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
[ 9, 14, 92, 84 ]
95
[ "9+92=101", "84/14=6", "101-6=95" ]
Current State: 95:[9, 14, 92, 84], Operations: [] Exploring Operation: 9+92=101, Resulting Numbers: [14, 84, 101] Generated Node #2: [14, 84, 101] from Operation: 9+92=101 Current State: 95:[14, 84, 101], Operations: ['9+92=101'] Exploring Operation: 84/14=6, Resulting Numbers: [101, 6] Generated Node #3: [101, 6] from Operation: 84/14=6 Current State: 95:[101, 6], Operations: ['9+92=101', '84/14=6'] Exploring Operation: 101-6=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[9, 14, 92, 84], Operations: [] Exploring Operation: 84/14=6, Resulting Numbers: [9, 92, 6] Generated Node #0,0: 95:[9, 92, 6] Operation: 84/14=6 Exploring Operation: 9+84=93, Resulting Numbers: [14, 92, 93] Generated Node #0,1: 95:[14, 92, 93] Operation: 9+84=93 Exploring Operation: 14-9=5, Resulting Numbers: [92, 84, 5] Generated Node #0,2: 95:[92, 84, 5] Operation: 14-9=5 Exploring Operation: 14+84=98, Resulting Numbers: [9, 92, 98] Generated Node #0,3: 95:[9, 92, 98] Operation: 14+84=98 Exploring Operation: 92-84=8, Resulting Numbers: [9, 14, 8] Generated Node #0,4: 95:[9, 14, 8] Operation: 92-84=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[9, 92, 6], Operations: ['84/14=6'] Exploring Operation: 9+6=15, Resulting Numbers: [92, 15] Generated Node #0,0,0: 95:[92, 15] Operation: 9+6=15 Exploring Operation: 92+6=98, Resulting Numbers: [9, 98] Generated Node #0,0,1: 95:[9, 98] Operation: 92+6=98 Exploring Operation: 9+92=101, Resulting Numbers: [6, 101] Generated Node #0,0,2: 95:[6, 101] Operation: 9+92=101 Exploring Operation: 92-9=83, Resulting Numbers: [6, 83] Generated Node #0,0,3: 95:[6, 83] Operation: 92-9=83 Exploring Operation: 9-6=3, Resulting Numbers: [92, 3] Generated Node #0,0,4: 95:[92, 3] Operation: 9-6=3 Moving to Node #0,0,4 Current State: 95:[92, 3], Operations: ['84/14=6', '9-6=3'] Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,95 unequal: No Solution Exploring Operation: 92*3=276, Resulting Numbers: [276] 276,95 unequal: No Solution Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[9, 14, 92, 84], Operations: [] Exploring Operation: 84/14=6, Resulting Numbers: [9, 92, 6] Generated Node #0,0: 95:[9, 92, 6] Operation: 84/14=6 Moving to Node #0,0 Current State: 95:[9, 92, 6], Operations: ['84/14=6'] Exploring Operation: 9-6=3, Resulting Numbers: [92, 3] Generated Node #0,0,4: 95:[92, 3] Operation: 9-6=3 Moving to Node #0,0,4 Current State: 95:[92, 3], Operations: ['84/14=6', '9-6=3'] Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 26, 47, 18, 35 ]
45
[ "35-26=9", "18/9=2", "47-2=45" ]
Current State: 45:[26, 47, 18, 35], Operations: [] Exploring Operation: 35-26=9, Resulting Numbers: [47, 18, 9] Generated Node #2: [47, 18, 9] from Operation: 35-26=9 Current State: 45:[47, 18, 9], Operations: ['35-26=9'] Exploring Operation: 18/9=2, Resulting Numbers: [47, 2] Generated Node #3: [47, 2] from Operation: 18/9=2 Current State: 45:[47, 2], Operations: ['35-26=9', '18/9=2'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[26, 47, 18, 35], Operations: [] Exploring Operation: 35-26=9, Resulting Numbers: [47, 18, 9] Generated Node #0,0: 45:[47, 18, 9] Operation: 35-26=9 Exploring Operation: 26+18=44, Resulting Numbers: [47, 35, 44] Generated Node #0,1: 45:[47, 35, 44] Operation: 26+18=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[47, 18, 9], Operations: ['35-26=9'] Exploring Operation: 18-9=9, Resulting Numbers: [47, 9] Generated Node #0,0,0: 45:[47, 9] Operation: 18-9=9 Exploring Operation: 18/9=2, Resulting Numbers: [47, 2] Generated Node #0,0,1: 45:[47, 2] Operation: 18/9=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 45:[47, 9], Operations: ['35-26=9', '18-9=9'] Exploring Operation: 47+9=56, Resulting Numbers: [56] 56,45 unequal: No Solution Exploring Operation: 47-9=38, Resulting Numbers: [38] 38,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 45:[47, 2], Operations: ['35-26=9', '18/9=2'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[26, 47, 18, 35], Operations: [] Exploring Operation: 35-26=9, Resulting Numbers: [47, 18, 9] Generated Node #0,0: 45:[47, 18, 9] Operation: 35-26=9 Moving to Node #0,0 Current State: 45:[47, 18, 9], Operations: ['35-26=9'] Exploring Operation: 18/9=2, Resulting Numbers: [47, 2] Generated Node #0,0,1: 45:[47, 2] Operation: 18/9=2 Moving to Node #0,0,1 Current State: 45:[47, 2], Operations: ['35-26=9', '18/9=2'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 36, 48, 20, 28 ]
76
[ "36+48=84", "28-20=8", "84-8=76" ]
Current State: 76:[36, 48, 20, 28], Operations: [] Exploring Operation: 36+48=84, Resulting Numbers: [20, 28, 84] Generated Node #2: [20, 28, 84] from Operation: 36+48=84 Current State: 76:[20, 28, 84], Operations: ['36+48=84'] Exploring Operation: 28-20=8, Resulting Numbers: [84, 8] Generated Node #3: [84, 8] from Operation: 28-20=8 Current State: 76:[84, 8], Operations: ['36+48=84', '28-20=8'] Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[36, 48, 20, 28], Operations: [] Exploring Operation: 48+28=76, Resulting Numbers: [36, 20, 76] Generated Node #0,0: 76:[36, 20, 76] Operation: 48+28=76 Exploring Operation: 48-28=20, Resulting Numbers: [36, 20, 20] Generated Node #0,1: 76:[36, 20, 20] Operation: 48-28=20 Exploring Operation: 36-28=8, Resulting Numbers: [48, 20, 8] Generated Node #0,2: 76:[48, 20, 8] Operation: 36-28=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[36, 20, 76], Operations: ['48+28=76'] Exploring Operation: 76-36=40, Resulting Numbers: [20, 40] Generated Node #0,0,0: 76:[20, 40] Operation: 76-36=40 Exploring Operation: 36+20=56, Resulting Numbers: [76, 56] Generated Node #0,0,1: 76:[76, 56] Operation: 36+20=56 Exploring Operation: 36-20=16, Resulting Numbers: [76, 16] Generated Node #0,0,2: 76:[76, 16] Operation: 36-20=16 Moving to Node #0,0,0 Current State: 76:[20, 40], Operations: ['48+28=76', '76-36=40'] Exploring Operation: 40/20=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 20+40=60, Resulting Numbers: [60] 60,76 unequal: No Solution Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,76 unequal: No Solution Moving to Node #0,0,2 Current State: 76:[76, 16], Operations: ['48+28=76', '36-20=16'] Exploring Operation: 76*16=1216, Resulting Numbers: [1216] 1216,76 unequal: No Solution Exploring Operation: 76-16=60, Resulting Numbers: [60] 60,76 unequal: No Solution Exploring Operation: 76+16=92, Resulting Numbers: [92] 92,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[76, 56], Operations: ['48+28=76', '36+20=56'] Exploring Operation: 76*56=4256, Resulting Numbers: [4256] 4256,76 unequal: No Solution Exploring Operation: 76+56=132, Resulting Numbers: [132] 132,76 unequal: No Solution Exploring Operation: 76-56=20, Resulting Numbers: [20] 20,76 unequal: No Solution No 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: 76:[36, 20, 20], Operations: ['48-28=20'] Exploring Operation: 36-20=16, Resulting Numbers: [20, 16] Generated Node #0,1,0: 76:[20, 16] Operation: 36-20=16 Exploring Operation: 36-20=16, Resulting Numbers: [20, 16] Generated Node #0,1,1: 76:[20, 16] Operation: 36-20=16 Exploring Operation: 20/20=1, Resulting Numbers: [36, 1] Generated Node #0,1,2: 76:[36, 1] Operation: 20/20=1 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 76:[36, 1], Operations: ['48-28=20', '20/20=1'] Exploring Operation: 36*1=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 36+1=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 76:[20, 16], Operations: ['48-28=20', '36-20=16'] Exploring Operation: 20*16=320, Resulting Numbers: [320] 320,76 unequal: No Solution Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 20+16=36, Resulting Numbers: [36] 36,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 76:[20, 16], Operations: ['48-28=20', '36-20=16'] Exploring Operation: 20*16=320, Resulting Numbers: [320] 320,76 unequal: No Solution Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 20+16=36, Resulting Numbers: [36] 36,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[48, 20, 8], Operations: ['36-28=8'] Exploring Operation: 48/8=6, Resulting Numbers: [20, 6] Generated Node #0,2,0: 76:[20, 6] Operation: 48/8=6 Exploring Operation: 48+20=68, Resulting Numbers: [8, 68] Generated Node #0,2,1: 76:[8, 68] Operation: 48+20=68 Exploring Operation: 48-8=40, Resulting Numbers: [20, 40] Generated Node #0,2,2: 76:[20, 40] Operation: 48-8=40 Moving to Node #0,2,0 Current State: 76:[20, 6], Operations: ['36-28=8', '48/8=6'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,76 unequal: No Solution Exploring Operation: 20*6=120, Resulting Numbers: [120] 120,76 unequal: No Solution Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,76 unequal: No Solution Moving to Node #0,2,2 Current State: 76:[20, 40], Operations: ['36-28=8', '48-8=40'] Exploring Operation: 40/20=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 20+40=60, Resulting Numbers: [60] 60,76 unequal: No Solution Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,76 unequal: No Solution Moving to Node #0,2,1 Current State: 76:[8, 68], Operations: ['36-28=8', '48+20=68'] Exploring Operation: 8*68=544, Resulting Numbers: [544] 544,76 unequal: No Solution Exploring Operation: 8+68=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[36, 48, 20, 28], Operations: [] Exploring Operation: 36-28=8, Resulting Numbers: [48, 20, 8] Generated Node #0,2: 76:[48, 20, 8] Operation: 36-28=8 Moving to Node #0,2 Current State: 76:[48, 20, 8], Operations: ['36-28=8'] Exploring Operation: 48+20=68, Resulting Numbers: [8, 68] Generated Node #0,2,1: 76:[8, 68] Operation: 48+20=68 Moving to Node #0,2,1 Current State: 76:[8, 68], Operations: ['36-28=8', '48+20=68'] Exploring Operation: 8+68=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.963542
hs_3
sum_heuristic
[ 65, 87, 53, 46 ]
53
[ "65+87=152", "53+46=99", "152-99=53" ]
Current State: 53:[65, 87, 53, 46], Operations: [] Exploring Operation: 65+87=152, Resulting Numbers: [53, 46, 152] Generated Node #2: [53, 46, 152] from Operation: 65+87=152 Current State: 53:[53, 46, 152], Operations: ['65+87=152'] Exploring Operation: 53+46=99, Resulting Numbers: [152, 99] Generated Node #3: [152, 99] from Operation: 53+46=99 Current State: 53:[152, 99], Operations: ['65+87=152', '53+46=99'] Exploring Operation: 152-99=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[65, 87, 53, 46], Operations: [] Exploring Operation: 87-53=34, Resulting Numbers: [65, 46, 34] Generated Node #0,0: 53:[65, 46, 34] Operation: 87-53=34 Exploring Operation: 65-53=12, Resulting Numbers: [87, 46, 12] Generated Node #0,1: 53:[87, 46, 12] Operation: 65-53=12 Exploring Operation: 87-46=41, Resulting Numbers: [65, 53, 41] Generated Node #0,2: 53:[65, 53, 41] Operation: 87-46=41 Exploring Operation: 65-46=19, Resulting Numbers: [87, 53, 19] Generated Node #0,3: 53:[87, 53, 19] Operation: 65-46=19 Exploring Operation: 87-65=22, Resulting Numbers: [53, 46, 22] Generated Node #0,4: 53:[53, 46, 22] Operation: 87-65=22 Moving to Node #0,2 Current State: 53:[65, 53, 41], Operations: ['87-46=41'] Exploring Operation: 65+41=106, Resulting Numbers: [53, 106] Generated Node #0,2,0: 53:[53, 106] Operation: 65+41=106 Exploring Operation: 53+41=94, Resulting Numbers: [65, 94] Generated Node #0,2,1: 53:[65, 94] Operation: 53+41=94 Exploring Operation: 65-41=24, Resulting Numbers: [53, 24] Generated Node #0,2,2: 53:[53, 24] Operation: 65-41=24 Exploring Operation: 53-41=12, Resulting Numbers: [65, 12] Generated Node #0,2,3: 53:[65, 12] Operation: 53-41=12 Exploring Operation: 65-53=12, Resulting Numbers: [41, 12] Generated Node #0,2,4: 53:[41, 12] Operation: 65-53=12 Moving to Node #0,4 Current State: 53:[53, 46, 22], Operations: ['87-65=22'] Exploring Operation: 46+22=68, Resulting Numbers: [53, 68] Generated Node #0,4,0: 53:[53, 68] Operation: 46+22=68 Exploring Operation: 53+46=99, Resulting Numbers: [22, 99] Generated Node #0,4,1: 53:[22, 99] Operation: 53+46=99 Exploring Operation: 53-22=31, Resulting Numbers: [46, 31] Generated Node #0,4,2: 53:[46, 31] Operation: 53-22=31 Exploring Operation: 53+22=75, Resulting Numbers: [46, 75] Generated Node #0,4,3: 53:[46, 75] Operation: 53+22=75 Exploring Operation: 46-22=24, Resulting Numbers: [53, 24] Generated Node #0,4,4: 53:[53, 24] Operation: 46-22=24 Moving to Node #0,0 Current State: 53:[65, 46, 34], Operations: ['87-53=34'] Exploring Operation: 46-34=12, Resulting Numbers: [65, 12] Generated Node #0,0,0: 53:[65, 12] Operation: 46-34=12 Exploring Operation: 46+34=80, Resulting Numbers: [65, 80] Generated Node #0,0,1: 53:[65, 80] Operation: 46+34=80 Exploring Operation: 65-46=19, Resulting Numbers: [34, 19] Generated Node #0,0,2: 53:[34, 19] Operation: 65-46=19 Exploring Operation: 65-34=31, Resulting Numbers: [46, 31] Generated Node #0,0,3: 53:[46, 31] Operation: 65-34=31 Exploring Operation: 65+34=99, Resulting Numbers: [46, 99] Generated Node #0,0,4: 53:[46, 99] Operation: 65+34=99 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 53:[46, 31], Operations: ['87-53=34', '65-34=31'] Exploring Operation: 46+31=77, Resulting Numbers: [77] 77,53 unequal: No Solution Exploring Operation: 46-31=15, Resulting Numbers: [15] 15,53 unequal: No Solution Exploring Operation: 46*31=1426, Resulting Numbers: [1426] 1426,53 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:[65, 80], Operations: ['87-53=34', '46+34=80'] Exploring Operation: 80-65=15, Resulting Numbers: [15] 15,53 unequal: No Solution Exploring Operation: 65+80=145, Resulting Numbers: [145] 145,53 unequal: No Solution Exploring Operation: 65*80=5200, Resulting Numbers: [5200] 5200,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[65, 12], Operations: ['87-53=34', '46-34=12'] Exploring Operation: 65-12=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[65, 87, 53, 46], Operations: [] Exploring Operation: 87-53=34, Resulting Numbers: [65, 46, 34] Generated Node #0,0: 53:[65, 46, 34] Operation: 87-53=34 Moving to Node #0,0 Current State: 53:[65, 46, 34], Operations: ['87-53=34'] Exploring Operation: 46-34=12, Resulting Numbers: [65, 12] Generated Node #0,0,0: 53:[65, 12] Operation: 46-34=12 Moving to Node #0,0,0 Current State: 53:[65, 12], Operations: ['87-53=34', '46-34=12'] Exploring Operation: 65-12=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_5
mult_heuristic
[ 40, 18, 15, 29 ]
72
[ "40+18=58", "29-15=14", "58+14=72" ]
Current State: 72:[40, 18, 15, 29], Operations: [] Exploring Operation: 40+18=58, Resulting Numbers: [15, 29, 58] Generated Node #2: [15, 29, 58] from Operation: 40+18=58 Current State: 72:[15, 29, 58], Operations: ['40+18=58'] Exploring Operation: 29-15=14, Resulting Numbers: [58, 14] Generated Node #3: [58, 14] from Operation: 29-15=14 Current State: 72:[58, 14], Operations: ['40+18=58', '29-15=14'] Exploring Operation: 58+14=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[40, 18, 15, 29], Operations: [] Exploring Operation: 40-29=11, Resulting Numbers: [18, 15, 11] Generated Node #0,0: 72:[18, 15, 11] Operation: 40-29=11 Exploring Operation: 40-15=25, Resulting Numbers: [18, 29, 25] Generated Node #0,1: 72:[18, 29, 25] Operation: 40-15=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[18, 15, 11], Operations: ['40-29=11'] Exploring Operation: 15-11=4, Resulting Numbers: [18, 4] Generated Node #0,0,0: 72:[18, 4] Operation: 15-11=4 Exploring Operation: 18-15=3, Resulting Numbers: [11, 3] Generated Node #0,0,1: 72:[11, 3] Operation: 18-15=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 72:[18, 4], Operations: ['40-29=11', '15-11=4'] Exploring Operation: 18+4=22, Resulting Numbers: [22] 22,72 unequal: No Solution Exploring Operation: 18*4=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[40, 18, 15, 29], Operations: [] Exploring Operation: 40-29=11, Resulting Numbers: [18, 15, 11] Generated Node #0,0: 72:[18, 15, 11] Operation: 40-29=11 Moving to Node #0,0 Current State: 72:[18, 15, 11], Operations: ['40-29=11'] Exploring Operation: 15-11=4, Resulting Numbers: [18, 4] Generated Node #0,0,0: 72:[18, 4] Operation: 15-11=4 Moving to Node #0,0,0 Current State: 72:[18, 4], Operations: ['40-29=11', '15-11=4'] Exploring Operation: 18*4=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 4, 7, 58, 90 ]
88
[ "7-4=3", "90/3=30", "58+30=88" ]
Current State: 88:[4, 7, 58, 90], Operations: [] Exploring Operation: 7-4=3, Resulting Numbers: [58, 90, 3] Generated Node #2: [58, 90, 3] from Operation: 7-4=3 Current State: 88:[58, 90, 3], Operations: ['7-4=3'] Exploring Operation: 90/3=30, Resulting Numbers: [58, 30] Generated Node #3: [58, 30] from Operation: 90/3=30 Current State: 88:[58, 30], Operations: ['7-4=3', '90/3=30'] Exploring Operation: 58+30=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[4, 7, 58, 90], Operations: [] Exploring Operation: 7-4=3, Resulting Numbers: [58, 90, 3] Generated Node #0,0: 88:[58, 90, 3] Operation: 7-4=3 Exploring Operation: 58-4=54, Resulting Numbers: [7, 90, 54] Generated Node #0,1: 88:[7, 90, 54] Operation: 58-4=54 Exploring Operation: 58-7=51, Resulting Numbers: [4, 90, 51] Generated Node #0,2: 88:[4, 90, 51] Operation: 58-7=51 Exploring Operation: 90-58=32, Resulting Numbers: [4, 7, 32] Generated Node #0,3: 88:[4, 7, 32] Operation: 90-58=32 Exploring Operation: 4+7=11, Resulting Numbers: [58, 90, 11] Generated Node #0,4: 88:[58, 90, 11] Operation: 4+7=11 Moving to Node #0,2 Current State: 88:[4, 90, 51], Operations: ['58-7=51'] Exploring Operation: 90-4=86, Resulting Numbers: [51, 86] Generated Node #0,2,0: 88:[51, 86] Operation: 90-4=86 Exploring Operation: 4+90=94, Resulting Numbers: [51, 94] Generated Node #0,2,1: 88:[51, 94] Operation: 4+90=94 Exploring Operation: 51-4=47, Resulting Numbers: [90, 47] Generated Node #0,2,2: 88:[90, 47] Operation: 51-4=47 Exploring Operation: 90-51=39, Resulting Numbers: [4, 39] Generated Node #0,2,3: 88:[4, 39] Operation: 90-51=39 Exploring Operation: 4+51=55, Resulting Numbers: [90, 55] Generated Node #0,2,4: 88:[90, 55] Operation: 4+51=55 Moving to Node #0,3 Current State: 88:[4, 7, 32], Operations: ['90-58=32'] Exploring Operation: 32-7=25, Resulting Numbers: [4, 25] Generated Node #0,3,0: 88:[4, 25] Operation: 32-7=25 Exploring Operation: 7+32=39, Resulting Numbers: [4, 39] Generated Node #0,3,1: 88:[4, 39] Operation: 7+32=39 Exploring Operation: 4+32=36, Resulting Numbers: [7, 36] Generated Node #0,3,2: 88:[7, 36] Operation: 4+32=36 Exploring Operation: 32-4=28, Resulting Numbers: [7, 28] Generated Node #0,3,3: 88:[7, 28] Operation: 32-4=28 Exploring Operation: 32/4=8, Resulting Numbers: [7, 8] Generated Node #0,3,4: 88:[7, 8] Operation: 32/4=8 Moving to Node #0,1 Current State: 88:[7, 90, 54], Operations: ['58-4=54'] Exploring Operation: 7+90=97, Resulting Numbers: [54, 97] Generated Node #0,1,0: 88:[54, 97] Operation: 7+90=97 Exploring Operation: 90-7=83, Resulting Numbers: [54, 83] Generated Node #0,1,1: 88:[54, 83] Operation: 90-7=83 Exploring Operation: 90-54=36, Resulting Numbers: [7, 36] Generated Node #0,1,2: 88:[7, 36] Operation: 90-54=36 Exploring Operation: 54-7=47, Resulting Numbers: [90, 47] Generated Node #0,1,3: 88:[90, 47] Operation: 54-7=47 Exploring Operation: 7+54=61, Resulting Numbers: [90, 61] Generated Node #0,1,4: 88:[90, 61] Operation: 7+54=61 Moving to Node #0,4 Current State: 88:[58, 90, 11], Operations: ['4+7=11'] Exploring Operation: 58+11=69, Resulting Numbers: [90, 69] Generated Node #0,4,0: 88:[90, 69] Operation: 58+11=69 Exploring Operation: 90-11=79, Resulting Numbers: [58, 79] Generated Node #0,4,1: 88:[58, 79] Operation: 90-11=79 Exploring Operation: 90-58=32, Resulting Numbers: [11, 32] Generated Node #0,4,2: 88:[11, 32] Operation: 90-58=32 Exploring Operation: 58-11=47, Resulting Numbers: [90, 47] Generated Node #0,4,3: 88:[90, 47] Operation: 58-11=47 Exploring Operation: 90+11=101, Resulting Numbers: [58, 101] Generated Node #0,4,4: 88:[58, 101] Operation: 90+11=101 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 88:[90, 47], Operations: ['4+7=11', '58-11=47'] Exploring Operation: 90*47=4230, Resulting Numbers: [4230] 4230,88 unequal: No Solution Exploring Operation: 90-47=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 90+47=137, Resulting Numbers: [137] 137,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 88:[11, 32], Operations: ['4+7=11', '90-58=32'] Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,88 unequal: No Solution Exploring Operation: 11*32=352, Resulting Numbers: [352] 352,88 unequal: No Solution Exploring Operation: 11+32=43, Resulting Numbers: [43] 43,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 88:[90, 69], Operations: ['4+7=11', '58+11=69'] Exploring Operation: 90+69=159, Resulting Numbers: [159] 159,88 unequal: No Solution Exploring Operation: 90-69=21, Resulting Numbers: [21] 21,88 unequal: No Solution Exploring Operation: 90*69=6210, Resulting Numbers: [6210] 6210,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 88:[58, 79], Operations: ['4+7=11', '90-11=79'] Exploring Operation: 79-58=21, Resulting Numbers: [21] 21,88 unequal: No Solution Exploring Operation: 58*79=4582, Resulting Numbers: [4582] 4582,88 unequal: No Solution Exploring Operation: 58+79=137, Resulting Numbers: [137] 137,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 88:[58, 101], Operations: ['4+7=11', '90+11=101'] Exploring Operation: 58+101=159, Resulting Numbers: [159] 159,88 unequal: No Solution Exploring Operation: 101-58=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 58*101=5858, Resulting Numbers: [5858] 5858,88 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: 88:[58, 90, 3], Operations: ['7-4=3'] Exploring Operation: 58-3=55, Resulting Numbers: [90, 55] Generated Node #0,0,0: 88:[90, 55] Operation: 58-3=55 Exploring Operation: 90-3=87, Resulting Numbers: [58, 87] Generated Node #0,0,1: 88:[58, 87] Operation: 90-3=87 Exploring Operation: 90-58=32, Resulting Numbers: [3, 32] Generated Node #0,0,2: 88:[3, 32] Operation: 90-58=32 Exploring Operation: 90+3=93, Resulting Numbers: [58, 93] Generated Node #0,0,3: 88:[58, 93] Operation: 90+3=93 Exploring Operation: 58+3=61, Resulting Numbers: [90, 61] Generated Node #0,0,4: 88:[90, 61] Operation: 58+3=61 Moving to Node #0,3,4 Current State: 88:[7, 8], Operations: ['90-58=32', '32/4=8'] Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,88 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,88 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,88 unequal: No Solution Moving to Node #0,3,0 Current State: 88:[4, 25], Operations: ['90-58=32', '32-7=25'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,88 unequal: No Solution Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,88 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,88 unequal: No Solution Moving to Node #0,2,2 Current State: 88:[90, 47], Operations: ['58-7=51', '51-4=47'] Exploring Operation: 90*47=4230, Resulting Numbers: [4230] 4230,88 unequal: No Solution Exploring Operation: 90-47=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 90+47=137, Resulting Numbers: [137] 137,88 unequal: No Solution Moving to Node #0,2,3 Current State: 88:[4, 39], Operations: ['58-7=51', '90-51=39'] Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,88 unequal: No Solution Exploring Operation: 4+39=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 4*39=156, Resulting Numbers: [156] 156,88 unequal: No Solution Moving to Node #0,1,3 Current State: 88:[90, 47], Operations: ['58-4=54', '54-7=47'] Exploring Operation: 90+47=137, Resulting Numbers: [137] 137,88 unequal: No Solution Exploring Operation: 90-47=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 90*47=4230, Resulting Numbers: [4230] 4230,88 unequal: No Solution Moving to Node #0,3,1 Current State: 88:[4, 39], Operations: ['90-58=32', '7+32=39'] Exploring Operation: 4+39=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,88 unequal: No Solution Exploring Operation: 4*39=156, Resulting Numbers: [156] 156,88 unequal: No Solution Moving to Node #0,3,3 Current State: 88:[7, 28], Operations: ['90-58=32', '32-4=28'] Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 7*28=196, Resulting Numbers: [196] 196,88 unequal: No Solution Exploring Operation: 7+28=35, Resulting Numbers: [35] 35,88 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,88 unequal: No Solution Moving to Node #0,2,0 Current State: 88:[51, 86], Operations: ['58-7=51', '90-4=86'] Exploring Operation: 51+86=137, Resulting Numbers: [137] 137,88 unequal: No Solution Exploring Operation: 86-51=35, Resulting Numbers: [35] 35,88 unequal: No Solution Exploring Operation: 51*86=4386, Resulting Numbers: [4386] 4386,88 unequal: No Solution Moving to Node #0,1,2 Current State: 88:[7, 36], Operations: ['58-4=54', '90-54=36'] Exploring Operation: 7+36=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 7*36=252, Resulting Numbers: [252] 252,88 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,88 unequal: No Solution Moving to Node #0,3,2 Current State: 88:[7, 36], Operations: ['90-58=32', '4+32=36'] Exploring Operation: 7*36=252, Resulting Numbers: [252] 252,88 unequal: No Solution Exploring Operation: 7+36=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,88 unequal: No Solution Moving to Node #0,0,2 Current State: 88:[3, 32], Operations: ['7-4=3', '90-58=32'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,88 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,88 unequal: No Solution Moving to Node #0,2,4 Current State: 88:[90, 55], Operations: ['58-7=51', '4+51=55'] Exploring Operation: 90*55=4950, Resulting Numbers: [4950] 4950,88 unequal: No Solution Exploring Operation: 90+55=145, Resulting Numbers: [145] 145,88 unequal: No Solution Exploring Operation: 90-55=35, Resulting Numbers: [35] 35,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[90, 55], Operations: ['7-4=3', '58-3=55'] Exploring Operation: 90-55=35, Resulting Numbers: [35] 35,88 unequal: No Solution Exploring Operation: 90*55=4950, Resulting Numbers: [4950] 4950,88 unequal: No Solution Exploring Operation: 90+55=145, Resulting Numbers: [145] 145,88 unequal: No Solution Moving to Node #0,2,1 Current State: 88:[51, 94], Operations: ['58-7=51', '4+90=94'] Exploring Operation: 94-51=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 51+94=145, Resulting Numbers: [145] 145,88 unequal: No Solution Exploring Operation: 51*94=4794, Resulting Numbers: [4794] 4794,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[54, 83], Operations: ['58-4=54', '90-7=83'] Exploring Operation: 83-54=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 54+83=137, Resulting Numbers: [137] 137,88 unequal: No Solution Exploring Operation: 54*83=4482, Resulting Numbers: [4482] 4482,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[58, 87], Operations: ['7-4=3', '90-3=87'] Exploring Operation: 87-58=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 58+87=145, Resulting Numbers: [145] 145,88 unequal: No Solution Exploring Operation: 58*87=5046, Resulting Numbers: [5046] 5046,88 unequal: No Solution Moving to Node #0,0,3 Current State: 88:[58, 93], Operations: ['7-4=3', '90+3=93'] Exploring Operation: 58*93=5394, Resulting Numbers: [5394] 5394,88 unequal: No Solution Exploring Operation: 93-58=35, Resulting Numbers: [35] 35,88 unequal: No Solution Exploring Operation: 58+93=151, Resulting Numbers: [151] 151,88 unequal: No Solution Moving to Node #0,1,4 Current State: 88:[90, 61], Operations: ['58-4=54', '7+54=61'] Exploring Operation: 90+61=151, Resulting Numbers: [151] 151,88 unequal: No Solution Exploring Operation: 90-61=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 90*61=5490, Resulting Numbers: [5490] 5490,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[54, 97], Operations: ['58-4=54', '7+90=97'] Exploring Operation: 97-54=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 54*97=5238, Resulting Numbers: [5238] 5238,88 unequal: No Solution Exploring Operation: 54+97=151, Resulting Numbers: [151] 151,88 unequal: No Solution Moving to Node #0,0,4 Current State: 88:[90, 61], Operations: ['7-4=3', '58+3=61'] Exploring Operation: 90+61=151, Resulting Numbers: [151] 151,88 unequal: No Solution Exploring Operation: 90-61=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 90*61=5490, Resulting Numbers: [5490] 5490,88 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 36, 55, 81, 74 ]
98
[ "36+55=91", "81-74=7", "91+7=98" ]
Current State: 98:[36, 55, 81, 74], Operations: [] Exploring Operation: 36+55=91, Resulting Numbers: [81, 74, 91] Generated Node #2: [81, 74, 91] from Operation: 36+55=91 Current State: 98:[81, 74, 91], Operations: ['36+55=91'] Exploring Operation: 81-74=7, Resulting Numbers: [91, 7] Generated Node #3: [91, 7] from Operation: 81-74=7 Current State: 98:[91, 7], Operations: ['36+55=91', '81-74=7'] Exploring Operation: 91+7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[36, 55, 81, 74], Operations: [] Exploring Operation: 81-74=7, Resulting Numbers: [36, 55, 7] Generated Node #0,0: 98:[36, 55, 7] Operation: 81-74=7 Moving to Node #0,0 Current State: 98:[36, 55, 7], Operations: ['81-74=7'] Exploring Operation: 55-36=19, Resulting Numbers: [7, 19] Generated Node #0,0,0: 98:[7, 19] Operation: 55-36=19 Moving to Node #0,0,0 Current State: 98:[7, 19], Operations: ['81-74=7', '55-36=19'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,98 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 72, 40, 74, 24 ]
46
[ "72*40=2880", "2880/24=120", "120-74=46" ]
Current State: 46:[72, 40, 74, 24], Operations: [] Exploring Operation: 72*40=2880, Resulting Numbers: [74, 24, 2880] Generated Node #2: [74, 24, 2880] from Operation: 72*40=2880 Current State: 46:[74, 24, 2880], Operations: ['72*40=2880'] Exploring Operation: 2880/24=120, Resulting Numbers: [74, 120] Generated Node #3: [74, 120] from Operation: 2880/24=120 Current State: 46:[74, 120], Operations: ['72*40=2880', '2880/24=120'] Exploring Operation: 120-74=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[72, 40, 74, 24], Operations: [] Exploring Operation: 74-72=2, Resulting Numbers: [40, 24, 2] Generated Node #0,0: 46:[40, 24, 2] Operation: 74-72=2 Exploring Operation: 72/24=3, Resulting Numbers: [40, 74, 3] Generated Node #0,1: 46:[40, 74, 3] Operation: 72/24=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[40, 24, 2], Operations: ['74-72=2'] Exploring Operation: 40/2=20, Resulting Numbers: [24, 20] Generated Node #0,0,0: 46:[24, 20] Operation: 40/2=20 Exploring Operation: 40+2=42, Resulting Numbers: [24, 42] Generated Node #0,0,1: 46:[24, 42] Operation: 40+2=42 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 46:[24, 20], Operations: ['74-72=2', '40/2=20'] Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,46 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,46 unequal: No Solution No 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: 46:[24, 42], Operations: ['74-72=2', '40+2=42'] Exploring Operation: 24+42=66, Resulting Numbers: [66] 66,46 unequal: No Solution Exploring Operation: 42-24=18, Resulting Numbers: [18] 18,46 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: 46:[40, 74, 3], Operations: ['72/24=3'] Exploring Operation: 40+3=43, Resulting Numbers: [74, 43] Generated Node #0,1,0: 46:[74, 43] Operation: 40+3=43 Exploring Operation: 74-40=34, Resulting Numbers: [3, 34] Generated Node #0,1,1: 46:[3, 34] Operation: 74-40=34 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 46:[3, 34], Operations: ['72/24=3', '74-40=34'] Exploring Operation: 3+34=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,46 unequal: No Solution No 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: 46:[74, 43], Operations: ['72/24=3', '40+3=43'] Exploring Operation: 74+43=117, Resulting Numbers: [117] 117,46 unequal: No Solution Exploring Operation: 74-43=31, Resulting Numbers: [31] 31,46 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
[ 60, 75, 35, 60 ]
76
[ "60+35=95", "60*95=5700", "5700/75=76" ]
Current State: 76:[60, 75, 35, 60], Operations: [] Exploring Operation: 60+35=95, Resulting Numbers: [75, 95] Generated Node #2: [75, 95] from Operation: 60+35=95 Current State: 76:[75, 95], Operations: ['60+35=95'] Exploring Operation: 60*95=5700, Resulting Numbers: [75, 5700] Generated Node #3: [75, 5700] from Operation: 60*95=5700 Current State: 76:[75, 5700], Operations: ['60+35=95', '60*95=5700'] Exploring Operation: 5700/75=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[60, 75, 35, 60], Operations: [] Exploring Operation: 60-60=0, Resulting Numbers: [75, 35, 0] Generated Node #0,0: 76:[75, 35, 0] Operation: 60-60=0 Exploring Operation: 60/60=1, Resulting Numbers: [75, 35, 1] Generated Node #0,1: 76:[75, 35, 1] Operation: 60/60=1 Exploring Operation: 75-60=15, Resulting Numbers: [60, 35, 15] Generated Node #0,2: 76:[60, 35, 15] Operation: 75-60=15 Exploring Operation: 75-60=15, Resulting Numbers: [35, 60, 15] Generated Node #0,3: 76:[35, 60, 15] Operation: 75-60=15 Exploring Operation: 60-35=25, Resulting Numbers: [75, 60, 25] Generated Node #0,4: 76:[75, 60, 25] Operation: 60-35=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[75, 35, 1], Operations: ['60/60=1'] Exploring Operation: 35+1=36, Resulting Numbers: [75, 36] Generated Node #0,1,0: 76:[75, 36] Operation: 35+1=36 Exploring Operation: 75-35=40, Resulting Numbers: [1, 40] Generated Node #0,1,1: 76:[1, 40] Operation: 75-35=40 Exploring Operation: 75/1=75, Resulting Numbers: [35, 75] Generated Node #0,1,2: 76:[35, 75] Operation: 75/1=75 Exploring Operation: 75*1=75, Resulting Numbers: [35, 75] Generated Node #0,1,3: 76:[35, 75] Operation: 75*1=75 Exploring Operation: 75+1=76, Resulting Numbers: [35, 76] Generated Node #0,1,4: 76:[35, 76] Operation: 75+1=76 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 76:[75, 36], Operations: ['60/60=1', '35+1=36'] Exploring Operation: 75*36=2700, Resulting Numbers: [2700] 2700,76 unequal: No Solution Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 75+36=111, Resulting Numbers: [111] 111,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 76:[1, 40], Operations: ['60/60=1', '75-35=40'] Exploring Operation: 1+40=41, Resulting Numbers: [41] 41,76 unequal: No Solution Exploring Operation: 1*40=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 76:[35, 76], Operations: ['60/60=1', '75+1=76'] Exploring Operation: 76-35=41, Resulting Numbers: [41] 41,76 unequal: No Solution Exploring Operation: 35+76=111, Resulting Numbers: [111] 111,76 unequal: No Solution Exploring Operation: 35*76=2660, Resulting Numbers: [2660] 2660,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 76:[35, 75], Operations: ['60/60=1', '75/1=75'] Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 35*75=2625, Resulting Numbers: [2625] 2625,76 unequal: No Solution Exploring Operation: 35+75=110, Resulting Numbers: [110] 110,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 76:[35, 75], Operations: ['60/60=1', '75*1=75'] Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 35+75=110, Resulting Numbers: [110] 110,76 unequal: No Solution Exploring Operation: 35*75=2625, Resulting Numbers: [2625] 2625,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[75, 35, 0], Operations: ['60-60=0'] Exploring Operation: 75-35=40, Resulting Numbers: [0, 40] Generated Node #0,0,0: 76:[0, 40] Operation: 75-35=40 Exploring Operation: 35+0=35, Resulting Numbers: [75, 35] Generated Node #0,0,1: 76:[75, 35] Operation: 35+0=35 Exploring Operation: 75-0=75, Resulting Numbers: [35, 75] Generated Node #0,0,2: 76:[35, 75] Operation: 75-0=75 Exploring Operation: 35*0=0, Resulting Numbers: [75, 0] Generated Node #0,0,3: 76:[75, 0] Operation: 35*0=0 Exploring Operation: 75+0=75, Resulting Numbers: [35, 75] Generated Node #0,0,4: 76:[35, 75] Operation: 75+0=75 Moving to Node #0,0,3 Current State: 76:[75, 0], Operations: ['60-60=0', '35*0=0'] Exploring Operation: 75*0=0, Resulting Numbers: [0] 0,76 unequal: No Solution Exploring Operation: 75-0=75, Resulting Numbers: [75] 75,76 unequal: No Solution Exploring Operation: 75+0=75, Resulting Numbers: [75] 75,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[75, 35], Operations: ['60-60=0', '35+0=35'] Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 75+35=110, Resulting Numbers: [110] 110,76 unequal: No Solution Exploring Operation: 75*35=2625, Resulting Numbers: [2625] 2625,76 unequal: No Solution Moving to Node #0,0,4 Current State: 76:[35, 75], Operations: ['60-60=0', '75+0=75'] Exploring Operation: 35+75=110, Resulting Numbers: [110] 110,76 unequal: No Solution Exploring Operation: 35*75=2625, Resulting Numbers: [2625] 2625,76 unequal: No Solution Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[0, 40], Operations: ['60-60=0', '75-35=40'] Exploring Operation: 0*40=0, Resulting Numbers: [0] 0,76 unequal: No Solution Exploring Operation: 0+40=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 40-0=40, Resulting Numbers: [40] 40,76 unequal: No Solution Moving to Node #0,0,2 Current State: 76:[35, 75], Operations: ['60-60=0', '75-0=75'] Exploring Operation: 35+75=110, Resulting Numbers: [110] 110,76 unequal: No Solution Exploring Operation: 35*75=2625, Resulting Numbers: [2625] 2625,76 unequal: No Solution Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,76 unequal: No Solution No 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: 76:[60, 35, 15], Operations: ['75-60=15'] Exploring Operation: 60-15=45, Resulting Numbers: [35, 45] Generated Node #0,2,0: 76:[35, 45] Operation: 60-15=45 Exploring Operation: 60-35=25, Resulting Numbers: [15, 25] Generated Node #0,2,1: 76:[15, 25] Operation: 60-35=25 Exploring Operation: 60+15=75, Resulting Numbers: [35, 75] Generated Node #0,2,2: 76:[35, 75] Operation: 60+15=75 Exploring Operation: 35-15=20, Resulting Numbers: [60, 20] Generated Node #0,2,3: 76:[60, 20] Operation: 35-15=20 Exploring Operation: 60/15=4, Resulting Numbers: [35, 4] Generated Node #0,2,4: 76:[35, 4] Operation: 60/15=4 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 76:[35, 4], Operations: ['75-60=15', '60/15=4'] Exploring Operation: 35*4=140, Resulting Numbers: [140] 140,76 unequal: No Solution Exploring Operation: 35+4=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 76:[35, 75], Operations: ['75-60=15', '60+15=75'] Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 35*75=2625, Resulting Numbers: [2625] 2625,76 unequal: No Solution Exploring Operation: 35+75=110, Resulting Numbers: [110] 110,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 76:[35, 45], Operations: ['75-60=15', '60-15=45'] Exploring Operation: 45-35=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 35*45=1575, Resulting Numbers: [1575] 1575,76 unequal: No Solution Exploring Operation: 35+45=80, Resulting Numbers: [80] 80,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 76:[15, 25], Operations: ['75-60=15', '60-35=25'] Exploring Operation: 15+25=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 15*25=375, Resulting Numbers: [375] 375,76 unequal: No Solution Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 76:[60, 20], Operations: ['75-60=15', '35-15=20'] Exploring Operation: 60+20=80, Resulting Numbers: [80] 80,76 unequal: No Solution Exploring Operation: 60-20=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 60*20=1200, Resulting Numbers: [1200] 1200,76 unequal: No Solution Exploring Operation: 60/20=3, Resulting Numbers: [3] 3,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 76:[35, 60, 15], Operations: ['75-60=15'] Exploring Operation: 60-35=25, Resulting Numbers: [15, 25] Generated Node #0,3,0: 76:[15, 25] Operation: 60-35=25 Exploring Operation: 60+15=75, Resulting Numbers: [35, 75] Generated Node #0,3,1: 76:[35, 75] Operation: 60+15=75 Exploring Operation: 60/15=4, Resulting Numbers: [35, 4] Generated Node #0,3,2: 76:[35, 4] Operation: 60/15=4 Exploring Operation: 35-15=20, Resulting Numbers: [60, 20] Generated Node #0,3,3: 76:[60, 20] Operation: 35-15=20 Exploring Operation: 60-15=45, Resulting Numbers: [35, 45] Generated Node #0,3,4: 76:[35, 45] Operation: 60-15=45 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 76:[35, 4], Operations: ['75-60=15', '60/15=4'] Exploring Operation: 35+4=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 35*4=140, Resulting Numbers: [140] 140,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 76:[35, 75], Operations: ['75-60=15', '60+15=75'] Exploring Operation: 35+75=110, Resulting Numbers: [110] 110,76 unequal: No Solution Exploring Operation: 35*75=2625, Resulting Numbers: [2625] 2625,76 unequal: No Solution Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 76:[15, 25], Operations: ['75-60=15', '60-35=25'] Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 15*25=375, Resulting Numbers: [375] 375,76 unequal: No Solution Exploring Operation: 15+25=40, Resulting Numbers: [40] 40,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 76:[35, 45], Operations: ['75-60=15', '60-15=45'] Exploring Operation: 35*45=1575, Resulting Numbers: [1575] 1575,76 unequal: No Solution Exploring Operation: 35+45=80, Resulting Numbers: [80] 80,76 unequal: No Solution Exploring Operation: 45-35=10, Resulting Numbers: [10] 10,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 76:[60, 20], Operations: ['75-60=15', '35-15=20'] Exploring Operation: 60-20=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 60/20=3, Resulting Numbers: [3] 3,76 unequal: No Solution Exploring Operation: 60*20=1200, Resulting Numbers: [1200] 1200,76 unequal: No Solution Exploring Operation: 60+20=80, Resulting Numbers: [80] 80,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 76:[75, 60, 25], Operations: ['60-35=25'] Exploring Operation: 75-25=50, Resulting Numbers: [60, 50] Generated Node #0,4,0: 76:[60, 50] Operation: 75-25=50 Exploring Operation: 60-25=35, Resulting Numbers: [75, 35] Generated Node #0,4,1: 76:[75, 35] Operation: 60-25=35 Exploring Operation: 60+25=85, Resulting Numbers: [75, 85] Generated Node #0,4,2: 76:[75, 85] Operation: 60+25=85 Exploring Operation: 75-60=15, Resulting Numbers: [25, 15] Generated Node #0,4,3: 76:[25, 15] Operation: 75-60=15 Exploring Operation: 75/25=3, Resulting Numbers: [60, 3] Generated Node #0,4,4: 76:[60, 3] Operation: 75/25=3 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 76:[75, 35], Operations: ['60-35=25', '60-25=35'] Exploring Operation: 75+35=110, Resulting Numbers: [110] 110,76 unequal: No Solution Exploring Operation: 75*35=2625, Resulting Numbers: [2625] 2625,76 unequal: No Solution Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 76:[75, 85], Operations: ['60-35=25', '60+25=85'] Exploring Operation: 85-75=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 75+85=160, Resulting Numbers: [160] 160,76 unequal: No Solution Exploring Operation: 75*85=6375, Resulting Numbers: [6375] 6375,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 76:[25, 15], Operations: ['60-35=25', '75-60=15'] Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 25*15=375, Resulting Numbers: [375] 375,76 unequal: No Solution Exploring Operation: 25+15=40, Resulting Numbers: [40] 40,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 76:[60, 3], Operations: ['60-35=25', '75/25=3'] Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 60+3=63, Resulting Numbers: [63] 63,76 unequal: No Solution Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,76 unequal: No Solution Exploring Operation: 60*3=180, Resulting Numbers: [180] 180,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 76:[60, 50], Operations: ['60-35=25', '75-25=50'] Exploring Operation: 60+50=110, Resulting Numbers: [110] 110,76 unequal: No Solution Exploring Operation: 60*50=3000, Resulting Numbers: [3000] 3000,76 unequal: No Solution Exploring Operation: 60-50=10, Resulting Numbers: [10] 10,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 9, 75, 42, 79 ]
29
[ "75-9=66", "79-42=37", "66-37=29" ]
Current State: 29:[9, 75, 42, 79], Operations: [] Exploring Operation: 75-9=66, Resulting Numbers: [42, 79, 66] Generated Node #2: [42, 79, 66] from Operation: 75-9=66 Current State: 29:[42, 79, 66], Operations: ['75-9=66'] Exploring Operation: 79-42=37, Resulting Numbers: [66, 37] Generated Node #3: [66, 37] from Operation: 79-42=37 Current State: 29:[66, 37], Operations: ['75-9=66', '79-42=37'] Exploring Operation: 66-37=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[9, 75, 42, 79], Operations: [] Exploring Operation: 75-42=33, Resulting Numbers: [9, 79, 33] Generated Node #0,0: 29:[9, 79, 33] Operation: 75-42=33 Exploring Operation: 79-75=4, Resulting Numbers: [9, 42, 4] Generated Node #0,1: 29:[9, 42, 4] Operation: 79-75=4 Moving to Node #0,1 Current State: 29:[9, 42, 4], Operations: ['79-75=4'] Exploring Operation: 42-9=33, Resulting Numbers: [4, 33] Generated Node #0,1,0: 29:[4, 33] Operation: 42-9=33 Exploring Operation: 9*4=36, Resulting Numbers: [42, 36] Generated Node #0,1,1: 29:[42, 36] Operation: 9*4=36 Moving to Node #0,0 Current State: 29:[9, 79, 33], Operations: ['75-42=33'] Exploring Operation: 79-33=46, Resulting Numbers: [9, 46] Generated Node #0,0,0: 29:[9, 46] Operation: 79-33=46 Exploring Operation: 79-9=70, Resulting Numbers: [33, 70] Generated Node #0,0,1: 29:[33, 70] Operation: 79-9=70 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[9, 46], Operations: ['75-42=33', '79-33=46'] Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 9+46=55, Resulting Numbers: [55] 55,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[33, 70], Operations: ['75-42=33', '79-9=70'] Exploring Operation: 70-33=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 33+70=103, Resulting Numbers: [103] 103,29 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: 29:[42, 36], Operations: ['79-75=4', '9*4=36'] Exploring Operation: 42+36=78, Resulting Numbers: [78] 78,29 unequal: No Solution Exploring Operation: 42-36=6, Resulting Numbers: [6] 6,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[4, 33], Operations: ['79-75=4', '42-9=33'] Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[9, 75, 42, 79], Operations: [] Exploring Operation: 79-75=4, Resulting Numbers: [9, 42, 4] Generated Node #0,1: 29:[9, 42, 4] Operation: 79-75=4 Moving to Node #0,1 Current State: 29:[9, 42, 4], Operations: ['79-75=4'] Exploring Operation: 42-9=33, Resulting Numbers: [4, 33] Generated Node #0,1,0: 29:[4, 33] Operation: 42-9=33 Moving to Node #0,1,0 Current State: 29:[4, 33], Operations: ['79-75=4', '42-9=33'] Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
0.985243
hs_2
sum_heuristic
[ 85, 8, 40, 37 ]
43
[ "85-37=48", "40/8=5", "48-5=43" ]
Current State: 43:[85, 8, 40, 37], Operations: [] Exploring Operation: 85-37=48, Resulting Numbers: [8, 40, 48] Generated Node #2: [8, 40, 48] from Operation: 85-37=48 Current State: 43:[8, 40, 48], Operations: ['85-37=48'] Exploring Operation: 40/8=5, Resulting Numbers: [48, 5] Generated Node #3: [48, 5] from Operation: 40/8=5 Current State: 43:[48, 5], Operations: ['85-37=48', '40/8=5'] Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[85, 8, 40, 37], Operations: [] Exploring Operation: 8+37=45, Resulting Numbers: [85, 40, 45] Generated Node #0,0: 43:[85, 40, 45] Operation: 8+37=45 Exploring Operation: 85-37=48, Resulting Numbers: [8, 40, 48] Generated Node #0,1: 43:[8, 40, 48] Operation: 85-37=48 Exploring Operation: 85-40=45, Resulting Numbers: [8, 37, 45] Generated Node #0,2: 43:[8, 37, 45] Operation: 85-40=45 Exploring Operation: 85-8=77, Resulting Numbers: [40, 37, 77] Generated Node #0,3: 43:[40, 37, 77] Operation: 85-8=77 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[8, 40, 48], Operations: ['85-37=48'] Exploring Operation: 8+40=48, Resulting Numbers: [48, 48] Generated Node #0,1,0: 43:[48, 48] Operation: 8+40=48 Exploring Operation: 40-8=32, Resulting Numbers: [48, 32] Generated Node #0,1,1: 43:[48, 32] Operation: 40-8=32 Exploring Operation: 8+48=56, Resulting Numbers: [40, 56] Generated Node #0,1,2: 43:[40, 56] Operation: 8+48=56 Exploring Operation: 48-8=40, Resulting Numbers: [40, 40] Generated Node #0,1,3: 43:[40, 40] Operation: 48-8=40 Moving to Node #0,1,3 Current State: 43:[40, 40], Operations: ['85-37=48', '48-8=40'] Exploring Operation: 40/40=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 40*40=1600, Resulting Numbers: [1600] 1600,43 unequal: No Solution Exploring Operation: 40+40=80, Resulting Numbers: [80] 80,43 unequal: No Solution Exploring Operation: 40-40=0, Resulting Numbers: [0] 0,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[48, 48], Operations: ['85-37=48', '8+40=48'] Exploring Operation: 48*48=2304, Resulting Numbers: [2304] 2304,43 unequal: No Solution Exploring Operation: 48/48=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 48+48=96, Resulting Numbers: [96] 96,43 unequal: No Solution Exploring Operation: 48-48=0, Resulting Numbers: [0] 0,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[40, 56], Operations: ['85-37=48', '8+48=56'] Exploring Operation: 56-40=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 40+56=96, Resulting Numbers: [96] 96,43 unequal: No Solution Exploring Operation: 40*56=2240, Resulting Numbers: [2240] 2240,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[48, 32], Operations: ['85-37=48', '40-8=32'] Exploring Operation: 48+32=80, Resulting Numbers: [80] 80,43 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 48*32=1536, Resulting Numbers: [1536] 1536,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[8, 37, 45], Operations: ['85-40=45'] Exploring Operation: 37-8=29, Resulting Numbers: [45, 29] Generated Node #0,2,0: 43:[45, 29] Operation: 37-8=29 Exploring Operation: 8+37=45, Resulting Numbers: [45, 45] Generated Node #0,2,1: 43:[45, 45] Operation: 8+37=45 Exploring Operation: 8+45=53, Resulting Numbers: [37, 53] Generated Node #0,2,2: 43:[37, 53] Operation: 8+45=53 Exploring Operation: 45-8=37, Resulting Numbers: [37, 37] Generated Node #0,2,3: 43:[37, 37] Operation: 45-8=37 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[45, 45], Operations: ['85-40=45', '8+37=45'] Exploring Operation: 45/45=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 45-45=0, Resulting Numbers: [0] 0,43 unequal: No Solution Exploring Operation: 45+45=90, Resulting Numbers: [90] 90,43 unequal: No Solution Exploring Operation: 45*45=2025, Resulting Numbers: [2025] 2025,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 43:[37, 37], Operations: ['85-40=45', '45-8=37'] Exploring Operation: 37*37=1369, Resulting Numbers: [1369] 1369,43 unequal: No Solution Exploring Operation: 37-37=0, Resulting Numbers: [0] 0,43 unequal: No Solution Exploring Operation: 37/37=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 37+37=74, Resulting Numbers: [74] 74,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[45, 29], Operations: ['85-40=45', '37-8=29'] Exploring Operation: 45-29=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 45*29=1305, Resulting Numbers: [1305] 1305,43 unequal: No Solution Exploring Operation: 45+29=74, Resulting Numbers: [74] 74,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[37, 53], Operations: ['85-40=45', '8+45=53'] Exploring Operation: 37*53=1961, Resulting Numbers: [1961] 1961,43 unequal: No Solution Exploring Operation: 37+53=90, Resulting Numbers: [90] 90,43 unequal: No Solution Exploring Operation: 53-37=16, Resulting Numbers: [16] 16,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[40, 37, 77], Operations: ['85-8=77'] Exploring Operation: 40+37=77, Resulting Numbers: [77, 77] Generated Node #0,3,0: 43:[77, 77] Operation: 40+37=77 Exploring Operation: 77-40=37, Resulting Numbers: [37, 37] Generated Node #0,3,1: 43:[37, 37] Operation: 77-40=37 Exploring Operation: 77-37=40, Resulting Numbers: [40, 40] Generated Node #0,3,2: 43:[40, 40] Operation: 77-37=40 Exploring Operation: 40-37=3, Resulting Numbers: [77, 3] Generated Node #0,3,3: 43:[77, 3] Operation: 40-37=3 Moving to Node #0,3,2 Current State: 43:[40, 40], Operations: ['85-8=77', '77-37=40'] Exploring Operation: 40-40=0, Resulting Numbers: [0] 0,43 unequal: No Solution Exploring Operation: 40/40=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 40+40=80, Resulting Numbers: [80] 80,43 unequal: No Solution Exploring Operation: 40*40=1600, Resulting Numbers: [1600] 1600,43 unequal: No Solution Moving to Node #0,3,1 Current State: 43:[37, 37], Operations: ['85-8=77', '77-40=37'] Exploring Operation: 37-37=0, Resulting Numbers: [0] 0,43 unequal: No Solution Exploring Operation: 37/37=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 37+37=74, Resulting Numbers: [74] 74,43 unequal: No Solution Exploring Operation: 37*37=1369, Resulting Numbers: [1369] 1369,43 unequal: No Solution Moving to Node #0,3,0 Current State: 43:[77, 77], Operations: ['85-8=77', '40+37=77'] Exploring Operation: 77+77=154, Resulting Numbers: [154] 154,43 unequal: No Solution Exploring Operation: 77/77=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 77*77=5929, Resulting Numbers: [5929] 5929,43 unequal: No Solution Exploring Operation: 77-77=0, Resulting Numbers: [0] 0,43 unequal: No Solution Moving to Node #0,3,3 Current State: 43:[77, 3], Operations: ['85-8=77', '40-37=3'] Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,43 unequal: No Solution Exploring Operation: 77+3=80, Resulting Numbers: [80] 80,43 unequal: No Solution Exploring Operation: 77*3=231, Resulting Numbers: [231] 231,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[85, 40, 45], Operations: ['8+37=45'] Exploring Operation: 45-40=5, Resulting Numbers: [85, 5] Generated Node #0,0,0: 43:[85, 5] Operation: 45-40=5 Exploring Operation: 85-40=45, Resulting Numbers: [45, 45] Generated Node #0,0,1: 43:[45, 45] Operation: 85-40=45 Exploring Operation: 85+40=125, Resulting Numbers: [45, 125] Generated Node #0,0,2: 43:[45, 125] Operation: 85+40=125 Exploring Operation: 85-45=40, Resulting Numbers: [40, 40] Generated Node #0,0,3: 43:[40, 40] Operation: 85-45=40 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[45, 45], Operations: ['8+37=45', '85-40=45'] Exploring Operation: 45/45=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 45-45=0, Resulting Numbers: [0] 0,43 unequal: No Solution Exploring Operation: 45+45=90, Resulting Numbers: [90] 90,43 unequal: No Solution Exploring Operation: 45*45=2025, Resulting Numbers: [2025] 2025,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 43:[40, 40], Operations: ['8+37=45', '85-45=40'] Exploring Operation: 40-40=0, Resulting Numbers: [0] 0,43 unequal: No Solution Exploring Operation: 40*40=1600, Resulting Numbers: [1600] 1600,43 unequal: No Solution Exploring Operation: 40+40=80, Resulting Numbers: [80] 80,43 unequal: No Solution Exploring Operation: 40/40=1, Resulting Numbers: [1] 1,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[85, 5], Operations: ['8+37=45', '45-40=5'] Exploring Operation: 85-5=80, Resulting Numbers: [80] 80,43 unequal: No Solution Exploring Operation: 85/5=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 85+5=90, Resulting Numbers: [90] 90,43 unequal: No Solution Exploring Operation: 85*5=425, Resulting Numbers: [425] 425,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 43:[45, 125], Operations: ['8+37=45', '85+40=125'] Exploring Operation: 125-45=80, Resulting Numbers: [80] 80,43 unequal: No Solution Exploring Operation: 45+125=170, Resulting Numbers: [170] 170,43 unequal: No Solution Exploring Operation: 45*125=5625, Resulting Numbers: [5625] 5625,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 20, 71, 55, 80 ]
84
[ "71-20=51", "55+80=135", "135-51=84" ]
Current State: 84:[20, 71, 55, 80], Operations: [] Exploring Operation: 71-20=51, Resulting Numbers: [55, 80, 51] Generated Node #2: [55, 80, 51] from Operation: 71-20=51 Current State: 84:[55, 80, 51], Operations: ['71-20=51'] Exploring Operation: 55+80=135, Resulting Numbers: [51, 135] Generated Node #3: [51, 135] from Operation: 55+80=135 Current State: 84:[51, 135], Operations: ['71-20=51', '55+80=135'] Exploring Operation: 135-51=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[20, 71, 55, 80], Operations: [] Exploring Operation: 71-55=16, Resulting Numbers: [20, 80, 16] Generated Node #0,0: 84:[20, 80, 16] Operation: 71-55=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[20, 80, 16], Operations: ['71-55=16'] Exploring Operation: 80/20=4, Resulting Numbers: [16, 4] Generated Node #0,0,0: 84:[16, 4] Operation: 80/20=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[16, 4], Operations: ['71-55=16', '80/20=4'] Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 55, 7, 51, 71 ]
74
[ "55-7=48", "51+71=122", "122-48=74" ]
Current State: 74:[55, 7, 51, 71], Operations: [] Exploring Operation: 55-7=48, Resulting Numbers: [51, 71, 48] Generated Node #2: [51, 71, 48] from Operation: 55-7=48 Current State: 74:[51, 71, 48], Operations: ['55-7=48'] Exploring Operation: 51+71=122, Resulting Numbers: [48, 122] Generated Node #3: [48, 122] from Operation: 51+71=122 Current State: 74:[48, 122], Operations: ['55-7=48', '51+71=122'] Exploring Operation: 122-48=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[55, 7, 51, 71], Operations: [] Exploring Operation: 55-51=4, Resulting Numbers: [7, 71, 4] Generated Node #0,0: 74:[7, 71, 4] Operation: 55-51=4 Moving to Node #0,0 Current State: 74:[7, 71, 4], Operations: ['55-51=4'] Exploring Operation: 7-4=3, Resulting Numbers: [71, 3] Generated Node #0,0,0: 74:[71, 3] Operation: 7-4=3 Moving to Node #0,0,0 Current State: 74:[71, 3], Operations: ['55-51=4', '7-4=3'] Exploring Operation: 71+3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[55, 7, 51, 71], Operations: [] Exploring Operation: 55-51=4, Resulting Numbers: [7, 71, 4] Generated Node #0,0: 74:[7, 71, 4] Operation: 55-51=4 Moving to Node #0,0 Current State: 74:[7, 71, 4], Operations: ['55-51=4'] Exploring Operation: 7-4=3, Resulting Numbers: [71, 3] Generated Node #0,0,0: 74:[71, 3] Operation: 7-4=3 Moving to Node #0,0,0 Current State: 74:[71, 3], Operations: ['55-51=4', '7-4=3'] Exploring Operation: 71+3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 78, 6, 3, 26 ]
75
[ "78+3=81", "6*26=156", "156-81=75" ]
Current State: 75:[78, 6, 3, 26], Operations: [] Exploring Operation: 78+3=81, Resulting Numbers: [6, 26, 81] Generated Node #2: [6, 26, 81] from Operation: 78+3=81 Current State: 75:[6, 26, 81], Operations: ['78+3=81'] Exploring Operation: 6*26=156, Resulting Numbers: [81, 156] Generated Node #3: [81, 156] from Operation: 6*26=156 Current State: 75:[81, 156], Operations: ['78+3=81', '6*26=156'] Exploring Operation: 156-81=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[78, 6, 3, 26], Operations: [] Exploring Operation: 78/26=3, Resulting Numbers: [6, 3, 3] Generated Node #0,0: 75:[6, 3, 3] Operation: 78/26=3 Moving to Node #0,0 Current State: 75:[6, 3, 3], Operations: ['78/26=3'] Exploring Operation: 6-3=3, Resulting Numbers: [3, 3] Generated Node #0,0,0: 75:[3, 3] Operation: 6-3=3 Moving to Node #0,0,0 Current State: 75:[3, 3], Operations: ['78/26=3', '6-3=3'] Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,75 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 97, 13, 60, 81 ]
20
[ "97-13=84", "84-81=3", "60/3=20" ]
Current State: 20:[97, 13, 60, 81], Operations: [] Exploring Operation: 97-13=84, Resulting Numbers: [60, 81, 84] Generated Node #2: [60, 81, 84] from Operation: 97-13=84 Current State: 20:[60, 81, 84], Operations: ['97-13=84'] Exploring Operation: 84-81=3, Resulting Numbers: [60, 3] Generated Node #3: [60, 3] from Operation: 84-81=3 Current State: 20:[60, 3], Operations: ['97-13=84', '84-81=3'] Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[97, 13, 60, 81], Operations: [] Exploring Operation: 97-13=84, Resulting Numbers: [60, 81, 84] Generated Node #0,0: 20:[60, 81, 84] Operation: 97-13=84 Exploring Operation: 60-13=47, Resulting Numbers: [97, 81, 47] Generated Node #0,1: 20:[97, 81, 47] Operation: 60-13=47 Exploring Operation: 97-81=16, Resulting Numbers: [13, 60, 16] Generated Node #0,2: 20:[13, 60, 16] Operation: 97-81=16 Exploring Operation: 81-60=21, Resulting Numbers: [97, 13, 21] Generated Node #0,3: 20:[97, 13, 21] Operation: 81-60=21 Exploring Operation: 97-60=37, Resulting Numbers: [13, 81, 37] Generated Node #0,4: 20:[13, 81, 37] Operation: 97-60=37 Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[13, 60, 16], Operations: ['97-81=16'] Exploring Operation: 60-16=44, Resulting Numbers: [13, 44] Generated Node #0,2,0: 20:[13, 44] Operation: 60-16=44 Exploring Operation: 13+60=73, Resulting Numbers: [16, 73] Generated Node #0,2,1: 20:[16, 73] Operation: 13+60=73 Exploring Operation: 16-13=3, Resulting Numbers: [60, 3] Generated Node #0,2,2: 20:[60, 3] Operation: 16-13=3 Exploring Operation: 60-13=47, Resulting Numbers: [16, 47] Generated Node #0,2,3: 20:[16, 47] Operation: 60-13=47 Exploring Operation: 13+16=29, Resulting Numbers: [60, 29] Generated Node #0,2,4: 20:[60, 29] Operation: 13+16=29 Moving to Node #0,2,0 Current State: 20:[13, 44], Operations: ['97-81=16', '60-16=44'] Exploring Operation: 13+44=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 13*44=572, Resulting Numbers: [572] 572,20 unequal: No Solution Moving to Node #0,2,3 Current State: 20:[16, 47], Operations: ['97-81=16', '60-13=47'] Exploring Operation: 16+47=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 16*47=752, Resulting Numbers: [752] 752,20 unequal: No Solution Moving to Node #0,2,2 Current State: 20:[60, 3], Operations: ['97-81=16', '16-13=3'] Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 60*3=180, Resulting Numbers: [180] 180,20 unequal: No Solution Exploring Operation: 60+3=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[97, 13, 60, 81], Operations: [] Exploring Operation: 97-81=16, Resulting Numbers: [13, 60, 16] Generated Node #0,2: 20:[13, 60, 16] Operation: 97-81=16 Moving to Node #0,2 Current State: 20:[13, 60, 16], Operations: ['97-81=16'] Exploring Operation: 16-13=3, Resulting Numbers: [60, 3] Generated Node #0,2,2: 20:[60, 3] Operation: 16-13=3 Moving to Node #0,2,2 Current State: 20:[60, 3], Operations: ['97-81=16', '16-13=3'] Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_5
mult_heuristic
[ 43, 2, 56, 10 ]
46
[ "56-43=13", "10+13=23", "2*23=46" ]
Current State: 46:[43, 2, 56, 10], Operations: [] Exploring Operation: 56-43=13, Resulting Numbers: [2, 10, 13] Generated Node #2: [2, 10, 13] from Operation: 56-43=13 Current State: 46:[2, 10, 13], Operations: ['56-43=13'] Exploring Operation: 10+13=23, Resulting Numbers: [2, 23] Generated Node #3: [2, 23] from Operation: 10+13=23 Current State: 46:[2, 23], Operations: ['56-43=13', '10+13=23'] Exploring Operation: 2*23=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[43, 2, 56, 10], Operations: [] Exploring Operation: 10/2=5, Resulting Numbers: [43, 56, 5] Generated Node #0,0: 46:[43, 56, 5] Operation: 10/2=5 Exploring Operation: 56/2=28, Resulting Numbers: [43, 10, 28] Generated Node #0,1: 46:[43, 10, 28] Operation: 56/2=28 Exploring Operation: 56-10=46, Resulting Numbers: [43, 2, 46] Generated Node #0,2: 46:[43, 2, 46] Operation: 56-10=46 Exploring Operation: 2*10=20, Resulting Numbers: [43, 56, 20] Generated Node #0,3: 46:[43, 56, 20] Operation: 2*10=20 Moving to Node #0,2 Current State: 46:[43, 2, 46], Operations: ['56-10=46'] Exploring Operation: 43-2=41, Resulting Numbers: [46, 41] Generated Node #0,2,0: 46:[46, 41] Operation: 43-2=41 Exploring Operation: 43+2=45, Resulting Numbers: [46, 45] Generated Node #0,2,1: 46:[46, 45] Operation: 43+2=45 Exploring Operation: 46/2=23, Resulting Numbers: [43, 23] Generated Node #0,2,2: 46:[43, 23] Operation: 46/2=23 Exploring Operation: 46-43=3, Resulting Numbers: [2, 3] Generated Node #0,2,3: 46:[2, 3] Operation: 46-43=3 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 46:[46, 45], Operations: ['56-10=46', '43+2=45'] Exploring Operation: 46-45=1, Resulting Numbers: [1] 1,46 unequal: No Solution Exploring Operation: 46+45=91, Resulting Numbers: [91] 91,46 unequal: No Solution Exploring Operation: 46*45=2070, Resulting Numbers: [2070] 2070,46 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 #0,2,3 Current State: 46:[2, 3], Operations: ['56-10=46', '46-43=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,46 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,46 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,46 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 #0,2,2 Current State: 46:[43, 23], Operations: ['56-10=46', '46/2=23'] Exploring Operation: 43-23=20, Resulting Numbers: [20] 20,46 unequal: No Solution Exploring Operation: 43*23=989, Resulting Numbers: [989] 989,46 unequal: No Solution Exploring Operation: 43+23=66, Resulting Numbers: [66] 66,46 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 #0,2,0 Current State: 46:[46, 41], Operations: ['56-10=46', '43-2=41'] Exploring Operation: 46+41=87, Resulting Numbers: [87] 87,46 unequal: No Solution Exploring Operation: 46-41=5, Resulting Numbers: [5] 5,46 unequal: No Solution Exploring Operation: 46*41=1886, Resulting Numbers: [1886] 1886,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 46:[43, 10, 28], Operations: ['56/2=28'] Exploring Operation: 43+10=53, Resulting Numbers: [28, 53] Generated Node #0,1,0: 46:[28, 53] Operation: 43+10=53 Exploring Operation: 28-10=18, Resulting Numbers: [43, 18] Generated Node #0,1,1: 46:[43, 18] Operation: 28-10=18 Exploring Operation: 10+28=38, Resulting Numbers: [43, 38] Generated Node #0,1,2: 46:[43, 38] Operation: 10+28=38 Exploring Operation: 43-10=33, Resulting Numbers: [28, 33] Generated Node #0,1,3: 46:[28, 33] Operation: 43-10=33 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 46:[43, 18], Operations: ['56/2=28', '28-10=18'] Exploring Operation: 43-18=25, Resulting Numbers: [25] 25,46 unequal: No Solution Exploring Operation: 43*18=774, Resulting Numbers: [774] 774,46 unequal: No Solution Exploring Operation: 43+18=61, Resulting Numbers: [61] 61,46 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:[43, 38], Operations: ['56/2=28', '10+28=38'] Exploring Operation: 43-38=5, Resulting Numbers: [5] 5,46 unequal: No Solution Exploring Operation: 43+38=81, Resulting Numbers: [81] 81,46 unequal: No Solution Exploring Operation: 43*38=1634, Resulting Numbers: [1634] 1634,46 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:[28, 53], Operations: ['56/2=28', '43+10=53'] Exploring Operation: 28*53=1484, Resulting Numbers: [1484] 1484,46 unequal: No Solution Exploring Operation: 28+53=81, Resulting Numbers: [81] 81,46 unequal: No Solution Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,46 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 #0,1,3 Current State: 46:[28, 33], Operations: ['56/2=28', '43-10=33'] Exploring Operation: 28*33=924, Resulting Numbers: [924] 924,46 unequal: No Solution Exploring Operation: 28+33=61, Resulting Numbers: [61] 61,46 unequal: No Solution Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,46 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: 46:[43, 56, 5], Operations: ['10/2=5'] Exploring Operation: 56-43=13, Resulting Numbers: [5, 13] Generated Node #0,0,0: 46:[5, 13] Operation: 56-43=13 Exploring Operation: 43-5=38, Resulting Numbers: [56, 38] Generated Node #0,0,1: 46:[56, 38] Operation: 43-5=38 Exploring Operation: 43+5=48, Resulting Numbers: [56, 48] Generated Node #0,0,2: 46:[56, 48] Operation: 43+5=48 Exploring Operation: 56-5=51, Resulting Numbers: [43, 51] Generated Node #0,0,3: 46:[43, 51] Operation: 56-5=51 Moving to Node #0,3 Current State: 46:[43, 56, 20], Operations: ['2*10=20'] Exploring Operation: 56-43=13, Resulting Numbers: [20, 13] Generated Node #0,3,0: 46:[20, 13] Operation: 56-43=13 Exploring Operation: 43+20=63, Resulting Numbers: [56, 63] Generated Node #0,3,1: 46:[56, 63] Operation: 43+20=63 Exploring Operation: 56-20=36, Resulting Numbers: [43, 36] Generated Node #0,3,2: 46:[43, 36] Operation: 56-20=36 Exploring Operation: 43-20=23, Resulting Numbers: [56, 23] Generated Node #0,3,3: 46:[56, 23] Operation: 43-20=23 Moving to Node #0,0,3 Current State: 46:[43, 51], Operations: ['10/2=5', '56-5=51'] Exploring Operation: 43*51=2193, Resulting Numbers: [2193] 2193,46 unequal: No Solution Exploring Operation: 43+51=94, Resulting Numbers: [94] 94,46 unequal: No Solution Exploring Operation: 51-43=8, Resulting Numbers: [8] 8,46 unequal: No Solution Moving to Node #0,3,3 Current State: 46:[56, 23], Operations: ['2*10=20', '43-20=23'] Exploring Operation: 56+23=79, Resulting Numbers: [79] 79,46 unequal: No Solution Exploring Operation: 56-23=33, Resulting Numbers: [33] 33,46 unequal: No Solution Exploring Operation: 56*23=1288, Resulting Numbers: [1288] 1288,46 unequal: No Solution Moving to Node #0,0,2 Current State: 46:[56, 48], Operations: ['10/2=5', '43+5=48'] Exploring Operation: 56*48=2688, Resulting Numbers: [2688] 2688,46 unequal: No Solution Exploring Operation: 56+48=104, Resulting Numbers: [104] 104,46 unequal: No Solution Exploring Operation: 56-48=8, Resulting Numbers: [8] 8,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[5, 13], Operations: ['10/2=5', '56-43=13'] Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,46 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,46 unequal: No Solution Moving to Node #0,3,0 Current State: 46:[20, 13], Operations: ['2*10=20', '56-43=13'] Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,46 unequal: No Solution Exploring Operation: 20*13=260, Resulting Numbers: [260] 260,46 unequal: No Solution Moving to Node #0,3,2 Current State: 46:[43, 36], Operations: ['2*10=20', '56-20=36'] Exploring Operation: 43+36=79, Resulting Numbers: [79] 79,46 unequal: No Solution Exploring Operation: 43-36=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 43*36=1548, Resulting Numbers: [1548] 1548,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[56, 38], Operations: ['10/2=5', '43-5=38'] Exploring Operation: 56+38=94, Resulting Numbers: [94] 94,46 unequal: No Solution Exploring Operation: 56-38=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 56*38=2128, Resulting Numbers: [2128] 2128,46 unequal: No Solution Moving to Node #0,3,1 Current State: 46:[56, 63], Operations: ['2*10=20', '43+20=63'] Exploring Operation: 63-56=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 56*63=3528, Resulting Numbers: [3528] 3528,46 unequal: No Solution Exploring Operation: 56+63=119, Resulting Numbers: [119] 119,46 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 81, 72, 63, 27 ]
27
[ "81-72=9", "63-27=36", "36-9=27" ]
Current State: 27:[81, 72, 63, 27], Operations: [] Exploring Operation: 81-72=9, Resulting Numbers: [63, 27, 9] Generated Node #2: [63, 27, 9] from Operation: 81-72=9 Current State: 27:[63, 27, 9], Operations: ['81-72=9'] Exploring Operation: 63-27=36, Resulting Numbers: [9, 36] Generated Node #3: [9, 36] from Operation: 63-27=36 Current State: 27:[9, 36], Operations: ['81-72=9', '63-27=36'] Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[81, 72, 63, 27], Operations: [] Exploring Operation: 72-63=9, Resulting Numbers: [81, 27, 9] Generated Node #0,0: 27:[81, 27, 9] Operation: 72-63=9 Exploring Operation: 81-72=9, Resulting Numbers: [63, 27, 9] Generated Node #0,1: 27:[63, 27, 9] Operation: 81-72=9 Exploring Operation: 81/27=3, Resulting Numbers: [72, 63, 3] Generated Node #0,2: 27:[72, 63, 3] Operation: 81/27=3 Exploring Operation: 81-63=18, Resulting Numbers: [72, 27, 18] Generated Node #0,3: 27:[72, 27, 18] Operation: 81-63=18 Moving to Node #0,1 Current State: 27:[63, 27, 9], Operations: ['81-72=9'] Exploring Operation: 63-9=54, Resulting Numbers: [27, 54] Generated Node #0,1,0: 27:[27, 54] Operation: 63-9=54 Exploring Operation: 63/9=7, Resulting Numbers: [27, 7] Generated Node #0,1,1: 27:[27, 7] Operation: 63/9=7 Exploring Operation: 27/9=3, Resulting Numbers: [63, 3] Generated Node #0,1,2: 27:[63, 3] Operation: 27/9=3 Exploring Operation: 63-27=36, Resulting Numbers: [9, 36] Generated Node #0,1,3: 27:[9, 36] Operation: 63-27=36 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 27:[27, 7], Operations: ['81-72=9', '63/9=7'] Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,27 unequal: No Solution Exploring Operation: 27*7=189, Resulting Numbers: [189] 189,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 27:[9, 36], Operations: ['81-72=9', '63-27=36'] Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[81, 72, 63, 27], Operations: [] Exploring Operation: 81-72=9, Resulting Numbers: [63, 27, 9] Generated Node #0,1: 27:[63, 27, 9] Operation: 81-72=9 Moving to Node #0,1 Current State: 27:[63, 27, 9], Operations: ['81-72=9'] Exploring Operation: 63-27=36, Resulting Numbers: [9, 36] Generated Node #0,1,3: 27:[9, 36] Operation: 63-27=36 Moving to Node #0,1,3 Current State: 27:[9, 36], Operations: ['81-72=9', '63-27=36'] Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 13, 66, 51, 27 ]
48
[ "66-27=39", "39/13=3", "51-3=48" ]
Current State: 48:[13, 66, 51, 27], Operations: [] Exploring Operation: 66-27=39, Resulting Numbers: [13, 51, 39] Generated Node #2: [13, 51, 39] from Operation: 66-27=39 Current State: 48:[13, 51, 39], Operations: ['66-27=39'] Exploring Operation: 39/13=3, Resulting Numbers: [51, 3] Generated Node #3: [51, 3] from Operation: 39/13=3 Current State: 48:[51, 3], Operations: ['66-27=39', '39/13=3'] Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[13, 66, 51, 27], Operations: [] Exploring Operation: 66-51=15, Resulting Numbers: [13, 27, 15] Generated Node #0,0: 48:[13, 27, 15] Operation: 66-51=15 Exploring Operation: 66-27=39, Resulting Numbers: [13, 51, 39] Generated Node #0,1: 48:[13, 51, 39] Operation: 66-27=39 Exploring Operation: 66-13=53, Resulting Numbers: [51, 27, 53] Generated Node #0,2: 48:[51, 27, 53] Operation: 66-13=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[13, 27, 15], Operations: ['66-51=15'] Exploring Operation: 15-13=2, Resulting Numbers: [27, 2] Generated Node #0,0,0: 48:[27, 2] Operation: 15-13=2 Exploring Operation: 27-15=12, Resulting Numbers: [13, 12] Generated Node #0,0,1: 48:[13, 12] Operation: 27-15=12 Exploring Operation: 27-13=14, Resulting Numbers: [15, 14] Generated Node #0,0,2: 48:[15, 14] Operation: 27-13=14 Moving to Node #0,0,1 Current State: 48:[13, 12], Operations: ['66-51=15', '27-15=12'] Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,48 unequal: No Solution Exploring Operation: 13*12=156, Resulting Numbers: [156] 156,48 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,48 unequal: No Solution Moving to Node #0,0,0 Current State: 48:[27, 2], Operations: ['66-51=15', '15-13=2'] Exploring Operation: 27+2=29, Resulting Numbers: [29] 29,48 unequal: No Solution Exploring Operation: 27*2=54, Resulting Numbers: [54] 54,48 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,48 unequal: No Solution Moving to Node #0,0,2 Current State: 48:[15, 14], Operations: ['66-51=15', '27-13=14'] Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 15+14=29, Resulting Numbers: [29] 29,48 unequal: No Solution Exploring Operation: 15*14=210, Resulting Numbers: [210] 210,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[51, 27, 53], Operations: ['66-13=53'] Exploring Operation: 53-27=26, Resulting Numbers: [51, 26] Generated Node #0,2,0: 48:[51, 26] Operation: 53-27=26 Exploring Operation: 51-27=24, Resulting Numbers: [53, 24] Generated Node #0,2,1: 48:[53, 24] Operation: 51-27=24 Exploring Operation: 53-51=2, Resulting Numbers: [27, 2] Generated Node #0,2,2: 48:[27, 2] Operation: 53-51=2 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 48:[27, 2], Operations: ['66-13=53', '53-51=2'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,48 unequal: No Solution Exploring Operation: 27+2=29, Resulting Numbers: [29] 29,48 unequal: No Solution Exploring Operation: 27*2=54, Resulting Numbers: [54] 54,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 48:[51, 26], Operations: ['66-13=53', '53-27=26'] Exploring Operation: 51-26=25, Resulting Numbers: [25] 25,48 unequal: No Solution Exploring Operation: 51+26=77, Resulting Numbers: [77] 77,48 unequal: No Solution Exploring Operation: 51*26=1326, Resulting Numbers: [1326] 1326,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 48:[53, 24], Operations: ['66-13=53', '51-27=24'] Exploring Operation: 53+24=77, Resulting Numbers: [77] 77,48 unequal: No Solution Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,48 unequal: No Solution Exploring Operation: 53*24=1272, Resulting Numbers: [1272] 1272,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[13, 51, 39], Operations: ['66-27=39'] Exploring Operation: 39/13=3, Resulting Numbers: [51, 3] Generated Node #0,1,0: 48:[51, 3] Operation: 39/13=3 Exploring Operation: 39-13=26, Resulting Numbers: [51, 26] Generated Node #0,1,1: 48:[51, 26] Operation: 39-13=26 Exploring Operation: 51-39=12, Resulting Numbers: [13, 12] Generated Node #0,1,2: 48:[13, 12] Operation: 51-39=12 Moving to Node #0,1,2 Current State: 48:[13, 12], Operations: ['66-27=39', '51-39=12'] Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,48 unequal: No Solution Exploring Operation: 13*12=156, Resulting Numbers: [156] 156,48 unequal: No Solution Moving to Node #0,1,0 Current State: 48:[51, 3], Operations: ['66-27=39', '39/13=3'] Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,48 unequal: No Solution Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,48 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[13, 66, 51, 27], Operations: [] Exploring Operation: 66-27=39, Resulting Numbers: [13, 51, 39] Generated Node #0,1: 48:[13, 51, 39] Operation: 66-27=39 Moving to Node #0,1 Current State: 48:[13, 51, 39], Operations: ['66-27=39'] Exploring Operation: 39/13=3, Resulting Numbers: [51, 3] Generated Node #0,1,0: 48:[51, 3] Operation: 39/13=3 Moving to Node #0,1,0 Current State: 48:[51, 3], Operations: ['66-27=39', '39/13=3'] Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_3
sum_heuristic
[ 14, 7, 8, 72 ]
30
[ "14+7=21", "72/8=9", "21+9=30" ]
Current State: 30:[14, 7, 8, 72], Operations: [] Exploring Operation: 14+7=21, Resulting Numbers: [8, 72, 21] Generated Node #2: [8, 72, 21] from Operation: 14+7=21 Current State: 30:[8, 72, 21], Operations: ['14+7=21'] Exploring Operation: 72/8=9, Resulting Numbers: [21, 9] Generated Node #3: [21, 9] from Operation: 72/8=9 Current State: 30:[21, 9], Operations: ['14+7=21', '72/8=9'] Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[14, 7, 8, 72], Operations: [] Exploring Operation: 72-14=58, Resulting Numbers: [7, 8, 58] Generated Node #0,0: 30:[7, 8, 58] Operation: 72-14=58 Exploring Operation: 72/8=9, Resulting Numbers: [14, 7, 9] Generated Node #0,1: 30:[14, 7, 9] Operation: 72/8=9 Moving to Node #0,1 Current State: 30:[14, 7, 9], Operations: ['72/8=9'] Exploring Operation: 14/7=2, Resulting Numbers: [9, 2] Generated Node #0,1,0: 30:[9, 2] Operation: 14/7=2 Exploring Operation: 14-9=5, Resulting Numbers: [7, 5] Generated Node #0,1,1: 30:[7, 5] Operation: 14-9=5 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 30:[9, 2], Operations: ['72/8=9', '14/7=2'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,30 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 30:[7, 5], Operations: ['72/8=9', '14-9=5'] Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,30 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: 30:[7, 8, 58], Operations: ['72-14=58'] Exploring Operation: 58-8=50, Resulting Numbers: [7, 50] Generated Node #0,0,0: 30:[7, 50] Operation: 58-8=50 Exploring Operation: 58-7=51, Resulting Numbers: [8, 51] Generated Node #0,0,1: 30:[8, 51] Operation: 58-7=51 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[7, 50], Operations: ['72-14=58', '58-8=50'] Exploring Operation: 7+50=57, Resulting Numbers: [57] 57,30 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 30:[8, 51], Operations: ['72-14=58', '58-7=51'] Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,30 unequal: No Solution Exploring Operation: 8+51=59, Resulting Numbers: [59] 59,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 2, 47, 15, 52 ]
58
[ "52/2=26", "47-15=32", "26+32=58" ]
Current State: 58:[2, 47, 15, 52], Operations: [] Exploring Operation: 52/2=26, Resulting Numbers: [47, 15, 26] Generated Node #2: [47, 15, 26] from Operation: 52/2=26 Current State: 58:[47, 15, 26], Operations: ['52/2=26'] Exploring Operation: 47-15=32, Resulting Numbers: [26, 32] Generated Node #3: [26, 32] from Operation: 47-15=32 Current State: 58:[26, 32], Operations: ['52/2=26', '47-15=32'] Exploring Operation: 26+32=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[2, 47, 15, 52], Operations: [] Exploring Operation: 47-15=32, Resulting Numbers: [2, 52, 32] Generated Node #0,0: 58:[2, 52, 32] Operation: 47-15=32 Moving to Node #0,0 Current State: 58:[2, 52, 32], Operations: ['47-15=32'] Exploring Operation: 52/2=26, Resulting Numbers: [32, 26] Generated Node #0,0,0: 58:[32, 26] Operation: 52/2=26 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[32, 26], Operations: ['47-15=32', '52/2=26'] Exploring Operation: 32+26=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[2, 47, 15, 52], Operations: [] Exploring Operation: 47-15=32, Resulting Numbers: [2, 52, 32] Generated Node #0,0: 58:[2, 52, 32] Operation: 47-15=32 Moving to Node #0,0 Current State: 58:[2, 52, 32], Operations: ['47-15=32'] Exploring Operation: 52/2=26, Resulting Numbers: [32, 26] Generated Node #0,0,0: 58:[32, 26] Operation: 52/2=26 Moving to Node #0,0,0 Current State: 58:[32, 26], Operations: ['47-15=32', '52/2=26'] Exploring Operation: 32+26=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 1, 57, 18, 9 ]
55
[ "1*57=57", "18/9=2", "57-2=55" ]
Current State: 55:[1, 57, 18, 9], Operations: [] Exploring Operation: 1*57=57, Resulting Numbers: [18, 9, 57] Generated Node #2: [18, 9, 57] from Operation: 1*57=57 Current State: 55:[18, 9, 57], Operations: ['1*57=57'] Exploring Operation: 18/9=2, Resulting Numbers: [57, 2] Generated Node #3: [57, 2] from Operation: 18/9=2 Current State: 55:[57, 2], Operations: ['1*57=57', '18/9=2'] Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[1, 57, 18, 9], Operations: [] Exploring Operation: 18/9=2, Resulting Numbers: [1, 57, 2] Generated Node #0,0: 55:[1, 57, 2] Operation: 18/9=2 Exploring Operation: 57-1=56, Resulting Numbers: [18, 9, 56] Generated Node #0,1: 55:[18, 9, 56] Operation: 57-1=56 Exploring Operation: 18-1=17, Resulting Numbers: [57, 9, 17] Generated Node #0,2: 55:[57, 9, 17] Operation: 18-1=17 Exploring Operation: 18-9=9, Resulting Numbers: [1, 57, 9] Generated Node #0,3: 55:[1, 57, 9] Operation: 18-9=9 Moving to Node #0,3 Current State: 55:[1, 57, 9], Operations: ['18-9=9'] Exploring Operation: 57-1=56, Resulting Numbers: [9, 56] Generated Node #0,3,0: 55:[9, 56] Operation: 57-1=56 Exploring Operation: 1+9=10, Resulting Numbers: [57, 10] Generated Node #0,3,1: 55:[57, 10] Operation: 1+9=10 Exploring Operation: 1*57=57, Resulting Numbers: [9, 57] Generated Node #0,3,2: 55:[9, 57] Operation: 1*57=57 Exploring Operation: 57/1=57, Resulting Numbers: [9, 57] Generated Node #0,3,3: 55:[9, 57] Operation: 57/1=57 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 55:[9, 56], Operations: ['18-9=9', '57-1=56'] Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,55 unequal: No Solution Exploring Operation: 9+56=65, Resulting Numbers: [65] 65,55 unequal: No Solution Exploring Operation: 9*56=504, Resulting Numbers: [504] 504,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 55:[57, 10], Operations: ['18-9=9', '1+9=10'] Exploring Operation: 57*10=570, Resulting Numbers: [570] 570,55 unequal: No Solution Exploring Operation: 57-10=47, Resulting Numbers: [47] 47,55 unequal: No Solution Exploring Operation: 57+10=67, Resulting Numbers: [67] 67,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 55:[9, 57], Operations: ['18-9=9', '1*57=57'] Exploring Operation: 9*57=513, Resulting Numbers: [513] 513,55 unequal: No Solution Exploring Operation: 57-9=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 9+57=66, Resulting Numbers: [66] 66,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 55:[9, 57], Operations: ['18-9=9', '57/1=57'] Exploring Operation: 9*57=513, Resulting Numbers: [513] 513,55 unequal: No Solution Exploring Operation: 57-9=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 9+57=66, Resulting Numbers: [66] 66,55 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: 55:[1, 57, 2], Operations: ['18/9=2'] Exploring Operation: 57-1=56, Resulting Numbers: [2, 56] Generated Node #0,0,0: 55:[2, 56] Operation: 57-1=56 Exploring Operation: 57-2=55, Resulting Numbers: [1, 55] Generated Node #0,0,1: 55:[1, 55] Operation: 57-2=55 Exploring Operation: 1+2=3, Resulting Numbers: [57, 3] Generated Node #0,0,2: 55:[57, 3] Operation: 1+2=3 Exploring Operation: 1*57=57, Resulting Numbers: [2, 57] Generated Node #0,0,3: 55:[2, 57] Operation: 1*57=57 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 55:[2, 56], Operations: ['18/9=2', '57-1=56'] Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,55 unequal: No Solution Exploring Operation: 2*56=112, Resulting Numbers: [112] 112,55 unequal: No Solution Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,55 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 55:[1, 55], Operations: ['18/9=2', '57-2=55'] Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[1, 57, 18, 9], Operations: [] Exploring Operation: 18/9=2, Resulting Numbers: [1, 57, 2] Generated Node #0,0: 55:[1, 57, 2] Operation: 18/9=2 Moving to Node #0,0 Current State: 55:[1, 57, 2], Operations: ['18/9=2'] Exploring Operation: 57-2=55, Resulting Numbers: [1, 55] Generated Node #0,0,1: 55:[1, 55] Operation: 57-2=55 Moving to Node #0,0,1 Current State: 55:[1, 55], Operations: ['18/9=2', '57-2=55'] Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_4
mult_heuristic
[ 85, 12, 29, 35 ]
39
[ "85+35=120", "120/12=10", "29+10=39" ]
Current State: 39:[85, 12, 29, 35], Operations: [] Exploring Operation: 85+35=120, Resulting Numbers: [12, 29, 120] Generated Node #2: [12, 29, 120] from Operation: 85+35=120 Current State: 39:[12, 29, 120], Operations: ['85+35=120'] Exploring Operation: 120/12=10, Resulting Numbers: [29, 10] Generated Node #3: [29, 10] from Operation: 120/12=10 Current State: 39:[29, 10], Operations: ['85+35=120', '120/12=10'] Exploring Operation: 29+10=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[85, 12, 29, 35], Operations: [] Exploring Operation: 35-29=6, Resulting Numbers: [85, 12, 6] Generated Node #0,0: 39:[85, 12, 6] Operation: 35-29=6 Exploring Operation: 85-35=50, Resulting Numbers: [12, 29, 50] Generated Node #0,1: 39:[12, 29, 50] Operation: 85-35=50 Exploring Operation: 85-12=73, Resulting Numbers: [29, 35, 73] Generated Node #0,2: 39:[29, 35, 73] Operation: 85-12=73 Exploring Operation: 12+29=41, Resulting Numbers: [85, 35, 41] Generated Node #0,3: 39:[85, 35, 41] Operation: 12+29=41 Exploring Operation: 85-29=56, Resulting Numbers: [12, 35, 56] Generated Node #0,4: 39:[12, 35, 56] Operation: 85-29=56 Moving to Node #0,1 Current State: 39:[12, 29, 50], Operations: ['85-35=50'] Exploring Operation: 50-12=38, Resulting Numbers: [29, 38] Generated Node #0,1,0: 39:[29, 38] Operation: 50-12=38 Exploring Operation: 29-12=17, Resulting Numbers: [50, 17] Generated Node #0,1,1: 39:[50, 17] Operation: 29-12=17 Exploring Operation: 50-29=21, Resulting Numbers: [12, 21] Generated Node #0,1,2: 39:[12, 21] Operation: 50-29=21 Exploring Operation: 12+29=41, Resulting Numbers: [50, 41] Generated Node #0,1,3: 39:[50, 41] Operation: 12+29=41 Exploring Operation: 12+50=62, Resulting Numbers: [29, 62] Generated Node #0,1,4: 39:[29, 62] Operation: 12+50=62 Moving to Node #0,4 Current State: 39:[12, 35, 56], Operations: ['85-29=56'] Exploring Operation: 12+35=47, Resulting Numbers: [56, 47] Generated Node #0,4,0: 39:[56, 47] Operation: 12+35=47 Exploring Operation: 56-35=21, Resulting Numbers: [12, 21] Generated Node #0,4,1: 39:[12, 21] Operation: 56-35=21 Exploring Operation: 35-12=23, Resulting Numbers: [56, 23] Generated Node #0,4,2: 39:[56, 23] Operation: 35-12=23 Exploring Operation: 56-12=44, Resulting Numbers: [35, 44] Generated Node #0,4,3: 39:[35, 44] Operation: 56-12=44 Exploring Operation: 12+56=68, Resulting Numbers: [35, 68] Generated Node #0,4,4: 39:[35, 68] Operation: 12+56=68 Moving to Node #0,2 Current State: 39:[29, 35, 73], Operations: ['85-12=73'] Exploring Operation: 73-35=38, Resulting Numbers: [29, 38] Generated Node #0,2,0: 39:[29, 38] Operation: 73-35=38 Exploring Operation: 29+35=64, Resulting Numbers: [73, 64] Generated Node #0,2,1: 39:[73, 64] Operation: 29+35=64 Exploring Operation: 29+73=102, Resulting Numbers: [35, 102] Generated Node #0,2,2: 39:[35, 102] Operation: 29+73=102 Exploring Operation: 73-29=44, Resulting Numbers: [35, 44] Generated Node #0,2,3: 39:[35, 44] Operation: 73-29=44 Exploring Operation: 35-29=6, Resulting Numbers: [73, 6] Generated Node #0,2,4: 39:[73, 6] Operation: 35-29=6 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 39:[35, 44], Operations: ['85-12=73', '73-29=44'] Exploring Operation: 44-35=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 35*44=1540, Resulting Numbers: [1540] 1540,39 unequal: No Solution Exploring Operation: 35+44=79, Resulting Numbers: [79] 79,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 39:[29, 38], Operations: ['85-12=73', '73-35=38'] Exploring Operation: 29+38=67, Resulting Numbers: [67] 67,39 unequal: No Solution Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 29*38=1102, Resulting Numbers: [1102] 1102,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 39:[73, 6], Operations: ['85-12=73', '35-29=6'] Exploring Operation: 73+6=79, Resulting Numbers: [79] 79,39 unequal: No Solution Exploring Operation: 73*6=438, Resulting Numbers: [438] 438,39 unequal: No Solution Exploring Operation: 73-6=67, Resulting Numbers: [67] 67,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 39:[73, 64], Operations: ['85-12=73', '29+35=64'] Exploring Operation: 73-64=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 73+64=137, Resulting Numbers: [137] 137,39 unequal: No Solution Exploring Operation: 73*64=4672, Resulting Numbers: [4672] 4672,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 39:[35, 102], Operations: ['85-12=73', '29+73=102'] Exploring Operation: 35+102=137, Resulting Numbers: [137] 137,39 unequal: No Solution Exploring Operation: 102-35=67, Resulting Numbers: [67] 67,39 unequal: No Solution Exploring Operation: 35*102=3570, Resulting Numbers: [3570] 3570,39 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: 39:[85, 12, 6], Operations: ['35-29=6'] Exploring Operation: 85-6=79, Resulting Numbers: [12, 79] Generated Node #0,0,0: 39:[12, 79] Operation: 85-6=79 Exploring Operation: 12-6=6, Resulting Numbers: [85, 6] Generated Node #0,0,1: 39:[85, 6] Operation: 12-6=6 Exploring Operation: 12+6=18, Resulting Numbers: [85, 18] Generated Node #0,0,2: 39:[85, 18] Operation: 12+6=18 Exploring Operation: 85-12=73, Resulting Numbers: [6, 73] Generated Node #0,0,3: 39:[6, 73] Operation: 85-12=73 Exploring Operation: 12/6=2, Resulting Numbers: [85, 2] Generated Node #0,0,4: 39:[85, 2] Operation: 12/6=2 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 39:[6, 73], Operations: ['35-29=6', '85-12=73'] Exploring Operation: 6*73=438, Resulting Numbers: [438] 438,39 unequal: No Solution Exploring Operation: 73-6=67, Resulting Numbers: [67] 67,39 unequal: No Solution Exploring Operation: 6+73=79, Resulting Numbers: [79] 79,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[12, 79], Operations: ['35-29=6', '85-6=79'] Exploring Operation: 79-12=67, Resulting Numbers: [67] 67,39 unequal: No Solution Exploring Operation: 12*79=948, Resulting Numbers: [948] 948,39 unequal: No Solution Exploring Operation: 12+79=91, Resulting Numbers: [91] 91,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 39:[85, 2], Operations: ['35-29=6', '12/6=2'] Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,39 unequal: No Solution Exploring Operation: 85+2=87, Resulting Numbers: [87] 87,39 unequal: No Solution Exploring Operation: 85*2=170, Resulting Numbers: [170] 170,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 39:[85, 6], Operations: ['35-29=6', '12-6=6'] Exploring Operation: 85+6=91, Resulting Numbers: [91] 91,39 unequal: No Solution Exploring Operation: 85*6=510, Resulting Numbers: [510] 510,39 unequal: No Solution Exploring Operation: 85-6=79, Resulting Numbers: [79] 79,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 39:[85, 18], Operations: ['35-29=6', '12+6=18'] Exploring Operation: 85-18=67, Resulting Numbers: [67] 67,39 unequal: No Solution Exploring Operation: 85*18=1530, Resulting Numbers: [1530] 1530,39 unequal: No Solution Exploring Operation: 85+18=103, Resulting Numbers: [103] 103,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 39:[85, 35, 41], Operations: ['12+29=41'] Exploring Operation: 35+41=76, Resulting Numbers: [85, 76] Generated Node #0,3,0: 39:[85, 76] Operation: 35+41=76 Exploring Operation: 85-35=50, Resulting Numbers: [41, 50] Generated Node #0,3,1: 39:[41, 50] Operation: 85-35=50 Exploring Operation: 85+35=120, Resulting Numbers: [41, 120] Generated Node #0,3,2: 39:[41, 120] Operation: 85+35=120 Exploring Operation: 85-41=44, Resulting Numbers: [35, 44] Generated Node #0,3,3: 39:[35, 44] Operation: 85-41=44 Exploring Operation: 41-35=6, Resulting Numbers: [85, 6] Generated Node #0,3,4: 39:[85, 6] Operation: 41-35=6 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 39:[35, 44], Operations: ['12+29=41', '85-41=44'] Exploring Operation: 35+44=79, Resulting Numbers: [79] 79,39 unequal: No Solution Exploring Operation: 35*44=1540, Resulting Numbers: [1540] 1540,39 unequal: No Solution Exploring Operation: 44-35=9, Resulting Numbers: [9] 9,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 39:[41, 50], Operations: ['12+29=41', '85-35=50'] Exploring Operation: 50-41=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 41*50=2050, Resulting Numbers: [2050] 2050,39 unequal: No Solution Exploring Operation: 41+50=91, Resulting Numbers: [91] 91,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 39:[85, 6], Operations: ['12+29=41', '41-35=6'] Exploring Operation: 85-6=79, Resulting Numbers: [79] 79,39 unequal: No Solution Exploring Operation: 85+6=91, Resulting Numbers: [91] 91,39 unequal: No Solution Exploring Operation: 85*6=510, Resulting Numbers: [510] 510,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 39:[85, 76], Operations: ['12+29=41', '35+41=76'] Exploring Operation: 85-76=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 85+76=161, Resulting Numbers: [161] 161,39 unequal: No Solution Exploring Operation: 85*76=6460, Resulting Numbers: [6460] 6460,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 39:[41, 120], Operations: ['12+29=41', '85+35=120'] Exploring Operation: 41+120=161, Resulting Numbers: [161] 161,39 unequal: No Solution Exploring Operation: 120-41=79, Resulting Numbers: [79] 79,39 unequal: No Solution Exploring Operation: 41*120=4920, Resulting Numbers: [4920] 4920,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 39:[12, 21], Operations: ['85-35=50', '50-29=21'] Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,39 unequal: No Solution Exploring Operation: 12*21=252, Resulting Numbers: [252] 252,39 unequal: No Solution Moving to Node #0,4,1 Current State: 39:[12, 21], Operations: ['85-29=56', '56-35=21'] Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,39 unequal: No Solution Exploring Operation: 12*21=252, Resulting Numbers: [252] 252,39 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,39 unequal: No Solution Moving to Node #0,4,3 Current State: 39:[35, 44], Operations: ['85-29=56', '56-12=44'] Exploring Operation: 35+44=79, Resulting Numbers: [79] 79,39 unequal: No Solution Exploring Operation: 44-35=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 35*44=1540, Resulting Numbers: [1540] 1540,39 unequal: No Solution Moving to Node #0,1,0 Current State: 39:[29, 38], Operations: ['85-35=50', '50-12=38'] Exploring Operation: 29+38=67, Resulting Numbers: [67] 67,39 unequal: No Solution Exploring Operation: 29*38=1102, Resulting Numbers: [1102] 1102,39 unequal: No Solution Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,39 unequal: No Solution Moving to Node #0,1,3 Current State: 39:[50, 41], Operations: ['85-35=50', '12+29=41'] Exploring Operation: 50-41=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 50+41=91, Resulting Numbers: [91] 91,39 unequal: No Solution Exploring Operation: 50*41=2050, Resulting Numbers: [2050] 2050,39 unequal: No Solution Moving to Node #0,1,1 Current State: 39:[50, 17], Operations: ['85-35=50', '29-12=17'] Exploring Operation: 50-17=33, Resulting Numbers: [33] 33,39 unequal: No Solution Exploring Operation: 50*17=850, Resulting Numbers: [850] 850,39 unequal: No Solution Exploring Operation: 50+17=67, Resulting Numbers: [67] 67,39 unequal: No Solution Moving to Node #0,4,0 Current State: 39:[56, 47], Operations: ['85-29=56', '12+35=47'] Exploring Operation: 56*47=2632, Resulting Numbers: [2632] 2632,39 unequal: No Solution Exploring Operation: 56+47=103, Resulting Numbers: [103] 103,39 unequal: No Solution Exploring Operation: 56-47=9, Resulting Numbers: [9] 9,39 unequal: No Solution Moving to Node #0,4,2 Current State: 39:[56, 23], Operations: ['85-29=56', '35-12=23'] Exploring Operation: 56-23=33, Resulting Numbers: [33] 33,39 unequal: No Solution Exploring Operation: 56*23=1288, Resulting Numbers: [1288] 1288,39 unequal: No Solution Exploring Operation: 56+23=79, Resulting Numbers: [79] 79,39 unequal: No Solution Moving to Node #0,4,4 Current State: 39:[35, 68], Operations: ['85-29=56', '12+56=68'] Exploring Operation: 35+68=103, Resulting Numbers: [103] 103,39 unequal: No Solution Exploring Operation: 68-35=33, Resulting Numbers: [33] 33,39 unequal: No Solution Exploring Operation: 35*68=2380, Resulting Numbers: [2380] 2380,39 unequal: No Solution Moving to Node #0,1,4 Current State: 39:[29, 62], Operations: ['85-35=50', '12+50=62'] Exploring Operation: 29*62=1798, Resulting Numbers: [1798] 1798,39 unequal: No Solution Exploring Operation: 62-29=33, Resulting Numbers: [33] 33,39 unequal: No Solution Exploring Operation: 29+62=91, Resulting Numbers: [91] 91,39 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 45, 98, 12, 2 ]
20
[ "45*2=90", "98+12=110", "110-90=20" ]
Current State: 20:[45, 98, 12, 2], Operations: [] Exploring Operation: 45*2=90, Resulting Numbers: [98, 12, 90] Generated Node #2: [98, 12, 90] from Operation: 45*2=90 Current State: 20:[98, 12, 90], Operations: ['45*2=90'] Exploring Operation: 98+12=110, Resulting Numbers: [90, 110] Generated Node #3: [90, 110] from Operation: 98+12=110 Current State: 20:[90, 110], Operations: ['45*2=90', '98+12=110'] Exploring Operation: 110-90=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[45, 98, 12, 2], Operations: [] Exploring Operation: 98/2=49, Resulting Numbers: [45, 12, 49] Generated Node #0,0: 20:[45, 12, 49] Operation: 98/2=49 Exploring Operation: 98-12=86, Resulting Numbers: [45, 2, 86] Generated Node #0,1: 20:[45, 2, 86] Operation: 98-12=86 Exploring Operation: 45-12=33, Resulting Numbers: [98, 2, 33] Generated Node #0,2: 20:[98, 2, 33] Operation: 45-12=33 Exploring Operation: 98-45=53, Resulting Numbers: [12, 2, 53] Generated Node #0,3: 20:[12, 2, 53] Operation: 98-45=53 Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[12, 2, 53], Operations: ['98-45=53'] Exploring Operation: 53-12=41, Resulting Numbers: [2, 41] Generated Node #0,3,0: 20:[2, 41] Operation: 53-12=41 Exploring Operation: 53-2=51, Resulting Numbers: [12, 51] Generated Node #0,3,1: 20:[12, 51] Operation: 53-2=51 Exploring Operation: 12/2=6, Resulting Numbers: [53, 6] Generated Node #0,3,2: 20:[53, 6] Operation: 12/2=6 Exploring Operation: 12-2=10, Resulting Numbers: [53, 10] Generated Node #0,3,3: 20:[53, 10] Operation: 12-2=10 Moving to Node #0,3,0 Current State: 20:[2, 41], Operations: ['98-45=53', '53-12=41'] Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,20 unequal: No Solution Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,20 unequal: No Solution Moving to Node #0,3,3 Current State: 20:[53, 10], Operations: ['98-45=53', '12-2=10'] Exploring Operation: 53*10=530, Resulting Numbers: [530] 530,20 unequal: No Solution Exploring Operation: 53+10=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,20 unequal: No Solution Moving to Node #0,3,1 Current State: 20:[12, 51], Operations: ['98-45=53', '53-2=51'] Exploring Operation: 12+51=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 12*51=612, Resulting Numbers: [612] 612,20 unequal: No Solution Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,20 unequal: No Solution Moving to Node #0,3,2 Current State: 20:[53, 6], Operations: ['98-45=53', '12/2=6'] Exploring Operation: 53*6=318, Resulting Numbers: [318] 318,20 unequal: No Solution Exploring Operation: 53-6=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 53+6=59, Resulting Numbers: [59] 59,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[45, 12, 49], Operations: ['98/2=49'] Exploring Operation: 45+12=57, Resulting Numbers: [49, 57] Generated Node #0,0,0: 20:[49, 57] Operation: 45+12=57 Exploring Operation: 49-12=37, Resulting Numbers: [45, 37] Generated Node #0,0,1: 20:[45, 37] Operation: 49-12=37 Exploring Operation: 49-45=4, Resulting Numbers: [12, 4] Generated Node #0,0,2: 20:[12, 4] Operation: 49-45=4 Exploring Operation: 45-12=33, Resulting Numbers: [49, 33] Generated Node #0,0,3: 20:[49, 33] Operation: 45-12=33 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 20:[12, 4], Operations: ['98/2=49', '49-45=4'] Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,20 unequal: No Solution Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,20 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[45, 37], Operations: ['98/2=49', '49-12=37'] Exploring Operation: 45-37=8, Resulting Numbers: [8] 8,20 unequal: No Solution Exploring Operation: 45+37=82, Resulting Numbers: [82] 82,20 unequal: No Solution Exploring Operation: 45*37=1665, Resulting Numbers: [1665] 1665,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 20:[49, 33], Operations: ['98/2=49', '45-12=33'] Exploring Operation: 49*33=1617, Resulting Numbers: [1617] 1617,20 unequal: No Solution Exploring Operation: 49+33=82, Resulting Numbers: [82] 82,20 unequal: No Solution Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[49, 57], Operations: ['98/2=49', '45+12=57'] Exploring Operation: 57-49=8, Resulting Numbers: [8] 8,20 unequal: No Solution Exploring Operation: 49+57=106, Resulting Numbers: [106] 106,20 unequal: No Solution Exploring Operation: 49*57=2793, Resulting Numbers: [2793] 2793,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[45, 2, 86], Operations: ['98-12=86'] Exploring Operation: 86-2=84, Resulting Numbers: [45, 84] Generated Node #0,1,0: 20:[45, 84] Operation: 86-2=84 Exploring Operation: 86-45=41, Resulting Numbers: [2, 41] Generated Node #0,1,1: 20:[2, 41] Operation: 86-45=41 Exploring Operation: 45-2=43, Resulting Numbers: [86, 43] Generated Node #0,1,2: 20:[86, 43] Operation: 45-2=43 Exploring Operation: 86/2=43, Resulting Numbers: [45, 43] Generated Node #0,1,3: 20:[45, 43] Operation: 86/2=43 Moving to Node #0,1,1 Current State: 20:[2, 41], Operations: ['98-12=86', '86-45=41'] Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,20 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,20 unequal: No Solution Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,20 unequal: No Solution Moving to Node #0,1,3 Current State: 20:[45, 43], Operations: ['98-12=86', '86/2=43'] Exploring Operation: 45*43=1935, Resulting Numbers: [1935] 1935,20 unequal: No Solution Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 45+43=88, Resulting Numbers: [88] 88,20 unequal: No Solution Moving to Node #0,1,2 Current State: 20:[86, 43], Operations: ['98-12=86', '45-2=43'] Exploring Operation: 86*43=3698, Resulting Numbers: [3698] 3698,20 unequal: No Solution Exploring Operation: 86+43=129, Resulting Numbers: [129] 129,20 unequal: No Solution Exploring Operation: 86-43=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 86/43=2, Resulting Numbers: [2] 2,20 unequal: No Solution Moving to Node #0,1,0 Current State: 20:[45, 84], Operations: ['98-12=86', '86-2=84'] Exploring Operation: 45+84=129, Resulting Numbers: [129] 129,20 unequal: No Solution Exploring Operation: 45*84=3780, Resulting Numbers: [3780] 3780,20 unequal: No Solution Exploring Operation: 84-45=39, Resulting Numbers: [39] 39,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[98, 2, 33], Operations: ['45-12=33'] Exploring Operation: 98-2=96, Resulting Numbers: [33, 96] Generated Node #0,2,0: 20:[33, 96] Operation: 98-2=96 Exploring Operation: 98/2=49, Resulting Numbers: [33, 49] Generated Node #0,2,1: 20:[33, 49] Operation: 98/2=49 Exploring Operation: 33-2=31, Resulting Numbers: [98, 31] Generated Node #0,2,2: 20:[98, 31] Operation: 33-2=31 Exploring Operation: 98-33=65, Resulting Numbers: [2, 65] Generated Node #0,2,3: 20:[2, 65] Operation: 98-33=65 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 20:[33, 49], Operations: ['45-12=33', '98/2=49'] Exploring Operation: 33*49=1617, Resulting Numbers: [1617] 1617,20 unequal: No Solution Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,20 unequal: No Solution Exploring Operation: 33+49=82, Resulting Numbers: [82] 82,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 20:[2, 65], Operations: ['45-12=33', '98-33=65'] Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 2+65=67, Resulting Numbers: [67] 67,20 unequal: No Solution Exploring Operation: 2*65=130, Resulting Numbers: [130] 130,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 20:[33, 96], Operations: ['45-12=33', '98-2=96'] Exploring Operation: 33*96=3168, Resulting Numbers: [3168] 3168,20 unequal: No Solution Exploring Operation: 33+96=129, Resulting Numbers: [129] 129,20 unequal: No Solution Exploring Operation: 96-33=63, Resulting Numbers: [63] 63,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 20:[98, 31], Operations: ['45-12=33', '33-2=31'] Exploring Operation: 98*31=3038, Resulting Numbers: [3038] 3038,20 unequal: No Solution Exploring Operation: 98+31=129, Resulting Numbers: [129] 129,20 unequal: No Solution Exploring Operation: 98-31=67, Resulting Numbers: [67] 67,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 62, 28, 12, 33 ]
11
[ "62-28=34", "12+33=45", "45-34=11" ]
Current State: 11:[62, 28, 12, 33], Operations: [] Exploring Operation: 62-28=34, Resulting Numbers: [12, 33, 34] Generated Node #2: [12, 33, 34] from Operation: 62-28=34 Current State: 11:[12, 33, 34], Operations: ['62-28=34'] Exploring Operation: 12+33=45, Resulting Numbers: [34, 45] Generated Node #3: [34, 45] from Operation: 12+33=45 Current State: 11:[34, 45], Operations: ['62-28=34', '12+33=45'] Exploring Operation: 45-34=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[62, 28, 12, 33], Operations: [] Exploring Operation: 62-28=34, Resulting Numbers: [12, 33, 34] Generated Node #0,0: 11:[12, 33, 34] Operation: 62-28=34 Exploring Operation: 62-33=29, Resulting Numbers: [28, 12, 29] Generated Node #0,1: 11:[28, 12, 29] Operation: 62-33=29 Exploring Operation: 33-28=5, Resulting Numbers: [62, 12, 5] Generated Node #0,2: 11:[62, 12, 5] Operation: 33-28=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[28, 12, 29], Operations: ['62-33=29'] Exploring Operation: 29-12=17, Resulting Numbers: [28, 17] Generated Node #0,1,0: 11:[28, 17] Operation: 29-12=17 Exploring Operation: 28-12=16, Resulting Numbers: [29, 16] Generated Node #0,1,1: 11:[29, 16] Operation: 28-12=16 Exploring Operation: 29-28=1, Resulting Numbers: [12, 1] Generated Node #0,1,2: 11:[12, 1] Operation: 29-28=1 Moving to Node #0,1,2 Current State: 11:[12, 1], Operations: ['62-33=29', '29-28=1'] Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,11 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[62, 28, 12, 33], Operations: [] Exploring Operation: 62-33=29, Resulting Numbers: [28, 12, 29] Generated Node #0,1: 11:[28, 12, 29] Operation: 62-33=29 Moving to Node #0,1 Current State: 11:[28, 12, 29], Operations: ['62-33=29'] Exploring Operation: 29-28=1, Resulting Numbers: [12, 1] Generated Node #0,1,2: 11:[12, 1] Operation: 29-28=1 Moving to Node #0,1,2 Current State: 11:[12, 1], Operations: ['62-33=29', '29-28=1'] Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 89, 95, 93, 14 ]
85
[ "95-89=6", "93-14=79", "6+79=85" ]
Current State: 85:[89, 95, 93, 14], Operations: [] Exploring Operation: 95-89=6, Resulting Numbers: [93, 14, 6] Generated Node #2: [93, 14, 6] from Operation: 95-89=6 Current State: 85:[93, 14, 6], Operations: ['95-89=6'] Exploring Operation: 93-14=79, Resulting Numbers: [6, 79] Generated Node #3: [6, 79] from Operation: 93-14=79 Current State: 85:[6, 79], Operations: ['95-89=6', '93-14=79'] Exploring Operation: 6+79=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[89, 95, 93, 14], Operations: [] Exploring Operation: 95-93=2, Resulting Numbers: [89, 14, 2] Generated Node #0,0: 85:[89, 14, 2] Operation: 95-93=2 Exploring Operation: 95-89=6, Resulting Numbers: [93, 14, 6] Generated Node #0,1: 85:[93, 14, 6] Operation: 95-89=6 Moving to Node #0,0 Current State: 85:[89, 14, 2], Operations: ['95-93=2'] Exploring Operation: 89-2=87, Resulting Numbers: [14, 87] Generated Node #0,0,0: 85:[14, 87] Operation: 89-2=87 Exploring Operation: 14+2=16, Resulting Numbers: [89, 16] Generated Node #0,0,1: 85:[89, 16] Operation: 14+2=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 85:[14, 87], Operations: ['95-93=2', '89-2=87'] Exploring Operation: 87-14=73, Resulting Numbers: [73] 73,85 unequal: No Solution Exploring Operation: 14+87=101, Resulting Numbers: [101] 101,85 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 #0,0,1 Current State: 85:[89, 16], Operations: ['95-93=2', '14+2=16'] Exploring Operation: 89+16=105, Resulting Numbers: [105] 105,85 unequal: No Solution Exploring Operation: 89-16=73, Resulting Numbers: [73] 73,85 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: 85:[93, 14, 6], Operations: ['95-89=6'] Exploring Operation: 93-6=87, Resulting Numbers: [14, 87] Generated Node #0,1,0: 85:[14, 87] Operation: 93-6=87 Exploring Operation: 93-14=79, Resulting Numbers: [6, 79] Generated Node #0,1,1: 85:[6, 79] Operation: 93-14=79 Moving to Node #0,1,0 Current State: 85:[14, 87], Operations: ['95-89=6', '93-6=87'] Exploring Operation: 14+87=101, Resulting Numbers: [101] 101,85 unequal: No Solution Exploring Operation: 87-14=73, Resulting Numbers: [73] 73,85 unequal: No Solution Moving to Node #0,1,1 Current State: 85:[6, 79], Operations: ['95-89=6', '93-14=79'] Exploring Operation: 6+79=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[89, 95, 93, 14], Operations: [] Exploring Operation: 95-89=6, Resulting Numbers: [93, 14, 6] Generated Node #0,1: 85:[93, 14, 6] Operation: 95-89=6 Moving to Node #0,1 Current State: 85:[93, 14, 6], Operations: ['95-89=6'] Exploring Operation: 93-14=79, Resulting Numbers: [6, 79] Generated Node #0,1,1: 85:[6, 79] Operation: 93-14=79 Moving to Node #0,1,1 Current State: 85:[6, 79], Operations: ['95-89=6', '93-14=79'] Exploring Operation: 6+79=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
0.985243
hs_2
mult_heuristic
[ 64, 51, 29, 8 ]
24
[ "64-51=13", "29+8=37", "37-13=24" ]
Current State: 24:[64, 51, 29, 8], Operations: [] Exploring Operation: 64-51=13, Resulting Numbers: [29, 8, 13] Generated Node #2: [29, 8, 13] from Operation: 64-51=13 Current State: 24:[29, 8, 13], Operations: ['64-51=13'] Exploring Operation: 29+8=37, Resulting Numbers: [13, 37] Generated Node #3: [13, 37] from Operation: 29+8=37 Current State: 24:[13, 37], Operations: ['64-51=13', '29+8=37'] Exploring Operation: 37-13=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[64, 51, 29, 8], Operations: [] Exploring Operation: 64-51=13, Resulting Numbers: [29, 8, 13] Generated Node #0,0: 24:[29, 8, 13] Operation: 64-51=13 Exploring Operation: 64-8=56, Resulting Numbers: [51, 29, 56] Generated Node #0,1: 24:[51, 29, 56] Operation: 64-8=56 Exploring Operation: 64/8=8, Resulting Numbers: [51, 29, 8] Generated Node #0,2: 24:[51, 29, 8] Operation: 64/8=8 Exploring Operation: 64-29=35, Resulting Numbers: [51, 8, 35] Generated Node #0,3: 24:[51, 8, 35] Operation: 64-29=35 Exploring Operation: 51-29=22, Resulting Numbers: [64, 8, 22] Generated Node #0,4: 24:[64, 8, 22] Operation: 51-29=22 Moving to Node #0,0 Current State: 24:[29, 8, 13], Operations: ['64-51=13'] Exploring Operation: 29-8=21, Resulting Numbers: [13, 21] Generated Node #0,0,0: 24:[13, 21] Operation: 29-8=21 Exploring Operation: 29-13=16, Resulting Numbers: [8, 16] Generated Node #0,0,1: 24:[8, 16] Operation: 29-13=16 Exploring Operation: 13-8=5, Resulting Numbers: [29, 5] Generated Node #0,0,2: 24:[29, 5] Operation: 13-8=5 Exploring Operation: 29+8=37, Resulting Numbers: [13, 37] Generated Node #0,0,3: 24:[13, 37] Operation: 29+8=37 Exploring Operation: 8+13=21, Resulting Numbers: [29, 21] Generated Node #0,0,4: 24:[29, 21] Operation: 8+13=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[13, 21], Operations: ['64-51=13', '29-8=21'] Exploring Operation: 13*21=273, Resulting Numbers: [273] 273,24 unequal: No Solution Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,24 unequal: No Solution Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[8, 16], Operations: ['64-51=13', '29-13=16'] Exploring Operation: 8*16=128, Resulting Numbers: [128] 128,24 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,24 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 8+16=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[64, 51, 29, 8], Operations: [] Exploring Operation: 64-51=13, Resulting Numbers: [29, 8, 13] Generated Node #0,0: 24:[29, 8, 13] Operation: 64-51=13 Moving to Node #0,0 Current State: 24:[29, 8, 13], Operations: ['64-51=13'] Exploring Operation: 29-13=16, Resulting Numbers: [8, 16] Generated Node #0,0,1: 24:[8, 16] Operation: 29-13=16 Moving to Node #0,0,1 Current State: 24:[8, 16], Operations: ['64-51=13', '29-13=16'] Exploring Operation: 8+16=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 11, 29, 67, 30 ]
19
[ "29-11=18", "67-30=37", "37-18=19" ]
Current State: 19:[11, 29, 67, 30], Operations: [] Exploring Operation: 29-11=18, Resulting Numbers: [67, 30, 18] Generated Node #2: [67, 30, 18] from Operation: 29-11=18 Current State: 19:[67, 30, 18], Operations: ['29-11=18'] Exploring Operation: 67-30=37, Resulting Numbers: [18, 37] Generated Node #3: [18, 37] from Operation: 67-30=37 Current State: 19:[18, 37], Operations: ['29-11=18', '67-30=37'] Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[11, 29, 67, 30], Operations: [] Exploring Operation: 67-11=56, Resulting Numbers: [29, 30, 56] Generated Node #0,0: 19:[29, 30, 56] Operation: 67-11=56 Exploring Operation: 67-30=37, Resulting Numbers: [11, 29, 37] Generated Node #0,1: 19:[11, 29, 37] Operation: 67-30=37 Exploring Operation: 67-29=38, Resulting Numbers: [11, 30, 38] Generated Node #0,2: 19:[11, 30, 38] Operation: 67-29=38 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[11, 29, 37], Operations: ['67-30=37'] Exploring Operation: 29-11=18, Resulting Numbers: [37, 18] Generated Node #0,1,0: 19:[37, 18] Operation: 29-11=18 Exploring Operation: 37-29=8, Resulting Numbers: [11, 8] Generated Node #0,1,1: 19:[11, 8] Operation: 37-29=8 Exploring Operation: 37-11=26, Resulting Numbers: [29, 26] Generated Node #0,1,2: 19:[29, 26] Operation: 37-11=26 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 19:[29, 26], Operations: ['67-30=37', '37-11=26'] Exploring Operation: 29+26=55, Resulting Numbers: [55] 55,19 unequal: No Solution Exploring Operation: 29*26=754, Resulting Numbers: [754] 754,19 unequal: No Solution Exploring Operation: 29-26=3, Resulting Numbers: [3] 3,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 19:[37, 18], Operations: ['67-30=37', '29-11=18'] Exploring Operation: 37+18=55, Resulting Numbers: [55] 55,19 unequal: No Solution Exploring Operation: 37*18=666, Resulting Numbers: [666] 666,19 unequal: No Solution Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[11, 29, 67, 30], Operations: [] Exploring Operation: 67-30=37, Resulting Numbers: [11, 29, 37] Generated Node #0,1: 19:[11, 29, 37] Operation: 67-30=37 Moving to Node #0,1 Current State: 19:[11, 29, 37], Operations: ['67-30=37'] Exploring Operation: 29-11=18, Resulting Numbers: [37, 18] Generated Node #0,1,0: 19:[37, 18] Operation: 29-11=18 Moving to Node #0,1,0 Current State: 19:[37, 18], Operations: ['67-30=37', '29-11=18'] Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 22, 70, 87, 61 ]
100
[ "70-22=48", "87+61=148", "148-48=100" ]
Current State: 100:[22, 70, 87, 61], Operations: [] Exploring Operation: 70-22=48, Resulting Numbers: [87, 61, 48] Generated Node #2: [87, 61, 48] from Operation: 70-22=48 Current State: 100:[87, 61, 48], Operations: ['70-22=48'] Exploring Operation: 87+61=148, Resulting Numbers: [48, 148] Generated Node #3: [48, 148] from Operation: 87+61=148 Current State: 100:[48, 148], Operations: ['70-22=48', '87+61=148'] Exploring Operation: 148-48=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[22, 70, 87, 61], Operations: [] Exploring Operation: 70-61=9, Resulting Numbers: [22, 87, 9] Generated Node #0,0: 100:[22, 87, 9] Operation: 70-61=9 Exploring Operation: 87-61=26, Resulting Numbers: [22, 70, 26] Generated Node #0,1: 100:[22, 70, 26] Operation: 87-61=26 Exploring Operation: 87-70=17, Resulting Numbers: [22, 61, 17] Generated Node #0,2: 100:[22, 61, 17] Operation: 87-70=17 Moving to Node #0,0 Current State: 100:[22, 87, 9], Operations: ['70-61=9'] Exploring Operation: 22+87=109, Resulting Numbers: [9, 109] Generated Node #0,0,0: 100:[9, 109] Operation: 22+87=109 Exploring Operation: 87-22=65, Resulting Numbers: [9, 65] Generated Node #0,0,1: 100:[9, 65] Operation: 87-22=65 Exploring Operation: 87+9=96, Resulting Numbers: [22, 96] Generated Node #0,0,2: 100:[22, 96] Operation: 87+9=96 Moving to Node #0,2 Current State: 100:[22, 61, 17], Operations: ['87-70=17'] Exploring Operation: 61-17=44, Resulting Numbers: [22, 44] Generated Node #0,2,0: 100:[22, 44] Operation: 61-17=44 Exploring Operation: 22-17=5, Resulting Numbers: [61, 5] Generated Node #0,2,1: 100:[61, 5] Operation: 22-17=5 Exploring Operation: 61-22=39, Resulting Numbers: [17, 39] Generated Node #0,2,2: 100:[17, 39] Operation: 61-22=39 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 100:[22, 44], Operations: ['87-70=17', '61-17=44'] Exploring Operation: 44/22=2, Resulting Numbers: [2] 2,100 unequal: No Solution Exploring Operation: 22+44=66, Resulting Numbers: [66] 66,100 unequal: No Solution Exploring Operation: 44-22=22, Resulting Numbers: [22] 22,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 100:[61, 5], Operations: ['87-70=17', '22-17=5'] Exploring Operation: 61*5=305, Resulting Numbers: [305] 305,100 unequal: No Solution Exploring Operation: 61+5=66, Resulting Numbers: [66] 66,100 unequal: No Solution Exploring Operation: 61-5=56, Resulting Numbers: [56] 56,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 100:[17, 39], Operations: ['87-70=17', '61-22=39'] Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,100 unequal: No Solution Exploring Operation: 17*39=663, Resulting Numbers: [663] 663,100 unequal: No Solution Exploring Operation: 17+39=56, Resulting Numbers: [56] 56,100 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: 100:[22, 70, 26], Operations: ['87-61=26'] Exploring Operation: 70-26=44, Resulting Numbers: [22, 44] Generated Node #0,1,0: 100:[22, 44] Operation: 70-26=44 Exploring Operation: 70-22=48, Resulting Numbers: [26, 48] Generated Node #0,1,1: 100:[26, 48] Operation: 70-22=48 Exploring Operation: 70+26=96, Resulting Numbers: [22, 96] Generated Node #0,1,2: 100:[22, 96] Operation: 70+26=96 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 100:[26, 48], Operations: ['87-61=26', '70-22=48'] Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,100 unequal: No Solution Exploring Operation: 26*48=1248, Resulting Numbers: [1248] 1248,100 unequal: No Solution Exploring Operation: 26+48=74, Resulting Numbers: [74] 74,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 100:[22, 96], Operations: ['87-61=26', '70+26=96'] Exploring Operation: 96-22=74, Resulting Numbers: [74] 74,100 unequal: No Solution Exploring Operation: 22*96=2112, Resulting Numbers: [2112] 2112,100 unequal: No Solution Exploring Operation: 22+96=118, Resulting Numbers: [118] 118,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 100:[22, 44], Operations: ['87-61=26', '70-26=44'] Exploring Operation: 22+44=66, Resulting Numbers: [66] 66,100 unequal: No Solution Exploring Operation: 44-22=22, Resulting Numbers: [22] 22,100 unequal: No Solution Exploring Operation: 44/22=2, Resulting Numbers: [2] 2,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 100:[22, 96], Operations: ['70-61=9', '87+9=96'] Exploring Operation: 22+96=118, Resulting Numbers: [118] 118,100 unequal: No Solution Exploring Operation: 22*96=2112, Resulting Numbers: [2112] 2112,100 unequal: No Solution Exploring Operation: 96-22=74, Resulting Numbers: [74] 74,100 unequal: No Solution Moving to Node #0,0,0 Current State: 100:[9, 109], Operations: ['70-61=9', '22+87=109'] Exploring Operation: 109-9=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[22, 70, 87, 61], Operations: [] Exploring Operation: 70-61=9, Resulting Numbers: [22, 87, 9] Generated Node #0,0: 100:[22, 87, 9] Operation: 70-61=9 Moving to Node #0,0 Current State: 100:[22, 87, 9], Operations: ['70-61=9'] Exploring Operation: 22+87=109, Resulting Numbers: [9, 109] Generated Node #0,0,0: 100:[9, 109] Operation: 22+87=109 Moving to Node #0,0,0 Current State: 100:[9, 109], Operations: ['70-61=9', '22+87=109'] Exploring Operation: 109-9=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
0.967014
hs_3
mult_heuristic
[ 57, 74, 99, 2 ]
65
[ "74-57=17", "2*17=34", "99-34=65" ]
Current State: 65:[57, 74, 99, 2], Operations: [] Exploring Operation: 74-57=17, Resulting Numbers: [99, 2, 17] Generated Node #2: [99, 2, 17] from Operation: 74-57=17 Current State: 65:[99, 2, 17], Operations: ['74-57=17'] Exploring Operation: 2*17=34, Resulting Numbers: [99, 34] Generated Node #3: [99, 34] from Operation: 2*17=34 Current State: 65:[99, 34], Operations: ['74-57=17', '2*17=34'] Exploring Operation: 99-34=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[57, 74, 99, 2], Operations: [] Exploring Operation: 74-2=72, Resulting Numbers: [57, 99, 72] Generated Node #0,0: 65:[57, 99, 72] Operation: 74-2=72 Exploring Operation: 57+2=59, Resulting Numbers: [74, 99, 59] Generated Node #0,1: 65:[74, 99, 59] Operation: 57+2=59 Exploring Operation: 74-57=17, Resulting Numbers: [99, 2, 17] Generated Node #0,2: 65:[99, 2, 17] Operation: 74-57=17 Exploring Operation: 99-57=42, Resulting Numbers: [74, 2, 42] Generated Node #0,3: 65:[74, 2, 42] Operation: 99-57=42 Exploring Operation: 99-74=25, Resulting Numbers: [57, 2, 25] Generated Node #0,4: 65:[57, 2, 25] Operation: 99-74=25 Moving to Node #0,4 Current State: 65:[57, 2, 25], Operations: ['99-74=25'] Exploring Operation: 57+25=82, Resulting Numbers: [2, 82] Generated Node #0,4,0: 65:[2, 82] Operation: 57+25=82 Exploring Operation: 57-25=32, Resulting Numbers: [2, 32] Generated Node #0,4,1: 65:[2, 32] Operation: 57-25=32 Exploring Operation: 57+2=59, Resulting Numbers: [25, 59] Generated Node #0,4,2: 65:[25, 59] Operation: 57+2=59 Exploring Operation: 25-2=23, Resulting Numbers: [57, 23] Generated Node #0,4,3: 65:[57, 23] Operation: 25-2=23 Exploring Operation: 57-2=55, Resulting Numbers: [25, 55] Generated Node #0,4,4: 65:[25, 55] Operation: 57-2=55 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 65:[25, 59], Operations: ['99-74=25', '57+2=59'] Exploring Operation: 25*59=1475, Resulting Numbers: [1475] 1475,65 unequal: No Solution Exploring Operation: 59-25=34, Resulting Numbers: [34] 34,65 unequal: No Solution Exploring Operation: 25+59=84, Resulting Numbers: [84] 84,65 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 #0,4,3 Current State: 65:[57, 23], Operations: ['99-74=25', '25-2=23'] Exploring Operation: 57*23=1311, Resulting Numbers: [1311] 1311,65 unequal: No Solution Exploring Operation: 57+23=80, Resulting Numbers: [80] 80,65 unequal: No Solution Exploring Operation: 57-23=34, Resulting Numbers: [34] 34,65 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 #0,4,0 Current State: 65:[2, 82], Operations: ['99-74=25', '57+25=82'] Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,65 unequal: No Solution Exploring Operation: 2*82=164, Resulting Numbers: [164] 164,65 unequal: No Solution Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,65 unequal: No Solution Exploring Operation: 2+82=84, Resulting Numbers: [84] 84,65 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 #0,4,1 Current State: 65:[2, 32], Operations: ['99-74=25', '57-25=32'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,65 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,65 unequal: No Solution Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,65 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 #0,4,4 Current State: 65:[25, 55], Operations: ['99-74=25', '57-2=55'] Exploring Operation: 25*55=1375, Resulting Numbers: [1375] 1375,65 unequal: No Solution Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,65 unequal: No Solution Exploring Operation: 25+55=80, Resulting Numbers: [80] 80,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 65:[74, 2, 42], Operations: ['99-57=42'] Exploring Operation: 42/2=21, Resulting Numbers: [74, 21] Generated Node #0,3,0: 65:[74, 21] Operation: 42/2=21 Exploring Operation: 2+42=44, Resulting Numbers: [74, 44] Generated Node #0,3,1: 65:[74, 44] Operation: 2+42=44 Exploring Operation: 2*42=84, Resulting Numbers: [74, 84] Generated Node #0,3,2: 65:[74, 84] Operation: 2*42=84 Exploring Operation: 74-2=72, Resulting Numbers: [42, 72] Generated Node #0,3,3: 65:[42, 72] Operation: 74-2=72 Exploring Operation: 74-42=32, Resulting Numbers: [2, 32] Generated Node #0,3,4: 65:[2, 32] Operation: 74-42=32 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 65:[74, 21], Operations: ['99-57=42', '42/2=21'] Exploring Operation: 74-21=53, Resulting Numbers: [53] 53,65 unequal: No Solution Exploring Operation: 74+21=95, Resulting Numbers: [95] 95,65 unequal: No Solution Exploring Operation: 74*21=1554, Resulting Numbers: [1554] 1554,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 65:[2, 32], Operations: ['99-57=42', '74-42=32'] Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,65 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,65 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 65:[74, 84], Operations: ['99-57=42', '2*42=84'] Exploring Operation: 84-74=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 74*84=6216, Resulting Numbers: [6216] 6216,65 unequal: No Solution Exploring Operation: 74+84=158, Resulting Numbers: [158] 158,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 65:[74, 44], Operations: ['99-57=42', '2+42=44'] Exploring Operation: 74*44=3256, Resulting Numbers: [3256] 3256,65 unequal: No Solution Exploring Operation: 74-44=30, Resulting Numbers: [30] 30,65 unequal: No Solution Exploring Operation: 74+44=118, Resulting Numbers: [118] 118,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 65:[42, 72], Operations: ['99-57=42', '74-2=72'] Exploring Operation: 72-42=30, Resulting Numbers: [30] 30,65 unequal: No Solution Exploring Operation: 42+72=114, Resulting Numbers: [114] 114,65 unequal: No Solution Exploring Operation: 42*72=3024, Resulting Numbers: [3024] 3024,65 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:[99, 2, 17], Operations: ['74-57=17'] Exploring Operation: 2+17=19, Resulting Numbers: [99, 19] Generated Node #0,2,0: 65:[99, 19] Operation: 2+17=19 Exploring Operation: 99-17=82, Resulting Numbers: [2, 82] Generated Node #0,2,1: 65:[2, 82] Operation: 99-17=82 Exploring Operation: 99-2=97, Resulting Numbers: [17, 97] Generated Node #0,2,2: 65:[17, 97] Operation: 99-2=97 Exploring Operation: 17-2=15, Resulting Numbers: [99, 15] Generated Node #0,2,3: 65:[99, 15] Operation: 17-2=15 Exploring Operation: 99+2=101, Resulting Numbers: [17, 101] Generated Node #0,2,4: 65:[17, 101] Operation: 99+2=101 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 65:[2, 82], Operations: ['74-57=17', '99-17=82'] Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,65 unequal: No Solution Exploring Operation: 2+82=84, Resulting Numbers: [84] 84,65 unequal: No Solution Exploring Operation: 2*82=164, Resulting Numbers: [164] 164,65 unequal: No Solution Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 65:[17, 97], Operations: ['74-57=17', '99-2=97'] Exploring Operation: 17*97=1649, Resulting Numbers: [1649] 1649,65 unequal: No Solution Exploring Operation: 97-17=80, Resulting Numbers: [80] 80,65 unequal: No Solution Exploring Operation: 17+97=114, Resulting Numbers: [114] 114,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 65:[99, 15], Operations: ['74-57=17', '17-2=15'] Exploring Operation: 99*15=1485, Resulting Numbers: [1485] 1485,65 unequal: No Solution Exploring Operation: 99-15=84, Resulting Numbers: [84] 84,65 unequal: No Solution Exploring Operation: 99+15=114, Resulting Numbers: [114] 114,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 65:[99, 19], Operations: ['74-57=17', '2+17=19'] Exploring Operation: 99*19=1881, Resulting Numbers: [1881] 1881,65 unequal: No Solution Exploring Operation: 99-19=80, Resulting Numbers: [80] 80,65 unequal: No Solution Exploring Operation: 99+19=118, Resulting Numbers: [118] 118,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 65:[17, 101], Operations: ['74-57=17', '99+2=101'] Exploring Operation: 101-17=84, Resulting Numbers: [84] 84,65 unequal: No Solution Exploring Operation: 17+101=118, Resulting Numbers: [118] 118,65 unequal: No Solution Exploring Operation: 17*101=1717, Resulting Numbers: [1717] 1717,65 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: 65:[57, 99, 72], Operations: ['74-2=72'] Exploring Operation: 72-57=15, Resulting Numbers: [99, 15] Generated Node #0,0,0: 65:[99, 15] Operation: 72-57=15 Exploring Operation: 99-57=42, Resulting Numbers: [72, 42] Generated Node #0,0,1: 65:[72, 42] Operation: 99-57=42 Exploring Operation: 57+99=156, Resulting Numbers: [72, 156] Generated Node #0,0,2: 65:[72, 156] Operation: 57+99=156 Exploring Operation: 99-72=27, Resulting Numbers: [57, 27] Generated Node #0,0,3: 65:[57, 27] Operation: 99-72=27 Exploring Operation: 57+72=129, Resulting Numbers: [99, 129] Generated Node #0,0,4: 65:[99, 129] Operation: 57+72=129 Moving to Node #0,1 Current State: 65:[74, 99, 59], Operations: ['57+2=59'] Exploring Operation: 99-59=40, Resulting Numbers: [74, 40] Generated Node #0,1,0: 65:[74, 40] Operation: 99-59=40 Exploring Operation: 74+59=133, Resulting Numbers: [99, 133] Generated Node #0,1,1: 65:[99, 133] Operation: 74+59=133 Exploring Operation: 99-74=25, Resulting Numbers: [59, 25] Generated Node #0,1,2: 65:[59, 25] Operation: 99-74=25 Exploring Operation: 99+59=158, Resulting Numbers: [74, 158] Generated Node #0,1,3: 65:[74, 158] Operation: 99+59=158 Exploring Operation: 74-59=15, Resulting Numbers: [99, 15] Generated Node #0,1,4: 65:[99, 15] Operation: 74-59=15 Moving to Node #0,1,2 Current State: 65:[59, 25], Operations: ['57+2=59', '99-74=25'] Exploring Operation: 59+25=84, Resulting Numbers: [84] 84,65 unequal: No Solution Exploring Operation: 59-25=34, Resulting Numbers: [34] 34,65 unequal: No Solution Exploring Operation: 59*25=1475, Resulting Numbers: [1475] 1475,65 unequal: No Solution Moving to Node #0,0,3 Current State: 65:[57, 27], Operations: ['74-2=72', '99-72=27'] Exploring Operation: 57-27=30, Resulting Numbers: [30] 30,65 unequal: No Solution Exploring Operation: 57+27=84, Resulting Numbers: [84] 84,65 unequal: No Solution Exploring Operation: 57*27=1539, Resulting Numbers: [1539] 1539,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[72, 42], Operations: ['74-2=72', '99-57=42'] Exploring Operation: 72*42=3024, Resulting Numbers: [3024] 3024,65 unequal: No Solution Exploring Operation: 72-42=30, Resulting Numbers: [30] 30,65 unequal: No Solution Exploring Operation: 72+42=114, Resulting Numbers: [114] 114,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[74, 40], Operations: ['57+2=59', '99-59=40'] Exploring Operation: 74*40=2960, Resulting Numbers: [2960] 2960,65 unequal: No Solution Exploring Operation: 74+40=114, Resulting Numbers: [114] 114,65 unequal: No Solution Exploring Operation: 74-40=34, Resulting Numbers: [34] 34,65 unequal: No Solution Moving to Node #0,0,0 Current State: 65:[99, 15], Operations: ['74-2=72', '72-57=15'] Exploring Operation: 99*15=1485, Resulting Numbers: [1485] 1485,65 unequal: No Solution Exploring Operation: 99+15=114, Resulting Numbers: [114] 114,65 unequal: No Solution Exploring Operation: 99-15=84, Resulting Numbers: [84] 84,65 unequal: No Solution Moving to Node #0,1,4 Current State: 65:[99, 15], Operations: ['57+2=59', '74-59=15'] Exploring Operation: 99*15=1485, Resulting Numbers: [1485] 1485,65 unequal: No Solution Exploring Operation: 99-15=84, Resulting Numbers: [84] 84,65 unequal: No Solution Exploring Operation: 99+15=114, Resulting Numbers: [114] 114,65 unequal: No Solution Moving to Node #0,0,4 Current State: 65:[99, 129], Operations: ['74-2=72', '57+72=129'] Exploring Operation: 99+129=228, Resulting Numbers: [228] 228,65 unequal: No Solution Exploring Operation: 99*129=12771, Resulting Numbers: [12771] 12771,65 unequal: No Solution Exploring Operation: 129-99=30, Resulting Numbers: [30] 30,65 unequal: No Solution Moving to Node #0,0,2 Current State: 65:[72, 156], Operations: ['74-2=72', '57+99=156'] Exploring Operation: 72+156=228, Resulting Numbers: [228] 228,65 unequal: No Solution Exploring Operation: 72*156=11232, Resulting Numbers: [11232] 11232,65 unequal: No Solution Exploring Operation: 156-72=84, Resulting Numbers: [84] 84,65 unequal: No Solution Moving to Node #0,1,3 Current State: 65:[74, 158], Operations: ['57+2=59', '99+59=158'] Exploring Operation: 158-74=84, Resulting Numbers: [84] 84,65 unequal: No Solution Exploring Operation: 74*158=11692, Resulting Numbers: [11692] 11692,65 unequal: No Solution Exploring Operation: 74+158=232, Resulting Numbers: [232] 232,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[99, 133], Operations: ['57+2=59', '74+59=133'] Exploring Operation: 133-99=34, Resulting Numbers: [34] 34,65 unequal: No Solution Exploring Operation: 99+133=232, Resulting Numbers: [232] 232,65 unequal: No Solution Exploring Operation: 99*133=13167, Resulting Numbers: [13167] 13167,65 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 93, 13, 61, 75 ]
94
[ "93-13=80", "75-61=14", "80+14=94" ]
Current State: 94:[93, 13, 61, 75], Operations: [] Exploring Operation: 93-13=80, Resulting Numbers: [61, 75, 80] Generated Node #2: [61, 75, 80] from Operation: 93-13=80 Current State: 94:[61, 75, 80], Operations: ['93-13=80'] Exploring Operation: 75-61=14, Resulting Numbers: [80, 14] Generated Node #3: [80, 14] from Operation: 75-61=14 Current State: 94:[80, 14], Operations: ['93-13=80', '75-61=14'] Exploring Operation: 80+14=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[93, 13, 61, 75], Operations: [] Exploring Operation: 75-61=14, Resulting Numbers: [93, 13, 14] Generated Node #0,0: 94:[93, 13, 14] Operation: 75-61=14 Exploring Operation: 13+75=88, Resulting Numbers: [93, 61, 88] Generated Node #0,1: 94:[93, 61, 88] Operation: 13+75=88 Exploring Operation: 75-13=62, Resulting Numbers: [93, 61, 62] Generated Node #0,2: 94:[93, 61, 62] Operation: 75-13=62 Exploring Operation: 61-13=48, Resulting Numbers: [93, 75, 48] Generated Node #0,3: 94:[93, 75, 48] Operation: 61-13=48 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[93, 61, 88], Operations: ['13+75=88'] Exploring Operation: 93-88=5, Resulting Numbers: [61, 5] Generated Node #0,1,0: 94:[61, 5] Operation: 93-88=5 Exploring Operation: 93-61=32, Resulting Numbers: [88, 32] Generated Node #0,1,1: 94:[88, 32] Operation: 93-61=32 Exploring Operation: 88-61=27, Resulting Numbers: [93, 27] Generated Node #0,1,2: 94:[93, 27] Operation: 88-61=27 Exploring Operation: 61+88=149, Resulting Numbers: [93, 149] Generated Node #0,1,3: 94:[93, 149] Operation: 61+88=149 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 94:[61, 5], Operations: ['13+75=88', '93-88=5'] Exploring Operation: 61-5=56, Resulting Numbers: [56] 56,94 unequal: No Solution Exploring Operation: 61+5=66, Resulting Numbers: [66] 66,94 unequal: No Solution Exploring Operation: 61*5=305, Resulting Numbers: [305] 305,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 94:[88, 32], Operations: ['13+75=88', '93-61=32'] Exploring Operation: 88*32=2816, Resulting Numbers: [2816] 2816,94 unequal: No Solution Exploring Operation: 88+32=120, Resulting Numbers: [120] 120,94 unequal: No Solution Exploring Operation: 88-32=56, Resulting Numbers: [56] 56,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 94:[93, 27], Operations: ['13+75=88', '88-61=27'] Exploring Operation: 93+27=120, Resulting Numbers: [120] 120,94 unequal: No Solution Exploring Operation: 93*27=2511, Resulting Numbers: [2511] 2511,94 unequal: No Solution Exploring Operation: 93-27=66, Resulting Numbers: [66] 66,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 94:[93, 149], Operations: ['13+75=88', '61+88=149'] Exploring Operation: 149-93=56, Resulting Numbers: [56] 56,94 unequal: No Solution Exploring Operation: 93+149=242, Resulting Numbers: [242] 242,94 unequal: No Solution Exploring Operation: 93*149=13857, Resulting Numbers: [13857] 13857,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 94:[93, 75, 48], Operations: ['61-13=48'] Exploring Operation: 75+48=123, Resulting Numbers: [93, 123] Generated Node #0,3,0: 94:[93, 123] Operation: 75+48=123 Exploring Operation: 75-48=27, Resulting Numbers: [93, 27] Generated Node #0,3,1: 94:[93, 27] Operation: 75-48=27 Exploring Operation: 93-48=45, Resulting Numbers: [75, 45] Generated Node #0,3,2: 94:[75, 45] Operation: 93-48=45 Exploring Operation: 93-75=18, Resulting Numbers: [48, 18] Generated Node #0,3,3: 94:[48, 18] Operation: 93-75=18 Moving to Node #0,3,3 Current State: 94:[48, 18], Operations: ['61-13=48', '93-75=18'] Exploring Operation: 48-18=30, Resulting Numbers: [30] 30,94 unequal: No Solution Exploring Operation: 48*18=864, Resulting Numbers: [864] 864,94 unequal: No Solution Exploring Operation: 48+18=66, Resulting Numbers: [66] 66,94 unequal: No Solution Moving to Node #0,3,2 Current State: 94:[75, 45], Operations: ['61-13=48', '93-48=45'] Exploring Operation: 75*45=3375, Resulting Numbers: [3375] 3375,94 unequal: No Solution Exploring Operation: 75+45=120, Resulting Numbers: [120] 120,94 unequal: No Solution Exploring Operation: 75-45=30, Resulting Numbers: [30] 30,94 unequal: No Solution Moving to Node #0,3,1 Current State: 94:[93, 27], Operations: ['61-13=48', '75-48=27'] Exploring Operation: 93-27=66, Resulting Numbers: [66] 66,94 unequal: No Solution Exploring Operation: 93+27=120, Resulting Numbers: [120] 120,94 unequal: No Solution Exploring Operation: 93*27=2511, Resulting Numbers: [2511] 2511,94 unequal: No Solution Moving to Node #0,3,0 Current State: 94:[93, 123], Operations: ['61-13=48', '75+48=123'] Exploring Operation: 123-93=30, Resulting Numbers: [30] 30,94 unequal: No Solution Exploring Operation: 93+123=216, Resulting Numbers: [216] 216,94 unequal: No Solution Exploring Operation: 93*123=11439, Resulting Numbers: [11439] 11439,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[93, 13, 14], Operations: ['75-61=14'] Exploring Operation: 93+13=106, Resulting Numbers: [14, 106] Generated Node #0,0,0: 94:[14, 106] Operation: 93+13=106 Exploring Operation: 93+14=107, Resulting Numbers: [13, 107] Generated Node #0,0,1: 94:[13, 107] Operation: 93+14=107 Exploring Operation: 13+14=27, Resulting Numbers: [93, 27] Generated Node #0,0,2: 94:[93, 27] Operation: 13+14=27 Exploring Operation: 14-13=1, Resulting Numbers: [93, 1] Generated Node #0,0,3: 94:[93, 1] Operation: 14-13=1 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 94:[93, 1], Operations: ['75-61=14', '14-13=1'] Exploring Operation: 93*1=93, Resulting Numbers: [93] 93,94 unequal: No Solution Exploring Operation: 93+1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[93, 13, 61, 75], Operations: [] Exploring Operation: 75-61=14, Resulting Numbers: [93, 13, 14] Generated Node #0,0: 94:[93, 13, 14] Operation: 75-61=14 Moving to Node #0,0 Current State: 94:[93, 13, 14], Operations: ['75-61=14'] Exploring Operation: 14-13=1, Resulting Numbers: [93, 1] Generated Node #0,0,3: 94:[93, 1] Operation: 14-13=1 Moving to Node #0,0,3 Current State: 94:[93, 1], Operations: ['75-61=14', '14-13=1'] Exploring Operation: 93+1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.960069
hs_4
mult_heuristic
[ 32, 43, 40, 23 ]
12
[ "32+43=75", "40+23=63", "75-63=12" ]
Current State: 12:[32, 43, 40, 23], Operations: [] Exploring Operation: 32+43=75, Resulting Numbers: [40, 23, 75] Generated Node #2: [40, 23, 75] from Operation: 32+43=75 Current State: 12:[40, 23, 75], Operations: ['32+43=75'] Exploring Operation: 40+23=63, Resulting Numbers: [75, 63] Generated Node #3: [75, 63] from Operation: 40+23=63 Current State: 12:[75, 63], Operations: ['32+43=75', '40+23=63'] Exploring Operation: 75-63=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[32, 43, 40, 23], Operations: [] Exploring Operation: 43-23=20, Resulting Numbers: [32, 40, 20] Generated Node #0,0: 12:[32, 40, 20] Operation: 43-23=20 Exploring Operation: 43-40=3, Resulting Numbers: [32, 23, 3] Generated Node #0,1: 12:[32, 23, 3] Operation: 43-40=3 Exploring Operation: 40-32=8, Resulting Numbers: [43, 23, 8] Generated Node #0,2: 12:[43, 23, 8] Operation: 40-32=8 Exploring Operation: 43-32=11, Resulting Numbers: [40, 23, 11] Generated Node #0,3: 12:[40, 23, 11] Operation: 43-32=11 Moving to Node #0,1 Current State: 12:[32, 23, 3], Operations: ['43-40=3'] Exploring Operation: 23-3=20, Resulting Numbers: [32, 20] Generated Node #0,1,0: 12:[32, 20] Operation: 23-3=20 Exploring Operation: 32-3=29, Resulting Numbers: [23, 29] Generated Node #0,1,1: 12:[23, 29] Operation: 32-3=29 Exploring Operation: 32+3=35, Resulting Numbers: [23, 35] Generated Node #0,1,2: 12:[23, 35] Operation: 32+3=35 Exploring Operation: 32-23=9, Resulting Numbers: [3, 9] Generated Node #0,1,3: 12:[3, 9] Operation: 32-23=9 Moving to Node #0,3 Current State: 12:[40, 23, 11], Operations: ['43-32=11'] Exploring Operation: 40+11=51, Resulting Numbers: [23, 51] Generated Node #0,3,0: 12:[23, 51] Operation: 40+11=51 Exploring Operation: 23-11=12, Resulting Numbers: [40, 12] Generated Node #0,3,1: 12:[40, 12] Operation: 23-11=12 Exploring Operation: 40-23=17, Resulting Numbers: [11, 17] Generated Node #0,3,2: 12:[11, 17] Operation: 40-23=17 Exploring Operation: 40-11=29, Resulting Numbers: [23, 29] Generated Node #0,3,3: 12:[23, 29] Operation: 40-11=29 Moving to Node #0,2 Current State: 12:[43, 23, 8], Operations: ['40-32=8'] Exploring Operation: 43+8=51, Resulting Numbers: [23, 51] Generated Node #0,2,0: 12:[23, 51] Operation: 43+8=51 Exploring Operation: 43-23=20, Resulting Numbers: [8, 20] Generated Node #0,2,1: 12:[8, 20] Operation: 43-23=20 Exploring Operation: 43-8=35, Resulting Numbers: [23, 35] Generated Node #0,2,2: 12:[23, 35] Operation: 43-8=35 Exploring Operation: 23-8=15, Resulting Numbers: [43, 15] Generated Node #0,2,3: 12:[43, 15] Operation: 23-8=15 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 12:[8, 20], Operations: ['40-32=8', '43-23=20'] Exploring Operation: 8*20=160, Resulting Numbers: [160] 160,12 unequal: No Solution Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[32, 43, 40, 23], Operations: [] Exploring Operation: 40-32=8, Resulting Numbers: [43, 23, 8] Generated Node #0,2: 12:[43, 23, 8] Operation: 40-32=8 Moving to Node #0,2 Current State: 12:[43, 23, 8], Operations: ['40-32=8'] Exploring Operation: 43-23=20, Resulting Numbers: [8, 20] Generated Node #0,2,1: 12:[8, 20] Operation: 43-23=20 Moving to Node #0,2,1 Current State: 12:[8, 20], Operations: ['40-32=8', '43-23=20'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
sum_heuristic
[ 12, 85, 10, 25 ]
50
[ "85-25=60", "60/12=5", "10*5=50" ]
Current State: 50:[12, 85, 10, 25], Operations: [] Exploring Operation: 85-25=60, Resulting Numbers: [12, 10, 60] Generated Node #2: [12, 10, 60] from Operation: 85-25=60 Current State: 50:[12, 10, 60], Operations: ['85-25=60'] Exploring Operation: 60/12=5, Resulting Numbers: [10, 5] Generated Node #3: [10, 5] from Operation: 60/12=5 Current State: 50:[10, 5], Operations: ['85-25=60', '60/12=5'] Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[12, 85, 10, 25], Operations: [] Exploring Operation: 85-10=75, Resulting Numbers: [12, 25, 75] Generated Node #0,0: 50:[12, 25, 75] Operation: 85-10=75 Exploring Operation: 12-10=2, Resulting Numbers: [85, 25, 2] Generated Node #0,1: 50:[85, 25, 2] Operation: 12-10=2 Exploring Operation: 85-12=73, Resulting Numbers: [10, 25, 73] Generated Node #0,2: 50:[10, 25, 73] Operation: 85-12=73 Exploring Operation: 85-25=60, Resulting Numbers: [12, 10, 60] Generated Node #0,3: 50:[12, 10, 60] Operation: 85-25=60 Moving to Node #0,3 Current State: 50:[12, 10, 60], Operations: ['85-25=60'] Exploring Operation: 60/12=5, Resulting Numbers: [10, 5] Generated Node #0,3,0: 50:[10, 5] Operation: 60/12=5 Exploring Operation: 60-10=50, Resulting Numbers: [12, 50] Generated Node #0,3,1: 50:[12, 50] Operation: 60-10=50 Exploring Operation: 60-12=48, Resulting Numbers: [10, 48] Generated Node #0,3,2: 50:[10, 48] Operation: 60-12=48 Exploring Operation: 60/10=6, Resulting Numbers: [12, 6] Generated Node #0,3,3: 50:[12, 6] Operation: 60/10=6 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 50:[10, 5], Operations: ['85-25=60', '60/12=5'] Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,50 unequal: No Solution Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[12, 85, 10, 25], Operations: [] Exploring Operation: 85-25=60, Resulting Numbers: [12, 10, 60] Generated Node #0,3: 50:[12, 10, 60] Operation: 85-25=60 Moving to Node #0,3 Current State: 50:[12, 10, 60], Operations: ['85-25=60'] Exploring Operation: 60/12=5, Resulting Numbers: [10, 5] Generated Node #0,3,0: 50:[10, 5] Operation: 60/12=5 Moving to Node #0,3,0 Current State: 50:[10, 5], Operations: ['85-25=60', '60/12=5'] Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 97, 34, 35, 5 ]
33
[ "97-34=63", "35-5=30", "63-30=33" ]
Current State: 33:[97, 34, 35, 5], Operations: [] Exploring Operation: 97-34=63, Resulting Numbers: [35, 5, 63] Generated Node #2: [35, 5, 63] from Operation: 97-34=63 Current State: 33:[35, 5, 63], Operations: ['97-34=63'] Exploring Operation: 35-5=30, Resulting Numbers: [63, 30] Generated Node #3: [63, 30] from Operation: 35-5=30 Current State: 33:[63, 30], Operations: ['97-34=63', '35-5=30'] Exploring Operation: 63-30=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[97, 34, 35, 5], Operations: [] Exploring Operation: 97-34=63, Resulting Numbers: [35, 5, 63] Generated Node #0,0: 33:[35, 5, 63] Operation: 97-34=63 Exploring Operation: 97-5=92, Resulting Numbers: [34, 35, 92] Generated Node #0,1: 33:[34, 35, 92] Operation: 97-5=92 Exploring Operation: 35-34=1, Resulting Numbers: [97, 5, 1] Generated Node #0,2: 33:[97, 5, 1] Operation: 35-34=1 Exploring Operation: 35-5=30, Resulting Numbers: [97, 34, 30] Generated Node #0,3: 33:[97, 34, 30] Operation: 35-5=30 Exploring Operation: 97-35=62, Resulting Numbers: [34, 5, 62] Generated Node #0,4: 33:[34, 5, 62] Operation: 97-35=62 Start Sub Search at level 1: Moving to Node #0,4 Current State: 33:[34, 5, 62], Operations: ['97-35=62'] Exploring Operation: 5+62=67, Resulting Numbers: [34, 67] Generated Node #0,4,0: 33:[34, 67] Operation: 5+62=67 Exploring Operation: 34-5=29, Resulting Numbers: [62, 29] Generated Node #0,4,1: 33:[62, 29] Operation: 34-5=29 Exploring Operation: 62-5=57, Resulting Numbers: [34, 57] Generated Node #0,4,2: 33:[34, 57] Operation: 62-5=57 Exploring Operation: 62-34=28, Resulting Numbers: [5, 28] Generated Node #0,4,3: 33:[5, 28] Operation: 62-34=28 Exploring Operation: 34+5=39, Resulting Numbers: [62, 39] Generated Node #0,4,4: 33:[62, 39] Operation: 34+5=39 Moving to Node #0,4,3 Current State: 33:[5, 28], Operations: ['97-35=62', '62-34=28'] Exploring Operation: 5*28=140, Resulting Numbers: [140] 140,33 unequal: No Solution Exploring Operation: 5+28=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[97, 34, 35, 5], Operations: [] Exploring Operation: 97-35=62, Resulting Numbers: [34, 5, 62] Generated Node #0,4: 33:[34, 5, 62] Operation: 97-35=62 Moving to Node #0,4 Current State: 33:[34, 5, 62], Operations: ['97-35=62'] Exploring Operation: 62-34=28, Resulting Numbers: [5, 28] Generated Node #0,4,3: 33:[5, 28] Operation: 62-34=28 Moving to Node #0,4,3 Current State: 33:[5, 28], Operations: ['97-35=62', '62-34=28'] Exploring Operation: 5+28=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 48, 36, 80, 30 ]
88
[ "36-30=6", "48/6=8", "80+8=88" ]
Current State: 88:[48, 36, 80, 30], Operations: [] Exploring Operation: 36-30=6, Resulting Numbers: [48, 80, 6] Generated Node #2: [48, 80, 6] from Operation: 36-30=6 Current State: 88:[48, 80, 6], Operations: ['36-30=6'] Exploring Operation: 48/6=8, Resulting Numbers: [80, 8] Generated Node #3: [80, 8] from Operation: 48/6=8 Current State: 88:[80, 8], Operations: ['36-30=6', '48/6=8'] Exploring Operation: 80+8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[48, 36, 80, 30], Operations: [] Exploring Operation: 48-36=12, Resulting Numbers: [80, 30, 12] Generated Node #0,0: 88:[80, 30, 12] Operation: 48-36=12 Exploring Operation: 36-30=6, Resulting Numbers: [48, 80, 6] Generated Node #0,1: 88:[48, 80, 6] Operation: 36-30=6 Exploring Operation: 80-36=44, Resulting Numbers: [48, 30, 44] Generated Node #0,2: 88:[48, 30, 44] Operation: 80-36=44 Moving to Node #0,2 Current State: 88:[48, 30, 44], Operations: ['80-36=44'] Exploring Operation: 44-30=14, Resulting Numbers: [48, 14] Generated Node #0,2,0: 88:[48, 14] Operation: 44-30=14 Exploring Operation: 48-44=4, Resulting Numbers: [30, 4] Generated Node #0,2,1: 88:[30, 4] Operation: 48-44=4 Exploring Operation: 48-30=18, Resulting Numbers: [44, 18] Generated Node #0,2,2: 88:[44, 18] Operation: 48-30=18 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 88:[44, 18], Operations: ['80-36=44', '48-30=18'] Exploring Operation: 44*18=792, Resulting Numbers: [792] 792,88 unequal: No Solution Exploring Operation: 44+18=62, Resulting Numbers: [62] 62,88 unequal: No Solution Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 88:[48, 14], Operations: ['80-36=44', '44-30=14'] Exploring Operation: 48*14=672, Resulting Numbers: [672] 672,88 unequal: No Solution Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 48+14=62, Resulting Numbers: [62] 62,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 88:[30, 4], Operations: ['80-36=44', '48-44=4'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,88 unequal: No Solution Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 30*4=120, Resulting Numbers: [120] 120,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 88:[48, 80, 6], Operations: ['36-30=6'] Exploring Operation: 48-6=42, Resulting Numbers: [80, 42] Generated Node #0,1,0: 88:[80, 42] Operation: 48-6=42 Exploring Operation: 48/6=8, Resulting Numbers: [80, 8] Generated Node #0,1,1: 88:[80, 8] Operation: 48/6=8 Exploring Operation: 80+6=86, Resulting Numbers: [48, 86] Generated Node #0,1,2: 88:[48, 86] Operation: 80+6=86 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 88:[48, 86], Operations: ['36-30=6', '80+6=86'] Exploring Operation: 48*86=4128, Resulting Numbers: [4128] 4128,88 unequal: No Solution Exploring Operation: 48+86=134, Resulting Numbers: [134] 134,88 unequal: No Solution Exploring Operation: 86-48=38, Resulting Numbers: [38] 38,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 88:[80, 8], Operations: ['36-30=6', '48/6=8'] Exploring Operation: 80-8=72, Resulting Numbers: [72] 72,88 unequal: No Solution Exploring Operation: 80+8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[48, 36, 80, 30], Operations: [] Exploring Operation: 36-30=6, Resulting Numbers: [48, 80, 6] Generated Node #0,1: 88:[48, 80, 6] Operation: 36-30=6 Moving to Node #0,1 Current State: 88:[48, 80, 6], Operations: ['36-30=6'] Exploring Operation: 48/6=8, Resulting Numbers: [80, 8] Generated Node #0,1,1: 88:[80, 8] Operation: 48/6=8 Moving to Node #0,1,1 Current State: 88:[80, 8], Operations: ['36-30=6', '48/6=8'] Exploring Operation: 80+8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
mult_heuristic
[ 32, 96, 63, 87 ]
34
[ "96/32=3", "87/3=29", "63-29=34" ]
Current State: 34:[32, 96, 63, 87], Operations: [] Exploring Operation: 96/32=3, Resulting Numbers: [63, 87, 3] Generated Node #2: [63, 87, 3] from Operation: 96/32=3 Current State: 34:[63, 87, 3], Operations: ['96/32=3'] Exploring Operation: 87/3=29, Resulting Numbers: [63, 29] Generated Node #3: [63, 29] from Operation: 87/3=29 Current State: 34:[63, 29], Operations: ['96/32=3', '87/3=29'] Exploring Operation: 63-29=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[32, 96, 63, 87], Operations: [] Exploring Operation: 96-63=33, Resulting Numbers: [32, 87, 33] Generated Node #0,0: 34:[32, 87, 33] Operation: 96-63=33 Exploring Operation: 96/32=3, Resulting Numbers: [63, 87, 3] Generated Node #0,1: 34:[63, 87, 3] Operation: 96/32=3 Exploring Operation: 96-32=64, Resulting Numbers: [63, 87, 64] Generated Node #0,2: 34:[63, 87, 64] Operation: 96-32=64 Exploring Operation: 96-87=9, Resulting Numbers: [32, 63, 9] Generated Node #0,3: 34:[32, 63, 9] Operation: 96-87=9 Exploring Operation: 87-63=24, Resulting Numbers: [32, 96, 24] Generated Node #0,4: 34:[32, 96, 24] Operation: 87-63=24 Moving to Node #0,3 Current State: 34:[32, 63, 9], Operations: ['96-87=9'] Exploring Operation: 32-9=23, Resulting Numbers: [63, 23] Generated Node #0,3,0: 34:[63, 23] Operation: 32-9=23 Exploring Operation: 63-32=31, Resulting Numbers: [9, 31] Generated Node #0,3,1: 34:[9, 31] Operation: 63-32=31 Exploring Operation: 32+9=41, Resulting Numbers: [63, 41] Generated Node #0,3,2: 34:[63, 41] Operation: 32+9=41 Exploring Operation: 63/9=7, Resulting Numbers: [32, 7] Generated Node #0,3,3: 34:[32, 7] Operation: 63/9=7 Exploring Operation: 63-9=54, Resulting Numbers: [32, 54] Generated Node #0,3,4: 34:[32, 54] Operation: 63-9=54 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 34:[32, 7], Operations: ['96-87=9', '63/9=7'] Exploring Operation: 32+7=39, Resulting Numbers: [39] 39,34 unequal: No Solution Exploring Operation: 32*7=224, Resulting Numbers: [224] 224,34 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,34 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 #0,3,1 Current State: 34:[9, 31], Operations: ['96-87=9', '63-32=31'] Exploring Operation: 9+31=40, Resulting Numbers: [40] 40,34 unequal: No Solution Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,34 unequal: No Solution Exploring Operation: 9*31=279, Resulting Numbers: [279] 279,34 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 #0,3,4 Current State: 34:[32, 54], Operations: ['96-87=9', '63-9=54'] Exploring Operation: 32*54=1728, Resulting Numbers: [1728] 1728,34 unequal: No Solution Exploring Operation: 32+54=86, Resulting Numbers: [86] 86,34 unequal: No Solution Exploring Operation: 54-32=22, Resulting Numbers: [22] 22,34 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 #0,3,0 Current State: 34:[63, 23], Operations: ['96-87=9', '32-9=23'] Exploring Operation: 63*23=1449, Resulting Numbers: [1449] 1449,34 unequal: No Solution Exploring Operation: 63+23=86, Resulting Numbers: [86] 86,34 unequal: No Solution Exploring Operation: 63-23=40, Resulting Numbers: [40] 40,34 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 #0,3,2 Current State: 34:[63, 41], Operations: ['96-87=9', '32+9=41'] Exploring Operation: 63*41=2583, Resulting Numbers: [2583] 2583,34 unequal: No Solution Exploring Operation: 63-41=22, Resulting Numbers: [22] 22,34 unequal: No Solution Exploring Operation: 63+41=104, Resulting Numbers: [104] 104,34 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:[32, 87, 33], Operations: ['96-63=33'] Exploring Operation: 87-32=55, Resulting Numbers: [33, 55] Generated Node #0,0,0: 34:[33, 55] Operation: 87-32=55 Exploring Operation: 32+33=65, Resulting Numbers: [87, 65] Generated Node #0,0,1: 34:[87, 65] Operation: 32+33=65 Exploring Operation: 32+87=119, Resulting Numbers: [33, 119] Generated Node #0,0,2: 34:[33, 119] Operation: 32+87=119 Exploring Operation: 33-32=1, Resulting Numbers: [87, 1] Generated Node #0,0,3: 34:[87, 1] Operation: 33-32=1 Exploring Operation: 87-33=54, Resulting Numbers: [32, 54] Generated Node #0,0,4: 34:[32, 54] Operation: 87-33=54 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[33, 55], Operations: ['96-63=33', '87-32=55'] Exploring Operation: 33+55=88, Resulting Numbers: [88] 88,34 unequal: No Solution Exploring Operation: 33*55=1815, Resulting Numbers: [1815] 1815,34 unequal: No Solution Exploring Operation: 55-33=22, Resulting Numbers: [22] 22,34 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 #0,0,4 Current State: 34:[32, 54], Operations: ['96-63=33', '87-33=54'] Exploring Operation: 32*54=1728, Resulting Numbers: [1728] 1728,34 unequal: No Solution Exploring Operation: 54-32=22, Resulting Numbers: [22] 22,34 unequal: No Solution Exploring Operation: 32+54=86, Resulting Numbers: [86] 86,34 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 #0,0,3 Current State: 34:[87, 1], Operations: ['96-63=33', '33-32=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,34 unequal: No Solution Exploring Operation: 87+1=88, Resulting Numbers: [88] 88,34 unequal: No Solution Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,34 unequal: No Solution Exploring Operation: 87/1=87, Resulting Numbers: [87] 87,34 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:[87, 65], Operations: ['96-63=33', '32+33=65'] Exploring Operation: 87*65=5655, Resulting Numbers: [5655] 5655,34 unequal: No Solution Exploring Operation: 87+65=152, Resulting Numbers: [152] 152,34 unequal: No Solution Exploring Operation: 87-65=22, Resulting Numbers: [22] 22,34 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 #0,0,2 Current State: 34:[33, 119], Operations: ['96-63=33', '32+87=119'] Exploring Operation: 33*119=3927, Resulting Numbers: [3927] 3927,34 unequal: No Solution Exploring Operation: 119-33=86, Resulting Numbers: [86] 86,34 unequal: No Solution Exploring Operation: 33+119=152, Resulting Numbers: [152] 152,34 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: 34:[32, 96, 24], Operations: ['87-63=24'] Exploring Operation: 96-24=72, Resulting Numbers: [32, 72] Generated Node #0,4,0: 34:[32, 72] Operation: 96-24=72 Exploring Operation: 96/32=3, Resulting Numbers: [24, 3] Generated Node #0,4,1: 34:[24, 3] Operation: 96/32=3 Exploring Operation: 32-24=8, Resulting Numbers: [96, 8] Generated Node #0,4,2: 34:[96, 8] Operation: 32-24=8 Exploring Operation: 96-32=64, Resulting Numbers: [24, 64] Generated Node #0,4,3: 34:[24, 64] Operation: 96-32=64 Exploring Operation: 96/24=4, Resulting Numbers: [32, 4] Generated Node #0,4,4: 34:[32, 4] Operation: 96/24=4 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 34:[32, 4], Operations: ['87-63=24', '96/24=4'] Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,34 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,34 unequal: No Solution Exploring Operation: 32*4=128, Resulting Numbers: [128] 128,34 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 34:[24, 3], Operations: ['87-63=24', '96/32=3'] Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,34 unequal: No Solution Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,34 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,34 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 #0,4,3 Current State: 34:[24, 64], Operations: ['87-63=24', '96-32=64'] Exploring Operation: 64-24=40, Resulting Numbers: [40] 40,34 unequal: No Solution Exploring Operation: 24*64=1536, Resulting Numbers: [1536] 1536,34 unequal: No Solution Exploring Operation: 24+64=88, Resulting Numbers: [88] 88,34 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 #0,4,0 Current State: 34:[32, 72], Operations: ['87-63=24', '96-24=72'] Exploring Operation: 72-32=40, Resulting Numbers: [40] 40,34 unequal: No Solution Exploring Operation: 32+72=104, Resulting Numbers: [104] 104,34 unequal: No Solution Exploring Operation: 32*72=2304, Resulting Numbers: [2304] 2304,34 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 #0,4,2 Current State: 34:[96, 8], Operations: ['87-63=24', '32-24=8'] Exploring Operation: 96/8=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 96+8=104, Resulting Numbers: [104] 104,34 unequal: No Solution Exploring Operation: 96*8=768, Resulting Numbers: [768] 768,34 unequal: No Solution Exploring Operation: 96-8=88, Resulting Numbers: [88] 88,34 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:[63, 87, 3], Operations: ['96/32=3'] Exploring Operation: 63/3=21, Resulting Numbers: [87, 21] Generated Node #0,1,0: 34:[87, 21] Operation: 63/3=21 Exploring Operation: 87-3=84, Resulting Numbers: [63, 84] Generated Node #0,1,1: 34:[63, 84] Operation: 87-3=84 Exploring Operation: 87/3=29, Resulting Numbers: [63, 29] Generated Node #0,1,2: 34:[63, 29] Operation: 87/3=29 Exploring Operation: 87-63=24, Resulting Numbers: [3, 24] Generated Node #0,1,3: 34:[3, 24] Operation: 87-63=24 Exploring Operation: 63-3=60, Resulting Numbers: [87, 60] Generated Node #0,1,4: 34:[87, 60] Operation: 63-3=60 Moving to Node #0,2 Current State: 34:[63, 87, 64], Operations: ['96-32=64'] Exploring Operation: 87-64=23, Resulting Numbers: [63, 23] Generated Node #0,2,0: 34:[63, 23] Operation: 87-64=23 Exploring Operation: 63+64=127, Resulting Numbers: [87, 127] Generated Node #0,2,1: 34:[87, 127] Operation: 63+64=127 Exploring Operation: 64-63=1, Resulting Numbers: [87, 1] Generated Node #0,2,2: 34:[87, 1] Operation: 64-63=1 Exploring Operation: 63+87=150, Resulting Numbers: [64, 150] Generated Node #0,2,3: 34:[64, 150] Operation: 63+87=150 Exploring Operation: 87-63=24, Resulting Numbers: [64, 24] Generated Node #0,2,4: 34:[64, 24] Operation: 87-63=24 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 34:[63, 23], Operations: ['96-32=64', '87-64=23'] Exploring Operation: 63-23=40, Resulting Numbers: [40] 40,34 unequal: No Solution Exploring Operation: 63+23=86, Resulting Numbers: [86] 86,34 unequal: No Solution Exploring Operation: 63*23=1449, Resulting Numbers: [1449] 1449,34 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 #0,2,4 Current State: 34:[64, 24], Operations: ['96-32=64', '87-63=24'] Exploring Operation: 64-24=40, Resulting Numbers: [40] 40,34 unequal: No Solution Exploring Operation: 64*24=1536, Resulting Numbers: [1536] 1536,34 unequal: No Solution Exploring Operation: 64+24=88, Resulting Numbers: [88] 88,34 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 #0,2,2 Current State: 34:[87, 1], Operations: ['96-32=64', '64-63=1'] Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,34 unequal: No Solution Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,34 unequal: No Solution Exploring Operation: 87/1=87, Resulting Numbers: [87] 87,34 unequal: No Solution Exploring Operation: 87+1=88, Resulting Numbers: [88] 88,34 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:[87, 127], Operations: ['96-32=64', '63+64=127'] Exploring Operation: 127-87=40, Resulting Numbers: [40] 40,34 unequal: No Solution Exploring Operation: 87+127=214, Resulting Numbers: [214] 214,34 unequal: No Solution Exploring Operation: 87*127=11049, Resulting Numbers: [11049] 11049,34 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 #0,2,3 Current State: 34:[64, 150], Operations: ['96-32=64', '63+87=150'] Exploring Operation: 64*150=9600, Resulting Numbers: [9600] 9600,34 unequal: No Solution Exploring Operation: 150-64=86, Resulting Numbers: [86] 86,34 unequal: No Solution Exploring Operation: 64+150=214, Resulting Numbers: [214] 214,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 34:[3, 24], Operations: ['96/32=3', '87-63=24'] Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,34 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,34 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,34 unequal: No Solution Moving to Node #0,1,2 Current State: 34:[63, 29], Operations: ['96/32=3', '87/3=29'] Exploring Operation: 63-29=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[32, 96, 63, 87], Operations: [] Exploring Operation: 96/32=3, Resulting Numbers: [63, 87, 3] Generated Node #0,1: 34:[63, 87, 3] Operation: 96/32=3 Moving to Node #0,1 Current State: 34:[63, 87, 3], Operations: ['96/32=3'] Exploring Operation: 87/3=29, Resulting Numbers: [63, 29] Generated Node #0,1,2: 34:[63, 29] Operation: 87/3=29 Moving to Node #0,1,2 Current State: 34:[63, 29], Operations: ['96/32=3', '87/3=29'] Exploring Operation: 63-29=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
0.909722
hs_5
mult_heuristic
[ 12, 32, 39, 20 ]
14
[ "12*39=468", "468-20=448", "448/32=14" ]
Current State: 14:[12, 32, 39, 20], Operations: [] Exploring Operation: 12*39=468, Resulting Numbers: [32, 20, 468] Generated Node #2: [32, 20, 468] from Operation: 12*39=468 Current State: 14:[32, 20, 468], Operations: ['12*39=468'] Exploring Operation: 468-20=448, Resulting Numbers: [32, 448] Generated Node #3: [32, 448] from Operation: 468-20=448 Current State: 14:[32, 448], Operations: ['12*39=468', '468-20=448'] Exploring Operation: 448/32=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[12, 32, 39, 20], Operations: [] Exploring Operation: 32-20=12, Resulting Numbers: [12, 39, 12] Generated Node #0,0: 14:[12, 39, 12] Operation: 32-20=12 Exploring Operation: 39-32=7, Resulting Numbers: [12, 20, 7] Generated Node #0,1: 14:[12, 20, 7] Operation: 39-32=7 Exploring Operation: 32-12=20, Resulting Numbers: [39, 20, 20] Generated Node #0,2: 14:[39, 20, 20] Operation: 32-12=20 Exploring Operation: 39-20=19, Resulting Numbers: [12, 32, 19] Generated Node #0,3: 14:[12, 32, 19] Operation: 39-20=19 Moving to Node #0,1 Current State: 14:[12, 20, 7], Operations: ['39-32=7'] Exploring Operation: 20-12=8, Resulting Numbers: [7, 8] Generated Node #0,1,0: 14:[7, 8] Operation: 20-12=8 Exploring Operation: 12+7=19, Resulting Numbers: [20, 19] Generated Node #0,1,1: 14:[20, 19] Operation: 12+7=19 Exploring Operation: 20-7=13, Resulting Numbers: [12, 13] Generated Node #0,1,2: 14:[12, 13] Operation: 20-7=13 Exploring Operation: 12-7=5, Resulting Numbers: [20, 5] Generated Node #0,1,3: 14:[20, 5] Operation: 12-7=5 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 14:[7, 8], Operations: ['39-32=7', '20-12=8'] Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,14 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 14:[12, 13], Operations: ['39-32=7', '20-7=13'] Exploring Operation: 12*13=156, Resulting Numbers: [156] 156,14 unequal: No Solution Exploring Operation: 12+13=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 14:[20, 5], Operations: ['39-32=7', '12-7=5'] Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,14 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,14 unequal: No Solution Exploring Operation: 20*5=100, Resulting Numbers: [100] 100,14 unequal: No Solution Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 14:[20, 19], Operations: ['39-32=7', '12+7=19'] Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 20+19=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 20*19=380, Resulting Numbers: [380] 380,14 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: 14:[12, 32, 19], Operations: ['39-20=19'] Exploring Operation: 32-19=13, Resulting Numbers: [12, 13] Generated Node #0,3,0: 14:[12, 13] Operation: 32-19=13 Exploring Operation: 12+32=44, Resulting Numbers: [19, 44] Generated Node #0,3,1: 14:[19, 44] Operation: 12+32=44 Exploring Operation: 19-12=7, Resulting Numbers: [32, 7] Generated Node #0,3,2: 14:[32, 7] Operation: 19-12=7 Exploring Operation: 32-12=20, Resulting Numbers: [19, 20] Generated Node #0,3,3: 14:[19, 20] Operation: 32-12=20 Moving to Node #0,0 Current State: 14:[12, 39, 12], Operations: ['32-20=12'] Exploring Operation: 39-12=27, Resulting Numbers: [12, 27] Generated Node #0,0,0: 14:[12, 27] Operation: 39-12=27 Exploring Operation: 12/12=1, Resulting Numbers: [39, 1] Generated Node #0,0,1: 14:[39, 1] Operation: 12/12=1 Exploring Operation: 39-12=27, Resulting Numbers: [12, 27] Generated Node #0,0,2: 14:[12, 27] Operation: 39-12=27 Exploring Operation: 12-12=0, Resulting Numbers: [39, 0] Generated Node #0,0,3: 14:[39, 0] Operation: 12-12=0 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 14:[12, 27], Operations: ['32-20=12', '39-12=27'] Exploring Operation: 12+27=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 12*27=324, Resulting Numbers: [324] 324,14 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 14:[12, 27], Operations: ['32-20=12', '39-12=27'] Exploring Operation: 12+27=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,14 unequal: No Solution Exploring Operation: 12*27=324, Resulting Numbers: [324] 324,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 14:[39, 1], Operations: ['32-20=12', '12/12=1'] Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,14 unequal: No Solution Exploring Operation: 39+1=40, Resulting Numbers: [40] 40,14 unequal: No Solution Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 14:[39, 0], Operations: ['32-20=12', '12-12=0'] Exploring Operation: 39-0=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 39+0=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 39*0=0, Resulting Numbers: [0] 0,14 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: 14:[39, 20, 20], Operations: ['32-12=20'] Exploring Operation: 39-20=19, Resulting Numbers: [20, 19] Generated Node #0,2,0: 14:[20, 19] Operation: 39-20=19 Exploring Operation: 20-20=0, Resulting Numbers: [39, 0] Generated Node #0,2,1: 14:[39, 0] Operation: 20-20=0 Exploring Operation: 20/20=1, Resulting Numbers: [39, 1] Generated Node #0,2,2: 14:[39, 1] Operation: 20/20=1 Exploring Operation: 39-20=19, Resulting Numbers: [20, 19] Generated Node #0,2,3: 14:[20, 19] Operation: 39-20=19 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 14:[20, 19], Operations: ['32-12=20', '39-20=19'] Exploring Operation: 20+19=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 20*19=380, Resulting Numbers: [380] 380,14 unequal: No Solution Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 14:[20, 19], Operations: ['32-12=20', '39-20=19'] Exploring Operation: 20+19=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 20*19=380, Resulting Numbers: [380] 380,14 unequal: No Solution Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 14:[39, 1], Operations: ['32-12=20', '20/20=1'] Exploring Operation: 39+1=40, Resulting Numbers: [40] 40,14 unequal: No Solution Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 14:[39, 0], Operations: ['32-12=20', '20-20=0'] Exploring Operation: 39*0=0, Resulting Numbers: [0] 0,14 unequal: No Solution Exploring Operation: 39+0=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 39-0=39, Resulting Numbers: [39] 39,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 14:[12, 13], Operations: ['39-20=19', '32-19=13'] Exploring Operation: 12+13=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 12*13=156, Resulting Numbers: [156] 156,14 unequal: No Solution Moving to Node #0,3,3 Current State: 14:[19, 20], Operations: ['39-20=19', '32-12=20'] Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 19*20=380, Resulting Numbers: [380] 380,14 unequal: No Solution Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,14 unequal: No Solution Moving to Node #0,3,2 Current State: 14:[32, 7], Operations: ['39-20=19', '19-12=7'] Exploring Operation: 32+7=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 32*7=224, Resulting Numbers: [224] 224,14 unequal: No Solution Moving to Node #0,3,1 Current State: 14:[19, 44], Operations: ['39-20=19', '12+32=44'] Exploring Operation: 19+44=63, Resulting Numbers: [63] 63,14 unequal: No Solution Exploring Operation: 19*44=836, Resulting Numbers: [836] 836,14 unequal: No Solution Exploring Operation: 44-19=25, Resulting Numbers: [25] 25,14 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 58, 39, 7, 54 ]
67
[ "58-54=4", "7*4=28", "39+28=67" ]
Current State: 67:[58, 39, 7, 54], Operations: [] Exploring Operation: 58-54=4, Resulting Numbers: [39, 7, 4] Generated Node #2: [39, 7, 4] from Operation: 58-54=4 Current State: 67:[39, 7, 4], Operations: ['58-54=4'] Exploring Operation: 7*4=28, Resulting Numbers: [39, 28] Generated Node #3: [39, 28] from Operation: 7*4=28 Current State: 67:[39, 28], Operations: ['58-54=4', '7*4=28'] Exploring Operation: 39+28=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[58, 39, 7, 54], Operations: [] Exploring Operation: 58-7=51, Resulting Numbers: [39, 54, 51] Generated Node #0,0: 67:[39, 54, 51] Operation: 58-7=51 Exploring Operation: 58+7=65, Resulting Numbers: [39, 54, 65] Generated Node #0,1: 67:[39, 54, 65] Operation: 58+7=65 Exploring Operation: 7+54=61, Resulting Numbers: [58, 39, 61] Generated Node #0,2: 67:[58, 39, 61] Operation: 7+54=61 Exploring Operation: 39+7=46, Resulting Numbers: [58, 54, 46] Generated Node #0,3: 67:[58, 54, 46] Operation: 39+7=46 Moving to Node #0,1 Current State: 67:[39, 54, 65], Operations: ['58+7=65'] Exploring Operation: 39+65=104, Resulting Numbers: [54, 104] Generated Node #0,1,0: 67:[54, 104] Operation: 39+65=104 Exploring Operation: 39+54=93, Resulting Numbers: [65, 93] Generated Node #0,1,1: 67:[65, 93] Operation: 39+54=93 Exploring Operation: 65-39=26, Resulting Numbers: [54, 26] Generated Node #0,1,2: 67:[54, 26] Operation: 65-39=26 Exploring Operation: 54-39=15, Resulting Numbers: [65, 15] Generated Node #0,1,3: 67:[65, 15] Operation: 54-39=15 Moving to Node #0,3 Current State: 67:[58, 54, 46], Operations: ['39+7=46'] Exploring Operation: 58+46=104, Resulting Numbers: [54, 104] Generated Node #0,3,0: 67:[54, 104] Operation: 58+46=104 Exploring Operation: 58-46=12, Resulting Numbers: [54, 12] Generated Node #0,3,1: 67:[54, 12] Operation: 58-46=12 Exploring Operation: 58+54=112, Resulting Numbers: [46, 112] Generated Node #0,3,2: 67:[46, 112] Operation: 58+54=112 Exploring Operation: 54+46=100, Resulting Numbers: [58, 100] Generated Node #0,3,3: 67:[58, 100] Operation: 54+46=100 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 67:[58, 100], Operations: ['39+7=46', '54+46=100'] Exploring Operation: 100-58=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 58+100=158, Resulting Numbers: [158] 158,67 unequal: No Solution Exploring Operation: 58*100=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 #0,3,0 Current State: 67:[54, 104], Operations: ['39+7=46', '58+46=104'] Exploring Operation: 104-54=50, Resulting Numbers: [50] 50,67 unequal: No Solution Exploring Operation: 54*104=5616, Resulting Numbers: [5616] 5616,67 unequal: No Solution Exploring Operation: 54+104=158, Resulting Numbers: [158] 158,67 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:[46, 112], Operations: ['39+7=46', '58+54=112'] Exploring Operation: 46+112=158, Resulting Numbers: [158] 158,67 unequal: No Solution Exploring Operation: 112-46=66, Resulting Numbers: [66] 66,67 unequal: No Solution Exploring Operation: 46*112=5152, Resulting Numbers: [5152] 5152,67 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:[54, 12], Operations: ['39+7=46', '58-46=12'] Exploring Operation: 54-12=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 54+12=66, Resulting Numbers: [66] 66,67 unequal: No Solution Exploring Operation: 54*12=648, Resulting Numbers: [648] 648,67 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:[58, 39, 61], Operations: ['7+54=61'] Exploring Operation: 39+61=100, Resulting Numbers: [58, 100] Generated Node #0,2,0: 67:[58, 100] Operation: 39+61=100 Exploring Operation: 58+39=97, Resulting Numbers: [61, 97] Generated Node #0,2,1: 67:[61, 97] Operation: 58+39=97 Exploring Operation: 61-39=22, Resulting Numbers: [58, 22] Generated Node #0,2,2: 67:[58, 22] Operation: 61-39=22 Exploring Operation: 58-39=19, Resulting Numbers: [61, 19] Generated Node #0,2,3: 67:[61, 19] Operation: 58-39=19 Moving to Node #0,0 Current State: 67:[39, 54, 51], Operations: ['58-7=51'] Exploring Operation: 39+54=93, Resulting Numbers: [51, 93] Generated Node #0,0,0: 67:[51, 93] Operation: 39+54=93 Exploring Operation: 39+51=90, Resulting Numbers: [54, 90] Generated Node #0,0,1: 67:[54, 90] Operation: 39+51=90 Exploring Operation: 54-39=15, Resulting Numbers: [51, 15] Generated Node #0,0,2: 67:[51, 15] Operation: 54-39=15 Exploring Operation: 54+51=105, Resulting Numbers: [39, 105] Generated Node #0,0,3: 67:[39, 105] Operation: 54+51=105 Moving to Node #0,1,1 Current State: 67:[65, 93], Operations: ['58+7=65', '39+54=93'] Exploring Operation: 65+93=158, Resulting Numbers: [158] 158,67 unequal: No Solution Exploring Operation: 93-65=28, Resulting Numbers: [28] 28,67 unequal: No Solution Exploring Operation: 65*93=6045, Resulting Numbers: [6045] 6045,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[61, 97], Operations: ['7+54=61', '58+39=97'] Exploring Operation: 61+97=158, Resulting Numbers: [158] 158,67 unequal: No Solution Exploring Operation: 97-61=36, Resulting Numbers: [36] 36,67 unequal: No Solution Exploring Operation: 61*97=5917, Resulting Numbers: [5917] 5917,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[54, 90], Operations: ['58-7=51', '39+51=90'] Exploring Operation: 90-54=36, Resulting Numbers: [36] 36,67 unequal: No Solution Exploring Operation: 54*90=4860, Resulting Numbers: [4860] 4860,67 unequal: No Solution Exploring Operation: 54+90=144, Resulting Numbers: [144] 144,67 unequal: No Solution Moving to Node #0,2,0 Current State: 67:[58, 100], Operations: ['7+54=61', '39+61=100'] Exploring Operation: 58*100=5800, Resulting Numbers: [5800] 5800,67 unequal: No Solution Exploring Operation: 58+100=158, Resulting Numbers: [158] 158,67 unequal: No Solution Exploring Operation: 100-58=42, Resulting Numbers: [42] 42,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[51, 93], Operations: ['58-7=51', '39+54=93'] Exploring Operation: 51*93=4743, Resulting Numbers: [4743] 4743,67 unequal: No Solution Exploring Operation: 51+93=144, Resulting Numbers: [144] 144,67 unequal: No Solution Exploring Operation: 93-51=42, Resulting Numbers: [42] 42,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[54, 104], Operations: ['58+7=65', '39+65=104'] Exploring Operation: 54+104=158, Resulting Numbers: [158] 158,67 unequal: No Solution Exploring Operation: 54*104=5616, Resulting Numbers: [5616] 5616,67 unequal: No Solution Exploring Operation: 104-54=50, Resulting Numbers: [50] 50,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[58, 22], Operations: ['7+54=61', '61-39=22'] Exploring Operation: 58*22=1276, Resulting Numbers: [1276] 1276,67 unequal: No Solution Exploring Operation: 58+22=80, Resulting Numbers: [80] 80,67 unequal: No Solution Exploring Operation: 58-22=36, Resulting Numbers: [36] 36,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[54, 26], Operations: ['58+7=65', '65-39=26'] Exploring Operation: 54-26=28, Resulting Numbers: [28] 28,67 unequal: No Solution Exploring Operation: 54*26=1404, Resulting Numbers: [1404] 1404,67 unequal: No Solution Exploring Operation: 54+26=80, Resulting Numbers: [80] 80,67 unequal: No Solution Moving to Node #0,1,3 Current State: 67:[65, 15], Operations: ['58+7=65', '54-39=15'] Exploring Operation: 65-15=50, Resulting Numbers: [50] 50,67 unequal: No Solution Exploring Operation: 65+15=80, Resulting Numbers: [80] 80,67 unequal: No Solution Exploring Operation: 65*15=975, Resulting Numbers: [975] 975,67 unequal: No Solution Moving to Node #0,2,3 Current State: 67:[61, 19], Operations: ['7+54=61', '58-39=19'] Exploring Operation: 61-19=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 61*19=1159, Resulting Numbers: [1159] 1159,67 unequal: No Solution Exploring Operation: 61+19=80, Resulting Numbers: [80] 80,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[39, 105], Operations: ['58-7=51', '54+51=105'] Exploring Operation: 105-39=66, Resulting Numbers: [66] 66,67 unequal: No Solution Exploring Operation: 39*105=4095, Resulting Numbers: [4095] 4095,67 unequal: No Solution Exploring Operation: 39+105=144, Resulting Numbers: [144] 144,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[51, 15], Operations: ['58-7=51', '54-39=15'] Exploring Operation: 51*15=765, Resulting Numbers: [765] 765,67 unequal: No Solution Exploring Operation: 51-15=36, Resulting Numbers: [36] 36,67 unequal: No Solution Exploring Operation: 51+15=66, Resulting Numbers: [66] 66,67 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 82, 90, 10, 41 ]
82
[ "90-82=8", "10-8=2", "41*2=82" ]
Current State: 82:[82, 90, 10, 41], Operations: [] Exploring Operation: 90-82=8, Resulting Numbers: [10, 41, 8] Generated Node #2: [10, 41, 8] from Operation: 90-82=8 Current State: 82:[10, 41, 8], Operations: ['90-82=8'] Exploring Operation: 10-8=2, Resulting Numbers: [41, 2] Generated Node #3: [41, 2] from Operation: 10-8=2 Current State: 82:[41, 2], Operations: ['90-82=8', '10-8=2'] Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[82, 90, 10, 41], Operations: [] Exploring Operation: 90-10=80, Resulting Numbers: [82, 41, 80] Generated Node #0,0: 82:[82, 41, 80] Operation: 90-10=80 Exploring Operation: 90-82=8, Resulting Numbers: [10, 41, 8] Generated Node #0,1: 82:[10, 41, 8] Operation: 90-82=8 Exploring Operation: 90/10=9, Resulting Numbers: [82, 41, 9] Generated Node #0,2: 82:[82, 41, 9] Operation: 90/10=9 Moving to Node #0,0 Current State: 82:[82, 41, 80], Operations: ['90-10=80'] Exploring Operation: 82-41=41, Resulting Numbers: [80, 41] Generated Node #0,0,0: 82:[80, 41] Operation: 82-41=41 Exploring Operation: 82-80=2, Resulting Numbers: [41, 2] Generated Node #0,0,1: 82:[41, 2] Operation: 82-80=2 Exploring Operation: 82/41=2, Resulting Numbers: [80, 2] Generated Node #0,0,2: 82:[80, 2] Operation: 82/41=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 82:[41, 2], Operations: ['90-10=80', '82-80=2'] Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,82 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,82 unequal: No Solution Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[82, 90, 10, 41], Operations: [] Exploring Operation: 90-10=80, Resulting Numbers: [82, 41, 80] Generated Node #0,0: 82:[82, 41, 80] Operation: 90-10=80 Moving to Node #0,0 Current State: 82:[82, 41, 80], Operations: ['90-10=80'] Exploring Operation: 82-80=2, Resulting Numbers: [41, 2] Generated Node #0,0,1: 82:[41, 2] Operation: 82-80=2 Moving to Node #0,0,1 Current State: 82:[41, 2], Operations: ['90-10=80', '82-80=2'] Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 74, 8, 5, 55 ]
77
[ "74-8=66", "55/5=11", "66+11=77" ]
Current State: 77:[74, 8, 5, 55], Operations: [] Exploring Operation: 74-8=66, Resulting Numbers: [5, 55, 66] Generated Node #2: [5, 55, 66] from Operation: 74-8=66 Current State: 77:[5, 55, 66], Operations: ['74-8=66'] Exploring Operation: 55/5=11, Resulting Numbers: [66, 11] Generated Node #3: [66, 11] from Operation: 55/5=11 Current State: 77:[66, 11], Operations: ['74-8=66', '55/5=11'] Exploring Operation: 66+11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[74, 8, 5, 55], Operations: [] Exploring Operation: 74-55=19, Resulting Numbers: [8, 5, 19] Generated Node #0,0: 77:[8, 5, 19] Operation: 74-55=19 Exploring Operation: 55/5=11, Resulting Numbers: [74, 8, 11] Generated Node #0,1: 77:[74, 8, 11] Operation: 55/5=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[74, 8, 11], Operations: ['55/5=11'] Exploring Operation: 74+8=82, Resulting Numbers: [11, 82] Generated Node #0,1,0: 77:[11, 82] Operation: 74+8=82 Exploring Operation: 11-8=3, Resulting Numbers: [74, 3] Generated Node #0,1,1: 77:[74, 3] Operation: 11-8=3 Moving to Node #0,1,0 Current State: 77:[11, 82], Operations: ['55/5=11', '74+8=82'] Exploring Operation: 82-11=71, Resulting Numbers: [71] 71,77 unequal: No Solution Exploring Operation: 11+82=93, Resulting Numbers: [93] 93,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[74, 3], Operations: ['55/5=11', '11-8=3'] Exploring Operation: 74+3=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[74, 8, 5, 55], Operations: [] Exploring Operation: 55/5=11, Resulting Numbers: [74, 8, 11] Generated Node #0,1: 77:[74, 8, 11] Operation: 55/5=11 Moving to Node #0,1 Current State: 77:[74, 8, 11], Operations: ['55/5=11'] Exploring Operation: 11-8=3, Resulting Numbers: [74, 3] Generated Node #0,1,1: 77:[74, 3] Operation: 11-8=3 Moving to Node #0,1,1 Current State: 77:[74, 3], Operations: ['55/5=11', '11-8=3'] Exploring Operation: 74+3=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 59, 68, 5, 54 ]
58
[ "68-59=9", "54-5=49", "9+49=58" ]
Current State: 58:[59, 68, 5, 54], Operations: [] Exploring Operation: 68-59=9, Resulting Numbers: [5, 54, 9] Generated Node #2: [5, 54, 9] from Operation: 68-59=9 Current State: 58:[5, 54, 9], Operations: ['68-59=9'] Exploring Operation: 54-5=49, Resulting Numbers: [9, 49] Generated Node #3: [9, 49] from Operation: 54-5=49 Current State: 58:[9, 49], Operations: ['68-59=9', '54-5=49'] Exploring Operation: 9+49=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[59, 68, 5, 54], Operations: [] Exploring Operation: 68-59=9, Resulting Numbers: [5, 54, 9] Generated Node #0,0: 58:[5, 54, 9] Operation: 68-59=9 Exploring Operation: 5+54=59, Resulting Numbers: [59, 68, 59] Generated Node #0,1: 58:[59, 68, 59] Operation: 5+54=59 Exploring Operation: 68-5=63, Resulting Numbers: [59, 54, 63] Generated Node #0,2: 58:[59, 54, 63] Operation: 68-5=63 Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[59, 54, 63], Operations: ['68-5=63'] Exploring Operation: 59-54=5, Resulting Numbers: [63, 5] Generated Node #0,2,0: 58:[63, 5] Operation: 59-54=5 Exploring Operation: 63-54=9, Resulting Numbers: [59, 9] Generated Node #0,2,1: 58:[59, 9] Operation: 63-54=9 Exploring Operation: 63-59=4, Resulting Numbers: [54, 4] Generated Node #0,2,2: 58:[54, 4] Operation: 63-59=4 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 58:[54, 4], Operations: ['68-5=63', '63-59=4'] Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[59, 68, 5, 54], Operations: [] Exploring Operation: 68-5=63, Resulting Numbers: [59, 54, 63] Generated Node #0,2: 58:[59, 54, 63] Operation: 68-5=63 Moving to Node #0,2 Current State: 58:[59, 54, 63], Operations: ['68-5=63'] Exploring Operation: 63-59=4, Resulting Numbers: [54, 4] Generated Node #0,2,2: 58:[54, 4] Operation: 63-59=4 Moving to Node #0,2,2 Current State: 58:[54, 4], Operations: ['68-5=63', '63-59=4'] Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 32, 82, 49, 24 ]
75
[ "82-32=50", "49-24=25", "50+25=75" ]
Current State: 75:[32, 82, 49, 24], Operations: [] Exploring Operation: 82-32=50, Resulting Numbers: [49, 24, 50] Generated Node #2: [49, 24, 50] from Operation: 82-32=50 Current State: 75:[49, 24, 50], Operations: ['82-32=50'] Exploring Operation: 49-24=25, Resulting Numbers: [50, 25] Generated Node #3: [50, 25] from Operation: 49-24=25 Current State: 75:[50, 25], Operations: ['82-32=50', '49-24=25'] Exploring Operation: 50+25=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[32, 82, 49, 24], Operations: [] Exploring Operation: 82-49=33, Resulting Numbers: [32, 24, 33] Generated Node #0,0: 75:[32, 24, 33] Operation: 82-49=33 Exploring Operation: 49-24=25, Resulting Numbers: [32, 82, 25] Generated Node #0,1: 75:[32, 82, 25] Operation: 49-24=25 Exploring Operation: 49-32=17, Resulting Numbers: [82, 24, 17] Generated Node #0,2: 75:[82, 24, 17] Operation: 49-32=17 Exploring Operation: 49+24=73, Resulting Numbers: [32, 82, 73] Generated Node #0,3: 75:[32, 82, 73] Operation: 49+24=73 Exploring Operation: 32+49=81, Resulting Numbers: [82, 24, 81] Generated Node #0,4: 75:[82, 24, 81] Operation: 32+49=81 Moving to Node #0,2 Current State: 75:[82, 24, 17], Operations: ['49-32=17'] Exploring Operation: 82-17=65, Resulting Numbers: [24, 65] Generated Node #0,2,0: 75:[24, 65] Operation: 82-17=65 Exploring Operation: 82-24=58, Resulting Numbers: [17, 58] Generated Node #0,2,1: 75:[17, 58] Operation: 82-24=58 Exploring Operation: 24+17=41, Resulting Numbers: [82, 41] Generated Node #0,2,2: 75:[82, 41] Operation: 24+17=41 Exploring Operation: 24-17=7, Resulting Numbers: [82, 7] Generated Node #0,2,3: 75:[82, 7] Operation: 24-17=7 Exploring Operation: 82+17=99, Resulting Numbers: [24, 99] Generated Node #0,2,4: 75:[24, 99] Operation: 82+17=99 Moving to Node #0,4 Current State: 75:[82, 24, 81], Operations: ['32+49=81'] Exploring Operation: 82+24=106, Resulting Numbers: [81, 106] Generated Node #0,4,0: 75:[81, 106] Operation: 82+24=106 Exploring Operation: 82-24=58, Resulting Numbers: [81, 58] Generated Node #0,4,1: 75:[81, 58] Operation: 82-24=58 Exploring Operation: 81-24=57, Resulting Numbers: [82, 57] Generated Node #0,4,2: 75:[82, 57] Operation: 81-24=57 Exploring Operation: 82-81=1, Resulting Numbers: [24, 1] Generated Node #0,4,3: 75:[24, 1] Operation: 82-81=1 Exploring Operation: 24+81=105, Resulting Numbers: [82, 105] Generated Node #0,4,4: 75:[82, 105] Operation: 24+81=105 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 75:[24, 1], Operations: ['32+49=81', '82-81=1'] Exploring Operation: 24/1=24, Resulting Numbers: [24] 24,75 unequal: No Solution Exploring Operation: 24+1=25, Resulting Numbers: [25] 25,75 unequal: No Solution Exploring Operation: 24-1=23, Resulting Numbers: [23] 23,75 unequal: No Solution Exploring Operation: 24*1=24, Resulting Numbers: [24] 24,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 75:[81, 58], Operations: ['32+49=81', '82-24=58'] Exploring Operation: 81+58=139, Resulting Numbers: [139] 139,75 unequal: No Solution Exploring Operation: 81*58=4698, Resulting Numbers: [4698] 4698,75 unequal: No Solution Exploring Operation: 81-58=23, Resulting Numbers: [23] 23,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 75:[82, 57], Operations: ['32+49=81', '81-24=57'] Exploring Operation: 82-57=25, Resulting Numbers: [25] 25,75 unequal: No Solution Exploring Operation: 82+57=139, Resulting Numbers: [139] 139,75 unequal: No Solution Exploring Operation: 82*57=4674, Resulting Numbers: [4674] 4674,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 75:[81, 106], Operations: ['32+49=81', '82+24=106'] Exploring Operation: 81+106=187, Resulting Numbers: [187] 187,75 unequal: No Solution Exploring Operation: 106-81=25, Resulting Numbers: [25] 25,75 unequal: No Solution Exploring Operation: 81*106=8586, Resulting Numbers: [8586] 8586,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 75:[82, 105], Operations: ['32+49=81', '24+81=105'] Exploring Operation: 105-82=23, Resulting Numbers: [23] 23,75 unequal: No Solution Exploring Operation: 82+105=187, Resulting Numbers: [187] 187,75 unequal: No Solution Exploring Operation: 82*105=8610, Resulting Numbers: [8610] 8610,75 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: 75:[32, 82, 25], Operations: ['49-24=25'] Exploring Operation: 32+25=57, Resulting Numbers: [82, 57] Generated Node #0,1,0: 75:[82, 57] Operation: 32+25=57 Exploring Operation: 32+82=114, Resulting Numbers: [25, 114] Generated Node #0,1,1: 75:[25, 114] Operation: 32+82=114 Exploring Operation: 32-25=7, Resulting Numbers: [82, 7] Generated Node #0,1,2: 75:[82, 7] Operation: 32-25=7 Exploring Operation: 82-32=50, Resulting Numbers: [25, 50] Generated Node #0,1,3: 75:[25, 50] Operation: 82-32=50 Exploring Operation: 82-25=57, Resulting Numbers: [32, 57] Generated Node #0,1,4: 75:[32, 57] Operation: 82-25=57 Moving to Node #0,0 Current State: 75:[32, 24, 33], Operations: ['82-49=33'] Exploring Operation: 32-24=8, Resulting Numbers: [33, 8] Generated Node #0,0,0: 75:[33, 8] Operation: 32-24=8 Exploring Operation: 32+33=65, Resulting Numbers: [24, 65] Generated Node #0,0,1: 75:[24, 65] Operation: 32+33=65 Exploring Operation: 33-24=9, Resulting Numbers: [32, 9] Generated Node #0,0,2: 75:[32, 9] Operation: 33-24=9 Exploring Operation: 33-32=1, Resulting Numbers: [24, 1] Generated Node #0,0,3: 75:[24, 1] Operation: 33-32=1 Exploring Operation: 24+33=57, Resulting Numbers: [32, 57] Generated Node #0,0,4: 75:[32, 57] Operation: 24+33=57 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 75:[24, 1], Operations: ['82-49=33', '33-32=1'] Exploring Operation: 24+1=25, Resulting Numbers: [25] 25,75 unequal: No Solution Exploring Operation: 24*1=24, Resulting Numbers: [24] 24,75 unequal: No Solution Exploring Operation: 24/1=24, Resulting Numbers: [24] 24,75 unequal: No Solution Exploring Operation: 24-1=23, Resulting Numbers: [23] 23,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 75:[33, 8], Operations: ['82-49=33', '32-24=8'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,75 unequal: No Solution Exploring Operation: 33*8=264, Resulting Numbers: [264] 264,75 unequal: No Solution Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 75:[24, 65], Operations: ['82-49=33', '32+33=65'] Exploring Operation: 24*65=1560, Resulting Numbers: [1560] 1560,75 unequal: No Solution Exploring Operation: 24+65=89, Resulting Numbers: [89] 89,75 unequal: No Solution Exploring Operation: 65-24=41, Resulting Numbers: [41] 41,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 75:[32, 9], Operations: ['82-49=33', '33-24=9'] Exploring Operation: 32+9=41, Resulting Numbers: [41] 41,75 unequal: No Solution Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,75 unequal: No Solution Exploring Operation: 32*9=288, Resulting Numbers: [288] 288,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 75:[32, 57], Operations: ['82-49=33', '24+33=57'] Exploring Operation: 57-32=25, Resulting Numbers: [25] 25,75 unequal: No Solution Exploring Operation: 32+57=89, Resulting Numbers: [89] 89,75 unequal: No Solution Exploring Operation: 32*57=1824, Resulting Numbers: [1824] 1824,75 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: 75:[32, 82, 73], Operations: ['49+24=73'] Exploring Operation: 32+82=114, Resulting Numbers: [73, 114] Generated Node #0,3,0: 75:[73, 114] Operation: 32+82=114 Exploring Operation: 82-73=9, Resulting Numbers: [32, 9] Generated Node #0,3,1: 75:[32, 9] Operation: 82-73=9 Exploring Operation: 82-32=50, Resulting Numbers: [73, 50] Generated Node #0,3,2: 75:[73, 50] Operation: 82-32=50 Exploring Operation: 73-32=41, Resulting Numbers: [82, 41] Generated Node #0,3,3: 75:[82, 41] Operation: 73-32=41 Exploring Operation: 32+73=105, Resulting Numbers: [82, 105] Generated Node #0,3,4: 75:[82, 105] Operation: 32+73=105 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 75:[32, 9], Operations: ['49+24=73', '82-73=9'] Exploring Operation: 32+9=41, Resulting Numbers: [41] 41,75 unequal: No Solution Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,75 unequal: No Solution Exploring Operation: 32*9=288, Resulting Numbers: [288] 288,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 75:[82, 41], Operations: ['49+24=73', '73-32=41'] Exploring Operation: 82/41=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 82-41=41, Resulting Numbers: [41] 41,75 unequal: No Solution Exploring Operation: 82*41=3362, Resulting Numbers: [3362] 3362,75 unequal: No Solution Exploring Operation: 82+41=123, Resulting Numbers: [123] 123,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 75:[73, 50], Operations: ['49+24=73', '82-32=50'] Exploring Operation: 73+50=123, Resulting Numbers: [123] 123,75 unequal: No Solution Exploring Operation: 73*50=3650, Resulting Numbers: [3650] 3650,75 unequal: No Solution Exploring Operation: 73-50=23, Resulting Numbers: [23] 23,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 75:[82, 105], Operations: ['49+24=73', '32+73=105'] Exploring Operation: 105-82=23, Resulting Numbers: [23] 23,75 unequal: No Solution Exploring Operation: 82+105=187, Resulting Numbers: [187] 187,75 unequal: No Solution Exploring Operation: 82*105=8610, Resulting Numbers: [8610] 8610,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 75:[73, 114], Operations: ['49+24=73', '32+82=114'] Exploring Operation: 73*114=8322, Resulting Numbers: [8322] 8322,75 unequal: No Solution Exploring Operation: 114-73=41, Resulting Numbers: [41] 41,75 unequal: No Solution Exploring Operation: 73+114=187, Resulting Numbers: [187] 187,75 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: 75:[82, 7], Operations: ['49-32=17', '24-17=7'] Exploring Operation: 82+7=89, Resulting Numbers: [89] 89,75 unequal: No Solution Exploring Operation: 82*7=574, Resulting Numbers: [574] 574,75 unequal: No Solution Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[32, 82, 49, 24], Operations: [] Exploring Operation: 49-32=17, Resulting Numbers: [82, 24, 17] Generated Node #0,2: 75:[82, 24, 17] Operation: 49-32=17 Moving to Node #0,2 Current State: 75:[82, 24, 17], Operations: ['49-32=17'] Exploring Operation: 24-17=7, Resulting Numbers: [82, 7] Generated Node #0,2,3: 75:[82, 7] Operation: 24-17=7 Moving to Node #0,2,3 Current State: 75:[82, 7], Operations: ['49-32=17', '24-17=7'] Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
0.926215
hs_5
sum_heuristic
[ 8, 37, 42, 43 ]
32
[ "37+43=80", "80/8=10", "42-10=32" ]
Current State: 32:[8, 37, 42, 43], Operations: [] Exploring Operation: 37+43=80, Resulting Numbers: [8, 42, 80] Generated Node #2: [8, 42, 80] from Operation: 37+43=80 Current State: 32:[8, 42, 80], Operations: ['37+43=80'] Exploring Operation: 80/8=10, Resulting Numbers: [42, 10] Generated Node #3: [42, 10] from Operation: 80/8=10 Current State: 32:[42, 10], Operations: ['37+43=80', '80/8=10'] Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[8, 37, 42, 43], Operations: [] Exploring Operation: 43-8=35, Resulting Numbers: [37, 42, 35] Generated Node #0,0: 32:[37, 42, 35] Operation: 43-8=35 Exploring Operation: 43-37=6, Resulting Numbers: [8, 42, 6] Generated Node #0,1: 32:[8, 42, 6] Operation: 43-37=6 Exploring Operation: 42-37=5, Resulting Numbers: [8, 43, 5] Generated Node #0,2: 32:[8, 43, 5] Operation: 42-37=5 Exploring Operation: 42-8=34, Resulting Numbers: [37, 43, 34] Generated Node #0,3: 32:[37, 43, 34] Operation: 42-8=34 Exploring Operation: 43-42=1, Resulting Numbers: [8, 37, 1] Generated Node #0,4: 32:[8, 37, 1] Operation: 43-42=1 Moving to Node #0,4 Current State: 32:[8, 37, 1], Operations: ['43-42=1'] Exploring Operation: 37*1=37, Resulting Numbers: [8, 37] Generated Node #0,4,0: 32:[8, 37] Operation: 37*1=37 Exploring Operation: 8/1=8, Resulting Numbers: [37, 8] Generated Node #0,4,1: 32:[37, 8] Operation: 8/1=8 Exploring Operation: 8*1=8, Resulting Numbers: [37, 8] Generated Node #0,4,2: 32:[37, 8] Operation: 8*1=8 Exploring Operation: 37-8=29, Resulting Numbers: [1, 29] Generated Node #0,4,3: 32:[1, 29] Operation: 37-8=29 Exploring Operation: 37-1=36, Resulting Numbers: [8, 36] Generated Node #0,4,4: 32:[8, 36] Operation: 37-1=36 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 32:[1, 29], Operations: ['43-42=1', '37-8=29'] Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 1+29=30, Resulting Numbers: [30] 30,32 unequal: No Solution Exploring Operation: 1*29=29, Resulting Numbers: [29] 29,32 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,32 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 #0,4,4 Current State: 32:[8, 36], Operations: ['43-42=1', '37-1=36'] Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,32 unequal: No Solution Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,32 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 #0,4,0 Current State: 32:[8, 37], Operations: ['43-42=1', '37*1=37'] Exploring Operation: 37-8=29, Resulting Numbers: [29] 29,32 unequal: No Solution Exploring Operation: 8*37=296, Resulting Numbers: [296] 296,32 unequal: No Solution Exploring Operation: 8+37=45, Resulting Numbers: [45] 45,32 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 #0,4,1 Current State: 32:[37, 8], Operations: ['43-42=1', '8/1=8'] Exploring Operation: 37-8=29, Resulting Numbers: [29] 29,32 unequal: No Solution Exploring Operation: 37*8=296, Resulting Numbers: [296] 296,32 unequal: No Solution Exploring Operation: 37+8=45, Resulting Numbers: [45] 45,32 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 #0,4,2 Current State: 32:[37, 8], Operations: ['43-42=1', '8*1=8'] Exploring Operation: 37*8=296, Resulting Numbers: [296] 296,32 unequal: No Solution Exploring Operation: 37+8=45, Resulting Numbers: [45] 45,32 unequal: No Solution Exploring Operation: 37-8=29, Resulting Numbers: [29] 29,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 32:[8, 43, 5], Operations: ['42-37=5'] Exploring Operation: 43-8=35, Resulting Numbers: [5, 35] Generated Node #0,2,0: 32:[5, 35] Operation: 43-8=35 Exploring Operation: 43-5=38, Resulting Numbers: [8, 38] Generated Node #0,2,1: 32:[8, 38] Operation: 43-5=38 Exploring Operation: 43+5=48, Resulting Numbers: [8, 48] Generated Node #0,2,2: 32:[8, 48] Operation: 43+5=48 Exploring Operation: 8-5=3, Resulting Numbers: [43, 3] Generated Node #0,2,3: 32:[43, 3] Operation: 8-5=3 Exploring Operation: 8+5=13, Resulting Numbers: [43, 13] Generated Node #0,2,4: 32:[43, 13] Operation: 8+5=13 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 32:[5, 35], Operations: ['42-37=5', '43-8=35'] Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 5+35=40, Resulting Numbers: [40] 40,32 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,32 unequal: No Solution Exploring Operation: 5*35=175, Resulting Numbers: [175] 175,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 32:[8, 38], Operations: ['42-37=5', '43-5=38'] Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,32 unequal: No Solution Exploring Operation: 8+38=46, Resulting Numbers: [46] 46,32 unequal: No Solution Exploring Operation: 8*38=304, Resulting Numbers: [304] 304,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 32:[43, 3], Operations: ['42-37=5', '8-5=3'] Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,32 unequal: No Solution Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,32 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 32:[43, 13], Operations: ['42-37=5', '8+5=13'] Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,32 unequal: No Solution Exploring Operation: 43*13=559, Resulting Numbers: [559] 559,32 unequal: No Solution Exploring Operation: 43+13=56, Resulting Numbers: [56] 56,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 32:[8, 48], Operations: ['42-37=5', '43+5=48'] Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,32 unequal: No Solution Exploring Operation: 8+48=56, Resulting Numbers: [56] 56,32 unequal: No Solution Exploring Operation: 8*48=384, Resulting Numbers: [384] 384,32 unequal: No Solution Exploring Operation: 48/8=6, Resulting Numbers: [6] 6,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 32:[8, 42, 6], Operations: ['43-37=6'] Exploring Operation: 8+6=14, Resulting Numbers: [42, 14] Generated Node #0,1,0: 32:[42, 14] Operation: 8+6=14 Exploring Operation: 42/6=7, Resulting Numbers: [8, 7] Generated Node #0,1,1: 32:[8, 7] Operation: 42/6=7 Exploring Operation: 8-6=2, Resulting Numbers: [42, 2] Generated Node #0,1,2: 32:[42, 2] Operation: 8-6=2 Exploring Operation: 42-6=36, Resulting Numbers: [8, 36] Generated Node #0,1,3: 32:[8, 36] Operation: 42-6=36 Exploring Operation: 42-8=34, Resulting Numbers: [6, 34] Generated Node #0,1,4: 32:[6, 34] Operation: 42-8=34 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 32:[8, 7], Operations: ['43-37=6', '42/6=7'] Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,32 unequal: No Solution Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 32:[8, 36], Operations: ['43-37=6', '42-6=36'] Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 32:[6, 34], Operations: ['43-37=6', '42-8=34'] Exploring Operation: 6+34=40, Resulting Numbers: [40] 40,32 unequal: No Solution Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 6*34=204, Resulting Numbers: [204] 204,32 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:[42, 2], Operations: ['43-37=6', '8-6=2'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,32 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,32 unequal: No Solution Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,32 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 #0,1,0 Current State: 32:[42, 14], Operations: ['43-37=6', '8+6=14'] Exploring Operation: 42-14=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 42*14=588, Resulting Numbers: [588] 588,32 unequal: No Solution Exploring Operation: 42+14=56, Resulting Numbers: [56] 56,32 unequal: No Solution Exploring Operation: 42/14=3, Resulting Numbers: [3] 3,32 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:[37, 42, 35], Operations: ['43-8=35'] Exploring Operation: 42-37=5, Resulting Numbers: [35, 5] Generated Node #0,0,0: 32:[35, 5] Operation: 42-37=5 Exploring Operation: 37+42=79, Resulting Numbers: [35, 79] Generated Node #0,0,1: 32:[35, 79] Operation: 37+42=79 Exploring Operation: 37+35=72, Resulting Numbers: [42, 72] Generated Node #0,0,2: 32:[42, 72] Operation: 37+35=72 Exploring Operation: 42-35=7, Resulting Numbers: [37, 7] Generated Node #0,0,3: 32:[37, 7] Operation: 42-35=7 Exploring Operation: 37-35=2, Resulting Numbers: [42, 2] Generated Node #0,0,4: 32:[42, 2] Operation: 37-35=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[35, 5], Operations: ['43-8=35', '42-37=5'] Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,32 unequal: No Solution Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,32 unequal: No Solution Exploring Operation: 35*5=175, Resulting Numbers: [175] 175,32 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 32:[37, 7], Operations: ['43-8=35', '42-35=7'] Exploring Operation: 37*7=259, Resulting Numbers: [259] 259,32 unequal: No Solution Exploring Operation: 37+7=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 32:[42, 2], Operations: ['43-8=35', '37-35=2'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,32 unequal: No Solution Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,32 unequal: No Solution Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 32:[35, 79], Operations: ['43-8=35', '37+42=79'] Exploring Operation: 79-35=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 35+79=114, Resulting Numbers: [114] 114,32 unequal: No Solution Exploring Operation: 35*79=2765, Resulting Numbers: [2765] 2765,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 32:[42, 72], Operations: ['43-8=35', '37+35=72'] Exploring Operation: 42+72=114, Resulting Numbers: [114] 114,32 unequal: No Solution Exploring Operation: 42*72=3024, Resulting Numbers: [3024] 3024,32 unequal: No Solution Exploring Operation: 72-42=30, Resulting Numbers: [30] 30,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 32:[37, 43, 34], Operations: ['42-8=34'] Exploring Operation: 43-34=9, Resulting Numbers: [37, 9] Generated Node #0,3,0: 32:[37, 9] Operation: 43-34=9 Exploring Operation: 37+43=80, Resulting Numbers: [34, 80] Generated Node #0,3,1: 32:[34, 80] Operation: 37+43=80 Exploring Operation: 37-34=3, Resulting Numbers: [43, 3] Generated Node #0,3,2: 32:[43, 3] Operation: 37-34=3 Exploring Operation: 37+34=71, Resulting Numbers: [43, 71] Generated Node #0,3,3: 32:[43, 71] Operation: 37+34=71 Exploring Operation: 43-37=6, Resulting Numbers: [34, 6] Generated Node #0,3,4: 32:[34, 6] Operation: 43-37=6 Moving to Node #0,3,4 Current State: 32:[34, 6], Operations: ['42-8=34', '43-37=6'] Exploring Operation: 34+6=40, Resulting Numbers: [40] 40,32 unequal: No Solution Exploring Operation: 34*6=204, Resulting Numbers: [204] 204,32 unequal: No Solution Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,32 unequal: No Solution Moving to Node #0,3,0 Current State: 32:[37, 9], Operations: ['42-8=34', '43-34=9'] Exploring Operation: 37+9=46, Resulting Numbers: [46] 46,32 unequal: No Solution Exploring Operation: 37*9=333, Resulting Numbers: [333] 333,32 unequal: No Solution Exploring Operation: 37-9=28, Resulting Numbers: [28] 28,32 unequal: No Solution Moving to Node #0,3,2 Current State: 32:[43, 3], Operations: ['42-8=34', '37-34=3'] Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,32 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,32 unequal: No Solution Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,32 unequal: No Solution Moving to Node #0,3,1 Current State: 32:[34, 80], Operations: ['42-8=34', '37+43=80'] Exploring Operation: 34+80=114, Resulting Numbers: [114] 114,32 unequal: No Solution Exploring Operation: 34*80=2720, Resulting Numbers: [2720] 2720,32 unequal: No Solution Exploring Operation: 80-34=46, Resulting Numbers: [46] 46,32 unequal: No Solution Moving to Node #0,3,3 Current State: 32:[43, 71], Operations: ['42-8=34', '37+34=71'] Exploring Operation: 43+71=114, Resulting Numbers: [114] 114,32 unequal: No Solution Exploring Operation: 71-43=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 43*71=3053, Resulting Numbers: [3053] 3053,32 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 3, 41, 62, 83 ]
65
[ "3+41=44", "83-62=21", "44+21=65" ]
Current State: 65:[3, 41, 62, 83], Operations: [] Exploring Operation: 3+41=44, Resulting Numbers: [62, 83, 44] Generated Node #2: [62, 83, 44] from Operation: 3+41=44 Current State: 65:[62, 83, 44], Operations: ['3+41=44'] Exploring Operation: 83-62=21, Resulting Numbers: [44, 21] Generated Node #3: [44, 21] from Operation: 83-62=21 Current State: 65:[44, 21], Operations: ['3+41=44', '83-62=21'] Exploring Operation: 44+21=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[3, 41, 62, 83], Operations: [] Exploring Operation: 83-41=42, Resulting Numbers: [3, 62, 42] Generated Node #0,0: 65:[3, 62, 42] Operation: 83-41=42 Exploring Operation: 62-41=21, Resulting Numbers: [3, 83, 21] Generated Node #0,1: 65:[3, 83, 21] Operation: 62-41=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[3, 62, 42], Operations: ['83-41=42'] Exploring Operation: 42/3=14, Resulting Numbers: [62, 14] Generated Node #0,0,0: 65:[62, 14] Operation: 42/3=14 Exploring Operation: 62-42=20, Resulting Numbers: [3, 20] Generated Node #0,0,1: 65:[3, 20] Operation: 62-42=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[62, 14], Operations: ['83-41=42', '42/3=14'] Exploring Operation: 62+14=76, Resulting Numbers: [76] 76,65 unequal: No Solution Exploring Operation: 62-14=48, Resulting Numbers: [48] 48,65 unequal: No Solution No 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: 65:[3, 20], Operations: ['83-41=42', '62-42=20'] Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,65 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,65 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: 65:[3, 83, 21], Operations: ['62-41=21'] Exploring Operation: 3*21=63, Resulting Numbers: [83, 63] Generated Node #0,1,0: 65:[83, 63] Operation: 3*21=63 Exploring Operation: 83-21=62, Resulting Numbers: [3, 62] Generated Node #0,1,1: 65:[3, 62] Operation: 83-21=62 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 65:[3, 62], Operations: ['62-41=21', '83-21=62'] Exploring Operation: 3+62=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[3, 41, 62, 83], Operations: [] Exploring Operation: 62-41=21, Resulting Numbers: [3, 83, 21] Generated Node #0,1: 65:[3, 83, 21] Operation: 62-41=21 Moving to Node #0,1 Current State: 65:[3, 83, 21], Operations: ['62-41=21'] Exploring Operation: 83-21=62, Resulting Numbers: [3, 62] Generated Node #0,1,1: 65:[3, 62] Operation: 83-21=62 Moving to Node #0,1,1 Current State: 65:[3, 62], Operations: ['62-41=21', '83-21=62'] Exploring Operation: 3+62=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 55, 48, 90, 78 ]
30
[ "55*78=4290", "48*90=4320", "4320-4290=30" ]
Current State: 30:[55, 48, 90, 78], Operations: [] Exploring Operation: 55*78=4290, Resulting Numbers: [48, 90, 4290] Generated Node #2: [48, 90, 4290] from Operation: 55*78=4290 Current State: 30:[48, 90, 4290], Operations: ['55*78=4290'] Exploring Operation: 48*90=4320, Resulting Numbers: [4290, 4320] Generated Node #3: [4290, 4320] from Operation: 48*90=4320 Current State: 30:[4290, 4320], Operations: ['55*78=4290', '48*90=4320'] Exploring Operation: 4320-4290=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[55, 48, 90, 78], Operations: [] Exploring Operation: 90-78=12, Resulting Numbers: [55, 48, 12] Generated Node #0,0: 30:[55, 48, 12] Operation: 90-78=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[55, 48, 12], Operations: ['90-78=12'] Exploring Operation: 55-48=7, Resulting Numbers: [12, 7] Generated Node #0,0,0: 30:[12, 7] Operation: 55-48=7 Moving to Node #0,0,0 Current State: 30:[12, 7], Operations: ['90-78=12', '55-48=7'] Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,30 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
[ 48, 29, 20, 42 ]
55
[ "48+29=77", "42-20=22", "77-22=55" ]
Current State: 55:[48, 29, 20, 42], Operations: [] Exploring Operation: 48+29=77, Resulting Numbers: [20, 42, 77] Generated Node #2: [20, 42, 77] from Operation: 48+29=77 Current State: 55:[20, 42, 77], Operations: ['48+29=77'] Exploring Operation: 42-20=22, Resulting Numbers: [77, 22] Generated Node #3: [77, 22] from Operation: 42-20=22 Current State: 55:[77, 22], Operations: ['48+29=77', '42-20=22'] Exploring Operation: 77-22=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[48, 29, 20, 42], Operations: [] Exploring Operation: 42-29=13, Resulting Numbers: [48, 20, 13] Generated Node #0,0: 55:[48, 20, 13] Operation: 42-29=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[48, 20, 13], Operations: ['42-29=13'] Exploring Operation: 20-13=7, Resulting Numbers: [48, 7] Generated Node #0,0,0: 55:[48, 7] Operation: 20-13=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 55:[48, 7], Operations: ['42-29=13', '20-13=7'] Exploring Operation: 48+7=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[48, 29, 20, 42], Operations: [] Exploring Operation: 42-29=13, Resulting Numbers: [48, 20, 13] Generated Node #0,0: 55:[48, 20, 13] Operation: 42-29=13 Moving to Node #0,0 Current State: 55:[48, 20, 13], Operations: ['42-29=13'] Exploring Operation: 20-13=7, Resulting Numbers: [48, 7] Generated Node #0,0,0: 55:[48, 7] Operation: 20-13=7 Moving to Node #0,0,0 Current State: 55:[48, 7], Operations: ['42-29=13', '20-13=7'] Exploring Operation: 48+7=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 56, 7, 25, 8 ]
14
[ "56*8=448", "7+25=32", "448/32=14" ]
Current State: 14:[56, 7, 25, 8], Operations: [] Exploring Operation: 56*8=448, Resulting Numbers: [7, 25, 448] Generated Node #2: [7, 25, 448] from Operation: 56*8=448 Current State: 14:[7, 25, 448], Operations: ['56*8=448'] Exploring Operation: 7+25=32, Resulting Numbers: [448, 32] Generated Node #3: [448, 32] from Operation: 7+25=32 Current State: 14:[448, 32], Operations: ['56*8=448', '7+25=32'] Exploring Operation: 448/32=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[56, 7, 25, 8], Operations: [] Exploring Operation: 56/7=8, Resulting Numbers: [25, 8, 8] Generated Node #0,0: 14:[25, 8, 8] Operation: 56/7=8 Exploring Operation: 25-8=17, Resulting Numbers: [56, 7, 17] Generated Node #0,1: 14:[56, 7, 17] Operation: 25-8=17 Exploring Operation: 56-8=48, Resulting Numbers: [7, 25, 48] Generated Node #0,2: 14:[7, 25, 48] Operation: 56-8=48 Exploring Operation: 56/8=7, Resulting Numbers: [7, 25, 7] Generated Node #0,3: 14:[7, 25, 7] Operation: 56/8=7 Exploring Operation: 56-25=31, Resulting Numbers: [7, 8, 31] Generated Node #0,4: 14:[7, 8, 31] Operation: 56-25=31 Moving to Node #0,3 Current State: 14:[7, 25, 7], Operations: ['56/8=7'] Exploring Operation: 25-7=18, Resulting Numbers: [7, 18] Generated Node #0,3,0: 14:[7, 18] Operation: 25-7=18 Exploring Operation: 25-7=18, Resulting Numbers: [7, 18] Generated Node #0,3,1: 14:[7, 18] Operation: 25-7=18 Exploring Operation: 7+7=14, Resulting Numbers: [25, 14] Generated Node #0,3,2: 14:[25, 14] Operation: 7+7=14 Exploring Operation: 7/7=1, Resulting Numbers: [25, 1] Generated Node #0,3,3: 14:[25, 1] Operation: 7/7=1 Exploring Operation: 7-7=0, Resulting Numbers: [25, 0] Generated Node #0,3,4: 14:[25, 0] Operation: 7-7=0 Moving to Node #0,0 Current State: 14:[25, 8, 8], Operations: ['56/7=8'] Exploring Operation: 8/8=1, Resulting Numbers: [25, 1] Generated Node #0,0,0: 14:[25, 1] Operation: 8/8=1 Exploring Operation: 25-8=17, Resulting Numbers: [8, 17] Generated Node #0,0,1: 14:[8, 17] Operation: 25-8=17 Exploring Operation: 25-8=17, Resulting Numbers: [8, 17] Generated Node #0,0,2: 14:[8, 17] Operation: 25-8=17 Exploring Operation: 8+8=16, Resulting Numbers: [25, 16] Generated Node #0,0,3: 14:[25, 16] Operation: 8+8=16 Exploring Operation: 8-8=0, Resulting Numbers: [25, 0] Generated Node #0,0,4: 14:[25, 0] Operation: 8-8=0 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 14:[8, 17], Operations: ['56/7=8', '25-8=17'] Exploring Operation: 8+17=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,14 unequal: No Solution Exploring Operation: 8*17=136, Resulting Numbers: [136] 136,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 14:[8, 17], Operations: ['56/7=8', '25-8=17'] Exploring Operation: 8+17=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,14 unequal: No Solution Exploring Operation: 8*17=136, Resulting Numbers: [136] 136,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 14:[25, 1], Operations: ['56/7=8', '8/8=1'] Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,14 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 14:[25, 16], Operations: ['56/7=8', '8+8=16'] Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,14 unequal: No Solution Exploring Operation: 25*16=400, Resulting Numbers: [400] 400,14 unequal: No Solution Exploring Operation: 25+16=41, Resulting Numbers: [41] 41,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 14:[25, 0], Operations: ['56/7=8', '8-8=0'] Exploring Operation: 25+0=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 25*0=0, Resulting Numbers: [0] 0,14 unequal: No Solution Exploring Operation: 25-0=25, Resulting Numbers: [25] 25,14 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: 14:[7, 8, 31], Operations: ['56-25=31'] Exploring Operation: 7+31=38, Resulting Numbers: [8, 38] Generated Node #0,4,0: 14:[8, 38] Operation: 7+31=38 Exploring Operation: 8-7=1, Resulting Numbers: [31, 1] Generated Node #0,4,1: 14:[31, 1] Operation: 8-7=1 Exploring Operation: 31-8=23, Resulting Numbers: [7, 23] Generated Node #0,4,2: 14:[7, 23] Operation: 31-8=23 Exploring Operation: 7+8=15, Resulting Numbers: [31, 15] Generated Node #0,4,3: 14:[31, 15] Operation: 7+8=15 Exploring Operation: 31-7=24, Resulting Numbers: [8, 24] Generated Node #0,4,4: 14:[8, 24] Operation: 31-7=24 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 14:[7, 23], Operations: ['56-25=31', '31-8=23'] Exploring Operation: 7+23=30, Resulting Numbers: [30] 30,14 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,14 unequal: No Solution Exploring Operation: 7*23=161, Resulting Numbers: [161] 161,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 14:[8, 24], Operations: ['56-25=31', '31-7=24'] Exploring Operation: 8*24=192, Resulting Numbers: [192] 192,14 unequal: No Solution Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,14 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,14 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 14:[31, 1], Operations: ['56-25=31', '8-7=1'] Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,14 unequal: No Solution Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,14 unequal: No Solution Exploring Operation: 31*1=31, Resulting Numbers: [31] 31,14 unequal: No Solution Exploring Operation: 31+1=32, Resulting Numbers: [32] 32,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 14:[31, 15], Operations: ['56-25=31', '7+8=15'] Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,14 unequal: No Solution Exploring Operation: 31+15=46, Resulting Numbers: [46] 46,14 unequal: No Solution Exploring Operation: 31*15=465, Resulting Numbers: [465] 465,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 14:[8, 38], Operations: ['56-25=31', '7+31=38'] Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,14 unequal: No Solution Exploring Operation: 8*38=304, Resulting Numbers: [304] 304,14 unequal: No Solution Exploring Operation: 8+38=46, Resulting Numbers: [46] 46,14 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: 14:[56, 7, 17], Operations: ['25-8=17'] Exploring Operation: 56+7=63, Resulting Numbers: [17, 63] Generated Node #0,1,0: 14:[17, 63] Operation: 56+7=63 Exploring Operation: 56-7=49, Resulting Numbers: [17, 49] Generated Node #0,1,1: 14:[17, 49] Operation: 56-7=49 Exploring Operation: 56-17=39, Resulting Numbers: [7, 39] Generated Node #0,1,2: 14:[7, 39] Operation: 56-17=39 Exploring Operation: 56/7=8, Resulting Numbers: [17, 8] Generated Node #0,1,3: 14:[17, 8] Operation: 56/7=8 Exploring Operation: 17-7=10, Resulting Numbers: [56, 10] Generated Node #0,1,4: 14:[56, 10] Operation: 17-7=10 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 14:[17, 8], Operations: ['25-8=17', '56/7=8'] Exploring Operation: 17*8=136, Resulting Numbers: [136] 136,14 unequal: No Solution Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,14 unequal: No Solution Exploring Operation: 17+8=25, Resulting Numbers: [25] 25,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 14:[7, 39], Operations: ['25-8=17', '56-17=39'] Exploring Operation: 7+39=46, Resulting Numbers: [46] 46,14 unequal: No Solution Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,14 unequal: No Solution Exploring Operation: 7*39=273, Resulting Numbers: [273] 273,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 14:[17, 49], Operations: ['25-8=17', '56-7=49'] Exploring Operation: 17+49=66, Resulting Numbers: [66] 66,14 unequal: No Solution Exploring Operation: 17*49=833, Resulting Numbers: [833] 833,14 unequal: No Solution Exploring Operation: 49-17=32, Resulting Numbers: [32] 32,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 14:[56, 10], Operations: ['25-8=17', '17-7=10'] Exploring Operation: 56*10=560, Resulting Numbers: [560] 560,14 unequal: No Solution Exploring Operation: 56-10=46, Resulting Numbers: [46] 46,14 unequal: No Solution Exploring Operation: 56+10=66, Resulting Numbers: [66] 66,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 14:[17, 63], Operations: ['25-8=17', '56+7=63'] Exploring Operation: 63-17=46, Resulting Numbers: [46] 46,14 unequal: No Solution Exploring Operation: 17+63=80, Resulting Numbers: [80] 80,14 unequal: No Solution Exploring Operation: 17*63=1071, Resulting Numbers: [1071] 1071,14 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: 14:[7, 25, 48], Operations: ['56-8=48'] Exploring Operation: 25-7=18, Resulting Numbers: [48, 18] Generated Node #0,2,0: 14:[48, 18] Operation: 25-7=18 Exploring Operation: 48-25=23, Resulting Numbers: [7, 23] Generated Node #0,2,1: 14:[7, 23] Operation: 48-25=23 Exploring Operation: 7+25=32, Resulting Numbers: [48, 32] Generated Node #0,2,2: 14:[48, 32] Operation: 7+25=32 Exploring Operation: 7+48=55, Resulting Numbers: [25, 55] Generated Node #0,2,3: 14:[25, 55] Operation: 7+48=55 Exploring Operation: 48-7=41, Resulting Numbers: [25, 41] Generated Node #0,2,4: 14:[25, 41] Operation: 48-7=41 Moving to Node #0,3,0 Current State: 14:[7, 18], Operations: ['56/8=7', '25-7=18'] Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 7*18=126, Resulting Numbers: [126] 126,14 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,14 unequal: No Solution Moving to Node #0,3,1 Current State: 14:[7, 18], Operations: ['56/8=7', '25-7=18'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,14 unequal: No Solution Exploring Operation: 7*18=126, Resulting Numbers: [126] 126,14 unequal: No Solution Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,14 unequal: No Solution Moving to Node #0,2,1 Current State: 14:[7, 23], Operations: ['56-8=48', '48-25=23'] Exploring Operation: 7*23=161, Resulting Numbers: [161] 161,14 unequal: No Solution Exploring Operation: 7+23=30, Resulting Numbers: [30] 30,14 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,14 unequal: No Solution Moving to Node #0,3,2 Current State: 14:[25, 14], Operations: ['56/8=7', '7+7=14'] Exploring Operation: 25+14=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,14 unequal: No Solution Exploring Operation: 25*14=350, Resulting Numbers: [350] 350,14 unequal: No Solution Moving to Node #0,3,3 Current State: 14:[25, 1], Operations: ['56/8=7', '7/7=1'] Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,14 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,14 unequal: No Solution Moving to Node #0,3,4 Current State: 14:[25, 0], Operations: ['56/8=7', '7-7=0'] Exploring Operation: 25*0=0, Resulting Numbers: [0] 0,14 unequal: No Solution Exploring Operation: 25+0=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 25-0=25, Resulting Numbers: [25] 25,14 unequal: No Solution Moving to Node #0,2,0 Current State: 14:[48, 18], Operations: ['56-8=48', '25-7=18'] Exploring Operation: 48*18=864, Resulting Numbers: [864] 864,14 unequal: No Solution Exploring Operation: 48+18=66, Resulting Numbers: [66] 66,14 unequal: No Solution Exploring Operation: 48-18=30, Resulting Numbers: [30] 30,14 unequal: No Solution Moving to Node #0,2,4 Current State: 14:[25, 41], Operations: ['56-8=48', '48-7=41'] Exploring Operation: 25*41=1025, Resulting Numbers: [1025] 1025,14 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,14 unequal: No Solution Exploring Operation: 25+41=66, Resulting Numbers: [66] 66,14 unequal: No Solution Moving to Node #0,2,2 Current State: 14:[48, 32], Operations: ['56-8=48', '7+25=32'] Exploring Operation: 48+32=80, Resulting Numbers: [80] 80,14 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,14 unequal: No Solution Exploring Operation: 48*32=1536, Resulting Numbers: [1536] 1536,14 unequal: No Solution Moving to Node #0,2,3 Current State: 14:[25, 55], Operations: ['56-8=48', '7+48=55'] Exploring Operation: 25*55=1375, Resulting Numbers: [1375] 1375,14 unequal: No Solution Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,14 unequal: No Solution Exploring Operation: 25+55=80, Resulting Numbers: [80] 80,14 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 14, 93, 6, 18 ]
76
[ "93-14=79", "18/6=3", "79-3=76" ]
Current State: 76:[14, 93, 6, 18], Operations: [] Exploring Operation: 93-14=79, Resulting Numbers: [6, 18, 79] Generated Node #2: [6, 18, 79] from Operation: 93-14=79 Current State: 76:[6, 18, 79], Operations: ['93-14=79'] Exploring Operation: 18/6=3, Resulting Numbers: [79, 3] Generated Node #3: [79, 3] from Operation: 18/6=3 Current State: 76:[79, 3], Operations: ['93-14=79', '18/6=3'] Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[14, 93, 6, 18], Operations: [] Exploring Operation: 93-14=79, Resulting Numbers: [6, 18, 79] Generated Node #0,0: 76:[6, 18, 79] Operation: 93-14=79 Moving to Node #0,0 Current State: 76:[6, 18, 79], Operations: ['93-14=79'] Exploring Operation: 18/6=3, Resulting Numbers: [79, 3] Generated Node #0,0,0: 76:[79, 3] Operation: 18/6=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[79, 3], Operations: ['93-14=79', '18/6=3'] Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[14, 93, 6, 18], Operations: [] Exploring Operation: 93-14=79, Resulting Numbers: [6, 18, 79] Generated Node #0,0: 76:[6, 18, 79] Operation: 93-14=79 Moving to Node #0,0 Current State: 76:[6, 18, 79], Operations: ['93-14=79'] Exploring Operation: 18/6=3, Resulting Numbers: [79, 3] Generated Node #0,0,0: 76:[79, 3] Operation: 18/6=3 Moving to Node #0,0,0 Current State: 76:[79, 3], Operations: ['93-14=79', '18/6=3'] Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 73, 9, 25, 35 ]
92
[ "73+9=82", "35-25=10", "82+10=92" ]
Current State: 92:[73, 9, 25, 35], Operations: [] Exploring Operation: 73+9=82, Resulting Numbers: [25, 35, 82] Generated Node #2: [25, 35, 82] from Operation: 73+9=82 Current State: 92:[25, 35, 82], Operations: ['73+9=82'] Exploring Operation: 35-25=10, Resulting Numbers: [82, 10] Generated Node #3: [82, 10] from Operation: 35-25=10 Current State: 92:[82, 10], Operations: ['73+9=82', '35-25=10'] Exploring Operation: 82+10=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[73, 9, 25, 35], Operations: [] Exploring Operation: 73-25=48, Resulting Numbers: [9, 35, 48] Generated Node #0,0: 92:[9, 35, 48] Operation: 73-25=48 Exploring Operation: 73-35=38, Resulting Numbers: [9, 25, 38] Generated Node #0,1: 92:[9, 25, 38] Operation: 73-35=38 Exploring Operation: 73+25=98, Resulting Numbers: [9, 35, 98] Generated Node #0,2: 92:[9, 35, 98] Operation: 73+25=98 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[9, 25, 38], Operations: ['73-35=38'] Exploring Operation: 38-25=13, Resulting Numbers: [9, 13] Generated Node #0,1,0: 92:[9, 13] Operation: 38-25=13 Exploring Operation: 9+38=47, Resulting Numbers: [25, 47] Generated Node #0,1,1: 92:[25, 47] Operation: 9+38=47 Exploring Operation: 38-9=29, Resulting Numbers: [25, 29] Generated Node #0,1,2: 92:[25, 29] Operation: 38-9=29 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 92:[25, 47], Operations: ['73-35=38', '9+38=47'] Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,92 unequal: No Solution Exploring Operation: 25*47=1175, Resulting Numbers: [1175] 1175,92 unequal: No Solution Exploring Operation: 25+47=72, Resulting Numbers: [72] 72,92 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:[25, 29], Operations: ['73-35=38', '38-9=29'] Exploring Operation: 25+29=54, Resulting Numbers: [54] 54,92 unequal: No Solution Exploring Operation: 25*29=725, Resulting Numbers: [725] 725,92 unequal: No Solution Exploring Operation: 29-25=4, Resulting Numbers: [4] 4,92 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:[9, 13], Operations: ['73-35=38', '38-25=13'] Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,92 unequal: No Solution Exploring Operation: 9*13=117, Resulting Numbers: [117] 117,92 unequal: No Solution Exploring Operation: 9+13=22, Resulting Numbers: [22] 22,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[9, 35, 48], Operations: ['73-25=48'] Exploring Operation: 35-9=26, Resulting Numbers: [48, 26] Generated Node #0,0,0: 92:[48, 26] Operation: 35-9=26 Exploring Operation: 9+35=44, Resulting Numbers: [48, 44] Generated Node #0,0,1: 92:[48, 44] Operation: 9+35=44 Exploring Operation: 35+48=83, Resulting Numbers: [9, 83] Generated Node #0,0,2: 92:[9, 83] Operation: 35+48=83 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 92:[48, 44], Operations: ['73-25=48', '9+35=44'] Exploring Operation: 48-44=4, Resulting Numbers: [4] 4,92 unequal: No Solution Exploring Operation: 48+44=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[73, 9, 25, 35], Operations: [] Exploring Operation: 73-25=48, Resulting Numbers: [9, 35, 48] Generated Node #0,0: 92:[9, 35, 48] Operation: 73-25=48 Moving to Node #0,0 Current State: 92:[9, 35, 48], Operations: ['73-25=48'] Exploring Operation: 9+35=44, Resulting Numbers: [48, 44] Generated Node #0,0,1: 92:[48, 44] Operation: 9+35=44 Moving to Node #0,0,1 Current State: 92:[48, 44], Operations: ['73-25=48', '9+35=44'] Exploring Operation: 48+44=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_3
mult_heuristic
[ 50, 4, 76, 39 ]
91
[ "50+4=54", "76-39=37", "54+37=91" ]
Current State: 91:[50, 4, 76, 39], Operations: [] Exploring Operation: 50+4=54, Resulting Numbers: [76, 39, 54] Generated Node #2: [76, 39, 54] from Operation: 50+4=54 Current State: 91:[76, 39, 54], Operations: ['50+4=54'] Exploring Operation: 76-39=37, Resulting Numbers: [54, 37] Generated Node #3: [54, 37] from Operation: 76-39=37 Current State: 91:[54, 37], Operations: ['50+4=54', '76-39=37'] Exploring Operation: 54+37=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[50, 4, 76, 39], Operations: [] Exploring Operation: 50+39=89, Resulting Numbers: [4, 76, 89] Generated Node #0,0: 91:[4, 76, 89] Operation: 50+39=89 Moving to Node #0,0 Current State: 91:[4, 76, 89], Operations: ['50+39=89'] Exploring Operation: 89-76=13, Resulting Numbers: [4, 13] Generated Node #0,0,0: 91:[4, 13] Operation: 89-76=13 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 91:[4, 13], Operations: ['50+39=89', '89-76=13'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,91 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
[ 65, 84, 26, 95 ]
46
[ "26*95=2470", "2470/65=38", "84-38=46" ]
Current State: 46:[65, 84, 26, 95], Operations: [] Exploring Operation: 26*95=2470, Resulting Numbers: [65, 84, 2470] Generated Node #2: [65, 84, 2470] from Operation: 26*95=2470 Current State: 46:[65, 84, 2470], Operations: ['26*95=2470'] Exploring Operation: 2470/65=38, Resulting Numbers: [84, 38] Generated Node #3: [84, 38] from Operation: 2470/65=38 Current State: 46:[84, 38], Operations: ['26*95=2470', '2470/65=38'] Exploring Operation: 84-38=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[65, 84, 26, 95], Operations: [] Exploring Operation: 95-84=11, Resulting Numbers: [65, 26, 11] Generated Node #0,0: 46:[65, 26, 11] Operation: 95-84=11 Exploring Operation: 95-65=30, Resulting Numbers: [84, 26, 30] Generated Node #0,1: 46:[84, 26, 30] Operation: 95-65=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[65, 26, 11], Operations: ['95-84=11'] Exploring Operation: 65-26=39, Resulting Numbers: [11, 39] Generated Node #0,0,0: 46:[11, 39] Operation: 65-26=39 Exploring Operation: 65-11=54, Resulting Numbers: [26, 54] Generated Node #0,0,1: 46:[26, 54] Operation: 65-11=54 Moving to Node #0,0,1 Current State: 46:[26, 54], Operations: ['95-84=11', '65-11=54'] Exploring Operation: 54-26=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 26+54=80, Resulting Numbers: [80] 80,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[11, 39], Operations: ['95-84=11', '65-26=39'] Exploring Operation: 11+39=50, Resulting Numbers: [50] 50,46 unequal: No Solution Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,46 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 Current State: 46:[84, 26, 30], Operations: ['95-65=30'] Exploring Operation: 84-26=58, Resulting Numbers: [30, 58] Generated Node #0,1,0: 46:[30, 58] Operation: 84-26=58 Exploring Operation: 84-30=54, Resulting Numbers: [26, 54] Generated Node #0,1,1: 46:[26, 54] Operation: 84-30=54 Moving to Node #0,1,1 Current State: 46:[26, 54], Operations: ['95-65=30', '84-30=54'] Exploring Operation: 26+54=80, Resulting Numbers: [80] 80,46 unequal: No Solution Exploring Operation: 54-26=28, Resulting Numbers: [28] 28,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[30, 58], Operations: ['95-65=30', '84-26=58'] Exploring Operation: 58-30=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 30+58=88, Resulting Numbers: [88] 88,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 76, 54, 33, 36 ]
81
[ "76*54=4104", "4104/36=114", "114-33=81" ]
Current State: 81:[76, 54, 33, 36], Operations: [] Exploring Operation: 76*54=4104, Resulting Numbers: [33, 36, 4104] Generated Node #2: [33, 36, 4104] from Operation: 76*54=4104 Current State: 81:[33, 36, 4104], Operations: ['76*54=4104'] Exploring Operation: 4104/36=114, Resulting Numbers: [33, 114] Generated Node #3: [33, 114] from Operation: 4104/36=114 Current State: 81:[33, 114], Operations: ['76*54=4104', '4104/36=114'] Exploring Operation: 114-33=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[76, 54, 33, 36], Operations: [] Exploring Operation: 76-54=22, Resulting Numbers: [33, 36, 22] Generated Node #0,0: 81:[33, 36, 22] Operation: 76-54=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[33, 36, 22], Operations: ['76-54=22'] Exploring Operation: 36-33=3, Resulting Numbers: [22, 3] Generated Node #0,0,0: 81:[22, 3] Operation: 36-33=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[22, 3], Operations: ['76-54=22', '36-33=3'] Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 56, 17, 10, 54 ]
12
[ "56-54=2", "10/2=5", "17-5=12" ]
Current State: 12:[56, 17, 10, 54], Operations: [] Exploring Operation: 56-54=2, Resulting Numbers: [17, 10, 2] Generated Node #2: [17, 10, 2] from Operation: 56-54=2 Current State: 12:[17, 10, 2], Operations: ['56-54=2'] Exploring Operation: 10/2=5, Resulting Numbers: [17, 5] Generated Node #3: [17, 5] from Operation: 10/2=5 Current State: 12:[17, 5], Operations: ['56-54=2', '10/2=5'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[56, 17, 10, 54], Operations: [] Exploring Operation: 56-54=2, Resulting Numbers: [17, 10, 2] Generated Node #0,0: 12:[17, 10, 2] Operation: 56-54=2 Exploring Operation: 56-17=39, Resulting Numbers: [10, 54, 39] Generated Node #0,1: 12:[10, 54, 39] Operation: 56-17=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[17, 10, 2], Operations: ['56-54=2'] Exploring Operation: 17-10=7, Resulting Numbers: [2, 7] Generated Node #0,0,0: 12:[2, 7] Operation: 17-10=7 Exploring Operation: 17-2=15, Resulting Numbers: [10, 15] Generated Node #0,0,1: 12:[10, 15] Operation: 17-2=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 12:[2, 7], Operations: ['56-54=2', '17-10=7'] Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,12 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 12:[10, 15], Operations: ['56-54=2', '17-2=15'] Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,12 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[10, 54, 39], Operations: ['56-17=39'] Exploring Operation: 54-10=44, Resulting Numbers: [39, 44] Generated Node #0,1,0: 12:[39, 44] Operation: 54-10=44 Exploring Operation: 54-39=15, Resulting Numbers: [10, 15] Generated Node #0,1,1: 12:[10, 15] Operation: 54-39=15 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 12:[10, 15], Operations: ['56-17=39', '54-39=15'] Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,12 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 12:[39, 44], Operations: ['56-17=39', '54-10=44'] Exploring Operation: 39+44=83, Resulting Numbers: [83] 83,12 unequal: No Solution Exploring Operation: 44-39=5, Resulting Numbers: [5] 5,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 52, 40, 11, 89 ]
66
[ "52-40=12", "89-11=78", "78-12=66" ]
Current State: 66:[52, 40, 11, 89], Operations: [] Exploring Operation: 52-40=12, Resulting Numbers: [11, 89, 12] Generated Node #2: [11, 89, 12] from Operation: 52-40=12 Current State: 66:[11, 89, 12], Operations: ['52-40=12'] Exploring Operation: 89-11=78, Resulting Numbers: [12, 78] Generated Node #3: [12, 78] from Operation: 89-11=78 Current State: 66:[12, 78], Operations: ['52-40=12', '89-11=78'] Exploring Operation: 78-12=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[52, 40, 11, 89], Operations: [] Exploring Operation: 52-40=12, Resulting Numbers: [11, 89, 12] Generated Node #0,0: 66:[11, 89, 12] Operation: 52-40=12 Exploring Operation: 89-52=37, Resulting Numbers: [40, 11, 37] Generated Node #0,1: 66:[40, 11, 37] Operation: 89-52=37 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[40, 11, 37], Operations: ['89-52=37'] Exploring Operation: 40-11=29, Resulting Numbers: [37, 29] Generated Node #0,1,0: 66:[37, 29] Operation: 40-11=29 Exploring Operation: 40-37=3, Resulting Numbers: [11, 3] Generated Node #0,1,1: 66:[11, 3] Operation: 40-37=3 Moving to Node #0,1,1 Current State: 66:[11, 3], Operations: ['89-52=37', '40-37=3'] Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,66 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,66 unequal: No Solution Moving to Node #0,1,0 Current State: 66:[37, 29], Operations: ['89-52=37', '40-11=29'] Exploring Operation: 37+29=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[52, 40, 11, 89], Operations: [] Exploring Operation: 89-52=37, Resulting Numbers: [40, 11, 37] Generated Node #0,1: 66:[40, 11, 37] Operation: 89-52=37 Moving to Node #0,1 Current State: 66:[40, 11, 37], Operations: ['89-52=37'] Exploring Operation: 40-11=29, Resulting Numbers: [37, 29] Generated Node #0,1,0: 66:[37, 29] Operation: 40-11=29 Moving to Node #0,1,0 Current State: 66:[37, 29], Operations: ['89-52=37', '40-11=29'] Exploring Operation: 37+29=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 57, 21, 81, 49 ]
52
[ "57+21=78", "81+49=130", "130-78=52" ]
Current State: 52:[57, 21, 81, 49], Operations: [] Exploring Operation: 57+21=78, Resulting Numbers: [81, 49, 78] Generated Node #2: [81, 49, 78] from Operation: 57+21=78 Current State: 52:[81, 49, 78], Operations: ['57+21=78'] Exploring Operation: 81+49=130, Resulting Numbers: [78, 130] Generated Node #3: [78, 130] from Operation: 81+49=130 Current State: 52:[78, 130], Operations: ['57+21=78', '81+49=130'] Exploring Operation: 130-78=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[57, 21, 81, 49], Operations: [] Exploring Operation: 81-57=24, Resulting Numbers: [21, 49, 24] Generated Node #0,0: 52:[21, 49, 24] Operation: 81-57=24 Moving to Node #0,0 Current State: 52:[21, 49, 24], Operations: ['81-57=24'] Exploring Operation: 49-21=28, Resulting Numbers: [24, 28] Generated Node #0,0,0: 52:[24, 28] Operation: 49-21=28 Moving to Node #0,0,0 Current State: 52:[24, 28], Operations: ['81-57=24', '49-21=28'] Exploring Operation: 24+28=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[57, 21, 81, 49], Operations: [] Exploring Operation: 81-57=24, Resulting Numbers: [21, 49, 24] Generated Node #0,0: 52:[21, 49, 24] Operation: 81-57=24 Moving to Node #0,0 Current State: 52:[21, 49, 24], Operations: ['81-57=24'] Exploring Operation: 49-21=28, Resulting Numbers: [24, 28] Generated Node #0,0,0: 52:[24, 28] Operation: 49-21=28 Moving to Node #0,0,0 Current State: 52:[24, 28], Operations: ['81-57=24', '49-21=28'] Exploring Operation: 24+28=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 7, 26, 63, 17 ]
79
[ "7+26=33", "63-17=46", "33+46=79" ]
Current State: 79:[7, 26, 63, 17], Operations: [] Exploring Operation: 7+26=33, Resulting Numbers: [63, 17, 33] Generated Node #2: [63, 17, 33] from Operation: 7+26=33 Current State: 79:[63, 17, 33], Operations: ['7+26=33'] Exploring Operation: 63-17=46, Resulting Numbers: [33, 46] Generated Node #3: [33, 46] from Operation: 63-17=46 Current State: 79:[33, 46], Operations: ['7+26=33', '63-17=46'] Exploring Operation: 33+46=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[7, 26, 63, 17], Operations: [] Exploring Operation: 7*17=119, Resulting Numbers: [26, 63, 119] Generated Node #0,0: 79:[26, 63, 119] Operation: 7*17=119 Exploring Operation: 7+26=33, Resulting Numbers: [63, 17, 33] Generated Node #0,1: 79:[63, 17, 33] Operation: 7+26=33 Moving to Node #0,0 Current State: 79:[26, 63, 119], Operations: ['7*17=119'] Exploring Operation: 119-26=93, Resulting Numbers: [63, 93] Generated Node #0,0,0: 79:[63, 93] Operation: 119-26=93 Exploring Operation: 26+63=89, Resulting Numbers: [119, 89] Generated Node #0,0,1: 79:[119, 89] Operation: 26+63=89 Moving to Node #0,1 Current State: 79:[63, 17, 33], Operations: ['7+26=33'] Exploring Operation: 17+33=50, Resulting Numbers: [63, 50] Generated Node #0,1,0: 79:[63, 50] Operation: 17+33=50 Exploring Operation: 63+17=80, Resulting Numbers: [33, 80] Generated Node #0,1,1: 79:[33, 80] Operation: 63+17=80 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 79:[63, 50], Operations: ['7+26=33', '17+33=50'] Exploring Operation: 63+50=113, Resulting Numbers: [113] 113,79 unequal: No Solution Exploring Operation: 63-50=13, Resulting Numbers: [13] 13,79 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 #0,1,1 Current State: 79:[33, 80], Operations: ['7+26=33', '63+17=80'] Exploring Operation: 80-33=47, Resulting Numbers: [47] 47,79 unequal: No Solution Exploring Operation: 33+80=113, Resulting Numbers: [113] 113,79 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: 79:[63, 93], Operations: ['7*17=119', '119-26=93'] Exploring Operation: 93-63=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 63+93=156, Resulting Numbers: [156] 156,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[119, 89], Operations: ['7*17=119', '26+63=89'] Exploring Operation: 119+89=208, Resulting Numbers: [208] 208,79 unequal: No Solution Exploring Operation: 119-89=30, Resulting Numbers: [30] 30,79 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 56, 97, 18, 70 ]
90
[ "56+70=126", "126/18=7", "97-7=90" ]
Current State: 90:[56, 97, 18, 70], Operations: [] Exploring Operation: 56+70=126, Resulting Numbers: [97, 18, 126] Generated Node #2: [97, 18, 126] from Operation: 56+70=126 Current State: 90:[97, 18, 126], Operations: ['56+70=126'] Exploring Operation: 126/18=7, Resulting Numbers: [97, 7] Generated Node #3: [97, 7] from Operation: 126/18=7 Current State: 90:[97, 7], Operations: ['56+70=126', '126/18=7'] Exploring Operation: 97-7=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[56, 97, 18, 70], Operations: [] Exploring Operation: 18+70=88, Resulting Numbers: [56, 97, 88] Generated Node #0,0: 90:[56, 97, 88] Operation: 18+70=88 Exploring Operation: 97-70=27, Resulting Numbers: [56, 18, 27] Generated Node #0,1: 90:[56, 18, 27] Operation: 97-70=27 Exploring Operation: 97-56=41, Resulting Numbers: [18, 70, 41] Generated Node #0,2: 90:[18, 70, 41] Operation: 97-56=41 Exploring Operation: 70-56=14, Resulting Numbers: [97, 18, 14] Generated Node #0,3: 90:[97, 18, 14] Operation: 70-56=14 Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[97, 18, 14], Operations: ['70-56=14'] Exploring Operation: 18+14=32, Resulting Numbers: [97, 32] Generated Node #0,3,0: 90:[97, 32] Operation: 18+14=32 Exploring Operation: 97-18=79, Resulting Numbers: [14, 79] Generated Node #0,3,1: 90:[14, 79] Operation: 97-18=79 Exploring Operation: 18-14=4, Resulting Numbers: [97, 4] Generated Node #0,3,2: 90:[97, 4] Operation: 18-14=4 Exploring Operation: 97-14=83, Resulting Numbers: [18, 83] Generated Node #0,3,3: 90:[18, 83] Operation: 97-14=83 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 90:[18, 83], Operations: ['70-56=14', '97-14=83'] Exploring Operation: 18+83=101, Resulting Numbers: [101] 101,90 unequal: No Solution Exploring Operation: 18*83=1494, Resulting Numbers: [1494] 1494,90 unequal: No Solution Exploring Operation: 83-18=65, Resulting Numbers: [65] 65,90 unequal: No Solution No 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: 90:[97, 4], Operations: ['70-56=14', '18-14=4'] Exploring Operation: 97*4=388, Resulting Numbers: [388] 388,90 unequal: No Solution Exploring Operation: 97-4=93, Resulting Numbers: [93] 93,90 unequal: No Solution Exploring Operation: 97+4=101, Resulting Numbers: [101] 101,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 90:[97, 32], Operations: ['70-56=14', '18+14=32'] Exploring Operation: 97-32=65, Resulting Numbers: [65] 65,90 unequal: No Solution Exploring Operation: 97*32=3104, Resulting Numbers: [3104] 3104,90 unequal: No Solution Exploring Operation: 97+32=129, Resulting Numbers: [129] 129,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 90:[14, 79], Operations: ['70-56=14', '97-18=79'] Exploring Operation: 79-14=65, Resulting Numbers: [65] 65,90 unequal: No Solution Exploring Operation: 14+79=93, Resulting Numbers: [93] 93,90 unequal: No Solution Exploring Operation: 14*79=1106, Resulting Numbers: [1106] 1106,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[56, 18, 27], Operations: ['97-70=27'] Exploring Operation: 56-18=38, Resulting Numbers: [27, 38] Generated Node #0,1,0: 90:[27, 38] Operation: 56-18=38 Exploring Operation: 56+27=83, Resulting Numbers: [18, 83] Generated Node #0,1,1: 90:[18, 83] Operation: 56+27=83 Exploring Operation: 56-27=29, Resulting Numbers: [18, 29] Generated Node #0,1,2: 90:[18, 29] Operation: 56-27=29 Exploring Operation: 18+27=45, Resulting Numbers: [56, 45] Generated Node #0,1,3: 90:[56, 45] Operation: 18+27=45 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 90:[18, 29], Operations: ['97-70=27', '56-27=29'] Exploring Operation: 18+29=47, Resulting Numbers: [47] 47,90 unequal: No Solution Exploring Operation: 18*29=522, Resulting Numbers: [522] 522,90 unequal: No Solution Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 90:[18, 83], Operations: ['97-70=27', '56+27=83'] Exploring Operation: 83-18=65, Resulting Numbers: [65] 65,90 unequal: No Solution Exploring Operation: 18*83=1494, Resulting Numbers: [1494] 1494,90 unequal: No Solution Exploring Operation: 18+83=101, Resulting Numbers: [101] 101,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 90:[27, 38], Operations: ['97-70=27', '56-18=38'] Exploring Operation: 38-27=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 27+38=65, Resulting Numbers: [65] 65,90 unequal: No Solution Exploring Operation: 27*38=1026, Resulting Numbers: [1026] 1026,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 90:[56, 45], Operations: ['97-70=27', '18+27=45'] Exploring Operation: 56-45=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 56+45=101, Resulting Numbers: [101] 101,90 unequal: No Solution Exploring Operation: 56*45=2520, Resulting Numbers: [2520] 2520,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[56, 97, 88], Operations: ['18+70=88'] Exploring Operation: 97-88=9, Resulting Numbers: [56, 9] Generated Node #0,0,0: 90:[56, 9] Operation: 97-88=9 Exploring Operation: 56+88=144, Resulting Numbers: [97, 144] Generated Node #0,0,1: 90:[97, 144] Operation: 56+88=144 Exploring Operation: 97-56=41, Resulting Numbers: [88, 41] Generated Node #0,0,2: 90:[88, 41] Operation: 97-56=41 Exploring Operation: 88-56=32, Resulting Numbers: [97, 32] Generated Node #0,0,3: 90:[97, 32] Operation: 88-56=32 Moving to Node #0,0,2 Current State: 90:[88, 41], Operations: ['18+70=88', '97-56=41'] Exploring Operation: 88*41=3608, Resulting Numbers: [3608] 3608,90 unequal: No Solution Exploring Operation: 88-41=47, Resulting Numbers: [47] 47,90 unequal: No Solution Exploring Operation: 88+41=129, Resulting Numbers: [129] 129,90 unequal: No Solution Moving to Node #0,0,3 Current State: 90:[97, 32], Operations: ['18+70=88', '88-56=32'] Exploring Operation: 97*32=3104, Resulting Numbers: [3104] 3104,90 unequal: No Solution Exploring Operation: 97+32=129, Resulting Numbers: [129] 129,90 unequal: No Solution Exploring Operation: 97-32=65, Resulting Numbers: [65] 65,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[56, 9], Operations: ['18+70=88', '97-88=9'] Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,90 unequal: No Solution Exploring Operation: 56+9=65, Resulting Numbers: [65] 65,90 unequal: No Solution Exploring Operation: 56*9=504, Resulting Numbers: [504] 504,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[97, 144], Operations: ['18+70=88', '56+88=144'] Exploring Operation: 97*144=13968, Resulting Numbers: [13968] 13968,90 unequal: No Solution Exploring Operation: 97+144=241, Resulting Numbers: [241] 241,90 unequal: No Solution Exploring Operation: 144-97=47, Resulting Numbers: [47] 47,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[18, 70, 41], Operations: ['97-56=41'] Exploring Operation: 70-18=52, Resulting Numbers: [41, 52] Generated Node #0,2,0: 90:[41, 52] Operation: 70-18=52 Exploring Operation: 70+41=111, Resulting Numbers: [18, 111] Generated Node #0,2,1: 90:[18, 111] Operation: 70+41=111 Exploring Operation: 18+70=88, Resulting Numbers: [41, 88] Generated Node #0,2,2: 90:[41, 88] Operation: 18+70=88 Exploring Operation: 70-41=29, Resulting Numbers: [18, 29] Generated Node #0,2,3: 90:[18, 29] Operation: 70-41=29 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 90:[18, 29], Operations: ['97-56=41', '70-41=29'] Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 18*29=522, Resulting Numbers: [522] 522,90 unequal: No Solution Exploring Operation: 18+29=47, Resulting Numbers: [47] 47,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 90:[41, 88], Operations: ['97-56=41', '18+70=88'] Exploring Operation: 88-41=47, Resulting Numbers: [47] 47,90 unequal: No Solution Exploring Operation: 41+88=129, Resulting Numbers: [129] 129,90 unequal: No Solution Exploring Operation: 41*88=3608, Resulting Numbers: [3608] 3608,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 90:[41, 52], Operations: ['97-56=41', '70-18=52'] Exploring Operation: 41+52=93, Resulting Numbers: [93] 93,90 unequal: No Solution Exploring Operation: 41*52=2132, Resulting Numbers: [2132] 2132,90 unequal: No Solution Exploring Operation: 52-41=11, Resulting Numbers: [11] 11,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 90:[18, 111], Operations: ['97-56=41', '70+41=111'] Exploring Operation: 18+111=129, Resulting Numbers: [129] 129,90 unequal: No Solution Exploring Operation: 111-18=93, Resulting Numbers: [93] 93,90 unequal: No Solution Exploring Operation: 18*111=1998, Resulting Numbers: [1998] 1998,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 4, 38, 57, 29 ]
62
[ "38-4=34", "57-29=28", "34+28=62" ]
Current State: 62:[4, 38, 57, 29], Operations: [] Exploring Operation: 38-4=34, Resulting Numbers: [57, 29, 34] Generated Node #2: [57, 29, 34] from Operation: 38-4=34 Current State: 62:[57, 29, 34], Operations: ['38-4=34'] Exploring Operation: 57-29=28, Resulting Numbers: [34, 28] Generated Node #3: [34, 28] from Operation: 57-29=28 Current State: 62:[34, 28], Operations: ['38-4=34', '57-29=28'] Exploring Operation: 34+28=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[4, 38, 57, 29], Operations: [] Exploring Operation: 4+57=61, Resulting Numbers: [38, 29, 61] Generated Node #0,0: 62:[38, 29, 61] Operation: 4+57=61 Exploring Operation: 38-4=34, Resulting Numbers: [57, 29, 34] Generated Node #0,1: 62:[57, 29, 34] Operation: 38-4=34 Exploring Operation: 38+29=67, Resulting Numbers: [4, 57, 67] Generated Node #0,2: 62:[4, 57, 67] Operation: 38+29=67 Exploring Operation: 57-29=28, Resulting Numbers: [4, 38, 28] Generated Node #0,3: 62:[4, 38, 28] Operation: 57-29=28 Moving to Node #0,0 Current State: 62:[38, 29, 61], Operations: ['4+57=61'] Exploring Operation: 61-29=32, Resulting Numbers: [38, 32] Generated Node #0,0,0: 62:[38, 32] Operation: 61-29=32 Exploring Operation: 38+29=67, Resulting Numbers: [61, 67] Generated Node #0,0,1: 62:[61, 67] Operation: 38+29=67 Exploring Operation: 61-38=23, Resulting Numbers: [29, 23] Generated Node #0,0,2: 62:[29, 23] Operation: 61-38=23 Exploring Operation: 38-29=9, Resulting Numbers: [61, 9] Generated Node #0,0,3: 62:[61, 9] Operation: 38-29=9 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 62:[61, 67], Operations: ['4+57=61', '38+29=67'] Exploring Operation: 67-61=6, Resulting Numbers: [6] 6,62 unequal: No Solution Exploring Operation: 61+67=128, Resulting Numbers: [128] 128,62 unequal: No Solution Exploring Operation: 61*67=4087, Resulting Numbers: [4087] 4087,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[38, 32], Operations: ['4+57=61', '61-29=32'] Exploring Operation: 38*32=1216, Resulting Numbers: [1216] 1216,62 unequal: No Solution Exploring Operation: 38-32=6, Resulting Numbers: [6] 6,62 unequal: No Solution Exploring Operation: 38+32=70, Resulting Numbers: [70] 70,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 62:[61, 9], Operations: ['4+57=61', '38-29=9'] Exploring Operation: 61-9=52, Resulting Numbers: [52] 52,62 unequal: No Solution Exploring Operation: 61*9=549, Resulting Numbers: [549] 549,62 unequal: No Solution Exploring Operation: 61+9=70, Resulting Numbers: [70] 70,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 62:[29, 23], Operations: ['4+57=61', '61-38=23'] Exploring Operation: 29*23=667, Resulting Numbers: [667] 667,62 unequal: No Solution Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,62 unequal: No Solution Exploring Operation: 29+23=52, Resulting Numbers: [52] 52,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 62:[57, 29, 34], Operations: ['38-4=34'] Exploring Operation: 57-29=28, Resulting Numbers: [34, 28] Generated Node #0,1,0: 62:[34, 28] Operation: 57-29=28 Exploring Operation: 57-34=23, Resulting Numbers: [29, 23] Generated Node #0,1,1: 62:[29, 23] Operation: 57-34=23 Exploring Operation: 34-29=5, Resulting Numbers: [57, 5] Generated Node #0,1,2: 62:[57, 5] Operation: 34-29=5 Exploring Operation: 29+34=63, Resulting Numbers: [57, 63] Generated Node #0,1,3: 62:[57, 63] Operation: 29+34=63 Moving to Node #0,3 Current State: 62:[4, 38, 28], Operations: ['57-29=28'] Exploring Operation: 38-28=10, Resulting Numbers: [4, 10] Generated Node #0,3,0: 62:[4, 10] Operation: 38-28=10 Exploring Operation: 38-4=34, Resulting Numbers: [28, 34] Generated Node #0,3,1: 62:[28, 34] Operation: 38-4=34 Exploring Operation: 4+28=32, Resulting Numbers: [38, 32] Generated Node #0,3,2: 62:[38, 32] Operation: 4+28=32 Exploring Operation: 38+28=66, Resulting Numbers: [4, 66] Generated Node #0,3,3: 62:[4, 66] Operation: 38+28=66 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 62:[28, 34], Operations: ['57-29=28', '38-4=34'] Exploring Operation: 28*34=952, Resulting Numbers: [952] 952,62 unequal: No Solution Exploring Operation: 28+34=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[4, 38, 57, 29], Operations: [] Exploring Operation: 57-29=28, Resulting Numbers: [4, 38, 28] Generated Node #0,3: 62:[4, 38, 28] Operation: 57-29=28 Moving to Node #0,3 Current State: 62:[4, 38, 28], Operations: ['57-29=28'] Exploring Operation: 38-4=34, Resulting Numbers: [28, 34] Generated Node #0,3,1: 62:[28, 34] Operation: 38-4=34 Moving to Node #0,3,1 Current State: 62:[28, 34], Operations: ['57-29=28', '38-4=34'] Exploring Operation: 28+34=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
sum_heuristic
[ 10, 91, 53, 36 ]
62
[ "91*36=3276", "10+3276=3286", "3286/53=62" ]
Current State: 62:[10, 91, 53, 36], Operations: [] Exploring Operation: 91*36=3276, Resulting Numbers: [10, 53, 3276] Generated Node #2: [10, 53, 3276] from Operation: 91*36=3276 Current State: 62:[10, 53, 3276], Operations: ['91*36=3276'] Exploring Operation: 10+3276=3286, Resulting Numbers: [53, 3286] Generated Node #3: [53, 3286] from Operation: 10+3276=3286 Current State: 62:[53, 3286], Operations: ['91*36=3276', '10+3276=3286'] Exploring Operation: 3286/53=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[10, 91, 53, 36], Operations: [] Exploring Operation: 10+53=63, Resulting Numbers: [91, 36, 63] Generated Node #0,0: 62:[91, 36, 63] Operation: 10+53=63 Exploring Operation: 91-10=81, Resulting Numbers: [53, 36, 81] Generated Node #0,1: 62:[53, 36, 81] Operation: 91-10=81 Exploring Operation: 36-10=26, Resulting Numbers: [91, 53, 26] Generated Node #0,2: 62:[91, 53, 26] Operation: 36-10=26 Exploring Operation: 91-36=55, Resulting Numbers: [10, 53, 55] Generated Node #0,3: 62:[10, 53, 55] Operation: 91-36=55 Exploring Operation: 91-53=38, Resulting Numbers: [10, 36, 38] Generated Node #0,4: 62:[10, 36, 38] Operation: 91-53=38 Start Sub Search at level 1: Moving to Node #0,4 Current State: 62:[10, 36, 38], Operations: ['91-53=38'] Exploring Operation: 38-10=28, Resulting Numbers: [36, 28] Generated Node #0,4,0: 62:[36, 28] Operation: 38-10=28 Exploring Operation: 38-36=2, Resulting Numbers: [10, 2] Generated Node #0,4,1: 62:[10, 2] Operation: 38-36=2 Exploring Operation: 10+38=48, Resulting Numbers: [36, 48] Generated Node #0,4,2: 62:[36, 48] Operation: 10+38=48 Exploring Operation: 36-10=26, Resulting Numbers: [38, 26] Generated Node #0,4,3: 62:[38, 26] Operation: 36-10=26 Exploring Operation: 36+38=74, Resulting Numbers: [10, 74] Generated Node #0,4,4: 62:[10, 74] Operation: 36+38=74 Moving to Node #0,4,0 Current State: 62:[36, 28], Operations: ['91-53=38', '38-10=28'] Exploring Operation: 36-28=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 36+28=64, Resulting Numbers: [64] 64,62 unequal: No Solution Exploring Operation: 36*28=1008, Resulting Numbers: [1008] 1008,62 unequal: No Solution Moving to Node #0,4,1 Current State: 62:[10, 2], Operations: ['91-53=38', '38-36=2'] Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,62 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,62 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,62 unequal: No Solution Moving to Node #0,4,3 Current State: 62:[38, 26], Operations: ['91-53=38', '36-10=26'] Exploring Operation: 38*26=988, Resulting Numbers: [988] 988,62 unequal: No Solution Exploring Operation: 38+26=64, Resulting Numbers: [64] 64,62 unequal: No Solution Exploring Operation: 38-26=12, Resulting Numbers: [12] 12,62 unequal: No Solution Moving to Node #0,4,2 Current State: 62:[36, 48], Operations: ['91-53=38', '10+38=48'] Exploring Operation: 36+48=84, Resulting Numbers: [84] 84,62 unequal: No Solution Exploring Operation: 36*48=1728, Resulting Numbers: [1728] 1728,62 unequal: No Solution Exploring Operation: 48-36=12, Resulting Numbers: [12] 12,62 unequal: No Solution Moving to Node #0,4,4 Current State: 62:[10, 74], Operations: ['91-53=38', '36+38=74'] Exploring Operation: 10*74=740, Resulting Numbers: [740] 740,62 unequal: No Solution Exploring Operation: 10+74=84, Resulting Numbers: [84] 84,62 unequal: No Solution Exploring Operation: 74-10=64, Resulting Numbers: [64] 64,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 62:[10, 53, 55], Operations: ['91-36=55'] Exploring Operation: 10+55=65, Resulting Numbers: [53, 65] Generated Node #0,3,0: 62:[53, 65] Operation: 10+55=65 Exploring Operation: 53-10=43, Resulting Numbers: [55, 43] Generated Node #0,3,1: 62:[55, 43] Operation: 53-10=43 Exploring Operation: 55-53=2, Resulting Numbers: [10, 2] Generated Node #0,3,2: 62:[10, 2] Operation: 55-53=2 Exploring Operation: 10+53=63, Resulting Numbers: [55, 63] Generated Node #0,3,3: 62:[55, 63] Operation: 10+53=63 Exploring Operation: 55-10=45, Resulting Numbers: [53, 45] Generated Node #0,3,4: 62:[53, 45] Operation: 55-10=45 Moving to Node #0,3,2 Current State: 62:[10, 2], Operations: ['91-36=55', '55-53=2'] Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,62 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,62 unequal: No Solution Moving to Node #0,3,3 Current State: 62:[55, 63], Operations: ['91-36=55', '10+53=63'] Exploring Operation: 55+63=118, Resulting Numbers: [118] 118,62 unequal: No Solution Exploring Operation: 63-55=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 55*63=3465, Resulting Numbers: [3465] 3465,62 unequal: No Solution Moving to Node #0,3,0 Current State: 62:[53, 65], Operations: ['91-36=55', '10+55=65'] Exploring Operation: 65-53=12, Resulting Numbers: [12] 12,62 unequal: No Solution Exploring Operation: 53*65=3445, Resulting Numbers: [3445] 3445,62 unequal: No Solution Exploring Operation: 53+65=118, Resulting Numbers: [118] 118,62 unequal: No Solution Moving to Node #0,3,1 Current State: 62:[55, 43], Operations: ['91-36=55', '53-10=43'] Exploring Operation: 55-43=12, Resulting Numbers: [12] 12,62 unequal: No Solution Exploring Operation: 55*43=2365, Resulting Numbers: [2365] 2365,62 unequal: No Solution Exploring Operation: 55+43=98, Resulting Numbers: [98] 98,62 unequal: No Solution Moving to Node #0,3,4 Current State: 62:[53, 45], Operations: ['91-36=55', '55-10=45'] Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 53+45=98, Resulting Numbers: [98] 98,62 unequal: No Solution Exploring Operation: 53*45=2385, Resulting Numbers: [2385] 2385,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[53, 36, 81], Operations: ['91-10=81'] Exploring Operation: 36+81=117, Resulting Numbers: [53, 117] Generated Node #0,1,0: 62:[53, 117] Operation: 36+81=117 Exploring Operation: 81-53=28, Resulting Numbers: [36, 28] Generated Node #0,1,1: 62:[36, 28] Operation: 81-53=28 Exploring Operation: 53+36=89, Resulting Numbers: [81, 89] Generated Node #0,1,2: 62:[81, 89] Operation: 53+36=89 Exploring Operation: 53-36=17, Resulting Numbers: [81, 17] Generated Node #0,1,3: 62:[81, 17] Operation: 53-36=17 Exploring Operation: 81-36=45, Resulting Numbers: [53, 45] Generated Node #0,1,4: 62:[53, 45] Operation: 81-36=45 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 62:[36, 28], Operations: ['91-10=81', '81-53=28'] Exploring Operation: 36-28=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 36+28=64, Resulting Numbers: [64] 64,62 unequal: No Solution Exploring Operation: 36*28=1008, Resulting Numbers: [1008] 1008,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 62:[53, 45], Operations: ['91-10=81', '81-36=45'] Exploring Operation: 53+45=98, Resulting Numbers: [98] 98,62 unequal: No Solution Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 53*45=2385, Resulting Numbers: [2385] 2385,62 unequal: No Solution No 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: 62:[81, 17], Operations: ['91-10=81', '53-36=17'] Exploring Operation: 81*17=1377, Resulting Numbers: [1377] 1377,62 unequal: No Solution Exploring Operation: 81-17=64, Resulting Numbers: [64] 64,62 unequal: No Solution Exploring Operation: 81+17=98, Resulting Numbers: [98] 98,62 unequal: No Solution No 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: 62:[81, 89], Operations: ['91-10=81', '53+36=89'] Exploring Operation: 81+89=170, Resulting Numbers: [170] 170,62 unequal: No Solution Exploring Operation: 81*89=7209, Resulting Numbers: [7209] 7209,62 unequal: No Solution Exploring Operation: 89-81=8, Resulting Numbers: [8] 8,62 unequal: No Solution No 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: 62:[53, 117], Operations: ['91-10=81', '36+81=117'] Exploring Operation: 53+117=170, Resulting Numbers: [170] 170,62 unequal: No Solution Exploring Operation: 117-53=64, Resulting Numbers: [64] 64,62 unequal: No Solution Exploring Operation: 53*117=6201, Resulting Numbers: [6201] 6201,62 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: 62:[91, 36, 63], Operations: ['10+53=63'] Exploring Operation: 91+36=127, Resulting Numbers: [63, 127] Generated Node #0,0,0: 62:[63, 127] Operation: 91+36=127 Exploring Operation: 36+63=99, Resulting Numbers: [91, 99] Generated Node #0,0,1: 62:[91, 99] Operation: 36+63=99 Exploring Operation: 91-63=28, Resulting Numbers: [36, 28] Generated Node #0,0,2: 62:[36, 28] Operation: 91-63=28 Exploring Operation: 63-36=27, Resulting Numbers: [91, 27] Generated Node #0,0,3: 62:[91, 27] Operation: 63-36=27 Exploring Operation: 91-36=55, Resulting Numbers: [63, 55] Generated Node #0,0,4: 62:[63, 55] Operation: 91-36=55 Moving to Node #0,0,2 Current State: 62:[36, 28], Operations: ['10+53=63', '91-63=28'] Exploring Operation: 36*28=1008, Resulting Numbers: [1008] 1008,62 unequal: No Solution Exploring Operation: 36+28=64, Resulting Numbers: [64] 64,62 unequal: No Solution Exploring Operation: 36-28=8, Resulting Numbers: [8] 8,62 unequal: No Solution Moving to Node #0,0,4 Current State: 62:[63, 55], Operations: ['10+53=63', '91-36=55'] Exploring Operation: 63*55=3465, Resulting Numbers: [3465] 3465,62 unequal: No Solution Exploring Operation: 63-55=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 63+55=118, Resulting Numbers: [118] 118,62 unequal: No Solution Moving to Node #0,0,3 Current State: 62:[91, 27], Operations: ['10+53=63', '63-36=27'] Exploring Operation: 91-27=64, Resulting Numbers: [64] 64,62 unequal: No Solution Exploring Operation: 91+27=118, Resulting Numbers: [118] 118,62 unequal: No Solution Exploring Operation: 91*27=2457, Resulting Numbers: [2457] 2457,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[63, 127], Operations: ['10+53=63', '91+36=127'] Exploring Operation: 63+127=190, Resulting Numbers: [190] 190,62 unequal: No Solution Exploring Operation: 63*127=8001, Resulting Numbers: [8001] 8001,62 unequal: No Solution Exploring Operation: 127-63=64, Resulting Numbers: [64] 64,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[91, 99], Operations: ['10+53=63', '36+63=99'] Exploring Operation: 99-91=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 91+99=190, Resulting Numbers: [190] 190,62 unequal: No Solution Exploring Operation: 91*99=9009, Resulting Numbers: [9009] 9009,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 62:[91, 53, 26], Operations: ['36-10=26'] Exploring Operation: 53-26=27, Resulting Numbers: [91, 27] Generated Node #0,2,0: 62:[91, 27] Operation: 53-26=27 Exploring Operation: 53+26=79, Resulting Numbers: [91, 79] Generated Node #0,2,1: 62:[91, 79] Operation: 53+26=79 Exploring Operation: 91-53=38, Resulting Numbers: [26, 38] Generated Node #0,2,2: 62:[26, 38] Operation: 91-53=38 Exploring Operation: 91+26=117, Resulting Numbers: [53, 117] Generated Node #0,2,3: 62:[53, 117] Operation: 91+26=117 Exploring Operation: 91-26=65, Resulting Numbers: [53, 65] Generated Node #0,2,4: 62:[53, 65] Operation: 91-26=65 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 62:[26, 38], Operations: ['36-10=26', '91-53=38'] Exploring Operation: 26*38=988, Resulting Numbers: [988] 988,62 unequal: No Solution Exploring Operation: 26+38=64, Resulting Numbers: [64] 64,62 unequal: No Solution Exploring Operation: 38-26=12, Resulting Numbers: [12] 12,62 unequal: No Solution No 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: 62:[53, 65], Operations: ['36-10=26', '91-26=65'] Exploring Operation: 65-53=12, Resulting Numbers: [12] 12,62 unequal: No Solution Exploring Operation: 53*65=3445, Resulting Numbers: [3445] 3445,62 unequal: No Solution Exploring Operation: 53+65=118, Resulting Numbers: [118] 118,62 unequal: No Solution No 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: 62:[91, 27], Operations: ['36-10=26', '53-26=27'] Exploring Operation: 91*27=2457, Resulting Numbers: [2457] 2457,62 unequal: No Solution Exploring Operation: 91-27=64, Resulting Numbers: [64] 64,62 unequal: No Solution Exploring Operation: 91+27=118, Resulting Numbers: [118] 118,62 unequal: No Solution No 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: 62:[91, 79], Operations: ['36-10=26', '53+26=79'] Exploring Operation: 91*79=7189, Resulting Numbers: [7189] 7189,62 unequal: No Solution Exploring Operation: 91+79=170, Resulting Numbers: [170] 170,62 unequal: No Solution Exploring Operation: 91-79=12, Resulting Numbers: [12] 12,62 unequal: No Solution No 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: 62:[53, 117], Operations: ['36-10=26', '91+26=117'] Exploring Operation: 117-53=64, Resulting Numbers: [64] 64,62 unequal: No Solution Exploring Operation: 53+117=170, Resulting Numbers: [170] 170,62 unequal: No Solution Exploring Operation: 53*117=6201, Resulting Numbers: [6201] 6201,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 81, 66, 79, 41 ]
27
[ "81+66=147", "79+41=120", "147-120=27" ]
Current State: 27:[81, 66, 79, 41], Operations: [] Exploring Operation: 81+66=147, Resulting Numbers: [79, 41, 147] Generated Node #2: [79, 41, 147] from Operation: 81+66=147 Current State: 27:[79, 41, 147], Operations: ['81+66=147'] Exploring Operation: 79+41=120, Resulting Numbers: [147, 120] Generated Node #3: [147, 120] from Operation: 79+41=120 Current State: 27:[147, 120], Operations: ['81+66=147', '79+41=120'] Exploring Operation: 147-120=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[81, 66, 79, 41], Operations: [] Exploring Operation: 81-41=40, Resulting Numbers: [66, 79, 40] Generated Node #0,0: 27:[66, 79, 40] Operation: 81-41=40 Exploring Operation: 79-66=13, Resulting Numbers: [81, 41, 13] Generated Node #0,1: 27:[81, 41, 13] Operation: 79-66=13 Exploring Operation: 79-41=38, Resulting Numbers: [81, 66, 38] Generated Node #0,2: 27:[81, 66, 38] Operation: 79-41=38 Exploring Operation: 81-79=2, Resulting Numbers: [66, 41, 2] Generated Node #0,3: 27:[66, 41, 2] Operation: 81-79=2 Exploring Operation: 81-66=15, Resulting Numbers: [79, 41, 15] Generated Node #0,4: 27:[79, 41, 15] Operation: 81-66=15 Start Sub Search at level 1: Moving to Node #0,3 Current State: 27:[66, 41, 2], Operations: ['81-79=2'] Exploring Operation: 66-2=64, Resulting Numbers: [41, 64] Generated Node #0,3,0: 27:[41, 64] Operation: 66-2=64 Exploring Operation: 66/2=33, Resulting Numbers: [41, 33] Generated Node #0,3,1: 27:[41, 33] Operation: 66/2=33 Exploring Operation: 66-41=25, Resulting Numbers: [2, 25] Generated Node #0,3,2: 27:[2, 25] Operation: 66-41=25 Exploring Operation: 66+2=68, Resulting Numbers: [41, 68] Generated Node #0,3,3: 27:[41, 68] Operation: 66+2=68 Exploring Operation: 41-2=39, Resulting Numbers: [66, 39] Generated Node #0,3,4: 27:[66, 39] Operation: 41-2=39 Moving to Node #0,3,2 Current State: 27:[2, 25], Operations: ['81-79=2', '66-41=25'] Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,27 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[81, 66, 79, 41], Operations: [] Exploring Operation: 81-79=2, Resulting Numbers: [66, 41, 2] Generated Node #0,3: 27:[66, 41, 2] Operation: 81-79=2 Moving to Node #0,3 Current State: 27:[66, 41, 2], Operations: ['81-79=2'] Exploring Operation: 66-41=25, Resulting Numbers: [2, 25] Generated Node #0,3,2: 27:[2, 25] Operation: 66-41=25 Moving to Node #0,3,2 Current State: 27:[2, 25], Operations: ['81-79=2', '66-41=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 78, 5, 2, 16 ]
100
[ "16-5=11", "2*11=22", "78+22=100" ]
Current State: 100:[78, 5, 2, 16], Operations: [] Exploring Operation: 16-5=11, Resulting Numbers: [78, 2, 11] Generated Node #2: [78, 2, 11] from Operation: 16-5=11 Current State: 100:[78, 2, 11], Operations: ['16-5=11'] Exploring Operation: 2*11=22, Resulting Numbers: [78, 22] Generated Node #3: [78, 22] from Operation: 2*11=22 Current State: 100:[78, 22], Operations: ['16-5=11', '2*11=22'] Exploring Operation: 78+22=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[78, 5, 2, 16], Operations: [] Exploring Operation: 78+16=94, Resulting Numbers: [5, 2, 94] Generated Node #0,0: 100:[5, 2, 94] Operation: 78+16=94 Exploring Operation: 78-16=62, Resulting Numbers: [5, 2, 62] Generated Node #0,1: 100:[5, 2, 62] Operation: 78-16=62 Exploring Operation: 78/2=39, Resulting Numbers: [5, 16, 39] Generated Node #0,2: 100:[5, 16, 39] Operation: 78/2=39 Exploring Operation: 78+5=83, Resulting Numbers: [2, 16, 83] Generated Node #0,3: 100:[2, 16, 83] Operation: 78+5=83 Moving to Node #0,0 Current State: 100:[5, 2, 94], Operations: ['78+16=94'] Exploring Operation: 94/2=47, Resulting Numbers: [5, 47] Generated Node #0,0,0: 100:[5, 47] Operation: 94/2=47 Exploring Operation: 5*2=10, Resulting Numbers: [94, 10] Generated Node #0,0,1: 100:[94, 10] Operation: 5*2=10 Exploring Operation: 2+94=96, Resulting Numbers: [5, 96] Generated Node #0,0,2: 100:[5, 96] Operation: 2+94=96 Exploring Operation: 5+94=99, Resulting Numbers: [2, 99] Generated Node #0,0,3: 100:[2, 99] Operation: 5+94=99 Moving to Node #0,1 Current State: 100:[5, 2, 62], Operations: ['78-16=62'] Exploring Operation: 62-2=60, Resulting Numbers: [5, 60] Generated Node #0,1,0: 100:[5, 60] Operation: 62-2=60 Exploring Operation: 62/2=31, Resulting Numbers: [5, 31] Generated Node #0,1,1: 100:[5, 31] Operation: 62/2=31 Exploring Operation: 62-5=57, Resulting Numbers: [2, 57] Generated Node #0,1,2: 100:[2, 57] Operation: 62-5=57 Exploring Operation: 5*2=10, Resulting Numbers: [62, 10] Generated Node #0,1,3: 100:[62, 10] Operation: 5*2=10 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 100:[5, 31], Operations: ['78-16=62', '62/2=31'] Exploring Operation: 5*31=155, Resulting Numbers: [155] 155,100 unequal: No Solution Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,100 unequal: No Solution Exploring Operation: 5+31=36, Resulting Numbers: [36] 36,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 100:[2, 57], Operations: ['78-16=62', '62-5=57'] Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,100 unequal: No Solution Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,100 unequal: No Solution Exploring Operation: 2*57=114, Resulting Numbers: [114] 114,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 100:[5, 60], Operations: ['78-16=62', '62-2=60'] Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,100 unequal: No Solution Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,100 unequal: No Solution Exploring Operation: 5*60=300, Resulting Numbers: [300] 300,100 unequal: No Solution Exploring Operation: 5+60=65, Resulting Numbers: [65] 65,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 100:[62, 10], Operations: ['78-16=62', '5*2=10'] Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,100 unequal: No Solution Exploring Operation: 62*10=620, Resulting Numbers: [620] 620,100 unequal: No Solution Exploring Operation: 62+10=72, Resulting Numbers: [72] 72,100 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: 100:[5, 16, 39], Operations: ['78/2=39'] Exploring Operation: 39-16=23, Resulting Numbers: [5, 23] Generated Node #0,2,0: 100:[5, 23] Operation: 39-16=23 Exploring Operation: 16+39=55, Resulting Numbers: [5, 55] Generated Node #0,2,1: 100:[5, 55] Operation: 16+39=55 Exploring Operation: 5+16=21, Resulting Numbers: [39, 21] Generated Node #0,2,2: 100:[39, 21] Operation: 5+16=21 Exploring Operation: 5+39=44, Resulting Numbers: [16, 44] Generated Node #0,2,3: 100:[16, 44] Operation: 5+39=44 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 100:[5, 23], Operations: ['78/2=39', '39-16=23'] Exploring Operation: 5*23=115, Resulting Numbers: [115] 115,100 unequal: No Solution Exploring Operation: 5+23=28, Resulting Numbers: [28] 28,100 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 100:[5, 55], Operations: ['78/2=39', '16+39=55'] Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 5*55=275, Resulting Numbers: [275] 275,100 unequal: No Solution Exploring Operation: 5+55=60, Resulting Numbers: [60] 60,100 unequal: No Solution Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 100:[16, 44], Operations: ['78/2=39', '5+39=44'] Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,100 unequal: No Solution Exploring Operation: 16+44=60, Resulting Numbers: [60] 60,100 unequal: No Solution Exploring Operation: 16*44=704, Resulting Numbers: [704] 704,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 100:[39, 21], Operations: ['78/2=39', '5+16=21'] Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,100 unequal: No Solution Exploring Operation: 39+21=60, Resulting Numbers: [60] 60,100 unequal: No Solution Exploring Operation: 39*21=819, Resulting Numbers: [819] 819,100 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: 100:[2, 16, 83], Operations: ['78+5=83'] Exploring Operation: 83-16=67, Resulting Numbers: [2, 67] Generated Node #0,3,0: 100:[2, 67] Operation: 83-16=67 Exploring Operation: 16+83=99, Resulting Numbers: [2, 99] Generated Node #0,3,1: 100:[2, 99] Operation: 16+83=99 Exploring Operation: 16/2=8, Resulting Numbers: [83, 8] Generated Node #0,3,2: 100:[83, 8] Operation: 16/2=8 Exploring Operation: 2+16=18, Resulting Numbers: [83, 18] Generated Node #0,3,3: 100:[83, 18] Operation: 2+16=18 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 100:[2, 99], Operations: ['78+5=83', '16+83=99'] Exploring Operation: 2*99=198, Resulting Numbers: [198] 198,100 unequal: No Solution Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,100 unequal: No Solution Exploring Operation: 2+99=101, Resulting Numbers: [101] 101,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 100:[2, 67], Operations: ['78+5=83', '83-16=67'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,100 unequal: No Solution Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,100 unequal: No Solution Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 100:[83, 8], Operations: ['78+5=83', '16/2=8'] Exploring Operation: 83+8=91, Resulting Numbers: [91] 91,100 unequal: No Solution Exploring Operation: 83-8=75, Resulting Numbers: [75] 75,100 unequal: No Solution Exploring Operation: 83*8=664, Resulting Numbers: [664] 664,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 100:[83, 18], Operations: ['78+5=83', '2+16=18'] Exploring Operation: 83-18=65, Resulting Numbers: [65] 65,100 unequal: No Solution Exploring Operation: 83+18=101, Resulting Numbers: [101] 101,100 unequal: No Solution Exploring Operation: 83*18=1494, Resulting Numbers: [1494] 1494,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 100:[2, 99], Operations: ['78+16=94', '5+94=99'] Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,100 unequal: No Solution Exploring Operation: 2*99=198, Resulting Numbers: [198] 198,100 unequal: No Solution Exploring Operation: 2+99=101, Resulting Numbers: [101] 101,100 unequal: No Solution Moving to Node #0,0,0 Current State: 100:[5, 47], Operations: ['78+16=94', '94/2=47'] Exploring Operation: 5+47=52, Resulting Numbers: [52] 52,100 unequal: No Solution Exploring Operation: 5*47=235, Resulting Numbers: [235] 235,100 unequal: No Solution Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,100 unequal: No Solution Moving to Node #0,0,2 Current State: 100:[5, 96], Operations: ['78+16=94', '2+94=96'] Exploring Operation: 5+96=101, Resulting Numbers: [101] 101,100 unequal: No Solution Exploring Operation: 96-5=91, Resulting Numbers: [91] 91,100 unequal: No Solution Exploring Operation: 5*96=480, Resulting Numbers: [480] 480,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[94, 10], Operations: ['78+16=94', '5*2=10'] Exploring Operation: 94+10=104, Resulting Numbers: [104] 104,100 unequal: No Solution Exploring Operation: 94-10=84, Resulting Numbers: [84] 84,100 unequal: No Solution Exploring Operation: 94*10=940, Resulting Numbers: [940] 940,100 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 86, 9, 76, 11 ]
89
[ "86-76=10", "9*11=99", "99-10=89" ]
Current State: 89:[86, 9, 76, 11], Operations: [] Exploring Operation: 86-76=10, Resulting Numbers: [9, 11, 10] Generated Node #2: [9, 11, 10] from Operation: 86-76=10 Current State: 89:[9, 11, 10], Operations: ['86-76=10'] Exploring Operation: 9*11=99, Resulting Numbers: [10, 99] Generated Node #3: [10, 99] from Operation: 9*11=99 Current State: 89:[10, 99], Operations: ['86-76=10', '9*11=99'] Exploring Operation: 99-10=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[86, 9, 76, 11], Operations: [] Exploring Operation: 9*11=99, Resulting Numbers: [86, 76, 99] Generated Node #0,0: 89:[86, 76, 99] Operation: 9*11=99 Moving to Node #0,0 Current State: 89:[86, 76, 99], Operations: ['9*11=99'] Exploring Operation: 99-76=23, Resulting Numbers: [86, 23] Generated Node #0,0,0: 89:[86, 23] Operation: 99-76=23 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[86, 23], Operations: ['9*11=99', '99-76=23'] Exploring Operation: 86+23=109, Resulting Numbers: [109] 109,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 68, 72, 78, 45 ]
16
[ "78-68=10", "72*10=720", "720/45=16" ]
Current State: 16:[68, 72, 78, 45], Operations: [] Exploring Operation: 78-68=10, Resulting Numbers: [72, 45, 10] Generated Node #2: [72, 45, 10] from Operation: 78-68=10 Current State: 16:[72, 45, 10], Operations: ['78-68=10'] Exploring Operation: 72*10=720, Resulting Numbers: [45, 720] Generated Node #3: [45, 720] from Operation: 72*10=720 Current State: 16:[45, 720], Operations: ['78-68=10', '72*10=720'] Exploring Operation: 720/45=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[68, 72, 78, 45], Operations: [] Exploring Operation: 78-72=6, Resulting Numbers: [68, 45, 6] Generated Node #0,0: 16:[68, 45, 6] Operation: 78-72=6 Exploring Operation: 78-68=10, Resulting Numbers: [72, 45, 10] Generated Node #0,1: 16:[72, 45, 10] Operation: 78-68=10 Exploring Operation: 72-68=4, Resulting Numbers: [78, 45, 4] Generated Node #0,2: 16:[78, 45, 4] Operation: 72-68=4 Moving to Node #0,0 Current State: 16:[68, 45, 6], Operations: ['78-72=6'] Exploring Operation: 45-6=39, Resulting Numbers: [68, 39] Generated Node #0,0,0: 16:[68, 39] Operation: 45-6=39 Exploring Operation: 68-6=62, Resulting Numbers: [45, 62] Generated Node #0,0,1: 16:[45, 62] Operation: 68-6=62 Exploring Operation: 68-45=23, Resulting Numbers: [6, 23] Generated Node #0,0,2: 16:[6, 23] Operation: 68-45=23 Moving to Node #0,1 Current State: 16:[72, 45, 10], Operations: ['78-68=10'] Exploring Operation: 72-10=62, Resulting Numbers: [45, 62] Generated Node #0,1,0: 16:[45, 62] Operation: 72-10=62 Exploring Operation: 45-10=35, Resulting Numbers: [72, 35] Generated Node #0,1,1: 16:[72, 35] Operation: 45-10=35 Exploring Operation: 72-45=27, Resulting Numbers: [10, 27] Generated Node #0,1,2: 16:[10, 27] Operation: 72-45=27 Moving to Node #0,2 Current State: 16:[78, 45, 4], Operations: ['72-68=4'] Exploring Operation: 78-45=33, Resulting Numbers: [4, 33] Generated Node #0,2,0: 16:[4, 33] Operation: 78-45=33 Exploring Operation: 45-4=41, Resulting Numbers: [78, 41] Generated Node #0,2,1: 16:[78, 41] Operation: 45-4=41 Exploring Operation: 78-4=74, Resulting Numbers: [45, 74] Generated Node #0,2,2: 16:[45, 74] Operation: 78-4=74 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 16:[4, 33], Operations: ['72-68=4', '78-45=33'] Exploring Operation: 4*33=132, Resulting Numbers: [132] 132,16 unequal: No Solution Exploring Operation: 4+33=37, Resulting Numbers: [37] 37,16 unequal: No Solution Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 16:[78, 41], Operations: ['72-68=4', '45-4=41'] Exploring Operation: 78-41=37, Resulting Numbers: [37] 37,16 unequal: No Solution Exploring Operation: 78*41=3198, Resulting Numbers: [3198] 3198,16 unequal: No Solution Exploring Operation: 78+41=119, Resulting Numbers: [119] 119,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 16:[45, 74], Operations: ['72-68=4', '78-4=74'] Exploring Operation: 74-45=29, Resulting Numbers: [29] 29,16 unequal: No Solution Exploring Operation: 45*74=3330, Resulting Numbers: [3330] 3330,16 unequal: No Solution Exploring Operation: 45+74=119, Resulting Numbers: [119] 119,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 16:[6, 23], Operations: ['78-72=6', '68-45=23'] Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,16 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,16 unequal: No Solution Moving to Node #0,1,2 Current State: 16:[10, 27], Operations: ['78-68=10', '72-45=27'] Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 10*27=270, Resulting Numbers: [270] 270,16 unequal: No Solution Exploring Operation: 10+27=37, Resulting Numbers: [37] 37,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[45, 62], Operations: ['78-72=6', '68-6=62'] Exploring Operation: 62-45=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 45*62=2790, Resulting Numbers: [2790] 2790,16 unequal: No Solution Exploring Operation: 45+62=107, Resulting Numbers: [107] 107,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[72, 35], Operations: ['78-68=10', '45-10=35'] Exploring Operation: 72-35=37, Resulting Numbers: [37] 37,16 unequal: No Solution Exploring Operation: 72+35=107, Resulting Numbers: [107] 107,16 unequal: No Solution Exploring Operation: 72*35=2520, Resulting Numbers: [2520] 2520,16 unequal: No Solution Moving to Node #0,1,0 Current State: 16:[45, 62], Operations: ['78-68=10', '72-10=62'] Exploring Operation: 45*62=2790, Resulting Numbers: [2790] 2790,16 unequal: No Solution Exploring Operation: 62-45=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 45+62=107, Resulting Numbers: [107] 107,16 unequal: No Solution Moving to Node #0,0,0 Current State: 16:[68, 39], Operations: ['78-72=6', '45-6=39'] Exploring Operation: 68+39=107, Resulting Numbers: [107] 107,16 unequal: No Solution Exploring Operation: 68*39=2652, Resulting Numbers: [2652] 2652,16 unequal: No Solution Exploring Operation: 68-39=29, Resulting Numbers: [29] 29,16 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 27, 4, 42, 86 ]
21
[ "27-4=23", "86-42=44", "44-23=21" ]
Current State: 21:[27, 4, 42, 86], Operations: [] Exploring Operation: 27-4=23, Resulting Numbers: [42, 86, 23] Generated Node #2: [42, 86, 23] from Operation: 27-4=23 Current State: 21:[42, 86, 23], Operations: ['27-4=23'] Exploring Operation: 86-42=44, Resulting Numbers: [23, 44] Generated Node #3: [23, 44] from Operation: 86-42=44 Current State: 21:[23, 44], Operations: ['27-4=23', '86-42=44'] Exploring Operation: 44-23=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[27, 4, 42, 86], Operations: [] Exploring Operation: 86-27=59, Resulting Numbers: [4, 42, 59] Generated Node #0,0: 21:[4, 42, 59] Operation: 86-27=59 Exploring Operation: 42-27=15, Resulting Numbers: [4, 86, 15] Generated Node #0,1: 21:[4, 86, 15] Operation: 42-27=15 Exploring Operation: 27-4=23, Resulting Numbers: [42, 86, 23] Generated Node #0,2: 21:[42, 86, 23] Operation: 27-4=23 Exploring Operation: 86-42=44, Resulting Numbers: [27, 4, 44] Generated Node #0,3: 21:[27, 4, 44] Operation: 86-42=44 Moving to Node #0,3 Current State: 21:[27, 4, 44], Operations: ['86-42=44'] Exploring Operation: 27-4=23, Resulting Numbers: [44, 23] Generated Node #0,3,0: 21:[44, 23] Operation: 27-4=23 Exploring Operation: 44/4=11, Resulting Numbers: [27, 11] Generated Node #0,3,1: 21:[27, 11] Operation: 44/4=11 Exploring Operation: 44-4=40, Resulting Numbers: [27, 40] Generated Node #0,3,2: 21:[27, 40] Operation: 44-4=40 Exploring Operation: 44-27=17, Resulting Numbers: [4, 17] Generated Node #0,3,3: 21:[4, 17] Operation: 44-27=17 Moving to Node #0,0 Current State: 21:[4, 42, 59], Operations: ['86-27=59'] Exploring Operation: 59-42=17, Resulting Numbers: [4, 17] Generated Node #0,0,0: 21:[4, 17] Operation: 59-42=17 Exploring Operation: 42-4=38, Resulting Numbers: [59, 38] Generated Node #0,0,1: 21:[59, 38] Operation: 42-4=38 Exploring Operation: 4+42=46, Resulting Numbers: [59, 46] Generated Node #0,0,2: 21:[59, 46] Operation: 4+42=46 Exploring Operation: 59-4=55, Resulting Numbers: [42, 55] Generated Node #0,0,3: 21:[42, 55] Operation: 59-4=55 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 21:[4, 17], Operations: ['86-27=59', '59-42=17'] Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,21 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[27, 4, 42, 86], Operations: [] Exploring Operation: 86-27=59, Resulting Numbers: [4, 42, 59] Generated Node #0,0: 21:[4, 42, 59] Operation: 86-27=59 Moving to Node #0,0 Current State: 21:[4, 42, 59], Operations: ['86-27=59'] Exploring Operation: 59-42=17, Resulting Numbers: [4, 17] Generated Node #0,0,0: 21:[4, 17] Operation: 59-42=17 Moving to Node #0,0,0 Current State: 21:[4, 17], Operations: ['86-27=59', '59-42=17'] Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 63, 40, 83, 40 ]
100
[ "63-40=23", "83+40=123", "123-23=100" ]
Current State: 100:[63, 40, 83, 40], Operations: [] Exploring Operation: 63-40=23, Resulting Numbers: [83, 23] Generated Node #2: [83, 23] from Operation: 63-40=23 Current State: 100:[83, 23], Operations: ['63-40=23'] Exploring Operation: 83+40=123, Resulting Numbers: [23, 123] Generated Node #3: [23, 123] from Operation: 83+40=123 Current State: 100:[23, 123], Operations: ['63-40=23', '83+40=123'] Exploring Operation: 123-23=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[63, 40, 83, 40], Operations: [] Exploring Operation: 63-40=23, Resulting Numbers: [83, 40, 23] Generated Node #0,0: 100:[83, 40, 23] Operation: 63-40=23 Exploring Operation: 63-40=23, Resulting Numbers: [40, 83, 23] Generated Node #0,1: 100:[40, 83, 23] Operation: 63-40=23 Exploring Operation: 63+40=103, Resulting Numbers: [83, 40, 103] Generated Node #0,2: 100:[83, 40, 103] Operation: 63+40=103 Exploring Operation: 83-63=20, Resulting Numbers: [40, 40, 20] Generated Node #0,3: 100:[40, 40, 20] Operation: 83-63=20 Start Sub Search at level 1: Moving to Node #0,3 Current State: 100:[40, 40, 20], Operations: ['83-63=20'] Exploring Operation: 40-20=20, Resulting Numbers: [40, 20] Generated Node #0,3,0: 100:[40, 20] Operation: 40-20=20 Exploring Operation: 40/40=1, Resulting Numbers: [20, 1] Generated Node #0,3,1: 100:[20, 1] Operation: 40/40=1 Exploring Operation: 40/20=2, Resulting Numbers: [40, 2] Generated Node #0,3,2: 100:[40, 2] Operation: 40/20=2 Exploring Operation: 40-40=0, Resulting Numbers: [20, 0] Generated Node #0,3,3: 100:[20, 0] Operation: 40-40=0 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 100:[20, 1], Operations: ['83-63=20', '40/40=1'] Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,100 unequal: No Solution Exploring Operation: 20+1=21, Resulting Numbers: [21] 21,100 unequal: No Solution Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 100:[20, 0], Operations: ['83-63=20', '40-40=0'] Exploring Operation: 20*0=0, Resulting Numbers: [0] 0,100 unequal: No Solution Exploring Operation: 20+0=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 20-0=20, Resulting Numbers: [20] 20,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 100:[40, 20], Operations: ['83-63=20', '40-20=20'] Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 40+20=60, Resulting Numbers: [60] 60,100 unequal: No Solution Exploring Operation: 40*20=800, Resulting Numbers: [800] 800,100 unequal: No Solution Exploring Operation: 40/20=2, Resulting Numbers: [2] 2,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 100:[40, 2], Operations: ['83-63=20', '40/20=2'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,100 unequal: No Solution Exploring Operation: 40+2=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 40*2=80, Resulting Numbers: [80] 80,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[83, 40, 23], Operations: ['63-40=23'] Exploring Operation: 40-23=17, Resulting Numbers: [83, 17] Generated Node #0,0,0: 100:[83, 17] Operation: 40-23=17 Exploring Operation: 83-40=43, Resulting Numbers: [23, 43] Generated Node #0,0,1: 100:[23, 43] Operation: 83-40=43 Exploring Operation: 83-23=60, Resulting Numbers: [40, 60] Generated Node #0,0,2: 100:[40, 60] Operation: 83-23=60 Exploring Operation: 83+23=106, Resulting Numbers: [40, 106] Generated Node #0,0,3: 100:[40, 106] Operation: 83+23=106 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 100:[23, 43], Operations: ['63-40=23', '83-40=43'] Exploring Operation: 43-23=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 23+43=66, Resulting Numbers: [66] 66,100 unequal: No Solution Exploring Operation: 23*43=989, Resulting Numbers: [989] 989,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 100:[40, 106], Operations: ['63-40=23', '83+23=106'] Exploring Operation: 106-40=66, Resulting Numbers: [66] 66,100 unequal: No Solution Exploring Operation: 40*106=4240, Resulting Numbers: [4240] 4240,100 unequal: No Solution Exploring Operation: 40+106=146, Resulting Numbers: [146] 146,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 100:[83, 17], Operations: ['63-40=23', '40-23=17'] Exploring Operation: 83*17=1411, Resulting Numbers: [1411] 1411,100 unequal: No Solution Exploring Operation: 83+17=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[63, 40, 83, 40], Operations: [] Exploring Operation: 63-40=23, Resulting Numbers: [83, 40, 23] Generated Node #0,0: 100:[83, 40, 23] Operation: 63-40=23 Moving to Node #0,0 Current State: 100:[83, 40, 23], Operations: ['63-40=23'] Exploring Operation: 40-23=17, Resulting Numbers: [83, 17] Generated Node #0,0,0: 100:[83, 17] Operation: 40-23=17 Moving to Node #0,0,0 Current State: 100:[83, 17], Operations: ['63-40=23', '40-23=17'] Exploring Operation: 83+17=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.966146
hs_4
sum_heuristic
[ 36, 81, 80, 41 ]
18
[ "81-41=40", "36*40=1440", "1440/80=18" ]
Current State: 18:[36, 81, 80, 41], Operations: [] Exploring Operation: 81-41=40, Resulting Numbers: [36, 80, 40] Generated Node #2: [36, 80, 40] from Operation: 81-41=40 Current State: 18:[36, 80, 40], Operations: ['81-41=40'] Exploring Operation: 36*40=1440, Resulting Numbers: [80, 1440] Generated Node #3: [80, 1440] from Operation: 36*40=1440 Current State: 18:[80, 1440], Operations: ['81-41=40', '36*40=1440'] Exploring Operation: 1440/80=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[36, 81, 80, 41], Operations: [] Exploring Operation: 81-41=40, Resulting Numbers: [36, 80, 40] Generated Node #0,0: 18:[36, 80, 40] Operation: 81-41=40 Exploring Operation: 81-80=1, Resulting Numbers: [36, 41, 1] Generated Node #0,1: 18:[36, 41, 1] Operation: 81-80=1 Moving to Node #0,1 Current State: 18:[36, 41, 1], Operations: ['81-80=1'] Exploring Operation: 36-1=35, Resulting Numbers: [41, 35] Generated Node #0,1,0: 18:[41, 35] Operation: 36-1=35 Exploring Operation: 41-36=5, Resulting Numbers: [1, 5] Generated Node #0,1,1: 18:[1, 5] Operation: 41-36=5 Moving to Node #0,0 Current State: 18:[36, 80, 40], Operations: ['81-41=40'] Exploring Operation: 80-40=40, Resulting Numbers: [36, 40] Generated Node #0,0,0: 18:[36, 40] Operation: 80-40=40 Exploring Operation: 80/40=2, Resulting Numbers: [36, 2] Generated Node #0,0,1: 18:[36, 2] Operation: 80/40=2 Moving to Node #0,1,1 Current State: 18:[1, 5], Operations: ['81-80=1', '41-36=5'] Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,18 unequal: No Solution Exploring Operation: 1+5=6, Resulting Numbers: [6] 6,18 unequal: No Solution Moving to Node #0,0,1 Current State: 18:[36, 2], Operations: ['81-41=40', '80/40=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,18 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[36, 81, 80, 41], Operations: [] Exploring Operation: 81-41=40, Resulting Numbers: [36, 80, 40] Generated Node #0,0: 18:[36, 80, 40] Operation: 81-41=40 Moving to Node #0,0 Current State: 18:[36, 80, 40], Operations: ['81-41=40'] Exploring Operation: 80/40=2, Resulting Numbers: [36, 2] Generated Node #0,0,1: 18:[36, 2] Operation: 80/40=2 Moving to Node #0,0,1 Current State: 18:[36, 2], Operations: ['81-41=40', '80/40=2'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
0.987847
hs_2
mult_heuristic
[ 91, 63, 22, 29 ]
82
[ "29-22=7", "63/7=9", "91-9=82" ]
Current State: 82:[91, 63, 22, 29], Operations: [] Exploring Operation: 29-22=7, Resulting Numbers: [91, 63, 7] Generated Node #2: [91, 63, 7] from Operation: 29-22=7 Current State: 82:[91, 63, 7], Operations: ['29-22=7'] Exploring Operation: 63/7=9, Resulting Numbers: [91, 9] Generated Node #3: [91, 9] from Operation: 63/7=9 Current State: 82:[91, 9], Operations: ['29-22=7', '63/7=9'] Exploring Operation: 91-9=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[91, 63, 22, 29], Operations: [] Exploring Operation: 63-22=41, Resulting Numbers: [91, 29, 41] Generated Node #0,0: 82:[91, 29, 41] Operation: 63-22=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[91, 29, 41], Operations: ['63-22=41'] Exploring Operation: 41-29=12, Resulting Numbers: [91, 12] Generated Node #0,0,0: 82:[91, 12] Operation: 41-29=12 Moving to Node #0,0,0 Current State: 82:[91, 12], Operations: ['63-22=41', '41-29=12'] Exploring Operation: 91-12=79, Resulting Numbers: [79] 79,82 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
[ 52, 18, 52, 66 ]
85
[ "52/52=1", "18+66=84", "1+84=85" ]
Current State: 85:[52, 18, 52, 66], Operations: [] Exploring Operation: 52/52=1, Resulting Numbers: [18, 66, 1] Generated Node #2: [18, 66, 1] from Operation: 52/52=1 Current State: 85:[18, 66, 1], Operations: ['52/52=1'] Exploring Operation: 18+66=84, Resulting Numbers: [1, 84] Generated Node #3: [1, 84] from Operation: 18+66=84 Current State: 85:[1, 84], Operations: ['52/52=1', '18+66=84'] Exploring Operation: 1+84=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[52, 18, 52, 66], Operations: [] Exploring Operation: 52/52=1, Resulting Numbers: [18, 66, 1] Generated Node #0,0: 85:[18, 66, 1] Operation: 52/52=1 Exploring Operation: 52-52=0, Resulting Numbers: [18, 66, 0] Generated Node #0,1: 85:[18, 66, 0] Operation: 52-52=0 Moving to Node #0,0 Current State: 85:[18, 66, 1], Operations: ['52/52=1'] Exploring Operation: 18+66=84, Resulting Numbers: [1, 84] Generated Node #0,0,0: 85:[1, 84] Operation: 18+66=84 Exploring Operation: 18-1=17, Resulting Numbers: [66, 17] Generated Node #0,0,1: 85:[66, 17] Operation: 18-1=17 Moving to Node #0,1 Current State: 85:[18, 66, 0], Operations: ['52-52=0'] Exploring Operation: 18+66=84, Resulting Numbers: [0, 84] Generated Node #0,1,0: 85:[0, 84] Operation: 18+66=84 Exploring Operation: 66*0=0, Resulting Numbers: [18, 0] Generated Node #0,1,1: 85:[18, 0] Operation: 66*0=0 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 85:[0, 84], Operations: ['52-52=0', '18+66=84'] Exploring Operation: 0+84=84, Resulting Numbers: [84] 84,85 unequal: No Solution Exploring Operation: 84-0=84, Resulting Numbers: [84] 84,85 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 #0,1,1 Current State: 85:[18, 0], Operations: ['52-52=0', '66*0=0'] Exploring Operation: 18-0=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 18+0=18, Resulting Numbers: [18] 18,85 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: 85:[1, 84], Operations: ['52/52=1', '18+66=84'] Exploring Operation: 1*84=84, Resulting Numbers: [84] 84,85 unequal: No Solution Exploring Operation: 1+84=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[52, 18, 52, 66], Operations: [] Exploring Operation: 52/52=1, Resulting Numbers: [18, 66, 1] Generated Node #0,0: 85:[18, 66, 1] Operation: 52/52=1 Moving to Node #0,0 Current State: 85:[18, 66, 1], Operations: ['52/52=1'] Exploring Operation: 18+66=84, Resulting Numbers: [1, 84] Generated Node #0,0,0: 85:[1, 84] Operation: 18+66=84 Moving to Node #0,0,0 Current State: 85:[1, 84], Operations: ['52/52=1', '18+66=84'] Exploring Operation: 1+84=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 66, 33, 2, 1 ]
17
[ "66-33=33", "1+33=34", "34/2=17" ]
Current State: 17:[66, 33, 2, 1], Operations: [] Exploring Operation: 66-33=33, Resulting Numbers: [2, 1, 33] Generated Node #2: [2, 1, 33] from Operation: 66-33=33 Current State: 17:[2, 1, 33], Operations: ['66-33=33'] Exploring Operation: 1+33=34, Resulting Numbers: [2, 34] Generated Node #3: [2, 34] from Operation: 1+33=34 Current State: 17:[2, 34], Operations: ['66-33=33', '1+33=34'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[66, 33, 2, 1], Operations: [] Exploring Operation: 66/2=33, Resulting Numbers: [33, 1, 33] Generated Node #0,0: 17:[33, 1, 33] Operation: 66/2=33 Exploring Operation: 66/33=2, Resulting Numbers: [2, 1, 2] Generated Node #0,1: 17:[2, 1, 2] Operation: 66/33=2 Exploring Operation: 66-33=33, Resulting Numbers: [2, 1, 33] Generated Node #0,2: 17:[2, 1, 33] Operation: 66-33=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[2, 1, 2], Operations: ['66/33=2'] Exploring Operation: 2+2=4, Resulting Numbers: [1, 4] Generated Node #0,1,0: 17:[1, 4] Operation: 2+2=4 Exploring Operation: 2+1=3, Resulting Numbers: [2, 3] Generated Node #0,1,1: 17:[2, 3] Operation: 2+1=3 Exploring Operation: 2*2=4, Resulting Numbers: [1, 4] Generated Node #0,1,2: 17:[1, 4] Operation: 2*2=4 Moving to Node #0,1,0 Current State: 17:[1, 4], Operations: ['66/33=2', '2+2=4'] Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,17 unequal: No Solution Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,17 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[2, 3], Operations: ['66/33=2', '2+1=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,17 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,17 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,17 unequal: No Solution Moving to Node #0,1,2 Current State: 17:[1, 4], Operations: ['66/33=2', '2*2=4'] Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,17 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,17 unequal: No Solution Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 17:[2, 1, 33], Operations: ['66-33=33'] Exploring Operation: 2+1=3, Resulting Numbers: [33, 3] Generated Node #0,2,0: 17:[33, 3] Operation: 2+1=3 Exploring Operation: 33-2=31, Resulting Numbers: [1, 31] Generated Node #0,2,1: 17:[1, 31] Operation: 33-2=31 Exploring Operation: 33-1=32, Resulting Numbers: [2, 32] Generated Node #0,2,2: 17:[2, 32] Operation: 33-1=32 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 17:[33, 3], Operations: ['66-33=33', '2+1=3'] Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,17 unequal: No Solution Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 17:[1, 31], Operations: ['66-33=33', '33-2=31'] Exploring Operation: 1*31=31, Resulting Numbers: [31] 31,17 unequal: No Solution Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,17 unequal: No Solution Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 17:[2, 32], Operations: ['66-33=33', '33-1=32'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,17 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[33, 1, 33], Operations: ['66/2=33'] Exploring Operation: 33-1=32, Resulting Numbers: [33, 32] Generated Node #0,0,0: 17:[33, 32] Operation: 33-1=32 Exploring Operation: 33*1=33, Resulting Numbers: [33, 33] Generated Node #0,0,1: 17:[33, 33] Operation: 33*1=33 Exploring Operation: 33-1=32, Resulting Numbers: [33, 32] Generated Node #0,0,2: 17:[33, 32] Operation: 33-1=32 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[33, 32], Operations: ['66/2=33', '33-1=32'] Exploring Operation: 33*32=1056, Resulting Numbers: [1056] 1056,17 unequal: No Solution Exploring Operation: 33+32=65, Resulting Numbers: [65] 65,17 unequal: No Solution Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 17:[33, 32], Operations: ['66/2=33', '33-1=32'] Exploring Operation: 33+32=65, Resulting Numbers: [65] 65,17 unequal: No Solution Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,17 unequal: No Solution Exploring Operation: 33*32=1056, Resulting Numbers: [1056] 1056,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 17:[33, 33], Operations: ['66/2=33', '33*1=33'] Exploring Operation: 33+33=66, Resulting Numbers: [66] 66,17 unequal: No Solution Exploring Operation: 33-33=0, Resulting Numbers: [0] 0,17 unequal: No Solution Exploring Operation: 33/33=1, Resulting Numbers: [1] 1,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 28, 70, 70, 14 ]
14
[ "28+70=98", "70+14=84", "98-84=14" ]
Current State: 14:[28, 70, 70, 14], Operations: [] Exploring Operation: 28+70=98, Resulting Numbers: [14, 98] Generated Node #2: [14, 98] from Operation: 28+70=98 Current State: 14:[14, 98], Operations: ['28+70=98'] Exploring Operation: 70+14=84, Resulting Numbers: [98, 84] Generated Node #3: [98, 84] from Operation: 70+14=84 Current State: 14:[98, 84], Operations: ['28+70=98', '70+14=84'] Exploring Operation: 98-84=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[28, 70, 70, 14], Operations: [] Exploring Operation: 70-70=0, Resulting Numbers: [28, 14, 0] Generated Node #0,0: 14:[28, 14, 0] Operation: 70-70=0 Exploring Operation: 70/70=1, Resulting Numbers: [28, 14, 1] Generated Node #0,1: 14:[28, 14, 1] Operation: 70/70=1 Exploring Operation: 70/14=5, Resulting Numbers: [28, 70, 5] Generated Node #0,2: 14:[28, 70, 5] Operation: 70/14=5 Exploring Operation: 70/14=5, Resulting Numbers: [28, 70, 5] Generated Node #0,3: 14:[28, 70, 5] Operation: 70/14=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[28, 14, 1], Operations: ['70/70=1'] Exploring Operation: 28-14=14, Resulting Numbers: [1, 14] Generated Node #0,1,0: 14:[1, 14] Operation: 28-14=14 Exploring Operation: 28/14=2, Resulting Numbers: [1, 2] Generated Node #0,1,1: 14:[1, 2] Operation: 28/14=2 Exploring Operation: 28*1=28, Resulting Numbers: [14, 28] Generated Node #0,1,2: 14:[14, 28] Operation: 28*1=28 Exploring Operation: 28-1=27, Resulting Numbers: [14, 27] Generated Node #0,1,3: 14:[14, 27] Operation: 28-1=27 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 14:[1, 14], Operations: ['70/70=1', '28-14=14'] Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[28, 70, 70, 14], Operations: [] Exploring Operation: 70/70=1, Resulting Numbers: [28, 14, 1] Generated Node #0,1: 14:[28, 14, 1] Operation: 70/70=1 Moving to Node #0,1 Current State: 14:[28, 14, 1], Operations: ['70/70=1'] Exploring Operation: 28-14=14, Resulting Numbers: [1, 14] Generated Node #0,1,0: 14:[1, 14] Operation: 28-14=14 Moving to Node #0,1,0 Current State: 14:[1, 14], Operations: ['70/70=1', '28-14=14'] Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 43, 2, 10, 89 ]
17
[ "43+10=53", "2*53=106", "106-89=17" ]
Current State: 17:[43, 2, 10, 89], Operations: [] Exploring Operation: 43+10=53, Resulting Numbers: [2, 89, 53] Generated Node #2: [2, 89, 53] from Operation: 43+10=53 Current State: 17:[2, 89, 53], Operations: ['43+10=53'] Exploring Operation: 2*53=106, Resulting Numbers: [89, 106] Generated Node #3: [89, 106] from Operation: 2*53=106 Current State: 17:[89, 106], Operations: ['43+10=53', '2*53=106'] Exploring Operation: 106-89=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[43, 2, 10, 89], Operations: [] Exploring Operation: 43-2=41, Resulting Numbers: [10, 89, 41] Generated Node #0,0: 17:[10, 89, 41] Operation: 43-2=41 Exploring Operation: 89-43=46, Resulting Numbers: [2, 10, 46] Generated Node #0,1: 17:[2, 10, 46] Operation: 89-43=46 Exploring Operation: 2+10=12, Resulting Numbers: [43, 89, 12] Generated Node #0,2: 17:[43, 89, 12] Operation: 2+10=12 Exploring Operation: 2*10=20, Resulting Numbers: [43, 89, 20] Generated Node #0,3: 17:[43, 89, 20] Operation: 2*10=20 Exploring Operation: 43-10=33, Resulting Numbers: [2, 89, 33] Generated Node #0,4: 17:[2, 89, 33] Operation: 43-10=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[2, 10, 46], Operations: ['89-43=46'] Exploring Operation: 46-2=44, Resulting Numbers: [10, 44] Generated Node #0,1,0: 17:[10, 44] Operation: 46-2=44 Exploring Operation: 46/2=23, Resulting Numbers: [10, 23] Generated Node #0,1,1: 17:[10, 23] Operation: 46/2=23 Exploring Operation: 2*10=20, Resulting Numbers: [46, 20] Generated Node #0,1,2: 17:[46, 20] Operation: 2*10=20 Exploring Operation: 2+10=12, Resulting Numbers: [46, 12] Generated Node #0,1,3: 17:[46, 12] Operation: 2+10=12 Exploring Operation: 46-10=36, Resulting Numbers: [2, 36] Generated Node #0,1,4: 17:[2, 36] Operation: 46-10=36 Moving to Node #0,1,1 Current State: 17:[10, 23], Operations: ['89-43=46', '46/2=23'] Exploring Operation: 10+23=33, Resulting Numbers: [33] 33,17 unequal: No Solution Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,17 unequal: No Solution Exploring Operation: 10*23=230, Resulting Numbers: [230] 230,17 unequal: No Solution Moving to Node #0,1,2 Current State: 17:[46, 20], Operations: ['89-43=46', '2*10=20'] Exploring Operation: 46+20=66, Resulting Numbers: [66] 66,17 unequal: No Solution Exploring Operation: 46-20=26, Resulting Numbers: [26] 26,17 unequal: No Solution Exploring Operation: 46*20=920, Resulting Numbers: [920] 920,17 unequal: No Solution Moving to Node #0,1,0 Current State: 17:[10, 44], Operations: ['89-43=46', '46-2=44'] Exploring Operation: 10+44=54, Resulting Numbers: [54] 54,17 unequal: No Solution Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,17 unequal: No Solution Exploring Operation: 10*44=440, Resulting Numbers: [440] 440,17 unequal: No Solution Moving to Node #0,1,3 Current State: 17:[46, 12], Operations: ['89-43=46', '2+10=12'] Exploring Operation: 46*12=552, Resulting Numbers: [552] 552,17 unequal: No Solution Exploring Operation: 46+12=58, Resulting Numbers: [58] 58,17 unequal: No Solution Exploring Operation: 46-12=34, Resulting Numbers: [34] 34,17 unequal: No Solution Moving to Node #0,1,4 Current State: 17:[2, 36], Operations: ['89-43=46', '46-10=36'] Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,17 unequal: No Solution Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,17 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,17 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 17:[43, 89, 20], Operations: ['2*10=20'] Exploring Operation: 43+89=132, Resulting Numbers: [20, 132] Generated Node #0,3,0: 17:[20, 132] Operation: 43+89=132 Exploring Operation: 89-43=46, Resulting Numbers: [20, 46] Generated Node #0,3,1: 17:[20, 46] Operation: 89-43=46 Exploring Operation: 89-20=69, Resulting Numbers: [43, 69] Generated Node #0,3,2: 17:[43, 69] Operation: 89-20=69 Exploring Operation: 43-20=23, Resulting Numbers: [89, 23] Generated Node #0,3,3: 17:[89, 23] Operation: 43-20=23 Exploring Operation: 43+20=63, Resulting Numbers: [89, 63] Generated Node #0,3,4: 17:[89, 63] Operation: 43+20=63 Moving to Node #0,3,1 Current State: 17:[20, 46], Operations: ['2*10=20', '89-43=46'] Exploring Operation: 20+46=66, Resulting Numbers: [66] 66,17 unequal: No Solution Exploring Operation: 46-20=26, Resulting Numbers: [26] 26,17 unequal: No Solution Exploring Operation: 20*46=920, Resulting Numbers: [920] 920,17 unequal: No Solution Moving to Node #0,3,3 Current State: 17:[89, 23], Operations: ['2*10=20', '43-20=23'] Exploring Operation: 89-23=66, Resulting Numbers: [66] 66,17 unequal: No Solution Exploring Operation: 89+23=112, Resulting Numbers: [112] 112,17 unequal: No Solution Exploring Operation: 89*23=2047, Resulting Numbers: [2047] 2047,17 unequal: No Solution Moving to Node #0,3,2 Current State: 17:[43, 69], Operations: ['2*10=20', '89-20=69'] Exploring Operation: 43*69=2967, Resulting Numbers: [2967] 2967,17 unequal: No Solution Exploring Operation: 43+69=112, Resulting Numbers: [112] 112,17 unequal: No Solution Exploring Operation: 69-43=26, Resulting Numbers: [26] 26,17 unequal: No Solution Moving to Node #0,3,0 Current State: 17:[20, 132], Operations: ['2*10=20', '43+89=132'] Exploring Operation: 132-20=112, Resulting Numbers: [112] 112,17 unequal: No Solution Exploring Operation: 20+132=152, Resulting Numbers: [152] 152,17 unequal: No Solution Exploring Operation: 20*132=2640, Resulting Numbers: [2640] 2640,17 unequal: No Solution Moving to Node #0,3,4 Current State: 17:[89, 63], Operations: ['2*10=20', '43+20=63'] Exploring Operation: 89-63=26, Resulting Numbers: [26] 26,17 unequal: No Solution Exploring Operation: 89+63=152, Resulting Numbers: [152] 152,17 unequal: No Solution Exploring Operation: 89*63=5607, Resulting Numbers: [5607] 5607,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[10, 89, 41], Operations: ['43-2=41'] Exploring Operation: 89-41=48, Resulting Numbers: [10, 48] Generated Node #0,0,0: 17:[10, 48] Operation: 89-41=48 Exploring Operation: 41-10=31, Resulting Numbers: [89, 31] Generated Node #0,0,1: 17:[89, 31] Operation: 41-10=31 Exploring Operation: 89-10=79, Resulting Numbers: [41, 79] Generated Node #0,0,2: 17:[41, 79] Operation: 89-10=79 Exploring Operation: 10+89=99, Resulting Numbers: [41, 99] Generated Node #0,0,3: 17:[41, 99] Operation: 10+89=99 Exploring Operation: 10+41=51, Resulting Numbers: [89, 51] Generated Node #0,0,4: 17:[89, 51] Operation: 10+41=51 Moving to Node #0,0,0 Current State: 17:[10, 48], Operations: ['43-2=41', '89-41=48'] Exploring Operation: 10+48=58, Resulting Numbers: [58] 58,17 unequal: No Solution Exploring Operation: 10*48=480, Resulting Numbers: [480] 480,17 unequal: No Solution Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,17 unequal: No Solution Moving to Node #0,0,2 Current State: 17:[41, 79], Operations: ['43-2=41', '89-10=79'] Exploring Operation: 79-41=38, Resulting Numbers: [38] 38,17 unequal: No Solution Exploring Operation: 41*79=3239, Resulting Numbers: [3239] 3239,17 unequal: No Solution Exploring Operation: 41+79=120, Resulting Numbers: [120] 120,17 unequal: No Solution Moving to Node #0,0,1 Current State: 17:[89, 31], Operations: ['43-2=41', '41-10=31'] Exploring Operation: 89*31=2759, Resulting Numbers: [2759] 2759,17 unequal: No Solution Exploring Operation: 89-31=58, Resulting Numbers: [58] 58,17 unequal: No Solution Exploring Operation: 89+31=120, Resulting Numbers: [120] 120,17 unequal: No Solution Moving to Node #0,0,3 Current State: 17:[41, 99], Operations: ['43-2=41', '10+89=99'] Exploring Operation: 41+99=140, Resulting Numbers: [140] 140,17 unequal: No Solution Exploring Operation: 99-41=58, Resulting Numbers: [58] 58,17 unequal: No Solution Exploring Operation: 41*99=4059, Resulting Numbers: [4059] 4059,17 unequal: No Solution Moving to Node #0,0,4 Current State: 17:[89, 51], Operations: ['43-2=41', '10+41=51'] Exploring Operation: 89*51=4539, Resulting Numbers: [4539] 4539,17 unequal: No Solution Exploring Operation: 89-51=38, Resulting Numbers: [38] 38,17 unequal: No Solution Exploring Operation: 89+51=140, Resulting Numbers: [140] 140,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 17:[43, 89, 12], Operations: ['2+10=12'] Exploring Operation: 89-43=46, Resulting Numbers: [12, 46] Generated Node #0,2,0: 17:[12, 46] Operation: 89-43=46 Exploring Operation: 43+12=55, Resulting Numbers: [89, 55] Generated Node #0,2,1: 17:[89, 55] Operation: 43+12=55 Exploring Operation: 43-12=31, Resulting Numbers: [89, 31] Generated Node #0,2,2: 17:[89, 31] Operation: 43-12=31 Exploring Operation: 89+12=101, Resulting Numbers: [43, 101] Generated Node #0,2,3: 17:[43, 101] Operation: 89+12=101 Exploring Operation: 89-12=77, Resulting Numbers: [43, 77] Generated Node #0,2,4: 17:[43, 77] Operation: 89-12=77 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 17:[12, 46], Operations: ['2+10=12', '89-43=46'] Exploring Operation: 46-12=34, Resulting Numbers: [34] 34,17 unequal: No Solution Exploring Operation: 12+46=58, Resulting Numbers: [58] 58,17 unequal: No Solution Exploring Operation: 12*46=552, Resulting Numbers: [552] 552,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 17:[89, 31], Operations: ['2+10=12', '43-12=31'] Exploring Operation: 89*31=2759, Resulting Numbers: [2759] 2759,17 unequal: No Solution Exploring Operation: 89-31=58, Resulting Numbers: [58] 58,17 unequal: No Solution Exploring Operation: 89+31=120, Resulting Numbers: [120] 120,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 17:[43, 77], Operations: ['2+10=12', '89-12=77'] Exploring Operation: 43+77=120, Resulting Numbers: [120] 120,17 unequal: No Solution Exploring Operation: 77-43=34, Resulting Numbers: [34] 34,17 unequal: No Solution Exploring Operation: 43*77=3311, Resulting Numbers: [3311] 3311,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 17:[89, 55], Operations: ['2+10=12', '43+12=55'] Exploring Operation: 89-55=34, Resulting Numbers: [34] 34,17 unequal: No Solution Exploring Operation: 89*55=4895, Resulting Numbers: [4895] 4895,17 unequal: No Solution Exploring Operation: 89+55=144, Resulting Numbers: [144] 144,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 17:[43, 101], Operations: ['2+10=12', '89+12=101'] Exploring Operation: 43+101=144, Resulting Numbers: [144] 144,17 unequal: No Solution Exploring Operation: 101-43=58, Resulting Numbers: [58] 58,17 unequal: No Solution Exploring Operation: 43*101=4343, Resulting Numbers: [4343] 4343,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 17:[2, 89, 33], Operations: ['43-10=33'] Exploring Operation: 89-2=87, Resulting Numbers: [33, 87] Generated Node #0,4,0: 17:[33, 87] Operation: 89-2=87 Exploring Operation: 33-2=31, Resulting Numbers: [89, 31] Generated Node #0,4,1: 17:[89, 31] Operation: 33-2=31 Exploring Operation: 2+89=91, Resulting Numbers: [33, 91] Generated Node #0,4,2: 17:[33, 91] Operation: 2+89=91 Exploring Operation: 89-33=56, Resulting Numbers: [2, 56] Generated Node #0,4,3: 17:[2, 56] Operation: 89-33=56 Exploring Operation: 2+33=35, Resulting Numbers: [89, 35] Generated Node #0,4,4: 17:[89, 35] Operation: 2+33=35 Moving to Node #0,4,3 Current State: 17:[2, 56], Operations: ['43-10=33', '89-33=56'] Exploring Operation: 2*56=112, Resulting Numbers: [112] 112,17 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,17 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,17 unequal: No Solution Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,17 unequal: No Solution Moving to Node #0,4,1 Current State: 17:[89, 31], Operations: ['43-10=33', '33-2=31'] Exploring Operation: 89*31=2759, Resulting Numbers: [2759] 2759,17 unequal: No Solution Exploring Operation: 89-31=58, Resulting Numbers: [58] 58,17 unequal: No Solution Exploring Operation: 89+31=120, Resulting Numbers: [120] 120,17 unequal: No Solution Moving to Node #0,4,0 Current State: 17:[33, 87], Operations: ['43-10=33', '89-2=87'] Exploring Operation: 33+87=120, Resulting Numbers: [120] 120,17 unequal: No Solution Exploring Operation: 33*87=2871, Resulting Numbers: [2871] 2871,17 unequal: No Solution Exploring Operation: 87-33=54, Resulting Numbers: [54] 54,17 unequal: No Solution Moving to Node #0,4,2 Current State: 17:[33, 91], Operations: ['43-10=33', '2+89=91'] Exploring Operation: 33+91=124, Resulting Numbers: [124] 124,17 unequal: No Solution Exploring Operation: 33*91=3003, Resulting Numbers: [3003] 3003,17 unequal: No Solution Exploring Operation: 91-33=58, Resulting Numbers: [58] 58,17 unequal: No Solution Moving to Node #0,4,4 Current State: 17:[89, 35], Operations: ['43-10=33', '2+33=35'] Exploring Operation: 89+35=124, Resulting Numbers: [124] 124,17 unequal: No Solution Exploring Operation: 89*35=3115, Resulting Numbers: [3115] 3115,17 unequal: No Solution Exploring Operation: 89-35=54, Resulting Numbers: [54] 54,17 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
[ 16, 29, 8, 45 ]
37
[ "16/8=2", "29+45=74", "74/2=37" ]
Current State: 37:[16, 29, 8, 45], Operations: [] Exploring Operation: 16/8=2, Resulting Numbers: [29, 45, 2] Generated Node #2: [29, 45, 2] from Operation: 16/8=2 Current State: 37:[29, 45, 2], Operations: ['16/8=2'] Exploring Operation: 29+45=74, Resulting Numbers: [2, 74] Generated Node #3: [2, 74] from Operation: 29+45=74 Current State: 37:[2, 74], Operations: ['16/8=2', '29+45=74'] Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[16, 29, 8, 45], Operations: [] Exploring Operation: 45-8=37, Resulting Numbers: [16, 29, 37] Generated Node #0,0: 37:[16, 29, 37] Operation: 45-8=37 Exploring Operation: 16+8=24, Resulting Numbers: [29, 45, 24] Generated Node #0,1: 37:[29, 45, 24] Operation: 16+8=24 Exploring Operation: 29+8=37, Resulting Numbers: [16, 45, 37] Generated Node #0,2: 37:[16, 45, 37] Operation: 29+8=37 Exploring Operation: 16+29=45, Resulting Numbers: [8, 45, 45] Generated Node #0,3: 37:[8, 45, 45] Operation: 16+29=45 Moving to Node #0,0 Current State: 37:[16, 29, 37], Operations: ['45-8=37'] Exploring Operation: 16+37=53, Resulting Numbers: [29, 53] Generated Node #0,0,0: 37:[29, 53] Operation: 16+37=53 Exploring Operation: 29-16=13, Resulting Numbers: [37, 13] Generated Node #0,0,1: 37:[37, 13] Operation: 29-16=13 Exploring Operation: 37-16=21, Resulting Numbers: [29, 21] Generated Node #0,0,2: 37:[29, 21] Operation: 37-16=21 Exploring Operation: 16+29=45, Resulting Numbers: [37, 45] Generated Node #0,0,3: 37:[37, 45] Operation: 16+29=45 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 37:[37, 45], Operations: ['45-8=37', '16+29=45'] Exploring Operation: 45-37=8, Resulting Numbers: [8] 8,37 unequal: No Solution Exploring Operation: 37+45=82, Resulting Numbers: [82] 82,37 unequal: No Solution Exploring Operation: 37*45=1665, Resulting Numbers: [1665] 1665,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 37:[29, 53], Operations: ['45-8=37', '16+37=53'] Exploring Operation: 29+53=82, Resulting Numbers: [82] 82,37 unequal: No Solution Exploring Operation: 29*53=1537, Resulting Numbers: [1537] 1537,37 unequal: No Solution Exploring Operation: 53-29=24, Resulting Numbers: [24] 24,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 37:[37, 13], Operations: ['45-8=37', '29-16=13'] Exploring Operation: 37*13=481, Resulting Numbers: [481] 481,37 unequal: No Solution Exploring Operation: 37+13=50, Resulting Numbers: [50] 50,37 unequal: No Solution Exploring Operation: 37-13=24, Resulting Numbers: [24] 24,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 37:[29, 21], Operations: ['45-8=37', '37-16=21'] Exploring Operation: 29*21=609, Resulting Numbers: [609] 609,37 unequal: No Solution Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,37 unequal: No Solution Exploring Operation: 29+21=50, Resulting Numbers: [50] 50,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 37:[16, 45, 37], Operations: ['29+8=37'] Exploring Operation: 37-16=21, Resulting Numbers: [45, 21] Generated Node #0,2,0: 37:[45, 21] Operation: 37-16=21 Exploring Operation: 45-16=29, Resulting Numbers: [37, 29] Generated Node #0,2,1: 37:[37, 29] Operation: 45-16=29 Exploring Operation: 16+45=61, Resulting Numbers: [37, 61] Generated Node #0,2,2: 37:[37, 61] Operation: 16+45=61 Exploring Operation: 16+37=53, Resulting Numbers: [45, 53] Generated Node #0,2,3: 37:[45, 53] Operation: 16+37=53 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 37:[37, 29], Operations: ['29+8=37', '45-16=29'] Exploring Operation: 37*29=1073, Resulting Numbers: [1073] 1073,37 unequal: No Solution Exploring Operation: 37+29=66, Resulting Numbers: [66] 66,37 unequal: No Solution Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 37:[45, 21], Operations: ['29+8=37', '37-16=21'] Exploring Operation: 45-21=24, Resulting Numbers: [24] 24,37 unequal: No Solution Exploring Operation: 45*21=945, Resulting Numbers: [945] 945,37 unequal: No Solution Exploring Operation: 45+21=66, Resulting Numbers: [66] 66,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 37:[37, 61], Operations: ['29+8=37', '16+45=61'] Exploring Operation: 61-37=24, Resulting Numbers: [24] 24,37 unequal: No Solution Exploring Operation: 37*61=2257, Resulting Numbers: [2257] 2257,37 unequal: No Solution Exploring Operation: 37+61=98, Resulting Numbers: [98] 98,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 37:[45, 53], Operations: ['29+8=37', '16+37=53'] Exploring Operation: 45*53=2385, Resulting Numbers: [2385] 2385,37 unequal: No Solution Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,37 unequal: No Solution Exploring Operation: 45+53=98, Resulting Numbers: [98] 98,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 37:[29, 45, 24], Operations: ['16+8=24'] Exploring Operation: 29+24=53, Resulting Numbers: [45, 53] Generated Node #0,1,0: 37:[45, 53] Operation: 29+24=53 Exploring Operation: 45-24=21, Resulting Numbers: [29, 21] Generated Node #0,1,1: 37:[29, 21] Operation: 45-24=21 Exploring Operation: 45-29=16, Resulting Numbers: [24, 16] Generated Node #0,1,2: 37:[24, 16] Operation: 45-29=16 Exploring Operation: 29-24=5, Resulting Numbers: [45, 5] Generated Node #0,1,3: 37:[45, 5] Operation: 29-24=5 Moving to Node #0,3 Current State: 37:[8, 45, 45], Operations: ['16+29=45'] Exploring Operation: 8+45=53, Resulting Numbers: [45, 53] Generated Node #0,3,0: 37:[45, 53] Operation: 8+45=53 Exploring Operation: 8+45=53, Resulting Numbers: [45, 53] Generated Node #0,3,1: 37:[45, 53] Operation: 8+45=53 Exploring Operation: 45-8=37, Resulting Numbers: [45, 37] Generated Node #0,3,2: 37:[45, 37] Operation: 45-8=37 Exploring Operation: 45-8=37, Resulting Numbers: [45, 37] Generated Node #0,3,3: 37:[45, 37] Operation: 45-8=37 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 37:[45, 37], Operations: ['16+29=45', '45-8=37'] Exploring Operation: 45-37=8, Resulting Numbers: [8] 8,37 unequal: No Solution Exploring Operation: 45*37=1665, Resulting Numbers: [1665] 1665,37 unequal: No Solution Exploring Operation: 45+37=82, Resulting Numbers: [82] 82,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 37:[45, 37], Operations: ['16+29=45', '45-8=37'] Exploring Operation: 45+37=82, Resulting Numbers: [82] 82,37 unequal: No Solution Exploring Operation: 45*37=1665, Resulting Numbers: [1665] 1665,37 unequal: No Solution Exploring Operation: 45-37=8, Resulting Numbers: [8] 8,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 37:[45, 53], Operations: ['16+29=45', '8+45=53'] Exploring Operation: 45+53=98, Resulting Numbers: [98] 98,37 unequal: No Solution Exploring Operation: 45*53=2385, Resulting Numbers: [2385] 2385,37 unequal: No Solution Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 37:[45, 53], Operations: ['16+29=45', '8+45=53'] Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,37 unequal: No Solution Exploring Operation: 45*53=2385, Resulting Numbers: [2385] 2385,37 unequal: No Solution Exploring Operation: 45+53=98, Resulting Numbers: [98] 98,37 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: 37:[45, 53], Operations: ['16+8=24', '29+24=53'] Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,37 unequal: No Solution Exploring Operation: 45*53=2385, Resulting Numbers: [2385] 2385,37 unequal: No Solution Exploring Operation: 45+53=98, Resulting Numbers: [98] 98,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[29, 21], Operations: ['16+8=24', '45-24=21'] Exploring Operation: 29+21=50, Resulting Numbers: [50] 50,37 unequal: No Solution Exploring Operation: 29*21=609, Resulting Numbers: [609] 609,37 unequal: No Solution Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[24, 16], Operations: ['16+8=24', '45-29=16'] Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,37 unequal: No Solution Exploring Operation: 24+16=40, Resulting Numbers: [40] 40,37 unequal: No Solution Exploring Operation: 24*16=384, Resulting Numbers: [384] 384,37 unequal: No Solution Moving to Node #0,1,3 Current State: 37:[45, 5], Operations: ['16+8=24', '29-24=5'] Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,37 unequal: No Solution Exploring Operation: 45*5=225, Resulting Numbers: [225] 225,37 unequal: No Solution Exploring Operation: 45+5=50, Resulting Numbers: [50] 50,37 unequal: No Solution Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,37 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 2, 2, 26, 30 ]
19
[ "26/2=13", "2+30=32", "32-13=19" ]
Current State: 19:[2, 2, 26, 30], Operations: [] Exploring Operation: 26/2=13, Resulting Numbers: [30, 13] Generated Node #2: [30, 13] from Operation: 26/2=13 Current State: 19:[30, 13], Operations: ['26/2=13'] Exploring Operation: 2+30=32, Resulting Numbers: [13, 32] Generated Node #3: [13, 32] from Operation: 2+30=32 Current State: 19:[13, 32], Operations: ['26/2=13', '2+30=32'] Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[2, 2, 26, 30], Operations: [] Exploring Operation: 26-2=24, Resulting Numbers: [2, 30, 24] Generated Node #0,0: 19:[2, 30, 24] Operation: 26-2=24 Exploring Operation: 2*2=4, Resulting Numbers: [26, 30, 4] Generated Node #0,1: 19:[26, 30, 4] Operation: 2*2=4 Exploring Operation: 30/2=15, Resulting Numbers: [2, 26, 15] Generated Node #0,2: 19:[2, 26, 15] Operation: 30/2=15 Exploring Operation: 30/2=15, Resulting Numbers: [2, 26, 15] Generated Node #0,3: 19:[2, 26, 15] Operation: 30/2=15 Exploring Operation: 2+2=4, Resulting Numbers: [26, 30, 4] Generated Node #0,4: 19:[26, 30, 4] Operation: 2+2=4 Moving to Node #0,2 Current State: 19:[2, 26, 15], Operations: ['30/2=15'] Exploring Operation: 2+26=28, Resulting Numbers: [15, 28] Generated Node #0,2,0: 19:[15, 28] Operation: 2+26=28 Exploring Operation: 26-2=24, Resulting Numbers: [15, 24] Generated Node #0,2,1: 19:[15, 24] Operation: 26-2=24 Exploring Operation: 2+15=17, Resulting Numbers: [26, 17] Generated Node #0,2,2: 19:[26, 17] Operation: 2+15=17 Exploring Operation: 15-2=13, Resulting Numbers: [26, 13] Generated Node #0,2,3: 19:[26, 13] Operation: 15-2=13 Exploring Operation: 26/2=13, Resulting Numbers: [15, 13] Generated Node #0,2,4: 19:[15, 13] Operation: 26/2=13 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 19:[15, 24], Operations: ['30/2=15', '26-2=24'] Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 15*24=360, Resulting Numbers: [360] 360,19 unequal: No Solution Exploring Operation: 15+24=39, Resulting Numbers: [39] 39,19 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:[26, 17], Operations: ['30/2=15', '2+15=17'] Exploring Operation: 26*17=442, Resulting Numbers: [442] 442,19 unequal: No Solution Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,19 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:[15, 13], Operations: ['30/2=15', '26/2=13'] Exploring Operation: 15*13=195, Resulting Numbers: [195] 195,19 unequal: No Solution Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,19 unequal: No Solution Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 19:[15, 28], Operations: ['30/2=15', '2+26=28'] Exploring Operation: 15+28=43, Resulting Numbers: [43] 43,19 unequal: No Solution Exploring Operation: 15*28=420, Resulting Numbers: [420] 420,19 unequal: No Solution Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,19 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:[26, 13], Operations: ['30/2=15', '15-2=13'] Exploring Operation: 26+13=39, Resulting Numbers: [39] 39,19 unequal: No Solution Exploring Operation: 26*13=338, Resulting Numbers: [338] 338,19 unequal: No Solution Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,19 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:[2, 26, 15], Operations: ['30/2=15'] Exploring Operation: 2+26=28, Resulting Numbers: [15, 28] Generated Node #0,3,0: 19:[15, 28] Operation: 2+26=28 Exploring Operation: 15-2=13, Resulting Numbers: [26, 13] Generated Node #0,3,1: 19:[26, 13] Operation: 15-2=13 Exploring Operation: 26/2=13, Resulting Numbers: [15, 13] Generated Node #0,3,2: 19:[15, 13] Operation: 26/2=13 Exploring Operation: 2+15=17, Resulting Numbers: [26, 17] Generated Node #0,3,3: 19:[26, 17] Operation: 2+15=17 Exploring Operation: 26-2=24, Resulting Numbers: [15, 24] Generated Node #0,3,4: 19:[15, 24] Operation: 26-2=24 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 19:[26, 17], Operations: ['30/2=15', '2+15=17'] Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,19 unequal: No Solution Exploring Operation: 26*17=442, Resulting Numbers: [442] 442,19 unequal: No Solution Exploring Operation: 26-17=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 #0,3,4 Current State: 19:[15, 24], Operations: ['30/2=15', '26-2=24'] Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 15+24=39, Resulting Numbers: [39] 39,19 unequal: No Solution Exploring Operation: 15*24=360, Resulting Numbers: [360] 360,19 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:[15, 13], Operations: ['30/2=15', '26/2=13'] Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,19 unequal: No Solution Exploring Operation: 15*13=195, Resulting Numbers: [195] 195,19 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:[15, 28], Operations: ['30/2=15', '2+26=28'] Exploring Operation: 15+28=43, Resulting Numbers: [43] 43,19 unequal: No Solution Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,19 unequal: No Solution Exploring Operation: 15*28=420, Resulting Numbers: [420] 420,19 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:[26, 13], Operations: ['30/2=15', '15-2=13'] Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,19 unequal: No Solution Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 26*13=338, Resulting Numbers: [338] 338,19 unequal: No Solution Exploring Operation: 26+13=39, Resulting Numbers: [39] 39,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 19:[2, 30, 24], Operations: ['26-2=24'] Exploring Operation: 2+30=32, Resulting Numbers: [24, 32] Generated Node #0,0,0: 19:[24, 32] Operation: 2+30=32 Exploring Operation: 24-2=22, Resulting Numbers: [30, 22] Generated Node #0,0,1: 19:[30, 22] Operation: 24-2=22 Exploring Operation: 30-2=28, Resulting Numbers: [24, 28] Generated Node #0,0,2: 19:[24, 28] Operation: 30-2=28 Exploring Operation: 2+24=26, Resulting Numbers: [30, 26] Generated Node #0,0,3: 19:[30, 26] Operation: 2+24=26 Exploring Operation: 30/2=15, Resulting Numbers: [24, 15] Generated Node #0,0,4: 19:[24, 15] Operation: 30/2=15 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 19:[24, 15], Operations: ['26-2=24', '30/2=15'] Exploring Operation: 24+15=39, Resulting Numbers: [39] 39,19 unequal: No Solution Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 24*15=360, Resulting Numbers: [360] 360,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[30, 22], Operations: ['26-2=24', '24-2=22'] Exploring Operation: 30+22=52, Resulting Numbers: [52] 52,19 unequal: No Solution Exploring Operation: 30*22=660, Resulting Numbers: [660] 660,19 unequal: No Solution Exploring Operation: 30-22=8, Resulting Numbers: [8] 8,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[24, 28], Operations: ['26-2=24', '30-2=28'] Exploring Operation: 24*28=672, Resulting Numbers: [672] 672,19 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 24+28=52, Resulting Numbers: [52] 52,19 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:[24, 32], Operations: ['26-2=24', '2+30=32'] Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,19 unequal: No Solution Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,19 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,19 unequal: No Solution No 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:[30, 26], Operations: ['26-2=24', '2+24=26'] Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 30+26=56, Resulting Numbers: [56] 56,19 unequal: No Solution Exploring Operation: 30*26=780, Resulting Numbers: [780] 780,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 19:[26, 30, 4], Operations: ['2*2=4'] Exploring Operation: 30-26=4, Resulting Numbers: [4, 4] Generated Node #0,1,0: 19:[4, 4] Operation: 30-26=4 Exploring Operation: 26-4=22, Resulting Numbers: [30, 22] Generated Node #0,1,1: 19:[30, 22] Operation: 26-4=22 Exploring Operation: 26+4=30, Resulting Numbers: [30, 30] Generated Node #0,1,2: 19:[30, 30] Operation: 26+4=30 Exploring Operation: 30-4=26, Resulting Numbers: [26, 26] Generated Node #0,1,3: 19:[26, 26] Operation: 30-4=26 Exploring Operation: 30+4=34, Resulting Numbers: [26, 34] Generated Node #0,1,4: 19:[26, 34] Operation: 30+4=34 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 19:[30, 22], Operations: ['2*2=4', '26-4=22'] Exploring Operation: 30-22=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 30+22=52, Resulting Numbers: [52] 52,19 unequal: No Solution Exploring Operation: 30*22=660, Resulting Numbers: [660] 660,19 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:[26, 26], Operations: ['2*2=4', '30-4=26'] Exploring Operation: 26-26=0, Resulting Numbers: [0] 0,19 unequal: No Solution Exploring Operation: 26*26=676, Resulting Numbers: [676] 676,19 unequal: No Solution Exploring Operation: 26/26=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 26+26=52, Resulting Numbers: [52] 52,19 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:[30, 30], Operations: ['2*2=4', '26+4=30'] Exploring Operation: 30/30=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 30*30=900, Resulting Numbers: [900] 900,19 unequal: No Solution Exploring Operation: 30-30=0, Resulting Numbers: [0] 0,19 unequal: No Solution Exploring Operation: 30+30=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 #0,1,4 Current State: 19:[26, 34], Operations: ['2*2=4', '30+4=34'] Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 26*34=884, Resulting Numbers: [884] 884,19 unequal: No Solution Exploring Operation: 26+34=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 #0,1,0 Current State: 19:[4, 4], Operations: ['2*2=4', '30-26=4'] Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,19 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,19 unequal: No Solution Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,19 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:[26, 30, 4], Operations: ['2+2=4'] Exploring Operation: 30+4=34, Resulting Numbers: [26, 34] Generated Node #0,4,0: 19:[26, 34] Operation: 30+4=34 Exploring Operation: 30-26=4, Resulting Numbers: [4, 4] Generated Node #0,4,1: 19:[4, 4] Operation: 30-26=4 Exploring Operation: 26+4=30, Resulting Numbers: [30, 30] Generated Node #0,4,2: 19:[30, 30] Operation: 26+4=30 Exploring Operation: 30-4=26, Resulting Numbers: [26, 26] Generated Node #0,4,3: 19:[26, 26] Operation: 30-4=26 Exploring Operation: 26-4=22, Resulting Numbers: [30, 22] Generated Node #0,4,4: 19:[30, 22] Operation: 26-4=22 Moving to Node #0,4,3 Current State: 19:[26, 26], Operations: ['2+2=4', '30-4=26'] Exploring Operation: 26/26=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 26+26=52, Resulting Numbers: [52] 52,19 unequal: No Solution Exploring Operation: 26*26=676, Resulting Numbers: [676] 676,19 unequal: No Solution Exploring Operation: 26-26=0, Resulting Numbers: [0] 0,19 unequal: No Solution Moving to Node #0,4,4 Current State: 19:[30, 22], Operations: ['2+2=4', '26-4=22'] Exploring Operation: 30+22=52, Resulting Numbers: [52] 52,19 unequal: No Solution Exploring Operation: 30-22=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 30*22=660, Resulting Numbers: [660] 660,19 unequal: No Solution Moving to Node #0,4,0 Current State: 19:[26, 34], Operations: ['2+2=4', '30+4=34'] Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 26*34=884, Resulting Numbers: [884] 884,19 unequal: No Solution Exploring Operation: 26+34=60, Resulting Numbers: [60] 60,19 unequal: No Solution Moving to Node #0,4,2 Current State: 19:[30, 30], Operations: ['2+2=4', '26+4=30'] Exploring Operation: 30/30=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 30*30=900, Resulting Numbers: [900] 900,19 unequal: No Solution Exploring Operation: 30+30=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 30-30=0, Resulting Numbers: [0] 0,19 unequal: No Solution Moving to Node #0,4,1 Current State: 19:[4, 4], Operations: ['2+2=4', '30-26=4'] Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,19 unequal: No Solution Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,19 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 86, 20, 95, 54 ]
65
[ "86+20=106", "95-54=41", "106-41=65" ]
Current State: 65:[86, 20, 95, 54], Operations: [] Exploring Operation: 86+20=106, Resulting Numbers: [95, 54, 106] Generated Node #2: [95, 54, 106] from Operation: 86+20=106 Current State: 65:[95, 54, 106], Operations: ['86+20=106'] Exploring Operation: 95-54=41, Resulting Numbers: [106, 41] Generated Node #3: [106, 41] from Operation: 95-54=41 Current State: 65:[106, 41], Operations: ['86+20=106', '95-54=41'] Exploring Operation: 106-41=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[86, 20, 95, 54], Operations: [] Exploring Operation: 95-20=75, Resulting Numbers: [86, 54, 75] Generated Node #0,0: 65:[86, 54, 75] Operation: 95-20=75 Exploring Operation: 95-54=41, Resulting Numbers: [86, 20, 41] Generated Node #0,1: 65:[86, 20, 41] Operation: 95-54=41 Exploring Operation: 86-20=66, Resulting Numbers: [95, 54, 66] Generated Node #0,2: 65:[95, 54, 66] Operation: 86-20=66 Exploring Operation: 95-86=9, Resulting Numbers: [20, 54, 9] Generated Node #0,3: 65:[20, 54, 9] Operation: 95-86=9 Start Sub Search at level 1: Moving to Node #0,3 Current State: 65:[20, 54, 9], Operations: ['95-86=9'] Exploring Operation: 20+54=74, Resulting Numbers: [9, 74] Generated Node #0,3,0: 65:[9, 74] Operation: 20+54=74 Exploring Operation: 20-9=11, Resulting Numbers: [54, 11] Generated Node #0,3,1: 65:[54, 11] Operation: 20-9=11 Exploring Operation: 54+9=63, Resulting Numbers: [20, 63] Generated Node #0,3,2: 65:[20, 63] Operation: 54+9=63 Exploring Operation: 54/9=6, Resulting Numbers: [20, 6] Generated Node #0,3,3: 65:[20, 6] Operation: 54/9=6 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 65:[20, 6], Operations: ['95-86=9', '54/9=6'] Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,65 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,65 unequal: No Solution Exploring Operation: 20*6=120, Resulting Numbers: [120] 120,65 unequal: No Solution No 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: 65:[20, 63], Operations: ['95-86=9', '54+9=63'] Exploring Operation: 63-20=43, Resulting Numbers: [43] 43,65 unequal: No Solution Exploring Operation: 20+63=83, Resulting Numbers: [83] 83,65 unequal: No Solution Exploring Operation: 20*63=1260, Resulting Numbers: [1260] 1260,65 unequal: No Solution No 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: 65:[9, 74], Operations: ['95-86=9', '20+54=74'] Exploring Operation: 74-9=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[86, 20, 95, 54], Operations: [] Exploring Operation: 95-86=9, Resulting Numbers: [20, 54, 9] Generated Node #0,3: 65:[20, 54, 9] Operation: 95-86=9 Moving to Node #0,3 Current State: 65:[20, 54, 9], Operations: ['95-86=9'] Exploring Operation: 20+54=74, Resulting Numbers: [9, 74] Generated Node #0,3,0: 65:[9, 74] Operation: 20+54=74 Moving to Node #0,3,0 Current State: 65:[9, 74], Operations: ['95-86=9', '20+54=74'] Exploring Operation: 74-9=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 18, 28, 93, 59 ]
22
[ "18*93=1674", "28*59=1652", "1674-1652=22" ]
Current State: 22:[18, 28, 93, 59], Operations: [] Exploring Operation: 18*93=1674, Resulting Numbers: [28, 59, 1674] Generated Node #2: [28, 59, 1674] from Operation: 18*93=1674 Current State: 22:[28, 59, 1674], Operations: ['18*93=1674'] Exploring Operation: 28*59=1652, Resulting Numbers: [1674, 1652] Generated Node #3: [1674, 1652] from Operation: 28*59=1652 Current State: 22:[1674, 1652], Operations: ['18*93=1674', '28*59=1652'] Exploring Operation: 1674-1652=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[18, 28, 93, 59], Operations: [] Exploring Operation: 93-28=65, Resulting Numbers: [18, 59, 65] Generated Node #0,0: 22:[18, 59, 65] Operation: 93-28=65 Exploring Operation: 93-59=34, Resulting Numbers: [18, 28, 34] Generated Node #0,1: 22:[18, 28, 34] Operation: 93-59=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[18, 28, 34], Operations: ['93-59=34'] Exploring Operation: 34-18=16, Resulting Numbers: [28, 16] Generated Node #0,1,0: 22:[28, 16] Operation: 34-18=16 Exploring Operation: 34-28=6, Resulting Numbers: [18, 6] Generated Node #0,1,1: 22:[18, 6] Operation: 34-28=6 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 22:[18, 6], Operations: ['93-59=34', '34-28=6'] Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,22 unequal: No Solution No 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: 22:[28, 16], Operations: ['93-59=34', '34-18=16'] Exploring Operation: 28+16=44, Resulting Numbers: [44] 44,22 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,22 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: 22:[18, 59, 65], Operations: ['93-28=65'] Exploring Operation: 59-18=41, Resulting Numbers: [65, 41] Generated Node #0,0,0: 22:[65, 41] Operation: 59-18=41 Exploring Operation: 65-59=6, Resulting Numbers: [18, 6] Generated Node #0,0,1: 22:[18, 6] Operation: 65-59=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 22:[18, 6], Operations: ['93-28=65', '65-59=6'] Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,22 unequal: No Solution No 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: 22:[65, 41], Operations: ['93-28=65', '59-18=41'] Exploring Operation: 65+41=106, Resulting Numbers: [106] 106,22 unequal: No Solution Exploring Operation: 65-41=24, Resulting Numbers: [24] 24,22 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
[ 58, 84, 82, 48 ]
80
[ "58+82=140", "48*140=6720", "6720/84=80" ]
Current State: 80:[58, 84, 82, 48], Operations: [] Exploring Operation: 58+82=140, Resulting Numbers: [84, 48, 140] Generated Node #2: [84, 48, 140] from Operation: 58+82=140 Current State: 80:[84, 48, 140], Operations: ['58+82=140'] Exploring Operation: 48*140=6720, Resulting Numbers: [84, 6720] Generated Node #3: [84, 6720] from Operation: 48*140=6720 Current State: 80:[84, 6720], Operations: ['58+82=140', '48*140=6720'] Exploring Operation: 6720/84=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[58, 84, 82, 48], Operations: [] Exploring Operation: 58-48=10, Resulting Numbers: [84, 82, 10] Generated Node #0,0: 80:[84, 82, 10] Operation: 58-48=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[84, 82, 10], Operations: ['58-48=10'] Exploring Operation: 84-82=2, Resulting Numbers: [10, 2] Generated Node #0,0,0: 80:[10, 2] Operation: 84-82=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[10, 2], Operations: ['58-48=10', '84-82=2'] Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 38, 85, 1, 5 ]
67
[ "5-1=4", "38*4=152", "152-85=67" ]
Current State: 67:[38, 85, 1, 5], Operations: [] Exploring Operation: 5-1=4, Resulting Numbers: [38, 85, 4] Generated Node #2: [38, 85, 4] from Operation: 5-1=4 Current State: 67:[38, 85, 4], Operations: ['5-1=4'] Exploring Operation: 38*4=152, Resulting Numbers: [85, 152] Generated Node #3: [85, 152] from Operation: 38*4=152 Current State: 67:[85, 152], Operations: ['5-1=4', '38*4=152'] Exploring Operation: 152-85=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[38, 85, 1, 5], Operations: [] Exploring Operation: 85-5=80, Resulting Numbers: [38, 1, 80] Generated Node #0,0: 67:[38, 1, 80] Operation: 85-5=80 Exploring Operation: 38+1=39, Resulting Numbers: [85, 5, 39] Generated Node #0,1: 67:[85, 5, 39] Operation: 38+1=39 Exploring Operation: 85-1=84, Resulting Numbers: [38, 5, 84] Generated Node #0,2: 67:[38, 5, 84] Operation: 85-1=84 Exploring Operation: 38+5=43, Resulting Numbers: [85, 1, 43] Generated Node #0,3: 67:[85, 1, 43] Operation: 38+5=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[38, 1, 80], Operations: ['85-5=80'] Exploring Operation: 38*1=38, Resulting Numbers: [80, 38] Generated Node #0,0,0: 67:[80, 38] Operation: 38*1=38 Exploring Operation: 80-1=79, Resulting Numbers: [38, 79] Generated Node #0,0,1: 67:[38, 79] Operation: 80-1=79 Exploring Operation: 38/1=38, Resulting Numbers: [80, 38] Generated Node #0,0,2: 67:[80, 38] Operation: 38/1=38 Exploring Operation: 38+1=39, Resulting Numbers: [80, 39] Generated Node #0,0,3: 67:[80, 39] Operation: 38+1=39 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 67:[38, 79], Operations: ['85-5=80', '80-1=79'] Exploring Operation: 79-38=41, Resulting Numbers: [41] 41,67 unequal: No Solution Exploring Operation: 38+79=117, Resulting Numbers: [117] 117,67 unequal: No Solution Exploring Operation: 38*79=3002, Resulting Numbers: [3002] 3002,67 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 #0,0,3 Current State: 67:[80, 39], Operations: ['85-5=80', '38+1=39'] Exploring Operation: 80*39=3120, Resulting Numbers: [3120] 3120,67 unequal: No Solution Exploring Operation: 80+39=119, Resulting Numbers: [119] 119,67 unequal: No Solution Exploring Operation: 80-39=41, Resulting Numbers: [41] 41,67 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:[80, 38], Operations: ['85-5=80', '38*1=38'] Exploring Operation: 80-38=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 80+38=118, Resulting Numbers: [118] 118,67 unequal: No Solution Exploring Operation: 80*38=3040, Resulting Numbers: [3040] 3040,67 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:[80, 38], Operations: ['85-5=80', '38/1=38'] Exploring Operation: 80*38=3040, Resulting Numbers: [3040] 3040,67 unequal: No Solution Exploring Operation: 80+38=118, Resulting Numbers: [118] 118,67 unequal: No Solution Exploring Operation: 80-38=42, Resulting Numbers: [42] 42,67 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:[85, 5, 39], Operations: ['38+1=39'] Exploring Operation: 85+5=90, Resulting Numbers: [39, 90] Generated Node #0,1,0: 67:[39, 90] Operation: 85+5=90 Exploring Operation: 5+39=44, Resulting Numbers: [85, 44] Generated Node #0,1,1: 67:[85, 44] Operation: 5+39=44 Exploring Operation: 85-5=80, Resulting Numbers: [39, 80] Generated Node #0,1,2: 67:[39, 80] Operation: 85-5=80 Exploring Operation: 39-5=34, Resulting Numbers: [85, 34] Generated Node #0,1,3: 67:[85, 34] Operation: 39-5=34 Moving to Node #0,1,1 Current State: 67:[85, 44], Operations: ['38+1=39', '5+39=44'] Exploring Operation: 85-44=41, Resulting Numbers: [41] 41,67 unequal: No Solution Exploring Operation: 85+44=129, Resulting Numbers: [129] 129,67 unequal: No Solution Exploring Operation: 85*44=3740, Resulting Numbers: [3740] 3740,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[39, 80], Operations: ['38+1=39', '85-5=80'] Exploring Operation: 39*80=3120, Resulting Numbers: [3120] 3120,67 unequal: No Solution Exploring Operation: 80-39=41, Resulting Numbers: [41] 41,67 unequal: No Solution Exploring Operation: 39+80=119, Resulting Numbers: [119] 119,67 unequal: No Solution Moving to Node #0,1,3 Current State: 67:[85, 34], Operations: ['38+1=39', '39-5=34'] Exploring Operation: 85+34=119, Resulting Numbers: [119] 119,67 unequal: No Solution Exploring Operation: 85*34=2890, Resulting Numbers: [2890] 2890,67 unequal: No Solution Exploring Operation: 85-34=51, Resulting Numbers: [51] 51,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[39, 90], Operations: ['38+1=39', '85+5=90'] Exploring Operation: 90-39=51, Resulting Numbers: [51] 51,67 unequal: No Solution Exploring Operation: 39+90=129, Resulting Numbers: [129] 129,67 unequal: No Solution Exploring Operation: 39*90=3510, Resulting Numbers: [3510] 3510,67 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:[38, 5, 84], Operations: ['85-1=84'] Exploring Operation: 5+84=89, Resulting Numbers: [38, 89] Generated Node #0,2,0: 67:[38, 89] Operation: 5+84=89 Exploring Operation: 84-5=79, Resulting Numbers: [38, 79] Generated Node #0,2,1: 67:[38, 79] Operation: 84-5=79 Exploring Operation: 38-5=33, Resulting Numbers: [84, 33] Generated Node #0,2,2: 67:[84, 33] Operation: 38-5=33 Exploring Operation: 38+5=43, Resulting Numbers: [84, 43] Generated Node #0,2,3: 67:[84, 43] Operation: 38+5=43 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 67:[38, 79], Operations: ['85-1=84', '84-5=79'] Exploring Operation: 38*79=3002, Resulting Numbers: [3002] 3002,67 unequal: No Solution Exploring Operation: 79-38=41, Resulting Numbers: [41] 41,67 unequal: No Solution Exploring Operation: 38+79=117, Resulting Numbers: [117] 117,67 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 #0,2,3 Current State: 67:[84, 43], Operations: ['85-1=84', '38+5=43'] Exploring Operation: 84-43=41, Resulting Numbers: [41] 41,67 unequal: No Solution Exploring Operation: 84*43=3612, Resulting Numbers: [3612] 3612,67 unequal: No Solution Exploring Operation: 84+43=127, Resulting Numbers: [127] 127,67 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 #0,2,0 Current State: 67:[38, 89], Operations: ['85-1=84', '5+84=89'] Exploring Operation: 89-38=51, Resulting Numbers: [51] 51,67 unequal: No Solution Exploring Operation: 38*89=3382, Resulting Numbers: [3382] 3382,67 unequal: No Solution Exploring Operation: 38+89=127, Resulting Numbers: [127] 127,67 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 #0,2,2 Current State: 67:[84, 33], Operations: ['85-1=84', '38-5=33'] Exploring Operation: 84*33=2772, Resulting Numbers: [2772] 2772,67 unequal: No Solution Exploring Operation: 84-33=51, Resulting Numbers: [51] 51,67 unequal: No Solution Exploring Operation: 84+33=117, Resulting Numbers: [117] 117,67 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 #0,3 Current State: 67:[85, 1, 43], Operations: ['38+5=43'] Exploring Operation: 85/1=85, Resulting Numbers: [43, 85] Generated Node #0,3,0: 67:[43, 85] Operation: 85/1=85 Exploring Operation: 85-1=84, Resulting Numbers: [43, 84] Generated Node #0,3,1: 67:[43, 84] Operation: 85-1=84 Exploring Operation: 85*1=85, Resulting Numbers: [43, 85] Generated Node #0,3,2: 67:[43, 85] Operation: 85*1=85 Exploring Operation: 1+43=44, Resulting Numbers: [85, 44] Generated Node #0,3,3: 67:[85, 44] Operation: 1+43=44 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 67:[43, 84], Operations: ['38+5=43', '85-1=84'] Exploring Operation: 84-43=41, Resulting Numbers: [41] 41,67 unequal: No Solution Exploring Operation: 43*84=3612, Resulting Numbers: [3612] 3612,67 unequal: No Solution Exploring Operation: 43+84=127, Resulting Numbers: [127] 127,67 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 #0,3,3 Current State: 67:[85, 44], Operations: ['38+5=43', '1+43=44'] Exploring Operation: 85*44=3740, Resulting Numbers: [3740] 3740,67 unequal: No Solution Exploring Operation: 85-44=41, Resulting Numbers: [41] 41,67 unequal: No Solution Exploring Operation: 85+44=129, Resulting Numbers: [129] 129,67 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 #0,3,0 Current State: 67:[43, 85], Operations: ['38+5=43', '85/1=85'] Exploring Operation: 43*85=3655, Resulting Numbers: [3655] 3655,67 unequal: No Solution Exploring Operation: 85-43=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 43+85=128, Resulting Numbers: [128] 128,67 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 #0,3,2 Current State: 67:[43, 85], Operations: ['38+5=43', '85*1=85'] Exploring Operation: 43*85=3655, Resulting Numbers: [3655] 3655,67 unequal: No Solution Exploring Operation: 43+85=128, Resulting Numbers: [128] 128,67 unequal: No Solution Exploring Operation: 85-43=42, Resulting Numbers: [42] 42,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 26, 15, 82, 29 ]
37
[ "29-26=3", "15*3=45", "82-45=37" ]
Current State: 37:[26, 15, 82, 29], Operations: [] Exploring Operation: 29-26=3, Resulting Numbers: [15, 82, 3] Generated Node #2: [15, 82, 3] from Operation: 29-26=3 Current State: 37:[15, 82, 3], Operations: ['29-26=3'] Exploring Operation: 15*3=45, Resulting Numbers: [82, 45] Generated Node #3: [82, 45] from Operation: 15*3=45 Current State: 37:[82, 45], Operations: ['29-26=3', '15*3=45'] Exploring Operation: 82-45=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[26, 15, 82, 29], Operations: [] Exploring Operation: 82-29=53, Resulting Numbers: [26, 15, 53] Generated Node #0,0: 37:[26, 15, 53] Operation: 82-29=53 Exploring Operation: 82-26=56, Resulting Numbers: [15, 29, 56] Generated Node #0,1: 37:[15, 29, 56] Operation: 82-26=56 Exploring Operation: 82-15=67, Resulting Numbers: [26, 29, 67] Generated Node #0,2: 37:[26, 29, 67] Operation: 82-15=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[26, 15, 53], Operations: ['82-29=53'] Exploring Operation: 53-26=27, Resulting Numbers: [15, 27] Generated Node #0,0,0: 37:[15, 27] Operation: 53-26=27 Exploring Operation: 53-15=38, Resulting Numbers: [26, 38] Generated Node #0,0,1: 37:[26, 38] Operation: 53-15=38 Exploring Operation: 26+15=41, Resulting Numbers: [53, 41] Generated Node #0,0,2: 37:[53, 41] Operation: 26+15=41 Moving to Node #0,0,1 Current State: 37:[26, 38], Operations: ['82-29=53', '53-15=38'] Exploring Operation: 26+38=64, Resulting Numbers: [64] 64,37 unequal: No Solution Exploring Operation: 38-26=12, Resulting Numbers: [12] 12,37 unequal: No Solution Exploring Operation: 26*38=988, Resulting Numbers: [988] 988,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[53, 41], Operations: ['82-29=53', '26+15=41'] Exploring Operation: 53-41=12, Resulting Numbers: [12] 12,37 unequal: No Solution Exploring Operation: 53*41=2173, Resulting Numbers: [2173] 2173,37 unequal: No Solution Exploring Operation: 53+41=94, Resulting Numbers: [94] 94,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[15, 27], Operations: ['82-29=53', '53-26=27'] Exploring Operation: 15*27=405, Resulting Numbers: [405] 405,37 unequal: No Solution Exploring Operation: 15+27=42, Resulting Numbers: [42] 42,37 unequal: No Solution Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[15, 29, 56], Operations: ['82-26=56'] Exploring Operation: 56-15=41, Resulting Numbers: [29, 41] Generated Node #0,1,0: 37:[29, 41] Operation: 56-15=41 Exploring Operation: 56-29=27, Resulting Numbers: [15, 27] Generated Node #0,1,1: 37:[15, 27] Operation: 56-29=27 Exploring Operation: 15+29=44, Resulting Numbers: [56, 44] Generated Node #0,1,2: 37:[56, 44] Operation: 15+29=44 Moving to Node #0,1,0 Current State: 37:[29, 41], Operations: ['82-26=56', '56-15=41'] Exploring Operation: 29*41=1189, Resulting Numbers: [1189] 1189,37 unequal: No Solution Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,37 unequal: No Solution Exploring Operation: 29+41=70, Resulting Numbers: [70] 70,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[56, 44], Operations: ['82-26=56', '15+29=44'] Exploring Operation: 56+44=100, Resulting Numbers: [100] 100,37 unequal: No Solution Exploring Operation: 56*44=2464, Resulting Numbers: [2464] 2464,37 unequal: No Solution Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[15, 27], Operations: ['82-26=56', '56-29=27'] Exploring Operation: 15*27=405, Resulting Numbers: [405] 405,37 unequal: No Solution Exploring Operation: 15+27=42, Resulting Numbers: [42] 42,37 unequal: No Solution Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[26, 29, 67], Operations: ['82-15=67'] Exploring Operation: 67-29=38, Resulting Numbers: [26, 38] Generated Node #0,2,0: 37:[26, 38] Operation: 67-29=38 Exploring Operation: 26+29=55, Resulting Numbers: [67, 55] Generated Node #0,2,1: 37:[67, 55] Operation: 26+29=55 Exploring Operation: 67-26=41, Resulting Numbers: [29, 41] Generated Node #0,2,2: 37:[29, 41] Operation: 67-26=41 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 37:[26, 38], Operations: ['82-15=67', '67-29=38'] Exploring Operation: 26+38=64, Resulting Numbers: [64] 64,37 unequal: No Solution Exploring Operation: 26*38=988, Resulting Numbers: [988] 988,37 unequal: No Solution Exploring Operation: 38-26=12, Resulting Numbers: [12] 12,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 37:[29, 41], Operations: ['82-15=67', '67-26=41'] Exploring Operation: 29*41=1189, Resulting Numbers: [1189] 1189,37 unequal: No Solution Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,37 unequal: No Solution Exploring Operation: 29+41=70, Resulting Numbers: [70] 70,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 37:[67, 55], Operations: ['82-15=67', '26+29=55'] Exploring Operation: 67-55=12, Resulting Numbers: [12] 12,37 unequal: No Solution Exploring Operation: 67*55=3685, Resulting Numbers: [3685] 3685,37 unequal: No Solution Exploring Operation: 67+55=122, Resulting Numbers: [122] 122,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 19, 49, 21, 67 ]
16
[ "49-19=30", "67-21=46", "46-30=16" ]
Current State: 16:[19, 49, 21, 67], Operations: [] Exploring Operation: 49-19=30, Resulting Numbers: [21, 67, 30] Generated Node #2: [21, 67, 30] from Operation: 49-19=30 Current State: 16:[21, 67, 30], Operations: ['49-19=30'] Exploring Operation: 67-21=46, Resulting Numbers: [30, 46] Generated Node #3: [30, 46] from Operation: 67-21=46 Current State: 16:[30, 46], Operations: ['49-19=30', '67-21=46'] Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[19, 49, 21, 67], Operations: [] Exploring Operation: 67-49=18, Resulting Numbers: [19, 21, 18] Generated Node #0,0: 16:[19, 21, 18] Operation: 67-49=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[19, 21, 18], Operations: ['67-49=18'] Exploring Operation: 21-19=2, Resulting Numbers: [18, 2] Generated Node #0,0,0: 16:[18, 2] Operation: 21-19=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 16:[18, 2], Operations: ['67-49=18', '21-19=2'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[19, 49, 21, 67], Operations: [] Exploring Operation: 67-49=18, Resulting Numbers: [19, 21, 18] Generated Node #0,0: 16:[19, 21, 18] Operation: 67-49=18 Moving to Node #0,0 Current State: 16:[19, 21, 18], Operations: ['67-49=18'] Exploring Operation: 21-19=2, Resulting Numbers: [18, 2] Generated Node #0,0,0: 16:[18, 2] Operation: 21-19=2 Moving to Node #0,0,0 Current State: 16:[18, 2], Operations: ['67-49=18', '21-19=2'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 40, 24, 6, 42 ]
68
[ "42-24=18", "6*18=108", "108-40=68" ]
Current State: 68:[40, 24, 6, 42], Operations: [] Exploring Operation: 42-24=18, Resulting Numbers: [40, 6, 18] Generated Node #2: [40, 6, 18] from Operation: 42-24=18 Current State: 68:[40, 6, 18], Operations: ['42-24=18'] Exploring Operation: 6*18=108, Resulting Numbers: [40, 108] Generated Node #3: [40, 108] from Operation: 6*18=108 Current State: 68:[40, 108], Operations: ['42-24=18', '6*18=108'] Exploring Operation: 108-40=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[40, 24, 6, 42], Operations: [] Exploring Operation: 42-40=2, Resulting Numbers: [24, 6, 2] Generated Node #0,0: 68:[24, 6, 2] Operation: 42-40=2 Exploring Operation: 24+42=66, Resulting Numbers: [40, 6, 66] Generated Node #0,1: 68:[40, 6, 66] Operation: 24+42=66 Exploring Operation: 40-24=16, Resulting Numbers: [6, 42, 16] Generated Node #0,2: 68:[6, 42, 16] Operation: 40-24=16 Exploring Operation: 40+24=64, Resulting Numbers: [6, 42, 64] Generated Node #0,3: 68:[6, 42, 64] Operation: 40+24=64 Exploring Operation: 42-24=18, Resulting Numbers: [40, 6, 18] Generated Node #0,4: 68:[40, 6, 18] Operation: 42-24=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[24, 6, 2], Operations: ['42-40=2'] Exploring Operation: 24-2=22, Resulting Numbers: [6, 22] Generated Node #0,0,0: 68:[6, 22] Operation: 24-2=22 Exploring Operation: 24-6=18, Resulting Numbers: [2, 18] Generated Node #0,0,1: 68:[2, 18] Operation: 24-6=18 Exploring Operation: 24/6=4, Resulting Numbers: [2, 4] Generated Node #0,0,2: 68:[2, 4] Operation: 24/6=4 Exploring Operation: 24/2=12, Resulting Numbers: [6, 12] Generated Node #0,0,3: 68:[6, 12] Operation: 24/2=12 Exploring Operation: 24+6=30, Resulting Numbers: [2, 30] Generated Node #0,0,4: 68:[2, 30] Operation: 24+6=30 Moving to Node #0,0,2 Current State: 68:[2, 4], Operations: ['42-40=2', '24/6=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,68 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,68 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[2, 18], Operations: ['42-40=2', '24-6=18'] Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,68 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,68 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,68 unequal: No Solution Moving to Node #0,0,4 Current State: 68:[2, 30], Operations: ['42-40=2', '24+6=30'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,68 unequal: No Solution Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,68 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,68 unequal: No Solution Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[6, 22], Operations: ['42-40=2', '24-2=22'] Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,68 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,68 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,68 unequal: No Solution Moving to Node #0,0,3 Current State: 68:[6, 12], Operations: ['42-40=2', '24/2=12'] Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,68 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,68 unequal: No Solution Exploring Operation: 6*12=72, Resulting Numbers: [72] 72,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 68:[40, 6, 18], Operations: ['42-24=18'] Exploring Operation: 40+18=58, Resulting Numbers: [6, 58] Generated Node #0,4,0: 68:[6, 58] Operation: 40+18=58 Exploring Operation: 18-6=12, Resulting Numbers: [40, 12] Generated Node #0,4,1: 68:[40, 12] Operation: 18-6=12 Exploring Operation: 40-6=34, Resulting Numbers: [18, 34] Generated Node #0,4,2: 68:[18, 34] Operation: 40-6=34 Exploring Operation: 18/6=3, Resulting Numbers: [40, 3] Generated Node #0,4,3: 68:[40, 3] Operation: 18/6=3 Exploring Operation: 40-18=22, Resulting Numbers: [6, 22] Generated Node #0,4,4: 68:[6, 22] Operation: 40-18=22 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 68:[18, 34], Operations: ['42-24=18', '40-6=34'] Exploring Operation: 18*34=612, Resulting Numbers: [612] 612,68 unequal: No Solution Exploring Operation: 18+34=52, Resulting Numbers: [52] 52,68 unequal: No Solution Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,68 unequal: No Solution No 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: 68:[40, 3], Operations: ['42-24=18', '18/6=3'] Exploring Operation: 40+3=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,68 unequal: No Solution Exploring Operation: 40*3=120, Resulting Numbers: [120] 120,68 unequal: No Solution No 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: 68:[6, 22], Operations: ['42-24=18', '40-18=22'] Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,68 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,68 unequal: No Solution Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,68 unequal: No Solution No 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: 68:[40, 12], Operations: ['42-24=18', '18-6=12'] Exploring Operation: 40*12=480, Resulting Numbers: [480] 480,68 unequal: No Solution Exploring Operation: 40+12=52, Resulting Numbers: [52] 52,68 unequal: No Solution Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,68 unequal: No Solution No 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: 68:[6, 58], Operations: ['42-24=18', '40+18=58'] Exploring Operation: 6+58=64, Resulting Numbers: [64] 64,68 unequal: No Solution Exploring Operation: 58-6=52, Resulting Numbers: [52] 52,68 unequal: No Solution Exploring Operation: 6*58=348, Resulting Numbers: [348] 348,68 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: 68:[40, 6, 66], Operations: ['24+42=66'] Exploring Operation: 40-6=34, Resulting Numbers: [66, 34] Generated Node #0,1,0: 68:[66, 34] Operation: 40-6=34 Exploring Operation: 40+6=46, Resulting Numbers: [66, 46] Generated Node #0,1,1: 68:[66, 46] Operation: 40+6=46 Exploring Operation: 66-40=26, Resulting Numbers: [6, 26] Generated Node #0,1,2: 68:[6, 26] Operation: 66-40=26 Exploring Operation: 66/6=11, Resulting Numbers: [40, 11] Generated Node #0,1,3: 68:[40, 11] Operation: 66/6=11 Exploring Operation: 6+66=72, Resulting Numbers: [40, 72] Generated Node #0,1,4: 68:[40, 72] Operation: 6+66=72 Moving to Node #0,1,0 Current State: 68:[66, 34], Operations: ['24+42=66', '40-6=34'] Exploring Operation: 66-34=32, Resulting Numbers: [32] 32,68 unequal: No Solution Exploring Operation: 66+34=100, Resulting Numbers: [100] 100,68 unequal: No Solution Exploring Operation: 66*34=2244, Resulting Numbers: [2244] 2244,68 unequal: No Solution Moving to Node #0,1,4 Current State: 68:[40, 72], Operations: ['24+42=66', '6+66=72'] Exploring Operation: 40*72=2880, Resulting Numbers: [2880] 2880,68 unequal: No Solution Exploring Operation: 72-40=32, Resulting Numbers: [32] 32,68 unequal: No Solution Exploring Operation: 40+72=112, Resulting Numbers: [112] 112,68 unequal: No Solution Moving to Node #0,1,2 Current State: 68:[6, 26], Operations: ['24+42=66', '66-40=26'] Exploring Operation: 6*26=156, Resulting Numbers: [156] 156,68 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,68 unequal: No Solution Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,68 unequal: No Solution Moving to Node #0,1,3 Current State: 68:[40, 11], Operations: ['24+42=66', '66/6=11'] Exploring Operation: 40*11=440, Resulting Numbers: [440] 440,68 unequal: No Solution Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,68 unequal: No Solution Exploring Operation: 40+11=51, Resulting Numbers: [51] 51,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[66, 46], Operations: ['24+42=66', '40+6=46'] Exploring Operation: 66-46=20, Resulting Numbers: [20] 20,68 unequal: No Solution Exploring Operation: 66*46=3036, Resulting Numbers: [3036] 3036,68 unequal: No Solution Exploring Operation: 66+46=112, Resulting Numbers: [112] 112,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 68:[6, 42, 16], Operations: ['40-24=16'] Exploring Operation: 42-16=26, Resulting Numbers: [6, 26] Generated Node #0,2,0: 68:[6, 26] Operation: 42-16=26 Exploring Operation: 6+16=22, Resulting Numbers: [42, 22] Generated Node #0,2,1: 68:[42, 22] Operation: 6+16=22 Exploring Operation: 42+16=58, Resulting Numbers: [6, 58] Generated Node #0,2,2: 68:[6, 58] Operation: 42+16=58 Exploring Operation: 42/6=7, Resulting Numbers: [16, 7] Generated Node #0,2,3: 68:[16, 7] Operation: 42/6=7 Exploring Operation: 42-6=36, Resulting Numbers: [16, 36] Generated Node #0,2,4: 68:[16, 36] Operation: 42-6=36 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 68:[16, 36], Operations: ['40-24=16', '42-6=36'] Exploring Operation: 16*36=576, Resulting Numbers: [576] 576,68 unequal: No Solution Exploring Operation: 16+36=52, Resulting Numbers: [52] 52,68 unequal: No Solution Exploring Operation: 36-16=20, Resulting Numbers: [20] 20,68 unequal: No Solution No 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: 68:[16, 7], Operations: ['40-24=16', '42/6=7'] Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,68 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 16*7=112, Resulting Numbers: [112] 112,68 unequal: No Solution No 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: 68:[6, 26], Operations: ['40-24=16', '42-16=26'] Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,68 unequal: No Solution Exploring Operation: 6*26=156, Resulting Numbers: [156] 156,68 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,68 unequal: No Solution No 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: 68:[6, 58], Operations: ['40-24=16', '42+16=58'] Exploring Operation: 6+58=64, Resulting Numbers: [64] 64,68 unequal: No Solution Exploring Operation: 6*58=348, Resulting Numbers: [348] 348,68 unequal: No Solution Exploring Operation: 58-6=52, Resulting Numbers: [52] 52,68 unequal: No Solution No 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: 68:[42, 22], Operations: ['40-24=16', '6+16=22'] Exploring Operation: 42-22=20, Resulting Numbers: [20] 20,68 unequal: No Solution Exploring Operation: 42+22=64, Resulting Numbers: [64] 64,68 unequal: No Solution Exploring Operation: 42*22=924, Resulting Numbers: [924] 924,68 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: 68:[6, 42, 64], Operations: ['40+24=64'] Exploring Operation: 42/6=7, Resulting Numbers: [64, 7] Generated Node #0,3,0: 68:[64, 7] Operation: 42/6=7 Exploring Operation: 42-6=36, Resulting Numbers: [64, 36] Generated Node #0,3,1: 68:[64, 36] Operation: 42-6=36 Exploring Operation: 64-42=22, Resulting Numbers: [6, 22] Generated Node #0,3,2: 68:[6, 22] Operation: 64-42=22 Exploring Operation: 6+42=48, Resulting Numbers: [64, 48] Generated Node #0,3,3: 68:[64, 48] Operation: 6+42=48 Exploring Operation: 6+64=70, Resulting Numbers: [42, 70] Generated Node #0,3,4: 68:[42, 70] Operation: 6+64=70 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 68:[64, 36], Operations: ['40+24=64', '42-6=36'] Exploring Operation: 64*36=2304, Resulting Numbers: [2304] 2304,68 unequal: No Solution Exploring Operation: 64+36=100, Resulting Numbers: [100] 100,68 unequal: No Solution Exploring Operation: 64-36=28, Resulting Numbers: [28] 28,68 unequal: No Solution No 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: 68:[64, 7], Operations: ['40+24=64', '42/6=7'] Exploring Operation: 64*7=448, Resulting Numbers: [448] 448,68 unequal: No Solution Exploring Operation: 64+7=71, Resulting Numbers: [71] 71,68 unequal: No Solution Exploring Operation: 64-7=57, Resulting Numbers: [57] 57,68 unequal: No Solution No 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: 68:[6, 22], Operations: ['40+24=64', '64-42=22'] Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,68 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,68 unequal: No Solution Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,68 unequal: No Solution No 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: 68:[42, 70], Operations: ['40+24=64', '6+64=70'] Exploring Operation: 42+70=112, Resulting Numbers: [112] 112,68 unequal: No Solution Exploring Operation: 70-42=28, Resulting Numbers: [28] 28,68 unequal: No Solution Exploring Operation: 42*70=2940, Resulting Numbers: [2940] 2940,68 unequal: No Solution No 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: 68:[64, 48], Operations: ['40+24=64', '6+42=48'] Exploring Operation: 64+48=112, Resulting Numbers: [112] 112,68 unequal: No Solution Exploring Operation: 64*48=3072, Resulting Numbers: [3072] 3072,68 unequal: No Solution Exploring Operation: 64-48=16, Resulting Numbers: [16] 16,68 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
[ 50, 94, 34, 22 ]
36
[ "94-50=44", "44/22=2", "34+2=36" ]
Current State: 36:[50, 94, 34, 22], Operations: [] Exploring Operation: 94-50=44, Resulting Numbers: [34, 22, 44] Generated Node #2: [34, 22, 44] from Operation: 94-50=44 Current State: 36:[34, 22, 44], Operations: ['94-50=44'] Exploring Operation: 44/22=2, Resulting Numbers: [34, 2] Generated Node #3: [34, 2] from Operation: 44/22=2 Current State: 36:[34, 2], Operations: ['94-50=44', '44/22=2'] Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[50, 94, 34, 22], Operations: [] Exploring Operation: 94-50=44, Resulting Numbers: [34, 22, 44] Generated Node #0,0: 36:[34, 22, 44] Operation: 94-50=44 Moving to Node #0,0 Current State: 36:[34, 22, 44], Operations: ['94-50=44'] Exploring Operation: 44/22=2, Resulting Numbers: [34, 2] Generated Node #0,0,0: 36:[34, 2] Operation: 44/22=2 Moving to Node #0,0,0 Current State: 36:[34, 2], Operations: ['94-50=44', '44/22=2'] Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[50, 94, 34, 22], Operations: [] Exploring Operation: 94-50=44, Resulting Numbers: [34, 22, 44] Generated Node #0,0: 36:[34, 22, 44] Operation: 94-50=44 Moving to Node #0,0 Current State: 36:[34, 22, 44], Operations: ['94-50=44'] Exploring Operation: 44/22=2, Resulting Numbers: [34, 2] Generated Node #0,0,0: 36:[34, 2] Operation: 44/22=2 Moving to Node #0,0,0 Current State: 36:[34, 2], Operations: ['94-50=44', '44/22=2'] Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 92, 5, 4, 8 ]
65
[ "92+5=97", "4*8=32", "97-32=65" ]
Current State: 65:[92, 5, 4, 8], Operations: [] Exploring Operation: 92+5=97, Resulting Numbers: [4, 8, 97] Generated Node #2: [4, 8, 97] from Operation: 92+5=97 Current State: 65:[4, 8, 97], Operations: ['92+5=97'] Exploring Operation: 4*8=32, Resulting Numbers: [97, 32] Generated Node #3: [97, 32] from Operation: 4*8=32 Current State: 65:[97, 32], Operations: ['92+5=97', '4*8=32'] Exploring Operation: 97-32=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[92, 5, 4, 8], Operations: [] Exploring Operation: 92-8=84, Resulting Numbers: [5, 4, 84] Generated Node #0,0: 65:[5, 4, 84] Operation: 92-8=84 Exploring Operation: 92/4=23, Resulting Numbers: [5, 8, 23] Generated Node #0,1: 65:[5, 8, 23] Operation: 92/4=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[5, 8, 23], Operations: ['92/4=23'] Exploring Operation: 23-8=15, Resulting Numbers: [5, 15] Generated Node #0,1,0: 65:[5, 15] Operation: 23-8=15 Exploring Operation: 23-5=18, Resulting Numbers: [8, 18] Generated Node #0,1,1: 65:[8, 18] Operation: 23-5=18 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 65:[5, 15], Operations: ['92/4=23', '23-8=15'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,65 unequal: No Solution No 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: 65:[8, 18], Operations: ['92/4=23', '23-5=18'] Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,65 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,65 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: 65:[5, 4, 84], Operations: ['92-8=84'] Exploring Operation: 84/4=21, Resulting Numbers: [5, 21] Generated Node #0,0,0: 65:[5, 21] Operation: 84/4=21 Exploring Operation: 84-5=79, Resulting Numbers: [4, 79] Generated Node #0,0,1: 65:[4, 79] Operation: 84-5=79 Moving to Node #0,0,0 Current State: 65:[5, 21], Operations: ['92-8=84', '84/4=21'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,65 unequal: No Solution Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[4, 79], Operations: ['92-8=84', '84-5=79'] Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 4+79=83, Resulting Numbers: [83] 83,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 56, 84, 47, 70 ]
94
[ "56+84=140", "47*140=6580", "6580/70=94" ]
Current State: 94:[56, 84, 47, 70], Operations: [] Exploring Operation: 56+84=140, Resulting Numbers: [47, 70, 140] Generated Node #2: [47, 70, 140] from Operation: 56+84=140 Current State: 94:[47, 70, 140], Operations: ['56+84=140'] Exploring Operation: 47*140=6580, Resulting Numbers: [70, 6580] Generated Node #3: [70, 6580] from Operation: 47*140=6580 Current State: 94:[70, 6580], Operations: ['56+84=140', '47*140=6580'] Exploring Operation: 6580/70=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[56, 84, 47, 70], Operations: [] Exploring Operation: 84-70=14, Resulting Numbers: [56, 47, 14] Generated Node #0,0: 94:[56, 47, 14] Operation: 84-70=14 Exploring Operation: 70-56=14, Resulting Numbers: [84, 47, 14] Generated Node #0,1: 94:[84, 47, 14] Operation: 70-56=14 Exploring Operation: 56-47=9, Resulting Numbers: [84, 70, 9] Generated Node #0,2: 94:[84, 70, 9] Operation: 56-47=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[56, 47, 14], Operations: ['84-70=14'] Exploring Operation: 56/14=4, Resulting Numbers: [47, 4] Generated Node #0,0,0: 94:[47, 4] Operation: 56/14=4 Exploring Operation: 56-47=9, Resulting Numbers: [14, 9] Generated Node #0,0,1: 94:[14, 9] Operation: 56-47=9 Exploring Operation: 56-14=42, Resulting Numbers: [47, 42] Generated Node #0,0,2: 94:[47, 42] Operation: 56-14=42 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 94:[47, 4], Operations: ['84-70=14', '56/14=4'] Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,94 unequal: No Solution Exploring Operation: 47*4=188, Resulting Numbers: [188] 188,94 unequal: No Solution Exploring Operation: 47+4=51, Resulting Numbers: [51] 51,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 94:[47, 42], Operations: ['84-70=14', '56-14=42'] Exploring Operation: 47+42=89, Resulting Numbers: [89] 89,94 unequal: No Solution Exploring Operation: 47*42=1974, Resulting Numbers: [1974] 1974,94 unequal: No Solution Exploring Operation: 47-42=5, Resulting Numbers: [5] 5,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 94:[14, 9], Operations: ['84-70=14', '56-47=9'] Exploring Operation: 14*9=126, Resulting Numbers: [126] 126,94 unequal: No Solution Exploring Operation: 14+9=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[84, 47, 14], Operations: ['70-56=14'] Exploring Operation: 84+14=98, Resulting Numbers: [47, 98] Generated Node #0,1,0: 94:[47, 98] Operation: 84+14=98 Exploring Operation: 84-47=37, Resulting Numbers: [14, 37] Generated Node #0,1,1: 94:[14, 37] Operation: 84-47=37 Exploring Operation: 84/14=6, Resulting Numbers: [47, 6] Generated Node #0,1,2: 94:[47, 6] Operation: 84/14=6 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 94:[47, 98], Operations: ['70-56=14', '84+14=98'] Exploring Operation: 47*98=4606, Resulting Numbers: [4606] 4606,94 unequal: No Solution Exploring Operation: 47+98=145, Resulting Numbers: [145] 145,94 unequal: No Solution Exploring Operation: 98-47=51, Resulting Numbers: [51] 51,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 94:[47, 6], Operations: ['70-56=14', '84/14=6'] Exploring Operation: 47*6=282, Resulting Numbers: [282] 282,94 unequal: No Solution Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,94 unequal: No Solution Exploring Operation: 47+6=53, Resulting Numbers: [53] 53,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 94:[14, 37], Operations: ['70-56=14', '84-47=37'] Exploring Operation: 14*37=518, Resulting Numbers: [518] 518,94 unequal: No Solution Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 14+37=51, Resulting Numbers: [51] 51,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[84, 70, 9], Operations: ['56-47=9'] Exploring Operation: 84+9=93, Resulting Numbers: [70, 93] Generated Node #0,2,0: 94:[70, 93] Operation: 84+9=93 Exploring Operation: 84-70=14, Resulting Numbers: [9, 14] Generated Node #0,2,1: 94:[9, 14] Operation: 84-70=14 Exploring Operation: 70-9=61, Resulting Numbers: [84, 61] Generated Node #0,2,2: 94:[84, 61] Operation: 70-9=61 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 94:[9, 14], Operations: ['56-47=9', '84-70=14'] Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,94 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 94:[70, 93], Operations: ['56-47=9', '84+9=93'] Exploring Operation: 70+93=163, Resulting Numbers: [163] 163,94 unequal: No Solution Exploring Operation: 70*93=6510, Resulting Numbers: [6510] 6510,94 unequal: No Solution Exploring Operation: 93-70=23, Resulting Numbers: [23] 23,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 94:[84, 61], Operations: ['56-47=9', '70-9=61'] Exploring Operation: 84-61=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 84+61=145, Resulting Numbers: [145] 145,94 unequal: No Solution Exploring Operation: 84*61=5124, Resulting Numbers: [5124] 5124,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 25, 66, 5, 67 ]
29
[ "25+66=91", "67-5=62", "91-62=29" ]
Current State: 29:[25, 66, 5, 67], Operations: [] Exploring Operation: 25+66=91, Resulting Numbers: [5, 67, 91] Generated Node #2: [5, 67, 91] from Operation: 25+66=91 Current State: 29:[5, 67, 91], Operations: ['25+66=91'] Exploring Operation: 67-5=62, Resulting Numbers: [91, 62] Generated Node #3: [91, 62] from Operation: 67-5=62 Current State: 29:[91, 62], Operations: ['25+66=91', '67-5=62'] Exploring Operation: 91-62=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[25, 66, 5, 67], Operations: [] Exploring Operation: 67-66=1, Resulting Numbers: [25, 5, 1] Generated Node #0,0: 29:[25, 5, 1] Operation: 67-66=1 Exploring Operation: 66-25=41, Resulting Numbers: [5, 67, 41] Generated Node #0,1: 29:[5, 67, 41] Operation: 66-25=41 Exploring Operation: 67-25=42, Resulting Numbers: [66, 5, 42] Generated Node #0,2: 29:[66, 5, 42] Operation: 67-25=42 Moving to Node #0,0 Current State: 29:[25, 5, 1], Operations: ['67-66=1'] Exploring Operation: 5+1=6, Resulting Numbers: [25, 6] Generated Node #0,0,0: 29:[25, 6] Operation: 5+1=6 Exploring Operation: 25*1=25, Resulting Numbers: [5, 25] Generated Node #0,0,1: 29:[5, 25] Operation: 25*1=25 Exploring Operation: 25+1=26, Resulting Numbers: [5, 26] Generated Node #0,0,2: 29:[5, 26] Operation: 25+1=26 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[25, 6], Operations: ['67-66=1', '5+1=6'] Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,29 unequal: No Solution Exploring Operation: 25*6=150, Resulting Numbers: [150] 150,29 unequal: No Solution Exploring Operation: 25+6=31, Resulting Numbers: [31] 31,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 29:[5, 26], Operations: ['67-66=1', '25+1=26'] Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,29 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,29 unequal: No Solution Exploring Operation: 5*26=130, Resulting Numbers: [130] 130,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[5, 25], Operations: ['67-66=1', '25*1=25'] Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,29 unequal: No Solution Exploring Operation: 5+25=30, Resulting Numbers: [30] 30,29 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,29 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: 29:[5, 67, 41], Operations: ['66-25=41'] Exploring Operation: 41-5=36, Resulting Numbers: [67, 36] Generated Node #0,1,0: 29:[67, 36] Operation: 41-5=36 Exploring Operation: 67-5=62, Resulting Numbers: [41, 62] Generated Node #0,1,1: 29:[41, 62] Operation: 67-5=62 Exploring Operation: 67-41=26, Resulting Numbers: [5, 26] Generated Node #0,1,2: 29:[5, 26] Operation: 67-41=26 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 29:[5, 26], Operations: ['66-25=41', '67-41=26'] Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,29 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,29 unequal: No Solution Exploring Operation: 5*26=130, Resulting Numbers: [130] 130,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[67, 36], Operations: ['66-25=41', '41-5=36'] Exploring Operation: 67+36=103, Resulting Numbers: [103] 103,29 unequal: No Solution Exploring Operation: 67*36=2412, Resulting Numbers: [2412] 2412,29 unequal: No Solution Exploring Operation: 67-36=31, Resulting Numbers: [31] 31,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 29:[41, 62], Operations: ['66-25=41', '67-5=62'] Exploring Operation: 41+62=103, Resulting Numbers: [103] 103,29 unequal: No Solution Exploring Operation: 41*62=2542, Resulting Numbers: [2542] 2542,29 unequal: No Solution Exploring Operation: 62-41=21, Resulting Numbers: [21] 21,29 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: 29:[66, 5, 42], Operations: ['67-25=42'] Exploring Operation: 42-5=37, Resulting Numbers: [66, 37] Generated Node #0,2,0: 29:[66, 37] Operation: 42-5=37 Exploring Operation: 66-42=24, Resulting Numbers: [5, 24] Generated Node #0,2,1: 29:[5, 24] Operation: 66-42=24 Exploring Operation: 66-5=61, Resulting Numbers: [42, 61] Generated Node #0,2,2: 29:[42, 61] Operation: 66-5=61 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 29:[5, 24], Operations: ['67-25=42', '66-42=24'] Exploring Operation: 5*24=120, Resulting Numbers: [120] 120,29 unequal: No Solution Exploring Operation: 5+24=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[25, 66, 5, 67], Operations: [] Exploring Operation: 67-25=42, Resulting Numbers: [66, 5, 42] Generated Node #0,2: 29:[66, 5, 42] Operation: 67-25=42 Moving to Node #0,2 Current State: 29:[66, 5, 42], Operations: ['67-25=42'] Exploring Operation: 66-42=24, Resulting Numbers: [5, 24] Generated Node #0,2,1: 29:[5, 24] Operation: 66-42=24 Moving to Node #0,2,1 Current State: 29:[5, 24], Operations: ['67-25=42', '66-42=24'] Exploring Operation: 5+24=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_3
mult_heuristic
[ 10, 83, 3, 18 ]
39
[ "10+83=93", "3*18=54", "93-54=39" ]
Current State: 39:[10, 83, 3, 18], Operations: [] Exploring Operation: 10+83=93, Resulting Numbers: [3, 18, 93] Generated Node #2: [3, 18, 93] from Operation: 10+83=93 Current State: 39:[3, 18, 93], Operations: ['10+83=93'] Exploring Operation: 3*18=54, Resulting Numbers: [93, 54] Generated Node #3: [93, 54] from Operation: 3*18=54 Current State: 39:[93, 54], Operations: ['10+83=93', '3*18=54'] Exploring Operation: 93-54=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[10, 83, 3, 18], Operations: [] Exploring Operation: 83-18=65, Resulting Numbers: [10, 3, 65] Generated Node #0,0: 39:[10, 3, 65] Operation: 83-18=65 Moving to Node #0,0 Current State: 39:[10, 3, 65], Operations: ['83-18=65'] Exploring Operation: 65-10=55, Resulting Numbers: [3, 55] Generated Node #0,0,0: 39:[3, 55] Operation: 65-10=55 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[3, 55], Operations: ['83-18=65', '65-10=55'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,39 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
[ 29, 74, 76, 17 ]
92
[ "29+17=46", "76-74=2", "46*2=92" ]
Current State: 92:[29, 74, 76, 17], Operations: [] Exploring Operation: 29+17=46, Resulting Numbers: [74, 76, 46] Generated Node #2: [74, 76, 46] from Operation: 29+17=46 Current State: 92:[74, 76, 46], Operations: ['29+17=46'] Exploring Operation: 76-74=2, Resulting Numbers: [46, 2] Generated Node #3: [46, 2] from Operation: 76-74=2 Current State: 92:[46, 2], Operations: ['29+17=46', '76-74=2'] Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[29, 74, 76, 17], Operations: [] Exploring Operation: 76-74=2, Resulting Numbers: [29, 17, 2] Generated Node #0,0: 92:[29, 17, 2] Operation: 76-74=2 Moving to Node #0,0 Current State: 92:[29, 17, 2], Operations: ['76-74=2'] Exploring Operation: 29+17=46, Resulting Numbers: [2, 46] Generated Node #0,0,0: 92:[2, 46] Operation: 29+17=46 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[2, 46], Operations: ['76-74=2', '29+17=46'] Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[29, 74, 76, 17], Operations: [] Exploring Operation: 76-74=2, Resulting Numbers: [29, 17, 2] Generated Node #0,0: 92:[29, 17, 2] Operation: 76-74=2 Moving to Node #0,0 Current State: 92:[29, 17, 2], Operations: ['76-74=2'] Exploring Operation: 29+17=46, Resulting Numbers: [2, 46] Generated Node #0,0,0: 92:[2, 46] Operation: 29+17=46 Moving to Node #0,0,0 Current State: 92:[2, 46], Operations: ['76-74=2', '29+17=46'] Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 14, 19, 72, 45 ]
60
[ "14+19=33", "72-45=27", "33+27=60" ]
Current State: 60:[14, 19, 72, 45], Operations: [] Exploring Operation: 14+19=33, Resulting Numbers: [72, 45, 33] Generated Node #2: [72, 45, 33] from Operation: 14+19=33 Current State: 60:[72, 45, 33], Operations: ['14+19=33'] Exploring Operation: 72-45=27, Resulting Numbers: [33, 27] Generated Node #3: [33, 27] from Operation: 72-45=27 Current State: 60:[33, 27], Operations: ['14+19=33', '72-45=27'] Exploring Operation: 33+27=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[14, 19, 72, 45], Operations: [] Exploring Operation: 72-45=27, Resulting Numbers: [14, 19, 27] Generated Node #0,0: 60:[14, 19, 27] Operation: 72-45=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[14, 19, 27], Operations: ['72-45=27'] Exploring Operation: 27-14=13, Resulting Numbers: [19, 13] Generated Node #0,0,0: 60:[19, 13] Operation: 27-14=13 Moving to Node #0,0,0 Current State: 60:[19, 13], Operations: ['72-45=27', '27-14=13'] Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,60 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
[ 21, 87, 63, 25 ]
75
[ "87-21=66", "66-63=3", "25*3=75" ]
Current State: 75:[21, 87, 63, 25], Operations: [] Exploring Operation: 87-21=66, Resulting Numbers: [63, 25, 66] Generated Node #2: [63, 25, 66] from Operation: 87-21=66 Current State: 75:[63, 25, 66], Operations: ['87-21=66'] Exploring Operation: 66-63=3, Resulting Numbers: [25, 3] Generated Node #3: [25, 3] from Operation: 66-63=3 Current State: 75:[25, 3], Operations: ['87-21=66', '66-63=3'] Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[21, 87, 63, 25], Operations: [] Exploring Operation: 87-63=24, Resulting Numbers: [21, 25, 24] Generated Node #0,0: 75:[21, 25, 24] Operation: 87-63=24 Exploring Operation: 63/21=3, Resulting Numbers: [87, 25, 3] Generated Node #0,1: 75:[87, 25, 3] Operation: 63/21=3 Exploring Operation: 25-21=4, Resulting Numbers: [87, 63, 4] Generated Node #0,2: 75:[87, 63, 4] Operation: 25-21=4 Exploring Operation: 87-21=66, Resulting Numbers: [63, 25, 66] Generated Node #0,3: 75:[63, 25, 66] Operation: 87-21=66 Exploring Operation: 21+63=84, Resulting Numbers: [87, 25, 84] Generated Node #0,4: 75:[87, 25, 84] Operation: 21+63=84 Moving to Node #0,0 Current State: 75:[21, 25, 24], Operations: ['87-63=24'] Exploring Operation: 21+24=45, Resulting Numbers: [25, 45] Generated Node #0,0,0: 75:[25, 45] Operation: 21+24=45 Exploring Operation: 25-24=1, Resulting Numbers: [21, 1] Generated Node #0,0,1: 75:[21, 1] Operation: 25-24=1 Exploring Operation: 25-21=4, Resulting Numbers: [24, 4] Generated Node #0,0,2: 75:[24, 4] Operation: 25-21=4 Exploring Operation: 24-21=3, Resulting Numbers: [25, 3] Generated Node #0,0,3: 75:[25, 3] Operation: 24-21=3 Exploring Operation: 21+25=46, Resulting Numbers: [24, 46] Generated Node #0,0,4: 75:[24, 46] Operation: 21+25=46 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 75:[25, 3], Operations: ['87-63=24', '24-21=3'] Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,75 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[21, 87, 63, 25], Operations: [] Exploring Operation: 87-63=24, Resulting Numbers: [21, 25, 24] Generated Node #0,0: 75:[21, 25, 24] Operation: 87-63=24 Moving to Node #0,0 Current State: 75:[21, 25, 24], Operations: ['87-63=24'] Exploring Operation: 24-21=3, Resulting Numbers: [25, 3] Generated Node #0,0,3: 75:[25, 3] Operation: 24-21=3 Moving to Node #0,0,3 Current State: 75:[25, 3], Operations: ['87-63=24', '24-21=3'] Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 36, 40, 4, 1 ]
79
[ "36+40=76", "4-1=3", "76+3=79" ]
Current State: 79:[36, 40, 4, 1], Operations: [] Exploring Operation: 36+40=76, Resulting Numbers: [4, 1, 76] Generated Node #2: [4, 1, 76] from Operation: 36+40=76 Current State: 79:[4, 1, 76], Operations: ['36+40=76'] Exploring Operation: 4-1=3, Resulting Numbers: [76, 3] Generated Node #3: [76, 3] from Operation: 4-1=3 Current State: 79:[76, 3], Operations: ['36+40=76', '4-1=3'] Exploring Operation: 76+3=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[36, 40, 4, 1], Operations: [] Exploring Operation: 40+4=44, Resulting Numbers: [36, 1, 44] Generated Node #0,0: 79:[36, 1, 44] Operation: 40+4=44 Exploring Operation: 36+40=76, Resulting Numbers: [4, 1, 76] Generated Node #0,1: 79:[4, 1, 76] Operation: 36+40=76 Exploring Operation: 40+1=41, Resulting Numbers: [36, 4, 41] Generated Node #0,2: 79:[36, 4, 41] Operation: 40+1=41 Exploring Operation: 36+1=37, Resulting Numbers: [40, 4, 37] Generated Node #0,3: 79:[40, 4, 37] Operation: 36+1=37 Exploring Operation: 36+4=40, Resulting Numbers: [40, 1, 40] Generated Node #0,4: 79:[40, 1, 40] Operation: 36+4=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[36, 1, 44], Operations: ['40+4=44'] Exploring Operation: 36/1=36, Resulting Numbers: [44, 36] Generated Node #0,0,0: 79:[44, 36] Operation: 36/1=36 Exploring Operation: 1*44=44, Resulting Numbers: [36, 44] Generated Node #0,0,1: 79:[36, 44] Operation: 1*44=44 Exploring Operation: 1+44=45, Resulting Numbers: [36, 45] Generated Node #0,0,2: 79:[36, 45] Operation: 1+44=45 Exploring Operation: 36*1=36, Resulting Numbers: [44, 36] Generated Node #0,0,3: 79:[44, 36] Operation: 36*1=36 Exploring Operation: 36+1=37, Resulting Numbers: [44, 37] Generated Node #0,0,4: 79:[44, 37] Operation: 36+1=37 Moving to Node #0,0,2 Current State: 79:[36, 45], Operations: ['40+4=44', '1+44=45'] Exploring Operation: 36*45=1620, Resulting Numbers: [1620] 1620,79 unequal: No Solution Exploring Operation: 36+45=81, Resulting Numbers: [81] 81,79 unequal: No Solution Exploring Operation: 45-36=9, Resulting Numbers: [9] 9,79 unequal: No Solution Moving to Node #0,0,4 Current State: 79:[44, 37], Operations: ['40+4=44', '36+1=37'] Exploring Operation: 44+37=81, Resulting Numbers: [81] 81,79 unequal: No Solution Exploring Operation: 44*37=1628, Resulting Numbers: [1628] 1628,79 unequal: No Solution Exploring Operation: 44-37=7, Resulting Numbers: [7] 7,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[44, 36], Operations: ['40+4=44', '36/1=36'] Exploring Operation: 44*36=1584, Resulting Numbers: [1584] 1584,79 unequal: No Solution Exploring Operation: 44-36=8, Resulting Numbers: [8] 8,79 unequal: No Solution Exploring Operation: 44+36=80, Resulting Numbers: [80] 80,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[36, 44], Operations: ['40+4=44', '1*44=44'] Exploring Operation: 44-36=8, Resulting Numbers: [8] 8,79 unequal: No Solution Exploring Operation: 36+44=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 36*44=1584, Resulting Numbers: [1584] 1584,79 unequal: No Solution Moving to Node #0,0,3 Current State: 79:[44, 36], Operations: ['40+4=44', '36*1=36'] Exploring Operation: 44-36=8, Resulting Numbers: [8] 8,79 unequal: No Solution Exploring Operation: 44*36=1584, Resulting Numbers: [1584] 1584,79 unequal: No Solution Exploring Operation: 44+36=80, Resulting Numbers: [80] 80,79 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 #0,1 Current State: 79:[4, 1, 76], Operations: ['36+40=76'] Exploring Operation: 4/1=4, Resulting Numbers: [76, 4] Generated Node #0,1,0: 79:[76, 4] Operation: 4/1=4 Exploring Operation: 4*1=4, Resulting Numbers: [76, 4] Generated Node #0,1,1: 79:[76, 4] Operation: 4*1=4 Exploring Operation: 1+76=77, Resulting Numbers: [4, 77] Generated Node #0,1,2: 79:[4, 77] Operation: 1+76=77 Exploring Operation: 1*76=76, Resulting Numbers: [4, 76] Generated Node #0,1,3: 79:[4, 76] Operation: 1*76=76 Exploring Operation: 4+1=5, Resulting Numbers: [76, 5] Generated Node #0,1,4: 79:[76, 5] Operation: 4+1=5 Moving to Node #0,1,2 Current State: 79:[4, 77], Operations: ['36+40=76', '1+76=77'] Exploring Operation: 4+77=81, Resulting Numbers: [81] 81,79 unequal: No Solution Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,79 unequal: No Solution Exploring Operation: 4*77=308, Resulting Numbers: [308] 308,79 unequal: No Solution Moving to Node #0,1,4 Current State: 79:[76, 5], Operations: ['36+40=76', '4+1=5'] Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,79 unequal: No Solution Exploring Operation: 76*5=380, Resulting Numbers: [380] 380,79 unequal: No Solution Exploring Operation: 76+5=81, Resulting Numbers: [81] 81,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[76, 4], Operations: ['36+40=76', '4/1=4'] Exploring Operation: 76+4=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,79 unequal: No Solution Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,79 unequal: No Solution Exploring Operation: 76*4=304, Resulting Numbers: [304] 304,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[76, 4], Operations: ['36+40=76', '4*1=4'] Exploring Operation: 76+4=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 76*4=304, Resulting Numbers: [304] 304,79 unequal: No Solution Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,79 unequal: No Solution Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[4, 76], Operations: ['36+40=76', '1*76=76'] Exploring Operation: 4*76=304, Resulting Numbers: [304] 304,79 unequal: No Solution Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,79 unequal: No Solution Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,79 unequal: No Solution Exploring Operation: 4+76=80, Resulting Numbers: [80] 80,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[36, 4, 41], Operations: ['40+1=41'] Exploring Operation: 4+41=45, Resulting Numbers: [36, 45] Generated Node #0,2,0: 79:[36, 45] Operation: 4+41=45 Exploring Operation: 36+41=77, Resulting Numbers: [4, 77] Generated Node #0,2,1: 79:[4, 77] Operation: 36+41=77 Exploring Operation: 36-4=32, Resulting Numbers: [41, 32] Generated Node #0,2,2: 79:[41, 32] Operation: 36-4=32 Exploring Operation: 36+4=40, Resulting Numbers: [41, 40] Generated Node #0,2,3: 79:[41, 40] Operation: 36+4=40 Exploring Operation: 41-4=37, Resulting Numbers: [36, 37] Generated Node #0,2,4: 79:[36, 37] Operation: 41-4=37 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 79:[36, 45], Operations: ['40+1=41', '4+41=45'] Exploring Operation: 36+45=81, Resulting Numbers: [81] 81,79 unequal: No Solution Exploring Operation: 45-36=9, Resulting Numbers: [9] 9,79 unequal: No Solution Exploring Operation: 36*45=1620, Resulting Numbers: [1620] 1620,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 79:[4, 77], Operations: ['40+1=41', '36+41=77'] Exploring Operation: 4*77=308, Resulting Numbers: [308] 308,79 unequal: No Solution Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,79 unequal: No Solution Exploring Operation: 4+77=81, Resulting Numbers: [81] 81,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 79:[41, 40], Operations: ['40+1=41', '36+4=40'] Exploring Operation: 41-40=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 41*40=1640, Resulting Numbers: [1640] 1640,79 unequal: No Solution Exploring Operation: 41+40=81, Resulting Numbers: [81] 81,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 79:[41, 32], Operations: ['40+1=41', '36-4=32'] Exploring Operation: 41+32=73, Resulting Numbers: [73] 73,79 unequal: No Solution Exploring Operation: 41-32=9, Resulting Numbers: [9] 9,79 unequal: No Solution Exploring Operation: 41*32=1312, Resulting Numbers: [1312] 1312,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 79:[36, 37], Operations: ['40+1=41', '41-4=37'] Exploring Operation: 36+37=73, Resulting Numbers: [73] 73,79 unequal: No Solution Exploring Operation: 36*37=1332, Resulting Numbers: [1332] 1332,79 unequal: No Solution Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 79:[40, 4, 37], Operations: ['36+1=37'] Exploring Operation: 40+37=77, Resulting Numbers: [4, 77] Generated Node #0,3,0: 79:[4, 77] Operation: 40+37=77 Exploring Operation: 4+37=41, Resulting Numbers: [40, 41] Generated Node #0,3,1: 79:[40, 41] Operation: 4+37=41 Exploring Operation: 37-4=33, Resulting Numbers: [40, 33] Generated Node #0,3,2: 79:[40, 33] Operation: 37-4=33 Exploring Operation: 40+4=44, Resulting Numbers: [37, 44] Generated Node #0,3,3: 79:[37, 44] Operation: 40+4=44 Exploring Operation: 40-4=36, Resulting Numbers: [37, 36] Generated Node #0,3,4: 79:[37, 36] Operation: 40-4=36 Moving to Node #0,3,0 Current State: 79:[4, 77], Operations: ['36+1=37', '40+37=77'] Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,79 unequal: No Solution Exploring Operation: 4*77=308, Resulting Numbers: [308] 308,79 unequal: No Solution Exploring Operation: 4+77=81, Resulting Numbers: [81] 81,79 unequal: No Solution Moving to Node #0,3,3 Current State: 79:[37, 44], Operations: ['36+1=37', '40+4=44'] Exploring Operation: 44-37=7, Resulting Numbers: [7] 7,79 unequal: No Solution Exploring Operation: 37+44=81, Resulting Numbers: [81] 81,79 unequal: No Solution Exploring Operation: 37*44=1628, Resulting Numbers: [1628] 1628,79 unequal: No Solution Moving to Node #0,3,1 Current State: 79:[40, 41], Operations: ['36+1=37', '4+37=41'] Exploring Operation: 41-40=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 40*41=1640, Resulting Numbers: [1640] 1640,79 unequal: No Solution Exploring Operation: 40+41=81, Resulting Numbers: [81] 81,79 unequal: No Solution Moving to Node #0,3,2 Current State: 79:[40, 33], Operations: ['36+1=37', '37-4=33'] Exploring Operation: 40+33=73, Resulting Numbers: [73] 73,79 unequal: No Solution Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,79 unequal: No Solution Exploring Operation: 40*33=1320, Resulting Numbers: [1320] 1320,79 unequal: No Solution Moving to Node #0,3,4 Current State: 79:[37, 36], Operations: ['36+1=37', '40-4=36'] Exploring Operation: 37+36=73, Resulting Numbers: [73] 73,79 unequal: No Solution Exploring Operation: 37*36=1332, Resulting Numbers: [1332] 1332,79 unequal: No Solution Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,79 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 #0,4 Current State: 79:[40, 1, 40], Operations: ['36+4=40'] Exploring Operation: 1*40=40, Resulting Numbers: [40, 40] Generated Node #0,4,0: 79:[40, 40] Operation: 1*40=40 Exploring Operation: 40/1=40, Resulting Numbers: [40, 40] Generated Node #0,4,1: 79:[40, 40] Operation: 40/1=40 Exploring Operation: 1+40=41, Resulting Numbers: [40, 41] Generated Node #0,4,2: 79:[40, 41] Operation: 1+40=41 Exploring Operation: 40*1=40, Resulting Numbers: [40, 40] Generated Node #0,4,3: 79:[40, 40] Operation: 40*1=40 Exploring Operation: 40+1=41, Resulting Numbers: [40, 41] Generated Node #0,4,4: 79:[40, 41] Operation: 40+1=41 Moving to Node #0,4,2 Current State: 79:[40, 41], Operations: ['36+4=40', '1+40=41'] Exploring Operation: 40+41=81, Resulting Numbers: [81] 81,79 unequal: No Solution Exploring Operation: 40*41=1640, Resulting Numbers: [1640] 1640,79 unequal: No Solution Exploring Operation: 41-40=1, Resulting Numbers: [1] 1,79 unequal: No Solution Moving to Node #0,4,4 Current State: 79:[40, 41], Operations: ['36+4=40', '40+1=41'] Exploring Operation: 40+41=81, Resulting Numbers: [81] 81,79 unequal: No Solution Exploring Operation: 41-40=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 40*41=1640, Resulting Numbers: [1640] 1640,79 unequal: No Solution Moving to Node #0,4,0 Current State: 79:[40, 40], Operations: ['36+4=40', '1*40=40'] Exploring Operation: 40/40=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 40+40=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 40-40=0, Resulting Numbers: [0] 0,79 unequal: No Solution Exploring Operation: 40*40=1600, Resulting Numbers: [1600] 1600,79 unequal: No Solution Moving to Node #0,4,1 Current State: 79:[40, 40], Operations: ['36+4=40', '40/1=40'] Exploring Operation: 40+40=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 40/40=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 40-40=0, Resulting Numbers: [0] 0,79 unequal: No Solution Exploring Operation: 40*40=1600, Resulting Numbers: [1600] 1600,79 unequal: No Solution Moving to Node #0,4,3 Current State: 79:[40, 40], Operations: ['36+4=40', '40*1=40'] Exploring Operation: 40/40=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 40*40=1600, Resulting Numbers: [1600] 1600,79 unequal: No Solution Exploring Operation: 40+40=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 40-40=0, Resulting Numbers: [0] 0,79 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
[ 50, 63, 11, 81 ]
62
[ "63-50=13", "11*13=143", "143-81=62" ]
Current State: 62:[50, 63, 11, 81], Operations: [] Exploring Operation: 63-50=13, Resulting Numbers: [11, 81, 13] Generated Node #2: [11, 81, 13] from Operation: 63-50=13 Current State: 62:[11, 81, 13], Operations: ['63-50=13'] Exploring Operation: 11*13=143, Resulting Numbers: [81, 143] Generated Node #3: [81, 143] from Operation: 11*13=143 Current State: 62:[81, 143], Operations: ['63-50=13', '11*13=143'] Exploring Operation: 143-81=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[50, 63, 11, 81], Operations: [] Exploring Operation: 81-50=31, Resulting Numbers: [63, 11, 31] Generated Node #0,0: 62:[63, 11, 31] Operation: 81-50=31 Exploring Operation: 50+11=61, Resulting Numbers: [63, 81, 61] Generated Node #0,1: 62:[63, 81, 61] Operation: 50+11=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[63, 11, 31], Operations: ['81-50=31'] Exploring Operation: 63-11=52, Resulting Numbers: [31, 52] Generated Node #0,0,0: 62:[31, 52] Operation: 63-11=52 Exploring Operation: 63-31=32, Resulting Numbers: [11, 32] Generated Node #0,0,1: 62:[11, 32] Operation: 63-31=32 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 62:[31, 52], Operations: ['81-50=31', '63-11=52'] Exploring Operation: 52-31=21, Resulting Numbers: [21] 21,62 unequal: No Solution Exploring Operation: 31+52=83, Resulting Numbers: [83] 83,62 unequal: No Solution No 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: 62:[11, 32], Operations: ['81-50=31', '63-31=32'] Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,62 unequal: No Solution Exploring Operation: 11+32=43, Resulting Numbers: [43] 43,62 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: 62:[63, 81, 61], Operations: ['50+11=61'] Exploring Operation: 81-61=20, Resulting Numbers: [63, 20] Generated Node #0,1,0: 62:[63, 20] Operation: 81-61=20 Exploring Operation: 81-63=18, Resulting Numbers: [61, 18] Generated Node #0,1,1: 62:[61, 18] Operation: 81-63=18 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 62:[63, 20], Operations: ['50+11=61', '81-61=20'] Exploring Operation: 63+20=83, Resulting Numbers: [83] 83,62 unequal: No Solution Exploring Operation: 63-20=43, Resulting Numbers: [43] 43,62 unequal: No Solution No 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: 62:[61, 18], Operations: ['50+11=61', '81-63=18'] Exploring Operation: 61+18=79, Resulting Numbers: [79] 79,62 unequal: No Solution Exploring Operation: 61-18=43, Resulting Numbers: [43] 43,62 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
[ 13, 8, 16, 40 ]
45
[ "13+8=21", "40-16=24", "21+24=45" ]
Current State: 45:[13, 8, 16, 40], Operations: [] Exploring Operation: 13+8=21, Resulting Numbers: [16, 40, 21] Generated Node #2: [16, 40, 21] from Operation: 13+8=21 Current State: 45:[16, 40, 21], Operations: ['13+8=21'] Exploring Operation: 40-16=24, Resulting Numbers: [21, 24] Generated Node #3: [21, 24] from Operation: 40-16=24 Current State: 45:[21, 24], Operations: ['13+8=21', '40-16=24'] Exploring Operation: 21+24=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[13, 8, 16, 40], Operations: [] Exploring Operation: 40/8=5, Resulting Numbers: [13, 16, 5] Generated Node #0,0: 45:[13, 16, 5] Operation: 40/8=5 Exploring Operation: 13-8=5, Resulting Numbers: [16, 40, 5] Generated Node #0,1: 45:[16, 40, 5] Operation: 13-8=5 Moving to Node #0,0 Current State: 45:[13, 16, 5], Operations: ['40/8=5'] Exploring Operation: 13-5=8, Resulting Numbers: [16, 8] Generated Node #0,0,0: 45:[16, 8] Operation: 13-5=8 Exploring Operation: 16-13=3, Resulting Numbers: [5, 3] Generated Node #0,0,1: 45:[5, 3] Operation: 16-13=3 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 45:[5, 3], Operations: ['40/8=5', '16-13=3'] Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,45 unequal: No Solution Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 45:[16, 8], Operations: ['40/8=5', '13-5=8'] Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,45 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,45 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: 45:[16, 40, 5], Operations: ['13-8=5'] Exploring Operation: 40/5=8, Resulting Numbers: [16, 8] Generated Node #0,1,0: 45:[16, 8] Operation: 40/5=8 Exploring Operation: 40+5=45, Resulting Numbers: [16, 45] Generated Node #0,1,1: 45:[16, 45] Operation: 40+5=45 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 45:[16, 45], Operations: ['13-8=5', '40+5=45'] Exploring Operation: 16+45=61, Resulting Numbers: [61] 61,45 unequal: No Solution Exploring Operation: 45-16=29, Resulting Numbers: [29] 29,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 45:[16, 8], Operations: ['13-8=5', '40/5=8'] Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,45 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 41, 93, 59, 49 ]
42
[ "93-41=52", "59-49=10", "52-10=42" ]
Current State: 42:[41, 93, 59, 49], Operations: [] Exploring Operation: 93-41=52, Resulting Numbers: [59, 49, 52] Generated Node #2: [59, 49, 52] from Operation: 93-41=52 Current State: 42:[59, 49, 52], Operations: ['93-41=52'] Exploring Operation: 59-49=10, Resulting Numbers: [52, 10] Generated Node #3: [52, 10] from Operation: 59-49=10 Current State: 42:[52, 10], Operations: ['93-41=52', '59-49=10'] Exploring Operation: 52-10=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[41, 93, 59, 49], Operations: [] Exploring Operation: 93-59=34, Resulting Numbers: [41, 49, 34] Generated Node #0,0: 42:[41, 49, 34] Operation: 93-59=34 Exploring Operation: 59-49=10, Resulting Numbers: [41, 93, 10] Generated Node #0,1: 42:[41, 93, 10] Operation: 59-49=10 Exploring Operation: 93-41=52, Resulting Numbers: [59, 49, 52] Generated Node #0,2: 42:[59, 49, 52] Operation: 93-41=52 Exploring Operation: 93-49=44, Resulting Numbers: [41, 59, 44] Generated Node #0,3: 42:[41, 59, 44] Operation: 93-49=44 Moving to Node #0,0 Current State: 42:[41, 49, 34], Operations: ['93-59=34'] Exploring Operation: 41+34=75, Resulting Numbers: [49, 75] Generated Node #0,0,0: 42:[49, 75] Operation: 41+34=75 Exploring Operation: 49-34=15, Resulting Numbers: [41, 15] Generated Node #0,0,1: 42:[41, 15] Operation: 49-34=15 Exploring Operation: 49-41=8, Resulting Numbers: [34, 8] Generated Node #0,0,2: 42:[34, 8] Operation: 49-41=8 Exploring Operation: 41-34=7, Resulting Numbers: [49, 7] Generated Node #0,0,3: 42:[49, 7] Operation: 41-34=7 Moving to Node #0,3 Current State: 42:[41, 59, 44], Operations: ['93-49=44'] Exploring Operation: 59-41=18, Resulting Numbers: [44, 18] Generated Node #0,3,0: 42:[44, 18] Operation: 59-41=18 Exploring Operation: 41+59=100, Resulting Numbers: [44, 100] Generated Node #0,3,1: 42:[44, 100] Operation: 41+59=100 Exploring Operation: 44-41=3, Resulting Numbers: [59, 3] Generated Node #0,3,2: 42:[59, 3] Operation: 44-41=3 Exploring Operation: 59-44=15, Resulting Numbers: [41, 15] Generated Node #0,3,3: 42:[41, 15] Operation: 59-44=15 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 42:[41, 15], Operations: ['93-49=44', '59-44=15'] Exploring Operation: 41*15=615, Resulting Numbers: [615] 615,42 unequal: No Solution Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,42 unequal: No Solution Exploring Operation: 41+15=56, Resulting Numbers: [56] 56,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 42:[44, 18], Operations: ['93-49=44', '59-41=18'] Exploring Operation: 44+18=62, Resulting Numbers: [62] 62,42 unequal: No Solution Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,42 unequal: No Solution Exploring Operation: 44*18=792, Resulting Numbers: [792] 792,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 42:[59, 3], Operations: ['93-49=44', '44-41=3'] Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,42 unequal: No Solution Exploring Operation: 59*3=177, Resulting Numbers: [177] 177,42 unequal: No Solution Exploring Operation: 59+3=62, Resulting Numbers: [62] 62,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 42:[44, 100], Operations: ['93-49=44', '41+59=100'] Exploring Operation: 44*100=4400, Resulting Numbers: [4400] 4400,42 unequal: No Solution Exploring Operation: 100-44=56, Resulting Numbers: [56] 56,42 unequal: No Solution Exploring Operation: 44+100=144, Resulting Numbers: [144] 144,42 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: 42:[59, 49, 52], Operations: ['93-41=52'] Exploring Operation: 59-52=7, Resulting Numbers: [49, 7] Generated Node #0,2,0: 42:[49, 7] Operation: 59-52=7 Exploring Operation: 59-49=10, Resulting Numbers: [52, 10] Generated Node #0,2,1: 42:[52, 10] Operation: 59-49=10 Exploring Operation: 59+49=108, Resulting Numbers: [52, 108] Generated Node #0,2,2: 42:[52, 108] Operation: 59+49=108 Exploring Operation: 52-49=3, Resulting Numbers: [59, 3] Generated Node #0,2,3: 42:[59, 3] Operation: 52-49=3 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 42:[49, 7], Operations: ['93-41=52', '59-52=7'] Exploring Operation: 49-7=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[41, 93, 59, 49], Operations: [] Exploring Operation: 93-41=52, Resulting Numbers: [59, 49, 52] Generated Node #0,2: 42:[59, 49, 52] Operation: 93-41=52 Moving to Node #0,2 Current State: 42:[59, 49, 52], Operations: ['93-41=52'] Exploring Operation: 59-52=7, Resulting Numbers: [49, 7] Generated Node #0,2,0: 42:[49, 7] Operation: 59-52=7 Moving to Node #0,2,0 Current State: 42:[49, 7], Operations: ['93-41=52', '59-52=7'] Exploring Operation: 49-7=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_4
mult_heuristic
[ 60, 21, 18, 29 ]
93
[ "60-29=31", "21-18=3", "31*3=93" ]
Current State: 93:[60, 21, 18, 29], Operations: [] Exploring Operation: 60-29=31, Resulting Numbers: [21, 18, 31] Generated Node #2: [21, 18, 31] from Operation: 60-29=31 Current State: 93:[21, 18, 31], Operations: ['60-29=31'] Exploring Operation: 21-18=3, Resulting Numbers: [31, 3] Generated Node #3: [31, 3] from Operation: 21-18=3 Current State: 93:[31, 3], Operations: ['60-29=31', '21-18=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[60, 21, 18, 29], Operations: [] Exploring Operation: 60-18=42, Resulting Numbers: [21, 29, 42] Generated Node #0,0: 93:[21, 29, 42] Operation: 60-18=42 Exploring Operation: 60-21=39, Resulting Numbers: [18, 29, 39] Generated Node #0,1: 93:[18, 29, 39] Operation: 60-21=39 Moving to Node #0,0 Current State: 93:[21, 29, 42], Operations: ['60-18=42'] Exploring Operation: 42-21=21, Resulting Numbers: [29, 21] Generated Node #0,0,0: 93:[29, 21] Operation: 42-21=21 Exploring Operation: 42/21=2, Resulting Numbers: [29, 2] Generated Node #0,0,1: 93:[29, 2] Operation: 42/21=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[29, 2], Operations: ['60-18=42', '42/21=2'] Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,93 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[29, 21], Operations: ['60-18=42', '42-21=21'] Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,93 unequal: No Solution Exploring Operation: 29+21=50, Resulting Numbers: [50] 50,93 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: 93:[18, 29, 39], Operations: ['60-21=39'] Exploring Operation: 39-18=21, Resulting Numbers: [29, 21] Generated Node #0,1,0: 93:[29, 21] Operation: 39-18=21 Exploring Operation: 29-18=11, Resulting Numbers: [39, 11] Generated Node #0,1,1: 93:[39, 11] Operation: 29-18=11 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[29, 21], Operations: ['60-21=39', '39-18=21'] Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,93 unequal: No Solution Exploring Operation: 29+21=50, Resulting Numbers: [50] 50,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[39, 11], Operations: ['60-21=39', '29-18=11'] Exploring Operation: 39+11=50, Resulting Numbers: [50] 50,93 unequal: No Solution Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 59, 90, 13, 52 ]
96
[ "90-59=31", "13+52=65", "31+65=96" ]
Current State: 96:[59, 90, 13, 52], Operations: [] Exploring Operation: 90-59=31, Resulting Numbers: [13, 52, 31] Generated Node #2: [13, 52, 31] from Operation: 90-59=31 Current State: 96:[13, 52, 31], Operations: ['90-59=31'] Exploring Operation: 13+52=65, Resulting Numbers: [31, 65] Generated Node #3: [31, 65] from Operation: 13+52=65 Current State: 96:[31, 65], Operations: ['90-59=31', '13+52=65'] Exploring Operation: 31+65=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[59, 90, 13, 52], Operations: [] Exploring Operation: 59-52=7, Resulting Numbers: [90, 13, 7] Generated Node #0,0: 96:[90, 13, 7] Operation: 59-52=7 Exploring Operation: 90-59=31, Resulting Numbers: [13, 52, 31] Generated Node #0,1: 96:[13, 52, 31] Operation: 90-59=31 Exploring Operation: 59-13=46, Resulting Numbers: [90, 52, 46] Generated Node #0,2: 96:[90, 52, 46] Operation: 59-13=46 Moving to Node #0,1 Current State: 96:[13, 52, 31], Operations: ['90-59=31'] Exploring Operation: 31-13=18, Resulting Numbers: [52, 18] Generated Node #0,1,0: 96:[52, 18] Operation: 31-13=18 Exploring Operation: 52-31=21, Resulting Numbers: [13, 21] Generated Node #0,1,1: 96:[13, 21] Operation: 52-31=21 Exploring Operation: 52/13=4, Resulting Numbers: [31, 4] Generated Node #0,1,2: 96:[31, 4] Operation: 52/13=4 Moving to Node #0,0 Current State: 96:[90, 13, 7], Operations: ['59-52=7'] Exploring Operation: 13-7=6, Resulting Numbers: [90, 6] Generated Node #0,0,0: 96:[90, 6] Operation: 13-7=6 Exploring Operation: 90+13=103, Resulting Numbers: [7, 103] Generated Node #0,0,1: 96:[7, 103] Operation: 90+13=103 Exploring Operation: 90+7=97, Resulting Numbers: [13, 97] Generated Node #0,0,2: 96:[13, 97] Operation: 90+7=97 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 96:[13, 97], Operations: ['59-52=7', '90+7=97'] Exploring Operation: 13+97=110, Resulting Numbers: [110] 110,96 unequal: No Solution Exploring Operation: 97-13=84, Resulting Numbers: [84] 84,96 unequal: No Solution Exploring Operation: 13*97=1261, Resulting Numbers: [1261] 1261,96 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 #0,0,0 Current State: 96:[90, 6], Operations: ['59-52=7', '13-7=6'] Exploring Operation: 90+6=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[59, 90, 13, 52], Operations: [] Exploring Operation: 59-52=7, Resulting Numbers: [90, 13, 7] Generated Node #0,0: 96:[90, 13, 7] Operation: 59-52=7 Moving to Node #0,0 Current State: 96:[90, 13, 7], Operations: ['59-52=7'] Exploring Operation: 13-7=6, Resulting Numbers: [90, 6] Generated Node #0,0,0: 96:[90, 6] Operation: 13-7=6 Moving to Node #0,0,0 Current State: 96:[90, 6], Operations: ['59-52=7', '13-7=6'] Exploring Operation: 90+6=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 39, 50, 81, 32 ]
39
[ "81-50=31", "32-31=1", "39*1=39" ]
Current State: 39:[39, 50, 81, 32], Operations: [] Exploring Operation: 81-50=31, Resulting Numbers: [39, 32, 31] Generated Node #2: [39, 32, 31] from Operation: 81-50=31 Current State: 39:[39, 32, 31], Operations: ['81-50=31'] Exploring Operation: 32-31=1, Resulting Numbers: [39, 1] Generated Node #3: [39, 1] from Operation: 32-31=1 Current State: 39:[39, 1], Operations: ['81-50=31', '32-31=1'] Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[39, 50, 81, 32], Operations: [] Exploring Operation: 81-39=42, Resulting Numbers: [50, 32, 42] Generated Node #0,0: 39:[50, 32, 42] Operation: 81-39=42 Exploring Operation: 81-50=31, Resulting Numbers: [39, 32, 31] Generated Node #0,1: 39:[39, 32, 31] Operation: 81-50=31 Moving to Node #0,1 Current State: 39:[39, 32, 31], Operations: ['81-50=31'] Exploring Operation: 39-32=7, Resulting Numbers: [31, 7] Generated Node #0,1,0: 39:[31, 7] Operation: 39-32=7 Exploring Operation: 32-31=1, Resulting Numbers: [39, 1] Generated Node #0,1,1: 39:[39, 1] Operation: 32-31=1 Moving to Node #0,0 Current State: 39:[50, 32, 42], Operations: ['81-39=42'] Exploring Operation: 50-42=8, Resulting Numbers: [32, 8] Generated Node #0,0,0: 39:[32, 8] Operation: 50-42=8 Exploring Operation: 50-32=18, Resulting Numbers: [42, 18] Generated Node #0,0,1: 39:[42, 18] Operation: 50-32=18 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 39:[42, 18], Operations: ['81-39=42', '50-32=18'] Exploring Operation: 42+18=60, Resulting Numbers: [60] 60,39 unequal: No Solution Exploring Operation: 42-18=24, Resulting Numbers: [24] 24,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[32, 8], Operations: ['81-39=42', '50-42=8'] Exploring Operation: 32+8=40, Resulting Numbers: [40] 40,39 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,39 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: 39:[39, 1], Operations: ['81-50=31', '32-31=1'] Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[39, 50, 81, 32], Operations: [] Exploring Operation: 81-50=31, Resulting Numbers: [39, 32, 31] Generated Node #0,1: 39:[39, 32, 31] Operation: 81-50=31 Moving to Node #0,1 Current State: 39:[39, 32, 31], Operations: ['81-50=31'] Exploring Operation: 32-31=1, Resulting Numbers: [39, 1] Generated Node #0,1,1: 39:[39, 1] Operation: 32-31=1 Moving to Node #0,1,1 Current State: 39:[39, 1], Operations: ['81-50=31', '32-31=1'] Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 83, 91, 10, 13 ]
93
[ "91-83=8", "10*8=80", "13+80=93" ]
Current State: 93:[83, 91, 10, 13], Operations: [] Exploring Operation: 91-83=8, Resulting Numbers: [10, 13, 8] Generated Node #2: [10, 13, 8] from Operation: 91-83=8 Current State: 93:[10, 13, 8], Operations: ['91-83=8'] Exploring Operation: 10*8=80, Resulting Numbers: [13, 80] Generated Node #3: [13, 80] from Operation: 10*8=80 Current State: 93:[13, 80], Operations: ['91-83=8', '10*8=80'] Exploring Operation: 13+80=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[83, 91, 10, 13], Operations: [] Exploring Operation: 10+13=23, Resulting Numbers: [83, 91, 23] Generated Node #0,0: 93:[83, 91, 23] Operation: 10+13=23 Exploring Operation: 91/13=7, Resulting Numbers: [83, 10, 7] Generated Node #0,1: 93:[83, 10, 7] Operation: 91/13=7 Exploring Operation: 83+10=93, Resulting Numbers: [91, 13, 93] Generated Node #0,2: 93:[91, 13, 93] Operation: 83+10=93 Exploring Operation: 83+13=96, Resulting Numbers: [91, 10, 96] Generated Node #0,3: 93:[91, 10, 96] Operation: 83+13=96 Exploring Operation: 13-10=3, Resulting Numbers: [83, 91, 3] Generated Node #0,4: 93:[83, 91, 3] Operation: 13-10=3 Start Sub Search at level 1: Moving to Node #0,2 Current State: 93:[91, 13, 93], Operations: ['83+10=93'] Exploring Operation: 93-91=2, Resulting Numbers: [13, 2] Generated Node #0,2,0: 93:[13, 2] Operation: 93-91=2 Exploring Operation: 91/13=7, Resulting Numbers: [93, 7] Generated Node #0,2,1: 93:[93, 7] Operation: 91/13=7 Exploring Operation: 91+13=104, Resulting Numbers: [93, 104] Generated Node #0,2,2: 93:[93, 104] Operation: 91+13=104 Exploring Operation: 13+93=106, Resulting Numbers: [91, 106] Generated Node #0,2,3: 93:[91, 106] Operation: 13+93=106 Exploring Operation: 91-13=78, Resulting Numbers: [93, 78] Generated Node #0,2,4: 93:[93, 78] Operation: 91-13=78 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 93:[93, 7], Operations: ['83+10=93', '91/13=7'] Exploring Operation: 93-7=86, Resulting Numbers: [86] 86,93 unequal: No Solution Exploring Operation: 93+7=100, Resulting Numbers: [100] 100,93 unequal: No Solution Exploring Operation: 93*7=651, Resulting Numbers: [651] 651,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 93:[13, 2], Operations: ['83+10=93', '93-91=2'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,93 unequal: No Solution Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,93 unequal: No Solution Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 93:[93, 104], Operations: ['83+10=93', '91+13=104'] Exploring Operation: 93*104=9672, Resulting Numbers: [9672] 9672,93 unequal: No Solution Exploring Operation: 104-93=11, Resulting Numbers: [11] 11,93 unequal: No Solution Exploring Operation: 93+104=197, Resulting Numbers: [197] 197,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 93:[91, 106], Operations: ['83+10=93', '13+93=106'] Exploring Operation: 91+106=197, Resulting Numbers: [197] 197,93 unequal: No Solution Exploring Operation: 91*106=9646, Resulting Numbers: [9646] 9646,93 unequal: No Solution Exploring Operation: 106-91=15, Resulting Numbers: [15] 15,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 93:[93, 78], Operations: ['83+10=93', '91-13=78'] Exploring Operation: 93*78=7254, Resulting Numbers: [7254] 7254,93 unequal: No Solution Exploring Operation: 93+78=171, Resulting Numbers: [171] 171,93 unequal: No Solution Exploring Operation: 93-78=15, Resulting Numbers: [15] 15,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 93:[91, 10, 96], Operations: ['83+13=96'] Exploring Operation: 96-91=5, Resulting Numbers: [10, 5] Generated Node #0,3,0: 93:[10, 5] Operation: 96-91=5 Exploring Operation: 10+96=106, Resulting Numbers: [91, 106] Generated Node #0,3,1: 93:[91, 106] Operation: 10+96=106 Exploring Operation: 91+10=101, Resulting Numbers: [96, 101] Generated Node #0,3,2: 93:[96, 101] Operation: 91+10=101 Exploring Operation: 91-10=81, Resulting Numbers: [96, 81] Generated Node #0,3,3: 93:[96, 81] Operation: 91-10=81 Exploring Operation: 96-10=86, Resulting Numbers: [91, 86] Generated Node #0,3,4: 93:[91, 86] Operation: 96-10=86 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 93:[10, 5], Operations: ['83+13=96', '96-91=5'] Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,93 unequal: No Solution Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 93:[91, 86], Operations: ['83+13=96', '96-10=86'] Exploring Operation: 91+86=177, Resulting Numbers: [177] 177,93 unequal: No Solution Exploring Operation: 91-86=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 91*86=7826, Resulting Numbers: [7826] 7826,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 93:[96, 101], Operations: ['83+13=96', '91+10=101'] Exploring Operation: 101-96=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 96+101=197, Resulting Numbers: [197] 197,93 unequal: No Solution Exploring Operation: 96*101=9696, Resulting Numbers: [9696] 9696,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 93:[91, 106], Operations: ['83+13=96', '10+96=106'] Exploring Operation: 106-91=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 91+106=197, Resulting Numbers: [197] 197,93 unequal: No Solution Exploring Operation: 91*106=9646, Resulting Numbers: [9646] 9646,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 93:[96, 81], Operations: ['83+13=96', '91-10=81'] Exploring Operation: 96+81=177, Resulting Numbers: [177] 177,93 unequal: No Solution Exploring Operation: 96-81=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 96*81=7776, Resulting Numbers: [7776] 7776,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 93:[83, 91, 3], Operations: ['13-10=3'] Exploring Operation: 91-3=88, Resulting Numbers: [83, 88] Generated Node #0,4,0: 93:[83, 88] Operation: 91-3=88 Exploring Operation: 91+3=94, Resulting Numbers: [83, 94] Generated Node #0,4,1: 93:[83, 94] Operation: 91+3=94 Exploring Operation: 83+3=86, Resulting Numbers: [91, 86] Generated Node #0,4,2: 93:[91, 86] Operation: 83+3=86 Exploring Operation: 91-83=8, Resulting Numbers: [3, 8] Generated Node #0,4,3: 93:[3, 8] Operation: 91-83=8 Exploring Operation: 83-3=80, Resulting Numbers: [91, 80] Generated Node #0,4,4: 93:[91, 80] Operation: 83-3=80 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 93:[3, 8], Operations: ['13-10=3', '91-83=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,93 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 93:[91, 86], Operations: ['13-10=3', '83+3=86'] Exploring Operation: 91+86=177, Resulting Numbers: [177] 177,93 unequal: No Solution Exploring Operation: 91*86=7826, Resulting Numbers: [7826] 7826,93 unequal: No Solution Exploring Operation: 91-86=5, Resulting Numbers: [5] 5,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 93:[83, 94], Operations: ['13-10=3', '91+3=94'] Exploring Operation: 83+94=177, Resulting Numbers: [177] 177,93 unequal: No Solution Exploring Operation: 83*94=7802, Resulting Numbers: [7802] 7802,93 unequal: No Solution Exploring Operation: 94-83=11, Resulting Numbers: [11] 11,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 93:[83, 88], Operations: ['13-10=3', '91-3=88'] Exploring Operation: 88-83=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 83*88=7304, Resulting Numbers: [7304] 7304,93 unequal: No Solution Exploring Operation: 83+88=171, Resulting Numbers: [171] 171,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 93:[91, 80], Operations: ['13-10=3', '83-3=80'] Exploring Operation: 91*80=7280, Resulting Numbers: [7280] 7280,93 unequal: No Solution Exploring Operation: 91-80=11, Resulting Numbers: [11] 11,93 unequal: No Solution Exploring Operation: 91+80=171, Resulting Numbers: [171] 171,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[83, 91, 23], Operations: ['10+13=23'] Exploring Operation: 91+23=114, Resulting Numbers: [83, 114] Generated Node #0,0,0: 93:[83, 114] Operation: 91+23=114 Exploring Operation: 91-23=68, Resulting Numbers: [83, 68] Generated Node #0,0,1: 93:[83, 68] Operation: 91-23=68 Exploring Operation: 83-23=60, Resulting Numbers: [91, 60] Generated Node #0,0,2: 93:[91, 60] Operation: 83-23=60 Exploring Operation: 91-83=8, Resulting Numbers: [23, 8] Generated Node #0,0,3: 93:[23, 8] Operation: 91-83=8 Exploring Operation: 83+23=106, Resulting Numbers: [91, 106] Generated Node #0,0,4: 93:[91, 106] Operation: 83+23=106 Moving to Node #0,0,3 Current State: 93:[23, 8], Operations: ['10+13=23', '91-83=8'] Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 23+8=31, Resulting Numbers: [31] 31,93 unequal: No Solution Exploring Operation: 23*8=184, Resulting Numbers: [184] 184,93 unequal: No Solution Moving to Node #0,0,4 Current State: 93:[91, 106], Operations: ['10+13=23', '83+23=106'] Exploring Operation: 91+106=197, Resulting Numbers: [197] 197,93 unequal: No Solution Exploring Operation: 106-91=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 91*106=9646, Resulting Numbers: [9646] 9646,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[83, 114], Operations: ['10+13=23', '91+23=114'] Exploring Operation: 114-83=31, Resulting Numbers: [31] 31,93 unequal: No Solution Exploring Operation: 83+114=197, Resulting Numbers: [197] 197,93 unequal: No Solution Exploring Operation: 83*114=9462, Resulting Numbers: [9462] 9462,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[91, 60], Operations: ['10+13=23', '83-23=60'] Exploring Operation: 91+60=151, Resulting Numbers: [151] 151,93 unequal: No Solution Exploring Operation: 91-60=31, Resulting Numbers: [31] 31,93 unequal: No Solution Exploring Operation: 91*60=5460, Resulting Numbers: [5460] 5460,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[83, 68], Operations: ['10+13=23', '91-23=68'] Exploring Operation: 83*68=5644, Resulting Numbers: [5644] 5644,93 unequal: No Solution Exploring Operation: 83-68=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 83+68=151, Resulting Numbers: [151] 151,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[83, 10, 7], Operations: ['91/13=7'] Exploring Operation: 83+7=90, Resulting Numbers: [10, 90] Generated Node #0,1,0: 93:[10, 90] Operation: 83+7=90 Exploring Operation: 83-10=73, Resulting Numbers: [7, 73] Generated Node #0,1,1: 93:[7, 73] Operation: 83-10=73 Exploring Operation: 10-7=3, Resulting Numbers: [83, 3] Generated Node #0,1,2: 93:[83, 3] Operation: 10-7=3 Exploring Operation: 83+10=93, Resulting Numbers: [7, 93] Generated Node #0,1,3: 93:[7, 93] Operation: 83+10=93 Exploring Operation: 83-7=76, Resulting Numbers: [10, 76] Generated Node #0,1,4: 93:[10, 76] Operation: 83-7=76 Moving to Node #0,1,3 Current State: 93:[7, 93], Operations: ['91/13=7', '83+10=93'] Exploring Operation: 93-7=86, Resulting Numbers: [86] 86,93 unequal: No Solution Exploring Operation: 7+93=100, Resulting Numbers: [100] 100,93 unequal: No Solution Exploring Operation: 7*93=651, Resulting Numbers: [651] 651,93 unequal: No Solution Moving to Node #0,1,2 Current State: 93:[83, 3], Operations: ['91/13=7', '10-7=3'] Exploring Operation: 83+3=86, Resulting Numbers: [86] 86,93 unequal: No Solution Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,93 unequal: No Solution Exploring Operation: 83*3=249, Resulting Numbers: [249] 249,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[10, 90], Operations: ['91/13=7', '83+7=90'] Exploring Operation: 90/10=9, Resulting Numbers: [9] 9,93 unequal: No Solution Exploring Operation: 10*90=900, Resulting Numbers: [900] 900,93 unequal: No Solution Exploring Operation: 10+90=100, Resulting Numbers: [100] 100,93 unequal: No Solution Exploring Operation: 90-10=80, Resulting Numbers: [80] 80,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[7, 73], Operations: ['91/13=7', '83-10=73'] Exploring Operation: 7*73=511, Resulting Numbers: [511] 511,93 unequal: No Solution Exploring Operation: 73-7=66, Resulting Numbers: [66] 66,93 unequal: No Solution Exploring Operation: 7+73=80, Resulting Numbers: [80] 80,93 unequal: No Solution Moving to Node #0,1,4 Current State: 93:[10, 76], Operations: ['91/13=7', '83-7=76'] Exploring Operation: 10+76=86, Resulting Numbers: [86] 86,93 unequal: No Solution Exploring Operation: 10*76=760, Resulting Numbers: [760] 760,93 unequal: No Solution Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,93 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
[ 27, 83, 70, 96 ]
30
[ "83-27=56", "96-70=26", "56-26=30" ]
Current State: 30:[27, 83, 70, 96], Operations: [] Exploring Operation: 83-27=56, Resulting Numbers: [70, 96, 56] Generated Node #2: [70, 96, 56] from Operation: 83-27=56 Current State: 30:[70, 96, 56], Operations: ['83-27=56'] Exploring Operation: 96-70=26, Resulting Numbers: [56, 26] Generated Node #3: [56, 26] from Operation: 96-70=26 Current State: 30:[56, 26], Operations: ['83-27=56', '96-70=26'] Exploring Operation: 56-26=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[27, 83, 70, 96], Operations: [] Exploring Operation: 96-83=13, Resulting Numbers: [27, 70, 13] Generated Node #0,0: 30:[27, 70, 13] Operation: 96-83=13 Exploring Operation: 96-70=26, Resulting Numbers: [27, 83, 26] Generated Node #0,1: 30:[27, 83, 26] Operation: 96-70=26 Moving to Node #0,0 Current State: 30:[27, 70, 13], Operations: ['96-83=13'] Exploring Operation: 70-27=43, Resulting Numbers: [13, 43] Generated Node #0,0,0: 30:[13, 43] Operation: 70-27=43 Exploring Operation: 70-13=57, Resulting Numbers: [27, 57] Generated Node #0,0,1: 30:[27, 57] Operation: 70-13=57 Moving to Node #0,1 Current State: 30:[27, 83, 26], Operations: ['96-70=26'] Exploring Operation: 83-27=56, Resulting Numbers: [26, 56] Generated Node #0,1,0: 30:[26, 56] Operation: 83-27=56 Exploring Operation: 83-26=57, Resulting Numbers: [27, 57] Generated Node #0,1,1: 30:[27, 57] Operation: 83-26=57 Moving to Node #0,0,0 Current State: 30:[13, 43], Operations: ['96-83=13', '70-27=43'] Exploring Operation: 13+43=56, Resulting Numbers: [56] 56,30 unequal: No Solution Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[27, 83, 70, 96], Operations: [] Exploring Operation: 96-83=13, Resulting Numbers: [27, 70, 13] Generated Node #0,0: 30:[27, 70, 13] Operation: 96-83=13 Moving to Node #0,0 Current State: 30:[27, 70, 13], Operations: ['96-83=13'] Exploring Operation: 70-27=43, Resulting Numbers: [13, 43] Generated Node #0,0,0: 30:[13, 43] Operation: 70-27=43 Moving to Node #0,0,0 Current State: 30:[13, 43], Operations: ['96-83=13', '70-27=43'] Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
0.989583
hs_2
sum_heuristic
[ 41, 29, 52, 2 ]
35
[ "41+52=93", "29*2=58", "93-58=35" ]
Current State: 35:[41, 29, 52, 2], Operations: [] Exploring Operation: 41+52=93, Resulting Numbers: [29, 2, 93] Generated Node #2: [29, 2, 93] from Operation: 41+52=93 Current State: 35:[29, 2, 93], Operations: ['41+52=93'] Exploring Operation: 29*2=58, Resulting Numbers: [93, 58] Generated Node #3: [93, 58] from Operation: 29*2=58 Current State: 35:[93, 58], Operations: ['41+52=93', '29*2=58'] Exploring Operation: 93-58=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[41, 29, 52, 2], Operations: [] Exploring Operation: 52-41=11, Resulting Numbers: [29, 2, 11] Generated Node #0,0: 35:[29, 2, 11] Operation: 52-41=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[29, 2, 11], Operations: ['52-41=11'] Exploring Operation: 29+2=31, Resulting Numbers: [11, 31] Generated Node #0,0,0: 35:[11, 31] Operation: 29+2=31 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 35:[11, 31], Operations: ['52-41=11', '29+2=31'] Exploring Operation: 11+31=42, Resulting Numbers: [42] 42,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 50, 70, 17, 55 ]
25
[ "70-17=53", "55-53=2", "50/2=25" ]
Current State: 25:[50, 70, 17, 55], Operations: [] Exploring Operation: 70-17=53, Resulting Numbers: [50, 55, 53] Generated Node #2: [50, 55, 53] from Operation: 70-17=53 Current State: 25:[50, 55, 53], Operations: ['70-17=53'] Exploring Operation: 55-53=2, Resulting Numbers: [50, 2] Generated Node #3: [50, 2] from Operation: 55-53=2 Current State: 25:[50, 2], Operations: ['70-17=53', '55-53=2'] Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[50, 70, 17, 55], Operations: [] Exploring Operation: 70-50=20, Resulting Numbers: [17, 55, 20] Generated Node #0,0: 25:[17, 55, 20] Operation: 70-50=20 Exploring Operation: 55-50=5, Resulting Numbers: [70, 17, 5] Generated Node #0,1: 25:[70, 17, 5] Operation: 55-50=5 Exploring Operation: 70-55=15, Resulting Numbers: [50, 17, 15] Generated Node #0,2: 25:[50, 17, 15] Operation: 70-55=15 Moving to Node #0,0 Current State: 25:[17, 55, 20], Operations: ['70-50=20'] Exploring Operation: 55-20=35, Resulting Numbers: [17, 35] Generated Node #0,0,0: 25:[17, 35] Operation: 55-20=35 Exploring Operation: 55-17=38, Resulting Numbers: [20, 38] Generated Node #0,0,1: 25:[20, 38] Operation: 55-17=38 Exploring Operation: 20-17=3, Resulting Numbers: [55, 3] Generated Node #0,0,2: 25:[55, 3] Operation: 20-17=3 Moving to Node #0,2 Current State: 25:[50, 17, 15], Operations: ['70-55=15'] Exploring Operation: 17-15=2, Resulting Numbers: [50, 2] Generated Node #0,2,0: 25:[50, 2] Operation: 17-15=2 Exploring Operation: 50-15=35, Resulting Numbers: [17, 35] Generated Node #0,2,1: 25:[17, 35] Operation: 50-15=35 Exploring Operation: 50-17=33, Resulting Numbers: [15, 33] Generated Node #0,2,2: 25:[15, 33] Operation: 50-17=33 Moving to Node #0,1 Current State: 25:[70, 17, 5], Operations: ['55-50=5'] Exploring Operation: 70-5=65, Resulting Numbers: [17, 65] Generated Node #0,1,0: 25:[17, 65] Operation: 70-5=65 Exploring Operation: 70-17=53, Resulting Numbers: [5, 53] Generated Node #0,1,1: 25:[5, 53] Operation: 70-17=53 Exploring Operation: 70/5=14, Resulting Numbers: [17, 14] Generated Node #0,1,2: 25:[17, 14] Operation: 70/5=14 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 25:[17, 14], Operations: ['55-50=5', '70/5=14'] Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 17*14=238, Resulting Numbers: [238] 238,25 unequal: No Solution Exploring Operation: 17+14=31, Resulting Numbers: [31] 31,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 25:[5, 53], Operations: ['55-50=5', '70-17=53'] Exploring Operation: 5+53=58, Resulting Numbers: [58] 58,25 unequal: No Solution Exploring Operation: 5*53=265, Resulting Numbers: [265] 265,25 unequal: No Solution Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[17, 65], Operations: ['55-50=5', '70-5=65'] Exploring Operation: 65-17=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 17*65=1105, Resulting Numbers: [1105] 1105,25 unequal: No Solution Exploring Operation: 17+65=82, Resulting Numbers: [82] 82,25 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: 25:[17, 35], Operations: ['70-50=20', '55-20=35'] Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 17*35=595, Resulting Numbers: [595] 595,25 unequal: No Solution Exploring Operation: 17+35=52, Resulting Numbers: [52] 52,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[20, 38], Operations: ['70-50=20', '55-17=38'] Exploring Operation: 20+38=58, Resulting Numbers: [58] 58,25 unequal: No Solution Exploring Operation: 38-20=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 20*38=760, Resulting Numbers: [760] 760,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[15, 33], Operations: ['70-55=15', '50-17=33'] Exploring Operation: 33-15=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 15+33=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 15*33=495, Resulting Numbers: [495] 495,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[17, 35], Operations: ['70-55=15', '50-15=35'] Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 17*35=595, Resulting Numbers: [595] 595,25 unequal: No Solution Exploring Operation: 17+35=52, Resulting Numbers: [52] 52,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[50, 2], Operations: ['70-55=15', '17-15=2'] Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[50, 70, 17, 55], Operations: [] Exploring Operation: 70-55=15, Resulting Numbers: [50, 17, 15] Generated Node #0,2: 25:[50, 17, 15] Operation: 70-55=15 Moving to Node #0,2 Current State: 25:[50, 17, 15], Operations: ['70-55=15'] Exploring Operation: 17-15=2, Resulting Numbers: [50, 2] Generated Node #0,2,0: 25:[50, 2] Operation: 17-15=2 Moving to Node #0,2,0 Current State: 25:[50, 2], Operations: ['70-55=15', '17-15=2'] Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
0.967014
hs_3
mult_heuristic
[ 79, 77, 68, 22 ]
29
[ "79-68=11", "77/11=7", "22+7=29" ]
Current State: 29:[79, 77, 68, 22], Operations: [] Exploring Operation: 79-68=11, Resulting Numbers: [77, 22, 11] Generated Node #2: [77, 22, 11] from Operation: 79-68=11 Current State: 29:[77, 22, 11], Operations: ['79-68=11'] Exploring Operation: 77/11=7, Resulting Numbers: [22, 7] Generated Node #3: [22, 7] from Operation: 77/11=7 Current State: 29:[22, 7], Operations: ['79-68=11', '77/11=7'] Exploring Operation: 22+7=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[79, 77, 68, 22], Operations: [] Exploring Operation: 79-77=2, Resulting Numbers: [68, 22, 2] Generated Node #0,0: 29:[68, 22, 2] Operation: 79-77=2 Moving to Node #0,0 Current State: 29:[68, 22, 2], Operations: ['79-77=2'] Exploring Operation: 68/2=34, Resulting Numbers: [22, 34] Generated Node #0,0,0: 29:[22, 34] Operation: 68/2=34 Moving to Node #0,0,0 Current State: 29:[22, 34], Operations: ['79-77=2', '68/2=34'] Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,29 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 37, 2, 36, 26 ]
23
[ "37+2=39", "36+26=62", "62-39=23" ]
Current State: 23:[37, 2, 36, 26], Operations: [] Exploring Operation: 37+2=39, Resulting Numbers: [36, 26, 39] Generated Node #2: [36, 26, 39] from Operation: 37+2=39 Current State: 23:[36, 26, 39], Operations: ['37+2=39'] Exploring Operation: 36+26=62, Resulting Numbers: [39, 62] Generated Node #3: [39, 62] from Operation: 36+26=62 Current State: 23:[39, 62], Operations: ['37+2=39', '36+26=62'] Exploring Operation: 62-39=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[37, 2, 36, 26], Operations: [] Exploring Operation: 36/2=18, Resulting Numbers: [37, 26, 18] Generated Node #0,0: 23:[37, 26, 18] Operation: 36/2=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[37, 26, 18], Operations: ['36/2=18'] Exploring Operation: 37-18=19, Resulting Numbers: [26, 19] Generated Node #0,0,0: 23:[26, 19] Operation: 37-18=19 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[26, 19], Operations: ['36/2=18', '37-18=19'] Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic