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
[ 76, 73, 12, 20 ]
35
[ "76-73=3", "12+20=32", "3+32=35" ]
Current State: 35:[76, 73, 12, 20], Operations: [] Exploring Operation: 76-73=3, Resulting Numbers: [12, 20, 3] Generated Node #2: [12, 20, 3] from Operation: 76-73=3 Current State: 35:[12, 20, 3], Operations: ['76-73=3'] Exploring Operation: 12+20=32, Resulting Numbers: [3, 32] Generated Node #3: [3, 32] from Operation: 12+20=32 Current State: 35:[3, 32], Operations: ['76-73=3', '12+20=32'] Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[76, 73, 12, 20], Operations: [] Exploring Operation: 76-73=3, Resulting Numbers: [12, 20, 3] Generated Node #0,0: 35:[12, 20, 3] Operation: 76-73=3 Exploring Operation: 76-20=56, Resulting Numbers: [73, 12, 56] Generated Node #0,1: 35:[73, 12, 56] Operation: 76-20=56 Moving to Node #0,0 Current State: 35:[12, 20, 3], Operations: ['76-73=3'] Exploring Operation: 20-12=8, Resulting Numbers: [3, 8] Generated Node #0,0,0: 35:[3, 8] Operation: 20-12=8 Exploring Operation: 12+20=32, Resulting Numbers: [3, 32] Generated Node #0,0,1: 35:[3, 32] Operation: 12+20=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[3, 8], Operations: ['76-73=3', '20-12=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,35 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 #0,0,1 Current State: 35:[3, 32], Operations: ['76-73=3', '12+20=32'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,35 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[76, 73, 12, 20], Operations: [] Exploring Operation: 76-73=3, Resulting Numbers: [12, 20, 3] Generated Node #0,0: 35:[12, 20, 3] Operation: 76-73=3 Moving to Node #0,0 Current State: 35:[12, 20, 3], Operations: ['76-73=3'] Exploring Operation: 12+20=32, Resulting Numbers: [3, 32] Generated Node #0,0,1: 35:[3, 32] Operation: 12+20=32 Moving to Node #0,0,1 Current State: 35:[3, 32], Operations: ['76-73=3', '12+20=32'] Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 72, 3, 17, 51 ]
71
[ "3*17=51", "51/51=1", "72-1=71" ]
Current State: 71:[72, 3, 17, 51], Operations: [] Exploring Operation: 3*17=51, Resulting Numbers: [72, 51, 51] Generated Node #2: [72, 51, 51] from Operation: 3*17=51 Current State: 71:[72, 51, 51], Operations: ['3*17=51'] Exploring Operation: 51/51=1, Resulting Numbers: [72, 1] Generated Node #3: [72, 1] from Operation: 51/51=1 Current State: 71:[72, 1], Operations: ['3*17=51', '51/51=1'] Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[72, 3, 17, 51], Operations: [] Exploring Operation: 17+51=68, Resulting Numbers: [72, 3, 68] Generated Node #0,0: 71:[72, 3, 68] Operation: 17+51=68 Exploring Operation: 3+17=20, Resulting Numbers: [72, 51, 20] Generated Node #0,1: 71:[72, 51, 20] Operation: 3+17=20 Exploring Operation: 3+51=54, Resulting Numbers: [72, 17, 54] Generated Node #0,2: 71:[72, 17, 54] Operation: 3+51=54 Exploring Operation: 3*17=51, Resulting Numbers: [72, 51, 51] Generated Node #0,3: 71:[72, 51, 51] Operation: 3*17=51 Moving to Node #0,3 Current State: 71:[72, 51, 51], Operations: ['3*17=51'] Exploring Operation: 51/51=1, Resulting Numbers: [72, 1] Generated Node #0,3,0: 71:[72, 1] Operation: 51/51=1 Exploring Operation: 72-51=21, Resulting Numbers: [51, 21] Generated Node #0,3,1: 71:[51, 21] Operation: 72-51=21 Exploring Operation: 72-51=21, Resulting Numbers: [51, 21] Generated Node #0,3,2: 71:[51, 21] Operation: 72-51=21 Exploring Operation: 51+51=102, Resulting Numbers: [72, 102] Generated Node #0,3,3: 71:[72, 102] Operation: 51+51=102 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 71:[72, 102], Operations: ['3*17=51', '51+51=102'] Exploring Operation: 72+102=174, Resulting Numbers: [174] 174,71 unequal: No Solution Exploring Operation: 72*102=7344, Resulting Numbers: [7344] 7344,71 unequal: No Solution Exploring Operation: 102-72=30, Resulting Numbers: [30] 30,71 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 #0,3,1 Current State: 71:[51, 21], Operations: ['3*17=51', '72-51=21'] Exploring Operation: 51*21=1071, Resulting Numbers: [1071] 1071,71 unequal: No Solution Exploring Operation: 51-21=30, Resulting Numbers: [30] 30,71 unequal: No Solution Exploring Operation: 51+21=72, Resulting Numbers: [72] 72,71 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 #0,3,2 Current State: 71:[51, 21], Operations: ['3*17=51', '72-51=21'] Exploring Operation: 51-21=30, Resulting Numbers: [30] 30,71 unequal: No Solution Exploring Operation: 51*21=1071, Resulting Numbers: [1071] 1071,71 unequal: No Solution Exploring Operation: 51+21=72, Resulting Numbers: [72] 72,71 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 #0,3,0 Current State: 71:[72, 1], Operations: ['3*17=51', '51/51=1'] Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,71 unequal: No Solution Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[72, 3, 17, 51], Operations: [] Exploring Operation: 3*17=51, Resulting Numbers: [72, 51, 51] Generated Node #0,3: 71:[72, 51, 51] Operation: 3*17=51 Moving to Node #0,3 Current State: 71:[72, 51, 51], Operations: ['3*17=51'] Exploring Operation: 51/51=1, Resulting Numbers: [72, 1] Generated Node #0,3,0: 71:[72, 1] Operation: 51/51=1 Moving to Node #0,3,0 Current State: 71:[72, 1], Operations: ['3*17=51', '51/51=1'] Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
sum_heuristic
[ 69, 10, 27, 1 ]
20
[ "69+1=70", "70/10=7", "27-7=20" ]
Current State: 20:[69, 10, 27, 1], Operations: [] Exploring Operation: 69+1=70, Resulting Numbers: [10, 27, 70] Generated Node #2: [10, 27, 70] from Operation: 69+1=70 Current State: 20:[10, 27, 70], Operations: ['69+1=70'] Exploring Operation: 70/10=7, Resulting Numbers: [27, 7] Generated Node #3: [27, 7] from Operation: 70/10=7 Current State: 20:[27, 7], Operations: ['69+1=70', '70/10=7'] Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[69, 10, 27, 1], Operations: [] Exploring Operation: 27-1=26, Resulting Numbers: [69, 10, 26] Generated Node #0,0: 20:[69, 10, 26] Operation: 27-1=26 Exploring Operation: 69-10=59, Resulting Numbers: [27, 1, 59] Generated Node #0,1: 20:[27, 1, 59] Operation: 69-10=59 Exploring Operation: 69-1=68, Resulting Numbers: [10, 27, 68] Generated Node #0,2: 20:[10, 27, 68] Operation: 69-1=68 Exploring Operation: 27-10=17, Resulting Numbers: [69, 1, 17] Generated Node #0,3: 20:[69, 1, 17] Operation: 27-10=17 Exploring Operation: 69-27=42, Resulting Numbers: [10, 1, 42] Generated Node #0,4: 20:[10, 1, 42] Operation: 69-27=42 Moving to Node #0,4 Current State: 20:[10, 1, 42], Operations: ['69-27=42'] Exploring Operation: 10*1=10, Resulting Numbers: [42, 10] Generated Node #0,4,0: 20:[42, 10] Operation: 10*1=10 Exploring Operation: 10/1=10, Resulting Numbers: [42, 10] Generated Node #0,4,1: 20:[42, 10] Operation: 10/1=10 Exploring Operation: 42-10=32, Resulting Numbers: [1, 32] Generated Node #0,4,2: 20:[1, 32] Operation: 42-10=32 Exploring Operation: 1*42=42, Resulting Numbers: [10, 42] Generated Node #0,4,3: 20:[10, 42] Operation: 1*42=42 Exploring Operation: 42-1=41, Resulting Numbers: [10, 41] Generated Node #0,4,4: 20:[10, 41] Operation: 42-1=41 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 20:[1, 32], Operations: ['69-27=42', '42-10=32'] Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 1*32=32, Resulting Numbers: [32] 32,20 unequal: No Solution Exploring Operation: 1+32=33, Resulting Numbers: [33] 33,20 unequal: No Solution Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,20 unequal: No Solution No 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: 20:[10, 41], Operations: ['69-27=42', '42-1=41'] Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 10+41=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 10*41=410, Resulting Numbers: [410] 410,20 unequal: No Solution No 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: 20:[42, 10], Operations: ['69-27=42', '10*1=10'] Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,20 unequal: No Solution Exploring Operation: 42+10=52, Resulting Numbers: [52] 52,20 unequal: No Solution Exploring Operation: 42*10=420, Resulting Numbers: [420] 420,20 unequal: No Solution No 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: 20:[42, 10], Operations: ['69-27=42', '10/1=10'] Exploring Operation: 42+10=52, Resulting Numbers: [52] 52,20 unequal: No Solution Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,20 unequal: No Solution Exploring Operation: 42*10=420, Resulting Numbers: [420] 420,20 unequal: No Solution No 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: 20:[10, 42], Operations: ['69-27=42', '1*42=42'] Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,20 unequal: No Solution Exploring Operation: 10+42=52, Resulting Numbers: [52] 52,20 unequal: No Solution Exploring Operation: 10*42=420, Resulting Numbers: [420] 420,20 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: 20:[27, 1, 59], Operations: ['69-10=59'] Exploring Operation: 27-1=26, Resulting Numbers: [59, 26] Generated Node #0,1,0: 20:[59, 26] Operation: 27-1=26 Exploring Operation: 59-27=32, Resulting Numbers: [1, 32] Generated Node #0,1,1: 20:[1, 32] Operation: 59-27=32 Exploring Operation: 27/1=27, Resulting Numbers: [59, 27] Generated Node #0,1,2: 20:[59, 27] Operation: 27/1=27 Exploring Operation: 27*1=27, Resulting Numbers: [59, 27] Generated Node #0,1,3: 20:[59, 27] Operation: 27*1=27 Exploring Operation: 59-1=58, Resulting Numbers: [27, 58] Generated Node #0,1,4: 20:[27, 58] Operation: 59-1=58 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 20:[1, 32], Operations: ['69-10=59', '59-27=32'] Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 1+32=33, Resulting Numbers: [33] 33,20 unequal: No Solution Exploring Operation: 1*32=32, Resulting Numbers: [32] 32,20 unequal: No Solution Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,20 unequal: No Solution No 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: 20:[59, 26], Operations: ['69-10=59', '27-1=26'] Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,20 unequal: No Solution Exploring Operation: 59*26=1534, Resulting Numbers: [1534] 1534,20 unequal: No Solution Exploring Operation: 59+26=85, Resulting Numbers: [85] 85,20 unequal: No Solution No 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: 20:[27, 58], Operations: ['69-10=59', '59-1=58'] Exploring Operation: 27+58=85, Resulting Numbers: [85] 85,20 unequal: No Solution Exploring Operation: 27*58=1566, Resulting Numbers: [1566] 1566,20 unequal: No Solution Exploring Operation: 58-27=31, Resulting Numbers: [31] 31,20 unequal: No Solution No 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: 20:[59, 27], Operations: ['69-10=59', '27/1=27'] Exploring Operation: 59*27=1593, Resulting Numbers: [1593] 1593,20 unequal: No Solution Exploring Operation: 59-27=32, Resulting Numbers: [32] 32,20 unequal: No Solution Exploring Operation: 59+27=86, Resulting Numbers: [86] 86,20 unequal: No Solution No 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: 20:[59, 27], Operations: ['69-10=59', '27*1=27'] Exploring Operation: 59-27=32, Resulting Numbers: [32] 32,20 unequal: No Solution Exploring Operation: 59+27=86, Resulting Numbers: [86] 86,20 unequal: No Solution Exploring Operation: 59*27=1593, Resulting Numbers: [1593] 1593,20 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: 20:[69, 1, 17], Operations: ['27-10=17'] Exploring Operation: 1+17=18, Resulting Numbers: [69, 18] Generated Node #0,3,0: 20:[69, 18] Operation: 1+17=18 Exploring Operation: 69-1=68, Resulting Numbers: [17, 68] Generated Node #0,3,1: 20:[17, 68] Operation: 69-1=68 Exploring Operation: 69*1=69, Resulting Numbers: [17, 69] Generated Node #0,3,2: 20:[17, 69] Operation: 69*1=69 Exploring Operation: 69/1=69, Resulting Numbers: [17, 69] Generated Node #0,3,3: 20:[17, 69] Operation: 69/1=69 Exploring Operation: 69-17=52, Resulting Numbers: [1, 52] Generated Node #0,3,4: 20:[1, 52] Operation: 69-17=52 Moving to Node #0,0 Current State: 20:[69, 10, 26], Operations: ['27-1=26'] Exploring Operation: 69-26=43, Resulting Numbers: [10, 43] Generated Node #0,0,0: 20:[10, 43] Operation: 69-26=43 Exploring Operation: 69+10=79, Resulting Numbers: [26, 79] Generated Node #0,0,1: 20:[26, 79] Operation: 69+10=79 Exploring Operation: 69-10=59, Resulting Numbers: [26, 59] Generated Node #0,0,2: 20:[26, 59] Operation: 69-10=59 Exploring Operation: 26-10=16, Resulting Numbers: [69, 16] Generated Node #0,0,3: 20:[69, 16] Operation: 26-10=16 Exploring Operation: 10+26=36, Resulting Numbers: [69, 36] Generated Node #0,0,4: 20:[69, 36] Operation: 10+26=36 Moving to Node #0,2 Current State: 20:[10, 27, 68], Operations: ['69-1=68'] Exploring Operation: 10+27=37, Resulting Numbers: [68, 37] Generated Node #0,2,0: 20:[68, 37] Operation: 10+27=37 Exploring Operation: 27-10=17, Resulting Numbers: [68, 17] Generated Node #0,2,1: 20:[68, 17] Operation: 27-10=17 Exploring Operation: 10+68=78, Resulting Numbers: [27, 78] Generated Node #0,2,2: 20:[27, 78] Operation: 10+68=78 Exploring Operation: 68-27=41, Resulting Numbers: [10, 41] Generated Node #0,2,3: 20:[10, 41] Operation: 68-27=41 Exploring Operation: 68-10=58, Resulting Numbers: [27, 58] Generated Node #0,2,4: 20:[27, 58] Operation: 68-10=58 Moving to Node #0,2,3 Current State: 20:[10, 41], Operations: ['69-1=68', '68-27=41'] Exploring Operation: 10*41=410, Resulting Numbers: [410] 410,20 unequal: No Solution Exploring Operation: 10+41=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[10, 43], Operations: ['27-1=26', '69-26=43'] Exploring Operation: 10+43=53, Resulting Numbers: [53] 53,20 unequal: No Solution Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,20 unequal: No Solution Exploring Operation: 10*43=430, Resulting Numbers: [430] 430,20 unequal: No Solution Moving to Node #0,3,4 Current State: 20:[1, 52], Operations: ['27-10=17', '69-17=52'] Exploring Operation: 1+52=53, Resulting Numbers: [53] 53,20 unequal: No Solution Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 1*52=52, Resulting Numbers: [52] 52,20 unequal: No Solution Exploring Operation: 52/1=52, Resulting Numbers: [52] 52,20 unequal: No Solution Moving to Node #0,0,2 Current State: 20:[26, 59], Operations: ['27-1=26', '69-10=59'] Exploring Operation: 26+59=85, Resulting Numbers: [85] 85,20 unequal: No Solution Exploring Operation: 26*59=1534, Resulting Numbers: [1534] 1534,20 unequal: No Solution Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,20 unequal: No Solution Moving to Node #0,2,4 Current State: 20:[27, 58], Operations: ['69-1=68', '68-10=58'] Exploring Operation: 58-27=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 27+58=85, Resulting Numbers: [85] 85,20 unequal: No Solution Exploring Operation: 27*58=1566, Resulting Numbers: [1566] 1566,20 unequal: No Solution Moving to Node #0,3,1 Current State: 20:[17, 68], Operations: ['27-10=17', '69-1=68'] Exploring Operation: 68/17=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 68-17=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 17+68=85, Resulting Numbers: [85] 85,20 unequal: No Solution Exploring Operation: 17*68=1156, Resulting Numbers: [1156] 1156,20 unequal: No Solution Moving to Node #0,2,1 Current State: 20:[68, 17], Operations: ['69-1=68', '27-10=17'] Exploring Operation: 68-17=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 68/17=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 68*17=1156, Resulting Numbers: [1156] 1156,20 unequal: No Solution Exploring Operation: 68+17=85, Resulting Numbers: [85] 85,20 unequal: No Solution Moving to Node #0,3,0 Current State: 20:[69, 18], Operations: ['27-10=17', '1+17=18'] Exploring Operation: 69*18=1242, Resulting Numbers: [1242] 1242,20 unequal: No Solution Exploring Operation: 69-18=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 69+18=87, Resulting Numbers: [87] 87,20 unequal: No Solution Moving to Node #0,3,3 Current State: 20:[17, 69], Operations: ['27-10=17', '69/1=69'] Exploring Operation: 17+69=86, Resulting Numbers: [86] 86,20 unequal: No Solution Exploring Operation: 69-17=52, Resulting Numbers: [52] 52,20 unequal: No Solution Exploring Operation: 17*69=1173, Resulting Numbers: [1173] 1173,20 unequal: No Solution Moving to Node #0,3,2 Current State: 20:[17, 69], Operations: ['27-10=17', '69*1=69'] Exploring Operation: 17+69=86, Resulting Numbers: [86] 86,20 unequal: No Solution Exploring Operation: 69-17=52, Resulting Numbers: [52] 52,20 unequal: No Solution Exploring Operation: 17*69=1173, Resulting Numbers: [1173] 1173,20 unequal: No Solution Moving to Node #0,0,3 Current State: 20:[69, 16], Operations: ['27-1=26', '26-10=16'] Exploring Operation: 69-16=53, Resulting Numbers: [53] 53,20 unequal: No Solution Exploring Operation: 69*16=1104, Resulting Numbers: [1104] 1104,20 unequal: No Solution Exploring Operation: 69+16=85, Resulting Numbers: [85] 85,20 unequal: No Solution Moving to Node #0,2,0 Current State: 20:[68, 37], Operations: ['69-1=68', '10+27=37'] Exploring Operation: 68*37=2516, Resulting Numbers: [2516] 2516,20 unequal: No Solution Exploring Operation: 68-37=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 68+37=105, Resulting Numbers: [105] 105,20 unequal: No Solution Moving to Node #0,2,2 Current State: 20:[27, 78], Operations: ['69-1=68', '10+68=78'] Exploring Operation: 78-27=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 27*78=2106, Resulting Numbers: [2106] 2106,20 unequal: No Solution Exploring Operation: 27+78=105, Resulting Numbers: [105] 105,20 unequal: No Solution Moving to Node #0,0,1 Current State: 20:[26, 79], Operations: ['27-1=26', '69+10=79'] Exploring Operation: 79-26=53, Resulting Numbers: [53] 53,20 unequal: No Solution Exploring Operation: 26*79=2054, Resulting Numbers: [2054] 2054,20 unequal: No Solution Exploring Operation: 26+79=105, Resulting Numbers: [105] 105,20 unequal: No Solution Moving to Node #0,0,4 Current State: 20:[69, 36], Operations: ['27-1=26', '10+26=36'] Exploring Operation: 69*36=2484, Resulting Numbers: [2484] 2484,20 unequal: No Solution Exploring Operation: 69+36=105, Resulting Numbers: [105] 105,20 unequal: No Solution Exploring Operation: 69-36=33, Resulting Numbers: [33] 33,20 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 38, 7, 34, 12 ]
23
[ "38+7=45", "34-12=22", "45-22=23" ]
Current State: 23:[38, 7, 34, 12], Operations: [] Exploring Operation: 38+7=45, Resulting Numbers: [34, 12, 45] Generated Node #2: [34, 12, 45] from Operation: 38+7=45 Current State: 23:[34, 12, 45], Operations: ['38+7=45'] Exploring Operation: 34-12=22, Resulting Numbers: [45, 22] Generated Node #3: [45, 22] from Operation: 34-12=22 Current State: 23:[45, 22], Operations: ['38+7=45', '34-12=22'] Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[38, 7, 34, 12], Operations: [] Exploring Operation: 34-7=27, Resulting Numbers: [38, 12, 27] Generated Node #0,0: 23:[38, 12, 27] Operation: 34-7=27 Exploring Operation: 38-12=26, Resulting Numbers: [7, 34, 26] Generated Node #0,1: 23:[7, 34, 26] Operation: 38-12=26 Exploring Operation: 7+12=19, Resulting Numbers: [38, 34, 19] Generated Node #0,2: 23:[38, 34, 19] Operation: 7+12=19 Exploring Operation: 38-7=31, Resulting Numbers: [34, 12, 31] Generated Node #0,3: 23:[34, 12, 31] Operation: 38-7=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[38, 12, 27], Operations: ['34-7=27'] Exploring Operation: 38-27=11, Resulting Numbers: [12, 11] Generated Node #0,0,0: 23:[12, 11] Operation: 38-27=11 Exploring Operation: 27-12=15, Resulting Numbers: [38, 15] Generated Node #0,0,1: 23:[38, 15] Operation: 27-12=15 Exploring Operation: 38-12=26, Resulting Numbers: [27, 26] Generated Node #0,0,2: 23:[27, 26] Operation: 38-12=26 Exploring Operation: 38+12=50, Resulting Numbers: [27, 50] Generated Node #0,0,3: 23:[27, 50] Operation: 38+12=50 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 23:[27, 26], Operations: ['34-7=27', '38-12=26'] Exploring Operation: 27-26=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 27+26=53, Resulting Numbers: [53] 53,23 unequal: No Solution Exploring Operation: 27*26=702, Resulting Numbers: [702] 702,23 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: 23:[12, 11], Operations: ['34-7=27', '38-27=11'] Exploring Operation: 12*11=132, Resulting Numbers: [132] 132,23 unequal: No Solution Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[38, 7, 34, 12], Operations: [] Exploring Operation: 34-7=27, Resulting Numbers: [38, 12, 27] Generated Node #0,0: 23:[38, 12, 27] Operation: 34-7=27 Moving to Node #0,0 Current State: 23:[38, 12, 27], Operations: ['34-7=27'] Exploring Operation: 38-27=11, Resulting Numbers: [12, 11] Generated Node #0,0,0: 23:[12, 11] Operation: 38-27=11 Moving to Node #0,0,0 Current State: 23:[12, 11], Operations: ['34-7=27', '38-27=11'] Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 97, 65, 43, 18 ]
91
[ "65+43=108", "108/18=6", "97-6=91" ]
Current State: 91:[97, 65, 43, 18], Operations: [] Exploring Operation: 65+43=108, Resulting Numbers: [97, 18, 108] Generated Node #2: [97, 18, 108] from Operation: 65+43=108 Current State: 91:[97, 18, 108], Operations: ['65+43=108'] Exploring Operation: 108/18=6, Resulting Numbers: [97, 6] Generated Node #3: [97, 6] from Operation: 108/18=6 Current State: 91:[97, 6], Operations: ['65+43=108', '108/18=6'] Exploring Operation: 97-6=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[97, 65, 43, 18], Operations: [] Exploring Operation: 65-43=22, Resulting Numbers: [97, 18, 22] Generated Node #0,0: 91:[97, 18, 22] Operation: 65-43=22 Exploring Operation: 65+43=108, Resulting Numbers: [97, 18, 108] Generated Node #0,1: 91:[97, 18, 108] Operation: 65+43=108 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[97, 18, 22], Operations: ['65-43=22'] Exploring Operation: 22-18=4, Resulting Numbers: [97, 4] Generated Node #0,0,0: 91:[97, 4] Operation: 22-18=4 Exploring Operation: 97-18=79, Resulting Numbers: [22, 79] Generated Node #0,0,1: 91:[22, 79] Operation: 97-18=79 Moving to Node #0,0,0 Current State: 91:[97, 4], Operations: ['65-43=22', '22-18=4'] Exploring Operation: 97+4=101, Resulting Numbers: [101] 101,91 unequal: No Solution Exploring Operation: 97-4=93, Resulting Numbers: [93] 93,91 unequal: No Solution Moving to Node #0,0,1 Current State: 91:[22, 79], Operations: ['65-43=22', '97-18=79'] Exploring Operation: 22+79=101, Resulting Numbers: [101] 101,91 unequal: No Solution Exploring Operation: 79-22=57, Resulting Numbers: [57] 57,91 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 #0,1 Current State: 91:[97, 18, 108], Operations: ['65+43=108'] Exploring Operation: 108-18=90, Resulting Numbers: [97, 90] Generated Node #0,1,0: 91:[97, 90] Operation: 108-18=90 Exploring Operation: 108-97=11, Resulting Numbers: [18, 11] Generated Node #0,1,1: 91:[18, 11] Operation: 108-97=11 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 91:[97, 90], Operations: ['65+43=108', '108-18=90'] Exploring Operation: 97-90=7, Resulting Numbers: [7] 7,91 unequal: No Solution Exploring Operation: 97+90=187, Resulting Numbers: [187] 187,91 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 #0,1,1 Current State: 91:[18, 11], Operations: ['65+43=108', '108-97=11'] Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,91 unequal: No Solution Exploring Operation: 18+11=29, Resulting Numbers: [29] 29,91 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
sum_heuristic
[ 32, 61, 55, 22 ]
16
[ "32+61=93", "55+22=77", "93-77=16" ]
Current State: 16:[32, 61, 55, 22], Operations: [] Exploring Operation: 32+61=93, Resulting Numbers: [55, 22, 93] Generated Node #2: [55, 22, 93] from Operation: 32+61=93 Current State: 16:[55, 22, 93], Operations: ['32+61=93'] Exploring Operation: 55+22=77, Resulting Numbers: [93, 77] Generated Node #3: [93, 77] from Operation: 55+22=77 Current State: 16:[93, 77], Operations: ['32+61=93', '55+22=77'] Exploring Operation: 93-77=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[32, 61, 55, 22], Operations: [] Exploring Operation: 61-55=6, Resulting Numbers: [32, 22, 6] Generated Node #0,0: 16:[32, 22, 6] Operation: 61-55=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[32, 22, 6], Operations: ['61-55=6'] Exploring Operation: 32-22=10, Resulting Numbers: [6, 10] Generated Node #0,0,0: 16:[6, 10] Operation: 32-22=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 16:[6, 10], Operations: ['61-55=6', '32-22=10'] Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[32, 61, 55, 22], Operations: [] Exploring Operation: 61-55=6, Resulting Numbers: [32, 22, 6] Generated Node #0,0: 16:[32, 22, 6] Operation: 61-55=6 Moving to Node #0,0 Current State: 16:[32, 22, 6], Operations: ['61-55=6'] Exploring Operation: 32-22=10, Resulting Numbers: [6, 10] Generated Node #0,0,0: 16:[6, 10] Operation: 32-22=10 Moving to Node #0,0,0 Current State: 16:[6, 10], Operations: ['61-55=6', '32-22=10'] Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 99, 40, 33, 51 ]
41
[ "99-40=59", "51-33=18", "59-18=41" ]
Current State: 41:[99, 40, 33, 51], Operations: [] Exploring Operation: 99-40=59, Resulting Numbers: [33, 51, 59] Generated Node #2: [33, 51, 59] from Operation: 99-40=59 Current State: 41:[33, 51, 59], Operations: ['99-40=59'] Exploring Operation: 51-33=18, Resulting Numbers: [59, 18] Generated Node #3: [59, 18] from Operation: 51-33=18 Current State: 41:[59, 18], Operations: ['99-40=59', '51-33=18'] Exploring Operation: 59-18=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[99, 40, 33, 51], Operations: [] Exploring Operation: 99-40=59, Resulting Numbers: [33, 51, 59] Generated Node #0,0: 41:[33, 51, 59] Operation: 99-40=59 Exploring Operation: 99/33=3, Resulting Numbers: [40, 51, 3] Generated Node #0,1: 41:[40, 51, 3] Operation: 99/33=3 Exploring Operation: 99-51=48, Resulting Numbers: [40, 33, 48] Generated Node #0,2: 41:[40, 33, 48] Operation: 99-51=48 Exploring Operation: 99-33=66, Resulting Numbers: [40, 51, 66] Generated Node #0,3: 41:[40, 51, 66] Operation: 99-33=66 Moving to Node #0,2 Current State: 41:[40, 33, 48], Operations: ['99-51=48'] Exploring Operation: 40-33=7, Resulting Numbers: [48, 7] Generated Node #0,2,0: 41:[48, 7] Operation: 40-33=7 Exploring Operation: 40+33=73, Resulting Numbers: [48, 73] Generated Node #0,2,1: 41:[48, 73] Operation: 40+33=73 Exploring Operation: 48-33=15, Resulting Numbers: [40, 15] Generated Node #0,2,2: 41:[40, 15] Operation: 48-33=15 Exploring Operation: 48-40=8, Resulting Numbers: [33, 8] Generated Node #0,2,3: 41:[33, 8] Operation: 48-40=8 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 41:[40, 15], Operations: ['99-51=48', '48-33=15'] Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 40*15=600, Resulting Numbers: [600] 600,41 unequal: No Solution Exploring Operation: 40+15=55, Resulting Numbers: [55] 55,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 41:[48, 73], Operations: ['99-51=48', '40+33=73'] Exploring Operation: 73-48=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 48*73=3504, Resulting Numbers: [3504] 3504,41 unequal: No Solution Exploring Operation: 48+73=121, Resulting Numbers: [121] 121,41 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 #0,2,0 Current State: 41:[48, 7], Operations: ['99-51=48', '40-33=7'] Exploring Operation: 48+7=55, Resulting Numbers: [55] 55,41 unequal: No Solution Exploring Operation: 48*7=336, Resulting Numbers: [336] 336,41 unequal: No Solution Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[99, 40, 33, 51], Operations: [] Exploring Operation: 99-51=48, Resulting Numbers: [40, 33, 48] Generated Node #0,2: 41:[40, 33, 48] Operation: 99-51=48 Moving to Node #0,2 Current State: 41:[40, 33, 48], Operations: ['99-51=48'] Exploring Operation: 40-33=7, Resulting Numbers: [48, 7] Generated Node #0,2,0: 41:[48, 7] Operation: 40-33=7 Moving to Node #0,2,0 Current State: 41:[48, 7], Operations: ['99-51=48', '40-33=7'] Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 54, 96, 81, 19 ]
45
[ "54*96=5184", "5184/81=64", "64-19=45" ]
Current State: 45:[54, 96, 81, 19], Operations: [] Exploring Operation: 54*96=5184, Resulting Numbers: [81, 19, 5184] Generated Node #2: [81, 19, 5184] from Operation: 54*96=5184 Current State: 45:[81, 19, 5184], Operations: ['54*96=5184'] Exploring Operation: 5184/81=64, Resulting Numbers: [19, 64] Generated Node #3: [19, 64] from Operation: 5184/81=64 Current State: 45:[19, 64], Operations: ['54*96=5184', '5184/81=64'] Exploring Operation: 64-19=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[54, 96, 81, 19], Operations: [] Exploring Operation: 96-19=77, Resulting Numbers: [54, 81, 77] Generated Node #0,0: 45:[54, 81, 77] Operation: 96-19=77 Exploring Operation: 81-54=27, Resulting Numbers: [96, 19, 27] Generated Node #0,1: 45:[96, 19, 27] Operation: 81-54=27 Exploring Operation: 96-54=42, Resulting Numbers: [81, 19, 42] Generated Node #0,2: 45:[81, 19, 42] Operation: 96-54=42 Exploring Operation: 96-81=15, Resulting Numbers: [54, 19, 15] Generated Node #0,3: 45:[54, 19, 15] Operation: 96-81=15 Start Sub Search at level 1: Moving to Node #0,3 Current State: 45:[54, 19, 15], Operations: ['96-81=15'] Exploring Operation: 54-15=39, Resulting Numbers: [19, 39] Generated Node #0,3,0: 45:[19, 39] Operation: 54-15=39 Exploring Operation: 54-19=35, Resulting Numbers: [15, 35] Generated Node #0,3,1: 45:[15, 35] Operation: 54-19=35 Exploring Operation: 19+15=34, Resulting Numbers: [54, 34] Generated Node #0,3,2: 45:[54, 34] Operation: 19+15=34 Exploring Operation: 19-15=4, Resulting Numbers: [54, 4] Generated Node #0,3,3: 45:[54, 4] Operation: 19-15=4 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 45:[19, 39], Operations: ['96-81=15', '54-15=39'] Exploring Operation: 19*39=741, Resulting Numbers: [741] 741,45 unequal: No Solution Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,45 unequal: No Solution Exploring Operation: 19+39=58, Resulting Numbers: [58] 58,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 45:[15, 35], Operations: ['96-81=15', '54-19=35'] Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,45 unequal: No Solution Exploring Operation: 15+35=50, Resulting Numbers: [50] 50,45 unequal: No Solution Exploring Operation: 15*35=525, Resulting Numbers: [525] 525,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 45:[54, 4], Operations: ['96-81=15', '19-15=4'] Exploring Operation: 54*4=216, Resulting Numbers: [216] 216,45 unequal: No Solution Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,45 unequal: No Solution Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 45:[54, 34], Operations: ['96-81=15', '19+15=34'] Exploring Operation: 54*34=1836, Resulting Numbers: [1836] 1836,45 unequal: No Solution Exploring Operation: 54+34=88, Resulting Numbers: [88] 88,45 unequal: No Solution Exploring Operation: 54-34=20, Resulting Numbers: [20] 20,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[81, 19, 42], Operations: ['96-54=42'] Exploring Operation: 42-19=23, Resulting Numbers: [81, 23] Generated Node #0,2,0: 45:[81, 23] Operation: 42-19=23 Exploring Operation: 81-42=39, Resulting Numbers: [19, 39] Generated Node #0,2,1: 45:[19, 39] Operation: 81-42=39 Exploring Operation: 81-19=62, Resulting Numbers: [42, 62] Generated Node #0,2,2: 45:[42, 62] Operation: 81-19=62 Exploring Operation: 19+42=61, Resulting Numbers: [81, 61] Generated Node #0,2,3: 45:[81, 61] Operation: 19+42=61 Moving to Node #0,2,1 Current State: 45:[19, 39], Operations: ['96-54=42', '81-42=39'] Exploring Operation: 19*39=741, Resulting Numbers: [741] 741,45 unequal: No Solution Exploring Operation: 19+39=58, Resulting Numbers: [58] 58,45 unequal: No Solution Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,45 unequal: No Solution Moving to Node #0,2,2 Current State: 45:[42, 62], Operations: ['96-54=42', '81-19=62'] Exploring Operation: 62-42=20, Resulting Numbers: [20] 20,45 unequal: No Solution Exploring Operation: 42+62=104, Resulting Numbers: [104] 104,45 unequal: No Solution Exploring Operation: 42*62=2604, Resulting Numbers: [2604] 2604,45 unequal: No Solution Moving to Node #0,2,0 Current State: 45:[81, 23], Operations: ['96-54=42', '42-19=23'] Exploring Operation: 81*23=1863, Resulting Numbers: [1863] 1863,45 unequal: No Solution Exploring Operation: 81-23=58, Resulting Numbers: [58] 58,45 unequal: No Solution Exploring Operation: 81+23=104, Resulting Numbers: [104] 104,45 unequal: No Solution Moving to Node #0,2,3 Current State: 45:[81, 61], Operations: ['96-54=42', '19+42=61'] Exploring Operation: 81*61=4941, Resulting Numbers: [4941] 4941,45 unequal: No Solution Exploring Operation: 81-61=20, Resulting Numbers: [20] 20,45 unequal: No Solution Exploring Operation: 81+61=142, Resulting Numbers: [142] 142,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[96, 19, 27], Operations: ['81-54=27'] Exploring Operation: 96-19=77, Resulting Numbers: [27, 77] Generated Node #0,1,0: 45:[27, 77] Operation: 96-19=77 Exploring Operation: 96-27=69, Resulting Numbers: [19, 69] Generated Node #0,1,1: 45:[19, 69] Operation: 96-27=69 Exploring Operation: 19+27=46, Resulting Numbers: [96, 46] Generated Node #0,1,2: 45:[96, 46] Operation: 19+27=46 Exploring Operation: 27-19=8, Resulting Numbers: [96, 8] Generated Node #0,1,3: 45:[96, 8] Operation: 27-19=8 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 45:[19, 69], Operations: ['81-54=27', '96-27=69'] Exploring Operation: 19+69=88, Resulting Numbers: [88] 88,45 unequal: No Solution Exploring Operation: 19*69=1311, Resulting Numbers: [1311] 1311,45 unequal: No Solution Exploring Operation: 69-19=50, Resulting Numbers: [50] 50,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 45:[27, 77], Operations: ['81-54=27', '96-19=77'] Exploring Operation: 77-27=50, Resulting Numbers: [50] 50,45 unequal: No Solution Exploring Operation: 27+77=104, Resulting Numbers: [104] 104,45 unequal: No Solution Exploring Operation: 27*77=2079, Resulting Numbers: [2079] 2079,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 45:[96, 46], Operations: ['81-54=27', '19+27=46'] Exploring Operation: 96+46=142, Resulting Numbers: [142] 142,45 unequal: No Solution Exploring Operation: 96*46=4416, Resulting Numbers: [4416] 4416,45 unequal: No Solution Exploring Operation: 96-46=50, Resulting Numbers: [50] 50,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 45:[96, 8], Operations: ['81-54=27', '27-19=8'] Exploring Operation: 96+8=104, Resulting Numbers: [104] 104,45 unequal: No Solution Exploring Operation: 96/8=12, Resulting Numbers: [12] 12,45 unequal: No Solution Exploring Operation: 96*8=768, Resulting Numbers: [768] 768,45 unequal: No Solution Exploring Operation: 96-8=88, Resulting Numbers: [88] 88,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[54, 81, 77], Operations: ['96-19=77'] Exploring Operation: 54+81=135, Resulting Numbers: [77, 135] Generated Node #0,0,0: 45:[77, 135] Operation: 54+81=135 Exploring Operation: 81-54=27, Resulting Numbers: [77, 27] Generated Node #0,0,1: 45:[77, 27] Operation: 81-54=27 Exploring Operation: 81-77=4, Resulting Numbers: [54, 4] Generated Node #0,0,2: 45:[54, 4] Operation: 81-77=4 Exploring Operation: 77-54=23, Resulting Numbers: [81, 23] Generated Node #0,0,3: 45:[81, 23] Operation: 77-54=23 Moving to Node #0,0,2 Current State: 45:[54, 4], Operations: ['96-19=77', '81-77=4'] Exploring Operation: 54*4=216, Resulting Numbers: [216] 216,45 unequal: No Solution Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,45 unequal: No Solution Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,45 unequal: No Solution Moving to Node #0,0,3 Current State: 45:[81, 23], Operations: ['96-19=77', '77-54=23'] Exploring Operation: 81*23=1863, Resulting Numbers: [1863] 1863,45 unequal: No Solution Exploring Operation: 81+23=104, Resulting Numbers: [104] 104,45 unequal: No Solution Exploring Operation: 81-23=58, Resulting Numbers: [58] 58,45 unequal: No Solution Moving to Node #0,0,1 Current State: 45:[77, 27], Operations: ['96-19=77', '81-54=27'] Exploring Operation: 77+27=104, Resulting Numbers: [104] 104,45 unequal: No Solution Exploring Operation: 77-27=50, Resulting Numbers: [50] 50,45 unequal: No Solution Exploring Operation: 77*27=2079, Resulting Numbers: [2079] 2079,45 unequal: No Solution Moving to Node #0,0,0 Current State: 45:[77, 135], Operations: ['96-19=77', '54+81=135'] Exploring Operation: 77*135=10395, Resulting Numbers: [10395] 10395,45 unequal: No Solution Exploring Operation: 77+135=212, Resulting Numbers: [212] 212,45 unequal: No Solution Exploring Operation: 135-77=58, Resulting Numbers: [58] 58,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 74, 29, 63, 74 ]
34
[ "74+29=103", "63+74=137", "137-103=34" ]
Current State: 34:[74, 29, 63, 74], Operations: [] Exploring Operation: 74+29=103, Resulting Numbers: [63, 103] Generated Node #2: [63, 103] from Operation: 74+29=103 Current State: 34:[63, 103], Operations: ['74+29=103'] Exploring Operation: 63+74=137, Resulting Numbers: [103, 137] Generated Node #3: [103, 137] from Operation: 63+74=137 Current State: 34:[103, 137], Operations: ['74+29=103', '63+74=137'] Exploring Operation: 137-103=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[74, 29, 63, 74], Operations: [] Exploring Operation: 74-63=11, Resulting Numbers: [74, 29, 11] Generated Node #0,0: 34:[74, 29, 11] Operation: 74-63=11 Exploring Operation: 74-74=0, Resulting Numbers: [29, 63, 0] Generated Node #0,1: 34:[29, 63, 0] Operation: 74-74=0 Exploring Operation: 74-63=11, Resulting Numbers: [29, 74, 11] Generated Node #0,2: 34:[29, 74, 11] Operation: 74-63=11 Exploring Operation: 74/74=1, Resulting Numbers: [29, 63, 1] Generated Node #0,3: 34:[29, 63, 1] Operation: 74/74=1 Exploring Operation: 74-29=45, Resulting Numbers: [63, 74, 45] Generated Node #0,4: 34:[63, 74, 45] Operation: 74-29=45 Moving to Node #0,3 Current State: 34:[29, 63, 1], Operations: ['74/74=1'] Exploring Operation: 29+1=30, Resulting Numbers: [63, 30] Generated Node #0,3,0: 34:[63, 30] Operation: 29+1=30 Exploring Operation: 29*1=29, Resulting Numbers: [63, 29] Generated Node #0,3,1: 34:[63, 29] Operation: 29*1=29 Exploring Operation: 63-29=34, Resulting Numbers: [1, 34] Generated Node #0,3,2: 34:[1, 34] Operation: 63-29=34 Exploring Operation: 29/1=29, Resulting Numbers: [63, 29] Generated Node #0,3,3: 34:[63, 29] Operation: 29/1=29 Exploring Operation: 63-1=62, Resulting Numbers: [29, 62] Generated Node #0,3,4: 34:[29, 62] Operation: 63-1=62 Moving to Node #0,1 Current State: 34:[29, 63, 0], Operations: ['74-74=0'] Exploring Operation: 29-0=29, Resulting Numbers: [63, 29] Generated Node #0,1,0: 34:[63, 29] Operation: 29-0=29 Exploring Operation: 63-29=34, Resulting Numbers: [0, 34] Generated Node #0,1,1: 34:[0, 34] Operation: 63-29=34 Exploring Operation: 63*0=0, Resulting Numbers: [29, 0] Generated Node #0,1,2: 34:[29, 0] Operation: 63*0=0 Exploring Operation: 29+0=29, Resulting Numbers: [63, 29] Generated Node #0,1,3: 34:[63, 29] Operation: 29+0=29 Exploring Operation: 29*0=0, Resulting Numbers: [63, 0] Generated Node #0,1,4: 34:[63, 0] Operation: 29*0=0 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 34:[0, 34], Operations: ['74-74=0', '63-29=34'] Exploring Operation: 0*34=0, Resulting Numbers: [0] 0,34 unequal: No Solution Exploring Operation: 0+34=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[74, 29, 63, 74], Operations: [] Exploring Operation: 74-74=0, Resulting Numbers: [29, 63, 0] Generated Node #0,1: 34:[29, 63, 0] Operation: 74-74=0 Moving to Node #0,1 Current State: 34:[29, 63, 0], Operations: ['74-74=0'] Exploring Operation: 63-29=34, Resulting Numbers: [0, 34] Generated Node #0,1,1: 34:[0, 34] Operation: 63-29=34 Moving to Node #0,1,1 Current State: 34:[0, 34], Operations: ['74-74=0', '63-29=34'] Exploring Operation: 0+34=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 28, 94, 96, 62 ]
32
[ "94-28=66", "96-62=34", "66-34=32" ]
Current State: 32:[28, 94, 96, 62], Operations: [] Exploring Operation: 94-28=66, Resulting Numbers: [96, 62, 66] Generated Node #2: [96, 62, 66] from Operation: 94-28=66 Current State: 32:[96, 62, 66], Operations: ['94-28=66'] Exploring Operation: 96-62=34, Resulting Numbers: [66, 34] Generated Node #3: [66, 34] from Operation: 96-62=34 Current State: 32:[66, 34], Operations: ['94-28=66', '96-62=34'] Exploring Operation: 66-34=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[28, 94, 96, 62], Operations: [] Exploring Operation: 94-62=32, Resulting Numbers: [28, 96, 32] Generated Node #0,0: 32:[28, 96, 32] Operation: 94-62=32 Exploring Operation: 96-94=2, Resulting Numbers: [28, 62, 2] Generated Node #0,1: 32:[28, 62, 2] Operation: 96-94=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[28, 62, 2], Operations: ['96-94=2'] Exploring Operation: 62-28=34, Resulting Numbers: [2, 34] Generated Node #0,1,0: 32:[2, 34] Operation: 62-28=34 Exploring Operation: 62/2=31, Resulting Numbers: [28, 31] Generated Node #0,1,1: 32:[28, 31] Operation: 62/2=31 Moving to Node #0,1,0 Current State: 32:[2, 34], Operations: ['96-94=2', '62-28=34'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[28, 94, 96, 62], Operations: [] Exploring Operation: 96-94=2, Resulting Numbers: [28, 62, 2] Generated Node #0,1: 32:[28, 62, 2] Operation: 96-94=2 Moving to Node #0,1 Current State: 32:[28, 62, 2], Operations: ['96-94=2'] Exploring Operation: 62-28=34, Resulting Numbers: [2, 34] Generated Node #0,1,0: 32:[2, 34] Operation: 62-28=34 Moving to Node #0,1,0 Current State: 32:[2, 34], Operations: ['96-94=2', '62-28=34'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 94, 19, 58, 87 ]
70
[ "94-19=75", "58+87=145", "145-75=70" ]
Current State: 70:[94, 19, 58, 87], Operations: [] Exploring Operation: 94-19=75, Resulting Numbers: [58, 87, 75] Generated Node #2: [58, 87, 75] from Operation: 94-19=75 Current State: 70:[58, 87, 75], Operations: ['94-19=75'] Exploring Operation: 58+87=145, Resulting Numbers: [75, 145] Generated Node #3: [75, 145] from Operation: 58+87=145 Current State: 70:[75, 145], Operations: ['94-19=75', '58+87=145'] Exploring Operation: 145-75=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[94, 19, 58, 87], Operations: [] Exploring Operation: 94-58=36, Resulting Numbers: [19, 87, 36] Generated Node #0,0: 70:[19, 87, 36] Operation: 94-58=36 Exploring Operation: 94-87=7, Resulting Numbers: [19, 58, 7] Generated Node #0,1: 70:[19, 58, 7] Operation: 94-87=7 Moving to Node #0,1 Current State: 70:[19, 58, 7], Operations: ['94-87=7'] Exploring Operation: 58-19=39, Resulting Numbers: [7, 39] Generated Node #0,1,0: 70:[7, 39] Operation: 58-19=39 Exploring Operation: 19+58=77, Resulting Numbers: [7, 77] Generated Node #0,1,1: 70:[7, 77] Operation: 19+58=77 Moving to Node #0,0 Current State: 70:[19, 87, 36], Operations: ['94-58=36'] Exploring Operation: 87-19=68, Resulting Numbers: [36, 68] Generated Node #0,0,0: 70:[36, 68] Operation: 87-19=68 Exploring Operation: 36-19=17, Resulting Numbers: [87, 17] Generated Node #0,0,1: 70:[87, 17] Operation: 36-19=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[36, 68], Operations: ['94-58=36', '87-19=68'] Exploring Operation: 68-36=32, Resulting Numbers: [32] 32,70 unequal: No Solution Exploring Operation: 36+68=104, Resulting Numbers: [104] 104,70 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 #0,0,1 Current State: 70:[87, 17], Operations: ['94-58=36', '36-19=17'] Exploring Operation: 87-17=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[94, 19, 58, 87], Operations: [] Exploring Operation: 94-58=36, Resulting Numbers: [19, 87, 36] Generated Node #0,0: 70:[19, 87, 36] Operation: 94-58=36 Moving to Node #0,0 Current State: 70:[19, 87, 36], Operations: ['94-58=36'] Exploring Operation: 36-19=17, Resulting Numbers: [87, 17] Generated Node #0,0,1: 70:[87, 17] Operation: 36-19=17 Moving to Node #0,0,1 Current State: 70:[87, 17], Operations: ['94-58=36', '36-19=17'] Exploring Operation: 87-17=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_2
sum_heuristic
[ 41, 44, 57, 26 ]
80
[ "44-41=3", "57+26=83", "83-3=80" ]
Current State: 80:[41, 44, 57, 26], Operations: [] Exploring Operation: 44-41=3, Resulting Numbers: [57, 26, 3] Generated Node #2: [57, 26, 3] from Operation: 44-41=3 Current State: 80:[57, 26, 3], Operations: ['44-41=3'] Exploring Operation: 57+26=83, Resulting Numbers: [3, 83] Generated Node #3: [3, 83] from Operation: 57+26=83 Current State: 80:[3, 83], Operations: ['44-41=3', '57+26=83'] Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[41, 44, 57, 26], Operations: [] Exploring Operation: 57+26=83, Resulting Numbers: [41, 44, 83] Generated Node #0,0: 80:[41, 44, 83] Operation: 57+26=83 Exploring Operation: 57-41=16, Resulting Numbers: [44, 26, 16] Generated Node #0,1: 80:[44, 26, 16] Operation: 57-41=16 Exploring Operation: 57-44=13, Resulting Numbers: [41, 26, 13] Generated Node #0,2: 80:[41, 26, 13] Operation: 57-44=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[41, 44, 83], Operations: ['57+26=83'] Exploring Operation: 83-41=42, Resulting Numbers: [44, 42] Generated Node #0,0,0: 80:[44, 42] Operation: 83-41=42 Exploring Operation: 44-41=3, Resulting Numbers: [83, 3] Generated Node #0,0,1: 80:[83, 3] Operation: 44-41=3 Exploring Operation: 83-44=39, Resulting Numbers: [41, 39] Generated Node #0,0,2: 80:[41, 39] Operation: 83-44=39 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 80:[41, 39], Operations: ['57+26=83', '83-44=39'] Exploring Operation: 41+39=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[41, 44, 57, 26], Operations: [] Exploring Operation: 57+26=83, Resulting Numbers: [41, 44, 83] Generated Node #0,0: 80:[41, 44, 83] Operation: 57+26=83 Moving to Node #0,0 Current State: 80:[41, 44, 83], Operations: ['57+26=83'] Exploring Operation: 83-44=39, Resulting Numbers: [41, 39] Generated Node #0,0,2: 80:[41, 39] Operation: 83-44=39 Moving to Node #0,0,2 Current State: 80:[41, 39], Operations: ['57+26=83', '83-44=39'] Exploring Operation: 41+39=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 44, 41, 49, 42 ]
57
[ "44-42=2", "49*2=98", "98-41=57" ]
Current State: 57:[44, 41, 49, 42], Operations: [] Exploring Operation: 44-42=2, Resulting Numbers: [41, 49, 2] Generated Node #2: [41, 49, 2] from Operation: 44-42=2 Current State: 57:[41, 49, 2], Operations: ['44-42=2'] Exploring Operation: 49*2=98, Resulting Numbers: [41, 98] Generated Node #3: [41, 98] from Operation: 49*2=98 Current State: 57:[41, 98], Operations: ['44-42=2', '49*2=98'] Exploring Operation: 98-41=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[44, 41, 49, 42], Operations: [] Exploring Operation: 44-41=3, Resulting Numbers: [49, 42, 3] Generated Node #0,0: 57:[49, 42, 3] Operation: 44-41=3 Exploring Operation: 42-41=1, Resulting Numbers: [44, 49, 1] Generated Node #0,1: 57:[44, 49, 1] Operation: 42-41=1 Moving to Node #0,0 Current State: 57:[49, 42, 3], Operations: ['44-41=3'] Exploring Operation: 42/3=14, Resulting Numbers: [49, 14] Generated Node #0,0,0: 57:[49, 14] Operation: 42/3=14 Exploring Operation: 49-42=7, Resulting Numbers: [3, 7] Generated Node #0,0,1: 57:[3, 7] Operation: 49-42=7 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 57:[3, 7], Operations: ['44-41=3', '49-42=7'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 57:[49, 14], Operations: ['44-41=3', '42/3=14'] Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,57 unequal: No Solution Exploring Operation: 49+14=63, Resulting Numbers: [63] 63,57 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: 57:[44, 49, 1], Operations: ['42-41=1'] Exploring Operation: 44+1=45, Resulting Numbers: [49, 45] Generated Node #0,1,0: 57:[49, 45] Operation: 44+1=45 Exploring Operation: 49-44=5, Resulting Numbers: [1, 5] Generated Node #0,1,1: 57:[1, 5] Operation: 49-44=5 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 57:[1, 5], Operations: ['42-41=1', '49-44=5'] Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 57:[49, 45], Operations: ['42-41=1', '44+1=45'] Exploring Operation: 49+45=94, Resulting Numbers: [94] 94,57 unequal: No Solution Exploring Operation: 49-45=4, Resulting Numbers: [4] 4,57 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
[ 96, 80, 91, 23 ]
39
[ "96-91=5", "80/5=16", "23+16=39" ]
Current State: 39:[96, 80, 91, 23], Operations: [] Exploring Operation: 96-91=5, Resulting Numbers: [80, 23, 5] Generated Node #2: [80, 23, 5] from Operation: 96-91=5 Current State: 39:[80, 23, 5], Operations: ['96-91=5'] Exploring Operation: 80/5=16, Resulting Numbers: [23, 16] Generated Node #3: [23, 16] from Operation: 80/5=16 Current State: 39:[23, 16], Operations: ['96-91=5', '80/5=16'] Exploring Operation: 23+16=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[96, 80, 91, 23], Operations: [] Exploring Operation: 96-80=16, Resulting Numbers: [91, 23, 16] Generated Node #0,0: 39:[91, 23, 16] Operation: 96-80=16 Exploring Operation: 80-23=57, Resulting Numbers: [96, 91, 57] Generated Node #0,1: 39:[96, 91, 57] Operation: 80-23=57 Exploring Operation: 96-23=73, Resulting Numbers: [80, 91, 73] Generated Node #0,2: 39:[80, 91, 73] Operation: 96-23=73 Exploring Operation: 91-80=11, Resulting Numbers: [96, 23, 11] Generated Node #0,3: 39:[96, 23, 11] Operation: 91-80=11 Exploring Operation: 96-91=5, Resulting Numbers: [80, 23, 5] Generated Node #0,4: 39:[80, 23, 5] Operation: 96-91=5 Moving to Node #0,4 Current State: 39:[80, 23, 5], Operations: ['96-91=5'] Exploring Operation: 23+5=28, Resulting Numbers: [80, 28] Generated Node #0,4,0: 39:[80, 28] Operation: 23+5=28 Exploring Operation: 80-23=57, Resulting Numbers: [5, 57] Generated Node #0,4,1: 39:[5, 57] Operation: 80-23=57 Exploring Operation: 80/5=16, Resulting Numbers: [23, 16] Generated Node #0,4,2: 39:[23, 16] Operation: 80/5=16 Exploring Operation: 80-5=75, Resulting Numbers: [23, 75] Generated Node #0,4,3: 39:[23, 75] Operation: 80-5=75 Exploring Operation: 23-5=18, Resulting Numbers: [80, 18] Generated Node #0,4,4: 39:[80, 18] Operation: 23-5=18 Moving to Node #0,0 Current State: 39:[91, 23, 16], Operations: ['96-80=16'] Exploring Operation: 91-16=75, Resulting Numbers: [23, 75] Generated Node #0,0,0: 39:[23, 75] Operation: 91-16=75 Exploring Operation: 23-16=7, Resulting Numbers: [91, 7] Generated Node #0,0,1: 39:[91, 7] Operation: 23-16=7 Exploring Operation: 91+23=114, Resulting Numbers: [16, 114] Generated Node #0,0,2: 39:[16, 114] Operation: 91+23=114 Exploring Operation: 91-23=68, Resulting Numbers: [16, 68] Generated Node #0,0,3: 39:[16, 68] Operation: 91-23=68 Exploring Operation: 23+16=39, Resulting Numbers: [91, 39] Generated Node #0,0,4: 39:[91, 39] Operation: 23+16=39 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 39:[16, 68], Operations: ['96-80=16', '91-23=68'] Exploring Operation: 16+68=84, Resulting Numbers: [84] 84,39 unequal: No Solution Exploring Operation: 68-16=52, Resulting Numbers: [52] 52,39 unequal: No Solution Exploring Operation: 16*68=1088, Resulting Numbers: [1088] 1088,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[23, 75], Operations: ['96-80=16', '91-16=75'] Exploring Operation: 23+75=98, Resulting Numbers: [98] 98,39 unequal: No Solution Exploring Operation: 75-23=52, Resulting Numbers: [52] 52,39 unequal: No Solution Exploring Operation: 23*75=1725, Resulting Numbers: [1725] 1725,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 39:[91, 39], Operations: ['96-80=16', '23+16=39'] Exploring Operation: 91+39=130, Resulting Numbers: [130] 130,39 unequal: No Solution Exploring Operation: 91*39=3549, Resulting Numbers: [3549] 3549,39 unequal: No Solution Exploring Operation: 91-39=52, Resulting Numbers: [52] 52,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 39:[91, 7], Operations: ['96-80=16', '23-16=7'] Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,39 unequal: No Solution Exploring Operation: 91*7=637, Resulting Numbers: [637] 637,39 unequal: No Solution Exploring Operation: 91+7=98, Resulting Numbers: [98] 98,39 unequal: No Solution Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 39:[16, 114], Operations: ['96-80=16', '91+23=114'] Exploring Operation: 16+114=130, Resulting Numbers: [130] 130,39 unequal: No Solution Exploring Operation: 16*114=1824, Resulting Numbers: [1824] 1824,39 unequal: No Solution Exploring Operation: 114-16=98, Resulting Numbers: [98] 98,39 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: 39:[96, 23, 11], Operations: ['91-80=11'] Exploring Operation: 96+11=107, Resulting Numbers: [23, 107] Generated Node #0,3,0: 39:[23, 107] Operation: 96+11=107 Exploring Operation: 23+11=34, Resulting Numbers: [96, 34] Generated Node #0,3,1: 39:[96, 34] Operation: 23+11=34 Exploring Operation: 23-11=12, Resulting Numbers: [96, 12] Generated Node #0,3,2: 39:[96, 12] Operation: 23-11=12 Exploring Operation: 96-11=85, Resulting Numbers: [23, 85] Generated Node #0,3,3: 39:[23, 85] Operation: 96-11=85 Exploring Operation: 96-23=73, Resulting Numbers: [11, 73] Generated Node #0,3,4: 39:[11, 73] Operation: 96-23=73 Moving to Node #0,1 Current State: 39:[96, 91, 57], Operations: ['80-23=57'] Exploring Operation: 96-57=39, Resulting Numbers: [91, 39] Generated Node #0,1,0: 39:[91, 39] Operation: 96-57=39 Exploring Operation: 96-91=5, Resulting Numbers: [57, 5] Generated Node #0,1,1: 39:[57, 5] Operation: 96-91=5 Exploring Operation: 96+91=187, Resulting Numbers: [57, 187] Generated Node #0,1,2: 39:[57, 187] Operation: 96+91=187 Exploring Operation: 96+57=153, Resulting Numbers: [91, 153] Generated Node #0,1,3: 39:[91, 153] Operation: 96+57=153 Exploring Operation: 91-57=34, Resulting Numbers: [96, 34] Generated Node #0,1,4: 39:[96, 34] Operation: 91-57=34 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[57, 5], Operations: ['80-23=57', '96-91=5'] Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,39 unequal: No Solution Exploring Operation: 57*5=285, Resulting Numbers: [285] 285,39 unequal: No Solution Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 39:[91, 39], Operations: ['80-23=57', '96-57=39'] Exploring Operation: 91*39=3549, Resulting Numbers: [3549] 3549,39 unequal: No Solution Exploring Operation: 91-39=52, Resulting Numbers: [52] 52,39 unequal: No Solution Exploring Operation: 91+39=130, Resulting Numbers: [130] 130,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 39:[96, 34], Operations: ['80-23=57', '91-57=34'] Exploring Operation: 96+34=130, Resulting Numbers: [130] 130,39 unequal: No Solution Exploring Operation: 96-34=62, Resulting Numbers: [62] 62,39 unequal: No Solution Exploring Operation: 96*34=3264, Resulting Numbers: [3264] 3264,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 39:[57, 187], Operations: ['80-23=57', '96+91=187'] Exploring Operation: 187-57=130, Resulting Numbers: [130] 130,39 unequal: No Solution Exploring Operation: 57+187=244, Resulting Numbers: [244] 244,39 unequal: No Solution Exploring Operation: 57*187=10659, Resulting Numbers: [10659] 10659,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 39:[91, 153], Operations: ['80-23=57', '96+57=153'] Exploring Operation: 91*153=13923, Resulting Numbers: [13923] 13923,39 unequal: No Solution Exploring Operation: 153-91=62, Resulting Numbers: [62] 62,39 unequal: No Solution Exploring Operation: 91+153=244, Resulting Numbers: [244] 244,39 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: 39:[80, 91, 73], Operations: ['96-23=73'] Exploring Operation: 80+91=171, Resulting Numbers: [73, 171] Generated Node #0,2,0: 39:[73, 171] Operation: 80+91=171 Exploring Operation: 91-73=18, Resulting Numbers: [80, 18] Generated Node #0,2,1: 39:[80, 18] Operation: 91-73=18 Exploring Operation: 80-73=7, Resulting Numbers: [91, 7] Generated Node #0,2,2: 39:[91, 7] Operation: 80-73=7 Exploring Operation: 80+73=153, Resulting Numbers: [91, 153] Generated Node #0,2,3: 39:[91, 153] Operation: 80+73=153 Exploring Operation: 91-80=11, Resulting Numbers: [73, 11] Generated Node #0,2,4: 39:[73, 11] Operation: 91-80=11 Moving to Node #0,4,2 Current State: 39:[23, 16], Operations: ['96-91=5', '80/5=16'] Exploring Operation: 23+16=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[96, 80, 91, 23], Operations: [] Exploring Operation: 96-91=5, Resulting Numbers: [80, 23, 5] Generated Node #0,4: 39:[80, 23, 5] Operation: 96-91=5 Moving to Node #0,4 Current State: 39:[80, 23, 5], Operations: ['96-91=5'] Exploring Operation: 80/5=16, Resulting Numbers: [23, 16] Generated Node #0,4,2: 39:[23, 16] Operation: 80/5=16 Moving to Node #0,4,2 Current State: 39:[23, 16], Operations: ['96-91=5', '80/5=16'] Exploring Operation: 23+16=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.942708
hs_5
mult_heuristic
[ 52, 7, 61, 18 ]
45
[ "61-52=9", "7*9=63", "63-18=45" ]
Current State: 45:[52, 7, 61, 18], Operations: [] Exploring Operation: 61-52=9, Resulting Numbers: [7, 18, 9] Generated Node #2: [7, 18, 9] from Operation: 61-52=9 Current State: 45:[7, 18, 9], Operations: ['61-52=9'] Exploring Operation: 7*9=63, Resulting Numbers: [18, 63] Generated Node #3: [18, 63] from Operation: 7*9=63 Current State: 45:[18, 63], Operations: ['61-52=9', '7*9=63'] Exploring Operation: 63-18=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[52, 7, 61, 18], Operations: [] Exploring Operation: 61-18=43, Resulting Numbers: [52, 7, 43] Generated Node #0,0: 45:[52, 7, 43] Operation: 61-18=43 Exploring Operation: 61-52=9, Resulting Numbers: [7, 18, 9] Generated Node #0,1: 45:[7, 18, 9] Operation: 61-52=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[7, 18, 9], Operations: ['61-52=9'] Exploring Operation: 18-9=9, Resulting Numbers: [7, 9] Generated Node #0,1,0: 45:[7, 9] Operation: 18-9=9 Exploring Operation: 18-7=11, Resulting Numbers: [9, 11] Generated Node #0,1,1: 45:[9, 11] Operation: 18-7=11 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 45:[7, 9], Operations: ['61-52=9', '18-9=9'] Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,45 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 45:[9, 11], Operations: ['61-52=9', '18-7=11'] Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,45 unequal: No Solution Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[52, 7, 43], Operations: ['61-18=43'] Exploring Operation: 52-43=9, Resulting Numbers: [7, 9] Generated Node #0,0,0: 45:[7, 9] Operation: 52-43=9 Exploring Operation: 52-7=45, Resulting Numbers: [43, 45] Generated Node #0,0,1: 45:[43, 45] Operation: 52-7=45 Moving to Node #0,0,0 Current State: 45:[7, 9], Operations: ['61-18=43', '52-43=9'] Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,45 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,45 unequal: No Solution Moving to Node #0,0,1 Current State: 45:[43, 45], Operations: ['61-18=43', '52-7=45'] Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,45 unequal: No Solution Exploring Operation: 43+45=88, Resulting Numbers: [88] 88,45 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
[ 32, 97, 2, 58 ]
45
[ "58-32=26", "2*26=52", "97-52=45" ]
Current State: 45:[32, 97, 2, 58], Operations: [] Exploring Operation: 58-32=26, Resulting Numbers: [97, 2, 26] Generated Node #2: [97, 2, 26] from Operation: 58-32=26 Current State: 45:[97, 2, 26], Operations: ['58-32=26'] Exploring Operation: 2*26=52, Resulting Numbers: [97, 52] Generated Node #3: [97, 52] from Operation: 2*26=52 Current State: 45:[97, 52], Operations: ['58-32=26', '2*26=52'] Exploring Operation: 97-52=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[32, 97, 2, 58], Operations: [] Exploring Operation: 97-58=39, Resulting Numbers: [32, 2, 39] Generated Node #0,0: 45:[32, 2, 39] Operation: 97-58=39 Moving to Node #0,0 Current State: 45:[32, 2, 39], Operations: ['97-58=39'] Exploring Operation: 39-32=7, Resulting Numbers: [2, 7] Generated Node #0,0,0: 45:[2, 7] Operation: 39-32=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 45:[2, 7], Operations: ['97-58=39', '39-32=7'] Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,45 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
[ 75, 45, 95, 19 ]
45
[ "95-75=20", "20-19=1", "45*1=45" ]
Current State: 45:[75, 45, 95, 19], Operations: [] Exploring Operation: 95-75=20, Resulting Numbers: [45, 19, 20] Generated Node #2: [45, 19, 20] from Operation: 95-75=20 Current State: 45:[45, 19, 20], Operations: ['95-75=20'] Exploring Operation: 20-19=1, Resulting Numbers: [45, 1] Generated Node #3: [45, 1] from Operation: 20-19=1 Current State: 45:[45, 1], Operations: ['95-75=20', '20-19=1'] Exploring Operation: 45*1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[75, 45, 95, 19], Operations: [] Exploring Operation: 75-19=56, Resulting Numbers: [45, 95, 56] Generated Node #0,0: 45:[45, 95, 56] Operation: 75-19=56 Exploring Operation: 95/19=5, Resulting Numbers: [75, 45, 5] Generated Node #0,1: 45:[75, 45, 5] Operation: 95/19=5 Exploring Operation: 95-45=50, Resulting Numbers: [75, 19, 50] Generated Node #0,2: 45:[75, 19, 50] Operation: 95-45=50 Exploring Operation: 95-19=76, Resulting Numbers: [75, 45, 76] Generated Node #0,3: 45:[75, 45, 76] Operation: 95-19=76 Exploring Operation: 95-75=20, Resulting Numbers: [45, 19, 20] Generated Node #0,4: 45:[45, 19, 20] Operation: 95-75=20 Moving to Node #0,4 Current State: 45:[45, 19, 20], Operations: ['95-75=20'] Exploring Operation: 20-19=1, Resulting Numbers: [45, 1] Generated Node #0,4,0: 45:[45, 1] Operation: 20-19=1 Exploring Operation: 45-20=25, Resulting Numbers: [19, 25] Generated Node #0,4,1: 45:[19, 25] Operation: 45-20=25 Exploring Operation: 45+19=64, Resulting Numbers: [20, 64] Generated Node #0,4,2: 45:[20, 64] Operation: 45+19=64 Exploring Operation: 19+20=39, Resulting Numbers: [45, 39] Generated Node #0,4,3: 45:[45, 39] Operation: 19+20=39 Exploring Operation: 45-19=26, Resulting Numbers: [20, 26] Generated Node #0,4,4: 45:[20, 26] Operation: 45-19=26 Moving to Node #0,1 Current State: 45:[75, 45, 5], Operations: ['95/19=5'] Exploring Operation: 75-5=70, Resulting Numbers: [45, 70] Generated Node #0,1,0: 45:[45, 70] Operation: 75-5=70 Exploring Operation: 75+5=80, Resulting Numbers: [45, 80] Generated Node #0,1,1: 45:[45, 80] Operation: 75+5=80 Exploring Operation: 45/5=9, Resulting Numbers: [75, 9] Generated Node #0,1,2: 45:[75, 9] Operation: 45/5=9 Exploring Operation: 75-45=30, Resulting Numbers: [5, 30] Generated Node #0,1,3: 45:[5, 30] Operation: 75-45=30 Exploring Operation: 75/5=15, Resulting Numbers: [45, 15] Generated Node #0,1,4: 45:[45, 15] Operation: 75/5=15 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 45:[45, 15], Operations: ['95/19=5', '75/5=15'] Exploring Operation: 45-15=30, Resulting Numbers: [30] 30,45 unequal: No Solution Exploring Operation: 45+15=60, Resulting Numbers: [60] 60,45 unequal: No Solution Exploring Operation: 45/15=3, Resulting Numbers: [3] 3,45 unequal: No Solution Exploring Operation: 45*15=675, Resulting Numbers: [675] 675,45 unequal: No Solution No 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: 45:[5, 30], Operations: ['95/19=5', '75-45=30'] Exploring Operation: 5*30=150, Resulting Numbers: [150] 150,45 unequal: No Solution Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,45 unequal: No Solution Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,45 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,45 unequal: No Solution No 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: 45:[45, 70], Operations: ['95/19=5', '75-5=70'] Exploring Operation: 45+70=115, Resulting Numbers: [115] 115,45 unequal: No Solution Exploring Operation: 70-45=25, Resulting Numbers: [25] 25,45 unequal: No Solution Exploring Operation: 45*70=3150, Resulting Numbers: [3150] 3150,45 unequal: No Solution No 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: 45:[75, 9], Operations: ['95/19=5', '45/5=9'] Exploring Operation: 75*9=675, Resulting Numbers: [675] 675,45 unequal: No Solution Exploring Operation: 75+9=84, Resulting Numbers: [84] 84,45 unequal: No Solution Exploring Operation: 75-9=66, Resulting Numbers: [66] 66,45 unequal: No Solution No 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: 45:[45, 80], Operations: ['95/19=5', '75+5=80'] Exploring Operation: 45*80=3600, Resulting Numbers: [3600] 3600,45 unequal: No Solution Exploring Operation: 45+80=125, Resulting Numbers: [125] 125,45 unequal: No Solution Exploring Operation: 80-45=35, Resulting Numbers: [35] 35,45 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: 45:[75, 19, 50], Operations: ['95-45=50'] Exploring Operation: 75-19=56, Resulting Numbers: [50, 56] Generated Node #0,2,0: 45:[50, 56] Operation: 75-19=56 Exploring Operation: 50-19=31, Resulting Numbers: [75, 31] Generated Node #0,2,1: 45:[75, 31] Operation: 50-19=31 Exploring Operation: 75-50=25, Resulting Numbers: [19, 25] Generated Node #0,2,2: 45:[19, 25] Operation: 75-50=25 Exploring Operation: 19+50=69, Resulting Numbers: [75, 69] Generated Node #0,2,3: 45:[75, 69] Operation: 19+50=69 Exploring Operation: 75+19=94, Resulting Numbers: [50, 94] Generated Node #0,2,4: 45:[50, 94] Operation: 75+19=94 Moving to Node #0,0 Current State: 45:[45, 95, 56], Operations: ['75-19=56'] Exploring Operation: 45+95=140, Resulting Numbers: [56, 140] Generated Node #0,0,0: 45:[56, 140] Operation: 45+95=140 Exploring Operation: 56-45=11, Resulting Numbers: [95, 11] Generated Node #0,0,1: 45:[95, 11] Operation: 56-45=11 Exploring Operation: 95-45=50, Resulting Numbers: [56, 50] Generated Node #0,0,2: 45:[56, 50] Operation: 95-45=50 Exploring Operation: 45+56=101, Resulting Numbers: [95, 101] Generated Node #0,0,3: 45:[95, 101] Operation: 45+56=101 Exploring Operation: 95-56=39, Resulting Numbers: [45, 39] Generated Node #0,0,4: 45:[45, 39] Operation: 95-56=39 Moving to Node #0,3 Current State: 45:[75, 45, 76], Operations: ['95-19=76'] Exploring Operation: 76-45=31, Resulting Numbers: [75, 31] Generated Node #0,3,0: 45:[75, 31] Operation: 76-45=31 Exploring Operation: 75+76=151, Resulting Numbers: [45, 151] Generated Node #0,3,1: 45:[45, 151] Operation: 75+76=151 Exploring Operation: 75+45=120, Resulting Numbers: [76, 120] Generated Node #0,3,2: 45:[76, 120] Operation: 75+45=120 Exploring Operation: 75-45=30, Resulting Numbers: [76, 30] Generated Node #0,3,3: 45:[76, 30] Operation: 75-45=30 Exploring Operation: 76-75=1, Resulting Numbers: [45, 1] Generated Node #0,3,4: 45:[45, 1] Operation: 76-75=1 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 45:[45, 1], Operations: ['95-19=76', '76-75=1'] Exploring Operation: 45+1=46, Resulting Numbers: [46] 46,45 unequal: No Solution Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,45 unequal: No Solution Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[75, 45, 95, 19], Operations: [] Exploring Operation: 95-19=76, Resulting Numbers: [75, 45, 76] Generated Node #0,3: 45:[75, 45, 76] Operation: 95-19=76 Moving to Node #0,3 Current State: 45:[75, 45, 76], Operations: ['95-19=76'] Exploring Operation: 76-75=1, Resulting Numbers: [45, 1] Generated Node #0,3,4: 45:[45, 1] Operation: 76-75=1 Moving to Node #0,3,4 Current State: 45:[45, 1], Operations: ['95-19=76', '76-75=1'] Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.953125
hs_5
sum_heuristic
[ 32, 21, 37, 95 ]
12
[ "32-21=11", "37+95=132", "132/11=12" ]
Current State: 12:[32, 21, 37, 95], Operations: [] Exploring Operation: 32-21=11, Resulting Numbers: [37, 95, 11] Generated Node #2: [37, 95, 11] from Operation: 32-21=11 Current State: 12:[37, 95, 11], Operations: ['32-21=11'] Exploring Operation: 37+95=132, Resulting Numbers: [11, 132] Generated Node #3: [11, 132] from Operation: 37+95=132 Current State: 12:[11, 132], Operations: ['32-21=11', '37+95=132'] Exploring Operation: 132/11=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[32, 21, 37, 95], Operations: [] Exploring Operation: 95-37=58, Resulting Numbers: [32, 21, 58] Generated Node #0,0: 12:[32, 21, 58] Operation: 95-37=58 Exploring Operation: 37-32=5, Resulting Numbers: [21, 95, 5] Generated Node #0,1: 12:[21, 95, 5] Operation: 37-32=5 Exploring Operation: 95-32=63, Resulting Numbers: [21, 37, 63] Generated Node #0,2: 12:[21, 37, 63] Operation: 95-32=63 Moving to Node #0,0 Current State: 12:[32, 21, 58], Operations: ['95-37=58'] Exploring Operation: 58-21=37, Resulting Numbers: [32, 37] Generated Node #0,0,0: 12:[32, 37] Operation: 58-21=37 Exploring Operation: 32-21=11, Resulting Numbers: [58, 11] Generated Node #0,0,1: 12:[58, 11] Operation: 32-21=11 Exploring Operation: 58-32=26, Resulting Numbers: [21, 26] Generated Node #0,0,2: 12:[21, 26] Operation: 58-32=26 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 12:[21, 26], Operations: ['95-37=58', '58-32=26'] Exploring Operation: 26-21=5, Resulting Numbers: [5] 5,12 unequal: No Solution Exploring Operation: 21*26=546, Resulting Numbers: [546] 546,12 unequal: No Solution Exploring Operation: 21+26=47, Resulting Numbers: [47] 47,12 unequal: No Solution No 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: 12:[32, 37], Operations: ['95-37=58', '58-21=37'] Exploring Operation: 37-32=5, Resulting Numbers: [5] 5,12 unequal: No Solution Exploring Operation: 32+37=69, Resulting Numbers: [69] 69,12 unequal: No Solution Exploring Operation: 32*37=1184, Resulting Numbers: [1184] 1184,12 unequal: No Solution No 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: 12:[58, 11], Operations: ['95-37=58', '32-21=11'] Exploring Operation: 58+11=69, Resulting Numbers: [69] 69,12 unequal: No Solution Exploring Operation: 58*11=638, Resulting Numbers: [638] 638,12 unequal: No Solution Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,12 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: 12:[21, 37, 63], Operations: ['95-32=63'] Exploring Operation: 63/21=3, Resulting Numbers: [37, 3] Generated Node #0,2,0: 12:[37, 3] Operation: 63/21=3 Exploring Operation: 37-21=16, Resulting Numbers: [63, 16] Generated Node #0,2,1: 12:[63, 16] Operation: 37-21=16 Exploring Operation: 63-37=26, Resulting Numbers: [21, 26] Generated Node #0,2,2: 12:[21, 26] Operation: 63-37=26 Moving to Node #0,1 Current State: 12:[21, 95, 5], Operations: ['37-32=5'] Exploring Operation: 21-5=16, Resulting Numbers: [95, 16] Generated Node #0,1,0: 12:[95, 16] Operation: 21-5=16 Exploring Operation: 95-21=74, Resulting Numbers: [5, 74] Generated Node #0,1,1: 12:[5, 74] Operation: 95-21=74 Exploring Operation: 95/5=19, Resulting Numbers: [21, 19] Generated Node #0,1,2: 12:[21, 19] Operation: 95/5=19 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 12:[21, 19], Operations: ['37-32=5', '95/5=19'] Exploring Operation: 21+19=40, Resulting Numbers: [40] 40,12 unequal: No Solution Exploring Operation: 21*19=399, Resulting Numbers: [399] 399,12 unequal: No Solution Exploring Operation: 21-19=2, Resulting Numbers: [2] 2,12 unequal: No Solution No 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: 12:[5, 74], Operations: ['37-32=5', '95-21=74'] Exploring Operation: 5+74=79, Resulting Numbers: [79] 79,12 unequal: No Solution Exploring Operation: 5*74=370, Resulting Numbers: [370] 370,12 unequal: No Solution Exploring Operation: 74-5=69, Resulting Numbers: [69] 69,12 unequal: No Solution No 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: 12:[95, 16], Operations: ['37-32=5', '21-5=16'] Exploring Operation: 95+16=111, Resulting Numbers: [111] 111,12 unequal: No Solution Exploring Operation: 95-16=79, Resulting Numbers: [79] 79,12 unequal: No Solution Exploring Operation: 95*16=1520, Resulting Numbers: [1520] 1520,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 12:[21, 26], Operations: ['95-32=63', '63-37=26'] Exploring Operation: 21*26=546, Resulting Numbers: [546] 546,12 unequal: No Solution Exploring Operation: 26-21=5, Resulting Numbers: [5] 5,12 unequal: No Solution Exploring Operation: 21+26=47, Resulting Numbers: [47] 47,12 unequal: No Solution Moving to Node #0,2,0 Current State: 12:[37, 3], Operations: ['95-32=63', '63/21=3'] Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,12 unequal: No Solution Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,12 unequal: No Solution Exploring Operation: 37*3=111, Resulting Numbers: [111] 111,12 unequal: No Solution Moving to Node #0,2,1 Current State: 12:[63, 16], Operations: ['95-32=63', '37-21=16'] Exploring Operation: 63-16=47, Resulting Numbers: [47] 47,12 unequal: No Solution Exploring Operation: 63+16=79, Resulting Numbers: [79] 79,12 unequal: No Solution Exploring Operation: 63*16=1008, Resulting Numbers: [1008] 1008,12 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 85, 7, 51, 3 ]
30
[ "85-7=78", "51-3=48", "78-48=30" ]
Current State: 30:[85, 7, 51, 3], Operations: [] Exploring Operation: 85-7=78, Resulting Numbers: [51, 3, 78] Generated Node #2: [51, 3, 78] from Operation: 85-7=78 Current State: 30:[51, 3, 78], Operations: ['85-7=78'] Exploring Operation: 51-3=48, Resulting Numbers: [78, 48] Generated Node #3: [78, 48] from Operation: 51-3=48 Current State: 30:[78, 48], Operations: ['85-7=78', '51-3=48'] Exploring Operation: 78-48=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[85, 7, 51, 3], Operations: [] Exploring Operation: 51/3=17, Resulting Numbers: [85, 7, 17] Generated Node #0,0: 30:[85, 7, 17] Operation: 51/3=17 Exploring Operation: 51-7=44, Resulting Numbers: [85, 3, 44] Generated Node #0,1: 30:[85, 3, 44] Operation: 51-7=44 Exploring Operation: 85-51=34, Resulting Numbers: [7, 3, 34] Generated Node #0,2: 30:[7, 3, 34] Operation: 85-51=34 Exploring Operation: 85-3=82, Resulting Numbers: [7, 51, 82] Generated Node #0,3: 30:[7, 51, 82] Operation: 85-3=82 Exploring Operation: 85-7=78, Resulting Numbers: [51, 3, 78] Generated Node #0,4: 30:[51, 3, 78] Operation: 85-7=78 Start Sub Search at level 1: Moving to Node #0,2 Current State: 30:[7, 3, 34], Operations: ['85-51=34'] Exploring Operation: 3+34=37, Resulting Numbers: [7, 37] Generated Node #0,2,0: 30:[7, 37] Operation: 3+34=37 Exploring Operation: 7+3=10, Resulting Numbers: [34, 10] Generated Node #0,2,1: 30:[34, 10] Operation: 7+3=10 Exploring Operation: 34-7=27, Resulting Numbers: [3, 27] Generated Node #0,2,2: 30:[3, 27] Operation: 34-7=27 Exploring Operation: 34-3=31, Resulting Numbers: [7, 31] Generated Node #0,2,3: 30:[7, 31] Operation: 34-3=31 Exploring Operation: 7-3=4, Resulting Numbers: [34, 4] Generated Node #0,2,4: 30:[34, 4] Operation: 7-3=4 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 30:[7, 31], Operations: ['85-51=34', '34-3=31'] Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,30 unequal: No Solution Exploring Operation: 7*31=217, Resulting Numbers: [217] 217,30 unequal: No Solution Exploring Operation: 7+31=38, Resulting Numbers: [38] 38,30 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: 30:[3, 27], Operations: ['85-51=34', '34-7=27'] Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,30 unequal: No Solution Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[85, 7, 51, 3], Operations: [] Exploring Operation: 85-51=34, Resulting Numbers: [7, 3, 34] Generated Node #0,2: 30:[7, 3, 34] Operation: 85-51=34 Moving to Node #0,2 Current State: 30:[7, 3, 34], Operations: ['85-51=34'] Exploring Operation: 34-7=27, Resulting Numbers: [3, 27] Generated Node #0,2,2: 30:[3, 27] Operation: 34-7=27 Moving to Node #0,2,2 Current State: 30:[3, 27], Operations: ['85-51=34', '34-7=27'] Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 54, 14, 8, 99 ]
90
[ "14-8=6", "54/6=9", "99-9=90" ]
Current State: 90:[54, 14, 8, 99], Operations: [] Exploring Operation: 14-8=6, Resulting Numbers: [54, 99, 6] Generated Node #2: [54, 99, 6] from Operation: 14-8=6 Current State: 90:[54, 99, 6], Operations: ['14-8=6'] Exploring Operation: 54/6=9, Resulting Numbers: [99, 9] Generated Node #3: [99, 9] from Operation: 54/6=9 Current State: 90:[99, 9], Operations: ['14-8=6', '54/6=9'] Exploring Operation: 99-9=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[54, 14, 8, 99], Operations: [] Exploring Operation: 54-8=46, Resulting Numbers: [14, 99, 46] Generated Node #0,0: 90:[14, 99, 46] Operation: 54-8=46 Exploring Operation: 99-8=91, Resulting Numbers: [54, 14, 91] Generated Node #0,1: 90:[54, 14, 91] Operation: 99-8=91 Exploring Operation: 99-14=85, Resulting Numbers: [54, 8, 85] Generated Node #0,2: 90:[54, 8, 85] Operation: 99-14=85 Exploring Operation: 54-14=40, Resulting Numbers: [8, 99, 40] Generated Node #0,3: 90:[8, 99, 40] Operation: 54-14=40 Exploring Operation: 99-54=45, Resulting Numbers: [14, 8, 45] Generated Node #0,4: 90:[14, 8, 45] Operation: 99-54=45 Start Sub Search at level 1: Moving to Node #0,4 Current State: 90:[14, 8, 45], Operations: ['99-54=45'] Exploring Operation: 45-14=31, Resulting Numbers: [8, 31] Generated Node #0,4,0: 90:[8, 31] Operation: 45-14=31 Exploring Operation: 14+8=22, Resulting Numbers: [45, 22] Generated Node #0,4,1: 90:[45, 22] Operation: 14+8=22 Exploring Operation: 14-8=6, Resulting Numbers: [45, 6] Generated Node #0,4,2: 90:[45, 6] Operation: 14-8=6 Exploring Operation: 8+45=53, Resulting Numbers: [14, 53] Generated Node #0,4,3: 90:[14, 53] Operation: 8+45=53 Exploring Operation: 45-8=37, Resulting Numbers: [14, 37] Generated Node #0,4,4: 90:[14, 37] Operation: 45-8=37 Moving to Node #0,4,2 Current State: 90:[45, 6], Operations: ['99-54=45', '14-8=6'] Exploring Operation: 45*6=270, Resulting Numbers: [270] 270,90 unequal: No Solution Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,90 unequal: No Solution Exploring Operation: 45+6=51, Resulting Numbers: [51] 51,90 unequal: No Solution Moving to Node #0,4,0 Current State: 90:[8, 31], Operations: ['99-54=45', '45-14=31'] Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 8*31=248, Resulting Numbers: [248] 248,90 unequal: No Solution Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,90 unequal: No Solution Moving to Node #0,4,1 Current State: 90:[45, 22], Operations: ['99-54=45', '14+8=22'] Exploring Operation: 45+22=67, Resulting Numbers: [67] 67,90 unequal: No Solution Exploring Operation: 45*22=990, Resulting Numbers: [990] 990,90 unequal: No Solution Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,90 unequal: No Solution Moving to Node #0,4,4 Current State: 90:[14, 37], Operations: ['99-54=45', '45-8=37'] Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 14*37=518, Resulting Numbers: [518] 518,90 unequal: No Solution Exploring Operation: 14+37=51, Resulting Numbers: [51] 51,90 unequal: No Solution Moving to Node #0,4,3 Current State: 90:[14, 53], Operations: ['99-54=45', '8+45=53'] Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,90 unequal: No Solution Exploring Operation: 14*53=742, Resulting Numbers: [742] 742,90 unequal: No Solution Exploring Operation: 14+53=67, Resulting Numbers: [67] 67,90 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 #0,0 Current State: 90:[14, 99, 46], Operations: ['54-8=46'] Exploring Operation: 99-46=53, Resulting Numbers: [14, 53] Generated Node #0,0,0: 90:[14, 53] Operation: 99-46=53 Exploring Operation: 14+46=60, Resulting Numbers: [99, 60] Generated Node #0,0,1: 90:[99, 60] Operation: 14+46=60 Exploring Operation: 46-14=32, Resulting Numbers: [99, 32] Generated Node #0,0,2: 90:[99, 32] Operation: 46-14=32 Exploring Operation: 14+99=113, Resulting Numbers: [46, 113] Generated Node #0,0,3: 90:[46, 113] Operation: 14+99=113 Exploring Operation: 99-14=85, Resulting Numbers: [46, 85] Generated Node #0,0,4: 90:[46, 85] Operation: 99-14=85 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 90:[46, 85], Operations: ['54-8=46', '99-14=85'] Exploring Operation: 46+85=131, Resulting Numbers: [131] 131,90 unequal: No Solution Exploring Operation: 46*85=3910, Resulting Numbers: [3910] 3910,90 unequal: No Solution Exploring Operation: 85-46=39, Resulting Numbers: [39] 39,90 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 #0,0,0 Current State: 90:[14, 53], Operations: ['54-8=46', '99-46=53'] Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,90 unequal: No Solution Exploring Operation: 14+53=67, Resulting Numbers: [67] 67,90 unequal: No Solution Exploring Operation: 14*53=742, Resulting Numbers: [742] 742,90 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 #0,0,2 Current State: 90:[99, 32], Operations: ['54-8=46', '46-14=32'] Exploring Operation: 99*32=3168, Resulting Numbers: [3168] 3168,90 unequal: No Solution Exploring Operation: 99+32=131, Resulting Numbers: [131] 131,90 unequal: No Solution Exploring Operation: 99-32=67, Resulting Numbers: [67] 67,90 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 #0,0,1 Current State: 90:[99, 60], Operations: ['54-8=46', '14+46=60'] Exploring Operation: 99*60=5940, Resulting Numbers: [5940] 5940,90 unequal: No Solution Exploring Operation: 99+60=159, Resulting Numbers: [159] 159,90 unequal: No Solution Exploring Operation: 99-60=39, Resulting Numbers: [39] 39,90 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 #0,0,3 Current State: 90:[46, 113], Operations: ['54-8=46', '14+99=113'] Exploring Operation: 46*113=5198, Resulting Numbers: [5198] 5198,90 unequal: No Solution Exploring Operation: 113-46=67, Resulting Numbers: [67] 67,90 unequal: No Solution Exploring Operation: 46+113=159, Resulting Numbers: [159] 159,90 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 #0,1 Current State: 90:[54, 14, 91], Operations: ['99-8=91'] Exploring Operation: 54-14=40, Resulting Numbers: [91, 40] Generated Node #0,1,0: 90:[91, 40] Operation: 54-14=40 Exploring Operation: 91-54=37, Resulting Numbers: [14, 37] Generated Node #0,1,1: 90:[14, 37] Operation: 91-54=37 Exploring Operation: 91-14=77, Resulting Numbers: [54, 77] Generated Node #0,1,2: 90:[54, 77] Operation: 91-14=77 Exploring Operation: 54+14=68, Resulting Numbers: [91, 68] Generated Node #0,1,3: 90:[91, 68] Operation: 54+14=68 Exploring Operation: 14+91=105, Resulting Numbers: [54, 105] Generated Node #0,1,4: 90:[54, 105] Operation: 14+91=105 Moving to Node #0,1,0 Current State: 90:[91, 40], Operations: ['99-8=91', '54-14=40'] Exploring Operation: 91-40=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 91+40=131, Resulting Numbers: [131] 131,90 unequal: No Solution Exploring Operation: 91*40=3640, Resulting Numbers: [3640] 3640,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[14, 37], Operations: ['99-8=91', '91-54=37'] Exploring Operation: 14*37=518, Resulting Numbers: [518] 518,90 unequal: No Solution Exploring Operation: 14+37=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,90 unequal: No Solution Moving to Node #0,1,2 Current State: 90:[54, 77], Operations: ['99-8=91', '91-14=77'] Exploring Operation: 77-54=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 54*77=4158, Resulting Numbers: [4158] 4158,90 unequal: No Solution Exploring Operation: 54+77=131, Resulting Numbers: [131] 131,90 unequal: No Solution Moving to Node #0,1,3 Current State: 90:[91, 68], Operations: ['99-8=91', '54+14=68'] Exploring Operation: 91*68=6188, Resulting Numbers: [6188] 6188,90 unequal: No Solution Exploring Operation: 91+68=159, Resulting Numbers: [159] 159,90 unequal: No Solution Exploring Operation: 91-68=23, Resulting Numbers: [23] 23,90 unequal: No Solution Moving to Node #0,1,4 Current State: 90:[54, 105], Operations: ['99-8=91', '14+91=105'] Exploring Operation: 54+105=159, Resulting Numbers: [159] 159,90 unequal: No Solution Exploring Operation: 105-54=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 54*105=5670, Resulting Numbers: [5670] 5670,90 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 #0,2 Current State: 90:[54, 8, 85], Operations: ['99-14=85'] Exploring Operation: 85-8=77, Resulting Numbers: [54, 77] Generated Node #0,2,0: 90:[54, 77] Operation: 85-8=77 Exploring Operation: 85-54=31, Resulting Numbers: [8, 31] Generated Node #0,2,1: 90:[8, 31] Operation: 85-54=31 Exploring Operation: 8+85=93, Resulting Numbers: [54, 93] Generated Node #0,2,2: 90:[54, 93] Operation: 8+85=93 Exploring Operation: 54+8=62, Resulting Numbers: [85, 62] Generated Node #0,2,3: 90:[85, 62] Operation: 54+8=62 Exploring Operation: 54-8=46, Resulting Numbers: [85, 46] Generated Node #0,2,4: 90:[85, 46] Operation: 54-8=46 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 90:[8, 31], Operations: ['99-14=85', '85-54=31'] Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,90 unequal: No Solution Exploring Operation: 8*31=248, Resulting Numbers: [248] 248,90 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,90 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 #0,2,4 Current State: 90:[85, 46], Operations: ['99-14=85', '54-8=46'] Exploring Operation: 85-46=39, Resulting Numbers: [39] 39,90 unequal: No Solution Exploring Operation: 85*46=3910, Resulting Numbers: [3910] 3910,90 unequal: No Solution Exploring Operation: 85+46=131, Resulting Numbers: [131] 131,90 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:[54, 93], Operations: ['99-14=85', '8+85=93'] Exploring Operation: 93-54=39, Resulting Numbers: [39] 39,90 unequal: No Solution Exploring Operation: 54+93=147, Resulting Numbers: [147] 147,90 unequal: No Solution Exploring Operation: 54*93=5022, Resulting Numbers: [5022] 5022,90 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:[54, 77], Operations: ['99-14=85', '85-8=77'] Exploring Operation: 77-54=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 54+77=131, Resulting Numbers: [131] 131,90 unequal: No Solution Exploring Operation: 54*77=4158, Resulting Numbers: [4158] 4158,90 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 #0,2,3 Current State: 90:[85, 62], Operations: ['99-14=85', '54+8=62'] Exploring Operation: 85-62=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 85+62=147, Resulting Numbers: [147] 147,90 unequal: No Solution Exploring Operation: 85*62=5270, Resulting Numbers: [5270] 5270,90 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 #0,3 Current State: 90:[8, 99, 40], Operations: ['54-14=40'] Exploring Operation: 40/8=5, Resulting Numbers: [99, 5] Generated Node #0,3,0: 90:[99, 5] Operation: 40/8=5 Exploring Operation: 40-8=32, Resulting Numbers: [99, 32] Generated Node #0,3,1: 90:[99, 32] Operation: 40-8=32 Exploring Operation: 8+40=48, Resulting Numbers: [99, 48] Generated Node #0,3,2: 90:[99, 48] Operation: 8+40=48 Exploring Operation: 99-8=91, Resulting Numbers: [40, 91] Generated Node #0,3,3: 90:[40, 91] Operation: 99-8=91 Exploring Operation: 99-40=59, Resulting Numbers: [8, 59] Generated Node #0,3,4: 90:[8, 59] Operation: 99-40=59 Moving to Node #0,3,3 Current State: 90:[40, 91], Operations: ['54-14=40', '99-8=91'] Exploring Operation: 40+91=131, Resulting Numbers: [131] 131,90 unequal: No Solution Exploring Operation: 40*91=3640, Resulting Numbers: [3640] 3640,90 unequal: No Solution Exploring Operation: 91-40=51, Resulting Numbers: [51] 51,90 unequal: No Solution Moving to Node #0,3,0 Current State: 90:[99, 5], Operations: ['54-14=40', '40/8=5'] Exploring Operation: 99*5=495, Resulting Numbers: [495] 495,90 unequal: No Solution Exploring Operation: 99-5=94, Resulting Numbers: [94] 94,90 unequal: No Solution Exploring Operation: 99+5=104, Resulting Numbers: [104] 104,90 unequal: No Solution Moving to Node #0,3,1 Current State: 90:[99, 32], Operations: ['54-14=40', '40-8=32'] Exploring Operation: 99+32=131, Resulting Numbers: [131] 131,90 unequal: No Solution Exploring Operation: 99*32=3168, Resulting Numbers: [3168] 3168,90 unequal: No Solution Exploring Operation: 99-32=67, Resulting Numbers: [67] 67,90 unequal: No Solution Moving to Node #0,3,2 Current State: 90:[99, 48], Operations: ['54-14=40', '8+40=48'] Exploring Operation: 99+48=147, Resulting Numbers: [147] 147,90 unequal: No Solution Exploring Operation: 99-48=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 99*48=4752, Resulting Numbers: [4752] 4752,90 unequal: No Solution Moving to Node #0,3,4 Current State: 90:[8, 59], Operations: ['54-14=40', '99-40=59'] Exploring Operation: 8*59=472, Resulting Numbers: [472] 472,90 unequal: No Solution Exploring Operation: 59-8=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 8+59=67, Resulting Numbers: [67] 67,90 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
[ 19, 84, 39, 3 ]
23
[ "84-19=65", "39+3=42", "65-42=23" ]
Current State: 23:[19, 84, 39, 3], Operations: [] Exploring Operation: 84-19=65, Resulting Numbers: [39, 3, 65] Generated Node #2: [39, 3, 65] from Operation: 84-19=65 Current State: 23:[39, 3, 65], Operations: ['84-19=65'] Exploring Operation: 39+3=42, Resulting Numbers: [65, 42] Generated Node #3: [65, 42] from Operation: 39+3=42 Current State: 23:[65, 42], Operations: ['84-19=65', '39+3=42'] Exploring Operation: 65-42=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[19, 84, 39, 3], Operations: [] Exploring Operation: 84-39=45, Resulting Numbers: [19, 3, 45] Generated Node #0,0: 23:[19, 3, 45] Operation: 84-39=45 Exploring Operation: 84-19=65, Resulting Numbers: [39, 3, 65] Generated Node #0,1: 23:[39, 3, 65] Operation: 84-19=65 Exploring Operation: 39/3=13, Resulting Numbers: [19, 84, 13] Generated Node #0,2: 23:[19, 84, 13] Operation: 39/3=13 Exploring Operation: 84/3=28, Resulting Numbers: [19, 39, 28] Generated Node #0,3: 23:[19, 39, 28] Operation: 84/3=28 Start Sub Search at level 1: Moving to Node #0,3 Current State: 23:[19, 39, 28], Operations: ['84/3=28'] Exploring Operation: 28-19=9, Resulting Numbers: [39, 9] Generated Node #0,3,0: 23:[39, 9] Operation: 28-19=9 Exploring Operation: 39-28=11, Resulting Numbers: [19, 11] Generated Node #0,3,1: 23:[19, 11] Operation: 39-28=11 Exploring Operation: 39-19=20, Resulting Numbers: [28, 20] Generated Node #0,3,2: 23:[28, 20] Operation: 39-19=20 Exploring Operation: 19+39=58, Resulting Numbers: [28, 58] Generated Node #0,3,3: 23:[28, 58] Operation: 19+39=58 Moving to Node #0,3,2 Current State: 23:[28, 20], Operations: ['84/3=28', '39-19=20'] Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 28+20=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 28*20=560, Resulting Numbers: [560] 560,23 unequal: No Solution Moving to Node #0,3,1 Current State: 23:[19, 11], Operations: ['84/3=28', '39-28=11'] Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 19+11=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 19*11=209, Resulting Numbers: [209] 209,23 unequal: No Solution Moving to Node #0,3,0 Current State: 23:[39, 9], Operations: ['84/3=28', '28-19=9'] Exploring Operation: 39*9=351, Resulting Numbers: [351] 351,23 unequal: No Solution Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,23 unequal: No Solution Moving to Node #0,3,3 Current State: 23:[28, 58], Operations: ['84/3=28', '19+39=58'] Exploring Operation: 28+58=86, Resulting Numbers: [86] 86,23 unequal: No Solution Exploring Operation: 28*58=1624, Resulting Numbers: [1624] 1624,23 unequal: No Solution Exploring Operation: 58-28=30, Resulting Numbers: [30] 30,23 unequal: No Solution No 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: 23:[19, 3, 45], Operations: ['84-39=45'] Exploring Operation: 45-3=42, Resulting Numbers: [19, 42] Generated Node #0,0,0: 23:[19, 42] Operation: 45-3=42 Exploring Operation: 45/3=15, Resulting Numbers: [19, 15] Generated Node #0,0,1: 23:[19, 15] Operation: 45/3=15 Exploring Operation: 19+3=22, Resulting Numbers: [45, 22] Generated Node #0,0,2: 23:[45, 22] Operation: 19+3=22 Exploring Operation: 45-19=26, Resulting Numbers: [3, 26] Generated Node #0,0,3: 23:[3, 26] Operation: 45-19=26 Moving to Node #0,0,1 Current State: 23:[19, 15], Operations: ['84-39=45', '45/3=15'] Exploring Operation: 19+15=34, Resulting Numbers: [34] 34,23 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 19*15=285, Resulting Numbers: [285] 285,23 unequal: No Solution Moving to Node #0,0,2 Current State: 23:[45, 22], Operations: ['84-39=45', '19+3=22'] Exploring Operation: 45*22=990, Resulting Numbers: [990] 990,23 unequal: No Solution Exploring Operation: 45+22=67, Resulting Numbers: [67] 67,23 unequal: No Solution Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[19, 84, 39, 3], Operations: [] Exploring Operation: 84-39=45, Resulting Numbers: [19, 3, 45] Generated Node #0,0: 23:[19, 3, 45] Operation: 84-39=45 Moving to Node #0,0 Current State: 23:[19, 3, 45], Operations: ['84-39=45'] Exploring Operation: 19+3=22, Resulting Numbers: [45, 22] Generated Node #0,0,2: 23:[45, 22] Operation: 19+3=22 Moving to Node #0,0,2 Current State: 23:[45, 22], Operations: ['84-39=45', '19+3=22'] Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
sum_heuristic
[ 42, 90, 14, 60 ]
19
[ "60-42=18", "90/18=5", "14+5=19" ]
Current State: 19:[42, 90, 14, 60], Operations: [] Exploring Operation: 60-42=18, Resulting Numbers: [90, 14, 18] Generated Node #2: [90, 14, 18] from Operation: 60-42=18 Current State: 19:[90, 14, 18], Operations: ['60-42=18'] Exploring Operation: 90/18=5, Resulting Numbers: [14, 5] Generated Node #3: [14, 5] from Operation: 90/18=5 Current State: 19:[14, 5], Operations: ['60-42=18', '90/18=5'] Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[42, 90, 14, 60], Operations: [] Exploring Operation: 90-60=30, Resulting Numbers: [42, 14, 30] Generated Node #0,0: 19:[42, 14, 30] Operation: 90-60=30 Exploring Operation: 90-42=48, Resulting Numbers: [14, 60, 48] Generated Node #0,1: 19:[14, 60, 48] Operation: 90-42=48 Moving to Node #0,0 Current State: 19:[42, 14, 30], Operations: ['90-60=30'] Exploring Operation: 42-30=12, Resulting Numbers: [14, 12] Generated Node #0,0,0: 19:[14, 12] Operation: 42-30=12 Exploring Operation: 42-14=28, Resulting Numbers: [30, 28] Generated Node #0,0,1: 19:[30, 28] Operation: 42-14=28 Moving to Node #0,1 Current State: 19:[14, 60, 48], Operations: ['90-42=48'] Exploring Operation: 60-14=46, Resulting Numbers: [48, 46] Generated Node #0,1,0: 19:[48, 46] Operation: 60-14=46 Exploring Operation: 60-48=12, Resulting Numbers: [14, 12] Generated Node #0,1,1: 19:[14, 12] Operation: 60-48=12 Moving to Node #0,0,0 Current State: 19:[14, 12], Operations: ['90-60=30', '42-30=12'] Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[14, 12], Operations: ['90-42=48', '60-48=12'] Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,19 unequal: No Solution Moving to Node #0,0,1 Current State: 19:[30, 28], Operations: ['90-60=30', '42-14=28'] Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 30+28=58, Resulting Numbers: [58] 58,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[48, 46], Operations: ['90-42=48', '60-14=46'] Exploring Operation: 48+46=94, Resulting Numbers: [94] 94,19 unequal: No Solution Exploring Operation: 48-46=2, Resulting Numbers: [2] 2,19 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 62, 92, 94, 18 ]
78
[ "62+92=154", "94-18=76", "154-76=78" ]
Current State: 78:[62, 92, 94, 18], Operations: [] Exploring Operation: 62+92=154, Resulting Numbers: [94, 18, 154] Generated Node #2: [94, 18, 154] from Operation: 62+92=154 Current State: 78:[94, 18, 154], Operations: ['62+92=154'] Exploring Operation: 94-18=76, Resulting Numbers: [154, 76] Generated Node #3: [154, 76] from Operation: 94-18=76 Current State: 78:[154, 76], Operations: ['62+92=154', '94-18=76'] Exploring Operation: 154-76=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[62, 92, 94, 18], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [62, 18, 2] Generated Node #0,0: 78:[62, 18, 2] Operation: 94-92=2 Exploring Operation: 92-62=30, Resulting Numbers: [94, 18, 30] Generated Node #0,1: 78:[94, 18, 30] Operation: 92-62=30 Moving to Node #0,0 Current State: 78:[62, 18, 2], Operations: ['94-92=2'] Exploring Operation: 62-18=44, Resulting Numbers: [2, 44] Generated Node #0,0,0: 78:[2, 44] Operation: 62-18=44 Exploring Operation: 62+18=80, Resulting Numbers: [2, 80] Generated Node #0,0,1: 78:[2, 80] Operation: 62+18=80 Moving to Node #0,1 Current State: 78:[94, 18, 30], Operations: ['92-62=30'] Exploring Operation: 94-18=76, Resulting Numbers: [30, 76] Generated Node #0,1,0: 78:[30, 76] Operation: 94-18=76 Exploring Operation: 30-18=12, Resulting Numbers: [94, 12] Generated Node #0,1,1: 78:[94, 12] Operation: 30-18=12 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 78:[30, 76], Operations: ['92-62=30', '94-18=76'] Exploring Operation: 30+76=106, Resulting Numbers: [106] 106,78 unequal: No Solution Exploring Operation: 76-30=46, Resulting Numbers: [46] 46,78 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 #0,1,1 Current State: 78:[94, 12], Operations: ['92-62=30', '30-18=12'] Exploring Operation: 94+12=106, Resulting Numbers: [106] 106,78 unequal: No Solution Exploring Operation: 94-12=82, Resulting Numbers: [82] 82,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 78:[2, 80], Operations: ['94-92=2', '62+18=80'] Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,78 unequal: No Solution Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[62, 92, 94, 18], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [62, 18, 2] Generated Node #0,0: 78:[62, 18, 2] Operation: 94-92=2 Moving to Node #0,0 Current State: 78:[62, 18, 2], Operations: ['94-92=2'] Exploring Operation: 62+18=80, Resulting Numbers: [2, 80] Generated Node #0,0,1: 78:[2, 80] Operation: 62+18=80 Moving to Node #0,0,1 Current State: 78:[2, 80], Operations: ['94-92=2', '62+18=80'] Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 33, 70, 29, 4 ]
54
[ "33-29=4", "4*4=16", "70-16=54" ]
Current State: 54:[33, 70, 29, 4], Operations: [] Exploring Operation: 33-29=4, Resulting Numbers: [70, 4, 4] Generated Node #2: [70, 4, 4] from Operation: 33-29=4 Current State: 54:[70, 4, 4], Operations: ['33-29=4'] Exploring Operation: 4*4=16, Resulting Numbers: [70, 16] Generated Node #3: [70, 16] from Operation: 4*4=16 Current State: 54:[70, 16], Operations: ['33-29=4', '4*4=16'] Exploring Operation: 70-16=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[33, 70, 29, 4], Operations: [] Exploring Operation: 70-29=41, Resulting Numbers: [33, 4, 41] Generated Node #0,0: 54:[33, 4, 41] Operation: 70-29=41 Exploring Operation: 33-4=29, Resulting Numbers: [70, 29, 29] Generated Node #0,1: 54:[70, 29, 29] Operation: 33-4=29 Exploring Operation: 70-33=37, Resulting Numbers: [29, 4, 37] Generated Node #0,2: 54:[29, 4, 37] Operation: 70-33=37 Exploring Operation: 33-29=4, Resulting Numbers: [70, 4, 4] Generated Node #0,3: 54:[70, 4, 4] Operation: 33-29=4 Exploring Operation: 70-4=66, Resulting Numbers: [33, 29, 66] Generated Node #0,4: 54:[33, 29, 66] Operation: 70-4=66 Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[29, 4, 37], Operations: ['70-33=37'] Exploring Operation: 29-4=25, Resulting Numbers: [37, 25] Generated Node #0,2,0: 54:[37, 25] Operation: 29-4=25 Exploring Operation: 29+37=66, Resulting Numbers: [4, 66] Generated Node #0,2,1: 54:[4, 66] Operation: 29+37=66 Exploring Operation: 4+37=41, Resulting Numbers: [29, 41] Generated Node #0,2,2: 54:[29, 41] Operation: 4+37=41 Exploring Operation: 37-4=33, Resulting Numbers: [29, 33] Generated Node #0,2,3: 54:[29, 33] Operation: 37-4=33 Exploring Operation: 37-29=8, Resulting Numbers: [4, 8] Generated Node #0,2,4: 54:[4, 8] Operation: 37-29=8 Moving to Node #0,2,4 Current State: 54:[4, 8], Operations: ['70-33=37', '37-29=8'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,54 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,54 unequal: No Solution Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,54 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,54 unequal: No Solution Moving to Node #0,2,3 Current State: 54:[29, 33], Operations: ['70-33=37', '37-4=33'] Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,54 unequal: No Solution Exploring Operation: 29+33=62, Resulting Numbers: [62] 62,54 unequal: No Solution Exploring Operation: 29*33=957, Resulting Numbers: [957] 957,54 unequal: No Solution Moving to Node #0,2,0 Current State: 54:[37, 25], Operations: ['70-33=37', '29-4=25'] Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 37+25=62, Resulting Numbers: [62] 62,54 unequal: No Solution Exploring Operation: 37*25=925, Resulting Numbers: [925] 925,54 unequal: No Solution Moving to Node #0,2,1 Current State: 54:[4, 66], Operations: ['70-33=37', '29+37=66'] Exploring Operation: 4*66=264, Resulting Numbers: [264] 264,54 unequal: No Solution Exploring Operation: 4+66=70, Resulting Numbers: [70] 70,54 unequal: No Solution Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,54 unequal: No Solution Moving to Node #0,2,2 Current State: 54:[29, 41], Operations: ['70-33=37', '4+37=41'] Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 29+41=70, Resulting Numbers: [70] 70,54 unequal: No Solution Exploring Operation: 29*41=1189, Resulting Numbers: [1189] 1189,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 54:[70, 4, 4], Operations: ['33-29=4'] Exploring Operation: 4+4=8, Resulting Numbers: [70, 8] Generated Node #0,3,0: 54:[70, 8] Operation: 4+4=8 Exploring Operation: 70-4=66, Resulting Numbers: [4, 66] Generated Node #0,3,1: 54:[4, 66] Operation: 70-4=66 Exploring Operation: 70-4=66, Resulting Numbers: [4, 66] Generated Node #0,3,2: 54:[4, 66] Operation: 70-4=66 Exploring Operation: 4*4=16, Resulting Numbers: [70, 16] Generated Node #0,3,3: 54:[70, 16] Operation: 4*4=16 Exploring Operation: 4/4=1, Resulting Numbers: [70, 1] Generated Node #0,3,4: 54:[70, 1] Operation: 4/4=1 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 54:[4, 66], Operations: ['33-29=4', '70-4=66'] Exploring Operation: 4+66=70, Resulting Numbers: [70] 70,54 unequal: No Solution Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,54 unequal: No Solution Exploring Operation: 4*66=264, Resulting Numbers: [264] 264,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 54:[4, 66], Operations: ['33-29=4', '70-4=66'] Exploring Operation: 4*66=264, Resulting Numbers: [264] 264,54 unequal: No Solution Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,54 unequal: No Solution Exploring Operation: 4+66=70, Resulting Numbers: [70] 70,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 54:[70, 8], Operations: ['33-29=4', '4+4=8'] Exploring Operation: 70+8=78, Resulting Numbers: [78] 78,54 unequal: No Solution Exploring Operation: 70*8=560, Resulting Numbers: [560] 560,54 unequal: No Solution Exploring Operation: 70-8=62, Resulting Numbers: [62] 62,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 54:[70, 1], Operations: ['33-29=4', '4/4=1'] Exploring Operation: 70/1=70, Resulting Numbers: [70] 70,54 unequal: No Solution Exploring Operation: 70+1=71, Resulting Numbers: [71] 71,54 unequal: No Solution Exploring Operation: 70*1=70, Resulting Numbers: [70] 70,54 unequal: No Solution Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 54:[70, 16], Operations: ['33-29=4', '4*4=16'] Exploring Operation: 70+16=86, Resulting Numbers: [86] 86,54 unequal: No Solution Exploring Operation: 70-16=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[33, 70, 29, 4], Operations: [] Exploring Operation: 33-29=4, Resulting Numbers: [70, 4, 4] Generated Node #0,3: 54:[70, 4, 4] Operation: 33-29=4 Moving to Node #0,3 Current State: 54:[70, 4, 4], Operations: ['33-29=4'] Exploring Operation: 4*4=16, Resulting Numbers: [70, 16] Generated Node #0,3,3: 54:[70, 16] Operation: 4*4=16 Moving to Node #0,3,3 Current State: 54:[70, 16], Operations: ['33-29=4', '4*4=16'] Exploring Operation: 70-16=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.956597
hs_5
mult_heuristic
[ 72, 51, 12, 9 ]
45
[ "72*12=864", "864/9=96", "96-51=45" ]
Current State: 45:[72, 51, 12, 9], Operations: [] Exploring Operation: 72*12=864, Resulting Numbers: [51, 9, 864] Generated Node #2: [51, 9, 864] from Operation: 72*12=864 Current State: 45:[51, 9, 864], Operations: ['72*12=864'] Exploring Operation: 864/9=96, Resulting Numbers: [51, 96] Generated Node #3: [51, 96] from Operation: 864/9=96 Current State: 45:[51, 96], Operations: ['72*12=864', '864/9=96'] Exploring Operation: 96-51=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[72, 51, 12, 9], Operations: [] Exploring Operation: 72/12=6, Resulting Numbers: [51, 9, 6] Generated Node #0,0: 45:[51, 9, 6] Operation: 72/12=6 Exploring Operation: 72-51=21, Resulting Numbers: [12, 9, 21] Generated Node #0,1: 45:[12, 9, 21] Operation: 72-51=21 Moving to Node #0,0 Current State: 45:[51, 9, 6], Operations: ['72/12=6'] Exploring Operation: 51-9=42, Resulting Numbers: [6, 42] Generated Node #0,0,0: 45:[6, 42] Operation: 51-9=42 Exploring Operation: 51-6=45, Resulting Numbers: [9, 45] Generated Node #0,0,1: 45:[9, 45] Operation: 51-6=45 Moving to Node #0,1 Current State: 45:[12, 9, 21], Operations: ['72-51=21'] Exploring Operation: 12-9=3, Resulting Numbers: [21, 3] Generated Node #0,1,0: 45:[21, 3] Operation: 12-9=3 Exploring Operation: 21-12=9, Resulting Numbers: [9, 9] Generated Node #0,1,1: 45:[9, 9] Operation: 21-12=9 Moving to Node #0,0,1 Current State: 45:[9, 45], Operations: ['72/12=6', '51-6=45'] Exploring Operation: 9+45=54, Resulting Numbers: [54] 54,45 unequal: No Solution Exploring Operation: 45/9=5, Resulting Numbers: [5] 5,45 unequal: No Solution Moving to Node #0,1,1 Current State: 45:[9, 9], Operations: ['72-51=21', '21-12=9'] Exploring Operation: 9/9=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 9+9=18, Resulting Numbers: [18] 18,45 unequal: No Solution Moving to Node #0,0,0 Current State: 45:[6, 42], Operations: ['72/12=6', '51-9=42'] Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,45 unequal: No Solution Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,45 unequal: No Solution Moving to Node #0,1,0 Current State: 45:[21, 3], Operations: ['72-51=21', '12-9=3'] Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,45 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,45 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 41, 43, 67, 13 ]
82
[ "43-41=2", "67+13=80", "2+80=82" ]
Current State: 82:[41, 43, 67, 13], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [67, 13, 2] Generated Node #2: [67, 13, 2] from Operation: 43-41=2 Current State: 82:[67, 13, 2], Operations: ['43-41=2'] Exploring Operation: 67+13=80, Resulting Numbers: [2, 80] Generated Node #3: [2, 80] from Operation: 67+13=80 Current State: 82:[2, 80], Operations: ['43-41=2', '67+13=80'] Exploring Operation: 2+80=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[41, 43, 67, 13], Operations: [] Exploring Operation: 67+13=80, Resulting Numbers: [41, 43, 80] Generated Node #0,0: 82:[41, 43, 80] Operation: 67+13=80 Moving to Node #0,0 Current State: 82:[41, 43, 80], Operations: ['67+13=80'] Exploring Operation: 43-41=2, Resulting Numbers: [80, 2] Generated Node #0,0,0: 82:[80, 2] Operation: 43-41=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[80, 2], Operations: ['67+13=80', '43-41=2'] Exploring Operation: 80+2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[41, 43, 67, 13], Operations: [] Exploring Operation: 67+13=80, Resulting Numbers: [41, 43, 80] Generated Node #0,0: 82:[41, 43, 80] Operation: 67+13=80 Moving to Node #0,0 Current State: 82:[41, 43, 80], Operations: ['67+13=80'] Exploring Operation: 43-41=2, Resulting Numbers: [80, 2] Generated Node #0,0,0: 82:[80, 2] Operation: 43-41=2 Moving to Node #0,0,0 Current State: 82:[80, 2], Operations: ['67+13=80', '43-41=2'] Exploring Operation: 80+2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 87, 24, 73, 35 ]
25
[ "87-24=63", "73-35=38", "63-38=25" ]
Current State: 25:[87, 24, 73, 35], Operations: [] Exploring Operation: 87-24=63, Resulting Numbers: [73, 35, 63] Generated Node #2: [73, 35, 63] from Operation: 87-24=63 Current State: 25:[73, 35, 63], Operations: ['87-24=63'] Exploring Operation: 73-35=38, Resulting Numbers: [63, 38] Generated Node #3: [63, 38] from Operation: 73-35=38 Current State: 25:[63, 38], Operations: ['87-24=63', '73-35=38'] Exploring Operation: 63-38=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[87, 24, 73, 35], Operations: [] Exploring Operation: 87-35=52, Resulting Numbers: [24, 73, 52] Generated Node #0,0: 25:[24, 73, 52] Operation: 87-35=52 Exploring Operation: 87-73=14, Resulting Numbers: [24, 35, 14] Generated Node #0,1: 25:[24, 35, 14] Operation: 87-73=14 Exploring Operation: 73-35=38, Resulting Numbers: [87, 24, 38] Generated Node #0,2: 25:[87, 24, 38] Operation: 73-35=38 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[24, 35, 14], Operations: ['87-73=14'] Exploring Operation: 35-24=11, Resulting Numbers: [14, 11] Generated Node #0,1,0: 25:[14, 11] Operation: 35-24=11 Exploring Operation: 24-14=10, Resulting Numbers: [35, 10] Generated Node #0,1,1: 25:[35, 10] Operation: 24-14=10 Exploring Operation: 35-14=21, Resulting Numbers: [24, 21] Generated Node #0,1,2: 25:[24, 21] Operation: 35-14=21 Moving to Node #0,1,2 Current State: 25:[24, 21], Operations: ['87-73=14', '35-14=21'] Exploring Operation: 24*21=504, Resulting Numbers: [504] 504,25 unequal: No Solution Exploring Operation: 24+21=45, Resulting Numbers: [45] 45,25 unequal: No Solution Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[14, 11], Operations: ['87-73=14', '35-24=11'] Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[87, 24, 73, 35], Operations: [] Exploring Operation: 87-73=14, Resulting Numbers: [24, 35, 14] Generated Node #0,1: 25:[24, 35, 14] Operation: 87-73=14 Moving to Node #0,1 Current State: 25:[24, 35, 14], Operations: ['87-73=14'] Exploring Operation: 35-24=11, Resulting Numbers: [14, 11] Generated Node #0,1,0: 25:[14, 11] Operation: 35-24=11 Moving to Node #0,1,0 Current State: 25:[14, 11], Operations: ['87-73=14', '35-24=11'] Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 18, 50, 46, 95 ]
18
[ "50+46=96", "96-95=1", "18*1=18" ]
Current State: 18:[18, 50, 46, 95], Operations: [] Exploring Operation: 50+46=96, Resulting Numbers: [18, 95, 96] Generated Node #2: [18, 95, 96] from Operation: 50+46=96 Current State: 18:[18, 95, 96], Operations: ['50+46=96'] Exploring Operation: 96-95=1, Resulting Numbers: [18, 1] Generated Node #3: [18, 1] from Operation: 96-95=1 Current State: 18:[18, 1], Operations: ['50+46=96', '96-95=1'] Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[18, 50, 46, 95], Operations: [] Exploring Operation: 95-50=45, Resulting Numbers: [18, 46, 45] Generated Node #0,0: 18:[18, 46, 45] Operation: 95-50=45 Exploring Operation: 95-46=49, Resulting Numbers: [18, 50, 49] Generated Node #0,1: 18:[18, 50, 49] Operation: 95-46=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[18, 46, 45], Operations: ['95-50=45'] Exploring Operation: 46-45=1, Resulting Numbers: [18, 1] Generated Node #0,0,0: 18:[18, 1] Operation: 46-45=1 Exploring Operation: 46-18=28, Resulting Numbers: [45, 28] Generated Node #0,0,1: 18:[45, 28] Operation: 46-18=28 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 18:[18, 1], Operations: ['95-50=45', '46-45=1'] Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[18, 50, 46, 95], Operations: [] Exploring Operation: 95-50=45, Resulting Numbers: [18, 46, 45] Generated Node #0,0: 18:[18, 46, 45] Operation: 95-50=45 Moving to Node #0,0 Current State: 18:[18, 46, 45], Operations: ['95-50=45'] Exploring Operation: 46-45=1, Resulting Numbers: [18, 1] Generated Node #0,0,0: 18:[18, 1] Operation: 46-45=1 Moving to Node #0,0,0 Current State: 18:[18, 1], Operations: ['95-50=45', '46-45=1'] Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 50, 45, 78, 17 ]
34
[ "50+45=95", "78-17=61", "95-61=34" ]
Current State: 34:[50, 45, 78, 17], Operations: [] Exploring Operation: 50+45=95, Resulting Numbers: [78, 17, 95] Generated Node #2: [78, 17, 95] from Operation: 50+45=95 Current State: 34:[78, 17, 95], Operations: ['50+45=95'] Exploring Operation: 78-17=61, Resulting Numbers: [95, 61] Generated Node #3: [95, 61] from Operation: 78-17=61 Current State: 34:[95, 61], Operations: ['50+45=95', '78-17=61'] Exploring Operation: 95-61=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[50, 45, 78, 17], Operations: [] Exploring Operation: 78-45=33, Resulting Numbers: [50, 17, 33] Generated Node #0,0: 34:[50, 17, 33] Operation: 78-45=33 Exploring Operation: 78-50=28, Resulting Numbers: [45, 17, 28] Generated Node #0,1: 34:[45, 17, 28] Operation: 78-50=28 Moving to Node #0,0 Current State: 34:[50, 17, 33], Operations: ['78-45=33'] Exploring Operation: 50-33=17, Resulting Numbers: [17, 17] Generated Node #0,0,0: 34:[17, 17] Operation: 50-33=17 Exploring Operation: 50-17=33, Resulting Numbers: [33, 33] Generated Node #0,0,1: 34:[33, 33] Operation: 50-17=33 Moving to Node #0,1 Current State: 34:[45, 17, 28], Operations: ['78-50=28'] Exploring Operation: 45-28=17, Resulting Numbers: [17, 17] Generated Node #0,1,0: 34:[17, 17] Operation: 45-28=17 Exploring Operation: 45-17=28, Resulting Numbers: [28, 28] Generated Node #0,1,1: 34:[28, 28] Operation: 45-17=28 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[17, 17], Operations: ['78-50=28', '45-28=17'] Exploring Operation: 17+17=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[50, 45, 78, 17], Operations: [] Exploring Operation: 78-50=28, Resulting Numbers: [45, 17, 28] Generated Node #0,1: 34:[45, 17, 28] Operation: 78-50=28 Moving to Node #0,1 Current State: 34:[45, 17, 28], Operations: ['78-50=28'] Exploring Operation: 45-28=17, Resulting Numbers: [17, 17] Generated Node #0,1,0: 34:[17, 17] Operation: 45-28=17 Moving to Node #0,1,0 Current State: 34:[17, 17], Operations: ['78-50=28', '45-28=17'] Exploring Operation: 17+17=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 4, 3, 36, 33 ]
11
[ "4*3=12", "36/12=3", "33/3=11" ]
Current State: 11:[4, 3, 36, 33], Operations: [] Exploring Operation: 4*3=12, Resulting Numbers: [36, 33, 12] Generated Node #2: [36, 33, 12] from Operation: 4*3=12 Current State: 11:[36, 33, 12], Operations: ['4*3=12'] Exploring Operation: 36/12=3, Resulting Numbers: [33, 3] Generated Node #3: [33, 3] from Operation: 36/12=3 Current State: 11:[33, 3], Operations: ['4*3=12', '36/12=3'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[4, 3, 36, 33], Operations: [] Exploring Operation: 36-33=3, Resulting Numbers: [4, 3, 3] Generated Node #0,0: 11:[4, 3, 3] Operation: 36-33=3 Exploring Operation: 36/3=12, Resulting Numbers: [4, 33, 12] Generated Node #0,1: 11:[4, 33, 12] Operation: 36/3=12 Exploring Operation: 4*3=12, Resulting Numbers: [36, 33, 12] Generated Node #0,2: 11:[36, 33, 12] Operation: 4*3=12 Exploring Operation: 33/3=11, Resulting Numbers: [4, 36, 11] Generated Node #0,3: 11:[4, 36, 11] Operation: 33/3=11 Exploring Operation: 36/4=9, Resulting Numbers: [3, 33, 9] Generated Node #0,4: 11:[3, 33, 9] Operation: 36/4=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[4, 3, 3], Operations: ['36-33=3'] Exploring Operation: 3*3=9, Resulting Numbers: [4, 9] Generated Node #0,0,0: 11:[4, 9] Operation: 3*3=9 Exploring Operation: 4*3=12, Resulting Numbers: [3, 12] Generated Node #0,0,1: 11:[3, 12] Operation: 4*3=12 Exploring Operation: 4+3=7, Resulting Numbers: [3, 7] Generated Node #0,0,2: 11:[3, 7] Operation: 4+3=7 Exploring Operation: 4+3=7, Resulting Numbers: [3, 7] Generated Node #0,0,3: 11:[3, 7] Operation: 4+3=7 Exploring Operation: 4*3=12, Resulting Numbers: [3, 12] Generated Node #0,0,4: 11:[3, 12] Operation: 4*3=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 11:[4, 9], Operations: ['36-33=3', '3*3=9'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,11 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,11 unequal: No Solution Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,11 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: 11:[3, 12], Operations: ['36-33=3', '4*3=12'] Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,11 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,11 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: 11:[3, 12], Operations: ['36-33=3', '4*3=12'] Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,11 unequal: No Solution Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,11 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: 11:[3, 7], Operations: ['36-33=3', '4+3=7'] Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,11 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,11 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: 11:[3, 7], Operations: ['36-33=3', '4+3=7'] Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,11 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: 11:[4, 33, 12], Operations: ['36/3=12'] Exploring Operation: 4+12=16, Resulting Numbers: [33, 16] Generated Node #0,1,0: 11:[33, 16] Operation: 4+12=16 Exploring Operation: 33-12=21, Resulting Numbers: [4, 21] Generated Node #0,1,1: 11:[4, 21] Operation: 33-12=21 Exploring Operation: 4+33=37, Resulting Numbers: [12, 37] Generated Node #0,1,2: 11:[12, 37] Operation: 4+33=37 Exploring Operation: 33-4=29, Resulting Numbers: [12, 29] Generated Node #0,1,3: 11:[12, 29] Operation: 33-4=29 Exploring Operation: 12-4=8, Resulting Numbers: [33, 8] Generated Node #0,1,4: 11:[33, 8] Operation: 12-4=8 Moving to Node #0,1,1 Current State: 11:[4, 21], Operations: ['36/3=12', '33-12=21'] Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,11 unequal: No Solution Exploring Operation: 4*21=84, Resulting Numbers: [84] 84,11 unequal: No Solution Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,11 unequal: No Solution Moving to Node #0,1,3 Current State: 11:[12, 29], Operations: ['36/3=12', '33-4=29'] Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,11 unequal: No Solution Exploring Operation: 12*29=348, Resulting Numbers: [348] 348,11 unequal: No Solution Exploring Operation: 12+29=41, Resulting Numbers: [41] 41,11 unequal: No Solution Moving to Node #0,1,4 Current State: 11:[33, 8], Operations: ['36/3=12', '12-4=8'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,11 unequal: No Solution Exploring Operation: 33*8=264, Resulting Numbers: [264] 264,11 unequal: No Solution Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,11 unequal: No Solution Moving to Node #0,1,0 Current State: 11:[33, 16], Operations: ['36/3=12', '4+12=16'] Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,11 unequal: No Solution Exploring Operation: 33+16=49, Resulting Numbers: [49] 49,11 unequal: No Solution Exploring Operation: 33*16=528, Resulting Numbers: [528] 528,11 unequal: No Solution Moving to Node #0,1,2 Current State: 11:[12, 37], Operations: ['36/3=12', '4+33=37'] Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,11 unequal: No Solution Exploring Operation: 12+37=49, Resulting Numbers: [49] 49,11 unequal: No Solution Exploring Operation: 12*37=444, Resulting Numbers: [444] 444,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 11:[4, 36, 11], Operations: ['33/3=11'] Exploring Operation: 36/4=9, Resulting Numbers: [11, 9] Generated Node #0,3,0: 11:[11, 9] Operation: 36/4=9 Exploring Operation: 4+36=40, Resulting Numbers: [11, 40] Generated Node #0,3,1: 11:[11, 40] Operation: 4+36=40 Exploring Operation: 4+11=15, Resulting Numbers: [36, 15] Generated Node #0,3,2: 11:[36, 15] Operation: 4+11=15 Exploring Operation: 36-4=32, Resulting Numbers: [11, 32] Generated Node #0,3,3: 11:[11, 32] Operation: 36-4=32 Exploring Operation: 36-11=25, Resulting Numbers: [4, 25] Generated Node #0,3,4: 11:[4, 25] Operation: 36-11=25 Moving to Node #0,3,0 Current State: 11:[11, 9], Operations: ['33/3=11', '36/4=9'] Exploring Operation: 11*9=99, Resulting Numbers: [99] 99,11 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,11 unequal: No Solution Moving to Node #0,3,4 Current State: 11:[4, 25], Operations: ['33/3=11', '36-11=25'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,11 unequal: No Solution Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,11 unequal: No Solution Moving to Node #0,3,3 Current State: 11:[11, 32], Operations: ['33/3=11', '36-4=32'] Exploring Operation: 11*32=352, Resulting Numbers: [352] 352,11 unequal: No Solution Exploring Operation: 11+32=43, Resulting Numbers: [43] 43,11 unequal: No Solution Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,11 unequal: No Solution Moving to Node #0,3,1 Current State: 11:[11, 40], Operations: ['33/3=11', '4+36=40'] Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,11 unequal: No Solution Exploring Operation: 11*40=440, Resulting Numbers: [440] 440,11 unequal: No Solution Exploring Operation: 11+40=51, Resulting Numbers: [51] 51,11 unequal: No Solution Moving to Node #0,3,2 Current State: 11:[36, 15], Operations: ['33/3=11', '4+11=15'] Exploring Operation: 36*15=540, Resulting Numbers: [540] 540,11 unequal: No Solution Exploring Operation: 36+15=51, Resulting Numbers: [51] 51,11 unequal: No Solution Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 11:[3, 33, 9], Operations: ['36/4=9'] Exploring Operation: 3+9=12, Resulting Numbers: [33, 12] Generated Node #0,4,0: 11:[33, 12] Operation: 3+9=12 Exploring Operation: 33-3=30, Resulting Numbers: [9, 30] Generated Node #0,4,1: 11:[9, 30] Operation: 33-3=30 Exploring Operation: 33/3=11, Resulting Numbers: [9, 11] Generated Node #0,4,2: 11:[9, 11] Operation: 33/3=11 Exploring Operation: 33-9=24, Resulting Numbers: [3, 24] Generated Node #0,4,3: 11:[3, 24] Operation: 33-9=24 Exploring Operation: 3+33=36, Resulting Numbers: [9, 36] Generated Node #0,4,4: 11:[9, 36] Operation: 3+33=36 Moving to Node #0,4,2 Current State: 11:[9, 11], Operations: ['36/4=9', '33/3=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,11 unequal: No Solution Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,11 unequal: No Solution Moving to Node #0,4,3 Current State: 11:[3, 24], Operations: ['36/4=9', '33-9=24'] Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,11 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,11 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,11 unequal: No Solution Moving to Node #0,4,1 Current State: 11:[9, 30], Operations: ['36/4=9', '33-3=30'] Exploring Operation: 9*30=270, Resulting Numbers: [270] 270,11 unequal: No Solution Exploring Operation: 9+30=39, Resulting Numbers: [39] 39,11 unequal: No Solution Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,11 unequal: No Solution Moving to Node #0,4,0 Current State: 11:[33, 12], Operations: ['36/4=9', '3+9=12'] Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 33+12=45, Resulting Numbers: [45] 45,11 unequal: No Solution Exploring Operation: 33*12=396, Resulting Numbers: [396] 396,11 unequal: No Solution Moving to Node #0,4,4 Current State: 11:[9, 36], Operations: ['36/4=9', '3+33=36'] Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,11 unequal: No Solution Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 9*36=324, Resulting Numbers: [324] 324,11 unequal: No Solution Exploring Operation: 9+36=45, Resulting Numbers: [45] 45,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[36, 33, 12], Operations: ['4*3=12'] Exploring Operation: 33-12=21, Resulting Numbers: [36, 21] Generated Node #0,2,0: 11:[36, 21] Operation: 33-12=21 Exploring Operation: 36-33=3, Resulting Numbers: [12, 3] Generated Node #0,2,1: 11:[12, 3] Operation: 36-33=3 Exploring Operation: 36+33=69, Resulting Numbers: [12, 69] Generated Node #0,2,2: 11:[12, 69] Operation: 36+33=69 Exploring Operation: 36-12=24, Resulting Numbers: [33, 24] Generated Node #0,2,3: 11:[33, 24] Operation: 36-12=24 Exploring Operation: 36/12=3, Resulting Numbers: [33, 3] Generated Node #0,2,4: 11:[33, 3] Operation: 36/12=3 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 11:[12, 3], Operations: ['4*3=12', '36-33=3'] Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,11 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,11 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: 11:[33, 3], Operations: ['4*3=12', '36/12=3'] Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,11 unequal: No Solution Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,11 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[4, 3, 36, 33], Operations: [] Exploring Operation: 4*3=12, Resulting Numbers: [36, 33, 12] Generated Node #0,2: 11:[36, 33, 12] Operation: 4*3=12 Moving to Node #0,2 Current State: 11:[36, 33, 12], Operations: ['4*3=12'] Exploring Operation: 36/12=3, Resulting Numbers: [33, 3] Generated Node #0,2,4: 11:[33, 3] Operation: 36/12=3 Moving to Node #0,2,4 Current State: 11:[33, 3], Operations: ['4*3=12', '36/12=3'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.907986
hs_5
mult_heuristic
[ 14, 14, 55, 11 ]
55
[ "14-14=0", "11*0=0", "55+0=55" ]
Current State: 55:[14, 14, 55, 11], Operations: [] Exploring Operation: 14-14=0, Resulting Numbers: [55, 11, 0] Generated Node #2: [55, 11, 0] from Operation: 14-14=0 Current State: 55:[55, 11, 0], Operations: ['14-14=0'] Exploring Operation: 11*0=0, Resulting Numbers: [55, 0] Generated Node #3: [55, 0] from Operation: 11*0=0 Current State: 55:[55, 0], Operations: ['14-14=0', '11*0=0'] Exploring Operation: 55+0=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[14, 14, 55, 11], Operations: [] Exploring Operation: 14/14=1, Resulting Numbers: [55, 11, 1] Generated Node #0,0: 55:[55, 11, 1] Operation: 14/14=1 Exploring Operation: 14-11=3, Resulting Numbers: [14, 55, 3] Generated Node #0,1: 55:[14, 55, 3] Operation: 14-11=3 Exploring Operation: 14-14=0, Resulting Numbers: [55, 11, 0] Generated Node #0,2: 55:[55, 11, 0] Operation: 14-14=0 Exploring Operation: 14-11=3, Resulting Numbers: [14, 55, 3] Generated Node #0,3: 55:[14, 55, 3] Operation: 14-11=3 Exploring Operation: 55/11=5, Resulting Numbers: [14, 14, 5] Generated Node #0,4: 55:[14, 14, 5] Operation: 55/11=5 Moving to Node #0,0 Current State: 55:[55, 11, 1], Operations: ['14/14=1'] Exploring Operation: 55+1=56, Resulting Numbers: [11, 56] Generated Node #0,0,0: 55:[11, 56] Operation: 55+1=56 Exploring Operation: 55*1=55, Resulting Numbers: [11, 55] Generated Node #0,0,1: 55:[11, 55] Operation: 55*1=55 Exploring Operation: 55/1=55, Resulting Numbers: [11, 55] Generated Node #0,0,2: 55:[11, 55] Operation: 55/1=55 Exploring Operation: 11*1=11, Resulting Numbers: [55, 11] Generated Node #0,0,3: 55:[55, 11] Operation: 11*1=11 Exploring Operation: 11/1=11, Resulting Numbers: [55, 11] Generated Node #0,0,4: 55:[55, 11] Operation: 11/1=11 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 55:[11, 55], Operations: ['14/14=1', '55*1=55'] Exploring Operation: 11+55=66, Resulting Numbers: [66] 66,55 unequal: No Solution Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 11*55=605, Resulting Numbers: [605] 605,55 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 #0,0,2 Current State: 55:[11, 55], Operations: ['14/14=1', '55/1=55'] Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 11*55=605, Resulting Numbers: [605] 605,55 unequal: No Solution Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 11+55=66, Resulting Numbers: [66] 66,55 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:[55, 11], Operations: ['14/14=1', '11*1=11'] Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 55*11=605, Resulting Numbers: [605] 605,55 unequal: No Solution Exploring Operation: 55+11=66, Resulting Numbers: [66] 66,55 unequal: No Solution Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,55 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:[55, 11], Operations: ['14/14=1', '11/1=11'] Exploring Operation: 55+11=66, Resulting Numbers: [66] 66,55 unequal: No Solution Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 55*11=605, Resulting Numbers: [605] 605,55 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:[11, 56], Operations: ['14/14=1', '55+1=56'] Exploring Operation: 56-11=45, Resulting Numbers: [45] 45,55 unequal: No Solution Exploring Operation: 11+56=67, Resulting Numbers: [67] 67,55 unequal: No Solution Exploring Operation: 11*56=616, Resulting Numbers: [616] 616,55 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: 55:[55, 11, 0], Operations: ['14-14=0'] Exploring Operation: 11+0=11, Resulting Numbers: [55, 11] Generated Node #0,2,0: 55:[55, 11] Operation: 11+0=11 Exploring Operation: 55/11=5, Resulting Numbers: [0, 5] Generated Node #0,2,1: 55:[0, 5] Operation: 55/11=5 Exploring Operation: 11-0=11, Resulting Numbers: [55, 11] Generated Node #0,2,2: 55:[55, 11] Operation: 11-0=11 Exploring Operation: 55+0=55, Resulting Numbers: [11, 55] Generated Node #0,2,3: 55:[11, 55] Operation: 55+0=55 Exploring Operation: 55-0=55, Resulting Numbers: [11, 55] Generated Node #0,2,4: 55:[11, 55] Operation: 55-0=55 Moving to Node #0,1 Current State: 55:[14, 55, 3], Operations: ['14-11=3'] Exploring Operation: 55+3=58, Resulting Numbers: [14, 58] Generated Node #0,1,0: 55:[14, 58] Operation: 55+3=58 Exploring Operation: 14+3=17, Resulting Numbers: [55, 17] Generated Node #0,1,1: 55:[55, 17] Operation: 14+3=17 Exploring Operation: 14*3=42, Resulting Numbers: [55, 42] Generated Node #0,1,2: 55:[55, 42] Operation: 14*3=42 Exploring Operation: 14-3=11, Resulting Numbers: [55, 11] Generated Node #0,1,3: 55:[55, 11] Operation: 14-3=11 Exploring Operation: 55-3=52, Resulting Numbers: [14, 52] Generated Node #0,1,4: 55:[14, 52] Operation: 55-3=52 Moving to Node #0,3 Current State: 55:[14, 55, 3], Operations: ['14-11=3'] Exploring Operation: 55+3=58, Resulting Numbers: [14, 58] Generated Node #0,3,0: 55:[14, 58] Operation: 55+3=58 Exploring Operation: 14-3=11, Resulting Numbers: [55, 11] Generated Node #0,3,1: 55:[55, 11] Operation: 14-3=11 Exploring Operation: 55-3=52, Resulting Numbers: [14, 52] Generated Node #0,3,2: 55:[14, 52] Operation: 55-3=52 Exploring Operation: 14+3=17, Resulting Numbers: [55, 17] Generated Node #0,3,3: 55:[55, 17] Operation: 14+3=17 Exploring Operation: 14*3=42, Resulting Numbers: [55, 42] Generated Node #0,3,4: 55:[55, 42] Operation: 14*3=42 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 55:[55, 11], Operations: ['14-11=3', '14-3=11'] Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 55*11=605, Resulting Numbers: [605] 605,55 unequal: No Solution Exploring Operation: 55+11=66, Resulting Numbers: [66] 66,55 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:[14, 58], Operations: ['14-11=3', '55+3=58'] Exploring Operation: 58-14=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 14+58=72, Resulting Numbers: [72] 72,55 unequal: No Solution Exploring Operation: 14*58=812, Resulting Numbers: [812] 812,55 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:[14, 52], Operations: ['14-11=3', '55-3=52'] Exploring Operation: 14*52=728, Resulting Numbers: [728] 728,55 unequal: No Solution Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,55 unequal: No Solution Exploring Operation: 14+52=66, Resulting Numbers: [66] 66,55 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:[55, 17], Operations: ['14-11=3', '14+3=17'] Exploring Operation: 55+17=72, Resulting Numbers: [72] 72,55 unequal: No Solution Exploring Operation: 55-17=38, Resulting Numbers: [38] 38,55 unequal: No Solution Exploring Operation: 55*17=935, Resulting Numbers: [935] 935,55 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 #0,3,4 Current State: 55:[55, 42], Operations: ['14-11=3', '14*3=42'] Exploring Operation: 55-42=13, Resulting Numbers: [13] 13,55 unequal: No Solution Exploring Operation: 55*42=2310, Resulting Numbers: [2310] 2310,55 unequal: No Solution Exploring Operation: 55+42=97, Resulting Numbers: [97] 97,55 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: 55:[14, 14, 5], Operations: ['55/11=5'] Exploring Operation: 14-5=9, Resulting Numbers: [14, 9] Generated Node #0,4,0: 55:[14, 9] Operation: 14-5=9 Exploring Operation: 14/14=1, Resulting Numbers: [5, 1] Generated Node #0,4,1: 55:[5, 1] Operation: 14/14=1 Exploring Operation: 14-5=9, Resulting Numbers: [14, 9] Generated Node #0,4,2: 55:[14, 9] Operation: 14-5=9 Exploring Operation: 14-14=0, Resulting Numbers: [5, 0] Generated Node #0,4,3: 55:[5, 0] Operation: 14-14=0 Exploring Operation: 14+5=19, Resulting Numbers: [14, 19] Generated Node #0,4,4: 55:[14, 19] Operation: 14+5=19 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 55:[5, 1], Operations: ['55/11=5', '14/14=1'] Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 55:[14, 9], Operations: ['55/11=5', '14-5=9'] Exploring Operation: 14+9=23, Resulting Numbers: [23] 23,55 unequal: No Solution Exploring Operation: 14*9=126, Resulting Numbers: [126] 126,55 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 55:[14, 9], Operations: ['55/11=5', '14-5=9'] Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 14+9=23, Resulting Numbers: [23] 23,55 unequal: No Solution Exploring Operation: 14*9=126, Resulting Numbers: [126] 126,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 55:[5, 0], Operations: ['55/11=5', '14-14=0'] Exploring Operation: 5-0=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 5*0=0, Resulting Numbers: [0] 0,55 unequal: No Solution Exploring Operation: 5+0=5, Resulting Numbers: [5] 5,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 55:[14, 19], Operations: ['55/11=5', '14+5=19'] Exploring Operation: 14*19=266, Resulting Numbers: [266] 266,55 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 14+19=33, Resulting Numbers: [33] 33,55 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: 55:[55, 11], Operations: ['14-14=0', '11+0=11'] Exploring Operation: 55*11=605, Resulting Numbers: [605] 605,55 unequal: No Solution Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 55+11=66, Resulting Numbers: [66] 66,55 unequal: No Solution Moving to Node #0,2,3 Current State: 55:[11, 55], Operations: ['14-14=0', '55+0=55'] Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 11+55=66, Resulting Numbers: [66] 66,55 unequal: No Solution Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 11*55=605, Resulting Numbers: [605] 605,55 unequal: No Solution Moving to Node #0,1,3 Current State: 55:[55, 11], Operations: ['14-11=3', '14-3=11'] Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 55+11=66, Resulting Numbers: [66] 66,55 unequal: No Solution Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 55*11=605, Resulting Numbers: [605] 605,55 unequal: No Solution Moving to Node #0,2,2 Current State: 55:[55, 11], Operations: ['14-14=0', '11-0=11'] Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 55*11=605, Resulting Numbers: [605] 605,55 unequal: No Solution Exploring Operation: 55+11=66, Resulting Numbers: [66] 66,55 unequal: No Solution Moving to Node #0,2,4 Current State: 55:[11, 55], Operations: ['14-14=0', '55-0=55'] Exploring Operation: 11+55=66, Resulting Numbers: [66] 66,55 unequal: No Solution Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 11*55=605, Resulting Numbers: [605] 605,55 unequal: No Solution Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,55 unequal: No Solution Moving to Node #0,2,1 Current State: 55:[0, 5], Operations: ['14-14=0', '55/11=5'] Exploring Operation: 5-0=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 0+5=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 0*5=0, Resulting Numbers: [0] 0,55 unequal: No Solution Moving to Node #0,1,0 Current State: 55:[14, 58], Operations: ['14-11=3', '55+3=58'] Exploring Operation: 14+58=72, Resulting Numbers: [72] 72,55 unequal: No Solution Exploring Operation: 58-14=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 14*58=812, Resulting Numbers: [812] 812,55 unequal: No Solution Moving to Node #0,1,4 Current State: 55:[14, 52], Operations: ['14-11=3', '55-3=52'] Exploring Operation: 14+52=66, Resulting Numbers: [66] 66,55 unequal: No Solution Exploring Operation: 14*52=728, Resulting Numbers: [728] 728,55 unequal: No Solution Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[55, 17], Operations: ['14-11=3', '14+3=17'] Exploring Operation: 55*17=935, Resulting Numbers: [935] 935,55 unequal: No Solution Exploring Operation: 55+17=72, Resulting Numbers: [72] 72,55 unequal: No Solution Exploring Operation: 55-17=38, Resulting Numbers: [38] 38,55 unequal: No Solution Moving to Node #0,1,2 Current State: 55:[55, 42], Operations: ['14-11=3', '14*3=42'] Exploring Operation: 55*42=2310, Resulting Numbers: [2310] 2310,55 unequal: No Solution Exploring Operation: 55+42=97, Resulting Numbers: [97] 97,55 unequal: No Solution Exploring Operation: 55-42=13, Resulting Numbers: [13] 13,55 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 13, 19, 35, 7 ]
60
[ "13+19=32", "35-7=28", "32+28=60" ]
Current State: 60:[13, 19, 35, 7], Operations: [] Exploring Operation: 13+19=32, Resulting Numbers: [35, 7, 32] Generated Node #2: [35, 7, 32] from Operation: 13+19=32 Current State: 60:[35, 7, 32], Operations: ['13+19=32'] Exploring Operation: 35-7=28, Resulting Numbers: [32, 28] Generated Node #3: [32, 28] from Operation: 35-7=28 Current State: 60:[32, 28], Operations: ['13+19=32', '35-7=28'] Exploring Operation: 32+28=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[13, 19, 35, 7], Operations: [] Exploring Operation: 35-19=16, Resulting Numbers: [13, 7, 16] Generated Node #0,0: 60:[13, 7, 16] Operation: 35-19=16 Exploring Operation: 35/7=5, Resulting Numbers: [13, 19, 5] Generated Node #0,1: 60:[13, 19, 5] Operation: 35/7=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[13, 19, 5], Operations: ['35/7=5'] Exploring Operation: 13+19=32, Resulting Numbers: [5, 32] Generated Node #0,1,0: 60:[5, 32] Operation: 13+19=32 Exploring Operation: 19-13=6, Resulting Numbers: [5, 6] Generated Node #0,1,1: 60:[5, 6] Operation: 19-13=6 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 60:[5, 6], Operations: ['35/7=5', '19-13=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,60 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 #0,1,0 Current State: 60:[5, 32], Operations: ['35/7=5', '13+19=32'] Exploring Operation: 5+32=37, Resulting Numbers: [37] 37,60 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,60 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 #0,0 Current State: 60:[13, 7, 16], Operations: ['35-19=16'] Exploring Operation: 13+7=20, Resulting Numbers: [16, 20] Generated Node #0,0,0: 60:[16, 20] Operation: 13+7=20 Exploring Operation: 13-7=6, Resulting Numbers: [16, 6] Generated Node #0,0,1: 60:[16, 6] Operation: 13-7=6 Moving to Node #0,0,0 Current State: 60:[16, 20], Operations: ['35-19=16', '13+7=20'] Exploring Operation: 16+20=36, Resulting Numbers: [36] 36,60 unequal: No Solution Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[16, 6], Operations: ['35-19=16', '13-7=6'] Exploring Operation: 16+6=22, Resulting Numbers: [22] 22,60 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,60 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
[ 28, 14, 33, 35 ]
31
[ "28/14=2", "33*2=66", "66-35=31" ]
Current State: 31:[28, 14, 33, 35], Operations: [] Exploring Operation: 28/14=2, Resulting Numbers: [33, 35, 2] Generated Node #2: [33, 35, 2] from Operation: 28/14=2 Current State: 31:[33, 35, 2], Operations: ['28/14=2'] Exploring Operation: 33*2=66, Resulting Numbers: [35, 66] Generated Node #3: [35, 66] from Operation: 33*2=66 Current State: 31:[35, 66], Operations: ['28/14=2', '33*2=66'] Exploring Operation: 66-35=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[28, 14, 33, 35], Operations: [] Exploring Operation: 28+14=42, Resulting Numbers: [33, 35, 42] Generated Node #0,0: 31:[33, 35, 42] Operation: 28+14=42 Exploring Operation: 33-14=19, Resulting Numbers: [28, 35, 19] Generated Node #0,1: 31:[28, 35, 19] Operation: 33-14=19 Exploring Operation: 28-14=14, Resulting Numbers: [33, 35, 14] Generated Node #0,2: 31:[33, 35, 14] Operation: 28-14=14 Exploring Operation: 14+33=47, Resulting Numbers: [28, 35, 47] Generated Node #0,3: 31:[28, 35, 47] Operation: 14+33=47 Exploring Operation: 35-14=21, Resulting Numbers: [28, 33, 21] Generated Node #0,4: 31:[28, 33, 21] Operation: 35-14=21 Start Sub Search at level 1: Moving to Node #0,4 Current State: 31:[28, 33, 21], Operations: ['35-14=21'] Exploring Operation: 33-21=12, Resulting Numbers: [28, 12] Generated Node #0,4,0: 31:[28, 12] Operation: 33-21=12 Exploring Operation: 33-28=5, Resulting Numbers: [21, 5] Generated Node #0,4,1: 31:[21, 5] Operation: 33-28=5 Exploring Operation: 33+21=54, Resulting Numbers: [28, 54] Generated Node #0,4,2: 31:[28, 54] Operation: 33+21=54 Exploring Operation: 28+21=49, Resulting Numbers: [33, 49] Generated Node #0,4,3: 31:[33, 49] Operation: 28+21=49 Exploring Operation: 28-21=7, Resulting Numbers: [33, 7] Generated Node #0,4,4: 31:[33, 7] Operation: 28-21=7 Moving to Node #0,4,3 Current State: 31:[33, 49], Operations: ['35-14=21', '28+21=49'] Exploring Operation: 33+49=82, Resulting Numbers: [82] 82,31 unequal: No Solution Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 33*49=1617, Resulting Numbers: [1617] 1617,31 unequal: No Solution Moving to Node #0,4,0 Current State: 31:[28, 12], Operations: ['35-14=21', '33-21=12'] Exploring Operation: 28*12=336, Resulting Numbers: [336] 336,31 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 28+12=40, Resulting Numbers: [40] 40,31 unequal: No Solution Moving to Node #0,4,2 Current State: 31:[28, 54], Operations: ['35-14=21', '33+21=54'] Exploring Operation: 28*54=1512, Resulting Numbers: [1512] 1512,31 unequal: No Solution Exploring Operation: 28+54=82, Resulting Numbers: [82] 82,31 unequal: No Solution Exploring Operation: 54-28=26, Resulting Numbers: [26] 26,31 unequal: No Solution Moving to Node #0,4,4 Current State: 31:[33, 7], Operations: ['35-14=21', '28-21=7'] Exploring Operation: 33*7=231, Resulting Numbers: [231] 231,31 unequal: No Solution Exploring Operation: 33+7=40, Resulting Numbers: [40] 40,31 unequal: No Solution Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,31 unequal: No Solution Moving to Node #0,4,1 Current State: 31:[21, 5], Operations: ['35-14=21', '33-28=5'] Exploring Operation: 21*5=105, Resulting Numbers: [105] 105,31 unequal: No Solution Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,31 unequal: No Solution No 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: 31:[33, 35, 42], Operations: ['28+14=42'] Exploring Operation: 42-33=9, Resulting Numbers: [35, 9] Generated Node #0,0,0: 31:[35, 9] Operation: 42-33=9 Exploring Operation: 35-33=2, Resulting Numbers: [42, 2] Generated Node #0,0,1: 31:[42, 2] Operation: 35-33=2 Exploring Operation: 33+42=75, Resulting Numbers: [35, 75] Generated Node #0,0,2: 31:[35, 75] Operation: 33+42=75 Exploring Operation: 42-35=7, Resulting Numbers: [33, 7] Generated Node #0,0,3: 31:[33, 7] Operation: 42-35=7 Exploring Operation: 33+35=68, Resulting Numbers: [42, 68] Generated Node #0,0,4: 31:[42, 68] Operation: 33+35=68 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[35, 9], Operations: ['28+14=42', '42-33=9'] Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 35+9=44, Resulting Numbers: [44] 44,31 unequal: No Solution Exploring Operation: 35*9=315, Resulting Numbers: [315] 315,31 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: 31:[33, 7], Operations: ['28+14=42', '42-35=7'] Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 33*7=231, Resulting Numbers: [231] 231,31 unequal: No Solution Exploring Operation: 33+7=40, Resulting Numbers: [40] 40,31 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: 31:[42, 2], Operations: ['28+14=42', '35-33=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,31 unequal: No Solution Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,31 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,31 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,31 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: 31:[35, 75], Operations: ['28+14=42', '33+42=75'] Exploring Operation: 35+75=110, Resulting Numbers: [110] 110,31 unequal: No Solution Exploring Operation: 35*75=2625, Resulting Numbers: [2625] 2625,31 unequal: No Solution Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,31 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: 31:[42, 68], Operations: ['28+14=42', '33+35=68'] Exploring Operation: 42+68=110, Resulting Numbers: [110] 110,31 unequal: No Solution Exploring Operation: 42*68=2856, Resulting Numbers: [2856] 2856,31 unequal: No Solution Exploring Operation: 68-42=26, Resulting Numbers: [26] 26,31 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: 31:[28, 35, 19], Operations: ['33-14=19'] Exploring Operation: 35-19=16, Resulting Numbers: [28, 16] Generated Node #0,1,0: 31:[28, 16] Operation: 35-19=16 Exploring Operation: 35+19=54, Resulting Numbers: [28, 54] Generated Node #0,1,1: 31:[28, 54] Operation: 35+19=54 Exploring Operation: 28+19=47, Resulting Numbers: [35, 47] Generated Node #0,1,2: 31:[35, 47] Operation: 28+19=47 Exploring Operation: 28-19=9, Resulting Numbers: [35, 9] Generated Node #0,1,3: 31:[35, 9] Operation: 28-19=9 Exploring Operation: 35-28=7, Resulting Numbers: [19, 7] Generated Node #0,1,4: 31:[19, 7] Operation: 35-28=7 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 31:[28, 16], Operations: ['33-14=19', '35-19=16'] Exploring Operation: 28*16=448, Resulting Numbers: [448] 448,31 unequal: No Solution Exploring Operation: 28+16=44, Resulting Numbers: [44] 44,31 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,31 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: 31:[35, 47], Operations: ['33-14=19', '28+19=47'] Exploring Operation: 35+47=82, Resulting Numbers: [82] 82,31 unequal: No Solution Exploring Operation: 47-35=12, Resulting Numbers: [12] 12,31 unequal: No Solution Exploring Operation: 35*47=1645, Resulting Numbers: [1645] 1645,31 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: 31:[28, 54], Operations: ['33-14=19', '35+19=54'] Exploring Operation: 28+54=82, Resulting Numbers: [82] 82,31 unequal: No Solution Exploring Operation: 54-28=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 28*54=1512, Resulting Numbers: [1512] 1512,31 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: 31:[35, 9], Operations: ['33-14=19', '28-19=9'] Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 35*9=315, Resulting Numbers: [315] 315,31 unequal: No Solution Exploring Operation: 35+9=44, Resulting Numbers: [44] 44,31 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: 31:[19, 7], Operations: ['33-14=19', '35-28=7'] Exploring Operation: 19+7=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,31 unequal: No Solution Exploring Operation: 19*7=133, Resulting Numbers: [133] 133,31 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: 31:[33, 35, 14], Operations: ['28-14=14'] Exploring Operation: 33-14=19, Resulting Numbers: [35, 19] Generated Node #0,2,0: 31:[35, 19] Operation: 33-14=19 Exploring Operation: 35-33=2, Resulting Numbers: [14, 2] Generated Node #0,2,1: 31:[14, 2] Operation: 35-33=2 Exploring Operation: 33+14=47, Resulting Numbers: [35, 47] Generated Node #0,2,2: 31:[35, 47] Operation: 33+14=47 Exploring Operation: 35+14=49, Resulting Numbers: [33, 49] Generated Node #0,2,3: 31:[33, 49] Operation: 35+14=49 Exploring Operation: 35-14=21, Resulting Numbers: [33, 21] Generated Node #0,2,4: 31:[33, 21] Operation: 35-14=21 Moving to Node #0,2,4 Current State: 31:[33, 21], Operations: ['28-14=14', '35-14=21'] Exploring Operation: 33*21=693, Resulting Numbers: [693] 693,31 unequal: No Solution Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,31 unequal: No Solution Exploring Operation: 33+21=54, Resulting Numbers: [54] 54,31 unequal: No Solution Moving to Node #0,2,0 Current State: 31:[35, 19], Operations: ['28-14=14', '33-14=19'] Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 35+19=54, Resulting Numbers: [54] 54,31 unequal: No Solution Exploring Operation: 35*19=665, Resulting Numbers: [665] 665,31 unequal: No Solution Moving to Node #0,2,2 Current State: 31:[35, 47], Operations: ['28-14=14', '33+14=47'] Exploring Operation: 35*47=1645, Resulting Numbers: [1645] 1645,31 unequal: No Solution Exploring Operation: 47-35=12, Resulting Numbers: [12] 12,31 unequal: No Solution Exploring Operation: 35+47=82, Resulting Numbers: [82] 82,31 unequal: No Solution Moving to Node #0,2,3 Current State: 31:[33, 49], Operations: ['28-14=14', '35+14=49'] Exploring Operation: 33+49=82, Resulting Numbers: [82] 82,31 unequal: No Solution Exploring Operation: 33*49=1617, Resulting Numbers: [1617] 1617,31 unequal: No Solution Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,31 unequal: No Solution Moving to Node #0,2,1 Current State: 31:[14, 2], Operations: ['28-14=14', '35-33=2'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,31 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,31 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,31 unequal: No Solution No 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: 31:[28, 35, 47], Operations: ['14+33=47'] Exploring Operation: 47-35=12, Resulting Numbers: [28, 12] Generated Node #0,3,0: 31:[28, 12] Operation: 47-35=12 Exploring Operation: 35-28=7, Resulting Numbers: [47, 7] Generated Node #0,3,1: 31:[47, 7] Operation: 35-28=7 Exploring Operation: 28+35=63, Resulting Numbers: [47, 63] Generated Node #0,3,2: 31:[47, 63] Operation: 28+35=63 Exploring Operation: 28+47=75, Resulting Numbers: [35, 75] Generated Node #0,3,3: 31:[35, 75] Operation: 28+47=75 Exploring Operation: 47-28=19, Resulting Numbers: [35, 19] Generated Node #0,3,4: 31:[35, 19] Operation: 47-28=19 Moving to Node #0,3,4 Current State: 31:[35, 19], Operations: ['14+33=47', '47-28=19'] Exploring Operation: 35+19=54, Resulting Numbers: [54] 54,31 unequal: No Solution Exploring Operation: 35*19=665, Resulting Numbers: [665] 665,31 unequal: No Solution Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,31 unequal: No Solution Moving to Node #0,3,0 Current State: 31:[28, 12], Operations: ['14+33=47', '47-35=12'] Exploring Operation: 28*12=336, Resulting Numbers: [336] 336,31 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 28+12=40, Resulting Numbers: [40] 40,31 unequal: No Solution Moving to Node #0,3,1 Current State: 31:[47, 7], Operations: ['14+33=47', '35-28=7'] Exploring Operation: 47*7=329, Resulting Numbers: [329] 329,31 unequal: No Solution Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,31 unequal: No Solution Exploring Operation: 47+7=54, Resulting Numbers: [54] 54,31 unequal: No Solution Moving to Node #0,3,2 Current State: 31:[47, 63], Operations: ['14+33=47', '28+35=63'] Exploring Operation: 63-47=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 47*63=2961, Resulting Numbers: [2961] 2961,31 unequal: No Solution Exploring Operation: 47+63=110, Resulting Numbers: [110] 110,31 unequal: No Solution Moving to Node #0,3,3 Current State: 31:[35, 75], Operations: ['14+33=47', '28+47=75'] Exploring Operation: 35+75=110, Resulting Numbers: [110] 110,31 unequal: No Solution Exploring Operation: 35*75=2625, Resulting Numbers: [2625] 2625,31 unequal: No Solution Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,31 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
[ 73, 41, 92, 71 ]
53
[ "73-41=32", "92-71=21", "32+21=53" ]
Current State: 53:[73, 41, 92, 71], Operations: [] Exploring Operation: 73-41=32, Resulting Numbers: [92, 71, 32] Generated Node #2: [92, 71, 32] from Operation: 73-41=32 Current State: 53:[92, 71, 32], Operations: ['73-41=32'] Exploring Operation: 92-71=21, Resulting Numbers: [32, 21] Generated Node #3: [32, 21] from Operation: 92-71=21 Current State: 53:[32, 21], Operations: ['73-41=32', '92-71=21'] Exploring Operation: 32+21=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[73, 41, 92, 71], Operations: [] Exploring Operation: 92-41=51, Resulting Numbers: [73, 71, 51] Generated Node #0,0: 53:[73, 71, 51] Operation: 92-41=51 Exploring Operation: 73-41=32, Resulting Numbers: [92, 71, 32] Generated Node #0,1: 53:[92, 71, 32] Operation: 73-41=32 Exploring Operation: 92-73=19, Resulting Numbers: [41, 71, 19] Generated Node #0,2: 53:[41, 71, 19] Operation: 92-73=19 Exploring Operation: 71-41=30, Resulting Numbers: [73, 92, 30] Generated Node #0,3: 53:[73, 92, 30] Operation: 71-41=30 Exploring Operation: 92-71=21, Resulting Numbers: [73, 41, 21] Generated Node #0,4: 53:[73, 41, 21] Operation: 92-71=21 Moving to Node #0,0 Current State: 53:[73, 71, 51], Operations: ['92-41=51'] Exploring Operation: 73+51=124, Resulting Numbers: [71, 124] Generated Node #0,0,0: 53:[71, 124] Operation: 73+51=124 Exploring Operation: 71-51=20, Resulting Numbers: [73, 20] Generated Node #0,0,1: 53:[73, 20] Operation: 71-51=20 Exploring Operation: 71+51=122, Resulting Numbers: [73, 122] Generated Node #0,0,2: 53:[73, 122] Operation: 71+51=122 Exploring Operation: 73-71=2, Resulting Numbers: [51, 2] Generated Node #0,0,3: 53:[51, 2] Operation: 73-71=2 Exploring Operation: 73-51=22, Resulting Numbers: [71, 22] Generated Node #0,0,4: 53:[71, 22] Operation: 73-51=22 Moving to Node #0,4 Current State: 53:[73, 41, 21], Operations: ['92-71=21'] Exploring Operation: 41+21=62, Resulting Numbers: [73, 62] Generated Node #0,4,0: 53:[73, 62] Operation: 41+21=62 Exploring Operation: 73-21=52, Resulting Numbers: [41, 52] Generated Node #0,4,1: 53:[41, 52] Operation: 73-21=52 Exploring Operation: 73-41=32, Resulting Numbers: [21, 32] Generated Node #0,4,2: 53:[21, 32] Operation: 73-41=32 Exploring Operation: 41-21=20, Resulting Numbers: [73, 20] Generated Node #0,4,3: 53:[73, 20] Operation: 41-21=20 Exploring Operation: 73+21=94, Resulting Numbers: [41, 94] Generated Node #0,4,4: 53:[41, 94] Operation: 73+21=94 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 53:[41, 52], Operations: ['92-71=21', '73-21=52'] Exploring Operation: 41*52=2132, Resulting Numbers: [2132] 2132,53 unequal: No Solution Exploring Operation: 41+52=93, Resulting Numbers: [93] 93,53 unequal: No Solution Exploring Operation: 52-41=11, Resulting Numbers: [11] 11,53 unequal: No Solution No 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: 53:[73, 62], Operations: ['92-71=21', '41+21=62'] Exploring Operation: 73+62=135, Resulting Numbers: [135] 135,53 unequal: No Solution Exploring Operation: 73-62=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 73*62=4526, Resulting Numbers: [4526] 4526,53 unequal: No Solution No 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: 53:[21, 32], Operations: ['92-71=21', '73-41=32'] Exploring Operation: 21*32=672, Resulting Numbers: [672] 672,53 unequal: No Solution Exploring Operation: 32-21=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 21+32=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[73, 41, 92, 71], Operations: [] Exploring Operation: 92-71=21, Resulting Numbers: [73, 41, 21] Generated Node #0,4: 53:[73, 41, 21] Operation: 92-71=21 Moving to Node #0,4 Current State: 53:[73, 41, 21], Operations: ['92-71=21'] Exploring Operation: 73-41=32, Resulting Numbers: [21, 32] Generated Node #0,4,2: 53:[21, 32] Operation: 73-41=32 Moving to Node #0,4,2 Current State: 53:[21, 32], Operations: ['92-71=21', '73-41=32'] Exploring Operation: 21+32=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_5
sum_heuristic
[ 59, 95, 8, 49 ]
41
[ "95+49=144", "144/8=18", "59-18=41" ]
Current State: 41:[59, 95, 8, 49], Operations: [] Exploring Operation: 95+49=144, Resulting Numbers: [59, 8, 144] Generated Node #2: [59, 8, 144] from Operation: 95+49=144 Current State: 41:[59, 8, 144], Operations: ['95+49=144'] Exploring Operation: 144/8=18, Resulting Numbers: [59, 18] Generated Node #3: [59, 18] from Operation: 144/8=18 Current State: 41:[59, 18], Operations: ['95+49=144', '144/8=18'] Exploring Operation: 59-18=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[59, 95, 8, 49], Operations: [] Exploring Operation: 95-59=36, Resulting Numbers: [8, 49, 36] Generated Node #0,0: 41:[8, 49, 36] Operation: 95-59=36 Moving to Node #0,0 Current State: 41:[8, 49, 36], Operations: ['95-59=36'] Exploring Operation: 49-8=41, Resulting Numbers: [36, 41] Generated Node #0,0,0: 41:[36, 41] Operation: 49-8=41 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[36, 41], Operations: ['95-59=36', '49-8=41'] Exploring Operation: 36+41=77, Resulting Numbers: [77] 77,41 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
[ 28, 22, 23, 4 ]
42
[ "28+22=50", "23*4=92", "92-50=42" ]
Current State: 42:[28, 22, 23, 4], Operations: [] Exploring Operation: 28+22=50, Resulting Numbers: [23, 4, 50] Generated Node #2: [23, 4, 50] from Operation: 28+22=50 Current State: 42:[23, 4, 50], Operations: ['28+22=50'] Exploring Operation: 23*4=92, Resulting Numbers: [50, 92] Generated Node #3: [50, 92] from Operation: 23*4=92 Current State: 42:[50, 92], Operations: ['28+22=50', '23*4=92'] Exploring Operation: 92-50=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[28, 22, 23, 4], Operations: [] Exploring Operation: 28-23=5, Resulting Numbers: [22, 4, 5] Generated Node #0,0: 42:[22, 4, 5] Operation: 28-23=5 Exploring Operation: 28-22=6, Resulting Numbers: [23, 4, 6] Generated Node #0,1: 42:[23, 4, 6] Operation: 28-22=6 Moving to Node #0,0 Current State: 42:[22, 4, 5], Operations: ['28-23=5'] Exploring Operation: 5-4=1, Resulting Numbers: [22, 1] Generated Node #0,0,0: 42:[22, 1] Operation: 5-4=1 Exploring Operation: 4*5=20, Resulting Numbers: [22, 20] Generated Node #0,0,1: 42:[22, 20] Operation: 4*5=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[22, 1], Operations: ['28-23=5', '5-4=1'] Exploring Operation: 22-1=21, Resulting Numbers: [21] 21,42 unequal: No Solution Exploring Operation: 22*1=22, Resulting Numbers: [22] 22,42 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 #0,0,1 Current State: 42:[22, 20], Operations: ['28-23=5', '4*5=20'] Exploring Operation: 22-20=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 22+20=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[28, 22, 23, 4], Operations: [] Exploring Operation: 28-23=5, Resulting Numbers: [22, 4, 5] Generated Node #0,0: 42:[22, 4, 5] Operation: 28-23=5 Moving to Node #0,0 Current State: 42:[22, 4, 5], Operations: ['28-23=5'] Exploring Operation: 4*5=20, Resulting Numbers: [22, 20] Generated Node #0,0,1: 42:[22, 20] Operation: 4*5=20 Moving to Node #0,0,1 Current State: 42:[22, 20], Operations: ['28-23=5', '4*5=20'] Exploring Operation: 22+20=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 72, 24, 22, 96 ]
44
[ "72-24=48", "22*96=2112", "2112/48=44" ]
Current State: 44:[72, 24, 22, 96], Operations: [] Exploring Operation: 72-24=48, Resulting Numbers: [22, 96, 48] Generated Node #2: [22, 96, 48] from Operation: 72-24=48 Current State: 44:[22, 96, 48], Operations: ['72-24=48'] Exploring Operation: 22*96=2112, Resulting Numbers: [48, 2112] Generated Node #3: [48, 2112] from Operation: 22*96=2112 Current State: 44:[48, 2112], Operations: ['72-24=48', '22*96=2112'] Exploring Operation: 2112/48=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[72, 24, 22, 96], Operations: [] Exploring Operation: 96-72=24, Resulting Numbers: [24, 22, 24] Generated Node #0,0: 44:[24, 22, 24] Operation: 96-72=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[24, 22, 24], Operations: ['96-72=24'] Exploring Operation: 24/24=1, Resulting Numbers: [22, 1] Generated Node #0,0,0: 44:[22, 1] Operation: 24/24=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 44:[22, 1], Operations: ['96-72=24', '24/24=1'] Exploring Operation: 22*1=22, Resulting Numbers: [22] 22,44 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
[ 85, 62, 1, 3 ]
26
[ "85-62=23", "1*3=3", "23+3=26" ]
Current State: 26:[85, 62, 1, 3], Operations: [] Exploring Operation: 85-62=23, Resulting Numbers: [1, 3, 23] Generated Node #2: [1, 3, 23] from Operation: 85-62=23 Current State: 26:[1, 3, 23], Operations: ['85-62=23'] Exploring Operation: 1*3=3, Resulting Numbers: [23, 3] Generated Node #3: [23, 3] from Operation: 1*3=3 Current State: 26:[23, 3], Operations: ['85-62=23', '1*3=3'] Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[85, 62, 1, 3], Operations: [] Exploring Operation: 85-62=23, Resulting Numbers: [1, 3, 23] Generated Node #0,0: 26:[1, 3, 23] Operation: 85-62=23 Exploring Operation: 85-3=82, Resulting Numbers: [62, 1, 82] Generated Node #0,1: 26:[62, 1, 82] Operation: 85-3=82 Exploring Operation: 62-3=59, Resulting Numbers: [85, 1, 59] Generated Node #0,2: 26:[85, 1, 59] Operation: 62-3=59 Moving to Node #0,0 Current State: 26:[1, 3, 23], Operations: ['85-62=23'] Exploring Operation: 3+23=26, Resulting Numbers: [1, 26] Generated Node #0,0,0: 26:[1, 26] Operation: 3+23=26 Exploring Operation: 1+23=24, Resulting Numbers: [3, 24] Generated Node #0,0,1: 26:[3, 24] Operation: 1+23=24 Exploring Operation: 3-1=2, Resulting Numbers: [23, 2] Generated Node #0,0,2: 26:[23, 2] Operation: 3-1=2 Moving to Node #0,1 Current State: 26:[62, 1, 82], Operations: ['85-3=82'] Exploring Operation: 82-1=81, Resulting Numbers: [62, 81] Generated Node #0,1,0: 26:[62, 81] Operation: 82-1=81 Exploring Operation: 62-1=61, Resulting Numbers: [82, 61] Generated Node #0,1,1: 26:[82, 61] Operation: 62-1=61 Exploring Operation: 82-62=20, Resulting Numbers: [1, 20] Generated Node #0,1,2: 26:[1, 20] Operation: 82-62=20 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 26:[1, 20], Operations: ['85-3=82', '82-62=20'] Exploring Operation: 1*20=20, Resulting Numbers: [20] 20,26 unequal: No Solution Exploring Operation: 1+20=21, Resulting Numbers: [21] 21,26 unequal: No Solution Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[62, 81], Operations: ['85-3=82', '82-1=81'] Exploring Operation: 62+81=143, Resulting Numbers: [143] 143,26 unequal: No Solution Exploring Operation: 62*81=5022, Resulting Numbers: [5022] 5022,26 unequal: No Solution Exploring Operation: 81-62=19, Resulting Numbers: [19] 19,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 26:[82, 61], Operations: ['85-3=82', '62-1=61'] Exploring Operation: 82-61=21, Resulting Numbers: [21] 21,26 unequal: No Solution Exploring Operation: 82*61=5002, Resulting Numbers: [5002] 5002,26 unequal: No Solution Exploring Operation: 82+61=143, Resulting Numbers: [143] 143,26 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: 26:[85, 1, 59], Operations: ['62-3=59'] Exploring Operation: 85-59=26, Resulting Numbers: [1, 26] Generated Node #0,2,0: 26:[1, 26] Operation: 85-59=26 Exploring Operation: 85-1=84, Resulting Numbers: [59, 84] Generated Node #0,2,1: 26:[59, 84] Operation: 85-1=84 Exploring Operation: 59-1=58, Resulting Numbers: [85, 58] Generated Node #0,2,2: 26:[85, 58] Operation: 59-1=58 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 26:[1, 26], Operations: ['62-3=59', '85-59=26'] Exploring Operation: 26/1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[85, 62, 1, 3], Operations: [] Exploring Operation: 62-3=59, Resulting Numbers: [85, 1, 59] Generated Node #0,2: 26:[85, 1, 59] Operation: 62-3=59 Moving to Node #0,2 Current State: 26:[85, 1, 59], Operations: ['62-3=59'] Exploring Operation: 85-59=26, Resulting Numbers: [1, 26] Generated Node #0,2,0: 26:[1, 26] Operation: 85-59=26 Moving to Node #0,2,0 Current State: 26:[1, 26], Operations: ['62-3=59', '85-59=26'] Exploring Operation: 26/1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
mult_heuristic
[ 30, 15, 62, 91 ]
74
[ "30+15=45", "91-62=29", "45+29=74" ]
Current State: 74:[30, 15, 62, 91], Operations: [] Exploring Operation: 30+15=45, Resulting Numbers: [62, 91, 45] Generated Node #2: [62, 91, 45] from Operation: 30+15=45 Current State: 74:[62, 91, 45], Operations: ['30+15=45'] Exploring Operation: 91-62=29, Resulting Numbers: [45, 29] Generated Node #3: [45, 29] from Operation: 91-62=29 Current State: 74:[45, 29], Operations: ['30+15=45', '91-62=29'] Exploring Operation: 45+29=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[30, 15, 62, 91], Operations: [] Exploring Operation: 91-62=29, Resulting Numbers: [30, 15, 29] Generated Node #0,0: 74:[30, 15, 29] Operation: 91-62=29 Exploring Operation: 15+62=77, Resulting Numbers: [30, 91, 77] Generated Node #0,1: 74:[30, 91, 77] Operation: 15+62=77 Exploring Operation: 91-15=76, Resulting Numbers: [30, 62, 76] Generated Node #0,2: 74:[30, 62, 76] Operation: 91-15=76 Moving to Node #0,2 Current State: 74:[30, 62, 76], Operations: ['91-15=76'] Exploring Operation: 76-62=14, Resulting Numbers: [30, 14] Generated Node #0,2,0: 74:[30, 14] Operation: 76-62=14 Exploring Operation: 30+62=92, Resulting Numbers: [76, 92] Generated Node #0,2,1: 74:[76, 92] Operation: 30+62=92 Exploring Operation: 62-30=32, Resulting Numbers: [76, 32] Generated Node #0,2,2: 74:[76, 32] Operation: 62-30=32 Moving to Node #0,1 Current State: 74:[30, 91, 77], Operations: ['15+62=77'] Exploring Operation: 91-77=14, Resulting Numbers: [30, 14] Generated Node #0,1,0: 74:[30, 14] Operation: 91-77=14 Exploring Operation: 91-30=61, Resulting Numbers: [77, 61] Generated Node #0,1,1: 74:[77, 61] Operation: 91-30=61 Exploring Operation: 77-30=47, Resulting Numbers: [91, 47] Generated Node #0,1,2: 74:[91, 47] Operation: 77-30=47 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 74:[77, 61], Operations: ['15+62=77', '91-30=61'] Exploring Operation: 77-61=16, Resulting Numbers: [16] 16,74 unequal: No Solution Exploring Operation: 77*61=4697, Resulting Numbers: [4697] 4697,74 unequal: No Solution Exploring Operation: 77+61=138, Resulting Numbers: [138] 138,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 74:[30, 14], Operations: ['15+62=77', '91-77=14'] Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,74 unequal: No Solution Exploring Operation: 30*14=420, Resulting Numbers: [420] 420,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 74:[91, 47], Operations: ['15+62=77', '77-30=47'] Exploring Operation: 91-47=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 91+47=138, Resulting Numbers: [138] 138,74 unequal: No Solution Exploring Operation: 91*47=4277, Resulting Numbers: [4277] 4277,74 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: 74:[30, 15, 29], Operations: ['91-62=29'] Exploring Operation: 30-29=1, Resulting Numbers: [15, 1] Generated Node #0,0,0: 74:[15, 1] Operation: 30-29=1 Exploring Operation: 15+29=44, Resulting Numbers: [30, 44] Generated Node #0,0,1: 74:[30, 44] Operation: 15+29=44 Exploring Operation: 30/15=2, Resulting Numbers: [29, 2] Generated Node #0,0,2: 74:[29, 2] Operation: 30/15=2 Moving to Node #0,2,2 Current State: 74:[76, 32], Operations: ['91-15=76', '62-30=32'] Exploring Operation: 76-32=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 76*32=2432, Resulting Numbers: [2432] 2432,74 unequal: No Solution Exploring Operation: 76+32=108, Resulting Numbers: [108] 108,74 unequal: No Solution Moving to Node #0,0,2 Current State: 74:[29, 2], Operations: ['91-62=29', '30/15=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,74 unequal: No Solution Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,74 unequal: No Solution Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[30, 44], Operations: ['91-62=29', '15+29=44'] Exploring Operation: 30+44=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[30, 15, 62, 91], Operations: [] Exploring Operation: 91-62=29, Resulting Numbers: [30, 15, 29] Generated Node #0,0: 74:[30, 15, 29] Operation: 91-62=29 Moving to Node #0,0 Current State: 74:[30, 15, 29], Operations: ['91-62=29'] Exploring Operation: 15+29=44, Resulting Numbers: [30, 44] Generated Node #0,0,1: 74:[30, 44] Operation: 15+29=44 Moving to Node #0,0,1 Current State: 74:[30, 44], Operations: ['91-62=29', '15+29=44'] Exploring Operation: 30+44=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
0.972222
hs_3
mult_heuristic
[ 36, 46, 95, 82 ]
96
[ "36+46=82", "82/82=1", "95+1=96" ]
Current State: 96:[36, 46, 95, 82], Operations: [] Exploring Operation: 36+46=82, Resulting Numbers: [95, 82, 82] Generated Node #2: [95, 82, 82] from Operation: 36+46=82 Current State: 96:[95, 82, 82], Operations: ['36+46=82'] Exploring Operation: 82/82=1, Resulting Numbers: [95, 1] Generated Node #3: [95, 1] from Operation: 82/82=1 Current State: 96:[95, 1], Operations: ['36+46=82', '82/82=1'] Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[36, 46, 95, 82], Operations: [] Exploring Operation: 95-82=13, Resulting Numbers: [36, 46, 13] Generated Node #0,0: 96:[36, 46, 13] Operation: 95-82=13 Exploring Operation: 82-36=46, Resulting Numbers: [46, 95, 46] Generated Node #0,1: 96:[46, 95, 46] Operation: 82-36=46 Moving to Node #0,1 Current State: 96:[46, 95, 46], Operations: ['82-36=46'] Exploring Operation: 46/46=1, Resulting Numbers: [95, 1] Generated Node #0,1,0: 96:[95, 1] Operation: 46/46=1 Exploring Operation: 95-46=49, Resulting Numbers: [46, 49] Generated Node #0,1,1: 96:[46, 49] Operation: 95-46=49 Moving to Node #0,0 Current State: 96:[36, 46, 13], Operations: ['95-82=13'] Exploring Operation: 46-36=10, Resulting Numbers: [13, 10] Generated Node #0,0,0: 96:[13, 10] Operation: 46-36=10 Exploring Operation: 36+13=49, Resulting Numbers: [46, 49] Generated Node #0,0,1: 96:[46, 49] Operation: 36+13=49 Moving to Node #0,1,0 Current State: 96:[95, 1], Operations: ['82-36=46', '46/46=1'] Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,96 unequal: No Solution Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[36, 46, 95, 82], Operations: [] Exploring Operation: 82-36=46, Resulting Numbers: [46, 95, 46] Generated Node #0,1: 96:[46, 95, 46] Operation: 82-36=46 Moving to Node #0,1 Current State: 96:[46, 95, 46], Operations: ['82-36=46'] Exploring Operation: 46/46=1, Resulting Numbers: [95, 1] Generated Node #0,1,0: 96:[95, 1] Operation: 46/46=1 Moving to Node #0,1,0 Current State: 96:[95, 1], Operations: ['82-36=46', '46/46=1'] Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
0.989583
hs_2
sum_heuristic
[ 54, 78, 75, 40 ]
57
[ "75*40=3000", "78+3000=3078", "3078/54=57" ]
Current State: 57:[54, 78, 75, 40], Operations: [] Exploring Operation: 75*40=3000, Resulting Numbers: [54, 78, 3000] Generated Node #2: [54, 78, 3000] from Operation: 75*40=3000 Current State: 57:[54, 78, 3000], Operations: ['75*40=3000'] Exploring Operation: 78+3000=3078, Resulting Numbers: [54, 3078] Generated Node #3: [54, 3078] from Operation: 78+3000=3078 Current State: 57:[54, 3078], Operations: ['75*40=3000', '78+3000=3078'] Exploring Operation: 3078/54=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[54, 78, 75, 40], Operations: [] Exploring Operation: 78-75=3, Resulting Numbers: [54, 40, 3] Generated Node #0,0: 57:[54, 40, 3] Operation: 78-75=3 Exploring Operation: 78-40=38, Resulting Numbers: [54, 75, 38] Generated Node #0,1: 57:[54, 75, 38] Operation: 78-40=38 Exploring Operation: 75-54=21, Resulting Numbers: [78, 40, 21] Generated Node #0,2: 57:[78, 40, 21] Operation: 75-54=21 Exploring Operation: 78-54=24, Resulting Numbers: [75, 40, 24] Generated Node #0,3: 57:[75, 40, 24] Operation: 78-54=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[54, 40, 3], Operations: ['78-75=3'] Exploring Operation: 54/3=18, Resulting Numbers: [40, 18] Generated Node #0,0,0: 57:[40, 18] Operation: 54/3=18 Exploring Operation: 54+3=57, Resulting Numbers: [40, 57] Generated Node #0,0,1: 57:[40, 57] Operation: 54+3=57 Exploring Operation: 40+3=43, Resulting Numbers: [54, 43] Generated Node #0,0,2: 57:[54, 43] Operation: 40+3=43 Exploring Operation: 54-40=14, Resulting Numbers: [3, 14] Generated Node #0,0,3: 57:[3, 14] Operation: 54-40=14 Moving to Node #0,0,3 Current State: 57:[3, 14], Operations: ['78-75=3', '54-40=14'] Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,57 unequal: No Solution Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,57 unequal: No Solution Moving to Node #0,0,2 Current State: 57:[54, 43], Operations: ['78-75=3', '40+3=43'] Exploring Operation: 54+43=97, Resulting Numbers: [97] 97,57 unequal: No Solution Exploring Operation: 54-43=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 54*43=2322, Resulting Numbers: [2322] 2322,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[40, 57], Operations: ['78-75=3', '54+3=57'] Exploring Operation: 40*57=2280, Resulting Numbers: [2280] 2280,57 unequal: No Solution Exploring Operation: 40+57=97, Resulting Numbers: [97] 97,57 unequal: No Solution Exploring Operation: 57-40=17, Resulting Numbers: [17] 17,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[40, 18], Operations: ['78-75=3', '54/3=18'] Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 40*18=720, Resulting Numbers: [720] 720,57 unequal: No Solution Exploring Operation: 40+18=58, Resulting Numbers: [58] 58,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[54, 75, 38], Operations: ['78-40=38'] Exploring Operation: 54+38=92, Resulting Numbers: [75, 92] Generated Node #0,1,0: 57:[75, 92] Operation: 54+38=92 Exploring Operation: 75-54=21, Resulting Numbers: [38, 21] Generated Node #0,1,1: 57:[38, 21] Operation: 75-54=21 Exploring Operation: 75-38=37, Resulting Numbers: [54, 37] Generated Node #0,1,2: 57:[54, 37] Operation: 75-38=37 Exploring Operation: 54-38=16, Resulting Numbers: [75, 16] Generated Node #0,1,3: 57:[75, 16] Operation: 54-38=16 Moving to Node #0,1,1 Current State: 57:[38, 21], Operations: ['78-40=38', '75-54=21'] Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,57 unequal: No Solution Exploring Operation: 38+21=59, Resulting Numbers: [59] 59,57 unequal: No Solution Exploring Operation: 38*21=798, Resulting Numbers: [798] 798,57 unequal: No Solution Moving to Node #0,1,3 Current State: 57:[75, 16], Operations: ['78-40=38', '54-38=16'] Exploring Operation: 75*16=1200, Resulting Numbers: [1200] 1200,57 unequal: No Solution Exploring Operation: 75-16=59, Resulting Numbers: [59] 59,57 unequal: No Solution Exploring Operation: 75+16=91, Resulting Numbers: [91] 91,57 unequal: No Solution Moving to Node #0,1,2 Current State: 57:[54, 37], Operations: ['78-40=38', '75-38=37'] Exploring Operation: 54*37=1998, Resulting Numbers: [1998] 1998,57 unequal: No Solution Exploring Operation: 54+37=91, Resulting Numbers: [91] 91,57 unequal: No Solution Exploring Operation: 54-37=17, Resulting Numbers: [17] 17,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[75, 92], Operations: ['78-40=38', '54+38=92'] Exploring Operation: 75*92=6900, Resulting Numbers: [6900] 6900,57 unequal: No Solution Exploring Operation: 75+92=167, Resulting Numbers: [167] 167,57 unequal: No Solution Exploring Operation: 92-75=17, Resulting Numbers: [17] 17,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[78, 40, 21], Operations: ['75-54=21'] Exploring Operation: 40+21=61, Resulting Numbers: [78, 61] Generated Node #0,2,0: 57:[78, 61] Operation: 40+21=61 Exploring Operation: 78-40=38, Resulting Numbers: [21, 38] Generated Node #0,2,1: 57:[21, 38] Operation: 78-40=38 Exploring Operation: 78-21=57, Resulting Numbers: [40, 57] Generated Node #0,2,2: 57:[40, 57] Operation: 78-21=57 Exploring Operation: 40-21=19, Resulting Numbers: [78, 19] Generated Node #0,2,3: 57:[78, 19] Operation: 40-21=19 Moving to Node #0,2,2 Current State: 57:[40, 57], Operations: ['75-54=21', '78-21=57'] Exploring Operation: 57-40=17, Resulting Numbers: [17] 17,57 unequal: No Solution Exploring Operation: 40*57=2280, Resulting Numbers: [2280] 2280,57 unequal: No Solution Exploring Operation: 40+57=97, Resulting Numbers: [97] 97,57 unequal: No Solution Moving to Node #0,2,3 Current State: 57:[78, 19], Operations: ['75-54=21', '40-21=19'] Exploring Operation: 78+19=97, Resulting Numbers: [97] 97,57 unequal: No Solution Exploring Operation: 78-19=59, Resulting Numbers: [59] 59,57 unequal: No Solution Exploring Operation: 78*19=1482, Resulting Numbers: [1482] 1482,57 unequal: No Solution Moving to Node #0,2,1 Current State: 57:[21, 38], Operations: ['75-54=21', '78-40=38'] Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,57 unequal: No Solution Exploring Operation: 21*38=798, Resulting Numbers: [798] 798,57 unequal: No Solution Exploring Operation: 21+38=59, Resulting Numbers: [59] 59,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[78, 61], Operations: ['75-54=21', '40+21=61'] Exploring Operation: 78+61=139, Resulting Numbers: [139] 139,57 unequal: No Solution Exploring Operation: 78-61=17, Resulting Numbers: [17] 17,57 unequal: No Solution Exploring Operation: 78*61=4758, Resulting Numbers: [4758] 4758,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 57:[75, 40, 24], Operations: ['78-54=24'] Exploring Operation: 40-24=16, Resulting Numbers: [75, 16] Generated Node #0,3,0: 57:[75, 16] Operation: 40-24=16 Exploring Operation: 75-24=51, Resulting Numbers: [40, 51] Generated Node #0,3,1: 57:[40, 51] Operation: 75-24=51 Exploring Operation: 75-40=35, Resulting Numbers: [24, 35] Generated Node #0,3,2: 57:[24, 35] Operation: 75-40=35 Exploring Operation: 40+24=64, Resulting Numbers: [75, 64] Generated Node #0,3,3: 57:[75, 64] Operation: 40+24=64 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 57:[75, 16], Operations: ['78-54=24', '40-24=16'] Exploring Operation: 75*16=1200, Resulting Numbers: [1200] 1200,57 unequal: No Solution Exploring Operation: 75-16=59, Resulting Numbers: [59] 59,57 unequal: No Solution Exploring Operation: 75+16=91, Resulting Numbers: [91] 91,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 57:[24, 35], Operations: ['78-54=24', '75-40=35'] Exploring Operation: 35-24=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 24+35=59, Resulting Numbers: [59] 59,57 unequal: No Solution Exploring Operation: 24*35=840, Resulting Numbers: [840] 840,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 57:[40, 51], Operations: ['78-54=24', '75-24=51'] Exploring Operation: 40+51=91, Resulting Numbers: [91] 91,57 unequal: No Solution Exploring Operation: 40*51=2040, Resulting Numbers: [2040] 2040,57 unequal: No Solution Exploring Operation: 51-40=11, Resulting Numbers: [11] 11,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 57:[75, 64], Operations: ['78-54=24', '40+24=64'] Exploring Operation: 75-64=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 75+64=139, Resulting Numbers: [139] 139,57 unequal: No Solution Exploring Operation: 75*64=4800, Resulting Numbers: [4800] 4800,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 4, 28, 1, 84 ]
12
[ "28/4=7", "1*84=84", "84/7=12" ]
Current State: 12:[4, 28, 1, 84], Operations: [] Exploring Operation: 28/4=7, Resulting Numbers: [1, 84, 7] Generated Node #2: [1, 84, 7] from Operation: 28/4=7 Current State: 12:[1, 84, 7], Operations: ['28/4=7'] Exploring Operation: 1*84=84, Resulting Numbers: [7, 84] Generated Node #3: [7, 84] from Operation: 1*84=84 Current State: 12:[7, 84], Operations: ['28/4=7', '1*84=84'] Exploring Operation: 84/7=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[4, 28, 1, 84], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [4, 1, 3] Generated Node #0,0: 12:[4, 1, 3] Operation: 84/28=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[4, 1, 3], Operations: ['84/28=3'] Exploring Operation: 4*1=4, Resulting Numbers: [3, 4] Generated Node #0,0,0: 12:[3, 4] Operation: 4*1=4 Moving to Node #0,0,0 Current State: 12:[3, 4], Operations: ['84/28=3', '4*1=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[4, 28, 1, 84], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [4, 1, 3] Generated Node #0,0: 12:[4, 1, 3] Operation: 84/28=3 Moving to Node #0,0 Current State: 12:[4, 1, 3], Operations: ['84/28=3'] Exploring Operation: 4*1=4, Resulting Numbers: [3, 4] Generated Node #0,0,0: 12:[3, 4] Operation: 4*1=4 Moving to Node #0,0,0 Current State: 12:[3, 4], Operations: ['84/28=3', '4*1=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 74, 64, 3, 13 ]
93
[ "74+13=87", "87/3=29", "64+29=93" ]
Current State: 93:[74, 64, 3, 13], Operations: [] Exploring Operation: 74+13=87, Resulting Numbers: [64, 3, 87] Generated Node #2: [64, 3, 87] from Operation: 74+13=87 Current State: 93:[64, 3, 87], Operations: ['74+13=87'] Exploring Operation: 87/3=29, Resulting Numbers: [64, 29] Generated Node #3: [64, 29] from Operation: 87/3=29 Current State: 93:[64, 29], Operations: ['74+13=87', '87/3=29'] Exploring Operation: 64+29=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[74, 64, 3, 13], Operations: [] Exploring Operation: 74-64=10, Resulting Numbers: [3, 13, 10] Generated Node #0,0: 93:[3, 13, 10] Operation: 74-64=10 Exploring Operation: 64-13=51, Resulting Numbers: [74, 3, 51] Generated Node #0,1: 93:[74, 3, 51] Operation: 64-13=51 Exploring Operation: 64+13=77, Resulting Numbers: [74, 3, 77] Generated Node #0,2: 93:[74, 3, 77] Operation: 64+13=77 Exploring Operation: 74+13=87, Resulting Numbers: [64, 3, 87] Generated Node #0,3: 93:[64, 3, 87] Operation: 74+13=87 Exploring Operation: 74+64=138, Resulting Numbers: [3, 13, 138] Generated Node #0,4: 93:[3, 13, 138] Operation: 74+64=138 Moving to Node #0,0 Current State: 93:[3, 13, 10], Operations: ['74-64=10'] Exploring Operation: 13+10=23, Resulting Numbers: [3, 23] Generated Node #0,0,0: 93:[3, 23] Operation: 13+10=23 Exploring Operation: 3*10=30, Resulting Numbers: [13, 30] Generated Node #0,0,1: 93:[13, 30] Operation: 3*10=30 Exploring Operation: 13-10=3, Resulting Numbers: [3, 3] Generated Node #0,0,2: 93:[3, 3] Operation: 13-10=3 Exploring Operation: 13-3=10, Resulting Numbers: [10, 10] Generated Node #0,0,3: 93:[10, 10] Operation: 13-3=10 Exploring Operation: 10-3=7, Resulting Numbers: [13, 7] Generated Node #0,0,4: 93:[13, 7] Operation: 10-3=7 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 93:[3, 3], Operations: ['74-64=10', '13-10=3'] Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,93 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,93 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,93 unequal: No Solution Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,93 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:[3, 23], Operations: ['74-64=10', '13+10=23'] Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,93 unequal: No Solution Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,93 unequal: No Solution Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,93 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:[13, 30], Operations: ['74-64=10', '3*10=30'] Exploring Operation: 13+30=43, Resulting Numbers: [43] 43,93 unequal: No Solution Exploring Operation: 13*30=390, Resulting Numbers: [390] 390,93 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,93 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:[10, 10], Operations: ['74-64=10', '13-3=10'] Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,93 unequal: No Solution Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,93 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,93 unequal: No Solution Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,93 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:[13, 7], Operations: ['74-64=10', '10-3=7'] Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,93 unequal: No Solution Exploring Operation: 13*7=91, Resulting Numbers: [91] 91,93 unequal: No Solution Exploring Operation: 13+7=20, Resulting Numbers: [20] 20,93 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:[64, 3, 87], Operations: ['74+13=87'] Exploring Operation: 3+87=90, Resulting Numbers: [64, 90] Generated Node #0,3,0: 93:[64, 90] Operation: 3+87=90 Exploring Operation: 87-64=23, Resulting Numbers: [3, 23] Generated Node #0,3,1: 93:[3, 23] Operation: 87-64=23 Exploring Operation: 64+3=67, Resulting Numbers: [87, 67] Generated Node #0,3,2: 93:[87, 67] Operation: 64+3=67 Exploring Operation: 64-3=61, Resulting Numbers: [87, 61] Generated Node #0,3,3: 93:[87, 61] Operation: 64-3=61 Exploring Operation: 87/3=29, Resulting Numbers: [64, 29] Generated Node #0,3,4: 93:[64, 29] Operation: 87/3=29 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 93:[3, 23], Operations: ['74+13=87', '87-64=23'] Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,93 unequal: No Solution Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,93 unequal: No Solution Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,93 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 #0,3,4 Current State: 93:[64, 29], Operations: ['74+13=87', '87/3=29'] Exploring Operation: 64-29=35, Resulting Numbers: [35] 35,93 unequal: No Solution Exploring Operation: 64*29=1856, Resulting Numbers: [1856] 1856,93 unequal: No Solution Exploring Operation: 64+29=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[74, 64, 3, 13], Operations: [] Exploring Operation: 74+13=87, Resulting Numbers: [64, 3, 87] Generated Node #0,3: 93:[64, 3, 87] Operation: 74+13=87 Moving to Node #0,3 Current State: 93:[64, 3, 87], Operations: ['74+13=87'] Exploring Operation: 87/3=29, Resulting Numbers: [64, 29] Generated Node #0,3,4: 93:[64, 29] Operation: 87/3=29 Moving to Node #0,3,4 Current State: 93:[64, 29], Operations: ['74+13=87', '87/3=29'] Exploring Operation: 64+29=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.963542
hs_5
sum_heuristic
[ 2, 1, 40, 11 ]
29
[ "2-1=1", "40-11=29", "1*29=29" ]
Current State: 29:[2, 1, 40, 11], Operations: [] Exploring Operation: 2-1=1, Resulting Numbers: [40, 11, 1] Generated Node #2: [40, 11, 1] from Operation: 2-1=1 Current State: 29:[40, 11, 1], Operations: ['2-1=1'] Exploring Operation: 40-11=29, Resulting Numbers: [1, 29] Generated Node #3: [1, 29] from Operation: 40-11=29 Current State: 29:[1, 29], Operations: ['2-1=1', '40-11=29'] Exploring Operation: 1*29=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[2, 1, 40, 11], Operations: [] Exploring Operation: 2+1=3, Resulting Numbers: [40, 11, 3] Generated Node #0,0: 29:[40, 11, 3] Operation: 2+1=3 Exploring Operation: 40-2=38, Resulting Numbers: [1, 11, 38] Generated Node #0,1: 29:[1, 11, 38] Operation: 40-2=38 Exploring Operation: 40/2=20, Resulting Numbers: [1, 11, 20] Generated Node #0,2: 29:[1, 11, 20] Operation: 40/2=20 Exploring Operation: 2*11=22, Resulting Numbers: [1, 40, 22] Generated Node #0,3: 29:[1, 40, 22] Operation: 2*11=22 Start Sub Search at level 1: Moving to Node #0,3 Current State: 29:[1, 40, 22], Operations: ['2*11=22'] Exploring Operation: 1+22=23, Resulting Numbers: [40, 23] Generated Node #0,3,0: 29:[40, 23] Operation: 1+22=23 Exploring Operation: 1*40=40, Resulting Numbers: [22, 40] Generated Node #0,3,1: 29:[22, 40] Operation: 1*40=40 Exploring Operation: 40/1=40, Resulting Numbers: [22, 40] Generated Node #0,3,2: 29:[22, 40] Operation: 40/1=40 Exploring Operation: 40-1=39, Resulting Numbers: [22, 39] Generated Node #0,3,3: 29:[22, 39] Operation: 40-1=39 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 29:[40, 23], Operations: ['2*11=22', '1+22=23'] Exploring Operation: 40*23=920, Resulting Numbers: [920] 920,29 unequal: No Solution Exploring Operation: 40-23=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 40+23=63, Resulting Numbers: [63] 63,29 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: 29:[22, 39], Operations: ['2*11=22', '40-1=39'] Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 22+39=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 22*39=858, Resulting Numbers: [858] 858,29 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: 29:[22, 40], Operations: ['2*11=22', '1*40=40'] Exploring Operation: 22+40=62, Resulting Numbers: [62] 62,29 unequal: No Solution Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,29 unequal: No Solution Exploring Operation: 22*40=880, Resulting Numbers: [880] 880,29 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: 29:[22, 40], Operations: ['2*11=22', '40/1=40'] Exploring Operation: 22*40=880, Resulting Numbers: [880] 880,29 unequal: No Solution Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,29 unequal: No Solution Exploring Operation: 22+40=62, Resulting Numbers: [62] 62,29 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: 29:[40, 11, 3], Operations: ['2+1=3'] Exploring Operation: 40-11=29, Resulting Numbers: [3, 29] Generated Node #0,0,0: 29:[3, 29] Operation: 40-11=29 Exploring Operation: 11+3=14, Resulting Numbers: [40, 14] Generated Node #0,0,1: 29:[40, 14] Operation: 11+3=14 Exploring Operation: 40-3=37, Resulting Numbers: [11, 37] Generated Node #0,0,2: 29:[11, 37] Operation: 40-3=37 Exploring Operation: 11*3=33, Resulting Numbers: [40, 33] Generated Node #0,0,3: 29:[40, 33] Operation: 11*3=33 Moving to Node #0,0,3 Current State: 29:[40, 33], Operations: ['2+1=3', '11*3=33'] Exploring Operation: 40+33=73, Resulting Numbers: [73] 73,29 unequal: No Solution Exploring Operation: 40*33=1320, Resulting Numbers: [1320] 1320,29 unequal: No Solution Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[40, 14], Operations: ['2+1=3', '11+3=14'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 40*14=560, Resulting Numbers: [560] 560,29 unequal: No Solution Exploring Operation: 40+14=54, Resulting Numbers: [54] 54,29 unequal: No Solution Moving to Node #0,0,0 Current State: 29:[3, 29], Operations: ['2+1=3', '40-11=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,29 unequal: No Solution Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,29 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[11, 37], Operations: ['2+1=3', '40-3=37'] Exploring Operation: 11*37=407, Resulting Numbers: [407] 407,29 unequal: No Solution Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 11+37=48, Resulting Numbers: [48] 48,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[1, 11, 38], Operations: ['40-2=38'] Exploring Operation: 38-1=37, Resulting Numbers: [11, 37] Generated Node #0,1,0: 29:[11, 37] Operation: 38-1=37 Exploring Operation: 1+11=12, Resulting Numbers: [38, 12] Generated Node #0,1,1: 29:[38, 12] Operation: 1+11=12 Exploring Operation: 11/1=11, Resulting Numbers: [38, 11] Generated Node #0,1,2: 29:[38, 11] Operation: 11/1=11 Exploring Operation: 1*11=11, Resulting Numbers: [38, 11] Generated Node #0,1,3: 29:[38, 11] Operation: 1*11=11 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 29:[11, 37], Operations: ['40-2=38', '38-1=37'] Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 11*37=407, Resulting Numbers: [407] 407,29 unequal: No Solution Exploring Operation: 11+37=48, Resulting Numbers: [48] 48,29 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: 29:[38, 12], Operations: ['40-2=38', '1+11=12'] Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,29 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: 29:[38, 11], Operations: ['40-2=38', '11/1=11'] Exploring Operation: 38+11=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 38*11=418, Resulting Numbers: [418] 418,29 unequal: No Solution Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,29 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: 29:[38, 11], Operations: ['40-2=38', '1*11=11'] Exploring Operation: 38+11=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 38*11=418, Resulting Numbers: [418] 418,29 unequal: No Solution Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,29 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: 29:[1, 11, 20], Operations: ['40/2=20'] Exploring Operation: 1+20=21, Resulting Numbers: [11, 21] Generated Node #0,2,0: 29:[11, 21] Operation: 1+20=21 Exploring Operation: 1+11=12, Resulting Numbers: [20, 12] Generated Node #0,2,1: 29:[20, 12] Operation: 1+11=12 Exploring Operation: 11/1=11, Resulting Numbers: [20, 11] Generated Node #0,2,2: 29:[20, 11] Operation: 11/1=11 Exploring Operation: 1*11=11, Resulting Numbers: [20, 11] Generated Node #0,2,3: 29:[20, 11] Operation: 1*11=11 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 29:[11, 21], Operations: ['40/2=20', '1+20=21'] Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,29 unequal: No Solution Exploring Operation: 11*21=231, Resulting Numbers: [231] 231,29 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,29 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: 29:[20, 12], Operations: ['40/2=20', '1+11=12'] Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,29 unequal: No Solution Exploring Operation: 20+12=32, Resulting Numbers: [32] 32,29 unequal: No Solution Exploring Operation: 20*12=240, Resulting Numbers: [240] 240,29 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: 29:[20, 11], Operations: ['40/2=20', '11/1=11'] Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,29 unequal: No Solution Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,29 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,29 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: 29:[20, 11], Operations: ['40/2=20', '1*11=11'] Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,29 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,29 unequal: No Solution Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,29 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
sum_heuristic
[ 4, 39, 61, 9 ]
15
[ "4+61=65", "9*65=585", "585/39=15" ]
Current State: 15:[4, 39, 61, 9], Operations: [] Exploring Operation: 4+61=65, Resulting Numbers: [39, 9, 65] Generated Node #2: [39, 9, 65] from Operation: 4+61=65 Current State: 15:[39, 9, 65], Operations: ['4+61=65'] Exploring Operation: 9*65=585, Resulting Numbers: [39, 585] Generated Node #3: [39, 585] from Operation: 9*65=585 Current State: 15:[39, 585], Operations: ['4+61=65', '9*65=585'] Exploring Operation: 585/39=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[4, 39, 61, 9], Operations: [] Exploring Operation: 61-39=22, Resulting Numbers: [4, 9, 22] Generated Node #0,0: 15:[4, 9, 22] Operation: 61-39=22 Exploring Operation: 39-9=30, Resulting Numbers: [4, 61, 30] Generated Node #0,1: 15:[4, 61, 30] Operation: 39-9=30 Exploring Operation: 61-9=52, Resulting Numbers: [4, 39, 52] Generated Node #0,2: 15:[4, 39, 52] Operation: 61-9=52 Moving to Node #0,0 Current State: 15:[4, 9, 22], Operations: ['61-39=22'] Exploring Operation: 22-4=18, Resulting Numbers: [9, 18] Generated Node #0,0,0: 15:[9, 18] Operation: 22-4=18 Exploring Operation: 9-4=5, Resulting Numbers: [22, 5] Generated Node #0,0,1: 15:[22, 5] Operation: 9-4=5 Exploring Operation: 22-9=13, Resulting Numbers: [4, 13] Generated Node #0,0,2: 15:[4, 13] Operation: 22-9=13 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 15:[4, 13], Operations: ['61-39=22', '22-9=13'] Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,15 unequal: No Solution Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,15 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[9, 18], Operations: ['61-39=22', '22-4=18'] Exploring Operation: 9+18=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 15:[22, 5], Operations: ['61-39=22', '9-4=5'] Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,15 unequal: No Solution Exploring Operation: 22*5=110, Resulting Numbers: [110] 110,15 unequal: No Solution Exploring Operation: 22+5=27, Resulting Numbers: [27] 27,15 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: 15:[4, 61, 30], Operations: ['39-9=30'] Exploring Operation: 61-30=31, Resulting Numbers: [4, 31] Generated Node #0,1,0: 15:[4, 31] Operation: 61-30=31 Exploring Operation: 61-4=57, Resulting Numbers: [30, 57] Generated Node #0,1,1: 15:[30, 57] Operation: 61-4=57 Exploring Operation: 30-4=26, Resulting Numbers: [61, 26] Generated Node #0,1,2: 15:[61, 26] Operation: 30-4=26 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 15:[4, 31], Operations: ['39-9=30', '61-30=31'] Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 4*31=124, Resulting Numbers: [124] 124,15 unequal: No Solution Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 15:[30, 57], Operations: ['39-9=30', '61-4=57'] Exploring Operation: 30*57=1710, Resulting Numbers: [1710] 1710,15 unequal: No Solution Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 30+57=87, Resulting Numbers: [87] 87,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 15:[61, 26], Operations: ['39-9=30', '30-4=26'] Exploring Operation: 61*26=1586, Resulting Numbers: [1586] 1586,15 unequal: No Solution Exploring Operation: 61+26=87, Resulting Numbers: [87] 87,15 unequal: No Solution Exploring Operation: 61-26=35, Resulting Numbers: [35] 35,15 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: 15:[4, 39, 52], Operations: ['61-9=52'] Exploring Operation: 52/4=13, Resulting Numbers: [39, 13] Generated Node #0,2,0: 15:[39, 13] Operation: 52/4=13 Exploring Operation: 39-4=35, Resulting Numbers: [52, 35] Generated Node #0,2,1: 15:[52, 35] Operation: 39-4=35 Exploring Operation: 52-39=13, Resulting Numbers: [4, 13] Generated Node #0,2,2: 15:[4, 13] Operation: 52-39=13 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 15:[4, 13], Operations: ['61-9=52', '52-39=13'] Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,15 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 15:[39, 13], Operations: ['61-9=52', '52/4=13'] Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,15 unequal: No Solution Exploring Operation: 39+13=52, Resulting Numbers: [52] 52,15 unequal: No Solution Exploring Operation: 39/13=3, Resulting Numbers: [3] 3,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 15:[52, 35], Operations: ['61-9=52', '39-4=35'] Exploring Operation: 52*35=1820, Resulting Numbers: [1820] 1820,15 unequal: No Solution Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,15 unequal: No Solution Exploring Operation: 52+35=87, Resulting Numbers: [87] 87,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 94, 6, 60, 74 ]
18
[ "94-60=34", "74+34=108", "108/6=18" ]
Current State: 18:[94, 6, 60, 74], Operations: [] Exploring Operation: 94-60=34, Resulting Numbers: [6, 74, 34] Generated Node #2: [6, 74, 34] from Operation: 94-60=34 Current State: 18:[6, 74, 34], Operations: ['94-60=34'] Exploring Operation: 74+34=108, Resulting Numbers: [6, 108] Generated Node #3: [6, 108] from Operation: 74+34=108 Current State: 18:[6, 108], Operations: ['94-60=34', '74+34=108'] Exploring Operation: 108/6=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[94, 6, 60, 74], Operations: [] Exploring Operation: 60/6=10, Resulting Numbers: [94, 74, 10] Generated Node #0,0: 18:[94, 74, 10] Operation: 60/6=10 Exploring Operation: 94-60=34, Resulting Numbers: [6, 74, 34] Generated Node #0,1: 18:[6, 74, 34] Operation: 94-60=34 Exploring Operation: 74-60=14, Resulting Numbers: [94, 6, 14] Generated Node #0,2: 18:[94, 6, 14] Operation: 74-60=14 Exploring Operation: 94-6=88, Resulting Numbers: [60, 74, 88] Generated Node #0,3: 18:[60, 74, 88] Operation: 94-6=88 Exploring Operation: 94-74=20, Resulting Numbers: [6, 60, 20] Generated Node #0,4: 18:[6, 60, 20] Operation: 94-74=20 Start Sub Search at level 1: Moving to Node #0,4 Current State: 18:[6, 60, 20], Operations: ['94-74=20'] Exploring Operation: 60/6=10, Resulting Numbers: [20, 10] Generated Node #0,4,0: 18:[20, 10] Operation: 60/6=10 Exploring Operation: 60-20=40, Resulting Numbers: [6, 40] Generated Node #0,4,1: 18:[6, 40] Operation: 60-20=40 Exploring Operation: 60-6=54, Resulting Numbers: [20, 54] Generated Node #0,4,2: 18:[20, 54] Operation: 60-6=54 Exploring Operation: 60/20=3, Resulting Numbers: [6, 3] Generated Node #0,4,3: 18:[6, 3] Operation: 60/20=3 Exploring Operation: 20-6=14, Resulting Numbers: [60, 14] Generated Node #0,4,4: 18:[60, 14] Operation: 20-6=14 Moving to Node #0,4,3 Current State: 18:[6, 3], Operations: ['94-74=20', '60/20=3'] Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,18 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,18 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[94, 6, 60, 74], Operations: [] Exploring Operation: 94-74=20, Resulting Numbers: [6, 60, 20] Generated Node #0,4: 18:[6, 60, 20] Operation: 94-74=20 Moving to Node #0,4 Current State: 18:[6, 60, 20], Operations: ['94-74=20'] Exploring Operation: 60/20=3, Resulting Numbers: [6, 3] Generated Node #0,4,3: 18:[6, 3] Operation: 60/20=3 Moving to Node #0,4,3 Current State: 18:[6, 3], Operations: ['94-74=20', '60/20=3'] Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 91, 47, 94, 30 ]
20
[ "91-47=44", "94-30=64", "64-44=20" ]
Current State: 20:[91, 47, 94, 30], Operations: [] Exploring Operation: 91-47=44, Resulting Numbers: [94, 30, 44] Generated Node #2: [94, 30, 44] from Operation: 91-47=44 Current State: 20:[94, 30, 44], Operations: ['91-47=44'] Exploring Operation: 94-30=64, Resulting Numbers: [44, 64] Generated Node #3: [44, 64] from Operation: 94-30=64 Current State: 20:[44, 64], Operations: ['91-47=44', '94-30=64'] Exploring Operation: 64-44=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[91, 47, 94, 30], Operations: [] Exploring Operation: 94-91=3, Resulting Numbers: [47, 30, 3] Generated Node #0,0: 20:[47, 30, 3] Operation: 94-91=3 Exploring Operation: 94/47=2, Resulting Numbers: [91, 30, 2] Generated Node #0,1: 20:[91, 30, 2] Operation: 94/47=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[47, 30, 3], Operations: ['94-91=3'] Exploring Operation: 47-30=17, Resulting Numbers: [3, 17] Generated Node #0,0,0: 20:[3, 17] Operation: 47-30=17 Exploring Operation: 30/3=10, Resulting Numbers: [47, 10] Generated Node #0,0,1: 20:[47, 10] Operation: 30/3=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[3, 17], Operations: ['94-91=3', '47-30=17'] Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[91, 47, 94, 30], Operations: [] Exploring Operation: 94-91=3, Resulting Numbers: [47, 30, 3] Generated Node #0,0: 20:[47, 30, 3] Operation: 94-91=3 Moving to Node #0,0 Current State: 20:[47, 30, 3], Operations: ['94-91=3'] Exploring Operation: 47-30=17, Resulting Numbers: [3, 17] Generated Node #0,0,0: 20:[3, 17] Operation: 47-30=17 Moving to Node #0,0,0 Current State: 20:[3, 17], Operations: ['94-91=3', '47-30=17'] Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 76, 64, 98, 27 ]
59
[ "76-64=12", "98-27=71", "71-12=59" ]
Current State: 59:[76, 64, 98, 27], Operations: [] Exploring Operation: 76-64=12, Resulting Numbers: [98, 27, 12] Generated Node #2: [98, 27, 12] from Operation: 76-64=12 Current State: 59:[98, 27, 12], Operations: ['76-64=12'] Exploring Operation: 98-27=71, Resulting Numbers: [12, 71] Generated Node #3: [12, 71] from Operation: 98-27=71 Current State: 59:[12, 71], Operations: ['76-64=12', '98-27=71'] Exploring Operation: 71-12=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[76, 64, 98, 27], Operations: [] Exploring Operation: 98-76=22, Resulting Numbers: [64, 27, 22] Generated Node #0,0: 59:[64, 27, 22] Operation: 98-76=22 Exploring Operation: 76-27=49, Resulting Numbers: [64, 98, 49] Generated Node #0,1: 59:[64, 98, 49] Operation: 76-27=49 Exploring Operation: 98-27=71, Resulting Numbers: [76, 64, 71] Generated Node #0,2: 59:[76, 64, 71] Operation: 98-27=71 Moving to Node #0,2 Current State: 59:[76, 64, 71], Operations: ['98-27=71'] Exploring Operation: 76-64=12, Resulting Numbers: [71, 12] Generated Node #0,2,0: 59:[71, 12] Operation: 76-64=12 Exploring Operation: 76-71=5, Resulting Numbers: [64, 5] Generated Node #0,2,1: 59:[64, 5] Operation: 76-71=5 Exploring Operation: 71-64=7, Resulting Numbers: [76, 7] Generated Node #0,2,2: 59:[76, 7] Operation: 71-64=7 Moving to Node #0,1 Current State: 59:[64, 98, 49], Operations: ['76-27=49'] Exploring Operation: 98-49=49, Resulting Numbers: [64, 49] Generated Node #0,1,0: 59:[64, 49] Operation: 98-49=49 Exploring Operation: 98-64=34, Resulting Numbers: [49, 34] Generated Node #0,1,1: 59:[49, 34] Operation: 98-64=34 Exploring Operation: 98/49=2, Resulting Numbers: [64, 2] Generated Node #0,1,2: 59:[64, 2] Operation: 98/49=2 Moving to Node #0,0 Current State: 59:[64, 27, 22], Operations: ['98-76=22'] Exploring Operation: 27+22=49, Resulting Numbers: [64, 49] Generated Node #0,0,0: 59:[64, 49] Operation: 27+22=49 Exploring Operation: 64-27=37, Resulting Numbers: [22, 37] Generated Node #0,0,1: 59:[22, 37] Operation: 64-27=37 Exploring Operation: 64-22=42, Resulting Numbers: [27, 42] Generated Node #0,0,2: 59:[27, 42] Operation: 64-22=42 Moving to Node #0,1,0 Current State: 59:[64, 49], Operations: ['76-27=49', '98-49=49'] Exploring Operation: 64*49=3136, Resulting Numbers: [3136] 3136,59 unequal: No Solution Exploring Operation: 64+49=113, Resulting Numbers: [113] 113,59 unequal: No Solution Exploring Operation: 64-49=15, Resulting Numbers: [15] 15,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[64, 49], Operations: ['98-76=22', '27+22=49'] Exploring Operation: 64+49=113, Resulting Numbers: [113] 113,59 unequal: No Solution Exploring Operation: 64-49=15, Resulting Numbers: [15] 15,59 unequal: No Solution Exploring Operation: 64*49=3136, Resulting Numbers: [3136] 3136,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[49, 34], Operations: ['76-27=49', '98-64=34'] Exploring Operation: 49-34=15, Resulting Numbers: [15] 15,59 unequal: No Solution Exploring Operation: 49+34=83, Resulting Numbers: [83] 83,59 unequal: No Solution Exploring Operation: 49*34=1666, Resulting Numbers: [1666] 1666,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[27, 42], Operations: ['98-76=22', '64-22=42'] Exploring Operation: 42-27=15, Resulting Numbers: [15] 15,59 unequal: No Solution Exploring Operation: 27*42=1134, Resulting Numbers: [1134] 1134,59 unequal: No Solution Exploring Operation: 27+42=69, Resulting Numbers: [69] 69,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[22, 37], Operations: ['98-76=22', '64-27=37'] Exploring Operation: 22+37=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[76, 64, 98, 27], Operations: [] Exploring Operation: 98-76=22, Resulting Numbers: [64, 27, 22] Generated Node #0,0: 59:[64, 27, 22] Operation: 98-76=22 Moving to Node #0,0 Current State: 59:[64, 27, 22], Operations: ['98-76=22'] Exploring Operation: 64-27=37, Resulting Numbers: [22, 37] Generated Node #0,0,1: 59:[22, 37] Operation: 64-27=37 Moving to Node #0,0,1 Current State: 59:[22, 37], Operations: ['98-76=22', '64-27=37'] Exploring Operation: 22+37=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
0.974826
hs_3
sum_heuristic
[ 43, 2, 90, 7 ]
81
[ "43-7=36", "90/2=45", "36+45=81" ]
Current State: 81:[43, 2, 90, 7], Operations: [] Exploring Operation: 43-7=36, Resulting Numbers: [2, 90, 36] Generated Node #2: [2, 90, 36] from Operation: 43-7=36 Current State: 81:[2, 90, 36], Operations: ['43-7=36'] Exploring Operation: 90/2=45, Resulting Numbers: [36, 45] Generated Node #3: [36, 45] from Operation: 90/2=45 Current State: 81:[36, 45], Operations: ['43-7=36', '90/2=45'] Exploring Operation: 36+45=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[43, 2, 90, 7], Operations: [] Exploring Operation: 90-43=47, Resulting Numbers: [2, 7, 47] Generated Node #0,0: 81:[2, 7, 47] Operation: 90-43=47 Exploring Operation: 43-7=36, Resulting Numbers: [2, 90, 36] Generated Node #0,1: 81:[2, 90, 36] Operation: 43-7=36 Exploring Operation: 43*2=86, Resulting Numbers: [90, 7, 86] Generated Node #0,2: 81:[90, 7, 86] Operation: 43*2=86 Exploring Operation: 90-7=83, Resulting Numbers: [43, 2, 83] Generated Node #0,3: 81:[43, 2, 83] Operation: 90-7=83 Start Sub Search at level 1: Moving to Node #0,2 Current State: 81:[90, 7, 86], Operations: ['43*2=86'] Exploring Operation: 90+7=97, Resulting Numbers: [86, 97] Generated Node #0,2,0: 81:[86, 97] Operation: 90+7=97 Exploring Operation: 90-86=4, Resulting Numbers: [7, 4] Generated Node #0,2,1: 81:[7, 4] Operation: 90-86=4 Exploring Operation: 90-7=83, Resulting Numbers: [86, 83] Generated Node #0,2,2: 81:[86, 83] Operation: 90-7=83 Exploring Operation: 86-7=79, Resulting Numbers: [90, 79] Generated Node #0,2,3: 81:[90, 79] Operation: 86-7=79 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 81:[7, 4], Operations: ['43*2=86', '90-86=4'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,81 unequal: No Solution Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 81:[86, 83], Operations: ['43*2=86', '90-7=83'] Exploring Operation: 86-83=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 86+83=169, Resulting Numbers: [169] 169,81 unequal: No Solution Exploring Operation: 86*83=7138, Resulting Numbers: [7138] 7138,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 81:[90, 79], Operations: ['43*2=86', '86-7=79'] Exploring Operation: 90-79=11, Resulting Numbers: [11] 11,81 unequal: No Solution Exploring Operation: 90+79=169, Resulting Numbers: [169] 169,81 unequal: No Solution Exploring Operation: 90*79=7110, Resulting Numbers: [7110] 7110,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 81:[86, 97], Operations: ['43*2=86', '90+7=97'] Exploring Operation: 86*97=8342, Resulting Numbers: [8342] 8342,81 unequal: No Solution Exploring Operation: 86+97=183, Resulting Numbers: [183] 183,81 unequal: No Solution Exploring Operation: 97-86=11, Resulting Numbers: [11] 11,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[2, 90, 36], Operations: ['43-7=36'] Exploring Operation: 90-2=88, Resulting Numbers: [36, 88] Generated Node #0,1,0: 81:[36, 88] Operation: 90-2=88 Exploring Operation: 36/2=18, Resulting Numbers: [90, 18] Generated Node #0,1,1: 81:[90, 18] Operation: 36/2=18 Exploring Operation: 2*36=72, Resulting Numbers: [90, 72] Generated Node #0,1,2: 81:[90, 72] Operation: 2*36=72 Exploring Operation: 36-2=34, Resulting Numbers: [90, 34] Generated Node #0,1,3: 81:[90, 34] Operation: 36-2=34 Moving to Node #0,1,0 Current State: 81:[36, 88], Operations: ['43-7=36', '90-2=88'] Exploring Operation: 36*88=3168, Resulting Numbers: [3168] 3168,81 unequal: No Solution Exploring Operation: 88-36=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 36+88=124, Resulting Numbers: [124] 124,81 unequal: No Solution Moving to Node #0,1,3 Current State: 81:[90, 34], Operations: ['43-7=36', '36-2=34'] Exploring Operation: 90+34=124, Resulting Numbers: [124] 124,81 unequal: No Solution Exploring Operation: 90-34=56, Resulting Numbers: [56] 56,81 unequal: No Solution Exploring Operation: 90*34=3060, Resulting Numbers: [3060] 3060,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[90, 72], Operations: ['43-7=36', '2*36=72'] Exploring Operation: 90+72=162, Resulting Numbers: [162] 162,81 unequal: No Solution Exploring Operation: 90-72=18, Resulting Numbers: [18] 18,81 unequal: No Solution Exploring Operation: 90*72=6480, Resulting Numbers: [6480] 6480,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[90, 18], Operations: ['43-7=36', '36/2=18'] Exploring Operation: 90*18=1620, Resulting Numbers: [1620] 1620,81 unequal: No Solution Exploring Operation: 90/18=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 90-18=72, Resulting Numbers: [72] 72,81 unequal: No Solution Exploring Operation: 90+18=108, Resulting Numbers: [108] 108,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 81:[43, 2, 83], Operations: ['90-7=83'] Exploring Operation: 83-43=40, Resulting Numbers: [2, 40] Generated Node #0,3,0: 81:[2, 40] Operation: 83-43=40 Exploring Operation: 43*2=86, Resulting Numbers: [83, 86] Generated Node #0,3,1: 81:[83, 86] Operation: 43*2=86 Exploring Operation: 83-2=81, Resulting Numbers: [43, 81] Generated Node #0,3,2: 81:[43, 81] Operation: 83-2=81 Exploring Operation: 43-2=41, Resulting Numbers: [83, 41] Generated Node #0,3,3: 81:[83, 41] Operation: 43-2=41 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 81:[83, 86], Operations: ['90-7=83', '43*2=86'] Exploring Operation: 86-83=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 83+86=169, Resulting Numbers: [169] 169,81 unequal: No Solution Exploring Operation: 83*86=7138, Resulting Numbers: [7138] 7138,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 81:[2, 40], Operations: ['90-7=83', '83-43=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,81 unequal: No Solution Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,81 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,81 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 81:[43, 81], Operations: ['90-7=83', '83-2=81'] Exploring Operation: 43+81=124, Resulting Numbers: [124] 124,81 unequal: No Solution Exploring Operation: 43*81=3483, Resulting Numbers: [3483] 3483,81 unequal: No Solution Exploring Operation: 81-43=38, Resulting Numbers: [38] 38,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 81:[83, 41], Operations: ['90-7=83', '43-2=41'] Exploring Operation: 83-41=42, Resulting Numbers: [42] 42,81 unequal: No Solution Exploring Operation: 83+41=124, Resulting Numbers: [124] 124,81 unequal: No Solution Exploring Operation: 83*41=3403, Resulting Numbers: [3403] 3403,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[2, 7, 47], Operations: ['90-43=47'] Exploring Operation: 2*47=94, Resulting Numbers: [7, 94] Generated Node #0,0,0: 81:[7, 94] Operation: 2*47=94 Exploring Operation: 2+7=9, Resulting Numbers: [47, 9] Generated Node #0,0,1: 81:[47, 9] Operation: 2+7=9 Exploring Operation: 47-7=40, Resulting Numbers: [2, 40] Generated Node #0,0,2: 81:[2, 40] Operation: 47-7=40 Exploring Operation: 47-2=45, Resulting Numbers: [7, 45] Generated Node #0,0,3: 81:[7, 45] Operation: 47-2=45 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 81:[2, 40], Operations: ['90-43=47', '47-7=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,81 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,81 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[7, 94], Operations: ['90-43=47', '2*47=94'] Exploring Operation: 7+94=101, Resulting Numbers: [101] 101,81 unequal: No Solution Exploring Operation: 7*94=658, Resulting Numbers: [658] 658,81 unequal: No Solution Exploring Operation: 94-7=87, Resulting Numbers: [87] 87,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 81:[47, 9], Operations: ['90-43=47', '2+7=9'] Exploring Operation: 47+9=56, Resulting Numbers: [56] 56,81 unequal: No Solution Exploring Operation: 47*9=423, Resulting Numbers: [423] 423,81 unequal: No Solution Exploring Operation: 47-9=38, Resulting Numbers: [38] 38,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 81:[7, 45], Operations: ['90-43=47', '47-2=45'] Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 7*45=315, Resulting Numbers: [315] 315,81 unequal: No Solution Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 41, 48, 24, 75 ]
93
[ "48-41=7", "24*7=168", "168-75=93" ]
Current State: 93:[41, 48, 24, 75], Operations: [] Exploring Operation: 48-41=7, Resulting Numbers: [24, 75, 7] Generated Node #2: [24, 75, 7] from Operation: 48-41=7 Current State: 93:[24, 75, 7], Operations: ['48-41=7'] Exploring Operation: 24*7=168, Resulting Numbers: [75, 168] Generated Node #3: [75, 168] from Operation: 24*7=168 Current State: 93:[75, 168], Operations: ['48-41=7', '24*7=168'] Exploring Operation: 168-75=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[41, 48, 24, 75], Operations: [] Exploring Operation: 75-48=27, Resulting Numbers: [41, 24, 27] Generated Node #0,0: 93:[41, 24, 27] Operation: 75-48=27 Exploring Operation: 41+48=89, Resulting Numbers: [24, 75, 89] Generated Node #0,1: 93:[24, 75, 89] Operation: 41+48=89 Exploring Operation: 75-41=34, Resulting Numbers: [48, 24, 34] Generated Node #0,2: 93:[48, 24, 34] Operation: 75-41=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[41, 24, 27], Operations: ['75-48=27'] Exploring Operation: 41-24=17, Resulting Numbers: [27, 17] Generated Node #0,0,0: 93:[27, 17] Operation: 41-24=17 Exploring Operation: 41-27=14, Resulting Numbers: [24, 14] Generated Node #0,0,1: 93:[24, 14] Operation: 41-27=14 Exploring Operation: 27-24=3, Resulting Numbers: [41, 3] Generated Node #0,0,2: 93:[41, 3] Operation: 27-24=3 Moving to Node #0,0,2 Current State: 93:[41, 3], Operations: ['75-48=27', '27-24=3'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,93 unequal: No Solution Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,93 unequal: No Solution Exploring Operation: 41*3=123, Resulting Numbers: [123] 123,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[27, 17], Operations: ['75-48=27', '41-24=17'] Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,93 unequal: No Solution Exploring Operation: 27*17=459, Resulting Numbers: [459] 459,93 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[24, 14], Operations: ['75-48=27', '41-27=14'] Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,93 unequal: No Solution Exploring Operation: 24+14=38, Resulting Numbers: [38] 38,93 unequal: No Solution Exploring Operation: 24*14=336, Resulting Numbers: [336] 336,93 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 Current State: 93:[48, 24, 34], Operations: ['75-41=34'] Exploring Operation: 48/24=2, Resulting Numbers: [34, 2] Generated Node #0,2,0: 93:[34, 2] Operation: 48/24=2 Exploring Operation: 48+34=82, Resulting Numbers: [24, 82] Generated Node #0,2,1: 93:[24, 82] Operation: 48+34=82 Exploring Operation: 48-24=24, Resulting Numbers: [34, 24] Generated Node #0,2,2: 93:[34, 24] Operation: 48-24=24 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 93:[34, 2], Operations: ['75-41=34', '48/24=2'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,93 unequal: No Solution Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,93 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: 93:[34, 24], Operations: ['75-41=34', '48-24=24'] Exploring Operation: 34+24=58, Resulting Numbers: [58] 58,93 unequal: No Solution Exploring Operation: 34*24=816, Resulting Numbers: [816] 816,93 unequal: No Solution Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,93 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: 93:[24, 82], Operations: ['75-41=34', '48+34=82'] Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,93 unequal: No Solution Exploring Operation: 24*82=1968, Resulting Numbers: [1968] 1968,93 unequal: No Solution Exploring Operation: 24+82=106, Resulting Numbers: [106] 106,93 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: 93:[24, 75, 89], Operations: ['41+48=89'] Exploring Operation: 24+75=99, Resulting Numbers: [89, 99] Generated Node #0,1,0: 93:[89, 99] Operation: 24+75=99 Exploring Operation: 75-24=51, Resulting Numbers: [89, 51] Generated Node #0,1,1: 93:[89, 51] Operation: 75-24=51 Exploring Operation: 89-75=14, Resulting Numbers: [24, 14] Generated Node #0,1,2: 93:[24, 14] Operation: 89-75=14 Moving to Node #0,1,0 Current State: 93:[89, 99], Operations: ['41+48=89', '24+75=99'] Exploring Operation: 89*99=8811, Resulting Numbers: [8811] 8811,93 unequal: No Solution Exploring Operation: 89+99=188, Resulting Numbers: [188] 188,93 unequal: No Solution Exploring Operation: 99-89=10, Resulting Numbers: [10] 10,93 unequal: No Solution Moving to Node #0,1,2 Current State: 93:[24, 14], Operations: ['41+48=89', '89-75=14'] Exploring Operation: 24*14=336, Resulting Numbers: [336] 336,93 unequal: No Solution Exploring Operation: 24+14=38, Resulting Numbers: [38] 38,93 unequal: No Solution Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[89, 51], Operations: ['41+48=89', '75-24=51'] Exploring Operation: 89-51=38, Resulting Numbers: [38] 38,93 unequal: No Solution Exploring Operation: 89+51=140, Resulting Numbers: [140] 140,93 unequal: No Solution Exploring Operation: 89*51=4539, Resulting Numbers: [4539] 4539,93 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
[ 65, 53, 96, 97 ]
13
[ "65-53=12", "97-96=1", "12+1=13" ]
Current State: 13:[65, 53, 96, 97], Operations: [] Exploring Operation: 65-53=12, Resulting Numbers: [96, 97, 12] Generated Node #2: [96, 97, 12] from Operation: 65-53=12 Current State: 13:[96, 97, 12], Operations: ['65-53=12'] Exploring Operation: 97-96=1, Resulting Numbers: [12, 1] Generated Node #3: [12, 1] from Operation: 97-96=1 Current State: 13:[12, 1], Operations: ['65-53=12', '97-96=1'] Exploring Operation: 12+1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[65, 53, 96, 97], Operations: [] Exploring Operation: 96-53=43, Resulting Numbers: [65, 97, 43] Generated Node #0,0: 13:[65, 97, 43] Operation: 96-53=43 Exploring Operation: 97-65=32, Resulting Numbers: [53, 96, 32] Generated Node #0,1: 13:[53, 96, 32] Operation: 97-65=32 Exploring Operation: 97-96=1, Resulting Numbers: [65, 53, 1] Generated Node #0,2: 13:[65, 53, 1] Operation: 97-96=1 Exploring Operation: 96-65=31, Resulting Numbers: [53, 97, 31] Generated Node #0,3: 13:[53, 97, 31] Operation: 96-65=31 Moving to Node #0,2 Current State: 13:[65, 53, 1], Operations: ['97-96=1'] Exploring Operation: 53-1=52, Resulting Numbers: [65, 52] Generated Node #0,2,0: 13:[65, 52] Operation: 53-1=52 Exploring Operation: 65*1=65, Resulting Numbers: [53, 65] Generated Node #0,2,1: 13:[53, 65] Operation: 65*1=65 Exploring Operation: 65-1=64, Resulting Numbers: [53, 64] Generated Node #0,2,2: 13:[53, 64] Operation: 65-1=64 Exploring Operation: 65-53=12, Resulting Numbers: [1, 12] Generated Node #0,2,3: 13:[1, 12] Operation: 65-53=12 Moving to Node #0,3 Current State: 13:[53, 97, 31], Operations: ['96-65=31'] Exploring Operation: 53-31=22, Resulting Numbers: [97, 22] Generated Node #0,3,0: 13:[97, 22] Operation: 53-31=22 Exploring Operation: 97-31=66, Resulting Numbers: [53, 66] Generated Node #0,3,1: 13:[53, 66] Operation: 97-31=66 Exploring Operation: 97-53=44, Resulting Numbers: [31, 44] Generated Node #0,3,2: 13:[31, 44] Operation: 97-53=44 Exploring Operation: 53+97=150, Resulting Numbers: [31, 150] Generated Node #0,3,3: 13:[31, 150] Operation: 53+97=150 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 13:[31, 44], Operations: ['96-65=31', '97-53=44'] Exploring Operation: 31+44=75, Resulting Numbers: [75] 75,13 unequal: No Solution Exploring Operation: 44-31=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[65, 53, 96, 97], Operations: [] Exploring Operation: 96-65=31, Resulting Numbers: [53, 97, 31] Generated Node #0,3: 13:[53, 97, 31] Operation: 96-65=31 Moving to Node #0,3 Current State: 13:[53, 97, 31], Operations: ['96-65=31'] Exploring Operation: 97-53=44, Resulting Numbers: [31, 44] Generated Node #0,3,2: 13:[31, 44] Operation: 97-53=44 Moving to Node #0,3,2 Current State: 13:[31, 44], Operations: ['96-65=31', '97-53=44'] Exploring Operation: 44-31=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 26, 24, 66, 79 ]
92
[ "26-24=2", "79*2=158", "158-66=92" ]
Current State: 92:[26, 24, 66, 79], Operations: [] Exploring Operation: 26-24=2, Resulting Numbers: [66, 79, 2] Generated Node #2: [66, 79, 2] from Operation: 26-24=2 Current State: 92:[66, 79, 2], Operations: ['26-24=2'] Exploring Operation: 79*2=158, Resulting Numbers: [66, 158] Generated Node #3: [66, 158] from Operation: 79*2=158 Current State: 92:[66, 158], Operations: ['26-24=2', '79*2=158'] Exploring Operation: 158-66=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[26, 24, 66, 79], Operations: [] Exploring Operation: 66-24=42, Resulting Numbers: [26, 79, 42] Generated Node #0,0: 92:[26, 79, 42] Operation: 66-24=42 Exploring Operation: 66-26=40, Resulting Numbers: [24, 79, 40] Generated Node #0,1: 92:[24, 79, 40] Operation: 66-26=40 Exploring Operation: 24+66=90, Resulting Numbers: [26, 79, 90] Generated Node #0,2: 92:[26, 79, 90] Operation: 24+66=90 Exploring Operation: 26+66=92, Resulting Numbers: [24, 79, 92] Generated Node #0,3: 92:[24, 79, 92] Operation: 26+66=92 Exploring Operation: 79-66=13, Resulting Numbers: [26, 24, 13] Generated Node #0,4: 92:[26, 24, 13] Operation: 79-66=13 Start Sub Search at level 1: Moving to Node #0,4 Current State: 92:[26, 24, 13], Operations: ['79-66=13'] Exploring Operation: 26-24=2, Resulting Numbers: [13, 2] Generated Node #0,4,0: 92:[13, 2] Operation: 26-24=2 Exploring Operation: 26+13=39, Resulting Numbers: [24, 39] Generated Node #0,4,1: 92:[24, 39] Operation: 26+13=39 Exploring Operation: 24-13=11, Resulting Numbers: [26, 11] Generated Node #0,4,2: 92:[26, 11] Operation: 24-13=11 Exploring Operation: 26/13=2, Resulting Numbers: [24, 2] Generated Node #0,4,3: 92:[24, 2] Operation: 26/13=2 Exploring Operation: 26-13=13, Resulting Numbers: [24, 13] Generated Node #0,4,4: 92:[24, 13] Operation: 26-13=13 Moving to Node #0,4,3 Current State: 92:[24, 2], Operations: ['79-66=13', '26/13=2'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,92 unequal: No Solution Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,92 unequal: No Solution Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,92 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,92 unequal: No Solution Moving to Node #0,4,1 Current State: 92:[24, 39], Operations: ['79-66=13', '26+13=39'] Exploring Operation: 24+39=63, Resulting Numbers: [63] 63,92 unequal: No Solution Exploring Operation: 24*39=936, Resulting Numbers: [936] 936,92 unequal: No Solution Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,92 unequal: No Solution Moving to Node #0,4,0 Current State: 92:[13, 2], Operations: ['79-66=13', '26-24=2'] Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,92 unequal: No Solution Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,92 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,92 unequal: No Solution Moving to Node #0,4,2 Current State: 92:[26, 11], Operations: ['79-66=13', '24-13=11'] Exploring Operation: 26*11=286, Resulting Numbers: [286] 286,92 unequal: No Solution Exploring Operation: 26+11=37, Resulting Numbers: [37] 37,92 unequal: No Solution Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,92 unequal: No Solution Moving to Node #0,4,4 Current State: 92:[24, 13], Operations: ['79-66=13', '26-13=13'] Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,92 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,92 unequal: No Solution Exploring Operation: 24*13=312, Resulting Numbers: [312] 312,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 92:[24, 79, 92], Operations: ['26+66=92'] Exploring Operation: 79-24=55, Resulting Numbers: [92, 55] Generated Node #0,3,0: 92:[92, 55] Operation: 79-24=55 Exploring Operation: 24+79=103, Resulting Numbers: [92, 103] Generated Node #0,3,1: 92:[92, 103] Operation: 24+79=103 Exploring Operation: 24+92=116, Resulting Numbers: [79, 116] Generated Node #0,3,2: 92:[79, 116] Operation: 24+92=116 Exploring Operation: 92-24=68, Resulting Numbers: [79, 68] Generated Node #0,3,3: 92:[79, 68] Operation: 92-24=68 Exploring Operation: 92-79=13, Resulting Numbers: [24, 13] Generated Node #0,3,4: 92:[24, 13] Operation: 92-79=13 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 92:[92, 55], Operations: ['26+66=92', '79-24=55'] Exploring Operation: 92-55=37, Resulting Numbers: [37] 37,92 unequal: No Solution Exploring Operation: 92*55=5060, Resulting Numbers: [5060] 5060,92 unequal: No Solution Exploring Operation: 92+55=147, Resulting Numbers: [147] 147,92 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: 92:[24, 13], Operations: ['26+66=92', '92-79=13'] Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,92 unequal: No Solution Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,92 unequal: No Solution Exploring Operation: 24*13=312, Resulting Numbers: [312] 312,92 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: 92:[92, 103], Operations: ['26+66=92', '24+79=103'] Exploring Operation: 92*103=9476, Resulting Numbers: [9476] 9476,92 unequal: No Solution Exploring Operation: 92+103=195, Resulting Numbers: [195] 195,92 unequal: No Solution Exploring Operation: 103-92=11, Resulting Numbers: [11] 11,92 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: 92:[79, 68], Operations: ['26+66=92', '92-24=68'] Exploring Operation: 79-68=11, Resulting Numbers: [11] 11,92 unequal: No Solution Exploring Operation: 79*68=5372, Resulting Numbers: [5372] 5372,92 unequal: No Solution Exploring Operation: 79+68=147, Resulting Numbers: [147] 147,92 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: 92:[79, 116], Operations: ['26+66=92', '24+92=116'] Exploring Operation: 79+116=195, Resulting Numbers: [195] 195,92 unequal: No Solution Exploring Operation: 79*116=9164, Resulting Numbers: [9164] 9164,92 unequal: No Solution Exploring Operation: 116-79=37, Resulting Numbers: [37] 37,92 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: 92:[26, 79, 90], Operations: ['24+66=90'] Exploring Operation: 90-26=64, Resulting Numbers: [79, 64] Generated Node #0,2,0: 92:[79, 64] Operation: 90-26=64 Exploring Operation: 90-79=11, Resulting Numbers: [26, 11] Generated Node #0,2,1: 92:[26, 11] Operation: 90-79=11 Exploring Operation: 79-26=53, Resulting Numbers: [90, 53] Generated Node #0,2,2: 92:[90, 53] Operation: 79-26=53 Exploring Operation: 26+90=116, Resulting Numbers: [79, 116] Generated Node #0,2,3: 92:[79, 116] Operation: 26+90=116 Exploring Operation: 26+79=105, Resulting Numbers: [90, 105] Generated Node #0,2,4: 92:[90, 105] Operation: 26+79=105 Moving to Node #0,2,2 Current State: 92:[90, 53], Operations: ['24+66=90', '79-26=53'] Exploring Operation: 90-53=37, Resulting Numbers: [37] 37,92 unequal: No Solution Exploring Operation: 90+53=143, Resulting Numbers: [143] 143,92 unequal: No Solution Exploring Operation: 90*53=4770, Resulting Numbers: [4770] 4770,92 unequal: No Solution Moving to Node #0,2,1 Current State: 92:[26, 11], Operations: ['24+66=90', '90-79=11'] Exploring Operation: 26+11=37, Resulting Numbers: [37] 37,92 unequal: No Solution Exploring Operation: 26*11=286, Resulting Numbers: [286] 286,92 unequal: No Solution Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,92 unequal: No Solution Moving to Node #0,2,4 Current State: 92:[90, 105], Operations: ['24+66=90', '26+79=105'] Exploring Operation: 90*105=9450, Resulting Numbers: [9450] 9450,92 unequal: No Solution Exploring Operation: 90+105=195, Resulting Numbers: [195] 195,92 unequal: No Solution Exploring Operation: 105-90=15, Resulting Numbers: [15] 15,92 unequal: No Solution Moving to Node #0,2,0 Current State: 92:[79, 64], Operations: ['24+66=90', '90-26=64'] Exploring Operation: 79*64=5056, Resulting Numbers: [5056] 5056,92 unequal: No Solution Exploring Operation: 79-64=15, Resulting Numbers: [15] 15,92 unequal: No Solution Exploring Operation: 79+64=143, Resulting Numbers: [143] 143,92 unequal: No Solution Moving to Node #0,2,3 Current State: 92:[79, 116], Operations: ['24+66=90', '26+90=116'] Exploring Operation: 79+116=195, Resulting Numbers: [195] 195,92 unequal: No Solution Exploring Operation: 79*116=9164, Resulting Numbers: [9164] 9164,92 unequal: No Solution Exploring Operation: 116-79=37, Resulting Numbers: [37] 37,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[26, 79, 42], Operations: ['66-24=42'] Exploring Operation: 79+42=121, Resulting Numbers: [26, 121] Generated Node #0,0,0: 92:[26, 121] Operation: 79+42=121 Exploring Operation: 79-26=53, Resulting Numbers: [42, 53] Generated Node #0,0,1: 92:[42, 53] Operation: 79-26=53 Exploring Operation: 79-42=37, Resulting Numbers: [26, 37] Generated Node #0,0,2: 92:[26, 37] Operation: 79-42=37 Exploring Operation: 42-26=16, Resulting Numbers: [79, 16] Generated Node #0,0,3: 92:[79, 16] Operation: 42-26=16 Exploring Operation: 26+79=105, Resulting Numbers: [42, 105] Generated Node #0,0,4: 92:[42, 105] Operation: 26+79=105 Moving to Node #0,0,1 Current State: 92:[42, 53], Operations: ['66-24=42', '79-26=53'] Exploring Operation: 42*53=2226, Resulting Numbers: [2226] 2226,92 unequal: No Solution Exploring Operation: 53-42=11, Resulting Numbers: [11] 11,92 unequal: No Solution Exploring Operation: 42+53=95, Resulting Numbers: [95] 95,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[26, 37], Operations: ['66-24=42', '79-42=37'] Exploring Operation: 37-26=11, Resulting Numbers: [11] 11,92 unequal: No Solution Exploring Operation: 26*37=962, Resulting Numbers: [962] 962,92 unequal: No Solution Exploring Operation: 26+37=63, Resulting Numbers: [63] 63,92 unequal: No Solution Moving to Node #0,0,4 Current State: 92:[42, 105], Operations: ['66-24=42', '26+79=105'] Exploring Operation: 42*105=4410, Resulting Numbers: [4410] 4410,92 unequal: No Solution Exploring Operation: 42+105=147, Resulting Numbers: [147] 147,92 unequal: No Solution Exploring Operation: 105-42=63, Resulting Numbers: [63] 63,92 unequal: No Solution Moving to Node #0,0,3 Current State: 92:[79, 16], Operations: ['66-24=42', '42-26=16'] Exploring Operation: 79+16=95, Resulting Numbers: [95] 95,92 unequal: No Solution Exploring Operation: 79-16=63, Resulting Numbers: [63] 63,92 unequal: No Solution Exploring Operation: 79*16=1264, Resulting Numbers: [1264] 1264,92 unequal: No Solution Moving to Node #0,0,0 Current State: 92:[26, 121], Operations: ['66-24=42', '79+42=121'] Exploring Operation: 26+121=147, Resulting Numbers: [147] 147,92 unequal: No Solution Exploring Operation: 26*121=3146, Resulting Numbers: [3146] 3146,92 unequal: No Solution Exploring Operation: 121-26=95, Resulting Numbers: [95] 95,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[24, 79, 40], Operations: ['66-26=40'] Exploring Operation: 40-24=16, Resulting Numbers: [79, 16] Generated Node #0,1,0: 92:[79, 16] Operation: 40-24=16 Exploring Operation: 79-40=39, Resulting Numbers: [24, 39] Generated Node #0,1,1: 92:[24, 39] Operation: 79-40=39 Exploring Operation: 24+79=103, Resulting Numbers: [40, 103] Generated Node #0,1,2: 92:[40, 103] Operation: 24+79=103 Exploring Operation: 79-24=55, Resulting Numbers: [40, 55] Generated Node #0,1,3: 92:[40, 55] Operation: 79-24=55 Exploring Operation: 79+40=119, Resulting Numbers: [24, 119] Generated Node #0,1,4: 92:[24, 119] Operation: 79+40=119 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 92:[24, 39], Operations: ['66-26=40', '79-40=39'] Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,92 unequal: No Solution Exploring Operation: 24+39=63, Resulting Numbers: [63] 63,92 unequal: No Solution Exploring Operation: 24*39=936, Resulting Numbers: [936] 936,92 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: 92:[40, 55], Operations: ['66-26=40', '79-24=55'] Exploring Operation: 55-40=15, Resulting Numbers: [15] 15,92 unequal: No Solution Exploring Operation: 40*55=2200, Resulting Numbers: [2200] 2200,92 unequal: No Solution Exploring Operation: 40+55=95, Resulting Numbers: [95] 95,92 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: 92:[40, 103], Operations: ['66-26=40', '24+79=103'] Exploring Operation: 103-40=63, Resulting Numbers: [63] 63,92 unequal: No Solution Exploring Operation: 40*103=4120, Resulting Numbers: [4120] 4120,92 unequal: No Solution Exploring Operation: 40+103=143, Resulting Numbers: [143] 143,92 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: 92:[79, 16], Operations: ['66-26=40', '40-24=16'] Exploring Operation: 79+16=95, Resulting Numbers: [95] 95,92 unequal: No Solution Exploring Operation: 79-16=63, Resulting Numbers: [63] 63,92 unequal: No Solution Exploring Operation: 79*16=1264, Resulting Numbers: [1264] 1264,92 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: 92:[24, 119], Operations: ['66-26=40', '79+40=119'] Exploring Operation: 119-24=95, Resulting Numbers: [95] 95,92 unequal: No Solution Exploring Operation: 24+119=143, Resulting Numbers: [143] 143,92 unequal: No Solution Exploring Operation: 24*119=2856, Resulting Numbers: [2856] 2856,92 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
[ 66, 2, 56, 7 ]
19
[ "66+2=68", "56-7=49", "68-49=19" ]
Current State: 19:[66, 2, 56, 7], Operations: [] Exploring Operation: 66+2=68, Resulting Numbers: [56, 7, 68] Generated Node #2: [56, 7, 68] from Operation: 66+2=68 Current State: 19:[56, 7, 68], Operations: ['66+2=68'] Exploring Operation: 56-7=49, Resulting Numbers: [68, 49] Generated Node #3: [68, 49] from Operation: 56-7=49 Current State: 19:[68, 49], Operations: ['66+2=68', '56-7=49'] Exploring Operation: 68-49=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[66, 2, 56, 7], Operations: [] Exploring Operation: 66/2=33, Resulting Numbers: [56, 7, 33] Generated Node #0,0: 19:[56, 7, 33] Operation: 66/2=33 Exploring Operation: 56/2=28, Resulting Numbers: [66, 7, 28] Generated Node #0,1: 19:[66, 7, 28] Operation: 56/2=28 Exploring Operation: 66-56=10, Resulting Numbers: [2, 7, 10] Generated Node #0,2: 19:[2, 7, 10] Operation: 66-56=10 Start Sub Search at level 1: Moving to Node #0,2 Current State: 19:[2, 7, 10], Operations: ['66-56=10'] Exploring Operation: 2*7=14, Resulting Numbers: [10, 14] Generated Node #0,2,0: 19:[10, 14] Operation: 2*7=14 Exploring Operation: 2*10=20, Resulting Numbers: [7, 20] Generated Node #0,2,1: 19:[7, 20] Operation: 2*10=20 Exploring Operation: 2+7=9, Resulting Numbers: [10, 9] Generated Node #0,2,2: 19:[10, 9] Operation: 2+7=9 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 19:[7, 20], Operations: ['66-56=10', '2*10=20'] Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,19 unequal: No Solution Exploring Operation: 7+20=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 7*20=140, Resulting Numbers: [140] 140,19 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: 19:[10, 14], Operations: ['66-56=10', '2*7=14'] Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 10*14=140, Resulting Numbers: [140] 140,19 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: 19:[10, 9], Operations: ['66-56=10', '2+7=9'] Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[66, 2, 56, 7], Operations: [] Exploring Operation: 66-56=10, Resulting Numbers: [2, 7, 10] Generated Node #0,2: 19:[2, 7, 10] Operation: 66-56=10 Moving to Node #0,2 Current State: 19:[2, 7, 10], Operations: ['66-56=10'] Exploring Operation: 2+7=9, Resulting Numbers: [10, 9] Generated Node #0,2,2: 19:[10, 9] Operation: 2+7=9 Moving to Node #0,2,2 Current State: 19:[10, 9], Operations: ['66-56=10', '2+7=9'] Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 2, 54, 50, 23 ]
84
[ "23-2=21", "54-50=4", "21*4=84" ]
Current State: 84:[2, 54, 50, 23], Operations: [] Exploring Operation: 23-2=21, Resulting Numbers: [54, 50, 21] Generated Node #2: [54, 50, 21] from Operation: 23-2=21 Current State: 84:[54, 50, 21], Operations: ['23-2=21'] Exploring Operation: 54-50=4, Resulting Numbers: [21, 4] Generated Node #3: [21, 4] from Operation: 54-50=4 Current State: 84:[21, 4], Operations: ['23-2=21', '54-50=4'] Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[2, 54, 50, 23], Operations: [] Exploring Operation: 54-50=4, Resulting Numbers: [2, 23, 4] Generated Node #0,0: 84:[2, 23, 4] Operation: 54-50=4 Exploring Operation: 54/2=27, Resulting Numbers: [50, 23, 27] Generated Node #0,1: 84:[50, 23, 27] Operation: 54/2=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[2, 23, 4], Operations: ['54-50=4'] Exploring Operation: 23-2=21, Resulting Numbers: [4, 21] Generated Node #0,0,0: 84:[4, 21] Operation: 23-2=21 Exploring Operation: 23+4=27, Resulting Numbers: [2, 27] Generated Node #0,0,1: 84:[2, 27] Operation: 23+4=27 Moving to Node #0,0,0 Current State: 84:[4, 21], Operations: ['54-50=4', '23-2=21'] Exploring Operation: 4*21=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[2, 54, 50, 23], Operations: [] Exploring Operation: 54-50=4, Resulting Numbers: [2, 23, 4] Generated Node #0,0: 84:[2, 23, 4] Operation: 54-50=4 Moving to Node #0,0 Current State: 84:[2, 23, 4], Operations: ['54-50=4'] Exploring Operation: 23-2=21, Resulting Numbers: [4, 21] Generated Node #0,0,0: 84:[4, 21] Operation: 23-2=21 Moving to Node #0,0,0 Current State: 84:[4, 21], Operations: ['54-50=4', '23-2=21'] Exploring Operation: 4*21=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 65, 66, 76, 95 ]
14
[ "65*76=4940", "4940/95=52", "66-52=14" ]
Current State: 14:[65, 66, 76, 95], Operations: [] Exploring Operation: 65*76=4940, Resulting Numbers: [66, 95, 4940] Generated Node #2: [66, 95, 4940] from Operation: 65*76=4940 Current State: 14:[66, 95, 4940], Operations: ['65*76=4940'] Exploring Operation: 4940/95=52, Resulting Numbers: [66, 52] Generated Node #3: [66, 52] from Operation: 4940/95=52 Current State: 14:[66, 52], Operations: ['65*76=4940', '4940/95=52'] Exploring Operation: 66-52=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[65, 66, 76, 95], Operations: [] Exploring Operation: 95-76=19, Resulting Numbers: [65, 66, 19] Generated Node #0,0: 14:[65, 66, 19] Operation: 95-76=19 Moving to Node #0,0 Current State: 14:[65, 66, 19], Operations: ['95-76=19'] Exploring Operation: 66-65=1, Resulting Numbers: [19, 1] Generated Node #0,0,0: 14:[19, 1] Operation: 66-65=1 Moving to Node #0,0,0 Current State: 14:[19, 1], Operations: ['95-76=19', '66-65=1'] Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,14 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 22, 12, 36, 73 ]
92
[ "22+73=95", "36/12=3", "95-3=92" ]
Current State: 92:[22, 12, 36, 73], Operations: [] Exploring Operation: 22+73=95, Resulting Numbers: [12, 36, 95] Generated Node #2: [12, 36, 95] from Operation: 22+73=95 Current State: 92:[12, 36, 95], Operations: ['22+73=95'] Exploring Operation: 36/12=3, Resulting Numbers: [95, 3] Generated Node #3: [95, 3] from Operation: 36/12=3 Current State: 92:[95, 3], Operations: ['22+73=95', '36/12=3'] Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[22, 12, 36, 73], Operations: [] Exploring Operation: 12+73=85, Resulting Numbers: [22, 36, 85] Generated Node #0,0: 92:[22, 36, 85] Operation: 12+73=85 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[22, 36, 85], Operations: ['12+73=85'] Exploring Operation: 85-36=49, Resulting Numbers: [22, 49] Generated Node #0,0,0: 92:[22, 49] Operation: 85-36=49 Moving to Node #0,0,0 Current State: 92:[22, 49], Operations: ['12+73=85', '85-36=49'] Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,92 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
[ 69, 35, 22, 25 ]
80
[ "69*25=1725", "35+1725=1760", "1760/22=80" ]
Current State: 80:[69, 35, 22, 25], Operations: [] Exploring Operation: 69*25=1725, Resulting Numbers: [35, 22, 1725] Generated Node #2: [35, 22, 1725] from Operation: 69*25=1725 Current State: 80:[35, 22, 1725], Operations: ['69*25=1725'] Exploring Operation: 35+1725=1760, Resulting Numbers: [22, 1760] Generated Node #3: [22, 1760] from Operation: 35+1725=1760 Current State: 80:[22, 1760], Operations: ['69*25=1725', '35+1725=1760'] Exploring Operation: 1760/22=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[69, 35, 22, 25], Operations: [] Exploring Operation: 69-35=34, Resulting Numbers: [22, 25, 34] Generated Node #0,0: 80:[22, 25, 34] Operation: 69-35=34 Exploring Operation: 69-25=44, Resulting Numbers: [35, 22, 44] Generated Node #0,1: 80:[35, 22, 44] Operation: 69-25=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[35, 22, 44], Operations: ['69-25=44'] Exploring Operation: 44-35=9, Resulting Numbers: [22, 9] Generated Node #0,1,0: 80:[22, 9] Operation: 44-35=9 Exploring Operation: 35+44=79, Resulting Numbers: [22, 79] Generated Node #0,1,1: 80:[22, 79] Operation: 35+44=79 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 80:[22, 9], Operations: ['69-25=44', '44-35=9'] Exploring Operation: 22+9=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,80 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: 80:[22, 79], Operations: ['69-25=44', '35+44=79'] Exploring Operation: 79-22=57, Resulting Numbers: [57] 57,80 unequal: No Solution Exploring Operation: 22+79=101, Resulting Numbers: [101] 101,80 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: 80:[22, 25, 34], Operations: ['69-35=34'] Exploring Operation: 25-22=3, Resulting Numbers: [34, 3] Generated Node #0,0,0: 80:[34, 3] Operation: 25-22=3 Exploring Operation: 34-25=9, Resulting Numbers: [22, 9] Generated Node #0,0,1: 80:[22, 9] Operation: 34-25=9 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 80:[22, 9], Operations: ['69-35=34', '34-25=9'] Exploring Operation: 22+9=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,80 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: 80:[34, 3], Operations: ['69-35=34', '25-22=3'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,80 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
[ 99, 21, 30, 5 ]
72
[ "99-21=78", "30*5=150", "150-78=72" ]
Current State: 72:[99, 21, 30, 5], Operations: [] Exploring Operation: 99-21=78, Resulting Numbers: [30, 5, 78] Generated Node #2: [30, 5, 78] from Operation: 99-21=78 Current State: 72:[30, 5, 78], Operations: ['99-21=78'] Exploring Operation: 30*5=150, Resulting Numbers: [78, 150] Generated Node #3: [78, 150] from Operation: 30*5=150 Current State: 72:[78, 150], Operations: ['99-21=78', '30*5=150'] Exploring Operation: 150-78=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[99, 21, 30, 5], Operations: [] Exploring Operation: 30-21=9, Resulting Numbers: [99, 5, 9] Generated Node #0,0: 72:[99, 5, 9] Operation: 30-21=9 Exploring Operation: 99-21=78, Resulting Numbers: [30, 5, 78] Generated Node #0,1: 72:[30, 5, 78] Operation: 99-21=78 Exploring Operation: 99-30=69, Resulting Numbers: [21, 5, 69] Generated Node #0,2: 72:[21, 5, 69] Operation: 99-30=69 Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[21, 5, 69], Operations: ['99-30=69'] Exploring Operation: 5+69=74, Resulting Numbers: [21, 74] Generated Node #0,2,0: 72:[21, 74] Operation: 5+69=74 Exploring Operation: 21+5=26, Resulting Numbers: [69, 26] Generated Node #0,2,1: 72:[69, 26] Operation: 21+5=26 Exploring Operation: 21-5=16, Resulting Numbers: [69, 16] Generated Node #0,2,2: 72:[69, 16] Operation: 21-5=16 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 72:[21, 74], Operations: ['99-30=69', '5+69=74'] Exploring Operation: 21*74=1554, Resulting Numbers: [1554] 1554,72 unequal: No Solution Exploring Operation: 74-21=53, Resulting Numbers: [53] 53,72 unequal: No Solution Exploring Operation: 21+74=95, Resulting Numbers: [95] 95,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 72:[69, 26], Operations: ['99-30=69', '21+5=26'] Exploring Operation: 69*26=1794, Resulting Numbers: [1794] 1794,72 unequal: No Solution Exploring Operation: 69+26=95, Resulting Numbers: [95] 95,72 unequal: No Solution Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 72:[69, 16], Operations: ['99-30=69', '21-5=16'] Exploring Operation: 69*16=1104, Resulting Numbers: [1104] 1104,72 unequal: No Solution Exploring Operation: 69-16=53, Resulting Numbers: [53] 53,72 unequal: No Solution Exploring Operation: 69+16=85, Resulting Numbers: [85] 85,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[30, 5, 78], Operations: ['99-21=78'] Exploring Operation: 30/5=6, Resulting Numbers: [78, 6] Generated Node #0,1,0: 72:[78, 6] Operation: 30/5=6 Exploring Operation: 30+5=35, Resulting Numbers: [78, 35] Generated Node #0,1,1: 72:[78, 35] Operation: 30+5=35 Exploring Operation: 30-5=25, Resulting Numbers: [78, 25] Generated Node #0,1,2: 72:[78, 25] Operation: 30-5=25 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 72:[78, 6], Operations: ['99-21=78', '30/5=6'] Exploring Operation: 78+6=84, Resulting Numbers: [84] 84,72 unequal: No Solution Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[99, 21, 30, 5], Operations: [] Exploring Operation: 99-21=78, Resulting Numbers: [30, 5, 78] Generated Node #0,1: 72:[30, 5, 78] Operation: 99-21=78 Moving to Node #0,1 Current State: 72:[30, 5, 78], Operations: ['99-21=78'] Exploring Operation: 30/5=6, Resulting Numbers: [78, 6] Generated Node #0,1,0: 72:[78, 6] Operation: 30/5=6 Moving to Node #0,1,0 Current State: 72:[78, 6], Operations: ['99-21=78', '30/5=6'] Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_3
mult_heuristic
[ 15, 51, 30, 73 ]
67
[ "51-15=36", "30+73=103", "103-36=67" ]
Current State: 67:[15, 51, 30, 73], Operations: [] Exploring Operation: 51-15=36, Resulting Numbers: [30, 73, 36] Generated Node #2: [30, 73, 36] from Operation: 51-15=36 Current State: 67:[30, 73, 36], Operations: ['51-15=36'] Exploring Operation: 30+73=103, Resulting Numbers: [36, 103] Generated Node #3: [36, 103] from Operation: 30+73=103 Current State: 67:[36, 103], Operations: ['51-15=36', '30+73=103'] Exploring Operation: 103-36=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[15, 51, 30, 73], Operations: [] Exploring Operation: 15+51=66, Resulting Numbers: [30, 73, 66] Generated Node #0,0: 67:[30, 73, 66] Operation: 15+51=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[30, 73, 66], Operations: ['15+51=66'] Exploring Operation: 73-30=43, Resulting Numbers: [66, 43] Generated Node #0,0,0: 67:[66, 43] Operation: 73-30=43 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 67:[66, 43], Operations: ['15+51=66', '73-30=43'] Exploring Operation: 66+43=109, Resulting Numbers: [109] 109,67 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
[ 14, 81, 67, 41 ]
93
[ "81-14=67", "67-41=26", "67+26=93" ]
Current State: 93:[14, 81, 67, 41], Operations: [] Exploring Operation: 81-14=67, Resulting Numbers: [67, 41, 67] Generated Node #2: [67, 41, 67] from Operation: 81-14=67 Current State: 93:[67, 41, 67], Operations: ['81-14=67'] Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,93 equal: Goal Reached Exploring Operation: 67+26=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[14, 81, 67, 41], Operations: [] Exploring Operation: 81-67=14, Resulting Numbers: [14, 41, 14] Generated Node #0,0: 93:[14, 41, 14] Operation: 81-67=14 Exploring Operation: 14+81=95, Resulting Numbers: [67, 41, 95] Generated Node #0,1: 93:[67, 41, 95] Operation: 14+81=95 Exploring Operation: 14+67=81, Resulting Numbers: [81, 41, 81] Generated Node #0,2: 93:[81, 41, 81] Operation: 14+67=81 Exploring Operation: 67-41=26, Resulting Numbers: [14, 81, 26] Generated Node #0,3: 93:[14, 81, 26] Operation: 67-41=26 Moving to Node #0,3 Current State: 93:[14, 81, 26], Operations: ['67-41=26'] Exploring Operation: 14+26=40, Resulting Numbers: [81, 40] Generated Node #0,3,0: 93:[81, 40] Operation: 14+26=40 Exploring Operation: 81+26=107, Resulting Numbers: [14, 107] Generated Node #0,3,1: 93:[14, 107] Operation: 81+26=107 Exploring Operation: 14+81=95, Resulting Numbers: [26, 95] Generated Node #0,3,2: 93:[26, 95] Operation: 14+81=95 Exploring Operation: 26-14=12, Resulting Numbers: [81, 12] Generated Node #0,3,3: 93:[81, 12] Operation: 26-14=12 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 93:[26, 95], Operations: ['67-41=26', '14+81=95'] Exploring Operation: 95-26=69, Resulting Numbers: [69] 69,93 unequal: No Solution Exploring Operation: 26*95=2470, Resulting Numbers: [2470] 2470,93 unequal: No Solution Exploring Operation: 26+95=121, Resulting Numbers: [121] 121,93 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 #0,3,0 Current State: 93:[81, 40], Operations: ['67-41=26', '14+26=40'] Exploring Operation: 81*40=3240, Resulting Numbers: [3240] 3240,93 unequal: No Solution Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,93 unequal: No Solution Exploring Operation: 81+40=121, Resulting Numbers: [121] 121,93 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 #0,3,3 Current State: 93:[81, 12], Operations: ['67-41=26', '26-14=12'] Exploring Operation: 81*12=972, Resulting Numbers: [972] 972,93 unequal: No Solution Exploring Operation: 81-12=69, Resulting Numbers: [69] 69,93 unequal: No Solution Exploring Operation: 81+12=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[14, 81, 67, 41], Operations: [] Exploring Operation: 67-41=26, Resulting Numbers: [14, 81, 26] Generated Node #0,3: 93:[14, 81, 26] Operation: 67-41=26 Moving to Node #0,3 Current State: 93:[14, 81, 26], Operations: ['67-41=26'] Exploring Operation: 26-14=12, Resulting Numbers: [81, 12] Generated Node #0,3,3: 93:[81, 12] Operation: 26-14=12 Moving to Node #0,3,3 Current State: 93:[81, 12], Operations: ['67-41=26', '26-14=12'] Exploring Operation: 81+12=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 65, 26, 54, 44 ]
29
[ "65-26=39", "54-44=10", "39-10=29" ]
Current State: 29:[65, 26, 54, 44], Operations: [] Exploring Operation: 65-26=39, Resulting Numbers: [54, 44, 39] Generated Node #2: [54, 44, 39] from Operation: 65-26=39 Current State: 29:[54, 44, 39], Operations: ['65-26=39'] Exploring Operation: 54-44=10, Resulting Numbers: [39, 10] Generated Node #3: [39, 10] from Operation: 54-44=10 Current State: 29:[39, 10], Operations: ['65-26=39', '54-44=10'] Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[65, 26, 54, 44], Operations: [] Exploring Operation: 65-44=21, Resulting Numbers: [26, 54, 21] Generated Node #0,0: 29:[26, 54, 21] Operation: 65-44=21 Exploring Operation: 65-54=11, Resulting Numbers: [26, 44, 11] Generated Node #0,1: 29:[26, 44, 11] Operation: 65-54=11 Exploring Operation: 65-26=39, Resulting Numbers: [54, 44, 39] Generated Node #0,2: 29:[54, 44, 39] Operation: 65-26=39 Exploring Operation: 54-26=28, Resulting Numbers: [65, 44, 28] Generated Node #0,3: 29:[65, 44, 28] Operation: 54-26=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[26, 54, 21], Operations: ['65-44=21'] Exploring Operation: 26+21=47, Resulting Numbers: [54, 47] Generated Node #0,0,0: 29:[54, 47] Operation: 26+21=47 Exploring Operation: 26-21=5, Resulting Numbers: [54, 5] Generated Node #0,0,1: 29:[54, 5] Operation: 26-21=5 Exploring Operation: 54-21=33, Resulting Numbers: [26, 33] Generated Node #0,0,2: 29:[26, 33] Operation: 54-21=33 Exploring Operation: 54-26=28, Resulting Numbers: [21, 28] Generated Node #0,0,3: 29:[21, 28] Operation: 54-26=28 Moving to Node #0,0,2 Current State: 29:[26, 33], Operations: ['65-44=21', '54-21=33'] Exploring Operation: 26+33=59, Resulting Numbers: [59] 59,29 unequal: No Solution Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 26*33=858, Resulting Numbers: [858] 858,29 unequal: No Solution Moving to Node #0,0,3 Current State: 29:[21, 28], Operations: ['65-44=21', '54-26=28'] Exploring Operation: 21*28=588, Resulting Numbers: [588] 588,29 unequal: No Solution Exploring Operation: 21+28=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 28-21=7, Resulting Numbers: [7] 7,29 unequal: No Solution Moving to Node #0,0,0 Current State: 29:[54, 47], Operations: ['65-44=21', '26+21=47'] Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 54*47=2538, Resulting Numbers: [2538] 2538,29 unequal: No Solution Exploring Operation: 54+47=101, Resulting Numbers: [101] 101,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[54, 5], Operations: ['65-44=21', '26-21=5'] Exploring Operation: 54+5=59, Resulting Numbers: [59] 59,29 unequal: No Solution Exploring Operation: 54*5=270, Resulting Numbers: [270] 270,29 unequal: No Solution Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[26, 44, 11], Operations: ['65-54=11'] Exploring Operation: 26+11=37, Resulting Numbers: [44, 37] Generated Node #0,1,0: 29:[44, 37] Operation: 26+11=37 Exploring Operation: 44-11=33, Resulting Numbers: [26, 33] Generated Node #0,1,1: 29:[26, 33] Operation: 44-11=33 Exploring Operation: 44/11=4, Resulting Numbers: [26, 4] Generated Node #0,1,2: 29:[26, 4] Operation: 44/11=4 Exploring Operation: 44-26=18, Resulting Numbers: [11, 18] Generated Node #0,1,3: 29:[11, 18] Operation: 44-26=18 Moving to Node #0,1,1 Current State: 29:[26, 33], Operations: ['65-54=11', '44-11=33'] Exploring Operation: 26+33=59, Resulting Numbers: [59] 59,29 unequal: No Solution Exploring Operation: 26*33=858, Resulting Numbers: [858] 858,29 unequal: No Solution Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[44, 37], Operations: ['65-54=11', '26+11=37'] Exploring Operation: 44+37=81, Resulting Numbers: [81] 81,29 unequal: No Solution Exploring Operation: 44*37=1628, Resulting Numbers: [1628] 1628,29 unequal: No Solution Exploring Operation: 44-37=7, Resulting Numbers: [7] 7,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[26, 4], Operations: ['65-54=11', '44/11=4'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,29 unequal: No Solution Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,29 unequal: No Solution Exploring Operation: 26*4=104, Resulting Numbers: [104] 104,29 unequal: No Solution Moving to Node #0,1,3 Current State: 29:[11, 18], Operations: ['65-54=11', '44-26=18'] Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[65, 26, 54, 44], Operations: [] Exploring Operation: 65-54=11, Resulting Numbers: [26, 44, 11] Generated Node #0,1: 29:[26, 44, 11] Operation: 65-54=11 Moving to Node #0,1 Current State: 29:[26, 44, 11], Operations: ['65-54=11'] Exploring Operation: 44-26=18, Resulting Numbers: [11, 18] Generated Node #0,1,3: 29:[11, 18] Operation: 44-26=18 Moving to Node #0,1,3 Current State: 29:[11, 18], Operations: ['65-54=11', '44-26=18'] Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_4
sum_heuristic
[ 27, 23, 29, 61 ]
40
[ "27+23=50", "29+61=90", "90-50=40" ]
Current State: 40:[27, 23, 29, 61], Operations: [] Exploring Operation: 27+23=50, Resulting Numbers: [29, 61, 50] Generated Node #2: [29, 61, 50] from Operation: 27+23=50 Current State: 40:[29, 61, 50], Operations: ['27+23=50'] Exploring Operation: 29+61=90, Resulting Numbers: [50, 90] Generated Node #3: [50, 90] from Operation: 29+61=90 Current State: 40:[50, 90], Operations: ['27+23=50', '29+61=90'] Exploring Operation: 90-50=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[27, 23, 29, 61], Operations: [] Exploring Operation: 61-23=38, Resulting Numbers: [27, 29, 38] Generated Node #0,0: 40:[27, 29, 38] Operation: 61-23=38 Exploring Operation: 61-27=34, Resulting Numbers: [23, 29, 34] Generated Node #0,1: 40:[23, 29, 34] Operation: 61-27=34 Moving to Node #0,0 Current State: 40:[27, 29, 38], Operations: ['61-23=38'] Exploring Operation: 29-27=2, Resulting Numbers: [38, 2] Generated Node #0,0,0: 40:[38, 2] Operation: 29-27=2 Exploring Operation: 38-29=9, Resulting Numbers: [27, 9] Generated Node #0,0,1: 40:[27, 9] Operation: 38-29=9 Moving to Node #0,1 Current State: 40:[23, 29, 34], Operations: ['61-27=34'] Exploring Operation: 29-23=6, Resulting Numbers: [34, 6] Generated Node #0,1,0: 40:[34, 6] Operation: 29-23=6 Exploring Operation: 34-29=5, Resulting Numbers: [23, 5] Generated Node #0,1,1: 40:[23, 5] Operation: 34-29=5 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 40:[23, 5], Operations: ['61-27=34', '34-29=5'] Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,40 unequal: No Solution Exploring Operation: 23+5=28, Resulting Numbers: [28] 28,40 unequal: No Solution No 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: 40:[34, 6], Operations: ['61-27=34', '29-23=6'] Exploring Operation: 34+6=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[27, 23, 29, 61], Operations: [] Exploring Operation: 61-27=34, Resulting Numbers: [23, 29, 34] Generated Node #0,1: 40:[23, 29, 34] Operation: 61-27=34 Moving to Node #0,1 Current State: 40:[23, 29, 34], Operations: ['61-27=34'] Exploring Operation: 29-23=6, Resulting Numbers: [34, 6] Generated Node #0,1,0: 40:[34, 6] Operation: 29-23=6 Moving to Node #0,1,0 Current State: 40:[34, 6], Operations: ['61-27=34', '29-23=6'] Exploring Operation: 34+6=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_2
mult_heuristic
[ 25, 21, 43, 51 ]
32
[ "25-21=4", "51-43=8", "4*8=32" ]
Current State: 32:[25, 21, 43, 51], Operations: [] Exploring Operation: 25-21=4, Resulting Numbers: [43, 51, 4] Generated Node #2: [43, 51, 4] from Operation: 25-21=4 Current State: 32:[43, 51, 4], Operations: ['25-21=4'] Exploring Operation: 51-43=8, Resulting Numbers: [4, 8] Generated Node #3: [4, 8] from Operation: 51-43=8 Current State: 32:[4, 8], Operations: ['25-21=4', '51-43=8'] Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[25, 21, 43, 51], Operations: [] Exploring Operation: 51-25=26, Resulting Numbers: [21, 43, 26] Generated Node #0,0: 32:[21, 43, 26] Operation: 51-25=26 Exploring Operation: 51-43=8, Resulting Numbers: [25, 21, 8] Generated Node #0,1: 32:[25, 21, 8] Operation: 51-43=8 Exploring Operation: 51-21=30, Resulting Numbers: [25, 43, 30] Generated Node #0,2: 32:[25, 43, 30] Operation: 51-21=30 Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[25, 21, 8], Operations: ['51-43=8'] Exploring Operation: 25-21=4, Resulting Numbers: [8, 4] Generated Node #0,1,0: 32:[8, 4] Operation: 25-21=4 Exploring Operation: 25+8=33, Resulting Numbers: [21, 33] Generated Node #0,1,1: 32:[21, 33] Operation: 25+8=33 Exploring Operation: 25-8=17, Resulting Numbers: [21, 17] Generated Node #0,1,2: 32:[21, 17] Operation: 25-8=17 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 32:[8, 4], Operations: ['51-43=8', '25-21=4'] Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,32 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[25, 21, 43, 51], Operations: [] Exploring Operation: 51-43=8, Resulting Numbers: [25, 21, 8] Generated Node #0,1: 32:[25, 21, 8] Operation: 51-43=8 Moving to Node #0,1 Current State: 32:[25, 21, 8], Operations: ['51-43=8'] Exploring Operation: 25-21=4, Resulting Numbers: [8, 4] Generated Node #0,1,0: 32:[8, 4] Operation: 25-21=4 Moving to Node #0,1,0 Current State: 32:[8, 4], Operations: ['51-43=8', '25-21=4'] Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 46, 49, 41, 9 ]
53
[ "49-46=3", "41+9=50", "3+50=53" ]
Current State: 53:[46, 49, 41, 9], Operations: [] Exploring Operation: 49-46=3, Resulting Numbers: [41, 9, 3] Generated Node #2: [41, 9, 3] from Operation: 49-46=3 Current State: 53:[41, 9, 3], Operations: ['49-46=3'] Exploring Operation: 41+9=50, Resulting Numbers: [3, 50] Generated Node #3: [3, 50] from Operation: 41+9=50 Current State: 53:[3, 50], Operations: ['49-46=3', '41+9=50'] Exploring Operation: 3+50=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[46, 49, 41, 9], Operations: [] Exploring Operation: 49+9=58, Resulting Numbers: [46, 41, 58] Generated Node #0,0: 53:[46, 41, 58] Operation: 49+9=58 Exploring Operation: 46+9=55, Resulting Numbers: [49, 41, 55] Generated Node #0,1: 53:[49, 41, 55] Operation: 46+9=55 Exploring Operation: 46-9=37, Resulting Numbers: [49, 41, 37] Generated Node #0,2: 53:[49, 41, 37] Operation: 46-9=37 Exploring Operation: 41+9=50, Resulting Numbers: [46, 49, 50] Generated Node #0,3: 53:[46, 49, 50] Operation: 41+9=50 Moving to Node #0,3 Current State: 53:[46, 49, 50], Operations: ['41+9=50'] Exploring Operation: 46+50=96, Resulting Numbers: [49, 96] Generated Node #0,3,0: 53:[49, 96] Operation: 46+50=96 Exploring Operation: 50-46=4, Resulting Numbers: [49, 4] Generated Node #0,3,1: 53:[49, 4] Operation: 50-46=4 Exploring Operation: 49-46=3, Resulting Numbers: [50, 3] Generated Node #0,3,2: 53:[50, 3] Operation: 49-46=3 Exploring Operation: 46+49=95, Resulting Numbers: [50, 95] Generated Node #0,3,3: 53:[50, 95] Operation: 46+49=95 Moving to Node #0,1 Current State: 53:[49, 41, 55], Operations: ['46+9=55'] Exploring Operation: 49-41=8, Resulting Numbers: [55, 8] Generated Node #0,1,0: 53:[55, 8] Operation: 49-41=8 Exploring Operation: 49+41=90, Resulting Numbers: [55, 90] Generated Node #0,1,1: 53:[55, 90] Operation: 49+41=90 Exploring Operation: 41+55=96, Resulting Numbers: [49, 96] Generated Node #0,1,2: 53:[49, 96] Operation: 41+55=96 Exploring Operation: 55-41=14, Resulting Numbers: [49, 14] Generated Node #0,1,3: 53:[49, 14] Operation: 55-41=14 Moving to Node #0,0 Current State: 53:[46, 41, 58], Operations: ['49+9=58'] Exploring Operation: 58-41=17, Resulting Numbers: [46, 17] Generated Node #0,0,0: 53:[46, 17] Operation: 58-41=17 Exploring Operation: 46-41=5, Resulting Numbers: [58, 5] Generated Node #0,0,1: 53:[58, 5] Operation: 46-41=5 Exploring Operation: 46+41=87, Resulting Numbers: [58, 87] Generated Node #0,0,2: 53:[58, 87] Operation: 46+41=87 Exploring Operation: 58-46=12, Resulting Numbers: [41, 12] Generated Node #0,0,3: 53:[41, 12] Operation: 58-46=12 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 53:[58, 87], Operations: ['49+9=58', '46+41=87'] Exploring Operation: 58*87=5046, Resulting Numbers: [5046] 5046,53 unequal: No Solution Exploring Operation: 87-58=29, Resulting Numbers: [29] 29,53 unequal: No Solution Exploring Operation: 58+87=145, Resulting Numbers: [145] 145,53 unequal: No Solution No 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: 53:[46, 17], Operations: ['49+9=58', '58-41=17'] Exploring Operation: 46+17=63, Resulting Numbers: [63] 63,53 unequal: No Solution Exploring Operation: 46*17=782, Resulting Numbers: [782] 782,53 unequal: No Solution Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,53 unequal: No Solution No 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: 53:[58, 5], Operations: ['49+9=58', '46-41=5'] Exploring Operation: 58*5=290, Resulting Numbers: [290] 290,53 unequal: No Solution Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[46, 49, 41, 9], Operations: [] Exploring Operation: 49+9=58, Resulting Numbers: [46, 41, 58] Generated Node #0,0: 53:[46, 41, 58] Operation: 49+9=58 Moving to Node #0,0 Current State: 53:[46, 41, 58], Operations: ['49+9=58'] Exploring Operation: 46-41=5, Resulting Numbers: [58, 5] Generated Node #0,0,1: 53:[58, 5] Operation: 46-41=5 Moving to Node #0,0,1 Current State: 53:[58, 5], Operations: ['49+9=58', '46-41=5'] Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_4
mult_heuristic
[ 80, 24, 82, 16 ]
64
[ "82-80=2", "24*2=48", "16+48=64" ]
Current State: 64:[80, 24, 82, 16], Operations: [] Exploring Operation: 82-80=2, Resulting Numbers: [24, 16, 2] Generated Node #2: [24, 16, 2] from Operation: 82-80=2 Current State: 64:[24, 16, 2], Operations: ['82-80=2'] Exploring Operation: 24*2=48, Resulting Numbers: [16, 48] Generated Node #3: [16, 48] from Operation: 24*2=48 Current State: 64:[16, 48], Operations: ['82-80=2', '24*2=48'] Exploring Operation: 16+48=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[80, 24, 82, 16], Operations: [] Exploring Operation: 80-16=64, Resulting Numbers: [24, 82, 64] Generated Node #0,0: 64:[24, 82, 64] Operation: 80-16=64 Exploring Operation: 80-24=56, Resulting Numbers: [82, 16, 56] Generated Node #0,1: 64:[82, 16, 56] Operation: 80-24=56 Exploring Operation: 82-16=66, Resulting Numbers: [80, 24, 66] Generated Node #0,2: 64:[80, 24, 66] Operation: 82-16=66 Exploring Operation: 82-80=2, Resulting Numbers: [24, 16, 2] Generated Node #0,3: 64:[24, 16, 2] Operation: 82-80=2 Exploring Operation: 82-24=58, Resulting Numbers: [80, 16, 58] Generated Node #0,4: 64:[80, 16, 58] Operation: 82-24=58 Moving to Node #0,3 Current State: 64:[24, 16, 2], Operations: ['82-80=2'] Exploring Operation: 24+2=26, Resulting Numbers: [16, 26] Generated Node #0,3,0: 64:[16, 26] Operation: 24+2=26 Exploring Operation: 24/2=12, Resulting Numbers: [16, 12] Generated Node #0,3,1: 64:[16, 12] Operation: 24/2=12 Exploring Operation: 24-16=8, Resulting Numbers: [2, 8] Generated Node #0,3,2: 64:[2, 8] Operation: 24-16=8 Exploring Operation: 24+16=40, Resulting Numbers: [2, 40] Generated Node #0,3,3: 64:[2, 40] Operation: 24+16=40 Exploring Operation: 24-2=22, Resulting Numbers: [16, 22] Generated Node #0,3,4: 64:[16, 22] Operation: 24-2=22 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 64:[2, 8], Operations: ['82-80=2', '24-16=8'] Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,64 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,64 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,64 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 #0,3,1 Current State: 64:[16, 12], Operations: ['82-80=2', '24/2=12'] Exploring Operation: 16*12=192, Resulting Numbers: [192] 192,64 unequal: No Solution Exploring Operation: 16+12=28, Resulting Numbers: [28] 28,64 unequal: No Solution Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,64 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 #0,3,0 Current State: 64:[16, 26], Operations: ['82-80=2', '24+2=26'] Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 16+26=42, Resulting Numbers: [42] 42,64 unequal: No Solution Exploring Operation: 16*26=416, Resulting Numbers: [416] 416,64 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 #0,3,4 Current State: 64:[16, 22], Operations: ['82-80=2', '24-2=22'] Exploring Operation: 16+22=38, Resulting Numbers: [38] 38,64 unequal: No Solution Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,64 unequal: No Solution Exploring Operation: 16*22=352, Resulting Numbers: [352] 352,64 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 #0,3,3 Current State: 64:[2, 40], Operations: ['82-80=2', '24+16=40'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,64 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,64 unequal: No Solution Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,64 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,64 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: 64:[80, 16, 58], Operations: ['82-24=58'] Exploring Operation: 80-58=22, Resulting Numbers: [16, 22] Generated Node #0,4,0: 64:[16, 22] Operation: 80-58=22 Exploring Operation: 80/16=5, Resulting Numbers: [58, 5] Generated Node #0,4,1: 64:[58, 5] Operation: 80/16=5 Exploring Operation: 58-16=42, Resulting Numbers: [80, 42] Generated Node #0,4,2: 64:[80, 42] Operation: 58-16=42 Exploring Operation: 80-16=64, Resulting Numbers: [58, 64] Generated Node #0,4,3: 64:[58, 64] Operation: 80-16=64 Exploring Operation: 16+58=74, Resulting Numbers: [80, 74] Generated Node #0,4,4: 64:[80, 74] Operation: 16+58=74 Moving to Node #0,0 Current State: 64:[24, 82, 64], Operations: ['80-16=64'] Exploring Operation: 82-24=58, Resulting Numbers: [64, 58] Generated Node #0,0,0: 64:[64, 58] Operation: 82-24=58 Exploring Operation: 24+82=106, Resulting Numbers: [64, 106] Generated Node #0,0,1: 64:[64, 106] Operation: 24+82=106 Exploring Operation: 64-24=40, Resulting Numbers: [82, 40] Generated Node #0,0,2: 64:[82, 40] Operation: 64-24=40 Exploring Operation: 24+64=88, Resulting Numbers: [82, 88] Generated Node #0,0,3: 64:[82, 88] Operation: 24+64=88 Exploring Operation: 82-64=18, Resulting Numbers: [24, 18] Generated Node #0,0,4: 64:[24, 18] Operation: 82-64=18 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[64, 58], Operations: ['80-16=64', '82-24=58'] Exploring Operation: 64-58=6, Resulting Numbers: [6] 6,64 unequal: No Solution Exploring Operation: 64*58=3712, Resulting Numbers: [3712] 3712,64 unequal: No Solution Exploring Operation: 64+58=122, Resulting Numbers: [122] 122,64 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 #0,0,4 Current State: 64:[24, 18], Operations: ['80-16=64', '82-64=18'] Exploring Operation: 24+18=42, Resulting Numbers: [42] 42,64 unequal: No Solution Exploring Operation: 24*18=432, Resulting Numbers: [432] 432,64 unequal: No Solution Exploring Operation: 24-18=6, Resulting Numbers: [6] 6,64 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 #0,0,2 Current State: 64:[82, 40], Operations: ['80-16=64', '64-24=40'] Exploring Operation: 82-40=42, Resulting Numbers: [42] 42,64 unequal: No Solution Exploring Operation: 82*40=3280, Resulting Numbers: [3280] 3280,64 unequal: No Solution Exploring Operation: 82+40=122, Resulting Numbers: [122] 122,64 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 #0,0,1 Current State: 64:[64, 106], Operations: ['80-16=64', '24+82=106'] Exploring Operation: 64*106=6784, Resulting Numbers: [6784] 6784,64 unequal: No Solution Exploring Operation: 64+106=170, Resulting Numbers: [170] 170,64 unequal: No Solution Exploring Operation: 106-64=42, Resulting Numbers: [42] 42,64 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 #0,0,3 Current State: 64:[82, 88], Operations: ['80-16=64', '24+64=88'] Exploring Operation: 82*88=7216, Resulting Numbers: [7216] 7216,64 unequal: No Solution Exploring Operation: 88-82=6, Resulting Numbers: [6] 6,64 unequal: No Solution Exploring Operation: 82+88=170, Resulting Numbers: [170] 170,64 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: 64:[82, 16, 56], Operations: ['80-24=56'] Exploring Operation: 82-16=66, Resulting Numbers: [56, 66] Generated Node #0,1,0: 64:[56, 66] Operation: 82-16=66 Exploring Operation: 16+56=72, Resulting Numbers: [82, 72] Generated Node #0,1,1: 64:[82, 72] Operation: 16+56=72 Exploring Operation: 82+16=98, Resulting Numbers: [56, 98] Generated Node #0,1,2: 64:[56, 98] Operation: 82+16=98 Exploring Operation: 56-16=40, Resulting Numbers: [82, 40] Generated Node #0,1,3: 64:[82, 40] Operation: 56-16=40 Exploring Operation: 82-56=26, Resulting Numbers: [16, 26] Generated Node #0,1,4: 64:[16, 26] Operation: 82-56=26 Moving to Node #0,2 Current State: 64:[80, 24, 66], Operations: ['82-16=66'] Exploring Operation: 80+24=104, Resulting Numbers: [66, 104] Generated Node #0,2,0: 64:[66, 104] Operation: 80+24=104 Exploring Operation: 80-24=56, Resulting Numbers: [66, 56] Generated Node #0,2,1: 64:[66, 56] Operation: 80-24=56 Exploring Operation: 24+66=90, Resulting Numbers: [80, 90] Generated Node #0,2,2: 64:[80, 90] Operation: 24+66=90 Exploring Operation: 66-24=42, Resulting Numbers: [80, 42] Generated Node #0,2,3: 64:[80, 42] Operation: 66-24=42 Exploring Operation: 80-66=14, Resulting Numbers: [24, 14] Generated Node #0,2,4: 64:[24, 14] Operation: 80-66=14 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 64:[66, 56], Operations: ['82-16=66', '80-24=56'] Exploring Operation: 66-56=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 66+56=122, Resulting Numbers: [122] 122,64 unequal: No Solution Exploring Operation: 66*56=3696, Resulting Numbers: [3696] 3696,64 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 #0,2,4 Current State: 64:[24, 14], Operations: ['82-16=66', '80-66=14'] Exploring Operation: 24+14=38, Resulting Numbers: [38] 38,64 unequal: No Solution Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 24*14=336, Resulting Numbers: [336] 336,64 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 #0,2,3 Current State: 64:[80, 42], Operations: ['82-16=66', '66-24=42'] Exploring Operation: 80+42=122, Resulting Numbers: [122] 122,64 unequal: No Solution Exploring Operation: 80-42=38, Resulting Numbers: [38] 38,64 unequal: No Solution Exploring Operation: 80*42=3360, Resulting Numbers: [3360] 3360,64 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 #0,2,0 Current State: 64:[66, 104], Operations: ['82-16=66', '80+24=104'] Exploring Operation: 66+104=170, Resulting Numbers: [170] 170,64 unequal: No Solution Exploring Operation: 66*104=6864, Resulting Numbers: [6864] 6864,64 unequal: No Solution Exploring Operation: 104-66=38, Resulting Numbers: [38] 38,64 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 #0,2,2 Current State: 64:[80, 90], Operations: ['82-16=66', '24+66=90'] Exploring Operation: 80+90=170, Resulting Numbers: [170] 170,64 unequal: No Solution Exploring Operation: 80*90=7200, Resulting Numbers: [7200] 7200,64 unequal: No Solution Exploring Operation: 90-80=10, Resulting Numbers: [10] 10,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,0 Current State: 64:[16, 22], Operations: ['82-24=58', '80-58=22'] Exploring Operation: 16+22=38, Resulting Numbers: [38] 38,64 unequal: No Solution Exploring Operation: 16*22=352, Resulting Numbers: [352] 352,64 unequal: No Solution Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,64 unequal: No Solution Moving to Node #0,1,4 Current State: 64:[16, 26], Operations: ['80-24=56', '82-56=26'] Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 16+26=42, Resulting Numbers: [42] 42,64 unequal: No Solution Exploring Operation: 16*26=416, Resulting Numbers: [416] 416,64 unequal: No Solution Moving to Node #0,4,3 Current State: 64:[58, 64], Operations: ['82-24=58', '80-16=64'] Exploring Operation: 58+64=122, Resulting Numbers: [122] 122,64 unequal: No Solution Exploring Operation: 64-58=6, Resulting Numbers: [6] 6,64 unequal: No Solution Exploring Operation: 58*64=3712, Resulting Numbers: [3712] 3712,64 unequal: No Solution Moving to Node #0,4,1 Current State: 64:[58, 5], Operations: ['82-24=58', '80/16=5'] Exploring Operation: 58*5=290, Resulting Numbers: [290] 290,64 unequal: No Solution Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,64 unequal: No Solution Exploring Operation: 58+5=63, Resulting Numbers: [63] 63,64 unequal: No Solution Moving to Node #0,1,0 Current State: 64:[56, 66], Operations: ['80-24=56', '82-16=66'] Exploring Operation: 66-56=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 56*66=3696, Resulting Numbers: [3696] 3696,64 unequal: No Solution Exploring Operation: 56+66=122, Resulting Numbers: [122] 122,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[82, 72], Operations: ['80-24=56', '16+56=72'] Exploring Operation: 82*72=5904, Resulting Numbers: [5904] 5904,64 unequal: No Solution Exploring Operation: 82-72=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 82+72=154, Resulting Numbers: [154] 154,64 unequal: No Solution Moving to Node #0,4,4 Current State: 64:[80, 74], Operations: ['82-24=58', '16+58=74'] Exploring Operation: 80+74=154, Resulting Numbers: [154] 154,64 unequal: No Solution Exploring Operation: 80-74=6, Resulting Numbers: [6] 6,64 unequal: No Solution Exploring Operation: 80*74=5920, Resulting Numbers: [5920] 5920,64 unequal: No Solution Moving to Node #0,4,2 Current State: 64:[80, 42], Operations: ['82-24=58', '58-16=42'] Exploring Operation: 80+42=122, Resulting Numbers: [122] 122,64 unequal: No Solution Exploring Operation: 80-42=38, Resulting Numbers: [38] 38,64 unequal: No Solution Exploring Operation: 80*42=3360, Resulting Numbers: [3360] 3360,64 unequal: No Solution Moving to Node #0,1,3 Current State: 64:[82, 40], Operations: ['80-24=56', '56-16=40'] Exploring Operation: 82-40=42, Resulting Numbers: [42] 42,64 unequal: No Solution Exploring Operation: 82+40=122, Resulting Numbers: [122] 122,64 unequal: No Solution Exploring Operation: 82*40=3280, Resulting Numbers: [3280] 3280,64 unequal: No Solution Moving to Node #0,1,2 Current State: 64:[56, 98], Operations: ['80-24=56', '82+16=98'] Exploring Operation: 56+98=154, Resulting Numbers: [154] 154,64 unequal: No Solution Exploring Operation: 56*98=5488, Resulting Numbers: [5488] 5488,64 unequal: No Solution Exploring Operation: 98-56=42, Resulting Numbers: [42] 42,64 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 51, 37, 3, 78 ]
52
[ "37-3=34", "78*34=2652", "2652/51=52" ]
Current State: 52:[51, 37, 3, 78], Operations: [] Exploring Operation: 37-3=34, Resulting Numbers: [51, 78, 34] Generated Node #2: [51, 78, 34] from Operation: 37-3=34 Current State: 52:[51, 78, 34], Operations: ['37-3=34'] Exploring Operation: 78*34=2652, Resulting Numbers: [51, 2652] Generated Node #3: [51, 2652] from Operation: 78*34=2652 Current State: 52:[51, 2652], Operations: ['37-3=34', '78*34=2652'] Exploring Operation: 2652/51=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[51, 37, 3, 78], Operations: [] Exploring Operation: 78/3=26, Resulting Numbers: [51, 37, 26] Generated Node #0,0: 52:[51, 37, 26] Operation: 78/3=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[51, 37, 26], Operations: ['78/3=26'] Exploring Operation: 51-37=14, Resulting Numbers: [26, 14] Generated Node #0,0,0: 52:[26, 14] Operation: 51-37=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[26, 14], Operations: ['78/3=26', '51-37=14'] Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,52 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
[ 71, 18, 72, 69 ]
65
[ "72-69=3", "18/3=6", "71-6=65" ]
Current State: 65:[71, 18, 72, 69], Operations: [] Exploring Operation: 72-69=3, Resulting Numbers: [71, 18, 3] Generated Node #2: [71, 18, 3] from Operation: 72-69=3 Current State: 65:[71, 18, 3], Operations: ['72-69=3'] Exploring Operation: 18/3=6, Resulting Numbers: [71, 6] Generated Node #3: [71, 6] from Operation: 18/3=6 Current State: 65:[71, 6], Operations: ['72-69=3', '18/3=6'] Exploring Operation: 71-6=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[71, 18, 72, 69], Operations: [] Exploring Operation: 72/18=4, Resulting Numbers: [71, 69, 4] Generated Node #0,0: 65:[71, 69, 4] Operation: 72/18=4 Exploring Operation: 72-71=1, Resulting Numbers: [18, 69, 1] Generated Node #0,1: 65:[18, 69, 1] Operation: 72-71=1 Exploring Operation: 72-69=3, Resulting Numbers: [71, 18, 3] Generated Node #0,2: 65:[71, 18, 3] Operation: 72-69=3 Moving to Node #0,0 Current State: 65:[71, 69, 4], Operations: ['72/18=4'] Exploring Operation: 69-4=65, Resulting Numbers: [71, 65] Generated Node #0,0,0: 65:[71, 65] Operation: 69-4=65 Exploring Operation: 71-69=2, Resulting Numbers: [4, 2] Generated Node #0,0,1: 65:[4, 2] Operation: 71-69=2 Exploring Operation: 71-4=67, Resulting Numbers: [69, 67] Generated Node #0,0,2: 65:[69, 67] Operation: 71-4=67 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[4, 2], Operations: ['72/18=4', '71-69=2'] Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,65 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,65 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:[71, 65], Operations: ['72/18=4', '69-4=65'] Exploring Operation: 71*65=4615, Resulting Numbers: [4615] 4615,65 unequal: No Solution Exploring Operation: 71+65=136, Resulting Numbers: [136] 136,65 unequal: No Solution Exploring Operation: 71-65=6, Resulting Numbers: [6] 6,65 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:[69, 67], Operations: ['72/18=4', '71-4=67'] Exploring Operation: 69-67=2, Resulting Numbers: [2] 2,65 unequal: No Solution Exploring Operation: 69*67=4623, Resulting Numbers: [4623] 4623,65 unequal: No Solution Exploring Operation: 69+67=136, Resulting Numbers: [136] 136,65 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:[18, 69, 1], Operations: ['72-71=1'] Exploring Operation: 69-1=68, Resulting Numbers: [18, 68] Generated Node #0,1,0: 65:[18, 68] Operation: 69-1=68 Exploring Operation: 18-1=17, Resulting Numbers: [69, 17] Generated Node #0,1,1: 65:[69, 17] Operation: 18-1=17 Exploring Operation: 18*1=18, Resulting Numbers: [69, 18] Generated Node #0,1,2: 65:[69, 18] Operation: 18*1=18 Moving to Node #0,2 Current State: 65:[71, 18, 3], Operations: ['72-69=3'] Exploring Operation: 18-3=15, Resulting Numbers: [71, 15] Generated Node #0,2,0: 65:[71, 15] Operation: 18-3=15 Exploring Operation: 71-3=68, Resulting Numbers: [18, 68] Generated Node #0,2,1: 65:[18, 68] Operation: 71-3=68 Exploring Operation: 18/3=6, Resulting Numbers: [71, 6] Generated Node #0,2,2: 65:[71, 6] Operation: 18/3=6 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 65:[71, 6], Operations: ['72-69=3', '18/3=6'] Exploring Operation: 71-6=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[71, 18, 72, 69], Operations: [] Exploring Operation: 72-69=3, Resulting Numbers: [71, 18, 3] Generated Node #0,2: 65:[71, 18, 3] Operation: 72-69=3 Moving to Node #0,2 Current State: 65:[71, 18, 3], Operations: ['72-69=3'] Exploring Operation: 18/3=6, Resulting Numbers: [71, 6] Generated Node #0,2,2: 65:[71, 6] Operation: 18/3=6 Moving to Node #0,2,2 Current State: 65:[71, 6], Operations: ['72-69=3', '18/3=6'] Exploring Operation: 71-6=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 26, 83, 35, 37 ]
37
[ "26+83=109", "35+37=72", "109-72=37" ]
Current State: 37:[26, 83, 35, 37], Operations: [] Exploring Operation: 26+83=109, Resulting Numbers: [35, 37, 109] Generated Node #2: [35, 37, 109] from Operation: 26+83=109 Current State: 37:[35, 37, 109], Operations: ['26+83=109'] Exploring Operation: 35+37=72, Resulting Numbers: [109, 72] Generated Node #3: [109, 72] from Operation: 35+37=72 Current State: 37:[109, 72], Operations: ['26+83=109', '35+37=72'] Exploring Operation: 109-72=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[26, 83, 35, 37], Operations: [] Exploring Operation: 83-26=57, Resulting Numbers: [35, 37, 57] Generated Node #0,0: 37:[35, 37, 57] Operation: 83-26=57 Exploring Operation: 83-37=46, Resulting Numbers: [26, 35, 46] Generated Node #0,1: 37:[26, 35, 46] Operation: 83-37=46 Exploring Operation: 26+83=109, Resulting Numbers: [35, 37, 109] Generated Node #0,2: 37:[35, 37, 109] Operation: 26+83=109 Exploring Operation: 26+35=61, Resulting Numbers: [83, 37, 61] Generated Node #0,3: 37:[83, 37, 61] Operation: 26+35=61 Exploring Operation: 83-35=48, Resulting Numbers: [26, 37, 48] Generated Node #0,4: 37:[26, 37, 48] Operation: 83-35=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[35, 37, 57], Operations: ['83-26=57'] Exploring Operation: 35+57=92, Resulting Numbers: [37, 92] Generated Node #0,0,0: 37:[37, 92] Operation: 35+57=92 Exploring Operation: 35+37=72, Resulting Numbers: [57, 72] Generated Node #0,0,1: 37:[57, 72] Operation: 35+37=72 Exploring Operation: 37-35=2, Resulting Numbers: [57, 2] Generated Node #0,0,2: 37:[57, 2] Operation: 37-35=2 Exploring Operation: 57-37=20, Resulting Numbers: [35, 20] Generated Node #0,0,3: 37:[35, 20] Operation: 57-37=20 Exploring Operation: 57-35=22, Resulting Numbers: [37, 22] Generated Node #0,0,4: 37:[37, 22] Operation: 57-35=22 Moving to Node #0,0,4 Current State: 37:[37, 22], Operations: ['83-26=57', '57-35=22'] Exploring Operation: 37+22=59, Resulting Numbers: [59] 59,37 unequal: No Solution Exploring Operation: 37*22=814, Resulting Numbers: [814] 814,37 unequal: No Solution Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,37 unequal: No Solution Moving to Node #0,0,3 Current State: 37:[35, 20], Operations: ['83-26=57', '57-37=20'] Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 35*20=700, Resulting Numbers: [700] 700,37 unequal: No Solution Exploring Operation: 35+20=55, Resulting Numbers: [55] 55,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[37, 92], Operations: ['83-26=57', '35+57=92'] Exploring Operation: 37*92=3404, Resulting Numbers: [3404] 3404,37 unequal: No Solution Exploring Operation: 92-37=55, Resulting Numbers: [55] 55,37 unequal: No Solution Exploring Operation: 37+92=129, Resulting Numbers: [129] 129,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[57, 72], Operations: ['83-26=57', '35+37=72'] Exploring Operation: 72-57=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 57*72=4104, Resulting Numbers: [4104] 4104,37 unequal: No Solution Exploring Operation: 57+72=129, Resulting Numbers: [129] 129,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[57, 2], Operations: ['83-26=57', '37-35=2'] Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,37 unequal: No Solution Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,37 unequal: No Solution Exploring Operation: 57*2=114, Resulting Numbers: [114] 114,37 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 #0,1 Current State: 37:[26, 35, 46], Operations: ['83-37=46'] Exploring Operation: 26+35=61, Resulting Numbers: [46, 61] Generated Node #0,1,0: 37:[46, 61] Operation: 26+35=61 Exploring Operation: 35-26=9, Resulting Numbers: [46, 9] Generated Node #0,1,1: 37:[46, 9] Operation: 35-26=9 Exploring Operation: 46-35=11, Resulting Numbers: [26, 11] Generated Node #0,1,2: 37:[26, 11] Operation: 46-35=11 Exploring Operation: 46-26=20, Resulting Numbers: [35, 20] Generated Node #0,1,3: 37:[35, 20] Operation: 46-26=20 Exploring Operation: 26+46=72, Resulting Numbers: [35, 72] Generated Node #0,1,4: 37:[35, 72] Operation: 26+46=72 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 37:[35, 20], Operations: ['83-37=46', '46-26=20'] Exploring Operation: 35*20=700, Resulting Numbers: [700] 700,37 unequal: No Solution Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 35+20=55, Resulting Numbers: [55] 55,37 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: 37:[46, 61], Operations: ['83-37=46', '26+35=61'] Exploring Operation: 46+61=107, Resulting Numbers: [107] 107,37 unequal: No Solution Exploring Operation: 46*61=2806, Resulting Numbers: [2806] 2806,37 unequal: No Solution Exploring Operation: 61-46=15, Resulting Numbers: [15] 15,37 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: 37:[46, 9], Operations: ['83-37=46', '35-26=9'] Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[26, 83, 35, 37], Operations: [] Exploring Operation: 83-37=46, Resulting Numbers: [26, 35, 46] Generated Node #0,1: 37:[26, 35, 46] Operation: 83-37=46 Moving to Node #0,1 Current State: 37:[26, 35, 46], Operations: ['83-37=46'] Exploring Operation: 35-26=9, Resulting Numbers: [46, 9] Generated Node #0,1,1: 37:[46, 9] Operation: 35-26=9 Moving to Node #0,1,1 Current State: 37:[46, 9], Operations: ['83-37=46', '35-26=9'] Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96441
hs_5
mult_heuristic
[ 61, 42, 10, 59 ]
11
[ "61-59=2", "42/2=21", "21-10=11" ]
Current State: 11:[61, 42, 10, 59], Operations: [] Exploring Operation: 61-59=2, Resulting Numbers: [42, 10, 2] Generated Node #2: [42, 10, 2] from Operation: 61-59=2 Current State: 11:[42, 10, 2], Operations: ['61-59=2'] Exploring Operation: 42/2=21, Resulting Numbers: [10, 21] Generated Node #3: [10, 21] from Operation: 42/2=21 Current State: 11:[10, 21], Operations: ['61-59=2', '42/2=21'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[61, 42, 10, 59], Operations: [] Exploring Operation: 61-59=2, Resulting Numbers: [42, 10, 2] Generated Node #0,0: 11:[42, 10, 2] Operation: 61-59=2 Moving to Node #0,0 Current State: 11:[42, 10, 2], Operations: ['61-59=2'] Exploring Operation: 42/2=21, Resulting Numbers: [10, 21] Generated Node #0,0,0: 11:[10, 21] Operation: 42/2=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 11:[10, 21], Operations: ['61-59=2', '42/2=21'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[61, 42, 10, 59], Operations: [] Exploring Operation: 61-59=2, Resulting Numbers: [42, 10, 2] Generated Node #0,0: 11:[42, 10, 2] Operation: 61-59=2 Moving to Node #0,0 Current State: 11:[42, 10, 2], Operations: ['61-59=2'] Exploring Operation: 42/2=21, Resulting Numbers: [10, 21] Generated Node #0,0,0: 11:[10, 21] Operation: 42/2=21 Moving to Node #0,0,0 Current State: 11:[10, 21], Operations: ['61-59=2', '42/2=21'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 74, 95, 92, 83 ]
93
[ "74+92=166", "166/83=2", "95-2=93" ]
Current State: 93:[74, 95, 92, 83], Operations: [] Exploring Operation: 74+92=166, Resulting Numbers: [95, 83, 166] Generated Node #2: [95, 83, 166] from Operation: 74+92=166 Current State: 93:[95, 83, 166], Operations: ['74+92=166'] Exploring Operation: 166/83=2, Resulting Numbers: [95, 2] Generated Node #3: [95, 2] from Operation: 166/83=2 Current State: 93:[95, 2], Operations: ['74+92=166', '166/83=2'] Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[74, 95, 92, 83], Operations: [] Exploring Operation: 95-74=21, Resulting Numbers: [92, 83, 21] Generated Node #0,0: 93:[92, 83, 21] Operation: 95-74=21 Exploring Operation: 83-74=9, Resulting Numbers: [95, 92, 9] Generated Node #0,1: 93:[95, 92, 9] Operation: 83-74=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[95, 92, 9], Operations: ['83-74=9'] Exploring Operation: 95-9=86, Resulting Numbers: [92, 86] Generated Node #0,1,0: 93:[92, 86] Operation: 95-9=86 Exploring Operation: 95-92=3, Resulting Numbers: [9, 3] Generated Node #0,1,1: 93:[9, 3] Operation: 95-92=3 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 93:[9, 3], Operations: ['83-74=9', '95-92=3'] Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,93 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: 93:[92, 86], Operations: ['83-74=9', '95-9=86'] Exploring Operation: 92+86=178, Resulting Numbers: [178] 178,93 unequal: No Solution Exploring Operation: 92-86=6, Resulting Numbers: [6] 6,93 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: 93:[92, 83, 21], Operations: ['95-74=21'] Exploring Operation: 92-83=9, Resulting Numbers: [21, 9] Generated Node #0,0,0: 93:[21, 9] Operation: 92-83=9 Exploring Operation: 83+21=104, Resulting Numbers: [92, 104] Generated Node #0,0,1: 93:[92, 104] Operation: 83+21=104 Moving to Node #0,0,1 Current State: 93:[92, 104], Operations: ['95-74=21', '83+21=104'] Exploring Operation: 104-92=12, Resulting Numbers: [12] 12,93 unequal: No Solution Exploring Operation: 92+104=196, Resulting Numbers: [196] 196,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[21, 9], Operations: ['95-74=21', '92-83=9'] Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,93 unequal: No Solution Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,93 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
[ 86, 43, 41, 93 ]
11
[ "86/43=2", "41*2=82", "93-82=11" ]
Current State: 11:[86, 43, 41, 93], Operations: [] Exploring Operation: 86/43=2, Resulting Numbers: [41, 93, 2] Generated Node #2: [41, 93, 2] from Operation: 86/43=2 Current State: 11:[41, 93, 2], Operations: ['86/43=2'] Exploring Operation: 41*2=82, Resulting Numbers: [93, 82] Generated Node #3: [93, 82] from Operation: 41*2=82 Current State: 11:[93, 82], Operations: ['86/43=2', '41*2=82'] Exploring Operation: 93-82=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[86, 43, 41, 93], Operations: [] Exploring Operation: 86-41=45, Resulting Numbers: [43, 93, 45] Generated Node #0,0: 11:[43, 93, 45] Operation: 86-41=45 Exploring Operation: 86-43=43, Resulting Numbers: [41, 93, 43] Generated Node #0,1: 11:[41, 93, 43] Operation: 86-43=43 Exploring Operation: 93-86=7, Resulting Numbers: [43, 41, 7] Generated Node #0,2: 11:[43, 41, 7] Operation: 93-86=7 Exploring Operation: 93-43=50, Resulting Numbers: [86, 41, 50] Generated Node #0,3: 11:[86, 41, 50] Operation: 93-43=50 Exploring Operation: 86/43=2, Resulting Numbers: [41, 93, 2] Generated Node #0,4: 11:[41, 93, 2] Operation: 86/43=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[43, 41, 7], Operations: ['93-86=7'] Exploring Operation: 43+7=50, Resulting Numbers: [41, 50] Generated Node #0,2,0: 11:[41, 50] Operation: 43+7=50 Exploring Operation: 43-41=2, Resulting Numbers: [7, 2] Generated Node #0,2,1: 11:[7, 2] Operation: 43-41=2 Exploring Operation: 41+7=48, Resulting Numbers: [43, 48] Generated Node #0,2,2: 11:[43, 48] Operation: 41+7=48 Exploring Operation: 41-7=34, Resulting Numbers: [43, 34] Generated Node #0,2,3: 11:[43, 34] Operation: 41-7=34 Exploring Operation: 43-7=36, Resulting Numbers: [41, 36] Generated Node #0,2,4: 11:[41, 36] Operation: 43-7=36 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 11:[7, 2], Operations: ['93-86=7', '43-41=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,11 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,11 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: 11:[43, 34], Operations: ['93-86=7', '41-7=34'] Exploring Operation: 43-34=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 43*34=1462, Resulting Numbers: [1462] 1462,11 unequal: No Solution Exploring Operation: 43+34=77, Resulting Numbers: [77] 77,11 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: 11:[41, 36], Operations: ['93-86=7', '43-7=36'] Exploring Operation: 41*36=1476, Resulting Numbers: [1476] 1476,11 unequal: No Solution Exploring Operation: 41-36=5, Resulting Numbers: [5] 5,11 unequal: No Solution Exploring Operation: 41+36=77, Resulting Numbers: [77] 77,11 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: 11:[41, 50], Operations: ['93-86=7', '43+7=50'] Exploring Operation: 41+50=91, Resulting Numbers: [91] 91,11 unequal: No Solution Exploring Operation: 50-41=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 41*50=2050, Resulting Numbers: [2050] 2050,11 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: 11:[43, 48], Operations: ['93-86=7', '41+7=48'] Exploring Operation: 43*48=2064, Resulting Numbers: [2064] 2064,11 unequal: No Solution Exploring Operation: 43+48=91, Resulting Numbers: [91] 91,11 unequal: No Solution Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,11 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: 11:[41, 93, 2], Operations: ['86/43=2'] Exploring Operation: 93-41=52, Resulting Numbers: [2, 52] Generated Node #0,4,0: 11:[2, 52] Operation: 93-41=52 Exploring Operation: 93-2=91, Resulting Numbers: [41, 91] Generated Node #0,4,1: 11:[41, 91] Operation: 93-2=91 Exploring Operation: 93+2=95, Resulting Numbers: [41, 95] Generated Node #0,4,2: 11:[41, 95] Operation: 93+2=95 Exploring Operation: 41+2=43, Resulting Numbers: [93, 43] Generated Node #0,4,3: 11:[93, 43] Operation: 41+2=43 Exploring Operation: 41-2=39, Resulting Numbers: [93, 39] Generated Node #0,4,4: 11:[93, 39] Operation: 41-2=39 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 11:[2, 52], Operations: ['86/43=2', '93-41=52'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,11 unequal: No Solution Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,11 unequal: No Solution Exploring Operation: 2*52=104, Resulting Numbers: [104] 104,11 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,11 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: 11:[41, 91], Operations: ['86/43=2', '93-2=91'] Exploring Operation: 41+91=132, Resulting Numbers: [132] 132,11 unequal: No Solution Exploring Operation: 91-41=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 41*91=3731, Resulting Numbers: [3731] 3731,11 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: 11:[93, 39], Operations: ['86/43=2', '41-2=39'] Exploring Operation: 93+39=132, Resulting Numbers: [132] 132,11 unequal: No Solution Exploring Operation: 93-39=54, Resulting Numbers: [54] 54,11 unequal: No Solution Exploring Operation: 93*39=3627, Resulting Numbers: [3627] 3627,11 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: 11:[41, 95], Operations: ['86/43=2', '93+2=95'] Exploring Operation: 41+95=136, Resulting Numbers: [136] 136,11 unequal: No Solution Exploring Operation: 95-41=54, Resulting Numbers: [54] 54,11 unequal: No Solution Exploring Operation: 41*95=3895, Resulting Numbers: [3895] 3895,11 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: 11:[93, 43], Operations: ['86/43=2', '41+2=43'] Exploring Operation: 93*43=3999, Resulting Numbers: [3999] 3999,11 unequal: No Solution Exploring Operation: 93+43=136, Resulting Numbers: [136] 136,11 unequal: No Solution Exploring Operation: 93-43=50, Resulting Numbers: [50] 50,11 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: 11:[41, 93, 43], Operations: ['86-43=43'] Exploring Operation: 93-43=50, Resulting Numbers: [41, 50] Generated Node #0,1,0: 11:[41, 50] Operation: 93-43=50 Exploring Operation: 93-41=52, Resulting Numbers: [43, 52] Generated Node #0,1,1: 11:[43, 52] Operation: 93-41=52 Exploring Operation: 41+93=134, Resulting Numbers: [43, 134] Generated Node #0,1,2: 11:[43, 134] Operation: 41+93=134 Exploring Operation: 41+43=84, Resulting Numbers: [93, 84] Generated Node #0,1,3: 11:[93, 84] Operation: 41+43=84 Exploring Operation: 43-41=2, Resulting Numbers: [93, 2] Generated Node #0,1,4: 11:[93, 2] Operation: 43-41=2 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 11:[41, 50], Operations: ['86-43=43', '93-43=50'] Exploring Operation: 41+50=91, Resulting Numbers: [91] 91,11 unequal: No Solution Exploring Operation: 50-41=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 41*50=2050, Resulting Numbers: [2050] 2050,11 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: 11:[43, 52], Operations: ['86-43=43', '93-41=52'] Exploring Operation: 52-43=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 43*52=2236, Resulting Numbers: [2236] 2236,11 unequal: No Solution Exploring Operation: 43+52=95, Resulting Numbers: [95] 95,11 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: 11:[93, 2], Operations: ['86-43=43', '43-41=2'] Exploring Operation: 93-2=91, Resulting Numbers: [91] 91,11 unequal: No Solution Exploring Operation: 93+2=95, Resulting Numbers: [95] 95,11 unequal: No Solution Exploring Operation: 93*2=186, Resulting Numbers: [186] 186,11 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: 11:[43, 134], Operations: ['86-43=43', '41+93=134'] Exploring Operation: 134-43=91, Resulting Numbers: [91] 91,11 unequal: No Solution Exploring Operation: 43*134=5762, Resulting Numbers: [5762] 5762,11 unequal: No Solution Exploring Operation: 43+134=177, Resulting Numbers: [177] 177,11 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: 11:[93, 84], Operations: ['86-43=43', '41+43=84'] Exploring Operation: 93*84=7812, Resulting Numbers: [7812] 7812,11 unequal: No Solution Exploring Operation: 93-84=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 93+84=177, Resulting Numbers: [177] 177,11 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: 11:[86, 41, 50], Operations: ['93-43=50'] Exploring Operation: 86-50=36, Resulting Numbers: [41, 36] Generated Node #0,3,0: 11:[41, 36] Operation: 86-50=36 Exploring Operation: 86-41=45, Resulting Numbers: [50, 45] Generated Node #0,3,1: 11:[50, 45] Operation: 86-41=45 Exploring Operation: 50-41=9, Resulting Numbers: [86, 9] Generated Node #0,3,2: 11:[86, 9] Operation: 50-41=9 Exploring Operation: 86+50=136, Resulting Numbers: [41, 136] Generated Node #0,3,3: 11:[41, 136] Operation: 86+50=136 Exploring Operation: 86+41=127, Resulting Numbers: [50, 127] Generated Node #0,3,4: 11:[50, 127] Operation: 86+41=127 Moving to Node #0,3,0 Current State: 11:[41, 36], Operations: ['93-43=50', '86-50=36'] Exploring Operation: 41+36=77, Resulting Numbers: [77] 77,11 unequal: No Solution Exploring Operation: 41*36=1476, Resulting Numbers: [1476] 1476,11 unequal: No Solution Exploring Operation: 41-36=5, Resulting Numbers: [5] 5,11 unequal: No Solution Moving to Node #0,3,1 Current State: 11:[50, 45], Operations: ['93-43=50', '86-41=45'] Exploring Operation: 50-45=5, Resulting Numbers: [5] 5,11 unequal: No Solution Exploring Operation: 50+45=95, Resulting Numbers: [95] 95,11 unequal: No Solution Exploring Operation: 50*45=2250, Resulting Numbers: [2250] 2250,11 unequal: No Solution Moving to Node #0,3,2 Current State: 11:[86, 9], Operations: ['93-43=50', '50-41=9'] Exploring Operation: 86+9=95, Resulting Numbers: [95] 95,11 unequal: No Solution Exploring Operation: 86-9=77, Resulting Numbers: [77] 77,11 unequal: No Solution Exploring Operation: 86*9=774, Resulting Numbers: [774] 774,11 unequal: No Solution Moving to Node #0,3,3 Current State: 11:[41, 136], Operations: ['93-43=50', '86+50=136'] Exploring Operation: 41*136=5576, Resulting Numbers: [5576] 5576,11 unequal: No Solution Exploring Operation: 136-41=95, Resulting Numbers: [95] 95,11 unequal: No Solution Exploring Operation: 41+136=177, Resulting Numbers: [177] 177,11 unequal: No Solution Moving to Node #0,3,4 Current State: 11:[50, 127], Operations: ['93-43=50', '86+41=127'] Exploring Operation: 127-50=77, Resulting Numbers: [77] 77,11 unequal: No Solution Exploring Operation: 50*127=6350, Resulting Numbers: [6350] 6350,11 unequal: No Solution Exploring Operation: 50+127=177, Resulting Numbers: [177] 177,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[43, 93, 45], Operations: ['86-41=45'] Exploring Operation: 43+45=88, Resulting Numbers: [93, 88] Generated Node #0,0,0: 11:[93, 88] Operation: 43+45=88 Exploring Operation: 93-43=50, Resulting Numbers: [45, 50] Generated Node #0,0,1: 11:[45, 50] Operation: 93-43=50 Exploring Operation: 93-45=48, Resulting Numbers: [43, 48] Generated Node #0,0,2: 11:[43, 48] Operation: 93-45=48 Exploring Operation: 43+93=136, Resulting Numbers: [45, 136] Generated Node #0,0,3: 11:[45, 136] Operation: 43+93=136 Exploring Operation: 45-43=2, Resulting Numbers: [93, 2] Generated Node #0,0,4: 11:[93, 2] Operation: 45-43=2 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 11:[43, 48], Operations: ['86-41=45', '93-45=48'] Exploring Operation: 43+48=91, Resulting Numbers: [91] 91,11 unequal: No Solution Exploring Operation: 43*48=2064, Resulting Numbers: [2064] 2064,11 unequal: No Solution Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,11 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: 11:[45, 50], Operations: ['86-41=45', '93-43=50'] Exploring Operation: 50-45=5, Resulting Numbers: [5] 5,11 unequal: No Solution Exploring Operation: 45*50=2250, Resulting Numbers: [2250] 2250,11 unequal: No Solution Exploring Operation: 45+50=95, Resulting Numbers: [95] 95,11 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: 11:[93, 2], Operations: ['86-41=45', '45-43=2'] Exploring Operation: 93-2=91, Resulting Numbers: [91] 91,11 unequal: No Solution Exploring Operation: 93+2=95, Resulting Numbers: [95] 95,11 unequal: No Solution Exploring Operation: 93*2=186, Resulting Numbers: [186] 186,11 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: 11:[93, 88], Operations: ['86-41=45', '43+45=88'] Exploring Operation: 93+88=181, Resulting Numbers: [181] 181,11 unequal: No Solution Exploring Operation: 93*88=8184, Resulting Numbers: [8184] 8184,11 unequal: No Solution Exploring Operation: 93-88=5, Resulting Numbers: [5] 5,11 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: 11:[45, 136], Operations: ['86-41=45', '43+93=136'] Exploring Operation: 45+136=181, Resulting Numbers: [181] 181,11 unequal: No Solution Exploring Operation: 45*136=6120, Resulting Numbers: [6120] 6120,11 unequal: No Solution Exploring Operation: 136-45=91, Resulting Numbers: [91] 91,11 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
[ 26, 95, 12, 85 ]
34
[ "26+12=38", "85*38=3230", "3230/95=34" ]
Current State: 34:[26, 95, 12, 85], Operations: [] Exploring Operation: 26+12=38, Resulting Numbers: [95, 85, 38] Generated Node #2: [95, 85, 38] from Operation: 26+12=38 Current State: 34:[95, 85, 38], Operations: ['26+12=38'] Exploring Operation: 85*38=3230, Resulting Numbers: [95, 3230] Generated Node #3: [95, 3230] from Operation: 85*38=3230 Current State: 34:[95, 3230], Operations: ['26+12=38', '85*38=3230'] Exploring Operation: 3230/95=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[26, 95, 12, 85], Operations: [] Exploring Operation: 95-85=10, Resulting Numbers: [26, 12, 10] Generated Node #0,0: 34:[26, 12, 10] Operation: 95-85=10 Exploring Operation: 95-26=69, Resulting Numbers: [12, 85, 69] Generated Node #0,1: 34:[12, 85, 69] Operation: 95-26=69 Moving to Node #0,0 Current State: 34:[26, 12, 10], Operations: ['95-85=10'] Exploring Operation: 26+10=36, Resulting Numbers: [12, 36] Generated Node #0,0,0: 34:[12, 36] Operation: 26+10=36 Exploring Operation: 26-10=16, Resulting Numbers: [12, 16] Generated Node #0,0,1: 34:[12, 16] Operation: 26-10=16 Moving to Node #0,1 Current State: 34:[12, 85, 69], Operations: ['95-26=69'] Exploring Operation: 85-69=16, Resulting Numbers: [12, 16] Generated Node #0,1,0: 34:[12, 16] Operation: 85-69=16 Exploring Operation: 85-12=73, Resulting Numbers: [69, 73] Generated Node #0,1,1: 34:[69, 73] Operation: 85-12=73 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[12, 16], Operations: ['95-26=69', '85-69=16'] Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,34 unequal: No Solution Exploring Operation: 12+16=28, Resulting Numbers: [28] 28,34 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:[69, 73], Operations: ['95-26=69', '85-12=73'] Exploring Operation: 73-69=4, Resulting Numbers: [4] 4,34 unequal: No Solution Exploring Operation: 69+73=142, Resulting Numbers: [142] 142,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 34:[12, 16], Operations: ['95-85=10', '26-10=16'] Exploring Operation: 12+16=28, Resulting Numbers: [28] 28,34 unequal: No Solution Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[12, 36], Operations: ['95-85=10', '26+10=36'] Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,34 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,34 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 5, 58, 34, 60 ]
89
[ "5+58=63", "60-34=26", "63+26=89" ]
Current State: 89:[5, 58, 34, 60], Operations: [] Exploring Operation: 5+58=63, Resulting Numbers: [34, 60, 63] Generated Node #2: [34, 60, 63] from Operation: 5+58=63 Current State: 89:[34, 60, 63], Operations: ['5+58=63'] Exploring Operation: 60-34=26, Resulting Numbers: [63, 26] Generated Node #3: [63, 26] from Operation: 60-34=26 Current State: 89:[63, 26], Operations: ['5+58=63', '60-34=26'] Exploring Operation: 63+26=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[5, 58, 34, 60], Operations: [] Exploring Operation: 5+60=65, Resulting Numbers: [58, 34, 65] Generated Node #0,0: 89:[58, 34, 65] Operation: 5+60=65 Exploring Operation: 58+34=92, Resulting Numbers: [5, 60, 92] Generated Node #0,1: 89:[5, 60, 92] Operation: 58+34=92 Exploring Operation: 5+34=39, Resulting Numbers: [58, 60, 39] Generated Node #0,2: 89:[58, 60, 39] Operation: 5+34=39 Exploring Operation: 5+58=63, Resulting Numbers: [34, 60, 63] Generated Node #0,3: 89:[34, 60, 63] Operation: 5+58=63 Moving to Node #0,0 Current State: 89:[58, 34, 65], Operations: ['5+60=65'] Exploring Operation: 34+65=99, Resulting Numbers: [58, 99] Generated Node #0,0,0: 89:[58, 99] Operation: 34+65=99 Exploring Operation: 58+65=123, Resulting Numbers: [34, 123] Generated Node #0,0,1: 89:[34, 123] Operation: 58+65=123 Exploring Operation: 58-34=24, Resulting Numbers: [65, 24] Generated Node #0,0,2: 89:[65, 24] Operation: 58-34=24 Exploring Operation: 58+34=92, Resulting Numbers: [65, 92] Generated Node #0,0,3: 89:[65, 92] Operation: 58+34=92 Moving to Node #0,3 Current State: 89:[34, 60, 63], Operations: ['5+58=63'] Exploring Operation: 63-34=29, Resulting Numbers: [60, 29] Generated Node #0,3,0: 89:[60, 29] Operation: 63-34=29 Exploring Operation: 60-34=26, Resulting Numbers: [63, 26] Generated Node #0,3,1: 89:[63, 26] Operation: 60-34=26 Exploring Operation: 34+60=94, Resulting Numbers: [63, 94] Generated Node #0,3,2: 89:[63, 94] Operation: 34+60=94 Exploring Operation: 34+63=97, Resulting Numbers: [60, 97] Generated Node #0,3,3: 89:[60, 97] Operation: 34+63=97 Moving to Node #0,2 Current State: 89:[58, 60, 39], Operations: ['5+34=39'] Exploring Operation: 58+39=97, Resulting Numbers: [60, 97] Generated Node #0,2,0: 89:[60, 97] Operation: 58+39=97 Exploring Operation: 60+39=99, Resulting Numbers: [58, 99] Generated Node #0,2,1: 89:[58, 99] Operation: 60+39=99 Exploring Operation: 58-39=19, Resulting Numbers: [60, 19] Generated Node #0,2,2: 89:[60, 19] Operation: 58-39=19 Exploring Operation: 58+60=118, Resulting Numbers: [39, 118] Generated Node #0,2,3: 89:[39, 118] Operation: 58+60=118 Moving to Node #0,1 Current State: 89:[5, 60, 92], Operations: ['58+34=92'] Exploring Operation: 60-5=55, Resulting Numbers: [92, 55] Generated Node #0,1,0: 89:[92, 55] Operation: 60-5=55 Exploring Operation: 92-5=87, Resulting Numbers: [60, 87] Generated Node #0,1,1: 89:[60, 87] Operation: 92-5=87 Exploring Operation: 5+92=97, Resulting Numbers: [60, 97] Generated Node #0,1,2: 89:[60, 97] Operation: 5+92=97 Exploring Operation: 5+60=65, Resulting Numbers: [92, 65] Generated Node #0,1,3: 89:[92, 65] Operation: 5+60=65 Moving to Node #0,0,3 Current State: 89:[65, 92], Operations: ['5+60=65', '58+34=92'] Exploring Operation: 65+92=157, Resulting Numbers: [157] 157,89 unequal: No Solution Exploring Operation: 92-65=27, Resulting Numbers: [27] 27,89 unequal: No Solution Exploring Operation: 65*92=5980, Resulting Numbers: [5980] 5980,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[92, 65], Operations: ['58+34=92', '5+60=65'] Exploring Operation: 92-65=27, Resulting Numbers: [27] 27,89 unequal: No Solution Exploring Operation: 92*65=5980, Resulting Numbers: [5980] 5980,89 unequal: No Solution Exploring Operation: 92+65=157, Resulting Numbers: [157] 157,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[60, 87], Operations: ['58+34=92', '92-5=87'] Exploring Operation: 60*87=5220, Resulting Numbers: [5220] 5220,89 unequal: No Solution Exploring Operation: 60+87=147, Resulting Numbers: [147] 147,89 unequal: No Solution Exploring Operation: 87-60=27, Resulting Numbers: [27] 27,89 unequal: No Solution Moving to Node #0,3,2 Current State: 89:[63, 94], Operations: ['5+58=63', '34+60=94'] Exploring Operation: 94-63=31, Resulting Numbers: [31] 31,89 unequal: No Solution Exploring Operation: 63+94=157, Resulting Numbers: [157] 157,89 unequal: No Solution Exploring Operation: 63*94=5922, Resulting Numbers: [5922] 5922,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[92, 55], Operations: ['58+34=92', '60-5=55'] Exploring Operation: 92-55=37, Resulting Numbers: [37] 37,89 unequal: No Solution Exploring Operation: 92*55=5060, Resulting Numbers: [5060] 5060,89 unequal: No Solution Exploring Operation: 92+55=147, Resulting Numbers: [147] 147,89 unequal: No Solution Moving to Node #0,3,3 Current State: 89:[60, 97], Operations: ['5+58=63', '34+63=97'] Exploring Operation: 60+97=157, Resulting Numbers: [157] 157,89 unequal: No Solution Exploring Operation: 60*97=5820, Resulting Numbers: [5820] 5820,89 unequal: No Solution Exploring Operation: 97-60=37, Resulting Numbers: [37] 37,89 unequal: No Solution Moving to Node #0,2,0 Current State: 89:[60, 97], Operations: ['5+34=39', '58+39=97'] Exploring Operation: 60+97=157, Resulting Numbers: [157] 157,89 unequal: No Solution Exploring Operation: 97-60=37, Resulting Numbers: [37] 37,89 unequal: No Solution Exploring Operation: 60*97=5820, Resulting Numbers: [5820] 5820,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[60, 97], Operations: ['58+34=92', '5+92=97'] Exploring Operation: 60+97=157, Resulting Numbers: [157] 157,89 unequal: No Solution Exploring Operation: 60*97=5820, Resulting Numbers: [5820] 5820,89 unequal: No Solution Exploring Operation: 97-60=37, Resulting Numbers: [37] 37,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[58, 99], Operations: ['5+60=65', '34+65=99'] Exploring Operation: 58*99=5742, Resulting Numbers: [5742] 5742,89 unequal: No Solution Exploring Operation: 58+99=157, Resulting Numbers: [157] 157,89 unequal: No Solution Exploring Operation: 99-58=41, Resulting Numbers: [41] 41,89 unequal: No Solution Moving to Node #0,2,1 Current State: 89:[58, 99], Operations: ['5+34=39', '60+39=99'] Exploring Operation: 99-58=41, Resulting Numbers: [41] 41,89 unequal: No Solution Exploring Operation: 58+99=157, Resulting Numbers: [157] 157,89 unequal: No Solution Exploring Operation: 58*99=5742, Resulting Numbers: [5742] 5742,89 unequal: No Solution Moving to Node #0,2,3 Current State: 89:[39, 118], Operations: ['5+34=39', '58+60=118'] Exploring Operation: 39+118=157, Resulting Numbers: [157] 157,89 unequal: No Solution Exploring Operation: 39*118=4602, Resulting Numbers: [4602] 4602,89 unequal: No Solution Exploring Operation: 118-39=79, Resulting Numbers: [79] 79,89 unequal: No Solution Moving to Node #0,3,0 Current State: 89:[60, 29], Operations: ['5+58=63', '63-34=29'] Exploring Operation: 60*29=1740, Resulting Numbers: [1740] 1740,89 unequal: No Solution Exploring Operation: 60+29=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[5, 58, 34, 60], Operations: [] Exploring Operation: 5+58=63, Resulting Numbers: [34, 60, 63] Generated Node #0,3: 89:[34, 60, 63] Operation: 5+58=63 Moving to Node #0,3 Current State: 89:[34, 60, 63], Operations: ['5+58=63'] Exploring Operation: 63-34=29, Resulting Numbers: [60, 29] Generated Node #0,3,0: 89:[60, 29] Operation: 63-34=29 Moving to Node #0,3,0 Current State: 89:[60, 29], Operations: ['5+58=63', '63-34=29'] Exploring Operation: 60+29=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
0.948785
hs_4
sum_heuristic
[ 58, 23, 57, 30 ]
35
[ "58+57=115", "115/23=5", "30+5=35" ]
Current State: 35:[58, 23, 57, 30], Operations: [] Exploring Operation: 58+57=115, Resulting Numbers: [23, 30, 115] Generated Node #2: [23, 30, 115] from Operation: 58+57=115 Current State: 35:[23, 30, 115], Operations: ['58+57=115'] Exploring Operation: 115/23=5, Resulting Numbers: [30, 5] Generated Node #3: [30, 5] from Operation: 115/23=5 Current State: 35:[30, 5], Operations: ['58+57=115', '115/23=5'] Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[58, 23, 57, 30], Operations: [] Exploring Operation: 58-23=35, Resulting Numbers: [57, 30, 35] Generated Node #0,0: 35:[57, 30, 35] Operation: 58-23=35 Exploring Operation: 58-57=1, Resulting Numbers: [23, 30, 1] Generated Node #0,1: 35:[23, 30, 1] Operation: 58-57=1 Exploring Operation: 57-23=34, Resulting Numbers: [58, 30, 34] Generated Node #0,2: 35:[58, 30, 34] Operation: 57-23=34 Moving to Node #0,1 Current State: 35:[23, 30, 1], Operations: ['58-57=1'] Exploring Operation: 30-23=7, Resulting Numbers: [1, 7] Generated Node #0,1,0: 35:[1, 7] Operation: 30-23=7 Exploring Operation: 30+1=31, Resulting Numbers: [23, 31] Generated Node #0,1,1: 35:[23, 31] Operation: 30+1=31 Exploring Operation: 23+1=24, Resulting Numbers: [30, 24] Generated Node #0,1,2: 35:[30, 24] Operation: 23+1=24 Moving to Node #0,0 Current State: 35:[57, 30, 35], Operations: ['58-23=35'] Exploring Operation: 35-30=5, Resulting Numbers: [57, 5] Generated Node #0,0,0: 35:[57, 5] Operation: 35-30=5 Exploring Operation: 57-35=22, Resulting Numbers: [30, 22] Generated Node #0,0,1: 35:[30, 22] Operation: 57-35=22 Exploring Operation: 57-30=27, Resulting Numbers: [35, 27] Generated Node #0,0,2: 35:[35, 27] Operation: 57-30=27 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 35:[35, 27], Operations: ['58-23=35', '57-30=27'] Exploring Operation: 35+27=62, Resulting Numbers: [62] 62,35 unequal: No Solution Exploring Operation: 35-27=8, Resulting Numbers: [8] 8,35 unequal: No Solution Exploring Operation: 35*27=945, Resulting Numbers: [945] 945,35 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 #0,0,1 Current State: 35:[30, 22], Operations: ['58-23=35', '57-35=22'] Exploring Operation: 30*22=660, Resulting Numbers: [660] 660,35 unequal: No Solution Exploring Operation: 30+22=52, Resulting Numbers: [52] 52,35 unequal: No Solution Exploring Operation: 30-22=8, Resulting Numbers: [8] 8,35 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:[57, 5], Operations: ['58-23=35', '35-30=5'] Exploring Operation: 57*5=285, Resulting Numbers: [285] 285,35 unequal: No Solution Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,35 unequal: No Solution Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,35 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: 35:[58, 30, 34], Operations: ['57-23=34'] Exploring Operation: 58-34=24, Resulting Numbers: [30, 24] Generated Node #0,2,0: 35:[30, 24] Operation: 58-34=24 Exploring Operation: 58-30=28, Resulting Numbers: [34, 28] Generated Node #0,2,1: 35:[34, 28] Operation: 58-30=28 Exploring Operation: 34-30=4, Resulting Numbers: [58, 4] Generated Node #0,2,2: 35:[58, 4] Operation: 34-30=4 Moving to Node #0,1,0 Current State: 35:[1, 7], Operations: ['58-57=1', '30-23=7'] Exploring Operation: 1*7=7, Resulting Numbers: [7] 7,35 unequal: No Solution Exploring Operation: 1+7=8, Resulting Numbers: [8] 8,35 unequal: No Solution Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,35 unequal: No Solution Moving to Node #0,2,1 Current State: 35:[34, 28], Operations: ['57-23=34', '58-30=28'] Exploring Operation: 34+28=62, Resulting Numbers: [62] 62,35 unequal: No Solution Exploring Operation: 34*28=952, Resulting Numbers: [952] 952,35 unequal: No Solution Exploring Operation: 34-28=6, Resulting Numbers: [6] 6,35 unequal: No Solution Moving to Node #0,1,2 Current State: 35:[30, 24], Operations: ['58-57=1', '23+1=24'] Exploring Operation: 30+24=54, Resulting Numbers: [54] 54,35 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 30*24=720, Resulting Numbers: [720] 720,35 unequal: No Solution Moving to Node #0,2,0 Current State: 35:[30, 24], Operations: ['57-23=34', '58-34=24'] Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 30*24=720, Resulting Numbers: [720] 720,35 unequal: No Solution Exploring Operation: 30+24=54, Resulting Numbers: [54] 54,35 unequal: No Solution Moving to Node #0,1,1 Current State: 35:[23, 31], Operations: ['58-57=1', '30+1=31'] Exploring Operation: 31-23=8, Resulting Numbers: [8] 8,35 unequal: No Solution Exploring Operation: 23*31=713, Resulting Numbers: [713] 713,35 unequal: No Solution Exploring Operation: 23+31=54, Resulting Numbers: [54] 54,35 unequal: No Solution Moving to Node #0,2,2 Current State: 35:[58, 4], Operations: ['57-23=34', '34-30=4'] Exploring Operation: 58+4=62, Resulting Numbers: [62] 62,35 unequal: No Solution Exploring Operation: 58*4=232, Resulting Numbers: [232] 232,35 unequal: No Solution Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,35 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 28, 97, 24, 22 ]
23
[ "97-28=69", "24+22=46", "69-46=23" ]
Current State: 23:[28, 97, 24, 22], Operations: [] Exploring Operation: 97-28=69, Resulting Numbers: [24, 22, 69] Generated Node #2: [24, 22, 69] from Operation: 97-28=69 Current State: 23:[24, 22, 69], Operations: ['97-28=69'] Exploring Operation: 24+22=46, Resulting Numbers: [69, 46] Generated Node #3: [69, 46] from Operation: 24+22=46 Current State: 23:[69, 46], Operations: ['97-28=69', '24+22=46'] Exploring Operation: 69-46=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[28, 97, 24, 22], Operations: [] Exploring Operation: 97-28=69, Resulting Numbers: [24, 22, 69] Generated Node #0,0: 23:[24, 22, 69] Operation: 97-28=69 Exploring Operation: 97-24=73, Resulting Numbers: [28, 22, 73] Generated Node #0,1: 23:[28, 22, 73] Operation: 97-24=73 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[24, 22, 69], Operations: ['97-28=69'] Exploring Operation: 69-22=47, Resulting Numbers: [24, 47] Generated Node #0,0,0: 23:[24, 47] Operation: 69-22=47 Exploring Operation: 69-24=45, Resulting Numbers: [22, 45] Generated Node #0,0,1: 23:[22, 45] Operation: 69-24=45 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[22, 45], Operations: ['97-28=69', '69-24=45'] Exploring Operation: 22+45=67, Resulting Numbers: [67] 67,23 unequal: No Solution Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[28, 97, 24, 22], Operations: [] Exploring Operation: 97-28=69, Resulting Numbers: [24, 22, 69] Generated Node #0,0: 23:[24, 22, 69] Operation: 97-28=69 Moving to Node #0,0 Current State: 23:[24, 22, 69], Operations: ['97-28=69'] Exploring Operation: 69-24=45, Resulting Numbers: [22, 45] Generated Node #0,0,1: 23:[22, 45] Operation: 69-24=45 Moving to Node #0,0,1 Current State: 23:[22, 45], Operations: ['97-28=69', '69-24=45'] Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 43, 46, 23, 46 ]
20
[ "43+46=89", "23+46=69", "89-69=20" ]
Current State: 20:[43, 46, 23, 46], Operations: [] Exploring Operation: 43+46=89, Resulting Numbers: [23, 89] Generated Node #2: [23, 89] from Operation: 43+46=89 Current State: 20:[23, 89], Operations: ['43+46=89'] Exploring Operation: 23+46=69, Resulting Numbers: [89, 69] Generated Node #3: [89, 69] from Operation: 23+46=69 Current State: 20:[89, 69], Operations: ['43+46=89', '23+46=69'] Exploring Operation: 89-69=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[43, 46, 23, 46], Operations: [] Exploring Operation: 46/46=1, Resulting Numbers: [43, 23, 1] Generated Node #0,0: 20:[43, 23, 1] Operation: 46/46=1 Moving to Node #0,0 Current State: 20:[43, 23, 1], Operations: ['46/46=1'] Exploring Operation: 43-23=20, Resulting Numbers: [1, 20] Generated Node #0,0,0: 20:[1, 20] Operation: 43-23=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[1, 20], Operations: ['46/46=1', '43-23=20'] Exploring Operation: 1*20=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[43, 46, 23, 46], Operations: [] Exploring Operation: 46/46=1, Resulting Numbers: [43, 23, 1] Generated Node #0,0: 20:[43, 23, 1] Operation: 46/46=1 Moving to Node #0,0 Current State: 20:[43, 23, 1], Operations: ['46/46=1'] Exploring Operation: 43-23=20, Resulting Numbers: [1, 20] Generated Node #0,0,0: 20:[1, 20] Operation: 43-23=20 Moving to Node #0,0,0 Current State: 20:[1, 20], Operations: ['46/46=1', '43-23=20'] Exploring Operation: 1*20=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 6, 14, 86, 1 ]
66
[ "6+14=20", "86*1=86", "86-20=66" ]
Current State: 66:[6, 14, 86, 1], Operations: [] Exploring Operation: 6+14=20, Resulting Numbers: [86, 1, 20] Generated Node #2: [86, 1, 20] from Operation: 6+14=20 Current State: 66:[86, 1, 20], Operations: ['6+14=20'] Exploring Operation: 86*1=86, Resulting Numbers: [20, 86] Generated Node #3: [20, 86] from Operation: 86*1=86 Current State: 66:[20, 86], Operations: ['6+14=20', '86*1=86'] Exploring Operation: 86-20=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[6, 14, 86, 1], Operations: [] Exploring Operation: 86-6=80, Resulting Numbers: [14, 1, 80] Generated Node #0,0: 66:[14, 1, 80] Operation: 86-6=80 Exploring Operation: 86-14=72, Resulting Numbers: [6, 1, 72] Generated Node #0,1: 66:[6, 1, 72] Operation: 86-14=72 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[6, 1, 72], Operations: ['86-14=72'] Exploring Operation: 72-6=66, Resulting Numbers: [1, 66] Generated Node #0,1,0: 66:[1, 66] Operation: 72-6=66 Exploring Operation: 72/6=12, Resulting Numbers: [1, 12] Generated Node #0,1,1: 66:[1, 12] Operation: 72/6=12 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 66:[1, 66], Operations: ['86-14=72', '72-6=66'] Exploring Operation: 1*66=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[6, 14, 86, 1], Operations: [] Exploring Operation: 86-14=72, Resulting Numbers: [6, 1, 72] Generated Node #0,1: 66:[6, 1, 72] Operation: 86-14=72 Moving to Node #0,1 Current State: 66:[6, 1, 72], Operations: ['86-14=72'] Exploring Operation: 72-6=66, Resulting Numbers: [1, 66] Generated Node #0,1,0: 66:[1, 66] Operation: 72-6=66 Moving to Node #0,1,0 Current State: 66:[1, 66], Operations: ['86-14=72', '72-6=66'] Exploring Operation: 1*66=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 87, 88, 5, 68 ]
17
[ "88-87=1", "5-1=4", "68/4=17" ]
Current State: 17:[87, 88, 5, 68], Operations: [] Exploring Operation: 88-87=1, Resulting Numbers: [5, 68, 1] Generated Node #2: [5, 68, 1] from Operation: 88-87=1 Current State: 17:[5, 68, 1], Operations: ['88-87=1'] Exploring Operation: 5-1=4, Resulting Numbers: [68, 4] Generated Node #3: [68, 4] from Operation: 5-1=4 Current State: 17:[68, 4], Operations: ['88-87=1', '5-1=4'] Exploring Operation: 68/4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[87, 88, 5, 68], Operations: [] Exploring Operation: 87-5=82, Resulting Numbers: [88, 68, 82] Generated Node #0,0: 17:[88, 68, 82] Operation: 87-5=82 Exploring Operation: 87-68=19, Resulting Numbers: [88, 5, 19] Generated Node #0,1: 17:[88, 5, 19] Operation: 87-68=19 Exploring Operation: 88-68=20, Resulting Numbers: [87, 5, 20] Generated Node #0,2: 17:[87, 5, 20] Operation: 88-68=20 Exploring Operation: 88-87=1, Resulting Numbers: [5, 68, 1] Generated Node #0,3: 17:[5, 68, 1] Operation: 88-87=1 Moving to Node #0,3 Current State: 17:[5, 68, 1], Operations: ['88-87=1'] Exploring Operation: 68-1=67, Resulting Numbers: [5, 67] Generated Node #0,3,0: 17:[5, 67] Operation: 68-1=67 Exploring Operation: 5*1=5, Resulting Numbers: [68, 5] Generated Node #0,3,1: 17:[68, 5] Operation: 5*1=5 Exploring Operation: 68-5=63, Resulting Numbers: [1, 63] Generated Node #0,3,2: 17:[1, 63] Operation: 68-5=63 Exploring Operation: 5+1=6, Resulting Numbers: [68, 6] Generated Node #0,3,3: 17:[68, 6] Operation: 5+1=6 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 17:[5, 67], Operations: ['88-87=1', '68-1=67'] Exploring Operation: 5*67=335, Resulting Numbers: [335] 335,17 unequal: No Solution Exploring Operation: 5+67=72, Resulting Numbers: [72] 72,17 unequal: No Solution Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,17 unequal: No Solution No 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: 17:[1, 63], Operations: ['88-87=1', '68-5=63'] Exploring Operation: 1+63=64, Resulting Numbers: [64] 64,17 unequal: No Solution Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,17 unequal: No Solution Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 1*63=63, Resulting Numbers: [63] 63,17 unequal: No Solution No 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: 17:[68, 6], Operations: ['88-87=1', '5+1=6'] Exploring Operation: 68+6=74, Resulting Numbers: [74] 74,17 unequal: No Solution Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 68*6=408, Resulting Numbers: [408] 408,17 unequal: No Solution No 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: 17:[68, 5], Operations: ['88-87=1', '5*1=5'] Exploring Operation: 68+5=73, Resulting Numbers: [73] 73,17 unequal: No Solution Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,17 unequal: No Solution Exploring Operation: 68*5=340, Resulting Numbers: [340] 340,17 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: 17:[87, 5, 20], Operations: ['88-68=20'] Exploring Operation: 20-5=15, Resulting Numbers: [87, 15] Generated Node #0,2,0: 17:[87, 15] Operation: 20-5=15 Exploring Operation: 87+5=92, Resulting Numbers: [20, 92] Generated Node #0,2,1: 17:[20, 92] Operation: 87+5=92 Exploring Operation: 87-5=82, Resulting Numbers: [20, 82] Generated Node #0,2,2: 17:[20, 82] Operation: 87-5=82 Exploring Operation: 87-20=67, Resulting Numbers: [5, 67] Generated Node #0,2,3: 17:[5, 67] Operation: 87-20=67 Moving to Node #0,1 Current State: 17:[88, 5, 19], Operations: ['87-68=19'] Exploring Operation: 88+5=93, Resulting Numbers: [19, 93] Generated Node #0,1,0: 17:[19, 93] Operation: 88+5=93 Exploring Operation: 88-19=69, Resulting Numbers: [5, 69] Generated Node #0,1,1: 17:[5, 69] Operation: 88-19=69 Exploring Operation: 88-5=83, Resulting Numbers: [19, 83] Generated Node #0,1,2: 17:[19, 83] Operation: 88-5=83 Exploring Operation: 19-5=14, Resulting Numbers: [88, 14] Generated Node #0,1,3: 17:[88, 14] Operation: 19-5=14 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 17:[5, 69], Operations: ['87-68=19', '88-19=69'] Exploring Operation: 5*69=345, Resulting Numbers: [345] 345,17 unequal: No Solution Exploring Operation: 69-5=64, Resulting Numbers: [64] 64,17 unequal: No Solution Exploring Operation: 5+69=74, Resulting Numbers: [74] 74,17 unequal: No Solution No 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: 17:[19, 83], Operations: ['87-68=19', '88-5=83'] Exploring Operation: 83-19=64, Resulting Numbers: [64] 64,17 unequal: No Solution Exploring Operation: 19+83=102, Resulting Numbers: [102] 102,17 unequal: No Solution Exploring Operation: 19*83=1577, Resulting Numbers: [1577] 1577,17 unequal: No Solution No 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: 17:[88, 14], Operations: ['87-68=19', '19-5=14'] Exploring Operation: 88-14=74, Resulting Numbers: [74] 74,17 unequal: No Solution Exploring Operation: 88*14=1232, Resulting Numbers: [1232] 1232,17 unequal: No Solution Exploring Operation: 88+14=102, Resulting Numbers: [102] 102,17 unequal: No Solution No 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: 17:[19, 93], Operations: ['87-68=19', '88+5=93'] Exploring Operation: 93-19=74, Resulting Numbers: [74] 74,17 unequal: No Solution Exploring Operation: 19*93=1767, Resulting Numbers: [1767] 1767,17 unequal: No Solution Exploring Operation: 19+93=112, Resulting Numbers: [112] 112,17 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: 17:[88, 68, 82], Operations: ['87-5=82'] Exploring Operation: 88-68=20, Resulting Numbers: [82, 20] Generated Node #0,0,0: 17:[82, 20] Operation: 88-68=20 Exploring Operation: 88+68=156, Resulting Numbers: [82, 156] Generated Node #0,0,1: 17:[82, 156] Operation: 88+68=156 Exploring Operation: 88-82=6, Resulting Numbers: [68, 6] Generated Node #0,0,2: 17:[68, 6] Operation: 88-82=6 Exploring Operation: 82-68=14, Resulting Numbers: [88, 14] Generated Node #0,0,3: 17:[88, 14] Operation: 82-68=14 Moving to Node #0,2,3 Current State: 17:[5, 67], Operations: ['88-68=20', '87-20=67'] Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 5*67=335, Resulting Numbers: [335] 335,17 unequal: No Solution Exploring Operation: 5+67=72, Resulting Numbers: [72] 72,17 unequal: No Solution Moving to Node #0,0,2 Current State: 17:[68, 6], Operations: ['87-5=82', '88-82=6'] Exploring Operation: 68+6=74, Resulting Numbers: [74] 74,17 unequal: No Solution Exploring Operation: 68*6=408, Resulting Numbers: [408] 408,17 unequal: No Solution Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,17 unequal: No Solution Moving to Node #0,0,0 Current State: 17:[82, 20], Operations: ['87-5=82', '88-68=20'] Exploring Operation: 82-20=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 82*20=1640, Resulting Numbers: [1640] 1640,17 unequal: No Solution Exploring Operation: 82+20=102, Resulting Numbers: [102] 102,17 unequal: No Solution Moving to Node #0,2,2 Current State: 17:[20, 82], Operations: ['88-68=20', '87-5=82'] Exploring Operation: 20+82=102, Resulting Numbers: [102] 102,17 unequal: No Solution Exploring Operation: 20*82=1640, Resulting Numbers: [1640] 1640,17 unequal: No Solution Exploring Operation: 82-20=62, Resulting Numbers: [62] 62,17 unequal: No Solution Moving to Node #0,2,0 Current State: 17:[87, 15], Operations: ['88-68=20', '20-5=15'] Exploring Operation: 87+15=102, Resulting Numbers: [102] 102,17 unequal: No Solution Exploring Operation: 87*15=1305, Resulting Numbers: [1305] 1305,17 unequal: No Solution Exploring Operation: 87-15=72, Resulting Numbers: [72] 72,17 unequal: No Solution Moving to Node #0,0,3 Current State: 17:[88, 14], Operations: ['87-5=82', '82-68=14'] Exploring Operation: 88*14=1232, Resulting Numbers: [1232] 1232,17 unequal: No Solution Exploring Operation: 88+14=102, Resulting Numbers: [102] 102,17 unequal: No Solution Exploring Operation: 88-14=74, Resulting Numbers: [74] 74,17 unequal: No Solution Moving to Node #0,2,1 Current State: 17:[20, 92], Operations: ['88-68=20', '87+5=92'] Exploring Operation: 20+92=112, Resulting Numbers: [112] 112,17 unequal: No Solution Exploring Operation: 20*92=1840, Resulting Numbers: [1840] 1840,17 unequal: No Solution Exploring Operation: 92-20=72, Resulting Numbers: [72] 72,17 unequal: No Solution Moving to Node #0,0,1 Current State: 17:[82, 156], Operations: ['87-5=82', '88+68=156'] Exploring Operation: 82*156=12792, Resulting Numbers: [12792] 12792,17 unequal: No Solution Exploring Operation: 156-82=74, Resulting Numbers: [74] 74,17 unequal: No Solution Exploring Operation: 82+156=238, Resulting Numbers: [238] 238,17 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 90, 1, 30, 93 ]
97
[ "90/30=3", "1+93=94", "3+94=97" ]
Current State: 97:[90, 1, 30, 93], Operations: [] Exploring Operation: 90/30=3, Resulting Numbers: [1, 93, 3] Generated Node #2: [1, 93, 3] from Operation: 90/30=3 Current State: 97:[1, 93, 3], Operations: ['90/30=3'] Exploring Operation: 1+93=94, Resulting Numbers: [3, 94] Generated Node #3: [3, 94] from Operation: 1+93=94 Current State: 97:[3, 94], Operations: ['90/30=3', '1+93=94'] Exploring Operation: 3+94=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[90, 1, 30, 93], Operations: [] Exploring Operation: 90/1=90, Resulting Numbers: [30, 93, 90] Generated Node #0,0: 97:[30, 93, 90] Operation: 90/1=90 Exploring Operation: 90+1=91, Resulting Numbers: [30, 93, 91] Generated Node #0,1: 97:[30, 93, 91] Operation: 90+1=91 Exploring Operation: 1+93=94, Resulting Numbers: [90, 30, 94] Generated Node #0,2: 97:[90, 30, 94] Operation: 1+93=94 Exploring Operation: 90*1=90, Resulting Numbers: [30, 93, 90] Generated Node #0,3: 97:[30, 93, 90] Operation: 90*1=90 Exploring Operation: 1+30=31, Resulting Numbers: [90, 93, 31] Generated Node #0,4: 97:[90, 93, 31] Operation: 1+30=31 Moving to Node #0,1 Current State: 97:[30, 93, 91], Operations: ['90+1=91'] Exploring Operation: 30+93=123, Resulting Numbers: [91, 123] Generated Node #0,1,0: 97:[91, 123] Operation: 30+93=123 Exploring Operation: 93+91=184, Resulting Numbers: [30, 184] Generated Node #0,1,1: 97:[30, 184] Operation: 93+91=184 Exploring Operation: 91-30=61, Resulting Numbers: [93, 61] Generated Node #0,1,2: 97:[93, 61] Operation: 91-30=61 Exploring Operation: 93-30=63, Resulting Numbers: [91, 63] Generated Node #0,1,3: 97:[91, 63] Operation: 93-30=63 Exploring Operation: 30+91=121, Resulting Numbers: [93, 121] Generated Node #0,1,4: 97:[93, 121] Operation: 30+91=121 Moving to Node #0,4 Current State: 97:[90, 93, 31], Operations: ['1+30=31'] Exploring Operation: 93-31=62, Resulting Numbers: [90, 62] Generated Node #0,4,0: 97:[90, 62] Operation: 93-31=62 Exploring Operation: 90-31=59, Resulting Numbers: [93, 59] Generated Node #0,4,1: 97:[93, 59] Operation: 90-31=59 Exploring Operation: 93+31=124, Resulting Numbers: [90, 124] Generated Node #0,4,2: 97:[90, 124] Operation: 93+31=124 Exploring Operation: 93/31=3, Resulting Numbers: [90, 3] Generated Node #0,4,3: 97:[90, 3] Operation: 93/31=3 Exploring Operation: 90+31=121, Resulting Numbers: [93, 121] Generated Node #0,4,4: 97:[93, 121] Operation: 90+31=121 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 97:[93, 121], Operations: ['1+30=31', '90+31=121'] Exploring Operation: 121-93=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 93+121=214, Resulting Numbers: [214] 214,97 unequal: No Solution Exploring Operation: 93*121=11253, Resulting Numbers: [11253] 11253,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 97:[90, 124], Operations: ['1+30=31', '93+31=124'] Exploring Operation: 124-90=34, Resulting Numbers: [34] 34,97 unequal: No Solution Exploring Operation: 90*124=11160, Resulting Numbers: [11160] 11160,97 unequal: No Solution Exploring Operation: 90+124=214, Resulting Numbers: [214] 214,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 97:[90, 62], Operations: ['1+30=31', '93-31=62'] Exploring Operation: 90*62=5580, Resulting Numbers: [5580] 5580,97 unequal: No Solution Exploring Operation: 90+62=152, Resulting Numbers: [152] 152,97 unequal: No Solution Exploring Operation: 90-62=28, Resulting Numbers: [28] 28,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 97:[93, 59], Operations: ['1+30=31', '90-31=59'] Exploring Operation: 93*59=5487, Resulting Numbers: [5487] 5487,97 unequal: No Solution Exploring Operation: 93+59=152, Resulting Numbers: [152] 152,97 unequal: No Solution Exploring Operation: 93-59=34, Resulting Numbers: [34] 34,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 97:[90, 3], Operations: ['1+30=31', '93/31=3'] Exploring Operation: 90+3=93, Resulting Numbers: [93] 93,97 unequal: No Solution Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,97 unequal: No Solution Exploring Operation: 90/3=30, Resulting Numbers: [30] 30,97 unequal: No Solution Exploring Operation: 90*3=270, Resulting Numbers: [270] 270,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 97:[90, 30, 94], Operations: ['1+93=94'] Exploring Operation: 30+94=124, Resulting Numbers: [90, 124] Generated Node #0,2,0: 97:[90, 124] Operation: 30+94=124 Exploring Operation: 90/30=3, Resulting Numbers: [94, 3] Generated Node #0,2,1: 97:[94, 3] Operation: 90/30=3 Exploring Operation: 94-30=64, Resulting Numbers: [90, 64] Generated Node #0,2,2: 97:[90, 64] Operation: 94-30=64 Exploring Operation: 90+30=120, Resulting Numbers: [94, 120] Generated Node #0,2,3: 97:[94, 120] Operation: 90+30=120 Exploring Operation: 90-30=60, Resulting Numbers: [94, 60] Generated Node #0,2,4: 97:[94, 60] Operation: 90-30=60 Moving to Node #0,0 Current State: 97:[30, 93, 90], Operations: ['90/1=90'] Exploring Operation: 30+90=120, Resulting Numbers: [93, 120] Generated Node #0,0,0: 97:[93, 120] Operation: 30+90=120 Exploring Operation: 90/30=3, Resulting Numbers: [93, 3] Generated Node #0,0,1: 97:[93, 3] Operation: 90/30=3 Exploring Operation: 30+93=123, Resulting Numbers: [90, 123] Generated Node #0,0,2: 97:[90, 123] Operation: 30+93=123 Exploring Operation: 93-30=63, Resulting Numbers: [90, 63] Generated Node #0,0,3: 97:[90, 63] Operation: 93-30=63 Exploring Operation: 90-30=60, Resulting Numbers: [93, 60] Generated Node #0,0,4: 97:[93, 60] Operation: 90-30=60 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[93, 120], Operations: ['90/1=90', '30+90=120'] Exploring Operation: 120-93=27, Resulting Numbers: [27] 27,97 unequal: No Solution Exploring Operation: 93*120=11160, Resulting Numbers: [11160] 11160,97 unequal: No Solution Exploring Operation: 93+120=213, Resulting Numbers: [213] 213,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[90, 123], Operations: ['90/1=90', '30+93=123'] Exploring Operation: 123-90=33, Resulting Numbers: [33] 33,97 unequal: No Solution Exploring Operation: 90*123=11070, Resulting Numbers: [11070] 11070,97 unequal: No Solution Exploring Operation: 90+123=213, Resulting Numbers: [213] 213,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 97:[90, 63], Operations: ['90/1=90', '93-30=63'] Exploring Operation: 90*63=5670, Resulting Numbers: [5670] 5670,97 unequal: No Solution Exploring Operation: 90-63=27, Resulting Numbers: [27] 27,97 unequal: No Solution Exploring Operation: 90+63=153, Resulting Numbers: [153] 153,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 97:[93, 60], Operations: ['90/1=90', '90-30=60'] Exploring Operation: 93*60=5580, Resulting Numbers: [5580] 5580,97 unequal: No Solution Exploring Operation: 93+60=153, Resulting Numbers: [153] 153,97 unequal: No Solution Exploring Operation: 93-60=33, Resulting Numbers: [33] 33,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[93, 3], Operations: ['90/1=90', '90/30=3'] Exploring Operation: 93*3=279, Resulting Numbers: [279] 279,97 unequal: No Solution Exploring Operation: 93+3=96, Resulting Numbers: [96] 96,97 unequal: No Solution Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,97 unequal: No Solution Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,97 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: 97:[30, 93, 90], Operations: ['90*1=90'] Exploring Operation: 30+90=120, Resulting Numbers: [93, 120] Generated Node #0,3,0: 97:[93, 120] Operation: 30+90=120 Exploring Operation: 30+93=123, Resulting Numbers: [90, 123] Generated Node #0,3,1: 97:[90, 123] Operation: 30+93=123 Exploring Operation: 93-30=63, Resulting Numbers: [90, 63] Generated Node #0,3,2: 97:[90, 63] Operation: 93-30=63 Exploring Operation: 90/30=3, Resulting Numbers: [93, 3] Generated Node #0,3,3: 97:[93, 3] Operation: 90/30=3 Exploring Operation: 90-30=60, Resulting Numbers: [93, 60] Generated Node #0,3,4: 97:[93, 60] Operation: 90-30=60 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 97:[93, 120], Operations: ['90*1=90', '30+90=120'] Exploring Operation: 120-93=27, Resulting Numbers: [27] 27,97 unequal: No Solution Exploring Operation: 93+120=213, Resulting Numbers: [213] 213,97 unequal: No Solution Exploring Operation: 93*120=11160, Resulting Numbers: [11160] 11160,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 97:[90, 123], Operations: ['90*1=90', '30+93=123'] Exploring Operation: 90*123=11070, Resulting Numbers: [11070] 11070,97 unequal: No Solution Exploring Operation: 123-90=33, Resulting Numbers: [33] 33,97 unequal: No Solution Exploring Operation: 90+123=213, Resulting Numbers: [213] 213,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 97:[90, 63], Operations: ['90*1=90', '93-30=63'] Exploring Operation: 90*63=5670, Resulting Numbers: [5670] 5670,97 unequal: No Solution Exploring Operation: 90+63=153, Resulting Numbers: [153] 153,97 unequal: No Solution Exploring Operation: 90-63=27, Resulting Numbers: [27] 27,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 97:[93, 60], Operations: ['90*1=90', '90-30=60'] Exploring Operation: 93*60=5580, Resulting Numbers: [5580] 5580,97 unequal: No Solution Exploring Operation: 93+60=153, Resulting Numbers: [153] 153,97 unequal: No Solution Exploring Operation: 93-60=33, Resulting Numbers: [33] 33,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 97:[93, 3], Operations: ['90*1=90', '90/30=3'] Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,97 unequal: No Solution Exploring Operation: 93*3=279, Resulting Numbers: [279] 279,97 unequal: No Solution Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,97 unequal: No Solution Exploring Operation: 93+3=96, Resulting Numbers: [96] 96,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 97:[94, 120], Operations: ['1+93=94', '90+30=120'] Exploring Operation: 94*120=11280, Resulting Numbers: [11280] 11280,97 unequal: No Solution Exploring Operation: 94+120=214, Resulting Numbers: [214] 214,97 unequal: No Solution Exploring Operation: 120-94=26, Resulting Numbers: [26] 26,97 unequal: No Solution Moving to Node #0,1,4 Current State: 97:[93, 121], Operations: ['90+1=91', '30+91=121'] Exploring Operation: 93*121=11253, Resulting Numbers: [11253] 11253,97 unequal: No Solution Exploring Operation: 121-93=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 93+121=214, Resulting Numbers: [214] 214,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[91, 123], Operations: ['90+1=91', '30+93=123'] Exploring Operation: 91*123=11193, Resulting Numbers: [11193] 11193,97 unequal: No Solution Exploring Operation: 123-91=32, Resulting Numbers: [32] 32,97 unequal: No Solution Exploring Operation: 91+123=214, Resulting Numbers: [214] 214,97 unequal: No Solution Moving to Node #0,2,0 Current State: 97:[90, 124], Operations: ['1+93=94', '30+94=124'] Exploring Operation: 90+124=214, Resulting Numbers: [214] 214,97 unequal: No Solution Exploring Operation: 124-90=34, Resulting Numbers: [34] 34,97 unequal: No Solution Exploring Operation: 90*124=11160, Resulting Numbers: [11160] 11160,97 unequal: No Solution Moving to Node #0,1,2 Current State: 97:[93, 61], Operations: ['90+1=91', '91-30=61'] Exploring Operation: 93*61=5673, Resulting Numbers: [5673] 5673,97 unequal: No Solution Exploring Operation: 93+61=154, Resulting Numbers: [154] 154,97 unequal: No Solution Exploring Operation: 93-61=32, Resulting Numbers: [32] 32,97 unequal: No Solution Moving to Node #0,2,4 Current State: 97:[94, 60], Operations: ['1+93=94', '90-30=60'] Exploring Operation: 94+60=154, Resulting Numbers: [154] 154,97 unequal: No Solution Exploring Operation: 94-60=34, Resulting Numbers: [34] 34,97 unequal: No Solution Exploring Operation: 94*60=5640, Resulting Numbers: [5640] 5640,97 unequal: No Solution Moving to Node #0,1,3 Current State: 97:[91, 63], Operations: ['90+1=91', '93-30=63'] Exploring Operation: 91-63=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 91*63=5733, Resulting Numbers: [5733] 5733,97 unequal: No Solution Exploring Operation: 91+63=154, Resulting Numbers: [154] 154,97 unequal: No Solution Moving to Node #0,2,2 Current State: 97:[90, 64], Operations: ['1+93=94', '94-30=64'] Exploring Operation: 90-64=26, Resulting Numbers: [26] 26,97 unequal: No Solution Exploring Operation: 90+64=154, Resulting Numbers: [154] 154,97 unequal: No Solution Exploring Operation: 90*64=5760, Resulting Numbers: [5760] 5760,97 unequal: No Solution Moving to Node #0,2,1 Current State: 97:[94, 3], Operations: ['1+93=94', '90/30=3'] Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,97 unequal: No Solution Exploring Operation: 94*3=282, Resulting Numbers: [282] 282,97 unequal: No Solution Exploring Operation: 94+3=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[90, 1, 30, 93], Operations: [] Exploring Operation: 1+93=94, Resulting Numbers: [90, 30, 94] Generated Node #0,2: 97:[90, 30, 94] Operation: 1+93=94 Moving to Node #0,2 Current State: 97:[90, 30, 94], Operations: ['1+93=94'] Exploring Operation: 90/30=3, Resulting Numbers: [94, 3] Generated Node #0,2,1: 97:[94, 3] Operation: 90/30=3 Moving to Node #0,2,1 Current State: 97:[94, 3], Operations: ['1+93=94', '90/30=3'] Exploring Operation: 94+3=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
0.905382
hs_5
sum_heuristic
[ 11, 9, 28, 76 ]
66
[ "11-9=2", "76/2=38", "28+38=66" ]
Current State: 66:[11, 9, 28, 76], Operations: [] Exploring Operation: 11-9=2, Resulting Numbers: [28, 76, 2] Generated Node #2: [28, 76, 2] from Operation: 11-9=2 Current State: 66:[28, 76, 2], Operations: ['11-9=2'] Exploring Operation: 76/2=38, Resulting Numbers: [28, 38] Generated Node #3: [28, 38] from Operation: 76/2=38 Current State: 66:[28, 38], Operations: ['11-9=2', '76/2=38'] Exploring Operation: 28+38=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[11, 9, 28, 76], Operations: [] Exploring Operation: 76-9=67, Resulting Numbers: [11, 28, 67] Generated Node #0,0: 66:[11, 28, 67] Operation: 76-9=67 Moving to Node #0,0 Current State: 66:[11, 28, 67], Operations: ['76-9=67'] Exploring Operation: 28-11=17, Resulting Numbers: [67, 17] Generated Node #0,0,0: 66:[67, 17] Operation: 28-11=17 Moving to Node #0,0,0 Current State: 66:[67, 17], Operations: ['76-9=67', '28-11=17'] Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,66 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 6, 86, 82, 73 ]
75
[ "86-6=80", "82+73=155", "155-80=75" ]
Current State: 75:[6, 86, 82, 73], Operations: [] Exploring Operation: 86-6=80, Resulting Numbers: [82, 73, 80] Generated Node #2: [82, 73, 80] from Operation: 86-6=80 Current State: 75:[82, 73, 80], Operations: ['86-6=80'] Exploring Operation: 82+73=155, Resulting Numbers: [80, 155] Generated Node #3: [80, 155] from Operation: 82+73=155 Current State: 75:[80, 155], Operations: ['86-6=80', '82+73=155'] Exploring Operation: 155-80=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[6, 86, 82, 73], Operations: [] Exploring Operation: 86-6=80, Resulting Numbers: [82, 73, 80] Generated Node #0,0: 75:[82, 73, 80] Operation: 86-6=80 Exploring Operation: 86-82=4, Resulting Numbers: [6, 73, 4] Generated Node #0,1: 75:[6, 73, 4] Operation: 86-82=4 Exploring Operation: 86-73=13, Resulting Numbers: [6, 82, 13] Generated Node #0,2: 75:[6, 82, 13] Operation: 86-73=13 Moving to Node #0,1 Current State: 75:[6, 73, 4], Operations: ['86-82=4'] Exploring Operation: 6-4=2, Resulting Numbers: [73, 2] Generated Node #0,1,0: 75:[73, 2] Operation: 6-4=2 Exploring Operation: 6*4=24, Resulting Numbers: [73, 24] Generated Node #0,1,1: 75:[73, 24] Operation: 6*4=24 Exploring Operation: 73+4=77, Resulting Numbers: [6, 77] Generated Node #0,1,2: 75:[6, 77] Operation: 73+4=77 Moving to Node #0,2 Current State: 75:[6, 82, 13], Operations: ['86-73=13'] Exploring Operation: 82-13=69, Resulting Numbers: [6, 69] Generated Node #0,2,0: 75:[6, 69] Operation: 82-13=69 Exploring Operation: 82-6=76, Resulting Numbers: [13, 76] Generated Node #0,2,1: 75:[13, 76] Operation: 82-6=76 Exploring Operation: 13-6=7, Resulting Numbers: [82, 7] Generated Node #0,2,2: 75:[82, 7] Operation: 13-6=7 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 75:[13, 76], Operations: ['86-73=13', '82-6=76'] Exploring Operation: 76-13=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 13*76=988, Resulting Numbers: [988] 988,75 unequal: No Solution Exploring Operation: 13+76=89, Resulting Numbers: [89] 89,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 75:[6, 69], Operations: ['86-73=13', '82-13=69'] Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 6+69=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[6, 86, 82, 73], Operations: [] Exploring Operation: 86-73=13, Resulting Numbers: [6, 82, 13] Generated Node #0,2: 75:[6, 82, 13] Operation: 86-73=13 Moving to Node #0,2 Current State: 75:[6, 82, 13], Operations: ['86-73=13'] Exploring Operation: 82-13=69, Resulting Numbers: [6, 69] Generated Node #0,2,0: 75:[6, 69] Operation: 82-13=69 Moving to Node #0,2,0 Current State: 75:[6, 69], Operations: ['86-73=13', '82-13=69'] Exploring Operation: 6+69=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 34, 20, 26, 10 ]
58
[ "34+26=60", "20/10=2", "60-2=58" ]
Current State: 58:[34, 20, 26, 10], Operations: [] Exploring Operation: 34+26=60, Resulting Numbers: [20, 10, 60] Generated Node #2: [20, 10, 60] from Operation: 34+26=60 Current State: 58:[20, 10, 60], Operations: ['34+26=60'] Exploring Operation: 20/10=2, Resulting Numbers: [60, 2] Generated Node #3: [60, 2] from Operation: 20/10=2 Current State: 58:[60, 2], Operations: ['34+26=60', '20/10=2'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[34, 20, 26, 10], Operations: [] Exploring Operation: 20-10=10, Resulting Numbers: [34, 26, 10] Generated Node #0,0: 58:[34, 26, 10] Operation: 20-10=10 Exploring Operation: 20+10=30, Resulting Numbers: [34, 26, 30] Generated Node #0,1: 58:[34, 26, 30] Operation: 20+10=30 Exploring Operation: 34+20=54, Resulting Numbers: [26, 10, 54] Generated Node #0,2: 58:[26, 10, 54] Operation: 34+20=54 Exploring Operation: 20/10=2, Resulting Numbers: [34, 26, 2] Generated Node #0,3: 58:[34, 26, 2] Operation: 20/10=2 Exploring Operation: 34-10=24, Resulting Numbers: [20, 26, 24] Generated Node #0,4: 58:[20, 26, 24] Operation: 34-10=24 Start Sub Search at level 1: Moving to Node #0,3 Current State: 58:[34, 26, 2], Operations: ['20/10=2'] Exploring Operation: 26+2=28, Resulting Numbers: [34, 28] Generated Node #0,3,0: 58:[34, 28] Operation: 26+2=28 Exploring Operation: 34-2=32, Resulting Numbers: [26, 32] Generated Node #0,3,1: 58:[26, 32] Operation: 34-2=32 Exploring Operation: 34+2=36, Resulting Numbers: [26, 36] Generated Node #0,3,2: 58:[26, 36] Operation: 34+2=36 Exploring Operation: 34-26=8, Resulting Numbers: [2, 8] Generated Node #0,3,3: 58:[2, 8] Operation: 34-26=8 Exploring Operation: 34+26=60, Resulting Numbers: [2, 60] Generated Node #0,3,4: 58:[2, 60] Operation: 34+26=60 Moving to Node #0,3,4 Current State: 58:[2, 60], Operations: ['20/10=2', '34+26=60'] Exploring Operation: 2*60=120, Resulting Numbers: [120] 120,58 unequal: No Solution Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,58 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[34, 20, 26, 10], Operations: [] Exploring Operation: 20/10=2, Resulting Numbers: [34, 26, 2] Generated Node #0,3: 58:[34, 26, 2] Operation: 20/10=2 Moving to Node #0,3 Current State: 58:[34, 26, 2], Operations: ['20/10=2'] Exploring Operation: 34+26=60, Resulting Numbers: [2, 60] Generated Node #0,3,4: 58:[2, 60] Operation: 34+26=60 Moving to Node #0,3,4 Current State: 58:[2, 60], Operations: ['20/10=2', '34+26=60'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 90, 84, 12, 62 ]
60
[ "90-84=6", "12/6=2", "62-2=60" ]
Current State: 60:[90, 84, 12, 62], Operations: [] Exploring Operation: 90-84=6, Resulting Numbers: [12, 62, 6] Generated Node #2: [12, 62, 6] from Operation: 90-84=6 Current State: 60:[12, 62, 6], Operations: ['90-84=6'] Exploring Operation: 12/6=2, Resulting Numbers: [62, 2] Generated Node #3: [62, 2] from Operation: 12/6=2 Current State: 60:[62, 2], Operations: ['90-84=6', '12/6=2'] Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[90, 84, 12, 62], Operations: [] Exploring Operation: 90-84=6, Resulting Numbers: [12, 62, 6] Generated Node #0,0: 60:[12, 62, 6] Operation: 90-84=6 Moving to Node #0,0 Current State: 60:[12, 62, 6], Operations: ['90-84=6'] Exploring Operation: 12-6=6, Resulting Numbers: [62, 6] Generated Node #0,0,0: 60:[62, 6] Operation: 12-6=6 Moving to Node #0,0,0 Current State: 60:[62, 6], Operations: ['90-84=6', '12-6=6'] Exploring Operation: 62-6=56, Resulting Numbers: [56] 56,60 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 33, 76, 34, 19 ]
96
[ "76-33=43", "34+19=53", "43+53=96" ]
Current State: 96:[33, 76, 34, 19], Operations: [] Exploring Operation: 76-33=43, Resulting Numbers: [34, 19, 43] Generated Node #2: [34, 19, 43] from Operation: 76-33=43 Current State: 96:[34, 19, 43], Operations: ['76-33=43'] Exploring Operation: 34+19=53, Resulting Numbers: [43, 53] Generated Node #3: [43, 53] from Operation: 34+19=53 Current State: 96:[43, 53], Operations: ['76-33=43', '34+19=53'] Exploring Operation: 43+53=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[33, 76, 34, 19], Operations: [] Exploring Operation: 76-33=43, Resulting Numbers: [34, 19, 43] Generated Node #0,0: 96:[34, 19, 43] Operation: 76-33=43 Exploring Operation: 76/19=4, Resulting Numbers: [33, 34, 4] Generated Node #0,1: 96:[33, 34, 4] Operation: 76/19=4 Exploring Operation: 76+19=95, Resulting Numbers: [33, 34, 95] Generated Node #0,2: 96:[33, 34, 95] Operation: 76+19=95 Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[33, 34, 4], Operations: ['76/19=4'] Exploring Operation: 34-4=30, Resulting Numbers: [33, 30] Generated Node #0,1,0: 96:[33, 30] Operation: 34-4=30 Exploring Operation: 34-33=1, Resulting Numbers: [4, 1] Generated Node #0,1,1: 96:[4, 1] Operation: 34-33=1 Exploring Operation: 33-4=29, Resulting Numbers: [34, 29] Generated Node #0,1,2: 96:[34, 29] Operation: 33-4=29 Moving to Node #0,1,1 Current State: 96:[4, 1], Operations: ['76/19=4', '34-33=1'] Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,96 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,96 unequal: No Solution Moving to Node #0,1,0 Current State: 96:[33, 30], Operations: ['76/19=4', '34-4=30'] Exploring Operation: 33+30=63, Resulting Numbers: [63] 63,96 unequal: No Solution Exploring Operation: 33*30=990, Resulting Numbers: [990] 990,96 unequal: No Solution Exploring Operation: 33-30=3, Resulting Numbers: [3] 3,96 unequal: No Solution Moving to Node #0,1,2 Current State: 96:[34, 29], Operations: ['76/19=4', '33-4=29'] Exploring Operation: 34+29=63, Resulting Numbers: [63] 63,96 unequal: No Solution Exploring Operation: 34-29=5, Resulting Numbers: [5] 5,96 unequal: No Solution Exploring Operation: 34*29=986, Resulting Numbers: [986] 986,96 unequal: No Solution No 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: 96:[33, 34, 95], Operations: ['76+19=95'] Exploring Operation: 34-33=1, Resulting Numbers: [95, 1] Generated Node #0,2,0: 96:[95, 1] Operation: 34-33=1 Exploring Operation: 95-34=61, Resulting Numbers: [33, 61] Generated Node #0,2,1: 96:[33, 61] Operation: 95-34=61 Exploring Operation: 95-33=62, Resulting Numbers: [34, 62] Generated Node #0,2,2: 96:[34, 62] Operation: 95-33=62 Moving to Node #0,2,0 Current State: 96:[95, 1], Operations: ['76+19=95', '34-33=1'] Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,96 unequal: No Solution Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[33, 76, 34, 19], Operations: [] Exploring Operation: 76+19=95, Resulting Numbers: [33, 34, 95] Generated Node #0,2: 96:[33, 34, 95] Operation: 76+19=95 Moving to Node #0,2 Current State: 96:[33, 34, 95], Operations: ['76+19=95'] Exploring Operation: 34-33=1, Resulting Numbers: [95, 1] Generated Node #0,2,0: 96:[95, 1] Operation: 34-33=1 Moving to Node #0,2,0 Current State: 96:[95, 1], Operations: ['76+19=95', '34-33=1'] Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
mult_heuristic
[ 4, 25, 66, 56 ]
11
[ "25-4=21", "66-56=10", "21-10=11" ]
Current State: 11:[4, 25, 66, 56], Operations: [] Exploring Operation: 25-4=21, Resulting Numbers: [66, 56, 21] Generated Node #2: [66, 56, 21] from Operation: 25-4=21 Current State: 11:[66, 56, 21], Operations: ['25-4=21'] Exploring Operation: 66-56=10, Resulting Numbers: [21, 10] Generated Node #3: [21, 10] from Operation: 66-56=10 Current State: 11:[21, 10], Operations: ['25-4=21', '66-56=10'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[4, 25, 66, 56], Operations: [] Exploring Operation: 56-25=31, Resulting Numbers: [4, 66, 31] Generated Node #0,0: 11:[4, 66, 31] Operation: 56-25=31 Exploring Operation: 25-4=21, Resulting Numbers: [66, 56, 21] Generated Node #0,1: 11:[66, 56, 21] Operation: 25-4=21 Exploring Operation: 56/4=14, Resulting Numbers: [25, 66, 14] Generated Node #0,2: 11:[25, 66, 14] Operation: 56/4=14 Exploring Operation: 66-56=10, Resulting Numbers: [4, 25, 10] Generated Node #0,3: 11:[4, 25, 10] Operation: 66-56=10 Exploring Operation: 66-25=41, Resulting Numbers: [4, 56, 41] Generated Node #0,4: 11:[4, 56, 41] Operation: 66-25=41 Start Sub Search at level 1: Moving to Node #0,3 Current State: 11:[4, 25, 10], Operations: ['66-56=10'] Exploring Operation: 25-4=21, Resulting Numbers: [10, 21] Generated Node #0,3,0: 11:[10, 21] Operation: 25-4=21 Exploring Operation: 4+10=14, Resulting Numbers: [25, 14] Generated Node #0,3,1: 11:[25, 14] Operation: 4+10=14 Exploring Operation: 10-4=6, Resulting Numbers: [25, 6] Generated Node #0,3,2: 11:[25, 6] Operation: 10-4=6 Exploring Operation: 25-10=15, Resulting Numbers: [4, 15] Generated Node #0,3,3: 11:[4, 15] Operation: 25-10=15 Exploring Operation: 4+25=29, Resulting Numbers: [10, 29] Generated Node #0,3,4: 11:[10, 29] Operation: 4+25=29 Moving to Node #0,3,0 Current State: 11:[10, 21], Operations: ['66-56=10', '25-4=21'] Exploring Operation: 10+21=31, Resulting Numbers: [31] 31,11 unequal: No Solution Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[4, 25, 66, 56], Operations: [] Exploring Operation: 66-56=10, Resulting Numbers: [4, 25, 10] Generated Node #0,3: 11:[4, 25, 10] Operation: 66-56=10 Moving to Node #0,3 Current State: 11:[4, 25, 10], Operations: ['66-56=10'] Exploring Operation: 25-4=21, Resulting Numbers: [10, 21] Generated Node #0,3,0: 11:[10, 21] Operation: 25-4=21 Moving to Node #0,3,0 Current State: 11:[10, 21], Operations: ['66-56=10', '25-4=21'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 2, 60, 14, 48 ]
53
[ "14-2=12", "60/12=5", "48+5=53" ]
Current State: 53:[2, 60, 14, 48], Operations: [] Exploring Operation: 14-2=12, Resulting Numbers: [60, 48, 12] Generated Node #2: [60, 48, 12] from Operation: 14-2=12 Current State: 53:[60, 48, 12], Operations: ['14-2=12'] Exploring Operation: 60/12=5, Resulting Numbers: [48, 5] Generated Node #3: [48, 5] from Operation: 60/12=5 Current State: 53:[48, 5], Operations: ['14-2=12', '60/12=5'] Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[2, 60, 14, 48], Operations: [] Exploring Operation: 2+14=16, Resulting Numbers: [60, 48, 16] Generated Node #0,0: 53:[60, 48, 16] Operation: 2+14=16 Exploring Operation: 2*14=28, Resulting Numbers: [60, 48, 28] Generated Node #0,1: 53:[60, 48, 28] Operation: 2*14=28 Exploring Operation: 2+48=50, Resulting Numbers: [60, 14, 50] Generated Node #0,2: 53:[60, 14, 50] Operation: 2+48=50 Exploring Operation: 60-2=58, Resulting Numbers: [14, 48, 58] Generated Node #0,3: 53:[14, 48, 58] Operation: 60-2=58 Exploring Operation: 2+60=62, Resulting Numbers: [14, 48, 62] Generated Node #0,4: 53:[14, 48, 62] Operation: 2+60=62 Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[60, 48, 28], Operations: ['2*14=28'] Exploring Operation: 60-28=32, Resulting Numbers: [48, 32] Generated Node #0,1,0: 53:[48, 32] Operation: 60-28=32 Exploring Operation: 48-28=20, Resulting Numbers: [60, 20] Generated Node #0,1,1: 53:[60, 20] Operation: 48-28=20 Exploring Operation: 60+28=88, Resulting Numbers: [48, 88] Generated Node #0,1,2: 53:[48, 88] Operation: 60+28=88 Exploring Operation: 60-48=12, Resulting Numbers: [28, 12] Generated Node #0,1,3: 53:[28, 12] Operation: 60-48=12 Exploring Operation: 48+28=76, Resulting Numbers: [60, 76] Generated Node #0,1,4: 53:[60, 76] Operation: 48+28=76 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[48, 32], Operations: ['2*14=28', '60-28=32'] Exploring Operation: 48+32=80, Resulting Numbers: [80] 80,53 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,53 unequal: No Solution Exploring Operation: 48*32=1536, Resulting Numbers: [1536] 1536,53 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: 53:[60, 76], Operations: ['2*14=28', '48+28=76'] Exploring Operation: 60+76=136, Resulting Numbers: [136] 136,53 unequal: No Solution Exploring Operation: 76-60=16, Resulting Numbers: [16] 16,53 unequal: No Solution Exploring Operation: 60*76=4560, Resulting Numbers: [4560] 4560,53 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: 53:[60, 20], Operations: ['2*14=28', '48-28=20'] Exploring Operation: 60*20=1200, Resulting Numbers: [1200] 1200,53 unequal: No Solution Exploring Operation: 60+20=80, Resulting Numbers: [80] 80,53 unequal: No Solution Exploring Operation: 60/20=3, Resulting Numbers: [3] 3,53 unequal: No Solution Exploring Operation: 60-20=40, Resulting Numbers: [40] 40,53 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: 53:[48, 88], Operations: ['2*14=28', '60+28=88'] Exploring Operation: 48*88=4224, Resulting Numbers: [4224] 4224,53 unequal: No Solution Exploring Operation: 88-48=40, Resulting Numbers: [40] 40,53 unequal: No Solution Exploring Operation: 48+88=136, Resulting Numbers: [136] 136,53 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: 53:[28, 12], Operations: ['2*14=28', '60-48=12'] Exploring Operation: 28*12=336, Resulting Numbers: [336] 336,53 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,53 unequal: No Solution Exploring Operation: 28+12=40, Resulting Numbers: [40] 40,53 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: 53:[60, 48, 16], Operations: ['2+14=16'] Exploring Operation: 48+16=64, Resulting Numbers: [60, 64] Generated Node #0,0,0: 53:[60, 64] Operation: 48+16=64 Exploring Operation: 48/16=3, Resulting Numbers: [60, 3] Generated Node #0,0,1: 53:[60, 3] Operation: 48/16=3 Exploring Operation: 60-16=44, Resulting Numbers: [48, 44] Generated Node #0,0,2: 53:[48, 44] Operation: 60-16=44 Exploring Operation: 48-16=32, Resulting Numbers: [60, 32] Generated Node #0,0,3: 53:[60, 32] Operation: 48-16=32 Exploring Operation: 60+16=76, Resulting Numbers: [48, 76] Generated Node #0,0,4: 53:[48, 76] Operation: 60+16=76 Moving to Node #0,0,2 Current State: 53:[48, 44], Operations: ['2+14=16', '60-16=44'] Exploring Operation: 48*44=2112, Resulting Numbers: [2112] 2112,53 unequal: No Solution Exploring Operation: 48-44=4, Resulting Numbers: [4] 4,53 unequal: No Solution Exploring Operation: 48+44=92, Resulting Numbers: [92] 92,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[60, 64], Operations: ['2+14=16', '48+16=64'] Exploring Operation: 60*64=3840, Resulting Numbers: [3840] 3840,53 unequal: No Solution Exploring Operation: 64-60=4, Resulting Numbers: [4] 4,53 unequal: No Solution Exploring Operation: 60+64=124, Resulting Numbers: [124] 124,53 unequal: No Solution Moving to Node #0,0,3 Current State: 53:[60, 32], Operations: ['2+14=16', '48-16=32'] Exploring Operation: 60+32=92, Resulting Numbers: [92] 92,53 unequal: No Solution Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 60*32=1920, Resulting Numbers: [1920] 1920,53 unequal: No Solution Moving to Node #0,0,4 Current State: 53:[48, 76], Operations: ['2+14=16', '60+16=76'] Exploring Operation: 48+76=124, Resulting Numbers: [124] 124,53 unequal: No Solution Exploring Operation: 76-48=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 48*76=3648, Resulting Numbers: [3648] 3648,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[60, 3], Operations: ['2+14=16', '48/16=3'] Exploring Operation: 60*3=180, Resulting Numbers: [180] 180,53 unequal: No Solution Exploring Operation: 60+3=63, Resulting Numbers: [63] 63,53 unequal: No Solution Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,53 unequal: No Solution Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,53 unequal: No Solution No 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: 53:[60, 14, 50], Operations: ['2+48=50'] Exploring Operation: 50-14=36, Resulting Numbers: [60, 36] Generated Node #0,2,0: 53:[60, 36] Operation: 50-14=36 Exploring Operation: 60+14=74, Resulting Numbers: [50, 74] Generated Node #0,2,1: 53:[50, 74] Operation: 60+14=74 Exploring Operation: 14+50=64, Resulting Numbers: [60, 64] Generated Node #0,2,2: 53:[60, 64] Operation: 14+50=64 Exploring Operation: 60-14=46, Resulting Numbers: [50, 46] Generated Node #0,2,3: 53:[50, 46] Operation: 60-14=46 Exploring Operation: 60-50=10, Resulting Numbers: [14, 10] Generated Node #0,2,4: 53:[14, 10] Operation: 60-50=10 Moving to Node #0,2,3 Current State: 53:[50, 46], Operations: ['2+48=50', '60-14=46'] Exploring Operation: 50-46=4, Resulting Numbers: [4] 4,53 unequal: No Solution Exploring Operation: 50+46=96, Resulting Numbers: [96] 96,53 unequal: No Solution Exploring Operation: 50*46=2300, Resulting Numbers: [2300] 2300,53 unequal: No Solution Moving to Node #0,2,2 Current State: 53:[60, 64], Operations: ['2+48=50', '14+50=64'] Exploring Operation: 60+64=124, Resulting Numbers: [124] 124,53 unequal: No Solution Exploring Operation: 60*64=3840, Resulting Numbers: [3840] 3840,53 unequal: No Solution Exploring Operation: 64-60=4, Resulting Numbers: [4] 4,53 unequal: No Solution Moving to Node #0,2,0 Current State: 53:[60, 36], Operations: ['2+48=50', '50-14=36'] Exploring Operation: 60-36=24, Resulting Numbers: [24] 24,53 unequal: No Solution Exploring Operation: 60+36=96, Resulting Numbers: [96] 96,53 unequal: No Solution Exploring Operation: 60*36=2160, Resulting Numbers: [2160] 2160,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[50, 74], Operations: ['2+48=50', '60+14=74'] Exploring Operation: 50*74=3700, Resulting Numbers: [3700] 3700,53 unequal: No Solution Exploring Operation: 74-50=24, Resulting Numbers: [24] 24,53 unequal: No Solution Exploring Operation: 50+74=124, Resulting Numbers: [124] 124,53 unequal: No Solution Moving to Node #0,2,4 Current State: 53:[14, 10], Operations: ['2+48=50', '60-50=10'] Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,53 unequal: No Solution Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,53 unequal: No Solution Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,53 unequal: No Solution No 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: 53:[14, 48, 58], Operations: ['60-2=58'] Exploring Operation: 14+48=62, Resulting Numbers: [58, 62] Generated Node #0,3,0: 53:[58, 62] Operation: 14+48=62 Exploring Operation: 14+58=72, Resulting Numbers: [48, 72] Generated Node #0,3,1: 53:[48, 72] Operation: 14+58=72 Exploring Operation: 58-14=44, Resulting Numbers: [48, 44] Generated Node #0,3,2: 53:[48, 44] Operation: 58-14=44 Exploring Operation: 58-48=10, Resulting Numbers: [14, 10] Generated Node #0,3,3: 53:[14, 10] Operation: 58-48=10 Exploring Operation: 48-14=34, Resulting Numbers: [58, 34] Generated Node #0,3,4: 53:[58, 34] Operation: 48-14=34 Moving to Node #0,3,0 Current State: 53:[58, 62], Operations: ['60-2=58', '14+48=62'] Exploring Operation: 58*62=3596, Resulting Numbers: [3596] 3596,53 unequal: No Solution Exploring Operation: 58+62=120, Resulting Numbers: [120] 120,53 unequal: No Solution Exploring Operation: 62-58=4, Resulting Numbers: [4] 4,53 unequal: No Solution Moving to Node #0,3,2 Current State: 53:[48, 44], Operations: ['60-2=58', '58-14=44'] Exploring Operation: 48+44=92, Resulting Numbers: [92] 92,53 unequal: No Solution Exploring Operation: 48-44=4, Resulting Numbers: [4] 4,53 unequal: No Solution Exploring Operation: 48*44=2112, Resulting Numbers: [2112] 2112,53 unequal: No Solution Moving to Node #0,3,1 Current State: 53:[48, 72], Operations: ['60-2=58', '14+58=72'] Exploring Operation: 48*72=3456, Resulting Numbers: [3456] 3456,53 unequal: No Solution Exploring Operation: 48+72=120, Resulting Numbers: [120] 120,53 unequal: No Solution Exploring Operation: 72-48=24, Resulting Numbers: [24] 24,53 unequal: No Solution Moving to Node #0,3,4 Current State: 53:[58, 34], Operations: ['60-2=58', '48-14=34'] Exploring Operation: 58+34=92, Resulting Numbers: [92] 92,53 unequal: No Solution Exploring Operation: 58*34=1972, Resulting Numbers: [1972] 1972,53 unequal: No Solution Exploring Operation: 58-34=24, Resulting Numbers: [24] 24,53 unequal: No Solution Moving to Node #0,3,3 Current State: 53:[14, 10], Operations: ['60-2=58', '58-48=10'] Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,53 unequal: No Solution Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,53 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,53 unequal: No Solution No 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: 53:[14, 48, 62], Operations: ['2+60=62'] Exploring Operation: 48-14=34, Resulting Numbers: [62, 34] Generated Node #0,4,0: 53:[62, 34] Operation: 48-14=34 Exploring Operation: 14+62=76, Resulting Numbers: [48, 76] Generated Node #0,4,1: 53:[48, 76] Operation: 14+62=76 Exploring Operation: 14+48=62, Resulting Numbers: [62, 62] Generated Node #0,4,2: 53:[62, 62] Operation: 14+48=62 Exploring Operation: 62-14=48, Resulting Numbers: [48, 48] Generated Node #0,4,3: 53:[48, 48] Operation: 62-14=48 Exploring Operation: 62-48=14, Resulting Numbers: [14, 14] Generated Node #0,4,4: 53:[14, 14] Operation: 62-48=14 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 53:[48, 48], Operations: ['2+60=62', '62-14=48'] Exploring Operation: 48/48=1, Resulting Numbers: [1] 1,53 unequal: No Solution Exploring Operation: 48-48=0, Resulting Numbers: [0] 0,53 unequal: No Solution Exploring Operation: 48*48=2304, Resulting Numbers: [2304] 2304,53 unequal: No Solution Exploring Operation: 48+48=96, Resulting Numbers: [96] 96,53 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: 53:[62, 62], Operations: ['2+60=62', '14+48=62'] Exploring Operation: 62+62=124, Resulting Numbers: [124] 124,53 unequal: No Solution Exploring Operation: 62-62=0, Resulting Numbers: [0] 0,53 unequal: No Solution Exploring Operation: 62/62=1, Resulting Numbers: [1] 1,53 unequal: No Solution Exploring Operation: 62*62=3844, Resulting Numbers: [3844] 3844,53 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: 53:[62, 34], Operations: ['2+60=62', '48-14=34'] Exploring Operation: 62*34=2108, Resulting Numbers: [2108] 2108,53 unequal: No Solution Exploring Operation: 62+34=96, Resulting Numbers: [96] 96,53 unequal: No Solution Exploring Operation: 62-34=28, Resulting Numbers: [28] 28,53 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: 53:[48, 76], Operations: ['2+60=62', '14+62=76'] Exploring Operation: 48*76=3648, Resulting Numbers: [3648] 3648,53 unequal: No Solution Exploring Operation: 76-48=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 48+76=124, Resulting Numbers: [124] 124,53 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: 53:[14, 14], Operations: ['2+60=62', '62-48=14'] Exploring Operation: 14-14=0, Resulting Numbers: [0] 0,53 unequal: No Solution Exploring Operation: 14+14=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 14*14=196, Resulting Numbers: [196] 196,53 unequal: No Solution Exploring Operation: 14/14=1, Resulting Numbers: [1] 1,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 41, 5, 25, 21 ]
41
[ "25-5=20", "21-20=1", "41*1=41" ]
Current State: 41:[41, 5, 25, 21], Operations: [] Exploring Operation: 25-5=20, Resulting Numbers: [41, 21, 20] Generated Node #2: [41, 21, 20] from Operation: 25-5=20 Current State: 41:[41, 21, 20], Operations: ['25-5=20'] Exploring Operation: 21-20=1, Resulting Numbers: [41, 1] Generated Node #3: [41, 1] from Operation: 21-20=1 Current State: 41:[41, 1], Operations: ['25-5=20', '21-20=1'] Exploring Operation: 41*1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[41, 5, 25, 21], Operations: [] Exploring Operation: 5+25=30, Resulting Numbers: [41, 21, 30] Generated Node #0,0: 41:[41, 21, 30] Operation: 5+25=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[41, 21, 30], Operations: ['5+25=30'] Exploring Operation: 21+30=51, Resulting Numbers: [41, 51] Generated Node #0,0,0: 41:[41, 51] Operation: 21+30=51 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 41:[41, 51], Operations: ['5+25=30', '21+30=51'] Exploring Operation: 51-41=10, Resulting Numbers: [10] 10,41 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
[ 6, 99, 70, 71 ]
98
[ "99-71=28", "6*28=168", "168-70=98" ]
Current State: 98:[6, 99, 70, 71], Operations: [] Exploring Operation: 99-71=28, Resulting Numbers: [6, 70, 28] Generated Node #2: [6, 70, 28] from Operation: 99-71=28 Current State: 98:[6, 70, 28], Operations: ['99-71=28'] Exploring Operation: 6*28=168, Resulting Numbers: [70, 168] Generated Node #3: [70, 168] from Operation: 6*28=168 Current State: 98:[70, 168], Operations: ['99-71=28', '6*28=168'] Exploring Operation: 168-70=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[6, 99, 70, 71], Operations: [] Exploring Operation: 99-71=28, Resulting Numbers: [6, 70, 28] Generated Node #0,0: 98:[6, 70, 28] Operation: 99-71=28 Exploring Operation: 70-6=64, Resulting Numbers: [99, 71, 64] Generated Node #0,1: 98:[99, 71, 64] Operation: 70-6=64 Exploring Operation: 71-70=1, Resulting Numbers: [6, 99, 1] Generated Node #0,2: 98:[6, 99, 1] Operation: 71-70=1 Moving to Node #0,2 Current State: 98:[6, 99, 1], Operations: ['71-70=1'] Exploring Operation: 99-1=98, Resulting Numbers: [6, 98] Generated Node #0,2,0: 98:[6, 98] Operation: 99-1=98 Exploring Operation: 6+1=7, Resulting Numbers: [99, 7] Generated Node #0,2,1: 98:[99, 7] Operation: 6+1=7 Exploring Operation: 6*1=6, Resulting Numbers: [99, 6] Generated Node #0,2,2: 98:[99, 6] Operation: 6*1=6 Moving to Node #0,0 Current State: 98:[6, 70, 28], Operations: ['99-71=28'] Exploring Operation: 70+28=98, Resulting Numbers: [6, 98] Generated Node #0,0,0: 98:[6, 98] Operation: 70+28=98 Exploring Operation: 70-6=64, Resulting Numbers: [28, 64] Generated Node #0,0,1: 98:[28, 64] Operation: 70-6=64 Exploring Operation: 70-28=42, Resulting Numbers: [6, 42] Generated Node #0,0,2: 98:[6, 42] Operation: 70-28=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[6, 98], Operations: ['99-71=28', '70+28=98'] Exploring Operation: 6+98=104, Resulting Numbers: [104] 104,98 unequal: No Solution Exploring Operation: 98-6=92, Resulting Numbers: [92] 92,98 unequal: No Solution Exploring Operation: 6*98=588, Resulting Numbers: [588] 588,98 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:[6, 42], Operations: ['99-71=28', '70-28=42'] Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,98 unequal: No Solution Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,98 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:[28, 64], Operations: ['99-71=28', '70-6=64'] Exploring Operation: 64-28=36, Resulting Numbers: [36] 36,98 unequal: No Solution Exploring Operation: 28*64=1792, Resulting Numbers: [1792] 1792,98 unequal: No Solution Exploring Operation: 28+64=92, Resulting Numbers: [92] 92,98 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: 98:[99, 71, 64], Operations: ['70-6=64'] Exploring Operation: 99-71=28, Resulting Numbers: [64, 28] Generated Node #0,1,0: 98:[64, 28] Operation: 99-71=28 Exploring Operation: 71-64=7, Resulting Numbers: [99, 7] Generated Node #0,1,1: 98:[99, 7] Operation: 71-64=7 Exploring Operation: 99-64=35, Resulting Numbers: [71, 35] Generated Node #0,1,2: 98:[71, 35] Operation: 99-64=35 Moving to Node #0,2,0 Current State: 98:[6, 98], Operations: ['71-70=1', '99-1=98'] Exploring Operation: 6+98=104, Resulting Numbers: [104] 104,98 unequal: No Solution Exploring Operation: 6*98=588, Resulting Numbers: [588] 588,98 unequal: No Solution Exploring Operation: 98-6=92, Resulting Numbers: [92] 92,98 unequal: No Solution Moving to Node #0,2,1 Current State: 98:[99, 7], Operations: ['71-70=1', '6+1=7'] Exploring Operation: 99+7=106, Resulting Numbers: [106] 106,98 unequal: No Solution Exploring Operation: 99-7=92, Resulting Numbers: [92] 92,98 unequal: No Solution Exploring Operation: 99*7=693, Resulting Numbers: [693] 693,98 unequal: No Solution Moving to Node #0,1,1 Current State: 98:[99, 7], Operations: ['70-6=64', '71-64=7'] Exploring Operation: 99+7=106, Resulting Numbers: [106] 106,98 unequal: No Solution Exploring Operation: 99-7=92, Resulting Numbers: [92] 92,98 unequal: No Solution Exploring Operation: 99*7=693, Resulting Numbers: [693] 693,98 unequal: No Solution Moving to Node #0,2,2 Current State: 98:[99, 6], Operations: ['71-70=1', '6*1=6'] Exploring Operation: 99+6=105, Resulting Numbers: [105] 105,98 unequal: No Solution Exploring Operation: 99*6=594, Resulting Numbers: [594] 594,98 unequal: No Solution Exploring Operation: 99-6=93, Resulting Numbers: [93] 93,98 unequal: No Solution Moving to Node #0,1,0 Current State: 98:[64, 28], Operations: ['70-6=64', '99-71=28'] Exploring Operation: 64*28=1792, Resulting Numbers: [1792] 1792,98 unequal: No Solution Exploring Operation: 64-28=36, Resulting Numbers: [36] 36,98 unequal: No Solution Exploring Operation: 64+28=92, Resulting Numbers: [92] 92,98 unequal: No Solution Moving to Node #0,1,2 Current State: 98:[71, 35], Operations: ['70-6=64', '99-64=35'] Exploring Operation: 71*35=2485, Resulting Numbers: [2485] 2485,98 unequal: No Solution Exploring Operation: 71-35=36, Resulting Numbers: [36] 36,98 unequal: No Solution Exploring Operation: 71+35=106, Resulting Numbers: [106] 106,98 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 35, 38, 38, 26 ]
26
[ "38-38=0", "35*0=0", "26+0=26" ]
Current State: 26:[35, 38, 38, 26], Operations: [] Exploring Operation: 38-38=0, Resulting Numbers: [35, 26, 0] Generated Node #2: [35, 26, 0] from Operation: 38-38=0 Current State: 26:[35, 26, 0], Operations: ['38-38=0'] Exploring Operation: 35*0=0, Resulting Numbers: [26, 0] Generated Node #3: [26, 0] from Operation: 35*0=0 Current State: 26:[26, 0], Operations: ['38-38=0', '35*0=0'] Exploring Operation: 26+0=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[35, 38, 38, 26], Operations: [] Exploring Operation: 38-26=12, Resulting Numbers: [35, 38, 12] Generated Node #0,0: 26:[35, 38, 12] Operation: 38-26=12 Exploring Operation: 38-35=3, Resulting Numbers: [38, 26, 3] Generated Node #0,1: 26:[38, 26, 3] Operation: 38-35=3 Exploring Operation: 38-35=3, Resulting Numbers: [38, 26, 3] Generated Node #0,2: 26:[38, 26, 3] Operation: 38-35=3 Exploring Operation: 38-38=0, Resulting Numbers: [35, 26, 0] Generated Node #0,3: 26:[35, 26, 0] Operation: 38-38=0 Exploring Operation: 38/38=1, Resulting Numbers: [35, 26, 1] Generated Node #0,4: 26:[35, 26, 1] Operation: 38/38=1 Moving to Node #0,4 Current State: 26:[35, 26, 1], Operations: ['38/38=1'] Exploring Operation: 26*1=26, Resulting Numbers: [35, 26] Generated Node #0,4,0: 26:[35, 26] Operation: 26*1=26 Exploring Operation: 35-26=9, Resulting Numbers: [1, 9] Generated Node #0,4,1: 26:[1, 9] Operation: 35-26=9 Exploring Operation: 35-1=34, Resulting Numbers: [26, 34] Generated Node #0,4,2: 26:[26, 34] Operation: 35-1=34 Exploring Operation: 35/1=35, Resulting Numbers: [26, 35] Generated Node #0,4,3: 26:[26, 35] Operation: 35/1=35 Exploring Operation: 35*1=35, Resulting Numbers: [26, 35] Generated Node #0,4,4: 26:[26, 35] Operation: 35*1=35 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 26:[1, 9], Operations: ['38/38=1', '35-26=9'] Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,26 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,26 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,26 unequal: No Solution Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 26:[26, 34], Operations: ['38/38=1', '35-1=34'] Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,26 unequal: No Solution Exploring Operation: 26+34=60, Resulting Numbers: [60] 60,26 unequal: No Solution Exploring Operation: 26*34=884, Resulting Numbers: [884] 884,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 26:[35, 26], Operations: ['38/38=1', '26*1=26'] Exploring Operation: 35*26=910, Resulting Numbers: [910] 910,26 unequal: No Solution Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,26 unequal: No Solution Exploring Operation: 35+26=61, Resulting Numbers: [61] 61,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 26:[26, 35], Operations: ['38/38=1', '35/1=35'] Exploring Operation: 26*35=910, Resulting Numbers: [910] 910,26 unequal: No Solution Exploring Operation: 26+35=61, Resulting Numbers: [61] 61,26 unequal: No Solution Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 26:[26, 35], Operations: ['38/38=1', '35*1=35'] Exploring Operation: 26*35=910, Resulting Numbers: [910] 910,26 unequal: No Solution Exploring Operation: 26+35=61, Resulting Numbers: [61] 61,26 unequal: No Solution Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,26 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: 26:[35, 26, 0], Operations: ['38-38=0'] Exploring Operation: 26+0=26, Resulting Numbers: [35, 26] Generated Node #0,3,0: 26:[35, 26] Operation: 26+0=26 Exploring Operation: 35-26=9, Resulting Numbers: [0, 9] Generated Node #0,3,1: 26:[0, 9] Operation: 35-26=9 Exploring Operation: 35-0=35, Resulting Numbers: [26, 35] Generated Node #0,3,2: 26:[26, 35] Operation: 35-0=35 Exploring Operation: 35*0=0, Resulting Numbers: [26, 0] Generated Node #0,3,3: 26:[26, 0] Operation: 35*0=0 Exploring Operation: 35+0=35, Resulting Numbers: [26, 35] Generated Node #0,3,4: 26:[26, 35] Operation: 35+0=35 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 26:[26, 0], Operations: ['38-38=0', '35*0=0'] Exploring Operation: 26-0=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[35, 38, 38, 26], Operations: [] Exploring Operation: 38-38=0, Resulting Numbers: [35, 26, 0] Generated Node #0,3: 26:[35, 26, 0] Operation: 38-38=0 Moving to Node #0,3 Current State: 26:[35, 26, 0], Operations: ['38-38=0'] Exploring Operation: 35*0=0, Resulting Numbers: [26, 0] Generated Node #0,3,3: 26:[26, 0] Operation: 35*0=0 Moving to Node #0,3,3 Current State: 26:[26, 0], Operations: ['38-38=0', '35*0=0'] Exploring Operation: 26-0=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
mult_heuristic
[ 54, 5, 44, 86 ]
71
[ "54+5=59", "44+86=130", "130-59=71" ]
Current State: 71:[54, 5, 44, 86], Operations: [] Exploring Operation: 54+5=59, Resulting Numbers: [44, 86, 59] Generated Node #2: [44, 86, 59] from Operation: 54+5=59 Current State: 71:[44, 86, 59], Operations: ['54+5=59'] Exploring Operation: 44+86=130, Resulting Numbers: [59, 130] Generated Node #3: [59, 130] from Operation: 44+86=130 Current State: 71:[59, 130], Operations: ['54+5=59', '44+86=130'] Exploring Operation: 130-59=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[54, 5, 44, 86], Operations: [] Exploring Operation: 5+44=49, Resulting Numbers: [54, 86, 49] Generated Node #0,0: 71:[54, 86, 49] Operation: 5+44=49 Exploring Operation: 54+5=59, Resulting Numbers: [44, 86, 59] Generated Node #0,1: 71:[44, 86, 59] Operation: 54+5=59 Exploring Operation: 86-5=81, Resulting Numbers: [54, 44, 81] Generated Node #0,2: 71:[54, 44, 81] Operation: 86-5=81 Exploring Operation: 54-5=49, Resulting Numbers: [44, 86, 49] Generated Node #0,3: 71:[44, 86, 49] Operation: 54-5=49 Moving to Node #0,0 Current State: 71:[54, 86, 49], Operations: ['5+44=49'] Exploring Operation: 54+49=103, Resulting Numbers: [86, 103] Generated Node #0,0,0: 71:[86, 103] Operation: 54+49=103 Exploring Operation: 86-49=37, Resulting Numbers: [54, 37] Generated Node #0,0,1: 71:[54, 37] Operation: 86-49=37 Exploring Operation: 54-49=5, Resulting Numbers: [86, 5] Generated Node #0,0,2: 71:[86, 5] Operation: 54-49=5 Exploring Operation: 86-54=32, Resulting Numbers: [49, 32] Generated Node #0,0,3: 71:[49, 32] Operation: 86-54=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[86, 103], Operations: ['5+44=49', '54+49=103'] Exploring Operation: 103-86=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 86*103=8858, Resulting Numbers: [8858] 8858,71 unequal: No Solution Exploring Operation: 86+103=189, Resulting Numbers: [189] 189,71 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 #0,0,1 Current State: 71:[54, 37], Operations: ['5+44=49', '86-49=37'] Exploring Operation: 54-37=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 54*37=1998, Resulting Numbers: [1998] 1998,71 unequal: No Solution Exploring Operation: 54+37=91, Resulting Numbers: [91] 91,71 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 #0,0,3 Current State: 71:[49, 32], Operations: ['5+44=49', '86-54=32'] Exploring Operation: 49*32=1568, Resulting Numbers: [1568] 1568,71 unequal: No Solution Exploring Operation: 49+32=81, Resulting Numbers: [81] 81,71 unequal: No Solution Exploring Operation: 49-32=17, Resulting Numbers: [17] 17,71 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 #0,0,2 Current State: 71:[86, 5], Operations: ['5+44=49', '54-49=5'] Exploring Operation: 86+5=91, Resulting Numbers: [91] 91,71 unequal: No Solution Exploring Operation: 86-5=81, Resulting Numbers: [81] 81,71 unequal: No Solution Exploring Operation: 86*5=430, Resulting Numbers: [430] 430,71 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: 71:[54, 44, 81], Operations: ['86-5=81'] Exploring Operation: 54+44=98, Resulting Numbers: [81, 98] Generated Node #0,2,0: 71:[81, 98] Operation: 54+44=98 Exploring Operation: 81-44=37, Resulting Numbers: [54, 37] Generated Node #0,2,1: 71:[54, 37] Operation: 81-44=37 Exploring Operation: 81-54=27, Resulting Numbers: [44, 27] Generated Node #0,2,2: 71:[44, 27] Operation: 81-54=27 Exploring Operation: 54-44=10, Resulting Numbers: [81, 10] Generated Node #0,2,3: 71:[81, 10] Operation: 54-44=10 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 71:[81, 98], Operations: ['86-5=81', '54+44=98'] Exploring Operation: 81*98=7938, Resulting Numbers: [7938] 7938,71 unequal: No Solution Exploring Operation: 98-81=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 81+98=179, Resulting Numbers: [179] 179,71 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 #0,2,1 Current State: 71:[54, 37], Operations: ['86-5=81', '81-44=37'] Exploring Operation: 54+37=91, Resulting Numbers: [91] 91,71 unequal: No Solution Exploring Operation: 54*37=1998, Resulting Numbers: [1998] 1998,71 unequal: No Solution Exploring Operation: 54-37=17, Resulting Numbers: [17] 17,71 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 #0,2,2 Current State: 71:[44, 27], Operations: ['86-5=81', '81-54=27'] Exploring Operation: 44*27=1188, Resulting Numbers: [1188] 1188,71 unequal: No Solution Exploring Operation: 44+27=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[54, 5, 44, 86], Operations: [] Exploring Operation: 86-5=81, Resulting Numbers: [54, 44, 81] Generated Node #0,2: 71:[54, 44, 81] Operation: 86-5=81 Moving to Node #0,2 Current State: 71:[54, 44, 81], Operations: ['86-5=81'] Exploring Operation: 81-54=27, Resulting Numbers: [44, 27] Generated Node #0,2,2: 71:[44, 27] Operation: 81-54=27 Moving to Node #0,2,2 Current State: 71:[44, 27], Operations: ['86-5=81', '81-54=27'] Exploring Operation: 44+27=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_4
sum_heuristic
[ 36, 35, 59, 3 ]
20
[ "36-35=1", "59+1=60", "60/3=20" ]
Current State: 20:[36, 35, 59, 3], Operations: [] Exploring Operation: 36-35=1, Resulting Numbers: [59, 3, 1] Generated Node #2: [59, 3, 1] from Operation: 36-35=1 Current State: 20:[59, 3, 1], Operations: ['36-35=1'] Exploring Operation: 59+1=60, Resulting Numbers: [3, 60] Generated Node #3: [3, 60] from Operation: 59+1=60 Current State: 20:[3, 60], Operations: ['36-35=1', '59+1=60'] Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[36, 35, 59, 3], Operations: [] Exploring Operation: 36/3=12, Resulting Numbers: [35, 59, 12] Generated Node #0,0: 20:[35, 59, 12] Operation: 36/3=12 Exploring Operation: 36-35=1, Resulting Numbers: [59, 3, 1] Generated Node #0,1: 20:[59, 3, 1] Operation: 36-35=1 Exploring Operation: 59-36=23, Resulting Numbers: [35, 3, 23] Generated Node #0,2: 20:[35, 3, 23] Operation: 59-36=23 Exploring Operation: 59-35=24, Resulting Numbers: [36, 3, 24] Generated Node #0,3: 20:[36, 3, 24] Operation: 59-35=24 Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[35, 3, 23], Operations: ['59-36=23'] Exploring Operation: 35-23=12, Resulting Numbers: [3, 12] Generated Node #0,2,0: 20:[3, 12] Operation: 35-23=12 Exploring Operation: 35+3=38, Resulting Numbers: [23, 38] Generated Node #0,2,1: 20:[23, 38] Operation: 35+3=38 Exploring Operation: 23-3=20, Resulting Numbers: [35, 20] Generated Node #0,2,2: 20:[35, 20] Operation: 23-3=20 Exploring Operation: 35-3=32, Resulting Numbers: [23, 32] Generated Node #0,2,3: 20:[23, 32] Operation: 35-3=32 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 20:[3, 12], Operations: ['59-36=23', '35-23=12'] Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,20 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,20 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: 20:[35, 20], Operations: ['59-36=23', '23-3=20'] Exploring Operation: 35*20=700, Resulting Numbers: [700] 700,20 unequal: No Solution Exploring Operation: 35+20=55, Resulting Numbers: [55] 55,20 unequal: No Solution Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,20 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: 20:[23, 32], Operations: ['59-36=23', '35-3=32'] Exploring Operation: 23+32=55, Resulting Numbers: [55] 55,20 unequal: No Solution Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 23*32=736, Resulting Numbers: [736] 736,20 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: 20:[23, 38], Operations: ['59-36=23', '35+3=38'] Exploring Operation: 23+38=61, Resulting Numbers: [61] 61,20 unequal: No Solution Exploring Operation: 38-23=15, Resulting Numbers: [15] 15,20 unequal: No Solution Exploring Operation: 23*38=874, Resulting Numbers: [874] 874,20 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: 20:[36, 3, 24], Operations: ['59-35=24'] Exploring Operation: 36-3=33, Resulting Numbers: [24, 33] Generated Node #0,3,0: 20:[24, 33] Operation: 36-3=33 Exploring Operation: 36/3=12, Resulting Numbers: [24, 12] Generated Node #0,3,1: 20:[24, 12] Operation: 36/3=12 Exploring Operation: 36-24=12, Resulting Numbers: [3, 12] Generated Node #0,3,2: 20:[3, 12] Operation: 36-24=12 Exploring Operation: 24-3=21, Resulting Numbers: [36, 21] Generated Node #0,3,3: 20:[36, 21] Operation: 24-3=21 Moving to Node #0,3,2 Current State: 20:[3, 12], Operations: ['59-35=24', '36-24=12'] Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,20 unequal: No Solution Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,20 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,20 unequal: No Solution Moving to Node #0,3,1 Current State: 20:[24, 12], Operations: ['59-35=24', '36/3=12'] Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 24*12=288, Resulting Numbers: [288] 288,20 unequal: No Solution Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,20 unequal: No Solution Exploring Operation: 24+12=36, Resulting Numbers: [36] 36,20 unequal: No Solution Moving to Node #0,3,3 Current State: 20:[36, 21], Operations: ['59-35=24', '24-3=21'] Exploring Operation: 36+21=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 36*21=756, Resulting Numbers: [756] 756,20 unequal: No Solution Exploring Operation: 36-21=15, Resulting Numbers: [15] 15,20 unequal: No Solution Moving to Node #0,3,0 Current State: 20:[24, 33], Operations: ['59-35=24', '36-3=33'] Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 24+33=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 24*33=792, Resulting Numbers: [792] 792,20 unequal: No Solution No 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: 20:[59, 3, 1], Operations: ['36-35=1'] Exploring Operation: 3-1=2, Resulting Numbers: [59, 2] Generated Node #0,1,0: 20:[59, 2] Operation: 3-1=2 Exploring Operation: 59-1=58, Resulting Numbers: [3, 58] Generated Node #0,1,1: 20:[3, 58] Operation: 59-1=58 Exploring Operation: 59-3=56, Resulting Numbers: [1, 56] Generated Node #0,1,2: 20:[1, 56] Operation: 59-3=56 Exploring Operation: 3+1=4, Resulting Numbers: [59, 4] Generated Node #0,1,3: 20:[59, 4] Operation: 3+1=4 Moving to Node #0,1,2 Current State: 20:[1, 56], Operations: ['36-35=1', '59-3=56'] Exploring Operation: 56/1=56, Resulting Numbers: [56] 56,20 unequal: No Solution Exploring Operation: 1+56=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,20 unequal: No Solution Exploring Operation: 1*56=56, Resulting Numbers: [56] 56,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[3, 58], Operations: ['36-35=1', '59-1=58'] Exploring Operation: 3+58=61, Resulting Numbers: [61] 61,20 unequal: No Solution Exploring Operation: 3*58=174, Resulting Numbers: [174] 174,20 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,20 unequal: No Solution Moving to Node #0,1,0 Current State: 20:[59, 2], Operations: ['36-35=1', '3-1=2'] Exploring Operation: 59*2=118, Resulting Numbers: [118] 118,20 unequal: No Solution Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,20 unequal: No Solution Moving to Node #0,1,3 Current State: 20:[59, 4], Operations: ['36-35=1', '3+1=4'] Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,20 unequal: No Solution Exploring Operation: 59+4=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 59*4=236, Resulting Numbers: [236] 236,20 unequal: No Solution No 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: 20:[35, 59, 12], Operations: ['36/3=12'] Exploring Operation: 59-12=47, Resulting Numbers: [35, 47] Generated Node #0,0,0: 20:[35, 47] Operation: 59-12=47 Exploring Operation: 59-35=24, Resulting Numbers: [12, 24] Generated Node #0,0,1: 20:[12, 24] Operation: 59-35=24 Exploring Operation: 35+12=47, Resulting Numbers: [59, 47] Generated Node #0,0,2: 20:[59, 47] Operation: 35+12=47 Exploring Operation: 35-12=23, Resulting Numbers: [59, 23] Generated Node #0,0,3: 20:[59, 23] Operation: 35-12=23 Moving to Node #0,0,1 Current State: 20:[12, 24], Operations: ['36/3=12', '59-35=24'] Exploring Operation: 12+24=36, Resulting Numbers: [36] 36,20 unequal: No Solution Exploring Operation: 12*24=288, Resulting Numbers: [288] 288,20 unequal: No Solution Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,20 unequal: No Solution Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,20 unequal: No Solution Moving to Node #0,0,3 Current State: 20:[59, 23], Operations: ['36/3=12', '35-12=23'] Exploring Operation: 59*23=1357, Resulting Numbers: [1357] 1357,20 unequal: No Solution Exploring Operation: 59-23=36, Resulting Numbers: [36] 36,20 unequal: No Solution Exploring Operation: 59+23=82, Resulting Numbers: [82] 82,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[35, 47], Operations: ['36/3=12', '59-12=47'] Exploring Operation: 35*47=1645, Resulting Numbers: [1645] 1645,20 unequal: No Solution Exploring Operation: 35+47=82, Resulting Numbers: [82] 82,20 unequal: No Solution Exploring Operation: 47-35=12, Resulting Numbers: [12] 12,20 unequal: No Solution Moving to Node #0,0,2 Current State: 20:[59, 47], Operations: ['36/3=12', '35+12=47'] Exploring Operation: 59+47=106, Resulting Numbers: [106] 106,20 unequal: No Solution Exploring Operation: 59*47=2773, Resulting Numbers: [2773] 2773,20 unequal: No Solution Exploring Operation: 59-47=12, Resulting Numbers: [12] 12,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 25, 75, 72, 63 ]
85
[ "75-25=50", "72+63=135", "135-50=85" ]
Current State: 85:[25, 75, 72, 63], Operations: [] Exploring Operation: 75-25=50, Resulting Numbers: [72, 63, 50] Generated Node #2: [72, 63, 50] from Operation: 75-25=50 Current State: 85:[72, 63, 50], Operations: ['75-25=50'] Exploring Operation: 72+63=135, Resulting Numbers: [50, 135] Generated Node #3: [50, 135] from Operation: 72+63=135 Current State: 85:[50, 135], Operations: ['75-25=50', '72+63=135'] Exploring Operation: 135-50=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[25, 75, 72, 63], Operations: [] Exploring Operation: 75/25=3, Resulting Numbers: [72, 63, 3] Generated Node #0,0: 85:[72, 63, 3] Operation: 75/25=3 Exploring Operation: 75-72=3, Resulting Numbers: [25, 63, 3] Generated Node #0,1: 85:[25, 63, 3] Operation: 75-72=3 Exploring Operation: 72-63=9, Resulting Numbers: [25, 75, 9] Generated Node #0,2: 85:[25, 75, 9] Operation: 72-63=9 Exploring Operation: 75-63=12, Resulting Numbers: [25, 72, 12] Generated Node #0,3: 85:[25, 72, 12] Operation: 75-63=12 Exploring Operation: 25+63=88, Resulting Numbers: [75, 72, 88] Generated Node #0,4: 85:[75, 72, 88] Operation: 25+63=88 Start Sub Search at level 1: Moving to Node #0,2 Current State: 85:[25, 75, 9], Operations: ['72-63=9'] Exploring Operation: 25+9=34, Resulting Numbers: [75, 34] Generated Node #0,2,0: 85:[75, 34] Operation: 25+9=34 Exploring Operation: 25+75=100, Resulting Numbers: [9, 100] Generated Node #0,2,1: 85:[9, 100] Operation: 25+75=100 Exploring Operation: 75+9=84, Resulting Numbers: [25, 84] Generated Node #0,2,2: 85:[25, 84] Operation: 75+9=84 Exploring Operation: 75/25=3, Resulting Numbers: [9, 3] Generated Node #0,2,3: 85:[9, 3] Operation: 75/25=3 Exploring Operation: 25-9=16, Resulting Numbers: [75, 16] Generated Node #0,2,4: 85:[75, 16] Operation: 25-9=16 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 85:[9, 3], Operations: ['72-63=9', '75/25=3'] Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,85 unequal: No Solution Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,85 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,85 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,85 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: 85:[25, 84], Operations: ['72-63=9', '75+9=84'] Exploring Operation: 25*84=2100, Resulting Numbers: [2100] 2100,85 unequal: No Solution Exploring Operation: 84-25=59, Resulting Numbers: [59] 59,85 unequal: No Solution Exploring Operation: 25+84=109, Resulting Numbers: [109] 109,85 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: 85:[75, 16], Operations: ['72-63=9', '25-9=16'] Exploring Operation: 75+16=91, Resulting Numbers: [91] 91,85 unequal: No Solution Exploring Operation: 75*16=1200, Resulting Numbers: [1200] 1200,85 unequal: No Solution Exploring Operation: 75-16=59, Resulting Numbers: [59] 59,85 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: 85:[9, 100], Operations: ['72-63=9', '25+75=100'] Exploring Operation: 100-9=91, Resulting Numbers: [91] 91,85 unequal: No Solution Exploring Operation: 9+100=109, Resulting Numbers: [109] 109,85 unequal: No Solution Exploring Operation: 9*100=900, Resulting Numbers: [900] 900,85 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: 85:[75, 34], Operations: ['72-63=9', '25+9=34'] Exploring Operation: 75+34=109, Resulting Numbers: [109] 109,85 unequal: No Solution Exploring Operation: 75-34=41, Resulting Numbers: [41] 41,85 unequal: No Solution Exploring Operation: 75*34=2550, Resulting Numbers: [2550] 2550,85 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: 85:[25, 72, 12], Operations: ['75-63=12'] Exploring Operation: 25-12=13, Resulting Numbers: [72, 13] Generated Node #0,3,0: 85:[72, 13] Operation: 25-12=13 Exploring Operation: 25+12=37, Resulting Numbers: [72, 37] Generated Node #0,3,1: 85:[72, 37] Operation: 25+12=37 Exploring Operation: 72+12=84, Resulting Numbers: [25, 84] Generated Node #0,3,2: 85:[25, 84] Operation: 72+12=84 Exploring Operation: 25+72=97, Resulting Numbers: [12, 97] Generated Node #0,3,3: 85:[12, 97] Operation: 25+72=97 Exploring Operation: 72/12=6, Resulting Numbers: [25, 6] Generated Node #0,3,4: 85:[25, 6] Operation: 72/12=6 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 85:[25, 84], Operations: ['75-63=12', '72+12=84'] Exploring Operation: 25+84=109, Resulting Numbers: [109] 109,85 unequal: No Solution Exploring Operation: 84-25=59, Resulting Numbers: [59] 59,85 unequal: No Solution Exploring Operation: 25*84=2100, Resulting Numbers: [2100] 2100,85 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: 85:[25, 6], Operations: ['75-63=12', '72/12=6'] Exploring Operation: 25+6=31, Resulting Numbers: [31] 31,85 unequal: No Solution Exploring Operation: 25*6=150, Resulting Numbers: [150] 150,85 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,85 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: 85:[72, 13], Operations: ['75-63=12', '25-12=13'] Exploring Operation: 72-13=59, Resulting Numbers: [59] 59,85 unequal: No Solution Exploring Operation: 72*13=936, Resulting Numbers: [936] 936,85 unequal: No Solution Exploring Operation: 72+13=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[25, 75, 72, 63], Operations: [] Exploring Operation: 75-63=12, Resulting Numbers: [25, 72, 12] Generated Node #0,3: 85:[25, 72, 12] Operation: 75-63=12 Moving to Node #0,3 Current State: 85:[25, 72, 12], Operations: ['75-63=12'] Exploring Operation: 25-12=13, Resulting Numbers: [72, 13] Generated Node #0,3,0: 85:[72, 13] Operation: 25-12=13 Moving to Node #0,3,0 Current State: 85:[72, 13], Operations: ['75-63=12', '25-12=13'] Exploring Operation: 72+13=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.961806
hs_5
sum_heuristic
[ 66, 4, 18, 17 ]
69
[ "66+4=70", "18-17=1", "70-1=69" ]
Current State: 69:[66, 4, 18, 17], Operations: [] Exploring Operation: 66+4=70, Resulting Numbers: [18, 17, 70] Generated Node #2: [18, 17, 70] from Operation: 66+4=70 Current State: 69:[18, 17, 70], Operations: ['66+4=70'] Exploring Operation: 18-17=1, Resulting Numbers: [70, 1] Generated Node #3: [70, 1] from Operation: 18-17=1 Current State: 69:[70, 1], Operations: ['66+4=70', '18-17=1'] Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[66, 4, 18, 17], Operations: [] Exploring Operation: 4*17=68, Resulting Numbers: [66, 18, 68] Generated Node #0,0: 69:[66, 18, 68] Operation: 4*17=68 Exploring Operation: 4+17=21, Resulting Numbers: [66, 18, 21] Generated Node #0,1: 69:[66, 18, 21] Operation: 4+17=21 Exploring Operation: 18-17=1, Resulting Numbers: [66, 4, 1] Generated Node #0,2: 69:[66, 4, 1] Operation: 18-17=1 Exploring Operation: 66+4=70, Resulting Numbers: [18, 17, 70] Generated Node #0,3: 69:[18, 17, 70] Operation: 66+4=70 Exploring Operation: 4+18=22, Resulting Numbers: [66, 17, 22] Generated Node #0,4: 69:[66, 17, 22] Operation: 4+18=22 Start Sub Search at level 1: Moving to Node #0,2 Current State: 69:[66, 4, 1], Operations: ['18-17=1'] Exploring Operation: 4-1=3, Resulting Numbers: [66, 3] Generated Node #0,2,0: 69:[66, 3] Operation: 4-1=3 Exploring Operation: 66+4=70, Resulting Numbers: [1, 70] Generated Node #0,2,1: 69:[1, 70] Operation: 66+4=70 Exploring Operation: 66/1=66, Resulting Numbers: [4, 66] Generated Node #0,2,2: 69:[4, 66] Operation: 66/1=66 Exploring Operation: 66*1=66, Resulting Numbers: [4, 66] Generated Node #0,2,3: 69:[4, 66] Operation: 66*1=66 Exploring Operation: 66+1=67, Resulting Numbers: [4, 67] Generated Node #0,2,4: 69:[4, 67] Operation: 66+1=67 Moving to Node #0,2,0 Current State: 69:[66, 3], Operations: ['18-17=1', '4-1=3'] Exploring Operation: 66*3=198, Resulting Numbers: [198] 198,69 unequal: No Solution Exploring Operation: 66+3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[66, 4, 18, 17], Operations: [] Exploring Operation: 18-17=1, Resulting Numbers: [66, 4, 1] Generated Node #0,2: 69:[66, 4, 1] Operation: 18-17=1 Moving to Node #0,2 Current State: 69:[66, 4, 1], Operations: ['18-17=1'] Exploring Operation: 4-1=3, Resulting Numbers: [66, 3] Generated Node #0,2,0: 69:[66, 3] Operation: 4-1=3 Moving to Node #0,2,0 Current State: 69:[66, 3], Operations: ['18-17=1', '4-1=3'] Exploring Operation: 66+3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 48, 30, 60, 87 ]
41
[ "87-48=39", "60/30=2", "39+2=41" ]
Current State: 41:[48, 30, 60, 87], Operations: [] Exploring Operation: 87-48=39, Resulting Numbers: [30, 60, 39] Generated Node #2: [30, 60, 39] from Operation: 87-48=39 Current State: 41:[30, 60, 39], Operations: ['87-48=39'] Exploring Operation: 60/30=2, Resulting Numbers: [39, 2] Generated Node #3: [39, 2] from Operation: 60/30=2 Current State: 41:[39, 2], Operations: ['87-48=39', '60/30=2'] Exploring Operation: 39+2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[48, 30, 60, 87], Operations: [] Exploring Operation: 87-48=39, Resulting Numbers: [30, 60, 39] Generated Node #0,0: 41:[30, 60, 39] Operation: 87-48=39 Exploring Operation: 87-30=57, Resulting Numbers: [48, 60, 57] Generated Node #0,1: 41:[48, 60, 57] Operation: 87-30=57 Exploring Operation: 87-60=27, Resulting Numbers: [48, 30, 27] Generated Node #0,2: 41:[48, 30, 27] Operation: 87-60=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[30, 60, 39], Operations: ['87-48=39'] Exploring Operation: 60-30=30, Resulting Numbers: [39, 30] Generated Node #0,0,0: 41:[39, 30] Operation: 60-30=30 Exploring Operation: 60/30=2, Resulting Numbers: [39, 2] Generated Node #0,0,1: 41:[39, 2] Operation: 60/30=2 Exploring Operation: 60-39=21, Resulting Numbers: [30, 21] Generated Node #0,0,2: 41:[30, 21] Operation: 60-39=21 Moving to Node #0,0,0 Current State: 41:[39, 30], Operations: ['87-48=39', '60-30=30'] Exploring Operation: 39+30=69, Resulting Numbers: [69] 69,41 unequal: No Solution Exploring Operation: 39-30=9, Resulting Numbers: [9] 9,41 unequal: No Solution Exploring Operation: 39*30=1170, Resulting Numbers: [1170] 1170,41 unequal: No Solution Moving to Node #0,0,2 Current State: 41:[30, 21], Operations: ['87-48=39', '60-39=21'] Exploring Operation: 30+21=51, Resulting Numbers: [51] 51,41 unequal: No Solution Exploring Operation: 30*21=630, Resulting Numbers: [630] 630,41 unequal: No Solution Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[39, 2], Operations: ['87-48=39', '60/30=2'] Exploring Operation: 39+2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[48, 30, 60, 87], Operations: [] Exploring Operation: 87-48=39, Resulting Numbers: [30, 60, 39] Generated Node #0,0: 41:[30, 60, 39] Operation: 87-48=39 Moving to Node #0,0 Current State: 41:[30, 60, 39], Operations: ['87-48=39'] Exploring Operation: 60/30=2, Resulting Numbers: [39, 2] Generated Node #0,0,1: 41:[39, 2] Operation: 60/30=2 Moving to Node #0,0,1 Current State: 41:[39, 2], Operations: ['87-48=39', '60/30=2'] Exploring Operation: 39+2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 11, 43, 11, 55 ]
47
[ "55-11=44", "44/11=4", "43+4=47" ]
Current State: 47:[11, 43, 11, 55], Operations: [] Exploring Operation: 55-11=44, Resulting Numbers: [43, 44] Generated Node #2: [43, 44] from Operation: 55-11=44 Current State: 47:[43, 44], Operations: ['55-11=44'] Exploring Operation: 44/11=4, Resulting Numbers: [43, 4] Generated Node #3: [43, 4] from Operation: 44/11=4 Current State: 47:[43, 4], Operations: ['55-11=44', '44/11=4'] Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[11, 43, 11, 55], Operations: [] Exploring Operation: 43+11=54, Resulting Numbers: [11, 55, 54] Generated Node #0,0: 47:[11, 55, 54] Operation: 43+11=54 Exploring Operation: 11+43=54, Resulting Numbers: [11, 55, 54] Generated Node #0,1: 47:[11, 55, 54] Operation: 11+43=54 Exploring Operation: 55-11=44, Resulting Numbers: [11, 43, 44] Generated Node #0,2: 47:[11, 43, 44] Operation: 55-11=44 Exploring Operation: 55-11=44, Resulting Numbers: [43, 11, 44] Generated Node #0,3: 47:[43, 11, 44] Operation: 55-11=44 Exploring Operation: 11+11=22, Resulting Numbers: [43, 55, 22] Generated Node #0,4: 47:[43, 55, 22] Operation: 11+11=22 Start Sub Search at level 1: Moving to Node #0,4 Current State: 47:[43, 55, 22], Operations: ['11+11=22'] Exploring Operation: 55-22=33, Resulting Numbers: [43, 33] Generated Node #0,4,0: 47:[43, 33] Operation: 55-22=33 Exploring Operation: 43-22=21, Resulting Numbers: [55, 21] Generated Node #0,4,1: 47:[55, 21] Operation: 43-22=21 Exploring Operation: 55-43=12, Resulting Numbers: [22, 12] Generated Node #0,4,2: 47:[22, 12] Operation: 55-43=12 Exploring Operation: 55+22=77, Resulting Numbers: [43, 77] Generated Node #0,4,3: 47:[43, 77] Operation: 55+22=77 Exploring Operation: 43+22=65, Resulting Numbers: [55, 65] Generated Node #0,4,4: 47:[55, 65] Operation: 43+22=65 Moving to Node #0,4,0 Current State: 47:[43, 33], Operations: ['11+11=22', '55-22=33'] Exploring Operation: 43*33=1419, Resulting Numbers: [1419] 1419,47 unequal: No Solution Exploring Operation: 43-33=10, Resulting Numbers: [10] 10,47 unequal: No Solution Exploring Operation: 43+33=76, Resulting Numbers: [76] 76,47 unequal: No Solution Moving to Node #0,4,4 Current State: 47:[55, 65], Operations: ['11+11=22', '43+22=65'] Exploring Operation: 55*65=3575, Resulting Numbers: [3575] 3575,47 unequal: No Solution Exploring Operation: 65-55=10, Resulting Numbers: [10] 10,47 unequal: No Solution Exploring Operation: 55+65=120, Resulting Numbers: [120] 120,47 unequal: No Solution Moving to Node #0,4,1 Current State: 47:[55, 21], Operations: ['11+11=22', '43-22=21'] Exploring Operation: 55*21=1155, Resulting Numbers: [1155] 1155,47 unequal: No Solution Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,47 unequal: No Solution Exploring Operation: 55+21=76, Resulting Numbers: [76] 76,47 unequal: No Solution Moving to Node #0,4,3 Current State: 47:[43, 77], Operations: ['11+11=22', '55+22=77'] Exploring Operation: 43+77=120, Resulting Numbers: [120] 120,47 unequal: No Solution Exploring Operation: 43*77=3311, Resulting Numbers: [3311] 3311,47 unequal: No Solution Exploring Operation: 77-43=34, Resulting Numbers: [34] 34,47 unequal: No Solution Moving to Node #0,4,2 Current State: 47:[22, 12], Operations: ['11+11=22', '55-43=12'] Exploring Operation: 22*12=264, Resulting Numbers: [264] 264,47 unequal: No Solution Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,47 unequal: No Solution Exploring Operation: 22+12=34, Resulting Numbers: [34] 34,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 47:[11, 43, 44], Operations: ['55-11=44'] Exploring Operation: 44/11=4, Resulting Numbers: [43, 4] Generated Node #0,2,0: 47:[43, 4] Operation: 44/11=4 Exploring Operation: 11+44=55, Resulting Numbers: [43, 55] Generated Node #0,2,1: 47:[43, 55] Operation: 11+44=55 Exploring Operation: 43-11=32, Resulting Numbers: [44, 32] Generated Node #0,2,2: 47:[44, 32] Operation: 43-11=32 Exploring Operation: 11+43=54, Resulting Numbers: [44, 54] Generated Node #0,2,3: 47:[44, 54] Operation: 11+43=54 Exploring Operation: 44-11=33, Resulting Numbers: [43, 33] Generated Node #0,2,4: 47:[43, 33] Operation: 44-11=33 Moving to Node #0,2,3 Current State: 47:[44, 54], Operations: ['55-11=44', '11+43=54'] Exploring Operation: 44*54=2376, Resulting Numbers: [2376] 2376,47 unequal: No Solution Exploring Operation: 44+54=98, Resulting Numbers: [98] 98,47 unequal: No Solution Exploring Operation: 54-44=10, Resulting Numbers: [10] 10,47 unequal: No Solution Moving to Node #0,2,1 Current State: 47:[43, 55], Operations: ['55-11=44', '11+44=55'] Exploring Operation: 43*55=2365, Resulting Numbers: [2365] 2365,47 unequal: No Solution Exploring Operation: 43+55=98, Resulting Numbers: [98] 98,47 unequal: No Solution Exploring Operation: 55-43=12, Resulting Numbers: [12] 12,47 unequal: No Solution Moving to Node #0,2,2 Current State: 47:[44, 32], Operations: ['55-11=44', '43-11=32'] Exploring Operation: 44*32=1408, Resulting Numbers: [1408] 1408,47 unequal: No Solution Exploring Operation: 44-32=12, Resulting Numbers: [12] 12,47 unequal: No Solution Exploring Operation: 44+32=76, Resulting Numbers: [76] 76,47 unequal: No Solution Moving to Node #0,2,4 Current State: 47:[43, 33], Operations: ['55-11=44', '44-11=33'] Exploring Operation: 43+33=76, Resulting Numbers: [76] 76,47 unequal: No Solution Exploring Operation: 43-33=10, Resulting Numbers: [10] 10,47 unequal: No Solution Exploring Operation: 43*33=1419, Resulting Numbers: [1419] 1419,47 unequal: No Solution Moving to Node #0,2,0 Current State: 47:[43, 4], Operations: ['55-11=44', '44/11=4'] Exploring Operation: 43*4=172, Resulting Numbers: [172] 172,47 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,47 unequal: No Solution Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[11, 43, 11, 55], Operations: [] Exploring Operation: 55-11=44, Resulting Numbers: [11, 43, 44] Generated Node #0,2: 47:[11, 43, 44] Operation: 55-11=44 Moving to Node #0,2 Current State: 47:[11, 43, 44], Operations: ['55-11=44'] Exploring Operation: 44/11=4, Resulting Numbers: [43, 4] Generated Node #0,2,0: 47:[43, 4] Operation: 44/11=4 Moving to Node #0,2,0 Current State: 47:[43, 4], Operations: ['55-11=44', '44/11=4'] Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.957465
hs_5
sum_heuristic
[ 80, 37, 43, 15 ]
15
[ "80-37=43", "43+15=58", "58-43=15" ]
Current State: 15:[80, 37, 43, 15], Operations: [] Exploring Operation: 80-37=43, Resulting Numbers: [43, 15, 43] Generated Node #2: [43, 15, 43] from Operation: 80-37=43 Current State: 15:[43, 15, 43], Operations: ['80-37=43'] Exploring Operation: 43+15=58, Resulting Numbers: [58] 58,15 equal: Goal Reached Exploring Operation: 58-43=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[80, 37, 43, 15], Operations: [] Exploring Operation: 80-37=43, Resulting Numbers: [43, 15, 43] Generated Node #0,0: 15:[43, 15, 43] Operation: 80-37=43 Exploring Operation: 43-37=6, Resulting Numbers: [80, 15, 6] Generated Node #0,1: 15:[80, 15, 6] Operation: 43-37=6 Exploring Operation: 80-15=65, Resulting Numbers: [37, 43, 65] Generated Node #0,2: 15:[37, 43, 65] Operation: 80-15=65 Exploring Operation: 80-43=37, Resulting Numbers: [37, 15, 37] Generated Node #0,3: 15:[37, 15, 37] Operation: 80-43=37 Moving to Node #0,3 Current State: 15:[37, 15, 37], Operations: ['80-43=37'] Exploring Operation: 37/37=1, Resulting Numbers: [15, 1] Generated Node #0,3,0: 15:[15, 1] Operation: 37/37=1 Exploring Operation: 37-15=22, Resulting Numbers: [37, 22] Generated Node #0,3,1: 15:[37, 22] Operation: 37-15=22 Exploring Operation: 37-37=0, Resulting Numbers: [15, 0] Generated Node #0,3,2: 15:[15, 0] Operation: 37-37=0 Exploring Operation: 37-15=22, Resulting Numbers: [37, 22] Generated Node #0,3,3: 15:[37, 22] Operation: 37-15=22 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 15:[15, 1], Operations: ['80-43=37', '37/37=1'] Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,15 unequal: No Solution Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[80, 37, 43, 15], Operations: [] Exploring Operation: 80-43=37, Resulting Numbers: [37, 15, 37] Generated Node #0,3: 15:[37, 15, 37] Operation: 80-43=37 Moving to Node #0,3 Current State: 15:[37, 15, 37], Operations: ['80-43=37'] Exploring Operation: 37/37=1, Resulting Numbers: [15, 1] Generated Node #0,3,0: 15:[15, 1] Operation: 37/37=1 Moving to Node #0,3,0 Current State: 15:[15, 1], Operations: ['80-43=37', '37/37=1'] Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 34, 77, 60, 31 ]
72
[ "77-34=43", "60-31=29", "43+29=72" ]
Current State: 72:[34, 77, 60, 31], Operations: [] Exploring Operation: 77-34=43, Resulting Numbers: [60, 31, 43] Generated Node #2: [60, 31, 43] from Operation: 77-34=43 Current State: 72:[60, 31, 43], Operations: ['77-34=43'] Exploring Operation: 60-31=29, Resulting Numbers: [43, 29] Generated Node #3: [43, 29] from Operation: 60-31=29 Current State: 72:[43, 29], Operations: ['77-34=43', '60-31=29'] Exploring Operation: 43+29=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[34, 77, 60, 31], Operations: [] Exploring Operation: 77-60=17, Resulting Numbers: [34, 31, 17] Generated Node #0,0: 72:[34, 31, 17] Operation: 77-60=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[34, 31, 17], Operations: ['77-60=17'] Exploring Operation: 34-31=3, Resulting Numbers: [17, 3] Generated Node #0,0,0: 72:[17, 3] Operation: 34-31=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 72:[17, 3], Operations: ['77-60=17', '34-31=3'] Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 78, 33, 47, 34 ]
39
[ "47-34=13", "78/13=6", "33+6=39" ]
Current State: 39:[78, 33, 47, 34], Operations: [] Exploring Operation: 47-34=13, Resulting Numbers: [78, 33, 13] Generated Node #2: [78, 33, 13] from Operation: 47-34=13 Current State: 39:[78, 33, 13], Operations: ['47-34=13'] Exploring Operation: 78/13=6, Resulting Numbers: [33, 6] Generated Node #3: [33, 6] from Operation: 78/13=6 Current State: 39:[33, 6], Operations: ['47-34=13', '78/13=6'] Exploring Operation: 33+6=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[78, 33, 47, 34], Operations: [] Exploring Operation: 47-34=13, Resulting Numbers: [78, 33, 13] Generated Node #0,0: 39:[78, 33, 13] Operation: 47-34=13 Exploring Operation: 78-34=44, Resulting Numbers: [33, 47, 44] Generated Node #0,1: 39:[33, 47, 44] Operation: 78-34=44 Exploring Operation: 78-33=45, Resulting Numbers: [47, 34, 45] Generated Node #0,2: 39:[47, 34, 45] Operation: 78-33=45 Exploring Operation: 78-47=31, Resulting Numbers: [33, 34, 31] Generated Node #0,3: 39:[33, 34, 31] Operation: 78-47=31 Exploring Operation: 47-33=14, Resulting Numbers: [78, 34, 14] Generated Node #0,4: 39:[78, 34, 14] Operation: 47-33=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[33, 47, 44], Operations: ['78-34=44'] Exploring Operation: 33+44=77, Resulting Numbers: [47, 77] Generated Node #0,1,0: 39:[47, 77] Operation: 33+44=77 Exploring Operation: 47-33=14, Resulting Numbers: [44, 14] Generated Node #0,1,1: 39:[44, 14] Operation: 47-33=14 Exploring Operation: 44-33=11, Resulting Numbers: [47, 11] Generated Node #0,1,2: 39:[47, 11] Operation: 44-33=11 Exploring Operation: 33+47=80, Resulting Numbers: [44, 80] Generated Node #0,1,3: 39:[44, 80] Operation: 33+47=80 Exploring Operation: 47-44=3, Resulting Numbers: [33, 3] Generated Node #0,1,4: 39:[33, 3] Operation: 47-44=3 Moving to Node #0,1,1 Current State: 39:[44, 14], Operations: ['78-34=44', '47-33=14'] Exploring Operation: 44+14=58, Resulting Numbers: [58] 58,39 unequal: No Solution Exploring Operation: 44-14=30, Resulting Numbers: [30] 30,39 unequal: No Solution Exploring Operation: 44*14=616, Resulting Numbers: [616] 616,39 unequal: No Solution Moving to Node #0,1,4 Current State: 39:[33, 3], Operations: ['78-34=44', '47-44=3'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,39 unequal: No Solution Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,39 unequal: No Solution Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,39 unequal: No Solution Moving to Node #0,1,2 Current State: 39:[47, 11], Operations: ['78-34=44', '44-33=11'] Exploring Operation: 47*11=517, Resulting Numbers: [517] 517,39 unequal: No Solution Exploring Operation: 47+11=58, Resulting Numbers: [58] 58,39 unequal: No Solution Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,39 unequal: No Solution Moving to Node #0,1,0 Current State: 39:[47, 77], Operations: ['78-34=44', '33+44=77'] Exploring Operation: 47+77=124, Resulting Numbers: [124] 124,39 unequal: No Solution Exploring Operation: 77-47=30, Resulting Numbers: [30] 30,39 unequal: No Solution Exploring Operation: 47*77=3619, Resulting Numbers: [3619] 3619,39 unequal: No Solution Moving to Node #0,1,3 Current State: 39:[44, 80], Operations: ['78-34=44', '33+47=80'] Exploring Operation: 44+80=124, Resulting Numbers: [124] 124,39 unequal: No Solution Exploring Operation: 44*80=3520, Resulting Numbers: [3520] 3520,39 unequal: No Solution Exploring Operation: 80-44=36, Resulting Numbers: [36] 36,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[47, 34, 45], Operations: ['78-33=45'] Exploring Operation: 45-34=11, Resulting Numbers: [47, 11] Generated Node #0,2,0: 39:[47, 11] Operation: 45-34=11 Exploring Operation: 47-45=2, Resulting Numbers: [34, 2] Generated Node #0,2,1: 39:[34, 2] Operation: 47-45=2 Exploring Operation: 47-34=13, Resulting Numbers: [45, 13] Generated Node #0,2,2: 39:[45, 13] Operation: 47-34=13 Exploring Operation: 47+34=81, Resulting Numbers: [45, 81] Generated Node #0,2,3: 39:[45, 81] Operation: 47+34=81 Exploring Operation: 34+45=79, Resulting Numbers: [47, 79] Generated Node #0,2,4: 39:[47, 79] Operation: 34+45=79 Moving to Node #0,2,1 Current State: 39:[34, 2], Operations: ['78-33=45', '47-45=2'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,39 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,39 unequal: No Solution Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,39 unequal: No Solution Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[45, 13], Operations: ['78-33=45', '47-34=13'] Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,39 unequal: No Solution Exploring Operation: 45+13=58, Resulting Numbers: [58] 58,39 unequal: No Solution Exploring Operation: 45*13=585, Resulting Numbers: [585] 585,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[47, 11], Operations: ['78-33=45', '45-34=11'] Exploring Operation: 47+11=58, Resulting Numbers: [58] 58,39 unequal: No Solution Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,39 unequal: No Solution Exploring Operation: 47*11=517, Resulting Numbers: [517] 517,39 unequal: No Solution Moving to Node #0,2,3 Current State: 39:[45, 81], Operations: ['78-33=45', '47+34=81'] Exploring Operation: 81-45=36, Resulting Numbers: [36] 36,39 unequal: No Solution Exploring Operation: 45+81=126, Resulting Numbers: [126] 126,39 unequal: No Solution Exploring Operation: 45*81=3645, Resulting Numbers: [3645] 3645,39 unequal: No Solution Moving to Node #0,2,4 Current State: 39:[47, 79], Operations: ['78-33=45', '34+45=79'] Exploring Operation: 47*79=3713, Resulting Numbers: [3713] 3713,39 unequal: No Solution Exploring Operation: 79-47=32, Resulting Numbers: [32] 32,39 unequal: No Solution Exploring Operation: 47+79=126, Resulting Numbers: [126] 126,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 39:[33, 34, 31], Operations: ['78-47=31'] Exploring Operation: 34+31=65, Resulting Numbers: [33, 65] Generated Node #0,3,0: 39:[33, 65] Operation: 34+31=65 Exploring Operation: 34-31=3, Resulting Numbers: [33, 3] Generated Node #0,3,1: 39:[33, 3] Operation: 34-31=3 Exploring Operation: 33+31=64, Resulting Numbers: [34, 64] Generated Node #0,3,2: 39:[34, 64] Operation: 33+31=64 Exploring Operation: 34-33=1, Resulting Numbers: [31, 1] Generated Node #0,3,3: 39:[31, 1] Operation: 34-33=1 Exploring Operation: 33-31=2, Resulting Numbers: [34, 2] Generated Node #0,3,4: 39:[34, 2] Operation: 33-31=2 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 39:[33, 3], Operations: ['78-47=31', '34-31=3'] Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,39 unequal: No Solution Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,39 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,39 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,39 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: 39:[34, 2], Operations: ['78-47=31', '33-31=2'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,39 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,39 unequal: No Solution Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,39 unequal: No Solution Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,39 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: 39:[31, 1], Operations: ['78-47=31', '34-33=1'] Exploring Operation: 31*1=31, Resulting Numbers: [31] 31,39 unequal: No Solution Exploring Operation: 31+1=32, Resulting Numbers: [32] 32,39 unequal: No Solution Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,39 unequal: No Solution Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,39 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: 39:[34, 64], Operations: ['78-47=31', '33+31=64'] Exploring Operation: 34*64=2176, Resulting Numbers: [2176] 2176,39 unequal: No Solution Exploring Operation: 34+64=98, Resulting Numbers: [98] 98,39 unequal: No Solution Exploring Operation: 64-34=30, Resulting Numbers: [30] 30,39 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: 39:[33, 65], Operations: ['78-47=31', '34+31=65'] Exploring Operation: 33+65=98, Resulting Numbers: [98] 98,39 unequal: No Solution Exploring Operation: 65-33=32, Resulting Numbers: [32] 32,39 unequal: No Solution Exploring Operation: 33*65=2145, Resulting Numbers: [2145] 2145,39 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: 39:[78, 33, 13], Operations: ['47-34=13'] Exploring Operation: 33+13=46, Resulting Numbers: [78, 46] Generated Node #0,0,0: 39:[78, 46] Operation: 33+13=46 Exploring Operation: 33-13=20, Resulting Numbers: [78, 20] Generated Node #0,0,1: 39:[78, 20] Operation: 33-13=20 Exploring Operation: 78-33=45, Resulting Numbers: [13, 45] Generated Node #0,0,2: 39:[13, 45] Operation: 78-33=45 Exploring Operation: 78-13=65, Resulting Numbers: [33, 65] Generated Node #0,0,3: 39:[33, 65] Operation: 78-13=65 Exploring Operation: 78/13=6, Resulting Numbers: [33, 6] Generated Node #0,0,4: 39:[33, 6] Operation: 78/13=6 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 39:[13, 45], Operations: ['47-34=13', '78-33=45'] Exploring Operation: 13*45=585, Resulting Numbers: [585] 585,39 unequal: No Solution Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,39 unequal: No Solution Exploring Operation: 13+45=58, Resulting Numbers: [58] 58,39 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: 39:[33, 6], Operations: ['47-34=13', '78/13=6'] Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,39 unequal: No Solution Exploring Operation: 33+6=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[78, 33, 47, 34], Operations: [] Exploring Operation: 47-34=13, Resulting Numbers: [78, 33, 13] Generated Node #0,0: 39:[78, 33, 13] Operation: 47-34=13 Moving to Node #0,0 Current State: 39:[78, 33, 13], Operations: ['47-34=13'] Exploring Operation: 78/13=6, Resulting Numbers: [33, 6] Generated Node #0,0,4: 39:[33, 6] Operation: 78/13=6 Moving to Node #0,0,4 Current State: 39:[33, 6], Operations: ['47-34=13', '78/13=6'] Exploring Operation: 33+6=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.927083
hs_5
sum_heuristic
[ 36, 5, 58, 72 ]
50
[ "36*5=180", "58+72=130", "180-130=50" ]
Current State: 50:[36, 5, 58, 72], Operations: [] Exploring Operation: 36*5=180, Resulting Numbers: [58, 72, 180] Generated Node #2: [58, 72, 180] from Operation: 36*5=180 Current State: 50:[58, 72, 180], Operations: ['36*5=180'] Exploring Operation: 58+72=130, Resulting Numbers: [180, 130] Generated Node #3: [180, 130] from Operation: 58+72=130 Current State: 50:[180, 130], Operations: ['36*5=180', '58+72=130'] Exploring Operation: 180-130=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[36, 5, 58, 72], Operations: [] Exploring Operation: 72-58=14, Resulting Numbers: [36, 5, 14] Generated Node #0,0: 50:[36, 5, 14] Operation: 72-58=14 Exploring Operation: 36-5=31, Resulting Numbers: [58, 72, 31] Generated Node #0,1: 50:[58, 72, 31] Operation: 36-5=31 Exploring Operation: 72-36=36, Resulting Numbers: [5, 58, 36] Generated Node #0,2: 50:[5, 58, 36] Operation: 72-36=36 Exploring Operation: 58-36=22, Resulting Numbers: [5, 72, 22] Generated Node #0,3: 50:[5, 72, 22] Operation: 58-36=22 Exploring Operation: 72/36=2, Resulting Numbers: [5, 58, 2] Generated Node #0,4: 50:[5, 58, 2] Operation: 72/36=2 Moving to Node #0,4 Current State: 50:[5, 58, 2], Operations: ['72/36=2'] Exploring Operation: 58-5=53, Resulting Numbers: [2, 53] Generated Node #0,4,0: 50:[2, 53] Operation: 58-5=53 Exploring Operation: 58-2=56, Resulting Numbers: [5, 56] Generated Node #0,4,1: 50:[5, 56] Operation: 58-2=56 Exploring Operation: 5*2=10, Resulting Numbers: [58, 10] Generated Node #0,4,2: 50:[58, 10] Operation: 5*2=10 Exploring Operation: 5-2=3, Resulting Numbers: [58, 3] Generated Node #0,4,3: 50:[58, 3] Operation: 5-2=3 Exploring Operation: 58/2=29, Resulting Numbers: [5, 29] Generated Node #0,4,4: 50:[5, 29] Operation: 58/2=29 Moving to Node #0,0 Current State: 50:[36, 5, 14], Operations: ['72-58=14'] Exploring Operation: 36+5=41, Resulting Numbers: [14, 41] Generated Node #0,0,0: 50:[14, 41] Operation: 36+5=41 Exploring Operation: 36+14=50, Resulting Numbers: [5, 50] Generated Node #0,0,1: 50:[5, 50] Operation: 36+14=50 Exploring Operation: 14-5=9, Resulting Numbers: [36, 9] Generated Node #0,0,2: 50:[36, 9] Operation: 14-5=9 Exploring Operation: 36-5=31, Resulting Numbers: [14, 31] Generated Node #0,0,3: 50:[14, 31] Operation: 36-5=31 Exploring Operation: 36-14=22, Resulting Numbers: [5, 22] Generated Node #0,0,4: 50:[5, 22] Operation: 36-14=22 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[5, 50], Operations: ['72-58=14', '36+14=50'] Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,50 unequal: No Solution Exploring Operation: 5*50=250, Resulting Numbers: [250] 250,50 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,50 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 #0,0,4 Current State: 50:[5, 22], Operations: ['72-58=14', '36-14=22'] Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 5*22=110, Resulting Numbers: [110] 110,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 50:[14, 31], Operations: ['72-58=14', '36-5=31'] Exploring Operation: 14*31=434, Resulting Numbers: [434] 434,50 unequal: No Solution Exploring Operation: 14+31=45, Resulting Numbers: [45] 45,50 unequal: No Solution Exploring Operation: 31-14=17, Resulting Numbers: [17] 17,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 50:[36, 9], Operations: ['72-58=14', '14-5=9'] Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 36+9=45, Resulting Numbers: [45] 45,50 unequal: No Solution Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 36*9=324, Resulting Numbers: [324] 324,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[14, 41], Operations: ['72-58=14', '36+5=41'] Exploring Operation: 14*41=574, Resulting Numbers: [574] 574,50 unequal: No Solution Exploring Operation: 41-14=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 14+41=55, Resulting Numbers: [55] 55,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 50:[5, 58, 36], Operations: ['72-36=36'] Exploring Operation: 5+58=63, Resulting Numbers: [36, 63] Generated Node #0,2,0: 50:[36, 63] Operation: 5+58=63 Exploring Operation: 58-5=53, Resulting Numbers: [36, 53] Generated Node #0,2,1: 50:[36, 53] Operation: 58-5=53 Exploring Operation: 58-36=22, Resulting Numbers: [5, 22] Generated Node #0,2,2: 50:[5, 22] Operation: 58-36=22 Exploring Operation: 36-5=31, Resulting Numbers: [58, 31] Generated Node #0,2,3: 50:[58, 31] Operation: 36-5=31 Exploring Operation: 5+36=41, Resulting Numbers: [58, 41] Generated Node #0,2,4: 50:[58, 41] Operation: 5+36=41 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 50:[5, 22], Operations: ['72-36=36', '58-36=22'] Exploring Operation: 5*22=110, Resulting Numbers: [110] 110,50 unequal: No Solution Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,50 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 #0,2,1 Current State: 50:[36, 53], Operations: ['72-36=36', '58-5=53'] Exploring Operation: 36+53=89, Resulting Numbers: [89] 89,50 unequal: No Solution Exploring Operation: 53-36=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 36*53=1908, Resulting Numbers: [1908] 1908,50 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 #0,2,3 Current State: 50:[58, 31], Operations: ['72-36=36', '36-5=31'] Exploring Operation: 58*31=1798, Resulting Numbers: [1798] 1798,50 unequal: No Solution Exploring Operation: 58+31=89, Resulting Numbers: [89] 89,50 unequal: No Solution Exploring Operation: 58-31=27, Resulting Numbers: [27] 27,50 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 #0,2,4 Current State: 50:[58, 41], Operations: ['72-36=36', '5+36=41'] Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 58+41=99, Resulting Numbers: [99] 99,50 unequal: No Solution Exploring Operation: 58*41=2378, Resulting Numbers: [2378] 2378,50 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 #0,2,0 Current State: 50:[36, 63], Operations: ['72-36=36', '5+58=63'] Exploring Operation: 36+63=99, Resulting Numbers: [99] 99,50 unequal: No Solution Exploring Operation: 36*63=2268, Resulting Numbers: [2268] 2268,50 unequal: No Solution Exploring Operation: 63-36=27, Resulting Numbers: [27] 27,50 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: 50:[5, 72, 22], Operations: ['58-36=22'] Exploring Operation: 5+22=27, Resulting Numbers: [72, 27] Generated Node #0,3,0: 50:[72, 27] Operation: 5+22=27 Exploring Operation: 5+72=77, Resulting Numbers: [22, 77] Generated Node #0,3,1: 50:[22, 77] Operation: 5+72=77 Exploring Operation: 72-22=50, Resulting Numbers: [5, 50] Generated Node #0,3,2: 50:[5, 50] Operation: 72-22=50 Exploring Operation: 72-5=67, Resulting Numbers: [22, 67] Generated Node #0,3,3: 50:[22, 67] Operation: 72-5=67 Exploring Operation: 22-5=17, Resulting Numbers: [72, 17] Generated Node #0,3,4: 50:[72, 17] Operation: 22-5=17 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 50:[5, 50], Operations: ['58-36=22', '72-22=50'] Exploring Operation: 5*50=250, Resulting Numbers: [250] 250,50 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,50 unequal: No Solution Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 50:[22, 67], Operations: ['58-36=22', '72-5=67'] Exploring Operation: 67-22=45, Resulting Numbers: [45] 45,50 unequal: No Solution Exploring Operation: 22*67=1474, Resulting Numbers: [1474] 1474,50 unequal: No Solution Exploring Operation: 22+67=89, Resulting Numbers: [89] 89,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 50:[72, 27], Operations: ['58-36=22', '5+22=27'] Exploring Operation: 72-27=45, Resulting Numbers: [45] 45,50 unequal: No Solution Exploring Operation: 72+27=99, Resulting Numbers: [99] 99,50 unequal: No Solution Exploring Operation: 72*27=1944, Resulting Numbers: [1944] 1944,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 50:[72, 17], Operations: ['58-36=22', '22-5=17'] Exploring Operation: 72-17=55, Resulting Numbers: [55] 55,50 unequal: No Solution Exploring Operation: 72+17=89, Resulting Numbers: [89] 89,50 unequal: No Solution Exploring Operation: 72*17=1224, Resulting Numbers: [1224] 1224,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 50:[22, 77], Operations: ['58-36=22', '5+72=77'] Exploring Operation: 77-22=55, Resulting Numbers: [55] 55,50 unequal: No Solution Exploring Operation: 22*77=1694, Resulting Numbers: [1694] 1694,50 unequal: No Solution Exploring Operation: 22+77=99, Resulting Numbers: [99] 99,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 50:[58, 72, 31], Operations: ['36-5=31'] Exploring Operation: 72-31=41, Resulting Numbers: [58, 41] Generated Node #0,1,0: 50:[58, 41] Operation: 72-31=41 Exploring Operation: 72-58=14, Resulting Numbers: [31, 14] Generated Node #0,1,1: 50:[31, 14] Operation: 72-58=14 Exploring Operation: 72+31=103, Resulting Numbers: [58, 103] Generated Node #0,1,2: 50:[58, 103] Operation: 72+31=103 Exploring Operation: 58+31=89, Resulting Numbers: [72, 89] Generated Node #0,1,3: 50:[72, 89] Operation: 58+31=89 Exploring Operation: 58-31=27, Resulting Numbers: [72, 27] Generated Node #0,1,4: 50:[72, 27] Operation: 58-31=27 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 50:[31, 14], Operations: ['36-5=31', '72-58=14'] Exploring Operation: 31-14=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 31+14=45, Resulting Numbers: [45] 45,50 unequal: No Solution Exploring Operation: 31*14=434, Resulting Numbers: [434] 434,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 50:[58, 41], Operations: ['36-5=31', '72-31=41'] Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 58+41=99, Resulting Numbers: [99] 99,50 unequal: No Solution Exploring Operation: 58*41=2378, Resulting Numbers: [2378] 2378,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 50:[72, 27], Operations: ['36-5=31', '58-31=27'] Exploring Operation: 72*27=1944, Resulting Numbers: [1944] 1944,50 unequal: No Solution Exploring Operation: 72-27=45, Resulting Numbers: [45] 45,50 unequal: No Solution Exploring Operation: 72+27=99, Resulting Numbers: [99] 99,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 50:[58, 103], Operations: ['36-5=31', '72+31=103'] Exploring Operation: 58+103=161, Resulting Numbers: [161] 161,50 unequal: No Solution Exploring Operation: 58*103=5974, Resulting Numbers: [5974] 5974,50 unequal: No Solution Exploring Operation: 103-58=45, Resulting Numbers: [45] 45,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 50:[72, 89], Operations: ['36-5=31', '58+31=89'] Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 72*89=6408, Resulting Numbers: [6408] 6408,50 unequal: No Solution Exploring Operation: 72+89=161, Resulting Numbers: [161] 161,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,0 Current State: 50:[2, 53], Operations: ['72/36=2', '58-5=53'] Exploring Operation: 2*53=106, Resulting Numbers: [106] 106,50 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,50 unequal: No Solution Moving to Node #0,4,4 Current State: 50:[5, 29], Operations: ['72/36=2', '58/2=29'] Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,50 unequal: No Solution Exploring Operation: 5*29=145, Resulting Numbers: [145] 145,50 unequal: No Solution Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,50 unequal: No Solution Moving to Node #0,4,1 Current State: 50:[5, 56], Operations: ['72/36=2', '58-2=56'] Exploring Operation: 5*56=280, Resulting Numbers: [280] 280,50 unequal: No Solution Exploring Operation: 5+56=61, Resulting Numbers: [61] 61,50 unequal: No Solution Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,50 unequal: No Solution Moving to Node #0,4,2 Current State: 50:[58, 10], Operations: ['72/36=2', '5*2=10'] Exploring Operation: 58-10=48, Resulting Numbers: [48] 48,50 unequal: No Solution Exploring Operation: 58+10=68, Resulting Numbers: [68] 68,50 unequal: No Solution Exploring Operation: 58*10=580, Resulting Numbers: [580] 580,50 unequal: No Solution Moving to Node #0,4,3 Current State: 50:[58, 3], Operations: ['72/36=2', '5-2=3'] Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,50 unequal: No Solution Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,50 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,50 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 81, 29, 31, 65 ]
97
[ "31-29=2", "81*2=162", "162-65=97" ]
Current State: 97:[81, 29, 31, 65], Operations: [] Exploring Operation: 31-29=2, Resulting Numbers: [81, 65, 2] Generated Node #2: [81, 65, 2] from Operation: 31-29=2 Current State: 97:[81, 65, 2], Operations: ['31-29=2'] Exploring Operation: 81*2=162, Resulting Numbers: [65, 162] Generated Node #3: [65, 162] from Operation: 81*2=162 Current State: 97:[65, 162], Operations: ['31-29=2', '81*2=162'] Exploring Operation: 162-65=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[81, 29, 31, 65], Operations: [] Exploring Operation: 81+29=110, Resulting Numbers: [31, 65, 110] Generated Node #0,0: 97:[31, 65, 110] Operation: 81+29=110 Exploring Operation: 29+31=60, Resulting Numbers: [81, 65, 60] Generated Node #0,1: 97:[81, 65, 60] Operation: 29+31=60 Exploring Operation: 31+65=96, Resulting Numbers: [81, 29, 96] Generated Node #0,2: 97:[81, 29, 96] Operation: 31+65=96 Exploring Operation: 81+31=112, Resulting Numbers: [29, 65, 112] Generated Node #0,3: 97:[29, 65, 112] Operation: 81+31=112 Exploring Operation: 29+65=94, Resulting Numbers: [81, 31, 94] Generated Node #0,4: 97:[81, 31, 94] Operation: 29+65=94 Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[81, 65, 60], Operations: ['29+31=60'] Exploring Operation: 65-60=5, Resulting Numbers: [81, 5] Generated Node #0,1,0: 97:[81, 5] Operation: 65-60=5 Exploring Operation: 81-60=21, Resulting Numbers: [65, 21] Generated Node #0,1,1: 97:[65, 21] Operation: 81-60=21 Exploring Operation: 81+60=141, Resulting Numbers: [65, 141] Generated Node #0,1,2: 97:[65, 141] Operation: 81+60=141 Exploring Operation: 81+65=146, Resulting Numbers: [60, 146] Generated Node #0,1,3: 97:[60, 146] Operation: 81+65=146 Exploring Operation: 65+60=125, Resulting Numbers: [81, 125] Generated Node #0,1,4: 97:[81, 125] Operation: 65+60=125 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 97:[81, 125], Operations: ['29+31=60', '65+60=125'] Exploring Operation: 81+125=206, Resulting Numbers: [206] 206,97 unequal: No Solution Exploring Operation: 81*125=10125, Resulting Numbers: [10125] 10125,97 unequal: No Solution Exploring Operation: 125-81=44, Resulting Numbers: [44] 44,97 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: 97:[65, 141], Operations: ['29+31=60', '81+60=141'] Exploring Operation: 65*141=9165, Resulting Numbers: [9165] 9165,97 unequal: No Solution Exploring Operation: 65+141=206, Resulting Numbers: [206] 206,97 unequal: No Solution Exploring Operation: 141-65=76, Resulting Numbers: [76] 76,97 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: 97:[60, 146], Operations: ['29+31=60', '81+65=146'] Exploring Operation: 146-60=86, Resulting Numbers: [86] 86,97 unequal: No Solution Exploring Operation: 60+146=206, Resulting Numbers: [206] 206,97 unequal: No Solution Exploring Operation: 60*146=8760, Resulting Numbers: [8760] 8760,97 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: 97:[81, 5], Operations: ['29+31=60', '65-60=5'] Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,97 unequal: No Solution Exploring Operation: 81*5=405, Resulting Numbers: [405] 405,97 unequal: No Solution Exploring Operation: 81-5=76, Resulting Numbers: [76] 76,97 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: 97:[65, 21], Operations: ['29+31=60', '81-60=21'] Exploring Operation: 65-21=44, Resulting Numbers: [44] 44,97 unequal: No Solution Exploring Operation: 65+21=86, Resulting Numbers: [86] 86,97 unequal: No Solution Exploring Operation: 65*21=1365, Resulting Numbers: [1365] 1365,97 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: 97:[81, 29, 96], Operations: ['31+65=96'] Exploring Operation: 81+96=177, Resulting Numbers: [29, 177] Generated Node #0,2,0: 97:[29, 177] Operation: 81+96=177 Exploring Operation: 96-29=67, Resulting Numbers: [81, 67] Generated Node #0,2,1: 97:[81, 67] Operation: 96-29=67 Exploring Operation: 29+96=125, Resulting Numbers: [81, 125] Generated Node #0,2,2: 97:[81, 125] Operation: 29+96=125 Exploring Operation: 81+29=110, Resulting Numbers: [96, 110] Generated Node #0,2,3: 97:[96, 110] Operation: 81+29=110 Exploring Operation: 81-29=52, Resulting Numbers: [96, 52] Generated Node #0,2,4: 97:[96, 52] Operation: 81-29=52 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 97:[96, 110], Operations: ['31+65=96', '81+29=110'] Exploring Operation: 96+110=206, Resulting Numbers: [206] 206,97 unequal: No Solution Exploring Operation: 96*110=10560, Resulting Numbers: [10560] 10560,97 unequal: No Solution Exploring Operation: 110-96=14, Resulting Numbers: [14] 14,97 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: 97:[81, 125], Operations: ['31+65=96', '29+96=125'] Exploring Operation: 81*125=10125, Resulting Numbers: [10125] 10125,97 unequal: No Solution Exploring Operation: 81+125=206, Resulting Numbers: [206] 206,97 unequal: No Solution Exploring Operation: 125-81=44, Resulting Numbers: [44] 44,97 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: 97:[81, 67], Operations: ['31+65=96', '96-29=67'] Exploring Operation: 81*67=5427, Resulting Numbers: [5427] 5427,97 unequal: No Solution Exploring Operation: 81+67=148, Resulting Numbers: [148] 148,97 unequal: No Solution Exploring Operation: 81-67=14, Resulting Numbers: [14] 14,97 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: 97:[96, 52], Operations: ['31+65=96', '81-29=52'] Exploring Operation: 96+52=148, Resulting Numbers: [148] 148,97 unequal: No Solution Exploring Operation: 96-52=44, Resulting Numbers: [44] 44,97 unequal: No Solution Exploring Operation: 96*52=4992, Resulting Numbers: [4992] 4992,97 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: 97:[29, 177], Operations: ['31+65=96', '81+96=177'] Exploring Operation: 29*177=5133, Resulting Numbers: [5133] 5133,97 unequal: No Solution Exploring Operation: 29+177=206, Resulting Numbers: [206] 206,97 unequal: No Solution Exploring Operation: 177-29=148, Resulting Numbers: [148] 148,97 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: 97:[81, 31, 94], Operations: ['29+65=94'] Exploring Operation: 81+94=175, Resulting Numbers: [31, 175] Generated Node #0,4,0: 97:[31, 175] Operation: 81+94=175 Exploring Operation: 31+94=125, Resulting Numbers: [81, 125] Generated Node #0,4,1: 97:[81, 125] Operation: 31+94=125 Exploring Operation: 81+31=112, Resulting Numbers: [94, 112] Generated Node #0,4,2: 97:[94, 112] Operation: 81+31=112 Exploring Operation: 94-31=63, Resulting Numbers: [81, 63] Generated Node #0,4,3: 97:[81, 63] Operation: 94-31=63 Exploring Operation: 81-31=50, Resulting Numbers: [94, 50] Generated Node #0,4,4: 97:[94, 50] Operation: 81-31=50 Moving to Node #0,4,2 Current State: 97:[94, 112], Operations: ['29+65=94', '81+31=112'] Exploring Operation: 94+112=206, Resulting Numbers: [206] 206,97 unequal: No Solution Exploring Operation: 112-94=18, Resulting Numbers: [18] 18,97 unequal: No Solution Exploring Operation: 94*112=10528, Resulting Numbers: [10528] 10528,97 unequal: No Solution Moving to Node #0,4,1 Current State: 97:[81, 125], Operations: ['29+65=94', '31+94=125'] Exploring Operation: 125-81=44, Resulting Numbers: [44] 44,97 unequal: No Solution Exploring Operation: 81*125=10125, Resulting Numbers: [10125] 10125,97 unequal: No Solution Exploring Operation: 81+125=206, Resulting Numbers: [206] 206,97 unequal: No Solution Moving to Node #0,4,3 Current State: 97:[81, 63], Operations: ['29+65=94', '94-31=63'] Exploring Operation: 81*63=5103, Resulting Numbers: [5103] 5103,97 unequal: No Solution Exploring Operation: 81+63=144, Resulting Numbers: [144] 144,97 unequal: No Solution Exploring Operation: 81-63=18, Resulting Numbers: [18] 18,97 unequal: No Solution Moving to Node #0,4,4 Current State: 97:[94, 50], Operations: ['29+65=94', '81-31=50'] Exploring Operation: 94-50=44, Resulting Numbers: [44] 44,97 unequal: No Solution Exploring Operation: 94+50=144, Resulting Numbers: [144] 144,97 unequal: No Solution Exploring Operation: 94*50=4700, Resulting Numbers: [4700] 4700,97 unequal: No Solution Moving to Node #0,4,0 Current State: 97:[31, 175], Operations: ['29+65=94', '81+94=175'] Exploring Operation: 175-31=144, Resulting Numbers: [144] 144,97 unequal: No Solution Exploring Operation: 31+175=206, Resulting Numbers: [206] 206,97 unequal: No Solution Exploring Operation: 31*175=5425, Resulting Numbers: [5425] 5425,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[31, 65, 110], Operations: ['81+29=110'] Exploring Operation: 31+65=96, Resulting Numbers: [110, 96] Generated Node #0,0,0: 97:[110, 96] Operation: 31+65=96 Exploring Operation: 65-31=34, Resulting Numbers: [110, 34] Generated Node #0,0,1: 97:[110, 34] Operation: 65-31=34 Exploring Operation: 110-65=45, Resulting Numbers: [31, 45] Generated Node #0,0,2: 97:[31, 45] Operation: 110-65=45 Exploring Operation: 110-31=79, Resulting Numbers: [65, 79] Generated Node #0,0,3: 97:[65, 79] Operation: 110-31=79 Exploring Operation: 31+110=141, Resulting Numbers: [65, 141] Generated Node #0,0,4: 97:[65, 141] Operation: 31+110=141 Moving to Node #0,0,0 Current State: 97:[110, 96], Operations: ['81+29=110', '31+65=96'] Exploring Operation: 110*96=10560, Resulting Numbers: [10560] 10560,97 unequal: No Solution Exploring Operation: 110+96=206, Resulting Numbers: [206] 206,97 unequal: No Solution Exploring Operation: 110-96=14, Resulting Numbers: [14] 14,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[65, 79], Operations: ['81+29=110', '110-31=79'] Exploring Operation: 65+79=144, Resulting Numbers: [144] 144,97 unequal: No Solution Exploring Operation: 65*79=5135, Resulting Numbers: [5135] 5135,97 unequal: No Solution Exploring Operation: 79-65=14, Resulting Numbers: [14] 14,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[110, 34], Operations: ['81+29=110', '65-31=34'] Exploring Operation: 110-34=76, Resulting Numbers: [76] 76,97 unequal: No Solution Exploring Operation: 110*34=3740, Resulting Numbers: [3740] 3740,97 unequal: No Solution Exploring Operation: 110+34=144, Resulting Numbers: [144] 144,97 unequal: No Solution Moving to Node #0,0,4 Current State: 97:[65, 141], Operations: ['81+29=110', '31+110=141'] Exploring Operation: 65+141=206, Resulting Numbers: [206] 206,97 unequal: No Solution Exploring Operation: 141-65=76, Resulting Numbers: [76] 76,97 unequal: No Solution Exploring Operation: 65*141=9165, Resulting Numbers: [9165] 9165,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[31, 45], Operations: ['81+29=110', '110-65=45'] Exploring Operation: 31*45=1395, Resulting Numbers: [1395] 1395,97 unequal: No Solution Exploring Operation: 31+45=76, Resulting Numbers: [76] 76,97 unequal: No Solution Exploring Operation: 45-31=14, Resulting Numbers: [14] 14,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 97:[29, 65, 112], Operations: ['81+31=112'] Exploring Operation: 112-29=83, Resulting Numbers: [65, 83] Generated Node #0,3,0: 97:[65, 83] Operation: 112-29=83 Exploring Operation: 29+65=94, Resulting Numbers: [112, 94] Generated Node #0,3,1: 97:[112, 94] Operation: 29+65=94 Exploring Operation: 112-65=47, Resulting Numbers: [29, 47] Generated Node #0,3,2: 97:[29, 47] Operation: 112-65=47 Exploring Operation: 29+112=141, Resulting Numbers: [65, 141] Generated Node #0,3,3: 97:[65, 141] Operation: 29+112=141 Exploring Operation: 65-29=36, Resulting Numbers: [112, 36] Generated Node #0,3,4: 97:[112, 36] Operation: 65-29=36 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 97:[112, 94], Operations: ['81+31=112', '29+65=94'] Exploring Operation: 112-94=18, Resulting Numbers: [18] 18,97 unequal: No Solution Exploring Operation: 112+94=206, Resulting Numbers: [206] 206,97 unequal: No Solution Exploring Operation: 112*94=10528, Resulting Numbers: [10528] 10528,97 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: 97:[65, 83], Operations: ['81+31=112', '112-29=83'] Exploring Operation: 65+83=148, Resulting Numbers: [148] 148,97 unequal: No Solution Exploring Operation: 65*83=5395, Resulting Numbers: [5395] 5395,97 unequal: No Solution Exploring Operation: 83-65=18, Resulting Numbers: [18] 18,97 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: 97:[65, 141], Operations: ['81+31=112', '29+112=141'] Exploring Operation: 65+141=206, Resulting Numbers: [206] 206,97 unequal: No Solution Exploring Operation: 141-65=76, Resulting Numbers: [76] 76,97 unequal: No Solution Exploring Operation: 65*141=9165, Resulting Numbers: [9165] 9165,97 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: 97:[112, 36], Operations: ['81+31=112', '65-29=36'] Exploring Operation: 112+36=148, Resulting Numbers: [148] 148,97 unequal: No Solution Exploring Operation: 112*36=4032, Resulting Numbers: [4032] 4032,97 unequal: No Solution Exploring Operation: 112-36=76, Resulting Numbers: [76] 76,97 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: 97:[29, 47], Operations: ['81+31=112', '112-65=47'] Exploring Operation: 47-29=18, Resulting Numbers: [18] 18,97 unequal: No Solution Exploring Operation: 29+47=76, Resulting Numbers: [76] 76,97 unequal: No Solution Exploring Operation: 29*47=1363, Resulting Numbers: [1363] 1363,97 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