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
[ 12, 89, 42, 63 ]
81
[ "12*42=504", "504/63=8", "89-8=81" ]
Current State: 81:[12, 89, 42, 63], Operations: [] Exploring Operation: 12*42=504, Resulting Numbers: [89, 63, 504] Generated Node #2: [89, 63, 504] from Operation: 12*42=504 Current State: 81:[89, 63, 504], Operations: ['12*42=504'] Exploring Operation: 504/63=8, Resulting Numbers: [89, 8] Generated Node #3: [89, 8] from Operation: 504/63=8 Current State: 81:[89, 8], Operations: ['12*42=504', '504/63=8'] Exploring Operation: 89-8=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[12, 89, 42, 63], Operations: [] Exploring Operation: 42-12=30, Resulting Numbers: [89, 63, 30] Generated Node #0,0: 81:[89, 63, 30] Operation: 42-12=30 Exploring Operation: 12+63=75, Resulting Numbers: [89, 42, 75] Generated Node #0,1: 81:[89, 42, 75] Operation: 12+63=75 Exploring Operation: 63-42=21, Resulting Numbers: [12, 89, 21] Generated Node #0,2: 81:[12, 89, 21] Operation: 63-42=21 Exploring Operation: 89-63=26, Resulting Numbers: [12, 42, 26] Generated Node #0,3: 81:[12, 42, 26] Operation: 89-63=26 Exploring Operation: 42+63=105, Resulting Numbers: [12, 89, 105] Generated Node #0,4: 81:[12, 89, 105] Operation: 42+63=105 Start Sub Search at level 1: Moving to Node #0,2 Current State: 81:[12, 89, 21], Operations: ['63-42=21'] Exploring Operation: 89-21=68, Resulting Numbers: [12, 68] Generated Node #0,2,0: 81:[12, 68] Operation: 89-21=68 Exploring Operation: 89-12=77, Resulting Numbers: [21, 77] Generated Node #0,2,1: 81:[21, 77] Operation: 89-12=77 Exploring Operation: 12+21=33, Resulting Numbers: [89, 33] Generated Node #0,2,2: 81:[89, 33] Operation: 12+21=33 Exploring Operation: 21-12=9, Resulting Numbers: [89, 9] Generated Node #0,2,3: 81:[89, 9] Operation: 21-12=9 Exploring Operation: 12+89=101, Resulting Numbers: [21, 101] Generated Node #0,2,4: 81:[21, 101] Operation: 12+89=101 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 81:[89, 9], Operations: ['63-42=21', '21-12=9'] Exploring Operation: 89-9=80, Resulting Numbers: [80] 80,81 unequal: No Solution Exploring Operation: 89*9=801, Resulting Numbers: [801] 801,81 unequal: No Solution Exploring Operation: 89+9=98, Resulting Numbers: [98] 98,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 81:[21, 77], Operations: ['63-42=21', '89-12=77'] Exploring Operation: 21*77=1617, Resulting Numbers: [1617] 1617,81 unequal: No Solution Exploring Operation: 77-21=56, Resulting Numbers: [56] 56,81 unequal: No Solution Exploring Operation: 21+77=98, Resulting Numbers: [98] 98,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 81:[89, 33], Operations: ['63-42=21', '12+21=33'] Exploring Operation: 89-33=56, Resulting Numbers: [56] 56,81 unequal: No Solution Exploring Operation: 89*33=2937, Resulting Numbers: [2937] 2937,81 unequal: No Solution Exploring Operation: 89+33=122, Resulting Numbers: [122] 122,81 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:[12, 68], Operations: ['63-42=21', '89-21=68'] Exploring Operation: 12+68=80, Resulting Numbers: [80] 80,81 unequal: No Solution Exploring Operation: 12*68=816, Resulting Numbers: [816] 816,81 unequal: No Solution Exploring Operation: 68-12=56, Resulting Numbers: [56] 56,81 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 #0,2,4 Current State: 81:[21, 101], Operations: ['63-42=21', '12+89=101'] Exploring Operation: 21*101=2121, Resulting Numbers: [2121] 2121,81 unequal: No Solution Exploring Operation: 21+101=122, Resulting Numbers: [122] 122,81 unequal: No Solution Exploring Operation: 101-21=80, Resulting Numbers: [80] 80,81 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 #0,3 Current State: 81:[12, 42, 26], Operations: ['89-63=26'] Exploring Operation: 42+26=68, Resulting Numbers: [12, 68] Generated Node #0,3,0: 81:[12, 68] Operation: 42+26=68 Exploring Operation: 42-26=16, Resulting Numbers: [12, 16] Generated Node #0,3,1: 81:[12, 16] Operation: 42-26=16 Exploring Operation: 26-12=14, Resulting Numbers: [42, 14] Generated Node #0,3,2: 81:[42, 14] Operation: 26-12=14 Exploring Operation: 42-12=30, Resulting Numbers: [26, 30] Generated Node #0,3,3: 81:[26, 30] Operation: 42-12=30 Exploring Operation: 12+26=38, Resulting Numbers: [42, 38] Generated Node #0,3,4: 81:[42, 38] Operation: 12+26=38 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 81:[26, 30], Operations: ['89-63=26', '42-12=30'] Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 26*30=780, Resulting Numbers: [780] 780,81 unequal: No Solution Exploring Operation: 26+30=56, Resulting Numbers: [56] 56,81 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 #0,3,1 Current State: 81:[12, 16], Operations: ['89-63=26', '42-26=16'] Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 12+16=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 12*16=192, Resulting Numbers: [192] 192,81 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:[12, 68], Operations: ['89-63=26', '42+26=68'] Exploring Operation: 12*68=816, Resulting Numbers: [816] 816,81 unequal: No Solution Exploring Operation: 12+68=80, Resulting Numbers: [80] 80,81 unequal: No Solution Exploring Operation: 68-12=56, Resulting Numbers: [56] 56,81 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:[42, 14], Operations: ['89-63=26', '26-12=14'] Exploring Operation: 42+14=56, Resulting Numbers: [56] 56,81 unequal: No Solution Exploring Operation: 42*14=588, Resulting Numbers: [588] 588,81 unequal: No Solution Exploring Operation: 42/14=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 42-14=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 #0,3,4 Current State: 81:[42, 38], Operations: ['89-63=26', '12+26=38'] Exploring Operation: 42+38=80, Resulting Numbers: [80] 80,81 unequal: No Solution Exploring Operation: 42*38=1596, Resulting Numbers: [1596] 1596,81 unequal: No Solution Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,81 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:[89, 63, 30], Operations: ['42-12=30'] Exploring Operation: 63-30=33, Resulting Numbers: [89, 33] Generated Node #0,0,0: 81:[89, 33] Operation: 63-30=33 Exploring Operation: 63+30=93, Resulting Numbers: [89, 93] Generated Node #0,0,1: 81:[89, 93] Operation: 63+30=93 Exploring Operation: 89+30=119, Resulting Numbers: [63, 119] Generated Node #0,0,2: 81:[63, 119] Operation: 89+30=119 Exploring Operation: 89-30=59, Resulting Numbers: [63, 59] Generated Node #0,0,3: 81:[63, 59] Operation: 89-30=59 Exploring Operation: 89-63=26, Resulting Numbers: [30, 26] Generated Node #0,0,4: 81:[30, 26] Operation: 89-63=26 Moving to Node #0,0,4 Current State: 81:[30, 26], Operations: ['42-12=30', '89-63=26'] Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 30*26=780, Resulting Numbers: [780] 780,81 unequal: No Solution Exploring Operation: 30+26=56, Resulting Numbers: [56] 56,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[89, 33], Operations: ['42-12=30', '63-30=33'] Exploring Operation: 89*33=2937, Resulting Numbers: [2937] 2937,81 unequal: No Solution Exploring Operation: 89+33=122, Resulting Numbers: [122] 122,81 unequal: No Solution Exploring Operation: 89-33=56, Resulting Numbers: [56] 56,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[89, 93], Operations: ['42-12=30', '63+30=93'] Exploring Operation: 89+93=182, Resulting Numbers: [182] 182,81 unequal: No Solution Exploring Operation: 93-89=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 89*93=8277, Resulting Numbers: [8277] 8277,81 unequal: No Solution Moving to Node #0,0,3 Current State: 81:[63, 59], Operations: ['42-12=30', '89-30=59'] Exploring Operation: 63-59=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 63+59=122, Resulting Numbers: [122] 122,81 unequal: No Solution Exploring Operation: 63*59=3717, Resulting Numbers: [3717] 3717,81 unequal: No Solution Moving to Node #0,0,2 Current State: 81:[63, 119], Operations: ['42-12=30', '89+30=119'] Exploring Operation: 63*119=7497, Resulting Numbers: [7497] 7497,81 unequal: No Solution Exploring Operation: 63+119=182, Resulting Numbers: [182] 182,81 unequal: No Solution Exploring Operation: 119-63=56, Resulting Numbers: [56] 56,81 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 #0,1 Current State: 81:[89, 42, 75], Operations: ['12+63=75'] Exploring Operation: 89-75=14, Resulting Numbers: [42, 14] Generated Node #0,1,0: 81:[42, 14] Operation: 89-75=14 Exploring Operation: 89-42=47, Resulting Numbers: [75, 47] Generated Node #0,1,1: 81:[75, 47] Operation: 89-42=47 Exploring Operation: 42+75=117, Resulting Numbers: [89, 117] Generated Node #0,1,2: 81:[89, 117] Operation: 42+75=117 Exploring Operation: 75-42=33, Resulting Numbers: [89, 33] Generated Node #0,1,3: 81:[89, 33] Operation: 75-42=33 Exploring Operation: 89+42=131, Resulting Numbers: [75, 131] Generated Node #0,1,4: 81:[75, 131] Operation: 89+42=131 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 81:[89, 33], Operations: ['12+63=75', '75-42=33'] Exploring Operation: 89*33=2937, Resulting Numbers: [2937] 2937,81 unequal: No Solution Exploring Operation: 89+33=122, Resulting Numbers: [122] 122,81 unequal: No Solution Exploring Operation: 89-33=56, Resulting Numbers: [56] 56,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 81:[42, 14], Operations: ['12+63=75', '89-75=14'] Exploring Operation: 42/14=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 42+14=56, Resulting Numbers: [56] 56,81 unequal: No Solution Exploring Operation: 42-14=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 42*14=588, Resulting Numbers: [588] 588,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 81:[75, 47], Operations: ['12+63=75', '89-42=47'] Exploring Operation: 75*47=3525, Resulting Numbers: [3525] 3525,81 unequal: No Solution Exploring Operation: 75-47=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 75+47=122, Resulting Numbers: [122] 122,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 81:[89, 117], Operations: ['12+63=75', '42+75=117'] Exploring Operation: 89+117=206, Resulting Numbers: [206] 206,81 unequal: No Solution Exploring Operation: 89*117=10413, Resulting Numbers: [10413] 10413,81 unequal: No Solution Exploring Operation: 117-89=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 #0,1,4 Current State: 81:[75, 131], Operations: ['12+63=75', '89+42=131'] Exploring Operation: 131-75=56, Resulting Numbers: [56] 56,81 unequal: No Solution Exploring Operation: 75*131=9825, Resulting Numbers: [9825] 9825,81 unequal: No Solution Exploring Operation: 75+131=206, Resulting Numbers: [206] 206,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 81:[12, 89, 105], Operations: ['42+63=105'] Exploring Operation: 105-89=16, Resulting Numbers: [12, 16] Generated Node #0,4,0: 81:[12, 16] Operation: 105-89=16 Exploring Operation: 12+105=117, Resulting Numbers: [89, 117] Generated Node #0,4,1: 81:[89, 117] Operation: 12+105=117 Exploring Operation: 12+89=101, Resulting Numbers: [105, 101] Generated Node #0,4,2: 81:[105, 101] Operation: 12+89=101 Exploring Operation: 89-12=77, Resulting Numbers: [105, 77] Generated Node #0,4,3: 81:[105, 77] Operation: 89-12=77 Exploring Operation: 105-12=93, Resulting Numbers: [89, 93] Generated Node #0,4,4: 81:[89, 93] Operation: 105-12=93 Moving to Node #0,4,0 Current State: 81:[12, 16], Operations: ['42+63=105', '105-89=16'] Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 12+16=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 12*16=192, Resulting Numbers: [192] 192,81 unequal: No Solution Moving to Node #0,4,4 Current State: 81:[89, 93], Operations: ['42+63=105', '105-12=93'] Exploring Operation: 89+93=182, Resulting Numbers: [182] 182,81 unequal: No Solution Exploring Operation: 93-89=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 89*93=8277, Resulting Numbers: [8277] 8277,81 unequal: No Solution Moving to Node #0,4,3 Current State: 81:[105, 77], Operations: ['42+63=105', '89-12=77'] Exploring Operation: 105+77=182, Resulting Numbers: [182] 182,81 unequal: No Solution Exploring Operation: 105*77=8085, Resulting Numbers: [8085] 8085,81 unequal: No Solution Exploring Operation: 105-77=28, Resulting Numbers: [28] 28,81 unequal: No Solution Moving to Node #0,4,1 Current State: 81:[89, 117], Operations: ['42+63=105', '12+105=117'] Exploring Operation: 89*117=10413, Resulting Numbers: [10413] 10413,81 unequal: No Solution Exploring Operation: 89+117=206, Resulting Numbers: [206] 206,81 unequal: No Solution Exploring Operation: 117-89=28, Resulting Numbers: [28] 28,81 unequal: No Solution Moving to Node #0,4,2 Current State: 81:[105, 101], Operations: ['42+63=105', '12+89=101'] Exploring Operation: 105-101=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 105+101=206, Resulting Numbers: [206] 206,81 unequal: No Solution Exploring Operation: 105*101=10605, Resulting Numbers: [10605] 10605,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 30, 92, 7, 28 ]
97
[ "92-30=62", "7+28=35", "62+35=97" ]
Current State: 97:[30, 92, 7, 28], Operations: [] Exploring Operation: 92-30=62, Resulting Numbers: [7, 28, 62] Generated Node #2: [7, 28, 62] from Operation: 92-30=62 Current State: 97:[7, 28, 62], Operations: ['92-30=62'] Exploring Operation: 7+28=35, Resulting Numbers: [62, 35] Generated Node #3: [62, 35] from Operation: 7+28=35 Current State: 97:[62, 35], Operations: ['92-30=62', '7+28=35'] Exploring Operation: 62+35=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[30, 92, 7, 28], Operations: [] Exploring Operation: 30+7=37, Resulting Numbers: [92, 28, 37] Generated Node #0,0: 97:[92, 28, 37] Operation: 30+7=37 Moving to Node #0,0 Current State: 97:[92, 28, 37], Operations: ['30+7=37'] Exploring Operation: 28+37=65, Resulting Numbers: [92, 65] Generated Node #0,0,0: 97:[92, 65] Operation: 28+37=65 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[92, 65], Operations: ['30+7=37', '28+37=65'] Exploring Operation: 92+65=157, Resulting Numbers: [157] 157,97 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
[ 38, 45, 53, 51 ]
17
[ "53-38=15", "45/15=3", "51/3=17" ]
Current State: 17:[38, 45, 53, 51], Operations: [] Exploring Operation: 53-38=15, Resulting Numbers: [45, 51, 15] Generated Node #2: [45, 51, 15] from Operation: 53-38=15 Current State: 17:[45, 51, 15], Operations: ['53-38=15'] Exploring Operation: 45/15=3, Resulting Numbers: [51, 3] Generated Node #3: [51, 3] from Operation: 45/15=3 Current State: 17:[51, 3], Operations: ['53-38=15', '45/15=3'] Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[38, 45, 53, 51], Operations: [] Exploring Operation: 53-38=15, Resulting Numbers: [45, 51, 15] Generated Node #0,0: 17:[45, 51, 15] Operation: 53-38=15 Moving to Node #0,0 Current State: 17:[45, 51, 15], Operations: ['53-38=15'] Exploring Operation: 51-45=6, Resulting Numbers: [15, 6] Generated Node #0,0,0: 17:[15, 6] Operation: 51-45=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[15, 6], Operations: ['53-38=15', '51-45=6'] Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,17 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, 84, 56, 32 ]
65
[ "69+84=153", "56+32=88", "153-88=65" ]
Current State: 65:[69, 84, 56, 32], Operations: [] Exploring Operation: 69+84=153, Resulting Numbers: [56, 32, 153] Generated Node #2: [56, 32, 153] from Operation: 69+84=153 Current State: 65:[56, 32, 153], Operations: ['69+84=153'] Exploring Operation: 56+32=88, Resulting Numbers: [153, 88] Generated Node #3: [153, 88] from Operation: 56+32=88 Current State: 65:[153, 88], Operations: ['69+84=153', '56+32=88'] Exploring Operation: 153-88=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[69, 84, 56, 32], Operations: [] Exploring Operation: 84-69=15, Resulting Numbers: [56, 32, 15] Generated Node #0,0: 65:[56, 32, 15] Operation: 84-69=15 Exploring Operation: 69-56=13, Resulting Numbers: [84, 32, 13] Generated Node #0,1: 65:[84, 32, 13] Operation: 69-56=13 Exploring Operation: 56-32=24, Resulting Numbers: [69, 84, 24] Generated Node #0,2: 65:[69, 84, 24] Operation: 56-32=24 Exploring Operation: 84-32=52, Resulting Numbers: [69, 56, 52] Generated Node #0,3: 65:[69, 56, 52] Operation: 84-32=52 Moving to Node #0,3 Current State: 65:[69, 56, 52], Operations: ['84-32=52'] Exploring Operation: 69-56=13, Resulting Numbers: [52, 13] Generated Node #0,3,0: 65:[52, 13] Operation: 69-56=13 Exploring Operation: 69-52=17, Resulting Numbers: [56, 17] Generated Node #0,3,1: 65:[56, 17] Operation: 69-52=17 Exploring Operation: 56+52=108, Resulting Numbers: [69, 108] Generated Node #0,3,2: 65:[69, 108] Operation: 56+52=108 Exploring Operation: 56-52=4, Resulting Numbers: [69, 4] Generated Node #0,3,3: 65:[69, 4] Operation: 56-52=4 Moving to Node #0,0 Current State: 65:[56, 32, 15], Operations: ['84-69=15'] Exploring Operation: 56+15=71, Resulting Numbers: [32, 71] Generated Node #0,0,0: 65:[32, 71] Operation: 56+15=71 Exploring Operation: 32-15=17, Resulting Numbers: [56, 17] Generated Node #0,0,1: 65:[56, 17] Operation: 32-15=17 Exploring Operation: 56-32=24, Resulting Numbers: [15, 24] Generated Node #0,0,2: 65:[15, 24] Operation: 56-32=24 Exploring Operation: 56+32=88, Resulting Numbers: [15, 88] Generated Node #0,0,3: 65:[15, 88] Operation: 56+32=88 Moving to Node #0,2 Current State: 65:[69, 84, 24], Operations: ['56-32=24'] Exploring Operation: 69+24=93, Resulting Numbers: [84, 93] Generated Node #0,2,0: 65:[84, 93] Operation: 69+24=93 Exploring Operation: 84-24=60, Resulting Numbers: [69, 60] Generated Node #0,2,1: 65:[69, 60] Operation: 84-24=60 Exploring Operation: 84-69=15, Resulting Numbers: [24, 15] Generated Node #0,2,2: 65:[24, 15] Operation: 84-69=15 Exploring Operation: 69-24=45, Resulting Numbers: [84, 45] Generated Node #0,2,3: 65:[84, 45] Operation: 69-24=45 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 65:[69, 60], Operations: ['56-32=24', '84-24=60'] Exploring Operation: 69+60=129, Resulting Numbers: [129] 129,65 unequal: No Solution Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,65 unequal: No Solution Exploring Operation: 69*60=4140, Resulting Numbers: [4140] 4140,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 65:[24, 15], Operations: ['56-32=24', '84-69=15'] Exploring Operation: 24*15=360, Resulting Numbers: [360] 360,65 unequal: No Solution Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,65 unequal: No Solution Exploring Operation: 24+15=39, Resulting Numbers: [39] 39,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 65:[84, 45], Operations: ['56-32=24', '69-24=45'] Exploring Operation: 84*45=3780, Resulting Numbers: [3780] 3780,65 unequal: No Solution Exploring Operation: 84+45=129, Resulting Numbers: [129] 129,65 unequal: No Solution Exploring Operation: 84-45=39, Resulting Numbers: [39] 39,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 65:[84, 93], Operations: ['56-32=24', '69+24=93'] Exploring Operation: 84*93=7812, Resulting Numbers: [7812] 7812,65 unequal: No Solution Exploring Operation: 84+93=177, Resulting Numbers: [177] 177,65 unequal: No Solution Exploring Operation: 93-84=9, Resulting Numbers: [9] 9,65 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:[84, 32, 13], Operations: ['69-56=13'] Exploring Operation: 32-13=19, Resulting Numbers: [84, 19] Generated Node #0,1,0: 65:[84, 19] Operation: 32-13=19 Exploring Operation: 32+13=45, Resulting Numbers: [84, 45] Generated Node #0,1,1: 65:[84, 45] Operation: 32+13=45 Exploring Operation: 84-13=71, Resulting Numbers: [32, 71] Generated Node #0,1,2: 65:[32, 71] Operation: 84-13=71 Exploring Operation: 84-32=52, Resulting Numbers: [13, 52] Generated Node #0,1,3: 65:[13, 52] Operation: 84-32=52 Moving to Node #0,3,3 Current State: 65:[69, 4], Operations: ['84-32=52', '56-52=4'] Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[69, 84, 56, 32], Operations: [] Exploring Operation: 84-32=52, Resulting Numbers: [69, 56, 52] Generated Node #0,3: 65:[69, 56, 52] Operation: 84-32=52 Moving to Node #0,3 Current State: 65:[69, 56, 52], Operations: ['84-32=52'] Exploring Operation: 56-52=4, Resulting Numbers: [69, 4] Generated Node #0,3,3: 65:[69, 4] Operation: 56-52=4 Moving to Node #0,3,3 Current State: 65:[69, 4], Operations: ['84-32=52', '56-52=4'] Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
0.967882
hs_4
mult_heuristic
[ 63, 2, 52, 82 ]
30
[ "63-52=11", "82/2=41", "41-11=30" ]
Current State: 30:[63, 2, 52, 82], Operations: [] Exploring Operation: 63-52=11, Resulting Numbers: [2, 82, 11] Generated Node #2: [2, 82, 11] from Operation: 63-52=11 Current State: 30:[2, 82, 11], Operations: ['63-52=11'] Exploring Operation: 82/2=41, Resulting Numbers: [11, 41] Generated Node #3: [11, 41] from Operation: 82/2=41 Current State: 30:[11, 41], Operations: ['63-52=11', '82/2=41'] Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[63, 2, 52, 82], Operations: [] Exploring Operation: 82-63=19, Resulting Numbers: [2, 52, 19] Generated Node #0,0: 30:[2, 52, 19] Operation: 82-63=19 Exploring Operation: 82-52=30, Resulting Numbers: [63, 2, 30] Generated Node #0,1: 30:[63, 2, 30] Operation: 82-52=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[2, 52, 19], Operations: ['82-63=19'] Exploring Operation: 52/2=26, Resulting Numbers: [19, 26] Generated Node #0,0,0: 30:[19, 26] Operation: 52/2=26 Exploring Operation: 52-19=33, Resulting Numbers: [2, 33] Generated Node #0,0,1: 30:[2, 33] Operation: 52-19=33 Moving to Node #0,0,1 Current State: 30:[2, 33], Operations: ['82-63=19', '52-19=33'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,30 unequal: No Solution Moving to Node #0,0,0 Current State: 30:[19, 26], Operations: ['82-63=19', '52/2=26'] Exploring Operation: 19+26=45, Resulting Numbers: [45] 45,30 unequal: No Solution Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[63, 2, 30], Operations: ['82-52=30'] Exploring Operation: 63-2=61, Resulting Numbers: [30, 61] Generated Node #0,1,0: 30:[30, 61] Operation: 63-2=61 Exploring Operation: 63-30=33, Resulting Numbers: [2, 33] Generated Node #0,1,1: 30:[2, 33] Operation: 63-30=33 Moving to Node #0,1,1 Current State: 30:[2, 33], Operations: ['82-52=30', '63-30=33'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,30 unequal: No Solution Moving to Node #0,1,0 Current State: 30:[30, 61], Operations: ['82-52=30', '63-2=61'] Exploring Operation: 61-30=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 30+61=91, Resulting Numbers: [91] 91,30 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
[ 23, 61, 25, 49 ]
14
[ "61-23=38", "49-25=24", "38-24=14" ]
Current State: 14:[23, 61, 25, 49], Operations: [] Exploring Operation: 61-23=38, Resulting Numbers: [25, 49, 38] Generated Node #2: [25, 49, 38] from Operation: 61-23=38 Current State: 14:[25, 49, 38], Operations: ['61-23=38'] Exploring Operation: 49-25=24, Resulting Numbers: [38, 24] Generated Node #3: [38, 24] from Operation: 49-25=24 Current State: 14:[38, 24], Operations: ['61-23=38', '49-25=24'] Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[23, 61, 25, 49], Operations: [] Exploring Operation: 49-25=24, Resulting Numbers: [23, 61, 24] Generated Node #0,0: 14:[23, 61, 24] Operation: 49-25=24 Exploring Operation: 61-23=38, Resulting Numbers: [25, 49, 38] Generated Node #0,1: 14:[25, 49, 38] Operation: 61-23=38 Exploring Operation: 61-25=36, Resulting Numbers: [23, 49, 36] Generated Node #0,2: 14:[23, 49, 36] Operation: 61-25=36 Exploring Operation: 61-49=12, Resulting Numbers: [23, 25, 12] Generated Node #0,3: 14:[23, 25, 12] Operation: 61-49=12 Start Sub Search at level 1: Moving to Node #0,3 Current State: 14:[23, 25, 12], Operations: ['61-49=12'] Exploring Operation: 23+12=35, Resulting Numbers: [25, 35] Generated Node #0,3,0: 14:[25, 35] Operation: 23+12=35 Exploring Operation: 25-23=2, Resulting Numbers: [12, 2] Generated Node #0,3,1: 14:[12, 2] Operation: 25-23=2 Exploring Operation: 25-12=13, Resulting Numbers: [23, 13] Generated Node #0,3,2: 14:[23, 13] Operation: 25-12=13 Exploring Operation: 23-12=11, Resulting Numbers: [25, 11] Generated Node #0,3,3: 14:[25, 11] Operation: 23-12=11 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 14:[12, 2], Operations: ['61-49=12', '25-23=2'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,14 unequal: No Solution Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[23, 61, 25, 49], Operations: [] Exploring Operation: 61-49=12, Resulting Numbers: [23, 25, 12] Generated Node #0,3: 14:[23, 25, 12] Operation: 61-49=12 Moving to Node #0,3 Current State: 14:[23, 25, 12], Operations: ['61-49=12'] Exploring Operation: 25-23=2, Resulting Numbers: [12, 2] Generated Node #0,3,1: 14:[12, 2] Operation: 25-23=2 Moving to Node #0,3,1 Current State: 14:[12, 2], Operations: ['61-49=12', '25-23=2'] Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 64, 93, 4, 31 ]
33
[ "64+93=157", "4*31=124", "157-124=33" ]
Current State: 33:[64, 93, 4, 31], Operations: [] Exploring Operation: 64+93=157, Resulting Numbers: [4, 31, 157] Generated Node #2: [4, 31, 157] from Operation: 64+93=157 Current State: 33:[4, 31, 157], Operations: ['64+93=157'] Exploring Operation: 4*31=124, Resulting Numbers: [157, 124] Generated Node #3: [157, 124] from Operation: 4*31=124 Current State: 33:[157, 124], Operations: ['64+93=157', '4*31=124'] Exploring Operation: 157-124=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[64, 93, 4, 31], Operations: [] Exploring Operation: 64-31=33, Resulting Numbers: [93, 4, 33] Generated Node #0,0: 33:[93, 4, 33] Operation: 64-31=33 Exploring Operation: 93-64=29, Resulting Numbers: [4, 31, 29] Generated Node #0,1: 33:[4, 31, 29] Operation: 93-64=29 Exploring Operation: 93/31=3, Resulting Numbers: [64, 4, 3] Generated Node #0,2: 33:[64, 4, 3] Operation: 93/31=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[4, 31, 29], Operations: ['93-64=29'] Exploring Operation: 4+31=35, Resulting Numbers: [29, 35] Generated Node #0,1,0: 33:[29, 35] Operation: 4+31=35 Exploring Operation: 4+29=33, Resulting Numbers: [31, 33] Generated Node #0,1,1: 33:[31, 33] Operation: 4+29=33 Exploring Operation: 31-29=2, Resulting Numbers: [4, 2] Generated Node #0,1,2: 33:[4, 2] Operation: 31-29=2 Moving to Node #0,1,1 Current State: 33:[31, 33], Operations: ['93-64=29', '4+29=33'] Exploring Operation: 31*33=1023, Resulting Numbers: [1023] 1023,33 unequal: No Solution Exploring Operation: 31+33=64, Resulting Numbers: [64] 64,33 unequal: No Solution Exploring Operation: 33-31=2, Resulting Numbers: [2] 2,33 unequal: No Solution Moving to Node #0,1,2 Current State: 33:[4, 2], Operations: ['93-64=29', '31-29=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,33 unequal: No Solution Moving to Node #0,1,0 Current State: 33:[29, 35], Operations: ['93-64=29', '4+31=35'] Exploring Operation: 29+35=64, Resulting Numbers: [64] 64,33 unequal: No Solution Exploring Operation: 35-29=6, Resulting Numbers: [6] 6,33 unequal: No Solution Exploring Operation: 29*35=1015, Resulting Numbers: [1015] 1015,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[64, 4, 3], Operations: ['93/31=3'] Exploring Operation: 64/4=16, Resulting Numbers: [3, 16] Generated Node #0,2,0: 33:[3, 16] Operation: 64/4=16 Exploring Operation: 64-3=61, Resulting Numbers: [4, 61] Generated Node #0,2,1: 33:[4, 61] Operation: 64-3=61 Exploring Operation: 64-4=60, Resulting Numbers: [3, 60] Generated Node #0,2,2: 33:[3, 60] Operation: 64-4=60 Moving to Node #0,2,0 Current State: 33:[3, 16], Operations: ['93/31=3', '64/4=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,33 unequal: No Solution Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,33 unequal: No Solution Moving to Node #0,2,2 Current State: 33:[3, 60], Operations: ['93/31=3', '64-4=60'] Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,33 unequal: No Solution Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,33 unequal: No Solution Exploring Operation: 3+60=63, Resulting Numbers: [63] 63,33 unequal: No Solution Moving to Node #0,2,1 Current State: 33:[4, 61], Operations: ['93/31=3', '64-3=61'] Exploring Operation: 4*61=244, Resulting Numbers: [244] 244,33 unequal: No Solution Exploring Operation: 4+61=65, Resulting Numbers: [65] 65,33 unequal: No Solution Exploring Operation: 61-4=57, Resulting Numbers: [57] 57,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[93, 4, 33], Operations: ['64-31=33'] Exploring Operation: 93+4=97, Resulting Numbers: [33, 97] Generated Node #0,0,0: 33:[33, 97] Operation: 93+4=97 Exploring Operation: 93-33=60, Resulting Numbers: [4, 60] Generated Node #0,0,1: 33:[4, 60] Operation: 93-33=60 Exploring Operation: 93-4=89, Resulting Numbers: [33, 89] Generated Node #0,0,2: 33:[33, 89] Operation: 93-4=89 Moving to Node #0,0,1 Current State: 33:[4, 60], Operations: ['64-31=33', '93-33=60'] Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,33 unequal: No Solution Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,33 unequal: No Solution Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,33 unequal: No Solution Moving to Node #0,0,2 Current State: 33:[33, 89], Operations: ['64-31=33', '93-4=89'] Exploring Operation: 33+89=122, Resulting Numbers: [122] 122,33 unequal: No Solution Exploring Operation: 89-33=56, Resulting Numbers: [56] 56,33 unequal: No Solution Exploring Operation: 33*89=2937, Resulting Numbers: [2937] 2937,33 unequal: No Solution Moving to Node #0,0,0 Current State: 33:[33, 97], Operations: ['64-31=33', '93+4=97'] Exploring Operation: 97-33=64, Resulting Numbers: [64] 64,33 unequal: No Solution Exploring Operation: 33*97=3201, Resulting Numbers: [3201] 3201,33 unequal: No Solution Exploring Operation: 33+97=130, Resulting Numbers: [130] 130,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 13, 53, 12, 4 ]
32
[ "53-13=40", "12-4=8", "40-8=32" ]
Current State: 32:[13, 53, 12, 4], Operations: [] Exploring Operation: 53-13=40, Resulting Numbers: [12, 4, 40] Generated Node #2: [12, 4, 40] from Operation: 53-13=40 Current State: 32:[12, 4, 40], Operations: ['53-13=40'] Exploring Operation: 12-4=8, Resulting Numbers: [40, 8] Generated Node #3: [40, 8] from Operation: 12-4=8 Current State: 32:[40, 8], Operations: ['53-13=40', '12-4=8'] Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[13, 53, 12, 4], Operations: [] Exploring Operation: 53-13=40, Resulting Numbers: [12, 4, 40] Generated Node #0,0: 32:[12, 4, 40] Operation: 53-13=40 Moving to Node #0,0 Current State: 32:[12, 4, 40], Operations: ['53-13=40'] Exploring Operation: 40-12=28, Resulting Numbers: [4, 28] Generated Node #0,0,0: 32:[4, 28] Operation: 40-12=28 Moving to Node #0,0,0 Current State: 32:[4, 28], Operations: ['53-13=40', '40-12=28'] Exploring Operation: 4+28=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[13, 53, 12, 4], Operations: [] Exploring Operation: 53-13=40, Resulting Numbers: [12, 4, 40] Generated Node #0,0: 32:[12, 4, 40] Operation: 53-13=40 Moving to Node #0,0 Current State: 32:[12, 4, 40], Operations: ['53-13=40'] Exploring Operation: 40-12=28, Resulting Numbers: [4, 28] Generated Node #0,0,0: 32:[4, 28] Operation: 40-12=28 Moving to Node #0,0,0 Current State: 32:[4, 28], Operations: ['53-13=40', '40-12=28'] Exploring Operation: 4+28=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 18, 3, 27, 26 ]
87
[ "27-18=9", "3*26=78", "9+78=87" ]
Current State: 87:[18, 3, 27, 26], Operations: [] Exploring Operation: 27-18=9, Resulting Numbers: [3, 26, 9] Generated Node #2: [3, 26, 9] from Operation: 27-18=9 Current State: 87:[3, 26, 9], Operations: ['27-18=9'] Exploring Operation: 3*26=78, Resulting Numbers: [9, 78] Generated Node #3: [9, 78] from Operation: 3*26=78 Current State: 87:[9, 78], Operations: ['27-18=9', '3*26=78'] Exploring Operation: 9+78=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[18, 3, 27, 26], Operations: [] Exploring Operation: 26-18=8, Resulting Numbers: [3, 27, 8] Generated Node #0,0: 87:[3, 27, 8] Operation: 26-18=8 Moving to Node #0,0 Current State: 87:[3, 27, 8], Operations: ['26-18=8'] Exploring Operation: 8-3=5, Resulting Numbers: [27, 5] Generated Node #0,0,0: 87:[27, 5] Operation: 8-3=5 Moving to Node #0,0,0 Current State: 87:[27, 5], Operations: ['26-18=8', '8-3=5'] Exploring Operation: 27+5=32, Resulting Numbers: [32] 32,87 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 13, 48, 18, 54 ]
10
[ "54-48=6", "18/6=3", "13-3=10" ]
Current State: 10:[13, 48, 18, 54], Operations: [] Exploring Operation: 54-48=6, Resulting Numbers: [13, 18, 6] Generated Node #2: [13, 18, 6] from Operation: 54-48=6 Current State: 10:[13, 18, 6], Operations: ['54-48=6'] Exploring Operation: 18/6=3, Resulting Numbers: [13, 3] Generated Node #3: [13, 3] from Operation: 18/6=3 Current State: 10:[13, 3], Operations: ['54-48=6', '18/6=3'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[13, 48, 18, 54], Operations: [] Exploring Operation: 54/18=3, Resulting Numbers: [13, 48, 3] Generated Node #0,0: 10:[13, 48, 3] Operation: 54/18=3 Exploring Operation: 54-48=6, Resulting Numbers: [13, 18, 6] Generated Node #0,1: 10:[13, 18, 6] Operation: 54-48=6 Moving to Node #0,1 Current State: 10:[13, 18, 6], Operations: ['54-48=6'] Exploring Operation: 18/6=3, Resulting Numbers: [13, 3] Generated Node #0,1,0: 10:[13, 3] Operation: 18/6=3 Exploring Operation: 18-13=5, Resulting Numbers: [6, 5] Generated Node #0,1,1: 10:[6, 5] Operation: 18-13=5 Moving to Node #0,0 Current State: 10:[13, 48, 3], Operations: ['54/18=3'] Exploring Operation: 48-13=35, Resulting Numbers: [3, 35] Generated Node #0,0,0: 10:[3, 35] Operation: 48-13=35 Exploring Operation: 48/3=16, Resulting Numbers: [13, 16] Generated Node #0,0,1: 10:[13, 16] Operation: 48/3=16 Moving to Node #0,1,1 Current State: 10:[6, 5], Operations: ['54-48=6', '18-13=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[13, 3], Operations: ['54-48=6', '18/6=3'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[13, 48, 18, 54], Operations: [] Exploring Operation: 54-48=6, Resulting Numbers: [13, 18, 6] Generated Node #0,1: 10:[13, 18, 6] Operation: 54-48=6 Moving to Node #0,1 Current State: 10:[13, 18, 6], Operations: ['54-48=6'] Exploring Operation: 18/6=3, Resulting Numbers: [13, 3] Generated Node #0,1,0: 10:[13, 3] Operation: 18/6=3 Moving to Node #0,1,0 Current State: 10:[13, 3], Operations: ['54-48=6', '18/6=3'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
0.988715
hs_2
sum_heuristic
[ 95, 4, 29, 27 ]
42
[ "95-29=66", "4*27=108", "108-66=42" ]
Current State: 42:[95, 4, 29, 27], Operations: [] Exploring Operation: 95-29=66, Resulting Numbers: [4, 27, 66] Generated Node #2: [4, 27, 66] from Operation: 95-29=66 Current State: 42:[4, 27, 66], Operations: ['95-29=66'] Exploring Operation: 4*27=108, Resulting Numbers: [66, 108] Generated Node #3: [66, 108] from Operation: 4*27=108 Current State: 42:[66, 108], Operations: ['95-29=66', '4*27=108'] Exploring Operation: 108-66=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[95, 4, 29, 27], Operations: [] Exploring Operation: 95-29=66, Resulting Numbers: [4, 27, 66] Generated Node #0,0: 42:[4, 27, 66] Operation: 95-29=66 Exploring Operation: 95-4=91, Resulting Numbers: [29, 27, 91] Generated Node #0,1: 42:[29, 27, 91] Operation: 95-4=91 Exploring Operation: 95-27=68, Resulting Numbers: [4, 29, 68] Generated Node #0,2: 42:[4, 29, 68] Operation: 95-27=68 Exploring Operation: 29-27=2, Resulting Numbers: [95, 4, 2] Generated Node #0,3: 42:[95, 4, 2] Operation: 29-27=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[4, 27, 66], Operations: ['95-29=66'] Exploring Operation: 4+27=31, Resulting Numbers: [66, 31] Generated Node #0,0,0: 42:[66, 31] Operation: 4+27=31 Exploring Operation: 66-27=39, Resulting Numbers: [4, 39] Generated Node #0,0,1: 42:[4, 39] Operation: 66-27=39 Exploring Operation: 66-4=62, Resulting Numbers: [27, 62] Generated Node #0,0,2: 42:[27, 62] Operation: 66-4=62 Exploring Operation: 27-4=23, Resulting Numbers: [66, 23] Generated Node #0,0,3: 42:[66, 23] Operation: 27-4=23 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 42:[4, 39], Operations: ['95-29=66', '66-27=39'] Exploring Operation: 4*39=156, Resulting Numbers: [156] 156,42 unequal: No Solution Exploring Operation: 4+39=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 42:[27, 62], Operations: ['95-29=66', '66-4=62'] Exploring Operation: 27*62=1674, Resulting Numbers: [1674] 1674,42 unequal: No Solution Exploring Operation: 27+62=89, Resulting Numbers: [89] 89,42 unequal: No Solution Exploring Operation: 62-27=35, Resulting Numbers: [35] 35,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 42:[66, 23], Operations: ['95-29=66', '27-4=23'] Exploring Operation: 66*23=1518, Resulting Numbers: [1518] 1518,42 unequal: No Solution Exploring Operation: 66+23=89, Resulting Numbers: [89] 89,42 unequal: No Solution Exploring Operation: 66-23=43, Resulting Numbers: [43] 43,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[66, 31], Operations: ['95-29=66', '4+27=31'] Exploring Operation: 66*31=2046, Resulting Numbers: [2046] 2046,42 unequal: No Solution Exploring Operation: 66-31=35, Resulting Numbers: [35] 35,42 unequal: No Solution Exploring Operation: 66+31=97, Resulting Numbers: [97] 97,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 42:[4, 29, 68], Operations: ['95-27=68'] Exploring Operation: 29-4=25, Resulting Numbers: [68, 25] Generated Node #0,2,0: 42:[68, 25] Operation: 29-4=25 Exploring Operation: 68/4=17, Resulting Numbers: [29, 17] Generated Node #0,2,1: 42:[29, 17] Operation: 68/4=17 Exploring Operation: 68-4=64, Resulting Numbers: [29, 64] Generated Node #0,2,2: 42:[29, 64] Operation: 68-4=64 Exploring Operation: 68-29=39, Resulting Numbers: [4, 39] Generated Node #0,2,3: 42:[4, 39] Operation: 68-29=39 Moving to Node #0,2,3 Current State: 42:[4, 39], Operations: ['95-27=68', '68-29=39'] Exploring Operation: 4*39=156, Resulting Numbers: [156] 156,42 unequal: No Solution Exploring Operation: 4+39=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,42 unequal: No Solution Moving to Node #0,2,1 Current State: 42:[29, 17], Operations: ['95-27=68', '68/4=17'] Exploring Operation: 29+17=46, Resulting Numbers: [46] 46,42 unequal: No Solution Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,42 unequal: No Solution Exploring Operation: 29*17=493, Resulting Numbers: [493] 493,42 unequal: No Solution Moving to Node #0,2,2 Current State: 42:[29, 64], Operations: ['95-27=68', '68-4=64'] Exploring Operation: 29*64=1856, Resulting Numbers: [1856] 1856,42 unequal: No Solution Exploring Operation: 29+64=93, Resulting Numbers: [93] 93,42 unequal: No Solution Exploring Operation: 64-29=35, Resulting Numbers: [35] 35,42 unequal: No Solution Moving to Node #0,2,0 Current State: 42:[68, 25], Operations: ['95-27=68', '29-4=25'] Exploring Operation: 68+25=93, Resulting Numbers: [93] 93,42 unequal: No Solution Exploring Operation: 68-25=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 68*25=1700, Resulting Numbers: [1700] 1700,42 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 #0,3 Current State: 42:[95, 4, 2], Operations: ['29-27=2'] Exploring Operation: 4-2=2, Resulting Numbers: [95, 2] Generated Node #0,3,0: 42:[95, 2] Operation: 4-2=2 Exploring Operation: 95-4=91, Resulting Numbers: [2, 91] Generated Node #0,3,1: 42:[2, 91] Operation: 95-4=91 Exploring Operation: 4+2=6, Resulting Numbers: [95, 6] Generated Node #0,3,2: 42:[95, 6] Operation: 4+2=6 Exploring Operation: 95-2=93, Resulting Numbers: [4, 93] Generated Node #0,3,3: 42:[4, 93] Operation: 95-2=93 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 42:[2, 91], Operations: ['29-27=2', '95-4=91'] Exploring Operation: 2+91=93, Resulting Numbers: [93] 93,42 unequal: No Solution Exploring Operation: 2*91=182, Resulting Numbers: [182] 182,42 unequal: No Solution Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 42:[4, 93], Operations: ['29-27=2', '95-2=93'] Exploring Operation: 4+93=97, Resulting Numbers: [97] 97,42 unequal: No Solution Exploring Operation: 93-4=89, Resulting Numbers: [89] 89,42 unequal: No Solution Exploring Operation: 4*93=372, Resulting Numbers: [372] 372,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 42:[95, 2], Operations: ['29-27=2', '4-2=2'] Exploring Operation: 95+2=97, Resulting Numbers: [97] 97,42 unequal: No Solution Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,42 unequal: No Solution Exploring Operation: 95*2=190, Resulting Numbers: [190] 190,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 42:[95, 6], Operations: ['29-27=2', '4+2=6'] Exploring Operation: 95+6=101, Resulting Numbers: [101] 101,42 unequal: No Solution Exploring Operation: 95-6=89, Resulting Numbers: [89] 89,42 unequal: No Solution Exploring Operation: 95*6=570, Resulting Numbers: [570] 570,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[29, 27, 91], Operations: ['95-4=91'] Exploring Operation: 91-27=64, Resulting Numbers: [29, 64] Generated Node #0,1,0: 42:[29, 64] Operation: 91-27=64 Exploring Operation: 29-27=2, Resulting Numbers: [91, 2] Generated Node #0,1,1: 42:[91, 2] Operation: 29-27=2 Exploring Operation: 29+27=56, Resulting Numbers: [91, 56] Generated Node #0,1,2: 42:[91, 56] Operation: 29+27=56 Exploring Operation: 91-29=62, Resulting Numbers: [27, 62] Generated Node #0,1,3: 42:[27, 62] Operation: 91-29=62 Moving to Node #0,1,3 Current State: 42:[27, 62], Operations: ['95-4=91', '91-29=62'] Exploring Operation: 27+62=89, Resulting Numbers: [89] 89,42 unequal: No Solution Exploring Operation: 62-27=35, Resulting Numbers: [35] 35,42 unequal: No Solution Exploring Operation: 27*62=1674, Resulting Numbers: [1674] 1674,42 unequal: No Solution Moving to Node #0,1,0 Current State: 42:[29, 64], Operations: ['95-4=91', '91-27=64'] Exploring Operation: 29+64=93, Resulting Numbers: [93] 93,42 unequal: No Solution Exploring Operation: 64-29=35, Resulting Numbers: [35] 35,42 unequal: No Solution Exploring Operation: 29*64=1856, Resulting Numbers: [1856] 1856,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[91, 2], Operations: ['95-4=91', '29-27=2'] Exploring Operation: 91+2=93, Resulting Numbers: [93] 93,42 unequal: No Solution Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,42 unequal: No Solution Exploring Operation: 91*2=182, Resulting Numbers: [182] 182,42 unequal: No Solution Moving to Node #0,1,2 Current State: 42:[91, 56], Operations: ['95-4=91', '29+27=56'] Exploring Operation: 91-56=35, Resulting Numbers: [35] 35,42 unequal: No Solution Exploring Operation: 91+56=147, Resulting Numbers: [147] 147,42 unequal: No Solution Exploring Operation: 91*56=5096, Resulting Numbers: [5096] 5096,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 68, 60, 28, 39 ]
88
[ "68-60=8", "39-28=11", "8*11=88" ]
Current State: 88:[68, 60, 28, 39], Operations: [] Exploring Operation: 68-60=8, Resulting Numbers: [28, 39, 8] Generated Node #2: [28, 39, 8] from Operation: 68-60=8 Current State: 88:[28, 39, 8], Operations: ['68-60=8'] Exploring Operation: 39-28=11, Resulting Numbers: [8, 11] Generated Node #3: [8, 11] from Operation: 39-28=11 Current State: 88:[8, 11], Operations: ['68-60=8', '39-28=11'] Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[68, 60, 28, 39], Operations: [] Exploring Operation: 68-28=40, Resulting Numbers: [60, 39, 40] Generated Node #0,0: 88:[60, 39, 40] Operation: 68-28=40 Exploring Operation: 68-60=8, Resulting Numbers: [28, 39, 8] Generated Node #0,1: 88:[28, 39, 8] Operation: 68-60=8 Moving to Node #0,1 Current State: 88:[28, 39, 8], Operations: ['68-60=8'] Exploring Operation: 39-28=11, Resulting Numbers: [8, 11] Generated Node #0,1,0: 88:[8, 11] Operation: 39-28=11 Exploring Operation: 28-8=20, Resulting Numbers: [39, 20] Generated Node #0,1,1: 88:[39, 20] Operation: 28-8=20 Moving to Node #0,0 Current State: 88:[60, 39, 40], Operations: ['68-28=40'] Exploring Operation: 60-39=21, Resulting Numbers: [40, 21] Generated Node #0,0,0: 88:[40, 21] Operation: 60-39=21 Exploring Operation: 60-40=20, Resulting Numbers: [39, 20] Generated Node #0,0,1: 88:[39, 20] Operation: 60-40=20 Moving to Node #0,1,0 Current State: 88:[8, 11], Operations: ['68-60=8', '39-28=11'] Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[68, 60, 28, 39], Operations: [] Exploring Operation: 68-60=8, Resulting Numbers: [28, 39, 8] Generated Node #0,1: 88:[28, 39, 8] Operation: 68-60=8 Moving to Node #0,1 Current State: 88:[28, 39, 8], Operations: ['68-60=8'] Exploring Operation: 39-28=11, Resulting Numbers: [8, 11] Generated Node #0,1,0: 88:[8, 11] Operation: 39-28=11 Moving to Node #0,1,0 Current State: 88:[8, 11], Operations: ['68-60=8', '39-28=11'] Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
0.989583
hs_2
mult_heuristic
[ 55, 85, 80, 24 ]
84
[ "55+85=140", "80-24=56", "140-56=84" ]
Current State: 84:[55, 85, 80, 24], Operations: [] Exploring Operation: 55+85=140, Resulting Numbers: [80, 24, 140] Generated Node #2: [80, 24, 140] from Operation: 55+85=140 Current State: 84:[80, 24, 140], Operations: ['55+85=140'] Exploring Operation: 80-24=56, Resulting Numbers: [140, 56] Generated Node #3: [140, 56] from Operation: 80-24=56 Current State: 84:[140, 56], Operations: ['55+85=140', '80-24=56'] Exploring Operation: 140-56=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[55, 85, 80, 24], Operations: [] Exploring Operation: 55-24=31, Resulting Numbers: [85, 80, 31] Generated Node #0,0: 84:[85, 80, 31] Operation: 55-24=31 Exploring Operation: 85-80=5, Resulting Numbers: [55, 24, 5] Generated Node #0,1: 84:[55, 24, 5] Operation: 85-80=5 Exploring Operation: 55+24=79, Resulting Numbers: [85, 80, 79] Generated Node #0,2: 84:[85, 80, 79] Operation: 55+24=79 Exploring Operation: 80-55=25, Resulting Numbers: [85, 24, 25] Generated Node #0,3: 84:[85, 24, 25] Operation: 80-55=25 Exploring Operation: 85-55=30, Resulting Numbers: [80, 24, 30] Generated Node #0,4: 84:[80, 24, 30] Operation: 85-55=30 Start Sub Search at level 1: Moving to Node #0,3 Current State: 84:[85, 24, 25], Operations: ['80-55=25'] Exploring Operation: 85-25=60, Resulting Numbers: [24, 60] Generated Node #0,3,0: 84:[24, 60] Operation: 85-25=60 Exploring Operation: 85+24=109, Resulting Numbers: [25, 109] Generated Node #0,3,1: 84:[25, 109] Operation: 85+24=109 Exploring Operation: 24+25=49, Resulting Numbers: [85, 49] Generated Node #0,3,2: 84:[85, 49] Operation: 24+25=49 Exploring Operation: 25-24=1, Resulting Numbers: [85, 1] Generated Node #0,3,3: 84:[85, 1] Operation: 25-24=1 Exploring Operation: 85-24=61, Resulting Numbers: [25, 61] Generated Node #0,3,4: 84:[25, 61] Operation: 85-24=61 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 84:[85, 1], Operations: ['80-55=25', '25-24=1'] Exploring Operation: 85/1=85, Resulting Numbers: [85] 85,84 unequal: No Solution Exploring Operation: 85-1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[55, 85, 80, 24], Operations: [] Exploring Operation: 80-55=25, Resulting Numbers: [85, 24, 25] Generated Node #0,3: 84:[85, 24, 25] Operation: 80-55=25 Moving to Node #0,3 Current State: 84:[85, 24, 25], Operations: ['80-55=25'] Exploring Operation: 25-24=1, Resulting Numbers: [85, 1] Generated Node #0,3,3: 84:[85, 1] Operation: 25-24=1 Moving to Node #0,3,3 Current State: 84:[85, 1], Operations: ['80-55=25', '25-24=1'] Exploring Operation: 85-1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 56, 26, 37, 91 ]
28
[ "56+26=82", "91-37=54", "82-54=28" ]
Current State: 28:[56, 26, 37, 91], Operations: [] Exploring Operation: 56+26=82, Resulting Numbers: [37, 91, 82] Generated Node #2: [37, 91, 82] from Operation: 56+26=82 Current State: 28:[37, 91, 82], Operations: ['56+26=82'] Exploring Operation: 91-37=54, Resulting Numbers: [82, 54] Generated Node #3: [82, 54] from Operation: 91-37=54 Current State: 28:[82, 54], Operations: ['56+26=82', '91-37=54'] Exploring Operation: 82-54=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[56, 26, 37, 91], Operations: [] Exploring Operation: 56-37=19, Resulting Numbers: [26, 91, 19] Generated Node #0,0: 28:[26, 91, 19] Operation: 56-37=19 Exploring Operation: 91-37=54, Resulting Numbers: [56, 26, 54] Generated Node #0,1: 28:[56, 26, 54] Operation: 91-37=54 Exploring Operation: 56-26=30, Resulting Numbers: [37, 91, 30] Generated Node #0,2: 28:[37, 91, 30] Operation: 56-26=30 Exploring Operation: 91-56=35, Resulting Numbers: [26, 37, 35] Generated Node #0,3: 28:[26, 37, 35] Operation: 91-56=35 Moving to Node #0,3 Current State: 28:[26, 37, 35], Operations: ['91-56=35'] Exploring Operation: 35-26=9, Resulting Numbers: [37, 9] Generated Node #0,3,0: 28:[37, 9] Operation: 35-26=9 Exploring Operation: 37-26=11, Resulting Numbers: [35, 11] Generated Node #0,3,1: 28:[35, 11] Operation: 37-26=11 Exploring Operation: 26+37=63, Resulting Numbers: [35, 63] Generated Node #0,3,2: 28:[35, 63] Operation: 26+37=63 Exploring Operation: 37-35=2, Resulting Numbers: [26, 2] Generated Node #0,3,3: 28:[26, 2] Operation: 37-35=2 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 28:[26, 2], Operations: ['91-56=35', '37-35=2'] Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,28 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[56, 26, 37, 91], Operations: [] Exploring Operation: 91-56=35, Resulting Numbers: [26, 37, 35] Generated Node #0,3: 28:[26, 37, 35] Operation: 91-56=35 Moving to Node #0,3 Current State: 28:[26, 37, 35], Operations: ['91-56=35'] Exploring Operation: 37-35=2, Resulting Numbers: [26, 2] Generated Node #0,3,3: 28:[26, 2] Operation: 37-35=2 Moving to Node #0,3,3 Current State: 28:[26, 2], Operations: ['91-56=35', '37-35=2'] Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 12, 63, 31, 44 ]
24
[ "63-12=51", "31+44=75", "75-51=24" ]
Current State: 24:[12, 63, 31, 44], Operations: [] Exploring Operation: 63-12=51, Resulting Numbers: [31, 44, 51] Generated Node #2: [31, 44, 51] from Operation: 63-12=51 Current State: 24:[31, 44, 51], Operations: ['63-12=51'] Exploring Operation: 31+44=75, Resulting Numbers: [51, 75] Generated Node #3: [51, 75] from Operation: 31+44=75 Current State: 24:[51, 75], Operations: ['63-12=51', '31+44=75'] Exploring Operation: 75-51=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[12, 63, 31, 44], Operations: [] Exploring Operation: 44-31=13, Resulting Numbers: [12, 63, 13] Generated Node #0,0: 24:[12, 63, 13] Operation: 44-31=13 Exploring Operation: 63-44=19, Resulting Numbers: [12, 31, 19] Generated Node #0,1: 24:[12, 31, 19] Operation: 63-44=19 Exploring Operation: 63-31=32, Resulting Numbers: [12, 44, 32] Generated Node #0,2: 24:[12, 44, 32] Operation: 63-31=32 Exploring Operation: 63-12=51, Resulting Numbers: [31, 44, 51] Generated Node #0,3: 24:[31, 44, 51] Operation: 63-12=51 Moving to Node #0,1 Current State: 24:[12, 31, 19], Operations: ['63-44=19'] Exploring Operation: 12+19=31, Resulting Numbers: [31, 31] Generated Node #0,1,0: 24:[31, 31] Operation: 12+19=31 Exploring Operation: 19-12=7, Resulting Numbers: [31, 7] Generated Node #0,1,1: 24:[31, 7] Operation: 19-12=7 Exploring Operation: 31-19=12, Resulting Numbers: [12, 12] Generated Node #0,1,2: 24:[12, 12] Operation: 31-19=12 Exploring Operation: 31-12=19, Resulting Numbers: [19, 19] Generated Node #0,1,3: 24:[19, 19] Operation: 31-12=19 Moving to Node #0,2 Current State: 24:[12, 44, 32], Operations: ['63-31=32'] Exploring Operation: 32-12=20, Resulting Numbers: [44, 20] Generated Node #0,2,0: 24:[44, 20] Operation: 32-12=20 Exploring Operation: 12+44=56, Resulting Numbers: [32, 56] Generated Node #0,2,1: 24:[32, 56] Operation: 12+44=56 Exploring Operation: 44-32=12, Resulting Numbers: [12, 12] Generated Node #0,2,2: 24:[12, 12] Operation: 44-32=12 Exploring Operation: 44-12=32, Resulting Numbers: [32, 32] Generated Node #0,2,3: 24:[32, 32] Operation: 44-12=32 Moving to Node #0,0 Current State: 24:[12, 63, 13], Operations: ['44-31=13'] Exploring Operation: 13-12=1, Resulting Numbers: [63, 1] Generated Node #0,0,0: 24:[63, 1] Operation: 13-12=1 Exploring Operation: 63-13=50, Resulting Numbers: [12, 50] Generated Node #0,0,1: 24:[12, 50] Operation: 63-13=50 Exploring Operation: 63-12=51, Resulting Numbers: [13, 51] Generated Node #0,0,2: 24:[13, 51] Operation: 63-12=51 Exploring Operation: 12+13=25, Resulting Numbers: [63, 25] Generated Node #0,0,3: 24:[63, 25] Operation: 12+13=25 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[12, 50], Operations: ['44-31=13', '63-13=50'] Exploring Operation: 12+50=62, Resulting Numbers: [62] 62,24 unequal: No Solution Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,24 unequal: No Solution Exploring Operation: 12*50=600, Resulting Numbers: [600] 600,24 unequal: No Solution No 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: 24:[13, 51], Operations: ['44-31=13', '63-12=51'] Exploring Operation: 13+51=64, Resulting Numbers: [64] 64,24 unequal: No Solution Exploring Operation: 13*51=663, Resulting Numbers: [663] 663,24 unequal: No Solution Exploring Operation: 51-13=38, Resulting Numbers: [38] 38,24 unequal: No Solution No 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: 24:[63, 1], Operations: ['44-31=13', '13-12=1'] Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,24 unequal: No Solution Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,24 unequal: No Solution Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,24 unequal: No Solution Exploring Operation: 63+1=64, Resulting Numbers: [64] 64,24 unequal: No Solution No 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: 24:[63, 25], Operations: ['44-31=13', '12+13=25'] Exploring Operation: 63+25=88, Resulting Numbers: [88] 88,24 unequal: No Solution Exploring Operation: 63*25=1575, Resulting Numbers: [1575] 1575,24 unequal: No Solution Exploring Operation: 63-25=38, Resulting Numbers: [38] 38,24 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: 24:[31, 44, 51], Operations: ['63-12=51'] Exploring Operation: 44-31=13, Resulting Numbers: [51, 13] Generated Node #0,3,0: 24:[51, 13] Operation: 44-31=13 Exploring Operation: 31+44=75, Resulting Numbers: [51, 75] Generated Node #0,3,1: 24:[51, 75] Operation: 31+44=75 Exploring Operation: 51-31=20, Resulting Numbers: [44, 20] Generated Node #0,3,2: 24:[44, 20] Operation: 51-31=20 Exploring Operation: 51-44=7, Resulting Numbers: [31, 7] Generated Node #0,3,3: 24:[31, 7] Operation: 51-44=7 Moving to Node #0,1,2 Current State: 24:[12, 12], Operations: ['63-44=19', '31-19=12'] Exploring Operation: 12/12=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[12, 63, 31, 44], Operations: [] Exploring Operation: 63-44=19, Resulting Numbers: [12, 31, 19] Generated Node #0,1: 24:[12, 31, 19] Operation: 63-44=19 Moving to Node #0,1 Current State: 24:[12, 31, 19], Operations: ['63-44=19'] Exploring Operation: 31-19=12, Resulting Numbers: [12, 12] Generated Node #0,1,2: 24:[12, 12] Operation: 31-19=12 Moving to Node #0,1,2 Current State: 24:[12, 12], Operations: ['63-44=19', '31-19=12'] Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
0.966146
hs_4
sum_heuristic
[ 70, 91, 84, 16 ]
47
[ "91-70=21", "84-16=68", "68-21=47" ]
Current State: 47:[70, 91, 84, 16], Operations: [] Exploring Operation: 91-70=21, Resulting Numbers: [84, 16, 21] Generated Node #2: [84, 16, 21] from Operation: 91-70=21 Current State: 47:[84, 16, 21], Operations: ['91-70=21'] Exploring Operation: 84-16=68, Resulting Numbers: [21, 68] Generated Node #3: [21, 68] from Operation: 84-16=68 Current State: 47:[21, 68], Operations: ['91-70=21', '84-16=68'] Exploring Operation: 68-21=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[70, 91, 84, 16], Operations: [] Exploring Operation: 91-70=21, Resulting Numbers: [84, 16, 21] Generated Node #0,0: 47:[84, 16, 21] Operation: 91-70=21 Exploring Operation: 84-16=68, Resulting Numbers: [70, 91, 68] Generated Node #0,1: 47:[70, 91, 68] Operation: 84-16=68 Exploring Operation: 91-84=7, Resulting Numbers: [70, 16, 7] Generated Node #0,2: 47:[70, 16, 7] Operation: 91-84=7 Exploring Operation: 91-16=75, Resulting Numbers: [70, 84, 75] Generated Node #0,3: 47:[70, 84, 75] Operation: 91-16=75 Exploring Operation: 70-16=54, Resulting Numbers: [91, 84, 54] Generated Node #0,4: 47:[91, 84, 54] Operation: 70-16=54 Moving to Node #0,1 Current State: 47:[70, 91, 68], Operations: ['84-16=68'] Exploring Operation: 70+68=138, Resulting Numbers: [91, 138] Generated Node #0,1,0: 47:[91, 138] Operation: 70+68=138 Exploring Operation: 91-68=23, Resulting Numbers: [70, 23] Generated Node #0,1,1: 47:[70, 23] Operation: 91-68=23 Exploring Operation: 70+91=161, Resulting Numbers: [68, 161] Generated Node #0,1,2: 47:[68, 161] Operation: 70+91=161 Exploring Operation: 70-68=2, Resulting Numbers: [91, 2] Generated Node #0,1,3: 47:[91, 2] Operation: 70-68=2 Exploring Operation: 91-70=21, Resulting Numbers: [68, 21] Generated Node #0,1,4: 47:[68, 21] Operation: 91-70=21 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 47:[70, 23], Operations: ['84-16=68', '91-68=23'] Exploring Operation: 70*23=1610, Resulting Numbers: [1610] 1610,47 unequal: No Solution Exploring Operation: 70+23=93, Resulting Numbers: [93] 93,47 unequal: No Solution Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[70, 91, 84, 16], Operations: [] Exploring Operation: 84-16=68, Resulting Numbers: [70, 91, 68] Generated Node #0,1: 47:[70, 91, 68] Operation: 84-16=68 Moving to Node #0,1 Current State: 47:[70, 91, 68], Operations: ['84-16=68'] Exploring Operation: 91-68=23, Resulting Numbers: [70, 23] Generated Node #0,1,1: 47:[70, 23] Operation: 91-68=23 Moving to Node #0,1,1 Current State: 47:[70, 23], Operations: ['84-16=68', '91-68=23'] Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 52, 85, 66, 78 ]
98
[ "66-52=14", "85-78=7", "14*7=98" ]
Current State: 98:[52, 85, 66, 78], Operations: [] Exploring Operation: 66-52=14, Resulting Numbers: [85, 78, 14] Generated Node #2: [85, 78, 14] from Operation: 66-52=14 Current State: 98:[85, 78, 14], Operations: ['66-52=14'] Exploring Operation: 85-78=7, Resulting Numbers: [14, 7] Generated Node #3: [14, 7] from Operation: 85-78=7 Current State: 98:[14, 7], Operations: ['66-52=14', '85-78=7'] Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[52, 85, 66, 78], Operations: [] Exploring Operation: 78-66=12, Resulting Numbers: [52, 85, 12] Generated Node #0,0: 98:[52, 85, 12] Operation: 78-66=12 Exploring Operation: 85-78=7, Resulting Numbers: [52, 66, 7] Generated Node #0,1: 98:[52, 66, 7] Operation: 85-78=7 Exploring Operation: 85-66=19, Resulting Numbers: [52, 78, 19] Generated Node #0,2: 98:[52, 78, 19] Operation: 85-66=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[52, 85, 12], Operations: ['78-66=12'] Exploring Operation: 52-12=40, Resulting Numbers: [85, 40] Generated Node #0,0,0: 98:[85, 40] Operation: 52-12=40 Exploring Operation: 85+12=97, Resulting Numbers: [52, 97] Generated Node #0,0,1: 98:[52, 97] Operation: 85+12=97 Exploring Operation: 85-52=33, Resulting Numbers: [12, 33] Generated Node #0,0,2: 98:[12, 33] Operation: 85-52=33 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 98:[52, 97], Operations: ['78-66=12', '85+12=97'] Exploring Operation: 52+97=149, Resulting Numbers: [149] 149,98 unequal: No Solution Exploring Operation: 52*97=5044, Resulting Numbers: [5044] 5044,98 unequal: No Solution Exploring Operation: 97-52=45, Resulting Numbers: [45] 45,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 98:[12, 33], Operations: ['78-66=12', '85-52=33'] Exploring Operation: 12+33=45, Resulting Numbers: [45] 45,98 unequal: No Solution Exploring Operation: 12*33=396, Resulting Numbers: [396] 396,98 unequal: No Solution Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[85, 40], Operations: ['78-66=12', '52-12=40'] Exploring Operation: 85+40=125, Resulting Numbers: [125] 125,98 unequal: No Solution Exploring Operation: 85*40=3400, Resulting Numbers: [3400] 3400,98 unequal: No Solution Exploring Operation: 85-40=45, Resulting Numbers: [45] 45,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[52, 66, 7], Operations: ['85-78=7'] Exploring Operation: 66-7=59, Resulting Numbers: [52, 59] Generated Node #0,1,0: 98:[52, 59] Operation: 66-7=59 Exploring Operation: 52+66=118, Resulting Numbers: [7, 118] Generated Node #0,1,1: 98:[7, 118] Operation: 52+66=118 Exploring Operation: 66-52=14, Resulting Numbers: [7, 14] Generated Node #0,1,2: 98:[7, 14] Operation: 66-52=14 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[7, 14], Operations: ['85-78=7', '66-52=14'] Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[52, 85, 66, 78], Operations: [] Exploring Operation: 85-78=7, Resulting Numbers: [52, 66, 7] Generated Node #0,1: 98:[52, 66, 7] Operation: 85-78=7 Moving to Node #0,1 Current State: 98:[52, 66, 7], Operations: ['85-78=7'] Exploring Operation: 66-52=14, Resulting Numbers: [7, 14] Generated Node #0,1,2: 98:[7, 14] Operation: 66-52=14 Moving to Node #0,1,2 Current State: 98:[7, 14], Operations: ['85-78=7', '66-52=14'] Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_3
mult_heuristic
[ 55, 43, 11, 92 ]
17
[ "55+43=98", "92-11=81", "98-81=17" ]
Current State: 17:[55, 43, 11, 92], Operations: [] Exploring Operation: 55+43=98, Resulting Numbers: [11, 92, 98] Generated Node #2: [11, 92, 98] from Operation: 55+43=98 Current State: 17:[11, 92, 98], Operations: ['55+43=98'] Exploring Operation: 92-11=81, Resulting Numbers: [98, 81] Generated Node #3: [98, 81] from Operation: 92-11=81 Current State: 17:[98, 81], Operations: ['55+43=98', '92-11=81'] Exploring Operation: 98-81=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[55, 43, 11, 92], Operations: [] Exploring Operation: 92-55=37, Resulting Numbers: [43, 11, 37] Generated Node #0,0: 17:[43, 11, 37] Operation: 92-55=37 Exploring Operation: 92-43=49, Resulting Numbers: [55, 11, 49] Generated Node #0,1: 17:[55, 11, 49] Operation: 92-43=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[43, 11, 37], Operations: ['92-55=37'] Exploring Operation: 43-37=6, Resulting Numbers: [11, 6] Generated Node #0,0,0: 17:[11, 6] Operation: 43-37=6 Exploring Operation: 43-11=32, Resulting Numbers: [37, 32] Generated Node #0,0,1: 17:[37, 32] Operation: 43-11=32 Moving to Node #0,0,0 Current State: 17:[11, 6], Operations: ['92-55=37', '43-37=6'] Exploring Operation: 11+6=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[55, 43, 11, 92], Operations: [] Exploring Operation: 92-55=37, Resulting Numbers: [43, 11, 37] Generated Node #0,0: 17:[43, 11, 37] Operation: 92-55=37 Moving to Node #0,0 Current State: 17:[43, 11, 37], Operations: ['92-55=37'] Exploring Operation: 43-37=6, Resulting Numbers: [11, 6] Generated Node #0,0,0: 17:[11, 6] Operation: 43-37=6 Moving to Node #0,0,0 Current State: 17:[11, 6], Operations: ['92-55=37', '43-37=6'] Exploring Operation: 11+6=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 50, 83, 76, 43 ]
14
[ "50+83=133", "76+43=119", "133-119=14" ]
Current State: 14:[50, 83, 76, 43], Operations: [] Exploring Operation: 50+83=133, Resulting Numbers: [76, 43, 133] Generated Node #2: [76, 43, 133] from Operation: 50+83=133 Current State: 14:[76, 43, 133], Operations: ['50+83=133'] Exploring Operation: 76+43=119, Resulting Numbers: [133, 119] Generated Node #3: [133, 119] from Operation: 76+43=119 Current State: 14:[133, 119], Operations: ['50+83=133', '76+43=119'] Exploring Operation: 133-119=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[50, 83, 76, 43], Operations: [] Exploring Operation: 76-50=26, Resulting Numbers: [83, 43, 26] Generated Node #0,0: 14:[83, 43, 26] Operation: 76-50=26 Exploring Operation: 83-50=33, Resulting Numbers: [76, 43, 33] Generated Node #0,1: 14:[76, 43, 33] Operation: 83-50=33 Exploring Operation: 83-43=40, Resulting Numbers: [50, 76, 40] Generated Node #0,2: 14:[50, 76, 40] Operation: 83-43=40 Exploring Operation: 83-76=7, Resulting Numbers: [50, 43, 7] Generated Node #0,3: 14:[50, 43, 7] Operation: 83-76=7 Moving to Node #0,3 Current State: 14:[50, 43, 7], Operations: ['83-76=7'] Exploring Operation: 50-7=43, Resulting Numbers: [43, 43] Generated Node #0,3,0: 14:[43, 43] Operation: 50-7=43 Exploring Operation: 50-43=7, Resulting Numbers: [7, 7] Generated Node #0,3,1: 14:[7, 7] Operation: 50-43=7 Exploring Operation: 43-7=36, Resulting Numbers: [50, 36] Generated Node #0,3,2: 14:[50, 36] Operation: 43-7=36 Exploring Operation: 50+7=57, Resulting Numbers: [43, 57] Generated Node #0,3,3: 14:[43, 57] Operation: 50+7=57 Moving to Node #0,1 Current State: 14:[76, 43, 33], Operations: ['83-50=33'] Exploring Operation: 76+43=119, Resulting Numbers: [33, 119] Generated Node #0,1,0: 14:[33, 119] Operation: 76+43=119 Exploring Operation: 76-43=33, Resulting Numbers: [33, 33] Generated Node #0,1,1: 14:[33, 33] Operation: 76-43=33 Exploring Operation: 43-33=10, Resulting Numbers: [76, 10] Generated Node #0,1,2: 14:[76, 10] Operation: 43-33=10 Exploring Operation: 76-33=43, Resulting Numbers: [43, 43] Generated Node #0,1,3: 14:[43, 43] Operation: 76-33=43 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 14:[33, 33], Operations: ['83-50=33', '76-43=33'] Exploring Operation: 33/33=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 33-33=0, Resulting Numbers: [0] 0,14 unequal: No Solution Exploring Operation: 33*33=1089, Resulting Numbers: [1089] 1089,14 unequal: No Solution Exploring Operation: 33+33=66, Resulting Numbers: [66] 66,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 14:[43, 43], Operations: ['83-50=33', '76-33=43'] Exploring Operation: 43+43=86, Resulting Numbers: [86] 86,14 unequal: No Solution Exploring Operation: 43-43=0, Resulting Numbers: [0] 0,14 unequal: No Solution Exploring Operation: 43*43=1849, Resulting Numbers: [1849] 1849,14 unequal: No Solution Exploring Operation: 43/43=1, Resulting Numbers: [1] 1,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 14:[76, 10], Operations: ['83-50=33', '43-33=10'] Exploring Operation: 76*10=760, Resulting Numbers: [760] 760,14 unequal: No Solution Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,14 unequal: No Solution Exploring Operation: 76+10=86, Resulting Numbers: [86] 86,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 14:[33, 119], Operations: ['83-50=33', '76+43=119'] Exploring Operation: 33+119=152, Resulting Numbers: [152] 152,14 unequal: No Solution Exploring Operation: 119-33=86, Resulting Numbers: [86] 86,14 unequal: No Solution Exploring Operation: 33*119=3927, Resulting Numbers: [3927] 3927,14 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: 14:[83, 43, 26], Operations: ['76-50=26'] Exploring Operation: 83-26=57, Resulting Numbers: [43, 57] Generated Node #0,0,0: 14:[43, 57] Operation: 83-26=57 Exploring Operation: 83-43=40, Resulting Numbers: [26, 40] Generated Node #0,0,1: 14:[26, 40] Operation: 83-43=40 Exploring Operation: 83+43=126, Resulting Numbers: [26, 126] Generated Node #0,0,2: 14:[26, 126] Operation: 83+43=126 Exploring Operation: 43-26=17, Resulting Numbers: [83, 17] Generated Node #0,0,3: 14:[83, 17] Operation: 43-26=17 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 14:[26, 40], Operations: ['76-50=26', '83-43=40'] Exploring Operation: 40-26=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[50, 83, 76, 43], Operations: [] Exploring Operation: 76-50=26, Resulting Numbers: [83, 43, 26] Generated Node #0,0: 14:[83, 43, 26] Operation: 76-50=26 Moving to Node #0,0 Current State: 14:[83, 43, 26], Operations: ['76-50=26'] Exploring Operation: 83-43=40, Resulting Numbers: [26, 40] Generated Node #0,0,1: 14:[26, 40] Operation: 83-43=40 Moving to Node #0,0,1 Current State: 14:[26, 40], Operations: ['76-50=26', '83-43=40'] Exploring Operation: 40-26=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_4
mult_heuristic
[ 29, 33, 58, 16 ]
20
[ "29+33=62", "58-16=42", "62-42=20" ]
Current State: 20:[29, 33, 58, 16], Operations: [] Exploring Operation: 29+33=62, Resulting Numbers: [58, 16, 62] Generated Node #2: [58, 16, 62] from Operation: 29+33=62 Current State: 20:[58, 16, 62], Operations: ['29+33=62'] Exploring Operation: 58-16=42, Resulting Numbers: [62, 42] Generated Node #3: [62, 42] from Operation: 58-16=42 Current State: 20:[62, 42], Operations: ['29+33=62', '58-16=42'] Exploring Operation: 62-42=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[29, 33, 58, 16], Operations: [] Exploring Operation: 58/29=2, Resulting Numbers: [33, 16, 2] Generated Node #0,0: 20:[33, 16, 2] Operation: 58/29=2 Exploring Operation: 58-29=29, Resulting Numbers: [33, 16, 29] Generated Node #0,1: 20:[33, 16, 29] Operation: 58-29=29 Exploring Operation: 58-16=42, Resulting Numbers: [29, 33, 42] Generated Node #0,2: 20:[29, 33, 42] Operation: 58-16=42 Exploring Operation: 33-29=4, Resulting Numbers: [58, 16, 4] Generated Node #0,3: 20:[58, 16, 4] Operation: 33-29=4 Exploring Operation: 58-33=25, Resulting Numbers: [29, 16, 25] Generated Node #0,4: 20:[29, 16, 25] Operation: 58-33=25 Moving to Node #0,0 Current State: 20:[33, 16, 2], Operations: ['58/29=2'] Exploring Operation: 33-2=31, Resulting Numbers: [16, 31] Generated Node #0,0,0: 20:[16, 31] Operation: 33-2=31 Exploring Operation: 33-16=17, Resulting Numbers: [2, 17] Generated Node #0,0,1: 20:[2, 17] Operation: 33-16=17 Exploring Operation: 16/2=8, Resulting Numbers: [33, 8] Generated Node #0,0,2: 20:[33, 8] Operation: 16/2=8 Exploring Operation: 16+2=18, Resulting Numbers: [33, 18] Generated Node #0,0,3: 20:[33, 18] Operation: 16+2=18 Exploring Operation: 16-2=14, Resulting Numbers: [33, 14] Generated Node #0,0,4: 20:[33, 14] Operation: 16-2=14 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[2, 17], Operations: ['58/29=2', '33-16=17'] Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,20 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 #0,0,0 Current State: 20:[16, 31], Operations: ['58/29=2', '33-2=31'] Exploring Operation: 31-16=15, Resulting Numbers: [15] 15,20 unequal: No Solution Exploring Operation: 16*31=496, Resulting Numbers: [496] 496,20 unequal: No Solution Exploring Operation: 16+31=47, Resulting Numbers: [47] 47,20 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 #0,0,2 Current State: 20:[33, 8], Operations: ['58/29=2', '16/2=8'] Exploring Operation: 33*8=264, Resulting Numbers: [264] 264,20 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,20 unequal: No Solution Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,20 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 #0,0,3 Current State: 20:[33, 18], Operations: ['58/29=2', '16+2=18'] Exploring Operation: 33+18=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 33*18=594, Resulting Numbers: [594] 594,20 unequal: No Solution Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,20 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 #0,0,4 Current State: 20:[33, 14], Operations: ['58/29=2', '16-2=14'] Exploring Operation: 33-14=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 33*14=462, Resulting Numbers: [462] 462,20 unequal: No Solution Exploring Operation: 33+14=47, Resulting Numbers: [47] 47,20 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: 20:[29, 16, 25], Operations: ['58-33=25'] Exploring Operation: 16+25=41, Resulting Numbers: [29, 41] Generated Node #0,4,0: 20:[29, 41] Operation: 16+25=41 Exploring Operation: 29-25=4, Resulting Numbers: [16, 4] Generated Node #0,4,1: 20:[16, 4] Operation: 29-25=4 Exploring Operation: 29+16=45, Resulting Numbers: [25, 45] Generated Node #0,4,2: 20:[25, 45] Operation: 29+16=45 Exploring Operation: 25-16=9, Resulting Numbers: [29, 9] Generated Node #0,4,3: 20:[29, 9] Operation: 25-16=9 Exploring Operation: 29-16=13, Resulting Numbers: [25, 13] Generated Node #0,4,4: 20:[25, 13] Operation: 29-16=13 Moving to Node #0,1 Current State: 20:[33, 16, 29], Operations: ['58-29=29'] Exploring Operation: 29-16=13, Resulting Numbers: [33, 13] Generated Node #0,1,0: 20:[33, 13] Operation: 29-16=13 Exploring Operation: 33-29=4, Resulting Numbers: [16, 4] Generated Node #0,1,1: 20:[16, 4] Operation: 33-29=4 Exploring Operation: 16+29=45, Resulting Numbers: [33, 45] Generated Node #0,1,2: 20:[33, 45] Operation: 16+29=45 Exploring Operation: 33-16=17, Resulting Numbers: [29, 17] Generated Node #0,1,3: 20:[29, 17] Operation: 33-16=17 Exploring Operation: 33+16=49, Resulting Numbers: [29, 49] Generated Node #0,1,4: 20:[29, 49] Operation: 33+16=49 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 20:[16, 4], Operations: ['58-29=29', '33-29=4'] Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[29, 33, 58, 16], Operations: [] Exploring Operation: 58-29=29, Resulting Numbers: [33, 16, 29] Generated Node #0,1: 20:[33, 16, 29] Operation: 58-29=29 Moving to Node #0,1 Current State: 20:[33, 16, 29], Operations: ['58-29=29'] Exploring Operation: 33-29=4, Resulting Numbers: [16, 4] Generated Node #0,1,1: 20:[16, 4] Operation: 33-29=4 Moving to Node #0,1,1 Current State: 20:[16, 4], Operations: ['58-29=29', '33-29=4'] Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_5
mult_heuristic
[ 48, 80, 41, 97 ]
88
[ "80-48=32", "97-41=56", "32+56=88" ]
Current State: 88:[48, 80, 41, 97], Operations: [] Exploring Operation: 80-48=32, Resulting Numbers: [41, 97, 32] Generated Node #2: [41, 97, 32] from Operation: 80-48=32 Current State: 88:[41, 97, 32], Operations: ['80-48=32'] Exploring Operation: 97-41=56, Resulting Numbers: [32, 56] Generated Node #3: [32, 56] from Operation: 97-41=56 Current State: 88:[32, 56], Operations: ['80-48=32', '97-41=56'] Exploring Operation: 32+56=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[48, 80, 41, 97], Operations: [] Exploring Operation: 97-80=17, Resulting Numbers: [48, 41, 17] Generated Node #0,0: 88:[48, 41, 17] Operation: 97-80=17 Exploring Operation: 97-48=49, Resulting Numbers: [80, 41, 49] Generated Node #0,1: 88:[80, 41, 49] Operation: 97-48=49 Moving to Node #0,0 Current State: 88:[48, 41, 17], Operations: ['97-80=17'] Exploring Operation: 48+41=89, Resulting Numbers: [17, 89] Generated Node #0,0,0: 88:[17, 89] Operation: 48+41=89 Exploring Operation: 48-41=7, Resulting Numbers: [17, 7] Generated Node #0,0,1: 88:[17, 7] Operation: 48-41=7 Moving to Node #0,1 Current State: 88:[80, 41, 49], Operations: ['97-48=49'] Exploring Operation: 80-41=39, Resulting Numbers: [49, 39] Generated Node #0,1,0: 88:[49, 39] Operation: 80-41=39 Exploring Operation: 49-41=8, Resulting Numbers: [80, 8] Generated Node #0,1,1: 88:[80, 8] Operation: 49-41=8 Moving to Node #0,0,0 Current State: 88:[17, 89], Operations: ['97-80=17', '48+41=89'] Exploring Operation: 89-17=72, Resulting Numbers: [72] 72,88 unequal: No Solution Exploring Operation: 17+89=106, Resulting Numbers: [106] 106,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[17, 7], Operations: ['97-80=17', '48-41=7'] Exploring Operation: 17+7=24, Resulting Numbers: [24] 24,88 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[80, 8], Operations: ['97-48=49', '49-41=8'] Exploring Operation: 80+8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[48, 80, 41, 97], Operations: [] Exploring Operation: 97-48=49, Resulting Numbers: [80, 41, 49] Generated Node #0,1: 88:[80, 41, 49] Operation: 97-48=49 Moving to Node #0,1 Current State: 88:[80, 41, 49], Operations: ['97-48=49'] Exploring Operation: 49-41=8, Resulting Numbers: [80, 8] Generated Node #0,1,1: 88:[80, 8] Operation: 49-41=8 Moving to Node #0,1,1 Current State: 88:[80, 8], Operations: ['97-48=49', '49-41=8'] Exploring Operation: 80+8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 89, 9, 3, 74 ]
72
[ "89+9=98", "98-74=24", "3*24=72" ]
Current State: 72:[89, 9, 3, 74], Operations: [] Exploring Operation: 89+9=98, Resulting Numbers: [3, 74, 98] Generated Node #2: [3, 74, 98] from Operation: 89+9=98 Current State: 72:[3, 74, 98], Operations: ['89+9=98'] Exploring Operation: 98-74=24, Resulting Numbers: [3, 24] Generated Node #3: [3, 24] from Operation: 98-74=24 Current State: 72:[3, 24], Operations: ['89+9=98', '98-74=24'] Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[89, 9, 3, 74], Operations: [] Exploring Operation: 74-3=71, Resulting Numbers: [89, 9, 71] Generated Node #0,0: 72:[89, 9, 71] Operation: 74-3=71 Exploring Operation: 89-9=80, Resulting Numbers: [3, 74, 80] Generated Node #0,1: 72:[3, 74, 80] Operation: 89-9=80 Exploring Operation: 89-74=15, Resulting Numbers: [9, 3, 15] Generated Node #0,2: 72:[9, 3, 15] Operation: 89-74=15 Exploring Operation: 89-3=86, Resulting Numbers: [9, 74, 86] Generated Node #0,3: 72:[9, 74, 86] Operation: 89-3=86 Moving to Node #0,2 Current State: 72:[9, 3, 15], Operations: ['89-74=15'] Exploring Operation: 3+15=18, Resulting Numbers: [9, 18] Generated Node #0,2,0: 72:[9, 18] Operation: 3+15=18 Exploring Operation: 9+15=24, Resulting Numbers: [3, 24] Generated Node #0,2,1: 72:[3, 24] Operation: 9+15=24 Exploring Operation: 15-9=6, Resulting Numbers: [3, 6] Generated Node #0,2,2: 72:[3, 6] Operation: 15-9=6 Exploring Operation: 15-3=12, Resulting Numbers: [9, 12] Generated Node #0,2,3: 72:[9, 12] Operation: 15-3=12 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 72:[9, 18], Operations: ['89-74=15', '3+15=18'] Exploring Operation: 9*18=162, Resulting Numbers: [162] 162,72 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,72 unequal: No Solution Exploring Operation: 9+18=27, Resulting Numbers: [27] 27,72 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,72 unequal: No Solution No 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: 72:[3, 24], Operations: ['89-74=15', '9+15=24'] Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,72 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,72 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[89, 9, 3, 74], Operations: [] Exploring Operation: 89-74=15, Resulting Numbers: [9, 3, 15] Generated Node #0,2: 72:[9, 3, 15] Operation: 89-74=15 Moving to Node #0,2 Current State: 72:[9, 3, 15], Operations: ['89-74=15'] Exploring Operation: 9+15=24, Resulting Numbers: [3, 24] Generated Node #0,2,1: 72:[3, 24] Operation: 9+15=24 Moving to Node #0,2,1 Current State: 72:[3, 24], Operations: ['89-74=15', '9+15=24'] Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 91, 79, 74, 6 ]
76
[ "91-79=12", "12/6=2", "74+2=76" ]
Current State: 76:[91, 79, 74, 6], Operations: [] Exploring Operation: 91-79=12, Resulting Numbers: [74, 6, 12] Generated Node #2: [74, 6, 12] from Operation: 91-79=12 Current State: 76:[74, 6, 12], Operations: ['91-79=12'] Exploring Operation: 12/6=2, Resulting Numbers: [74, 2] Generated Node #3: [74, 2] from Operation: 12/6=2 Current State: 76:[74, 2], Operations: ['91-79=12', '12/6=2'] Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[91, 79, 74, 6], Operations: [] Exploring Operation: 91-74=17, Resulting Numbers: [79, 6, 17] Generated Node #0,0: 76:[79, 6, 17] Operation: 91-74=17 Exploring Operation: 79-74=5, Resulting Numbers: [91, 6, 5] Generated Node #0,1: 76:[91, 6, 5] Operation: 79-74=5 Exploring Operation: 79-6=73, Resulting Numbers: [91, 74, 73] Generated Node #0,2: 76:[91, 74, 73] Operation: 79-6=73 Exploring Operation: 91-6=85, Resulting Numbers: [79, 74, 85] Generated Node #0,3: 76:[79, 74, 85] Operation: 91-6=85 Exploring Operation: 91-79=12, Resulting Numbers: [74, 6, 12] Generated Node #0,4: 76:[74, 6, 12] Operation: 91-79=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[79, 6, 17], Operations: ['91-74=17'] Exploring Operation: 79+6=85, Resulting Numbers: [17, 85] Generated Node #0,0,0: 76:[17, 85] Operation: 79+6=85 Exploring Operation: 6+17=23, Resulting Numbers: [79, 23] Generated Node #0,0,1: 76:[79, 23] Operation: 6+17=23 Exploring Operation: 79-17=62, Resulting Numbers: [6, 62] Generated Node #0,0,2: 76:[6, 62] Operation: 79-17=62 Exploring Operation: 17-6=11, Resulting Numbers: [79, 11] Generated Node #0,0,3: 76:[79, 11] Operation: 17-6=11 Exploring Operation: 79-6=73, Resulting Numbers: [17, 73] Generated Node #0,0,4: 76:[17, 73] Operation: 79-6=73 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 76:[17, 73], Operations: ['91-74=17', '79-6=73'] Exploring Operation: 17+73=90, Resulting Numbers: [90] 90,76 unequal: No Solution Exploring Operation: 73-17=56, Resulting Numbers: [56] 56,76 unequal: No Solution Exploring Operation: 17*73=1241, Resulting Numbers: [1241] 1241,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 76:[79, 23], Operations: ['91-74=17', '6+17=23'] Exploring Operation: 79+23=102, Resulting Numbers: [102] 102,76 unequal: No Solution Exploring Operation: 79*23=1817, Resulting Numbers: [1817] 1817,76 unequal: No Solution Exploring Operation: 79-23=56, Resulting Numbers: [56] 56,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 76:[79, 11], Operations: ['91-74=17', '17-6=11'] Exploring Operation: 79*11=869, Resulting Numbers: [869] 869,76 unequal: No Solution Exploring Operation: 79+11=90, Resulting Numbers: [90] 90,76 unequal: No Solution Exploring Operation: 79-11=68, Resulting Numbers: [68] 68,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[17, 85], Operations: ['91-74=17', '79+6=85'] Exploring Operation: 85-17=68, Resulting Numbers: [68] 68,76 unequal: No Solution Exploring Operation: 17*85=1445, Resulting Numbers: [1445] 1445,76 unequal: No Solution Exploring Operation: 85/17=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 17+85=102, Resulting Numbers: [102] 102,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 76:[6, 62], Operations: ['91-74=17', '79-17=62'] Exploring Operation: 6*62=372, Resulting Numbers: [372] 372,76 unequal: No Solution Exploring Operation: 62-6=56, Resulting Numbers: [56] 56,76 unequal: No Solution Exploring Operation: 6+62=68, Resulting Numbers: [68] 68,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 76:[74, 6, 12], Operations: ['91-79=12'] Exploring Operation: 6+12=18, Resulting Numbers: [74, 18] Generated Node #0,4,0: 76:[74, 18] Operation: 6+12=18 Exploring Operation: 12-6=6, Resulting Numbers: [74, 6] Generated Node #0,4,1: 76:[74, 6] Operation: 12-6=6 Exploring Operation: 74+6=80, Resulting Numbers: [12, 80] Generated Node #0,4,2: 76:[12, 80] Operation: 74+6=80 Exploring Operation: 12/6=2, Resulting Numbers: [74, 2] Generated Node #0,4,3: 76:[74, 2] Operation: 12/6=2 Exploring Operation: 6*12=72, Resulting Numbers: [74, 72] Generated Node #0,4,4: 76:[74, 72] Operation: 6*12=72 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 76:[74, 2], Operations: ['91-79=12', '12/6=2'] Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[91, 79, 74, 6], Operations: [] Exploring Operation: 91-79=12, Resulting Numbers: [74, 6, 12] Generated Node #0,4: 76:[74, 6, 12] Operation: 91-79=12 Moving to Node #0,4 Current State: 76:[74, 6, 12], Operations: ['91-79=12'] Exploring Operation: 12/6=2, Resulting Numbers: [74, 2] Generated Node #0,4,3: 76:[74, 2] Operation: 12/6=2 Moving to Node #0,4,3 Current State: 76:[74, 2], Operations: ['91-79=12', '12/6=2'] Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96875
hs_5
mult_heuristic
[ 25, 12, 23, 83 ]
79
[ "25+23=48", "48/12=4", "83-4=79" ]
Current State: 79:[25, 12, 23, 83], Operations: [] Exploring Operation: 25+23=48, Resulting Numbers: [12, 83, 48] Generated Node #2: [12, 83, 48] from Operation: 25+23=48 Current State: 79:[12, 83, 48], Operations: ['25+23=48'] Exploring Operation: 48/12=4, Resulting Numbers: [83, 4] Generated Node #3: [83, 4] from Operation: 48/12=4 Current State: 79:[83, 4], Operations: ['25+23=48', '48/12=4'] Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[25, 12, 23, 83], Operations: [] Exploring Operation: 25+12=37, Resulting Numbers: [23, 83, 37] Generated Node #0,0: 79:[23, 83, 37] Operation: 25+12=37 Moving to Node #0,0 Current State: 79:[23, 83, 37], Operations: ['25+12=37'] Exploring Operation: 23+37=60, Resulting Numbers: [83, 60] Generated Node #0,0,0: 79:[83, 60] Operation: 23+37=60 Moving to Node #0,0,0 Current State: 79:[83, 60], Operations: ['25+12=37', '23+37=60'] Exploring Operation: 83-60=23, Resulting Numbers: [23] 23,79 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 11, 22, 27, 29 ]
11
[ "11*27=297", "22+297=319", "319/29=11" ]
Current State: 11:[11, 22, 27, 29], Operations: [] Exploring Operation: 11*27=297, Resulting Numbers: [22, 29, 297] Generated Node #2: [22, 29, 297] from Operation: 11*27=297 Current State: 11:[22, 29, 297], Operations: ['11*27=297'] Exploring Operation: 22+297=319, Resulting Numbers: [29, 319] Generated Node #3: [29, 319] from Operation: 22+297=319 Current State: 11:[29, 319], Operations: ['11*27=297', '22+297=319'] Exploring Operation: 319/29=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[11, 22, 27, 29], Operations: [] Exploring Operation: 29-22=7, Resulting Numbers: [11, 27, 7] Generated Node #0,0: 11:[11, 27, 7] Operation: 29-22=7 Exploring Operation: 29-27=2, Resulting Numbers: [11, 22, 2] Generated Node #0,1: 11:[11, 22, 2] Operation: 29-27=2 Moving to Node #0,0 Current State: 11:[11, 27, 7], Operations: ['29-22=7'] Exploring Operation: 27-11=16, Resulting Numbers: [7, 16] Generated Node #0,0,0: 11:[7, 16] Operation: 27-11=16 Exploring Operation: 27-7=20, Resulting Numbers: [11, 20] Generated Node #0,0,1: 11:[11, 20] Operation: 27-7=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 11:[7, 16], Operations: ['29-22=7', '27-11=16'] Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,11 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,11 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 #0,0,1 Current State: 11:[11, 20], Operations: ['29-22=7', '27-7=20'] Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 11+20=31, Resulting Numbers: [31] 31,11 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: 11:[11, 22, 2], Operations: ['29-27=2'] Exploring Operation: 22-11=11, Resulting Numbers: [2, 11] Generated Node #0,1,0: 11:[2, 11] Operation: 22-11=11 Exploring Operation: 22/2=11, Resulting Numbers: [11, 11] Generated Node #0,1,1: 11:[11, 11] Operation: 22/2=11 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 11:[11, 11], Operations: ['29-27=2', '22/2=11'] Exploring Operation: 11/11=1, Resulting Numbers: [1] 1,11 unequal: No Solution Exploring Operation: 11+11=22, Resulting Numbers: [22] 22,11 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 #0,1,0 Current State: 11:[2, 11], Operations: ['29-27=2', '22-11=11'] Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 78, 16, 39, 30 ]
78
[ "78*16=1248", "39*30=1170", "1248-1170=78" ]
Current State: 78:[78, 16, 39, 30], Operations: [] Exploring Operation: 78*16=1248, Resulting Numbers: [39, 30, 1248] Generated Node #2: [39, 30, 1248] from Operation: 78*16=1248 Current State: 78:[39, 30, 1248], Operations: ['78*16=1248'] Exploring Operation: 39*30=1170, Resulting Numbers: [1248, 1170] Generated Node #3: [1248, 1170] from Operation: 39*30=1170 Current State: 78:[1248, 1170], Operations: ['78*16=1248', '39*30=1170'] Exploring Operation: 1248-1170=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[78, 16, 39, 30], Operations: [] Exploring Operation: 39-30=9, Resulting Numbers: [78, 16, 9] Generated Node #0,0: 78:[78, 16, 9] Operation: 39-30=9 Exploring Operation: 30-16=14, Resulting Numbers: [78, 39, 14] Generated Node #0,1: 78:[78, 39, 14] Operation: 30-16=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[78, 39, 14], Operations: ['30-16=14'] Exploring Operation: 78-39=39, Resulting Numbers: [14, 39] Generated Node #0,1,0: 78:[14, 39] Operation: 78-39=39 Exploring Operation: 78/39=2, Resulting Numbers: [14, 2] Generated Node #0,1,1: 78:[14, 2] Operation: 78/39=2 Moving to Node #0,1,0 Current State: 78:[14, 39], Operations: ['30-16=14', '78-39=39'] Exploring Operation: 14+39=53, Resulting Numbers: [53] 53,78 unequal: No Solution Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,78 unequal: No Solution Moving to Node #0,1,1 Current State: 78:[14, 2], Operations: ['30-16=14', '78/39=2'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,78 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,78 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 #0,0 Current State: 78:[78, 16, 9], Operations: ['39-30=9'] Exploring Operation: 16+9=25, Resulting Numbers: [78, 25] Generated Node #0,0,0: 78:[78, 25] Operation: 16+9=25 Exploring Operation: 16-9=7, Resulting Numbers: [78, 7] Generated Node #0,0,1: 78:[78, 7] Operation: 16-9=7 Moving to Node #0,0,0 Current State: 78:[78, 25], Operations: ['39-30=9', '16+9=25'] Exploring Operation: 78-25=53, Resulting Numbers: [53] 53,78 unequal: No Solution Exploring Operation: 78+25=103, Resulting Numbers: [103] 103,78 unequal: No Solution Moving to Node #0,0,1 Current State: 78:[78, 7], Operations: ['39-30=9', '16-9=7'] Exploring Operation: 78+7=85, Resulting Numbers: [85] 85,78 unequal: No Solution Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,78 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
[ 92, 37, 46, 36 ]
35
[ "92/46=2", "36*2=72", "72-37=35" ]
Current State: 35:[92, 37, 46, 36], Operations: [] Exploring Operation: 92/46=2, Resulting Numbers: [37, 36, 2] Generated Node #2: [37, 36, 2] from Operation: 92/46=2 Current State: 35:[37, 36, 2], Operations: ['92/46=2'] Exploring Operation: 36*2=72, Resulting Numbers: [37, 72] Generated Node #3: [37, 72] from Operation: 36*2=72 Current State: 35:[37, 72], Operations: ['92/46=2', '36*2=72'] Exploring Operation: 72-37=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[92, 37, 46, 36], Operations: [] Exploring Operation: 92/46=2, Resulting Numbers: [37, 36, 2] Generated Node #0,0: 35:[37, 36, 2] Operation: 92/46=2 Exploring Operation: 92-46=46, Resulting Numbers: [37, 36, 46] Generated Node #0,1: 35:[37, 36, 46] Operation: 92-46=46 Exploring Operation: 92-37=55, Resulting Numbers: [46, 36, 55] Generated Node #0,2: 35:[46, 36, 55] Operation: 92-37=55 Moving to Node #0,0 Current State: 35:[37, 36, 2], Operations: ['92/46=2'] Exploring Operation: 37-2=35, Resulting Numbers: [36, 35] Generated Node #0,0,0: 35:[36, 35] Operation: 37-2=35 Exploring Operation: 37+2=39, Resulting Numbers: [36, 39] Generated Node #0,0,1: 35:[36, 39] Operation: 37+2=39 Exploring Operation: 36-2=34, Resulting Numbers: [37, 34] Generated Node #0,0,2: 35:[37, 34] Operation: 36-2=34 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[36, 35], Operations: ['92/46=2', '37-2=35'] Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 36*35=1260, Resulting Numbers: [1260] 1260,35 unequal: No Solution Exploring Operation: 36+35=71, Resulting Numbers: [71] 71,35 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 #0,0,2 Current State: 35:[37, 34], Operations: ['92/46=2', '36-2=34'] Exploring Operation: 37*34=1258, Resulting Numbers: [1258] 1258,35 unequal: No Solution Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 37+34=71, Resulting Numbers: [71] 71,35 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:[36, 39], Operations: ['92/46=2', '37+2=39'] Exploring Operation: 36+39=75, Resulting Numbers: [75] 75,35 unequal: No Solution Exploring Operation: 36*39=1404, Resulting Numbers: [1404] 1404,35 unequal: No Solution Exploring Operation: 39-36=3, Resulting Numbers: [3] 3,35 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: 35:[37, 36, 46], Operations: ['92-46=46'] Exploring Operation: 37-36=1, Resulting Numbers: [46, 1] Generated Node #0,1,0: 35:[46, 1] Operation: 37-36=1 Exploring Operation: 46-37=9, Resulting Numbers: [36, 9] Generated Node #0,1,1: 35:[36, 9] Operation: 46-37=9 Exploring Operation: 46-36=10, Resulting Numbers: [37, 10] Generated Node #0,1,2: 35:[37, 10] Operation: 46-36=10 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 35:[36, 9], Operations: ['92-46=46', '46-37=9'] Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,35 unequal: No Solution Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 36+9=45, Resulting Numbers: [45] 45,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 35:[37, 10], Operations: ['92-46=46', '46-36=10'] Exploring Operation: 37*10=370, Resulting Numbers: [370] 370,35 unequal: No Solution Exploring Operation: 37+10=47, Resulting Numbers: [47] 47,35 unequal: No Solution Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[46, 1], Operations: ['92-46=46', '37-36=1'] Exploring Operation: 46*1=46, Resulting Numbers: [46] 46,35 unequal: No Solution Exploring Operation: 46/1=46, Resulting Numbers: [46] 46,35 unequal: No Solution Exploring Operation: 46-1=45, Resulting Numbers: [45] 45,35 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:[46, 36, 55], Operations: ['92-37=55'] Exploring Operation: 55-46=9, Resulting Numbers: [36, 9] Generated Node #0,2,0: 35:[36, 9] Operation: 55-46=9 Exploring Operation: 55-36=19, Resulting Numbers: [46, 19] Generated Node #0,2,1: 35:[46, 19] Operation: 55-36=19 Exploring Operation: 46-36=10, Resulting Numbers: [55, 10] Generated Node #0,2,2: 35:[55, 10] Operation: 46-36=10 Moving to Node #0,2,0 Current State: 35:[36, 9], Operations: ['92-37=55', '55-46=9'] Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,35 unequal: No Solution Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 36+9=45, Resulting Numbers: [45] 45,35 unequal: No Solution Moving to Node #0,2,1 Current State: 35:[46, 19], Operations: ['92-37=55', '55-36=19'] Exploring Operation: 46*19=874, Resulting Numbers: [874] 874,35 unequal: No Solution Exploring Operation: 46-19=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 46+19=65, Resulting Numbers: [65] 65,35 unequal: No Solution Moving to Node #0,2,2 Current State: 35:[55, 10], Operations: ['92-37=55', '46-36=10'] Exploring Operation: 55*10=550, Resulting Numbers: [550] 550,35 unequal: No Solution Exploring Operation: 55-10=45, Resulting Numbers: [45] 45,35 unequal: No Solution Exploring Operation: 55+10=65, Resulting Numbers: [65] 65,35 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 9, 61, 47, 81 ]
58
[ "9+61=70", "47+81=128", "128-70=58" ]
Current State: 58:[9, 61, 47, 81], Operations: [] Exploring Operation: 9+61=70, Resulting Numbers: [47, 81, 70] Generated Node #2: [47, 81, 70] from Operation: 9+61=70 Current State: 58:[47, 81, 70], Operations: ['9+61=70'] Exploring Operation: 47+81=128, Resulting Numbers: [70, 128] Generated Node #3: [70, 128] from Operation: 47+81=128 Current State: 58:[70, 128], Operations: ['9+61=70', '47+81=128'] Exploring Operation: 128-70=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[9, 61, 47, 81], Operations: [] Exploring Operation: 81/9=9, Resulting Numbers: [61, 47, 9] Generated Node #0,0: 58:[61, 47, 9] Operation: 81/9=9 Exploring Operation: 9+47=56, Resulting Numbers: [61, 81, 56] Generated Node #0,1: 58:[61, 81, 56] Operation: 9+47=56 Exploring Operation: 81-47=34, Resulting Numbers: [9, 61, 34] Generated Node #0,2: 58:[9, 61, 34] Operation: 81-47=34 Exploring Operation: 81-9=72, Resulting Numbers: [61, 47, 72] Generated Node #0,3: 58:[61, 47, 72] Operation: 81-9=72 Exploring Operation: 81-61=20, Resulting Numbers: [9, 47, 20] Generated Node #0,4: 58:[9, 47, 20] Operation: 81-61=20 Moving to Node #0,2 Current State: 58:[9, 61, 34], Operations: ['81-47=34'] Exploring Operation: 9+61=70, Resulting Numbers: [34, 70] Generated Node #0,2,0: 58:[34, 70] Operation: 9+61=70 Exploring Operation: 61-34=27, Resulting Numbers: [9, 27] Generated Node #0,2,1: 58:[9, 27] Operation: 61-34=27 Exploring Operation: 61-9=52, Resulting Numbers: [34, 52] Generated Node #0,2,2: 58:[34, 52] Operation: 61-9=52 Exploring Operation: 9+34=43, Resulting Numbers: [61, 43] Generated Node #0,2,3: 58:[61, 43] Operation: 9+34=43 Exploring Operation: 34-9=25, Resulting Numbers: [61, 25] Generated Node #0,2,4: 58:[61, 25] Operation: 34-9=25 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 58:[61, 25], Operations: ['81-47=34', '34-9=25'] Exploring Operation: 61*25=1525, Resulting Numbers: [1525] 1525,58 unequal: No Solution Exploring Operation: 61+25=86, Resulting Numbers: [86] 86,58 unequal: No Solution Exploring Operation: 61-25=36, Resulting Numbers: [36] 36,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 58:[9, 27], Operations: ['81-47=34', '61-34=27'] Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 9+27=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 9*27=243, Resulting Numbers: [243] 243,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 58:[34, 52], Operations: ['81-47=34', '61-9=52'] Exploring Operation: 34+52=86, Resulting Numbers: [86] 86,58 unequal: No Solution Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 34*52=1768, Resulting Numbers: [1768] 1768,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 58:[34, 70], Operations: ['81-47=34', '9+61=70'] Exploring Operation: 34+70=104, Resulting Numbers: [104] 104,58 unequal: No Solution Exploring Operation: 34*70=2380, Resulting Numbers: [2380] 2380,58 unequal: No Solution Exploring Operation: 70-34=36, Resulting Numbers: [36] 36,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 58:[61, 43], Operations: ['81-47=34', '9+34=43'] Exploring Operation: 61*43=2623, Resulting Numbers: [2623] 2623,58 unequal: No Solution Exploring Operation: 61-43=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 61+43=104, Resulting Numbers: [104] 104,58 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: 58:[61, 47, 9], Operations: ['81/9=9'] Exploring Operation: 47-9=38, Resulting Numbers: [61, 38] Generated Node #0,0,0: 58:[61, 38] Operation: 47-9=38 Exploring Operation: 61+9=70, Resulting Numbers: [47, 70] Generated Node #0,0,1: 58:[47, 70] Operation: 61+9=70 Exploring Operation: 61-47=14, Resulting Numbers: [9, 14] Generated Node #0,0,2: 58:[9, 14] Operation: 61-47=14 Exploring Operation: 47+9=56, Resulting Numbers: [61, 56] Generated Node #0,0,3: 58:[61, 56] Operation: 47+9=56 Exploring Operation: 61-9=52, Resulting Numbers: [47, 52] Generated Node #0,0,4: 58:[47, 52] Operation: 61-9=52 Moving to Node #0,4 Current State: 58:[9, 47, 20], Operations: ['81-61=20'] Exploring Operation: 47-9=38, Resulting Numbers: [20, 38] Generated Node #0,4,0: 58:[20, 38] Operation: 47-9=38 Exploring Operation: 47-20=27, Resulting Numbers: [9, 27] Generated Node #0,4,1: 58:[9, 27] Operation: 47-20=27 Exploring Operation: 47+20=67, Resulting Numbers: [9, 67] Generated Node #0,4,2: 58:[9, 67] Operation: 47+20=67 Exploring Operation: 9+47=56, Resulting Numbers: [20, 56] Generated Node #0,4,3: 58:[20, 56] Operation: 9+47=56 Exploring Operation: 9+20=29, Resulting Numbers: [47, 29] Generated Node #0,4,4: 58:[47, 29] Operation: 9+20=29 Moving to Node #0,1 Current State: 58:[61, 81, 56], Operations: ['9+47=56'] Exploring Operation: 81-61=20, Resulting Numbers: [56, 20] Generated Node #0,1,0: 58:[56, 20] Operation: 81-61=20 Exploring Operation: 81+56=137, Resulting Numbers: [61, 137] Generated Node #0,1,1: 58:[61, 137] Operation: 81+56=137 Exploring Operation: 61+56=117, Resulting Numbers: [81, 117] Generated Node #0,1,2: 58:[81, 117] Operation: 61+56=117 Exploring Operation: 81-56=25, Resulting Numbers: [61, 25] Generated Node #0,1,3: 58:[61, 25] Operation: 81-56=25 Exploring Operation: 61-56=5, Resulting Numbers: [81, 5] Generated Node #0,1,4: 58:[81, 5] Operation: 61-56=5 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 58:[61, 25], Operations: ['9+47=56', '81-56=25'] Exploring Operation: 61*25=1525, Resulting Numbers: [1525] 1525,58 unequal: No Solution Exploring Operation: 61+25=86, Resulting Numbers: [86] 86,58 unequal: No Solution Exploring Operation: 61-25=36, Resulting Numbers: [36] 36,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[56, 20], Operations: ['9+47=56', '81-61=20'] Exploring Operation: 56+20=76, Resulting Numbers: [76] 76,58 unequal: No Solution Exploring Operation: 56*20=1120, Resulting Numbers: [1120] 1120,58 unequal: No Solution Exploring Operation: 56-20=36, Resulting Numbers: [36] 36,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 58:[81, 5], Operations: ['9+47=56', '61-56=5'] Exploring Operation: 81-5=76, Resulting Numbers: [76] 76,58 unequal: No Solution Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,58 unequal: No Solution Exploring Operation: 81*5=405, Resulting Numbers: [405] 405,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[61, 137], Operations: ['9+47=56', '81+56=137'] Exploring Operation: 137-61=76, Resulting Numbers: [76] 76,58 unequal: No Solution Exploring Operation: 61+137=198, Resulting Numbers: [198] 198,58 unequal: No Solution Exploring Operation: 61*137=8357, Resulting Numbers: [8357] 8357,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 58:[81, 117], Operations: ['9+47=56', '61+56=117'] Exploring Operation: 81+117=198, Resulting Numbers: [198] 198,58 unequal: No Solution Exploring Operation: 81*117=9477, Resulting Numbers: [9477] 9477,58 unequal: No Solution Exploring Operation: 117-81=36, Resulting Numbers: [36] 36,58 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: 58:[61, 47, 72], Operations: ['81-9=72'] Exploring Operation: 61+47=108, Resulting Numbers: [72, 108] Generated Node #0,3,0: 58:[72, 108] Operation: 61+47=108 Exploring Operation: 72-61=11, Resulting Numbers: [47, 11] Generated Node #0,3,1: 58:[47, 11] Operation: 72-61=11 Exploring Operation: 61-47=14, Resulting Numbers: [72, 14] Generated Node #0,3,2: 58:[72, 14] Operation: 61-47=14 Exploring Operation: 72-47=25, Resulting Numbers: [61, 25] Generated Node #0,3,3: 58:[61, 25] Operation: 72-47=25 Exploring Operation: 47+72=119, Resulting Numbers: [61, 119] Generated Node #0,3,4: 58:[61, 119] Operation: 47+72=119 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 58:[61, 25], Operations: ['81-9=72', '72-47=25'] Exploring Operation: 61-25=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 61*25=1525, Resulting Numbers: [1525] 1525,58 unequal: No Solution Exploring Operation: 61+25=86, Resulting Numbers: [86] 86,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 58:[47, 11], Operations: ['81-9=72', '72-61=11'] Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 47*11=517, Resulting Numbers: [517] 517,58 unequal: No Solution Exploring Operation: 47+11=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[9, 61, 47, 81], Operations: [] Exploring Operation: 81-9=72, Resulting Numbers: [61, 47, 72] Generated Node #0,3: 58:[61, 47, 72] Operation: 81-9=72 Moving to Node #0,3 Current State: 58:[61, 47, 72], Operations: ['81-9=72'] Exploring Operation: 72-61=11, Resulting Numbers: [47, 11] Generated Node #0,3,1: 58:[47, 11] Operation: 72-61=11 Moving to Node #0,3,1 Current State: 58:[47, 11], Operations: ['81-9=72', '72-61=11'] Exploring Operation: 47+11=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.938368
hs_5
sum_heuristic
[ 7, 68, 29, 22 ]
57
[ "7*22=154", "68+29=97", "154-97=57" ]
Current State: 57:[7, 68, 29, 22], Operations: [] Exploring Operation: 7*22=154, Resulting Numbers: [68, 29, 154] Generated Node #2: [68, 29, 154] from Operation: 7*22=154 Current State: 57:[68, 29, 154], Operations: ['7*22=154'] Exploring Operation: 68+29=97, Resulting Numbers: [154, 97] Generated Node #3: [154, 97] from Operation: 68+29=97 Current State: 57:[154, 97], Operations: ['7*22=154', '68+29=97'] Exploring Operation: 154-97=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[7, 68, 29, 22], Operations: [] Exploring Operation: 68-7=61, Resulting Numbers: [29, 22, 61] Generated Node #0,0: 57:[29, 22, 61] Operation: 68-7=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[29, 22, 61], Operations: ['68-7=61'] Exploring Operation: 29-22=7, Resulting Numbers: [61, 7] Generated Node #0,0,0: 57:[61, 7] Operation: 29-22=7 Moving to Node #0,0,0 Current State: 57:[61, 7], Operations: ['68-7=61', '29-22=7'] Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,57 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
[ 69, 12, 6, 78 ]
69
[ "78/6=13", "13-12=1", "69*1=69" ]
Current State: 69:[69, 12, 6, 78], Operations: [] Exploring Operation: 78/6=13, Resulting Numbers: [69, 12, 13] Generated Node #2: [69, 12, 13] from Operation: 78/6=13 Current State: 69:[69, 12, 13], Operations: ['78/6=13'] Exploring Operation: 13-12=1, Resulting Numbers: [69, 1] Generated Node #3: [69, 1] from Operation: 13-12=1 Current State: 69:[69, 1], Operations: ['78/6=13', '13-12=1'] Exploring Operation: 69*1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[69, 12, 6, 78], Operations: [] Exploring Operation: 78-12=66, Resulting Numbers: [69, 6, 66] Generated Node #0,0: 69:[69, 6, 66] Operation: 78-12=66 Moving to Node #0,0 Current State: 69:[69, 6, 66], Operations: ['78-12=66'] Exploring Operation: 69-66=3, Resulting Numbers: [6, 3] Generated Node #0,0,0: 69:[6, 3] Operation: 69-66=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[6, 3], Operations: ['78-12=66', '69-66=3'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,69 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
[ 91, 21, 36, 33 ]
43
[ "91+21=112", "36+33=69", "112-69=43" ]
Current State: 43:[91, 21, 36, 33], Operations: [] Exploring Operation: 91+21=112, Resulting Numbers: [36, 33, 112] Generated Node #2: [36, 33, 112] from Operation: 91+21=112 Current State: 43:[36, 33, 112], Operations: ['91+21=112'] Exploring Operation: 36+33=69, Resulting Numbers: [112, 69] Generated Node #3: [112, 69] from Operation: 36+33=69 Current State: 43:[112, 69], Operations: ['91+21=112', '36+33=69'] Exploring Operation: 112-69=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[91, 21, 36, 33], Operations: [] Exploring Operation: 91-21=70, Resulting Numbers: [36, 33, 70] Generated Node #0,0: 43:[36, 33, 70] Operation: 91-21=70 Exploring Operation: 91-36=55, Resulting Numbers: [21, 33, 55] Generated Node #0,1: 43:[21, 33, 55] Operation: 91-36=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[36, 33, 70], Operations: ['91-21=70'] Exploring Operation: 70-33=37, Resulting Numbers: [36, 37] Generated Node #0,0,0: 43:[36, 37] Operation: 70-33=37 Exploring Operation: 70-36=34, Resulting Numbers: [33, 34] Generated Node #0,0,1: 43:[33, 34] Operation: 70-36=34 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[36, 37], Operations: ['91-21=70', '70-33=37'] Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 36+37=73, Resulting Numbers: [73] 73,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[33, 34], Operations: ['91-21=70', '70-36=34'] Exploring Operation: 33+34=67, Resulting Numbers: [67] 67,43 unequal: No Solution Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[21, 33, 55], Operations: ['91-36=55'] Exploring Operation: 21+33=54, Resulting Numbers: [55, 54] Generated Node #0,1,0: 43:[55, 54] Operation: 21+33=54 Exploring Operation: 55-21=34, Resulting Numbers: [33, 34] Generated Node #0,1,1: 43:[33, 34] Operation: 55-21=34 Moving to Node #0,1,1 Current State: 43:[33, 34], Operations: ['91-36=55', '55-21=34'] Exploring Operation: 33+34=67, Resulting Numbers: [67] 67,43 unequal: No Solution Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[55, 54], Operations: ['91-36=55', '21+33=54'] Exploring Operation: 55+54=109, Resulting Numbers: [109] 109,43 unequal: No Solution Exploring Operation: 55-54=1, Resulting Numbers: [1] 1,43 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
[ 70, 26, 56, 5 ]
30
[ "70/5=14", "56/14=4", "26+4=30" ]
Current State: 30:[70, 26, 56, 5], Operations: [] Exploring Operation: 70/5=14, Resulting Numbers: [26, 56, 14] Generated Node #2: [26, 56, 14] from Operation: 70/5=14 Current State: 30:[26, 56, 14], Operations: ['70/5=14'] Exploring Operation: 56/14=4, Resulting Numbers: [26, 4] Generated Node #3: [26, 4] from Operation: 56/14=4 Current State: 30:[26, 4], Operations: ['70/5=14', '56/14=4'] Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[70, 26, 56, 5], Operations: [] Exploring Operation: 70/5=14, Resulting Numbers: [26, 56, 14] Generated Node #0,0: 30:[26, 56, 14] Operation: 70/5=14 Exploring Operation: 70-5=65, Resulting Numbers: [26, 56, 65] Generated Node #0,1: 30:[26, 56, 65] Operation: 70-5=65 Exploring Operation: 70-26=44, Resulting Numbers: [56, 5, 44] Generated Node #0,2: 30:[56, 5, 44] Operation: 70-26=44 Exploring Operation: 70-56=14, Resulting Numbers: [26, 5, 14] Generated Node #0,3: 30:[26, 5, 14] Operation: 70-56=14 Exploring Operation: 56-26=30, Resulting Numbers: [70, 5, 30] Generated Node #0,4: 30:[70, 5, 30] Operation: 56-26=30 Start Sub Search at level 1: Moving to Node #0,3 Current State: 30:[26, 5, 14], Operations: ['70-56=14'] Exploring Operation: 14-5=9, Resulting Numbers: [26, 9] Generated Node #0,3,0: 30:[26, 9] Operation: 14-5=9 Exploring Operation: 5+14=19, Resulting Numbers: [26, 19] Generated Node #0,3,1: 30:[26, 19] Operation: 5+14=19 Exploring Operation: 26-5=21, Resulting Numbers: [14, 21] Generated Node #0,3,2: 30:[14, 21] Operation: 26-5=21 Exploring Operation: 26+5=31, Resulting Numbers: [14, 31] Generated Node #0,3,3: 30:[14, 31] Operation: 26+5=31 Exploring Operation: 26-14=12, Resulting Numbers: [5, 12] Generated Node #0,3,4: 30:[5, 12] Operation: 26-14=12 Moving to Node #0,3,3 Current State: 30:[14, 31], Operations: ['70-56=14', '26+5=31'] Exploring Operation: 31-14=17, Resulting Numbers: [17] 17,30 unequal: No Solution Exploring Operation: 14*31=434, Resulting Numbers: [434] 434,30 unequal: No Solution Exploring Operation: 14+31=45, Resulting Numbers: [45] 45,30 unequal: No Solution Moving to Node #0,3,4 Current State: 30:[5, 12], Operations: ['70-56=14', '26-14=12'] Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,30 unequal: No Solution Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,30 unequal: No Solution Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,30 unequal: No Solution Moving to Node #0,3,0 Current State: 30:[26, 9], Operations: ['70-56=14', '14-5=9'] Exploring Operation: 26+9=35, Resulting Numbers: [35] 35,30 unequal: No Solution Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,30 unequal: No Solution Exploring Operation: 26*9=234, Resulting Numbers: [234] 234,30 unequal: No Solution Moving to Node #0,3,2 Current State: 30:[14, 21], Operations: ['70-56=14', '26-5=21'] Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,30 unequal: No Solution Exploring Operation: 14+21=35, Resulting Numbers: [35] 35,30 unequal: No Solution Exploring Operation: 14*21=294, Resulting Numbers: [294] 294,30 unequal: No Solution Moving to Node #0,3,1 Current State: 30:[26, 19], Operations: ['70-56=14', '5+14=19'] Exploring Operation: 26*19=494, Resulting Numbers: [494] 494,30 unequal: No Solution Exploring Operation: 26+19=45, Resulting Numbers: [45] 45,30 unequal: No Solution Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[26, 56, 14], Operations: ['70/5=14'] Exploring Operation: 56-14=42, Resulting Numbers: [26, 42] Generated Node #0,0,0: 30:[26, 42] Operation: 56-14=42 Exploring Operation: 56-26=30, Resulting Numbers: [14, 30] Generated Node #0,0,1: 30:[14, 30] Operation: 56-26=30 Exploring Operation: 26-14=12, Resulting Numbers: [56, 12] Generated Node #0,0,2: 30:[56, 12] Operation: 26-14=12 Exploring Operation: 26+14=40, Resulting Numbers: [56, 40] Generated Node #0,0,3: 30:[56, 40] Operation: 26+14=40 Exploring Operation: 56/14=4, Resulting Numbers: [26, 4] Generated Node #0,0,4: 30:[26, 4] Operation: 56/14=4 Moving to Node #0,0,1 Current State: 30:[14, 30], Operations: ['70/5=14', '56-26=30'] Exploring Operation: 14+30=44, Resulting Numbers: [44] 44,30 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,30 unequal: No Solution Exploring Operation: 14*30=420, Resulting Numbers: [420] 420,30 unequal: No Solution Moving to Node #0,0,4 Current State: 30:[26, 4], Operations: ['70/5=14', '56/14=4'] Exploring Operation: 26*4=104, Resulting Numbers: [104] 104,30 unequal: No Solution Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[70, 26, 56, 5], Operations: [] Exploring Operation: 70/5=14, Resulting Numbers: [26, 56, 14] Generated Node #0,0: 30:[26, 56, 14] Operation: 70/5=14 Moving to Node #0,0 Current State: 30:[26, 56, 14], Operations: ['70/5=14'] Exploring Operation: 56/14=4, Resulting Numbers: [26, 4] Generated Node #0,0,4: 30:[26, 4] Operation: 56/14=4 Moving to Node #0,0,4 Current State: 30:[26, 4], Operations: ['70/5=14', '56/14=4'] Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_5
sum_heuristic
[ 57, 4, 16, 13 ]
24
[ "57-4=53", "16+13=29", "53-29=24" ]
Current State: 24:[57, 4, 16, 13], Operations: [] Exploring Operation: 57-4=53, Resulting Numbers: [16, 13, 53] Generated Node #2: [16, 13, 53] from Operation: 57-4=53 Current State: 24:[16, 13, 53], Operations: ['57-4=53'] Exploring Operation: 16+13=29, Resulting Numbers: [53, 29] Generated Node #3: [53, 29] from Operation: 16+13=29 Current State: 24:[53, 29], Operations: ['57-4=53', '16+13=29'] Exploring Operation: 53-29=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[57, 4, 16, 13], Operations: [] Exploring Operation: 57-13=44, Resulting Numbers: [4, 16, 44] Generated Node #0,0: 24:[4, 16, 44] Operation: 57-13=44 Exploring Operation: 57-16=41, Resulting Numbers: [4, 13, 41] Generated Node #0,1: 24:[4, 13, 41] Operation: 57-16=41 Exploring Operation: 16-13=3, Resulting Numbers: [57, 4, 3] Generated Node #0,2: 24:[57, 4, 3] Operation: 16-13=3 Moving to Node #0,1 Current State: 24:[4, 13, 41], Operations: ['57-16=41'] Exploring Operation: 41-4=37, Resulting Numbers: [13, 37] Generated Node #0,1,0: 24:[13, 37] Operation: 41-4=37 Exploring Operation: 41-13=28, Resulting Numbers: [4, 28] Generated Node #0,1,1: 24:[4, 28] Operation: 41-13=28 Exploring Operation: 13-4=9, Resulting Numbers: [41, 9] Generated Node #0,1,2: 24:[41, 9] Operation: 13-4=9 Moving to Node #0,0 Current State: 24:[4, 16, 44], Operations: ['57-13=44'] Exploring Operation: 16-4=12, Resulting Numbers: [44, 12] Generated Node #0,0,0: 24:[44, 12] Operation: 16-4=12 Exploring Operation: 44/4=11, Resulting Numbers: [16, 11] Generated Node #0,0,1: 24:[16, 11] Operation: 44/4=11 Exploring Operation: 44-16=28, Resulting Numbers: [4, 28] Generated Node #0,0,2: 24:[4, 28] Operation: 44-16=28 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 24:[4, 28], Operations: ['57-13=44', '44-16=28'] Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,24 unequal: No Solution Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[57, 4, 16, 13], Operations: [] Exploring Operation: 57-13=44, Resulting Numbers: [4, 16, 44] Generated Node #0,0: 24:[4, 16, 44] Operation: 57-13=44 Moving to Node #0,0 Current State: 24:[4, 16, 44], Operations: ['57-13=44'] Exploring Operation: 44-16=28, Resulting Numbers: [4, 28] Generated Node #0,0,2: 24:[4, 28] Operation: 44-16=28 Moving to Node #0,0,2 Current State: 24:[4, 28], Operations: ['57-13=44', '44-16=28'] Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 5, 45, 32, 6 ]
73
[ "45-32=13", "6*13=78", "78-5=73" ]
Current State: 73:[5, 45, 32, 6], Operations: [] Exploring Operation: 45-32=13, Resulting Numbers: [5, 6, 13] Generated Node #2: [5, 6, 13] from Operation: 45-32=13 Current State: 73:[5, 6, 13], Operations: ['45-32=13'] Exploring Operation: 6*13=78, Resulting Numbers: [5, 78] Generated Node #3: [5, 78] from Operation: 6*13=78 Current State: 73:[5, 78], Operations: ['45-32=13', '6*13=78'] Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[5, 45, 32, 6], Operations: [] Exploring Operation: 5+45=50, Resulting Numbers: [32, 6, 50] Generated Node #0,0: 73:[32, 6, 50] Operation: 5+45=50 Exploring Operation: 5*6=30, Resulting Numbers: [45, 32, 30] Generated Node #0,1: 73:[45, 32, 30] Operation: 5*6=30 Moving to Node #0,1 Current State: 73:[45, 32, 30], Operations: ['5*6=30'] Exploring Operation: 32+30=62, Resulting Numbers: [45, 62] Generated Node #0,1,0: 73:[45, 62] Operation: 32+30=62 Exploring Operation: 45+30=75, Resulting Numbers: [32, 75] Generated Node #0,1,1: 73:[32, 75] Operation: 45+30=75 Moving to Node #0,0 Current State: 73:[32, 6, 50], Operations: ['5+45=50'] Exploring Operation: 32+6=38, Resulting Numbers: [50, 38] Generated Node #0,0,0: 73:[50, 38] Operation: 32+6=38 Exploring Operation: 6+50=56, Resulting Numbers: [32, 56] Generated Node #0,0,1: 73:[32, 56] Operation: 6+50=56 Moving to Node #0,1,0 Current State: 73:[45, 62], Operations: ['5*6=30', '32+30=62'] Exploring Operation: 45+62=107, Resulting Numbers: [107] 107,73 unequal: No Solution Exploring Operation: 62-45=17, Resulting Numbers: [17] 17,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[32, 75], Operations: ['5*6=30', '45+30=75'] Exploring Operation: 32+75=107, Resulting Numbers: [107] 107,73 unequal: No Solution Exploring Operation: 75-32=43, Resulting Numbers: [43] 43,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[32, 56], Operations: ['5+45=50', '6+50=56'] Exploring Operation: 56-32=24, Resulting Numbers: [24] 24,73 unequal: No Solution Exploring Operation: 32+56=88, Resulting Numbers: [88] 88,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[50, 38], Operations: ['5+45=50', '32+6=38'] Exploring Operation: 50+38=88, Resulting Numbers: [88] 88,73 unequal: No Solution Exploring Operation: 50-38=12, Resulting Numbers: [12] 12,73 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 69, 8, 6, 26 ]
79
[ "69+8=77", "6*26=156", "156-77=79" ]
Current State: 79:[69, 8, 6, 26], Operations: [] Exploring Operation: 69+8=77, Resulting Numbers: [6, 26, 77] Generated Node #2: [6, 26, 77] from Operation: 69+8=77 Current State: 79:[6, 26, 77], Operations: ['69+8=77'] Exploring Operation: 6*26=156, Resulting Numbers: [77, 156] Generated Node #3: [77, 156] from Operation: 6*26=156 Current State: 79:[77, 156], Operations: ['69+8=77', '6*26=156'] Exploring Operation: 156-77=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[69, 8, 6, 26], Operations: [] Exploring Operation: 8*6=48, Resulting Numbers: [69, 26, 48] Generated Node #0,0: 79:[69, 26, 48] Operation: 8*6=48 Exploring Operation: 69+6=75, Resulting Numbers: [8, 26, 75] Generated Node #0,1: 79:[8, 26, 75] Operation: 69+6=75 Exploring Operation: 69+8=77, Resulting Numbers: [6, 26, 77] Generated Node #0,2: 79:[6, 26, 77] Operation: 69+8=77 Exploring Operation: 8+6=14, Resulting Numbers: [69, 26, 14] Generated Node #0,3: 79:[69, 26, 14] Operation: 8+6=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[69, 26, 48], Operations: ['8*6=48'] Exploring Operation: 69+26=95, Resulting Numbers: [48, 95] Generated Node #0,0,0: 79:[48, 95] Operation: 69+26=95 Exploring Operation: 69-26=43, Resulting Numbers: [48, 43] Generated Node #0,0,1: 79:[48, 43] Operation: 69-26=43 Exploring Operation: 26+48=74, Resulting Numbers: [69, 74] Generated Node #0,0,2: 79:[69, 74] Operation: 26+48=74 Exploring Operation: 48-26=22, Resulting Numbers: [69, 22] Generated Node #0,0,3: 79:[69, 22] Operation: 48-26=22 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 79:[69, 74], Operations: ['8*6=48', '26+48=74'] Exploring Operation: 69*74=5106, Resulting Numbers: [5106] 5106,79 unequal: No Solution Exploring Operation: 69+74=143, Resulting Numbers: [143] 143,79 unequal: No Solution Exploring Operation: 74-69=5, Resulting Numbers: [5] 5,79 unequal: No Solution No 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: 79:[48, 95], Operations: ['8*6=48', '69+26=95'] Exploring Operation: 48+95=143, Resulting Numbers: [143] 143,79 unequal: No Solution Exploring Operation: 95-48=47, Resulting Numbers: [47] 47,79 unequal: No Solution Exploring Operation: 48*95=4560, Resulting Numbers: [4560] 4560,79 unequal: No Solution No 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: 79:[48, 43], Operations: ['8*6=48', '69-26=43'] Exploring Operation: 48*43=2064, Resulting Numbers: [2064] 2064,79 unequal: No Solution Exploring Operation: 48+43=91, Resulting Numbers: [91] 91,79 unequal: No Solution Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,79 unequal: No Solution No 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: 79:[69, 22], Operations: ['8*6=48', '48-26=22'] Exploring Operation: 69*22=1518, Resulting Numbers: [1518] 1518,79 unequal: No Solution Exploring Operation: 69+22=91, Resulting Numbers: [91] 91,79 unequal: No Solution Exploring Operation: 69-22=47, Resulting Numbers: [47] 47,79 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: 79:[8, 26, 75], Operations: ['69+6=75'] Exploring Operation: 8+26=34, Resulting Numbers: [75, 34] Generated Node #0,1,0: 79:[75, 34] Operation: 8+26=34 Exploring Operation: 26-8=18, Resulting Numbers: [75, 18] Generated Node #0,1,1: 79:[75, 18] Operation: 26-8=18 Exploring Operation: 8+75=83, Resulting Numbers: [26, 83] Generated Node #0,1,2: 79:[26, 83] Operation: 8+75=83 Exploring Operation: 75-8=67, Resulting Numbers: [26, 67] Generated Node #0,1,3: 79:[26, 67] Operation: 75-8=67 Moving to Node #0,1,0 Current State: 79:[75, 34], Operations: ['69+6=75', '8+26=34'] Exploring Operation: 75-34=41, Resulting Numbers: [41] 41,79 unequal: No Solution Exploring Operation: 75*34=2550, Resulting Numbers: [2550] 2550,79 unequal: No Solution Exploring Operation: 75+34=109, Resulting Numbers: [109] 109,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[26, 83], Operations: ['69+6=75', '8+75=83'] Exploring Operation: 26+83=109, Resulting Numbers: [109] 109,79 unequal: No Solution Exploring Operation: 26*83=2158, Resulting Numbers: [2158] 2158,79 unequal: No Solution Exploring Operation: 83-26=57, Resulting Numbers: [57] 57,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[26, 67], Operations: ['69+6=75', '75-8=67'] Exploring Operation: 26*67=1742, Resulting Numbers: [1742] 1742,79 unequal: No Solution Exploring Operation: 26+67=93, Resulting Numbers: [93] 93,79 unequal: No Solution Exploring Operation: 67-26=41, Resulting Numbers: [41] 41,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[75, 18], Operations: ['69+6=75', '26-8=18'] Exploring Operation: 75*18=1350, Resulting Numbers: [1350] 1350,79 unequal: No Solution Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,79 unequal: No Solution Exploring Operation: 75+18=93, Resulting Numbers: [93] 93,79 unequal: No Solution No 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: 79:[6, 26, 77], Operations: ['69+8=77'] Exploring Operation: 77-6=71, Resulting Numbers: [26, 71] Generated Node #0,2,0: 79:[26, 71] Operation: 77-6=71 Exploring Operation: 26-6=20, Resulting Numbers: [77, 20] Generated Node #0,2,1: 79:[77, 20] Operation: 26-6=20 Exploring Operation: 6+77=83, Resulting Numbers: [26, 83] Generated Node #0,2,2: 79:[26, 83] Operation: 6+77=83 Exploring Operation: 6+26=32, Resulting Numbers: [77, 32] Generated Node #0,2,3: 79:[77, 32] Operation: 6+26=32 Moving to Node #0,2,3 Current State: 79:[77, 32], Operations: ['69+8=77', '6+26=32'] Exploring Operation: 77-32=45, Resulting Numbers: [45] 45,79 unequal: No Solution Exploring Operation: 77+32=109, Resulting Numbers: [109] 109,79 unequal: No Solution Exploring Operation: 77*32=2464, Resulting Numbers: [2464] 2464,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[26, 83], Operations: ['69+8=77', '6+77=83'] Exploring Operation: 26*83=2158, Resulting Numbers: [2158] 2158,79 unequal: No Solution Exploring Operation: 26+83=109, Resulting Numbers: [109] 109,79 unequal: No Solution Exploring Operation: 83-26=57, Resulting Numbers: [57] 57,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[77, 20], Operations: ['69+8=77', '26-6=20'] Exploring Operation: 77*20=1540, Resulting Numbers: [1540] 1540,79 unequal: No Solution Exploring Operation: 77+20=97, Resulting Numbers: [97] 97,79 unequal: No Solution Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[26, 71], Operations: ['69+8=77', '77-6=71'] Exploring Operation: 26*71=1846, Resulting Numbers: [1846] 1846,79 unequal: No Solution Exploring Operation: 71-26=45, Resulting Numbers: [45] 45,79 unequal: No Solution Exploring Operation: 26+71=97, Resulting Numbers: [97] 97,79 unequal: No Solution No 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: 79:[69, 26, 14], Operations: ['8+6=14'] Exploring Operation: 69+14=83, Resulting Numbers: [26, 83] Generated Node #0,3,0: 79:[26, 83] Operation: 69+14=83 Exploring Operation: 26+14=40, Resulting Numbers: [69, 40] Generated Node #0,3,1: 79:[69, 40] Operation: 26+14=40 Exploring Operation: 26-14=12, Resulting Numbers: [69, 12] Generated Node #0,3,2: 79:[69, 12] Operation: 26-14=12 Exploring Operation: 69-14=55, Resulting Numbers: [26, 55] Generated Node #0,3,3: 79:[26, 55] Operation: 69-14=55 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 79:[69, 40], Operations: ['8+6=14', '26+14=40'] Exploring Operation: 69-40=29, Resulting Numbers: [29] 29,79 unequal: No Solution Exploring Operation: 69*40=2760, Resulting Numbers: [2760] 2760,79 unequal: No Solution Exploring Operation: 69+40=109, Resulting Numbers: [109] 109,79 unequal: No Solution No 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: 79:[26, 83], Operations: ['8+6=14', '69+14=83'] Exploring Operation: 26+83=109, Resulting Numbers: [109] 109,79 unequal: No Solution Exploring Operation: 83-26=57, Resulting Numbers: [57] 57,79 unequal: No Solution Exploring Operation: 26*83=2158, Resulting Numbers: [2158] 2158,79 unequal: No Solution No 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: 79:[69, 12], Operations: ['8+6=14', '26-14=12'] Exploring Operation: 69-12=57, Resulting Numbers: [57] 57,79 unequal: No Solution Exploring Operation: 69+12=81, Resulting Numbers: [81] 81,79 unequal: No Solution Exploring Operation: 69*12=828, Resulting Numbers: [828] 828,79 unequal: No Solution No 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: 79:[26, 55], Operations: ['8+6=14', '69-14=55'] Exploring Operation: 26+55=81, Resulting Numbers: [81] 81,79 unequal: No Solution Exploring Operation: 55-26=29, Resulting Numbers: [29] 29,79 unequal: No Solution Exploring Operation: 26*55=1430, Resulting Numbers: [1430] 1430,79 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
[ 15, 24, 78, 5 ]
82
[ "24-15=9", "78-5=73", "9+73=82" ]
Current State: 82:[15, 24, 78, 5], Operations: [] Exploring Operation: 24-15=9, Resulting Numbers: [78, 5, 9] Generated Node #2: [78, 5, 9] from Operation: 24-15=9 Current State: 82:[78, 5, 9], Operations: ['24-15=9'] Exploring Operation: 78-5=73, Resulting Numbers: [9, 73] Generated Node #3: [9, 73] from Operation: 78-5=73 Current State: 82:[9, 73], Operations: ['24-15=9', '78-5=73'] Exploring Operation: 9+73=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[15, 24, 78, 5], Operations: [] Exploring Operation: 24-15=9, Resulting Numbers: [78, 5, 9] Generated Node #0,0: 82:[78, 5, 9] Operation: 24-15=9 Exploring Operation: 15/5=3, Resulting Numbers: [24, 78, 3] Generated Node #0,1: 82:[24, 78, 3] Operation: 15/5=3 Exploring Operation: 15*5=75, Resulting Numbers: [24, 78, 75] Generated Node #0,2: 82:[24, 78, 75] Operation: 15*5=75 Exploring Operation: 15+24=39, Resulting Numbers: [78, 5, 39] Generated Node #0,3: 82:[78, 5, 39] Operation: 15+24=39 Exploring Operation: 15-5=10, Resulting Numbers: [24, 78, 10] Generated Node #0,4: 82:[24, 78, 10] Operation: 15-5=10 Moving to Node #0,3 Current State: 82:[78, 5, 39], Operations: ['15+24=39'] Exploring Operation: 78-5=73, Resulting Numbers: [39, 73] Generated Node #0,3,0: 82:[39, 73] Operation: 78-5=73 Exploring Operation: 78/39=2, Resulting Numbers: [5, 2] Generated Node #0,3,1: 82:[5, 2] Operation: 78/39=2 Exploring Operation: 5+39=44, Resulting Numbers: [78, 44] Generated Node #0,3,2: 82:[78, 44] Operation: 5+39=44 Exploring Operation: 78-39=39, Resulting Numbers: [5, 39] Generated Node #0,3,3: 82:[5, 39] Operation: 78-39=39 Exploring Operation: 78+5=83, Resulting Numbers: [39, 83] Generated Node #0,3,4: 82:[39, 83] Operation: 78+5=83 Moving to Node #0,0 Current State: 82:[78, 5, 9], Operations: ['24-15=9'] Exploring Operation: 78-5=73, Resulting Numbers: [9, 73] Generated Node #0,0,0: 82:[9, 73] Operation: 78-5=73 Exploring Operation: 5*9=45, Resulting Numbers: [78, 45] Generated Node #0,0,1: 82:[78, 45] Operation: 5*9=45 Exploring Operation: 78+5=83, Resulting Numbers: [9, 83] Generated Node #0,0,2: 82:[9, 83] Operation: 78+5=83 Exploring Operation: 78+9=87, Resulting Numbers: [5, 87] Generated Node #0,0,3: 82:[5, 87] Operation: 78+9=87 Exploring Operation: 9-5=4, Resulting Numbers: [78, 4] Generated Node #0,0,4: 82:[78, 4] Operation: 9-5=4 Moving to Node #0,1 Current State: 82:[24, 78, 3], Operations: ['15/5=3'] Exploring Operation: 24+3=27, Resulting Numbers: [78, 27] Generated Node #0,1,0: 82:[78, 27] Operation: 24+3=27 Exploring Operation: 78-24=54, Resulting Numbers: [3, 54] Generated Node #0,1,1: 82:[3, 54] Operation: 78-24=54 Exploring Operation: 24/3=8, Resulting Numbers: [78, 8] Generated Node #0,1,2: 82:[78, 8] Operation: 24/3=8 Exploring Operation: 24*3=72, Resulting Numbers: [78, 72] Generated Node #0,1,3: 82:[78, 72] Operation: 24*3=72 Exploring Operation: 78+3=81, Resulting Numbers: [24, 81] Generated Node #0,1,4: 82:[24, 81] Operation: 78+3=81 Moving to Node #0,2 Current State: 82:[24, 78, 75], Operations: ['15*5=75'] Exploring Operation: 78-24=54, Resulting Numbers: [75, 54] Generated Node #0,2,0: 82:[75, 54] Operation: 78-24=54 Exploring Operation: 78-75=3, Resulting Numbers: [24, 3] Generated Node #0,2,1: 82:[24, 3] Operation: 78-75=3 Exploring Operation: 75-24=51, Resulting Numbers: [78, 51] Generated Node #0,2,2: 82:[78, 51] Operation: 75-24=51 Exploring Operation: 24+78=102, Resulting Numbers: [75, 102] Generated Node #0,2,3: 82:[75, 102] Operation: 24+78=102 Exploring Operation: 24+75=99, Resulting Numbers: [78, 99] Generated Node #0,2,4: 82:[78, 99] Operation: 24+75=99 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 82:[78, 51], Operations: ['15*5=75', '75-24=51'] Exploring Operation: 78+51=129, Resulting Numbers: [129] 129,82 unequal: No Solution Exploring Operation: 78-51=27, Resulting Numbers: [27] 27,82 unequal: No Solution Exploring Operation: 78*51=3978, Resulting Numbers: [3978] 3978,82 unequal: No Solution No 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: 82:[24, 3], Operations: ['15*5=75', '78-75=3'] Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,82 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,82 unequal: No Solution Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,82 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,82 unequal: No Solution No 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: 82:[75, 54], Operations: ['15*5=75', '78-24=54'] Exploring Operation: 75*54=4050, Resulting Numbers: [4050] 4050,82 unequal: No Solution Exploring Operation: 75+54=129, Resulting Numbers: [129] 129,82 unequal: No Solution Exploring Operation: 75-54=21, Resulting Numbers: [21] 21,82 unequal: No Solution No 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: 82:[78, 99], Operations: ['15*5=75', '24+75=99'] Exploring Operation: 78+99=177, Resulting Numbers: [177] 177,82 unequal: No Solution Exploring Operation: 78*99=7722, Resulting Numbers: [7722] 7722,82 unequal: No Solution Exploring Operation: 99-78=21, Resulting Numbers: [21] 21,82 unequal: No Solution No 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: 82:[75, 102], Operations: ['15*5=75', '24+78=102'] Exploring Operation: 75+102=177, Resulting Numbers: [177] 177,82 unequal: No Solution Exploring Operation: 75*102=7650, Resulting Numbers: [7650] 7650,82 unequal: No Solution Exploring Operation: 102-75=27, Resulting Numbers: [27] 27,82 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: 82:[24, 78, 10], Operations: ['15-5=10'] Exploring Operation: 24+78=102, Resulting Numbers: [10, 102] Generated Node #0,4,0: 82:[10, 102] Operation: 24+78=102 Exploring Operation: 78-24=54, Resulting Numbers: [10, 54] Generated Node #0,4,1: 82:[10, 54] Operation: 78-24=54 Exploring Operation: 78+10=88, Resulting Numbers: [24, 88] Generated Node #0,4,2: 82:[24, 88] Operation: 78+10=88 Exploring Operation: 24+10=34, Resulting Numbers: [78, 34] Generated Node #0,4,3: 82:[78, 34] Operation: 24+10=34 Exploring Operation: 24-10=14, Resulting Numbers: [78, 14] Generated Node #0,4,4: 82:[78, 14] Operation: 24-10=14 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 82:[78, 34], Operations: ['15-5=10', '24+10=34'] Exploring Operation: 78*34=2652, Resulting Numbers: [2652] 2652,82 unequal: No Solution Exploring Operation: 78-34=44, Resulting Numbers: [44] 44,82 unequal: No Solution Exploring Operation: 78+34=112, Resulting Numbers: [112] 112,82 unequal: No Solution No 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: 82:[78, 14], Operations: ['15-5=10', '24-10=14'] Exploring Operation: 78*14=1092, Resulting Numbers: [1092] 1092,82 unequal: No Solution Exploring Operation: 78+14=92, Resulting Numbers: [92] 92,82 unequal: No Solution Exploring Operation: 78-14=64, Resulting Numbers: [64] 64,82 unequal: No Solution No 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: 82:[10, 54], Operations: ['15-5=10', '78-24=54'] Exploring Operation: 10+54=64, Resulting Numbers: [64] 64,82 unequal: No Solution Exploring Operation: 10*54=540, Resulting Numbers: [540] 540,82 unequal: No Solution Exploring Operation: 54-10=44, Resulting Numbers: [44] 44,82 unequal: No Solution No 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: 82:[24, 88], Operations: ['15-5=10', '78+10=88'] Exploring Operation: 24+88=112, Resulting Numbers: [112] 112,82 unequal: No Solution Exploring Operation: 88-24=64, Resulting Numbers: [64] 64,82 unequal: No Solution Exploring Operation: 24*88=2112, Resulting Numbers: [2112] 2112,82 unequal: No Solution No 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: 82:[10, 102], Operations: ['15-5=10', '24+78=102'] Exploring Operation: 10*102=1020, Resulting Numbers: [1020] 1020,82 unequal: No Solution Exploring Operation: 102-10=92, Resulting Numbers: [92] 92,82 unequal: No Solution Exploring Operation: 10+102=112, Resulting Numbers: [112] 112,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 82:[5, 2], Operations: ['15+24=39', '78/39=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,82 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,82 unequal: No Solution Moving to Node #0,3,4 Current State: 82:[39, 83], Operations: ['15+24=39', '78+5=83'] Exploring Operation: 39+83=122, Resulting Numbers: [122] 122,82 unequal: No Solution Exploring Operation: 83-39=44, Resulting Numbers: [44] 44,82 unequal: No Solution Exploring Operation: 39*83=3237, Resulting Numbers: [3237] 3237,82 unequal: No Solution Moving to Node #0,3,3 Current State: 82:[5, 39], Operations: ['15+24=39', '78-39=39'] Exploring Operation: 5*39=195, Resulting Numbers: [195] 195,82 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,82 unequal: No Solution Exploring Operation: 5+39=44, Resulting Numbers: [44] 44,82 unequal: No Solution Moving to Node #0,0,4 Current State: 82:[78, 4], Operations: ['24-15=9', '9-5=4'] Exploring Operation: 78+4=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[15, 24, 78, 5], Operations: [] Exploring Operation: 24-15=9, Resulting Numbers: [78, 5, 9] Generated Node #0,0: 82:[78, 5, 9] Operation: 24-15=9 Moving to Node #0,0 Current State: 82:[78, 5, 9], Operations: ['24-15=9'] Exploring Operation: 9-5=4, Resulting Numbers: [78, 4] Generated Node #0,0,4: 82:[78, 4] Operation: 9-5=4 Moving to Node #0,0,4 Current State: 82:[78, 4], Operations: ['24-15=9', '9-5=4'] Exploring Operation: 78+4=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
0.934896
hs_5
sum_heuristic
[ 35, 33, 71, 62 ]
59
[ "35+33=68", "71-62=9", "68-9=59" ]
Current State: 59:[35, 33, 71, 62], Operations: [] Exploring Operation: 35+33=68, Resulting Numbers: [71, 62, 68] Generated Node #2: [71, 62, 68] from Operation: 35+33=68 Current State: 59:[71, 62, 68], Operations: ['35+33=68'] Exploring Operation: 71-62=9, Resulting Numbers: [68, 9] Generated Node #3: [68, 9] from Operation: 71-62=9 Current State: 59:[68, 9], Operations: ['35+33=68', '71-62=9'] Exploring Operation: 68-9=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[35, 33, 71, 62], Operations: [] Exploring Operation: 71-35=36, Resulting Numbers: [33, 62, 36] Generated Node #0,0: 59:[33, 62, 36] Operation: 71-35=36 Exploring Operation: 62-33=29, Resulting Numbers: [35, 71, 29] Generated Node #0,1: 59:[35, 71, 29] Operation: 62-33=29 Exploring Operation: 71-33=38, Resulting Numbers: [35, 62, 38] Generated Node #0,2: 59:[35, 62, 38] Operation: 71-33=38 Exploring Operation: 35+33=68, Resulting Numbers: [71, 62, 68] Generated Node #0,3: 59:[71, 62, 68] Operation: 35+33=68 Start Sub Search at level 1: Moving to Node #0,3 Current State: 59:[71, 62, 68], Operations: ['35+33=68'] Exploring Operation: 71-68=3, Resulting Numbers: [62, 3] Generated Node #0,3,0: 59:[62, 3] Operation: 71-68=3 Exploring Operation: 71-62=9, Resulting Numbers: [68, 9] Generated Node #0,3,1: 59:[68, 9] Operation: 71-62=9 Exploring Operation: 68-62=6, Resulting Numbers: [71, 6] Generated Node #0,3,2: 59:[71, 6] Operation: 68-62=6 Exploring Operation: 71+62=133, Resulting Numbers: [68, 133] Generated Node #0,3,3: 59:[68, 133] Operation: 71+62=133 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 59:[62, 3], Operations: ['35+33=68', '71-68=3'] Exploring Operation: 62*3=186, Resulting Numbers: [186] 186,59 unequal: No Solution Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[35, 33, 71, 62], Operations: [] Exploring Operation: 35+33=68, Resulting Numbers: [71, 62, 68] Generated Node #0,3: 59:[71, 62, 68] Operation: 35+33=68 Moving to Node #0,3 Current State: 59:[71, 62, 68], Operations: ['35+33=68'] Exploring Operation: 71-68=3, Resulting Numbers: [62, 3] Generated Node #0,3,0: 59:[62, 3] Operation: 71-68=3 Moving to Node #0,3,0 Current State: 59:[62, 3], Operations: ['35+33=68', '71-68=3'] Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 44, 95, 86, 29 ]
82
[ "44+95=139", "86-29=57", "139-57=82" ]
Current State: 82:[44, 95, 86, 29], Operations: [] Exploring Operation: 44+95=139, Resulting Numbers: [86, 29, 139] Generated Node #2: [86, 29, 139] from Operation: 44+95=139 Current State: 82:[86, 29, 139], Operations: ['44+95=139'] Exploring Operation: 86-29=57, Resulting Numbers: [139, 57] Generated Node #3: [139, 57] from Operation: 86-29=57 Current State: 82:[139, 57], Operations: ['44+95=139', '86-29=57'] Exploring Operation: 139-57=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[44, 95, 86, 29], Operations: [] Exploring Operation: 95-29=66, Resulting Numbers: [44, 86, 66] Generated Node #0,0: 82:[44, 86, 66] Operation: 95-29=66 Exploring Operation: 95-86=9, Resulting Numbers: [44, 29, 9] Generated Node #0,1: 82:[44, 29, 9] Operation: 95-86=9 Exploring Operation: 95-44=51, Resulting Numbers: [86, 29, 51] Generated Node #0,2: 82:[86, 29, 51] Operation: 95-44=51 Moving to Node #0,1 Current State: 82:[44, 29, 9], Operations: ['95-86=9'] Exploring Operation: 44+29=73, Resulting Numbers: [9, 73] Generated Node #0,1,0: 82:[9, 73] Operation: 44+29=73 Exploring Operation: 44-9=35, Resulting Numbers: [29, 35] Generated Node #0,1,1: 82:[29, 35] Operation: 44-9=35 Exploring Operation: 29+9=38, Resulting Numbers: [44, 38] Generated Node #0,1,2: 82:[44, 38] Operation: 29+9=38 Moving to Node #0,0 Current State: 82:[44, 86, 66], Operations: ['95-29=66'] Exploring Operation: 86-44=42, Resulting Numbers: [66, 42] Generated Node #0,0,0: 82:[66, 42] Operation: 86-44=42 Exploring Operation: 66-44=22, Resulting Numbers: [86, 22] Generated Node #0,0,1: 82:[86, 22] Operation: 66-44=22 Exploring Operation: 86-66=20, Resulting Numbers: [44, 20] Generated Node #0,0,2: 82:[44, 20] Operation: 86-66=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[66, 42], Operations: ['95-29=66', '86-44=42'] Exploring Operation: 66+42=108, Resulting Numbers: [108] 108,82 unequal: No Solution Exploring Operation: 66-42=24, Resulting Numbers: [24] 24,82 unequal: No Solution Exploring Operation: 66*42=2772, Resulting Numbers: [2772] 2772,82 unequal: No Solution No 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: 82:[44, 20], Operations: ['95-29=66', '86-66=20'] Exploring Operation: 44+20=64, Resulting Numbers: [64] 64,82 unequal: No Solution Exploring Operation: 44*20=880, Resulting Numbers: [880] 880,82 unequal: No Solution Exploring Operation: 44-20=24, Resulting Numbers: [24] 24,82 unequal: No Solution No 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: 82:[86, 22], Operations: ['95-29=66', '66-44=22'] Exploring Operation: 86+22=108, Resulting Numbers: [108] 108,82 unequal: No Solution Exploring Operation: 86*22=1892, Resulting Numbers: [1892] 1892,82 unequal: No Solution Exploring Operation: 86-22=64, Resulting Numbers: [64] 64,82 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: 82:[86, 29, 51], Operations: ['95-44=51'] Exploring Operation: 29+51=80, Resulting Numbers: [86, 80] Generated Node #0,2,0: 82:[86, 80] Operation: 29+51=80 Exploring Operation: 51-29=22, Resulting Numbers: [86, 22] Generated Node #0,2,1: 82:[86, 22] Operation: 51-29=22 Exploring Operation: 86-51=35, Resulting Numbers: [29, 35] Generated Node #0,2,2: 82:[29, 35] Operation: 86-51=35 Moving to Node #0,1,2 Current State: 82:[44, 38], Operations: ['95-86=9', '29+9=38'] Exploring Operation: 44+38=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[44, 95, 86, 29], Operations: [] Exploring Operation: 95-86=9, Resulting Numbers: [44, 29, 9] Generated Node #0,1: 82:[44, 29, 9] Operation: 95-86=9 Moving to Node #0,1 Current State: 82:[44, 29, 9], Operations: ['95-86=9'] Exploring Operation: 29+9=38, Resulting Numbers: [44, 38] Generated Node #0,1,2: 82:[44, 38] Operation: 29+9=38 Moving to Node #0,1,2 Current State: 82:[44, 38], Operations: ['95-86=9', '29+9=38'] Exploring Operation: 44+38=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
0.977431
hs_3
sum_heuristic
[ 52, 77, 35, 51 ]
37
[ "77-51=26", "52/26=2", "35+2=37" ]
Current State: 37:[52, 77, 35, 51], Operations: [] Exploring Operation: 77-51=26, Resulting Numbers: [52, 35, 26] Generated Node #2: [52, 35, 26] from Operation: 77-51=26 Current State: 37:[52, 35, 26], Operations: ['77-51=26'] Exploring Operation: 52/26=2, Resulting Numbers: [35, 2] Generated Node #3: [35, 2] from Operation: 52/26=2 Current State: 37:[35, 2], Operations: ['77-51=26', '52/26=2'] Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[52, 77, 35, 51], Operations: [] Exploring Operation: 77-52=25, Resulting Numbers: [35, 51, 25] Generated Node #0,0: 37:[35, 51, 25] Operation: 77-52=25 Exploring Operation: 77-51=26, Resulting Numbers: [52, 35, 26] Generated Node #0,1: 37:[52, 35, 26] Operation: 77-51=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[35, 51, 25], Operations: ['77-52=25'] Exploring Operation: 51-25=26, Resulting Numbers: [35, 26] Generated Node #0,0,0: 37:[35, 26] Operation: 51-25=26 Exploring Operation: 51-35=16, Resulting Numbers: [25, 16] Generated Node #0,0,1: 37:[25, 16] Operation: 51-35=16 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[35, 26], Operations: ['77-52=25', '51-25=26'] Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,37 unequal: No Solution Exploring Operation: 35+26=61, Resulting Numbers: [61] 61,37 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 #0,0,1 Current State: 37:[25, 16], Operations: ['77-52=25', '51-35=16'] Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,37 unequal: No Solution Exploring Operation: 25+16=41, Resulting Numbers: [41] 41,37 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: 37:[52, 35, 26], Operations: ['77-51=26'] Exploring Operation: 52-35=17, Resulting Numbers: [26, 17] Generated Node #0,1,0: 37:[26, 17] Operation: 52-35=17 Exploring Operation: 52-26=26, Resulting Numbers: [35, 26] Generated Node #0,1,1: 37:[35, 26] Operation: 52-26=26 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 37:[35, 26], Operations: ['77-51=26', '52-26=26'] Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,37 unequal: No Solution Exploring Operation: 35+26=61, Resulting Numbers: [61] 61,37 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:[26, 17], Operations: ['77-51=26', '52-35=17'] Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,37 unequal: No Solution Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,37 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
[ 23, 40, 17, 6 ]
40
[ "23+40=63", "17+6=23", "63-23=40" ]
Current State: 40:[23, 40, 17, 6], Operations: [] Exploring Operation: 23+40=63, Resulting Numbers: [17, 6, 63] Generated Node #2: [17, 6, 63] from Operation: 23+40=63 Current State: 40:[17, 6, 63], Operations: ['23+40=63'] Exploring Operation: 17+6=23, Resulting Numbers: [63, 23] Generated Node #3: [63, 23] from Operation: 17+6=23 Current State: 40:[63, 23], Operations: ['23+40=63', '17+6=23'] Exploring Operation: 63-23=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[23, 40, 17, 6], Operations: [] Exploring Operation: 23+17=40, Resulting Numbers: [40, 6, 40] Generated Node #0,0: 40:[40, 6, 40] Operation: 23+17=40 Exploring Operation: 23-17=6, Resulting Numbers: [40, 6, 6] Generated Node #0,1: 40:[40, 6, 6] Operation: 23-17=6 Exploring Operation: 23-6=17, Resulting Numbers: [40, 17, 17] Generated Node #0,2: 40:[40, 17, 17] Operation: 23-6=17 Exploring Operation: 17-6=11, Resulting Numbers: [23, 40, 11] Generated Node #0,3: 40:[23, 40, 11] Operation: 17-6=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[40, 6, 40], Operations: ['23+17=40'] Exploring Operation: 40-40=0, Resulting Numbers: [6, 0] Generated Node #0,0,0: 40:[6, 0] Operation: 40-40=0 Exploring Operation: 40-6=34, Resulting Numbers: [40, 34] Generated Node #0,0,1: 40:[40, 34] Operation: 40-6=34 Exploring Operation: 40+6=46, Resulting Numbers: [40, 46] Generated Node #0,0,2: 40:[40, 46] Operation: 40+6=46 Exploring Operation: 40/40=1, Resulting Numbers: [6, 1] Generated Node #0,0,3: 40:[6, 1] Operation: 40/40=1 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 40:[6, 1], Operations: ['23+17=40', '40/40=1'] Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,40 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,40 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,40 unequal: No Solution No 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: 40:[6, 0], Operations: ['23+17=40', '40-40=0'] Exploring Operation: 6*0=0, Resulting Numbers: [0] 0,40 unequal: No Solution Exploring Operation: 6-0=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 6+0=6, Resulting Numbers: [6] 6,40 unequal: No Solution No 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: 40:[40, 34], Operations: ['23+17=40', '40-6=34'] Exploring Operation: 40*34=1360, Resulting Numbers: [1360] 1360,40 unequal: No Solution Exploring Operation: 40-34=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 40+34=74, Resulting Numbers: [74] 74,40 unequal: No Solution No 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: 40:[40, 46], Operations: ['23+17=40', '40+6=46'] Exploring Operation: 40*46=1840, Resulting Numbers: [1840] 1840,40 unequal: No Solution Exploring Operation: 40+46=86, Resulting Numbers: [86] 86,40 unequal: No Solution Exploring Operation: 46-40=6, Resulting Numbers: [6] 6,40 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: 40:[40, 6, 6], Operations: ['23-17=6'] Exploring Operation: 6-6=0, Resulting Numbers: [40, 0] Generated Node #0,1,0: 40:[40, 0] Operation: 6-6=0 Exploring Operation: 6+6=12, Resulting Numbers: [40, 12] Generated Node #0,1,1: 40:[40, 12] Operation: 6+6=12 Exploring Operation: 6/6=1, Resulting Numbers: [40, 1] Generated Node #0,1,2: 40:[40, 1] Operation: 6/6=1 Exploring Operation: 6*6=36, Resulting Numbers: [40, 36] Generated Node #0,1,3: 40:[40, 36] Operation: 6*6=36 Moving to Node #0,1,2 Current State: 40:[40, 1], Operations: ['23-17=6', '6/6=1'] Exploring Operation: 40+1=41, Resulting Numbers: [41] 41,40 unequal: No Solution Exploring Operation: 40*1=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[23, 40, 17, 6], Operations: [] Exploring Operation: 23-17=6, Resulting Numbers: [40, 6, 6] Generated Node #0,1: 40:[40, 6, 6] Operation: 23-17=6 Moving to Node #0,1 Current State: 40:[40, 6, 6], Operations: ['23-17=6'] Exploring Operation: 6/6=1, Resulting Numbers: [40, 1] Generated Node #0,1,2: 40:[40, 1] Operation: 6/6=1 Moving to Node #0,1,2 Current State: 40:[40, 1], Operations: ['23-17=6', '6/6=1'] Exploring Operation: 40*1=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
mult_heuristic
[ 15, 9, 27, 25 ]
27
[ "15+9=24", "25-24=1", "27*1=27" ]
Current State: 27:[15, 9, 27, 25], Operations: [] Exploring Operation: 15+9=24, Resulting Numbers: [27, 25, 24] Generated Node #2: [27, 25, 24] from Operation: 15+9=24 Current State: 27:[27, 25, 24], Operations: ['15+9=24'] Exploring Operation: 25-24=1, Resulting Numbers: [27, 1] Generated Node #3: [27, 1] from Operation: 25-24=1 Current State: 27:[27, 1], Operations: ['15+9=24', '25-24=1'] Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[15, 9, 27, 25], Operations: [] Exploring Operation: 15+9=24, Resulting Numbers: [27, 25, 24] Generated Node #0,0: 27:[27, 25, 24] Operation: 15+9=24 Exploring Operation: 15-9=6, Resulting Numbers: [27, 25, 6] Generated Node #0,1: 27:[27, 25, 6] Operation: 15-9=6 Exploring Operation: 25-15=10, Resulting Numbers: [9, 27, 10] Generated Node #0,2: 27:[9, 27, 10] Operation: 25-15=10 Moving to Node #0,2 Current State: 27:[9, 27, 10], Operations: ['25-15=10'] Exploring Operation: 27/9=3, Resulting Numbers: [10, 3] Generated Node #0,2,0: 27:[10, 3] Operation: 27/9=3 Exploring Operation: 9+10=19, Resulting Numbers: [27, 19] Generated Node #0,2,1: 27:[27, 19] Operation: 9+10=19 Exploring Operation: 10-9=1, Resulting Numbers: [27, 1] Generated Node #0,2,2: 27:[27, 1] Operation: 10-9=1 Moving to Node #0,0 Current State: 27:[27, 25, 24], Operations: ['15+9=24'] Exploring Operation: 25-24=1, Resulting Numbers: [27, 1] Generated Node #0,0,0: 27:[27, 1] Operation: 25-24=1 Exploring Operation: 27-25=2, Resulting Numbers: [24, 2] Generated Node #0,0,1: 27:[24, 2] Operation: 27-25=2 Exploring Operation: 27-24=3, Resulting Numbers: [25, 3] Generated Node #0,0,2: 27:[25, 3] Operation: 27-24=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[27, 1], Operations: ['15+9=24', '25-24=1'] Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,27 unequal: No Solution Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[15, 9, 27, 25], Operations: [] Exploring Operation: 15+9=24, Resulting Numbers: [27, 25, 24] Generated Node #0,0: 27:[27, 25, 24] Operation: 15+9=24 Moving to Node #0,0 Current State: 27:[27, 25, 24], Operations: ['15+9=24'] Exploring Operation: 25-24=1, Resulting Numbers: [27, 1] Generated Node #0,0,0: 27:[27, 1] Operation: 25-24=1 Moving to Node #0,0,0 Current State: 27:[27, 1], Operations: ['15+9=24', '25-24=1'] Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 95, 5, 98, 18 ]
79
[ "98-18=80", "80/5=16", "95-16=79" ]
Current State: 79:[95, 5, 98, 18], Operations: [] Exploring Operation: 98-18=80, Resulting Numbers: [95, 5, 80] Generated Node #2: [95, 5, 80] from Operation: 98-18=80 Current State: 79:[95, 5, 80], Operations: ['98-18=80'] Exploring Operation: 80/5=16, Resulting Numbers: [95, 16] Generated Node #3: [95, 16] from Operation: 80/5=16 Current State: 79:[95, 16], Operations: ['98-18=80', '80/5=16'] Exploring Operation: 95-16=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[95, 5, 98, 18], Operations: [] Exploring Operation: 95-5=90, Resulting Numbers: [98, 18, 90] Generated Node #0,0: 79:[98, 18, 90] Operation: 95-5=90 Exploring Operation: 5*18=90, Resulting Numbers: [95, 98, 90] Generated Node #0,1: 79:[95, 98, 90] Operation: 5*18=90 Exploring Operation: 98-5=93, Resulting Numbers: [95, 18, 93] Generated Node #0,2: 79:[95, 18, 93] Operation: 98-5=93 Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[95, 98, 90], Operations: ['5*18=90'] Exploring Operation: 95-90=5, Resulting Numbers: [98, 5] Generated Node #0,1,0: 79:[98, 5] Operation: 95-90=5 Exploring Operation: 98-95=3, Resulting Numbers: [90, 3] Generated Node #0,1,1: 79:[90, 3] Operation: 98-95=3 Exploring Operation: 98-90=8, Resulting Numbers: [95, 8] Generated Node #0,1,2: 79:[95, 8] Operation: 98-90=8 Moving to Node #0,1,1 Current State: 79:[90, 3], Operations: ['5*18=90', '98-95=3'] Exploring Operation: 90+3=93, Resulting Numbers: [93] 93,79 unequal: No Solution Exploring Operation: 90/3=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[95, 8], Operations: ['5*18=90', '98-90=8'] Exploring Operation: 95+8=103, Resulting Numbers: [103] 103,79 unequal: No Solution Exploring Operation: 95-8=87, Resulting Numbers: [87] 87,79 unequal: No Solution Exploring Operation: 95*8=760, Resulting Numbers: [760] 760,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[98, 5], Operations: ['5*18=90', '95-90=5'] Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,79 unequal: No Solution Exploring Operation: 98*5=490, Resulting Numbers: [490] 490,79 unequal: No Solution Exploring Operation: 98+5=103, Resulting Numbers: [103] 103,79 unequal: No Solution No 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: 79:[98, 18, 90], Operations: ['95-5=90'] Exploring Operation: 98+18=116, Resulting Numbers: [90, 116] Generated Node #0,0,0: 79:[90, 116] Operation: 98+18=116 Exploring Operation: 98-18=80, Resulting Numbers: [90, 80] Generated Node #0,0,1: 79:[90, 80] Operation: 98-18=80 Exploring Operation: 90-18=72, Resulting Numbers: [98, 72] Generated Node #0,0,2: 79:[98, 72] Operation: 90-18=72 Moving to Node #0,0,1 Current State: 79:[90, 80], Operations: ['95-5=90', '98-18=80'] Exploring Operation: 90-80=10, Resulting Numbers: [10] 10,79 unequal: No Solution Exploring Operation: 90+80=170, Resulting Numbers: [170] 170,79 unequal: No Solution Exploring Operation: 90*80=7200, Resulting Numbers: [7200] 7200,79 unequal: No Solution Moving to Node #0,0,2 Current State: 79:[98, 72], Operations: ['95-5=90', '90-18=72'] Exploring Operation: 98*72=7056, Resulting Numbers: [7056] 7056,79 unequal: No Solution Exploring Operation: 98-72=26, Resulting Numbers: [26] 26,79 unequal: No Solution Exploring Operation: 98+72=170, Resulting Numbers: [170] 170,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[90, 116], Operations: ['95-5=90', '98+18=116'] Exploring Operation: 90+116=206, Resulting Numbers: [206] 206,79 unequal: No Solution Exploring Operation: 116-90=26, Resulting Numbers: [26] 26,79 unequal: No Solution Exploring Operation: 90*116=10440, Resulting Numbers: [10440] 10440,79 unequal: No Solution No 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: 79:[95, 18, 93], Operations: ['98-5=93'] Exploring Operation: 93-18=75, Resulting Numbers: [95, 75] Generated Node #0,2,0: 79:[95, 75] Operation: 93-18=75 Exploring Operation: 95+18=113, Resulting Numbers: [93, 113] Generated Node #0,2,1: 79:[93, 113] Operation: 95+18=113 Exploring Operation: 95-18=77, Resulting Numbers: [93, 77] Generated Node #0,2,2: 79:[93, 77] Operation: 95-18=77 Moving to Node #0,2,2 Current State: 79:[93, 77], Operations: ['98-5=93', '95-18=77'] Exploring Operation: 93*77=7161, Resulting Numbers: [7161] 7161,79 unequal: No Solution Exploring Operation: 93+77=170, Resulting Numbers: [170] 170,79 unequal: No Solution Exploring Operation: 93-77=16, Resulting Numbers: [16] 16,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[95, 75], Operations: ['98-5=93', '93-18=75'] Exploring Operation: 95-75=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 95+75=170, Resulting Numbers: [170] 170,79 unequal: No Solution Exploring Operation: 95*75=7125, Resulting Numbers: [7125] 7125,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[93, 113], Operations: ['98-5=93', '95+18=113'] Exploring Operation: 93+113=206, Resulting Numbers: [206] 206,79 unequal: No Solution Exploring Operation: 113-93=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 93*113=10509, Resulting Numbers: [10509] 10509,79 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
[ 54, 60, 71, 16 ]
93
[ "60-54=6", "71+16=87", "6+87=93" ]
Current State: 93:[54, 60, 71, 16], Operations: [] Exploring Operation: 60-54=6, Resulting Numbers: [71, 16, 6] Generated Node #2: [71, 16, 6] from Operation: 60-54=6 Current State: 93:[71, 16, 6], Operations: ['60-54=6'] Exploring Operation: 71+16=87, Resulting Numbers: [6, 87] Generated Node #3: [6, 87] from Operation: 71+16=87 Current State: 93:[6, 87], Operations: ['60-54=6', '71+16=87'] Exploring Operation: 6+87=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[54, 60, 71, 16], Operations: [] Exploring Operation: 71-60=11, Resulting Numbers: [54, 16, 11] Generated Node #0,0: 93:[54, 16, 11] Operation: 71-60=11 Exploring Operation: 71-54=17, Resulting Numbers: [60, 16, 17] Generated Node #0,1: 93:[60, 16, 17] Operation: 71-54=17 Exploring Operation: 60-54=6, Resulting Numbers: [71, 16, 6] Generated Node #0,2: 93:[71, 16, 6] Operation: 60-54=6 Exploring Operation: 54+60=114, Resulting Numbers: [71, 16, 114] Generated Node #0,3: 93:[71, 16, 114] Operation: 54+60=114 Moving to Node #0,2 Current State: 93:[71, 16, 6], Operations: ['60-54=6'] Exploring Operation: 71+16=87, Resulting Numbers: [6, 87] Generated Node #0,2,0: 93:[6, 87] Operation: 71+16=87 Exploring Operation: 71+6=77, Resulting Numbers: [16, 77] Generated Node #0,2,1: 93:[16, 77] Operation: 71+6=77 Exploring Operation: 16*6=96, Resulting Numbers: [71, 96] Generated Node #0,2,2: 93:[71, 96] Operation: 16*6=96 Exploring Operation: 71-16=55, Resulting Numbers: [6, 55] Generated Node #0,2,3: 93:[6, 55] Operation: 71-16=55 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 93:[6, 87], Operations: ['60-54=6', '71+16=87'] Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,93 unequal: No Solution Exploring Operation: 6*87=522, Resulting Numbers: [522] 522,93 unequal: No Solution Exploring Operation: 6+87=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[54, 60, 71, 16], Operations: [] Exploring Operation: 60-54=6, Resulting Numbers: [71, 16, 6] Generated Node #0,2: 93:[71, 16, 6] Operation: 60-54=6 Moving to Node #0,2 Current State: 93:[71, 16, 6], Operations: ['60-54=6'] Exploring Operation: 71+16=87, Resulting Numbers: [6, 87] Generated Node #0,2,0: 93:[6, 87] Operation: 71+16=87 Moving to Node #0,2,0 Current State: 93:[6, 87], Operations: ['60-54=6', '71+16=87'] Exploring Operation: 6+87=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 13, 52, 23, 37 ]
64
[ "52/13=4", "23+37=60", "4+60=64" ]
Current State: 64:[13, 52, 23, 37], Operations: [] Exploring Operation: 52/13=4, Resulting Numbers: [23, 37, 4] Generated Node #2: [23, 37, 4] from Operation: 52/13=4 Current State: 64:[23, 37, 4], Operations: ['52/13=4'] Exploring Operation: 23+37=60, Resulting Numbers: [4, 60] Generated Node #3: [4, 60] from Operation: 23+37=60 Current State: 64:[4, 60], Operations: ['52/13=4', '23+37=60'] Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[13, 52, 23, 37], Operations: [] Exploring Operation: 52/13=4, Resulting Numbers: [23, 37, 4] Generated Node #0,0: 64:[23, 37, 4] Operation: 52/13=4 Exploring Operation: 52-37=15, Resulting Numbers: [13, 23, 15] Generated Node #0,1: 64:[13, 23, 15] Operation: 52-37=15 Exploring Operation: 52-23=29, Resulting Numbers: [13, 37, 29] Generated Node #0,2: 64:[13, 37, 29] Operation: 52-23=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[13, 23, 15], Operations: ['52-37=15'] Exploring Operation: 13+23=36, Resulting Numbers: [15, 36] Generated Node #0,1,0: 64:[15, 36] Operation: 13+23=36 Exploring Operation: 23-15=8, Resulting Numbers: [13, 8] Generated Node #0,1,1: 64:[13, 8] Operation: 23-15=8 Exploring Operation: 23-13=10, Resulting Numbers: [15, 10] Generated Node #0,1,2: 64:[15, 10] Operation: 23-13=10 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 64:[13, 8], Operations: ['52-37=15', '23-15=8'] Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,64 unequal: No Solution Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,64 unequal: No Solution No 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: 64:[15, 10], Operations: ['52-37=15', '23-13=10'] Exploring Operation: 15+10=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 15*10=150, Resulting Numbers: [150] 150,64 unequal: No Solution No 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: 64:[15, 36], Operations: ['52-37=15', '13+23=36'] Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,64 unequal: No Solution Exploring Operation: 15*36=540, Resulting Numbers: [540] 540,64 unequal: No Solution Exploring Operation: 15+36=51, Resulting Numbers: [51] 51,64 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: 64:[13, 37, 29], Operations: ['52-23=29'] Exploring Operation: 37-29=8, Resulting Numbers: [13, 8] Generated Node #0,2,0: 64:[13, 8] Operation: 37-29=8 Exploring Operation: 29-13=16, Resulting Numbers: [37, 16] Generated Node #0,2,1: 64:[37, 16] Operation: 29-13=16 Exploring Operation: 37+29=66, Resulting Numbers: [13, 66] Generated Node #0,2,2: 64:[13, 66] Operation: 37+29=66 Moving to Node #0,2,0 Current State: 64:[13, 8], Operations: ['52-23=29', '37-29=8'] Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,64 unequal: No Solution Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,64 unequal: No Solution Moving to Node #0,2,1 Current State: 64:[37, 16], Operations: ['52-23=29', '29-13=16'] Exploring Operation: 37*16=592, Resulting Numbers: [592] 592,64 unequal: No Solution Exploring Operation: 37-16=21, Resulting Numbers: [21] 21,64 unequal: No Solution Exploring Operation: 37+16=53, Resulting Numbers: [53] 53,64 unequal: No Solution Moving to Node #0,2,2 Current State: 64:[13, 66], Operations: ['52-23=29', '37+29=66'] Exploring Operation: 66-13=53, Resulting Numbers: [53] 53,64 unequal: No Solution Exploring Operation: 13+66=79, Resulting Numbers: [79] 79,64 unequal: No Solution Exploring Operation: 13*66=858, Resulting Numbers: [858] 858,64 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 Current State: 64:[23, 37, 4], Operations: ['52/13=4'] Exploring Operation: 23-4=19, Resulting Numbers: [37, 19] Generated Node #0,0,0: 64:[37, 19] Operation: 23-4=19 Exploring Operation: 23+37=60, Resulting Numbers: [4, 60] Generated Node #0,0,1: 64:[4, 60] Operation: 23+37=60 Exploring Operation: 37-23=14, Resulting Numbers: [4, 14] Generated Node #0,0,2: 64:[4, 14] Operation: 37-23=14 Moving to Node #0,0,2 Current State: 64:[4, 14], Operations: ['52/13=4', '37-23=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,64 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,64 unequal: No Solution Moving to Node #0,0,1 Current State: 64:[4, 60], Operations: ['52/13=4', '23+37=60'] Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,64 unequal: No Solution Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[13, 52, 23, 37], Operations: [] Exploring Operation: 52/13=4, Resulting Numbers: [23, 37, 4] Generated Node #0,0: 64:[23, 37, 4] Operation: 52/13=4 Moving to Node #0,0 Current State: 64:[23, 37, 4], Operations: ['52/13=4'] Exploring Operation: 23+37=60, Resulting Numbers: [4, 60] Generated Node #0,0,1: 64:[4, 60] Operation: 23+37=60 Moving to Node #0,0,1 Current State: 64:[4, 60], Operations: ['52/13=4', '23+37=60'] Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_3
mult_heuristic
[ 88, 83, 4, 43 ]
52
[ "88-83=5", "4+43=47", "5+47=52" ]
Current State: 52:[88, 83, 4, 43], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [4, 43, 5] Generated Node #2: [4, 43, 5] from Operation: 88-83=5 Current State: 52:[4, 43, 5], Operations: ['88-83=5'] Exploring Operation: 4+43=47, Resulting Numbers: [5, 47] Generated Node #3: [5, 47] from Operation: 4+43=47 Current State: 52:[5, 47], Operations: ['88-83=5', '4+43=47'] Exploring Operation: 5+47=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[88, 83, 4, 43], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [4, 43, 5] Generated Node #0,0: 52:[4, 43, 5] Operation: 88-83=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[4, 43, 5], Operations: ['88-83=5'] Exploring Operation: 43+5=48, Resulting Numbers: [4, 48] Generated Node #0,0,0: 52:[4, 48] Operation: 43+5=48 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[4, 48], Operations: ['88-83=5', '43+5=48'] Exploring Operation: 4+48=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[88, 83, 4, 43], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [4, 43, 5] Generated Node #0,0: 52:[4, 43, 5] Operation: 88-83=5 Moving to Node #0,0 Current State: 52:[4, 43, 5], Operations: ['88-83=5'] Exploring Operation: 43+5=48, Resulting Numbers: [4, 48] Generated Node #0,0,0: 52:[4, 48] Operation: 43+5=48 Moving to Node #0,0,0 Current State: 52:[4, 48], Operations: ['88-83=5', '43+5=48'] Exploring Operation: 4+48=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 94, 1, 8, 84 ]
90
[ "94-84=10", "1+8=9", "10*9=90" ]
Current State: 90:[94, 1, 8, 84], Operations: [] Exploring Operation: 94-84=10, Resulting Numbers: [1, 8, 10] Generated Node #2: [1, 8, 10] from Operation: 94-84=10 Current State: 90:[1, 8, 10], Operations: ['94-84=10'] Exploring Operation: 1+8=9, Resulting Numbers: [10, 9] Generated Node #3: [10, 9] from Operation: 1+8=9 Current State: 90:[10, 9], Operations: ['94-84=10', '1+8=9'] Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[94, 1, 8, 84], Operations: [] Exploring Operation: 94-84=10, Resulting Numbers: [1, 8, 10] Generated Node #0,0: 90:[1, 8, 10] Operation: 94-84=10 Exploring Operation: 1+8=9, Resulting Numbers: [94, 84, 9] Generated Node #0,1: 90:[94, 84, 9] Operation: 1+8=9 Exploring Operation: 8+84=92, Resulting Numbers: [94, 1, 92] Generated Node #0,2: 90:[94, 1, 92] Operation: 8+84=92 Exploring Operation: 94-1=93, Resulting Numbers: [8, 84, 93] Generated Node #0,3: 90:[8, 84, 93] Operation: 94-1=93 Moving to Node #0,0 Current State: 90:[1, 8, 10], Operations: ['94-84=10'] Exploring Operation: 8-1=7, Resulting Numbers: [10, 7] Generated Node #0,0,0: 90:[10, 7] Operation: 8-1=7 Exploring Operation: 1+8=9, Resulting Numbers: [10, 9] Generated Node #0,0,1: 90:[10, 9] Operation: 1+8=9 Exploring Operation: 8/1=8, Resulting Numbers: [10, 8] Generated Node #0,0,2: 90:[10, 8] Operation: 8/1=8 Exploring Operation: 1*8=8, Resulting Numbers: [10, 8] Generated Node #0,0,3: 90:[10, 8] Operation: 1*8=8 Moving to Node #0,2 Current State: 90:[94, 1, 92], Operations: ['8+84=92'] Exploring Operation: 92-1=91, Resulting Numbers: [94, 91] Generated Node #0,2,0: 90:[94, 91] Operation: 92-1=91 Exploring Operation: 94-92=2, Resulting Numbers: [1, 2] Generated Node #0,2,1: 90:[1, 2] Operation: 94-92=2 Exploring Operation: 94*1=94, Resulting Numbers: [92, 94] Generated Node #0,2,2: 90:[92, 94] Operation: 94*1=94 Exploring Operation: 94-1=93, Resulting Numbers: [92, 93] Generated Node #0,2,3: 90:[92, 93] Operation: 94-1=93 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 90:[1, 2], Operations: ['8+84=92', '94-92=2'] Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 1+2=3, Resulting Numbers: [3] 3,90 unequal: No Solution Exploring Operation: 1*2=2, Resulting Numbers: [2] 2,90 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 #0,2,0 Current State: 90:[94, 91], Operations: ['8+84=92', '92-1=91'] Exploring Operation: 94+91=185, Resulting Numbers: [185] 185,90 unequal: No Solution Exploring Operation: 94-91=3, Resulting Numbers: [3] 3,90 unequal: No Solution Exploring Operation: 94*91=8554, Resulting Numbers: [8554] 8554,90 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 #0,2,3 Current State: 90:[92, 93], Operations: ['8+84=92', '94-1=93'] Exploring Operation: 93-92=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 92+93=185, Resulting Numbers: [185] 185,90 unequal: No Solution Exploring Operation: 92*93=8556, Resulting Numbers: [8556] 8556,90 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 #0,2,2 Current State: 90:[92, 94], Operations: ['8+84=92', '94*1=94'] Exploring Operation: 92*94=8648, Resulting Numbers: [8648] 8648,90 unequal: No Solution Exploring Operation: 94-92=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 92+94=186, Resulting Numbers: [186] 186,90 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: 90:[8, 84, 93], Operations: ['94-1=93'] Exploring Operation: 84-8=76, Resulting Numbers: [93, 76] Generated Node #0,3,0: 90:[93, 76] Operation: 84-8=76 Exploring Operation: 93-84=9, Resulting Numbers: [8, 9] Generated Node #0,3,1: 90:[8, 9] Operation: 93-84=9 Exploring Operation: 93-8=85, Resulting Numbers: [84, 85] Generated Node #0,3,2: 90:[84, 85] Operation: 93-8=85 Exploring Operation: 8+84=92, Resulting Numbers: [93, 92] Generated Node #0,3,3: 90:[93, 92] Operation: 8+84=92 Moving to Node #0,1 Current State: 90:[94, 84, 9], Operations: ['1+8=9'] Exploring Operation: 94-9=85, Resulting Numbers: [84, 85] Generated Node #0,1,0: 90:[84, 85] Operation: 94-9=85 Exploring Operation: 94+9=103, Resulting Numbers: [84, 103] Generated Node #0,1,1: 90:[84, 103] Operation: 94+9=103 Exploring Operation: 94-84=10, Resulting Numbers: [9, 10] Generated Node #0,1,2: 90:[9, 10] Operation: 94-84=10 Exploring Operation: 84+9=93, Resulting Numbers: [94, 93] Generated Node #0,1,3: 90:[94, 93] Operation: 84+9=93 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 90:[9, 10], Operations: ['1+8=9', '94-84=10'] Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[94, 1, 8, 84], Operations: [] Exploring Operation: 1+8=9, Resulting Numbers: [94, 84, 9] Generated Node #0,1: 90:[94, 84, 9] Operation: 1+8=9 Moving to Node #0,1 Current State: 90:[94, 84, 9], Operations: ['1+8=9'] Exploring Operation: 94-84=10, Resulting Numbers: [9, 10] Generated Node #0,1,2: 90:[9, 10] Operation: 94-84=10 Moving to Node #0,1,2 Current State: 90:[9, 10], Operations: ['1+8=9', '94-84=10'] Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_4
sum_heuristic
[ 75, 39, 83, 85 ]
54
[ "75+39=114", "83+85=168", "168-114=54" ]
Current State: 54:[75, 39, 83, 85], Operations: [] Exploring Operation: 75+39=114, Resulting Numbers: [83, 85, 114] Generated Node #2: [83, 85, 114] from Operation: 75+39=114 Current State: 54:[83, 85, 114], Operations: ['75+39=114'] Exploring Operation: 83+85=168, Resulting Numbers: [114, 168] Generated Node #3: [114, 168] from Operation: 83+85=168 Current State: 54:[114, 168], Operations: ['75+39=114', '83+85=168'] Exploring Operation: 168-114=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[75, 39, 83, 85], Operations: [] Exploring Operation: 85-83=2, Resulting Numbers: [75, 39, 2] Generated Node #0,0: 54:[75, 39, 2] Operation: 85-83=2 Exploring Operation: 85-75=10, Resulting Numbers: [39, 83, 10] Generated Node #0,1: 54:[39, 83, 10] Operation: 85-75=10 Moving to Node #0,0 Current State: 54:[75, 39, 2], Operations: ['85-83=2'] Exploring Operation: 75-39=36, Resulting Numbers: [2, 36] Generated Node #0,0,0: 54:[2, 36] Operation: 75-39=36 Exploring Operation: 75-2=73, Resulting Numbers: [39, 73] Generated Node #0,0,1: 54:[39, 73] Operation: 75-2=73 Moving to Node #0,1 Current State: 54:[39, 83, 10], Operations: ['85-75=10'] Exploring Operation: 39-10=29, Resulting Numbers: [83, 29] Generated Node #0,1,0: 54:[83, 29] Operation: 39-10=29 Exploring Operation: 83-39=44, Resulting Numbers: [10, 44] Generated Node #0,1,1: 54:[10, 44] Operation: 83-39=44 Moving to Node #0,0,0 Current State: 54:[2, 36], Operations: ['85-83=2', '75-39=36'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,54 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,54 unequal: No Solution Moving to Node #0,1,1 Current State: 54:[10, 44], Operations: ['85-75=10', '83-39=44'] Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,54 unequal: No Solution Exploring Operation: 10+44=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[75, 39, 83, 85], Operations: [] Exploring Operation: 85-75=10, Resulting Numbers: [39, 83, 10] Generated Node #0,1: 54:[39, 83, 10] Operation: 85-75=10 Moving to Node #0,1 Current State: 54:[39, 83, 10], Operations: ['85-75=10'] Exploring Operation: 83-39=44, Resulting Numbers: [10, 44] Generated Node #0,1,1: 54:[10, 44] Operation: 83-39=44 Moving to Node #0,1,1 Current State: 54:[10, 44], Operations: ['85-75=10', '83-39=44'] Exploring Operation: 10+44=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
0.987847
hs_2
sum_heuristic
[ 6, 1, 11, 30 ]
26
[ "6+1=7", "30-11=19", "7+19=26" ]
Current State: 26:[6, 1, 11, 30], Operations: [] Exploring Operation: 6+1=7, Resulting Numbers: [11, 30, 7] Generated Node #2: [11, 30, 7] from Operation: 6+1=7 Current State: 26:[11, 30, 7], Operations: ['6+1=7'] Exploring Operation: 30-11=19, Resulting Numbers: [7, 19] Generated Node #3: [7, 19] from Operation: 30-11=19 Current State: 26:[7, 19], Operations: ['6+1=7', '30-11=19'] Exploring Operation: 7+19=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[6, 1, 11, 30], Operations: [] Exploring Operation: 30/6=5, Resulting Numbers: [1, 11, 5] Generated Node #0,0: 26:[1, 11, 5] Operation: 30/6=5 Exploring Operation: 6-1=5, Resulting Numbers: [11, 30, 5] Generated Node #0,1: 26:[11, 30, 5] Operation: 6-1=5 Exploring Operation: 11-6=5, Resulting Numbers: [1, 30, 5] Generated Node #0,2: 26:[1, 30, 5] Operation: 11-6=5 Exploring Operation: 6+11=17, Resulting Numbers: [1, 30, 17] Generated Node #0,3: 26:[1, 30, 17] Operation: 6+11=17 Exploring Operation: 30-6=24, Resulting Numbers: [1, 11, 24] Generated Node #0,4: 26:[1, 11, 24] Operation: 30-6=24 Start Sub Search at level 1: Moving to Node #0,4 Current State: 26:[1, 11, 24], Operations: ['30-6=24'] Exploring Operation: 1+11=12, Resulting Numbers: [24, 12] Generated Node #0,4,0: 26:[24, 12] Operation: 1+11=12 Exploring Operation: 24-11=13, Resulting Numbers: [1, 13] Generated Node #0,4,1: 26:[1, 13] Operation: 24-11=13 Exploring Operation: 11/1=11, Resulting Numbers: [24, 11] Generated Node #0,4,2: 26:[24, 11] Operation: 11/1=11 Exploring Operation: 1+24=25, Resulting Numbers: [11, 25] Generated Node #0,4,3: 26:[11, 25] Operation: 1+24=25 Exploring Operation: 1*11=11, Resulting Numbers: [24, 11] Generated Node #0,4,4: 26:[24, 11] Operation: 1*11=11 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 26:[1, 13], Operations: ['30-6=24', '24-11=13'] Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,26 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 1+13=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 1*13=13, Resulting Numbers: [13] 13,26 unequal: No Solution No 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: 26:[24, 12], Operations: ['30-6=24', '1+11=12'] Exploring Operation: 24*12=288, Resulting Numbers: [288] 288,26 unequal: No Solution Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,26 unequal: No Solution Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 24+12=36, Resulting Numbers: [36] 36,26 unequal: No Solution No 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: 26:[11, 25], Operations: ['30-6=24', '1+24=25'] Exploring Operation: 11+25=36, Resulting Numbers: [36] 36,26 unequal: No Solution Exploring Operation: 11*25=275, Resulting Numbers: [275] 275,26 unequal: No Solution Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,26 unequal: No Solution No 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: 26:[24, 11], Operations: ['30-6=24', '11/1=11'] Exploring Operation: 24*11=264, Resulting Numbers: [264] 264,26 unequal: No Solution Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 24+11=35, Resulting Numbers: [35] 35,26 unequal: No Solution No 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: 26:[24, 11], Operations: ['30-6=24', '1*11=11'] Exploring Operation: 24*11=264, Resulting Numbers: [264] 264,26 unequal: No Solution Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 24+11=35, Resulting Numbers: [35] 35,26 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: 26:[1, 11, 5], Operations: ['30/6=5'] Exploring Operation: 5-1=4, Resulting Numbers: [11, 4] Generated Node #0,0,0: 26:[11, 4] Operation: 5-1=4 Exploring Operation: 1*11=11, Resulting Numbers: [5, 11] Generated Node #0,0,1: 26:[5, 11] Operation: 1*11=11 Exploring Operation: 11/1=11, Resulting Numbers: [5, 11] Generated Node #0,0,2: 26:[5, 11] Operation: 11/1=11 Exploring Operation: 11+5=16, Resulting Numbers: [1, 16] Generated Node #0,0,3: 26:[1, 16] Operation: 11+5=16 Exploring Operation: 1+11=12, Resulting Numbers: [5, 12] Generated Node #0,0,4: 26:[5, 12] Operation: 1+11=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[11, 4], Operations: ['30/6=5', '5-1=4'] Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,26 unequal: No Solution Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,26 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,26 unequal: No Solution No 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: 26:[1, 16], Operations: ['30/6=5', '11+5=16'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,26 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,26 unequal: No Solution Exploring Operation: 1+16=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,26 unequal: No Solution No 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: 26:[5, 12], Operations: ['30/6=5', '1+11=12'] Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,26 unequal: No Solution Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,26 unequal: No Solution No 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: 26:[5, 11], Operations: ['30/6=5', '1*11=11'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,26 unequal: No Solution Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,26 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,26 unequal: No Solution No 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: 26:[5, 11], Operations: ['30/6=5', '11/1=11'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,26 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,26 unequal: No Solution Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,26 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: 26:[1, 30, 5], Operations: ['11-6=5'] Exploring Operation: 30-1=29, Resulting Numbers: [5, 29] Generated Node #0,2,0: 26:[5, 29] Operation: 30-1=29 Exploring Operation: 1*30=30, Resulting Numbers: [5, 30] Generated Node #0,2,1: 26:[5, 30] Operation: 1*30=30 Exploring Operation: 30/5=6, Resulting Numbers: [1, 6] Generated Node #0,2,2: 26:[1, 6] Operation: 30/5=6 Exploring Operation: 30-5=25, Resulting Numbers: [1, 25] Generated Node #0,2,3: 26:[1, 25] Operation: 30-5=25 Exploring Operation: 5-1=4, Resulting Numbers: [30, 4] Generated Node #0,2,4: 26:[30, 4] Operation: 5-1=4 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 26:[1, 25], Operations: ['11-6=5', '30-5=25'] Exploring Operation: 1+25=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[6, 1, 11, 30], Operations: [] Exploring Operation: 11-6=5, Resulting Numbers: [1, 30, 5] Generated Node #0,2: 26:[1, 30, 5] Operation: 11-6=5 Moving to Node #0,2 Current State: 26:[1, 30, 5], Operations: ['11-6=5'] Exploring Operation: 30-5=25, Resulting Numbers: [1, 25] Generated Node #0,2,3: 26:[1, 25] Operation: 30-5=25 Moving to Node #0,2,3 Current State: 26:[1, 25], Operations: ['11-6=5', '30-5=25'] Exploring Operation: 1+25=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.949653
hs_5
sum_heuristic
[ 95, 58, 60, 59 ]
34
[ "95+58=153", "60+59=119", "153-119=34" ]
Current State: 34:[95, 58, 60, 59], Operations: [] Exploring Operation: 95+58=153, Resulting Numbers: [60, 59, 153] Generated Node #2: [60, 59, 153] from Operation: 95+58=153 Current State: 34:[60, 59, 153], Operations: ['95+58=153'] Exploring Operation: 60+59=119, Resulting Numbers: [153, 119] Generated Node #3: [153, 119] from Operation: 60+59=119 Current State: 34:[153, 119], Operations: ['95+58=153', '60+59=119'] Exploring Operation: 153-119=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[95, 58, 60, 59], Operations: [] Exploring Operation: 60-59=1, Resulting Numbers: [95, 58, 1] Generated Node #0,0: 34:[95, 58, 1] Operation: 60-59=1 Exploring Operation: 60-58=2, Resulting Numbers: [95, 59, 2] Generated Node #0,1: 34:[95, 59, 2] Operation: 60-58=2 Exploring Operation: 95-59=36, Resulting Numbers: [58, 60, 36] Generated Node #0,2: 34:[58, 60, 36] Operation: 95-59=36 Exploring Operation: 95-60=35, Resulting Numbers: [58, 59, 35] Generated Node #0,3: 34:[58, 59, 35] Operation: 95-60=35 Exploring Operation: 95-58=37, Resulting Numbers: [60, 59, 37] Generated Node #0,4: 34:[60, 59, 37] Operation: 95-58=37 Moving to Node #0,3 Current State: 34:[58, 59, 35], Operations: ['95-60=35'] Exploring Operation: 58+35=93, Resulting Numbers: [59, 93] Generated Node #0,3,0: 34:[59, 93] Operation: 58+35=93 Exploring Operation: 58-35=23, Resulting Numbers: [59, 23] Generated Node #0,3,1: 34:[59, 23] Operation: 58-35=23 Exploring Operation: 59-35=24, Resulting Numbers: [58, 24] Generated Node #0,3,2: 34:[58, 24] Operation: 59-35=24 Exploring Operation: 59-58=1, Resulting Numbers: [35, 1] Generated Node #0,3,3: 34:[35, 1] Operation: 59-58=1 Exploring Operation: 58+59=117, Resulting Numbers: [35, 117] Generated Node #0,3,4: 34:[35, 117] Operation: 58+59=117 Moving to Node #0,2 Current State: 34:[58, 60, 36], Operations: ['95-59=36'] Exploring Operation: 58+36=94, Resulting Numbers: [60, 94] Generated Node #0,2,0: 34:[60, 94] Operation: 58+36=94 Exploring Operation: 60-36=24, Resulting Numbers: [58, 24] Generated Node #0,2,1: 34:[58, 24] Operation: 60-36=24 Exploring Operation: 58+60=118, Resulting Numbers: [36, 118] Generated Node #0,2,2: 34:[36, 118] Operation: 58+60=118 Exploring Operation: 58-36=22, Resulting Numbers: [60, 22] Generated Node #0,2,3: 34:[60, 22] Operation: 58-36=22 Exploring Operation: 60-58=2, Resulting Numbers: [36, 2] Generated Node #0,2,4: 34:[36, 2] Operation: 60-58=2 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 34:[36, 2], Operations: ['95-59=36', '60-58=2'] Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[95, 58, 60, 59], Operations: [] Exploring Operation: 95-59=36, Resulting Numbers: [58, 60, 36] Generated Node #0,2: 34:[58, 60, 36] Operation: 95-59=36 Moving to Node #0,2 Current State: 34:[58, 60, 36], Operations: ['95-59=36'] Exploring Operation: 60-58=2, Resulting Numbers: [36, 2] Generated Node #0,2,4: 34:[36, 2] Operation: 60-58=2 Moving to Node #0,2,4 Current State: 34:[36, 2], Operations: ['95-59=36', '60-58=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 61, 11, 58, 28 ]
61
[ "61-58=3", "11*3=33", "28+33=61" ]
Current State: 61:[61, 11, 58, 28], Operations: [] Exploring Operation: 61-58=3, Resulting Numbers: [11, 28, 3] Generated Node #2: [11, 28, 3] from Operation: 61-58=3 Current State: 61:[11, 28, 3], Operations: ['61-58=3'] Exploring Operation: 11*3=33, Resulting Numbers: [28, 33] Generated Node #3: [28, 33] from Operation: 11*3=33 Current State: 61:[28, 33], Operations: ['61-58=3', '11*3=33'] Exploring Operation: 28+33=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[61, 11, 58, 28], Operations: [] Exploring Operation: 11+28=39, Resulting Numbers: [61, 58, 39] Generated Node #0,0: 61:[61, 58, 39] Operation: 11+28=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[61, 58, 39], Operations: ['11+28=39'] Exploring Operation: 58+39=97, Resulting Numbers: [61, 97] Generated Node #0,0,0: 61:[61, 97] Operation: 58+39=97 Moving to Node #0,0,0 Current State: 61:[61, 97], Operations: ['11+28=39', '58+39=97'] Exploring Operation: 97-61=36, Resulting Numbers: [36] 36,61 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
[ 49, 58, 8, 83 ]
32
[ "49+58=107", "83-8=75", "107-75=32" ]
Current State: 32:[49, 58, 8, 83], Operations: [] Exploring Operation: 49+58=107, Resulting Numbers: [8, 83, 107] Generated Node #2: [8, 83, 107] from Operation: 49+58=107 Current State: 32:[8, 83, 107], Operations: ['49+58=107'] Exploring Operation: 83-8=75, Resulting Numbers: [107, 75] Generated Node #3: [107, 75] from Operation: 83-8=75 Current State: 32:[107, 75], Operations: ['49+58=107', '83-8=75'] Exploring Operation: 107-75=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[49, 58, 8, 83], Operations: [] Exploring Operation: 58-8=50, Resulting Numbers: [49, 83, 50] Generated Node #0,0: 32:[49, 83, 50] Operation: 58-8=50 Exploring Operation: 83-49=34, Resulting Numbers: [58, 8, 34] Generated Node #0,1: 32:[58, 8, 34] Operation: 83-49=34 Exploring Operation: 58-49=9, Resulting Numbers: [8, 83, 9] Generated Node #0,2: 32:[8, 83, 9] Operation: 58-49=9 Exploring Operation: 83-58=25, Resulting Numbers: [49, 8, 25] Generated Node #0,3: 32:[49, 8, 25] Operation: 83-58=25 Exploring Operation: 49-8=41, Resulting Numbers: [58, 83, 41] Generated Node #0,4: 32:[58, 83, 41] Operation: 49-8=41 Moving to Node #0,3 Current State: 32:[49, 8, 25], Operations: ['83-58=25'] Exploring Operation: 49-25=24, Resulting Numbers: [8, 24] Generated Node #0,3,0: 32:[8, 24] Operation: 49-25=24 Exploring Operation: 8+25=33, Resulting Numbers: [49, 33] Generated Node #0,3,1: 32:[49, 33] Operation: 8+25=33 Exploring Operation: 49+8=57, Resulting Numbers: [25, 57] Generated Node #0,3,2: 32:[25, 57] Operation: 49+8=57 Exploring Operation: 25-8=17, Resulting Numbers: [49, 17] Generated Node #0,3,3: 32:[49, 17] Operation: 25-8=17 Exploring Operation: 49-8=41, Resulting Numbers: [25, 41] Generated Node #0,3,4: 32:[25, 41] Operation: 49-8=41 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 32:[8, 24], Operations: ['83-58=25', '49-25=24'] Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[49, 58, 8, 83], Operations: [] Exploring Operation: 83-58=25, Resulting Numbers: [49, 8, 25] Generated Node #0,3: 32:[49, 8, 25] Operation: 83-58=25 Moving to Node #0,3 Current State: 32:[49, 8, 25], Operations: ['83-58=25'] Exploring Operation: 49-25=24, Resulting Numbers: [8, 24] Generated Node #0,3,0: 32:[8, 24] Operation: 49-25=24 Moving to Node #0,3,0 Current State: 32:[8, 24], Operations: ['83-58=25', '49-25=24'] Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 88, 41, 62, 24 ]
43
[ "88+41=129", "62+24=86", "129-86=43" ]
Current State: 43:[88, 41, 62, 24], Operations: [] Exploring Operation: 88+41=129, Resulting Numbers: [62, 24, 129] Generated Node #2: [62, 24, 129] from Operation: 88+41=129 Current State: 43:[62, 24, 129], Operations: ['88+41=129'] Exploring Operation: 62+24=86, Resulting Numbers: [129, 86] Generated Node #3: [129, 86] from Operation: 62+24=86 Current State: 43:[129, 86], Operations: ['88+41=129', '62+24=86'] Exploring Operation: 129-86=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[88, 41, 62, 24], Operations: [] Exploring Operation: 88-62=26, Resulting Numbers: [41, 24, 26] Generated Node #0,0: 43:[41, 24, 26] Operation: 88-62=26 Exploring Operation: 88-41=47, Resulting Numbers: [62, 24, 47] Generated Node #0,1: 43:[62, 24, 47] Operation: 88-41=47 Exploring Operation: 88-24=64, Resulting Numbers: [41, 62, 64] Generated Node #0,2: 43:[41, 62, 64] Operation: 88-24=64 Moving to Node #0,0 Current State: 43:[41, 24, 26], Operations: ['88-62=26'] Exploring Operation: 41+24=65, Resulting Numbers: [26, 65] Generated Node #0,0,0: 43:[26, 65] Operation: 41+24=65 Exploring Operation: 24+26=50, Resulting Numbers: [41, 50] Generated Node #0,0,1: 43:[41, 50] Operation: 24+26=50 Exploring Operation: 41-24=17, Resulting Numbers: [26, 17] Generated Node #0,0,2: 43:[26, 17] Operation: 41-24=17 Moving to Node #0,1 Current State: 43:[62, 24, 47], Operations: ['88-41=47'] Exploring Operation: 62+24=86, Resulting Numbers: [47, 86] Generated Node #0,1,0: 43:[47, 86] Operation: 62+24=86 Exploring Operation: 62-24=38, Resulting Numbers: [47, 38] Generated Node #0,1,1: 43:[47, 38] Operation: 62-24=38 Exploring Operation: 47-24=23, Resulting Numbers: [62, 23] Generated Node #0,1,2: 43:[62, 23] Operation: 47-24=23 Moving to Node #0,2 Current State: 43:[41, 62, 64], Operations: ['88-24=64'] Exploring Operation: 64-41=23, Resulting Numbers: [62, 23] Generated Node #0,2,0: 43:[62, 23] Operation: 64-41=23 Exploring Operation: 64-62=2, Resulting Numbers: [41, 2] Generated Node #0,2,1: 43:[41, 2] Operation: 64-62=2 Exploring Operation: 62-41=21, Resulting Numbers: [64, 21] Generated Node #0,2,2: 43:[64, 21] Operation: 62-41=21 Moving to Node #0,0,1 Current State: 43:[41, 50], Operations: ['88-62=26', '24+26=50'] Exploring Operation: 41+50=91, Resulting Numbers: [91] 91,43 unequal: No Solution Exploring Operation: 41*50=2050, Resulting Numbers: [2050] 2050,43 unequal: No Solution Exploring Operation: 50-41=9, Resulting Numbers: [9] 9,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[47, 38], Operations: ['88-41=47', '62-24=38'] Exploring Operation: 47+38=85, Resulting Numbers: [85] 85,43 unequal: No Solution Exploring Operation: 47*38=1786, Resulting Numbers: [1786] 1786,43 unequal: No Solution Exploring Operation: 47-38=9, Resulting Numbers: [9] 9,43 unequal: No Solution Moving to Node #0,2,0 Current State: 43:[62, 23], Operations: ['88-24=64', '64-41=23'] Exploring Operation: 62+23=85, Resulting Numbers: [85] 85,43 unequal: No Solution Exploring Operation: 62-23=39, Resulting Numbers: [39] 39,43 unequal: No Solution Exploring Operation: 62*23=1426, Resulting Numbers: [1426] 1426,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[62, 23], Operations: ['88-41=47', '47-24=23'] Exploring Operation: 62*23=1426, Resulting Numbers: [1426] 1426,43 unequal: No Solution Exploring Operation: 62+23=85, Resulting Numbers: [85] 85,43 unequal: No Solution Exploring Operation: 62-23=39, Resulting Numbers: [39] 39,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[26, 65], Operations: ['88-62=26', '41+24=65'] Exploring Operation: 65-26=39, Resulting Numbers: [39] 39,43 unequal: No Solution Exploring Operation: 26+65=91, Resulting Numbers: [91] 91,43 unequal: No Solution Exploring Operation: 26*65=1690, Resulting Numbers: [1690] 1690,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[26, 17], Operations: ['88-62=26', '41-24=17'] Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[88, 41, 62, 24], Operations: [] Exploring Operation: 88-62=26, Resulting Numbers: [41, 24, 26] Generated Node #0,0: 43:[41, 24, 26] Operation: 88-62=26 Moving to Node #0,0 Current State: 43:[41, 24, 26], Operations: ['88-62=26'] Exploring Operation: 41-24=17, Resulting Numbers: [26, 17] Generated Node #0,0,2: 43:[26, 17] Operation: 41-24=17 Moving to Node #0,0,2 Current State: 43:[26, 17], Operations: ['88-62=26', '41-24=17'] Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
0.972222
hs_3
mult_heuristic
[ 48, 70, 10, 94 ]
34
[ "48+70=118", "94-10=84", "118-84=34" ]
Current State: 34:[48, 70, 10, 94], Operations: [] Exploring Operation: 48+70=118, Resulting Numbers: [10, 94, 118] Generated Node #2: [10, 94, 118] from Operation: 48+70=118 Current State: 34:[10, 94, 118], Operations: ['48+70=118'] Exploring Operation: 94-10=84, Resulting Numbers: [118, 84] Generated Node #3: [118, 84] from Operation: 94-10=84 Current State: 34:[118, 84], Operations: ['48+70=118', '94-10=84'] Exploring Operation: 118-84=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[48, 70, 10, 94], Operations: [] Exploring Operation: 94-48=46, Resulting Numbers: [70, 10, 46] Generated Node #0,0: 34:[70, 10, 46] Operation: 94-48=46 Exploring Operation: 48-10=38, Resulting Numbers: [70, 94, 38] Generated Node #0,1: 34:[70, 94, 38] Operation: 48-10=38 Exploring Operation: 70/10=7, Resulting Numbers: [48, 94, 7] Generated Node #0,2: 34:[48, 94, 7] Operation: 70/10=7 Exploring Operation: 70-48=22, Resulting Numbers: [10, 94, 22] Generated Node #0,3: 34:[10, 94, 22] Operation: 70-48=22 Exploring Operation: 94-70=24, Resulting Numbers: [48, 10, 24] Generated Node #0,4: 34:[48, 10, 24] Operation: 94-70=24 Start Sub Search at level 1: Moving to Node #0,4 Current State: 34:[48, 10, 24], Operations: ['94-70=24'] Exploring Operation: 24-10=14, Resulting Numbers: [48, 14] Generated Node #0,4,0: 34:[48, 14] Operation: 24-10=14 Exploring Operation: 48/24=2, Resulting Numbers: [10, 2] Generated Node #0,4,1: 34:[10, 2] Operation: 48/24=2 Exploring Operation: 48-24=24, Resulting Numbers: [10, 24] Generated Node #0,4,2: 34:[10, 24] Operation: 48-24=24 Exploring Operation: 48-10=38, Resulting Numbers: [24, 38] Generated Node #0,4,3: 34:[24, 38] Operation: 48-10=38 Exploring Operation: 10+24=34, Resulting Numbers: [48, 34] Generated Node #0,4,4: 34:[48, 34] Operation: 10+24=34 Moving to Node #0,4,1 Current State: 34:[10, 2], Operations: ['94-70=24', '48/24=2'] Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,34 unequal: No Solution Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,34 unequal: No Solution Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,34 unequal: No Solution Moving to Node #0,4,3 Current State: 34:[24, 38], Operations: ['94-70=24', '48-10=38'] Exploring Operation: 24*38=912, Resulting Numbers: [912] 912,34 unequal: No Solution Exploring Operation: 24+38=62, Resulting Numbers: [62] 62,34 unequal: No Solution Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,34 unequal: No Solution Moving to Node #0,4,2 Current State: 34:[10, 24], Operations: ['94-70=24', '48-24=24'] Exploring Operation: 10+24=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[48, 70, 10, 94], Operations: [] Exploring Operation: 94-70=24, Resulting Numbers: [48, 10, 24] Generated Node #0,4: 34:[48, 10, 24] Operation: 94-70=24 Moving to Node #0,4 Current State: 34:[48, 10, 24], Operations: ['94-70=24'] Exploring Operation: 48-24=24, Resulting Numbers: [10, 24] Generated Node #0,4,2: 34:[10, 24] Operation: 48-24=24 Moving to Node #0,4,2 Current State: 34:[10, 24], Operations: ['94-70=24', '48-24=24'] Exploring Operation: 10+24=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 81, 23, 62, 52 ]
68
[ "81-23=58", "62-52=10", "58+10=68" ]
Current State: 68:[81, 23, 62, 52], Operations: [] Exploring Operation: 81-23=58, Resulting Numbers: [62, 52, 58] Generated Node #2: [62, 52, 58] from Operation: 81-23=58 Current State: 68:[62, 52, 58], Operations: ['81-23=58'] Exploring Operation: 62-52=10, Resulting Numbers: [58, 10] Generated Node #3: [58, 10] from Operation: 62-52=10 Current State: 68:[58, 10], Operations: ['81-23=58', '62-52=10'] Exploring Operation: 58+10=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[81, 23, 62, 52], Operations: [] Exploring Operation: 81-52=29, Resulting Numbers: [23, 62, 29] Generated Node #0,0: 68:[23, 62, 29] Operation: 81-52=29 Moving to Node #0,0 Current State: 68:[23, 62, 29], Operations: ['81-52=29'] Exploring Operation: 62-29=33, Resulting Numbers: [23, 33] Generated Node #0,0,0: 68:[23, 33] Operation: 62-29=33 Moving to Node #0,0,0 Current State: 68:[23, 33], Operations: ['81-52=29', '62-29=33'] Exploring Operation: 33-23=10, Resulting Numbers: [10] 10,68 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 57, 42, 78, 80 ]
36
[ "80-78=2", "42/2=21", "57-21=36" ]
Current State: 36:[57, 42, 78, 80], Operations: [] Exploring Operation: 80-78=2, Resulting Numbers: [57, 42, 2] Generated Node #2: [57, 42, 2] from Operation: 80-78=2 Current State: 36:[57, 42, 2], Operations: ['80-78=2'] Exploring Operation: 42/2=21, Resulting Numbers: [57, 21] Generated Node #3: [57, 21] from Operation: 42/2=21 Current State: 36:[57, 21], Operations: ['80-78=2', '42/2=21'] Exploring Operation: 57-21=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[57, 42, 78, 80], Operations: [] Exploring Operation: 80-78=2, Resulting Numbers: [57, 42, 2] Generated Node #0,0: 36:[57, 42, 2] Operation: 80-78=2 Moving to Node #0,0 Current State: 36:[57, 42, 2], Operations: ['80-78=2'] Exploring Operation: 57-42=15, Resulting Numbers: [2, 15] Generated Node #0,0,0: 36:[2, 15] Operation: 57-42=15 Moving to Node #0,0,0 Current State: 36:[2, 15], Operations: ['80-78=2', '57-42=15'] Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,36 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 3, 36, 64, 2 ]
70
[ "36/3=12", "12/2=6", "64+6=70" ]
Current State: 70:[3, 36, 64, 2], Operations: [] Exploring Operation: 36/3=12, Resulting Numbers: [64, 2, 12] Generated Node #2: [64, 2, 12] from Operation: 36/3=12 Current State: 70:[64, 2, 12], Operations: ['36/3=12'] Exploring Operation: 12/2=6, Resulting Numbers: [64, 6] Generated Node #3: [64, 6] from Operation: 12/2=6 Current State: 70:[64, 6], Operations: ['36/3=12', '12/2=6'] Exploring Operation: 64+6=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[3, 36, 64, 2], Operations: [] Exploring Operation: 64/2=32, Resulting Numbers: [3, 36, 32] Generated Node #0,0: 70:[3, 36, 32] Operation: 64/2=32 Exploring Operation: 3+64=67, Resulting Numbers: [36, 2, 67] Generated Node #0,1: 70:[36, 2, 67] Operation: 3+64=67 Moving to Node #0,1 Current State: 70:[36, 2, 67], Operations: ['3+64=67'] Exploring Operation: 2+67=69, Resulting Numbers: [36, 69] Generated Node #0,1,0: 70:[36, 69] Operation: 2+67=69 Exploring Operation: 36-2=34, Resulting Numbers: [67, 34] Generated Node #0,1,1: 70:[67, 34] Operation: 36-2=34 Moving to Node #0,0 Current State: 70:[3, 36, 32], Operations: ['64/2=32'] Exploring Operation: 36-32=4, Resulting Numbers: [3, 4] Generated Node #0,0,0: 70:[3, 4] Operation: 36-32=4 Exploring Operation: 3+32=35, Resulting Numbers: [36, 35] Generated Node #0,0,1: 70:[36, 35] Operation: 3+32=35 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 70:[36, 35], Operations: ['64/2=32', '3+32=35'] Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 36+35=71, Resulting Numbers: [71] 71,70 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 #0,0,0 Current State: 70:[3, 4], Operations: ['64/2=32', '36-32=4'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 70:[36, 69], Operations: ['3+64=67', '2+67=69'] Exploring Operation: 69-36=33, Resulting Numbers: [33] 33,70 unequal: No Solution Exploring Operation: 36+69=105, Resulting Numbers: [105] 105,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[67, 34], Operations: ['3+64=67', '36-2=34'] Exploring Operation: 67+34=101, Resulting Numbers: [101] 101,70 unequal: No Solution Exploring Operation: 67-34=33, Resulting Numbers: [33] 33,70 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 91, 18, 29, 10 ]
92
[ "91-18=73", "29-10=19", "73+19=92" ]
Current State: 92:[91, 18, 29, 10], Operations: [] Exploring Operation: 91-18=73, Resulting Numbers: [29, 10, 73] Generated Node #2: [29, 10, 73] from Operation: 91-18=73 Current State: 92:[29, 10, 73], Operations: ['91-18=73'] Exploring Operation: 29-10=19, Resulting Numbers: [73, 19] Generated Node #3: [73, 19] from Operation: 29-10=19 Current State: 92:[73, 19], Operations: ['91-18=73', '29-10=19'] Exploring Operation: 73+19=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[91, 18, 29, 10], Operations: [] Exploring Operation: 29-10=19, Resulting Numbers: [91, 18, 19] Generated Node #0,0: 92:[91, 18, 19] Operation: 29-10=19 Exploring Operation: 18+10=28, Resulting Numbers: [91, 29, 28] Generated Node #0,1: 92:[91, 29, 28] Operation: 18+10=28 Exploring Operation: 18+29=47, Resulting Numbers: [91, 10, 47] Generated Node #0,2: 92:[91, 10, 47] Operation: 18+29=47 Exploring Operation: 18-10=8, Resulting Numbers: [91, 29, 8] Generated Node #0,3: 92:[91, 29, 8] Operation: 18-10=8 Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[91, 10, 47], Operations: ['18+29=47'] Exploring Operation: 91+10=101, Resulting Numbers: [47, 101] Generated Node #0,2,0: 92:[47, 101] Operation: 91+10=101 Exploring Operation: 47-10=37, Resulting Numbers: [91, 37] Generated Node #0,2,1: 92:[91, 37] Operation: 47-10=37 Exploring Operation: 91-10=81, Resulting Numbers: [47, 81] Generated Node #0,2,2: 92:[47, 81] Operation: 91-10=81 Exploring Operation: 91-47=44, Resulting Numbers: [10, 44] Generated Node #0,2,3: 92:[10, 44] Operation: 91-47=44 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 92:[10, 44], Operations: ['18+29=47', '91-47=44'] Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,92 unequal: No Solution Exploring Operation: 10*44=440, Resulting Numbers: [440] 440,92 unequal: No Solution Exploring Operation: 10+44=54, Resulting Numbers: [54] 54,92 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 #0,2,0 Current State: 92:[47, 101], Operations: ['18+29=47', '91+10=101'] Exploring Operation: 101-47=54, Resulting Numbers: [54] 54,92 unequal: No Solution Exploring Operation: 47*101=4747, Resulting Numbers: [4747] 4747,92 unequal: No Solution Exploring Operation: 47+101=148, Resulting Numbers: [148] 148,92 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 #0,2,1 Current State: 92:[91, 37], Operations: ['18+29=47', '47-10=37'] Exploring Operation: 91*37=3367, Resulting Numbers: [3367] 3367,92 unequal: No Solution Exploring Operation: 91-37=54, Resulting Numbers: [54] 54,92 unequal: No Solution Exploring Operation: 91+37=128, Resulting Numbers: [128] 128,92 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 #0,2,2 Current State: 92:[47, 81], Operations: ['18+29=47', '91-10=81'] Exploring Operation: 47*81=3807, Resulting Numbers: [3807] 3807,92 unequal: No Solution Exploring Operation: 47+81=128, Resulting Numbers: [128] 128,92 unequal: No Solution Exploring Operation: 81-47=34, Resulting Numbers: [34] 34,92 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 #0,0 Current State: 92:[91, 18, 19], Operations: ['29-10=19'] Exploring Operation: 91+18=109, Resulting Numbers: [19, 109] Generated Node #0,0,0: 92:[19, 109] Operation: 91+18=109 Exploring Operation: 19-18=1, Resulting Numbers: [91, 1] Generated Node #0,0,1: 92:[91, 1] Operation: 19-18=1 Exploring Operation: 91-18=73, Resulting Numbers: [19, 73] Generated Node #0,0,2: 92:[19, 73] Operation: 91-18=73 Exploring Operation: 18+19=37, Resulting Numbers: [91, 37] Generated Node #0,0,3: 92:[91, 37] Operation: 18+19=37 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 92:[91, 1], Operations: ['29-10=19', '19-18=1'] Exploring Operation: 91+1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[91, 18, 29, 10], Operations: [] Exploring Operation: 29-10=19, Resulting Numbers: [91, 18, 19] Generated Node #0,0: 92:[91, 18, 19] Operation: 29-10=19 Moving to Node #0,0 Current State: 92:[91, 18, 19], Operations: ['29-10=19'] Exploring Operation: 19-18=1, Resulting Numbers: [91, 1] Generated Node #0,0,1: 92:[91, 1] Operation: 19-18=1 Moving to Node #0,0,1 Current State: 92:[91, 1], Operations: ['29-10=19', '19-18=1'] Exploring Operation: 91+1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.974826
hs_4
sum_heuristic
[ 34, 81, 26, 56 ]
85
[ "34+81=115", "56-26=30", "115-30=85" ]
Current State: 85:[34, 81, 26, 56], Operations: [] Exploring Operation: 34+81=115, Resulting Numbers: [26, 56, 115] Generated Node #2: [26, 56, 115] from Operation: 34+81=115 Current State: 85:[26, 56, 115], Operations: ['34+81=115'] Exploring Operation: 56-26=30, Resulting Numbers: [115, 30] Generated Node #3: [115, 30] from Operation: 56-26=30 Current State: 85:[115, 30], Operations: ['34+81=115', '56-26=30'] Exploring Operation: 115-30=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[34, 81, 26, 56], Operations: [] Exploring Operation: 34+56=90, Resulting Numbers: [81, 26, 90] Generated Node #0,0: 85:[81, 26, 90] Operation: 34+56=90 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[81, 26, 90], Operations: ['34+56=90'] Exploring Operation: 90-81=9, Resulting Numbers: [26, 9] Generated Node #0,0,0: 85:[26, 9] Operation: 90-81=9 Moving to Node #0,0,0 Current State: 85:[26, 9], Operations: ['34+56=90', '90-81=9'] Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,85 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
[ 22, 29, 78, 20 ]
20
[ "22-20=2", "29*2=58", "78-58=20" ]
Current State: 20:[22, 29, 78, 20], Operations: [] Exploring Operation: 22-20=2, Resulting Numbers: [29, 78, 2] Generated Node #2: [29, 78, 2] from Operation: 22-20=2 Current State: 20:[29, 78, 2], Operations: ['22-20=2'] Exploring Operation: 29*2=58, Resulting Numbers: [78, 58] Generated Node #3: [78, 58] from Operation: 29*2=58 Current State: 20:[78, 58], Operations: ['22-20=2', '29*2=58'] Exploring Operation: 78-58=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[22, 29, 78, 20], Operations: [] Exploring Operation: 78-20=58, Resulting Numbers: [22, 29, 58] Generated Node #0,0: 20:[22, 29, 58] Operation: 78-20=58 Exploring Operation: 78-22=56, Resulting Numbers: [29, 20, 56] Generated Node #0,1: 20:[29, 20, 56] Operation: 78-22=56 Exploring Operation: 78-29=49, Resulting Numbers: [22, 20, 49] Generated Node #0,2: 20:[22, 20, 49] Operation: 78-29=49 Moving to Node #0,2 Current State: 20:[22, 20, 49], Operations: ['78-29=49'] Exploring Operation: 22-20=2, Resulting Numbers: [49, 2] Generated Node #0,2,0: 20:[49, 2] Operation: 22-20=2 Exploring Operation: 49-20=29, Resulting Numbers: [22, 29] Generated Node #0,2,1: 20:[22, 29] Operation: 49-20=29 Exploring Operation: 49-22=27, Resulting Numbers: [20, 27] Generated Node #0,2,2: 20:[20, 27] Operation: 49-22=27 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 20:[20, 27], Operations: ['78-29=49', '49-22=27'] Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 20*27=540, Resulting Numbers: [540] 540,20 unequal: No Solution Exploring Operation: 20+27=47, Resulting Numbers: [47] 47,20 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 #0,2,1 Current State: 20:[22, 29], Operations: ['78-29=49', '49-20=29'] Exploring Operation: 29-22=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 22*29=638, Resulting Numbers: [638] 638,20 unequal: No Solution Exploring Operation: 22+29=51, Resulting Numbers: [51] 51,20 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 #0,2,0 Current State: 20:[49, 2], Operations: ['78-29=49', '22-20=2'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,20 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:[29, 20, 56], Operations: ['78-22=56'] Exploring Operation: 56-20=36, Resulting Numbers: [29, 36] Generated Node #0,1,0: 20:[29, 36] Operation: 56-20=36 Exploring Operation: 29-20=9, Resulting Numbers: [56, 9] Generated Node #0,1,1: 20:[56, 9] Operation: 29-20=9 Exploring Operation: 56-29=27, Resulting Numbers: [20, 27] Generated Node #0,1,2: 20:[20, 27] Operation: 56-29=27 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 20:[20, 27], Operations: ['78-22=56', '56-29=27'] Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 20*27=540, Resulting Numbers: [540] 540,20 unequal: No Solution Exploring Operation: 20+27=47, Resulting Numbers: [47] 47,20 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:[29, 36], Operations: ['78-22=56', '56-20=36'] Exploring Operation: 29*36=1044, Resulting Numbers: [1044] 1044,20 unequal: No Solution Exploring Operation: 29+36=65, Resulting Numbers: [65] 65,20 unequal: No Solution Exploring Operation: 36-29=7, Resulting Numbers: [7] 7,20 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 #0,1,1 Current State: 20:[56, 9], Operations: ['78-22=56', '29-20=9'] Exploring Operation: 56*9=504, Resulting Numbers: [504] 504,20 unequal: No Solution Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 56+9=65, Resulting Numbers: [65] 65,20 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: 20:[22, 29, 58], Operations: ['78-20=58'] Exploring Operation: 58-22=36, Resulting Numbers: [29, 36] Generated Node #0,0,0: 20:[29, 36] Operation: 58-22=36 Exploring Operation: 58/29=2, Resulting Numbers: [22, 2] Generated Node #0,0,1: 20:[22, 2] Operation: 58/29=2 Exploring Operation: 58-29=29, Resulting Numbers: [22, 29] Generated Node #0,0,2: 20:[22, 29] Operation: 58-29=29 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[22, 2], Operations: ['78-20=58', '58/29=2'] Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,20 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[22, 29, 78, 20], Operations: [] Exploring Operation: 78-20=58, Resulting Numbers: [22, 29, 58] Generated Node #0,0: 20:[22, 29, 58] Operation: 78-20=58 Moving to Node #0,0 Current State: 20:[22, 29, 58], Operations: ['78-20=58'] Exploring Operation: 58/29=2, Resulting Numbers: [22, 2] Generated Node #0,0,1: 20:[22, 2] Operation: 58/29=2 Moving to Node #0,0,1 Current State: 20:[22, 2], Operations: ['78-20=58', '58/29=2'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_3
mult_heuristic
[ 37, 82, 5, 69 ]
10
[ "37+82=119", "119-69=50", "50/5=10" ]
Current State: 10:[37, 82, 5, 69], Operations: [] Exploring Operation: 37+82=119, Resulting Numbers: [5, 69, 119] Generated Node #2: [5, 69, 119] from Operation: 37+82=119 Current State: 10:[5, 69, 119], Operations: ['37+82=119'] Exploring Operation: 119-69=50, Resulting Numbers: [5, 50] Generated Node #3: [5, 50] from Operation: 119-69=50 Current State: 10:[5, 50], Operations: ['37+82=119', '119-69=50'] Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[37, 82, 5, 69], Operations: [] Exploring Operation: 69-37=32, Resulting Numbers: [82, 5, 32] Generated Node #0,0: 10:[82, 5, 32] Operation: 69-37=32 Exploring Operation: 82-69=13, Resulting Numbers: [37, 5, 13] Generated Node #0,1: 10:[37, 5, 13] Operation: 82-69=13 Exploring Operation: 82-37=45, Resulting Numbers: [5, 69, 45] Generated Node #0,2: 10:[5, 69, 45] Operation: 82-37=45 Moving to Node #0,1 Current State: 10:[37, 5, 13], Operations: ['82-69=13'] Exploring Operation: 37-13=24, Resulting Numbers: [5, 24] Generated Node #0,1,0: 10:[5, 24] Operation: 37-13=24 Exploring Operation: 37-5=32, Resulting Numbers: [13, 32] Generated Node #0,1,1: 10:[13, 32] Operation: 37-5=32 Exploring Operation: 13-5=8, Resulting Numbers: [37, 8] Generated Node #0,1,2: 10:[37, 8] Operation: 13-5=8 Moving to Node #0,0 Current State: 10:[82, 5, 32], Operations: ['69-37=32'] Exploring Operation: 82-5=77, Resulting Numbers: [32, 77] Generated Node #0,0,0: 10:[32, 77] Operation: 82-5=77 Exploring Operation: 82-32=50, Resulting Numbers: [5, 50] Generated Node #0,0,1: 10:[5, 50] Operation: 82-32=50 Exploring Operation: 32-5=27, Resulting Numbers: [82, 27] Generated Node #0,0,2: 10:[82, 27] Operation: 32-5=27 Moving to Node #0,2 Current State: 10:[5, 69, 45], Operations: ['82-37=45'] Exploring Operation: 45/5=9, Resulting Numbers: [69, 9] Generated Node #0,2,0: 10:[69, 9] Operation: 45/5=9 Exploring Operation: 69-5=64, Resulting Numbers: [45, 64] Generated Node #0,2,1: 10:[45, 64] Operation: 69-5=64 Exploring Operation: 69-45=24, Resulting Numbers: [5, 24] Generated Node #0,2,2: 10:[5, 24] Operation: 69-45=24 Moving to Node #0,1,0 Current State: 10:[5, 24], Operations: ['82-69=13', '37-13=24'] Exploring Operation: 5+24=29, Resulting Numbers: [29] 29,10 unequal: No Solution Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 5*24=120, Resulting Numbers: [120] 120,10 unequal: No Solution Moving to Node #0,2,2 Current State: 10:[5, 24], Operations: ['82-37=45', '69-45=24'] Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 5+24=29, Resulting Numbers: [29] 29,10 unequal: No Solution Exploring Operation: 5*24=120, Resulting Numbers: [120] 120,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[13, 32], Operations: ['82-69=13', '37-5=32'] Exploring Operation: 13+32=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 13*32=416, Resulting Numbers: [416] 416,10 unequal: No Solution Moving to Node #0,1,2 Current State: 10:[37, 8], Operations: ['82-69=13', '13-5=8'] Exploring Operation: 37-8=29, Resulting Numbers: [29] 29,10 unequal: No Solution Exploring Operation: 37*8=296, Resulting Numbers: [296] 296,10 unequal: No Solution Exploring Operation: 37+8=45, Resulting Numbers: [45] 45,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[5, 50], Operations: ['69-37=32', '82-32=50'] Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,10 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[37, 82, 5, 69], Operations: [] Exploring Operation: 69-37=32, Resulting Numbers: [82, 5, 32] Generated Node #0,0: 10:[82, 5, 32] Operation: 69-37=32 Moving to Node #0,0 Current State: 10:[82, 5, 32], Operations: ['69-37=32'] Exploring Operation: 82-32=50, Resulting Numbers: [5, 50] Generated Node #0,0,1: 10:[5, 50] Operation: 82-32=50 Moving to Node #0,0,1 Current State: 10:[5, 50], Operations: ['69-37=32', '82-32=50'] Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
0.97309
hs_3
sum_heuristic
[ 8, 51, 60, 12 ]
84
[ "60-51=9", "8*9=72", "12+72=84" ]
Current State: 84:[8, 51, 60, 12], Operations: [] Exploring Operation: 60-51=9, Resulting Numbers: [8, 12, 9] Generated Node #2: [8, 12, 9] from Operation: 60-51=9 Current State: 84:[8, 12, 9], Operations: ['60-51=9'] Exploring Operation: 8*9=72, Resulting Numbers: [12, 72] Generated Node #3: [12, 72] from Operation: 8*9=72 Current State: 84:[12, 72], Operations: ['60-51=9', '8*9=72'] Exploring Operation: 12+72=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[8, 51, 60, 12], Operations: [] Exploring Operation: 60-51=9, Resulting Numbers: [8, 12, 9] Generated Node #0,0: 84:[8, 12, 9] Operation: 60-51=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[8, 12, 9], Operations: ['60-51=9'] Exploring Operation: 9-8=1, Resulting Numbers: [12, 1] Generated Node #0,0,0: 84:[12, 1] Operation: 9-8=1 Moving to Node #0,0,0 Current State: 84:[12, 1], Operations: ['60-51=9', '9-8=1'] Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,84 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
[ 57, 52, 61, 25 ]
73
[ "57+52=109", "61-25=36", "109-36=73" ]
Current State: 73:[57, 52, 61, 25], Operations: [] Exploring Operation: 57+52=109, Resulting Numbers: [61, 25, 109] Generated Node #2: [61, 25, 109] from Operation: 57+52=109 Current State: 73:[61, 25, 109], Operations: ['57+52=109'] Exploring Operation: 61-25=36, Resulting Numbers: [109, 36] Generated Node #3: [109, 36] from Operation: 61-25=36 Current State: 73:[109, 36], Operations: ['57+52=109', '61-25=36'] Exploring Operation: 109-36=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[57, 52, 61, 25], Operations: [] Exploring Operation: 57+25=82, Resulting Numbers: [52, 61, 82] Generated Node #0,0: 73:[52, 61, 82] Operation: 57+25=82 Exploring Operation: 52+25=77, Resulting Numbers: [57, 61, 77] Generated Node #0,1: 73:[57, 61, 77] Operation: 52+25=77 Exploring Operation: 61+25=86, Resulting Numbers: [57, 52, 86] Generated Node #0,2: 73:[57, 52, 86] Operation: 61+25=86 Exploring Operation: 57-25=32, Resulting Numbers: [52, 61, 32] Generated Node #0,3: 73:[52, 61, 32] Operation: 57-25=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[57, 61, 77], Operations: ['52+25=77'] Exploring Operation: 77-57=20, Resulting Numbers: [61, 20] Generated Node #0,1,0: 73:[61, 20] Operation: 77-57=20 Exploring Operation: 57+77=134, Resulting Numbers: [61, 134] Generated Node #0,1,1: 73:[61, 134] Operation: 57+77=134 Exploring Operation: 57+61=118, Resulting Numbers: [77, 118] Generated Node #0,1,2: 73:[77, 118] Operation: 57+61=118 Exploring Operation: 61-57=4, Resulting Numbers: [77, 4] Generated Node #0,1,3: 73:[77, 4] Operation: 61-57=4 Moving to Node #0,1,2 Current State: 73:[77, 118], Operations: ['52+25=77', '57+61=118'] Exploring Operation: 118-77=41, Resulting Numbers: [41] 41,73 unequal: No Solution Exploring Operation: 77*118=9086, Resulting Numbers: [9086] 9086,73 unequal: No Solution Exploring Operation: 77+118=195, Resulting Numbers: [195] 195,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[61, 20], Operations: ['52+25=77', '77-57=20'] Exploring Operation: 61*20=1220, Resulting Numbers: [1220] 1220,73 unequal: No Solution Exploring Operation: 61+20=81, Resulting Numbers: [81] 81,73 unequal: No Solution Exploring Operation: 61-20=41, Resulting Numbers: [41] 41,73 unequal: No Solution Moving to Node #0,1,3 Current State: 73:[77, 4], Operations: ['52+25=77', '61-57=4'] Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,73 unequal: No Solution Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[57, 52, 61, 25], Operations: [] Exploring Operation: 52+25=77, Resulting Numbers: [57, 61, 77] Generated Node #0,1: 73:[57, 61, 77] Operation: 52+25=77 Moving to Node #0,1 Current State: 73:[57, 61, 77], Operations: ['52+25=77'] Exploring Operation: 61-57=4, Resulting Numbers: [77, 4] Generated Node #0,1,3: 73:[77, 4] Operation: 61-57=4 Moving to Node #0,1,3 Current State: 73:[77, 4], Operations: ['52+25=77', '61-57=4'] Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
sum_heuristic
[ 56, 11, 68, 70 ]
43
[ "56-11=45", "70-68=2", "45-2=43" ]
Current State: 43:[56, 11, 68, 70], Operations: [] Exploring Operation: 56-11=45, Resulting Numbers: [68, 70, 45] Generated Node #2: [68, 70, 45] from Operation: 56-11=45 Current State: 43:[68, 70, 45], Operations: ['56-11=45'] Exploring Operation: 70-68=2, Resulting Numbers: [45, 2] Generated Node #3: [45, 2] from Operation: 70-68=2 Current State: 43:[45, 2], Operations: ['56-11=45', '70-68=2'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[56, 11, 68, 70], Operations: [] Exploring Operation: 56-11=45, Resulting Numbers: [68, 70, 45] Generated Node #0,0: 43:[68, 70, 45] Operation: 56-11=45 Exploring Operation: 68-11=57, Resulting Numbers: [56, 70, 57] Generated Node #0,1: 43:[56, 70, 57] Operation: 68-11=57 Exploring Operation: 56+11=67, Resulting Numbers: [68, 70, 67] Generated Node #0,2: 43:[68, 70, 67] Operation: 56+11=67 Exploring Operation: 70-11=59, Resulting Numbers: [56, 68, 59] Generated Node #0,3: 43:[56, 68, 59] Operation: 70-11=59 Moving to Node #0,0 Current State: 43:[68, 70, 45], Operations: ['56-11=45'] Exploring Operation: 70-45=25, Resulting Numbers: [68, 25] Generated Node #0,0,0: 43:[68, 25] Operation: 70-45=25 Exploring Operation: 68+70=138, Resulting Numbers: [45, 138] Generated Node #0,0,1: 43:[45, 138] Operation: 68+70=138 Exploring Operation: 68-45=23, Resulting Numbers: [70, 23] Generated Node #0,0,2: 43:[70, 23] Operation: 68-45=23 Exploring Operation: 70-68=2, Resulting Numbers: [45, 2] Generated Node #0,0,3: 43:[45, 2] Operation: 70-68=2 Moving to Node #0,3 Current State: 43:[56, 68, 59], Operations: ['70-11=59'] Exploring Operation: 68-59=9, Resulting Numbers: [56, 9] Generated Node #0,3,0: 43:[56, 9] Operation: 68-59=9 Exploring Operation: 56+68=124, Resulting Numbers: [59, 124] Generated Node #0,3,1: 43:[59, 124] Operation: 56+68=124 Exploring Operation: 59-56=3, Resulting Numbers: [68, 3] Generated Node #0,3,2: 43:[68, 3] Operation: 59-56=3 Exploring Operation: 68-56=12, Resulting Numbers: [59, 12] Generated Node #0,3,3: 43:[59, 12] Operation: 68-56=12 Moving to Node #0,1 Current State: 43:[56, 70, 57], Operations: ['68-11=57'] Exploring Operation: 56+70=126, Resulting Numbers: [57, 126] Generated Node #0,1,0: 43:[57, 126] Operation: 56+70=126 Exploring Operation: 70-56=14, Resulting Numbers: [57, 14] Generated Node #0,1,1: 43:[57, 14] Operation: 70-56=14 Exploring Operation: 70-57=13, Resulting Numbers: [56, 13] Generated Node #0,1,2: 43:[56, 13] Operation: 70-57=13 Exploring Operation: 57-56=1, Resulting Numbers: [70, 1] Generated Node #0,1,3: 43:[70, 1] Operation: 57-56=1 Moving to Node #0,2 Current State: 43:[68, 70, 67], Operations: ['56+11=67'] Exploring Operation: 70-68=2, Resulting Numbers: [67, 2] Generated Node #0,2,0: 43:[67, 2] Operation: 70-68=2 Exploring Operation: 68-67=1, Resulting Numbers: [70, 1] Generated Node #0,2,1: 43:[70, 1] Operation: 68-67=1 Exploring Operation: 68+70=138, Resulting Numbers: [67, 138] Generated Node #0,2,2: 43:[67, 138] Operation: 68+70=138 Exploring Operation: 70-67=3, Resulting Numbers: [68, 3] Generated Node #0,2,3: 43:[68, 3] Operation: 70-67=3 Moving to Node #0,0,0 Current State: 43:[68, 25], Operations: ['56-11=45', '70-45=25'] Exploring Operation: 68+25=93, Resulting Numbers: [93] 93,43 unequal: No Solution Exploring Operation: 68*25=1700, Resulting Numbers: [1700] 1700,43 unequal: No Solution Exploring Operation: 68-25=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[56, 11, 68, 70], Operations: [] Exploring Operation: 56-11=45, Resulting Numbers: [68, 70, 45] Generated Node #0,0: 43:[68, 70, 45] Operation: 56-11=45 Moving to Node #0,0 Current State: 43:[68, 70, 45], Operations: ['56-11=45'] Exploring Operation: 70-45=25, Resulting Numbers: [68, 25] Generated Node #0,0,0: 43:[68, 25] Operation: 70-45=25 Moving to Node #0,0,0 Current State: 43:[68, 25], Operations: ['56-11=45', '70-45=25'] Exploring Operation: 68-25=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
0.976563
hs_4
sum_heuristic
[ 44, 56, 35, 22 ]
23
[ "44/22=2", "56-35=21", "2+21=23" ]
Current State: 23:[44, 56, 35, 22], Operations: [] Exploring Operation: 44/22=2, Resulting Numbers: [56, 35, 2] Generated Node #2: [56, 35, 2] from Operation: 44/22=2 Current State: 23:[56, 35, 2], Operations: ['44/22=2'] Exploring Operation: 56-35=21, Resulting Numbers: [2, 21] Generated Node #3: [2, 21] from Operation: 56-35=21 Current State: 23:[2, 21], Operations: ['44/22=2', '56-35=21'] Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[44, 56, 35, 22], Operations: [] Exploring Operation: 56-44=12, Resulting Numbers: [35, 22, 12] Generated Node #0,0: 23:[35, 22, 12] Operation: 56-44=12 Exploring Operation: 56-22=34, Resulting Numbers: [44, 35, 34] Generated Node #0,1: 23:[44, 35, 34] Operation: 56-22=34 Exploring Operation: 44-22=22, Resulting Numbers: [56, 35, 22] Generated Node #0,2: 23:[56, 35, 22] Operation: 44-22=22 Exploring Operation: 56-35=21, Resulting Numbers: [44, 22, 21] Generated Node #0,3: 23:[44, 22, 21] Operation: 56-35=21 Moving to Node #0,0 Current State: 23:[35, 22, 12], Operations: ['56-44=12'] Exploring Operation: 35+12=47, Resulting Numbers: [22, 47] Generated Node #0,0,0: 23:[22, 47] Operation: 35+12=47 Exploring Operation: 35-22=13, Resulting Numbers: [12, 13] Generated Node #0,0,1: 23:[12, 13] Operation: 35-22=13 Exploring Operation: 22+12=34, Resulting Numbers: [35, 34] Generated Node #0,0,2: 23:[35, 34] Operation: 22+12=34 Exploring Operation: 35-12=23, Resulting Numbers: [22, 23] Generated Node #0,0,3: 23:[22, 23] Operation: 35-12=23 Moving to Node #0,3 Current State: 23:[44, 22, 21], Operations: ['56-35=21'] Exploring Operation: 44/22=2, Resulting Numbers: [21, 2] Generated Node #0,3,0: 23:[21, 2] Operation: 44/22=2 Exploring Operation: 22+21=43, Resulting Numbers: [44, 43] Generated Node #0,3,1: 23:[44, 43] Operation: 22+21=43 Exploring Operation: 44-22=22, Resulting Numbers: [21, 22] Generated Node #0,3,2: 23:[21, 22] Operation: 44-22=22 Exploring Operation: 44-21=23, Resulting Numbers: [22, 23] Generated Node #0,3,3: 23:[22, 23] Operation: 44-21=23 Moving to Node #0,1 Current State: 23:[44, 35, 34], Operations: ['56-22=34'] Exploring Operation: 44+35=79, Resulting Numbers: [34, 79] Generated Node #0,1,0: 23:[34, 79] Operation: 44+35=79 Exploring Operation: 44-34=10, Resulting Numbers: [35, 10] Generated Node #0,1,1: 23:[35, 10] Operation: 44-34=10 Exploring Operation: 44-35=9, Resulting Numbers: [34, 9] Generated Node #0,1,2: 23:[34, 9] Operation: 44-35=9 Exploring Operation: 35-34=1, Resulting Numbers: [44, 1] Generated Node #0,1,3: 23:[44, 1] Operation: 35-34=1 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[35, 10], Operations: ['56-22=34', '44-34=10'] Exploring Operation: 35*10=350, Resulting Numbers: [350] 350,23 unequal: No Solution Exploring Operation: 35+10=45, Resulting Numbers: [45] 45,23 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,23 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 #0,1,2 Current State: 23:[34, 9], Operations: ['56-22=34', '44-35=9'] Exploring Operation: 34*9=306, Resulting Numbers: [306] 306,23 unequal: No Solution Exploring Operation: 34+9=43, Resulting Numbers: [43] 43,23 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,23 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 #0,1,3 Current State: 23:[44, 1], Operations: ['56-22=34', '35-34=1'] Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,23 unequal: No Solution Exploring Operation: 44*1=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,23 unequal: No Solution Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,23 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 #0,1,0 Current State: 23:[34, 79], Operations: ['56-22=34', '44+35=79'] Exploring Operation: 34+79=113, Resulting Numbers: [113] 113,23 unequal: No Solution Exploring Operation: 79-34=45, Resulting Numbers: [45] 45,23 unequal: No Solution Exploring Operation: 34*79=2686, Resulting Numbers: [2686] 2686,23 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: 23:[56, 35, 22], Operations: ['44-22=22'] Exploring Operation: 56-22=34, Resulting Numbers: [35, 34] Generated Node #0,2,0: 23:[35, 34] Operation: 56-22=34 Exploring Operation: 56+22=78, Resulting Numbers: [35, 78] Generated Node #0,2,1: 23:[35, 78] Operation: 56+22=78 Exploring Operation: 56-35=21, Resulting Numbers: [22, 21] Generated Node #0,2,2: 23:[22, 21] Operation: 56-35=21 Exploring Operation: 35-22=13, Resulting Numbers: [56, 13] Generated Node #0,2,3: 23:[56, 13] Operation: 35-22=13 Moving to Node #0,0,3 Current State: 23:[22, 23], Operations: ['56-44=12', '35-12=23'] Exploring Operation: 22*23=506, Resulting Numbers: [506] 506,23 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 22+23=45, Resulting Numbers: [45] 45,23 unequal: No Solution Moving to Node #0,3,3 Current State: 23:[22, 23], Operations: ['56-35=21', '44-21=23'] Exploring Operation: 22+23=45, Resulting Numbers: [45] 45,23 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 22*23=506, Resulting Numbers: [506] 506,23 unequal: No Solution Moving to Node #0,3,2 Current State: 23:[21, 22], Operations: ['56-35=21', '44-22=22'] Exploring Operation: 21+22=43, Resulting Numbers: [43] 43,23 unequal: No Solution Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 21*22=462, Resulting Numbers: [462] 462,23 unequal: No Solution Moving to Node #0,2,2 Current State: 23:[22, 21], Operations: ['44-22=22', '56-35=21'] Exploring Operation: 22*21=462, Resulting Numbers: [462] 462,23 unequal: No Solution Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 22+21=43, Resulting Numbers: [43] 43,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[12, 13], Operations: ['56-44=12', '35-22=13'] Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 12*13=156, Resulting Numbers: [156] 156,23 unequal: No Solution Exploring Operation: 12+13=25, Resulting Numbers: [25] 25,23 unequal: No Solution Moving to Node #0,3,0 Current State: 23:[21, 2], Operations: ['56-35=21', '44/22=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[44, 56, 35, 22], Operations: [] Exploring Operation: 56-35=21, Resulting Numbers: [44, 22, 21] Generated Node #0,3: 23:[44, 22, 21] Operation: 56-35=21 Moving to Node #0,3 Current State: 23:[44, 22, 21], Operations: ['56-35=21'] Exploring Operation: 44/22=2, Resulting Numbers: [21, 2] Generated Node #0,3,0: 23:[21, 2] Operation: 44/22=2 Moving to Node #0,3,0 Current State: 23:[21, 2], Operations: ['56-35=21', '44/22=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
0.953993
hs_4
mult_heuristic
[ 91, 67, 28, 39 ]
91
[ "91+67=158", "28+39=67", "158-67=91" ]
Current State: 91:[91, 67, 28, 39], Operations: [] Exploring Operation: 91+67=158, Resulting Numbers: [28, 39, 158] Generated Node #2: [28, 39, 158] from Operation: 91+67=158 Current State: 91:[28, 39, 158], Operations: ['91+67=158'] Exploring Operation: 28+39=67, Resulting Numbers: [158, 67] Generated Node #3: [158, 67] from Operation: 28+39=67 Current State: 91:[158, 67], Operations: ['91+67=158', '28+39=67'] Exploring Operation: 158-67=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[91, 67, 28, 39], Operations: [] Exploring Operation: 67-39=28, Resulting Numbers: [91, 28, 28] Generated Node #0,0: 91:[91, 28, 28] Operation: 67-39=28 Exploring Operation: 67+28=95, Resulting Numbers: [91, 39, 95] Generated Node #0,1: 91:[91, 39, 95] Operation: 67+28=95 Exploring Operation: 39-28=11, Resulting Numbers: [91, 67, 11] Generated Node #0,2: 91:[91, 67, 11] Operation: 39-28=11 Exploring Operation: 67+39=106, Resulting Numbers: [91, 28, 106] Generated Node #0,3: 91:[91, 28, 106] Operation: 67+39=106 Exploring Operation: 28+39=67, Resulting Numbers: [91, 67, 67] Generated Node #0,4: 91:[91, 67, 67] Operation: 28+39=67 Moving to Node #0,2 Current State: 91:[91, 67, 11], Operations: ['39-28=11'] Exploring Operation: 67+11=78, Resulting Numbers: [91, 78] Generated Node #0,2,0: 91:[91, 78] Operation: 67+11=78 Exploring Operation: 67-11=56, Resulting Numbers: [91, 56] Generated Node #0,2,1: 91:[91, 56] Operation: 67-11=56 Exploring Operation: 91+11=102, Resulting Numbers: [67, 102] Generated Node #0,2,2: 91:[67, 102] Operation: 91+11=102 Exploring Operation: 91-67=24, Resulting Numbers: [11, 24] Generated Node #0,2,3: 91:[11, 24] Operation: 91-67=24 Exploring Operation: 91-11=80, Resulting Numbers: [67, 80] Generated Node #0,2,4: 91:[67, 80] Operation: 91-11=80 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 91:[91, 78], Operations: ['39-28=11', '67+11=78'] Exploring Operation: 91-78=13, Resulting Numbers: [13] 13,91 unequal: No Solution Exploring Operation: 91*78=7098, Resulting Numbers: [7098] 7098,91 unequal: No Solution Exploring Operation: 91+78=169, Resulting Numbers: [169] 169,91 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 #0,2,3 Current State: 91:[11, 24], Operations: ['39-28=11', '91-67=24'] Exploring Operation: 11*24=264, Resulting Numbers: [264] 264,91 unequal: No Solution Exploring Operation: 11+24=35, Resulting Numbers: [35] 35,91 unequal: No Solution Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,91 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 #0,2,1 Current State: 91:[91, 56], Operations: ['39-28=11', '67-11=56'] Exploring Operation: 91+56=147, Resulting Numbers: [147] 147,91 unequal: No Solution Exploring Operation: 91*56=5096, Resulting Numbers: [5096] 5096,91 unequal: No Solution Exploring Operation: 91-56=35, Resulting Numbers: [35] 35,91 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 #0,2,2 Current State: 91:[67, 102], Operations: ['39-28=11', '91+11=102'] Exploring Operation: 67*102=6834, Resulting Numbers: [6834] 6834,91 unequal: No Solution Exploring Operation: 67+102=169, Resulting Numbers: [169] 169,91 unequal: No Solution Exploring Operation: 102-67=35, Resulting Numbers: [35] 35,91 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 #0,2,4 Current State: 91:[67, 80], Operations: ['39-28=11', '91-11=80'] Exploring Operation: 67+80=147, Resulting Numbers: [147] 147,91 unequal: No Solution Exploring Operation: 67*80=5360, Resulting Numbers: [5360] 5360,91 unequal: No Solution Exploring Operation: 80-67=13, Resulting Numbers: [13] 13,91 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: 91:[91, 39, 95], Operations: ['67+28=95'] Exploring Operation: 95-39=56, Resulting Numbers: [91, 56] Generated Node #0,1,0: 91:[91, 56] Operation: 95-39=56 Exploring Operation: 95-91=4, Resulting Numbers: [39, 4] Generated Node #0,1,1: 91:[39, 4] Operation: 95-91=4 Exploring Operation: 91+39=130, Resulting Numbers: [95, 130] Generated Node #0,1,2: 91:[95, 130] Operation: 91+39=130 Exploring Operation: 91-39=52, Resulting Numbers: [95, 52] Generated Node #0,1,3: 91:[95, 52] Operation: 91-39=52 Exploring Operation: 39+95=134, Resulting Numbers: [91, 134] Generated Node #0,1,4: 91:[91, 134] Operation: 39+95=134 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 91:[39, 4], Operations: ['67+28=95', '95-91=4'] Exploring Operation: 39+4=43, Resulting Numbers: [43] 43,91 unequal: No Solution Exploring Operation: 39*4=156, Resulting Numbers: [156] 156,91 unequal: No Solution Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,91 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 #0,1,0 Current State: 91:[91, 56], Operations: ['67+28=95', '95-39=56'] Exploring Operation: 91+56=147, Resulting Numbers: [147] 147,91 unequal: No Solution Exploring Operation: 91-56=35, Resulting Numbers: [35] 35,91 unequal: No Solution Exploring Operation: 91*56=5096, Resulting Numbers: [5096] 5096,91 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 #0,1,2 Current State: 91:[95, 130], Operations: ['67+28=95', '91+39=130'] Exploring Operation: 95*130=12350, Resulting Numbers: [12350] 12350,91 unequal: No Solution Exploring Operation: 95+130=225, Resulting Numbers: [225] 225,91 unequal: No Solution Exploring Operation: 130-95=35, Resulting Numbers: [35] 35,91 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 #0,1,3 Current State: 91:[95, 52], Operations: ['67+28=95', '91-39=52'] Exploring Operation: 95-52=43, Resulting Numbers: [43] 43,91 unequal: No Solution Exploring Operation: 95+52=147, Resulting Numbers: [147] 147,91 unequal: No Solution Exploring Operation: 95*52=4940, Resulting Numbers: [4940] 4940,91 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 #0,1,4 Current State: 91:[91, 134], Operations: ['67+28=95', '39+95=134'] Exploring Operation: 91*134=12194, Resulting Numbers: [12194] 12194,91 unequal: No Solution Exploring Operation: 91+134=225, Resulting Numbers: [225] 225,91 unequal: No Solution Exploring Operation: 134-91=43, Resulting Numbers: [43] 43,91 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: 91:[91, 28, 28], Operations: ['67-39=28'] Exploring Operation: 91-28=63, Resulting Numbers: [28, 63] Generated Node #0,0,0: 91:[28, 63] Operation: 91-28=63 Exploring Operation: 91+28=119, Resulting Numbers: [28, 119] Generated Node #0,0,1: 91:[28, 119] Operation: 91+28=119 Exploring Operation: 28+28=56, Resulting Numbers: [91, 56] Generated Node #0,0,2: 91:[91, 56] Operation: 28+28=56 Exploring Operation: 28-28=0, Resulting Numbers: [91, 0] Generated Node #0,0,3: 91:[91, 0] Operation: 28-28=0 Exploring Operation: 28/28=1, Resulting Numbers: [91, 1] Generated Node #0,0,4: 91:[91, 1] Operation: 28/28=1 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 91:[91, 1], Operations: ['67-39=28', '28/28=1'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,91 unequal: No Solution Exploring Operation: 91*1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[91, 67, 28, 39], Operations: [] Exploring Operation: 67-39=28, Resulting Numbers: [91, 28, 28] Generated Node #0,0: 91:[91, 28, 28] Operation: 67-39=28 Moving to Node #0,0 Current State: 91:[91, 28, 28], Operations: ['67-39=28'] Exploring Operation: 28/28=1, Resulting Numbers: [91, 1] Generated Node #0,0,4: 91:[91, 1] Operation: 28/28=1 Moving to Node #0,0,4 Current State: 91:[91, 1], Operations: ['67-39=28', '28/28=1'] Exploring Operation: 91*1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.951389
hs_5
sum_heuristic
[ 12, 95, 84, 38 ]
39
[ "95-12=83", "84+38=122", "122-83=39" ]
Current State: 39:[12, 95, 84, 38], Operations: [] Exploring Operation: 95-12=83, Resulting Numbers: [84, 38, 83] Generated Node #2: [84, 38, 83] from Operation: 95-12=83 Current State: 39:[84, 38, 83], Operations: ['95-12=83'] Exploring Operation: 84+38=122, Resulting Numbers: [83, 122] Generated Node #3: [83, 122] from Operation: 84+38=122 Current State: 39:[83, 122], Operations: ['95-12=83', '84+38=122'] Exploring Operation: 122-83=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[12, 95, 84, 38], Operations: [] Exploring Operation: 95-84=11, Resulting Numbers: [12, 38, 11] Generated Node #0,0: 39:[12, 38, 11] Operation: 95-84=11 Exploring Operation: 84/12=7, Resulting Numbers: [95, 38, 7] Generated Node #0,1: 39:[95, 38, 7] Operation: 84/12=7 Moving to Node #0,0 Current State: 39:[12, 38, 11], Operations: ['95-84=11'] Exploring Operation: 12+11=23, Resulting Numbers: [38, 23] Generated Node #0,0,0: 39:[38, 23] Operation: 12+11=23 Exploring Operation: 12-11=1, Resulting Numbers: [38, 1] Generated Node #0,0,1: 39:[38, 1] Operation: 12-11=1 Moving to Node #0,1 Current State: 39:[95, 38, 7], Operations: ['84/12=7'] Exploring Operation: 95-7=88, Resulting Numbers: [38, 88] Generated Node #0,1,0: 39:[38, 88] Operation: 95-7=88 Exploring Operation: 95-38=57, Resulting Numbers: [7, 57] Generated Node #0,1,1: 39:[7, 57] Operation: 95-38=57 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[7, 57], Operations: ['84/12=7', '95-38=57'] Exploring Operation: 7+57=64, Resulting Numbers: [64] 64,39 unequal: No Solution Exploring Operation: 57-7=50, Resulting Numbers: [50] 50,39 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:[38, 88], Operations: ['84/12=7', '95-7=88'] Exploring Operation: 38+88=126, Resulting Numbers: [126] 126,39 unequal: No Solution Exploring Operation: 88-38=50, Resulting Numbers: [50] 50,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 39:[38, 1], Operations: ['95-84=11', '12-11=1'] Exploring Operation: 38+1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[12, 95, 84, 38], Operations: [] Exploring Operation: 95-84=11, Resulting Numbers: [12, 38, 11] Generated Node #0,0: 39:[12, 38, 11] Operation: 95-84=11 Moving to Node #0,0 Current State: 39:[12, 38, 11], Operations: ['95-84=11'] Exploring Operation: 12-11=1, Resulting Numbers: [38, 1] Generated Node #0,0,1: 39:[38, 1] Operation: 12-11=1 Moving to Node #0,0,1 Current State: 39:[38, 1], Operations: ['95-84=11', '12-11=1'] Exploring Operation: 38+1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 5, 20, 52, 3 ]
51
[ "5*20=100", "52-3=49", "100-49=51" ]
Current State: 51:[5, 20, 52, 3], Operations: [] Exploring Operation: 5*20=100, Resulting Numbers: [52, 3, 100] Generated Node #2: [52, 3, 100] from Operation: 5*20=100 Current State: 51:[52, 3, 100], Operations: ['5*20=100'] Exploring Operation: 52-3=49, Resulting Numbers: [100, 49] Generated Node #3: [100, 49] from Operation: 52-3=49 Current State: 51:[100, 49], Operations: ['5*20=100', '52-3=49'] Exploring Operation: 100-49=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[5, 20, 52, 3], Operations: [] Exploring Operation: 5-3=2, Resulting Numbers: [20, 52, 2] Generated Node #0,0: 51:[20, 52, 2] Operation: 5-3=2 Exploring Operation: 20/5=4, Resulting Numbers: [52, 3, 4] Generated Node #0,1: 51:[52, 3, 4] Operation: 20/5=4 Exploring Operation: 20-5=15, Resulting Numbers: [52, 3, 15] Generated Node #0,2: 51:[52, 3, 15] Operation: 20-5=15 Exploring Operation: 5*3=15, Resulting Numbers: [20, 52, 15] Generated Node #0,3: 51:[20, 52, 15] Operation: 5*3=15 Exploring Operation: 20-3=17, Resulting Numbers: [5, 52, 17] Generated Node #0,4: 51:[5, 52, 17] Operation: 20-3=17 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[52, 3, 4], Operations: ['20/5=4'] Exploring Operation: 4-3=1, Resulting Numbers: [52, 1] Generated Node #0,1,0: 51:[52, 1] Operation: 4-3=1 Exploring Operation: 52-3=49, Resulting Numbers: [4, 49] Generated Node #0,1,1: 51:[4, 49] Operation: 52-3=49 Exploring Operation: 52/4=13, Resulting Numbers: [3, 13] Generated Node #0,1,2: 51:[3, 13] Operation: 52/4=13 Exploring Operation: 52+3=55, Resulting Numbers: [4, 55] Generated Node #0,1,3: 51:[4, 55] Operation: 52+3=55 Exploring Operation: 52-4=48, Resulting Numbers: [3, 48] Generated Node #0,1,4: 51:[3, 48] Operation: 52-4=48 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 51:[52, 1], Operations: ['20/5=4', '4-3=1'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[5, 20, 52, 3], Operations: [] Exploring Operation: 20/5=4, Resulting Numbers: [52, 3, 4] Generated Node #0,1: 51:[52, 3, 4] Operation: 20/5=4 Moving to Node #0,1 Current State: 51:[52, 3, 4], Operations: ['20/5=4'] Exploring Operation: 4-3=1, Resulting Numbers: [52, 1] Generated Node #0,1,0: 51:[52, 1] Operation: 4-3=1 Moving to Node #0,1,0 Current State: 51:[52, 1], Operations: ['20/5=4', '4-3=1'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 21, 18, 52, 60 ]
24
[ "21-18=3", "60-52=8", "3*8=24" ]
Current State: 24:[21, 18, 52, 60], Operations: [] Exploring Operation: 21-18=3, Resulting Numbers: [52, 60, 3] Generated Node #2: [52, 60, 3] from Operation: 21-18=3 Current State: 24:[52, 60, 3], Operations: ['21-18=3'] Exploring Operation: 60-52=8, Resulting Numbers: [3, 8] Generated Node #3: [3, 8] from Operation: 60-52=8 Current State: 24:[3, 8], Operations: ['21-18=3', '60-52=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[21, 18, 52, 60], Operations: [] Exploring Operation: 52-21=31, Resulting Numbers: [18, 60, 31] Generated Node #0,0: 24:[18, 60, 31] Operation: 52-21=31 Exploring Operation: 60-52=8, Resulting Numbers: [21, 18, 8] Generated Node #0,1: 24:[21, 18, 8] Operation: 60-52=8 Moving to Node #0,1 Current State: 24:[21, 18, 8], Operations: ['60-52=8'] Exploring Operation: 21-18=3, Resulting Numbers: [8, 3] Generated Node #0,1,0: 24:[8, 3] Operation: 21-18=3 Exploring Operation: 18+8=26, Resulting Numbers: [21, 26] Generated Node #0,1,1: 24:[21, 26] Operation: 18+8=26 Moving to Node #0,0 Current State: 24:[18, 60, 31], Operations: ['52-21=31'] Exploring Operation: 60-18=42, Resulting Numbers: [31, 42] Generated Node #0,0,0: 24:[31, 42] Operation: 60-18=42 Exploring Operation: 60-31=29, Resulting Numbers: [18, 29] Generated Node #0,0,1: 24:[18, 29] Operation: 60-31=29 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[18, 29], Operations: ['52-21=31', '60-31=29'] Exploring Operation: 18+29=47, Resulting Numbers: [47] 47,24 unequal: No Solution Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,24 unequal: No Solution No 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: 24:[31, 42], Operations: ['52-21=31', '60-18=42'] Exploring Operation: 31+42=73, Resulting Numbers: [73] 73,24 unequal: No Solution Exploring Operation: 42-31=11, Resulting Numbers: [11] 11,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 24:[8, 3], Operations: ['60-52=8', '21-18=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,24 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[21, 18, 52, 60], Operations: [] Exploring Operation: 60-52=8, Resulting Numbers: [21, 18, 8] Generated Node #0,1: 24:[21, 18, 8] Operation: 60-52=8 Moving to Node #0,1 Current State: 24:[21, 18, 8], Operations: ['60-52=8'] Exploring Operation: 21-18=3, Resulting Numbers: [8, 3] Generated Node #0,1,0: 24:[8, 3] Operation: 21-18=3 Moving to Node #0,1,0 Current State: 24:[8, 3], Operations: ['60-52=8', '21-18=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 31, 88, 76, 1 ]
20
[ "88-31=57", "76+1=77", "77-57=20" ]
Current State: 20:[31, 88, 76, 1], Operations: [] Exploring Operation: 88-31=57, Resulting Numbers: [76, 1, 57] Generated Node #2: [76, 1, 57] from Operation: 88-31=57 Current State: 20:[76, 1, 57], Operations: ['88-31=57'] Exploring Operation: 76+1=77, Resulting Numbers: [57, 77] Generated Node #3: [57, 77] from Operation: 76+1=77 Current State: 20:[57, 77], Operations: ['88-31=57', '76+1=77'] Exploring Operation: 77-57=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[31, 88, 76, 1], Operations: [] Exploring Operation: 88-76=12, Resulting Numbers: [31, 1, 12] Generated Node #0,0: 20:[31, 1, 12] Operation: 88-76=12 Exploring Operation: 88-31=57, Resulting Numbers: [76, 1, 57] Generated Node #0,1: 20:[76, 1, 57] Operation: 88-31=57 Exploring Operation: 76-31=45, Resulting Numbers: [88, 1, 45] Generated Node #0,2: 20:[88, 1, 45] Operation: 76-31=45 Moving to Node #0,0 Current State: 20:[31, 1, 12], Operations: ['88-76=12'] Exploring Operation: 31-12=19, Resulting Numbers: [1, 19] Generated Node #0,0,0: 20:[1, 19] Operation: 31-12=19 Exploring Operation: 12-1=11, Resulting Numbers: [31, 11] Generated Node #0,0,1: 20:[31, 11] Operation: 12-1=11 Exploring Operation: 31-1=30, Resulting Numbers: [12, 30] Generated Node #0,0,2: 20:[12, 30] Operation: 31-1=30 Moving to Node #0,1 Current State: 20:[76, 1, 57], Operations: ['88-31=57'] Exploring Operation: 57-1=56, Resulting Numbers: [76, 56] Generated Node #0,1,0: 20:[76, 56] Operation: 57-1=56 Exploring Operation: 76-57=19, Resulting Numbers: [1, 19] Generated Node #0,1,1: 20:[1, 19] Operation: 76-57=19 Exploring Operation: 76-1=75, Resulting Numbers: [57, 75] Generated Node #0,1,2: 20:[57, 75] Operation: 76-1=75 Moving to Node #0,2 Current State: 20:[88, 1, 45], Operations: ['76-31=45'] Exploring Operation: 88-1=87, Resulting Numbers: [45, 87] Generated Node #0,2,0: 20:[45, 87] Operation: 88-1=87 Exploring Operation: 45-1=44, Resulting Numbers: [88, 44] Generated Node #0,2,1: 20:[88, 44] Operation: 45-1=44 Exploring Operation: 88-45=43, Resulting Numbers: [1, 43] Generated Node #0,2,2: 20:[1, 43] Operation: 88-45=43 Moving to Node #0,0,0 Current State: 20:[1, 19], Operations: ['88-76=12', '31-12=19'] Exploring Operation: 1*19=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 1+19=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[31, 88, 76, 1], Operations: [] Exploring Operation: 88-76=12, Resulting Numbers: [31, 1, 12] Generated Node #0,0: 20:[31, 1, 12] Operation: 88-76=12 Moving to Node #0,0 Current State: 20:[31, 1, 12], Operations: ['88-76=12'] Exploring Operation: 31-12=19, Resulting Numbers: [1, 19] Generated Node #0,0,0: 20:[1, 19] Operation: 31-12=19 Moving to Node #0,0,0 Current State: 20:[1, 19], Operations: ['88-76=12', '31-12=19'] Exploring Operation: 1+19=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
0.984375
hs_3
mult_heuristic
[ 26, 75, 90, 60 ]
98
[ "90*60=5400", "5400/75=72", "26+72=98" ]
Current State: 98:[26, 75, 90, 60], Operations: [] Exploring Operation: 90*60=5400, Resulting Numbers: [26, 75, 5400] Generated Node #2: [26, 75, 5400] from Operation: 90*60=5400 Current State: 98:[26, 75, 5400], Operations: ['90*60=5400'] Exploring Operation: 5400/75=72, Resulting Numbers: [26, 72] Generated Node #3: [26, 72] from Operation: 5400/75=72 Current State: 98:[26, 72], Operations: ['90*60=5400', '5400/75=72'] Exploring Operation: 26+72=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[26, 75, 90, 60], Operations: [] Exploring Operation: 75-26=49, Resulting Numbers: [90, 60, 49] Generated Node #0,0: 98:[90, 60, 49] Operation: 75-26=49 Moving to Node #0,0 Current State: 98:[90, 60, 49], Operations: ['75-26=49'] Exploring Operation: 60-49=11, Resulting Numbers: [90, 11] Generated Node #0,0,0: 98:[90, 11] Operation: 60-49=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[90, 11], Operations: ['75-26=49', '60-49=11'] Exploring Operation: 90+11=101, Resulting Numbers: [101] 101,98 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
[ 26, 45, 38, 80 ]
47
[ "26+45=71", "38+80=118", "118-71=47" ]
Current State: 47:[26, 45, 38, 80], Operations: [] Exploring Operation: 26+45=71, Resulting Numbers: [38, 80, 71] Generated Node #2: [38, 80, 71] from Operation: 26+45=71 Current State: 47:[38, 80, 71], Operations: ['26+45=71'] Exploring Operation: 38+80=118, Resulting Numbers: [71, 118] Generated Node #3: [71, 118] from Operation: 38+80=118 Current State: 47:[71, 118], Operations: ['26+45=71', '38+80=118'] Exploring Operation: 118-71=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[26, 45, 38, 80], Operations: [] Exploring Operation: 80-38=42, Resulting Numbers: [26, 45, 42] Generated Node #0,0: 47:[26, 45, 42] Operation: 80-38=42 Exploring Operation: 80-45=35, Resulting Numbers: [26, 38, 35] Generated Node #0,1: 47:[26, 38, 35] Operation: 80-45=35 Exploring Operation: 80-26=54, Resulting Numbers: [45, 38, 54] Generated Node #0,2: 47:[45, 38, 54] Operation: 80-26=54 Start Sub Search at level 1: Moving to Node #0,2 Current State: 47:[45, 38, 54], Operations: ['80-26=54'] Exploring Operation: 54-38=16, Resulting Numbers: [45, 16] Generated Node #0,2,0: 47:[45, 16] Operation: 54-38=16 Exploring Operation: 45+38=83, Resulting Numbers: [54, 83] Generated Node #0,2,1: 47:[54, 83] Operation: 45+38=83 Exploring Operation: 45-38=7, Resulting Numbers: [54, 7] Generated Node #0,2,2: 47:[54, 7] Operation: 45-38=7 Moving to Node #0,2,0 Current State: 47:[45, 16], Operations: ['80-26=54', '54-38=16'] Exploring Operation: 45-16=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 45*16=720, Resulting Numbers: [720] 720,47 unequal: No Solution Exploring Operation: 45+16=61, Resulting Numbers: [61] 61,47 unequal: No Solution Moving to Node #0,2,1 Current State: 47:[54, 83], Operations: ['80-26=54', '45+38=83'] Exploring Operation: 54+83=137, Resulting Numbers: [137] 137,47 unequal: No Solution Exploring Operation: 83-54=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 54*83=4482, Resulting Numbers: [4482] 4482,47 unequal: No Solution Moving to Node #0,2,2 Current State: 47:[54, 7], Operations: ['80-26=54', '45-38=7'] Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[26, 45, 38, 80], Operations: [] Exploring Operation: 80-26=54, Resulting Numbers: [45, 38, 54] Generated Node #0,2: 47:[45, 38, 54] Operation: 80-26=54 Moving to Node #0,2 Current State: 47:[45, 38, 54], Operations: ['80-26=54'] Exploring Operation: 45-38=7, Resulting Numbers: [54, 7] Generated Node #0,2,2: 47:[54, 7] Operation: 45-38=7 Moving to Node #0,2,2 Current State: 47:[54, 7], Operations: ['80-26=54', '45-38=7'] Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 48, 3, 68, 59 ]
45
[ "68-59=9", "9/3=3", "48-3=45" ]
Current State: 45:[48, 3, 68, 59], Operations: [] Exploring Operation: 68-59=9, Resulting Numbers: [48, 3, 9] Generated Node #2: [48, 3, 9] from Operation: 68-59=9 Current State: 45:[48, 3, 9], Operations: ['68-59=9'] Exploring Operation: 9/3=3, Resulting Numbers: [48, 3] Generated Node #3: [48, 3] from Operation: 9/3=3 Current State: 45:[48, 3], Operations: ['68-59=9', '9/3=3'] Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[48, 3, 68, 59], Operations: [] Exploring Operation: 68-3=65, Resulting Numbers: [48, 59, 65] Generated Node #0,0: 45:[48, 59, 65] Operation: 68-3=65 Exploring Operation: 59-48=11, Resulting Numbers: [3, 68, 11] Generated Node #0,1: 45:[3, 68, 11] Operation: 59-48=11 Exploring Operation: 68-59=9, Resulting Numbers: [48, 3, 9] Generated Node #0,2: 45:[48, 3, 9] Operation: 68-59=9 Exploring Operation: 68-48=20, Resulting Numbers: [3, 59, 20] Generated Node #0,3: 45:[3, 59, 20] Operation: 68-48=20 Exploring Operation: 48-3=45, Resulting Numbers: [68, 59, 45] Generated Node #0,4: 45:[68, 59, 45] Operation: 48-3=45 Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[48, 3, 9], Operations: ['68-59=9'] Exploring Operation: 9-3=6, Resulting Numbers: [48, 6] Generated Node #0,2,0: 45:[48, 6] Operation: 9-3=6 Exploring Operation: 9/3=3, Resulting Numbers: [48, 3] Generated Node #0,2,1: 45:[48, 3] Operation: 9/3=3 Exploring Operation: 48/3=16, Resulting Numbers: [9, 16] Generated Node #0,2,2: 45:[9, 16] Operation: 48/3=16 Exploring Operation: 48+3=51, Resulting Numbers: [9, 51] Generated Node #0,2,3: 45:[9, 51] Operation: 48+3=51 Exploring Operation: 48-3=45, Resulting Numbers: [9, 45] Generated Node #0,2,4: 45:[9, 45] Operation: 48-3=45 Moving to Node #0,2,4 Current State: 45:[9, 45], Operations: ['68-59=9', '48-3=45'] Exploring Operation: 45-9=36, Resulting Numbers: [36] 36,45 unequal: No Solution Exploring Operation: 9+45=54, Resulting Numbers: [54] 54,45 unequal: No Solution Exploring Operation: 9*45=405, Resulting Numbers: [405] 405,45 unequal: No Solution Exploring Operation: 45/9=5, Resulting Numbers: [5] 5,45 unequal: No Solution Moving to Node #0,2,2 Current State: 45:[9, 16], Operations: ['68-59=9', '48/3=16'] Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,45 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,45 unequal: No Solution Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,45 unequal: No Solution Moving to Node #0,2,1 Current State: 45:[48, 3], Operations: ['68-59=9', '9/3=3'] Exploring Operation: 48*3=144, Resulting Numbers: [144] 144,45 unequal: No Solution Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,45 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[48, 3, 68, 59], Operations: [] Exploring Operation: 68-59=9, Resulting Numbers: [48, 3, 9] Generated Node #0,2: 45:[48, 3, 9] Operation: 68-59=9 Moving to Node #0,2 Current State: 45:[48, 3, 9], Operations: ['68-59=9'] Exploring Operation: 9/3=3, Resulting Numbers: [48, 3] Generated Node #0,2,1: 45:[48, 3] Operation: 9/3=3 Moving to Node #0,2,1 Current State: 45:[48, 3], Operations: ['68-59=9', '9/3=3'] Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_5
mult_heuristic
[ 61, 26, 96, 33 ]
24
[ "61+26=87", "96-33=63", "87-63=24" ]
Current State: 24:[61, 26, 96, 33], Operations: [] Exploring Operation: 61+26=87, Resulting Numbers: [96, 33, 87] Generated Node #2: [96, 33, 87] from Operation: 61+26=87 Current State: 24:[96, 33, 87], Operations: ['61+26=87'] Exploring Operation: 96-33=63, Resulting Numbers: [87, 63] Generated Node #3: [87, 63] from Operation: 96-33=63 Current State: 24:[87, 63], Operations: ['61+26=87', '96-33=63'] Exploring Operation: 87-63=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[61, 26, 96, 33], Operations: [] Exploring Operation: 96-33=63, Resulting Numbers: [61, 26, 63] Generated Node #0,0: 24:[61, 26, 63] Operation: 96-33=63 Exploring Operation: 96-61=35, Resulting Numbers: [26, 33, 35] Generated Node #0,1: 24:[26, 33, 35] Operation: 96-61=35 Exploring Operation: 61-33=28, Resulting Numbers: [26, 96, 28] Generated Node #0,2: 24:[26, 96, 28] Operation: 61-33=28 Moving to Node #0,1 Current State: 24:[26, 33, 35], Operations: ['96-61=35'] Exploring Operation: 33-26=7, Resulting Numbers: [35, 7] Generated Node #0,1,0: 24:[35, 7] Operation: 33-26=7 Exploring Operation: 35-33=2, Resulting Numbers: [26, 2] Generated Node #0,1,1: 24:[26, 2] Operation: 35-33=2 Exploring Operation: 35-26=9, Resulting Numbers: [33, 9] Generated Node #0,1,2: 24:[33, 9] Operation: 35-26=9 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 24:[26, 2], Operations: ['96-61=35', '35-33=2'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[61, 26, 96, 33], Operations: [] Exploring Operation: 96-61=35, Resulting Numbers: [26, 33, 35] Generated Node #0,1: 24:[26, 33, 35] Operation: 96-61=35 Moving to Node #0,1 Current State: 24:[26, 33, 35], Operations: ['96-61=35'] Exploring Operation: 35-33=2, Resulting Numbers: [26, 2] Generated Node #0,1,1: 24:[26, 2] Operation: 35-33=2 Moving to Node #0,1,1 Current State: 24:[26, 2], Operations: ['96-61=35', '35-33=2'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 6, 37, 51, 43 ]
52
[ "6+37=43", "43/43=1", "51+1=52" ]
Current State: 52:[6, 37, 51, 43], Operations: [] Exploring Operation: 6+37=43, Resulting Numbers: [51, 43, 43] Generated Node #2: [51, 43, 43] from Operation: 6+37=43 Current State: 52:[51, 43, 43], Operations: ['6+37=43'] Exploring Operation: 43/43=1, Resulting Numbers: [51, 1] Generated Node #3: [51, 1] from Operation: 43/43=1 Current State: 52:[51, 1], Operations: ['6+37=43', '43/43=1'] Exploring Operation: 51+1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[6, 37, 51, 43], Operations: [] Exploring Operation: 51-37=14, Resulting Numbers: [6, 43, 14] Generated Node #0,0: 52:[6, 43, 14] Operation: 51-37=14 Exploring Operation: 43-37=6, Resulting Numbers: [6, 51, 6] Generated Node #0,1: 52:[6, 51, 6] Operation: 43-37=6 Moving to Node #0,1 Current State: 52:[6, 51, 6], Operations: ['43-37=6'] Exploring Operation: 6/6=1, Resulting Numbers: [51, 1] Generated Node #0,1,0: 52:[51, 1] Operation: 6/6=1 Exploring Operation: 6+6=12, Resulting Numbers: [51, 12] Generated Node #0,1,1: 52:[51, 12] Operation: 6+6=12 Moving to Node #0,0 Current State: 52:[6, 43, 14], Operations: ['51-37=14'] Exploring Operation: 6+43=49, Resulting Numbers: [14, 49] Generated Node #0,0,0: 52:[14, 49] Operation: 6+43=49 Exploring Operation: 43-14=29, Resulting Numbers: [6, 29] Generated Node #0,0,1: 52:[6, 29] Operation: 43-14=29 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[14, 49], Operations: ['51-37=14', '6+43=49'] Exploring Operation: 14+49=63, Resulting Numbers: [63] 63,52 unequal: No Solution Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[6, 29], Operations: ['51-37=14', '43-14=29'] Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,52 unequal: No Solution Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 52:[51, 1], Operations: ['43-37=6', '6/6=1'] Exploring Operation: 51*1=51, Resulting Numbers: [51] 51,52 unequal: No Solution Exploring Operation: 51+1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[6, 37, 51, 43], Operations: [] Exploring Operation: 43-37=6, Resulting Numbers: [6, 51, 6] Generated Node #0,1: 52:[6, 51, 6] Operation: 43-37=6 Moving to Node #0,1 Current State: 52:[6, 51, 6], Operations: ['43-37=6'] Exploring Operation: 6/6=1, Resulting Numbers: [51, 1] Generated Node #0,1,0: 52:[51, 1] Operation: 6/6=1 Moving to Node #0,1,0 Current State: 52:[51, 1], Operations: ['43-37=6', '6/6=1'] Exploring Operation: 51+1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 68, 71, 19, 51 ]
69
[ "68+71=139", "19+51=70", "139-70=69" ]
Current State: 69:[68, 71, 19, 51], Operations: [] Exploring Operation: 68+71=139, Resulting Numbers: [19, 51, 139] Generated Node #2: [19, 51, 139] from Operation: 68+71=139 Current State: 69:[19, 51, 139], Operations: ['68+71=139'] Exploring Operation: 19+51=70, Resulting Numbers: [139, 70] Generated Node #3: [139, 70] from Operation: 19+51=70 Current State: 69:[139, 70], Operations: ['68+71=139', '19+51=70'] Exploring Operation: 139-70=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[68, 71, 19, 51], Operations: [] Exploring Operation: 68-51=17, Resulting Numbers: [71, 19, 17] Generated Node #0,0: 69:[71, 19, 17] Operation: 68-51=17 Exploring Operation: 19+51=70, Resulting Numbers: [68, 71, 70] Generated Node #0,1: 69:[68, 71, 70] Operation: 19+51=70 Exploring Operation: 71-51=20, Resulting Numbers: [68, 19, 20] Generated Node #0,2: 69:[68, 19, 20] Operation: 71-51=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[68, 71, 70], Operations: ['19+51=70'] Exploring Operation: 71-70=1, Resulting Numbers: [68, 1] Generated Node #0,1,0: 69:[68, 1] Operation: 71-70=1 Exploring Operation: 70-68=2, Resulting Numbers: [71, 2] Generated Node #0,1,1: 69:[71, 2] Operation: 70-68=2 Exploring Operation: 71-68=3, Resulting Numbers: [70, 3] Generated Node #0,1,2: 69:[70, 3] Operation: 71-68=3 Moving to Node #0,1,2 Current State: 69:[70, 3], Operations: ['19+51=70', '71-68=3'] Exploring Operation: 70-3=67, Resulting Numbers: [67] 67,69 unequal: No Solution Exploring Operation: 70+3=73, Resulting Numbers: [73] 73,69 unequal: No Solution Exploring Operation: 70*3=210, Resulting Numbers: [210] 210,69 unequal: No Solution Moving to Node #0,1,0 Current State: 69:[68, 1], Operations: ['19+51=70', '71-70=1'] Exploring Operation: 68/1=68, Resulting Numbers: [68] 68,69 unequal: No Solution Exploring Operation: 68*1=68, Resulting Numbers: [68] 68,69 unequal: No Solution Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[68, 71, 19, 51], Operations: [] Exploring Operation: 19+51=70, Resulting Numbers: [68, 71, 70] Generated Node #0,1: 69:[68, 71, 70] Operation: 19+51=70 Moving to Node #0,1 Current State: 69:[68, 71, 70], Operations: ['19+51=70'] Exploring Operation: 71-70=1, Resulting Numbers: [68, 1] Generated Node #0,1,0: 69:[68, 1] Operation: 71-70=1 Moving to Node #0,1,0 Current State: 69:[68, 1], Operations: ['19+51=70', '71-70=1'] Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 7, 64, 35, 49 ]
92
[ "49/7=7", "64+35=99", "99-7=92" ]
Current State: 92:[7, 64, 35, 49], Operations: [] Exploring Operation: 49/7=7, Resulting Numbers: [64, 35, 7] Generated Node #2: [64, 35, 7] from Operation: 49/7=7 Current State: 92:[64, 35, 7], Operations: ['49/7=7'] Exploring Operation: 64+35=99, Resulting Numbers: [7, 99] Generated Node #3: [7, 99] from Operation: 64+35=99 Current State: 92:[7, 99], Operations: ['49/7=7', '64+35=99'] Exploring Operation: 99-7=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[7, 64, 35, 49], Operations: [] Exploring Operation: 64-35=29, Resulting Numbers: [7, 49, 29] Generated Node #0,0: 92:[7, 49, 29] Operation: 64-35=29 Exploring Operation: 64+35=99, Resulting Numbers: [7, 49, 99] Generated Node #0,1: 92:[7, 49, 99] Operation: 64+35=99 Exploring Operation: 64-49=15, Resulting Numbers: [7, 35, 15] Generated Node #0,2: 92:[7, 35, 15] Operation: 64-49=15 Exploring Operation: 35/7=5, Resulting Numbers: [64, 49, 5] Generated Node #0,3: 92:[64, 49, 5] Operation: 35/7=5 Moving to Node #0,0 Current State: 92:[7, 49, 29], Operations: ['64-35=29'] Exploring Operation: 49-7=42, Resulting Numbers: [29, 42] Generated Node #0,0,0: 92:[29, 42] Operation: 49-7=42 Exploring Operation: 49-29=20, Resulting Numbers: [7, 20] Generated Node #0,0,1: 92:[7, 20] Operation: 49-29=20 Exploring Operation: 49/7=7, Resulting Numbers: [29, 7] Generated Node #0,0,2: 92:[29, 7] Operation: 49/7=7 Exploring Operation: 29-7=22, Resulting Numbers: [49, 22] Generated Node #0,0,3: 92:[49, 22] Operation: 29-7=22 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 92:[49, 22], Operations: ['64-35=29', '29-7=22'] Exploring Operation: 49*22=1078, Resulting Numbers: [1078] 1078,92 unequal: No Solution Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,92 unequal: No Solution Exploring Operation: 49+22=71, Resulting Numbers: [71] 71,92 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 #0,0,1 Current State: 92:[7, 20], Operations: ['64-35=29', '49-29=20'] Exploring Operation: 7*20=140, Resulting Numbers: [140] 140,92 unequal: No Solution Exploring Operation: 7+20=27, Resulting Numbers: [27] 27,92 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,92 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 #0,0,2 Current State: 92:[29, 7], Operations: ['64-35=29', '49/7=7'] Exploring Operation: 29*7=203, Resulting Numbers: [203] 203,92 unequal: No Solution Exploring Operation: 29+7=36, Resulting Numbers: [36] 36,92 unequal: No Solution Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,92 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 #0,0,0 Current State: 92:[29, 42], Operations: ['64-35=29', '49-7=42'] Exploring Operation: 42-29=13, Resulting Numbers: [13] 13,92 unequal: No Solution Exploring Operation: 29+42=71, Resulting Numbers: [71] 71,92 unequal: No Solution Exploring Operation: 29*42=1218, Resulting Numbers: [1218] 1218,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 92:[7, 49, 99], Operations: ['64+35=99'] Exploring Operation: 99-7=92, Resulting Numbers: [49, 92] Generated Node #0,1,0: 92:[49, 92] Operation: 99-7=92 Exploring Operation: 99-49=50, Resulting Numbers: [7, 50] Generated Node #0,1,1: 92:[7, 50] Operation: 99-49=50 Exploring Operation: 49-7=42, Resulting Numbers: [99, 42] Generated Node #0,1,2: 92:[99, 42] Operation: 49-7=42 Exploring Operation: 49/7=7, Resulting Numbers: [99, 7] Generated Node #0,1,3: 92:[99, 7] Operation: 49/7=7 Moving to Node #0,3 Current State: 92:[64, 49, 5], Operations: ['35/7=5'] Exploring Operation: 64+49=113, Resulting Numbers: [5, 113] Generated Node #0,3,0: 92:[5, 113] Operation: 64+49=113 Exploring Operation: 64-49=15, Resulting Numbers: [5, 15] Generated Node #0,3,1: 92:[5, 15] Operation: 64-49=15 Exploring Operation: 64-5=59, Resulting Numbers: [49, 59] Generated Node #0,3,2: 92:[49, 59] Operation: 64-5=59 Exploring Operation: 49-5=44, Resulting Numbers: [64, 44] Generated Node #0,3,3: 92:[64, 44] Operation: 49-5=44 Moving to Node #0,2 Current State: 92:[7, 35, 15], Operations: ['64-49=15'] Exploring Operation: 35-15=20, Resulting Numbers: [7, 20] Generated Node #0,2,0: 92:[7, 20] Operation: 35-15=20 Exploring Operation: 35/7=5, Resulting Numbers: [15, 5] Generated Node #0,2,1: 92:[15, 5] Operation: 35/7=5 Exploring Operation: 35+15=50, Resulting Numbers: [7, 50] Generated Node #0,2,2: 92:[7, 50] Operation: 35+15=50 Exploring Operation: 7+35=42, Resulting Numbers: [15, 42] Generated Node #0,2,3: 92:[15, 42] Operation: 7+35=42 Moving to Node #0,1,0 Current State: 92:[49, 92], Operations: ['64+35=99', '99-7=92'] Exploring Operation: 49*92=4508, Resulting Numbers: [4508] 4508,92 unequal: No Solution Exploring Operation: 49+92=141, Resulting Numbers: [141] 141,92 unequal: No Solution Exploring Operation: 92-49=43, Resulting Numbers: [43] 43,92 unequal: No Solution Moving to Node #0,2,0 Current State: 92:[7, 20], Operations: ['64-49=15', '35-15=20'] Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,92 unequal: No Solution Exploring Operation: 7+20=27, Resulting Numbers: [27] 27,92 unequal: No Solution Exploring Operation: 7*20=140, Resulting Numbers: [140] 140,92 unequal: No Solution Moving to Node #0,2,2 Current State: 92:[7, 50], Operations: ['64-49=15', '35+15=50'] Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 7*50=350, Resulting Numbers: [350] 350,92 unequal: No Solution Exploring Operation: 7+50=57, Resulting Numbers: [57] 57,92 unequal: No Solution Moving to Node #0,1,1 Current State: 92:[7, 50], Operations: ['64+35=99', '99-49=50'] Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 7+50=57, Resulting Numbers: [57] 57,92 unequal: No Solution Exploring Operation: 7*50=350, Resulting Numbers: [350] 350,92 unequal: No Solution Moving to Node #0,2,1 Current State: 92:[15, 5], Operations: ['64-49=15', '35/7=5'] Exploring Operation: 15+5=20, Resulting Numbers: [20] 20,92 unequal: No Solution Exploring Operation: 15*5=75, Resulting Numbers: [75] 75,92 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,92 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,92 unequal: No Solution Moving to Node #0,3,1 Current State: 92:[5, 15], Operations: ['35/7=5', '64-49=15'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,92 unequal: No Solution Exploring Operation: 5+15=20, Resulting Numbers: [20] 20,92 unequal: No Solution Exploring Operation: 5*15=75, Resulting Numbers: [75] 75,92 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,92 unequal: No Solution Moving to Node #0,1,3 Current State: 92:[99, 7], Operations: ['64+35=99', '49/7=7'] Exploring Operation: 99-7=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[7, 64, 35, 49], Operations: [] Exploring Operation: 64+35=99, Resulting Numbers: [7, 49, 99] Generated Node #0,1: 92:[7, 49, 99] Operation: 64+35=99 Moving to Node #0,1 Current State: 92:[7, 49, 99], Operations: ['64+35=99'] Exploring Operation: 49/7=7, Resulting Numbers: [99, 7] Generated Node #0,1,3: 92:[99, 7] Operation: 49/7=7 Moving to Node #0,1,3 Current State: 92:[99, 7], Operations: ['64+35=99', '49/7=7'] Exploring Operation: 99-7=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
0.950521
hs_4
mult_heuristic
[ 17, 36, 2, 29 ]
48
[ "17+36=53", "53-29=24", "2*24=48" ]
Current State: 48:[17, 36, 2, 29], Operations: [] Exploring Operation: 17+36=53, Resulting Numbers: [2, 29, 53] Generated Node #2: [2, 29, 53] from Operation: 17+36=53 Current State: 48:[2, 29, 53], Operations: ['17+36=53'] Exploring Operation: 53-29=24, Resulting Numbers: [2, 24] Generated Node #3: [2, 24] from Operation: 53-29=24 Current State: 48:[2, 24], Operations: ['17+36=53', '53-29=24'] Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[17, 36, 2, 29], Operations: [] Exploring Operation: 36-29=7, Resulting Numbers: [17, 2, 7] Generated Node #0,0: 48:[17, 2, 7] Operation: 36-29=7 Exploring Operation: 36/2=18, Resulting Numbers: [17, 29, 18] Generated Node #0,1: 48:[17, 29, 18] Operation: 36/2=18 Exploring Operation: 36-17=19, Resulting Numbers: [2, 29, 19] Generated Node #0,2: 48:[2, 29, 19] Operation: 36-17=19 Exploring Operation: 29-17=12, Resulting Numbers: [36, 2, 12] Generated Node #0,3: 48:[36, 2, 12] Operation: 29-17=12 Exploring Operation: 17+36=53, Resulting Numbers: [2, 29, 53] Generated Node #0,4: 48:[2, 29, 53] Operation: 17+36=53 Moving to Node #0,0 Current State: 48:[17, 2, 7], Operations: ['36-29=7'] Exploring Operation: 17+7=24, Resulting Numbers: [2, 24] Generated Node #0,0,0: 48:[2, 24] Operation: 17+7=24 Exploring Operation: 17-2=15, Resulting Numbers: [7, 15] Generated Node #0,0,1: 48:[7, 15] Operation: 17-2=15 Exploring Operation: 2+7=9, Resulting Numbers: [17, 9] Generated Node #0,0,2: 48:[17, 9] Operation: 2+7=9 Exploring Operation: 17-7=10, Resulting Numbers: [2, 10] Generated Node #0,0,3: 48:[2, 10] Operation: 17-7=10 Exploring Operation: 7-2=5, Resulting Numbers: [17, 5] Generated Node #0,0,4: 48:[17, 5] Operation: 7-2=5 Moving to Node #0,2 Current State: 48:[2, 29, 19], Operations: ['36-17=19'] Exploring Operation: 29-19=10, Resulting Numbers: [2, 10] Generated Node #0,2,0: 48:[2, 10] Operation: 29-19=10 Exploring Operation: 29-2=27, Resulting Numbers: [19, 27] Generated Node #0,2,1: 48:[19, 27] Operation: 29-2=27 Exploring Operation: 29+19=48, Resulting Numbers: [2, 48] Generated Node #0,2,2: 48:[2, 48] Operation: 29+19=48 Exploring Operation: 19-2=17, Resulting Numbers: [29, 17] Generated Node #0,2,3: 48:[29, 17] Operation: 19-2=17 Exploring Operation: 2+19=21, Resulting Numbers: [29, 21] Generated Node #0,2,4: 48:[29, 21] Operation: 2+19=21 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 48:[2, 48], Operations: ['36-17=19', '29+19=48'] Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,48 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,48 unequal: No Solution Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 48:[2, 10], Operations: ['36-17=19', '29-19=10'] Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,48 unequal: No Solution Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 48:[19, 27], Operations: ['36-17=19', '29-2=27'] Exploring Operation: 19*27=513, Resulting Numbers: [513] 513,48 unequal: No Solution Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 19+27=46, Resulting Numbers: [46] 46,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 48:[29, 17], Operations: ['36-17=19', '19-2=17'] Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,48 unequal: No Solution Exploring Operation: 29+17=46, Resulting Numbers: [46] 46,48 unequal: No Solution Exploring Operation: 29*17=493, Resulting Numbers: [493] 493,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 48:[29, 21], Operations: ['36-17=19', '2+19=21'] Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 29*21=609, Resulting Numbers: [609] 609,48 unequal: No Solution Exploring Operation: 29+21=50, Resulting Numbers: [50] 50,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 48:[17, 29, 18], Operations: ['36/2=18'] Exploring Operation: 29-17=12, Resulting Numbers: [18, 12] Generated Node #0,1,0: 48:[18, 12] Operation: 29-17=12 Exploring Operation: 17+29=46, Resulting Numbers: [18, 46] Generated Node #0,1,1: 48:[18, 46] Operation: 17+29=46 Exploring Operation: 29+18=47, Resulting Numbers: [17, 47] Generated Node #0,1,2: 48:[17, 47] Operation: 29+18=47 Exploring Operation: 18-17=1, Resulting Numbers: [29, 1] Generated Node #0,1,3: 48:[29, 1] Operation: 18-17=1 Exploring Operation: 29-18=11, Resulting Numbers: [17, 11] Generated Node #0,1,4: 48:[17, 11] Operation: 29-18=11 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[18, 12], Operations: ['36/2=18', '29-17=12'] Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,48 unequal: No Solution Exploring Operation: 18*12=216, Resulting Numbers: [216] 216,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 48:[17, 47], Operations: ['36/2=18', '29+18=47'] Exploring Operation: 47-17=30, Resulting Numbers: [30] 30,48 unequal: No Solution Exploring Operation: 17+47=64, Resulting Numbers: [64] 64,48 unequal: No Solution Exploring Operation: 17*47=799, Resulting Numbers: [799] 799,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 48:[17, 11], Operations: ['36/2=18', '29-18=11'] Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,48 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 17*11=187, Resulting Numbers: [187] 187,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[18, 46], Operations: ['36/2=18', '17+29=46'] Exploring Operation: 18+46=64, Resulting Numbers: [64] 64,48 unequal: No Solution Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,48 unequal: No Solution Exploring Operation: 18*46=828, Resulting Numbers: [828] 828,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 48:[29, 1], Operations: ['36/2=18', '18-17=1'] Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,48 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,48 unequal: No Solution Exploring Operation: 29+1=30, Resulting Numbers: [30] 30,48 unequal: No Solution Exploring Operation: 29*1=29, Resulting Numbers: [29] 29,48 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: 48:[2, 29, 53], Operations: ['17+36=53'] Exploring Operation: 2+29=31, Resulting Numbers: [53, 31] Generated Node #0,4,0: 48:[53, 31] Operation: 2+29=31 Exploring Operation: 29-2=27, Resulting Numbers: [53, 27] Generated Node #0,4,1: 48:[53, 27] Operation: 29-2=27 Exploring Operation: 53-2=51, Resulting Numbers: [29, 51] Generated Node #0,4,2: 48:[29, 51] Operation: 53-2=51 Exploring Operation: 53-29=24, Resulting Numbers: [2, 24] Generated Node #0,4,3: 48:[2, 24] Operation: 53-29=24 Exploring Operation: 2+53=55, Resulting Numbers: [29, 55] Generated Node #0,4,4: 48:[29, 55] Operation: 2+53=55 Moving to Node #0,3 Current State: 48:[36, 2, 12], Operations: ['29-17=12'] Exploring Operation: 36-12=24, Resulting Numbers: [2, 24] Generated Node #0,3,0: 48:[2, 24] Operation: 36-12=24 Exploring Operation: 36+2=38, Resulting Numbers: [12, 38] Generated Node #0,3,1: 48:[12, 38] Operation: 36+2=38 Exploring Operation: 36+12=48, Resulting Numbers: [2, 48] Generated Node #0,3,2: 48:[2, 48] Operation: 36+12=48 Exploring Operation: 36/12=3, Resulting Numbers: [2, 3] Generated Node #0,3,3: 48:[2, 3] Operation: 36/12=3 Exploring Operation: 36/2=18, Resulting Numbers: [12, 18] Generated Node #0,3,4: 48:[12, 18] Operation: 36/2=18 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 48:[2, 24], Operations: ['29-17=12', '36-12=24'] Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[17, 36, 2, 29], Operations: [] Exploring Operation: 29-17=12, Resulting Numbers: [36, 2, 12] Generated Node #0,3: 48:[36, 2, 12] Operation: 29-17=12 Moving to Node #0,3 Current State: 48:[36, 2, 12], Operations: ['29-17=12'] Exploring Operation: 36-12=24, Resulting Numbers: [2, 24] Generated Node #0,3,0: 48:[2, 24] Operation: 36-12=24 Moving to Node #0,3,0 Current State: 48:[2, 24], Operations: ['29-17=12', '36-12=24'] Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.940972
hs_5
mult_heuristic
[ 45, 16, 83, 99 ]
45
[ "45+16=61", "99-83=16", "61-16=45" ]
Current State: 45:[45, 16, 83, 99], Operations: [] Exploring Operation: 45+16=61, Resulting Numbers: [83, 99, 61] Generated Node #2: [83, 99, 61] from Operation: 45+16=61 Current State: 45:[83, 99, 61], Operations: ['45+16=61'] Exploring Operation: 99-83=16, Resulting Numbers: [61, 16] Generated Node #3: [61, 16] from Operation: 99-83=16 Current State: 45:[61, 16], Operations: ['45+16=61', '99-83=16'] Exploring Operation: 61-16=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[45, 16, 83, 99], Operations: [] Exploring Operation: 99-45=54, Resulting Numbers: [16, 83, 54] Generated Node #0,0: 45:[16, 83, 54] Operation: 99-45=54 Exploring Operation: 83-45=38, Resulting Numbers: [16, 99, 38] Generated Node #0,1: 45:[16, 99, 38] Operation: 83-45=38 Exploring Operation: 99-83=16, Resulting Numbers: [45, 16, 16] Generated Node #0,2: 45:[45, 16, 16] Operation: 99-83=16 Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[45, 16, 16], Operations: ['99-83=16'] Exploring Operation: 16-16=0, Resulting Numbers: [45, 0] Generated Node #0,2,0: 45:[45, 0] Operation: 16-16=0 Exploring Operation: 16+16=32, Resulting Numbers: [45, 32] Generated Node #0,2,1: 45:[45, 32] Operation: 16+16=32 Exploring Operation: 16/16=1, Resulting Numbers: [45, 1] Generated Node #0,2,2: 45:[45, 1] Operation: 16/16=1 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 45:[45, 1], Operations: ['99-83=16', '16/16=1'] Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[45, 16, 83, 99], Operations: [] Exploring Operation: 99-83=16, Resulting Numbers: [45, 16, 16] Generated Node #0,2: 45:[45, 16, 16] Operation: 99-83=16 Moving to Node #0,2 Current State: 45:[45, 16, 16], Operations: ['99-83=16'] Exploring Operation: 16/16=1, Resulting Numbers: [45, 1] Generated Node #0,2,2: 45:[45, 1] Operation: 16/16=1 Moving to Node #0,2,2 Current State: 45:[45, 1], Operations: ['99-83=16', '16/16=1'] Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 9, 78, 77, 94 ]
59
[ "77+94=171", "171/9=19", "78-19=59" ]
Current State: 59:[9, 78, 77, 94], Operations: [] Exploring Operation: 77+94=171, Resulting Numbers: [9, 78, 171] Generated Node #2: [9, 78, 171] from Operation: 77+94=171 Current State: 59:[9, 78, 171], Operations: ['77+94=171'] Exploring Operation: 171/9=19, Resulting Numbers: [78, 19] Generated Node #3: [78, 19] from Operation: 171/9=19 Current State: 59:[78, 19], Operations: ['77+94=171', '171/9=19'] Exploring Operation: 78-19=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[9, 78, 77, 94], Operations: [] Exploring Operation: 94-9=85, Resulting Numbers: [78, 77, 85] Generated Node #0,0: 59:[78, 77, 85] Operation: 94-9=85 Exploring Operation: 9+78=87, Resulting Numbers: [77, 94, 87] Generated Node #0,1: 59:[77, 94, 87] Operation: 9+78=87 Exploring Operation: 77-9=68, Resulting Numbers: [78, 94, 68] Generated Node #0,2: 59:[78, 94, 68] Operation: 77-9=68 Exploring Operation: 78-9=69, Resulting Numbers: [77, 94, 69] Generated Node #0,3: 59:[77, 94, 69] Operation: 78-9=69 Exploring Operation: 9+77=86, Resulting Numbers: [78, 94, 86] Generated Node #0,4: 59:[78, 94, 86] Operation: 9+77=86 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[78, 77, 85], Operations: ['94-9=85'] Exploring Operation: 78+77=155, Resulting Numbers: [85, 155] Generated Node #0,0,0: 59:[85, 155] Operation: 78+77=155 Exploring Operation: 85-78=7, Resulting Numbers: [77, 7] Generated Node #0,0,1: 59:[77, 7] Operation: 85-78=7 Exploring Operation: 78-77=1, Resulting Numbers: [85, 1] Generated Node #0,0,2: 59:[85, 1] Operation: 78-77=1 Exploring Operation: 78+85=163, Resulting Numbers: [77, 163] Generated Node #0,0,3: 59:[77, 163] Operation: 78+85=163 Exploring Operation: 85-77=8, Resulting Numbers: [78, 8] Generated Node #0,0,4: 59:[78, 8] Operation: 85-77=8 Moving to Node #0,0,1 Current State: 59:[77, 7], Operations: ['94-9=85', '85-78=7'] Exploring Operation: 77+7=84, Resulting Numbers: [84] 84,59 unequal: No Solution Exploring Operation: 77*7=539, Resulting Numbers: [539] 539,59 unequal: No Solution Exploring Operation: 77-7=70, Resulting Numbers: [70] 70,59 unequal: No Solution Exploring Operation: 77/7=11, Resulting Numbers: [11] 11,59 unequal: No Solution Moving to Node #0,0,4 Current State: 59:[78, 8], Operations: ['94-9=85', '85-77=8'] Exploring Operation: 78-8=70, Resulting Numbers: [70] 70,59 unequal: No Solution Exploring Operation: 78+8=86, Resulting Numbers: [86] 86,59 unequal: No Solution Exploring Operation: 78*8=624, Resulting Numbers: [624] 624,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[85, 1], Operations: ['94-9=85', '78-77=1'] Exploring Operation: 85/1=85, Resulting Numbers: [85] 85,59 unequal: No Solution Exploring Operation: 85-1=84, Resulting Numbers: [84] 84,59 unequal: No Solution Exploring Operation: 85+1=86, Resulting Numbers: [86] 86,59 unequal: No Solution Exploring Operation: 85*1=85, Resulting Numbers: [85] 85,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[85, 155], Operations: ['94-9=85', '78+77=155'] Exploring Operation: 85+155=240, Resulting Numbers: [240] 240,59 unequal: No Solution Exploring Operation: 155-85=70, Resulting Numbers: [70] 70,59 unequal: No Solution Exploring Operation: 85*155=13175, Resulting Numbers: [13175] 13175,59 unequal: No Solution Moving to Node #0,0,3 Current State: 59:[77, 163], Operations: ['94-9=85', '78+85=163'] Exploring Operation: 77*163=12551, Resulting Numbers: [12551] 12551,59 unequal: No Solution Exploring Operation: 77+163=240, Resulting Numbers: [240] 240,59 unequal: No Solution Exploring Operation: 163-77=86, Resulting Numbers: [86] 86,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[78, 94, 68], Operations: ['77-9=68'] Exploring Operation: 94-68=26, Resulting Numbers: [78, 26] Generated Node #0,2,0: 59:[78, 26] Operation: 94-68=26 Exploring Operation: 94-78=16, Resulting Numbers: [68, 16] Generated Node #0,2,1: 59:[68, 16] Operation: 94-78=16 Exploring Operation: 78-68=10, Resulting Numbers: [94, 10] Generated Node #0,2,2: 59:[94, 10] Operation: 78-68=10 Exploring Operation: 78+94=172, Resulting Numbers: [68, 172] Generated Node #0,2,3: 59:[68, 172] Operation: 78+94=172 Exploring Operation: 78+68=146, Resulting Numbers: [94, 146] Generated Node #0,2,4: 59:[94, 146] Operation: 78+68=146 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 59:[78, 26], Operations: ['77-9=68', '94-68=26'] Exploring Operation: 78/26=3, Resulting Numbers: [3] 3,59 unequal: No Solution Exploring Operation: 78-26=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 78+26=104, Resulting Numbers: [104] 104,59 unequal: No Solution Exploring Operation: 78*26=2028, Resulting Numbers: [2028] 2028,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 59:[68, 16], Operations: ['77-9=68', '94-78=16'] Exploring Operation: 68*16=1088, Resulting Numbers: [1088] 1088,59 unequal: No Solution Exploring Operation: 68+16=84, Resulting Numbers: [84] 84,59 unequal: No Solution Exploring Operation: 68-16=52, Resulting Numbers: [52] 52,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 59:[94, 10], Operations: ['77-9=68', '78-68=10'] Exploring Operation: 94+10=104, Resulting Numbers: [104] 104,59 unequal: No Solution Exploring Operation: 94*10=940, Resulting Numbers: [940] 940,59 unequal: No Solution Exploring Operation: 94-10=84, Resulting Numbers: [84] 84,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 59:[68, 172], Operations: ['77-9=68', '78+94=172'] Exploring Operation: 172-68=104, Resulting Numbers: [104] 104,59 unequal: No Solution Exploring Operation: 68+172=240, Resulting Numbers: [240] 240,59 unequal: No Solution Exploring Operation: 68*172=11696, Resulting Numbers: [11696] 11696,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 59:[94, 146], Operations: ['77-9=68', '78+68=146'] Exploring Operation: 146-94=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 94+146=240, Resulting Numbers: [240] 240,59 unequal: No Solution Exploring Operation: 94*146=13724, Resulting Numbers: [13724] 13724,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 59:[77, 94, 69], Operations: ['78-9=69'] Exploring Operation: 77+94=171, Resulting Numbers: [69, 171] Generated Node #0,3,0: 59:[69, 171] Operation: 77+94=171 Exploring Operation: 94-77=17, Resulting Numbers: [69, 17] Generated Node #0,3,1: 59:[69, 17] Operation: 94-77=17 Exploring Operation: 94-69=25, Resulting Numbers: [77, 25] Generated Node #0,3,2: 59:[77, 25] Operation: 94-69=25 Exploring Operation: 77+69=146, Resulting Numbers: [94, 146] Generated Node #0,3,3: 59:[94, 146] Operation: 77+69=146 Exploring Operation: 77-69=8, Resulting Numbers: [94, 8] Generated Node #0,3,4: 59:[94, 8] Operation: 77-69=8 Moving to Node #0,3,1 Current State: 59:[69, 17], Operations: ['78-9=69', '94-77=17'] Exploring Operation: 69+17=86, Resulting Numbers: [86] 86,59 unequal: No Solution Exploring Operation: 69*17=1173, Resulting Numbers: [1173] 1173,59 unequal: No Solution Exploring Operation: 69-17=52, Resulting Numbers: [52] 52,59 unequal: No Solution Moving to Node #0,3,2 Current State: 59:[77, 25], Operations: ['78-9=69', '94-69=25'] Exploring Operation: 77-25=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 77*25=1925, Resulting Numbers: [1925] 1925,59 unequal: No Solution Exploring Operation: 77+25=102, Resulting Numbers: [102] 102,59 unequal: No Solution Moving to Node #0,3,4 Current State: 59:[94, 8], Operations: ['78-9=69', '77-69=8'] Exploring Operation: 94+8=102, Resulting Numbers: [102] 102,59 unequal: No Solution Exploring Operation: 94*8=752, Resulting Numbers: [752] 752,59 unequal: No Solution Exploring Operation: 94-8=86, Resulting Numbers: [86] 86,59 unequal: No Solution Moving to Node #0,3,0 Current State: 59:[69, 171], Operations: ['78-9=69', '77+94=171'] Exploring Operation: 69+171=240, Resulting Numbers: [240] 240,59 unequal: No Solution Exploring Operation: 171-69=102, Resulting Numbers: [102] 102,59 unequal: No Solution Exploring Operation: 69*171=11799, Resulting Numbers: [11799] 11799,59 unequal: No Solution Moving to Node #0,3,3 Current State: 59:[94, 146], Operations: ['78-9=69', '77+69=146'] Exploring Operation: 146-94=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 94+146=240, Resulting Numbers: [240] 240,59 unequal: No Solution Exploring Operation: 94*146=13724, Resulting Numbers: [13724] 13724,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[77, 94, 87], Operations: ['9+78=87'] Exploring Operation: 87-77=10, Resulting Numbers: [94, 10] Generated Node #0,1,0: 59:[94, 10] Operation: 87-77=10 Exploring Operation: 77+94=171, Resulting Numbers: [87, 171] Generated Node #0,1,1: 59:[87, 171] Operation: 77+94=171 Exploring Operation: 77+87=164, Resulting Numbers: [94, 164] Generated Node #0,1,2: 59:[94, 164] Operation: 77+87=164 Exploring Operation: 94-87=7, Resulting Numbers: [77, 7] Generated Node #0,1,3: 59:[77, 7] Operation: 94-87=7 Exploring Operation: 94-77=17, Resulting Numbers: [87, 17] Generated Node #0,1,4: 59:[87, 17] Operation: 94-77=17 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 59:[77, 7], Operations: ['9+78=87', '94-87=7'] Exploring Operation: 77-7=70, Resulting Numbers: [70] 70,59 unequal: No Solution Exploring Operation: 77/7=11, Resulting Numbers: [11] 11,59 unequal: No Solution Exploring Operation: 77*7=539, Resulting Numbers: [539] 539,59 unequal: No Solution Exploring Operation: 77+7=84, Resulting Numbers: [84] 84,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 59:[87, 17], Operations: ['9+78=87', '94-77=17'] Exploring Operation: 87+17=104, Resulting Numbers: [104] 104,59 unequal: No Solution Exploring Operation: 87*17=1479, Resulting Numbers: [1479] 1479,59 unequal: No Solution Exploring Operation: 87-17=70, Resulting Numbers: [70] 70,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 59:[94, 10], Operations: ['9+78=87', '87-77=10'] Exploring Operation: 94+10=104, Resulting Numbers: [104] 104,59 unequal: No Solution Exploring Operation: 94*10=940, Resulting Numbers: [940] 940,59 unequal: No Solution Exploring Operation: 94-10=84, Resulting Numbers: [84] 84,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 59:[87, 171], Operations: ['9+78=87', '77+94=171'] Exploring Operation: 171-87=84, Resulting Numbers: [84] 84,59 unequal: No Solution Exploring Operation: 87*171=14877, Resulting Numbers: [14877] 14877,59 unequal: No Solution Exploring Operation: 87+171=258, Resulting Numbers: [258] 258,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 59:[94, 164], Operations: ['9+78=87', '77+87=164'] Exploring Operation: 164-94=70, Resulting Numbers: [70] 70,59 unequal: No Solution Exploring Operation: 94+164=258, Resulting Numbers: [258] 258,59 unequal: No Solution Exploring Operation: 94*164=15416, Resulting Numbers: [15416] 15416,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 59:[78, 94, 86], Operations: ['9+77=86'] Exploring Operation: 78+86=164, Resulting Numbers: [94, 164] Generated Node #0,4,0: 59:[94, 164] Operation: 78+86=164 Exploring Operation: 86-78=8, Resulting Numbers: [94, 8] Generated Node #0,4,1: 59:[94, 8] Operation: 86-78=8 Exploring Operation: 78+94=172, Resulting Numbers: [86, 172] Generated Node #0,4,2: 59:[86, 172] Operation: 78+94=172 Exploring Operation: 94-78=16, Resulting Numbers: [86, 16] Generated Node #0,4,3: 59:[86, 16] Operation: 94-78=16 Exploring Operation: 94-86=8, Resulting Numbers: [78, 8] Generated Node #0,4,4: 59:[78, 8] Operation: 94-86=8 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 59:[86, 16], Operations: ['9+77=86', '94-78=16'] Exploring Operation: 86+16=102, Resulting Numbers: [102] 102,59 unequal: No Solution Exploring Operation: 86*16=1376, Resulting Numbers: [1376] 1376,59 unequal: No Solution Exploring Operation: 86-16=70, Resulting Numbers: [70] 70,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 59:[78, 8], Operations: ['9+77=86', '94-86=8'] Exploring Operation: 78*8=624, Resulting Numbers: [624] 624,59 unequal: No Solution Exploring Operation: 78-8=70, Resulting Numbers: [70] 70,59 unequal: No Solution Exploring Operation: 78+8=86, Resulting Numbers: [86] 86,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 59:[94, 8], Operations: ['9+77=86', '86-78=8'] Exploring Operation: 94+8=102, Resulting Numbers: [102] 102,59 unequal: No Solution Exploring Operation: 94*8=752, Resulting Numbers: [752] 752,59 unequal: No Solution Exploring Operation: 94-8=86, Resulting Numbers: [86] 86,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 59:[94, 164], Operations: ['9+77=86', '78+86=164'] Exploring Operation: 164-94=70, Resulting Numbers: [70] 70,59 unequal: No Solution Exploring Operation: 94+164=258, Resulting Numbers: [258] 258,59 unequal: No Solution Exploring Operation: 94*164=15416, Resulting Numbers: [15416] 15416,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 59:[86, 172], Operations: ['9+77=86', '78+94=172'] Exploring Operation: 172/86=2, Resulting Numbers: [2] 2,59 unequal: No Solution Exploring Operation: 86+172=258, Resulting Numbers: [258] 258,59 unequal: No Solution Exploring Operation: 172-86=86, Resulting Numbers: [86] 86,59 unequal: No Solution Exploring Operation: 86*172=14792, Resulting Numbers: [14792] 14792,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 36, 36, 39, 70 ]
70
[ "36-36=0", "39*0=0", "70+0=70" ]
Current State: 70:[36, 36, 39, 70], Operations: [] Exploring Operation: 36-36=0, Resulting Numbers: [39, 70, 0] Generated Node #2: [39, 70, 0] from Operation: 36-36=0 Current State: 70:[39, 70, 0], Operations: ['36-36=0'] Exploring Operation: 39*0=0, Resulting Numbers: [70, 0] Generated Node #3: [70, 0] from Operation: 39*0=0 Current State: 70:[70, 0], Operations: ['36-36=0', '39*0=0'] Exploring Operation: 70+0=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[36, 36, 39, 70], Operations: [] Exploring Operation: 39-36=3, Resulting Numbers: [36, 70, 3] Generated Node #0,0: 70:[36, 70, 3] Operation: 39-36=3 Exploring Operation: 39-36=3, Resulting Numbers: [36, 70, 3] Generated Node #0,1: 70:[36, 70, 3] Operation: 39-36=3 Exploring Operation: 36/36=1, Resulting Numbers: [39, 70, 1] Generated Node #0,2: 70:[39, 70, 1] Operation: 36/36=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[36, 70, 3], Operations: ['39-36=3'] Exploring Operation: 36/3=12, Resulting Numbers: [70, 12] Generated Node #0,0,0: 70:[70, 12] Operation: 36/3=12 Exploring Operation: 36-3=33, Resulting Numbers: [70, 33] Generated Node #0,0,1: 70:[70, 33] Operation: 36-3=33 Exploring Operation: 70-36=34, Resulting Numbers: [3, 34] Generated Node #0,0,2: 70:[3, 34] Operation: 70-36=34 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 70:[70, 12], Operations: ['39-36=3', '36/3=12'] Exploring Operation: 70*12=840, Resulting Numbers: [840] 840,70 unequal: No Solution Exploring Operation: 70+12=82, Resulting Numbers: [82] 82,70 unequal: No Solution Exploring Operation: 70-12=58, Resulting Numbers: [58] 58,70 unequal: No Solution No 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: 70:[70, 33], Operations: ['39-36=3', '36-3=33'] Exploring Operation: 70*33=2310, Resulting Numbers: [2310] 2310,70 unequal: No Solution Exploring Operation: 70+33=103, Resulting Numbers: [103] 103,70 unequal: No Solution Exploring Operation: 70-33=37, Resulting Numbers: [37] 37,70 unequal: No Solution No 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: 70:[3, 34], Operations: ['39-36=3', '70-36=34'] Exploring Operation: 3+34=37, Resulting Numbers: [37] 37,70 unequal: No Solution Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,70 unequal: No Solution Exploring Operation: 3*34=102, Resulting Numbers: [102] 102,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[36, 70, 3], Operations: ['39-36=3'] Exploring Operation: 36-3=33, Resulting Numbers: [70, 33] Generated Node #0,1,0: 70:[70, 33] Operation: 36-3=33 Exploring Operation: 36/3=12, Resulting Numbers: [70, 12] Generated Node #0,1,1: 70:[70, 12] Operation: 36/3=12 Exploring Operation: 70-36=34, Resulting Numbers: [3, 34] Generated Node #0,1,2: 70:[3, 34] Operation: 70-36=34 Moving to Node #0,1,0 Current State: 70:[70, 33], Operations: ['39-36=3', '36-3=33'] Exploring Operation: 70-33=37, Resulting Numbers: [37] 37,70 unequal: No Solution Exploring Operation: 70+33=103, Resulting Numbers: [103] 103,70 unequal: No Solution Exploring Operation: 70*33=2310, Resulting Numbers: [2310] 2310,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[70, 12], Operations: ['39-36=3', '36/3=12'] Exploring Operation: 70+12=82, Resulting Numbers: [82] 82,70 unequal: No Solution Exploring Operation: 70-12=58, Resulting Numbers: [58] 58,70 unequal: No Solution Exploring Operation: 70*12=840, Resulting Numbers: [840] 840,70 unequal: No Solution Moving to Node #0,1,2 Current State: 70:[3, 34], Operations: ['39-36=3', '70-36=34'] Exploring Operation: 3+34=37, Resulting Numbers: [37] 37,70 unequal: No Solution Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,70 unequal: No Solution Exploring Operation: 3*34=102, Resulting Numbers: [102] 102,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 70:[39, 70, 1], Operations: ['36/36=1'] Exploring Operation: 39-1=38, Resulting Numbers: [70, 38] Generated Node #0,2,0: 70:[70, 38] Operation: 39-1=38 Exploring Operation: 39/1=39, Resulting Numbers: [70, 39] Generated Node #0,2,1: 70:[70, 39] Operation: 39/1=39 Exploring Operation: 39*1=39, Resulting Numbers: [70, 39] Generated Node #0,2,2: 70:[70, 39] Operation: 39*1=39 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 70:[70, 38], Operations: ['36/36=1', '39-1=38'] Exploring Operation: 70-38=32, Resulting Numbers: [32] 32,70 unequal: No Solution Exploring Operation: 70*38=2660, Resulting Numbers: [2660] 2660,70 unequal: No Solution Exploring Operation: 70+38=108, Resulting Numbers: [108] 108,70 unequal: No Solution No 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: 70:[70, 39], Operations: ['36/36=1', '39/1=39'] Exploring Operation: 70*39=2730, Resulting Numbers: [2730] 2730,70 unequal: No Solution Exploring Operation: 70-39=31, Resulting Numbers: [31] 31,70 unequal: No Solution Exploring Operation: 70+39=109, Resulting Numbers: [109] 109,70 unequal: No Solution No 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: 70:[70, 39], Operations: ['36/36=1', '39*1=39'] Exploring Operation: 70*39=2730, Resulting Numbers: [2730] 2730,70 unequal: No Solution Exploring Operation: 70-39=31, Resulting Numbers: [31] 31,70 unequal: No Solution Exploring Operation: 70+39=109, Resulting Numbers: [109] 109,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 51, 25, 22, 17 ]
21
[ "51-25=26", "22-17=5", "26-5=21" ]
Current State: 21:[51, 25, 22, 17], Operations: [] Exploring Operation: 51-25=26, Resulting Numbers: [22, 17, 26] Generated Node #2: [22, 17, 26] from Operation: 51-25=26 Current State: 21:[22, 17, 26], Operations: ['51-25=26'] Exploring Operation: 22-17=5, Resulting Numbers: [26, 5] Generated Node #3: [26, 5] from Operation: 22-17=5 Current State: 21:[26, 5], Operations: ['51-25=26', '22-17=5'] Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[51, 25, 22, 17], Operations: [] Exploring Operation: 25-17=8, Resulting Numbers: [51, 22, 8] Generated Node #0,0: 21:[51, 22, 8] Operation: 25-17=8 Exploring Operation: 51/17=3, Resulting Numbers: [25, 22, 3] Generated Node #0,1: 21:[25, 22, 3] Operation: 51/17=3 Exploring Operation: 51-22=29, Resulting Numbers: [25, 17, 29] Generated Node #0,2: 21:[25, 17, 29] Operation: 51-22=29 Exploring Operation: 51-17=34, Resulting Numbers: [25, 22, 34] Generated Node #0,3: 21:[25, 22, 34] Operation: 51-17=34 Exploring Operation: 51-25=26, Resulting Numbers: [22, 17, 26] Generated Node #0,4: 21:[22, 17, 26] Operation: 51-25=26 Moving to Node #0,1 Current State: 21:[25, 22, 3], Operations: ['51/17=3'] Exploring Operation: 25-22=3, Resulting Numbers: [3, 3] Generated Node #0,1,0: 21:[3, 3] Operation: 25-22=3 Exploring Operation: 25+3=28, Resulting Numbers: [22, 28] Generated Node #0,1,1: 21:[22, 28] Operation: 25+3=28 Exploring Operation: 22+3=25, Resulting Numbers: [25, 25] Generated Node #0,1,2: 21:[25, 25] Operation: 22+3=25 Exploring Operation: 22-3=19, Resulting Numbers: [25, 19] Generated Node #0,1,3: 21:[25, 19] Operation: 22-3=19 Exploring Operation: 25-3=22, Resulting Numbers: [22, 22] Generated Node #0,1,4: 21:[22, 22] Operation: 25-3=22 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 21:[3, 3], Operations: ['51/17=3', '25-22=3'] Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,21 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,21 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,21 unequal: No Solution Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,21 unequal: No Solution No 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: 21:[22, 22], Operations: ['51/17=3', '25-3=22'] Exploring Operation: 22/22=1, Resulting Numbers: [1] 1,21 unequal: No Solution Exploring Operation: 22+22=44, Resulting Numbers: [44] 44,21 unequal: No Solution Exploring Operation: 22*22=484, Resulting Numbers: [484] 484,21 unequal: No Solution Exploring Operation: 22-22=0, Resulting Numbers: [0] 0,21 unequal: No Solution No 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: 21:[25, 19], Operations: ['51/17=3', '22-3=19'] Exploring Operation: 25*19=475, Resulting Numbers: [475] 475,21 unequal: No Solution Exploring Operation: 25+19=44, Resulting Numbers: [44] 44,21 unequal: No Solution Exploring Operation: 25-19=6, Resulting Numbers: [6] 6,21 unequal: No Solution No 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: 21:[22, 28], Operations: ['51/17=3', '25+3=28'] Exploring Operation: 22*28=616, Resulting Numbers: [616] 616,21 unequal: No Solution Exploring Operation: 22+28=50, Resulting Numbers: [50] 50,21 unequal: No Solution Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,21 unequal: No Solution No 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: 21:[25, 25], Operations: ['51/17=3', '22+3=25'] Exploring Operation: 25*25=625, Resulting Numbers: [625] 625,21 unequal: No Solution Exploring Operation: 25-25=0, Resulting Numbers: [0] 0,21 unequal: No Solution Exploring Operation: 25/25=1, Resulting Numbers: [1] 1,21 unequal: No Solution Exploring Operation: 25+25=50, Resulting Numbers: [50] 50,21 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: 21:[22, 17, 26], Operations: ['51-25=26'] Exploring Operation: 17+26=43, Resulting Numbers: [22, 43] Generated Node #0,4,0: 21:[22, 43] Operation: 17+26=43 Exploring Operation: 26-22=4, Resulting Numbers: [17, 4] Generated Node #0,4,1: 21:[17, 4] Operation: 26-22=4 Exploring Operation: 22-17=5, Resulting Numbers: [26, 5] Generated Node #0,4,2: 21:[26, 5] Operation: 22-17=5 Exploring Operation: 22+17=39, Resulting Numbers: [26, 39] Generated Node #0,4,3: 21:[26, 39] Operation: 22+17=39 Exploring Operation: 26-17=9, Resulting Numbers: [22, 9] Generated Node #0,4,4: 21:[22, 9] Operation: 26-17=9 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 21:[22, 9], Operations: ['51-25=26', '26-17=9'] Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 22*9=198, Resulting Numbers: [198] 198,21 unequal: No Solution Exploring Operation: 22+9=31, Resulting Numbers: [31] 31,21 unequal: No Solution No 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: 21:[17, 4], Operations: ['51-25=26', '26-22=4'] Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,21 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[51, 25, 22, 17], Operations: [] Exploring Operation: 51-25=26, Resulting Numbers: [22, 17, 26] Generated Node #0,4: 21:[22, 17, 26] Operation: 51-25=26 Moving to Node #0,4 Current State: 21:[22, 17, 26], Operations: ['51-25=26'] Exploring Operation: 26-22=4, Resulting Numbers: [17, 4] Generated Node #0,4,1: 21:[17, 4] Operation: 26-22=4 Moving to Node #0,4,1 Current State: 21:[17, 4], Operations: ['51-25=26', '26-22=4'] Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_5
sum_heuristic
[ 14, 52, 5, 4 ]
51
[ "52*5=260", "260/4=65", "65-14=51" ]
Current State: 51:[14, 52, 5, 4], Operations: [] Exploring Operation: 52*5=260, Resulting Numbers: [14, 4, 260] Generated Node #2: [14, 4, 260] from Operation: 52*5=260 Current State: 51:[14, 4, 260], Operations: ['52*5=260'] Exploring Operation: 260/4=65, Resulting Numbers: [14, 65] Generated Node #3: [14, 65] from Operation: 260/4=65 Current State: 51:[14, 65], Operations: ['52*5=260', '260/4=65'] Exploring Operation: 65-14=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[14, 52, 5, 4], Operations: [] Exploring Operation: 5-4=1, Resulting Numbers: [14, 52, 1] Generated Node #0,0: 51:[14, 52, 1] Operation: 5-4=1 Exploring Operation: 5*4=20, Resulting Numbers: [14, 52, 20] Generated Node #0,1: 51:[14, 52, 20] Operation: 5*4=20 Exploring Operation: 14+5=19, Resulting Numbers: [52, 4, 19] Generated Node #0,2: 51:[52, 4, 19] Operation: 14+5=19 Exploring Operation: 14+4=18, Resulting Numbers: [52, 5, 18] Generated Node #0,3: 51:[52, 5, 18] Operation: 14+4=18 Start Sub Search at level 1: Moving to Node #0,2 Current State: 51:[52, 4, 19], Operations: ['14+5=19'] Exploring Operation: 19-4=15, Resulting Numbers: [52, 15] Generated Node #0,2,0: 51:[52, 15] Operation: 19-4=15 Exploring Operation: 52/4=13, Resulting Numbers: [19, 13] Generated Node #0,2,1: 51:[19, 13] Operation: 52/4=13 Exploring Operation: 52+4=56, Resulting Numbers: [19, 56] Generated Node #0,2,2: 51:[19, 56] Operation: 52+4=56 Exploring Operation: 52-4=48, Resulting Numbers: [19, 48] Generated Node #0,2,3: 51:[19, 48] Operation: 52-4=48 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 51:[52, 15], Operations: ['14+5=19', '19-4=15'] Exploring Operation: 52-15=37, Resulting Numbers: [37] 37,51 unequal: No Solution Exploring Operation: 52*15=780, Resulting Numbers: [780] 780,51 unequal: No Solution Exploring Operation: 52+15=67, Resulting Numbers: [67] 67,51 unequal: No Solution No 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: 51:[19, 48], Operations: ['14+5=19', '52-4=48'] Exploring Operation: 19*48=912, Resulting Numbers: [912] 912,51 unequal: No Solution Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 19+48=67, Resulting Numbers: [67] 67,51 unequal: No Solution No 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: 51:[19, 13], Operations: ['14+5=19', '52/4=13'] Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,51 unequal: No Solution Exploring Operation: 19*13=247, Resulting Numbers: [247] 247,51 unequal: No Solution Exploring Operation: 19+13=32, Resulting Numbers: [32] 32,51 unequal: No Solution No 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: 51:[19, 56], Operations: ['14+5=19', '52+4=56'] Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,51 unequal: No Solution Exploring Operation: 19*56=1064, Resulting Numbers: [1064] 1064,51 unequal: No Solution Exploring Operation: 19+56=75, Resulting Numbers: [75] 75,51 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: 51:[52, 5, 18], Operations: ['14+4=18'] Exploring Operation: 52-5=47, Resulting Numbers: [18, 47] Generated Node #0,3,0: 51:[18, 47] Operation: 52-5=47 Exploring Operation: 5+18=23, Resulting Numbers: [52, 23] Generated Node #0,3,1: 51:[52, 23] Operation: 5+18=23 Exploring Operation: 52+5=57, Resulting Numbers: [18, 57] Generated Node #0,3,2: 51:[18, 57] Operation: 52+5=57 Exploring Operation: 18-5=13, Resulting Numbers: [52, 13] Generated Node #0,3,3: 51:[52, 13] Operation: 18-5=13 Moving to Node #0,3,0 Current State: 51:[18, 47], Operations: ['14+4=18', '52-5=47'] Exploring Operation: 18*47=846, Resulting Numbers: [846] 846,51 unequal: No Solution Exploring Operation: 18+47=65, Resulting Numbers: [65] 65,51 unequal: No Solution Exploring Operation: 47-18=29, Resulting Numbers: [29] 29,51 unequal: No Solution Moving to Node #0,3,3 Current State: 51:[52, 13], Operations: ['14+4=18', '18-5=13'] Exploring Operation: 52-13=39, Resulting Numbers: [39] 39,51 unequal: No Solution Exploring Operation: 52*13=676, Resulting Numbers: [676] 676,51 unequal: No Solution Exploring Operation: 52/13=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 52+13=65, Resulting Numbers: [65] 65,51 unequal: No Solution Moving to Node #0,3,2 Current State: 51:[18, 57], Operations: ['14+4=18', '52+5=57'] Exploring Operation: 57-18=39, Resulting Numbers: [39] 39,51 unequal: No Solution Exploring Operation: 18+57=75, Resulting Numbers: [75] 75,51 unequal: No Solution Exploring Operation: 18*57=1026, Resulting Numbers: [1026] 1026,51 unequal: No Solution Moving to Node #0,3,1 Current State: 51:[52, 23], Operations: ['14+4=18', '5+18=23'] Exploring Operation: 52-23=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 52+23=75, Resulting Numbers: [75] 75,51 unequal: No Solution Exploring Operation: 52*23=1196, Resulting Numbers: [1196] 1196,51 unequal: No Solution No 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: 51:[14, 52, 1], Operations: ['5-4=1'] Exploring Operation: 14+1=15, Resulting Numbers: [52, 15] Generated Node #0,0,0: 51:[52, 15] Operation: 14+1=15 Exploring Operation: 14*1=14, Resulting Numbers: [52, 14] Generated Node #0,0,1: 51:[52, 14] Operation: 14*1=14 Exploring Operation: 14/1=14, Resulting Numbers: [52, 14] Generated Node #0,0,2: 51:[52, 14] Operation: 14/1=14 Exploring Operation: 52-1=51, Resulting Numbers: [14, 51] Generated Node #0,0,3: 51:[14, 51] Operation: 52-1=51 Moving to Node #0,0,0 Current State: 51:[52, 15], Operations: ['5-4=1', '14+1=15'] Exploring Operation: 52-15=37, Resulting Numbers: [37] 37,51 unequal: No Solution Exploring Operation: 52*15=780, Resulting Numbers: [780] 780,51 unequal: No Solution Exploring Operation: 52+15=67, Resulting Numbers: [67] 67,51 unequal: No Solution Moving to Node #0,0,3 Current State: 51:[14, 51], Operations: ['5-4=1', '52-1=51'] Exploring Operation: 14+51=65, Resulting Numbers: [65] 65,51 unequal: No Solution Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,51 unequal: No Solution Exploring Operation: 14*51=714, Resulting Numbers: [714] 714,51 unequal: No Solution Moving to Node #0,0,2 Current State: 51:[52, 14], Operations: ['5-4=1', '14/1=14'] Exploring Operation: 52*14=728, Resulting Numbers: [728] 728,51 unequal: No Solution Exploring Operation: 52+14=66, Resulting Numbers: [66] 66,51 unequal: No Solution Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[52, 14], Operations: ['5-4=1', '14*1=14'] Exploring Operation: 52*14=728, Resulting Numbers: [728] 728,51 unequal: No Solution Exploring Operation: 52+14=66, Resulting Numbers: [66] 66,51 unequal: No Solution Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,51 unequal: No Solution No 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: 51:[14, 52, 20], Operations: ['5*4=20'] Exploring Operation: 20-14=6, Resulting Numbers: [52, 6] Generated Node #0,1,0: 51:[52, 6] Operation: 20-14=6 Exploring Operation: 14+20=34, Resulting Numbers: [52, 34] Generated Node #0,1,1: 51:[52, 34] Operation: 14+20=34 Exploring Operation: 52-14=38, Resulting Numbers: [20, 38] Generated Node #0,1,2: 51:[20, 38] Operation: 52-14=38 Exploring Operation: 14+52=66, Resulting Numbers: [20, 66] Generated Node #0,1,3: 51:[20, 66] Operation: 14+52=66 Moving to Node #0,1,0 Current State: 51:[52, 6], Operations: ['5*4=20', '20-14=6'] Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,51 unequal: No Solution Exploring Operation: 52*6=312, Resulting Numbers: [312] 312,51 unequal: No Solution Moving to Node #0,1,2 Current State: 51:[20, 38], Operations: ['5*4=20', '52-14=38'] Exploring Operation: 20+38=58, Resulting Numbers: [58] 58,51 unequal: No Solution Exploring Operation: 38-20=18, Resulting Numbers: [18] 18,51 unequal: No Solution Exploring Operation: 20*38=760, Resulting Numbers: [760] 760,51 unequal: No Solution Moving to Node #0,1,3 Current State: 51:[20, 66], Operations: ['5*4=20', '14+52=66'] Exploring Operation: 20+66=86, Resulting Numbers: [86] 86,51 unequal: No Solution Exploring Operation: 66-20=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 20*66=1320, Resulting Numbers: [1320] 1320,51 unequal: No Solution Moving to Node #0,1,1 Current State: 51:[52, 34], Operations: ['5*4=20', '14+20=34'] Exploring Operation: 52+34=86, Resulting Numbers: [86] 86,51 unequal: No Solution Exploring Operation: 52*34=1768, Resulting Numbers: [1768] 1768,51 unequal: No Solution Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 91, 96, 35, 22 ]
62
[ "96-91=5", "35+22=57", "5+57=62" ]
Current State: 62:[91, 96, 35, 22], Operations: [] Exploring Operation: 96-91=5, Resulting Numbers: [35, 22, 5] Generated Node #2: [35, 22, 5] from Operation: 96-91=5 Current State: 62:[35, 22, 5], Operations: ['96-91=5'] Exploring Operation: 35+22=57, Resulting Numbers: [5, 57] Generated Node #3: [5, 57] from Operation: 35+22=57 Current State: 62:[5, 57], Operations: ['96-91=5', '35+22=57'] Exploring Operation: 5+57=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[91, 96, 35, 22], Operations: [] Exploring Operation: 91-22=69, Resulting Numbers: [96, 35, 69] Generated Node #0,0: 62:[96, 35, 69] Operation: 91-22=69 Exploring Operation: 96-35=61, Resulting Numbers: [91, 22, 61] Generated Node #0,1: 62:[91, 22, 61] Operation: 96-35=61 Exploring Operation: 96-22=74, Resulting Numbers: [91, 35, 74] Generated Node #0,2: 62:[91, 35, 74] Operation: 96-22=74 Exploring Operation: 96-91=5, Resulting Numbers: [35, 22, 5] Generated Node #0,3: 62:[35, 22, 5] Operation: 96-91=5 Start Sub Search at level 1: Moving to Node #0,3 Current State: 62:[35, 22, 5], Operations: ['96-91=5'] Exploring Operation: 35+22=57, Resulting Numbers: [5, 57] Generated Node #0,3,0: 62:[5, 57] Operation: 35+22=57 Exploring Operation: 35-22=13, Resulting Numbers: [5, 13] Generated Node #0,3,1: 62:[5, 13] Operation: 35-22=13 Exploring Operation: 22+5=27, Resulting Numbers: [35, 27] Generated Node #0,3,2: 62:[35, 27] Operation: 22+5=27 Exploring Operation: 35-5=30, Resulting Numbers: [22, 30] Generated Node #0,3,3: 62:[22, 30] Operation: 35-5=30 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 62:[5, 57], Operations: ['96-91=5', '35+22=57'] Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,62 unequal: No Solution Exploring Operation: 5+57=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[91, 96, 35, 22], Operations: [] Exploring Operation: 96-91=5, Resulting Numbers: [35, 22, 5] Generated Node #0,3: 62:[35, 22, 5] Operation: 96-91=5 Moving to Node #0,3 Current State: 62:[35, 22, 5], Operations: ['96-91=5'] Exploring Operation: 35+22=57, Resulting Numbers: [5, 57] Generated Node #0,3,0: 62:[5, 57] Operation: 35+22=57 Moving to Node #0,3,0 Current State: 62:[5, 57], Operations: ['96-91=5', '35+22=57'] Exploring Operation: 5+57=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 81, 62, 18, 60 ]
90
[ "62-60=2", "18/2=9", "81+9=90" ]
Current State: 90:[81, 62, 18, 60], Operations: [] Exploring Operation: 62-60=2, Resulting Numbers: [81, 18, 2] Generated Node #2: [81, 18, 2] from Operation: 62-60=2 Current State: 90:[81, 18, 2], Operations: ['62-60=2'] Exploring Operation: 18/2=9, Resulting Numbers: [81, 9] Generated Node #3: [81, 9] from Operation: 18/2=9 Current State: 90:[81, 9], Operations: ['62-60=2', '18/2=9'] Exploring Operation: 81+9=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[81, 62, 18, 60], Operations: [] Exploring Operation: 60-18=42, Resulting Numbers: [81, 62, 42] Generated Node #0,0: 90:[81, 62, 42] Operation: 60-18=42 Exploring Operation: 62-18=44, Resulting Numbers: [81, 60, 44] Generated Node #0,1: 90:[81, 60, 44] Operation: 62-18=44 Exploring Operation: 62-60=2, Resulting Numbers: [81, 18, 2] Generated Node #0,2: 90:[81, 18, 2] Operation: 62-60=2 Exploring Operation: 81-62=19, Resulting Numbers: [18, 60, 19] Generated Node #0,3: 90:[18, 60, 19] Operation: 81-62=19 Exploring Operation: 81-60=21, Resulting Numbers: [62, 18, 21] Generated Node #0,4: 90:[62, 18, 21] Operation: 81-60=21 Moving to Node #0,2 Current State: 90:[81, 18, 2], Operations: ['62-60=2'] Exploring Operation: 81-2=79, Resulting Numbers: [18, 79] Generated Node #0,2,0: 90:[18, 79] Operation: 81-2=79 Exploring Operation: 81+2=83, Resulting Numbers: [18, 83] Generated Node #0,2,1: 90:[18, 83] Operation: 81+2=83 Exploring Operation: 81+18=99, Resulting Numbers: [2, 99] Generated Node #0,2,2: 90:[2, 99] Operation: 81+18=99 Exploring Operation: 18-2=16, Resulting Numbers: [81, 16] Generated Node #0,2,3: 90:[81, 16] Operation: 18-2=16 Exploring Operation: 18/2=9, Resulting Numbers: [81, 9] Generated Node #0,2,4: 90:[81, 9] Operation: 18/2=9 Moving to Node #0,3 Current State: 90:[18, 60, 19], Operations: ['81-62=19'] Exploring Operation: 60+19=79, Resulting Numbers: [18, 79] Generated Node #0,3,0: 90:[18, 79] Operation: 60+19=79 Exploring Operation: 60-19=41, Resulting Numbers: [18, 41] Generated Node #0,3,1: 90:[18, 41] Operation: 60-19=41 Exploring Operation: 19-18=1, Resulting Numbers: [60, 1] Generated Node #0,3,2: 90:[60, 1] Operation: 19-18=1 Exploring Operation: 60-18=42, Resulting Numbers: [19, 42] Generated Node #0,3,3: 90:[19, 42] Operation: 60-18=42 Exploring Operation: 18+60=78, Resulting Numbers: [19, 78] Generated Node #0,3,4: 90:[19, 78] Operation: 18+60=78 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 90:[18, 41], Operations: ['81-62=19', '60-19=41'] Exploring Operation: 18*41=738, Resulting Numbers: [738] 738,90 unequal: No Solution Exploring Operation: 41-18=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 18+41=59, Resulting Numbers: [59] 59,90 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 #0,3,3 Current State: 90:[19, 42], Operations: ['81-62=19', '60-18=42'] Exploring Operation: 19+42=61, Resulting Numbers: [61] 61,90 unequal: No Solution Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 19*42=798, Resulting Numbers: [798] 798,90 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 #0,3,0 Current State: 90:[18, 79], Operations: ['81-62=19', '60+19=79'] Exploring Operation: 79-18=61, Resulting Numbers: [61] 61,90 unequal: No Solution Exploring Operation: 18*79=1422, Resulting Numbers: [1422] 1422,90 unequal: No Solution Exploring Operation: 18+79=97, Resulting Numbers: [97] 97,90 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 #0,3,4 Current State: 90:[19, 78], Operations: ['81-62=19', '18+60=78'] Exploring Operation: 19+78=97, Resulting Numbers: [97] 97,90 unequal: No Solution Exploring Operation: 78-19=59, Resulting Numbers: [59] 59,90 unequal: No Solution Exploring Operation: 19*78=1482, Resulting Numbers: [1482] 1482,90 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 #0,3,2 Current State: 90:[60, 1], Operations: ['81-62=19', '19-18=1'] Exploring Operation: 60+1=61, Resulting Numbers: [61] 61,90 unequal: No Solution Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,90 unequal: No Solution Exploring Operation: 60*1=60, Resulting Numbers: [60] 60,90 unequal: No Solution Exploring Operation: 60/1=60, Resulting Numbers: [60] 60,90 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: 90:[62, 18, 21], Operations: ['81-60=21'] Exploring Operation: 62+21=83, Resulting Numbers: [18, 83] Generated Node #0,4,0: 90:[18, 83] Operation: 62+21=83 Exploring Operation: 21-18=3, Resulting Numbers: [62, 3] Generated Node #0,4,1: 90:[62, 3] Operation: 21-18=3 Exploring Operation: 62-18=44, Resulting Numbers: [21, 44] Generated Node #0,4,2: 90:[21, 44] Operation: 62-18=44 Exploring Operation: 62-21=41, Resulting Numbers: [18, 41] Generated Node #0,4,3: 90:[18, 41] Operation: 62-21=41 Exploring Operation: 62+18=80, Resulting Numbers: [21, 80] Generated Node #0,4,4: 90:[21, 80] Operation: 62+18=80 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 90:[21, 44], Operations: ['81-60=21', '62-18=44'] Exploring Operation: 21*44=924, Resulting Numbers: [924] 924,90 unequal: No Solution Exploring Operation: 21+44=65, Resulting Numbers: [65] 65,90 unequal: No Solution Exploring Operation: 44-21=23, Resulting Numbers: [23] 23,90 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 #0,4,3 Current State: 90:[18, 41], Operations: ['81-60=21', '62-21=41'] Exploring Operation: 41-18=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 18+41=59, Resulting Numbers: [59] 59,90 unequal: No Solution Exploring Operation: 18*41=738, Resulting Numbers: [738] 738,90 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 #0,4,0 Current State: 90:[18, 83], Operations: ['81-60=21', '62+21=83'] Exploring Operation: 83-18=65, Resulting Numbers: [65] 65,90 unequal: No Solution Exploring Operation: 18*83=1494, Resulting Numbers: [1494] 1494,90 unequal: No Solution Exploring Operation: 18+83=101, Resulting Numbers: [101] 101,90 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 #0,4,4 Current State: 90:[21, 80], Operations: ['81-60=21', '62+18=80'] Exploring Operation: 21*80=1680, Resulting Numbers: [1680] 1680,90 unequal: No Solution Exploring Operation: 80-21=59, Resulting Numbers: [59] 59,90 unequal: No Solution Exploring Operation: 21+80=101, Resulting Numbers: [101] 101,90 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 #0,4,1 Current State: 90:[62, 3], Operations: ['81-60=21', '21-18=3'] Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,90 unequal: No Solution Exploring Operation: 62*3=186, Resulting Numbers: [186] 186,90 unequal: No Solution Exploring Operation: 62+3=65, Resulting Numbers: [65] 65,90 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: 90:[81, 60, 44], Operations: ['62-18=44'] Exploring Operation: 81-60=21, Resulting Numbers: [44, 21] Generated Node #0,1,0: 90:[44, 21] Operation: 81-60=21 Exploring Operation: 60+44=104, Resulting Numbers: [81, 104] Generated Node #0,1,1: 90:[81, 104] Operation: 60+44=104 Exploring Operation: 60-44=16, Resulting Numbers: [81, 16] Generated Node #0,1,2: 90:[81, 16] Operation: 60-44=16 Exploring Operation: 81-44=37, Resulting Numbers: [60, 37] Generated Node #0,1,3: 90:[60, 37] Operation: 81-44=37 Exploring Operation: 81+44=125, Resulting Numbers: [60, 125] Generated Node #0,1,4: 90:[60, 125] Operation: 81+44=125 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 90:[44, 21], Operations: ['62-18=44', '81-60=21'] Exploring Operation: 44-21=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 44*21=924, Resulting Numbers: [924] 924,90 unequal: No Solution Exploring Operation: 44+21=65, Resulting Numbers: [65] 65,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 90:[81, 16], Operations: ['62-18=44', '60-44=16'] Exploring Operation: 81+16=97, Resulting Numbers: [97] 97,90 unequal: No Solution Exploring Operation: 81*16=1296, Resulting Numbers: [1296] 1296,90 unequal: No Solution Exploring Operation: 81-16=65, Resulting Numbers: [65] 65,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 90:[60, 37], Operations: ['62-18=44', '81-44=37'] Exploring Operation: 60*37=2220, Resulting Numbers: [2220] 2220,90 unequal: No Solution Exploring Operation: 60+37=97, Resulting Numbers: [97] 97,90 unequal: No Solution Exploring Operation: 60-37=23, Resulting Numbers: [23] 23,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 90:[81, 104], Operations: ['62-18=44', '60+44=104'] Exploring Operation: 104-81=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 81+104=185, Resulting Numbers: [185] 185,90 unequal: No Solution Exploring Operation: 81*104=8424, Resulting Numbers: [8424] 8424,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 90:[60, 125], Operations: ['62-18=44', '81+44=125'] Exploring Operation: 125-60=65, Resulting Numbers: [65] 65,90 unequal: No Solution Exploring Operation: 60*125=7500, Resulting Numbers: [7500] 7500,90 unequal: No Solution Exploring Operation: 60+125=185, Resulting Numbers: [185] 185,90 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: 90:[81, 62, 42], Operations: ['60-18=42'] Exploring Operation: 62-42=20, Resulting Numbers: [81, 20] Generated Node #0,0,0: 90:[81, 20] Operation: 62-42=20 Exploring Operation: 81-62=19, Resulting Numbers: [42, 19] Generated Node #0,0,1: 90:[42, 19] Operation: 81-62=19 Exploring Operation: 81+42=123, Resulting Numbers: [62, 123] Generated Node #0,0,2: 90:[62, 123] Operation: 81+42=123 Exploring Operation: 81-42=39, Resulting Numbers: [62, 39] Generated Node #0,0,3: 90:[62, 39] Operation: 81-42=39 Exploring Operation: 62+42=104, Resulting Numbers: [81, 104] Generated Node #0,0,4: 90:[81, 104] Operation: 62+42=104 Moving to Node #0,0,1 Current State: 90:[42, 19], Operations: ['60-18=42', '81-62=19'] Exploring Operation: 42*19=798, Resulting Numbers: [798] 798,90 unequal: No Solution Exploring Operation: 42+19=61, Resulting Numbers: [61] 61,90 unequal: No Solution Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[18, 83], Operations: ['62-60=2', '81+2=83'] Exploring Operation: 18+83=101, Resulting Numbers: [101] 101,90 unequal: No Solution Exploring Operation: 18*83=1494, Resulting Numbers: [1494] 1494,90 unequal: No Solution Exploring Operation: 83-18=65, Resulting Numbers: [65] 65,90 unequal: No Solution Moving to Node #0,2,4 Current State: 90:[81, 9], Operations: ['62-60=2', '18/2=9'] Exploring Operation: 81*9=729, Resulting Numbers: [729] 729,90 unequal: No Solution Exploring Operation: 81-9=72, Resulting Numbers: [72] 72,90 unequal: No Solution Exploring Operation: 81+9=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[81, 62, 18, 60], Operations: [] Exploring Operation: 62-60=2, Resulting Numbers: [81, 18, 2] Generated Node #0,2: 90:[81, 18, 2] Operation: 62-60=2 Moving to Node #0,2 Current State: 90:[81, 18, 2], Operations: ['62-60=2'] Exploring Operation: 18/2=9, Resulting Numbers: [81, 9] Generated Node #0,2,4: 90:[81, 9] Operation: 18/2=9 Moving to Node #0,2,4 Current State: 90:[81, 9], Operations: ['62-60=2', '18/2=9'] Exploring Operation: 81+9=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
0.922743
hs_5
sum_heuristic
[ 49, 58, 5, 5 ]
90
[ "58-49=9", "5+5=10", "9*10=90" ]
Current State: 90:[49, 58, 5, 5], Operations: [] Exploring Operation: 58-49=9, Resulting Numbers: [5, 5, 9] Generated Node #2: [5, 5, 9] from Operation: 58-49=9 Current State: 90:[5, 5, 9], Operations: ['58-49=9'] Exploring Operation: 5+5=10, Resulting Numbers: [9, 10] Generated Node #3: [9, 10] from Operation: 5+5=10 Current State: 90:[9, 10], Operations: ['58-49=9', '5+5=10'] Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[49, 58, 5, 5], Operations: [] Exploring Operation: 58-49=9, Resulting Numbers: [5, 5, 9] Generated Node #0,0: 90:[5, 5, 9] Operation: 58-49=9 Exploring Operation: 58-5=53, Resulting Numbers: [49, 5, 53] Generated Node #0,1: 90:[49, 5, 53] Operation: 58-5=53 Exploring Operation: 58-5=53, Resulting Numbers: [49, 5, 53] Generated Node #0,2: 90:[49, 5, 53] Operation: 58-5=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[5, 5, 9], Operations: ['58-49=9'] Exploring Operation: 5+5=10, Resulting Numbers: [9, 10] Generated Node #0,0,0: 90:[9, 10] Operation: 5+5=10 Exploring Operation: 5*9=45, Resulting Numbers: [5, 45] Generated Node #0,0,1: 90:[5, 45] Operation: 5*9=45 Exploring Operation: 5*9=45, Resulting Numbers: [5, 45] Generated Node #0,0,2: 90:[5, 45] Operation: 5*9=45 Moving to Node #0,0,0 Current State: 90:[9, 10], Operations: ['58-49=9', '5+5=10'] Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[49, 58, 5, 5], Operations: [] Exploring Operation: 58-49=9, Resulting Numbers: [5, 5, 9] Generated Node #0,0: 90:[5, 5, 9] Operation: 58-49=9 Moving to Node #0,0 Current State: 90:[5, 5, 9], Operations: ['58-49=9'] Exploring Operation: 5+5=10, Resulting Numbers: [9, 10] Generated Node #0,0,0: 90:[9, 10] Operation: 5+5=10 Moving to Node #0,0,0 Current State: 90:[9, 10], Operations: ['58-49=9', '5+5=10'] Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 37, 16, 56, 35 ]
24
[ "37-35=2", "16*2=32", "56-32=24" ]
Current State: 24:[37, 16, 56, 35], Operations: [] Exploring Operation: 37-35=2, Resulting Numbers: [16, 56, 2] Generated Node #2: [16, 56, 2] from Operation: 37-35=2 Current State: 24:[16, 56, 2], Operations: ['37-35=2'] Exploring Operation: 16*2=32, Resulting Numbers: [56, 32] Generated Node #3: [56, 32] from Operation: 16*2=32 Current State: 24:[56, 32], Operations: ['37-35=2', '16*2=32'] Exploring Operation: 56-32=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[37, 16, 56, 35], Operations: [] Exploring Operation: 56-35=21, Resulting Numbers: [37, 16, 21] Generated Node #0,0: 24:[37, 16, 21] Operation: 56-35=21 Exploring Operation: 37-35=2, Resulting Numbers: [16, 56, 2] Generated Node #0,1: 24:[16, 56, 2] Operation: 37-35=2 Exploring Operation: 56-37=19, Resulting Numbers: [16, 35, 19] Generated Node #0,2: 24:[16, 35, 19] Operation: 56-37=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[37, 16, 21], Operations: ['56-35=21'] Exploring Operation: 37-21=16, Resulting Numbers: [16, 16] Generated Node #0,0,0: 24:[16, 16] Operation: 37-21=16 Exploring Operation: 37-16=21, Resulting Numbers: [21, 21] Generated Node #0,0,1: 24:[21, 21] Operation: 37-16=21 Exploring Operation: 21-16=5, Resulting Numbers: [37, 5] Generated Node #0,0,2: 24:[37, 5] Operation: 21-16=5 Moving to Node #0,0,1 Current State: 24:[21, 21], Operations: ['56-35=21', '37-16=21'] Exploring Operation: 21/21=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 21-21=0, Resulting Numbers: [0] 0,24 unequal: No Solution Exploring Operation: 21+21=42, Resulting Numbers: [42] 42,24 unequal: No Solution Moving to Node #0,0,0 Current State: 24:[16, 16], Operations: ['56-35=21', '37-21=16'] Exploring Operation: 16-16=0, Resulting Numbers: [0] 0,24 unequal: No Solution Exploring Operation: 16+16=32, Resulting Numbers: [32] 32,24 unequal: No Solution Exploring Operation: 16/16=1, Resulting Numbers: [1] 1,24 unequal: No Solution Moving to Node #0,0,2 Current State: 24:[37, 5], Operations: ['56-35=21', '21-16=5'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,24 unequal: No Solution Exploring Operation: 37+5=42, Resulting Numbers: [42] 42,24 unequal: No Solution Exploring Operation: 37*5=185, Resulting Numbers: [185] 185,24 unequal: No Solution No 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: 24:[16, 35, 19], Operations: ['56-37=19'] Exploring Operation: 35-16=19, Resulting Numbers: [19, 19] Generated Node #0,2,0: 24:[19, 19] Operation: 35-16=19 Exploring Operation: 35-19=16, Resulting Numbers: [16, 16] Generated Node #0,2,1: 24:[16, 16] Operation: 35-19=16 Exploring Operation: 19-16=3, Resulting Numbers: [35, 3] Generated Node #0,2,2: 24:[35, 3] Operation: 19-16=3 Moving to Node #0,2,1 Current State: 24:[16, 16], Operations: ['56-37=19', '35-19=16'] Exploring Operation: 16+16=32, Resulting Numbers: [32] 32,24 unequal: No Solution Exploring Operation: 16/16=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 16-16=0, Resulting Numbers: [0] 0,24 unequal: No Solution Moving to Node #0,2,0 Current State: 24:[19, 19], Operations: ['56-37=19', '35-16=19'] Exploring Operation: 19/19=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 19-19=0, Resulting Numbers: [0] 0,24 unequal: No Solution Exploring Operation: 19+19=38, Resulting Numbers: [38] 38,24 unequal: No Solution Moving to Node #0,2,2 Current State: 24:[35, 3], Operations: ['56-37=19', '19-16=3'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,24 unequal: No Solution Exploring Operation: 35*3=105, Resulting Numbers: [105] 105,24 unequal: No Solution Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,24 unequal: No Solution No 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: 24:[16, 56, 2], Operations: ['37-35=2'] Exploring Operation: 16/2=8, Resulting Numbers: [56, 8] Generated Node #0,1,0: 24:[56, 8] Operation: 16/2=8 Exploring Operation: 56/2=28, Resulting Numbers: [16, 28] Generated Node #0,1,1: 24:[16, 28] Operation: 56/2=28 Exploring Operation: 56-16=40, Resulting Numbers: [2, 40] Generated Node #0,1,2: 24:[2, 40] Operation: 56-16=40 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 24:[16, 28], Operations: ['37-35=2', '56/2=28'] Exploring Operation: 16*28=448, Resulting Numbers: [448] 448,24 unequal: No Solution Exploring Operation: 16+28=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,24 unequal: No Solution No 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: 24:[2, 40], Operations: ['37-35=2', '56-16=40'] Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,24 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,24 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,24 unequal: No Solution No 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: 24:[56, 8], Operations: ['37-35=2', '16/2=8'] Exploring Operation: 56+8=64, Resulting Numbers: [64] 64,24 unequal: No Solution Exploring Operation: 56/8=7, Resulting Numbers: [7] 7,24 unequal: No Solution Exploring Operation: 56-8=48, Resulting Numbers: [48] 48,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 49, 63, 74, 9 ]
69
[ "63-49=14", "74+9=83", "83-14=69" ]
Current State: 69:[49, 63, 74, 9], Operations: [] Exploring Operation: 63-49=14, Resulting Numbers: [74, 9, 14] Generated Node #2: [74, 9, 14] from Operation: 63-49=14 Current State: 69:[74, 9, 14], Operations: ['63-49=14'] Exploring Operation: 74+9=83, Resulting Numbers: [14, 83] Generated Node #3: [14, 83] from Operation: 74+9=83 Current State: 69:[14, 83], Operations: ['63-49=14', '74+9=83'] Exploring Operation: 83-14=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[49, 63, 74, 9], Operations: [] Exploring Operation: 49+9=58, Resulting Numbers: [63, 74, 58] Generated Node #0,0: 69:[63, 74, 58] Operation: 49+9=58 Exploring Operation: 74-49=25, Resulting Numbers: [63, 9, 25] Generated Node #0,1: 69:[63, 9, 25] Operation: 74-49=25 Exploring Operation: 63-49=14, Resulting Numbers: [74, 9, 14] Generated Node #0,2: 69:[74, 9, 14] Operation: 63-49=14 Exploring Operation: 49-9=40, Resulting Numbers: [63, 74, 40] Generated Node #0,3: 69:[63, 74, 40] Operation: 49-9=40 Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[63, 9, 25], Operations: ['74-49=25'] Exploring Operation: 25-9=16, Resulting Numbers: [63, 16] Generated Node #0,1,0: 69:[63, 16] Operation: 25-9=16 Exploring Operation: 63/9=7, Resulting Numbers: [25, 7] Generated Node #0,1,1: 69:[25, 7] Operation: 63/9=7 Exploring Operation: 63-9=54, Resulting Numbers: [25, 54] Generated Node #0,1,2: 69:[25, 54] Operation: 63-9=54 Exploring Operation: 63+9=72, Resulting Numbers: [25, 72] Generated Node #0,1,3: 69:[25, 72] Operation: 63+9=72 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 69:[25, 72], Operations: ['74-49=25', '63+9=72'] Exploring Operation: 25+72=97, Resulting Numbers: [97] 97,69 unequal: No Solution Exploring Operation: 25*72=1800, Resulting Numbers: [1800] 1800,69 unequal: No Solution Exploring Operation: 72-25=47, Resulting Numbers: [47] 47,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 69:[25, 7], Operations: ['74-49=25', '63/9=7'] Exploring Operation: 25+7=32, Resulting Numbers: [32] 32,69 unequal: No Solution Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,69 unequal: No Solution Exploring Operation: 25*7=175, Resulting Numbers: [175] 175,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 69:[63, 16], Operations: ['74-49=25', '25-9=16'] Exploring Operation: 63*16=1008, Resulting Numbers: [1008] 1008,69 unequal: No Solution Exploring Operation: 63-16=47, Resulting Numbers: [47] 47,69 unequal: No Solution Exploring Operation: 63+16=79, Resulting Numbers: [79] 79,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 69:[25, 54], Operations: ['74-49=25', '63-9=54'] Exploring Operation: 54-25=29, Resulting Numbers: [29] 29,69 unequal: No Solution Exploring Operation: 25+54=79, Resulting Numbers: [79] 79,69 unequal: No Solution Exploring Operation: 25*54=1350, Resulting Numbers: [1350] 1350,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 69:[74, 9, 14], Operations: ['63-49=14'] Exploring Operation: 9+14=23, Resulting Numbers: [74, 23] Generated Node #0,2,0: 69:[74, 23] Operation: 9+14=23 Exploring Operation: 14-9=5, Resulting Numbers: [74, 5] Generated Node #0,2,1: 69:[74, 5] Operation: 14-9=5 Exploring Operation: 74-9=65, Resulting Numbers: [14, 65] Generated Node #0,2,2: 69:[14, 65] Operation: 74-9=65 Exploring Operation: 74-14=60, Resulting Numbers: [9, 60] Generated Node #0,2,3: 69:[9, 60] Operation: 74-14=60 Moving to Node #0,2,0 Current State: 69:[74, 23], Operations: ['63-49=14', '9+14=23'] Exploring Operation: 74-23=51, Resulting Numbers: [51] 51,69 unequal: No Solution Exploring Operation: 74+23=97, Resulting Numbers: [97] 97,69 unequal: No Solution Exploring Operation: 74*23=1702, Resulting Numbers: [1702] 1702,69 unequal: No Solution Moving to Node #0,2,1 Current State: 69:[74, 5], Operations: ['63-49=14', '14-9=5'] Exploring Operation: 74-5=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[49, 63, 74, 9], Operations: [] Exploring Operation: 63-49=14, Resulting Numbers: [74, 9, 14] Generated Node #0,2: 69:[74, 9, 14] Operation: 63-49=14 Moving to Node #0,2 Current State: 69:[74, 9, 14], Operations: ['63-49=14'] Exploring Operation: 14-9=5, Resulting Numbers: [74, 5] Generated Node #0,2,1: 69:[74, 5] Operation: 14-9=5 Moving to Node #0,2,1 Current State: 69:[74, 5], Operations: ['63-49=14', '14-9=5'] Exploring Operation: 74-5=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_4
sum_heuristic
[ 39, 34, 15, 41 ]
31
[ "39-34=5", "41-15=26", "5+26=31" ]
Current State: 31:[39, 34, 15, 41], Operations: [] Exploring Operation: 39-34=5, Resulting Numbers: [15, 41, 5] Generated Node #2: [15, 41, 5] from Operation: 39-34=5 Current State: 31:[15, 41, 5], Operations: ['39-34=5'] Exploring Operation: 41-15=26, Resulting Numbers: [5, 26] Generated Node #3: [5, 26] from Operation: 41-15=26 Current State: 31:[5, 26], Operations: ['39-34=5', '41-15=26'] Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[39, 34, 15, 41], Operations: [] Exploring Operation: 39-15=24, Resulting Numbers: [34, 41, 24] Generated Node #0,0: 31:[34, 41, 24] Operation: 39-15=24 Exploring Operation: 39+15=54, Resulting Numbers: [34, 41, 54] Generated Node #0,1: 31:[34, 41, 54] Operation: 39+15=54 Exploring Operation: 34-15=19, Resulting Numbers: [39, 41, 19] Generated Node #0,2: 31:[39, 41, 19] Operation: 34-15=19 Exploring Operation: 41-15=26, Resulting Numbers: [39, 34, 26] Generated Node #0,3: 31:[39, 34, 26] Operation: 41-15=26 Start Sub Search at level 1: Moving to Node #0,3 Current State: 31:[39, 34, 26], Operations: ['41-15=26'] Exploring Operation: 39+26=65, Resulting Numbers: [34, 65] Generated Node #0,3,0: 31:[34, 65] Operation: 39+26=65 Exploring Operation: 39-34=5, Resulting Numbers: [26, 5] Generated Node #0,3,1: 31:[26, 5] Operation: 39-34=5 Exploring Operation: 39-26=13, Resulting Numbers: [34, 13] Generated Node #0,3,2: 31:[34, 13] Operation: 39-26=13 Exploring Operation: 34-26=8, Resulting Numbers: [39, 8] Generated Node #0,3,3: 31:[39, 8] Operation: 34-26=8 Moving to Node #0,3,2 Current State: 31:[34, 13], Operations: ['41-15=26', '39-26=13'] Exploring Operation: 34+13=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 34-13=21, Resulting Numbers: [21] 21,31 unequal: No Solution Exploring Operation: 34*13=442, Resulting Numbers: [442] 442,31 unequal: No Solution Moving to Node #0,3,3 Current State: 31:[39, 8], Operations: ['41-15=26', '34-26=8'] Exploring Operation: 39*8=312, Resulting Numbers: [312] 312,31 unequal: No Solution Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[39, 34, 15, 41], Operations: [] Exploring Operation: 41-15=26, Resulting Numbers: [39, 34, 26] Generated Node #0,3: 31:[39, 34, 26] Operation: 41-15=26 Moving to Node #0,3 Current State: 31:[39, 34, 26], Operations: ['41-15=26'] Exploring Operation: 34-26=8, Resulting Numbers: [39, 8] Generated Node #0,3,3: 31:[39, 8] Operation: 34-26=8 Moving to Node #0,3,3 Current State: 31:[39, 8], Operations: ['41-15=26', '34-26=8'] Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 23, 64, 11, 28 ]
44
[ "64+28=92", "92/23=4", "11*4=44" ]
Current State: 44:[23, 64, 11, 28], Operations: [] Exploring Operation: 64+28=92, Resulting Numbers: [23, 11, 92] Generated Node #2: [23, 11, 92] from Operation: 64+28=92 Current State: 44:[23, 11, 92], Operations: ['64+28=92'] Exploring Operation: 92/23=4, Resulting Numbers: [11, 4] Generated Node #3: [11, 4] from Operation: 92/23=4 Current State: 44:[11, 4], Operations: ['64+28=92', '92/23=4'] Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[23, 64, 11, 28], Operations: [] Exploring Operation: 11+28=39, Resulting Numbers: [23, 64, 39] Generated Node #0,0: 44:[23, 64, 39] Operation: 11+28=39 Exploring Operation: 64-28=36, Resulting Numbers: [23, 11, 36] Generated Node #0,1: 44:[23, 11, 36] Operation: 64-28=36 Exploring Operation: 64-23=41, Resulting Numbers: [11, 28, 41] Generated Node #0,2: 44:[11, 28, 41] Operation: 64-23=41 Exploring Operation: 28-23=5, Resulting Numbers: [64, 11, 5] Generated Node #0,3: 44:[64, 11, 5] Operation: 28-23=5 Exploring Operation: 64-11=53, Resulting Numbers: [23, 28, 53] Generated Node #0,4: 44:[23, 28, 53] Operation: 64-11=53 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[23, 11, 36], Operations: ['64-28=36'] Exploring Operation: 11+36=47, Resulting Numbers: [23, 47] Generated Node #0,1,0: 44:[23, 47] Operation: 11+36=47 Exploring Operation: 36-11=25, Resulting Numbers: [23, 25] Generated Node #0,1,1: 44:[23, 25] Operation: 36-11=25 Exploring Operation: 23+36=59, Resulting Numbers: [11, 59] Generated Node #0,1,2: 44:[11, 59] Operation: 23+36=59 Exploring Operation: 36-23=13, Resulting Numbers: [11, 13] Generated Node #0,1,3: 44:[11, 13] Operation: 36-23=13 Exploring Operation: 23-11=12, Resulting Numbers: [36, 12] Generated Node #0,1,4: 44:[36, 12] Operation: 23-11=12 Moving to Node #0,1,3 Current State: 44:[11, 13], Operations: ['64-28=36', '36-23=13'] Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 11*13=143, Resulting Numbers: [143] 143,44 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,44 unequal: No Solution Moving to Node #0,1,1 Current State: 44:[23, 25], Operations: ['64-28=36', '36-11=25'] Exploring Operation: 23*25=575, Resulting Numbers: [575] 575,44 unequal: No Solution Exploring Operation: 23+25=48, Resulting Numbers: [48] 48,44 unequal: No Solution Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[23, 47], Operations: ['64-28=36', '11+36=47'] Exploring Operation: 23+47=70, Resulting Numbers: [70] 70,44 unequal: No Solution Exploring Operation: 47-23=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 23*47=1081, Resulting Numbers: [1081] 1081,44 unequal: No Solution Moving to Node #0,1,4 Current State: 44:[36, 12], Operations: ['64-28=36', '23-11=12'] Exploring Operation: 36+12=48, Resulting Numbers: [48] 48,44 unequal: No Solution Exploring Operation: 36*12=432, Resulting Numbers: [432] 432,44 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,44 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,44 unequal: No Solution Moving to Node #0,1,2 Current State: 44:[11, 59], Operations: ['64-28=36', '23+36=59'] Exploring Operation: 11*59=649, Resulting Numbers: [649] 649,44 unequal: No Solution Exploring Operation: 11+59=70, Resulting Numbers: [70] 70,44 unequal: No Solution Exploring Operation: 59-11=48, Resulting Numbers: [48] 48,44 unequal: No Solution No 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: 44:[11, 28, 41], Operations: ['64-23=41'] Exploring Operation: 41-11=30, Resulting Numbers: [28, 30] Generated Node #0,2,0: 44:[28, 30] Operation: 41-11=30 Exploring Operation: 41-28=13, Resulting Numbers: [11, 13] Generated Node #0,2,1: 44:[11, 13] Operation: 41-28=13 Exploring Operation: 11+28=39, Resulting Numbers: [41, 39] Generated Node #0,2,2: 44:[41, 39] Operation: 11+28=39 Exploring Operation: 11+41=52, Resulting Numbers: [28, 52] Generated Node #0,2,3: 44:[28, 52] Operation: 11+41=52 Exploring Operation: 28-11=17, Resulting Numbers: [41, 17] Generated Node #0,2,4: 44:[41, 17] Operation: 28-11=17 Moving to Node #0,2,1 Current State: 44:[11, 13], Operations: ['64-23=41', '41-28=13'] Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 11*13=143, Resulting Numbers: [143] 143,44 unequal: No Solution Moving to Node #0,2,4 Current State: 44:[41, 17], Operations: ['64-23=41', '28-11=17'] Exploring Operation: 41*17=697, Resulting Numbers: [697] 697,44 unequal: No Solution Exploring Operation: 41+17=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,44 unequal: No Solution Moving to Node #0,2,2 Current State: 44:[41, 39], Operations: ['64-23=41', '11+28=39'] Exploring Operation: 41+39=80, Resulting Numbers: [80] 80,44 unequal: No Solution Exploring Operation: 41*39=1599, Resulting Numbers: [1599] 1599,44 unequal: No Solution Exploring Operation: 41-39=2, Resulting Numbers: [2] 2,44 unequal: No Solution Moving to Node #0,2,0 Current State: 44:[28, 30], Operations: ['64-23=41', '41-11=30'] Exploring Operation: 28+30=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 28*30=840, Resulting Numbers: [840] 840,44 unequal: No Solution Moving to Node #0,2,3 Current State: 44:[28, 52], Operations: ['64-23=41', '11+41=52'] Exploring Operation: 28+52=80, Resulting Numbers: [80] 80,44 unequal: No Solution Exploring Operation: 52-28=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 28*52=1456, Resulting Numbers: [1456] 1456,44 unequal: No Solution No 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: 44:[23, 28, 53], Operations: ['64-11=53'] Exploring Operation: 53-23=30, Resulting Numbers: [28, 30] Generated Node #0,4,0: 44:[28, 30] Operation: 53-23=30 Exploring Operation: 23+53=76, Resulting Numbers: [28, 76] Generated Node #0,4,1: 44:[28, 76] Operation: 23+53=76 Exploring Operation: 53-28=25, Resulting Numbers: [23, 25] Generated Node #0,4,2: 44:[23, 25] Operation: 53-28=25 Exploring Operation: 28-23=5, Resulting Numbers: [53, 5] Generated Node #0,4,3: 44:[53, 5] Operation: 28-23=5 Exploring Operation: 23+28=51, Resulting Numbers: [53, 51] Generated Node #0,4,4: 44:[53, 51] Operation: 23+28=51 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 44:[23, 25], Operations: ['64-11=53', '53-28=25'] Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 23*25=575, Resulting Numbers: [575] 575,44 unequal: No Solution Exploring Operation: 23+25=48, Resulting Numbers: [48] 48,44 unequal: No Solution No 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: 44:[53, 5], Operations: ['64-11=53', '28-23=5'] Exploring Operation: 53*5=265, Resulting Numbers: [265] 265,44 unequal: No Solution Exploring Operation: 53+5=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,44 unequal: No Solution No 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: 44:[28, 30], Operations: ['64-11=53', '53-23=30'] Exploring Operation: 28+30=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 28*30=840, Resulting Numbers: [840] 840,44 unequal: No Solution Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,44 unequal: No Solution No 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: 44:[53, 51], Operations: ['64-11=53', '23+28=51'] Exploring Operation: 53*51=2703, Resulting Numbers: [2703] 2703,44 unequal: No Solution Exploring Operation: 53+51=104, Resulting Numbers: [104] 104,44 unequal: No Solution Exploring Operation: 53-51=2, Resulting Numbers: [2] 2,44 unequal: No Solution No 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: 44:[28, 76], Operations: ['64-11=53', '23+53=76'] Exploring Operation: 28*76=2128, Resulting Numbers: [2128] 2128,44 unequal: No Solution Exploring Operation: 28+76=104, Resulting Numbers: [104] 104,44 unequal: No Solution Exploring Operation: 76-28=48, Resulting Numbers: [48] 48,44 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 Start Sub Search at level 1: Moving to Node #0,3 Current State: 44:[64, 11, 5], Operations: ['28-23=5'] Exploring Operation: 64+5=69, Resulting Numbers: [11, 69] Generated Node #0,3,0: 44:[11, 69] Operation: 64+5=69 Exploring Operation: 64-5=59, Resulting Numbers: [11, 59] Generated Node #0,3,1: 44:[11, 59] Operation: 64-5=59 Exploring Operation: 64-11=53, Resulting Numbers: [5, 53] Generated Node #0,3,2: 44:[5, 53] Operation: 64-11=53 Exploring Operation: 11-5=6, Resulting Numbers: [64, 6] Generated Node #0,3,3: 44:[64, 6] Operation: 11-5=6 Exploring Operation: 11+5=16, Resulting Numbers: [64, 16] Generated Node #0,3,4: 44:[64, 16] Operation: 11+5=16 Moving to Node #0,3,2 Current State: 44:[5, 53], Operations: ['28-23=5', '64-11=53'] Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,44 unequal: No Solution Exploring Operation: 5*53=265, Resulting Numbers: [265] 265,44 unequal: No Solution Exploring Operation: 5+53=58, Resulting Numbers: [58] 58,44 unequal: No Solution Moving to Node #0,3,1 Current State: 44:[11, 59], Operations: ['28-23=5', '64-5=59'] Exploring Operation: 11+59=70, Resulting Numbers: [70] 70,44 unequal: No Solution Exploring Operation: 11*59=649, Resulting Numbers: [649] 649,44 unequal: No Solution Exploring Operation: 59-11=48, Resulting Numbers: [48] 48,44 unequal: No Solution Moving to Node #0,3,3 Current State: 44:[64, 6], Operations: ['28-23=5', '11-5=6'] Exploring Operation: 64+6=70, Resulting Numbers: [70] 70,44 unequal: No Solution Exploring Operation: 64*6=384, Resulting Numbers: [384] 384,44 unequal: No Solution Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,44 unequal: No Solution Moving to Node #0,3,0 Current State: 44:[11, 69], Operations: ['28-23=5', '64+5=69'] Exploring Operation: 11+69=80, Resulting Numbers: [80] 80,44 unequal: No Solution Exploring Operation: 69-11=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 11*69=759, Resulting Numbers: [759] 759,44 unequal: No Solution Moving to Node #0,3,4 Current State: 44:[64, 16], Operations: ['28-23=5', '11+5=16'] Exploring Operation: 64+16=80, Resulting Numbers: [80] 80,44 unequal: No Solution Exploring Operation: 64*16=1024, Resulting Numbers: [1024] 1024,44 unequal: No Solution Exploring Operation: 64-16=48, Resulting Numbers: [48] 48,44 unequal: No Solution Exploring Operation: 64/16=4, Resulting Numbers: [4] 4,44 unequal: No Solution No 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: 44:[23, 64, 39], Operations: ['11+28=39'] Exploring Operation: 64-39=25, Resulting Numbers: [23, 25] Generated Node #0,0,0: 44:[23, 25] Operation: 64-39=25 Exploring Operation: 23+39=62, Resulting Numbers: [64, 62] Generated Node #0,0,1: 44:[64, 62] Operation: 23+39=62 Exploring Operation: 23+64=87, Resulting Numbers: [39, 87] Generated Node #0,0,2: 44:[39, 87] Operation: 23+64=87 Exploring Operation: 64-23=41, Resulting Numbers: [39, 41] Generated Node #0,0,3: 44:[39, 41] Operation: 64-23=41 Exploring Operation: 39-23=16, Resulting Numbers: [64, 16] Generated Node #0,0,4: 44:[64, 16] Operation: 39-23=16 Moving to Node #0,0,0 Current State: 44:[23, 25], Operations: ['11+28=39', '64-39=25'] Exploring Operation: 23*25=575, Resulting Numbers: [575] 575,44 unequal: No Solution Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 23+25=48, Resulting Numbers: [48] 48,44 unequal: No Solution Moving to Node #0,0,3 Current State: 44:[39, 41], Operations: ['11+28=39', '64-23=41'] Exploring Operation: 41-39=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 39+41=80, Resulting Numbers: [80] 80,44 unequal: No Solution Exploring Operation: 39*41=1599, Resulting Numbers: [1599] 1599,44 unequal: No Solution Moving to Node #0,0,4 Current State: 44:[64, 16], Operations: ['11+28=39', '39-23=16'] Exploring Operation: 64-16=48, Resulting Numbers: [48] 48,44 unequal: No Solution Exploring Operation: 64*16=1024, Resulting Numbers: [1024] 1024,44 unequal: No Solution Exploring Operation: 64+16=80, Resulting Numbers: [80] 80,44 unequal: No Solution Exploring Operation: 64/16=4, Resulting Numbers: [4] 4,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[64, 62], Operations: ['11+28=39', '23+39=62'] Exploring Operation: 64+62=126, Resulting Numbers: [126] 126,44 unequal: No Solution Exploring Operation: 64-62=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 64*62=3968, Resulting Numbers: [3968] 3968,44 unequal: No Solution Moving to Node #0,0,2 Current State: 44:[39, 87], Operations: ['11+28=39', '23+64=87'] Exploring Operation: 87-39=48, Resulting Numbers: [48] 48,44 unequal: No Solution Exploring Operation: 39*87=3393, Resulting Numbers: [3393] 3393,44 unequal: No Solution Exploring Operation: 39+87=126, Resulting Numbers: [126] 126,44 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
[ 99, 2, 92, 2 ]
28
[ "99-92=7", "2+2=4", "7*4=28" ]
Current State: 28:[99, 2, 92, 2], Operations: [] Exploring Operation: 99-92=7, Resulting Numbers: [2, 2, 7] Generated Node #2: [2, 2, 7] from Operation: 99-92=7 Current State: 28:[2, 2, 7], Operations: ['99-92=7'] Exploring Operation: 2+2=4, Resulting Numbers: [7, 4] Generated Node #3: [7, 4] from Operation: 2+2=4 Current State: 28:[7, 4], Operations: ['99-92=7', '2+2=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[99, 2, 92, 2], Operations: [] Exploring Operation: 99-92=7, Resulting Numbers: [2, 2, 7] Generated Node #0,0: 28:[2, 2, 7] Operation: 99-92=7 Exploring Operation: 92/2=46, Resulting Numbers: [99, 2, 46] Generated Node #0,1: 28:[99, 2, 46] Operation: 92/2=46 Exploring Operation: 92/2=46, Resulting Numbers: [99, 2, 46] Generated Node #0,2: 28:[99, 2, 46] Operation: 92/2=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[2, 2, 7], Operations: ['99-92=7'] Exploring Operation: 2*2=4, Resulting Numbers: [7, 4] Generated Node #0,0,0: 28:[7, 4] Operation: 2*2=4 Exploring Operation: 2*7=14, Resulting Numbers: [2, 14] Generated Node #0,0,1: 28:[2, 14] Operation: 2*7=14 Exploring Operation: 2+2=4, Resulting Numbers: [7, 4] Generated Node #0,0,2: 28:[7, 4] Operation: 2+2=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[7, 4], Operations: ['99-92=7', '2*2=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[99, 2, 92, 2], Operations: [] Exploring Operation: 99-92=7, Resulting Numbers: [2, 2, 7] Generated Node #0,0: 28:[2, 2, 7] Operation: 99-92=7 Moving to Node #0,0 Current State: 28:[2, 2, 7], Operations: ['99-92=7'] Exploring Operation: 2*2=4, Resulting Numbers: [7, 4] Generated Node #0,0,0: 28:[7, 4] Operation: 2*2=4 Moving to Node #0,0,0 Current State: 28:[7, 4], Operations: ['99-92=7', '2*2=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 52, 61, 22, 2 ]
89
[ "52+61=113", "22+2=24", "113-24=89" ]
Current State: 89:[52, 61, 22, 2], Operations: [] Exploring Operation: 52+61=113, Resulting Numbers: [22, 2, 113] Generated Node #2: [22, 2, 113] from Operation: 52+61=113 Current State: 89:[22, 2, 113], Operations: ['52+61=113'] Exploring Operation: 22+2=24, Resulting Numbers: [113, 24] Generated Node #3: [113, 24] from Operation: 22+2=24 Current State: 89:[113, 24], Operations: ['52+61=113', '22+2=24'] Exploring Operation: 113-24=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[52, 61, 22, 2], Operations: [] Exploring Operation: 52*2=104, Resulting Numbers: [61, 22, 104] Generated Node #0,0: 89:[61, 22, 104] Operation: 52*2=104 Exploring Operation: 22*2=44, Resulting Numbers: [52, 61, 44] Generated Node #0,1: 89:[52, 61, 44] Operation: 22*2=44 Exploring Operation: 52+2=54, Resulting Numbers: [61, 22, 54] Generated Node #0,2: 89:[61, 22, 54] Operation: 52+2=54 Exploring Operation: 52+22=74, Resulting Numbers: [61, 2, 74] Generated Node #0,3: 89:[61, 2, 74] Operation: 52+22=74 Exploring Operation: 61+22=83, Resulting Numbers: [52, 2, 83] Generated Node #0,4: 89:[52, 2, 83] Operation: 61+22=83 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[61, 22, 104], Operations: ['52*2=104'] Exploring Operation: 22+104=126, Resulting Numbers: [61, 126] Generated Node #0,0,0: 89:[61, 126] Operation: 22+104=126 Exploring Operation: 104-61=43, Resulting Numbers: [22, 43] Generated Node #0,0,1: 89:[22, 43] Operation: 104-61=43 Exploring Operation: 104-22=82, Resulting Numbers: [61, 82] Generated Node #0,0,2: 89:[61, 82] Operation: 104-22=82 Exploring Operation: 61+22=83, Resulting Numbers: [104, 83] Generated Node #0,0,3: 89:[104, 83] Operation: 61+22=83 Exploring Operation: 61-22=39, Resulting Numbers: [104, 39] Generated Node #0,0,4: 89:[104, 39] Operation: 61-22=39 Moving to Node #0,0,3 Current State: 89:[104, 83], Operations: ['52*2=104', '61+22=83'] Exploring Operation: 104-83=21, Resulting Numbers: [21] 21,89 unequal: No Solution Exploring Operation: 104+83=187, Resulting Numbers: [187] 187,89 unequal: No Solution Exploring Operation: 104*83=8632, Resulting Numbers: [8632] 8632,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[61, 82], Operations: ['52*2=104', '104-22=82'] Exploring Operation: 82-61=21, Resulting Numbers: [21] 21,89 unequal: No Solution Exploring Operation: 61+82=143, Resulting Numbers: [143] 143,89 unequal: No Solution Exploring Operation: 61*82=5002, Resulting Numbers: [5002] 5002,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[61, 126], Operations: ['52*2=104', '22+104=126'] Exploring Operation: 126-61=65, Resulting Numbers: [65] 65,89 unequal: No Solution Exploring Operation: 61+126=187, Resulting Numbers: [187] 187,89 unequal: No Solution Exploring Operation: 61*126=7686, Resulting Numbers: [7686] 7686,89 unequal: No Solution Moving to Node #0,0,4 Current State: 89:[104, 39], Operations: ['52*2=104', '61-22=39'] Exploring Operation: 104*39=4056, Resulting Numbers: [4056] 4056,89 unequal: No Solution Exploring Operation: 104+39=143, Resulting Numbers: [143] 143,89 unequal: No Solution Exploring Operation: 104-39=65, Resulting Numbers: [65] 65,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[22, 43], Operations: ['52*2=104', '104-61=43'] Exploring Operation: 22*43=946, Resulting Numbers: [946] 946,89 unequal: No Solution Exploring Operation: 22+43=65, Resulting Numbers: [65] 65,89 unequal: No Solution Exploring Operation: 43-22=21, Resulting Numbers: [21] 21,89 unequal: No Solution No 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: 89:[52, 61, 44], Operations: ['22*2=44'] Exploring Operation: 52+44=96, Resulting Numbers: [61, 96] Generated Node #0,1,0: 89:[61, 96] Operation: 52+44=96 Exploring Operation: 61-44=17, Resulting Numbers: [52, 17] Generated Node #0,1,1: 89:[52, 17] Operation: 61-44=17 Exploring Operation: 52-44=8, Resulting Numbers: [61, 8] Generated Node #0,1,2: 89:[61, 8] Operation: 52-44=8 Exploring Operation: 61+44=105, Resulting Numbers: [52, 105] Generated Node #0,1,3: 89:[52, 105] Operation: 61+44=105 Exploring Operation: 52+61=113, Resulting Numbers: [44, 113] Generated Node #0,1,4: 89:[44, 113] Operation: 52+61=113 Moving to Node #0,1,0 Current State: 89:[61, 96], Operations: ['22*2=44', '52+44=96'] Exploring Operation: 61*96=5856, Resulting Numbers: [5856] 5856,89 unequal: No Solution Exploring Operation: 61+96=157, Resulting Numbers: [157] 157,89 unequal: No Solution Exploring Operation: 96-61=35, Resulting Numbers: [35] 35,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[52, 105], Operations: ['22*2=44', '61+44=105'] Exploring Operation: 52+105=157, Resulting Numbers: [157] 157,89 unequal: No Solution Exploring Operation: 105-52=53, Resulting Numbers: [53] 53,89 unequal: No Solution Exploring Operation: 52*105=5460, Resulting Numbers: [5460] 5460,89 unequal: No Solution Moving to Node #0,1,4 Current State: 89:[44, 113], Operations: ['22*2=44', '52+61=113'] Exploring Operation: 113-44=69, Resulting Numbers: [69] 69,89 unequal: No Solution Exploring Operation: 44+113=157, Resulting Numbers: [157] 157,89 unequal: No Solution Exploring Operation: 44*113=4972, Resulting Numbers: [4972] 4972,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[52, 17], Operations: ['22*2=44', '61-44=17'] Exploring Operation: 52+17=69, Resulting Numbers: [69] 69,89 unequal: No Solution Exploring Operation: 52*17=884, Resulting Numbers: [884] 884,89 unequal: No Solution Exploring Operation: 52-17=35, Resulting Numbers: [35] 35,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[61, 8], Operations: ['22*2=44', '52-44=8'] Exploring Operation: 61+8=69, Resulting Numbers: [69] 69,89 unequal: No Solution Exploring Operation: 61-8=53, Resulting Numbers: [53] 53,89 unequal: No Solution Exploring Operation: 61*8=488, Resulting Numbers: [488] 488,89 unequal: No Solution No 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: 89:[61, 22, 54], Operations: ['52+2=54'] Exploring Operation: 54-22=32, Resulting Numbers: [61, 32] Generated Node #0,2,0: 89:[61, 32] Operation: 54-22=32 Exploring Operation: 61+54=115, Resulting Numbers: [22, 115] Generated Node #0,2,1: 89:[22, 115] Operation: 61+54=115 Exploring Operation: 22+54=76, Resulting Numbers: [61, 76] Generated Node #0,2,2: 89:[61, 76] Operation: 22+54=76 Exploring Operation: 61-22=39, Resulting Numbers: [54, 39] Generated Node #0,2,3: 89:[54, 39] Operation: 61-22=39 Exploring Operation: 61+22=83, Resulting Numbers: [54, 83] Generated Node #0,2,4: 89:[54, 83] Operation: 61+22=83 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 89:[61, 76], Operations: ['52+2=54', '22+54=76'] Exploring Operation: 61+76=137, Resulting Numbers: [137] 137,89 unequal: No Solution Exploring Operation: 61*76=4636, Resulting Numbers: [4636] 4636,89 unequal: No Solution Exploring Operation: 76-61=15, Resulting Numbers: [15] 15,89 unequal: No Solution No 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: 89:[54, 83], Operations: ['52+2=54', '61+22=83'] Exploring Operation: 54+83=137, Resulting Numbers: [137] 137,89 unequal: No Solution Exploring Operation: 83-54=29, Resulting Numbers: [29] 29,89 unequal: No Solution Exploring Operation: 54*83=4482, Resulting Numbers: [4482] 4482,89 unequal: No Solution No 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: 89:[61, 32], Operations: ['52+2=54', '54-22=32'] Exploring Operation: 61*32=1952, Resulting Numbers: [1952] 1952,89 unequal: No Solution Exploring Operation: 61-32=29, Resulting Numbers: [29] 29,89 unequal: No Solution Exploring Operation: 61+32=93, Resulting Numbers: [93] 93,89 unequal: No Solution No 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: 89:[54, 39], Operations: ['52+2=54', '61-22=39'] Exploring Operation: 54*39=2106, Resulting Numbers: [2106] 2106,89 unequal: No Solution Exploring Operation: 54-39=15, Resulting Numbers: [15] 15,89 unequal: No Solution Exploring Operation: 54+39=93, Resulting Numbers: [93] 93,89 unequal: No Solution No 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: 89:[22, 115], Operations: ['52+2=54', '61+54=115'] Exploring Operation: 115-22=93, Resulting Numbers: [93] 93,89 unequal: No Solution Exploring Operation: 22*115=2530, Resulting Numbers: [2530] 2530,89 unequal: No Solution Exploring Operation: 22+115=137, Resulting Numbers: [137] 137,89 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: 89:[61, 2, 74], Operations: ['52+22=74'] Exploring Operation: 74-2=72, Resulting Numbers: [61, 72] Generated Node #0,3,0: 89:[61, 72] Operation: 74-2=72 Exploring Operation: 61-2=59, Resulting Numbers: [74, 59] Generated Node #0,3,1: 89:[74, 59] Operation: 61-2=59 Exploring Operation: 61*2=122, Resulting Numbers: [74, 122] Generated Node #0,3,2: 89:[74, 122] Operation: 61*2=122 Exploring Operation: 2+74=76, Resulting Numbers: [61, 76] Generated Node #0,3,3: 89:[61, 76] Operation: 2+74=76 Exploring Operation: 61+2=63, Resulting Numbers: [74, 63] Generated Node #0,3,4: 89:[74, 63] Operation: 61+2=63 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 89:[61, 76], Operations: ['52+22=74', '2+74=76'] Exploring Operation: 61*76=4636, Resulting Numbers: [4636] 4636,89 unequal: No Solution Exploring Operation: 76-61=15, Resulting Numbers: [15] 15,89 unequal: No Solution Exploring Operation: 61+76=137, Resulting Numbers: [137] 137,89 unequal: No Solution No 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: 89:[74, 63], Operations: ['52+22=74', '61+2=63'] Exploring Operation: 74+63=137, Resulting Numbers: [137] 137,89 unequal: No Solution Exploring Operation: 74-63=11, Resulting Numbers: [11] 11,89 unequal: No Solution Exploring Operation: 74*63=4662, Resulting Numbers: [4662] 4662,89 unequal: No Solution No 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: 89:[61, 72], Operations: ['52+22=74', '74-2=72'] Exploring Operation: 61+72=133, Resulting Numbers: [133] 133,89 unequal: No Solution Exploring Operation: 72-61=11, Resulting Numbers: [11] 11,89 unequal: No Solution Exploring Operation: 61*72=4392, Resulting Numbers: [4392] 4392,89 unequal: No Solution No 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: 89:[74, 59], Operations: ['52+22=74', '61-2=59'] Exploring Operation: 74-59=15, Resulting Numbers: [15] 15,89 unequal: No Solution Exploring Operation: 74*59=4366, Resulting Numbers: [4366] 4366,89 unequal: No Solution Exploring Operation: 74+59=133, Resulting Numbers: [133] 133,89 unequal: No Solution No 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: 89:[74, 122], Operations: ['52+22=74', '61*2=122'] Exploring Operation: 74*122=9028, Resulting Numbers: [9028] 9028,89 unequal: No Solution Exploring Operation: 122-74=48, Resulting Numbers: [48] 48,89 unequal: No Solution Exploring Operation: 74+122=196, Resulting Numbers: [196] 196,89 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: 89:[52, 2, 83], Operations: ['61+22=83'] Exploring Operation: 2+83=85, Resulting Numbers: [52, 85] Generated Node #0,4,0: 89:[52, 85] Operation: 2+83=85 Exploring Operation: 83-2=81, Resulting Numbers: [52, 81] Generated Node #0,4,1: 89:[52, 81] Operation: 83-2=81 Exploring Operation: 52*2=104, Resulting Numbers: [83, 104] Generated Node #0,4,2: 89:[83, 104] Operation: 52*2=104 Exploring Operation: 52+2=54, Resulting Numbers: [83, 54] Generated Node #0,4,3: 89:[83, 54] Operation: 52+2=54 Exploring Operation: 52-2=50, Resulting Numbers: [83, 50] Generated Node #0,4,4: 89:[83, 50] Operation: 52-2=50 Moving to Node #0,4,2 Current State: 89:[83, 104], Operations: ['61+22=83', '52*2=104'] Exploring Operation: 83*104=8632, Resulting Numbers: [8632] 8632,89 unequal: No Solution Exploring Operation: 104-83=21, Resulting Numbers: [21] 21,89 unequal: No Solution Exploring Operation: 83+104=187, Resulting Numbers: [187] 187,89 unequal: No Solution Moving to Node #0,4,3 Current State: 89:[83, 54], Operations: ['61+22=83', '52+2=54'] Exploring Operation: 83*54=4482, Resulting Numbers: [4482] 4482,89 unequal: No Solution Exploring Operation: 83-54=29, Resulting Numbers: [29] 29,89 unequal: No Solution Exploring Operation: 83+54=137, Resulting Numbers: [137] 137,89 unequal: No Solution Moving to Node #0,4,0 Current State: 89:[52, 85], Operations: ['61+22=83', '2+83=85'] Exploring Operation: 85-52=33, Resulting Numbers: [33] 33,89 unequal: No Solution Exploring Operation: 52+85=137, Resulting Numbers: [137] 137,89 unequal: No Solution Exploring Operation: 52*85=4420, Resulting Numbers: [4420] 4420,89 unequal: No Solution Moving to Node #0,4,1 Current State: 89:[52, 81], Operations: ['61+22=83', '83-2=81'] Exploring Operation: 81-52=29, Resulting Numbers: [29] 29,89 unequal: No Solution Exploring Operation: 52*81=4212, Resulting Numbers: [4212] 4212,89 unequal: No Solution Exploring Operation: 52+81=133, Resulting Numbers: [133] 133,89 unequal: No Solution Moving to Node #0,4,4 Current State: 89:[83, 50], Operations: ['61+22=83', '52-2=50'] Exploring Operation: 83+50=133, Resulting Numbers: [133] 133,89 unequal: No Solution Exploring Operation: 83-50=33, Resulting Numbers: [33] 33,89 unequal: No Solution Exploring Operation: 83*50=4150, Resulting Numbers: [4150] 4150,89 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
[ 87, 10, 11, 15 ]
69
[ "87*10=870", "870/15=58", "11+58=69" ]
Current State: 69:[87, 10, 11, 15], Operations: [] Exploring Operation: 87*10=870, Resulting Numbers: [11, 15, 870] Generated Node #2: [11, 15, 870] from Operation: 87*10=870 Current State: 69:[11, 15, 870], Operations: ['87*10=870'] Exploring Operation: 870/15=58, Resulting Numbers: [11, 58] Generated Node #3: [11, 58] from Operation: 870/15=58 Current State: 69:[11, 58], Operations: ['87*10=870', '870/15=58'] Exploring Operation: 11+58=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[87, 10, 11, 15], Operations: [] Exploring Operation: 87-15=72, Resulting Numbers: [10, 11, 72] Generated Node #0,0: 69:[10, 11, 72] Operation: 87-15=72 Exploring Operation: 15-11=4, Resulting Numbers: [87, 10, 4] Generated Node #0,1: 69:[87, 10, 4] Operation: 15-11=4 Exploring Operation: 87-10=77, Resulting Numbers: [11, 15, 77] Generated Node #0,2: 69:[11, 15, 77] Operation: 87-10=77 Exploring Operation: 87-11=76, Resulting Numbers: [10, 15, 76] Generated Node #0,3: 69:[10, 15, 76] Operation: 87-11=76 Exploring Operation: 10+11=21, Resulting Numbers: [87, 15, 21] Generated Node #0,4: 69:[87, 15, 21] Operation: 10+11=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[10, 11, 72], Operations: ['87-15=72'] Exploring Operation: 72-11=61, Resulting Numbers: [10, 61] Generated Node #0,0,0: 69:[10, 61] Operation: 72-11=61 Exploring Operation: 10+11=21, Resulting Numbers: [72, 21] Generated Node #0,0,1: 69:[72, 21] Operation: 10+11=21 Exploring Operation: 72-10=62, Resulting Numbers: [11, 62] Generated Node #0,0,2: 69:[11, 62] Operation: 72-10=62 Exploring Operation: 11-10=1, Resulting Numbers: [72, 1] Generated Node #0,0,3: 69:[72, 1] Operation: 11-10=1 Exploring Operation: 10+72=82, Resulting Numbers: [11, 82] Generated Node #0,0,4: 69:[11, 82] Operation: 10+72=82 Moving to Node #0,0,1 Current State: 69:[72, 21], Operations: ['87-15=72', '10+11=21'] Exploring Operation: 72+21=93, Resulting Numbers: [93] 93,69 unequal: No Solution Exploring Operation: 72*21=1512, Resulting Numbers: [1512] 1512,69 unequal: No Solution Exploring Operation: 72-21=51, Resulting Numbers: [51] 51,69 unequal: No Solution Moving to Node #0,0,3 Current State: 69:[72, 1], Operations: ['87-15=72', '11-10=1'] Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,69 unequal: No Solution Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,69 unequal: No Solution Exploring Operation: 72/1=72, Resulting Numbers: [72] 72,69 unequal: No Solution Exploring Operation: 72+1=73, Resulting Numbers: [73] 73,69 unequal: No Solution Moving to Node #0,0,0 Current State: 69:[10, 61], Operations: ['87-15=72', '72-11=61'] Exploring Operation: 61-10=51, Resulting Numbers: [51] 51,69 unequal: No Solution Exploring Operation: 10*61=610, Resulting Numbers: [610] 610,69 unequal: No Solution Exploring Operation: 10+61=71, Resulting Numbers: [71] 71,69 unequal: No Solution Moving to Node #0,0,2 Current State: 69:[11, 62], Operations: ['87-15=72', '72-10=62'] Exploring Operation: 11+62=73, Resulting Numbers: [73] 73,69 unequal: No Solution Exploring Operation: 62-11=51, Resulting Numbers: [51] 51,69 unequal: No Solution Exploring Operation: 11*62=682, Resulting Numbers: [682] 682,69 unequal: No Solution Moving to Node #0,0,4 Current State: 69:[11, 82], Operations: ['87-15=72', '10+72=82'] Exploring Operation: 82-11=71, Resulting Numbers: [71] 71,69 unequal: No Solution Exploring Operation: 11*82=902, Resulting Numbers: [902] 902,69 unequal: No Solution Exploring Operation: 11+82=93, Resulting Numbers: [93] 93,69 unequal: No Solution No 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: 69:[10, 15, 76], Operations: ['87-11=76'] Exploring Operation: 76-15=61, Resulting Numbers: [10, 61] Generated Node #0,3,0: 69:[10, 61] Operation: 76-15=61 Exploring Operation: 76-10=66, Resulting Numbers: [15, 66] Generated Node #0,3,1: 69:[15, 66] Operation: 76-10=66 Exploring Operation: 10+15=25, Resulting Numbers: [76, 25] Generated Node #0,3,2: 69:[76, 25] Operation: 10+15=25 Exploring Operation: 10+76=86, Resulting Numbers: [15, 86] Generated Node #0,3,3: 69:[15, 86] Operation: 10+76=86 Exploring Operation: 15-10=5, Resulting Numbers: [76, 5] Generated Node #0,3,4: 69:[76, 5] Operation: 15-10=5 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 69:[76, 25], Operations: ['87-11=76', '10+15=25'] Exploring Operation: 76+25=101, Resulting Numbers: [101] 101,69 unequal: No Solution Exploring Operation: 76*25=1900, Resulting Numbers: [1900] 1900,69 unequal: No Solution Exploring Operation: 76-25=51, Resulting Numbers: [51] 51,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 69:[76, 5], Operations: ['87-11=76', '15-10=5'] Exploring Operation: 76+5=81, Resulting Numbers: [81] 81,69 unequal: No Solution Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,69 unequal: No Solution Exploring Operation: 76*5=380, Resulting Numbers: [380] 380,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 69:[15, 66], Operations: ['87-11=76', '76-10=66'] Exploring Operation: 66-15=51, Resulting Numbers: [51] 51,69 unequal: No Solution Exploring Operation: 15*66=990, Resulting Numbers: [990] 990,69 unequal: No Solution Exploring Operation: 15+66=81, Resulting Numbers: [81] 81,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 69:[10, 61], Operations: ['87-11=76', '76-15=61'] Exploring Operation: 61-10=51, Resulting Numbers: [51] 51,69 unequal: No Solution Exploring Operation: 10*61=610, Resulting Numbers: [610] 610,69 unequal: No Solution Exploring Operation: 10+61=71, Resulting Numbers: [71] 71,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 69:[15, 86], Operations: ['87-11=76', '10+76=86'] Exploring Operation: 86-15=71, Resulting Numbers: [71] 71,69 unequal: No Solution Exploring Operation: 15*86=1290, Resulting Numbers: [1290] 1290,69 unequal: No Solution Exploring Operation: 15+86=101, Resulting Numbers: [101] 101,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 69:[11, 15, 77], Operations: ['87-10=77'] Exploring Operation: 77-15=62, Resulting Numbers: [11, 62] Generated Node #0,2,0: 69:[11, 62] Operation: 77-15=62 Exploring Operation: 77-11=66, Resulting Numbers: [15, 66] Generated Node #0,2,1: 69:[15, 66] Operation: 77-11=66 Exploring Operation: 15-11=4, Resulting Numbers: [77, 4] Generated Node #0,2,2: 69:[77, 4] Operation: 15-11=4 Exploring Operation: 77/11=7, Resulting Numbers: [15, 7] Generated Node #0,2,3: 69:[15, 7] Operation: 77/11=7 Exploring Operation: 11+15=26, Resulting Numbers: [77, 26] Generated Node #0,2,4: 69:[77, 26] Operation: 11+15=26 Moving to Node #0,2,2 Current State: 69:[77, 4], Operations: ['87-10=77', '15-11=4'] Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,69 unequal: No Solution Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,69 unequal: No Solution Exploring Operation: 77*4=308, Resulting Numbers: [308] 308,69 unequal: No Solution Moving to Node #0,2,4 Current State: 69:[77, 26], Operations: ['87-10=77', '11+15=26'] Exploring Operation: 77*26=2002, Resulting Numbers: [2002] 2002,69 unequal: No Solution Exploring Operation: 77-26=51, Resulting Numbers: [51] 51,69 unequal: No Solution Exploring Operation: 77+26=103, Resulting Numbers: [103] 103,69 unequal: No Solution Moving to Node #0,2,1 Current State: 69:[15, 66], Operations: ['87-10=77', '77-11=66'] Exploring Operation: 15*66=990, Resulting Numbers: [990] 990,69 unequal: No Solution Exploring Operation: 15+66=81, Resulting Numbers: [81] 81,69 unequal: No Solution Exploring Operation: 66-15=51, Resulting Numbers: [51] 51,69 unequal: No Solution Moving to Node #0,2,3 Current State: 69:[15, 7], Operations: ['87-10=77', '77/11=7'] Exploring Operation: 15*7=105, Resulting Numbers: [105] 105,69 unequal: No Solution Exploring Operation: 15+7=22, Resulting Numbers: [22] 22,69 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,69 unequal: No Solution Moving to Node #0,2,0 Current State: 69:[11, 62], Operations: ['87-10=77', '77-15=62'] Exploring Operation: 11+62=73, Resulting Numbers: [73] 73,69 unequal: No Solution Exploring Operation: 62-11=51, Resulting Numbers: [51] 51,69 unequal: No Solution Exploring Operation: 11*62=682, Resulting Numbers: [682] 682,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[87, 10, 4], Operations: ['15-11=4'] Exploring Operation: 87-10=77, Resulting Numbers: [4, 77] Generated Node #0,1,0: 69:[4, 77] Operation: 87-10=77 Exploring Operation: 10+4=14, Resulting Numbers: [87, 14] Generated Node #0,1,1: 69:[87, 14] Operation: 10+4=14 Exploring Operation: 87-4=83, Resulting Numbers: [10, 83] Generated Node #0,1,2: 69:[10, 83] Operation: 87-4=83 Exploring Operation: 10-4=6, Resulting Numbers: [87, 6] Generated Node #0,1,3: 69:[87, 6] Operation: 10-4=6 Exploring Operation: 87+10=97, Resulting Numbers: [4, 97] Generated Node #0,1,4: 69:[4, 97] Operation: 87+10=97 Moving to Node #0,1,0 Current State: 69:[4, 77], Operations: ['15-11=4', '87-10=77'] Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,69 unequal: No Solution Exploring Operation: 4*77=308, Resulting Numbers: [308] 308,69 unequal: No Solution Exploring Operation: 4+77=81, Resulting Numbers: [81] 81,69 unequal: No Solution Moving to Node #0,1,3 Current State: 69:[87, 6], Operations: ['15-11=4', '10-4=6'] Exploring Operation: 87+6=93, Resulting Numbers: [93] 93,69 unequal: No Solution Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,69 unequal: No Solution Exploring Operation: 87*6=522, Resulting Numbers: [522] 522,69 unequal: No Solution Moving to Node #0,1,2 Current State: 69:[10, 83], Operations: ['15-11=4', '87-4=83'] Exploring Operation: 10*83=830, Resulting Numbers: [830] 830,69 unequal: No Solution Exploring Operation: 10+83=93, Resulting Numbers: [93] 93,69 unequal: No Solution Exploring Operation: 83-10=73, Resulting Numbers: [73] 73,69 unequal: No Solution Moving to Node #0,1,1 Current State: 69:[87, 14], Operations: ['15-11=4', '10+4=14'] Exploring Operation: 87+14=101, Resulting Numbers: [101] 101,69 unequal: No Solution Exploring Operation: 87*14=1218, Resulting Numbers: [1218] 1218,69 unequal: No Solution Exploring Operation: 87-14=73, Resulting Numbers: [73] 73,69 unequal: No Solution Moving to Node #0,1,4 Current State: 69:[4, 97], Operations: ['15-11=4', '87+10=97'] Exploring Operation: 4*97=388, Resulting Numbers: [388] 388,69 unequal: No Solution Exploring Operation: 97-4=93, Resulting Numbers: [93] 93,69 unequal: No Solution Exploring Operation: 4+97=101, Resulting Numbers: [101] 101,69 unequal: No Solution No 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: 69:[87, 15, 21], Operations: ['10+11=21'] Exploring Operation: 87+15=102, Resulting Numbers: [21, 102] Generated Node #0,4,0: 69:[21, 102] Operation: 87+15=102 Exploring Operation: 87-15=72, Resulting Numbers: [21, 72] Generated Node #0,4,1: 69:[21, 72] Operation: 87-15=72 Exploring Operation: 87-21=66, Resulting Numbers: [15, 66] Generated Node #0,4,2: 69:[15, 66] Operation: 87-21=66 Exploring Operation: 21-15=6, Resulting Numbers: [87, 6] Generated Node #0,4,3: 69:[87, 6] Operation: 21-15=6 Exploring Operation: 15+21=36, Resulting Numbers: [87, 36] Generated Node #0,4,4: 69:[87, 36] Operation: 15+21=36 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 69:[21, 72], Operations: ['10+11=21', '87-15=72'] Exploring Operation: 72-21=51, Resulting Numbers: [51] 51,69 unequal: No Solution Exploring Operation: 21*72=1512, Resulting Numbers: [1512] 1512,69 unequal: No Solution Exploring Operation: 21+72=93, Resulting Numbers: [93] 93,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 69:[15, 66], Operations: ['10+11=21', '87-21=66'] Exploring Operation: 15+66=81, Resulting Numbers: [81] 81,69 unequal: No Solution Exploring Operation: 15*66=990, Resulting Numbers: [990] 990,69 unequal: No Solution Exploring Operation: 66-15=51, Resulting Numbers: [51] 51,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 69:[87, 6], Operations: ['10+11=21', '21-15=6'] Exploring Operation: 87*6=522, Resulting Numbers: [522] 522,69 unequal: No Solution Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,69 unequal: No Solution Exploring Operation: 87+6=93, Resulting Numbers: [93] 93,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 69:[87, 36], Operations: ['10+11=21', '15+21=36'] Exploring Operation: 87*36=3132, Resulting Numbers: [3132] 3132,69 unequal: No Solution Exploring Operation: 87+36=123, Resulting Numbers: [123] 123,69 unequal: No Solution Exploring Operation: 87-36=51, Resulting Numbers: [51] 51,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 69:[21, 102], Operations: ['10+11=21', '87+15=102'] Exploring Operation: 21*102=2142, Resulting Numbers: [2142] 2142,69 unequal: No Solution Exploring Operation: 21+102=123, Resulting Numbers: [123] 123,69 unequal: No Solution Exploring Operation: 102-21=81, Resulting Numbers: [81] 81,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 6, 14, 65, 37 ]
48
[ "6+14=20", "65-37=28", "20+28=48" ]
Current State: 48:[6, 14, 65, 37], Operations: [] Exploring Operation: 6+14=20, Resulting Numbers: [65, 37, 20] Generated Node #2: [65, 37, 20] from Operation: 6+14=20 Current State: 48:[65, 37, 20], Operations: ['6+14=20'] Exploring Operation: 65-37=28, Resulting Numbers: [20, 28] Generated Node #3: [20, 28] from Operation: 65-37=28 Current State: 48:[20, 28], Operations: ['6+14=20', '65-37=28'] Exploring Operation: 20+28=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[6, 14, 65, 37], Operations: [] Exploring Operation: 65-37=28, Resulting Numbers: [6, 14, 28] Generated Node #0,0: 48:[6, 14, 28] Operation: 65-37=28 Exploring Operation: 14+37=51, Resulting Numbers: [6, 65, 51] Generated Node #0,1: 48:[6, 65, 51] Operation: 14+37=51 Exploring Operation: 37-14=23, Resulting Numbers: [6, 65, 23] Generated Node #0,2: 48:[6, 65, 23] Operation: 37-14=23 Exploring Operation: 65-14=51, Resulting Numbers: [6, 37, 51] Generated Node #0,3: 48:[6, 37, 51] Operation: 65-14=51 Moving to Node #0,0 Current State: 48:[6, 14, 28], Operations: ['65-37=28'] Exploring Operation: 28-6=22, Resulting Numbers: [14, 22] Generated Node #0,0,0: 48:[14, 22] Operation: 28-6=22 Exploring Operation: 14-6=8, Resulting Numbers: [28, 8] Generated Node #0,0,1: 48:[28, 8] Operation: 14-6=8 Exploring Operation: 28-14=14, Resulting Numbers: [6, 14] Generated Node #0,0,2: 48:[6, 14] Operation: 28-14=14 Exploring Operation: 28/14=2, Resulting Numbers: [6, 2] Generated Node #0,0,3: 48:[6, 2] Operation: 28/14=2 Moving to Node #0,3 Current State: 48:[6, 37, 51], Operations: ['65-14=51'] Exploring Operation: 51-6=45, Resulting Numbers: [37, 45] Generated Node #0,3,0: 48:[37, 45] Operation: 51-6=45 Exploring Operation: 37-6=31, Resulting Numbers: [51, 31] Generated Node #0,3,1: 48:[51, 31] Operation: 37-6=31 Exploring Operation: 6+37=43, Resulting Numbers: [51, 43] Generated Node #0,3,2: 48:[51, 43] Operation: 6+37=43 Exploring Operation: 51-37=14, Resulting Numbers: [6, 14] Generated Node #0,3,3: 48:[6, 14] Operation: 51-37=14 Moving to Node #0,2 Current State: 48:[6, 65, 23], Operations: ['37-14=23'] Exploring Operation: 6+23=29, Resulting Numbers: [65, 29] Generated Node #0,2,0: 48:[65, 29] Operation: 6+23=29 Exploring Operation: 65-6=59, Resulting Numbers: [23, 59] Generated Node #0,2,1: 48:[23, 59] Operation: 65-6=59 Exploring Operation: 23-6=17, Resulting Numbers: [65, 17] Generated Node #0,2,2: 48:[65, 17] Operation: 23-6=17 Exploring Operation: 65-23=42, Resulting Numbers: [6, 42] Generated Node #0,2,3: 48:[6, 42] Operation: 65-23=42 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 48:[6, 42], Operations: ['37-14=23', '65-23=42'] Exploring Operation: 6*42=252, Resulting Numbers: [252] 252,48 unequal: No Solution Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[6, 14, 65, 37], Operations: [] Exploring Operation: 37-14=23, Resulting Numbers: [6, 65, 23] Generated Node #0,2: 48:[6, 65, 23] Operation: 37-14=23 Moving to Node #0,2 Current State: 48:[6, 65, 23], Operations: ['37-14=23'] Exploring Operation: 65-23=42, Resulting Numbers: [6, 42] Generated Node #0,2,3: 48:[6, 42] Operation: 65-23=42 Moving to Node #0,2,3 Current State: 48:[6, 42], Operations: ['37-14=23', '65-23=42'] Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
sum_heuristic
[ 43, 10, 3, 39 ]
18
[ "43-10=33", "39-33=6", "3*6=18" ]
Current State: 18:[43, 10, 3, 39], Operations: [] Exploring Operation: 43-10=33, Resulting Numbers: [3, 39, 33] Generated Node #2: [3, 39, 33] from Operation: 43-10=33 Current State: 18:[3, 39, 33], Operations: ['43-10=33'] Exploring Operation: 39-33=6, Resulting Numbers: [3, 6] Generated Node #3: [3, 6] from Operation: 39-33=6 Current State: 18:[3, 6], Operations: ['43-10=33', '39-33=6'] Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[43, 10, 3, 39], Operations: [] Exploring Operation: 39/3=13, Resulting Numbers: [43, 10, 13] Generated Node #0,0: 18:[43, 10, 13] Operation: 39/3=13 Exploring Operation: 43-10=33, Resulting Numbers: [3, 39, 33] Generated Node #0,1: 18:[3, 39, 33] Operation: 43-10=33 Exploring Operation: 43-39=4, Resulting Numbers: [10, 3, 4] Generated Node #0,2: 18:[10, 3, 4] Operation: 43-39=4 Exploring Operation: 39-10=29, Resulting Numbers: [43, 3, 29] Generated Node #0,3: 18:[43, 3, 29] Operation: 39-10=29 Exploring Operation: 43-3=40, Resulting Numbers: [10, 39, 40] Generated Node #0,4: 18:[10, 39, 40] Operation: 43-3=40 Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[10, 3, 4], Operations: ['43-39=4'] Exploring Operation: 3+4=7, Resulting Numbers: [10, 7] Generated Node #0,2,0: 18:[10, 7] Operation: 3+4=7 Exploring Operation: 4-3=1, Resulting Numbers: [10, 1] Generated Node #0,2,1: 18:[10, 1] Operation: 4-3=1 Exploring Operation: 10+4=14, Resulting Numbers: [3, 14] Generated Node #0,2,2: 18:[3, 14] Operation: 10+4=14 Exploring Operation: 10-3=7, Resulting Numbers: [4, 7] Generated Node #0,2,3: 18:[4, 7] Operation: 10-3=7 Exploring Operation: 10-4=6, Resulting Numbers: [3, 6] Generated Node #0,2,4: 18:[3, 6] Operation: 10-4=6 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 18:[3, 6], Operations: ['43-39=4', '10-4=6'] Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,18 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[43, 10, 3, 39], Operations: [] Exploring Operation: 43-39=4, Resulting Numbers: [10, 3, 4] Generated Node #0,2: 18:[10, 3, 4] Operation: 43-39=4 Moving to Node #0,2 Current State: 18:[10, 3, 4], Operations: ['43-39=4'] Exploring Operation: 10-4=6, Resulting Numbers: [3, 6] Generated Node #0,2,4: 18:[3, 6] Operation: 10-4=6 Moving to Node #0,2,4 Current State: 18:[3, 6], Operations: ['43-39=4', '10-4=6'] Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 34, 77, 55, 84 ]
94
[ "55*84=4620", "4620/77=60", "34+60=94" ]
Current State: 94:[34, 77, 55, 84], Operations: [] Exploring Operation: 55*84=4620, Resulting Numbers: [34, 77, 4620] Generated Node #2: [34, 77, 4620] from Operation: 55*84=4620 Current State: 94:[34, 77, 4620], Operations: ['55*84=4620'] Exploring Operation: 4620/77=60, Resulting Numbers: [34, 60] Generated Node #3: [34, 60] from Operation: 4620/77=60 Current State: 94:[34, 60], Operations: ['55*84=4620', '4620/77=60'] Exploring Operation: 34+60=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[34, 77, 55, 84], Operations: [] Exploring Operation: 84-34=50, Resulting Numbers: [77, 55, 50] Generated Node #0,0: 94:[77, 55, 50] Operation: 84-34=50 Exploring Operation: 34+55=89, Resulting Numbers: [77, 84, 89] Generated Node #0,1: 94:[77, 84, 89] Operation: 34+55=89 Exploring Operation: 84-77=7, Resulting Numbers: [34, 55, 7] Generated Node #0,2: 94:[34, 55, 7] Operation: 84-77=7 Exploring Operation: 77-34=43, Resulting Numbers: [55, 84, 43] Generated Node #0,3: 94:[55, 84, 43] Operation: 77-34=43 Start Sub Search at level 1: Moving to Node #0,3 Current State: 94:[55, 84, 43], Operations: ['77-34=43'] Exploring Operation: 55+43=98, Resulting Numbers: [84, 98] Generated Node #0,3,0: 94:[84, 98] Operation: 55+43=98 Exploring Operation: 84-55=29, Resulting Numbers: [43, 29] Generated Node #0,3,1: 94:[43, 29] Operation: 84-55=29 Exploring Operation: 55-43=12, Resulting Numbers: [84, 12] Generated Node #0,3,2: 94:[84, 12] Operation: 55-43=12 Exploring Operation: 84-43=41, Resulting Numbers: [55, 41] Generated Node #0,3,3: 94:[55, 41] Operation: 84-43=41 Moving to Node #0,3,0 Current State: 94:[84, 98], Operations: ['77-34=43', '55+43=98'] Exploring Operation: 84+98=182, Resulting Numbers: [182] 182,94 unequal: No Solution Exploring Operation: 84*98=8232, Resulting Numbers: [8232] 8232,94 unequal: No Solution Exploring Operation: 98-84=14, Resulting Numbers: [14] 14,94 unequal: No Solution Moving to Node #0,3,3 Current State: 94:[55, 41], Operations: ['77-34=43', '84-43=41'] Exploring Operation: 55+41=96, Resulting Numbers: [96] 96,94 unequal: No Solution Exploring Operation: 55-41=14, Resulting Numbers: [14] 14,94 unequal: No Solution Exploring Operation: 55*41=2255, Resulting Numbers: [2255] 2255,94 unequal: No Solution Moving to Node #0,3,2 Current State: 94:[84, 12], Operations: ['77-34=43', '55-43=12'] Exploring Operation: 84+12=96, Resulting Numbers: [96] 96,94 unequal: No Solution Exploring Operation: 84*12=1008, Resulting Numbers: [1008] 1008,94 unequal: No Solution Exploring Operation: 84-12=72, Resulting Numbers: [72] 72,94 unequal: No Solution Exploring Operation: 84/12=7, Resulting Numbers: [7] 7,94 unequal: No Solution Moving to Node #0,3,1 Current State: 94:[43, 29], Operations: ['77-34=43', '84-55=29'] Exploring Operation: 43+29=72, Resulting Numbers: [72] 72,94 unequal: No Solution Exploring Operation: 43-29=14, Resulting Numbers: [14] 14,94 unequal: No Solution Exploring Operation: 43*29=1247, Resulting Numbers: [1247] 1247,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[34, 55, 7], Operations: ['84-77=7'] Exploring Operation: 55-7=48, Resulting Numbers: [34, 48] Generated Node #0,2,0: 94:[34, 48] Operation: 55-7=48 Exploring Operation: 34+55=89, Resulting Numbers: [7, 89] Generated Node #0,2,1: 94:[7, 89] Operation: 34+55=89 Exploring Operation: 55-34=21, Resulting Numbers: [7, 21] Generated Node #0,2,2: 94:[7, 21] Operation: 55-34=21 Exploring Operation: 34+7=41, Resulting Numbers: [55, 41] Generated Node #0,2,3: 94:[55, 41] Operation: 34+7=41 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 94:[7, 89], Operations: ['84-77=7', '34+55=89'] Exploring Operation: 7+89=96, Resulting Numbers: [96] 96,94 unequal: No Solution Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,94 unequal: No Solution Exploring Operation: 7*89=623, Resulting Numbers: [623] 623,94 unequal: No Solution No 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: 94:[34, 48], Operations: ['84-77=7', '55-7=48'] Exploring Operation: 48-34=14, Resulting Numbers: [14] 14,94 unequal: No Solution Exploring Operation: 34+48=82, Resulting Numbers: [82] 82,94 unequal: No Solution Exploring Operation: 34*48=1632, Resulting Numbers: [1632] 1632,94 unequal: No Solution No 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: 94:[55, 41], Operations: ['84-77=7', '34+7=41'] Exploring Operation: 55*41=2255, Resulting Numbers: [2255] 2255,94 unequal: No Solution Exploring Operation: 55+41=96, Resulting Numbers: [96] 96,94 unequal: No Solution Exploring Operation: 55-41=14, Resulting Numbers: [14] 14,94 unequal: No Solution No 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: 94:[7, 21], Operations: ['84-77=7', '55-34=21'] Exploring Operation: 7+21=28, Resulting Numbers: [28] 28,94 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,94 unequal: No Solution Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,94 unequal: No Solution Exploring Operation: 7*21=147, Resulting Numbers: [147] 147,94 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: 94:[77, 55, 50], Operations: ['84-34=50'] Exploring Operation: 77-50=27, Resulting Numbers: [55, 27] Generated Node #0,0,0: 94:[55, 27] Operation: 77-50=27 Exploring Operation: 77-55=22, Resulting Numbers: [50, 22] Generated Node #0,0,1: 94:[50, 22] Operation: 77-55=22 Exploring Operation: 55+50=105, Resulting Numbers: [77, 105] Generated Node #0,0,2: 94:[77, 105] Operation: 55+50=105 Exploring Operation: 55-50=5, Resulting Numbers: [77, 5] Generated Node #0,0,3: 94:[77, 5] Operation: 55-50=5 Moving to Node #0,0,3 Current State: 94:[77, 5], Operations: ['84-34=50', '55-50=5'] Exploring Operation: 77*5=385, Resulting Numbers: [385] 385,94 unequal: No Solution Exploring Operation: 77-5=72, Resulting Numbers: [72] 72,94 unequal: No Solution Exploring Operation: 77+5=82, Resulting Numbers: [82] 82,94 unequal: No Solution Moving to Node #0,0,1 Current State: 94:[50, 22], Operations: ['84-34=50', '77-55=22'] Exploring Operation: 50-22=28, Resulting Numbers: [28] 28,94 unequal: No Solution Exploring Operation: 50*22=1100, Resulting Numbers: [1100] 1100,94 unequal: No Solution Exploring Operation: 50+22=72, Resulting Numbers: [72] 72,94 unequal: No Solution Moving to Node #0,0,2 Current State: 94:[77, 105], Operations: ['84-34=50', '55+50=105'] Exploring Operation: 77+105=182, Resulting Numbers: [182] 182,94 unequal: No Solution Exploring Operation: 77*105=8085, Resulting Numbers: [8085] 8085,94 unequal: No Solution Exploring Operation: 105-77=28, Resulting Numbers: [28] 28,94 unequal: No Solution Moving to Node #0,0,0 Current State: 94:[55, 27], Operations: ['84-34=50', '77-50=27'] Exploring Operation: 55-27=28, Resulting Numbers: [28] 28,94 unequal: No Solution Exploring Operation: 55+27=82, Resulting Numbers: [82] 82,94 unequal: No Solution Exploring Operation: 55*27=1485, Resulting Numbers: [1485] 1485,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[77, 84, 89], Operations: ['34+55=89'] Exploring Operation: 89-77=12, Resulting Numbers: [84, 12] Generated Node #0,1,0: 94:[84, 12] Operation: 89-77=12 Exploring Operation: 89-84=5, Resulting Numbers: [77, 5] Generated Node #0,1,1: 94:[77, 5] Operation: 89-84=5 Exploring Operation: 77+84=161, Resulting Numbers: [89, 161] Generated Node #0,1,2: 94:[89, 161] Operation: 77+84=161 Exploring Operation: 84-77=7, Resulting Numbers: [89, 7] Generated Node #0,1,3: 94:[89, 7] Operation: 84-77=7 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 94:[89, 7], Operations: ['34+55=89', '84-77=7'] Exploring Operation: 89*7=623, Resulting Numbers: [623] 623,94 unequal: No Solution Exploring Operation: 89+7=96, Resulting Numbers: [96] 96,94 unequal: No Solution Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,94 unequal: No Solution No 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: 94:[84, 12], Operations: ['34+55=89', '89-77=12'] Exploring Operation: 84*12=1008, Resulting Numbers: [1008] 1008,94 unequal: No Solution Exploring Operation: 84/12=7, Resulting Numbers: [7] 7,94 unequal: No Solution Exploring Operation: 84+12=96, Resulting Numbers: [96] 96,94 unequal: No Solution Exploring Operation: 84-12=72, Resulting Numbers: [72] 72,94 unequal: No Solution No 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: 94:[77, 5], Operations: ['34+55=89', '89-84=5'] Exploring Operation: 77-5=72, Resulting Numbers: [72] 72,94 unequal: No Solution Exploring Operation: 77*5=385, Resulting Numbers: [385] 385,94 unequal: No Solution Exploring Operation: 77+5=82, Resulting Numbers: [82] 82,94 unequal: No Solution No 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: 94:[89, 161], Operations: ['34+55=89', '77+84=161'] Exploring Operation: 89*161=14329, Resulting Numbers: [14329] 14329,94 unequal: No Solution Exploring Operation: 89+161=250, Resulting Numbers: [250] 250,94 unequal: No Solution Exploring Operation: 161-89=72, Resulting Numbers: [72] 72,94 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
[ 29, 67, 32, 52 ]
12
[ "29+67=96", "32+52=84", "96-84=12" ]
Current State: 12:[29, 67, 32, 52], Operations: [] Exploring Operation: 29+67=96, Resulting Numbers: [32, 52, 96] Generated Node #2: [32, 52, 96] from Operation: 29+67=96 Current State: 12:[32, 52, 96], Operations: ['29+67=96'] Exploring Operation: 32+52=84, Resulting Numbers: [96, 84] Generated Node #3: [96, 84] from Operation: 32+52=84 Current State: 12:[96, 84], Operations: ['29+67=96', '32+52=84'] Exploring Operation: 96-84=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[29, 67, 32, 52], Operations: [] Exploring Operation: 52-32=20, Resulting Numbers: [29, 67, 20] Generated Node #0,0: 12:[29, 67, 20] Operation: 52-32=20 Exploring Operation: 67-52=15, Resulting Numbers: [29, 32, 15] Generated Node #0,1: 12:[29, 32, 15] Operation: 67-52=15 Exploring Operation: 67-32=35, Resulting Numbers: [29, 52, 35] Generated Node #0,2: 12:[29, 52, 35] Operation: 67-32=35 Moving to Node #0,1 Current State: 12:[29, 32, 15], Operations: ['67-52=15'] Exploring Operation: 32-29=3, Resulting Numbers: [15, 3] Generated Node #0,1,0: 12:[15, 3] Operation: 32-29=3 Exploring Operation: 29-15=14, Resulting Numbers: [32, 14] Generated Node #0,1,1: 12:[32, 14] Operation: 29-15=14 Exploring Operation: 32-15=17, Resulting Numbers: [29, 17] Generated Node #0,1,2: 12:[29, 17] Operation: 32-15=17 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 12:[15, 3], Operations: ['67-52=15', '32-29=3'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[29, 67, 32, 52], Operations: [] Exploring Operation: 67-52=15, Resulting Numbers: [29, 32, 15] Generated Node #0,1: 12:[29, 32, 15] Operation: 67-52=15 Moving to Node #0,1 Current State: 12:[29, 32, 15], Operations: ['67-52=15'] Exploring Operation: 32-29=3, Resulting Numbers: [15, 3] Generated Node #0,1,0: 12:[15, 3] Operation: 32-29=3 Moving to Node #0,1,0 Current State: 12:[15, 3], Operations: ['67-52=15', '32-29=3'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 18, 94, 76, 79 ]
100
[ "79-76=3", "18/3=6", "94+6=100" ]
Current State: 100:[18, 94, 76, 79], Operations: [] Exploring Operation: 79-76=3, Resulting Numbers: [18, 94, 3] Generated Node #2: [18, 94, 3] from Operation: 79-76=3 Current State: 100:[18, 94, 3], Operations: ['79-76=3'] Exploring Operation: 18/3=6, Resulting Numbers: [94, 6] Generated Node #3: [94, 6] from Operation: 18/3=6 Current State: 100:[94, 6], Operations: ['79-76=3', '18/3=6'] Exploring Operation: 94+6=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[18, 94, 76, 79], Operations: [] Exploring Operation: 79-76=3, Resulting Numbers: [18, 94, 3] Generated Node #0,0: 100:[18, 94, 3] Operation: 79-76=3 Moving to Node #0,0 Current State: 100:[18, 94, 3], Operations: ['79-76=3'] Exploring Operation: 94+3=97, Resulting Numbers: [18, 97] Generated Node #0,0,0: 100:[18, 97] Operation: 94+3=97 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 100:[18, 97], Operations: ['79-76=3', '94+3=97'] Exploring Operation: 18+97=115, Resulting Numbers: [115] 115,100 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
[ 34, 45, 36, 65 ]
90
[ "45-34=11", "36+65=101", "101-11=90" ]
Current State: 90:[34, 45, 36, 65], Operations: [] Exploring Operation: 45-34=11, Resulting Numbers: [36, 65, 11] Generated Node #2: [36, 65, 11] from Operation: 45-34=11 Current State: 90:[36, 65, 11], Operations: ['45-34=11'] Exploring Operation: 36+65=101, Resulting Numbers: [11, 101] Generated Node #3: [11, 101] from Operation: 36+65=101 Current State: 90:[11, 101], Operations: ['45-34=11', '36+65=101'] Exploring Operation: 101-11=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[34, 45, 36, 65], Operations: [] Exploring Operation: 65-36=29, Resulting Numbers: [34, 45, 29] Generated Node #0,0: 90:[34, 45, 29] Operation: 65-36=29 Exploring Operation: 65-34=31, Resulting Numbers: [45, 36, 31] Generated Node #0,1: 90:[45, 36, 31] Operation: 65-34=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[34, 45, 29], Operations: ['65-36=29'] Exploring Operation: 45-34=11, Resulting Numbers: [29, 11] Generated Node #0,0,0: 90:[29, 11] Operation: 45-34=11 Exploring Operation: 34-29=5, Resulting Numbers: [45, 5] Generated Node #0,0,1: 90:[45, 5] Operation: 34-29=5 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 90:[45, 5], Operations: ['65-36=29', '34-29=5'] Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,90 unequal: No Solution Exploring Operation: 45+5=50, Resulting Numbers: [50] 50,90 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:[29, 11], Operations: ['65-36=29', '45-34=11'] Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,90 unequal: No Solution Exploring Operation: 29+11=40, Resulting Numbers: [40] 40,90 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:[45, 36, 31], Operations: ['65-34=31'] Exploring Operation: 36-31=5, Resulting Numbers: [45, 5] Generated Node #0,1,0: 90:[45, 5] Operation: 36-31=5 Exploring Operation: 45-36=9, Resulting Numbers: [31, 9] Generated Node #0,1,1: 90:[31, 9] Operation: 45-36=9 Moving to Node #0,1,0 Current State: 90:[45, 5], Operations: ['65-34=31', '36-31=5'] Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,90 unequal: No Solution Exploring Operation: 45+5=50, Resulting Numbers: [50] 50,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[31, 9], Operations: ['65-34=31', '45-36=9'] Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,90 unequal: No Solution Exploring Operation: 31+9=40, Resulting Numbers: [40] 40,90 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
[ 45, 9, 98, 80 ]
23
[ "45/9=5", "98-80=18", "5+18=23" ]
Current State: 23:[45, 9, 98, 80], Operations: [] Exploring Operation: 45/9=5, Resulting Numbers: [98, 80, 5] Generated Node #2: [98, 80, 5] from Operation: 45/9=5 Current State: 23:[98, 80, 5], Operations: ['45/9=5'] Exploring Operation: 98-80=18, Resulting Numbers: [5, 18] Generated Node #3: [5, 18] from Operation: 98-80=18 Current State: 23:[5, 18], Operations: ['45/9=5', '98-80=18'] Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[45, 9, 98, 80], Operations: [] Exploring Operation: 98-80=18, Resulting Numbers: [45, 9, 18] Generated Node #0,0: 23:[45, 9, 18] Operation: 98-80=18 Exploring Operation: 80-45=35, Resulting Numbers: [9, 98, 35] Generated Node #0,1: 23:[9, 98, 35] Operation: 80-45=35 Exploring Operation: 98-45=53, Resulting Numbers: [9, 80, 53] Generated Node #0,2: 23:[9, 80, 53] Operation: 98-45=53 Moving to Node #0,0 Current State: 23:[45, 9, 18], Operations: ['98-80=18'] Exploring Operation: 45-9=36, Resulting Numbers: [18, 36] Generated Node #0,0,0: 23:[18, 36] Operation: 45-9=36 Exploring Operation: 45/9=5, Resulting Numbers: [18, 5] Generated Node #0,0,1: 23:[18, 5] Operation: 45/9=5 Exploring Operation: 45-18=27, Resulting Numbers: [9, 27] Generated Node #0,0,2: 23:[9, 27] Operation: 45-18=27 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[18, 36], Operations: ['98-80=18', '45-9=36'] Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,23 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,23 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 #0,0,2 Current State: 23:[9, 27], Operations: ['98-80=18', '45-18=27'] Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 9+27=36, Resulting Numbers: [36] 36,23 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 #0,0,1 Current State: 23:[18, 5], Operations: ['98-80=18', '45/9=5'] Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[45, 9, 98, 80], Operations: [] Exploring Operation: 98-80=18, Resulting Numbers: [45, 9, 18] Generated Node #0,0: 23:[45, 9, 18] Operation: 98-80=18 Moving to Node #0,0 Current State: 23:[45, 9, 18], Operations: ['98-80=18'] Exploring Operation: 45/9=5, Resulting Numbers: [18, 5] Generated Node #0,0,1: 23:[18, 5] Operation: 45/9=5 Moving to Node #0,0,1 Current State: 23:[18, 5], Operations: ['98-80=18', '45/9=5'] Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 77, 2, 25, 51 ]
25
[ "77-25=52", "52/2=26", "51-26=25" ]
Current State: 25:[77, 2, 25, 51], Operations: [] Exploring Operation: 77-25=52, Resulting Numbers: [2, 51, 52] Generated Node #2: [2, 51, 52] from Operation: 77-25=52 Current State: 25:[2, 51, 52], Operations: ['77-25=52'] Exploring Operation: 52/2=26, Resulting Numbers: [51, 26] Generated Node #3: [51, 26] from Operation: 52/2=26 Current State: 25:[51, 26], Operations: ['77-25=52', '52/2=26'] Exploring Operation: 51-26=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[77, 2, 25, 51], Operations: [] Exploring Operation: 77-2=75, Resulting Numbers: [25, 51, 75] Generated Node #0,0: 25:[25, 51, 75] Operation: 77-2=75 Exploring Operation: 51-2=49, Resulting Numbers: [77, 25, 49] Generated Node #0,1: 25:[77, 25, 49] Operation: 51-2=49 Exploring Operation: 77-51=26, Resulting Numbers: [2, 25, 26] Generated Node #0,2: 25:[2, 25, 26] Operation: 77-51=26 Exploring Operation: 51-25=26, Resulting Numbers: [77, 2, 26] Generated Node #0,3: 25:[77, 2, 26] Operation: 51-25=26 Exploring Operation: 77-25=52, Resulting Numbers: [2, 51, 52] Generated Node #0,4: 25:[2, 51, 52] Operation: 77-25=52 Moving to Node #0,2 Current State: 25:[2, 25, 26], Operations: ['77-51=26'] Exploring Operation: 26-25=1, Resulting Numbers: [2, 1] Generated Node #0,2,0: 25:[2, 1] Operation: 26-25=1 Exploring Operation: 2+26=28, Resulting Numbers: [25, 28] Generated Node #0,2,1: 25:[25, 28] Operation: 2+26=28 Exploring Operation: 26-2=24, Resulting Numbers: [25, 24] Generated Node #0,2,2: 25:[25, 24] Operation: 26-2=24 Exploring Operation: 25-2=23, Resulting Numbers: [26, 23] Generated Node #0,2,3: 25:[26, 23] Operation: 25-2=23 Exploring Operation: 2+25=27, Resulting Numbers: [26, 27] Generated Node #0,2,4: 25:[26, 27] Operation: 2+25=27 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 25:[25, 24], Operations: ['77-51=26', '26-2=24'] Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,25 unequal: No Solution Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,25 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 25:[25, 28], Operations: ['77-51=26', '2+26=28'] Exploring Operation: 25+28=53, Resulting Numbers: [53] 53,25 unequal: No Solution Exploring Operation: 28-25=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 25*28=700, Resulting Numbers: [700] 700,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 25:[26, 23], Operations: ['77-51=26', '25-2=23'] Exploring Operation: 26*23=598, Resulting Numbers: [598] 598,25 unequal: No Solution Exploring Operation: 26+23=49, Resulting Numbers: [49] 49,25 unequal: No Solution Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 25:[26, 27], Operations: ['77-51=26', '2+25=27'] Exploring Operation: 26+27=53, Resulting Numbers: [53] 53,25 unequal: No Solution Exploring Operation: 27-26=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 26*27=702, Resulting Numbers: [702] 702,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 25:[2, 1], Operations: ['77-51=26', '26-25=1'] Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,25 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: 25:[2, 51, 52], Operations: ['77-25=52'] Exploring Operation: 52-2=50, Resulting Numbers: [51, 50] Generated Node #0,4,0: 25:[51, 50] Operation: 52-2=50 Exploring Operation: 52/2=26, Resulting Numbers: [51, 26] Generated Node #0,4,1: 25:[51, 26] Operation: 52/2=26 Exploring Operation: 51-2=49, Resulting Numbers: [52, 49] Generated Node #0,4,2: 25:[52, 49] Operation: 51-2=49 Exploring Operation: 2+51=53, Resulting Numbers: [52, 53] Generated Node #0,4,3: 25:[52, 53] Operation: 2+51=53 Exploring Operation: 52-51=1, Resulting Numbers: [2, 1] Generated Node #0,4,4: 25:[2, 1] Operation: 52-51=1 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 25:[2, 1], Operations: ['77-25=52', '52-51=1'] Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 25:[51, 26], Operations: ['77-25=52', '52/2=26'] Exploring Operation: 51*26=1326, Resulting Numbers: [1326] 1326,25 unequal: No Solution Exploring Operation: 51-26=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[77, 2, 25, 51], Operations: [] Exploring Operation: 77-25=52, Resulting Numbers: [2, 51, 52] Generated Node #0,4: 25:[2, 51, 52] Operation: 77-25=52 Moving to Node #0,4 Current State: 25:[2, 51, 52], Operations: ['77-25=52'] Exploring Operation: 52/2=26, Resulting Numbers: [51, 26] Generated Node #0,4,1: 25:[51, 26] Operation: 52/2=26 Moving to Node #0,4,1 Current State: 25:[51, 26], Operations: ['77-25=52', '52/2=26'] Exploring Operation: 51-26=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_5
sum_heuristic