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
[ 20, 36, 63, 59 ]
24
[ "20*63=1260", "1260/36=35", "59-35=24" ]
Current State: 24:[20, 36, 63, 59], Operations: [] Exploring Operation: 20*63=1260, Resulting Numbers: [36, 59, 1260] Generated Node #2: [36, 59, 1260] from Operation: 20*63=1260 Current State: 24:[36, 59, 1260], Operations: ['20*63=1260'] Exploring Operation: 1260/36=35, Resulting Numbers: [59, 35] Generated Node #3: [59, 35] from Operation: 1260/36=35 Current State: 24:[59, 35], Operations: ['20*63=1260', '1260/36=35'] Exploring Operation: 59-35=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[20, 36, 63, 59], Operations: [] Exploring Operation: 63-59=4, Resulting Numbers: [20, 36, 4] Generated Node #0,0: 24:[20, 36, 4] Operation: 63-59=4 Exploring Operation: 63-36=27, Resulting Numbers: [20, 59, 27] Generated Node #0,1: 24:[20, 59, 27] Operation: 63-36=27 Exploring Operation: 59-36=23, Resulting Numbers: [20, 63, 23] Generated Node #0,2: 24:[20, 63, 23] Operation: 59-36=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[20, 36, 4], Operations: ['63-59=4'] Exploring Operation: 20+4=24, Resulting Numbers: [36, 24] Generated Node #0,0,0: 24:[36, 24] Operation: 20+4=24 Exploring Operation: 36/4=9, Resulting Numbers: [20, 9] Generated Node #0,0,1: 24:[20, 9] Operation: 36/4=9 Exploring Operation: 36-20=16, Resulting Numbers: [4, 16] Generated Node #0,0,2: 24:[4, 16] Operation: 36-20=16 Moving to Node #0,0,2 Current State: 24:[4, 16], Operations: ['63-59=4', '36-20=16'] Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,24 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,24 unequal: No Solution Moving to Node #0,0,1 Current State: 24:[20, 9], Operations: ['63-59=4', '36/4=9'] Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,24 unequal: No Solution Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,24 unequal: No Solution Exploring Operation: 20*9=180, Resulting Numbers: [180] 180,24 unequal: No Solution Moving to Node #0,0,0 Current State: 24:[36, 24], Operations: ['63-59=4', '20+4=24'] Exploring Operation: 36*24=864, Resulting Numbers: [864] 864,24 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 36+24=60, Resulting Numbers: [60] 60,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 24:[20, 59, 27], Operations: ['63-36=27'] Exploring Operation: 59-27=32, Resulting Numbers: [20, 32] Generated Node #0,1,0: 24:[20, 32] Operation: 59-27=32 Exploring Operation: 59-20=39, Resulting Numbers: [27, 39] Generated Node #0,1,1: 24:[27, 39] Operation: 59-20=39 Exploring Operation: 27-20=7, Resulting Numbers: [59, 7] Generated Node #0,1,2: 24:[59, 7] Operation: 27-20=7 Moving to Node #0,1,0 Current State: 24:[20, 32], Operations: ['63-36=27', '59-27=32'] Exploring Operation: 20+32=52, Resulting Numbers: [52] 52,24 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 20*32=640, Resulting Numbers: [640] 640,24 unequal: No Solution Moving to Node #0,1,1 Current State: 24:[27, 39], Operations: ['63-36=27', '59-20=39'] Exploring Operation: 27*39=1053, Resulting Numbers: [1053] 1053,24 unequal: No Solution Exploring Operation: 27+39=66, Resulting Numbers: [66] 66,24 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,24 unequal: No Solution Moving to Node #0,1,2 Current State: 24:[59, 7], Operations: ['63-36=27', '27-20=7'] Exploring Operation: 59-7=52, Resulting Numbers: [52] 52,24 unequal: No Solution Exploring Operation: 59*7=413, Resulting Numbers: [413] 413,24 unequal: No Solution Exploring Operation: 59+7=66, Resulting Numbers: [66] 66,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 24:[20, 63, 23], Operations: ['59-36=23'] Exploring Operation: 63-20=43, Resulting Numbers: [23, 43] Generated Node #0,2,0: 24:[23, 43] Operation: 63-20=43 Exploring Operation: 63-23=40, Resulting Numbers: [20, 40] Generated Node #0,2,1: 24:[20, 40] Operation: 63-23=40 Exploring Operation: 23-20=3, Resulting Numbers: [63, 3] Generated Node #0,2,2: 24:[63, 3] Operation: 23-20=3 Moving to Node #0,2,0 Current State: 24:[23, 43], Operations: ['59-36=23', '63-20=43'] Exploring Operation: 23*43=989, Resulting Numbers: [989] 989,24 unequal: No Solution Exploring Operation: 23+43=66, Resulting Numbers: [66] 66,24 unequal: No Solution Exploring Operation: 43-23=20, Resulting Numbers: [20] 20,24 unequal: No Solution Moving to Node #0,2,1 Current State: 24:[20, 40], Operations: ['59-36=23', '63-23=40'] Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,24 unequal: No Solution Exploring Operation: 20+40=60, Resulting Numbers: [60] 60,24 unequal: No Solution Exploring Operation: 40/20=2, Resulting Numbers: [2] 2,24 unequal: No Solution Moving to Node #0,2,2 Current State: 24:[63, 3], Operations: ['59-36=23', '23-20=3'] Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,24 unequal: No Solution Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,24 unequal: No Solution Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 2, 84, 74, 84 ]
71
[ "74-2=72", "84/84=1", "72-1=71" ]
Current State: 71:[2, 84, 74, 84], Operations: [] Exploring Operation: 74-2=72, Resulting Numbers: [84, 84, 72] Generated Node #2: [84, 84, 72] from Operation: 74-2=72 Current State: 71:[84, 84, 72], Operations: ['74-2=72'] Exploring Operation: 84/84=1, Resulting Numbers: [72, 1] Generated Node #3: [72, 1] from Operation: 84/84=1 Current State: 71:[72, 1], Operations: ['74-2=72', '84/84=1'] Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[2, 84, 74, 84], Operations: [] Exploring Operation: 84-2=82, Resulting Numbers: [84, 74, 82] Generated Node #0,0: 71:[84, 74, 82] Operation: 84-2=82 Exploring Operation: 84-2=82, Resulting Numbers: [74, 84, 82] Generated Node #0,1: 71:[74, 84, 82] Operation: 84-2=82 Exploring Operation: 74-2=72, Resulting Numbers: [84, 84, 72] Generated Node #0,2: 71:[84, 84, 72] Operation: 74-2=72 Exploring Operation: 2+84=86, Resulting Numbers: [74, 84, 86] Generated Node #0,3: 71:[74, 84, 86] Operation: 2+84=86 Exploring Operation: 2+74=76, Resulting Numbers: [84, 84, 76] Generated Node #0,4: 71:[84, 84, 76] Operation: 2+74=76 Moving to Node #0,0 Current State: 71:[84, 74, 82], Operations: ['84-2=82'] Exploring Operation: 84-74=10, Resulting Numbers: [82, 10] Generated Node #0,0,0: 71:[82, 10] Operation: 84-74=10 Exploring Operation: 84+74=158, Resulting Numbers: [82, 158] Generated Node #0,0,1: 71:[82, 158] Operation: 84+74=158 Exploring Operation: 82-74=8, Resulting Numbers: [84, 8] Generated Node #0,0,2: 71:[84, 8] Operation: 82-74=8 Exploring Operation: 84-82=2, Resulting Numbers: [74, 2] Generated Node #0,0,3: 71:[74, 2] Operation: 84-82=2 Exploring Operation: 84+82=166, Resulting Numbers: [74, 166] Generated Node #0,0,4: 71:[74, 166] Operation: 84+82=166 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[82, 10], Operations: ['84-2=82', '84-74=10'] Exploring Operation: 82*10=820, Resulting Numbers: [820] 820,71 unequal: No Solution Exploring Operation: 82-10=72, Resulting Numbers: [72] 72,71 unequal: No Solution Exploring Operation: 82+10=92, Resulting Numbers: [92] 92,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 71:[74, 2], Operations: ['84-2=82', '84-82=2'] Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,71 unequal: No Solution Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,71 unequal: No Solution Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,71 unequal: No Solution Exploring Operation: 74*2=148, Resulting Numbers: [148] 148,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 71:[84, 8], Operations: ['84-2=82', '82-74=8'] Exploring Operation: 84*8=672, Resulting Numbers: [672] 672,71 unequal: No Solution Exploring Operation: 84+8=92, Resulting Numbers: [92] 92,71 unequal: No Solution Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[82, 158], Operations: ['84-2=82', '84+74=158'] Exploring Operation: 82*158=12956, Resulting Numbers: [12956] 12956,71 unequal: No Solution Exploring Operation: 82+158=240, Resulting Numbers: [240] 240,71 unequal: No Solution Exploring Operation: 158-82=76, Resulting Numbers: [76] 76,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 71:[74, 166], Operations: ['84-2=82', '84+82=166'] Exploring Operation: 74*166=12284, Resulting Numbers: [12284] 12284,71 unequal: No Solution Exploring Operation: 166-74=92, Resulting Numbers: [92] 92,71 unequal: No Solution Exploring Operation: 74+166=240, Resulting Numbers: [240] 240,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 71:[84, 84, 72], Operations: ['74-2=72'] Exploring Operation: 84/84=1, Resulting Numbers: [72, 1] Generated Node #0,2,0: 71:[72, 1] Operation: 84/84=1 Exploring Operation: 84-72=12, Resulting Numbers: [84, 12] Generated Node #0,2,1: 71:[84, 12] Operation: 84-72=12 Exploring Operation: 84-72=12, Resulting Numbers: [84, 12] Generated Node #0,2,2: 71:[84, 12] Operation: 84-72=12 Exploring Operation: 84+84=168, Resulting Numbers: [72, 168] Generated Node #0,2,3: 71:[72, 168] Operation: 84+84=168 Exploring Operation: 84-84=0, Resulting Numbers: [72, 0] Generated Node #0,2,4: 71:[72, 0] Operation: 84-84=0 Moving to Node #0,1 Current State: 71:[74, 84, 82], Operations: ['84-2=82'] Exploring Operation: 82-74=8, Resulting Numbers: [84, 8] Generated Node #0,1,0: 71:[84, 8] Operation: 82-74=8 Exploring Operation: 84-74=10, Resulting Numbers: [82, 10] Generated Node #0,1,1: 71:[82, 10] Operation: 84-74=10 Exploring Operation: 84-82=2, Resulting Numbers: [74, 2] Generated Node #0,1,2: 71:[74, 2] Operation: 84-82=2 Exploring Operation: 74+82=156, Resulting Numbers: [84, 156] Generated Node #0,1,3: 71:[84, 156] Operation: 74+82=156 Exploring Operation: 74+84=158, Resulting Numbers: [82, 158] Generated Node #0,1,4: 71:[82, 158] Operation: 74+84=158 Moving to Node #0,3 Current State: 71:[74, 84, 86], Operations: ['2+84=86'] Exploring Operation: 74+84=158, Resulting Numbers: [86, 158] Generated Node #0,3,0: 71:[86, 158] Operation: 74+84=158 Exploring Operation: 86-74=12, Resulting Numbers: [84, 12] Generated Node #0,3,1: 71:[84, 12] Operation: 86-74=12 Exploring Operation: 86-84=2, Resulting Numbers: [74, 2] Generated Node #0,3,2: 71:[74, 2] Operation: 86-84=2 Exploring Operation: 84-74=10, Resulting Numbers: [86, 10] Generated Node #0,3,3: 71:[86, 10] Operation: 84-74=10 Exploring Operation: 74+86=160, Resulting Numbers: [84, 160] Generated Node #0,3,4: 71:[84, 160] Operation: 74+86=160 Moving to Node #0,4 Current State: 71:[84, 84, 76], Operations: ['2+74=76'] Exploring Operation: 84-76=8, Resulting Numbers: [84, 8] Generated Node #0,4,0: 71:[84, 8] Operation: 84-76=8 Exploring Operation: 84-76=8, Resulting Numbers: [84, 8] Generated Node #0,4,1: 71:[84, 8] Operation: 84-76=8 Exploring Operation: 84-84=0, Resulting Numbers: [76, 0] Generated Node #0,4,2: 71:[76, 0] Operation: 84-84=0 Exploring Operation: 84/84=1, Resulting Numbers: [76, 1] Generated Node #0,4,3: 71:[76, 1] Operation: 84/84=1 Exploring Operation: 84+84=168, Resulting Numbers: [76, 168] Generated Node #0,4,4: 71:[76, 168] Operation: 84+84=168 Moving to Node #0,2,0 Current State: 71:[72, 1], Operations: ['74-2=72', '84/84=1'] Exploring Operation: 72+1=73, Resulting Numbers: [73] 73,71 unequal: No Solution Exploring Operation: 72/1=72, Resulting Numbers: [72] 72,71 unequal: No Solution Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[2, 84, 74, 84], Operations: [] Exploring Operation: 74-2=72, Resulting Numbers: [84, 84, 72] Generated Node #0,2: 71:[84, 84, 72] Operation: 74-2=72 Moving to Node #0,2 Current State: 71:[84, 84, 72], Operations: ['74-2=72'] Exploring Operation: 84/84=1, Resulting Numbers: [72, 1] Generated Node #0,2,0: 71:[72, 1] Operation: 84/84=1 Moving to Node #0,2,0 Current State: 71:[72, 1], Operations: ['74-2=72', '84/84=1'] Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
0.953993
hs_5
sum_heuristic
[ 1, 90, 74, 79 ]
94
[ "90-1=89", "79-74=5", "89+5=94" ]
Current State: 94:[1, 90, 74, 79], Operations: [] Exploring Operation: 90-1=89, Resulting Numbers: [74, 79, 89] Generated Node #2: [74, 79, 89] from Operation: 90-1=89 Current State: 94:[74, 79, 89], Operations: ['90-1=89'] Exploring Operation: 79-74=5, Resulting Numbers: [89, 5] Generated Node #3: [89, 5] from Operation: 79-74=5 Current State: 94:[89, 5], Operations: ['90-1=89', '79-74=5'] Exploring Operation: 89+5=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[1, 90, 74, 79], Operations: [] Exploring Operation: 79-74=5, Resulting Numbers: [1, 90, 5] Generated Node #0,0: 94:[1, 90, 5] Operation: 79-74=5 Exploring Operation: 90-74=16, Resulting Numbers: [1, 79, 16] Generated Node #0,1: 94:[1, 79, 16] Operation: 90-74=16 Exploring Operation: 1+90=91, Resulting Numbers: [74, 79, 91] Generated Node #0,2: 94:[74, 79, 91] Operation: 1+90=91 Exploring Operation: 90-79=11, Resulting Numbers: [1, 74, 11] Generated Node #0,3: 94:[1, 74, 11] Operation: 90-79=11 Moving to Node #0,0 Current State: 94:[1, 90, 5], Operations: ['79-74=5'] Exploring Operation: 5-1=4, Resulting Numbers: [90, 4] Generated Node #0,0,0: 94:[90, 4] Operation: 5-1=4 Exploring Operation: 1*90=90, Resulting Numbers: [5, 90] Generated Node #0,0,1: 94:[5, 90] Operation: 1*90=90 Exploring Operation: 1+90=91, Resulting Numbers: [5, 91] Generated Node #0,0,2: 94:[5, 91] Operation: 1+90=91 Exploring Operation: 90+5=95, Resulting Numbers: [1, 95] Generated Node #0,0,3: 94:[1, 95] Operation: 90+5=95 Moving to Node #0,3 Current State: 94:[1, 74, 11], Operations: ['90-79=11'] Exploring Operation: 11-1=10, Resulting Numbers: [74, 10] Generated Node #0,3,0: 94:[74, 10] Operation: 11-1=10 Exploring Operation: 74+11=85, Resulting Numbers: [1, 85] Generated Node #0,3,1: 94:[1, 85] Operation: 74+11=85 Exploring Operation: 1+74=75, Resulting Numbers: [11, 75] Generated Node #0,3,2: 94:[11, 75] Operation: 1+74=75 Exploring Operation: 74-11=63, Resulting Numbers: [1, 63] Generated Node #0,3,3: 94:[1, 63] Operation: 74-11=63 Moving to Node #0,1 Current State: 94:[1, 79, 16], Operations: ['90-74=16'] Exploring Operation: 16-1=15, Resulting Numbers: [79, 15] Generated Node #0,1,0: 94:[79, 15] Operation: 16-1=15 Exploring Operation: 79-16=63, Resulting Numbers: [1, 63] Generated Node #0,1,1: 94:[1, 63] Operation: 79-16=63 Exploring Operation: 1+79=80, Resulting Numbers: [16, 80] Generated Node #0,1,2: 94:[16, 80] Operation: 1+79=80 Exploring Operation: 79+16=95, Resulting Numbers: [1, 95] Generated Node #0,1,3: 94:[1, 95] Operation: 79+16=95 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 94:[1, 95], Operations: ['90-74=16', '79+16=95'] Exploring Operation: 1+95=96, Resulting Numbers: [96] 96,94 unequal: No Solution Exploring Operation: 95/1=95, Resulting Numbers: [95] 95,94 unequal: No Solution Exploring Operation: 95-1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[1, 90, 74, 79], Operations: [] Exploring Operation: 90-74=16, Resulting Numbers: [1, 79, 16] Generated Node #0,1: 94:[1, 79, 16] Operation: 90-74=16 Moving to Node #0,1 Current State: 94:[1, 79, 16], Operations: ['90-74=16'] Exploring Operation: 79+16=95, Resulting Numbers: [1, 95] Generated Node #0,1,3: 94:[1, 95] Operation: 79+16=95 Moving to Node #0,1,3 Current State: 94:[1, 95], Operations: ['90-74=16', '79+16=95'] Exploring Operation: 95-1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
sum_heuristic
[ 25, 10, 12, 80 ]
22
[ "25*12=300", "300-80=220", "220/10=22" ]
Current State: 22:[25, 10, 12, 80], Operations: [] Exploring Operation: 25*12=300, Resulting Numbers: [10, 80, 300] Generated Node #2: [10, 80, 300] from Operation: 25*12=300 Current State: 22:[10, 80, 300], Operations: ['25*12=300'] Exploring Operation: 300-80=220, Resulting Numbers: [10, 220] Generated Node #3: [10, 220] from Operation: 300-80=220 Current State: 22:[10, 220], Operations: ['25*12=300', '300-80=220'] Exploring Operation: 220/10=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[25, 10, 12, 80], Operations: [] Exploring Operation: 80/10=8, Resulting Numbers: [25, 12, 8] Generated Node #0,0: 22:[25, 12, 8] Operation: 80/10=8 Moving to Node #0,0 Current State: 22:[25, 12, 8], Operations: ['80/10=8'] Exploring Operation: 25-12=13, Resulting Numbers: [8, 13] Generated Node #0,0,0: 22:[8, 13] Operation: 25-12=13 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[8, 13], Operations: ['80/10=8', '25-12=13'] Exploring Operation: 8+13=21, Resulting Numbers: [21] 21,22 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
[ 88, 89, 96, 62 ]
35
[ "89-88=1", "96-62=34", "1+34=35" ]
Current State: 35:[88, 89, 96, 62], Operations: [] Exploring Operation: 89-88=1, Resulting Numbers: [96, 62, 1] Generated Node #2: [96, 62, 1] from Operation: 89-88=1 Current State: 35:[96, 62, 1], Operations: ['89-88=1'] Exploring Operation: 96-62=34, Resulting Numbers: [1, 34] Generated Node #3: [1, 34] from Operation: 96-62=34 Current State: 35:[1, 34], Operations: ['89-88=1', '96-62=34'] Exploring Operation: 1+34=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[88, 89, 96, 62], Operations: [] Exploring Operation: 96-89=7, Resulting Numbers: [88, 62, 7] Generated Node #0,0: 35:[88, 62, 7] Operation: 96-89=7 Exploring Operation: 96-88=8, Resulting Numbers: [89, 62, 8] Generated Node #0,1: 35:[89, 62, 8] Operation: 96-88=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[88, 62, 7], Operations: ['96-89=7'] Exploring Operation: 88-7=81, Resulting Numbers: [62, 81] Generated Node #0,0,0: 35:[62, 81] Operation: 88-7=81 Exploring Operation: 88-62=26, Resulting Numbers: [7, 26] Generated Node #0,0,1: 35:[7, 26] Operation: 88-62=26 Moving to Node #0,0,1 Current State: 35:[7, 26], Operations: ['96-89=7', '88-62=26'] Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,35 unequal: No Solution Exploring Operation: 7+26=33, Resulting Numbers: [33] 33,35 unequal: No Solution Moving to Node #0,0,0 Current State: 35:[62, 81], Operations: ['96-89=7', '88-7=81'] Exploring Operation: 62+81=143, Resulting Numbers: [143] 143,35 unequal: No Solution Exploring Operation: 81-62=19, Resulting Numbers: [19] 19,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[89, 62, 8], Operations: ['96-88=8'] Exploring Operation: 89-62=27, Resulting Numbers: [8, 27] Generated Node #0,1,0: 35:[8, 27] Operation: 89-62=27 Exploring Operation: 89-8=81, Resulting Numbers: [62, 81] Generated Node #0,1,1: 35:[62, 81] Operation: 89-8=81 Moving to Node #0,1,0 Current State: 35:[8, 27], Operations: ['96-88=8', '89-62=27'] Exploring Operation: 8+27=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[88, 89, 96, 62], Operations: [] Exploring Operation: 96-88=8, Resulting Numbers: [89, 62, 8] Generated Node #0,1: 35:[89, 62, 8] Operation: 96-88=8 Moving to Node #0,1 Current State: 35:[89, 62, 8], Operations: ['96-88=8'] Exploring Operation: 89-62=27, Resulting Numbers: [8, 27] Generated Node #0,1,0: 35:[8, 27] Operation: 89-62=27 Moving to Node #0,1,0 Current State: 35:[8, 27], Operations: ['96-88=8', '89-62=27'] Exploring Operation: 8+27=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 7, 77, 15, 22 ]
91
[ "7+77=84", "22-15=7", "84+7=91" ]
Current State: 91:[7, 77, 15, 22], Operations: [] Exploring Operation: 7+77=84, Resulting Numbers: [15, 22, 84] Generated Node #2: [15, 22, 84] from Operation: 7+77=84 Current State: 91:[15, 22, 84], Operations: ['7+77=84'] Exploring Operation: 22-15=7, Resulting Numbers: [84, 7] Generated Node #3: [84, 7] from Operation: 22-15=7 Current State: 91:[84, 7], Operations: ['7+77=84', '22-15=7'] Exploring Operation: 84+7=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[7, 77, 15, 22], Operations: [] Exploring Operation: 77/7=11, Resulting Numbers: [15, 22, 11] Generated Node #0,0: 91:[15, 22, 11] Operation: 77/7=11 Exploring Operation: 77+15=92, Resulting Numbers: [7, 22, 92] Generated Node #0,1: 91:[7, 22, 92] Operation: 77+15=92 Exploring Operation: 77+22=99, Resulting Numbers: [7, 15, 99] Generated Node #0,2: 91:[7, 15, 99] Operation: 77+22=99 Moving to Node #0,1 Current State: 91:[7, 22, 92], Operations: ['77+15=92'] Exploring Operation: 7+22=29, Resulting Numbers: [92, 29] Generated Node #0,1,0: 91:[92, 29] Operation: 7+22=29 Exploring Operation: 22-7=15, Resulting Numbers: [92, 15] Generated Node #0,1,1: 91:[92, 15] Operation: 22-7=15 Exploring Operation: 92-7=85, Resulting Numbers: [22, 85] Generated Node #0,1,2: 91:[22, 85] Operation: 92-7=85 Moving to Node #0,2 Current State: 91:[7, 15, 99], Operations: ['77+22=99'] Exploring Operation: 99-7=92, Resulting Numbers: [15, 92] Generated Node #0,2,0: 91:[15, 92] Operation: 99-7=92 Exploring Operation: 15-7=8, Resulting Numbers: [99, 8] Generated Node #0,2,1: 91:[99, 8] Operation: 15-7=8 Exploring Operation: 99-15=84, Resulting Numbers: [7, 84] Generated Node #0,2,2: 91:[7, 84] Operation: 99-15=84 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 91:[15, 92], Operations: ['77+22=99', '99-7=92'] Exploring Operation: 15*92=1380, Resulting Numbers: [1380] 1380,91 unequal: No Solution Exploring Operation: 92-15=77, Resulting Numbers: [77] 77,91 unequal: No Solution Exploring Operation: 15+92=107, Resulting Numbers: [107] 107,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 91:[7, 84], Operations: ['77+22=99', '99-15=84'] Exploring Operation: 7+84=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[7, 77, 15, 22], Operations: [] Exploring Operation: 77+22=99, Resulting Numbers: [7, 15, 99] Generated Node #0,2: 91:[7, 15, 99] Operation: 77+22=99 Moving to Node #0,2 Current State: 91:[7, 15, 99], Operations: ['77+22=99'] Exploring Operation: 99-15=84, Resulting Numbers: [7, 84] Generated Node #0,2,2: 91:[7, 84] Operation: 99-15=84 Moving to Node #0,2,2 Current State: 91:[7, 84], Operations: ['77+22=99', '99-15=84'] Exploring Operation: 7+84=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 56, 40, 59, 96 ]
24
[ "59-56=3", "40*3=120", "120-96=24" ]
Current State: 24:[56, 40, 59, 96], Operations: [] Exploring Operation: 59-56=3, Resulting Numbers: [40, 96, 3] Generated Node #2: [40, 96, 3] from Operation: 59-56=3 Current State: 24:[40, 96, 3], Operations: ['59-56=3'] Exploring Operation: 40*3=120, Resulting Numbers: [96, 120] Generated Node #3: [96, 120] from Operation: 40*3=120 Current State: 24:[96, 120], Operations: ['59-56=3', '40*3=120'] Exploring Operation: 120-96=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[56, 40, 59, 96], Operations: [] Exploring Operation: 59-56=3, Resulting Numbers: [40, 96, 3] Generated Node #0,0: 24:[40, 96, 3] Operation: 59-56=3 Exploring Operation: 96-59=37, Resulting Numbers: [56, 40, 37] Generated Node #0,1: 24:[56, 40, 37] Operation: 96-59=37 Exploring Operation: 96-56=40, Resulting Numbers: [40, 59, 40] Generated Node #0,2: 24:[40, 59, 40] Operation: 96-56=40 Exploring Operation: 96-40=56, Resulting Numbers: [56, 59, 56] Generated Node #0,3: 24:[56, 59, 56] Operation: 96-40=56 Start Sub Search at level 1: Moving to Node #0,1 Current State: 24:[56, 40, 37], Operations: ['96-59=37'] Exploring Operation: 56-40=16, Resulting Numbers: [37, 16] Generated Node #0,1,0: 24:[37, 16] Operation: 56-40=16 Exploring Operation: 40-37=3, Resulting Numbers: [56, 3] Generated Node #0,1,1: 24:[56, 3] Operation: 40-37=3 Exploring Operation: 56+40=96, Resulting Numbers: [37, 96] Generated Node #0,1,2: 24:[37, 96] Operation: 56+40=96 Exploring Operation: 56-37=19, Resulting Numbers: [40, 19] Generated Node #0,1,3: 24:[40, 19] Operation: 56-37=19 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 24:[37, 16], Operations: ['96-59=37', '56-40=16'] Exploring Operation: 37+16=53, Resulting Numbers: [53] 53,24 unequal: No Solution Exploring Operation: 37-16=21, Resulting Numbers: [21] 21,24 unequal: No Solution Exploring Operation: 37*16=592, Resulting Numbers: [592] 592,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 24:[40, 19], Operations: ['96-59=37', '56-37=19'] Exploring Operation: 40+19=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,24 unequal: No Solution Exploring Operation: 40*19=760, Resulting Numbers: [760] 760,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 24:[56, 3], Operations: ['96-59=37', '40-37=3'] Exploring Operation: 56*3=168, Resulting Numbers: [168] 168,24 unequal: No Solution Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,24 unequal: No Solution Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 24:[37, 96], Operations: ['96-59=37', '56+40=96'] Exploring Operation: 96-37=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 37*96=3552, Resulting Numbers: [3552] 3552,24 unequal: No Solution Exploring Operation: 37+96=133, Resulting Numbers: [133] 133,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 24:[40, 59, 40], Operations: ['96-56=40'] Exploring Operation: 59-40=19, Resulting Numbers: [40, 19] Generated Node #0,2,0: 24:[40, 19] Operation: 59-40=19 Exploring Operation: 40-40=0, Resulting Numbers: [59, 0] Generated Node #0,2,1: 24:[59, 0] Operation: 40-40=0 Exploring Operation: 59-40=19, Resulting Numbers: [40, 19] Generated Node #0,2,2: 24:[40, 19] Operation: 59-40=19 Exploring Operation: 40/40=1, Resulting Numbers: [59, 1] Generated Node #0,2,3: 24:[59, 1] Operation: 40/40=1 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 24:[40, 19], Operations: ['96-56=40', '59-40=19'] Exploring Operation: 40*19=760, Resulting Numbers: [760] 760,24 unequal: No Solution Exploring Operation: 40+19=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 24:[40, 19], Operations: ['96-56=40', '59-40=19'] Exploring Operation: 40+19=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,24 unequal: No Solution Exploring Operation: 40*19=760, Resulting Numbers: [760] 760,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 24:[59, 1], Operations: ['96-56=40', '40/40=1'] Exploring Operation: 59/1=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 59*1=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 59+1=60, Resulting Numbers: [60] 60,24 unequal: No Solution Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 24:[59, 0], Operations: ['96-56=40', '40-40=0'] Exploring Operation: 59*0=0, Resulting Numbers: [0] 0,24 unequal: No Solution Exploring Operation: 59+0=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 59-0=59, Resulting Numbers: [59] 59,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[40, 96, 3], Operations: ['59-56=3'] Exploring Operation: 40-3=37, Resulting Numbers: [96, 37] Generated Node #0,0,0: 24:[96, 37] Operation: 40-3=37 Exploring Operation: 96/3=32, Resulting Numbers: [40, 32] Generated Node #0,0,1: 24:[40, 32] Operation: 96/3=32 Exploring Operation: 96-3=93, Resulting Numbers: [40, 93] Generated Node #0,0,2: 24:[40, 93] Operation: 96-3=93 Exploring Operation: 96-40=56, Resulting Numbers: [3, 56] Generated Node #0,0,3: 24:[3, 56] Operation: 96-40=56 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 24:[40, 32], Operations: ['59-56=3', '96/3=32'] Exploring Operation: 40+32=72, Resulting Numbers: [72] 72,24 unequal: No Solution Exploring Operation: 40-32=8, Resulting Numbers: [8] 8,24 unequal: No Solution Exploring Operation: 40*32=1280, Resulting Numbers: [1280] 1280,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 24:[3, 56], Operations: ['59-56=3', '96-40=56'] Exploring Operation: 3+56=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,24 unequal: No Solution Exploring Operation: 3*56=168, Resulting Numbers: [168] 168,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[96, 37], Operations: ['59-56=3', '40-3=37'] Exploring Operation: 96-37=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 96*37=3552, Resulting Numbers: [3552] 3552,24 unequal: No Solution Exploring Operation: 96+37=133, Resulting Numbers: [133] 133,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 24:[40, 93], Operations: ['59-56=3', '96-3=93'] Exploring Operation: 40*93=3720, Resulting Numbers: [3720] 3720,24 unequal: No Solution Exploring Operation: 93-40=53, Resulting Numbers: [53] 53,24 unequal: No Solution Exploring Operation: 40+93=133, Resulting Numbers: [133] 133,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 24:[56, 59, 56], Operations: ['96-40=56'] Exploring Operation: 56-56=0, Resulting Numbers: [59, 0] Generated Node #0,3,0: 24:[59, 0] Operation: 56-56=0 Exploring Operation: 56/56=1, Resulting Numbers: [59, 1] Generated Node #0,3,1: 24:[59, 1] Operation: 56/56=1 Exploring Operation: 59-56=3, Resulting Numbers: [56, 3] Generated Node #0,3,2: 24:[56, 3] Operation: 59-56=3 Exploring Operation: 59-56=3, Resulting Numbers: [56, 3] Generated Node #0,3,3: 24:[56, 3] Operation: 59-56=3 Moving to Node #0,3,2 Current State: 24:[56, 3], Operations: ['96-40=56', '59-56=3'] Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,24 unequal: No Solution Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 56*3=168, Resulting Numbers: [168] 168,24 unequal: No Solution Moving to Node #0,3,3 Current State: 24:[56, 3], Operations: ['96-40=56', '59-56=3'] Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 56*3=168, Resulting Numbers: [168] 168,24 unequal: No Solution Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,24 unequal: No Solution Moving to Node #0,3,1 Current State: 24:[59, 1], Operations: ['96-40=56', '56/56=1'] Exploring Operation: 59/1=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 59*1=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 59+1=60, Resulting Numbers: [60] 60,24 unequal: No Solution Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,24 unequal: No Solution Moving to Node #0,3,0 Current State: 24:[59, 0], Operations: ['96-40=56', '56-56=0'] Exploring Operation: 59-0=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 59+0=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 59*0=0, Resulting Numbers: [0] 0,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 77, 12, 16, 80 ]
60
[ "77-12=65", "80/16=5", "65-5=60" ]
Current State: 60:[77, 12, 16, 80], Operations: [] Exploring Operation: 77-12=65, Resulting Numbers: [16, 80, 65] Generated Node #2: [16, 80, 65] from Operation: 77-12=65 Current State: 60:[16, 80, 65], Operations: ['77-12=65'] Exploring Operation: 80/16=5, Resulting Numbers: [65, 5] Generated Node #3: [65, 5] from Operation: 80/16=5 Current State: 60:[65, 5], Operations: ['77-12=65', '80/16=5'] Exploring Operation: 65-5=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[77, 12, 16, 80], Operations: [] Exploring Operation: 80-77=3, Resulting Numbers: [12, 16, 3] Generated Node #0,0: 60:[12, 16, 3] Operation: 80-77=3 Moving to Node #0,0 Current State: 60:[12, 16, 3], Operations: ['80-77=3'] Exploring Operation: 16-12=4, Resulting Numbers: [3, 4] Generated Node #0,0,0: 60:[3, 4] Operation: 16-12=4 Moving to Node #0,0,0 Current State: 60:[3, 4], Operations: ['80-77=3', '16-12=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,60 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 96, 58, 4, 2 ]
65
[ "58+4=62", "62/2=31", "96-31=65" ]
Current State: 65:[96, 58, 4, 2], Operations: [] Exploring Operation: 58+4=62, Resulting Numbers: [96, 2, 62] Generated Node #2: [96, 2, 62] from Operation: 58+4=62 Current State: 65:[96, 2, 62], Operations: ['58+4=62'] Exploring Operation: 62/2=31, Resulting Numbers: [96, 31] Generated Node #3: [96, 31] from Operation: 62/2=31 Current State: 65:[96, 31], Operations: ['58+4=62', '62/2=31'] Exploring Operation: 96-31=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[96, 58, 4, 2], Operations: [] Exploring Operation: 96/4=24, Resulting Numbers: [58, 2, 24] Generated Node #0,0: 65:[58, 2, 24] Operation: 96/4=24 Exploring Operation: 96/2=48, Resulting Numbers: [58, 4, 48] Generated Node #0,1: 65:[58, 4, 48] Operation: 96/2=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[58, 2, 24], Operations: ['96/4=24'] Exploring Operation: 24/2=12, Resulting Numbers: [58, 12] Generated Node #0,0,0: 65:[58, 12] Operation: 24/2=12 Exploring Operation: 58+2=60, Resulting Numbers: [24, 60] Generated Node #0,0,1: 65:[24, 60] Operation: 58+2=60 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[58, 12], Operations: ['96/4=24', '24/2=12'] Exploring Operation: 58+12=70, Resulting Numbers: [70] 70,65 unequal: No Solution Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,65 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:[24, 60], Operations: ['96/4=24', '58+2=60'] Exploring Operation: 60-24=36, Resulting Numbers: [36] 36,65 unequal: No Solution Exploring Operation: 24+60=84, Resulting Numbers: [84] 84,65 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:[58, 4, 48], Operations: ['96/2=48'] Exploring Operation: 48/4=12, Resulting Numbers: [58, 12] Generated Node #0,1,0: 65:[58, 12] Operation: 48/4=12 Exploring Operation: 58-48=10, Resulting Numbers: [4, 10] Generated Node #0,1,1: 65:[4, 10] Operation: 58-48=10 Moving to Node #0,1,1 Current State: 65:[4, 10], Operations: ['96/2=48', '58-48=10'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,65 unequal: No Solution Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[58, 12], Operations: ['96/2=48', '48/4=12'] Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,65 unequal: No Solution Exploring Operation: 58+12=70, Resulting Numbers: [70] 70,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 15, 2, 74, 72 ]
53
[ "15+74=89", "72/2=36", "89-36=53" ]
Current State: 53:[15, 2, 74, 72], Operations: [] Exploring Operation: 15+74=89, Resulting Numbers: [2, 72, 89] Generated Node #2: [2, 72, 89] from Operation: 15+74=89 Current State: 53:[2, 72, 89], Operations: ['15+74=89'] Exploring Operation: 72/2=36, Resulting Numbers: [89, 36] Generated Node #3: [89, 36] from Operation: 72/2=36 Current State: 53:[89, 36], Operations: ['15+74=89', '72/2=36'] Exploring Operation: 89-36=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[15, 2, 74, 72], Operations: [] Exploring Operation: 74-15=59, Resulting Numbers: [2, 72, 59] Generated Node #0,0: 53:[2, 72, 59] Operation: 74-15=59 Exploring Operation: 15+2=17, Resulting Numbers: [74, 72, 17] Generated Node #0,1: 53:[74, 72, 17] Operation: 15+2=17 Exploring Operation: 15*2=30, Resulting Numbers: [74, 72, 30] Generated Node #0,2: 53:[74, 72, 30] Operation: 15*2=30 Exploring Operation: 74/2=37, Resulting Numbers: [15, 72, 37] Generated Node #0,3: 53:[15, 72, 37] Operation: 74/2=37 Exploring Operation: 72-15=57, Resulting Numbers: [2, 74, 57] Generated Node #0,4: 53:[2, 74, 57] Operation: 72-15=57 Moving to Node #0,2 Current State: 53:[74, 72, 30], Operations: ['15*2=30'] Exploring Operation: 72-30=42, Resulting Numbers: [74, 42] Generated Node #0,2,0: 53:[74, 42] Operation: 72-30=42 Exploring Operation: 72+30=102, Resulting Numbers: [74, 102] Generated Node #0,2,1: 53:[74, 102] Operation: 72+30=102 Exploring Operation: 74-30=44, Resulting Numbers: [72, 44] Generated Node #0,2,2: 53:[72, 44] Operation: 74-30=44 Exploring Operation: 74-72=2, Resulting Numbers: [30, 2] Generated Node #0,2,3: 53:[30, 2] Operation: 74-72=2 Exploring Operation: 74+30=104, Resulting Numbers: [72, 104] Generated Node #0,2,4: 53:[72, 104] Operation: 74+30=104 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 53:[72, 44], Operations: ['15*2=30', '74-30=44'] Exploring Operation: 72-44=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 72*44=3168, Resulting Numbers: [3168] 3168,53 unequal: No Solution Exploring Operation: 72+44=116, Resulting Numbers: [116] 116,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 53:[74, 42], Operations: ['15*2=30', '72-30=42'] Exploring Operation: 74-42=32, Resulting Numbers: [32] 32,53 unequal: No Solution Exploring Operation: 74*42=3108, Resulting Numbers: [3108] 3108,53 unequal: No Solution Exploring Operation: 74+42=116, Resulting Numbers: [116] 116,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 53:[74, 102], Operations: ['15*2=30', '72+30=102'] Exploring Operation: 102-74=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 74+102=176, Resulting Numbers: [176] 176,53 unequal: No Solution Exploring Operation: 74*102=7548, Resulting Numbers: [7548] 7548,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 53:[72, 104], Operations: ['15*2=30', '74+30=104'] Exploring Operation: 104-72=32, Resulting Numbers: [32] 32,53 unequal: No Solution Exploring Operation: 72+104=176, Resulting Numbers: [176] 176,53 unequal: No Solution Exploring Operation: 72*104=7488, Resulting Numbers: [7488] 7488,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 53:[30, 2], Operations: ['15*2=30', '74-72=2'] Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,53 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,53 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 30*2=60, Resulting Numbers: [60] 60,53 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: 53:[15, 72, 37], Operations: ['74/2=37'] Exploring Operation: 37-15=22, Resulting Numbers: [72, 22] Generated Node #0,3,0: 53:[72, 22] Operation: 37-15=22 Exploring Operation: 72-37=35, Resulting Numbers: [15, 35] Generated Node #0,3,1: 53:[15, 35] Operation: 72-37=35 Exploring Operation: 72-15=57, Resulting Numbers: [37, 57] Generated Node #0,3,2: 53:[37, 57] Operation: 72-15=57 Exploring Operation: 15+37=52, Resulting Numbers: [72, 52] Generated Node #0,3,3: 53:[72, 52] Operation: 15+37=52 Exploring Operation: 15+72=87, Resulting Numbers: [37, 87] Generated Node #0,3,4: 53:[37, 87] Operation: 15+72=87 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 53:[37, 57], Operations: ['74/2=37', '72-15=57'] Exploring Operation: 37*57=2109, Resulting Numbers: [2109] 2109,53 unequal: No Solution Exploring Operation: 57-37=20, Resulting Numbers: [20] 20,53 unequal: No Solution Exploring Operation: 37+57=94, Resulting Numbers: [94] 94,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 53:[72, 52], Operations: ['74/2=37', '15+37=52'] Exploring Operation: 72*52=3744, Resulting Numbers: [3744] 3744,53 unequal: No Solution Exploring Operation: 72+52=124, Resulting Numbers: [124] 124,53 unequal: No Solution Exploring Operation: 72-52=20, Resulting Numbers: [20] 20,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 53:[72, 22], Operations: ['74/2=37', '37-15=22'] Exploring Operation: 72*22=1584, Resulting Numbers: [1584] 1584,53 unequal: No Solution Exploring Operation: 72-22=50, Resulting Numbers: [50] 50,53 unequal: No Solution Exploring Operation: 72+22=94, Resulting Numbers: [94] 94,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 53:[37, 87], Operations: ['74/2=37', '15+72=87'] Exploring Operation: 37+87=124, Resulting Numbers: [124] 124,53 unequal: No Solution Exploring Operation: 87-37=50, Resulting Numbers: [50] 50,53 unequal: No Solution Exploring Operation: 37*87=3219, Resulting Numbers: [3219] 3219,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 53:[15, 35], Operations: ['74/2=37', '72-37=35'] Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,53 unequal: No Solution Exploring Operation: 15*35=525, Resulting Numbers: [525] 525,53 unequal: No Solution Exploring Operation: 15+35=50, Resulting Numbers: [50] 50,53 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: 53:[2, 72, 59], Operations: ['74-15=59'] Exploring Operation: 72-2=70, Resulting Numbers: [59, 70] Generated Node #0,0,0: 53:[59, 70] Operation: 72-2=70 Exploring Operation: 59-2=57, Resulting Numbers: [72, 57] Generated Node #0,0,1: 53:[72, 57] Operation: 59-2=57 Exploring Operation: 72/2=36, Resulting Numbers: [59, 36] Generated Node #0,0,2: 53:[59, 36] Operation: 72/2=36 Exploring Operation: 2+59=61, Resulting Numbers: [72, 61] Generated Node #0,0,3: 53:[72, 61] Operation: 2+59=61 Exploring Operation: 2+72=74, Resulting Numbers: [59, 74] Generated Node #0,0,4: 53:[59, 74] Operation: 2+72=74 Moving to Node #0,1 Current State: 53:[74, 72, 17], Operations: ['15+2=17'] Exploring Operation: 74-17=57, Resulting Numbers: [72, 57] Generated Node #0,1,0: 53:[72, 57] Operation: 74-17=57 Exploring Operation: 74+17=91, Resulting Numbers: [72, 91] Generated Node #0,1,1: 53:[72, 91] Operation: 74+17=91 Exploring Operation: 72+17=89, Resulting Numbers: [74, 89] Generated Node #0,1,2: 53:[74, 89] Operation: 72+17=89 Exploring Operation: 74-72=2, Resulting Numbers: [17, 2] Generated Node #0,1,3: 53:[17, 2] Operation: 74-72=2 Exploring Operation: 72-17=55, Resulting Numbers: [74, 55] Generated Node #0,1,4: 53:[74, 55] Operation: 72-17=55 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 53:[72, 57], Operations: ['15+2=17', '74-17=57'] Exploring Operation: 72*57=4104, Resulting Numbers: [4104] 4104,53 unequal: No Solution Exploring Operation: 72-57=15, Resulting Numbers: [15] 15,53 unequal: No Solution Exploring Operation: 72+57=129, Resulting Numbers: [129] 129,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 53:[74, 55], Operations: ['15+2=17', '72-17=55'] Exploring Operation: 74+55=129, Resulting Numbers: [129] 129,53 unequal: No Solution Exploring Operation: 74-55=19, Resulting Numbers: [19] 19,53 unequal: No Solution Exploring Operation: 74*55=4070, Resulting Numbers: [4070] 4070,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 53:[72, 91], Operations: ['15+2=17', '74+17=91'] Exploring Operation: 72*91=6552, Resulting Numbers: [6552] 6552,53 unequal: No Solution Exploring Operation: 72+91=163, Resulting Numbers: [163] 163,53 unequal: No Solution Exploring Operation: 91-72=19, Resulting Numbers: [19] 19,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 53:[74, 89], Operations: ['15+2=17', '72+17=89'] Exploring Operation: 74*89=6586, Resulting Numbers: [6586] 6586,53 unequal: No Solution Exploring Operation: 89-74=15, Resulting Numbers: [15] 15,53 unequal: No Solution Exploring Operation: 74+89=163, Resulting Numbers: [163] 163,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 53:[17, 2], Operations: ['15+2=17', '74-72=2'] Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,53 unequal: No Solution Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,53 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,53 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: 53:[2, 74, 57], Operations: ['72-15=57'] Exploring Operation: 74/2=37, Resulting Numbers: [57, 37] Generated Node #0,4,0: 53:[57, 37] Operation: 74/2=37 Exploring Operation: 74-2=72, Resulting Numbers: [57, 72] Generated Node #0,4,1: 53:[57, 72] Operation: 74-2=72 Exploring Operation: 57-2=55, Resulting Numbers: [74, 55] Generated Node #0,4,2: 53:[74, 55] Operation: 57-2=55 Exploring Operation: 2+57=59, Resulting Numbers: [74, 59] Generated Node #0,4,3: 53:[74, 59] Operation: 2+57=59 Exploring Operation: 2+74=76, Resulting Numbers: [57, 76] Generated Node #0,4,4: 53:[57, 76] Operation: 2+74=76 Moving to Node #0,4,0 Current State: 53:[57, 37], Operations: ['72-15=57', '74/2=37'] Exploring Operation: 57*37=2109, Resulting Numbers: [2109] 2109,53 unequal: No Solution Exploring Operation: 57-37=20, Resulting Numbers: [20] 20,53 unequal: No Solution Exploring Operation: 57+37=94, Resulting Numbers: [94] 94,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[59, 70], Operations: ['74-15=59', '72-2=70'] Exploring Operation: 59*70=4130, Resulting Numbers: [4130] 4130,53 unequal: No Solution Exploring Operation: 59+70=129, Resulting Numbers: [129] 129,53 unequal: No Solution Exploring Operation: 70-59=11, Resulting Numbers: [11] 11,53 unequal: No Solution Moving to Node #0,4,1 Current State: 53:[57, 72], Operations: ['72-15=57', '74-2=72'] Exploring Operation: 72-57=15, Resulting Numbers: [15] 15,53 unequal: No Solution Exploring Operation: 57+72=129, Resulting Numbers: [129] 129,53 unequal: No Solution Exploring Operation: 57*72=4104, Resulting Numbers: [4104] 4104,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[59, 36], Operations: ['74-15=59', '72/2=36'] Exploring Operation: 59*36=2124, Resulting Numbers: [2124] 2124,53 unequal: No Solution Exploring Operation: 59+36=95, Resulting Numbers: [95] 95,53 unequal: No Solution Exploring Operation: 59-36=23, Resulting Numbers: [23] 23,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[72, 57], Operations: ['74-15=59', '59-2=57'] Exploring Operation: 72-57=15, Resulting Numbers: [15] 15,53 unequal: No Solution Exploring Operation: 72*57=4104, Resulting Numbers: [4104] 4104,53 unequal: No Solution Exploring Operation: 72+57=129, Resulting Numbers: [129] 129,53 unequal: No Solution Moving to Node #0,4,2 Current State: 53:[74, 55], Operations: ['72-15=57', '57-2=55'] Exploring Operation: 74+55=129, Resulting Numbers: [129] 129,53 unequal: No Solution Exploring Operation: 74*55=4070, Resulting Numbers: [4070] 4070,53 unequal: No Solution Exploring Operation: 74-55=19, Resulting Numbers: [19] 19,53 unequal: No Solution Moving to Node #0,4,4 Current State: 53:[57, 76], Operations: ['72-15=57', '2+74=76'] Exploring Operation: 76-57=19, Resulting Numbers: [19] 19,53 unequal: No Solution Exploring Operation: 57*76=4332, Resulting Numbers: [4332] 4332,53 unequal: No Solution Exploring Operation: 57+76=133, Resulting Numbers: [133] 133,53 unequal: No Solution Moving to Node #0,4,3 Current State: 53:[74, 59], Operations: ['72-15=57', '2+57=59'] Exploring Operation: 74-59=15, Resulting Numbers: [15] 15,53 unequal: No Solution Exploring Operation: 74+59=133, Resulting Numbers: [133] 133,53 unequal: No Solution Exploring Operation: 74*59=4366, Resulting Numbers: [4366] 4366,53 unequal: No Solution Moving to Node #0,0,4 Current State: 53:[59, 74], Operations: ['74-15=59', '2+72=74'] Exploring Operation: 59*74=4366, Resulting Numbers: [4366] 4366,53 unequal: No Solution Exploring Operation: 74-59=15, Resulting Numbers: [15] 15,53 unequal: No Solution Exploring Operation: 59+74=133, Resulting Numbers: [133] 133,53 unequal: No Solution Moving to Node #0,0,3 Current State: 53:[72, 61], Operations: ['74-15=59', '2+59=61'] Exploring Operation: 72*61=4392, Resulting Numbers: [4392] 4392,53 unequal: No Solution Exploring Operation: 72+61=133, Resulting Numbers: [133] 133,53 unequal: No Solution Exploring Operation: 72-61=11, Resulting Numbers: [11] 11,53 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 48, 40, 91, 4 ]
59
[ "48-40=8", "4*8=32", "91-32=59" ]
Current State: 59:[48, 40, 91, 4], Operations: [] Exploring Operation: 48-40=8, Resulting Numbers: [91, 4, 8] Generated Node #2: [91, 4, 8] from Operation: 48-40=8 Current State: 59:[91, 4, 8], Operations: ['48-40=8'] Exploring Operation: 4*8=32, Resulting Numbers: [91, 32] Generated Node #3: [91, 32] from Operation: 4*8=32 Current State: 59:[91, 32], Operations: ['48-40=8', '4*8=32'] Exploring Operation: 91-32=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[48, 40, 91, 4], Operations: [] Exploring Operation: 91-4=87, Resulting Numbers: [48, 40, 87] Generated Node #0,0: 59:[48, 40, 87] Operation: 91-4=87 Exploring Operation: 40+4=44, Resulting Numbers: [48, 91, 44] Generated Node #0,1: 59:[48, 91, 44] Operation: 40+4=44 Exploring Operation: 48+4=52, Resulting Numbers: [40, 91, 52] Generated Node #0,2: 59:[40, 91, 52] Operation: 48+4=52 Moving to Node #0,0 Current State: 59:[48, 40, 87], Operations: ['91-4=87'] Exploring Operation: 48+40=88, Resulting Numbers: [87, 88] Generated Node #0,0,0: 59:[87, 88] Operation: 48+40=88 Exploring Operation: 87-40=47, Resulting Numbers: [48, 47] Generated Node #0,0,1: 59:[48, 47] Operation: 87-40=47 Exploring Operation: 87-48=39, Resulting Numbers: [40, 39] Generated Node #0,0,2: 59:[40, 39] Operation: 87-48=39 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 59:[48, 47], Operations: ['91-4=87', '87-40=47'] Exploring Operation: 48-47=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 48*47=2256, Resulting Numbers: [2256] 2256,59 unequal: No Solution Exploring Operation: 48+47=95, Resulting Numbers: [95] 95,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 59:[40, 39], Operations: ['91-4=87', '87-48=39'] Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 40+39=79, Resulting Numbers: [79] 79,59 unequal: No Solution Exploring Operation: 40*39=1560, Resulting Numbers: [1560] 1560,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[87, 88], Operations: ['91-4=87', '48+40=88'] Exploring Operation: 87+88=175, Resulting Numbers: [175] 175,59 unequal: No Solution Exploring Operation: 88-87=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 87*88=7656, Resulting Numbers: [7656] 7656,59 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: 59:[48, 91, 44], Operations: ['40+4=44'] Exploring Operation: 91-44=47, Resulting Numbers: [48, 47] Generated Node #0,1,0: 59:[48, 47] Operation: 91-44=47 Exploring Operation: 91-48=43, Resulting Numbers: [44, 43] Generated Node #0,1,1: 59:[44, 43] Operation: 91-48=43 Exploring Operation: 48+44=92, Resulting Numbers: [91, 92] Generated Node #0,1,2: 59:[91, 92] Operation: 48+44=92 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 59:[48, 47], Operations: ['40+4=44', '91-44=47'] Exploring Operation: 48-47=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 48+47=95, Resulting Numbers: [95] 95,59 unequal: No Solution Exploring Operation: 48*47=2256, Resulting Numbers: [2256] 2256,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 59:[44, 43], Operations: ['40+4=44', '91-48=43'] Exploring Operation: 44-43=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 44+43=87, Resulting Numbers: [87] 87,59 unequal: No Solution Exploring Operation: 44*43=1892, Resulting Numbers: [1892] 1892,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 59:[91, 92], Operations: ['40+4=44', '48+44=92'] Exploring Operation: 92-91=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 91+92=183, Resulting Numbers: [183] 183,59 unequal: No Solution Exploring Operation: 91*92=8372, Resulting Numbers: [8372] 8372,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 59:[40, 91, 52], Operations: ['48+4=52'] Exploring Operation: 40+52=92, Resulting Numbers: [91, 92] Generated Node #0,2,0: 59:[91, 92] Operation: 40+52=92 Exploring Operation: 91-52=39, Resulting Numbers: [40, 39] Generated Node #0,2,1: 59:[40, 39] Operation: 91-52=39 Exploring Operation: 91-40=51, Resulting Numbers: [52, 51] Generated Node #0,2,2: 59:[52, 51] Operation: 91-40=51 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 59:[52, 51], Operations: ['48+4=52', '91-40=51'] Exploring Operation: 52+51=103, Resulting Numbers: [103] 103,59 unequal: No Solution Exploring Operation: 52-51=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 52*51=2652, Resulting Numbers: [2652] 2652,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 59:[40, 39], Operations: ['48+4=52', '91-52=39'] Exploring Operation: 40*39=1560, Resulting Numbers: [1560] 1560,59 unequal: No Solution Exploring Operation: 40+39=79, Resulting Numbers: [79] 79,59 unequal: No Solution Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 59:[91, 92], Operations: ['48+4=52', '40+52=92'] Exploring Operation: 91+92=183, Resulting Numbers: [183] 183,59 unequal: No Solution Exploring Operation: 91*92=8372, Resulting Numbers: [8372] 8372,59 unequal: No Solution Exploring Operation: 92-91=1, Resulting Numbers: [1] 1,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 46, 14, 5, 77 ]
12
[ "46+14=60", "77-5=72", "72-60=12" ]
Current State: 12:[46, 14, 5, 77], Operations: [] Exploring Operation: 46+14=60, Resulting Numbers: [5, 77, 60] Generated Node #2: [5, 77, 60] from Operation: 46+14=60 Current State: 12:[5, 77, 60], Operations: ['46+14=60'] Exploring Operation: 77-5=72, Resulting Numbers: [60, 72] Generated Node #3: [60, 72] from Operation: 77-5=72 Current State: 12:[60, 72], Operations: ['46+14=60', '77-5=72'] Exploring Operation: 72-60=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[46, 14, 5, 77], Operations: [] Exploring Operation: 46-14=32, Resulting Numbers: [5, 77, 32] Generated Node #0,0: 12:[5, 77, 32] Operation: 46-14=32 Exploring Operation: 77-46=31, Resulting Numbers: [14, 5, 31] Generated Node #0,1: 12:[14, 5, 31] Operation: 77-46=31 Exploring Operation: 77-14=63, Resulting Numbers: [46, 5, 63] Generated Node #0,2: 12:[46, 5, 63] Operation: 77-14=63 Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[14, 5, 31], Operations: ['77-46=31'] Exploring Operation: 31-14=17, Resulting Numbers: [5, 17] Generated Node #0,1,0: 12:[5, 17] Operation: 31-14=17 Exploring Operation: 31-5=26, Resulting Numbers: [14, 26] Generated Node #0,1,1: 12:[14, 26] Operation: 31-5=26 Exploring Operation: 14-5=9, Resulting Numbers: [31, 9] Generated Node #0,1,2: 12:[31, 9] Operation: 14-5=9 Moving to Node #0,1,0 Current State: 12:[5, 17], Operations: ['77-46=31', '31-14=17'] Exploring Operation: 5+17=22, Resulting Numbers: [22] 22,12 unequal: No Solution Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[46, 14, 5, 77], Operations: [] Exploring Operation: 77-46=31, Resulting Numbers: [14, 5, 31] Generated Node #0,1: 12:[14, 5, 31] Operation: 77-46=31 Moving to Node #0,1 Current State: 12:[14, 5, 31], Operations: ['77-46=31'] Exploring Operation: 31-14=17, Resulting Numbers: [5, 17] Generated Node #0,1,0: 12:[5, 17] Operation: 31-14=17 Moving to Node #0,1,0 Current State: 12:[5, 17], Operations: ['77-46=31', '31-14=17'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 1, 80, 60, 29 ]
49
[ "1*80=80", "60-29=31", "80-31=49" ]
Current State: 49:[1, 80, 60, 29], Operations: [] Exploring Operation: 1*80=80, Resulting Numbers: [60, 29, 80] Generated Node #2: [60, 29, 80] from Operation: 1*80=80 Current State: 49:[60, 29, 80], Operations: ['1*80=80'] Exploring Operation: 60-29=31, Resulting Numbers: [80, 31] Generated Node #3: [80, 31] from Operation: 60-29=31 Current State: 49:[80, 31], Operations: ['1*80=80', '60-29=31'] Exploring Operation: 80-31=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[1, 80, 60, 29], Operations: [] Exploring Operation: 80-29=51, Resulting Numbers: [1, 60, 51] Generated Node #0,0: 49:[1, 60, 51] Operation: 80-29=51 Exploring Operation: 80-60=20, Resulting Numbers: [1, 29, 20] Generated Node #0,1: 49:[1, 29, 20] Operation: 80-60=20 Exploring Operation: 60-29=31, Resulting Numbers: [1, 80, 31] Generated Node #0,2: 49:[1, 80, 31] Operation: 60-29=31 Moving to Node #0,0 Current State: 49:[1, 60, 51], Operations: ['80-29=51'] Exploring Operation: 60-1=59, Resulting Numbers: [51, 59] Generated Node #0,0,0: 49:[51, 59] Operation: 60-1=59 Exploring Operation: 51-1=50, Resulting Numbers: [60, 50] Generated Node #0,0,1: 49:[60, 50] Operation: 51-1=50 Exploring Operation: 60-51=9, Resulting Numbers: [1, 9] Generated Node #0,0,2: 49:[1, 9] Operation: 60-51=9 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 49:[1, 9], Operations: ['80-29=51', '60-51=9'] Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[51, 59], Operations: ['80-29=51', '60-1=59'] Exploring Operation: 51+59=110, Resulting Numbers: [110] 110,49 unequal: No Solution Exploring Operation: 59-51=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 51*59=3009, Resulting Numbers: [3009] 3009,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[60, 50], Operations: ['80-29=51', '51-1=50'] Exploring Operation: 60*50=3000, Resulting Numbers: [3000] 3000,49 unequal: No Solution Exploring Operation: 60+50=110, Resulting Numbers: [110] 110,49 unequal: No Solution Exploring Operation: 60-50=10, Resulting Numbers: [10] 10,49 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: 49:[1, 29, 20], Operations: ['80-60=20'] Exploring Operation: 1+29=30, Resulting Numbers: [20, 30] Generated Node #0,1,0: 49:[20, 30] Operation: 1+29=30 Exploring Operation: 29-20=9, Resulting Numbers: [1, 9] Generated Node #0,1,1: 49:[1, 9] Operation: 29-20=9 Exploring Operation: 29+20=49, Resulting Numbers: [1, 49] Generated Node #0,1,2: 49:[1, 49] Operation: 29+20=49 Moving to Node #0,2 Current State: 49:[1, 80, 31], Operations: ['60-29=31'] Exploring Operation: 1+31=32, Resulting Numbers: [80, 32] Generated Node #0,2,0: 49:[80, 32] Operation: 1+31=32 Exploring Operation: 80-31=49, Resulting Numbers: [1, 49] Generated Node #0,2,1: 49:[1, 49] Operation: 80-31=49 Exploring Operation: 80-1=79, Resulting Numbers: [31, 79] Generated Node #0,2,2: 49:[31, 79] Operation: 80-1=79 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 49:[1, 49], Operations: ['60-29=31', '80-31=49'] Exploring Operation: 1+49=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 1*49=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[1, 80, 60, 29], Operations: [] Exploring Operation: 60-29=31, Resulting Numbers: [1, 80, 31] Generated Node #0,2: 49:[1, 80, 31] Operation: 60-29=31 Moving to Node #0,2 Current State: 49:[1, 80, 31], Operations: ['60-29=31'] Exploring Operation: 80-31=49, Resulting Numbers: [1, 49] Generated Node #0,2,1: 49:[1, 49] Operation: 80-31=49 Moving to Node #0,2,1 Current State: 49:[1, 49], Operations: ['60-29=31', '80-31=49'] Exploring Operation: 1*49=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
mult_heuristic
[ 56, 76, 27, 48 ]
41
[ "76-56=20", "48-27=21", "20+21=41" ]
Current State: 41:[56, 76, 27, 48], Operations: [] Exploring Operation: 76-56=20, Resulting Numbers: [27, 48, 20] Generated Node #2: [27, 48, 20] from Operation: 76-56=20 Current State: 41:[27, 48, 20], Operations: ['76-56=20'] Exploring Operation: 48-27=21, Resulting Numbers: [20, 21] Generated Node #3: [20, 21] from Operation: 48-27=21 Current State: 41:[20, 21], Operations: ['76-56=20', '48-27=21'] Exploring Operation: 20+21=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[56, 76, 27, 48], Operations: [] Exploring Operation: 56-27=29, Resulting Numbers: [76, 48, 29] Generated Node #0,0: 41:[76, 48, 29] Operation: 56-27=29 Exploring Operation: 76-56=20, Resulting Numbers: [27, 48, 20] Generated Node #0,1: 41:[27, 48, 20] Operation: 76-56=20 Exploring Operation: 76-27=49, Resulting Numbers: [56, 48, 49] Generated Node #0,2: 41:[56, 48, 49] Operation: 76-27=49 Exploring Operation: 76-48=28, Resulting Numbers: [56, 27, 28] Generated Node #0,3: 41:[56, 27, 28] Operation: 76-48=28 Start Sub Search at level 1: Moving to Node #0,2 Current State: 41:[56, 48, 49], Operations: ['76-27=49'] Exploring Operation: 56+48=104, Resulting Numbers: [49, 104] Generated Node #0,2,0: 41:[49, 104] Operation: 56+48=104 Exploring Operation: 49-48=1, Resulting Numbers: [56, 1] Generated Node #0,2,1: 41:[56, 1] Operation: 49-48=1 Exploring Operation: 56-48=8, Resulting Numbers: [49, 8] Generated Node #0,2,2: 41:[49, 8] Operation: 56-48=8 Exploring Operation: 56-49=7, Resulting Numbers: [48, 7] Generated Node #0,2,3: 41:[48, 7] Operation: 56-49=7 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 41:[49, 8], Operations: ['76-27=49', '56-48=8'] Exploring Operation: 49*8=392, Resulting Numbers: [392] 392,41 unequal: No Solution Exploring Operation: 49+8=57, Resulting Numbers: [57] 57,41 unequal: No Solution Exploring Operation: 49-8=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[56, 76, 27, 48], Operations: [] Exploring Operation: 76-27=49, Resulting Numbers: [56, 48, 49] Generated Node #0,2: 41:[56, 48, 49] Operation: 76-27=49 Moving to Node #0,2 Current State: 41:[56, 48, 49], Operations: ['76-27=49'] Exploring Operation: 56-48=8, Resulting Numbers: [49, 8] Generated Node #0,2,2: 41:[49, 8] Operation: 56-48=8 Moving to Node #0,2,2 Current State: 41:[49, 8], Operations: ['76-27=49', '56-48=8'] Exploring Operation: 49-8=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 90, 20, 35, 50 ]
71
[ "90*20=1800", "1800/50=36", "35+36=71" ]
Current State: 71:[90, 20, 35, 50], Operations: [] Exploring Operation: 90*20=1800, Resulting Numbers: [35, 50, 1800] Generated Node #2: [35, 50, 1800] from Operation: 90*20=1800 Current State: 71:[35, 50, 1800], Operations: ['90*20=1800'] Exploring Operation: 1800/50=36, Resulting Numbers: [35, 36] Generated Node #3: [35, 36] from Operation: 1800/50=36 Current State: 71:[35, 36], Operations: ['90*20=1800', '1800/50=36'] Exploring Operation: 35+36=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[90, 20, 35, 50], Operations: [] Exploring Operation: 20+50=70, Resulting Numbers: [90, 35, 70] Generated Node #0,0: 71:[90, 35, 70] Operation: 20+50=70 Exploring Operation: 20+35=55, Resulting Numbers: [90, 50, 55] Generated Node #0,1: 71:[90, 50, 55] Operation: 20+35=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[90, 35, 70], Operations: ['20+50=70'] Exploring Operation: 35+70=105, Resulting Numbers: [90, 105] Generated Node #0,0,0: 71:[90, 105] Operation: 35+70=105 Exploring Operation: 90-35=55, Resulting Numbers: [70, 55] Generated Node #0,0,1: 71:[70, 55] Operation: 90-35=55 Moving to Node #0,0,1 Current State: 71:[70, 55], Operations: ['20+50=70', '90-35=55'] Exploring Operation: 70-55=15, Resulting Numbers: [15] 15,71 unequal: No Solution Exploring Operation: 70+55=125, Resulting Numbers: [125] 125,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[90, 105], Operations: ['20+50=70', '35+70=105'] Exploring Operation: 90+105=195, Resulting Numbers: [195] 195,71 unequal: No Solution Exploring Operation: 105-90=15, Resulting Numbers: [15] 15,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[90, 50, 55], Operations: ['20+35=55'] Exploring Operation: 90-50=40, Resulting Numbers: [55, 40] Generated Node #0,1,0: 71:[55, 40] Operation: 90-50=40 Exploring Operation: 50+55=105, Resulting Numbers: [90, 105] Generated Node #0,1,1: 71:[90, 105] Operation: 50+55=105 Moving to Node #0,1,0 Current State: 71:[55, 40], Operations: ['20+35=55', '90-50=40'] Exploring Operation: 55+40=95, Resulting Numbers: [95] 95,71 unequal: No Solution Exploring Operation: 55-40=15, Resulting Numbers: [15] 15,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[90, 105], Operations: ['20+35=55', '50+55=105'] Exploring Operation: 105-90=15, Resulting Numbers: [15] 15,71 unequal: No Solution Exploring Operation: 90+105=195, Resulting Numbers: [195] 195,71 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
[ 53, 59, 4, 52 ]
50
[ "59-53=6", "4+52=56", "56-6=50" ]
Current State: 50:[53, 59, 4, 52], Operations: [] Exploring Operation: 59-53=6, Resulting Numbers: [4, 52, 6] Generated Node #2: [4, 52, 6] from Operation: 59-53=6 Current State: 50:[4, 52, 6], Operations: ['59-53=6'] Exploring Operation: 4+52=56, Resulting Numbers: [6, 56] Generated Node #3: [6, 56] from Operation: 4+52=56 Current State: 50:[6, 56], Operations: ['59-53=6', '4+52=56'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[53, 59, 4, 52], Operations: [] Exploring Operation: 59-52=7, Resulting Numbers: [53, 4, 7] Generated Node #0,0: 50:[53, 4, 7] Operation: 59-52=7 Exploring Operation: 59-4=55, Resulting Numbers: [53, 52, 55] Generated Node #0,1: 50:[53, 52, 55] Operation: 59-4=55 Exploring Operation: 59-53=6, Resulting Numbers: [4, 52, 6] Generated Node #0,2: 50:[4, 52, 6] Operation: 59-53=6 Start Sub Search at level 1: Moving to Node #0,2 Current State: 50:[4, 52, 6], Operations: ['59-53=6'] Exploring Operation: 4+6=10, Resulting Numbers: [52, 10] Generated Node #0,2,0: 50:[52, 10] Operation: 4+6=10 Exploring Operation: 52-4=48, Resulting Numbers: [6, 48] Generated Node #0,2,1: 50:[6, 48] Operation: 52-4=48 Exploring Operation: 6-4=2, Resulting Numbers: [52, 2] Generated Node #0,2,2: 50:[52, 2] Operation: 6-4=2 Moving to Node #0,2,0 Current State: 50:[52, 10], Operations: ['59-53=6', '4+6=10'] Exploring Operation: 52+10=62, Resulting Numbers: [62] 62,50 unequal: No Solution Exploring Operation: 52*10=520, Resulting Numbers: [520] 520,50 unequal: No Solution Exploring Operation: 52-10=42, Resulting Numbers: [42] 42,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[52, 2], Operations: ['59-53=6', '6-4=2'] Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[53, 59, 4, 52], Operations: [] Exploring Operation: 59-53=6, Resulting Numbers: [4, 52, 6] Generated Node #0,2: 50:[4, 52, 6] Operation: 59-53=6 Moving to Node #0,2 Current State: 50:[4, 52, 6], Operations: ['59-53=6'] Exploring Operation: 6-4=2, Resulting Numbers: [52, 2] Generated Node #0,2,2: 50:[52, 2] Operation: 6-4=2 Moving to Node #0,2,2 Current State: 50:[52, 2], Operations: ['59-53=6', '6-4=2'] Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 51, 49, 35, 27 ]
10
[ "51-49=2", "35-27=8", "2+8=10" ]
Current State: 10:[51, 49, 35, 27], Operations: [] Exploring Operation: 51-49=2, Resulting Numbers: [35, 27, 2] Generated Node #2: [35, 27, 2] from Operation: 51-49=2 Current State: 10:[35, 27, 2], Operations: ['51-49=2'] Exploring Operation: 35-27=8, Resulting Numbers: [2, 8] Generated Node #3: [2, 8] from Operation: 35-27=8 Current State: 10:[2, 8], Operations: ['51-49=2', '35-27=8'] Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[51, 49, 35, 27], Operations: [] Exploring Operation: 49-35=14, Resulting Numbers: [51, 27, 14] Generated Node #0,0: 10:[51, 27, 14] Operation: 49-35=14 Exploring Operation: 51-49=2, Resulting Numbers: [35, 27, 2] Generated Node #0,1: 10:[35, 27, 2] Operation: 51-49=2 Exploring Operation: 51-35=16, Resulting Numbers: [49, 27, 16] Generated Node #0,2: 10:[49, 27, 16] Operation: 51-35=16 Moving to Node #0,1 Current State: 10:[35, 27, 2], Operations: ['51-49=2'] Exploring Operation: 35-27=8, Resulting Numbers: [2, 8] Generated Node #0,1,0: 10:[2, 8] Operation: 35-27=8 Exploring Operation: 35-2=33, Resulting Numbers: [27, 33] Generated Node #0,1,1: 10:[27, 33] Operation: 35-2=33 Exploring Operation: 27-2=25, Resulting Numbers: [35, 25] Generated Node #0,1,2: 10:[35, 25] Operation: 27-2=25 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 10:[2, 8], Operations: ['51-49=2', '35-27=8'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[51, 49, 35, 27], Operations: [] Exploring Operation: 51-49=2, Resulting Numbers: [35, 27, 2] Generated Node #0,1: 10:[35, 27, 2] Operation: 51-49=2 Moving to Node #0,1 Current State: 10:[35, 27, 2], Operations: ['51-49=2'] Exploring Operation: 35-27=8, Resulting Numbers: [2, 8] Generated Node #0,1,0: 10:[2, 8] Operation: 35-27=8 Moving to Node #0,1,0 Current State: 10:[2, 8], Operations: ['51-49=2', '35-27=8'] Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 45, 91, 71, 95 ]
22
[ "91-45=46", "95-71=24", "46-24=22" ]
Current State: 22:[45, 91, 71, 95], Operations: [] Exploring Operation: 91-45=46, Resulting Numbers: [71, 95, 46] Generated Node #2: [71, 95, 46] from Operation: 91-45=46 Current State: 22:[71, 95, 46], Operations: ['91-45=46'] Exploring Operation: 95-71=24, Resulting Numbers: [46, 24] Generated Node #3: [46, 24] from Operation: 95-71=24 Current State: 22:[46, 24], Operations: ['91-45=46', '95-71=24'] Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[45, 91, 71, 95], Operations: [] Exploring Operation: 95-91=4, Resulting Numbers: [45, 71, 4] Generated Node #0,0: 22:[45, 71, 4] Operation: 95-91=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[45, 71, 4], Operations: ['95-91=4'] Exploring Operation: 71-45=26, Resulting Numbers: [4, 26] Generated Node #0,0,0: 22:[4, 26] Operation: 71-45=26 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 22:[4, 26], Operations: ['95-91=4', '71-45=26'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[45, 91, 71, 95], Operations: [] Exploring Operation: 95-91=4, Resulting Numbers: [45, 71, 4] Generated Node #0,0: 22:[45, 71, 4] Operation: 95-91=4 Moving to Node #0,0 Current State: 22:[45, 71, 4], Operations: ['95-91=4'] Exploring Operation: 71-45=26, Resulting Numbers: [4, 26] Generated Node #0,0,0: 22:[4, 26] Operation: 71-45=26 Moving to Node #0,0,0 Current State: 22:[4, 26], Operations: ['95-91=4', '71-45=26'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 80, 94, 73, 13 ]
19
[ "80+94=174", "73+174=247", "247/13=19" ]
Current State: 19:[80, 94, 73, 13], Operations: [] Exploring Operation: 80+94=174, Resulting Numbers: [73, 13, 174] Generated Node #2: [73, 13, 174] from Operation: 80+94=174 Current State: 19:[73, 13, 174], Operations: ['80+94=174'] Exploring Operation: 73+174=247, Resulting Numbers: [13, 247] Generated Node #3: [13, 247] from Operation: 73+174=247 Current State: 19:[13, 247], Operations: ['80+94=174', '73+174=247'] Exploring Operation: 247/13=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[80, 94, 73, 13], Operations: [] Exploring Operation: 94-73=21, Resulting Numbers: [80, 13, 21] Generated Node #0,0: 19:[80, 13, 21] Operation: 94-73=21 Exploring Operation: 94-80=14, Resulting Numbers: [73, 13, 14] Generated Node #0,1: 19:[73, 13, 14] Operation: 94-80=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[73, 13, 14], Operations: ['94-80=14'] Exploring Operation: 73-13=60, Resulting Numbers: [14, 60] Generated Node #0,1,0: 19:[14, 60] Operation: 73-13=60 Exploring Operation: 73-14=59, Resulting Numbers: [13, 59] Generated Node #0,1,1: 19:[13, 59] Operation: 73-14=59 Moving to Node #0,1,0 Current State: 19:[14, 60], Operations: ['94-80=14', '73-13=60'] Exploring Operation: 14+60=74, Resulting Numbers: [74] 74,19 unequal: No Solution Exploring Operation: 60-14=46, Resulting Numbers: [46] 46,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[13, 59], Operations: ['94-80=14', '73-14=59'] Exploring Operation: 59-13=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 13+59=72, Resulting Numbers: [72] 72,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[80, 13, 21], Operations: ['94-73=21'] Exploring Operation: 80-21=59, Resulting Numbers: [13, 59] Generated Node #0,0,0: 19:[13, 59] Operation: 80-21=59 Exploring Operation: 80-13=67, Resulting Numbers: [21, 67] Generated Node #0,0,1: 19:[21, 67] Operation: 80-13=67 Moving to Node #0,0,0 Current State: 19:[13, 59], Operations: ['94-73=21', '80-21=59'] Exploring Operation: 59-13=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 13+59=72, Resulting Numbers: [72] 72,19 unequal: No Solution Moving to Node #0,0,1 Current State: 19:[21, 67], Operations: ['94-73=21', '80-13=67'] Exploring Operation: 67-21=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 21+67=88, Resulting Numbers: [88] 88,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 16, 71, 68, 60 ]
47
[ "71-16=55", "68-60=8", "55-8=47" ]
Current State: 47:[16, 71, 68, 60], Operations: [] Exploring Operation: 71-16=55, Resulting Numbers: [68, 60, 55] Generated Node #2: [68, 60, 55] from Operation: 71-16=55 Current State: 47:[68, 60, 55], Operations: ['71-16=55'] Exploring Operation: 68-60=8, Resulting Numbers: [55, 8] Generated Node #3: [55, 8] from Operation: 68-60=8 Current State: 47:[55, 8], Operations: ['71-16=55', '68-60=8'] Exploring Operation: 55-8=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[16, 71, 68, 60], Operations: [] Exploring Operation: 16+68=84, Resulting Numbers: [71, 60, 84] Generated Node #0,0: 47:[71, 60, 84] Operation: 16+68=84 Exploring Operation: 68-16=52, Resulting Numbers: [71, 60, 52] Generated Node #0,1: 47:[71, 60, 52] Operation: 68-16=52 Exploring Operation: 16+71=87, Resulting Numbers: [68, 60, 87] Generated Node #0,2: 47:[68, 60, 87] Operation: 16+71=87 Exploring Operation: 60-16=44, Resulting Numbers: [71, 68, 44] Generated Node #0,3: 47:[71, 68, 44] Operation: 60-16=44 Exploring Operation: 71-16=55, Resulting Numbers: [68, 60, 55] Generated Node #0,4: 47:[68, 60, 55] Operation: 71-16=55 Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[71, 60, 52], Operations: ['68-16=52'] Exploring Operation: 71-60=11, Resulting Numbers: [52, 11] Generated Node #0,1,0: 47:[52, 11] Operation: 71-60=11 Exploring Operation: 71-52=19, Resulting Numbers: [60, 19] Generated Node #0,1,1: 47:[60, 19] Operation: 71-52=19 Exploring Operation: 71+52=123, Resulting Numbers: [60, 123] Generated Node #0,1,2: 47:[60, 123] Operation: 71+52=123 Exploring Operation: 71+60=131, Resulting Numbers: [52, 131] Generated Node #0,1,3: 47:[52, 131] Operation: 71+60=131 Exploring Operation: 60-52=8, Resulting Numbers: [71, 8] Generated Node #0,1,4: 47:[71, 8] Operation: 60-52=8 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 47:[52, 11], Operations: ['68-16=52', '71-60=11'] Exploring Operation: 52*11=572, Resulting Numbers: [572] 572,47 unequal: No Solution Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 52+11=63, Resulting Numbers: [63] 63,47 unequal: No Solution No 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: 47:[60, 19], Operations: ['68-16=52', '71-52=19'] Exploring Operation: 60+19=79, Resulting Numbers: [79] 79,47 unequal: No Solution Exploring Operation: 60-19=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 60*19=1140, Resulting Numbers: [1140] 1140,47 unequal: No Solution No 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: 47:[71, 8], Operations: ['68-16=52', '60-52=8'] Exploring Operation: 71+8=79, Resulting Numbers: [79] 79,47 unequal: No Solution Exploring Operation: 71-8=63, Resulting Numbers: [63] 63,47 unequal: No Solution Exploring Operation: 71*8=568, Resulting Numbers: [568] 568,47 unequal: No Solution No 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: 47:[60, 123], Operations: ['68-16=52', '71+52=123'] Exploring Operation: 60*123=7380, Resulting Numbers: [7380] 7380,47 unequal: No Solution Exploring Operation: 60+123=183, Resulting Numbers: [183] 183,47 unequal: No Solution Exploring Operation: 123-60=63, Resulting Numbers: [63] 63,47 unequal: No Solution No 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: 47:[52, 131], Operations: ['68-16=52', '71+60=131'] Exploring Operation: 52*131=6812, Resulting Numbers: [6812] 6812,47 unequal: No Solution Exploring Operation: 131-52=79, Resulting Numbers: [79] 79,47 unequal: No Solution Exploring Operation: 52+131=183, Resulting Numbers: [183] 183,47 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: 47:[68, 60, 55], Operations: ['71-16=55'] Exploring Operation: 68-55=13, Resulting Numbers: [60, 13] Generated Node #0,4,0: 47:[60, 13] Operation: 68-55=13 Exploring Operation: 60-55=5, Resulting Numbers: [68, 5] Generated Node #0,4,1: 47:[68, 5] Operation: 60-55=5 Exploring Operation: 68+60=128, Resulting Numbers: [55, 128] Generated Node #0,4,2: 47:[55, 128] Operation: 68+60=128 Exploring Operation: 68+55=123, Resulting Numbers: [60, 123] Generated Node #0,4,3: 47:[60, 123] Operation: 68+55=123 Exploring Operation: 68-60=8, Resulting Numbers: [55, 8] Generated Node #0,4,4: 47:[55, 8] Operation: 68-60=8 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 47:[60, 13], Operations: ['71-16=55', '68-55=13'] Exploring Operation: 60*13=780, Resulting Numbers: [780] 780,47 unequal: No Solution Exploring Operation: 60-13=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[16, 71, 68, 60], Operations: [] Exploring Operation: 71-16=55, Resulting Numbers: [68, 60, 55] Generated Node #0,4: 47:[68, 60, 55] Operation: 71-16=55 Moving to Node #0,4 Current State: 47:[68, 60, 55], Operations: ['71-16=55'] Exploring Operation: 68-55=13, Resulting Numbers: [60, 13] Generated Node #0,4,0: 47:[60, 13] Operation: 68-55=13 Moving to Node #0,4,0 Current State: 47:[60, 13], Operations: ['71-16=55', '68-55=13'] Exploring Operation: 60-13=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96875
hs_5
mult_heuristic
[ 47, 21, 34, 84 ]
63
[ "47+34=81", "84-81=3", "21*3=63" ]
Current State: 63:[47, 21, 34, 84], Operations: [] Exploring Operation: 47+34=81, Resulting Numbers: [21, 84, 81] Generated Node #2: [21, 84, 81] from Operation: 47+34=81 Current State: 63:[21, 84, 81], Operations: ['47+34=81'] Exploring Operation: 84-81=3, Resulting Numbers: [21, 3] Generated Node #3: [21, 3] from Operation: 84-81=3 Current State: 63:[21, 3], Operations: ['47+34=81', '84-81=3'] Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[47, 21, 34, 84], Operations: [] Exploring Operation: 84-34=50, Resulting Numbers: [47, 21, 50] Generated Node #0,0: 63:[47, 21, 50] Operation: 84-34=50 Exploring Operation: 47-34=13, Resulting Numbers: [21, 84, 13] Generated Node #0,1: 63:[21, 84, 13] Operation: 47-34=13 Exploring Operation: 84-47=37, Resulting Numbers: [21, 34, 37] Generated Node #0,2: 63:[21, 34, 37] Operation: 84-47=37 Exploring Operation: 84-21=63, Resulting Numbers: [47, 34, 63] Generated Node #0,3: 63:[47, 34, 63] Operation: 84-21=63 Moving to Node #0,1 Current State: 63:[21, 84, 13], Operations: ['47-34=13'] Exploring Operation: 84/21=4, Resulting Numbers: [13, 4] Generated Node #0,1,0: 63:[13, 4] Operation: 84/21=4 Exploring Operation: 84-13=71, Resulting Numbers: [21, 71] Generated Node #0,1,1: 63:[21, 71] Operation: 84-13=71 Exploring Operation: 21-13=8, Resulting Numbers: [84, 8] Generated Node #0,1,2: 63:[84, 8] Operation: 21-13=8 Exploring Operation: 84-21=63, Resulting Numbers: [13, 63] Generated Node #0,1,3: 63:[13, 63] Operation: 84-21=63 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 63:[13, 63], Operations: ['47-34=13', '84-21=63'] Exploring Operation: 63-13=50, Resulting Numbers: [50] 50,63 unequal: No Solution Exploring Operation: 13+63=76, Resulting Numbers: [76] 76,63 unequal: No Solution Exploring Operation: 13*63=819, Resulting Numbers: [819] 819,63 unequal: No Solution No 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: 63:[13, 4], Operations: ['47-34=13', '84/21=4'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,63 unequal: No Solution Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,63 unequal: No Solution Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,63 unequal: No Solution No 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: 63:[21, 71], Operations: ['47-34=13', '84-13=71'] Exploring Operation: 21*71=1491, Resulting Numbers: [1491] 1491,63 unequal: No Solution Exploring Operation: 21+71=92, Resulting Numbers: [92] 92,63 unequal: No Solution Exploring Operation: 71-21=50, Resulting Numbers: [50] 50,63 unequal: No Solution No 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: 63:[84, 8], Operations: ['47-34=13', '21-13=8'] Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,63 unequal: No Solution Exploring Operation: 84+8=92, Resulting Numbers: [92] 92,63 unequal: No Solution Exploring Operation: 84*8=672, Resulting Numbers: [672] 672,63 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: 63:[21, 34, 37], Operations: ['84-47=37'] Exploring Operation: 37-21=16, Resulting Numbers: [34, 16] Generated Node #0,2,0: 63:[34, 16] Operation: 37-21=16 Exploring Operation: 37-34=3, Resulting Numbers: [21, 3] Generated Node #0,2,1: 63:[21, 3] Operation: 37-34=3 Exploring Operation: 21+37=58, Resulting Numbers: [34, 58] Generated Node #0,2,2: 63:[34, 58] Operation: 21+37=58 Exploring Operation: 34+37=71, Resulting Numbers: [21, 71] Generated Node #0,2,3: 63:[21, 71] Operation: 34+37=71 Moving to Node #0,0 Current State: 63:[47, 21, 50], Operations: ['84-34=50'] Exploring Operation: 47+21=68, Resulting Numbers: [50, 68] Generated Node #0,0,0: 63:[50, 68] Operation: 47+21=68 Exploring Operation: 21+50=71, Resulting Numbers: [47, 71] Generated Node #0,0,1: 63:[47, 71] Operation: 21+50=71 Exploring Operation: 50-47=3, Resulting Numbers: [21, 3] Generated Node #0,0,2: 63:[21, 3] Operation: 50-47=3 Exploring Operation: 47-21=26, Resulting Numbers: [50, 26] Generated Node #0,0,3: 63:[50, 26] Operation: 47-21=26 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 63:[21, 3], Operations: ['84-34=50', '50-47=3'] Exploring Operation: 21+3=24, Resulting Numbers: [24] 24,63 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,63 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,63 unequal: No Solution Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[47, 21, 34, 84], Operations: [] Exploring Operation: 84-34=50, Resulting Numbers: [47, 21, 50] Generated Node #0,0: 63:[47, 21, 50] Operation: 84-34=50 Moving to Node #0,0 Current State: 63:[47, 21, 50], Operations: ['84-34=50'] Exploring Operation: 50-47=3, Resulting Numbers: [21, 3] Generated Node #0,0,2: 63:[21, 3] Operation: 50-47=3 Moving to Node #0,0,2 Current State: 63:[21, 3], Operations: ['84-34=50', '50-47=3'] Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_4
sum_heuristic
[ 44, 71, 9, 33 ]
15
[ "71-44=27", "9+33=42", "42-27=15" ]
Current State: 15:[44, 71, 9, 33], Operations: [] Exploring Operation: 71-44=27, Resulting Numbers: [9, 33, 27] Generated Node #2: [9, 33, 27] from Operation: 71-44=27 Current State: 15:[9, 33, 27], Operations: ['71-44=27'] Exploring Operation: 9+33=42, Resulting Numbers: [27, 42] Generated Node #3: [27, 42] from Operation: 9+33=42 Current State: 15:[27, 42], Operations: ['71-44=27', '9+33=42'] Exploring Operation: 42-27=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[44, 71, 9, 33], Operations: [] Exploring Operation: 44-33=11, Resulting Numbers: [71, 9, 11] Generated Node #0,0: 15:[71, 9, 11] Operation: 44-33=11 Exploring Operation: 44-9=35, Resulting Numbers: [71, 33, 35] Generated Node #0,1: 15:[71, 33, 35] Operation: 44-9=35 Exploring Operation: 71-44=27, Resulting Numbers: [9, 33, 27] Generated Node #0,2: 15:[9, 33, 27] Operation: 71-44=27 Exploring Operation: 71-33=38, Resulting Numbers: [44, 9, 38] Generated Node #0,3: 15:[44, 9, 38] Operation: 71-33=38 Exploring Operation: 71-9=62, Resulting Numbers: [44, 33, 62] Generated Node #0,4: 15:[44, 33, 62] Operation: 71-9=62 Start Sub Search at level 1: Moving to Node #0,2 Current State: 15:[9, 33, 27], Operations: ['71-44=27'] Exploring Operation: 27-9=18, Resulting Numbers: [33, 18] Generated Node #0,2,0: 15:[33, 18] Operation: 27-9=18 Exploring Operation: 33-27=6, Resulting Numbers: [9, 6] Generated Node #0,2,1: 15:[9, 6] Operation: 33-27=6 Exploring Operation: 27/9=3, Resulting Numbers: [33, 3] Generated Node #0,2,2: 15:[33, 3] Operation: 27/9=3 Exploring Operation: 33-9=24, Resulting Numbers: [27, 24] Generated Node #0,2,3: 15:[27, 24] Operation: 33-9=24 Exploring Operation: 9+33=42, Resulting Numbers: [27, 42] Generated Node #0,2,4: 15:[27, 42] Operation: 9+33=42 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 15:[9, 6], Operations: ['71-44=27', '33-27=6'] Exploring Operation: 9+6=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[44, 71, 9, 33], Operations: [] Exploring Operation: 71-44=27, Resulting Numbers: [9, 33, 27] Generated Node #0,2: 15:[9, 33, 27] Operation: 71-44=27 Moving to Node #0,2 Current State: 15:[9, 33, 27], Operations: ['71-44=27'] Exploring Operation: 33-27=6, Resulting Numbers: [9, 6] Generated Node #0,2,1: 15:[9, 6] Operation: 33-27=6 Moving to Node #0,2,1 Current State: 15:[9, 6], Operations: ['71-44=27', '33-27=6'] Exploring Operation: 9+6=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 32, 80, 89, 2 ]
82
[ "80-32=48", "89-48=41", "2*41=82" ]
Current State: 82:[32, 80, 89, 2], Operations: [] Exploring Operation: 80-32=48, Resulting Numbers: [89, 2, 48] Generated Node #2: [89, 2, 48] from Operation: 80-32=48 Current State: 82:[89, 2, 48], Operations: ['80-32=48'] Exploring Operation: 89-48=41, Resulting Numbers: [2, 41] Generated Node #3: [2, 41] from Operation: 89-48=41 Current State: 82:[2, 41], Operations: ['80-32=48', '89-48=41'] Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[32, 80, 89, 2], Operations: [] Exploring Operation: 80-32=48, Resulting Numbers: [89, 2, 48] Generated Node #0,0: 82:[89, 2, 48] Operation: 80-32=48 Exploring Operation: 89-80=9, Resulting Numbers: [32, 2, 9] Generated Node #0,1: 82:[32, 2, 9] Operation: 89-80=9 Exploring Operation: 32+2=34, Resulting Numbers: [80, 89, 34] Generated Node #0,2: 82:[80, 89, 34] Operation: 32+2=34 Moving to Node #0,0 Current State: 82:[89, 2, 48], Operations: ['80-32=48'] Exploring Operation: 48-2=46, Resulting Numbers: [89, 46] Generated Node #0,0,0: 82:[89, 46] Operation: 48-2=46 Exploring Operation: 89-48=41, Resulting Numbers: [2, 41] Generated Node #0,0,1: 82:[2, 41] Operation: 89-48=41 Exploring Operation: 89-2=87, Resulting Numbers: [48, 87] Generated Node #0,0,2: 82:[48, 87] Operation: 89-2=87 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 82:[2, 41], Operations: ['80-32=48', '89-48=41'] Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,82 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,82 unequal: No Solution Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[32, 80, 89, 2], Operations: [] Exploring Operation: 80-32=48, Resulting Numbers: [89, 2, 48] Generated Node #0,0: 82:[89, 2, 48] Operation: 80-32=48 Moving to Node #0,0 Current State: 82:[89, 2, 48], Operations: ['80-32=48'] Exploring Operation: 89-48=41, Resulting Numbers: [2, 41] Generated Node #0,0,1: 82:[2, 41] Operation: 89-48=41 Moving to Node #0,0,1 Current State: 82:[2, 41], Operations: ['80-32=48', '89-48=41'] Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 28, 26, 69, 48 ]
63
[ "28+26=54", "69+48=117", "117-54=63" ]
Current State: 63:[28, 26, 69, 48], Operations: [] Exploring Operation: 28+26=54, Resulting Numbers: [69, 48, 54] Generated Node #2: [69, 48, 54] from Operation: 28+26=54 Current State: 63:[69, 48, 54], Operations: ['28+26=54'] Exploring Operation: 69+48=117, Resulting Numbers: [54, 117] Generated Node #3: [54, 117] from Operation: 69+48=117 Current State: 63:[54, 117], Operations: ['28+26=54', '69+48=117'] Exploring Operation: 117-54=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[28, 26, 69, 48], Operations: [] Exploring Operation: 48-28=20, Resulting Numbers: [26, 69, 20] Generated Node #0,0: 63:[26, 69, 20] Operation: 48-28=20 Exploring Operation: 69-48=21, Resulting Numbers: [28, 26, 21] Generated Node #0,1: 63:[28, 26, 21] Operation: 69-48=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[26, 69, 20], Operations: ['48-28=20'] Exploring Operation: 26-20=6, Resulting Numbers: [69, 6] Generated Node #0,0,0: 63:[69, 6] Operation: 26-20=6 Exploring Operation: 69-20=49, Resulting Numbers: [26, 49] Generated Node #0,0,1: 63:[26, 49] Operation: 69-20=49 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 63:[69, 6], Operations: ['48-28=20', '26-20=6'] Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[28, 26, 69, 48], Operations: [] Exploring Operation: 48-28=20, Resulting Numbers: [26, 69, 20] Generated Node #0,0: 63:[26, 69, 20] Operation: 48-28=20 Moving to Node #0,0 Current State: 63:[26, 69, 20], Operations: ['48-28=20'] Exploring Operation: 26-20=6, Resulting Numbers: [69, 6] Generated Node #0,0,0: 63:[69, 6] Operation: 26-20=6 Moving to Node #0,0,0 Current State: 63:[69, 6], Operations: ['48-28=20', '26-20=6'] Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 4, 9, 72, 70 ]
66
[ "4+70=74", "72/9=8", "74-8=66" ]
Current State: 66:[4, 9, 72, 70], Operations: [] Exploring Operation: 4+70=74, Resulting Numbers: [9, 72, 74] Generated Node #2: [9, 72, 74] from Operation: 4+70=74 Current State: 66:[9, 72, 74], Operations: ['4+70=74'] Exploring Operation: 72/9=8, Resulting Numbers: [74, 8] Generated Node #3: [74, 8] from Operation: 72/9=8 Current State: 66:[74, 8], Operations: ['4+70=74', '72/9=8'] Exploring Operation: 74-8=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[4, 9, 72, 70], Operations: [] Exploring Operation: 72-4=68, Resulting Numbers: [9, 70, 68] Generated Node #0,0: 66:[9, 70, 68] Operation: 72-4=68 Exploring Operation: 72/9=8, Resulting Numbers: [4, 70, 8] Generated Node #0,1: 66:[4, 70, 8] Operation: 72/9=8 Exploring Operation: 72-70=2, Resulting Numbers: [4, 9, 2] Generated Node #0,2: 66:[4, 9, 2] Operation: 72-70=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 66:[4, 9, 2], Operations: ['72-70=2'] Exploring Operation: 9+2=11, Resulting Numbers: [4, 11] Generated Node #0,2,0: 66:[4, 11] Operation: 9+2=11 Exploring Operation: 9-4=5, Resulting Numbers: [2, 5] Generated Node #0,2,1: 66:[2, 5] Operation: 9-4=5 Exploring Operation: 4+9=13, Resulting Numbers: [2, 13] Generated Node #0,2,2: 66:[2, 13] Operation: 4+9=13 Moving to Node #0,2,0 Current State: 66:[4, 11], Operations: ['72-70=2', '9+2=11'] Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,66 unequal: No Solution Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,66 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,66 unequal: No Solution Moving to Node #0,2,1 Current State: 66:[2, 5], Operations: ['72-70=2', '9-4=5'] Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,66 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,66 unequal: No Solution Moving to Node #0,2,2 Current State: 66:[2, 13], Operations: ['72-70=2', '4+9=13'] Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,66 unequal: No Solution Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,66 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[4, 70, 8], Operations: ['72/9=8'] Exploring Operation: 4+8=12, Resulting Numbers: [70, 12] Generated Node #0,1,0: 66:[70, 12] Operation: 4+8=12 Exploring Operation: 70-4=66, Resulting Numbers: [8, 66] Generated Node #0,1,1: 66:[8, 66] Operation: 70-4=66 Exploring Operation: 8/4=2, Resulting Numbers: [70, 2] Generated Node #0,1,2: 66:[70, 2] Operation: 8/4=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 66:[8, 66], Operations: ['72/9=8', '70-4=66'] Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,66 unequal: No Solution Exploring Operation: 8+66=74, Resulting Numbers: [74] 74,66 unequal: No Solution Exploring Operation: 8*66=528, Resulting Numbers: [528] 528,66 unequal: No Solution No 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: 66:[70, 2], Operations: ['72/9=8', '8/4=2'] Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 70+2=72, Resulting Numbers: [72] 72,66 unequal: No Solution Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,66 unequal: No Solution No 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: 66:[70, 12], Operations: ['72/9=8', '4+8=12'] Exploring Operation: 70+12=82, Resulting Numbers: [82] 82,66 unequal: No Solution Exploring Operation: 70*12=840, Resulting Numbers: [840] 840,66 unequal: No Solution Exploring Operation: 70-12=58, Resulting Numbers: [58] 58,66 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: 66:[9, 70, 68], Operations: ['72-4=68'] Exploring Operation: 70-9=61, Resulting Numbers: [68, 61] Generated Node #0,0,0: 66:[68, 61] Operation: 70-9=61 Exploring Operation: 68-9=59, Resulting Numbers: [70, 59] Generated Node #0,0,1: 66:[70, 59] Operation: 68-9=59 Exploring Operation: 70-68=2, Resulting Numbers: [9, 2] Generated Node #0,0,2: 66:[9, 2] Operation: 70-68=2 Moving to Node #0,0,2 Current State: 66:[9, 2], Operations: ['72-4=68', '70-68=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,66 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,66 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[68, 61], Operations: ['72-4=68', '70-9=61'] Exploring Operation: 68-61=7, Resulting Numbers: [7] 7,66 unequal: No Solution Exploring Operation: 68*61=4148, Resulting Numbers: [4148] 4148,66 unequal: No Solution Exploring Operation: 68+61=129, Resulting Numbers: [129] 129,66 unequal: No Solution Moving to Node #0,0,1 Current State: 66:[70, 59], Operations: ['72-4=68', '68-9=59'] Exploring Operation: 70*59=4130, Resulting Numbers: [4130] 4130,66 unequal: No Solution Exploring Operation: 70+59=129, Resulting Numbers: [129] 129,66 unequal: No Solution Exploring Operation: 70-59=11, Resulting Numbers: [11] 11,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 17, 25, 29, 26 ]
45
[ "17+25=42", "29-26=3", "42+3=45" ]
Current State: 45:[17, 25, 29, 26], Operations: [] Exploring Operation: 17+25=42, Resulting Numbers: [29, 26, 42] Generated Node #2: [29, 26, 42] from Operation: 17+25=42 Current State: 45:[29, 26, 42], Operations: ['17+25=42'] Exploring Operation: 29-26=3, Resulting Numbers: [42, 3] Generated Node #3: [42, 3] from Operation: 29-26=3 Current State: 45:[42, 3], Operations: ['17+25=42', '29-26=3'] Exploring Operation: 42+3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[17, 25, 29, 26], Operations: [] Exploring Operation: 29-25=4, Resulting Numbers: [17, 26, 4] Generated Node #0,0: 45:[17, 26, 4] Operation: 29-25=4 Exploring Operation: 17+29=46, Resulting Numbers: [25, 26, 46] Generated Node #0,1: 45:[25, 26, 46] Operation: 17+29=46 Exploring Operation: 26-25=1, Resulting Numbers: [17, 29, 1] Generated Node #0,2: 45:[17, 29, 1] Operation: 26-25=1 Exploring Operation: 29-26=3, Resulting Numbers: [17, 25, 3] Generated Node #0,3: 45:[17, 25, 3] Operation: 29-26=3 Moving to Node #0,3 Current State: 45:[17, 25, 3], Operations: ['29-26=3'] Exploring Operation: 25-17=8, Resulting Numbers: [3, 8] Generated Node #0,3,0: 45:[3, 8] Operation: 25-17=8 Exploring Operation: 17+25=42, Resulting Numbers: [3, 42] Generated Node #0,3,1: 45:[3, 42] Operation: 17+25=42 Exploring Operation: 17-3=14, Resulting Numbers: [25, 14] Generated Node #0,3,2: 45:[25, 14] Operation: 17-3=14 Exploring Operation: 25-3=22, Resulting Numbers: [17, 22] Generated Node #0,3,3: 45:[17, 22] Operation: 25-3=22 Moving to Node #0,0 Current State: 45:[17, 26, 4], Operations: ['29-25=4'] Exploring Operation: 17+26=43, Resulting Numbers: [4, 43] Generated Node #0,0,0: 45:[4, 43] Operation: 17+26=43 Exploring Operation: 26-17=9, Resulting Numbers: [4, 9] Generated Node #0,0,1: 45:[4, 9] Operation: 26-17=9 Exploring Operation: 26-4=22, Resulting Numbers: [17, 22] Generated Node #0,0,2: 45:[17, 22] Operation: 26-4=22 Exploring Operation: 17-4=13, Resulting Numbers: [26, 13] Generated Node #0,0,3: 45:[26, 13] Operation: 17-4=13 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 45:[4, 9], Operations: ['29-25=4', '26-17=9'] Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,45 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,45 unequal: No Solution Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,45 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:[4, 43], Operations: ['29-25=4', '17+26=43'] Exploring Operation: 4+43=47, Resulting Numbers: [47] 47,45 unequal: No Solution Exploring Operation: 4*43=172, Resulting Numbers: [172] 172,45 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,45 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 #0,0,2 Current State: 45:[17, 22], Operations: ['29-25=4', '26-4=22'] Exploring Operation: 17+22=39, Resulting Numbers: [39] 39,45 unequal: No Solution Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,45 unequal: No Solution Exploring Operation: 17*22=374, Resulting Numbers: [374] 374,45 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 #0,0,3 Current State: 45:[26, 13], Operations: ['29-25=4', '17-4=13'] Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,45 unequal: No Solution Exploring Operation: 26*13=338, Resulting Numbers: [338] 338,45 unequal: No Solution Exploring Operation: 26+13=39, Resulting Numbers: [39] 39,45 unequal: No Solution Exploring Operation: 26/13=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 #0,2 Current State: 45:[17, 29, 1], Operations: ['26-25=1'] Exploring Operation: 29-1=28, Resulting Numbers: [17, 28] Generated Node #0,2,0: 45:[17, 28] Operation: 29-1=28 Exploring Operation: 17-1=16, Resulting Numbers: [29, 16] Generated Node #0,2,1: 45:[29, 16] Operation: 17-1=16 Exploring Operation: 17+29=46, Resulting Numbers: [1, 46] Generated Node #0,2,2: 45:[1, 46] Operation: 17+29=46 Exploring Operation: 29-17=12, Resulting Numbers: [1, 12] Generated Node #0,2,3: 45:[1, 12] Operation: 29-17=12 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 45:[1, 46], Operations: ['26-25=1', '17+29=46'] Exploring Operation: 1*46=46, Resulting Numbers: [46] 46,45 unequal: No Solution Exploring Operation: 46-1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[17, 25, 29, 26], Operations: [] Exploring Operation: 26-25=1, Resulting Numbers: [17, 29, 1] Generated Node #0,2: 45:[17, 29, 1] Operation: 26-25=1 Moving to Node #0,2 Current State: 45:[17, 29, 1], Operations: ['26-25=1'] Exploring Operation: 17+29=46, Resulting Numbers: [1, 46] Generated Node #0,2,2: 45:[1, 46] Operation: 17+29=46 Moving to Node #0,2,2 Current State: 45:[1, 46], Operations: ['26-25=1', '17+29=46'] Exploring Operation: 46-1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_4
mult_heuristic
[ 87, 1, 40, 78 ]
85
[ "40-1=39", "78/39=2", "87-2=85" ]
Current State: 85:[87, 1, 40, 78], Operations: [] Exploring Operation: 40-1=39, Resulting Numbers: [87, 78, 39] Generated Node #2: [87, 78, 39] from Operation: 40-1=39 Current State: 85:[87, 78, 39], Operations: ['40-1=39'] Exploring Operation: 78/39=2, Resulting Numbers: [87, 2] Generated Node #3: [87, 2] from Operation: 78/39=2 Current State: 85:[87, 2], Operations: ['40-1=39', '78/39=2'] Exploring Operation: 87-2=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[87, 1, 40, 78], Operations: [] Exploring Operation: 87-78=9, Resulting Numbers: [1, 40, 9] Generated Node #0,0: 85:[1, 40, 9] Operation: 87-78=9 Exploring Operation: 78-40=38, Resulting Numbers: [87, 1, 38] Generated Node #0,1: 85:[87, 1, 38] Operation: 78-40=38 Exploring Operation: 87-1=86, Resulting Numbers: [40, 78, 86] Generated Node #0,2: 85:[40, 78, 86] Operation: 87-1=86 Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[87, 1, 38], Operations: ['78-40=38'] Exploring Operation: 87*1=87, Resulting Numbers: [38, 87] Generated Node #0,1,0: 85:[38, 87] Operation: 87*1=87 Exploring Operation: 38-1=37, Resulting Numbers: [87, 37] Generated Node #0,1,1: 85:[87, 37] Operation: 38-1=37 Exploring Operation: 87-1=86, Resulting Numbers: [38, 86] Generated Node #0,1,2: 85:[38, 86] Operation: 87-1=86 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 85:[87, 37], Operations: ['78-40=38', '38-1=37'] Exploring Operation: 87-37=50, Resulting Numbers: [50] 50,85 unequal: No Solution Exploring Operation: 87*37=3219, Resulting Numbers: [3219] 3219,85 unequal: No Solution Exploring Operation: 87+37=124, Resulting Numbers: [124] 124,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 85:[38, 86], Operations: ['78-40=38', '87-1=86'] Exploring Operation: 38*86=3268, Resulting Numbers: [3268] 3268,85 unequal: No Solution Exploring Operation: 86-38=48, Resulting Numbers: [48] 48,85 unequal: No Solution Exploring Operation: 38+86=124, Resulting Numbers: [124] 124,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 85:[38, 87], Operations: ['78-40=38', '87*1=87'] Exploring Operation: 87-38=49, Resulting Numbers: [49] 49,85 unequal: No Solution Exploring Operation: 38*87=3306, Resulting Numbers: [3306] 3306,85 unequal: No Solution Exploring Operation: 38+87=125, Resulting Numbers: [125] 125,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[1, 40, 9], Operations: ['87-78=9'] Exploring Operation: 40-9=31, Resulting Numbers: [1, 31] Generated Node #0,0,0: 85:[1, 31] Operation: 40-9=31 Exploring Operation: 9-1=8, Resulting Numbers: [40, 8] Generated Node #0,0,1: 85:[40, 8] Operation: 9-1=8 Exploring Operation: 40-1=39, Resulting Numbers: [9, 39] Generated Node #0,0,2: 85:[9, 39] Operation: 40-1=39 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[1, 31], Operations: ['87-78=9', '40-9=31'] Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,85 unequal: No Solution Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,85 unequal: No Solution Exploring Operation: 1*31=31, Resulting Numbers: [31] 31,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 85:[40, 8], Operations: ['87-78=9', '9-1=8'] Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,85 unequal: No Solution Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,85 unequal: No Solution Exploring Operation: 40+8=48, Resulting Numbers: [48] 48,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 85:[9, 39], Operations: ['87-78=9', '40-1=39'] Exploring Operation: 9+39=48, Resulting Numbers: [48] 48,85 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,85 unequal: No Solution Exploring Operation: 9*39=351, Resulting Numbers: [351] 351,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 85:[40, 78, 86], Operations: ['87-1=86'] Exploring Operation: 86-78=8, Resulting Numbers: [40, 8] Generated Node #0,2,0: 85:[40, 8] Operation: 86-78=8 Exploring Operation: 40+78=118, Resulting Numbers: [86, 118] Generated Node #0,2,1: 85:[86, 118] Operation: 40+78=118 Exploring Operation: 78-40=38, Resulting Numbers: [86, 38] Generated Node #0,2,2: 85:[86, 38] Operation: 78-40=38 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 85:[86, 38], Operations: ['87-1=86', '78-40=38'] Exploring Operation: 86-38=48, Resulting Numbers: [48] 48,85 unequal: No Solution Exploring Operation: 86+38=124, Resulting Numbers: [124] 124,85 unequal: No Solution Exploring Operation: 86*38=3268, Resulting Numbers: [3268] 3268,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 85:[40, 8], Operations: ['87-1=86', '86-78=8'] Exploring Operation: 40+8=48, Resulting Numbers: [48] 48,85 unequal: No Solution Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,85 unequal: No Solution Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 85:[86, 118], Operations: ['87-1=86', '40+78=118'] Exploring Operation: 118-86=32, Resulting Numbers: [32] 32,85 unequal: No Solution Exploring Operation: 86*118=10148, Resulting Numbers: [10148] 10148,85 unequal: No Solution Exploring Operation: 86+118=204, Resulting Numbers: [204] 204,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 58, 33, 71, 70 ]
24
[ "58-33=25", "71-70=1", "25-1=24" ]
Current State: 24:[58, 33, 71, 70], Operations: [] Exploring Operation: 58-33=25, Resulting Numbers: [71, 70, 25] Generated Node #2: [71, 70, 25] from Operation: 58-33=25 Current State: 24:[71, 70, 25], Operations: ['58-33=25'] Exploring Operation: 71-70=1, Resulting Numbers: [25, 1] Generated Node #3: [25, 1] from Operation: 71-70=1 Current State: 24:[25, 1], Operations: ['58-33=25', '71-70=1'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[58, 33, 71, 70], Operations: [] Exploring Operation: 71-58=13, Resulting Numbers: [33, 70, 13] Generated Node #0,0: 24:[33, 70, 13] Operation: 71-58=13 Exploring Operation: 71-70=1, Resulting Numbers: [58, 33, 1] Generated Node #0,1: 24:[58, 33, 1] Operation: 71-70=1 Exploring Operation: 58-33=25, Resulting Numbers: [71, 70, 25] Generated Node #0,2: 24:[71, 70, 25] Operation: 58-33=25 Exploring Operation: 70-58=12, Resulting Numbers: [33, 71, 12] Generated Node #0,3: 24:[33, 71, 12] Operation: 70-58=12 Exploring Operation: 71-33=38, Resulting Numbers: [58, 70, 38] Generated Node #0,4: 24:[58, 70, 38] Operation: 71-33=38 Moving to Node #0,1 Current State: 24:[58, 33, 1], Operations: ['71-70=1'] Exploring Operation: 58/1=58, Resulting Numbers: [33, 58] Generated Node #0,1,0: 24:[33, 58] Operation: 58/1=58 Exploring Operation: 58-1=57, Resulting Numbers: [33, 57] Generated Node #0,1,1: 24:[33, 57] Operation: 58-1=57 Exploring Operation: 33-1=32, Resulting Numbers: [58, 32] Generated Node #0,1,2: 24:[58, 32] Operation: 33-1=32 Exploring Operation: 58*1=58, Resulting Numbers: [33, 58] Generated Node #0,1,3: 24:[33, 58] Operation: 58*1=58 Exploring Operation: 58-33=25, Resulting Numbers: [1, 25] Generated Node #0,1,4: 24:[1, 25] Operation: 58-33=25 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 24:[1, 25], Operations: ['71-70=1', '58-33=25'] Exploring Operation: 1*25=25, Resulting Numbers: [25] 25,24 unequal: No Solution Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,24 unequal: No Solution Exploring Operation: 1+25=26, Resulting Numbers: [26] 26,24 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[58, 33, 71, 70], Operations: [] Exploring Operation: 71-70=1, Resulting Numbers: [58, 33, 1] Generated Node #0,1: 24:[58, 33, 1] Operation: 71-70=1 Moving to Node #0,1 Current State: 24:[58, 33, 1], Operations: ['71-70=1'] Exploring Operation: 58-33=25, Resulting Numbers: [1, 25] Generated Node #0,1,4: 24:[1, 25] Operation: 58-33=25 Moving to Node #0,1,4 Current State: 24:[1, 25], Operations: ['71-70=1', '58-33=25'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 38, 75, 17, 3 ]
22
[ "38*3=114", "75+17=92", "114-92=22" ]
Current State: 22:[38, 75, 17, 3], Operations: [] Exploring Operation: 38*3=114, Resulting Numbers: [75, 17, 114] Generated Node #2: [75, 17, 114] from Operation: 38*3=114 Current State: 22:[75, 17, 114], Operations: ['38*3=114'] Exploring Operation: 75+17=92, Resulting Numbers: [114, 92] Generated Node #3: [114, 92] from Operation: 75+17=92 Current State: 22:[114, 92], Operations: ['38*3=114', '75+17=92'] Exploring Operation: 114-92=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[38, 75, 17, 3], Operations: [] Exploring Operation: 75-38=37, Resulting Numbers: [17, 3, 37] Generated Node #0,0: 22:[17, 3, 37] Operation: 75-38=37 Exploring Operation: 38-17=21, Resulting Numbers: [75, 3, 21] Generated Node #0,1: 22:[75, 3, 21] Operation: 38-17=21 Exploring Operation: 75-17=58, Resulting Numbers: [38, 3, 58] Generated Node #0,2: 22:[38, 3, 58] Operation: 75-17=58 Exploring Operation: 75/3=25, Resulting Numbers: [38, 17, 25] Generated Node #0,3: 22:[38, 17, 25] Operation: 75/3=25 Moving to Node #0,0 Current State: 22:[17, 3, 37], Operations: ['75-38=37'] Exploring Operation: 17+3=20, Resulting Numbers: [37, 20] Generated Node #0,0,0: 22:[37, 20] Operation: 17+3=20 Exploring Operation: 37-3=34, Resulting Numbers: [17, 34] Generated Node #0,0,1: 22:[17, 34] Operation: 37-3=34 Exploring Operation: 17-3=14, Resulting Numbers: [37, 14] Generated Node #0,0,2: 22:[37, 14] Operation: 17-3=14 Exploring Operation: 37-17=20, Resulting Numbers: [3, 20] Generated Node #0,0,3: 22:[3, 20] Operation: 37-17=20 Moving to Node #0,3 Current State: 22:[38, 17, 25], Operations: ['75/3=25'] Exploring Operation: 25-17=8, Resulting Numbers: [38, 8] Generated Node #0,3,0: 22:[38, 8] Operation: 25-17=8 Exploring Operation: 38-25=13, Resulting Numbers: [17, 13] Generated Node #0,3,1: 22:[17, 13] Operation: 38-25=13 Exploring Operation: 38+17=55, Resulting Numbers: [25, 55] Generated Node #0,3,2: 22:[25, 55] Operation: 38+17=55 Exploring Operation: 38-17=21, Resulting Numbers: [25, 21] Generated Node #0,3,3: 22:[25, 21] Operation: 38-17=21 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 22:[25, 21], Operations: ['75/3=25', '38-17=21'] Exploring Operation: 25+21=46, Resulting Numbers: [46] 46,22 unequal: No Solution Exploring Operation: 25*21=525, Resulting Numbers: [525] 525,22 unequal: No Solution Exploring Operation: 25-21=4, Resulting Numbers: [4] 4,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 22:[17, 13], Operations: ['75/3=25', '38-25=13'] Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,22 unequal: No Solution Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,22 unequal: No Solution Exploring Operation: 17*13=221, Resulting Numbers: [221] 221,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 22:[38, 8], Operations: ['75/3=25', '25-17=8'] Exploring Operation: 38*8=304, Resulting Numbers: [304] 304,22 unequal: No Solution Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,22 unequal: No Solution Exploring Operation: 38+8=46, Resulting Numbers: [46] 46,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 22:[25, 55], Operations: ['75/3=25', '38+17=55'] Exploring Operation: 25+55=80, Resulting Numbers: [80] 80,22 unequal: No Solution Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,22 unequal: No Solution Exploring Operation: 25*55=1375, Resulting Numbers: [1375] 1375,22 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: 22:[38, 3, 58], Operations: ['75-17=58'] Exploring Operation: 38-3=35, Resulting Numbers: [58, 35] Generated Node #0,2,0: 22:[58, 35] Operation: 38-3=35 Exploring Operation: 58-38=20, Resulting Numbers: [3, 20] Generated Node #0,2,1: 22:[3, 20] Operation: 58-38=20 Exploring Operation: 58-3=55, Resulting Numbers: [38, 55] Generated Node #0,2,2: 22:[38, 55] Operation: 58-3=55 Exploring Operation: 38+3=41, Resulting Numbers: [58, 41] Generated Node #0,2,3: 22:[58, 41] Operation: 38+3=41 Moving to Node #0,1 Current State: 22:[75, 3, 21], Operations: ['38-17=21'] Exploring Operation: 75-3=72, Resulting Numbers: [21, 72] Generated Node #0,1,0: 22:[21, 72] Operation: 75-3=72 Exploring Operation: 75-21=54, Resulting Numbers: [3, 54] Generated Node #0,1,1: 22:[3, 54] Operation: 75-21=54 Exploring Operation: 75/3=25, Resulting Numbers: [21, 25] Generated Node #0,1,2: 22:[21, 25] Operation: 75/3=25 Exploring Operation: 3+21=24, Resulting Numbers: [75, 24] Generated Node #0,1,3: 22:[75, 24] Operation: 3+21=24 Moving to Node #0,0,3 Current State: 22:[3, 20], Operations: ['75-38=37', '37-17=20'] Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,22 unequal: No Solution Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,22 unequal: No Solution Moving to Node #0,2,1 Current State: 22:[3, 20], Operations: ['75-17=58', '58-38=20'] Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,22 unequal: No Solution Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,22 unequal: No Solution Moving to Node #0,1,2 Current State: 22:[21, 25], Operations: ['38-17=21', '75/3=25'] Exploring Operation: 21*25=525, Resulting Numbers: [525] 525,22 unequal: No Solution Exploring Operation: 21+25=46, Resulting Numbers: [46] 46,22 unequal: No Solution Exploring Operation: 25-21=4, Resulting Numbers: [4] 4,22 unequal: No Solution Moving to Node #0,0,1 Current State: 22:[17, 34], Operations: ['75-38=37', '37-3=34'] Exploring Operation: 17*34=578, Resulting Numbers: [578] 578,22 unequal: No Solution Exploring Operation: 17+34=51, Resulting Numbers: [51] 51,22 unequal: No Solution Exploring Operation: 34-17=17, Resulting Numbers: [17] 17,22 unequal: No Solution Exploring Operation: 34/17=2, Resulting Numbers: [2] 2,22 unequal: No Solution Moving to Node #0,0,0 Current State: 22:[37, 20], Operations: ['75-38=37', '17+3=20'] Exploring Operation: 37+20=57, Resulting Numbers: [57] 57,22 unequal: No Solution Exploring Operation: 37*20=740, Resulting Numbers: [740] 740,22 unequal: No Solution Exploring Operation: 37-20=17, Resulting Numbers: [17] 17,22 unequal: No Solution Moving to Node #0,0,2 Current State: 22:[37, 14], Operations: ['75-38=37', '17-3=14'] Exploring Operation: 37*14=518, Resulting Numbers: [518] 518,22 unequal: No Solution Exploring Operation: 37+14=51, Resulting Numbers: [51] 51,22 unequal: No Solution Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,22 unequal: No Solution Moving to Node #0,1,1 Current State: 22:[3, 54], Operations: ['38-17=21', '75-21=54'] Exploring Operation: 3+54=57, Resulting Numbers: [57] 57,22 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,22 unequal: No Solution Exploring Operation: 3*54=162, Resulting Numbers: [162] 162,22 unequal: No Solution Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,22 unequal: No Solution Moving to Node #0,2,2 Current State: 22:[38, 55], Operations: ['75-17=58', '58-3=55'] Exploring Operation: 55-38=17, Resulting Numbers: [17] 17,22 unequal: No Solution Exploring Operation: 38+55=93, Resulting Numbers: [93] 93,22 unequal: No Solution Exploring Operation: 38*55=2090, Resulting Numbers: [2090] 2090,22 unequal: No Solution Moving to Node #0,2,0 Current State: 22:[58, 35], Operations: ['75-17=58', '38-3=35'] Exploring Operation: 58-35=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 58*35=2030, Resulting Numbers: [2030] 2030,22 unequal: No Solution Exploring Operation: 58+35=93, Resulting Numbers: [93] 93,22 unequal: No Solution Moving to Node #0,1,0 Current State: 22:[21, 72], Operations: ['38-17=21', '75-3=72'] Exploring Operation: 21+72=93, Resulting Numbers: [93] 93,22 unequal: No Solution Exploring Operation: 72-21=51, Resulting Numbers: [51] 51,22 unequal: No Solution Exploring Operation: 21*72=1512, Resulting Numbers: [1512] 1512,22 unequal: No Solution Moving to Node #0,2,3 Current State: 22:[58, 41], Operations: ['75-17=58', '38+3=41'] Exploring Operation: 58+41=99, Resulting Numbers: [99] 99,22 unequal: No Solution Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,22 unequal: No Solution Exploring Operation: 58*41=2378, Resulting Numbers: [2378] 2378,22 unequal: No Solution Moving to Node #0,1,3 Current State: 22:[75, 24], Operations: ['38-17=21', '3+21=24'] Exploring Operation: 75*24=1800, Resulting Numbers: [1800] 1800,22 unequal: No Solution Exploring Operation: 75-24=51, Resulting Numbers: [51] 51,22 unequal: No Solution Exploring Operation: 75+24=99, Resulting Numbers: [99] 99,22 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 20, 78, 33, 30 ]
85
[ "20*78=1560", "1560/30=52", "33+52=85" ]
Current State: 85:[20, 78, 33, 30], Operations: [] Exploring Operation: 20*78=1560, Resulting Numbers: [33, 30, 1560] Generated Node #2: [33, 30, 1560] from Operation: 20*78=1560 Current State: 85:[33, 30, 1560], Operations: ['20*78=1560'] Exploring Operation: 1560/30=52, Resulting Numbers: [33, 52] Generated Node #3: [33, 52] from Operation: 1560/30=52 Current State: 85:[33, 52], Operations: ['20*78=1560', '1560/30=52'] Exploring Operation: 33+52=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[20, 78, 33, 30], Operations: [] Exploring Operation: 30-20=10, Resulting Numbers: [78, 33, 10] Generated Node #0,0: 85:[78, 33, 10] Operation: 30-20=10 Exploring Operation: 33-30=3, Resulting Numbers: [20, 78, 3] Generated Node #0,1: 85:[20, 78, 3] Operation: 33-30=3 Exploring Operation: 33-20=13, Resulting Numbers: [78, 30, 13] Generated Node #0,2: 85:[78, 30, 13] Operation: 33-20=13 Moving to Node #0,1 Current State: 85:[20, 78, 3], Operations: ['33-30=3'] Exploring Operation: 78/3=26, Resulting Numbers: [20, 26] Generated Node #0,1,0: 85:[20, 26] Operation: 78/3=26 Exploring Operation: 78+3=81, Resulting Numbers: [20, 81] Generated Node #0,1,1: 85:[20, 81] Operation: 78+3=81 Exploring Operation: 20-3=17, Resulting Numbers: [78, 17] Generated Node #0,1,2: 85:[78, 17] Operation: 20-3=17 Moving to Node #0,2 Current State: 85:[78, 30, 13], Operations: ['33-20=13'] Exploring Operation: 78+13=91, Resulting Numbers: [30, 91] Generated Node #0,2,0: 85:[30, 91] Operation: 78+13=91 Exploring Operation: 30-13=17, Resulting Numbers: [78, 17] Generated Node #0,2,1: 85:[78, 17] Operation: 30-13=17 Exploring Operation: 78/13=6, Resulting Numbers: [30, 6] Generated Node #0,2,2: 85:[30, 6] Operation: 78/13=6 Moving to Node #0,0 Current State: 85:[78, 33, 10], Operations: ['30-20=10'] Exploring Operation: 33-10=23, Resulting Numbers: [78, 23] Generated Node #0,0,0: 85:[78, 23] Operation: 33-10=23 Exploring Operation: 78+10=88, Resulting Numbers: [33, 88] Generated Node #0,0,1: 85:[33, 88] Operation: 78+10=88 Exploring Operation: 78+33=111, Resulting Numbers: [10, 111] Generated Node #0,0,2: 85:[10, 111] Operation: 78+33=111 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 85:[78, 23], Operations: ['30-20=10', '33-10=23'] Exploring Operation: 78*23=1794, Resulting Numbers: [1794] 1794,85 unequal: No Solution Exploring Operation: 78+23=101, Resulting Numbers: [101] 101,85 unequal: No Solution Exploring Operation: 78-23=55, Resulting Numbers: [55] 55,85 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:[33, 88], Operations: ['30-20=10', '78+10=88'] Exploring Operation: 88-33=55, Resulting Numbers: [55] 55,85 unequal: No Solution Exploring Operation: 33+88=121, Resulting Numbers: [121] 121,85 unequal: No Solution Exploring Operation: 33*88=2904, Resulting Numbers: [2904] 2904,85 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 #0,0,2 Current State: 85:[10, 111], Operations: ['30-20=10', '78+33=111'] Exploring Operation: 10+111=121, Resulting Numbers: [121] 121,85 unequal: No Solution Exploring Operation: 10*111=1110, Resulting Numbers: [1110] 1110,85 unequal: No Solution Exploring Operation: 111-10=101, Resulting Numbers: [101] 101,85 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: 85:[20, 81], Operations: ['33-30=3', '78+3=81'] Exploring Operation: 20+81=101, Resulting Numbers: [101] 101,85 unequal: No Solution Exploring Operation: 81-20=61, Resulting Numbers: [61] 61,85 unequal: No Solution Exploring Operation: 20*81=1620, Resulting Numbers: [1620] 1620,85 unequal: No Solution Moving to Node #0,1,2 Current State: 85:[78, 17], Operations: ['33-30=3', '20-3=17'] Exploring Operation: 78-17=61, Resulting Numbers: [61] 61,85 unequal: No Solution Exploring Operation: 78+17=95, Resulting Numbers: [95] 95,85 unequal: No Solution Exploring Operation: 78*17=1326, Resulting Numbers: [1326] 1326,85 unequal: No Solution Moving to Node #0,2,1 Current State: 85:[78, 17], Operations: ['33-20=13', '30-13=17'] Exploring Operation: 78*17=1326, Resulting Numbers: [1326] 1326,85 unequal: No Solution Exploring Operation: 78+17=95, Resulting Numbers: [95] 95,85 unequal: No Solution Exploring Operation: 78-17=61, Resulting Numbers: [61] 61,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[20, 26], Operations: ['33-30=3', '78/3=26'] Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,85 unequal: No Solution Exploring Operation: 20*26=520, Resulting Numbers: [520] 520,85 unequal: No Solution Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,85 unequal: No Solution Moving to Node #0,2,2 Current State: 85:[30, 6], Operations: ['33-20=13', '78/13=6'] Exploring Operation: 30+6=36, Resulting Numbers: [36] 36,85 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,85 unequal: No Solution Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,85 unequal: No Solution Moving to Node #0,2,0 Current State: 85:[30, 91], Operations: ['33-20=13', '78+13=91'] Exploring Operation: 91-30=61, Resulting Numbers: [61] 61,85 unequal: No Solution Exploring Operation: 30+91=121, Resulting Numbers: [121] 121,85 unequal: No Solution Exploring Operation: 30*91=2730, Resulting Numbers: [2730] 2730,85 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 40, 21, 20, 5 ]
11
[ "40/20=2", "5*2=10", "21-10=11" ]
Current State: 11:[40, 21, 20, 5], Operations: [] Exploring Operation: 40/20=2, Resulting Numbers: [21, 5, 2] Generated Node #2: [21, 5, 2] from Operation: 40/20=2 Current State: 11:[21, 5, 2], Operations: ['40/20=2'] Exploring Operation: 5*2=10, Resulting Numbers: [21, 10] Generated Node #3: [21, 10] from Operation: 5*2=10 Current State: 11:[21, 10], Operations: ['40/20=2', '5*2=10'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[40, 21, 20, 5], Operations: [] Exploring Operation: 40/5=8, Resulting Numbers: [21, 20, 8] Generated Node #0,0: 11:[21, 20, 8] Operation: 40/5=8 Exploring Operation: 40-21=19, Resulting Numbers: [20, 5, 19] Generated Node #0,1: 11:[20, 5, 19] Operation: 40-21=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[21, 20, 8], Operations: ['40/5=8'] Exploring Operation: 20-8=12, Resulting Numbers: [21, 12] Generated Node #0,0,0: 11:[21, 12] Operation: 20-8=12 Exploring Operation: 21-8=13, Resulting Numbers: [20, 13] Generated Node #0,0,1: 11:[20, 13] Operation: 21-8=13 Moving to Node #0,0,0 Current State: 11:[21, 12], Operations: ['40/5=8', '20-8=12'] Exploring Operation: 21+12=33, Resulting Numbers: [33] 33,11 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,11 unequal: No Solution Moving to Node #0,0,1 Current State: 11:[20, 13], Operations: ['40/5=8', '21-8=13'] Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,11 unequal: No Solution Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[20, 5, 19], Operations: ['40-21=19'] Exploring Operation: 19-5=14, Resulting Numbers: [20, 14] Generated Node #0,1,0: 11:[20, 14] Operation: 19-5=14 Exploring Operation: 20-5=15, Resulting Numbers: [19, 15] Generated Node #0,1,1: 11:[19, 15] Operation: 20-5=15 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 11:[20, 14], Operations: ['40-21=19', '19-5=14'] Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 20+14=34, Resulting Numbers: [34] 34,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 11:[19, 15], Operations: ['40-21=19', '20-5=15'] Exploring Operation: 19+15=34, Resulting Numbers: [34] 34,11 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 91, 92, 65, 94 ]
52
[ "91-65=26", "94-92=2", "26*2=52" ]
Current State: 52:[91, 92, 65, 94], Operations: [] Exploring Operation: 91-65=26, Resulting Numbers: [92, 94, 26] Generated Node #2: [92, 94, 26] from Operation: 91-65=26 Current State: 52:[92, 94, 26], Operations: ['91-65=26'] Exploring Operation: 94-92=2, Resulting Numbers: [26, 2] Generated Node #3: [26, 2] from Operation: 94-92=2 Current State: 52:[26, 2], Operations: ['91-65=26', '94-92=2'] Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[91, 92, 65, 94], Operations: [] Exploring Operation: 92-91=1, Resulting Numbers: [65, 94, 1] Generated Node #0,0: 52:[65, 94, 1] Operation: 92-91=1 Exploring Operation: 94-92=2, Resulting Numbers: [91, 65, 2] Generated Node #0,1: 52:[91, 65, 2] Operation: 94-92=2 Exploring Operation: 94-91=3, Resulting Numbers: [92, 65, 3] Generated Node #0,2: 52:[92, 65, 3] Operation: 94-91=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[91, 65, 2], Operations: ['94-92=2'] Exploring Operation: 65-2=63, Resulting Numbers: [91, 63] Generated Node #0,1,0: 52:[91, 63] Operation: 65-2=63 Exploring Operation: 91-65=26, Resulting Numbers: [2, 26] Generated Node #0,1,1: 52:[2, 26] Operation: 91-65=26 Exploring Operation: 91-2=89, Resulting Numbers: [65, 89] Generated Node #0,1,2: 52:[65, 89] Operation: 91-2=89 Moving to Node #0,1,1 Current State: 52:[2, 26], Operations: ['94-92=2', '91-65=26'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,52 unequal: No Solution Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,52 unequal: No Solution Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[91, 92, 65, 94], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [91, 65, 2] Generated Node #0,1: 52:[91, 65, 2] Operation: 94-92=2 Moving to Node #0,1 Current State: 52:[91, 65, 2], Operations: ['94-92=2'] Exploring Operation: 91-65=26, Resulting Numbers: [2, 26] Generated Node #0,1,1: 52:[2, 26] Operation: 91-65=26 Moving to Node #0,1,1 Current State: 52:[2, 26], Operations: ['94-92=2', '91-65=26'] Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 81, 51, 17, 57 ]
62
[ "51/17=3", "57/3=19", "81-19=62" ]
Current State: 62:[81, 51, 17, 57], Operations: [] Exploring Operation: 51/17=3, Resulting Numbers: [81, 57, 3] Generated Node #2: [81, 57, 3] from Operation: 51/17=3 Current State: 62:[81, 57, 3], Operations: ['51/17=3'] Exploring Operation: 57/3=19, Resulting Numbers: [81, 19] Generated Node #3: [81, 19] from Operation: 57/3=19 Current State: 62:[81, 19], Operations: ['51/17=3', '57/3=19'] Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[81, 51, 17, 57], Operations: [] Exploring Operation: 81-51=30, Resulting Numbers: [17, 57, 30] Generated Node #0,0: 62:[17, 57, 30] Operation: 81-51=30 Exploring Operation: 81-17=64, Resulting Numbers: [51, 57, 64] Generated Node #0,1: 62:[51, 57, 64] Operation: 81-17=64 Exploring Operation: 51/17=3, Resulting Numbers: [81, 57, 3] Generated Node #0,2: 62:[81, 57, 3] Operation: 51/17=3 Moving to Node #0,1 Current State: 62:[51, 57, 64], Operations: ['81-17=64'] Exploring Operation: 64-57=7, Resulting Numbers: [51, 7] Generated Node #0,1,0: 62:[51, 7] Operation: 64-57=7 Exploring Operation: 64-51=13, Resulting Numbers: [57, 13] Generated Node #0,1,1: 62:[57, 13] Operation: 64-51=13 Exploring Operation: 57-51=6, Resulting Numbers: [64, 6] Generated Node #0,1,2: 62:[64, 6] Operation: 57-51=6 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 62:[64, 6], Operations: ['81-17=64', '57-51=6'] Exploring Operation: 64+6=70, Resulting Numbers: [70] 70,62 unequal: No Solution Exploring Operation: 64*6=384, Resulting Numbers: [384] 384,62 unequal: No Solution Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,62 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 #0,1,0 Current State: 62:[51, 7], Operations: ['81-17=64', '64-57=7'] Exploring Operation: 51*7=357, Resulting Numbers: [357] 357,62 unequal: No Solution Exploring Operation: 51+7=58, Resulting Numbers: [58] 58,62 unequal: No Solution Exploring Operation: 51-7=44, Resulting Numbers: [44] 44,62 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 #0,1,1 Current State: 62:[57, 13], Operations: ['81-17=64', '64-51=13'] Exploring Operation: 57-13=44, Resulting Numbers: [44] 44,62 unequal: No Solution Exploring Operation: 57*13=741, Resulting Numbers: [741] 741,62 unequal: No Solution Exploring Operation: 57+13=70, Resulting Numbers: [70] 70,62 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: 62:[17, 57, 30], Operations: ['81-51=30'] Exploring Operation: 17+57=74, Resulting Numbers: [30, 74] Generated Node #0,0,0: 62:[30, 74] Operation: 17+57=74 Exploring Operation: 57-17=40, Resulting Numbers: [30, 40] Generated Node #0,0,1: 62:[30, 40] Operation: 57-17=40 Exploring Operation: 30-17=13, Resulting Numbers: [57, 13] Generated Node #0,0,2: 62:[57, 13] Operation: 30-17=13 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 62:[30, 40], Operations: ['81-51=30', '57-17=40'] Exploring Operation: 40-30=10, Resulting Numbers: [10] 10,62 unequal: No Solution Exploring Operation: 30*40=1200, Resulting Numbers: [1200] 1200,62 unequal: No Solution Exploring Operation: 30+40=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 #0,0,0 Current State: 62:[30, 74], Operations: ['81-51=30', '17+57=74'] Exploring Operation: 30*74=2220, Resulting Numbers: [2220] 2220,62 unequal: No Solution Exploring Operation: 30+74=104, Resulting Numbers: [104] 104,62 unequal: No Solution Exploring Operation: 74-30=44, Resulting Numbers: [44] 44,62 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:[57, 13], Operations: ['81-51=30', '30-17=13'] Exploring Operation: 57+13=70, Resulting Numbers: [70] 70,62 unequal: No Solution Exploring Operation: 57-13=44, Resulting Numbers: [44] 44,62 unequal: No Solution Exploring Operation: 57*13=741, Resulting Numbers: [741] 741,62 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: 62:[81, 57, 3], Operations: ['51/17=3'] Exploring Operation: 81-57=24, Resulting Numbers: [3, 24] Generated Node #0,2,0: 62:[3, 24] Operation: 81-57=24 Exploring Operation: 81-3=78, Resulting Numbers: [57, 78] Generated Node #0,2,1: 62:[57, 78] Operation: 81-3=78 Exploring Operation: 81/3=27, Resulting Numbers: [57, 27] Generated Node #0,2,2: 62:[57, 27] Operation: 81/3=27 Moving to Node #0,2,0 Current State: 62:[3, 24], Operations: ['51/17=3', '81-57=24'] Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,62 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,62 unequal: No Solution Moving to Node #0,2,2 Current State: 62:[57, 27], Operations: ['51/17=3', '81/3=27'] Exploring Operation: 57*27=1539, Resulting Numbers: [1539] 1539,62 unequal: No Solution Exploring Operation: 57-27=30, Resulting Numbers: [30] 30,62 unequal: No Solution Exploring Operation: 57+27=84, Resulting Numbers: [84] 84,62 unequal: No Solution Moving to Node #0,2,1 Current State: 62:[57, 78], Operations: ['51/17=3', '81-3=78'] Exploring Operation: 57*78=4446, Resulting Numbers: [4446] 4446,62 unequal: No Solution Exploring Operation: 57+78=135, Resulting Numbers: [135] 135,62 unequal: No Solution Exploring Operation: 78-57=21, Resulting Numbers: [21] 21,62 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 60, 59, 36, 10 ]
46
[ "60-59=1", "36+10=46", "1*46=46" ]
Current State: 46:[60, 59, 36, 10], Operations: [] Exploring Operation: 60-59=1, Resulting Numbers: [36, 10, 1] Generated Node #2: [36, 10, 1] from Operation: 60-59=1 Current State: 46:[36, 10, 1], Operations: ['60-59=1'] Exploring Operation: 36+10=46, Resulting Numbers: [1, 46] Generated Node #3: [1, 46] from Operation: 36+10=46 Current State: 46:[1, 46], Operations: ['60-59=1', '36+10=46'] Exploring Operation: 1*46=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[60, 59, 36, 10], Operations: [] Exploring Operation: 60-36=24, Resulting Numbers: [59, 10, 24] Generated Node #0,0: 46:[59, 10, 24] Operation: 60-36=24 Exploring Operation: 59-36=23, Resulting Numbers: [60, 10, 23] Generated Node #0,1: 46:[60, 10, 23] Operation: 59-36=23 Exploring Operation: 60-10=50, Resulting Numbers: [59, 36, 50] Generated Node #0,2: 46:[59, 36, 50] Operation: 60-10=50 Exploring Operation: 60-59=1, Resulting Numbers: [36, 10, 1] Generated Node #0,3: 46:[36, 10, 1] Operation: 60-59=1 Exploring Operation: 60/10=6, Resulting Numbers: [59, 36, 6] Generated Node #0,4: 46:[59, 36, 6] Operation: 60/10=6 Moving to Node #0,3 Current State: 46:[36, 10, 1], Operations: ['60-59=1'] Exploring Operation: 36-10=26, Resulting Numbers: [1, 26] Generated Node #0,3,0: 46:[1, 26] Operation: 36-10=26 Exploring Operation: 36+10=46, Resulting Numbers: [1, 46] Generated Node #0,3,1: 46:[1, 46] Operation: 36+10=46 Exploring Operation: 10-1=9, Resulting Numbers: [36, 9] Generated Node #0,3,2: 46:[36, 9] Operation: 10-1=9 Exploring Operation: 36+1=37, Resulting Numbers: [10, 37] Generated Node #0,3,3: 46:[10, 37] Operation: 36+1=37 Exploring Operation: 36*1=36, Resulting Numbers: [10, 36] Generated Node #0,3,4: 46:[10, 36] Operation: 36*1=36 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 46:[1, 46], Operations: ['60-59=1', '36+10=46'] Exploring Operation: 46/1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[60, 59, 36, 10], Operations: [] Exploring Operation: 60-59=1, Resulting Numbers: [36, 10, 1] Generated Node #0,3: 46:[36, 10, 1] Operation: 60-59=1 Moving to Node #0,3 Current State: 46:[36, 10, 1], Operations: ['60-59=1'] Exploring Operation: 36+10=46, Resulting Numbers: [1, 46] Generated Node #0,3,1: 46:[1, 46] Operation: 36+10=46 Moving to Node #0,3,1 Current State: 46:[1, 46], Operations: ['60-59=1', '36+10=46'] Exploring Operation: 46/1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 85, 89, 19, 21 ]
87
[ "85+89=174", "21-19=2", "174/2=87" ]
Current State: 87:[85, 89, 19, 21], Operations: [] Exploring Operation: 85+89=174, Resulting Numbers: [19, 21, 174] Generated Node #2: [19, 21, 174] from Operation: 85+89=174 Current State: 87:[19, 21, 174], Operations: ['85+89=174'] Exploring Operation: 21-19=2, Resulting Numbers: [174, 2] Generated Node #3: [174, 2] from Operation: 21-19=2 Current State: 87:[174, 2], Operations: ['85+89=174', '21-19=2'] Exploring Operation: 174/2=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[85, 89, 19, 21], Operations: [] Exploring Operation: 85+19=104, Resulting Numbers: [89, 21, 104] Generated Node #0,0: 87:[89, 21, 104] Operation: 85+19=104 Exploring Operation: 19+21=40, Resulting Numbers: [85, 89, 40] Generated Node #0,1: 87:[85, 89, 40] Operation: 19+21=40 Exploring Operation: 21-19=2, Resulting Numbers: [85, 89, 2] Generated Node #0,2: 87:[85, 89, 2] Operation: 21-19=2 Exploring Operation: 89-85=4, Resulting Numbers: [19, 21, 4] Generated Node #0,3: 87:[19, 21, 4] Operation: 89-85=4 Moving to Node #0,2 Current State: 87:[85, 89, 2], Operations: ['21-19=2'] Exploring Operation: 89-85=4, Resulting Numbers: [2, 4] Generated Node #0,2,0: 87:[2, 4] Operation: 89-85=4 Exploring Operation: 85+2=87, Resulting Numbers: [89, 87] Generated Node #0,2,1: 87:[89, 87] Operation: 85+2=87 Exploring Operation: 85-2=83, Resulting Numbers: [89, 83] Generated Node #0,2,2: 87:[89, 83] Operation: 85-2=83 Exploring Operation: 89-2=87, Resulting Numbers: [85, 87] Generated Node #0,2,3: 87:[85, 87] Operation: 89-2=87 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 87:[2, 4], Operations: ['21-19=2', '89-85=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,87 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,87 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,87 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 87:[89, 87], Operations: ['21-19=2', '85+2=87'] Exploring Operation: 89+87=176, Resulting Numbers: [176] 176,87 unequal: No Solution Exploring Operation: 89*87=7743, Resulting Numbers: [7743] 7743,87 unequal: No Solution Exploring Operation: 89-87=2, Resulting Numbers: [2] 2,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 87:[85, 87], Operations: ['21-19=2', '89-2=87'] Exploring Operation: 85*87=7395, Resulting Numbers: [7395] 7395,87 unequal: No Solution Exploring Operation: 85+87=172, Resulting Numbers: [172] 172,87 unequal: No Solution Exploring Operation: 87-85=2, Resulting Numbers: [2] 2,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 87:[89, 83], Operations: ['21-19=2', '85-2=83'] Exploring Operation: 89+83=172, Resulting Numbers: [172] 172,87 unequal: No Solution Exploring Operation: 89*83=7387, Resulting Numbers: [7387] 7387,87 unequal: No Solution Exploring Operation: 89-83=6, Resulting Numbers: [6] 6,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 87:[85, 89, 40], Operations: ['19+21=40'] Exploring Operation: 89-40=49, Resulting Numbers: [85, 49] Generated Node #0,1,0: 87:[85, 49] Operation: 89-40=49 Exploring Operation: 85-40=45, Resulting Numbers: [89, 45] Generated Node #0,1,1: 87:[89, 45] Operation: 85-40=45 Exploring Operation: 85+40=125, Resulting Numbers: [89, 125] Generated Node #0,1,2: 87:[89, 125] Operation: 85+40=125 Exploring Operation: 89-85=4, Resulting Numbers: [40, 4] Generated Node #0,1,3: 87:[40, 4] Operation: 89-85=4 Moving to Node #0,3 Current State: 87:[19, 21, 4], Operations: ['89-85=4'] Exploring Operation: 21*4=84, Resulting Numbers: [19, 84] Generated Node #0,3,0: 87:[19, 84] Operation: 21*4=84 Exploring Operation: 21-19=2, Resulting Numbers: [4, 2] Generated Node #0,3,1: 87:[4, 2] Operation: 21-19=2 Exploring Operation: 19+21=40, Resulting Numbers: [4, 40] Generated Node #0,3,2: 87:[4, 40] Operation: 19+21=40 Exploring Operation: 19+4=23, Resulting Numbers: [21, 23] Generated Node #0,3,3: 87:[21, 23] Operation: 19+4=23 Moving to Node #0,0 Current State: 87:[89, 21, 104], Operations: ['85+19=104'] Exploring Operation: 89+21=110, Resulting Numbers: [104, 110] Generated Node #0,0,0: 87:[104, 110] Operation: 89+21=110 Exploring Operation: 89-21=68, Resulting Numbers: [104, 68] Generated Node #0,0,1: 87:[104, 68] Operation: 89-21=68 Exploring Operation: 104-21=83, Resulting Numbers: [89, 83] Generated Node #0,0,2: 87:[89, 83] Operation: 104-21=83 Exploring Operation: 104-89=15, Resulting Numbers: [21, 15] Generated Node #0,0,3: 87:[21, 15] Operation: 104-89=15 Moving to Node #0,3,1 Current State: 87:[4, 2], Operations: ['89-85=4', '21-19=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,87 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,87 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,87 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,87 unequal: No Solution Moving to Node #0,0,2 Current State: 87:[89, 83], Operations: ['85+19=104', '104-21=83'] Exploring Operation: 89*83=7387, Resulting Numbers: [7387] 7387,87 unequal: No Solution Exploring Operation: 89+83=172, Resulting Numbers: [172] 172,87 unequal: No Solution Exploring Operation: 89-83=6, Resulting Numbers: [6] 6,87 unequal: No Solution Moving to Node #0,3,2 Current State: 87:[4, 40], Operations: ['89-85=4', '19+21=40'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,87 unequal: No Solution Exploring Operation: 4*40=160, Resulting Numbers: [160] 160,87 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,87 unequal: No Solution Moving to Node #0,1,3 Current State: 87:[40, 4], Operations: ['19+21=40', '89-85=4'] Exploring Operation: 40*4=160, Resulting Numbers: [160] 160,87 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,87 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,87 unequal: No Solution Moving to Node #0,3,0 Current State: 87:[19, 84], Operations: ['89-85=4', '21*4=84'] Exploring Operation: 19+84=103, Resulting Numbers: [103] 103,87 unequal: No Solution Exploring Operation: 84-19=65, Resulting Numbers: [65] 65,87 unequal: No Solution Exploring Operation: 19*84=1596, Resulting Numbers: [1596] 1596,87 unequal: No Solution Moving to Node #0,3,3 Current State: 87:[21, 23], Operations: ['89-85=4', '19+4=23'] Exploring Operation: 21+23=44, Resulting Numbers: [44] 44,87 unequal: No Solution Exploring Operation: 21*23=483, Resulting Numbers: [483] 483,87 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[89, 45], Operations: ['19+21=40', '85-40=45'] Exploring Operation: 89+45=134, Resulting Numbers: [134] 134,87 unequal: No Solution Exploring Operation: 89*45=4005, Resulting Numbers: [4005] 4005,87 unequal: No Solution Exploring Operation: 89-45=44, Resulting Numbers: [44] 44,87 unequal: No Solution Moving to Node #0,0,3 Current State: 87:[21, 15], Operations: ['85+19=104', '104-89=15'] Exploring Operation: 21*15=315, Resulting Numbers: [315] 315,87 unequal: No Solution Exploring Operation: 21+15=36, Resulting Numbers: [36] 36,87 unequal: No Solution Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,87 unequal: No Solution Moving to Node #0,1,0 Current State: 87:[85, 49], Operations: ['19+21=40', '89-40=49'] Exploring Operation: 85+49=134, Resulting Numbers: [134] 134,87 unequal: No Solution Exploring Operation: 85-49=36, Resulting Numbers: [36] 36,87 unequal: No Solution Exploring Operation: 85*49=4165, Resulting Numbers: [4165] 4165,87 unequal: No Solution Moving to Node #0,0,1 Current State: 87:[104, 68], Operations: ['85+19=104', '89-21=68'] Exploring Operation: 104+68=172, Resulting Numbers: [172] 172,87 unequal: No Solution Exploring Operation: 104-68=36, Resulting Numbers: [36] 36,87 unequal: No Solution Exploring Operation: 104*68=7072, Resulting Numbers: [7072] 7072,87 unequal: No Solution Moving to Node #0,0,0 Current State: 87:[104, 110], Operations: ['85+19=104', '89+21=110'] Exploring Operation: 104*110=11440, Resulting Numbers: [11440] 11440,87 unequal: No Solution Exploring Operation: 110-104=6, Resulting Numbers: [6] 6,87 unequal: No Solution Exploring Operation: 104+110=214, Resulting Numbers: [214] 214,87 unequal: No Solution Moving to Node #0,1,2 Current State: 87:[89, 125], Operations: ['19+21=40', '85+40=125'] Exploring Operation: 89+125=214, Resulting Numbers: [214] 214,87 unequal: No Solution Exploring Operation: 89*125=11125, Resulting Numbers: [11125] 11125,87 unequal: No Solution Exploring Operation: 125-89=36, Resulting Numbers: [36] 36,87 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 49, 55, 39, 70 ]
37
[ "55-49=6", "70-39=31", "6+31=37" ]
Current State: 37:[49, 55, 39, 70], Operations: [] Exploring Operation: 55-49=6, Resulting Numbers: [39, 70, 6] Generated Node #2: [39, 70, 6] from Operation: 55-49=6 Current State: 37:[39, 70, 6], Operations: ['55-49=6'] Exploring Operation: 70-39=31, Resulting Numbers: [6, 31] Generated Node #3: [6, 31] from Operation: 70-39=31 Current State: 37:[6, 31], Operations: ['55-49=6', '70-39=31'] Exploring Operation: 6+31=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[49, 55, 39, 70], Operations: [] Exploring Operation: 70-49=21, Resulting Numbers: [55, 39, 21] Generated Node #0,0: 37:[55, 39, 21] Operation: 70-49=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[55, 39, 21], Operations: ['70-49=21'] Exploring Operation: 55-21=34, Resulting Numbers: [39, 34] Generated Node #0,0,0: 37:[39, 34] Operation: 55-21=34 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[39, 34], Operations: ['70-49=21', '55-21=34'] Exploring Operation: 39-34=5, Resulting Numbers: [5] 5,37 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_1
sum_heuristic
[ 83, 37, 59, 39 ]
22
[ "83+37=120", "59+39=98", "120-98=22" ]
Current State: 22:[83, 37, 59, 39], Operations: [] Exploring Operation: 83+37=120, Resulting Numbers: [59, 39, 120] Generated Node #2: [59, 39, 120] from Operation: 83+37=120 Current State: 22:[59, 39, 120], Operations: ['83+37=120'] Exploring Operation: 59+39=98, Resulting Numbers: [120, 98] Generated Node #3: [120, 98] from Operation: 59+39=98 Current State: 22:[120, 98], Operations: ['83+37=120', '59+39=98'] Exploring Operation: 120-98=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[83, 37, 59, 39], Operations: [] Exploring Operation: 83-59=24, Resulting Numbers: [37, 39, 24] Generated Node #0,0: 22:[37, 39, 24] Operation: 83-59=24 Exploring Operation: 83-37=46, Resulting Numbers: [59, 39, 46] Generated Node #0,1: 22:[59, 39, 46] Operation: 83-37=46 Exploring Operation: 83-39=44, Resulting Numbers: [37, 59, 44] Generated Node #0,2: 22:[37, 59, 44] Operation: 83-39=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[37, 39, 24], Operations: ['83-59=24'] Exploring Operation: 37-24=13, Resulting Numbers: [39, 13] Generated Node #0,0,0: 22:[39, 13] Operation: 37-24=13 Exploring Operation: 39-37=2, Resulting Numbers: [24, 2] Generated Node #0,0,1: 22:[24, 2] Operation: 39-37=2 Exploring Operation: 39-24=15, Resulting Numbers: [37, 15] Generated Node #0,0,2: 22:[37, 15] Operation: 39-24=15 Moving to Node #0,0,1 Current State: 22:[24, 2], Operations: ['83-59=24', '39-37=2'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,22 unequal: No Solution Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,22 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[83, 37, 59, 39], Operations: [] Exploring Operation: 83-59=24, Resulting Numbers: [37, 39, 24] Generated Node #0,0: 22:[37, 39, 24] Operation: 83-59=24 Moving to Node #0,0 Current State: 22:[37, 39, 24], Operations: ['83-59=24'] Exploring Operation: 39-37=2, Resulting Numbers: [24, 2] Generated Node #0,0,1: 22:[24, 2] Operation: 39-37=2 Moving to Node #0,0,1 Current State: 22:[24, 2], Operations: ['83-59=24', '39-37=2'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 76, 20, 64, 54 ]
81
[ "76+20=96", "54*96=5184", "5184/64=81" ]
Current State: 81:[76, 20, 64, 54], Operations: [] Exploring Operation: 76+20=96, Resulting Numbers: [64, 54, 96] Generated Node #2: [64, 54, 96] from Operation: 76+20=96 Current State: 81:[64, 54, 96], Operations: ['76+20=96'] Exploring Operation: 54*96=5184, Resulting Numbers: [64, 5184] Generated Node #3: [64, 5184] from Operation: 54*96=5184 Current State: 81:[64, 5184], Operations: ['76+20=96', '54*96=5184'] Exploring Operation: 5184/64=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[76, 20, 64, 54], Operations: [] Exploring Operation: 76-54=22, Resulting Numbers: [20, 64, 22] Generated Node #0,0: 81:[20, 64, 22] Operation: 76-54=22 Exploring Operation: 64-54=10, Resulting Numbers: [76, 20, 10] Generated Node #0,1: 81:[76, 20, 10] Operation: 64-54=10 Exploring Operation: 20+54=74, Resulting Numbers: [76, 64, 74] Generated Node #0,2: 81:[76, 64, 74] Operation: 20+54=74 Moving to Node #0,1 Current State: 81:[76, 20, 10], Operations: ['64-54=10'] Exploring Operation: 20-10=10, Resulting Numbers: [76, 10] Generated Node #0,1,0: 81:[76, 10] Operation: 20-10=10 Exploring Operation: 20+10=30, Resulting Numbers: [76, 30] Generated Node #0,1,1: 81:[76, 30] Operation: 20+10=30 Exploring Operation: 20/10=2, Resulting Numbers: [76, 2] Generated Node #0,1,2: 81:[76, 2] Operation: 20/10=2 Moving to Node #0,0 Current State: 81:[20, 64, 22], Operations: ['76-54=22'] Exploring Operation: 64+22=86, Resulting Numbers: [20, 86] Generated Node #0,0,0: 81:[20, 86] Operation: 64+22=86 Exploring Operation: 20+64=84, Resulting Numbers: [22, 84] Generated Node #0,0,1: 81:[22, 84] Operation: 20+64=84 Exploring Operation: 22-20=2, Resulting Numbers: [64, 2] Generated Node #0,0,2: 81:[64, 2] Operation: 22-20=2 Moving to Node #0,2 Current State: 81:[76, 64, 74], Operations: ['20+54=74'] Exploring Operation: 76-74=2, Resulting Numbers: [64, 2] Generated Node #0,2,0: 81:[64, 2] Operation: 76-74=2 Exploring Operation: 76-64=12, Resulting Numbers: [74, 12] Generated Node #0,2,1: 81:[74, 12] Operation: 76-64=12 Exploring Operation: 74-64=10, Resulting Numbers: [76, 10] Generated Node #0,2,2: 81:[76, 10] Operation: 74-64=10 Moving to Node #0,1,0 Current State: 81:[76, 10], Operations: ['64-54=10', '20-10=10'] Exploring Operation: 76+10=86, Resulting Numbers: [86] 86,81 unequal: No Solution Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,81 unequal: No Solution Exploring Operation: 76*10=760, Resulting Numbers: [760] 760,81 unequal: No Solution Moving to Node #0,2,2 Current State: 81:[76, 10], Operations: ['20+54=74', '74-64=10'] Exploring Operation: 76+10=86, Resulting Numbers: [86] 86,81 unequal: No Solution Exploring Operation: 76*10=760, Resulting Numbers: [760] 760,81 unequal: No Solution Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[76, 2], Operations: ['64-54=10', '20/10=2'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,81 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[76, 30], Operations: ['64-54=10', '20+10=30'] Exploring Operation: 76+30=106, Resulting Numbers: [106] 106,81 unequal: No Solution Exploring Operation: 76*30=2280, Resulting Numbers: [2280] 2280,81 unequal: No Solution Exploring Operation: 76-30=46, Resulting Numbers: [46] 46,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[22, 84], Operations: ['76-54=22', '20+64=84'] Exploring Operation: 84-22=62, Resulting Numbers: [62] 62,81 unequal: No Solution Exploring Operation: 22*84=1848, Resulting Numbers: [1848] 1848,81 unequal: No Solution Exploring Operation: 22+84=106, Resulting Numbers: [106] 106,81 unequal: No Solution Moving to Node #0,2,1 Current State: 81:[74, 12], Operations: ['20+54=74', '76-64=12'] Exploring Operation: 74*12=888, Resulting Numbers: [888] 888,81 unequal: No Solution Exploring Operation: 74-12=62, Resulting Numbers: [62] 62,81 unequal: No Solution Exploring Operation: 74+12=86, Resulting Numbers: [86] 86,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[20, 86], Operations: ['76-54=22', '64+22=86'] Exploring Operation: 20+86=106, Resulting Numbers: [106] 106,81 unequal: No Solution Exploring Operation: 86-20=66, Resulting Numbers: [66] 66,81 unequal: No Solution Exploring Operation: 20*86=1720, Resulting Numbers: [1720] 1720,81 unequal: No Solution Moving to Node #0,2,0 Current State: 81:[64, 2], Operations: ['20+54=74', '76-74=2'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,81 unequal: No Solution Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,81 unequal: No Solution Moving to Node #0,0,2 Current State: 81:[64, 2], Operations: ['76-54=22', '22-20=2'] Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,81 unequal: No Solution Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,81 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 36, 39, 31, 43 ]
71
[ "36*39=1404", "31*43=1333", "1404-1333=71" ]
Current State: 71:[36, 39, 31, 43], Operations: [] Exploring Operation: 36*39=1404, Resulting Numbers: [31, 43, 1404] Generated Node #2: [31, 43, 1404] from Operation: 36*39=1404 Current State: 71:[31, 43, 1404], Operations: ['36*39=1404'] Exploring Operation: 31*43=1333, Resulting Numbers: [1404, 1333] Generated Node #3: [1404, 1333] from Operation: 31*43=1333 Current State: 71:[1404, 1333], Operations: ['36*39=1404', '31*43=1333'] Exploring Operation: 1404-1333=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[36, 39, 31, 43], Operations: [] Exploring Operation: 31+43=74, Resulting Numbers: [36, 39, 74] Generated Node #0,0: 71:[36, 39, 74] Operation: 31+43=74 Exploring Operation: 36+43=79, Resulting Numbers: [39, 31, 79] Generated Node #0,1: 71:[39, 31, 79] Operation: 36+43=79 Exploring Operation: 39+31=70, Resulting Numbers: [36, 43, 70] Generated Node #0,2: 71:[36, 43, 70] Operation: 39+31=70 Exploring Operation: 36+39=75, Resulting Numbers: [31, 43, 75] Generated Node #0,3: 71:[31, 43, 75] Operation: 36+39=75 Exploring Operation: 36+31=67, Resulting Numbers: [39, 43, 67] Generated Node #0,4: 71:[39, 43, 67] Operation: 36+31=67 Moving to Node #0,2 Current State: 71:[36, 43, 70], Operations: ['39+31=70'] Exploring Operation: 43-36=7, Resulting Numbers: [70, 7] Generated Node #0,2,0: 71:[70, 7] Operation: 43-36=7 Exploring Operation: 36+43=79, Resulting Numbers: [70, 79] Generated Node #0,2,1: 71:[70, 79] Operation: 36+43=79 Exploring Operation: 43+70=113, Resulting Numbers: [36, 113] Generated Node #0,2,2: 71:[36, 113] Operation: 43+70=113 Exploring Operation: 36+70=106, Resulting Numbers: [43, 106] Generated Node #0,2,3: 71:[43, 106] Operation: 36+70=106 Exploring Operation: 70-36=34, Resulting Numbers: [43, 34] Generated Node #0,2,4: 71:[43, 34] Operation: 70-36=34 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 71:[70, 79], Operations: ['39+31=70', '36+43=79'] Exploring Operation: 79-70=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 70+79=149, Resulting Numbers: [149] 149,71 unequal: No Solution Exploring Operation: 70*79=5530, Resulting Numbers: [5530] 5530,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 71:[43, 106], Operations: ['39+31=70', '36+70=106'] Exploring Operation: 106-43=63, Resulting Numbers: [63] 63,71 unequal: No Solution Exploring Operation: 43+106=149, Resulting Numbers: [149] 149,71 unequal: No Solution Exploring Operation: 43*106=4558, Resulting Numbers: [4558] 4558,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 71:[70, 7], Operations: ['39+31=70', '43-36=7'] Exploring Operation: 70*7=490, Resulting Numbers: [490] 490,71 unequal: No Solution Exploring Operation: 70-7=63, Resulting Numbers: [63] 63,71 unequal: No Solution Exploring Operation: 70+7=77, Resulting Numbers: [77] 77,71 unequal: No Solution Exploring Operation: 70/7=10, Resulting Numbers: [10] 10,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 71:[43, 34], Operations: ['39+31=70', '70-36=34'] Exploring Operation: 43+34=77, Resulting Numbers: [77] 77,71 unequal: No Solution Exploring Operation: 43-34=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 43*34=1462, Resulting Numbers: [1462] 1462,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 71:[36, 113], Operations: ['39+31=70', '43+70=113'] Exploring Operation: 36+113=149, Resulting Numbers: [149] 149,71 unequal: No Solution Exploring Operation: 113-36=77, Resulting Numbers: [77] 77,71 unequal: No Solution Exploring Operation: 36*113=4068, Resulting Numbers: [4068] 4068,71 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: 71:[39, 43, 67], Operations: ['36+31=67'] Exploring Operation: 67-39=28, Resulting Numbers: [43, 28] Generated Node #0,4,0: 71:[43, 28] Operation: 67-39=28 Exploring Operation: 43+67=110, Resulting Numbers: [39, 110] Generated Node #0,4,1: 71:[39, 110] Operation: 43+67=110 Exploring Operation: 39+67=106, Resulting Numbers: [43, 106] Generated Node #0,4,2: 71:[43, 106] Operation: 39+67=106 Exploring Operation: 43-39=4, Resulting Numbers: [67, 4] Generated Node #0,4,3: 71:[67, 4] Operation: 43-39=4 Exploring Operation: 39+43=82, Resulting Numbers: [67, 82] Generated Node #0,4,4: 71:[67, 82] Operation: 39+43=82 Moving to Node #0,0 Current State: 71:[36, 39, 74], Operations: ['31+43=74'] Exploring Operation: 36+39=75, Resulting Numbers: [74, 75] Generated Node #0,0,0: 71:[74, 75] Operation: 36+39=75 Exploring Operation: 74-39=35, Resulting Numbers: [36, 35] Generated Node #0,0,1: 71:[36, 35] Operation: 74-39=35 Exploring Operation: 39-36=3, Resulting Numbers: [74, 3] Generated Node #0,0,2: 71:[74, 3] Operation: 39-36=3 Exploring Operation: 36+74=110, Resulting Numbers: [39, 110] Generated Node #0,0,3: 71:[39, 110] Operation: 36+74=110 Exploring Operation: 74-36=38, Resulting Numbers: [39, 38] Generated Node #0,0,4: 71:[39, 38] Operation: 74-36=38 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[74, 75], Operations: ['31+43=74', '36+39=75'] Exploring Operation: 74*75=5550, Resulting Numbers: [5550] 5550,71 unequal: No Solution Exploring Operation: 75-74=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 74+75=149, Resulting Numbers: [149] 149,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 71:[39, 38], Operations: ['31+43=74', '74-36=38'] Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 39*38=1482, Resulting Numbers: [1482] 1482,71 unequal: No Solution Exploring Operation: 39+38=77, Resulting Numbers: [77] 77,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[36, 35], Operations: ['31+43=74', '74-39=35'] Exploring Operation: 36+35=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[36, 39, 31, 43], Operations: [] Exploring Operation: 31+43=74, Resulting Numbers: [36, 39, 74] Generated Node #0,0: 71:[36, 39, 74] Operation: 31+43=74 Moving to Node #0,0 Current State: 71:[36, 39, 74], Operations: ['31+43=74'] Exploring Operation: 74-39=35, Resulting Numbers: [36, 35] Generated Node #0,0,1: 71:[36, 35] Operation: 74-39=35 Moving to Node #0,0,1 Current State: 71:[36, 35], Operations: ['31+43=74', '74-39=35'] Exploring Operation: 36+35=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.959201
hs_5
mult_heuristic
[ 58, 63, 66, 69 ]
35
[ "66-63=3", "69/3=23", "58-23=35" ]
Current State: 35:[58, 63, 66, 69], Operations: [] Exploring Operation: 66-63=3, Resulting Numbers: [58, 69, 3] Generated Node #2: [58, 69, 3] from Operation: 66-63=3 Current State: 35:[58, 69, 3], Operations: ['66-63=3'] Exploring Operation: 69/3=23, Resulting Numbers: [58, 23] Generated Node #3: [58, 23] from Operation: 69/3=23 Current State: 35:[58, 23], Operations: ['66-63=3', '69/3=23'] Exploring Operation: 58-23=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[58, 63, 66, 69], Operations: [] Exploring Operation: 69-66=3, Resulting Numbers: [58, 63, 3] Generated Node #0,0: 35:[58, 63, 3] Operation: 69-66=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[58, 63, 3], Operations: ['69-66=3'] Exploring Operation: 63-58=5, Resulting Numbers: [3, 5] Generated Node #0,0,0: 35:[3, 5] Operation: 63-58=5 Moving to Node #0,0,0 Current State: 35:[3, 5], Operations: ['69-66=3', '63-58=5'] Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,35 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
[ 26, 21, 10, 60 ]
55
[ "26-21=5", "60-10=50", "5+50=55" ]
Current State: 55:[26, 21, 10, 60], Operations: [] Exploring Operation: 26-21=5, Resulting Numbers: [10, 60, 5] Generated Node #2: [10, 60, 5] from Operation: 26-21=5 Current State: 55:[10, 60, 5], Operations: ['26-21=5'] Exploring Operation: 60-10=50, Resulting Numbers: [5, 50] Generated Node #3: [5, 50] from Operation: 60-10=50 Current State: 55:[5, 50], Operations: ['26-21=5', '60-10=50'] Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[26, 21, 10, 60], Operations: [] Exploring Operation: 26-21=5, Resulting Numbers: [10, 60, 5] Generated Node #0,0: 55:[10, 60, 5] Operation: 26-21=5 Exploring Operation: 26-10=16, Resulting Numbers: [21, 60, 16] Generated Node #0,1: 55:[21, 60, 16] Operation: 26-10=16 Exploring Operation: 60/10=6, Resulting Numbers: [26, 21, 6] Generated Node #0,2: 55:[26, 21, 6] Operation: 60/10=6 Exploring Operation: 26+21=47, Resulting Numbers: [10, 60, 47] Generated Node #0,3: 55:[10, 60, 47] Operation: 26+21=47 Exploring Operation: 21-10=11, Resulting Numbers: [26, 60, 11] Generated Node #0,4: 55:[26, 60, 11] Operation: 21-10=11 Moving to Node #0,0 Current State: 55:[10, 60, 5], Operations: ['26-21=5'] Exploring Operation: 60-10=50, Resulting Numbers: [5, 50] Generated Node #0,0,0: 55:[5, 50] Operation: 60-10=50 Exploring Operation: 60/10=6, Resulting Numbers: [5, 6] Generated Node #0,0,1: 55:[5, 6] Operation: 60/10=6 Exploring Operation: 60/5=12, Resulting Numbers: [10, 12] Generated Node #0,0,2: 55:[10, 12] Operation: 60/5=12 Exploring Operation: 10-5=5, Resulting Numbers: [60, 5] Generated Node #0,0,3: 55:[60, 5] Operation: 10-5=5 Exploring Operation: 60-5=55, Resulting Numbers: [10, 55] Generated Node #0,0,4: 55:[10, 55] Operation: 60-5=55 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 55:[5, 6], Operations: ['26-21=5', '60/10=6'] Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,55 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,55 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 55:[10, 55], Operations: ['26-21=5', '60-5=55'] Exploring Operation: 55-10=45, Resulting Numbers: [45] 45,55 unequal: No Solution Exploring Operation: 10+55=65, Resulting Numbers: [65] 65,55 unequal: No Solution Exploring Operation: 10*55=550, Resulting Numbers: [550] 550,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 55:[10, 12], Operations: ['26-21=5', '60/5=12'] Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 10+12=22, Resulting Numbers: [22] 22,55 unequal: No Solution Exploring Operation: 10*12=120, Resulting Numbers: [120] 120,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 55:[5, 50], Operations: ['26-21=5', '60-10=50'] Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,55 unequal: No Solution Exploring Operation: 5*50=250, Resulting Numbers: [250] 250,55 unequal: No Solution Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[26, 21, 10, 60], Operations: [] Exploring Operation: 26-21=5, Resulting Numbers: [10, 60, 5] Generated Node #0,0: 55:[10, 60, 5] Operation: 26-21=5 Moving to Node #0,0 Current State: 55:[10, 60, 5], Operations: ['26-21=5'] Exploring Operation: 60-10=50, Resulting Numbers: [5, 50] Generated Node #0,0,0: 55:[5, 50] Operation: 60-10=50 Moving to Node #0,0,0 Current State: 55:[5, 50], Operations: ['26-21=5', '60-10=50'] Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
mult_heuristic
[ 53, 60, 4, 8 ]
38
[ "8-4=4", "60/4=15", "53-15=38" ]
Current State: 38:[53, 60, 4, 8], Operations: [] Exploring Operation: 8-4=4, Resulting Numbers: [53, 60, 4] Generated Node #2: [53, 60, 4] from Operation: 8-4=4 Current State: 38:[53, 60, 4], Operations: ['8-4=4'] Exploring Operation: 60/4=15, Resulting Numbers: [53, 15] Generated Node #3: [53, 15] from Operation: 60/4=15 Current State: 38:[53, 15], Operations: ['8-4=4', '60/4=15'] Exploring Operation: 53-15=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[53, 60, 4, 8], Operations: [] Exploring Operation: 53-8=45, Resulting Numbers: [60, 4, 45] Generated Node #0,0: 38:[60, 4, 45] Operation: 53-8=45 Exploring Operation: 60-53=7, Resulting Numbers: [4, 8, 7] Generated Node #0,1: 38:[4, 8, 7] Operation: 60-53=7 Exploring Operation: 60/4=15, Resulting Numbers: [53, 8, 15] Generated Node #0,2: 38:[53, 8, 15] Operation: 60/4=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[4, 8, 7], Operations: ['60-53=7'] Exploring Operation: 8-7=1, Resulting Numbers: [4, 1] Generated Node #0,1,0: 38:[4, 1] Operation: 8-7=1 Exploring Operation: 8+7=15, Resulting Numbers: [4, 15] Generated Node #0,1,1: 38:[4, 15] Operation: 8+7=15 Exploring Operation: 8/4=2, Resulting Numbers: [7, 2] Generated Node #0,1,2: 38:[7, 2] Operation: 8/4=2 Moving to Node #0,1,0 Current State: 38:[4, 1], Operations: ['60-53=7', '8-7=1'] Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,38 unequal: No Solution Moving to Node #0,1,2 Current State: 38:[7, 2], Operations: ['60-53=7', '8/4=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,38 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,38 unequal: No Solution Moving to Node #0,1,1 Current State: 38:[4, 15], Operations: ['60-53=7', '8+7=15'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,38 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,38 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 38:[53, 8, 15], Operations: ['60/4=15'] Exploring Operation: 53-15=38, Resulting Numbers: [8, 38] Generated Node #0,2,0: 38:[8, 38] Operation: 53-15=38 Exploring Operation: 53-8=45, Resulting Numbers: [15, 45] Generated Node #0,2,1: 38:[15, 45] Operation: 53-8=45 Exploring Operation: 8+15=23, Resulting Numbers: [53, 23] Generated Node #0,2,2: 38:[53, 23] Operation: 8+15=23 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 38:[8, 38], Operations: ['60/4=15', '53-15=38'] Exploring Operation: 8*38=304, Resulting Numbers: [304] 304,38 unequal: No Solution Exploring Operation: 8+38=46, Resulting Numbers: [46] 46,38 unequal: No Solution Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,38 unequal: No Solution No 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: 38:[15, 45], Operations: ['60/4=15', '53-8=45'] Exploring Operation: 15+45=60, Resulting Numbers: [60] 60,38 unequal: No Solution Exploring Operation: 45/15=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 45-15=30, Resulting Numbers: [30] 30,38 unequal: No Solution No 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: 38:[53, 23], Operations: ['60/4=15', '8+15=23'] Exploring Operation: 53*23=1219, Resulting Numbers: [1219] 1219,38 unequal: No Solution Exploring Operation: 53+23=76, Resulting Numbers: [76] 76,38 unequal: No Solution Exploring Operation: 53-23=30, Resulting Numbers: [30] 30,38 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: 38:[60, 4, 45], Operations: ['53-8=45'] Exploring Operation: 60-45=15, Resulting Numbers: [4, 15] Generated Node #0,0,0: 38:[4, 15] Operation: 60-45=15 Exploring Operation: 60-4=56, Resulting Numbers: [45, 56] Generated Node #0,0,1: 38:[45, 56] Operation: 60-4=56 Exploring Operation: 60/4=15, Resulting Numbers: [45, 15] Generated Node #0,0,2: 38:[45, 15] Operation: 60/4=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 38:[4, 15], Operations: ['53-8=45', '60-45=15'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,38 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,38 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,38 unequal: No Solution No 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: 38:[45, 15], Operations: ['53-8=45', '60/4=15'] Exploring Operation: 45/15=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 45-15=30, Resulting Numbers: [30] 30,38 unequal: No Solution Exploring Operation: 45+15=60, Resulting Numbers: [60] 60,38 unequal: No Solution No 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: 38:[45, 56], Operations: ['53-8=45', '60-4=56'] Exploring Operation: 56-45=11, Resulting Numbers: [11] 11,38 unequal: No Solution Exploring Operation: 45*56=2520, Resulting Numbers: [2520] 2520,38 unequal: No Solution Exploring Operation: 45+56=101, Resulting Numbers: [101] 101,38 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
[ 38, 29, 75, 31 ]
35
[ "38-29=9", "75-31=44", "44-9=35" ]
Current State: 35:[38, 29, 75, 31], Operations: [] Exploring Operation: 38-29=9, Resulting Numbers: [75, 31, 9] Generated Node #2: [75, 31, 9] from Operation: 38-29=9 Current State: 35:[75, 31, 9], Operations: ['38-29=9'] Exploring Operation: 75-31=44, Resulting Numbers: [9, 44] Generated Node #3: [9, 44] from Operation: 75-31=44 Current State: 35:[9, 44], Operations: ['38-29=9', '75-31=44'] Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[38, 29, 75, 31], Operations: [] Exploring Operation: 75-29=46, Resulting Numbers: [38, 31, 46] Generated Node #0,0: 35:[38, 31, 46] Operation: 75-29=46 Exploring Operation: 75-38=37, Resulting Numbers: [29, 31, 37] Generated Node #0,1: 35:[29, 31, 37] Operation: 75-38=37 Exploring Operation: 38-31=7, Resulting Numbers: [29, 75, 7] Generated Node #0,2: 35:[29, 75, 7] Operation: 38-31=7 Exploring Operation: 75-31=44, Resulting Numbers: [38, 29, 44] Generated Node #0,3: 35:[38, 29, 44] Operation: 75-31=44 Exploring Operation: 38-29=9, Resulting Numbers: [75, 31, 9] Generated Node #0,4: 35:[75, 31, 9] Operation: 38-29=9 Moving to Node #0,1 Current State: 35:[29, 31, 37], Operations: ['75-38=37'] Exploring Operation: 37-29=8, Resulting Numbers: [31, 8] Generated Node #0,1,0: 35:[31, 8] Operation: 37-29=8 Exploring Operation: 29+37=66, Resulting Numbers: [31, 66] Generated Node #0,1,1: 35:[31, 66] Operation: 29+37=66 Exploring Operation: 31-29=2, Resulting Numbers: [37, 2] Generated Node #0,1,2: 35:[37, 2] Operation: 31-29=2 Exploring Operation: 37-31=6, Resulting Numbers: [29, 6] Generated Node #0,1,3: 35:[29, 6] Operation: 37-31=6 Exploring Operation: 29+31=60, Resulting Numbers: [37, 60] Generated Node #0,1,4: 35:[37, 60] Operation: 29+31=60 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[31, 8], Operations: ['75-38=37', '37-29=8'] Exploring Operation: 31*8=248, Resulting Numbers: [248] 248,35 unequal: No Solution Exploring Operation: 31+8=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 35:[37, 2], Operations: ['75-38=37', '31-29=2'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[38, 29, 75, 31], Operations: [] Exploring Operation: 75-38=37, Resulting Numbers: [29, 31, 37] Generated Node #0,1: 35:[29, 31, 37] Operation: 75-38=37 Moving to Node #0,1 Current State: 35:[29, 31, 37], Operations: ['75-38=37'] Exploring Operation: 31-29=2, Resulting Numbers: [37, 2] Generated Node #0,1,2: 35:[37, 2] Operation: 31-29=2 Moving to Node #0,1,2 Current State: 35:[37, 2], Operations: ['75-38=37', '31-29=2'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 9, 19, 78, 52 ]
36
[ "19-9=10", "78-52=26", "10+26=36" ]
Current State: 36:[9, 19, 78, 52], Operations: [] Exploring Operation: 19-9=10, Resulting Numbers: [78, 52, 10] Generated Node #2: [78, 52, 10] from Operation: 19-9=10 Current State: 36:[78, 52, 10], Operations: ['19-9=10'] Exploring Operation: 78-52=26, Resulting Numbers: [10, 26] Generated Node #3: [10, 26] from Operation: 78-52=26 Current State: 36:[10, 26], Operations: ['19-9=10', '78-52=26'] Exploring Operation: 10+26=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[9, 19, 78, 52], Operations: [] Exploring Operation: 78-52=26, Resulting Numbers: [9, 19, 26] Generated Node #0,0: 36:[9, 19, 26] Operation: 78-52=26 Exploring Operation: 78-19=59, Resulting Numbers: [9, 52, 59] Generated Node #0,1: 36:[9, 52, 59] Operation: 78-19=59 Exploring Operation: 52-19=33, Resulting Numbers: [9, 78, 33] Generated Node #0,2: 36:[9, 78, 33] Operation: 52-19=33 Exploring Operation: 78-9=69, Resulting Numbers: [19, 52, 69] Generated Node #0,3: 36:[19, 52, 69] Operation: 78-9=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[9, 19, 26], Operations: ['78-52=26'] Exploring Operation: 26-9=17, Resulting Numbers: [19, 17] Generated Node #0,0,0: 36:[19, 17] Operation: 26-9=17 Exploring Operation: 19-9=10, Resulting Numbers: [26, 10] Generated Node #0,0,1: 36:[26, 10] Operation: 19-9=10 Exploring Operation: 26-19=7, Resulting Numbers: [9, 7] Generated Node #0,0,2: 36:[9, 7] Operation: 26-19=7 Exploring Operation: 9+26=35, Resulting Numbers: [19, 35] Generated Node #0,0,3: 36:[19, 35] Operation: 9+26=35 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 36:[9, 7], Operations: ['78-52=26', '26-19=7'] Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,36 unequal: No Solution Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 36:[19, 17], Operations: ['78-52=26', '26-9=17'] Exploring Operation: 19*17=323, Resulting Numbers: [323] 323,36 unequal: No Solution Exploring Operation: 19+17=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[9, 19, 78, 52], Operations: [] Exploring Operation: 78-52=26, Resulting Numbers: [9, 19, 26] Generated Node #0,0: 36:[9, 19, 26] Operation: 78-52=26 Moving to Node #0,0 Current State: 36:[9, 19, 26], Operations: ['78-52=26'] Exploring Operation: 26-9=17, Resulting Numbers: [19, 17] Generated Node #0,0,0: 36:[19, 17] Operation: 26-9=17 Moving to Node #0,0,0 Current State: 36:[19, 17], Operations: ['78-52=26', '26-9=17'] Exploring Operation: 19+17=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 3, 75, 23, 29 ]
66
[ "75-3=72", "29-23=6", "72-6=66" ]
Current State: 66:[3, 75, 23, 29], Operations: [] Exploring Operation: 75-3=72, Resulting Numbers: [23, 29, 72] Generated Node #2: [23, 29, 72] from Operation: 75-3=72 Current State: 66:[23, 29, 72], Operations: ['75-3=72'] Exploring Operation: 29-23=6, Resulting Numbers: [72, 6] Generated Node #3: [72, 6] from Operation: 29-23=6 Current State: 66:[72, 6], Operations: ['75-3=72', '29-23=6'] Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[3, 75, 23, 29], Operations: [] Exploring Operation: 29-23=6, Resulting Numbers: [3, 75, 6] Generated Node #0,0: 66:[3, 75, 6] Operation: 29-23=6 Exploring Operation: 75/3=25, Resulting Numbers: [23, 29, 25] Generated Node #0,1: 66:[23, 29, 25] Operation: 75/3=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[23, 29, 25], Operations: ['75/3=25'] Exploring Operation: 29-23=6, Resulting Numbers: [25, 6] Generated Node #0,1,0: 66:[25, 6] Operation: 29-23=6 Exploring Operation: 29-25=4, Resulting Numbers: [23, 4] Generated Node #0,1,1: 66:[23, 4] Operation: 29-25=4 Moving to Node #0,1,1 Current State: 66:[23, 4], Operations: ['75/3=25', '29-25=4'] Exploring Operation: 23+4=27, Resulting Numbers: [27] 27,66 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,66 unequal: No Solution Moving to Node #0,1,0 Current State: 66:[25, 6], Operations: ['75/3=25', '29-23=6'] Exploring Operation: 25+6=31, Resulting Numbers: [31] 31,66 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[3, 75, 6], Operations: ['29-23=6'] Exploring Operation: 75-6=69, Resulting Numbers: [3, 69] Generated Node #0,0,0: 66:[3, 69] Operation: 75-6=69 Exploring Operation: 75/3=25, Resulting Numbers: [6, 25] Generated Node #0,0,1: 66:[6, 25] Operation: 75/3=25 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[3, 69], Operations: ['29-23=6', '75-6=69'] Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[3, 75, 23, 29], Operations: [] Exploring Operation: 29-23=6, Resulting Numbers: [3, 75, 6] Generated Node #0,0: 66:[3, 75, 6] Operation: 29-23=6 Moving to Node #0,0 Current State: 66:[3, 75, 6], Operations: ['29-23=6'] Exploring Operation: 75-6=69, Resulting Numbers: [3, 69] Generated Node #0,0,0: 66:[3, 69] Operation: 75-6=69 Moving to Node #0,0,0 Current State: 66:[3, 69], Operations: ['29-23=6', '75-6=69'] Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 46, 57, 26, 9 ]
13
[ "57-46=11", "11-9=2", "26/2=13" ]
Current State: 13:[46, 57, 26, 9], Operations: [] Exploring Operation: 57-46=11, Resulting Numbers: [26, 9, 11] Generated Node #2: [26, 9, 11] from Operation: 57-46=11 Current State: 13:[26, 9, 11], Operations: ['57-46=11'] Exploring Operation: 11-9=2, Resulting Numbers: [26, 2] Generated Node #3: [26, 2] from Operation: 11-9=2 Current State: 13:[26, 2], Operations: ['57-46=11', '11-9=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[46, 57, 26, 9], Operations: [] Exploring Operation: 57-9=48, Resulting Numbers: [46, 26, 48] Generated Node #0,0: 13:[46, 26, 48] Operation: 57-9=48 Exploring Operation: 57-46=11, Resulting Numbers: [26, 9, 11] Generated Node #0,1: 13:[26, 9, 11] Operation: 57-46=11 Exploring Operation: 57-26=31, Resulting Numbers: [46, 9, 31] Generated Node #0,2: 13:[46, 9, 31] Operation: 57-26=31 Exploring Operation: 46-26=20, Resulting Numbers: [57, 9, 20] Generated Node #0,3: 13:[57, 9, 20] Operation: 46-26=20 Exploring Operation: 46-9=37, Resulting Numbers: [57, 26, 37] Generated Node #0,4: 13:[57, 26, 37] Operation: 46-9=37 Moving to Node #0,1 Current State: 13:[26, 9, 11], Operations: ['57-46=11'] Exploring Operation: 26-11=15, Resulting Numbers: [9, 15] Generated Node #0,1,0: 13:[9, 15] Operation: 26-11=15 Exploring Operation: 26+9=35, Resulting Numbers: [11, 35] Generated Node #0,1,1: 13:[11, 35] Operation: 26+9=35 Exploring Operation: 11-9=2, Resulting Numbers: [26, 2] Generated Node #0,1,2: 13:[26, 2] Operation: 11-9=2 Exploring Operation: 26-9=17, Resulting Numbers: [11, 17] Generated Node #0,1,3: 13:[11, 17] Operation: 26-9=17 Exploring Operation: 9+11=20, Resulting Numbers: [26, 20] Generated Node #0,1,4: 13:[26, 20] Operation: 9+11=20 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[9, 15], Operations: ['57-46=11', '26-11=15'] Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,13 unequal: No Solution Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 9*15=135, Resulting Numbers: [135] 135,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 13:[11, 17], Operations: ['57-46=11', '26-9=17'] Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,13 unequal: No Solution Exploring Operation: 11*17=187, Resulting Numbers: [187] 187,13 unequal: No Solution Exploring Operation: 11+17=28, Resulting Numbers: [28] 28,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 13:[26, 20], Operations: ['57-46=11', '9+11=20'] Exploring Operation: 26+20=46, Resulting Numbers: [46] 46,13 unequal: No Solution Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,13 unequal: No Solution Exploring Operation: 26*20=520, Resulting Numbers: [520] 520,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 13:[11, 35], Operations: ['57-46=11', '26+9=35'] Exploring Operation: 11+35=46, Resulting Numbers: [46] 46,13 unequal: No Solution Exploring Operation: 35-11=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 11*35=385, Resulting Numbers: [385] 385,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 13:[26, 2], Operations: ['57-46=11', '11-9=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[46, 57, 26, 9], Operations: [] Exploring Operation: 57-46=11, Resulting Numbers: [26, 9, 11] Generated Node #0,1: 13:[26, 9, 11] Operation: 57-46=11 Moving to Node #0,1 Current State: 13:[26, 9, 11], Operations: ['57-46=11'] Exploring Operation: 11-9=2, Resulting Numbers: [26, 2] Generated Node #0,1,2: 13:[26, 2] Operation: 11-9=2 Moving to Node #0,1,2 Current State: 13:[26, 2], Operations: ['57-46=11', '11-9=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_5
sum_heuristic
[ 57, 3, 25, 36 ]
49
[ "57+3=60", "36-25=11", "60-11=49" ]
Current State: 49:[57, 3, 25, 36], Operations: [] Exploring Operation: 57+3=60, Resulting Numbers: [25, 36, 60] Generated Node #2: [25, 36, 60] from Operation: 57+3=60 Current State: 49:[25, 36, 60], Operations: ['57+3=60'] Exploring Operation: 36-25=11, Resulting Numbers: [60, 11] Generated Node #3: [60, 11] from Operation: 36-25=11 Current State: 49:[60, 11], Operations: ['57+3=60', '36-25=11'] Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[57, 3, 25, 36], Operations: [] Exploring Operation: 36-25=11, Resulting Numbers: [57, 3, 11] Generated Node #0,0: 49:[57, 3, 11] Operation: 36-25=11 Exploring Operation: 57-25=32, Resulting Numbers: [3, 36, 32] Generated Node #0,1: 49:[3, 36, 32] Operation: 57-25=32 Exploring Operation: 57-3=54, Resulting Numbers: [25, 36, 54] Generated Node #0,2: 49:[25, 36, 54] Operation: 57-3=54 Exploring Operation: 36/3=12, Resulting Numbers: [57, 25, 12] Generated Node #0,3: 49:[57, 25, 12] Operation: 36/3=12 Exploring Operation: 25+36=61, Resulting Numbers: [57, 3, 61] Generated Node #0,4: 49:[57, 3, 61] Operation: 25+36=61 Moving to Node #0,0 Current State: 49:[57, 3, 11], Operations: ['36-25=11'] Exploring Operation: 57-3=54, Resulting Numbers: [11, 54] Generated Node #0,0,0: 49:[11, 54] Operation: 57-3=54 Exploring Operation: 3+11=14, Resulting Numbers: [57, 14] Generated Node #0,0,1: 49:[57, 14] Operation: 3+11=14 Exploring Operation: 57-11=46, Resulting Numbers: [3, 46] Generated Node #0,0,2: 49:[3, 46] Operation: 57-11=46 Exploring Operation: 11-3=8, Resulting Numbers: [57, 8] Generated Node #0,0,3: 49:[57, 8] Operation: 11-3=8 Exploring Operation: 57+3=60, Resulting Numbers: [11, 60] Generated Node #0,0,4: 49:[11, 60] Operation: 57+3=60 Moving to Node #0,4 Current State: 49:[57, 3, 61], Operations: ['25+36=61'] Exploring Operation: 57+3=60, Resulting Numbers: [61, 60] Generated Node #0,4,0: 49:[61, 60] Operation: 57+3=60 Exploring Operation: 57-3=54, Resulting Numbers: [61, 54] Generated Node #0,4,1: 49:[61, 54] Operation: 57-3=54 Exploring Operation: 61-3=58, Resulting Numbers: [57, 58] Generated Node #0,4,2: 49:[57, 58] Operation: 61-3=58 Exploring Operation: 3+61=64, Resulting Numbers: [57, 64] Generated Node #0,4,3: 49:[57, 64] Operation: 3+61=64 Exploring Operation: 61-57=4, Resulting Numbers: [3, 4] Generated Node #0,4,4: 49:[3, 4] Operation: 61-57=4 Moving to Node #0,3 Current State: 49:[57, 25, 12], Operations: ['36/3=12'] Exploring Operation: 57-12=45, Resulting Numbers: [25, 45] Generated Node #0,3,0: 49:[25, 45] Operation: 57-12=45 Exploring Operation: 25+12=37, Resulting Numbers: [57, 37] Generated Node #0,3,1: 49:[57, 37] Operation: 25+12=37 Exploring Operation: 57-25=32, Resulting Numbers: [12, 32] Generated Node #0,3,2: 49:[12, 32] Operation: 57-25=32 Exploring Operation: 25-12=13, Resulting Numbers: [57, 13] Generated Node #0,3,3: 49:[57, 13] Operation: 25-12=13 Exploring Operation: 57+25=82, Resulting Numbers: [12, 82] Generated Node #0,3,4: 49:[12, 82] Operation: 57+25=82 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 49:[57, 13], Operations: ['36/3=12', '25-12=13'] Exploring Operation: 57-13=44, Resulting Numbers: [44] 44,49 unequal: No Solution Exploring Operation: 57*13=741, Resulting Numbers: [741] 741,49 unequal: No Solution Exploring Operation: 57+13=70, Resulting Numbers: [70] 70,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 49:[57, 37], Operations: ['36/3=12', '25+12=37'] Exploring Operation: 57-37=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 57*37=2109, Resulting Numbers: [2109] 2109,49 unequal: No Solution Exploring Operation: 57+37=94, Resulting Numbers: [94] 94,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 49:[25, 45], Operations: ['36/3=12', '57-12=45'] Exploring Operation: 25*45=1125, Resulting Numbers: [1125] 1125,49 unequal: No Solution Exploring Operation: 25+45=70, Resulting Numbers: [70] 70,49 unequal: No Solution Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 49:[12, 32], Operations: ['36/3=12', '57-25=32'] Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 12+32=44, Resulting Numbers: [44] 44,49 unequal: No Solution Exploring Operation: 12*32=384, Resulting Numbers: [384] 384,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 49:[12, 82], Operations: ['36/3=12', '57+25=82'] Exploring Operation: 12+82=94, Resulting Numbers: [94] 94,49 unequal: No Solution Exploring Operation: 12*82=984, Resulting Numbers: [984] 984,49 unequal: No Solution Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,49 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: 49:[3, 36, 32], Operations: ['57-25=32'] Exploring Operation: 3+36=39, Resulting Numbers: [32, 39] Generated Node #0,1,0: 49:[32, 39] Operation: 3+36=39 Exploring Operation: 36+32=68, Resulting Numbers: [3, 68] Generated Node #0,1,1: 49:[3, 68] Operation: 36+32=68 Exploring Operation: 3+32=35, Resulting Numbers: [36, 35] Generated Node #0,1,2: 49:[36, 35] Operation: 3+32=35 Exploring Operation: 36/3=12, Resulting Numbers: [32, 12] Generated Node #0,1,3: 49:[32, 12] Operation: 36/3=12 Exploring Operation: 36-32=4, Resulting Numbers: [3, 4] Generated Node #0,1,4: 49:[3, 4] Operation: 36-32=4 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 49:[3, 4], Operations: ['57-25=32', '36-32=4'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 49:[32, 12], Operations: ['57-25=32', '36/3=12'] Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 32+12=44, Resulting Numbers: [44] 44,49 unequal: No Solution Exploring Operation: 32*12=384, Resulting Numbers: [384] 384,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 49:[3, 68], Operations: ['57-25=32', '36+32=68'] Exploring Operation: 3*68=204, Resulting Numbers: [204] 204,49 unequal: No Solution Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,49 unequal: No Solution Exploring Operation: 3+68=71, Resulting Numbers: [71] 71,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[32, 39], Operations: ['57-25=32', '3+36=39'] Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 32+39=71, Resulting Numbers: [71] 71,49 unequal: No Solution Exploring Operation: 32*39=1248, Resulting Numbers: [1248] 1248,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 49:[36, 35], Operations: ['57-25=32', '3+32=35'] Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 36+35=71, Resulting Numbers: [71] 71,49 unequal: No Solution Exploring Operation: 36*35=1260, Resulting Numbers: [1260] 1260,49 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: 49:[25, 36, 54], Operations: ['57-3=54'] Exploring Operation: 25+36=61, Resulting Numbers: [54, 61] Generated Node #0,2,0: 49:[54, 61] Operation: 25+36=61 Exploring Operation: 36-25=11, Resulting Numbers: [54, 11] Generated Node #0,2,1: 49:[54, 11] Operation: 36-25=11 Exploring Operation: 25+54=79, Resulting Numbers: [36, 79] Generated Node #0,2,2: 49:[36, 79] Operation: 25+54=79 Exploring Operation: 54-36=18, Resulting Numbers: [25, 18] Generated Node #0,2,3: 49:[25, 18] Operation: 54-36=18 Exploring Operation: 54-25=29, Resulting Numbers: [36, 29] Generated Node #0,2,4: 49:[36, 29] Operation: 54-25=29 Moving to Node #0,0,2 Current State: 49:[3, 46], Operations: ['36-25=11', '57-11=46'] Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,49 unequal: No Solution Exploring Operation: 3*46=138, Resulting Numbers: [138] 138,49 unequal: No Solution Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[57, 3, 25, 36], Operations: [] Exploring Operation: 36-25=11, Resulting Numbers: [57, 3, 11] Generated Node #0,0: 49:[57, 3, 11] Operation: 36-25=11 Moving to Node #0,0 Current State: 49:[57, 3, 11], Operations: ['36-25=11'] Exploring Operation: 57-11=46, Resulting Numbers: [3, 46] Generated Node #0,0,2: 49:[3, 46] Operation: 57-11=46 Moving to Node #0,0,2 Current State: 49:[3, 46], Operations: ['36-25=11', '57-11=46'] Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
0.94184
hs_5
mult_heuristic
[ 68, 65, 81, 28 ]
23
[ "81-68=13", "65/13=5", "28-5=23" ]
Current State: 23:[68, 65, 81, 28], Operations: [] Exploring Operation: 81-68=13, Resulting Numbers: [65, 28, 13] Generated Node #2: [65, 28, 13] from Operation: 81-68=13 Current State: 23:[65, 28, 13], Operations: ['81-68=13'] Exploring Operation: 65/13=5, Resulting Numbers: [28, 5] Generated Node #3: [28, 5] from Operation: 65/13=5 Current State: 23:[28, 5], Operations: ['81-68=13', '65/13=5'] Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[68, 65, 81, 28], Operations: [] Exploring Operation: 81-68=13, Resulting Numbers: [65, 28, 13] Generated Node #0,0: 23:[65, 28, 13] Operation: 81-68=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[65, 28, 13], Operations: ['81-68=13'] Exploring Operation: 65/13=5, Resulting Numbers: [28, 5] Generated Node #0,0,0: 23:[28, 5] Operation: 65/13=5 Moving to Node #0,0,0 Current State: 23:[28, 5], Operations: ['81-68=13', '65/13=5'] Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[68, 65, 81, 28], Operations: [] Exploring Operation: 81-68=13, Resulting Numbers: [65, 28, 13] Generated Node #0,0: 23:[65, 28, 13] Operation: 81-68=13 Moving to Node #0,0 Current State: 23:[65, 28, 13], Operations: ['81-68=13'] Exploring Operation: 65/13=5, Resulting Numbers: [28, 5] Generated Node #0,0,0: 23:[28, 5] Operation: 65/13=5 Moving to Node #0,0,0 Current State: 23:[28, 5], Operations: ['81-68=13', '65/13=5'] Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 8, 48, 41, 51 ]
30
[ "48-8=40", "51-41=10", "40-10=30" ]
Current State: 30:[8, 48, 41, 51], Operations: [] Exploring Operation: 48-8=40, Resulting Numbers: [41, 51, 40] Generated Node #2: [41, 51, 40] from Operation: 48-8=40 Current State: 30:[41, 51, 40], Operations: ['48-8=40'] Exploring Operation: 51-41=10, Resulting Numbers: [40, 10] Generated Node #3: [40, 10] from Operation: 51-41=10 Current State: 30:[40, 10], Operations: ['48-8=40', '51-41=10'] Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[8, 48, 41, 51], Operations: [] Exploring Operation: 51-41=10, Resulting Numbers: [8, 48, 10] Generated Node #0,0: 30:[8, 48, 10] Operation: 51-41=10 Exploring Operation: 48-41=7, Resulting Numbers: [8, 51, 7] Generated Node #0,1: 30:[8, 51, 7] Operation: 48-41=7 Exploring Operation: 48/8=6, Resulting Numbers: [41, 51, 6] Generated Node #0,2: 30:[41, 51, 6] Operation: 48/8=6 Exploring Operation: 51-48=3, Resulting Numbers: [8, 41, 3] Generated Node #0,3: 30:[8, 41, 3] Operation: 51-48=3 Moving to Node #0,3 Current State: 30:[8, 41, 3], Operations: ['51-48=3'] Exploring Operation: 8-3=5, Resulting Numbers: [41, 5] Generated Node #0,3,0: 30:[41, 5] Operation: 8-3=5 Exploring Operation: 41-8=33, Resulting Numbers: [3, 33] Generated Node #0,3,1: 30:[3, 33] Operation: 41-8=33 Exploring Operation: 8+3=11, Resulting Numbers: [41, 11] Generated Node #0,3,2: 30:[41, 11] Operation: 8+3=11 Exploring Operation: 41-3=38, Resulting Numbers: [8, 38] Generated Node #0,3,3: 30:[8, 38] Operation: 41-3=38 Moving to Node #0,0 Current State: 30:[8, 48, 10], Operations: ['51-41=10'] Exploring Operation: 48-10=38, Resulting Numbers: [8, 38] Generated Node #0,0,0: 30:[8, 38] Operation: 48-10=38 Exploring Operation: 48-8=40, Resulting Numbers: [10, 40] Generated Node #0,0,1: 30:[10, 40] Operation: 48-8=40 Exploring Operation: 48/8=6, Resulting Numbers: [10, 6] Generated Node #0,0,2: 30:[10, 6] Operation: 48/8=6 Exploring Operation: 10-8=2, Resulting Numbers: [48, 2] Generated Node #0,0,3: 30:[48, 2] Operation: 10-8=2 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 30:[10, 6], Operations: ['51-41=10', '48/8=6'] Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,30 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,30 unequal: No Solution Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,30 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 #0,0,0 Current State: 30:[8, 38], Operations: ['51-41=10', '48-10=38'] Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[8, 48, 41, 51], Operations: [] Exploring Operation: 51-41=10, Resulting Numbers: [8, 48, 10] Generated Node #0,0: 30:[8, 48, 10] Operation: 51-41=10 Moving to Node #0,0 Current State: 30:[8, 48, 10], Operations: ['51-41=10'] Exploring Operation: 48-10=38, Resulting Numbers: [8, 38] Generated Node #0,0,0: 30:[8, 38] Operation: 48-10=38 Moving to Node #0,0,0 Current State: 30:[8, 38], Operations: ['51-41=10', '48-10=38'] Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
sum_heuristic
[ 72, 85, 21, 49 ]
23
[ "85-49=36", "72/36=2", "21+2=23" ]
Current State: 23:[72, 85, 21, 49], Operations: [] Exploring Operation: 85-49=36, Resulting Numbers: [72, 21, 36] Generated Node #2: [72, 21, 36] from Operation: 85-49=36 Current State: 23:[72, 21, 36], Operations: ['85-49=36'] Exploring Operation: 72/36=2, Resulting Numbers: [21, 2] Generated Node #3: [21, 2] from Operation: 72/36=2 Current State: 23:[21, 2], Operations: ['85-49=36', '72/36=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[72, 85, 21, 49], Operations: [] Exploring Operation: 85-49=36, Resulting Numbers: [72, 21, 36] Generated Node #0,0: 23:[72, 21, 36] Operation: 85-49=36 Exploring Operation: 72-21=51, Resulting Numbers: [85, 49, 51] Generated Node #0,1: 23:[85, 49, 51] Operation: 72-21=51 Exploring Operation: 72-49=23, Resulting Numbers: [85, 21, 23] Generated Node #0,2: 23:[85, 21, 23] Operation: 72-49=23 Exploring Operation: 85-72=13, Resulting Numbers: [21, 49, 13] Generated Node #0,3: 23:[21, 49, 13] Operation: 85-72=13 Exploring Operation: 85-21=64, Resulting Numbers: [72, 49, 64] Generated Node #0,4: 23:[72, 49, 64] Operation: 85-21=64 Start Sub Search at level 1: Moving to Node #0,3 Current State: 23:[21, 49, 13], Operations: ['85-72=13'] Exploring Operation: 21-13=8, Resulting Numbers: [49, 8] Generated Node #0,3,0: 23:[49, 8] Operation: 21-13=8 Exploring Operation: 21+13=34, Resulting Numbers: [49, 34] Generated Node #0,3,1: 23:[49, 34] Operation: 21+13=34 Exploring Operation: 49+13=62, Resulting Numbers: [21, 62] Generated Node #0,3,2: 23:[21, 62] Operation: 49+13=62 Exploring Operation: 49-13=36, Resulting Numbers: [21, 36] Generated Node #0,3,3: 23:[21, 36] Operation: 49-13=36 Exploring Operation: 49-21=28, Resulting Numbers: [13, 28] Generated Node #0,3,4: 23:[13, 28] Operation: 49-21=28 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 23:[21, 36], Operations: ['85-72=13', '49-13=36'] Exploring Operation: 21*36=756, Resulting Numbers: [756] 756,23 unequal: No Solution Exploring Operation: 36-21=15, Resulting Numbers: [15] 15,23 unequal: No Solution Exploring Operation: 21+36=57, Resulting Numbers: [57] 57,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 23:[13, 28], Operations: ['85-72=13', '49-21=28'] Exploring Operation: 13*28=364, Resulting Numbers: [364] 364,23 unequal: No Solution Exploring Operation: 28-13=15, Resulting Numbers: [15] 15,23 unequal: No Solution Exploring Operation: 13+28=41, Resulting Numbers: [41] 41,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 23:[49, 34], Operations: ['85-72=13', '21+13=34'] Exploring Operation: 49+34=83, Resulting Numbers: [83] 83,23 unequal: No Solution Exploring Operation: 49-34=15, Resulting Numbers: [15] 15,23 unequal: No Solution Exploring Operation: 49*34=1666, Resulting Numbers: [1666] 1666,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 23:[49, 8], Operations: ['85-72=13', '21-13=8'] Exploring Operation: 49+8=57, Resulting Numbers: [57] 57,23 unequal: No Solution Exploring Operation: 49*8=392, Resulting Numbers: [392] 392,23 unequal: No Solution Exploring Operation: 49-8=41, Resulting Numbers: [41] 41,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 23:[21, 62], Operations: ['85-72=13', '49+13=62'] Exploring Operation: 21+62=83, Resulting Numbers: [83] 83,23 unequal: No Solution Exploring Operation: 62-21=41, Resulting Numbers: [41] 41,23 unequal: No Solution Exploring Operation: 21*62=1302, Resulting Numbers: [1302] 1302,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[72, 21, 36], Operations: ['85-49=36'] Exploring Operation: 72-36=36, Resulting Numbers: [21, 36] Generated Node #0,0,0: 23:[21, 36] Operation: 72-36=36 Exploring Operation: 72-21=51, Resulting Numbers: [36, 51] Generated Node #0,0,1: 23:[36, 51] Operation: 72-21=51 Exploring Operation: 36-21=15, Resulting Numbers: [72, 15] Generated Node #0,0,2: 23:[72, 15] Operation: 36-21=15 Exploring Operation: 72+21=93, Resulting Numbers: [36, 93] Generated Node #0,0,3: 23:[36, 93] Operation: 72+21=93 Exploring Operation: 72/36=2, Resulting Numbers: [21, 2] Generated Node #0,0,4: 23:[21, 2] Operation: 72/36=2 Moving to Node #0,0,0 Current State: 23:[21, 36], Operations: ['85-49=36', '72-36=36'] Exploring Operation: 36-21=15, Resulting Numbers: [15] 15,23 unequal: No Solution Exploring Operation: 21+36=57, Resulting Numbers: [57] 57,23 unequal: No Solution Exploring Operation: 21*36=756, Resulting Numbers: [756] 756,23 unequal: No Solution Moving to Node #0,0,4 Current State: 23:[21, 2], Operations: ['85-49=36', '72/36=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[72, 85, 21, 49], Operations: [] Exploring Operation: 85-49=36, Resulting Numbers: [72, 21, 36] Generated Node #0,0: 23:[72, 21, 36] Operation: 85-49=36 Moving to Node #0,0 Current State: 23:[72, 21, 36], Operations: ['85-49=36'] Exploring Operation: 72/36=2, Resulting Numbers: [21, 2] Generated Node #0,0,4: 23:[21, 2] Operation: 72/36=2 Moving to Node #0,0,4 Current State: 23:[21, 2], Operations: ['85-49=36', '72/36=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 28, 37, 59, 55 ]
30
[ "59-55=4", "28/4=7", "37-7=30" ]
Current State: 30:[28, 37, 59, 55], Operations: [] Exploring Operation: 59-55=4, Resulting Numbers: [28, 37, 4] Generated Node #2: [28, 37, 4] from Operation: 59-55=4 Current State: 30:[28, 37, 4], Operations: ['59-55=4'] Exploring Operation: 28/4=7, Resulting Numbers: [37, 7] Generated Node #3: [37, 7] from Operation: 28/4=7 Current State: 30:[37, 7], Operations: ['59-55=4', '28/4=7'] Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[28, 37, 59, 55], Operations: [] Exploring Operation: 59-55=4, Resulting Numbers: [28, 37, 4] Generated Node #0,0: 30:[28, 37, 4] Operation: 59-55=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[28, 37, 4], Operations: ['59-55=4'] Exploring Operation: 37-28=9, Resulting Numbers: [4, 9] Generated Node #0,0,0: 30:[4, 9] Operation: 37-28=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 30:[4, 9], Operations: ['59-55=4', '37-28=9'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,30 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
[ 55, 57, 18, 74 ]
46
[ "57-55=2", "18+74=92", "92/2=46" ]
Current State: 46:[55, 57, 18, 74], Operations: [] Exploring Operation: 57-55=2, Resulting Numbers: [18, 74, 2] Generated Node #2: [18, 74, 2] from Operation: 57-55=2 Current State: 46:[18, 74, 2], Operations: ['57-55=2'] Exploring Operation: 18+74=92, Resulting Numbers: [2, 92] Generated Node #3: [2, 92] from Operation: 18+74=92 Current State: 46:[2, 92], Operations: ['57-55=2', '18+74=92'] Exploring Operation: 92/2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[55, 57, 18, 74], Operations: [] Exploring Operation: 74-18=56, Resulting Numbers: [55, 57, 56] Generated Node #0,0: 46:[55, 57, 56] Operation: 74-18=56 Exploring Operation: 74-57=17, Resulting Numbers: [55, 18, 17] Generated Node #0,1: 46:[55, 18, 17] Operation: 74-57=17 Exploring Operation: 74-55=19, Resulting Numbers: [57, 18, 19] Generated Node #0,2: 46:[57, 18, 19] Operation: 74-55=19 Moving to Node #0,1 Current State: 46:[55, 18, 17], Operations: ['74-57=17'] Exploring Operation: 55-17=38, Resulting Numbers: [18, 38] Generated Node #0,1,0: 46:[18, 38] Operation: 55-17=38 Exploring Operation: 55-18=37, Resulting Numbers: [17, 37] Generated Node #0,1,1: 46:[17, 37] Operation: 55-18=37 Exploring Operation: 18-17=1, Resulting Numbers: [55, 1] Generated Node #0,1,2: 46:[55, 1] Operation: 18-17=1 Moving to Node #0,2 Current State: 46:[57, 18, 19], Operations: ['74-55=19'] Exploring Operation: 19-18=1, Resulting Numbers: [57, 1] Generated Node #0,2,0: 46:[57, 1] Operation: 19-18=1 Exploring Operation: 57-18=39, Resulting Numbers: [19, 39] Generated Node #0,2,1: 46:[19, 39] Operation: 57-18=39 Exploring Operation: 57/19=3, Resulting Numbers: [18, 3] Generated Node #0,2,2: 46:[18, 3] Operation: 57/19=3 Moving to Node #0,0 Current State: 46:[55, 57, 56], Operations: ['74-18=56'] Exploring Operation: 57-56=1, Resulting Numbers: [55, 1] Generated Node #0,0,0: 46:[55, 1] Operation: 57-56=1 Exploring Operation: 57-55=2, Resulting Numbers: [56, 2] Generated Node #0,0,1: 46:[56, 2] Operation: 57-55=2 Exploring Operation: 56-55=1, Resulting Numbers: [57, 1] Generated Node #0,0,2: 46:[57, 1] Operation: 56-55=1 Moving to Node #0,2,2 Current State: 46:[18, 3], Operations: ['74-55=19', '57/19=3'] Exploring Operation: 18*3=54, Resulting Numbers: [54] 54,46 unequal: No Solution Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,46 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[55, 1], Operations: ['74-18=56', '57-56=1'] Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,46 unequal: No Solution Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,46 unequal: No Solution Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,46 unequal: No Solution Moving to Node #0,1,2 Current State: 46:[55, 1], Operations: ['74-57=17', '18-17=1'] Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,46 unequal: No Solution Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,46 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[56, 2], Operations: ['74-18=56', '57-55=2'] Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,46 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 56+2=58, Resulting Numbers: [58] 58,46 unequal: No Solution Moving to Node #0,2,1 Current State: 46:[19, 39], Operations: ['74-55=19', '57-18=39'] Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,46 unequal: No Solution Exploring Operation: 19*39=741, Resulting Numbers: [741] 741,46 unequal: No Solution Exploring Operation: 19+39=58, Resulting Numbers: [58] 58,46 unequal: No Solution Moving to Node #0,2,0 Current State: 46:[57, 1], Operations: ['74-55=19', '19-18=1'] Exploring Operation: 57*1=57, Resulting Numbers: [57] 57,46 unequal: No Solution Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,46 unequal: No Solution Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,46 unequal: No Solution Moving to Node #0,0,2 Current State: 46:[57, 1], Operations: ['74-18=56', '56-55=1'] Exploring Operation: 57*1=57, Resulting Numbers: [57] 57,46 unequal: No Solution Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,46 unequal: No Solution Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[18, 38], Operations: ['74-57=17', '55-17=38'] Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,46 unequal: No Solution Exploring Operation: 18+38=56, Resulting Numbers: [56] 56,46 unequal: No Solution Exploring Operation: 18*38=684, Resulting Numbers: [684] 684,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[17, 37], Operations: ['74-57=17', '55-18=37'] Exploring Operation: 17+37=54, Resulting Numbers: [54] 54,46 unequal: No Solution Exploring Operation: 17*37=629, Resulting Numbers: [629] 629,46 unequal: No Solution Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,46 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 6, 27, 99, 38 ]
41
[ "6+27=33", "99/33=3", "38+3=41" ]
Current State: 41:[6, 27, 99, 38], Operations: [] Exploring Operation: 6+27=33, Resulting Numbers: [99, 38, 33] Generated Node #2: [99, 38, 33] from Operation: 6+27=33 Current State: 41:[99, 38, 33], Operations: ['6+27=33'] Exploring Operation: 99/33=3, Resulting Numbers: [38, 3] Generated Node #3: [38, 3] from Operation: 99/33=3 Current State: 41:[38, 3], Operations: ['6+27=33', '99/33=3'] Exploring Operation: 38+3=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[6, 27, 99, 38], Operations: [] Exploring Operation: 6+27=33, Resulting Numbers: [99, 38, 33] Generated Node #0,0: 41:[99, 38, 33] Operation: 6+27=33 Exploring Operation: 99-27=72, Resulting Numbers: [6, 38, 72] Generated Node #0,1: 41:[6, 38, 72] Operation: 99-27=72 Exploring Operation: 99-6=93, Resulting Numbers: [27, 38, 93] Generated Node #0,2: 41:[27, 38, 93] Operation: 99-6=93 Exploring Operation: 99-38=61, Resulting Numbers: [6, 27, 61] Generated Node #0,3: 41:[6, 27, 61] Operation: 99-38=61 Moving to Node #0,0 Current State: 41:[99, 38, 33], Operations: ['6+27=33'] Exploring Operation: 99-33=66, Resulting Numbers: [38, 66] Generated Node #0,0,0: 41:[38, 66] Operation: 99-33=66 Exploring Operation: 38+33=71, Resulting Numbers: [99, 71] Generated Node #0,0,1: 41:[99, 71] Operation: 38+33=71 Exploring Operation: 99-38=61, Resulting Numbers: [33, 61] Generated Node #0,0,2: 41:[33, 61] Operation: 99-38=61 Exploring Operation: 99/33=3, Resulting Numbers: [38, 3] Generated Node #0,0,3: 41:[38, 3] Operation: 99/33=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[38, 66], Operations: ['6+27=33', '99-33=66'] Exploring Operation: 38+66=104, Resulting Numbers: [104] 104,41 unequal: No Solution Exploring Operation: 66-38=28, Resulting Numbers: [28] 28,41 unequal: No Solution Exploring Operation: 38*66=2508, Resulting Numbers: [2508] 2508,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 41:[33, 61], Operations: ['6+27=33', '99-38=61'] Exploring Operation: 33*61=2013, Resulting Numbers: [2013] 2013,41 unequal: No Solution Exploring Operation: 61-33=28, Resulting Numbers: [28] 28,41 unequal: No Solution Exploring Operation: 33+61=94, Resulting Numbers: [94] 94,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 41:[38, 3], Operations: ['6+27=33', '99/33=3'] Exploring Operation: 38+3=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[6, 27, 99, 38], Operations: [] Exploring Operation: 6+27=33, Resulting Numbers: [99, 38, 33] Generated Node #0,0: 41:[99, 38, 33] Operation: 6+27=33 Moving to Node #0,0 Current State: 41:[99, 38, 33], Operations: ['6+27=33'] Exploring Operation: 99/33=3, Resulting Numbers: [38, 3] Generated Node #0,0,3: 41:[38, 3] Operation: 99/33=3 Moving to Node #0,0,3 Current State: 41:[38, 3], Operations: ['6+27=33', '99/33=3'] Exploring Operation: 38+3=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 41, 53, 43, 57 ]
30
[ "41*43=1763", "1763-53=1710", "1710/57=30" ]
Current State: 30:[41, 53, 43, 57], Operations: [] Exploring Operation: 41*43=1763, Resulting Numbers: [53, 57, 1763] Generated Node #2: [53, 57, 1763] from Operation: 41*43=1763 Current State: 30:[53, 57, 1763], Operations: ['41*43=1763'] Exploring Operation: 1763-53=1710, Resulting Numbers: [57, 1710] Generated Node #3: [57, 1710] from Operation: 1763-53=1710 Current State: 30:[57, 1710], Operations: ['41*43=1763', '1763-53=1710'] Exploring Operation: 1710/57=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[41, 53, 43, 57], Operations: [] Exploring Operation: 57-43=14, Resulting Numbers: [41, 53, 14] Generated Node #0,0: 30:[41, 53, 14] Operation: 57-43=14 Exploring Operation: 57-53=4, Resulting Numbers: [41, 43, 4] Generated Node #0,1: 30:[41, 43, 4] Operation: 57-53=4 Exploring Operation: 57-41=16, Resulting Numbers: [53, 43, 16] Generated Node #0,2: 30:[53, 43, 16] Operation: 57-41=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[41, 43, 4], Operations: ['57-53=4'] Exploring Operation: 43-41=2, Resulting Numbers: [4, 2] Generated Node #0,1,0: 30:[4, 2] Operation: 43-41=2 Exploring Operation: 41-4=37, Resulting Numbers: [43, 37] Generated Node #0,1,1: 30:[43, 37] Operation: 41-4=37 Exploring Operation: 43-4=39, Resulting Numbers: [41, 39] Generated Node #0,1,2: 30:[41, 39] Operation: 43-4=39 Moving to Node #0,1,0 Current State: 30:[4, 2], Operations: ['57-53=4', '43-41=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,30 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,30 unequal: No Solution Moving to Node #0,1,1 Current State: 30:[43, 37], Operations: ['57-53=4', '41-4=37'] Exploring Operation: 43+37=80, Resulting Numbers: [80] 80,30 unequal: No Solution Exploring Operation: 43*37=1591, Resulting Numbers: [1591] 1591,30 unequal: No Solution Exploring Operation: 43-37=6, Resulting Numbers: [6] 6,30 unequal: No Solution Moving to Node #0,1,2 Current State: 30:[41, 39], Operations: ['57-53=4', '43-4=39'] Exploring Operation: 41*39=1599, Resulting Numbers: [1599] 1599,30 unequal: No Solution Exploring Operation: 41+39=80, Resulting Numbers: [80] 80,30 unequal: No Solution Exploring Operation: 41-39=2, Resulting Numbers: [2] 2,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[41, 53, 14], Operations: ['57-43=14'] Exploring Operation: 53-41=12, Resulting Numbers: [14, 12] Generated Node #0,0,0: 30:[14, 12] Operation: 53-41=12 Exploring Operation: 53-14=39, Resulting Numbers: [41, 39] Generated Node #0,0,1: 30:[41, 39] Operation: 53-14=39 Exploring Operation: 41-14=27, Resulting Numbers: [53, 27] Generated Node #0,0,2: 30:[53, 27] Operation: 41-14=27 Moving to Node #0,0,0 Current State: 30:[14, 12], Operations: ['57-43=14', '53-41=12'] Exploring Operation: 14*12=168, Resulting Numbers: [168] 168,30 unequal: No Solution Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,30 unequal: No Solution Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,30 unequal: No Solution Moving to Node #0,0,1 Current State: 30:[41, 39], Operations: ['57-43=14', '53-14=39'] Exploring Operation: 41-39=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 41+39=80, Resulting Numbers: [80] 80,30 unequal: No Solution Exploring Operation: 41*39=1599, Resulting Numbers: [1599] 1599,30 unequal: No Solution Moving to Node #0,0,2 Current State: 30:[53, 27], Operations: ['57-43=14', '41-14=27'] Exploring Operation: 53*27=1431, Resulting Numbers: [1431] 1431,30 unequal: No Solution Exploring Operation: 53-27=26, Resulting Numbers: [26] 26,30 unequal: No Solution Exploring Operation: 53+27=80, Resulting Numbers: [80] 80,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 30:[53, 43, 16], Operations: ['57-41=16'] Exploring Operation: 53-43=10, Resulting Numbers: [16, 10] Generated Node #0,2,0: 30:[16, 10] Operation: 53-43=10 Exploring Operation: 53-16=37, Resulting Numbers: [43, 37] Generated Node #0,2,1: 30:[43, 37] Operation: 53-16=37 Exploring Operation: 43-16=27, Resulting Numbers: [53, 27] Generated Node #0,2,2: 30:[53, 27] Operation: 43-16=27 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 30:[16, 10], Operations: ['57-41=16', '53-43=10'] Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,30 unequal: No Solution Exploring Operation: 16*10=160, Resulting Numbers: [160] 160,30 unequal: No Solution Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 30:[43, 37], Operations: ['57-41=16', '53-16=37'] Exploring Operation: 43+37=80, Resulting Numbers: [80] 80,30 unequal: No Solution Exploring Operation: 43*37=1591, Resulting Numbers: [1591] 1591,30 unequal: No Solution Exploring Operation: 43-37=6, Resulting Numbers: [6] 6,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 30:[53, 27], Operations: ['57-41=16', '43-16=27'] Exploring Operation: 53-27=26, Resulting Numbers: [26] 26,30 unequal: No Solution Exploring Operation: 53+27=80, Resulting Numbers: [80] 80,30 unequal: No Solution Exploring Operation: 53*27=1431, Resulting Numbers: [1431] 1431,30 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
[ 33, 51, 5, 29 ]
11
[ "33+51=84", "84-29=55", "55/5=11" ]
Current State: 11:[33, 51, 5, 29], Operations: [] Exploring Operation: 33+51=84, Resulting Numbers: [5, 29, 84] Generated Node #2: [5, 29, 84] from Operation: 33+51=84 Current State: 11:[5, 29, 84], Operations: ['33+51=84'] Exploring Operation: 84-29=55, Resulting Numbers: [5, 55] Generated Node #3: [5, 55] from Operation: 84-29=55 Current State: 11:[5, 55], Operations: ['33+51=84', '84-29=55'] Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[33, 51, 5, 29], Operations: [] Exploring Operation: 51-29=22, Resulting Numbers: [33, 5, 22] Generated Node #0,0: 11:[33, 5, 22] Operation: 51-29=22 Exploring Operation: 33-29=4, Resulting Numbers: [51, 5, 4] Generated Node #0,1: 11:[51, 5, 4] Operation: 33-29=4 Exploring Operation: 51-33=18, Resulting Numbers: [5, 29, 18] Generated Node #0,2: 11:[5, 29, 18] Operation: 51-33=18 Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[5, 29, 18], Operations: ['51-33=18'] Exploring Operation: 29-18=11, Resulting Numbers: [5, 11] Generated Node #0,2,0: 11:[5, 11] Operation: 29-18=11 Exploring Operation: 29-5=24, Resulting Numbers: [18, 24] Generated Node #0,2,1: 11:[18, 24] Operation: 29-5=24 Exploring Operation: 18-5=13, Resulting Numbers: [29, 13] Generated Node #0,2,2: 11:[29, 13] Operation: 18-5=13 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 11:[5, 11], Operations: ['51-33=18', '29-18=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,11 unequal: No Solution Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 11:[18, 24], Operations: ['51-33=18', '29-5=24'] Exploring Operation: 24-18=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 18+24=42, Resulting Numbers: [42] 42,11 unequal: No Solution Exploring Operation: 18*24=432, Resulting Numbers: [432] 432,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 11:[29, 13], Operations: ['51-33=18', '18-5=13'] Exploring Operation: 29*13=377, Resulting Numbers: [377] 377,11 unequal: No Solution Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 29+13=42, Resulting Numbers: [42] 42,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[33, 5, 22], Operations: ['51-29=22'] Exploring Operation: 22-5=17, Resulting Numbers: [33, 17] Generated Node #0,0,0: 11:[33, 17] Operation: 22-5=17 Exploring Operation: 33-5=28, Resulting Numbers: [22, 28] Generated Node #0,0,1: 11:[22, 28] Operation: 33-5=28 Exploring Operation: 33-22=11, Resulting Numbers: [5, 11] Generated Node #0,0,2: 11:[5, 11] Operation: 33-22=11 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 11:[5, 11], Operations: ['51-29=22', '33-22=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,11 unequal: No Solution Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 11:[33, 17], Operations: ['51-29=22', '22-5=17'] Exploring Operation: 33+17=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 33*17=561, Resulting Numbers: [561] 561,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 11:[22, 28], Operations: ['51-29=22', '33-5=28'] Exploring Operation: 22*28=616, Resulting Numbers: [616] 616,11 unequal: No Solution Exploring Operation: 22+28=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[51, 5, 4], Operations: ['33-29=4'] Exploring Operation: 51-4=47, Resulting Numbers: [5, 47] Generated Node #0,1,0: 11:[5, 47] Operation: 51-4=47 Exploring Operation: 5+4=9, Resulting Numbers: [51, 9] Generated Node #0,1,1: 11:[51, 9] Operation: 5+4=9 Exploring Operation: 51-5=46, Resulting Numbers: [4, 46] Generated Node #0,1,2: 11:[4, 46] Operation: 51-5=46 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 11:[5, 47], Operations: ['33-29=4', '51-4=47'] Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,11 unequal: No Solution Exploring Operation: 5+47=52, Resulting Numbers: [52] 52,11 unequal: No Solution Exploring Operation: 5*47=235, Resulting Numbers: [235] 235,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 11:[51, 9], Operations: ['33-29=4', '5+4=9'] Exploring Operation: 51-9=42, Resulting Numbers: [42] 42,11 unequal: No Solution Exploring Operation: 51+9=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 51*9=459, Resulting Numbers: [459] 459,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 11:[4, 46], Operations: ['33-29=4', '51-5=46'] Exploring Operation: 4+46=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 4*46=184, Resulting Numbers: [184] 184,11 unequal: No Solution Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 64, 6, 97, 11 ]
25
[ "64+97=161", "161-11=150", "150/6=25" ]
Current State: 25:[64, 6, 97, 11], Operations: [] Exploring Operation: 64+97=161, Resulting Numbers: [6, 11, 161] Generated Node #2: [6, 11, 161] from Operation: 64+97=161 Current State: 25:[6, 11, 161], Operations: ['64+97=161'] Exploring Operation: 161-11=150, Resulting Numbers: [6, 150] Generated Node #3: [6, 150] from Operation: 161-11=150 Current State: 25:[6, 150], Operations: ['64+97=161', '161-11=150'] Exploring Operation: 150/6=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[64, 6, 97, 11], Operations: [] Exploring Operation: 64-6=58, Resulting Numbers: [97, 11, 58] Generated Node #0,0: 25:[97, 11, 58] Operation: 64-6=58 Exploring Operation: 97-11=86, Resulting Numbers: [64, 6, 86] Generated Node #0,1: 25:[64, 6, 86] Operation: 97-11=86 Exploring Operation: 64-11=53, Resulting Numbers: [6, 97, 53] Generated Node #0,2: 25:[6, 97, 53] Operation: 64-11=53 Exploring Operation: 97-64=33, Resulting Numbers: [6, 11, 33] Generated Node #0,3: 25:[6, 11, 33] Operation: 97-64=33 Exploring Operation: 97-6=91, Resulting Numbers: [64, 11, 91] Generated Node #0,4: 25:[64, 11, 91] Operation: 97-6=91 Moving to Node #0,3 Current State: 25:[6, 11, 33], Operations: ['97-64=33'] Exploring Operation: 33-6=27, Resulting Numbers: [11, 27] Generated Node #0,3,0: 25:[11, 27] Operation: 33-6=27 Exploring Operation: 6+11=17, Resulting Numbers: [33, 17] Generated Node #0,3,1: 25:[33, 17] Operation: 6+11=17 Exploring Operation: 33/11=3, Resulting Numbers: [6, 3] Generated Node #0,3,2: 25:[6, 3] Operation: 33/11=3 Exploring Operation: 11-6=5, Resulting Numbers: [33, 5] Generated Node #0,3,3: 25:[33, 5] Operation: 11-6=5 Exploring Operation: 33-11=22, Resulting Numbers: [6, 22] Generated Node #0,3,4: 25:[6, 22] Operation: 33-11=22 Moving to Node #0,2 Current State: 25:[6, 97, 53], Operations: ['64-11=53'] Exploring Operation: 6+97=103, Resulting Numbers: [53, 103] Generated Node #0,2,0: 25:[53, 103] Operation: 6+97=103 Exploring Operation: 97-6=91, Resulting Numbers: [53, 91] Generated Node #0,2,1: 25:[53, 91] Operation: 97-6=91 Exploring Operation: 97-53=44, Resulting Numbers: [6, 44] Generated Node #0,2,2: 25:[6, 44] Operation: 97-53=44 Exploring Operation: 53-6=47, Resulting Numbers: [97, 47] Generated Node #0,2,3: 25:[97, 47] Operation: 53-6=47 Exploring Operation: 6+53=59, Resulting Numbers: [97, 59] Generated Node #0,2,4: 25:[97, 59] Operation: 6+53=59 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 25:[6, 44], Operations: ['64-11=53', '97-53=44'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 6*44=264, Resulting Numbers: [264] 264,25 unequal: No Solution Exploring Operation: 6+44=50, Resulting Numbers: [50] 50,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 25:[53, 91], Operations: ['64-11=53', '97-6=91'] Exploring Operation: 53*91=4823, Resulting Numbers: [4823] 4823,25 unequal: No Solution Exploring Operation: 53+91=144, Resulting Numbers: [144] 144,25 unequal: No Solution Exploring Operation: 91-53=38, Resulting Numbers: [38] 38,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 25:[97, 47], Operations: ['64-11=53', '53-6=47'] Exploring Operation: 97*47=4559, Resulting Numbers: [4559] 4559,25 unequal: No Solution Exploring Operation: 97-47=50, Resulting Numbers: [50] 50,25 unequal: No Solution Exploring Operation: 97+47=144, Resulting Numbers: [144] 144,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 25:[53, 103], Operations: ['64-11=53', '6+97=103'] Exploring Operation: 53+103=156, Resulting Numbers: [156] 156,25 unequal: No Solution Exploring Operation: 103-53=50, Resulting Numbers: [50] 50,25 unequal: No Solution Exploring Operation: 53*103=5459, Resulting Numbers: [5459] 5459,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 25:[97, 59], Operations: ['64-11=53', '6+53=59'] Exploring Operation: 97-59=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 97*59=5723, Resulting Numbers: [5723] 5723,25 unequal: No Solution Exploring Operation: 97+59=156, Resulting Numbers: [156] 156,25 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: 25:[64, 6, 86], Operations: ['97-11=86'] Exploring Operation: 64-6=58, Resulting Numbers: [86, 58] Generated Node #0,1,0: 25:[86, 58] Operation: 64-6=58 Exploring Operation: 6+86=92, Resulting Numbers: [64, 92] Generated Node #0,1,1: 25:[64, 92] Operation: 6+86=92 Exploring Operation: 86-6=80, Resulting Numbers: [64, 80] Generated Node #0,1,2: 25:[64, 80] Operation: 86-6=80 Exploring Operation: 86-64=22, Resulting Numbers: [6, 22] Generated Node #0,1,3: 25:[6, 22] Operation: 86-64=22 Exploring Operation: 64+6=70, Resulting Numbers: [86, 70] Generated Node #0,1,4: 25:[86, 70] Operation: 64+6=70 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 25:[6, 22], Operations: ['97-11=86', '86-64=22'] Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,25 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,25 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,25 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:[86, 58], Operations: ['97-11=86', '64-6=58'] Exploring Operation: 86+58=144, Resulting Numbers: [144] 144,25 unequal: No Solution Exploring Operation: 86*58=4988, Resulting Numbers: [4988] 4988,25 unequal: No Solution Exploring Operation: 86-58=28, Resulting Numbers: [28] 28,25 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 #0,1,2 Current State: 25:[64, 80], Operations: ['97-11=86', '86-6=80'] Exploring Operation: 64+80=144, Resulting Numbers: [144] 144,25 unequal: No Solution Exploring Operation: 64*80=5120, Resulting Numbers: [5120] 5120,25 unequal: No Solution Exploring Operation: 80-64=16, Resulting Numbers: [16] 16,25 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:[64, 92], Operations: ['97-11=86', '6+86=92'] Exploring Operation: 64*92=5888, Resulting Numbers: [5888] 5888,25 unequal: No Solution Exploring Operation: 92-64=28, Resulting Numbers: [28] 28,25 unequal: No Solution Exploring Operation: 64+92=156, Resulting Numbers: [156] 156,25 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 #0,1,4 Current State: 25:[86, 70], Operations: ['97-11=86', '64+6=70'] Exploring Operation: 86*70=6020, Resulting Numbers: [6020] 6020,25 unequal: No Solution Exploring Operation: 86+70=156, Resulting Numbers: [156] 156,25 unequal: No Solution Exploring Operation: 86-70=16, Resulting Numbers: [16] 16,25 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: 25:[97, 11, 58], Operations: ['64-6=58'] Exploring Operation: 97+11=108, Resulting Numbers: [58, 108] Generated Node #0,0,0: 25:[58, 108] Operation: 97+11=108 Exploring Operation: 58-11=47, Resulting Numbers: [97, 47] Generated Node #0,0,1: 25:[97, 47] Operation: 58-11=47 Exploring Operation: 11+58=69, Resulting Numbers: [97, 69] Generated Node #0,0,2: 25:[97, 69] Operation: 11+58=69 Exploring Operation: 97-11=86, Resulting Numbers: [58, 86] Generated Node #0,0,3: 25:[58, 86] Operation: 97-11=86 Exploring Operation: 97-58=39, Resulting Numbers: [11, 39] Generated Node #0,0,4: 25:[11, 39] Operation: 97-58=39 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 25:[11, 39], Operations: ['64-6=58', '97-58=39'] Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,25 unequal: No Solution Exploring Operation: 11+39=50, Resulting Numbers: [50] 50,25 unequal: No Solution Exploring Operation: 11*39=429, Resulting Numbers: [429] 429,25 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 #0,0,1 Current State: 25:[97, 47], Operations: ['64-6=58', '58-11=47'] Exploring Operation: 97+47=144, Resulting Numbers: [144] 144,25 unequal: No Solution Exploring Operation: 97*47=4559, Resulting Numbers: [4559] 4559,25 unequal: No Solution Exploring Operation: 97-47=50, Resulting Numbers: [50] 50,25 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 #0,0,3 Current State: 25:[58, 86], Operations: ['64-6=58', '97-11=86'] Exploring Operation: 86-58=28, Resulting Numbers: [28] 28,25 unequal: No Solution Exploring Operation: 58*86=4988, Resulting Numbers: [4988] 4988,25 unequal: No Solution Exploring Operation: 58+86=144, Resulting Numbers: [144] 144,25 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 #0,0,0 Current State: 25:[58, 108], Operations: ['64-6=58', '97+11=108'] Exploring Operation: 108-58=50, Resulting Numbers: [50] 50,25 unequal: No Solution Exploring Operation: 58*108=6264, Resulting Numbers: [6264] 6264,25 unequal: No Solution Exploring Operation: 58+108=166, Resulting Numbers: [166] 166,25 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 #0,0,2 Current State: 25:[97, 69], Operations: ['64-6=58', '11+58=69'] Exploring Operation: 97+69=166, Resulting Numbers: [166] 166,25 unequal: No Solution Exploring Operation: 97-69=28, Resulting Numbers: [28] 28,25 unequal: No Solution Exploring Operation: 97*69=6693, Resulting Numbers: [6693] 6693,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 25:[64, 11, 91], Operations: ['97-6=91'] Exploring Operation: 91-11=80, Resulting Numbers: [64, 80] Generated Node #0,4,0: 25:[64, 80] Operation: 91-11=80 Exploring Operation: 91-64=27, Resulting Numbers: [11, 27] Generated Node #0,4,1: 25:[11, 27] Operation: 91-64=27 Exploring Operation: 64-11=53, Resulting Numbers: [91, 53] Generated Node #0,4,2: 25:[91, 53] Operation: 64-11=53 Exploring Operation: 64+11=75, Resulting Numbers: [91, 75] Generated Node #0,4,3: 25:[91, 75] Operation: 64+11=75 Exploring Operation: 11+91=102, Resulting Numbers: [64, 102] Generated Node #0,4,4: 25:[64, 102] Operation: 11+91=102 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 25:[11, 27], Operations: ['97-6=91', '91-64=27'] Exploring Operation: 11+27=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 11*27=297, Resulting Numbers: [297] 297,25 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 25:[64, 80], Operations: ['97-6=91', '91-11=80'] Exploring Operation: 64+80=144, Resulting Numbers: [144] 144,25 unequal: No Solution Exploring Operation: 80-64=16, Resulting Numbers: [16] 16,25 unequal: No Solution Exploring Operation: 64*80=5120, Resulting Numbers: [5120] 5120,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 25:[91, 53], Operations: ['97-6=91', '64-11=53'] Exploring Operation: 91+53=144, Resulting Numbers: [144] 144,25 unequal: No Solution Exploring Operation: 91-53=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 91*53=4823, Resulting Numbers: [4823] 4823,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 25:[91, 75], Operations: ['97-6=91', '64+11=75'] Exploring Operation: 91*75=6825, Resulting Numbers: [6825] 6825,25 unequal: No Solution Exploring Operation: 91-75=16, Resulting Numbers: [16] 16,25 unequal: No Solution Exploring Operation: 91+75=166, Resulting Numbers: [166] 166,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 25:[64, 102], Operations: ['97-6=91', '11+91=102'] Exploring Operation: 102-64=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 64*102=6528, Resulting Numbers: [6528] 6528,25 unequal: No Solution Exploring Operation: 64+102=166, Resulting Numbers: [166] 166,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,2 Current State: 25:[6, 3], Operations: ['97-64=33', '33/11=3'] Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,25 unequal: No Solution Moving to Node #0,3,4 Current State: 25:[6, 22], Operations: ['97-64=33', '33-11=22'] Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,25 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,25 unequal: No Solution Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,25 unequal: No Solution Moving to Node #0,3,0 Current State: 25:[11, 27], Operations: ['97-64=33', '33-6=27'] Exploring Operation: 11*27=297, Resulting Numbers: [297] 297,25 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,25 unequal: No Solution Exploring Operation: 11+27=38, Resulting Numbers: [38] 38,25 unequal: No Solution Moving to Node #0,3,3 Current State: 25:[33, 5], Operations: ['97-64=33', '11-6=5'] Exploring Operation: 33+5=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,25 unequal: No Solution Exploring Operation: 33*5=165, Resulting Numbers: [165] 165,25 unequal: No Solution Moving to Node #0,3,1 Current State: 25:[33, 17], Operations: ['97-64=33', '6+11=17'] Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,25 unequal: No Solution Exploring Operation: 33+17=50, Resulting Numbers: [50] 50,25 unequal: No Solution Exploring Operation: 33*17=561, Resulting Numbers: [561] 561,25 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 26, 41, 10, 19 ]
76
[ "26+41=67", "19-10=9", "67+9=76" ]
Current State: 76:[26, 41, 10, 19], Operations: [] Exploring Operation: 26+41=67, Resulting Numbers: [10, 19, 67] Generated Node #2: [10, 19, 67] from Operation: 26+41=67 Current State: 76:[10, 19, 67], Operations: ['26+41=67'] Exploring Operation: 19-10=9, Resulting Numbers: [67, 9] Generated Node #3: [67, 9] from Operation: 19-10=9 Current State: 76:[67, 9], Operations: ['26+41=67', '19-10=9'] Exploring Operation: 67+9=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[26, 41, 10, 19], Operations: [] Exploring Operation: 41-26=15, Resulting Numbers: [10, 19, 15] Generated Node #0,0: 76:[10, 19, 15] Operation: 41-26=15 Exploring Operation: 26-19=7, Resulting Numbers: [41, 10, 7] Generated Node #0,1: 76:[41, 10, 7] Operation: 26-19=7 Exploring Operation: 26+10=36, Resulting Numbers: [41, 19, 36] Generated Node #0,2: 76:[41, 19, 36] Operation: 26+10=36 Exploring Operation: 26-10=16, Resulting Numbers: [41, 19, 16] Generated Node #0,3: 76:[41, 19, 16] Operation: 26-10=16 Exploring Operation: 41-10=31, Resulting Numbers: [26, 19, 31] Generated Node #0,4: 76:[26, 19, 31] Operation: 41-10=31 Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[41, 19, 36], Operations: ['26+10=36'] Exploring Operation: 41+36=77, Resulting Numbers: [19, 77] Generated Node #0,2,0: 76:[19, 77] Operation: 41+36=77 Exploring Operation: 41-19=22, Resulting Numbers: [36, 22] Generated Node #0,2,1: 76:[36, 22] Operation: 41-19=22 Exploring Operation: 41+19=60, Resulting Numbers: [36, 60] Generated Node #0,2,2: 76:[36, 60] Operation: 41+19=60 Exploring Operation: 36-19=17, Resulting Numbers: [41, 17] Generated Node #0,2,3: 76:[41, 17] Operation: 36-19=17 Exploring Operation: 41-36=5, Resulting Numbers: [19, 5] Generated Node #0,2,4: 76:[19, 5] Operation: 41-36=5 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 76:[19, 77], Operations: ['26+10=36', '41+36=77'] Exploring Operation: 19*77=1463, Resulting Numbers: [1463] 1463,76 unequal: No Solution Exploring Operation: 19+77=96, Resulting Numbers: [96] 96,76 unequal: No Solution Exploring Operation: 77-19=58, Resulting Numbers: [58] 58,76 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 #0,2,4 Current State: 76:[19, 5], Operations: ['26+10=36', '41-36=5'] Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,76 unequal: No Solution Exploring Operation: 19+5=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,76 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:[36, 22], Operations: ['26+10=36', '41-19=22'] Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,76 unequal: No Solution Exploring Operation: 36+22=58, Resulting Numbers: [58] 58,76 unequal: No Solution Exploring Operation: 36*22=792, Resulting Numbers: [792] 792,76 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:[41, 17], Operations: ['26+10=36', '36-19=17'] Exploring Operation: 41*17=697, Resulting Numbers: [697] 697,76 unequal: No Solution Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 41+17=58, Resulting Numbers: [58] 58,76 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:[36, 60], Operations: ['26+10=36', '41+19=60'] Exploring Operation: 60-36=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 36*60=2160, Resulting Numbers: [2160] 2160,76 unequal: No Solution Exploring Operation: 36+60=96, Resulting Numbers: [96] 96,76 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:[41, 19, 16], Operations: ['26-10=16'] Exploring Operation: 41-16=25, Resulting Numbers: [19, 25] Generated Node #0,3,0: 76:[19, 25] Operation: 41-16=25 Exploring Operation: 19+16=35, Resulting Numbers: [41, 35] Generated Node #0,3,1: 76:[41, 35] Operation: 19+16=35 Exploring Operation: 19-16=3, Resulting Numbers: [41, 3] Generated Node #0,3,2: 76:[41, 3] Operation: 19-16=3 Exploring Operation: 41+19=60, Resulting Numbers: [16, 60] Generated Node #0,3,3: 76:[16, 60] Operation: 41+19=60 Exploring Operation: 41-19=22, Resulting Numbers: [16, 22] Generated Node #0,3,4: 76:[16, 22] Operation: 41-19=22 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 76:[41, 3], Operations: ['26-10=16', '19-16=3'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,76 unequal: No Solution Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,76 unequal: No Solution Exploring Operation: 41*3=123, Resulting Numbers: [123] 123,76 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:[19, 25], Operations: ['26-10=16', '41-16=25'] Exploring Operation: 19*25=475, Resulting Numbers: [475] 475,76 unequal: No Solution Exploring Operation: 25-19=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 19+25=44, Resulting Numbers: [44] 44,76 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:[41, 35], Operations: ['26-10=16', '19+16=35'] Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[26, 41, 10, 19], Operations: [] Exploring Operation: 26-10=16, Resulting Numbers: [41, 19, 16] Generated Node #0,3: 76:[41, 19, 16] Operation: 26-10=16 Moving to Node #0,3 Current State: 76:[41, 19, 16], Operations: ['26-10=16'] Exploring Operation: 19+16=35, Resulting Numbers: [41, 35] Generated Node #0,3,1: 76:[41, 35] Operation: 19+16=35 Moving to Node #0,3,1 Current State: 76:[41, 35], Operations: ['26-10=16', '19+16=35'] Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.963542
hs_5
mult_heuristic
[ 10, 30, 92, 30 ]
10
[ "30-30=0", "92*0=0", "10+0=10" ]
Current State: 10:[10, 30, 92, 30], Operations: [] Exploring Operation: 30-30=0, Resulting Numbers: [10, 92, 0] Generated Node #2: [10, 92, 0] from Operation: 30-30=0 Current State: 10:[10, 92, 0], Operations: ['30-30=0'] Exploring Operation: 92*0=0, Resulting Numbers: [10, 0] Generated Node #3: [10, 0] from Operation: 92*0=0 Current State: 10:[10, 0], Operations: ['30-30=0', '92*0=0'] Exploring Operation: 10+0=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[10, 30, 92, 30], Operations: [] Exploring Operation: 30/30=1, Resulting Numbers: [10, 92, 1] Generated Node #0,0: 10:[10, 92, 1] Operation: 30/30=1 Exploring Operation: 92-30=62, Resulting Numbers: [10, 30, 62] Generated Node #0,1: 10:[10, 30, 62] Operation: 92-30=62 Exploring Operation: 30-30=0, Resulting Numbers: [10, 92, 0] Generated Node #0,2: 10:[10, 92, 0] Operation: 30-30=0 Exploring Operation: 92-30=62, Resulting Numbers: [10, 30, 62] Generated Node #0,3: 10:[10, 30, 62] Operation: 92-30=62 Moving to Node #0,1 Current State: 10:[10, 30, 62], Operations: ['92-30=62'] Exploring Operation: 30-10=20, Resulting Numbers: [62, 20] Generated Node #0,1,0: 10:[62, 20] Operation: 30-10=20 Exploring Operation: 62-30=32, Resulting Numbers: [10, 32] Generated Node #0,1,1: 10:[10, 32] Operation: 62-30=32 Exploring Operation: 30/10=3, Resulting Numbers: [62, 3] Generated Node #0,1,2: 10:[62, 3] Operation: 30/10=3 Exploring Operation: 62-10=52, Resulting Numbers: [30, 52] Generated Node #0,1,3: 10:[30, 52] Operation: 62-10=52 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 10:[10, 32], Operations: ['92-30=62', '62-30=32'] Exploring Operation: 10*32=320, Resulting Numbers: [320] 320,10 unequal: No Solution Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,10 unequal: No Solution Exploring Operation: 10+32=42, Resulting Numbers: [42] 42,10 unequal: No Solution No 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: 10:[62, 3], Operations: ['92-30=62', '30/10=3'] Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,10 unequal: No Solution Exploring Operation: 62+3=65, Resulting Numbers: [65] 65,10 unequal: No Solution Exploring Operation: 62*3=186, Resulting Numbers: [186] 186,10 unequal: No Solution No 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: 10:[62, 20], Operations: ['92-30=62', '30-10=20'] Exploring Operation: 62+20=82, Resulting Numbers: [82] 82,10 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,10 unequal: No Solution Exploring Operation: 62*20=1240, Resulting Numbers: [1240] 1240,10 unequal: No Solution No 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: 10:[30, 52], Operations: ['92-30=62', '62-10=52'] Exploring Operation: 30+52=82, Resulting Numbers: [82] 82,10 unequal: No Solution Exploring Operation: 52-30=22, Resulting Numbers: [22] 22,10 unequal: No Solution Exploring Operation: 30*52=1560, Resulting Numbers: [1560] 1560,10 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: 10:[10, 30, 62], Operations: ['92-30=62'] Exploring Operation: 62-10=52, Resulting Numbers: [30, 52] Generated Node #0,3,0: 10:[30, 52] Operation: 62-10=52 Exploring Operation: 30-10=20, Resulting Numbers: [62, 20] Generated Node #0,3,1: 10:[62, 20] Operation: 30-10=20 Exploring Operation: 62-30=32, Resulting Numbers: [10, 32] Generated Node #0,3,2: 10:[10, 32] Operation: 62-30=32 Exploring Operation: 30/10=3, Resulting Numbers: [62, 3] Generated Node #0,3,3: 10:[62, 3] Operation: 30/10=3 Moving to Node #0,0 Current State: 10:[10, 92, 1], Operations: ['30/30=1'] Exploring Operation: 92-1=91, Resulting Numbers: [10, 91] Generated Node #0,0,0: 10:[10, 91] Operation: 92-1=91 Exploring Operation: 10*1=10, Resulting Numbers: [92, 10] Generated Node #0,0,1: 10:[92, 10] Operation: 10*1=10 Exploring Operation: 92-10=82, Resulting Numbers: [1, 82] Generated Node #0,0,2: 10:[1, 82] Operation: 92-10=82 Exploring Operation: 10/1=10, Resulting Numbers: [92, 10] Generated Node #0,0,3: 10:[92, 10] Operation: 10/1=10 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 10:[1, 82], Operations: ['30/30=1', '92-10=82'] Exploring Operation: 1+82=83, Resulting Numbers: [83] 83,10 unequal: No Solution Exploring Operation: 1*82=82, Resulting Numbers: [82] 82,10 unequal: No Solution Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,10 unequal: No Solution Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,10 unequal: No Solution No solution 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: 10:[10, 91], Operations: ['30/30=1', '92-1=91'] Exploring Operation: 91-10=81, Resulting Numbers: [81] 81,10 unequal: No Solution Exploring Operation: 10*91=910, Resulting Numbers: [910] 910,10 unequal: No Solution Exploring Operation: 10+91=101, Resulting Numbers: [101] 101,10 unequal: No Solution No solution 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: 10:[92, 10], Operations: ['30/30=1', '10*1=10'] Exploring Operation: 92-10=82, Resulting Numbers: [82] 82,10 unequal: No Solution Exploring Operation: 92+10=102, Resulting Numbers: [102] 102,10 unequal: No Solution Exploring Operation: 92*10=920, Resulting Numbers: [920] 920,10 unequal: No Solution No solution 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: 10:[92, 10], Operations: ['30/30=1', '10/1=10'] Exploring Operation: 92*10=920, Resulting Numbers: [920] 920,10 unequal: No Solution Exploring Operation: 92+10=102, Resulting Numbers: [102] 102,10 unequal: No Solution Exploring Operation: 92-10=82, Resulting Numbers: [82] 82,10 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: 10:[10, 92, 0], Operations: ['30-30=0'] Exploring Operation: 92*0=0, Resulting Numbers: [10, 0] Generated Node #0,2,0: 10:[10, 0] Operation: 92*0=0 Exploring Operation: 10-0=10, Resulting Numbers: [92, 10] Generated Node #0,2,1: 10:[92, 10] Operation: 10-0=10 Exploring Operation: 92-10=82, Resulting Numbers: [0, 82] Generated Node #0,2,2: 10:[0, 82] Operation: 92-10=82 Exploring Operation: 10+0=10, Resulting Numbers: [92, 10] Generated Node #0,2,3: 10:[92, 10] Operation: 10+0=10 Moving to Node #0,2,0 Current State: 10:[10, 0], Operations: ['30-30=0', '92*0=0'] Exploring Operation: 10-0=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[10, 30, 92, 30], Operations: [] Exploring Operation: 30-30=0, Resulting Numbers: [10, 92, 0] Generated Node #0,2: 10:[10, 92, 0] Operation: 30-30=0 Moving to Node #0,2 Current State: 10:[10, 92, 0], Operations: ['30-30=0'] Exploring Operation: 92*0=0, Resulting Numbers: [10, 0] Generated Node #0,2,0: 10:[10, 0] Operation: 92*0=0 Moving to Node #0,2,0 Current State: 10:[10, 0], Operations: ['30-30=0', '92*0=0'] Exploring Operation: 10-0=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
0.956597
hs_4
mult_heuristic
[ 14, 90, 74, 61 ]
90
[ "74-14=60", "61-60=1", "90*1=90" ]
Current State: 90:[14, 90, 74, 61], Operations: [] Exploring Operation: 74-14=60, Resulting Numbers: [90, 61, 60] Generated Node #2: [90, 61, 60] from Operation: 74-14=60 Current State: 90:[90, 61, 60], Operations: ['74-14=60'] Exploring Operation: 61-60=1, Resulting Numbers: [90, 1] Generated Node #3: [90, 1] from Operation: 61-60=1 Current State: 90:[90, 1], Operations: ['74-14=60', '61-60=1'] Exploring Operation: 90*1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[14, 90, 74, 61], Operations: [] Exploring Operation: 90-61=29, Resulting Numbers: [14, 74, 29] Generated Node #0,0: 90:[14, 74, 29] Operation: 90-61=29 Exploring Operation: 14+74=88, Resulting Numbers: [90, 61, 88] Generated Node #0,1: 90:[90, 61, 88] Operation: 14+74=88 Exploring Operation: 90-74=16, Resulting Numbers: [14, 61, 16] Generated Node #0,2: 90:[14, 61, 16] Operation: 90-74=16 Exploring Operation: 74-61=13, Resulting Numbers: [14, 90, 13] Generated Node #0,3: 90:[14, 90, 13] Operation: 74-61=13 Exploring Operation: 61-14=47, Resulting Numbers: [90, 74, 47] Generated Node #0,4: 90:[90, 74, 47] Operation: 61-14=47 Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[14, 90, 13], Operations: ['74-61=13'] Exploring Operation: 90+13=103, Resulting Numbers: [14, 103] Generated Node #0,3,0: 90:[14, 103] Operation: 90+13=103 Exploring Operation: 14-13=1, Resulting Numbers: [90, 1] Generated Node #0,3,1: 90:[90, 1] Operation: 14-13=1 Exploring Operation: 14+13=27, Resulting Numbers: [90, 27] Generated Node #0,3,2: 90:[90, 27] Operation: 14+13=27 Exploring Operation: 90-13=77, Resulting Numbers: [14, 77] Generated Node #0,3,3: 90:[14, 77] Operation: 90-13=77 Exploring Operation: 14+90=104, Resulting Numbers: [13, 104] Generated Node #0,3,4: 90:[13, 104] Operation: 14+90=104 Moving to Node #0,3,1 Current State: 90:[90, 1], Operations: ['74-61=13', '14-13=1'] Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,90 unequal: No Solution Exploring Operation: 90/1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[14, 90, 74, 61], Operations: [] Exploring Operation: 74-61=13, Resulting Numbers: [14, 90, 13] Generated Node #0,3: 90:[14, 90, 13] Operation: 74-61=13 Moving to Node #0,3 Current State: 90:[14, 90, 13], Operations: ['74-61=13'] Exploring Operation: 14-13=1, Resulting Numbers: [90, 1] Generated Node #0,3,1: 90:[90, 1] Operation: 14-13=1 Moving to Node #0,3,1 Current State: 90:[90, 1], Operations: ['74-61=13', '14-13=1'] Exploring Operation: 90/1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 49, 31, 24, 1 ]
55
[ "49+31=80", "24+1=25", "80-25=55" ]
Current State: 55:[49, 31, 24, 1], Operations: [] Exploring Operation: 49+31=80, Resulting Numbers: [24, 1, 80] Generated Node #2: [24, 1, 80] from Operation: 49+31=80 Current State: 55:[24, 1, 80], Operations: ['49+31=80'] Exploring Operation: 24+1=25, Resulting Numbers: [80, 25] Generated Node #3: [80, 25] from Operation: 24+1=25 Current State: 55:[80, 25], Operations: ['49+31=80', '24+1=25'] Exploring Operation: 80-25=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[49, 31, 24, 1], Operations: [] Exploring Operation: 31-24=7, Resulting Numbers: [49, 1, 7] Generated Node #0,0: 55:[49, 1, 7] Operation: 31-24=7 Exploring Operation: 31+24=55, Resulting Numbers: [49, 1, 55] Generated Node #0,1: 55:[49, 1, 55] Operation: 31+24=55 Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[49, 1, 55], Operations: ['31+24=55'] Exploring Operation: 55-49=6, Resulting Numbers: [1, 6] Generated Node #0,1,0: 55:[1, 6] Operation: 55-49=6 Exploring Operation: 49+1=50, Resulting Numbers: [55, 50] Generated Node #0,1,1: 55:[55, 50] Operation: 49+1=50 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 55:[1, 6], Operations: ['31+24=55', '55-49=6'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,55 unequal: No Solution No 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: 55:[55, 50], Operations: ['31+24=55', '49+1=50'] Exploring Operation: 55+50=105, Resulting Numbers: [105] 105,55 unequal: No Solution Exploring Operation: 55-50=5, Resulting Numbers: [5] 5,55 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: 55:[49, 1, 7], Operations: ['31-24=7'] Exploring Operation: 49+7=56, Resulting Numbers: [1, 56] Generated Node #0,0,0: 55:[1, 56] Operation: 49+7=56 Exploring Operation: 49/7=7, Resulting Numbers: [1, 7] Generated Node #0,0,1: 55:[1, 7] Operation: 49/7=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 55:[1, 56], Operations: ['31-24=7', '49+7=56'] Exploring Operation: 1*56=56, Resulting Numbers: [56] 56,55 unequal: No Solution Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[49, 31, 24, 1], Operations: [] Exploring Operation: 31-24=7, Resulting Numbers: [49, 1, 7] Generated Node #0,0: 55:[49, 1, 7] Operation: 31-24=7 Moving to Node #0,0 Current State: 55:[49, 1, 7], Operations: ['31-24=7'] Exploring Operation: 49+7=56, Resulting Numbers: [1, 56] Generated Node #0,0,0: 55:[1, 56] Operation: 49+7=56 Moving to Node #0,0,0 Current State: 55:[1, 56], Operations: ['31-24=7', '49+7=56'] Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 98, 43, 95, 97 ]
57
[ "98-43=55", "97-95=2", "55+2=57" ]
Current State: 57:[98, 43, 95, 97], Operations: [] Exploring Operation: 98-43=55, Resulting Numbers: [95, 97, 55] Generated Node #2: [95, 97, 55] from Operation: 98-43=55 Current State: 57:[95, 97, 55], Operations: ['98-43=55'] Exploring Operation: 97-95=2, Resulting Numbers: [55, 2] Generated Node #3: [55, 2] from Operation: 97-95=2 Current State: 57:[55, 2], Operations: ['98-43=55', '97-95=2'] Exploring Operation: 55+2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[98, 43, 95, 97], Operations: [] Exploring Operation: 98-95=3, Resulting Numbers: [43, 97, 3] Generated Node #0,0: 57:[43, 97, 3] Operation: 98-95=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[43, 97, 3], Operations: ['98-95=3'] Exploring Operation: 97-43=54, Resulting Numbers: [3, 54] Generated Node #0,0,0: 57:[3, 54] Operation: 97-43=54 Moving to Node #0,0,0 Current State: 57:[3, 54], Operations: ['98-95=3', '97-43=54'] Exploring Operation: 3+54=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[98, 43, 95, 97], Operations: [] Exploring Operation: 98-95=3, Resulting Numbers: [43, 97, 3] Generated Node #0,0: 57:[43, 97, 3] Operation: 98-95=3 Moving to Node #0,0 Current State: 57:[43, 97, 3], Operations: ['98-95=3'] Exploring Operation: 97-43=54, Resulting Numbers: [3, 54] Generated Node #0,0,0: 57:[3, 54] Operation: 97-43=54 Moving to Node #0,0,0 Current State: 57:[3, 54], Operations: ['98-95=3', '97-43=54'] Exploring Operation: 3+54=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 93, 79, 50, 88 ]
52
[ "93-79=14", "88-50=38", "14+38=52" ]
Current State: 52:[93, 79, 50, 88], Operations: [] Exploring Operation: 93-79=14, Resulting Numbers: [50, 88, 14] Generated Node #2: [50, 88, 14] from Operation: 93-79=14 Current State: 52:[50, 88, 14], Operations: ['93-79=14'] Exploring Operation: 88-50=38, Resulting Numbers: [14, 38] Generated Node #3: [14, 38] from Operation: 88-50=38 Current State: 52:[14, 38], Operations: ['93-79=14', '88-50=38'] Exploring Operation: 14+38=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[93, 79, 50, 88], Operations: [] Exploring Operation: 93-88=5, Resulting Numbers: [79, 50, 5] Generated Node #0,0: 52:[79, 50, 5] Operation: 93-88=5 Exploring Operation: 93-50=43, Resulting Numbers: [79, 88, 43] Generated Node #0,1: 52:[79, 88, 43] Operation: 93-50=43 Exploring Operation: 88-79=9, Resulting Numbers: [93, 50, 9] Generated Node #0,2: 52:[93, 50, 9] Operation: 88-79=9 Exploring Operation: 93-79=14, Resulting Numbers: [50, 88, 14] Generated Node #0,3: 52:[50, 88, 14] Operation: 93-79=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[79, 50, 5], Operations: ['93-88=5'] Exploring Operation: 50+5=55, Resulting Numbers: [79, 55] Generated Node #0,0,0: 52:[79, 55] Operation: 50+5=55 Exploring Operation: 50/5=10, Resulting Numbers: [79, 10] Generated Node #0,0,1: 52:[79, 10] Operation: 50/5=10 Exploring Operation: 79-50=29, Resulting Numbers: [5, 29] Generated Node #0,0,2: 52:[5, 29] Operation: 79-50=29 Exploring Operation: 79-5=74, Resulting Numbers: [50, 74] Generated Node #0,0,3: 52:[50, 74] Operation: 79-5=74 Moving to Node #0,0,2 Current State: 52:[5, 29], Operations: ['93-88=5', '79-50=29'] Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,52 unequal: No Solution Exploring Operation: 5*29=145, Resulting Numbers: [145] 145,52 unequal: No Solution Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,52 unequal: No Solution Moving to Node #0,0,3 Current State: 52:[50, 74], Operations: ['93-88=5', '79-5=74'] Exploring Operation: 50*74=3700, Resulting Numbers: [3700] 3700,52 unequal: No Solution Exploring Operation: 74-50=24, Resulting Numbers: [24] 24,52 unequal: No Solution Exploring Operation: 50+74=124, Resulting Numbers: [124] 124,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[79, 10], Operations: ['93-88=5', '50/5=10'] Exploring Operation: 79-10=69, Resulting Numbers: [69] 69,52 unequal: No Solution Exploring Operation: 79*10=790, Resulting Numbers: [790] 790,52 unequal: No Solution Exploring Operation: 79+10=89, Resulting Numbers: [89] 89,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[79, 55], Operations: ['93-88=5', '50+5=55'] Exploring Operation: 79+55=134, Resulting Numbers: [134] 134,52 unequal: No Solution Exploring Operation: 79-55=24, Resulting Numbers: [24] 24,52 unequal: No Solution Exploring Operation: 79*55=4345, Resulting Numbers: [4345] 4345,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 52:[50, 88, 14], Operations: ['93-79=14'] Exploring Operation: 50-14=36, Resulting Numbers: [88, 36] Generated Node #0,3,0: 52:[88, 36] Operation: 50-14=36 Exploring Operation: 88-50=38, Resulting Numbers: [14, 38] Generated Node #0,3,1: 52:[14, 38] Operation: 88-50=38 Exploring Operation: 50+14=64, Resulting Numbers: [88, 64] Generated Node #0,3,2: 52:[88, 64] Operation: 50+14=64 Exploring Operation: 88-14=74, Resulting Numbers: [50, 74] Generated Node #0,3,3: 52:[50, 74] Operation: 88-14=74 Moving to Node #0,3,1 Current State: 52:[14, 38], Operations: ['93-79=14', '88-50=38'] Exploring Operation: 14+38=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[93, 79, 50, 88], Operations: [] Exploring Operation: 93-79=14, Resulting Numbers: [50, 88, 14] Generated Node #0,3: 52:[50, 88, 14] Operation: 93-79=14 Moving to Node #0,3 Current State: 52:[50, 88, 14], Operations: ['93-79=14'] Exploring Operation: 88-50=38, Resulting Numbers: [14, 38] Generated Node #0,3,1: 52:[14, 38] Operation: 88-50=38 Moving to Node #0,3,1 Current State: 52:[14, 38], Operations: ['93-79=14', '88-50=38'] Exploring Operation: 14+38=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_4
sum_heuristic
[ 96, 92, 72, 76 ]
40
[ "96+92=188", "72+76=148", "188-148=40" ]
Current State: 40:[96, 92, 72, 76], Operations: [] Exploring Operation: 96+92=188, Resulting Numbers: [72, 76, 188] Generated Node #2: [72, 76, 188] from Operation: 96+92=188 Current State: 40:[72, 76, 188], Operations: ['96+92=188'] Exploring Operation: 72+76=148, Resulting Numbers: [188, 148] Generated Node #3: [188, 148] from Operation: 72+76=148 Current State: 40:[188, 148], Operations: ['96+92=188', '72+76=148'] Exploring Operation: 188-148=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[96, 92, 72, 76], Operations: [] Exploring Operation: 96-72=24, Resulting Numbers: [92, 76, 24] Generated Node #0,0: 40:[92, 76, 24] Operation: 96-72=24 Exploring Operation: 96-92=4, Resulting Numbers: [72, 76, 4] Generated Node #0,1: 40:[72, 76, 4] Operation: 96-92=4 Exploring Operation: 96-76=20, Resulting Numbers: [92, 72, 20] Generated Node #0,2: 40:[92, 72, 20] Operation: 96-76=20 Exploring Operation: 92-72=20, Resulting Numbers: [96, 76, 20] Generated Node #0,3: 40:[96, 76, 20] Operation: 92-72=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[72, 76, 4], Operations: ['96-92=4'] Exploring Operation: 76-72=4, Resulting Numbers: [4, 4] Generated Node #0,1,0: 40:[4, 4] Operation: 76-72=4 Exploring Operation: 72-4=68, Resulting Numbers: [76, 68] Generated Node #0,1,1: 40:[76, 68] Operation: 72-4=68 Exploring Operation: 72/4=18, Resulting Numbers: [76, 18] Generated Node #0,1,2: 40:[76, 18] Operation: 72/4=18 Exploring Operation: 76/4=19, Resulting Numbers: [72, 19] Generated Node #0,1,3: 40:[72, 19] Operation: 76/4=19 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 40:[4, 4], Operations: ['96-92=4', '76-72=4'] Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,40 unequal: No Solution Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,40 unequal: No Solution Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 40:[72, 19], Operations: ['96-92=4', '76/4=19'] Exploring Operation: 72*19=1368, Resulting Numbers: [1368] 1368,40 unequal: No Solution Exploring Operation: 72+19=91, Resulting Numbers: [91] 91,40 unequal: No Solution Exploring Operation: 72-19=53, Resulting Numbers: [53] 53,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 40:[76, 18], Operations: ['96-92=4', '72/4=18'] Exploring Operation: 76*18=1368, Resulting Numbers: [1368] 1368,40 unequal: No Solution Exploring Operation: 76+18=94, Resulting Numbers: [94] 94,40 unequal: No Solution Exploring Operation: 76-18=58, Resulting Numbers: [58] 58,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 40:[76, 68], Operations: ['96-92=4', '72-4=68'] Exploring Operation: 76*68=5168, Resulting Numbers: [5168] 5168,40 unequal: No Solution Exploring Operation: 76-68=8, Resulting Numbers: [8] 8,40 unequal: No Solution Exploring Operation: 76+68=144, Resulting Numbers: [144] 144,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 40:[92, 72, 20], Operations: ['96-76=20'] Exploring Operation: 92+20=112, Resulting Numbers: [72, 112] Generated Node #0,2,0: 40:[72, 112] Operation: 92+20=112 Exploring Operation: 92-20=72, Resulting Numbers: [72, 72] Generated Node #0,2,1: 40:[72, 72] Operation: 92-20=72 Exploring Operation: 72-20=52, Resulting Numbers: [92, 52] Generated Node #0,2,2: 40:[92, 52] Operation: 72-20=52 Exploring Operation: 92-72=20, Resulting Numbers: [20, 20] Generated Node #0,2,3: 40:[20, 20] Operation: 92-72=20 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 40:[20, 20], Operations: ['96-76=20', '92-72=20'] Exploring Operation: 20-20=0, Resulting Numbers: [0] 0,40 unequal: No Solution Exploring Operation: 20+20=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[96, 92, 72, 76], Operations: [] Exploring Operation: 96-76=20, Resulting Numbers: [92, 72, 20] Generated Node #0,2: 40:[92, 72, 20] Operation: 96-76=20 Moving to Node #0,2 Current State: 40:[92, 72, 20], Operations: ['96-76=20'] Exploring Operation: 92-72=20, Resulting Numbers: [20, 20] Generated Node #0,2,3: 40:[20, 20] Operation: 92-72=20 Moving to Node #0,2,3 Current State: 40:[20, 20], Operations: ['96-76=20', '92-72=20'] Exploring Operation: 20+20=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.97309
hs_4
sum_heuristic
[ 29, 5, 82, 6 ]
97
[ "29*6=174", "82-5=77", "174-77=97" ]
Current State: 97:[29, 5, 82, 6], Operations: [] Exploring Operation: 29*6=174, Resulting Numbers: [5, 82, 174] Generated Node #2: [5, 82, 174] from Operation: 29*6=174 Current State: 97:[5, 82, 174], Operations: ['29*6=174'] Exploring Operation: 82-5=77, Resulting Numbers: [174, 77] Generated Node #3: [174, 77] from Operation: 82-5=77 Current State: 97:[174, 77], Operations: ['29*6=174', '82-5=77'] Exploring Operation: 174-77=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[29, 5, 82, 6], Operations: [] Exploring Operation: 29*5=145, Resulting Numbers: [82, 6, 145] Generated Node #0,0: 97:[82, 6, 145] Operation: 29*5=145 Exploring Operation: 29+6=35, Resulting Numbers: [5, 82, 35] Generated Node #0,1: 97:[5, 82, 35] Operation: 29+6=35 Exploring Operation: 29+5=34, Resulting Numbers: [82, 6, 34] Generated Node #0,2: 97:[82, 6, 34] Operation: 29+5=34 Exploring Operation: 5*6=30, Resulting Numbers: [29, 82, 30] Generated Node #0,3: 97:[29, 82, 30] Operation: 5*6=30 Start Sub Search at level 1: Moving to Node #0,3 Current State: 97:[29, 82, 30], Operations: ['5*6=30'] Exploring Operation: 29+30=59, Resulting Numbers: [82, 59] Generated Node #0,3,0: 97:[82, 59] Operation: 29+30=59 Exploring Operation: 82-29=53, Resulting Numbers: [30, 53] Generated Node #0,3,1: 97:[30, 53] Operation: 82-29=53 Exploring Operation: 82+30=112, Resulting Numbers: [29, 112] Generated Node #0,3,2: 97:[29, 112] Operation: 82+30=112 Exploring Operation: 29+82=111, Resulting Numbers: [30, 111] Generated Node #0,3,3: 97:[30, 111] Operation: 29+82=111 Moving to Node #0,3,0 Current State: 97:[82, 59], Operations: ['5*6=30', '29+30=59'] Exploring Operation: 82-59=23, Resulting Numbers: [23] 23,97 unequal: No Solution Exploring Operation: 82+59=141, Resulting Numbers: [141] 141,97 unequal: No Solution Exploring Operation: 82*59=4838, Resulting Numbers: [4838] 4838,97 unequal: No Solution Moving to Node #0,3,3 Current State: 97:[30, 111], Operations: ['5*6=30', '29+82=111'] Exploring Operation: 111-30=81, Resulting Numbers: [81] 81,97 unequal: No Solution Exploring Operation: 30+111=141, Resulting Numbers: [141] 141,97 unequal: No Solution Exploring Operation: 30*111=3330, Resulting Numbers: [3330] 3330,97 unequal: No Solution Moving to Node #0,3,2 Current State: 97:[29, 112], Operations: ['5*6=30', '82+30=112'] Exploring Operation: 112-29=83, Resulting Numbers: [83] 83,97 unequal: No Solution Exploring Operation: 29*112=3248, Resulting Numbers: [3248] 3248,97 unequal: No Solution Exploring Operation: 29+112=141, Resulting Numbers: [141] 141,97 unequal: No Solution Moving to Node #0,3,1 Current State: 97:[30, 53], Operations: ['5*6=30', '82-29=53'] Exploring Operation: 53-30=23, Resulting Numbers: [23] 23,97 unequal: No Solution Exploring Operation: 30+53=83, Resulting Numbers: [83] 83,97 unequal: No Solution Exploring Operation: 30*53=1590, Resulting Numbers: [1590] 1590,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[82, 6, 145], Operations: ['29*5=145'] Exploring Operation: 82-6=76, Resulting Numbers: [145, 76] Generated Node #0,0,0: 97:[145, 76] Operation: 82-6=76 Exploring Operation: 6+145=151, Resulting Numbers: [82, 151] Generated Node #0,0,1: 97:[82, 151] Operation: 6+145=151 Exploring Operation: 145-6=139, Resulting Numbers: [82, 139] Generated Node #0,0,2: 97:[82, 139] Operation: 145-6=139 Exploring Operation: 82+6=88, Resulting Numbers: [145, 88] Generated Node #0,0,3: 97:[145, 88] Operation: 82+6=88 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 97:[82, 139], Operations: ['29*5=145', '145-6=139'] Exploring Operation: 82*139=11398, Resulting Numbers: [11398] 11398,97 unequal: No Solution Exploring Operation: 82+139=221, Resulting Numbers: [221] 221,97 unequal: No Solution Exploring Operation: 139-82=57, Resulting Numbers: [57] 57,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 97:[145, 88], Operations: ['29*5=145', '82+6=88'] Exploring Operation: 145*88=12760, Resulting Numbers: [12760] 12760,97 unequal: No Solution Exploring Operation: 145+88=233, Resulting Numbers: [233] 233,97 unequal: No Solution Exploring Operation: 145-88=57, Resulting Numbers: [57] 57,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[145, 76], Operations: ['29*5=145', '82-6=76'] Exploring Operation: 145+76=221, Resulting Numbers: [221] 221,97 unequal: No Solution Exploring Operation: 145*76=11020, Resulting Numbers: [11020] 11020,97 unequal: No Solution Exploring Operation: 145-76=69, Resulting Numbers: [69] 69,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 97:[82, 151], Operations: ['29*5=145', '6+145=151'] Exploring Operation: 151-82=69, Resulting Numbers: [69] 69,97 unequal: No Solution Exploring Operation: 82*151=12382, Resulting Numbers: [12382] 12382,97 unequal: No Solution Exploring Operation: 82+151=233, Resulting Numbers: [233] 233,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[5, 82, 35], Operations: ['29+6=35'] Exploring Operation: 5+82=87, Resulting Numbers: [35, 87] Generated Node #0,1,0: 97:[35, 87] Operation: 5+82=87 Exploring Operation: 35-5=30, Resulting Numbers: [82, 30] Generated Node #0,1,1: 97:[82, 30] Operation: 35-5=30 Exploring Operation: 82-5=77, Resulting Numbers: [35, 77] Generated Node #0,1,2: 97:[35, 77] Operation: 82-5=77 Exploring Operation: 5+35=40, Resulting Numbers: [82, 40] Generated Node #0,1,3: 97:[82, 40] Operation: 5+35=40 Moving to Node #0,1,0 Current State: 97:[35, 87], Operations: ['29+6=35', '5+82=87'] Exploring Operation: 87-35=52, Resulting Numbers: [52] 52,97 unequal: No Solution Exploring Operation: 35+87=122, Resulting Numbers: [122] 122,97 unequal: No Solution Exploring Operation: 35*87=3045, Resulting Numbers: [3045] 3045,97 unequal: No Solution Moving to Node #0,1,3 Current State: 97:[82, 40], Operations: ['29+6=35', '5+35=40'] Exploring Operation: 82*40=3280, Resulting Numbers: [3280] 3280,97 unequal: No Solution Exploring Operation: 82-40=42, Resulting Numbers: [42] 42,97 unequal: No Solution Exploring Operation: 82+40=122, Resulting Numbers: [122] 122,97 unequal: No Solution Moving to Node #0,1,2 Current State: 97:[35, 77], Operations: ['29+6=35', '82-5=77'] Exploring Operation: 35*77=2695, Resulting Numbers: [2695] 2695,97 unequal: No Solution Exploring Operation: 77-35=42, Resulting Numbers: [42] 42,97 unequal: No Solution Exploring Operation: 35+77=112, Resulting Numbers: [112] 112,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[82, 30], Operations: ['29+6=35', '35-5=30'] Exploring Operation: 82*30=2460, Resulting Numbers: [2460] 2460,97 unequal: No Solution Exploring Operation: 82+30=112, Resulting Numbers: [112] 112,97 unequal: No Solution Exploring Operation: 82-30=52, Resulting Numbers: [52] 52,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 97:[82, 6, 34], Operations: ['29+5=34'] Exploring Operation: 82-6=76, Resulting Numbers: [34, 76] Generated Node #0,2,0: 97:[34, 76] Operation: 82-6=76 Exploring Operation: 6+34=40, Resulting Numbers: [82, 40] Generated Node #0,2,1: 97:[82, 40] Operation: 6+34=40 Exploring Operation: 82+6=88, Resulting Numbers: [34, 88] Generated Node #0,2,2: 97:[34, 88] Operation: 82+6=88 Exploring Operation: 34-6=28, Resulting Numbers: [82, 28] Generated Node #0,2,3: 97:[82, 28] Operation: 34-6=28 Moving to Node #0,2,1 Current State: 97:[82, 40], Operations: ['29+5=34', '6+34=40'] Exploring Operation: 82-40=42, Resulting Numbers: [42] 42,97 unequal: No Solution Exploring Operation: 82*40=3280, Resulting Numbers: [3280] 3280,97 unequal: No Solution Exploring Operation: 82+40=122, Resulting Numbers: [122] 122,97 unequal: No Solution Moving to Node #0,2,2 Current State: 97:[34, 88], Operations: ['29+5=34', '82+6=88'] Exploring Operation: 34*88=2992, Resulting Numbers: [2992] 2992,97 unequal: No Solution Exploring Operation: 34+88=122, Resulting Numbers: [122] 122,97 unequal: No Solution Exploring Operation: 88-34=54, Resulting Numbers: [54] 54,97 unequal: No Solution Moving to Node #0,2,3 Current State: 97:[82, 28], Operations: ['29+5=34', '34-6=28'] Exploring Operation: 82+28=110, Resulting Numbers: [110] 110,97 unequal: No Solution Exploring Operation: 82*28=2296, Resulting Numbers: [2296] 2296,97 unequal: No Solution Exploring Operation: 82-28=54, Resulting Numbers: [54] 54,97 unequal: No Solution Moving to Node #0,2,0 Current State: 97:[34, 76], Operations: ['29+5=34', '82-6=76'] Exploring Operation: 76-34=42, Resulting Numbers: [42] 42,97 unequal: No Solution Exploring Operation: 34+76=110, Resulting Numbers: [110] 110,97 unequal: No Solution Exploring Operation: 34*76=2584, Resulting Numbers: [2584] 2584,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 90, 8, 25, 97 ]
40
[ "90-8=82", "25+97=122", "122-82=40" ]
Current State: 40:[90, 8, 25, 97], Operations: [] Exploring Operation: 90-8=82, Resulting Numbers: [25, 97, 82] Generated Node #2: [25, 97, 82] from Operation: 90-8=82 Current State: 40:[25, 97, 82], Operations: ['90-8=82'] Exploring Operation: 25+97=122, Resulting Numbers: [82, 122] Generated Node #3: [82, 122] from Operation: 25+97=122 Current State: 40:[82, 122], Operations: ['90-8=82', '25+97=122'] Exploring Operation: 122-82=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[90, 8, 25, 97], Operations: [] Exploring Operation: 90-8=82, Resulting Numbers: [25, 97, 82] Generated Node #0,0: 40:[25, 97, 82] Operation: 90-8=82 Exploring Operation: 97-25=72, Resulting Numbers: [90, 8, 72] Generated Node #0,1: 40:[90, 8, 72] Operation: 97-25=72 Exploring Operation: 97-90=7, Resulting Numbers: [8, 25, 7] Generated Node #0,2: 40:[8, 25, 7] Operation: 97-90=7 Exploring Operation: 90-25=65, Resulting Numbers: [8, 97, 65] Generated Node #0,3: 40:[8, 97, 65] Operation: 90-25=65 Start Sub Search at level 1: Moving to Node #0,2 Current State: 40:[8, 25, 7], Operations: ['97-90=7'] Exploring Operation: 8+25=33, Resulting Numbers: [7, 33] Generated Node #0,2,0: 40:[7, 33] Operation: 8+25=33 Exploring Operation: 8-7=1, Resulting Numbers: [25, 1] Generated Node #0,2,1: 40:[25, 1] Operation: 8-7=1 Exploring Operation: 25-8=17, Resulting Numbers: [7, 17] Generated Node #0,2,2: 40:[7, 17] Operation: 25-8=17 Exploring Operation: 25-7=18, Resulting Numbers: [8, 18] Generated Node #0,2,3: 40:[8, 18] Operation: 25-7=18 Moving to Node #0,2,3 Current State: 40:[8, 18], Operations: ['97-90=7', '25-7=18'] Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,40 unequal: No Solution Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,40 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,40 unequal: No Solution Moving to Node #0,2,2 Current State: 40:[7, 17], Operations: ['97-90=7', '25-8=17'] Exploring Operation: 7*17=119, Resulting Numbers: [119] 119,40 unequal: No Solution Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,40 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,40 unequal: No Solution Moving to Node #0,2,1 Current State: 40:[25, 1], Operations: ['97-90=7', '8-7=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,40 unequal: No Solution Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,40 unequal: No Solution Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,40 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,40 unequal: No Solution Moving to Node #0,2,0 Current State: 40:[7, 33], Operations: ['97-90=7', '8+25=33'] Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,40 unequal: No Solution Exploring Operation: 7*33=231, Resulting Numbers: [231] 231,40 unequal: No Solution Exploring Operation: 7+33=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[90, 8, 25, 97], Operations: [] Exploring Operation: 97-90=7, Resulting Numbers: [8, 25, 7] Generated Node #0,2: 40:[8, 25, 7] Operation: 97-90=7 Moving to Node #0,2 Current State: 40:[8, 25, 7], Operations: ['97-90=7'] Exploring Operation: 8+25=33, Resulting Numbers: [7, 33] Generated Node #0,2,0: 40:[7, 33] Operation: 8+25=33 Moving to Node #0,2,0 Current State: 40:[7, 33], Operations: ['97-90=7', '8+25=33'] Exploring Operation: 7+33=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_4
sum_heuristic
[ 84, 36, 77, 53 ]
86
[ "36*77=2772", "2772/84=33", "53+33=86" ]
Current State: 86:[84, 36, 77, 53], Operations: [] Exploring Operation: 36*77=2772, Resulting Numbers: [84, 53, 2772] Generated Node #2: [84, 53, 2772] from Operation: 36*77=2772 Current State: 86:[84, 53, 2772], Operations: ['36*77=2772'] Exploring Operation: 2772/84=33, Resulting Numbers: [53, 33] Generated Node #3: [53, 33] from Operation: 2772/84=33 Current State: 86:[53, 33], Operations: ['36*77=2772', '2772/84=33'] Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[84, 36, 77, 53], Operations: [] Exploring Operation: 84-36=48, Resulting Numbers: [77, 53, 48] Generated Node #0,0: 86:[77, 53, 48] Operation: 84-36=48 Exploring Operation: 84-77=7, Resulting Numbers: [36, 53, 7] Generated Node #0,1: 86:[36, 53, 7] Operation: 84-77=7 Exploring Operation: 36+53=89, Resulting Numbers: [84, 77, 89] Generated Node #0,2: 86:[84, 77, 89] Operation: 36+53=89 Exploring Operation: 77-36=41, Resulting Numbers: [84, 53, 41] Generated Node #0,3: 86:[84, 53, 41] Operation: 77-36=41 Moving to Node #0,2 Current State: 86:[84, 77, 89], Operations: ['36+53=89'] Exploring Operation: 84+77=161, Resulting Numbers: [89, 161] Generated Node #0,2,0: 86:[89, 161] Operation: 84+77=161 Exploring Operation: 84-77=7, Resulting Numbers: [89, 7] Generated Node #0,2,1: 86:[89, 7] Operation: 84-77=7 Exploring Operation: 89-77=12, Resulting Numbers: [84, 12] Generated Node #0,2,2: 86:[84, 12] Operation: 89-77=12 Exploring Operation: 89-84=5, Resulting Numbers: [77, 5] Generated Node #0,2,3: 86:[77, 5] Operation: 89-84=5 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 86:[89, 7], Operations: ['36+53=89', '84-77=7'] Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,86 unequal: No Solution Exploring Operation: 89+7=96, Resulting Numbers: [96] 96,86 unequal: No Solution Exploring Operation: 89*7=623, Resulting Numbers: [623] 623,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 86:[84, 12], Operations: ['36+53=89', '89-77=12'] Exploring Operation: 84*12=1008, Resulting Numbers: [1008] 1008,86 unequal: No Solution Exploring Operation: 84-12=72, Resulting Numbers: [72] 72,86 unequal: No Solution Exploring Operation: 84/12=7, Resulting Numbers: [7] 7,86 unequal: No Solution Exploring Operation: 84+12=96, Resulting Numbers: [96] 96,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 86:[77, 5], Operations: ['36+53=89', '89-84=5'] Exploring Operation: 77+5=82, Resulting Numbers: [82] 82,86 unequal: No Solution Exploring Operation: 77-5=72, Resulting Numbers: [72] 72,86 unequal: No Solution Exploring Operation: 77*5=385, Resulting Numbers: [385] 385,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 86:[89, 161], Operations: ['36+53=89', '84+77=161'] Exploring Operation: 89+161=250, Resulting Numbers: [250] 250,86 unequal: No Solution Exploring Operation: 89*161=14329, Resulting Numbers: [14329] 14329,86 unequal: No Solution Exploring Operation: 161-89=72, Resulting Numbers: [72] 72,86 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: 86:[84, 53, 41], Operations: ['77-36=41'] Exploring Operation: 53+41=94, Resulting Numbers: [84, 94] Generated Node #0,3,0: 86:[84, 94] Operation: 53+41=94 Exploring Operation: 84-41=43, Resulting Numbers: [53, 43] Generated Node #0,3,1: 86:[53, 43] Operation: 84-41=43 Exploring Operation: 84-53=31, Resulting Numbers: [41, 31] Generated Node #0,3,2: 86:[41, 31] Operation: 84-53=31 Exploring Operation: 53-41=12, Resulting Numbers: [84, 12] Generated Node #0,3,3: 86:[84, 12] Operation: 53-41=12 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 86:[84, 94], Operations: ['77-36=41', '53+41=94'] Exploring Operation: 84+94=178, Resulting Numbers: [178] 178,86 unequal: No Solution Exploring Operation: 94-84=10, Resulting Numbers: [10] 10,86 unequal: No Solution Exploring Operation: 84*94=7896, Resulting Numbers: [7896] 7896,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 86:[53, 43], Operations: ['77-36=41', '84-41=43'] Exploring Operation: 53+43=96, Resulting Numbers: [96] 96,86 unequal: No Solution Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,86 unequal: No Solution Exploring Operation: 53*43=2279, Resulting Numbers: [2279] 2279,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 86:[84, 12], Operations: ['77-36=41', '53-41=12'] Exploring Operation: 84-12=72, Resulting Numbers: [72] 72,86 unequal: No Solution Exploring Operation: 84/12=7, Resulting Numbers: [7] 7,86 unequal: No Solution Exploring Operation: 84*12=1008, Resulting Numbers: [1008] 1008,86 unequal: No Solution Exploring Operation: 84+12=96, Resulting Numbers: [96] 96,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 86:[41, 31], Operations: ['77-36=41', '84-53=31'] Exploring Operation: 41-31=10, Resulting Numbers: [10] 10,86 unequal: No Solution Exploring Operation: 41+31=72, Resulting Numbers: [72] 72,86 unequal: No Solution Exploring Operation: 41*31=1271, Resulting Numbers: [1271] 1271,86 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: 86:[36, 53, 7], Operations: ['84-77=7'] Exploring Operation: 36+7=43, Resulting Numbers: [53, 43] Generated Node #0,1,0: 86:[53, 43] Operation: 36+7=43 Exploring Operation: 36+53=89, Resulting Numbers: [7, 89] Generated Node #0,1,1: 86:[7, 89] Operation: 36+53=89 Exploring Operation: 53-7=46, Resulting Numbers: [36, 46] Generated Node #0,1,2: 86:[36, 46] Operation: 53-7=46 Exploring Operation: 53-36=17, Resulting Numbers: [7, 17] Generated Node #0,1,3: 86:[7, 17] Operation: 53-36=17 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 86:[7, 89], Operations: ['84-77=7', '36+53=89'] Exploring Operation: 7+89=96, Resulting Numbers: [96] 96,86 unequal: No Solution Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,86 unequal: No Solution Exploring Operation: 7*89=623, Resulting Numbers: [623] 623,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 86:[53, 43], Operations: ['84-77=7', '36+7=43'] Exploring Operation: 53*43=2279, Resulting Numbers: [2279] 2279,86 unequal: No Solution Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,86 unequal: No Solution Exploring Operation: 53+43=96, Resulting Numbers: [96] 96,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 86:[36, 46], Operations: ['84-77=7', '53-7=46'] Exploring Operation: 46-36=10, Resulting Numbers: [10] 10,86 unequal: No Solution Exploring Operation: 36+46=82, Resulting Numbers: [82] 82,86 unequal: No Solution Exploring Operation: 36*46=1656, Resulting Numbers: [1656] 1656,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 86:[7, 17], Operations: ['84-77=7', '53-36=17'] Exploring Operation: 7*17=119, Resulting Numbers: [119] 119,86 unequal: No Solution Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,86 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,86 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: 86:[77, 53, 48], Operations: ['84-36=48'] Exploring Operation: 77-53=24, Resulting Numbers: [48, 24] Generated Node #0,0,0: 86:[48, 24] Operation: 77-53=24 Exploring Operation: 53-48=5, Resulting Numbers: [77, 5] Generated Node #0,0,1: 86:[77, 5] Operation: 53-48=5 Exploring Operation: 77-48=29, Resulting Numbers: [53, 29] Generated Node #0,0,2: 86:[53, 29] Operation: 77-48=29 Exploring Operation: 53+48=101, Resulting Numbers: [77, 101] Generated Node #0,0,3: 86:[77, 101] Operation: 53+48=101 Moving to Node #0,0,1 Current State: 86:[77, 5], Operations: ['84-36=48', '53-48=5'] Exploring Operation: 77+5=82, Resulting Numbers: [82] 82,86 unequal: No Solution Exploring Operation: 77*5=385, Resulting Numbers: [385] 385,86 unequal: No Solution Exploring Operation: 77-5=72, Resulting Numbers: [72] 72,86 unequal: No Solution Moving to Node #0,0,2 Current State: 86:[53, 29], Operations: ['84-36=48', '77-48=29'] Exploring Operation: 53*29=1537, Resulting Numbers: [1537] 1537,86 unequal: No Solution Exploring Operation: 53+29=82, Resulting Numbers: [82] 82,86 unequal: No Solution Exploring Operation: 53-29=24, Resulting Numbers: [24] 24,86 unequal: No Solution Moving to Node #0,0,0 Current State: 86:[48, 24], Operations: ['84-36=48', '77-53=24'] Exploring Operation: 48-24=24, Resulting Numbers: [24] 24,86 unequal: No Solution Exploring Operation: 48+24=72, Resulting Numbers: [72] 72,86 unequal: No Solution Exploring Operation: 48/24=2, Resulting Numbers: [2] 2,86 unequal: No Solution Exploring Operation: 48*24=1152, Resulting Numbers: [1152] 1152,86 unequal: No Solution Moving to Node #0,0,3 Current State: 86:[77, 101], Operations: ['84-36=48', '53+48=101'] Exploring Operation: 101-77=24, Resulting Numbers: [24] 24,86 unequal: No Solution Exploring Operation: 77*101=7777, Resulting Numbers: [7777] 7777,86 unequal: No Solution Exploring Operation: 77+101=178, Resulting Numbers: [178] 178,86 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 38, 76, 76, 42 ]
32
[ "76/38=2", "76-42=34", "34-2=32" ]
Current State: 32:[38, 76, 76, 42], Operations: [] Exploring Operation: 76/38=2, Resulting Numbers: [42, 2] Generated Node #2: [42, 2] from Operation: 76/38=2 Current State: 32:[42, 2], Operations: ['76/38=2'] Exploring Operation: 76-42=34, Resulting Numbers: [2, 34] Generated Node #3: [2, 34] from Operation: 76-42=34 Current State: 32:[2, 34], Operations: ['76/38=2', '76-42=34'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[38, 76, 76, 42], Operations: [] Exploring Operation: 76/76=1, Resulting Numbers: [38, 42, 1] Generated Node #0,0: 32:[38, 42, 1] Operation: 76/76=1 Moving to Node #0,0 Current State: 32:[38, 42, 1], Operations: ['76/76=1'] Exploring Operation: 42-38=4, Resulting Numbers: [1, 4] Generated Node #0,0,0: 32:[1, 4] Operation: 42-38=4 Moving to Node #0,0,0 Current State: 32:[1, 4], Operations: ['76/76=1', '42-38=4'] Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,32 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 7, 28, 57, 39 ]
92
[ "28/7=4", "57+39=96", "96-4=92" ]
Current State: 92:[7, 28, 57, 39], Operations: [] Exploring Operation: 28/7=4, Resulting Numbers: [57, 39, 4] Generated Node #2: [57, 39, 4] from Operation: 28/7=4 Current State: 92:[57, 39, 4], Operations: ['28/7=4'] Exploring Operation: 57+39=96, Resulting Numbers: [4, 96] Generated Node #3: [4, 96] from Operation: 57+39=96 Current State: 92:[4, 96], Operations: ['28/7=4', '57+39=96'] Exploring Operation: 96-4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[7, 28, 57, 39], Operations: [] Exploring Operation: 57+39=96, Resulting Numbers: [7, 28, 96] Generated Node #0,0: 92:[7, 28, 96] Operation: 57+39=96 Exploring Operation: 57-39=18, Resulting Numbers: [7, 28, 18] Generated Node #0,1: 92:[7, 28, 18] Operation: 57-39=18 Moving to Node #0,0 Current State: 92:[7, 28, 96], Operations: ['57+39=96'] Exploring Operation: 28/7=4, Resulting Numbers: [96, 4] Generated Node #0,0,0: 92:[96, 4] Operation: 28/7=4 Exploring Operation: 28-7=21, Resulting Numbers: [96, 21] Generated Node #0,0,1: 92:[96, 21] Operation: 28-7=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[96, 4], Operations: ['57+39=96', '28/7=4'] Exploring Operation: 96-4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[7, 28, 57, 39], Operations: [] Exploring Operation: 57+39=96, Resulting Numbers: [7, 28, 96] Generated Node #0,0: 92:[7, 28, 96] Operation: 57+39=96 Moving to Node #0,0 Current State: 92:[7, 28, 96], Operations: ['57+39=96'] Exploring Operation: 28/7=4, Resulting Numbers: [96, 4] Generated Node #0,0,0: 92:[96, 4] Operation: 28/7=4 Moving to Node #0,0,0 Current State: 92:[96, 4], Operations: ['57+39=96', '28/7=4'] Exploring Operation: 96-4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 39, 7, 15, 80 ]
97
[ "39-7=32", "80-15=65", "32+65=97" ]
Current State: 97:[39, 7, 15, 80], Operations: [] Exploring Operation: 39-7=32, Resulting Numbers: [15, 80, 32] Generated Node #2: [15, 80, 32] from Operation: 39-7=32 Current State: 97:[15, 80, 32], Operations: ['39-7=32'] Exploring Operation: 80-15=65, Resulting Numbers: [32, 65] Generated Node #3: [32, 65] from Operation: 80-15=65 Current State: 97:[32, 65], Operations: ['39-7=32', '80-15=65'] Exploring Operation: 32+65=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[39, 7, 15, 80], Operations: [] Exploring Operation: 39+15=54, Resulting Numbers: [7, 80, 54] Generated Node #0,0: 97:[7, 80, 54] Operation: 39+15=54 Exploring Operation: 39+7=46, Resulting Numbers: [15, 80, 46] Generated Node #0,1: 97:[15, 80, 46] Operation: 39+7=46 Exploring Operation: 7+15=22, Resulting Numbers: [39, 80, 22] Generated Node #0,2: 97:[39, 80, 22] Operation: 7+15=22 Exploring Operation: 7*15=105, Resulting Numbers: [39, 80, 105] Generated Node #0,3: 97:[39, 80, 105] Operation: 7*15=105 Start Sub Search at level 1: Moving to Node #0,3 Current State: 97:[39, 80, 105], Operations: ['7*15=105'] Exploring Operation: 39+105=144, Resulting Numbers: [80, 144] Generated Node #0,3,0: 97:[80, 144] Operation: 39+105=144 Exploring Operation: 105-39=66, Resulting Numbers: [80, 66] Generated Node #0,3,1: 97:[80, 66] Operation: 105-39=66 Exploring Operation: 39+80=119, Resulting Numbers: [105, 119] Generated Node #0,3,2: 97:[105, 119] Operation: 39+80=119 Exploring Operation: 80-39=41, Resulting Numbers: [105, 41] Generated Node #0,3,3: 97:[105, 41] Operation: 80-39=41 Moving to Node #0,3,2 Current State: 97:[105, 119], Operations: ['7*15=105', '39+80=119'] Exploring Operation: 105+119=224, Resulting Numbers: [224] 224,97 unequal: No Solution Exploring Operation: 119-105=14, Resulting Numbers: [14] 14,97 unequal: No Solution Exploring Operation: 105*119=12495, Resulting Numbers: [12495] 12495,97 unequal: No Solution Moving to Node #0,3,1 Current State: 97:[80, 66], Operations: ['7*15=105', '105-39=66'] Exploring Operation: 80-66=14, Resulting Numbers: [14] 14,97 unequal: No Solution Exploring Operation: 80*66=5280, Resulting Numbers: [5280] 5280,97 unequal: No Solution Exploring Operation: 80+66=146, Resulting Numbers: [146] 146,97 unequal: No Solution Moving to Node #0,3,3 Current State: 97:[105, 41], Operations: ['7*15=105', '80-39=41'] Exploring Operation: 105+41=146, Resulting Numbers: [146] 146,97 unequal: No Solution Exploring Operation: 105*41=4305, Resulting Numbers: [4305] 4305,97 unequal: No Solution Exploring Operation: 105-41=64, Resulting Numbers: [64] 64,97 unequal: No Solution Moving to Node #0,3,0 Current State: 97:[80, 144], Operations: ['7*15=105', '39+105=144'] Exploring Operation: 80*144=11520, Resulting Numbers: [11520] 11520,97 unequal: No Solution Exploring Operation: 80+144=224, Resulting Numbers: [224] 224,97 unequal: No Solution Exploring Operation: 144-80=64, Resulting Numbers: [64] 64,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[7, 80, 54], Operations: ['39+15=54'] Exploring Operation: 7+54=61, Resulting Numbers: [80, 61] Generated Node #0,0,0: 97:[80, 61] Operation: 7+54=61 Exploring Operation: 54-7=47, Resulting Numbers: [80, 47] Generated Node #0,0,1: 97:[80, 47] Operation: 54-7=47 Exploring Operation: 80-7=73, Resulting Numbers: [54, 73] Generated Node #0,0,2: 97:[54, 73] Operation: 80-7=73 Exploring Operation: 7+80=87, Resulting Numbers: [54, 87] Generated Node #0,0,3: 97:[54, 87] Operation: 7+80=87 Moving to Node #0,0,0 Current State: 97:[80, 61], Operations: ['39+15=54', '7+54=61'] Exploring Operation: 80+61=141, Resulting Numbers: [141] 141,97 unequal: No Solution Exploring Operation: 80*61=4880, Resulting Numbers: [4880] 4880,97 unequal: No Solution Exploring Operation: 80-61=19, Resulting Numbers: [19] 19,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[54, 87], Operations: ['39+15=54', '7+80=87'] Exploring Operation: 87-54=33, Resulting Numbers: [33] 33,97 unequal: No Solution Exploring Operation: 54*87=4698, Resulting Numbers: [4698] 4698,97 unequal: No Solution Exploring Operation: 54+87=141, Resulting Numbers: [141] 141,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[54, 73], Operations: ['39+15=54', '80-7=73'] Exploring Operation: 73-54=19, Resulting Numbers: [19] 19,97 unequal: No Solution Exploring Operation: 54+73=127, Resulting Numbers: [127] 127,97 unequal: No Solution Exploring Operation: 54*73=3942, Resulting Numbers: [3942] 3942,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[80, 47], Operations: ['39+15=54', '54-7=47'] Exploring Operation: 80+47=127, Resulting Numbers: [127] 127,97 unequal: No Solution Exploring Operation: 80*47=3760, Resulting Numbers: [3760] 3760,97 unequal: No Solution Exploring Operation: 80-47=33, Resulting Numbers: [33] 33,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[15, 80, 46], Operations: ['39+7=46'] Exploring Operation: 15+80=95, Resulting Numbers: [46, 95] Generated Node #0,1,0: 97:[46, 95] Operation: 15+80=95 Exploring Operation: 80-15=65, Resulting Numbers: [46, 65] Generated Node #0,1,1: 97:[46, 65] Operation: 80-15=65 Exploring Operation: 15+46=61, Resulting Numbers: [80, 61] Generated Node #0,1,2: 97:[80, 61] Operation: 15+46=61 Exploring Operation: 46-15=31, Resulting Numbers: [80, 31] Generated Node #0,1,3: 97:[80, 31] Operation: 46-15=31 Moving to Node #0,1,0 Current State: 97:[46, 95], Operations: ['39+7=46', '15+80=95'] Exploring Operation: 46+95=141, Resulting Numbers: [141] 141,97 unequal: No Solution Exploring Operation: 46*95=4370, Resulting Numbers: [4370] 4370,97 unequal: No Solution Exploring Operation: 95-46=49, Resulting Numbers: [49] 49,97 unequal: No Solution Moving to Node #0,1,2 Current State: 97:[80, 61], Operations: ['39+7=46', '15+46=61'] Exploring Operation: 80+61=141, Resulting Numbers: [141] 141,97 unequal: No Solution Exploring Operation: 80-61=19, Resulting Numbers: [19] 19,97 unequal: No Solution Exploring Operation: 80*61=4880, Resulting Numbers: [4880] 4880,97 unequal: No Solution Moving to Node #0,1,3 Current State: 97:[80, 31], Operations: ['39+7=46', '46-15=31'] Exploring Operation: 80-31=49, Resulting Numbers: [49] 49,97 unequal: No Solution Exploring Operation: 80+31=111, Resulting Numbers: [111] 111,97 unequal: No Solution Exploring Operation: 80*31=2480, Resulting Numbers: [2480] 2480,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[46, 65], Operations: ['39+7=46', '80-15=65'] Exploring Operation: 46+65=111, Resulting Numbers: [111] 111,97 unequal: No Solution Exploring Operation: 65-46=19, Resulting Numbers: [19] 19,97 unequal: No Solution Exploring Operation: 46*65=2990, Resulting Numbers: [2990] 2990,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 97:[39, 80, 22], Operations: ['7+15=22'] Exploring Operation: 39-22=17, Resulting Numbers: [80, 17] Generated Node #0,2,0: 97:[80, 17] Operation: 39-22=17 Exploring Operation: 80+22=102, Resulting Numbers: [39, 102] Generated Node #0,2,1: 97:[39, 102] Operation: 80+22=102 Exploring Operation: 39+22=61, Resulting Numbers: [80, 61] Generated Node #0,2,2: 97:[80, 61] Operation: 39+22=61 Exploring Operation: 39+80=119, Resulting Numbers: [22, 119] Generated Node #0,2,3: 97:[22, 119] Operation: 39+80=119 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 97:[80, 61], Operations: ['7+15=22', '39+22=61'] Exploring Operation: 80+61=141, Resulting Numbers: [141] 141,97 unequal: No Solution Exploring Operation: 80*61=4880, Resulting Numbers: [4880] 4880,97 unequal: No Solution Exploring Operation: 80-61=19, Resulting Numbers: [19] 19,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 97:[39, 102], Operations: ['7+15=22', '80+22=102'] Exploring Operation: 39*102=3978, Resulting Numbers: [3978] 3978,97 unequal: No Solution Exploring Operation: 39+102=141, Resulting Numbers: [141] 141,97 unequal: No Solution Exploring Operation: 102-39=63, Resulting Numbers: [63] 63,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 97:[80, 17], Operations: ['7+15=22', '39-22=17'] Exploring Operation: 80+17=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[39, 7, 15, 80], Operations: [] Exploring Operation: 7+15=22, Resulting Numbers: [39, 80, 22] Generated Node #0,2: 97:[39, 80, 22] Operation: 7+15=22 Moving to Node #0,2 Current State: 97:[39, 80, 22], Operations: ['7+15=22'] Exploring Operation: 39-22=17, Resulting Numbers: [80, 17] Generated Node #0,2,0: 97:[80, 17] Operation: 39-22=17 Moving to Node #0,2,0 Current State: 97:[80, 17], Operations: ['7+15=22', '39-22=17'] Exploring Operation: 80+17=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.94184
hs_4
sum_heuristic
[ 31, 44, 19, 99 ]
67
[ "44-31=13", "99-19=80", "80-13=67" ]
Current State: 67:[31, 44, 19, 99], Operations: [] Exploring Operation: 44-31=13, Resulting Numbers: [19, 99, 13] Generated Node #2: [19, 99, 13] from Operation: 44-31=13 Current State: 67:[19, 99, 13], Operations: ['44-31=13'] Exploring Operation: 99-19=80, Resulting Numbers: [13, 80] Generated Node #3: [13, 80] from Operation: 99-19=80 Current State: 67:[13, 80], Operations: ['44-31=13', '99-19=80'] Exploring Operation: 80-13=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[31, 44, 19, 99], Operations: [] Exploring Operation: 31+19=50, Resulting Numbers: [44, 99, 50] Generated Node #0,0: 67:[44, 99, 50] Operation: 31+19=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[44, 99, 50], Operations: ['31+19=50'] Exploring Operation: 99-44=55, Resulting Numbers: [50, 55] Generated Node #0,0,0: 67:[50, 55] Operation: 99-44=55 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 67:[50, 55], Operations: ['31+19=50', '99-44=55'] Exploring Operation: 50+55=105, Resulting Numbers: [105] 105,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 48, 52, 20, 90 ]
95
[ "48+52=100", "100/20=5", "90+5=95" ]
Current State: 95:[48, 52, 20, 90], Operations: [] Exploring Operation: 48+52=100, Resulting Numbers: [20, 90, 100] Generated Node #2: [20, 90, 100] from Operation: 48+52=100 Current State: 95:[20, 90, 100], Operations: ['48+52=100'] Exploring Operation: 100/20=5, Resulting Numbers: [90, 5] Generated Node #3: [90, 5] from Operation: 100/20=5 Current State: 95:[90, 5], Operations: ['48+52=100', '100/20=5'] Exploring Operation: 90+5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[48, 52, 20, 90], Operations: [] Exploring Operation: 48+52=100, Resulting Numbers: [20, 90, 100] Generated Node #0,0: 95:[20, 90, 100] Operation: 48+52=100 Exploring Operation: 48-20=28, Resulting Numbers: [52, 90, 28] Generated Node #0,1: 95:[52, 90, 28] Operation: 48-20=28 Exploring Operation: 52-20=32, Resulting Numbers: [48, 90, 32] Generated Node #0,2: 95:[48, 90, 32] Operation: 52-20=32 Exploring Operation: 52-48=4, Resulting Numbers: [20, 90, 4] Generated Node #0,3: 95:[20, 90, 4] Operation: 52-48=4 Exploring Operation: 90-52=38, Resulting Numbers: [48, 20, 38] Generated Node #0,4: 95:[48, 20, 38] Operation: 90-52=38 Start Sub Search at level 1: Moving to Node #0,3 Current State: 95:[20, 90, 4], Operations: ['52-48=4'] Exploring Operation: 20-4=16, Resulting Numbers: [90, 16] Generated Node #0,3,0: 95:[90, 16] Operation: 20-4=16 Exploring Operation: 20+4=24, Resulting Numbers: [90, 24] Generated Node #0,3,1: 95:[90, 24] Operation: 20+4=24 Exploring Operation: 90+4=94, Resulting Numbers: [20, 94] Generated Node #0,3,2: 95:[20, 94] Operation: 90+4=94 Exploring Operation: 90-4=86, Resulting Numbers: [20, 86] Generated Node #0,3,3: 95:[20, 86] Operation: 90-4=86 Exploring Operation: 20/4=5, Resulting Numbers: [90, 5] Generated Node #0,3,4: 95:[90, 5] Operation: 20/4=5 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 95:[20, 94], Operations: ['52-48=4', '90+4=94'] Exploring Operation: 20+94=114, Resulting Numbers: [114] 114,95 unequal: No Solution Exploring Operation: 20*94=1880, Resulting Numbers: [1880] 1880,95 unequal: No Solution Exploring Operation: 94-20=74, Resulting Numbers: [74] 74,95 unequal: No Solution No 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: 95:[90, 5], Operations: ['52-48=4', '20/4=5'] Exploring Operation: 90*5=450, Resulting Numbers: [450] 450,95 unequal: No Solution Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,95 unequal: No Solution Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,95 unequal: No Solution Exploring Operation: 90+5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[48, 52, 20, 90], Operations: [] Exploring Operation: 52-48=4, Resulting Numbers: [20, 90, 4] Generated Node #0,3: 95:[20, 90, 4] Operation: 52-48=4 Moving to Node #0,3 Current State: 95:[20, 90, 4], Operations: ['52-48=4'] Exploring Operation: 20/4=5, Resulting Numbers: [90, 5] Generated Node #0,3,4: 95:[90, 5] Operation: 20/4=5 Moving to Node #0,3,4 Current State: 95:[90, 5], Operations: ['52-48=4', '20/4=5'] Exploring Operation: 90+5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 63, 68, 48, 68 ]
15
[ "63+68=131", "48+68=116", "131-116=15" ]
Current State: 15:[63, 68, 48, 68], Operations: [] Exploring Operation: 63+68=131, Resulting Numbers: [48, 131] Generated Node #2: [48, 131] from Operation: 63+68=131 Current State: 15:[48, 131], Operations: ['63+68=131'] Exploring Operation: 48+68=116, Resulting Numbers: [131, 116] Generated Node #3: [131, 116] from Operation: 48+68=116 Current State: 15:[131, 116], Operations: ['63+68=131', '48+68=116'] Exploring Operation: 131-116=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[63, 68, 48, 68], Operations: [] Exploring Operation: 68-63=5, Resulting Numbers: [48, 68, 5] Generated Node #0,0: 15:[48, 68, 5] Operation: 68-63=5 Exploring Operation: 68-63=5, Resulting Numbers: [68, 48, 5] Generated Node #0,1: 15:[68, 48, 5] Operation: 68-63=5 Exploring Operation: 68/68=1, Resulting Numbers: [63, 48, 1] Generated Node #0,2: 15:[63, 48, 1] Operation: 68/68=1 Exploring Operation: 68-68=0, Resulting Numbers: [63, 48, 0] Generated Node #0,3: 15:[63, 48, 0] Operation: 68-68=0 Moving to Node #0,2 Current State: 15:[63, 48, 1], Operations: ['68/68=1'] Exploring Operation: 48-1=47, Resulting Numbers: [63, 47] Generated Node #0,2,0: 15:[63, 47] Operation: 48-1=47 Exploring Operation: 63*1=63, Resulting Numbers: [48, 63] Generated Node #0,2,1: 15:[48, 63] Operation: 63*1=63 Exploring Operation: 63-48=15, Resulting Numbers: [1, 15] Generated Node #0,2,2: 15:[1, 15] Operation: 63-48=15 Exploring Operation: 63-1=62, Resulting Numbers: [48, 62] Generated Node #0,2,3: 15:[48, 62] Operation: 63-1=62 Moving to Node #0,3 Current State: 15:[63, 48, 0], Operations: ['68-68=0'] Exploring Operation: 63*0=0, Resulting Numbers: [48, 0] Generated Node #0,3,0: 15:[48, 0] Operation: 63*0=0 Exploring Operation: 48*0=0, Resulting Numbers: [63, 0] Generated Node #0,3,1: 15:[63, 0] Operation: 48*0=0 Exploring Operation: 63+0=63, Resulting Numbers: [48, 63] Generated Node #0,3,2: 15:[48, 63] Operation: 63+0=63 Exploring Operation: 63-48=15, Resulting Numbers: [0, 15] Generated Node #0,3,3: 15:[0, 15] Operation: 63-48=15 Moving to Node #0,1 Current State: 15:[68, 48, 5], Operations: ['68-63=5'] Exploring Operation: 68-5=63, Resulting Numbers: [48, 63] Generated Node #0,1,0: 15:[48, 63] Operation: 68-5=63 Exploring Operation: 68-48=20, Resulting Numbers: [5, 20] Generated Node #0,1,1: 15:[5, 20] Operation: 68-48=20 Exploring Operation: 48-5=43, Resulting Numbers: [68, 43] Generated Node #0,1,2: 15:[68, 43] Operation: 48-5=43 Exploring Operation: 68+5=73, Resulting Numbers: [48, 73] Generated Node #0,1,3: 15:[48, 73] Operation: 68+5=73 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 15:[5, 20], Operations: ['68-63=5', '68-48=20'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 5*20=100, Resulting Numbers: [100] 100,15 unequal: No Solution Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,15 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[63, 68, 48, 68], Operations: [] Exploring Operation: 68-63=5, Resulting Numbers: [68, 48, 5] Generated Node #0,1: 15:[68, 48, 5] Operation: 68-63=5 Moving to Node #0,1 Current State: 15:[68, 48, 5], Operations: ['68-63=5'] Exploring Operation: 68-48=20, Resulting Numbers: [5, 20] Generated Node #0,1,1: 15:[5, 20] Operation: 68-48=20 Moving to Node #0,1,1 Current State: 15:[5, 20], Operations: ['68-63=5', '68-48=20'] Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_4
mult_heuristic
[ 45, 42, 15, 80 ]
62
[ "45-42=3", "80-15=65", "65-3=62" ]
Current State: 62:[45, 42, 15, 80], Operations: [] Exploring Operation: 45-42=3, Resulting Numbers: [15, 80, 3] Generated Node #2: [15, 80, 3] from Operation: 45-42=3 Current State: 62:[15, 80, 3], Operations: ['45-42=3'] Exploring Operation: 80-15=65, Resulting Numbers: [3, 65] Generated Node #3: [3, 65] from Operation: 80-15=65 Current State: 62:[3, 65], Operations: ['45-42=3', '80-15=65'] Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[45, 42, 15, 80], Operations: [] Exploring Operation: 45/15=3, Resulting Numbers: [42, 80, 3] Generated Node #0,0: 62:[42, 80, 3] Operation: 45/15=3 Exploring Operation: 45+15=60, Resulting Numbers: [42, 80, 60] Generated Node #0,1: 62:[42, 80, 60] Operation: 45+15=60 Exploring Operation: 80-15=65, Resulting Numbers: [45, 42, 65] Generated Node #0,2: 62:[45, 42, 65] Operation: 80-15=65 Exploring Operation: 45-15=30, Resulting Numbers: [42, 80, 30] Generated Node #0,3: 62:[42, 80, 30] Operation: 45-15=30 Exploring Operation: 80-45=35, Resulting Numbers: [42, 15, 35] Generated Node #0,4: 62:[42, 15, 35] Operation: 80-45=35 Start Sub Search at level 1: Moving to Node #0,2 Current State: 62:[45, 42, 65], Operations: ['80-15=65'] Exploring Operation: 45+65=110, Resulting Numbers: [42, 110] Generated Node #0,2,0: 62:[42, 110] Operation: 45+65=110 Exploring Operation: 65-45=20, Resulting Numbers: [42, 20] Generated Node #0,2,1: 62:[42, 20] Operation: 65-45=20 Exploring Operation: 45+42=87, Resulting Numbers: [65, 87] Generated Node #0,2,2: 62:[65, 87] Operation: 45+42=87 Exploring Operation: 65-42=23, Resulting Numbers: [45, 23] Generated Node #0,2,3: 62:[45, 23] Operation: 65-42=23 Exploring Operation: 45-42=3, Resulting Numbers: [65, 3] Generated Node #0,2,4: 62:[65, 3] Operation: 45-42=3 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 62:[65, 3], Operations: ['80-15=65', '45-42=3'] Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[45, 42, 15, 80], Operations: [] Exploring Operation: 80-15=65, Resulting Numbers: [45, 42, 65] Generated Node #0,2: 62:[45, 42, 65] Operation: 80-15=65 Moving to Node #0,2 Current State: 62:[45, 42, 65], Operations: ['80-15=65'] Exploring Operation: 45-42=3, Resulting Numbers: [65, 3] Generated Node #0,2,4: 62:[65, 3] Operation: 45-42=3 Moving to Node #0,2,4 Current State: 62:[65, 3], Operations: ['80-15=65', '45-42=3'] Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 18, 75, 12, 7 ]
33
[ "18-12=6", "7*6=42", "75-42=33" ]
Current State: 33:[18, 75, 12, 7], Operations: [] Exploring Operation: 18-12=6, Resulting Numbers: [75, 7, 6] Generated Node #2: [75, 7, 6] from Operation: 18-12=6 Current State: 33:[75, 7, 6], Operations: ['18-12=6'] Exploring Operation: 7*6=42, Resulting Numbers: [75, 42] Generated Node #3: [75, 42] from Operation: 7*6=42 Current State: 33:[75, 42], Operations: ['18-12=6', '7*6=42'] Exploring Operation: 75-42=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[18, 75, 12, 7], Operations: [] Exploring Operation: 75-18=57, Resulting Numbers: [12, 7, 57] Generated Node #0,0: 33:[12, 7, 57] Operation: 75-18=57 Exploring Operation: 75-12=63, Resulting Numbers: [18, 7, 63] Generated Node #0,1: 33:[18, 7, 63] Operation: 75-12=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[12, 7, 57], Operations: ['75-18=57'] Exploring Operation: 57-7=50, Resulting Numbers: [12, 50] Generated Node #0,0,0: 33:[12, 50] Operation: 57-7=50 Exploring Operation: 57-12=45, Resulting Numbers: [7, 45] Generated Node #0,0,1: 33:[7, 45] Operation: 57-12=45 Moving to Node #0,0,1 Current State: 33:[7, 45], Operations: ['75-18=57', '57-12=45'] Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,33 unequal: No Solution Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,33 unequal: No Solution Moving to Node #0,0,0 Current State: 33:[12, 50], Operations: ['75-18=57', '57-7=50'] Exploring Operation: 12+50=62, Resulting Numbers: [62] 62,33 unequal: No Solution Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[18, 7, 63], Operations: ['75-12=63'] Exploring Operation: 63/7=9, Resulting Numbers: [18, 9] Generated Node #0,1,0: 33:[18, 9] Operation: 63/7=9 Exploring Operation: 63-18=45, Resulting Numbers: [7, 45] Generated Node #0,1,1: 33:[7, 45] Operation: 63-18=45 Moving to Node #0,1,0 Current State: 33:[18, 9], Operations: ['75-12=63', '63/7=9'] Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,33 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,33 unequal: No Solution Moving to Node #0,1,1 Current State: 33:[7, 45], Operations: ['75-12=63', '63-18=45'] Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,33 unequal: No Solution Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,33 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
[ 15, 5, 46, 28 ]
79
[ "15+46=61", "5*28=140", "140-61=79" ]
Current State: 79:[15, 5, 46, 28], Operations: [] Exploring Operation: 15+46=61, Resulting Numbers: [5, 28, 61] Generated Node #2: [5, 28, 61] from Operation: 15+46=61 Current State: 79:[5, 28, 61], Operations: ['15+46=61'] Exploring Operation: 5*28=140, Resulting Numbers: [61, 140] Generated Node #3: [61, 140] from Operation: 5*28=140 Current State: 79:[61, 140], Operations: ['15+46=61', '5*28=140'] Exploring Operation: 140-61=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[15, 5, 46, 28], Operations: [] Exploring Operation: 15+5=20, Resulting Numbers: [46, 28, 20] Generated Node #0,0: 79:[46, 28, 20] Operation: 15+5=20 Exploring Operation: 15+46=61, Resulting Numbers: [5, 28, 61] Generated Node #0,1: 79:[5, 28, 61] Operation: 15+46=61 Exploring Operation: 15*5=75, Resulting Numbers: [46, 28, 75] Generated Node #0,2: 79:[46, 28, 75] Operation: 15*5=75 Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[46, 28, 75], Operations: ['15*5=75'] Exploring Operation: 46-28=18, Resulting Numbers: [75, 18] Generated Node #0,2,0: 79:[75, 18] Operation: 46-28=18 Exploring Operation: 28+75=103, Resulting Numbers: [46, 103] Generated Node #0,2,1: 79:[46, 103] Operation: 28+75=103 Exploring Operation: 46+28=74, Resulting Numbers: [75, 74] Generated Node #0,2,2: 79:[75, 74] Operation: 46+28=74 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 79:[75, 74], Operations: ['15*5=75', '46+28=74'] Exploring Operation: 75+74=149, Resulting Numbers: [149] 149,79 unequal: No Solution Exploring Operation: 75*74=5550, Resulting Numbers: [5550] 5550,79 unequal: No Solution Exploring Operation: 75-74=1, Resulting Numbers: [1] 1,79 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:[46, 103], Operations: ['15*5=75', '28+75=103'] Exploring Operation: 46+103=149, Resulting Numbers: [149] 149,79 unequal: No Solution Exploring Operation: 103-46=57, Resulting Numbers: [57] 57,79 unequal: No Solution Exploring Operation: 46*103=4738, Resulting Numbers: [4738] 4738,79 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 #0,2,0 Current State: 79:[75, 18], Operations: ['15*5=75', '46-28=18'] Exploring Operation: 75+18=93, Resulting Numbers: [93] 93,79 unequal: No Solution Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,79 unequal: No Solution Exploring Operation: 75*18=1350, Resulting Numbers: [1350] 1350,79 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 #0,0 Current State: 79:[46, 28, 20], Operations: ['15+5=20'] Exploring Operation: 46+20=66, Resulting Numbers: [28, 66] Generated Node #0,0,0: 79:[28, 66] Operation: 46+20=66 Exploring Operation: 28+20=48, Resulting Numbers: [46, 48] Generated Node #0,0,1: 79:[46, 48] Operation: 28+20=48 Exploring Operation: 46+28=74, Resulting Numbers: [20, 74] Generated Node #0,0,2: 79:[20, 74] Operation: 46+28=74 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[28, 66], Operations: ['15+5=20', '46+20=66'] Exploring Operation: 28*66=1848, Resulting Numbers: [1848] 1848,79 unequal: No Solution Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,79 unequal: No Solution Exploring Operation: 28+66=94, Resulting Numbers: [94] 94,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 79:[46, 48], Operations: ['15+5=20', '28+20=48'] Exploring Operation: 46*48=2208, Resulting Numbers: [2208] 2208,79 unequal: No Solution Exploring Operation: 46+48=94, Resulting Numbers: [94] 94,79 unequal: No Solution Exploring Operation: 48-46=2, Resulting Numbers: [2] 2,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 79:[20, 74], Operations: ['15+5=20', '46+28=74'] Exploring Operation: 74-20=54, Resulting Numbers: [54] 54,79 unequal: No Solution Exploring Operation: 20+74=94, Resulting Numbers: [94] 94,79 unequal: No Solution Exploring Operation: 20*74=1480, Resulting Numbers: [1480] 1480,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[5, 28, 61], Operations: ['15+46=61'] Exploring Operation: 5+28=33, Resulting Numbers: [61, 33] Generated Node #0,1,0: 79:[61, 33] Operation: 5+28=33 Exploring Operation: 5+61=66, Resulting Numbers: [28, 66] Generated Node #0,1,1: 79:[28, 66] Operation: 5+61=66 Exploring Operation: 28-5=23, Resulting Numbers: [61, 23] Generated Node #0,1,2: 79:[61, 23] Operation: 28-5=23 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 79:[61, 33], Operations: ['15+46=61', '5+28=33'] Exploring Operation: 61+33=94, Resulting Numbers: [94] 94,79 unequal: No Solution Exploring Operation: 61*33=2013, Resulting Numbers: [2013] 2013,79 unequal: No Solution Exploring Operation: 61-33=28, Resulting Numbers: [28] 28,79 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 #0,1,1 Current State: 79:[28, 66], Operations: ['15+46=61', '5+61=66'] Exploring Operation: 28*66=1848, Resulting Numbers: [1848] 1848,79 unequal: No Solution Exploring Operation: 28+66=94, Resulting Numbers: [94] 94,79 unequal: No Solution Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,79 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 #0,1,2 Current State: 79:[61, 23], Operations: ['15+46=61', '28-5=23'] Exploring Operation: 61*23=1403, Resulting Numbers: [1403] 1403,79 unequal: No Solution Exploring Operation: 61-23=38, Resulting Numbers: [38] 38,79 unequal: No Solution Exploring Operation: 61+23=84, Resulting Numbers: [84] 84,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 8, 3, 43, 14 ]
93
[ "8+43=51", "3*14=42", "51+42=93" ]
Current State: 93:[8, 3, 43, 14], Operations: [] Exploring Operation: 8+43=51, Resulting Numbers: [3, 14, 51] Generated Node #2: [3, 14, 51] from Operation: 8+43=51 Current State: 93:[3, 14, 51], Operations: ['8+43=51'] Exploring Operation: 3*14=42, Resulting Numbers: [51, 42] Generated Node #3: [51, 42] from Operation: 3*14=42 Current State: 93:[51, 42], Operations: ['8+43=51', '3*14=42'] Exploring Operation: 51+42=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[8, 3, 43, 14], Operations: [] Exploring Operation: 43-14=29, Resulting Numbers: [8, 3, 29] Generated Node #0,0: 93:[8, 3, 29] Operation: 43-14=29 Exploring Operation: 14-8=6, Resulting Numbers: [3, 43, 6] Generated Node #0,1: 93:[3, 43, 6] Operation: 14-8=6 Exploring Operation: 8+14=22, Resulting Numbers: [3, 43, 22] Generated Node #0,2: 93:[3, 43, 22] Operation: 8+14=22 Exploring Operation: 43-8=35, Resulting Numbers: [3, 14, 35] Generated Node #0,3: 93:[3, 14, 35] Operation: 43-8=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[8, 3, 29], Operations: ['43-14=29'] Exploring Operation: 3+29=32, Resulting Numbers: [8, 32] Generated Node #0,0,0: 93:[8, 32] Operation: 3+29=32 Exploring Operation: 8*3=24, Resulting Numbers: [29, 24] Generated Node #0,0,1: 93:[29, 24] Operation: 8*3=24 Exploring Operation: 8-3=5, Resulting Numbers: [29, 5] Generated Node #0,0,2: 93:[29, 5] Operation: 8-3=5 Exploring Operation: 8+29=37, Resulting Numbers: [3, 37] Generated Node #0,0,3: 93:[3, 37] Operation: 8+29=37 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 93:[29, 5], Operations: ['43-14=29', '8-3=5'] Exploring Operation: 29+5=34, Resulting Numbers: [34] 34,93 unequal: No Solution Exploring Operation: 29*5=145, Resulting Numbers: [145] 145,93 unequal: No Solution Exploring Operation: 29-5=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 #0,0,0 Current State: 93:[8, 32], Operations: ['43-14=29', '3+29=32'] Exploring Operation: 8*32=256, Resulting Numbers: [256] 256,93 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,93 unequal: No Solution Exploring Operation: 8+32=40, Resulting Numbers: [40] 40,93 unequal: No Solution Exploring Operation: 32-8=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 #0,0,3 Current State: 93:[3, 37], Operations: ['43-14=29', '8+29=37'] Exploring Operation: 3*37=111, Resulting Numbers: [111] 111,93 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,93 unequal: No Solution Exploring Operation: 3+37=40, Resulting Numbers: [40] 40,93 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 #0,0,1 Current State: 93:[29, 24], Operations: ['43-14=29', '8*3=24'] Exploring Operation: 29*24=696, Resulting Numbers: [696] 696,93 unequal: No Solution Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 29+24=53, Resulting Numbers: [53] 53,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[3, 43, 6], Operations: ['14-8=6'] Exploring Operation: 6-3=3, Resulting Numbers: [43, 3] Generated Node #0,1,0: 93:[43, 3] Operation: 6-3=3 Exploring Operation: 6/3=2, Resulting Numbers: [43, 2] Generated Node #0,1,1: 93:[43, 2] Operation: 6/3=2 Exploring Operation: 43-3=40, Resulting Numbers: [6, 40] Generated Node #0,1,2: 93:[6, 40] Operation: 43-3=40 Exploring Operation: 43-6=37, Resulting Numbers: [3, 37] Generated Node #0,1,3: 93:[3, 37] Operation: 43-6=37 Moving to Node #0,1,3 Current State: 93:[3, 37], Operations: ['14-8=6', '43-6=37'] Exploring Operation: 3*37=111, Resulting Numbers: [111] 111,93 unequal: No Solution Exploring Operation: 3+37=40, Resulting Numbers: [40] 40,93 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,93 unequal: No Solution Moving to Node #0,1,2 Current State: 93:[6, 40], Operations: ['14-8=6', '43-3=40'] Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,93 unequal: No Solution Exploring Operation: 6*40=240, Resulting Numbers: [240] 240,93 unequal: No Solution Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[43, 3], Operations: ['14-8=6', '6-3=3'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,93 unequal: No Solution Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,93 unequal: No Solution Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[43, 2], Operations: ['14-8=6', '6/3=2'] Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,93 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,93 unequal: No Solution Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 93:[3, 14, 35], Operations: ['43-8=35'] Exploring Operation: 3*14=42, Resulting Numbers: [35, 42] Generated Node #0,3,0: 93:[35, 42] Operation: 3*14=42 Exploring Operation: 14-3=11, Resulting Numbers: [35, 11] Generated Node #0,3,1: 93:[35, 11] Operation: 14-3=11 Exploring Operation: 35-3=32, Resulting Numbers: [14, 32] Generated Node #0,3,2: 93:[14, 32] Operation: 35-3=32 Exploring Operation: 35-14=21, Resulting Numbers: [3, 21] Generated Node #0,3,3: 93:[3, 21] Operation: 35-14=21 Moving to Node #0,3,3 Current State: 93:[3, 21], Operations: ['43-8=35', '35-14=21'] Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,93 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,93 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,93 unequal: No Solution Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,93 unequal: No Solution Moving to Node #0,3,2 Current State: 93:[14, 32], Operations: ['43-8=35', '35-3=32'] Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,93 unequal: No Solution Exploring Operation: 14*32=448, Resulting Numbers: [448] 448,93 unequal: No Solution Exploring Operation: 14+32=46, Resulting Numbers: [46] 46,93 unequal: No Solution Moving to Node #0,3,1 Current State: 93:[35, 11], Operations: ['43-8=35', '14-3=11'] Exploring Operation: 35-11=24, Resulting Numbers: [24] 24,93 unequal: No Solution Exploring Operation: 35+11=46, Resulting Numbers: [46] 46,93 unequal: No Solution Exploring Operation: 35*11=385, Resulting Numbers: [385] 385,93 unequal: No Solution Moving to Node #0,3,0 Current State: 93:[35, 42], Operations: ['43-8=35', '3*14=42'] Exploring Operation: 35+42=77, Resulting Numbers: [77] 77,93 unequal: No Solution Exploring Operation: 35*42=1470, Resulting Numbers: [1470] 1470,93 unequal: No Solution Exploring Operation: 42-35=7, Resulting Numbers: [7] 7,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 93:[3, 43, 22], Operations: ['8+14=22'] Exploring Operation: 3+22=25, Resulting Numbers: [43, 25] Generated Node #0,2,0: 93:[43, 25] Operation: 3+22=25 Exploring Operation: 43-3=40, Resulting Numbers: [22, 40] Generated Node #0,2,1: 93:[22, 40] Operation: 43-3=40 Exploring Operation: 3+43=46, Resulting Numbers: [22, 46] Generated Node #0,2,2: 93:[22, 46] Operation: 3+43=46 Exploring Operation: 43-22=21, Resulting Numbers: [3, 21] Generated Node #0,2,3: 93:[3, 21] Operation: 43-22=21 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 93:[3, 21], Operations: ['8+14=22', '43-22=21'] Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,93 unequal: No Solution Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,93 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,93 unequal: No Solution Exploring Operation: 3+21=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 #0,2,0 Current State: 93:[43, 25], Operations: ['8+14=22', '3+22=25'] Exploring Operation: 43+25=68, Resulting Numbers: [68] 68,93 unequal: No Solution Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,93 unequal: No Solution Exploring Operation: 43*25=1075, Resulting Numbers: [1075] 1075,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 93:[22, 40], Operations: ['8+14=22', '43-3=40'] Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,93 unequal: No Solution Exploring Operation: 22*40=880, Resulting Numbers: [880] 880,93 unequal: No Solution Exploring Operation: 22+40=62, Resulting Numbers: [62] 62,93 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:[22, 46], Operations: ['8+14=22', '3+43=46'] Exploring Operation: 22*46=1012, Resulting Numbers: [1012] 1012,93 unequal: No Solution Exploring Operation: 22+46=68, Resulting Numbers: [68] 68,93 unequal: No Solution Exploring Operation: 46-22=24, Resulting Numbers: [24] 24,93 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 No solution found.
0
hs_4
mult_heuristic
[ 70, 6, 66, 36 ]
18
[ "70-6=64", "66-64=2", "36/2=18" ]
Current State: 18:[70, 6, 66, 36], Operations: [] Exploring Operation: 70-6=64, Resulting Numbers: [66, 36, 64] Generated Node #2: [66, 36, 64] from Operation: 70-6=64 Current State: 18:[66, 36, 64], Operations: ['70-6=64'] Exploring Operation: 66-64=2, Resulting Numbers: [36, 2] Generated Node #3: [36, 2] from Operation: 66-64=2 Current State: 18:[36, 2], Operations: ['70-6=64', '66-64=2'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[70, 6, 66, 36], Operations: [] Exploring Operation: 66-36=30, Resulting Numbers: [70, 6, 30] Generated Node #0,0: 18:[70, 6, 30] Operation: 66-36=30 Exploring Operation: 70-66=4, Resulting Numbers: [6, 36, 4] Generated Node #0,1: 18:[6, 36, 4] Operation: 70-66=4 Exploring Operation: 70-36=34, Resulting Numbers: [6, 66, 34] Generated Node #0,2: 18:[6, 66, 34] Operation: 70-36=34 Exploring Operation: 66/6=11, Resulting Numbers: [70, 36, 11] Generated Node #0,3: 18:[70, 36, 11] Operation: 66/6=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[6, 36, 4], Operations: ['70-66=4'] Exploring Operation: 36-4=32, Resulting Numbers: [6, 32] Generated Node #0,1,0: 18:[6, 32] Operation: 36-4=32 Exploring Operation: 36/4=9, Resulting Numbers: [6, 9] Generated Node #0,1,1: 18:[6, 9] Operation: 36/4=9 Exploring Operation: 36-6=30, Resulting Numbers: [4, 30] Generated Node #0,1,2: 18:[4, 30] Operation: 36-6=30 Exploring Operation: 36/6=6, Resulting Numbers: [4, 6] Generated Node #0,1,3: 18:[4, 6] Operation: 36/6=6 Moving to Node #0,1,1 Current State: 18:[6, 9], Operations: ['70-66=4', '36/4=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,18 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 6+9=15, Resulting Numbers: [15] 15,18 unequal: No Solution Moving to Node #0,1,3 Current State: 18:[4, 6], Operations: ['70-66=4', '36/6=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,18 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,18 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,18 unequal: No Solution Moving to Node #0,1,2 Current State: 18:[4, 30], Operations: ['70-66=4', '36-6=30'] Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,18 unequal: No Solution Exploring Operation: 4*30=120, Resulting Numbers: [120] 120,18 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,18 unequal: No Solution Moving to Node #0,1,0 Current State: 18:[6, 32], Operations: ['70-66=4', '36-4=32'] Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,18 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,18 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[70, 6, 30], Operations: ['66-36=30'] Exploring Operation: 70-6=64, Resulting Numbers: [30, 64] Generated Node #0,0,0: 18:[30, 64] Operation: 70-6=64 Exploring Operation: 70-30=40, Resulting Numbers: [6, 40] Generated Node #0,0,1: 18:[6, 40] Operation: 70-30=40 Exploring Operation: 30/6=5, Resulting Numbers: [70, 5] Generated Node #0,0,2: 18:[70, 5] Operation: 30/6=5 Exploring Operation: 30-6=24, Resulting Numbers: [70, 24] Generated Node #0,0,3: 18:[70, 24] Operation: 30-6=24 Moving to Node #0,0,1 Current State: 18:[6, 40], Operations: ['66-36=30', '70-30=40'] Exploring Operation: 6*40=240, Resulting Numbers: [240] 240,18 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,18 unequal: No Solution Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,18 unequal: No Solution Moving to Node #0,0,2 Current State: 18:[70, 5], Operations: ['66-36=30', '30/6=5'] Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,18 unequal: No Solution Exploring Operation: 70/5=14, Resulting Numbers: [14] 14,18 unequal: No Solution Exploring Operation: 70*5=350, Resulting Numbers: [350] 350,18 unequal: No Solution Exploring Operation: 70+5=75, Resulting Numbers: [75] 75,18 unequal: No Solution Moving to Node #0,0,3 Current State: 18:[70, 24], Operations: ['66-36=30', '30-6=24'] Exploring Operation: 70*24=1680, Resulting Numbers: [1680] 1680,18 unequal: No Solution Exploring Operation: 70+24=94, Resulting Numbers: [94] 94,18 unequal: No Solution Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,18 unequal: No Solution Moving to Node #0,0,0 Current State: 18:[30, 64], Operations: ['66-36=30', '70-6=64'] Exploring Operation: 30+64=94, Resulting Numbers: [94] 94,18 unequal: No Solution Exploring Operation: 64-30=34, Resulting Numbers: [34] 34,18 unequal: No Solution Exploring Operation: 30*64=1920, Resulting Numbers: [1920] 1920,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[6, 66, 34], Operations: ['70-36=34'] Exploring Operation: 66-34=32, Resulting Numbers: [6, 32] Generated Node #0,2,0: 18:[6, 32] Operation: 66-34=32 Exploring Operation: 66/6=11, Resulting Numbers: [34, 11] Generated Node #0,2,1: 18:[34, 11] Operation: 66/6=11 Exploring Operation: 66-6=60, Resulting Numbers: [34, 60] Generated Node #0,2,2: 18:[34, 60] Operation: 66-6=60 Exploring Operation: 34-6=28, Resulting Numbers: [66, 28] Generated Node #0,2,3: 18:[66, 28] Operation: 34-6=28 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 18:[6, 32], Operations: ['70-36=34', '66-34=32'] Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,18 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,18 unequal: No Solution Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 18:[34, 11], Operations: ['70-36=34', '66/6=11'] Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,18 unequal: No Solution Exploring Operation: 34*11=374, Resulting Numbers: [374] 374,18 unequal: No Solution Exploring Operation: 34+11=45, Resulting Numbers: [45] 45,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 18:[34, 60], Operations: ['70-36=34', '66-6=60'] Exploring Operation: 34+60=94, Resulting Numbers: [94] 94,18 unequal: No Solution Exploring Operation: 60-34=26, Resulting Numbers: [26] 26,18 unequal: No Solution Exploring Operation: 34*60=2040, Resulting Numbers: [2040] 2040,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 18:[66, 28], Operations: ['70-36=34', '34-6=28'] Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,18 unequal: No Solution Exploring Operation: 66+28=94, Resulting Numbers: [94] 94,18 unequal: No Solution Exploring Operation: 66*28=1848, Resulting Numbers: [1848] 1848,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 18:[70, 36, 11], Operations: ['66/6=11'] Exploring Operation: 70-11=59, Resulting Numbers: [36, 59] Generated Node #0,3,0: 18:[36, 59] Operation: 70-11=59 Exploring Operation: 70-36=34, Resulting Numbers: [11, 34] Generated Node #0,3,1: 18:[11, 34] Operation: 70-36=34 Exploring Operation: 36-11=25, Resulting Numbers: [70, 25] Generated Node #0,3,2: 18:[70, 25] Operation: 36-11=25 Exploring Operation: 70+11=81, Resulting Numbers: [36, 81] Generated Node #0,3,3: 18:[36, 81] Operation: 70+11=81 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 18:[11, 34], Operations: ['66/6=11', '70-36=34'] Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,18 unequal: No Solution Exploring Operation: 11*34=374, Resulting Numbers: [374] 374,18 unequal: No Solution Exploring Operation: 11+34=45, Resulting Numbers: [45] 45,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 18:[36, 59], Operations: ['66/6=11', '70-11=59'] Exploring Operation: 59-36=23, Resulting Numbers: [23] 23,18 unequal: No Solution Exploring Operation: 36*59=2124, Resulting Numbers: [2124] 2124,18 unequal: No Solution Exploring Operation: 36+59=95, Resulting Numbers: [95] 95,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 18:[70, 25], Operations: ['66/6=11', '36-11=25'] Exploring Operation: 70+25=95, Resulting Numbers: [95] 95,18 unequal: No Solution Exploring Operation: 70*25=1750, Resulting Numbers: [1750] 1750,18 unequal: No Solution Exploring Operation: 70-25=45, Resulting Numbers: [45] 45,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 18:[36, 81], Operations: ['66/6=11', '70+11=81'] Exploring Operation: 36+81=117, Resulting Numbers: [117] 117,18 unequal: No Solution Exploring Operation: 81-36=45, Resulting Numbers: [45] 45,18 unequal: No Solution Exploring Operation: 36*81=2916, Resulting Numbers: [2916] 2916,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 3, 66, 33, 12 ]
81
[ "33+12=45", "45/3=15", "66+15=81" ]
Current State: 81:[3, 66, 33, 12], Operations: [] Exploring Operation: 33+12=45, Resulting Numbers: [3, 66, 45] Generated Node #2: [3, 66, 45] from Operation: 33+12=45 Current State: 81:[3, 66, 45], Operations: ['33+12=45'] Exploring Operation: 45/3=15, Resulting Numbers: [66, 15] Generated Node #3: [66, 15] from Operation: 45/3=15 Current State: 81:[66, 15], Operations: ['33+12=45', '45/3=15'] Exploring Operation: 66+15=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[3, 66, 33, 12], Operations: [] Exploring Operation: 66/33=2, Resulting Numbers: [3, 12, 2] Generated Node #0,0: 81:[3, 12, 2] Operation: 66/33=2 Exploring Operation: 66-33=33, Resulting Numbers: [3, 12, 33] Generated Node #0,1: 81:[3, 12, 33] Operation: 66-33=33 Exploring Operation: 66+12=78, Resulting Numbers: [3, 33, 78] Generated Node #0,2: 81:[3, 33, 78] Operation: 66+12=78 Moving to Node #0,0 Current State: 81:[3, 12, 2], Operations: ['66/33=2'] Exploring Operation: 12-2=10, Resulting Numbers: [3, 10] Generated Node #0,0,0: 81:[3, 10] Operation: 12-2=10 Exploring Operation: 12/3=4, Resulting Numbers: [2, 4] Generated Node #0,0,1: 81:[2, 4] Operation: 12/3=4 Exploring Operation: 12-3=9, Resulting Numbers: [2, 9] Generated Node #0,0,2: 81:[2, 9] Operation: 12-3=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[3, 10], Operations: ['66/33=2', '12-2=10'] Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,81 unequal: No Solution Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,81 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 81:[2, 9], Operations: ['66/33=2', '12-3=9'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,81 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,81 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[2, 4], Operations: ['66/33=2', '12/3=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,81 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: 81:[3, 12, 33], Operations: ['66-33=33'] Exploring Operation: 12-3=9, Resulting Numbers: [33, 9] Generated Node #0,1,0: 81:[33, 9] Operation: 12-3=9 Exploring Operation: 33-3=30, Resulting Numbers: [12, 30] Generated Node #0,1,1: 81:[12, 30] Operation: 33-3=30 Exploring Operation: 33/3=11, Resulting Numbers: [12, 11] Generated Node #0,1,2: 81:[12, 11] Operation: 33/3=11 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 81:[12, 11], Operations: ['66-33=33', '33/3=11'] Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 12*11=132, Resulting Numbers: [132] 132,81 unequal: No Solution Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 81:[33, 9], Operations: ['66-33=33', '12-3=9'] Exploring Operation: 33+9=42, Resulting Numbers: [42] 42,81 unequal: No Solution Exploring Operation: 33*9=297, Resulting Numbers: [297] 297,81 unequal: No Solution Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 81:[12, 30], Operations: ['66-33=33', '33-3=30'] Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,81 unequal: No Solution Exploring Operation: 12+30=42, Resulting Numbers: [42] 42,81 unequal: No Solution Exploring Operation: 12*30=360, Resulting Numbers: [360] 360,81 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: 81:[3, 33, 78], Operations: ['66+12=78'] Exploring Operation: 33/3=11, Resulting Numbers: [78, 11] Generated Node #0,2,0: 81:[78, 11] Operation: 33/3=11 Exploring Operation: 3+78=81, Resulting Numbers: [33, 81] Generated Node #0,2,1: 81:[33, 81] Operation: 3+78=81 Exploring Operation: 33-3=30, Resulting Numbers: [78, 30] Generated Node #0,2,2: 81:[78, 30] Operation: 33-3=30 Moving to Node #0,2,0 Current State: 81:[78, 11], Operations: ['66+12=78', '33/3=11'] Exploring Operation: 78+11=89, Resulting Numbers: [89] 89,81 unequal: No Solution Exploring Operation: 78-11=67, Resulting Numbers: [67] 67,81 unequal: No Solution Exploring Operation: 78*11=858, Resulting Numbers: [858] 858,81 unequal: No Solution Moving to Node #0,2,1 Current State: 81:[33, 81], Operations: ['66+12=78', '3+78=81'] Exploring Operation: 33*81=2673, Resulting Numbers: [2673] 2673,81 unequal: No Solution Exploring Operation: 33+81=114, Resulting Numbers: [114] 114,81 unequal: No Solution Exploring Operation: 81-33=48, Resulting Numbers: [48] 48,81 unequal: No Solution Moving to Node #0,2,2 Current State: 81:[78, 30], Operations: ['66+12=78', '33-3=30'] Exploring Operation: 78-30=48, Resulting Numbers: [48] 48,81 unequal: No Solution Exploring Operation: 78+30=108, Resulting Numbers: [108] 108,81 unequal: No Solution Exploring Operation: 78*30=2340, Resulting Numbers: [2340] 2340,81 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 43, 36, 68, 2 ]
59
[ "43-36=7", "68-2=66", "66-7=59" ]
Current State: 59:[43, 36, 68, 2], Operations: [] Exploring Operation: 43-36=7, Resulting Numbers: [68, 2, 7] Generated Node #2: [68, 2, 7] from Operation: 43-36=7 Current State: 59:[68, 2, 7], Operations: ['43-36=7'] Exploring Operation: 68-2=66, Resulting Numbers: [7, 66] Generated Node #3: [7, 66] from Operation: 68-2=66 Current State: 59:[7, 66], Operations: ['43-36=7', '68-2=66'] Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[43, 36, 68, 2], Operations: [] Exploring Operation: 36+2=38, Resulting Numbers: [43, 68, 38] Generated Node #0,0: 59:[43, 68, 38] Operation: 36+2=38 Exploring Operation: 36*2=72, Resulting Numbers: [43, 68, 72] Generated Node #0,1: 59:[43, 68, 72] Operation: 36*2=72 Exploring Operation: 43+2=45, Resulting Numbers: [36, 68, 45] Generated Node #0,2: 59:[36, 68, 45] Operation: 43+2=45 Exploring Operation: 68-2=66, Resulting Numbers: [43, 36, 66] Generated Node #0,3: 59:[43, 36, 66] Operation: 68-2=66 Moving to Node #0,1 Current State: 59:[43, 68, 72], Operations: ['36*2=72'] Exploring Operation: 68-43=25, Resulting Numbers: [72, 25] Generated Node #0,1,0: 59:[72, 25] Operation: 68-43=25 Exploring Operation: 43+68=111, Resulting Numbers: [72, 111] Generated Node #0,1,1: 59:[72, 111] Operation: 43+68=111 Exploring Operation: 72-43=29, Resulting Numbers: [68, 29] Generated Node #0,1,2: 59:[68, 29] Operation: 72-43=29 Exploring Operation: 43+72=115, Resulting Numbers: [68, 115] Generated Node #0,1,3: 59:[68, 115] Operation: 43+72=115 Moving to Node #0,2 Current State: 59:[36, 68, 45], Operations: ['43+2=45'] Exploring Operation: 45-36=9, Resulting Numbers: [68, 9] Generated Node #0,2,0: 59:[68, 9] Operation: 45-36=9 Exploring Operation: 36+45=81, Resulting Numbers: [68, 81] Generated Node #0,2,1: 59:[68, 81] Operation: 36+45=81 Exploring Operation: 68-36=32, Resulting Numbers: [45, 32] Generated Node #0,2,2: 59:[45, 32] Operation: 68-36=32 Exploring Operation: 36+68=104, Resulting Numbers: [45, 104] Generated Node #0,2,3: 59:[45, 104] Operation: 36+68=104 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 59:[68, 81], Operations: ['43+2=45', '36+45=81'] Exploring Operation: 68+81=149, Resulting Numbers: [149] 149,59 unequal: No Solution Exploring Operation: 81-68=13, Resulting Numbers: [13] 13,59 unequal: No Solution Exploring Operation: 68*81=5508, Resulting Numbers: [5508] 5508,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 59:[45, 32], Operations: ['43+2=45', '68-36=32'] Exploring Operation: 45-32=13, Resulting Numbers: [13] 13,59 unequal: No Solution Exploring Operation: 45*32=1440, Resulting Numbers: [1440] 1440,59 unequal: No Solution Exploring Operation: 45+32=77, Resulting Numbers: [77] 77,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 59:[68, 9], Operations: ['43+2=45', '45-36=9'] Exploring Operation: 68*9=612, Resulting Numbers: [612] 612,59 unequal: No Solution Exploring Operation: 68+9=77, Resulting Numbers: [77] 77,59 unequal: No Solution Exploring Operation: 68-9=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[43, 36, 68, 2], Operations: [] Exploring Operation: 43+2=45, Resulting Numbers: [36, 68, 45] Generated Node #0,2: 59:[36, 68, 45] Operation: 43+2=45 Moving to Node #0,2 Current State: 59:[36, 68, 45], Operations: ['43+2=45'] Exploring Operation: 45-36=9, Resulting Numbers: [68, 9] Generated Node #0,2,0: 59:[68, 9] Operation: 45-36=9 Moving to Node #0,2,0 Current State: 59:[68, 9], Operations: ['43+2=45', '45-36=9'] Exploring Operation: 68-9=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_4
mult_heuristic
[ 20, 83, 71, 84 ]
92
[ "83-20=63", "71+84=155", "155-63=92" ]
Current State: 92:[20, 83, 71, 84], Operations: [] Exploring Operation: 83-20=63, Resulting Numbers: [71, 84, 63] Generated Node #2: [71, 84, 63] from Operation: 83-20=63 Current State: 92:[71, 84, 63], Operations: ['83-20=63'] Exploring Operation: 71+84=155, Resulting Numbers: [63, 155] Generated Node #3: [63, 155] from Operation: 71+84=155 Current State: 92:[63, 155], Operations: ['83-20=63', '71+84=155'] Exploring Operation: 155-63=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[20, 83, 71, 84], Operations: [] Exploring Operation: 84-71=13, Resulting Numbers: [20, 83, 13] Generated Node #0,0: 92:[20, 83, 13] Operation: 84-71=13 Exploring Operation: 83-71=12, Resulting Numbers: [20, 84, 12] Generated Node #0,1: 92:[20, 84, 12] Operation: 83-71=12 Exploring Operation: 71-20=51, Resulting Numbers: [83, 84, 51] Generated Node #0,2: 92:[83, 84, 51] Operation: 71-20=51 Exploring Operation: 20+71=91, Resulting Numbers: [83, 84, 91] Generated Node #0,3: 92:[83, 84, 91] Operation: 20+71=91 Moving to Node #0,3 Current State: 92:[83, 84, 91], Operations: ['20+71=91'] Exploring Operation: 83+84=167, Resulting Numbers: [91, 167] Generated Node #0,3,0: 92:[91, 167] Operation: 83+84=167 Exploring Operation: 91-84=7, Resulting Numbers: [83, 7] Generated Node #0,3,1: 92:[83, 7] Operation: 91-84=7 Exploring Operation: 91-83=8, Resulting Numbers: [84, 8] Generated Node #0,3,2: 92:[84, 8] Operation: 91-83=8 Exploring Operation: 84-83=1, Resulting Numbers: [91, 1] Generated Node #0,3,3: 92:[91, 1] Operation: 84-83=1 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 92:[91, 1], Operations: ['20+71=91', '84-83=1'] Exploring Operation: 91*1=91, Resulting Numbers: [91] 91,92 unequal: No Solution Exploring Operation: 91+1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[20, 83, 71, 84], Operations: [] Exploring Operation: 20+71=91, Resulting Numbers: [83, 84, 91] Generated Node #0,3: 92:[83, 84, 91] Operation: 20+71=91 Moving to Node #0,3 Current State: 92:[83, 84, 91], Operations: ['20+71=91'] Exploring Operation: 84-83=1, Resulting Numbers: [91, 1] Generated Node #0,3,3: 92:[91, 1] Operation: 84-83=1 Moving to Node #0,3,3 Current State: 92:[91, 1], Operations: ['20+71=91', '84-83=1'] Exploring Operation: 91+1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 16, 1, 21, 46 ]
50
[ "16+1=17", "21+46=67", "67-17=50" ]
Current State: 50:[16, 1, 21, 46], Operations: [] Exploring Operation: 16+1=17, Resulting Numbers: [21, 46, 17] Generated Node #2: [21, 46, 17] from Operation: 16+1=17 Current State: 50:[21, 46, 17], Operations: ['16+1=17'] Exploring Operation: 21+46=67, Resulting Numbers: [17, 67] Generated Node #3: [17, 67] from Operation: 21+46=67 Current State: 50:[17, 67], Operations: ['16+1=17', '21+46=67'] Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[16, 1, 21, 46], Operations: [] Exploring Operation: 16-1=15, Resulting Numbers: [21, 46, 15] Generated Node #0,0: 50:[21, 46, 15] Operation: 16-1=15 Exploring Operation: 21-16=5, Resulting Numbers: [1, 46, 5] Generated Node #0,1: 50:[1, 46, 5] Operation: 21-16=5 Exploring Operation: 46-16=30, Resulting Numbers: [1, 21, 30] Generated Node #0,2: 50:[1, 21, 30] Operation: 46-16=30 Exploring Operation: 46-21=25, Resulting Numbers: [16, 1, 25] Generated Node #0,3: 50:[16, 1, 25] Operation: 46-21=25 Moving to Node #0,1 Current State: 50:[1, 46, 5], Operations: ['21-16=5'] Exploring Operation: 46/1=46, Resulting Numbers: [5, 46] Generated Node #0,1,0: 50:[5, 46] Operation: 46/1=46 Exploring Operation: 1*46=46, Resulting Numbers: [5, 46] Generated Node #0,1,1: 50:[5, 46] Operation: 1*46=46 Exploring Operation: 1+46=47, Resulting Numbers: [5, 47] Generated Node #0,1,2: 50:[5, 47] Operation: 1+46=47 Exploring Operation: 46+5=51, Resulting Numbers: [1, 51] Generated Node #0,1,3: 50:[1, 51] Operation: 46+5=51 Moving to Node #0,3 Current State: 50:[16, 1, 25], Operations: ['46-21=25'] Exploring Operation: 16-1=15, Resulting Numbers: [25, 15] Generated Node #0,3,0: 50:[25, 15] Operation: 16-1=15 Exploring Operation: 16*1=16, Resulting Numbers: [25, 16] Generated Node #0,3,1: 50:[25, 16] Operation: 16*1=16 Exploring Operation: 25-16=9, Resulting Numbers: [1, 9] Generated Node #0,3,2: 50:[1, 9] Operation: 25-16=9 Exploring Operation: 16/1=16, Resulting Numbers: [25, 16] Generated Node #0,3,3: 50:[25, 16] Operation: 16/1=16 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 50:[1, 9], Operations: ['46-21=25', '25-16=9'] Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,50 unequal: No Solution Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,50 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 50:[25, 15], Operations: ['46-21=25', '16-1=15'] Exploring Operation: 25*15=375, Resulting Numbers: [375] 375,50 unequal: No Solution Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 25+15=40, Resulting Numbers: [40] 40,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 50:[25, 16], Operations: ['46-21=25', '16*1=16'] Exploring Operation: 25*16=400, Resulting Numbers: [400] 400,50 unequal: No Solution Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,50 unequal: No Solution Exploring Operation: 25+16=41, Resulting Numbers: [41] 41,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 50:[25, 16], Operations: ['46-21=25', '16/1=16'] Exploring Operation: 25+16=41, Resulting Numbers: [41] 41,50 unequal: No Solution Exploring Operation: 25*16=400, Resulting Numbers: [400] 400,50 unequal: No Solution Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 50:[1, 21, 30], Operations: ['46-16=30'] Exploring Operation: 30-21=9, Resulting Numbers: [1, 9] Generated Node #0,2,0: 50:[1, 9] Operation: 30-21=9 Exploring Operation: 21+30=51, Resulting Numbers: [1, 51] Generated Node #0,2,1: 50:[1, 51] Operation: 21+30=51 Exploring Operation: 30-1=29, Resulting Numbers: [21, 29] Generated Node #0,2,2: 50:[21, 29] Operation: 30-1=29 Exploring Operation: 1+21=22, Resulting Numbers: [30, 22] Generated Node #0,2,3: 50:[30, 22] Operation: 1+21=22 Moving to Node #0,0 Current State: 50:[21, 46, 15], Operations: ['16-1=15'] Exploring Operation: 21+15=36, Resulting Numbers: [46, 36] Generated Node #0,0,0: 50:[46, 36] Operation: 21+15=36 Exploring Operation: 46-21=25, Resulting Numbers: [15, 25] Generated Node #0,0,1: 50:[15, 25] Operation: 46-21=25 Exploring Operation: 21-15=6, Resulting Numbers: [46, 6] Generated Node #0,0,2: 50:[46, 6] Operation: 21-15=6 Exploring Operation: 46-15=31, Resulting Numbers: [21, 31] Generated Node #0,0,3: 50:[21, 31] Operation: 46-15=31 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[15, 25], Operations: ['16-1=15', '46-21=25'] Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 15*25=375, Resulting Numbers: [375] 375,50 unequal: No Solution Exploring Operation: 15+25=40, Resulting Numbers: [40] 40,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 50:[46, 6], Operations: ['16-1=15', '21-15=6'] Exploring Operation: 46+6=52, Resulting Numbers: [52] 52,50 unequal: No Solution Exploring Operation: 46*6=276, Resulting Numbers: [276] 276,50 unequal: No Solution Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 50:[21, 31], Operations: ['16-1=15', '46-15=31'] Exploring Operation: 21*31=651, Resulting Numbers: [651] 651,50 unequal: No Solution Exploring Operation: 31-21=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 21+31=52, Resulting Numbers: [52] 52,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[46, 36], Operations: ['16-1=15', '21+15=36'] Exploring Operation: 46-36=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 46*36=1656, Resulting Numbers: [1656] 1656,50 unequal: No Solution Exploring Operation: 46+36=82, Resulting Numbers: [82] 82,50 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: 50:[1, 51], Operations: ['21-16=5', '46+5=51'] Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[16, 1, 21, 46], Operations: [] Exploring Operation: 21-16=5, Resulting Numbers: [1, 46, 5] Generated Node #0,1: 50:[1, 46, 5] Operation: 21-16=5 Moving to Node #0,1 Current State: 50:[1, 46, 5], Operations: ['21-16=5'] Exploring Operation: 46+5=51, Resulting Numbers: [1, 51] Generated Node #0,1,3: 50:[1, 51] Operation: 46+5=51 Moving to Node #0,1,3 Current State: 50:[1, 51], Operations: ['21-16=5', '46+5=51'] Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
0.956597
hs_4
sum_heuristic
[ 16, 13, 15, 67 ]
12
[ "67-15=52", "52/13=4", "16-4=12" ]
Current State: 12:[16, 13, 15, 67], Operations: [] Exploring Operation: 67-15=52, Resulting Numbers: [16, 13, 52] Generated Node #2: [16, 13, 52] from Operation: 67-15=52 Current State: 12:[16, 13, 52], Operations: ['67-15=52'] Exploring Operation: 52/13=4, Resulting Numbers: [16, 4] Generated Node #3: [16, 4] from Operation: 52/13=4 Current State: 12:[16, 4], Operations: ['67-15=52', '52/13=4'] Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[16, 13, 15, 67], Operations: [] Exploring Operation: 67-15=52, Resulting Numbers: [16, 13, 52] Generated Node #0,0: 12:[16, 13, 52] Operation: 67-15=52 Exploring Operation: 67-13=54, Resulting Numbers: [16, 15, 54] Generated Node #0,1: 12:[16, 15, 54] Operation: 67-13=54 Exploring Operation: 67-16=51, Resulting Numbers: [13, 15, 51] Generated Node #0,2: 12:[13, 15, 51] Operation: 67-16=51 Start Sub Search at level 1: Moving to Node #0,2 Current State: 12:[13, 15, 51], Operations: ['67-16=51'] Exploring Operation: 51-13=38, Resulting Numbers: [15, 38] Generated Node #0,2,0: 12:[15, 38] Operation: 51-13=38 Exploring Operation: 15-13=2, Resulting Numbers: [51, 2] Generated Node #0,2,1: 12:[51, 2] Operation: 15-13=2 Exploring Operation: 51-15=36, Resulting Numbers: [13, 36] Generated Node #0,2,2: 12:[13, 36] Operation: 51-15=36 Moving to Node #0,2,2 Current State: 12:[13, 36], Operations: ['67-16=51', '51-15=36'] Exploring Operation: 13+36=49, Resulting Numbers: [49] 49,12 unequal: No Solution Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,12 unequal: No Solution Exploring Operation: 13*36=468, Resulting Numbers: [468] 468,12 unequal: No Solution Moving to Node #0,2,0 Current State: 12:[15, 38], Operations: ['67-16=51', '51-13=38'] Exploring Operation: 15*38=570, Resulting Numbers: [570] 570,12 unequal: No Solution Exploring Operation: 15+38=53, Resulting Numbers: [53] 53,12 unequal: No Solution Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,12 unequal: No Solution Moving to Node #0,2,1 Current State: 12:[51, 2], Operations: ['67-16=51', '15-13=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,12 unequal: No Solution Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,12 unequal: No Solution Exploring Operation: 51*2=102, Resulting Numbers: [102] 102,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[16, 13, 52], Operations: ['67-15=52'] Exploring Operation: 52/13=4, Resulting Numbers: [16, 4] Generated Node #0,0,0: 12:[16, 4] Operation: 52/13=4 Exploring Operation: 52-16=36, Resulting Numbers: [13, 36] Generated Node #0,0,1: 12:[13, 36] Operation: 52-16=36 Exploring Operation: 52-13=39, Resulting Numbers: [16, 39] Generated Node #0,0,2: 12:[16, 39] Operation: 52-13=39 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 12:[16, 4], Operations: ['67-15=52', '52/13=4'] Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[16, 13, 15, 67], Operations: [] Exploring Operation: 67-15=52, Resulting Numbers: [16, 13, 52] Generated Node #0,0: 12:[16, 13, 52] Operation: 67-15=52 Moving to Node #0,0 Current State: 12:[16, 13, 52], Operations: ['67-15=52'] Exploring Operation: 52/13=4, Resulting Numbers: [16, 4] Generated Node #0,0,0: 12:[16, 4] Operation: 52/13=4 Moving to Node #0,0,0 Current State: 12:[16, 4], Operations: ['67-15=52', '52/13=4'] Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 80, 9, 20, 14 ]
83
[ "80+9=89", "20-14=6", "89-6=83" ]
Current State: 83:[80, 9, 20, 14], Operations: [] Exploring Operation: 80+9=89, Resulting Numbers: [20, 14, 89] Generated Node #2: [20, 14, 89] from Operation: 80+9=89 Current State: 83:[20, 14, 89], Operations: ['80+9=89'] Exploring Operation: 20-14=6, Resulting Numbers: [89, 6] Generated Node #3: [89, 6] from Operation: 20-14=6 Current State: 83:[89, 6], Operations: ['80+9=89', '20-14=6'] Exploring Operation: 89-6=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[80, 9, 20, 14], Operations: [] Exploring Operation: 9*14=126, Resulting Numbers: [80, 20, 126] Generated Node #0,0: 83:[80, 20, 126] Operation: 9*14=126 Exploring Operation: 9+14=23, Resulting Numbers: [80, 20, 23] Generated Node #0,1: 83:[80, 20, 23] Operation: 9+14=23 Exploring Operation: 9+20=29, Resulting Numbers: [80, 14, 29] Generated Node #0,2: 83:[80, 14, 29] Operation: 9+20=29 Exploring Operation: 20+14=34, Resulting Numbers: [80, 9, 34] Generated Node #0,3: 83:[80, 9, 34] Operation: 20+14=34 Exploring Operation: 80+9=89, Resulting Numbers: [20, 14, 89] Generated Node #0,4: 83:[20, 14, 89] Operation: 80+9=89 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[80, 20, 126], Operations: ['9*14=126'] Exploring Operation: 126-80=46, Resulting Numbers: [20, 46] Generated Node #0,0,0: 83:[20, 46] Operation: 126-80=46 Exploring Operation: 20+126=146, Resulting Numbers: [80, 146] Generated Node #0,0,1: 83:[80, 146] Operation: 20+126=146 Exploring Operation: 80-20=60, Resulting Numbers: [126, 60] Generated Node #0,0,2: 83:[126, 60] Operation: 80-20=60 Exploring Operation: 80+20=100, Resulting Numbers: [126, 100] Generated Node #0,0,3: 83:[126, 100] Operation: 80+20=100 Exploring Operation: 126-20=106, Resulting Numbers: [80, 106] Generated Node #0,0,4: 83:[80, 106] Operation: 126-20=106 Moving to Node #0,0,4 Current State: 83:[80, 106], Operations: ['9*14=126', '126-20=106'] Exploring Operation: 80*106=8480, Resulting Numbers: [8480] 8480,83 unequal: No Solution Exploring Operation: 80+106=186, Resulting Numbers: [186] 186,83 unequal: No Solution Exploring Operation: 106-80=26, Resulting Numbers: [26] 26,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[126, 100], Operations: ['9*14=126', '80+20=100'] Exploring Operation: 126*100=12600, Resulting Numbers: [12600] 12600,83 unequal: No Solution Exploring Operation: 126-100=26, Resulting Numbers: [26] 26,83 unequal: No Solution Exploring Operation: 126+100=226, Resulting Numbers: [226] 226,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[80, 146], Operations: ['9*14=126', '20+126=146'] Exploring Operation: 80+146=226, Resulting Numbers: [226] 226,83 unequal: No Solution Exploring Operation: 80*146=11680, Resulting Numbers: [11680] 11680,83 unequal: No Solution Exploring Operation: 146-80=66, Resulting Numbers: [66] 66,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[126, 60], Operations: ['9*14=126', '80-20=60'] Exploring Operation: 126-60=66, Resulting Numbers: [66] 66,83 unequal: No Solution Exploring Operation: 126+60=186, Resulting Numbers: [186] 186,83 unequal: No Solution Exploring Operation: 126*60=7560, Resulting Numbers: [7560] 7560,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[20, 46], Operations: ['9*14=126', '126-80=46'] Exploring Operation: 20*46=920, Resulting Numbers: [920] 920,83 unequal: No Solution Exploring Operation: 46-20=26, Resulting Numbers: [26] 26,83 unequal: No Solution Exploring Operation: 20+46=66, Resulting Numbers: [66] 66,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[80, 20, 23], Operations: ['9+14=23'] Exploring Operation: 23-20=3, Resulting Numbers: [80, 3] Generated Node #0,1,0: 83:[80, 3] Operation: 23-20=3 Exploring Operation: 20+23=43, Resulting Numbers: [80, 43] Generated Node #0,1,1: 83:[80, 43] Operation: 20+23=43 Exploring Operation: 80+23=103, Resulting Numbers: [20, 103] Generated Node #0,1,2: 83:[20, 103] Operation: 80+23=103 Exploring Operation: 80+20=100, Resulting Numbers: [23, 100] Generated Node #0,1,3: 83:[23, 100] Operation: 80+20=100 Exploring Operation: 80-20=60, Resulting Numbers: [23, 60] Generated Node #0,1,4: 83:[23, 60] Operation: 80-20=60 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 83:[80, 43], Operations: ['9+14=23', '20+23=43'] Exploring Operation: 80*43=3440, Resulting Numbers: [3440] 3440,83 unequal: No Solution Exploring Operation: 80+43=123, Resulting Numbers: [123] 123,83 unequal: No Solution Exploring Operation: 80-43=37, Resulting Numbers: [37] 37,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 83:[23, 100], Operations: ['9+14=23', '80+20=100'] Exploring Operation: 100-23=77, Resulting Numbers: [77] 77,83 unequal: No Solution Exploring Operation: 23+100=123, Resulting Numbers: [123] 123,83 unequal: No Solution Exploring Operation: 23*100=2300, Resulting Numbers: [2300] 2300,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 83:[80, 3], Operations: ['9+14=23', '23-20=3'] Exploring Operation: 80+3=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[80, 9, 20, 14], Operations: [] Exploring Operation: 9+14=23, Resulting Numbers: [80, 20, 23] Generated Node #0,1: 83:[80, 20, 23] Operation: 9+14=23 Moving to Node #0,1 Current State: 83:[80, 20, 23], Operations: ['9+14=23'] Exploring Operation: 23-20=3, Resulting Numbers: [80, 3] Generated Node #0,1,0: 83:[80, 3] Operation: 23-20=3 Moving to Node #0,1,0 Current State: 83:[80, 3], Operations: ['9+14=23', '23-20=3'] Exploring Operation: 80+3=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96441
hs_5
sum_heuristic
[ 58, 91, 7, 4 ]
79
[ "91-7=84", "84/4=21", "58+21=79" ]
Current State: 79:[58, 91, 7, 4], Operations: [] Exploring Operation: 91-7=84, Resulting Numbers: [58, 4, 84] Generated Node #2: [58, 4, 84] from Operation: 91-7=84 Current State: 79:[58, 4, 84], Operations: ['91-7=84'] Exploring Operation: 84/4=21, Resulting Numbers: [58, 21] Generated Node #3: [58, 21] from Operation: 84/4=21 Current State: 79:[58, 21], Operations: ['91-7=84', '84/4=21'] Exploring Operation: 58+21=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[58, 91, 7, 4], Operations: [] Exploring Operation: 91-7=84, Resulting Numbers: [58, 4, 84] Generated Node #0,0: 79:[58, 4, 84] Operation: 91-7=84 Exploring Operation: 7*4=28, Resulting Numbers: [58, 91, 28] Generated Node #0,1: 79:[58, 91, 28] Operation: 7*4=28 Exploring Operation: 58+7=65, Resulting Numbers: [91, 4, 65] Generated Node #0,2: 79:[91, 4, 65] Operation: 58+7=65 Exploring Operation: 91-4=87, Resulting Numbers: [58, 7, 87] Generated Node #0,3: 79:[58, 7, 87] Operation: 91-4=87 Exploring Operation: 58+4=62, Resulting Numbers: [91, 7, 62] Generated Node #0,4: 79:[91, 7, 62] Operation: 58+4=62 Moving to Node #0,1 Current State: 79:[58, 91, 28], Operations: ['7*4=28'] Exploring Operation: 58-28=30, Resulting Numbers: [91, 30] Generated Node #0,1,0: 79:[91, 30] Operation: 58-28=30 Exploring Operation: 91+28=119, Resulting Numbers: [58, 119] Generated Node #0,1,1: 79:[58, 119] Operation: 91+28=119 Exploring Operation: 91-28=63, Resulting Numbers: [58, 63] Generated Node #0,1,2: 79:[58, 63] Operation: 91-28=63 Exploring Operation: 91-58=33, Resulting Numbers: [28, 33] Generated Node #0,1,3: 79:[28, 33] Operation: 91-58=33 Exploring Operation: 58+28=86, Resulting Numbers: [91, 86] Generated Node #0,1,4: 79:[91, 86] Operation: 58+28=86 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 79:[91, 86], Operations: ['7*4=28', '58+28=86'] Exploring Operation: 91+86=177, Resulting Numbers: [177] 177,79 unequal: No Solution Exploring Operation: 91-86=5, Resulting Numbers: [5] 5,79 unequal: No Solution Exploring Operation: 91*86=7826, Resulting Numbers: [7826] 7826,79 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 #0,1,2 Current State: 79:[58, 63], Operations: ['7*4=28', '91-28=63'] Exploring Operation: 58*63=3654, Resulting Numbers: [3654] 3654,79 unequal: No Solution Exploring Operation: 58+63=121, Resulting Numbers: [121] 121,79 unequal: No Solution Exploring Operation: 63-58=5, Resulting Numbers: [5] 5,79 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 #0,1,0 Current State: 79:[91, 30], Operations: ['7*4=28', '58-28=30'] Exploring Operation: 91+30=121, Resulting Numbers: [121] 121,79 unequal: No Solution Exploring Operation: 91-30=61, Resulting Numbers: [61] 61,79 unequal: No Solution Exploring Operation: 91*30=2730, Resulting Numbers: [2730] 2730,79 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:[58, 119], Operations: ['7*4=28', '91+28=119'] Exploring Operation: 119-58=61, Resulting Numbers: [61] 61,79 unequal: No Solution Exploring Operation: 58+119=177, Resulting Numbers: [177] 177,79 unequal: No Solution Exploring Operation: 58*119=6902, Resulting Numbers: [6902] 6902,79 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 #0,1,3 Current State: 79:[28, 33], Operations: ['7*4=28', '91-58=33'] Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,79 unequal: No Solution Exploring Operation: 28+33=61, Resulting Numbers: [61] 61,79 unequal: No Solution Exploring Operation: 28*33=924, Resulting Numbers: [924] 924,79 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: 79:[91, 4, 65], Operations: ['58+7=65'] Exploring Operation: 65-4=61, Resulting Numbers: [91, 61] Generated Node #0,2,0: 79:[91, 61] Operation: 65-4=61 Exploring Operation: 91+4=95, Resulting Numbers: [65, 95] Generated Node #0,2,1: 79:[65, 95] Operation: 91+4=95 Exploring Operation: 91-65=26, Resulting Numbers: [4, 26] Generated Node #0,2,2: 79:[4, 26] Operation: 91-65=26 Exploring Operation: 4+65=69, Resulting Numbers: [91, 69] Generated Node #0,2,3: 79:[91, 69] Operation: 4+65=69 Exploring Operation: 91-4=87, Resulting Numbers: [65, 87] Generated Node #0,2,4: 79:[65, 87] Operation: 91-4=87 Moving to Node #0,4 Current State: 79:[91, 7, 62], Operations: ['58+4=62'] Exploring Operation: 7+62=69, Resulting Numbers: [91, 69] Generated Node #0,4,0: 79:[91, 69] Operation: 7+62=69 Exploring Operation: 91+7=98, Resulting Numbers: [62, 98] Generated Node #0,4,1: 79:[62, 98] Operation: 91+7=98 Exploring Operation: 62-7=55, Resulting Numbers: [91, 55] Generated Node #0,4,2: 79:[91, 55] Operation: 62-7=55 Exploring Operation: 91-7=84, Resulting Numbers: [62, 84] Generated Node #0,4,3: 79:[62, 84] Operation: 91-7=84 Exploring Operation: 91/7=13, Resulting Numbers: [62, 13] Generated Node #0,4,4: 79:[62, 13] Operation: 91/7=13 Moving to Node #0,0 Current State: 79:[58, 4, 84], Operations: ['91-7=84'] Exploring Operation: 84/4=21, Resulting Numbers: [58, 21] Generated Node #0,0,0: 79:[58, 21] Operation: 84/4=21 Exploring Operation: 4+84=88, Resulting Numbers: [58, 88] Generated Node #0,0,1: 79:[58, 88] Operation: 4+84=88 Exploring Operation: 84-4=80, Resulting Numbers: [58, 80] Generated Node #0,0,2: 79:[58, 80] Operation: 84-4=80 Exploring Operation: 58-4=54, Resulting Numbers: [84, 54] Generated Node #0,0,3: 79:[84, 54] Operation: 58-4=54 Exploring Operation: 58+4=62, Resulting Numbers: [84, 62] Generated Node #0,0,4: 79:[84, 62] Operation: 58+4=62 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 79:[58, 80], Operations: ['91-7=84', '84-4=80'] Exploring Operation: 58+80=138, Resulting Numbers: [138] 138,79 unequal: No Solution Exploring Operation: 58*80=4640, Resulting Numbers: [4640] 4640,79 unequal: No Solution Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 79:[84, 62], Operations: ['91-7=84', '58+4=62'] Exploring Operation: 84+62=146, Resulting Numbers: [146] 146,79 unequal: No Solution Exploring Operation: 84*62=5208, Resulting Numbers: [5208] 5208,79 unequal: No Solution Exploring Operation: 84-62=22, Resulting Numbers: [22] 22,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 79:[58, 88], Operations: ['91-7=84', '4+84=88'] Exploring Operation: 88-58=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 58*88=5104, Resulting Numbers: [5104] 5104,79 unequal: No Solution Exploring Operation: 58+88=146, Resulting Numbers: [146] 146,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 79:[84, 54], Operations: ['91-7=84', '58-4=54'] Exploring Operation: 84+54=138, Resulting Numbers: [138] 138,79 unequal: No Solution Exploring Operation: 84-54=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 84*54=4536, Resulting Numbers: [4536] 4536,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[58, 21], Operations: ['91-7=84', '84/4=21'] Exploring Operation: 58+21=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[58, 91, 7, 4], Operations: [] Exploring Operation: 91-7=84, Resulting Numbers: [58, 4, 84] Generated Node #0,0: 79:[58, 4, 84] Operation: 91-7=84 Moving to Node #0,0 Current State: 79:[58, 4, 84], Operations: ['91-7=84'] Exploring Operation: 84/4=21, Resulting Numbers: [58, 21] Generated Node #0,0,0: 79:[58, 21] Operation: 84/4=21 Moving to Node #0,0,0 Current State: 79:[58, 21], Operations: ['91-7=84', '84/4=21'] Exploring Operation: 58+21=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.950521
hs_5
mult_heuristic
[ 32, 67, 6, 22 ]
58
[ "32+22=54", "54/6=9", "67-9=58" ]
Current State: 58:[32, 67, 6, 22], Operations: [] Exploring Operation: 32+22=54, Resulting Numbers: [67, 6, 54] Generated Node #2: [67, 6, 54] from Operation: 32+22=54 Current State: 58:[67, 6, 54], Operations: ['32+22=54'] Exploring Operation: 54/6=9, Resulting Numbers: [67, 9] Generated Node #3: [67, 9] from Operation: 54/6=9 Current State: 58:[67, 9], Operations: ['32+22=54', '54/6=9'] Exploring Operation: 67-9=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[32, 67, 6, 22], Operations: [] Exploring Operation: 6+22=28, Resulting Numbers: [32, 67, 28] Generated Node #0,0: 58:[32, 67, 28] Operation: 6+22=28 Exploring Operation: 67-6=61, Resulting Numbers: [32, 22, 61] Generated Node #0,1: 58:[32, 22, 61] Operation: 67-6=61 Moving to Node #0,0 Current State: 58:[32, 67, 28], Operations: ['6+22=28'] Exploring Operation: 32+28=60, Resulting Numbers: [67, 60] Generated Node #0,0,0: 58:[67, 60] Operation: 32+28=60 Exploring Operation: 67-32=35, Resulting Numbers: [28, 35] Generated Node #0,0,1: 58:[28, 35] Operation: 67-32=35 Moving to Node #0,1 Current State: 58:[32, 22, 61], Operations: ['67-6=61'] Exploring Operation: 61-32=29, Resulting Numbers: [22, 29] Generated Node #0,1,0: 58:[22, 29] Operation: 61-32=29 Exploring Operation: 32+22=54, Resulting Numbers: [61, 54] Generated Node #0,1,1: 58:[61, 54] Operation: 32+22=54 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[22, 29], Operations: ['67-6=61', '61-32=29'] Exploring Operation: 22+29=51, Resulting Numbers: [51] 51,58 unequal: No Solution Exploring Operation: 29-22=7, Resulting Numbers: [7] 7,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[61, 54], Operations: ['67-6=61', '32+22=54'] Exploring Operation: 61+54=115, Resulting Numbers: [115] 115,58 unequal: No Solution Exploring Operation: 61-54=7, Resulting Numbers: [7] 7,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 58:[28, 35], Operations: ['6+22=28', '67-32=35'] Exploring Operation: 28+35=63, Resulting Numbers: [63] 63,58 unequal: No Solution Exploring Operation: 35-28=7, Resulting Numbers: [7] 7,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[67, 60], Operations: ['6+22=28', '32+28=60'] Exploring Operation: 67-60=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 67+60=127, Resulting Numbers: [127] 127,58 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 50, 90, 21, 24 ]
40
[ "50*21=1050", "1050-90=960", "960/24=40" ]
Current State: 40:[50, 90, 21, 24], Operations: [] Exploring Operation: 50*21=1050, Resulting Numbers: [90, 24, 1050] Generated Node #2: [90, 24, 1050] from Operation: 50*21=1050 Current State: 40:[90, 24, 1050], Operations: ['50*21=1050'] Exploring Operation: 1050-90=960, Resulting Numbers: [24, 960] Generated Node #3: [24, 960] from Operation: 1050-90=960 Current State: 40:[24, 960], Operations: ['50*21=1050', '1050-90=960'] Exploring Operation: 960/24=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[50, 90, 21, 24], Operations: [] Exploring Operation: 90-24=66, Resulting Numbers: [50, 21, 66] Generated Node #0,0: 40:[50, 21, 66] Operation: 90-24=66 Exploring Operation: 90-50=40, Resulting Numbers: [21, 24, 40] Generated Node #0,1: 40:[21, 24, 40] Operation: 90-50=40 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[21, 24, 40], Operations: ['90-50=40'] Exploring Operation: 21+24=45, Resulting Numbers: [40, 45] Generated Node #0,1,0: 40:[40, 45] Operation: 21+24=45 Exploring Operation: 24-21=3, Resulting Numbers: [40, 3] Generated Node #0,1,1: 40:[40, 3] Operation: 24-21=3 Moving to Node #0,1,1 Current State: 40:[40, 3], Operations: ['90-50=40', '24-21=3'] Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,40 unequal: No Solution Exploring Operation: 40+3=43, Resulting Numbers: [43] 43,40 unequal: No Solution Moving to Node #0,1,0 Current State: 40:[40, 45], Operations: ['90-50=40', '21+24=45'] Exploring Operation: 45-40=5, Resulting Numbers: [5] 5,40 unequal: No Solution Exploring Operation: 40+45=85, Resulting Numbers: [85] 85,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[50, 21, 66], Operations: ['90-24=66'] Exploring Operation: 66-50=16, Resulting Numbers: [21, 16] Generated Node #0,0,0: 40:[21, 16] Operation: 66-50=16 Exploring Operation: 66-21=45, Resulting Numbers: [50, 45] Generated Node #0,0,1: 40:[50, 45] Operation: 66-21=45 Moving to Node #0,0,0 Current State: 40:[21, 16], Operations: ['90-24=66', '66-50=16'] Exploring Operation: 21+16=37, Resulting Numbers: [37] 37,40 unequal: No Solution Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,40 unequal: No Solution Moving to Node #0,0,1 Current State: 40:[50, 45], Operations: ['90-24=66', '66-21=45'] Exploring Operation: 50+45=95, Resulting Numbers: [95] 95,40 unequal: No Solution Exploring Operation: 50-45=5, Resulting Numbers: [5] 5,40 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
[ 64, 4, 81, 3 ]
68
[ "64/4=16", "81+3=84", "84-16=68" ]
Current State: 68:[64, 4, 81, 3], Operations: [] Exploring Operation: 64/4=16, Resulting Numbers: [81, 3, 16] Generated Node #2: [81, 3, 16] from Operation: 64/4=16 Current State: 68:[81, 3, 16], Operations: ['64/4=16'] Exploring Operation: 81+3=84, Resulting Numbers: [16, 84] Generated Node #3: [16, 84] from Operation: 81+3=84 Current State: 68:[16, 84], Operations: ['64/4=16', '81+3=84'] Exploring Operation: 84-16=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[64, 4, 81, 3], Operations: [] Exploring Operation: 64+4=68, Resulting Numbers: [81, 3, 68] Generated Node #0,0: 68:[81, 3, 68] Operation: 64+4=68 Exploring Operation: 64+3=67, Resulting Numbers: [4, 81, 67] Generated Node #0,1: 68:[4, 81, 67] Operation: 64+3=67 Exploring Operation: 81-64=17, Resulting Numbers: [4, 3, 17] Generated Node #0,2: 68:[4, 3, 17] Operation: 81-64=17 Exploring Operation: 81/3=27, Resulting Numbers: [64, 4, 27] Generated Node #0,3: 68:[64, 4, 27] Operation: 81/3=27 Start Sub Search at level 1: Moving to Node #0,2 Current State: 68:[4, 3, 17], Operations: ['81-64=17'] Exploring Operation: 3+17=20, Resulting Numbers: [4, 20] Generated Node #0,2,0: 68:[4, 20] Operation: 3+17=20 Exploring Operation: 4+3=7, Resulting Numbers: [17, 7] Generated Node #0,2,1: 68:[17, 7] Operation: 4+3=7 Exploring Operation: 4-3=1, Resulting Numbers: [17, 1] Generated Node #0,2,2: 68:[17, 1] Operation: 4-3=1 Exploring Operation: 4*17=68, Resulting Numbers: [3, 68] Generated Node #0,2,3: 68:[3, 68] Operation: 4*17=68 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 68:[17, 1], Operations: ['81-64=17', '4-3=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,68 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,68 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,68 unequal: No Solution Exploring Operation: 17-1=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 #0,2,3 Current State: 68:[3, 68], Operations: ['81-64=17', '4*17=68'] Exploring Operation: 3*68=204, Resulting Numbers: [204] 204,68 unequal: No Solution Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,68 unequal: No Solution Exploring Operation: 3+68=71, Resulting Numbers: [71] 71,68 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:[4, 20], Operations: ['81-64=17', '3+17=20'] Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,68 unequal: No Solution Exploring Operation: 4*20=80, Resulting Numbers: [80] 80,68 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,68 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,68 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:[17, 7], Operations: ['81-64=17', '4+3=7'] Exploring Operation: 17*7=119, Resulting Numbers: [119] 119,68 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,68 unequal: No Solution Exploring Operation: 17+7=24, Resulting Numbers: [24] 24,68 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:[64, 4, 27], Operations: ['81/3=27'] Exploring Operation: 64+4=68, Resulting Numbers: [27, 68] Generated Node #0,3,0: 68:[27, 68] Operation: 64+4=68 Exploring Operation: 4+27=31, Resulting Numbers: [64, 31] Generated Node #0,3,1: 68:[64, 31] Operation: 4+27=31 Exploring Operation: 64-27=37, Resulting Numbers: [4, 37] Generated Node #0,3,2: 68:[4, 37] Operation: 64-27=37 Exploring Operation: 64/4=16, Resulting Numbers: [27, 16] Generated Node #0,3,3: 68:[27, 16] Operation: 64/4=16 Moving to Node #0,3,2 Current State: 68:[4, 37], Operations: ['81/3=27', '64-27=37'] Exploring Operation: 4+37=41, Resulting Numbers: [41] 41,68 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,68 unequal: No Solution Exploring Operation: 4*37=148, Resulting Numbers: [148] 148,68 unequal: No Solution Moving to Node #0,3,1 Current State: 68:[64, 31], Operations: ['81/3=27', '4+27=31'] Exploring Operation: 64*31=1984, Resulting Numbers: [1984] 1984,68 unequal: No Solution Exploring Operation: 64+31=95, Resulting Numbers: [95] 95,68 unequal: No Solution Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,68 unequal: No Solution Moving to Node #0,3,0 Current State: 68:[27, 68], Operations: ['81/3=27', '64+4=68'] Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,68 unequal: No Solution Exploring Operation: 27+68=95, Resulting Numbers: [95] 95,68 unequal: No Solution Exploring Operation: 27*68=1836, Resulting Numbers: [1836] 1836,68 unequal: No Solution Moving to Node #0,3,3 Current State: 68:[27, 16], Operations: ['81/3=27', '64/4=16'] Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 27*16=432, Resulting Numbers: [432] 432,68 unequal: No Solution Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[81, 3, 68], Operations: ['64+4=68'] Exploring Operation: 81-68=13, Resulting Numbers: [3, 13] Generated Node #0,0,0: 68:[3, 13] Operation: 81-68=13 Exploring Operation: 81/3=27, Resulting Numbers: [68, 27] Generated Node #0,0,1: 68:[68, 27] Operation: 81/3=27 Exploring Operation: 81+3=84, Resulting Numbers: [68, 84] Generated Node #0,0,2: 68:[68, 84] Operation: 81+3=84 Exploring Operation: 81-3=78, Resulting Numbers: [68, 78] Generated Node #0,0,3: 68:[68, 78] Operation: 81-3=78 Moving to Node #0,0,0 Current State: 68:[3, 13], Operations: ['64+4=68', '81-68=13'] Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,68 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,68 unequal: No Solution Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[68, 27], Operations: ['64+4=68', '81/3=27'] Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,68 unequal: No Solution Exploring Operation: 68+27=95, Resulting Numbers: [95] 95,68 unequal: No Solution Exploring Operation: 68*27=1836, Resulting Numbers: [1836] 1836,68 unequal: No Solution Moving to Node #0,0,3 Current State: 68:[68, 78], Operations: ['64+4=68', '81-3=78'] Exploring Operation: 68+78=146, Resulting Numbers: [146] 146,68 unequal: No Solution Exploring Operation: 68*78=5304, Resulting Numbers: [5304] 5304,68 unequal: No Solution Exploring Operation: 78-68=10, Resulting Numbers: [10] 10,68 unequal: No Solution Moving to Node #0,0,2 Current State: 68:[68, 84], Operations: ['64+4=68', '81+3=84'] Exploring Operation: 84-68=16, Resulting Numbers: [16] 16,68 unequal: No Solution Exploring Operation: 68+84=152, Resulting Numbers: [152] 152,68 unequal: No Solution Exploring Operation: 68*84=5712, Resulting Numbers: [5712] 5712,68 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 #0,1 Current State: 68:[4, 81, 67], Operations: ['64+3=67'] Exploring Operation: 4+67=71, Resulting Numbers: [81, 71] Generated Node #0,1,0: 68:[81, 71] Operation: 4+67=71 Exploring Operation: 81-4=77, Resulting Numbers: [67, 77] Generated Node #0,1,1: 68:[67, 77] Operation: 81-4=77 Exploring Operation: 4+81=85, Resulting Numbers: [67, 85] Generated Node #0,1,2: 68:[67, 85] Operation: 4+81=85 Exploring Operation: 81-67=14, Resulting Numbers: [4, 14] Generated Node #0,1,3: 68:[4, 14] Operation: 81-67=14 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 68:[4, 14], Operations: ['64+3=67', '81-67=14'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,68 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,68 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,68 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 #0,1,1 Current State: 68:[67, 77], Operations: ['64+3=67', '81-4=77'] Exploring Operation: 67*77=5159, Resulting Numbers: [5159] 5159,68 unequal: No Solution Exploring Operation: 77-67=10, Resulting Numbers: [10] 10,68 unequal: No Solution Exploring Operation: 67+77=144, Resulting Numbers: [144] 144,68 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 #0,1,0 Current State: 68:[81, 71], Operations: ['64+3=67', '4+67=71'] Exploring Operation: 81+71=152, Resulting Numbers: [152] 152,68 unequal: No Solution Exploring Operation: 81*71=5751, Resulting Numbers: [5751] 5751,68 unequal: No Solution Exploring Operation: 81-71=10, Resulting Numbers: [10] 10,68 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 #0,1,2 Current State: 68:[67, 85], Operations: ['64+3=67', '4+81=85'] Exploring Operation: 67*85=5695, Resulting Numbers: [5695] 5695,68 unequal: No Solution Exploring Operation: 67+85=152, Resulting Numbers: [152] 152,68 unequal: No Solution Exploring Operation: 85-67=18, Resulting Numbers: [18] 18,68 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_4
sum_heuristic
[ 66, 23, 69, 91 ]
67
[ "66+23=89", "91-69=22", "89-22=67" ]
Current State: 67:[66, 23, 69, 91], Operations: [] Exploring Operation: 66+23=89, Resulting Numbers: [69, 91, 89] Generated Node #2: [69, 91, 89] from Operation: 66+23=89 Current State: 67:[69, 91, 89], Operations: ['66+23=89'] Exploring Operation: 91-69=22, Resulting Numbers: [89, 22] Generated Node #3: [89, 22] from Operation: 91-69=22 Current State: 67:[89, 22], Operations: ['66+23=89', '91-69=22'] Exploring Operation: 89-22=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[66, 23, 69, 91], Operations: [] Exploring Operation: 23+69=92, Resulting Numbers: [66, 91, 92] Generated Node #0,0: 67:[66, 91, 92] Operation: 23+69=92 Exploring Operation: 69-23=46, Resulting Numbers: [66, 91, 46] Generated Node #0,1: 67:[66, 91, 46] Operation: 69-23=46 Exploring Operation: 66+23=89, Resulting Numbers: [69, 91, 89] Generated Node #0,2: 67:[69, 91, 89] Operation: 66+23=89 Exploring Operation: 91-23=68, Resulting Numbers: [66, 69, 68] Generated Node #0,3: 67:[66, 69, 68] Operation: 91-23=68 Exploring Operation: 66-23=43, Resulting Numbers: [69, 91, 43] Generated Node #0,4: 67:[69, 91, 43] Operation: 66-23=43 Start Sub Search at level 1: Moving to Node #0,3 Current State: 67:[66, 69, 68], Operations: ['91-23=68'] Exploring Operation: 66+69=135, Resulting Numbers: [68, 135] Generated Node #0,3,0: 67:[68, 135] Operation: 66+69=135 Exploring Operation: 69-68=1, Resulting Numbers: [66, 1] Generated Node #0,3,1: 67:[66, 1] Operation: 69-68=1 Exploring Operation: 69-66=3, Resulting Numbers: [68, 3] Generated Node #0,3,2: 67:[68, 3] Operation: 69-66=3 Exploring Operation: 66+68=134, Resulting Numbers: [69, 134] Generated Node #0,3,3: 67:[69, 134] Operation: 66+68=134 Exploring Operation: 68-66=2, Resulting Numbers: [69, 2] Generated Node #0,3,4: 67:[69, 2] Operation: 68-66=2 Moving to Node #0,3,2 Current State: 67:[68, 3], Operations: ['91-23=68', '69-66=3'] Exploring Operation: 68*3=204, Resulting Numbers: [204] 204,67 unequal: No Solution Exploring Operation: 68+3=71, Resulting Numbers: [71] 71,67 unequal: No Solution Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,67 unequal: No Solution Moving to Node #0,3,4 Current State: 67:[69, 2], Operations: ['91-23=68', '68-66=2'] Exploring Operation: 69*2=138, Resulting Numbers: [138] 138,67 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[66, 23, 69, 91], Operations: [] Exploring Operation: 91-23=68, Resulting Numbers: [66, 69, 68] Generated Node #0,3: 67:[66, 69, 68] Operation: 91-23=68 Moving to Node #0,3 Current State: 67:[66, 69, 68], Operations: ['91-23=68'] Exploring Operation: 68-66=2, Resulting Numbers: [69, 2] Generated Node #0,3,4: 67:[69, 2] Operation: 68-66=2 Moving to Node #0,3,4 Current State: 67:[69, 2], Operations: ['91-23=68', '68-66=2'] Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 83, 83, 78, 89 ]
53
[ "83*83=6889", "78*89=6942", "6942-6889=53" ]
Current State: 53:[83, 83, 78, 89], Operations: [] Exploring Operation: 83*83=6889, Resulting Numbers: [78, 89, 6889] Generated Node #2: [78, 89, 6889] from Operation: 83*83=6889 Current State: 53:[78, 89, 6889], Operations: ['83*83=6889'] Exploring Operation: 78*89=6942, Resulting Numbers: [6889, 6942] Generated Node #3: [6889, 6942] from Operation: 78*89=6942 Current State: 53:[6889, 6942], Operations: ['83*83=6889', '78*89=6942'] Exploring Operation: 6942-6889=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[83, 83, 78, 89], Operations: [] Exploring Operation: 89-83=6, Resulting Numbers: [83, 78, 6] Generated Node #0,0: 53:[83, 78, 6] Operation: 89-83=6 Exploring Operation: 89-78=11, Resulting Numbers: [83, 83, 11] Generated Node #0,1: 53:[83, 83, 11] Operation: 89-78=11 Exploring Operation: 89-83=6, Resulting Numbers: [83, 78, 6] Generated Node #0,2: 53:[83, 78, 6] Operation: 89-83=6 Exploring Operation: 83/83=1, Resulting Numbers: [78, 89, 1] Generated Node #0,3: 53:[78, 89, 1] Operation: 83/83=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[83, 78, 6], Operations: ['89-83=6'] Exploring Operation: 78-6=72, Resulting Numbers: [83, 72] Generated Node #0,0,0: 53:[83, 72] Operation: 78-6=72 Exploring Operation: 78+6=84, Resulting Numbers: [83, 84] Generated Node #0,0,1: 53:[83, 84] Operation: 78+6=84 Exploring Operation: 83+6=89, Resulting Numbers: [78, 89] Generated Node #0,0,2: 53:[78, 89] Operation: 83+6=89 Exploring Operation: 83-6=77, Resulting Numbers: [78, 77] Generated Node #0,0,3: 53:[78, 77] Operation: 83-6=77 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[83, 72], Operations: ['89-83=6', '78-6=72'] Exploring Operation: 83+72=155, Resulting Numbers: [155] 155,53 unequal: No Solution Exploring Operation: 83-72=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 83*72=5976, Resulting Numbers: [5976] 5976,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 53:[78, 77], Operations: ['89-83=6', '83-6=77'] Exploring Operation: 78+77=155, Resulting Numbers: [155] 155,53 unequal: No Solution Exploring Operation: 78*77=6006, Resulting Numbers: [6006] 6006,53 unequal: No Solution Exploring Operation: 78-77=1, Resulting Numbers: [1] 1,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[83, 84], Operations: ['89-83=6', '78+6=84'] Exploring Operation: 83*84=6972, Resulting Numbers: [6972] 6972,53 unequal: No Solution Exploring Operation: 83+84=167, Resulting Numbers: [167] 167,53 unequal: No Solution Exploring Operation: 84-83=1, Resulting Numbers: [1] 1,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 53:[78, 89], Operations: ['89-83=6', '83+6=89'] Exploring Operation: 78*89=6942, Resulting Numbers: [6942] 6942,53 unequal: No Solution Exploring Operation: 89-78=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 78+89=167, Resulting Numbers: [167] 167,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[83, 83, 11], Operations: ['89-78=11'] Exploring Operation: 83+11=94, Resulting Numbers: [83, 94] Generated Node #0,1,0: 53:[83, 94] Operation: 83+11=94 Exploring Operation: 83+11=94, Resulting Numbers: [83, 94] Generated Node #0,1,1: 53:[83, 94] Operation: 83+11=94 Exploring Operation: 83-11=72, Resulting Numbers: [83, 72] Generated Node #0,1,2: 53:[83, 72] Operation: 83-11=72 Exploring Operation: 83-11=72, Resulting Numbers: [83, 72] Generated Node #0,1,3: 53:[83, 72] Operation: 83-11=72 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 53:[83, 72], Operations: ['89-78=11', '83-11=72'] Exploring Operation: 83+72=155, Resulting Numbers: [155] 155,53 unequal: No Solution Exploring Operation: 83-72=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 83*72=5976, Resulting Numbers: [5976] 5976,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 53:[83, 72], Operations: ['89-78=11', '83-11=72'] Exploring Operation: 83-72=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 83*72=5976, Resulting Numbers: [5976] 5976,53 unequal: No Solution Exploring Operation: 83+72=155, Resulting Numbers: [155] 155,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[83, 94], Operations: ['89-78=11', '83+11=94'] Exploring Operation: 94-83=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 83*94=7802, Resulting Numbers: [7802] 7802,53 unequal: No Solution Exploring Operation: 83+94=177, Resulting Numbers: [177] 177,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 53:[83, 94], Operations: ['89-78=11', '83+11=94'] Exploring Operation: 83*94=7802, Resulting Numbers: [7802] 7802,53 unequal: No Solution Exploring Operation: 83+94=177, Resulting Numbers: [177] 177,53 unequal: No Solution Exploring Operation: 94-83=11, Resulting Numbers: [11] 11,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 53:[83, 78, 6], Operations: ['89-83=6'] Exploring Operation: 78-6=72, Resulting Numbers: [83, 72] Generated Node #0,2,0: 53:[83, 72] Operation: 78-6=72 Exploring Operation: 83+6=89, Resulting Numbers: [78, 89] Generated Node #0,2,1: 53:[78, 89] Operation: 83+6=89 Exploring Operation: 78+6=84, Resulting Numbers: [83, 84] Generated Node #0,2,2: 53:[83, 84] Operation: 78+6=84 Exploring Operation: 83-6=77, Resulting Numbers: [78, 77] Generated Node #0,2,3: 53:[78, 77] Operation: 83-6=77 Moving to Node #0,2,0 Current State: 53:[83, 72], Operations: ['89-83=6', '78-6=72'] Exploring Operation: 83*72=5976, Resulting Numbers: [5976] 5976,53 unequal: No Solution Exploring Operation: 83+72=155, Resulting Numbers: [155] 155,53 unequal: No Solution Exploring Operation: 83-72=11, Resulting Numbers: [11] 11,53 unequal: No Solution Moving to Node #0,2,3 Current State: 53:[78, 77], Operations: ['89-83=6', '83-6=77'] Exploring Operation: 78*77=6006, Resulting Numbers: [6006] 6006,53 unequal: No Solution Exploring Operation: 78+77=155, Resulting Numbers: [155] 155,53 unequal: No Solution Exploring Operation: 78-77=1, Resulting Numbers: [1] 1,53 unequal: No Solution Moving to Node #0,2,2 Current State: 53:[83, 84], Operations: ['89-83=6', '78+6=84'] Exploring Operation: 83+84=167, Resulting Numbers: [167] 167,53 unequal: No Solution Exploring Operation: 84-83=1, Resulting Numbers: [1] 1,53 unequal: No Solution Exploring Operation: 83*84=6972, Resulting Numbers: [6972] 6972,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[78, 89], Operations: ['89-83=6', '83+6=89'] Exploring Operation: 78*89=6942, Resulting Numbers: [6942] 6942,53 unequal: No Solution Exploring Operation: 78+89=167, Resulting Numbers: [167] 167,53 unequal: No Solution Exploring Operation: 89-78=11, Resulting Numbers: [11] 11,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 53:[78, 89, 1], Operations: ['83/83=1'] Exploring Operation: 89-1=88, Resulting Numbers: [78, 88] Generated Node #0,3,0: 53:[78, 88] Operation: 89-1=88 Exploring Operation: 78/1=78, Resulting Numbers: [89, 78] Generated Node #0,3,1: 53:[89, 78] Operation: 78/1=78 Exploring Operation: 78-1=77, Resulting Numbers: [89, 77] Generated Node #0,3,2: 53:[89, 77] Operation: 78-1=77 Exploring Operation: 78*1=78, Resulting Numbers: [89, 78] Generated Node #0,3,3: 53:[89, 78] Operation: 78*1=78 Moving to Node #0,3,0 Current State: 53:[78, 88], Operations: ['83/83=1', '89-1=88'] Exploring Operation: 88-78=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 78+88=166, Resulting Numbers: [166] 166,53 unequal: No Solution Exploring Operation: 78*88=6864, Resulting Numbers: [6864] 6864,53 unequal: No Solution Moving to Node #0,3,2 Current State: 53:[89, 77], Operations: ['83/83=1', '78-1=77'] Exploring Operation: 89+77=166, Resulting Numbers: [166] 166,53 unequal: No Solution Exploring Operation: 89-77=12, Resulting Numbers: [12] 12,53 unequal: No Solution Exploring Operation: 89*77=6853, Resulting Numbers: [6853] 6853,53 unequal: No Solution Moving to Node #0,3,3 Current State: 53:[89, 78], Operations: ['83/83=1', '78*1=78'] Exploring Operation: 89-78=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 89*78=6942, Resulting Numbers: [6942] 6942,53 unequal: No Solution Exploring Operation: 89+78=167, Resulting Numbers: [167] 167,53 unequal: No Solution Moving to Node #0,3,1 Current State: 53:[89, 78], Operations: ['83/83=1', '78/1=78'] Exploring Operation: 89*78=6942, Resulting Numbers: [6942] 6942,53 unequal: No Solution Exploring Operation: 89-78=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 89+78=167, Resulting Numbers: [167] 167,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 4, 57, 3, 46 ]
10
[ "57-4=53", "46-3=43", "53-43=10" ]
Current State: 10:[4, 57, 3, 46], Operations: [] Exploring Operation: 57-4=53, Resulting Numbers: [3, 46, 53] Generated Node #2: [3, 46, 53] from Operation: 57-4=53 Current State: 10:[3, 46, 53], Operations: ['57-4=53'] Exploring Operation: 46-3=43, Resulting Numbers: [53, 43] Generated Node #3: [53, 43] from Operation: 46-3=43 Current State: 10:[53, 43], Operations: ['57-4=53', '46-3=43'] Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[4, 57, 3, 46], Operations: [] Exploring Operation: 57-46=11, Resulting Numbers: [4, 3, 11] Generated Node #0,0: 10:[4, 3, 11] Operation: 57-46=11 Exploring Operation: 57/3=19, Resulting Numbers: [4, 46, 19] Generated Node #0,1: 10:[4, 46, 19] Operation: 57/3=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[4, 3, 11], Operations: ['57-46=11'] Exploring Operation: 4-3=1, Resulting Numbers: [11, 1] Generated Node #0,0,0: 10:[11, 1] Operation: 4-3=1 Exploring Operation: 4+3=7, Resulting Numbers: [11, 7] Generated Node #0,0,1: 10:[11, 7] Operation: 4+3=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 10:[11, 1], Operations: ['57-46=11', '4-3=1'] Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[4, 57, 3, 46], Operations: [] Exploring Operation: 57-46=11, Resulting Numbers: [4, 3, 11] Generated Node #0,0: 10:[4, 3, 11] Operation: 57-46=11 Moving to Node #0,0 Current State: 10:[4, 3, 11], Operations: ['57-46=11'] Exploring Operation: 4-3=1, Resulting Numbers: [11, 1] Generated Node #0,0,0: 10:[11, 1] Operation: 4-3=1 Moving to Node #0,0,0 Current State: 10:[11, 1], Operations: ['57-46=11', '4-3=1'] Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 26, 84, 19, 92 ]
53
[ "84-26=58", "19+92=111", "111-58=53" ]
Current State: 53:[26, 84, 19, 92], Operations: [] Exploring Operation: 84-26=58, Resulting Numbers: [19, 92, 58] Generated Node #2: [19, 92, 58] from Operation: 84-26=58 Current State: 53:[19, 92, 58], Operations: ['84-26=58'] Exploring Operation: 19+92=111, Resulting Numbers: [58, 111] Generated Node #3: [58, 111] from Operation: 19+92=111 Current State: 53:[58, 111], Operations: ['84-26=58', '19+92=111'] Exploring Operation: 111-58=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[26, 84, 19, 92], Operations: [] Exploring Operation: 92-26=66, Resulting Numbers: [84, 19, 66] Generated Node #0,0: 53:[84, 19, 66] Operation: 92-26=66 Exploring Operation: 92-19=73, Resulting Numbers: [26, 84, 73] Generated Node #0,1: 53:[26, 84, 73] Operation: 92-19=73 Exploring Operation: 84-19=65, Resulting Numbers: [26, 92, 65] Generated Node #0,2: 53:[26, 92, 65] Operation: 84-19=65 Exploring Operation: 84-26=58, Resulting Numbers: [19, 92, 58] Generated Node #0,3: 53:[19, 92, 58] Operation: 84-26=58 Exploring Operation: 26+19=45, Resulting Numbers: [84, 92, 45] Generated Node #0,4: 53:[84, 92, 45] Operation: 26+19=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[84, 19, 66], Operations: ['92-26=66'] Exploring Operation: 84-66=18, Resulting Numbers: [19, 18] Generated Node #0,0,0: 53:[19, 18] Operation: 84-66=18 Exploring Operation: 84-19=65, Resulting Numbers: [66, 65] Generated Node #0,0,1: 53:[66, 65] Operation: 84-19=65 Exploring Operation: 66-19=47, Resulting Numbers: [84, 47] Generated Node #0,0,2: 53:[84, 47] Operation: 66-19=47 Exploring Operation: 84+19=103, Resulting Numbers: [66, 103] Generated Node #0,0,3: 53:[66, 103] Operation: 84+19=103 Exploring Operation: 19+66=85, Resulting Numbers: [84, 85] Generated Node #0,0,4: 53:[84, 85] Operation: 19+66=85 Moving to Node #0,0,1 Current State: 53:[66, 65], Operations: ['92-26=66', '84-19=65'] Exploring Operation: 66*65=4290, Resulting Numbers: [4290] 4290,53 unequal: No Solution Exploring Operation: 66-65=1, Resulting Numbers: [1] 1,53 unequal: No Solution Exploring Operation: 66+65=131, Resulting Numbers: [131] 131,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[84, 47], Operations: ['92-26=66', '66-19=47'] Exploring Operation: 84*47=3948, Resulting Numbers: [3948] 3948,53 unequal: No Solution Exploring Operation: 84-47=37, Resulting Numbers: [37] 37,53 unequal: No Solution Exploring Operation: 84+47=131, Resulting Numbers: [131] 131,53 unequal: No Solution Moving to Node #0,0,3 Current State: 53:[66, 103], Operations: ['92-26=66', '84+19=103'] Exploring Operation: 103-66=37, Resulting Numbers: [37] 37,53 unequal: No Solution Exploring Operation: 66+103=169, Resulting Numbers: [169] 169,53 unequal: No Solution Exploring Operation: 66*103=6798, Resulting Numbers: [6798] 6798,53 unequal: No Solution Moving to Node #0,0,4 Current State: 53:[84, 85], Operations: ['92-26=66', '19+66=85'] Exploring Operation: 85-84=1, Resulting Numbers: [1] 1,53 unequal: No Solution Exploring Operation: 84+85=169, Resulting Numbers: [169] 169,53 unequal: No Solution Exploring Operation: 84*85=7140, Resulting Numbers: [7140] 7140,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[19, 18], Operations: ['92-26=66', '84-66=18'] Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,53 unequal: No Solution Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,53 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[26, 84, 73], Operations: ['92-19=73'] Exploring Operation: 73-26=47, Resulting Numbers: [84, 47] Generated Node #0,1,0: 53:[84, 47] Operation: 73-26=47 Exploring Operation: 26+84=110, Resulting Numbers: [73, 110] Generated Node #0,1,1: 53:[73, 110] Operation: 26+84=110 Exploring Operation: 84-26=58, Resulting Numbers: [73, 58] Generated Node #0,1,2: 53:[73, 58] Operation: 84-26=58 Exploring Operation: 84-73=11, Resulting Numbers: [26, 11] Generated Node #0,1,3: 53:[26, 11] Operation: 84-73=11 Exploring Operation: 26+73=99, Resulting Numbers: [84, 99] Generated Node #0,1,4: 53:[84, 99] Operation: 26+73=99 Moving to Node #0,1,2 Current State: 53:[73, 58], Operations: ['92-19=73', '84-26=58'] Exploring Operation: 73*58=4234, Resulting Numbers: [4234] 4234,53 unequal: No Solution Exploring Operation: 73+58=131, Resulting Numbers: [131] 131,53 unequal: No Solution Exploring Operation: 73-58=15, Resulting Numbers: [15] 15,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[84, 47], Operations: ['92-19=73', '73-26=47'] Exploring Operation: 84+47=131, Resulting Numbers: [131] 131,53 unequal: No Solution Exploring Operation: 84-47=37, Resulting Numbers: [37] 37,53 unequal: No Solution Exploring Operation: 84*47=3948, Resulting Numbers: [3948] 3948,53 unequal: No Solution Moving to Node #0,1,3 Current State: 53:[26, 11], Operations: ['92-19=73', '84-73=11'] Exploring Operation: 26+11=37, Resulting Numbers: [37] 37,53 unequal: No Solution Exploring Operation: 26*11=286, Resulting Numbers: [286] 286,53 unequal: No Solution Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[73, 110], Operations: ['92-19=73', '26+84=110'] Exploring Operation: 73*110=8030, Resulting Numbers: [8030] 8030,53 unequal: No Solution Exploring Operation: 73+110=183, Resulting Numbers: [183] 183,53 unequal: No Solution Exploring Operation: 110-73=37, Resulting Numbers: [37] 37,53 unequal: No Solution Moving to Node #0,1,4 Current State: 53:[84, 99], Operations: ['92-19=73', '26+73=99'] Exploring Operation: 84*99=8316, Resulting Numbers: [8316] 8316,53 unequal: No Solution Exploring Operation: 84+99=183, Resulting Numbers: [183] 183,53 unequal: No Solution Exploring Operation: 99-84=15, Resulting Numbers: [15] 15,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 53:[26, 92, 65], Operations: ['84-19=65'] Exploring Operation: 65-26=39, Resulting Numbers: [92, 39] Generated Node #0,2,0: 53:[92, 39] Operation: 65-26=39 Exploring Operation: 92-65=27, Resulting Numbers: [26, 27] Generated Node #0,2,1: 53:[26, 27] Operation: 92-65=27 Exploring Operation: 92-26=66, Resulting Numbers: [65, 66] Generated Node #0,2,2: 53:[65, 66] Operation: 92-26=66 Exploring Operation: 26+92=118, Resulting Numbers: [65, 118] Generated Node #0,2,3: 53:[65, 118] Operation: 26+92=118 Exploring Operation: 26+65=91, Resulting Numbers: [92, 91] Generated Node #0,2,4: 53:[92, 91] Operation: 26+65=91 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 53:[65, 66], Operations: ['84-19=65', '92-26=66'] Exploring Operation: 65+66=131, Resulting Numbers: [131] 131,53 unequal: No Solution Exploring Operation: 66-65=1, Resulting Numbers: [1] 1,53 unequal: No Solution Exploring Operation: 65*66=4290, Resulting Numbers: [4290] 4290,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 53:[92, 39], Operations: ['84-19=65', '65-26=39'] Exploring Operation: 92*39=3588, Resulting Numbers: [3588] 3588,53 unequal: No Solution Exploring Operation: 92+39=131, Resulting Numbers: [131] 131,53 unequal: No Solution Exploring Operation: 92-39=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[26, 84, 19, 92], Operations: [] Exploring Operation: 84-19=65, Resulting Numbers: [26, 92, 65] Generated Node #0,2: 53:[26, 92, 65] Operation: 84-19=65 Moving to Node #0,2 Current State: 53:[26, 92, 65], Operations: ['84-19=65'] Exploring Operation: 65-26=39, Resulting Numbers: [92, 39] Generated Node #0,2,0: 53:[92, 39] Operation: 65-26=39 Moving to Node #0,2,0 Current State: 53:[92, 39], Operations: ['84-19=65', '65-26=39'] Exploring Operation: 92-39=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.947917
hs_5
sum_heuristic
[ 40, 69, 9, 90 ]
65
[ "40*9=360", "360/90=4", "69-4=65" ]
Current State: 65:[40, 69, 9, 90], Operations: [] Exploring Operation: 40*9=360, Resulting Numbers: [69, 90, 360] Generated Node #2: [69, 90, 360] from Operation: 40*9=360 Current State: 65:[69, 90, 360], Operations: ['40*9=360'] Exploring Operation: 360/90=4, Resulting Numbers: [69, 4] Generated Node #3: [69, 4] from Operation: 360/90=4 Current State: 65:[69, 4], Operations: ['40*9=360', '360/90=4'] Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[40, 69, 9, 90], Operations: [] Exploring Operation: 69-40=29, Resulting Numbers: [9, 90, 29] Generated Node #0,0: 65:[9, 90, 29] Operation: 69-40=29 Exploring Operation: 90/9=10, Resulting Numbers: [40, 69, 10] Generated Node #0,1: 65:[40, 69, 10] Operation: 90/9=10 Exploring Operation: 90-69=21, Resulting Numbers: [40, 9, 21] Generated Node #0,2: 65:[40, 9, 21] Operation: 90-69=21 Exploring Operation: 90-40=50, Resulting Numbers: [69, 9, 50] Generated Node #0,3: 65:[69, 9, 50] Operation: 90-40=50 Moving to Node #0,3 Current State: 65:[69, 9, 50], Operations: ['90-40=50'] Exploring Operation: 69+9=78, Resulting Numbers: [50, 78] Generated Node #0,3,0: 65:[50, 78] Operation: 69+9=78 Exploring Operation: 69-9=60, Resulting Numbers: [50, 60] Generated Node #0,3,1: 65:[50, 60] Operation: 69-9=60 Exploring Operation: 9+50=59, Resulting Numbers: [69, 59] Generated Node #0,3,2: 65:[69, 59] Operation: 9+50=59 Exploring Operation: 69-50=19, Resulting Numbers: [9, 19] Generated Node #0,3,3: 65:[9, 19] Operation: 69-50=19 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 65:[69, 59], Operations: ['90-40=50', '9+50=59'] Exploring Operation: 69+59=128, Resulting Numbers: [128] 128,65 unequal: No Solution Exploring Operation: 69-59=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 69*59=4071, Resulting Numbers: [4071] 4071,65 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:[9, 19], Operations: ['90-40=50', '69-50=19'] Exploring Operation: 9*19=171, Resulting Numbers: [171] 171,65 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,65 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:[50, 60], Operations: ['90-40=50', '69-9=60'] Exploring Operation: 50+60=110, Resulting Numbers: [110] 110,65 unequal: No Solution Exploring Operation: 50*60=3000, Resulting Numbers: [3000] 3000,65 unequal: No Solution Exploring Operation: 60-50=10, Resulting Numbers: [10] 10,65 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 #0,3,0 Current State: 65:[50, 78], Operations: ['90-40=50', '69+9=78'] Exploring Operation: 78-50=28, Resulting Numbers: [28] 28,65 unequal: No Solution Exploring Operation: 50+78=128, Resulting Numbers: [128] 128,65 unequal: No Solution Exploring Operation: 50*78=3900, Resulting Numbers: [3900] 3900,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 65:[40, 69, 10], Operations: ['90/9=10'] Exploring Operation: 69-40=29, Resulting Numbers: [10, 29] Generated Node #0,1,0: 65:[10, 29] Operation: 69-40=29 Exploring Operation: 40-10=30, Resulting Numbers: [69, 30] Generated Node #0,1,1: 65:[69, 30] Operation: 40-10=30 Exploring Operation: 40+10=50, Resulting Numbers: [69, 50] Generated Node #0,1,2: 65:[69, 50] Operation: 40+10=50 Exploring Operation: 40/10=4, Resulting Numbers: [69, 4] Generated Node #0,1,3: 65:[69, 4] Operation: 40/10=4 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 65:[69, 4], Operations: ['90/9=10', '40/10=4'] Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[40, 69, 9, 90], Operations: [] Exploring Operation: 90/9=10, Resulting Numbers: [40, 69, 10] Generated Node #0,1: 65:[40, 69, 10] Operation: 90/9=10 Moving to Node #0,1 Current State: 65:[40, 69, 10], Operations: ['90/9=10'] Exploring Operation: 40/10=4, Resulting Numbers: [69, 4] Generated Node #0,1,3: 65:[69, 4] Operation: 40/10=4 Moving to Node #0,1,3 Current State: 65:[69, 4], Operations: ['90/9=10', '40/10=4'] Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_4
sum_heuristic
[ 47, 23, 34, 34 ]
71
[ "47+23=70", "34/34=1", "70+1=71" ]
Current State: 71:[47, 23, 34, 34], Operations: [] Exploring Operation: 47+23=70, Resulting Numbers: [34, 34, 70] Generated Node #2: [34, 34, 70] from Operation: 47+23=70 Current State: 71:[34, 34, 70], Operations: ['47+23=70'] Exploring Operation: 34/34=1, Resulting Numbers: [70, 1] Generated Node #3: [70, 1] from Operation: 34/34=1 Current State: 71:[70, 1], Operations: ['47+23=70', '34/34=1'] Exploring Operation: 70+1=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[47, 23, 34, 34], Operations: [] Exploring Operation: 23+34=57, Resulting Numbers: [47, 34, 57] Generated Node #0,0: 71:[47, 34, 57] Operation: 23+34=57 Exploring Operation: 47+23=70, Resulting Numbers: [34, 34, 70] Generated Node #0,1: 71:[34, 34, 70] Operation: 47+23=70 Moving to Node #0,0 Current State: 71:[47, 34, 57], Operations: ['23+34=57'] Exploring Operation: 34+57=91, Resulting Numbers: [47, 91] Generated Node #0,0,0: 71:[47, 91] Operation: 34+57=91 Exploring Operation: 47+34=81, Resulting Numbers: [57, 81] Generated Node #0,0,1: 71:[57, 81] Operation: 47+34=81 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[57, 81], Operations: ['23+34=57', '47+34=81'] Exploring Operation: 81-57=24, Resulting Numbers: [24] 24,71 unequal: No Solution Exploring Operation: 57+81=138, Resulting Numbers: [138] 138,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[47, 91], Operations: ['23+34=57', '34+57=91'] Exploring Operation: 91-47=44, Resulting Numbers: [44] 44,71 unequal: No Solution Exploring Operation: 47+91=138, Resulting Numbers: [138] 138,71 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: 71:[34, 34, 70], Operations: ['47+23=70'] Exploring Operation: 34+34=68, Resulting Numbers: [70, 68] Generated Node #0,1,0: 71:[70, 68] Operation: 34+34=68 Exploring Operation: 34+70=104, Resulting Numbers: [34, 104] Generated Node #0,1,1: 71:[34, 104] Operation: 34+70=104 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[70, 68], Operations: ['47+23=70', '34+34=68'] Exploring Operation: 70-68=2, Resulting Numbers: [2] 2,71 unequal: No Solution Exploring Operation: 70+68=138, Resulting Numbers: [138] 138,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[34, 104], Operations: ['47+23=70', '34+70=104'] Exploring Operation: 34+104=138, Resulting Numbers: [138] 138,71 unequal: No Solution Exploring Operation: 104-34=70, Resulting Numbers: [70] 70,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 96, 95, 37, 35 ]
94
[ "37-35=2", "95*2=190", "190-96=94" ]
Current State: 94:[96, 95, 37, 35], Operations: [] Exploring Operation: 37-35=2, Resulting Numbers: [96, 95, 2] Generated Node #2: [96, 95, 2] from Operation: 37-35=2 Current State: 94:[96, 95, 2], Operations: ['37-35=2'] Exploring Operation: 95*2=190, Resulting Numbers: [96, 190] Generated Node #3: [96, 190] from Operation: 95*2=190 Current State: 94:[96, 190], Operations: ['37-35=2', '95*2=190'] Exploring Operation: 190-96=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[96, 95, 37, 35], Operations: [] Exploring Operation: 37-35=2, Resulting Numbers: [96, 95, 2] Generated Node #0,0: 94:[96, 95, 2] Operation: 37-35=2 Moving to Node #0,0 Current State: 94:[96, 95, 2], Operations: ['37-35=2'] Exploring Operation: 96-95=1, Resulting Numbers: [2, 1] Generated Node #0,0,0: 94:[2, 1] Operation: 96-95=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[2, 1], Operations: ['37-35=2', '96-95=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 75, 88, 29, 16 ]
58
[ "88-75=13", "29+16=45", "13+45=58" ]
Current State: 58:[75, 88, 29, 16], Operations: [] Exploring Operation: 88-75=13, Resulting Numbers: [29, 16, 13] Generated Node #2: [29, 16, 13] from Operation: 88-75=13 Current State: 58:[29, 16, 13], Operations: ['88-75=13'] Exploring Operation: 29+16=45, Resulting Numbers: [13, 45] Generated Node #3: [13, 45] from Operation: 29+16=45 Current State: 58:[13, 45], Operations: ['88-75=13', '29+16=45'] Exploring Operation: 13+45=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[75, 88, 29, 16], Operations: [] Exploring Operation: 88-75=13, Resulting Numbers: [29, 16, 13] Generated Node #0,0: 58:[29, 16, 13] Operation: 88-75=13 Moving to Node #0,0 Current State: 58:[29, 16, 13], Operations: ['88-75=13'] Exploring Operation: 16+13=29, Resulting Numbers: [29, 29] Generated Node #0,0,0: 58:[29, 29] Operation: 16+13=29 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[29, 29], Operations: ['88-75=13', '16+13=29'] Exploring Operation: 29+29=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[75, 88, 29, 16], Operations: [] Exploring Operation: 88-75=13, Resulting Numbers: [29, 16, 13] Generated Node #0,0: 58:[29, 16, 13] Operation: 88-75=13 Moving to Node #0,0 Current State: 58:[29, 16, 13], Operations: ['88-75=13'] Exploring Operation: 16+13=29, Resulting Numbers: [29, 29] Generated Node #0,0,0: 58:[29, 29] Operation: 16+13=29 Moving to Node #0,0,0 Current State: 58:[29, 29], Operations: ['88-75=13', '16+13=29'] Exploring Operation: 29+29=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 1, 83, 43, 9 ]
14
[ "1*83=83", "43+83=126", "126/9=14" ]
Current State: 14:[1, 83, 43, 9], Operations: [] Exploring Operation: 1*83=83, Resulting Numbers: [43, 9, 83] Generated Node #2: [43, 9, 83] from Operation: 1*83=83 Current State: 14:[43, 9, 83], Operations: ['1*83=83'] Exploring Operation: 43+83=126, Resulting Numbers: [9, 126] Generated Node #3: [9, 126] from Operation: 43+83=126 Current State: 14:[9, 126], Operations: ['1*83=83', '43+83=126'] Exploring Operation: 126/9=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[1, 83, 43, 9], Operations: [] Exploring Operation: 83-43=40, Resulting Numbers: [1, 9, 40] Generated Node #0,0: 14:[1, 9, 40] Operation: 83-43=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[1, 9, 40], Operations: ['83-43=40'] Exploring Operation: 40-9=31, Resulting Numbers: [1, 31] Generated Node #0,0,0: 14:[1, 31] Operation: 40-9=31 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 14:[1, 31], Operations: ['83-43=40', '40-9=31'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,14 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
[ 13, 17, 93, 31 ]
92
[ "13+17=30", "93-31=62", "30+62=92" ]
Current State: 92:[13, 17, 93, 31], Operations: [] Exploring Operation: 13+17=30, Resulting Numbers: [93, 31, 30] Generated Node #2: [93, 31, 30] from Operation: 13+17=30 Current State: 92:[93, 31, 30], Operations: ['13+17=30'] Exploring Operation: 93-31=62, Resulting Numbers: [30, 62] Generated Node #3: [30, 62] from Operation: 93-31=62 Current State: 92:[30, 62], Operations: ['13+17=30', '93-31=62'] Exploring Operation: 30+62=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[13, 17, 93, 31], Operations: [] Exploring Operation: 31-13=18, Resulting Numbers: [17, 93, 18] Generated Node #0,0: 92:[17, 93, 18] Operation: 31-13=18 Exploring Operation: 17-13=4, Resulting Numbers: [93, 31, 4] Generated Node #0,1: 92:[93, 31, 4] Operation: 17-13=4 Exploring Operation: 13+31=44, Resulting Numbers: [17, 93, 44] Generated Node #0,2: 92:[17, 93, 44] Operation: 13+31=44 Exploring Operation: 17+31=48, Resulting Numbers: [13, 93, 48] Generated Node #0,3: 92:[13, 93, 48] Operation: 17+31=48 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[93, 31, 4], Operations: ['17-13=4'] Exploring Operation: 31-4=27, Resulting Numbers: [93, 27] Generated Node #0,1,0: 92:[93, 27] Operation: 31-4=27 Exploring Operation: 93/31=3, Resulting Numbers: [4, 3] Generated Node #0,1,1: 92:[4, 3] Operation: 93/31=3 Exploring Operation: 31+4=35, Resulting Numbers: [93, 35] Generated Node #0,1,2: 92:[93, 35] Operation: 31+4=35 Exploring Operation: 93-4=89, Resulting Numbers: [31, 89] Generated Node #0,1,3: 92:[31, 89] Operation: 93-4=89 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 92:[4, 3], Operations: ['17-13=4', '93/31=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,92 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,92 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,92 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:[93, 27], Operations: ['17-13=4', '31-4=27'] Exploring Operation: 93-27=66, Resulting Numbers: [66] 66,92 unequal: No Solution Exploring Operation: 93*27=2511, Resulting Numbers: [2511] 2511,92 unequal: No Solution Exploring Operation: 93+27=120, Resulting Numbers: [120] 120,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 92:[31, 89], Operations: ['17-13=4', '93-4=89'] Exploring Operation: 31+89=120, Resulting Numbers: [120] 120,92 unequal: No Solution Exploring Operation: 31*89=2759, Resulting Numbers: [2759] 2759,92 unequal: No Solution Exploring Operation: 89-31=58, Resulting Numbers: [58] 58,92 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:[93, 35], Operations: ['17-13=4', '31+4=35'] Exploring Operation: 93-35=58, Resulting Numbers: [58] 58,92 unequal: No Solution Exploring Operation: 93+35=128, Resulting Numbers: [128] 128,92 unequal: No Solution Exploring Operation: 93*35=3255, Resulting Numbers: [3255] 3255,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[17, 93, 44], Operations: ['13+31=44'] Exploring Operation: 17+44=61, Resulting Numbers: [93, 61] Generated Node #0,2,0: 92:[93, 61] Operation: 17+44=61 Exploring Operation: 93-17=76, Resulting Numbers: [44, 76] Generated Node #0,2,1: 92:[44, 76] Operation: 93-17=76 Exploring Operation: 44-17=27, Resulting Numbers: [93, 27] Generated Node #0,2,2: 92:[93, 27] Operation: 44-17=27 Exploring Operation: 93-44=49, Resulting Numbers: [17, 49] Generated Node #0,2,3: 92:[17, 49] Operation: 93-44=49 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 92:[93, 27], Operations: ['13+31=44', '44-17=27'] Exploring Operation: 93-27=66, Resulting Numbers: [66] 66,92 unequal: No Solution Exploring Operation: 93+27=120, Resulting Numbers: [120] 120,92 unequal: No Solution Exploring Operation: 93*27=2511, Resulting Numbers: [2511] 2511,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 92:[17, 49], Operations: ['13+31=44', '93-44=49'] Exploring Operation: 17+49=66, Resulting Numbers: [66] 66,92 unequal: No Solution Exploring Operation: 49-17=32, Resulting Numbers: [32] 32,92 unequal: No Solution Exploring Operation: 17*49=833, Resulting Numbers: [833] 833,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 92:[93, 61], Operations: ['13+31=44', '17+44=61'] Exploring Operation: 93+61=154, Resulting Numbers: [154] 154,92 unequal: No Solution Exploring Operation: 93*61=5673, Resulting Numbers: [5673] 5673,92 unequal: No Solution Exploring Operation: 93-61=32, Resulting Numbers: [32] 32,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 92:[44, 76], Operations: ['13+31=44', '93-17=76'] Exploring Operation: 44+76=120, Resulting Numbers: [120] 120,92 unequal: No Solution Exploring Operation: 44*76=3344, Resulting Numbers: [3344] 3344,92 unequal: No Solution Exploring Operation: 76-44=32, Resulting Numbers: [32] 32,92 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:[17, 93, 18], Operations: ['31-13=18'] Exploring Operation: 93-17=76, Resulting Numbers: [18, 76] Generated Node #0,0,0: 92:[18, 76] Operation: 93-17=76 Exploring Operation: 17+18=35, Resulting Numbers: [93, 35] Generated Node #0,0,1: 92:[93, 35] Operation: 17+18=35 Exploring Operation: 17+93=110, Resulting Numbers: [18, 110] Generated Node #0,0,2: 92:[18, 110] Operation: 17+93=110 Exploring Operation: 18-17=1, Resulting Numbers: [93, 1] Generated Node #0,0,3: 92:[93, 1] Operation: 18-17=1 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 92:[93, 1], Operations: ['31-13=18', '18-17=1'] Exploring Operation: 93*1=93, Resulting Numbers: [93] 93,92 unequal: No Solution Exploring Operation: 93+1=94, Resulting Numbers: [94] 94,92 unequal: No Solution Exploring Operation: 93/1=93, Resulting Numbers: [93] 93,92 unequal: No Solution Exploring Operation: 93-1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[13, 17, 93, 31], Operations: [] Exploring Operation: 31-13=18, Resulting Numbers: [17, 93, 18] Generated Node #0,0: 92:[17, 93, 18] Operation: 31-13=18 Moving to Node #0,0 Current State: 92:[17, 93, 18], Operations: ['31-13=18'] Exploring Operation: 18-17=1, Resulting Numbers: [93, 1] Generated Node #0,0,3: 92:[93, 1] Operation: 18-17=1 Moving to Node #0,0,3 Current State: 92:[93, 1], Operations: ['31-13=18', '18-17=1'] Exploring Operation: 93-1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.958333
hs_4
mult_heuristic
[ 10, 6, 2, 33 ]
39
[ "10-6=4", "2+33=35", "4+35=39" ]
Current State: 39:[10, 6, 2, 33], Operations: [] Exploring Operation: 10-6=4, Resulting Numbers: [2, 33, 4] Generated Node #2: [2, 33, 4] from Operation: 10-6=4 Current State: 39:[2, 33, 4], Operations: ['10-6=4'] Exploring Operation: 2+33=35, Resulting Numbers: [4, 35] Generated Node #3: [4, 35] from Operation: 2+33=35 Current State: 39:[4, 35], Operations: ['10-6=4', '2+33=35'] Exploring Operation: 4+35=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[10, 6, 2, 33], Operations: [] Exploring Operation: 10-6=4, Resulting Numbers: [2, 33, 4] Generated Node #0,0: 39:[2, 33, 4] Operation: 10-6=4 Exploring Operation: 6+33=39, Resulting Numbers: [10, 2, 39] Generated Node #0,1: 39:[10, 2, 39] Operation: 6+33=39 Moving to Node #0,1 Current State: 39:[10, 2, 39], Operations: ['6+33=39'] Exploring Operation: 10/2=5, Resulting Numbers: [39, 5] Generated Node #0,1,0: 39:[39, 5] Operation: 10/2=5 Exploring Operation: 10+2=12, Resulting Numbers: [39, 12] Generated Node #0,1,1: 39:[39, 12] Operation: 10+2=12 Moving to Node #0,0 Current State: 39:[2, 33, 4], Operations: ['10-6=4'] Exploring Operation: 2+33=35, Resulting Numbers: [4, 35] Generated Node #0,0,0: 39:[4, 35] Operation: 2+33=35 Exploring Operation: 33+4=37, Resulting Numbers: [2, 37] Generated Node #0,0,1: 39:[2, 37] Operation: 33+4=37 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 39:[2, 37], Operations: ['10-6=4', '33+4=37'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,39 unequal: No Solution Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[10, 6, 2, 33], Operations: [] Exploring Operation: 10-6=4, Resulting Numbers: [2, 33, 4] Generated Node #0,0: 39:[2, 33, 4] Operation: 10-6=4 Moving to Node #0,0 Current State: 39:[2, 33, 4], Operations: ['10-6=4'] Exploring Operation: 33+4=37, Resulting Numbers: [2, 37] Generated Node #0,0,1: 39:[2, 37] Operation: 33+4=37 Moving to Node #0,0,1 Current State: 39:[2, 37], Operations: ['10-6=4', '33+4=37'] Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 80, 53, 57, 93 ]
59
[ "93-53=40", "80/40=2", "57+2=59" ]
Current State: 59:[80, 53, 57, 93], Operations: [] Exploring Operation: 93-53=40, Resulting Numbers: [80, 57, 40] Generated Node #2: [80, 57, 40] from Operation: 93-53=40 Current State: 59:[80, 57, 40], Operations: ['93-53=40'] Exploring Operation: 80/40=2, Resulting Numbers: [57, 2] Generated Node #3: [57, 2] from Operation: 80/40=2 Current State: 59:[57, 2], Operations: ['93-53=40', '80/40=2'] Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[80, 53, 57, 93], Operations: [] Exploring Operation: 93-53=40, Resulting Numbers: [80, 57, 40] Generated Node #0,0: 59:[80, 57, 40] Operation: 93-53=40 Exploring Operation: 93-57=36, Resulting Numbers: [80, 53, 36] Generated Node #0,1: 59:[80, 53, 36] Operation: 93-57=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[80, 57, 40], Operations: ['93-53=40'] Exploring Operation: 80-40=40, Resulting Numbers: [57, 40] Generated Node #0,0,0: 59:[57, 40] Operation: 80-40=40 Exploring Operation: 80-57=23, Resulting Numbers: [40, 23] Generated Node #0,0,1: 59:[40, 23] Operation: 80-57=23 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 59:[57, 40], Operations: ['93-53=40', '80-40=40'] Exploring Operation: 57-40=17, Resulting Numbers: [17] 17,59 unequal: No Solution Exploring Operation: 57+40=97, Resulting Numbers: [97] 97,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 59:[40, 23], Operations: ['93-53=40', '80-57=23'] Exploring Operation: 40+23=63, Resulting Numbers: [63] 63,59 unequal: No Solution Exploring Operation: 40-23=17, Resulting Numbers: [17] 17,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[80, 53, 36], Operations: ['93-57=36'] Exploring Operation: 80-36=44, Resulting Numbers: [53, 44] Generated Node #0,1,0: 59:[53, 44] Operation: 80-36=44 Exploring Operation: 53+36=89, Resulting Numbers: [80, 89] Generated Node #0,1,1: 59:[80, 89] Operation: 53+36=89 Moving to Node #0,1,0 Current State: 59:[53, 44], Operations: ['93-57=36', '80-36=44'] Exploring Operation: 53+44=97, Resulting Numbers: [97] 97,59 unequal: No Solution Exploring Operation: 53-44=9, Resulting Numbers: [9] 9,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[80, 89], Operations: ['93-57=36', '53+36=89'] Exploring Operation: 80+89=169, Resulting Numbers: [169] 169,59 unequal: No Solution Exploring Operation: 89-80=9, Resulting Numbers: [9] 9,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 4, 85, 54, 43 ]
100
[ "4+85=89", "54-43=11", "89+11=100" ]
Current State: 100:[4, 85, 54, 43], Operations: [] Exploring Operation: 4+85=89, Resulting Numbers: [54, 43, 89] Generated Node #2: [54, 43, 89] from Operation: 4+85=89 Current State: 100:[54, 43, 89], Operations: ['4+85=89'] Exploring Operation: 54-43=11, Resulting Numbers: [89, 11] Generated Node #3: [89, 11] from Operation: 54-43=11 Current State: 100:[89, 11], Operations: ['4+85=89', '54-43=11'] Exploring Operation: 89+11=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[4, 85, 54, 43], Operations: [] Exploring Operation: 4+85=89, Resulting Numbers: [54, 43, 89] Generated Node #0,0: 100:[54, 43, 89] Operation: 4+85=89 Exploring Operation: 54+43=97, Resulting Numbers: [4, 85, 97] Generated Node #0,1: 100:[4, 85, 97] Operation: 54+43=97 Exploring Operation: 85-54=31, Resulting Numbers: [4, 43, 31] Generated Node #0,2: 100:[4, 43, 31] Operation: 85-54=31 Exploring Operation: 54-43=11, Resulting Numbers: [4, 85, 11] Generated Node #0,3: 100:[4, 85, 11] Operation: 54-43=11 Exploring Operation: 85-43=42, Resulting Numbers: [4, 54, 42] Generated Node #0,4: 100:[4, 54, 42] Operation: 85-43=42 Start Sub Search at level 1: Moving to Node #0,4 Current State: 100:[4, 54, 42], Operations: ['85-43=42'] Exploring Operation: 54+42=96, Resulting Numbers: [4, 96] Generated Node #0,4,0: 100:[4, 96] Operation: 54+42=96 Exploring Operation: 4+42=46, Resulting Numbers: [54, 46] Generated Node #0,4,1: 100:[54, 46] Operation: 4+42=46 Exploring Operation: 54-42=12, Resulting Numbers: [4, 12] Generated Node #0,4,2: 100:[4, 12] Operation: 54-42=12 Exploring Operation: 4+54=58, Resulting Numbers: [42, 58] Generated Node #0,4,3: 100:[42, 58] Operation: 4+54=58 Exploring Operation: 54-4=50, Resulting Numbers: [42, 50] Generated Node #0,4,4: 100:[42, 50] Operation: 54-4=50 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 100:[4, 12], Operations: ['85-43=42', '54-42=12'] Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,100 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,100 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,100 unequal: No Solution Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,100 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 #0,4,0 Current State: 100:[4, 96], Operations: ['85-43=42', '54+42=96'] Exploring Operation: 96/4=24, Resulting Numbers: [24] 24,100 unequal: No Solution Exploring Operation: 4*96=384, Resulting Numbers: [384] 384,100 unequal: No Solution Exploring Operation: 96-4=92, Resulting Numbers: [92] 92,100 unequal: No Solution Exploring Operation: 4+96=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[4, 85, 54, 43], Operations: [] Exploring Operation: 85-43=42, Resulting Numbers: [4, 54, 42] Generated Node #0,4: 100:[4, 54, 42] Operation: 85-43=42 Moving to Node #0,4 Current State: 100:[4, 54, 42], Operations: ['85-43=42'] Exploring Operation: 54+42=96, Resulting Numbers: [4, 96] Generated Node #0,4,0: 100:[4, 96] Operation: 54+42=96 Moving to Node #0,4,0 Current State: 100:[4, 96], Operations: ['85-43=42', '54+42=96'] Exploring Operation: 4+96=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic