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
[ 85, 14, 56, 66 ]
76
[ "85-66=19", "56/14=4", "19*4=76" ]
Current State: 76:[85, 14, 56, 66], Operations: [] Exploring Operation: 85-66=19, Resulting Numbers: [14, 56, 19] Generated Node #2: [14, 56, 19] from Operation: 85-66=19 Current State: 76:[14, 56, 19], Operations: ['85-66=19'] Exploring Operation: 56/14=4, Resulting Numbers: [19, 4] Generated Node #3: [19, 4] from Operation: 56/14=4 Current State: 76:[19, 4], Operations: ['85-66=19', '56/14=4'] Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[85, 14, 56, 66], Operations: [] Exploring Operation: 66-56=10, Resulting Numbers: [85, 14, 10] Generated Node #0,0: 76:[85, 14, 10] Operation: 66-56=10 Exploring Operation: 56/14=4, Resulting Numbers: [85, 66, 4] Generated Node #0,1: 76:[85, 66, 4] Operation: 56/14=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[85, 66, 4], Operations: ['56/14=4'] Exploring Operation: 85-66=19, Resulting Numbers: [4, 19] Generated Node #0,1,0: 76:[4, 19] Operation: 85-66=19 Exploring Operation: 85-4=81, Resulting Numbers: [66, 81] Generated Node #0,1,1: 76:[66, 81] Operation: 85-4=81 Moving to Node #0,1,0 Current State: 76:[4, 19], Operations: ['56/14=4', '85-66=19'] Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[85, 14, 56, 66], Operations: [] Exploring Operation: 56/14=4, Resulting Numbers: [85, 66, 4] Generated Node #0,1: 76:[85, 66, 4] Operation: 56/14=4 Moving to Node #0,1 Current State: 76:[85, 66, 4], Operations: ['56/14=4'] Exploring Operation: 85-66=19, Resulting Numbers: [4, 19] Generated Node #0,1,0: 76:[4, 19] Operation: 85-66=19 Moving to Node #0,1,0 Current State: 76:[4, 19], Operations: ['56/14=4', '85-66=19'] Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 82, 87, 4, 38 ]
38
[ "87-82=5", "5-4=1", "38*1=38" ]
Current State: 38:[82, 87, 4, 38], Operations: [] Exploring Operation: 87-82=5, Resulting Numbers: [4, 38, 5] Generated Node #2: [4, 38, 5] from Operation: 87-82=5 Current State: 38:[4, 38, 5], Operations: ['87-82=5'] Exploring Operation: 5-4=1, Resulting Numbers: [38, 1] Generated Node #3: [38, 1] from Operation: 5-4=1 Current State: 38:[38, 1], Operations: ['87-82=5', '5-4=1'] Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[82, 87, 4, 38], Operations: [] Exploring Operation: 87-82=5, Resulting Numbers: [4, 38, 5] Generated Node #0,0: 38:[4, 38, 5] Operation: 87-82=5 Moving to Node #0,0 Current State: 38:[4, 38, 5], Operations: ['87-82=5'] Exploring Operation: 4*5=20, Resulting Numbers: [38, 20] Generated Node #0,0,0: 38:[38, 20] Operation: 4*5=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 38:[38, 20], Operations: ['87-82=5', '4*5=20'] Exploring Operation: 38-20=18, Resulting Numbers: [18] 18,38 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
[ 45, 32, 8, 85 ]
80
[ "45-32=13", "8+85=93", "93-13=80" ]
Current State: 80:[45, 32, 8, 85], Operations: [] Exploring Operation: 45-32=13, Resulting Numbers: [8, 85, 13] Generated Node #2: [8, 85, 13] from Operation: 45-32=13 Current State: 80:[8, 85, 13], Operations: ['45-32=13'] Exploring Operation: 8+85=93, Resulting Numbers: [13, 93] Generated Node #3: [13, 93] from Operation: 8+85=93 Current State: 80:[13, 93], Operations: ['45-32=13', '8+85=93'] Exploring Operation: 93-13=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[45, 32, 8, 85], Operations: [] Exploring Operation: 45+32=77, Resulting Numbers: [8, 85, 77] Generated Node #0,0: 80:[8, 85, 77] Operation: 45+32=77 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[8, 85, 77], Operations: ['45+32=77'] Exploring Operation: 85-77=8, Resulting Numbers: [8, 8] Generated Node #0,0,0: 80:[8, 8] Operation: 85-77=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[8, 8], Operations: ['45+32=77', '85-77=8'] Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 88, 67, 11, 18 ]
93
[ "88/11=8", "67+18=85", "8+85=93" ]
Current State: 93:[88, 67, 11, 18], Operations: [] Exploring Operation: 88/11=8, Resulting Numbers: [67, 18, 8] Generated Node #2: [67, 18, 8] from Operation: 88/11=8 Current State: 93:[67, 18, 8], Operations: ['88/11=8'] Exploring Operation: 67+18=85, Resulting Numbers: [8, 85] Generated Node #3: [8, 85] from Operation: 67+18=85 Current State: 93:[8, 85], Operations: ['88/11=8', '67+18=85'] Exploring Operation: 8+85=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[88, 67, 11, 18], Operations: [] Exploring Operation: 88-67=21, Resulting Numbers: [11, 18, 21] Generated Node #0,0: 93:[11, 18, 21] Operation: 88-67=21 Exploring Operation: 67+18=85, Resulting Numbers: [88, 11, 85] Generated Node #0,1: 93:[88, 11, 85] Operation: 67+18=85 Exploring Operation: 67-18=49, Resulting Numbers: [88, 11, 49] Generated Node #0,2: 93:[88, 11, 49] Operation: 67-18=49 Moving to Node #0,1 Current State: 93:[88, 11, 85], Operations: ['67+18=85'] Exploring Operation: 11+85=96, Resulting Numbers: [88, 96] Generated Node #0,1,0: 93:[88, 96] Operation: 11+85=96 Exploring Operation: 88-85=3, Resulting Numbers: [11, 3] Generated Node #0,1,1: 93:[11, 3] Operation: 88-85=3 Exploring Operation: 88/11=8, Resulting Numbers: [85, 8] Generated Node #0,1,2: 93:[85, 8] Operation: 88/11=8 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[88, 96], Operations: ['67+18=85', '11+85=96'] Exploring Operation: 96-88=8, Resulting Numbers: [8] 8,93 unequal: No Solution Exploring Operation: 88+96=184, Resulting Numbers: [184] 184,93 unequal: No Solution Exploring Operation: 88*96=8448, Resulting Numbers: [8448] 8448,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[11, 3], Operations: ['67+18=85', '88-85=3'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,93 unequal: No Solution Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,93 unequal: No Solution Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 93:[85, 8], Operations: ['67+18=85', '88/11=8'] Exploring Operation: 85+8=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[88, 67, 11, 18], Operations: [] Exploring Operation: 67+18=85, Resulting Numbers: [88, 11, 85] Generated Node #0,1: 93:[88, 11, 85] Operation: 67+18=85 Moving to Node #0,1 Current State: 93:[88, 11, 85], Operations: ['67+18=85'] Exploring Operation: 88/11=8, Resulting Numbers: [85, 8] Generated Node #0,1,2: 93:[85, 8] Operation: 88/11=8 Moving to Node #0,1,2 Current State: 93:[85, 8], Operations: ['67+18=85', '88/11=8'] Exploring Operation: 85+8=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 10, 81, 21, 32 ]
82
[ "81-10=71", "32-21=11", "71+11=82" ]
Current State: 82:[10, 81, 21, 32], Operations: [] Exploring Operation: 81-10=71, Resulting Numbers: [21, 32, 71] Generated Node #2: [21, 32, 71] from Operation: 81-10=71 Current State: 82:[21, 32, 71], Operations: ['81-10=71'] Exploring Operation: 32-21=11, Resulting Numbers: [71, 11] Generated Node #3: [71, 11] from Operation: 32-21=11 Current State: 82:[71, 11], Operations: ['81-10=71', '32-21=11'] Exploring Operation: 71+11=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[10, 81, 21, 32], Operations: [] Exploring Operation: 10+21=31, Resulting Numbers: [81, 32, 31] Generated Node #0,0: 82:[81, 32, 31] Operation: 10+21=31 Exploring Operation: 32-21=11, Resulting Numbers: [10, 81, 11] Generated Node #0,1: 82:[10, 81, 11] Operation: 32-21=11 Exploring Operation: 21+32=53, Resulting Numbers: [10, 81, 53] Generated Node #0,2: 82:[10, 81, 53] Operation: 21+32=53 Exploring Operation: 21-10=11, Resulting Numbers: [81, 32, 11] Generated Node #0,3: 82:[81, 32, 11] Operation: 21-10=11 Exploring Operation: 10+32=42, Resulting Numbers: [81, 21, 42] Generated Node #0,4: 82:[81, 21, 42] Operation: 10+32=42 Moving to Node #0,1 Current State: 82:[10, 81, 11], Operations: ['32-21=11'] Exploring Operation: 10+81=91, Resulting Numbers: [11, 91] Generated Node #0,1,0: 82:[11, 91] Operation: 10+81=91 Exploring Operation: 10+11=21, Resulting Numbers: [81, 21] Generated Node #0,1,1: 82:[81, 21] Operation: 10+11=21 Exploring Operation: 81-10=71, Resulting Numbers: [11, 71] Generated Node #0,1,2: 82:[11, 71] Operation: 81-10=71 Exploring Operation: 81+11=92, Resulting Numbers: [10, 92] Generated Node #0,1,3: 82:[10, 92] Operation: 81+11=92 Exploring Operation: 11-10=1, Resulting Numbers: [81, 1] Generated Node #0,1,4: 82:[81, 1] Operation: 11-10=1 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 82:[81, 1], Operations: ['32-21=11', '11-10=1'] Exploring Operation: 81+1=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[10, 81, 21, 32], Operations: [] Exploring Operation: 32-21=11, Resulting Numbers: [10, 81, 11] Generated Node #0,1: 82:[10, 81, 11] Operation: 32-21=11 Moving to Node #0,1 Current State: 82:[10, 81, 11], Operations: ['32-21=11'] Exploring Operation: 11-10=1, Resulting Numbers: [81, 1] Generated Node #0,1,4: 82:[81, 1] Operation: 11-10=1 Moving to Node #0,1,4 Current State: 82:[81, 1], Operations: ['32-21=11', '11-10=1'] Exploring Operation: 81+1=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 14, 26, 38, 16 ]
25
[ "16-14=2", "26/2=13", "38-13=25" ]
Current State: 25:[14, 26, 38, 16], Operations: [] Exploring Operation: 16-14=2, Resulting Numbers: [26, 38, 2] Generated Node #2: [26, 38, 2] from Operation: 16-14=2 Current State: 25:[26, 38, 2], Operations: ['16-14=2'] Exploring Operation: 26/2=13, Resulting Numbers: [38, 13] Generated Node #3: [38, 13] from Operation: 26/2=13 Current State: 25:[38, 13], Operations: ['16-14=2', '26/2=13'] Exploring Operation: 38-13=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[14, 26, 38, 16], Operations: [] Exploring Operation: 38-14=24, Resulting Numbers: [26, 16, 24] Generated Node #0,0: 25:[26, 16, 24] Operation: 38-14=24 Exploring Operation: 38-16=22, Resulting Numbers: [14, 26, 22] Generated Node #0,1: 25:[14, 26, 22] Operation: 38-16=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[26, 16, 24], Operations: ['38-14=24'] Exploring Operation: 26-16=10, Resulting Numbers: [24, 10] Generated Node #0,0,0: 25:[24, 10] Operation: 26-16=10 Exploring Operation: 24-16=8, Resulting Numbers: [26, 8] Generated Node #0,0,1: 25:[26, 8] Operation: 24-16=8 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 25:[26, 8], Operations: ['38-14=24', '24-16=8'] Exploring Operation: 26+8=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,25 unequal: No Solution No 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: 25:[24, 10], Operations: ['38-14=24', '26-16=10'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 24+10=34, Resulting Numbers: [34] 34,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[14, 26, 22], Operations: ['38-16=22'] Exploring Operation: 22-14=8, Resulting Numbers: [26, 8] Generated Node #0,1,0: 25:[26, 8] Operation: 22-14=8 Exploring Operation: 26-14=12, Resulting Numbers: [22, 12] Generated Node #0,1,1: 25:[22, 12] Operation: 26-14=12 Moving to Node #0,1,0 Current State: 25:[26, 8], Operations: ['38-16=22', '22-14=8'] Exploring Operation: 26+8=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[22, 12], Operations: ['38-16=22', '26-14=12'] Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,25 unequal: No Solution Exploring Operation: 22+12=34, Resulting Numbers: [34] 34,25 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
[ 69, 48, 3, 62 ]
80
[ "69-48=21", "62-3=59", "21+59=80" ]
Current State: 80:[69, 48, 3, 62], Operations: [] Exploring Operation: 69-48=21, Resulting Numbers: [3, 62, 21] Generated Node #2: [3, 62, 21] from Operation: 69-48=21 Current State: 80:[3, 62, 21], Operations: ['69-48=21'] Exploring Operation: 62-3=59, Resulting Numbers: [21, 59] Generated Node #3: [21, 59] from Operation: 62-3=59 Current State: 80:[21, 59], Operations: ['69-48=21', '62-3=59'] Exploring Operation: 21+59=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[69, 48, 3, 62], Operations: [] Exploring Operation: 69/3=23, Resulting Numbers: [48, 62, 23] Generated Node #0,0: 80:[48, 62, 23] Operation: 69/3=23 Exploring Operation: 62-48=14, Resulting Numbers: [69, 3, 14] Generated Node #0,1: 80:[69, 3, 14] Operation: 62-48=14 Exploring Operation: 69-48=21, Resulting Numbers: [3, 62, 21] Generated Node #0,2: 80:[3, 62, 21] Operation: 69-48=21 Exploring Operation: 69-62=7, Resulting Numbers: [48, 3, 7] Generated Node #0,3: 80:[48, 3, 7] Operation: 69-62=7 Moving to Node #0,3 Current State: 80:[48, 3, 7], Operations: ['69-62=7'] Exploring Operation: 48-3=45, Resulting Numbers: [7, 45] Generated Node #0,3,0: 80:[7, 45] Operation: 48-3=45 Exploring Operation: 48-7=41, Resulting Numbers: [3, 41] Generated Node #0,3,1: 80:[3, 41] Operation: 48-7=41 Exploring Operation: 3+7=10, Resulting Numbers: [48, 10] Generated Node #0,3,2: 80:[48, 10] Operation: 3+7=10 Exploring Operation: 48/3=16, Resulting Numbers: [7, 16] Generated Node #0,3,3: 80:[7, 16] Operation: 48/3=16 Moving to Node #0,1 Current State: 80:[69, 3, 14], Operations: ['62-48=14'] Exploring Operation: 3+14=17, Resulting Numbers: [69, 17] Generated Node #0,1,0: 80:[69, 17] Operation: 3+14=17 Exploring Operation: 69+3=72, Resulting Numbers: [14, 72] Generated Node #0,1,1: 80:[14, 72] Operation: 69+3=72 Exploring Operation: 69+14=83, Resulting Numbers: [3, 83] Generated Node #0,1,2: 80:[3, 83] Operation: 69+14=83 Exploring Operation: 69/3=23, Resulting Numbers: [14, 23] Generated Node #0,1,3: 80:[14, 23] Operation: 69/3=23 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 80:[3, 83], Operations: ['62-48=14', '69+14=83'] Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[69, 48, 3, 62], Operations: [] Exploring Operation: 62-48=14, Resulting Numbers: [69, 3, 14] Generated Node #0,1: 80:[69, 3, 14] Operation: 62-48=14 Moving to Node #0,1 Current State: 80:[69, 3, 14], Operations: ['62-48=14'] Exploring Operation: 69+14=83, Resulting Numbers: [3, 83] Generated Node #0,1,2: 80:[3, 83] Operation: 69+14=83 Moving to Node #0,1,2 Current State: 80:[3, 83], Operations: ['62-48=14', '69+14=83'] Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 46, 5, 92, 64 ]
70
[ "46+64=110", "110/5=22", "92-22=70" ]
Current State: 70:[46, 5, 92, 64], Operations: [] Exploring Operation: 46+64=110, Resulting Numbers: [5, 92, 110] Generated Node #2: [5, 92, 110] from Operation: 46+64=110 Current State: 70:[5, 92, 110], Operations: ['46+64=110'] Exploring Operation: 110/5=22, Resulting Numbers: [92, 22] Generated Node #3: [92, 22] from Operation: 110/5=22 Current State: 70:[92, 22], Operations: ['46+64=110', '110/5=22'] Exploring Operation: 92-22=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[46, 5, 92, 64], Operations: [] Exploring Operation: 92/46=2, Resulting Numbers: [5, 64, 2] Generated Node #0,0: 70:[5, 64, 2] Operation: 92/46=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[5, 64, 2], Operations: ['92/46=2'] Exploring Operation: 5+64=69, Resulting Numbers: [2, 69] Generated Node #0,0,0: 70:[2, 69] Operation: 5+64=69 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 70:[2, 69], Operations: ['92/46=2', '5+64=69'] Exploring Operation: 2+69=71, Resulting Numbers: [71] 71,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 3, 35, 29, 53 ]
95
[ "3*53=159", "35+29=64", "159-64=95" ]
Current State: 95:[3, 35, 29, 53], Operations: [] Exploring Operation: 3*53=159, Resulting Numbers: [35, 29, 159] Generated Node #2: [35, 29, 159] from Operation: 3*53=159 Current State: 95:[35, 29, 159], Operations: ['3*53=159'] Exploring Operation: 35+29=64, Resulting Numbers: [159, 64] Generated Node #3: [159, 64] from Operation: 35+29=64 Current State: 95:[159, 64], Operations: ['3*53=159', '35+29=64'] Exploring Operation: 159-64=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[3, 35, 29, 53], Operations: [] Exploring Operation: 53-35=18, Resulting Numbers: [3, 29, 18] Generated Node #0,0: 95:[3, 29, 18] Operation: 53-35=18 Moving to Node #0,0 Current State: 95:[3, 29, 18], Operations: ['53-35=18'] Exploring Operation: 29-3=26, Resulting Numbers: [18, 26] Generated Node #0,0,0: 95:[18, 26] Operation: 29-3=26 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[18, 26], Operations: ['53-35=18', '29-3=26'] Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,95 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
[ 16, 84, 69, 85 ]
83
[ "16+69=85", "85/85=1", "84-1=83" ]
Current State: 83:[16, 84, 69, 85], Operations: [] Exploring Operation: 16+69=85, Resulting Numbers: [84, 85, 85] Generated Node #2: [84, 85, 85] from Operation: 16+69=85 Current State: 83:[84, 85, 85], Operations: ['16+69=85'] Exploring Operation: 85/85=1, Resulting Numbers: [84, 1] Generated Node #3: [84, 1] from Operation: 85/85=1 Current State: 83:[84, 1], Operations: ['16+69=85', '85/85=1'] Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[16, 84, 69, 85], Operations: [] Exploring Operation: 85-16=69, Resulting Numbers: [84, 69, 69] Generated Node #0,0: 83:[84, 69, 69] Operation: 85-16=69 Exploring Operation: 16+69=85, Resulting Numbers: [84, 85, 85] Generated Node #0,1: 83:[84, 85, 85] Operation: 16+69=85 Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[84, 85, 85], Operations: ['16+69=85'] Exploring Operation: 85/85=1, Resulting Numbers: [84, 1] Generated Node #0,1,0: 83:[84, 1] Operation: 85/85=1 Exploring Operation: 85-84=1, Resulting Numbers: [85, 1] Generated Node #0,1,1: 83:[85, 1] Operation: 85-84=1 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 83:[84, 1], Operations: ['16+69=85', '85/85=1'] Exploring Operation: 84*1=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[16, 84, 69, 85], Operations: [] Exploring Operation: 16+69=85, Resulting Numbers: [84, 85, 85] Generated Node #0,1: 83:[84, 85, 85] Operation: 16+69=85 Moving to Node #0,1 Current State: 83:[84, 85, 85], Operations: ['16+69=85'] Exploring Operation: 85/85=1, Resulting Numbers: [84, 1] Generated Node #0,1,0: 83:[84, 1] Operation: 85/85=1 Moving to Node #0,1,0 Current State: 83:[84, 1], Operations: ['16+69=85', '85/85=1'] Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 5, 18, 2, 13 ]
13
[ "18-5=13", "2*13=26", "26-13=13" ]
Current State: 13:[5, 18, 2, 13], Operations: [] Exploring Operation: 18-5=13, Resulting Numbers: [2, 13, 13] Generated Node #2: [2, 13, 13] from Operation: 18-5=13 Current State: 13:[2, 13, 13], Operations: ['18-5=13'] Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,13 equal: Goal Reached Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[5, 18, 2, 13], Operations: [] Exploring Operation: 18-5=13, Resulting Numbers: [2, 13, 13] Generated Node #0,0: 13:[2, 13, 13] Operation: 18-5=13 Exploring Operation: 5+2=7, Resulting Numbers: [18, 13, 7] Generated Node #0,1: 13:[18, 13, 7] Operation: 5+2=7 Exploring Operation: 5*2=10, Resulting Numbers: [18, 13, 10] Generated Node #0,2: 13:[18, 13, 10] Operation: 5*2=10 Exploring Operation: 18-2=16, Resulting Numbers: [5, 13, 16] Generated Node #0,3: 13:[5, 13, 16] Operation: 18-2=16 Moving to Node #0,2 Current State: 13:[18, 13, 10], Operations: ['5*2=10'] Exploring Operation: 13+10=23, Resulting Numbers: [18, 23] Generated Node #0,2,0: 13:[18, 23] Operation: 13+10=23 Exploring Operation: 18+10=28, Resulting Numbers: [13, 28] Generated Node #0,2,1: 13:[13, 28] Operation: 18+10=28 Exploring Operation: 18-13=5, Resulting Numbers: [10, 5] Generated Node #0,2,2: 13:[10, 5] Operation: 18-13=5 Exploring Operation: 18-10=8, Resulting Numbers: [13, 8] Generated Node #0,2,3: 13:[13, 8] Operation: 18-10=8 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 13:[13, 8], Operations: ['5*2=10', '18-10=8'] Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,13 unequal: No Solution Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,13 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,13 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 #0,2,2 Current State: 13:[10, 5], Operations: ['5*2=10', '18-13=5'] Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,13 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,13 unequal: No Solution Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,13 unequal: No Solution Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,13 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 #0,2,0 Current State: 13:[18, 23], Operations: ['5*2=10', '13+10=23'] Exploring Operation: 18*23=414, Resulting Numbers: [414] 414,13 unequal: No Solution Exploring Operation: 23-18=5, Resulting Numbers: [5] 5,13 unequal: No Solution Exploring Operation: 18+23=41, Resulting Numbers: [41] 41,13 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 #0,2,1 Current State: 13:[13, 28], Operations: ['5*2=10', '18+10=28'] Exploring Operation: 13+28=41, Resulting Numbers: [41] 41,13 unequal: No Solution Exploring Operation: 13*28=364, Resulting Numbers: [364] 364,13 unequal: No Solution Exploring Operation: 28-13=15, Resulting Numbers: [15] 15,13 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: 13:[18, 13, 7], Operations: ['5+2=7'] Exploring Operation: 18+7=25, Resulting Numbers: [13, 25] Generated Node #0,1,0: 13:[13, 25] Operation: 18+7=25 Exploring Operation: 13-7=6, Resulting Numbers: [18, 6] Generated Node #0,1,1: 13:[18, 6] Operation: 13-7=6 Exploring Operation: 18-7=11, Resulting Numbers: [13, 11] Generated Node #0,1,2: 13:[13, 11] Operation: 18-7=11 Exploring Operation: 13+7=20, Resulting Numbers: [18, 20] Generated Node #0,1,3: 13:[18, 20] Operation: 13+7=20 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 13:[13, 11], Operations: ['5+2=7', '18-7=11'] Exploring Operation: 13+11=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 13*11=143, Resulting Numbers: [143] 143,13 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,13 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 #0,1,0 Current State: 13:[13, 25], Operations: ['5+2=7', '18+7=25'] Exploring Operation: 13+25=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 13*25=325, Resulting Numbers: [325] 325,13 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:[18, 6], Operations: ['5+2=7', '13-7=6'] Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,13 unequal: No Solution Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 18*6=108, Resulting Numbers: [108] 108,13 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,13 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:[18, 20], Operations: ['5+2=7', '13+7=20'] Exploring Operation: 18*20=360, Resulting Numbers: [360] 360,13 unequal: No Solution Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,13 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: 13:[2, 13, 13], Operations: ['18-5=13'] Exploring Operation: 13-2=11, Resulting Numbers: [13, 11] Generated Node #0,0,0: 13:[13, 11] Operation: 13-2=11 Exploring Operation: 2+13=15, Resulting Numbers: [13, 15] Generated Node #0,0,1: 13:[13, 15] Operation: 2+13=15 Exploring Operation: 2+13=15, Resulting Numbers: [13, 15] Generated Node #0,0,2: 13:[13, 15] Operation: 2+13=15 Exploring Operation: 13-2=11, Resulting Numbers: [13, 11] Generated Node #0,0,3: 13:[13, 11] Operation: 13-2=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 13:[13, 11], Operations: ['18-5=13', '13-2=11'] Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 13+11=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 13*11=143, Resulting Numbers: [143] 143,13 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 #0,0,1 Current State: 13:[13, 15], Operations: ['18-5=13', '2+13=15'] Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 13*15=195, Resulting Numbers: [195] 195,13 unequal: No Solution Exploring Operation: 13+15=28, Resulting Numbers: [28] 28,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 13:[13, 15], Operations: ['18-5=13', '2+13=15'] Exploring Operation: 13*15=195, Resulting Numbers: [195] 195,13 unequal: No Solution Exploring Operation: 13+15=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,13 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 #0,0,3 Current State: 13:[13, 11], Operations: ['18-5=13', '13-2=11'] Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 13*11=143, Resulting Numbers: [143] 143,13 unequal: No Solution Exploring Operation: 13+11=24, Resulting Numbers: [24] 24,13 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: 13:[5, 13, 16], Operations: ['18-2=16'] Exploring Operation: 5+16=21, Resulting Numbers: [13, 21] Generated Node #0,3,0: 13:[13, 21] Operation: 5+16=21 Exploring Operation: 16-5=11, Resulting Numbers: [13, 11] Generated Node #0,3,1: 13:[13, 11] Operation: 16-5=11 Exploring Operation: 13-5=8, Resulting Numbers: [16, 8] Generated Node #0,3,2: 13:[16, 8] Operation: 13-5=8 Exploring Operation: 5+13=18, Resulting Numbers: [16, 18] Generated Node #0,3,3: 13:[16, 18] Operation: 5+13=18 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 13:[13, 11], Operations: ['18-2=16', '16-5=11'] Exploring Operation: 13+11=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 13*11=143, Resulting Numbers: [143] 143,13 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,13 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 #0,3,0 Current State: 13:[13, 21], Operations: ['18-2=16', '5+16=21'] Exploring Operation: 13*21=273, Resulting Numbers: [273] 273,13 unequal: No Solution Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,13 unequal: No Solution Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,13 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 #0,3,2 Current State: 13:[16, 8], Operations: ['18-2=16', '13-5=8'] Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,13 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 16*8=128, Resulting Numbers: [128] 128,13 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 #0,3,3 Current State: 13:[16, 18], Operations: ['18-2=16', '5+13=18'] Exploring Operation: 16*18=288, Resulting Numbers: [288] 288,13 unequal: No Solution Exploring Operation: 16+18=34, Resulting Numbers: [34] 34,13 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 84, 88, 9, 42 ]
35
[ "84/42=2", "88/2=44", "44-9=35" ]
Current State: 35:[84, 88, 9, 42], Operations: [] Exploring Operation: 84/42=2, Resulting Numbers: [88, 9, 2] Generated Node #2: [88, 9, 2] from Operation: 84/42=2 Current State: 35:[88, 9, 2], Operations: ['84/42=2'] Exploring Operation: 88/2=44, Resulting Numbers: [9, 44] Generated Node #3: [9, 44] from Operation: 88/2=44 Current State: 35:[9, 44], Operations: ['84/42=2', '88/2=44'] Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[84, 88, 9, 42], Operations: [] Exploring Operation: 88-84=4, Resulting Numbers: [9, 42, 4] Generated Node #0,0: 35:[9, 42, 4] Operation: 88-84=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[9, 42, 4], Operations: ['88-84=4'] Exploring Operation: 42-9=33, Resulting Numbers: [4, 33] Generated Node #0,0,0: 35:[4, 33] Operation: 42-9=33 Moving to Node #0,0,0 Current State: 35:[4, 33], Operations: ['88-84=4', '42-9=33'] Exploring Operation: 4+33=37, Resulting Numbers: [37] 37,35 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
[ 88, 55, 16, 31 ]
80
[ "88-55=33", "16+31=47", "33+47=80" ]
Current State: 80:[88, 55, 16, 31], Operations: [] Exploring Operation: 88-55=33, Resulting Numbers: [16, 31, 33] Generated Node #2: [16, 31, 33] from Operation: 88-55=33 Current State: 80:[16, 31, 33], Operations: ['88-55=33'] Exploring Operation: 16+31=47, Resulting Numbers: [33, 47] Generated Node #3: [33, 47] from Operation: 16+31=47 Current State: 80:[33, 47], Operations: ['88-55=33', '16+31=47'] Exploring Operation: 33+47=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[88, 55, 16, 31], Operations: [] Exploring Operation: 55+31=86, Resulting Numbers: [88, 16, 86] Generated Node #0,0: 80:[88, 16, 86] Operation: 55+31=86 Exploring Operation: 88-55=33, Resulting Numbers: [16, 31, 33] Generated Node #0,1: 80:[16, 31, 33] Operation: 88-55=33 Exploring Operation: 55-31=24, Resulting Numbers: [88, 16, 24] Generated Node #0,2: 80:[88, 16, 24] Operation: 55-31=24 Start Sub Search at level 1: Moving to Node #0,2 Current State: 80:[88, 16, 24], Operations: ['55-31=24'] Exploring Operation: 24-16=8, Resulting Numbers: [88, 8] Generated Node #0,2,0: 80:[88, 8] Operation: 24-16=8 Exploring Operation: 16+24=40, Resulting Numbers: [88, 40] Generated Node #0,2,1: 80:[88, 40] Operation: 16+24=40 Exploring Operation: 88-16=72, Resulting Numbers: [24, 72] Generated Node #0,2,2: 80:[24, 72] Operation: 88-16=72 Moving to Node #0,2,0 Current State: 80:[88, 8], Operations: ['55-31=24', '24-16=8'] Exploring Operation: 88/8=11, Resulting Numbers: [11] 11,80 unequal: No Solution Exploring Operation: 88-8=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[88, 55, 16, 31], Operations: [] Exploring Operation: 55-31=24, Resulting Numbers: [88, 16, 24] Generated Node #0,2: 80:[88, 16, 24] Operation: 55-31=24 Moving to Node #0,2 Current State: 80:[88, 16, 24], Operations: ['55-31=24'] Exploring Operation: 24-16=8, Resulting Numbers: [88, 8] Generated Node #0,2,0: 80:[88, 8] Operation: 24-16=8 Moving to Node #0,2,0 Current State: 80:[88, 8], Operations: ['55-31=24', '24-16=8'] Exploring Operation: 88-8=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 60, 31, 47, 12 ]
80
[ "60/12=5", "47-31=16", "5*16=80" ]
Current State: 80:[60, 31, 47, 12], Operations: [] Exploring Operation: 60/12=5, Resulting Numbers: [31, 47, 5] Generated Node #2: [31, 47, 5] from Operation: 60/12=5 Current State: 80:[31, 47, 5], Operations: ['60/12=5'] Exploring Operation: 47-31=16, Resulting Numbers: [5, 16] Generated Node #3: [5, 16] from Operation: 47-31=16 Current State: 80:[5, 16], Operations: ['60/12=5', '47-31=16'] Exploring Operation: 5*16=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[60, 31, 47, 12], Operations: [] Exploring Operation: 60-31=29, Resulting Numbers: [47, 12, 29] Generated Node #0,0: 80:[47, 12, 29] Operation: 60-31=29 Exploring Operation: 60/12=5, Resulting Numbers: [31, 47, 5] Generated Node #0,1: 80:[31, 47, 5] Operation: 60/12=5 Exploring Operation: 60-47=13, Resulting Numbers: [31, 12, 13] Generated Node #0,2: 80:[31, 12, 13] Operation: 60-47=13 Start Sub Search at level 1: Moving to Node #0,2 Current State: 80:[31, 12, 13], Operations: ['60-47=13'] Exploring Operation: 31+12=43, Resulting Numbers: [13, 43] Generated Node #0,2,0: 80:[13, 43] Operation: 31+12=43 Exploring Operation: 31-12=19, Resulting Numbers: [13, 19] Generated Node #0,2,1: 80:[13, 19] Operation: 31-12=19 Exploring Operation: 31-13=18, Resulting Numbers: [12, 18] Generated Node #0,2,2: 80:[12, 18] Operation: 31-13=18 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 80:[13, 19], Operations: ['60-47=13', '31-12=19'] Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,80 unequal: No Solution Exploring Operation: 13+19=32, Resulting Numbers: [32] 32,80 unequal: No Solution Exploring Operation: 13*19=247, Resulting Numbers: [247] 247,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 80:[12, 18], Operations: ['60-47=13', '31-13=18'] Exploring Operation: 12*18=216, Resulting Numbers: [216] 216,80 unequal: No Solution Exploring Operation: 12+18=30, Resulting Numbers: [30] 30,80 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 80:[13, 43], Operations: ['60-47=13', '31+12=43'] Exploring Operation: 13*43=559, Resulting Numbers: [559] 559,80 unequal: No Solution Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,80 unequal: No Solution Exploring Operation: 13+43=56, Resulting Numbers: [56] 56,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[31, 47, 5], Operations: ['60/12=5'] Exploring Operation: 31+47=78, Resulting Numbers: [5, 78] Generated Node #0,1,0: 80:[5, 78] Operation: 31+47=78 Exploring Operation: 47-31=16, Resulting Numbers: [5, 16] Generated Node #0,1,1: 80:[5, 16] Operation: 47-31=16 Exploring Operation: 31+5=36, Resulting Numbers: [47, 36] Generated Node #0,1,2: 80:[47, 36] Operation: 31+5=36 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 80:[5, 16], Operations: ['60/12=5', '47-31=16'] Exploring Operation: 5*16=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[60, 31, 47, 12], Operations: [] Exploring Operation: 60/12=5, Resulting Numbers: [31, 47, 5] Generated Node #0,1: 80:[31, 47, 5] Operation: 60/12=5 Moving to Node #0,1 Current State: 80:[31, 47, 5], Operations: ['60/12=5'] Exploring Operation: 47-31=16, Resulting Numbers: [5, 16] Generated Node #0,1,1: 80:[5, 16] Operation: 47-31=16 Moving to Node #0,1,1 Current State: 80:[5, 16], Operations: ['60/12=5', '47-31=16'] Exploring Operation: 5*16=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 34, 60, 41, 29 ]
95
[ "34-29=5", "60-41=19", "5*19=95" ]
Current State: 95:[34, 60, 41, 29], Operations: [] Exploring Operation: 34-29=5, Resulting Numbers: [60, 41, 5] Generated Node #2: [60, 41, 5] from Operation: 34-29=5 Current State: 95:[60, 41, 5], Operations: ['34-29=5'] Exploring Operation: 60-41=19, Resulting Numbers: [5, 19] Generated Node #3: [5, 19] from Operation: 60-41=19 Current State: 95:[5, 19], Operations: ['34-29=5', '60-41=19'] Exploring Operation: 5*19=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[34, 60, 41, 29], Operations: [] Exploring Operation: 60+41=101, Resulting Numbers: [34, 29, 101] Generated Node #0,0: 95:[34, 29, 101] Operation: 60+41=101 Exploring Operation: 60-34=26, Resulting Numbers: [41, 29, 26] Generated Node #0,1: 95:[41, 29, 26] Operation: 60-34=26 Exploring Operation: 60-41=19, Resulting Numbers: [34, 29, 19] Generated Node #0,2: 95:[34, 29, 19] Operation: 60-41=19 Exploring Operation: 34+60=94, Resulting Numbers: [41, 29, 94] Generated Node #0,3: 95:[41, 29, 94] Operation: 34+60=94 Start Sub Search at level 1: Moving to Node #0,2 Current State: 95:[34, 29, 19], Operations: ['60-41=19'] Exploring Operation: 34-29=5, Resulting Numbers: [19, 5] Generated Node #0,2,0: 95:[19, 5] Operation: 34-29=5 Exploring Operation: 29-19=10, Resulting Numbers: [34, 10] Generated Node #0,2,1: 95:[34, 10] Operation: 29-19=10 Exploring Operation: 34+29=63, Resulting Numbers: [19, 63] Generated Node #0,2,2: 95:[19, 63] Operation: 34+29=63 Exploring Operation: 34-19=15, Resulting Numbers: [29, 15] Generated Node #0,2,3: 95:[29, 15] Operation: 34-19=15 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 95:[19, 5], Operations: ['60-41=19', '34-29=5'] Exploring Operation: 19+5=24, Resulting Numbers: [24] 24,95 unequal: No Solution Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,95 unequal: No Solution Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[34, 60, 41, 29], Operations: [] Exploring Operation: 60-41=19, Resulting Numbers: [34, 29, 19] Generated Node #0,2: 95:[34, 29, 19] Operation: 60-41=19 Moving to Node #0,2 Current State: 95:[34, 29, 19], Operations: ['60-41=19'] Exploring Operation: 34-29=5, Resulting Numbers: [19, 5] Generated Node #0,2,0: 95:[19, 5] Operation: 34-29=5 Moving to Node #0,2,0 Current State: 95:[19, 5], Operations: ['60-41=19', '34-29=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 19, 23, 75, 16 ]
71
[ "23-19=4", "16/4=4", "75-4=71" ]
Current State: 71:[19, 23, 75, 16], Operations: [] Exploring Operation: 23-19=4, Resulting Numbers: [75, 16, 4] Generated Node #2: [75, 16, 4] from Operation: 23-19=4 Current State: 71:[75, 16, 4], Operations: ['23-19=4'] Exploring Operation: 16/4=4, Resulting Numbers: [75, 4] Generated Node #3: [75, 4] from Operation: 16/4=4 Current State: 71:[75, 4], Operations: ['23-19=4', '16/4=4'] Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[19, 23, 75, 16], Operations: [] Exploring Operation: 19+23=42, Resulting Numbers: [75, 16, 42] Generated Node #0,0: 71:[75, 16, 42] Operation: 19+23=42 Exploring Operation: 19+16=35, Resulting Numbers: [23, 75, 35] Generated Node #0,1: 71:[23, 75, 35] Operation: 19+16=35 Moving to Node #0,0 Current State: 71:[75, 16, 42], Operations: ['19+23=42'] Exploring Operation: 16+42=58, Resulting Numbers: [75, 58] Generated Node #0,0,0: 71:[75, 58] Operation: 16+42=58 Exploring Operation: 75-16=59, Resulting Numbers: [42, 59] Generated Node #0,0,1: 71:[42, 59] Operation: 75-16=59 Moving to Node #0,1 Current State: 71:[23, 75, 35], Operations: ['19+16=35'] Exploring Operation: 23+35=58, Resulting Numbers: [75, 58] Generated Node #0,1,0: 71:[75, 58] Operation: 23+35=58 Exploring Operation: 75-23=52, Resulting Numbers: [35, 52] Generated Node #0,1,1: 71:[35, 52] Operation: 75-23=52 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[75, 58], Operations: ['19+16=35', '23+35=58'] Exploring Operation: 75-58=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 75+58=133, Resulting Numbers: [133] 133,71 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:[35, 52], Operations: ['19+16=35', '75-23=52'] Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 35+52=87, Resulting Numbers: [87] 87,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 71:[75, 58], Operations: ['19+23=42', '16+42=58'] Exploring Operation: 75-58=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 75+58=133, Resulting Numbers: [133] 133,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[42, 59], Operations: ['19+23=42', '75-16=59'] Exploring Operation: 42+59=101, Resulting Numbers: [101] 101,71 unequal: No Solution Exploring Operation: 59-42=17, Resulting Numbers: [17] 17,71 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 68, 5, 4, 36 ]
20
[ "68-4=64", "36+64=100", "100/5=20" ]
Current State: 20:[68, 5, 4, 36], Operations: [] Exploring Operation: 68-4=64, Resulting Numbers: [5, 36, 64] Generated Node #2: [5, 36, 64] from Operation: 68-4=64 Current State: 20:[5, 36, 64], Operations: ['68-4=64'] Exploring Operation: 36+64=100, Resulting Numbers: [5, 100] Generated Node #3: [5, 100] from Operation: 36+64=100 Current State: 20:[5, 100], Operations: ['68-4=64', '36+64=100'] Exploring Operation: 100/5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[68, 5, 4, 36], Operations: [] Exploring Operation: 36-5=31, Resulting Numbers: [68, 4, 31] Generated Node #0,0: 20:[68, 4, 31] Operation: 36-5=31 Exploring Operation: 68/4=17, Resulting Numbers: [5, 36, 17] Generated Node #0,1: 20:[5, 36, 17] Operation: 68/4=17 Exploring Operation: 68-36=32, Resulting Numbers: [5, 4, 32] Generated Node #0,2: 20:[5, 4, 32] Operation: 68-36=32 Exploring Operation: 68-5=63, Resulting Numbers: [4, 36, 63] Generated Node #0,3: 20:[4, 36, 63] Operation: 68-5=63 Exploring Operation: 36/4=9, Resulting Numbers: [68, 5, 9] Generated Node #0,4: 20:[68, 5, 9] Operation: 36/4=9 Moving to Node #0,2 Current State: 20:[5, 4, 32], Operations: ['68-36=32'] Exploring Operation: 5*4=20, Resulting Numbers: [32, 20] Generated Node #0,2,0: 20:[32, 20] Operation: 5*4=20 Exploring Operation: 32/4=8, Resulting Numbers: [5, 8] Generated Node #0,2,1: 20:[5, 8] Operation: 32/4=8 Exploring Operation: 32-4=28, Resulting Numbers: [5, 28] Generated Node #0,2,2: 20:[5, 28] Operation: 32-4=28 Exploring Operation: 32-5=27, Resulting Numbers: [4, 27] Generated Node #0,2,3: 20:[4, 27] Operation: 32-5=27 Exploring Operation: 5+4=9, Resulting Numbers: [32, 9] Generated Node #0,2,4: 20:[32, 9] Operation: 5+4=9 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 20:[5, 8], Operations: ['68-36=32', '32/4=8'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,20 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 20:[4, 27], Operations: ['68-36=32', '32-5=27'] Exploring Operation: 4*27=108, Resulting Numbers: [108] 108,20 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,20 unequal: No Solution Exploring Operation: 4+27=31, Resulting Numbers: [31] 31,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 20:[5, 28], Operations: ['68-36=32', '32-4=28'] Exploring Operation: 5+28=33, Resulting Numbers: [33] 33,20 unequal: No Solution Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,20 unequal: No Solution Exploring Operation: 5*28=140, Resulting Numbers: [140] 140,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 20:[32, 20], Operations: ['68-36=32', '5*4=20'] Exploring Operation: 32*20=640, Resulting Numbers: [640] 640,20 unequal: No Solution Exploring Operation: 32+20=52, Resulting Numbers: [52] 52,20 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 20:[32, 9], Operations: ['68-36=32', '5+4=9'] Exploring Operation: 32+9=41, Resulting Numbers: [41] 41,20 unequal: No Solution Exploring Operation: 32*9=288, Resulting Numbers: [288] 288,20 unequal: No Solution Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 20:[5, 36, 17], Operations: ['68/4=17'] Exploring Operation: 36-17=19, Resulting Numbers: [5, 19] Generated Node #0,1,0: 20:[5, 19] Operation: 36-17=19 Exploring Operation: 5+17=22, Resulting Numbers: [36, 22] Generated Node #0,1,1: 20:[36, 22] Operation: 5+17=22 Exploring Operation: 36-5=31, Resulting Numbers: [17, 31] Generated Node #0,1,2: 20:[17, 31] Operation: 36-5=31 Exploring Operation: 17-5=12, Resulting Numbers: [36, 12] Generated Node #0,1,3: 20:[36, 12] Operation: 17-5=12 Exploring Operation: 5+36=41, Resulting Numbers: [17, 41] Generated Node #0,1,4: 20:[17, 41] Operation: 5+36=41 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 20:[5, 19], Operations: ['68/4=17', '36-17=19'] Exploring Operation: 5+19=24, Resulting Numbers: [24] 24,20 unequal: No Solution Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,20 unequal: No Solution Exploring Operation: 5*19=95, Resulting Numbers: [95] 95,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 20:[17, 31], Operations: ['68/4=17', '36-5=31'] Exploring Operation: 17*31=527, Resulting Numbers: [527] 527,20 unequal: No Solution Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,20 unequal: No Solution Exploring Operation: 17+31=48, Resulting Numbers: [48] 48,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 20:[36, 22], Operations: ['68/4=17', '5+17=22'] Exploring Operation: 36+22=58, Resulting Numbers: [58] 58,20 unequal: No Solution Exploring Operation: 36*22=792, Resulting Numbers: [792] 792,20 unequal: No Solution Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 20:[36, 12], Operations: ['68/4=17', '17-5=12'] Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,20 unequal: No Solution Exploring Operation: 36*12=432, Resulting Numbers: [432] 432,20 unequal: No Solution Exploring Operation: 36+12=48, Resulting Numbers: [48] 48,20 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 20:[17, 41], Operations: ['68/4=17', '5+36=41'] Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,20 unequal: No Solution Exploring Operation: 17+41=58, Resulting Numbers: [58] 58,20 unequal: No Solution Exploring Operation: 17*41=697, Resulting Numbers: [697] 697,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 20:[68, 5, 9], Operations: ['36/4=9'] Exploring Operation: 5+9=14, Resulting Numbers: [68, 14] Generated Node #0,4,0: 20:[68, 14] Operation: 5+9=14 Exploring Operation: 9-5=4, Resulting Numbers: [68, 4] Generated Node #0,4,1: 20:[68, 4] Operation: 9-5=4 Exploring Operation: 68+5=73, Resulting Numbers: [9, 73] Generated Node #0,4,2: 20:[9, 73] Operation: 68+5=73 Exploring Operation: 68-9=59, Resulting Numbers: [5, 59] Generated Node #0,4,3: 20:[5, 59] Operation: 68-9=59 Exploring Operation: 68-5=63, Resulting Numbers: [9, 63] Generated Node #0,4,4: 20:[9, 63] Operation: 68-5=63 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 20:[5, 59], Operations: ['36/4=9', '68-9=59'] Exploring Operation: 5+59=64, Resulting Numbers: [64] 64,20 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,20 unequal: No Solution Exploring Operation: 5*59=295, Resulting Numbers: [295] 295,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 20:[9, 63], Operations: ['36/4=9', '68-5=63'] Exploring Operation: 9*63=567, Resulting Numbers: [567] 567,20 unequal: No Solution Exploring Operation: 63/9=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,20 unequal: No Solution Exploring Operation: 9+63=72, Resulting Numbers: [72] 72,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 20:[68, 4], Operations: ['36/4=9', '9-5=4'] Exploring Operation: 68*4=272, Resulting Numbers: [272] 272,20 unequal: No Solution Exploring Operation: 68-4=64, Resulting Numbers: [64] 64,20 unequal: No Solution Exploring Operation: 68/4=17, Resulting Numbers: [17] 17,20 unequal: No Solution Exploring Operation: 68+4=72, Resulting Numbers: [72] 72,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 20:[68, 14], Operations: ['36/4=9', '5+9=14'] Exploring Operation: 68+14=82, Resulting Numbers: [82] 82,20 unequal: No Solution Exploring Operation: 68*14=952, Resulting Numbers: [952] 952,20 unequal: No Solution Exploring Operation: 68-14=54, Resulting Numbers: [54] 54,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 20:[9, 73], Operations: ['36/4=9', '68+5=73'] Exploring Operation: 73-9=64, Resulting Numbers: [64] 64,20 unequal: No Solution Exploring Operation: 9+73=82, Resulting Numbers: [82] 82,20 unequal: No Solution Exploring Operation: 9*73=657, Resulting Numbers: [657] 657,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 20:[68, 4, 31], Operations: ['36-5=31'] Exploring Operation: 31-4=27, Resulting Numbers: [68, 27] Generated Node #0,0,0: 20:[68, 27] Operation: 31-4=27 Exploring Operation: 68/4=17, Resulting Numbers: [31, 17] Generated Node #0,0,1: 20:[31, 17] Operation: 68/4=17 Exploring Operation: 68+4=72, Resulting Numbers: [31, 72] Generated Node #0,0,2: 20:[31, 72] Operation: 68+4=72 Exploring Operation: 68-31=37, Resulting Numbers: [4, 37] Generated Node #0,0,3: 20:[4, 37] Operation: 68-31=37 Exploring Operation: 68-4=64, Resulting Numbers: [31, 64] Generated Node #0,0,4: 20:[31, 64] Operation: 68-4=64 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[31, 17], Operations: ['36-5=31', '68/4=17'] Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,20 unequal: No Solution Exploring Operation: 31+17=48, Resulting Numbers: [48] 48,20 unequal: No Solution Exploring Operation: 31*17=527, Resulting Numbers: [527] 527,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 20:[4, 37], Operations: ['36-5=31', '68-31=37'] Exploring Operation: 4*37=148, Resulting Numbers: [148] 148,20 unequal: No Solution Exploring Operation: 4+37=41, Resulting Numbers: [41] 41,20 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[68, 27], Operations: ['36-5=31', '31-4=27'] Exploring Operation: 68+27=95, Resulting Numbers: [95] 95,20 unequal: No Solution Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,20 unequal: No Solution Exploring Operation: 68*27=1836, Resulting Numbers: [1836] 1836,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 20:[31, 64], Operations: ['36-5=31', '68-4=64'] Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,20 unequal: No Solution Exploring Operation: 31*64=1984, Resulting Numbers: [1984] 1984,20 unequal: No Solution Exploring Operation: 31+64=95, Resulting Numbers: [95] 95,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 20:[31, 72], Operations: ['36-5=31', '68+4=72'] Exploring Operation: 31*72=2232, Resulting Numbers: [2232] 2232,20 unequal: No Solution Exploring Operation: 72-31=41, Resulting Numbers: [41] 41,20 unequal: No Solution Exploring Operation: 31+72=103, Resulting Numbers: [103] 103,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 20:[4, 36, 63], Operations: ['68-5=63'] Exploring Operation: 4+36=40, Resulting Numbers: [63, 40] Generated Node #0,3,0: 20:[63, 40] Operation: 4+36=40 Exploring Operation: 36-4=32, Resulting Numbers: [63, 32] Generated Node #0,3,1: 20:[63, 32] Operation: 36-4=32 Exploring Operation: 63-36=27, Resulting Numbers: [4, 27] Generated Node #0,3,2: 20:[4, 27] Operation: 63-36=27 Exploring Operation: 63-4=59, Resulting Numbers: [36, 59] Generated Node #0,3,3: 20:[36, 59] Operation: 63-4=59 Exploring Operation: 36/4=9, Resulting Numbers: [63, 9] Generated Node #0,3,4: 20:[63, 9] Operation: 36/4=9 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 20:[4, 27], Operations: ['68-5=63', '63-36=27'] Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,20 unequal: No Solution Exploring Operation: 4*27=108, Resulting Numbers: [108] 108,20 unequal: No Solution Exploring Operation: 4+27=31, Resulting Numbers: [31] 31,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 20:[63, 9], Operations: ['68-5=63', '36/4=9'] Exploring Operation: 63+9=72, Resulting Numbers: [72] 72,20 unequal: No Solution Exploring Operation: 63/9=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 63*9=567, Resulting Numbers: [567] 567,20 unequal: No Solution Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 20:[63, 32], Operations: ['68-5=63', '36-4=32'] Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 63*32=2016, Resulting Numbers: [2016] 2016,20 unequal: No Solution Exploring Operation: 63+32=95, Resulting Numbers: [95] 95,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 20:[36, 59], Operations: ['68-5=63', '63-4=59'] Exploring Operation: 59-36=23, Resulting Numbers: [23] 23,20 unequal: No Solution Exploring Operation: 36*59=2124, Resulting Numbers: [2124] 2124,20 unequal: No Solution Exploring Operation: 36+59=95, Resulting Numbers: [95] 95,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 20:[63, 40], Operations: ['68-5=63', '4+36=40'] Exploring Operation: 63*40=2520, Resulting Numbers: [2520] 2520,20 unequal: No Solution Exploring Operation: 63-40=23, Resulting Numbers: [23] 23,20 unequal: No Solution Exploring Operation: 63+40=103, Resulting Numbers: [103] 103,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 83, 65, 78, 90 ]
77
[ "83-78=5", "65/5=13", "90-13=77" ]
Current State: 77:[83, 65, 78, 90], Operations: [] Exploring Operation: 83-78=5, Resulting Numbers: [65, 90, 5] Generated Node #2: [65, 90, 5] from Operation: 83-78=5 Current State: 77:[65, 90, 5], Operations: ['83-78=5'] Exploring Operation: 65/5=13, Resulting Numbers: [90, 13] Generated Node #3: [90, 13] from Operation: 65/5=13 Current State: 77:[90, 13], Operations: ['83-78=5', '65/5=13'] Exploring Operation: 90-13=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[83, 65, 78, 90], Operations: [] Exploring Operation: 90-83=7, Resulting Numbers: [65, 78, 7] Generated Node #0,0: 77:[65, 78, 7] Operation: 90-83=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[65, 78, 7], Operations: ['90-83=7'] Exploring Operation: 78-65=13, Resulting Numbers: [7, 13] Generated Node #0,0,0: 77:[7, 13] Operation: 78-65=13 Moving to Node #0,0,0 Current State: 77:[7, 13], Operations: ['90-83=7', '78-65=13'] Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,77 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
[ 36, 21, 14, 53 ]
52
[ "36-21=15", "14+53=67", "67-15=52" ]
Current State: 52:[36, 21, 14, 53], Operations: [] Exploring Operation: 36-21=15, Resulting Numbers: [14, 53, 15] Generated Node #2: [14, 53, 15] from Operation: 36-21=15 Current State: 52:[14, 53, 15], Operations: ['36-21=15'] Exploring Operation: 14+53=67, Resulting Numbers: [15, 67] Generated Node #3: [15, 67] from Operation: 14+53=67 Current State: 52:[15, 67], Operations: ['36-21=15', '14+53=67'] Exploring Operation: 67-15=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[36, 21, 14, 53], Operations: [] Exploring Operation: 36+14=50, Resulting Numbers: [21, 53, 50] Generated Node #0,0: 52:[21, 53, 50] Operation: 36+14=50 Exploring Operation: 36+21=57, Resulting Numbers: [14, 53, 57] Generated Node #0,1: 52:[14, 53, 57] Operation: 36+21=57 Exploring Operation: 36-21=15, Resulting Numbers: [14, 53, 15] Generated Node #0,2: 52:[14, 53, 15] Operation: 36-21=15 Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[14, 53, 15], Operations: ['36-21=15'] Exploring Operation: 14+15=29, Resulting Numbers: [53, 29] Generated Node #0,2,0: 52:[53, 29] Operation: 14+15=29 Exploring Operation: 15-14=1, Resulting Numbers: [53, 1] Generated Node #0,2,1: 52:[53, 1] Operation: 15-14=1 Exploring Operation: 53-15=38, Resulting Numbers: [14, 38] Generated Node #0,2,2: 52:[14, 38] Operation: 53-15=38 Moving to Node #0,2,1 Current State: 52:[53, 1], Operations: ['36-21=15', '15-14=1'] Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,52 unequal: No Solution Exploring Operation: 53/1=53, Resulting Numbers: [53] 53,52 unequal: No Solution Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[36, 21, 14, 53], Operations: [] Exploring Operation: 36-21=15, Resulting Numbers: [14, 53, 15] Generated Node #0,2: 52:[14, 53, 15] Operation: 36-21=15 Moving to Node #0,2 Current State: 52:[14, 53, 15], Operations: ['36-21=15'] Exploring Operation: 15-14=1, Resulting Numbers: [53, 1] Generated Node #0,2,1: 52:[53, 1] Operation: 15-14=1 Moving to Node #0,2,1 Current State: 52:[53, 1], Operations: ['36-21=15', '15-14=1'] Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 28, 9, 35, 63 ]
61
[ "28+9=37", "35+63=98", "98-37=61" ]
Current State: 61:[28, 9, 35, 63], Operations: [] Exploring Operation: 28+9=37, Resulting Numbers: [35, 63, 37] Generated Node #2: [35, 63, 37] from Operation: 28+9=37 Current State: 61:[35, 63, 37], Operations: ['28+9=37'] Exploring Operation: 35+63=98, Resulting Numbers: [37, 98] Generated Node #3: [37, 98] from Operation: 35+63=98 Current State: 61:[37, 98], Operations: ['28+9=37', '35+63=98'] Exploring Operation: 98-37=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[28, 9, 35, 63], Operations: [] Exploring Operation: 9+35=44, Resulting Numbers: [28, 63, 44] Generated Node #0,0: 61:[28, 63, 44] Operation: 9+35=44 Exploring Operation: 28+35=63, Resulting Numbers: [9, 63, 63] Generated Node #0,1: 61:[9, 63, 63] Operation: 28+35=63 Exploring Operation: 28+9=37, Resulting Numbers: [35, 63, 37] Generated Node #0,2: 61:[35, 63, 37] Operation: 28+9=37 Exploring Operation: 63-9=54, Resulting Numbers: [28, 35, 54] Generated Node #0,3: 61:[28, 35, 54] Operation: 63-9=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[28, 63, 44], Operations: ['9+35=44'] Exploring Operation: 44-28=16, Resulting Numbers: [63, 16] Generated Node #0,0,0: 61:[63, 16] Operation: 44-28=16 Exploring Operation: 63-28=35, Resulting Numbers: [44, 35] Generated Node #0,0,1: 61:[44, 35] Operation: 63-28=35 Exploring Operation: 28+44=72, Resulting Numbers: [63, 72] Generated Node #0,0,2: 61:[63, 72] Operation: 28+44=72 Exploring Operation: 28+63=91, Resulting Numbers: [44, 91] Generated Node #0,0,3: 61:[44, 91] Operation: 28+63=91 Moving to Node #0,0,2 Current State: 61:[63, 72], Operations: ['9+35=44', '28+44=72'] Exploring Operation: 72-63=9, Resulting Numbers: [9] 9,61 unequal: No Solution Exploring Operation: 63+72=135, Resulting Numbers: [135] 135,61 unequal: No Solution Exploring Operation: 63*72=4536, Resulting Numbers: [4536] 4536,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[44, 35], Operations: ['9+35=44', '63-28=35'] Exploring Operation: 44+35=79, Resulting Numbers: [79] 79,61 unequal: No Solution Exploring Operation: 44*35=1540, Resulting Numbers: [1540] 1540,61 unequal: No Solution Exploring Operation: 44-35=9, Resulting Numbers: [9] 9,61 unequal: No Solution Moving to Node #0,0,3 Current State: 61:[44, 91], Operations: ['9+35=44', '28+63=91'] Exploring Operation: 44*91=4004, Resulting Numbers: [4004] 4004,61 unequal: No Solution Exploring Operation: 91-44=47, Resulting Numbers: [47] 47,61 unequal: No Solution Exploring Operation: 44+91=135, Resulting Numbers: [135] 135,61 unequal: No Solution Moving to Node #0,0,0 Current State: 61:[63, 16], Operations: ['9+35=44', '44-28=16'] Exploring Operation: 63-16=47, Resulting Numbers: [47] 47,61 unequal: No Solution Exploring Operation: 63+16=79, Resulting Numbers: [79] 79,61 unequal: No Solution Exploring Operation: 63*16=1008, Resulting Numbers: [1008] 1008,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[35, 63, 37], Operations: ['28+9=37'] Exploring Operation: 37-35=2, Resulting Numbers: [63, 2] Generated Node #0,2,0: 61:[63, 2] Operation: 37-35=2 Exploring Operation: 35+63=98, Resulting Numbers: [37, 98] Generated Node #0,2,1: 61:[37, 98] Operation: 35+63=98 Exploring Operation: 35+37=72, Resulting Numbers: [63, 72] Generated Node #0,2,2: 61:[63, 72] Operation: 35+37=72 Exploring Operation: 63-35=28, Resulting Numbers: [37, 28] Generated Node #0,2,3: 61:[37, 28] Operation: 63-35=28 Moving to Node #0,2,2 Current State: 61:[63, 72], Operations: ['28+9=37', '35+37=72'] Exploring Operation: 72-63=9, Resulting Numbers: [9] 9,61 unequal: No Solution Exploring Operation: 63*72=4536, Resulting Numbers: [4536] 4536,61 unequal: No Solution Exploring Operation: 63+72=135, Resulting Numbers: [135] 135,61 unequal: No Solution Moving to Node #0,2,3 Current State: 61:[37, 28], Operations: ['28+9=37', '63-35=28'] Exploring Operation: 37-28=9, Resulting Numbers: [9] 9,61 unequal: No Solution Exploring Operation: 37+28=65, Resulting Numbers: [65] 65,61 unequal: No Solution Exploring Operation: 37*28=1036, Resulting Numbers: [1036] 1036,61 unequal: No Solution Moving to Node #0,2,1 Current State: 61:[37, 98], Operations: ['28+9=37', '35+63=98'] Exploring Operation: 37*98=3626, Resulting Numbers: [3626] 3626,61 unequal: No Solution Exploring Operation: 98-37=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[28, 9, 35, 63], Operations: [] Exploring Operation: 28+9=37, Resulting Numbers: [35, 63, 37] Generated Node #0,2: 61:[35, 63, 37] Operation: 28+9=37 Moving to Node #0,2 Current State: 61:[35, 63, 37], Operations: ['28+9=37'] Exploring Operation: 35+63=98, Resulting Numbers: [37, 98] Generated Node #0,2,1: 61:[37, 98] Operation: 35+63=98 Moving to Node #0,2,1 Current State: 61:[37, 98], Operations: ['28+9=37', '35+63=98'] Exploring Operation: 98-37=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_4
sum_heuristic
[ 83, 10, 58, 81 ]
53
[ "83-81=2", "10/2=5", "58-5=53" ]
Current State: 53:[83, 10, 58, 81], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [10, 58, 2] Generated Node #2: [10, 58, 2] from Operation: 83-81=2 Current State: 53:[10, 58, 2], Operations: ['83-81=2'] Exploring Operation: 10/2=5, Resulting Numbers: [58, 5] Generated Node #3: [58, 5] from Operation: 10/2=5 Current State: 53:[58, 5], Operations: ['83-81=2', '10/2=5'] Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[83, 10, 58, 81], Operations: [] Exploring Operation: 83+10=93, Resulting Numbers: [58, 81, 93] Generated Node #0,0: 53:[58, 81, 93] Operation: 83+10=93 Exploring Operation: 81-10=71, Resulting Numbers: [83, 58, 71] Generated Node #0,1: 53:[83, 58, 71] Operation: 81-10=71 Exploring Operation: 83-10=73, Resulting Numbers: [58, 81, 73] Generated Node #0,2: 53:[58, 81, 73] Operation: 83-10=73 Exploring Operation: 58-10=48, Resulting Numbers: [83, 81, 48] Generated Node #0,3: 53:[83, 81, 48] Operation: 58-10=48 Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[83, 58, 71], Operations: ['81-10=71'] Exploring Operation: 83-71=12, Resulting Numbers: [58, 12] Generated Node #0,1,0: 53:[58, 12] Operation: 83-71=12 Exploring Operation: 71-58=13, Resulting Numbers: [83, 13] Generated Node #0,1,1: 53:[83, 13] Operation: 71-58=13 Exploring Operation: 83+58=141, Resulting Numbers: [71, 141] Generated Node #0,1,2: 53:[71, 141] Operation: 83+58=141 Exploring Operation: 83-58=25, Resulting Numbers: [71, 25] Generated Node #0,1,3: 53:[71, 25] Operation: 83-58=25 Moving to Node #0,1,0 Current State: 53:[58, 12], Operations: ['81-10=71', '83-71=12'] Exploring Operation: 58+12=70, Resulting Numbers: [70] 70,53 unequal: No Solution Exploring Operation: 58*12=696, Resulting Numbers: [696] 696,53 unequal: No Solution Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,53 unequal: No Solution Moving to Node #0,1,3 Current State: 53:[71, 25], Operations: ['81-10=71', '83-58=25'] Exploring Operation: 71*25=1775, Resulting Numbers: [1775] 1775,53 unequal: No Solution Exploring Operation: 71-25=46, Resulting Numbers: [46] 46,53 unequal: No Solution Exploring Operation: 71+25=96, Resulting Numbers: [96] 96,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[83, 13], Operations: ['81-10=71', '71-58=13'] Exploring Operation: 83*13=1079, Resulting Numbers: [1079] 1079,53 unequal: No Solution Exploring Operation: 83+13=96, Resulting Numbers: [96] 96,53 unequal: No Solution Exploring Operation: 83-13=70, Resulting Numbers: [70] 70,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[71, 141], Operations: ['81-10=71', '83+58=141'] Exploring Operation: 71*141=10011, Resulting Numbers: [10011] 10011,53 unequal: No Solution Exploring Operation: 141-71=70, Resulting Numbers: [70] 70,53 unequal: No Solution Exploring Operation: 71+141=212, Resulting Numbers: [212] 212,53 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:[58, 81, 73], Operations: ['83-10=73'] Exploring Operation: 81-58=23, Resulting Numbers: [73, 23] Generated Node #0,2,0: 53:[73, 23] Operation: 81-58=23 Exploring Operation: 73-58=15, Resulting Numbers: [81, 15] Generated Node #0,2,1: 53:[81, 15] Operation: 73-58=15 Exploring Operation: 81-73=8, Resulting Numbers: [58, 8] Generated Node #0,2,2: 53:[58, 8] Operation: 81-73=8 Exploring Operation: 58+81=139, Resulting Numbers: [73, 139] Generated Node #0,2,3: 53:[73, 139] Operation: 58+81=139 Moving to Node #0,2,0 Current State: 53:[73, 23], Operations: ['83-10=73', '81-58=23'] Exploring Operation: 73+23=96, Resulting Numbers: [96] 96,53 unequal: No Solution Exploring Operation: 73-23=50, Resulting Numbers: [50] 50,53 unequal: No Solution Exploring Operation: 73*23=1679, Resulting Numbers: [1679] 1679,53 unequal: No Solution Moving to Node #0,2,2 Current State: 53:[58, 8], Operations: ['83-10=73', '81-73=8'] Exploring Operation: 58+8=66, Resulting Numbers: [66] 66,53 unequal: No Solution Exploring Operation: 58*8=464, Resulting Numbers: [464] 464,53 unequal: No Solution Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[81, 15], Operations: ['83-10=73', '73-58=15'] Exploring Operation: 81-15=66, Resulting Numbers: [66] 66,53 unequal: No Solution Exploring Operation: 81+15=96, Resulting Numbers: [96] 96,53 unequal: No Solution Exploring Operation: 81*15=1215, Resulting Numbers: [1215] 1215,53 unequal: No Solution Moving to Node #0,2,3 Current State: 53:[73, 139], Operations: ['83-10=73', '58+81=139'] Exploring Operation: 73*139=10147, Resulting Numbers: [10147] 10147,53 unequal: No Solution Exploring Operation: 139-73=66, Resulting Numbers: [66] 66,53 unequal: No Solution Exploring Operation: 73+139=212, Resulting Numbers: [212] 212,53 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:[83, 81, 48], Operations: ['58-10=48'] Exploring Operation: 83-81=2, Resulting Numbers: [48, 2] Generated Node #0,3,0: 53:[48, 2] Operation: 83-81=2 Exploring Operation: 83-48=35, Resulting Numbers: [81, 35] Generated Node #0,3,1: 53:[81, 35] Operation: 83-48=35 Exploring Operation: 83+48=131, Resulting Numbers: [81, 131] Generated Node #0,3,2: 53:[81, 131] Operation: 83+48=131 Exploring Operation: 81-48=33, Resulting Numbers: [83, 33] Generated Node #0,3,3: 53:[83, 33] Operation: 81-48=33 Moving to Node #0,3,1 Current State: 53:[81, 35], Operations: ['58-10=48', '83-48=35'] Exploring Operation: 81-35=46, Resulting Numbers: [46] 46,53 unequal: No Solution Exploring Operation: 81+35=116, Resulting Numbers: [116] 116,53 unequal: No Solution Exploring Operation: 81*35=2835, Resulting Numbers: [2835] 2835,53 unequal: No Solution Moving to Node #0,3,3 Current State: 53:[83, 33], Operations: ['58-10=48', '81-48=33'] Exploring Operation: 83*33=2739, Resulting Numbers: [2739] 2739,53 unequal: No Solution Exploring Operation: 83+33=116, Resulting Numbers: [116] 116,53 unequal: No Solution Exploring Operation: 83-33=50, Resulting Numbers: [50] 50,53 unequal: No Solution Moving to Node #0,3,0 Current State: 53:[48, 2], Operations: ['58-10=48', '83-81=2'] Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,53 unequal: No Solution Exploring Operation: 48+2=50, Resulting Numbers: [50] 50,53 unequal: No Solution Exploring Operation: 48*2=96, Resulting Numbers: [96] 96,53 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,53 unequal: No Solution Moving to Node #0,3,2 Current State: 53:[81, 131], Operations: ['58-10=48', '83+48=131'] Exploring Operation: 81*131=10611, Resulting Numbers: [10611] 10611,53 unequal: No Solution Exploring Operation: 81+131=212, Resulting Numbers: [212] 212,53 unequal: No Solution Exploring Operation: 131-81=50, Resulting Numbers: [50] 50,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[58, 81, 93], Operations: ['83+10=93'] Exploring Operation: 58+81=139, Resulting Numbers: [93, 139] Generated Node #0,0,0: 53:[93, 139] Operation: 58+81=139 Exploring Operation: 93-81=12, Resulting Numbers: [58, 12] Generated Node #0,0,1: 53:[58, 12] Operation: 93-81=12 Exploring Operation: 93-58=35, Resulting Numbers: [81, 35] Generated Node #0,0,2: 53:[81, 35] Operation: 93-58=35 Exploring Operation: 81-58=23, Resulting Numbers: [93, 23] Generated Node #0,0,3: 53:[93, 23] Operation: 81-58=23 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[58, 12], Operations: ['83+10=93', '93-81=12'] Exploring Operation: 58*12=696, Resulting Numbers: [696] 696,53 unequal: No Solution Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,53 unequal: No Solution Exploring Operation: 58+12=70, Resulting Numbers: [70] 70,53 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:[81, 35], Operations: ['83+10=93', '93-58=35'] Exploring Operation: 81-35=46, Resulting Numbers: [46] 46,53 unequal: No Solution Exploring Operation: 81*35=2835, Resulting Numbers: [2835] 2835,53 unequal: No Solution Exploring Operation: 81+35=116, Resulting Numbers: [116] 116,53 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:[93, 23], Operations: ['83+10=93', '81-58=23'] Exploring Operation: 93+23=116, Resulting Numbers: [116] 116,53 unequal: No Solution Exploring Operation: 93*23=2139, Resulting Numbers: [2139] 2139,53 unequal: No Solution Exploring Operation: 93-23=70, Resulting Numbers: [70] 70,53 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 #0,0,0 Current State: 53:[93, 139], Operations: ['83+10=93', '58+81=139'] Exploring Operation: 139-93=46, Resulting Numbers: [46] 46,53 unequal: No Solution Exploring Operation: 93+139=232, Resulting Numbers: [232] 232,53 unequal: No Solution Exploring Operation: 93*139=12927, Resulting Numbers: [12927] 12927,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 6, 4, 12, 43 ]
65
[ "6+4=10", "12+43=55", "10+55=65" ]
Current State: 65:[6, 4, 12, 43], Operations: [] Exploring Operation: 6+4=10, Resulting Numbers: [12, 43, 10] Generated Node #2: [12, 43, 10] from Operation: 6+4=10 Current State: 65:[12, 43, 10], Operations: ['6+4=10'] Exploring Operation: 12+43=55, Resulting Numbers: [10, 55] Generated Node #3: [10, 55] from Operation: 12+43=55 Current State: 65:[10, 55], Operations: ['6+4=10', '12+43=55'] Exploring Operation: 10+55=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[6, 4, 12, 43], Operations: [] Exploring Operation: 4+43=47, Resulting Numbers: [6, 12, 47] Generated Node #0,0: 65:[6, 12, 47] Operation: 4+43=47 Exploring Operation: 6+43=49, Resulting Numbers: [4, 12, 49] Generated Node #0,1: 65:[4, 12, 49] Operation: 6+43=49 Exploring Operation: 12+43=55, Resulting Numbers: [6, 4, 55] Generated Node #0,2: 65:[6, 4, 55] Operation: 12+43=55 Moving to Node #0,2 Current State: 65:[6, 4, 55], Operations: ['12+43=55'] Exploring Operation: 4+55=59, Resulting Numbers: [6, 59] Generated Node #0,2,0: 65:[6, 59] Operation: 4+55=59 Exploring Operation: 6+55=61, Resulting Numbers: [4, 61] Generated Node #0,2,1: 65:[4, 61] Operation: 6+55=61 Exploring Operation: 6+4=10, Resulting Numbers: [55, 10] Generated Node #0,2,2: 65:[55, 10] Operation: 6+4=10 Moving to Node #0,1 Current State: 65:[4, 12, 49], Operations: ['6+43=49'] Exploring Operation: 4+49=53, Resulting Numbers: [12, 53] Generated Node #0,1,0: 65:[12, 53] Operation: 4+49=53 Exploring Operation: 12/4=3, Resulting Numbers: [49, 3] Generated Node #0,1,1: 65:[49, 3] Operation: 12/4=3 Exploring Operation: 12+49=61, Resulting Numbers: [4, 61] Generated Node #0,1,2: 65:[4, 61] Operation: 12+49=61 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 65:[4, 61], Operations: ['6+43=49', '12+49=61'] Exploring Operation: 4*61=244, Resulting Numbers: [244] 244,65 unequal: No Solution Exploring Operation: 4+61=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[6, 4, 12, 43], Operations: [] Exploring Operation: 6+43=49, Resulting Numbers: [4, 12, 49] Generated Node #0,1: 65:[4, 12, 49] Operation: 6+43=49 Moving to Node #0,1 Current State: 65:[4, 12, 49], Operations: ['6+43=49'] Exploring Operation: 12+49=61, Resulting Numbers: [4, 61] Generated Node #0,1,2: 65:[4, 61] Operation: 12+49=61 Moving to Node #0,1,2 Current State: 65:[4, 61], Operations: ['6+43=49', '12+49=61'] Exploring Operation: 4+61=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 4, 8, 30, 36 ]
47
[ "36/4=9", "8+30=38", "9+38=47" ]
Current State: 47:[4, 8, 30, 36], Operations: [] Exploring Operation: 36/4=9, Resulting Numbers: [8, 30, 9] Generated Node #2: [8, 30, 9] from Operation: 36/4=9 Current State: 47:[8, 30, 9], Operations: ['36/4=9'] Exploring Operation: 8+30=38, Resulting Numbers: [9, 38] Generated Node #3: [9, 38] from Operation: 8+30=38 Current State: 47:[9, 38], Operations: ['36/4=9', '8+30=38'] Exploring Operation: 9+38=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[4, 8, 30, 36], Operations: [] Exploring Operation: 8+30=38, Resulting Numbers: [4, 36, 38] Generated Node #0,0: 47:[4, 36, 38] Operation: 8+30=38 Exploring Operation: 4+30=34, Resulting Numbers: [8, 36, 34] Generated Node #0,1: 47:[8, 36, 34] Operation: 4+30=34 Exploring Operation: 4+36=40, Resulting Numbers: [8, 30, 40] Generated Node #0,2: 47:[8, 30, 40] Operation: 4+36=40 Exploring Operation: 4*8=32, Resulting Numbers: [30, 36, 32] Generated Node #0,3: 47:[30, 36, 32] Operation: 4*8=32 Exploring Operation: 4+8=12, Resulting Numbers: [30, 36, 12] Generated Node #0,4: 47:[30, 36, 12] Operation: 4+8=12 Start Sub Search at level 1: Moving to Node #0,3 Current State: 47:[30, 36, 32], Operations: ['4*8=32'] Exploring Operation: 36+32=68, Resulting Numbers: [30, 68] Generated Node #0,3,0: 47:[30, 68] Operation: 36+32=68 Exploring Operation: 32-30=2, Resulting Numbers: [36, 2] Generated Node #0,3,1: 47:[36, 2] Operation: 32-30=2 Exploring Operation: 36-30=6, Resulting Numbers: [32, 6] Generated Node #0,3,2: 47:[32, 6] Operation: 36-30=6 Exploring Operation: 30+36=66, Resulting Numbers: [32, 66] Generated Node #0,3,3: 47:[32, 66] Operation: 30+36=66 Exploring Operation: 30+32=62, Resulting Numbers: [36, 62] Generated Node #0,3,4: 47:[36, 62] Operation: 30+32=62 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 47:[36, 62], Operations: ['4*8=32', '30+32=62'] Exploring Operation: 36*62=2232, Resulting Numbers: [2232] 2232,47 unequal: No Solution Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,47 unequal: No Solution Exploring Operation: 36+62=98, Resulting Numbers: [98] 98,47 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 #0,3,3 Current State: 47:[32, 66], Operations: ['4*8=32', '30+36=66'] Exploring Operation: 66-32=34, Resulting Numbers: [34] 34,47 unequal: No Solution Exploring Operation: 32+66=98, Resulting Numbers: [98] 98,47 unequal: No Solution Exploring Operation: 32*66=2112, Resulting Numbers: [2112] 2112,47 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 #0,3,0 Current State: 47:[30, 68], Operations: ['4*8=32', '36+32=68'] Exploring Operation: 30*68=2040, Resulting Numbers: [2040] 2040,47 unequal: No Solution Exploring Operation: 68-30=38, Resulting Numbers: [38] 38,47 unequal: No Solution Exploring Operation: 30+68=98, Resulting Numbers: [98] 98,47 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 #0,3,1 Current State: 47:[36, 2], Operations: ['4*8=32', '32-30=2'] Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,47 unequal: No Solution Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,47 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,47 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,47 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 #0,3,2 Current State: 47:[32, 6], Operations: ['4*8=32', '36-30=6'] Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,47 unequal: No Solution Exploring Operation: 32*6=192, Resulting Numbers: [192] 192,47 unequal: No Solution Exploring Operation: 32+6=38, Resulting Numbers: [38] 38,47 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 #0,0 Current State: 47:[4, 36, 38], Operations: ['8+30=38'] Exploring Operation: 4+38=42, Resulting Numbers: [36, 42] Generated Node #0,0,0: 47:[36, 42] Operation: 4+38=42 Exploring Operation: 36/4=9, Resulting Numbers: [38, 9] Generated Node #0,0,1: 47:[38, 9] Operation: 36/4=9 Exploring Operation: 38-4=34, Resulting Numbers: [36, 34] Generated Node #0,0,2: 47:[36, 34] Operation: 38-4=34 Exploring Operation: 36-4=32, Resulting Numbers: [38, 32] Generated Node #0,0,3: 47:[38, 32] Operation: 36-4=32 Exploring Operation: 4+36=40, Resulting Numbers: [38, 40] Generated Node #0,0,4: 47:[38, 40] Operation: 4+36=40 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[36, 42], Operations: ['8+30=38', '4+38=42'] Exploring Operation: 36*42=1512, Resulting Numbers: [1512] 1512,47 unequal: No Solution Exploring Operation: 42-36=6, Resulting Numbers: [6] 6,47 unequal: No Solution Exploring Operation: 36+42=78, Resulting Numbers: [78] 78,47 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 #0,0,4 Current State: 47:[38, 40], Operations: ['8+30=38', '4+36=40'] Exploring Operation: 40-38=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 38+40=78, Resulting Numbers: [78] 78,47 unequal: No Solution Exploring Operation: 38*40=1520, Resulting Numbers: [1520] 1520,47 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 #0,0,2 Current State: 47:[36, 34], Operations: ['8+30=38', '38-4=34'] Exploring Operation: 36*34=1224, Resulting Numbers: [1224] 1224,47 unequal: No Solution Exploring Operation: 36+34=70, Resulting Numbers: [70] 70,47 unequal: No Solution Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,47 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 #0,0,3 Current State: 47:[38, 32], Operations: ['8+30=38', '36-4=32'] Exploring Operation: 38+32=70, Resulting Numbers: [70] 70,47 unequal: No Solution Exploring Operation: 38*32=1216, Resulting Numbers: [1216] 1216,47 unequal: No Solution Exploring Operation: 38-32=6, Resulting Numbers: [6] 6,47 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 #0,0,1 Current State: 47:[38, 9], Operations: ['8+30=38', '36/4=9'] Exploring Operation: 38*9=342, Resulting Numbers: [342] 342,47 unequal: No Solution Exploring Operation: 38-9=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 38+9=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[4, 8, 30, 36], Operations: [] Exploring Operation: 8+30=38, Resulting Numbers: [4, 36, 38] Generated Node #0,0: 47:[4, 36, 38] Operation: 8+30=38 Moving to Node #0,0 Current State: 47:[4, 36, 38], Operations: ['8+30=38'] Exploring Operation: 36/4=9, Resulting Numbers: [38, 9] Generated Node #0,0,1: 47:[38, 9] Operation: 36/4=9 Moving to Node #0,0,1 Current State: 47:[38, 9], Operations: ['8+30=38', '36/4=9'] Exploring Operation: 38+9=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.956597
hs_5
mult_heuristic
[ 4, 46, 88, 35 ]
32
[ "4*88=352", "46-35=11", "352/11=32" ]
Current State: 32:[4, 46, 88, 35], Operations: [] Exploring Operation: 4*88=352, Resulting Numbers: [46, 35, 352] Generated Node #2: [46, 35, 352] from Operation: 4*88=352 Current State: 32:[46, 35, 352], Operations: ['4*88=352'] Exploring Operation: 46-35=11, Resulting Numbers: [352, 11] Generated Node #3: [352, 11] from Operation: 46-35=11 Current State: 32:[352, 11], Operations: ['4*88=352', '46-35=11'] Exploring Operation: 352/11=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[4, 46, 88, 35], Operations: [] Exploring Operation: 88-46=42, Resulting Numbers: [4, 35, 42] Generated Node #0,0: 32:[4, 35, 42] Operation: 88-46=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[4, 35, 42], Operations: ['88-46=42'] Exploring Operation: 42-35=7, Resulting Numbers: [4, 7] Generated Node #0,0,0: 32:[4, 7] Operation: 42-35=7 Moving to Node #0,0,0 Current State: 32:[4, 7], Operations: ['88-46=42', '42-35=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,32 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
[ 35, 27, 6, 32 ]
10
[ "35-27=8", "32/8=4", "6+4=10" ]
Current State: 10:[35, 27, 6, 32], Operations: [] Exploring Operation: 35-27=8, Resulting Numbers: [6, 32, 8] Generated Node #2: [6, 32, 8] from Operation: 35-27=8 Current State: 10:[6, 32, 8], Operations: ['35-27=8'] Exploring Operation: 32/8=4, Resulting Numbers: [6, 4] Generated Node #3: [6, 4] from Operation: 32/8=4 Current State: 10:[6, 4], Operations: ['35-27=8', '32/8=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[35, 27, 6, 32], Operations: [] Exploring Operation: 35-6=29, Resulting Numbers: [27, 32, 29] Generated Node #0,0: 10:[27, 32, 29] Operation: 35-6=29 Exploring Operation: 27-6=21, Resulting Numbers: [35, 32, 21] Generated Node #0,1: 10:[35, 32, 21] Operation: 27-6=21 Exploring Operation: 35-32=3, Resulting Numbers: [27, 6, 3] Generated Node #0,2: 10:[27, 6, 3] Operation: 35-32=3 Exploring Operation: 35-27=8, Resulting Numbers: [6, 32, 8] Generated Node #0,3: 10:[6, 32, 8] Operation: 35-27=8 Exploring Operation: 32-27=5, Resulting Numbers: [35, 6, 5] Generated Node #0,4: 10:[35, 6, 5] Operation: 32-27=5 Moving to Node #0,2 Current State: 10:[27, 6, 3], Operations: ['35-32=3'] Exploring Operation: 6+3=9, Resulting Numbers: [27, 9] Generated Node #0,2,0: 10:[27, 9] Operation: 6+3=9 Exploring Operation: 27/3=9, Resulting Numbers: [6, 9] Generated Node #0,2,1: 10:[6, 9] Operation: 27/3=9 Exploring Operation: 6/3=2, Resulting Numbers: [27, 2] Generated Node #0,2,2: 10:[27, 2] Operation: 6/3=2 Exploring Operation: 27-6=21, Resulting Numbers: [3, 21] Generated Node #0,2,3: 10:[3, 21] Operation: 27-6=21 Exploring Operation: 27-3=24, Resulting Numbers: [6, 24] Generated Node #0,2,4: 10:[6, 24] Operation: 27-3=24 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 10:[6, 9], Operations: ['35-32=3', '27/3=9'] Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,10 unequal: No Solution Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 6+9=15, Resulting Numbers: [15] 15,10 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 #0,2,3 Current State: 10:[3, 21], Operations: ['35-32=3', '27-6=21'] Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,10 unequal: No Solution Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,10 unequal: No Solution Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,10 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 #0,2,4 Current State: 10:[6, 24], Operations: ['35-32=3', '27-3=24'] Exploring Operation: 6*24=144, Resulting Numbers: [144] 144,10 unequal: No Solution Exploring Operation: 6+24=30, Resulting Numbers: [30] 30,10 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,10 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,10 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 #0,2,2 Current State: 10:[27, 2], Operations: ['35-32=3', '6/3=2'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,10 unequal: No Solution Exploring Operation: 27*2=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 27+2=29, Resulting Numbers: [29] 29,10 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 #0,2,0 Current State: 10:[27, 9], Operations: ['35-32=3', '6+3=9'] Exploring Operation: 27*9=243, Resulting Numbers: [243] 243,10 unequal: No Solution Exploring Operation: 27+9=36, Resulting Numbers: [36] 36,10 unequal: No Solution Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,10 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:[6, 32, 8], Operations: ['35-27=8'] Exploring Operation: 6+8=14, Resulting Numbers: [32, 14] Generated Node #0,3,0: 10:[32, 14] Operation: 6+8=14 Exploring Operation: 32-6=26, Resulting Numbers: [8, 26] Generated Node #0,3,1: 10:[8, 26] Operation: 32-6=26 Exploring Operation: 32-8=24, Resulting Numbers: [6, 24] Generated Node #0,3,2: 10:[6, 24] Operation: 32-8=24 Exploring Operation: 8-6=2, Resulting Numbers: [32, 2] Generated Node #0,3,3: 10:[32, 2] Operation: 8-6=2 Exploring Operation: 32/8=4, Resulting Numbers: [6, 4] Generated Node #0,3,4: 10:[6, 4] Operation: 32/8=4 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 10:[6, 4], Operations: ['35-27=8', '32/8=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[35, 27, 6, 32], Operations: [] Exploring Operation: 35-27=8, Resulting Numbers: [6, 32, 8] Generated Node #0,3: 10:[6, 32, 8] Operation: 35-27=8 Moving to Node #0,3 Current State: 10:[6, 32, 8], Operations: ['35-27=8'] Exploring Operation: 32/8=4, Resulting Numbers: [6, 4] Generated Node #0,3,4: 10:[6, 4] Operation: 32/8=4 Moving to Node #0,3,4 Current State: 10:[6, 4], Operations: ['35-27=8', '32/8=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 21, 55, 72, 83 ]
45
[ "55-21=34", "83-72=11", "34+11=45" ]
Current State: 45:[21, 55, 72, 83], Operations: [] Exploring Operation: 55-21=34, Resulting Numbers: [72, 83, 34] Generated Node #2: [72, 83, 34] from Operation: 55-21=34 Current State: 45:[72, 83, 34], Operations: ['55-21=34'] Exploring Operation: 83-72=11, Resulting Numbers: [34, 11] Generated Node #3: [34, 11] from Operation: 83-72=11 Current State: 45:[34, 11], Operations: ['55-21=34', '83-72=11'] Exploring Operation: 34+11=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[21, 55, 72, 83], Operations: [] Exploring Operation: 83-72=11, Resulting Numbers: [21, 55, 11] Generated Node #0,0: 45:[21, 55, 11] Operation: 83-72=11 Moving to Node #0,0 Current State: 45:[21, 55, 11], Operations: ['83-72=11'] Exploring Operation: 55/11=5, Resulting Numbers: [21, 5] Generated Node #0,0,0: 45:[21, 5] Operation: 55/11=5 Moving to Node #0,0,0 Current State: 45:[21, 5], Operations: ['83-72=11', '55/11=5'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,45 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 8, 33, 63, 61 ]
17
[ "63-61=2", "8*2=16", "33-16=17" ]
Current State: 17:[8, 33, 63, 61], Operations: [] Exploring Operation: 63-61=2, Resulting Numbers: [8, 33, 2] Generated Node #2: [8, 33, 2] from Operation: 63-61=2 Current State: 17:[8, 33, 2], Operations: ['63-61=2'] Exploring Operation: 8*2=16, Resulting Numbers: [33, 16] Generated Node #3: [33, 16] from Operation: 8*2=16 Current State: 17:[33, 16], Operations: ['63-61=2', '8*2=16'] Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[8, 33, 63, 61], Operations: [] Exploring Operation: 63-33=30, Resulting Numbers: [8, 61, 30] Generated Node #0,0: 17:[8, 61, 30] Operation: 63-33=30 Exploring Operation: 63-61=2, Resulting Numbers: [8, 33, 2] Generated Node #0,1: 17:[8, 33, 2] Operation: 63-61=2 Exploring Operation: 61-33=28, Resulting Numbers: [8, 63, 28] Generated Node #0,2: 17:[8, 63, 28] Operation: 61-33=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[8, 33, 2], Operations: ['63-61=2'] Exploring Operation: 8+2=10, Resulting Numbers: [33, 10] Generated Node #0,1,0: 17:[33, 10] Operation: 8+2=10 Exploring Operation: 33-8=25, Resulting Numbers: [2, 25] Generated Node #0,1,1: 17:[2, 25] Operation: 33-8=25 Exploring Operation: 8*2=16, Resulting Numbers: [33, 16] Generated Node #0,1,2: 17:[33, 16] Operation: 8*2=16 Moving to Node #0,1,2 Current State: 17:[33, 16], Operations: ['63-61=2', '8*2=16'] Exploring Operation: 33+16=49, Resulting Numbers: [49] 49,17 unequal: No Solution Exploring Operation: 33*16=528, Resulting Numbers: [528] 528,17 unequal: No Solution Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[8, 33, 63, 61], Operations: [] Exploring Operation: 63-61=2, Resulting Numbers: [8, 33, 2] Generated Node #0,1: 17:[8, 33, 2] Operation: 63-61=2 Moving to Node #0,1 Current State: 17:[8, 33, 2], Operations: ['63-61=2'] Exploring Operation: 8*2=16, Resulting Numbers: [33, 16] Generated Node #0,1,2: 17:[33, 16] Operation: 8*2=16 Moving to Node #0,1,2 Current State: 17:[33, 16], Operations: ['63-61=2', '8*2=16'] Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 54, 4, 5, 7 ]
48
[ "54-4=50", "7-5=2", "50-2=48" ]
Current State: 48:[54, 4, 5, 7], Operations: [] Exploring Operation: 54-4=50, Resulting Numbers: [5, 7, 50] Generated Node #2: [5, 7, 50] from Operation: 54-4=50 Current State: 48:[5, 7, 50], Operations: ['54-4=50'] Exploring Operation: 7-5=2, Resulting Numbers: [50, 2] Generated Node #3: [50, 2] from Operation: 7-5=2 Current State: 48:[50, 2], Operations: ['54-4=50', '7-5=2'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[54, 4, 5, 7], Operations: [] Exploring Operation: 54-4=50, Resulting Numbers: [5, 7, 50] Generated Node #0,0: 48:[5, 7, 50] Operation: 54-4=50 Exploring Operation: 54-5=49, Resulting Numbers: [4, 7, 49] Generated Node #0,1: 48:[4, 7, 49] Operation: 54-5=49 Exploring Operation: 54-7=47, Resulting Numbers: [4, 5, 47] Generated Node #0,2: 48:[4, 5, 47] Operation: 54-7=47 Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[4, 7, 49], Operations: ['54-5=49'] Exploring Operation: 49/7=7, Resulting Numbers: [4, 7] Generated Node #0,1,0: 48:[4, 7] Operation: 49/7=7 Exploring Operation: 7-4=3, Resulting Numbers: [49, 3] Generated Node #0,1,1: 48:[49, 3] Operation: 7-4=3 Exploring Operation: 4+7=11, Resulting Numbers: [49, 11] Generated Node #0,1,2: 48:[49, 11] Operation: 4+7=11 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 48:[4, 7], Operations: ['54-5=49', '49/7=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,48 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 48:[49, 3], Operations: ['54-5=49', '7-4=3'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,48 unequal: No Solution Exploring Operation: 49*3=147, Resulting Numbers: [147] 147,48 unequal: No Solution Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 48:[49, 11], Operations: ['54-5=49', '4+7=11'] Exploring Operation: 49+11=60, Resulting Numbers: [60] 60,48 unequal: No Solution Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,48 unequal: No Solution Exploring Operation: 49*11=539, Resulting Numbers: [539] 539,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[4, 5, 47], Operations: ['54-7=47'] Exploring Operation: 4+5=9, Resulting Numbers: [47, 9] Generated Node #0,2,0: 48:[47, 9] Operation: 4+5=9 Exploring Operation: 5-4=1, Resulting Numbers: [47, 1] Generated Node #0,2,1: 48:[47, 1] Operation: 5-4=1 Exploring Operation: 4+47=51, Resulting Numbers: [5, 51] Generated Node #0,2,2: 48:[5, 51] Operation: 4+47=51 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 48:[47, 9], Operations: ['54-7=47', '4+5=9'] Exploring Operation: 47+9=56, Resulting Numbers: [56] 56,48 unequal: No Solution Exploring Operation: 47-9=38, Resulting Numbers: [38] 38,48 unequal: No Solution Exploring Operation: 47*9=423, Resulting Numbers: [423] 423,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 48:[47, 1], Operations: ['54-7=47', '5-4=1'] Exploring Operation: 47+1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[54, 4, 5, 7], Operations: [] Exploring Operation: 54-7=47, Resulting Numbers: [4, 5, 47] Generated Node #0,2: 48:[4, 5, 47] Operation: 54-7=47 Moving to Node #0,2 Current State: 48:[4, 5, 47], Operations: ['54-7=47'] Exploring Operation: 5-4=1, Resulting Numbers: [47, 1] Generated Node #0,2,1: 48:[47, 1] Operation: 5-4=1 Moving to Node #0,2,1 Current State: 48:[47, 1], Operations: ['54-7=47', '5-4=1'] Exploring Operation: 47+1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 80, 50, 27, 81 ]
70
[ "50*81=4050", "4050/27=150", "150-80=70" ]
Current State: 70:[80, 50, 27, 81], Operations: [] Exploring Operation: 50*81=4050, Resulting Numbers: [80, 27, 4050] Generated Node #2: [80, 27, 4050] from Operation: 50*81=4050 Current State: 70:[80, 27, 4050], Operations: ['50*81=4050'] Exploring Operation: 4050/27=150, Resulting Numbers: [80, 150] Generated Node #3: [80, 150] from Operation: 4050/27=150 Current State: 70:[80, 150], Operations: ['50*81=4050', '4050/27=150'] Exploring Operation: 150-80=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[80, 50, 27, 81], Operations: [] Exploring Operation: 81-50=31, Resulting Numbers: [80, 27, 31] Generated Node #0,0: 70:[80, 27, 31] Operation: 81-50=31 Exploring Operation: 80-50=30, Resulting Numbers: [27, 81, 30] Generated Node #0,1: 70:[27, 81, 30] Operation: 80-50=30 Exploring Operation: 81/27=3, Resulting Numbers: [80, 50, 3] Generated Node #0,2: 70:[80, 50, 3] Operation: 81/27=3 Exploring Operation: 81-80=1, Resulting Numbers: [50, 27, 1] Generated Node #0,3: 70:[50, 27, 1] Operation: 81-80=1 Exploring Operation: 50+27=77, Resulting Numbers: [80, 81, 77] Generated Node #0,4: 70:[80, 81, 77] Operation: 50+27=77 Moving to Node #0,0 Current State: 70:[80, 27, 31], Operations: ['81-50=31'] Exploring Operation: 80-27=53, Resulting Numbers: [31, 53] Generated Node #0,0,0: 70:[31, 53] Operation: 80-27=53 Exploring Operation: 80+27=107, Resulting Numbers: [31, 107] Generated Node #0,0,1: 70:[31, 107] Operation: 80+27=107 Exploring Operation: 27+31=58, Resulting Numbers: [80, 58] Generated Node #0,0,2: 70:[80, 58] Operation: 27+31=58 Exploring Operation: 31-27=4, Resulting Numbers: [80, 4] Generated Node #0,0,3: 70:[80, 4] Operation: 31-27=4 Exploring Operation: 80-31=49, Resulting Numbers: [27, 49] Generated Node #0,0,4: 70:[27, 49] Operation: 80-31=49 Moving to Node #0,3 Current State: 70:[50, 27, 1], Operations: ['81-80=1'] Exploring Operation: 50-1=49, Resulting Numbers: [27, 49] Generated Node #0,3,0: 70:[27, 49] Operation: 50-1=49 Exploring Operation: 50-27=23, Resulting Numbers: [1, 23] Generated Node #0,3,1: 70:[1, 23] Operation: 50-27=23 Exploring Operation: 50+27=77, Resulting Numbers: [1, 77] Generated Node #0,3,2: 70:[1, 77] Operation: 50+27=77 Exploring Operation: 50*1=50, Resulting Numbers: [27, 50] Generated Node #0,3,3: 70:[27, 50] Operation: 50*1=50 Exploring Operation: 27+1=28, Resulting Numbers: [50, 28] Generated Node #0,3,4: 70:[50, 28] Operation: 27+1=28 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 70:[1, 77], Operations: ['81-80=1', '50+27=77'] Exploring Operation: 1*77=77, Resulting Numbers: [77] 77,70 unequal: No Solution Exploring Operation: 77-1=76, Resulting Numbers: [76] 76,70 unequal: No Solution Exploring Operation: 1+77=78, Resulting Numbers: [78] 78,70 unequal: No Solution Exploring Operation: 77/1=77, Resulting Numbers: [77] 77,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 70:[1, 23], Operations: ['81-80=1', '50-27=23'] Exploring Operation: 23/1=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 1*23=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 1+23=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 70:[27, 49], Operations: ['81-80=1', '50-1=49'] Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,70 unequal: No Solution Exploring Operation: 27+49=76, Resulting Numbers: [76] 76,70 unequal: No Solution Exploring Operation: 27*49=1323, Resulting Numbers: [1323] 1323,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 70:[50, 28], Operations: ['81-80=1', '27+1=28'] Exploring Operation: 50+28=78, Resulting Numbers: [78] 78,70 unequal: No Solution Exploring Operation: 50*28=1400, Resulting Numbers: [1400] 1400,70 unequal: No Solution Exploring Operation: 50-28=22, Resulting Numbers: [22] 22,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 70:[27, 50], Operations: ['81-80=1', '50*1=50'] Exploring Operation: 50-27=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 27*50=1350, Resulting Numbers: [1350] 1350,70 unequal: No Solution Exploring Operation: 27+50=77, Resulting Numbers: [77] 77,70 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: 70:[27, 81, 30], Operations: ['80-50=30'] Exploring Operation: 30-27=3, Resulting Numbers: [81, 3] Generated Node #0,1,0: 70:[81, 3] Operation: 30-27=3 Exploring Operation: 81-27=54, Resulting Numbers: [30, 54] Generated Node #0,1,1: 70:[30, 54] Operation: 81-27=54 Exploring Operation: 81/27=3, Resulting Numbers: [30, 3] Generated Node #0,1,2: 70:[30, 3] Operation: 81/27=3 Exploring Operation: 81-30=51, Resulting Numbers: [27, 51] Generated Node #0,1,3: 70:[27, 51] Operation: 81-30=51 Exploring Operation: 27+30=57, Resulting Numbers: [81, 57] Generated Node #0,1,4: 70:[81, 57] Operation: 27+30=57 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 70:[30, 3], Operations: ['80-50=30', '81/27=3'] Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,70 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,70 unequal: No Solution Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 70:[81, 3], Operations: ['80-50=30', '30-27=3'] Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,70 unequal: No Solution Exploring Operation: 81*3=243, Resulting Numbers: [243] 243,70 unequal: No Solution Exploring Operation: 81+3=84, Resulting Numbers: [84] 84,70 unequal: No Solution Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 70:[30, 54], Operations: ['80-50=30', '81-27=54'] Exploring Operation: 30+54=84, Resulting Numbers: [84] 84,70 unequal: No Solution Exploring Operation: 30*54=1620, Resulting Numbers: [1620] 1620,70 unequal: No Solution Exploring Operation: 54-30=24, Resulting Numbers: [24] 24,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 70:[27, 51], Operations: ['80-50=30', '81-30=51'] Exploring Operation: 51-27=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 27*51=1377, Resulting Numbers: [1377] 1377,70 unequal: No Solution Exploring Operation: 27+51=78, Resulting Numbers: [78] 78,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 70:[81, 57], Operations: ['80-50=30', '27+30=57'] Exploring Operation: 81*57=4617, Resulting Numbers: [4617] 4617,70 unequal: No Solution Exploring Operation: 81-57=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 81+57=138, Resulting Numbers: [138] 138,70 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: 70:[80, 50, 3], Operations: ['81/27=3'] Exploring Operation: 50+3=53, Resulting Numbers: [80, 53] Generated Node #0,2,0: 70:[80, 53] Operation: 50+3=53 Exploring Operation: 80-50=30, Resulting Numbers: [3, 30] Generated Node #0,2,1: 70:[3, 30] Operation: 80-50=30 Exploring Operation: 80-3=77, Resulting Numbers: [50, 77] Generated Node #0,2,2: 70:[50, 77] Operation: 80-3=77 Exploring Operation: 50-3=47, Resulting Numbers: [80, 47] Generated Node #0,2,3: 70:[80, 47] Operation: 50-3=47 Exploring Operation: 80+3=83, Resulting Numbers: [50, 83] Generated Node #0,2,4: 70:[50, 83] Operation: 80+3=83 Moving to Node #0,4 Current State: 70:[80, 81, 77], Operations: ['50+27=77'] Exploring Operation: 81-80=1, Resulting Numbers: [77, 1] Generated Node #0,4,0: 70:[77, 1] Operation: 81-80=1 Exploring Operation: 81-77=4, Resulting Numbers: [80, 4] Generated Node #0,4,1: 70:[80, 4] Operation: 81-77=4 Exploring Operation: 80-77=3, Resulting Numbers: [81, 3] Generated Node #0,4,2: 70:[81, 3] Operation: 80-77=3 Exploring Operation: 80+81=161, Resulting Numbers: [77, 161] Generated Node #0,4,3: 70:[77, 161] Operation: 80+81=161 Exploring Operation: 80+77=157, Resulting Numbers: [81, 157] Generated Node #0,4,4: 70:[81, 157] Operation: 80+77=157 Moving to Node #0,2,1 Current State: 70:[3, 30], Operations: ['81/27=3', '80-50=30'] Exploring Operation: 3+30=33, Resulting Numbers: [33] 33,70 unequal: No Solution Exploring Operation: 3*30=90, Resulting Numbers: [90] 90,70 unequal: No Solution Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,70 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,70 unequal: No Solution Moving to Node #0,4,0 Current State: 70:[77, 1], Operations: ['50+27=77', '81-80=1'] Exploring Operation: 77*1=77, Resulting Numbers: [77] 77,70 unequal: No Solution Exploring Operation: 77+1=78, Resulting Numbers: [78] 78,70 unequal: No Solution Exploring Operation: 77-1=76, Resulting Numbers: [76] 76,70 unequal: No Solution Exploring Operation: 77/1=77, Resulting Numbers: [77] 77,70 unequal: No Solution Moving to Node #0,0,3 Current State: 70:[80, 4], Operations: ['81-50=31', '31-27=4'] Exploring Operation: 80+4=84, Resulting Numbers: [84] 84,70 unequal: No Solution Exploring Operation: 80*4=320, Resulting Numbers: [320] 320,70 unequal: No Solution Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,70 unequal: No Solution Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,70 unequal: No Solution Moving to Node #0,4,1 Current State: 70:[80, 4], Operations: ['50+27=77', '81-77=4'] Exploring Operation: 80*4=320, Resulting Numbers: [320] 320,70 unequal: No Solution Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,70 unequal: No Solution Exploring Operation: 80+4=84, Resulting Numbers: [84] 84,70 unequal: No Solution Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,70 unequal: No Solution Moving to Node #0,4,2 Current State: 70:[81, 3], Operations: ['50+27=77', '80-77=3'] Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,70 unequal: No Solution Exploring Operation: 81+3=84, Resulting Numbers: [84] 84,70 unequal: No Solution Exploring Operation: 81*3=243, Resulting Numbers: [243] 243,70 unequal: No Solution Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[31, 53], Operations: ['81-50=31', '80-27=53'] Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,70 unequal: No Solution Exploring Operation: 31*53=1643, Resulting Numbers: [1643] 1643,70 unequal: No Solution Exploring Operation: 31+53=84, Resulting Numbers: [84] 84,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[50, 77], Operations: ['81/27=3', '80-3=77'] Exploring Operation: 77-50=27, Resulting Numbers: [27] 27,70 unequal: No Solution Exploring Operation: 50+77=127, Resulting Numbers: [127] 127,70 unequal: No Solution Exploring Operation: 50*77=3850, Resulting Numbers: [3850] 3850,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[80, 58], Operations: ['81-50=31', '27+31=58'] Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,70 unequal: No Solution Exploring Operation: 80*58=4640, Resulting Numbers: [4640] 4640,70 unequal: No Solution Exploring Operation: 80+58=138, Resulting Numbers: [138] 138,70 unequal: No Solution Moving to Node #0,0,4 Current State: 70:[27, 49], Operations: ['81-50=31', '80-31=49'] Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,70 unequal: No Solution Exploring Operation: 27*49=1323, Resulting Numbers: [1323] 1323,70 unequal: No Solution Exploring Operation: 27+49=76, Resulting Numbers: [76] 76,70 unequal: No Solution Moving to Node #0,2,3 Current State: 70:[80, 47], Operations: ['81/27=3', '50-3=47'] Exploring Operation: 80*47=3760, Resulting Numbers: [3760] 3760,70 unequal: No Solution Exploring Operation: 80-47=33, Resulting Numbers: [33] 33,70 unequal: No Solution Exploring Operation: 80+47=127, Resulting Numbers: [127] 127,70 unequal: No Solution Moving to Node #0,2,0 Current State: 70:[80, 53], Operations: ['81/27=3', '50+3=53'] Exploring Operation: 80+53=133, Resulting Numbers: [133] 133,70 unequal: No Solution Exploring Operation: 80-53=27, Resulting Numbers: [27] 27,70 unequal: No Solution Exploring Operation: 80*53=4240, Resulting Numbers: [4240] 4240,70 unequal: No Solution Moving to Node #0,2,4 Current State: 70:[50, 83], Operations: ['81/27=3', '80+3=83'] Exploring Operation: 83-50=33, Resulting Numbers: [33] 33,70 unequal: No Solution Exploring Operation: 50*83=4150, Resulting Numbers: [4150] 4150,70 unequal: No Solution Exploring Operation: 50+83=133, Resulting Numbers: [133] 133,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[31, 107], Operations: ['81-50=31', '80+27=107'] Exploring Operation: 31+107=138, Resulting Numbers: [138] 138,70 unequal: No Solution Exploring Operation: 107-31=76, Resulting Numbers: [76] 76,70 unequal: No Solution Exploring Operation: 31*107=3317, Resulting Numbers: [3317] 3317,70 unequal: No Solution Moving to Node #0,4,4 Current State: 70:[81, 157], Operations: ['50+27=77', '80+77=157'] Exploring Operation: 81*157=12717, Resulting Numbers: [12717] 12717,70 unequal: No Solution Exploring Operation: 157-81=76, Resulting Numbers: [76] 76,70 unequal: No Solution Exploring Operation: 81+157=238, Resulting Numbers: [238] 238,70 unequal: No Solution Moving to Node #0,4,3 Current State: 70:[77, 161], Operations: ['50+27=77', '80+81=161'] Exploring Operation: 77*161=12397, Resulting Numbers: [12397] 12397,70 unequal: No Solution Exploring Operation: 77+161=238, Resulting Numbers: [238] 238,70 unequal: No Solution Exploring Operation: 161-77=84, Resulting Numbers: [84] 84,70 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 89, 12, 94, 87 ]
100
[ "89-87=2", "12/2=6", "94+6=100" ]
Current State: 100:[89, 12, 94, 87], Operations: [] Exploring Operation: 89-87=2, Resulting Numbers: [12, 94, 2] Generated Node #2: [12, 94, 2] from Operation: 89-87=2 Current State: 100:[12, 94, 2], Operations: ['89-87=2'] Exploring Operation: 12/2=6, Resulting Numbers: [94, 6] Generated Node #3: [94, 6] from Operation: 12/2=6 Current State: 100:[94, 6], Operations: ['89-87=2', '12/2=6'] Exploring Operation: 94+6=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[89, 12, 94, 87], Operations: [] Exploring Operation: 94-87=7, Resulting Numbers: [89, 12, 7] Generated Node #0,0: 100:[89, 12, 7] Operation: 94-87=7 Exploring Operation: 89-87=2, Resulting Numbers: [12, 94, 2] Generated Node #0,1: 100:[12, 94, 2] Operation: 89-87=2 Exploring Operation: 94-89=5, Resulting Numbers: [12, 87, 5] Generated Node #0,2: 100:[12, 87, 5] Operation: 94-89=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[12, 94, 2], Operations: ['89-87=2'] Exploring Operation: 12+94=106, Resulting Numbers: [2, 106] Generated Node #0,1,0: 100:[2, 106] Operation: 12+94=106 Exploring Operation: 12-2=10, Resulting Numbers: [94, 10] Generated Node #0,1,1: 100:[94, 10] Operation: 12-2=10 Exploring Operation: 94/2=47, Resulting Numbers: [12, 47] Generated Node #0,1,2: 100:[12, 47] Operation: 94/2=47 Moving to Node #0,1,2 Current State: 100:[12, 47], Operations: ['89-87=2', '94/2=47'] Exploring Operation: 47-12=35, Resulting Numbers: [35] 35,100 unequal: No Solution Exploring Operation: 12+47=59, Resulting Numbers: [59] 59,100 unequal: No Solution Exploring Operation: 12*47=564, Resulting Numbers: [564] 564,100 unequal: No Solution Moving to Node #0,1,0 Current State: 100:[2, 106], Operations: ['89-87=2', '12+94=106'] Exploring Operation: 2+106=108, Resulting Numbers: [108] 108,100 unequal: No Solution Exploring Operation: 106/2=53, Resulting Numbers: [53] 53,100 unequal: No Solution Exploring Operation: 106-2=104, Resulting Numbers: [104] 104,100 unequal: No Solution Moving to Node #0,1,1 Current State: 100:[94, 10], Operations: ['89-87=2', '12-2=10'] Exploring Operation: 94+10=104, Resulting Numbers: [104] 104,100 unequal: No Solution Exploring Operation: 94*10=940, Resulting Numbers: [940] 940,100 unequal: No Solution Exploring Operation: 94-10=84, Resulting Numbers: [84] 84,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[89, 12, 7], Operations: ['94-87=7'] Exploring Operation: 89+12=101, Resulting Numbers: [7, 101] Generated Node #0,0,0: 100:[7, 101] Operation: 89+12=101 Exploring Operation: 12-7=5, Resulting Numbers: [89, 5] Generated Node #0,0,1: 100:[89, 5] Operation: 12-7=5 Exploring Operation: 89+7=96, Resulting Numbers: [12, 96] Generated Node #0,0,2: 100:[12, 96] Operation: 89+7=96 Moving to Node #0,0,0 Current State: 100:[7, 101], Operations: ['94-87=7', '89+12=101'] Exploring Operation: 7+101=108, Resulting Numbers: [108] 108,100 unequal: No Solution Exploring Operation: 101-7=94, Resulting Numbers: [94] 94,100 unequal: No Solution Exploring Operation: 7*101=707, Resulting Numbers: [707] 707,100 unequal: No Solution Moving to Node #0,0,2 Current State: 100:[12, 96], Operations: ['94-87=7', '89+7=96'] Exploring Operation: 96/12=8, Resulting Numbers: [8] 8,100 unequal: No Solution Exploring Operation: 12+96=108, Resulting Numbers: [108] 108,100 unequal: No Solution Exploring Operation: 96-12=84, Resulting Numbers: [84] 84,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[89, 5], Operations: ['94-87=7', '12-7=5'] Exploring Operation: 89-5=84, Resulting Numbers: [84] 84,100 unequal: No Solution Exploring Operation: 89*5=445, Resulting Numbers: [445] 445,100 unequal: No Solution Exploring Operation: 89+5=94, Resulting Numbers: [94] 94,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[12, 87, 5], Operations: ['94-89=5'] Exploring Operation: 12+87=99, Resulting Numbers: [5, 99] Generated Node #0,2,0: 100:[5, 99] Operation: 12+87=99 Exploring Operation: 12-5=7, Resulting Numbers: [87, 7] Generated Node #0,2,1: 100:[87, 7] Operation: 12-5=7 Exploring Operation: 87+5=92, Resulting Numbers: [12, 92] Generated Node #0,2,2: 100:[12, 92] Operation: 87+5=92 Moving to Node #0,2,0 Current State: 100:[5, 99], Operations: ['94-89=5', '12+87=99'] Exploring Operation: 99-5=94, Resulting Numbers: [94] 94,100 unequal: No Solution Exploring Operation: 5+99=104, Resulting Numbers: [104] 104,100 unequal: No Solution Exploring Operation: 5*99=495, Resulting Numbers: [495] 495,100 unequal: No Solution Moving to Node #0,2,2 Current State: 100:[12, 92], Operations: ['94-89=5', '87+5=92'] Exploring Operation: 92-12=80, Resulting Numbers: [80] 80,100 unequal: No Solution Exploring Operation: 12+92=104, Resulting Numbers: [104] 104,100 unequal: No Solution Exploring Operation: 12*92=1104, Resulting Numbers: [1104] 1104,100 unequal: No Solution Moving to Node #0,2,1 Current State: 100:[87, 7], Operations: ['94-89=5', '12-5=7'] Exploring Operation: 87*7=609, Resulting Numbers: [609] 609,100 unequal: No Solution Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,100 unequal: No Solution Exploring Operation: 87+7=94, Resulting Numbers: [94] 94,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 69, 2, 83, 26 ]
81
[ "69*2=138", "83-26=57", "138-57=81" ]
Current State: 81:[69, 2, 83, 26], Operations: [] Exploring Operation: 69*2=138, Resulting Numbers: [83, 26, 138] Generated Node #2: [83, 26, 138] from Operation: 69*2=138 Current State: 81:[83, 26, 138], Operations: ['69*2=138'] Exploring Operation: 83-26=57, Resulting Numbers: [138, 57] Generated Node #3: [138, 57] from Operation: 83-26=57 Current State: 81:[138, 57], Operations: ['69*2=138', '83-26=57'] Exploring Operation: 138-57=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[69, 2, 83, 26], Operations: [] Exploring Operation: 83-69=14, Resulting Numbers: [2, 26, 14] Generated Node #0,0: 81:[2, 26, 14] Operation: 83-69=14 Exploring Operation: 69+2=71, Resulting Numbers: [83, 26, 71] Generated Node #0,1: 81:[83, 26, 71] Operation: 69+2=71 Exploring Operation: 83-2=81, Resulting Numbers: [69, 26, 81] Generated Node #0,2: 81:[69, 26, 81] Operation: 83-2=81 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[2, 26, 14], Operations: ['83-69=14'] Exploring Operation: 14-2=12, Resulting Numbers: [26, 12] Generated Node #0,0,0: 81:[26, 12] Operation: 14-2=12 Exploring Operation: 14/2=7, Resulting Numbers: [26, 7] Generated Node #0,0,1: 81:[26, 7] Operation: 14/2=7 Exploring Operation: 2*14=28, Resulting Numbers: [26, 28] Generated Node #0,0,2: 81:[26, 28] Operation: 2*14=28 Moving to Node #0,0,2 Current State: 81:[26, 28], Operations: ['83-69=14', '2*14=28'] Exploring Operation: 26+28=54, Resulting Numbers: [54] 54,81 unequal: No Solution Exploring Operation: 26*28=728, Resulting Numbers: [728] 728,81 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[26, 7], Operations: ['83-69=14', '14/2=7'] Exploring Operation: 26+7=33, Resulting Numbers: [33] 33,81 unequal: No Solution Exploring Operation: 26*7=182, Resulting Numbers: [182] 182,81 unequal: No Solution Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[26, 12], Operations: ['83-69=14', '14-2=12'] Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,81 unequal: No Solution Exploring Operation: 26*12=312, Resulting Numbers: [312] 312,81 unequal: No Solution Exploring Operation: 26+12=38, Resulting Numbers: [38] 38,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[83, 26, 71], Operations: ['69+2=71'] Exploring Operation: 26+71=97, Resulting Numbers: [83, 97] Generated Node #0,1,0: 81:[83, 97] Operation: 26+71=97 Exploring Operation: 83-71=12, Resulting Numbers: [26, 12] Generated Node #0,1,1: 81:[26, 12] Operation: 83-71=12 Exploring Operation: 71-26=45, Resulting Numbers: [83, 45] Generated Node #0,1,2: 81:[83, 45] Operation: 71-26=45 Moving to Node #0,1,1 Current State: 81:[26, 12], Operations: ['69+2=71', '83-71=12'] Exploring Operation: 26+12=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,81 unequal: No Solution Exploring Operation: 26*12=312, Resulting Numbers: [312] 312,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[83, 97], Operations: ['69+2=71', '26+71=97'] Exploring Operation: 83*97=8051, Resulting Numbers: [8051] 8051,81 unequal: No Solution Exploring Operation: 83+97=180, Resulting Numbers: [180] 180,81 unequal: No Solution Exploring Operation: 97-83=14, Resulting Numbers: [14] 14,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[83, 45], Operations: ['69+2=71', '71-26=45'] Exploring Operation: 83-45=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 83+45=128, Resulting Numbers: [128] 128,81 unequal: No Solution Exploring Operation: 83*45=3735, Resulting Numbers: [3735] 3735,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 81:[69, 26, 81], Operations: ['83-2=81'] Exploring Operation: 81-69=12, Resulting Numbers: [26, 12] Generated Node #0,2,0: 81:[26, 12] Operation: 81-69=12 Exploring Operation: 69+26=95, Resulting Numbers: [81, 95] Generated Node #0,2,1: 81:[81, 95] Operation: 69+26=95 Exploring Operation: 69-26=43, Resulting Numbers: [81, 43] Generated Node #0,2,2: 81:[81, 43] Operation: 69-26=43 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 81:[26, 12], Operations: ['83-2=81', '81-69=12'] Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,81 unequal: No Solution Exploring Operation: 26*12=312, Resulting Numbers: [312] 312,81 unequal: No Solution Exploring Operation: 26+12=38, Resulting Numbers: [38] 38,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 81:[81, 95], Operations: ['83-2=81', '69+26=95'] Exploring Operation: 81*95=7695, Resulting Numbers: [7695] 7695,81 unequal: No Solution Exploring Operation: 81+95=176, Resulting Numbers: [176] 176,81 unequal: No Solution Exploring Operation: 95-81=14, Resulting Numbers: [14] 14,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 81:[81, 43], Operations: ['83-2=81', '69-26=43'] Exploring Operation: 81*43=3483, Resulting Numbers: [3483] 3483,81 unequal: No Solution Exploring Operation: 81-43=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 81+43=124, Resulting Numbers: [124] 124,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 83, 21, 7, 56 ]
81
[ "83-56=27", "21/7=3", "27*3=81" ]
Current State: 81:[83, 21, 7, 56], Operations: [] Exploring Operation: 83-56=27, Resulting Numbers: [21, 7, 27] Generated Node #2: [21, 7, 27] from Operation: 83-56=27 Current State: 81:[21, 7, 27], Operations: ['83-56=27'] Exploring Operation: 21/7=3, Resulting Numbers: [27, 3] Generated Node #3: [27, 3] from Operation: 21/7=3 Current State: 81:[27, 3], Operations: ['83-56=27', '21/7=3'] Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[83, 21, 7, 56], Operations: [] Exploring Operation: 83-56=27, Resulting Numbers: [21, 7, 27] Generated Node #0,0: 81:[21, 7, 27] Operation: 83-56=27 Moving to Node #0,0 Current State: 81:[21, 7, 27], Operations: ['83-56=27'] Exploring Operation: 21/7=3, Resulting Numbers: [27, 3] Generated Node #0,0,0: 81:[27, 3] Operation: 21/7=3 Moving to Node #0,0,0 Current State: 81:[27, 3], Operations: ['83-56=27', '21/7=3'] Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[83, 21, 7, 56], Operations: [] Exploring Operation: 83-56=27, Resulting Numbers: [21, 7, 27] Generated Node #0,0: 81:[21, 7, 27] Operation: 83-56=27 Moving to Node #0,0 Current State: 81:[21, 7, 27], Operations: ['83-56=27'] Exploring Operation: 21/7=3, Resulting Numbers: [27, 3] Generated Node #0,0,0: 81:[27, 3] Operation: 21/7=3 Moving to Node #0,0,0 Current State: 81:[27, 3], Operations: ['83-56=27', '21/7=3'] Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 63, 98, 91, 70 ]
79
[ "98-91=7", "63/7=9", "70+9=79" ]
Current State: 79:[63, 98, 91, 70], Operations: [] Exploring Operation: 98-91=7, Resulting Numbers: [63, 70, 7] Generated Node #2: [63, 70, 7] from Operation: 98-91=7 Current State: 79:[63, 70, 7], Operations: ['98-91=7'] Exploring Operation: 63/7=9, Resulting Numbers: [70, 9] Generated Node #3: [70, 9] from Operation: 63/7=9 Current State: 79:[70, 9], Operations: ['98-91=7', '63/7=9'] Exploring Operation: 70+9=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[63, 98, 91, 70], Operations: [] Exploring Operation: 98-63=35, Resulting Numbers: [91, 70, 35] Generated Node #0,0: 79:[91, 70, 35] Operation: 98-63=35 Moving to Node #0,0 Current State: 79:[91, 70, 35], Operations: ['98-63=35'] Exploring Operation: 91-35=56, Resulting Numbers: [70, 56] Generated Node #0,0,0: 79:[70, 56] Operation: 91-35=56 Moving to Node #0,0,0 Current State: 79:[70, 56], Operations: ['98-63=35', '91-35=56'] Exploring Operation: 70+56=126, Resulting Numbers: [126] 126,79 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 64, 7, 49, 98 ]
85
[ "49+98=147", "147/7=21", "64+21=85" ]
Current State: 85:[64, 7, 49, 98], Operations: [] Exploring Operation: 49+98=147, Resulting Numbers: [64, 7, 147] Generated Node #2: [64, 7, 147] from Operation: 49+98=147 Current State: 85:[64, 7, 147], Operations: ['49+98=147'] Exploring Operation: 147/7=21, Resulting Numbers: [64, 21] Generated Node #3: [64, 21] from Operation: 147/7=21 Current State: 85:[64, 21], Operations: ['49+98=147', '147/7=21'] Exploring Operation: 64+21=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[64, 7, 49, 98], Operations: [] Exploring Operation: 98/49=2, Resulting Numbers: [64, 7, 2] Generated Node #0,0: 85:[64, 7, 2] Operation: 98/49=2 Exploring Operation: 49/7=7, Resulting Numbers: [64, 98, 7] Generated Node #0,1: 85:[64, 98, 7] Operation: 49/7=7 Exploring Operation: 64-49=15, Resulting Numbers: [7, 98, 15] Generated Node #0,2: 85:[7, 98, 15] Operation: 64-49=15 Start Sub Search at level 1: Moving to Node #0,2 Current State: 85:[7, 98, 15], Operations: ['64-49=15'] Exploring Operation: 98-7=91, Resulting Numbers: [15, 91] Generated Node #0,2,0: 85:[15, 91] Operation: 98-7=91 Exploring Operation: 98-15=83, Resulting Numbers: [7, 83] Generated Node #0,2,1: 85:[7, 83] Operation: 98-15=83 Exploring Operation: 98/7=14, Resulting Numbers: [15, 14] Generated Node #0,2,2: 85:[15, 14] Operation: 98/7=14 Moving to Node #0,2,1 Current State: 85:[7, 83], Operations: ['64-49=15', '98-15=83'] Exploring Operation: 7*83=581, Resulting Numbers: [581] 581,85 unequal: No Solution Exploring Operation: 83-7=76, Resulting Numbers: [76] 76,85 unequal: No Solution Exploring Operation: 7+83=90, Resulting Numbers: [90] 90,85 unequal: No Solution Moving to Node #0,2,2 Current State: 85:[15, 14], Operations: ['64-49=15', '98/7=14'] Exploring Operation: 15+14=29, Resulting Numbers: [29] 29,85 unequal: No Solution Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,85 unequal: No Solution Exploring Operation: 15*14=210, Resulting Numbers: [210] 210,85 unequal: No Solution Moving to Node #0,2,0 Current State: 85:[15, 91], Operations: ['64-49=15', '98-7=91'] Exploring Operation: 91-15=76, Resulting Numbers: [76] 76,85 unequal: No Solution Exploring Operation: 15*91=1365, Resulting Numbers: [1365] 1365,85 unequal: No Solution Exploring Operation: 15+91=106, Resulting Numbers: [106] 106,85 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 Current State: 85:[64, 7, 2], Operations: ['98/49=2'] Exploring Operation: 64/2=32, Resulting Numbers: [7, 32] Generated Node #0,0,0: 85:[7, 32] Operation: 64/2=32 Exploring Operation: 64+7=71, Resulting Numbers: [2, 71] Generated Node #0,0,1: 85:[2, 71] Operation: 64+7=71 Exploring Operation: 64+2=66, Resulting Numbers: [7, 66] Generated Node #0,0,2: 85:[7, 66] Operation: 64+2=66 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[7, 32], Operations: ['98/49=2', '64/2=32'] Exploring Operation: 7*32=224, Resulting Numbers: [224] 224,85 unequal: No Solution Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,85 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,85 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:[2, 71], Operations: ['98/49=2', '64+7=71'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,85 unequal: No Solution Exploring Operation: 2+71=73, Resulting Numbers: [73] 73,85 unequal: No Solution Exploring Operation: 2*71=142, Resulting Numbers: [142] 142,85 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:[7, 66], Operations: ['98/49=2', '64+2=66'] Exploring Operation: 7*66=462, Resulting Numbers: [462] 462,85 unequal: No Solution Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,85 unequal: No Solution Exploring Operation: 7+66=73, Resulting Numbers: [73] 73,85 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 #0,1 Current State: 85:[64, 98, 7], Operations: ['49/7=7'] Exploring Operation: 98/7=14, Resulting Numbers: [64, 14] Generated Node #0,1,0: 85:[64, 14] Operation: 98/7=14 Exploring Operation: 64+7=71, Resulting Numbers: [98, 71] Generated Node #0,1,1: 85:[98, 71] Operation: 64+7=71 Exploring Operation: 98-64=34, Resulting Numbers: [7, 34] Generated Node #0,1,2: 85:[7, 34] Operation: 98-64=34 Moving to Node #0,1,2 Current State: 85:[7, 34], Operations: ['49/7=7', '98-64=34'] Exploring Operation: 7*34=238, Resulting Numbers: [238] 238,85 unequal: No Solution Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,85 unequal: No Solution Exploring Operation: 7+34=41, Resulting Numbers: [41] 41,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[64, 14], Operations: ['49/7=7', '98/7=14'] Exploring Operation: 64-14=50, Resulting Numbers: [50] 50,85 unequal: No Solution Exploring Operation: 64*14=896, Resulting Numbers: [896] 896,85 unequal: No Solution Exploring Operation: 64+14=78, Resulting Numbers: [78] 78,85 unequal: No Solution Moving to Node #0,1,1 Current State: 85:[98, 71], Operations: ['49/7=7', '64+7=71'] Exploring Operation: 98*71=6958, Resulting Numbers: [6958] 6958,85 unequal: No Solution Exploring Operation: 98-71=27, Resulting Numbers: [27] 27,85 unequal: No Solution Exploring Operation: 98+71=169, Resulting Numbers: [169] 169,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 6, 94, 52, 22 ]
26
[ "6+94=100", "52+22=74", "100-74=26" ]
Current State: 26:[6, 94, 52, 22], Operations: [] Exploring Operation: 6+94=100, Resulting Numbers: [52, 22, 100] Generated Node #2: [52, 22, 100] from Operation: 6+94=100 Current State: 26:[52, 22, 100], Operations: ['6+94=100'] Exploring Operation: 52+22=74, Resulting Numbers: [100, 74] Generated Node #3: [100, 74] from Operation: 52+22=74 Current State: 26:[100, 74], Operations: ['6+94=100', '52+22=74'] Exploring Operation: 100-74=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[6, 94, 52, 22], Operations: [] Exploring Operation: 94-52=42, Resulting Numbers: [6, 22, 42] Generated Node #0,0: 26:[6, 22, 42] Operation: 94-52=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[6, 22, 42], Operations: ['94-52=42'] Exploring Operation: 42/6=7, Resulting Numbers: [22, 7] Generated Node #0,0,0: 26:[22, 7] Operation: 42/6=7 Moving to Node #0,0,0 Current State: 26:[22, 7], Operations: ['94-52=42', '42/6=7'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 2, 73, 92, 98 ]
70
[ "98-92=6", "6/2=3", "73-3=70" ]
Current State: 70:[2, 73, 92, 98], Operations: [] Exploring Operation: 98-92=6, Resulting Numbers: [2, 73, 6] Generated Node #2: [2, 73, 6] from Operation: 98-92=6 Current State: 70:[2, 73, 6], Operations: ['98-92=6'] Exploring Operation: 6/2=3, Resulting Numbers: [73, 3] Generated Node #3: [73, 3] from Operation: 6/2=3 Current State: 70:[73, 3], Operations: ['98-92=6', '6/2=3'] Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[2, 73, 92, 98], Operations: [] Exploring Operation: 98-92=6, Resulting Numbers: [2, 73, 6] Generated Node #0,0: 70:[2, 73, 6] Operation: 98-92=6 Exploring Operation: 98-73=25, Resulting Numbers: [2, 92, 25] Generated Node #0,1: 70:[2, 92, 25] Operation: 98-73=25 Exploring Operation: 92-73=19, Resulting Numbers: [2, 98, 19] Generated Node #0,2: 70:[2, 98, 19] Operation: 92-73=19 Moving to Node #0,0 Current State: 70:[2, 73, 6], Operations: ['98-92=6'] Exploring Operation: 2+6=8, Resulting Numbers: [73, 8] Generated Node #0,0,0: 70:[73, 8] Operation: 2+6=8 Exploring Operation: 73-2=71, Resulting Numbers: [6, 71] Generated Node #0,0,1: 70:[6, 71] Operation: 73-2=71 Exploring Operation: 73-6=67, Resulting Numbers: [2, 67] Generated Node #0,0,2: 70:[2, 67] Operation: 73-6=67 Moving to Node #0,1 Current State: 70:[2, 92, 25], Operations: ['98-73=25'] Exploring Operation: 92/2=46, Resulting Numbers: [25, 46] Generated Node #0,1,0: 70:[25, 46] Operation: 92/2=46 Exploring Operation: 92-2=90, Resulting Numbers: [25, 90] Generated Node #0,1,1: 70:[25, 90] Operation: 92-2=90 Exploring Operation: 92-25=67, Resulting Numbers: [2, 67] Generated Node #0,1,2: 70:[2, 67] Operation: 92-25=67 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 70:[2, 67], Operations: ['98-73=25', '92-25=67'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,70 unequal: No Solution Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,70 unequal: No Solution Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 70:[25, 46], Operations: ['98-73=25', '92/2=46'] Exploring Operation: 25*46=1150, Resulting Numbers: [1150] 1150,70 unequal: No Solution Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,70 unequal: No Solution Exploring Operation: 25+46=71, Resulting Numbers: [71] 71,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 70:[25, 90], Operations: ['98-73=25', '92-2=90'] Exploring Operation: 25*90=2250, Resulting Numbers: [2250] 2250,70 unequal: No Solution Exploring Operation: 90-25=65, Resulting Numbers: [65] 65,70 unequal: No Solution Exploring Operation: 25+90=115, Resulting Numbers: [115] 115,70 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: 70:[2, 98, 19], Operations: ['92-73=19'] Exploring Operation: 98/2=49, Resulting Numbers: [19, 49] Generated Node #0,2,0: 70:[19, 49] Operation: 98/2=49 Exploring Operation: 98-19=79, Resulting Numbers: [2, 79] Generated Node #0,2,1: 70:[2, 79] Operation: 98-19=79 Exploring Operation: 98-2=96, Resulting Numbers: [19, 96] Generated Node #0,2,2: 70:[19, 96] Operation: 98-2=96 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 70:[2, 79], Operations: ['92-73=19', '98-19=79'] Exploring Operation: 2+79=81, Resulting Numbers: [81] 81,70 unequal: No Solution Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,70 unequal: No Solution Exploring Operation: 2*79=158, Resulting Numbers: [158] 158,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 70:[19, 49], Operations: ['92-73=19', '98/2=49'] Exploring Operation: 49-19=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 19*49=931, Resulting Numbers: [931] 931,70 unequal: No Solution Exploring Operation: 19+49=68, Resulting Numbers: [68] 68,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 70:[19, 96], Operations: ['92-73=19', '98-2=96'] Exploring Operation: 19*96=1824, Resulting Numbers: [1824] 1824,70 unequal: No Solution Exploring Operation: 19+96=115, Resulting Numbers: [115] 115,70 unequal: No Solution Exploring Operation: 96-19=77, Resulting Numbers: [77] 77,70 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: 70:[6, 71], Operations: ['98-92=6', '73-2=71'] Exploring Operation: 71-6=65, Resulting Numbers: [65] 65,70 unequal: No Solution Exploring Operation: 6*71=426, Resulting Numbers: [426] 426,70 unequal: No Solution Exploring Operation: 6+71=77, Resulting Numbers: [77] 77,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[2, 67], Operations: ['98-92=6', '73-6=67'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,70 unequal: No Solution Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,70 unequal: No Solution Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[73, 8], Operations: ['98-92=6', '2+6=8'] Exploring Operation: 73+8=81, Resulting Numbers: [81] 81,70 unequal: No Solution Exploring Operation: 73-8=65, Resulting Numbers: [65] 65,70 unequal: No Solution Exploring Operation: 73*8=584, Resulting Numbers: [584] 584,70 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 88, 22, 78, 7 ]
50
[ "88/22=4", "7*4=28", "78-28=50" ]
Current State: 50:[88, 22, 78, 7], Operations: [] Exploring Operation: 88/22=4, Resulting Numbers: [78, 7, 4] Generated Node #2: [78, 7, 4] from Operation: 88/22=4 Current State: 50:[78, 7, 4], Operations: ['88/22=4'] Exploring Operation: 7*4=28, Resulting Numbers: [78, 28] Generated Node #3: [78, 28] from Operation: 7*4=28 Current State: 50:[78, 28], Operations: ['88/22=4', '7*4=28'] Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[88, 22, 78, 7], Operations: [] Exploring Operation: 88/22=4, Resulting Numbers: [78, 7, 4] Generated Node #0,0: 50:[78, 7, 4] Operation: 88/22=4 Exploring Operation: 88-78=10, Resulting Numbers: [22, 7, 10] Generated Node #0,1: 50:[22, 7, 10] Operation: 88-78=10 Moving to Node #0,1 Current State: 50:[22, 7, 10], Operations: ['88-78=10'] Exploring Operation: 22-10=12, Resulting Numbers: [7, 12] Generated Node #0,1,0: 50:[7, 12] Operation: 22-10=12 Exploring Operation: 22+7=29, Resulting Numbers: [10, 29] Generated Node #0,1,1: 50:[10, 29] Operation: 22+7=29 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 50:[7, 12], Operations: ['88-78=10', '22-10=12'] Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,50 unequal: No Solution Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 50:[10, 29], Operations: ['88-78=10', '22+7=29'] Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,50 unequal: No Solution Exploring Operation: 10+29=39, Resulting Numbers: [39] 39,50 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: 50:[78, 7, 4], Operations: ['88/22=4'] Exploring Operation: 78-7=71, Resulting Numbers: [4, 71] Generated Node #0,0,0: 50:[4, 71] Operation: 78-7=71 Exploring Operation: 78-4=74, Resulting Numbers: [7, 74] Generated Node #0,0,1: 50:[7, 74] Operation: 78-4=74 Moving to Node #0,0,0 Current State: 50:[4, 71], Operations: ['88/22=4', '78-7=71'] Exploring Operation: 4+71=75, Resulting Numbers: [75] 75,50 unequal: No Solution Exploring Operation: 71-4=67, Resulting Numbers: [67] 67,50 unequal: No Solution Moving to Node #0,0,1 Current State: 50:[7, 74], Operations: ['88/22=4', '78-4=74'] Exploring Operation: 7+74=81, Resulting Numbers: [81] 81,50 unequal: No Solution Exploring Operation: 74-7=67, Resulting Numbers: [67] 67,50 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 1, 23, 44, 11 ]
31
[ "1+23=24", "44+11=55", "55-24=31" ]
Current State: 31:[1, 23, 44, 11], Operations: [] Exploring Operation: 1+23=24, Resulting Numbers: [44, 11, 24] Generated Node #2: [44, 11, 24] from Operation: 1+23=24 Current State: 31:[44, 11, 24], Operations: ['1+23=24'] Exploring Operation: 44+11=55, Resulting Numbers: [24, 55] Generated Node #3: [24, 55] from Operation: 44+11=55 Current State: 31:[24, 55], Operations: ['1+23=24', '44+11=55'] Exploring Operation: 55-24=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[1, 23, 44, 11], Operations: [] Exploring Operation: 1+23=24, Resulting Numbers: [44, 11, 24] Generated Node #0,0: 31:[44, 11, 24] Operation: 1+23=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[44, 11, 24], Operations: ['1+23=24'] Exploring Operation: 44-11=33, Resulting Numbers: [24, 33] Generated Node #0,0,0: 31:[24, 33] Operation: 44-11=33 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[24, 33], Operations: ['1+23=24', '44-11=33'] Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 82, 3, 84, 52 ]
51
[ "82+3=85", "84+52=136", "136-85=51" ]
Current State: 51:[82, 3, 84, 52], Operations: [] Exploring Operation: 82+3=85, Resulting Numbers: [84, 52, 85] Generated Node #2: [84, 52, 85] from Operation: 82+3=85 Current State: 51:[84, 52, 85], Operations: ['82+3=85'] Exploring Operation: 84+52=136, Resulting Numbers: [85, 136] Generated Node #3: [85, 136] from Operation: 84+52=136 Current State: 51:[85, 136], Operations: ['82+3=85', '84+52=136'] Exploring Operation: 136-85=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[82, 3, 84, 52], Operations: [] Exploring Operation: 84-82=2, Resulting Numbers: [3, 52, 2] Generated Node #0,0: 51:[3, 52, 2] Operation: 84-82=2 Moving to Node #0,0 Current State: 51:[3, 52, 2], Operations: ['84-82=2'] Exploring Operation: 52-2=50, Resulting Numbers: [3, 50] Generated Node #0,0,0: 51:[3, 50] Operation: 52-2=50 Moving to Node #0,0,0 Current State: 51:[3, 50], Operations: ['84-82=2', '52-2=50'] Exploring Operation: 3+50=53, Resulting Numbers: [53] 53,51 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 57, 12, 11, 2 ]
32
[ "57-12=45", "11+2=13", "45-13=32" ]
Current State: 32:[57, 12, 11, 2], Operations: [] Exploring Operation: 57-12=45, Resulting Numbers: [11, 2, 45] Generated Node #2: [11, 2, 45] from Operation: 57-12=45 Current State: 32:[11, 2, 45], Operations: ['57-12=45'] Exploring Operation: 11+2=13, Resulting Numbers: [45, 13] Generated Node #3: [45, 13] from Operation: 11+2=13 Current State: 32:[45, 13], Operations: ['57-12=45', '11+2=13'] Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[57, 12, 11, 2], Operations: [] Exploring Operation: 57-12=45, Resulting Numbers: [11, 2, 45] Generated Node #0,0: 32:[11, 2, 45] Operation: 57-12=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[11, 2, 45], Operations: ['57-12=45'] Exploring Operation: 45-11=34, Resulting Numbers: [2, 34] Generated Node #0,0,0: 32:[2, 34] Operation: 45-11=34 Moving to Node #0,0,0 Current State: 32:[2, 34], Operations: ['57-12=45', '45-11=34'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[57, 12, 11, 2], Operations: [] Exploring Operation: 57-12=45, Resulting Numbers: [11, 2, 45] Generated Node #0,0: 32:[11, 2, 45] Operation: 57-12=45 Moving to Node #0,0 Current State: 32:[11, 2, 45], Operations: ['57-12=45'] Exploring Operation: 45-11=34, Resulting Numbers: [2, 34] Generated Node #0,0,0: 32:[2, 34] Operation: 45-11=34 Moving to Node #0,0,0 Current State: 32:[2, 34], Operations: ['57-12=45', '45-11=34'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 82, 7, 14, 61 ]
20
[ "82*7=574", "574/14=41", "61-41=20" ]
Current State: 20:[82, 7, 14, 61], Operations: [] Exploring Operation: 82*7=574, Resulting Numbers: [14, 61, 574] Generated Node #2: [14, 61, 574] from Operation: 82*7=574 Current State: 20:[14, 61, 574], Operations: ['82*7=574'] Exploring Operation: 574/14=41, Resulting Numbers: [61, 41] Generated Node #3: [61, 41] from Operation: 574/14=41 Current State: 20:[61, 41], Operations: ['82*7=574', '574/14=41'] Exploring Operation: 61-41=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[82, 7, 14, 61], Operations: [] Exploring Operation: 82-61=21, Resulting Numbers: [7, 14, 21] Generated Node #0,0: 20:[7, 14, 21] Operation: 82-61=21 Exploring Operation: 82-14=68, Resulting Numbers: [7, 61, 68] Generated Node #0,1: 20:[7, 61, 68] Operation: 82-14=68 Moving to Node #0,0 Current State: 20:[7, 14, 21], Operations: ['82-61=21'] Exploring Operation: 14/7=2, Resulting Numbers: [21, 2] Generated Node #0,0,0: 20:[21, 2] Operation: 14/7=2 Exploring Operation: 7+14=21, Resulting Numbers: [21, 21] Generated Node #0,0,1: 20:[21, 21] Operation: 7+14=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[21, 2], Operations: ['82-61=21', '14/7=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,20 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[21, 21], Operations: ['82-61=21', '7+14=21'] Exploring Operation: 21/21=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 21-21=0, Resulting Numbers: [0] 0,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 20:[7, 61, 68], Operations: ['82-14=68'] Exploring Operation: 68-61=7, Resulting Numbers: [7, 7] Generated Node #0,1,0: 20:[7, 7] Operation: 68-61=7 Exploring Operation: 61-7=54, Resulting Numbers: [68, 54] Generated Node #0,1,1: 20:[68, 54] Operation: 61-7=54 Moving to Node #0,1,0 Current State: 20:[7, 7], Operations: ['82-14=68', '68-61=7'] Exploring Operation: 7/7=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 7-7=0, Resulting Numbers: [0] 0,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[68, 54], Operations: ['82-14=68', '61-7=54'] Exploring Operation: 68+54=122, Resulting Numbers: [122] 122,20 unequal: No Solution Exploring Operation: 68-54=14, Resulting Numbers: [14] 14,20 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 56, 75, 30, 93 ]
33
[ "75+93=168", "168/56=3", "30+3=33" ]
Current State: 33:[56, 75, 30, 93], Operations: [] Exploring Operation: 75+93=168, Resulting Numbers: [56, 30, 168] Generated Node #2: [56, 30, 168] from Operation: 75+93=168 Current State: 33:[56, 30, 168], Operations: ['75+93=168'] Exploring Operation: 168/56=3, Resulting Numbers: [30, 3] Generated Node #3: [30, 3] from Operation: 168/56=3 Current State: 33:[30, 3], Operations: ['75+93=168', '168/56=3'] Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[56, 75, 30, 93], Operations: [] Exploring Operation: 75-56=19, Resulting Numbers: [30, 93, 19] Generated Node #0,0: 33:[30, 93, 19] Operation: 75-56=19 Exploring Operation: 93-56=37, Resulting Numbers: [75, 30, 37] Generated Node #0,1: 33:[75, 30, 37] Operation: 93-56=37 Exploring Operation: 93-75=18, Resulting Numbers: [56, 30, 18] Generated Node #0,2: 33:[56, 30, 18] Operation: 93-75=18 Moving to Node #0,2 Current State: 33:[56, 30, 18], Operations: ['93-75=18'] Exploring Operation: 30-18=12, Resulting Numbers: [56, 12] Generated Node #0,2,0: 33:[56, 12] Operation: 30-18=12 Exploring Operation: 56-18=38, Resulting Numbers: [30, 38] Generated Node #0,2,1: 33:[30, 38] Operation: 56-18=38 Exploring Operation: 56-30=26, Resulting Numbers: [18, 26] Generated Node #0,2,2: 33:[18, 26] Operation: 56-30=26 Moving to Node #0,1 Current State: 33:[75, 30, 37], Operations: ['93-56=37'] Exploring Operation: 75-37=38, Resulting Numbers: [30, 38] Generated Node #0,1,0: 33:[30, 38] Operation: 75-37=38 Exploring Operation: 37-30=7, Resulting Numbers: [75, 7] Generated Node #0,1,1: 33:[75, 7] Operation: 37-30=7 Exploring Operation: 75-30=45, Resulting Numbers: [37, 45] Generated Node #0,1,2: 33:[37, 45] Operation: 75-30=45 Moving to Node #0,0 Current State: 33:[30, 93, 19], Operations: ['75-56=19'] Exploring Operation: 30-19=11, Resulting Numbers: [93, 11] Generated Node #0,0,0: 33:[93, 11] Operation: 30-19=11 Exploring Operation: 93-19=74, Resulting Numbers: [30, 74] Generated Node #0,0,1: 33:[30, 74] Operation: 93-19=74 Exploring Operation: 93-30=63, Resulting Numbers: [19, 63] Generated Node #0,0,2: 33:[19, 63] Operation: 93-30=63 Moving to Node #0,2,1 Current State: 33:[30, 38], Operations: ['93-75=18', '56-18=38'] Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 30+38=68, Resulting Numbers: [68] 68,33 unequal: No Solution Exploring Operation: 30*38=1140, Resulting Numbers: [1140] 1140,33 unequal: No Solution Moving to Node #0,1,0 Current State: 33:[30, 38], Operations: ['93-56=37', '75-37=38'] Exploring Operation: 30+38=68, Resulting Numbers: [68] 68,33 unequal: No Solution Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 30*38=1140, Resulting Numbers: [1140] 1140,33 unequal: No Solution Moving to Node #0,2,2 Current State: 33:[18, 26], Operations: ['93-75=18', '56-30=26'] Exploring Operation: 18+26=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 18*26=468, Resulting Numbers: [468] 468,33 unequal: No Solution Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,33 unequal: No Solution Moving to Node #0,1,2 Current State: 33:[37, 45], Operations: ['93-56=37', '75-30=45'] Exploring Operation: 45-37=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 37+45=82, Resulting Numbers: [82] 82,33 unequal: No Solution Exploring Operation: 37*45=1665, Resulting Numbers: [1665] 1665,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[56, 12], Operations: ['93-75=18', '30-18=12'] Exploring Operation: 56+12=68, Resulting Numbers: [68] 68,33 unequal: No Solution Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 56*12=672, Resulting Numbers: [672] 672,33 unequal: No Solution Moving to Node #0,0,2 Current State: 33:[19, 63], Operations: ['75-56=19', '93-30=63'] Exploring Operation: 19+63=82, Resulting Numbers: [82] 82,33 unequal: No Solution Exploring Operation: 63-19=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 19*63=1197, Resulting Numbers: [1197] 1197,33 unequal: No Solution Moving to Node #0,0,1 Current State: 33:[30, 74], Operations: ['75-56=19', '93-19=74'] Exploring Operation: 30*74=2220, Resulting Numbers: [2220] 2220,33 unequal: No Solution Exploring Operation: 74-30=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 30+74=104, Resulting Numbers: [104] 104,33 unequal: No Solution Moving to Node #0,1,1 Current State: 33:[75, 7], Operations: ['93-56=37', '37-30=7'] Exploring Operation: 75-7=68, Resulting Numbers: [68] 68,33 unequal: No Solution Exploring Operation: 75+7=82, Resulting Numbers: [82] 82,33 unequal: No Solution Exploring Operation: 75*7=525, Resulting Numbers: [525] 525,33 unequal: No Solution Moving to Node #0,0,0 Current State: 33:[93, 11], Operations: ['75-56=19', '30-19=11'] Exploring Operation: 93*11=1023, Resulting Numbers: [1023] 1023,33 unequal: No Solution Exploring Operation: 93+11=104, Resulting Numbers: [104] 104,33 unequal: No Solution Exploring Operation: 93-11=82, Resulting Numbers: [82] 82,33 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 14, 85, 15, 17 ]
85
[ "14*85=1190", "1190/17=70", "15+70=85" ]
Current State: 85:[14, 85, 15, 17], Operations: [] Exploring Operation: 14*85=1190, Resulting Numbers: [15, 17, 1190] Generated Node #2: [15, 17, 1190] from Operation: 14*85=1190 Current State: 85:[15, 17, 1190], Operations: ['14*85=1190'] Exploring Operation: 1190/17=70, Resulting Numbers: [15, 70] Generated Node #3: [15, 70] from Operation: 1190/17=70 Current State: 85:[15, 70], Operations: ['14*85=1190', '1190/17=70'] Exploring Operation: 15+70=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[14, 85, 15, 17], Operations: [] Exploring Operation: 15-14=1, Resulting Numbers: [85, 17, 1] Generated Node #0,0: 85:[85, 17, 1] Operation: 15-14=1 Moving to Node #0,0 Current State: 85:[85, 17, 1], Operations: ['15-14=1'] Exploring Operation: 85*1=85, Resulting Numbers: [17, 85] Generated Node #0,0,0: 85:[17, 85] Operation: 85*1=85 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 85:[17, 85], Operations: ['15-14=1', '85*1=85'] Exploring Operation: 85/17=5, Resulting Numbers: [5] 5,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 32, 23, 15, 16 ]
64
[ "32*16=512", "23-15=8", "512/8=64" ]
Current State: 64:[32, 23, 15, 16], Operations: [] Exploring Operation: 32*16=512, Resulting Numbers: [23, 15, 512] Generated Node #2: [23, 15, 512] from Operation: 32*16=512 Current State: 64:[23, 15, 512], Operations: ['32*16=512'] Exploring Operation: 23-15=8, Resulting Numbers: [512, 8] Generated Node #3: [512, 8] from Operation: 23-15=8 Current State: 64:[512, 8], Operations: ['32*16=512', '23-15=8'] Exploring Operation: 512/8=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[32, 23, 15, 16], Operations: [] Exploring Operation: 23-15=8, Resulting Numbers: [32, 16, 8] Generated Node #0,0: 64:[32, 16, 8] Operation: 23-15=8 Exploring Operation: 32-23=9, Resulting Numbers: [15, 16, 9] Generated Node #0,1: 64:[15, 16, 9] Operation: 32-23=9 Exploring Operation: 23-16=7, Resulting Numbers: [32, 15, 7] Generated Node #0,2: 64:[32, 15, 7] Operation: 23-16=7 Moving to Node #0,0 Current State: 64:[32, 16, 8], Operations: ['23-15=8'] Exploring Operation: 32-16=16, Resulting Numbers: [8, 16] Generated Node #0,0,0: 64:[8, 16] Operation: 32-16=16 Exploring Operation: 32/8=4, Resulting Numbers: [16, 4] Generated Node #0,0,1: 64:[16, 4] Operation: 32/8=4 Exploring Operation: 32/16=2, Resulting Numbers: [8, 2] Generated Node #0,0,2: 64:[8, 2] Operation: 32/16=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[8, 16], Operations: ['23-15=8', '32-16=16'] Exploring Operation: 8+16=24, Resulting Numbers: [24] 24,64 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 64:[16, 4], Operations: ['23-15=8', '32/8=4'] Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,64 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,64 unequal: No Solution Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[32, 23, 15, 16], Operations: [] Exploring Operation: 23-15=8, Resulting Numbers: [32, 16, 8] Generated Node #0,0: 64:[32, 16, 8] Operation: 23-15=8 Moving to Node #0,0 Current State: 64:[32, 16, 8], Operations: ['23-15=8'] Exploring Operation: 32/8=4, Resulting Numbers: [16, 4] Generated Node #0,0,1: 64:[16, 4] Operation: 32/8=4 Moving to Node #0,0,1 Current State: 64:[16, 4], Operations: ['23-15=8', '32/8=4'] Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 43, 66, 88, 51 ]
11
[ "88-43=45", "51-45=6", "66/6=11" ]
Current State: 11:[43, 66, 88, 51], Operations: [] Exploring Operation: 88-43=45, Resulting Numbers: [66, 51, 45] Generated Node #2: [66, 51, 45] from Operation: 88-43=45 Current State: 11:[66, 51, 45], Operations: ['88-43=45'] Exploring Operation: 51-45=6, Resulting Numbers: [66, 6] Generated Node #3: [66, 6] from Operation: 51-45=6 Current State: 11:[66, 6], Operations: ['88-43=45', '51-45=6'] Exploring Operation: 66/6=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[43, 66, 88, 51], Operations: [] Exploring Operation: 88-66=22, Resulting Numbers: [43, 51, 22] Generated Node #0,0: 11:[43, 51, 22] Operation: 88-66=22 Exploring Operation: 66-51=15, Resulting Numbers: [43, 88, 15] Generated Node #0,1: 11:[43, 88, 15] Operation: 66-51=15 Moving to Node #0,0 Current State: 11:[43, 51, 22], Operations: ['88-66=22'] Exploring Operation: 51-43=8, Resulting Numbers: [22, 8] Generated Node #0,0,0: 11:[22, 8] Operation: 51-43=8 Exploring Operation: 43-22=21, Resulting Numbers: [51, 21] Generated Node #0,0,1: 11:[51, 21] Operation: 43-22=21 Moving to Node #0,1 Current State: 11:[43, 88, 15], Operations: ['66-51=15'] Exploring Operation: 43-15=28, Resulting Numbers: [88, 28] Generated Node #0,1,0: 11:[88, 28] Operation: 43-15=28 Exploring Operation: 88-43=45, Resulting Numbers: [15, 45] Generated Node #0,1,1: 11:[15, 45] Operation: 88-43=45 Moving to Node #0,0,0 Current State: 11:[22, 8], Operations: ['88-66=22', '51-43=8'] Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,11 unequal: No Solution Exploring Operation: 22+8=30, Resulting Numbers: [30] 30,11 unequal: No Solution Moving to Node #0,1,1 Current State: 11:[15, 45], Operations: ['66-51=15', '88-43=45'] Exploring Operation: 45-15=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 45/15=3, Resulting Numbers: [3] 3,11 unequal: No Solution Moving to Node #0,0,1 Current State: 11:[51, 21], Operations: ['88-66=22', '43-22=21'] Exploring Operation: 51+21=72, Resulting Numbers: [72] 72,11 unequal: No Solution Exploring Operation: 51-21=30, Resulting Numbers: [30] 30,11 unequal: No Solution Moving to Node #0,1,0 Current State: 11:[88, 28], Operations: ['66-51=15', '43-15=28'] Exploring Operation: 88-28=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 88+28=116, Resulting Numbers: [116] 116,11 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 4, 73, 15, 45 ]
85
[ "4*45=180", "180/15=12", "73+12=85" ]
Current State: 85:[4, 73, 15, 45], Operations: [] Exploring Operation: 4*45=180, Resulting Numbers: [73, 15, 180] Generated Node #2: [73, 15, 180] from Operation: 4*45=180 Current State: 85:[73, 15, 180], Operations: ['4*45=180'] Exploring Operation: 180/15=12, Resulting Numbers: [73, 12] Generated Node #3: [73, 12] from Operation: 180/15=12 Current State: 85:[73, 12], Operations: ['4*45=180', '180/15=12'] Exploring Operation: 73+12=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[4, 73, 15, 45], Operations: [] Exploring Operation: 45/15=3, Resulting Numbers: [4, 73, 3] Generated Node #0,0: 85:[4, 73, 3] Operation: 45/15=3 Exploring Operation: 45-15=30, Resulting Numbers: [4, 73, 30] Generated Node #0,1: 85:[4, 73, 30] Operation: 45-15=30 Exploring Operation: 73-45=28, Resulting Numbers: [4, 15, 28] Generated Node #0,2: 85:[4, 15, 28] Operation: 73-45=28 Start Sub Search at level 1: Moving to Node #0,2 Current State: 85:[4, 15, 28], Operations: ['73-45=28'] Exploring Operation: 28/4=7, Resulting Numbers: [15, 7] Generated Node #0,2,0: 85:[15, 7] Operation: 28/4=7 Exploring Operation: 28-4=24, Resulting Numbers: [15, 24] Generated Node #0,2,1: 85:[15, 24] Operation: 28-4=24 Exploring Operation: 28-15=13, Resulting Numbers: [4, 13] Generated Node #0,2,2: 85:[4, 13] Operation: 28-15=13 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 85:[15, 7], Operations: ['73-45=28', '28/4=7'] Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,85 unequal: No Solution Exploring Operation: 15+7=22, Resulting Numbers: [22] 22,85 unequal: No Solution Exploring Operation: 15*7=105, Resulting Numbers: [105] 105,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 85:[4, 13], Operations: ['73-45=28', '28-15=13'] Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,85 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,85 unequal: No Solution Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,85 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:[15, 24], Operations: ['73-45=28', '28-4=24'] Exploring Operation: 15+24=39, Resulting Numbers: [39] 39,85 unequal: No Solution Exploring Operation: 15*24=360, Resulting Numbers: [360] 360,85 unequal: No Solution Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,85 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:[4, 73, 3], Operations: ['45/15=3'] Exploring Operation: 4+73=77, Resulting Numbers: [3, 77] Generated Node #0,0,0: 85:[3, 77] Operation: 4+73=77 Exploring Operation: 4+3=7, Resulting Numbers: [73, 7] Generated Node #0,0,1: 85:[73, 7] Operation: 4+3=7 Exploring Operation: 73+3=76, Resulting Numbers: [4, 76] Generated Node #0,0,2: 85:[4, 76] Operation: 73+3=76 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[3, 77], Operations: ['45/15=3', '4+73=77'] Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,85 unequal: No Solution Exploring Operation: 3+77=80, Resulting Numbers: [80] 80,85 unequal: No Solution Exploring Operation: 3*77=231, Resulting Numbers: [231] 231,85 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:[4, 76], Operations: ['45/15=3', '73+3=76'] Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,85 unequal: No Solution Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,85 unequal: No Solution Exploring Operation: 4+76=80, Resulting Numbers: [80] 80,85 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:[73, 7], Operations: ['45/15=3', '4+3=7'] Exploring Operation: 73+7=80, Resulting Numbers: [80] 80,85 unequal: No Solution Exploring Operation: 73-7=66, Resulting Numbers: [66] 66,85 unequal: No Solution Exploring Operation: 73*7=511, Resulting Numbers: [511] 511,85 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 #0,1 Current State: 85:[4, 73, 30], Operations: ['45-15=30'] Exploring Operation: 73+30=103, Resulting Numbers: [4, 103] Generated Node #0,1,0: 85:[4, 103] Operation: 73+30=103 Exploring Operation: 4+73=77, Resulting Numbers: [30, 77] Generated Node #0,1,1: 85:[30, 77] Operation: 4+73=77 Exploring Operation: 30-4=26, Resulting Numbers: [73, 26] Generated Node #0,1,2: 85:[73, 26] Operation: 30-4=26 Moving to Node #0,1,0 Current State: 85:[4, 103], Operations: ['45-15=30', '73+30=103'] Exploring Operation: 4+103=107, Resulting Numbers: [107] 107,85 unequal: No Solution Exploring Operation: 103-4=99, Resulting Numbers: [99] 99,85 unequal: No Solution Exploring Operation: 4*103=412, Resulting Numbers: [412] 412,85 unequal: No Solution Moving to Node #0,1,1 Current State: 85:[30, 77], Operations: ['45-15=30', '4+73=77'] Exploring Operation: 77-30=47, Resulting Numbers: [47] 47,85 unequal: No Solution Exploring Operation: 30+77=107, Resulting Numbers: [107] 107,85 unequal: No Solution Exploring Operation: 30*77=2310, Resulting Numbers: [2310] 2310,85 unequal: No Solution Moving to Node #0,1,2 Current State: 85:[73, 26], Operations: ['45-15=30', '30-4=26'] Exploring Operation: 73+26=99, Resulting Numbers: [99] 99,85 unequal: No Solution Exploring Operation: 73-26=47, Resulting Numbers: [47] 47,85 unequal: No Solution Exploring Operation: 73*26=1898, Resulting Numbers: [1898] 1898,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 12, 7, 83, 49 ]
48
[ "12*7=84", "83+49=132", "132-84=48" ]
Current State: 48:[12, 7, 83, 49], Operations: [] Exploring Operation: 12*7=84, Resulting Numbers: [83, 49, 84] Generated Node #2: [83, 49, 84] from Operation: 12*7=84 Current State: 48:[83, 49, 84], Operations: ['12*7=84'] Exploring Operation: 83+49=132, Resulting Numbers: [84, 132] Generated Node #3: [84, 132] from Operation: 83+49=132 Current State: 48:[84, 132], Operations: ['12*7=84', '83+49=132'] Exploring Operation: 132-84=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[12, 7, 83, 49], Operations: [] Exploring Operation: 83-49=34, Resulting Numbers: [12, 7, 34] Generated Node #0,0: 48:[12, 7, 34] Operation: 83-49=34 Exploring Operation: 83-7=76, Resulting Numbers: [12, 49, 76] Generated Node #0,1: 48:[12, 49, 76] Operation: 83-7=76 Exploring Operation: 49/7=7, Resulting Numbers: [12, 83, 7] Generated Node #0,2: 48:[12, 83, 7] Operation: 49/7=7 Exploring Operation: 83-12=71, Resulting Numbers: [7, 49, 71] Generated Node #0,3: 48:[7, 49, 71] Operation: 83-12=71 Moving to Node #0,0 Current State: 48:[12, 7, 34], Operations: ['83-49=34'] Exploring Operation: 34-12=22, Resulting Numbers: [7, 22] Generated Node #0,0,0: 48:[7, 22] Operation: 34-12=22 Exploring Operation: 12+34=46, Resulting Numbers: [7, 46] Generated Node #0,0,1: 48:[7, 46] Operation: 12+34=46 Exploring Operation: 7+34=41, Resulting Numbers: [12, 41] Generated Node #0,0,2: 48:[12, 41] Operation: 7+34=41 Exploring Operation: 34-7=27, Resulting Numbers: [12, 27] Generated Node #0,0,3: 48:[12, 27] Operation: 34-7=27 Moving to Node #0,3 Current State: 48:[7, 49, 71], Operations: ['83-12=71'] Exploring Operation: 49-7=42, Resulting Numbers: [71, 42] Generated Node #0,3,0: 48:[71, 42] Operation: 49-7=42 Exploring Operation: 71-49=22, Resulting Numbers: [7, 22] Generated Node #0,3,1: 48:[7, 22] Operation: 71-49=22 Exploring Operation: 71-7=64, Resulting Numbers: [49, 64] Generated Node #0,3,2: 48:[49, 64] Operation: 71-7=64 Exploring Operation: 49/7=7, Resulting Numbers: [71, 7] Generated Node #0,3,3: 48:[71, 7] Operation: 49/7=7 Moving to Node #0,1 Current State: 48:[12, 49, 76], Operations: ['83-7=76'] Exploring Operation: 76-12=64, Resulting Numbers: [49, 64] Generated Node #0,1,0: 48:[49, 64] Operation: 76-12=64 Exploring Operation: 12+49=61, Resulting Numbers: [76, 61] Generated Node #0,1,1: 48:[76, 61] Operation: 12+49=61 Exploring Operation: 76-49=27, Resulting Numbers: [12, 27] Generated Node #0,1,2: 48:[12, 27] Operation: 76-49=27 Exploring Operation: 49-12=37, Resulting Numbers: [76, 37] Generated Node #0,1,3: 48:[76, 37] Operation: 49-12=37 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 48:[12, 27], Operations: ['83-7=76', '76-49=27'] Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,48 unequal: No Solution Exploring Operation: 12+27=39, Resulting Numbers: [39] 39,48 unequal: No Solution Exploring Operation: 12*27=324, Resulting Numbers: [324] 324,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[49, 64], Operations: ['83-7=76', '76-12=64'] Exploring Operation: 49+64=113, Resulting Numbers: [113] 113,48 unequal: No Solution Exploring Operation: 49*64=3136, Resulting Numbers: [3136] 3136,48 unequal: No Solution Exploring Operation: 64-49=15, Resulting Numbers: [15] 15,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 48:[76, 37], Operations: ['83-7=76', '49-12=37'] Exploring Operation: 76-37=39, Resulting Numbers: [39] 39,48 unequal: No Solution Exploring Operation: 76*37=2812, Resulting Numbers: [2812] 2812,48 unequal: No Solution Exploring Operation: 76+37=113, Resulting Numbers: [113] 113,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[76, 61], Operations: ['83-7=76', '12+49=61'] Exploring Operation: 76-61=15, Resulting Numbers: [15] 15,48 unequal: No Solution Exploring Operation: 76+61=137, Resulting Numbers: [137] 137,48 unequal: No Solution Exploring Operation: 76*61=4636, Resulting Numbers: [4636] 4636,48 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: 48:[12, 83, 7], Operations: ['49/7=7'] Exploring Operation: 83-7=76, Resulting Numbers: [12, 76] Generated Node #0,2,0: 48:[12, 76] Operation: 83-7=76 Exploring Operation: 12-7=5, Resulting Numbers: [83, 5] Generated Node #0,2,1: 48:[83, 5] Operation: 12-7=5 Exploring Operation: 83-12=71, Resulting Numbers: [7, 71] Generated Node #0,2,2: 48:[7, 71] Operation: 83-12=71 Exploring Operation: 12+7=19, Resulting Numbers: [83, 19] Generated Node #0,2,3: 48:[83, 19] Operation: 12+7=19 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 48:[7, 71], Operations: ['49/7=7', '83-12=71'] Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,48 unequal: No Solution Exploring Operation: 7*71=497, Resulting Numbers: [497] 497,48 unequal: No Solution Exploring Operation: 7+71=78, Resulting Numbers: [78] 78,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 48:[12, 76], Operations: ['49/7=7', '83-7=76'] Exploring Operation: 12+76=88, Resulting Numbers: [88] 88,48 unequal: No Solution Exploring Operation: 76-12=64, Resulting Numbers: [64] 64,48 unequal: No Solution Exploring Operation: 12*76=912, Resulting Numbers: [912] 912,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 48:[83, 5], Operations: ['49/7=7', '12-7=5'] Exploring Operation: 83*5=415, Resulting Numbers: [415] 415,48 unequal: No Solution Exploring Operation: 83+5=88, Resulting Numbers: [88] 88,48 unequal: No Solution Exploring Operation: 83-5=78, Resulting Numbers: [78] 78,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 48:[83, 19], Operations: ['49/7=7', '12+7=19'] Exploring Operation: 83*19=1577, Resulting Numbers: [1577] 1577,48 unequal: No Solution Exploring Operation: 83-19=64, Resulting Numbers: [64] 64,48 unequal: No Solution Exploring Operation: 83+19=102, Resulting Numbers: [102] 102,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 48:[7, 22], Operations: ['83-49=34', '34-12=22'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,48 unequal: No Solution Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,48 unequal: No Solution Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,48 unequal: No Solution Moving to Node #0,0,3 Current State: 48:[12, 27], Operations: ['83-49=34', '34-7=27'] Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,48 unequal: No Solution Exploring Operation: 12*27=324, Resulting Numbers: [324] 324,48 unequal: No Solution Exploring Operation: 12+27=39, Resulting Numbers: [39] 39,48 unequal: No Solution Moving to Node #0,0,1 Current State: 48:[7, 46], Operations: ['83-49=34', '12+34=46'] Exploring Operation: 7*46=322, Resulting Numbers: [322] 322,48 unequal: No Solution Exploring Operation: 7+46=53, Resulting Numbers: [53] 53,48 unequal: No Solution Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,48 unequal: No Solution Moving to Node #0,3,1 Current State: 48:[7, 22], Operations: ['83-12=71', '71-49=22'] Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,48 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,48 unequal: No Solution Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,48 unequal: No Solution Moving to Node #0,0,2 Current State: 48:[12, 41], Operations: ['83-49=34', '7+34=41'] Exploring Operation: 41-12=29, Resulting Numbers: [29] 29,48 unequal: No Solution Exploring Operation: 12*41=492, Resulting Numbers: [492] 492,48 unequal: No Solution Exploring Operation: 12+41=53, Resulting Numbers: [53] 53,48 unequal: No Solution Moving to Node #0,3,2 Current State: 48:[49, 64], Operations: ['83-12=71', '71-7=64'] Exploring Operation: 49+64=113, Resulting Numbers: [113] 113,48 unequal: No Solution Exploring Operation: 64-49=15, Resulting Numbers: [15] 15,48 unequal: No Solution Exploring Operation: 49*64=3136, Resulting Numbers: [3136] 3136,48 unequal: No Solution Moving to Node #0,3,3 Current State: 48:[71, 7], Operations: ['83-12=71', '49/7=7'] Exploring Operation: 71+7=78, Resulting Numbers: [78] 78,48 unequal: No Solution Exploring Operation: 71*7=497, Resulting Numbers: [497] 497,48 unequal: No Solution Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,48 unequal: No Solution Moving to Node #0,3,0 Current State: 48:[71, 42], Operations: ['83-12=71', '49-7=42'] Exploring Operation: 71+42=113, Resulting Numbers: [113] 113,48 unequal: No Solution Exploring Operation: 71*42=2982, Resulting Numbers: [2982] 2982,48 unequal: No Solution Exploring Operation: 71-42=29, Resulting Numbers: [29] 29,48 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 35, 54, 85, 11 ]
77
[ "54-35=19", "85+11=96", "96-19=77" ]
Current State: 77:[35, 54, 85, 11], Operations: [] Exploring Operation: 54-35=19, Resulting Numbers: [85, 11, 19] Generated Node #2: [85, 11, 19] from Operation: 54-35=19 Current State: 77:[85, 11, 19], Operations: ['54-35=19'] Exploring Operation: 85+11=96, Resulting Numbers: [19, 96] Generated Node #3: [19, 96] from Operation: 85+11=96 Current State: 77:[19, 96], Operations: ['54-35=19', '85+11=96'] Exploring Operation: 96-19=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[35, 54, 85, 11], Operations: [] Exploring Operation: 35-11=24, Resulting Numbers: [54, 85, 24] Generated Node #0,0: 77:[54, 85, 24] Operation: 35-11=24 Exploring Operation: 35+54=89, Resulting Numbers: [85, 11, 89] Generated Node #0,1: 77:[85, 11, 89] Operation: 35+54=89 Exploring Operation: 85-54=31, Resulting Numbers: [35, 11, 31] Generated Node #0,2: 77:[35, 11, 31] Operation: 85-54=31 Exploring Operation: 54-35=19, Resulting Numbers: [85, 11, 19] Generated Node #0,3: 77:[85, 11, 19] Operation: 54-35=19 Start Sub Search at level 1: Moving to Node #0,3 Current State: 77:[85, 11, 19], Operations: ['54-35=19'] Exploring Operation: 85-11=74, Resulting Numbers: [19, 74] Generated Node #0,3,0: 77:[19, 74] Operation: 85-11=74 Exploring Operation: 85-19=66, Resulting Numbers: [11, 66] Generated Node #0,3,1: 77:[11, 66] Operation: 85-19=66 Exploring Operation: 19-11=8, Resulting Numbers: [85, 8] Generated Node #0,3,2: 77:[85, 8] Operation: 19-11=8 Exploring Operation: 85+11=96, Resulting Numbers: [19, 96] Generated Node #0,3,3: 77:[19, 96] Operation: 85+11=96 Moving to Node #0,3,2 Current State: 77:[85, 8], Operations: ['54-35=19', '19-11=8'] Exploring Operation: 85+8=93, Resulting Numbers: [93] 93,77 unequal: No Solution Exploring Operation: 85-8=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[35, 54, 85, 11], Operations: [] Exploring Operation: 54-35=19, Resulting Numbers: [85, 11, 19] Generated Node #0,3: 77:[85, 11, 19] Operation: 54-35=19 Moving to Node #0,3 Current State: 77:[85, 11, 19], Operations: ['54-35=19'] Exploring Operation: 19-11=8, Resulting Numbers: [85, 8] Generated Node #0,3,2: 77:[85, 8] Operation: 19-11=8 Moving to Node #0,3,2 Current State: 77:[85, 8], Operations: ['54-35=19', '19-11=8'] Exploring Operation: 85-8=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 76, 36, 6, 12 ]
13
[ "76*6=456", "12+456=468", "468/36=13" ]
Current State: 13:[76, 36, 6, 12], Operations: [] Exploring Operation: 76*6=456, Resulting Numbers: [36, 12, 456] Generated Node #2: [36, 12, 456] from Operation: 76*6=456 Current State: 13:[36, 12, 456], Operations: ['76*6=456'] Exploring Operation: 12+456=468, Resulting Numbers: [36, 468] Generated Node #3: [36, 468] from Operation: 12+456=468 Current State: 13:[36, 468], Operations: ['76*6=456', '12+456=468'] Exploring Operation: 468/36=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[76, 36, 6, 12], Operations: [] Exploring Operation: 36/12=3, Resulting Numbers: [76, 6, 3] Generated Node #0,0: 13:[76, 6, 3] Operation: 36/12=3 Exploring Operation: 76-6=70, Resulting Numbers: [36, 12, 70] Generated Node #0,1: 13:[36, 12, 70] Operation: 76-6=70 Exploring Operation: 76-12=64, Resulting Numbers: [36, 6, 64] Generated Node #0,2: 13:[36, 6, 64] Operation: 76-12=64 Exploring Operation: 36/6=6, Resulting Numbers: [76, 12, 6] Generated Node #0,3: 13:[76, 12, 6] Operation: 36/6=6 Exploring Operation: 76-36=40, Resulting Numbers: [6, 12, 40] Generated Node #0,4: 13:[6, 12, 40] Operation: 76-36=40 Start Sub Search at level 1: Moving to Node #0,4 Current State: 13:[6, 12, 40], Operations: ['76-36=40'] Exploring Operation: 40-6=34, Resulting Numbers: [12, 34] Generated Node #0,4,0: 13:[12, 34] Operation: 40-6=34 Exploring Operation: 40-12=28, Resulting Numbers: [6, 28] Generated Node #0,4,1: 13:[6, 28] Operation: 40-12=28 Exploring Operation: 6+12=18, Resulting Numbers: [40, 18] Generated Node #0,4,2: 13:[40, 18] Operation: 6+12=18 Exploring Operation: 12-6=6, Resulting Numbers: [40, 6] Generated Node #0,4,3: 13:[40, 6] Operation: 12-6=6 Exploring Operation: 6+40=46, Resulting Numbers: [12, 46] Generated Node #0,4,4: 13:[12, 46] Operation: 6+40=46 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 13:[12, 34], Operations: ['76-36=40', '40-6=34'] Exploring Operation: 12*34=408, Resulting Numbers: [408] 408,13 unequal: No Solution Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,13 unequal: No Solution Exploring Operation: 12+34=46, Resulting Numbers: [46] 46,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 13:[6, 28], Operations: ['76-36=40', '40-12=28'] Exploring Operation: 6*28=168, Resulting Numbers: [168] 168,13 unequal: No Solution Exploring Operation: 6+28=34, Resulting Numbers: [34] 34,13 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 13:[40, 18], Operations: ['76-36=40', '6+12=18'] Exploring Operation: 40+18=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,13 unequal: No Solution Exploring Operation: 40*18=720, Resulting Numbers: [720] 720,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 13:[40, 6], Operations: ['76-36=40', '12-6=6'] Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,13 unequal: No Solution Exploring Operation: 40+6=46, Resulting Numbers: [46] 46,13 unequal: No Solution Exploring Operation: 40*6=240, Resulting Numbers: [240] 240,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 13:[12, 46], Operations: ['76-36=40', '6+40=46'] Exploring Operation: 12*46=552, Resulting Numbers: [552] 552,13 unequal: No Solution Exploring Operation: 12+46=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 46-12=34, Resulting Numbers: [34] 34,13 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: 13:[76, 12, 6], Operations: ['36/6=6'] Exploring Operation: 76-6=70, Resulting Numbers: [12, 70] Generated Node #0,3,0: 13:[12, 70] Operation: 76-6=70 Exploring Operation: 76+6=82, Resulting Numbers: [12, 82] Generated Node #0,3,1: 13:[12, 82] Operation: 76+6=82 Exploring Operation: 76-12=64, Resulting Numbers: [6, 64] Generated Node #0,3,2: 13:[6, 64] Operation: 76-12=64 Exploring Operation: 12-6=6, Resulting Numbers: [76, 6] Generated Node #0,3,3: 13:[76, 6] Operation: 12-6=6 Exploring Operation: 12+6=18, Resulting Numbers: [76, 18] Generated Node #0,3,4: 13:[76, 18] Operation: 12+6=18 Moving to Node #0,3,0 Current State: 13:[12, 70], Operations: ['36/6=6', '76-6=70'] Exploring Operation: 12+70=82, Resulting Numbers: [82] 82,13 unequal: No Solution Exploring Operation: 70-12=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 12*70=840, Resulting Numbers: [840] 840,13 unequal: No Solution Moving to Node #0,3,2 Current State: 13:[6, 64], Operations: ['36/6=6', '76-12=64'] Exploring Operation: 6+64=70, Resulting Numbers: [70] 70,13 unequal: No Solution Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 6*64=384, Resulting Numbers: [384] 384,13 unequal: No Solution Moving to Node #0,3,4 Current State: 13:[76, 18], Operations: ['36/6=6', '12+6=18'] Exploring Operation: 76+18=94, Resulting Numbers: [94] 94,13 unequal: No Solution Exploring Operation: 76*18=1368, Resulting Numbers: [1368] 1368,13 unequal: No Solution Exploring Operation: 76-18=58, Resulting Numbers: [58] 58,13 unequal: No Solution Moving to Node #0,3,1 Current State: 13:[12, 82], Operations: ['36/6=6', '76+6=82'] Exploring Operation: 12+82=94, Resulting Numbers: [94] 94,13 unequal: No Solution Exploring Operation: 12*82=984, Resulting Numbers: [984] 984,13 unequal: No Solution Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,13 unequal: No Solution Moving to Node #0,3,3 Current State: 13:[76, 6], Operations: ['36/6=6', '12-6=6'] Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,13 unequal: No Solution Exploring Operation: 76*6=456, Resulting Numbers: [456] 456,13 unequal: No Solution Exploring Operation: 76+6=82, Resulting Numbers: [82] 82,13 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 #0,0 Current State: 13:[76, 6, 3], Operations: ['36/12=3'] Exploring Operation: 76-6=70, Resulting Numbers: [3, 70] Generated Node #0,0,0: 13:[3, 70] Operation: 76-6=70 Exploring Operation: 76+3=79, Resulting Numbers: [6, 79] Generated Node #0,0,1: 13:[6, 79] Operation: 76+3=79 Exploring Operation: 6+3=9, Resulting Numbers: [76, 9] Generated Node #0,0,2: 13:[76, 9] Operation: 6+3=9 Exploring Operation: 76-3=73, Resulting Numbers: [6, 73] Generated Node #0,0,3: 13:[6, 73] Operation: 76-3=73 Exploring Operation: 6*3=18, Resulting Numbers: [76, 18] Generated Node #0,0,4: 13:[76, 18] Operation: 6*3=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[3, 70], Operations: ['36/12=3', '76-6=70'] Exploring Operation: 3*70=210, Resulting Numbers: [210] 210,13 unequal: No Solution Exploring Operation: 70-3=67, Resulting Numbers: [67] 67,13 unequal: No Solution Exploring Operation: 3+70=73, Resulting Numbers: [73] 73,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 13:[76, 9], Operations: ['36/12=3', '6+3=9'] Exploring Operation: 76-9=67, Resulting Numbers: [67] 67,13 unequal: No Solution Exploring Operation: 76*9=684, Resulting Numbers: [684] 684,13 unequal: No Solution Exploring Operation: 76+9=85, Resulting Numbers: [85] 85,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 13:[6, 73], Operations: ['36/12=3', '76-3=73'] Exploring Operation: 73-6=67, Resulting Numbers: [67] 67,13 unequal: No Solution Exploring Operation: 6+73=79, Resulting Numbers: [79] 79,13 unequal: No Solution Exploring Operation: 6*73=438, Resulting Numbers: [438] 438,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 13:[76, 18], Operations: ['36/12=3', '6*3=18'] Exploring Operation: 76+18=94, Resulting Numbers: [94] 94,13 unequal: No Solution Exploring Operation: 76-18=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 76*18=1368, Resulting Numbers: [1368] 1368,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 13:[6, 79], Operations: ['36/12=3', '76+3=79'] Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,13 unequal: No Solution Exploring Operation: 6+79=85, Resulting Numbers: [85] 85,13 unequal: No Solution Exploring Operation: 6*79=474, Resulting Numbers: [474] 474,13 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: 13:[36, 12, 70], Operations: ['76-6=70'] Exploring Operation: 36/12=3, Resulting Numbers: [70, 3] Generated Node #0,1,0: 13:[70, 3] Operation: 36/12=3 Exploring Operation: 36+12=48, Resulting Numbers: [70, 48] Generated Node #0,1,1: 13:[70, 48] Operation: 36+12=48 Exploring Operation: 36-12=24, Resulting Numbers: [70, 24] Generated Node #0,1,2: 13:[70, 24] Operation: 36-12=24 Exploring Operation: 70-36=34, Resulting Numbers: [12, 34] Generated Node #0,1,3: 13:[12, 34] Operation: 70-36=34 Exploring Operation: 70-12=58, Resulting Numbers: [36, 58] Generated Node #0,1,4: 13:[36, 58] Operation: 70-12=58 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 13:[12, 34], Operations: ['76-6=70', '70-36=34'] Exploring Operation: 12+34=46, Resulting Numbers: [46] 46,13 unequal: No Solution Exploring Operation: 12*34=408, Resulting Numbers: [408] 408,13 unequal: No Solution Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 13:[70, 3], Operations: ['76-6=70', '36/12=3'] Exploring Operation: 70-3=67, Resulting Numbers: [67] 67,13 unequal: No Solution Exploring Operation: 70*3=210, Resulting Numbers: [210] 210,13 unequal: No Solution Exploring Operation: 70+3=73, Resulting Numbers: [73] 73,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 13:[70, 24], Operations: ['76-6=70', '36-12=24'] Exploring Operation: 70*24=1680, Resulting Numbers: [1680] 1680,13 unequal: No Solution Exploring Operation: 70+24=94, Resulting Numbers: [94] 94,13 unequal: No Solution Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 13:[36, 58], Operations: ['76-6=70', '70-12=58'] Exploring Operation: 58-36=22, Resulting Numbers: [22] 22,13 unequal: No Solution Exploring Operation: 36*58=2088, Resulting Numbers: [2088] 2088,13 unequal: No Solution Exploring Operation: 36+58=94, Resulting Numbers: [94] 94,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 13:[70, 48], Operations: ['76-6=70', '36+12=48'] Exploring Operation: 70+48=118, Resulting Numbers: [118] 118,13 unequal: No Solution Exploring Operation: 70-48=22, Resulting Numbers: [22] 22,13 unequal: No Solution Exploring Operation: 70*48=3360, Resulting Numbers: [3360] 3360,13 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: 13:[36, 6, 64], Operations: ['76-12=64'] Exploring Operation: 36/6=6, Resulting Numbers: [64, 6] Generated Node #0,2,0: 13:[64, 6] Operation: 36/6=6 Exploring Operation: 36-6=30, Resulting Numbers: [64, 30] Generated Node #0,2,1: 13:[64, 30] Operation: 36-6=30 Exploring Operation: 64-36=28, Resulting Numbers: [6, 28] Generated Node #0,2,2: 13:[6, 28] Operation: 64-36=28 Exploring Operation: 64-6=58, Resulting Numbers: [36, 58] Generated Node #0,2,3: 13:[36, 58] Operation: 64-6=58 Exploring Operation: 36+6=42, Resulting Numbers: [64, 42] Generated Node #0,2,4: 13:[64, 42] Operation: 36+6=42 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 13:[6, 28], Operations: ['76-12=64', '64-36=28'] Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,13 unequal: No Solution Exploring Operation: 6+28=34, Resulting Numbers: [34] 34,13 unequal: No Solution Exploring Operation: 6*28=168, Resulting Numbers: [168] 168,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 13:[64, 6], Operations: ['76-12=64', '36/6=6'] Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 64+6=70, Resulting Numbers: [70] 70,13 unequal: No Solution Exploring Operation: 64*6=384, Resulting Numbers: [384] 384,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 13:[64, 30], Operations: ['76-12=64', '36-6=30'] Exploring Operation: 64-30=34, Resulting Numbers: [34] 34,13 unequal: No Solution Exploring Operation: 64*30=1920, Resulting Numbers: [1920] 1920,13 unequal: No Solution Exploring Operation: 64+30=94, Resulting Numbers: [94] 94,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 13:[36, 58], Operations: ['76-12=64', '64-6=58'] Exploring Operation: 58-36=22, Resulting Numbers: [22] 22,13 unequal: No Solution Exploring Operation: 36+58=94, Resulting Numbers: [94] 94,13 unequal: No Solution Exploring Operation: 36*58=2088, Resulting Numbers: [2088] 2088,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 13:[64, 42], Operations: ['76-12=64', '36+6=42'] Exploring Operation: 64+42=106, Resulting Numbers: [106] 106,13 unequal: No Solution Exploring Operation: 64-42=22, Resulting Numbers: [22] 22,13 unequal: No Solution Exploring Operation: 64*42=2688, Resulting Numbers: [2688] 2688,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 65, 19, 81, 65 ]
19
[ "65-65=0", "81*0=0", "19+0=19" ]
Current State: 19:[65, 19, 81, 65], Operations: [] Exploring Operation: 65-65=0, Resulting Numbers: [19, 81, 0] Generated Node #2: [19, 81, 0] from Operation: 65-65=0 Current State: 19:[19, 81, 0], Operations: ['65-65=0'] Exploring Operation: 81*0=0, Resulting Numbers: [19, 0] Generated Node #3: [19, 0] from Operation: 81*0=0 Current State: 19:[19, 0], Operations: ['65-65=0', '81*0=0'] Exploring Operation: 19+0=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[65, 19, 81, 65], Operations: [] Exploring Operation: 81-65=16, Resulting Numbers: [19, 65, 16] Generated Node #0,0: 19:[19, 65, 16] Operation: 81-65=16 Exploring Operation: 81-65=16, Resulting Numbers: [65, 19, 16] Generated Node #0,1: 19:[65, 19, 16] Operation: 81-65=16 Exploring Operation: 65/65=1, Resulting Numbers: [19, 81, 1] Generated Node #0,2: 19:[19, 81, 1] Operation: 65/65=1 Moving to Node #0,0 Current State: 19:[19, 65, 16], Operations: ['81-65=16'] Exploring Operation: 19+16=35, Resulting Numbers: [65, 35] Generated Node #0,0,0: 19:[65, 35] Operation: 19+16=35 Exploring Operation: 65-16=49, Resulting Numbers: [19, 49] Generated Node #0,0,1: 19:[19, 49] Operation: 65-16=49 Exploring Operation: 65-19=46, Resulting Numbers: [16, 46] Generated Node #0,0,2: 19:[16, 46] Operation: 65-19=46 Moving to Node #0,1 Current State: 19:[65, 19, 16], Operations: ['81-65=16'] Exploring Operation: 65+16=81, Resulting Numbers: [19, 81] Generated Node #0,1,0: 19:[19, 81] Operation: 65+16=81 Exploring Operation: 65-19=46, Resulting Numbers: [16, 46] Generated Node #0,1,1: 19:[16, 46] Operation: 65-19=46 Exploring Operation: 65-16=49, Resulting Numbers: [19, 49] Generated Node #0,1,2: 19:[19, 49] Operation: 65-16=49 Moving to Node #0,2 Current State: 19:[19, 81, 1], Operations: ['65/65=1'] Exploring Operation: 19*1=19, Resulting Numbers: [81, 19] Generated Node #0,2,0: 19:[81, 19] Operation: 19*1=19 Exploring Operation: 81-1=80, Resulting Numbers: [19, 80] Generated Node #0,2,1: 19:[19, 80] Operation: 81-1=80 Exploring Operation: 81-19=62, Resulting Numbers: [1, 62] Generated Node #0,2,2: 19:[1, 62] Operation: 81-19=62 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 19:[19, 80], Operations: ['65/65=1', '81-1=80'] Exploring Operation: 19+80=99, Resulting Numbers: [99] 99,19 unequal: No Solution Exploring Operation: 80-19=61, Resulting Numbers: [61] 61,19 unequal: No Solution Exploring Operation: 19*80=1520, Resulting Numbers: [1520] 1520,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 19:[1, 62], Operations: ['65/65=1', '81-19=62'] Exploring Operation: 62-1=61, Resulting Numbers: [61] 61,19 unequal: No Solution Exploring Operation: 1*62=62, Resulting Numbers: [62] 62,19 unequal: No Solution Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 19:[81, 19], Operations: ['65/65=1', '19*1=19'] Exploring Operation: 81+19=100, Resulting Numbers: [100] 100,19 unequal: No Solution Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,19 unequal: No Solution Exploring Operation: 81*19=1539, Resulting Numbers: [1539] 1539,19 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: 19:[19, 49], Operations: ['81-65=16', '65-16=49'] Exploring Operation: 49-19=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 19*49=931, Resulting Numbers: [931] 931,19 unequal: No Solution Exploring Operation: 19+49=68, Resulting Numbers: [68] 68,19 unequal: No Solution Moving to Node #0,0,2 Current State: 19:[16, 46], Operations: ['81-65=16', '65-19=46'] Exploring Operation: 16+46=62, Resulting Numbers: [62] 62,19 unequal: No Solution Exploring Operation: 16*46=736, Resulting Numbers: [736] 736,19 unequal: No Solution Exploring Operation: 46-16=30, Resulting Numbers: [30] 30,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[19, 49], Operations: ['81-65=16', '65-16=49'] Exploring Operation: 49-19=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 19*49=931, Resulting Numbers: [931] 931,19 unequal: No Solution Exploring Operation: 19+49=68, Resulting Numbers: [68] 68,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[16, 46], Operations: ['81-65=16', '65-19=46'] Exploring Operation: 16+46=62, Resulting Numbers: [62] 62,19 unequal: No Solution Exploring Operation: 16*46=736, Resulting Numbers: [736] 736,19 unequal: No Solution Exploring Operation: 46-16=30, Resulting Numbers: [30] 30,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[19, 81], Operations: ['81-65=16', '65+16=81'] Exploring Operation: 19*81=1539, Resulting Numbers: [1539] 1539,19 unequal: No Solution Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,19 unequal: No Solution Exploring Operation: 19+81=100, Resulting Numbers: [100] 100,19 unequal: No Solution Moving to Node #0,0,0 Current State: 19:[65, 35], Operations: ['81-65=16', '19+16=35'] Exploring Operation: 65*35=2275, Resulting Numbers: [2275] 2275,19 unequal: No Solution Exploring Operation: 65-35=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 65+35=100, Resulting Numbers: [100] 100,19 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 17, 35, 97, 19 ]
27
[ "19-17=2", "35*2=70", "97-70=27" ]
Current State: 27:[17, 35, 97, 19], Operations: [] Exploring Operation: 19-17=2, Resulting Numbers: [35, 97, 2] Generated Node #2: [35, 97, 2] from Operation: 19-17=2 Current State: 27:[35, 97, 2], Operations: ['19-17=2'] Exploring Operation: 35*2=70, Resulting Numbers: [97, 70] Generated Node #3: [97, 70] from Operation: 35*2=70 Current State: 27:[97, 70], Operations: ['19-17=2', '35*2=70'] Exploring Operation: 97-70=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[17, 35, 97, 19], Operations: [] Exploring Operation: 97-19=78, Resulting Numbers: [17, 35, 78] Generated Node #0,0: 27:[17, 35, 78] Operation: 97-19=78 Exploring Operation: 97-35=62, Resulting Numbers: [17, 19, 62] Generated Node #0,1: 27:[17, 19, 62] Operation: 97-35=62 Exploring Operation: 97-17=80, Resulting Numbers: [35, 19, 80] Generated Node #0,2: 27:[35, 19, 80] Operation: 97-17=80 Exploring Operation: 19-17=2, Resulting Numbers: [35, 97, 2] Generated Node #0,3: 27:[35, 97, 2] Operation: 19-17=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[17, 19, 62], Operations: ['97-35=62'] Exploring Operation: 17+19=36, Resulting Numbers: [62, 36] Generated Node #0,1,0: 27:[62, 36] Operation: 17+19=36 Exploring Operation: 62-19=43, Resulting Numbers: [17, 43] Generated Node #0,1,1: 27:[17, 43] Operation: 62-19=43 Exploring Operation: 62-17=45, Resulting Numbers: [19, 45] Generated Node #0,1,2: 27:[19, 45] Operation: 62-17=45 Exploring Operation: 19-17=2, Resulting Numbers: [62, 2] Generated Node #0,1,3: 27:[62, 2] Operation: 19-17=2 Moving to Node #0,1,1 Current State: 27:[17, 43], Operations: ['97-35=62', '62-19=43'] Exploring Operation: 17*43=731, Resulting Numbers: [731] 731,27 unequal: No Solution Exploring Operation: 17+43=60, Resulting Numbers: [60] 60,27 unequal: No Solution Exploring Operation: 43-17=26, Resulting Numbers: [26] 26,27 unequal: No Solution Moving to Node #0,1,2 Current State: 27:[19, 45], Operations: ['97-35=62', '62-17=45'] Exploring Operation: 19*45=855, Resulting Numbers: [855] 855,27 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,27 unequal: No Solution Exploring Operation: 19+45=64, Resulting Numbers: [64] 64,27 unequal: No Solution Moving to Node #0,1,3 Current State: 27:[62, 2], Operations: ['97-35=62', '19-17=2'] Exploring Operation: 62*2=124, Resulting Numbers: [124] 124,27 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,27 unequal: No Solution Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,27 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,27 unequal: No Solution Moving to Node #0,1,0 Current State: 27:[62, 36], Operations: ['97-35=62', '17+19=36'] Exploring Operation: 62*36=2232, Resulting Numbers: [2232] 2232,27 unequal: No Solution Exploring Operation: 62+36=98, Resulting Numbers: [98] 98,27 unequal: No Solution Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[17, 35, 78], Operations: ['97-19=78'] Exploring Operation: 35-17=18, Resulting Numbers: [78, 18] Generated Node #0,0,0: 27:[78, 18] Operation: 35-17=18 Exploring Operation: 17+35=52, Resulting Numbers: [78, 52] Generated Node #0,0,1: 27:[78, 52] Operation: 17+35=52 Exploring Operation: 78-17=61, Resulting Numbers: [35, 61] Generated Node #0,0,2: 27:[35, 61] Operation: 78-17=61 Exploring Operation: 78-35=43, Resulting Numbers: [17, 43] Generated Node #0,0,3: 27:[17, 43] Operation: 78-35=43 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 27:[17, 43], Operations: ['97-19=78', '78-35=43'] Exploring Operation: 43-17=26, Resulting Numbers: [26] 26,27 unequal: No Solution Exploring Operation: 17+43=60, Resulting Numbers: [60] 60,27 unequal: No Solution Exploring Operation: 17*43=731, Resulting Numbers: [731] 731,27 unequal: No Solution No 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: 27:[35, 61], Operations: ['97-19=78', '78-17=61'] Exploring Operation: 61-35=26, Resulting Numbers: [26] 26,27 unequal: No Solution Exploring Operation: 35*61=2135, Resulting Numbers: [2135] 2135,27 unequal: No Solution Exploring Operation: 35+61=96, Resulting Numbers: [96] 96,27 unequal: No Solution No 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: 27:[78, 18], Operations: ['97-19=78', '35-17=18'] Exploring Operation: 78-18=60, Resulting Numbers: [60] 60,27 unequal: No Solution Exploring Operation: 78+18=96, Resulting Numbers: [96] 96,27 unequal: No Solution Exploring Operation: 78*18=1404, Resulting Numbers: [1404] 1404,27 unequal: No Solution No 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: 27:[78, 52], Operations: ['97-19=78', '17+35=52'] Exploring Operation: 78*52=4056, Resulting Numbers: [4056] 4056,27 unequal: No Solution Exploring Operation: 78+52=130, Resulting Numbers: [130] 130,27 unequal: No Solution Exploring Operation: 78-52=26, Resulting Numbers: [26] 26,27 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: 27:[35, 19, 80], Operations: ['97-17=80'] Exploring Operation: 80-35=45, Resulting Numbers: [19, 45] Generated Node #0,2,0: 27:[19, 45] Operation: 80-35=45 Exploring Operation: 35-19=16, Resulting Numbers: [80, 16] Generated Node #0,2,1: 27:[80, 16] Operation: 35-19=16 Exploring Operation: 80-19=61, Resulting Numbers: [35, 61] Generated Node #0,2,2: 27:[35, 61] Operation: 80-19=61 Exploring Operation: 35+19=54, Resulting Numbers: [80, 54] Generated Node #0,2,3: 27:[80, 54] Operation: 35+19=54 Moving to Node #0,2,0 Current State: 27:[19, 45], Operations: ['97-17=80', '80-35=45'] Exploring Operation: 19*45=855, Resulting Numbers: [855] 855,27 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,27 unequal: No Solution Exploring Operation: 19+45=64, Resulting Numbers: [64] 64,27 unequal: No Solution Moving to Node #0,2,2 Current State: 27:[35, 61], Operations: ['97-17=80', '80-19=61'] Exploring Operation: 61-35=26, Resulting Numbers: [26] 26,27 unequal: No Solution Exploring Operation: 35+61=96, Resulting Numbers: [96] 96,27 unequal: No Solution Exploring Operation: 35*61=2135, Resulting Numbers: [2135] 2135,27 unequal: No Solution Moving to Node #0,2,1 Current State: 27:[80, 16], Operations: ['97-17=80', '35-19=16'] Exploring Operation: 80+16=96, Resulting Numbers: [96] 96,27 unequal: No Solution Exploring Operation: 80/16=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 80-16=64, Resulting Numbers: [64] 64,27 unequal: No Solution Exploring Operation: 80*16=1280, Resulting Numbers: [1280] 1280,27 unequal: No Solution Moving to Node #0,2,3 Current State: 27:[80, 54], Operations: ['97-17=80', '35+19=54'] Exploring Operation: 80*54=4320, Resulting Numbers: [4320] 4320,27 unequal: No Solution Exploring Operation: 80-54=26, Resulting Numbers: [26] 26,27 unequal: No Solution Exploring Operation: 80+54=134, Resulting Numbers: [134] 134,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 27:[35, 97, 2], Operations: ['19-17=2'] Exploring Operation: 97-35=62, Resulting Numbers: [2, 62] Generated Node #0,3,0: 27:[2, 62] Operation: 97-35=62 Exploring Operation: 35+2=37, Resulting Numbers: [97, 37] Generated Node #0,3,1: 27:[97, 37] Operation: 35+2=37 Exploring Operation: 35-2=33, Resulting Numbers: [97, 33] Generated Node #0,3,2: 27:[97, 33] Operation: 35-2=33 Exploring Operation: 97-2=95, Resulting Numbers: [35, 95] Generated Node #0,3,3: 27:[35, 95] Operation: 97-2=95 Moving to Node #0,3,0 Current State: 27:[2, 62], Operations: ['19-17=2', '97-35=62'] Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,27 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,27 unequal: No Solution Exploring Operation: 2*62=124, Resulting Numbers: [124] 124,27 unequal: No Solution Exploring Operation: 2+62=64, Resulting Numbers: [64] 64,27 unequal: No Solution Moving to Node #0,3,3 Current State: 27:[35, 95], Operations: ['19-17=2', '97-2=95'] Exploring Operation: 35+95=130, Resulting Numbers: [130] 130,27 unequal: No Solution Exploring Operation: 95-35=60, Resulting Numbers: [60] 60,27 unequal: No Solution Exploring Operation: 35*95=3325, Resulting Numbers: [3325] 3325,27 unequal: No Solution Moving to Node #0,3,2 Current State: 27:[97, 33], Operations: ['19-17=2', '35-2=33'] Exploring Operation: 97-33=64, Resulting Numbers: [64] 64,27 unequal: No Solution Exploring Operation: 97*33=3201, Resulting Numbers: [3201] 3201,27 unequal: No Solution Exploring Operation: 97+33=130, Resulting Numbers: [130] 130,27 unequal: No Solution Moving to Node #0,3,1 Current State: 27:[97, 37], Operations: ['19-17=2', '35+2=37'] Exploring Operation: 97*37=3589, Resulting Numbers: [3589] 3589,27 unequal: No Solution Exploring Operation: 97+37=134, Resulting Numbers: [134] 134,27 unequal: No Solution Exploring Operation: 97-37=60, Resulting Numbers: [60] 60,27 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
[ 57, 50, 3, 5 ]
14
[ "57-50=7", "5-3=2", "7*2=14" ]
Current State: 14:[57, 50, 3, 5], Operations: [] Exploring Operation: 57-50=7, Resulting Numbers: [3, 5, 7] Generated Node #2: [3, 5, 7] from Operation: 57-50=7 Current State: 14:[3, 5, 7], Operations: ['57-50=7'] Exploring Operation: 5-3=2, Resulting Numbers: [7, 2] Generated Node #3: [7, 2] from Operation: 5-3=2 Current State: 14:[7, 2], Operations: ['57-50=7', '5-3=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[57, 50, 3, 5], Operations: [] Exploring Operation: 57-50=7, Resulting Numbers: [3, 5, 7] Generated Node #0,0: 14:[3, 5, 7] Operation: 57-50=7 Exploring Operation: 57/3=19, Resulting Numbers: [50, 5, 19] Generated Node #0,1: 14:[50, 5, 19] Operation: 57/3=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[3, 5, 7], Operations: ['57-50=7'] Exploring Operation: 5-3=2, Resulting Numbers: [7, 2] Generated Node #0,0,0: 14:[7, 2] Operation: 5-3=2 Exploring Operation: 3+5=8, Resulting Numbers: [7, 8] Generated Node #0,0,1: 14:[7, 8] Operation: 3+5=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 14:[7, 2], Operations: ['57-50=7', '5-3=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,14 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[57, 50, 3, 5], Operations: [] Exploring Operation: 57-50=7, Resulting Numbers: [3, 5, 7] Generated Node #0,0: 14:[3, 5, 7] Operation: 57-50=7 Moving to Node #0,0 Current State: 14:[3, 5, 7], Operations: ['57-50=7'] Exploring Operation: 5-3=2, Resulting Numbers: [7, 2] Generated Node #0,0,0: 14:[7, 2] Operation: 5-3=2 Moving to Node #0,0,0 Current State: 14:[7, 2], Operations: ['57-50=7', '5-3=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 27, 25, 95, 10 ]
77
[ "27*25=675", "95+675=770", "770/10=77" ]
Current State: 77:[27, 25, 95, 10], Operations: [] Exploring Operation: 27*25=675, Resulting Numbers: [95, 10, 675] Generated Node #2: [95, 10, 675] from Operation: 27*25=675 Current State: 77:[95, 10, 675], Operations: ['27*25=675'] Exploring Operation: 95+675=770, Resulting Numbers: [10, 770] Generated Node #3: [10, 770] from Operation: 95+675=770 Current State: 77:[10, 770], Operations: ['27*25=675', '95+675=770'] Exploring Operation: 770/10=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[27, 25, 95, 10], Operations: [] Exploring Operation: 27-10=17, Resulting Numbers: [25, 95, 17] Generated Node #0,0: 77:[25, 95, 17] Operation: 27-10=17 Exploring Operation: 27-25=2, Resulting Numbers: [95, 10, 2] Generated Node #0,1: 77:[95, 10, 2] Operation: 27-25=2 Exploring Operation: 95-25=70, Resulting Numbers: [27, 10, 70] Generated Node #0,2: 77:[27, 10, 70] Operation: 95-25=70 Exploring Operation: 95-27=68, Resulting Numbers: [25, 10, 68] Generated Node #0,3: 77:[25, 10, 68] Operation: 95-27=68 Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[95, 10, 2], Operations: ['27-25=2'] Exploring Operation: 10-2=8, Resulting Numbers: [95, 8] Generated Node #0,1,0: 77:[95, 8] Operation: 10-2=8 Exploring Operation: 10+2=12, Resulting Numbers: [95, 12] Generated Node #0,1,1: 77:[95, 12] Operation: 10+2=12 Exploring Operation: 95-2=93, Resulting Numbers: [10, 93] Generated Node #0,1,2: 77:[10, 93] Operation: 95-2=93 Exploring Operation: 95-10=85, Resulting Numbers: [2, 85] Generated Node #0,1,3: 77:[2, 85] Operation: 95-10=85 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 77:[2, 85], Operations: ['27-25=2', '95-10=85'] Exploring Operation: 2*85=170, Resulting Numbers: [170] 170,77 unequal: No Solution Exploring Operation: 2+85=87, Resulting Numbers: [87] 87,77 unequal: No Solution Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,77 unequal: No Solution No 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: 77:[10, 93], Operations: ['27-25=2', '95-2=93'] Exploring Operation: 10+93=103, Resulting Numbers: [103] 103,77 unequal: No Solution Exploring Operation: 10*93=930, Resulting Numbers: [930] 930,77 unequal: No Solution Exploring Operation: 93-10=83, Resulting Numbers: [83] 83,77 unequal: No Solution No 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: 77:[95, 8], Operations: ['27-25=2', '10-2=8'] Exploring Operation: 95*8=760, Resulting Numbers: [760] 760,77 unequal: No Solution Exploring Operation: 95-8=87, Resulting Numbers: [87] 87,77 unequal: No Solution Exploring Operation: 95+8=103, Resulting Numbers: [103] 103,77 unequal: No Solution No 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: 77:[95, 12], Operations: ['27-25=2', '10+2=12'] Exploring Operation: 95-12=83, Resulting Numbers: [83] 83,77 unequal: No Solution Exploring Operation: 95+12=107, Resulting Numbers: [107] 107,77 unequal: No Solution Exploring Operation: 95*12=1140, Resulting Numbers: [1140] 1140,77 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: 77:[27, 10, 70], Operations: ['95-25=70'] Exploring Operation: 70/10=7, Resulting Numbers: [27, 7] Generated Node #0,2,0: 77:[27, 7] Operation: 70/10=7 Exploring Operation: 10+70=80, Resulting Numbers: [27, 80] Generated Node #0,2,1: 77:[27, 80] Operation: 10+70=80 Exploring Operation: 27-10=17, Resulting Numbers: [70, 17] Generated Node #0,2,2: 77:[70, 17] Operation: 27-10=17 Exploring Operation: 27+70=97, Resulting Numbers: [10, 97] Generated Node #0,2,3: 77:[10, 97] Operation: 27+70=97 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 77:[70, 17], Operations: ['95-25=70', '27-10=17'] Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,77 unequal: No Solution Exploring Operation: 70+17=87, Resulting Numbers: [87] 87,77 unequal: No Solution Exploring Operation: 70*17=1190, Resulting Numbers: [1190] 1190,77 unequal: No Solution No 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: 77:[27, 7], Operations: ['95-25=70', '70/10=7'] Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,77 unequal: No Solution Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,77 unequal: No Solution Exploring Operation: 27*7=189, Resulting Numbers: [189] 189,77 unequal: No Solution No 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: 77:[27, 80], Operations: ['95-25=70', '10+70=80'] Exploring Operation: 80-27=53, Resulting Numbers: [53] 53,77 unequal: No Solution Exploring Operation: 27+80=107, Resulting Numbers: [107] 107,77 unequal: No Solution Exploring Operation: 27*80=2160, Resulting Numbers: [2160] 2160,77 unequal: No Solution No 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: 77:[10, 97], Operations: ['95-25=70', '27+70=97'] Exploring Operation: 10+97=107, Resulting Numbers: [107] 107,77 unequal: No Solution Exploring Operation: 10*97=970, Resulting Numbers: [970] 970,77 unequal: No Solution Exploring Operation: 97-10=87, Resulting Numbers: [87] 87,77 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: 77:[25, 10, 68], Operations: ['95-27=68'] Exploring Operation: 25+68=93, Resulting Numbers: [10, 93] Generated Node #0,3,0: 77:[10, 93] Operation: 25+68=93 Exploring Operation: 25+10=35, Resulting Numbers: [68, 35] Generated Node #0,3,1: 77:[68, 35] Operation: 25+10=35 Exploring Operation: 10+68=78, Resulting Numbers: [25, 78] Generated Node #0,3,2: 77:[25, 78] Operation: 10+68=78 Exploring Operation: 25-10=15, Resulting Numbers: [68, 15] Generated Node #0,3,3: 77:[68, 15] Operation: 25-10=15 Moving to Node #0,3,3 Current State: 77:[68, 15], Operations: ['95-27=68', '25-10=15'] Exploring Operation: 68*15=1020, Resulting Numbers: [1020] 1020,77 unequal: No Solution Exploring Operation: 68+15=83, Resulting Numbers: [83] 83,77 unequal: No Solution Exploring Operation: 68-15=53, Resulting Numbers: [53] 53,77 unequal: No Solution Moving to Node #0,3,2 Current State: 77:[25, 78], Operations: ['95-27=68', '10+68=78'] Exploring Operation: 25*78=1950, Resulting Numbers: [1950] 1950,77 unequal: No Solution Exploring Operation: 78-25=53, Resulting Numbers: [53] 53,77 unequal: No Solution Exploring Operation: 25+78=103, Resulting Numbers: [103] 103,77 unequal: No Solution Moving to Node #0,3,0 Current State: 77:[10, 93], Operations: ['95-27=68', '25+68=93'] Exploring Operation: 93-10=83, Resulting Numbers: [83] 83,77 unequal: No Solution Exploring Operation: 10+93=103, Resulting Numbers: [103] 103,77 unequal: No Solution Exploring Operation: 10*93=930, Resulting Numbers: [930] 930,77 unequal: No Solution Moving to Node #0,3,1 Current State: 77:[68, 35], Operations: ['95-27=68', '25+10=35'] Exploring Operation: 68*35=2380, Resulting Numbers: [2380] 2380,77 unequal: No Solution Exploring Operation: 68-35=33, Resulting Numbers: [33] 33,77 unequal: No Solution Exploring Operation: 68+35=103, Resulting Numbers: [103] 103,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[25, 95, 17], Operations: ['27-10=17'] Exploring Operation: 25-17=8, Resulting Numbers: [95, 8] Generated Node #0,0,0: 77:[95, 8] Operation: 25-17=8 Exploring Operation: 95-17=78, Resulting Numbers: [25, 78] Generated Node #0,0,1: 77:[25, 78] Operation: 95-17=78 Exploring Operation: 25+95=120, Resulting Numbers: [17, 120] Generated Node #0,0,2: 77:[17, 120] Operation: 25+95=120 Exploring Operation: 95-25=70, Resulting Numbers: [17, 70] Generated Node #0,0,3: 77:[17, 70] Operation: 95-25=70 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 77:[17, 70], Operations: ['27-10=17', '95-25=70'] Exploring Operation: 17+70=87, Resulting Numbers: [87] 87,77 unequal: No Solution Exploring Operation: 17*70=1190, Resulting Numbers: [1190] 1190,77 unequal: No Solution Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,77 unequal: No Solution No 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: 77:[25, 78], Operations: ['27-10=17', '95-17=78'] Exploring Operation: 78-25=53, Resulting Numbers: [53] 53,77 unequal: No Solution Exploring Operation: 25+78=103, Resulting Numbers: [103] 103,77 unequal: No Solution Exploring Operation: 25*78=1950, Resulting Numbers: [1950] 1950,77 unequal: No Solution No 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: 77:[95, 8], Operations: ['27-10=17', '25-17=8'] Exploring Operation: 95*8=760, Resulting Numbers: [760] 760,77 unequal: No Solution Exploring Operation: 95-8=87, Resulting Numbers: [87] 87,77 unequal: No Solution Exploring Operation: 95+8=103, Resulting Numbers: [103] 103,77 unequal: No Solution No 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: 77:[17, 120], Operations: ['27-10=17', '25+95=120'] Exploring Operation: 17*120=2040, Resulting Numbers: [2040] 2040,77 unequal: No Solution Exploring Operation: 120-17=103, Resulting Numbers: [103] 103,77 unequal: No Solution Exploring Operation: 17+120=137, Resulting Numbers: [137] 137,77 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
[ 40, 3, 30, 32 ]
25
[ "40-3=37", "30+32=62", "62-37=25" ]
Current State: 25:[40, 3, 30, 32], Operations: [] Exploring Operation: 40-3=37, Resulting Numbers: [30, 32, 37] Generated Node #2: [30, 32, 37] from Operation: 40-3=37 Current State: 25:[30, 32, 37], Operations: ['40-3=37'] Exploring Operation: 30+32=62, Resulting Numbers: [37, 62] Generated Node #3: [37, 62] from Operation: 30+32=62 Current State: 25:[37, 62], Operations: ['40-3=37', '30+32=62'] Exploring Operation: 62-37=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[40, 3, 30, 32], Operations: [] Exploring Operation: 40-32=8, Resulting Numbers: [3, 30, 8] Generated Node #0,0: 25:[3, 30, 8] Operation: 40-32=8 Exploring Operation: 30-3=27, Resulting Numbers: [40, 32, 27] Generated Node #0,1: 25:[40, 32, 27] Operation: 30-3=27 Exploring Operation: 32-30=2, Resulting Numbers: [40, 3, 2] Generated Node #0,2: 25:[40, 3, 2] Operation: 32-30=2 Exploring Operation: 40-3=37, Resulting Numbers: [30, 32, 37] Generated Node #0,3: 25:[30, 32, 37] Operation: 40-3=37 Exploring Operation: 40-30=10, Resulting Numbers: [3, 32, 10] Generated Node #0,4: 25:[3, 32, 10] Operation: 40-30=10 Moving to Node #0,0 Current State: 25:[3, 30, 8], Operations: ['40-32=8'] Exploring Operation: 3*8=24, Resulting Numbers: [30, 24] Generated Node #0,0,0: 25:[30, 24] Operation: 3*8=24 Exploring Operation: 8-3=5, Resulting Numbers: [30, 5] Generated Node #0,0,1: 25:[30, 5] Operation: 8-3=5 Exploring Operation: 30-3=27, Resulting Numbers: [8, 27] Generated Node #0,0,2: 25:[8, 27] Operation: 30-3=27 Exploring Operation: 30/3=10, Resulting Numbers: [8, 10] Generated Node #0,0,3: 25:[8, 10] Operation: 30/3=10 Exploring Operation: 30-8=22, Resulting Numbers: [3, 22] Generated Node #0,0,4: 25:[3, 22] Operation: 30-8=22 Moving to Node #0,4 Current State: 25:[3, 32, 10], Operations: ['40-30=10'] Exploring Operation: 3+32=35, Resulting Numbers: [10, 35] Generated Node #0,4,0: 25:[10, 35] Operation: 3+32=35 Exploring Operation: 10-3=7, Resulting Numbers: [32, 7] Generated Node #0,4,1: 25:[32, 7] Operation: 10-3=7 Exploring Operation: 3*10=30, Resulting Numbers: [32, 30] Generated Node #0,4,2: 25:[32, 30] Operation: 3*10=30 Exploring Operation: 32-10=22, Resulting Numbers: [3, 22] Generated Node #0,4,3: 25:[3, 22] Operation: 32-10=22 Exploring Operation: 32-3=29, Resulting Numbers: [10, 29] Generated Node #0,4,4: 25:[10, 29] Operation: 32-3=29 Moving to Node #0,2 Current State: 25:[40, 3, 2], Operations: ['32-30=2'] Exploring Operation: 3+2=5, Resulting Numbers: [40, 5] Generated Node #0,2,0: 25:[40, 5] Operation: 3+2=5 Exploring Operation: 40-2=38, Resulting Numbers: [3, 38] Generated Node #0,2,1: 25:[3, 38] Operation: 40-2=38 Exploring Operation: 3*2=6, Resulting Numbers: [40, 6] Generated Node #0,2,2: 25:[40, 6] Operation: 3*2=6 Exploring Operation: 40/2=20, Resulting Numbers: [3, 20] Generated Node #0,2,3: 25:[3, 20] Operation: 40/2=20 Exploring Operation: 40-3=37, Resulting Numbers: [2, 37] Generated Node #0,2,4: 25:[2, 37] Operation: 40-3=37 Moving to Node #0,1 Current State: 25:[40, 32, 27], Operations: ['30-3=27'] Exploring Operation: 40-27=13, Resulting Numbers: [32, 13] Generated Node #0,1,0: 25:[32, 13] Operation: 40-27=13 Exploring Operation: 40+27=67, Resulting Numbers: [32, 67] Generated Node #0,1,1: 25:[32, 67] Operation: 40+27=67 Exploring Operation: 40-32=8, Resulting Numbers: [27, 8] Generated Node #0,1,2: 25:[27, 8] Operation: 40-32=8 Exploring Operation: 32-27=5, Resulting Numbers: [40, 5] Generated Node #0,1,3: 25:[40, 5] Operation: 32-27=5 Exploring Operation: 40+32=72, Resulting Numbers: [27, 72] Generated Node #0,1,4: 25:[27, 72] Operation: 40+32=72 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 25:[27, 8], Operations: ['30-3=27', '40-32=8'] Exploring Operation: 27+8=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 27*8=216, Resulting Numbers: [216] 216,25 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,25 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:[32, 13], Operations: ['30-3=27', '40-27=13'] Exploring Operation: 32+13=45, Resulting Numbers: [45] 45,25 unequal: No Solution Exploring Operation: 32*13=416, Resulting Numbers: [416] 416,25 unequal: No Solution Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,25 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 #0,1,3 Current State: 25:[40, 5], Operations: ['30-3=27', '32-27=5'] Exploring Operation: 40+5=45, Resulting Numbers: [45] 45,25 unequal: No Solution Exploring Operation: 40*5=200, Resulting Numbers: [200] 200,25 unequal: No Solution Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,25 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:[32, 67], Operations: ['30-3=27', '40+27=67'] Exploring Operation: 67-32=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 32*67=2144, Resulting Numbers: [2144] 2144,25 unequal: No Solution Exploring Operation: 32+67=99, Resulting Numbers: [99] 99,25 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:[27, 72], Operations: ['30-3=27', '40+32=72'] Exploring Operation: 72-27=45, Resulting Numbers: [45] 45,25 unequal: No Solution Exploring Operation: 27*72=1944, Resulting Numbers: [1944] 1944,25 unequal: No Solution Exploring Operation: 27+72=99, Resulting Numbers: [99] 99,25 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: 25:[30, 32, 37], Operations: ['40-3=37'] Exploring Operation: 30+32=62, Resulting Numbers: [37, 62] Generated Node #0,3,0: 25:[37, 62] Operation: 30+32=62 Exploring Operation: 32-30=2, Resulting Numbers: [37, 2] Generated Node #0,3,1: 25:[37, 2] Operation: 32-30=2 Exploring Operation: 30+37=67, Resulting Numbers: [32, 67] Generated Node #0,3,2: 25:[32, 67] Operation: 30+37=67 Exploring Operation: 37-30=7, Resulting Numbers: [32, 7] Generated Node #0,3,3: 25:[32, 7] Operation: 37-30=7 Exploring Operation: 37-32=5, Resulting Numbers: [30, 5] Generated Node #0,3,4: 25:[30, 5] Operation: 37-32=5 Moving to Node #0,0,1 Current State: 25:[30, 5], Operations: ['40-32=8', '8-3=5'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[40, 3, 30, 32], Operations: [] Exploring Operation: 40-32=8, Resulting Numbers: [3, 30, 8] Generated Node #0,0: 25:[3, 30, 8] Operation: 40-32=8 Moving to Node #0,0 Current State: 25:[3, 30, 8], Operations: ['40-32=8'] Exploring Operation: 8-3=5, Resulting Numbers: [30, 5] Generated Node #0,0,1: 25:[30, 5] Operation: 8-3=5 Moving to Node #0,0,1 Current State: 25:[30, 5], Operations: ['40-32=8', '8-3=5'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
0.955729
hs_5
mult_heuristic
[ 14, 73, 75, 9 ]
67
[ "75+9=84", "84/14=6", "73-6=67" ]
Current State: 67:[14, 73, 75, 9], Operations: [] Exploring Operation: 75+9=84, Resulting Numbers: [14, 73, 84] Generated Node #2: [14, 73, 84] from Operation: 75+9=84 Current State: 67:[14, 73, 84], Operations: ['75+9=84'] Exploring Operation: 84/14=6, Resulting Numbers: [73, 6] Generated Node #3: [73, 6] from Operation: 84/14=6 Current State: 67:[73, 6], Operations: ['75+9=84', '84/14=6'] Exploring Operation: 73-6=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[14, 73, 75, 9], Operations: [] Exploring Operation: 75-9=66, Resulting Numbers: [14, 73, 66] Generated Node #0,0: 67:[14, 73, 66] Operation: 75-9=66 Exploring Operation: 14+9=23, Resulting Numbers: [73, 75, 23] Generated Node #0,1: 67:[73, 75, 23] Operation: 14+9=23 Moving to Node #0,1 Current State: 67:[73, 75, 23], Operations: ['14+9=23'] Exploring Operation: 75-23=52, Resulting Numbers: [73, 52] Generated Node #0,1,0: 67:[73, 52] Operation: 75-23=52 Exploring Operation: 73-23=50, Resulting Numbers: [75, 50] Generated Node #0,1,1: 67:[75, 50] Operation: 73-23=50 Moving to Node #0,0 Current State: 67:[14, 73, 66], Operations: ['75-9=66'] Exploring Operation: 73-14=59, Resulting Numbers: [66, 59] Generated Node #0,0,0: 67:[66, 59] Operation: 73-14=59 Exploring Operation: 14+66=80, Resulting Numbers: [73, 80] Generated Node #0,0,1: 67:[73, 80] Operation: 14+66=80 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[66, 59], Operations: ['75-9=66', '73-14=59'] Exploring Operation: 66-59=7, Resulting Numbers: [7] 7,67 unequal: No Solution Exploring Operation: 66+59=125, Resulting Numbers: [125] 125,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 67:[73, 80], Operations: ['75-9=66', '14+66=80'] Exploring Operation: 73+80=153, Resulting Numbers: [153] 153,67 unequal: No Solution Exploring Operation: 80-73=7, Resulting Numbers: [7] 7,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 67:[73, 52], Operations: ['14+9=23', '75-23=52'] Exploring Operation: 73+52=125, Resulting Numbers: [125] 125,67 unequal: No Solution Exploring Operation: 73-52=21, Resulting Numbers: [21] 21,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[75, 50], Operations: ['14+9=23', '73-23=50'] Exploring Operation: 75-50=25, Resulting Numbers: [25] 25,67 unequal: No Solution Exploring Operation: 75+50=125, Resulting Numbers: [125] 125,67 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 76, 56, 32, 18 ]
62
[ "76+32=108", "108/18=6", "56+6=62" ]
Current State: 62:[76, 56, 32, 18], Operations: [] Exploring Operation: 76+32=108, Resulting Numbers: [56, 18, 108] Generated Node #2: [56, 18, 108] from Operation: 76+32=108 Current State: 62:[56, 18, 108], Operations: ['76+32=108'] Exploring Operation: 108/18=6, Resulting Numbers: [56, 6] Generated Node #3: [56, 6] from Operation: 108/18=6 Current State: 62:[56, 6], Operations: ['76+32=108', '108/18=6'] Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[76, 56, 32, 18], Operations: [] Exploring Operation: 76-18=58, Resulting Numbers: [56, 32, 58] Generated Node #0,0: 62:[56, 32, 58] Operation: 76-18=58 Moving to Node #0,0 Current State: 62:[56, 32, 58], Operations: ['76-18=58'] Exploring Operation: 58-56=2, Resulting Numbers: [32, 2] Generated Node #0,0,0: 62:[32, 2] Operation: 58-56=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[32, 2], Operations: ['76-18=58', '58-56=2'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,62 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
[ 24, 21, 39, 59 ]
60
[ "24-21=3", "59-39=20", "3*20=60" ]
Current State: 60:[24, 21, 39, 59], Operations: [] Exploring Operation: 24-21=3, Resulting Numbers: [39, 59, 3] Generated Node #2: [39, 59, 3] from Operation: 24-21=3 Current State: 60:[39, 59, 3], Operations: ['24-21=3'] Exploring Operation: 59-39=20, Resulting Numbers: [3, 20] Generated Node #3: [3, 20] from Operation: 59-39=20 Current State: 60:[3, 20], Operations: ['24-21=3', '59-39=20'] Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[24, 21, 39, 59], Operations: [] Exploring Operation: 21+39=60, Resulting Numbers: [24, 59, 60] Generated Node #0,0: 60:[24, 59, 60] Operation: 21+39=60 Exploring Operation: 39-21=18, Resulting Numbers: [24, 59, 18] Generated Node #0,1: 60:[24, 59, 18] Operation: 39-21=18 Exploring Operation: 59-39=20, Resulting Numbers: [24, 21, 20] Generated Node #0,2: 60:[24, 21, 20] Operation: 59-39=20 Exploring Operation: 39-24=15, Resulting Numbers: [21, 59, 15] Generated Node #0,3: 60:[21, 59, 15] Operation: 39-24=15 Exploring Operation: 24+39=63, Resulting Numbers: [21, 59, 63] Generated Node #0,4: 60:[21, 59, 63] Operation: 24+39=63 Moving to Node #0,3 Current State: 60:[21, 59, 15], Operations: ['39-24=15'] Exploring Operation: 21+15=36, Resulting Numbers: [59, 36] Generated Node #0,3,0: 60:[59, 36] Operation: 21+15=36 Exploring Operation: 59+15=74, Resulting Numbers: [21, 74] Generated Node #0,3,1: 60:[21, 74] Operation: 59+15=74 Exploring Operation: 59-21=38, Resulting Numbers: [15, 38] Generated Node #0,3,2: 60:[15, 38] Operation: 59-21=38 Exploring Operation: 21-15=6, Resulting Numbers: [59, 6] Generated Node #0,3,3: 60:[59, 6] Operation: 21-15=6 Exploring Operation: 59-15=44, Resulting Numbers: [21, 44] Generated Node #0,3,4: 60:[21, 44] Operation: 59-15=44 Moving to Node #0,2 Current State: 60:[24, 21, 20], Operations: ['59-39=20'] Exploring Operation: 24-21=3, Resulting Numbers: [20, 3] Generated Node #0,2,0: 60:[20, 3] Operation: 24-21=3 Exploring Operation: 24+20=44, Resulting Numbers: [21, 44] Generated Node #0,2,1: 60:[21, 44] Operation: 24+20=44 Exploring Operation: 24+21=45, Resulting Numbers: [20, 45] Generated Node #0,2,2: 60:[20, 45] Operation: 24+21=45 Exploring Operation: 24-20=4, Resulting Numbers: [21, 4] Generated Node #0,2,3: 60:[21, 4] Operation: 24-20=4 Exploring Operation: 21-20=1, Resulting Numbers: [24, 1] Generated Node #0,2,4: 60:[24, 1] Operation: 21-20=1 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 60:[20, 3], Operations: ['59-39=20', '24-21=3'] Exploring Operation: 20+3=23, Resulting Numbers: [23] 23,60 unequal: No Solution Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[24, 21, 39, 59], Operations: [] Exploring Operation: 59-39=20, Resulting Numbers: [24, 21, 20] Generated Node #0,2: 60:[24, 21, 20] Operation: 59-39=20 Moving to Node #0,2 Current State: 60:[24, 21, 20], Operations: ['59-39=20'] Exploring Operation: 24-21=3, Resulting Numbers: [20, 3] Generated Node #0,2,0: 60:[20, 3] Operation: 24-21=3 Moving to Node #0,2,0 Current State: 60:[20, 3], Operations: ['59-39=20', '24-21=3'] Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 68, 36, 37, 37 ]
42
[ "68-36=32", "37+37=74", "74-32=42" ]
Current State: 42:[68, 36, 37, 37], Operations: [] Exploring Operation: 68-36=32, Resulting Numbers: [37, 37, 32] Generated Node #2: [37, 37, 32] from Operation: 68-36=32 Current State: 42:[37, 37, 32], Operations: ['68-36=32'] Exploring Operation: 37+37=74, Resulting Numbers: [32, 74] Generated Node #3: [32, 74] from Operation: 37+37=74 Current State: 42:[32, 74], Operations: ['68-36=32', '37+37=74'] Exploring Operation: 74-32=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[68, 36, 37, 37], Operations: [] Exploring Operation: 37-36=1, Resulting Numbers: [68, 37, 1] Generated Node #0,0: 42:[68, 37, 1] Operation: 37-36=1 Exploring Operation: 68-37=31, Resulting Numbers: [36, 37, 31] Generated Node #0,1: 42:[36, 37, 31] Operation: 68-37=31 Exploring Operation: 37-36=1, Resulting Numbers: [68, 37, 1] Generated Node #0,2: 42:[68, 37, 1] Operation: 37-36=1 Exploring Operation: 68-36=32, Resulting Numbers: [37, 37, 32] Generated Node #0,3: 42:[37, 37, 32] Operation: 68-36=32 Exploring Operation: 68-37=31, Resulting Numbers: [36, 37, 31] Generated Node #0,4: 42:[36, 37, 31] Operation: 68-37=31 Moving to Node #0,3 Current State: 42:[37, 37, 32], Operations: ['68-36=32'] Exploring Operation: 37-37=0, Resulting Numbers: [32, 0] Generated Node #0,3,0: 42:[32, 0] Operation: 37-37=0 Exploring Operation: 37-32=5, Resulting Numbers: [37, 5] Generated Node #0,3,1: 42:[37, 5] Operation: 37-32=5 Exploring Operation: 37+32=69, Resulting Numbers: [37, 69] Generated Node #0,3,2: 42:[37, 69] Operation: 37+32=69 Exploring Operation: 37-32=5, Resulting Numbers: [37, 5] Generated Node #0,3,3: 42:[37, 5] Operation: 37-32=5 Exploring Operation: 37/37=1, Resulting Numbers: [32, 1] Generated Node #0,3,4: 42:[32, 1] Operation: 37/37=1 Moving to Node #0,4 Current State: 42:[36, 37, 31], Operations: ['68-37=31'] Exploring Operation: 36-31=5, Resulting Numbers: [37, 5] Generated Node #0,4,0: 42:[37, 5] Operation: 36-31=5 Exploring Operation: 36+31=67, Resulting Numbers: [37, 67] Generated Node #0,4,1: 42:[37, 67] Operation: 36+31=67 Exploring Operation: 37-31=6, Resulting Numbers: [36, 6] Generated Node #0,4,2: 42:[36, 6] Operation: 37-31=6 Exploring Operation: 37-36=1, Resulting Numbers: [31, 1] Generated Node #0,4,3: 42:[31, 1] Operation: 37-36=1 Exploring Operation: 37+31=68, Resulting Numbers: [36, 68] Generated Node #0,4,4: 42:[36, 68] Operation: 37+31=68 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 42:[37, 5], Operations: ['68-37=31', '36-31=5'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,42 unequal: No Solution Exploring Operation: 37*5=185, Resulting Numbers: [185] 185,42 unequal: No Solution Exploring Operation: 37+5=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[68, 36, 37, 37], Operations: [] Exploring Operation: 68-37=31, Resulting Numbers: [36, 37, 31] Generated Node #0,4: 42:[36, 37, 31] Operation: 68-37=31 Moving to Node #0,4 Current State: 42:[36, 37, 31], Operations: ['68-37=31'] Exploring Operation: 36-31=5, Resulting Numbers: [37, 5] Generated Node #0,4,0: 42:[37, 5] Operation: 36-31=5 Moving to Node #0,4,0 Current State: 42:[37, 5], Operations: ['68-37=31', '36-31=5'] Exploring Operation: 37+5=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 32, 30, 47, 60 ]
63
[ "32*30=960", "960/60=16", "47+16=63" ]
Current State: 63:[32, 30, 47, 60], Operations: [] Exploring Operation: 32*30=960, Resulting Numbers: [47, 60, 960] Generated Node #2: [47, 60, 960] from Operation: 32*30=960 Current State: 63:[47, 60, 960], Operations: ['32*30=960'] Exploring Operation: 960/60=16, Resulting Numbers: [47, 16] Generated Node #3: [47, 16] from Operation: 960/60=16 Current State: 63:[47, 16], Operations: ['32*30=960', '960/60=16'] Exploring Operation: 47+16=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[32, 30, 47, 60], Operations: [] Exploring Operation: 47-32=15, Resulting Numbers: [30, 60, 15] Generated Node #0,0: 63:[30, 60, 15] Operation: 47-32=15 Moving to Node #0,0 Current State: 63:[30, 60, 15], Operations: ['47-32=15'] Exploring Operation: 30/15=2, Resulting Numbers: [60, 2] Generated Node #0,0,0: 63:[60, 2] Operation: 30/15=2 Moving to Node #0,0,0 Current State: 63:[60, 2], Operations: ['47-32=15', '30/15=2'] Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,63 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 40, 5, 24, 10 ]
80
[ "40-24=16", "10-5=5", "16*5=80" ]
Current State: 80:[40, 5, 24, 10], Operations: [] Exploring Operation: 40-24=16, Resulting Numbers: [5, 10, 16] Generated Node #2: [5, 10, 16] from Operation: 40-24=16 Current State: 80:[5, 10, 16], Operations: ['40-24=16'] Exploring Operation: 10-5=5, Resulting Numbers: [16, 5] Generated Node #3: [16, 5] from Operation: 10-5=5 Current State: 80:[16, 5], Operations: ['40-24=16', '10-5=5'] Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[40, 5, 24, 10], Operations: [] Exploring Operation: 40-24=16, Resulting Numbers: [5, 10, 16] Generated Node #0,0: 80:[5, 10, 16] Operation: 40-24=16 Exploring Operation: 40/5=8, Resulting Numbers: [24, 10, 8] Generated Node #0,1: 80:[24, 10, 8] Operation: 40/5=8 Exploring Operation: 24-5=19, Resulting Numbers: [40, 10, 19] Generated Node #0,2: 80:[40, 10, 19] Operation: 24-5=19 Exploring Operation: 24-10=14, Resulting Numbers: [40, 5, 14] Generated Node #0,3: 80:[40, 5, 14] Operation: 24-10=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[5, 10, 16], Operations: ['40-24=16'] Exploring Operation: 5*16=80, Resulting Numbers: [10, 80] Generated Node #0,0,0: 80:[10, 80] Operation: 5*16=80 Exploring Operation: 5+10=15, Resulting Numbers: [16, 15] Generated Node #0,0,1: 80:[16, 15] Operation: 5+10=15 Exploring Operation: 10-5=5, Resulting Numbers: [16, 5] Generated Node #0,0,2: 80:[16, 5] Operation: 10-5=5 Exploring Operation: 10/5=2, Resulting Numbers: [16, 2] Generated Node #0,0,3: 80:[16, 2] Operation: 10/5=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[10, 80], Operations: ['40-24=16', '5*16=80'] Exploring Operation: 80/10=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 80-10=70, Resulting Numbers: [70] 70,80 unequal: No Solution Exploring Operation: 10+80=90, Resulting Numbers: [90] 90,80 unequal: No Solution Exploring Operation: 10*80=800, Resulting Numbers: [800] 800,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 80:[16, 5], Operations: ['40-24=16', '10-5=5'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,80 unequal: No Solution Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[40, 5, 24, 10], Operations: [] Exploring Operation: 40-24=16, Resulting Numbers: [5, 10, 16] Generated Node #0,0: 80:[5, 10, 16] Operation: 40-24=16 Moving to Node #0,0 Current State: 80:[5, 10, 16], Operations: ['40-24=16'] Exploring Operation: 10-5=5, Resulting Numbers: [16, 5] Generated Node #0,0,2: 80:[16, 5] Operation: 10-5=5 Moving to Node #0,0,2 Current State: 80:[16, 5], Operations: ['40-24=16', '10-5=5'] Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 48, 24, 26, 76 ]
96
[ "76-24=52", "48*52=2496", "2496/26=96" ]
Current State: 96:[48, 24, 26, 76], Operations: [] Exploring Operation: 76-24=52, Resulting Numbers: [48, 26, 52] Generated Node #2: [48, 26, 52] from Operation: 76-24=52 Current State: 96:[48, 26, 52], Operations: ['76-24=52'] Exploring Operation: 48*52=2496, Resulting Numbers: [26, 2496] Generated Node #3: [26, 2496] from Operation: 48*52=2496 Current State: 96:[26, 2496], Operations: ['76-24=52', '48*52=2496'] Exploring Operation: 2496/26=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[48, 24, 26, 76], Operations: [] Exploring Operation: 76-48=28, Resulting Numbers: [24, 26, 28] Generated Node #0,0: 96:[24, 26, 28] Operation: 76-48=28 Exploring Operation: 76-26=50, Resulting Numbers: [48, 24, 50] Generated Node #0,1: 96:[48, 24, 50] Operation: 76-26=50 Moving to Node #0,1 Current State: 96:[48, 24, 50], Operations: ['76-26=50'] Exploring Operation: 50-48=2, Resulting Numbers: [24, 2] Generated Node #0,1,0: 96:[24, 2] Operation: 50-48=2 Exploring Operation: 48-24=24, Resulting Numbers: [50, 24] Generated Node #0,1,1: 96:[50, 24] Operation: 48-24=24 Moving to Node #0,0 Current State: 96:[24, 26, 28], Operations: ['76-48=28'] Exploring Operation: 28-26=2, Resulting Numbers: [24, 2] Generated Node #0,0,0: 96:[24, 2] Operation: 28-26=2 Exploring Operation: 28-24=4, Resulting Numbers: [26, 4] Generated Node #0,0,1: 96:[26, 4] Operation: 28-24=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[24, 2], Operations: ['76-48=28', '28-26=2'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,96 unequal: No Solution Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 96:[26, 4], Operations: ['76-48=28', '28-24=4'] Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,96 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 96:[24, 2], Operations: ['76-26=50', '50-48=2'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,96 unequal: No Solution Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,96 unequal: No Solution Moving to Node #0,1,1 Current State: 96:[50, 24], Operations: ['76-26=50', '48-24=24'] Exploring Operation: 50+24=74, Resulting Numbers: [74] 74,96 unequal: No Solution Exploring Operation: 50-24=26, Resulting Numbers: [26] 26,96 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 59, 60, 9, 50 ]
31
[ "60-50=10", "9*10=90", "90-59=31" ]
Current State: 31:[59, 60, 9, 50], Operations: [] Exploring Operation: 60-50=10, Resulting Numbers: [59, 9, 10] Generated Node #2: [59, 9, 10] from Operation: 60-50=10 Current State: 31:[59, 9, 10], Operations: ['60-50=10'] Exploring Operation: 9*10=90, Resulting Numbers: [59, 90] Generated Node #3: [59, 90] from Operation: 9*10=90 Current State: 31:[59, 90], Operations: ['60-50=10', '9*10=90'] Exploring Operation: 90-59=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[59, 60, 9, 50], Operations: [] Exploring Operation: 60-9=51, Resulting Numbers: [59, 50, 51] Generated Node #0,0: 31:[59, 50, 51] Operation: 60-9=51 Exploring Operation: 59-9=50, Resulting Numbers: [60, 50, 50] Generated Node #0,1: 31:[60, 50, 50] Operation: 59-9=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[59, 50, 51], Operations: ['60-9=51'] Exploring Operation: 59-50=9, Resulting Numbers: [51, 9] Generated Node #0,0,0: 31:[51, 9] Operation: 59-50=9 Exploring Operation: 59-51=8, Resulting Numbers: [50, 8] Generated Node #0,0,1: 31:[50, 8] Operation: 59-51=8 Moving to Node #0,0,0 Current State: 31:[51, 9], Operations: ['60-9=51', '59-50=9'] Exploring Operation: 51+9=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 51-9=42, Resulting Numbers: [42] 42,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[50, 8], Operations: ['60-9=51', '59-51=8'] Exploring Operation: 50+8=58, Resulting Numbers: [58] 58,31 unequal: No Solution Exploring Operation: 50-8=42, Resulting Numbers: [42] 42,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[60, 50, 50], Operations: ['59-9=50'] Exploring Operation: 60-50=10, Resulting Numbers: [50, 10] Generated Node #0,1,0: 31:[50, 10] Operation: 60-50=10 Exploring Operation: 60-50=10, Resulting Numbers: [50, 10] Generated Node #0,1,1: 31:[50, 10] Operation: 60-50=10 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 31:[50, 10], Operations: ['59-9=50', '60-50=10'] Exploring Operation: 50/10=5, Resulting Numbers: [5] 5,31 unequal: No Solution Exploring Operation: 50-10=40, Resulting Numbers: [40] 40,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 31:[50, 10], Operations: ['59-9=50', '60-50=10'] Exploring Operation: 50/10=5, Resulting Numbers: [5] 5,31 unequal: No Solution Exploring Operation: 50-10=40, Resulting Numbers: [40] 40,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 34, 7, 24, 79 ]
96
[ "34+7=41", "79-24=55", "41+55=96" ]
Current State: 96:[34, 7, 24, 79], Operations: [] Exploring Operation: 34+7=41, Resulting Numbers: [24, 79, 41] Generated Node #2: [24, 79, 41] from Operation: 34+7=41 Current State: 96:[24, 79, 41], Operations: ['34+7=41'] Exploring Operation: 79-24=55, Resulting Numbers: [41, 55] Generated Node #3: [41, 55] from Operation: 79-24=55 Current State: 96:[41, 55], Operations: ['34+7=41', '79-24=55'] Exploring Operation: 41+55=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[34, 7, 24, 79], Operations: [] Exploring Operation: 79-34=45, Resulting Numbers: [7, 24, 45] Generated Node #0,0: 96:[7, 24, 45] Operation: 79-34=45 Exploring Operation: 7+79=86, Resulting Numbers: [34, 24, 86] Generated Node #0,1: 96:[34, 24, 86] Operation: 7+79=86 Exploring Operation: 24+79=103, Resulting Numbers: [34, 7, 103] Generated Node #0,2: 96:[34, 7, 103] Operation: 24+79=103 Exploring Operation: 79-24=55, Resulting Numbers: [34, 7, 55] Generated Node #0,3: 96:[34, 7, 55] Operation: 79-24=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[7, 24, 45], Operations: ['79-34=45'] Exploring Operation: 24-7=17, Resulting Numbers: [45, 17] Generated Node #0,0,0: 96:[45, 17] Operation: 24-7=17 Exploring Operation: 7+24=31, Resulting Numbers: [45, 31] Generated Node #0,0,1: 96:[45, 31] Operation: 7+24=31 Exploring Operation: 7+45=52, Resulting Numbers: [24, 52] Generated Node #0,0,2: 96:[24, 52] Operation: 7+45=52 Exploring Operation: 45-24=21, Resulting Numbers: [7, 21] Generated Node #0,0,3: 96:[7, 21] Operation: 45-24=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 96:[45, 17], Operations: ['79-34=45', '24-7=17'] Exploring Operation: 45*17=765, Resulting Numbers: [765] 765,96 unequal: No Solution Exploring Operation: 45-17=28, Resulting Numbers: [28] 28,96 unequal: No Solution Exploring Operation: 45+17=62, Resulting Numbers: [62] 62,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 96:[45, 31], Operations: ['79-34=45', '7+24=31'] Exploring Operation: 45-31=14, Resulting Numbers: [14] 14,96 unequal: No Solution Exploring Operation: 45+31=76, Resulting Numbers: [76] 76,96 unequal: No Solution Exploring Operation: 45*31=1395, Resulting Numbers: [1395] 1395,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 96:[24, 52], Operations: ['79-34=45', '7+45=52'] Exploring Operation: 52-24=28, Resulting Numbers: [28] 28,96 unequal: No Solution Exploring Operation: 24*52=1248, Resulting Numbers: [1248] 1248,96 unequal: No Solution Exploring Operation: 24+52=76, Resulting Numbers: [76] 76,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 96:[7, 21], Operations: ['79-34=45', '45-24=21'] Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 7+21=28, Resulting Numbers: [28] 28,96 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,96 unequal: No Solution Exploring Operation: 7*21=147, Resulting Numbers: [147] 147,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 96:[34, 7, 103], Operations: ['24+79=103'] Exploring Operation: 34+7=41, Resulting Numbers: [103, 41] Generated Node #0,2,0: 96:[103, 41] Operation: 34+7=41 Exploring Operation: 34-7=27, Resulting Numbers: [103, 27] Generated Node #0,2,1: 96:[103, 27] Operation: 34-7=27 Exploring Operation: 7+103=110, Resulting Numbers: [34, 110] Generated Node #0,2,2: 96:[34, 110] Operation: 7+103=110 Exploring Operation: 103-7=96, Resulting Numbers: [34, 96] Generated Node #0,2,3: 96:[34, 96] Operation: 103-7=96 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 96:[34, 96], Operations: ['24+79=103', '103-7=96'] Exploring Operation: 34+96=130, Resulting Numbers: [130] 130,96 unequal: No Solution Exploring Operation: 96-34=62, Resulting Numbers: [62] 62,96 unequal: No Solution Exploring Operation: 34*96=3264, Resulting Numbers: [3264] 3264,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 96:[103, 27], Operations: ['24+79=103', '34-7=27'] Exploring Operation: 103-27=76, Resulting Numbers: [76] 76,96 unequal: No Solution Exploring Operation: 103+27=130, Resulting Numbers: [130] 130,96 unequal: No Solution Exploring Operation: 103*27=2781, Resulting Numbers: [2781] 2781,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 96:[103, 41], Operations: ['24+79=103', '34+7=41'] Exploring Operation: 103+41=144, Resulting Numbers: [144] 144,96 unequal: No Solution Exploring Operation: 103-41=62, Resulting Numbers: [62] 62,96 unequal: No Solution Exploring Operation: 103*41=4223, Resulting Numbers: [4223] 4223,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 96:[34, 110], Operations: ['24+79=103', '7+103=110'] Exploring Operation: 110-34=76, Resulting Numbers: [76] 76,96 unequal: No Solution Exploring Operation: 34*110=3740, Resulting Numbers: [3740] 3740,96 unequal: No Solution Exploring Operation: 34+110=144, Resulting Numbers: [144] 144,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 96:[34, 7, 55], Operations: ['79-24=55'] Exploring Operation: 55-7=48, Resulting Numbers: [34, 48] Generated Node #0,3,0: 96:[34, 48] Operation: 55-7=48 Exploring Operation: 34-7=27, Resulting Numbers: [55, 27] Generated Node #0,3,1: 96:[55, 27] Operation: 34-7=27 Exploring Operation: 34+55=89, Resulting Numbers: [7, 89] Generated Node #0,3,2: 96:[7, 89] Operation: 34+55=89 Exploring Operation: 55-34=21, Resulting Numbers: [7, 21] Generated Node #0,3,3: 96:[7, 21] Operation: 55-34=21 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 96:[34, 48], Operations: ['79-24=55', '55-7=48'] Exploring Operation: 48-34=14, Resulting Numbers: [14] 14,96 unequal: No Solution Exploring Operation: 34+48=82, Resulting Numbers: [82] 82,96 unequal: No Solution Exploring Operation: 34*48=1632, Resulting Numbers: [1632] 1632,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 96:[7, 21], Operations: ['79-24=55', '55-34=21'] Exploring Operation: 7*21=147, Resulting Numbers: [147] 147,96 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,96 unequal: No Solution Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 7+21=28, Resulting Numbers: [28] 28,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 96:[7, 89], Operations: ['79-24=55', '34+55=89'] Exploring Operation: 7+89=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[34, 7, 24, 79], Operations: [] Exploring Operation: 79-24=55, Resulting Numbers: [34, 7, 55] Generated Node #0,3: 96:[34, 7, 55] Operation: 79-24=55 Moving to Node #0,3 Current State: 96:[34, 7, 55], Operations: ['79-24=55'] Exploring Operation: 34+55=89, Resulting Numbers: [7, 89] Generated Node #0,3,2: 96:[7, 89] Operation: 34+55=89 Moving to Node #0,3,2 Current State: 96:[7, 89], Operations: ['79-24=55', '34+55=89'] Exploring Operation: 7+89=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.953993
hs_4
mult_heuristic
[ 12, 54, 86, 57 ]
77
[ "12+54=66", "86+57=143", "143-66=77" ]
Current State: 77:[12, 54, 86, 57], Operations: [] Exploring Operation: 12+54=66, Resulting Numbers: [86, 57, 66] Generated Node #2: [86, 57, 66] from Operation: 12+54=66 Current State: 77:[86, 57, 66], Operations: ['12+54=66'] Exploring Operation: 86+57=143, Resulting Numbers: [66, 143] Generated Node #3: [66, 143] from Operation: 86+57=143 Current State: 77:[66, 143], Operations: ['12+54=66', '86+57=143'] Exploring Operation: 143-66=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[12, 54, 86, 57], Operations: [] Exploring Operation: 86-57=29, Resulting Numbers: [12, 54, 29] Generated Node #0,0: 77:[12, 54, 29] Operation: 86-57=29 Exploring Operation: 57-54=3, Resulting Numbers: [12, 86, 3] Generated Node #0,1: 77:[12, 86, 3] Operation: 57-54=3 Exploring Operation: 86-54=32, Resulting Numbers: [12, 57, 32] Generated Node #0,2: 77:[12, 57, 32] Operation: 86-54=32 Exploring Operation: 12+54=66, Resulting Numbers: [86, 57, 66] Generated Node #0,3: 77:[86, 57, 66] Operation: 12+54=66 Exploring Operation: 12+57=69, Resulting Numbers: [54, 86, 69] Generated Node #0,4: 77:[54, 86, 69] Operation: 12+57=69 Moving to Node #0,1 Current State: 77:[12, 86, 3], Operations: ['57-54=3'] Exploring Operation: 12-3=9, Resulting Numbers: [86, 9] Generated Node #0,1,0: 77:[86, 9] Operation: 12-3=9 Exploring Operation: 86-12=74, Resulting Numbers: [3, 74] Generated Node #0,1,1: 77:[3, 74] Operation: 86-12=74 Exploring Operation: 12+3=15, Resulting Numbers: [86, 15] Generated Node #0,1,2: 77:[86, 15] Operation: 12+3=15 Exploring Operation: 86-3=83, Resulting Numbers: [12, 83] Generated Node #0,1,3: 77:[12, 83] Operation: 86-3=83 Exploring Operation: 12/3=4, Resulting Numbers: [86, 4] Generated Node #0,1,4: 77:[86, 4] Operation: 12/3=4 Moving to Node #0,4 Current State: 77:[54, 86, 69], Operations: ['12+57=69'] Exploring Operation: 69-54=15, Resulting Numbers: [86, 15] Generated Node #0,4,0: 77:[86, 15] Operation: 69-54=15 Exploring Operation: 86-54=32, Resulting Numbers: [69, 32] Generated Node #0,4,1: 77:[69, 32] Operation: 86-54=32 Exploring Operation: 86-69=17, Resulting Numbers: [54, 17] Generated Node #0,4,2: 77:[54, 17] Operation: 86-69=17 Exploring Operation: 54+86=140, Resulting Numbers: [69, 140] Generated Node #0,4,3: 77:[69, 140] Operation: 54+86=140 Exploring Operation: 54+69=123, Resulting Numbers: [86, 123] Generated Node #0,4,4: 77:[86, 123] Operation: 54+69=123 Moving to Node #0,3 Current State: 77:[86, 57, 66], Operations: ['12+54=66'] Exploring Operation: 57+66=123, Resulting Numbers: [86, 123] Generated Node #0,3,0: 77:[86, 123] Operation: 57+66=123 Exploring Operation: 86+57=143, Resulting Numbers: [66, 143] Generated Node #0,3,1: 77:[66, 143] Operation: 86+57=143 Exploring Operation: 86-66=20, Resulting Numbers: [57, 20] Generated Node #0,3,2: 77:[57, 20] Operation: 86-66=20 Exploring Operation: 86-57=29, Resulting Numbers: [66, 29] Generated Node #0,3,3: 77:[66, 29] Operation: 86-57=29 Exploring Operation: 66-57=9, Resulting Numbers: [86, 9] Generated Node #0,3,4: 77:[86, 9] Operation: 66-57=9 Moving to Node #0,0 Current State: 77:[12, 54, 29], Operations: ['86-57=29'] Exploring Operation: 29-12=17, Resulting Numbers: [54, 17] Generated Node #0,0,0: 77:[54, 17] Operation: 29-12=17 Exploring Operation: 12+54=66, Resulting Numbers: [29, 66] Generated Node #0,0,1: 77:[29, 66] Operation: 12+54=66 Exploring Operation: 54-12=42, Resulting Numbers: [29, 42] Generated Node #0,0,2: 77:[29, 42] Operation: 54-12=42 Exploring Operation: 54+29=83, Resulting Numbers: [12, 83] Generated Node #0,0,3: 77:[12, 83] Operation: 54+29=83 Exploring Operation: 54-29=25, Resulting Numbers: [12, 25] Generated Node #0,0,4: 77:[12, 25] Operation: 54-29=25 Moving to Node #0,2 Current State: 77:[12, 57, 32], Operations: ['86-54=32'] Exploring Operation: 57-32=25, Resulting Numbers: [12, 25] Generated Node #0,2,0: 77:[12, 25] Operation: 57-32=25 Exploring Operation: 12+57=69, Resulting Numbers: [32, 69] Generated Node #0,2,1: 77:[32, 69] Operation: 12+57=69 Exploring Operation: 32-12=20, Resulting Numbers: [57, 20] Generated Node #0,2,2: 77:[57, 20] Operation: 32-12=20 Exploring Operation: 57+32=89, Resulting Numbers: [12, 89] Generated Node #0,2,3: 77:[12, 89] Operation: 57+32=89 Exploring Operation: 57-12=45, Resulting Numbers: [32, 45] Generated Node #0,2,4: 77:[32, 45] Operation: 57-12=45 Moving to Node #0,1,1 Current State: 77:[3, 74], Operations: ['57-54=3', '86-12=74'] Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,77 unequal: No Solution Exploring Operation: 3+74=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[12, 54, 86, 57], Operations: [] Exploring Operation: 57-54=3, Resulting Numbers: [12, 86, 3] Generated Node #0,1: 77:[12, 86, 3] Operation: 57-54=3 Moving to Node #0,1 Current State: 77:[12, 86, 3], Operations: ['57-54=3'] Exploring Operation: 86-12=74, Resulting Numbers: [3, 74] Generated Node #0,1,1: 77:[3, 74] Operation: 86-12=74 Moving to Node #0,1,1 Current State: 77:[3, 74], Operations: ['57-54=3', '86-12=74'] Exploring Operation: 3+74=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
0.96875
hs_5
mult_heuristic
[ 35, 72, 2, 70 ]
66
[ "72-35=37", "70-37=33", "2*33=66" ]
Current State: 66:[35, 72, 2, 70], Operations: [] Exploring Operation: 72-35=37, Resulting Numbers: [2, 70, 37] Generated Node #2: [2, 70, 37] from Operation: 72-35=37 Current State: 66:[2, 70, 37], Operations: ['72-35=37'] Exploring Operation: 70-37=33, Resulting Numbers: [2, 33] Generated Node #3: [2, 33] from Operation: 70-37=33 Current State: 66:[2, 33], Operations: ['72-35=37', '70-37=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[35, 72, 2, 70], Operations: [] Exploring Operation: 70-35=35, Resulting Numbers: [72, 2, 35] Generated Node #0,0: 66:[72, 2, 35] Operation: 70-35=35 Exploring Operation: 70/35=2, Resulting Numbers: [72, 2, 2] Generated Node #0,1: 66:[72, 2, 2] Operation: 70/35=2 Exploring Operation: 72-70=2, Resulting Numbers: [35, 2, 2] Generated Node #0,2: 66:[35, 2, 2] Operation: 72-70=2 Exploring Operation: 72-35=37, Resulting Numbers: [2, 70, 37] Generated Node #0,3: 66:[2, 70, 37] Operation: 72-35=37 Moving to Node #0,2 Current State: 66:[35, 2, 2], Operations: ['72-70=2'] Exploring Operation: 35-2=33, Resulting Numbers: [2, 33] Generated Node #0,2,0: 66:[2, 33] Operation: 35-2=33 Exploring Operation: 2+2=4, Resulting Numbers: [35, 4] Generated Node #0,2,1: 66:[35, 4] Operation: 2+2=4 Exploring Operation: 2*2=4, Resulting Numbers: [35, 4] Generated Node #0,2,2: 66:[35, 4] Operation: 2*2=4 Exploring Operation: 35-2=33, Resulting Numbers: [2, 33] Generated Node #0,2,3: 66:[2, 33] Operation: 35-2=33 Moving to Node #0,1 Current State: 66:[72, 2, 2], Operations: ['70/35=2'] Exploring Operation: 72/2=36, Resulting Numbers: [2, 36] Generated Node #0,1,0: 66:[2, 36] Operation: 72/2=36 Exploring Operation: 72/2=36, Resulting Numbers: [2, 36] Generated Node #0,1,1: 66:[2, 36] Operation: 72/2=36 Exploring Operation: 72-2=70, Resulting Numbers: [2, 70] Generated Node #0,1,2: 66:[2, 70] Operation: 72-2=70 Exploring Operation: 72-2=70, Resulting Numbers: [2, 70] Generated Node #0,1,3: 66:[2, 70] Operation: 72-2=70 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 66:[2, 36], Operations: ['70/35=2', '72/2=36'] Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,66 unequal: No Solution Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,66 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,66 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,66 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 #0,1,1 Current State: 66:[2, 36], Operations: ['70/35=2', '72/2=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,66 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,66 unequal: No Solution Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,66 unequal: No Solution Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,66 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 #0,1,2 Current State: 66:[2, 70], Operations: ['70/35=2', '72-2=70'] Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,66 unequal: No Solution Exploring Operation: 2*70=140, Resulting Numbers: [140] 140,66 unequal: No Solution Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,66 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 #0,1,3 Current State: 66:[2, 70], Operations: ['70/35=2', '72-2=70'] Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,66 unequal: No Solution Exploring Operation: 2*70=140, Resulting Numbers: [140] 140,66 unequal: No Solution Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,66 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: 66:[2, 70, 37], Operations: ['72-35=37'] Exploring Operation: 37-2=35, Resulting Numbers: [70, 35] Generated Node #0,3,0: 66:[70, 35] Operation: 37-2=35 Exploring Operation: 70-37=33, Resulting Numbers: [2, 33] Generated Node #0,3,1: 66:[2, 33] Operation: 70-37=33 Exploring Operation: 70-2=68, Resulting Numbers: [37, 68] Generated Node #0,3,2: 66:[37, 68] Operation: 70-2=68 Exploring Operation: 70/2=35, Resulting Numbers: [37, 35] Generated Node #0,3,3: 66:[37, 35] Operation: 70/2=35 Moving to Node #0,0 Current State: 66:[72, 2, 35], Operations: ['70-35=35'] Exploring Operation: 35-2=33, Resulting Numbers: [72, 33] Generated Node #0,0,0: 66:[72, 33] Operation: 35-2=33 Exploring Operation: 72-2=70, Resulting Numbers: [35, 70] Generated Node #0,0,1: 66:[35, 70] Operation: 72-2=70 Exploring Operation: 72/2=36, Resulting Numbers: [35, 36] Generated Node #0,0,2: 66:[35, 36] Operation: 72/2=36 Exploring Operation: 72-35=37, Resulting Numbers: [2, 37] Generated Node #0,0,3: 66:[2, 37] Operation: 72-35=37 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 66:[2, 37], Operations: ['70-35=35', '72-35=37'] Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,66 unequal: No Solution Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,66 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,66 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 #0,0,2 Current State: 66:[35, 36], Operations: ['70-35=35', '72/2=36'] Exploring Operation: 35+36=71, Resulting Numbers: [71] 71,66 unequal: No Solution Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,66 unequal: No Solution Exploring Operation: 35*36=1260, Resulting Numbers: [1260] 1260,66 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 #0,0,0 Current State: 66:[72, 33], Operations: ['70-35=35', '35-2=33'] Exploring Operation: 72-33=39, Resulting Numbers: [39] 39,66 unequal: No Solution Exploring Operation: 72+33=105, Resulting Numbers: [105] 105,66 unequal: No Solution Exploring Operation: 72*33=2376, Resulting Numbers: [2376] 2376,66 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 #0,0,1 Current State: 66:[35, 70], Operations: ['70-35=35', '72-2=70'] Exploring Operation: 35*70=2450, Resulting Numbers: [2450] 2450,66 unequal: No Solution Exploring Operation: 35+70=105, Resulting Numbers: [105] 105,66 unequal: No Solution Exploring Operation: 70-35=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 70/35=2, Resulting Numbers: [2] 2,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 66:[2, 33], Operations: ['72-70=2', '35-2=33'] Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[35, 72, 2, 70], Operations: [] Exploring Operation: 72-70=2, Resulting Numbers: [35, 2, 2] Generated Node #0,2: 66:[35, 2, 2] Operation: 72-70=2 Moving to Node #0,2 Current State: 66:[35, 2, 2], Operations: ['72-70=2'] Exploring Operation: 35-2=33, Resulting Numbers: [2, 33] Generated Node #0,2,0: 66:[2, 33] Operation: 35-2=33 Moving to Node #0,2,0 Current State: 66:[2, 33], Operations: ['72-70=2', '35-2=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
0.952257
hs_4
sum_heuristic
[ 67, 52, 11, 96 ]
71
[ "96-52=44", "44/11=4", "67+4=71" ]
Current State: 71:[67, 52, 11, 96], Operations: [] Exploring Operation: 96-52=44, Resulting Numbers: [67, 11, 44] Generated Node #2: [67, 11, 44] from Operation: 96-52=44 Current State: 71:[67, 11, 44], Operations: ['96-52=44'] Exploring Operation: 44/11=4, Resulting Numbers: [67, 4] Generated Node #3: [67, 4] from Operation: 44/11=4 Current State: 71:[67, 4], Operations: ['96-52=44', '44/11=4'] Exploring Operation: 67+4=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[67, 52, 11, 96], Operations: [] Exploring Operation: 52+11=63, Resulting Numbers: [67, 96, 63] Generated Node #0,0: 71:[67, 96, 63] Operation: 52+11=63 Exploring Operation: 67+11=78, Resulting Numbers: [52, 96, 78] Generated Node #0,1: 71:[52, 96, 78] Operation: 67+11=78 Exploring Operation: 96-11=85, Resulting Numbers: [67, 52, 85] Generated Node #0,2: 71:[67, 52, 85] Operation: 96-11=85 Exploring Operation: 67-11=56, Resulting Numbers: [52, 96, 56] Generated Node #0,3: 71:[52, 96, 56] Operation: 67-11=56 Moving to Node #0,0 Current State: 71:[67, 96, 63], Operations: ['52+11=63'] Exploring Operation: 67-63=4, Resulting Numbers: [96, 4] Generated Node #0,0,0: 71:[96, 4] Operation: 67-63=4 Exploring Operation: 96-63=33, Resulting Numbers: [67, 33] Generated Node #0,0,1: 71:[67, 33] Operation: 96-63=33 Exploring Operation: 67+63=130, Resulting Numbers: [96, 130] Generated Node #0,0,2: 71:[96, 130] Operation: 67+63=130 Exploring Operation: 96-67=29, Resulting Numbers: [63, 29] Generated Node #0,0,3: 71:[63, 29] Operation: 96-67=29 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[67, 33], Operations: ['52+11=63', '96-63=33'] Exploring Operation: 67-33=34, Resulting Numbers: [34] 34,71 unequal: No Solution Exploring Operation: 67+33=100, Resulting Numbers: [100] 100,71 unequal: No Solution Exploring Operation: 67*33=2211, Resulting Numbers: [2211] 2211,71 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:[63, 29], Operations: ['52+11=63', '96-67=29'] Exploring Operation: 63*29=1827, Resulting Numbers: [1827] 1827,71 unequal: No Solution Exploring Operation: 63-29=34, Resulting Numbers: [34] 34,71 unequal: No Solution Exploring Operation: 63+29=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 #0,0,2 Current State: 71:[96, 130], Operations: ['52+11=63', '67+63=130'] Exploring Operation: 96+130=226, Resulting Numbers: [226] 226,71 unequal: No Solution Exploring Operation: 96*130=12480, Resulting Numbers: [12480] 12480,71 unequal: No Solution Exploring Operation: 130-96=34, Resulting Numbers: [34] 34,71 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:[96, 4], Operations: ['52+11=63', '67-63=4'] Exploring Operation: 96/4=24, Resulting Numbers: [24] 24,71 unequal: No Solution Exploring Operation: 96-4=92, Resulting Numbers: [92] 92,71 unequal: No Solution Exploring Operation: 96*4=384, Resulting Numbers: [384] 384,71 unequal: No Solution Exploring Operation: 96+4=100, Resulting Numbers: [100] 100,71 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:[67, 52, 85], Operations: ['96-11=85'] Exploring Operation: 67-52=15, Resulting Numbers: [85, 15] Generated Node #0,2,0: 71:[85, 15] Operation: 67-52=15 Exploring Operation: 85-52=33, Resulting Numbers: [67, 33] Generated Node #0,2,1: 71:[67, 33] Operation: 85-52=33 Exploring Operation: 67+52=119, Resulting Numbers: [85, 119] Generated Node #0,2,2: 71:[85, 119] Operation: 67+52=119 Exploring Operation: 52+85=137, Resulting Numbers: [67, 137] Generated Node #0,2,3: 71:[67, 137] Operation: 52+85=137 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 71:[67, 33], Operations: ['96-11=85', '85-52=33'] Exploring Operation: 67*33=2211, Resulting Numbers: [2211] 2211,71 unequal: No Solution Exploring Operation: 67+33=100, Resulting Numbers: [100] 100,71 unequal: No Solution Exploring Operation: 67-33=34, Resulting Numbers: [34] 34,71 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:[85, 119], Operations: ['96-11=85', '67+52=119'] Exploring Operation: 119-85=34, Resulting Numbers: [34] 34,71 unequal: No Solution Exploring Operation: 85*119=10115, Resulting Numbers: [10115] 10115,71 unequal: No Solution Exploring Operation: 85+119=204, Resulting Numbers: [204] 204,71 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:[85, 15], Operations: ['96-11=85', '67-52=15'] Exploring Operation: 85-15=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 85+15=100, Resulting Numbers: [100] 100,71 unequal: No Solution Exploring Operation: 85*15=1275, Resulting Numbers: [1275] 1275,71 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:[67, 137], Operations: ['96-11=85', '52+85=137'] Exploring Operation: 137-67=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 67*137=9179, Resulting Numbers: [9179] 9179,71 unequal: No Solution Exploring Operation: 67+137=204, Resulting Numbers: [204] 204,71 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:[52, 96, 78], Operations: ['67+11=78'] Exploring Operation: 52+96=148, Resulting Numbers: [78, 148] Generated Node #0,1,0: 71:[78, 148] Operation: 52+96=148 Exploring Operation: 96-78=18, Resulting Numbers: [52, 18] Generated Node #0,1,1: 71:[52, 18] Operation: 96-78=18 Exploring Operation: 78-52=26, Resulting Numbers: [96, 26] Generated Node #0,1,2: 71:[96, 26] Operation: 78-52=26 Exploring Operation: 96-52=44, Resulting Numbers: [78, 44] Generated Node #0,1,3: 71:[78, 44] Operation: 96-52=44 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 71:[78, 44], Operations: ['67+11=78', '96-52=44'] Exploring Operation: 78+44=122, Resulting Numbers: [122] 122,71 unequal: No Solution Exploring Operation: 78*44=3432, Resulting Numbers: [3432] 3432,71 unequal: No Solution Exploring Operation: 78-44=34, Resulting Numbers: [34] 34,71 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 #0,1,2 Current State: 71:[96, 26], Operations: ['67+11=78', '78-52=26'] Exploring Operation: 96*26=2496, Resulting Numbers: [2496] 2496,71 unequal: No Solution Exploring Operation: 96-26=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 96+26=122, Resulting Numbers: [122] 122,71 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:[52, 18], Operations: ['67+11=78', '96-78=18'] Exploring Operation: 52+18=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 52-18=34, Resulting Numbers: [34] 34,71 unequal: No Solution Exploring Operation: 52*18=936, Resulting Numbers: [936] 936,71 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 #0,1,0 Current State: 71:[78, 148], Operations: ['67+11=78', '52+96=148'] Exploring Operation: 78*148=11544, Resulting Numbers: [11544] 11544,71 unequal: No Solution Exploring Operation: 78+148=226, Resulting Numbers: [226] 226,71 unequal: No Solution Exploring Operation: 148-78=70, Resulting Numbers: [70] 70,71 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: 71:[52, 96, 56], Operations: ['67-11=56'] Exploring Operation: 96-56=40, Resulting Numbers: [52, 40] Generated Node #0,3,0: 71:[52, 40] Operation: 96-56=40 Exploring Operation: 52+96=148, Resulting Numbers: [56, 148] Generated Node #0,3,1: 71:[56, 148] Operation: 52+96=148 Exploring Operation: 52+56=108, Resulting Numbers: [96, 108] Generated Node #0,3,2: 71:[96, 108] Operation: 52+56=108 Exploring Operation: 96-52=44, Resulting Numbers: [56, 44] Generated Node #0,3,3: 71:[56, 44] Operation: 96-52=44 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 71:[56, 44], Operations: ['67-11=56', '96-52=44'] Exploring Operation: 56*44=2464, Resulting Numbers: [2464] 2464,71 unequal: No Solution Exploring Operation: 56+44=100, Resulting Numbers: [100] 100,71 unequal: No Solution Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 71:[52, 40], Operations: ['67-11=56', '96-56=40'] Exploring Operation: 52-40=12, Resulting Numbers: [12] 12,71 unequal: No Solution Exploring Operation: 52+40=92, Resulting Numbers: [92] 92,71 unequal: No Solution Exploring Operation: 52*40=2080, Resulting Numbers: [2080] 2080,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 71:[96, 108], Operations: ['67-11=56', '52+56=108'] Exploring Operation: 108-96=12, Resulting Numbers: [12] 12,71 unequal: No Solution Exploring Operation: 96*108=10368, Resulting Numbers: [10368] 10368,71 unequal: No Solution Exploring Operation: 96+108=204, Resulting Numbers: [204] 204,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 71:[56, 148], Operations: ['67-11=56', '52+96=148'] Exploring Operation: 56*148=8288, Resulting Numbers: [8288] 8288,71 unequal: No Solution Exploring Operation: 148-56=92, Resulting Numbers: [92] 92,71 unequal: No Solution Exploring Operation: 56+148=204, Resulting Numbers: [204] 204,71 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
[ 75, 40, 17, 6 ]
73
[ "40-6=34", "34/17=2", "75-2=73" ]
Current State: 73:[75, 40, 17, 6], Operations: [] Exploring Operation: 40-6=34, Resulting Numbers: [75, 17, 34] Generated Node #2: [75, 17, 34] from Operation: 40-6=34 Current State: 73:[75, 17, 34], Operations: ['40-6=34'] Exploring Operation: 34/17=2, Resulting Numbers: [75, 2] Generated Node #3: [75, 2] from Operation: 34/17=2 Current State: 73:[75, 2], Operations: ['40-6=34', '34/17=2'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[75, 40, 17, 6], Operations: [] Exploring Operation: 17*6=102, Resulting Numbers: [75, 40, 102] Generated Node #0,0: 73:[75, 40, 102] Operation: 17*6=102 Exploring Operation: 40+17=57, Resulting Numbers: [75, 6, 57] Generated Node #0,1: 73:[75, 6, 57] Operation: 40+17=57 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[75, 40, 102], Operations: ['17*6=102'] Exploring Operation: 75-40=35, Resulting Numbers: [102, 35] Generated Node #0,0,0: 73:[102, 35] Operation: 75-40=35 Exploring Operation: 102-40=62, Resulting Numbers: [75, 62] Generated Node #0,0,1: 73:[75, 62] Operation: 102-40=62 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 73:[75, 62], Operations: ['17*6=102', '102-40=62'] Exploring Operation: 75-62=13, Resulting Numbers: [13] 13,73 unequal: No Solution Exploring Operation: 75+62=137, Resulting Numbers: [137] 137,73 unequal: No Solution No 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: 73:[102, 35], Operations: ['17*6=102', '75-40=35'] Exploring Operation: 102+35=137, Resulting Numbers: [137] 137,73 unequal: No Solution Exploring Operation: 102-35=67, Resulting Numbers: [67] 67,73 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: 73:[75, 6, 57], Operations: ['40+17=57'] Exploring Operation: 6+57=63, Resulting Numbers: [75, 63] Generated Node #0,1,0: 73:[75, 63] Operation: 6+57=63 Exploring Operation: 75-6=69, Resulting Numbers: [57, 69] Generated Node #0,1,1: 73:[57, 69] Operation: 75-6=69 Moving to Node #0,1,0 Current State: 73:[75, 63], Operations: ['40+17=57', '6+57=63'] Exploring Operation: 75+63=138, Resulting Numbers: [138] 138,73 unequal: No Solution Exploring Operation: 75-63=12, Resulting Numbers: [12] 12,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[57, 69], Operations: ['40+17=57', '75-6=69'] Exploring Operation: 69-57=12, Resulting Numbers: [12] 12,73 unequal: No Solution Exploring Operation: 57+69=126, Resulting Numbers: [126] 126,73 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
[ 6, 50, 62, 93 ]
87
[ "6+50=56", "93-62=31", "56+31=87" ]
Current State: 87:[6, 50, 62, 93], Operations: [] Exploring Operation: 6+50=56, Resulting Numbers: [62, 93, 56] Generated Node #2: [62, 93, 56] from Operation: 6+50=56 Current State: 87:[62, 93, 56], Operations: ['6+50=56'] Exploring Operation: 93-62=31, Resulting Numbers: [56, 31] Generated Node #3: [56, 31] from Operation: 93-62=31 Current State: 87:[56, 31], Operations: ['6+50=56', '93-62=31'] Exploring Operation: 56+31=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[6, 50, 62, 93], Operations: [] Exploring Operation: 93-62=31, Resulting Numbers: [6, 50, 31] Generated Node #0,0: 87:[6, 50, 31] Operation: 93-62=31 Exploring Operation: 93-50=43, Resulting Numbers: [6, 62, 43] Generated Node #0,1: 87:[6, 62, 43] Operation: 93-50=43 Exploring Operation: 62-50=12, Resulting Numbers: [6, 93, 12] Generated Node #0,2: 87:[6, 93, 12] Operation: 62-50=12 Exploring Operation: 50+62=112, Resulting Numbers: [6, 93, 112] Generated Node #0,3: 87:[6, 93, 112] Operation: 50+62=112 Moving to Node #0,2 Current State: 87:[6, 93, 12], Operations: ['62-50=12'] Exploring Operation: 93-12=81, Resulting Numbers: [6, 81] Generated Node #0,2,0: 87:[6, 81] Operation: 93-12=81 Exploring Operation: 12/6=2, Resulting Numbers: [93, 2] Generated Node #0,2,1: 87:[93, 2] Operation: 12/6=2 Exploring Operation: 93-6=87, Resulting Numbers: [12, 87] Generated Node #0,2,2: 87:[12, 87] Operation: 93-6=87 Exploring Operation: 12-6=6, Resulting Numbers: [93, 6] Generated Node #0,2,3: 87:[93, 6] Operation: 12-6=6 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 87:[93, 2], Operations: ['62-50=12', '12/6=2'] Exploring Operation: 93+2=95, Resulting Numbers: [95] 95,87 unequal: No Solution Exploring Operation: 93-2=91, Resulting Numbers: [91] 91,87 unequal: No Solution Exploring Operation: 93*2=186, Resulting Numbers: [186] 186,87 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 #0,2,0 Current State: 87:[6, 81], Operations: ['62-50=12', '93-12=81'] Exploring Operation: 6+81=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[6, 50, 62, 93], Operations: [] Exploring Operation: 62-50=12, Resulting Numbers: [6, 93, 12] Generated Node #0,2: 87:[6, 93, 12] Operation: 62-50=12 Moving to Node #0,2 Current State: 87:[6, 93, 12], Operations: ['62-50=12'] Exploring Operation: 93-12=81, Resulting Numbers: [6, 81] Generated Node #0,2,0: 87:[6, 81] Operation: 93-12=81 Moving to Node #0,2,0 Current State: 87:[6, 81], Operations: ['62-50=12', '93-12=81'] Exploring Operation: 6+81=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 40, 29, 34, 43 ]
20
[ "40-29=11", "43-34=9", "11+9=20" ]
Current State: 20:[40, 29, 34, 43], Operations: [] Exploring Operation: 40-29=11, Resulting Numbers: [34, 43, 11] Generated Node #2: [34, 43, 11] from Operation: 40-29=11 Current State: 20:[34, 43, 11], Operations: ['40-29=11'] Exploring Operation: 43-34=9, Resulting Numbers: [11, 9] Generated Node #3: [11, 9] from Operation: 43-34=9 Current State: 20:[11, 9], Operations: ['40-29=11', '43-34=9'] Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[40, 29, 34, 43], Operations: [] Exploring Operation: 43-40=3, Resulting Numbers: [29, 34, 3] Generated Node #0,0: 20:[29, 34, 3] Operation: 43-40=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[29, 34, 3], Operations: ['43-40=3'] Exploring Operation: 34-29=5, Resulting Numbers: [3, 5] Generated Node #0,0,0: 20:[3, 5] Operation: 34-29=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[3, 5], Operations: ['43-40=3', '34-29=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 63, 98, 9, 84 ]
68
[ "63+98=161", "9+84=93", "161-93=68" ]
Current State: 68:[63, 98, 9, 84], Operations: [] Exploring Operation: 63+98=161, Resulting Numbers: [9, 84, 161] Generated Node #2: [9, 84, 161] from Operation: 63+98=161 Current State: 68:[9, 84, 161], Operations: ['63+98=161'] Exploring Operation: 9+84=93, Resulting Numbers: [161, 93] Generated Node #3: [161, 93] from Operation: 9+84=93 Current State: 68:[161, 93], Operations: ['63+98=161', '9+84=93'] Exploring Operation: 161-93=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[63, 98, 9, 84], Operations: [] Exploring Operation: 98-84=14, Resulting Numbers: [63, 9, 14] Generated Node #0,0: 68:[63, 9, 14] Operation: 98-84=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[63, 9, 14], Operations: ['98-84=14'] Exploring Operation: 63/9=7, Resulting Numbers: [14, 7] Generated Node #0,0,0: 68:[14, 7] Operation: 63/9=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 68:[14, 7], Operations: ['98-84=14', '63/9=7'] Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,68 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_1
mult_heuristic
[ 33, 35, 58, 3 ]
34
[ "33/3=11", "58-35=23", "11+23=34" ]
Current State: 34:[33, 35, 58, 3], Operations: [] Exploring Operation: 33/3=11, Resulting Numbers: [35, 58, 11] Generated Node #2: [35, 58, 11] from Operation: 33/3=11 Current State: 34:[35, 58, 11], Operations: ['33/3=11'] Exploring Operation: 58-35=23, Resulting Numbers: [11, 23] Generated Node #3: [11, 23] from Operation: 58-35=23 Current State: 34:[11, 23], Operations: ['33/3=11', '58-35=23'] Exploring Operation: 11+23=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[33, 35, 58, 3], Operations: [] Exploring Operation: 35-33=2, Resulting Numbers: [58, 3, 2] Generated Node #0,0: 34:[58, 3, 2] Operation: 35-33=2 Exploring Operation: 58-33=25, Resulting Numbers: [35, 3, 25] Generated Node #0,1: 34:[35, 3, 25] Operation: 58-33=25 Exploring Operation: 58-3=55, Resulting Numbers: [33, 35, 55] Generated Node #0,2: 34:[33, 35, 55] Operation: 58-3=55 Exploring Operation: 58-35=23, Resulting Numbers: [33, 3, 23] Generated Node #0,3: 34:[33, 3, 23] Operation: 58-35=23 Start Sub Search at level 1: Moving to Node #0,3 Current State: 34:[33, 3, 23], Operations: ['58-35=23'] Exploring Operation: 3+23=26, Resulting Numbers: [33, 26] Generated Node #0,3,0: 34:[33, 26] Operation: 3+23=26 Exploring Operation: 23-3=20, Resulting Numbers: [33, 20] Generated Node #0,3,1: 34:[33, 20] Operation: 23-3=20 Exploring Operation: 33-23=10, Resulting Numbers: [3, 10] Generated Node #0,3,2: 34:[3, 10] Operation: 33-23=10 Exploring Operation: 33+3=36, Resulting Numbers: [23, 36] Generated Node #0,3,3: 34:[23, 36] Operation: 33+3=36 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 34:[33, 20], Operations: ['58-35=23', '23-3=20'] Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,34 unequal: No Solution Exploring Operation: 33+20=53, Resulting Numbers: [53] 53,34 unequal: No Solution Exploring Operation: 33*20=660, Resulting Numbers: [660] 660,34 unequal: No Solution No 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: 34:[3, 10], Operations: ['58-35=23', '33-23=10'] Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,34 unequal: No Solution Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,34 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,34 unequal: No Solution No 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: 34:[23, 36], Operations: ['58-35=23', '33+3=36'] Exploring Operation: 23*36=828, Resulting Numbers: [828] 828,34 unequal: No Solution Exploring Operation: 23+36=59, Resulting Numbers: [59] 59,34 unequal: No Solution Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,34 unequal: No Solution No 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: 34:[33, 26], Operations: ['58-35=23', '3+23=26'] Exploring Operation: 33*26=858, Resulting Numbers: [858] 858,34 unequal: No Solution Exploring Operation: 33+26=59, Resulting Numbers: [59] 59,34 unequal: No Solution Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,34 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: 34:[35, 3, 25], Operations: ['58-33=25'] Exploring Operation: 35-25=10, Resulting Numbers: [3, 10] Generated Node #0,1,0: 34:[3, 10] Operation: 35-25=10 Exploring Operation: 25-3=22, Resulting Numbers: [35, 22] Generated Node #0,1,1: 34:[35, 22] Operation: 25-3=22 Exploring Operation: 3+25=28, Resulting Numbers: [35, 28] Generated Node #0,1,2: 34:[35, 28] Operation: 3+25=28 Exploring Operation: 35-3=32, Resulting Numbers: [25, 32] Generated Node #0,1,3: 34:[25, 32] Operation: 35-3=32 Moving to Node #0,1,1 Current State: 34:[35, 22], Operations: ['58-33=25', '25-3=22'] Exploring Operation: 35+22=57, Resulting Numbers: [57] 57,34 unequal: No Solution Exploring Operation: 35*22=770, Resulting Numbers: [770] 770,34 unequal: No Solution Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,34 unequal: No Solution Moving to Node #0,1,2 Current State: 34:[35, 28], Operations: ['58-33=25', '3+25=28'] Exploring Operation: 35*28=980, Resulting Numbers: [980] 980,34 unequal: No Solution Exploring Operation: 35-28=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 35+28=63, Resulting Numbers: [63] 63,34 unequal: No Solution Moving to Node #0,1,0 Current State: 34:[3, 10], Operations: ['58-33=25', '35-25=10'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,34 unequal: No Solution Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,34 unequal: No Solution Moving to Node #0,1,3 Current State: 34:[25, 32], Operations: ['58-33=25', '35-3=32'] Exploring Operation: 32-25=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 25+32=57, Resulting Numbers: [57] 57,34 unequal: No Solution Exploring Operation: 25*32=800, Resulting Numbers: [800] 800,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[33, 35, 55], Operations: ['58-3=55'] Exploring Operation: 35-33=2, Resulting Numbers: [55, 2] Generated Node #0,2,0: 34:[55, 2] Operation: 35-33=2 Exploring Operation: 55-35=20, Resulting Numbers: [33, 20] Generated Node #0,2,1: 34:[33, 20] Operation: 55-35=20 Exploring Operation: 33+35=68, Resulting Numbers: [55, 68] Generated Node #0,2,2: 34:[55, 68] Operation: 33+35=68 Exploring Operation: 55-33=22, Resulting Numbers: [35, 22] Generated Node #0,2,3: 34:[35, 22] Operation: 55-33=22 Moving to Node #0,2,1 Current State: 34:[33, 20], Operations: ['58-3=55', '55-35=20'] Exploring Operation: 33*20=660, Resulting Numbers: [660] 660,34 unequal: No Solution Exploring Operation: 33+20=53, Resulting Numbers: [53] 53,34 unequal: No Solution Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,34 unequal: No Solution Moving to Node #0,2,3 Current State: 34:[35, 22], Operations: ['58-3=55', '55-33=22'] Exploring Operation: 35+22=57, Resulting Numbers: [57] 57,34 unequal: No Solution Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,34 unequal: No Solution Exploring Operation: 35*22=770, Resulting Numbers: [770] 770,34 unequal: No Solution Moving to Node #0,2,0 Current State: 34:[55, 2], Operations: ['58-3=55', '35-33=2'] Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,34 unequal: No Solution Exploring Operation: 55*2=110, Resulting Numbers: [110] 110,34 unequal: No Solution Exploring Operation: 55+2=57, Resulting Numbers: [57] 57,34 unequal: No Solution Moving to Node #0,2,2 Current State: 34:[55, 68], Operations: ['58-3=55', '33+35=68'] Exploring Operation: 68-55=13, Resulting Numbers: [13] 13,34 unequal: No Solution Exploring Operation: 55*68=3740, Resulting Numbers: [3740] 3740,34 unequal: No Solution Exploring Operation: 55+68=123, Resulting Numbers: [123] 123,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[58, 3, 2], Operations: ['35-33=2'] Exploring Operation: 3-2=1, Resulting Numbers: [58, 1] Generated Node #0,0,0: 34:[58, 1] Operation: 3-2=1 Exploring Operation: 58-3=55, Resulting Numbers: [2, 55] Generated Node #0,0,1: 34:[2, 55] Operation: 58-3=55 Exploring Operation: 58/2=29, Resulting Numbers: [3, 29] Generated Node #0,0,2: 34:[3, 29] Operation: 58/2=29 Exploring Operation: 58-2=56, Resulting Numbers: [3, 56] Generated Node #0,0,3: 34:[3, 56] Operation: 58-2=56 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 34:[3, 29], Operations: ['35-33=2', '58/2=29'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,34 unequal: No Solution Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,34 unequal: No Solution No 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: 34:[2, 55], Operations: ['35-33=2', '58-3=55'] Exploring Operation: 2+55=57, Resulting Numbers: [57] 57,34 unequal: No Solution Exploring Operation: 2*55=110, Resulting Numbers: [110] 110,34 unequal: No Solution Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,34 unequal: No Solution No 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: 34:[3, 56], Operations: ['35-33=2', '58-2=56'] Exploring Operation: 3*56=168, Resulting Numbers: [168] 168,34 unequal: No Solution Exploring Operation: 3+56=59, Resulting Numbers: [59] 59,34 unequal: No Solution Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,34 unequal: No Solution No 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: 34:[58, 1], Operations: ['35-33=2', '3-2=1'] Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,34 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,34 unequal: No Solution Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,34 unequal: No Solution Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,34 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
[ 97, 44, 9, 64 ]
20
[ "97-44=53", "9+64=73", "73-53=20" ]
Current State: 20:[97, 44, 9, 64], Operations: [] Exploring Operation: 97-44=53, Resulting Numbers: [9, 64, 53] Generated Node #2: [9, 64, 53] from Operation: 97-44=53 Current State: 20:[9, 64, 53], Operations: ['97-44=53'] Exploring Operation: 9+64=73, Resulting Numbers: [53, 73] Generated Node #3: [53, 73] from Operation: 9+64=73 Current State: 20:[53, 73], Operations: ['97-44=53', '9+64=73'] Exploring Operation: 73-53=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[97, 44, 9, 64], Operations: [] Exploring Operation: 97-9=88, Resulting Numbers: [44, 64, 88] Generated Node #0,0: 20:[44, 64, 88] Operation: 97-9=88 Exploring Operation: 44-9=35, Resulting Numbers: [97, 64, 35] Generated Node #0,1: 20:[97, 64, 35] Operation: 44-9=35 Exploring Operation: 64-44=20, Resulting Numbers: [97, 9, 20] Generated Node #0,2: 20:[97, 9, 20] Operation: 64-44=20 Exploring Operation: 97-64=33, Resulting Numbers: [44, 9, 33] Generated Node #0,3: 20:[44, 9, 33] Operation: 97-64=33 Exploring Operation: 97-44=53, Resulting Numbers: [9, 64, 53] Generated Node #0,4: 20:[9, 64, 53] Operation: 97-44=53 Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[44, 9, 33], Operations: ['97-64=33'] Exploring Operation: 33-9=24, Resulting Numbers: [44, 24] Generated Node #0,3,0: 20:[44, 24] Operation: 33-9=24 Exploring Operation: 9+33=42, Resulting Numbers: [44, 42] Generated Node #0,3,1: 20:[44, 42] Operation: 9+33=42 Exploring Operation: 44-33=11, Resulting Numbers: [9, 11] Generated Node #0,3,2: 20:[9, 11] Operation: 44-33=11 Exploring Operation: 44+9=53, Resulting Numbers: [33, 53] Generated Node #0,3,3: 20:[33, 53] Operation: 44+9=53 Exploring Operation: 44-9=35, Resulting Numbers: [33, 35] Generated Node #0,3,4: 20:[33, 35] Operation: 44-9=35 Moving to Node #0,3,2 Current State: 20:[9, 11], Operations: ['97-64=33', '44-33=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,20 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[97, 44, 9, 64], Operations: [] Exploring Operation: 97-64=33, Resulting Numbers: [44, 9, 33] Generated Node #0,3: 20:[44, 9, 33] Operation: 97-64=33 Moving to Node #0,3 Current State: 20:[44, 9, 33], Operations: ['97-64=33'] Exploring Operation: 44-33=11, Resulting Numbers: [9, 11] Generated Node #0,3,2: 20:[9, 11] Operation: 44-33=11 Moving to Node #0,3,2 Current State: 20:[9, 11], Operations: ['97-64=33', '44-33=11'] Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 50, 25, 10, 88 ]
23
[ "50+25=75", "10+88=98", "98-75=23" ]
Current State: 23:[50, 25, 10, 88], Operations: [] Exploring Operation: 50+25=75, Resulting Numbers: [10, 88, 75] Generated Node #2: [10, 88, 75] from Operation: 50+25=75 Current State: 23:[10, 88, 75], Operations: ['50+25=75'] Exploring Operation: 10+88=98, Resulting Numbers: [75, 98] Generated Node #3: [75, 98] from Operation: 10+88=98 Current State: 23:[75, 98], Operations: ['50+25=75', '10+88=98'] Exploring Operation: 98-75=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[50, 25, 10, 88], Operations: [] Exploring Operation: 88-50=38, Resulting Numbers: [25, 10, 38] Generated Node #0,0: 23:[25, 10, 38] Operation: 88-50=38 Exploring Operation: 50-25=25, Resulting Numbers: [10, 88, 25] Generated Node #0,1: 23:[10, 88, 25] Operation: 50-25=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[25, 10, 38], Operations: ['88-50=38'] Exploring Operation: 38-10=28, Resulting Numbers: [25, 28] Generated Node #0,0,0: 23:[25, 28] Operation: 38-10=28 Exploring Operation: 25-10=15, Resulting Numbers: [38, 15] Generated Node #0,0,1: 23:[38, 15] Operation: 25-10=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[25, 28], Operations: ['88-50=38', '38-10=28'] Exploring Operation: 25+28=53, Resulting Numbers: [53] 53,23 unequal: No Solution Exploring Operation: 28-25=3, Resulting Numbers: [3] 3,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[38, 15], Operations: ['88-50=38', '25-10=15'] Exploring Operation: 38+15=53, Resulting Numbers: [53] 53,23 unequal: No Solution Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[50, 25, 10, 88], Operations: [] Exploring Operation: 88-50=38, Resulting Numbers: [25, 10, 38] Generated Node #0,0: 23:[25, 10, 38] Operation: 88-50=38 Moving to Node #0,0 Current State: 23:[25, 10, 38], Operations: ['88-50=38'] Exploring Operation: 25-10=15, Resulting Numbers: [38, 15] Generated Node #0,0,1: 23:[38, 15] Operation: 25-10=15 Moving to Node #0,0,1 Current State: 23:[38, 15], Operations: ['88-50=38', '25-10=15'] Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 98, 6, 5, 69 ]
18
[ "98-6=92", "5+69=74", "92-74=18" ]
Current State: 18:[98, 6, 5, 69], Operations: [] Exploring Operation: 98-6=92, Resulting Numbers: [5, 69, 92] Generated Node #2: [5, 69, 92] from Operation: 98-6=92 Current State: 18:[5, 69, 92], Operations: ['98-6=92'] Exploring Operation: 5+69=74, Resulting Numbers: [92, 74] Generated Node #3: [92, 74] from Operation: 5+69=74 Current State: 18:[92, 74], Operations: ['98-6=92', '5+69=74'] Exploring Operation: 92-74=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[98, 6, 5, 69], Operations: [] Exploring Operation: 98-6=92, Resulting Numbers: [5, 69, 92] Generated Node #0,0: 18:[5, 69, 92] Operation: 98-6=92 Exploring Operation: 98-5=93, Resulting Numbers: [6, 69, 93] Generated Node #0,1: 18:[6, 69, 93] Operation: 98-5=93 Exploring Operation: 98-69=29, Resulting Numbers: [6, 5, 29] Generated Node #0,2: 18:[6, 5, 29] Operation: 98-69=29 Moving to Node #0,2 Current State: 18:[6, 5, 29], Operations: ['98-69=29'] Exploring Operation: 29-6=23, Resulting Numbers: [5, 23] Generated Node #0,2,0: 18:[5, 23] Operation: 29-6=23 Exploring Operation: 29-5=24, Resulting Numbers: [6, 24] Generated Node #0,2,1: 18:[6, 24] Operation: 29-5=24 Exploring Operation: 6-5=1, Resulting Numbers: [29, 1] Generated Node #0,2,2: 18:[29, 1] Operation: 6-5=1 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 18:[5, 23], Operations: ['98-69=29', '29-6=23'] Exploring Operation: 5+23=28, Resulting Numbers: [28] 28,18 unequal: No Solution Exploring Operation: 5*23=115, Resulting Numbers: [115] 115,18 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[98, 6, 5, 69], Operations: [] Exploring Operation: 98-69=29, Resulting Numbers: [6, 5, 29] Generated Node #0,2: 18:[6, 5, 29] Operation: 98-69=29 Moving to Node #0,2 Current State: 18:[6, 5, 29], Operations: ['98-69=29'] Exploring Operation: 29-6=23, Resulting Numbers: [5, 23] Generated Node #0,2,0: 18:[5, 23] Operation: 29-6=23 Moving to Node #0,2,0 Current State: 18:[5, 23], Operations: ['98-69=29', '29-6=23'] Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 94, 74, 18, 7 ]
58
[ "94+18=112", "112/7=16", "74-16=58" ]
Current State: 58:[94, 74, 18, 7], Operations: [] Exploring Operation: 94+18=112, Resulting Numbers: [74, 7, 112] Generated Node #2: [74, 7, 112] from Operation: 94+18=112 Current State: 58:[74, 7, 112], Operations: ['94+18=112'] Exploring Operation: 112/7=16, Resulting Numbers: [74, 16] Generated Node #3: [74, 16] from Operation: 112/7=16 Current State: 58:[74, 16], Operations: ['94+18=112', '112/7=16'] Exploring Operation: 74-16=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[94, 74, 18, 7], Operations: [] Exploring Operation: 94-7=87, Resulting Numbers: [74, 18, 87] Generated Node #0,0: 58:[74, 18, 87] Operation: 94-7=87 Exploring Operation: 74-18=56, Resulting Numbers: [94, 7, 56] Generated Node #0,1: 58:[94, 7, 56] Operation: 74-18=56 Exploring Operation: 74-7=67, Resulting Numbers: [94, 18, 67] Generated Node #0,2: 58:[94, 18, 67] Operation: 74-7=67 Exploring Operation: 94-74=20, Resulting Numbers: [18, 7, 20] Generated Node #0,3: 58:[18, 7, 20] Operation: 94-74=20 Exploring Operation: 94-18=76, Resulting Numbers: [74, 7, 76] Generated Node #0,4: 58:[74, 7, 76] Operation: 94-18=76 Start Sub Search at level 1: Moving to Node #0,3 Current State: 58:[18, 7, 20], Operations: ['94-74=20'] Exploring Operation: 20-18=2, Resulting Numbers: [7, 2] Generated Node #0,3,0: 58:[7, 2] Operation: 20-18=2 Exploring Operation: 18-7=11, Resulting Numbers: [20, 11] Generated Node #0,3,1: 58:[20, 11] Operation: 18-7=11 Exploring Operation: 18+7=25, Resulting Numbers: [20, 25] Generated Node #0,3,2: 58:[20, 25] Operation: 18+7=25 Exploring Operation: 7+20=27, Resulting Numbers: [18, 27] Generated Node #0,3,3: 58:[18, 27] Operation: 7+20=27 Exploring Operation: 18+20=38, Resulting Numbers: [7, 38] Generated Node #0,3,4: 58:[7, 38] Operation: 18+20=38 Moving to Node #0,3,0 Current State: 58:[7, 2], Operations: ['94-74=20', '20-18=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,58 unequal: No Solution Moving to Node #0,3,3 Current State: 58:[18, 27], Operations: ['94-74=20', '7+20=27'] Exploring Operation: 27-18=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 18+27=45, Resulting Numbers: [45] 45,58 unequal: No Solution Exploring Operation: 18*27=486, Resulting Numbers: [486] 486,58 unequal: No Solution Moving to Node #0,3,2 Current State: 58:[20, 25], Operations: ['94-74=20', '18+7=25'] Exploring Operation: 25-20=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 20*25=500, Resulting Numbers: [500] 500,58 unequal: No Solution Exploring Operation: 20+25=45, Resulting Numbers: [45] 45,58 unequal: No Solution Moving to Node #0,3,4 Current State: 58:[7, 38], Operations: ['94-74=20', '18+20=38'] Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 7*38=266, Resulting Numbers: [266] 266,58 unequal: No Solution Exploring Operation: 7+38=45, Resulting Numbers: [45] 45,58 unequal: No Solution Moving to Node #0,3,1 Current State: 58:[20, 11], Operations: ['94-74=20', '18-7=11'] Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,58 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 #0,4 Current State: 58:[74, 7, 76], Operations: ['94-18=76'] Exploring Operation: 74+7=81, Resulting Numbers: [76, 81] Generated Node #0,4,0: 58:[76, 81] Operation: 74+7=81 Exploring Operation: 76-74=2, Resulting Numbers: [7, 2] Generated Node #0,4,1: 58:[7, 2] Operation: 76-74=2 Exploring Operation: 76-7=69, Resulting Numbers: [74, 69] Generated Node #0,4,2: 58:[74, 69] Operation: 76-7=69 Exploring Operation: 74-7=67, Resulting Numbers: [76, 67] Generated Node #0,4,3: 58:[76, 67] Operation: 74-7=67 Exploring Operation: 7+76=83, Resulting Numbers: [74, 83] Generated Node #0,4,4: 58:[74, 83] Operation: 7+76=83 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 58:[7, 2], Operations: ['94-18=76', '76-74=2'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 58:[74, 69], Operations: ['94-18=76', '76-7=69'] Exploring Operation: 74*69=5106, Resulting Numbers: [5106] 5106,58 unequal: No Solution Exploring Operation: 74+69=143, Resulting Numbers: [143] 143,58 unequal: No Solution Exploring Operation: 74-69=5, Resulting Numbers: [5] 5,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 58:[76, 67], Operations: ['94-18=76', '74-7=67'] Exploring Operation: 76+67=143, Resulting Numbers: [143] 143,58 unequal: No Solution Exploring Operation: 76*67=5092, Resulting Numbers: [5092] 5092,58 unequal: No Solution Exploring Operation: 76-67=9, Resulting Numbers: [9] 9,58 unequal: No Solution No 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: 58:[76, 81], Operations: ['94-18=76', '74+7=81'] Exploring Operation: 76+81=157, Resulting Numbers: [157] 157,58 unequal: No Solution Exploring Operation: 76*81=6156, Resulting Numbers: [6156] 6156,58 unequal: No Solution Exploring Operation: 81-76=5, Resulting Numbers: [5] 5,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 58:[74, 83], Operations: ['94-18=76', '7+76=83'] Exploring Operation: 74*83=6142, Resulting Numbers: [6142] 6142,58 unequal: No Solution Exploring Operation: 83-74=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 74+83=157, Resulting Numbers: [157] 157,58 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: 58:[94, 7, 56], Operations: ['74-18=56'] Exploring Operation: 94+7=101, Resulting Numbers: [56, 101] Generated Node #0,1,0: 58:[56, 101] Operation: 94+7=101 Exploring Operation: 94-7=87, Resulting Numbers: [56, 87] Generated Node #0,1,1: 58:[56, 87] Operation: 94-7=87 Exploring Operation: 94-56=38, Resulting Numbers: [7, 38] Generated Node #0,1,2: 58:[7, 38] Operation: 94-56=38 Exploring Operation: 7+56=63, Resulting Numbers: [94, 63] Generated Node #0,1,3: 58:[94, 63] Operation: 7+56=63 Exploring Operation: 56/7=8, Resulting Numbers: [94, 8] Generated Node #0,1,4: 58:[94, 8] Operation: 56/7=8 Moving to Node #0,1,2 Current State: 58:[7, 38], Operations: ['74-18=56', '94-56=38'] Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 7*38=266, Resulting Numbers: [266] 266,58 unequal: No Solution Exploring Operation: 7+38=45, Resulting Numbers: [45] 45,58 unequal: No Solution Moving to Node #0,1,1 Current State: 58:[56, 87], Operations: ['74-18=56', '94-7=87'] Exploring Operation: 87-56=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 56+87=143, Resulting Numbers: [143] 143,58 unequal: No Solution Exploring Operation: 56*87=4872, Resulting Numbers: [4872] 4872,58 unequal: No Solution Moving to Node #0,1,3 Current State: 58:[94, 63], Operations: ['74-18=56', '7+56=63'] Exploring Operation: 94*63=5922, Resulting Numbers: [5922] 5922,58 unequal: No Solution Exploring Operation: 94-63=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 94+63=157, Resulting Numbers: [157] 157,58 unequal: No Solution Moving to Node #0,1,4 Current State: 58:[94, 8], Operations: ['74-18=56', '56/7=8'] Exploring Operation: 94+8=102, Resulting Numbers: [102] 102,58 unequal: No Solution Exploring Operation: 94-8=86, Resulting Numbers: [86] 86,58 unequal: No Solution Exploring Operation: 94*8=752, Resulting Numbers: [752] 752,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[56, 101], Operations: ['74-18=56', '94+7=101'] Exploring Operation: 56+101=157, Resulting Numbers: [157] 157,58 unequal: No Solution Exploring Operation: 56*101=5656, Resulting Numbers: [5656] 5656,58 unequal: No Solution Exploring Operation: 101-56=45, Resulting Numbers: [45] 45,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[74, 18, 87], Operations: ['94-7=87'] Exploring Operation: 87-74=13, Resulting Numbers: [18, 13] Generated Node #0,0,0: 58:[18, 13] Operation: 87-74=13 Exploring Operation: 87-18=69, Resulting Numbers: [74, 69] Generated Node #0,0,1: 58:[74, 69] Operation: 87-18=69 Exploring Operation: 74+18=92, Resulting Numbers: [87, 92] Generated Node #0,0,2: 58:[87, 92] Operation: 74+18=92 Exploring Operation: 18+87=105, Resulting Numbers: [74, 105] Generated Node #0,0,3: 58:[74, 105] Operation: 18+87=105 Exploring Operation: 74-18=56, Resulting Numbers: [87, 56] Generated Node #0,0,4: 58:[87, 56] Operation: 74-18=56 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 58:[18, 13], Operations: ['94-7=87', '87-74=13'] Exploring Operation: 18+13=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 18*13=234, Resulting Numbers: [234] 234,58 unequal: No Solution No 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: 58:[74, 69], Operations: ['94-7=87', '87-18=69'] Exploring Operation: 74+69=143, Resulting Numbers: [143] 143,58 unequal: No Solution Exploring Operation: 74-69=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 74*69=5106, Resulting Numbers: [5106] 5106,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 58:[87, 56], Operations: ['94-7=87', '74-18=56'] Exploring Operation: 87-56=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 87+56=143, Resulting Numbers: [143] 143,58 unequal: No Solution Exploring Operation: 87*56=4872, Resulting Numbers: [4872] 4872,58 unequal: No Solution No 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: 58:[87, 92], Operations: ['94-7=87', '74+18=92'] Exploring Operation: 92-87=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 87*92=8004, Resulting Numbers: [8004] 8004,58 unequal: No Solution Exploring Operation: 87+92=179, Resulting Numbers: [179] 179,58 unequal: No Solution No 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: 58:[74, 105], Operations: ['94-7=87', '18+87=105'] Exploring Operation: 74+105=179, Resulting Numbers: [179] 179,58 unequal: No Solution Exploring Operation: 105-74=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 74*105=7770, Resulting Numbers: [7770] 7770,58 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: 58:[94, 18, 67], Operations: ['74-7=67'] Exploring Operation: 94-18=76, Resulting Numbers: [67, 76] Generated Node #0,2,0: 58:[67, 76] Operation: 94-18=76 Exploring Operation: 67-18=49, Resulting Numbers: [94, 49] Generated Node #0,2,1: 58:[94, 49] Operation: 67-18=49 Exploring Operation: 94-67=27, Resulting Numbers: [18, 27] Generated Node #0,2,2: 58:[18, 27] Operation: 94-67=27 Exploring Operation: 94+18=112, Resulting Numbers: [67, 112] Generated Node #0,2,3: 58:[67, 112] Operation: 94+18=112 Exploring Operation: 18+67=85, Resulting Numbers: [94, 85] Generated Node #0,2,4: 58:[94, 85] Operation: 18+67=85 Moving to Node #0,2,2 Current State: 58:[18, 27], Operations: ['74-7=67', '94-67=27'] Exploring Operation: 27-18=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 18+27=45, Resulting Numbers: [45] 45,58 unequal: No Solution Exploring Operation: 18*27=486, Resulting Numbers: [486] 486,58 unequal: No Solution Moving to Node #0,2,0 Current State: 58:[67, 76], Operations: ['74-7=67', '94-18=76'] Exploring Operation: 67+76=143, Resulting Numbers: [143] 143,58 unequal: No Solution Exploring Operation: 67*76=5092, Resulting Numbers: [5092] 5092,58 unequal: No Solution Exploring Operation: 76-67=9, Resulting Numbers: [9] 9,58 unequal: No Solution Moving to Node #0,2,1 Current State: 58:[94, 49], Operations: ['74-7=67', '67-18=49'] Exploring Operation: 94*49=4606, Resulting Numbers: [4606] 4606,58 unequal: No Solution Exploring Operation: 94-49=45, Resulting Numbers: [45] 45,58 unequal: No Solution Exploring Operation: 94+49=143, Resulting Numbers: [143] 143,58 unequal: No Solution Moving to Node #0,2,3 Current State: 58:[67, 112], Operations: ['74-7=67', '94+18=112'] Exploring Operation: 67*112=7504, Resulting Numbers: [7504] 7504,58 unequal: No Solution Exploring Operation: 67+112=179, Resulting Numbers: [179] 179,58 unequal: No Solution Exploring Operation: 112-67=45, Resulting Numbers: [45] 45,58 unequal: No Solution Moving to Node #0,2,4 Current State: 58:[94, 85], Operations: ['74-7=67', '18+67=85'] Exploring Operation: 94*85=7990, Resulting Numbers: [7990] 7990,58 unequal: No Solution Exploring Operation: 94+85=179, Resulting Numbers: [179] 179,58 unequal: No Solution Exploring Operation: 94-85=9, Resulting Numbers: [9] 9,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 12, 26, 6, 7 ]
28
[ "26-12=14", "6*7=42", "42-14=28" ]
Current State: 28:[12, 26, 6, 7], Operations: [] Exploring Operation: 26-12=14, Resulting Numbers: [6, 7, 14] Generated Node #2: [6, 7, 14] from Operation: 26-12=14 Current State: 28:[6, 7, 14], Operations: ['26-12=14'] Exploring Operation: 6*7=42, Resulting Numbers: [14, 42] Generated Node #3: [14, 42] from Operation: 6*7=42 Current State: 28:[14, 42], Operations: ['26-12=14', '6*7=42'] Exploring Operation: 42-14=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[12, 26, 6, 7], Operations: [] Exploring Operation: 12-6=6, Resulting Numbers: [26, 7, 6] Generated Node #0,0: 28:[26, 7, 6] Operation: 12-6=6 Exploring Operation: 26-12=14, Resulting Numbers: [6, 7, 14] Generated Node #0,1: 28:[6, 7, 14] Operation: 26-12=14 Exploring Operation: 12/6=2, Resulting Numbers: [26, 7, 2] Generated Node #0,2: 28:[26, 7, 2] Operation: 12/6=2 Exploring Operation: 6+7=13, Resulting Numbers: [12, 26, 13] Generated Node #0,3: 28:[12, 26, 13] Operation: 6+7=13 Exploring Operation: 12-7=5, Resulting Numbers: [26, 6, 5] Generated Node #0,4: 28:[26, 6, 5] Operation: 12-7=5 Moving to Node #0,1 Current State: 28:[6, 7, 14], Operations: ['26-12=14'] Exploring Operation: 14-7=7, Resulting Numbers: [6, 7] Generated Node #0,1,0: 28:[6, 7] Operation: 14-7=7 Exploring Operation: 6+7=13, Resulting Numbers: [14, 13] Generated Node #0,1,1: 28:[14, 13] Operation: 6+7=13 Exploring Operation: 7-6=1, Resulting Numbers: [14, 1] Generated Node #0,1,2: 28:[14, 1] Operation: 7-6=1 Exploring Operation: 14-6=8, Resulting Numbers: [7, 8] Generated Node #0,1,3: 28:[7, 8] Operation: 14-6=8 Exploring Operation: 14/7=2, Resulting Numbers: [6, 2] Generated Node #0,1,4: 28:[6, 2] Operation: 14/7=2 Moving to Node #0,2 Current State: 28:[26, 7, 2], Operations: ['12/6=2'] Exploring Operation: 26/2=13, Resulting Numbers: [7, 13] Generated Node #0,2,0: 28:[7, 13] Operation: 26/2=13 Exploring Operation: 7*2=14, Resulting Numbers: [26, 14] Generated Node #0,2,1: 28:[26, 14] Operation: 7*2=14 Exploring Operation: 26+2=28, Resulting Numbers: [7, 28] Generated Node #0,2,2: 28:[7, 28] Operation: 26+2=28 Exploring Operation: 7-2=5, Resulting Numbers: [26, 5] Generated Node #0,2,3: 28:[26, 5] Operation: 7-2=5 Exploring Operation: 26-2=24, Resulting Numbers: [7, 24] Generated Node #0,2,4: 28:[7, 24] Operation: 26-2=24 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 28:[7, 28], Operations: ['12/6=2', '26+2=28'] Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 7+28=35, Resulting Numbers: [35] 35,28 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,28 unequal: No Solution Exploring Operation: 7*28=196, Resulting Numbers: [196] 196,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 28:[7, 13], Operations: ['12/6=2', '26/2=13'] Exploring Operation: 7+13=20, Resulting Numbers: [20] 20,28 unequal: No Solution Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,28 unequal: No Solution Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 28:[26, 14], Operations: ['12/6=2', '7*2=14'] Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,28 unequal: No Solution Exploring Operation: 26+14=40, Resulting Numbers: [40] 40,28 unequal: No Solution Exploring Operation: 26*14=364, Resulting Numbers: [364] 364,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 28:[26, 5], Operations: ['12/6=2', '7-2=5'] Exploring Operation: 26+5=31, Resulting Numbers: [31] 31,28 unequal: No Solution Exploring Operation: 26*5=130, Resulting Numbers: [130] 130,28 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 28:[7, 24], Operations: ['12/6=2', '26-2=24'] Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,28 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,28 unequal: No Solution Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,28 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: 28:[26, 7, 6], Operations: ['12-6=6'] Exploring Operation: 7+6=13, Resulting Numbers: [26, 13] Generated Node #0,0,0: 28:[26, 13] Operation: 7+6=13 Exploring Operation: 26-7=19, Resulting Numbers: [6, 19] Generated Node #0,0,1: 28:[6, 19] Operation: 26-7=19 Exploring Operation: 7-6=1, Resulting Numbers: [26, 1] Generated Node #0,0,2: 28:[26, 1] Operation: 7-6=1 Exploring Operation: 26+7=33, Resulting Numbers: [6, 33] Generated Node #0,0,3: 28:[6, 33] Operation: 26+7=33 Exploring Operation: 26+6=32, Resulting Numbers: [7, 32] Generated Node #0,0,4: 28:[7, 32] Operation: 26+6=32 Moving to Node #0,4 Current State: 28:[26, 6, 5], Operations: ['12-7=5'] Exploring Operation: 6*5=30, Resulting Numbers: [26, 30] Generated Node #0,4,0: 28:[26, 30] Operation: 6*5=30 Exploring Operation: 6+5=11, Resulting Numbers: [26, 11] Generated Node #0,4,1: 28:[26, 11] Operation: 6+5=11 Exploring Operation: 26+5=31, Resulting Numbers: [6, 31] Generated Node #0,4,2: 28:[6, 31] Operation: 26+5=31 Exploring Operation: 6-5=1, Resulting Numbers: [26, 1] Generated Node #0,4,3: 28:[26, 1] Operation: 6-5=1 Exploring Operation: 26+6=32, Resulting Numbers: [5, 32] Generated Node #0,4,4: 28:[5, 32] Operation: 26+6=32 Moving to Node #0,3 Current State: 28:[12, 26, 13], Operations: ['6+7=13'] Exploring Operation: 13-12=1, Resulting Numbers: [26, 1] Generated Node #0,3,0: 28:[26, 1] Operation: 13-12=1 Exploring Operation: 26-12=14, Resulting Numbers: [13, 14] Generated Node #0,3,1: 28:[13, 14] Operation: 26-12=14 Exploring Operation: 26-13=13, Resulting Numbers: [12, 13] Generated Node #0,3,2: 28:[12, 13] Operation: 26-13=13 Exploring Operation: 12+13=25, Resulting Numbers: [26, 25] Generated Node #0,3,3: 28:[26, 25] Operation: 12+13=25 Exploring Operation: 26/13=2, Resulting Numbers: [12, 2] Generated Node #0,3,4: 28:[12, 2] Operation: 26/13=2 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 28:[13, 14], Operations: ['6+7=13', '26-12=14'] Exploring Operation: 13+14=27, Resulting Numbers: [27] 27,28 unequal: No Solution Exploring Operation: 13*14=182, Resulting Numbers: [182] 182,28 unequal: No Solution Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 28:[12, 2], Operations: ['6+7=13', '26/13=2'] Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,28 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,28 unequal: No Solution Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,28 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 28:[26, 1], Operations: ['6+7=13', '13-12=1'] Exploring Operation: 26+1=27, Resulting Numbers: [27] 27,28 unequal: No Solution Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,28 unequal: No Solution Exploring Operation: 26/1=26, Resulting Numbers: [26] 26,28 unequal: No Solution Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 28:[12, 13], Operations: ['6+7=13', '26-13=13'] Exploring Operation: 12*13=156, Resulting Numbers: [156] 156,28 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,28 unequal: No Solution Exploring Operation: 12+13=25, Resulting Numbers: [25] 25,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 28:[26, 25], Operations: ['6+7=13', '12+13=25'] Exploring Operation: 26+25=51, Resulting Numbers: [51] 51,28 unequal: No Solution Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,28 unequal: No Solution Exploring Operation: 26*25=650, Resulting Numbers: [650] 650,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 28:[6, 7], Operations: ['26-12=14', '14-7=7'] Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,28 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,28 unequal: No Solution Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,28 unequal: No Solution Moving to Node #0,1,2 Current State: 28:[14, 1], Operations: ['26-12=14', '7-6=1'] Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,28 unequal: No Solution Exploring Operation: 14+1=15, Resulting Numbers: [15] 15,28 unequal: No Solution Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,28 unequal: No Solution Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,28 unequal: No Solution Moving to Node #0,1,1 Current State: 28:[14, 13], Operations: ['26-12=14', '6+7=13'] Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,28 unequal: No Solution Exploring Operation: 14*13=182, Resulting Numbers: [182] 182,28 unequal: No Solution Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,28 unequal: No Solution Moving to Node #0,1,4 Current State: 28:[6, 2], Operations: ['26-12=14', '14/7=2'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,28 unequal: No Solution Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,28 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,28 unequal: No Solution Moving to Node #0,1,3 Current State: 28:[7, 8], Operations: ['26-12=14', '14-6=8'] Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,28 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,28 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,28 unequal: No Solution Moving to Node #0,0,2 Current State: 28:[26, 1], Operations: ['12-6=6', '7-6=1'] Exploring Operation: 26/1=26, Resulting Numbers: [26] 26,28 unequal: No Solution Exploring Operation: 26+1=27, Resulting Numbers: [27] 27,28 unequal: No Solution Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,28 unequal: No Solution Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[26, 13], Operations: ['12-6=6', '7+6=13'] Exploring Operation: 26+13=39, Resulting Numbers: [39] 39,28 unequal: No Solution Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 26*13=338, Resulting Numbers: [338] 338,28 unequal: No Solution Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,28 unequal: No Solution Moving to Node #0,4,3 Current State: 28:[26, 1], Operations: ['12-7=5', '6-5=1'] Exploring Operation: 26+1=27, Resulting Numbers: [27] 27,28 unequal: No Solution Exploring Operation: 26/1=26, Resulting Numbers: [26] 26,28 unequal: No Solution Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,28 unequal: No Solution Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,28 unequal: No Solution Moving to Node #0,4,0 Current State: 28:[26, 30], Operations: ['12-7=5', '6*5=30'] Exploring Operation: 26*30=780, Resulting Numbers: [780] 780,28 unequal: No Solution Exploring Operation: 26+30=56, Resulting Numbers: [56] 56,28 unequal: No Solution Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,28 unequal: No Solution Moving to Node #0,0,4 Current State: 28:[7, 32], Operations: ['12-6=6', '26+6=32'] Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,28 unequal: No Solution Exploring Operation: 7*32=224, Resulting Numbers: [224] 224,28 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,28 unequal: No Solution Moving to Node #0,4,2 Current State: 28:[6, 31], Operations: ['12-7=5', '26+5=31'] Exploring Operation: 6+31=37, Resulting Numbers: [37] 37,28 unequal: No Solution Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,28 unequal: No Solution Exploring Operation: 6*31=186, Resulting Numbers: [186] 186,28 unequal: No Solution Moving to Node #0,4,1 Current State: 28:[26, 11], Operations: ['12-7=5', '6+5=11'] Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,28 unequal: No Solution Exploring Operation: 26*11=286, Resulting Numbers: [286] 286,28 unequal: No Solution Exploring Operation: 26+11=37, Resulting Numbers: [37] 37,28 unequal: No Solution Moving to Node #0,4,4 Current State: 28:[5, 32], Operations: ['12-7=5', '26+6=32'] Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,28 unequal: No Solution Exploring Operation: 5*32=160, Resulting Numbers: [160] 160,28 unequal: No Solution Exploring Operation: 5+32=37, Resulting Numbers: [37] 37,28 unequal: No Solution Moving to Node #0,0,3 Current State: 28:[6, 33], Operations: ['12-6=6', '26+7=33'] Exploring Operation: 6*33=198, Resulting Numbers: [198] 198,28 unequal: No Solution Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,28 unequal: No Solution Exploring Operation: 6+33=39, Resulting Numbers: [39] 39,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[6, 19], Operations: ['12-6=6', '26-7=19'] Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,28 unequal: No Solution Exploring Operation: 6*19=114, Resulting Numbers: [114] 114,28 unequal: No Solution Exploring Operation: 6+19=25, Resulting Numbers: [25] 25,28 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 18, 21, 10, 11 ]
49
[ "18-11=7", "10*7=70", "70-21=49" ]
Current State: 49:[18, 21, 10, 11], Operations: [] Exploring Operation: 18-11=7, Resulting Numbers: [21, 10, 7] Generated Node #2: [21, 10, 7] from Operation: 18-11=7 Current State: 49:[21, 10, 7], Operations: ['18-11=7'] Exploring Operation: 10*7=70, Resulting Numbers: [21, 70] Generated Node #3: [21, 70] from Operation: 10*7=70 Current State: 49:[21, 70], Operations: ['18-11=7', '10*7=70'] Exploring Operation: 70-21=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[18, 21, 10, 11], Operations: [] Exploring Operation: 21-18=3, Resulting Numbers: [10, 11, 3] Generated Node #0,0: 49:[10, 11, 3] Operation: 21-18=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[10, 11, 3], Operations: ['21-18=3'] Exploring Operation: 10-3=7, Resulting Numbers: [11, 7] Generated Node #0,0,0: 49:[11, 7] Operation: 10-3=7 Moving to Node #0,0,0 Current State: 49:[11, 7], Operations: ['21-18=3', '10-3=7'] Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,49 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
[ 11, 44, 84, 72 ]
93
[ "44/11=4", "84/4=21", "72+21=93" ]
Current State: 93:[11, 44, 84, 72], Operations: [] Exploring Operation: 44/11=4, Resulting Numbers: [84, 72, 4] Generated Node #2: [84, 72, 4] from Operation: 44/11=4 Current State: 93:[84, 72, 4], Operations: ['44/11=4'] Exploring Operation: 84/4=21, Resulting Numbers: [72, 21] Generated Node #3: [72, 21] from Operation: 84/4=21 Current State: 93:[72, 21], Operations: ['44/11=4', '84/4=21'] Exploring Operation: 72+21=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[11, 44, 84, 72], Operations: [] Exploring Operation: 84-72=12, Resulting Numbers: [11, 44, 12] Generated Node #0,0: 93:[11, 44, 12] Operation: 84-72=12 Exploring Operation: 72-44=28, Resulting Numbers: [11, 84, 28] Generated Node #0,1: 93:[11, 84, 28] Operation: 72-44=28 Moving to Node #0,1 Current State: 93:[11, 84, 28], Operations: ['72-44=28'] Exploring Operation: 84/28=3, Resulting Numbers: [11, 3] Generated Node #0,1,0: 93:[11, 3] Operation: 84/28=3 Exploring Operation: 11+84=95, Resulting Numbers: [28, 95] Generated Node #0,1,1: 93:[28, 95] Operation: 11+84=95 Moving to Node #0,0 Current State: 93:[11, 44, 12], Operations: ['84-72=12'] Exploring Operation: 44/11=4, Resulting Numbers: [12, 4] Generated Node #0,0,0: 93:[12, 4] Operation: 44/11=4 Exploring Operation: 44-12=32, Resulting Numbers: [11, 32] Generated Node #0,0,1: 93:[11, 32] Operation: 44-12=32 Moving to Node #0,1,1 Current State: 93:[28, 95], Operations: ['72-44=28', '11+84=95'] Exploring Operation: 95-28=67, Resulting Numbers: [67] 67,93 unequal: No Solution Exploring Operation: 28+95=123, Resulting Numbers: [123] 123,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[11, 3], Operations: ['72-44=28', '84/28=3'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,93 unequal: No Solution Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[11, 32], Operations: ['84-72=12', '44-12=32'] Exploring Operation: 11+32=43, Resulting Numbers: [43] 43,93 unequal: No Solution Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[12, 4], Operations: ['84-72=12', '44/11=4'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,93 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,93 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 5, 3, 30, 96 ]
82
[ "5*30=150", "96+150=246", "246/3=82" ]
Current State: 82:[5, 3, 30, 96], Operations: [] Exploring Operation: 5*30=150, Resulting Numbers: [3, 96, 150] Generated Node #2: [3, 96, 150] from Operation: 5*30=150 Current State: 82:[3, 96, 150], Operations: ['5*30=150'] Exploring Operation: 96+150=246, Resulting Numbers: [3, 246] Generated Node #3: [3, 246] from Operation: 96+150=246 Current State: 82:[3, 246], Operations: ['5*30=150', '96+150=246'] Exploring Operation: 246/3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[5, 3, 30, 96], Operations: [] Exploring Operation: 30/5=6, Resulting Numbers: [3, 96, 6] Generated Node #0,0: 82:[3, 96, 6] Operation: 30/5=6 Exploring Operation: 5+30=35, Resulting Numbers: [3, 96, 35] Generated Node #0,1: 82:[3, 96, 35] Operation: 5+30=35 Exploring Operation: 96-30=66, Resulting Numbers: [5, 3, 66] Generated Node #0,2: 82:[5, 3, 66] Operation: 96-30=66 Exploring Operation: 96-5=91, Resulting Numbers: [3, 30, 91] Generated Node #0,3: 82:[3, 30, 91] Operation: 96-5=91 Moving to Node #0,0 Current State: 82:[3, 96, 6], Operations: ['30/5=6'] Exploring Operation: 6/3=2, Resulting Numbers: [96, 2] Generated Node #0,0,0: 82:[96, 2] Operation: 6/3=2 Exploring Operation: 96/3=32, Resulting Numbers: [6, 32] Generated Node #0,0,1: 82:[6, 32] Operation: 96/3=32 Exploring Operation: 96-6=90, Resulting Numbers: [3, 90] Generated Node #0,0,2: 82:[3, 90] Operation: 96-6=90 Exploring Operation: 96-3=93, Resulting Numbers: [6, 93] Generated Node #0,0,3: 82:[6, 93] Operation: 96-3=93 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 82:[3, 90], Operations: ['30/5=6', '96-6=90'] Exploring Operation: 3+90=93, Resulting Numbers: [93] 93,82 unequal: No Solution Exploring Operation: 3*90=270, Resulting Numbers: [270] 270,82 unequal: No Solution Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,82 unequal: No Solution Exploring Operation: 90/3=30, Resulting Numbers: [30] 30,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 82:[6, 32], Operations: ['30/5=6', '96/3=32'] Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,82 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,82 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[96, 2], Operations: ['30/5=6', '6/3=2'] Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,82 unequal: No Solution Exploring Operation: 96/2=48, Resulting Numbers: [48] 48,82 unequal: No Solution Exploring Operation: 96*2=192, Resulting Numbers: [192] 192,82 unequal: No Solution Exploring Operation: 96+2=98, Resulting Numbers: [98] 98,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 82:[6, 93], Operations: ['30/5=6', '96-3=93'] Exploring Operation: 93-6=87, Resulting Numbers: [87] 87,82 unequal: No Solution Exploring Operation: 6*93=558, Resulting Numbers: [558] 558,82 unequal: No Solution Exploring Operation: 6+93=99, Resulting Numbers: [99] 99,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 82:[5, 3, 66], Operations: ['96-30=66'] Exploring Operation: 66-5=61, Resulting Numbers: [3, 61] Generated Node #0,2,0: 82:[3, 61] Operation: 66-5=61 Exploring Operation: 5+66=71, Resulting Numbers: [3, 71] Generated Node #0,2,1: 82:[3, 71] Operation: 5+66=71 Exploring Operation: 3+66=69, Resulting Numbers: [5, 69] Generated Node #0,2,2: 82:[5, 69] Operation: 3+66=69 Exploring Operation: 5-3=2, Resulting Numbers: [66, 2] Generated Node #0,2,3: 82:[66, 2] Operation: 5-3=2 Moving to Node #0,3 Current State: 82:[3, 30, 91], Operations: ['96-5=91'] Exploring Operation: 3+30=33, Resulting Numbers: [91, 33] Generated Node #0,3,0: 82:[91, 33] Operation: 3+30=33 Exploring Operation: 30/3=10, Resulting Numbers: [91, 10] Generated Node #0,3,1: 82:[91, 10] Operation: 30/3=10 Exploring Operation: 3*30=90, Resulting Numbers: [91, 90] Generated Node #0,3,2: 82:[91, 90] Operation: 3*30=90 Exploring Operation: 91-3=88, Resulting Numbers: [30, 88] Generated Node #0,3,3: 82:[30, 88] Operation: 91-3=88 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 82:[91, 33], Operations: ['96-5=91', '3+30=33'] Exploring Operation: 91-33=58, Resulting Numbers: [58] 58,82 unequal: No Solution Exploring Operation: 91+33=124, Resulting Numbers: [124] 124,82 unequal: No Solution Exploring Operation: 91*33=3003, Resulting Numbers: [3003] 3003,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 82:[91, 10], Operations: ['96-5=91', '30/3=10'] Exploring Operation: 91*10=910, Resulting Numbers: [910] 910,82 unequal: No Solution Exploring Operation: 91-10=81, Resulting Numbers: [81] 81,82 unequal: No Solution Exploring Operation: 91+10=101, Resulting Numbers: [101] 101,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 82:[91, 90], Operations: ['96-5=91', '3*30=90'] Exploring Operation: 91-90=1, Resulting Numbers: [1] 1,82 unequal: No Solution Exploring Operation: 91+90=181, Resulting Numbers: [181] 181,82 unequal: No Solution Exploring Operation: 91*90=8190, Resulting Numbers: [8190] 8190,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 82:[30, 88], Operations: ['96-5=91', '91-3=88'] Exploring Operation: 30*88=2640, Resulting Numbers: [2640] 2640,82 unequal: No Solution Exploring Operation: 30+88=118, Resulting Numbers: [118] 118,82 unequal: No Solution Exploring Operation: 88-30=58, Resulting Numbers: [58] 58,82 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: 82:[3, 96, 35], Operations: ['5+30=35'] Exploring Operation: 96-3=93, Resulting Numbers: [35, 93] Generated Node #0,1,0: 82:[35, 93] Operation: 96-3=93 Exploring Operation: 96/3=32, Resulting Numbers: [35, 32] Generated Node #0,1,1: 82:[35, 32] Operation: 96/3=32 Exploring Operation: 96-35=61, Resulting Numbers: [3, 61] Generated Node #0,1,2: 82:[3, 61] Operation: 96-35=61 Exploring Operation: 3+35=38, Resulting Numbers: [96, 38] Generated Node #0,1,3: 82:[96, 38] Operation: 3+35=38 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 82:[35, 32], Operations: ['5+30=35', '96/3=32'] Exploring Operation: 35*32=1120, Resulting Numbers: [1120] 1120,82 unequal: No Solution Exploring Operation: 35+32=67, Resulting Numbers: [67] 67,82 unequal: No Solution Exploring Operation: 35-32=3, Resulting Numbers: [3] 3,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 82:[35, 93], Operations: ['5+30=35', '96-3=93'] Exploring Operation: 35+93=128, Resulting Numbers: [128] 128,82 unequal: No Solution Exploring Operation: 35*93=3255, Resulting Numbers: [3255] 3255,82 unequal: No Solution Exploring Operation: 93-35=58, Resulting Numbers: [58] 58,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 82:[96, 38], Operations: ['5+30=35', '3+35=38'] Exploring Operation: 96*38=3648, Resulting Numbers: [3648] 3648,82 unequal: No Solution Exploring Operation: 96+38=134, Resulting Numbers: [134] 134,82 unequal: No Solution Exploring Operation: 96-38=58, Resulting Numbers: [58] 58,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 82:[3, 61], Operations: ['5+30=35', '96-35=61'] Exploring Operation: 3+61=64, Resulting Numbers: [64] 64,82 unequal: No Solution Exploring Operation: 3*61=183, Resulting Numbers: [183] 183,82 unequal: No Solution Exploring Operation: 61-3=58, Resulting Numbers: [58] 58,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 82:[3, 71], Operations: ['96-30=66', '5+66=71'] Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,82 unequal: No Solution Exploring Operation: 3+71=74, Resulting Numbers: [74] 74,82 unequal: No Solution Exploring Operation: 3*71=213, Resulting Numbers: [213] 213,82 unequal: No Solution Moving to Node #0,2,3 Current State: 82:[66, 2], Operations: ['96-30=66', '5-3=2'] Exploring Operation: 66*2=132, Resulting Numbers: [132] 132,82 unequal: No Solution Exploring Operation: 66+2=68, Resulting Numbers: [68] 68,82 unequal: No Solution Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,82 unequal: No Solution Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,82 unequal: No Solution Moving to Node #0,2,2 Current State: 82:[5, 69], Operations: ['96-30=66', '3+66=69'] Exploring Operation: 5+69=74, Resulting Numbers: [74] 74,82 unequal: No Solution Exploring Operation: 5*69=345, Resulting Numbers: [345] 345,82 unequal: No Solution Exploring Operation: 69-5=64, Resulting Numbers: [64] 64,82 unequal: No Solution Moving to Node #0,2,0 Current State: 82:[3, 61], Operations: ['96-30=66', '66-5=61'] Exploring Operation: 3*61=183, Resulting Numbers: [183] 183,82 unequal: No Solution Exploring Operation: 3+61=64, Resulting Numbers: [64] 64,82 unequal: No Solution Exploring Operation: 61-3=58, Resulting Numbers: [58] 58,82 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 14, 68, 2, 96 ]
68
[ "14+68=82", "2*82=164", "164-96=68" ]
Current State: 68:[14, 68, 2, 96], Operations: [] Exploring Operation: 14+68=82, Resulting Numbers: [2, 96, 82] Generated Node #2: [2, 96, 82] from Operation: 14+68=82 Current State: 68:[2, 96, 82], Operations: ['14+68=82'] Exploring Operation: 2*82=164, Resulting Numbers: [96, 164] Generated Node #3: [96, 164] from Operation: 2*82=164 Current State: 68:[96, 164], Operations: ['14+68=82', '2*82=164'] Exploring Operation: 164-96=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[14, 68, 2, 96], Operations: [] Exploring Operation: 96-68=28, Resulting Numbers: [14, 2, 28] Generated Node #0,0: 68:[14, 2, 28] Operation: 96-68=28 Exploring Operation: 96-14=82, Resulting Numbers: [68, 2, 82] Generated Node #0,1: 68:[68, 2, 82] Operation: 96-14=82 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[14, 2, 28], Operations: ['96-68=28'] Exploring Operation: 28-14=14, Resulting Numbers: [2, 14] Generated Node #0,0,0: 68:[2, 14] Operation: 28-14=14 Exploring Operation: 28/14=2, Resulting Numbers: [2, 2] Generated Node #0,0,1: 68:[2, 2] Operation: 28/14=2 Moving to Node #0,0,1 Current State: 68:[2, 2], Operations: ['96-68=28', '28/14=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,68 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[2, 14], Operations: ['96-68=28', '28-14=14'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,68 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,68 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:[68, 2, 82], Operations: ['96-14=82'] Exploring Operation: 82-68=14, Resulting Numbers: [2, 14] Generated Node #0,1,0: 68:[2, 14] Operation: 82-68=14 Exploring Operation: 82/2=41, Resulting Numbers: [68, 41] Generated Node #0,1,1: 68:[68, 41] Operation: 82/2=41 Moving to Node #0,1,0 Current State: 68:[2, 14], Operations: ['96-14=82', '82-68=14'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,68 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[68, 41], Operations: ['96-14=82', '82/2=41'] Exploring Operation: 68-41=27, Resulting Numbers: [27] 27,68 unequal: No Solution Exploring Operation: 68+41=109, Resulting Numbers: [109] 109,68 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
[ 66, 25, 41, 16 ]
39
[ "66-16=50", "50/25=2", "41-2=39" ]
Current State: 39:[66, 25, 41, 16], Operations: [] Exploring Operation: 66-16=50, Resulting Numbers: [25, 41, 50] Generated Node #2: [25, 41, 50] from Operation: 66-16=50 Current State: 39:[25, 41, 50], Operations: ['66-16=50'] Exploring Operation: 50/25=2, Resulting Numbers: [41, 2] Generated Node #3: [41, 2] from Operation: 50/25=2 Current State: 39:[41, 2], Operations: ['66-16=50', '50/25=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[66, 25, 41, 16], Operations: [] Exploring Operation: 41-25=16, Resulting Numbers: [66, 16, 16] Generated Node #0,0: 39:[66, 16, 16] Operation: 41-25=16 Exploring Operation: 66-16=50, Resulting Numbers: [25, 41, 50] Generated Node #0,1: 39:[25, 41, 50] Operation: 66-16=50 Exploring Operation: 66-41=25, Resulting Numbers: [25, 16, 25] Generated Node #0,2: 39:[25, 16, 25] Operation: 66-41=25 Exploring Operation: 66-25=41, Resulting Numbers: [41, 16, 41] Generated Node #0,3: 39:[41, 16, 41] Operation: 66-25=41 Exploring Operation: 25+16=41, Resulting Numbers: [66, 41, 41] Generated Node #0,4: 39:[66, 41, 41] Operation: 25+16=41 Start Sub Search at level 1: Moving to Node #0,3 Current State: 39:[41, 16, 41], Operations: ['66-25=41'] Exploring Operation: 41+16=57, Resulting Numbers: [41, 57] Generated Node #0,3,0: 39:[41, 57] Operation: 41+16=57 Exploring Operation: 41/41=1, Resulting Numbers: [16, 1] Generated Node #0,3,1: 39:[16, 1] Operation: 41/41=1 Exploring Operation: 41-41=0, Resulting Numbers: [16, 0] Generated Node #0,3,2: 39:[16, 0] Operation: 41-41=0 Exploring Operation: 41-16=25, Resulting Numbers: [41, 25] Generated Node #0,3,3: 39:[41, 25] Operation: 41-16=25 Exploring Operation: 41-16=25, Resulting Numbers: [41, 25] Generated Node #0,3,4: 39:[41, 25] Operation: 41-16=25 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 39:[16, 1], Operations: ['66-25=41', '41/41=1'] Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,39 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 39:[16, 0], Operations: ['66-25=41', '41-41=0'] Exploring Operation: 16+0=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 16-0=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 16*0=0, Resulting Numbers: [0] 0,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 39:[41, 25], Operations: ['66-25=41', '41-16=25'] Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,39 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 39:[41, 25], Operations: ['66-25=41', '41-16=25'] Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,39 unequal: No Solution Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,39 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 39:[41, 57], Operations: ['66-25=41', '41+16=57'] Exploring Operation: 57-41=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 41*57=2337, Resulting Numbers: [2337] 2337,39 unequal: No Solution Exploring Operation: 41+57=98, Resulting Numbers: [98] 98,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[25, 41, 50], Operations: ['66-16=50'] Exploring Operation: 25+41=66, Resulting Numbers: [50, 66] Generated Node #0,1,0: 39:[50, 66] Operation: 25+41=66 Exploring Operation: 50-25=25, Resulting Numbers: [41, 25] Generated Node #0,1,1: 39:[41, 25] Operation: 50-25=25 Exploring Operation: 50-41=9, Resulting Numbers: [25, 9] Generated Node #0,1,2: 39:[25, 9] Operation: 50-41=9 Exploring Operation: 41-25=16, Resulting Numbers: [50, 16] Generated Node #0,1,3: 39:[50, 16] Operation: 41-25=16 Exploring Operation: 50/25=2, Resulting Numbers: [41, 2] Generated Node #0,1,4: 39:[41, 2] Operation: 50/25=2 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 39:[41, 2], Operations: ['66-16=50', '50/25=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[66, 25, 41, 16], Operations: [] Exploring Operation: 66-16=50, Resulting Numbers: [25, 41, 50] Generated Node #0,1: 39:[25, 41, 50] Operation: 66-16=50 Moving to Node #0,1 Current State: 39:[25, 41, 50], Operations: ['66-16=50'] Exploring Operation: 50/25=2, Resulting Numbers: [41, 2] Generated Node #0,1,4: 39:[41, 2] Operation: 50/25=2 Moving to Node #0,1,4 Current State: 39:[41, 2], Operations: ['66-16=50', '50/25=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96875
hs_5
sum_heuristic
[ 24, 16, 56, 46 ]
70
[ "46-16=30", "56*30=1680", "1680/24=70" ]
Current State: 70:[24, 16, 56, 46], Operations: [] Exploring Operation: 46-16=30, Resulting Numbers: [24, 56, 30] Generated Node #2: [24, 56, 30] from Operation: 46-16=30 Current State: 70:[24, 56, 30], Operations: ['46-16=30'] Exploring Operation: 56*30=1680, Resulting Numbers: [24, 1680] Generated Node #3: [24, 1680] from Operation: 56*30=1680 Current State: 70:[24, 1680], Operations: ['46-16=30', '56*30=1680'] Exploring Operation: 1680/24=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[24, 16, 56, 46], Operations: [] Exploring Operation: 56-24=32, Resulting Numbers: [16, 46, 32] Generated Node #0,0: 70:[16, 46, 32] Operation: 56-24=32 Exploring Operation: 24+46=70, Resulting Numbers: [16, 56, 70] Generated Node #0,1: 70:[16, 56, 70] Operation: 24+46=70 Exploring Operation: 16+56=72, Resulting Numbers: [24, 46, 72] Generated Node #0,2: 70:[24, 46, 72] Operation: 16+56=72 Exploring Operation: 24+56=80, Resulting Numbers: [16, 46, 80] Generated Node #0,3: 70:[16, 46, 80] Operation: 24+56=80 Exploring Operation: 56-46=10, Resulting Numbers: [24, 16, 10] Generated Node #0,4: 70:[24, 16, 10] Operation: 56-46=10 Start Sub Search at level 1: Moving to Node #0,4 Current State: 70:[24, 16, 10], Operations: ['56-46=10'] Exploring Operation: 24-16=8, Resulting Numbers: [10, 8] Generated Node #0,4,0: 70:[10, 8] Operation: 24-16=8 Exploring Operation: 24-10=14, Resulting Numbers: [16, 14] Generated Node #0,4,1: 70:[16, 14] Operation: 24-10=14 Exploring Operation: 16-10=6, Resulting Numbers: [24, 6] Generated Node #0,4,2: 70:[24, 6] Operation: 16-10=6 Exploring Operation: 24+10=34, Resulting Numbers: [16, 34] Generated Node #0,4,3: 70:[16, 34] Operation: 24+10=34 Exploring Operation: 24+16=40, Resulting Numbers: [10, 40] Generated Node #0,4,4: 70:[10, 40] Operation: 24+16=40 Moving to Node #0,4,0 Current State: 70:[10, 8], Operations: ['56-46=10', '24-16=8'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,70 unequal: No Solution Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,70 unequal: No Solution Moving to Node #0,4,1 Current State: 70:[16, 14], Operations: ['56-46=10', '24-10=14'] Exploring Operation: 16+14=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 16*14=224, Resulting Numbers: [224] 224,70 unequal: No Solution Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,70 unequal: No Solution Moving to Node #0,4,3 Current State: 70:[16, 34], Operations: ['56-46=10', '24+10=34'] Exploring Operation: 16+34=50, Resulting Numbers: [50] 50,70 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,70 unequal: No Solution Exploring Operation: 16*34=544, Resulting Numbers: [544] 544,70 unequal: No Solution Moving to Node #0,4,4 Current State: 70:[10, 40], Operations: ['56-46=10', '24+16=40'] Exploring Operation: 10*40=400, Resulting Numbers: [400] 400,70 unequal: No Solution Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 40/10=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 10+40=50, Resulting Numbers: [50] 50,70 unequal: No Solution Moving to Node #0,4,2 Current State: 70:[24, 6], Operations: ['56-46=10', '16-10=6'] Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 24*6=144, Resulting Numbers: [144] 144,70 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[16, 46, 32], Operations: ['56-24=32'] Exploring Operation: 32/16=2, Resulting Numbers: [46, 2] Generated Node #0,0,0: 70:[46, 2] Operation: 32/16=2 Exploring Operation: 46-16=30, Resulting Numbers: [32, 30] Generated Node #0,0,1: 70:[32, 30] Operation: 46-16=30 Exploring Operation: 46+32=78, Resulting Numbers: [16, 78] Generated Node #0,0,2: 70:[16, 78] Operation: 46+32=78 Exploring Operation: 16+46=62, Resulting Numbers: [32, 62] Generated Node #0,0,3: 70:[32, 62] Operation: 16+46=62 Exploring Operation: 46-32=14, Resulting Numbers: [16, 14] Generated Node #0,0,4: 70:[16, 14] Operation: 46-32=14 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 70:[16, 14], Operations: ['56-24=32', '46-32=14'] Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 16+14=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 16*14=224, Resulting Numbers: [224] 224,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 70:[32, 30], Operations: ['56-24=32', '46-16=30'] Exploring Operation: 32*30=960, Resulting Numbers: [960] 960,70 unequal: No Solution Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,70 unequal: No Solution Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 70:[16, 78], Operations: ['56-24=32', '46+32=78'] Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,70 unequal: No Solution Exploring Operation: 16+78=94, Resulting Numbers: [94] 94,70 unequal: No Solution Exploring Operation: 16*78=1248, Resulting Numbers: [1248] 1248,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 70:[46, 2], Operations: ['56-24=32', '32/16=2'] Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,70 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,70 unequal: No Solution Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 70:[32, 62], Operations: ['56-24=32', '16+46=62'] Exploring Operation: 32*62=1984, Resulting Numbers: [1984] 1984,70 unequal: No Solution Exploring Operation: 32+62=94, Resulting Numbers: [94] 94,70 unequal: No Solution Exploring Operation: 62-32=30, Resulting Numbers: [30] 30,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[16, 56, 70], Operations: ['24+46=70'] Exploring Operation: 70-56=14, Resulting Numbers: [16, 14] Generated Node #0,1,0: 70:[16, 14] Operation: 70-56=14 Exploring Operation: 16+70=86, Resulting Numbers: [56, 86] Generated Node #0,1,1: 70:[56, 86] Operation: 16+70=86 Exploring Operation: 56-16=40, Resulting Numbers: [70, 40] Generated Node #0,1,2: 70:[70, 40] Operation: 56-16=40 Exploring Operation: 70-16=54, Resulting Numbers: [56, 54] Generated Node #0,1,3: 70:[56, 54] Operation: 70-16=54 Exploring Operation: 16+56=72, Resulting Numbers: [70, 72] Generated Node #0,1,4: 70:[70, 72] Operation: 16+56=72 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 70:[16, 14], Operations: ['24+46=70', '70-56=14'] Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 16+14=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 16*14=224, Resulting Numbers: [224] 224,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 70:[70, 72], Operations: ['24+46=70', '16+56=72'] Exploring Operation: 72-70=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 70+72=142, Resulting Numbers: [142] 142,70 unequal: No Solution Exploring Operation: 70*72=5040, Resulting Numbers: [5040] 5040,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 70:[70, 40], Operations: ['24+46=70', '56-16=40'] Exploring Operation: 70*40=2800, Resulting Numbers: [2800] 2800,70 unequal: No Solution Exploring Operation: 70+40=110, Resulting Numbers: [110] 110,70 unequal: No Solution Exploring Operation: 70-40=30, Resulting Numbers: [30] 30,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 70:[56, 86], Operations: ['24+46=70', '16+70=86'] Exploring Operation: 86-56=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 56+86=142, Resulting Numbers: [142] 142,70 unequal: No Solution Exploring Operation: 56*86=4816, Resulting Numbers: [4816] 4816,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 70:[56, 54], Operations: ['24+46=70', '70-16=54'] Exploring Operation: 56+54=110, Resulting Numbers: [110] 110,70 unequal: No Solution Exploring Operation: 56*54=3024, Resulting Numbers: [3024] 3024,70 unequal: No Solution Exploring Operation: 56-54=2, Resulting Numbers: [2] 2,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 70:[24, 46, 72], Operations: ['16+56=72'] Exploring Operation: 72-46=26, Resulting Numbers: [24, 26] Generated Node #0,2,0: 70:[24, 26] Operation: 72-46=26 Exploring Operation: 46-24=22, Resulting Numbers: [72, 22] Generated Node #0,2,1: 70:[72, 22] Operation: 46-24=22 Exploring Operation: 72/24=3, Resulting Numbers: [46, 3] Generated Node #0,2,2: 70:[46, 3] Operation: 72/24=3 Exploring Operation: 24+46=70, Resulting Numbers: [72, 70] Generated Node #0,2,3: 70:[72, 70] Operation: 24+46=70 Exploring Operation: 72-24=48, Resulting Numbers: [46, 48] Generated Node #0,2,4: 70:[46, 48] Operation: 72-24=48 Moving to Node #0,2,3 Current State: 70:[72, 70], Operations: ['16+56=72', '24+46=70'] Exploring Operation: 72-70=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 72*70=5040, Resulting Numbers: [5040] 5040,70 unequal: No Solution Exploring Operation: 72+70=142, Resulting Numbers: [142] 142,70 unequal: No Solution Moving to Node #0,2,1 Current State: 70:[72, 22], Operations: ['16+56=72', '46-24=22'] Exploring Operation: 72*22=1584, Resulting Numbers: [1584] 1584,70 unequal: No Solution Exploring Operation: 72-22=50, Resulting Numbers: [50] 50,70 unequal: No Solution Exploring Operation: 72+22=94, Resulting Numbers: [94] 94,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[46, 3], Operations: ['16+56=72', '72/24=3'] Exploring Operation: 46+3=49, Resulting Numbers: [49] 49,70 unequal: No Solution Exploring Operation: 46*3=138, Resulting Numbers: [138] 138,70 unequal: No Solution Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,70 unequal: No Solution Moving to Node #0,2,0 Current State: 70:[24, 26], Operations: ['16+56=72', '72-46=26'] Exploring Operation: 24*26=624, Resulting Numbers: [624] 624,70 unequal: No Solution Exploring Operation: 24+26=50, Resulting Numbers: [50] 50,70 unequal: No Solution Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,70 unequal: No Solution Moving to Node #0,2,4 Current State: 70:[46, 48], Operations: ['16+56=72', '72-24=48'] Exploring Operation: 48-46=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 46*48=2208, Resulting Numbers: [2208] 2208,70 unequal: No Solution Exploring Operation: 46+48=94, Resulting Numbers: [94] 94,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 70:[16, 46, 80], Operations: ['24+56=80'] Exploring Operation: 80-46=34, Resulting Numbers: [16, 34] Generated Node #0,3,0: 70:[16, 34] Operation: 80-46=34 Exploring Operation: 46-16=30, Resulting Numbers: [80, 30] Generated Node #0,3,1: 70:[80, 30] Operation: 46-16=30 Exploring Operation: 16+46=62, Resulting Numbers: [80, 62] Generated Node #0,3,2: 70:[80, 62] Operation: 16+46=62 Exploring Operation: 80/16=5, Resulting Numbers: [46, 5] Generated Node #0,3,3: 70:[46, 5] Operation: 80/16=5 Exploring Operation: 80-16=64, Resulting Numbers: [46, 64] Generated Node #0,3,4: 70:[46, 64] Operation: 80-16=64 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 70:[16, 34], Operations: ['24+56=80', '80-46=34'] Exploring Operation: 16+34=50, Resulting Numbers: [50] 50,70 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,70 unequal: No Solution Exploring Operation: 16*34=544, Resulting Numbers: [544] 544,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 70:[46, 5], Operations: ['24+56=80', '80/16=5'] Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,70 unequal: No Solution Exploring Operation: 46*5=230, Resulting Numbers: [230] 230,70 unequal: No Solution Exploring Operation: 46+5=51, Resulting Numbers: [51] 51,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 70:[80, 30], Operations: ['24+56=80', '46-16=30'] Exploring Operation: 80*30=2400, Resulting Numbers: [2400] 2400,70 unequal: No Solution Exploring Operation: 80+30=110, Resulting Numbers: [110] 110,70 unequal: No Solution Exploring Operation: 80-30=50, Resulting Numbers: [50] 50,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 70:[46, 64], Operations: ['24+56=80', '80-16=64'] Exploring Operation: 46*64=2944, Resulting Numbers: [2944] 2944,70 unequal: No Solution Exploring Operation: 64-46=18, Resulting Numbers: [18] 18,70 unequal: No Solution Exploring Operation: 46+64=110, Resulting Numbers: [110] 110,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 70:[80, 62], Operations: ['24+56=80', '16+46=62'] Exploring Operation: 80+62=142, Resulting Numbers: [142] 142,70 unequal: No Solution Exploring Operation: 80-62=18, Resulting Numbers: [18] 18,70 unequal: No Solution Exploring Operation: 80*62=4960, Resulting Numbers: [4960] 4960,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 10, 16, 46, 39 ]
59
[ "10+16=26", "46+39=85", "85-26=59" ]
Current State: 59:[10, 16, 46, 39], Operations: [] Exploring Operation: 10+16=26, Resulting Numbers: [46, 39, 26] Generated Node #2: [46, 39, 26] from Operation: 10+16=26 Current State: 59:[46, 39, 26], Operations: ['10+16=26'] Exploring Operation: 46+39=85, Resulting Numbers: [26, 85] Generated Node #3: [26, 85] from Operation: 46+39=85 Current State: 59:[26, 85], Operations: ['10+16=26', '46+39=85'] Exploring Operation: 85-26=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[10, 16, 46, 39], Operations: [] Exploring Operation: 10+16=26, Resulting Numbers: [46, 39, 26] Generated Node #0,0: 59:[46, 39, 26] Operation: 10+16=26 Moving to Node #0,0 Current State: 59:[46, 39, 26], Operations: ['10+16=26'] Exploring Operation: 39+26=65, Resulting Numbers: [46, 65] Generated Node #0,0,0: 59:[46, 65] Operation: 39+26=65 Moving to Node #0,0,0 Current State: 59:[46, 65], Operations: ['10+16=26', '39+26=65'] Exploring Operation: 65-46=19, Resulting Numbers: [19] 19,59 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 97, 49, 12, 55 ]
51
[ "97-49=48", "48/12=4", "55-4=51" ]
Current State: 51:[97, 49, 12, 55], Operations: [] Exploring Operation: 97-49=48, Resulting Numbers: [12, 55, 48] Generated Node #2: [12, 55, 48] from Operation: 97-49=48 Current State: 51:[12, 55, 48], Operations: ['97-49=48'] Exploring Operation: 48/12=4, Resulting Numbers: [55, 4] Generated Node #3: [55, 4] from Operation: 48/12=4 Current State: 51:[55, 4], Operations: ['97-49=48', '48/12=4'] Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[97, 49, 12, 55], Operations: [] Exploring Operation: 97-49=48, Resulting Numbers: [12, 55, 48] Generated Node #0,0: 51:[12, 55, 48] Operation: 97-49=48 Exploring Operation: 97-55=42, Resulting Numbers: [49, 12, 42] Generated Node #0,1: 51:[49, 12, 42] Operation: 97-55=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[12, 55, 48], Operations: ['97-49=48'] Exploring Operation: 55-48=7, Resulting Numbers: [12, 7] Generated Node #0,0,0: 51:[12, 7] Operation: 55-48=7 Exploring Operation: 48/12=4, Resulting Numbers: [55, 4] Generated Node #0,0,1: 51:[55, 4] Operation: 48/12=4 Moving to Node #0,0,1 Current State: 51:[55, 4], Operations: ['97-49=48', '48/12=4'] Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[97, 49, 12, 55], Operations: [] Exploring Operation: 97-49=48, Resulting Numbers: [12, 55, 48] Generated Node #0,0: 51:[12, 55, 48] Operation: 97-49=48 Moving to Node #0,0 Current State: 51:[12, 55, 48], Operations: ['97-49=48'] Exploring Operation: 48/12=4, Resulting Numbers: [55, 4] Generated Node #0,0,1: 51:[55, 4] Operation: 48/12=4 Moving to Node #0,0,1 Current State: 51:[55, 4], Operations: ['97-49=48', '48/12=4'] Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 48, 35, 21, 24 ]
88
[ "35*24=840", "840/21=40", "48+40=88" ]
Current State: 88:[48, 35, 21, 24], Operations: [] Exploring Operation: 35*24=840, Resulting Numbers: [48, 21, 840] Generated Node #2: [48, 21, 840] from Operation: 35*24=840 Current State: 88:[48, 21, 840], Operations: ['35*24=840'] Exploring Operation: 840/21=40, Resulting Numbers: [48, 40] Generated Node #3: [48, 40] from Operation: 840/21=40 Current State: 88:[48, 40], Operations: ['35*24=840', '840/21=40'] Exploring Operation: 48+40=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[48, 35, 21, 24], Operations: [] Exploring Operation: 35-21=14, Resulting Numbers: [48, 24, 14] Generated Node #0,0: 88:[48, 24, 14] Operation: 35-21=14 Exploring Operation: 48+35=83, Resulting Numbers: [21, 24, 83] Generated Node #0,1: 88:[21, 24, 83] Operation: 48+35=83 Exploring Operation: 35-24=11, Resulting Numbers: [48, 21, 11] Generated Node #0,2: 88:[48, 21, 11] Operation: 35-24=11 Exploring Operation: 48-35=13, Resulting Numbers: [21, 24, 13] Generated Node #0,3: 88:[21, 24, 13] Operation: 48-35=13 Moving to Node #0,2 Current State: 88:[48, 21, 11], Operations: ['35-24=11'] Exploring Operation: 48-21=27, Resulting Numbers: [11, 27] Generated Node #0,2,0: 88:[11, 27] Operation: 48-21=27 Exploring Operation: 48-11=37, Resulting Numbers: [21, 37] Generated Node #0,2,1: 88:[21, 37] Operation: 48-11=37 Exploring Operation: 21+11=32, Resulting Numbers: [48, 32] Generated Node #0,2,2: 88:[48, 32] Operation: 21+11=32 Exploring Operation: 21-11=10, Resulting Numbers: [48, 10] Generated Node #0,2,3: 88:[48, 10] Operation: 21-11=10 Moving to Node #0,3 Current State: 88:[21, 24, 13], Operations: ['48-35=13'] Exploring Operation: 21-13=8, Resulting Numbers: [24, 8] Generated Node #0,3,0: 88:[24, 8] Operation: 21-13=8 Exploring Operation: 21+24=45, Resulting Numbers: [13, 45] Generated Node #0,3,1: 88:[13, 45] Operation: 21+24=45 Exploring Operation: 24-13=11, Resulting Numbers: [21, 11] Generated Node #0,3,2: 88:[21, 11] Operation: 24-13=11 Exploring Operation: 24-21=3, Resulting Numbers: [13, 3] Generated Node #0,3,3: 88:[13, 3] Operation: 24-21=3 Moving to Node #0,1 Current State: 88:[21, 24, 83], Operations: ['48+35=83'] Exploring Operation: 24-21=3, Resulting Numbers: [83, 3] Generated Node #0,1,0: 88:[83, 3] Operation: 24-21=3 Exploring Operation: 21+24=45, Resulting Numbers: [83, 45] Generated Node #0,1,1: 88:[83, 45] Operation: 21+24=45 Exploring Operation: 83-24=59, Resulting Numbers: [21, 59] Generated Node #0,1,2: 88:[21, 59] Operation: 83-24=59 Exploring Operation: 21+83=104, Resulting Numbers: [24, 104] Generated Node #0,1,3: 88:[24, 104] Operation: 21+83=104 Moving to Node #0,0 Current State: 88:[48, 24, 14], Operations: ['35-21=14'] Exploring Operation: 24+14=38, Resulting Numbers: [48, 38] Generated Node #0,0,0: 88:[48, 38] Operation: 24+14=38 Exploring Operation: 48-24=24, Resulting Numbers: [14, 24] Generated Node #0,0,1: 88:[14, 24] Operation: 48-24=24 Exploring Operation: 24-14=10, Resulting Numbers: [48, 10] Generated Node #0,0,2: 88:[48, 10] Operation: 24-14=10 Exploring Operation: 48/24=2, Resulting Numbers: [14, 2] Generated Node #0,0,3: 88:[14, 2] Operation: 48/24=2 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 88:[14, 2], Operations: ['35-21=14', '48/24=2'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,88 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,88 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,88 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 88:[14, 24], Operations: ['35-21=14', '48-24=24'] Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,88 unequal: No Solution Exploring Operation: 14*24=336, Resulting Numbers: [336] 336,88 unequal: No Solution Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 88:[48, 10], Operations: ['35-21=14', '24-14=10'] Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,88 unequal: No Solution Exploring Operation: 48*10=480, Resulting Numbers: [480] 480,88 unequal: No Solution Exploring Operation: 48+10=58, Resulting Numbers: [58] 58,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[48, 38], Operations: ['35-21=14', '24+14=38'] Exploring Operation: 48+38=86, Resulting Numbers: [86] 86,88 unequal: No Solution Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,88 unequal: No Solution Exploring Operation: 48*38=1824, Resulting Numbers: [1824] 1824,88 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: 88:[21, 11], Operations: ['48-35=13', '24-13=11'] Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,88 unequal: No Solution Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,88 unequal: No Solution Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,88 unequal: No Solution Moving to Node #0,3,0 Current State: 88:[24, 8], Operations: ['48-35=13', '21-13=8'] Exploring Operation: 24+8=32, Resulting Numbers: [32] 32,88 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,88 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 24*8=192, Resulting Numbers: [192] 192,88 unequal: No Solution Moving to Node #0,3,1 Current State: 88:[13, 45], Operations: ['48-35=13', '21+24=45'] Exploring Operation: 13*45=585, Resulting Numbers: [585] 585,88 unequal: No Solution Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,88 unequal: No Solution Exploring Operation: 13+45=58, Resulting Numbers: [58] 58,88 unequal: No Solution Moving to Node #0,3,3 Current State: 88:[13, 3], Operations: ['48-35=13', '24-21=3'] Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,88 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,88 unequal: No Solution Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,88 unequal: No Solution Moving to Node #0,2,3 Current State: 88:[48, 10], Operations: ['35-24=11', '21-11=10'] Exploring Operation: 48*10=480, Resulting Numbers: [480] 480,88 unequal: No Solution Exploring Operation: 48+10=58, Resulting Numbers: [58] 58,88 unequal: No Solution Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,88 unequal: No Solution Moving to Node #0,2,0 Current State: 88:[11, 27], Operations: ['35-24=11', '48-21=27'] Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,88 unequal: No Solution Exploring Operation: 11*27=297, Resulting Numbers: [297] 297,88 unequal: No Solution Exploring Operation: 11+27=38, Resulting Numbers: [38] 38,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[83, 45], Operations: ['48+35=83', '21+24=45'] Exploring Operation: 83-45=38, Resulting Numbers: [38] 38,88 unequal: No Solution Exploring Operation: 83+45=128, Resulting Numbers: [128] 128,88 unequal: No Solution Exploring Operation: 83*45=3735, Resulting Numbers: [3735] 3735,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[83, 3], Operations: ['48+35=83', '24-21=3'] Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,88 unequal: No Solution Exploring Operation: 83*3=249, Resulting Numbers: [249] 249,88 unequal: No Solution Exploring Operation: 83+3=86, Resulting Numbers: [86] 86,88 unequal: No Solution Moving to Node #0,2,1 Current State: 88:[21, 37], Operations: ['35-24=11', '48-11=37'] Exploring Operation: 37-21=16, Resulting Numbers: [16] 16,88 unequal: No Solution Exploring Operation: 21+37=58, Resulting Numbers: [58] 58,88 unequal: No Solution Exploring Operation: 21*37=777, Resulting Numbers: [777] 777,88 unequal: No Solution Moving to Node #0,2,2 Current State: 88:[48, 32], Operations: ['35-24=11', '21+11=32'] Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,88 unequal: No Solution Exploring Operation: 48*32=1536, Resulting Numbers: [1536] 1536,88 unequal: No Solution Exploring Operation: 48+32=80, Resulting Numbers: [80] 80,88 unequal: No Solution Moving to Node #0,1,2 Current State: 88:[21, 59], Operations: ['48+35=83', '83-24=59'] Exploring Operation: 21*59=1239, Resulting Numbers: [1239] 1239,88 unequal: No Solution Exploring Operation: 21+59=80, Resulting Numbers: [80] 80,88 unequal: No Solution Exploring Operation: 59-21=38, Resulting Numbers: [38] 38,88 unequal: No Solution Moving to Node #0,1,3 Current State: 88:[24, 104], Operations: ['48+35=83', '21+83=104'] Exploring Operation: 24*104=2496, Resulting Numbers: [2496] 2496,88 unequal: No Solution Exploring Operation: 24+104=128, Resulting Numbers: [128] 128,88 unequal: No Solution Exploring Operation: 104-24=80, Resulting Numbers: [80] 80,88 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 89, 20, 22, 88 ]
90
[ "22-20=2", "89*2=178", "178-88=90" ]
Current State: 90:[89, 20, 22, 88], Operations: [] Exploring Operation: 22-20=2, Resulting Numbers: [89, 88, 2] Generated Node #2: [89, 88, 2] from Operation: 22-20=2 Current State: 90:[89, 88, 2], Operations: ['22-20=2'] Exploring Operation: 89*2=178, Resulting Numbers: [88, 178] Generated Node #3: [88, 178] from Operation: 89*2=178 Current State: 90:[88, 178], Operations: ['22-20=2', '89*2=178'] Exploring Operation: 178-88=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[89, 20, 22, 88], Operations: [] Exploring Operation: 20+22=42, Resulting Numbers: [89, 88, 42] Generated Node #0,0: 90:[89, 88, 42] Operation: 20+22=42 Exploring Operation: 88/22=4, Resulting Numbers: [89, 20, 4] Generated Node #0,1: 90:[89, 20, 4] Operation: 88/22=4 Exploring Operation: 89-88=1, Resulting Numbers: [20, 22, 1] Generated Node #0,2: 90:[20, 22, 1] Operation: 89-88=1 Exploring Operation: 22-20=2, Resulting Numbers: [89, 88, 2] Generated Node #0,3: 90:[89, 88, 2] Operation: 22-20=2 Moving to Node #0,3 Current State: 90:[89, 88, 2], Operations: ['22-20=2'] Exploring Operation: 88/2=44, Resulting Numbers: [89, 44] Generated Node #0,3,0: 90:[89, 44] Operation: 88/2=44 Exploring Operation: 89+2=91, Resulting Numbers: [88, 91] Generated Node #0,3,1: 90:[88, 91] Operation: 89+2=91 Exploring Operation: 88+2=90, Resulting Numbers: [89, 90] Generated Node #0,3,2: 90:[89, 90] Operation: 88+2=90 Exploring Operation: 89-88=1, Resulting Numbers: [2, 1] Generated Node #0,3,3: 90:[2, 1] Operation: 89-88=1 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 90:[89, 90], Operations: ['22-20=2', '88+2=90'] Exploring Operation: 89*90=8010, Resulting Numbers: [8010] 8010,90 unequal: No Solution Exploring Operation: 89+90=179, Resulting Numbers: [179] 179,90 unequal: No Solution Exploring Operation: 90-89=1, Resulting Numbers: [1] 1,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 90:[2, 1], Operations: ['22-20=2', '89-88=1'] Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,90 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 90:[89, 44], Operations: ['22-20=2', '88/2=44'] Exploring Operation: 89-44=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 89*44=3916, Resulting Numbers: [3916] 3916,90 unequal: No Solution Exploring Operation: 89+44=133, Resulting Numbers: [133] 133,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 90:[88, 91], Operations: ['22-20=2', '89+2=91'] Exploring Operation: 88*91=8008, Resulting Numbers: [8008] 8008,90 unequal: No Solution Exploring Operation: 88+91=179, Resulting Numbers: [179] 179,90 unequal: No Solution Exploring Operation: 91-88=3, Resulting Numbers: [3] 3,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 90:[89, 20, 4], Operations: ['88/22=4'] Exploring Operation: 89+4=93, Resulting Numbers: [20, 93] Generated Node #0,1,0: 90:[20, 93] Operation: 89+4=93 Exploring Operation: 89-4=85, Resulting Numbers: [20, 85] Generated Node #0,1,1: 90:[20, 85] Operation: 89-4=85 Exploring Operation: 20/4=5, Resulting Numbers: [89, 5] Generated Node #0,1,2: 90:[89, 5] Operation: 20/4=5 Exploring Operation: 20-4=16, Resulting Numbers: [89, 16] Generated Node #0,1,3: 90:[89, 16] Operation: 20-4=16 Moving to Node #0,0 Current State: 90:[89, 88, 42], Operations: ['20+22=42'] Exploring Operation: 88-42=46, Resulting Numbers: [89, 46] Generated Node #0,0,0: 90:[89, 46] Operation: 88-42=46 Exploring Operation: 89-42=47, Resulting Numbers: [88, 47] Generated Node #0,0,1: 90:[88, 47] Operation: 89-42=47 Exploring Operation: 88+42=130, Resulting Numbers: [89, 130] Generated Node #0,0,2: 90:[89, 130] Operation: 88+42=130 Exploring Operation: 89-88=1, Resulting Numbers: [42, 1] Generated Node #0,0,3: 90:[42, 1] Operation: 89-88=1 Moving to Node #0,2 Current State: 90:[20, 22, 1], Operations: ['89-88=1'] Exploring Operation: 22-1=21, Resulting Numbers: [20, 21] Generated Node #0,2,0: 90:[20, 21] Operation: 22-1=21 Exploring Operation: 20+22=42, Resulting Numbers: [1, 42] Generated Node #0,2,1: 90:[1, 42] Operation: 20+22=42 Exploring Operation: 22-20=2, Resulting Numbers: [1, 2] Generated Node #0,2,2: 90:[1, 2] Operation: 22-20=2 Exploring Operation: 20-1=19, Resulting Numbers: [22, 19] Generated Node #0,2,3: 90:[22, 19] Operation: 20-1=19 Moving to Node #0,1,2 Current State: 90:[89, 5], Operations: ['88/22=4', '20/4=5'] Exploring Operation: 89-5=84, Resulting Numbers: [84] 84,90 unequal: No Solution Exploring Operation: 89+5=94, Resulting Numbers: [94] 94,90 unequal: No Solution Exploring Operation: 89*5=445, Resulting Numbers: [445] 445,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[1, 2], Operations: ['89-88=1', '22-20=2'] Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 1*2=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 1+2=3, Resulting Numbers: [3] 3,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[89, 46], Operations: ['20+22=42', '88-42=46'] Exploring Operation: 89-46=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 89*46=4094, Resulting Numbers: [4094] 4094,90 unequal: No Solution Exploring Operation: 89+46=135, Resulting Numbers: [135] 135,90 unequal: No Solution Moving to Node #0,1,3 Current State: 90:[89, 16], Operations: ['88/22=4', '20-4=16'] Exploring Operation: 89-16=73, Resulting Numbers: [73] 73,90 unequal: No Solution Exploring Operation: 89+16=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 89*16=1424, Resulting Numbers: [1424] 1424,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[88, 47], Operations: ['20+22=42', '89-42=47'] Exploring Operation: 88+47=135, Resulting Numbers: [135] 135,90 unequal: No Solution Exploring Operation: 88*47=4136, Resulting Numbers: [4136] 4136,90 unequal: No Solution Exploring Operation: 88-47=41, Resulting Numbers: [41] 41,90 unequal: No Solution Moving to Node #0,0,3 Current State: 90:[42, 1], Operations: ['20+22=42', '89-88=1'] Exploring Operation: 42*1=42, Resulting Numbers: [42] 42,90 unequal: No Solution Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,90 unequal: No Solution Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,90 unequal: No Solution Exploring Operation: 42+1=43, Resulting Numbers: [43] 43,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[1, 42], Operations: ['89-88=1', '20+22=42'] Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,90 unequal: No Solution Exploring Operation: 1*42=42, Resulting Numbers: [42] 42,90 unequal: No Solution Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,90 unequal: No Solution Exploring Operation: 1+42=43, Resulting Numbers: [43] 43,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[20, 93], Operations: ['88/22=4', '89+4=93'] Exploring Operation: 20*93=1860, Resulting Numbers: [1860] 1860,90 unequal: No Solution Exploring Operation: 93-20=73, Resulting Numbers: [73] 73,90 unequal: No Solution Exploring Operation: 20+93=113, Resulting Numbers: [113] 113,90 unequal: No Solution Moving to Node #0,2,3 Current State: 90:[22, 19], Operations: ['89-88=1', '20-1=19'] Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,90 unequal: No Solution Exploring Operation: 22+19=41, Resulting Numbers: [41] 41,90 unequal: No Solution Exploring Operation: 22*19=418, Resulting Numbers: [418] 418,90 unequal: No Solution Moving to Node #0,2,0 Current State: 90:[20, 21], Operations: ['89-88=1', '22-1=21'] Exploring Operation: 20*21=420, Resulting Numbers: [420] 420,90 unequal: No Solution Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 20+21=41, Resulting Numbers: [41] 41,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[20, 85], Operations: ['88/22=4', '89-4=85'] Exploring Operation: 20+85=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 85-20=65, Resulting Numbers: [65] 65,90 unequal: No Solution Exploring Operation: 20*85=1700, Resulting Numbers: [1700] 1700,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[89, 130], Operations: ['20+22=42', '88+42=130'] Exploring Operation: 130-89=41, Resulting Numbers: [41] 41,90 unequal: No Solution Exploring Operation: 89*130=11570, Resulting Numbers: [11570] 11570,90 unequal: No Solution Exploring Operation: 89+130=219, Resulting Numbers: [219] 219,90 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 89, 51, 5, 99 ]
49
[ "99-89=10", "10/5=2", "51-2=49" ]
Current State: 49:[89, 51, 5, 99], Operations: [] Exploring Operation: 99-89=10, Resulting Numbers: [51, 5, 10] Generated Node #2: [51, 5, 10] from Operation: 99-89=10 Current State: 49:[51, 5, 10], Operations: ['99-89=10'] Exploring Operation: 10/5=2, Resulting Numbers: [51, 2] Generated Node #3: [51, 2] from Operation: 10/5=2 Current State: 49:[51, 2], Operations: ['99-89=10', '10/5=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[89, 51, 5, 99], Operations: [] Exploring Operation: 99-51=48, Resulting Numbers: [89, 5, 48] Generated Node #0,0: 49:[89, 5, 48] Operation: 99-51=48 Exploring Operation: 99-89=10, Resulting Numbers: [51, 5, 10] Generated Node #0,1: 49:[51, 5, 10] Operation: 99-89=10 Moving to Node #0,1 Current State: 49:[51, 5, 10], Operations: ['99-89=10'] Exploring Operation: 5*10=50, Resulting Numbers: [51, 50] Generated Node #0,1,0: 49:[51, 50] Operation: 5*10=50 Exploring Operation: 10-5=5, Resulting Numbers: [51, 5] Generated Node #0,1,1: 49:[51, 5] Operation: 10-5=5 Moving to Node #0,0 Current State: 49:[89, 5, 48], Operations: ['99-51=48'] Exploring Operation: 89-5=84, Resulting Numbers: [48, 84] Generated Node #0,0,0: 49:[48, 84] Operation: 89-5=84 Exploring Operation: 89-48=41, Resulting Numbers: [5, 41] Generated Node #0,0,1: 49:[5, 41] Operation: 89-48=41 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[5, 41], Operations: ['99-51=48', '89-48=41'] Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,49 unequal: No Solution Exploring Operation: 5+41=46, Resulting Numbers: [46] 46,49 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:[48, 84], Operations: ['99-51=48', '89-5=84'] Exploring Operation: 48+84=132, Resulting Numbers: [132] 132,49 unequal: No Solution Exploring Operation: 84-48=36, Resulting Numbers: [36] 36,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 49:[51, 50], Operations: ['99-89=10', '5*10=50'] Exploring Operation: 51-50=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 51+50=101, Resulting Numbers: [101] 101,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[51, 5], Operations: ['99-89=10', '10-5=5'] Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,49 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,49 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 71, 63, 14, 82 ]
66
[ "71+63=134", "82-14=68", "134-68=66" ]
Current State: 66:[71, 63, 14, 82], Operations: [] Exploring Operation: 71+63=134, Resulting Numbers: [14, 82, 134] Generated Node #2: [14, 82, 134] from Operation: 71+63=134 Current State: 66:[14, 82, 134], Operations: ['71+63=134'] Exploring Operation: 82-14=68, Resulting Numbers: [134, 68] Generated Node #3: [134, 68] from Operation: 82-14=68 Current State: 66:[134, 68], Operations: ['71+63=134', '82-14=68'] Exploring Operation: 134-68=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[71, 63, 14, 82], Operations: [] Exploring Operation: 82-71=11, Resulting Numbers: [63, 14, 11] Generated Node #0,0: 66:[63, 14, 11] Operation: 82-71=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[63, 14, 11], Operations: ['82-71=11'] Exploring Operation: 14-11=3, Resulting Numbers: [63, 3] Generated Node #0,0,0: 66:[63, 3] Operation: 14-11=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[63, 3], Operations: ['82-71=11', '14-11=3'] Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[71, 63, 14, 82], Operations: [] Exploring Operation: 82-71=11, Resulting Numbers: [63, 14, 11] Generated Node #0,0: 66:[63, 14, 11] Operation: 82-71=11 Moving to Node #0,0 Current State: 66:[63, 14, 11], Operations: ['82-71=11'] Exploring Operation: 14-11=3, Resulting Numbers: [63, 3] Generated Node #0,0,0: 66:[63, 3] Operation: 14-11=3 Moving to Node #0,0,0 Current State: 66:[63, 3], Operations: ['82-71=11', '14-11=3'] Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 30, 39, 21, 34 ]
26
[ "30+21=51", "39*34=1326", "1326/51=26" ]
Current State: 26:[30, 39, 21, 34], Operations: [] Exploring Operation: 30+21=51, Resulting Numbers: [39, 34, 51] Generated Node #2: [39, 34, 51] from Operation: 30+21=51 Current State: 26:[39, 34, 51], Operations: ['30+21=51'] Exploring Operation: 39*34=1326, Resulting Numbers: [51, 1326] Generated Node #3: [51, 1326] from Operation: 39*34=1326 Current State: 26:[51, 1326], Operations: ['30+21=51', '39*34=1326'] Exploring Operation: 1326/51=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[30, 39, 21, 34], Operations: [] Exploring Operation: 39-34=5, Resulting Numbers: [30, 21, 5] Generated Node #0,0: 26:[30, 21, 5] Operation: 39-34=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[30, 21, 5], Operations: ['39-34=5'] Exploring Operation: 21+5=26, Resulting Numbers: [30, 26] Generated Node #0,0,0: 26:[30, 26] Operation: 21+5=26 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[30, 26], Operations: ['39-34=5', '21+5=26'] Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 46, 46, 76, 34 ]
60
[ "46*46=2116", "2116-76=2040", "2040/34=60" ]
Current State: 60:[46, 46, 76, 34], Operations: [] Exploring Operation: 46*46=2116, Resulting Numbers: [76, 34, 2116] Generated Node #2: [76, 34, 2116] from Operation: 46*46=2116 Current State: 60:[76, 34, 2116], Operations: ['46*46=2116'] Exploring Operation: 2116-76=2040, Resulting Numbers: [34, 2040] Generated Node #3: [34, 2040] from Operation: 2116-76=2040 Current State: 60:[34, 2040], Operations: ['46*46=2116', '2116-76=2040'] Exploring Operation: 2040/34=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[46, 46, 76, 34], Operations: [] Exploring Operation: 76-46=30, Resulting Numbers: [46, 34, 30] Generated Node #0,0: 60:[46, 34, 30] Operation: 76-46=30 Exploring Operation: 76-46=30, Resulting Numbers: [46, 34, 30] Generated Node #0,1: 60:[46, 34, 30] Operation: 76-46=30 Moving to Node #0,0 Current State: 60:[46, 34, 30], Operations: ['76-46=30'] Exploring Operation: 46-34=12, Resulting Numbers: [30, 12] Generated Node #0,0,0: 60:[30, 12] Operation: 46-34=12 Exploring Operation: 46-30=16, Resulting Numbers: [34, 16] Generated Node #0,0,1: 60:[34, 16] Operation: 46-30=16 Moving to Node #0,1 Current State: 60:[46, 34, 30], Operations: ['76-46=30'] Exploring Operation: 46-34=12, Resulting Numbers: [30, 12] Generated Node #0,1,0: 60:[30, 12] Operation: 46-34=12 Exploring Operation: 46-30=16, Resulting Numbers: [34, 16] Generated Node #0,1,1: 60:[34, 16] Operation: 46-30=16 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 60:[30, 12], Operations: ['76-46=30', '46-34=12'] Exploring Operation: 30+12=42, Resulting Numbers: [42] 42,60 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,60 unequal: No Solution No 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: 60:[34, 16], Operations: ['76-46=30', '46-30=16'] Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 60:[30, 12], Operations: ['76-46=30', '46-34=12'] Exploring Operation: 30+12=42, Resulting Numbers: [42] 42,60 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[34, 16], Operations: ['76-46=30', '46-30=16'] Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,60 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 9, 61, 97, 58 ]
100
[ "61-58=3", "9/3=3", "97+3=100" ]
Current State: 100:[9, 61, 97, 58], Operations: [] Exploring Operation: 61-58=3, Resulting Numbers: [9, 97, 3] Generated Node #2: [9, 97, 3] from Operation: 61-58=3 Current State: 100:[9, 97, 3], Operations: ['61-58=3'] Exploring Operation: 9/3=3, Resulting Numbers: [97, 3] Generated Node #3: [97, 3] from Operation: 9/3=3 Current State: 100:[97, 3], Operations: ['61-58=3', '9/3=3'] Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[9, 61, 97, 58], Operations: [] Exploring Operation: 61-9=52, Resulting Numbers: [97, 58, 52] Generated Node #0,0: 100:[97, 58, 52] Operation: 61-9=52 Exploring Operation: 61-58=3, Resulting Numbers: [9, 97, 3] Generated Node #0,1: 100:[9, 97, 3] Operation: 61-58=3 Exploring Operation: 58-9=49, Resulting Numbers: [61, 97, 49] Generated Node #0,2: 100:[61, 97, 49] Operation: 58-9=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[9, 97, 3], Operations: ['61-58=3'] Exploring Operation: 9/3=3, Resulting Numbers: [97, 3] Generated Node #0,1,0: 100:[97, 3] Operation: 9/3=3 Exploring Operation: 97+3=100, Resulting Numbers: [9, 100] Generated Node #0,1,1: 100:[9, 100] Operation: 97+3=100 Exploring Operation: 9-3=6, Resulting Numbers: [97, 6] Generated Node #0,1,2: 100:[97, 6] Operation: 9-3=6 Moving to Node #0,1,1 Current State: 100:[9, 100], Operations: ['61-58=3', '97+3=100'] Exploring Operation: 9+100=109, Resulting Numbers: [109] 109,100 unequal: No Solution Exploring Operation: 100-9=91, Resulting Numbers: [91] 91,100 unequal: No Solution Exploring Operation: 9*100=900, Resulting Numbers: [900] 900,100 unequal: No Solution Moving to Node #0,1,0 Current State: 100:[97, 3], Operations: ['61-58=3', '9/3=3'] Exploring Operation: 97-3=94, Resulting Numbers: [94] 94,100 unequal: No Solution Exploring Operation: 97*3=291, Resulting Numbers: [291] 291,100 unequal: No Solution Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[9, 61, 97, 58], Operations: [] Exploring Operation: 61-58=3, Resulting Numbers: [9, 97, 3] Generated Node #0,1: 100:[9, 97, 3] Operation: 61-58=3 Moving to Node #0,1 Current State: 100:[9, 97, 3], Operations: ['61-58=3'] Exploring Operation: 9/3=3, Resulting Numbers: [97, 3] Generated Node #0,1,0: 100:[97, 3] Operation: 9/3=3 Moving to Node #0,1,0 Current State: 100:[97, 3], Operations: ['61-58=3', '9/3=3'] Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 74, 45, 72, 63 ]
81
[ "74-72=2", "63*2=126", "126-45=81" ]
Current State: 81:[74, 45, 72, 63], Operations: [] Exploring Operation: 74-72=2, Resulting Numbers: [45, 63, 2] Generated Node #2: [45, 63, 2] from Operation: 74-72=2 Current State: 81:[45, 63, 2], Operations: ['74-72=2'] Exploring Operation: 63*2=126, Resulting Numbers: [45, 126] Generated Node #3: [45, 126] from Operation: 63*2=126 Current State: 81:[45, 126], Operations: ['74-72=2', '63*2=126'] Exploring Operation: 126-45=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[74, 45, 72, 63], Operations: [] Exploring Operation: 63-45=18, Resulting Numbers: [74, 72, 18] Generated Node #0,0: 81:[74, 72, 18] Operation: 63-45=18 Exploring Operation: 72-45=27, Resulting Numbers: [74, 63, 27] Generated Node #0,1: 81:[74, 63, 27] Operation: 72-45=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[74, 72, 18], Operations: ['63-45=18'] Exploring Operation: 74-72=2, Resulting Numbers: [18, 2] Generated Node #0,0,0: 81:[18, 2] Operation: 74-72=2 Exploring Operation: 72/18=4, Resulting Numbers: [74, 4] Generated Node #0,0,1: 81:[74, 4] Operation: 72/18=4 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 81:[74, 4], Operations: ['63-45=18', '72/18=4'] Exploring Operation: 74+4=78, Resulting Numbers: [78] 78,81 unequal: No Solution Exploring Operation: 74-4=70, Resulting Numbers: [70] 70,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[18, 2], Operations: ['63-45=18', '74-72=2'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[74, 63, 27], Operations: ['72-45=27'] Exploring Operation: 74-63=11, Resulting Numbers: [27, 11] Generated Node #0,1,0: 81:[27, 11] Operation: 74-63=11 Exploring Operation: 63+27=90, Resulting Numbers: [74, 90] Generated Node #0,1,1: 81:[74, 90] Operation: 63+27=90 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 81:[27, 11], Operations: ['72-45=27', '74-63=11'] Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,81 unequal: No Solution Exploring Operation: 27+11=38, Resulting Numbers: [38] 38,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 81:[74, 90], Operations: ['72-45=27', '63+27=90'] Exploring Operation: 74+90=164, Resulting Numbers: [164] 164,81 unequal: No Solution Exploring Operation: 90-74=16, Resulting Numbers: [16] 16,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 72, 89, 70, 70 ]
89
[ "70-70=0", "72*0=0", "89+0=89" ]
Current State: 89:[72, 89, 70, 70], Operations: [] Exploring Operation: 70-70=0, Resulting Numbers: [72, 89, 0] Generated Node #2: [72, 89, 0] from Operation: 70-70=0 Current State: 89:[72, 89, 0], Operations: ['70-70=0'] Exploring Operation: 72*0=0, Resulting Numbers: [89, 0] Generated Node #3: [89, 0] from Operation: 72*0=0 Current State: 89:[89, 0], Operations: ['70-70=0', '72*0=0'] Exploring Operation: 89+0=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[72, 89, 70, 70], Operations: [] Exploring Operation: 70+70=140, Resulting Numbers: [72, 89, 140] Generated Node #0,0: 89:[72, 89, 140] Operation: 70+70=140 Exploring Operation: 72+70=142, Resulting Numbers: [89, 70, 142] Generated Node #0,1: 89:[89, 70, 142] Operation: 72+70=142 Exploring Operation: 70/70=1, Resulting Numbers: [72, 89, 1] Generated Node #0,2: 89:[72, 89, 1] Operation: 70/70=1 Exploring Operation: 72+70=142, Resulting Numbers: [89, 70, 142] Generated Node #0,3: 89:[89, 70, 142] Operation: 72+70=142 Moving to Node #0,0 Current State: 89:[72, 89, 140], Operations: ['70+70=140'] Exploring Operation: 140-89=51, Resulting Numbers: [72, 51] Generated Node #0,0,0: 89:[72, 51] Operation: 140-89=51 Exploring Operation: 140-72=68, Resulting Numbers: [89, 68] Generated Node #0,0,1: 89:[89, 68] Operation: 140-72=68 Exploring Operation: 72+89=161, Resulting Numbers: [140, 161] Generated Node #0,0,2: 89:[140, 161] Operation: 72+89=161 Exploring Operation: 89-72=17, Resulting Numbers: [140, 17] Generated Node #0,0,3: 89:[140, 17] Operation: 89-72=17 Moving to Node #0,3 Current State: 89:[89, 70, 142], Operations: ['72+70=142'] Exploring Operation: 89+70=159, Resulting Numbers: [142, 159] Generated Node #0,3,0: 89:[142, 159] Operation: 89+70=159 Exploring Operation: 142-70=72, Resulting Numbers: [89, 72] Generated Node #0,3,1: 89:[89, 72] Operation: 142-70=72 Exploring Operation: 142-89=53, Resulting Numbers: [70, 53] Generated Node #0,3,2: 89:[70, 53] Operation: 142-89=53 Exploring Operation: 89-70=19, Resulting Numbers: [142, 19] Generated Node #0,3,3: 89:[142, 19] Operation: 89-70=19 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 89:[89, 72], Operations: ['72+70=142', '142-70=72'] Exploring Operation: 89*72=6408, Resulting Numbers: [6408] 6408,89 unequal: No Solution Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 89+72=161, Resulting Numbers: [161] 161,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 89:[70, 53], Operations: ['72+70=142', '142-89=53'] Exploring Operation: 70+53=123, Resulting Numbers: [123] 123,89 unequal: No Solution Exploring Operation: 70-53=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 70*53=3710, Resulting Numbers: [3710] 3710,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 89:[142, 159], Operations: ['72+70=142', '89+70=159'] Exploring Operation: 142+159=301, Resulting Numbers: [301] 301,89 unequal: No Solution Exploring Operation: 142*159=22578, Resulting Numbers: [22578] 22578,89 unequal: No Solution Exploring Operation: 159-142=17, Resulting Numbers: [17] 17,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 89:[142, 19], Operations: ['72+70=142', '89-70=19'] Exploring Operation: 142*19=2698, Resulting Numbers: [2698] 2698,89 unequal: No Solution Exploring Operation: 142+19=161, Resulting Numbers: [161] 161,89 unequal: No Solution Exploring Operation: 142-19=123, Resulting Numbers: [123] 123,89 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: 89:[89, 70, 142], Operations: ['72+70=142'] Exploring Operation: 142-70=72, Resulting Numbers: [89, 72] Generated Node #0,1,0: 89:[89, 72] Operation: 142-70=72 Exploring Operation: 142-89=53, Resulting Numbers: [70, 53] Generated Node #0,1,1: 89:[70, 53] Operation: 142-89=53 Exploring Operation: 89-70=19, Resulting Numbers: [142, 19] Generated Node #0,1,2: 89:[142, 19] Operation: 89-70=19 Exploring Operation: 89+70=159, Resulting Numbers: [142, 159] Generated Node #0,1,3: 89:[142, 159] Operation: 89+70=159 Moving to Node #0,2 Current State: 89:[72, 89, 1], Operations: ['70/70=1'] Exploring Operation: 89*1=89, Resulting Numbers: [72, 89] Generated Node #0,2,0: 89:[72, 89] Operation: 89*1=89 Exploring Operation: 72*1=72, Resulting Numbers: [89, 72] Generated Node #0,2,1: 89:[89, 72] Operation: 72*1=72 Exploring Operation: 72/1=72, Resulting Numbers: [89, 72] Generated Node #0,2,2: 89:[89, 72] Operation: 72/1=72 Exploring Operation: 72+1=73, Resulting Numbers: [89, 73] Generated Node #0,2,3: 89:[89, 73] Operation: 72+1=73 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 89:[89, 73], Operations: ['70/70=1', '72+1=73'] Exploring Operation: 89-73=16, Resulting Numbers: [16] 16,89 unequal: No Solution Exploring Operation: 89*73=6497, Resulting Numbers: [6497] 6497,89 unequal: No Solution Exploring Operation: 89+73=162, Resulting Numbers: [162] 162,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 89:[72, 89], Operations: ['70/70=1', '89*1=89'] Exploring Operation: 72+89=161, Resulting Numbers: [161] 161,89 unequal: No Solution Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 72*89=6408, Resulting Numbers: [6408] 6408,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 89:[89, 72], Operations: ['70/70=1', '72*1=72'] Exploring Operation: 89+72=161, Resulting Numbers: [161] 161,89 unequal: No Solution Exploring Operation: 89*72=6408, Resulting Numbers: [6408] 6408,89 unequal: No Solution Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 89:[89, 72], Operations: ['70/70=1', '72/1=72'] Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 89+72=161, Resulting Numbers: [161] 161,89 unequal: No Solution Exploring Operation: 89*72=6408, Resulting Numbers: [6408] 6408,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 89:[89, 72], Operations: ['72+70=142', '142-70=72'] Exploring Operation: 89+72=161, Resulting Numbers: [161] 161,89 unequal: No Solution Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 89*72=6408, Resulting Numbers: [6408] 6408,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[89, 68], Operations: ['70+70=140', '140-72=68'] Exploring Operation: 89+68=157, Resulting Numbers: [157] 157,89 unequal: No Solution Exploring Operation: 89*68=6052, Resulting Numbers: [6052] 6052,89 unequal: No Solution Exploring Operation: 89-68=21, Resulting Numbers: [21] 21,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[70, 53], Operations: ['72+70=142', '142-89=53'] Exploring Operation: 70+53=123, Resulting Numbers: [123] 123,89 unequal: No Solution Exploring Operation: 70-53=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 70*53=3710, Resulting Numbers: [3710] 3710,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[72, 51], Operations: ['70+70=140', '140-89=51'] Exploring Operation: 72*51=3672, Resulting Numbers: [3672] 3672,89 unequal: No Solution Exploring Operation: 72-51=21, Resulting Numbers: [21] 21,89 unequal: No Solution Exploring Operation: 72+51=123, Resulting Numbers: [123] 123,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[140, 161], Operations: ['70+70=140', '72+89=161'] Exploring Operation: 161-140=21, Resulting Numbers: [21] 21,89 unequal: No Solution Exploring Operation: 140+161=301, Resulting Numbers: [301] 301,89 unequal: No Solution Exploring Operation: 140*161=22540, Resulting Numbers: [22540] 22540,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[142, 19], Operations: ['72+70=142', '89-70=19'] Exploring Operation: 142*19=2698, Resulting Numbers: [2698] 2698,89 unequal: No Solution Exploring Operation: 142-19=123, Resulting Numbers: [123] 123,89 unequal: No Solution Exploring Operation: 142+19=161, Resulting Numbers: [161] 161,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[142, 159], Operations: ['72+70=142', '89+70=159'] Exploring Operation: 142*159=22578, Resulting Numbers: [22578] 22578,89 unequal: No Solution Exploring Operation: 142+159=301, Resulting Numbers: [301] 301,89 unequal: No Solution Exploring Operation: 159-142=17, Resulting Numbers: [17] 17,89 unequal: No Solution Moving to Node #0,0,3 Current State: 89:[140, 17], Operations: ['70+70=140', '89-72=17'] Exploring Operation: 140+17=157, Resulting Numbers: [157] 157,89 unequal: No Solution Exploring Operation: 140-17=123, Resulting Numbers: [123] 123,89 unequal: No Solution Exploring Operation: 140*17=2380, Resulting Numbers: [2380] 2380,89 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 12, 3, 56, 27 ]
43
[ "12+27=39", "39/3=13", "56-13=43" ]
Current State: 43:[12, 3, 56, 27], Operations: [] Exploring Operation: 12+27=39, Resulting Numbers: [3, 56, 39] Generated Node #2: [3, 56, 39] from Operation: 12+27=39 Current State: 43:[3, 56, 39], Operations: ['12+27=39'] Exploring Operation: 39/3=13, Resulting Numbers: [56, 13] Generated Node #3: [56, 13] from Operation: 39/3=13 Current State: 43:[56, 13], Operations: ['12+27=39', '39/3=13'] Exploring Operation: 56-13=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[12, 3, 56, 27], Operations: [] Exploring Operation: 12*3=36, Resulting Numbers: [56, 27, 36] Generated Node #0,0: 43:[56, 27, 36] Operation: 12*3=36 Exploring Operation: 56-12=44, Resulting Numbers: [3, 27, 44] Generated Node #0,1: 43:[3, 27, 44] Operation: 56-12=44 Exploring Operation: 12+27=39, Resulting Numbers: [3, 56, 39] Generated Node #0,2: 43:[3, 56, 39] Operation: 12+27=39 Exploring Operation: 12+3=15, Resulting Numbers: [56, 27, 15] Generated Node #0,3: 43:[56, 27, 15] Operation: 12+3=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[56, 27, 36], Operations: ['12*3=36'] Exploring Operation: 27+36=63, Resulting Numbers: [56, 63] Generated Node #0,0,0: 43:[56, 63] Operation: 27+36=63 Exploring Operation: 56-36=20, Resulting Numbers: [27, 20] Generated Node #0,0,1: 43:[27, 20] Operation: 56-36=20 Exploring Operation: 56+27=83, Resulting Numbers: [36, 83] Generated Node #0,0,2: 43:[36, 83] Operation: 56+27=83 Exploring Operation: 56-27=29, Resulting Numbers: [36, 29] Generated Node #0,0,3: 43:[36, 29] Operation: 56-27=29 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 43:[36, 29], Operations: ['12*3=36', '56-27=29'] Exploring Operation: 36+29=65, Resulting Numbers: [65] 65,43 unequal: No Solution Exploring Operation: 36-29=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 36*29=1044, Resulting Numbers: [1044] 1044,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[56, 63], Operations: ['12*3=36', '27+36=63'] Exploring Operation: 56+63=119, Resulting Numbers: [119] 119,43 unequal: No Solution Exploring Operation: 63-56=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 56*63=3528, Resulting Numbers: [3528] 3528,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[27, 20], Operations: ['12*3=36', '56-36=20'] Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 27+20=47, Resulting Numbers: [47] 47,43 unequal: No Solution Exploring Operation: 27*20=540, Resulting Numbers: [540] 540,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 43:[36, 83], Operations: ['12*3=36', '56+27=83'] Exploring Operation: 83-36=47, Resulting Numbers: [47] 47,43 unequal: No Solution Exploring Operation: 36+83=119, Resulting Numbers: [119] 119,43 unequal: No Solution Exploring Operation: 36*83=2988, Resulting Numbers: [2988] 2988,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[3, 27, 44], Operations: ['56-12=44'] Exploring Operation: 3+27=30, Resulting Numbers: [44, 30] Generated Node #0,1,0: 43:[44, 30] Operation: 3+27=30 Exploring Operation: 3+44=47, Resulting Numbers: [27, 47] Generated Node #0,1,1: 43:[27, 47] Operation: 3+44=47 Exploring Operation: 44-3=41, Resulting Numbers: [27, 41] Generated Node #0,1,2: 43:[27, 41] Operation: 44-3=41 Exploring Operation: 27-3=24, Resulting Numbers: [44, 24] Generated Node #0,1,3: 43:[44, 24] Operation: 27-3=24 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[44, 30], Operations: ['56-12=44', '3+27=30'] Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 44*30=1320, Resulting Numbers: [1320] 1320,43 unequal: No Solution Exploring Operation: 44+30=74, Resulting Numbers: [74] 74,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 43:[27, 41], Operations: ['56-12=44', '44-3=41'] Exploring Operation: 27*41=1107, Resulting Numbers: [1107] 1107,43 unequal: No Solution Exploring Operation: 27+41=68, Resulting Numbers: [68] 68,43 unequal: No Solution Exploring Operation: 41-27=14, Resulting Numbers: [14] 14,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[27, 47], Operations: ['56-12=44', '3+44=47'] Exploring Operation: 27*47=1269, Resulting Numbers: [1269] 1269,43 unequal: No Solution Exploring Operation: 47-27=20, Resulting Numbers: [20] 20,43 unequal: No Solution Exploring Operation: 27+47=74, Resulting Numbers: [74] 74,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 43:[44, 24], Operations: ['56-12=44', '27-3=24'] Exploring Operation: 44*24=1056, Resulting Numbers: [1056] 1056,43 unequal: No Solution Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,43 unequal: No Solution Exploring Operation: 44+24=68, Resulting Numbers: [68] 68,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[3, 56, 39], Operations: ['12+27=39'] Exploring Operation: 56-3=53, Resulting Numbers: [39, 53] Generated Node #0,2,0: 43:[39, 53] Operation: 56-3=53 Exploring Operation: 39-3=36, Resulting Numbers: [56, 36] Generated Node #0,2,1: 43:[56, 36] Operation: 39-3=36 Exploring Operation: 3+56=59, Resulting Numbers: [39, 59] Generated Node #0,2,2: 43:[39, 59] Operation: 3+56=59 Exploring Operation: 3+39=42, Resulting Numbers: [56, 42] Generated Node #0,2,3: 43:[56, 42] Operation: 3+39=42 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[39, 53], Operations: ['12+27=39', '56-3=53'] Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 39*53=2067, Resulting Numbers: [2067] 2067,43 unequal: No Solution Exploring Operation: 39+53=92, Resulting Numbers: [92] 92,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 43:[56, 42], Operations: ['12+27=39', '3+39=42'] Exploring Operation: 56*42=2352, Resulting Numbers: [2352] 2352,43 unequal: No Solution Exploring Operation: 56-42=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 56+42=98, Resulting Numbers: [98] 98,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[56, 36], Operations: ['12+27=39', '39-3=36'] Exploring Operation: 56*36=2016, Resulting Numbers: [2016] 2016,43 unequal: No Solution Exploring Operation: 56+36=92, Resulting Numbers: [92] 92,43 unequal: No Solution Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[39, 59], Operations: ['12+27=39', '3+56=59'] Exploring Operation: 59-39=20, Resulting Numbers: [20] 20,43 unequal: No Solution Exploring Operation: 39+59=98, Resulting Numbers: [98] 98,43 unequal: No Solution Exploring Operation: 39*59=2301, Resulting Numbers: [2301] 2301,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[56, 27, 15], Operations: ['12+3=15'] Exploring Operation: 27+15=42, Resulting Numbers: [56, 42] Generated Node #0,3,0: 43:[56, 42] Operation: 27+15=42 Exploring Operation: 56+15=71, Resulting Numbers: [27, 71] Generated Node #0,3,1: 43:[27, 71] Operation: 56+15=71 Exploring Operation: 56-15=41, Resulting Numbers: [27, 41] Generated Node #0,3,2: 43:[27, 41] Operation: 56-15=41 Exploring Operation: 56-27=29, Resulting Numbers: [15, 29] Generated Node #0,3,3: 43:[15, 29] Operation: 56-27=29 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 43:[56, 42], Operations: ['12+3=15', '27+15=42'] Exploring Operation: 56*42=2352, Resulting Numbers: [2352] 2352,43 unequal: No Solution Exploring Operation: 56-42=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 56+42=98, Resulting Numbers: [98] 98,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 43:[27, 41], Operations: ['12+3=15', '56-15=41'] Exploring Operation: 27+41=68, Resulting Numbers: [68] 68,43 unequal: No Solution Exploring Operation: 27*41=1107, Resulting Numbers: [1107] 1107,43 unequal: No Solution Exploring Operation: 41-27=14, Resulting Numbers: [14] 14,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 43:[15, 29], Operations: ['12+3=15', '56-27=29'] Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 15*29=435, Resulting Numbers: [435] 435,43 unequal: No Solution Exploring Operation: 15+29=44, Resulting Numbers: [44] 44,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 43:[27, 71], Operations: ['12+3=15', '56+15=71'] Exploring Operation: 27*71=1917, Resulting Numbers: [1917] 1917,43 unequal: No Solution Exploring Operation: 27+71=98, Resulting Numbers: [98] 98,43 unequal: No Solution Exploring Operation: 71-27=44, Resulting Numbers: [44] 44,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 97, 66, 80, 28 ]
55
[ "97+66=163", "80+28=108", "163-108=55" ]
Current State: 55:[97, 66, 80, 28], Operations: [] Exploring Operation: 97+66=163, Resulting Numbers: [80, 28, 163] Generated Node #2: [80, 28, 163] from Operation: 97+66=163 Current State: 55:[80, 28, 163], Operations: ['97+66=163'] Exploring Operation: 80+28=108, Resulting Numbers: [163, 108] Generated Node #3: [163, 108] from Operation: 80+28=108 Current State: 55:[163, 108], Operations: ['97+66=163', '80+28=108'] Exploring Operation: 163-108=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[97, 66, 80, 28], Operations: [] Exploring Operation: 97-80=17, Resulting Numbers: [66, 28, 17] Generated Node #0,0: 55:[66, 28, 17] Operation: 97-80=17 Exploring Operation: 97-28=69, Resulting Numbers: [66, 80, 69] Generated Node #0,1: 55:[66, 80, 69] Operation: 97-28=69 Moving to Node #0,0 Current State: 55:[66, 28, 17], Operations: ['97-80=17'] Exploring Operation: 28-17=11, Resulting Numbers: [66, 11] Generated Node #0,0,0: 55:[66, 11] Operation: 28-17=11 Exploring Operation: 28+17=45, Resulting Numbers: [66, 45] Generated Node #0,0,1: 55:[66, 45] Operation: 28+17=45 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 55:[66, 11], Operations: ['97-80=17', '28-17=11'] Exploring Operation: 66-11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[97, 66, 80, 28], Operations: [] Exploring Operation: 97-80=17, Resulting Numbers: [66, 28, 17] Generated Node #0,0: 55:[66, 28, 17] Operation: 97-80=17 Moving to Node #0,0 Current State: 55:[66, 28, 17], Operations: ['97-80=17'] Exploring Operation: 28-17=11, Resulting Numbers: [66, 11] Generated Node #0,0,0: 55:[66, 11] Operation: 28-17=11 Moving to Node #0,0,0 Current State: 55:[66, 11], Operations: ['97-80=17', '28-17=11'] Exploring Operation: 66-11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 66, 12, 72, 84 ]
26
[ "72-66=6", "84/6=14", "12+14=26" ]
Current State: 26:[66, 12, 72, 84], Operations: [] Exploring Operation: 72-66=6, Resulting Numbers: [12, 84, 6] Generated Node #2: [12, 84, 6] from Operation: 72-66=6 Current State: 26:[12, 84, 6], Operations: ['72-66=6'] Exploring Operation: 84/6=14, Resulting Numbers: [12, 14] Generated Node #3: [12, 14] from Operation: 84/6=14 Current State: 26:[12, 14], Operations: ['72-66=6', '84/6=14'] Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[66, 12, 72, 84], Operations: [] Exploring Operation: 84-72=12, Resulting Numbers: [66, 12, 12] Generated Node #0,0: 26:[66, 12, 12] Operation: 84-72=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[66, 12, 12], Operations: ['84-72=12'] Exploring Operation: 66-12=54, Resulting Numbers: [12, 54] Generated Node #0,0,0: 26:[12, 54] Operation: 66-12=54 Moving to Node #0,0,0 Current State: 26:[12, 54], Operations: ['84-72=12', '66-12=54'] Exploring Operation: 54-12=42, Resulting Numbers: [42] 42,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 90, 98, 2, 80 ]
99
[ "98-80=18", "18/2=9", "90+9=99" ]
Current State: 99:[90, 98, 2, 80], Operations: [] Exploring Operation: 98-80=18, Resulting Numbers: [90, 2, 18] Generated Node #2: [90, 2, 18] from Operation: 98-80=18 Current State: 99:[90, 2, 18], Operations: ['98-80=18'] Exploring Operation: 18/2=9, Resulting Numbers: [90, 9] Generated Node #3: [90, 9] from Operation: 18/2=9 Current State: 99:[90, 9], Operations: ['98-80=18', '18/2=9'] Exploring Operation: 90+9=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[90, 98, 2, 80], Operations: [] Exploring Operation: 90-80=10, Resulting Numbers: [98, 2, 10] Generated Node #0,0: 99:[98, 2, 10] Operation: 90-80=10 Moving to Node #0,0 Current State: 99:[98, 2, 10], Operations: ['90-80=10'] Exploring Operation: 98+2=100, Resulting Numbers: [10, 100] Generated Node #0,0,0: 99:[10, 100] Operation: 98+2=100 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[10, 100], Operations: ['90-80=10', '98+2=100'] Exploring Operation: 100/10=10, Resulting Numbers: [10] 10,99 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
[ 34, 51, 3, 15 ]
73
[ "34+51=85", "15-3=12", "85-12=73" ]
Current State: 73:[34, 51, 3, 15], Operations: [] Exploring Operation: 34+51=85, Resulting Numbers: [3, 15, 85] Generated Node #2: [3, 15, 85] from Operation: 34+51=85 Current State: 73:[3, 15, 85], Operations: ['34+51=85'] Exploring Operation: 15-3=12, Resulting Numbers: [85, 12] Generated Node #3: [85, 12] from Operation: 15-3=12 Current State: 73:[85, 12], Operations: ['34+51=85', '15-3=12'] Exploring Operation: 85-12=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[34, 51, 3, 15], Operations: [] Exploring Operation: 3*15=45, Resulting Numbers: [34, 51, 45] Generated Node #0,0: 73:[34, 51, 45] Operation: 3*15=45 Exploring Operation: 34+3=37, Resulting Numbers: [51, 15, 37] Generated Node #0,1: 73:[51, 15, 37] Operation: 34+3=37 Exploring Operation: 34+15=49, Resulting Numbers: [51, 3, 49] Generated Node #0,2: 73:[51, 3, 49] Operation: 34+15=49 Exploring Operation: 34*3=102, Resulting Numbers: [51, 15, 102] Generated Node #0,3: 73:[51, 15, 102] Operation: 34*3=102 Exploring Operation: 51+3=54, Resulting Numbers: [34, 15, 54] Generated Node #0,4: 73:[34, 15, 54] Operation: 51+3=54 Moving to Node #0,0 Current State: 73:[34, 51, 45], Operations: ['3*15=45'] Exploring Operation: 34+51=85, Resulting Numbers: [45, 85] Generated Node #0,0,0: 73:[45, 85] Operation: 34+51=85 Exploring Operation: 51+45=96, Resulting Numbers: [34, 96] Generated Node #0,0,1: 73:[34, 96] Operation: 51+45=96 Exploring Operation: 45-34=11, Resulting Numbers: [51, 11] Generated Node #0,0,2: 73:[51, 11] Operation: 45-34=11 Exploring Operation: 34+45=79, Resulting Numbers: [51, 79] Generated Node #0,0,3: 73:[51, 79] Operation: 34+45=79 Exploring Operation: 51-34=17, Resulting Numbers: [45, 17] Generated Node #0,0,4: 73:[45, 17] Operation: 51-34=17 Moving to Node #0,3 Current State: 73:[51, 15, 102], Operations: ['34*3=102'] Exploring Operation: 51+15=66, Resulting Numbers: [102, 66] Generated Node #0,3,0: 73:[102, 66] Operation: 51+15=66 Exploring Operation: 51-15=36, Resulting Numbers: [102, 36] Generated Node #0,3,1: 73:[102, 36] Operation: 51-15=36 Exploring Operation: 102-15=87, Resulting Numbers: [51, 87] Generated Node #0,3,2: 73:[51, 87] Operation: 102-15=87 Exploring Operation: 102-51=51, Resulting Numbers: [15, 51] Generated Node #0,3,3: 73:[15, 51] Operation: 102-51=51 Exploring Operation: 15+102=117, Resulting Numbers: [51, 117] Generated Node #0,3,4: 73:[51, 117] Operation: 15+102=117 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 73:[102, 66], Operations: ['34*3=102', '51+15=66'] Exploring Operation: 102-66=36, Resulting Numbers: [36] 36,73 unequal: No Solution Exploring Operation: 102*66=6732, Resulting Numbers: [6732] 6732,73 unequal: No Solution Exploring Operation: 102+66=168, Resulting Numbers: [168] 168,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 73:[51, 87], Operations: ['34*3=102', '102-15=87'] Exploring Operation: 51+87=138, Resulting Numbers: [138] 138,73 unequal: No Solution Exploring Operation: 51*87=4437, Resulting Numbers: [4437] 4437,73 unequal: No Solution Exploring Operation: 87-51=36, Resulting Numbers: [36] 36,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 73:[102, 36], Operations: ['34*3=102', '51-15=36'] Exploring Operation: 102-36=66, Resulting Numbers: [66] 66,73 unequal: No Solution Exploring Operation: 102+36=138, Resulting Numbers: [138] 138,73 unequal: No Solution Exploring Operation: 102*36=3672, Resulting Numbers: [3672] 3672,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 73:[51, 117], Operations: ['34*3=102', '15+102=117'] Exploring Operation: 51+117=168, Resulting Numbers: [168] 168,73 unequal: No Solution Exploring Operation: 51*117=5967, Resulting Numbers: [5967] 5967,73 unequal: No Solution Exploring Operation: 117-51=66, Resulting Numbers: [66] 66,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 73:[15, 51], Operations: ['34*3=102', '102-51=51'] Exploring Operation: 51-15=36, Resulting Numbers: [36] 36,73 unequal: No Solution Exploring Operation: 15+51=66, Resulting Numbers: [66] 66,73 unequal: No Solution Exploring Operation: 15*51=765, Resulting Numbers: [765] 765,73 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: 73:[51, 15, 37], Operations: ['34+3=37'] Exploring Operation: 15+37=52, Resulting Numbers: [51, 52] Generated Node #0,1,0: 73:[51, 52] Operation: 15+37=52 Exploring Operation: 51-15=36, Resulting Numbers: [37, 36] Generated Node #0,1,1: 73:[37, 36] Operation: 51-15=36 Exploring Operation: 37-15=22, Resulting Numbers: [51, 22] Generated Node #0,1,2: 73:[51, 22] Operation: 37-15=22 Exploring Operation: 51+15=66, Resulting Numbers: [37, 66] Generated Node #0,1,3: 73:[37, 66] Operation: 51+15=66 Exploring Operation: 51+37=88, Resulting Numbers: [15, 88] Generated Node #0,1,4: 73:[15, 88] Operation: 51+37=88 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[51, 52], Operations: ['34+3=37', '15+37=52'] Exploring Operation: 51*52=2652, Resulting Numbers: [2652] 2652,73 unequal: No Solution Exploring Operation: 51+52=103, Resulting Numbers: [103] 103,73 unequal: No Solution Exploring Operation: 52-51=1, Resulting Numbers: [1] 1,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 73:[37, 66], Operations: ['34+3=37', '51+15=66'] Exploring Operation: 37+66=103, Resulting Numbers: [103] 103,73 unequal: No Solution Exploring Operation: 66-37=29, Resulting Numbers: [29] 29,73 unequal: No Solution Exploring Operation: 37*66=2442, Resulting Numbers: [2442] 2442,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[37, 36], Operations: ['34+3=37', '51-15=36'] Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,73 unequal: No Solution Exploring Operation: 37+36=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[34, 51, 3, 15], Operations: [] Exploring Operation: 34+3=37, Resulting Numbers: [51, 15, 37] Generated Node #0,1: 73:[51, 15, 37] Operation: 34+3=37 Moving to Node #0,1 Current State: 73:[51, 15, 37], Operations: ['34+3=37'] Exploring Operation: 51-15=36, Resulting Numbers: [37, 36] Generated Node #0,1,1: 73:[37, 36] Operation: 51-15=36 Moving to Node #0,1,1 Current State: 73:[37, 36], Operations: ['34+3=37', '51-15=36'] Exploring Operation: 37+36=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.959201
hs_5
sum_heuristic
[ 51, 66, 22, 63 ]
39
[ "66-63=3", "51/3=17", "22+17=39" ]
Current State: 39:[51, 66, 22, 63], Operations: [] Exploring Operation: 66-63=3, Resulting Numbers: [51, 22, 3] Generated Node #2: [51, 22, 3] from Operation: 66-63=3 Current State: 39:[51, 22, 3], Operations: ['66-63=3'] Exploring Operation: 51/3=17, Resulting Numbers: [22, 17] Generated Node #3: [22, 17] from Operation: 51/3=17 Current State: 39:[22, 17], Operations: ['66-63=3', '51/3=17'] Exploring Operation: 22+17=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[51, 66, 22, 63], Operations: [] Exploring Operation: 66-22=44, Resulting Numbers: [51, 63, 44] Generated Node #0,0: 39:[51, 63, 44] Operation: 66-22=44 Exploring Operation: 66-51=15, Resulting Numbers: [22, 63, 15] Generated Node #0,1: 39:[22, 63, 15] Operation: 66-51=15 Exploring Operation: 63-51=12, Resulting Numbers: [66, 22, 12] Generated Node #0,2: 39:[66, 22, 12] Operation: 63-51=12 Exploring Operation: 66-63=3, Resulting Numbers: [51, 22, 3] Generated Node #0,3: 39:[51, 22, 3] Operation: 66-63=3 Exploring Operation: 66/22=3, Resulting Numbers: [51, 63, 3] Generated Node #0,4: 39:[51, 63, 3] Operation: 66/22=3 Start Sub Search at level 1: Moving to Node #0,3 Current State: 39:[51, 22, 3], Operations: ['66-63=3'] Exploring Operation: 51+3=54, Resulting Numbers: [22, 54] Generated Node #0,3,0: 39:[22, 54] Operation: 51+3=54 Exploring Operation: 51-3=48, Resulting Numbers: [22, 48] Generated Node #0,3,1: 39:[22, 48] Operation: 51-3=48 Exploring Operation: 22-3=19, Resulting Numbers: [51, 19] Generated Node #0,3,2: 39:[51, 19] Operation: 22-3=19 Exploring Operation: 51/3=17, Resulting Numbers: [22, 17] Generated Node #0,3,3: 39:[22, 17] Operation: 51/3=17 Exploring Operation: 51-22=29, Resulting Numbers: [3, 29] Generated Node #0,3,4: 39:[3, 29] Operation: 51-22=29 Moving to Node #0,3,4 Current State: 39:[3, 29], Operations: ['66-63=3', '51-22=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,39 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,39 unequal: No Solution Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,39 unequal: No Solution Moving to Node #0,3,3 Current State: 39:[22, 17], Operations: ['66-63=3', '51/3=17'] Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 22+17=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[51, 66, 22, 63], Operations: [] Exploring Operation: 66-63=3, Resulting Numbers: [51, 22, 3] Generated Node #0,3: 39:[51, 22, 3] Operation: 66-63=3 Moving to Node #0,3 Current State: 39:[51, 22, 3], Operations: ['66-63=3'] Exploring Operation: 51/3=17, Resulting Numbers: [22, 17] Generated Node #0,3,3: 39:[22, 17] Operation: 51/3=17 Moving to Node #0,3,3 Current State: 39:[22, 17], Operations: ['66-63=3', '51/3=17'] Exploring Operation: 22+17=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 12, 84, 2, 97 ]
14
[ "97-84=13", "2*13=26", "26-12=14" ]
Current State: 14:[12, 84, 2, 97], Operations: [] Exploring Operation: 97-84=13, Resulting Numbers: [12, 2, 13] Generated Node #2: [12, 2, 13] from Operation: 97-84=13 Current State: 14:[12, 2, 13], Operations: ['97-84=13'] Exploring Operation: 2*13=26, Resulting Numbers: [12, 26] Generated Node #3: [12, 26] from Operation: 2*13=26 Current State: 14:[12, 26], Operations: ['97-84=13', '2*13=26'] Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[12, 84, 2, 97], Operations: [] Exploring Operation: 84/12=7, Resulting Numbers: [2, 97, 7] Generated Node #0,0: 14:[2, 97, 7] Operation: 84/12=7 Exploring Operation: 97-84=13, Resulting Numbers: [12, 2, 13] Generated Node #0,1: 14:[12, 2, 13] Operation: 97-84=13 Exploring Operation: 84/2=42, Resulting Numbers: [12, 97, 42] Generated Node #0,2: 14:[12, 97, 42] Operation: 84/2=42 Exploring Operation: 84-12=72, Resulting Numbers: [2, 97, 72] Generated Node #0,3: 14:[2, 97, 72] Operation: 84-12=72 Exploring Operation: 97-12=85, Resulting Numbers: [84, 2, 85] Generated Node #0,4: 14:[84, 2, 85] Operation: 97-12=85 Moving to Node #0,1 Current State: 14:[12, 2, 13], Operations: ['97-84=13'] Exploring Operation: 12+2=14, Resulting Numbers: [13, 14] Generated Node #0,1,0: 14:[13, 14] Operation: 12+2=14 Exploring Operation: 12/2=6, Resulting Numbers: [13, 6] Generated Node #0,1,1: 14:[13, 6] Operation: 12/2=6 Exploring Operation: 2+13=15, Resulting Numbers: [12, 15] Generated Node #0,1,2: 14:[12, 15] Operation: 2+13=15 Exploring Operation: 13-12=1, Resulting Numbers: [2, 1] Generated Node #0,1,3: 14:[2, 1] Operation: 13-12=1 Exploring Operation: 12-2=10, Resulting Numbers: [13, 10] Generated Node #0,1,4: 14:[13, 10] Operation: 12-2=10 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 14:[13, 14], Operations: ['97-84=13', '12+2=14'] Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 13+14=27, Resulting Numbers: [27] 27,14 unequal: No Solution Exploring Operation: 13*14=182, Resulting Numbers: [182] 182,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 14:[2, 1], Operations: ['97-84=13', '13-12=1'] Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,14 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,14 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 14:[13, 6], Operations: ['97-84=13', '12/2=6'] Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,14 unequal: No Solution Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,14 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 14:[12, 15], Operations: ['97-84=13', '2+13=15'] Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,14 unequal: No Solution Exploring Operation: 12*15=180, Resulting Numbers: [180] 180,14 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 14:[13, 10], Operations: ['97-84=13', '12-2=10'] Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,14 unequal: No Solution Exploring Operation: 13*10=130, Resulting Numbers: [130] 130,14 unequal: No Solution Exploring Operation: 13+10=23, Resulting Numbers: [23] 23,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 14:[2, 97, 7], Operations: ['84/12=7'] Exploring Operation: 97-7=90, Resulting Numbers: [2, 90] Generated Node #0,0,0: 14:[2, 90] Operation: 97-7=90 Exploring Operation: 2*7=14, Resulting Numbers: [97, 14] Generated Node #0,0,1: 14:[97, 14] Operation: 2*7=14 Exploring Operation: 97-2=95, Resulting Numbers: [7, 95] Generated Node #0,0,2: 14:[7, 95] Operation: 97-2=95 Exploring Operation: 2+7=9, Resulting Numbers: [97, 9] Generated Node #0,0,3: 14:[97, 9] Operation: 2+7=9 Exploring Operation: 2+97=99, Resulting Numbers: [7, 99] Generated Node #0,0,4: 14:[7, 99] Operation: 2+97=99 Moving to Node #0,2 Current State: 14:[12, 97, 42], Operations: ['84/2=42'] Exploring Operation: 12+97=109, Resulting Numbers: [42, 109] Generated Node #0,2,0: 14:[42, 109] Operation: 12+97=109 Exploring Operation: 97-12=85, Resulting Numbers: [42, 85] Generated Node #0,2,1: 14:[42, 85] Operation: 97-12=85 Exploring Operation: 12+42=54, Resulting Numbers: [97, 54] Generated Node #0,2,2: 14:[97, 54] Operation: 12+42=54 Exploring Operation: 42-12=30, Resulting Numbers: [97, 30] Generated Node #0,2,3: 14:[97, 30] Operation: 42-12=30 Exploring Operation: 97-42=55, Resulting Numbers: [12, 55] Generated Node #0,2,4: 14:[12, 55] Operation: 97-42=55 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 14:[12, 55], Operations: ['84/2=42', '97-42=55'] Exploring Operation: 12*55=660, Resulting Numbers: [660] 660,14 unequal: No Solution Exploring Operation: 12+55=67, Resulting Numbers: [67] 67,14 unequal: No Solution Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 14:[42, 85], Operations: ['84/2=42', '97-12=85'] Exploring Operation: 85-42=43, Resulting Numbers: [43] 43,14 unequal: No Solution Exploring Operation: 42*85=3570, Resulting Numbers: [3570] 3570,14 unequal: No Solution Exploring Operation: 42+85=127, Resulting Numbers: [127] 127,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 14:[97, 30], Operations: ['84/2=42', '42-12=30'] Exploring Operation: 97+30=127, Resulting Numbers: [127] 127,14 unequal: No Solution Exploring Operation: 97-30=67, Resulting Numbers: [67] 67,14 unequal: No Solution Exploring Operation: 97*30=2910, Resulting Numbers: [2910] 2910,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 14:[42, 109], Operations: ['84/2=42', '12+97=109'] Exploring Operation: 42*109=4578, Resulting Numbers: [4578] 4578,14 unequal: No Solution Exploring Operation: 109-42=67, Resulting Numbers: [67] 67,14 unequal: No Solution Exploring Operation: 42+109=151, Resulting Numbers: [151] 151,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 14:[97, 54], Operations: ['84/2=42', '12+42=54'] Exploring Operation: 97+54=151, Resulting Numbers: [151] 151,14 unequal: No Solution Exploring Operation: 97-54=43, Resulting Numbers: [43] 43,14 unequal: No Solution Exploring Operation: 97*54=5238, Resulting Numbers: [5238] 5238,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 14:[2, 97, 72], Operations: ['84-12=72'] Exploring Operation: 2+97=99, Resulting Numbers: [72, 99] Generated Node #0,3,0: 14:[72, 99] Operation: 2+97=99 Exploring Operation: 97-72=25, Resulting Numbers: [2, 25] Generated Node #0,3,1: 14:[2, 25] Operation: 97-72=25 Exploring Operation: 72-2=70, Resulting Numbers: [97, 70] Generated Node #0,3,2: 14:[97, 70] Operation: 72-2=70 Exploring Operation: 97-2=95, Resulting Numbers: [72, 95] Generated Node #0,3,3: 14:[72, 95] Operation: 97-2=95 Exploring Operation: 72/2=36, Resulting Numbers: [97, 36] Generated Node #0,3,4: 14:[97, 36] Operation: 72/2=36 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 14:[2, 25], Operations: ['84-12=72', '97-72=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,14 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,14 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 14:[97, 36], Operations: ['84-12=72', '72/2=36'] Exploring Operation: 97-36=61, Resulting Numbers: [61] 61,14 unequal: No Solution Exploring Operation: 97*36=3492, Resulting Numbers: [3492] 3492,14 unequal: No Solution Exploring Operation: 97+36=133, Resulting Numbers: [133] 133,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 14:[97, 70], Operations: ['84-12=72', '72-2=70'] Exploring Operation: 97*70=6790, Resulting Numbers: [6790] 6790,14 unequal: No Solution Exploring Operation: 97+70=167, Resulting Numbers: [167] 167,14 unequal: No Solution Exploring Operation: 97-70=27, Resulting Numbers: [27] 27,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 14:[72, 95], Operations: ['84-12=72', '97-2=95'] Exploring Operation: 72*95=6840, Resulting Numbers: [6840] 6840,14 unequal: No Solution Exploring Operation: 72+95=167, Resulting Numbers: [167] 167,14 unequal: No Solution Exploring Operation: 95-72=23, Resulting Numbers: [23] 23,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 14:[72, 99], Operations: ['84-12=72', '2+97=99'] Exploring Operation: 72+99=171, Resulting Numbers: [171] 171,14 unequal: No Solution Exploring Operation: 72*99=7128, Resulting Numbers: [7128] 7128,14 unequal: No Solution Exploring Operation: 99-72=27, Resulting Numbers: [27] 27,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 14:[84, 2, 85], Operations: ['97-12=85'] Exploring Operation: 84+2=86, Resulting Numbers: [85, 86] Generated Node #0,4,0: 14:[85, 86] Operation: 84+2=86 Exploring Operation: 84/2=42, Resulting Numbers: [85, 42] Generated Node #0,4,1: 14:[85, 42] Operation: 84/2=42 Exploring Operation: 84-2=82, Resulting Numbers: [85, 82] Generated Node #0,4,2: 14:[85, 82] Operation: 84-2=82 Exploring Operation: 85-84=1, Resulting Numbers: [2, 1] Generated Node #0,4,3: 14:[2, 1] Operation: 85-84=1 Exploring Operation: 85-2=83, Resulting Numbers: [84, 83] Generated Node #0,4,4: 14:[84, 83] Operation: 85-2=83 Moving to Node #0,4,3 Current State: 14:[2, 1], Operations: ['97-12=85', '85-84=1'] Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,14 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,14 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[2, 90], Operations: ['84/12=7', '97-7=90'] Exploring Operation: 2*90=180, Resulting Numbers: [180] 180,14 unequal: No Solution Exploring Operation: 2+90=92, Resulting Numbers: [92] 92,14 unequal: No Solution Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,14 unequal: No Solution Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,14 unequal: No Solution Moving to Node #0,0,2 Current State: 14:[7, 95], Operations: ['84/12=7', '97-2=95'] Exploring Operation: 95-7=88, Resulting Numbers: [88] 88,14 unequal: No Solution Exploring Operation: 7*95=665, Resulting Numbers: [665] 665,14 unequal: No Solution Exploring Operation: 7+95=102, Resulting Numbers: [102] 102,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[97, 14], Operations: ['84/12=7', '2*7=14'] Exploring Operation: 97*14=1358, Resulting Numbers: [1358] 1358,14 unequal: No Solution Exploring Operation: 97-14=83, Resulting Numbers: [83] 83,14 unequal: No Solution Exploring Operation: 97+14=111, Resulting Numbers: [111] 111,14 unequal: No Solution Moving to Node #0,0,4 Current State: 14:[7, 99], Operations: ['84/12=7', '2+97=99'] Exploring Operation: 99-7=92, Resulting Numbers: [92] 92,14 unequal: No Solution Exploring Operation: 7+99=106, Resulting Numbers: [106] 106,14 unequal: No Solution Exploring Operation: 7*99=693, Resulting Numbers: [693] 693,14 unequal: No Solution Moving to Node #0,0,3 Current State: 14:[97, 9], Operations: ['84/12=7', '2+7=9'] Exploring Operation: 97-9=88, Resulting Numbers: [88] 88,14 unequal: No Solution Exploring Operation: 97*9=873, Resulting Numbers: [873] 873,14 unequal: No Solution Exploring Operation: 97+9=106, Resulting Numbers: [106] 106,14 unequal: No Solution Moving to Node #0,4,1 Current State: 14:[85, 42], Operations: ['97-12=85', '84/2=42'] Exploring Operation: 85+42=127, Resulting Numbers: [127] 127,14 unequal: No Solution Exploring Operation: 85-42=43, Resulting Numbers: [43] 43,14 unequal: No Solution Exploring Operation: 85*42=3570, Resulting Numbers: [3570] 3570,14 unequal: No Solution Moving to Node #0,4,4 Current State: 14:[84, 83], Operations: ['97-12=85', '85-2=83'] Exploring Operation: 84-83=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 84+83=167, Resulting Numbers: [167] 167,14 unequal: No Solution Exploring Operation: 84*83=6972, Resulting Numbers: [6972] 6972,14 unequal: No Solution Moving to Node #0,4,2 Current State: 14:[85, 82], Operations: ['97-12=85', '84-2=82'] Exploring Operation: 85-82=3, Resulting Numbers: [3] 3,14 unequal: No Solution Exploring Operation: 85+82=167, Resulting Numbers: [167] 167,14 unequal: No Solution Exploring Operation: 85*82=6970, Resulting Numbers: [6970] 6970,14 unequal: No Solution Moving to Node #0,4,0 Current State: 14:[85, 86], Operations: ['97-12=85', '84+2=86'] Exploring Operation: 86-85=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 85+86=171, Resulting Numbers: [171] 171,14 unequal: No Solution Exploring Operation: 85*86=7310, Resulting Numbers: [7310] 7310,14 unequal: No Solution No solution found.
0
hs_5
mult_heuristic