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
[ 24, 18, 21, 85 ]
22
[ "24+18=42", "85-21=64", "64-42=22" ]
Current State: 22:[24, 18, 21, 85], Operations: [] Exploring Operation: 24+18=42, Resulting Numbers: [21, 85, 42] Generated Node #2: [21, 85, 42] from Operation: 24+18=42 Current State: 22:[21, 85, 42], Operations: ['24+18=42'] Exploring Operation: 85-21=64, Resulting Numbers: [42, 64] Generated Node #3: [42, 64] from Operation: 85-21=64 Current State: 22:[42, 64], Operations: ['24+18=42', '85-21=64'] Exploring Operation: 64-42=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[24, 18, 21, 85], Operations: [] Exploring Operation: 85-18=67, Resulting Numbers: [24, 21, 67] Generated Node #0,0: 22:[24, 21, 67] Operation: 85-18=67 Exploring Operation: 85-24=61, Resulting Numbers: [18, 21, 61] Generated Node #0,1: 22:[18, 21, 61] Operation: 85-24=61 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[18, 21, 61], Operations: ['85-24=61'] Exploring Operation: 61-18=43, Resulting Numbers: [21, 43] Generated Node #0,1,0: 22:[21, 43] Operation: 61-18=43 Exploring Operation: 61-21=40, Resulting Numbers: [18, 40] Generated Node #0,1,1: 22:[18, 40] Operation: 61-21=40 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 22:[21, 43], Operations: ['85-24=61', '61-18=43'] Exploring Operation: 21+43=64, Resulting Numbers: [64] 64,22 unequal: No Solution Exploring Operation: 43-21=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[24, 18, 21, 85], Operations: [] Exploring Operation: 85-24=61, Resulting Numbers: [18, 21, 61] Generated Node #0,1: 22:[18, 21, 61] Operation: 85-24=61 Moving to Node #0,1 Current State: 22:[18, 21, 61], Operations: ['85-24=61'] Exploring Operation: 61-18=43, Resulting Numbers: [21, 43] Generated Node #0,1,0: 22:[21, 43] Operation: 61-18=43 Moving to Node #0,1,0 Current State: 22:[21, 43], Operations: ['85-24=61', '61-18=43'] Exploring Operation: 43-21=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 28, 75, 8, 19 ]
35
[ "75-19=56", "56/8=7", "28+7=35" ]
Current State: 35:[28, 75, 8, 19], Operations: [] Exploring Operation: 75-19=56, Resulting Numbers: [28, 8, 56] Generated Node #2: [28, 8, 56] from Operation: 75-19=56 Current State: 35:[28, 8, 56], Operations: ['75-19=56'] Exploring Operation: 56/8=7, Resulting Numbers: [28, 7] Generated Node #3: [28, 7] from Operation: 56/8=7 Current State: 35:[28, 7], Operations: ['75-19=56', '56/8=7'] Exploring Operation: 28+7=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[28, 75, 8, 19], Operations: [] Exploring Operation: 28-19=9, Resulting Numbers: [75, 8, 9] Generated Node #0,0: 35:[75, 8, 9] Operation: 28-19=9 Exploring Operation: 75-19=56, Resulting Numbers: [28, 8, 56] Generated Node #0,1: 35:[28, 8, 56] Operation: 75-19=56 Exploring Operation: 75-28=47, Resulting Numbers: [8, 19, 47] Generated Node #0,2: 35:[8, 19, 47] Operation: 75-28=47 Exploring Operation: 19-8=11, Resulting Numbers: [28, 75, 11] Generated Node #0,3: 35:[28, 75, 11] Operation: 19-8=11 Exploring Operation: 75-8=67, Resulting Numbers: [28, 19, 67] Generated Node #0,4: 35:[28, 19, 67] Operation: 75-8=67 Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[8, 19, 47], Operations: ['75-28=47'] Exploring Operation: 8+47=55, Resulting Numbers: [19, 55] Generated Node #0,2,0: 35:[19, 55] Operation: 8+47=55 Exploring Operation: 19-8=11, Resulting Numbers: [47, 11] Generated Node #0,2,1: 35:[47, 11] Operation: 19-8=11 Exploring Operation: 8+19=27, Resulting Numbers: [47, 27] Generated Node #0,2,2: 35:[47, 27] Operation: 8+19=27 Exploring Operation: 47-19=28, Resulting Numbers: [8, 28] Generated Node #0,2,3: 35:[8, 28] Operation: 47-19=28 Exploring Operation: 47-8=39, Resulting Numbers: [19, 39] Generated Node #0,2,4: 35:[19, 39] Operation: 47-8=39 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 35:[8, 28], Operations: ['75-28=47', '47-19=28'] Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,35 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,35 unequal: No Solution Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 35:[47, 11], Operations: ['75-28=47', '19-8=11'] Exploring Operation: 47+11=58, Resulting Numbers: [58] 58,35 unequal: No Solution Exploring Operation: 47*11=517, Resulting Numbers: [517] 517,35 unequal: No Solution Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 35:[19, 39], Operations: ['75-28=47', '47-8=39'] Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,35 unequal: No Solution Exploring Operation: 19+39=58, Resulting Numbers: [58] 58,35 unequal: No Solution Exploring Operation: 19*39=741, Resulting Numbers: [741] 741,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 35:[47, 27], Operations: ['75-28=47', '8+19=27'] Exploring Operation: 47*27=1269, Resulting Numbers: [1269] 1269,35 unequal: No Solution Exploring Operation: 47-27=20, Resulting Numbers: [20] 20,35 unequal: No Solution Exploring Operation: 47+27=74, Resulting Numbers: [74] 74,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 35:[19, 55], Operations: ['75-28=47', '8+47=55'] Exploring Operation: 19+55=74, Resulting Numbers: [74] 74,35 unequal: No Solution Exploring Operation: 55-19=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 19*55=1045, Resulting Numbers: [1045] 1045,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[28, 8, 56], Operations: ['75-19=56'] Exploring Operation: 56-8=48, Resulting Numbers: [28, 48] Generated Node #0,1,0: 35:[28, 48] Operation: 56-8=48 Exploring Operation: 28+8=36, Resulting Numbers: [56, 36] Generated Node #0,1,1: 35:[56, 36] Operation: 28+8=36 Exploring Operation: 56/8=7, Resulting Numbers: [28, 7] Generated Node #0,1,2: 35:[28, 7] Operation: 56/8=7 Exploring Operation: 56/28=2, Resulting Numbers: [8, 2] Generated Node #0,1,3: 35:[8, 2] Operation: 56/28=2 Exploring Operation: 56-28=28, Resulting Numbers: [8, 28] Generated Node #0,1,4: 35:[8, 28] Operation: 56-28=28 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 35:[8, 2], Operations: ['75-19=56', '56/28=2'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,35 unequal: No Solution Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,35 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 35:[28, 7], Operations: ['75-19=56', '56/8=7'] Exploring Operation: 28*7=196, Resulting Numbers: [196] 196,35 unequal: No Solution Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,35 unequal: No Solution Exploring Operation: 28+7=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[28, 75, 8, 19], Operations: [] Exploring Operation: 75-19=56, Resulting Numbers: [28, 8, 56] Generated Node #0,1: 35:[28, 8, 56] Operation: 75-19=56 Moving to Node #0,1 Current State: 35:[28, 8, 56], Operations: ['75-19=56'] Exploring Operation: 56/8=7, Resulting Numbers: [28, 7] Generated Node #0,1,2: 35:[28, 7] Operation: 56/8=7 Moving to Node #0,1,2 Current State: 35:[28, 7], Operations: ['75-19=56', '56/8=7'] Exploring Operation: 28+7=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96441
hs_5
sum_heuristic
[ 30, 89, 61, 4 ]
92
[ "30*4=120", "89-61=28", "120-28=92" ]
Current State: 92:[30, 89, 61, 4], Operations: [] Exploring Operation: 30*4=120, Resulting Numbers: [89, 61, 120] Generated Node #2: [89, 61, 120] from Operation: 30*4=120 Current State: 92:[89, 61, 120], Operations: ['30*4=120'] Exploring Operation: 89-61=28, Resulting Numbers: [120, 28] Generated Node #3: [120, 28] from Operation: 89-61=28 Current State: 92:[120, 28], Operations: ['30*4=120', '89-61=28'] Exploring Operation: 120-28=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[30, 89, 61, 4], Operations: [] Exploring Operation: 30+61=91, Resulting Numbers: [89, 4, 91] Generated Node #0,0: 92:[89, 4, 91] Operation: 30+61=91 Exploring Operation: 61-4=57, Resulting Numbers: [30, 89, 57] Generated Node #0,1: 92:[30, 89, 57] Operation: 61-4=57 Exploring Operation: 61-30=31, Resulting Numbers: [89, 4, 31] Generated Node #0,2: 92:[89, 4, 31] Operation: 61-30=31 Exploring Operation: 89-61=28, Resulting Numbers: [30, 4, 28] Generated Node #0,3: 92:[30, 4, 28] Operation: 89-61=28 Exploring Operation: 30-4=26, Resulting Numbers: [89, 61, 26] Generated Node #0,4: 92:[89, 61, 26] Operation: 30-4=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[89, 4, 91], Operations: ['30+61=91'] Exploring Operation: 89+4=93, Resulting Numbers: [91, 93] Generated Node #0,0,0: 92:[91, 93] Operation: 89+4=93 Exploring Operation: 4+91=95, Resulting Numbers: [89, 95] Generated Node #0,0,1: 92:[89, 95] Operation: 4+91=95 Exploring Operation: 91-89=2, Resulting Numbers: [4, 2] Generated Node #0,0,2: 92:[4, 2] Operation: 91-89=2 Exploring Operation: 89-4=85, Resulting Numbers: [91, 85] Generated Node #0,0,3: 92:[91, 85] Operation: 89-4=85 Exploring Operation: 91-4=87, Resulting Numbers: [89, 87] Generated Node #0,0,4: 92:[89, 87] Operation: 91-4=87 Moving to Node #0,0,2 Current State: 92:[4, 2], Operations: ['30+61=91', '91-89=2'] Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,92 unequal: No Solution Moving to Node #0,0,0 Current State: 92:[91, 93], Operations: ['30+61=91', '89+4=93'] Exploring Operation: 91+93=184, Resulting Numbers: [184] 184,92 unequal: No Solution Exploring Operation: 91*93=8463, Resulting Numbers: [8463] 8463,92 unequal: No Solution Exploring Operation: 93-91=2, Resulting Numbers: [2] 2,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[89, 95], Operations: ['30+61=91', '4+91=95'] Exploring Operation: 95-89=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 89*95=8455, Resulting Numbers: [8455] 8455,92 unequal: No Solution Exploring Operation: 89+95=184, Resulting Numbers: [184] 184,92 unequal: No Solution Moving to Node #0,0,3 Current State: 92:[91, 85], Operations: ['30+61=91', '89-4=85'] Exploring Operation: 91-85=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 91*85=7735, Resulting Numbers: [7735] 7735,92 unequal: No Solution Exploring Operation: 91+85=176, Resulting Numbers: [176] 176,92 unequal: No Solution Moving to Node #0,0,4 Current State: 92:[89, 87], Operations: ['30+61=91', '91-4=87'] Exploring Operation: 89+87=176, Resulting Numbers: [176] 176,92 unequal: No Solution Exploring Operation: 89*87=7743, Resulting Numbers: [7743] 7743,92 unequal: No Solution Exploring Operation: 89-87=2, Resulting Numbers: [2] 2,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[89, 4, 31], Operations: ['61-30=31'] Exploring Operation: 4+31=35, Resulting Numbers: [89, 35] Generated Node #0,2,0: 92:[89, 35] Operation: 4+31=35 Exploring Operation: 89+4=93, Resulting Numbers: [31, 93] Generated Node #0,2,1: 92:[31, 93] Operation: 89+4=93 Exploring Operation: 89-31=58, Resulting Numbers: [4, 58] Generated Node #0,2,2: 92:[4, 58] Operation: 89-31=58 Exploring Operation: 89-4=85, Resulting Numbers: [31, 85] Generated Node #0,2,3: 92:[31, 85] Operation: 89-4=85 Exploring Operation: 31-4=27, Resulting Numbers: [89, 27] Generated Node #0,2,4: 92:[89, 27] Operation: 31-4=27 Moving to Node #0,2,4 Current State: 92:[89, 27], Operations: ['61-30=31', '31-4=27'] Exploring Operation: 89-27=62, Resulting Numbers: [62] 62,92 unequal: No Solution Exploring Operation: 89+27=116, Resulting Numbers: [116] 116,92 unequal: No Solution Exploring Operation: 89*27=2403, Resulting Numbers: [2403] 2403,92 unequal: No Solution Moving to Node #0,2,1 Current State: 92:[31, 93], Operations: ['61-30=31', '89+4=93'] Exploring Operation: 31*93=2883, Resulting Numbers: [2883] 2883,92 unequal: No Solution Exploring Operation: 93-31=62, Resulting Numbers: [62] 62,92 unequal: No Solution Exploring Operation: 31+93=124, Resulting Numbers: [124] 124,92 unequal: No Solution Exploring Operation: 93/31=3, Resulting Numbers: [3] 3,92 unequal: No Solution Moving to Node #0,2,2 Current State: 92:[4, 58], Operations: ['61-30=31', '89-31=58'] Exploring Operation: 4+58=62, Resulting Numbers: [62] 62,92 unequal: No Solution Exploring Operation: 4*58=232, Resulting Numbers: [232] 232,92 unequal: No Solution Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,92 unequal: No Solution Moving to Node #0,2,0 Current State: 92:[89, 35], Operations: ['61-30=31', '4+31=35'] Exploring Operation: 89-35=54, Resulting Numbers: [54] 54,92 unequal: No Solution Exploring Operation: 89*35=3115, Resulting Numbers: [3115] 3115,92 unequal: No Solution Exploring Operation: 89+35=124, Resulting Numbers: [124] 124,92 unequal: No Solution Moving to Node #0,2,3 Current State: 92:[31, 85], Operations: ['61-30=31', '89-4=85'] Exploring Operation: 31+85=116, Resulting Numbers: [116] 116,92 unequal: No Solution Exploring Operation: 85-31=54, Resulting Numbers: [54] 54,92 unequal: No Solution Exploring Operation: 31*85=2635, Resulting Numbers: [2635] 2635,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 92:[30, 4, 28], Operations: ['89-61=28'] Exploring Operation: 28/4=7, Resulting Numbers: [30, 7] Generated Node #0,3,0: 92:[30, 7] Operation: 28/4=7 Exploring Operation: 30-4=26, Resulting Numbers: [28, 26] Generated Node #0,3,1: 92:[28, 26] Operation: 30-4=26 Exploring Operation: 30+28=58, Resulting Numbers: [4, 58] Generated Node #0,3,2: 92:[4, 58] Operation: 30+28=58 Exploring Operation: 30-28=2, Resulting Numbers: [4, 2] Generated Node #0,3,3: 92:[4, 2] Operation: 30-28=2 Exploring Operation: 28-4=24, Resulting Numbers: [30, 24] Generated Node #0,3,4: 92:[30, 24] Operation: 28-4=24 Moving to Node #0,3,3 Current State: 92:[4, 2], Operations: ['89-61=28', '30-28=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,92 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,92 unequal: No Solution Moving to Node #0,3,4 Current State: 92:[30, 24], Operations: ['89-61=28', '28-4=24'] Exploring Operation: 30*24=720, Resulting Numbers: [720] 720,92 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 30+24=54, Resulting Numbers: [54] 54,92 unequal: No Solution Moving to Node #0,3,1 Current State: 92:[28, 26], Operations: ['89-61=28', '30-4=26'] Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 28*26=728, Resulting Numbers: [728] 728,92 unequal: No Solution Exploring Operation: 28+26=54, Resulting Numbers: [54] 54,92 unequal: No Solution Moving to Node #0,3,0 Current State: 92:[30, 7], Operations: ['89-61=28', '28/4=7'] Exploring Operation: 30*7=210, Resulting Numbers: [210] 210,92 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,92 unequal: No Solution Exploring Operation: 30+7=37, Resulting Numbers: [37] 37,92 unequal: No Solution Moving to Node #0,3,2 Current State: 92:[4, 58], Operations: ['89-61=28', '30+28=58'] Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,92 unequal: No Solution Exploring Operation: 4*58=232, Resulting Numbers: [232] 232,92 unequal: No Solution Exploring Operation: 4+58=62, Resulting Numbers: [62] 62,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[30, 89, 57], Operations: ['61-4=57'] Exploring Operation: 30+57=87, Resulting Numbers: [89, 87] Generated Node #0,1,0: 92:[89, 87] Operation: 30+57=87 Exploring Operation: 89-57=32, Resulting Numbers: [30, 32] Generated Node #0,1,1: 92:[30, 32] Operation: 89-57=32 Exploring Operation: 30+89=119, Resulting Numbers: [57, 119] Generated Node #0,1,2: 92:[57, 119] Operation: 30+89=119 Exploring Operation: 89-30=59, Resulting Numbers: [57, 59] Generated Node #0,1,3: 92:[57, 59] Operation: 89-30=59 Exploring Operation: 57-30=27, Resulting Numbers: [89, 27] Generated Node #0,1,4: 92:[89, 27] Operation: 57-30=27 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 92:[89, 27], Operations: ['61-4=57', '57-30=27'] Exploring Operation: 89-27=62, Resulting Numbers: [62] 62,92 unequal: No Solution Exploring Operation: 89+27=116, Resulting Numbers: [116] 116,92 unequal: No Solution Exploring Operation: 89*27=2403, Resulting Numbers: [2403] 2403,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 92:[89, 87], Operations: ['61-4=57', '30+57=87'] Exploring Operation: 89+87=176, Resulting Numbers: [176] 176,92 unequal: No Solution Exploring Operation: 89-87=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 89*87=7743, Resulting Numbers: [7743] 7743,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 92:[30, 32], Operations: ['61-4=57', '89-57=32'] Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 30*32=960, Resulting Numbers: [960] 960,92 unequal: No Solution Exploring Operation: 30+32=62, Resulting Numbers: [62] 62,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 92:[57, 59], Operations: ['61-4=57', '89-30=59'] Exploring Operation: 59-57=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 57+59=116, Resulting Numbers: [116] 116,92 unequal: No Solution Exploring Operation: 57*59=3363, Resulting Numbers: [3363] 3363,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 92:[57, 119], Operations: ['61-4=57', '30+89=119'] Exploring Operation: 57+119=176, Resulting Numbers: [176] 176,92 unequal: No Solution Exploring Operation: 57*119=6783, Resulting Numbers: [6783] 6783,92 unequal: No Solution Exploring Operation: 119-57=62, Resulting Numbers: [62] 62,92 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 #0,4 Current State: 92:[89, 61, 26], Operations: ['30-4=26'] Exploring Operation: 89-26=63, Resulting Numbers: [61, 63] Generated Node #0,4,0: 92:[61, 63] Operation: 89-26=63 Exploring Operation: 89+26=115, Resulting Numbers: [61, 115] Generated Node #0,4,1: 92:[61, 115] Operation: 89+26=115 Exploring Operation: 61-26=35, Resulting Numbers: [89, 35] Generated Node #0,4,2: 92:[89, 35] Operation: 61-26=35 Exploring Operation: 89-61=28, Resulting Numbers: [26, 28] Generated Node #0,4,3: 92:[26, 28] Operation: 89-61=28 Exploring Operation: 61+26=87, Resulting Numbers: [89, 87] Generated Node #0,4,4: 92:[89, 87] Operation: 61+26=87 Moving to Node #0,4,3 Current State: 92:[26, 28], Operations: ['30-4=26', '89-61=28'] Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 26+28=54, Resulting Numbers: [54] 54,92 unequal: No Solution Exploring Operation: 26*28=728, Resulting Numbers: [728] 728,92 unequal: No Solution Moving to Node #0,4,4 Current State: 92:[89, 87], Operations: ['30-4=26', '61+26=87'] Exploring Operation: 89+87=176, Resulting Numbers: [176] 176,92 unequal: No Solution Exploring Operation: 89*87=7743, Resulting Numbers: [7743] 7743,92 unequal: No Solution Exploring Operation: 89-87=2, Resulting Numbers: [2] 2,92 unequal: No Solution Moving to Node #0,4,2 Current State: 92:[89, 35], Operations: ['30-4=26', '61-26=35'] Exploring Operation: 89*35=3115, Resulting Numbers: [3115] 3115,92 unequal: No Solution Exploring Operation: 89+35=124, Resulting Numbers: [124] 124,92 unequal: No Solution Exploring Operation: 89-35=54, Resulting Numbers: [54] 54,92 unequal: No Solution Moving to Node #0,4,0 Current State: 92:[61, 63], Operations: ['30-4=26', '89-26=63'] Exploring Operation: 61+63=124, Resulting Numbers: [124] 124,92 unequal: No Solution Exploring Operation: 61*63=3843, Resulting Numbers: [3843] 3843,92 unequal: No Solution Exploring Operation: 63-61=2, Resulting Numbers: [2] 2,92 unequal: No Solution Moving to Node #0,4,1 Current State: 92:[61, 115], Operations: ['30-4=26', '89+26=115'] Exploring Operation: 115-61=54, Resulting Numbers: [54] 54,92 unequal: No Solution Exploring Operation: 61*115=7015, Resulting Numbers: [7015] 7015,92 unequal: No Solution Exploring Operation: 61+115=176, Resulting Numbers: [176] 176,92 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
[ 19, 3, 9, 49 ]
81
[ "49-19=30", "3*30=90", "90-9=81" ]
Current State: 81:[19, 3, 9, 49], Operations: [] Exploring Operation: 49-19=30, Resulting Numbers: [3, 9, 30] Generated Node #2: [3, 9, 30] from Operation: 49-19=30 Current State: 81:[3, 9, 30], Operations: ['49-19=30'] Exploring Operation: 3*30=90, Resulting Numbers: [9, 90] Generated Node #3: [9, 90] from Operation: 3*30=90 Current State: 81:[9, 90], Operations: ['49-19=30', '3*30=90'] Exploring Operation: 90-9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[19, 3, 9, 49], Operations: [] Exploring Operation: 49-19=30, Resulting Numbers: [3, 9, 30] Generated Node #0,0: 81:[3, 9, 30] Operation: 49-19=30 Exploring Operation: 19+49=68, Resulting Numbers: [3, 9, 68] Generated Node #0,1: 81:[3, 9, 68] Operation: 19+49=68 Exploring Operation: 49-9=40, Resulting Numbers: [19, 3, 40] Generated Node #0,2: 81:[19, 3, 40] Operation: 49-9=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[3, 9, 30], Operations: ['49-19=30'] Exploring Operation: 30-3=27, Resulting Numbers: [9, 27] Generated Node #0,0,0: 81:[9, 27] Operation: 30-3=27 Exploring Operation: 30/3=10, Resulting Numbers: [9, 10] Generated Node #0,0,1: 81:[9, 10] Operation: 30/3=10 Exploring Operation: 3*9=27, Resulting Numbers: [30, 27] Generated Node #0,0,2: 81:[30, 27] Operation: 3*9=27 Moving to Node #0,0,0 Current State: 81:[9, 27], Operations: ['49-19=30', '30-3=27'] Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 9+27=36, Resulting Numbers: [36] 36,81 unequal: No Solution Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[9, 10], Operations: ['49-19=30', '30/3=10'] Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,81 unequal: No Solution Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,81 unequal: No Solution Moving to Node #0,0,2 Current State: 81:[30, 27], Operations: ['49-19=30', '3*9=27'] Exploring Operation: 30+27=57, Resulting Numbers: [57] 57,81 unequal: No Solution Exploring Operation: 30-27=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 30*27=810, Resulting Numbers: [810] 810,81 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:[3, 9, 68], Operations: ['19+49=68'] Exploring Operation: 3*9=27, Resulting Numbers: [68, 27] Generated Node #0,1,0: 81:[68, 27] Operation: 3*9=27 Exploring Operation: 3+68=71, Resulting Numbers: [9, 71] Generated Node #0,1,1: 81:[9, 71] Operation: 3+68=71 Exploring Operation: 9+68=77, Resulting Numbers: [3, 77] Generated Node #0,1,2: 81:[3, 77] Operation: 9+68=77 Moving to Node #0,1,2 Current State: 81:[3, 77], Operations: ['19+49=68', '9+68=77'] Exploring Operation: 3*77=231, Resulting Numbers: [231] 231,81 unequal: No Solution Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,81 unequal: No Solution Exploring Operation: 3+77=80, Resulting Numbers: [80] 80,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[9, 71], Operations: ['19+49=68', '3+68=71'] Exploring Operation: 9*71=639, Resulting Numbers: [639] 639,81 unequal: No Solution Exploring Operation: 9+71=80, Resulting Numbers: [80] 80,81 unequal: No Solution Exploring Operation: 71-9=62, Resulting Numbers: [62] 62,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[68, 27], Operations: ['19+49=68', '3*9=27'] Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,81 unequal: No Solution Exploring Operation: 68+27=95, Resulting Numbers: [95] 95,81 unequal: No Solution Exploring Operation: 68*27=1836, Resulting Numbers: [1836] 1836,81 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 #0,2 Current State: 81:[19, 3, 40], Operations: ['49-9=40'] Exploring Operation: 40-3=37, Resulting Numbers: [19, 37] Generated Node #0,2,0: 81:[19, 37] Operation: 40-3=37 Exploring Operation: 40-19=21, Resulting Numbers: [3, 21] Generated Node #0,2,1: 81:[3, 21] Operation: 40-19=21 Exploring Operation: 19+3=22, Resulting Numbers: [40, 22] Generated Node #0,2,2: 81:[40, 22] Operation: 19+3=22 Moving to Node #0,2,1 Current State: 81:[3, 21], Operations: ['49-9=40', '40-19=21'] Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,81 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,81 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,81 unequal: No Solution Moving to Node #0,2,0 Current State: 81:[19, 37], Operations: ['49-9=40', '40-3=37'] Exploring Operation: 37-19=18, Resulting Numbers: [18] 18,81 unequal: No Solution Exploring Operation: 19+37=56, Resulting Numbers: [56] 56,81 unequal: No Solution Exploring Operation: 19*37=703, Resulting Numbers: [703] 703,81 unequal: No Solution Moving to Node #0,2,2 Current State: 81:[40, 22], Operations: ['49-9=40', '19+3=22'] Exploring Operation: 40*22=880, Resulting Numbers: [880] 880,81 unequal: No Solution Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,81 unequal: No Solution Exploring Operation: 40+22=62, Resulting Numbers: [62] 62,81 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
[ 28, 22, 29, 54 ]
84
[ "22+29=51", "54-51=3", "28*3=84" ]
Current State: 84:[28, 22, 29, 54], Operations: [] Exploring Operation: 22+29=51, Resulting Numbers: [28, 54, 51] Generated Node #2: [28, 54, 51] from Operation: 22+29=51 Current State: 84:[28, 54, 51], Operations: ['22+29=51'] Exploring Operation: 54-51=3, Resulting Numbers: [28, 3] Generated Node #3: [28, 3] from Operation: 54-51=3 Current State: 84:[28, 3], Operations: ['22+29=51', '54-51=3'] Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[28, 22, 29, 54], Operations: [] Exploring Operation: 29+54=83, Resulting Numbers: [28, 22, 83] Generated Node #0,0: 84:[28, 22, 83] Operation: 29+54=83 Exploring Operation: 54-28=26, Resulting Numbers: [22, 29, 26] Generated Node #0,1: 84:[22, 29, 26] Operation: 54-28=26 Exploring Operation: 54-29=25, Resulting Numbers: [28, 22, 25] Generated Node #0,2: 84:[28, 22, 25] Operation: 54-29=25 Exploring Operation: 28+54=82, Resulting Numbers: [22, 29, 82] Generated Node #0,3: 84:[22, 29, 82] Operation: 28+54=82 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[28, 22, 83], Operations: ['29+54=83'] Exploring Operation: 83-28=55, Resulting Numbers: [22, 55] Generated Node #0,0,0: 84:[22, 55] Operation: 83-28=55 Exploring Operation: 83-22=61, Resulting Numbers: [28, 61] Generated Node #0,0,1: 84:[28, 61] Operation: 83-22=61 Exploring Operation: 28+22=50, Resulting Numbers: [83, 50] Generated Node #0,0,2: 84:[83, 50] Operation: 28+22=50 Exploring Operation: 28-22=6, Resulting Numbers: [83, 6] Generated Node #0,0,3: 84:[83, 6] Operation: 28-22=6 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 84:[83, 6], Operations: ['29+54=83', '28-22=6'] Exploring Operation: 83*6=498, Resulting Numbers: [498] 498,84 unequal: No Solution Exploring Operation: 83-6=77, Resulting Numbers: [77] 77,84 unequal: No Solution Exploring Operation: 83+6=89, Resulting Numbers: [89] 89,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 84:[83, 50], Operations: ['29+54=83', '28+22=50'] Exploring Operation: 83*50=4150, Resulting Numbers: [4150] 4150,84 unequal: No Solution Exploring Operation: 83-50=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 83+50=133, Resulting Numbers: [133] 133,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[22, 55], Operations: ['29+54=83', '83-28=55'] Exploring Operation: 55-22=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 22*55=1210, Resulting Numbers: [1210] 1210,84 unequal: No Solution Exploring Operation: 22+55=77, Resulting Numbers: [77] 77,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 84:[28, 61], Operations: ['29+54=83', '83-22=61'] Exploring Operation: 61-28=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 28*61=1708, Resulting Numbers: [1708] 1708,84 unequal: No Solution Exploring Operation: 28+61=89, Resulting Numbers: [89] 89,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[22, 29, 26], Operations: ['54-28=26'] Exploring Operation: 22+26=48, Resulting Numbers: [29, 48] Generated Node #0,1,0: 84:[29, 48] Operation: 22+26=48 Exploring Operation: 29-26=3, Resulting Numbers: [22, 3] Generated Node #0,1,1: 84:[22, 3] Operation: 29-26=3 Exploring Operation: 26-22=4, Resulting Numbers: [29, 4] Generated Node #0,1,2: 84:[29, 4] Operation: 26-22=4 Exploring Operation: 29-22=7, Resulting Numbers: [26, 7] Generated Node #0,1,3: 84:[26, 7] Operation: 29-22=7 Moving to Node #0,1,1 Current State: 84:[22, 3], Operations: ['54-28=26', '29-26=3'] Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,84 unequal: No Solution Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,84 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,84 unequal: No Solution Moving to Node #0,1,2 Current State: 84:[29, 4], Operations: ['54-28=26', '26-22=4'] Exploring Operation: 29+4=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 29*4=116, Resulting Numbers: [116] 116,84 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,84 unequal: No Solution Moving to Node #0,1,3 Current State: 84:[26, 7], Operations: ['54-28=26', '29-22=7'] Exploring Operation: 26+7=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 26*7=182, Resulting Numbers: [182] 182,84 unequal: No Solution Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,84 unequal: No Solution Moving to Node #0,1,0 Current State: 84:[29, 48], Operations: ['54-28=26', '22+26=48'] Exploring Operation: 29*48=1392, Resulting Numbers: [1392] 1392,84 unequal: No Solution Exploring Operation: 29+48=77, Resulting Numbers: [77] 77,84 unequal: No Solution Exploring Operation: 48-29=19, Resulting Numbers: [19] 19,84 unequal: No Solution No 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: 84:[28, 22, 25], Operations: ['54-29=25'] Exploring Operation: 28-25=3, Resulting Numbers: [22, 3] Generated Node #0,2,0: 84:[22, 3] Operation: 28-25=3 Exploring Operation: 28-22=6, Resulting Numbers: [25, 6] Generated Node #0,2,1: 84:[25, 6] Operation: 28-22=6 Exploring Operation: 22+25=47, Resulting Numbers: [28, 47] Generated Node #0,2,2: 84:[28, 47] Operation: 22+25=47 Exploring Operation: 25-22=3, Resulting Numbers: [28, 3] Generated Node #0,2,3: 84:[28, 3] Operation: 25-22=3 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 84:[28, 3], Operations: ['54-29=25', '25-22=3'] Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[28, 22, 29, 54], Operations: [] Exploring Operation: 54-29=25, Resulting Numbers: [28, 22, 25] Generated Node #0,2: 84:[28, 22, 25] Operation: 54-29=25 Moving to Node #0,2 Current State: 84:[28, 22, 25], Operations: ['54-29=25'] Exploring Operation: 25-22=3, Resulting Numbers: [28, 3] Generated Node #0,2,3: 84:[28, 3] Operation: 25-22=3 Moving to Node #0,2,3 Current State: 84:[28, 3], Operations: ['54-29=25', '25-22=3'] Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.960938
hs_4
sum_heuristic
[ 39, 97, 68, 1 ]
67
[ "39+97=136", "68+1=69", "136-69=67" ]
Current State: 67:[39, 97, 68, 1], Operations: [] Exploring Operation: 39+97=136, Resulting Numbers: [68, 1, 136] Generated Node #2: [68, 1, 136] from Operation: 39+97=136 Current State: 67:[68, 1, 136], Operations: ['39+97=136'] Exploring Operation: 68+1=69, Resulting Numbers: [136, 69] Generated Node #3: [136, 69] from Operation: 68+1=69 Current State: 67:[136, 69], Operations: ['39+97=136', '68+1=69'] Exploring Operation: 136-69=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[39, 97, 68, 1], Operations: [] Exploring Operation: 39+1=40, Resulting Numbers: [97, 68, 40] Generated Node #0,0: 67:[97, 68, 40] Operation: 39+1=40 Exploring Operation: 68-1=67, Resulting Numbers: [39, 97, 67] Generated Node #0,1: 67:[39, 97, 67] Operation: 68-1=67 Exploring Operation: 97-1=96, Resulting Numbers: [39, 68, 96] Generated Node #0,2: 67:[39, 68, 96] Operation: 97-1=96 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[97, 68, 40], Operations: ['39+1=40'] Exploring Operation: 97-68=29, Resulting Numbers: [40, 29] Generated Node #0,0,0: 67:[40, 29] Operation: 97-68=29 Exploring Operation: 97-40=57, Resulting Numbers: [68, 57] Generated Node #0,0,1: 67:[68, 57] Operation: 97-40=57 Exploring Operation: 68-40=28, Resulting Numbers: [97, 28] Generated Node #0,0,2: 67:[97, 28] Operation: 68-40=28 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 67:[68, 57], Operations: ['39+1=40', '97-40=57'] Exploring Operation: 68-57=11, Resulting Numbers: [11] 11,67 unequal: No Solution Exploring Operation: 68+57=125, Resulting Numbers: [125] 125,67 unequal: No Solution Exploring Operation: 68*57=3876, Resulting Numbers: [3876] 3876,67 unequal: No Solution No 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: 67:[40, 29], Operations: ['39+1=40', '97-68=29'] Exploring Operation: 40-29=11, Resulting Numbers: [11] 11,67 unequal: No Solution Exploring Operation: 40+29=69, Resulting Numbers: [69] 69,67 unequal: No Solution Exploring Operation: 40*29=1160, Resulting Numbers: [1160] 1160,67 unequal: No Solution No 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: 67:[97, 28], Operations: ['39+1=40', '68-40=28'] Exploring Operation: 97*28=2716, Resulting Numbers: [2716] 2716,67 unequal: No Solution Exploring Operation: 97-28=69, Resulting Numbers: [69] 69,67 unequal: No Solution Exploring Operation: 97+28=125, Resulting Numbers: [125] 125,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[39, 97, 67], Operations: ['68-1=67'] Exploring Operation: 39+97=136, Resulting Numbers: [67, 136] Generated Node #0,1,0: 67:[67, 136] Operation: 39+97=136 Exploring Operation: 97-39=58, Resulting Numbers: [67, 58] Generated Node #0,1,1: 67:[67, 58] Operation: 97-39=58 Exploring Operation: 97-67=30, Resulting Numbers: [39, 30] Generated Node #0,1,2: 67:[39, 30] Operation: 97-67=30 Moving to Node #0,1,1 Current State: 67:[67, 58], Operations: ['68-1=67', '97-39=58'] Exploring Operation: 67*58=3886, Resulting Numbers: [3886] 3886,67 unequal: No Solution Exploring Operation: 67-58=9, Resulting Numbers: [9] 9,67 unequal: No Solution Exploring Operation: 67+58=125, Resulting Numbers: [125] 125,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[39, 30], Operations: ['68-1=67', '97-67=30'] Exploring Operation: 39+30=69, Resulting Numbers: [69] 69,67 unequal: No Solution Exploring Operation: 39*30=1170, Resulting Numbers: [1170] 1170,67 unequal: No Solution Exploring Operation: 39-30=9, Resulting Numbers: [9] 9,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[67, 136], Operations: ['68-1=67', '39+97=136'] Exploring Operation: 67+136=203, Resulting Numbers: [203] 203,67 unequal: No Solution Exploring Operation: 67*136=9112, Resulting Numbers: [9112] 9112,67 unequal: No Solution Exploring Operation: 136-67=69, Resulting Numbers: [69] 69,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[39, 68, 96], Operations: ['97-1=96'] Exploring Operation: 96-39=57, Resulting Numbers: [68, 57] Generated Node #0,2,0: 67:[68, 57] Operation: 96-39=57 Exploring Operation: 96-68=28, Resulting Numbers: [39, 28] Generated Node #0,2,1: 67:[39, 28] Operation: 96-68=28 Exploring Operation: 68-39=29, Resulting Numbers: [96, 29] Generated Node #0,2,2: 67:[96, 29] Operation: 68-39=29 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 67:[68, 57], Operations: ['97-1=96', '96-39=57'] Exploring Operation: 68-57=11, Resulting Numbers: [11] 11,67 unequal: No Solution Exploring Operation: 68*57=3876, Resulting Numbers: [3876] 3876,67 unequal: No Solution Exploring Operation: 68+57=125, Resulting Numbers: [125] 125,67 unequal: No Solution No 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: 67:[39, 28], Operations: ['97-1=96', '96-68=28'] Exploring Operation: 39*28=1092, Resulting Numbers: [1092] 1092,67 unequal: No Solution Exploring Operation: 39+28=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[39, 97, 68, 1], Operations: [] Exploring Operation: 97-1=96, Resulting Numbers: [39, 68, 96] Generated Node #0,2: 67:[39, 68, 96] Operation: 97-1=96 Moving to Node #0,2 Current State: 67:[39, 68, 96], Operations: ['97-1=96'] Exploring Operation: 96-68=28, Resulting Numbers: [39, 28] Generated Node #0,2,1: 67:[39, 28] Operation: 96-68=28 Moving to Node #0,2,1 Current State: 67:[39, 28], Operations: ['97-1=96', '96-68=28'] Exploring Operation: 39+28=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.966146
hs_3
sum_heuristic
[ 20, 70, 2, 73 ]
18
[ "73-20=53", "70/2=35", "53-35=18" ]
Current State: 18:[20, 70, 2, 73], Operations: [] Exploring Operation: 73-20=53, Resulting Numbers: [70, 2, 53] Generated Node #2: [70, 2, 53] from Operation: 73-20=53 Current State: 18:[70, 2, 53], Operations: ['73-20=53'] Exploring Operation: 70/2=35, Resulting Numbers: [53, 35] Generated Node #3: [53, 35] from Operation: 70/2=35 Current State: 18:[53, 35], Operations: ['73-20=53', '70/2=35'] Exploring Operation: 53-35=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[20, 70, 2, 73], Operations: [] Exploring Operation: 70/2=35, Resulting Numbers: [20, 73, 35] Generated Node #0,0: 18:[20, 73, 35] Operation: 70/2=35 Exploring Operation: 73-70=3, Resulting Numbers: [20, 2, 3] Generated Node #0,1: 18:[20, 2, 3] Operation: 73-70=3 Exploring Operation: 70-20=50, Resulting Numbers: [2, 73, 50] Generated Node #0,2: 18:[2, 73, 50] Operation: 70-20=50 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[20, 2, 3], Operations: ['73-70=3'] Exploring Operation: 20-2=18, Resulting Numbers: [3, 18] Generated Node #0,1,0: 18:[3, 18] Operation: 20-2=18 Exploring Operation: 20/2=10, Resulting Numbers: [3, 10] Generated Node #0,1,1: 18:[3, 10] Operation: 20/2=10 Exploring Operation: 20-3=17, Resulting Numbers: [2, 17] Generated Node #0,1,2: 18:[2, 17] Operation: 20-3=17 Moving to Node #0,1,0 Current State: 18:[3, 18], Operations: ['73-70=3', '20-2=18'] Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,18 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,18 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[3, 10], Operations: ['73-70=3', '20/2=10'] Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,18 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,18 unequal: No Solution Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,18 unequal: No Solution Moving to Node #0,1,2 Current State: 18:[2, 17], Operations: ['73-70=3', '20-3=17'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,18 unequal: No Solution Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,18 unequal: No Solution Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[20, 73, 35], Operations: ['70/2=35'] Exploring Operation: 73-35=38, Resulting Numbers: [20, 38] Generated Node #0,0,0: 18:[20, 38] Operation: 73-35=38 Exploring Operation: 73-20=53, Resulting Numbers: [35, 53] Generated Node #0,0,1: 18:[35, 53] Operation: 73-20=53 Exploring Operation: 35-20=15, Resulting Numbers: [73, 15] Generated Node #0,0,2: 18:[73, 15] Operation: 35-20=15 Moving to Node #0,0,0 Current State: 18:[20, 38], Operations: ['70/2=35', '73-35=38'] Exploring Operation: 20+38=58, Resulting Numbers: [58] 58,18 unequal: No Solution Exploring Operation: 20*38=760, Resulting Numbers: [760] 760,18 unequal: No Solution Exploring Operation: 38-20=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[20, 70, 2, 73], Operations: [] Exploring Operation: 70/2=35, Resulting Numbers: [20, 73, 35] Generated Node #0,0: 18:[20, 73, 35] Operation: 70/2=35 Moving to Node #0,0 Current State: 18:[20, 73, 35], Operations: ['70/2=35'] Exploring Operation: 73-35=38, Resulting Numbers: [20, 38] Generated Node #0,0,0: 18:[20, 38] Operation: 73-35=38 Moving to Node #0,0,0 Current State: 18:[20, 38], Operations: ['70/2=35', '73-35=38'] Exploring Operation: 38-20=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
sum_heuristic
[ 3, 57, 50, 78 ]
43
[ "3*57=171", "50+78=128", "171-128=43" ]
Current State: 43:[3, 57, 50, 78], Operations: [] Exploring Operation: 3*57=171, Resulting Numbers: [50, 78, 171] Generated Node #2: [50, 78, 171] from Operation: 3*57=171 Current State: 43:[50, 78, 171], Operations: ['3*57=171'] Exploring Operation: 50+78=128, Resulting Numbers: [171, 128] Generated Node #3: [171, 128] from Operation: 50+78=128 Current State: 43:[171, 128], Operations: ['3*57=171', '50+78=128'] Exploring Operation: 171-128=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[3, 57, 50, 78], Operations: [] Exploring Operation: 78/3=26, Resulting Numbers: [57, 50, 26] Generated Node #0,0: 43:[57, 50, 26] Operation: 78/3=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[57, 50, 26], Operations: ['78/3=26'] Exploring Operation: 57-26=31, Resulting Numbers: [50, 31] Generated Node #0,0,0: 43:[50, 31] Operation: 57-26=31 Moving to Node #0,0,0 Current State: 43:[50, 31], Operations: ['78/3=26', '57-26=31'] Exploring Operation: 50-31=19, Resulting Numbers: [19] 19,43 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
[ 8, 82, 38, 49 ]
64
[ "82+38=120", "120/8=15", "49+15=64" ]
Current State: 64:[8, 82, 38, 49], Operations: [] Exploring Operation: 82+38=120, Resulting Numbers: [8, 49, 120] Generated Node #2: [8, 49, 120] from Operation: 82+38=120 Current State: 64:[8, 49, 120], Operations: ['82+38=120'] Exploring Operation: 120/8=15, Resulting Numbers: [49, 15] Generated Node #3: [49, 15] from Operation: 120/8=15 Current State: 64:[49, 15], Operations: ['82+38=120', '120/8=15'] Exploring Operation: 49+15=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[8, 82, 38, 49], Operations: [] Exploring Operation: 49-38=11, Resulting Numbers: [8, 82, 11] Generated Node #0,0: 64:[8, 82, 11] Operation: 49-38=11 Exploring Operation: 82-49=33, Resulting Numbers: [8, 38, 33] Generated Node #0,1: 64:[8, 38, 33] Operation: 82-49=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[8, 38, 33], Operations: ['82-49=33'] Exploring Operation: 38-33=5, Resulting Numbers: [8, 5] Generated Node #0,1,0: 64:[8, 5] Operation: 38-33=5 Exploring Operation: 38-8=30, Resulting Numbers: [33, 30] Generated Node #0,1,1: 64:[33, 30] Operation: 38-8=30 Moving to Node #0,1,0 Current State: 64:[8, 5], Operations: ['82-49=33', '38-33=5'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,64 unequal: No Solution Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[33, 30], Operations: ['82-49=33', '38-8=30'] Exploring Operation: 33+30=63, Resulting Numbers: [63] 63,64 unequal: No Solution Exploring Operation: 33-30=3, Resulting Numbers: [3] 3,64 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:[8, 82, 11], Operations: ['49-38=11'] Exploring Operation: 82-11=71, Resulting Numbers: [8, 71] Generated Node #0,0,0: 64:[8, 71] Operation: 82-11=71 Exploring Operation: 82-8=74, Resulting Numbers: [11, 74] Generated Node #0,0,1: 64:[11, 74] Operation: 82-8=74 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 64:[8, 71], Operations: ['49-38=11', '82-11=71'] Exploring Operation: 8+71=79, Resulting Numbers: [79] 79,64 unequal: No Solution Exploring Operation: 71-8=63, Resulting Numbers: [63] 63,64 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 #0,0,1 Current State: 64:[11, 74], Operations: ['49-38=11', '82-8=74'] Exploring Operation: 11+74=85, Resulting Numbers: [85] 85,64 unequal: No Solution Exploring Operation: 74-11=63, Resulting Numbers: [63] 63,64 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 No solution found.
0
hs_2
sum_heuristic
[ 82, 96, 11, 13 ]
34
[ "13-11=2", "96/2=48", "82-48=34" ]
Current State: 34:[82, 96, 11, 13], Operations: [] Exploring Operation: 13-11=2, Resulting Numbers: [82, 96, 2] Generated Node #2: [82, 96, 2] from Operation: 13-11=2 Current State: 34:[82, 96, 2], Operations: ['13-11=2'] Exploring Operation: 96/2=48, Resulting Numbers: [82, 48] Generated Node #3: [82, 48] from Operation: 96/2=48 Current State: 34:[82, 48], Operations: ['13-11=2', '96/2=48'] Exploring Operation: 82-48=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[82, 96, 11, 13], Operations: [] Exploring Operation: 82-11=71, Resulting Numbers: [96, 13, 71] Generated Node #0,0: 34:[96, 13, 71] Operation: 82-11=71 Exploring Operation: 82-13=69, Resulting Numbers: [96, 11, 69] Generated Node #0,1: 34:[96, 11, 69] Operation: 82-13=69 Exploring Operation: 96-82=14, Resulting Numbers: [11, 13, 14] Generated Node #0,2: 34:[11, 13, 14] Operation: 96-82=14 Moving to Node #0,2 Current State: 34:[11, 13, 14], Operations: ['96-82=14'] Exploring Operation: 14-13=1, Resulting Numbers: [11, 1] Generated Node #0,2,0: 34:[11, 1] Operation: 14-13=1 Exploring Operation: 14-11=3, Resulting Numbers: [13, 3] Generated Node #0,2,1: 34:[13, 3] Operation: 14-11=3 Exploring Operation: 13-11=2, Resulting Numbers: [14, 2] Generated Node #0,2,2: 34:[14, 2] Operation: 13-11=2 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 34:[14, 2], Operations: ['96-82=14', '13-11=2'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 34:[13, 3], Operations: ['96-82=14', '14-11=3'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,34 unequal: No Solution Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 34:[11, 1], Operations: ['96-82=14', '14-13=1'] Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,34 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 34:[96, 13, 71], Operations: ['82-11=71'] Exploring Operation: 96-13=83, Resulting Numbers: [71, 83] Generated Node #0,0,0: 34:[71, 83] Operation: 96-13=83 Exploring Operation: 71-13=58, Resulting Numbers: [96, 58] Generated Node #0,0,1: 34:[96, 58] Operation: 71-13=58 Exploring Operation: 96-71=25, Resulting Numbers: [13, 25] Generated Node #0,0,2: 34:[13, 25] Operation: 96-71=25 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 34:[13, 25], Operations: ['82-11=71', '96-71=25'] Exploring Operation: 13*25=325, Resulting Numbers: [325] 325,34 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 13+25=38, Resulting Numbers: [38] 38,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[71, 83], Operations: ['82-11=71', '96-13=83'] Exploring Operation: 71+83=154, Resulting Numbers: [154] 154,34 unequal: No Solution Exploring Operation: 83-71=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 71*83=5893, Resulting Numbers: [5893] 5893,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 34:[96, 58], Operations: ['82-11=71', '71-13=58'] Exploring Operation: 96+58=154, Resulting Numbers: [154] 154,34 unequal: No Solution Exploring Operation: 96*58=5568, Resulting Numbers: [5568] 5568,34 unequal: No Solution Exploring Operation: 96-58=38, Resulting Numbers: [38] 38,34 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: 34:[96, 11, 69], Operations: ['82-13=69'] Exploring Operation: 69-11=58, Resulting Numbers: [96, 58] Generated Node #0,1,0: 34:[96, 58] Operation: 69-11=58 Exploring Operation: 96-69=27, Resulting Numbers: [11, 27] Generated Node #0,1,1: 34:[11, 27] Operation: 96-69=27 Exploring Operation: 96-11=85, Resulting Numbers: [69, 85] Generated Node #0,1,2: 34:[69, 85] Operation: 96-11=85 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 34:[11, 27], Operations: ['82-13=69', '96-69=27'] Exploring Operation: 11*27=297, Resulting Numbers: [297] 297,34 unequal: No Solution Exploring Operation: 11+27=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[96, 58], Operations: ['82-13=69', '69-11=58'] Exploring Operation: 96*58=5568, Resulting Numbers: [5568] 5568,34 unequal: No Solution Exploring Operation: 96-58=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 96+58=154, Resulting Numbers: [154] 154,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 34:[69, 85], Operations: ['82-13=69', '96-11=85'] Exploring Operation: 85-69=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 69*85=5865, Resulting Numbers: [5865] 5865,34 unequal: No Solution Exploring Operation: 69+85=154, Resulting Numbers: [154] 154,34 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
[ 42, 31, 58, 92 ]
39
[ "42+31=73", "92-58=34", "73-34=39" ]
Current State: 39:[42, 31, 58, 92], Operations: [] Exploring Operation: 42+31=73, Resulting Numbers: [58, 92, 73] Generated Node #2: [58, 92, 73] from Operation: 42+31=73 Current State: 39:[58, 92, 73], Operations: ['42+31=73'] Exploring Operation: 92-58=34, Resulting Numbers: [73, 34] Generated Node #3: [73, 34] from Operation: 92-58=34 Current State: 39:[73, 34], Operations: ['42+31=73', '92-58=34'] Exploring Operation: 73-34=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[42, 31, 58, 92], Operations: [] Exploring Operation: 92-58=34, Resulting Numbers: [42, 31, 34] Generated Node #0,0: 39:[42, 31, 34] Operation: 92-58=34 Exploring Operation: 92-42=50, Resulting Numbers: [31, 58, 50] Generated Node #0,1: 39:[31, 58, 50] Operation: 92-42=50 Moving to Node #0,0 Current State: 39:[42, 31, 34], Operations: ['92-58=34'] Exploring Operation: 42-31=11, Resulting Numbers: [34, 11] Generated Node #0,0,0: 39:[34, 11] Operation: 42-31=11 Exploring Operation: 34-31=3, Resulting Numbers: [42, 3] Generated Node #0,0,1: 39:[42, 3] Operation: 34-31=3 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 39:[42, 3], Operations: ['92-58=34', '34-31=3'] Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[42, 31, 58, 92], Operations: [] Exploring Operation: 92-58=34, Resulting Numbers: [42, 31, 34] Generated Node #0,0: 39:[42, 31, 34] Operation: 92-58=34 Moving to Node #0,0 Current State: 39:[42, 31, 34], Operations: ['92-58=34'] Exploring Operation: 34-31=3, Resulting Numbers: [42, 3] Generated Node #0,0,1: 39:[42, 3] Operation: 34-31=3 Moving to Node #0,0,1 Current State: 39:[42, 3], Operations: ['92-58=34', '34-31=3'] Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 85, 9, 44, 88 ]
67
[ "9*88=792", "792/44=18", "85-18=67" ]
Current State: 67:[85, 9, 44, 88], Operations: [] Exploring Operation: 9*88=792, Resulting Numbers: [85, 44, 792] Generated Node #2: [85, 44, 792] from Operation: 9*88=792 Current State: 67:[85, 44, 792], Operations: ['9*88=792'] Exploring Operation: 792/44=18, Resulting Numbers: [85, 18] Generated Node #3: [85, 18] from Operation: 792/44=18 Current State: 67:[85, 18], Operations: ['9*88=792', '792/44=18'] Exploring Operation: 85-18=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[85, 9, 44, 88], Operations: [] Exploring Operation: 85+9=94, Resulting Numbers: [44, 88, 94] Generated Node #0,0: 67:[44, 88, 94] Operation: 85+9=94 Exploring Operation: 85-9=76, Resulting Numbers: [44, 88, 76] Generated Node #0,1: 67:[44, 88, 76] Operation: 85-9=76 Exploring Operation: 88-9=79, Resulting Numbers: [85, 44, 79] Generated Node #0,2: 67:[85, 44, 79] Operation: 88-9=79 Exploring Operation: 44-9=35, Resulting Numbers: [85, 88, 35] Generated Node #0,3: 67:[85, 88, 35] Operation: 44-9=35 Exploring Operation: 9+44=53, Resulting Numbers: [85, 88, 53] Generated Node #0,4: 67:[85, 88, 53] Operation: 9+44=53 Moving to Node #0,1 Current State: 67:[44, 88, 76], Operations: ['85-9=76'] Exploring Operation: 88-44=44, Resulting Numbers: [76, 44] Generated Node #0,1,0: 67:[76, 44] Operation: 88-44=44 Exploring Operation: 88/44=2, Resulting Numbers: [76, 2] Generated Node #0,1,1: 67:[76, 2] Operation: 88/44=2 Exploring Operation: 44+88=132, Resulting Numbers: [76, 132] Generated Node #0,1,2: 67:[76, 132] Operation: 44+88=132 Exploring Operation: 44+76=120, Resulting Numbers: [88, 120] Generated Node #0,1,3: 67:[88, 120] Operation: 44+76=120 Exploring Operation: 76-44=32, Resulting Numbers: [88, 32] Generated Node #0,1,4: 67:[88, 32] Operation: 76-44=32 Moving to Node #0,4 Current State: 67:[85, 88, 53], Operations: ['9+44=53'] Exploring Operation: 88+53=141, Resulting Numbers: [85, 141] Generated Node #0,4,0: 67:[85, 141] Operation: 88+53=141 Exploring Operation: 85-53=32, Resulting Numbers: [88, 32] Generated Node #0,4,1: 67:[88, 32] Operation: 85-53=32 Exploring Operation: 88-85=3, Resulting Numbers: [53, 3] Generated Node #0,4,2: 67:[53, 3] Operation: 88-85=3 Exploring Operation: 88-53=35, Resulting Numbers: [85, 35] Generated Node #0,4,3: 67:[85, 35] Operation: 88-53=35 Exploring Operation: 85+53=138, Resulting Numbers: [88, 138] Generated Node #0,4,4: 67:[88, 138] Operation: 85+53=138 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 67:[85, 35], Operations: ['9+44=53', '88-53=35'] Exploring Operation: 85-35=50, Resulting Numbers: [50] 50,67 unequal: No Solution Exploring Operation: 85*35=2975, Resulting Numbers: [2975] 2975,67 unequal: No Solution Exploring Operation: 85+35=120, Resulting Numbers: [120] 120,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 67:[88, 32], Operations: ['9+44=53', '85-53=32'] Exploring Operation: 88+32=120, Resulting Numbers: [120] 120,67 unequal: No Solution Exploring Operation: 88*32=2816, Resulting Numbers: [2816] 2816,67 unequal: No Solution Exploring Operation: 88-32=56, Resulting Numbers: [56] 56,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 67:[53, 3], Operations: ['9+44=53', '88-85=3'] Exploring Operation: 53*3=159, Resulting Numbers: [159] 159,67 unequal: No Solution Exploring Operation: 53+3=56, Resulting Numbers: [56] 56,67 unequal: No Solution Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 67:[85, 141], Operations: ['9+44=53', '88+53=141'] Exploring Operation: 85*141=11985, Resulting Numbers: [11985] 11985,67 unequal: No Solution Exploring Operation: 85+141=226, Resulting Numbers: [226] 226,67 unequal: No Solution Exploring Operation: 141-85=56, Resulting Numbers: [56] 56,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 67:[88, 138], Operations: ['9+44=53', '85+53=138'] Exploring Operation: 138-88=50, Resulting Numbers: [50] 50,67 unequal: No Solution Exploring Operation: 88*138=12144, Resulting Numbers: [12144] 12144,67 unequal: No Solution Exploring Operation: 88+138=226, Resulting Numbers: [226] 226,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 67:[85, 44, 79], Operations: ['88-9=79'] Exploring Operation: 85+44=129, Resulting Numbers: [79, 129] Generated Node #0,2,0: 67:[79, 129] Operation: 85+44=129 Exploring Operation: 85-44=41, Resulting Numbers: [79, 41] Generated Node #0,2,1: 67:[79, 41] Operation: 85-44=41 Exploring Operation: 44+79=123, Resulting Numbers: [85, 123] Generated Node #0,2,2: 67:[85, 123] Operation: 44+79=123 Exploring Operation: 85-79=6, Resulting Numbers: [44, 6] Generated Node #0,2,3: 67:[44, 6] Operation: 85-79=6 Exploring Operation: 79-44=35, Resulting Numbers: [85, 35] Generated Node #0,2,4: 67:[85, 35] Operation: 79-44=35 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 67:[79, 41], Operations: ['88-9=79', '85-44=41'] Exploring Operation: 79+41=120, Resulting Numbers: [120] 120,67 unequal: No Solution Exploring Operation: 79*41=3239, Resulting Numbers: [3239] 3239,67 unequal: No Solution Exploring Operation: 79-41=38, Resulting Numbers: [38] 38,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 67:[85, 35], Operations: ['88-9=79', '79-44=35'] Exploring Operation: 85+35=120, Resulting Numbers: [120] 120,67 unequal: No Solution Exploring Operation: 85-35=50, Resulting Numbers: [50] 50,67 unequal: No Solution Exploring Operation: 85*35=2975, Resulting Numbers: [2975] 2975,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[79, 129], Operations: ['88-9=79', '85+44=129'] Exploring Operation: 79+129=208, Resulting Numbers: [208] 208,67 unequal: No Solution Exploring Operation: 129-79=50, Resulting Numbers: [50] 50,67 unequal: No Solution Exploring Operation: 79*129=10191, Resulting Numbers: [10191] 10191,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 67:[85, 123], Operations: ['88-9=79', '44+79=123'] Exploring Operation: 85+123=208, Resulting Numbers: [208] 208,67 unequal: No Solution Exploring Operation: 123-85=38, Resulting Numbers: [38] 38,67 unequal: No Solution Exploring Operation: 85*123=10455, Resulting Numbers: [10455] 10455,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 67:[44, 6], Operations: ['88-9=79', '85-79=6'] Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,67 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,67 unequal: No Solution Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,67 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: 67:[44, 88, 94], Operations: ['85+9=94'] Exploring Operation: 88/44=2, Resulting Numbers: [94, 2] Generated Node #0,0,0: 67:[94, 2] Operation: 88/44=2 Exploring Operation: 44+88=132, Resulting Numbers: [94, 132] Generated Node #0,0,1: 67:[94, 132] Operation: 44+88=132 Exploring Operation: 94-44=50, Resulting Numbers: [88, 50] Generated Node #0,0,2: 67:[88, 50] Operation: 94-44=50 Exploring Operation: 94-88=6, Resulting Numbers: [44, 6] Generated Node #0,0,3: 67:[44, 6] Operation: 94-88=6 Exploring Operation: 88-44=44, Resulting Numbers: [94, 44] Generated Node #0,0,4: 67:[94, 44] Operation: 88-44=44 Moving to Node #0,3 Current State: 67:[85, 88, 35], Operations: ['44-9=35'] Exploring Operation: 88-85=3, Resulting Numbers: [35, 3] Generated Node #0,3,0: 67:[35, 3] Operation: 88-85=3 Exploring Operation: 85-35=50, Resulting Numbers: [88, 50] Generated Node #0,3,1: 67:[88, 50] Operation: 85-35=50 Exploring Operation: 88+35=123, Resulting Numbers: [85, 123] Generated Node #0,3,2: 67:[85, 123] Operation: 88+35=123 Exploring Operation: 88-35=53, Resulting Numbers: [85, 53] Generated Node #0,3,3: 67:[85, 53] Operation: 88-35=53 Exploring Operation: 85+35=120, Resulting Numbers: [88, 120] Generated Node #0,3,4: 67:[88, 120] Operation: 85+35=120 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 67:[85, 53], Operations: ['44-9=35', '88-35=53'] Exploring Operation: 85*53=4505, Resulting Numbers: [4505] 4505,67 unequal: No Solution Exploring Operation: 85-53=32, Resulting Numbers: [32] 32,67 unequal: No Solution Exploring Operation: 85+53=138, Resulting Numbers: [138] 138,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 67:[88, 50], Operations: ['44-9=35', '85-35=50'] Exploring Operation: 88*50=4400, Resulting Numbers: [4400] 4400,67 unequal: No Solution Exploring Operation: 88+50=138, Resulting Numbers: [138] 138,67 unequal: No Solution Exploring Operation: 88-50=38, Resulting Numbers: [38] 38,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 67:[85, 123], Operations: ['44-9=35', '88+35=123'] Exploring Operation: 85+123=208, Resulting Numbers: [208] 208,67 unequal: No Solution Exploring Operation: 123-85=38, Resulting Numbers: [38] 38,67 unequal: No Solution Exploring Operation: 85*123=10455, Resulting Numbers: [10455] 10455,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 67:[88, 120], Operations: ['44-9=35', '85+35=120'] Exploring Operation: 120-88=32, Resulting Numbers: [32] 32,67 unequal: No Solution Exploring Operation: 88*120=10560, Resulting Numbers: [10560] 10560,67 unequal: No Solution Exploring Operation: 88+120=208, Resulting Numbers: [208] 208,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 67:[35, 3], Operations: ['44-9=35', '88-85=3'] Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,67 unequal: No Solution Exploring Operation: 35*3=105, Resulting Numbers: [105] 105,67 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,67 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: 67:[76, 44], Operations: ['85-9=76', '88-44=44'] Exploring Operation: 76-44=32, Resulting Numbers: [32] 32,67 unequal: No Solution Exploring Operation: 76*44=3344, Resulting Numbers: [3344] 3344,67 unequal: No Solution Exploring Operation: 76+44=120, Resulting Numbers: [120] 120,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[88, 50], Operations: ['85+9=94', '94-44=50'] Exploring Operation: 88-50=38, Resulting Numbers: [38] 38,67 unequal: No Solution Exploring Operation: 88+50=138, Resulting Numbers: [138] 138,67 unequal: No Solution Exploring Operation: 88*50=4400, Resulting Numbers: [4400] 4400,67 unequal: No Solution Moving to Node #0,0,4 Current State: 67:[94, 44], Operations: ['85+9=94', '88-44=44'] Exploring Operation: 94-44=50, Resulting Numbers: [50] 50,67 unequal: No Solution Exploring Operation: 94*44=4136, Resulting Numbers: [4136] 4136,67 unequal: No Solution Exploring Operation: 94+44=138, Resulting Numbers: [138] 138,67 unequal: No Solution Moving to Node #0,1,4 Current State: 67:[88, 32], Operations: ['85-9=76', '76-44=32'] Exploring Operation: 88*32=2816, Resulting Numbers: [2816] 2816,67 unequal: No Solution Exploring Operation: 88+32=120, Resulting Numbers: [120] 120,67 unequal: No Solution Exploring Operation: 88-32=56, Resulting Numbers: [56] 56,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[76, 2], Operations: ['85-9=76', '88/44=2'] Exploring Operation: 76*2=152, Resulting Numbers: [152] 152,67 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,67 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,67 unequal: No Solution Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,67 unequal: No Solution Moving to Node #0,1,3 Current State: 67:[88, 120], Operations: ['85-9=76', '44+76=120'] Exploring Operation: 88+120=208, Resulting Numbers: [208] 208,67 unequal: No Solution Exploring Operation: 88*120=10560, Resulting Numbers: [10560] 10560,67 unequal: No Solution Exploring Operation: 120-88=32, Resulting Numbers: [32] 32,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[76, 132], Operations: ['85-9=76', '44+88=132'] Exploring Operation: 132-76=56, Resulting Numbers: [56] 56,67 unequal: No Solution Exploring Operation: 76+132=208, Resulting Numbers: [208] 208,67 unequal: No Solution Exploring Operation: 76*132=10032, Resulting Numbers: [10032] 10032,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[44, 6], Operations: ['85+9=94', '94-88=6'] Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,67 unequal: No Solution Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,67 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[94, 132], Operations: ['85+9=94', '44+88=132'] Exploring Operation: 94+132=226, Resulting Numbers: [226] 226,67 unequal: No Solution Exploring Operation: 94*132=12408, Resulting Numbers: [12408] 12408,67 unequal: No Solution Exploring Operation: 132-94=38, Resulting Numbers: [38] 38,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[94, 2], Operations: ['85+9=94', '88/44=2'] Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,67 unequal: No Solution Exploring Operation: 94+2=96, Resulting Numbers: [96] 96,67 unequal: No Solution Exploring Operation: 94*2=188, Resulting Numbers: [188] 188,67 unequal: No Solution Exploring Operation: 94-2=92, Resulting Numbers: [92] 92,67 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 31, 24, 27, 5 ]
25
[ "31-24=7", "27+5=32", "32-7=25" ]
Current State: 25:[31, 24, 27, 5], Operations: [] Exploring Operation: 31-24=7, Resulting Numbers: [27, 5, 7] Generated Node #2: [27, 5, 7] from Operation: 31-24=7 Current State: 25:[27, 5, 7], Operations: ['31-24=7'] Exploring Operation: 27+5=32, Resulting Numbers: [7, 32] Generated Node #3: [7, 32] from Operation: 27+5=32 Current State: 25:[7, 32], Operations: ['31-24=7', '27+5=32'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[31, 24, 27, 5], Operations: [] Exploring Operation: 31-27=4, Resulting Numbers: [24, 5, 4] Generated Node #0,0: 25:[24, 5, 4] Operation: 31-27=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[24, 5, 4], Operations: ['31-27=4'] Exploring Operation: 24/4=6, Resulting Numbers: [5, 6] Generated Node #0,0,0: 25:[5, 6] Operation: 24/4=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[5, 6], Operations: ['31-27=4', '24/4=6'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 30, 92, 98, 52 ]
15
[ "98-52=46", "30*46=1380", "1380/92=15" ]
Current State: 15:[30, 92, 98, 52], Operations: [] Exploring Operation: 98-52=46, Resulting Numbers: [30, 92, 46] Generated Node #2: [30, 92, 46] from Operation: 98-52=46 Current State: 15:[30, 92, 46], Operations: ['98-52=46'] Exploring Operation: 30*46=1380, Resulting Numbers: [92, 1380] Generated Node #3: [92, 1380] from Operation: 30*46=1380 Current State: 15:[92, 1380], Operations: ['98-52=46', '30*46=1380'] Exploring Operation: 1380/92=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[30, 92, 98, 52], Operations: [] Exploring Operation: 92-30=62, Resulting Numbers: [98, 52, 62] Generated Node #0,0: 15:[98, 52, 62] Operation: 92-30=62 Exploring Operation: 98-52=46, Resulting Numbers: [30, 92, 46] Generated Node #0,1: 15:[30, 92, 46] Operation: 98-52=46 Exploring Operation: 98-92=6, Resulting Numbers: [30, 52, 6] Generated Node #0,2: 15:[30, 52, 6] Operation: 98-92=6 Exploring Operation: 92-52=40, Resulting Numbers: [30, 98, 40] Generated Node #0,3: 15:[30, 98, 40] Operation: 92-52=40 Moving to Node #0,2 Current State: 15:[30, 52, 6], Operations: ['98-92=6'] Exploring Operation: 30/6=5, Resulting Numbers: [52, 5] Generated Node #0,2,0: 15:[52, 5] Operation: 30/6=5 Exploring Operation: 52-30=22, Resulting Numbers: [6, 22] Generated Node #0,2,1: 15:[6, 22] Operation: 52-30=22 Exploring Operation: 30-6=24, Resulting Numbers: [52, 24] Generated Node #0,2,2: 15:[52, 24] Operation: 30-6=24 Exploring Operation: 52-6=46, Resulting Numbers: [30, 46] Generated Node #0,2,3: 15:[30, 46] Operation: 52-6=46 Moving to Node #0,3 Current State: 15:[30, 98, 40], Operations: ['92-52=40'] Exploring Operation: 98-30=68, Resulting Numbers: [40, 68] Generated Node #0,3,0: 15:[40, 68] Operation: 98-30=68 Exploring Operation: 98-40=58, Resulting Numbers: [30, 58] Generated Node #0,3,1: 15:[30, 58] Operation: 98-40=58 Exploring Operation: 40-30=10, Resulting Numbers: [98, 10] Generated Node #0,3,2: 15:[98, 10] Operation: 40-30=10 Exploring Operation: 30+98=128, Resulting Numbers: [40, 128] Generated Node #0,3,3: 15:[40, 128] Operation: 30+98=128 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 15:[30, 58], Operations: ['92-52=40', '98-40=58'] Exploring Operation: 58-30=28, Resulting Numbers: [28] 28,15 unequal: No Solution Exploring Operation: 30+58=88, Resulting Numbers: [88] 88,15 unequal: No Solution Exploring Operation: 30*58=1740, Resulting Numbers: [1740] 1740,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 15:[40, 68], Operations: ['92-52=40', '98-30=68'] Exploring Operation: 40+68=108, Resulting Numbers: [108] 108,15 unequal: No Solution Exploring Operation: 40*68=2720, Resulting Numbers: [2720] 2720,15 unequal: No Solution Exploring Operation: 68-40=28, Resulting Numbers: [28] 28,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 15:[98, 10], Operations: ['92-52=40', '40-30=10'] Exploring Operation: 98-10=88, Resulting Numbers: [88] 88,15 unequal: No Solution Exploring Operation: 98*10=980, Resulting Numbers: [980] 980,15 unequal: No Solution Exploring Operation: 98+10=108, Resulting Numbers: [108] 108,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 15:[40, 128], Operations: ['92-52=40', '30+98=128'] Exploring Operation: 40*128=5120, Resulting Numbers: [5120] 5120,15 unequal: No Solution Exploring Operation: 128-40=88, Resulting Numbers: [88] 88,15 unequal: No Solution Exploring Operation: 40+128=168, Resulting Numbers: [168] 168,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 15:[30, 92, 46], Operations: ['98-52=46'] Exploring Operation: 92-46=46, Resulting Numbers: [30, 46] Generated Node #0,1,0: 15:[30, 46] Operation: 92-46=46 Exploring Operation: 92-30=62, Resulting Numbers: [46, 62] Generated Node #0,1,1: 15:[46, 62] Operation: 92-30=62 Exploring Operation: 46-30=16, Resulting Numbers: [92, 16] Generated Node #0,1,2: 15:[92, 16] Operation: 46-30=16 Exploring Operation: 92/46=2, Resulting Numbers: [30, 2] Generated Node #0,1,3: 15:[30, 2] Operation: 92/46=2 Moving to Node #0,0 Current State: 15:[98, 52, 62], Operations: ['92-30=62'] Exploring Operation: 98+52=150, Resulting Numbers: [62, 150] Generated Node #0,0,0: 15:[62, 150] Operation: 98+52=150 Exploring Operation: 62-52=10, Resulting Numbers: [98, 10] Generated Node #0,0,1: 15:[98, 10] Operation: 62-52=10 Exploring Operation: 98-52=46, Resulting Numbers: [62, 46] Generated Node #0,0,2: 15:[62, 46] Operation: 98-52=46 Exploring Operation: 98-62=36, Resulting Numbers: [52, 36] Generated Node #0,0,3: 15:[52, 36] Operation: 98-62=36 Moving to Node #0,2,1 Current State: 15:[6, 22], Operations: ['98-92=6', '52-30=22'] Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,15 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,15 unequal: No Solution Moving to Node #0,1,3 Current State: 15:[30, 2], Operations: ['98-52=46', '92/46=2'] Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,15 unequal: No Solution Exploring Operation: 30*2=60, Resulting Numbers: [60] 60,15 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,15 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[30, 92, 98, 52], Operations: [] Exploring Operation: 98-52=46, Resulting Numbers: [30, 92, 46] Generated Node #0,1: 15:[30, 92, 46] Operation: 98-52=46 Moving to Node #0,1 Current State: 15:[30, 92, 46], Operations: ['98-52=46'] Exploring Operation: 92/46=2, Resulting Numbers: [30, 2] Generated Node #0,1,3: 15:[30, 2] Operation: 92/46=2 Moving to Node #0,1,3 Current State: 15:[30, 2], Operations: ['98-52=46', '92/46=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
0.962674
hs_4
sum_heuristic
[ 5, 69, 78, 81 ]
61
[ "69-5=64", "81-78=3", "64-3=61" ]
Current State: 61:[5, 69, 78, 81], Operations: [] Exploring Operation: 69-5=64, Resulting Numbers: [78, 81, 64] Generated Node #2: [78, 81, 64] from Operation: 69-5=64 Current State: 61:[78, 81, 64], Operations: ['69-5=64'] Exploring Operation: 81-78=3, Resulting Numbers: [64, 3] Generated Node #3: [64, 3] from Operation: 81-78=3 Current State: 61:[64, 3], Operations: ['69-5=64', '81-78=3'] Exploring Operation: 64-3=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[5, 69, 78, 81], Operations: [] Exploring Operation: 69-5=64, Resulting Numbers: [78, 81, 64] Generated Node #0,0: 61:[78, 81, 64] Operation: 69-5=64 Moving to Node #0,0 Current State: 61:[78, 81, 64], Operations: ['69-5=64'] Exploring Operation: 81-78=3, Resulting Numbers: [64, 3] Generated Node #0,0,0: 61:[64, 3] Operation: 81-78=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[64, 3], Operations: ['69-5=64', '81-78=3'] Exploring Operation: 64-3=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[5, 69, 78, 81], Operations: [] Exploring Operation: 69-5=64, Resulting Numbers: [78, 81, 64] Generated Node #0,0: 61:[78, 81, 64] Operation: 69-5=64 Moving to Node #0,0 Current State: 61:[78, 81, 64], Operations: ['69-5=64'] Exploring Operation: 81-78=3, Resulting Numbers: [64, 3] Generated Node #0,0,0: 61:[64, 3] Operation: 81-78=3 Moving to Node #0,0,0 Current State: 61:[64, 3], Operations: ['69-5=64', '81-78=3'] Exploring Operation: 64-3=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 60, 80, 5, 5 ]
33
[ "60+80=140", "140/5=28", "5+28=33" ]
Current State: 33:[60, 80, 5, 5], Operations: [] Exploring Operation: 60+80=140, Resulting Numbers: [5, 5, 140] Generated Node #2: [5, 5, 140] from Operation: 60+80=140 Current State: 33:[5, 5, 140], Operations: ['60+80=140'] Exploring Operation: 140/5=28, Resulting Numbers: [28] 28,33 equal: Goal Reached Exploring Operation: 5+28=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[60, 80, 5, 5], Operations: [] Exploring Operation: 80-60=20, Resulting Numbers: [5, 5, 20] Generated Node #0,0: 33:[5, 5, 20] Operation: 80-60=20 Moving to Node #0,0 Current State: 33:[5, 5, 20], Operations: ['80-60=20'] Exploring Operation: 20/5=4, Resulting Numbers: [5, 4] Generated Node #0,0,0: 33:[5, 4] Operation: 20/5=4 Moving to Node #0,0,0 Current State: 33:[5, 4], Operations: ['80-60=20', '20/5=4'] Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,33 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 49, 25, 62, 49 ]
88
[ "49/49=1", "25+62=87", "1+87=88" ]
Current State: 88:[49, 25, 62, 49], Operations: [] Exploring Operation: 49/49=1, Resulting Numbers: [25, 62, 1] Generated Node #2: [25, 62, 1] from Operation: 49/49=1 Current State: 88:[25, 62, 1], Operations: ['49/49=1'] Exploring Operation: 25+62=87, Resulting Numbers: [1, 87] Generated Node #3: [1, 87] from Operation: 25+62=87 Current State: 88:[1, 87], Operations: ['49/49=1', '25+62=87'] Exploring Operation: 1+87=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[49, 25, 62, 49], Operations: [] Exploring Operation: 62-49=13, Resulting Numbers: [25, 49, 13] Generated Node #0,0: 88:[25, 49, 13] Operation: 62-49=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[25, 49, 13], Operations: ['62-49=13'] Exploring Operation: 49-25=24, Resulting Numbers: [13, 24] Generated Node #0,0,0: 88:[13, 24] Operation: 49-25=24 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[13, 24], Operations: ['62-49=13', '49-25=24'] Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 4, 95, 90, 18 ]
19
[ "95-4=91", "90-18=72", "91-72=19" ]
Current State: 19:[4, 95, 90, 18], Operations: [] Exploring Operation: 95-4=91, Resulting Numbers: [90, 18, 91] Generated Node #2: [90, 18, 91] from Operation: 95-4=91 Current State: 19:[90, 18, 91], Operations: ['95-4=91'] Exploring Operation: 90-18=72, Resulting Numbers: [91, 72] Generated Node #3: [91, 72] from Operation: 90-18=72 Current State: 19:[91, 72], Operations: ['95-4=91', '90-18=72'] Exploring Operation: 91-72=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[4, 95, 90, 18], Operations: [] Exploring Operation: 95-90=5, Resulting Numbers: [4, 18, 5] Generated Node #0,0: 19:[4, 18, 5] Operation: 95-90=5 Exploring Operation: 90/18=5, Resulting Numbers: [4, 95, 5] Generated Node #0,1: 19:[4, 95, 5] Operation: 90/18=5 Exploring Operation: 95-18=77, Resulting Numbers: [4, 90, 77] Generated Node #0,2: 19:[4, 90, 77] Operation: 95-18=77 Exploring Operation: 90-4=86, Resulting Numbers: [95, 18, 86] Generated Node #0,3: 19:[95, 18, 86] Operation: 90-4=86 Exploring Operation: 95-4=91, Resulting Numbers: [90, 18, 91] Generated Node #0,4: 19:[90, 18, 91] Operation: 95-4=91 Moving to Node #0,0 Current State: 19:[4, 18, 5], Operations: ['95-90=5'] Exploring Operation: 4+5=9, Resulting Numbers: [18, 9] Generated Node #0,0,0: 19:[18, 9] Operation: 4+5=9 Exploring Operation: 5-4=1, Resulting Numbers: [18, 1] Generated Node #0,0,1: 19:[18, 1] Operation: 5-4=1 Exploring Operation: 4+18=22, Resulting Numbers: [5, 22] Generated Node #0,0,2: 19:[5, 22] Operation: 4+18=22 Exploring Operation: 18-4=14, Resulting Numbers: [5, 14] Generated Node #0,0,3: 19:[5, 14] Operation: 18-4=14 Exploring Operation: 4*5=20, Resulting Numbers: [18, 20] Generated Node #0,0,4: 19:[18, 20] Operation: 4*5=20 Moving to Node #0,1 Current State: 19:[4, 95, 5], Operations: ['90/18=5'] Exploring Operation: 95-5=90, Resulting Numbers: [4, 90] Generated Node #0,1,0: 19:[4, 90] Operation: 95-5=90 Exploring Operation: 95/5=19, Resulting Numbers: [4, 19] Generated Node #0,1,1: 19:[4, 19] Operation: 95/5=19 Exploring Operation: 4*5=20, Resulting Numbers: [95, 20] Generated Node #0,1,2: 19:[95, 20] Operation: 4*5=20 Exploring Operation: 4+5=9, Resulting Numbers: [95, 9] Generated Node #0,1,3: 19:[95, 9] Operation: 4+5=9 Exploring Operation: 95-4=91, Resulting Numbers: [5, 91] Generated Node #0,1,4: 19:[5, 91] Operation: 95-4=91 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 19:[4, 19], Operations: ['90/18=5', '95/5=19'] Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,19 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,19 unequal: No Solution Exploring Operation: 4+19=23, Resulting Numbers: [23] 23,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 19:[95, 20], Operations: ['90/18=5', '4*5=20'] Exploring Operation: 95*20=1900, Resulting Numbers: [1900] 1900,19 unequal: No Solution Exploring Operation: 95-20=75, Resulting Numbers: [75] 75,19 unequal: No Solution Exploring Operation: 95+20=115, Resulting Numbers: [115] 115,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 19:[4, 90], Operations: ['90/18=5', '95-5=90'] Exploring Operation: 4*90=360, Resulting Numbers: [360] 360,19 unequal: No Solution Exploring Operation: 4+90=94, Resulting Numbers: [94] 94,19 unequal: No Solution Exploring Operation: 90-4=86, Resulting Numbers: [86] 86,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 19:[95, 9], Operations: ['90/18=5', '4+5=9'] Exploring Operation: 95*9=855, Resulting Numbers: [855] 855,19 unequal: No Solution Exploring Operation: 95-9=86, Resulting Numbers: [86] 86,19 unequal: No Solution Exploring Operation: 95+9=104, Resulting Numbers: [104] 104,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 19:[5, 91], Operations: ['90/18=5', '95-4=91'] Exploring Operation: 5+91=96, Resulting Numbers: [96] 96,19 unequal: No Solution Exploring Operation: 5*91=455, Resulting Numbers: [455] 455,19 unequal: No Solution Exploring Operation: 91-5=86, Resulting Numbers: [86] 86,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 19:[4, 90, 77], Operations: ['95-18=77'] Exploring Operation: 4+90=94, Resulting Numbers: [77, 94] Generated Node #0,2,0: 19:[77, 94] Operation: 4+90=94 Exploring Operation: 90-77=13, Resulting Numbers: [4, 13] Generated Node #0,2,1: 19:[4, 13] Operation: 90-77=13 Exploring Operation: 90-4=86, Resulting Numbers: [77, 86] Generated Node #0,2,2: 19:[77, 86] Operation: 90-4=86 Exploring Operation: 4+77=81, Resulting Numbers: [90, 81] Generated Node #0,2,3: 19:[90, 81] Operation: 4+77=81 Exploring Operation: 77-4=73, Resulting Numbers: [90, 73] Generated Node #0,2,4: 19:[90, 73] Operation: 77-4=73 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 19:[4, 13], Operations: ['95-18=77', '90-77=13'] Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,19 unequal: No Solution Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,19 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 19:[77, 86], Operations: ['95-18=77', '90-4=86'] Exploring Operation: 86-77=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 77*86=6622, Resulting Numbers: [6622] 6622,19 unequal: No Solution Exploring Operation: 77+86=163, Resulting Numbers: [163] 163,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 19:[90, 73], Operations: ['95-18=77', '77-4=73'] Exploring Operation: 90-73=17, Resulting Numbers: [17] 17,19 unequal: No Solution Exploring Operation: 90*73=6570, Resulting Numbers: [6570] 6570,19 unequal: No Solution Exploring Operation: 90+73=163, Resulting Numbers: [163] 163,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 19:[77, 94], Operations: ['95-18=77', '4+90=94'] Exploring Operation: 77+94=171, Resulting Numbers: [171] 171,19 unequal: No Solution Exploring Operation: 77*94=7238, Resulting Numbers: [7238] 7238,19 unequal: No Solution Exploring Operation: 94-77=17, Resulting Numbers: [17] 17,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 19:[90, 81], Operations: ['95-18=77', '4+77=81'] Exploring Operation: 90*81=7290, Resulting Numbers: [7290] 7290,19 unequal: No Solution Exploring Operation: 90+81=171, Resulting Numbers: [171] 171,19 unequal: No Solution Exploring Operation: 90-81=9, Resulting Numbers: [9] 9,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 19:[95, 18, 86], Operations: ['90-4=86'] Exploring Operation: 18+86=104, Resulting Numbers: [95, 104] Generated Node #0,3,0: 19:[95, 104] Operation: 18+86=104 Exploring Operation: 95+18=113, Resulting Numbers: [86, 113] Generated Node #0,3,1: 19:[86, 113] Operation: 95+18=113 Exploring Operation: 95-18=77, Resulting Numbers: [86, 77] Generated Node #0,3,2: 19:[86, 77] Operation: 95-18=77 Exploring Operation: 95-86=9, Resulting Numbers: [18, 9] Generated Node #0,3,3: 19:[18, 9] Operation: 95-86=9 Exploring Operation: 86-18=68, Resulting Numbers: [95, 68] Generated Node #0,3,4: 19:[95, 68] Operation: 86-18=68 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 19:[18, 9], Operations: ['90-4=86', '95-86=9'] Exploring Operation: 18*9=162, Resulting Numbers: [162] 162,19 unequal: No Solution Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 19:[86, 77], Operations: ['90-4=86', '95-18=77'] Exploring Operation: 86*77=6622, Resulting Numbers: [6622] 6622,19 unequal: No Solution Exploring Operation: 86-77=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 86+77=163, Resulting Numbers: [163] 163,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 19:[95, 68], Operations: ['90-4=86', '86-18=68'] Exploring Operation: 95-68=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 95+68=163, Resulting Numbers: [163] 163,19 unequal: No Solution Exploring Operation: 95*68=6460, Resulting Numbers: [6460] 6460,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 19:[95, 104], Operations: ['90-4=86', '18+86=104'] Exploring Operation: 95*104=9880, Resulting Numbers: [9880] 9880,19 unequal: No Solution Exploring Operation: 104-95=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 95+104=199, Resulting Numbers: [199] 199,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 19:[86, 113], Operations: ['90-4=86', '95+18=113'] Exploring Operation: 86*113=9718, Resulting Numbers: [9718] 9718,19 unequal: No Solution Exploring Operation: 86+113=199, Resulting Numbers: [199] 199,19 unequal: No Solution Exploring Operation: 113-86=27, Resulting Numbers: [27] 27,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 19:[90, 18, 91], Operations: ['95-4=91'] Exploring Operation: 91-90=1, Resulting Numbers: [18, 1] Generated Node #0,4,0: 19:[18, 1] Operation: 91-90=1 Exploring Operation: 90-18=72, Resulting Numbers: [91, 72] Generated Node #0,4,1: 19:[91, 72] Operation: 90-18=72 Exploring Operation: 90/18=5, Resulting Numbers: [91, 5] Generated Node #0,4,2: 19:[91, 5] Operation: 90/18=5 Exploring Operation: 90+18=108, Resulting Numbers: [91, 108] Generated Node #0,4,3: 19:[91, 108] Operation: 90+18=108 Exploring Operation: 91-18=73, Resulting Numbers: [90, 73] Generated Node #0,4,4: 19:[90, 73] Operation: 91-18=73 Moving to Node #0,0,4 Current State: 19:[18, 20], Operations: ['95-90=5', '4*5=20'] Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,19 unequal: No Solution Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 18*20=360, Resulting Numbers: [360] 360,19 unequal: No Solution Moving to Node #0,0,0 Current State: 19:[18, 9], Operations: ['95-90=5', '4+5=9'] Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 18*9=162, Resulting Numbers: [162] 162,19 unequal: No Solution Moving to Node #0,0,2 Current State: 19:[5, 22], Operations: ['95-90=5', '4+18=22'] Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,19 unequal: No Solution Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 5*22=110, Resulting Numbers: [110] 110,19 unequal: No Solution Moving to Node #0,4,0 Current State: 19:[18, 1], Operations: ['95-4=91', '91-90=1'] Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,19 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,19 unequal: No Solution Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,19 unequal: No Solution Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[4, 95, 90, 18], Operations: [] Exploring Operation: 95-4=91, Resulting Numbers: [90, 18, 91] Generated Node #0,4: 19:[90, 18, 91] Operation: 95-4=91 Moving to Node #0,4 Current State: 19:[90, 18, 91], Operations: ['95-4=91'] Exploring Operation: 91-90=1, Resulting Numbers: [18, 1] Generated Node #0,4,0: 19:[18, 1] Operation: 91-90=1 Moving to Node #0,4,0 Current State: 19:[18, 1], Operations: ['95-4=91', '91-90=1'] Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
0.918403
hs_5
sum_heuristic
[ 79, 67, 2, 21 ]
38
[ "79-21=58", "58/2=29", "67-29=38" ]
Current State: 38:[79, 67, 2, 21], Operations: [] Exploring Operation: 79-21=58, Resulting Numbers: [67, 2, 58] Generated Node #2: [67, 2, 58] from Operation: 79-21=58 Current State: 38:[67, 2, 58], Operations: ['79-21=58'] Exploring Operation: 58/2=29, Resulting Numbers: [67, 29] Generated Node #3: [67, 29] from Operation: 58/2=29 Current State: 38:[67, 29], Operations: ['79-21=58', '58/2=29'] Exploring Operation: 67-29=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[79, 67, 2, 21], Operations: [] Exploring Operation: 79-67=12, Resulting Numbers: [2, 21, 12] Generated Node #0,0: 38:[2, 21, 12] Operation: 79-67=12 Exploring Operation: 79-21=58, Resulting Numbers: [67, 2, 58] Generated Node #0,1: 38:[67, 2, 58] Operation: 79-21=58 Moving to Node #0,0 Current State: 38:[2, 21, 12], Operations: ['79-67=12'] Exploring Operation: 12/2=6, Resulting Numbers: [21, 6] Generated Node #0,0,0: 38:[21, 6] Operation: 12/2=6 Exploring Operation: 21+12=33, Resulting Numbers: [2, 33] Generated Node #0,0,1: 38:[2, 33] Operation: 21+12=33 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 38:[2, 33], Operations: ['79-67=12', '21+12=33'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,38 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,38 unequal: No Solution No 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: 38:[21, 6], Operations: ['79-67=12', '12/2=6'] Exploring Operation: 21+6=27, Resulting Numbers: [27] 27,38 unequal: No Solution Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,38 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: 38:[67, 2, 58], Operations: ['79-21=58'] Exploring Operation: 58/2=29, Resulting Numbers: [67, 29] Generated Node #0,1,0: 38:[67, 29] Operation: 58/2=29 Exploring Operation: 67-58=9, Resulting Numbers: [2, 9] Generated Node #0,1,1: 38:[2, 9] Operation: 67-58=9 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 38:[2, 9], Operations: ['79-21=58', '67-58=9'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,38 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,38 unequal: No Solution No 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: 38:[67, 29], Operations: ['79-21=58', '58/2=29'] Exploring Operation: 67-29=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[79, 67, 2, 21], Operations: [] Exploring Operation: 79-21=58, Resulting Numbers: [67, 2, 58] Generated Node #0,1: 38:[67, 2, 58] Operation: 79-21=58 Moving to Node #0,1 Current State: 38:[67, 2, 58], Operations: ['79-21=58'] Exploring Operation: 58/2=29, Resulting Numbers: [67, 29] Generated Node #0,1,0: 38:[67, 29] Operation: 58/2=29 Moving to Node #0,1,0 Current State: 38:[67, 29], Operations: ['79-21=58', '58/2=29'] Exploring Operation: 67-29=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_2
mult_heuristic
[ 70, 25, 51, 66 ]
60
[ "70-25=45", "66-51=15", "45+15=60" ]
Current State: 60:[70, 25, 51, 66], Operations: [] Exploring Operation: 70-25=45, Resulting Numbers: [51, 66, 45] Generated Node #2: [51, 66, 45] from Operation: 70-25=45 Current State: 60:[51, 66, 45], Operations: ['70-25=45'] Exploring Operation: 66-51=15, Resulting Numbers: [45, 15] Generated Node #3: [45, 15] from Operation: 66-51=15 Current State: 60:[45, 15], Operations: ['70-25=45', '66-51=15'] Exploring Operation: 45+15=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[70, 25, 51, 66], Operations: [] Exploring Operation: 70-66=4, Resulting Numbers: [25, 51, 4] Generated Node #0,0: 60:[25, 51, 4] Operation: 70-66=4 Exploring Operation: 70-51=19, Resulting Numbers: [25, 66, 19] Generated Node #0,1: 60:[25, 66, 19] Operation: 70-51=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[25, 66, 19], Operations: ['70-51=19'] Exploring Operation: 66-25=41, Resulting Numbers: [19, 41] Generated Node #0,1,0: 60:[19, 41] Operation: 66-25=41 Exploring Operation: 25-19=6, Resulting Numbers: [66, 6] Generated Node #0,1,1: 60:[66, 6] Operation: 25-19=6 Moving to Node #0,1,1 Current State: 60:[66, 6], Operations: ['70-51=19', '25-19=6'] Exploring Operation: 66/6=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 66-6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[70, 25, 51, 66], Operations: [] Exploring Operation: 70-51=19, Resulting Numbers: [25, 66, 19] Generated Node #0,1: 60:[25, 66, 19] Operation: 70-51=19 Moving to Node #0,1 Current State: 60:[25, 66, 19], Operations: ['70-51=19'] Exploring Operation: 25-19=6, Resulting Numbers: [66, 6] Generated Node #0,1,1: 60:[66, 6] Operation: 25-19=6 Moving to Node #0,1,1 Current State: 60:[66, 6], Operations: ['70-51=19', '25-19=6'] Exploring Operation: 66-6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 57, 24, 90, 73 ]
71
[ "24+90=114", "114/57=2", "73-2=71" ]
Current State: 71:[57, 24, 90, 73], Operations: [] Exploring Operation: 24+90=114, Resulting Numbers: [57, 73, 114] Generated Node #2: [57, 73, 114] from Operation: 24+90=114 Current State: 71:[57, 73, 114], Operations: ['24+90=114'] Exploring Operation: 114/57=2, Resulting Numbers: [73, 2] Generated Node #3: [73, 2] from Operation: 114/57=2 Current State: 71:[73, 2], Operations: ['24+90=114', '114/57=2'] Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[57, 24, 90, 73], Operations: [] Exploring Operation: 73-24=49, Resulting Numbers: [57, 90, 49] Generated Node #0,0: 71:[57, 90, 49] Operation: 73-24=49 Exploring Operation: 90-24=66, Resulting Numbers: [57, 73, 66] Generated Node #0,1: 71:[57, 73, 66] Operation: 90-24=66 Exploring Operation: 57-24=33, Resulting Numbers: [90, 73, 33] Generated Node #0,2: 71:[90, 73, 33] Operation: 57-24=33 Exploring Operation: 57+24=81, Resulting Numbers: [90, 73, 81] Generated Node #0,3: 71:[90, 73, 81] Operation: 57+24=81 Exploring Operation: 24+90=114, Resulting Numbers: [57, 73, 114] Generated Node #0,4: 71:[57, 73, 114] Operation: 24+90=114 Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[57, 73, 66], Operations: ['90-24=66'] Exploring Operation: 57+73=130, Resulting Numbers: [66, 130] Generated Node #0,1,0: 71:[66, 130] Operation: 57+73=130 Exploring Operation: 73-66=7, Resulting Numbers: [57, 7] Generated Node #0,1,1: 71:[57, 7] Operation: 73-66=7 Exploring Operation: 57+66=123, Resulting Numbers: [73, 123] Generated Node #0,1,2: 71:[73, 123] Operation: 57+66=123 Exploring Operation: 73-57=16, Resulting Numbers: [66, 16] Generated Node #0,1,3: 71:[66, 16] Operation: 73-57=16 Exploring Operation: 66-57=9, Resulting Numbers: [73, 9] Generated Node #0,1,4: 71:[73, 9] Operation: 66-57=9 Moving to Node #0,1,2 Current State: 71:[73, 123], Operations: ['90-24=66', '57+66=123'] Exploring Operation: 73+123=196, Resulting Numbers: [196] 196,71 unequal: No Solution Exploring Operation: 73*123=8979, Resulting Numbers: [8979] 8979,71 unequal: No Solution Exploring Operation: 123-73=50, Resulting Numbers: [50] 50,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[66, 16], Operations: ['90-24=66', '73-57=16'] Exploring Operation: 66-16=50, Resulting Numbers: [50] 50,71 unequal: No Solution Exploring Operation: 66*16=1056, Resulting Numbers: [1056] 1056,71 unequal: No Solution Exploring Operation: 66+16=82, Resulting Numbers: [82] 82,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[66, 130], Operations: ['90-24=66', '57+73=130'] Exploring Operation: 66*130=8580, Resulting Numbers: [8580] 8580,71 unequal: No Solution Exploring Operation: 66+130=196, Resulting Numbers: [196] 196,71 unequal: No Solution Exploring Operation: 130-66=64, Resulting Numbers: [64] 64,71 unequal: No Solution Moving to Node #0,1,4 Current State: 71:[73, 9], Operations: ['90-24=66', '66-57=9'] Exploring Operation: 73+9=82, Resulting Numbers: [82] 82,71 unequal: No Solution Exploring Operation: 73-9=64, Resulting Numbers: [64] 64,71 unequal: No Solution Exploring Operation: 73*9=657, Resulting Numbers: [657] 657,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[57, 7], Operations: ['90-24=66', '73-66=7'] Exploring Operation: 57-7=50, Resulting Numbers: [50] 50,71 unequal: No Solution Exploring Operation: 57+7=64, Resulting Numbers: [64] 64,71 unequal: No Solution Exploring Operation: 57*7=399, Resulting Numbers: [399] 399,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 71:[90, 73, 81], Operations: ['57+24=81'] Exploring Operation: 90-81=9, Resulting Numbers: [73, 9] Generated Node #0,3,0: 71:[73, 9] Operation: 90-81=9 Exploring Operation: 81-73=8, Resulting Numbers: [90, 8] Generated Node #0,3,1: 71:[90, 8] Operation: 81-73=8 Exploring Operation: 90+73=163, Resulting Numbers: [81, 163] Generated Node #0,3,2: 71:[81, 163] Operation: 90+73=163 Exploring Operation: 90-73=17, Resulting Numbers: [81, 17] Generated Node #0,3,3: 71:[81, 17] Operation: 90-73=17 Exploring Operation: 90+81=171, Resulting Numbers: [73, 171] Generated Node #0,3,4: 71:[73, 171] Operation: 90+81=171 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 71:[73, 9], Operations: ['57+24=81', '90-81=9'] Exploring Operation: 73+9=82, Resulting Numbers: [82] 82,71 unequal: No Solution Exploring Operation: 73-9=64, Resulting Numbers: [64] 64,71 unequal: No Solution Exploring Operation: 73*9=657, Resulting Numbers: [657] 657,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 71:[81, 17], Operations: ['57+24=81', '90-73=17'] Exploring Operation: 81*17=1377, Resulting Numbers: [1377] 1377,71 unequal: No Solution Exploring Operation: 81-17=64, Resulting Numbers: [64] 64,71 unequal: No Solution Exploring Operation: 81+17=98, Resulting Numbers: [98] 98,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 71:[90, 8], Operations: ['57+24=81', '81-73=8'] Exploring Operation: 90+8=98, Resulting Numbers: [98] 98,71 unequal: No Solution Exploring Operation: 90*8=720, Resulting Numbers: [720] 720,71 unequal: No Solution Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 71:[81, 163], Operations: ['57+24=81', '90+73=163'] Exploring Operation: 81+163=244, Resulting Numbers: [244] 244,71 unequal: No Solution Exploring Operation: 163-81=82, Resulting Numbers: [82] 82,71 unequal: No Solution Exploring Operation: 81*163=13203, Resulting Numbers: [13203] 13203,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 71:[73, 171], Operations: ['57+24=81', '90+81=171'] Exploring Operation: 171-73=98, Resulting Numbers: [98] 98,71 unequal: No Solution Exploring Operation: 73+171=244, Resulting Numbers: [244] 244,71 unequal: No Solution Exploring Operation: 73*171=12483, Resulting Numbers: [12483] 12483,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[57, 90, 49], Operations: ['73-24=49'] Exploring Operation: 90-49=41, Resulting Numbers: [57, 41] Generated Node #0,0,0: 71:[57, 41] Operation: 90-49=41 Exploring Operation: 57-49=8, Resulting Numbers: [90, 8] Generated Node #0,0,1: 71:[90, 8] Operation: 57-49=8 Exploring Operation: 90+49=139, Resulting Numbers: [57, 139] Generated Node #0,0,2: 71:[57, 139] Operation: 90+49=139 Exploring Operation: 90-57=33, Resulting Numbers: [49, 33] Generated Node #0,0,3: 71:[49, 33] Operation: 90-57=33 Exploring Operation: 57+49=106, Resulting Numbers: [90, 106] Generated Node #0,0,4: 71:[90, 106] Operation: 57+49=106 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[57, 41], Operations: ['73-24=49', '90-49=41'] Exploring Operation: 57*41=2337, Resulting Numbers: [2337] 2337,71 unequal: No Solution Exploring Operation: 57+41=98, Resulting Numbers: [98] 98,71 unequal: No Solution Exploring Operation: 57-41=16, Resulting Numbers: [16] 16,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 71:[90, 106], Operations: ['73-24=49', '57+49=106'] Exploring Operation: 106-90=16, Resulting Numbers: [16] 16,71 unequal: No Solution Exploring Operation: 90*106=9540, Resulting Numbers: [9540] 9540,71 unequal: No Solution Exploring Operation: 90+106=196, Resulting Numbers: [196] 196,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 71:[49, 33], Operations: ['73-24=49', '90-57=33'] Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,71 unequal: No Solution Exploring Operation: 49*33=1617, Resulting Numbers: [1617] 1617,71 unequal: No Solution Exploring Operation: 49+33=82, Resulting Numbers: [82] 82,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 71:[90, 8], Operations: ['73-24=49', '57-49=8'] Exploring Operation: 90+8=98, Resulting Numbers: [98] 98,71 unequal: No Solution Exploring Operation: 90*8=720, Resulting Numbers: [720] 720,71 unequal: No Solution Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 71:[57, 139], Operations: ['73-24=49', '90+49=139'] Exploring Operation: 57+139=196, Resulting Numbers: [196] 196,71 unequal: No Solution Exploring Operation: 57*139=7923, Resulting Numbers: [7923] 7923,71 unequal: No Solution Exploring Operation: 139-57=82, Resulting Numbers: [82] 82,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[90, 73, 33], Operations: ['57-24=33'] Exploring Operation: 90-33=57, Resulting Numbers: [73, 57] Generated Node #0,2,0: 71:[73, 57] Operation: 90-33=57 Exploring Operation: 90-73=17, Resulting Numbers: [33, 17] Generated Node #0,2,1: 71:[33, 17] Operation: 90-73=17 Exploring Operation: 73+33=106, Resulting Numbers: [90, 106] Generated Node #0,2,2: 71:[90, 106] Operation: 73+33=106 Exploring Operation: 90+33=123, Resulting Numbers: [73, 123] Generated Node #0,2,3: 71:[73, 123] Operation: 90+33=123 Exploring Operation: 73-33=40, Resulting Numbers: [90, 40] Generated Node #0,2,4: 71:[90, 40] Operation: 73-33=40 Moving to Node #0,2,0 Current State: 71:[73, 57], Operations: ['57-24=33', '90-33=57'] Exploring Operation: 73-57=16, Resulting Numbers: [16] 16,71 unequal: No Solution Exploring Operation: 73*57=4161, Resulting Numbers: [4161] 4161,71 unequal: No Solution Exploring Operation: 73+57=130, Resulting Numbers: [130] 130,71 unequal: No Solution Moving to Node #0,2,4 Current State: 71:[90, 40], Operations: ['57-24=33', '73-33=40'] Exploring Operation: 90-40=50, Resulting Numbers: [50] 50,71 unequal: No Solution Exploring Operation: 90+40=130, Resulting Numbers: [130] 130,71 unequal: No Solution Exploring Operation: 90*40=3600, Resulting Numbers: [3600] 3600,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[90, 106], Operations: ['57-24=33', '73+33=106'] Exploring Operation: 90+106=196, Resulting Numbers: [196] 196,71 unequal: No Solution Exploring Operation: 106-90=16, Resulting Numbers: [16] 16,71 unequal: No Solution Exploring Operation: 90*106=9540, Resulting Numbers: [9540] 9540,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[73, 123], Operations: ['57-24=33', '90+33=123'] Exploring Operation: 73+123=196, Resulting Numbers: [196] 196,71 unequal: No Solution Exploring Operation: 73*123=8979, Resulting Numbers: [8979] 8979,71 unequal: No Solution Exploring Operation: 123-73=50, Resulting Numbers: [50] 50,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[33, 17], Operations: ['57-24=33', '90-73=17'] Exploring Operation: 33*17=561, Resulting Numbers: [561] 561,71 unequal: No Solution Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,71 unequal: No Solution Exploring Operation: 33+17=50, Resulting Numbers: [50] 50,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 71:[57, 73, 114], Operations: ['24+90=114'] Exploring Operation: 114/57=2, Resulting Numbers: [73, 2] Generated Node #0,4,0: 71:[73, 2] Operation: 114/57=2 Exploring Operation: 57+73=130, Resulting Numbers: [114, 130] Generated Node #0,4,1: 71:[114, 130] Operation: 57+73=130 Exploring Operation: 114-73=41, Resulting Numbers: [57, 41] Generated Node #0,4,2: 71:[57, 41] Operation: 114-73=41 Exploring Operation: 114-57=57, Resulting Numbers: [73, 57] Generated Node #0,4,3: 71:[73, 57] Operation: 114-57=57 Exploring Operation: 73-57=16, Resulting Numbers: [114, 16] Generated Node #0,4,4: 71:[114, 16] Operation: 73-57=16 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 71:[73, 57], Operations: ['24+90=114', '114-57=57'] Exploring Operation: 73-57=16, Resulting Numbers: [16] 16,71 unequal: No Solution Exploring Operation: 73*57=4161, Resulting Numbers: [4161] 4161,71 unequal: No Solution Exploring Operation: 73+57=130, Resulting Numbers: [130] 130,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 71:[57, 41], Operations: ['24+90=114', '114-73=41'] Exploring Operation: 57-41=16, Resulting Numbers: [16] 16,71 unequal: No Solution Exploring Operation: 57+41=98, Resulting Numbers: [98] 98,71 unequal: No Solution Exploring Operation: 57*41=2337, Resulting Numbers: [2337] 2337,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 71:[73, 2], Operations: ['24+90=114', '114/57=2'] Exploring Operation: 73+2=75, Resulting Numbers: [75] 75,71 unequal: No Solution Exploring Operation: 73*2=146, Resulting Numbers: [146] 146,71 unequal: No Solution Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[57, 24, 90, 73], Operations: [] Exploring Operation: 24+90=114, Resulting Numbers: [57, 73, 114] Generated Node #0,4: 71:[57, 73, 114] Operation: 24+90=114 Moving to Node #0,4 Current State: 71:[57, 73, 114], Operations: ['24+90=114'] Exploring Operation: 114/57=2, Resulting Numbers: [73, 2] Generated Node #0,4,0: 71:[73, 2] Operation: 114/57=2 Moving to Node #0,4,0 Current State: 71:[73, 2], Operations: ['24+90=114', '114/57=2'] Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.91059
hs_5
mult_heuristic
[ 91, 20, 40, 52 ]
65
[ "40/20=2", "52/2=26", "91-26=65" ]
Current State: 65:[91, 20, 40, 52], Operations: [] Exploring Operation: 40/20=2, Resulting Numbers: [91, 52, 2] Generated Node #2: [91, 52, 2] from Operation: 40/20=2 Current State: 65:[91, 52, 2], Operations: ['40/20=2'] Exploring Operation: 52/2=26, Resulting Numbers: [91, 26] Generated Node #3: [91, 26] from Operation: 52/2=26 Current State: 65:[91, 26], Operations: ['40/20=2', '52/2=26'] Exploring Operation: 91-26=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[91, 20, 40, 52], Operations: [] Exploring Operation: 52-40=12, Resulting Numbers: [91, 20, 12] Generated Node #0,0: 65:[91, 20, 12] Operation: 52-40=12 Exploring Operation: 40/20=2, Resulting Numbers: [91, 52, 2] Generated Node #0,1: 65:[91, 52, 2] Operation: 40/20=2 Exploring Operation: 91-40=51, Resulting Numbers: [20, 52, 51] Generated Node #0,2: 65:[20, 52, 51] Operation: 91-40=51 Moving to Node #0,0 Current State: 65:[91, 20, 12], Operations: ['52-40=12'] Exploring Operation: 91-12=79, Resulting Numbers: [20, 79] Generated Node #0,0,0: 65:[20, 79] Operation: 91-12=79 Exploring Operation: 20-12=8, Resulting Numbers: [91, 8] Generated Node #0,0,1: 65:[91, 8] Operation: 20-12=8 Exploring Operation: 91-20=71, Resulting Numbers: [12, 71] Generated Node #0,0,2: 65:[12, 71] Operation: 91-20=71 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 65:[12, 71], Operations: ['52-40=12', '91-20=71'] Exploring Operation: 12*71=852, Resulting Numbers: [852] 852,65 unequal: No Solution Exploring Operation: 71-12=59, Resulting Numbers: [59] 59,65 unequal: No Solution Exploring Operation: 12+71=83, Resulting Numbers: [83] 83,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[20, 79], Operations: ['52-40=12', '91-12=79'] Exploring Operation: 20+79=99, Resulting Numbers: [99] 99,65 unequal: No Solution Exploring Operation: 20*79=1580, Resulting Numbers: [1580] 1580,65 unequal: No Solution Exploring Operation: 79-20=59, Resulting Numbers: [59] 59,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[91, 8], Operations: ['52-40=12', '20-12=8'] Exploring Operation: 91*8=728, Resulting Numbers: [728] 728,65 unequal: No Solution Exploring Operation: 91+8=99, Resulting Numbers: [99] 99,65 unequal: No Solution Exploring Operation: 91-8=83, Resulting Numbers: [83] 83,65 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: 65:[20, 52, 51], Operations: ['91-40=51'] Exploring Operation: 52-51=1, Resulting Numbers: [20, 1] Generated Node #0,2,0: 65:[20, 1] Operation: 52-51=1 Exploring Operation: 20+51=71, Resulting Numbers: [52, 71] Generated Node #0,2,1: 65:[52, 71] Operation: 20+51=71 Exploring Operation: 20+52=72, Resulting Numbers: [51, 72] Generated Node #0,2,2: 65:[51, 72] Operation: 20+52=72 Moving to Node #0,1 Current State: 65:[91, 52, 2], Operations: ['40/20=2'] Exploring Operation: 52+2=54, Resulting Numbers: [91, 54] Generated Node #0,1,0: 65:[91, 54] Operation: 52+2=54 Exploring Operation: 91-2=89, Resulting Numbers: [52, 89] Generated Node #0,1,1: 65:[52, 89] Operation: 91-2=89 Exploring Operation: 91-52=39, Resulting Numbers: [2, 39] Generated Node #0,1,2: 65:[2, 39] Operation: 91-52=39 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 65:[2, 39], Operations: ['40/20=2', '91-52=39'] Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,65 unequal: No Solution Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,65 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 #0,1,0 Current State: 65:[91, 54], Operations: ['40/20=2', '52+2=54'] Exploring Operation: 91+54=145, Resulting Numbers: [145] 145,65 unequal: No Solution Exploring Operation: 91-54=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 91*54=4914, Resulting Numbers: [4914] 4914,65 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 #0,1,1 Current State: 65:[52, 89], Operations: ['40/20=2', '91-2=89'] Exploring Operation: 89-52=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 52*89=4628, Resulting Numbers: [4628] 4628,65 unequal: No Solution Exploring Operation: 52+89=141, Resulting Numbers: [141] 141,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 65:[20, 1], Operations: ['91-40=51', '52-51=1'] Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,65 unequal: No Solution Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[52, 71], Operations: ['91-40=51', '20+51=71'] Exploring Operation: 71-52=19, Resulting Numbers: [19] 19,65 unequal: No Solution Exploring Operation: 52*71=3692, Resulting Numbers: [3692] 3692,65 unequal: No Solution Exploring Operation: 52+71=123, Resulting Numbers: [123] 123,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[51, 72], Operations: ['91-40=51', '20+52=72'] Exploring Operation: 51+72=123, Resulting Numbers: [123] 123,65 unequal: No Solution Exploring Operation: 72-51=21, Resulting Numbers: [21] 21,65 unequal: No Solution Exploring Operation: 51*72=3672, Resulting Numbers: [3672] 3672,65 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 95, 65, 63, 40 ]
67
[ "95+65=160", "160/40=4", "63+4=67" ]
Current State: 67:[95, 65, 63, 40], Operations: [] Exploring Operation: 95+65=160, Resulting Numbers: [63, 40, 160] Generated Node #2: [63, 40, 160] from Operation: 95+65=160 Current State: 67:[63, 40, 160], Operations: ['95+65=160'] Exploring Operation: 160/40=4, Resulting Numbers: [63, 4] Generated Node #3: [63, 4] from Operation: 160/40=4 Current State: 67:[63, 4], Operations: ['95+65=160', '160/40=4'] Exploring Operation: 63+4=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[95, 65, 63, 40], Operations: [] Exploring Operation: 95-40=55, Resulting Numbers: [65, 63, 55] Generated Node #0,0: 67:[65, 63, 55] Operation: 95-40=55 Exploring Operation: 63+40=103, Resulting Numbers: [95, 65, 103] Generated Node #0,1: 67:[95, 65, 103] Operation: 63+40=103 Exploring Operation: 95-63=32, Resulting Numbers: [65, 40, 32] Generated Node #0,2: 67:[65, 40, 32] Operation: 95-63=32 Moving to Node #0,0 Current State: 67:[65, 63, 55], Operations: ['95-40=55'] Exploring Operation: 65+55=120, Resulting Numbers: [63, 120] Generated Node #0,0,0: 67:[63, 120] Operation: 65+55=120 Exploring Operation: 63+55=118, Resulting Numbers: [65, 118] Generated Node #0,0,1: 67:[65, 118] Operation: 63+55=118 Exploring Operation: 65-55=10, Resulting Numbers: [63, 10] Generated Node #0,0,2: 67:[63, 10] Operation: 65-55=10 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 67:[65, 118], Operations: ['95-40=55', '63+55=118'] Exploring Operation: 118-65=53, Resulting Numbers: [53] 53,67 unequal: No Solution Exploring Operation: 65+118=183, Resulting Numbers: [183] 183,67 unequal: No Solution Exploring Operation: 65*118=7670, Resulting Numbers: [7670] 7670,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[63, 120], Operations: ['95-40=55', '65+55=120'] Exploring Operation: 63*120=7560, Resulting Numbers: [7560] 7560,67 unequal: No Solution Exploring Operation: 120-63=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 63+120=183, Resulting Numbers: [183] 183,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 67:[63, 10], Operations: ['95-40=55', '65-55=10'] Exploring Operation: 63+10=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 63-10=53, Resulting Numbers: [53] 53,67 unequal: No Solution Exploring Operation: 63*10=630, Resulting Numbers: [630] 630,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 67:[65, 40, 32], Operations: ['95-63=32'] Exploring Operation: 65-32=33, Resulting Numbers: [40, 33] Generated Node #0,2,0: 67:[40, 33] Operation: 65-32=33 Exploring Operation: 40+32=72, Resulting Numbers: [65, 72] Generated Node #0,2,1: 67:[65, 72] Operation: 40+32=72 Exploring Operation: 65+32=97, Resulting Numbers: [40, 97] Generated Node #0,2,2: 67:[40, 97] Operation: 65+32=97 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 67:[65, 72], Operations: ['95-63=32', '40+32=72'] Exploring Operation: 72-65=7, Resulting Numbers: [7] 7,67 unequal: No Solution Exploring Operation: 65+72=137, Resulting Numbers: [137] 137,67 unequal: No Solution Exploring Operation: 65*72=4680, Resulting Numbers: [4680] 4680,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 67:[40, 97], Operations: ['95-63=32', '65+32=97'] Exploring Operation: 97-40=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 40*97=3880, Resulting Numbers: [3880] 3880,67 unequal: No Solution Exploring Operation: 40+97=137, Resulting Numbers: [137] 137,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[40, 33], Operations: ['95-63=32', '65-32=33'] Exploring Operation: 40+33=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,67 unequal: No Solution Exploring Operation: 40*33=1320, Resulting Numbers: [1320] 1320,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 67:[95, 65, 103], Operations: ['63+40=103'] Exploring Operation: 95-65=30, Resulting Numbers: [103, 30] Generated Node #0,1,0: 67:[103, 30] Operation: 95-65=30 Exploring Operation: 103-95=8, Resulting Numbers: [65, 8] Generated Node #0,1,1: 67:[65, 8] Operation: 103-95=8 Exploring Operation: 103-65=38, Resulting Numbers: [95, 38] Generated Node #0,1,2: 67:[95, 38] Operation: 103-65=38 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 67:[95, 38], Operations: ['63+40=103', '103-65=38'] Exploring Operation: 95-38=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 95+38=133, Resulting Numbers: [133] 133,67 unequal: No Solution Exploring Operation: 95*38=3610, Resulting Numbers: [3610] 3610,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 67:[65, 8], Operations: ['63+40=103', '103-95=8'] Exploring Operation: 65-8=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 65*8=520, Resulting Numbers: [520] 520,67 unequal: No Solution Exploring Operation: 65+8=73, Resulting Numbers: [73] 73,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 67:[103, 30], Operations: ['63+40=103', '95-65=30'] Exploring Operation: 103+30=133, Resulting Numbers: [133] 133,67 unequal: No Solution Exploring Operation: 103-30=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 103*30=3090, Resulting Numbers: [3090] 3090,67 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
[ 91, 8, 71, 98 ]
86
[ "91-8=83", "71+98=169", "169-83=86" ]
Current State: 86:[91, 8, 71, 98], Operations: [] Exploring Operation: 91-8=83, Resulting Numbers: [71, 98, 83] Generated Node #2: [71, 98, 83] from Operation: 91-8=83 Current State: 86:[71, 98, 83], Operations: ['91-8=83'] Exploring Operation: 71+98=169, Resulting Numbers: [83, 169] Generated Node #3: [83, 169] from Operation: 71+98=169 Current State: 86:[83, 169], Operations: ['91-8=83', '71+98=169'] Exploring Operation: 169-83=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[91, 8, 71, 98], Operations: [] Exploring Operation: 98-91=7, Resulting Numbers: [8, 71, 7] Generated Node #0,0: 86:[8, 71, 7] Operation: 98-91=7 Exploring Operation: 98-8=90, Resulting Numbers: [91, 71, 90] Generated Node #0,1: 86:[91, 71, 90] Operation: 98-8=90 Exploring Operation: 8+71=79, Resulting Numbers: [91, 98, 79] Generated Node #0,2: 86:[91, 98, 79] Operation: 8+71=79 Moving to Node #0,1 Current State: 86:[91, 71, 90], Operations: ['98-8=90'] Exploring Operation: 91-71=20, Resulting Numbers: [90, 20] Generated Node #0,1,0: 86:[90, 20] Operation: 91-71=20 Exploring Operation: 91-90=1, Resulting Numbers: [71, 1] Generated Node #0,1,1: 86:[71, 1] Operation: 91-90=1 Exploring Operation: 90-71=19, Resulting Numbers: [91, 19] Generated Node #0,1,2: 86:[91, 19] Operation: 90-71=19 Moving to Node #0,2 Current State: 86:[91, 98, 79], Operations: ['8+71=79'] Exploring Operation: 98-79=19, Resulting Numbers: [91, 19] Generated Node #0,2,0: 86:[91, 19] Operation: 98-79=19 Exploring Operation: 91-79=12, Resulting Numbers: [98, 12] Generated Node #0,2,1: 86:[98, 12] Operation: 91-79=12 Exploring Operation: 98-91=7, Resulting Numbers: [79, 7] Generated Node #0,2,2: 86:[79, 7] Operation: 98-91=7 Moving to Node #0,0 Current State: 86:[8, 71, 7], Operations: ['98-91=7'] Exploring Operation: 71+7=78, Resulting Numbers: [8, 78] Generated Node #0,0,0: 86:[8, 78] Operation: 71+7=78 Exploring Operation: 8+71=79, Resulting Numbers: [7, 79] Generated Node #0,0,1: 86:[7, 79] Operation: 8+71=79 Exploring Operation: 8-7=1, Resulting Numbers: [71, 1] Generated Node #0,0,2: 86:[71, 1] Operation: 8-7=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[7, 79], Operations: ['98-91=7', '8+71=79'] Exploring Operation: 7*79=553, Resulting Numbers: [553] 553,86 unequal: No Solution Exploring Operation: 79-7=72, Resulting Numbers: [72] 72,86 unequal: No Solution Exploring Operation: 7+79=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[91, 8, 71, 98], Operations: [] Exploring Operation: 98-91=7, Resulting Numbers: [8, 71, 7] Generated Node #0,0: 86:[8, 71, 7] Operation: 98-91=7 Moving to Node #0,0 Current State: 86:[8, 71, 7], Operations: ['98-91=7'] Exploring Operation: 8+71=79, Resulting Numbers: [7, 79] Generated Node #0,0,1: 86:[7, 79] Operation: 8+71=79 Moving to Node #0,0,1 Current State: 86:[7, 79], Operations: ['98-91=7', '8+71=79'] Exploring Operation: 7+79=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 23, 64, 6, 64 ]
23
[ "64-64=0", "6*0=0", "23+0=23" ]
Current State: 23:[23, 64, 6, 64], Operations: [] Exploring Operation: 64-64=0, Resulting Numbers: [23, 6, 0] Generated Node #2: [23, 6, 0] from Operation: 64-64=0 Current State: 23:[23, 6, 0], Operations: ['64-64=0'] Exploring Operation: 6*0=0, Resulting Numbers: [23, 0] Generated Node #3: [23, 0] from Operation: 6*0=0 Current State: 23:[23, 0], Operations: ['64-64=0', '6*0=0'] Exploring Operation: 23+0=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[23, 64, 6, 64], Operations: [] Exploring Operation: 64-23=41, Resulting Numbers: [6, 64, 41] Generated Node #0,0: 23:[6, 64, 41] Operation: 64-23=41 Exploring Operation: 64-64=0, Resulting Numbers: [23, 6, 0] Generated Node #0,1: 23:[23, 6, 0] Operation: 64-64=0 Exploring Operation: 64/64=1, Resulting Numbers: [23, 6, 1] Generated Node #0,2: 23:[23, 6, 1] Operation: 64/64=1 Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[23, 6, 1], Operations: ['64/64=1'] Exploring Operation: 6+1=7, Resulting Numbers: [23, 7] Generated Node #0,2,0: 23:[23, 7] Operation: 6+1=7 Exploring Operation: 23/1=23, Resulting Numbers: [6, 23] Generated Node #0,2,1: 23:[6, 23] Operation: 23/1=23 Exploring Operation: 23*1=23, Resulting Numbers: [6, 23] Generated Node #0,2,2: 23:[6, 23] Operation: 23*1=23 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 23:[23, 7], Operations: ['64/64=1', '6+1=7'] Exploring Operation: 23*7=161, Resulting Numbers: [161] 161,23 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 23:[6, 23], Operations: ['64/64=1', '23/1=23'] Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,23 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 23:[6, 23], Operations: ['64/64=1', '23*1=23'] Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,23 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[23, 6, 0], Operations: ['64-64=0'] Exploring Operation: 6+0=6, Resulting Numbers: [23, 6] Generated Node #0,1,0: 23:[23, 6] Operation: 6+0=6 Exploring Operation: 23-0=23, Resulting Numbers: [6, 23] Generated Node #0,1,1: 23:[6, 23] Operation: 23-0=23 Exploring Operation: 23+0=23, Resulting Numbers: [6, 23] Generated Node #0,1,2: 23:[6, 23] Operation: 23+0=23 Moving to Node #0,1,0 Current State: 23:[23, 6], Operations: ['64-64=0', '6+0=6'] Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 23*6=138, Resulting Numbers: [138] 138,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[6, 23], Operations: ['64-64=0', '23-0=23'] Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,23 unequal: No Solution Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[6, 23], Operations: ['64-64=0', '23+0=23'] Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,23 unequal: No Solution Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[6, 64, 41], Operations: ['64-23=41'] Exploring Operation: 64-41=23, Resulting Numbers: [6, 23] Generated Node #0,0,0: 23:[6, 23] Operation: 64-41=23 Exploring Operation: 64-6=58, Resulting Numbers: [41, 58] Generated Node #0,0,1: 23:[41, 58] Operation: 64-6=58 Exploring Operation: 41-6=35, Resulting Numbers: [64, 35] Generated Node #0,0,2: 23:[64, 35] Operation: 41-6=35 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[6, 23], Operations: ['64-23=41', '64-41=23'] Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,23 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[41, 58], Operations: ['64-23=41', '64-6=58'] Exploring Operation: 41+58=99, Resulting Numbers: [99] 99,23 unequal: No Solution Exploring Operation: 41*58=2378, Resulting Numbers: [2378] 2378,23 unequal: No Solution Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 23:[64, 35], Operations: ['64-23=41', '41-6=35'] Exploring Operation: 64-35=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 64*35=2240, Resulting Numbers: [2240] 2240,23 unequal: No Solution Exploring Operation: 64+35=99, Resulting Numbers: [99] 99,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 34, 2, 93, 28 ]
53
[ "34*2=68", "93+28=121", "121-68=53" ]
Current State: 53:[34, 2, 93, 28], Operations: [] Exploring Operation: 34*2=68, Resulting Numbers: [93, 28, 68] Generated Node #2: [93, 28, 68] from Operation: 34*2=68 Current State: 53:[93, 28, 68], Operations: ['34*2=68'] Exploring Operation: 93+28=121, Resulting Numbers: [68, 121] Generated Node #3: [68, 121] from Operation: 93+28=121 Current State: 53:[68, 121], Operations: ['34*2=68', '93+28=121'] Exploring Operation: 121-68=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[34, 2, 93, 28], Operations: [] Exploring Operation: 2*28=56, Resulting Numbers: [34, 93, 56] Generated Node #0,0: 53:[34, 93, 56] Operation: 2*28=56 Exploring Operation: 34*2=68, Resulting Numbers: [93, 28, 68] Generated Node #0,1: 53:[93, 28, 68] Operation: 34*2=68 Exploring Operation: 34+2=36, Resulting Numbers: [93, 28, 36] Generated Node #0,2: 53:[93, 28, 36] Operation: 34+2=36 Moving to Node #0,0 Current State: 53:[34, 93, 56], Operations: ['2*28=56'] Exploring Operation: 93-34=59, Resulting Numbers: [56, 59] Generated Node #0,0,0: 53:[56, 59] Operation: 93-34=59 Exploring Operation: 93-56=37, Resulting Numbers: [34, 37] Generated Node #0,0,1: 53:[34, 37] Operation: 93-56=37 Exploring Operation: 56-34=22, Resulting Numbers: [93, 22] Generated Node #0,0,2: 53:[93, 22] Operation: 56-34=22 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[56, 59], Operations: ['2*28=56', '93-34=59'] Exploring Operation: 56*59=3304, Resulting Numbers: [3304] 3304,53 unequal: No Solution Exploring Operation: 59-56=3, Resulting Numbers: [3] 3,53 unequal: No Solution Exploring Operation: 56+59=115, Resulting Numbers: [115] 115,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 53:[34, 37], Operations: ['2*28=56', '93-56=37'] Exploring Operation: 34*37=1258, Resulting Numbers: [1258] 1258,53 unequal: No Solution Exploring Operation: 34+37=71, Resulting Numbers: [71] 71,53 unequal: No Solution Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 53:[93, 22], Operations: ['2*28=56', '56-34=22'] Exploring Operation: 93-22=71, Resulting Numbers: [71] 71,53 unequal: No Solution Exploring Operation: 93*22=2046, Resulting Numbers: [2046] 2046,53 unequal: No Solution Exploring Operation: 93+22=115, Resulting Numbers: [115] 115,53 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: 53:[93, 28, 68], Operations: ['34*2=68'] Exploring Operation: 68-28=40, Resulting Numbers: [93, 40] Generated Node #0,1,0: 53:[93, 40] Operation: 68-28=40 Exploring Operation: 93-28=65, Resulting Numbers: [68, 65] Generated Node #0,1,1: 53:[68, 65] Operation: 93-28=65 Exploring Operation: 93-68=25, Resulting Numbers: [28, 25] Generated Node #0,1,2: 53:[28, 25] Operation: 93-68=25 Moving to Node #0,2 Current State: 53:[93, 28, 36], Operations: ['34+2=36'] Exploring Operation: 93-28=65, Resulting Numbers: [36, 65] Generated Node #0,2,0: 53:[36, 65] Operation: 93-28=65 Exploring Operation: 28+36=64, Resulting Numbers: [93, 64] Generated Node #0,2,1: 53:[93, 64] Operation: 28+36=64 Exploring Operation: 93-36=57, Resulting Numbers: [28, 57] Generated Node #0,2,2: 53:[28, 57] Operation: 93-36=57 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 53:[36, 65], Operations: ['34+2=36', '93-28=65'] Exploring Operation: 36*65=2340, Resulting Numbers: [2340] 2340,53 unequal: No Solution Exploring Operation: 36+65=101, Resulting Numbers: [101] 101,53 unequal: No Solution Exploring Operation: 65-36=29, Resulting Numbers: [29] 29,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 53:[28, 57], Operations: ['34+2=36', '93-36=57'] Exploring Operation: 28*57=1596, Resulting Numbers: [1596] 1596,53 unequal: No Solution Exploring Operation: 28+57=85, Resulting Numbers: [85] 85,53 unequal: No Solution Exploring Operation: 57-28=29, Resulting Numbers: [29] 29,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 53:[93, 64], Operations: ['34+2=36', '28+36=64'] Exploring Operation: 93*64=5952, Resulting Numbers: [5952] 5952,53 unequal: No Solution Exploring Operation: 93+64=157, Resulting Numbers: [157] 157,53 unequal: No Solution Exploring Operation: 93-64=29, Resulting Numbers: [29] 29,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 53:[68, 65], Operations: ['34*2=68', '93-28=65'] Exploring Operation: 68*65=4420, Resulting Numbers: [4420] 4420,53 unequal: No Solution Exploring Operation: 68-65=3, Resulting Numbers: [3] 3,53 unequal: No Solution Exploring Operation: 68+65=133, Resulting Numbers: [133] 133,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[93, 40], Operations: ['34*2=68', '68-28=40'] Exploring Operation: 93*40=3720, Resulting Numbers: [3720] 3720,53 unequal: No Solution Exploring Operation: 93-40=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[34, 2, 93, 28], Operations: [] Exploring Operation: 34*2=68, Resulting Numbers: [93, 28, 68] Generated Node #0,1: 53:[93, 28, 68] Operation: 34*2=68 Moving to Node #0,1 Current State: 53:[93, 28, 68], Operations: ['34*2=68'] Exploring Operation: 68-28=40, Resulting Numbers: [93, 40] Generated Node #0,1,0: 53:[93, 40] Operation: 68-28=40 Moving to Node #0,1,0 Current State: 53:[93, 40], Operations: ['34*2=68', '68-28=40'] Exploring Operation: 93-40=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
0.966146
hs_3
sum_heuristic
[ 95, 27, 4, 36 ]
92
[ "27*4=108", "108/36=3", "95-3=92" ]
Current State: 92:[95, 27, 4, 36], Operations: [] Exploring Operation: 27*4=108, Resulting Numbers: [95, 36, 108] Generated Node #2: [95, 36, 108] from Operation: 27*4=108 Current State: 92:[95, 36, 108], Operations: ['27*4=108'] Exploring Operation: 108/36=3, Resulting Numbers: [95, 3] Generated Node #3: [95, 3] from Operation: 108/36=3 Current State: 92:[95, 3], Operations: ['27*4=108', '108/36=3'] Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[95, 27, 4, 36], Operations: [] Exploring Operation: 95-4=91, Resulting Numbers: [27, 36, 91] Generated Node #0,0: 92:[27, 36, 91] Operation: 95-4=91 Exploring Operation: 27-4=23, Resulting Numbers: [95, 36, 23] Generated Node #0,1: 92:[95, 36, 23] Operation: 27-4=23 Exploring Operation: 36/4=9, Resulting Numbers: [95, 27, 9] Generated Node #0,2: 92:[95, 27, 9] Operation: 36/4=9 Exploring Operation: 4+36=40, Resulting Numbers: [95, 27, 40] Generated Node #0,3: 92:[95, 27, 40] Operation: 4+36=40 Exploring Operation: 36-27=9, Resulting Numbers: [95, 4, 9] Generated Node #0,4: 92:[95, 4, 9] Operation: 36-27=9 Start Sub Search at level 1: Moving to Node #0,4 Current State: 92:[95, 4, 9], Operations: ['36-27=9'] Exploring Operation: 95+9=104, Resulting Numbers: [4, 104] Generated Node #0,4,0: 92:[4, 104] Operation: 95+9=104 Exploring Operation: 95-9=86, Resulting Numbers: [4, 86] Generated Node #0,4,1: 92:[4, 86] Operation: 95-9=86 Exploring Operation: 9-4=5, Resulting Numbers: [95, 5] Generated Node #0,4,2: 92:[95, 5] Operation: 9-4=5 Exploring Operation: 95+4=99, Resulting Numbers: [9, 99] Generated Node #0,4,3: 92:[9, 99] Operation: 95+4=99 Exploring Operation: 95-4=91, Resulting Numbers: [9, 91] Generated Node #0,4,4: 92:[9, 91] Operation: 95-4=91 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 92:[95, 5], Operations: ['36-27=9', '9-4=5'] Exploring Operation: 95*5=475, Resulting Numbers: [475] 475,92 unequal: No Solution Exploring Operation: 95+5=100, Resulting Numbers: [100] 100,92 unequal: No Solution Exploring Operation: 95-5=90, Resulting Numbers: [90] 90,92 unequal: No Solution Exploring Operation: 95/5=19, Resulting Numbers: [19] 19,92 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 #0,4,1 Current State: 92:[4, 86], Operations: ['36-27=9', '95-9=86'] Exploring Operation: 86-4=82, Resulting Numbers: [82] 82,92 unequal: No Solution Exploring Operation: 4+86=90, Resulting Numbers: [90] 90,92 unequal: No Solution Exploring Operation: 4*86=344, Resulting Numbers: [344] 344,92 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 #0,4,4 Current State: 92:[9, 91], Operations: ['36-27=9', '95-4=91'] Exploring Operation: 91-9=82, Resulting Numbers: [82] 82,92 unequal: No Solution Exploring Operation: 9*91=819, Resulting Numbers: [819] 819,92 unequal: No Solution Exploring Operation: 9+91=100, Resulting Numbers: [100] 100,92 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 #0,4,0 Current State: 92:[4, 104], Operations: ['36-27=9', '95+9=104'] Exploring Operation: 4*104=416, Resulting Numbers: [416] 416,92 unequal: No Solution Exploring Operation: 104/4=26, Resulting Numbers: [26] 26,92 unequal: No Solution Exploring Operation: 104-4=100, Resulting Numbers: [100] 100,92 unequal: No Solution Exploring Operation: 4+104=108, Resulting Numbers: [108] 108,92 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 #0,4,3 Current State: 92:[9, 99], Operations: ['36-27=9', '95+4=99'] Exploring Operation: 99-9=90, Resulting Numbers: [90] 90,92 unequal: No Solution Exploring Operation: 99/9=11, Resulting Numbers: [11] 11,92 unequal: No Solution Exploring Operation: 9*99=891, Resulting Numbers: [891] 891,92 unequal: No Solution Exploring Operation: 9+99=108, Resulting Numbers: [108] 108,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[95, 27, 9], Operations: ['36/4=9'] Exploring Operation: 27-9=18, Resulting Numbers: [95, 18] Generated Node #0,2,0: 92:[95, 18] Operation: 27-9=18 Exploring Operation: 95+9=104, Resulting Numbers: [27, 104] Generated Node #0,2,1: 92:[27, 104] Operation: 95+9=104 Exploring Operation: 95-9=86, Resulting Numbers: [27, 86] Generated Node #0,2,2: 92:[27, 86] Operation: 95-9=86 Exploring Operation: 27+9=36, Resulting Numbers: [95, 36] Generated Node #0,2,3: 92:[95, 36] Operation: 27+9=36 Exploring Operation: 27/9=3, Resulting Numbers: [95, 3] Generated Node #0,2,4: 92:[95, 3] Operation: 27/9=3 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 92:[95, 3], Operations: ['36/4=9', '27/9=3'] Exploring Operation: 95+3=98, Resulting Numbers: [98] 98,92 unequal: No Solution Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[95, 27, 4, 36], Operations: [] Exploring Operation: 36/4=9, Resulting Numbers: [95, 27, 9] Generated Node #0,2: 92:[95, 27, 9] Operation: 36/4=9 Moving to Node #0,2 Current State: 92:[95, 27, 9], Operations: ['36/4=9'] Exploring Operation: 27/9=3, Resulting Numbers: [95, 3] Generated Node #0,2,4: 92:[95, 3] Operation: 27/9=3 Moving to Node #0,2,4 Current State: 92:[95, 3], Operations: ['36/4=9', '27/9=3'] Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.966146
hs_5
mult_heuristic
[ 38, 57, 11, 48 ]
58
[ "38+57=95", "48-11=37", "95-37=58" ]
Current State: 58:[38, 57, 11, 48], Operations: [] Exploring Operation: 38+57=95, Resulting Numbers: [11, 48, 95] Generated Node #2: [11, 48, 95] from Operation: 38+57=95 Current State: 58:[11, 48, 95], Operations: ['38+57=95'] Exploring Operation: 48-11=37, Resulting Numbers: [95, 37] Generated Node #3: [95, 37] from Operation: 48-11=37 Current State: 58:[95, 37], Operations: ['38+57=95', '48-11=37'] Exploring Operation: 95-37=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[38, 57, 11, 48], Operations: [] Exploring Operation: 48-38=10, Resulting Numbers: [57, 11, 10] Generated Node #0,0: 58:[57, 11, 10] Operation: 48-38=10 Exploring Operation: 11+48=59, Resulting Numbers: [38, 57, 59] Generated Node #0,1: 58:[38, 57, 59] Operation: 11+48=59 Exploring Operation: 38-11=27, Resulting Numbers: [57, 48, 27] Generated Node #0,2: 58:[57, 48, 27] Operation: 38-11=27 Exploring Operation: 48-11=37, Resulting Numbers: [38, 57, 37] Generated Node #0,3: 58:[38, 57, 37] Operation: 48-11=37 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[38, 57, 59], Operations: ['11+48=59'] Exploring Operation: 38+57=95, Resulting Numbers: [59, 95] Generated Node #0,1,0: 58:[59, 95] Operation: 38+57=95 Exploring Operation: 59-57=2, Resulting Numbers: [38, 2] Generated Node #0,1,1: 58:[38, 2] Operation: 59-57=2 Exploring Operation: 59-38=21, Resulting Numbers: [57, 21] Generated Node #0,1,2: 58:[57, 21] Operation: 59-38=21 Exploring Operation: 57-38=19, Resulting Numbers: [59, 19] Generated Node #0,1,3: 58:[59, 19] Operation: 57-38=19 Moving to Node #0,1,1 Current State: 58:[38, 2], Operations: ['11+48=59', '59-57=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 38*2=76, Resulting Numbers: [76] 76,58 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,58 unequal: No Solution Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,58 unequal: No Solution Moving to Node #0,1,2 Current State: 58:[57, 21], Operations: ['11+48=59', '59-38=21'] Exploring Operation: 57+21=78, Resulting Numbers: [78] 78,58 unequal: No Solution Exploring Operation: 57*21=1197, Resulting Numbers: [1197] 1197,58 unequal: No Solution Exploring Operation: 57-21=36, Resulting Numbers: [36] 36,58 unequal: No Solution Moving to Node #0,1,3 Current State: 58:[59, 19], Operations: ['11+48=59', '57-38=19'] Exploring Operation: 59-19=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 59+19=78, Resulting Numbers: [78] 78,58 unequal: No Solution Exploring Operation: 59*19=1121, Resulting Numbers: [1121] 1121,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[59, 95], Operations: ['11+48=59', '38+57=95'] Exploring Operation: 59*95=5605, Resulting Numbers: [5605] 5605,58 unequal: No Solution Exploring Operation: 95-59=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 59+95=154, Resulting Numbers: [154] 154,58 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 Current State: 58:[57, 48, 27], Operations: ['38-11=27'] Exploring Operation: 57-48=9, Resulting Numbers: [27, 9] Generated Node #0,2,0: 58:[27, 9] Operation: 57-48=9 Exploring Operation: 48+27=75, Resulting Numbers: [57, 75] Generated Node #0,2,1: 58:[57, 75] Operation: 48+27=75 Exploring Operation: 48-27=21, Resulting Numbers: [57, 21] Generated Node #0,2,2: 58:[57, 21] Operation: 48-27=21 Exploring Operation: 57-27=30, Resulting Numbers: [48, 30] Generated Node #0,2,3: 58:[48, 30] Operation: 57-27=30 Moving to Node #0,2,0 Current State: 58:[27, 9], Operations: ['38-11=27', '57-48=9'] Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 27+9=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 27*9=243, Resulting Numbers: [243] 243,58 unequal: No Solution Moving to Node #0,2,2 Current State: 58:[57, 21], Operations: ['38-11=27', '48-27=21'] Exploring Operation: 57+21=78, Resulting Numbers: [78] 78,58 unequal: No Solution Exploring Operation: 57-21=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 57*21=1197, Resulting Numbers: [1197] 1197,58 unequal: No Solution Moving to Node #0,2,3 Current State: 58:[48, 30], Operations: ['38-11=27', '57-27=30'] Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 48+30=78, Resulting Numbers: [78] 78,58 unequal: No Solution Exploring Operation: 48*30=1440, Resulting Numbers: [1440] 1440,58 unequal: No Solution Moving to Node #0,2,1 Current State: 58:[57, 75], Operations: ['38-11=27', '48+27=75'] Exploring Operation: 75-57=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 57*75=4275, Resulting Numbers: [4275] 4275,58 unequal: No Solution Exploring Operation: 57+75=132, Resulting Numbers: [132] 132,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[57, 11, 10], Operations: ['48-38=10'] Exploring Operation: 11-10=1, Resulting Numbers: [57, 1] Generated Node #0,0,0: 58:[57, 1] Operation: 11-10=1 Exploring Operation: 57+11=68, Resulting Numbers: [10, 68] Generated Node #0,0,1: 58:[10, 68] Operation: 57+11=68 Exploring Operation: 11+10=21, Resulting Numbers: [57, 21] Generated Node #0,0,2: 58:[57, 21] Operation: 11+10=21 Exploring Operation: 57+10=67, Resulting Numbers: [11, 67] Generated Node #0,0,3: 58:[11, 67] Operation: 57+10=67 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 58:[57, 1], Operations: ['48-38=10', '11-10=1'] Exploring Operation: 57*1=57, Resulting Numbers: [57] 57,58 unequal: No Solution Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,58 unequal: No Solution Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,58 unequal: No Solution Exploring Operation: 57+1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[38, 57, 11, 48], Operations: [] Exploring Operation: 48-38=10, Resulting Numbers: [57, 11, 10] Generated Node #0,0: 58:[57, 11, 10] Operation: 48-38=10 Moving to Node #0,0 Current State: 58:[57, 11, 10], Operations: ['48-38=10'] Exploring Operation: 11-10=1, Resulting Numbers: [57, 1] Generated Node #0,0,0: 58:[57, 1] Operation: 11-10=1 Moving to Node #0,0,0 Current State: 58:[57, 1], Operations: ['48-38=10', '11-10=1'] Exploring Operation: 57+1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.956597
hs_4
sum_heuristic
[ 42, 52, 44, 37 ]
91
[ "52-42=10", "44+37=81", "10+81=91" ]
Current State: 91:[42, 52, 44, 37], Operations: [] Exploring Operation: 52-42=10, Resulting Numbers: [44, 37, 10] Generated Node #2: [44, 37, 10] from Operation: 52-42=10 Current State: 91:[44, 37, 10], Operations: ['52-42=10'] Exploring Operation: 44+37=81, Resulting Numbers: [10, 81] Generated Node #3: [10, 81] from Operation: 44+37=81 Current State: 91:[10, 81], Operations: ['52-42=10', '44+37=81'] Exploring Operation: 10+81=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[42, 52, 44, 37], Operations: [] Exploring Operation: 52-44=8, Resulting Numbers: [42, 37, 8] Generated Node #0,0: 91:[42, 37, 8] Operation: 52-44=8 Moving to Node #0,0 Current State: 91:[42, 37, 8], Operations: ['52-44=8'] Exploring Operation: 42-37=5, Resulting Numbers: [8, 5] Generated Node #0,0,0: 91:[8, 5] Operation: 42-37=5 Moving to Node #0,0,0 Current State: 91:[8, 5], Operations: ['52-44=8', '42-37=5'] Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,91 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 95, 55, 67, 15 ]
85
[ "67-55=12", "15*12=180", "180-95=85" ]
Current State: 85:[95, 55, 67, 15], Operations: [] Exploring Operation: 67-55=12, Resulting Numbers: [95, 15, 12] Generated Node #2: [95, 15, 12] from Operation: 67-55=12 Current State: 85:[95, 15, 12], Operations: ['67-55=12'] Exploring Operation: 15*12=180, Resulting Numbers: [95, 180] Generated Node #3: [95, 180] from Operation: 15*12=180 Current State: 85:[95, 180], Operations: ['67-55=12', '15*12=180'] Exploring Operation: 180-95=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[95, 55, 67, 15], Operations: [] Exploring Operation: 95-55=40, Resulting Numbers: [67, 15, 40] Generated Node #0,0: 85:[67, 15, 40] Operation: 95-55=40 Exploring Operation: 67-55=12, Resulting Numbers: [95, 15, 12] Generated Node #0,1: 85:[95, 15, 12] Operation: 67-55=12 Moving to Node #0,1 Current State: 85:[95, 15, 12], Operations: ['67-55=12'] Exploring Operation: 95-12=83, Resulting Numbers: [15, 83] Generated Node #0,1,0: 85:[15, 83] Operation: 95-12=83 Exploring Operation: 95-15=80, Resulting Numbers: [12, 80] Generated Node #0,1,1: 85:[12, 80] Operation: 95-15=80 Moving to Node #0,0 Current State: 85:[67, 15, 40], Operations: ['95-55=40'] Exploring Operation: 67-40=27, Resulting Numbers: [15, 27] Generated Node #0,0,0: 85:[15, 27] Operation: 67-40=27 Exploring Operation: 67+40=107, Resulting Numbers: [15, 107] Generated Node #0,0,1: 85:[15, 107] Operation: 67+40=107 Moving to Node #0,1,0 Current State: 85:[15, 83], Operations: ['67-55=12', '95-12=83'] Exploring Operation: 83-15=68, Resulting Numbers: [68] 68,85 unequal: No Solution Exploring Operation: 15+83=98, Resulting Numbers: [98] 98,85 unequal: No Solution Moving to Node #0,1,1 Current State: 85:[12, 80], Operations: ['67-55=12', '95-15=80'] Exploring Operation: 12+80=92, Resulting Numbers: [92] 92,85 unequal: No Solution Exploring Operation: 80-12=68, Resulting Numbers: [68] 68,85 unequal: No Solution Moving to Node #0,0,0 Current State: 85:[15, 27], Operations: ['95-55=40', '67-40=27'] Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,85 unequal: No Solution Exploring Operation: 15+27=42, Resulting Numbers: [42] 42,85 unequal: No Solution Moving to Node #0,0,1 Current State: 85:[15, 107], Operations: ['95-55=40', '67+40=107'] Exploring Operation: 107-15=92, Resulting Numbers: [92] 92,85 unequal: No Solution Exploring Operation: 15+107=122, Resulting Numbers: [122] 122,85 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 29, 19, 4, 14 ]
58
[ "29+19=48", "14-4=10", "48+10=58" ]
Current State: 58:[29, 19, 4, 14], Operations: [] Exploring Operation: 29+19=48, Resulting Numbers: [4, 14, 48] Generated Node #2: [4, 14, 48] from Operation: 29+19=48 Current State: 58:[4, 14, 48], Operations: ['29+19=48'] Exploring Operation: 14-4=10, Resulting Numbers: [48, 10] Generated Node #3: [48, 10] from Operation: 14-4=10 Current State: 58:[48, 10], Operations: ['29+19=48', '14-4=10'] Exploring Operation: 48+10=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[29, 19, 4, 14], Operations: [] Exploring Operation: 19-14=5, Resulting Numbers: [29, 4, 5] Generated Node #0,0: 58:[29, 4, 5] Operation: 19-14=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[29, 4, 5], Operations: ['19-14=5'] Exploring Operation: 5-4=1, Resulting Numbers: [29, 1] Generated Node #0,0,0: 58:[29, 1] Operation: 5-4=1 Moving to Node #0,0,0 Current State: 58:[29, 1], Operations: ['19-14=5', '5-4=1'] Exploring Operation: 29*1=29, Resulting Numbers: [29] 29,58 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
[ 33, 98, 46, 48 ]
67
[ "98-33=65", "48-46=2", "65+2=67" ]
Current State: 67:[33, 98, 46, 48], Operations: [] Exploring Operation: 98-33=65, Resulting Numbers: [46, 48, 65] Generated Node #2: [46, 48, 65] from Operation: 98-33=65 Current State: 67:[46, 48, 65], Operations: ['98-33=65'] Exploring Operation: 48-46=2, Resulting Numbers: [65, 2] Generated Node #3: [65, 2] from Operation: 48-46=2 Current State: 67:[65, 2], Operations: ['98-33=65', '48-46=2'] Exploring Operation: 65+2=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[33, 98, 46, 48], Operations: [] Exploring Operation: 33+46=79, Resulting Numbers: [98, 48, 79] Generated Node #0,0: 67:[98, 48, 79] Operation: 33+46=79 Exploring Operation: 98-33=65, Resulting Numbers: [46, 48, 65] Generated Node #0,1: 67:[46, 48, 65] Operation: 98-33=65 Moving to Node #0,1 Current State: 67:[46, 48, 65], Operations: ['98-33=65'] Exploring Operation: 46+48=94, Resulting Numbers: [65, 94] Generated Node #0,1,0: 67:[65, 94] Operation: 46+48=94 Exploring Operation: 46+65=111, Resulting Numbers: [48, 111] Generated Node #0,1,1: 67:[48, 111] Operation: 46+65=111 Moving to Node #0,0 Current State: 67:[98, 48, 79], Operations: ['33+46=79'] Exploring Operation: 98-79=19, Resulting Numbers: [48, 19] Generated Node #0,0,0: 67:[48, 19] Operation: 98-79=19 Exploring Operation: 98-48=50, Resulting Numbers: [79, 50] Generated Node #0,0,1: 67:[79, 50] Operation: 98-48=50 Moving to Node #0,1,0 Current State: 67:[65, 94], Operations: ['98-33=65', '46+48=94'] Exploring Operation: 65+94=159, Resulting Numbers: [159] 159,67 unequal: No Solution Exploring Operation: 94-65=29, Resulting Numbers: [29] 29,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[79, 50], Operations: ['33+46=79', '98-48=50'] Exploring Operation: 79+50=129, Resulting Numbers: [129] 129,67 unequal: No Solution Exploring Operation: 79-50=29, Resulting Numbers: [29] 29,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[48, 111], Operations: ['98-33=65', '46+65=111'] Exploring Operation: 48+111=159, Resulting Numbers: [159] 159,67 unequal: No Solution Exploring Operation: 111-48=63, Resulting Numbers: [63] 63,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[48, 19], Operations: ['33+46=79', '98-79=19'] Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,67 unequal: No Solution Exploring Operation: 48+19=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[33, 98, 46, 48], Operations: [] Exploring Operation: 33+46=79, Resulting Numbers: [98, 48, 79] Generated Node #0,0: 67:[98, 48, 79] Operation: 33+46=79 Moving to Node #0,0 Current State: 67:[98, 48, 79], Operations: ['33+46=79'] Exploring Operation: 98-79=19, Resulting Numbers: [48, 19] Generated Node #0,0,0: 67:[48, 19] Operation: 98-79=19 Moving to Node #0,0,0 Current State: 67:[48, 19], Operations: ['33+46=79', '98-79=19'] Exploring Operation: 48+19=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
0.984375
hs_2
mult_heuristic
[ 14, 7, 40, 57 ]
21
[ "14+40=54", "57-54=3", "7*3=21" ]
Current State: 21:[14, 7, 40, 57], Operations: [] Exploring Operation: 14+40=54, Resulting Numbers: [7, 57, 54] Generated Node #2: [7, 57, 54] from Operation: 14+40=54 Current State: 21:[7, 57, 54], Operations: ['14+40=54'] Exploring Operation: 57-54=3, Resulting Numbers: [7, 3] Generated Node #3: [7, 3] from Operation: 57-54=3 Current State: 21:[7, 3], Operations: ['14+40=54', '57-54=3'] Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[14, 7, 40, 57], Operations: [] Exploring Operation: 57-40=17, Resulting Numbers: [14, 7, 17] Generated Node #0,0: 21:[14, 7, 17] Operation: 57-40=17 Exploring Operation: 40-14=26, Resulting Numbers: [7, 57, 26] Generated Node #0,1: 21:[7, 57, 26] Operation: 40-14=26 Exploring Operation: 57-14=43, Resulting Numbers: [7, 40, 43] Generated Node #0,2: 21:[7, 40, 43] Operation: 57-14=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[14, 7, 17], Operations: ['57-40=17'] Exploring Operation: 14-7=7, Resulting Numbers: [17, 7] Generated Node #0,0,0: 21:[17, 7] Operation: 14-7=7 Exploring Operation: 17-14=3, Resulting Numbers: [7, 3] Generated Node #0,0,1: 21:[7, 3] Operation: 17-14=3 Exploring Operation: 14+7=21, Resulting Numbers: [17, 21] Generated Node #0,0,2: 21:[17, 21] Operation: 14+7=21 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 21:[7, 3], Operations: ['57-40=17', '17-14=3'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,21 unequal: No Solution Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[14, 7, 40, 57], Operations: [] Exploring Operation: 57-40=17, Resulting Numbers: [14, 7, 17] Generated Node #0,0: 21:[14, 7, 17] Operation: 57-40=17 Moving to Node #0,0 Current State: 21:[14, 7, 17], Operations: ['57-40=17'] Exploring Operation: 17-14=3, Resulting Numbers: [7, 3] Generated Node #0,0,1: 21:[7, 3] Operation: 17-14=3 Moving to Node #0,0,1 Current State: 21:[7, 3], Operations: ['57-40=17', '17-14=3'] Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 63, 7, 84, 77 ]
12
[ "63+7=70", "77-70=7", "84/7=12" ]
Current State: 12:[63, 7, 84, 77], Operations: [] Exploring Operation: 63+7=70, Resulting Numbers: [84, 77, 70] Generated Node #2: [84, 77, 70] from Operation: 63+7=70 Current State: 12:[84, 77, 70], Operations: ['63+7=70'] Exploring Operation: 77-70=7, Resulting Numbers: [84, 7] Generated Node #3: [84, 7] from Operation: 77-70=7 Current State: 12:[84, 7], Operations: ['63+7=70', '77-70=7'] Exploring Operation: 84/7=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[63, 7, 84, 77], Operations: [] Exploring Operation: 84-77=7, Resulting Numbers: [63, 7, 7] Generated Node #0,0: 12:[63, 7, 7] Operation: 84-77=7 Exploring Operation: 77-63=14, Resulting Numbers: [7, 84, 14] Generated Node #0,1: 12:[7, 84, 14] Operation: 77-63=14 Exploring Operation: 84-63=21, Resulting Numbers: [7, 77, 21] Generated Node #0,2: 12:[7, 77, 21] Operation: 84-63=21 Exploring Operation: 84/7=12, Resulting Numbers: [63, 77, 12] Generated Node #0,3: 12:[63, 77, 12] Operation: 84/7=12 Moving to Node #0,0 Current State: 12:[63, 7, 7], Operations: ['84-77=7'] Exploring Operation: 63-7=56, Resulting Numbers: [7, 56] Generated Node #0,0,0: 12:[7, 56] Operation: 63-7=56 Exploring Operation: 63/7=9, Resulting Numbers: [7, 9] Generated Node #0,0,1: 12:[7, 9] Operation: 63/7=9 Exploring Operation: 63/7=9, Resulting Numbers: [7, 9] Generated Node #0,0,2: 12:[7, 9] Operation: 63/7=9 Exploring Operation: 63-7=56, Resulting Numbers: [7, 56] Generated Node #0,0,3: 12:[7, 56] Operation: 63-7=56 Moving to Node #0,2 Current State: 12:[7, 77, 21], Operations: ['84-63=21'] Exploring Operation: 77-21=56, Resulting Numbers: [7, 56] Generated Node #0,2,0: 12:[7, 56] Operation: 77-21=56 Exploring Operation: 77/7=11, Resulting Numbers: [21, 11] Generated Node #0,2,1: 12:[21, 11] Operation: 77/7=11 Exploring Operation: 77-7=70, Resulting Numbers: [21, 70] Generated Node #0,2,2: 12:[21, 70] Operation: 77-7=70 Exploring Operation: 21/7=3, Resulting Numbers: [77, 3] Generated Node #0,2,3: 12:[77, 3] Operation: 21/7=3 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 12:[21, 11], Operations: ['84-63=21', '77/7=11'] Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,12 unequal: No Solution Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,12 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 12:[7, 56], Operations: ['84-63=21', '77-21=56'] Exploring Operation: 7+56=63, Resulting Numbers: [63] 63,12 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,12 unequal: No Solution Exploring Operation: 7*56=392, Resulting Numbers: [392] 392,12 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 12:[77, 3], Operations: ['84-63=21', '21/7=3'] Exploring Operation: 77*3=231, Resulting Numbers: [231] 231,12 unequal: No Solution Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,12 unequal: No Solution Exploring Operation: 77+3=80, Resulting Numbers: [80] 80,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 12:[21, 70], Operations: ['84-63=21', '77-7=70'] Exploring Operation: 21*70=1470, Resulting Numbers: [1470] 1470,12 unequal: No Solution Exploring Operation: 21+70=91, Resulting Numbers: [91] 91,12 unequal: No Solution Exploring Operation: 70-21=49, Resulting Numbers: [49] 49,12 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: 12:[7, 84, 14], Operations: ['77-63=14'] Exploring Operation: 84-7=77, Resulting Numbers: [14, 77] Generated Node #0,1,0: 12:[14, 77] Operation: 84-7=77 Exploring Operation: 84/7=12, Resulting Numbers: [14, 12] Generated Node #0,1,1: 12:[14, 12] Operation: 84/7=12 Exploring Operation: 84/14=6, Resulting Numbers: [7, 6] Generated Node #0,1,2: 12:[7, 6] Operation: 84/14=6 Exploring Operation: 84-14=70, Resulting Numbers: [7, 70] Generated Node #0,1,3: 12:[7, 70] Operation: 84-14=70 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 12:[7, 6], Operations: ['77-63=14', '84/14=6'] Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,12 unequal: No Solution Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,12 unequal: No Solution Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 12:[14, 12], Operations: ['77-63=14', '84/7=12'] Exploring Operation: 14*12=168, Resulting Numbers: [168] 168,12 unequal: No Solution Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,12 unequal: No Solution Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 12:[7, 70], Operations: ['77-63=14', '84-14=70'] Exploring Operation: 7+70=77, Resulting Numbers: [77] 77,12 unequal: No Solution Exploring Operation: 70-7=63, Resulting Numbers: [63] 63,12 unequal: No Solution Exploring Operation: 70/7=10, Resulting Numbers: [10] 10,12 unequal: No Solution Exploring Operation: 7*70=490, Resulting Numbers: [490] 490,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 12:[14, 77], Operations: ['77-63=14', '84-7=77'] Exploring Operation: 14*77=1078, Resulting Numbers: [1078] 1078,12 unequal: No Solution Exploring Operation: 14+77=91, Resulting Numbers: [91] 91,12 unequal: No Solution Exploring Operation: 77-14=63, Resulting Numbers: [63] 63,12 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: 12:[63, 77, 12], Operations: ['84/7=12'] Exploring Operation: 77-12=65, Resulting Numbers: [63, 65] Generated Node #0,3,0: 12:[63, 65] Operation: 77-12=65 Exploring Operation: 63-12=51, Resulting Numbers: [77, 51] Generated Node #0,3,1: 12:[77, 51] Operation: 63-12=51 Exploring Operation: 77-63=14, Resulting Numbers: [12, 14] Generated Node #0,3,2: 12:[12, 14] Operation: 77-63=14 Exploring Operation: 63+77=140, Resulting Numbers: [12, 140] Generated Node #0,3,3: 12:[12, 140] Operation: 63+77=140 Moving to Node #0,3,2 Current State: 12:[12, 14], Operations: ['84/7=12', '77-63=14'] Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,12 unequal: No Solution Exploring Operation: 12*14=168, Resulting Numbers: [168] 168,12 unequal: No Solution Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,12 unequal: No Solution Moving to Node #0,0,1 Current State: 12:[7, 9], Operations: ['84-77=7', '63/7=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,12 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,12 unequal: No Solution Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,12 unequal: No Solution Moving to Node #0,0,2 Current State: 12:[7, 9], Operations: ['84-77=7', '63/7=9'] Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,12 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,12 unequal: No Solution Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,12 unequal: No Solution Moving to Node #0,0,0 Current State: 12:[7, 56], Operations: ['84-77=7', '63-7=56'] Exploring Operation: 7*56=392, Resulting Numbers: [392] 392,12 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,12 unequal: No Solution Exploring Operation: 7+56=63, Resulting Numbers: [63] 63,12 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,12 unequal: No Solution Moving to Node #0,0,3 Current State: 12:[7, 56], Operations: ['84-77=7', '63-7=56'] Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 7*56=392, Resulting Numbers: [392] 392,12 unequal: No Solution Exploring Operation: 7+56=63, Resulting Numbers: [63] 63,12 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,12 unequal: No Solution Moving to Node #0,3,0 Current State: 12:[63, 65], Operations: ['84/7=12', '77-12=65'] Exploring Operation: 63*65=4095, Resulting Numbers: [4095] 4095,12 unequal: No Solution Exploring Operation: 65-63=2, Resulting Numbers: [2] 2,12 unequal: No Solution Exploring Operation: 63+65=128, Resulting Numbers: [128] 128,12 unequal: No Solution Moving to Node #0,3,1 Current State: 12:[77, 51], Operations: ['84/7=12', '63-12=51'] Exploring Operation: 77+51=128, Resulting Numbers: [128] 128,12 unequal: No Solution Exploring Operation: 77-51=26, Resulting Numbers: [26] 26,12 unequal: No Solution Exploring Operation: 77*51=3927, Resulting Numbers: [3927] 3927,12 unequal: No Solution Moving to Node #0,3,3 Current State: 12:[12, 140], Operations: ['84/7=12', '63+77=140'] Exploring Operation: 140-12=128, Resulting Numbers: [128] 128,12 unequal: No Solution Exploring Operation: 12*140=1680, Resulting Numbers: [1680] 1680,12 unequal: No Solution Exploring Operation: 12+140=152, Resulting Numbers: [152] 152,12 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 62, 13, 36, 60 ]
31
[ "62-60=2", "36/2=18", "13+18=31" ]
Current State: 31:[62, 13, 36, 60], Operations: [] Exploring Operation: 62-60=2, Resulting Numbers: [13, 36, 2] Generated Node #2: [13, 36, 2] from Operation: 62-60=2 Current State: 31:[13, 36, 2], Operations: ['62-60=2'] Exploring Operation: 36/2=18, Resulting Numbers: [13, 18] Generated Node #3: [13, 18] from Operation: 36/2=18 Current State: 31:[13, 18], Operations: ['62-60=2', '36/2=18'] Exploring Operation: 13+18=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[62, 13, 36, 60], Operations: [] Exploring Operation: 62-13=49, Resulting Numbers: [36, 60, 49] Generated Node #0,0: 31:[36, 60, 49] Operation: 62-13=49 Exploring Operation: 62-36=26, Resulting Numbers: [13, 60, 26] Generated Node #0,1: 31:[13, 60, 26] Operation: 62-36=26 Exploring Operation: 62-60=2, Resulting Numbers: [13, 36, 2] Generated Node #0,2: 31:[13, 36, 2] Operation: 62-60=2 Moving to Node #0,0 Current State: 31:[36, 60, 49], Operations: ['62-13=49'] Exploring Operation: 49-36=13, Resulting Numbers: [60, 13] Generated Node #0,0,0: 31:[60, 13] Operation: 49-36=13 Exploring Operation: 60-49=11, Resulting Numbers: [36, 11] Generated Node #0,0,1: 31:[36, 11] Operation: 60-49=11 Exploring Operation: 60-36=24, Resulting Numbers: [49, 24] Generated Node #0,0,2: 31:[49, 24] Operation: 60-36=24 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 31:[36, 11], Operations: ['62-13=49', '60-49=11'] Exploring Operation: 36*11=396, Resulting Numbers: [396] 396,31 unequal: No Solution Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 36+11=47, Resulting Numbers: [47] 47,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 31:[49, 24], Operations: ['62-13=49', '60-36=24'] Exploring Operation: 49*24=1176, Resulting Numbers: [1176] 1176,31 unequal: No Solution Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 49+24=73, Resulting Numbers: [73] 73,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[60, 13], Operations: ['62-13=49', '49-36=13'] Exploring Operation: 60-13=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 60*13=780, Resulting Numbers: [780] 780,31 unequal: No Solution Exploring Operation: 60+13=73, Resulting Numbers: [73] 73,31 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: 31:[13, 60, 26], Operations: ['62-36=26'] Exploring Operation: 60-13=47, Resulting Numbers: [26, 47] Generated Node #0,1,0: 31:[26, 47] Operation: 60-13=47 Exploring Operation: 60-26=34, Resulting Numbers: [13, 34] Generated Node #0,1,1: 31:[13, 34] Operation: 60-26=34 Exploring Operation: 13+26=39, Resulting Numbers: [60, 39] Generated Node #0,1,2: 31:[60, 39] Operation: 13+26=39 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 31:[26, 47], Operations: ['62-36=26', '60-13=47'] Exploring Operation: 47-26=21, Resulting Numbers: [21] 21,31 unequal: No Solution Exploring Operation: 26+47=73, Resulting Numbers: [73] 73,31 unequal: No Solution Exploring Operation: 26*47=1222, Resulting Numbers: [1222] 1222,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 31:[13, 34], Operations: ['62-36=26', '60-26=34'] Exploring Operation: 34-13=21, Resulting Numbers: [21] 21,31 unequal: No Solution Exploring Operation: 13+34=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 13*34=442, Resulting Numbers: [442] 442,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 31:[60, 39], Operations: ['62-36=26', '13+26=39'] Exploring Operation: 60*39=2340, Resulting Numbers: [2340] 2340,31 unequal: No Solution Exploring Operation: 60-39=21, Resulting Numbers: [21] 21,31 unequal: No Solution Exploring Operation: 60+39=99, Resulting Numbers: [99] 99,31 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: 31:[13, 36, 2], Operations: ['62-60=2'] Exploring Operation: 13+2=15, Resulting Numbers: [36, 15] Generated Node #0,2,0: 31:[36, 15] Operation: 13+2=15 Exploring Operation: 36-2=34, Resulting Numbers: [13, 34] Generated Node #0,2,1: 31:[13, 34] Operation: 36-2=34 Exploring Operation: 13*2=26, Resulting Numbers: [36, 26] Generated Node #0,2,2: 31:[36, 26] Operation: 13*2=26 Moving to Node #0,2,2 Current State: 31:[36, 26], Operations: ['62-60=2', '13*2=26'] Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,31 unequal: No Solution Exploring Operation: 36*26=936, Resulting Numbers: [936] 936,31 unequal: No Solution Exploring Operation: 36+26=62, Resulting Numbers: [62] 62,31 unequal: No Solution Moving to Node #0,2,0 Current State: 31:[36, 15], Operations: ['62-60=2', '13+2=15'] Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,31 unequal: No Solution Exploring Operation: 36*15=540, Resulting Numbers: [540] 540,31 unequal: No Solution Exploring Operation: 36+15=51, Resulting Numbers: [51] 51,31 unequal: No Solution Moving to Node #0,2,1 Current State: 31:[13, 34], Operations: ['62-60=2', '36-2=34'] Exploring Operation: 13*34=442, Resulting Numbers: [442] 442,31 unequal: No Solution Exploring Operation: 34-13=21, Resulting Numbers: [21] 21,31 unequal: No Solution Exploring Operation: 13+34=47, Resulting Numbers: [47] 47,31 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 69, 16, 93, 3 ]
100
[ "69/3=23", "93-16=77", "23+77=100" ]
Current State: 100:[69, 16, 93, 3], Operations: [] Exploring Operation: 69/3=23, Resulting Numbers: [16, 93, 23] Generated Node #2: [16, 93, 23] from Operation: 69/3=23 Current State: 100:[16, 93, 23], Operations: ['69/3=23'] Exploring Operation: 93-16=77, Resulting Numbers: [23, 77] Generated Node #3: [23, 77] from Operation: 93-16=77 Current State: 100:[23, 77], Operations: ['69/3=23', '93-16=77'] Exploring Operation: 23+77=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[69, 16, 93, 3], Operations: [] Exploring Operation: 93-69=24, Resulting Numbers: [16, 3, 24] Generated Node #0,0: 100:[16, 3, 24] Operation: 93-69=24 Moving to Node #0,0 Current State: 100:[16, 3, 24], Operations: ['93-69=24'] Exploring Operation: 16+3=19, Resulting Numbers: [24, 19] Generated Node #0,0,0: 100:[24, 19] Operation: 16+3=19 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 100:[24, 19], Operations: ['93-69=24', '16+3=19'] Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,100 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
[ 84, 42, 90, 54 ]
67
[ "84*42=3528", "90+3528=3618", "3618/54=67" ]
Current State: 67:[84, 42, 90, 54], Operations: [] Exploring Operation: 84*42=3528, Resulting Numbers: [90, 54, 3528] Generated Node #2: [90, 54, 3528] from Operation: 84*42=3528 Current State: 67:[90, 54, 3528], Operations: ['84*42=3528'] Exploring Operation: 90+3528=3618, Resulting Numbers: [54, 3618] Generated Node #3: [54, 3618] from Operation: 90+3528=3618 Current State: 67:[54, 3618], Operations: ['84*42=3528', '90+3528=3618'] Exploring Operation: 3618/54=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[84, 42, 90, 54], Operations: [] Exploring Operation: 42+54=96, Resulting Numbers: [84, 90, 96] Generated Node #0,0: 67:[84, 90, 96] Operation: 42+54=96 Exploring Operation: 84-42=42, Resulting Numbers: [90, 54, 42] Generated Node #0,1: 67:[90, 54, 42] Operation: 84-42=42 Exploring Operation: 90-42=48, Resulting Numbers: [84, 54, 48] Generated Node #0,2: 67:[84, 54, 48] Operation: 90-42=48 Exploring Operation: 90-54=36, Resulting Numbers: [84, 42, 36] Generated Node #0,3: 67:[84, 42, 36] Operation: 90-54=36 Exploring Operation: 84-54=30, Resulting Numbers: [42, 90, 30] Generated Node #0,4: 67:[42, 90, 30] Operation: 84-54=30 Moving to Node #0,2 Current State: 67:[84, 54, 48], Operations: ['90-42=48'] Exploring Operation: 84+48=132, Resulting Numbers: [54, 132] Generated Node #0,2,0: 67:[54, 132] Operation: 84+48=132 Exploring Operation: 54-48=6, Resulting Numbers: [84, 6] Generated Node #0,2,1: 67:[84, 6] Operation: 54-48=6 Exploring Operation: 84-54=30, Resulting Numbers: [48, 30] Generated Node #0,2,2: 67:[48, 30] Operation: 84-54=30 Exploring Operation: 84-48=36, Resulting Numbers: [54, 36] Generated Node #0,2,3: 67:[54, 36] Operation: 84-48=36 Exploring Operation: 54+48=102, Resulting Numbers: [84, 102] Generated Node #0,2,4: 67:[84, 102] Operation: 54+48=102 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 67:[54, 36], Operations: ['90-42=48', '84-48=36'] Exploring Operation: 54*36=1944, Resulting Numbers: [1944] 1944,67 unequal: No Solution Exploring Operation: 54+36=90, Resulting Numbers: [90] 90,67 unequal: No Solution Exploring Operation: 54-36=18, Resulting Numbers: [18] 18,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 67:[84, 102], Operations: ['90-42=48', '54+48=102'] Exploring Operation: 84+102=186, Resulting Numbers: [186] 186,67 unequal: No Solution Exploring Operation: 102-84=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 84*102=8568, Resulting Numbers: [8568] 8568,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 67:[48, 30], Operations: ['90-42=48', '84-54=30'] Exploring Operation: 48+30=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 48*30=1440, Resulting Numbers: [1440] 1440,67 unequal: No Solution Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[54, 132], Operations: ['90-42=48', '84+48=132'] Exploring Operation: 54*132=7128, Resulting Numbers: [7128] 7128,67 unequal: No Solution Exploring Operation: 54+132=186, Resulting Numbers: [186] 186,67 unequal: No Solution Exploring Operation: 132-54=78, Resulting Numbers: [78] 78,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 67:[84, 6], Operations: ['90-42=48', '54-48=6'] Exploring Operation: 84-6=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 84*6=504, Resulting Numbers: [504] 504,67 unequal: No Solution Exploring Operation: 84+6=90, Resulting Numbers: [90] 90,67 unequal: No Solution Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 67:[90, 54, 42], Operations: ['84-42=42'] Exploring Operation: 90+42=132, Resulting Numbers: [54, 132] Generated Node #0,1,0: 67:[54, 132] Operation: 90+42=132 Exploring Operation: 54-42=12, Resulting Numbers: [90, 12] Generated Node #0,1,1: 67:[90, 12] Operation: 54-42=12 Exploring Operation: 90-54=36, Resulting Numbers: [42, 36] Generated Node #0,1,2: 67:[42, 36] Operation: 90-54=36 Exploring Operation: 90-42=48, Resulting Numbers: [54, 48] Generated Node #0,1,3: 67:[54, 48] Operation: 90-42=48 Exploring Operation: 54+42=96, Resulting Numbers: [90, 96] Generated Node #0,1,4: 67:[90, 96] Operation: 54+42=96 Moving to Node #0,0 Current State: 67:[84, 90, 96], Operations: ['42+54=96'] Exploring Operation: 96-84=12, Resulting Numbers: [90, 12] Generated Node #0,0,0: 67:[90, 12] Operation: 96-84=12 Exploring Operation: 84+90=174, Resulting Numbers: [96, 174] Generated Node #0,0,1: 67:[96, 174] Operation: 84+90=174 Exploring Operation: 96-90=6, Resulting Numbers: [84, 6] Generated Node #0,0,2: 67:[84, 6] Operation: 96-90=6 Exploring Operation: 84+96=180, Resulting Numbers: [90, 180] Generated Node #0,0,3: 67:[90, 180] Operation: 84+96=180 Exploring Operation: 90-84=6, Resulting Numbers: [96, 6] Generated Node #0,0,4: 67:[96, 6] Operation: 90-84=6 Moving to Node #0,3 Current State: 67:[84, 42, 36], Operations: ['90-54=36'] Exploring Operation: 84-42=42, Resulting Numbers: [36, 42] Generated Node #0,3,0: 67:[36, 42] Operation: 84-42=42 Exploring Operation: 42+36=78, Resulting Numbers: [84, 78] Generated Node #0,3,1: 67:[84, 78] Operation: 42+36=78 Exploring Operation: 42-36=6, Resulting Numbers: [84, 6] Generated Node #0,3,2: 67:[84, 6] Operation: 42-36=6 Exploring Operation: 84+36=120, Resulting Numbers: [42, 120] Generated Node #0,3,3: 67:[42, 120] Operation: 84+36=120 Exploring Operation: 84-36=48, Resulting Numbers: [42, 48] Generated Node #0,3,4: 67:[42, 48] Operation: 84-36=48 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 67:[84, 78], Operations: ['90-54=36', '42+36=78'] Exploring Operation: 84*78=6552, Resulting Numbers: [6552] 6552,67 unequal: No Solution Exploring Operation: 84+78=162, Resulting Numbers: [162] 162,67 unequal: No Solution Exploring Operation: 84-78=6, Resulting Numbers: [6] 6,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 67:[42, 48], Operations: ['90-54=36', '84-36=48'] Exploring Operation: 42*48=2016, Resulting Numbers: [2016] 2016,67 unequal: No Solution Exploring Operation: 42+48=90, Resulting Numbers: [90] 90,67 unequal: No Solution Exploring Operation: 48-42=6, Resulting Numbers: [6] 6,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 67:[36, 42], Operations: ['90-54=36', '84-42=42'] Exploring Operation: 36+42=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 42-36=6, Resulting Numbers: [6] 6,67 unequal: No Solution Exploring Operation: 36*42=1512, Resulting Numbers: [1512] 1512,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 67:[84, 6], Operations: ['90-54=36', '42-36=6'] Exploring Operation: 84-6=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 84+6=90, Resulting Numbers: [90] 90,67 unequal: No Solution Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 84*6=504, Resulting Numbers: [504] 504,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 67:[42, 120], Operations: ['90-54=36', '84+36=120'] Exploring Operation: 120-42=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 42+120=162, Resulting Numbers: [162] 162,67 unequal: No Solution Exploring Operation: 42*120=5040, Resulting Numbers: [5040] 5040,67 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: 67:[42, 90, 30], Operations: ['84-54=30'] Exploring Operation: 42-30=12, Resulting Numbers: [90, 12] Generated Node #0,4,0: 67:[90, 12] Operation: 42-30=12 Exploring Operation: 90-42=48, Resulting Numbers: [30, 48] Generated Node #0,4,1: 67:[30, 48] Operation: 90-42=48 Exploring Operation: 90-30=60, Resulting Numbers: [42, 60] Generated Node #0,4,2: 67:[42, 60] Operation: 90-30=60 Exploring Operation: 90+30=120, Resulting Numbers: [42, 120] Generated Node #0,4,3: 67:[42, 120] Operation: 90+30=120 Exploring Operation: 42+30=72, Resulting Numbers: [90, 72] Generated Node #0,4,4: 67:[90, 72] Operation: 42+30=72 Moving to Node #0,4,4 Current State: 67:[90, 72], Operations: ['84-54=30', '42+30=72'] Exploring Operation: 90*72=6480, Resulting Numbers: [6480] 6480,67 unequal: No Solution Exploring Operation: 90-72=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 90+72=162, Resulting Numbers: [162] 162,67 unequal: No Solution Moving to Node #0,4,2 Current State: 67:[42, 60], Operations: ['84-54=30', '90-30=60'] Exploring Operation: 42*60=2520, Resulting Numbers: [2520] 2520,67 unequal: No Solution Exploring Operation: 42+60=102, Resulting Numbers: [102] 102,67 unequal: No Solution Exploring Operation: 60-42=18, Resulting Numbers: [18] 18,67 unequal: No Solution Moving to Node #0,1,3 Current State: 67:[54, 48], Operations: ['84-42=42', '90-42=48'] Exploring Operation: 54-48=6, Resulting Numbers: [6] 6,67 unequal: No Solution Exploring Operation: 54*48=2592, Resulting Numbers: [2592] 2592,67 unequal: No Solution Exploring Operation: 54+48=102, Resulting Numbers: [102] 102,67 unequal: No Solution Moving to Node #0,1,4 Current State: 67:[90, 96], Operations: ['84-42=42', '54+42=96'] Exploring Operation: 90+96=186, Resulting Numbers: [186] 186,67 unequal: No Solution Exploring Operation: 90*96=8640, Resulting Numbers: [8640] 8640,67 unequal: No Solution Exploring Operation: 96-90=6, Resulting Numbers: [6] 6,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[42, 36], Operations: ['84-42=42', '90-54=36'] Exploring Operation: 42*36=1512, Resulting Numbers: [1512] 1512,67 unequal: No Solution Exploring Operation: 42-36=6, Resulting Numbers: [6] 6,67 unequal: No Solution Exploring Operation: 42+36=78, Resulting Numbers: [78] 78,67 unequal: No Solution Moving to Node #0,4,1 Current State: 67:[30, 48], Operations: ['84-54=30', '90-42=48'] Exploring Operation: 30*48=1440, Resulting Numbers: [1440] 1440,67 unequal: No Solution Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 30+48=78, Resulting Numbers: [78] 78,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[84, 6], Operations: ['42+54=96', '96-90=6'] Exploring Operation: 84+6=90, Resulting Numbers: [90] 90,67 unequal: No Solution Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 84-6=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 84*6=504, Resulting Numbers: [504] 504,67 unequal: No Solution Moving to Node #0,4,3 Current State: 67:[42, 120], Operations: ['84-54=30', '90+30=120'] Exploring Operation: 42+120=162, Resulting Numbers: [162] 162,67 unequal: No Solution Exploring Operation: 42*120=5040, Resulting Numbers: [5040] 5040,67 unequal: No Solution Exploring Operation: 120-42=78, Resulting Numbers: [78] 78,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[90, 12], Operations: ['42+54=96', '96-84=12'] Exploring Operation: 90*12=1080, Resulting Numbers: [1080] 1080,67 unequal: No Solution Exploring Operation: 90+12=102, Resulting Numbers: [102] 102,67 unequal: No Solution Exploring Operation: 90-12=78, Resulting Numbers: [78] 78,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[90, 12], Operations: ['84-42=42', '54-42=12'] Exploring Operation: 90-12=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 90+12=102, Resulting Numbers: [102] 102,67 unequal: No Solution Exploring Operation: 90*12=1080, Resulting Numbers: [1080] 1080,67 unequal: No Solution Moving to Node #0,4,0 Current State: 67:[90, 12], Operations: ['84-54=30', '42-30=12'] Exploring Operation: 90-12=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 90+12=102, Resulting Numbers: [102] 102,67 unequal: No Solution Exploring Operation: 90*12=1080, Resulting Numbers: [1080] 1080,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[54, 132], Operations: ['84-42=42', '90+42=132'] Exploring Operation: 54+132=186, Resulting Numbers: [186] 186,67 unequal: No Solution Exploring Operation: 54*132=7128, Resulting Numbers: [7128] 7128,67 unequal: No Solution Exploring Operation: 132-54=78, Resulting Numbers: [78] 78,67 unequal: No Solution Moving to Node #0,0,4 Current State: 67:[96, 6], Operations: ['42+54=96', '90-84=6'] Exploring Operation: 96-6=90, Resulting Numbers: [90] 90,67 unequal: No Solution Exploring Operation: 96*6=576, Resulting Numbers: [576] 576,67 unequal: No Solution Exploring Operation: 96+6=102, Resulting Numbers: [102] 102,67 unequal: No Solution Exploring Operation: 96/6=16, Resulting Numbers: [16] 16,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[96, 174], Operations: ['42+54=96', '84+90=174'] Exploring Operation: 96*174=16704, Resulting Numbers: [16704] 16704,67 unequal: No Solution Exploring Operation: 96+174=270, Resulting Numbers: [270] 270,67 unequal: No Solution Exploring Operation: 174-96=78, Resulting Numbers: [78] 78,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[90, 180], Operations: ['42+54=96', '84+96=180'] Exploring Operation: 180/90=2, Resulting Numbers: [2] 2,67 unequal: No Solution Exploring Operation: 90*180=16200, Resulting Numbers: [16200] 16200,67 unequal: No Solution Exploring Operation: 180-90=90, Resulting Numbers: [90] 90,67 unequal: No Solution Exploring Operation: 90+180=270, Resulting Numbers: [270] 270,67 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 3, 56, 8, 93 ]
87
[ "56+8=64", "93-64=29", "3*29=87" ]
Current State: 87:[3, 56, 8, 93], Operations: [] Exploring Operation: 56+8=64, Resulting Numbers: [3, 93, 64] Generated Node #2: [3, 93, 64] from Operation: 56+8=64 Current State: 87:[3, 93, 64], Operations: ['56+8=64'] Exploring Operation: 93-64=29, Resulting Numbers: [3, 29] Generated Node #3: [3, 29] from Operation: 93-64=29 Current State: 87:[3, 29], Operations: ['56+8=64', '93-64=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[3, 56, 8, 93], Operations: [] Exploring Operation: 56/8=7, Resulting Numbers: [3, 93, 7] Generated Node #0,0: 87:[3, 93, 7] Operation: 56/8=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[3, 93, 7], Operations: ['56/8=7'] Exploring Operation: 93-7=86, Resulting Numbers: [3, 86] Generated Node #0,0,0: 87:[3, 86] Operation: 93-7=86 Moving to Node #0,0,0 Current State: 87:[3, 86], Operations: ['56/8=7', '93-7=86'] Exploring Operation: 3+86=89, Resulting Numbers: [89] 89,87 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
[ 58, 67, 31, 59 ]
98
[ "59-58=1", "67+31=98", "1*98=98" ]
Current State: 98:[58, 67, 31, 59], Operations: [] Exploring Operation: 59-58=1, Resulting Numbers: [67, 31, 1] Generated Node #2: [67, 31, 1] from Operation: 59-58=1 Current State: 98:[67, 31, 1], Operations: ['59-58=1'] Exploring Operation: 67+31=98, Resulting Numbers: [1, 98] Generated Node #3: [1, 98] from Operation: 67+31=98 Current State: 98:[1, 98], Operations: ['59-58=1', '67+31=98'] Exploring Operation: 1*98=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[58, 67, 31, 59], Operations: [] Exploring Operation: 67+31=98, Resulting Numbers: [58, 59, 98] Generated Node #0,0: 98:[58, 59, 98] Operation: 67+31=98 Moving to Node #0,0 Current State: 98:[58, 59, 98], Operations: ['67+31=98'] Exploring Operation: 59-58=1, Resulting Numbers: [98, 1] Generated Node #0,0,0: 98:[98, 1] Operation: 59-58=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[98, 1], Operations: ['67+31=98', '59-58=1'] Exploring Operation: 98*1=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[58, 67, 31, 59], Operations: [] Exploring Operation: 67+31=98, Resulting Numbers: [58, 59, 98] Generated Node #0,0: 98:[58, 59, 98] Operation: 67+31=98 Moving to Node #0,0 Current State: 98:[58, 59, 98], Operations: ['67+31=98'] Exploring Operation: 59-58=1, Resulting Numbers: [98, 1] Generated Node #0,0,0: 98:[98, 1] Operation: 59-58=1 Moving to Node #0,0,0 Current State: 98:[98, 1], Operations: ['67+31=98', '59-58=1'] Exploring Operation: 98*1=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 36, 95, 92, 87 ]
85
[ "92-87=5", "36*5=180", "180-95=85" ]
Current State: 85:[36, 95, 92, 87], Operations: [] Exploring Operation: 92-87=5, Resulting Numbers: [36, 95, 5] Generated Node #2: [36, 95, 5] from Operation: 92-87=5 Current State: 85:[36, 95, 5], Operations: ['92-87=5'] Exploring Operation: 36*5=180, Resulting Numbers: [95, 180] Generated Node #3: [95, 180] from Operation: 36*5=180 Current State: 85:[95, 180], Operations: ['92-87=5', '36*5=180'] Exploring Operation: 180-95=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[36, 95, 92, 87], Operations: [] Exploring Operation: 95-92=3, Resulting Numbers: [36, 87, 3] Generated Node #0,0: 85:[36, 87, 3] Operation: 95-92=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[36, 87, 3], Operations: ['95-92=3'] Exploring Operation: 36/3=12, Resulting Numbers: [87, 12] Generated Node #0,0,0: 85:[87, 12] Operation: 36/3=12 Moving to Node #0,0,0 Current State: 85:[87, 12], Operations: ['95-92=3', '36/3=12'] Exploring Operation: 87-12=75, Resulting Numbers: [75] 75,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 89, 52, 82, 68 ]
23
[ "89-52=37", "82-68=14", "37-14=23" ]
Current State: 23:[89, 52, 82, 68], Operations: [] Exploring Operation: 89-52=37, Resulting Numbers: [82, 68, 37] Generated Node #2: [82, 68, 37] from Operation: 89-52=37 Current State: 23:[82, 68, 37], Operations: ['89-52=37'] Exploring Operation: 82-68=14, Resulting Numbers: [37, 14] Generated Node #3: [37, 14] from Operation: 82-68=14 Current State: 23:[37, 14], Operations: ['89-52=37', '82-68=14'] Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[89, 52, 82, 68], Operations: [] Exploring Operation: 89-52=37, Resulting Numbers: [82, 68, 37] Generated Node #0,0: 23:[82, 68, 37] Operation: 89-52=37 Exploring Operation: 82-68=14, Resulting Numbers: [89, 52, 14] Generated Node #0,1: 23:[89, 52, 14] Operation: 82-68=14 Exploring Operation: 82-52=30, Resulting Numbers: [89, 68, 30] Generated Node #0,2: 23:[89, 68, 30] Operation: 82-52=30 Exploring Operation: 89-82=7, Resulting Numbers: [52, 68, 7] Generated Node #0,3: 23:[52, 68, 7] Operation: 89-82=7 Exploring Operation: 89-68=21, Resulting Numbers: [52, 82, 21] Generated Node #0,4: 23:[52, 82, 21] Operation: 89-68=21 Start Sub Search at level 1: Moving to Node #0,3 Current State: 23:[52, 68, 7], Operations: ['89-82=7'] Exploring Operation: 68+7=75, Resulting Numbers: [52, 75] Generated Node #0,3,0: 23:[52, 75] Operation: 68+7=75 Exploring Operation: 52-7=45, Resulting Numbers: [68, 45] Generated Node #0,3,1: 23:[68, 45] Operation: 52-7=45 Exploring Operation: 52+7=59, Resulting Numbers: [68, 59] Generated Node #0,3,2: 23:[68, 59] Operation: 52+7=59 Exploring Operation: 68-52=16, Resulting Numbers: [7, 16] Generated Node #0,3,3: 23:[7, 16] Operation: 68-52=16 Exploring Operation: 68-7=61, Resulting Numbers: [52, 61] Generated Node #0,3,4: 23:[52, 61] Operation: 68-7=61 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 23:[7, 16], Operations: ['89-82=7', '68-52=16'] Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[89, 52, 82, 68], Operations: [] Exploring Operation: 89-82=7, Resulting Numbers: [52, 68, 7] Generated Node #0,3: 23:[52, 68, 7] Operation: 89-82=7 Moving to Node #0,3 Current State: 23:[52, 68, 7], Operations: ['89-82=7'] Exploring Operation: 68-52=16, Resulting Numbers: [7, 16] Generated Node #0,3,3: 23:[7, 16] Operation: 68-52=16 Moving to Node #0,3,3 Current State: 23:[7, 16], Operations: ['89-82=7', '68-52=16'] Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 68, 16, 10, 80 ]
40
[ "68+16=84", "84-80=4", "10*4=40" ]
Current State: 40:[68, 16, 10, 80], Operations: [] Exploring Operation: 68+16=84, Resulting Numbers: [10, 80, 84] Generated Node #2: [10, 80, 84] from Operation: 68+16=84 Current State: 40:[10, 80, 84], Operations: ['68+16=84'] Exploring Operation: 84-80=4, Resulting Numbers: [10, 4] Generated Node #3: [10, 4] from Operation: 84-80=4 Current State: 40:[10, 4], Operations: ['68+16=84', '84-80=4'] Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[68, 16, 10, 80], Operations: [] Exploring Operation: 80-68=12, Resulting Numbers: [16, 10, 12] Generated Node #0,0: 40:[16, 10, 12] Operation: 80-68=12 Exploring Operation: 80/16=5, Resulting Numbers: [68, 10, 5] Generated Node #0,1: 40:[68, 10, 5] Operation: 80/16=5 Exploring Operation: 68-16=52, Resulting Numbers: [10, 80, 52] Generated Node #0,2: 40:[10, 80, 52] Operation: 68-16=52 Exploring Operation: 80/10=8, Resulting Numbers: [68, 16, 8] Generated Node #0,3: 40:[68, 16, 8] Operation: 80/10=8 Moving to Node #0,0 Current State: 40:[16, 10, 12], Operations: ['80-68=12'] Exploring Operation: 10+12=22, Resulting Numbers: [16, 22] Generated Node #0,0,0: 40:[16, 22] Operation: 10+12=22 Exploring Operation: 16-12=4, Resulting Numbers: [10, 4] Generated Node #0,0,1: 40:[10, 4] Operation: 16-12=4 Exploring Operation: 16-10=6, Resulting Numbers: [12, 6] Generated Node #0,0,2: 40:[12, 6] Operation: 16-10=6 Exploring Operation: 12-10=2, Resulting Numbers: [16, 2] Generated Node #0,0,3: 40:[16, 2] Operation: 12-10=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 40:[10, 4], Operations: ['80-68=12', '16-12=4'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,40 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[68, 16, 10, 80], Operations: [] Exploring Operation: 80-68=12, Resulting Numbers: [16, 10, 12] Generated Node #0,0: 40:[16, 10, 12] Operation: 80-68=12 Moving to Node #0,0 Current State: 40:[16, 10, 12], Operations: ['80-68=12'] Exploring Operation: 16-12=4, Resulting Numbers: [10, 4] Generated Node #0,0,1: 40:[10, 4] Operation: 16-12=4 Moving to Node #0,0,1 Current State: 40:[10, 4], Operations: ['80-68=12', '16-12=4'] Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 82, 38, 2, 2 ]
77
[ "82/2=41", "38-2=36", "41+36=77" ]
Current State: 77:[82, 38, 2, 2], Operations: [] Exploring Operation: 82/2=41, Resulting Numbers: [38, 41] Generated Node #2: [38, 41] from Operation: 82/2=41 Current State: 77:[38, 41], Operations: ['82/2=41'] Exploring Operation: 38-2=36, Resulting Numbers: [41, 36] Generated Node #3: [41, 36] from Operation: 38-2=36 Current State: 77:[41, 36], Operations: ['82/2=41', '38-2=36'] Exploring Operation: 41+36=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[82, 38, 2, 2], Operations: [] Exploring Operation: 38*2=76, Resulting Numbers: [82, 2, 76] Generated Node #0,0: 77:[82, 2, 76] Operation: 38*2=76 Exploring Operation: 38*2=76, Resulting Numbers: [82, 2, 76] Generated Node #0,1: 77:[82, 2, 76] Operation: 38*2=76 Moving to Node #0,0 Current State: 77:[82, 2, 76], Operations: ['38*2=76'] Exploring Operation: 82-76=6, Resulting Numbers: [2, 6] Generated Node #0,0,0: 77:[2, 6] Operation: 82-76=6 Exploring Operation: 82-2=80, Resulting Numbers: [76, 80] Generated Node #0,0,1: 77:[76, 80] Operation: 82-2=80 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 77:[76, 80], Operations: ['38*2=76', '82-2=80'] Exploring Operation: 76+80=156, Resulting Numbers: [156] 156,77 unequal: No Solution Exploring Operation: 80-76=4, Resulting Numbers: [4] 4,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[2, 6], Operations: ['38*2=76', '82-76=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,77 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: 77:[82, 2, 76], Operations: ['38*2=76'] Exploring Operation: 82-76=6, Resulting Numbers: [2, 6] Generated Node #0,1,0: 77:[2, 6] Operation: 82-76=6 Exploring Operation: 82-2=80, Resulting Numbers: [76, 80] Generated Node #0,1,1: 77:[76, 80] Operation: 82-2=80 Moving to Node #0,1,1 Current State: 77:[76, 80], Operations: ['38*2=76', '82-2=80'] Exploring Operation: 76+80=156, Resulting Numbers: [156] 156,77 unequal: No Solution Exploring Operation: 80-76=4, Resulting Numbers: [4] 4,77 unequal: No Solution Moving to Node #0,1,0 Current State: 77:[2, 6], Operations: ['38*2=76', '82-76=6'] Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,77 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,77 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 81, 34, 19, 61 ]
33
[ "81-34=47", "19+61=80", "80-47=33" ]
Current State: 33:[81, 34, 19, 61], Operations: [] Exploring Operation: 81-34=47, Resulting Numbers: [19, 61, 47] Generated Node #2: [19, 61, 47] from Operation: 81-34=47 Current State: 33:[19, 61, 47], Operations: ['81-34=47'] Exploring Operation: 19+61=80, Resulting Numbers: [47, 80] Generated Node #3: [47, 80] from Operation: 19+61=80 Current State: 33:[47, 80], Operations: ['81-34=47', '19+61=80'] Exploring Operation: 80-47=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[81, 34, 19, 61], Operations: [] Exploring Operation: 81-61=20, Resulting Numbers: [34, 19, 20] Generated Node #0,0: 33:[34, 19, 20] Operation: 81-61=20 Exploring Operation: 81-34=47, Resulting Numbers: [19, 61, 47] Generated Node #0,1: 33:[19, 61, 47] Operation: 81-34=47 Exploring Operation: 81-19=62, Resulting Numbers: [34, 61, 62] Generated Node #0,2: 33:[34, 61, 62] Operation: 81-19=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[34, 19, 20], Operations: ['81-61=20'] Exploring Operation: 34-20=14, Resulting Numbers: [19, 14] Generated Node #0,0,0: 33:[19, 14] Operation: 34-20=14 Exploring Operation: 20-19=1, Resulting Numbers: [34, 1] Generated Node #0,0,1: 33:[34, 1] Operation: 20-19=1 Exploring Operation: 19+20=39, Resulting Numbers: [34, 39] Generated Node #0,0,2: 33:[34, 39] Operation: 19+20=39 Moving to Node #0,0,1 Current State: 33:[34, 1], Operations: ['81-61=20', '20-19=1'] Exploring Operation: 34*1=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[81, 34, 19, 61], Operations: [] Exploring Operation: 81-61=20, Resulting Numbers: [34, 19, 20] Generated Node #0,0: 33:[34, 19, 20] Operation: 81-61=20 Moving to Node #0,0 Current State: 33:[34, 19, 20], Operations: ['81-61=20'] Exploring Operation: 20-19=1, Resulting Numbers: [34, 1] Generated Node #0,0,1: 33:[34, 1] Operation: 20-19=1 Moving to Node #0,0,1 Current State: 33:[34, 1], Operations: ['81-61=20', '20-19=1'] Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 1, 74, 9, 5 ]
61
[ "1+74=75", "9+5=14", "75-14=61" ]
Current State: 61:[1, 74, 9, 5], Operations: [] Exploring Operation: 1+74=75, Resulting Numbers: [9, 5, 75] Generated Node #2: [9, 5, 75] from Operation: 1+74=75 Current State: 61:[9, 5, 75], Operations: ['1+74=75'] Exploring Operation: 9+5=14, Resulting Numbers: [75, 14] Generated Node #3: [75, 14] from Operation: 9+5=14 Current State: 61:[75, 14], Operations: ['1+74=75', '9+5=14'] Exploring Operation: 75-14=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[1, 74, 9, 5], Operations: [] Exploring Operation: 1+9=10, Resulting Numbers: [74, 5, 10] Generated Node #0,0: 61:[74, 5, 10] Operation: 1+9=10 Exploring Operation: 74-1=73, Resulting Numbers: [9, 5, 73] Generated Node #0,1: 61:[9, 5, 73] Operation: 74-1=73 Exploring Operation: 9*5=45, Resulting Numbers: [1, 74, 45] Generated Node #0,2: 61:[1, 74, 45] Operation: 9*5=45 Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[1, 74, 45], Operations: ['9*5=45'] Exploring Operation: 74-1=73, Resulting Numbers: [45, 73] Generated Node #0,2,0: 61:[45, 73] Operation: 74-1=73 Exploring Operation: 1*74=74, Resulting Numbers: [45, 74] Generated Node #0,2,1: 61:[45, 74] Operation: 1*74=74 Exploring Operation: 1+45=46, Resulting Numbers: [74, 46] Generated Node #0,2,2: 61:[74, 46] Operation: 1+45=46 Moving to Node #0,2,0 Current State: 61:[45, 73], Operations: ['9*5=45', '74-1=73'] Exploring Operation: 45*73=3285, Resulting Numbers: [3285] 3285,61 unequal: No Solution Exploring Operation: 73-45=28, Resulting Numbers: [28] 28,61 unequal: No Solution Exploring Operation: 45+73=118, Resulting Numbers: [118] 118,61 unequal: No Solution Moving to Node #0,2,2 Current State: 61:[74, 46], Operations: ['9*5=45', '1+45=46'] Exploring Operation: 74+46=120, Resulting Numbers: [120] 120,61 unequal: No Solution Exploring Operation: 74*46=3404, Resulting Numbers: [3404] 3404,61 unequal: No Solution Exploring Operation: 74-46=28, Resulting Numbers: [28] 28,61 unequal: No Solution Moving to Node #0,2,1 Current State: 61:[45, 74], Operations: ['9*5=45', '1*74=74'] Exploring Operation: 74-45=29, Resulting Numbers: [29] 29,61 unequal: No Solution Exploring Operation: 45*74=3330, Resulting Numbers: [3330] 3330,61 unequal: No Solution Exploring Operation: 45+74=119, Resulting Numbers: [119] 119,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[74, 5, 10], Operations: ['1+9=10'] Exploring Operation: 74-10=64, Resulting Numbers: [5, 64] Generated Node #0,0,0: 61:[5, 64] Operation: 74-10=64 Exploring Operation: 74-5=69, Resulting Numbers: [10, 69] Generated Node #0,0,1: 61:[10, 69] Operation: 74-5=69 Exploring Operation: 5*10=50, Resulting Numbers: [74, 50] Generated Node #0,0,2: 61:[74, 50] Operation: 5*10=50 Moving to Node #0,0,2 Current State: 61:[74, 50], Operations: ['1+9=10', '5*10=50'] Exploring Operation: 74*50=3700, Resulting Numbers: [3700] 3700,61 unequal: No Solution Exploring Operation: 74+50=124, Resulting Numbers: [124] 124,61 unequal: No Solution Exploring Operation: 74-50=24, Resulting Numbers: [24] 24,61 unequal: No Solution Moving to Node #0,0,0 Current State: 61:[5, 64], Operations: ['1+9=10', '74-10=64'] Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,61 unequal: No Solution Exploring Operation: 5+64=69, Resulting Numbers: [69] 69,61 unequal: No Solution Exploring Operation: 5*64=320, Resulting Numbers: [320] 320,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[10, 69], Operations: ['1+9=10', '74-5=69'] Exploring Operation: 10+69=79, Resulting Numbers: [79] 79,61 unequal: No Solution Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,61 unequal: No Solution Exploring Operation: 10*69=690, Resulting Numbers: [690] 690,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[9, 5, 73], Operations: ['74-1=73'] Exploring Operation: 9+5=14, Resulting Numbers: [73, 14] Generated Node #0,1,0: 61:[73, 14] Operation: 9+5=14 Exploring Operation: 9*5=45, Resulting Numbers: [73, 45] Generated Node #0,1,1: 61:[73, 45] Operation: 9*5=45 Exploring Operation: 73-9=64, Resulting Numbers: [5, 64] Generated Node #0,1,2: 61:[5, 64] Operation: 73-9=64 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 61:[73, 45], Operations: ['74-1=73', '9*5=45'] Exploring Operation: 73*45=3285, Resulting Numbers: [3285] 3285,61 unequal: No Solution Exploring Operation: 73-45=28, Resulting Numbers: [28] 28,61 unequal: No Solution Exploring Operation: 73+45=118, Resulting Numbers: [118] 118,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 61:[73, 14], Operations: ['74-1=73', '9+5=14'] Exploring Operation: 73-14=59, Resulting Numbers: [59] 59,61 unequal: No Solution Exploring Operation: 73*14=1022, Resulting Numbers: [1022] 1022,61 unequal: No Solution Exploring Operation: 73+14=87, Resulting Numbers: [87] 87,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 61:[5, 64], Operations: ['74-1=73', '73-9=64'] Exploring Operation: 5*64=320, Resulting Numbers: [320] 320,61 unequal: No Solution Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,61 unequal: No Solution Exploring Operation: 5+64=69, Resulting Numbers: [69] 69,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 48, 21, 43, 8 ]
24
[ "48-21=27", "43+8=51", "51-27=24" ]
Current State: 24:[48, 21, 43, 8], Operations: [] Exploring Operation: 48-21=27, Resulting Numbers: [43, 8, 27] Generated Node #2: [43, 8, 27] from Operation: 48-21=27 Current State: 24:[43, 8, 27], Operations: ['48-21=27'] Exploring Operation: 43+8=51, Resulting Numbers: [27, 51] Generated Node #3: [27, 51] from Operation: 43+8=51 Current State: 24:[27, 51], Operations: ['48-21=27', '43+8=51'] Exploring Operation: 51-27=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[48, 21, 43, 8], Operations: [] Exploring Operation: 48/8=6, Resulting Numbers: [21, 43, 6] Generated Node #0,0: 24:[21, 43, 6] Operation: 48/8=6 Exploring Operation: 48-21=27, Resulting Numbers: [43, 8, 27] Generated Node #0,1: 24:[43, 8, 27] Operation: 48-21=27 Exploring Operation: 48-8=40, Resulting Numbers: [21, 43, 40] Generated Node #0,2: 24:[21, 43, 40] Operation: 48-8=40 Exploring Operation: 48-43=5, Resulting Numbers: [21, 8, 5] Generated Node #0,3: 24:[21, 8, 5] Operation: 48-43=5 Exploring Operation: 43-21=22, Resulting Numbers: [48, 8, 22] Generated Node #0,4: 24:[48, 8, 22] Operation: 43-21=22 Start Sub Search at level 1: Moving to Node #0,3 Current State: 24:[21, 8, 5], Operations: ['48-43=5'] Exploring Operation: 8-5=3, Resulting Numbers: [21, 3] Generated Node #0,3,0: 24:[21, 3] Operation: 8-5=3 Exploring Operation: 21-5=16, Resulting Numbers: [8, 16] Generated Node #0,3,1: 24:[8, 16] Operation: 21-5=16 Exploring Operation: 8+5=13, Resulting Numbers: [21, 13] Generated Node #0,3,2: 24:[21, 13] Operation: 8+5=13 Exploring Operation: 21+5=26, Resulting Numbers: [8, 26] Generated Node #0,3,3: 24:[8, 26] Operation: 21+5=26 Exploring Operation: 21-8=13, Resulting Numbers: [5, 13] Generated Node #0,3,4: 24:[5, 13] Operation: 21-8=13 Moving to Node #0,3,3 Current State: 24:[8, 26], Operations: ['48-43=5', '21+5=26'] Exploring Operation: 8*26=208, Resulting Numbers: [208] 208,24 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,24 unequal: No Solution Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,24 unequal: No Solution Moving to Node #0,3,4 Current State: 24:[5, 13], Operations: ['48-43=5', '21-8=13'] Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,24 unequal: No Solution Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,24 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,24 unequal: No Solution Moving to Node #0,3,0 Current State: 24:[21, 3], Operations: ['48-43=5', '8-5=3'] Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,24 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,24 unequal: No Solution Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,24 unequal: No Solution Exploring Operation: 21+3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[48, 21, 43, 8], Operations: [] Exploring Operation: 48-43=5, Resulting Numbers: [21, 8, 5] Generated Node #0,3: 24:[21, 8, 5] Operation: 48-43=5 Moving to Node #0,3 Current State: 24:[21, 8, 5], Operations: ['48-43=5'] Exploring Operation: 8-5=3, Resulting Numbers: [21, 3] Generated Node #0,3,0: 24:[21, 3] Operation: 8-5=3 Moving to Node #0,3,0 Current State: 24:[21, 3], Operations: ['48-43=5', '8-5=3'] Exploring Operation: 21+3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_5
sum_heuristic
[ 20, 21, 39, 37 ]
40
[ "21+39=60", "60/20=3", "37+3=40" ]
Current State: 40:[20, 21, 39, 37], Operations: [] Exploring Operation: 21+39=60, Resulting Numbers: [20, 37, 60] Generated Node #2: [20, 37, 60] from Operation: 21+39=60 Current State: 40:[20, 37, 60], Operations: ['21+39=60'] Exploring Operation: 60/20=3, Resulting Numbers: [37, 3] Generated Node #3: [37, 3] from Operation: 60/20=3 Current State: 40:[37, 3], Operations: ['21+39=60', '60/20=3'] Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[20, 21, 39, 37], Operations: [] Exploring Operation: 21-20=1, Resulting Numbers: [39, 37, 1] Generated Node #0,0: 40:[39, 37, 1] Operation: 21-20=1 Exploring Operation: 39-20=19, Resulting Numbers: [21, 37, 19] Generated Node #0,1: 40:[21, 37, 19] Operation: 39-20=19 Exploring Operation: 20+21=41, Resulting Numbers: [39, 37, 41] Generated Node #0,2: 40:[39, 37, 41] Operation: 20+21=41 Exploring Operation: 39-37=2, Resulting Numbers: [20, 21, 2] Generated Node #0,3: 40:[20, 21, 2] Operation: 39-37=2 Start Sub Search at level 1: Moving to Node #0,3 Current State: 40:[20, 21, 2], Operations: ['39-37=2'] Exploring Operation: 20+21=41, Resulting Numbers: [2, 41] Generated Node #0,3,0: 40:[2, 41] Operation: 20+21=41 Exploring Operation: 21-20=1, Resulting Numbers: [2, 1] Generated Node #0,3,1: 40:[2, 1] Operation: 21-20=1 Exploring Operation: 20/2=10, Resulting Numbers: [21, 10] Generated Node #0,3,2: 40:[21, 10] Operation: 20/2=10 Exploring Operation: 20*2=40, Resulting Numbers: [21, 40] Generated Node #0,3,3: 40:[21, 40] Operation: 20*2=40 Moving to Node #0,3,0 Current State: 40:[2, 41], Operations: ['39-37=2', '20+21=41'] Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,40 unequal: No Solution Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,40 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,40 unequal: No Solution Moving to Node #0,3,2 Current State: 40:[21, 10], Operations: ['39-37=2', '20/2=10'] Exploring Operation: 21+10=31, Resulting Numbers: [31] 31,40 unequal: No Solution Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,40 unequal: No Solution Exploring Operation: 21*10=210, Resulting Numbers: [210] 210,40 unequal: No Solution Moving to Node #0,3,1 Current State: 40:[2, 1], Operations: ['39-37=2', '21-20=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,40 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,40 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,40 unequal: No Solution Moving to Node #0,3,3 Current State: 40:[21, 40], Operations: ['39-37=2', '20*2=40'] Exploring Operation: 40-21=19, Resulting Numbers: [19] 19,40 unequal: No Solution Exploring Operation: 21+40=61, Resulting Numbers: [61] 61,40 unequal: No Solution Exploring Operation: 21*40=840, Resulting Numbers: [840] 840,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[39, 37, 1], Operations: ['21-20=1'] Exploring Operation: 39+1=40, Resulting Numbers: [37, 40] Generated Node #0,0,0: 40:[37, 40] Operation: 39+1=40 Exploring Operation: 37+1=38, Resulting Numbers: [39, 38] Generated Node #0,0,1: 40:[39, 38] Operation: 37+1=38 Exploring Operation: 39-37=2, Resulting Numbers: [1, 2] Generated Node #0,0,2: 40:[1, 2] Operation: 39-37=2 Exploring Operation: 39*1=39, Resulting Numbers: [37, 39] Generated Node #0,0,3: 40:[37, 39] Operation: 39*1=39 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 40:[1, 2], Operations: ['21-20=1', '39-37=2'] Exploring Operation: 1*2=2, Resulting Numbers: [2] 2,40 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,40 unequal: No Solution Exploring Operation: 1+2=3, Resulting Numbers: [3] 3,40 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:[37, 40], Operations: ['21-20=1', '39+1=40'] Exploring Operation: 37*40=1480, Resulting Numbers: [1480] 1480,40 unequal: No Solution Exploring Operation: 37+40=77, Resulting Numbers: [77] 77,40 unequal: No Solution Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,40 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:[39, 38], Operations: ['21-20=1', '37+1=38'] Exploring Operation: 39+38=77, Resulting Numbers: [77] 77,40 unequal: No Solution Exploring Operation: 39*38=1482, Resulting Numbers: [1482] 1482,40 unequal: No Solution Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,40 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 #0,0,3 Current State: 40:[37, 39], Operations: ['21-20=1', '39*1=39'] Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,40 unequal: No Solution Exploring Operation: 37*39=1443, Resulting Numbers: [1443] 1443,40 unequal: No Solution Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,40 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:[21, 37, 19], Operations: ['39-20=19'] Exploring Operation: 21-19=2, Resulting Numbers: [37, 2] Generated Node #0,1,0: 40:[37, 2] Operation: 21-19=2 Exploring Operation: 21+19=40, Resulting Numbers: [37, 40] Generated Node #0,1,1: 40:[37, 40] Operation: 21+19=40 Exploring Operation: 37-19=18, Resulting Numbers: [21, 18] Generated Node #0,1,2: 40:[21, 18] Operation: 37-19=18 Exploring Operation: 37-21=16, Resulting Numbers: [19, 16] Generated Node #0,1,3: 40:[19, 16] Operation: 37-21=16 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 40:[37, 2], Operations: ['39-20=19', '21-19=2'] Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,40 unequal: No Solution Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,40 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,40 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 #0,1,1 Current State: 40:[37, 40], Operations: ['39-20=19', '21+19=40'] Exploring Operation: 37+40=77, Resulting Numbers: [77] 77,40 unequal: No Solution Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 37*40=1480, Resulting Numbers: [1480] 1480,40 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 #0,1,2 Current State: 40:[21, 18], Operations: ['39-20=19', '37-19=18'] Exploring Operation: 21*18=378, Resulting Numbers: [378] 378,40 unequal: No Solution Exploring Operation: 21+18=39, Resulting Numbers: [39] 39,40 unequal: No Solution Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,40 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 #0,1,3 Current State: 40:[19, 16], Operations: ['39-20=19', '37-21=16'] Exploring Operation: 19*16=304, Resulting Numbers: [304] 304,40 unequal: No Solution Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 19+16=35, Resulting Numbers: [35] 35,40 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 #0,2 Current State: 40:[39, 37, 41], Operations: ['20+21=41'] Exploring Operation: 39+37=76, Resulting Numbers: [41, 76] Generated Node #0,2,0: 40:[41, 76] Operation: 39+37=76 Exploring Operation: 41-39=2, Resulting Numbers: [37, 2] Generated Node #0,2,1: 40:[37, 2] Operation: 41-39=2 Exploring Operation: 39-37=2, Resulting Numbers: [41, 2] Generated Node #0,2,2: 40:[41, 2] Operation: 39-37=2 Exploring Operation: 41-37=4, Resulting Numbers: [39, 4] Generated Node #0,2,3: 40:[39, 4] Operation: 41-37=4 Moving to Node #0,2,2 Current State: 40:[41, 2], Operations: ['20+21=41', '39-37=2'] Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,40 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,40 unequal: No Solution Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,40 unequal: No Solution Moving to Node #0,2,3 Current State: 40:[39, 4], Operations: ['20+21=41', '41-37=4'] Exploring Operation: 39+4=43, Resulting Numbers: [43] 43,40 unequal: No Solution Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,40 unequal: No Solution Exploring Operation: 39*4=156, Resulting Numbers: [156] 156,40 unequal: No Solution Moving to Node #0,2,1 Current State: 40:[37, 2], Operations: ['20+21=41', '41-39=2'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,40 unequal: No Solution Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,40 unequal: No Solution Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,40 unequal: No Solution Moving to Node #0,2,0 Current State: 40:[41, 76], Operations: ['20+21=41', '39+37=76'] Exploring Operation: 41*76=3116, Resulting Numbers: [3116] 3116,40 unequal: No Solution Exploring Operation: 76-41=35, Resulting Numbers: [35] 35,40 unequal: No Solution Exploring Operation: 41+76=117, Resulting Numbers: [117] 117,40 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
[ 78, 45, 25, 2 ]
73
[ "78+45=123", "25*2=50", "123-50=73" ]
Current State: 73:[78, 45, 25, 2], Operations: [] Exploring Operation: 78+45=123, Resulting Numbers: [25, 2, 123] Generated Node #2: [25, 2, 123] from Operation: 78+45=123 Current State: 73:[25, 2, 123], Operations: ['78+45=123'] Exploring Operation: 25*2=50, Resulting Numbers: [123, 50] Generated Node #3: [123, 50] from Operation: 25*2=50 Current State: 73:[123, 50], Operations: ['78+45=123', '25*2=50'] Exploring Operation: 123-50=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[78, 45, 25, 2], Operations: [] Exploring Operation: 45+2=47, Resulting Numbers: [78, 25, 47] Generated Node #0,0: 73:[78, 25, 47] Operation: 45+2=47 Exploring Operation: 78-2=76, Resulting Numbers: [45, 25, 76] Generated Node #0,1: 73:[45, 25, 76] Operation: 78-2=76 Exploring Operation: 25*2=50, Resulting Numbers: [78, 45, 50] Generated Node #0,2: 73:[78, 45, 50] Operation: 25*2=50 Exploring Operation: 45*2=90, Resulting Numbers: [78, 25, 90] Generated Node #0,3: 73:[78, 25, 90] Operation: 45*2=90 Exploring Operation: 45+25=70, Resulting Numbers: [78, 2, 70] Generated Node #0,4: 73:[78, 2, 70] Operation: 45+25=70 Moving to Node #0,2 Current State: 73:[78, 45, 50], Operations: ['25*2=50'] Exploring Operation: 78-45=33, Resulting Numbers: [50, 33] Generated Node #0,2,0: 73:[50, 33] Operation: 78-45=33 Exploring Operation: 50-45=5, Resulting Numbers: [78, 5] Generated Node #0,2,1: 73:[78, 5] Operation: 50-45=5 Exploring Operation: 78-50=28, Resulting Numbers: [45, 28] Generated Node #0,2,2: 73:[45, 28] Operation: 78-50=28 Exploring Operation: 78+45=123, Resulting Numbers: [50, 123] Generated Node #0,2,3: 73:[50, 123] Operation: 78+45=123 Exploring Operation: 45+50=95, Resulting Numbers: [78, 95] Generated Node #0,2,4: 73:[78, 95] Operation: 45+50=95 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 73:[78, 95], Operations: ['25*2=50', '45+50=95'] Exploring Operation: 95-78=17, Resulting Numbers: [17] 17,73 unequal: No Solution Exploring Operation: 78+95=173, Resulting Numbers: [173] 173,73 unequal: No Solution Exploring Operation: 78*95=7410, Resulting Numbers: [7410] 7410,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 73:[50, 33], Operations: ['25*2=50', '78-45=33'] Exploring Operation: 50-33=17, Resulting Numbers: [17] 17,73 unequal: No Solution Exploring Operation: 50+33=83, Resulting Numbers: [83] 83,73 unequal: No Solution Exploring Operation: 50*33=1650, Resulting Numbers: [1650] 1650,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 73:[78, 5], Operations: ['25*2=50', '50-45=5'] Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[78, 45, 25, 2], Operations: [] Exploring Operation: 25*2=50, Resulting Numbers: [78, 45, 50] Generated Node #0,2: 73:[78, 45, 50] Operation: 25*2=50 Moving to Node #0,2 Current State: 73:[78, 45, 50], Operations: ['25*2=50'] Exploring Operation: 50-45=5, Resulting Numbers: [78, 5] Generated Node #0,2,1: 73:[78, 5] Operation: 50-45=5 Moving to Node #0,2,1 Current State: 73:[78, 5], Operations: ['25*2=50', '50-45=5'] Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 9, 55, 53, 71 ]
46
[ "9+55=64", "71-53=18", "64-18=46" ]
Current State: 46:[9, 55, 53, 71], Operations: [] Exploring Operation: 9+55=64, Resulting Numbers: [53, 71, 64] Generated Node #2: [53, 71, 64] from Operation: 9+55=64 Current State: 46:[53, 71, 64], Operations: ['9+55=64'] Exploring Operation: 71-53=18, Resulting Numbers: [64, 18] Generated Node #3: [64, 18] from Operation: 71-53=18 Current State: 46:[64, 18], Operations: ['9+55=64', '71-53=18'] Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[9, 55, 53, 71], Operations: [] Exploring Operation: 71-53=18, Resulting Numbers: [9, 55, 18] Generated Node #0,0: 46:[9, 55, 18] Operation: 71-53=18 Exploring Operation: 55-9=46, Resulting Numbers: [53, 71, 46] Generated Node #0,1: 46:[53, 71, 46] Operation: 55-9=46 Exploring Operation: 71-55=16, Resulting Numbers: [9, 53, 16] Generated Node #0,2: 46:[9, 53, 16] Operation: 71-55=16 Moving to Node #0,0 Current State: 46:[9, 55, 18], Operations: ['71-53=18'] Exploring Operation: 55-9=46, Resulting Numbers: [18, 46] Generated Node #0,0,0: 46:[18, 46] Operation: 55-9=46 Exploring Operation: 18/9=2, Resulting Numbers: [55, 2] Generated Node #0,0,1: 46:[55, 2] Operation: 18/9=2 Exploring Operation: 9+18=27, Resulting Numbers: [55, 27] Generated Node #0,0,2: 46:[55, 27] Operation: 9+18=27 Moving to Node #0,2 Current State: 46:[9, 53, 16], Operations: ['71-55=16'] Exploring Operation: 16-9=7, Resulting Numbers: [53, 7] Generated Node #0,2,0: 46:[53, 7] Operation: 16-9=7 Exploring Operation: 53-9=44, Resulting Numbers: [16, 44] Generated Node #0,2,1: 46:[16, 44] Operation: 53-9=44 Exploring Operation: 9+16=25, Resulting Numbers: [53, 25] Generated Node #0,2,2: 46:[53, 25] Operation: 9+16=25 Moving to Node #0,1 Current State: 46:[53, 71, 46], Operations: ['55-9=46'] Exploring Operation: 71-46=25, Resulting Numbers: [53, 25] Generated Node #0,1,0: 46:[53, 25] Operation: 71-46=25 Exploring Operation: 71-53=18, Resulting Numbers: [46, 18] Generated Node #0,1,1: 46:[46, 18] Operation: 71-53=18 Exploring Operation: 53-46=7, Resulting Numbers: [71, 7] Generated Node #0,1,2: 46:[71, 7] Operation: 53-46=7 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 46:[46, 18], Operations: ['55-9=46', '71-53=18'] Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 46*18=828, Resulting Numbers: [828] 828,46 unequal: No Solution Exploring Operation: 46+18=64, Resulting Numbers: [64] 64,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 46:[53, 25], Operations: ['55-9=46', '71-46=25'] Exploring Operation: 53-25=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 53+25=78, Resulting Numbers: [78] 78,46 unequal: No Solution Exploring Operation: 53*25=1325, Resulting Numbers: [1325] 1325,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 46:[71, 7], Operations: ['55-9=46', '53-46=7'] Exploring Operation: 71*7=497, Resulting Numbers: [497] 497,46 unequal: No Solution Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,46 unequal: No Solution Exploring Operation: 71+7=78, Resulting Numbers: [78] 78,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 46:[18, 46], Operations: ['71-53=18', '55-9=46'] Exploring Operation: 18+46=64, Resulting Numbers: [64] 64,46 unequal: No Solution Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 18*46=828, Resulting Numbers: [828] 828,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[55, 2], Operations: ['71-53=18', '18/9=2'] Exploring Operation: 55*2=110, Resulting Numbers: [110] 110,46 unequal: No Solution Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 55+2=57, Resulting Numbers: [57] 57,46 unequal: No Solution Moving to Node #0,2,2 Current State: 46:[53, 25], Operations: ['71-55=16', '9+16=25'] Exploring Operation: 53*25=1325, Resulting Numbers: [1325] 1325,46 unequal: No Solution Exploring Operation: 53-25=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 53+25=78, Resulting Numbers: [78] 78,46 unequal: No Solution Moving to Node #0,2,1 Current State: 46:[16, 44], Operations: ['71-55=16', '53-9=44'] Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 16+44=60, Resulting Numbers: [60] 60,46 unequal: No Solution Exploring Operation: 16*44=704, Resulting Numbers: [704] 704,46 unequal: No Solution Moving to Node #0,2,0 Current State: 46:[53, 7], Operations: ['71-55=16', '16-9=7'] Exploring Operation: 53*7=371, Resulting Numbers: [371] 371,46 unequal: No Solution Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[9, 55, 53, 71], Operations: [] Exploring Operation: 71-55=16, Resulting Numbers: [9, 53, 16] Generated Node #0,2: 46:[9, 53, 16] Operation: 71-55=16 Moving to Node #0,2 Current State: 46:[9, 53, 16], Operations: ['71-55=16'] Exploring Operation: 16-9=7, Resulting Numbers: [53, 7] Generated Node #0,2,0: 46:[53, 7] Operation: 16-9=7 Moving to Node #0,2,0 Current State: 46:[53, 7], Operations: ['71-55=16', '16-9=7'] Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
0.966146
hs_3
sum_heuristic
[ 75, 16, 52, 72 ]
39
[ "75-16=59", "72-52=20", "59-20=39" ]
Current State: 39:[75, 16, 52, 72], Operations: [] Exploring Operation: 75-16=59, Resulting Numbers: [52, 72, 59] Generated Node #2: [52, 72, 59] from Operation: 75-16=59 Current State: 39:[52, 72, 59], Operations: ['75-16=59'] Exploring Operation: 72-52=20, Resulting Numbers: [59, 20] Generated Node #3: [59, 20] from Operation: 72-52=20 Current State: 39:[59, 20], Operations: ['75-16=59', '72-52=20'] Exploring Operation: 59-20=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[75, 16, 52, 72], Operations: [] Exploring Operation: 75-72=3, Resulting Numbers: [16, 52, 3] Generated Node #0,0: 39:[16, 52, 3] Operation: 75-72=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[16, 52, 3], Operations: ['75-72=3'] Exploring Operation: 52-16=36, Resulting Numbers: [3, 36] Generated Node #0,0,0: 39:[3, 36] Operation: 52-16=36 Moving to Node #0,0,0 Current State: 39:[3, 36], Operations: ['75-72=3', '52-16=36'] Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[75, 16, 52, 72], Operations: [] Exploring Operation: 75-72=3, Resulting Numbers: [16, 52, 3] Generated Node #0,0: 39:[16, 52, 3] Operation: 75-72=3 Moving to Node #0,0 Current State: 39:[16, 52, 3], Operations: ['75-72=3'] Exploring Operation: 52-16=36, Resulting Numbers: [3, 36] Generated Node #0,0,0: 39:[3, 36] Operation: 52-16=36 Moving to Node #0,0,0 Current State: 39:[3, 36], Operations: ['75-72=3', '52-16=36'] Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 9, 54, 11, 38 ]
28
[ "54/9=6", "11*6=66", "66-38=28" ]
Current State: 28:[9, 54, 11, 38], Operations: [] Exploring Operation: 54/9=6, Resulting Numbers: [11, 38, 6] Generated Node #2: [11, 38, 6] from Operation: 54/9=6 Current State: 28:[11, 38, 6], Operations: ['54/9=6'] Exploring Operation: 11*6=66, Resulting Numbers: [38, 66] Generated Node #3: [38, 66] from Operation: 11*6=66 Current State: 28:[38, 66], Operations: ['54/9=6', '11*6=66'] Exploring Operation: 66-38=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[9, 54, 11, 38], Operations: [] Exploring Operation: 54-38=16, Resulting Numbers: [9, 11, 16] Generated Node #0,0: 28:[9, 11, 16] Operation: 54-38=16 Exploring Operation: 38-11=27, Resulting Numbers: [9, 54, 27] Generated Node #0,1: 28:[9, 54, 27] Operation: 38-11=27 Exploring Operation: 54-9=45, Resulting Numbers: [11, 38, 45] Generated Node #0,2: 28:[11, 38, 45] Operation: 54-9=45 Exploring Operation: 54/9=6, Resulting Numbers: [11, 38, 6] Generated Node #0,3: 28:[11, 38, 6] Operation: 54/9=6 Exploring Operation: 54-11=43, Resulting Numbers: [9, 38, 43] Generated Node #0,4: 28:[9, 38, 43] Operation: 54-11=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[9, 11, 16], Operations: ['54-38=16'] Exploring Operation: 16-9=7, Resulting Numbers: [11, 7] Generated Node #0,0,0: 28:[11, 7] Operation: 16-9=7 Exploring Operation: 9+16=25, Resulting Numbers: [11, 25] Generated Node #0,0,1: 28:[11, 25] Operation: 9+16=25 Exploring Operation: 16-11=5, Resulting Numbers: [9, 5] Generated Node #0,0,2: 28:[9, 5] Operation: 16-11=5 Exploring Operation: 11-9=2, Resulting Numbers: [16, 2] Generated Node #0,0,3: 28:[16, 2] Operation: 11-9=2 Exploring Operation: 11+16=27, Resulting Numbers: [9, 27] Generated Node #0,0,4: 28:[9, 27] Operation: 11+16=27 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 28:[16, 2], Operations: ['54-38=16', '11-9=2'] Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,28 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,28 unequal: No Solution Exploring Operation: 16*2=32, Resulting Numbers: [32] 32,28 unequal: No Solution Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[11, 7], Operations: ['54-38=16', '16-9=7'] Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 11+7=18, Resulting Numbers: [18] 18,28 unequal: No Solution Exploring Operation: 11*7=77, Resulting Numbers: [77] 77,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 28:[9, 5], Operations: ['54-38=16', '16-11=5'] Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,28 unequal: No Solution Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 28:[9, 27], Operations: ['54-38=16', '11+16=27'] Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,28 unequal: No Solution Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,28 unequal: No Solution Exploring Operation: 9+27=36, Resulting Numbers: [36] 36,28 unequal: No Solution Exploring Operation: 9*27=243, Resulting Numbers: [243] 243,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 28:[11, 25], Operations: ['54-38=16', '9+16=25'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,28 unequal: No Solution Exploring Operation: 11+25=36, Resulting Numbers: [36] 36,28 unequal: No Solution Exploring Operation: 11*25=275, Resulting Numbers: [275] 275,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 28:[11, 38, 6], Operations: ['54/9=6'] Exploring Operation: 38+6=44, Resulting Numbers: [11, 44] Generated Node #0,3,0: 28:[11, 44] Operation: 38+6=44 Exploring Operation: 11-6=5, Resulting Numbers: [38, 5] Generated Node #0,3,1: 28:[38, 5] Operation: 11-6=5 Exploring Operation: 38-11=27, Resulting Numbers: [6, 27] Generated Node #0,3,2: 28:[6, 27] Operation: 38-11=27 Exploring Operation: 11+6=17, Resulting Numbers: [38, 17] Generated Node #0,3,3: 28:[38, 17] Operation: 11+6=17 Exploring Operation: 38-6=32, Resulting Numbers: [11, 32] Generated Node #0,3,4: 28:[11, 32] Operation: 38-6=32 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 28:[6, 27], Operations: ['54/9=6', '38-11=27'] Exploring Operation: 6+27=33, Resulting Numbers: [33] 33,28 unequal: No Solution Exploring Operation: 6*27=162, Resulting Numbers: [162] 162,28 unequal: No Solution Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 28:[11, 32], Operations: ['54/9=6', '38-6=32'] Exploring Operation: 11*32=352, Resulting Numbers: [352] 352,28 unequal: No Solution Exploring Operation: 11+32=43, Resulting Numbers: [43] 43,28 unequal: No Solution Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 28:[38, 5], Operations: ['54/9=6', '11-6=5'] Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,28 unequal: No Solution Exploring Operation: 38+5=43, Resulting Numbers: [43] 43,28 unequal: No Solution Exploring Operation: 38*5=190, Resulting Numbers: [190] 190,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 28:[38, 17], Operations: ['54/9=6', '11+6=17'] Exploring Operation: 38+17=55, Resulting Numbers: [55] 55,28 unequal: No Solution Exploring Operation: 38-17=21, Resulting Numbers: [21] 21,28 unequal: No Solution Exploring Operation: 38*17=646, Resulting Numbers: [646] 646,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 28:[11, 44], Operations: ['54/9=6', '38+6=44'] Exploring Operation: 44/11=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 11+44=55, Resulting Numbers: [55] 55,28 unequal: No Solution Exploring Operation: 44-11=33, Resulting Numbers: [33] 33,28 unequal: No Solution Exploring Operation: 11*44=484, Resulting Numbers: [484] 484,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 28:[9, 38, 43], Operations: ['54-11=43'] Exploring Operation: 43-9=34, Resulting Numbers: [38, 34] Generated Node #0,4,0: 28:[38, 34] Operation: 43-9=34 Exploring Operation: 9+43=52, Resulting Numbers: [38, 52] Generated Node #0,4,1: 28:[38, 52] Operation: 9+43=52 Exploring Operation: 38-9=29, Resulting Numbers: [43, 29] Generated Node #0,4,2: 28:[43, 29] Operation: 38-9=29 Exploring Operation: 43-38=5, Resulting Numbers: [9, 5] Generated Node #0,4,3: 28:[9, 5] Operation: 43-38=5 Exploring Operation: 9+38=47, Resulting Numbers: [43, 47] Generated Node #0,4,4: 28:[43, 47] Operation: 9+38=47 Moving to Node #0,4,3 Current State: 28:[9, 5], Operations: ['54-11=43', '43-38=5'] Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,28 unequal: No Solution Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,28 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,28 unequal: No Solution Moving to Node #0,4,2 Current State: 28:[43, 29], Operations: ['54-11=43', '38-9=29'] Exploring Operation: 43+29=72, Resulting Numbers: [72] 72,28 unequal: No Solution Exploring Operation: 43*29=1247, Resulting Numbers: [1247] 1247,28 unequal: No Solution Exploring Operation: 43-29=14, Resulting Numbers: [14] 14,28 unequal: No Solution Moving to Node #0,4,0 Current State: 28:[38, 34], Operations: ['54-11=43', '43-9=34'] Exploring Operation: 38+34=72, Resulting Numbers: [72] 72,28 unequal: No Solution Exploring Operation: 38*34=1292, Resulting Numbers: [1292] 1292,28 unequal: No Solution Exploring Operation: 38-34=4, Resulting Numbers: [4] 4,28 unequal: No Solution Moving to Node #0,4,1 Current State: 28:[38, 52], Operations: ['54-11=43', '9+43=52'] Exploring Operation: 52-38=14, Resulting Numbers: [14] 14,28 unequal: No Solution Exploring Operation: 38+52=90, Resulting Numbers: [90] 90,28 unequal: No Solution Exploring Operation: 38*52=1976, Resulting Numbers: [1976] 1976,28 unequal: No Solution Moving to Node #0,4,4 Current State: 28:[43, 47], Operations: ['54-11=43', '9+38=47'] Exploring Operation: 43+47=90, Resulting Numbers: [90] 90,28 unequal: No Solution Exploring Operation: 47-43=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 43*47=2021, Resulting Numbers: [2021] 2021,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[9, 54, 27], Operations: ['38-11=27'] Exploring Operation: 54/27=2, Resulting Numbers: [9, 2] Generated Node #0,1,0: 28:[9, 2] Operation: 54/27=2 Exploring Operation: 54-9=45, Resulting Numbers: [27, 45] Generated Node #0,1,1: 28:[27, 45] Operation: 54-9=45 Exploring Operation: 54/9=6, Resulting Numbers: [27, 6] Generated Node #0,1,2: 28:[27, 6] Operation: 54/9=6 Exploring Operation: 27/9=3, Resulting Numbers: [54, 3] Generated Node #0,1,3: 28:[54, 3] Operation: 27/9=3 Exploring Operation: 54-27=27, Resulting Numbers: [9, 27] Generated Node #0,1,4: 28:[9, 27] Operation: 54-27=27 Moving to Node #0,1,0 Current State: 28:[9, 2], Operations: ['38-11=27', '54/27=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,28 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,28 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,28 unequal: No Solution Moving to Node #0,1,2 Current State: 28:[27, 6], Operations: ['38-11=27', '54/9=6'] Exploring Operation: 27*6=162, Resulting Numbers: [162] 162,28 unequal: No Solution Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,28 unequal: No Solution Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,28 unequal: No Solution Moving to Node #0,1,4 Current State: 28:[9, 27], Operations: ['38-11=27', '54-27=27'] Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,28 unequal: No Solution Exploring Operation: 9+27=36, Resulting Numbers: [36] 36,28 unequal: No Solution Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,28 unequal: No Solution Exploring Operation: 9*27=243, Resulting Numbers: [243] 243,28 unequal: No Solution Moving to Node #0,1,1 Current State: 28:[27, 45], Operations: ['38-11=27', '54-9=45'] Exploring Operation: 45-27=18, Resulting Numbers: [18] 18,28 unequal: No Solution Exploring Operation: 27*45=1215, Resulting Numbers: [1215] 1215,28 unequal: No Solution Exploring Operation: 27+45=72, Resulting Numbers: [72] 72,28 unequal: No Solution Moving to Node #0,1,3 Current State: 28:[54, 3], Operations: ['38-11=27', '27/9=3'] Exploring Operation: 54+3=57, Resulting Numbers: [57] 57,28 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,28 unequal: No Solution Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,28 unequal: No Solution Exploring Operation: 54*3=162, Resulting Numbers: [162] 162,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 28:[11, 38, 45], Operations: ['54-9=45'] Exploring Operation: 11+45=56, Resulting Numbers: [38, 56] Generated Node #0,2,0: 28:[38, 56] Operation: 11+45=56 Exploring Operation: 45-11=34, Resulting Numbers: [38, 34] Generated Node #0,2,1: 28:[38, 34] Operation: 45-11=34 Exploring Operation: 11+38=49, Resulting Numbers: [45, 49] Generated Node #0,2,2: 28:[45, 49] Operation: 11+38=49 Exploring Operation: 45-38=7, Resulting Numbers: [11, 7] Generated Node #0,2,3: 28:[11, 7] Operation: 45-38=7 Exploring Operation: 38-11=27, Resulting Numbers: [45, 27] Generated Node #0,2,4: 28:[45, 27] Operation: 38-11=27 Moving to Node #0,2,3 Current State: 28:[11, 7], Operations: ['54-9=45', '45-38=7'] Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 11+7=18, Resulting Numbers: [18] 18,28 unequal: No Solution Exploring Operation: 11*7=77, Resulting Numbers: [77] 77,28 unequal: No Solution Moving to Node #0,2,1 Current State: 28:[38, 34], Operations: ['54-9=45', '45-11=34'] Exploring Operation: 38*34=1292, Resulting Numbers: [1292] 1292,28 unequal: No Solution Exploring Operation: 38-34=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 38+34=72, Resulting Numbers: [72] 72,28 unequal: No Solution Moving to Node #0,2,4 Current State: 28:[45, 27], Operations: ['54-9=45', '38-11=27'] Exploring Operation: 45-27=18, Resulting Numbers: [18] 18,28 unequal: No Solution Exploring Operation: 45*27=1215, Resulting Numbers: [1215] 1215,28 unequal: No Solution Exploring Operation: 45+27=72, Resulting Numbers: [72] 72,28 unequal: No Solution Moving to Node #0,2,0 Current State: 28:[38, 56], Operations: ['54-9=45', '11+45=56'] Exploring Operation: 38*56=2128, Resulting Numbers: [2128] 2128,28 unequal: No Solution Exploring Operation: 56-38=18, Resulting Numbers: [18] 18,28 unequal: No Solution Exploring Operation: 38+56=94, Resulting Numbers: [94] 94,28 unequal: No Solution Moving to Node #0,2,2 Current State: 28:[45, 49], Operations: ['54-9=45', '11+38=49'] Exploring Operation: 45+49=94, Resulting Numbers: [94] 94,28 unequal: No Solution Exploring Operation: 45*49=2205, Resulting Numbers: [2205] 2205,28 unequal: No Solution Exploring Operation: 49-45=4, Resulting Numbers: [4] 4,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 59, 98, 90, 29 ]
49
[ "90-59=31", "31-29=2", "98/2=49" ]
Current State: 49:[59, 98, 90, 29], Operations: [] Exploring Operation: 90-59=31, Resulting Numbers: [98, 29, 31] Generated Node #2: [98, 29, 31] from Operation: 90-59=31 Current State: 49:[98, 29, 31], Operations: ['90-59=31'] Exploring Operation: 31-29=2, Resulting Numbers: [98, 2] Generated Node #3: [98, 2] from Operation: 31-29=2 Current State: 49:[98, 2], Operations: ['90-59=31', '31-29=2'] Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[59, 98, 90, 29], Operations: [] Exploring Operation: 98-59=39, Resulting Numbers: [90, 29, 39] Generated Node #0,0: 49:[90, 29, 39] Operation: 98-59=39 Exploring Operation: 90-29=61, Resulting Numbers: [59, 98, 61] Generated Node #0,1: 49:[59, 98, 61] Operation: 90-29=61 Exploring Operation: 98-90=8, Resulting Numbers: [59, 29, 8] Generated Node #0,2: 49:[59, 29, 8] Operation: 98-90=8 Exploring Operation: 98-29=69, Resulting Numbers: [59, 90, 69] Generated Node #0,3: 49:[59, 90, 69] Operation: 98-29=69 Moving to Node #0,2 Current State: 49:[59, 29, 8], Operations: ['98-90=8'] Exploring Operation: 59-29=30, Resulting Numbers: [8, 30] Generated Node #0,2,0: 49:[8, 30] Operation: 59-29=30 Exploring Operation: 29+8=37, Resulting Numbers: [59, 37] Generated Node #0,2,1: 49:[59, 37] Operation: 29+8=37 Exploring Operation: 29-8=21, Resulting Numbers: [59, 21] Generated Node #0,2,2: 49:[59, 21] Operation: 29-8=21 Exploring Operation: 59-8=51, Resulting Numbers: [29, 51] Generated Node #0,2,3: 49:[29, 51] Operation: 59-8=51 Moving to Node #0,1 Current State: 49:[59, 98, 61], Operations: ['90-29=61'] Exploring Operation: 98-61=37, Resulting Numbers: [59, 37] Generated Node #0,1,0: 49:[59, 37] Operation: 98-61=37 Exploring Operation: 59+98=157, Resulting Numbers: [61, 157] Generated Node #0,1,1: 49:[61, 157] Operation: 59+98=157 Exploring Operation: 61-59=2, Resulting Numbers: [98, 2] Generated Node #0,1,2: 49:[98, 2] Operation: 61-59=2 Exploring Operation: 98-59=39, Resulting Numbers: [61, 39] Generated Node #0,1,3: 49:[61, 39] Operation: 98-59=39 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[59, 37], Operations: ['90-29=61', '98-61=37'] Exploring Operation: 59+37=96, Resulting Numbers: [96] 96,49 unequal: No Solution Exploring Operation: 59-37=22, Resulting Numbers: [22] 22,49 unequal: No Solution Exploring Operation: 59*37=2183, Resulting Numbers: [2183] 2183,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 49:[61, 39], Operations: ['90-29=61', '98-59=39'] Exploring Operation: 61*39=2379, Resulting Numbers: [2379] 2379,49 unequal: No Solution Exploring Operation: 61+39=100, Resulting Numbers: [100] 100,49 unequal: No Solution Exploring Operation: 61-39=22, Resulting Numbers: [22] 22,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 49:[98, 2], Operations: ['90-29=61', '61-59=2'] Exploring Operation: 98+2=100, Resulting Numbers: [100] 100,49 unequal: No Solution Exploring Operation: 98-2=96, Resulting Numbers: [96] 96,49 unequal: No Solution Exploring Operation: 98*2=196, Resulting Numbers: [196] 196,49 unequal: No Solution Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[59, 98, 90, 29], Operations: [] Exploring Operation: 90-29=61, Resulting Numbers: [59, 98, 61] Generated Node #0,1: 49:[59, 98, 61] Operation: 90-29=61 Moving to Node #0,1 Current State: 49:[59, 98, 61], Operations: ['90-29=61'] Exploring Operation: 61-59=2, Resulting Numbers: [98, 2] Generated Node #0,1,2: 49:[98, 2] Operation: 61-59=2 Moving to Node #0,1,2 Current State: 49:[98, 2], Operations: ['90-29=61', '61-59=2'] Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_4
sum_heuristic
[ 72, 87, 98, 46 ]
89
[ "98+46=144", "144/72=2", "87+2=89" ]
Current State: 89:[72, 87, 98, 46], Operations: [] Exploring Operation: 98+46=144, Resulting Numbers: [72, 87, 144] Generated Node #2: [72, 87, 144] from Operation: 98+46=144 Current State: 89:[72, 87, 144], Operations: ['98+46=144'] Exploring Operation: 144/72=2, Resulting Numbers: [87, 2] Generated Node #3: [87, 2] from Operation: 144/72=2 Current State: 89:[87, 2], Operations: ['98+46=144', '144/72=2'] Exploring Operation: 87+2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[72, 87, 98, 46], Operations: [] Exploring Operation: 87+46=133, Resulting Numbers: [72, 98, 133] Generated Node #0,0: 89:[72, 98, 133] Operation: 87+46=133 Exploring Operation: 98-46=52, Resulting Numbers: [72, 87, 52] Generated Node #0,1: 89:[72, 87, 52] Operation: 98-46=52 Exploring Operation: 72-46=26, Resulting Numbers: [87, 98, 26] Generated Node #0,2: 89:[87, 98, 26] Operation: 72-46=26 Exploring Operation: 72+46=118, Resulting Numbers: [87, 98, 118] Generated Node #0,3: 89:[87, 98, 118] Operation: 72+46=118 Start Sub Search at level 1: Moving to Node #0,3 Current State: 89:[87, 98, 118], Operations: ['72+46=118'] Exploring Operation: 98-87=11, Resulting Numbers: [118, 11] Generated Node #0,3,0: 89:[118, 11] Operation: 98-87=11 Exploring Operation: 87+98=185, Resulting Numbers: [118, 185] Generated Node #0,3,1: 89:[118, 185] Operation: 87+98=185 Exploring Operation: 118-98=20, Resulting Numbers: [87, 20] Generated Node #0,3,2: 89:[87, 20] Operation: 118-98=20 Exploring Operation: 118-87=31, Resulting Numbers: [98, 31] Generated Node #0,3,3: 89:[98, 31] Operation: 118-87=31 Moving to Node #0,3,3 Current State: 89:[98, 31], Operations: ['72+46=118', '118-87=31'] Exploring Operation: 98*31=3038, Resulting Numbers: [3038] 3038,89 unequal: No Solution Exploring Operation: 98+31=129, Resulting Numbers: [129] 129,89 unequal: No Solution Exploring Operation: 98-31=67, Resulting Numbers: [67] 67,89 unequal: No Solution Moving to Node #0,3,2 Current State: 89:[87, 20], Operations: ['72+46=118', '118-98=20'] Exploring Operation: 87+20=107, Resulting Numbers: [107] 107,89 unequal: No Solution Exploring Operation: 87*20=1740, Resulting Numbers: [1740] 1740,89 unequal: No Solution Exploring Operation: 87-20=67, Resulting Numbers: [67] 67,89 unequal: No Solution Moving to Node #0,3,0 Current State: 89:[118, 11], Operations: ['72+46=118', '98-87=11'] Exploring Operation: 118+11=129, Resulting Numbers: [129] 129,89 unequal: No Solution Exploring Operation: 118*11=1298, Resulting Numbers: [1298] 1298,89 unequal: No Solution Exploring Operation: 118-11=107, Resulting Numbers: [107] 107,89 unequal: No Solution Moving to Node #0,3,1 Current State: 89:[118, 185], Operations: ['72+46=118', '87+98=185'] Exploring Operation: 185-118=67, Resulting Numbers: [67] 67,89 unequal: No Solution Exploring Operation: 118+185=303, Resulting Numbers: [303] 303,89 unequal: No Solution Exploring Operation: 118*185=21830, Resulting Numbers: [21830] 21830,89 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:[72, 87, 52], Operations: ['98-46=52'] Exploring Operation: 72-52=20, Resulting Numbers: [87, 20] Generated Node #0,1,0: 89:[87, 20] Operation: 72-52=20 Exploring Operation: 72+52=124, Resulting Numbers: [87, 124] Generated Node #0,1,1: 89:[87, 124] Operation: 72+52=124 Exploring Operation: 87-52=35, Resulting Numbers: [72, 35] Generated Node #0,1,2: 89:[72, 35] Operation: 87-52=35 Exploring Operation: 87+52=139, Resulting Numbers: [72, 139] Generated Node #0,1,3: 89:[72, 139] Operation: 87+52=139 Moving to Node #0,1,1 Current State: 89:[87, 124], Operations: ['98-46=52', '72+52=124'] Exploring Operation: 87*124=10788, Resulting Numbers: [10788] 10788,89 unequal: No Solution Exploring Operation: 87+124=211, Resulting Numbers: [211] 211,89 unequal: No Solution Exploring Operation: 124-87=37, Resulting Numbers: [37] 37,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[72, 139], Operations: ['98-46=52', '87+52=139'] Exploring Operation: 139-72=67, Resulting Numbers: [67] 67,89 unequal: No Solution Exploring Operation: 72+139=211, Resulting Numbers: [211] 211,89 unequal: No Solution Exploring Operation: 72*139=10008, Resulting Numbers: [10008] 10008,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[72, 35], Operations: ['98-46=52', '87-52=35'] Exploring Operation: 72*35=2520, Resulting Numbers: [2520] 2520,89 unequal: No Solution Exploring Operation: 72-35=37, Resulting Numbers: [37] 37,89 unequal: No Solution Exploring Operation: 72+35=107, Resulting Numbers: [107] 107,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[87, 20], Operations: ['98-46=52', '72-52=20'] Exploring Operation: 87-20=67, Resulting Numbers: [67] 67,89 unequal: No Solution Exploring Operation: 87+20=107, Resulting Numbers: [107] 107,89 unequal: No Solution Exploring Operation: 87*20=1740, Resulting Numbers: [1740] 1740,89 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 #0,0 Current State: 89:[72, 98, 133], Operations: ['87+46=133'] Exploring Operation: 133-72=61, Resulting Numbers: [98, 61] Generated Node #0,0,0: 89:[98, 61] Operation: 133-72=61 Exploring Operation: 133-98=35, Resulting Numbers: [72, 35] Generated Node #0,0,1: 89:[72, 35] Operation: 133-98=35 Exploring Operation: 98-72=26, Resulting Numbers: [133, 26] Generated Node #0,0,2: 89:[133, 26] Operation: 98-72=26 Exploring Operation: 72+98=170, Resulting Numbers: [133, 170] Generated Node #0,0,3: 89:[133, 170] Operation: 72+98=170 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[98, 61], Operations: ['87+46=133', '133-72=61'] Exploring Operation: 98-61=37, Resulting Numbers: [37] 37,89 unequal: No Solution Exploring Operation: 98+61=159, Resulting Numbers: [159] 159,89 unequal: No Solution Exploring Operation: 98*61=5978, Resulting Numbers: [5978] 5978,89 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 #0,0,1 Current State: 89:[72, 35], Operations: ['87+46=133', '133-98=35'] Exploring Operation: 72+35=107, Resulting Numbers: [107] 107,89 unequal: No Solution Exploring Operation: 72*35=2520, Resulting Numbers: [2520] 2520,89 unequal: No Solution Exploring Operation: 72-35=37, Resulting Numbers: [37] 37,89 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 #0,0,2 Current State: 89:[133, 26], Operations: ['87+46=133', '98-72=26'] Exploring Operation: 133-26=107, Resulting Numbers: [107] 107,89 unequal: No Solution Exploring Operation: 133*26=3458, Resulting Numbers: [3458] 3458,89 unequal: No Solution Exploring Operation: 133+26=159, Resulting Numbers: [159] 159,89 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 #0,0,3 Current State: 89:[133, 170], Operations: ['87+46=133', '72+98=170'] Exploring Operation: 133*170=22610, Resulting Numbers: [22610] 22610,89 unequal: No Solution Exploring Operation: 170-133=37, Resulting Numbers: [37] 37,89 unequal: No Solution Exploring Operation: 133+170=303, Resulting Numbers: [303] 303,89 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 #0,2 Current State: 89:[87, 98, 26], Operations: ['72-46=26'] Exploring Operation: 98-26=72, Resulting Numbers: [87, 72] Generated Node #0,2,0: 89:[87, 72] Operation: 98-26=72 Exploring Operation: 87+26=113, Resulting Numbers: [98, 113] Generated Node #0,2,1: 89:[98, 113] Operation: 87+26=113 Exploring Operation: 98+26=124, Resulting Numbers: [87, 124] Generated Node #0,2,2: 89:[87, 124] Operation: 98+26=124 Exploring Operation: 87-26=61, Resulting Numbers: [98, 61] Generated Node #0,2,3: 89:[98, 61] Operation: 87-26=61 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 89:[87, 72], Operations: ['72-46=26', '98-26=72'] Exploring Operation: 87+72=159, Resulting Numbers: [159] 159,89 unequal: No Solution Exploring Operation: 87*72=6264, Resulting Numbers: [6264] 6264,89 unequal: No Solution Exploring Operation: 87-72=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 #0,2,1 Current State: 89:[98, 113], Operations: ['72-46=26', '87+26=113'] Exploring Operation: 98+113=211, Resulting Numbers: [211] 211,89 unequal: No Solution Exploring Operation: 113-98=15, Resulting Numbers: [15] 15,89 unequal: No Solution Exploring Operation: 98*113=11074, Resulting Numbers: [11074] 11074,89 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 #0,2,2 Current State: 89:[87, 124], Operations: ['72-46=26', '98+26=124'] Exploring Operation: 124-87=37, Resulting Numbers: [37] 37,89 unequal: No Solution Exploring Operation: 87*124=10788, Resulting Numbers: [10788] 10788,89 unequal: No Solution Exploring Operation: 87+124=211, Resulting Numbers: [211] 211,89 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:[98, 61], Operations: ['72-46=26', '87-26=61'] Exploring Operation: 98+61=159, Resulting Numbers: [159] 159,89 unequal: No Solution Exploring Operation: 98-61=37, Resulting Numbers: [37] 37,89 unequal: No Solution Exploring Operation: 98*61=5978, Resulting Numbers: [5978] 5978,89 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 No solution found.
0
hs_4
mult_heuristic
[ 21, 81, 2, 59 ]
86
[ "21+81=102", "102-59=43", "2*43=86" ]
Current State: 86:[21, 81, 2, 59], Operations: [] Exploring Operation: 21+81=102, Resulting Numbers: [2, 59, 102] Generated Node #2: [2, 59, 102] from Operation: 21+81=102 Current State: 86:[2, 59, 102], Operations: ['21+81=102'] Exploring Operation: 102-59=43, Resulting Numbers: [2, 43] Generated Node #3: [2, 43] from Operation: 102-59=43 Current State: 86:[2, 43], Operations: ['21+81=102', '102-59=43'] Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[21, 81, 2, 59], Operations: [] Exploring Operation: 21+59=80, Resulting Numbers: [81, 2, 80] Generated Node #0,0: 86:[81, 2, 80] Operation: 21+59=80 Exploring Operation: 21*2=42, Resulting Numbers: [81, 59, 42] Generated Node #0,1: 86:[81, 59, 42] Operation: 21*2=42 Exploring Operation: 59-21=38, Resulting Numbers: [81, 2, 38] Generated Node #0,2: 86:[81, 2, 38] Operation: 59-21=38 Exploring Operation: 21+81=102, Resulting Numbers: [2, 59, 102] Generated Node #0,3: 86:[2, 59, 102] Operation: 21+81=102 Start Sub Search at level 1: Moving to Node #0,2 Current State: 86:[81, 2, 38], Operations: ['59-21=38'] Exploring Operation: 2+38=40, Resulting Numbers: [81, 40] Generated Node #0,2,0: 86:[81, 40] Operation: 2+38=40 Exploring Operation: 81+2=83, Resulting Numbers: [38, 83] Generated Node #0,2,1: 86:[38, 83] Operation: 81+2=83 Exploring Operation: 81-38=43, Resulting Numbers: [2, 43] Generated Node #0,2,2: 86:[2, 43] Operation: 81-38=43 Exploring Operation: 81-2=79, Resulting Numbers: [38, 79] Generated Node #0,2,3: 86:[38, 79] Operation: 81-2=79 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 86:[2, 43], Operations: ['59-21=38', '81-38=43'] Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[21, 81, 2, 59], Operations: [] Exploring Operation: 59-21=38, Resulting Numbers: [81, 2, 38] Generated Node #0,2: 86:[81, 2, 38] Operation: 59-21=38 Moving to Node #0,2 Current State: 86:[81, 2, 38], Operations: ['59-21=38'] Exploring Operation: 81-38=43, Resulting Numbers: [2, 43] Generated Node #0,2,2: 86:[2, 43] Operation: 81-38=43 Moving to Node #0,2,2 Current State: 86:[2, 43], Operations: ['59-21=38', '81-38=43'] Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 26, 97, 48, 65 ]
42
[ "97-26=71", "48+65=113", "113-71=42" ]
Current State: 42:[26, 97, 48, 65], Operations: [] Exploring Operation: 97-26=71, Resulting Numbers: [48, 65, 71] Generated Node #2: [48, 65, 71] from Operation: 97-26=71 Current State: 42:[48, 65, 71], Operations: ['97-26=71'] Exploring Operation: 48+65=113, Resulting Numbers: [71, 113] Generated Node #3: [71, 113] from Operation: 48+65=113 Current State: 42:[71, 113], Operations: ['97-26=71', '48+65=113'] Exploring Operation: 113-71=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[26, 97, 48, 65], Operations: [] Exploring Operation: 97-26=71, Resulting Numbers: [48, 65, 71] Generated Node #0,0: 42:[48, 65, 71] Operation: 97-26=71 Exploring Operation: 97-48=49, Resulting Numbers: [26, 65, 49] Generated Node #0,1: 42:[26, 65, 49] Operation: 97-48=49 Exploring Operation: 65-26=39, Resulting Numbers: [97, 48, 39] Generated Node #0,2: 42:[97, 48, 39] Operation: 65-26=39 Exploring Operation: 65-48=17, Resulting Numbers: [26, 97, 17] Generated Node #0,3: 42:[26, 97, 17] Operation: 65-48=17 Exploring Operation: 97-65=32, Resulting Numbers: [26, 48, 32] Generated Node #0,4: 42:[26, 48, 32] Operation: 97-65=32 Moving to Node #0,4 Current State: 42:[26, 48, 32], Operations: ['97-65=32'] Exploring Operation: 48-32=16, Resulting Numbers: [26, 16] Generated Node #0,4,0: 42:[26, 16] Operation: 48-32=16 Exploring Operation: 26+32=58, Resulting Numbers: [48, 58] Generated Node #0,4,1: 42:[48, 58] Operation: 26+32=58 Exploring Operation: 32-26=6, Resulting Numbers: [48, 6] Generated Node #0,4,2: 42:[48, 6] Operation: 32-26=6 Exploring Operation: 26+48=74, Resulting Numbers: [32, 74] Generated Node #0,4,3: 42:[32, 74] Operation: 26+48=74 Exploring Operation: 48-26=22, Resulting Numbers: [32, 22] Generated Node #0,4,4: 42:[32, 22] Operation: 48-26=22 Moving to Node #0,1 Current State: 42:[26, 65, 49], Operations: ['97-48=49'] Exploring Operation: 65-49=16, Resulting Numbers: [26, 16] Generated Node #0,1,0: 42:[26, 16] Operation: 65-49=16 Exploring Operation: 26+49=75, Resulting Numbers: [65, 75] Generated Node #0,1,1: 42:[65, 75] Operation: 26+49=75 Exploring Operation: 26+65=91, Resulting Numbers: [49, 91] Generated Node #0,1,2: 42:[49, 91] Operation: 26+65=91 Exploring Operation: 65-26=39, Resulting Numbers: [49, 39] Generated Node #0,1,3: 42:[49, 39] Operation: 65-26=39 Exploring Operation: 49-26=23, Resulting Numbers: [65, 23] Generated Node #0,1,4: 42:[65, 23] Operation: 49-26=23 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 42:[26, 16], Operations: ['97-48=49', '65-49=16'] Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,42 unequal: No Solution Exploring Operation: 26*16=416, Resulting Numbers: [416] 416,42 unequal: No Solution Exploring Operation: 26+16=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[26, 97, 48, 65], Operations: [] Exploring Operation: 97-48=49, Resulting Numbers: [26, 65, 49] Generated Node #0,1: 42:[26, 65, 49] Operation: 97-48=49 Moving to Node #0,1 Current State: 42:[26, 65, 49], Operations: ['97-48=49'] Exploring Operation: 65-49=16, Resulting Numbers: [26, 16] Generated Node #0,1,0: 42:[26, 16] Operation: 65-49=16 Moving to Node #0,1,0 Current State: 42:[26, 16], Operations: ['97-48=49', '65-49=16'] Exploring Operation: 26+16=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 71, 28, 94, 6 ]
45
[ "71-28=43", "94-6=88", "88-43=45" ]
Current State: 45:[71, 28, 94, 6], Operations: [] Exploring Operation: 71-28=43, Resulting Numbers: [94, 6, 43] Generated Node #2: [94, 6, 43] from Operation: 71-28=43 Current State: 45:[94, 6, 43], Operations: ['71-28=43'] Exploring Operation: 94-6=88, Resulting Numbers: [43, 88] Generated Node #3: [43, 88] from Operation: 94-6=88 Current State: 45:[43, 88], Operations: ['71-28=43', '94-6=88'] Exploring Operation: 88-43=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[71, 28, 94, 6], Operations: [] Exploring Operation: 71-28=43, Resulting Numbers: [94, 6, 43] Generated Node #0,0: 45:[94, 6, 43] Operation: 71-28=43 Exploring Operation: 94-71=23, Resulting Numbers: [28, 6, 23] Generated Node #0,1: 45:[28, 6, 23] Operation: 94-71=23 Exploring Operation: 94-28=66, Resulting Numbers: [71, 6, 66] Generated Node #0,2: 45:[71, 6, 66] Operation: 94-28=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[28, 6, 23], Operations: ['94-71=23'] Exploring Operation: 28+23=51, Resulting Numbers: [6, 51] Generated Node #0,1,0: 45:[6, 51] Operation: 28+23=51 Exploring Operation: 28-6=22, Resulting Numbers: [23, 22] Generated Node #0,1,1: 45:[23, 22] Operation: 28-6=22 Exploring Operation: 28-23=5, Resulting Numbers: [6, 5] Generated Node #0,1,2: 45:[6, 5] Operation: 28-23=5 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 45:[6, 5], Operations: ['94-71=23', '28-23=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,45 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 45:[6, 51], Operations: ['94-71=23', '28+23=51'] Exploring Operation: 6+51=57, Resulting Numbers: [57] 57,45 unequal: No Solution Exploring Operation: 6*51=306, Resulting Numbers: [306] 306,45 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[71, 28, 94, 6], Operations: [] Exploring Operation: 94-71=23, Resulting Numbers: [28, 6, 23] Generated Node #0,1: 45:[28, 6, 23] Operation: 94-71=23 Moving to Node #0,1 Current State: 45:[28, 6, 23], Operations: ['94-71=23'] Exploring Operation: 28+23=51, Resulting Numbers: [6, 51] Generated Node #0,1,0: 45:[6, 51] Operation: 28+23=51 Moving to Node #0,1,0 Current State: 45:[6, 51], Operations: ['94-71=23', '28+23=51'] Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 51, 16, 65, 82 ]
48
[ "51*16=816", "82-65=17", "816/17=48" ]
Current State: 48:[51, 16, 65, 82], Operations: [] Exploring Operation: 51*16=816, Resulting Numbers: [65, 82, 816] Generated Node #2: [65, 82, 816] from Operation: 51*16=816 Current State: 48:[65, 82, 816], Operations: ['51*16=816'] Exploring Operation: 82-65=17, Resulting Numbers: [816, 17] Generated Node #3: [816, 17] from Operation: 82-65=17 Current State: 48:[816, 17], Operations: ['51*16=816', '82-65=17'] Exploring Operation: 816/17=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[51, 16, 65, 82], Operations: [] Exploring Operation: 82-65=17, Resulting Numbers: [51, 16, 17] Generated Node #0,0: 48:[51, 16, 17] Operation: 82-65=17 Exploring Operation: 82-51=31, Resulting Numbers: [16, 65, 31] Generated Node #0,1: 48:[16, 65, 31] Operation: 82-51=31 Moving to Node #0,0 Current State: 48:[51, 16, 17], Operations: ['82-65=17'] Exploring Operation: 51/17=3, Resulting Numbers: [16, 3] Generated Node #0,0,0: 48:[16, 3] Operation: 51/17=3 Exploring Operation: 17-16=1, Resulting Numbers: [51, 1] Generated Node #0,0,1: 48:[51, 1] Operation: 17-16=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[16, 3], Operations: ['82-65=17', '51/17=3'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[51, 16, 65, 82], Operations: [] Exploring Operation: 82-65=17, Resulting Numbers: [51, 16, 17] Generated Node #0,0: 48:[51, 16, 17] Operation: 82-65=17 Moving to Node #0,0 Current State: 48:[51, 16, 17], Operations: ['82-65=17'] Exploring Operation: 51/17=3, Resulting Numbers: [16, 3] Generated Node #0,0,0: 48:[16, 3] Operation: 51/17=3 Moving to Node #0,0,0 Current State: 48:[16, 3], Operations: ['82-65=17', '51/17=3'] Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 81, 42, 77, 44 ]
79
[ "81+77=158", "44-42=2", "158/2=79" ]
Current State: 79:[81, 42, 77, 44], Operations: [] Exploring Operation: 81+77=158, Resulting Numbers: [42, 44, 158] Generated Node #2: [42, 44, 158] from Operation: 81+77=158 Current State: 79:[42, 44, 158], Operations: ['81+77=158'] Exploring Operation: 44-42=2, Resulting Numbers: [158, 2] Generated Node #3: [158, 2] from Operation: 44-42=2 Current State: 79:[158, 2], Operations: ['81+77=158', '44-42=2'] Exploring Operation: 158/2=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[81, 42, 77, 44], Operations: [] Exploring Operation: 42+44=86, Resulting Numbers: [81, 77, 86] Generated Node #0,0: 79:[81, 77, 86] Operation: 42+44=86 Exploring Operation: 81-42=39, Resulting Numbers: [77, 44, 39] Generated Node #0,1: 79:[77, 44, 39] Operation: 81-42=39 Moving to Node #0,0 Current State: 79:[81, 77, 86], Operations: ['42+44=86'] Exploring Operation: 86-77=9, Resulting Numbers: [81, 9] Generated Node #0,0,0: 79:[81, 9] Operation: 86-77=9 Exploring Operation: 86-81=5, Resulting Numbers: [77, 5] Generated Node #0,0,1: 79:[77, 5] Operation: 86-81=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[81, 9], Operations: ['42+44=86', '86-77=9'] Exploring Operation: 81+9=90, Resulting Numbers: [90] 90,79 unequal: No Solution Exploring Operation: 81-9=72, Resulting Numbers: [72] 72,79 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 #0,0,1 Current State: 79:[77, 5], Operations: ['42+44=86', '86-81=5'] Exploring Operation: 77+5=82, Resulting Numbers: [82] 82,79 unequal: No Solution Exploring Operation: 77-5=72, Resulting Numbers: [72] 72,79 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: 79:[77, 44, 39], Operations: ['81-42=39'] Exploring Operation: 44+39=83, Resulting Numbers: [77, 83] Generated Node #0,1,0: 79:[77, 83] Operation: 44+39=83 Exploring Operation: 77+39=116, Resulting Numbers: [44, 116] Generated Node #0,1,1: 79:[44, 116] Operation: 77+39=116 Moving to Node #0,1,0 Current State: 79:[77, 83], Operations: ['81-42=39', '44+39=83'] Exploring Operation: 77+83=160, Resulting Numbers: [160] 160,79 unequal: No Solution Exploring Operation: 83-77=6, Resulting Numbers: [6] 6,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[44, 116], Operations: ['81-42=39', '77+39=116'] Exploring Operation: 44+116=160, Resulting Numbers: [160] 160,79 unequal: No Solution Exploring Operation: 116-44=72, Resulting Numbers: [72] 72,79 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 94, 7, 24, 85 ]
99
[ "24-7=17", "85/17=5", "94+5=99" ]
Current State: 99:[94, 7, 24, 85], Operations: [] Exploring Operation: 24-7=17, Resulting Numbers: [94, 85, 17] Generated Node #2: [94, 85, 17] from Operation: 24-7=17 Current State: 99:[94, 85, 17], Operations: ['24-7=17'] Exploring Operation: 85/17=5, Resulting Numbers: [94, 5] Generated Node #3: [94, 5] from Operation: 85/17=5 Current State: 99:[94, 5], Operations: ['24-7=17', '85/17=5'] Exploring Operation: 94+5=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[94, 7, 24, 85], Operations: [] Exploring Operation: 94-85=9, Resulting Numbers: [7, 24, 9] Generated Node #0,0: 99:[7, 24, 9] Operation: 94-85=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[7, 24, 9], Operations: ['94-85=9'] Exploring Operation: 7+24=31, Resulting Numbers: [9, 31] Generated Node #0,0,0: 99:[9, 31] Operation: 7+24=31 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 99:[9, 31], Operations: ['94-85=9', '7+24=31'] Exploring Operation: 9+31=40, Resulting Numbers: [40] 40,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 84, 39, 31, 61 ]
47
[ "84-39=45", "31+61=92", "92-45=47" ]
Current State: 47:[84, 39, 31, 61], Operations: [] Exploring Operation: 84-39=45, Resulting Numbers: [31, 61, 45] Generated Node #2: [31, 61, 45] from Operation: 84-39=45 Current State: 47:[31, 61, 45], Operations: ['84-39=45'] Exploring Operation: 31+61=92, Resulting Numbers: [45, 92] Generated Node #3: [45, 92] from Operation: 31+61=92 Current State: 47:[45, 92], Operations: ['84-39=45', '31+61=92'] Exploring Operation: 92-45=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[84, 39, 31, 61], Operations: [] Exploring Operation: 84-39=45, Resulting Numbers: [31, 61, 45] Generated Node #0,0: 47:[31, 61, 45] Operation: 84-39=45 Exploring Operation: 84-61=23, Resulting Numbers: [39, 31, 23] Generated Node #0,1: 47:[39, 31, 23] Operation: 84-61=23 Exploring Operation: 39+31=70, Resulting Numbers: [84, 61, 70] Generated Node #0,2: 47:[84, 61, 70] Operation: 39+31=70 Exploring Operation: 84-31=53, Resulting Numbers: [39, 61, 53] Generated Node #0,3: 47:[39, 61, 53] Operation: 84-31=53 Exploring Operation: 61-31=30, Resulting Numbers: [84, 39, 30] Generated Node #0,4: 47:[84, 39, 30] Operation: 61-31=30 Start Sub Search at level 1: Moving to Node #0,3 Current State: 47:[39, 61, 53], Operations: ['84-31=53'] Exploring Operation: 39+53=92, Resulting Numbers: [61, 92] Generated Node #0,3,0: 47:[61, 92] Operation: 39+53=92 Exploring Operation: 61-39=22, Resulting Numbers: [53, 22] Generated Node #0,3,1: 47:[53, 22] Operation: 61-39=22 Exploring Operation: 53-39=14, Resulting Numbers: [61, 14] Generated Node #0,3,2: 47:[61, 14] Operation: 53-39=14 Exploring Operation: 61-53=8, Resulting Numbers: [39, 8] Generated Node #0,3,3: 47:[39, 8] Operation: 61-53=8 Exploring Operation: 39+61=100, Resulting Numbers: [53, 100] Generated Node #0,3,4: 47:[53, 100] Operation: 39+61=100 Moving to Node #0,3,1 Current State: 47:[53, 22], Operations: ['84-31=53', '61-39=22'] Exploring Operation: 53*22=1166, Resulting Numbers: [1166] 1166,47 unequal: No Solution Exploring Operation: 53+22=75, Resulting Numbers: [75] 75,47 unequal: No Solution Exploring Operation: 53-22=31, Resulting Numbers: [31] 31,47 unequal: No Solution Moving to Node #0,3,3 Current State: 47:[39, 8], Operations: ['84-31=53', '61-53=8'] Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,47 unequal: No Solution Exploring Operation: 39*8=312, Resulting Numbers: [312] 312,47 unequal: No Solution Exploring Operation: 39+8=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[84, 39, 31, 61], Operations: [] Exploring Operation: 84-31=53, Resulting Numbers: [39, 61, 53] Generated Node #0,3: 47:[39, 61, 53] Operation: 84-31=53 Moving to Node #0,3 Current State: 47:[39, 61, 53], Operations: ['84-31=53'] Exploring Operation: 61-53=8, Resulting Numbers: [39, 8] Generated Node #0,3,3: 47:[39, 8] Operation: 61-53=8 Moving to Node #0,3,3 Current State: 47:[39, 8], Operations: ['84-31=53', '61-53=8'] Exploring Operation: 39+8=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 72, 87, 40, 56 ]
85
[ "72+40=112", "112/56=2", "87-2=85" ]
Current State: 85:[72, 87, 40, 56], Operations: [] Exploring Operation: 72+40=112, Resulting Numbers: [87, 56, 112] Generated Node #2: [87, 56, 112] from Operation: 72+40=112 Current State: 85:[87, 56, 112], Operations: ['72+40=112'] Exploring Operation: 112/56=2, Resulting Numbers: [87, 2] Generated Node #3: [87, 2] from Operation: 112/56=2 Current State: 85:[87, 2], Operations: ['72+40=112', '112/56=2'] Exploring Operation: 87-2=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[72, 87, 40, 56], Operations: [] Exploring Operation: 56-40=16, Resulting Numbers: [72, 87, 16] Generated Node #0,0: 85:[72, 87, 16] Operation: 56-40=16 Exploring Operation: 72-56=16, Resulting Numbers: [87, 40, 16] Generated Node #0,1: 85:[87, 40, 16] Operation: 72-56=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[72, 87, 16], Operations: ['56-40=16'] Exploring Operation: 72+16=88, Resulting Numbers: [87, 88] Generated Node #0,0,0: 85:[87, 88] Operation: 72+16=88 Exploring Operation: 87-72=15, Resulting Numbers: [16, 15] Generated Node #0,0,1: 85:[16, 15] Operation: 87-72=15 Moving to Node #0,0,1 Current State: 85:[16, 15], Operations: ['56-40=16', '87-72=15'] Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,85 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,85 unequal: No Solution Moving to Node #0,0,0 Current State: 85:[87, 88], Operations: ['56-40=16', '72+16=88'] Exploring Operation: 87+88=175, Resulting Numbers: [175] 175,85 unequal: No Solution Exploring Operation: 88-87=1, Resulting Numbers: [1] 1,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[87, 40, 16], Operations: ['72-56=16'] Exploring Operation: 87-40=47, Resulting Numbers: [16, 47] Generated Node #0,1,0: 85:[16, 47] Operation: 87-40=47 Exploring Operation: 40-16=24, Resulting Numbers: [87, 24] Generated Node #0,1,1: 85:[87, 24] Operation: 40-16=24 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 85:[87, 24], Operations: ['72-56=16', '40-16=24'] Exploring Operation: 87-24=63, Resulting Numbers: [63] 63,85 unequal: No Solution Exploring Operation: 87+24=111, Resulting Numbers: [111] 111,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 85:[16, 47], Operations: ['72-56=16', '87-40=47'] Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,85 unequal: No Solution Exploring Operation: 16+47=63, Resulting Numbers: [63] 63,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 90, 78, 83, 81 ]
45
[ "90-81=9", "83-78=5", "9*5=45" ]
Current State: 45:[90, 78, 83, 81], Operations: [] Exploring Operation: 90-81=9, Resulting Numbers: [78, 83, 9] Generated Node #2: [78, 83, 9] from Operation: 90-81=9 Current State: 45:[78, 83, 9], Operations: ['90-81=9'] Exploring Operation: 83-78=5, Resulting Numbers: [9, 5] Generated Node #3: [9, 5] from Operation: 83-78=5 Current State: 45:[9, 5], Operations: ['90-81=9', '83-78=5'] Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[90, 78, 83, 81], Operations: [] Exploring Operation: 90-83=7, Resulting Numbers: [78, 81, 7] Generated Node #0,0: 45:[78, 81, 7] Operation: 90-83=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[78, 81, 7], Operations: ['90-83=7'] Exploring Operation: 81-78=3, Resulting Numbers: [7, 3] Generated Node #0,0,0: 45:[7, 3] Operation: 81-78=3 Moving to Node #0,0,0 Current State: 45:[7, 3], Operations: ['90-83=7', '81-78=3'] Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 25, 35, 20, 10 ]
26
[ "25+35=60", "60/10=6", "20+6=26" ]
Current State: 26:[25, 35, 20, 10], Operations: [] Exploring Operation: 25+35=60, Resulting Numbers: [20, 10, 60] Generated Node #2: [20, 10, 60] from Operation: 25+35=60 Current State: 26:[20, 10, 60], Operations: ['25+35=60'] Exploring Operation: 60/10=6, Resulting Numbers: [20, 6] Generated Node #3: [20, 6] from Operation: 60/10=6 Current State: 26:[20, 6], Operations: ['25+35=60', '60/10=6'] Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[25, 35, 20, 10], Operations: [] Exploring Operation: 35-20=15, Resulting Numbers: [25, 10, 15] Generated Node #0,0: 26:[25, 10, 15] Operation: 35-20=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[25, 10, 15], Operations: ['35-20=15'] Exploring Operation: 10+15=25, Resulting Numbers: [25, 25] Generated Node #0,0,0: 26:[25, 25] Operation: 10+15=25 Moving to Node #0,0,0 Current State: 26:[25, 25], Operations: ['35-20=15', '10+15=25'] Exploring Operation: 25/25=1, Resulting Numbers: [1] 1,26 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
[ 68, 7, 76, 13 ]
13
[ "68+7=75", "76-75=1", "13*1=13" ]
Current State: 13:[68, 7, 76, 13], Operations: [] Exploring Operation: 68+7=75, Resulting Numbers: [76, 13, 75] Generated Node #2: [76, 13, 75] from Operation: 68+7=75 Current State: 13:[76, 13, 75], Operations: ['68+7=75'] Exploring Operation: 76-75=1, Resulting Numbers: [13, 1] Generated Node #3: [13, 1] from Operation: 76-75=1 Current State: 13:[13, 1], Operations: ['68+7=75', '76-75=1'] Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[68, 7, 76, 13], Operations: [] Exploring Operation: 68-13=55, Resulting Numbers: [7, 76, 55] Generated Node #0,0: 13:[7, 76, 55] Operation: 68-13=55 Exploring Operation: 76-13=63, Resulting Numbers: [68, 7, 63] Generated Node #0,1: 13:[68, 7, 63] Operation: 76-13=63 Exploring Operation: 76-7=69, Resulting Numbers: [68, 13, 69] Generated Node #0,2: 13:[68, 13, 69] Operation: 76-7=69 Exploring Operation: 68-7=61, Resulting Numbers: [76, 13, 61] Generated Node #0,3: 13:[76, 13, 61] Operation: 68-7=61 Exploring Operation: 76-68=8, Resulting Numbers: [7, 13, 8] Generated Node #0,4: 13:[7, 13, 8] Operation: 76-68=8 Start Sub Search at level 1: Moving to Node #0,4 Current State: 13:[7, 13, 8], Operations: ['76-68=8'] Exploring Operation: 13-7=6, Resulting Numbers: [8, 6] Generated Node #0,4,0: 13:[8, 6] Operation: 13-7=6 Exploring Operation: 8-7=1, Resulting Numbers: [13, 1] Generated Node #0,4,1: 13:[13, 1] Operation: 8-7=1 Exploring Operation: 7+13=20, Resulting Numbers: [8, 20] Generated Node #0,4,2: 13:[8, 20] Operation: 7+13=20 Exploring Operation: 7+8=15, Resulting Numbers: [13, 15] Generated Node #0,4,3: 13:[13, 15] Operation: 7+8=15 Exploring Operation: 13+8=21, Resulting Numbers: [7, 21] Generated Node #0,4,4: 13:[7, 21] Operation: 13+8=21 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 13:[13, 15], Operations: ['76-68=8', '7+8=15'] Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 13*15=195, Resulting Numbers: [195] 195,13 unequal: No Solution Exploring Operation: 13+15=28, Resulting Numbers: [28] 28,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 13:[8, 6], Operations: ['76-68=8', '13-7=6'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 13:[13, 1], Operations: ['76-68=8', '8-7=1'] Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[68, 7, 76, 13], Operations: [] Exploring Operation: 76-68=8, Resulting Numbers: [7, 13, 8] Generated Node #0,4: 13:[7, 13, 8] Operation: 76-68=8 Moving to Node #0,4 Current State: 13:[7, 13, 8], Operations: ['76-68=8'] Exploring Operation: 8-7=1, Resulting Numbers: [13, 1] Generated Node #0,4,1: 13:[13, 1] Operation: 8-7=1 Moving to Node #0,4,1 Current State: 13:[13, 1], Operations: ['76-68=8', '8-7=1'] Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 73, 49, 82, 96 ]
56
[ "73+49=122", "82+96=178", "178-122=56" ]
Current State: 56:[73, 49, 82, 96], Operations: [] Exploring Operation: 73+49=122, Resulting Numbers: [82, 96, 122] Generated Node #2: [82, 96, 122] from Operation: 73+49=122 Current State: 56:[82, 96, 122], Operations: ['73+49=122'] Exploring Operation: 82+96=178, Resulting Numbers: [122, 178] Generated Node #3: [122, 178] from Operation: 82+96=178 Current State: 56:[122, 178], Operations: ['73+49=122', '82+96=178'] Exploring Operation: 178-122=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[73, 49, 82, 96], Operations: [] Exploring Operation: 82-49=33, Resulting Numbers: [73, 96, 33] Generated Node #0,0: 56:[73, 96, 33] Operation: 82-49=33 Exploring Operation: 96-49=47, Resulting Numbers: [73, 82, 47] Generated Node #0,1: 56:[73, 82, 47] Operation: 96-49=47 Exploring Operation: 82-73=9, Resulting Numbers: [49, 96, 9] Generated Node #0,2: 56:[49, 96, 9] Operation: 82-73=9 Exploring Operation: 96-73=23, Resulting Numbers: [49, 82, 23] Generated Node #0,3: 56:[49, 82, 23] Operation: 96-73=23 Exploring Operation: 96-82=14, Resulting Numbers: [73, 49, 14] Generated Node #0,4: 56:[73, 49, 14] Operation: 96-82=14 Moving to Node #0,4 Current State: 56:[73, 49, 14], Operations: ['96-82=14'] Exploring Operation: 73+14=87, Resulting Numbers: [49, 87] Generated Node #0,4,0: 56:[49, 87] Operation: 73+14=87 Exploring Operation: 49-14=35, Resulting Numbers: [73, 35] Generated Node #0,4,1: 56:[73, 35] Operation: 49-14=35 Exploring Operation: 73-14=59, Resulting Numbers: [49, 59] Generated Node #0,4,2: 56:[49, 59] Operation: 73-14=59 Exploring Operation: 73-49=24, Resulting Numbers: [14, 24] Generated Node #0,4,3: 56:[14, 24] Operation: 73-49=24 Exploring Operation: 49+14=63, Resulting Numbers: [73, 63] Generated Node #0,4,4: 56:[73, 63] Operation: 49+14=63 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 56:[14, 24], Operations: ['96-82=14', '73-49=24'] Exploring Operation: 14*24=336, Resulting Numbers: [336] 336,56 unequal: No Solution Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,56 unequal: No Solution Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 56:[49, 59], Operations: ['96-82=14', '73-14=59'] Exploring Operation: 49+59=108, Resulting Numbers: [108] 108,56 unequal: No Solution Exploring Operation: 59-49=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 49*59=2891, Resulting Numbers: [2891] 2891,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 56:[73, 35], Operations: ['96-82=14', '49-14=35'] Exploring Operation: 73+35=108, Resulting Numbers: [108] 108,56 unequal: No Solution Exploring Operation: 73-35=38, Resulting Numbers: [38] 38,56 unequal: No Solution Exploring Operation: 73*35=2555, Resulting Numbers: [2555] 2555,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 56:[73, 63], Operations: ['96-82=14', '49+14=63'] Exploring Operation: 73+63=136, Resulting Numbers: [136] 136,56 unequal: No Solution Exploring Operation: 73-63=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 73*63=4599, Resulting Numbers: [4599] 4599,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 56:[49, 87], Operations: ['96-82=14', '73+14=87'] Exploring Operation: 87-49=38, Resulting Numbers: [38] 38,56 unequal: No Solution Exploring Operation: 49+87=136, Resulting Numbers: [136] 136,56 unequal: No Solution Exploring Operation: 49*87=4263, Resulting Numbers: [4263] 4263,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 56:[49, 82, 23], Operations: ['96-73=23'] Exploring Operation: 82-23=59, Resulting Numbers: [49, 59] Generated Node #0,3,0: 56:[49, 59] Operation: 82-23=59 Exploring Operation: 82-49=33, Resulting Numbers: [23, 33] Generated Node #0,3,1: 56:[23, 33] Operation: 82-49=33 Exploring Operation: 82+23=105, Resulting Numbers: [49, 105] Generated Node #0,3,2: 56:[49, 105] Operation: 82+23=105 Exploring Operation: 49+23=72, Resulting Numbers: [82, 72] Generated Node #0,3,3: 56:[82, 72] Operation: 49+23=72 Exploring Operation: 49-23=26, Resulting Numbers: [82, 26] Generated Node #0,3,4: 56:[82, 26] Operation: 49-23=26 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 56:[49, 59], Operations: ['96-73=23', '82-23=59'] Exploring Operation: 59-49=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 49*59=2891, Resulting Numbers: [2891] 2891,56 unequal: No Solution Exploring Operation: 49+59=108, Resulting Numbers: [108] 108,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 56:[23, 33], Operations: ['96-73=23', '82-49=33'] Exploring Operation: 23+33=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[73, 49, 82, 96], Operations: [] Exploring Operation: 96-73=23, Resulting Numbers: [49, 82, 23] Generated Node #0,3: 56:[49, 82, 23] Operation: 96-73=23 Moving to Node #0,3 Current State: 56:[49, 82, 23], Operations: ['96-73=23'] Exploring Operation: 82-49=33, Resulting Numbers: [23, 33] Generated Node #0,3,1: 56:[23, 33] Operation: 82-49=33 Moving to Node #0,3,1 Current State: 56:[23, 33], Operations: ['96-73=23', '82-49=33'] Exploring Operation: 23+33=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 29, 31, 84, 58 ]
11
[ "29*84=2436", "2436/58=42", "42-31=11" ]
Current State: 11:[29, 31, 84, 58], Operations: [] Exploring Operation: 29*84=2436, Resulting Numbers: [31, 58, 2436] Generated Node #2: [31, 58, 2436] from Operation: 29*84=2436 Current State: 11:[31, 58, 2436], Operations: ['29*84=2436'] Exploring Operation: 2436/58=42, Resulting Numbers: [31, 42] Generated Node #3: [31, 42] from Operation: 2436/58=42 Current State: 11:[31, 42], Operations: ['29*84=2436', '2436/58=42'] Exploring Operation: 42-31=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[29, 31, 84, 58], Operations: [] Exploring Operation: 84-58=26, Resulting Numbers: [29, 31, 26] Generated Node #0,0: 11:[29, 31, 26] Operation: 84-58=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[29, 31, 26], Operations: ['84-58=26'] Exploring Operation: 31-29=2, Resulting Numbers: [26, 2] Generated Node #0,0,0: 11:[26, 2] Operation: 31-29=2 Moving to Node #0,0,0 Current State: 11:[26, 2], Operations: ['84-58=26', '31-29=2'] Exploring Operation: 26/2=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_1
mult_heuristic
[ 73, 87, 56, 16 ]
26
[ "87-73=14", "56-16=40", "40-14=26" ]
Current State: 26:[73, 87, 56, 16], Operations: [] Exploring Operation: 87-73=14, Resulting Numbers: [56, 16, 14] Generated Node #2: [56, 16, 14] from Operation: 87-73=14 Current State: 26:[56, 16, 14], Operations: ['87-73=14'] Exploring Operation: 56-16=40, Resulting Numbers: [14, 40] Generated Node #3: [14, 40] from Operation: 56-16=40 Current State: 26:[14, 40], Operations: ['87-73=14', '56-16=40'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[73, 87, 56, 16], Operations: [] Exploring Operation: 73-56=17, Resulting Numbers: [87, 16, 17] Generated Node #0,0: 26:[87, 16, 17] Operation: 73-56=17 Exploring Operation: 87-56=31, Resulting Numbers: [73, 16, 31] Generated Node #0,1: 26:[73, 16, 31] Operation: 87-56=31 Exploring Operation: 73-16=57, Resulting Numbers: [87, 56, 57] Generated Node #0,2: 26:[87, 56, 57] Operation: 73-16=57 Exploring Operation: 87-73=14, Resulting Numbers: [56, 16, 14] Generated Node #0,3: 26:[56, 16, 14] Operation: 87-73=14 Start Sub Search at level 1: Moving to Node #0,3 Current State: 26:[56, 16, 14], Operations: ['87-73=14'] Exploring Operation: 56/14=4, Resulting Numbers: [16, 4] Generated Node #0,3,0: 26:[16, 4] Operation: 56/14=4 Exploring Operation: 56-16=40, Resulting Numbers: [14, 40] Generated Node #0,3,1: 26:[14, 40] Operation: 56-16=40 Exploring Operation: 56-14=42, Resulting Numbers: [16, 42] Generated Node #0,3,2: 26:[16, 42] Operation: 56-14=42 Exploring Operation: 16-14=2, Resulting Numbers: [56, 2] Generated Node #0,3,3: 26:[56, 2] Operation: 16-14=2 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 26:[16, 4], Operations: ['87-73=14', '56/14=4'] Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,26 unequal: No Solution Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,26 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,26 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,26 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 #0,3,1 Current State: 26:[14, 40], Operations: ['87-73=14', '56-16=40'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[73, 87, 56, 16], Operations: [] Exploring Operation: 87-73=14, Resulting Numbers: [56, 16, 14] Generated Node #0,3: 26:[56, 16, 14] Operation: 87-73=14 Moving to Node #0,3 Current State: 26:[56, 16, 14], Operations: ['87-73=14'] Exploring Operation: 56-16=40, Resulting Numbers: [14, 40] Generated Node #0,3,1: 26:[14, 40] Operation: 56-16=40 Moving to Node #0,3,1 Current State: 26:[14, 40], Operations: ['87-73=14', '56-16=40'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 76, 88, 77, 22 ]
43
[ "88-76=12", "77-22=55", "55-12=43" ]
Current State: 43:[76, 88, 77, 22], Operations: [] Exploring Operation: 88-76=12, Resulting Numbers: [77, 22, 12] Generated Node #2: [77, 22, 12] from Operation: 88-76=12 Current State: 43:[77, 22, 12], Operations: ['88-76=12'] Exploring Operation: 77-22=55, Resulting Numbers: [12, 55] Generated Node #3: [12, 55] from Operation: 77-22=55 Current State: 43:[12, 55], Operations: ['88-76=12', '77-22=55'] Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[76, 88, 77, 22], Operations: [] Exploring Operation: 88-77=11, Resulting Numbers: [76, 22, 11] Generated Node #0,0: 43:[76, 22, 11] Operation: 88-77=11 Exploring Operation: 88-76=12, Resulting Numbers: [77, 22, 12] Generated Node #0,1: 43:[77, 22, 12] Operation: 88-76=12 Moving to Node #0,0 Current State: 43:[76, 22, 11], Operations: ['88-77=11'] Exploring Operation: 76-11=65, Resulting Numbers: [22, 65] Generated Node #0,0,0: 43:[22, 65] Operation: 76-11=65 Exploring Operation: 76-22=54, Resulting Numbers: [11, 54] Generated Node #0,0,1: 43:[11, 54] Operation: 76-22=54 Moving to Node #0,1 Current State: 43:[77, 22, 12], Operations: ['88-76=12'] Exploring Operation: 77-22=55, Resulting Numbers: [12, 55] Generated Node #0,1,0: 43:[12, 55] Operation: 77-22=55 Exploring Operation: 77-12=65, Resulting Numbers: [22, 65] Generated Node #0,1,1: 43:[22, 65] Operation: 77-12=65 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 43:[12, 55], Operations: ['88-76=12', '77-22=55'] Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[76, 88, 77, 22], Operations: [] Exploring Operation: 88-76=12, Resulting Numbers: [77, 22, 12] Generated Node #0,1: 43:[77, 22, 12] Operation: 88-76=12 Moving to Node #0,1 Current State: 43:[77, 22, 12], Operations: ['88-76=12'] Exploring Operation: 77-22=55, Resulting Numbers: [12, 55] Generated Node #0,1,0: 43:[12, 55] Operation: 77-22=55 Moving to Node #0,1,0 Current State: 43:[12, 55], Operations: ['88-76=12', '77-22=55'] Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 45, 43, 14, 39 ]
51
[ "45-43=2", "14+39=53", "53-2=51" ]
Current State: 51:[45, 43, 14, 39], Operations: [] Exploring Operation: 45-43=2, Resulting Numbers: [14, 39, 2] Generated Node #2: [14, 39, 2] from Operation: 45-43=2 Current State: 51:[14, 39, 2], Operations: ['45-43=2'] Exploring Operation: 14+39=53, Resulting Numbers: [2, 53] Generated Node #3: [2, 53] from Operation: 14+39=53 Current State: 51:[2, 53], Operations: ['45-43=2', '14+39=53'] Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[45, 43, 14, 39], Operations: [] Exploring Operation: 43-39=4, Resulting Numbers: [45, 14, 4] Generated Node #0,0: 51:[45, 14, 4] Operation: 43-39=4 Moving to Node #0,0 Current State: 51:[45, 14, 4], Operations: ['43-39=4'] Exploring Operation: 45+4=49, Resulting Numbers: [14, 49] Generated Node #0,0,0: 51:[14, 49] Operation: 45+4=49 Moving to Node #0,0,0 Current State: 51:[14, 49], Operations: ['43-39=4', '45+4=49'] Exploring Operation: 14+49=63, Resulting Numbers: [63] 63,51 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 72, 36, 72, 52 ]
87
[ "72/72=1", "36+52=88", "88-1=87" ]
Current State: 87:[72, 36, 72, 52], Operations: [] Exploring Operation: 72/72=1, Resulting Numbers: [36, 52, 1] Generated Node #2: [36, 52, 1] from Operation: 72/72=1 Current State: 87:[36, 52, 1], Operations: ['72/72=1'] Exploring Operation: 36+52=88, Resulting Numbers: [1, 88] Generated Node #3: [1, 88] from Operation: 36+52=88 Current State: 87:[1, 88], Operations: ['72/72=1', '36+52=88'] Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[72, 36, 72, 52], Operations: [] Exploring Operation: 72-52=20, Resulting Numbers: [36, 72, 20] Generated Node #0,0: 87:[36, 72, 20] Operation: 72-52=20 Exploring Operation: 36+52=88, Resulting Numbers: [72, 72, 88] Generated Node #0,1: 87:[72, 72, 88] Operation: 36+52=88 Moving to Node #0,0 Current State: 87:[36, 72, 20], Operations: ['72-52=20'] Exploring Operation: 72+20=92, Resulting Numbers: [36, 92] Generated Node #0,0,0: 87:[36, 92] Operation: 72+20=92 Exploring Operation: 72/36=2, Resulting Numbers: [20, 2] Generated Node #0,0,1: 87:[20, 2] Operation: 72/36=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[20, 2], Operations: ['72-52=20', '72/36=2'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,87 unequal: No Solution No 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: 87:[36, 92], Operations: ['72-52=20', '72+20=92'] Exploring Operation: 36+92=128, Resulting Numbers: [128] 128,87 unequal: No Solution Exploring Operation: 92-36=56, Resulting Numbers: [56] 56,87 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: 87:[72, 72, 88], Operations: ['36+52=88'] Exploring Operation: 72/72=1, Resulting Numbers: [88, 1] Generated Node #0,1,0: 87:[88, 1] Operation: 72/72=1 Exploring Operation: 72-72=0, Resulting Numbers: [88, 0] Generated Node #0,1,1: 87:[88, 0] Operation: 72-72=0 Moving to Node #0,1,0 Current State: 87:[88, 1], Operations: ['36+52=88', '72/72=1'] Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[72, 36, 72, 52], Operations: [] Exploring Operation: 36+52=88, Resulting Numbers: [72, 72, 88] Generated Node #0,1: 87:[72, 72, 88] Operation: 36+52=88 Moving to Node #0,1 Current State: 87:[72, 72, 88], Operations: ['36+52=88'] Exploring Operation: 72/72=1, Resulting Numbers: [88, 1] Generated Node #0,1,0: 87:[88, 1] Operation: 72/72=1 Moving to Node #0,1,0 Current State: 87:[88, 1], Operations: ['36+52=88', '72/72=1'] Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 8, 64, 11, 80 ]
63
[ "80/8=10", "64-11=53", "10+53=63" ]
Current State: 63:[8, 64, 11, 80], Operations: [] Exploring Operation: 80/8=10, Resulting Numbers: [64, 11, 10] Generated Node #2: [64, 11, 10] from Operation: 80/8=10 Current State: 63:[64, 11, 10], Operations: ['80/8=10'] Exploring Operation: 64-11=53, Resulting Numbers: [10, 53] Generated Node #3: [10, 53] from Operation: 64-11=53 Current State: 63:[10, 53], Operations: ['80/8=10', '64-11=53'] Exploring Operation: 10+53=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[8, 64, 11, 80], Operations: [] Exploring Operation: 80/8=10, Resulting Numbers: [64, 11, 10] Generated Node #0,0: 63:[64, 11, 10] Operation: 80/8=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[64, 11, 10], Operations: ['80/8=10'] Exploring Operation: 11+10=21, Resulting Numbers: [64, 21] Generated Node #0,0,0: 63:[64, 21] Operation: 11+10=21 Moving to Node #0,0,0 Current State: 63:[64, 21], Operations: ['80/8=10', '11+10=21'] Exploring Operation: 64-21=43, Resulting Numbers: [43] 43,63 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
[ 8, 20, 29, 25 ]
52
[ "29-25=4", "8*4=32", "20+32=52" ]
Current State: 52:[8, 20, 29, 25], Operations: [] Exploring Operation: 29-25=4, Resulting Numbers: [8, 20, 4] Generated Node #2: [8, 20, 4] from Operation: 29-25=4 Current State: 52:[8, 20, 4], Operations: ['29-25=4'] Exploring Operation: 8*4=32, Resulting Numbers: [20, 32] Generated Node #3: [20, 32] from Operation: 8*4=32 Current State: 52:[20, 32], Operations: ['29-25=4', '8*4=32'] Exploring Operation: 20+32=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[8, 20, 29, 25], Operations: [] Exploring Operation: 25-20=5, Resulting Numbers: [8, 29, 5] Generated Node #0,0: 52:[8, 29, 5] Operation: 25-20=5 Exploring Operation: 20-8=12, Resulting Numbers: [29, 25, 12] Generated Node #0,1: 52:[29, 25, 12] Operation: 20-8=12 Exploring Operation: 20+29=49, Resulting Numbers: [8, 25, 49] Generated Node #0,2: 52:[8, 25, 49] Operation: 20+29=49 Exploring Operation: 8+20=28, Resulting Numbers: [29, 25, 28] Generated Node #0,3: 52:[29, 25, 28] Operation: 8+20=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[29, 25, 12], Operations: ['20-8=12'] Exploring Operation: 25-12=13, Resulting Numbers: [29, 13] Generated Node #0,1,0: 52:[29, 13] Operation: 25-12=13 Exploring Operation: 29+25=54, Resulting Numbers: [12, 54] Generated Node #0,1,1: 52:[12, 54] Operation: 29+25=54 Exploring Operation: 29-25=4, Resulting Numbers: [12, 4] Generated Node #0,1,2: 52:[12, 4] Operation: 29-25=4 Exploring Operation: 29-12=17, Resulting Numbers: [25, 17] Generated Node #0,1,3: 52:[25, 17] Operation: 29-12=17 Moving to Node #0,1,2 Current State: 52:[12, 4], Operations: ['20-8=12', '29-25=4'] Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,52 unequal: No Solution Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,52 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[12, 54], Operations: ['20-8=12', '29+25=54'] Exploring Operation: 54-12=42, Resulting Numbers: [42] 42,52 unequal: No Solution Exploring Operation: 12+54=66, Resulting Numbers: [66] 66,52 unequal: No Solution Exploring Operation: 12*54=648, Resulting Numbers: [648] 648,52 unequal: No Solution Moving to Node #0,1,0 Current State: 52:[29, 13], Operations: ['20-8=12', '25-12=13'] Exploring Operation: 29*13=377, Resulting Numbers: [377] 377,52 unequal: No Solution Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 29+13=42, Resulting Numbers: [42] 42,52 unequal: No Solution Moving to Node #0,1,3 Current State: 52:[25, 17], Operations: ['20-8=12', '29-12=17'] Exploring Operation: 25+17=42, Resulting Numbers: [42] 42,52 unequal: No Solution Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,52 unequal: No Solution Exploring Operation: 25*17=425, Resulting Numbers: [425] 425,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 52:[29, 25, 28], Operations: ['8+20=28'] Exploring Operation: 29-25=4, Resulting Numbers: [28, 4] Generated Node #0,3,0: 52:[28, 4] Operation: 29-25=4 Exploring Operation: 29+25=54, Resulting Numbers: [28, 54] Generated Node #0,3,1: 52:[28, 54] Operation: 29+25=54 Exploring Operation: 29-28=1, Resulting Numbers: [25, 1] Generated Node #0,3,2: 52:[25, 1] Operation: 29-28=1 Exploring Operation: 25+28=53, Resulting Numbers: [29, 53] Generated Node #0,3,3: 52:[29, 53] Operation: 25+28=53 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 52:[28, 4], Operations: ['8+20=28', '29-25=4'] Exploring Operation: 28*4=112, Resulting Numbers: [112] 112,52 unequal: No Solution Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,52 unequal: No Solution Exploring Operation: 28+4=32, Resulting Numbers: [32] 32,52 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,52 unequal: No Solution No 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: 52:[25, 1], Operations: ['8+20=28', '29-28=1'] Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,52 unequal: No Solution No 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: 52:[28, 54], Operations: ['8+20=28', '29+25=54'] Exploring Operation: 28+54=82, Resulting Numbers: [82] 82,52 unequal: No Solution Exploring Operation: 54-28=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 28*54=1512, Resulting Numbers: [1512] 1512,52 unequal: No Solution No 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: 52:[29, 53], Operations: ['8+20=28', '25+28=53'] Exploring Operation: 29*53=1537, Resulting Numbers: [1537] 1537,52 unequal: No Solution Exploring Operation: 53-29=24, Resulting Numbers: [24] 24,52 unequal: No Solution Exploring Operation: 29+53=82, Resulting Numbers: [82] 82,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[8, 29, 5], Operations: ['25-20=5'] Exploring Operation: 29-5=24, Resulting Numbers: [8, 24] Generated Node #0,0,0: 52:[8, 24] Operation: 29-5=24 Exploring Operation: 29-8=21, Resulting Numbers: [5, 21] Generated Node #0,0,1: 52:[5, 21] Operation: 29-8=21 Exploring Operation: 8-5=3, Resulting Numbers: [29, 3] Generated Node #0,0,2: 52:[29, 3] Operation: 8-5=3 Exploring Operation: 8+5=13, Resulting Numbers: [29, 13] Generated Node #0,0,3: 52:[29, 13] Operation: 8+5=13 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 52:[29, 13], Operations: ['25-20=5', '8+5=13'] Exploring Operation: 29+13=42, Resulting Numbers: [42] 42,52 unequal: No Solution Exploring Operation: 29*13=377, Resulting Numbers: [377] 377,52 unequal: No Solution Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,52 unequal: No Solution No 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: 52:[29, 3], Operations: ['25-20=5', '8-5=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,52 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,52 unequal: No Solution No 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: 52:[8, 24], Operations: ['25-20=5', '29-5=24'] Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 8*24=192, Resulting Numbers: [192] 192,52 unequal: No Solution Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,52 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,52 unequal: No Solution No 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: 52:[5, 21], Operations: ['25-20=5', '29-8=21'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 5*21=105, Resulting Numbers: [105] 105,52 unequal: No Solution Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[8, 25, 49], Operations: ['20+29=49'] Exploring Operation: 8+49=57, Resulting Numbers: [25, 57] Generated Node #0,2,0: 52:[25, 57] Operation: 8+49=57 Exploring Operation: 25-8=17, Resulting Numbers: [49, 17] Generated Node #0,2,1: 52:[49, 17] Operation: 25-8=17 Exploring Operation: 8+25=33, Resulting Numbers: [49, 33] Generated Node #0,2,2: 52:[49, 33] Operation: 8+25=33 Exploring Operation: 49-25=24, Resulting Numbers: [8, 24] Generated Node #0,2,3: 52:[8, 24] Operation: 49-25=24 Moving to Node #0,2,0 Current State: 52:[25, 57], Operations: ['20+29=49', '8+49=57'] Exploring Operation: 25+57=82, Resulting Numbers: [82] 82,52 unequal: No Solution Exploring Operation: 57-25=32, Resulting Numbers: [32] 32,52 unequal: No Solution Exploring Operation: 25*57=1425, Resulting Numbers: [1425] 1425,52 unequal: No Solution Moving to Node #0,2,3 Current State: 52:[8, 24], Operations: ['20+29=49', '49-25=24'] Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 8*24=192, Resulting Numbers: [192] 192,52 unequal: No Solution Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,52 unequal: No Solution Moving to Node #0,2,1 Current State: 52:[49, 17], Operations: ['20+29=49', '25-8=17'] Exploring Operation: 49-17=32, Resulting Numbers: [32] 32,52 unequal: No Solution Exploring Operation: 49+17=66, Resulting Numbers: [66] 66,52 unequal: No Solution Exploring Operation: 49*17=833, Resulting Numbers: [833] 833,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[49, 33], Operations: ['20+29=49', '8+25=33'] Exploring Operation: 49+33=82, Resulting Numbers: [82] 82,52 unequal: No Solution Exploring Operation: 49*33=1617, Resulting Numbers: [1617] 1617,52 unequal: No Solution Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 12, 4, 7, 35 ]
84
[ "12/4=3", "35-7=28", "3*28=84" ]
Current State: 84:[12, 4, 7, 35], Operations: [] Exploring Operation: 12/4=3, Resulting Numbers: [7, 35, 3] Generated Node #2: [7, 35, 3] from Operation: 12/4=3 Current State: 84:[7, 35, 3], Operations: ['12/4=3'] Exploring Operation: 35-7=28, Resulting Numbers: [3, 28] Generated Node #3: [3, 28] from Operation: 35-7=28 Current State: 84:[3, 28], Operations: ['12/4=3', '35-7=28'] Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[12, 4, 7, 35], Operations: [] Exploring Operation: 35/7=5, Resulting Numbers: [12, 4, 5] Generated Node #0,0: 84:[12, 4, 5] Operation: 35/7=5 Exploring Operation: 7+35=42, Resulting Numbers: [12, 4, 42] Generated Node #0,1: 84:[12, 4, 42] Operation: 7+35=42 Exploring Operation: 35-7=28, Resulting Numbers: [12, 4, 28] Generated Node #0,2: 84:[12, 4, 28] Operation: 35-7=28 Exploring Operation: 35-12=23, Resulting Numbers: [4, 7, 23] Generated Node #0,3: 84:[4, 7, 23] Operation: 35-12=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[12, 4, 42], Operations: ['7+35=42'] Exploring Operation: 12+4=16, Resulting Numbers: [42, 16] Generated Node #0,1,0: 84:[42, 16] Operation: 12+4=16 Exploring Operation: 42-12=30, Resulting Numbers: [4, 30] Generated Node #0,1,1: 84:[4, 30] Operation: 42-12=30 Exploring Operation: 12-4=8, Resulting Numbers: [42, 8] Generated Node #0,1,2: 84:[42, 8] Operation: 12-4=8 Exploring Operation: 12/4=3, Resulting Numbers: [42, 3] Generated Node #0,1,3: 84:[42, 3] Operation: 12/4=3 Moving to Node #0,1,3 Current State: 84:[42, 3], Operations: ['7+35=42', '12/4=3'] Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,84 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,84 unequal: No Solution Exploring Operation: 42*3=126, Resulting Numbers: [126] 126,84 unequal: No Solution Exploring Operation: 42+3=45, Resulting Numbers: [45] 45,84 unequal: No Solution Moving to Node #0,1,2 Current State: 84:[42, 8], Operations: ['7+35=42', '12-4=8'] Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,84 unequal: No Solution Exploring Operation: 42*8=336, Resulting Numbers: [336] 336,84 unequal: No Solution Exploring Operation: 42+8=50, Resulting Numbers: [50] 50,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[4, 30], Operations: ['7+35=42', '42-12=30'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,84 unequal: No Solution Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,84 unequal: No Solution Exploring Operation: 4*30=120, Resulting Numbers: [120] 120,84 unequal: No Solution Moving to Node #0,1,0 Current State: 84:[42, 16], Operations: ['7+35=42', '12+4=16'] Exploring Operation: 42*16=672, Resulting Numbers: [672] 672,84 unequal: No Solution Exploring Operation: 42-16=26, Resulting Numbers: [26] 26,84 unequal: No Solution Exploring Operation: 42+16=58, Resulting Numbers: [58] 58,84 unequal: No Solution No 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: 84:[12, 4, 28], Operations: ['35-7=28'] Exploring Operation: 12-4=8, Resulting Numbers: [28, 8] Generated Node #0,2,0: 84:[28, 8] Operation: 12-4=8 Exploring Operation: 12+4=16, Resulting Numbers: [28, 16] Generated Node #0,2,1: 84:[28, 16] Operation: 12+4=16 Exploring Operation: 28/4=7, Resulting Numbers: [12, 7] Generated Node #0,2,2: 84:[12, 7] Operation: 28/4=7 Exploring Operation: 12/4=3, Resulting Numbers: [28, 3] Generated Node #0,2,3: 84:[28, 3] Operation: 12/4=3 Moving to Node #0,2,2 Current State: 84:[12, 7], Operations: ['35-7=28', '28/4=7'] Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[12, 4, 7, 35], Operations: [] Exploring Operation: 35-7=28, Resulting Numbers: [12, 4, 28] Generated Node #0,2: 84:[12, 4, 28] Operation: 35-7=28 Moving to Node #0,2 Current State: 84:[12, 4, 28], Operations: ['35-7=28'] Exploring Operation: 28/4=7, Resulting Numbers: [12, 7] Generated Node #0,2,2: 84:[12, 7] Operation: 28/4=7 Moving to Node #0,2,2 Current State: 84:[12, 7], Operations: ['35-7=28', '28/4=7'] Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
mult_heuristic
[ 40, 56, 32, 36 ]
64
[ "56-40=16", "36-32=4", "16*4=64" ]
Current State: 64:[40, 56, 32, 36], Operations: [] Exploring Operation: 56-40=16, Resulting Numbers: [32, 36, 16] Generated Node #2: [32, 36, 16] from Operation: 56-40=16 Current State: 64:[32, 36, 16], Operations: ['56-40=16'] Exploring Operation: 36-32=4, Resulting Numbers: [16, 4] Generated Node #3: [16, 4] from Operation: 36-32=4 Current State: 64:[16, 4], Operations: ['56-40=16', '36-32=4'] Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[40, 56, 32, 36], Operations: [] Exploring Operation: 56-40=16, Resulting Numbers: [32, 36, 16] Generated Node #0,0: 64:[32, 36, 16] Operation: 56-40=16 Exploring Operation: 36-32=4, Resulting Numbers: [40, 56, 4] Generated Node #0,1: 64:[40, 56, 4] Operation: 36-32=4 Exploring Operation: 40-32=8, Resulting Numbers: [56, 36, 8] Generated Node #0,2: 64:[56, 36, 8] Operation: 40-32=8 Exploring Operation: 56-36=20, Resulting Numbers: [40, 32, 20] Generated Node #0,3: 64:[40, 32, 20] Operation: 56-36=20 Exploring Operation: 40-36=4, Resulting Numbers: [56, 32, 4] Generated Node #0,4: 64:[56, 32, 4] Operation: 40-36=4 Moving to Node #0,0 Current State: 64:[32, 36, 16], Operations: ['56-40=16'] Exploring Operation: 32+36=68, Resulting Numbers: [16, 68] Generated Node #0,0,0: 64:[16, 68] Operation: 32+36=68 Exploring Operation: 36-16=20, Resulting Numbers: [32, 20] Generated Node #0,0,1: 64:[32, 20] Operation: 36-16=20 Exploring Operation: 36-32=4, Resulting Numbers: [16, 4] Generated Node #0,0,2: 64:[16, 4] Operation: 36-32=4 Exploring Operation: 32-16=16, Resulting Numbers: [36, 16] Generated Node #0,0,3: 64:[36, 16] Operation: 32-16=16 Exploring Operation: 32/16=2, Resulting Numbers: [36, 2] Generated Node #0,0,4: 64:[36, 2] Operation: 32/16=2 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 64:[16, 4], Operations: ['56-40=16', '36-32=4'] Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,64 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,64 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,64 unequal: No Solution Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[40, 56, 32, 36], Operations: [] Exploring Operation: 56-40=16, Resulting Numbers: [32, 36, 16] Generated Node #0,0: 64:[32, 36, 16] Operation: 56-40=16 Moving to Node #0,0 Current State: 64:[32, 36, 16], Operations: ['56-40=16'] Exploring Operation: 36-32=4, Resulting Numbers: [16, 4] Generated Node #0,0,2: 64:[16, 4] Operation: 36-32=4 Moving to Node #0,0,2 Current State: 64:[16, 4], Operations: ['56-40=16', '36-32=4'] Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 52, 10, 24, 28 ]
36
[ "52-10=42", "24*42=1008", "1008/28=36" ]
Current State: 36:[52, 10, 24, 28], Operations: [] Exploring Operation: 52-10=42, Resulting Numbers: [24, 28, 42] Generated Node #2: [24, 28, 42] from Operation: 52-10=42 Current State: 36:[24, 28, 42], Operations: ['52-10=42'] Exploring Operation: 24*42=1008, Resulting Numbers: [28, 1008] Generated Node #3: [28, 1008] from Operation: 24*42=1008 Current State: 36:[28, 1008], Operations: ['52-10=42', '24*42=1008'] Exploring Operation: 1008/28=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[52, 10, 24, 28], Operations: [] Exploring Operation: 52-24=28, Resulting Numbers: [10, 28, 28] Generated Node #0,0: 36:[10, 28, 28] Operation: 52-24=28 Exploring Operation: 52-28=24, Resulting Numbers: [10, 24, 24] Generated Node #0,1: 36:[10, 24, 24] Operation: 52-28=24 Exploring Operation: 28-24=4, Resulting Numbers: [52, 10, 4] Generated Node #0,2: 36:[52, 10, 4] Operation: 28-24=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[10, 24, 24], Operations: ['52-28=24'] Exploring Operation: 10+24=34, Resulting Numbers: [24, 34] Generated Node #0,1,0: 36:[24, 34] Operation: 10+24=34 Exploring Operation: 24-24=0, Resulting Numbers: [10, 0] Generated Node #0,1,1: 36:[10, 0] Operation: 24-24=0 Exploring Operation: 24/24=1, Resulting Numbers: [10, 1] Generated Node #0,1,2: 36:[10, 1] Operation: 24/24=1 Moving to Node #0,1,2 Current State: 36:[10, 1], Operations: ['52-28=24', '24/24=1'] Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,36 unequal: No Solution Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,36 unequal: No Solution Moving to Node #0,1,1 Current State: 36:[10, 0], Operations: ['52-28=24', '24-24=0'] Exploring Operation: 10-0=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 10+0=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 10*0=0, Resulting Numbers: [0] 0,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[24, 34], Operations: ['52-28=24', '10+24=34'] Exploring Operation: 24+34=58, Resulting Numbers: [58] 58,36 unequal: No Solution Exploring Operation: 24*34=816, Resulting Numbers: [816] 816,36 unequal: No Solution Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[10, 28, 28], Operations: ['52-24=28'] Exploring Operation: 28/28=1, Resulting Numbers: [10, 1] Generated Node #0,0,0: 36:[10, 1] Operation: 28/28=1 Exploring Operation: 28-10=18, Resulting Numbers: [28, 18] Generated Node #0,0,1: 36:[28, 18] Operation: 28-10=18 Exploring Operation: 28-28=0, Resulting Numbers: [10, 0] Generated Node #0,0,2: 36:[10, 0] Operation: 28-28=0 Moving to Node #0,0,0 Current State: 36:[10, 1], Operations: ['52-24=28', '28/28=1'] Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,36 unequal: No Solution Moving to Node #0,0,2 Current State: 36:[10, 0], Operations: ['52-24=28', '28-28=0'] Exploring Operation: 10*0=0, Resulting Numbers: [0] 0,36 unequal: No Solution Exploring Operation: 10+0=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 10-0=10, Resulting Numbers: [10] 10,36 unequal: No Solution Moving to Node #0,0,1 Current State: 36:[28, 18], Operations: ['52-24=28', '28-10=18'] Exploring Operation: 28+18=46, Resulting Numbers: [46] 46,36 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 28*18=504, Resulting Numbers: [504] 504,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[52, 10, 4], Operations: ['28-24=4'] Exploring Operation: 52/4=13, Resulting Numbers: [10, 13] Generated Node #0,2,0: 36:[10, 13] Operation: 52/4=13 Exploring Operation: 52-4=48, Resulting Numbers: [10, 48] Generated Node #0,2,1: 36:[10, 48] Operation: 52-4=48 Exploring Operation: 52-10=42, Resulting Numbers: [4, 42] Generated Node #0,2,2: 36:[4, 42] Operation: 52-10=42 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 36:[10, 13], Operations: ['28-24=4', '52/4=13'] Exploring Operation: 10*13=130, Resulting Numbers: [130] 130,36 unequal: No Solution Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 10+13=23, Resulting Numbers: [23] 23,36 unequal: No Solution No 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: 36:[4, 42], Operations: ['28-24=4', '52-10=42'] Exploring Operation: 4*42=168, Resulting Numbers: [168] 168,36 unequal: No Solution Exploring Operation: 4+42=46, Resulting Numbers: [46] 46,36 unequal: No Solution Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,36 unequal: No Solution No 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: 36:[10, 48], Operations: ['28-24=4', '52-4=48'] Exploring Operation: 10*48=480, Resulting Numbers: [480] 480,36 unequal: No Solution Exploring Operation: 10+48=58, Resulting Numbers: [58] 58,36 unequal: No Solution Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 34, 13, 66, 6 ]
46
[ "34*13=442", "66*6=396", "442-396=46" ]
Current State: 46:[34, 13, 66, 6], Operations: [] Exploring Operation: 34*13=442, Resulting Numbers: [66, 6, 442] Generated Node #2: [66, 6, 442] from Operation: 34*13=442 Current State: 46:[66, 6, 442], Operations: ['34*13=442'] Exploring Operation: 66*6=396, Resulting Numbers: [442, 396] Generated Node #3: [442, 396] from Operation: 66*6=396 Current State: 46:[442, 396], Operations: ['34*13=442', '66*6=396'] Exploring Operation: 442-396=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[34, 13, 66, 6], Operations: [] Exploring Operation: 66-13=53, Resulting Numbers: [34, 6, 53] Generated Node #0,0: 46:[34, 6, 53] Operation: 66-13=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[34, 6, 53], Operations: ['66-13=53'] Exploring Operation: 53-34=19, Resulting Numbers: [6, 19] Generated Node #0,0,0: 46:[6, 19] Operation: 53-34=19 Moving to Node #0,0,0 Current State: 46:[6, 19], Operations: ['66-13=53', '53-34=19'] Exploring Operation: 6+19=25, Resulting Numbers: [25] 25,46 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
[ 29, 1, 72, 67 ]
35
[ "29+1=30", "72-67=5", "30+5=35" ]
Current State: 35:[29, 1, 72, 67], Operations: [] Exploring Operation: 29+1=30, Resulting Numbers: [72, 67, 30] Generated Node #2: [72, 67, 30] from Operation: 29+1=30 Current State: 35:[72, 67, 30], Operations: ['29+1=30'] Exploring Operation: 72-67=5, Resulting Numbers: [30, 5] Generated Node #3: [30, 5] from Operation: 72-67=5 Current State: 35:[30, 5], Operations: ['29+1=30', '72-67=5'] Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[29, 1, 72, 67], Operations: [] Exploring Operation: 72-29=43, Resulting Numbers: [1, 67, 43] Generated Node #0,0: 35:[1, 67, 43] Operation: 72-29=43 Exploring Operation: 72-67=5, Resulting Numbers: [29, 1, 5] Generated Node #0,1: 35:[29, 1, 5] Operation: 72-67=5 Moving to Node #0,1 Current State: 35:[29, 1, 5], Operations: ['72-67=5'] Exploring Operation: 29+5=34, Resulting Numbers: [1, 34] Generated Node #0,1,0: 35:[1, 34] Operation: 29+5=34 Exploring Operation: 29+1=30, Resulting Numbers: [5, 30] Generated Node #0,1,1: 35:[5, 30] Operation: 29+1=30 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[1, 34], Operations: ['72-67=5', '29+5=34'] Exploring Operation: 1+34=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[29, 1, 72, 67], Operations: [] Exploring Operation: 72-67=5, Resulting Numbers: [29, 1, 5] Generated Node #0,1: 35:[29, 1, 5] Operation: 72-67=5 Moving to Node #0,1 Current State: 35:[29, 1, 5], Operations: ['72-67=5'] Exploring Operation: 29+5=34, Resulting Numbers: [1, 34] Generated Node #0,1,0: 35:[1, 34] Operation: 29+5=34 Moving to Node #0,1,0 Current State: 35:[1, 34], Operations: ['72-67=5', '29+5=34'] Exploring Operation: 1+34=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 9, 52, 30, 24 ]
97
[ "52-9=43", "30+24=54", "43+54=97" ]
Current State: 97:[9, 52, 30, 24], Operations: [] Exploring Operation: 52-9=43, Resulting Numbers: [30, 24, 43] Generated Node #2: [30, 24, 43] from Operation: 52-9=43 Current State: 97:[30, 24, 43], Operations: ['52-9=43'] Exploring Operation: 30+24=54, Resulting Numbers: [43, 54] Generated Node #3: [43, 54] from Operation: 30+24=54 Current State: 97:[43, 54], Operations: ['52-9=43', '30+24=54'] Exploring Operation: 43+54=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[9, 52, 30, 24], Operations: [] Exploring Operation: 9+30=39, Resulting Numbers: [52, 24, 39] Generated Node #0,0: 97:[52, 24, 39] Operation: 9+30=39 Exploring Operation: 9+24=33, Resulting Numbers: [52, 30, 33] Generated Node #0,1: 97:[52, 30, 33] Operation: 9+24=33 Exploring Operation: 9+52=61, Resulting Numbers: [30, 24, 61] Generated Node #0,2: 97:[30, 24, 61] Operation: 9+52=61 Exploring Operation: 52+30=82, Resulting Numbers: [9, 24, 82] Generated Node #0,3: 97:[9, 24, 82] Operation: 52+30=82 Moving to Node #0,0 Current State: 97:[52, 24, 39], Operations: ['9+30=39'] Exploring Operation: 52-24=28, Resulting Numbers: [39, 28] Generated Node #0,0,0: 97:[39, 28] Operation: 52-24=28 Exploring Operation: 52+39=91, Resulting Numbers: [24, 91] Generated Node #0,0,1: 97:[24, 91] Operation: 52+39=91 Exploring Operation: 52+24=76, Resulting Numbers: [39, 76] Generated Node #0,0,2: 97:[39, 76] Operation: 52+24=76 Exploring Operation: 24+39=63, Resulting Numbers: [52, 63] Generated Node #0,0,3: 97:[52, 63] Operation: 24+39=63 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[24, 91], Operations: ['9+30=39', '52+39=91'] Exploring Operation: 91-24=67, Resulting Numbers: [67] 67,97 unequal: No Solution Exploring Operation: 24+91=115, Resulting Numbers: [115] 115,97 unequal: No Solution Exploring Operation: 24*91=2184, Resulting Numbers: [2184] 2184,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[39, 76], Operations: ['9+30=39', '52+24=76'] Exploring Operation: 39*76=2964, Resulting Numbers: [2964] 2964,97 unequal: No Solution Exploring Operation: 76-39=37, Resulting Numbers: [37] 37,97 unequal: No Solution Exploring Operation: 39+76=115, Resulting Numbers: [115] 115,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 97:[52, 63], Operations: ['9+30=39', '24+39=63'] Exploring Operation: 52+63=115, Resulting Numbers: [115] 115,97 unequal: No Solution Exploring Operation: 52*63=3276, Resulting Numbers: [3276] 3276,97 unequal: No Solution Exploring Operation: 63-52=11, Resulting Numbers: [11] 11,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[39, 28], Operations: ['9+30=39', '52-24=28'] Exploring Operation: 39+28=67, Resulting Numbers: [67] 67,97 unequal: No Solution Exploring Operation: 39*28=1092, Resulting Numbers: [1092] 1092,97 unequal: No Solution Exploring Operation: 39-28=11, Resulting Numbers: [11] 11,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 97:[30, 24, 61], Operations: ['9+52=61'] Exploring Operation: 30+61=91, Resulting Numbers: [24, 91] Generated Node #0,2,0: 97:[24, 91] Operation: 30+61=91 Exploring Operation: 30-24=6, Resulting Numbers: [61, 6] Generated Node #0,2,1: 97:[61, 6] Operation: 30-24=6 Exploring Operation: 24+61=85, Resulting Numbers: [30, 85] Generated Node #0,2,2: 97:[30, 85] Operation: 24+61=85 Exploring Operation: 30+24=54, Resulting Numbers: [61, 54] Generated Node #0,2,3: 97:[61, 54] Operation: 30+24=54 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 97:[24, 91], Operations: ['9+52=61', '30+61=91'] Exploring Operation: 24*91=2184, Resulting Numbers: [2184] 2184,97 unequal: No Solution Exploring Operation: 91-24=67, Resulting Numbers: [67] 67,97 unequal: No Solution Exploring Operation: 24+91=115, Resulting Numbers: [115] 115,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 97:[30, 85], Operations: ['9+52=61', '24+61=85'] Exploring Operation: 30*85=2550, Resulting Numbers: [2550] 2550,97 unequal: No Solution Exploring Operation: 85-30=55, Resulting Numbers: [55] 55,97 unequal: No Solution Exploring Operation: 30+85=115, Resulting Numbers: [115] 115,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 97:[61, 54], Operations: ['9+52=61', '30+24=54'] Exploring Operation: 61*54=3294, Resulting Numbers: [3294] 3294,97 unequal: No Solution Exploring Operation: 61+54=115, Resulting Numbers: [115] 115,97 unequal: No Solution Exploring Operation: 61-54=7, Resulting Numbers: [7] 7,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 97:[61, 6], Operations: ['9+52=61', '30-24=6'] Exploring Operation: 61+6=67, Resulting Numbers: [67] 67,97 unequal: No Solution Exploring Operation: 61*6=366, Resulting Numbers: [366] 366,97 unequal: No Solution Exploring Operation: 61-6=55, Resulting Numbers: [55] 55,97 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: 97:[52, 30, 33], Operations: ['9+24=33'] Exploring Operation: 30+33=63, Resulting Numbers: [52, 63] Generated Node #0,1,0: 97:[52, 63] Operation: 30+33=63 Exploring Operation: 52+33=85, Resulting Numbers: [30, 85] Generated Node #0,1,1: 97:[30, 85] Operation: 52+33=85 Exploring Operation: 52-30=22, Resulting Numbers: [33, 22] Generated Node #0,1,2: 97:[33, 22] Operation: 52-30=22 Exploring Operation: 52+30=82, Resulting Numbers: [33, 82] Generated Node #0,1,3: 97:[33, 82] Operation: 52+30=82 Moving to Node #0,3 Current State: 97:[9, 24, 82], Operations: ['52+30=82'] Exploring Operation: 82-9=73, Resulting Numbers: [24, 73] Generated Node #0,3,0: 97:[24, 73] Operation: 82-9=73 Exploring Operation: 24-9=15, Resulting Numbers: [82, 15] Generated Node #0,3,1: 97:[82, 15] Operation: 24-9=15 Exploring Operation: 9+24=33, Resulting Numbers: [82, 33] Generated Node #0,3,2: 97:[82, 33] Operation: 9+24=33 Exploring Operation: 9+82=91, Resulting Numbers: [24, 91] Generated Node #0,3,3: 97:[24, 91] Operation: 9+82=91 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 97:[82, 33], Operations: ['52+30=82', '9+24=33'] Exploring Operation: 82-33=49, Resulting Numbers: [49] 49,97 unequal: No Solution Exploring Operation: 82+33=115, Resulting Numbers: [115] 115,97 unequal: No Solution Exploring Operation: 82*33=2706, Resulting Numbers: [2706] 2706,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 97:[24, 91], Operations: ['52+30=82', '9+82=91'] Exploring Operation: 24*91=2184, Resulting Numbers: [2184] 2184,97 unequal: No Solution Exploring Operation: 24+91=115, Resulting Numbers: [115] 115,97 unequal: No Solution Exploring Operation: 91-24=67, Resulting Numbers: [67] 67,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 97:[24, 73], Operations: ['52+30=82', '82-9=73'] Exploring Operation: 24+73=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[9, 52, 30, 24], Operations: [] Exploring Operation: 52+30=82, Resulting Numbers: [9, 24, 82] Generated Node #0,3: 97:[9, 24, 82] Operation: 52+30=82 Moving to Node #0,3 Current State: 97:[9, 24, 82], Operations: ['52+30=82'] Exploring Operation: 82-9=73, Resulting Numbers: [24, 73] Generated Node #0,3,0: 97:[24, 73] Operation: 82-9=73 Moving to Node #0,3,0 Current State: 97:[24, 73], Operations: ['52+30=82', '82-9=73'] Exploring Operation: 24+73=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.952257
hs_4
sum_heuristic
[ 40, 37, 93, 83 ]
96
[ "37+83=120", "120/40=3", "93+3=96" ]
Current State: 96:[40, 37, 93, 83], Operations: [] Exploring Operation: 37+83=120, Resulting Numbers: [40, 93, 120] Generated Node #2: [40, 93, 120] from Operation: 37+83=120 Current State: 96:[40, 93, 120], Operations: ['37+83=120'] Exploring Operation: 120/40=3, Resulting Numbers: [93, 3] Generated Node #3: [93, 3] from Operation: 120/40=3 Current State: 96:[93, 3], Operations: ['37+83=120', '120/40=3'] Exploring Operation: 93+3=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[40, 37, 93, 83], Operations: [] Exploring Operation: 93-83=10, Resulting Numbers: [40, 37, 10] Generated Node #0,0: 96:[40, 37, 10] Operation: 93-83=10 Exploring Operation: 83-40=43, Resulting Numbers: [37, 93, 43] Generated Node #0,1: 96:[37, 93, 43] Operation: 83-40=43 Exploring Operation: 83-37=46, Resulting Numbers: [40, 93, 46] Generated Node #0,2: 96:[40, 93, 46] Operation: 83-37=46 Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[37, 93, 43], Operations: ['83-40=43'] Exploring Operation: 93-43=50, Resulting Numbers: [37, 50] Generated Node #0,1,0: 96:[37, 50] Operation: 93-43=50 Exploring Operation: 43-37=6, Resulting Numbers: [93, 6] Generated Node #0,1,1: 96:[93, 6] Operation: 43-37=6 Exploring Operation: 93-37=56, Resulting Numbers: [43, 56] Generated Node #0,1,2: 96:[43, 56] Operation: 93-37=56 Moving to Node #0,1,1 Current State: 96:[93, 6], Operations: ['83-40=43', '43-37=6'] Exploring Operation: 93+6=99, Resulting Numbers: [99] 99,96 unequal: No Solution Exploring Operation: 93*6=558, Resulting Numbers: [558] 558,96 unequal: No Solution Exploring Operation: 93-6=87, Resulting Numbers: [87] 87,96 unequal: No Solution Moving to Node #0,1,0 Current State: 96:[37, 50], Operations: ['83-40=43', '93-43=50'] Exploring Operation: 37*50=1850, Resulting Numbers: [1850] 1850,96 unequal: No Solution Exploring Operation: 50-37=13, Resulting Numbers: [13] 13,96 unequal: No Solution Exploring Operation: 37+50=87, Resulting Numbers: [87] 87,96 unequal: No Solution Moving to Node #0,1,2 Current State: 96:[43, 56], Operations: ['83-40=43', '93-37=56'] Exploring Operation: 43*56=2408, Resulting Numbers: [2408] 2408,96 unequal: No Solution Exploring Operation: 43+56=99, Resulting Numbers: [99] 99,96 unequal: No Solution Exploring Operation: 56-43=13, Resulting Numbers: [13] 13,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 96:[40, 93, 46], Operations: ['83-37=46'] Exploring Operation: 46-40=6, Resulting Numbers: [93, 6] Generated Node #0,2,0: 96:[93, 6] Operation: 46-40=6 Exploring Operation: 93-46=47, Resulting Numbers: [40, 47] Generated Node #0,2,1: 96:[40, 47] Operation: 93-46=47 Exploring Operation: 93-40=53, Resulting Numbers: [46, 53] Generated Node #0,2,2: 96:[46, 53] Operation: 93-40=53 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 96:[93, 6], Operations: ['83-37=46', '46-40=6'] Exploring Operation: 93-6=87, Resulting Numbers: [87] 87,96 unequal: No Solution Exploring Operation: 93*6=558, Resulting Numbers: [558] 558,96 unequal: No Solution Exploring Operation: 93+6=99, Resulting Numbers: [99] 99,96 unequal: No Solution No 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: 96:[46, 53], Operations: ['83-37=46', '93-40=53'] Exploring Operation: 53-46=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 46*53=2438, Resulting Numbers: [2438] 2438,96 unequal: No Solution Exploring Operation: 46+53=99, Resulting Numbers: [99] 99,96 unequal: No Solution No 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: 96:[40, 47], Operations: ['83-37=46', '93-46=47'] Exploring Operation: 40*47=1880, Resulting Numbers: [1880] 1880,96 unequal: No Solution Exploring Operation: 47-40=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 40+47=87, Resulting Numbers: [87] 87,96 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: 96:[40, 37, 10], Operations: ['93-83=10'] Exploring Operation: 40/10=4, Resulting Numbers: [37, 4] Generated Node #0,0,0: 96:[37, 4] Operation: 40/10=4 Exploring Operation: 40+10=50, Resulting Numbers: [37, 50] Generated Node #0,0,1: 96:[37, 50] Operation: 40+10=50 Exploring Operation: 40-37=3, Resulting Numbers: [10, 3] Generated Node #0,0,2: 96:[10, 3] Operation: 40-37=3 Moving to Node #0,0,2 Current State: 96:[10, 3], Operations: ['93-83=10', '40-37=3'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,96 unequal: No Solution Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,96 unequal: No Solution Moving to Node #0,0,0 Current State: 96:[37, 4], Operations: ['93-83=10', '40/10=4'] Exploring Operation: 37+4=41, Resulting Numbers: [41] 41,96 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,96 unequal: No Solution Exploring Operation: 37*4=148, Resulting Numbers: [148] 148,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[37, 50], Operations: ['93-83=10', '40+10=50'] Exploring Operation: 37+50=87, Resulting Numbers: [87] 87,96 unequal: No Solution Exploring Operation: 50-37=13, Resulting Numbers: [13] 13,96 unequal: No Solution Exploring Operation: 37*50=1850, Resulting Numbers: [1850] 1850,96 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
[ 12, 7, 30, 94 ]
83
[ "12+7=19", "94-30=64", "19+64=83" ]
Current State: 83:[12, 7, 30, 94], Operations: [] Exploring Operation: 12+7=19, Resulting Numbers: [30, 94, 19] Generated Node #2: [30, 94, 19] from Operation: 12+7=19 Current State: 83:[30, 94, 19], Operations: ['12+7=19'] Exploring Operation: 94-30=64, Resulting Numbers: [19, 64] Generated Node #3: [19, 64] from Operation: 94-30=64 Current State: 83:[19, 64], Operations: ['12+7=19', '94-30=64'] Exploring Operation: 19+64=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[12, 7, 30, 94], Operations: [] Exploring Operation: 12+30=42, Resulting Numbers: [7, 94, 42] Generated Node #0,0: 83:[7, 94, 42] Operation: 12+30=42 Exploring Operation: 12*7=84, Resulting Numbers: [30, 94, 84] Generated Node #0,1: 83:[30, 94, 84] Operation: 12*7=84 Exploring Operation: 7+30=37, Resulting Numbers: [12, 94, 37] Generated Node #0,2: 83:[12, 94, 37] Operation: 7+30=37 Exploring Operation: 12+7=19, Resulting Numbers: [30, 94, 19] Generated Node #0,3: 83:[30, 94, 19] Operation: 12+7=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[30, 94, 84], Operations: ['12*7=84'] Exploring Operation: 30+84=114, Resulting Numbers: [94, 114] Generated Node #0,1,0: 83:[94, 114] Operation: 30+84=114 Exploring Operation: 84-30=54, Resulting Numbers: [94, 54] Generated Node #0,1,1: 83:[94, 54] Operation: 84-30=54 Exploring Operation: 94-30=64, Resulting Numbers: [84, 64] Generated Node #0,1,2: 83:[84, 64] Operation: 94-30=64 Exploring Operation: 30+94=124, Resulting Numbers: [84, 124] Generated Node #0,1,3: 83:[84, 124] Operation: 30+94=124 Moving to Node #0,1,2 Current State: 83:[84, 64], Operations: ['12*7=84', '94-30=64'] Exploring Operation: 84*64=5376, Resulting Numbers: [5376] 5376,83 unequal: No Solution Exploring Operation: 84-64=20, Resulting Numbers: [20] 20,83 unequal: No Solution Exploring Operation: 84+64=148, Resulting Numbers: [148] 148,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[94, 54], Operations: ['12*7=84', '84-30=54'] Exploring Operation: 94+54=148, Resulting Numbers: [148] 148,83 unequal: No Solution Exploring Operation: 94*54=5076, Resulting Numbers: [5076] 5076,83 unequal: No Solution Exploring Operation: 94-54=40, Resulting Numbers: [40] 40,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[84, 124], Operations: ['12*7=84', '30+94=124'] Exploring Operation: 84+124=208, Resulting Numbers: [208] 208,83 unequal: No Solution Exploring Operation: 124-84=40, Resulting Numbers: [40] 40,83 unequal: No Solution Exploring Operation: 84*124=10416, Resulting Numbers: [10416] 10416,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[94, 114], Operations: ['12*7=84', '30+84=114'] Exploring Operation: 94+114=208, Resulting Numbers: [208] 208,83 unequal: No Solution Exploring Operation: 94*114=10716, Resulting Numbers: [10716] 10716,83 unequal: No Solution Exploring Operation: 114-94=20, Resulting Numbers: [20] 20,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[7, 94, 42], Operations: ['12+30=42'] Exploring Operation: 7+42=49, Resulting Numbers: [94, 49] Generated Node #0,0,0: 83:[94, 49] Operation: 7+42=49 Exploring Operation: 94-7=87, Resulting Numbers: [42, 87] Generated Node #0,0,1: 83:[42, 87] Operation: 94-7=87 Exploring Operation: 7+94=101, Resulting Numbers: [42, 101] Generated Node #0,0,2: 83:[42, 101] Operation: 7+94=101 Exploring Operation: 42-7=35, Resulting Numbers: [94, 35] Generated Node #0,0,3: 83:[94, 35] Operation: 42-7=35 Moving to Node #0,0,0 Current State: 83:[94, 49], Operations: ['12+30=42', '7+42=49'] Exploring Operation: 94*49=4606, Resulting Numbers: [4606] 4606,83 unequal: No Solution Exploring Operation: 94-49=45, Resulting Numbers: [45] 45,83 unequal: No Solution Exploring Operation: 94+49=143, Resulting Numbers: [143] 143,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[42, 87], Operations: ['12+30=42', '94-7=87'] Exploring Operation: 87-42=45, Resulting Numbers: [45] 45,83 unequal: No Solution Exploring Operation: 42*87=3654, Resulting Numbers: [3654] 3654,83 unequal: No Solution Exploring Operation: 42+87=129, Resulting Numbers: [129] 129,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[94, 35], Operations: ['12+30=42', '42-7=35'] Exploring Operation: 94+35=129, Resulting Numbers: [129] 129,83 unequal: No Solution Exploring Operation: 94*35=3290, Resulting Numbers: [3290] 3290,83 unequal: No Solution Exploring Operation: 94-35=59, Resulting Numbers: [59] 59,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[42, 101], Operations: ['12+30=42', '7+94=101'] Exploring Operation: 101-42=59, Resulting Numbers: [59] 59,83 unequal: No Solution Exploring Operation: 42+101=143, Resulting Numbers: [143] 143,83 unequal: No Solution Exploring Operation: 42*101=4242, Resulting Numbers: [4242] 4242,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[12, 94, 37], Operations: ['7+30=37'] Exploring Operation: 94-12=82, Resulting Numbers: [37, 82] Generated Node #0,2,0: 83:[37, 82] Operation: 94-12=82 Exploring Operation: 37-12=25, Resulting Numbers: [94, 25] Generated Node #0,2,1: 83:[94, 25] Operation: 37-12=25 Exploring Operation: 12+37=49, Resulting Numbers: [94, 49] Generated Node #0,2,2: 83:[94, 49] Operation: 12+37=49 Exploring Operation: 12+94=106, Resulting Numbers: [37, 106] Generated Node #0,2,3: 83:[37, 106] Operation: 12+94=106 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 83:[94, 49], Operations: ['7+30=37', '12+37=49'] Exploring Operation: 94+49=143, Resulting Numbers: [143] 143,83 unequal: No Solution Exploring Operation: 94*49=4606, Resulting Numbers: [4606] 4606,83 unequal: No Solution Exploring Operation: 94-49=45, Resulting Numbers: [45] 45,83 unequal: No Solution No 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: 83:[37, 82], Operations: ['7+30=37', '94-12=82'] Exploring Operation: 37+82=119, Resulting Numbers: [119] 119,83 unequal: No Solution Exploring Operation: 37*82=3034, Resulting Numbers: [3034] 3034,83 unequal: No Solution Exploring Operation: 82-37=45, Resulting Numbers: [45] 45,83 unequal: No Solution No 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: 83:[94, 25], Operations: ['7+30=37', '37-12=25'] Exploring Operation: 94-25=69, Resulting Numbers: [69] 69,83 unequal: No Solution Exploring Operation: 94*25=2350, Resulting Numbers: [2350] 2350,83 unequal: No Solution Exploring Operation: 94+25=119, Resulting Numbers: [119] 119,83 unequal: No Solution No 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: 83:[37, 106], Operations: ['7+30=37', '12+94=106'] Exploring Operation: 106-37=69, Resulting Numbers: [69] 69,83 unequal: No Solution Exploring Operation: 37*106=3922, Resulting Numbers: [3922] 3922,83 unequal: No Solution Exploring Operation: 37+106=143, Resulting Numbers: [143] 143,83 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: 83:[30, 94, 19], Operations: ['12+7=19'] Exploring Operation: 94-30=64, Resulting Numbers: [19, 64] Generated Node #0,3,0: 83:[19, 64] Operation: 94-30=64 Exploring Operation: 30-19=11, Resulting Numbers: [94, 11] Generated Node #0,3,1: 83:[94, 11] Operation: 30-19=11 Exploring Operation: 30+19=49, Resulting Numbers: [94, 49] Generated Node #0,3,2: 83:[94, 49] Operation: 30+19=49 Exploring Operation: 94-19=75, Resulting Numbers: [30, 75] Generated Node #0,3,3: 83:[30, 75] Operation: 94-19=75 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 83:[94, 49], Operations: ['12+7=19', '30+19=49'] Exploring Operation: 94*49=4606, Resulting Numbers: [4606] 4606,83 unequal: No Solution Exploring Operation: 94+49=143, Resulting Numbers: [143] 143,83 unequal: No Solution Exploring Operation: 94-49=45, Resulting Numbers: [45] 45,83 unequal: No Solution No 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: 83:[30, 75], Operations: ['12+7=19', '94-19=75'] Exploring Operation: 30*75=2250, Resulting Numbers: [2250] 2250,83 unequal: No Solution Exploring Operation: 30+75=105, Resulting Numbers: [105] 105,83 unequal: No Solution Exploring Operation: 75-30=45, Resulting Numbers: [45] 45,83 unequal: No Solution No 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: 83:[19, 64], Operations: ['12+7=19', '94-30=64'] Exploring Operation: 19+64=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[12, 7, 30, 94], Operations: [] Exploring Operation: 12+7=19, Resulting Numbers: [30, 94, 19] Generated Node #0,3: 83:[30, 94, 19] Operation: 12+7=19 Moving to Node #0,3 Current State: 83:[30, 94, 19], Operations: ['12+7=19'] Exploring Operation: 94-30=64, Resulting Numbers: [19, 64] Generated Node #0,3,0: 83:[19, 64] Operation: 94-30=64 Moving to Node #0,3,0 Current State: 83:[19, 64], Operations: ['12+7=19', '94-30=64'] Exploring Operation: 19+64=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.94184
hs_4
mult_heuristic
[ 57, 14, 95, 84 ]
97
[ "95-84=11", "14*11=154", "154-57=97" ]
Current State: 97:[57, 14, 95, 84], Operations: [] Exploring Operation: 95-84=11, Resulting Numbers: [57, 14, 11] Generated Node #2: [57, 14, 11] from Operation: 95-84=11 Current State: 97:[57, 14, 11], Operations: ['95-84=11'] Exploring Operation: 14*11=154, Resulting Numbers: [57, 154] Generated Node #3: [57, 154] from Operation: 14*11=154 Current State: 97:[57, 154], Operations: ['95-84=11', '14*11=154'] Exploring Operation: 154-57=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[57, 14, 95, 84], Operations: [] Exploring Operation: 57+14=71, Resulting Numbers: [95, 84, 71] Generated Node #0,0: 97:[95, 84, 71] Operation: 57+14=71 Exploring Operation: 57-14=43, Resulting Numbers: [95, 84, 43] Generated Node #0,1: 97:[95, 84, 43] Operation: 57-14=43 Exploring Operation: 14+84=98, Resulting Numbers: [57, 95, 98] Generated Node #0,2: 97:[57, 95, 98] Operation: 14+84=98 Exploring Operation: 14+95=109, Resulting Numbers: [57, 84, 109] Generated Node #0,3: 97:[57, 84, 109] Operation: 14+95=109 Moving to Node #0,0 Current State: 97:[95, 84, 71], Operations: ['57+14=71'] Exploring Operation: 84-71=13, Resulting Numbers: [95, 13] Generated Node #0,0,0: 97:[95, 13] Operation: 84-71=13 Exploring Operation: 84+71=155, Resulting Numbers: [95, 155] Generated Node #0,0,1: 97:[95, 155] Operation: 84+71=155 Exploring Operation: 95+71=166, Resulting Numbers: [84, 166] Generated Node #0,0,2: 97:[84, 166] Operation: 95+71=166 Exploring Operation: 95-71=24, Resulting Numbers: [84, 24] Generated Node #0,0,3: 97:[84, 24] Operation: 95-71=24 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[95, 155], Operations: ['57+14=71', '84+71=155'] Exploring Operation: 155-95=60, Resulting Numbers: [60] 60,97 unequal: No Solution Exploring Operation: 95+155=250, Resulting Numbers: [250] 250,97 unequal: No Solution Exploring Operation: 95*155=14725, Resulting Numbers: [14725] 14725,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[84, 166], Operations: ['57+14=71', '95+71=166'] Exploring Operation: 166-84=82, Resulting Numbers: [82] 82,97 unequal: No Solution Exploring Operation: 84*166=13944, Resulting Numbers: [13944] 13944,97 unequal: No Solution Exploring Operation: 84+166=250, Resulting Numbers: [250] 250,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[95, 13], Operations: ['57+14=71', '84-71=13'] Exploring Operation: 95+13=108, Resulting Numbers: [108] 108,97 unequal: No Solution Exploring Operation: 95*13=1235, Resulting Numbers: [1235] 1235,97 unequal: No Solution Exploring Operation: 95-13=82, Resulting Numbers: [82] 82,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 97:[84, 24], Operations: ['57+14=71', '95-71=24'] Exploring Operation: 84+24=108, Resulting Numbers: [108] 108,97 unequal: No Solution Exploring Operation: 84-24=60, Resulting Numbers: [60] 60,97 unequal: No Solution Exploring Operation: 84*24=2016, Resulting Numbers: [2016] 2016,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 97:[57, 95, 98], Operations: ['14+84=98'] Exploring Operation: 57+98=155, Resulting Numbers: [95, 155] Generated Node #0,2,0: 97:[95, 155] Operation: 57+98=155 Exploring Operation: 95-57=38, Resulting Numbers: [98, 38] Generated Node #0,2,1: 97:[98, 38] Operation: 95-57=38 Exploring Operation: 98-57=41, Resulting Numbers: [95, 41] Generated Node #0,2,2: 97:[95, 41] Operation: 98-57=41 Exploring Operation: 57+95=152, Resulting Numbers: [98, 152] Generated Node #0,2,3: 97:[98, 152] Operation: 57+95=152 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 97:[98, 152], Operations: ['14+84=98', '57+95=152'] Exploring Operation: 98*152=14896, Resulting Numbers: [14896] 14896,97 unequal: No Solution Exploring Operation: 98+152=250, Resulting Numbers: [250] 250,97 unequal: No Solution Exploring Operation: 152-98=54, Resulting Numbers: [54] 54,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 97:[95, 41], Operations: ['14+84=98', '98-57=41'] Exploring Operation: 95-41=54, Resulting Numbers: [54] 54,97 unequal: No Solution Exploring Operation: 95*41=3895, Resulting Numbers: [3895] 3895,97 unequal: No Solution Exploring Operation: 95+41=136, Resulting Numbers: [136] 136,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 97:[95, 155], Operations: ['14+84=98', '57+98=155'] Exploring Operation: 155-95=60, Resulting Numbers: [60] 60,97 unequal: No Solution Exploring Operation: 95*155=14725, Resulting Numbers: [14725] 14725,97 unequal: No Solution Exploring Operation: 95+155=250, Resulting Numbers: [250] 250,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 97:[98, 38], Operations: ['14+84=98', '95-57=38'] Exploring Operation: 98-38=60, Resulting Numbers: [60] 60,97 unequal: No Solution Exploring Operation: 98*38=3724, Resulting Numbers: [3724] 3724,97 unequal: No Solution Exploring Operation: 98+38=136, Resulting Numbers: [136] 136,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 97:[57, 84, 109], Operations: ['14+95=109'] Exploring Operation: 57+84=141, Resulting Numbers: [109, 141] Generated Node #0,3,0: 97:[109, 141] Operation: 57+84=141 Exploring Operation: 84-57=27, Resulting Numbers: [109, 27] Generated Node #0,3,1: 97:[109, 27] Operation: 84-57=27 Exploring Operation: 57+109=166, Resulting Numbers: [84, 166] Generated Node #0,3,2: 97:[84, 166] Operation: 57+109=166 Exploring Operation: 109-57=52, Resulting Numbers: [84, 52] Generated Node #0,3,3: 97:[84, 52] Operation: 109-57=52 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 97:[109, 141], Operations: ['14+95=109', '57+84=141'] Exploring Operation: 109+141=250, Resulting Numbers: [250] 250,97 unequal: No Solution Exploring Operation: 109*141=15369, Resulting Numbers: [15369] 15369,97 unequal: No Solution Exploring Operation: 141-109=32, Resulting Numbers: [32] 32,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 97:[84, 52], Operations: ['14+95=109', '109-57=52'] Exploring Operation: 84*52=4368, Resulting Numbers: [4368] 4368,97 unequal: No Solution Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,97 unequal: No Solution Exploring Operation: 84+52=136, Resulting Numbers: [136] 136,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 97:[109, 27], Operations: ['14+95=109', '84-57=27'] Exploring Operation: 109-27=82, Resulting Numbers: [82] 82,97 unequal: No Solution Exploring Operation: 109*27=2943, Resulting Numbers: [2943] 2943,97 unequal: No Solution Exploring Operation: 109+27=136, Resulting Numbers: [136] 136,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 97:[84, 166], Operations: ['14+95=109', '57+109=166'] Exploring Operation: 84*166=13944, Resulting Numbers: [13944] 13944,97 unequal: No Solution Exploring Operation: 166-84=82, Resulting Numbers: [82] 82,97 unequal: No Solution Exploring Operation: 84+166=250, Resulting Numbers: [250] 250,97 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: 97:[95, 84, 43], Operations: ['57-14=43'] Exploring Operation: 95+43=138, Resulting Numbers: [84, 138] Generated Node #0,1,0: 97:[84, 138] Operation: 95+43=138 Exploring Operation: 84-43=41, Resulting Numbers: [95, 41] Generated Node #0,1,1: 97:[95, 41] Operation: 84-43=41 Exploring Operation: 95-43=52, Resulting Numbers: [84, 52] Generated Node #0,1,2: 97:[84, 52] Operation: 95-43=52 Exploring Operation: 84+43=127, Resulting Numbers: [95, 127] Generated Node #0,1,3: 97:[95, 127] Operation: 84+43=127 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 97:[95, 127], Operations: ['57-14=43', '84+43=127'] Exploring Operation: 95*127=12065, Resulting Numbers: [12065] 12065,97 unequal: No Solution Exploring Operation: 127-95=32, Resulting Numbers: [32] 32,97 unequal: No Solution Exploring Operation: 95+127=222, Resulting Numbers: [222] 222,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[84, 138], Operations: ['57-14=43', '95+43=138'] Exploring Operation: 84+138=222, Resulting Numbers: [222] 222,97 unequal: No Solution Exploring Operation: 84*138=11592, Resulting Numbers: [11592] 11592,97 unequal: No Solution Exploring Operation: 138-84=54, Resulting Numbers: [54] 54,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[95, 41], Operations: ['57-14=43', '84-43=41'] Exploring Operation: 95-41=54, Resulting Numbers: [54] 54,97 unequal: No Solution Exploring Operation: 95*41=3895, Resulting Numbers: [3895] 3895,97 unequal: No Solution Exploring Operation: 95+41=136, Resulting Numbers: [136] 136,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 97:[84, 52], Operations: ['57-14=43', '95-43=52'] Exploring Operation: 84+52=136, Resulting Numbers: [136] 136,97 unequal: No Solution Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,97 unequal: No Solution Exploring Operation: 84*52=4368, Resulting Numbers: [4368] 4368,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 86, 40, 56, 24 ]
18
[ "86-56=30", "24*30=720", "720/40=18" ]
Current State: 18:[86, 40, 56, 24], Operations: [] Exploring Operation: 86-56=30, Resulting Numbers: [40, 24, 30] Generated Node #2: [40, 24, 30] from Operation: 86-56=30 Current State: 18:[40, 24, 30], Operations: ['86-56=30'] Exploring Operation: 24*30=720, Resulting Numbers: [40, 720] Generated Node #3: [40, 720] from Operation: 24*30=720 Current State: 18:[40, 720], Operations: ['86-56=30', '24*30=720'] Exploring Operation: 720/40=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[86, 40, 56, 24], Operations: [] Exploring Operation: 56-40=16, Resulting Numbers: [86, 24, 16] Generated Node #0,0: 18:[86, 24, 16] Operation: 56-40=16 Exploring Operation: 86-56=30, Resulting Numbers: [40, 24, 30] Generated Node #0,1: 18:[40, 24, 30] Operation: 86-56=30 Exploring Operation: 86-24=62, Resulting Numbers: [40, 56, 62] Generated Node #0,2: 18:[40, 56, 62] Operation: 86-24=62 Exploring Operation: 56-24=32, Resulting Numbers: [86, 40, 32] Generated Node #0,3: 18:[86, 40, 32] Operation: 56-24=32 Exploring Operation: 86-40=46, Resulting Numbers: [56, 24, 46] Generated Node #0,4: 18:[56, 24, 46] Operation: 86-40=46 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[40, 24, 30], Operations: ['86-56=30'] Exploring Operation: 30-24=6, Resulting Numbers: [40, 6] Generated Node #0,1,0: 18:[40, 6] Operation: 30-24=6 Exploring Operation: 40-30=10, Resulting Numbers: [24, 10] Generated Node #0,1,1: 18:[24, 10] Operation: 40-30=10 Exploring Operation: 40+30=70, Resulting Numbers: [24, 70] Generated Node #0,1,2: 18:[24, 70] Operation: 40+30=70 Exploring Operation: 40+24=64, Resulting Numbers: [30, 64] Generated Node #0,1,3: 18:[30, 64] Operation: 40+24=64 Exploring Operation: 40-24=16, Resulting Numbers: [30, 16] Generated Node #0,1,4: 18:[30, 16] Operation: 40-24=16 Moving to Node #0,1,1 Current State: 18:[24, 10], Operations: ['86-56=30', '40-30=10'] Exploring Operation: 24*10=240, Resulting Numbers: [240] 240,18 unequal: No Solution Exploring Operation: 24+10=34, Resulting Numbers: [34] 34,18 unequal: No Solution Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,18 unequal: No Solution Moving to Node #0,1,4 Current State: 18:[30, 16], Operations: ['86-56=30', '40-24=16'] Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,18 unequal: No Solution Exploring Operation: 30*16=480, Resulting Numbers: [480] 480,18 unequal: No Solution Exploring Operation: 30+16=46, Resulting Numbers: [46] 46,18 unequal: No Solution Moving to Node #0,1,0 Current State: 18:[40, 6], Operations: ['86-56=30', '30-24=6'] Exploring Operation: 40*6=240, Resulting Numbers: [240] 240,18 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,18 unequal: No Solution Exploring Operation: 40+6=46, Resulting Numbers: [46] 46,18 unequal: No Solution Moving to Node #0,1,2 Current State: 18:[24, 70], Operations: ['86-56=30', '40+30=70'] Exploring Operation: 24+70=94, Resulting Numbers: [94] 94,18 unequal: No Solution Exploring Operation: 24*70=1680, Resulting Numbers: [1680] 1680,18 unequal: No Solution Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,18 unequal: No Solution Moving to Node #0,1,3 Current State: 18:[30, 64], Operations: ['86-56=30', '40+24=64'] Exploring Operation: 30*64=1920, Resulting Numbers: [1920] 1920,18 unequal: No Solution Exploring Operation: 30+64=94, Resulting Numbers: [94] 94,18 unequal: No Solution Exploring Operation: 64-30=34, Resulting Numbers: [34] 34,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 18:[56, 24, 46], Operations: ['86-40=46'] Exploring Operation: 56-24=32, Resulting Numbers: [46, 32] Generated Node #0,4,0: 18:[46, 32] Operation: 56-24=32 Exploring Operation: 56-46=10, Resulting Numbers: [24, 10] Generated Node #0,4,1: 18:[24, 10] Operation: 56-46=10 Exploring Operation: 56+24=80, Resulting Numbers: [46, 80] Generated Node #0,4,2: 18:[46, 80] Operation: 56+24=80 Exploring Operation: 56+46=102, Resulting Numbers: [24, 102] Generated Node #0,4,3: 18:[24, 102] Operation: 56+46=102 Exploring Operation: 46-24=22, Resulting Numbers: [56, 22] Generated Node #0,4,4: 18:[56, 22] Operation: 46-24=22 Moving to Node #0,4,1 Current State: 18:[24, 10], Operations: ['86-40=46', '56-46=10'] Exploring Operation: 24*10=240, Resulting Numbers: [240] 240,18 unequal: No Solution Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,18 unequal: No Solution Exploring Operation: 24+10=34, Resulting Numbers: [34] 34,18 unequal: No Solution Moving to Node #0,4,4 Current State: 18:[56, 22], Operations: ['86-40=46', '46-24=22'] Exploring Operation: 56-22=34, Resulting Numbers: [34] 34,18 unequal: No Solution Exploring Operation: 56+22=78, Resulting Numbers: [78] 78,18 unequal: No Solution Exploring Operation: 56*22=1232, Resulting Numbers: [1232] 1232,18 unequal: No Solution Moving to Node #0,4,0 Current State: 18:[46, 32], Operations: ['86-40=46', '56-24=32'] Exploring Operation: 46*32=1472, Resulting Numbers: [1472] 1472,18 unequal: No Solution Exploring Operation: 46+32=78, Resulting Numbers: [78] 78,18 unequal: No Solution Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,18 unequal: No Solution Moving to Node #0,4,2 Current State: 18:[46, 80], Operations: ['86-40=46', '56+24=80'] Exploring Operation: 46+80=126, Resulting Numbers: [126] 126,18 unequal: No Solution Exploring Operation: 46*80=3680, Resulting Numbers: [3680] 3680,18 unequal: No Solution Exploring Operation: 80-46=34, Resulting Numbers: [34] 34,18 unequal: No Solution Moving to Node #0,4,3 Current State: 18:[24, 102], Operations: ['86-40=46', '56+46=102'] Exploring Operation: 24+102=126, Resulting Numbers: [126] 126,18 unequal: No Solution Exploring Operation: 102-24=78, Resulting Numbers: [78] 78,18 unequal: No Solution Exploring Operation: 24*102=2448, Resulting Numbers: [2448] 2448,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[86, 24, 16], Operations: ['56-40=16'] Exploring Operation: 86-16=70, Resulting Numbers: [24, 70] Generated Node #0,0,0: 18:[24, 70] Operation: 86-16=70 Exploring Operation: 24+16=40, Resulting Numbers: [86, 40] Generated Node #0,0,1: 18:[86, 40] Operation: 24+16=40 Exploring Operation: 86+16=102, Resulting Numbers: [24, 102] Generated Node #0,0,2: 18:[24, 102] Operation: 86+16=102 Exploring Operation: 24-16=8, Resulting Numbers: [86, 8] Generated Node #0,0,3: 18:[86, 8] Operation: 24-16=8 Exploring Operation: 86-24=62, Resulting Numbers: [16, 62] Generated Node #0,0,4: 18:[16, 62] Operation: 86-24=62 Moving to Node #0,0,4 Current State: 18:[16, 62], Operations: ['56-40=16', '86-24=62'] Exploring Operation: 16*62=992, Resulting Numbers: [992] 992,18 unequal: No Solution Exploring Operation: 16+62=78, Resulting Numbers: [78] 78,18 unequal: No Solution Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,18 unequal: No Solution Moving to Node #0,0,0 Current State: 18:[24, 70], Operations: ['56-40=16', '86-16=70'] Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,18 unequal: No Solution Exploring Operation: 24*70=1680, Resulting Numbers: [1680] 1680,18 unequal: No Solution Exploring Operation: 24+70=94, Resulting Numbers: [94] 94,18 unequal: No Solution Moving to Node #0,0,3 Current State: 18:[86, 8], Operations: ['56-40=16', '24-16=8'] Exploring Operation: 86-8=78, Resulting Numbers: [78] 78,18 unequal: No Solution Exploring Operation: 86*8=688, Resulting Numbers: [688] 688,18 unequal: No Solution Exploring Operation: 86+8=94, Resulting Numbers: [94] 94,18 unequal: No Solution Moving to Node #0,0,1 Current State: 18:[86, 40], Operations: ['56-40=16', '24+16=40'] Exploring Operation: 86*40=3440, Resulting Numbers: [3440] 3440,18 unequal: No Solution Exploring Operation: 86-40=46, Resulting Numbers: [46] 46,18 unequal: No Solution Exploring Operation: 86+40=126, Resulting Numbers: [126] 126,18 unequal: No Solution Moving to Node #0,0,2 Current State: 18:[24, 102], Operations: ['56-40=16', '86+16=102'] Exploring Operation: 24*102=2448, Resulting Numbers: [2448] 2448,18 unequal: No Solution Exploring Operation: 24+102=126, Resulting Numbers: [126] 126,18 unequal: No Solution Exploring Operation: 102-24=78, Resulting Numbers: [78] 78,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[40, 56, 62], Operations: ['86-24=62'] Exploring Operation: 56-40=16, Resulting Numbers: [62, 16] Generated Node #0,2,0: 18:[62, 16] Operation: 56-40=16 Exploring Operation: 40+62=102, Resulting Numbers: [56, 102] Generated Node #0,2,1: 18:[56, 102] Operation: 40+62=102 Exploring Operation: 62-40=22, Resulting Numbers: [56, 22] Generated Node #0,2,2: 18:[56, 22] Operation: 62-40=22 Exploring Operation: 62-56=6, Resulting Numbers: [40, 6] Generated Node #0,2,3: 18:[40, 6] Operation: 62-56=6 Exploring Operation: 40+56=96, Resulting Numbers: [62, 96] Generated Node #0,2,4: 18:[62, 96] Operation: 40+56=96 Moving to Node #0,2,3 Current State: 18:[40, 6], Operations: ['86-24=62', '62-56=6'] Exploring Operation: 40+6=46, Resulting Numbers: [46] 46,18 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,18 unequal: No Solution Exploring Operation: 40*6=240, Resulting Numbers: [240] 240,18 unequal: No Solution Moving to Node #0,2,2 Current State: 18:[56, 22], Operations: ['86-24=62', '62-40=22'] Exploring Operation: 56+22=78, Resulting Numbers: [78] 78,18 unequal: No Solution Exploring Operation: 56*22=1232, Resulting Numbers: [1232] 1232,18 unequal: No Solution Exploring Operation: 56-22=34, Resulting Numbers: [34] 34,18 unequal: No Solution Moving to Node #0,2,0 Current State: 18:[62, 16], Operations: ['86-24=62', '56-40=16'] Exploring Operation: 62*16=992, Resulting Numbers: [992] 992,18 unequal: No Solution Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,18 unequal: No Solution Exploring Operation: 62+16=78, Resulting Numbers: [78] 78,18 unequal: No Solution Moving to Node #0,2,1 Current State: 18:[56, 102], Operations: ['86-24=62', '40+62=102'] Exploring Operation: 56*102=5712, Resulting Numbers: [5712] 5712,18 unequal: No Solution Exploring Operation: 56+102=158, Resulting Numbers: [158] 158,18 unequal: No Solution Exploring Operation: 102-56=46, Resulting Numbers: [46] 46,18 unequal: No Solution Moving to Node #0,2,4 Current State: 18:[62, 96], Operations: ['86-24=62', '40+56=96'] Exploring Operation: 62*96=5952, Resulting Numbers: [5952] 5952,18 unequal: No Solution Exploring Operation: 62+96=158, Resulting Numbers: [158] 158,18 unequal: No Solution Exploring Operation: 96-62=34, Resulting Numbers: [34] 34,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 18:[86, 40, 32], Operations: ['56-24=32'] Exploring Operation: 86-32=54, Resulting Numbers: [40, 54] Generated Node #0,3,0: 18:[40, 54] Operation: 86-32=54 Exploring Operation: 86+40=126, Resulting Numbers: [32, 126] Generated Node #0,3,1: 18:[32, 126] Operation: 86+40=126 Exploring Operation: 40-32=8, Resulting Numbers: [86, 8] Generated Node #0,3,2: 18:[86, 8] Operation: 40-32=8 Exploring Operation: 86+32=118, Resulting Numbers: [40, 118] Generated Node #0,3,3: 18:[40, 118] Operation: 86+32=118 Exploring Operation: 86-40=46, Resulting Numbers: [32, 46] Generated Node #0,3,4: 18:[32, 46] Operation: 86-40=46 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 18:[32, 46], Operations: ['56-24=32', '86-40=46'] Exploring Operation: 32*46=1472, Resulting Numbers: [1472] 1472,18 unequal: No Solution Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,18 unequal: No Solution Exploring Operation: 32+46=78, Resulting Numbers: [78] 78,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 18:[40, 54], Operations: ['56-24=32', '86-32=54'] Exploring Operation: 54-40=14, Resulting Numbers: [14] 14,18 unequal: No Solution Exploring Operation: 40+54=94, Resulting Numbers: [94] 94,18 unequal: No Solution Exploring Operation: 40*54=2160, Resulting Numbers: [2160] 2160,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 18:[86, 8], Operations: ['56-24=32', '40-32=8'] Exploring Operation: 86-8=78, Resulting Numbers: [78] 78,18 unequal: No Solution Exploring Operation: 86*8=688, Resulting Numbers: [688] 688,18 unequal: No Solution Exploring Operation: 86+8=94, Resulting Numbers: [94] 94,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 18:[32, 126], Operations: ['56-24=32', '86+40=126'] Exploring Operation: 126-32=94, Resulting Numbers: [94] 94,18 unequal: No Solution Exploring Operation: 32+126=158, Resulting Numbers: [158] 158,18 unequal: No Solution Exploring Operation: 32*126=4032, Resulting Numbers: [4032] 4032,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 18:[40, 118], Operations: ['56-24=32', '86+32=118'] Exploring Operation: 118-40=78, Resulting Numbers: [78] 78,18 unequal: No Solution Exploring Operation: 40*118=4720, Resulting Numbers: [4720] 4720,18 unequal: No Solution Exploring Operation: 40+118=158, Resulting Numbers: [158] 158,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 28, 38, 98, 92 ]
19
[ "38-28=10", "98+92=190", "190/10=19" ]
Current State: 19:[28, 38, 98, 92], Operations: [] Exploring Operation: 38-28=10, Resulting Numbers: [98, 92, 10] Generated Node #2: [98, 92, 10] from Operation: 38-28=10 Current State: 19:[98, 92, 10], Operations: ['38-28=10'] Exploring Operation: 98+92=190, Resulting Numbers: [10, 190] Generated Node #3: [10, 190] from Operation: 98+92=190 Current State: 19:[10, 190], Operations: ['38-28=10', '98+92=190'] Exploring Operation: 190/10=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[28, 38, 98, 92], Operations: [] Exploring Operation: 92-38=54, Resulting Numbers: [28, 98, 54] Generated Node #0,0: 19:[28, 98, 54] Operation: 92-38=54 Exploring Operation: 98-92=6, Resulting Numbers: [28, 38, 6] Generated Node #0,1: 19:[28, 38, 6] Operation: 98-92=6 Exploring Operation: 98-38=60, Resulting Numbers: [28, 92, 60] Generated Node #0,2: 19:[28, 92, 60] Operation: 98-38=60 Exploring Operation: 98-28=70, Resulting Numbers: [38, 92, 70] Generated Node #0,3: 19:[38, 92, 70] Operation: 98-28=70 Moving to Node #0,1 Current State: 19:[28, 38, 6], Operations: ['98-92=6'] Exploring Operation: 38-28=10, Resulting Numbers: [6, 10] Generated Node #0,1,0: 19:[6, 10] Operation: 38-28=10 Exploring Operation: 28+6=34, Resulting Numbers: [38, 34] Generated Node #0,1,1: 19:[38, 34] Operation: 28+6=34 Exploring Operation: 38-6=32, Resulting Numbers: [28, 32] Generated Node #0,1,2: 19:[28, 32] Operation: 38-6=32 Exploring Operation: 28-6=22, Resulting Numbers: [38, 22] Generated Node #0,1,3: 19:[38, 22] Operation: 28-6=22 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 19:[6, 10], Operations: ['98-92=6', '38-28=10'] Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,19 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 19:[28, 32], Operations: ['98-92=6', '38-6=32'] Exploring Operation: 28+32=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 28*32=896, Resulting Numbers: [896] 896,19 unequal: No Solution Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 19:[38, 22], Operations: ['98-92=6', '28-6=22'] Exploring Operation: 38+22=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,19 unequal: No Solution Exploring Operation: 38*22=836, Resulting Numbers: [836] 836,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 19:[38, 34], Operations: ['98-92=6', '28+6=34'] Exploring Operation: 38+34=72, Resulting Numbers: [72] 72,19 unequal: No Solution Exploring Operation: 38*34=1292, Resulting Numbers: [1292] 1292,19 unequal: No Solution Exploring Operation: 38-34=4, Resulting Numbers: [4] 4,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 19:[28, 92, 60], Operations: ['98-38=60'] Exploring Operation: 28+92=120, Resulting Numbers: [60, 120] Generated Node #0,2,0: 19:[60, 120] Operation: 28+92=120 Exploring Operation: 92-60=32, Resulting Numbers: [28, 32] Generated Node #0,2,1: 19:[28, 32] Operation: 92-60=32 Exploring Operation: 92-28=64, Resulting Numbers: [60, 64] Generated Node #0,2,2: 19:[60, 64] Operation: 92-28=64 Exploring Operation: 60-28=32, Resulting Numbers: [92, 32] Generated Node #0,2,3: 19:[92, 32] Operation: 60-28=32 Moving to Node #0,0 Current State: 19:[28, 98, 54], Operations: ['92-38=54'] Exploring Operation: 98-28=70, Resulting Numbers: [54, 70] Generated Node #0,0,0: 19:[54, 70] Operation: 98-28=70 Exploring Operation: 98-54=44, Resulting Numbers: [28, 44] Generated Node #0,0,1: 19:[28, 44] Operation: 98-54=44 Exploring Operation: 28+98=126, Resulting Numbers: [54, 126] Generated Node #0,0,2: 19:[54, 126] Operation: 28+98=126 Exploring Operation: 54-28=26, Resulting Numbers: [98, 26] Generated Node #0,0,3: 19:[98, 26] Operation: 54-28=26 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[28, 44], Operations: ['92-38=54', '98-54=44'] Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,19 unequal: No Solution Exploring Operation: 28*44=1232, Resulting Numbers: [1232] 1232,19 unequal: No Solution Exploring Operation: 28+44=72, Resulting Numbers: [72] 72,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[54, 70], Operations: ['92-38=54', '98-28=70'] Exploring Operation: 70-54=16, Resulting Numbers: [16] 16,19 unequal: No Solution Exploring Operation: 54*70=3780, Resulting Numbers: [3780] 3780,19 unequal: No Solution Exploring Operation: 54+70=124, Resulting Numbers: [124] 124,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 19:[98, 26], Operations: ['92-38=54', '54-28=26'] Exploring Operation: 98*26=2548, Resulting Numbers: [2548] 2548,19 unequal: No Solution Exploring Operation: 98-26=72, Resulting Numbers: [72] 72,19 unequal: No Solution Exploring Operation: 98+26=124, Resulting Numbers: [124] 124,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[54, 126], Operations: ['92-38=54', '28+98=126'] Exploring Operation: 54*126=6804, Resulting Numbers: [6804] 6804,19 unequal: No Solution Exploring Operation: 126-54=72, Resulting Numbers: [72] 72,19 unequal: No Solution Exploring Operation: 54+126=180, Resulting Numbers: [180] 180,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 19:[38, 92, 70], Operations: ['98-28=70'] Exploring Operation: 92-38=54, Resulting Numbers: [70, 54] Generated Node #0,3,0: 19:[70, 54] Operation: 92-38=54 Exploring Operation: 70-38=32, Resulting Numbers: [92, 32] Generated Node #0,3,1: 19:[92, 32] Operation: 70-38=32 Exploring Operation: 38+92=130, Resulting Numbers: [70, 130] Generated Node #0,3,2: 19:[70, 130] Operation: 38+92=130 Exploring Operation: 92-70=22, Resulting Numbers: [38, 22] Generated Node #0,3,3: 19:[38, 22] Operation: 92-70=22 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 19:[38, 22], Operations: ['98-28=70', '92-70=22'] Exploring Operation: 38*22=836, Resulting Numbers: [836] 836,19 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,19 unequal: No Solution Exploring Operation: 38+22=60, Resulting Numbers: [60] 60,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 19:[70, 54], Operations: ['98-28=70', '92-38=54'] Exploring Operation: 70+54=124, Resulting Numbers: [124] 124,19 unequal: No Solution Exploring Operation: 70*54=3780, Resulting Numbers: [3780] 3780,19 unequal: No Solution Exploring Operation: 70-54=16, Resulting Numbers: [16] 16,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 19:[92, 32], Operations: ['98-28=70', '70-38=32'] Exploring Operation: 92-32=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 92*32=2944, Resulting Numbers: [2944] 2944,19 unequal: No Solution Exploring Operation: 92+32=124, Resulting Numbers: [124] 124,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 19:[70, 130], Operations: ['98-28=70', '38+92=130'] Exploring Operation: 70*130=9100, Resulting Numbers: [9100] 9100,19 unequal: No Solution Exploring Operation: 70+130=200, Resulting Numbers: [200] 200,19 unequal: No Solution Exploring Operation: 130-70=60, Resulting Numbers: [60] 60,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 19:[28, 32], Operations: ['98-38=60', '92-60=32'] Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 28*32=896, Resulting Numbers: [896] 896,19 unequal: No Solution Exploring Operation: 28+32=60, Resulting Numbers: [60] 60,19 unequal: No Solution Moving to Node #0,2,3 Current State: 19:[92, 32], Operations: ['98-38=60', '60-28=32'] Exploring Operation: 92-32=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 92*32=2944, Resulting Numbers: [2944] 2944,19 unequal: No Solution Exploring Operation: 92+32=124, Resulting Numbers: [124] 124,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[60, 64], Operations: ['98-38=60', '92-28=64'] Exploring Operation: 60+64=124, Resulting Numbers: [124] 124,19 unequal: No Solution Exploring Operation: 60*64=3840, Resulting Numbers: [3840] 3840,19 unequal: No Solution Exploring Operation: 64-60=4, Resulting Numbers: [4] 4,19 unequal: No Solution Moving to Node #0,2,0 Current State: 19:[60, 120], Operations: ['98-38=60', '28+92=120'] Exploring Operation: 60*120=7200, Resulting Numbers: [7200] 7200,19 unequal: No Solution Exploring Operation: 120/60=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 120-60=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 60+120=180, Resulting Numbers: [180] 180,19 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 60, 42, 17, 15 ]
36
[ "60-42=18", "17-15=2", "18*2=36" ]
Current State: 36:[60, 42, 17, 15], Operations: [] Exploring Operation: 60-42=18, Resulting Numbers: [17, 15, 18] Generated Node #2: [17, 15, 18] from Operation: 60-42=18 Current State: 36:[17, 15, 18], Operations: ['60-42=18'] Exploring Operation: 17-15=2, Resulting Numbers: [18, 2] Generated Node #3: [18, 2] from Operation: 17-15=2 Current State: 36:[18, 2], Operations: ['60-42=18', '17-15=2'] Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[60, 42, 17, 15], Operations: [] Exploring Operation: 60-17=43, Resulting Numbers: [42, 15, 43] Generated Node #0,0: 36:[42, 15, 43] Operation: 60-17=43 Exploring Operation: 60/15=4, Resulting Numbers: [42, 17, 4] Generated Node #0,1: 36:[42, 17, 4] Operation: 60/15=4 Exploring Operation: 60-42=18, Resulting Numbers: [17, 15, 18] Generated Node #0,2: 36:[17, 15, 18] Operation: 60-42=18 Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[17, 15, 18], Operations: ['60-42=18'] Exploring Operation: 18-15=3, Resulting Numbers: [17, 3] Generated Node #0,2,0: 36:[17, 3] Operation: 18-15=3 Exploring Operation: 17-15=2, Resulting Numbers: [18, 2] Generated Node #0,2,1: 36:[18, 2] Operation: 17-15=2 Exploring Operation: 17+15=32, Resulting Numbers: [18, 32] Generated Node #0,2,2: 36:[18, 32] Operation: 17+15=32 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 36:[18, 2], Operations: ['60-42=18', '17-15=2'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[60, 42, 17, 15], Operations: [] Exploring Operation: 60-42=18, Resulting Numbers: [17, 15, 18] Generated Node #0,2: 36:[17, 15, 18] Operation: 60-42=18 Moving to Node #0,2 Current State: 36:[17, 15, 18], Operations: ['60-42=18'] Exploring Operation: 17-15=2, Resulting Numbers: [18, 2] Generated Node #0,2,1: 36:[18, 2] Operation: 17-15=2 Moving to Node #0,2,1 Current State: 36:[18, 2], Operations: ['60-42=18', '17-15=2'] Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 59, 13, 22, 68 ]
88
[ "59+13=72", "72-68=4", "22*4=88" ]
Current State: 88:[59, 13, 22, 68], Operations: [] Exploring Operation: 59+13=72, Resulting Numbers: [22, 68, 72] Generated Node #2: [22, 68, 72] from Operation: 59+13=72 Current State: 88:[22, 68, 72], Operations: ['59+13=72'] Exploring Operation: 72-68=4, Resulting Numbers: [22, 4] Generated Node #3: [22, 4] from Operation: 72-68=4 Current State: 88:[22, 4], Operations: ['59+13=72', '72-68=4'] Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[59, 13, 22, 68], Operations: [] Exploring Operation: 68-22=46, Resulting Numbers: [59, 13, 46] Generated Node #0,0: 88:[59, 13, 46] Operation: 68-22=46 Exploring Operation: 22+68=90, Resulting Numbers: [59, 13, 90] Generated Node #0,1: 88:[59, 13, 90] Operation: 22+68=90 Exploring Operation: 59-13=46, Resulting Numbers: [22, 68, 46] Generated Node #0,2: 88:[22, 68, 46] Operation: 59-13=46 Exploring Operation: 68-59=9, Resulting Numbers: [13, 22, 9] Generated Node #0,3: 88:[13, 22, 9] Operation: 68-59=9 Exploring Operation: 13+68=81, Resulting Numbers: [59, 22, 81] Generated Node #0,4: 88:[59, 22, 81] Operation: 13+68=81 Start Sub Search at level 1: Moving to Node #0,3 Current State: 88:[13, 22, 9], Operations: ['68-59=9'] Exploring Operation: 13+9=22, Resulting Numbers: [22, 22] Generated Node #0,3,0: 88:[22, 22] Operation: 13+9=22 Exploring Operation: 13+22=35, Resulting Numbers: [9, 35] Generated Node #0,3,1: 88:[9, 35] Operation: 13+22=35 Exploring Operation: 13-9=4, Resulting Numbers: [22, 4] Generated Node #0,3,2: 88:[22, 4] Operation: 13-9=4 Exploring Operation: 22-9=13, Resulting Numbers: [13, 13] Generated Node #0,3,3: 88:[13, 13] Operation: 22-9=13 Exploring Operation: 22-13=9, Resulting Numbers: [9, 9] Generated Node #0,3,4: 88:[9, 9] Operation: 22-13=9 Moving to Node #0,3,0 Current State: 88:[22, 22], Operations: ['68-59=9', '13+9=22'] Exploring Operation: 22-22=0, Resulting Numbers: [0] 0,88 unequal: No Solution Exploring Operation: 22+22=44, Resulting Numbers: [44] 44,88 unequal: No Solution Exploring Operation: 22/22=1, Resulting Numbers: [1] 1,88 unequal: No Solution Exploring Operation: 22*22=484, Resulting Numbers: [484] 484,88 unequal: No Solution Moving to Node #0,3,2 Current State: 88:[22, 4], Operations: ['68-59=9', '13-9=4'] Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,88 unequal: No Solution Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[59, 13, 22, 68], Operations: [] Exploring Operation: 68-59=9, Resulting Numbers: [13, 22, 9] Generated Node #0,3: 88:[13, 22, 9] Operation: 68-59=9 Moving to Node #0,3 Current State: 88:[13, 22, 9], Operations: ['68-59=9'] Exploring Operation: 13-9=4, Resulting Numbers: [22, 4] Generated Node #0,3,2: 88:[22, 4] Operation: 13-9=4 Moving to Node #0,3,2 Current State: 88:[22, 4], Operations: ['68-59=9', '13-9=4'] Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 77, 81, 56, 16 ]
18
[ "81-77=4", "56+16=72", "72/4=18" ]
Current State: 18:[77, 81, 56, 16], Operations: [] Exploring Operation: 81-77=4, Resulting Numbers: [56, 16, 4] Generated Node #2: [56, 16, 4] from Operation: 81-77=4 Current State: 18:[56, 16, 4], Operations: ['81-77=4'] Exploring Operation: 56+16=72, Resulting Numbers: [4, 72] Generated Node #3: [4, 72] from Operation: 56+16=72 Current State: 18:[4, 72], Operations: ['81-77=4', '56+16=72'] Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[77, 81, 56, 16], Operations: [] Exploring Operation: 81-56=25, Resulting Numbers: [77, 16, 25] Generated Node #0,0: 18:[77, 16, 25] Operation: 81-56=25 Exploring Operation: 81-16=65, Resulting Numbers: [77, 56, 65] Generated Node #0,1: 18:[77, 56, 65] Operation: 81-16=65 Exploring Operation: 81-77=4, Resulting Numbers: [56, 16, 4] Generated Node #0,2: 18:[56, 16, 4] Operation: 81-77=4 Exploring Operation: 77-16=61, Resulting Numbers: [81, 56, 61] Generated Node #0,3: 18:[81, 56, 61] Operation: 77-16=61 Exploring Operation: 77-56=21, Resulting Numbers: [81, 16, 21] Generated Node #0,4: 18:[81, 16, 21] Operation: 77-56=21 Moving to Node #0,2 Current State: 18:[56, 16, 4], Operations: ['81-77=4'] Exploring Operation: 16/4=4, Resulting Numbers: [56, 4] Generated Node #0,2,0: 18:[56, 4] Operation: 16/4=4 Exploring Operation: 16+4=20, Resulting Numbers: [56, 20] Generated Node #0,2,1: 18:[56, 20] Operation: 16+4=20 Exploring Operation: 56-16=40, Resulting Numbers: [4, 40] Generated Node #0,2,2: 18:[4, 40] Operation: 56-16=40 Exploring Operation: 56/4=14, Resulting Numbers: [16, 14] Generated Node #0,2,3: 18:[16, 14] Operation: 56/4=14 Exploring Operation: 56-4=52, Resulting Numbers: [16, 52] Generated Node #0,2,4: 18:[16, 52] Operation: 56-4=52 Moving to Node #0,4 Current State: 18:[81, 16, 21], Operations: ['77-56=21'] Exploring Operation: 81+16=97, Resulting Numbers: [21, 97] Generated Node #0,4,0: 18:[21, 97] Operation: 81+16=97 Exploring Operation: 81-16=65, Resulting Numbers: [21, 65] Generated Node #0,4,1: 18:[21, 65] Operation: 81-16=65 Exploring Operation: 81-21=60, Resulting Numbers: [16, 60] Generated Node #0,4,2: 18:[16, 60] Operation: 81-21=60 Exploring Operation: 21-16=5, Resulting Numbers: [81, 5] Generated Node #0,4,3: 18:[81, 5] Operation: 21-16=5 Exploring Operation: 16+21=37, Resulting Numbers: [81, 37] Generated Node #0,4,4: 18:[81, 37] Operation: 16+21=37 Moving to Node #0,0 Current State: 18:[77, 16, 25], Operations: ['81-56=25'] Exploring Operation: 16+25=41, Resulting Numbers: [77, 41] Generated Node #0,0,0: 18:[77, 41] Operation: 16+25=41 Exploring Operation: 77-25=52, Resulting Numbers: [16, 52] Generated Node #0,0,1: 18:[16, 52] Operation: 77-25=52 Exploring Operation: 77+16=93, Resulting Numbers: [25, 93] Generated Node #0,0,2: 18:[25, 93] Operation: 77+16=93 Exploring Operation: 77-16=61, Resulting Numbers: [25, 61] Generated Node #0,0,3: 18:[25, 61] Operation: 77-16=61 Exploring Operation: 25-16=9, Resulting Numbers: [77, 9] Generated Node #0,0,4: 18:[77, 9] Operation: 25-16=9 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 18:[16, 52], Operations: ['81-56=25', '77-25=52'] Exploring Operation: 16+52=68, Resulting Numbers: [68] 68,18 unequal: No Solution Exploring Operation: 16*52=832, Resulting Numbers: [832] 832,18 unequal: No Solution Exploring Operation: 52-16=36, Resulting Numbers: [36] 36,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 18:[25, 61], Operations: ['81-56=25', '77-16=61'] Exploring Operation: 25*61=1525, Resulting Numbers: [1525] 1525,18 unequal: No Solution Exploring Operation: 25+61=86, Resulting Numbers: [86] 86,18 unequal: No Solution Exploring Operation: 61-25=36, Resulting Numbers: [36] 36,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 18:[77, 9], Operations: ['81-56=25', '25-16=9'] Exploring Operation: 77*9=693, Resulting Numbers: [693] 693,18 unequal: No Solution Exploring Operation: 77-9=68, Resulting Numbers: [68] 68,18 unequal: No Solution Exploring Operation: 77+9=86, Resulting Numbers: [86] 86,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 18:[77, 41], Operations: ['81-56=25', '16+25=41'] Exploring Operation: 77-41=36, Resulting Numbers: [36] 36,18 unequal: No Solution Exploring Operation: 77+41=118, Resulting Numbers: [118] 118,18 unequal: No Solution Exploring Operation: 77*41=3157, Resulting Numbers: [3157] 3157,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 18:[25, 93], Operations: ['81-56=25', '77+16=93'] Exploring Operation: 25*93=2325, Resulting Numbers: [2325] 2325,18 unequal: No Solution Exploring Operation: 93-25=68, Resulting Numbers: [68] 68,18 unequal: No Solution Exploring Operation: 25+93=118, Resulting Numbers: [118] 118,18 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: 18:[77, 56, 65], Operations: ['81-16=65'] Exploring Operation: 77+65=142, Resulting Numbers: [56, 142] Generated Node #0,1,0: 18:[56, 142] Operation: 77+65=142 Exploring Operation: 65-56=9, Resulting Numbers: [77, 9] Generated Node #0,1,1: 18:[77, 9] Operation: 65-56=9 Exploring Operation: 77-65=12, Resulting Numbers: [56, 12] Generated Node #0,1,2: 18:[56, 12] Operation: 77-65=12 Exploring Operation: 77+56=133, Resulting Numbers: [65, 133] Generated Node #0,1,3: 18:[65, 133] Operation: 77+56=133 Exploring Operation: 77-56=21, Resulting Numbers: [65, 21] Generated Node #0,1,4: 18:[65, 21] Operation: 77-56=21 Moving to Node #0,3 Current State: 18:[81, 56, 61], Operations: ['77-16=61'] Exploring Operation: 81-56=25, Resulting Numbers: [61, 25] Generated Node #0,3,0: 18:[61, 25] Operation: 81-56=25 Exploring Operation: 81+56=137, Resulting Numbers: [61, 137] Generated Node #0,3,1: 18:[61, 137] Operation: 81+56=137 Exploring Operation: 81+61=142, Resulting Numbers: [56, 142] Generated Node #0,3,2: 18:[56, 142] Operation: 81+61=142 Exploring Operation: 81-61=20, Resulting Numbers: [56, 20] Generated Node #0,3,3: 18:[56, 20] Operation: 81-61=20 Exploring Operation: 61-56=5, Resulting Numbers: [81, 5] Generated Node #0,3,4: 18:[81, 5] Operation: 61-56=5 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 18:[56, 20], Operations: ['77-16=61', '81-61=20'] Exploring Operation: 56+20=76, Resulting Numbers: [76] 76,18 unequal: No Solution Exploring Operation: 56-20=36, Resulting Numbers: [36] 36,18 unequal: No Solution Exploring Operation: 56*20=1120, Resulting Numbers: [1120] 1120,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 18:[61, 25], Operations: ['77-16=61', '81-56=25'] Exploring Operation: 61+25=86, Resulting Numbers: [86] 86,18 unequal: No Solution Exploring Operation: 61-25=36, Resulting Numbers: [36] 36,18 unequal: No Solution Exploring Operation: 61*25=1525, Resulting Numbers: [1525] 1525,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 18:[81, 5], Operations: ['77-16=61', '61-56=5'] Exploring Operation: 81*5=405, Resulting Numbers: [405] 405,18 unequal: No Solution Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,18 unequal: No Solution Exploring Operation: 81-5=76, Resulting Numbers: [76] 76,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 18:[61, 137], Operations: ['77-16=61', '81+56=137'] Exploring Operation: 61+137=198, Resulting Numbers: [198] 198,18 unequal: No Solution Exploring Operation: 137-61=76, Resulting Numbers: [76] 76,18 unequal: No Solution Exploring Operation: 61*137=8357, Resulting Numbers: [8357] 8357,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 18:[56, 142], Operations: ['77-16=61', '81+61=142'] Exploring Operation: 142-56=86, Resulting Numbers: [86] 86,18 unequal: No Solution Exploring Operation: 56*142=7952, Resulting Numbers: [7952] 7952,18 unequal: No Solution Exploring Operation: 56+142=198, Resulting Numbers: [198] 198,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 18:[16, 14], Operations: ['81-77=4', '56/4=14'] Exploring Operation: 16*14=224, Resulting Numbers: [224] 224,18 unequal: No Solution Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,18 unequal: No Solution Exploring Operation: 16+14=30, Resulting Numbers: [30] 30,18 unequal: No Solution Moving to Node #0,2,2 Current State: 18:[4, 40], Operations: ['81-77=4', '56-16=40'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 4*40=160, Resulting Numbers: [160] 160,18 unequal: No Solution Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,18 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,18 unequal: No Solution Moving to Node #0,2,4 Current State: 18:[16, 52], Operations: ['81-77=4', '56-4=52'] Exploring Operation: 52-16=36, Resulting Numbers: [36] 36,18 unequal: No Solution Exploring Operation: 16*52=832, Resulting Numbers: [832] 832,18 unequal: No Solution Exploring Operation: 16+52=68, Resulting Numbers: [68] 68,18 unequal: No Solution Moving to Node #0,2,0 Current State: 18:[56, 4], Operations: ['81-77=4', '16/4=4'] Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,18 unequal: No Solution Exploring Operation: 56+4=60, Resulting Numbers: [60] 60,18 unequal: No Solution Exploring Operation: 56*4=224, Resulting Numbers: [224] 224,18 unequal: No Solution Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,18 unequal: No Solution Moving to Node #0,2,1 Current State: 18:[56, 20], Operations: ['81-77=4', '16+4=20'] Exploring Operation: 56-20=36, Resulting Numbers: [36] 36,18 unequal: No Solution Exploring Operation: 56*20=1120, Resulting Numbers: [1120] 1120,18 unequal: No Solution Exploring Operation: 56+20=76, Resulting Numbers: [76] 76,18 unequal: No Solution Moving to Node #0,1,2 Current State: 18:[56, 12], Operations: ['81-16=65', '77-65=12'] Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,18 unequal: No Solution Exploring Operation: 56+12=68, Resulting Numbers: [68] 68,18 unequal: No Solution Exploring Operation: 56*12=672, Resulting Numbers: [672] 672,18 unequal: No Solution Moving to Node #0,4,2 Current State: 18:[16, 60], Operations: ['77-56=21', '81-21=60'] Exploring Operation: 60-16=44, Resulting Numbers: [44] 44,18 unequal: No Solution Exploring Operation: 16+60=76, Resulting Numbers: [76] 76,18 unequal: No Solution Exploring Operation: 16*60=960, Resulting Numbers: [960] 960,18 unequal: No Solution Moving to Node #0,4,1 Current State: 18:[21, 65], Operations: ['77-56=21', '81-16=65'] Exploring Operation: 65-21=44, Resulting Numbers: [44] 44,18 unequal: No Solution Exploring Operation: 21*65=1365, Resulting Numbers: [1365] 1365,18 unequal: No Solution Exploring Operation: 21+65=86, Resulting Numbers: [86] 86,18 unequal: No Solution Moving to Node #0,1,4 Current State: 18:[65, 21], Operations: ['81-16=65', '77-56=21'] Exploring Operation: 65-21=44, Resulting Numbers: [44] 44,18 unequal: No Solution Exploring Operation: 65+21=86, Resulting Numbers: [86] 86,18 unequal: No Solution Exploring Operation: 65*21=1365, Resulting Numbers: [1365] 1365,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[77, 9], Operations: ['81-16=65', '65-56=9'] Exploring Operation: 77*9=693, Resulting Numbers: [693] 693,18 unequal: No Solution Exploring Operation: 77+9=86, Resulting Numbers: [86] 86,18 unequal: No Solution Exploring Operation: 77-9=68, Resulting Numbers: [68] 68,18 unequal: No Solution Moving to Node #0,4,3 Current State: 18:[81, 5], Operations: ['77-56=21', '21-16=5'] Exploring Operation: 81*5=405, Resulting Numbers: [405] 405,18 unequal: No Solution Exploring Operation: 81-5=76, Resulting Numbers: [76] 76,18 unequal: No Solution Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,18 unequal: No Solution Moving to Node #0,4,0 Current State: 18:[21, 97], Operations: ['77-56=21', '81+16=97'] Exploring Operation: 21*97=2037, Resulting Numbers: [2037] 2037,18 unequal: No Solution Exploring Operation: 97-21=76, Resulting Numbers: [76] 76,18 unequal: No Solution Exploring Operation: 21+97=118, Resulting Numbers: [118] 118,18 unequal: No Solution Moving to Node #0,4,4 Current State: 18:[81, 37], Operations: ['77-56=21', '16+21=37'] Exploring Operation: 81*37=2997, Resulting Numbers: [2997] 2997,18 unequal: No Solution Exploring Operation: 81+37=118, Resulting Numbers: [118] 118,18 unequal: No Solution Exploring Operation: 81-37=44, Resulting Numbers: [44] 44,18 unequal: No Solution Moving to Node #0,1,0 Current State: 18:[56, 142], Operations: ['81-16=65', '77+65=142'] Exploring Operation: 56*142=7952, Resulting Numbers: [7952] 7952,18 unequal: No Solution Exploring Operation: 56+142=198, Resulting Numbers: [198] 198,18 unequal: No Solution Exploring Operation: 142-56=86, Resulting Numbers: [86] 86,18 unequal: No Solution Moving to Node #0,1,3 Current State: 18:[65, 133], Operations: ['81-16=65', '77+56=133'] Exploring Operation: 133-65=68, Resulting Numbers: [68] 68,18 unequal: No Solution Exploring Operation: 65*133=8645, Resulting Numbers: [8645] 8645,18 unequal: No Solution Exploring Operation: 65+133=198, Resulting Numbers: [198] 198,18 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 22, 67, 29, 83 ]
67
[ "67-22=45", "29+83=112", "112-45=67" ]
Current State: 67:[22, 67, 29, 83], Operations: [] Exploring Operation: 67-22=45, Resulting Numbers: [29, 83, 45] Generated Node #2: [29, 83, 45] from Operation: 67-22=45 Current State: 67:[29, 83, 45], Operations: ['67-22=45'] Exploring Operation: 29+83=112, Resulting Numbers: [45, 112] Generated Node #3: [45, 112] from Operation: 29+83=112 Current State: 67:[45, 112], Operations: ['67-22=45', '29+83=112'] Exploring Operation: 112-45=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[22, 67, 29, 83], Operations: [] Exploring Operation: 83-22=61, Resulting Numbers: [67, 29, 61] Generated Node #0,0: 67:[67, 29, 61] Operation: 83-22=61 Exploring Operation: 83-29=54, Resulting Numbers: [22, 67, 54] Generated Node #0,1: 67:[22, 67, 54] Operation: 83-29=54 Exploring Operation: 22+29=51, Resulting Numbers: [67, 83, 51] Generated Node #0,2: 67:[67, 83, 51] Operation: 22+29=51 Moving to Node #0,2 Current State: 67:[67, 83, 51], Operations: ['22+29=51'] Exploring Operation: 67+51=118, Resulting Numbers: [83, 118] Generated Node #0,2,0: 67:[83, 118] Operation: 67+51=118 Exploring Operation: 83-67=16, Resulting Numbers: [51, 16] Generated Node #0,2,1: 67:[51, 16] Operation: 83-67=16 Exploring Operation: 83-51=32, Resulting Numbers: [67, 32] Generated Node #0,2,2: 67:[67, 32] Operation: 83-51=32 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 67:[67, 32], Operations: ['22+29=51', '83-51=32'] Exploring Operation: 67+32=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 67-32=35, Resulting Numbers: [35] 35,67 unequal: No Solution Exploring Operation: 67*32=2144, Resulting Numbers: [2144] 2144,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[83, 118], Operations: ['22+29=51', '67+51=118'] Exploring Operation: 83+118=201, Resulting Numbers: [201] 201,67 unequal: No Solution Exploring Operation: 118-83=35, Resulting Numbers: [35] 35,67 unequal: No Solution Exploring Operation: 83*118=9794, Resulting Numbers: [9794] 9794,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 67:[51, 16], Operations: ['22+29=51', '83-67=16'] Exploring Operation: 51+16=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[22, 67, 29, 83], Operations: [] Exploring Operation: 22+29=51, Resulting Numbers: [67, 83, 51] Generated Node #0,2: 67:[67, 83, 51] Operation: 22+29=51 Moving to Node #0,2 Current State: 67:[67, 83, 51], Operations: ['22+29=51'] Exploring Operation: 83-67=16, Resulting Numbers: [51, 16] Generated Node #0,2,1: 67:[51, 16] Operation: 83-67=16 Moving to Node #0,2,1 Current State: 67:[51, 16], Operations: ['22+29=51', '83-67=16'] Exploring Operation: 51+16=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 8, 98, 93, 74 ]
96
[ "98-74=24", "24/8=3", "93+3=96" ]
Current State: 96:[8, 98, 93, 74], Operations: [] Exploring Operation: 98-74=24, Resulting Numbers: [8, 93, 24] Generated Node #2: [8, 93, 24] from Operation: 98-74=24 Current State: 96:[8, 93, 24], Operations: ['98-74=24'] Exploring Operation: 24/8=3, Resulting Numbers: [93, 3] Generated Node #3: [93, 3] from Operation: 24/8=3 Current State: 96:[93, 3], Operations: ['98-74=24', '24/8=3'] Exploring Operation: 93+3=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[8, 98, 93, 74], Operations: [] Exploring Operation: 98-74=24, Resulting Numbers: [8, 93, 24] Generated Node #0,0: 96:[8, 93, 24] Operation: 98-74=24 Exploring Operation: 8+74=82, Resulting Numbers: [98, 93, 82] Generated Node #0,1: 96:[98, 93, 82] Operation: 8+74=82 Exploring Operation: 74-8=66, Resulting Numbers: [98, 93, 66] Generated Node #0,2: 96:[98, 93, 66] Operation: 74-8=66 Exploring Operation: 93-74=19, Resulting Numbers: [8, 98, 19] Generated Node #0,3: 96:[8, 98, 19] Operation: 93-74=19 Exploring Operation: 98-93=5, Resulting Numbers: [8, 74, 5] Generated Node #0,4: 96:[8, 74, 5] Operation: 98-93=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[8, 93, 24], Operations: ['98-74=24'] Exploring Operation: 24/8=3, Resulting Numbers: [93, 3] Generated Node #0,0,0: 96:[93, 3] Operation: 24/8=3 Exploring Operation: 8+24=32, Resulting Numbers: [93, 32] Generated Node #0,0,1: 96:[93, 32] Operation: 8+24=32 Exploring Operation: 93-8=85, Resulting Numbers: [24, 85] Generated Node #0,0,2: 96:[24, 85] Operation: 93-8=85 Exploring Operation: 8+93=101, Resulting Numbers: [24, 101] Generated Node #0,0,3: 96:[24, 101] Operation: 8+93=101 Exploring Operation: 24-8=16, Resulting Numbers: [93, 16] Generated Node #0,0,4: 96:[93, 16] Operation: 24-8=16 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 96:[93, 3], Operations: ['98-74=24', '24/8=3'] Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,96 unequal: No Solution Exploring Operation: 93+3=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[8, 98, 93, 74], Operations: [] Exploring Operation: 98-74=24, Resulting Numbers: [8, 93, 24] Generated Node #0,0: 96:[8, 93, 24] Operation: 98-74=24 Moving to Node #0,0 Current State: 96:[8, 93, 24], Operations: ['98-74=24'] Exploring Operation: 24/8=3, Resulting Numbers: [93, 3] Generated Node #0,0,0: 96:[93, 3] Operation: 24/8=3 Moving to Node #0,0,0 Current State: 96:[93, 3], Operations: ['98-74=24', '24/8=3'] Exploring Operation: 93+3=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 58, 33, 62, 19 ]
53
[ "33+62=95", "95/19=5", "58-5=53" ]
Current State: 53:[58, 33, 62, 19], Operations: [] Exploring Operation: 33+62=95, Resulting Numbers: [58, 19, 95] Generated Node #2: [58, 19, 95] from Operation: 33+62=95 Current State: 53:[58, 19, 95], Operations: ['33+62=95'] Exploring Operation: 95/19=5, Resulting Numbers: [58, 5] Generated Node #3: [58, 5] from Operation: 95/19=5 Current State: 53:[58, 5], Operations: ['33+62=95', '95/19=5'] Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[58, 33, 62, 19], Operations: [] Exploring Operation: 33+19=52, Resulting Numbers: [58, 62, 52] Generated Node #0,0: 53:[58, 62, 52] Operation: 33+19=52 Exploring Operation: 62-19=43, Resulting Numbers: [58, 33, 43] Generated Node #0,1: 53:[58, 33, 43] Operation: 62-19=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[58, 62, 52], Operations: ['33+19=52'] Exploring Operation: 62-58=4, Resulting Numbers: [52, 4] Generated Node #0,0,0: 53:[52, 4] Operation: 62-58=4 Exploring Operation: 62-52=10, Resulting Numbers: [58, 10] Generated Node #0,0,1: 53:[58, 10] Operation: 62-52=10 Moving to Node #0,0,1 Current State: 53:[58, 10], Operations: ['33+19=52', '62-52=10'] Exploring Operation: 58+10=68, Resulting Numbers: [68] 68,53 unequal: No Solution Exploring Operation: 58-10=48, Resulting Numbers: [48] 48,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[52, 4], Operations: ['33+19=52', '62-58=4'] Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,53 unequal: No Solution Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[58, 33, 43], Operations: ['62-19=43'] Exploring Operation: 33+43=76, Resulting Numbers: [58, 76] Generated Node #0,1,0: 53:[58, 76] Operation: 33+43=76 Exploring Operation: 58-33=25, Resulting Numbers: [43, 25] Generated Node #0,1,1: 53:[43, 25] Operation: 58-33=25 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[58, 76], Operations: ['62-19=43', '33+43=76'] Exploring Operation: 58+76=134, Resulting Numbers: [134] 134,53 unequal: No Solution Exploring Operation: 76-58=18, Resulting Numbers: [18] 18,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 53:[43, 25], Operations: ['62-19=43', '58-33=25'] Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,53 unequal: No Solution Exploring Operation: 43+25=68, Resulting Numbers: [68] 68,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 78, 98, 91, 52 ]
32
[ "78*98=7644", "7644/91=84", "84-52=32" ]
Current State: 32:[78, 98, 91, 52], Operations: [] Exploring Operation: 78*98=7644, Resulting Numbers: [91, 52, 7644] Generated Node #2: [91, 52, 7644] from Operation: 78*98=7644 Current State: 32:[91, 52, 7644], Operations: ['78*98=7644'] Exploring Operation: 7644/91=84, Resulting Numbers: [52, 84] Generated Node #3: [52, 84] from Operation: 7644/91=84 Current State: 32:[52, 84], Operations: ['78*98=7644', '7644/91=84'] Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[78, 98, 91, 52], Operations: [] Exploring Operation: 91-78=13, Resulting Numbers: [98, 52, 13] Generated Node #0,0: 32:[98, 52, 13] Operation: 91-78=13 Exploring Operation: 98-78=20, Resulting Numbers: [91, 52, 20] Generated Node #0,1: 32:[91, 52, 20] Operation: 98-78=20 Exploring Operation: 98-91=7, Resulting Numbers: [78, 52, 7] Generated Node #0,2: 32:[78, 52, 7] Operation: 98-91=7 Moving to Node #0,2 Current State: 32:[78, 52, 7], Operations: ['98-91=7'] Exploring Operation: 78-7=71, Resulting Numbers: [52, 71] Generated Node #0,2,0: 32:[52, 71] Operation: 78-7=71 Exploring Operation: 78-52=26, Resulting Numbers: [7, 26] Generated Node #0,2,1: 32:[7, 26] Operation: 78-52=26 Exploring Operation: 52-7=45, Resulting Numbers: [78, 45] Generated Node #0,2,2: 32:[78, 45] Operation: 52-7=45 Moving to Node #0,1 Current State: 32:[91, 52, 20], Operations: ['98-78=20'] Exploring Operation: 91-52=39, Resulting Numbers: [20, 39] Generated Node #0,1,0: 32:[20, 39] Operation: 91-52=39 Exploring Operation: 52-20=32, Resulting Numbers: [91, 32] Generated Node #0,1,1: 32:[91, 32] Operation: 52-20=32 Exploring Operation: 91-20=71, Resulting Numbers: [52, 71] Generated Node #0,1,2: 32:[52, 71] Operation: 91-20=71 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 32:[20, 39], Operations: ['98-78=20', '91-52=39'] Exploring Operation: 20+39=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,32 unequal: No Solution Exploring Operation: 20*39=780, Resulting Numbers: [780] 780,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 32:[91, 32], Operations: ['98-78=20', '52-20=32'] Exploring Operation: 91-32=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 91+32=123, Resulting Numbers: [123] 123,32 unequal: No Solution Exploring Operation: 91*32=2912, Resulting Numbers: [2912] 2912,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 32:[52, 71], Operations: ['98-78=20', '91-20=71'] Exploring Operation: 52+71=123, Resulting Numbers: [123] 123,32 unequal: No Solution Exploring Operation: 71-52=19, Resulting Numbers: [19] 19,32 unequal: No Solution Exploring Operation: 52*71=3692, Resulting Numbers: [3692] 3692,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 32:[98, 52, 13], Operations: ['91-78=13'] Exploring Operation: 98-13=85, Resulting Numbers: [52, 85] Generated Node #0,0,0: 32:[52, 85] Operation: 98-13=85 Exploring Operation: 98-52=46, Resulting Numbers: [13, 46] Generated Node #0,0,1: 32:[13, 46] Operation: 98-52=46 Exploring Operation: 52/13=4, Resulting Numbers: [98, 4] Generated Node #0,0,2: 32:[98, 4] Operation: 52/13=4 Moving to Node #0,2,1 Current State: 32:[7, 26], Operations: ['98-91=7', '78-52=26'] Exploring Operation: 7+26=33, Resulting Numbers: [33] 33,32 unequal: No Solution Exploring Operation: 7*26=182, Resulting Numbers: [182] 182,32 unequal: No Solution Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[13, 46], Operations: ['91-78=13', '98-52=46'] Exploring Operation: 13+46=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,32 unequal: No Solution Exploring Operation: 13*46=598, Resulting Numbers: [598] 598,32 unequal: No Solution Moving to Node #0,2,2 Current State: 32:[78, 45], Operations: ['98-91=7', '52-7=45'] Exploring Operation: 78*45=3510, Resulting Numbers: [3510] 3510,32 unequal: No Solution Exploring Operation: 78-45=33, Resulting Numbers: [33] 33,32 unequal: No Solution Exploring Operation: 78+45=123, Resulting Numbers: [123] 123,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[52, 71], Operations: ['98-91=7', '78-7=71'] Exploring Operation: 52+71=123, Resulting Numbers: [123] 123,32 unequal: No Solution Exploring Operation: 52*71=3692, Resulting Numbers: [3692] 3692,32 unequal: No Solution Exploring Operation: 71-52=19, Resulting Numbers: [19] 19,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[98, 4], Operations: ['91-78=13', '52/13=4'] Exploring Operation: 98-4=94, Resulting Numbers: [94] 94,32 unequal: No Solution Exploring Operation: 98+4=102, Resulting Numbers: [102] 102,32 unequal: No Solution Exploring Operation: 98*4=392, Resulting Numbers: [392] 392,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[52, 85], Operations: ['91-78=13', '98-13=85'] Exploring Operation: 85-52=33, Resulting Numbers: [33] 33,32 unequal: No Solution Exploring Operation: 52*85=4420, Resulting Numbers: [4420] 4420,32 unequal: No Solution Exploring Operation: 52+85=137, Resulting Numbers: [137] 137,32 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 48, 45, 56, 99 ]
62
[ "48+45=93", "56+99=155", "155-93=62" ]
Current State: 62:[48, 45, 56, 99], Operations: [] Exploring Operation: 48+45=93, Resulting Numbers: [56, 99, 93] Generated Node #2: [56, 99, 93] from Operation: 48+45=93 Current State: 62:[56, 99, 93], Operations: ['48+45=93'] Exploring Operation: 56+99=155, Resulting Numbers: [93, 155] Generated Node #3: [93, 155] from Operation: 56+99=155 Current State: 62:[93, 155], Operations: ['48+45=93', '56+99=155'] Exploring Operation: 155-93=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[48, 45, 56, 99], Operations: [] Exploring Operation: 99-48=51, Resulting Numbers: [45, 56, 51] Generated Node #0,0: 62:[45, 56, 51] Operation: 99-48=51 Exploring Operation: 99-45=54, Resulting Numbers: [48, 56, 54] Generated Node #0,1: 62:[48, 56, 54] Operation: 99-45=54 Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[48, 56, 54], Operations: ['99-45=54'] Exploring Operation: 56-48=8, Resulting Numbers: [54, 8] Generated Node #0,1,0: 62:[54, 8] Operation: 56-48=8 Exploring Operation: 54-48=6, Resulting Numbers: [56, 6] Generated Node #0,1,1: 62:[56, 6] Operation: 54-48=6 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 62:[56, 6], Operations: ['99-45=54', '54-48=6'] Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[48, 45, 56, 99], Operations: [] Exploring Operation: 99-45=54, Resulting Numbers: [48, 56, 54] Generated Node #0,1: 62:[48, 56, 54] Operation: 99-45=54 Moving to Node #0,1 Current State: 62:[48, 56, 54], Operations: ['99-45=54'] Exploring Operation: 54-48=6, Resulting Numbers: [56, 6] Generated Node #0,1,1: 62:[56, 6] Operation: 54-48=6 Moving to Node #0,1,1 Current State: 62:[56, 6], Operations: ['99-45=54', '54-48=6'] Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 62, 74, 58, 7 ]
63
[ "74-62=12", "58-7=51", "12+51=63" ]
Current State: 63:[62, 74, 58, 7], Operations: [] Exploring Operation: 74-62=12, Resulting Numbers: [58, 7, 12] Generated Node #2: [58, 7, 12] from Operation: 74-62=12 Current State: 63:[58, 7, 12], Operations: ['74-62=12'] Exploring Operation: 58-7=51, Resulting Numbers: [12, 51] Generated Node #3: [12, 51] from Operation: 58-7=51 Current State: 63:[12, 51], Operations: ['74-62=12', '58-7=51'] Exploring Operation: 12+51=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[62, 74, 58, 7], Operations: [] Exploring Operation: 62-58=4, Resulting Numbers: [74, 7, 4] Generated Node #0,0: 63:[74, 7, 4] Operation: 62-58=4 Exploring Operation: 74-7=67, Resulting Numbers: [62, 58, 67] Generated Node #0,1: 63:[62, 58, 67] Operation: 74-7=67 Exploring Operation: 74-62=12, Resulting Numbers: [58, 7, 12] Generated Node #0,2: 63:[58, 7, 12] Operation: 74-62=12 Exploring Operation: 74-58=16, Resulting Numbers: [62, 7, 16] Generated Node #0,3: 63:[62, 7, 16] Operation: 74-58=16 Start Sub Search at level 1: Moving to Node #0,3 Current State: 63:[62, 7, 16], Operations: ['74-58=16'] Exploring Operation: 62-7=55, Resulting Numbers: [16, 55] Generated Node #0,3,0: 63:[16, 55] Operation: 62-7=55 Exploring Operation: 7+16=23, Resulting Numbers: [62, 23] Generated Node #0,3,1: 63:[62, 23] Operation: 7+16=23 Exploring Operation: 16-7=9, Resulting Numbers: [62, 9] Generated Node #0,3,2: 63:[62, 9] Operation: 16-7=9 Exploring Operation: 62+7=69, Resulting Numbers: [16, 69] Generated Node #0,3,3: 63:[16, 69] Operation: 62+7=69 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 63:[62, 9], Operations: ['74-58=16', '16-7=9'] Exploring Operation: 62+9=71, Resulting Numbers: [71] 71,63 unequal: No Solution Exploring Operation: 62-9=53, Resulting Numbers: [53] 53,63 unequal: No Solution Exploring Operation: 62*9=558, Resulting Numbers: [558] 558,63 unequal: No Solution No 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: 63:[62, 23], Operations: ['74-58=16', '7+16=23'] Exploring Operation: 62*23=1426, Resulting Numbers: [1426] 1426,63 unequal: No Solution Exploring Operation: 62+23=85, Resulting Numbers: [85] 85,63 unequal: No Solution Exploring Operation: 62-23=39, Resulting Numbers: [39] 39,63 unequal: No Solution No 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: 63:[16, 69], Operations: ['74-58=16', '62+7=69'] Exploring Operation: 69-16=53, Resulting Numbers: [53] 53,63 unequal: No Solution Exploring Operation: 16*69=1104, Resulting Numbers: [1104] 1104,63 unequal: No Solution Exploring Operation: 16+69=85, Resulting Numbers: [85] 85,63 unequal: No Solution No 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: 63:[16, 55], Operations: ['74-58=16', '62-7=55'] Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,63 unequal: No Solution Exploring Operation: 16+55=71, Resulting Numbers: [71] 71,63 unequal: No Solution Exploring Operation: 16*55=880, Resulting Numbers: [880] 880,63 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: 63:[58, 7, 12], Operations: ['74-62=12'] Exploring Operation: 58+12=70, Resulting Numbers: [7, 70] Generated Node #0,2,0: 63:[7, 70] Operation: 58+12=70 Exploring Operation: 58+7=65, Resulting Numbers: [12, 65] Generated Node #0,2,1: 63:[12, 65] Operation: 58+7=65 Exploring Operation: 12-7=5, Resulting Numbers: [58, 5] Generated Node #0,2,2: 63:[58, 5] Operation: 12-7=5 Exploring Operation: 7+12=19, Resulting Numbers: [58, 19] Generated Node #0,2,3: 63:[58, 19] Operation: 7+12=19 Moving to Node #0,2,1 Current State: 63:[12, 65], Operations: ['74-62=12', '58+7=65'] Exploring Operation: 12*65=780, Resulting Numbers: [780] 780,63 unequal: No Solution Exploring Operation: 12+65=77, Resulting Numbers: [77] 77,63 unequal: No Solution Exploring Operation: 65-12=53, Resulting Numbers: [53] 53,63 unequal: No Solution Moving to Node #0,2,2 Current State: 63:[58, 5], Operations: ['74-62=12', '12-7=5'] Exploring Operation: 58+5=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[62, 74, 58, 7], Operations: [] Exploring Operation: 74-62=12, Resulting Numbers: [58, 7, 12] Generated Node #0,2: 63:[58, 7, 12] Operation: 74-62=12 Moving to Node #0,2 Current State: 63:[58, 7, 12], Operations: ['74-62=12'] Exploring Operation: 12-7=5, Resulting Numbers: [58, 5] Generated Node #0,2,2: 63:[58, 5] Operation: 12-7=5 Moving to Node #0,2,2 Current State: 63:[58, 5], Operations: ['74-62=12', '12-7=5'] Exploring Operation: 58+5=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_4
sum_heuristic
[ 24, 78, 90, 99 ]
65
[ "99-24=75", "78*75=5850", "5850/90=65" ]
Current State: 65:[24, 78, 90, 99], Operations: [] Exploring Operation: 99-24=75, Resulting Numbers: [78, 90, 75] Generated Node #2: [78, 90, 75] from Operation: 99-24=75 Current State: 65:[78, 90, 75], Operations: ['99-24=75'] Exploring Operation: 78*75=5850, Resulting Numbers: [90, 5850] Generated Node #3: [90, 5850] from Operation: 78*75=5850 Current State: 65:[90, 5850], Operations: ['99-24=75', '78*75=5850'] Exploring Operation: 5850/90=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[24, 78, 90, 99], Operations: [] Exploring Operation: 99-90=9, Resulting Numbers: [24, 78, 9] Generated Node #0,0: 65:[24, 78, 9] Operation: 99-90=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[24, 78, 9], Operations: ['99-90=9'] Exploring Operation: 78-24=54, Resulting Numbers: [9, 54] Generated Node #0,0,0: 65:[9, 54] Operation: 78-24=54 Moving to Node #0,0,0 Current State: 65:[9, 54], Operations: ['99-90=9', '78-24=54'] Exploring Operation: 54/9=6, Resulting Numbers: [6] 6,65 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
[ 60, 74, 2, 17 ]
84
[ "60+74=134", "134/2=67", "17+67=84" ]
Current State: 84:[60, 74, 2, 17], Operations: [] Exploring Operation: 60+74=134, Resulting Numbers: [2, 17, 134] Generated Node #2: [2, 17, 134] from Operation: 60+74=134 Current State: 84:[2, 17, 134], Operations: ['60+74=134'] Exploring Operation: 134/2=67, Resulting Numbers: [17, 67] Generated Node #3: [17, 67] from Operation: 134/2=67 Current State: 84:[17, 67], Operations: ['60+74=134', '134/2=67'] Exploring Operation: 17+67=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[60, 74, 2, 17], Operations: [] Exploring Operation: 60/2=30, Resulting Numbers: [74, 17, 30] Generated Node #0,0: 84:[74, 17, 30] Operation: 60/2=30 Exploring Operation: 60-17=43, Resulting Numbers: [74, 2, 43] Generated Node #0,1: 84:[74, 2, 43] Operation: 60-17=43 Exploring Operation: 74-60=14, Resulting Numbers: [2, 17, 14] Generated Node #0,2: 84:[2, 17, 14] Operation: 74-60=14 Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[2, 17, 14], Operations: ['74-60=14'] Exploring Operation: 17-2=15, Resulting Numbers: [14, 15] Generated Node #0,2,0: 84:[14, 15] Operation: 17-2=15 Exploring Operation: 2+17=19, Resulting Numbers: [14, 19] Generated Node #0,2,1: 84:[14, 19] Operation: 2+17=19 Exploring Operation: 17-14=3, Resulting Numbers: [2, 3] Generated Node #0,2,2: 84:[2, 3] Operation: 17-14=3 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 84:[2, 3], Operations: ['74-60=14', '17-14=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,84 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 84:[14, 15], Operations: ['74-60=14', '17-2=15'] Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,84 unequal: No Solution Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,84 unequal: No Solution Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 84:[14, 19], Operations: ['74-60=14', '2+17=19'] Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 14+19=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 14*19=266, Resulting Numbers: [266] 266,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[74, 2, 43], Operations: ['60-17=43'] Exploring Operation: 74-43=31, Resulting Numbers: [2, 31] Generated Node #0,1,0: 84:[2, 31] Operation: 74-43=31 Exploring Operation: 74+2=76, Resulting Numbers: [43, 76] Generated Node #0,1,1: 84:[43, 76] Operation: 74+2=76 Exploring Operation: 74/2=37, Resulting Numbers: [43, 37] Generated Node #0,1,2: 84:[43, 37] Operation: 74/2=37 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 84:[2, 31], Operations: ['60-17=43', '74-43=31'] Exploring Operation: 2*31=62, Resulting Numbers: [62] 62,84 unequal: No Solution Exploring Operation: 2+31=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 84:[43, 37], Operations: ['60-17=43', '74/2=37'] Exploring Operation: 43+37=80, Resulting Numbers: [80] 80,84 unequal: No Solution Exploring Operation: 43-37=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 43*37=1591, Resulting Numbers: [1591] 1591,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 84:[43, 76], Operations: ['60-17=43', '74+2=76'] Exploring Operation: 43*76=3268, Resulting Numbers: [3268] 3268,84 unequal: No Solution Exploring Operation: 76-43=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 43+76=119, Resulting Numbers: [119] 119,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[74, 17, 30], Operations: ['60/2=30'] Exploring Operation: 74+17=91, Resulting Numbers: [30, 91] Generated Node #0,0,0: 84:[30, 91] Operation: 74+17=91 Exploring Operation: 74-30=44, Resulting Numbers: [17, 44] Generated Node #0,0,1: 84:[17, 44] Operation: 74-30=44 Exploring Operation: 30-17=13, Resulting Numbers: [74, 13] Generated Node #0,0,2: 84:[74, 13] Operation: 30-17=13 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 84:[17, 44], Operations: ['60/2=30', '74-30=44'] Exploring Operation: 44-17=27, Resulting Numbers: [27] 27,84 unequal: No Solution Exploring Operation: 17+44=61, Resulting Numbers: [61] 61,84 unequal: No Solution Exploring Operation: 17*44=748, Resulting Numbers: [748] 748,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[30, 91], Operations: ['60/2=30', '74+17=91'] Exploring Operation: 30*91=2730, Resulting Numbers: [2730] 2730,84 unequal: No Solution Exploring Operation: 91-30=61, Resulting Numbers: [61] 61,84 unequal: No Solution Exploring Operation: 30+91=121, Resulting Numbers: [121] 121,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 84:[74, 13], Operations: ['60/2=30', '30-17=13'] Exploring Operation: 74+13=87, Resulting Numbers: [87] 87,84 unequal: No Solution Exploring Operation: 74*13=962, Resulting Numbers: [962] 962,84 unequal: No Solution Exploring Operation: 74-13=61, Resulting Numbers: [61] 61,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 78, 28, 87, 47 ]
10
[ "78-28=50", "87-47=40", "50-40=10" ]
Current State: 10:[78, 28, 87, 47], Operations: [] Exploring Operation: 78-28=50, Resulting Numbers: [87, 47, 50] Generated Node #2: [87, 47, 50] from Operation: 78-28=50 Current State: 10:[87, 47, 50], Operations: ['78-28=50'] Exploring Operation: 87-47=40, Resulting Numbers: [50, 40] Generated Node #3: [50, 40] from Operation: 87-47=40 Current State: 10:[50, 40], Operations: ['78-28=50', '87-47=40'] Exploring Operation: 50-40=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[78, 28, 87, 47], Operations: [] Exploring Operation: 87-78=9, Resulting Numbers: [28, 47, 9] Generated Node #0,0: 10:[28, 47, 9] Operation: 87-78=9 Exploring Operation: 87-47=40, Resulting Numbers: [78, 28, 40] Generated Node #0,1: 10:[78, 28, 40] Operation: 87-47=40 Exploring Operation: 78-47=31, Resulting Numbers: [28, 87, 31] Generated Node #0,2: 10:[28, 87, 31] Operation: 78-47=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[28, 47, 9], Operations: ['87-78=9'] Exploring Operation: 47-9=38, Resulting Numbers: [28, 38] Generated Node #0,0,0: 10:[28, 38] Operation: 47-9=38 Exploring Operation: 28-9=19, Resulting Numbers: [47, 19] Generated Node #0,0,1: 10:[47, 19] Operation: 28-9=19 Exploring Operation: 47-28=19, Resulting Numbers: [9, 19] Generated Node #0,0,2: 10:[9, 19] Operation: 47-28=19 Moving to Node #0,0,2 Current State: 10:[9, 19], Operations: ['87-78=9', '47-28=19'] Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[78, 28, 87, 47], Operations: [] Exploring Operation: 87-78=9, Resulting Numbers: [28, 47, 9] Generated Node #0,0: 10:[28, 47, 9] Operation: 87-78=9 Moving to Node #0,0 Current State: 10:[28, 47, 9], Operations: ['87-78=9'] Exploring Operation: 47-28=19, Resulting Numbers: [9, 19] Generated Node #0,0,2: 10:[9, 19] Operation: 47-28=19 Moving to Node #0,0,2 Current State: 10:[9, 19], Operations: ['87-78=9', '47-28=19'] Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 74, 11, 74, 5 ]
50
[ "74/74=1", "11-1=10", "5*10=50" ]
Current State: 50:[74, 11, 74, 5], Operations: [] Exploring Operation: 74/74=1, Resulting Numbers: [11, 5, 1] Generated Node #2: [11, 5, 1] from Operation: 74/74=1 Current State: 50:[11, 5, 1], Operations: ['74/74=1'] Exploring Operation: 11-1=10, Resulting Numbers: [5, 10] Generated Node #3: [5, 10] from Operation: 11-1=10 Current State: 50:[5, 10], Operations: ['74/74=1', '11-1=10'] Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[74, 11, 74, 5], Operations: [] Exploring Operation: 74/74=1, Resulting Numbers: [11, 5, 1] Generated Node #0,0: 50:[11, 5, 1] Operation: 74/74=1 Exploring Operation: 74-11=63, Resulting Numbers: [74, 5, 63] Generated Node #0,1: 50:[74, 5, 63] Operation: 74-11=63 Exploring Operation: 74-74=0, Resulting Numbers: [11, 5, 0] Generated Node #0,2: 50:[11, 5, 0] Operation: 74-74=0 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[11, 5, 1], Operations: ['74/74=1'] Exploring Operation: 11-1=10, Resulting Numbers: [5, 10] Generated Node #0,0,0: 50:[5, 10] Operation: 11-1=10 Exploring Operation: 11*1=11, Resulting Numbers: [5, 11] Generated Node #0,0,1: 50:[5, 11] Operation: 11*1=11 Exploring Operation: 11/1=11, Resulting Numbers: [5, 11] Generated Node #0,0,2: 50:[5, 11] Operation: 11/1=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 50:[5, 10], Operations: ['74/74=1', '11-1=10'] Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[74, 11, 74, 5], Operations: [] Exploring Operation: 74/74=1, Resulting Numbers: [11, 5, 1] Generated Node #0,0: 50:[11, 5, 1] Operation: 74/74=1 Moving to Node #0,0 Current State: 50:[11, 5, 1], Operations: ['74/74=1'] Exploring Operation: 11-1=10, Resulting Numbers: [5, 10] Generated Node #0,0,0: 50:[5, 10] Operation: 11-1=10 Moving to Node #0,0,0 Current State: 50:[5, 10], Operations: ['74/74=1', '11-1=10'] Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 64, 99, 23, 99 ]
23
[ "99-99=0", "64*0=0", "23+0=23" ]
Current State: 23:[64, 99, 23, 99], Operations: [] Exploring Operation: 99-99=0, Resulting Numbers: [64, 23, 0] Generated Node #2: [64, 23, 0] from Operation: 99-99=0 Current State: 23:[64, 23, 0], Operations: ['99-99=0'] Exploring Operation: 64*0=0, Resulting Numbers: [23, 0] Generated Node #3: [23, 0] from Operation: 64*0=0 Current State: 23:[23, 0], Operations: ['99-99=0', '64*0=0'] Exploring Operation: 23+0=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[64, 99, 23, 99], Operations: [] Exploring Operation: 99-64=35, Resulting Numbers: [23, 99, 35] Generated Node #0,0: 23:[23, 99, 35] Operation: 99-64=35 Exploring Operation: 99/99=1, Resulting Numbers: [64, 23, 1] Generated Node #0,1: 23:[64, 23, 1] Operation: 99/99=1 Exploring Operation: 99-99=0, Resulting Numbers: [64, 23, 0] Generated Node #0,2: 23:[64, 23, 0] Operation: 99-99=0 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[64, 23, 1], Operations: ['99/99=1'] Exploring Operation: 64*1=64, Resulting Numbers: [23, 64] Generated Node #0,1,0: 23:[23, 64] Operation: 64*1=64 Exploring Operation: 64-1=63, Resulting Numbers: [23, 63] Generated Node #0,1,1: 23:[23, 63] Operation: 64-1=63 Exploring Operation: 64-23=41, Resulting Numbers: [1, 41] Generated Node #0,1,2: 23:[1, 41] Operation: 64-23=41 Moving to Node #0,1,1 Current State: 23:[23, 63], Operations: ['99/99=1', '64-1=63'] Exploring Operation: 23+63=86, Resulting Numbers: [86] 86,23 unequal: No Solution Exploring Operation: 23*63=1449, Resulting Numbers: [1449] 1449,23 unequal: No Solution Exploring Operation: 63-23=40, Resulting Numbers: [40] 40,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[1, 41], Operations: ['99/99=1', '64-23=41'] Exploring Operation: 1*41=41, Resulting Numbers: [41] 41,23 unequal: No Solution Exploring Operation: 41-1=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[23, 64], Operations: ['99/99=1', '64*1=64'] Exploring Operation: 23*64=1472, Resulting Numbers: [1472] 1472,23 unequal: No Solution Exploring Operation: 64-23=41, Resulting Numbers: [41] 41,23 unequal: No Solution Exploring Operation: 23+64=87, Resulting Numbers: [87] 87,23 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 #0,2 Current State: 23:[64, 23, 0], Operations: ['99-99=0'] Exploring Operation: 64*0=0, Resulting Numbers: [23, 0] Generated Node #0,2,0: 23:[23, 0] Operation: 64*0=0 Exploring Operation: 64-23=41, Resulting Numbers: [0, 41] Generated Node #0,2,1: 23:[0, 41] Operation: 64-23=41 Exploring Operation: 64+0=64, Resulting Numbers: [23, 64] Generated Node #0,2,2: 23:[23, 64] Operation: 64+0=64 Moving to Node #0,2,0 Current State: 23:[23, 0], Operations: ['99-99=0', '64*0=0'] Exploring Operation: 23*0=0, Resulting Numbers: [0] 0,23 unequal: No Solution Exploring Operation: 23-0=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[64, 99, 23, 99], Operations: [] Exploring Operation: 99-99=0, Resulting Numbers: [64, 23, 0] Generated Node #0,2: 23:[64, 23, 0] Operation: 99-99=0 Moving to Node #0,2 Current State: 23:[64, 23, 0], Operations: ['99-99=0'] Exploring Operation: 64*0=0, Resulting Numbers: [23, 0] Generated Node #0,2,0: 23:[23, 0] Operation: 64*0=0 Moving to Node #0,2,0 Current State: 23:[23, 0], Operations: ['99-99=0', '64*0=0'] Exploring Operation: 23-0=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 44, 47, 3, 72 ]
67
[ "44+47=91", "72/3=24", "91-24=67" ]
Current State: 67:[44, 47, 3, 72], Operations: [] Exploring Operation: 44+47=91, Resulting Numbers: [3, 72, 91] Generated Node #2: [3, 72, 91] from Operation: 44+47=91 Current State: 67:[3, 72, 91], Operations: ['44+47=91'] Exploring Operation: 72/3=24, Resulting Numbers: [91, 24] Generated Node #3: [91, 24] from Operation: 72/3=24 Current State: 67:[91, 24], Operations: ['44+47=91', '72/3=24'] Exploring Operation: 91-24=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[44, 47, 3, 72], Operations: [] Exploring Operation: 44-3=41, Resulting Numbers: [47, 72, 41] Generated Node #0,0: 67:[47, 72, 41] Operation: 44-3=41 Exploring Operation: 47+3=50, Resulting Numbers: [44, 72, 50] Generated Node #0,1: 67:[44, 72, 50] Operation: 47+3=50 Exploring Operation: 72-3=69, Resulting Numbers: [44, 47, 69] Generated Node #0,2: 67:[44, 47, 69] Operation: 72-3=69 Exploring Operation: 44+3=47, Resulting Numbers: [47, 72, 47] Generated Node #0,3: 67:[47, 72, 47] Operation: 44+3=47 Moving to Node #0,1 Current State: 67:[44, 72, 50], Operations: ['47+3=50'] Exploring Operation: 72-44=28, Resulting Numbers: [50, 28] Generated Node #0,1,0: 67:[50, 28] Operation: 72-44=28 Exploring Operation: 44+72=116, Resulting Numbers: [50, 116] Generated Node #0,1,1: 67:[50, 116] Operation: 44+72=116 Exploring Operation: 50-44=6, Resulting Numbers: [72, 6] Generated Node #0,1,2: 67:[72, 6] Operation: 50-44=6 Exploring Operation: 44+50=94, Resulting Numbers: [72, 94] Generated Node #0,1,3: 67:[72, 94] Operation: 44+50=94 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 67:[72, 94], Operations: ['47+3=50', '44+50=94'] Exploring Operation: 72*94=6768, Resulting Numbers: [6768] 6768,67 unequal: No Solution Exploring Operation: 94-72=22, Resulting Numbers: [22] 22,67 unequal: No Solution Exploring Operation: 72+94=166, Resulting Numbers: [166] 166,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 67:[50, 28], Operations: ['47+3=50', '72-44=28'] Exploring Operation: 50-28=22, Resulting Numbers: [22] 22,67 unequal: No Solution Exploring Operation: 50+28=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 50*28=1400, Resulting Numbers: [1400] 1400,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 67:[50, 116], Operations: ['47+3=50', '44+72=116'] Exploring Operation: 50+116=166, Resulting Numbers: [166] 166,67 unequal: No Solution Exploring Operation: 116-50=66, Resulting Numbers: [66] 66,67 unequal: No Solution Exploring Operation: 50*116=5800, Resulting Numbers: [5800] 5800,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 67:[72, 6], Operations: ['47+3=50', '50-44=6'] Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,67 unequal: No Solution Exploring Operation: 72/6=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 72+6=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 72*6=432, Resulting Numbers: [432] 432,67 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: 67:[47, 72, 47], Operations: ['44+3=47'] Exploring Operation: 72-47=25, Resulting Numbers: [47, 25] Generated Node #0,3,0: 67:[47, 25] Operation: 72-47=25 Exploring Operation: 72-47=25, Resulting Numbers: [47, 25] Generated Node #0,3,1: 67:[47, 25] Operation: 72-47=25 Exploring Operation: 47+47=94, Resulting Numbers: [72, 94] Generated Node #0,3,2: 67:[72, 94] Operation: 47+47=94 Exploring Operation: 47/47=1, Resulting Numbers: [72, 1] Generated Node #0,3,3: 67:[72, 1] Operation: 47/47=1 Moving to Node #0,2 Current State: 67:[44, 47, 69], Operations: ['72-3=69'] Exploring Operation: 44+69=113, Resulting Numbers: [47, 113] Generated Node #0,2,0: 67:[47, 113] Operation: 44+69=113 Exploring Operation: 69-44=25, Resulting Numbers: [47, 25] Generated Node #0,2,1: 67:[47, 25] Operation: 69-44=25 Exploring Operation: 47-44=3, Resulting Numbers: [69, 3] Generated Node #0,2,2: 67:[69, 3] Operation: 47-44=3 Exploring Operation: 44+47=91, Resulting Numbers: [69, 91] Generated Node #0,2,3: 67:[69, 91] Operation: 44+47=91 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 67:[69, 91], Operations: ['72-3=69', '44+47=91'] Exploring Operation: 91-69=22, Resulting Numbers: [22] 22,67 unequal: No Solution Exploring Operation: 69+91=160, Resulting Numbers: [160] 160,67 unequal: No Solution Exploring Operation: 69*91=6279, Resulting Numbers: [6279] 6279,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 67:[47, 25], Operations: ['72-3=69', '69-44=25'] Exploring Operation: 47+25=72, Resulting Numbers: [72] 72,67 unequal: No Solution Exploring Operation: 47*25=1175, Resulting Numbers: [1175] 1175,67 unequal: No Solution Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[47, 113], Operations: ['72-3=69', '44+69=113'] Exploring Operation: 47+113=160, Resulting Numbers: [160] 160,67 unequal: No Solution Exploring Operation: 113-47=66, Resulting Numbers: [66] 66,67 unequal: No Solution Exploring Operation: 47*113=5311, Resulting Numbers: [5311] 5311,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 67:[69, 3], Operations: ['72-3=69', '47-44=3'] Exploring Operation: 69*3=207, Resulting Numbers: [207] 207,67 unequal: No Solution Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,67 unequal: No Solution Exploring Operation: 69+3=72, Resulting Numbers: [72] 72,67 unequal: No Solution Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,67 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: 67:[47, 72, 41], Operations: ['44-3=41'] Exploring Operation: 72-41=31, Resulting Numbers: [47, 31] Generated Node #0,0,0: 67:[47, 31] Operation: 72-41=31 Exploring Operation: 47-41=6, Resulting Numbers: [72, 6] Generated Node #0,0,1: 67:[72, 6] Operation: 47-41=6 Exploring Operation: 47+41=88, Resulting Numbers: [72, 88] Generated Node #0,0,2: 67:[72, 88] Operation: 47+41=88 Exploring Operation: 72+41=113, Resulting Numbers: [47, 113] Generated Node #0,0,3: 67:[47, 113] Operation: 72+41=113 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 67:[72, 88], Operations: ['44-3=41', '47+41=88'] Exploring Operation: 72+88=160, Resulting Numbers: [160] 160,67 unequal: No Solution Exploring Operation: 88-72=16, Resulting Numbers: [16] 16,67 unequal: No Solution Exploring Operation: 72*88=6336, Resulting Numbers: [6336] 6336,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[47, 31], Operations: ['44-3=41', '72-41=31'] Exploring Operation: 47*31=1457, Resulting Numbers: [1457] 1457,67 unequal: No Solution Exploring Operation: 47+31=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 67:[72, 6], Operations: ['44-3=41', '47-41=6'] Exploring Operation: 72/6=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,67 unequal: No Solution Exploring Operation: 72*6=432, Resulting Numbers: [432] 432,67 unequal: No Solution Exploring Operation: 72+6=78, Resulting Numbers: [78] 78,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 67:[47, 113], Operations: ['44-3=41', '72+41=113'] Exploring Operation: 47+113=160, Resulting Numbers: [160] 160,67 unequal: No Solution Exploring Operation: 113-47=66, Resulting Numbers: [66] 66,67 unequal: No Solution Exploring Operation: 47*113=5311, Resulting Numbers: [5311] 5311,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,2 Current State: 67:[72, 94], Operations: ['44+3=47', '47+47=94'] Exploring Operation: 94-72=22, Resulting Numbers: [22] 22,67 unequal: No Solution Exploring Operation: 72+94=166, Resulting Numbers: [166] 166,67 unequal: No Solution Exploring Operation: 72*94=6768, Resulting Numbers: [6768] 6768,67 unequal: No Solution Moving to Node #0,3,1 Current State: 67:[47, 25], Operations: ['44+3=47', '72-47=25'] Exploring Operation: 47+25=72, Resulting Numbers: [72] 72,67 unequal: No Solution Exploring Operation: 47*25=1175, Resulting Numbers: [1175] 1175,67 unequal: No Solution Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,67 unequal: No Solution Moving to Node #0,3,0 Current State: 67:[47, 25], Operations: ['44+3=47', '72-47=25'] Exploring Operation: 47+25=72, Resulting Numbers: [72] 72,67 unequal: No Solution Exploring Operation: 47*25=1175, Resulting Numbers: [1175] 1175,67 unequal: No Solution Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,67 unequal: No Solution Moving to Node #0,3,3 Current State: 67:[72, 1], Operations: ['44+3=47', '47/47=1'] Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,67 unequal: No Solution Exploring Operation: 72/1=72, Resulting Numbers: [72] 72,67 unequal: No Solution Exploring Operation: 72+1=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,67 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 10, 11, 69, 11 ]
42
[ "10+69=79", "11*11=121", "121-79=42" ]
Current State: 42:[10, 11, 69, 11], Operations: [] Exploring Operation: 10+69=79, Resulting Numbers: [11, 11, 79] Generated Node #2: [11, 11, 79] from Operation: 10+69=79 Current State: 42:[11, 11, 79], Operations: ['10+69=79'] Exploring Operation: 11*11=121, Resulting Numbers: [79, 121] Generated Node #3: [79, 121] from Operation: 11*11=121 Current State: 42:[79, 121], Operations: ['10+69=79', '11*11=121'] Exploring Operation: 121-79=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[10, 11, 69, 11], Operations: [] Exploring Operation: 69-10=59, Resulting Numbers: [11, 11, 59] Generated Node #0,0: 42:[11, 11, 59] Operation: 69-10=59 Exploring Operation: 69-11=58, Resulting Numbers: [10, 11, 58] Generated Node #0,1: 42:[10, 11, 58] Operation: 69-11=58 Exploring Operation: 69-11=58, Resulting Numbers: [10, 11, 58] Generated Node #0,2: 42:[10, 11, 58] Operation: 69-11=58 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[10, 11, 58], Operations: ['69-11=58'] Exploring Operation: 58-11=47, Resulting Numbers: [10, 47] Generated Node #0,1,0: 42:[10, 47] Operation: 58-11=47 Exploring Operation: 58-10=48, Resulting Numbers: [11, 48] Generated Node #0,1,1: 42:[11, 48] Operation: 58-10=48 Exploring Operation: 10+11=21, Resulting Numbers: [58, 21] Generated Node #0,1,2: 42:[58, 21] Operation: 10+11=21 Moving to Node #0,1,0 Current State: 42:[10, 47], Operations: ['69-11=58', '58-11=47'] Exploring Operation: 10*47=470, Resulting Numbers: [470] 470,42 unequal: No Solution Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 10+47=57, Resulting Numbers: [57] 57,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[11, 48], Operations: ['69-11=58', '58-10=48'] Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 11*48=528, Resulting Numbers: [528] 528,42 unequal: No Solution Exploring Operation: 11+48=59, Resulting Numbers: [59] 59,42 unequal: No Solution Moving to Node #0,1,2 Current State: 42:[58, 21], Operations: ['69-11=58', '10+11=21'] Exploring Operation: 58*21=1218, Resulting Numbers: [1218] 1218,42 unequal: No Solution Exploring Operation: 58+21=79, Resulting Numbers: [79] 79,42 unequal: No Solution Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 42:[10, 11, 58], Operations: ['69-11=58'] Exploring Operation: 10+11=21, Resulting Numbers: [58, 21] Generated Node #0,2,0: 42:[58, 21] Operation: 10+11=21 Exploring Operation: 58-11=47, Resulting Numbers: [10, 47] Generated Node #0,2,1: 42:[10, 47] Operation: 58-11=47 Exploring Operation: 58-10=48, Resulting Numbers: [11, 48] Generated Node #0,2,2: 42:[11, 48] Operation: 58-10=48 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 42:[10, 47], Operations: ['69-11=58', '58-11=47'] Exploring Operation: 10*47=470, Resulting Numbers: [470] 470,42 unequal: No Solution Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 10+47=57, Resulting Numbers: [57] 57,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 42:[11, 48], Operations: ['69-11=58', '58-10=48'] Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 11+48=59, Resulting Numbers: [59] 59,42 unequal: No Solution Exploring Operation: 11*48=528, Resulting Numbers: [528] 528,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 42:[58, 21], Operations: ['69-11=58', '10+11=21'] Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 58*21=1218, Resulting Numbers: [1218] 1218,42 unequal: No Solution Exploring Operation: 58+21=79, Resulting Numbers: [79] 79,42 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 #0,0 Current State: 42:[11, 11, 59], Operations: ['69-10=59'] Exploring Operation: 59-11=48, Resulting Numbers: [11, 48] Generated Node #0,0,0: 42:[11, 48] Operation: 59-11=48 Exploring Operation: 11+11=22, Resulting Numbers: [59, 22] Generated Node #0,0,1: 42:[59, 22] Operation: 11+11=22 Exploring Operation: 59-11=48, Resulting Numbers: [11, 48] Generated Node #0,0,2: 42:[11, 48] Operation: 59-11=48 Moving to Node #0,0,0 Current State: 42:[11, 48], Operations: ['69-10=59', '59-11=48'] Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 11+48=59, Resulting Numbers: [59] 59,42 unequal: No Solution Exploring Operation: 11*48=528, Resulting Numbers: [528] 528,42 unequal: No Solution Moving to Node #0,0,2 Current State: 42:[11, 48], Operations: ['69-10=59', '59-11=48'] Exploring Operation: 11+48=59, Resulting Numbers: [59] 59,42 unequal: No Solution Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 11*48=528, Resulting Numbers: [528] 528,42 unequal: No Solution Moving to Node #0,0,1 Current State: 42:[59, 22], Operations: ['69-10=59', '11+11=22'] Exploring Operation: 59*22=1298, Resulting Numbers: [1298] 1298,42 unequal: No Solution Exploring Operation: 59+22=81, Resulting Numbers: [81] 81,42 unequal: No Solution Exploring Operation: 59-22=37, Resulting Numbers: [37] 37,42 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
[ 2, 42, 20, 42 ]
60
[ "42/42=1", "2+1=3", "20*3=60" ]
Current State: 60:[2, 42, 20, 42], Operations: [] Exploring Operation: 42/42=1, Resulting Numbers: [2, 20, 1] Generated Node #2: [2, 20, 1] from Operation: 42/42=1 Current State: 60:[2, 20, 1], Operations: ['42/42=1'] Exploring Operation: 2+1=3, Resulting Numbers: [20, 3] Generated Node #3: [20, 3] from Operation: 2+1=3 Current State: 60:[20, 3], Operations: ['42/42=1', '2+1=3'] Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[2, 42, 20, 42], Operations: [] Exploring Operation: 42/42=1, Resulting Numbers: [2, 20, 1] Generated Node #0,0: 60:[2, 20, 1] Operation: 42/42=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[2, 20, 1], Operations: ['42/42=1'] Exploring Operation: 2+1=3, Resulting Numbers: [20, 3] Generated Node #0,0,0: 60:[20, 3] Operation: 2+1=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[20, 3], Operations: ['42/42=1', '2+1=3'] Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[2, 42, 20, 42], Operations: [] Exploring Operation: 42/42=1, Resulting Numbers: [2, 20, 1] Generated Node #0,0: 60:[2, 20, 1] Operation: 42/42=1 Moving to Node #0,0 Current State: 60:[2, 20, 1], Operations: ['42/42=1'] Exploring Operation: 2+1=3, Resulting Numbers: [20, 3] Generated Node #0,0,0: 60:[20, 3] Operation: 2+1=3 Moving to Node #0,0,0 Current State: 60:[20, 3], Operations: ['42/42=1', '2+1=3'] Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic