] Generated Node #0,1,3: 13:[33, 47] Operation: 72-25=47 Exploring Operation: 72-33=39, Resulting Numbers: [25, 39] Generated Node #0,1,4: 13:[25, 39] Operation: 72-33=39 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 13:[25, 39], Operations: ['70-37=33', '72-33=39'] Exploring Operation: 25*39=975, Resulting Numbers: [975] 975,13 unequal: No Solution Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 25+39=64, Resulting Numbers: [64] 64,13 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: 13:[33, 47], Operations: ['70-37=33', '72-25=47'] Exploring Operation: 33*47=1551, Resulting Numbers: [1551] 1551,13 unequal: No Solution Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 33+47=80, Resulting Numbers: [80] 80,13 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: 13:[72, 8], Operations: ['70-37=33', '33-25=8'] Exploring Operation: 72*8=576, Resulting Numbers: [576] 576,13 unequal: No Solution Exploring Operation: 72+8=80, Resulting Numbers: [80] 80,13 unequal: No Solution Exploring Operation: 72/8=9, Resulting Numbers: [9] 9,13 unequal: No Solution Exploring Operation: 72-8=64, Resulting Numbers: [64] 64,13 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: 13:[25, 105], Operations: ['70-37=33', '72+33=105'] Exploring Operation: 105-25=80, Resulting Numbers: [80] 80,13 unequal: No Solution Exploring Operation: 25+105=130, Resulting Numbers: [130] 130,13 unequal: No Solution Exploring Operation: 25*105=2625, Resulting Numbers: [2625] 2625,13 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: 13:[33, 97], Operations: ['70-37=33', '72+25=97'] Exploring Operation: 97-33=64, Resulting Numbers: [64] 64,13 unequal: No Solution Exploring Operation: 33+97=130, Resulting Numbers: [130] 130,13 unequal: No Solution Exploring Operation: 33*97=3201, Resulting Numbers: [3201] 3201,13 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[70, 25, 35], Operations: ['72-37=35'] Exploring Operation: 35-25=10, Resulting Numbers: [70, 10] Generated Node #0,2,0: 13:[70, 10] Operation: 35-25=10 Exploring Operation: 70+25=95, Resulting Numbers: [35, 95] Generated Node #0,2,1: 13:[35, 95] Operation: 70+25=95 Exploring Operation: 70-25=45, Resulting Numbers: [35, 45] Generated Node #0,2,2: 13:[35, 45] Operation: 70-25=45 Exploring Operation: 70/35=2, Resulting Numbers: [25, 2] Generated Node #0,2,3: 13:[25, 2] Operation: 70/35=2 Exploring Operation: 70-35=35, Resulting Numbers: [25, 35] Generated Node #0,2,4: 13:[25, 35] Operation: 70-35=35 Moving to Node #0,2,3 Current State: 13:[25, 2], Operations: ['72-37=35', '70/35=2'] Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,13 unequal: No Solution Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,13 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,13 unequal: No Solution Moving to Node #0,2,4 Current State: 13:[25, 35], Operations: ['72-37=35', '70-35=35'] Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 25*35=875, Resulting Numbers: [875] 875,13 unequal: No Solution Exploring Operation: 25+35=60, Resulting Numbers: [60] 60,13 unequal: No Solution Moving to Node #0,2,2 Current State: 13:[35, 45], Operations: ['72-37=35', '70-25=45'] Exploring Operation: 45-35=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 35+45=80, Resulting Numbers: [80] 80,13 unequal: No Solution Exploring Operation: 35*45=1575, Resulting Numbers: [1575] 1575,13 unequal: No Solution Moving to Node #0,2,0 Current State: 13:[70, 10], Operations: ['72-37=35', '35-25=10'] Exploring Operation: 70-10=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 70/10=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 70+10=80, Resulting Numbers: [80] 80,13 unequal: No Solution Exploring Operation: 70*10=700, Resulting Numbers: [700] 700,13 unequal: No Solution Moving to Node #0,2,1 Current State: 13:[35, 95], Operations: ['72-37=35', '70+25=95'] Exploring Operation: 95-35=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 35*95=3325, Resulting Numbers: [3325] 3325,13 unequal: No Solution Exploring Operation: 35+95=130, Resulting Numbers: [130] 130,13 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: 13:[37, 70, 47], Operations: ['72-25=47'] Exploring Operation: 37+47=84, Resulting Numbers: [70, 84] Generated Node #0,3,0: 13:[70, 84] Operation: 37+47=84 Exploring Operation: 37+70=107, Resulting Numbers: [47, 107] Generated Node #0,3,1: 13:[47, 107] Operation: 37+70=107 Exploring Operation: 70-47=23, Resulting Numbers: [37, 23] Generated Node #0,3,2: 13:[37, 23] Operation: 70-47=23 Exploring Operation: 47-37=10, Resulting Numbers: [70, 10] Generated Node #0,3,3: 13:[70, 10] Operation: 47-37=10 Exploring Operation: 70-37=33, Resulting Numbers: [47, 33] Generated Node #0,3,4: 13:[47, 33] Operation: 70-37=33 Moving to Node #0,3,2 Current State: 13:[37, 23], Operations: ['72-25=47', '70-47=23'] Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 37*23=851, Resulting Numbers: [851] 851,13 unequal: No Solution Exploring Operation: 37+23=60, Resulting Numbers: [60] 60,13 unequal: No Solution Moving to Node #0,3,4 Current State: 13:[47, 33], Operations: ['72-25=47', '70-37=33'] Exploring Operation: 47+33=80, Resulting Numbers: [80] 80,13 unequal: No Solution Exploring Operation: 47*33=1551, Resulting Numbers: [1551] 1551,13 unequal: No Solution Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,13 unequal: No Solution Moving to Node #0,3,3 Current State: 13:[70, 10], Operations: ['72-25=47', '47-37=10'] Exploring Operation: 70*10=700, Resulting Numbers: [700] 700,13 unequal: No Solution Exploring Operation: 70-10=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 70/10=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 70+10=80, Resulting Numbers: [80] 80,13 unequal: No Solution Moving to Node #0,3,0 Current State: 13:[70, 84], Operations: ['72-25=47', '37+47=84'] Exploring Operation: 84-70=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 70*84=5880, Resulting Numbers: [5880] 5880,13 unequal: No Solution Exploring Operation: 70+84=154, Resulting Numbers: [154] 154,13 unequal: No Solution Moving to Node #0,3,1 Current State: 13:[47, 107], Operations: ['72-25=47', '37+70=107'] Exploring Operation: 47*107=5029, Resulting Numbers: [5029] 5029,13 unequal: No Solution Exploring Operation: 107-47=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 47+107=154, Resulting Numbers: [154] 154,13 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: 13:[37, 72, 45], Operations: ['70-25=45'] Exploring Operation: 37+72=109, Resulting Numbers: [45, 109] Generated Node #0,4,0: 13:[45, 109] Operation: 37+72=109 Exploring Operation: 72-37=35, Resulting Numbers: [45, 35] Generated Node #0,4,1: 13:[45, 35] Operation: 72-37=35 Exploring Operation: 37+45=82, Resulting Numbers: [72, 82] Generated Node #0,4,2: 13:[72, 82] Operation: 37+45=82 Exploring Operation: 72-45=27, Resulting Numbers: [37, 27] Generated Node #0,4,3: 13:[37, 27] Operation: 72-45=27 Exploring Operation: 45-37=8, Resulting Numbers: [72, 8] Generated Node #0,4,4: 13:[72, 8] Operation: 45-37=8 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 13:[37, 27], Operations: ['70-25=45', '72-45=27'] Exploring Operation: 37*27=999, Resulting Numbers: [999] 999,13 unequal: No Solution Exploring Operation: 37-27=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 37+27=64, Resulting Numbers: [64] 64,13 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: 13:[45, 35], Operations: ['70-25=45', '72-37=35'] Exploring Operation: 45+35=80, Resulting Numbers: [80] 80,13 unequal: No Solution Exploring Operation: 45*35=1575, Resulting Numbers: [1575] 1575,13 unequal: No Solution Exploring Operation: 45-35=10, Resulting Numbers: [10] 10,13 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: 13:[72, 8], Operations: ['70-25=45', '45-37=8'] Exploring Operation: 72*8=576, Resulting Numbers: [576] 576,13 unequal: No Solution Exploring Operation: 72/8=9, Resulting Numbers: [9] 9,13 unequal: No Solution Exploring Operation: 72+8=80, Resulting Numbers: [80] 80,13 unequal: No Solution Exploring Operation: 72-8=64, Resulting Numbers: [64] 64,13 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: 13:[45, 109], Operations: ['70-25=45', '37+72=109'] Exploring Operation: 109-45=64, Resulting Numbers: [64] 64,13 unequal: No Solution Exploring Operation: 45+109=154, Resulting Numbers: [154] 154,13 unequal: No Solution Exploring Operation: 45*109=4905, Resulting Numbers: [4905] 4905,13 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: 13:[72, 82], Operations: ['70-25=45', '37+45=82'] Exploring Operation: 72*82=5904, Resulting Numbers: [5904] 5904,13 unequal: No Solution Exploring Operation: 82-72=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 72+82=154, Resulting Numbers: [154] 154,13 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_5
sum_heuristic
[ 54, 63, 83, 81 ]
72
[ "83-81=2", "63*2=126", "126-54=72" ]
Current State: 72:[54, 63, 83, 81], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [54, 63, 2] Generated Node #2: [54, 63, 2] from Operation: 83-81=2 Current State: 72:[54, 63, 2], Operations: ['83-81=2'] Exploring Operation: 63*2=126, Resulting Numbers: [54, 126] Generated Node #3: [54, 126] from Operation: 63*2=126 Current State: 72:[54, 126], Operations: ['83-81=2', '63*2=126'] Exploring Operation: 126-54=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[54, 63, 83, 81], Operations: [] Exploring Operation: 63-54=9, Resulting Numbers: [83, 81, 9] Generated Node #0,0: 72:[83, 81, 9] Operation: 63-54=9 Moving to Node #0,0 Current State: 72:[83, 81, 9], Operations: ['63-54=9'] Exploring Operation: 83-81=2, Resulting Numbers: [9, 2] Generated Node #0,0,0: 72:[9, 2] Operation: 83-81=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 72:[9, 2], Operations: ['63-54=9', '83-81=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 57, 60, 16, 13 ]
61
[ "60-57=3", "16*3=48", "13+48=61" ]
Current State: 61:[57, 60, 16, 13], Operations: [] Exploring Operation: 60-57=3, Resulting Numbers: [16, 13, 3] Generated Node #2: [16, 13, 3] from Operation: 60-57=3 Current State: 61:[16, 13, 3], Operations: ['60-57=3'] Exploring Operation: 16*3=48, Resulting Numbers: [13, 48] Generated Node #3: [13, 48] from Operation: 16*3=48 Current State: 61:[13, 48], Operations: ['60-57=3', '16*3=48'] Exploring Operation: 13+48=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[57, 60, 16, 13], Operations: [] Exploring Operation: 57-13=44, Resulting Numbers: [60, 16, 44] Generated Node #0,0: 61:[60, 16, 44] Operation: 57-13=44 Exploring Operation: 60+13=73, Resulting Numbers: [57, 16, 73] Generated Node #0,1: 61:[57, 16, 73] Operation: 60+13=73 Exploring Operation: 57+16=73, Resulting Numbers: [60, 13, 73] Generated Node #0,2: 61:[60, 13, 73] Operation: 57+16=73 Exploring Operation: 57+13=70, Resulting Numbers: [60, 16, 70] Generated Node #0,3: 61:[60, 16, 70] Operation: 57+13=70 Exploring Operation: 16+13=29, Resulting Numbers: [57, 60, 29] Generated Node #0,4: 61:[57, 60, 29] Operation: 16+13=29 Moving to Node #0,4 Current State: 61:[57, 60, 29], Operations: ['16+13=29'] Exploring Operation: 57+29=86, Resulting Numbers: [60, 86] Generated Node #0,4,0: 61:[60, 86] Operation: 57+29=86 Exploring Operation: 60+29=89, Resulting Numbers: [57, 89] Generated Node #0,4,1: 61:[57, 89] Operation: 60+29=89 Exploring Operation: 60-29=31, Resulting Numbers: [57, 31] Generated Node #0,4,2: 61:[57, 31] Operation: 60-29=31 Exploring Operation: 57+60=117, Resulting Numbers: [29, 117] Generated Node #0,4,3: 61:[29, 117] Operation: 57+60=117 Exploring Operation: 57-29=28, Resulting Numbers: [60, 28] Generated Node #0,4,4: 61:[60, 28] Operation: 57-29=28 Moving to Node #0,3 Current State: 61:[60, 16, 70], Operations: ['57+13=70'] Exploring Operation: 60-16=44, Resulting Numbers: [70, 44] Generated Node #0,3,0: 61:[70, 44] Operation: 60-16=44 Exploring Operation: 70-60=10, Resulting Numbers: [16, 10] Generated Node #0,3,1: 61:[16, 10] Operation: 70-60=10 Exploring Operation: 16+70=86, Resulting Numbers: [60, 86] Generated Node #0,3,2: 61:[60, 86] Operation: 16+70=86 Exploring Operation: 70-16=54, Resulting Numbers: [60, 54] Generated Node #0,3,3: 61:[60, 54] Operation: 70-16=54 Exploring Operation: 60+16=76, Resulting Numbers: [70, 76] Generated Node #0,3,4: 61:[70, 76] Operation: 60+16=76 Moving to Node #0,1 Current State: 61:[57, 16, 73], Operations: ['60+13=73'] Exploring Operation: 57+16=73, Resulting Numbers: [73, 73] Generated Node #0,1,0: 61:[73, 73] Operation: 57+16=73 Exploring Operation: 16+73=89, Resulting Numbers: [57, 89] Generated Node #0,1,1: 61:[57, 89] Operation: 16+73=89 Exploring Operation: 73-16=57, Resulting Numbers: [57, 57] Generated Node #0,1,2: 61:[57, 57] Operation: 73-16=57 Exploring Operation: 73-57=16, Resulting Numbers: [16, 16] Generated Node #0,1,3: 61:[16, 16] Operation: 73-57=16 Exploring Operation: 57-16=41, Resulting Numbers: [73, 41] Generated Node #0,1,4: 61:[73, 41] Operation: 57-16=41 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 61:[57, 57], Operations: ['60+13=73', '73-16=57'] Exploring Operation: 57+57=114, Resulting Numbers: [114] 114,61 unequal: No Solution Exploring Operation: 57-57=0, Resulting Numbers: [0] 0,61 unequal: No Solution Exploring Operation: 57/57=1, Resulting Numbers: [1] 1,61 unequal: No Solution Exploring Operation: 57*57=3249, Resulting Numbers: [3249] 3249,61 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 #0,1,0 Current State: 61:[73, 73], Operations: ['60+13=73', '57+16=73'] Exploring Operation: 73*73=5329, Resulting Numbers: [5329] 5329,61 unequal: No Solution Exploring Operation: 73-73=0, Resulting Numbers: [0] 0,61 unequal: No Solution Exploring Operation: 73+73=146, Resulting Numbers: [146] 146,61 unequal: No Solution Exploring Operation: 73/73=1, Resulting Numbers: [1] 1,61 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 #0,1,1 Current State: 61:[57, 89], Operations: ['60+13=73', '16+73=89'] Exploring Operation: 57*89=5073, Resulting Numbers: [5073] 5073,61 unequal: No Solution Exploring Operation: 57+89=146, Resulting Numbers: [146] 146,61 unequal: No Solution Exploring Operation: 89-57=32, Resulting Numbers: [32] 32,61 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 #0,1,4 Current State: 61:[73, 41], Operations: ['60+13=73', '57-16=41'] Exploring Operation: 73+41=114, Resulting Numbers: [114] 114,61 unequal: No Solution Exploring Operation: 73*41=2993, Resulting Numbers: [2993] 2993,61 unequal: No Solution Exploring Operation: 73-41=32, Resulting Numbers: [32] 32,61 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 #0,1,3 Current State: 61:[16, 16], Operations: ['60+13=73', '73-57=16'] Exploring Operation: 16/16=1, Resulting Numbers: [1] 1,61 unequal: No Solution Exploring Operation: 16*16=256, Resulting Numbers: [256] 256,61 unequal: No Solution Exploring Operation: 16+16=32, Resulting Numbers: [32] 32,61 unequal: No Solution Exploring Operation: 16-16=0, Resulting Numbers: [0] 0,61 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: 61:[60, 13, 73], Operations: ['57+16=73'] Exploring Operation: 73-13=60, Resulting Numbers: [60, 60] Generated Node #0,2,0: 61:[60, 60] Operation: 73-13=60 Exploring Operation: 13+73=86, Resulting Numbers: [60, 86] Generated Node #0,2,1: 61:[60, 86] Operation: 13+73=86 Exploring Operation: 60+13=73, Resulting Numbers: [73, 73] Generated Node #0,2,2: 61:[73, 73] Operation: 60+13=73 Exploring Operation: 73-60=13, Resulting Numbers: [13, 13] Generated Node #0,2,3: 61:[13, 13] Operation: 73-60=13 Exploring Operation: 60-13=47, Resulting Numbers: [73, 47] Generated Node #0,2,4: 61:[73, 47] Operation: 60-13=47 Moving to Node #0,0 Current State: 61:[60, 16, 44], Operations: ['57-13=44'] Exploring Operation: 16+44=60, Resulting Numbers: [60, 60] Generated Node #0,0,0: 61:[60, 60] Operation: 16+44=60 Exploring Operation: 60+44=104, Resulting Numbers: [16, 104] Generated Node #0,0,1: 61:[16, 104] Operation: 60+44=104 Exploring Operation: 60+16=76, Resulting Numbers: [44, 76] Generated Node #0,0,2: 61:[44, 76] Operation: 60+16=76 Exploring Operation: 44-16=28, Resulting Numbers: [60, 28] Generated Node #0,0,3: 61:[60, 28] Operation: 44-16=28 Exploring Operation: 60-16=44, Resulting Numbers: [44, 44] Generated Node #0,0,4: 61:[44, 44] Operation: 60-16=44 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[60, 60], Operations: ['57-13=44', '16+44=60'] Exploring Operation: 60*60=3600, Resulting Numbers: [3600] 3600,61 unequal: No Solution Exploring Operation: 60-60=0, Resulting Numbers: [0] 0,61 unequal: No Solution Exploring Operation: 60/60=1, Resulting Numbers: [1] 1,61 unequal: No Solution Exploring Operation: 60+60=120, Resulting Numbers: [120] 120,61 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 #0,0,2 Current State: 61:[44, 76], Operations: ['57-13=44', '60+16=76'] Exploring Operation: 44+76=120, Resulting Numbers: [120] 120,61 unequal: No Solution Exploring Operation: 76-44=32, Resulting Numbers: [32] 32,61 unequal: No Solution Exploring Operation: 44*76=3344, Resulting Numbers: [3344] 3344,61 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 #0,0,3 Current State: 61:[60, 28], Operations: ['57-13=44', '44-16=28'] Exploring Operation: 60*28=1680, Resulting Numbers: [1680] 1680,61 unequal: No Solution Exploring Operation: 60+28=88, Resulting Numbers: [88] 88,61 unequal: No Solution Exploring Operation: 60-28=32, Resulting Numbers: [32] 32,61 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 #0,0,4 Current State: 61:[44, 44], Operations: ['57-13=44', '60-16=44'] Exploring Operation: 44/44=1, Resulting Numbers: [1] 1,61 unequal: No Solution Exploring Operation: 44-44=0, Resulting Numbers: [0] 0,61 unequal: No Solution Exploring Operation: 44+44=88, Resulting Numbers: [88] 88,61 unequal: No Solution Exploring Operation: 44*44=1936, Resulting Numbers: [1936] 1936,61 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 #0,0,1 Current State: 61:[16, 104], Operations: ['57-13=44', '60+44=104'] Exploring Operation: 16*104=1664, Resulting Numbers: [1664] 1664,61 unequal: No Solution Exploring Operation: 16+104=120, Resulting Numbers: [120] 120,61 unequal: No Solution Exploring Operation: 104-16=88, Resulting Numbers: [88] 88,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 61:[60, 60], Operations: ['57+16=73', '73-13=60'] Exploring Operation: 60+60=120, Resulting Numbers: [120] 120,61 unequal: No Solution Exploring Operation: 60/60=1, Resulting Numbers: [1] 1,61 unequal: No Solution Exploring Operation: 60-60=0, Resulting Numbers: [0] 0,61 unequal: No Solution Exploring Operation: 60*60=3600, Resulting Numbers: [3600] 3600,61 unequal: No Solution Moving to Node #0,3,3 Current State: 61:[60, 54], Operations: ['57+13=70', '70-16=54'] Exploring Operation: 60*54=3240, Resulting Numbers: [3240] 3240,61 unequal: No Solution Exploring Operation: 60+54=114, Resulting Numbers: [114] 114,61 unequal: No Solution Exploring Operation: 60-54=6, Resulting Numbers: [6] 6,61 unequal: No Solution Moving to Node #0,3,4 Current State: 61:[70, 76], Operations: ['57+13=70', '60+16=76'] Exploring Operation: 70+76=146, Resulting Numbers: [146] 146,61 unequal: No Solution Exploring Operation: 76-70=6, Resulting Numbers: [6] 6,61 unequal: No Solution Exploring Operation: 70*76=5320, Resulting Numbers: [5320] 5320,61 unequal: No Solution Moving to Node #0,2,2 Current State: 61:[73, 73], Operations: ['57+16=73', '60+13=73'] Exploring Operation: 73*73=5329, Resulting Numbers: [5329] 5329,61 unequal: No Solution Exploring Operation: 73/73=1, Resulting Numbers: [1] 1,61 unequal: No Solution Exploring Operation: 73+73=146, Resulting Numbers: [146] 146,61 unequal: No Solution Exploring Operation: 73-73=0, Resulting Numbers: [0] 0,61 unequal: No Solution Moving to Node #0,4,0 Current State: 61:[60, 86], Operations: ['16+13=29', '57+29=86'] Exploring Operation: 86-60=26, Resulting Numbers: [26] 26,61 unequal: No Solution Exploring Operation: 60*86=5160, Resulting Numbers: [5160] 5160,61 unequal: No Solution Exploring Operation: 60+86=146, Resulting Numbers: [146] 146,61 unequal: No Solution Moving to Node #0,2,4 Current State: 61:[73, 47], Operations: ['57+16=73', '60-13=47'] Exploring Operation: 73+47=120, Resulting Numbers: [120] 120,61 unequal: No Solution Exploring Operation: 73-47=26, Resulting Numbers: [26] 26,61 unequal: No Solution Exploring Operation: 73*47=3431, Resulting Numbers: [3431] 3431,61 unequal: No Solution Moving to Node #0,2,1 Current State: 61:[60, 86], Operations: ['57+16=73', '13+73=86'] Exploring Operation: 60*86=5160, Resulting Numbers: [5160] 5160,61 unequal: No Solution Exploring Operation: 60+86=146, Resulting Numbers: [146] 146,61 unequal: No Solution Exploring Operation: 86-60=26, Resulting Numbers: [26] 26,61 unequal: No Solution Moving to Node #0,3,0 Current State: 61:[70, 44], Operations: ['57+13=70', '60-16=44'] Exploring Operation: 70+44=114, Resulting Numbers: [114] 114,61 unequal: No Solution Exploring Operation: 70-44=26, Resulting Numbers: [26] 26,61 unequal: No Solution Exploring Operation: 70*44=3080, Resulting Numbers: [3080] 3080,61 unequal: No Solution Moving to Node #0,3,2 Current State: 61:[60, 86], Operations: ['57+13=70', '16+70=86'] Exploring Operation: 60*86=5160, Resulting Numbers: [5160] 5160,61 unequal: No Solution Exploring Operation: 60+86=146, Resulting Numbers: [146] 146,61 unequal: No Solution Exploring Operation: 86-60=26, Resulting Numbers: [26] 26,61 unequal: No Solution Moving to Node #0,4,1 Current State: 61:[57, 89], Operations: ['16+13=29', '60+29=89'] Exploring Operation: 57+89=146, Resulting Numbers: [146] 146,61 unequal: No Solution Exploring Operation: 89-57=32, Resulting Numbers: [32] 32,61 unequal: No Solution Exploring Operation: 57*89=5073, Resulting Numbers: [5073] 5073,61 unequal: No Solution Moving to Node #0,4,2 Current State: 61:[57, 31], Operations: ['16+13=29', '60-29=31'] Exploring Operation: 57+31=88, Resulting Numbers: [88] 88,61 unequal: No Solution Exploring Operation: 57-31=26, Resulting Numbers: [26] 26,61 unequal: No Solution Exploring Operation: 57*31=1767, Resulting Numbers: [1767] 1767,61 unequal: No Solution Moving to Node #0,4,4 Current State: 61:[60, 28], Operations: ['16+13=29', '57-29=28'] Exploring Operation: 60*28=1680, Resulting Numbers: [1680] 1680,61 unequal: No Solution Exploring Operation: 60+28=88, Resulting Numbers: [88] 88,61 unequal: No Solution Exploring Operation: 60-28=32, Resulting Numbers: [32] 32,61 unequal: No Solution Moving to Node #0,4,3 Current State: 61:[29, 117], Operations: ['16+13=29', '57+60=117'] Exploring Operation: 117-29=88, Resulting Numbers: [88] 88,61 unequal: No Solution Exploring Operation: 29*117=3393, Resulting Numbers: [3393] 3393,61 unequal: No Solution Exploring Operation: 29+117=146, Resulting Numbers: [146] 146,61 unequal: No Solution Moving to Node #0,3,1 Current State: 61:[16, 10], Operations: ['57+13=70', '70-60=10'] Exploring Operation: 16*10=160, Resulting Numbers: [160] 160,61 unequal: No Solution Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,61 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,61 unequal: No Solution Moving to Node #0,2,3 Current State: 61:[13, 13], Operations: ['57+16=73', '73-60=13'] Exploring Operation: 13*13=169, Resulting Numbers: [169] 169,61 unequal: No Solution Exploring Operation: 13/13=1, Resulting Numbers: [1] 1,61 unequal: No Solution Exploring Operation: 13-13=0, Resulting Numbers: [0] 0,61 unequal: No Solution Exploring Operation: 13+13=26, Resulting Numbers: [26] 26,61 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 11, 86, 84, 76 ]
98
[ "86-84=2", "11*2=22", "76+22=98" ]
Current State: 98:[11, 86, 84, 76], Operations: [] Exploring Operation: 86-84=2, Resulting Numbers: [11, 76, 2] Generated Node #2: [11, 76, 2] from Operation: 86-84=2 Current State: 98:[11, 76, 2], Operations: ['86-84=2'] Exploring Operation: 11*2=22, Resulting Numbers: [76, 22] Generated Node #3: [76, 22] from Operation: 11*2=22 Current State: 98:[76, 22], Operations: ['86-84=2', '11*2=22'] Exploring Operation: 76+22=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[11, 86, 84, 76], Operations: [] Exploring Operation: 84-76=8, Resulting Numbers: [11, 86, 8] Generated Node #0,0: 98:[11, 86, 8] Operation: 84-76=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[11, 86, 8], Operations: ['84-76=8'] Exploring Operation: 11+86=97, Resulting Numbers: [8, 97] Generated Node #0,0,0: 98:[8, 97] Operation: 11+86=97 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[8, 97], Operations: ['84-76=8', '11+86=97'] Exploring Operation: 8+97=105, Resulting Numbers: [105] 105,98 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
[ 56, 9, 51, 98 ]
84
[ "56+9=65", "51+98=149", "149-65=84" ]
Current State: 84:[56, 9, 51, 98], Operations: [] Exploring Operation: 56+9=65, Resulting Numbers: [51, 98, 65] Generated Node #2: [51, 98, 65] from Operation: 56+9=65 Current State: 84:[51, 98, 65], Operations: ['56+9=65'] Exploring Operation: 51+98=149, Resulting Numbers: [65, 149] Generated Node #3: [65, 149] from Operation: 51+98=149 Current State: 84:[65, 149], Operations: ['56+9=65', '51+98=149'] Exploring Operation: 149-65=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[56, 9, 51, 98], Operations: [] Exploring Operation: 56-51=5, Resulting Numbers: [9, 98, 5] Generated Node #0,0: 84:[9, 98, 5] Operation: 56-51=5 Exploring Operation: 98-56=42, Resulting Numbers: [9, 51, 42] Generated Node #0,1: 84:[9, 51, 42] Operation: 98-56=42 Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[9, 51, 42], Operations: ['98-56=42'] Exploring Operation: 51-42=9, Resulting Numbers: [9, 9] Generated Node #0,1,0: 84:[9, 9] Operation: 51-42=9 Exploring Operation: 51-9=42, Resulting Numbers: [42, 42] Generated Node #0,1,1: 84:[42, 42] Operation: 51-9=42 Moving to Node #0,1,1 Current State: 84:[42, 42], Operations: ['98-56=42', '51-9=42'] Exploring Operation: 42/42=1, Resulting Numbers: [1] 1,84 unequal: No Solution Exploring Operation: 42+42=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[56, 9, 51, 98], Operations: [] Exploring Operation: 98-56=42, Resulting Numbers: [9, 51, 42] Generated Node #0,1: 84:[9, 51, 42] Operation: 98-56=42 Moving to Node #0,1 Current State: 84:[9, 51, 42], Operations: ['98-56=42'] Exploring Operation: 51-9=42, Resulting Numbers: [42, 42] Generated Node #0,1,1: 84:[42, 42] Operation: 51-9=42 Moving to Node #0,1,1 Current State: 84:[42, 42], Operations: ['98-56=42', '51-9=42'] Exploring Operation: 42+42=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 60, 74, 43, 9 ]
82
[ "60+74=134", "43+9=52", "134-52=82" ]
Current State: 82:[60, 74, 43, 9], Operations: [] Exploring Operation: 60+74=134, Resulting Numbers: [43, 9, 134] Generated Node #2: [43, 9, 134] from Operation: 60+74=134 Current State: 82:[43, 9, 134], Operations: ['60+74=134'] Exploring Operation: 43+9=52, Resulting Numbers: [134, 52] Generated Node #3: [134, 52] from Operation: 43+9=52 Current State: 82:[134, 52], Operations: ['60+74=134', '43+9=52'] Exploring Operation: 134-52=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[60, 74, 43, 9], Operations: [] Exploring Operation: 74-60=14, Resulting Numbers: [43, 9, 14] Generated Node #0,0: 82:[43, 9, 14] Operation: 74-60=14 Exploring Operation: 60-9=51, Resulting Numbers: [74, 43, 51] Generated Node #0,1: 82:[74, 43, 51] Operation: 60-9=51 Moving to Node #0,1 Current State: 82:[74, 43, 51], Operations: ['60-9=51'] Exploring Operation: 74-43=31, Resulting Numbers: [51, 31] Generated Node #0,1,0: 82:[51, 31] Operation: 74-43=31 Exploring Operation: 51-43=8, Resulting Numbers: [74, 8] Generated Node #0,1,1: 82:[74, 8] Operation: 51-43=8 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 82:[74, 8], Operations: ['60-9=51', '51-43=8'] Exploring Operation: 74-8=66, Resulting Numbers: [66] 66,82 unequal: No Solution Exploring Operation: 74+8=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[60, 74, 43, 9], Operations: [] Exploring Operation: 60-9=51, Resulting Numbers: [74, 43, 51] Generated Node #0,1: 82:[74, 43, 51] Operation: 60-9=51 Moving to Node #0,1 Current State: 82:[74, 43, 51], Operations: ['60-9=51'] Exploring Operation: 51-43=8, Resulting Numbers: [74, 8] Generated Node #0,1,1: 82:[74, 8] Operation: 51-43=8 Moving to Node #0,1,1 Current State: 82:[74, 8], Operations: ['60-9=51', '51-43=8'] Exploring Operation: 74+8=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 79, 37, 4, 27 ]
56
[ "79+37=116", "116/4=29", "27+29=56" ]
Current State: 56:[79, 37, 4, 27], Operations: [] Exploring Operation: 79+37=116, Resulting Numbers: [4, 27, 116] Generated Node #2: [4, 27, 116] from Operation: 79+37=116 Current State: 56:[4, 27, 116], Operations: ['79+37=116'] Exploring Operation: 116/4=29, Resulting Numbers: [27, 29] Generated Node #3: [27, 29] from Operation: 116/4=29 Current State: 56:[27, 29], Operations: ['79+37=116', '116/4=29'] Exploring Operation: 27+29=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[79, 37, 4, 27], Operations: [] Exploring Operation: 79-27=52, Resulting Numbers: [37, 4, 52] Generated Node #0,0: 56:[37, 4, 52] Operation: 79-27=52 Exploring Operation: 79-37=42, Resulting Numbers: [4, 27, 42] Generated Node #0,1: 56:[4, 27, 42] Operation: 79-37=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[37, 4, 52], Operations: ['79-27=52'] Exploring Operation: 37-4=33, Resulting Numbers: [52, 33] Generated Node #0,0,0: 56:[52, 33] Operation: 37-4=33 Exploring Operation: 52-37=15, Resulting Numbers: [4, 15] Generated Node #0,0,1: 56:[4, 15] Operation: 52-37=15 Moving to Node #0,0,1 Current State: 56:[4, 15], Operations: ['79-27=52', '52-37=15'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,56 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[52, 33], Operations: ['79-27=52', '37-4=33'] Exploring Operation: 52-33=19, Resulting Numbers: [19] 19,56 unequal: No Solution Exploring Operation: 52+33=85, Resulting Numbers: [85] 85,56 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 #0,1 Current State: 56:[4, 27, 42], Operations: ['79-37=42'] Exploring Operation: 4+42=46, Resulting Numbers: [27, 46] Generated Node #0,1,0: 56:[27, 46] Operation: 4+42=46 Exploring Operation: 42-27=15, Resulting Numbers: [4, 15] Generated Node #0,1,1: 56:[4, 15] Operation: 42-27=15 Moving to Node #0,1,1 Current State: 56:[4, 15], Operations: ['79-37=42', '42-27=15'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,56 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,56 unequal: No Solution Moving to Node #0,1,0 Current State: 56:[27, 46], Operations: ['79-37=42', '4+42=46'] Exploring Operation: 27+46=73, Resulting Numbers: [73] 73,56 unequal: No Solution Exploring Operation: 46-27=19, Resulting Numbers: [19] 19,56 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