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
[ 77, 84, 37, 46 ]
16
[ "84-77=7", "46-37=9", "7+9=16" ]
Current State: 16:[77, 84, 37, 46], Operations: [] Exploring Operation: 84-77=7, Resulting Numbers: [37, 46, 7] Generated Node #2: [37, 46, 7] from Operation: 84-77=7 Current State: 16:[37, 46, 7], Operations: ['84-77=7'] Exploring Operation: 46-37=9, Resulting Numbers: [7, 9] Generated Node #3: [7, 9] from Operation: 46-37=9 Current State: 16:[7, 9], Operations: ['84-77=7', '46-37=9'] Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[77, 84, 37, 46], Operations: [] Exploring Operation: 84-77=7, Resulting Numbers: [37, 46, 7] Generated Node #0,0: 16:[37, 46, 7] Operation: 84-77=7 Exploring Operation: 77-46=31, Resulting Numbers: [84, 37, 31] Generated Node #0,1: 16:[84, 37, 31] Operation: 77-46=31 Exploring Operation: 84-46=38, Resulting Numbers: [77, 37, 38] Generated Node #0,2: 16:[77, 37, 38] Operation: 84-46=38 Moving to Node #0,0 Current State: 16:[37, 46, 7], Operations: ['84-77=7'] Exploring Operation: 46-37=9, Resulting Numbers: [7, 9] Generated Node #0,0,0: 16:[7, 9] Operation: 46-37=9 Exploring Operation: 46-7=39, Resulting Numbers: [37, 39] Generated Node #0,0,1: 16:[37, 39] Operation: 46-7=39 Exploring Operation: 37-7=30, Resulting Numbers: [46, 30] Generated Node #0,0,2: 16:[46, 30] Operation: 37-7=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[7, 9], Operations: ['84-77=7', '46-37=9'] Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[77, 84, 37, 46], Operations: [] Exploring Operation: 84-77=7, Resulting Numbers: [37, 46, 7] Generated Node #0,0: 16:[37, 46, 7] Operation: 84-77=7 Moving to Node #0,0 Current State: 16:[37, 46, 7], Operations: ['84-77=7'] Exploring Operation: 46-37=9, Resulting Numbers: [7, 9] Generated Node #0,0,0: 16:[7, 9] Operation: 46-37=9 Moving to Node #0,0,0 Current State: 16:[7, 9], Operations: ['84-77=7', '46-37=9'] Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 77, 95, 15, 85 ]
72
[ "77+95=172", "15+85=100", "172-100=72" ]
Current State: 72:[77, 95, 15, 85], Operations: [] Exploring Operation: 77+95=172, Resulting Numbers: [15, 85, 172] Generated Node #2: [15, 85, 172] from Operation: 77+95=172 Current State: 72:[15, 85, 172], Operations: ['77+95=172'] Exploring Operation: 15+85=100, Resulting Numbers: [172, 100] Generated Node #3: [172, 100] from Operation: 15+85=100 Current State: 72:[172, 100], Operations: ['77+95=172', '15+85=100'] Exploring Operation: 172-100=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[77, 95, 15, 85], Operations: [] Exploring Operation: 95-77=18, Resulting Numbers: [15, 85, 18] Generated Node #0,0: 72:[15, 85, 18] Operation: 95-77=18 Exploring Operation: 95-85=10, Resulting Numbers: [77, 15, 10] Generated Node #0,1: 72:[77, 15, 10] Operation: 95-85=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[77, 15, 10], Operations: ['95-85=10'] Exploring Operation: 15+10=25, Resulting Numbers: [77, 25] Generated Node #0,1,0: 72:[77, 25] Operation: 15+10=25 Exploring Operation: 15-10=5, Resulting Numbers: [77, 5] Generated Node #0,1,1: 72:[77, 5] Operation: 15-10=5 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 72:[77, 25], Operations: ['95-85=10', '15+10=25'] Exploring Operation: 77+25=102, Resulting Numbers: [102] 102,72 unequal: No Solution Exploring Operation: 77-25=52, Resulting Numbers: [52] 52,72 unequal: No Solution No 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: 72:[77, 5], Operations: ['95-85=10', '15-10=5'] Exploring Operation: 77-5=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[77, 95, 15, 85], Operations: [] Exploring Operation: 95-85=10, Resulting Numbers: [77, 15, 10] Generated Node #0,1: 72:[77, 15, 10] Operation: 95-85=10 Moving to Node #0,1 Current State: 72:[77, 15, 10], Operations: ['95-85=10'] Exploring Operation: 15-10=5, Resulting Numbers: [77, 5] Generated Node #0,1,1: 72:[77, 5] Operation: 15-10=5 Moving to Node #0,1,1 Current State: 72:[77, 5], Operations: ['95-85=10', '15-10=5'] Exploring Operation: 77-5=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 33, 7, 21, 24 ]
90
[ "33+24=57", "7*21=147", "147-57=90" ]
Current State: 90:[33, 7, 21, 24], Operations: [] Exploring Operation: 33+24=57, Resulting Numbers: [7, 21, 57] Generated Node #2: [7, 21, 57] from Operation: 33+24=57 Current State: 90:[7, 21, 57], Operations: ['33+24=57'] Exploring Operation: 7*21=147, Resulting Numbers: [57, 147] Generated Node #3: [57, 147] from Operation: 7*21=147 Current State: 90:[57, 147], Operations: ['33+24=57', '7*21=147'] Exploring Operation: 147-57=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[33, 7, 21, 24], Operations: [] Exploring Operation: 33-24=9, Resulting Numbers: [7, 21, 9] Generated Node #0,0: 90:[7, 21, 9] Operation: 33-24=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[7, 21, 9], Operations: ['33-24=9'] Exploring Operation: 21/7=3, Resulting Numbers: [9, 3] Generated Node #0,0,0: 90:[9, 3] Operation: 21/7=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[9, 3], Operations: ['33-24=9', '21/7=3'] Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 35, 66, 7, 65 ]
43
[ "35+66=101", "65-7=58", "101-58=43" ]
Current State: 43:[35, 66, 7, 65], Operations: [] Exploring Operation: 35+66=101, Resulting Numbers: [7, 65, 101] Generated Node #2: [7, 65, 101] from Operation: 35+66=101 Current State: 43:[7, 65, 101], Operations: ['35+66=101'] Exploring Operation: 65-7=58, Resulting Numbers: [101, 58] Generated Node #3: [101, 58] from Operation: 65-7=58 Current State: 43:[101, 58], Operations: ['35+66=101', '65-7=58'] Exploring Operation: 101-58=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[35, 66, 7, 65], Operations: [] Exploring Operation: 35+7=42, Resulting Numbers: [66, 65, 42] Generated Node #0,0: 43:[66, 65, 42] Operation: 35+7=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[66, 65, 42], Operations: ['35+7=42'] Exploring Operation: 66-42=24, Resulting Numbers: [65, 24] Generated Node #0,0,0: 43:[65, 24] Operation: 66-42=24 Moving to Node #0,0,0 Current State: 43:[65, 24], Operations: ['35+7=42', '66-42=24'] Exploring Operation: 65-24=41, Resulting Numbers: [41] 41,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 3, 44, 86, 23 ]
23
[ "3*44=132", "86+23=109", "132-109=23" ]
Current State: 23:[3, 44, 86, 23], Operations: [] Exploring Operation: 3*44=132, Resulting Numbers: [86, 23, 132] Generated Node #2: [86, 23, 132] from Operation: 3*44=132 Current State: 23:[86, 23, 132], Operations: ['3*44=132'] Exploring Operation: 86+23=109, Resulting Numbers: [132, 109] Generated Node #3: [132, 109] from Operation: 86+23=109 Current State: 23:[132, 109], Operations: ['3*44=132', '86+23=109'] Exploring Operation: 132-109=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[3, 44, 86, 23], Operations: [] Exploring Operation: 86-44=42, Resulting Numbers: [3, 23, 42] Generated Node #0,0: 23:[3, 23, 42] Operation: 86-44=42 Moving to Node #0,0 Current State: 23:[3, 23, 42], Operations: ['86-44=42'] Exploring Operation: 42/3=14, Resulting Numbers: [23, 14] Generated Node #0,0,0: 23:[23, 14] Operation: 42/3=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[23, 14], Operations: ['86-44=42', '42/3=14'] Exploring Operation: 23+14=37, Resulting Numbers: [37] 37,23 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
[ 15, 67, 86, 82 ]
78
[ "15+67=82", "86-82=4", "82-4=78" ]
Current State: 78:[15, 67, 86, 82], Operations: [] Exploring Operation: 15+67=82, Resulting Numbers: [86, 82, 82] Generated Node #2: [86, 82, 82] from Operation: 15+67=82 Current State: 78:[86, 82, 82], Operations: ['15+67=82'] Exploring Operation: 86-82=4, Resulting Numbers: [4] 4,78 equal: Goal Reached Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[15, 67, 86, 82], Operations: [] Exploring Operation: 86-67=19, Resulting Numbers: [15, 82, 19] Generated Node #0,0: 78:[15, 82, 19] Operation: 86-67=19 Moving to Node #0,0 Current State: 78:[15, 82, 19], Operations: ['86-67=19'] Exploring Operation: 19-15=4, Resulting Numbers: [82, 4] Generated Node #0,0,0: 78:[82, 4] Operation: 19-15=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[82, 4], Operations: ['86-67=19', '19-15=4'] Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[15, 67, 86, 82], Operations: [] Exploring Operation: 86-67=19, Resulting Numbers: [15, 82, 19] Generated Node #0,0: 78:[15, 82, 19] Operation: 86-67=19 Moving to Node #0,0 Current State: 78:[15, 82, 19], Operations: ['86-67=19'] Exploring Operation: 19-15=4, Resulting Numbers: [82, 4] Generated Node #0,0,0: 78:[82, 4] Operation: 19-15=4 Moving to Node #0,0,0 Current State: 78:[82, 4], Operations: ['86-67=19', '19-15=4'] Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 72, 75, 83, 2 ]
62
[ "72+75=147", "83+2=85", "147-85=62" ]
Current State: 62:[72, 75, 83, 2], Operations: [] Exploring Operation: 72+75=147, Resulting Numbers: [83, 2, 147] Generated Node #2: [83, 2, 147] from Operation: 72+75=147 Current State: 62:[83, 2, 147], Operations: ['72+75=147'] Exploring Operation: 83+2=85, Resulting Numbers: [147, 85] Generated Node #3: [147, 85] from Operation: 83+2=85 Current State: 62:[147, 85], Operations: ['72+75=147', '83+2=85'] Exploring Operation: 147-85=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[72, 75, 83, 2], Operations: [] Exploring Operation: 75-72=3, Resulting Numbers: [83, 2, 3] Generated Node #0,0: 62:[83, 2, 3] Operation: 75-72=3 Exploring Operation: 83-75=8, Resulting Numbers: [72, 2, 8] Generated Node #0,1: 62:[72, 2, 8] Operation: 83-75=8 Moving to Node #0,1 Current State: 62:[72, 2, 8], Operations: ['83-75=8'] Exploring Operation: 72-8=64, Resulting Numbers: [2, 64] Generated Node #0,1,0: 62:[2, 64] Operation: 72-8=64 Exploring Operation: 72/8=9, Resulting Numbers: [2, 9] Generated Node #0,1,1: 62:[2, 9] Operation: 72/8=9 Moving to Node #0,0 Current State: 62:[83, 2, 3], Operations: ['75-72=3'] Exploring Operation: 83-3=80, Resulting Numbers: [2, 80] Generated Node #0,0,0: 62:[2, 80] Operation: 83-3=80 Exploring Operation: 83-2=81, Resulting Numbers: [3, 81] Generated Node #0,0,1: 62:[3, 81] Operation: 83-2=81 Moving to Node #0,1,0 Current State: 62:[2, 64], Operations: ['83-75=8', '72-8=64'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[72, 75, 83, 2], Operations: [] Exploring Operation: 83-75=8, Resulting Numbers: [72, 2, 8] Generated Node #0,1: 62:[72, 2, 8] Operation: 83-75=8 Moving to Node #0,1 Current State: 62:[72, 2, 8], Operations: ['83-75=8'] Exploring Operation: 72-8=64, Resulting Numbers: [2, 64] Generated Node #0,1,0: 62:[2, 64] Operation: 72-8=64 Moving to Node #0,1,0 Current State: 62:[2, 64], Operations: ['83-75=8', '72-8=64'] Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
0.989583
hs_2
sum_heuristic
[ 70, 20, 7, 84 ]
13
[ "70+20=90", "84-7=77", "90-77=13" ]
Current State: 13:[70, 20, 7, 84], Operations: [] Exploring Operation: 70+20=90, Resulting Numbers: [7, 84, 90] Generated Node #2: [7, 84, 90] from Operation: 70+20=90 Current State: 13:[7, 84, 90], Operations: ['70+20=90'] Exploring Operation: 84-7=77, Resulting Numbers: [90, 77] Generated Node #3: [90, 77] from Operation: 84-7=77 Current State: 13:[90, 77], Operations: ['70+20=90', '84-7=77'] Exploring Operation: 90-77=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[70, 20, 7, 84], Operations: [] Exploring Operation: 84-20=64, Resulting Numbers: [70, 7, 64] Generated Node #0,0: 13:[70, 7, 64] Operation: 84-20=64 Exploring Operation: 84/7=12, Resulting Numbers: [70, 20, 12] Generated Node #0,1: 13:[70, 20, 12] Operation: 84/7=12 Exploring Operation: 70-20=50, Resulting Numbers: [7, 84, 50] Generated Node #0,2: 13:[7, 84, 50] Operation: 70-20=50 Exploring Operation: 84-70=14, Resulting Numbers: [20, 7, 14] Generated Node #0,3: 13:[20, 7, 14] Operation: 84-70=14 Exploring Operation: 70/7=10, Resulting Numbers: [20, 84, 10] Generated Node #0,4: 13:[20, 84, 10] Operation: 70/7=10 Start Sub Search at level 1: Moving to Node #0,3 Current State: 13:[20, 7, 14], Operations: ['84-70=14'] Exploring Operation: 7+14=21, Resulting Numbers: [20, 21] Generated Node #0,3,0: 13:[20, 21] Operation: 7+14=21 Exploring Operation: 20+7=27, Resulting Numbers: [14, 27] Generated Node #0,3,1: 13:[14, 27] Operation: 20+7=27 Exploring Operation: 20-14=6, Resulting Numbers: [7, 6] Generated Node #0,3,2: 13:[7, 6] Operation: 20-14=6 Exploring Operation: 14-7=7, Resulting Numbers: [20, 7] Generated Node #0,3,3: 13:[20, 7] Operation: 14-7=7 Exploring Operation: 20-7=13, Resulting Numbers: [14, 13] Generated Node #0,3,4: 13:[14, 13] Operation: 20-7=13 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 13:[14, 13], Operations: ['84-70=14', '20-7=13'] Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 14*13=182, Resulting Numbers: [182] 182,13 unequal: No Solution Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,13 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 #0,3,2 Current State: 13:[7, 6], Operations: ['84-70=14', '20-14=6'] Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[70, 20, 7, 84], Operations: [] Exploring Operation: 84-70=14, Resulting Numbers: [20, 7, 14] Generated Node #0,3: 13:[20, 7, 14] Operation: 84-70=14 Moving to Node #0,3 Current State: 13:[20, 7, 14], Operations: ['84-70=14'] Exploring Operation: 20-14=6, Resulting Numbers: [7, 6] Generated Node #0,3,2: 13:[7, 6] Operation: 20-14=6 Moving to Node #0,3,2 Current State: 13:[7, 6], Operations: ['84-70=14', '20-14=6'] Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 84, 87, 2, 25 ]
47
[ "87-84=3", "2*25=50", "50-3=47" ]
Current State: 47:[84, 87, 2, 25], Operations: [] Exploring Operation: 87-84=3, Resulting Numbers: [2, 25, 3] Generated Node #2: [2, 25, 3] from Operation: 87-84=3 Current State: 47:[2, 25, 3], Operations: ['87-84=3'] Exploring Operation: 2*25=50, Resulting Numbers: [3, 50] Generated Node #3: [3, 50] from Operation: 2*25=50 Current State: 47:[3, 50], Operations: ['87-84=3', '2*25=50'] Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[84, 87, 2, 25], Operations: [] Exploring Operation: 2*25=50, Resulting Numbers: [84, 87, 50] Generated Node #0,0: 47:[84, 87, 50] Operation: 2*25=50 Exploring Operation: 84/2=42, Resulting Numbers: [87, 25, 42] Generated Node #0,1: 47:[87, 25, 42] Operation: 84/2=42 Moving to Node #0,1 Current State: 47:[87, 25, 42], Operations: ['84/2=42'] Exploring Operation: 87-42=45, Resulting Numbers: [25, 45] Generated Node #0,1,0: 47:[25, 45] Operation: 87-42=45 Exploring Operation: 87-25=62, Resulting Numbers: [42, 62] Generated Node #0,1,1: 47:[42, 62] Operation: 87-25=62 Moving to Node #0,0 Current State: 47:[84, 87, 50], Operations: ['2*25=50'] Exploring Operation: 87-50=37, Resulting Numbers: [84, 37] Generated Node #0,0,0: 47:[84, 37] Operation: 87-50=37 Exploring Operation: 87-84=3, Resulting Numbers: [50, 3] Generated Node #0,0,1: 47:[50, 3] Operation: 87-84=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[84, 37], Operations: ['2*25=50', '87-50=37'] Exploring Operation: 84-37=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[84, 87, 2, 25], Operations: [] Exploring Operation: 2*25=50, Resulting Numbers: [84, 87, 50] Generated Node #0,0: 47:[84, 87, 50] Operation: 2*25=50 Moving to Node #0,0 Current State: 47:[84, 87, 50], Operations: ['2*25=50'] Exploring Operation: 87-50=37, Resulting Numbers: [84, 37] Generated Node #0,0,0: 47:[84, 37] Operation: 87-50=37 Moving to Node #0,0,0 Current State: 47:[84, 37], Operations: ['2*25=50', '87-50=37'] Exploring Operation: 84-37=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 84, 11, 23, 1 ]
30
[ "11+1=12", "84/12=7", "23+7=30" ]
Current State: 30:[84, 11, 23, 1], Operations: [] Exploring Operation: 11+1=12, Resulting Numbers: [84, 23, 12] Generated Node #2: [84, 23, 12] from Operation: 11+1=12 Current State: 30:[84, 23, 12], Operations: ['11+1=12'] Exploring Operation: 84/12=7, Resulting Numbers: [23, 7] Generated Node #3: [23, 7] from Operation: 84/12=7 Current State: 30:[23, 7], Operations: ['11+1=12', '84/12=7'] Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[84, 11, 23, 1], Operations: [] Exploring Operation: 84-23=61, Resulting Numbers: [11, 1, 61] Generated Node #0,0: 30:[11, 1, 61] Operation: 84-23=61 Moving to Node #0,0 Current State: 30:[11, 1, 61], Operations: ['84-23=61'] Exploring Operation: 61-11=50, Resulting Numbers: [1, 50] Generated Node #0,0,0: 30:[1, 50] Operation: 61-11=50 Moving to Node #0,0,0 Current State: 30:[1, 50], Operations: ['84-23=61', '61-11=50'] Exploring Operation: 50-1=49, Resulting Numbers: [49] 49,30 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 49, 62, 13, 97 ]
27
[ "49+62=111", "97-13=84", "111-84=27" ]
Current State: 27:[49, 62, 13, 97], Operations: [] Exploring Operation: 49+62=111, Resulting Numbers: [13, 97, 111] Generated Node #2: [13, 97, 111] from Operation: 49+62=111 Current State: 27:[13, 97, 111], Operations: ['49+62=111'] Exploring Operation: 97-13=84, Resulting Numbers: [111, 84] Generated Node #3: [111, 84] from Operation: 97-13=84 Current State: 27:[111, 84], Operations: ['49+62=111', '97-13=84'] Exploring Operation: 111-84=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[49, 62, 13, 97], Operations: [] Exploring Operation: 97-62=35, Resulting Numbers: [49, 13, 35] Generated Node #0,0: 27:[49, 13, 35] Operation: 97-62=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[49, 13, 35], Operations: ['97-62=35'] Exploring Operation: 49-35=14, Resulting Numbers: [13, 14] Generated Node #0,0,0: 27:[13, 14] Operation: 49-35=14 Moving to Node #0,0,0 Current State: 27:[13, 14], Operations: ['97-62=35', '49-35=14'] Exploring Operation: 13+14=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[49, 62, 13, 97], Operations: [] Exploring Operation: 97-62=35, Resulting Numbers: [49, 13, 35] Generated Node #0,0: 27:[49, 13, 35] Operation: 97-62=35 Moving to Node #0,0 Current State: 27:[49, 13, 35], Operations: ['97-62=35'] Exploring Operation: 49-35=14, Resulting Numbers: [13, 14] Generated Node #0,0,0: 27:[13, 14] Operation: 49-35=14 Moving to Node #0,0,0 Current State: 27:[13, 14], Operations: ['97-62=35', '49-35=14'] Exploring Operation: 13+14=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 76, 69, 28, 73 ]
36
[ "73-69=4", "28*4=112", "112-76=36" ]
Current State: 36:[76, 69, 28, 73], Operations: [] Exploring Operation: 73-69=4, Resulting Numbers: [76, 28, 4] Generated Node #2: [76, 28, 4] from Operation: 73-69=4 Current State: 36:[76, 28, 4], Operations: ['73-69=4'] Exploring Operation: 28*4=112, Resulting Numbers: [76, 112] Generated Node #3: [76, 112] from Operation: 28*4=112 Current State: 36:[76, 112], Operations: ['73-69=4', '28*4=112'] Exploring Operation: 112-76=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[76, 69, 28, 73], Operations: [] Exploring Operation: 76-73=3, Resulting Numbers: [69, 28, 3] Generated Node #0,0: 36:[69, 28, 3] Operation: 76-73=3 Exploring Operation: 76-69=7, Resulting Numbers: [28, 73, 7] Generated Node #0,1: 36:[28, 73, 7] Operation: 76-69=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[69, 28, 3], Operations: ['76-73=3'] Exploring Operation: 69/3=23, Resulting Numbers: [28, 23] Generated Node #0,0,0: 36:[28, 23] Operation: 69/3=23 Exploring Operation: 69-28=41, Resulting Numbers: [3, 41] Generated Node #0,0,1: 36:[3, 41] Operation: 69-28=41 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 36:[3, 41], Operations: ['76-73=3', '69-28=41'] Exploring Operation: 3+41=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 36:[28, 23], Operations: ['76-73=3', '69/3=23'] Exploring Operation: 28+23=51, Resulting Numbers: [51] 51,36 unequal: No Solution Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[28, 73, 7], Operations: ['76-69=7'] Exploring Operation: 28/7=4, Resulting Numbers: [73, 4] Generated Node #0,1,0: 36:[73, 4] Operation: 28/7=4 Exploring Operation: 73-28=45, Resulting Numbers: [7, 45] Generated Node #0,1,1: 36:[7, 45] Operation: 73-28=45 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 36:[7, 45], Operations: ['76-69=7', '73-28=45'] Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,36 unequal: No Solution Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 36:[73, 4], Operations: ['76-69=7', '28/7=4'] Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,36 unequal: No Solution Exploring Operation: 73+4=77, Resulting Numbers: [77] 77,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 81, 16, 3, 13 ]
49
[ "81-16=65", "3+13=16", "65-16=49" ]
Current State: 49:[81, 16, 3, 13], Operations: [] Exploring Operation: 81-16=65, Resulting Numbers: [3, 13, 65] Generated Node #2: [3, 13, 65] from Operation: 81-16=65 Current State: 49:[3, 13, 65], Operations: ['81-16=65'] Exploring Operation: 3+13=16, Resulting Numbers: [65, 16] Generated Node #3: [65, 16] from Operation: 3+13=16 Current State: 49:[65, 16], Operations: ['81-16=65', '3+13=16'] Exploring Operation: 65-16=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[81, 16, 3, 13], Operations: [] Exploring Operation: 81-13=68, Resulting Numbers: [16, 3, 68] Generated Node #0,0: 49:[16, 3, 68] Operation: 81-13=68 Exploring Operation: 81-16=65, Resulting Numbers: [3, 13, 65] Generated Node #0,1: 49:[3, 13, 65] Operation: 81-16=65 Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[3, 13, 65], Operations: ['81-16=65'] Exploring Operation: 65-13=52, Resulting Numbers: [3, 52] Generated Node #0,1,0: 49:[3, 52] Operation: 65-13=52 Exploring Operation: 65/13=5, Resulting Numbers: [3, 5] Generated Node #0,1,1: 49:[3, 5] Operation: 65/13=5 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 49:[3, 5], Operations: ['81-16=65', '65/13=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,49 unequal: No Solution No 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: 49:[3, 52], Operations: ['81-16=65', '65-13=52'] Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,49 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[81, 16, 3, 13], Operations: [] Exploring Operation: 81-16=65, Resulting Numbers: [3, 13, 65] Generated Node #0,1: 49:[3, 13, 65] Operation: 81-16=65 Moving to Node #0,1 Current State: 49:[3, 13, 65], Operations: ['81-16=65'] Exploring Operation: 65-13=52, Resulting Numbers: [3, 52] Generated Node #0,1,0: 49:[3, 52] Operation: 65-13=52 Moving to Node #0,1,0 Current State: 49:[3, 52], Operations: ['81-16=65', '65-13=52'] Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 37, 63, 40, 89 ]
68
[ "40-37=3", "63/3=21", "89-21=68" ]
Current State: 68:[37, 63, 40, 89], Operations: [] Exploring Operation: 40-37=3, Resulting Numbers: [63, 89, 3] Generated Node #2: [63, 89, 3] from Operation: 40-37=3 Current State: 68:[63, 89, 3], Operations: ['40-37=3'] Exploring Operation: 63/3=21, Resulting Numbers: [89, 21] Generated Node #3: [89, 21] from Operation: 63/3=21 Current State: 68:[89, 21], Operations: ['40-37=3', '63/3=21'] Exploring Operation: 89-21=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[37, 63, 40, 89], Operations: [] Exploring Operation: 89-63=26, Resulting Numbers: [37, 40, 26] Generated Node #0,0: 68:[37, 40, 26] Operation: 89-63=26 Exploring Operation: 89-40=49, Resulting Numbers: [37, 63, 49] Generated Node #0,1: 68:[37, 63, 49] Operation: 89-40=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[37, 40, 26], Operations: ['89-63=26'] Exploring Operation: 40+26=66, Resulting Numbers: [37, 66] Generated Node #0,0,0: 68:[37, 66] Operation: 40+26=66 Exploring Operation: 40-26=14, Resulting Numbers: [37, 14] Generated Node #0,0,1: 68:[37, 14] Operation: 40-26=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 68:[37, 66], Operations: ['89-63=26', '40+26=66'] Exploring Operation: 37+66=103, Resulting Numbers: [103] 103,68 unequal: No Solution Exploring Operation: 66-37=29, Resulting Numbers: [29] 29,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 68:[37, 14], Operations: ['89-63=26', '40-26=14'] Exploring Operation: 37+14=51, Resulting Numbers: [51] 51,68 unequal: No Solution Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[37, 63, 49], Operations: ['89-40=49'] Exploring Operation: 49-37=12, Resulting Numbers: [63, 12] Generated Node #0,1,0: 68:[63, 12] Operation: 49-37=12 Exploring Operation: 63-49=14, Resulting Numbers: [37, 14] Generated Node #0,1,1: 68:[37, 14] Operation: 63-49=14 Moving to Node #0,1,1 Current State: 68:[37, 14], Operations: ['89-40=49', '63-49=14'] Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,68 unequal: No Solution Exploring Operation: 37+14=51, Resulting Numbers: [51] 51,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[63, 12], Operations: ['89-40=49', '49-37=12'] Exploring Operation: 63-12=51, Resulting Numbers: [51] 51,68 unequal: No Solution Exploring Operation: 63+12=75, Resulting Numbers: [75] 75,68 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
[ 10, 74, 92, 27 ]
55
[ "74-10=64", "92+27=119", "119-64=55" ]
Current State: 55:[10, 74, 92, 27], Operations: [] Exploring Operation: 74-10=64, Resulting Numbers: [92, 27, 64] Generated Node #2: [92, 27, 64] from Operation: 74-10=64 Current State: 55:[92, 27, 64], Operations: ['74-10=64'] Exploring Operation: 92+27=119, Resulting Numbers: [64, 119] Generated Node #3: [64, 119] from Operation: 92+27=119 Current State: 55:[64, 119], Operations: ['74-10=64', '92+27=119'] Exploring Operation: 119-64=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[10, 74, 92, 27], Operations: [] Exploring Operation: 92-74=18, Resulting Numbers: [10, 27, 18] Generated Node #0,0: 55:[10, 27, 18] Operation: 92-74=18 Exploring Operation: 92-27=65, Resulting Numbers: [10, 74, 65] Generated Node #0,1: 55:[10, 74, 65] Operation: 92-27=65 Exploring Operation: 74-27=47, Resulting Numbers: [10, 92, 47] Generated Node #0,2: 55:[10, 92, 47] Operation: 74-27=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[10, 27, 18], Operations: ['92-74=18'] Exploring Operation: 27-10=17, Resulting Numbers: [18, 17] Generated Node #0,0,0: 55:[18, 17] Operation: 27-10=17 Exploring Operation: 27-18=9, Resulting Numbers: [10, 9] Generated Node #0,0,1: 55:[10, 9] Operation: 27-18=9 Exploring Operation: 27+18=45, Resulting Numbers: [10, 45] Generated Node #0,0,2: 55:[10, 45] Operation: 27+18=45 Moving to Node #0,0,1 Current State: 55:[10, 9], Operations: ['92-74=18', '27-18=9'] Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,55 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,55 unequal: No Solution Moving to Node #0,0,2 Current State: 55:[10, 45], Operations: ['92-74=18', '27+18=45'] Exploring Operation: 10*45=450, Resulting Numbers: [450] 450,55 unequal: No Solution Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,55 unequal: No Solution Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[10, 74, 92, 27], Operations: [] Exploring Operation: 92-74=18, Resulting Numbers: [10, 27, 18] Generated Node #0,0: 55:[10, 27, 18] Operation: 92-74=18 Moving to Node #0,0 Current State: 55:[10, 27, 18], Operations: ['92-74=18'] Exploring Operation: 27+18=45, Resulting Numbers: [10, 45] Generated Node #0,0,2: 55:[10, 45] Operation: 27+18=45 Moving to Node #0,0,2 Current State: 55:[10, 45], Operations: ['92-74=18', '27+18=45'] Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 29, 54, 17, 84 ]
18
[ "29+54=83", "17+84=101", "101-83=18" ]
Current State: 18:[29, 54, 17, 84], Operations: [] Exploring Operation: 29+54=83, Resulting Numbers: [17, 84, 83] Generated Node #2: [17, 84, 83] from Operation: 29+54=83 Current State: 18:[17, 84, 83], Operations: ['29+54=83'] Exploring Operation: 17+84=101, Resulting Numbers: [83, 101] Generated Node #3: [83, 101] from Operation: 17+84=101 Current State: 18:[83, 101], Operations: ['29+54=83', '17+84=101'] Exploring Operation: 101-83=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[29, 54, 17, 84], Operations: [] Exploring Operation: 84-54=30, Resulting Numbers: [29, 17, 30] Generated Node #0,0: 18:[29, 17, 30] Operation: 84-54=30 Exploring Operation: 54-29=25, Resulting Numbers: [17, 84, 25] Generated Node #0,1: 18:[17, 84, 25] Operation: 54-29=25 Moving to Node #0,0 Current State: 18:[29, 17, 30], Operations: ['84-54=30'] Exploring Operation: 30-29=1, Resulting Numbers: [17, 1] Generated Node #0,0,0: 18:[17, 1] Operation: 30-29=1 Exploring Operation: 29-17=12, Resulting Numbers: [30, 12] Generated Node #0,0,1: 18:[30, 12] Operation: 29-17=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 18:[17, 1], Operations: ['84-54=30', '30-29=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[29, 54, 17, 84], Operations: [] Exploring Operation: 84-54=30, Resulting Numbers: [29, 17, 30] Generated Node #0,0: 18:[29, 17, 30] Operation: 84-54=30 Moving to Node #0,0 Current State: 18:[29, 17, 30], Operations: ['84-54=30'] Exploring Operation: 30-29=1, Resulting Numbers: [17, 1] Generated Node #0,0,0: 18:[17, 1] Operation: 30-29=1 Moving to Node #0,0,0 Current State: 18:[17, 1], Operations: ['84-54=30', '30-29=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 12, 28, 17, 52 ]
76
[ "17*52=884", "28+884=912", "912/12=76" ]
Current State: 76:[12, 28, 17, 52], Operations: [] Exploring Operation: 17*52=884, Resulting Numbers: [12, 28, 884] Generated Node #2: [12, 28, 884] from Operation: 17*52=884 Current State: 76:[12, 28, 884], Operations: ['17*52=884'] Exploring Operation: 28+884=912, Resulting Numbers: [12, 912] Generated Node #3: [12, 912] from Operation: 28+884=912 Current State: 76:[12, 912], Operations: ['17*52=884', '28+884=912'] Exploring Operation: 912/12=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[12, 28, 17, 52], Operations: [] Exploring Operation: 52-12=40, Resulting Numbers: [28, 17, 40] Generated Node #0,0: 76:[28, 17, 40] Operation: 52-12=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[28, 17, 40], Operations: ['52-12=40'] Exploring Operation: 28+17=45, Resulting Numbers: [40, 45] Generated Node #0,0,0: 76:[40, 45] Operation: 28+17=45 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[40, 45], Operations: ['52-12=40', '28+17=45'] Exploring Operation: 45-40=5, Resulting Numbers: [5] 5,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 87, 51, 3, 90 ]
50
[ "87+3=90", "90/90=1", "51-1=50" ]
Current State: 50:[87, 51, 3, 90], Operations: [] Exploring Operation: 87+3=90, Resulting Numbers: [51, 90, 90] Generated Node #2: [51, 90, 90] from Operation: 87+3=90 Current State: 50:[51, 90, 90], Operations: ['87+3=90'] Exploring Operation: 90/90=1, Resulting Numbers: [51, 1] Generated Node #3: [51, 1] from Operation: 90/90=1 Current State: 50:[51, 1], Operations: ['87+3=90', '90/90=1'] Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[87, 51, 3, 90], Operations: [] Exploring Operation: 90-51=39, Resulting Numbers: [87, 3, 39] Generated Node #0,0: 50:[87, 3, 39] Operation: 90-51=39 Exploring Operation: 87/3=29, Resulting Numbers: [51, 90, 29] Generated Node #0,1: 50:[51, 90, 29] Operation: 87/3=29 Exploring Operation: 90/3=30, Resulting Numbers: [87, 51, 30] Generated Node #0,2: 50:[87, 51, 30] Operation: 90/3=30 Exploring Operation: 90-87=3, Resulting Numbers: [51, 3, 3] Generated Node #0,3: 50:[51, 3, 3] Operation: 90-87=3 Moving to Node #0,3 Current State: 50:[51, 3, 3], Operations: ['90-87=3'] Exploring Operation: 51-3=48, Resulting Numbers: [3, 48] Generated Node #0,3,0: 50:[3, 48] Operation: 51-3=48 Exploring Operation: 3+3=6, Resulting Numbers: [51, 6] Generated Node #0,3,1: 50:[51, 6] Operation: 3+3=6 Exploring Operation: 3*3=9, Resulting Numbers: [51, 9] Generated Node #0,3,2: 50:[51, 9] Operation: 3*3=9 Exploring Operation: 3/3=1, Resulting Numbers: [51, 1] Generated Node #0,3,3: 50:[51, 1] Operation: 3/3=1 Moving to Node #0,2 Current State: 50:[87, 51, 30], Operations: ['90/3=30'] Exploring Operation: 87+30=117, Resulting Numbers: [51, 117] Generated Node #0,2,0: 50:[51, 117] Operation: 87+30=117 Exploring Operation: 51-30=21, Resulting Numbers: [87, 21] Generated Node #0,2,1: 50:[87, 21] Operation: 51-30=21 Exploring Operation: 87-51=36, Resulting Numbers: [30, 36] Generated Node #0,2,2: 50:[30, 36] Operation: 87-51=36 Exploring Operation: 87-30=57, Resulting Numbers: [51, 57] Generated Node #0,2,3: 50:[51, 57] Operation: 87-30=57 Moving to Node #0,1 Current State: 50:[51, 90, 29], Operations: ['87/3=29'] Exploring Operation: 90-29=61, Resulting Numbers: [51, 61] Generated Node #0,1,0: 50:[51, 61] Operation: 90-29=61 Exploring Operation: 90-51=39, Resulting Numbers: [29, 39] Generated Node #0,1,1: 50:[29, 39] Operation: 90-51=39 Exploring Operation: 51-29=22, Resulting Numbers: [90, 22] Generated Node #0,1,2: 50:[90, 22] Operation: 51-29=22 Exploring Operation: 51+29=80, Resulting Numbers: [90, 80] Generated Node #0,1,3: 50:[90, 80] Operation: 51+29=80 Moving to Node #0,0 Current State: 50:[87, 3, 39], Operations: ['90-51=39'] Exploring Operation: 39/3=13, Resulting Numbers: [87, 13] Generated Node #0,0,0: 50:[87, 13] Operation: 39/3=13 Exploring Operation: 87-3=84, Resulting Numbers: [39, 84] Generated Node #0,0,1: 50:[39, 84] Operation: 87-3=84 Exploring Operation: 87-39=48, Resulting Numbers: [3, 48] Generated Node #0,0,2: 50:[3, 48] Operation: 87-39=48 Exploring Operation: 87/3=29, Resulting Numbers: [39, 29] Generated Node #0,0,3: 50:[39, 29] Operation: 87/3=29 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 50:[3, 48], Operations: ['90-51=39', '87-39=48'] Exploring Operation: 3*48=144, Resulting Numbers: [144] 144,50 unequal: No Solution Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,50 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 50:[39, 29], Operations: ['90-51=39', '87/3=29'] Exploring Operation: 39+29=68, Resulting Numbers: [68] 68,50 unequal: No Solution Exploring Operation: 39*29=1131, Resulting Numbers: [1131] 1131,50 unequal: No Solution Exploring Operation: 39-29=10, Resulting Numbers: [10] 10,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[87, 13], Operations: ['90-51=39', '39/3=13'] Exploring Operation: 87*13=1131, Resulting Numbers: [1131] 1131,50 unequal: No Solution Exploring Operation: 87+13=100, Resulting Numbers: [100] 100,50 unequal: No Solution Exploring Operation: 87-13=74, Resulting Numbers: [74] 74,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[39, 84], Operations: ['90-51=39', '87-3=84'] Exploring Operation: 39*84=3276, Resulting Numbers: [3276] 3276,50 unequal: No Solution Exploring Operation: 39+84=123, Resulting Numbers: [123] 123,50 unequal: No Solution Exploring Operation: 84-39=45, Resulting Numbers: [45] 45,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 50:[51, 6], Operations: ['90-87=3', '3+3=6'] Exploring Operation: 51*6=306, Resulting Numbers: [306] 306,50 unequal: No Solution Exploring Operation: 51+6=57, Resulting Numbers: [57] 57,50 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,50 unequal: No Solution Moving to Node #0,3,3 Current State: 50:[51, 1], Operations: ['90-87=3', '3/3=1'] Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[87, 51, 3, 90], Operations: [] Exploring Operation: 90-87=3, Resulting Numbers: [51, 3, 3] Generated Node #0,3: 50:[51, 3, 3] Operation: 90-87=3 Moving to Node #0,3 Current State: 50:[51, 3, 3], Operations: ['90-87=3'] Exploring Operation: 3/3=1, Resulting Numbers: [51, 1] Generated Node #0,3,3: 50:[51, 1] Operation: 3/3=1 Moving to Node #0,3,3 Current State: 50:[51, 1], Operations: ['90-87=3', '3/3=1'] Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
0.96441
hs_4
mult_heuristic
[ 75, 20, 60, 35 ]
71
[ "35-20=15", "60/15=4", "75-4=71" ]
Current State: 71:[75, 20, 60, 35], Operations: [] Exploring Operation: 35-20=15, Resulting Numbers: [75, 60, 15] Generated Node #2: [75, 60, 15] from Operation: 35-20=15 Current State: 71:[75, 60, 15], Operations: ['35-20=15'] Exploring Operation: 60/15=4, Resulting Numbers: [75, 4] Generated Node #3: [75, 4] from Operation: 60/15=4 Current State: 71:[75, 4], Operations: ['35-20=15', '60/15=4'] Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[75, 20, 60, 35], Operations: [] Exploring Operation: 20+60=80, Resulting Numbers: [75, 35, 80] Generated Node #0,0: 71:[75, 35, 80] Operation: 20+60=80 Exploring Operation: 20+35=55, Resulting Numbers: [75, 60, 55] Generated Node #0,1: 71:[75, 60, 55] Operation: 20+35=55 Exploring Operation: 75-20=55, Resulting Numbers: [60, 35, 55] Generated Node #0,2: 71:[60, 35, 55] Operation: 75-20=55 Exploring Operation: 75+20=95, Resulting Numbers: [60, 35, 95] Generated Node #0,3: 71:[60, 35, 95] Operation: 75+20=95 Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[75, 60, 55], Operations: ['20+35=55'] Exploring Operation: 75+55=130, Resulting Numbers: [60, 130] Generated Node #0,1,0: 71:[60, 130] Operation: 75+55=130 Exploring Operation: 60+55=115, Resulting Numbers: [75, 115] Generated Node #0,1,1: 71:[75, 115] Operation: 60+55=115 Exploring Operation: 60-55=5, Resulting Numbers: [75, 5] Generated Node #0,1,2: 71:[75, 5] Operation: 60-55=5 Exploring Operation: 75-55=20, Resulting Numbers: [60, 20] Generated Node #0,1,3: 71:[60, 20] Operation: 75-55=20 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 71:[75, 115], Operations: ['20+35=55', '60+55=115'] Exploring Operation: 115-75=40, Resulting Numbers: [40] 40,71 unequal: No Solution Exploring Operation: 75*115=8625, Resulting Numbers: [8625] 8625,71 unequal: No Solution Exploring Operation: 75+115=190, Resulting Numbers: [190] 190,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 71:[60, 20], Operations: ['20+35=55', '75-55=20'] Exploring Operation: 60/20=3, Resulting Numbers: [3] 3,71 unequal: No Solution Exploring Operation: 60*20=1200, Resulting Numbers: [1200] 1200,71 unequal: No Solution Exploring Operation: 60+20=80, Resulting Numbers: [80] 80,71 unequal: No Solution Exploring Operation: 60-20=40, Resulting Numbers: [40] 40,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 71:[60, 130], Operations: ['20+35=55', '75+55=130'] Exploring Operation: 60*130=7800, Resulting Numbers: [7800] 7800,71 unequal: No Solution Exploring Operation: 130-60=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 60+130=190, Resulting Numbers: [190] 190,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 71:[75, 5], Operations: ['20+35=55', '60-55=5'] Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 75*5=375, Resulting Numbers: [375] 375,71 unequal: No Solution Exploring Operation: 75+5=80, Resulting Numbers: [80] 80,71 unequal: No Solution Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[75, 35, 80], Operations: ['20+60=80'] Exploring Operation: 75-35=40, Resulting Numbers: [80, 40] Generated Node #0,0,0: 71:[80, 40] Operation: 75-35=40 Exploring Operation: 35+80=115, Resulting Numbers: [75, 115] Generated Node #0,0,1: 71:[75, 115] Operation: 35+80=115 Exploring Operation: 75+35=110, Resulting Numbers: [80, 110] Generated Node #0,0,2: 71:[80, 110] Operation: 75+35=110 Exploring Operation: 80-35=45, Resulting Numbers: [75, 45] Generated Node #0,0,3: 71:[75, 45] Operation: 80-35=45 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 71:[75, 45], Operations: ['20+60=80', '80-35=45'] Exploring Operation: 75*45=3375, Resulting Numbers: [3375] 3375,71 unequal: No Solution Exploring Operation: 75+45=120, Resulting Numbers: [120] 120,71 unequal: No Solution Exploring Operation: 75-45=30, Resulting Numbers: [30] 30,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[80, 40], Operations: ['20+60=80', '75-35=40'] Exploring Operation: 80+40=120, Resulting Numbers: [120] 120,71 unequal: No Solution Exploring Operation: 80-40=40, Resulting Numbers: [40] 40,71 unequal: No Solution Exploring Operation: 80/40=2, Resulting Numbers: [2] 2,71 unequal: No Solution Exploring Operation: 80*40=3200, Resulting Numbers: [3200] 3200,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 71:[75, 115], Operations: ['20+60=80', '35+80=115'] Exploring Operation: 115-75=40, Resulting Numbers: [40] 40,71 unequal: No Solution Exploring Operation: 75*115=8625, Resulting Numbers: [8625] 8625,71 unequal: No Solution Exploring Operation: 75+115=190, Resulting Numbers: [190] 190,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 71:[80, 110], Operations: ['20+60=80', '75+35=110'] Exploring Operation: 80*110=8800, Resulting Numbers: [8800] 8800,71 unequal: No Solution Exploring Operation: 80+110=190, Resulting Numbers: [190] 190,71 unequal: No Solution Exploring Operation: 110-80=30, Resulting Numbers: [30] 30,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[60, 35, 55], Operations: ['75-20=55'] Exploring Operation: 60+35=95, Resulting Numbers: [55, 95] Generated Node #0,2,0: 71:[55, 95] Operation: 60+35=95 Exploring Operation: 60-35=25, Resulting Numbers: [55, 25] Generated Node #0,2,1: 71:[55, 25] Operation: 60-35=25 Exploring Operation: 55-35=20, Resulting Numbers: [60, 20] Generated Node #0,2,2: 71:[60, 20] Operation: 55-35=20 Exploring Operation: 35+55=90, Resulting Numbers: [60, 90] Generated Node #0,2,3: 71:[60, 90] Operation: 35+55=90 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 71:[60, 90], Operations: ['75-20=55', '35+55=90'] Exploring Operation: 90-60=30, Resulting Numbers: [30] 30,71 unequal: No Solution Exploring Operation: 60+90=150, Resulting Numbers: [150] 150,71 unequal: No Solution Exploring Operation: 60*90=5400, Resulting Numbers: [5400] 5400,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 71:[55, 95], Operations: ['75-20=55', '60+35=95'] Exploring Operation: 95-55=40, Resulting Numbers: [40] 40,71 unequal: No Solution Exploring Operation: 55*95=5225, Resulting Numbers: [5225] 5225,71 unequal: No Solution Exploring Operation: 55+95=150, Resulting Numbers: [150] 150,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 71:[55, 25], Operations: ['75-20=55', '60-35=25'] Exploring Operation: 55+25=80, Resulting Numbers: [80] 80,71 unequal: No Solution Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,71 unequal: No Solution Exploring Operation: 55*25=1375, Resulting Numbers: [1375] 1375,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 71:[60, 20], Operations: ['75-20=55', '55-35=20'] Exploring Operation: 60*20=1200, Resulting Numbers: [1200] 1200,71 unequal: No Solution Exploring Operation: 60+20=80, Resulting Numbers: [80] 80,71 unequal: No Solution Exploring Operation: 60/20=3, Resulting Numbers: [3] 3,71 unequal: No Solution Exploring Operation: 60-20=40, Resulting Numbers: [40] 40,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 71:[60, 35, 95], Operations: ['75+20=95'] Exploring Operation: 60-35=25, Resulting Numbers: [95, 25] Generated Node #0,3,0: 71:[95, 25] Operation: 60-35=25 Exploring Operation: 60+35=95, Resulting Numbers: [95, 95] Generated Node #0,3,1: 71:[95, 95] Operation: 60+35=95 Exploring Operation: 95-35=60, Resulting Numbers: [60, 60] Generated Node #0,3,2: 71:[60, 60] Operation: 95-35=60 Exploring Operation: 35+95=130, Resulting Numbers: [60, 130] Generated Node #0,3,3: 71:[60, 130] Operation: 35+95=130 Moving to Node #0,3,2 Current State: 71:[60, 60], Operations: ['75+20=95', '95-35=60'] Exploring Operation: 60-60=0, Resulting Numbers: [0] 0,71 unequal: No Solution Exploring Operation: 60*60=3600, Resulting Numbers: [3600] 3600,71 unequal: No Solution Exploring Operation: 60+60=120, Resulting Numbers: [120] 120,71 unequal: No Solution Exploring Operation: 60/60=1, Resulting Numbers: [1] 1,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[95, 95], Operations: ['75+20=95', '60+35=95'] Exploring Operation: 95+95=190, Resulting Numbers: [190] 190,71 unequal: No Solution Exploring Operation: 95-95=0, Resulting Numbers: [0] 0,71 unequal: No Solution Exploring Operation: 95*95=9025, Resulting Numbers: [9025] 9025,71 unequal: No Solution Exploring Operation: 95/95=1, Resulting Numbers: [1] 1,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[60, 130], Operations: ['75+20=95', '35+95=130'] Exploring Operation: 60+130=190, Resulting Numbers: [190] 190,71 unequal: No Solution Exploring Operation: 130-60=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 60*130=7800, Resulting Numbers: [7800] 7800,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[95, 25], Operations: ['75+20=95', '60-35=25'] Exploring Operation: 95*25=2375, Resulting Numbers: [2375] 2375,71 unequal: No Solution Exploring Operation: 95+25=120, Resulting Numbers: [120] 120,71 unequal: No Solution Exploring Operation: 95-25=70, Resulting Numbers: [70] 70,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 5, 9, 80, 70 ]
46
[ "70/5=14", "9*14=126", "126-80=46" ]
Current State: 46:[5, 9, 80, 70], Operations: [] Exploring Operation: 70/5=14, Resulting Numbers: [9, 80, 14] Generated Node #2: [9, 80, 14] from Operation: 70/5=14 Current State: 46:[9, 80, 14], Operations: ['70/5=14'] Exploring Operation: 9*14=126, Resulting Numbers: [80, 126] Generated Node #3: [80, 126] from Operation: 9*14=126 Current State: 46:[80, 126], Operations: ['70/5=14', '9*14=126'] Exploring Operation: 126-80=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[5, 9, 80, 70], Operations: [] Exploring Operation: 80-70=10, Resulting Numbers: [5, 9, 10] Generated Node #0,0: 46:[5, 9, 10] Operation: 80-70=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[5, 9, 10], Operations: ['80-70=10'] Exploring Operation: 10-9=1, Resulting Numbers: [5, 1] Generated Node #0,0,0: 46:[5, 1] Operation: 10-9=1 Moving to Node #0,0,0 Current State: 46:[5, 1], Operations: ['80-70=10', '10-9=1'] Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 84, 64, 76, 34 ]
38
[ "84+64=148", "76+34=110", "148-110=38" ]
Current State: 38:[84, 64, 76, 34], Operations: [] Exploring Operation: 84+64=148, Resulting Numbers: [76, 34, 148] Generated Node #2: [76, 34, 148] from Operation: 84+64=148 Current State: 38:[76, 34, 148], Operations: ['84+64=148'] Exploring Operation: 76+34=110, Resulting Numbers: [148, 110] Generated Node #3: [148, 110] from Operation: 76+34=110 Current State: 38:[148, 110], Operations: ['84+64=148', '76+34=110'] Exploring Operation: 148-110=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[84, 64, 76, 34], Operations: [] Exploring Operation: 84-64=20, Resulting Numbers: [76, 34, 20] Generated Node #0,0: 38:[76, 34, 20] Operation: 84-64=20 Exploring Operation: 84-76=8, Resulting Numbers: [64, 34, 8] Generated Node #0,1: 38:[64, 34, 8] Operation: 84-76=8 Exploring Operation: 76-64=12, Resulting Numbers: [84, 34, 12] Generated Node #0,2: 38:[84, 34, 12] Operation: 76-64=12 Moving to Node #0,1 Current State: 38:[64, 34, 8], Operations: ['84-76=8'] Exploring Operation: 64/8=8, Resulting Numbers: [34, 8] Generated Node #0,1,0: 38:[34, 8] Operation: 64/8=8 Exploring Operation: 64-8=56, Resulting Numbers: [34, 56] Generated Node #0,1,1: 38:[34, 56] Operation: 64-8=56 Exploring Operation: 64-34=30, Resulting Numbers: [8, 30] Generated Node #0,1,2: 38:[8, 30] Operation: 64-34=30 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 38:[34, 8], Operations: ['84-76=8', '64/8=8'] Exploring Operation: 34+8=42, Resulting Numbers: [42] 42,38 unequal: No Solution Exploring Operation: 34*8=272, Resulting Numbers: [272] 272,38 unequal: No Solution Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 38:[8, 30], Operations: ['84-76=8', '64-34=30'] Exploring Operation: 8*30=240, Resulting Numbers: [240] 240,38 unequal: No Solution Exploring Operation: 8+30=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[84, 64, 76, 34], Operations: [] Exploring Operation: 84-76=8, Resulting Numbers: [64, 34, 8] Generated Node #0,1: 38:[64, 34, 8] Operation: 84-76=8 Moving to Node #0,1 Current State: 38:[64, 34, 8], Operations: ['84-76=8'] Exploring Operation: 64-34=30, Resulting Numbers: [8, 30] Generated Node #0,1,2: 38:[8, 30] Operation: 64-34=30 Moving to Node #0,1,2 Current State: 38:[8, 30], Operations: ['84-76=8', '64-34=30'] Exploring Operation: 8+30=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 49, 97, 60, 96 ]
58
[ "97-49=48", "96/48=2", "60-2=58" ]
Current State: 58:[49, 97, 60, 96], Operations: [] Exploring Operation: 97-49=48, Resulting Numbers: [60, 96, 48] Generated Node #2: [60, 96, 48] from Operation: 97-49=48 Current State: 58:[60, 96, 48], Operations: ['97-49=48'] Exploring Operation: 96/48=2, Resulting Numbers: [60, 2] Generated Node #3: [60, 2] from Operation: 96/48=2 Current State: 58:[60, 2], Operations: ['97-49=48', '96/48=2'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[49, 97, 60, 96], Operations: [] Exploring Operation: 97-49=48, Resulting Numbers: [60, 96, 48] Generated Node #0,0: 58:[60, 96, 48] Operation: 97-49=48 Exploring Operation: 97-96=1, Resulting Numbers: [49, 60, 1] Generated Node #0,1: 58:[49, 60, 1] Operation: 97-96=1 Exploring Operation: 96-49=47, Resulting Numbers: [97, 60, 47] Generated Node #0,2: 58:[97, 60, 47] Operation: 96-49=47 Moving to Node #0,1 Current State: 58:[49, 60, 1], Operations: ['97-96=1'] Exploring Operation: 60-1=59, Resulting Numbers: [49, 59] Generated Node #0,1,0: 58:[49, 59] Operation: 60-1=59 Exploring Operation: 60-49=11, Resulting Numbers: [1, 11] Generated Node #0,1,1: 58:[1, 11] Operation: 60-49=11 Exploring Operation: 49+1=50, Resulting Numbers: [60, 50] Generated Node #0,1,2: 58:[60, 50] Operation: 49+1=50 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[49, 59], Operations: ['97-96=1', '60-1=59'] Exploring Operation: 49*59=2891, Resulting Numbers: [2891] 2891,58 unequal: No Solution Exploring Operation: 49+59=108, Resulting Numbers: [108] 108,58 unequal: No Solution Exploring Operation: 59-49=10, Resulting Numbers: [10] 10,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[1, 11], Operations: ['97-96=1', '60-49=11'] Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,58 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,58 unequal: No Solution Exploring Operation: 1*11=11, Resulting Numbers: [11] 11,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 58:[60, 50], Operations: ['97-96=1', '49+1=50'] Exploring Operation: 60+50=110, Resulting Numbers: [110] 110,58 unequal: No Solution Exploring Operation: 60-50=10, Resulting Numbers: [10] 10,58 unequal: No Solution Exploring Operation: 60*50=3000, Resulting Numbers: [3000] 3000,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 58:[60, 96, 48], Operations: ['97-49=48'] Exploring Operation: 96-48=48, Resulting Numbers: [60, 48] Generated Node #0,0,0: 58:[60, 48] Operation: 96-48=48 Exploring Operation: 96-60=36, Resulting Numbers: [48, 36] Generated Node #0,0,1: 58:[48, 36] Operation: 96-60=36 Exploring Operation: 96/48=2, Resulting Numbers: [60, 2] Generated Node #0,0,2: 58:[60, 2] Operation: 96/48=2 Moving to Node #0,2 Current State: 58:[97, 60, 47], Operations: ['96-49=47'] Exploring Operation: 97-60=37, Resulting Numbers: [47, 37] Generated Node #0,2,0: 58:[47, 37] Operation: 97-60=37 Exploring Operation: 97-47=50, Resulting Numbers: [60, 50] Generated Node #0,2,1: 58:[60, 50] Operation: 97-47=50 Exploring Operation: 60-47=13, Resulting Numbers: [97, 13] Generated Node #0,2,2: 58:[97, 13] Operation: 60-47=13 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 58:[60, 50], Operations: ['96-49=47', '97-47=50'] Exploring Operation: 60-50=10, Resulting Numbers: [10] 10,58 unequal: No Solution Exploring Operation: 60+50=110, Resulting Numbers: [110] 110,58 unequal: No Solution Exploring Operation: 60*50=3000, Resulting Numbers: [3000] 3000,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 58:[47, 37], Operations: ['96-49=47', '97-60=37'] Exploring Operation: 47*37=1739, Resulting Numbers: [1739] 1739,58 unequal: No Solution Exploring Operation: 47+37=84, Resulting Numbers: [84] 84,58 unequal: No Solution Exploring Operation: 47-37=10, Resulting Numbers: [10] 10,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 58:[97, 13], Operations: ['96-49=47', '60-47=13'] Exploring Operation: 97-13=84, Resulting Numbers: [84] 84,58 unequal: No Solution Exploring Operation: 97*13=1261, Resulting Numbers: [1261] 1261,58 unequal: No Solution Exploring Operation: 97+13=110, Resulting Numbers: [110] 110,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 58:[60, 2], Operations: ['97-49=48', '96/48=2'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[49, 97, 60, 96], Operations: [] Exploring Operation: 97-49=48, Resulting Numbers: [60, 96, 48] Generated Node #0,0: 58:[60, 96, 48] Operation: 97-49=48 Moving to Node #0,0 Current State: 58:[60, 96, 48], Operations: ['97-49=48'] Exploring Operation: 96/48=2, Resulting Numbers: [60, 2] Generated Node #0,0,2: 58:[60, 2] Operation: 96/48=2 Moving to Node #0,0,2 Current State: 58:[60, 2], Operations: ['97-49=48', '96/48=2'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
0.969618
hs_3
mult_heuristic
[ 17, 29, 35, 87 ]
27
[ "87-17=70", "70/35=2", "29-2=27" ]
Current State: 27:[17, 29, 35, 87], Operations: [] Exploring Operation: 87-17=70, Resulting Numbers: [29, 35, 70] Generated Node #2: [29, 35, 70] from Operation: 87-17=70 Current State: 27:[29, 35, 70], Operations: ['87-17=70'] Exploring Operation: 70/35=2, Resulting Numbers: [29, 2] Generated Node #3: [29, 2] from Operation: 70/35=2 Current State: 27:[29, 2], Operations: ['87-17=70', '70/35=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[17, 29, 35, 87], Operations: [] Exploring Operation: 87/29=3, Resulting Numbers: [17, 35, 3] Generated Node #0,0: 27:[17, 35, 3] Operation: 87/29=3 Moving to Node #0,0 Current State: 27:[17, 35, 3], Operations: ['87/29=3'] Exploring Operation: 35-17=18, Resulting Numbers: [3, 18] Generated Node #0,0,0: 27:[3, 18] Operation: 35-17=18 Moving to Node #0,0,0 Current State: 27:[3, 18], Operations: ['87/29=3', '35-17=18'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,27 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 4, 67, 79, 73 ]
65
[ "4+67=71", "79-73=6", "71-6=65" ]
Current State: 65:[4, 67, 79, 73], Operations: [] Exploring Operation: 4+67=71, Resulting Numbers: [79, 73, 71] Generated Node #2: [79, 73, 71] from Operation: 4+67=71 Current State: 65:[79, 73, 71], Operations: ['4+67=71'] Exploring Operation: 79-73=6, Resulting Numbers: [71, 6] Generated Node #3: [71, 6] from Operation: 79-73=6 Current State: 65:[71, 6], Operations: ['4+67=71', '79-73=6'] Exploring Operation: 71-6=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[4, 67, 79, 73], Operations: [] Exploring Operation: 73-67=6, Resulting Numbers: [4, 79, 6] Generated Node #0,0: 65:[4, 79, 6] Operation: 73-67=6 Exploring Operation: 79-73=6, Resulting Numbers: [4, 67, 6] Generated Node #0,1: 65:[4, 67, 6] Operation: 79-73=6 Exploring Operation: 79-67=12, Resulting Numbers: [4, 73, 12] Generated Node #0,2: 65:[4, 73, 12] Operation: 79-67=12 Moving to Node #0,1 Current State: 65:[4, 67, 6], Operations: ['79-73=6'] Exploring Operation: 6-4=2, Resulting Numbers: [67, 2] Generated Node #0,1,0: 65:[67, 2] Operation: 6-4=2 Exploring Operation: 4+6=10, Resulting Numbers: [67, 10] Generated Node #0,1,1: 65:[67, 10] Operation: 4+6=10 Exploring Operation: 67-4=63, Resulting Numbers: [6, 63] Generated Node #0,1,2: 65:[6, 63] Operation: 67-4=63 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 65:[6, 63], Operations: ['79-73=6', '67-4=63'] Exploring Operation: 6*63=378, Resulting Numbers: [378] 378,65 unequal: No Solution Exploring Operation: 6+63=69, Resulting Numbers: [69] 69,65 unequal: No Solution Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[67, 2], Operations: ['79-73=6', '6-4=2'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[4, 67, 79, 73], Operations: [] Exploring Operation: 79-73=6, Resulting Numbers: [4, 67, 6] Generated Node #0,1: 65:[4, 67, 6] Operation: 79-73=6 Moving to Node #0,1 Current State: 65:[4, 67, 6], Operations: ['79-73=6'] Exploring Operation: 6-4=2, Resulting Numbers: [67, 2] Generated Node #0,1,0: 65:[67, 2] Operation: 6-4=2 Moving to Node #0,1,0 Current State: 65:[67, 2], Operations: ['79-73=6', '6-4=2'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 97, 3, 86, 20 ]
91
[ "97+3=100", "100/20=5", "86+5=91" ]
Current State: 91:[97, 3, 86, 20], Operations: [] Exploring Operation: 97+3=100, Resulting Numbers: [86, 20, 100] Generated Node #2: [86, 20, 100] from Operation: 97+3=100 Current State: 91:[86, 20, 100], Operations: ['97+3=100'] Exploring Operation: 100/20=5, Resulting Numbers: [86, 5] Generated Node #3: [86, 5] from Operation: 100/20=5 Current State: 91:[86, 5], Operations: ['97+3=100', '100/20=5'] Exploring Operation: 86+5=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[97, 3, 86, 20], Operations: [] Exploring Operation: 97+3=100, Resulting Numbers: [86, 20, 100] Generated Node #0,0: 91:[86, 20, 100] Operation: 97+3=100 Exploring Operation: 20-3=17, Resulting Numbers: [97, 86, 17] Generated Node #0,1: 91:[97, 86, 17] Operation: 20-3=17 Exploring Operation: 3+86=89, Resulting Numbers: [97, 20, 89] Generated Node #0,2: 91:[97, 20, 89] Operation: 3+86=89 Exploring Operation: 97-3=94, Resulting Numbers: [86, 20, 94] Generated Node #0,3: 91:[86, 20, 94] Operation: 97-3=94 Exploring Operation: 97-86=11, Resulting Numbers: [3, 20, 11] Generated Node #0,4: 91:[3, 20, 11] Operation: 97-86=11 Start Sub Search at level 1: Moving to Node #0,4 Current State: 91:[3, 20, 11], Operations: ['97-86=11'] Exploring Operation: 20-11=9, Resulting Numbers: [3, 9] Generated Node #0,4,0: 91:[3, 9] Operation: 20-11=9 Exploring Operation: 3+11=14, Resulting Numbers: [20, 14] Generated Node #0,4,1: 91:[20, 14] Operation: 3+11=14 Exploring Operation: 3+20=23, Resulting Numbers: [11, 23] Generated Node #0,4,2: 91:[11, 23] Operation: 3+20=23 Exploring Operation: 11-3=8, Resulting Numbers: [20, 8] Generated Node #0,4,3: 91:[20, 8] Operation: 11-3=8 Exploring Operation: 20-3=17, Resulting Numbers: [11, 17] Generated Node #0,4,4: 91:[11, 17] Operation: 20-3=17 Moving to Node #0,4,0 Current State: 91:[3, 9], Operations: ['97-86=11', '20-11=9'] Exploring Operation: 3+9=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,91 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,91 unequal: No Solution Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,91 unequal: No Solution Moving to Node #0,4,4 Current State: 91:[11, 17], Operations: ['97-86=11', '20-3=17'] Exploring Operation: 11*17=187, Resulting Numbers: [187] 187,91 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,91 unequal: No Solution Exploring Operation: 11+17=28, Resulting Numbers: [28] 28,91 unequal: No Solution Moving to Node #0,4,1 Current State: 91:[20, 14], Operations: ['97-86=11', '3+11=14'] Exploring Operation: 20+14=34, Resulting Numbers: [34] 34,91 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,91 unequal: No Solution Exploring Operation: 20*14=280, Resulting Numbers: [280] 280,91 unequal: No Solution Moving to Node #0,4,3 Current State: 91:[20, 8], Operations: ['97-86=11', '11-3=8'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,91 unequal: No Solution Exploring Operation: 20*8=160, Resulting Numbers: [160] 160,91 unequal: No Solution Moving to Node #0,4,2 Current State: 91:[11, 23], Operations: ['97-86=11', '3+20=23'] Exploring Operation: 11*23=253, Resulting Numbers: [253] 253,91 unequal: No Solution Exploring Operation: 11+23=34, Resulting Numbers: [34] 34,91 unequal: No Solution Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[97, 86, 17], Operations: ['20-3=17'] Exploring Operation: 97+17=114, Resulting Numbers: [86, 114] Generated Node #0,1,0: 91:[86, 114] Operation: 97+17=114 Exploring Operation: 97-17=80, Resulting Numbers: [86, 80] Generated Node #0,1,1: 91:[86, 80] Operation: 97-17=80 Exploring Operation: 97-86=11, Resulting Numbers: [17, 11] Generated Node #0,1,2: 91:[17, 11] Operation: 97-86=11 Exploring Operation: 86+17=103, Resulting Numbers: [97, 103] Generated Node #0,1,3: 91:[97, 103] Operation: 86+17=103 Exploring Operation: 86-17=69, Resulting Numbers: [97, 69] Generated Node #0,1,4: 91:[97, 69] Operation: 86-17=69 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 91:[17, 11], Operations: ['20-3=17', '97-86=11'] Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,91 unequal: No Solution Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,91 unequal: No Solution Exploring Operation: 17*11=187, Resulting Numbers: [187] 187,91 unequal: No Solution No 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: 91:[86, 80], Operations: ['20-3=17', '97-17=80'] Exploring Operation: 86*80=6880, Resulting Numbers: [6880] 6880,91 unequal: No Solution Exploring Operation: 86+80=166, Resulting Numbers: [166] 166,91 unequal: No Solution Exploring Operation: 86-80=6, Resulting Numbers: [6] 6,91 unequal: No Solution No 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: 91:[97, 103], Operations: ['20-3=17', '86+17=103'] Exploring Operation: 97*103=9991, Resulting Numbers: [9991] 9991,91 unequal: No Solution Exploring Operation: 103-97=6, Resulting Numbers: [6] 6,91 unequal: No Solution Exploring Operation: 97+103=200, Resulting Numbers: [200] 200,91 unequal: No Solution No 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: 91:[86, 114], Operations: ['20-3=17', '97+17=114'] Exploring Operation: 86+114=200, Resulting Numbers: [200] 200,91 unequal: No Solution Exploring Operation: 114-86=28, Resulting Numbers: [28] 28,91 unequal: No Solution Exploring Operation: 86*114=9804, Resulting Numbers: [9804] 9804,91 unequal: No Solution No 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: 91:[97, 69], Operations: ['20-3=17', '86-17=69'] Exploring Operation: 97+69=166, Resulting Numbers: [166] 166,91 unequal: No Solution Exploring Operation: 97*69=6693, Resulting Numbers: [6693] 6693,91 unequal: No Solution Exploring Operation: 97-69=28, Resulting Numbers: [28] 28,91 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: 91:[97, 20, 89], Operations: ['3+86=89'] Exploring Operation: 97-89=8, Resulting Numbers: [20, 8] Generated Node #0,2,0: 91:[20, 8] Operation: 97-89=8 Exploring Operation: 20+89=109, Resulting Numbers: [97, 109] Generated Node #0,2,1: 91:[97, 109] Operation: 20+89=109 Exploring Operation: 97+20=117, Resulting Numbers: [89, 117] Generated Node #0,2,2: 91:[89, 117] Operation: 97+20=117 Exploring Operation: 89-20=69, Resulting Numbers: [97, 69] Generated Node #0,2,3: 91:[97, 69] Operation: 89-20=69 Exploring Operation: 97-20=77, Resulting Numbers: [89, 77] Generated Node #0,2,4: 91:[89, 77] Operation: 97-20=77 Moving to Node #0,2,0 Current State: 91:[20, 8], Operations: ['3+86=89', '97-89=8'] Exploring Operation: 20*8=160, Resulting Numbers: [160] 160,91 unequal: No Solution Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,91 unequal: No Solution Moving to Node #0,2,4 Current State: 91:[89, 77], Operations: ['3+86=89', '97-20=77'] Exploring Operation: 89+77=166, Resulting Numbers: [166] 166,91 unequal: No Solution Exploring Operation: 89-77=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 89*77=6853, Resulting Numbers: [6853] 6853,91 unequal: No Solution Moving to Node #0,2,1 Current State: 91:[97, 109], Operations: ['3+86=89', '20+89=109'] Exploring Operation: 109-97=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 97*109=10573, Resulting Numbers: [10573] 10573,91 unequal: No Solution Exploring Operation: 97+109=206, Resulting Numbers: [206] 206,91 unequal: No Solution Moving to Node #0,2,2 Current State: 91:[89, 117], Operations: ['3+86=89', '97+20=117'] Exploring Operation: 89+117=206, Resulting Numbers: [206] 206,91 unequal: No Solution Exploring Operation: 89*117=10413, Resulting Numbers: [10413] 10413,91 unequal: No Solution Exploring Operation: 117-89=28, Resulting Numbers: [28] 28,91 unequal: No Solution Moving to Node #0,2,3 Current State: 91:[97, 69], Operations: ['3+86=89', '89-20=69'] Exploring Operation: 97-69=28, Resulting Numbers: [28] 28,91 unequal: No Solution Exploring Operation: 97*69=6693, Resulting Numbers: [6693] 6693,91 unequal: No Solution Exploring Operation: 97+69=166, Resulting Numbers: [166] 166,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 91:[86, 20, 94], Operations: ['97-3=94'] Exploring Operation: 20+94=114, Resulting Numbers: [86, 114] Generated Node #0,3,0: 91:[86, 114] Operation: 20+94=114 Exploring Operation: 86+20=106, Resulting Numbers: [94, 106] Generated Node #0,3,1: 91:[94, 106] Operation: 86+20=106 Exploring Operation: 86-20=66, Resulting Numbers: [94, 66] Generated Node #0,3,2: 91:[94, 66] Operation: 86-20=66 Exploring Operation: 94-20=74, Resulting Numbers: [86, 74] Generated Node #0,3,3: 91:[86, 74] Operation: 94-20=74 Exploring Operation: 94-86=8, Resulting Numbers: [20, 8] Generated Node #0,3,4: 91:[20, 8] Operation: 94-86=8 Moving to Node #0,3,4 Current State: 91:[20, 8], Operations: ['97-3=94', '94-86=8'] Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,91 unequal: No Solution Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 20*8=160, Resulting Numbers: [160] 160,91 unequal: No Solution Moving to Node #0,3,1 Current State: 91:[94, 106], Operations: ['97-3=94', '86+20=106'] Exploring Operation: 94+106=200, Resulting Numbers: [200] 200,91 unequal: No Solution Exploring Operation: 94*106=9964, Resulting Numbers: [9964] 9964,91 unequal: No Solution Exploring Operation: 106-94=12, Resulting Numbers: [12] 12,91 unequal: No Solution Moving to Node #0,3,3 Current State: 91:[86, 74], Operations: ['97-3=94', '94-20=74'] Exploring Operation: 86+74=160, Resulting Numbers: [160] 160,91 unequal: No Solution Exploring Operation: 86-74=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 86*74=6364, Resulting Numbers: [6364] 6364,91 unequal: No Solution Moving to Node #0,3,0 Current State: 91:[86, 114], Operations: ['97-3=94', '20+94=114'] Exploring Operation: 114-86=28, Resulting Numbers: [28] 28,91 unequal: No Solution Exploring Operation: 86*114=9804, Resulting Numbers: [9804] 9804,91 unequal: No Solution Exploring Operation: 86+114=200, Resulting Numbers: [200] 200,91 unequal: No Solution Moving to Node #0,3,2 Current State: 91:[94, 66], Operations: ['97-3=94', '86-20=66'] Exploring Operation: 94+66=160, Resulting Numbers: [160] 160,91 unequal: No Solution Exploring Operation: 94-66=28, Resulting Numbers: [28] 28,91 unequal: No Solution Exploring Operation: 94*66=6204, Resulting Numbers: [6204] 6204,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[86, 20, 100], Operations: ['97+3=100'] Exploring Operation: 86+20=106, Resulting Numbers: [100, 106] Generated Node #0,0,0: 91:[100, 106] Operation: 86+20=106 Exploring Operation: 100-86=14, Resulting Numbers: [20, 14] Generated Node #0,0,1: 91:[20, 14] Operation: 100-86=14 Exploring Operation: 100/20=5, Resulting Numbers: [86, 5] Generated Node #0,0,2: 91:[86, 5] Operation: 100/20=5 Exploring Operation: 100-20=80, Resulting Numbers: [86, 80] Generated Node #0,0,3: 91:[86, 80] Operation: 100-20=80 Exploring Operation: 86-20=66, Resulting Numbers: [100, 66] Generated Node #0,0,4: 91:[100, 66] Operation: 86-20=66 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 91:[86, 5], Operations: ['97+3=100', '100/20=5'] Exploring Operation: 86-5=81, Resulting Numbers: [81] 81,91 unequal: No Solution Exploring Operation: 86+5=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[97, 3, 86, 20], Operations: [] Exploring Operation: 97+3=100, Resulting Numbers: [86, 20, 100] Generated Node #0,0: 91:[86, 20, 100] Operation: 97+3=100 Moving to Node #0,0 Current State: 91:[86, 20, 100], Operations: ['97+3=100'] Exploring Operation: 100/20=5, Resulting Numbers: [86, 5] Generated Node #0,0,2: 91:[86, 5] Operation: 100/20=5 Moving to Node #0,0,2 Current State: 91:[86, 5], Operations: ['97+3=100', '100/20=5'] Exploring Operation: 86+5=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.915799
hs_5
mult_heuristic
[ 6, 33, 79, 39 ]
13
[ "33-6=27", "79-39=40", "40-27=13" ]
Current State: 13:[6, 33, 79, 39], Operations: [] Exploring Operation: 33-6=27, Resulting Numbers: [79, 39, 27] Generated Node #2: [79, 39, 27] from Operation: 33-6=27 Current State: 13:[79, 39, 27], Operations: ['33-6=27'] Exploring Operation: 79-39=40, Resulting Numbers: [27, 40] Generated Node #3: [27, 40] from Operation: 79-39=40 Current State: 13:[27, 40], Operations: ['33-6=27', '79-39=40'] Exploring Operation: 40-27=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[6, 33, 79, 39], Operations: [] Exploring Operation: 33-6=27, Resulting Numbers: [79, 39, 27] Generated Node #0,0: 13:[79, 39, 27] Operation: 33-6=27 Exploring Operation: 79-33=46, Resulting Numbers: [6, 39, 46] Generated Node #0,1: 13:[6, 39, 46] Operation: 79-33=46 Exploring Operation: 79-39=40, Resulting Numbers: [6, 33, 40] Generated Node #0,2: 13:[6, 33, 40] Operation: 79-39=40 Exploring Operation: 39-33=6, Resulting Numbers: [6, 79, 6] Generated Node #0,3: 13:[6, 79, 6] Operation: 39-33=6 Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[6, 33, 40], Operations: ['79-39=40'] Exploring Operation: 33-6=27, Resulting Numbers: [40, 27] Generated Node #0,2,0: 13:[40, 27] Operation: 33-6=27 Exploring Operation: 40-6=34, Resulting Numbers: [33, 34] Generated Node #0,2,1: 13:[33, 34] Operation: 40-6=34 Exploring Operation: 40-33=7, Resulting Numbers: [6, 7] Generated Node #0,2,2: 13:[6, 7] Operation: 40-33=7 Exploring Operation: 6+33=39, Resulting Numbers: [40, 39] Generated Node #0,2,3: 13:[40, 39] Operation: 6+33=39 Moving to Node #0,2,2 Current State: 13:[6, 7], Operations: ['79-39=40', '40-33=7'] Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,13 unequal: No Solution Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[6, 33, 79, 39], Operations: [] Exploring Operation: 79-39=40, Resulting Numbers: [6, 33, 40] Generated Node #0,2: 13:[6, 33, 40] Operation: 79-39=40 Moving to Node #0,2 Current State: 13:[6, 33, 40], Operations: ['79-39=40'] Exploring Operation: 40-33=7, Resulting Numbers: [6, 7] Generated Node #0,2,2: 13:[6, 7] Operation: 40-33=7 Moving to Node #0,2,2 Current State: 13:[6, 7], Operations: ['79-39=40', '40-33=7'] Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 1, 44, 8, 30 ]
98
[ "8-1=7", "44-30=14", "7*14=98" ]
Current State: 98:[1, 44, 8, 30], Operations: [] Exploring Operation: 8-1=7, Resulting Numbers: [44, 30, 7] Generated Node #2: [44, 30, 7] from Operation: 8-1=7 Current State: 98:[44, 30, 7], Operations: ['8-1=7'] Exploring Operation: 44-30=14, Resulting Numbers: [7, 14] Generated Node #3: [7, 14] from Operation: 44-30=14 Current State: 98:[7, 14], Operations: ['8-1=7', '44-30=14'] Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[1, 44, 8, 30], Operations: [] Exploring Operation: 44-30=14, Resulting Numbers: [1, 8, 14] Generated Node #0,0: 98:[1, 8, 14] Operation: 44-30=14 Exploring Operation: 30-8=22, Resulting Numbers: [1, 44, 22] Generated Node #0,1: 98:[1, 44, 22] Operation: 30-8=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[1, 8, 14], Operations: ['44-30=14'] Exploring Operation: 1*8=8, Resulting Numbers: [14, 8] Generated Node #0,0,0: 98:[14, 8] Operation: 1*8=8 Exploring Operation: 8-1=7, Resulting Numbers: [14, 7] Generated Node #0,0,1: 98:[14, 7] Operation: 8-1=7 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 98:[14, 7], Operations: ['44-30=14', '8-1=7'] Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[1, 44, 8, 30], Operations: [] Exploring Operation: 44-30=14, Resulting Numbers: [1, 8, 14] Generated Node #0,0: 98:[1, 8, 14] Operation: 44-30=14 Moving to Node #0,0 Current State: 98:[1, 8, 14], Operations: ['44-30=14'] Exploring Operation: 8-1=7, Resulting Numbers: [14, 7] Generated Node #0,0,1: 98:[14, 7] Operation: 8-1=7 Moving to Node #0,0,1 Current State: 98:[14, 7], Operations: ['44-30=14', '8-1=7'] Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 21, 94, 20, 84 ]
14
[ "84/21=4", "20*4=80", "94-80=14" ]
Current State: 14:[21, 94, 20, 84], Operations: [] Exploring Operation: 84/21=4, Resulting Numbers: [94, 20, 4] Generated Node #2: [94, 20, 4] from Operation: 84/21=4 Current State: 14:[94, 20, 4], Operations: ['84/21=4'] Exploring Operation: 20*4=80, Resulting Numbers: [94, 80] Generated Node #3: [94, 80] from Operation: 20*4=80 Current State: 14:[94, 80], Operations: ['84/21=4', '20*4=80'] Exploring Operation: 94-80=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[21, 94, 20, 84], Operations: [] Exploring Operation: 94-84=10, Resulting Numbers: [21, 20, 10] Generated Node #0,0: 14:[21, 20, 10] Operation: 94-84=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[21, 20, 10], Operations: ['94-84=10'] Exploring Operation: 21-20=1, Resulting Numbers: [10, 1] Generated Node #0,0,0: 14:[10, 1] Operation: 21-20=1 Moving to Node #0,0,0 Current State: 14:[10, 1], Operations: ['94-84=10', '21-20=1'] Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,14 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
[ 1, 31, 40, 28 ]
10
[ "1+31=32", "32-28=4", "40/4=10" ]
Current State: 10:[1, 31, 40, 28], Operations: [] Exploring Operation: 1+31=32, Resulting Numbers: [40, 28, 32] Generated Node #2: [40, 28, 32] from Operation: 1+31=32 Current State: 10:[40, 28, 32], Operations: ['1+31=32'] Exploring Operation: 32-28=4, Resulting Numbers: [40, 4] Generated Node #3: [40, 4] from Operation: 32-28=4 Current State: 10:[40, 4], Operations: ['1+31=32', '32-28=4'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[1, 31, 40, 28], Operations: [] Exploring Operation: 31-28=3, Resulting Numbers: [1, 40, 3] Generated Node #0,0: 10:[1, 40, 3] Operation: 31-28=3 Exploring Operation: 40-28=12, Resulting Numbers: [1, 31, 12] Generated Node #0,1: 10:[1, 31, 12] Operation: 40-28=12 Exploring Operation: 40-31=9, Resulting Numbers: [1, 28, 9] Generated Node #0,2: 10:[1, 28, 9] Operation: 40-31=9 Moving to Node #0,2 Current State: 10:[1, 28, 9], Operations: ['40-31=9'] Exploring Operation: 1+9=10, Resulting Numbers: [28, 10] Generated Node #0,2,0: 10:[28, 10] Operation: 1+9=10 Exploring Operation: 28-1=27, Resulting Numbers: [9, 27] Generated Node #0,2,1: 10:[9, 27] Operation: 28-1=27 Exploring Operation: 28-9=19, Resulting Numbers: [1, 19] Generated Node #0,2,2: 10:[1, 19] Operation: 28-9=19 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 10:[1, 19], Operations: ['40-31=9', '28-9=19'] Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 1*19=19, Resulting Numbers: [19] 19,10 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:[28, 10], Operations: ['40-31=9', '1+9=10'] Exploring Operation: 28+10=38, Resulting Numbers: [38] 38,10 unequal: No Solution Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 28*10=280, Resulting Numbers: [280] 280,10 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 #0,2,1 Current State: 10:[9, 27], Operations: ['40-31=9', '28-1=27'] Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,10 unequal: No Solution Exploring Operation: 9+27=36, Resulting Numbers: [36] 36,10 unequal: No Solution Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,10 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: 10:[1, 31, 12], Operations: ['40-28=12'] Exploring Operation: 31-12=19, Resulting Numbers: [1, 19] Generated Node #0,1,0: 10:[1, 19] Operation: 31-12=19 Exploring Operation: 31-1=30, Resulting Numbers: [12, 30] Generated Node #0,1,1: 10:[12, 30] Operation: 31-1=30 Exploring Operation: 12-1=11, Resulting Numbers: [31, 11] Generated Node #0,1,2: 10:[31, 11] Operation: 12-1=11 Moving to Node #0,0 Current State: 10:[1, 40, 3], Operations: ['31-28=3'] Exploring Operation: 40-1=39, Resulting Numbers: [3, 39] Generated Node #0,0,0: 10:[3, 39] Operation: 40-1=39 Exploring Operation: 3-1=2, Resulting Numbers: [40, 2] Generated Node #0,0,1: 10:[40, 2] Operation: 3-1=2 Exploring Operation: 40-3=37, Resulting Numbers: [1, 37] Generated Node #0,0,2: 10:[1, 37] Operation: 40-3=37 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 10:[1, 37], Operations: ['31-28=3', '40-3=37'] Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,10 unequal: No Solution Exploring Operation: 1*37=37, Resulting Numbers: [37] 37,10 unequal: No Solution Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 10:[3, 39], Operations: ['31-28=3', '40-1=39'] Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,10 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,10 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 10:[40, 2], Operations: ['31-28=3', '3-1=2'] Exploring Operation: 40+2=42, Resulting Numbers: [42] 42,10 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,10 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,10 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: 10:[1, 19], Operations: ['40-28=12', '31-12=19'] Exploring Operation: 1*19=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[12, 30], Operations: ['40-28=12', '31-1=30'] Exploring Operation: 12+30=42, Resulting Numbers: [42] 42,10 unequal: No Solution Exploring Operation: 12*30=360, Resulting Numbers: [360] 360,10 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,10 unequal: No Solution Moving to Node #0,1,2 Current State: 10:[31, 11], Operations: ['40-28=12', '12-1=11'] Exploring Operation: 31*11=341, Resulting Numbers: [341] 341,10 unequal: No Solution Exploring Operation: 31+11=42, Resulting Numbers: [42] 42,10 unequal: No Solution Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,10 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 44, 46, 63, 12 ]
39
[ "44+46=90", "63-12=51", "90-51=39" ]
Current State: 39:[44, 46, 63, 12], Operations: [] Exploring Operation: 44+46=90, Resulting Numbers: [63, 12, 90] Generated Node #2: [63, 12, 90] from Operation: 44+46=90 Current State: 39:[63, 12, 90], Operations: ['44+46=90'] Exploring Operation: 63-12=51, Resulting Numbers: [90, 51] Generated Node #3: [90, 51] from Operation: 63-12=51 Current State: 39:[90, 51], Operations: ['44+46=90', '63-12=51'] Exploring Operation: 90-51=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[44, 46, 63, 12], Operations: [] Exploring Operation: 63-46=17, Resulting Numbers: [44, 12, 17] Generated Node #0,0: 39:[44, 12, 17] Operation: 63-46=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[44, 12, 17], Operations: ['63-46=17'] Exploring Operation: 17-12=5, Resulting Numbers: [44, 5] Generated Node #0,0,0: 39:[44, 5] Operation: 17-12=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[44, 5], Operations: ['63-46=17', '17-12=5'] Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[44, 46, 63, 12], Operations: [] Exploring Operation: 63-46=17, Resulting Numbers: [44, 12, 17] Generated Node #0,0: 39:[44, 12, 17] Operation: 63-46=17 Moving to Node #0,0 Current State: 39:[44, 12, 17], Operations: ['63-46=17'] Exploring Operation: 17-12=5, Resulting Numbers: [44, 5] Generated Node #0,0,0: 39:[44, 5] Operation: 17-12=5 Moving to Node #0,0,0 Current State: 39:[44, 5], Operations: ['63-46=17', '17-12=5'] Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 42, 33, 76, 60 ]
25
[ "42-33=9", "76-60=16", "9+16=25" ]
Current State: 25:[42, 33, 76, 60], Operations: [] Exploring Operation: 42-33=9, Resulting Numbers: [76, 60, 9] Generated Node #2: [76, 60, 9] from Operation: 42-33=9 Current State: 25:[76, 60, 9], Operations: ['42-33=9'] Exploring Operation: 76-60=16, Resulting Numbers: [9, 16] Generated Node #3: [9, 16] from Operation: 76-60=16 Current State: 25:[9, 16], Operations: ['42-33=9', '76-60=16'] Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[42, 33, 76, 60], Operations: [] Exploring Operation: 76-33=43, Resulting Numbers: [42, 60, 43] Generated Node #0,0: 25:[42, 60, 43] Operation: 76-33=43 Exploring Operation: 76-42=34, Resulting Numbers: [33, 60, 34] Generated Node #0,1: 25:[33, 60, 34] Operation: 76-42=34 Exploring Operation: 60-42=18, Resulting Numbers: [33, 76, 18] Generated Node #0,2: 25:[33, 76, 18] Operation: 60-42=18 Exploring Operation: 76-60=16, Resulting Numbers: [42, 33, 16] Generated Node #0,3: 25:[42, 33, 16] Operation: 76-60=16 Start Sub Search at level 1: Moving to Node #0,3 Current State: 25:[42, 33, 16], Operations: ['76-60=16'] Exploring Operation: 33-16=17, Resulting Numbers: [42, 17] Generated Node #0,3,0: 25:[42, 17] Operation: 33-16=17 Exploring Operation: 42-16=26, Resulting Numbers: [33, 26] Generated Node #0,3,1: 25:[33, 26] Operation: 42-16=26 Exploring Operation: 42+16=58, Resulting Numbers: [33, 58] Generated Node #0,3,2: 25:[33, 58] Operation: 42+16=58 Exploring Operation: 42-33=9, Resulting Numbers: [16, 9] Generated Node #0,3,3: 25:[16, 9] Operation: 42-33=9 Moving to Node #0,3,1 Current State: 25:[33, 26], Operations: ['76-60=16', '42-16=26'] Exploring Operation: 33+26=59, Resulting Numbers: [59] 59,25 unequal: No Solution Exploring Operation: 33*26=858, Resulting Numbers: [858] 858,25 unequal: No Solution Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,25 unequal: No Solution Moving to Node #0,3,3 Current State: 25:[16, 9], Operations: ['76-60=16', '42-33=9'] Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 16*9=144, Resulting Numbers: [144] 144,25 unequal: No Solution Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[42, 33, 76, 60], Operations: [] Exploring Operation: 76-60=16, Resulting Numbers: [42, 33, 16] Generated Node #0,3: 25:[42, 33, 16] Operation: 76-60=16 Moving to Node #0,3 Current State: 25:[42, 33, 16], Operations: ['76-60=16'] Exploring Operation: 42-33=9, Resulting Numbers: [16, 9] Generated Node #0,3,3: 25:[16, 9] Operation: 42-33=9 Moving to Node #0,3,3 Current State: 25:[16, 9], Operations: ['76-60=16', '42-33=9'] Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 16, 23, 22, 46 ]
14
[ "16*23=368", "368/46=8", "22-8=14" ]
Current State: 14:[16, 23, 22, 46], Operations: [] Exploring Operation: 16*23=368, Resulting Numbers: [22, 46, 368] Generated Node #2: [22, 46, 368] from Operation: 16*23=368 Current State: 14:[22, 46, 368], Operations: ['16*23=368'] Exploring Operation: 368/46=8, Resulting Numbers: [22, 8] Generated Node #3: [22, 8] from Operation: 368/46=8 Current State: 14:[22, 8], Operations: ['16*23=368', '368/46=8'] Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[16, 23, 22, 46], Operations: [] Exploring Operation: 46/23=2, Resulting Numbers: [16, 22, 2] Generated Node #0,0: 14:[16, 22, 2] Operation: 46/23=2 Moving to Node #0,0 Current State: 14:[16, 22, 2], Operations: ['46/23=2'] Exploring Operation: 22-16=6, Resulting Numbers: [2, 6] Generated Node #0,0,0: 14:[2, 6] Operation: 22-16=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 14:[2, 6], Operations: ['46/23=2', '22-16=6'] Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,14 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
[ 62, 36, 89, 13 ]
50
[ "62-36=26", "89-13=76", "76-26=50" ]
Current State: 50:[62, 36, 89, 13], Operations: [] Exploring Operation: 62-36=26, Resulting Numbers: [89, 13, 26] Generated Node #2: [89, 13, 26] from Operation: 62-36=26 Current State: 50:[89, 13, 26], Operations: ['62-36=26'] Exploring Operation: 89-13=76, Resulting Numbers: [26, 76] Generated Node #3: [26, 76] from Operation: 89-13=76 Current State: 50:[26, 76], Operations: ['62-36=26', '89-13=76'] Exploring Operation: 76-26=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[62, 36, 89, 13], Operations: [] Exploring Operation: 89-62=27, Resulting Numbers: [36, 13, 27] Generated Node #0,0: 50:[36, 13, 27] Operation: 89-62=27 Moving to Node #0,0 Current State: 50:[36, 13, 27], Operations: ['89-62=27'] Exploring Operation: 36+13=49, Resulting Numbers: [27, 49] Generated Node #0,0,0: 50:[27, 49] Operation: 36+13=49 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[27, 49], Operations: ['89-62=27', '36+13=49'] Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,50 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
[ 15, 2, 6, 60 ]
16
[ "60/15=4", "2*6=12", "4+12=16" ]
Current State: 16:[15, 2, 6, 60], Operations: [] Exploring Operation: 60/15=4, Resulting Numbers: [2, 6, 4] Generated Node #2: [2, 6, 4] from Operation: 60/15=4 Current State: 16:[2, 6, 4], Operations: ['60/15=4'] Exploring Operation: 2*6=12, Resulting Numbers: [4, 12] Generated Node #3: [4, 12] from Operation: 2*6=12 Current State: 16:[4, 12], Operations: ['60/15=4', '2*6=12'] Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[15, 2, 6, 60], Operations: [] Exploring Operation: 60/2=30, Resulting Numbers: [15, 6, 30] Generated Node #0,0: 16:[15, 6, 30] Operation: 60/2=30 Exploring Operation: 60/6=10, Resulting Numbers: [15, 2, 10] Generated Node #0,1: 16:[15, 2, 10] Operation: 60/6=10 Exploring Operation: 60/15=4, Resulting Numbers: [2, 6, 4] Generated Node #0,2: 16:[2, 6, 4] Operation: 60/15=4 Moving to Node #0,2 Current State: 16:[2, 6, 4], Operations: ['60/15=4'] Exploring Operation: 6-4=2, Resulting Numbers: [2, 2] Generated Node #0,2,0: 16:[2, 2] Operation: 6-4=2 Exploring Operation: 2+6=8, Resulting Numbers: [4, 8] Generated Node #0,2,1: 16:[4, 8] Operation: 2+6=8 Exploring Operation: 6-2=4, Resulting Numbers: [4, 4] Generated Node #0,2,2: 16:[4, 4] Operation: 6-2=4 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 16:[2, 2], Operations: ['60/15=4', '6-4=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 16:[4, 8], Operations: ['60/15=4', '2+6=8'] Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,16 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 16:[4, 4], Operations: ['60/15=4', '6-2=4'] Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,16 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[15, 2, 6, 60], Operations: [] Exploring Operation: 60/15=4, Resulting Numbers: [2, 6, 4] Generated Node #0,2: 16:[2, 6, 4] Operation: 60/15=4 Moving to Node #0,2 Current State: 16:[2, 6, 4], Operations: ['60/15=4'] Exploring Operation: 6-2=4, Resulting Numbers: [4, 4] Generated Node #0,2,2: 16:[4, 4] Operation: 6-2=4 Moving to Node #0,2,2 Current State: 16:[4, 4], Operations: ['60/15=4', '6-2=4'] Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 41, 22, 4, 52 ]
29
[ "41-22=19", "52-4=48", "48-19=29" ]
Current State: 29:[41, 22, 4, 52], Operations: [] Exploring Operation: 41-22=19, Resulting Numbers: [4, 52, 19] Generated Node #2: [4, 52, 19] from Operation: 41-22=19 Current State: 29:[4, 52, 19], Operations: ['41-22=19'] Exploring Operation: 52-4=48, Resulting Numbers: [19, 48] Generated Node #3: [19, 48] from Operation: 52-4=48 Current State: 29:[19, 48], Operations: ['41-22=19', '52-4=48'] Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[41, 22, 4, 52], Operations: [] Exploring Operation: 52-22=30, Resulting Numbers: [41, 4, 30] Generated Node #0,0: 29:[41, 4, 30] Operation: 52-22=30 Exploring Operation: 52/4=13, Resulting Numbers: [41, 22, 13] Generated Node #0,1: 29:[41, 22, 13] Operation: 52/4=13 Exploring Operation: 52-4=48, Resulting Numbers: [41, 22, 48] Generated Node #0,2: 29:[41, 22, 48] Operation: 52-4=48 Exploring Operation: 22+4=26, Resulting Numbers: [41, 52, 26] Generated Node #0,3: 29:[41, 52, 26] Operation: 22+4=26 Exploring Operation: 41-4=37, Resulting Numbers: [22, 52, 37] Generated Node #0,4: 29:[22, 52, 37] Operation: 41-4=37 Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[41, 22, 13], Operations: ['52/4=13'] Exploring Operation: 22-13=9, Resulting Numbers: [41, 9] Generated Node #0,1,0: 29:[41, 9] Operation: 22-13=9 Exploring Operation: 41-13=28, Resulting Numbers: [22, 28] Generated Node #0,1,1: 29:[22, 28] Operation: 41-13=28 Exploring Operation: 41-22=19, Resulting Numbers: [13, 19] Generated Node #0,1,2: 29:[13, 19] Operation: 41-22=19 Exploring Operation: 41+13=54, Resulting Numbers: [22, 54] Generated Node #0,1,3: 29:[22, 54] Operation: 41+13=54 Exploring Operation: 22+13=35, Resulting Numbers: [41, 35] Generated Node #0,1,4: 29:[41, 35] Operation: 22+13=35 Moving to Node #0,1,1 Current State: 29:[22, 28], Operations: ['52/4=13', '41-13=28'] Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,29 unequal: No Solution Exploring Operation: 22*28=616, Resulting Numbers: [616] 616,29 unequal: No Solution Exploring Operation: 22+28=50, Resulting Numbers: [50] 50,29 unequal: No Solution Moving to Node #0,1,4 Current State: 29:[41, 35], Operations: ['52/4=13', '22+13=35'] Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,29 unequal: No Solution Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,29 unequal: No Solution Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[13, 19], Operations: ['52/4=13', '41-22=19'] Exploring Operation: 13*19=247, Resulting Numbers: [247] 247,29 unequal: No Solution Exploring Operation: 13+19=32, Resulting Numbers: [32] 32,29 unequal: No Solution Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[41, 9], Operations: ['52/4=13', '22-13=9'] Exploring Operation: 41-9=32, Resulting Numbers: [32] 32,29 unequal: No Solution Exploring Operation: 41+9=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 41*9=369, Resulting Numbers: [369] 369,29 unequal: No Solution Moving to Node #0,1,3 Current State: 29:[22, 54], Operations: ['52/4=13', '41+13=54'] Exploring Operation: 22+54=76, Resulting Numbers: [76] 76,29 unequal: No Solution Exploring Operation: 22*54=1188, Resulting Numbers: [1188] 1188,29 unequal: No Solution Exploring Operation: 54-22=32, Resulting Numbers: [32] 32,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[41, 4, 30], Operations: ['52-22=30'] Exploring Operation: 41-30=11, Resulting Numbers: [4, 11] Generated Node #0,0,0: 29:[4, 11] Operation: 41-30=11 Exploring Operation: 4+30=34, Resulting Numbers: [41, 34] Generated Node #0,0,1: 29:[41, 34] Operation: 4+30=34 Exploring Operation: 41-4=37, Resulting Numbers: [30, 37] Generated Node #0,0,2: 29:[30, 37] Operation: 41-4=37 Exploring Operation: 30-4=26, Resulting Numbers: [41, 26] Generated Node #0,0,3: 29:[41, 26] Operation: 30-4=26 Exploring Operation: 41+4=45, Resulting Numbers: [30, 45] Generated Node #0,0,4: 29:[30, 45] Operation: 41+4=45 Moving to Node #0,0,2 Current State: 29:[30, 37], Operations: ['52-22=30', '41-4=37'] Exploring Operation: 30+37=67, Resulting Numbers: [67] 67,29 unequal: No Solution Exploring Operation: 30*37=1110, Resulting Numbers: [1110] 1110,29 unequal: No Solution Exploring Operation: 37-30=7, Resulting Numbers: [7] 7,29 unequal: No Solution Moving to Node #0,0,3 Current State: 29:[41, 26], Operations: ['52-22=30', '30-4=26'] Exploring Operation: 41+26=67, Resulting Numbers: [67] 67,29 unequal: No Solution Exploring Operation: 41*26=1066, Resulting Numbers: [1066] 1066,29 unequal: No Solution Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[41, 34], Operations: ['52-22=30', '4+30=34'] Exploring Operation: 41*34=1394, Resulting Numbers: [1394] 1394,29 unequal: No Solution Exploring Operation: 41-34=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 41+34=75, Resulting Numbers: [75] 75,29 unequal: No Solution Moving to Node #0,0,4 Current State: 29:[30, 45], Operations: ['52-22=30', '41+4=45'] Exploring Operation: 30+45=75, Resulting Numbers: [75] 75,29 unequal: No Solution Exploring Operation: 45-30=15, Resulting Numbers: [15] 15,29 unequal: No Solution Exploring Operation: 30*45=1350, Resulting Numbers: [1350] 1350,29 unequal: No Solution Moving to Node #0,0,0 Current State: 29:[4, 11], Operations: ['52-22=30', '41-30=11'] Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[41, 22, 48], Operations: ['52-4=48'] Exploring Operation: 41+22=63, Resulting Numbers: [48, 63] Generated Node #0,2,0: 29:[48, 63] Operation: 41+22=63 Exploring Operation: 48-22=26, Resulting Numbers: [41, 26] Generated Node #0,2,1: 29:[41, 26] Operation: 48-22=26 Exploring Operation: 41-22=19, Resulting Numbers: [48, 19] Generated Node #0,2,2: 29:[48, 19] Operation: 41-22=19 Exploring Operation: 22+48=70, Resulting Numbers: [41, 70] Generated Node #0,2,3: 29:[41, 70] Operation: 22+48=70 Exploring Operation: 48-41=7, Resulting Numbers: [22, 7] Generated Node #0,2,4: 29:[22, 7] Operation: 48-41=7 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 29:[41, 26], Operations: ['52-4=48', '48-22=26'] Exploring Operation: 41+26=67, Resulting Numbers: [67] 67,29 unequal: No Solution Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,29 unequal: No Solution Exploring Operation: 41*26=1066, Resulting Numbers: [1066] 1066,29 unequal: No Solution No 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: 29:[48, 19], Operations: ['52-4=48', '41-22=19'] Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[41, 22, 4, 52], Operations: [] Exploring Operation: 52-4=48, Resulting Numbers: [41, 22, 48] Generated Node #0,2: 29:[41, 22, 48] Operation: 52-4=48 Moving to Node #0,2 Current State: 29:[41, 22, 48], Operations: ['52-4=48'] Exploring Operation: 41-22=19, Resulting Numbers: [48, 19] Generated Node #0,2,2: 29:[48, 19] Operation: 41-22=19 Moving to Node #0,2,2 Current State: 29:[48, 19], Operations: ['52-4=48', '41-22=19'] Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.949653
hs_5
mult_heuristic
[ 56, 10, 53, 37 ]
81
[ "56-53=3", "37-10=27", "3*27=81" ]
Current State: 81:[56, 10, 53, 37], Operations: [] Exploring Operation: 56-53=3, Resulting Numbers: [10, 37, 3] Generated Node #2: [10, 37, 3] from Operation: 56-53=3 Current State: 81:[10, 37, 3], Operations: ['56-53=3'] Exploring Operation: 37-10=27, Resulting Numbers: [3, 27] Generated Node #3: [3, 27] from Operation: 37-10=27 Current State: 81:[3, 27], Operations: ['56-53=3', '37-10=27'] Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[56, 10, 53, 37], Operations: [] Exploring Operation: 56-53=3, Resulting Numbers: [10, 37, 3] Generated Node #0,0: 81:[10, 37, 3] Operation: 56-53=3 Exploring Operation: 53-37=16, Resulting Numbers: [56, 10, 16] Generated Node #0,1: 81:[56, 10, 16] Operation: 53-37=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[10, 37, 3], Operations: ['56-53=3'] Exploring Operation: 37-3=34, Resulting Numbers: [10, 34] Generated Node #0,0,0: 81:[10, 34] Operation: 37-3=34 Exploring Operation: 37-10=27, Resulting Numbers: [3, 27] Generated Node #0,0,1: 81:[3, 27] Operation: 37-10=27 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 81:[3, 27], Operations: ['56-53=3', '37-10=27'] Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[56, 10, 53, 37], Operations: [] Exploring Operation: 56-53=3, Resulting Numbers: [10, 37, 3] Generated Node #0,0: 81:[10, 37, 3] Operation: 56-53=3 Moving to Node #0,0 Current State: 81:[10, 37, 3], Operations: ['56-53=3'] Exploring Operation: 37-10=27, Resulting Numbers: [3, 27] Generated Node #0,0,1: 81:[3, 27] Operation: 37-10=27 Moving to Node #0,0,1 Current State: 81:[3, 27], Operations: ['56-53=3', '37-10=27'] Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 97, 3, 69, 84 ]
10
[ "97-84=13", "69/3=23", "23-13=10" ]
Current State: 10:[97, 3, 69, 84], Operations: [] Exploring Operation: 97-84=13, Resulting Numbers: [3, 69, 13] Generated Node #2: [3, 69, 13] from Operation: 97-84=13 Current State: 10:[3, 69, 13], Operations: ['97-84=13'] Exploring Operation: 69/3=23, Resulting Numbers: [13, 23] Generated Node #3: [13, 23] from Operation: 69/3=23 Current State: 10:[13, 23], Operations: ['97-84=13', '69/3=23'] Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[97, 3, 69, 84], Operations: [] Exploring Operation: 97-84=13, Resulting Numbers: [3, 69, 13] Generated Node #0,0: 10:[3, 69, 13] Operation: 97-84=13 Exploring Operation: 97-69=28, Resulting Numbers: [3, 84, 28] Generated Node #0,1: 10:[3, 84, 28] Operation: 97-69=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[3, 69, 13], Operations: ['97-84=13'] Exploring Operation: 69/3=23, Resulting Numbers: [13, 23] Generated Node #0,0,0: 10:[13, 23] Operation: 69/3=23 Exploring Operation: 69-13=56, Resulting Numbers: [3, 56] Generated Node #0,0,1: 10:[3, 56] Operation: 69-13=56 Moving to Node #0,0,0 Current State: 10:[13, 23], Operations: ['97-84=13', '69/3=23'] Exploring Operation: 13+23=36, Resulting Numbers: [36] 36,10 unequal: No Solution Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[97, 3, 69, 84], Operations: [] Exploring Operation: 97-84=13, Resulting Numbers: [3, 69, 13] Generated Node #0,0: 10:[3, 69, 13] Operation: 97-84=13 Moving to Node #0,0 Current State: 10:[3, 69, 13], Operations: ['97-84=13'] Exploring Operation: 69/3=23, Resulting Numbers: [13, 23] Generated Node #0,0,0: 10:[13, 23] Operation: 69/3=23 Moving to Node #0,0,0 Current State: 10:[13, 23], Operations: ['97-84=13', '69/3=23'] Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 3, 81, 44, 77 ]
34
[ "81-44=37", "3*37=111", "111-77=34" ]
Current State: 34:[3, 81, 44, 77], Operations: [] Exploring Operation: 81-44=37, Resulting Numbers: [3, 77, 37] Generated Node #2: [3, 77, 37] from Operation: 81-44=37 Current State: 34:[3, 77, 37], Operations: ['81-44=37'] Exploring Operation: 3*37=111, Resulting Numbers: [77, 111] Generated Node #3: [77, 111] from Operation: 3*37=111 Current State: 34:[77, 111], Operations: ['81-44=37', '3*37=111'] Exploring Operation: 111-77=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[3, 81, 44, 77], Operations: [] Exploring Operation: 77-44=33, Resulting Numbers: [3, 81, 33] Generated Node #0,0: 34:[3, 81, 33] Operation: 77-44=33 Exploring Operation: 81-77=4, Resulting Numbers: [3, 44, 4] Generated Node #0,1: 34:[3, 44, 4] Operation: 81-77=4 Exploring Operation: 81-44=37, Resulting Numbers: [3, 77, 37] Generated Node #0,2: 34:[3, 77, 37] Operation: 81-44=37 Moving to Node #0,1 Current State: 34:[3, 44, 4], Operations: ['81-77=4'] Exploring Operation: 44-4=40, Resulting Numbers: [3, 40] Generated Node #0,1,0: 34:[3, 40] Operation: 44-4=40 Exploring Operation: 44-3=41, Resulting Numbers: [4, 41] Generated Node #0,1,1: 34:[4, 41] Operation: 44-3=41 Exploring Operation: 44/4=11, Resulting Numbers: [3, 11] Generated Node #0,1,2: 34:[3, 11] Operation: 44/4=11 Moving to Node #0,2 Current State: 34:[3, 77, 37], Operations: ['81-44=37'] Exploring Operation: 37-3=34, Resulting Numbers: [77, 34] Generated Node #0,2,0: 34:[77, 34] Operation: 37-3=34 Exploring Operation: 77-3=74, Resulting Numbers: [37, 74] Generated Node #0,2,1: 34:[37, 74] Operation: 77-3=74 Exploring Operation: 77-37=40, Resulting Numbers: [3, 40] Generated Node #0,2,2: 34:[3, 40] Operation: 77-37=40 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 34:[3, 40], Operations: ['81-44=37', '77-37=40'] Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,34 unequal: No Solution Exploring Operation: 3+40=43, Resulting Numbers: [43] 43,34 unequal: No Solution Exploring Operation: 3*40=120, Resulting Numbers: [120] 120,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 34:[77, 34], Operations: ['81-44=37', '37-3=34'] Exploring Operation: 77+34=111, Resulting Numbers: [111] 111,34 unequal: No Solution Exploring Operation: 77*34=2618, Resulting Numbers: [2618] 2618,34 unequal: No Solution Exploring Operation: 77-34=43, Resulting Numbers: [43] 43,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 34:[37, 74], Operations: ['81-44=37', '77-3=74'] Exploring Operation: 74-37=37, Resulting Numbers: [37] 37,34 unequal: No Solution Exploring Operation: 74/37=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 37+74=111, Resulting Numbers: [111] 111,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 34:[3, 81, 33], Operations: ['77-44=33'] Exploring Operation: 81-33=48, Resulting Numbers: [3, 48] Generated Node #0,0,0: 34:[3, 48] Operation: 81-33=48 Exploring Operation: 81-3=78, Resulting Numbers: [33, 78] Generated Node #0,0,1: 34:[33, 78] Operation: 81-3=78 Exploring Operation: 81/3=27, Resulting Numbers: [33, 27] Generated Node #0,0,2: 34:[33, 27] Operation: 81/3=27 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 34:[33, 27], Operations: ['77-44=33', '81/3=27'] Exploring Operation: 33*27=891, Resulting Numbers: [891] 891,34 unequal: No Solution Exploring Operation: 33+27=60, Resulting Numbers: [60] 60,34 unequal: No Solution Exploring Operation: 33-27=6, Resulting Numbers: [6] 6,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[3, 48], Operations: ['77-44=33', '81-33=48'] Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 34:[33, 78], Operations: ['77-44=33', '81-3=78'] Exploring Operation: 33+78=111, Resulting Numbers: [111] 111,34 unequal: No Solution Exploring Operation: 78-33=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 33*78=2574, Resulting Numbers: [2574] 2574,34 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: 34:[3, 40], Operations: ['81-77=4', '44-4=40'] Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,34 unequal: No Solution Exploring Operation: 3+40=43, Resulting Numbers: [43] 43,34 unequal: No Solution Exploring Operation: 3*40=120, Resulting Numbers: [120] 120,34 unequal: No Solution Moving to Node #0,1,2 Current State: 34:[3, 11], Operations: ['81-77=4', '44/4=11'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,34 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,34 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,34 unequal: No Solution Moving to Node #0,1,1 Current State: 34:[4, 41], Operations: ['81-77=4', '44-3=41'] Exploring Operation: 4+41=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,34 unequal: No Solution Exploring Operation: 4*41=164, Resulting Numbers: [164] 164,34 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 39, 65, 36, 2 ]
88
[ "39+65=104", "104/2=52", "36+52=88" ]
Current State: 88:[39, 65, 36, 2], Operations: [] Exploring Operation: 39+65=104, Resulting Numbers: [36, 2, 104] Generated Node #2: [36, 2, 104] from Operation: 39+65=104 Current State: 88:[36, 2, 104], Operations: ['39+65=104'] Exploring Operation: 104/2=52, Resulting Numbers: [36, 52] Generated Node #3: [36, 52] from Operation: 104/2=52 Current State: 88:[36, 52], Operations: ['39+65=104', '104/2=52'] Exploring Operation: 36+52=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[39, 65, 36, 2], Operations: [] Exploring Operation: 65+36=101, Resulting Numbers: [39, 2, 101] Generated Node #0,0: 88:[39, 2, 101] Operation: 65+36=101 Exploring Operation: 65-36=29, Resulting Numbers: [39, 2, 29] Generated Node #0,1: 88:[39, 2, 29] Operation: 65-36=29 Exploring Operation: 39+65=104, Resulting Numbers: [36, 2, 104] Generated Node #0,2: 88:[36, 2, 104] Operation: 39+65=104 Exploring Operation: 39-36=3, Resulting Numbers: [65, 2, 3] Generated Node #0,3: 88:[65, 2, 3] Operation: 39-36=3 Exploring Operation: 65-39=26, Resulting Numbers: [36, 2, 26] Generated Node #0,4: 88:[36, 2, 26] Operation: 65-39=26 Moving to Node #0,1 Current State: 88:[39, 2, 29], Operations: ['65-36=29'] Exploring Operation: 39-2=37, Resulting Numbers: [29, 37] Generated Node #0,1,0: 88:[29, 37] Operation: 39-2=37 Exploring Operation: 39-29=10, Resulting Numbers: [2, 10] Generated Node #0,1,1: 88:[2, 10] Operation: 39-29=10 Exploring Operation: 39+2=41, Resulting Numbers: [29, 41] Generated Node #0,1,2: 88:[29, 41] Operation: 39+2=41 Exploring Operation: 2+29=31, Resulting Numbers: [39, 31] Generated Node #0,1,3: 88:[39, 31] Operation: 2+29=31 Exploring Operation: 29-2=27, Resulting Numbers: [39, 27] Generated Node #0,1,4: 88:[39, 27] Operation: 29-2=27 Moving to Node #0,4 Current State: 88:[36, 2, 26], Operations: ['65-39=26'] Exploring Operation: 26/2=13, Resulting Numbers: [36, 13] Generated Node #0,4,0: 88:[36, 13] Operation: 26/2=13 Exploring Operation: 36/2=18, Resulting Numbers: [26, 18] Generated Node #0,4,1: 88:[26, 18] Operation: 36/2=18 Exploring Operation: 26-2=24, Resulting Numbers: [36, 24] Generated Node #0,4,2: 88:[36, 24] Operation: 26-2=24 Exploring Operation: 36+2=38, Resulting Numbers: [26, 38] Generated Node #0,4,3: 88:[26, 38] Operation: 36+2=38 Exploring Operation: 36-26=10, Resulting Numbers: [2, 10] Generated Node #0,4,4: 88:[2, 10] Operation: 36-26=10 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 88:[2, 10], Operations: ['65-39=26', '36-26=10'] Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,88 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,88 unequal: No Solution Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,88 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 88:[26, 18], Operations: ['65-39=26', '36/2=18'] Exploring Operation: 26*18=468, Resulting Numbers: [468] 468,88 unequal: No Solution Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,88 unequal: No Solution Exploring Operation: 26+18=44, Resulting Numbers: [44] 44,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 88:[36, 13], Operations: ['65-39=26', '26/2=13'] Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,88 unequal: No Solution Exploring Operation: 36+13=49, Resulting Numbers: [49] 49,88 unequal: No Solution Exploring Operation: 36*13=468, Resulting Numbers: [468] 468,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 88:[36, 24], Operations: ['65-39=26', '26-2=24'] Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,88 unequal: No Solution Exploring Operation: 36*24=864, Resulting Numbers: [864] 864,88 unequal: No Solution Exploring Operation: 36+24=60, Resulting Numbers: [60] 60,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 88:[26, 38], Operations: ['65-39=26', '36+2=38'] Exploring Operation: 26*38=988, Resulting Numbers: [988] 988,88 unequal: No Solution Exploring Operation: 26+38=64, Resulting Numbers: [64] 64,88 unequal: No Solution Exploring Operation: 38-26=12, Resulting Numbers: [12] 12,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 88:[39, 2, 101], Operations: ['65+36=101'] Exploring Operation: 39+2=41, Resulting Numbers: [101, 41] Generated Node #0,0,0: 88:[101, 41] Operation: 39+2=41 Exploring Operation: 101-39=62, Resulting Numbers: [2, 62] Generated Node #0,0,1: 88:[2, 62] Operation: 101-39=62 Exploring Operation: 39-2=37, Resulting Numbers: [101, 37] Generated Node #0,0,2: 88:[101, 37] Operation: 39-2=37 Exploring Operation: 101-2=99, Resulting Numbers: [39, 99] Generated Node #0,0,3: 88:[39, 99] Operation: 101-2=99 Exploring Operation: 2+101=103, Resulting Numbers: [39, 103] Generated Node #0,0,4: 88:[39, 103] Operation: 2+101=103 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[101, 41], Operations: ['65+36=101', '39+2=41'] Exploring Operation: 101+41=142, Resulting Numbers: [142] 142,88 unequal: No Solution Exploring Operation: 101*41=4141, Resulting Numbers: [4141] 4141,88 unequal: No Solution Exploring Operation: 101-41=60, Resulting Numbers: [60] 60,88 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 #0,0,3 Current State: 88:[39, 99], Operations: ['65+36=101', '101-2=99'] Exploring Operation: 39*99=3861, Resulting Numbers: [3861] 3861,88 unequal: No Solution Exploring Operation: 99-39=60, Resulting Numbers: [60] 60,88 unequal: No Solution Exploring Operation: 39+99=138, Resulting Numbers: [138] 138,88 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:[2, 62], Operations: ['65+36=101', '101-39=62'] Exploring Operation: 2+62=64, Resulting Numbers: [64] 64,88 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,88 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,88 unequal: No Solution Exploring Operation: 2*62=124, Resulting Numbers: [124] 124,88 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:[101, 37], Operations: ['65+36=101', '39-2=37'] Exploring Operation: 101-37=64, Resulting Numbers: [64] 64,88 unequal: No Solution Exploring Operation: 101*37=3737, Resulting Numbers: [3737] 3737,88 unequal: No Solution Exploring Operation: 101+37=138, Resulting Numbers: [138] 138,88 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 #0,0,4 Current State: 88:[39, 103], Operations: ['65+36=101', '2+101=103'] Exploring Operation: 39+103=142, Resulting Numbers: [142] 142,88 unequal: No Solution Exploring Operation: 39*103=4017, Resulting Numbers: [4017] 4017,88 unequal: No Solution Exploring Operation: 103-39=64, Resulting Numbers: [64] 64,88 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: 88:[65, 2, 3], Operations: ['39-36=3'] Exploring Operation: 65+3=68, Resulting Numbers: [2, 68] Generated Node #0,3,0: 88:[2, 68] Operation: 65+3=68 Exploring Operation: 65-2=63, Resulting Numbers: [3, 63] Generated Node #0,3,1: 88:[3, 63] Operation: 65-2=63 Exploring Operation: 2+3=5, Resulting Numbers: [65, 5] Generated Node #0,3,2: 88:[65, 5] Operation: 2+3=5 Exploring Operation: 65-3=62, Resulting Numbers: [2, 62] Generated Node #0,3,3: 88:[2, 62] Operation: 65-3=62 Exploring Operation: 65+2=67, Resulting Numbers: [3, 67] Generated Node #0,3,4: 88:[3, 67] Operation: 65+2=67 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 88:[2, 62], Operations: ['39-36=3', '65-3=62'] Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,88 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,88 unequal: No Solution Exploring Operation: 2+62=64, Resulting Numbers: [64] 64,88 unequal: No Solution Exploring Operation: 2*62=124, Resulting Numbers: [124] 124,88 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 #0,3,0 Current State: 88:[2, 68], Operations: ['39-36=3', '65+3=68'] Exploring Operation: 2*68=136, Resulting Numbers: [136] 136,88 unequal: No Solution Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,88 unequal: No Solution Exploring Operation: 68/2=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 2+68=70, Resulting Numbers: [70] 70,88 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 #0,3,1 Current State: 88:[3, 63], Operations: ['39-36=3', '65-2=63'] Exploring Operation: 3*63=189, Resulting Numbers: [189] 189,88 unequal: No Solution Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,88 unequal: No Solution Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,88 unequal: No Solution Exploring Operation: 3+63=66, Resulting Numbers: [66] 66,88 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 #0,3,2 Current State: 88:[65, 5], Operations: ['39-36=3', '2+3=5'] Exploring Operation: 65*5=325, Resulting Numbers: [325] 325,88 unequal: No Solution Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,88 unequal: No Solution Exploring Operation: 65+5=70, Resulting Numbers: [70] 70,88 unequal: No Solution Exploring Operation: 65-5=60, Resulting Numbers: [60] 60,88 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 #0,3,4 Current State: 88:[3, 67], Operations: ['39-36=3', '65+2=67'] Exploring Operation: 3*67=201, Resulting Numbers: [201] 201,88 unequal: No Solution Exploring Operation: 3+67=70, Resulting Numbers: [70] 70,88 unequal: No Solution Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,88 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: 88:[36, 2, 104], Operations: ['39+65=104'] Exploring Operation: 104-36=68, Resulting Numbers: [2, 68] Generated Node #0,2,0: 88:[2, 68] Operation: 104-36=68 Exploring Operation: 104-2=102, Resulting Numbers: [36, 102] Generated Node #0,2,1: 88:[36, 102] Operation: 104-2=102 Exploring Operation: 104/2=52, Resulting Numbers: [36, 52] Generated Node #0,2,2: 88:[36, 52] Operation: 104/2=52 Exploring Operation: 36/2=18, Resulting Numbers: [104, 18] Generated Node #0,2,3: 88:[104, 18] Operation: 36/2=18 Exploring Operation: 36+2=38, Resulting Numbers: [104, 38] Generated Node #0,2,4: 88:[104, 38] Operation: 36+2=38 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 88:[36, 52], Operations: ['39+65=104', '104/2=52'] Exploring Operation: 36+52=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[39, 65, 36, 2], Operations: [] Exploring Operation: 39+65=104, Resulting Numbers: [36, 2, 104] Generated Node #0,2: 88:[36, 2, 104] Operation: 39+65=104 Moving to Node #0,2 Current State: 88:[36, 2, 104], Operations: ['39+65=104'] Exploring Operation: 104/2=52, Resulting Numbers: [36, 52] Generated Node #0,2,2: 88:[36, 52] Operation: 104/2=52 Moving to Node #0,2,2 Current State: 88:[36, 52], Operations: ['39+65=104', '104/2=52'] Exploring Operation: 36+52=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.925347
hs_5
sum_heuristic
[ 67, 50, 74, 16 ]
74
[ "67-50=17", "17-16=1", "74*1=74" ]
Current State: 74:[67, 50, 74, 16], Operations: [] Exploring Operation: 67-50=17, Resulting Numbers: [74, 16, 17] Generated Node #2: [74, 16, 17] from Operation: 67-50=17 Current State: 74:[74, 16, 17], Operations: ['67-50=17'] Exploring Operation: 17-16=1, Resulting Numbers: [74, 1] Generated Node #3: [74, 1] from Operation: 17-16=1 Current State: 74:[74, 1], Operations: ['67-50=17', '17-16=1'] Exploring Operation: 74*1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[67, 50, 74, 16], Operations: [] Exploring Operation: 50-16=34, Resulting Numbers: [67, 74, 34] Generated Node #0,0: 74:[67, 74, 34] Operation: 50-16=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[67, 74, 34], Operations: ['50-16=34'] Exploring Operation: 67-34=33, Resulting Numbers: [74, 33] Generated Node #0,0,0: 74:[74, 33] Operation: 67-34=33 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 74:[74, 33], Operations: ['50-16=34', '67-34=33'] Exploring Operation: 74-33=41, Resulting Numbers: [41] 41,74 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
[ 77, 36, 65, 70 ]
73
[ "77-65=12", "36/12=3", "70+3=73" ]
Current State: 73:[77, 36, 65, 70], Operations: [] Exploring Operation: 77-65=12, Resulting Numbers: [36, 70, 12] Generated Node #2: [36, 70, 12] from Operation: 77-65=12 Current State: 73:[36, 70, 12], Operations: ['77-65=12'] Exploring Operation: 36/12=3, Resulting Numbers: [70, 3] Generated Node #3: [70, 3] from Operation: 36/12=3 Current State: 73:[70, 3], Operations: ['77-65=12', '36/12=3'] Exploring Operation: 70+3=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[77, 36, 65, 70], Operations: [] Exploring Operation: 36+65=101, Resulting Numbers: [77, 70, 101] Generated Node #0,0: 73:[77, 70, 101] Operation: 36+65=101 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[77, 70, 101], Operations: ['36+65=101'] Exploring Operation: 101-70=31, Resulting Numbers: [77, 31] Generated Node #0,0,0: 73:[77, 31] Operation: 101-70=31 Moving to Node #0,0,0 Current State: 73:[77, 31], Operations: ['36+65=101', '101-70=31'] Exploring Operation: 77-31=46, Resulting Numbers: [46] 46,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 60, 64, 47, 45 ]
56
[ "47-45=2", "60*2=120", "120-64=56" ]
Current State: 56:[60, 64, 47, 45], Operations: [] Exploring Operation: 47-45=2, Resulting Numbers: [60, 64, 2] Generated Node #2: [60, 64, 2] from Operation: 47-45=2 Current State: 56:[60, 64, 2], Operations: ['47-45=2'] Exploring Operation: 60*2=120, Resulting Numbers: [64, 120] Generated Node #3: [64, 120] from Operation: 60*2=120 Current State: 56:[64, 120], Operations: ['47-45=2', '60*2=120'] Exploring Operation: 120-64=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[60, 64, 47, 45], Operations: [] Exploring Operation: 47-45=2, Resulting Numbers: [60, 64, 2] Generated Node #0,0: 56:[60, 64, 2] Operation: 47-45=2 Moving to Node #0,0 Current State: 56:[60, 64, 2], Operations: ['47-45=2'] Exploring Operation: 64-60=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 56:[2, 4] Operation: 64-60=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[2, 4], Operations: ['47-45=2', '64-60=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,56 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
[ 90, 83, 39, 66 ]
68
[ "90+83=173", "39+66=105", "173-105=68" ]
Current State: 68:[90, 83, 39, 66], Operations: [] Exploring Operation: 90+83=173, Resulting Numbers: [39, 66, 173] Generated Node #2: [39, 66, 173] from Operation: 90+83=173 Current State: 68:[39, 66, 173], Operations: ['90+83=173'] Exploring Operation: 39+66=105, Resulting Numbers: [173, 105] Generated Node #3: [173, 105] from Operation: 39+66=105 Current State: 68:[173, 105], Operations: ['90+83=173', '39+66=105'] Exploring Operation: 173-105=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[90, 83, 39, 66], Operations: [] Exploring Operation: 90-66=24, Resulting Numbers: [83, 39, 24] Generated Node #0,0: 68:[83, 39, 24] Operation: 90-66=24 Exploring Operation: 90-83=7, Resulting Numbers: [39, 66, 7] Generated Node #0,1: 68:[39, 66, 7] Operation: 90-83=7 Moving to Node #0,1 Current State: 68:[39, 66, 7], Operations: ['90-83=7'] Exploring Operation: 66-39=27, Resulting Numbers: [7, 27] Generated Node #0,1,0: 68:[7, 27] Operation: 66-39=27 Exploring Operation: 39-7=32, Resulting Numbers: [66, 32] Generated Node #0,1,1: 68:[66, 32] Operation: 39-7=32 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 68:[66, 32], Operations: ['90-83=7', '39-7=32'] Exploring Operation: 66-32=34, Resulting Numbers: [34] 34,68 unequal: No Solution Exploring Operation: 66+32=98, Resulting Numbers: [98] 98,68 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 #0,1,0 Current State: 68:[7, 27], Operations: ['90-83=7', '66-39=27'] Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,68 unequal: No Solution Exploring Operation: 7+27=34, Resulting Numbers: [34] 34,68 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: 68:[83, 39, 24], Operations: ['90-66=24'] Exploring Operation: 83-24=59, Resulting Numbers: [39, 59] Generated Node #0,0,0: 68:[39, 59] Operation: 83-24=59 Exploring Operation: 83-39=44, Resulting Numbers: [24, 44] Generated Node #0,0,1: 68:[24, 44] Operation: 83-39=44 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[39, 59], Operations: ['90-66=24', '83-24=59'] Exploring Operation: 59-39=20, Resulting Numbers: [20] 20,68 unequal: No Solution Exploring Operation: 39+59=98, Resulting Numbers: [98] 98,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 68:[24, 44], Operations: ['90-66=24', '83-39=44'] Exploring Operation: 24+44=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[90, 83, 39, 66], Operations: [] Exploring Operation: 90-66=24, Resulting Numbers: [83, 39, 24] Generated Node #0,0: 68:[83, 39, 24] Operation: 90-66=24 Moving to Node #0,0 Current State: 68:[83, 39, 24], Operations: ['90-66=24'] Exploring Operation: 83-39=44, Resulting Numbers: [24, 44] Generated Node #0,0,1: 68:[24, 44] Operation: 83-39=44 Moving to Node #0,0,1 Current State: 68:[24, 44], Operations: ['90-66=24', '83-39=44'] Exploring Operation: 24+44=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_2
mult_heuristic
[ 16, 80, 79, 2 ]
55
[ "16+79=95", "80/2=40", "95-40=55" ]
Current State: 55:[16, 80, 79, 2], Operations: [] Exploring Operation: 16+79=95, Resulting Numbers: [80, 2, 95] Generated Node #2: [80, 2, 95] from Operation: 16+79=95 Current State: 55:[80, 2, 95], Operations: ['16+79=95'] Exploring Operation: 80/2=40, Resulting Numbers: [95, 40] Generated Node #3: [95, 40] from Operation: 80/2=40 Current State: 55:[95, 40], Operations: ['16+79=95', '80/2=40'] Exploring Operation: 95-40=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[16, 80, 79, 2], Operations: [] Exploring Operation: 80/16=5, Resulting Numbers: [79, 2, 5] Generated Node #0,0: 55:[79, 2, 5] Operation: 80/16=5 Exploring Operation: 80-79=1, Resulting Numbers: [16, 2, 1] Generated Node #0,1: 55:[16, 2, 1] Operation: 80-79=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[16, 2, 1], Operations: ['80-79=1'] Exploring Operation: 16/2=8, Resulting Numbers: [1, 8] Generated Node #0,1,0: 55:[1, 8] Operation: 16/2=8 Exploring Operation: 16-2=14, Resulting Numbers: [1, 14] Generated Node #0,1,1: 55:[1, 14] Operation: 16-2=14 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 55:[1, 8], Operations: ['80-79=1', '16/2=8'] Exploring Operation: 1+8=9, Resulting Numbers: [9] 9,55 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 55:[1, 14], Operations: ['80-79=1', '16-2=14'] Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[79, 2, 5], Operations: ['80/16=5'] Exploring Operation: 79-2=77, Resulting Numbers: [5, 77] Generated Node #0,0,0: 55:[5, 77] Operation: 79-2=77 Exploring Operation: 79-5=74, Resulting Numbers: [2, 74] Generated Node #0,0,1: 55:[2, 74] Operation: 79-5=74 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 55:[5, 77], Operations: ['80/16=5', '79-2=77'] Exploring Operation: 5+77=82, Resulting Numbers: [82] 82,55 unequal: No Solution Exploring Operation: 77-5=72, Resulting Numbers: [72] 72,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 55:[2, 74], Operations: ['80/16=5', '79-5=74'] Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,55 unequal: No Solution Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 36, 91, 52, 67 ]
64
[ "91-36=55", "52+67=119", "119-55=64" ]
Current State: 64:[36, 91, 52, 67], Operations: [] Exploring Operation: 91-36=55, Resulting Numbers: [52, 67, 55] Generated Node #2: [52, 67, 55] from Operation: 91-36=55 Current State: 64:[52, 67, 55], Operations: ['91-36=55'] Exploring Operation: 52+67=119, Resulting Numbers: [55, 119] Generated Node #3: [55, 119] from Operation: 52+67=119 Current State: 64:[55, 119], Operations: ['91-36=55', '52+67=119'] Exploring Operation: 119-55=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[36, 91, 52, 67], Operations: [] Exploring Operation: 91-52=39, Resulting Numbers: [36, 67, 39] Generated Node #0,0: 64:[36, 67, 39] Operation: 91-52=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[36, 67, 39], Operations: ['91-52=39'] Exploring Operation: 39-36=3, Resulting Numbers: [67, 3] Generated Node #0,0,0: 64:[67, 3] Operation: 39-36=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 64:[67, 3], Operations: ['91-52=39', '39-36=3'] Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[36, 91, 52, 67], Operations: [] Exploring Operation: 91-52=39, Resulting Numbers: [36, 67, 39] Generated Node #0,0: 64:[36, 67, 39] Operation: 91-52=39 Moving to Node #0,0 Current State: 64:[36, 67, 39], Operations: ['91-52=39'] Exploring Operation: 39-36=3, Resulting Numbers: [67, 3] Generated Node #0,0,0: 64:[67, 3] Operation: 39-36=3 Moving to Node #0,0,0 Current State: 64:[67, 3], Operations: ['91-52=39', '39-36=3'] Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 24, 87, 80, 95 ]
17
[ "24+95=119", "87-80=7", "119/7=17" ]
Current State: 17:[24, 87, 80, 95], Operations: [] Exploring Operation: 24+95=119, Resulting Numbers: [87, 80, 119] Generated Node #2: [87, 80, 119] from Operation: 24+95=119 Current State: 17:[87, 80, 119], Operations: ['24+95=119'] Exploring Operation: 87-80=7, Resulting Numbers: [119, 7] Generated Node #3: [119, 7] from Operation: 87-80=7 Current State: 17:[119, 7], Operations: ['24+95=119', '87-80=7'] Exploring Operation: 119/7=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[24, 87, 80, 95], Operations: [] Exploring Operation: 95-80=15, Resulting Numbers: [24, 87, 15] Generated Node #0,0: 17:[24, 87, 15] Operation: 95-80=15 Exploring Operation: 87-80=7, Resulting Numbers: [24, 95, 7] Generated Node #0,1: 17:[24, 95, 7] Operation: 87-80=7 Exploring Operation: 87-24=63, Resulting Numbers: [80, 95, 63] Generated Node #0,2: 17:[80, 95, 63] Operation: 87-24=63 Exploring Operation: 95-87=8, Resulting Numbers: [24, 80, 8] Generated Node #0,3: 17:[24, 80, 8] Operation: 95-87=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[24, 87, 15], Operations: ['95-80=15'] Exploring Operation: 24-15=9, Resulting Numbers: [87, 9] Generated Node #0,0,0: 17:[87, 9] Operation: 24-15=9 Exploring Operation: 87-15=72, Resulting Numbers: [24, 72] Generated Node #0,0,1: 17:[24, 72] Operation: 87-15=72 Exploring Operation: 87-24=63, Resulting Numbers: [15, 63] Generated Node #0,0,2: 17:[15, 63] Operation: 87-24=63 Exploring Operation: 24+15=39, Resulting Numbers: [87, 39] Generated Node #0,0,3: 17:[87, 39] Operation: 24+15=39 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 17:[15, 63], Operations: ['95-80=15', '87-24=63'] Exploring Operation: 15+63=78, Resulting Numbers: [78] 78,17 unequal: No Solution Exploring Operation: 63-15=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 15*63=945, Resulting Numbers: [945] 945,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 17:[24, 72], Operations: ['95-80=15', '87-15=72'] Exploring Operation: 24*72=1728, Resulting Numbers: [1728] 1728,17 unequal: No Solution Exploring Operation: 72/24=3, Resulting Numbers: [3] 3,17 unequal: No Solution Exploring Operation: 24+72=96, Resulting Numbers: [96] 96,17 unequal: No Solution Exploring Operation: 72-24=48, Resulting Numbers: [48] 48,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[87, 9], Operations: ['95-80=15', '24-15=9'] Exploring Operation: 87-9=78, Resulting Numbers: [78] 78,17 unequal: No Solution Exploring Operation: 87+9=96, Resulting Numbers: [96] 96,17 unequal: No Solution Exploring Operation: 87*9=783, Resulting Numbers: [783] 783,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 17:[87, 39], Operations: ['95-80=15', '24+15=39'] Exploring Operation: 87-39=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 87+39=126, Resulting Numbers: [126] 126,17 unequal: No Solution Exploring Operation: 87*39=3393, Resulting Numbers: [3393] 3393,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 17:[24, 80, 8], Operations: ['95-87=8'] Exploring Operation: 80-8=72, Resulting Numbers: [24, 72] Generated Node #0,3,0: 17:[24, 72] Operation: 80-8=72 Exploring Operation: 80/8=10, Resulting Numbers: [24, 10] Generated Node #0,3,1: 17:[24, 10] Operation: 80/8=10 Exploring Operation: 80-24=56, Resulting Numbers: [8, 56] Generated Node #0,3,2: 17:[8, 56] Operation: 80-24=56 Exploring Operation: 24-8=16, Resulting Numbers: [80, 16] Generated Node #0,3,3: 17:[80, 16] Operation: 24-8=16 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 17:[24, 10], Operations: ['95-87=8', '80/8=10'] Exploring Operation: 24*10=240, Resulting Numbers: [240] 240,17 unequal: No Solution Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,17 unequal: No Solution Exploring Operation: 24+10=34, Resulting Numbers: [34] 34,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 17:[8, 56], Operations: ['95-87=8', '80-24=56'] Exploring Operation: 56/8=7, Resulting Numbers: [7] 7,17 unequal: No Solution Exploring Operation: 56-8=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 8*56=448, Resulting Numbers: [448] 448,17 unequal: No Solution Exploring Operation: 8+56=64, Resulting Numbers: [64] 64,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 17:[24, 72], Operations: ['95-87=8', '80-8=72'] Exploring Operation: 24*72=1728, Resulting Numbers: [1728] 1728,17 unequal: No Solution Exploring Operation: 24+72=96, Resulting Numbers: [96] 96,17 unequal: No Solution Exploring Operation: 72-24=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 72/24=3, Resulting Numbers: [3] 3,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 17:[80, 16], Operations: ['95-87=8', '24-8=16'] Exploring Operation: 80+16=96, Resulting Numbers: [96] 96,17 unequal: No Solution Exploring Operation: 80-16=64, Resulting Numbers: [64] 64,17 unequal: No Solution Exploring Operation: 80/16=5, Resulting Numbers: [5] 5,17 unequal: No Solution Exploring Operation: 80*16=1280, Resulting Numbers: [1280] 1280,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[24, 95, 7], Operations: ['87-80=7'] Exploring Operation: 24+7=31, Resulting Numbers: [95, 31] Generated Node #0,1,0: 17:[95, 31] Operation: 24+7=31 Exploring Operation: 95-7=88, Resulting Numbers: [24, 88] Generated Node #0,1,1: 17:[24, 88] Operation: 95-7=88 Exploring Operation: 95-24=71, Resulting Numbers: [7, 71] Generated Node #0,1,2: 17:[7, 71] Operation: 95-24=71 Exploring Operation: 24-7=17, Resulting Numbers: [95, 17] Generated Node #0,1,3: 17:[95, 17] Operation: 24-7=17 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 17:[7, 71], Operations: ['87-80=7', '95-24=71'] Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,17 unequal: No Solution Exploring Operation: 7*71=497, Resulting Numbers: [497] 497,17 unequal: No Solution Exploring Operation: 7+71=78, Resulting Numbers: [78] 78,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 17:[24, 88], Operations: ['87-80=7', '95-7=88'] Exploring Operation: 24+88=112, Resulting Numbers: [112] 112,17 unequal: No Solution Exploring Operation: 24*88=2112, Resulting Numbers: [2112] 2112,17 unequal: No Solution Exploring Operation: 88-24=64, Resulting Numbers: [64] 64,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 17:[95, 17], Operations: ['87-80=7', '24-7=17'] Exploring Operation: 95-17=78, Resulting Numbers: [78] 78,17 unequal: No Solution Exploring Operation: 95+17=112, Resulting Numbers: [112] 112,17 unequal: No Solution Exploring Operation: 95*17=1615, Resulting Numbers: [1615] 1615,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 17:[95, 31], Operations: ['87-80=7', '24+7=31'] Exploring Operation: 95-31=64, Resulting Numbers: [64] 64,17 unequal: No Solution Exploring Operation: 95+31=126, Resulting Numbers: [126] 126,17 unequal: No Solution Exploring Operation: 95*31=2945, Resulting Numbers: [2945] 2945,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 17:[80, 95, 63], Operations: ['87-24=63'] Exploring Operation: 80+95=175, Resulting Numbers: [63, 175] Generated Node #0,2,0: 17:[63, 175] Operation: 80+95=175 Exploring Operation: 95-63=32, Resulting Numbers: [80, 32] Generated Node #0,2,1: 17:[80, 32] Operation: 95-63=32 Exploring Operation: 95-80=15, Resulting Numbers: [63, 15] Generated Node #0,2,2: 17:[63, 15] Operation: 95-80=15 Exploring Operation: 80-63=17, Resulting Numbers: [95, 17] Generated Node #0,2,3: 17:[95, 17] Operation: 80-63=17 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 17:[63, 15], Operations: ['87-24=63', '95-80=15'] Exploring Operation: 63-15=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 63+15=78, Resulting Numbers: [78] 78,17 unequal: No Solution Exploring Operation: 63*15=945, Resulting Numbers: [945] 945,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 17:[80, 32], Operations: ['87-24=63', '95-63=32'] Exploring Operation: 80-32=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 80*32=2560, Resulting Numbers: [2560] 2560,17 unequal: No Solution Exploring Operation: 80+32=112, Resulting Numbers: [112] 112,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 17:[95, 17], Operations: ['87-24=63', '80-63=17'] Exploring Operation: 95+17=112, Resulting Numbers: [112] 112,17 unequal: No Solution Exploring Operation: 95-17=78, Resulting Numbers: [78] 78,17 unequal: No Solution Exploring Operation: 95*17=1615, Resulting Numbers: [1615] 1615,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 17:[63, 175], Operations: ['87-24=63', '80+95=175'] Exploring Operation: 63*175=11025, Resulting Numbers: [11025] 11025,17 unequal: No Solution Exploring Operation: 63+175=238, Resulting Numbers: [238] 238,17 unequal: No Solution Exploring Operation: 175-63=112, Resulting Numbers: [112] 112,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 21, 74, 25, 76 ]
23
[ "21+25=46", "76-74=2", "46/2=23" ]
Current State: 23:[21, 74, 25, 76], Operations: [] Exploring Operation: 21+25=46, Resulting Numbers: [74, 76, 46] Generated Node #2: [74, 76, 46] from Operation: 21+25=46 Current State: 23:[74, 76, 46], Operations: ['21+25=46'] Exploring Operation: 76-74=2, Resulting Numbers: [46, 2] Generated Node #3: [46, 2] from Operation: 76-74=2 Current State: 23:[46, 2], Operations: ['21+25=46', '76-74=2'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[21, 74, 25, 76], Operations: [] Exploring Operation: 74-21=53, Resulting Numbers: [25, 76, 53] Generated Node #0,0: 23:[25, 76, 53] Operation: 74-21=53 Exploring Operation: 74-25=49, Resulting Numbers: [21, 76, 49] Generated Node #0,1: 23:[21, 76, 49] Operation: 74-25=49 Exploring Operation: 76-74=2, Resulting Numbers: [21, 25, 2] Generated Node #0,2: 23:[21, 25, 2] Operation: 76-74=2 Exploring Operation: 76-21=55, Resulting Numbers: [74, 25, 55] Generated Node #0,3: 23:[74, 25, 55] Operation: 76-21=55 Exploring Operation: 76-25=51, Resulting Numbers: [21, 74, 51] Generated Node #0,4: 23:[21, 74, 51] Operation: 76-25=51 Moving to Node #0,2 Current State: 23:[21, 25, 2], Operations: ['76-74=2'] Exploring Operation: 21+2=23, Resulting Numbers: [25, 23] Generated Node #0,2,0: 23:[25, 23] Operation: 21+2=23 Exploring Operation: 21-2=19, Resulting Numbers: [25, 19] Generated Node #0,2,1: 23:[25, 19] Operation: 21-2=19 Exploring Operation: 21*2=42, Resulting Numbers: [25, 42] Generated Node #0,2,2: 23:[25, 42] Operation: 21*2=42 Exploring Operation: 25-2=23, Resulting Numbers: [21, 23] Generated Node #0,2,3: 23:[21, 23] Operation: 25-2=23 Exploring Operation: 25+2=27, Resulting Numbers: [21, 27] Generated Node #0,2,4: 23:[21, 27] Operation: 25+2=27 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 23:[25, 23], Operations: ['76-74=2', '21+2=23'] Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 25*23=575, Resulting Numbers: [575] 575,23 unequal: No Solution Exploring Operation: 25+23=48, Resulting Numbers: [48] 48,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 23:[21, 23], Operations: ['76-74=2', '25-2=23'] Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 21*23=483, Resulting Numbers: [483] 483,23 unequal: No Solution Exploring Operation: 21+23=44, Resulting Numbers: [44] 44,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 23:[25, 19], Operations: ['76-74=2', '21-2=19'] Exploring Operation: 25-19=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 25*19=475, Resulting Numbers: [475] 475,23 unequal: No Solution Exploring Operation: 25+19=44, Resulting Numbers: [44] 44,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 23:[21, 27], Operations: ['76-74=2', '25+2=27'] Exploring Operation: 21*27=567, Resulting Numbers: [567] 567,23 unequal: No Solution Exploring Operation: 27-21=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 21+27=48, Resulting Numbers: [48] 48,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 23:[25, 42], Operations: ['76-74=2', '21*2=42'] Exploring Operation: 25*42=1050, Resulting Numbers: [1050] 1050,23 unequal: No Solution Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 25+42=67, Resulting Numbers: [67] 67,23 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: 23:[21, 74, 51], Operations: ['76-25=51'] Exploring Operation: 74-21=53, Resulting Numbers: [51, 53] Generated Node #0,4,0: 23:[51, 53] Operation: 74-21=53 Exploring Operation: 74-51=23, Resulting Numbers: [21, 23] Generated Node #0,4,1: 23:[21, 23] Operation: 74-51=23 Exploring Operation: 21+74=95, Resulting Numbers: [51, 95] Generated Node #0,4,2: 23:[51, 95] Operation: 21+74=95 Exploring Operation: 51-21=30, Resulting Numbers: [74, 30] Generated Node #0,4,3: 23:[74, 30] Operation: 51-21=30 Exploring Operation: 21+51=72, Resulting Numbers: [74, 72] Generated Node #0,4,4: 23:[74, 72] Operation: 21+51=72 Moving to Node #0,1 Current State: 23:[21, 76, 49], Operations: ['74-25=49'] Exploring Operation: 76-49=27, Resulting Numbers: [21, 27] Generated Node #0,1,0: 23:[21, 27] Operation: 76-49=27 Exploring Operation: 21+49=70, Resulting Numbers: [76, 70] Generated Node #0,1,1: 23:[76, 70] Operation: 21+49=70 Exploring Operation: 76-21=55, Resulting Numbers: [49, 55] Generated Node #0,1,2: 23:[49, 55] Operation: 76-21=55 Exploring Operation: 49-21=28, Resulting Numbers: [76, 28] Generated Node #0,1,3: 23:[76, 28] Operation: 49-21=28 Exploring Operation: 21+76=97, Resulting Numbers: [49, 97] Generated Node #0,1,4: 23:[49, 97] Operation: 21+76=97 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 23:[21, 27], Operations: ['74-25=49', '76-49=27'] Exploring Operation: 21*27=567, Resulting Numbers: [567] 567,23 unequal: No Solution Exploring Operation: 21+27=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 27-21=6, Resulting Numbers: [6] 6,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 23:[49, 55], Operations: ['74-25=49', '76-21=55'] Exploring Operation: 49*55=2695, Resulting Numbers: [2695] 2695,23 unequal: No Solution Exploring Operation: 55-49=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 49+55=104, Resulting Numbers: [104] 104,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 23:[76, 28], Operations: ['74-25=49', '49-21=28'] Exploring Operation: 76-28=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 76*28=2128, Resulting Numbers: [2128] 2128,23 unequal: No Solution Exploring Operation: 76+28=104, Resulting Numbers: [104] 104,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[76, 70], Operations: ['74-25=49', '21+49=70'] Exploring Operation: 76-70=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 76*70=5320, Resulting Numbers: [5320] 5320,23 unequal: No Solution Exploring Operation: 76+70=146, Resulting Numbers: [146] 146,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 23:[49, 97], Operations: ['74-25=49', '21+76=97'] Exploring Operation: 97-49=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 49*97=4753, Resulting Numbers: [4753] 4753,23 unequal: No Solution Exploring Operation: 49+97=146, Resulting Numbers: [146] 146,23 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: 23:[25, 76, 53], Operations: ['74-21=53'] Exploring Operation: 76-25=51, Resulting Numbers: [53, 51] Generated Node #0,0,0: 23:[53, 51] Operation: 76-25=51 Exploring Operation: 25+76=101, Resulting Numbers: [53, 101] Generated Node #0,0,1: 23:[53, 101] Operation: 25+76=101 Exploring Operation: 76-53=23, Resulting Numbers: [25, 23] Generated Node #0,0,2: 23:[25, 23] Operation: 76-53=23 Exploring Operation: 25+53=78, Resulting Numbers: [76, 78] Generated Node #0,0,3: 23:[76, 78] Operation: 25+53=78 Exploring Operation: 53-25=28, Resulting Numbers: [76, 28] Generated Node #0,0,4: 23:[76, 28] Operation: 53-25=28 Moving to Node #0,3 Current State: 23:[74, 25, 55], Operations: ['76-21=55'] Exploring Operation: 74-55=19, Resulting Numbers: [25, 19] Generated Node #0,3,0: 23:[25, 19] Operation: 74-55=19 Exploring Operation: 74+25=99, Resulting Numbers: [55, 99] Generated Node #0,3,1: 23:[55, 99] Operation: 74+25=99 Exploring Operation: 55-25=30, Resulting Numbers: [74, 30] Generated Node #0,3,2: 23:[74, 30] Operation: 55-25=30 Exploring Operation: 74+55=129, Resulting Numbers: [25, 129] Generated Node #0,3,3: 23:[25, 129] Operation: 74+55=129 Exploring Operation: 74-25=49, Resulting Numbers: [55, 49] Generated Node #0,3,4: 23:[55, 49] Operation: 74-25=49 Moving to Node #0,4,1 Current State: 23:[21, 23], Operations: ['76-25=51', '74-51=23'] Exploring Operation: 21*23=483, Resulting Numbers: [483] 483,23 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 21+23=44, Resulting Numbers: [44] 44,23 unequal: No Solution Moving to Node #0,0,2 Current State: 23:[25, 23], Operations: ['74-21=53', '76-53=23'] Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 25*23=575, Resulting Numbers: [575] 575,23 unequal: No Solution Exploring Operation: 25+23=48, Resulting Numbers: [48] 48,23 unequal: No Solution Moving to Node #0,3,0 Current State: 23:[25, 19], Operations: ['76-21=55', '74-55=19'] Exploring Operation: 25-19=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 25+19=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 25*19=475, Resulting Numbers: [475] 475,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[53, 51], Operations: ['74-21=53', '76-25=51'] Exploring Operation: 53*51=2703, Resulting Numbers: [2703] 2703,23 unequal: No Solution Exploring Operation: 53+51=104, Resulting Numbers: [104] 104,23 unequal: No Solution Exploring Operation: 53-51=2, Resulting Numbers: [2] 2,23 unequal: No Solution Moving to Node #0,4,3 Current State: 23:[74, 30], Operations: ['76-25=51', '51-21=30'] Exploring Operation: 74*30=2220, Resulting Numbers: [2220] 2220,23 unequal: No Solution Exploring Operation: 74+30=104, Resulting Numbers: [104] 104,23 unequal: No Solution Exploring Operation: 74-30=44, Resulting Numbers: [44] 44,23 unequal: No Solution Moving to Node #0,3,2 Current State: 23:[74, 30], Operations: ['76-21=55', '55-25=30'] Exploring Operation: 74+30=104, Resulting Numbers: [104] 104,23 unequal: No Solution Exploring Operation: 74-30=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 74*30=2220, Resulting Numbers: [2220] 2220,23 unequal: No Solution Moving to Node #0,3,4 Current State: 23:[55, 49], Operations: ['76-21=55', '74-25=49'] Exploring Operation: 55-49=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 55+49=104, Resulting Numbers: [104] 104,23 unequal: No Solution Exploring Operation: 55*49=2695, Resulting Numbers: [2695] 2695,23 unequal: No Solution Moving to Node #0,4,0 Current State: 23:[51, 53], Operations: ['76-25=51', '74-21=53'] Exploring Operation: 53-51=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 51+53=104, Resulting Numbers: [104] 104,23 unequal: No Solution Exploring Operation: 51*53=2703, Resulting Numbers: [2703] 2703,23 unequal: No Solution Moving to Node #0,0,4 Current State: 23:[76, 28], Operations: ['74-21=53', '53-25=28'] Exploring Operation: 76+28=104, Resulting Numbers: [104] 104,23 unequal: No Solution Exploring Operation: 76*28=2128, Resulting Numbers: [2128] 2128,23 unequal: No Solution Exploring Operation: 76-28=48, Resulting Numbers: [48] 48,23 unequal: No Solution Moving to Node #0,4,4 Current State: 23:[74, 72], Operations: ['76-25=51', '21+51=72'] Exploring Operation: 74-72=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 74+72=146, Resulting Numbers: [146] 146,23 unequal: No Solution Exploring Operation: 74*72=5328, Resulting Numbers: [5328] 5328,23 unequal: No Solution Moving to Node #0,4,2 Current State: 23:[51, 95], Operations: ['76-25=51', '21+74=95'] Exploring Operation: 95-51=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 51+95=146, Resulting Numbers: [146] 146,23 unequal: No Solution Exploring Operation: 51*95=4845, Resulting Numbers: [4845] 4845,23 unequal: No Solution Moving to Node #0,3,1 Current State: 23:[55, 99], Operations: ['76-21=55', '74+25=99'] Exploring Operation: 55*99=5445, Resulting Numbers: [5445] 5445,23 unequal: No Solution Exploring Operation: 55+99=154, Resulting Numbers: [154] 154,23 unequal: No Solution Exploring Operation: 99-55=44, Resulting Numbers: [44] 44,23 unequal: No Solution Moving to Node #0,3,3 Current State: 23:[25, 129], Operations: ['76-21=55', '74+55=129'] Exploring Operation: 25+129=154, Resulting Numbers: [154] 154,23 unequal: No Solution Exploring Operation: 129-25=104, Resulting Numbers: [104] 104,23 unequal: No Solution Exploring Operation: 25*129=3225, Resulting Numbers: [3225] 3225,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[53, 101], Operations: ['74-21=53', '25+76=101'] Exploring Operation: 53+101=154, Resulting Numbers: [154] 154,23 unequal: No Solution Exploring Operation: 101-53=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 53*101=5353, Resulting Numbers: [5353] 5353,23 unequal: No Solution Moving to Node #0,0,3 Current State: 23:[76, 78], Operations: ['74-21=53', '25+53=78'] Exploring Operation: 76*78=5928, Resulting Numbers: [5928] 5928,23 unequal: No Solution Exploring Operation: 76+78=154, Resulting Numbers: [154] 154,23 unequal: No Solution Exploring Operation: 78-76=2, Resulting Numbers: [2] 2,23 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 71, 5, 99, 57 ]
83
[ "99-71=28", "5*28=140", "140-57=83" ]
Current State: 83:[71, 5, 99, 57], Operations: [] Exploring Operation: 99-71=28, Resulting Numbers: [5, 57, 28] Generated Node #2: [5, 57, 28] from Operation: 99-71=28 Current State: 83:[5, 57, 28], Operations: ['99-71=28'] Exploring Operation: 5*28=140, Resulting Numbers: [57, 140] Generated Node #3: [57, 140] from Operation: 5*28=140 Current State: 83:[57, 140], Operations: ['99-71=28', '5*28=140'] Exploring Operation: 140-57=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[71, 5, 99, 57], Operations: [] Exploring Operation: 71+5=76, Resulting Numbers: [99, 57, 76] Generated Node #0,0: 83:[99, 57, 76] Operation: 71+5=76 Exploring Operation: 99-5=94, Resulting Numbers: [71, 57, 94] Generated Node #0,1: 83:[71, 57, 94] Operation: 99-5=94 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[99, 57, 76], Operations: ['71+5=76'] Exploring Operation: 99-57=42, Resulting Numbers: [76, 42] Generated Node #0,0,0: 83:[76, 42] Operation: 99-57=42 Exploring Operation: 57+76=133, Resulting Numbers: [99, 133] Generated Node #0,0,1: 83:[99, 133] Operation: 57+76=133 Moving to Node #0,0,0 Current State: 83:[76, 42], Operations: ['71+5=76', '99-57=42'] Exploring Operation: 76+42=118, Resulting Numbers: [118] 118,83 unequal: No Solution Exploring Operation: 76-42=34, Resulting Numbers: [34] 34,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[99, 133], Operations: ['71+5=76', '57+76=133'] Exploring Operation: 99+133=232, Resulting Numbers: [232] 232,83 unequal: No Solution Exploring Operation: 133-99=34, Resulting Numbers: [34] 34,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[71, 57, 94], Operations: ['99-5=94'] Exploring Operation: 71+57=128, Resulting Numbers: [94, 128] Generated Node #0,1,0: 83:[94, 128] Operation: 71+57=128 Exploring Operation: 94-57=37, Resulting Numbers: [71, 37] Generated Node #0,1,1: 83:[71, 37] Operation: 94-57=37 Moving to Node #0,1,0 Current State: 83:[94, 128], Operations: ['99-5=94', '71+57=128'] Exploring Operation: 128-94=34, Resulting Numbers: [34] 34,83 unequal: No Solution Exploring Operation: 94+128=222, Resulting Numbers: [222] 222,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[71, 37], Operations: ['99-5=94', '94-57=37'] Exploring Operation: 71+37=108, Resulting Numbers: [108] 108,83 unequal: No Solution Exploring Operation: 71-37=34, Resulting Numbers: [34] 34,83 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
[ 87, 42, 70, 50 ]
65
[ "87-42=45", "70-50=20", "45+20=65" ]
Current State: 65:[87, 42, 70, 50], Operations: [] Exploring Operation: 87-42=45, Resulting Numbers: [70, 50, 45] Generated Node #2: [70, 50, 45] from Operation: 87-42=45 Current State: 65:[70, 50, 45], Operations: ['87-42=45'] Exploring Operation: 70-50=20, Resulting Numbers: [45, 20] Generated Node #3: [45, 20] from Operation: 70-50=20 Current State: 65:[45, 20], Operations: ['87-42=45', '70-50=20'] Exploring Operation: 45+20=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[87, 42, 70, 50], Operations: [] Exploring Operation: 50-42=8, Resulting Numbers: [87, 70, 8] Generated Node #0,0: 65:[87, 70, 8] Operation: 50-42=8 Moving to Node #0,0 Current State: 65:[87, 70, 8], Operations: ['50-42=8'] Exploring Operation: 87-70=17, Resulting Numbers: [8, 17] Generated Node #0,0,0: 65:[8, 17] Operation: 87-70=17 Moving to Node #0,0,0 Current State: 65:[8, 17], Operations: ['50-42=8', '87-70=17'] Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,65 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 8, 96, 2, 54 ]
60
[ "96/8=12", "12/2=6", "54+6=60" ]
Current State: 60:[8, 96, 2, 54], Operations: [] Exploring Operation: 96/8=12, Resulting Numbers: [2, 54, 12] Generated Node #2: [2, 54, 12] from Operation: 96/8=12 Current State: 60:[2, 54, 12], Operations: ['96/8=12'] Exploring Operation: 12/2=6, Resulting Numbers: [54, 6] Generated Node #3: [54, 6] from Operation: 12/2=6 Current State: 60:[54, 6], Operations: ['96/8=12', '12/2=6'] Exploring Operation: 54+6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[8, 96, 2, 54], Operations: [] Exploring Operation: 96/2=48, Resulting Numbers: [8, 54, 48] Generated Node #0,0: 60:[8, 54, 48] Operation: 96/2=48 Exploring Operation: 96/8=12, Resulting Numbers: [2, 54, 12] Generated Node #0,1: 60:[2, 54, 12] Operation: 96/8=12 Exploring Operation: 96-54=42, Resulting Numbers: [8, 2, 42] Generated Node #0,2: 60:[8, 2, 42] Operation: 96-54=42 Exploring Operation: 96-8=88, Resulting Numbers: [2, 54, 88] Generated Node #0,3: 60:[2, 54, 88] Operation: 96-8=88 Moving to Node #0,1 Current State: 60:[2, 54, 12], Operations: ['96/8=12'] Exploring Operation: 12/2=6, Resulting Numbers: [54, 6] Generated Node #0,1,0: 60:[54, 6] Operation: 12/2=6 Exploring Operation: 2+54=56, Resulting Numbers: [12, 56] Generated Node #0,1,1: 60:[12, 56] Operation: 2+54=56 Exploring Operation: 12-2=10, Resulting Numbers: [54, 10] Generated Node #0,1,2: 60:[54, 10] Operation: 12-2=10 Exploring Operation: 54/2=27, Resulting Numbers: [12, 27] Generated Node #0,1,3: 60:[12, 27] Operation: 54/2=27 Moving to Node #0,2 Current State: 60:[8, 2, 42], Operations: ['96-54=42'] Exploring Operation: 8+2=10, Resulting Numbers: [42, 10] Generated Node #0,2,0: 60:[42, 10] Operation: 8+2=10 Exploring Operation: 42/2=21, Resulting Numbers: [8, 21] Generated Node #0,2,1: 60:[8, 21] Operation: 42/2=21 Exploring Operation: 8+42=50, Resulting Numbers: [2, 50] Generated Node #0,2,2: 60:[2, 50] Operation: 8+42=50 Exploring Operation: 42-8=34, Resulting Numbers: [2, 34] Generated Node #0,2,3: 60:[2, 34] Operation: 42-8=34 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 60:[8, 21], Operations: ['96-54=42', '42/2=21'] Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,60 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,60 unequal: No Solution Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,60 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 #0,2,3 Current State: 60:[2, 34], Operations: ['96-54=42', '42-8=34'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,60 unequal: No Solution Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,60 unequal: No Solution Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,60 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 #0,2,2 Current State: 60:[2, 50], Operations: ['96-54=42', '8+42=50'] Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,60 unequal: No Solution Exploring Operation: 2+50=52, Resulting Numbers: [52] 52,60 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,60 unequal: No Solution Exploring Operation: 2*50=100, Resulting Numbers: [100] 100,60 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 #0,2,0 Current State: 60:[42, 10], Operations: ['96-54=42', '8+2=10'] Exploring Operation: 42*10=420, Resulting Numbers: [420] 420,60 unequal: No Solution Exploring Operation: 42+10=52, Resulting Numbers: [52] 52,60 unequal: No Solution Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,60 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: 60:[8, 54, 48], Operations: ['96/2=48'] Exploring Operation: 54-48=6, Resulting Numbers: [8, 6] Generated Node #0,0,0: 60:[8, 6] Operation: 54-48=6 Exploring Operation: 8+54=62, Resulting Numbers: [48, 62] Generated Node #0,0,1: 60:[48, 62] Operation: 8+54=62 Exploring Operation: 8+48=56, Resulting Numbers: [54, 56] Generated Node #0,0,2: 60:[54, 56] Operation: 8+48=56 Exploring Operation: 48/8=6, Resulting Numbers: [54, 6] Generated Node #0,0,3: 60:[54, 6] Operation: 48/8=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 60:[8, 6], Operations: ['96/2=48', '54-48=6'] Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,60 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,60 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,60 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 #0,0,3 Current State: 60:[54, 6], Operations: ['96/2=48', '48/8=6'] Exploring Operation: 54*6=324, Resulting Numbers: [324] 324,60 unequal: No Solution Exploring Operation: 54-6=48, Resulting Numbers: [48] 48,60 unequal: No Solution Exploring Operation: 54/6=9, Resulting Numbers: [9] 9,60 unequal: No Solution Exploring Operation: 54+6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[8, 96, 2, 54], Operations: [] Exploring Operation: 96/2=48, Resulting Numbers: [8, 54, 48] Generated Node #0,0: 60:[8, 54, 48] Operation: 96/2=48 Moving to Node #0,0 Current State: 60:[8, 54, 48], Operations: ['96/2=48'] Exploring Operation: 48/8=6, Resulting Numbers: [54, 6] Generated Node #0,0,3: 60:[54, 6] Operation: 48/8=6 Moving to Node #0,0,3 Current State: 60:[54, 6], Operations: ['96/2=48', '48/8=6'] Exploring Operation: 54+6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_4
sum_heuristic
[ 66, 72, 67, 33 ]
31
[ "66/33=2", "72/2=36", "67-36=31" ]
Current State: 31:[66, 72, 67, 33], Operations: [] Exploring Operation: 66/33=2, Resulting Numbers: [72, 67, 2] Generated Node #2: [72, 67, 2] from Operation: 66/33=2 Current State: 31:[72, 67, 2], Operations: ['66/33=2'] Exploring Operation: 72/2=36, Resulting Numbers: [67, 36] Generated Node #3: [67, 36] from Operation: 72/2=36 Current State: 31:[67, 36], Operations: ['66/33=2', '72/2=36'] Exploring Operation: 67-36=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[66, 72, 67, 33], Operations: [] Exploring Operation: 67-66=1, Resulting Numbers: [72, 33, 1] Generated Node #0,0: 31:[72, 33, 1] Operation: 67-66=1 Exploring Operation: 72-67=5, Resulting Numbers: [66, 33, 5] Generated Node #0,1: 31:[66, 33, 5] Operation: 72-67=5 Exploring Operation: 72-66=6, Resulting Numbers: [67, 33, 6] Generated Node #0,2: 31:[67, 33, 6] Operation: 72-66=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[66, 33, 5], Operations: ['72-67=5'] Exploring Operation: 66-5=61, Resulting Numbers: [33, 61] Generated Node #0,1,0: 31:[33, 61] Operation: 66-5=61 Exploring Operation: 33-5=28, Resulting Numbers: [66, 28] Generated Node #0,1,1: 31:[66, 28] Operation: 33-5=28 Exploring Operation: 66-33=33, Resulting Numbers: [5, 33] Generated Node #0,1,2: 31:[5, 33] Operation: 66-33=33 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 31:[5, 33], Operations: ['72-67=5', '66-33=33'] Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,31 unequal: No Solution Exploring Operation: 5*33=165, Resulting Numbers: [165] 165,31 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,31 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 #0,1,0 Current State: 31:[33, 61], Operations: ['72-67=5', '66-5=61'] Exploring Operation: 33+61=94, Resulting Numbers: [94] 94,31 unequal: No Solution Exploring Operation: 33*61=2013, Resulting Numbers: [2013] 2013,31 unequal: No Solution Exploring Operation: 61-33=28, Resulting Numbers: [28] 28,31 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:[66, 28], Operations: ['72-67=5', '33-5=28'] Exploring Operation: 66+28=94, Resulting Numbers: [94] 94,31 unequal: No Solution Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,31 unequal: No Solution Exploring Operation: 66*28=1848, Resulting Numbers: [1848] 1848,31 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 31:[67, 33, 6], Operations: ['72-66=6'] Exploring Operation: 33-6=27, Resulting Numbers: [67, 27] Generated Node #0,2,0: 31:[67, 27] Operation: 33-6=27 Exploring Operation: 67-6=61, Resulting Numbers: [33, 61] Generated Node #0,2,1: 31:[33, 61] Operation: 67-6=61 Exploring Operation: 67-33=34, Resulting Numbers: [6, 34] Generated Node #0,2,2: 31:[6, 34] Operation: 67-33=34 Moving to Node #0,2,2 Current State: 31:[6, 34], Operations: ['72-66=6', '67-33=34'] Exploring Operation: 6+34=40, Resulting Numbers: [40] 40,31 unequal: No Solution Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 6*34=204, Resulting Numbers: [204] 204,31 unequal: No Solution Moving to Node #0,2,1 Current State: 31:[33, 61], Operations: ['72-66=6', '67-6=61'] Exploring Operation: 33+61=94, Resulting Numbers: [94] 94,31 unequal: No Solution Exploring Operation: 33*61=2013, Resulting Numbers: [2013] 2013,31 unequal: No Solution Exploring Operation: 61-33=28, Resulting Numbers: [28] 28,31 unequal: No Solution Moving to Node #0,2,0 Current State: 31:[67, 27], Operations: ['72-66=6', '33-6=27'] Exploring Operation: 67-27=40, Resulting Numbers: [40] 40,31 unequal: No Solution Exploring Operation: 67*27=1809, Resulting Numbers: [1809] 1809,31 unequal: No Solution Exploring Operation: 67+27=94, Resulting Numbers: [94] 94,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[72, 33, 1], Operations: ['67-66=1'] Exploring Operation: 72-33=39, Resulting Numbers: [1, 39] Generated Node #0,0,0: 31:[1, 39] Operation: 72-33=39 Exploring Operation: 33-1=32, Resulting Numbers: [72, 32] Generated Node #0,0,1: 31:[72, 32] Operation: 33-1=32 Exploring Operation: 72-1=71, Resulting Numbers: [33, 71] Generated Node #0,0,2: 31:[33, 71] Operation: 72-1=71 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[1, 39], Operations: ['67-66=1', '72-33=39'] Exploring Operation: 1*39=39, Resulting Numbers: [39] 39,31 unequal: No Solution Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,31 unequal: No Solution Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,31 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 #0,0,1 Current State: 31:[72, 32], Operations: ['67-66=1', '33-1=32'] Exploring Operation: 72+32=104, Resulting Numbers: [104] 104,31 unequal: No Solution Exploring Operation: 72*32=2304, Resulting Numbers: [2304] 2304,31 unequal: No Solution Exploring Operation: 72-32=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 #0,0,2 Current State: 31:[33, 71], Operations: ['67-66=1', '72-1=71'] Exploring Operation: 33+71=104, Resulting Numbers: [104] 104,31 unequal: No Solution Exploring Operation: 33*71=2343, Resulting Numbers: [2343] 2343,31 unequal: No Solution Exploring Operation: 71-33=38, Resulting Numbers: [38] 38,31 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_3
mult_heuristic
[ 85, 83, 46, 71 ]
27
[ "85-83=2", "71-46=25", "2+25=27" ]
Current State: 27:[85, 83, 46, 71], Operations: [] Exploring Operation: 85-83=2, Resulting Numbers: [46, 71, 2] Generated Node #2: [46, 71, 2] from Operation: 85-83=2 Current State: 27:[46, 71, 2], Operations: ['85-83=2'] Exploring Operation: 71-46=25, Resulting Numbers: [2, 25] Generated Node #3: [2, 25] from Operation: 71-46=25 Current State: 27:[2, 25], Operations: ['85-83=2', '71-46=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[85, 83, 46, 71], Operations: [] Exploring Operation: 85-46=39, Resulting Numbers: [83, 71, 39] Generated Node #0,0: 27:[83, 71, 39] Operation: 85-46=39 Exploring Operation: 85-71=14, Resulting Numbers: [83, 46, 14] Generated Node #0,1: 27:[83, 46, 14] Operation: 85-71=14 Exploring Operation: 85-83=2, Resulting Numbers: [46, 71, 2] Generated Node #0,2: 27:[46, 71, 2] Operation: 85-83=2 Exploring Operation: 83-71=12, Resulting Numbers: [85, 46, 12] Generated Node #0,3: 27:[85, 46, 12] Operation: 83-71=12 Moving to Node #0,2 Current State: 27:[46, 71, 2], Operations: ['85-83=2'] Exploring Operation: 46-2=44, Resulting Numbers: [71, 44] Generated Node #0,2,0: 27:[71, 44] Operation: 46-2=44 Exploring Operation: 71-46=25, Resulting Numbers: [2, 25] Generated Node #0,2,1: 27:[2, 25] Operation: 71-46=25 Exploring Operation: 71-2=69, Resulting Numbers: [46, 69] Generated Node #0,2,2: 27:[46, 69] Operation: 71-2=69 Exploring Operation: 46/2=23, Resulting Numbers: [71, 23] Generated Node #0,2,3: 27:[71, 23] Operation: 46/2=23 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 27:[2, 25], Operations: ['85-83=2', '71-46=25'] Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,27 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,27 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[85, 83, 46, 71], Operations: [] Exploring Operation: 85-83=2, Resulting Numbers: [46, 71, 2] Generated Node #0,2: 27:[46, 71, 2] Operation: 85-83=2 Moving to Node #0,2 Current State: 27:[46, 71, 2], Operations: ['85-83=2'] Exploring Operation: 71-46=25, Resulting Numbers: [2, 25] Generated Node #0,2,1: 27:[2, 25] Operation: 71-46=25 Moving to Node #0,2,1 Current State: 27:[2, 25], Operations: ['85-83=2', '71-46=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 7, 10, 28, 26 ]
58
[ "10-7=3", "28*3=84", "84-26=58" ]
Current State: 58:[7, 10, 28, 26], Operations: [] Exploring Operation: 10-7=3, Resulting Numbers: [28, 26, 3] Generated Node #2: [28, 26, 3] from Operation: 10-7=3 Current State: 58:[28, 26, 3], Operations: ['10-7=3'] Exploring Operation: 28*3=84, Resulting Numbers: [26, 84] Generated Node #3: [26, 84] from Operation: 28*3=84 Current State: 58:[26, 84], Operations: ['10-7=3', '28*3=84'] Exploring Operation: 84-26=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[7, 10, 28, 26], Operations: [] Exploring Operation: 10-7=3, Resulting Numbers: [28, 26, 3] Generated Node #0,0: 58:[28, 26, 3] Operation: 10-7=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[28, 26, 3], Operations: ['10-7=3'] Exploring Operation: 28-26=2, Resulting Numbers: [3, 2] Generated Node #0,0,0: 58:[3, 2] Operation: 28-26=2 Moving to Node #0,0,0 Current State: 58:[3, 2], Operations: ['10-7=3', '28-26=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 19, 37, 41, 38 ]
53
[ "19+37=56", "41-38=3", "56-3=53" ]
Current State: 53:[19, 37, 41, 38], Operations: [] Exploring Operation: 19+37=56, Resulting Numbers: [41, 38, 56] Generated Node #2: [41, 38, 56] from Operation: 19+37=56 Current State: 53:[41, 38, 56], Operations: ['19+37=56'] Exploring Operation: 41-38=3, Resulting Numbers: [56, 3] Generated Node #3: [56, 3] from Operation: 41-38=3 Current State: 53:[56, 3], Operations: ['19+37=56', '41-38=3'] Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[19, 37, 41, 38], Operations: [] Exploring Operation: 19+37=56, Resulting Numbers: [41, 38, 56] Generated Node #0,0: 53:[41, 38, 56] Operation: 19+37=56 Exploring Operation: 19+38=57, Resulting Numbers: [37, 41, 57] Generated Node #0,1: 53:[37, 41, 57] Operation: 19+38=57 Exploring Operation: 19+41=60, Resulting Numbers: [37, 38, 60] Generated Node #0,2: 53:[37, 38, 60] Operation: 19+41=60 Moving to Node #0,0 Current State: 53:[41, 38, 56], Operations: ['19+37=56'] Exploring Operation: 56-38=18, Resulting Numbers: [41, 18] Generated Node #0,0,0: 53:[41, 18] Operation: 56-38=18 Exploring Operation: 41+38=79, Resulting Numbers: [56, 79] Generated Node #0,0,1: 53:[56, 79] Operation: 41+38=79 Exploring Operation: 41-38=3, Resulting Numbers: [56, 3] Generated Node #0,0,2: 53:[56, 3] Operation: 41-38=3 Moving to Node #0,1 Current State: 53:[37, 41, 57], Operations: ['19+38=57'] Exploring Operation: 41-37=4, Resulting Numbers: [57, 4] Generated Node #0,1,0: 53:[57, 4] Operation: 41-37=4 Exploring Operation: 37+41=78, Resulting Numbers: [57, 78] Generated Node #0,1,1: 53:[57, 78] Operation: 37+41=78 Exploring Operation: 57-37=20, Resulting Numbers: [41, 20] Generated Node #0,1,2: 53:[41, 20] Operation: 57-37=20 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 53:[57, 78], Operations: ['19+38=57', '37+41=78'] Exploring Operation: 57*78=4446, Resulting Numbers: [4446] 4446,53 unequal: No Solution Exploring Operation: 57+78=135, Resulting Numbers: [135] 135,53 unequal: No Solution Exploring Operation: 78-57=21, Resulting Numbers: [21] 21,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 53:[41, 20], Operations: ['19+38=57', '57-37=20'] Exploring Operation: 41*20=820, Resulting Numbers: [820] 820,53 unequal: No Solution Exploring Operation: 41-20=21, Resulting Numbers: [21] 21,53 unequal: No Solution Exploring Operation: 41+20=61, Resulting Numbers: [61] 61,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 53:[57, 4], Operations: ['19+38=57', '41-37=4'] Exploring Operation: 57+4=61, Resulting Numbers: [61] 61,53 unequal: No Solution Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[19, 37, 41, 38], Operations: [] Exploring Operation: 19+38=57, Resulting Numbers: [37, 41, 57] Generated Node #0,1: 53:[37, 41, 57] Operation: 19+38=57 Moving to Node #0,1 Current State: 53:[37, 41, 57], Operations: ['19+38=57'] Exploring Operation: 41-37=4, Resulting Numbers: [57, 4] Generated Node #0,1,0: 53:[57, 4] Operation: 41-37=4 Moving to Node #0,1,0 Current State: 53:[57, 4], Operations: ['19+38=57', '41-37=4'] Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_3
mult_heuristic
[ 2, 6, 42, 38 ]
28
[ "2*38=76", "6+42=48", "76-48=28" ]
Current State: 28:[2, 6, 42, 38], Operations: [] Exploring Operation: 2*38=76, Resulting Numbers: [6, 42, 76] Generated Node #2: [6, 42, 76] from Operation: 2*38=76 Current State: 28:[6, 42, 76], Operations: ['2*38=76'] Exploring Operation: 6+42=48, Resulting Numbers: [76, 48] Generated Node #3: [76, 48] from Operation: 6+42=48 Current State: 28:[76, 48], Operations: ['2*38=76', '6+42=48'] Exploring Operation: 76-48=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[2, 6, 42, 38], Operations: [] Exploring Operation: 42-38=4, Resulting Numbers: [2, 6, 4] Generated Node #0,0: 28:[2, 6, 4] Operation: 42-38=4 Exploring Operation: 42/6=7, Resulting Numbers: [2, 38, 7] Generated Node #0,1: 28:[2, 38, 7] Operation: 42/6=7 Moving to Node #0,0 Current State: 28:[2, 6, 4], Operations: ['42-38=4'] Exploring Operation: 6-2=4, Resulting Numbers: [4, 4] Generated Node #0,0,0: 28:[4, 4] Operation: 6-2=4 Exploring Operation: 6-4=2, Resulting Numbers: [2, 2] Generated Node #0,0,1: 28:[2, 2] Operation: 6-4=2 Moving to Node #0,1 Current State: 28:[2, 38, 7], Operations: ['42/6=7'] Exploring Operation: 38/2=19, Resulting Numbers: [7, 19] Generated Node #0,1,0: 28:[7, 19] Operation: 38/2=19 Exploring Operation: 38-7=31, Resulting Numbers: [2, 31] Generated Node #0,1,1: 28:[2, 31] Operation: 38-7=31 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[2, 31], Operations: ['42/6=7', '38-7=31'] Exploring Operation: 2+31=33, Resulting Numbers: [33] 33,28 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[7, 19], Operations: ['42/6=7', '38/2=19'] Exploring Operation: 7+19=26, Resulting Numbers: [26] 26,28 unequal: No Solution Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,28 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: 28:[4, 4], Operations: ['42-38=4', '6-2=4'] Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,28 unequal: No Solution Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[2, 2], Operations: ['42-38=4', '6-4=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,28 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 65, 37, 60, 17 ]
71
[ "65-37=28", "60-17=43", "28+43=71" ]
Current State: 71:[65, 37, 60, 17], Operations: [] Exploring Operation: 65-37=28, Resulting Numbers: [60, 17, 28] Generated Node #2: [60, 17, 28] from Operation: 65-37=28 Current State: 71:[60, 17, 28], Operations: ['65-37=28'] Exploring Operation: 60-17=43, Resulting Numbers: [28, 43] Generated Node #3: [28, 43] from Operation: 60-17=43 Current State: 71:[28, 43], Operations: ['65-37=28', '60-17=43'] Exploring Operation: 28+43=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[65, 37, 60, 17], Operations: [] Exploring Operation: 37+17=54, Resulting Numbers: [65, 60, 54] Generated Node #0,0: 71:[65, 60, 54] Operation: 37+17=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[65, 60, 54], Operations: ['37+17=54'] Exploring Operation: 60+54=114, Resulting Numbers: [65, 114] Generated Node #0,0,0: 71:[65, 114] Operation: 60+54=114 Moving to Node #0,0,0 Current State: 71:[65, 114], Operations: ['37+17=54', '60+54=114'] Exploring Operation: 114-65=49, Resulting Numbers: [49] 49,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 29, 4, 27, 16 ]
14
[ "29-4=25", "27-16=11", "25-11=14" ]
Current State: 14:[29, 4, 27, 16], Operations: [] Exploring Operation: 29-4=25, Resulting Numbers: [27, 16, 25] Generated Node #2: [27, 16, 25] from Operation: 29-4=25 Current State: 14:[27, 16, 25], Operations: ['29-4=25'] Exploring Operation: 27-16=11, Resulting Numbers: [25, 11] Generated Node #3: [25, 11] from Operation: 27-16=11 Current State: 14:[25, 11], Operations: ['29-4=25', '27-16=11'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[29, 4, 27, 16], Operations: [] Exploring Operation: 27-16=11, Resulting Numbers: [29, 4, 11] Generated Node #0,0: 14:[29, 4, 11] Operation: 27-16=11 Exploring Operation: 29-4=25, Resulting Numbers: [27, 16, 25] Generated Node #0,1: 14:[27, 16, 25] Operation: 29-4=25 Exploring Operation: 29-16=13, Resulting Numbers: [4, 27, 13] Generated Node #0,2: 14:[4, 27, 13] Operation: 29-16=13 Exploring Operation: 29-27=2, Resulting Numbers: [4, 16, 2] Generated Node #0,3: 14:[4, 16, 2] Operation: 29-27=2 Start Sub Search at level 1: Moving to Node #0,3 Current State: 14:[4, 16, 2], Operations: ['29-27=2'] Exploring Operation: 4-2=2, Resulting Numbers: [16, 2] Generated Node #0,3,0: 14:[16, 2] Operation: 4-2=2 Exploring Operation: 16/4=4, Resulting Numbers: [2, 4] Generated Node #0,3,1: 14:[2, 4] Operation: 16/4=4 Exploring Operation: 4/2=2, Resulting Numbers: [16, 2] Generated Node #0,3,2: 14:[16, 2] Operation: 4/2=2 Exploring Operation: 16-4=12, Resulting Numbers: [2, 12] Generated Node #0,3,3: 14:[2, 12] Operation: 16-4=12 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 14:[16, 2], Operations: ['29-27=2', '4-2=2'] Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 16*2=32, Resulting Numbers: [32] 32,14 unequal: No Solution Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,14 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[29, 4, 27, 16], Operations: [] Exploring Operation: 29-27=2, Resulting Numbers: [4, 16, 2] Generated Node #0,3: 14:[4, 16, 2] Operation: 29-27=2 Moving to Node #0,3 Current State: 14:[4, 16, 2], Operations: ['29-27=2'] Exploring Operation: 4-2=2, Resulting Numbers: [16, 2] Generated Node #0,3,0: 14:[16, 2] Operation: 4-2=2 Moving to Node #0,3,0 Current State: 14:[16, 2], Operations: ['29-27=2', '4-2=2'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 12, 27, 20, 11 ]
47
[ "12-11=1", "27+20=47", "1*47=47" ]
Current State: 47:[12, 27, 20, 11], Operations: [] Exploring Operation: 12-11=1, Resulting Numbers: [27, 20, 1] Generated Node #2: [27, 20, 1] from Operation: 12-11=1 Current State: 47:[27, 20, 1], Operations: ['12-11=1'] Exploring Operation: 27+20=47, Resulting Numbers: [1, 47] Generated Node #3: [1, 47] from Operation: 27+20=47 Current State: 47:[1, 47], Operations: ['12-11=1', '27+20=47'] Exploring Operation: 1*47=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[12, 27, 20, 11], Operations: [] Exploring Operation: 12+27=39, Resulting Numbers: [20, 11, 39] Generated Node #0,0: 47:[20, 11, 39] Operation: 12+27=39 Exploring Operation: 12+20=32, Resulting Numbers: [27, 11, 32] Generated Node #0,1: 47:[27, 11, 32] Operation: 12+20=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[20, 11, 39], Operations: ['12+27=39'] Exploring Operation: 11+39=50, Resulting Numbers: [20, 50] Generated Node #0,0,0: 47:[20, 50] Operation: 11+39=50 Exploring Operation: 20+11=31, Resulting Numbers: [39, 31] Generated Node #0,0,1: 47:[39, 31] Operation: 20+11=31 Moving to Node #0,0,1 Current State: 47:[39, 31], Operations: ['12+27=39', '20+11=31'] Exploring Operation: 39-31=8, Resulting Numbers: [8] 8,47 unequal: No Solution Exploring Operation: 39+31=70, Resulting Numbers: [70] 70,47 unequal: No Solution Moving to Node #0,0,0 Current State: 47:[20, 50], Operations: ['12+27=39', '11+39=50'] Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,47 unequal: No Solution Exploring Operation: 20+50=70, Resulting Numbers: [70] 70,47 unequal: No Solution No 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: 47:[27, 11, 32], Operations: ['12+20=32'] Exploring Operation: 27+11=38, Resulting Numbers: [32, 38] Generated Node #0,1,0: 47:[32, 38] Operation: 27+11=38 Exploring Operation: 11+32=43, Resulting Numbers: [27, 43] Generated Node #0,1,1: 47:[27, 43] Operation: 11+32=43 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 47:[32, 38], Operations: ['12+20=32', '27+11=38'] Exploring Operation: 38-32=6, Resulting Numbers: [6] 6,47 unequal: No Solution Exploring Operation: 32+38=70, Resulting Numbers: [70] 70,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 47:[27, 43], Operations: ['12+20=32', '11+32=43'] Exploring Operation: 27+43=70, Resulting Numbers: [70] 70,47 unequal: No Solution Exploring Operation: 43-27=16, Resulting Numbers: [16] 16,47 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 No solution found.
0
hs_2
sum_heuristic
[ 15, 44, 57, 97 ]
99
[ "15+44=59", "97-57=40", "59+40=99" ]
Current State: 99:[15, 44, 57, 97], Operations: [] Exploring Operation: 15+44=59, Resulting Numbers: [57, 97, 59] Generated Node #2: [57, 97, 59] from Operation: 15+44=59 Current State: 99:[57, 97, 59], Operations: ['15+44=59'] Exploring Operation: 97-57=40, Resulting Numbers: [59, 40] Generated Node #3: [59, 40] from Operation: 97-57=40 Current State: 99:[59, 40], Operations: ['15+44=59', '97-57=40'] Exploring Operation: 59+40=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[15, 44, 57, 97], Operations: [] Exploring Operation: 57-44=13, Resulting Numbers: [15, 97, 13] Generated Node #0,0: 99:[15, 97, 13] Operation: 57-44=13 Exploring Operation: 57-15=42, Resulting Numbers: [44, 97, 42] Generated Node #0,1: 99:[44, 97, 42] Operation: 57-15=42 Exploring Operation: 44+57=101, Resulting Numbers: [15, 97, 101] Generated Node #0,2: 99:[15, 97, 101] Operation: 44+57=101 Moving to Node #0,0 Current State: 99:[15, 97, 13], Operations: ['57-44=13'] Exploring Operation: 15+13=28, Resulting Numbers: [97, 28] Generated Node #0,0,0: 99:[97, 28] Operation: 15+13=28 Exploring Operation: 15-13=2, Resulting Numbers: [97, 2] Generated Node #0,0,1: 99:[97, 2] Operation: 15-13=2 Exploring Operation: 15+97=112, Resulting Numbers: [13, 112] Generated Node #0,0,2: 99:[13, 112] Operation: 15+97=112 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[97, 2], Operations: ['57-44=13', '15-13=2'] Exploring Operation: 97*2=194, Resulting Numbers: [194] 194,99 unequal: No Solution Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,99 unequal: No Solution Exploring Operation: 97+2=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[15, 44, 57, 97], Operations: [] Exploring Operation: 57-44=13, Resulting Numbers: [15, 97, 13] Generated Node #0,0: 99:[15, 97, 13] Operation: 57-44=13 Moving to Node #0,0 Current State: 99:[15, 97, 13], Operations: ['57-44=13'] Exploring Operation: 15-13=2, Resulting Numbers: [97, 2] Generated Node #0,0,1: 99:[97, 2] Operation: 15-13=2 Moving to Node #0,0,1 Current State: 99:[97, 2], Operations: ['57-44=13', '15-13=2'] Exploring Operation: 97+2=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 54, 49, 47, 48 ]
41
[ "54-47=7", "49/7=7", "48-7=41" ]
Current State: 41:[54, 49, 47, 48], Operations: [] Exploring Operation: 54-47=7, Resulting Numbers: [49, 48, 7] Generated Node #2: [49, 48, 7] from Operation: 54-47=7 Current State: 41:[49, 48, 7], Operations: ['54-47=7'] Exploring Operation: 49/7=7, Resulting Numbers: [48, 7] Generated Node #3: [48, 7] from Operation: 49/7=7 Current State: 41:[48, 7], Operations: ['54-47=7', '49/7=7'] Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[54, 49, 47, 48], Operations: [] Exploring Operation: 54-47=7, Resulting Numbers: [49, 48, 7] Generated Node #0,0: 41:[49, 48, 7] Operation: 54-47=7 Exploring Operation: 54-49=5, Resulting Numbers: [47, 48, 5] Generated Node #0,1: 41:[47, 48, 5] Operation: 54-49=5 Moving to Node #0,0 Current State: 41:[49, 48, 7], Operations: ['54-47=7'] Exploring Operation: 48-7=41, Resulting Numbers: [49, 41] Generated Node #0,0,0: 41:[49, 41] Operation: 48-7=41 Exploring Operation: 49-7=42, Resulting Numbers: [48, 42] Generated Node #0,0,1: 41:[48, 42] Operation: 49-7=42 Moving to Node #0,1 Current State: 41:[47, 48, 5], Operations: ['54-49=5'] Exploring Operation: 48-5=43, Resulting Numbers: [47, 43] Generated Node #0,1,0: 41:[47, 43] Operation: 48-5=43 Exploring Operation: 47-5=42, Resulting Numbers: [48, 42] Generated Node #0,1,1: 41:[48, 42] Operation: 47-5=42 Moving to Node #0,0,0 Current State: 41:[49, 41], Operations: ['54-47=7', '48-7=41'] Exploring Operation: 49+41=90, Resulting Numbers: [90] 90,41 unequal: No Solution Exploring Operation: 49-41=8, Resulting Numbers: [8] 8,41 unequal: No Solution Moving to Node #0,1,0 Current State: 41:[47, 43], Operations: ['54-49=5', '48-5=43'] Exploring Operation: 47-43=4, Resulting Numbers: [4] 4,41 unequal: No Solution Exploring Operation: 47+43=90, Resulting Numbers: [90] 90,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[48, 42], Operations: ['54-47=7', '49-7=42'] Exploring Operation: 48-42=6, Resulting Numbers: [6] 6,41 unequal: No Solution Exploring Operation: 48+42=90, Resulting Numbers: [90] 90,41 unequal: No Solution Moving to Node #0,1,1 Current State: 41:[48, 42], Operations: ['54-49=5', '47-5=42'] Exploring Operation: 48+42=90, Resulting Numbers: [90] 90,41 unequal: No Solution Exploring Operation: 48-42=6, Resulting Numbers: [6] 6,41 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 27, 94, 48, 57 ]
58
[ "94-27=67", "57-48=9", "67-9=58" ]
Current State: 58:[27, 94, 48, 57], Operations: [] Exploring Operation: 94-27=67, Resulting Numbers: [48, 57, 67] Generated Node #2: [48, 57, 67] from Operation: 94-27=67 Current State: 58:[48, 57, 67], Operations: ['94-27=67'] Exploring Operation: 57-48=9, Resulting Numbers: [67, 9] Generated Node #3: [67, 9] from Operation: 57-48=9 Current State: 58:[67, 9], Operations: ['94-27=67', '57-48=9'] Exploring Operation: 67-9=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[27, 94, 48, 57], Operations: [] Exploring Operation: 94-57=37, Resulting Numbers: [27, 48, 37] Generated Node #0,0: 58:[27, 48, 37] Operation: 94-57=37 Exploring Operation: 94-27=67, Resulting Numbers: [48, 57, 67] Generated Node #0,1: 58:[48, 57, 67] Operation: 94-27=67 Exploring Operation: 94-48=46, Resulting Numbers: [27, 57, 46] Generated Node #0,2: 58:[27, 57, 46] Operation: 94-48=46 Moving to Node #0,2 Current State: 58:[27, 57, 46], Operations: ['94-48=46'] Exploring Operation: 46-27=19, Resulting Numbers: [57, 19] Generated Node #0,2,0: 58:[57, 19] Operation: 46-27=19 Exploring Operation: 57-46=11, Resulting Numbers: [27, 11] Generated Node #0,2,1: 58:[27, 11] Operation: 57-46=11 Exploring Operation: 57-27=30, Resulting Numbers: [46, 30] Generated Node #0,2,2: 58:[46, 30] Operation: 57-27=30 Moving to Node #0,0 Current State: 58:[27, 48, 37], Operations: ['94-57=37'] Exploring Operation: 27+37=64, Resulting Numbers: [48, 64] Generated Node #0,0,0: 58:[48, 64] Operation: 27+37=64 Exploring Operation: 48-37=11, Resulting Numbers: [27, 11] Generated Node #0,0,1: 58:[27, 11] Operation: 48-37=11 Exploring Operation: 48-27=21, Resulting Numbers: [37, 21] Generated Node #0,0,2: 58:[37, 21] Operation: 48-27=21 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 58:[27, 11], Operations: ['94-57=37', '48-37=11'] Exploring Operation: 27*11=297, Resulting Numbers: [297] 297,58 unequal: No Solution Exploring Operation: 27+11=38, Resulting Numbers: [38] 38,58 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,58 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 #0,0,0 Current State: 58:[48, 64], Operations: ['94-57=37', '27+37=64'] Exploring Operation: 48*64=3072, Resulting Numbers: [3072] 3072,58 unequal: No Solution Exploring Operation: 48+64=112, Resulting Numbers: [112] 112,58 unequal: No Solution Exploring Operation: 64-48=16, Resulting Numbers: [16] 16,58 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 #0,0,2 Current State: 58:[37, 21], Operations: ['94-57=37', '48-27=21'] Exploring Operation: 37*21=777, Resulting Numbers: [777] 777,58 unequal: No Solution Exploring Operation: 37+21=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[27, 94, 48, 57], Operations: [] Exploring Operation: 94-57=37, Resulting Numbers: [27, 48, 37] Generated Node #0,0: 58:[27, 48, 37] Operation: 94-57=37 Moving to Node #0,0 Current State: 58:[27, 48, 37], Operations: ['94-57=37'] Exploring Operation: 48-27=21, Resulting Numbers: [37, 21] Generated Node #0,0,2: 58:[37, 21] Operation: 48-27=21 Moving to Node #0,0,2 Current State: 58:[37, 21], Operations: ['94-57=37', '48-27=21'] Exploring Operation: 37+21=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_3
mult_heuristic
[ 34, 35, 65, 32 ]
68
[ "65-35=30", "32-30=2", "34*2=68" ]
Current State: 68:[34, 35, 65, 32], Operations: [] Exploring Operation: 65-35=30, Resulting Numbers: [34, 32, 30] Generated Node #2: [34, 32, 30] from Operation: 65-35=30 Current State: 68:[34, 32, 30], Operations: ['65-35=30'] Exploring Operation: 32-30=2, Resulting Numbers: [34, 2] Generated Node #3: [34, 2] from Operation: 32-30=2 Current State: 68:[34, 2], Operations: ['65-35=30', '32-30=2'] Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[34, 35, 65, 32], Operations: [] Exploring Operation: 65-32=33, Resulting Numbers: [34, 35, 33] Generated Node #0,0: 68:[34, 35, 33] Operation: 65-32=33 Moving to Node #0,0 Current State: 68:[34, 35, 33], Operations: ['65-32=33'] Exploring Operation: 35+33=68, Resulting Numbers: [34, 68] Generated Node #0,0,0: 68:[34, 68] Operation: 35+33=68 Moving to Node #0,0,0 Current State: 68:[34, 68], Operations: ['65-32=33', '35+33=68'] Exploring Operation: 68-34=34, Resulting Numbers: [34] 34,68 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 31, 55, 36, 27 ]
32
[ "55-31=24", "36*24=864", "864/27=32" ]
Current State: 32:[31, 55, 36, 27], Operations: [] Exploring Operation: 55-31=24, Resulting Numbers: [36, 27, 24] Generated Node #2: [36, 27, 24] from Operation: 55-31=24 Current State: 32:[36, 27, 24], Operations: ['55-31=24'] Exploring Operation: 36*24=864, Resulting Numbers: [27, 864] Generated Node #3: [27, 864] from Operation: 36*24=864 Current State: 32:[27, 864], Operations: ['55-31=24', '36*24=864'] Exploring Operation: 864/27=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[31, 55, 36, 27], Operations: [] Exploring Operation: 55-27=28, Resulting Numbers: [31, 36, 28] Generated Node #0,0: 32:[31, 36, 28] Operation: 55-27=28 Exploring Operation: 55-31=24, Resulting Numbers: [36, 27, 24] Generated Node #0,1: 32:[36, 27, 24] Operation: 55-31=24 Exploring Operation: 55-36=19, Resulting Numbers: [31, 27, 19] Generated Node #0,2: 32:[31, 27, 19] Operation: 55-36=19 Moving to Node #0,0 Current State: 32:[31, 36, 28], Operations: ['55-27=28'] Exploring Operation: 36-31=5, Resulting Numbers: [28, 5] Generated Node #0,0,0: 32:[28, 5] Operation: 36-31=5 Exploring Operation: 36-28=8, Resulting Numbers: [31, 8] Generated Node #0,0,1: 32:[31, 8] Operation: 36-28=8 Exploring Operation: 31-28=3, Resulting Numbers: [36, 3] Generated Node #0,0,2: 32:[36, 3] Operation: 31-28=3 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 32:[31, 8], Operations: ['55-27=28', '36-28=8'] Exploring Operation: 31+8=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 31*8=248, Resulting Numbers: [248] 248,32 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[28, 5], Operations: ['55-27=28', '36-31=5'] Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,32 unequal: No Solution Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,32 unequal: No Solution Exploring Operation: 28*5=140, Resulting Numbers: [140] 140,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 32:[36, 3], Operations: ['55-27=28', '31-28=3'] Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,32 unequal: No Solution Exploring Operation: 36+3=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 32:[31, 27, 19], Operations: ['55-36=19'] Exploring Operation: 31-27=4, Resulting Numbers: [19, 4] Generated Node #0,2,0: 32:[19, 4] Operation: 31-27=4 Exploring Operation: 27-19=8, Resulting Numbers: [31, 8] Generated Node #0,2,1: 32:[31, 8] Operation: 27-19=8 Exploring Operation: 31-19=12, Resulting Numbers: [27, 12] Generated Node #0,2,2: 32:[27, 12] Operation: 31-19=12 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 32:[31, 8], Operations: ['55-36=19', '27-19=8'] Exploring Operation: 31*8=248, Resulting Numbers: [248] 248,32 unequal: No Solution Exploring Operation: 31+8=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 32:[19, 4], Operations: ['55-36=19', '31-27=4'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,32 unequal: No Solution Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 32:[27, 12], Operations: ['55-36=19', '31-19=12'] Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 27*12=324, Resulting Numbers: [324] 324,32 unequal: No Solution Exploring Operation: 27+12=39, Resulting Numbers: [39] 39,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 32:[36, 27, 24], Operations: ['55-31=24'] Exploring Operation: 36-27=9, Resulting Numbers: [24, 9] Generated Node #0,1,0: 32:[24, 9] Operation: 36-27=9 Exploring Operation: 36-24=12, Resulting Numbers: [27, 12] Generated Node #0,1,1: 32:[27, 12] Operation: 36-24=12 Exploring Operation: 27-24=3, Resulting Numbers: [36, 3] Generated Node #0,1,2: 32:[36, 3] Operation: 27-24=3 Moving to Node #0,1,2 Current State: 32:[36, 3], Operations: ['55-31=24', '27-24=3'] Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,32 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,32 unequal: No Solution Exploring Operation: 36+3=39, Resulting Numbers: [39] 39,32 unequal: No Solution Moving to Node #0,1,0 Current State: 32:[24, 9], Operations: ['55-31=24', '36-27=9'] Exploring Operation: 24+9=33, Resulting Numbers: [33] 33,32 unequal: No Solution Exploring Operation: 24*9=216, Resulting Numbers: [216] 216,32 unequal: No Solution Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[27, 12], Operations: ['55-31=24', '36-24=12'] Exploring Operation: 27*12=324, Resulting Numbers: [324] 324,32 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 27+12=39, Resulting Numbers: [39] 39,32 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 15, 27, 9, 62 ]
21
[ "62-27=35", "9*35=315", "315/15=21" ]
Current State: 21:[15, 27, 9, 62], Operations: [] Exploring Operation: 62-27=35, Resulting Numbers: [15, 9, 35] Generated Node #2: [15, 9, 35] from Operation: 62-27=35 Current State: 21:[15, 9, 35], Operations: ['62-27=35'] Exploring Operation: 9*35=315, Resulting Numbers: [15, 315] Generated Node #3: [15, 315] from Operation: 9*35=315 Current State: 21:[15, 315], Operations: ['62-27=35', '9*35=315'] Exploring Operation: 315/15=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[15, 27, 9, 62], Operations: [] Exploring Operation: 62-27=35, Resulting Numbers: [15, 9, 35] Generated Node #0,0: 21:[15, 9, 35] Operation: 62-27=35 Moving to Node #0,0 Current State: 21:[15, 9, 35], Operations: ['62-27=35'] Exploring Operation: 35-15=20, Resulting Numbers: [9, 20] Generated Node #0,0,0: 21:[9, 20] Operation: 35-15=20 Moving to Node #0,0,0 Current State: 21:[9, 20], Operations: ['62-27=35', '35-15=20'] Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,21 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 32, 20, 16, 34 ]
44
[ "32/16=2", "20/2=10", "34+10=44" ]
Current State: 44:[32, 20, 16, 34], Operations: [] Exploring Operation: 32/16=2, Resulting Numbers: [20, 34, 2] Generated Node #2: [20, 34, 2] from Operation: 32/16=2 Current State: 44:[20, 34, 2], Operations: ['32/16=2'] Exploring Operation: 20/2=10, Resulting Numbers: [34, 10] Generated Node #3: [34, 10] from Operation: 20/2=10 Current State: 44:[34, 10], Operations: ['32/16=2', '20/2=10'] Exploring Operation: 34+10=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[32, 20, 16, 34], Operations: [] Exploring Operation: 34-32=2, Resulting Numbers: [20, 16, 2] Generated Node #0,0: 44:[20, 16, 2] Operation: 34-32=2 Moving to Node #0,0 Current State: 44:[20, 16, 2], Operations: ['34-32=2'] Exploring Operation: 20-16=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 44:[2, 4] Operation: 20-16=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[2, 4], Operations: ['34-32=2', '20-16=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,44 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
[ 78, 5, 7, 60 ]
55
[ "78-7=71", "71-60=11", "5*11=55" ]
Current State: 55:[78, 5, 7, 60], Operations: [] Exploring Operation: 78-7=71, Resulting Numbers: [5, 60, 71] Generated Node #2: [5, 60, 71] from Operation: 78-7=71 Current State: 55:[5, 60, 71], Operations: ['78-7=71'] Exploring Operation: 71-60=11, Resulting Numbers: [5, 11] Generated Node #3: [5, 11] from Operation: 71-60=11 Current State: 55:[5, 11], Operations: ['78-7=71', '71-60=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[78, 5, 7, 60], Operations: [] Exploring Operation: 78-60=18, Resulting Numbers: [5, 7, 18] Generated Node #0,0: 55:[5, 7, 18] Operation: 78-60=18 Exploring Operation: 78-7=71, Resulting Numbers: [5, 60, 71] Generated Node #0,1: 55:[5, 60, 71] Operation: 78-7=71 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[5, 7, 18], Operations: ['78-60=18'] Exploring Operation: 18-7=11, Resulting Numbers: [5, 11] Generated Node #0,0,0: 55:[5, 11] Operation: 18-7=11 Exploring Operation: 18-5=13, Resulting Numbers: [7, 13] Generated Node #0,0,1: 55:[7, 13] Operation: 18-5=13 Moving to Node #0,0,0 Current State: 55:[5, 11], Operations: ['78-60=18', '18-7=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[78, 5, 7, 60], Operations: [] Exploring Operation: 78-60=18, Resulting Numbers: [5, 7, 18] Generated Node #0,0: 55:[5, 7, 18] Operation: 78-60=18 Moving to Node #0,0 Current State: 55:[5, 7, 18], Operations: ['78-60=18'] Exploring Operation: 18-7=11, Resulting Numbers: [5, 11] Generated Node #0,0,0: 55:[5, 11] Operation: 18-7=11 Moving to Node #0,0,0 Current State: 55:[5, 11], Operations: ['78-60=18', '18-7=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 38, 65, 70, 98 ]
75
[ "38+65=103", "98-70=28", "103-28=75" ]
Current State: 75:[38, 65, 70, 98], Operations: [] Exploring Operation: 38+65=103, Resulting Numbers: [70, 98, 103] Generated Node #2: [70, 98, 103] from Operation: 38+65=103 Current State: 75:[70, 98, 103], Operations: ['38+65=103'] Exploring Operation: 98-70=28, Resulting Numbers: [103, 28] Generated Node #3: [103, 28] from Operation: 98-70=28 Current State: 75:[103, 28], Operations: ['38+65=103', '98-70=28'] Exploring Operation: 103-28=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[38, 65, 70, 98], Operations: [] Exploring Operation: 98-65=33, Resulting Numbers: [38, 70, 33] Generated Node #0,0: 75:[38, 70, 33] Operation: 98-65=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[38, 70, 33], Operations: ['98-65=33'] Exploring Operation: 38-33=5, Resulting Numbers: [70, 5] Generated Node #0,0,0: 75:[70, 5] Operation: 38-33=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[70, 5], Operations: ['98-65=33', '38-33=5'] Exploring Operation: 70+5=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[38, 65, 70, 98], Operations: [] Exploring Operation: 98-65=33, Resulting Numbers: [38, 70, 33] Generated Node #0,0: 75:[38, 70, 33] Operation: 98-65=33 Moving to Node #0,0 Current State: 75:[38, 70, 33], Operations: ['98-65=33'] Exploring Operation: 38-33=5, Resulting Numbers: [70, 5] Generated Node #0,0,0: 75:[70, 5] Operation: 38-33=5 Moving to Node #0,0,0 Current State: 75:[70, 5], Operations: ['98-65=33', '38-33=5'] Exploring Operation: 70+5=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 86, 68, 30, 43 ]
40
[ "86/43=2", "68-30=38", "2+38=40" ]
Current State: 40:[86, 68, 30, 43], Operations: [] Exploring Operation: 86/43=2, Resulting Numbers: [68, 30, 2] Generated Node #2: [68, 30, 2] from Operation: 86/43=2 Current State: 40:[68, 30, 2], Operations: ['86/43=2'] Exploring Operation: 68-30=38, Resulting Numbers: [2, 38] Generated Node #3: [2, 38] from Operation: 68-30=38 Current State: 40:[2, 38], Operations: ['86/43=2', '68-30=38'] Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[86, 68, 30, 43], Operations: [] Exploring Operation: 86-43=43, Resulting Numbers: [68, 30, 43] Generated Node #0,0: 40:[68, 30, 43] Operation: 86-43=43 Exploring Operation: 86-30=56, Resulting Numbers: [68, 43, 56] Generated Node #0,1: 40:[68, 43, 56] Operation: 86-30=56 Exploring Operation: 86/43=2, Resulting Numbers: [68, 30, 2] Generated Node #0,2: 40:[68, 30, 2] Operation: 86/43=2 Exploring Operation: 86-68=18, Resulting Numbers: [30, 43, 18] Generated Node #0,3: 40:[30, 43, 18] Operation: 86-68=18 Moving to Node #0,3 Current State: 40:[30, 43, 18], Operations: ['86-68=18'] Exploring Operation: 43-18=25, Resulting Numbers: [30, 25] Generated Node #0,3,0: 40:[30, 25] Operation: 43-18=25 Exploring Operation: 43-30=13, Resulting Numbers: [18, 13] Generated Node #0,3,1: 40:[18, 13] Operation: 43-30=13 Exploring Operation: 30-18=12, Resulting Numbers: [43, 12] Generated Node #0,3,2: 40:[43, 12] Operation: 30-18=12 Exploring Operation: 30+18=48, Resulting Numbers: [43, 48] Generated Node #0,3,3: 40:[43, 48] Operation: 30+18=48 Moving to Node #0,2 Current State: 40:[68, 30, 2], Operations: ['86/43=2'] Exploring Operation: 68/2=34, Resulting Numbers: [30, 34] Generated Node #0,2,0: 40:[30, 34] Operation: 68/2=34 Exploring Operation: 68-30=38, Resulting Numbers: [2, 38] Generated Node #0,2,1: 40:[2, 38] Operation: 68-30=38 Exploring Operation: 68-2=66, Resulting Numbers: [30, 66] Generated Node #0,2,2: 40:[30, 66] Operation: 68-2=66 Exploring Operation: 30/2=15, Resulting Numbers: [68, 15] Generated Node #0,2,3: 40:[68, 15] Operation: 30/2=15 Moving to Node #0,0 Current State: 40:[68, 30, 43], Operations: ['86-43=43'] Exploring Operation: 68+30=98, Resulting Numbers: [43, 98] Generated Node #0,0,0: 40:[43, 98] Operation: 68+30=98 Exploring Operation: 68-30=38, Resulting Numbers: [43, 38] Generated Node #0,0,1: 40:[43, 38] Operation: 68-30=38 Exploring Operation: 43-30=13, Resulting Numbers: [68, 13] Generated Node #0,0,2: 40:[68, 13] Operation: 43-30=13 Exploring Operation: 68-43=25, Resulting Numbers: [30, 25] Generated Node #0,0,3: 40:[30, 25] Operation: 68-43=25 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 40:[43, 38], Operations: ['86-43=43', '68-30=38'] Exploring Operation: 43*38=1634, Resulting Numbers: [1634] 1634,40 unequal: No Solution Exploring Operation: 43-38=5, Resulting Numbers: [5] 5,40 unequal: No Solution Exploring Operation: 43+38=81, Resulting Numbers: [81] 81,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 40:[30, 25], Operations: ['86-43=43', '68-43=25'] Exploring Operation: 30+25=55, Resulting Numbers: [55] 55,40 unequal: No Solution Exploring Operation: 30*25=750, Resulting Numbers: [750] 750,40 unequal: No Solution Exploring Operation: 30-25=5, Resulting Numbers: [5] 5,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 40:[68, 13], Operations: ['86-43=43', '43-30=13'] Exploring Operation: 68+13=81, Resulting Numbers: [81] 81,40 unequal: No Solution Exploring Operation: 68-13=55, Resulting Numbers: [55] 55,40 unequal: No Solution Exploring Operation: 68*13=884, Resulting Numbers: [884] 884,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[43, 98], Operations: ['86-43=43', '68+30=98'] Exploring Operation: 98-43=55, Resulting Numbers: [55] 55,40 unequal: No Solution Exploring Operation: 43*98=4214, Resulting Numbers: [4214] 4214,40 unequal: No Solution Exploring Operation: 43+98=141, Resulting Numbers: [141] 141,40 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: 40:[68, 43, 56], Operations: ['86-30=56'] Exploring Operation: 56-43=13, Resulting Numbers: [68, 13] Generated Node #0,1,0: 40:[68, 13] Operation: 56-43=13 Exploring Operation: 68+43=111, Resulting Numbers: [56, 111] Generated Node #0,1,1: 40:[56, 111] Operation: 68+43=111 Exploring Operation: 68-56=12, Resulting Numbers: [43, 12] Generated Node #0,1,2: 40:[43, 12] Operation: 68-56=12 Exploring Operation: 68-43=25, Resulting Numbers: [56, 25] Generated Node #0,1,3: 40:[56, 25] Operation: 68-43=25 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 40:[43, 12], Operations: ['86-30=56', '68-56=12'] Exploring Operation: 43+12=55, Resulting Numbers: [55] 55,40 unequal: No Solution Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,40 unequal: No Solution Exploring Operation: 43*12=516, Resulting Numbers: [516] 516,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 40:[56, 25], Operations: ['86-30=56', '68-43=25'] Exploring Operation: 56-25=31, Resulting Numbers: [31] 31,40 unequal: No Solution Exploring Operation: 56+25=81, Resulting Numbers: [81] 81,40 unequal: No Solution Exploring Operation: 56*25=1400, Resulting Numbers: [1400] 1400,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 40:[68, 13], Operations: ['86-30=56', '56-43=13'] Exploring Operation: 68*13=884, Resulting Numbers: [884] 884,40 unequal: No Solution Exploring Operation: 68-13=55, Resulting Numbers: [55] 55,40 unequal: No Solution Exploring Operation: 68+13=81, Resulting Numbers: [81] 81,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 40:[56, 111], Operations: ['86-30=56', '68+43=111'] Exploring Operation: 56*111=6216, Resulting Numbers: [6216] 6216,40 unequal: No Solution Exploring Operation: 56+111=167, Resulting Numbers: [167] 167,40 unequal: No Solution Exploring Operation: 111-56=55, Resulting Numbers: [55] 55,40 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: 40:[2, 38], Operations: ['86/43=2', '68-30=38'] Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,40 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,40 unequal: No Solution Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,40 unequal: No Solution Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[86, 68, 30, 43], Operations: [] Exploring Operation: 86/43=2, Resulting Numbers: [68, 30, 2] Generated Node #0,2: 40:[68, 30, 2] Operation: 86/43=2 Moving to Node #0,2 Current State: 40:[68, 30, 2], Operations: ['86/43=2'] Exploring Operation: 68-30=38, Resulting Numbers: [2, 38] Generated Node #0,2,1: 40:[2, 38] Operation: 68-30=38 Moving to Node #0,2,1 Current State: 40:[2, 38], Operations: ['86/43=2', '68-30=38'] Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
0.954861
hs_4
mult_heuristic
[ 12, 78, 51, 39 ]
77
[ "51-12=39", "39/39=1", "78-1=77" ]
Current State: 77:[12, 78, 51, 39], Operations: [] Exploring Operation: 51-12=39, Resulting Numbers: [78, 39, 39] Generated Node #2: [78, 39, 39] from Operation: 51-12=39 Current State: 77:[78, 39, 39], Operations: ['51-12=39'] Exploring Operation: 39/39=1, Resulting Numbers: [78, 1] Generated Node #3: [78, 1] from Operation: 39/39=1 Current State: 77:[78, 1], Operations: ['51-12=39', '39/39=1'] Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[12, 78, 51, 39], Operations: [] Exploring Operation: 51-39=12, Resulting Numbers: [12, 78, 12] Generated Node #0,0: 77:[12, 78, 12] Operation: 51-39=12 Exploring Operation: 78/39=2, Resulting Numbers: [12, 51, 2] Generated Node #0,1: 77:[12, 51, 2] Operation: 78/39=2 Exploring Operation: 51+39=90, Resulting Numbers: [12, 78, 90] Generated Node #0,2: 77:[12, 78, 90] Operation: 51+39=90 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[12, 78, 12], Operations: ['51-39=12'] Exploring Operation: 12-12=0, Resulting Numbers: [78, 0] Generated Node #0,0,0: 77:[78, 0] Operation: 12-12=0 Exploring Operation: 78-12=66, Resulting Numbers: [12, 66] Generated Node #0,0,1: 77:[12, 66] Operation: 78-12=66 Exploring Operation: 12/12=1, Resulting Numbers: [78, 1] Generated Node #0,0,2: 77:[78, 1] Operation: 12/12=1 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 77:[78, 1], Operations: ['51-39=12', '12/12=1'] Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[12, 78, 51, 39], Operations: [] Exploring Operation: 51-39=12, Resulting Numbers: [12, 78, 12] Generated Node #0,0: 77:[12, 78, 12] Operation: 51-39=12 Moving to Node #0,0 Current State: 77:[12, 78, 12], Operations: ['51-39=12'] Exploring Operation: 12/12=1, Resulting Numbers: [78, 1] Generated Node #0,0,2: 77:[78, 1] Operation: 12/12=1 Moving to Node #0,0,2 Current State: 77:[78, 1], Operations: ['51-39=12', '12/12=1'] Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 41, 6, 97, 84 ]
22
[ "41-6=35", "97-84=13", "35-13=22" ]
Current State: 22:[41, 6, 97, 84], Operations: [] Exploring Operation: 41-6=35, Resulting Numbers: [97, 84, 35] Generated Node #2: [97, 84, 35] from Operation: 41-6=35 Current State: 22:[97, 84, 35], Operations: ['41-6=35'] Exploring Operation: 97-84=13, Resulting Numbers: [35, 13] Generated Node #3: [35, 13] from Operation: 97-84=13 Current State: 22:[35, 13], Operations: ['41-6=35', '97-84=13'] Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[41, 6, 97, 84], Operations: [] Exploring Operation: 84/6=14, Resulting Numbers: [41, 97, 14] Generated Node #0,0: 22:[41, 97, 14] Operation: 84/6=14 Exploring Operation: 97-84=13, Resulting Numbers: [41, 6, 13] Generated Node #0,1: 22:[41, 6, 13] Operation: 97-84=13 Exploring Operation: 97-41=56, Resulting Numbers: [6, 84, 56] Generated Node #0,2: 22:[6, 84, 56] Operation: 97-41=56 Exploring Operation: 84-41=43, Resulting Numbers: [6, 97, 43] Generated Node #0,3: 22:[6, 97, 43] Operation: 84-41=43 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[41, 6, 13], Operations: ['97-84=13'] Exploring Operation: 41-13=28, Resulting Numbers: [6, 28] Generated Node #0,1,0: 22:[6, 28] Operation: 41-13=28 Exploring Operation: 13-6=7, Resulting Numbers: [41, 7] Generated Node #0,1,1: 22:[41, 7] Operation: 13-6=7 Exploring Operation: 6+13=19, Resulting Numbers: [41, 19] Generated Node #0,1,2: 22:[41, 19] Operation: 6+13=19 Exploring Operation: 41-6=35, Resulting Numbers: [13, 35] Generated Node #0,1,3: 22:[13, 35] Operation: 41-6=35 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 22:[6, 28], Operations: ['97-84=13', '41-13=28'] Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[41, 6, 97, 84], Operations: [] Exploring Operation: 97-84=13, Resulting Numbers: [41, 6, 13] Generated Node #0,1: 22:[41, 6, 13] Operation: 97-84=13 Moving to Node #0,1 Current State: 22:[41, 6, 13], Operations: ['97-84=13'] Exploring Operation: 41-13=28, Resulting Numbers: [6, 28] Generated Node #0,1,0: 22:[6, 28] Operation: 41-13=28 Moving to Node #0,1,0 Current State: 22:[6, 28], Operations: ['97-84=13', '41-13=28'] Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 55, 30, 29, 73 ]
23
[ "55*30=1650", "29+1650=1679", "1679/73=23" ]
Current State: 23:[55, 30, 29, 73], Operations: [] Exploring Operation: 55*30=1650, Resulting Numbers: [29, 73, 1650] Generated Node #2: [29, 73, 1650] from Operation: 55*30=1650 Current State: 23:[29, 73, 1650], Operations: ['55*30=1650'] Exploring Operation: 29+1650=1679, Resulting Numbers: [73, 1679] Generated Node #3: [73, 1679] from Operation: 29+1650=1679 Current State: 23:[73, 1679], Operations: ['55*30=1650', '29+1650=1679'] Exploring Operation: 1679/73=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[55, 30, 29, 73], Operations: [] Exploring Operation: 55-29=26, Resulting Numbers: [30, 73, 26] Generated Node #0,0: 23:[30, 73, 26] Operation: 55-29=26 Exploring Operation: 73-30=43, Resulting Numbers: [55, 29, 43] Generated Node #0,1: 23:[55, 29, 43] Operation: 73-30=43 Exploring Operation: 73-55=18, Resulting Numbers: [30, 29, 18] Generated Node #0,2: 23:[30, 29, 18] Operation: 73-55=18 Exploring Operation: 73-29=44, Resulting Numbers: [55, 30, 44] Generated Node #0,3: 23:[55, 30, 44] Operation: 73-29=44 Exploring Operation: 55-30=25, Resulting Numbers: [29, 73, 25] Generated Node #0,4: 23:[29, 73, 25] Operation: 55-30=25 Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[30, 29, 18], Operations: ['73-55=18'] Exploring Operation: 29+18=47, Resulting Numbers: [30, 47] Generated Node #0,2,0: 23:[30, 47] Operation: 29+18=47 Exploring Operation: 30-18=12, Resulting Numbers: [29, 12] Generated Node #0,2,1: 23:[29, 12] Operation: 30-18=12 Exploring Operation: 29-18=11, Resulting Numbers: [30, 11] Generated Node #0,2,2: 23:[30, 11] Operation: 29-18=11 Exploring Operation: 30-29=1, Resulting Numbers: [18, 1] Generated Node #0,2,3: 23:[18, 1] Operation: 30-29=1 Exploring Operation: 30+18=48, Resulting Numbers: [29, 48] Generated Node #0,2,4: 23:[29, 48] Operation: 30+18=48 Moving to Node #0,2,1 Current State: 23:[29, 12], Operations: ['73-55=18', '30-18=12'] Exploring Operation: 29*12=348, Resulting Numbers: [348] 348,23 unequal: No Solution Exploring Operation: 29+12=41, Resulting Numbers: [41] 41,23 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,23 unequal: No Solution Moving to Node #0,2,2 Current State: 23:[30, 11], Operations: ['73-55=18', '29-18=11'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,23 unequal: No Solution Exploring Operation: 30*11=330, Resulting Numbers: [330] 330,23 unequal: No Solution Exploring Operation: 30+11=41, Resulting Numbers: [41] 41,23 unequal: No Solution Moving to Node #0,2,3 Current State: 23:[18, 1], Operations: ['73-55=18', '30-29=1'] Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,23 unequal: No Solution Moving to Node #0,2,0 Current State: 23:[30, 47], Operations: ['73-55=18', '29+18=47'] Exploring Operation: 47-30=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 30*47=1410, Resulting Numbers: [1410] 1410,23 unequal: No Solution Exploring Operation: 30+47=77, Resulting Numbers: [77] 77,23 unequal: No Solution Moving to Node #0,2,4 Current State: 23:[29, 48], Operations: ['73-55=18', '30+18=48'] Exploring Operation: 29+48=77, Resulting Numbers: [77] 77,23 unequal: No Solution Exploring Operation: 29*48=1392, Resulting Numbers: [1392] 1392,23 unequal: No Solution Exploring Operation: 48-29=19, Resulting Numbers: [19] 19,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[55, 29, 43], Operations: ['73-30=43'] Exploring Operation: 55+43=98, Resulting Numbers: [29, 98] Generated Node #0,1,0: 23:[29, 98] Operation: 55+43=98 Exploring Operation: 43-29=14, Resulting Numbers: [55, 14] Generated Node #0,1,1: 23:[55, 14] Operation: 43-29=14 Exploring Operation: 55+29=84, Resulting Numbers: [43, 84] Generated Node #0,1,2: 23:[43, 84] Operation: 55+29=84 Exploring Operation: 55-29=26, Resulting Numbers: [43, 26] Generated Node #0,1,3: 23:[43, 26] Operation: 55-29=26 Exploring Operation: 55-43=12, Resulting Numbers: [29, 12] Generated Node #0,1,4: 23:[29, 12] Operation: 55-43=12 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 23:[29, 12], Operations: ['73-30=43', '55-43=12'] Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 29*12=348, Resulting Numbers: [348] 348,23 unequal: No Solution Exploring Operation: 29+12=41, Resulting Numbers: [41] 41,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 23:[43, 26], Operations: ['73-30=43', '55-29=26'] Exploring Operation: 43*26=1118, Resulting Numbers: [1118] 1118,23 unequal: No Solution Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 43+26=69, Resulting Numbers: [69] 69,23 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 #0,1,1 Current State: 23:[55, 14], Operations: ['73-30=43', '43-29=14'] Exploring Operation: 55-14=41, Resulting Numbers: [41] 41,23 unequal: No Solution Exploring Operation: 55+14=69, Resulting Numbers: [69] 69,23 unequal: No Solution Exploring Operation: 55*14=770, Resulting Numbers: [770] 770,23 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 #0,1,0 Current State: 23:[29, 98], Operations: ['73-30=43', '55+43=98'] Exploring Operation: 29*98=2842, Resulting Numbers: [2842] 2842,23 unequal: No Solution Exploring Operation: 29+98=127, Resulting Numbers: [127] 127,23 unequal: No Solution Exploring Operation: 98-29=69, Resulting Numbers: [69] 69,23 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 #0,1,2 Current State: 23:[43, 84], Operations: ['73-30=43', '55+29=84'] Exploring Operation: 84-43=41, Resulting Numbers: [41] 41,23 unequal: No Solution Exploring Operation: 43+84=127, Resulting Numbers: [127] 127,23 unequal: No Solution Exploring Operation: 43*84=3612, Resulting Numbers: [3612] 3612,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 23:[29, 73, 25], Operations: ['55-30=25'] Exploring Operation: 29-25=4, Resulting Numbers: [73, 4] Generated Node #0,4,0: 23:[73, 4] Operation: 29-25=4 Exploring Operation: 29+73=102, Resulting Numbers: [25, 102] Generated Node #0,4,1: 23:[25, 102] Operation: 29+73=102 Exploring Operation: 73-25=48, Resulting Numbers: [29, 48] Generated Node #0,4,2: 23:[29, 48] Operation: 73-25=48 Exploring Operation: 29+25=54, Resulting Numbers: [73, 54] Generated Node #0,4,3: 23:[73, 54] Operation: 29+25=54 Exploring Operation: 73-29=44, Resulting Numbers: [25, 44] Generated Node #0,4,4: 23:[25, 44] Operation: 73-29=44 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 23:[25, 44], Operations: ['55-30=25', '73-29=44'] Exploring Operation: 25*44=1100, Resulting Numbers: [1100] 1100,23 unequal: No Solution Exploring Operation: 25+44=69, Resulting Numbers: [69] 69,23 unequal: No Solution Exploring Operation: 44-25=19, Resulting Numbers: [19] 19,23 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 #0,4,2 Current State: 23:[29, 48], Operations: ['55-30=25', '73-25=48'] Exploring Operation: 29+48=77, Resulting Numbers: [77] 77,23 unequal: No Solution Exploring Operation: 48-29=19, Resulting Numbers: [19] 19,23 unequal: No Solution Exploring Operation: 29*48=1392, Resulting Numbers: [1392] 1392,23 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 #0,4,0 Current State: 23:[73, 4], Operations: ['55-30=25', '29-25=4'] Exploring Operation: 73*4=292, Resulting Numbers: [292] 292,23 unequal: No Solution Exploring Operation: 73+4=77, Resulting Numbers: [77] 77,23 unequal: No Solution Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,23 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 #0,4,1 Current State: 23:[25, 102], Operations: ['55-30=25', '29+73=102'] Exploring Operation: 25+102=127, Resulting Numbers: [127] 127,23 unequal: No Solution Exploring Operation: 25*102=2550, Resulting Numbers: [2550] 2550,23 unequal: No Solution Exploring Operation: 102-25=77, Resulting Numbers: [77] 77,23 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 #0,4,3 Current State: 23:[73, 54], Operations: ['55-30=25', '29+25=54'] Exploring Operation: 73+54=127, Resulting Numbers: [127] 127,23 unequal: No Solution Exploring Operation: 73-54=19, Resulting Numbers: [19] 19,23 unequal: No Solution Exploring Operation: 73*54=3942, Resulting Numbers: [3942] 3942,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[30, 73, 26], Operations: ['55-29=26'] Exploring Operation: 30+73=103, Resulting Numbers: [26, 103] Generated Node #0,0,0: 23:[26, 103] Operation: 30+73=103 Exploring Operation: 30+26=56, Resulting Numbers: [73, 56] Generated Node #0,0,1: 23:[73, 56] Operation: 30+26=56 Exploring Operation: 73-30=43, Resulting Numbers: [26, 43] Generated Node #0,0,2: 23:[26, 43] Operation: 73-30=43 Exploring Operation: 30-26=4, Resulting Numbers: [73, 4] Generated Node #0,0,3: 23:[73, 4] Operation: 30-26=4 Exploring Operation: 73-26=47, Resulting Numbers: [30, 47] Generated Node #0,0,4: 23:[30, 47] Operation: 73-26=47 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 23:[26, 43], Operations: ['55-29=26', '73-30=43'] Exploring Operation: 26+43=69, Resulting Numbers: [69] 69,23 unequal: No Solution Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 26*43=1118, Resulting Numbers: [1118] 1118,23 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 #0,0,4 Current State: 23:[30, 47], Operations: ['55-29=26', '73-26=47'] Exploring Operation: 30+47=77, Resulting Numbers: [77] 77,23 unequal: No Solution Exploring Operation: 47-30=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 30*47=1410, Resulting Numbers: [1410] 1410,23 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 #0,0,3 Current State: 23:[73, 4], Operations: ['55-29=26', '30-26=4'] Exploring Operation: 73*4=292, Resulting Numbers: [292] 292,23 unequal: No Solution Exploring Operation: 73+4=77, Resulting Numbers: [77] 77,23 unequal: No Solution Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,23 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 #0,0,0 Current State: 23:[26, 103], Operations: ['55-29=26', '30+73=103'] Exploring Operation: 103-26=77, Resulting Numbers: [77] 77,23 unequal: No Solution Exploring Operation: 26*103=2678, Resulting Numbers: [2678] 2678,23 unequal: No Solution Exploring Operation: 26+103=129, Resulting Numbers: [129] 129,23 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:[73, 56], Operations: ['55-29=26', '30+26=56'] Exploring Operation: 73*56=4088, Resulting Numbers: [4088] 4088,23 unequal: No Solution Exploring Operation: 73+56=129, Resulting Numbers: [129] 129,23 unequal: No Solution Exploring Operation: 73-56=17, Resulting Numbers: [17] 17,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 23:[55, 30, 44], Operations: ['73-29=44'] Exploring Operation: 55+44=99, Resulting Numbers: [30, 99] Generated Node #0,3,0: 23:[30, 99] Operation: 55+44=99 Exploring Operation: 55-30=25, Resulting Numbers: [44, 25] Generated Node #0,3,1: 23:[44, 25] Operation: 55-30=25 Exploring Operation: 55-44=11, Resulting Numbers: [30, 11] Generated Node #0,3,2: 23:[30, 11] Operation: 55-44=11 Exploring Operation: 55+30=85, Resulting Numbers: [44, 85] Generated Node #0,3,3: 23:[44, 85] Operation: 55+30=85 Exploring Operation: 44-30=14, Resulting Numbers: [55, 14] Generated Node #0,3,4: 23:[55, 14] Operation: 44-30=14 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 23:[30, 11], Operations: ['73-29=44', '55-44=11'] Exploring Operation: 30+11=41, Resulting Numbers: [41] 41,23 unequal: No Solution Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,23 unequal: No Solution Exploring Operation: 30*11=330, Resulting Numbers: [330] 330,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 23:[44, 25], Operations: ['73-29=44', '55-30=25'] Exploring Operation: 44*25=1100, Resulting Numbers: [1100] 1100,23 unequal: No Solution Exploring Operation: 44+25=69, Resulting Numbers: [69] 69,23 unequal: No Solution Exploring Operation: 44-25=19, Resulting Numbers: [19] 19,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 23:[55, 14], Operations: ['73-29=44', '44-30=14'] Exploring Operation: 55*14=770, Resulting Numbers: [770] 770,23 unequal: No Solution Exploring Operation: 55+14=69, Resulting Numbers: [69] 69,23 unequal: No Solution Exploring Operation: 55-14=41, Resulting Numbers: [41] 41,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 23:[30, 99], Operations: ['73-29=44', '55+44=99'] Exploring Operation: 30+99=129, Resulting Numbers: [129] 129,23 unequal: No Solution Exploring Operation: 99-30=69, Resulting Numbers: [69] 69,23 unequal: No Solution Exploring Operation: 30*99=2970, Resulting Numbers: [2970] 2970,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 23:[44, 85], Operations: ['73-29=44', '55+30=85'] Exploring Operation: 85-44=41, Resulting Numbers: [41] 41,23 unequal: No Solution Exploring Operation: 44+85=129, Resulting Numbers: [129] 129,23 unequal: No Solution Exploring Operation: 44*85=3740, Resulting Numbers: [3740] 3740,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 44, 31, 62, 34 ]
39
[ "44+34=78", "62/31=2", "78/2=39" ]
Current State: 39:[44, 31, 62, 34], Operations: [] Exploring Operation: 44+34=78, Resulting Numbers: [31, 62, 78] Generated Node #2: [31, 62, 78] from Operation: 44+34=78 Current State: 39:[31, 62, 78], Operations: ['44+34=78'] Exploring Operation: 62/31=2, Resulting Numbers: [78, 2] Generated Node #3: [78, 2] from Operation: 62/31=2 Current State: 39:[78, 2], Operations: ['44+34=78', '62/31=2'] Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[44, 31, 62, 34], Operations: [] Exploring Operation: 62-44=18, Resulting Numbers: [31, 34, 18] Generated Node #0,0: 39:[31, 34, 18] Operation: 62-44=18 Exploring Operation: 62/31=2, Resulting Numbers: [44, 34, 2] Generated Node #0,1: 39:[44, 34, 2] Operation: 62/31=2 Exploring Operation: 62-31=31, Resulting Numbers: [44, 34, 31] Generated Node #0,2: 39:[44, 34, 31] Operation: 62-31=31 Moving to Node #0,1 Current State: 39:[44, 34, 2], Operations: ['62/31=2'] Exploring Operation: 34+2=36, Resulting Numbers: [44, 36] Generated Node #0,1,0: 39:[44, 36] Operation: 34+2=36 Exploring Operation: 44-34=10, Resulting Numbers: [2, 10] Generated Node #0,1,1: 39:[2, 10] Operation: 44-34=10 Exploring Operation: 44-2=42, Resulting Numbers: [34, 42] Generated Node #0,1,2: 39:[34, 42] Operation: 44-2=42 Moving to Node #0,0 Current State: 39:[31, 34, 18], Operations: ['62-44=18'] Exploring Operation: 34-31=3, Resulting Numbers: [18, 3] Generated Node #0,0,0: 39:[18, 3] Operation: 34-31=3 Exploring Operation: 31-18=13, Resulting Numbers: [34, 13] Generated Node #0,0,1: 39:[34, 13] Operation: 31-18=13 Exploring Operation: 34-18=16, Resulting Numbers: [31, 16] Generated Node #0,0,2: 39:[31, 16] Operation: 34-18=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[18, 3], Operations: ['62-44=18', '34-31=3'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,39 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 39:[34, 13], Operations: ['62-44=18', '31-18=13'] Exploring Operation: 34+13=47, Resulting Numbers: [47] 47,39 unequal: No Solution Exploring Operation: 34*13=442, Resulting Numbers: [442] 442,39 unequal: No Solution Exploring Operation: 34-13=21, Resulting Numbers: [21] 21,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 39:[31, 16], Operations: ['62-44=18', '34-18=16'] Exploring Operation: 31-16=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 31+16=47, Resulting Numbers: [47] 47,39 unequal: No Solution Exploring Operation: 31*16=496, Resulting Numbers: [496] 496,39 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: 39:[44, 34, 31], Operations: ['62-31=31'] Exploring Operation: 44-34=10, Resulting Numbers: [31, 10] Generated Node #0,2,0: 39:[31, 10] Operation: 44-34=10 Exploring Operation: 34-31=3, Resulting Numbers: [44, 3] Generated Node #0,2,1: 39:[44, 3] Operation: 34-31=3 Exploring Operation: 44-31=13, Resulting Numbers: [34, 13] Generated Node #0,2,2: 39:[34, 13] Operation: 44-31=13 Moving to Node #0,1,1 Current State: 39:[2, 10], Operations: ['62/31=2', '44-34=10'] Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[44, 3], Operations: ['62-31=31', '34-31=3'] Exploring Operation: 44+3=47, Resulting Numbers: [47] 47,39 unequal: No Solution Exploring Operation: 44*3=132, Resulting Numbers: [132] 132,39 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[34, 13], Operations: ['62-31=31', '44-31=13'] Exploring Operation: 34-13=21, Resulting Numbers: [21] 21,39 unequal: No Solution Exploring Operation: 34*13=442, Resulting Numbers: [442] 442,39 unequal: No Solution Exploring Operation: 34+13=47, Resulting Numbers: [47] 47,39 unequal: No Solution Moving to Node #0,1,2 Current State: 39:[34, 42], Operations: ['62/31=2', '44-2=42'] Exploring Operation: 34*42=1428, Resulting Numbers: [1428] 1428,39 unequal: No Solution Exploring Operation: 42-34=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 34+42=76, Resulting Numbers: [76] 76,39 unequal: No Solution Moving to Node #0,1,0 Current State: 39:[44, 36], Operations: ['62/31=2', '34+2=36'] Exploring Operation: 44-36=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 44+36=80, Resulting Numbers: [80] 80,39 unequal: No Solution Exploring Operation: 44*36=1584, Resulting Numbers: [1584] 1584,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[31, 10], Operations: ['62-31=31', '44-34=10'] Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,39 unequal: No Solution Exploring Operation: 31*10=310, Resulting Numbers: [310] 310,39 unequal: No Solution Exploring Operation: 31+10=41, Resulting Numbers: [41] 41,39 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 70, 92, 32, 46 ]
67
[ "70*46=3220", "3220/92=35", "32+35=67" ]
Current State: 67:[70, 92, 32, 46], Operations: [] Exploring Operation: 70*46=3220, Resulting Numbers: [92, 32, 3220] Generated Node #2: [92, 32, 3220] from Operation: 70*46=3220 Current State: 67:[92, 32, 3220], Operations: ['70*46=3220'] Exploring Operation: 3220/92=35, Resulting Numbers: [32, 35] Generated Node #3: [32, 35] from Operation: 3220/92=35 Current State: 67:[32, 35], Operations: ['70*46=3220', '3220/92=35'] Exploring Operation: 32+35=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[70, 92, 32, 46], Operations: [] Exploring Operation: 92-46=46, Resulting Numbers: [70, 32, 46] Generated Node #0,0: 67:[70, 32, 46] Operation: 92-46=46 Exploring Operation: 92-32=60, Resulting Numbers: [70, 46, 60] Generated Node #0,1: 67:[70, 46, 60] Operation: 92-32=60 Exploring Operation: 32+46=78, Resulting Numbers: [70, 92, 78] Generated Node #0,2: 67:[70, 92, 78] Operation: 32+46=78 Exploring Operation: 70+32=102, Resulting Numbers: [92, 46, 102] Generated Node #0,3: 67:[92, 46, 102] Operation: 70+32=102 Exploring Operation: 70-32=38, Resulting Numbers: [92, 46, 38] Generated Node #0,4: 67:[92, 46, 38] Operation: 70-32=38 Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[70, 46, 60], Operations: ['92-32=60'] Exploring Operation: 60-46=14, Resulting Numbers: [70, 14] Generated Node #0,1,0: 67:[70, 14] Operation: 60-46=14 Exploring Operation: 46+60=106, Resulting Numbers: [70, 106] Generated Node #0,1,1: 67:[70, 106] Operation: 46+60=106 Exploring Operation: 70-60=10, Resulting Numbers: [46, 10] Generated Node #0,1,2: 67:[46, 10] Operation: 70-60=10 Exploring Operation: 70-46=24, Resulting Numbers: [60, 24] Generated Node #0,1,3: 67:[60, 24] Operation: 70-46=24 Exploring Operation: 70+46=116, Resulting Numbers: [60, 116] Generated Node #0,1,4: 67:[60, 116] Operation: 70+46=116 Moving to Node #0,1,1 Current State: 67:[70, 106], Operations: ['92-32=60', '46+60=106'] Exploring Operation: 70*106=7420, Resulting Numbers: [7420] 7420,67 unequal: No Solution Exploring Operation: 70+106=176, Resulting Numbers: [176] 176,67 unequal: No Solution Exploring Operation: 106-70=36, Resulting Numbers: [36] 36,67 unequal: No Solution Moving to Node #0,1,3 Current State: 67:[60, 24], Operations: ['92-32=60', '70-46=24'] Exploring Operation: 60+24=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 60*24=1440, Resulting Numbers: [1440] 1440,67 unequal: No Solution Exploring Operation: 60-24=36, Resulting Numbers: [36] 36,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[70, 14], Operations: ['92-32=60', '60-46=14'] Exploring Operation: 70+14=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 70/14=5, Resulting Numbers: [5] 5,67 unequal: No Solution Exploring Operation: 70-14=56, Resulting Numbers: [56] 56,67 unequal: No Solution Exploring Operation: 70*14=980, Resulting Numbers: [980] 980,67 unequal: No Solution Moving to Node #0,1,4 Current State: 67:[60, 116], Operations: ['92-32=60', '70+46=116'] Exploring Operation: 116-60=56, Resulting Numbers: [56] 56,67 unequal: No Solution Exploring Operation: 60+116=176, Resulting Numbers: [176] 176,67 unequal: No Solution Exploring Operation: 60*116=6960, Resulting Numbers: [6960] 6960,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[46, 10], Operations: ['92-32=60', '70-60=10'] Exploring Operation: 46+10=56, Resulting Numbers: [56] 56,67 unequal: No Solution Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,67 unequal: No Solution Exploring Operation: 46*10=460, Resulting Numbers: [460] 460,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[70, 92, 78], Operations: ['32+46=78'] Exploring Operation: 78-70=8, Resulting Numbers: [92, 8] Generated Node #0,2,0: 67:[92, 8] Operation: 78-70=8 Exploring Operation: 92-70=22, Resulting Numbers: [78, 22] Generated Node #0,2,1: 67:[78, 22] Operation: 92-70=22 Exploring Operation: 70+78=148, Resulting Numbers: [92, 148] Generated Node #0,2,2: 67:[92, 148] Operation: 70+78=148 Exploring Operation: 70+92=162, Resulting Numbers: [78, 162] Generated Node #0,2,3: 67:[78, 162] Operation: 70+92=162 Exploring Operation: 92-78=14, Resulting Numbers: [70, 14] Generated Node #0,2,4: 67:[70, 14] Operation: 92-78=14 Moving to Node #0,2,1 Current State: 67:[78, 22], Operations: ['32+46=78', '92-70=22'] Exploring Operation: 78-22=56, Resulting Numbers: [56] 56,67 unequal: No Solution Exploring Operation: 78*22=1716, Resulting Numbers: [1716] 1716,67 unequal: No Solution Exploring Operation: 78+22=100, Resulting Numbers: [100] 100,67 unequal: No Solution Moving to Node #0,2,4 Current State: 67:[70, 14], Operations: ['32+46=78', '92-78=14'] Exploring Operation: 70/14=5, Resulting Numbers: [5] 5,67 unequal: No Solution Exploring Operation: 70*14=980, Resulting Numbers: [980] 980,67 unequal: No Solution Exploring Operation: 70+14=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 70-14=56, Resulting Numbers: [56] 56,67 unequal: No Solution Moving to Node #0,2,0 Current State: 67:[92, 8], Operations: ['32+46=78', '78-70=8'] Exploring Operation: 92-8=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 92*8=736, Resulting Numbers: [736] 736,67 unequal: No Solution Exploring Operation: 92+8=100, Resulting Numbers: [100] 100,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[92, 148], Operations: ['32+46=78', '70+78=148'] Exploring Operation: 92+148=240, Resulting Numbers: [240] 240,67 unequal: No Solution Exploring Operation: 148-92=56, Resulting Numbers: [56] 56,67 unequal: No Solution Exploring Operation: 92*148=13616, Resulting Numbers: [13616] 13616,67 unequal: No Solution Moving to Node #0,2,3 Current State: 67:[78, 162], Operations: ['32+46=78', '70+92=162'] Exploring Operation: 78*162=12636, Resulting Numbers: [12636] 12636,67 unequal: No Solution Exploring Operation: 78+162=240, Resulting Numbers: [240] 240,67 unequal: No Solution Exploring Operation: 162-78=84, Resulting Numbers: [84] 84,67 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 Current State: 67:[70, 32, 46], Operations: ['92-46=46'] Exploring Operation: 70+32=102, Resulting Numbers: [46, 102] Generated Node #0,0,0: 67:[46, 102] Operation: 70+32=102 Exploring Operation: 46-32=14, Resulting Numbers: [70, 14] Generated Node #0,0,1: 67:[70, 14] Operation: 46-32=14 Exploring Operation: 32+46=78, Resulting Numbers: [70, 78] Generated Node #0,0,2: 67:[70, 78] Operation: 32+46=78 Exploring Operation: 70-46=24, Resulting Numbers: [32, 24] Generated Node #0,0,3: 67:[32, 24] Operation: 70-46=24 Exploring Operation: 70-32=38, Resulting Numbers: [46, 38] Generated Node #0,0,4: 67:[46, 38] Operation: 70-32=38 Moving to Node #0,0,2 Current State: 67:[70, 78], Operations: ['92-46=46', '32+46=78'] Exploring Operation: 70*78=5460, Resulting Numbers: [5460] 5460,67 unequal: No Solution Exploring Operation: 78-70=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 70+78=148, Resulting Numbers: [148] 148,67 unequal: No Solution Moving to Node #0,0,4 Current State: 67:[46, 38], Operations: ['92-46=46', '70-32=38'] Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 46+38=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 46*38=1748, Resulting Numbers: [1748] 1748,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[46, 102], Operations: ['92-46=46', '70+32=102'] Exploring Operation: 102-46=56, Resulting Numbers: [56] 56,67 unequal: No Solution Exploring Operation: 46*102=4692, Resulting Numbers: [4692] 4692,67 unequal: No Solution Exploring Operation: 46+102=148, Resulting Numbers: [148] 148,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[70, 14], Operations: ['92-46=46', '46-32=14'] Exploring Operation: 70*14=980, Resulting Numbers: [980] 980,67 unequal: No Solution Exploring Operation: 70+14=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 70/14=5, Resulting Numbers: [5] 5,67 unequal: No Solution Exploring Operation: 70-14=56, Resulting Numbers: [56] 56,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[32, 24], Operations: ['92-46=46', '70-46=24'] Exploring Operation: 32+24=56, Resulting Numbers: [56] 56,67 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 32*24=768, Resulting Numbers: [768] 768,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 67:[92, 46, 38], Operations: ['70-32=38'] Exploring Operation: 92+38=130, Resulting Numbers: [46, 130] Generated Node #0,4,0: 67:[46, 130] Operation: 92+38=130 Exploring Operation: 92-38=54, Resulting Numbers: [46, 54] Generated Node #0,4,1: 67:[46, 54] Operation: 92-38=54 Exploring Operation: 46-38=8, Resulting Numbers: [92, 8] Generated Node #0,4,2: 67:[92, 8] Operation: 46-38=8 Exploring Operation: 46+38=84, Resulting Numbers: [92, 84] Generated Node #0,4,3: 67:[92, 84] Operation: 46+38=84 Exploring Operation: 92-46=46, Resulting Numbers: [38, 46] Generated Node #0,4,4: 67:[38, 46] Operation: 92-46=46 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 67:[46, 54], Operations: ['70-32=38', '92-38=54'] Exploring Operation: 46+54=100, Resulting Numbers: [100] 100,67 unequal: No Solution Exploring Operation: 54-46=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 46*54=2484, Resulting Numbers: [2484] 2484,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 67:[92, 84], Operations: ['70-32=38', '46+38=84'] Exploring Operation: 92-84=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 92*84=7728, Resulting Numbers: [7728] 7728,67 unequal: No Solution Exploring Operation: 92+84=176, Resulting Numbers: [176] 176,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 67:[38, 46], Operations: ['70-32=38', '92-46=46'] Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 38*46=1748, Resulting Numbers: [1748] 1748,67 unequal: No Solution Exploring Operation: 38+46=84, Resulting Numbers: [84] 84,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 67:[46, 130], Operations: ['70-32=38', '92+38=130'] Exploring Operation: 46*130=5980, Resulting Numbers: [5980] 5980,67 unequal: No Solution Exploring Operation: 46+130=176, Resulting Numbers: [176] 176,67 unequal: No Solution Exploring Operation: 130-46=84, Resulting Numbers: [84] 84,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 67:[92, 8], Operations: ['70-32=38', '46-38=8'] Exploring Operation: 92*8=736, Resulting Numbers: [736] 736,67 unequal: No Solution Exploring Operation: 92+8=100, Resulting Numbers: [100] 100,67 unequal: No Solution Exploring Operation: 92-8=84, Resulting Numbers: [84] 84,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 67:[92, 46, 102], Operations: ['70+32=102'] Exploring Operation: 92/46=2, Resulting Numbers: [102, 2] Generated Node #0,3,0: 67:[102, 2] Operation: 92/46=2 Exploring Operation: 92-46=46, Resulting Numbers: [102, 46] Generated Node #0,3,1: 67:[102, 46] Operation: 92-46=46 Exploring Operation: 92+46=138, Resulting Numbers: [102, 138] Generated Node #0,3,2: 67:[102, 138] Operation: 92+46=138 Exploring Operation: 102-92=10, Resulting Numbers: [46, 10] Generated Node #0,3,3: 67:[46, 10] Operation: 102-92=10 Exploring Operation: 102-46=56, Resulting Numbers: [92, 56] Generated Node #0,3,4: 67:[92, 56] Operation: 102-46=56 Moving to Node #0,3,4 Current State: 67:[92, 56], Operations: ['70+32=102', '102-46=56'] Exploring Operation: 92-56=36, Resulting Numbers: [36] 36,67 unequal: No Solution Exploring Operation: 92+56=148, Resulting Numbers: [148] 148,67 unequal: No Solution Exploring Operation: 92*56=5152, Resulting Numbers: [5152] 5152,67 unequal: No Solution Moving to Node #0,3,1 Current State: 67:[102, 46], Operations: ['70+32=102', '92-46=46'] Exploring Operation: 102*46=4692, Resulting Numbers: [4692] 4692,67 unequal: No Solution Exploring Operation: 102-46=56, Resulting Numbers: [56] 56,67 unequal: No Solution Exploring Operation: 102+46=148, Resulting Numbers: [148] 148,67 unequal: No Solution Moving to Node #0,3,3 Current State: 67:[46, 10], Operations: ['70+32=102', '102-92=10'] Exploring Operation: 46*10=460, Resulting Numbers: [460] 460,67 unequal: No Solution Exploring Operation: 46+10=56, Resulting Numbers: [56] 56,67 unequal: No Solution Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,67 unequal: No Solution Moving to Node #0,3,0 Current State: 67:[102, 2], Operations: ['70+32=102', '92/46=2'] Exploring Operation: 102*2=204, Resulting Numbers: [204] 204,67 unequal: No Solution Exploring Operation: 102/2=51, Resulting Numbers: [51] 51,67 unequal: No Solution Exploring Operation: 102+2=104, Resulting Numbers: [104] 104,67 unequal: No Solution Exploring Operation: 102-2=100, Resulting Numbers: [100] 100,67 unequal: No Solution Moving to Node #0,3,2 Current State: 67:[102, 138], Operations: ['70+32=102', '92+46=138'] Exploring Operation: 138-102=36, Resulting Numbers: [36] 36,67 unequal: No Solution Exploring Operation: 102*138=14076, Resulting Numbers: [14076] 14076,67 unequal: No Solution Exploring Operation: 102+138=240, Resulting Numbers: [240] 240,67 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
[ 58, 48, 88, 4 ]
94
[ "58-48=10", "88-4=84", "10+84=94" ]
Current State: 94:[58, 48, 88, 4], Operations: [] Exploring Operation: 58-48=10, Resulting Numbers: [88, 4, 10] Generated Node #2: [88, 4, 10] from Operation: 58-48=10 Current State: 94:[88, 4, 10], Operations: ['58-48=10'] Exploring Operation: 88-4=84, Resulting Numbers: [10, 84] Generated Node #3: [10, 84] from Operation: 88-4=84 Current State: 94:[10, 84], Operations: ['58-48=10', '88-4=84'] Exploring Operation: 10+84=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[58, 48, 88, 4], Operations: [] Exploring Operation: 58-4=54, Resulting Numbers: [48, 88, 54] Generated Node #0,0: 94:[48, 88, 54] Operation: 58-4=54 Exploring Operation: 88+4=92, Resulting Numbers: [58, 48, 92] Generated Node #0,1: 94:[58, 48, 92] Operation: 88+4=92 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[48, 88, 54], Operations: ['58-4=54'] Exploring Operation: 88-48=40, Resulting Numbers: [54, 40] Generated Node #0,0,0: 94:[54, 40] Operation: 88-48=40 Exploring Operation: 54-48=6, Resulting Numbers: [88, 6] Generated Node #0,0,1: 94:[88, 6] Operation: 54-48=6 Moving to Node #0,0,1 Current State: 94:[88, 6], Operations: ['58-4=54', '54-48=6'] Exploring Operation: 88+6=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[58, 48, 88, 4], Operations: [] Exploring Operation: 58-4=54, Resulting Numbers: [48, 88, 54] Generated Node #0,0: 94:[48, 88, 54] Operation: 58-4=54 Moving to Node #0,0 Current State: 94:[48, 88, 54], Operations: ['58-4=54'] Exploring Operation: 54-48=6, Resulting Numbers: [88, 6] Generated Node #0,0,1: 94:[88, 6] Operation: 54-48=6 Moving to Node #0,0,1 Current State: 94:[88, 6], Operations: ['58-4=54', '54-48=6'] Exploring Operation: 88+6=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 4, 25, 51, 54 ]
25
[ "4+51=55", "55-54=1", "25*1=25" ]
Current State: 25:[4, 25, 51, 54], Operations: [] Exploring Operation: 4+51=55, Resulting Numbers: [25, 54, 55] Generated Node #2: [25, 54, 55] from Operation: 4+51=55 Current State: 25:[25, 54, 55], Operations: ['4+51=55'] Exploring Operation: 55-54=1, Resulting Numbers: [25, 1] Generated Node #3: [25, 1] from Operation: 55-54=1 Current State: 25:[25, 1], Operations: ['4+51=55', '55-54=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[4, 25, 51, 54], Operations: [] Exploring Operation: 51-25=26, Resulting Numbers: [4, 54, 26] Generated Node #0,0: 25:[4, 54, 26] Operation: 51-25=26 Exploring Operation: 54-51=3, Resulting Numbers: [4, 25, 3] Generated Node #0,1: 25:[4, 25, 3] Operation: 54-51=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[4, 25, 3], Operations: ['54-51=3'] Exploring Operation: 4-3=1, Resulting Numbers: [25, 1] Generated Node #0,1,0: 25:[25, 1] Operation: 4-3=1 Exploring Operation: 4+3=7, Resulting Numbers: [25, 7] Generated Node #0,1,1: 25:[25, 7] Operation: 4+3=7 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 25:[25, 7], Operations: ['54-51=3', '4+3=7'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 25+7=32, Resulting Numbers: [32] 32,25 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 #0,1,0 Current State: 25:[25, 1], Operations: ['54-51=3', '4-3=1'] Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[4, 25, 51, 54], Operations: [] Exploring Operation: 54-51=3, Resulting Numbers: [4, 25, 3] Generated Node #0,1: 25:[4, 25, 3] Operation: 54-51=3 Moving to Node #0,1 Current State: 25:[4, 25, 3], Operations: ['54-51=3'] Exploring Operation: 4-3=1, Resulting Numbers: [25, 1] Generated Node #0,1,0: 25:[25, 1] Operation: 4-3=1 Moving to Node #0,1,0 Current State: 25:[25, 1], Operations: ['54-51=3', '4-3=1'] Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 52, 84, 66, 74 ]
81
[ "74-52=22", "66/22=3", "84-3=81" ]
Current State: 81:[52, 84, 66, 74], Operations: [] Exploring Operation: 74-52=22, Resulting Numbers: [84, 66, 22] Generated Node #2: [84, 66, 22] from Operation: 74-52=22 Current State: 81:[84, 66, 22], Operations: ['74-52=22'] Exploring Operation: 66/22=3, Resulting Numbers: [84, 3] Generated Node #3: [84, 3] from Operation: 66/22=3 Current State: 81:[84, 3], Operations: ['74-52=22', '66/22=3'] Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[52, 84, 66, 74], Operations: [] Exploring Operation: 66-52=14, Resulting Numbers: [84, 74, 14] Generated Node #0,0: 81:[84, 74, 14] Operation: 66-52=14 Exploring Operation: 74-52=22, Resulting Numbers: [84, 66, 22] Generated Node #0,1: 81:[84, 66, 22] Operation: 74-52=22 Moving to Node #0,0 Current State: 81:[84, 74, 14], Operations: ['66-52=14'] Exploring Operation: 84-74=10, Resulting Numbers: [14, 10] Generated Node #0,0,0: 81:[14, 10] Operation: 84-74=10 Exploring Operation: 84/14=6, Resulting Numbers: [74, 6] Generated Node #0,0,1: 81:[74, 6] Operation: 84/14=6 Moving to Node #0,1 Current State: 81:[84, 66, 22], Operations: ['74-52=22'] Exploring Operation: 66/22=3, Resulting Numbers: [84, 3] Generated Node #0,1,0: 81:[84, 3] Operation: 66/22=3 Exploring Operation: 66+22=88, Resulting Numbers: [84, 88] Generated Node #0,1,1: 81:[84, 88] Operation: 66+22=88 Moving to Node #0,1,0 Current State: 81:[84, 3], Operations: ['74-52=22', '66/22=3'] Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[52, 84, 66, 74], Operations: [] Exploring Operation: 74-52=22, Resulting Numbers: [84, 66, 22] Generated Node #0,1: 81:[84, 66, 22] Operation: 74-52=22 Moving to Node #0,1 Current State: 81:[84, 66, 22], Operations: ['74-52=22'] Exploring Operation: 66/22=3, Resulting Numbers: [84, 3] Generated Node #0,1,0: 81:[84, 3] Operation: 66/22=3 Moving to Node #0,1,0 Current State: 81:[84, 3], Operations: ['74-52=22', '66/22=3'] Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.989583
hs_2
sum_heuristic
[ 92, 4, 58, 48 ]
46
[ "92-58=34", "48/4=12", "34+12=46" ]
Current State: 46:[92, 4, 58, 48], Operations: [] Exploring Operation: 92-58=34, Resulting Numbers: [4, 48, 34] Generated Node #2: [4, 48, 34] from Operation: 92-58=34 Current State: 46:[4, 48, 34], Operations: ['92-58=34'] Exploring Operation: 48/4=12, Resulting Numbers: [34, 12] Generated Node #3: [34, 12] from Operation: 48/4=12 Current State: 46:[34, 12], Operations: ['92-58=34', '48/4=12'] Exploring Operation: 34+12=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[92, 4, 58, 48], Operations: [] Exploring Operation: 92-58=34, Resulting Numbers: [4, 48, 34] Generated Node #0,0: 46:[4, 48, 34] Operation: 92-58=34 Exploring Operation: 58-4=54, Resulting Numbers: [92, 48, 54] Generated Node #0,1: 46:[92, 48, 54] Operation: 58-4=54 Exploring Operation: 92-4=88, Resulting Numbers: [58, 48, 88] Generated Node #0,2: 46:[58, 48, 88] Operation: 92-4=88 Exploring Operation: 92/4=23, Resulting Numbers: [58, 48, 23] Generated Node #0,3: 46:[58, 48, 23] Operation: 92/4=23 Exploring Operation: 92-48=44, Resulting Numbers: [4, 58, 44] Generated Node #0,4: 46:[4, 58, 44] Operation: 92-48=44 Start Sub Search at level 1: Moving to Node #0,3 Current State: 46:[58, 48, 23], Operations: ['92/4=23'] Exploring Operation: 58-23=35, Resulting Numbers: [48, 35] Generated Node #0,3,0: 46:[48, 35] Operation: 58-23=35 Exploring Operation: 48-23=25, Resulting Numbers: [58, 25] Generated Node #0,3,1: 46:[58, 25] Operation: 48-23=25 Exploring Operation: 58+23=81, Resulting Numbers: [48, 81] Generated Node #0,3,2: 46:[48, 81] Operation: 58+23=81 Exploring Operation: 58-48=10, Resulting Numbers: [23, 10] Generated Node #0,3,3: 46:[23, 10] Operation: 58-48=10 Exploring Operation: 48+23=71, Resulting Numbers: [58, 71] Generated Node #0,3,4: 46:[58, 71] Operation: 48+23=71 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 46:[23, 10], Operations: ['92/4=23', '58-48=10'] Exploring Operation: 23+10=33, Resulting Numbers: [33] 33,46 unequal: No Solution Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,46 unequal: No Solution Exploring Operation: 23*10=230, Resulting Numbers: [230] 230,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 46:[48, 35], Operations: ['92/4=23', '58-23=35'] Exploring Operation: 48-35=13, Resulting Numbers: [13] 13,46 unequal: No Solution Exploring Operation: 48*35=1680, Resulting Numbers: [1680] 1680,46 unequal: No Solution Exploring Operation: 48+35=83, Resulting Numbers: [83] 83,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 46:[58, 25], Operations: ['92/4=23', '48-23=25'] Exploring Operation: 58+25=83, Resulting Numbers: [83] 83,46 unequal: No Solution Exploring Operation: 58*25=1450, Resulting Numbers: [1450] 1450,46 unequal: No Solution Exploring Operation: 58-25=33, Resulting Numbers: [33] 33,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 46:[48, 81], Operations: ['92/4=23', '58+23=81'] Exploring Operation: 48*81=3888, Resulting Numbers: [3888] 3888,46 unequal: No Solution Exploring Operation: 81-48=33, Resulting Numbers: [33] 33,46 unequal: No Solution Exploring Operation: 48+81=129, Resulting Numbers: [129] 129,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 46:[58, 71], Operations: ['92/4=23', '48+23=71'] Exploring Operation: 58+71=129, Resulting Numbers: [129] 129,46 unequal: No Solution Exploring Operation: 58*71=4118, Resulting Numbers: [4118] 4118,46 unequal: No Solution Exploring Operation: 71-58=13, Resulting Numbers: [13] 13,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[4, 48, 34], Operations: ['92-58=34'] Exploring Operation: 48-34=14, Resulting Numbers: [4, 14] Generated Node #0,0,0: 46:[4, 14] Operation: 48-34=14 Exploring Operation: 4+34=38, Resulting Numbers: [48, 38] Generated Node #0,0,1: 46:[48, 38] Operation: 4+34=38 Exploring Operation: 4+48=52, Resulting Numbers: [34, 52] Generated Node #0,0,2: 46:[34, 52] Operation: 4+48=52 Exploring Operation: 34-4=30, Resulting Numbers: [48, 30] Generated Node #0,0,3: 46:[48, 30] Operation: 34-4=30 Exploring Operation: 48-4=44, Resulting Numbers: [34, 44] Generated Node #0,0,4: 46:[34, 44] Operation: 48-4=44 Moving to Node #0,0,3 Current State: 46:[48, 30], Operations: ['92-58=34', '34-4=30'] Exploring Operation: 48*30=1440, Resulting Numbers: [1440] 1440,46 unequal: No Solution Exploring Operation: 48+30=78, Resulting Numbers: [78] 78,46 unequal: No Solution Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[48, 38], Operations: ['92-58=34', '4+34=38'] Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 48*38=1824, Resulting Numbers: [1824] 1824,46 unequal: No Solution Exploring Operation: 48+38=86, Resulting Numbers: [86] 86,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[4, 14], Operations: ['92-58=34', '48-34=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,46 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,46 unequal: No Solution Moving to Node #0,0,4 Current State: 46:[34, 44], Operations: ['92-58=34', '48-4=44'] Exploring Operation: 34+44=78, Resulting Numbers: [78] 78,46 unequal: No Solution Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 34*44=1496, Resulting Numbers: [1496] 1496,46 unequal: No Solution Moving to Node #0,0,2 Current State: 46:[34, 52], Operations: ['92-58=34', '4+48=52'] Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 34*52=1768, Resulting Numbers: [1768] 1768,46 unequal: No Solution Exploring Operation: 34+52=86, Resulting Numbers: [86] 86,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 46:[4, 58, 44], Operations: ['92-48=44'] Exploring Operation: 58-44=14, Resulting Numbers: [4, 14] Generated Node #0,4,0: 46:[4, 14] Operation: 58-44=14 Exploring Operation: 4+58=62, Resulting Numbers: [44, 62] Generated Node #0,4,1: 46:[44, 62] Operation: 4+58=62 Exploring Operation: 58-4=54, Resulting Numbers: [44, 54] Generated Node #0,4,2: 46:[44, 54] Operation: 58-4=54 Exploring Operation: 4+44=48, Resulting Numbers: [58, 48] Generated Node #0,4,3: 46:[58, 48] Operation: 4+44=48 Exploring Operation: 44-4=40, Resulting Numbers: [58, 40] Generated Node #0,4,4: 46:[58, 40] Operation: 44-4=40 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 46:[44, 54], Operations: ['92-48=44', '58-4=54'] Exploring Operation: 44*54=2376, Resulting Numbers: [2376] 2376,46 unequal: No Solution Exploring Operation: 54-44=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 44+54=98, Resulting Numbers: [98] 98,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 46:[4, 14], Operations: ['92-48=44', '58-44=14'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 46:[58, 48], Operations: ['92-48=44', '4+44=48'] Exploring Operation: 58-48=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 58*48=2784, Resulting Numbers: [2784] 2784,46 unequal: No Solution Exploring Operation: 58+48=106, Resulting Numbers: [106] 106,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 46:[44, 62], Operations: ['92-48=44', '4+58=62'] Exploring Operation: 44+62=106, Resulting Numbers: [106] 106,46 unequal: No Solution Exploring Operation: 44*62=2728, Resulting Numbers: [2728] 2728,46 unequal: No Solution Exploring Operation: 62-44=18, Resulting Numbers: [18] 18,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 46:[58, 40], Operations: ['92-48=44', '44-4=40'] Exploring Operation: 58*40=2320, Resulting Numbers: [2320] 2320,46 unequal: No Solution Exploring Operation: 58+40=98, Resulting Numbers: [98] 98,46 unequal: No Solution Exploring Operation: 58-40=18, Resulting Numbers: [18] 18,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[92, 48, 54], Operations: ['58-4=54'] Exploring Operation: 92+48=140, Resulting Numbers: [54, 140] Generated Node #0,1,0: 46:[54, 140] Operation: 92+48=140 Exploring Operation: 92-48=44, Resulting Numbers: [54, 44] Generated Node #0,1,1: 46:[54, 44] Operation: 92-48=44 Exploring Operation: 54-48=6, Resulting Numbers: [92, 6] Generated Node #0,1,2: 46:[92, 6] Operation: 54-48=6 Exploring Operation: 92-54=38, Resulting Numbers: [48, 38] Generated Node #0,1,3: 46:[48, 38] Operation: 92-54=38 Exploring Operation: 92+54=146, Resulting Numbers: [48, 146] Generated Node #0,1,4: 46:[48, 146] Operation: 92+54=146 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 46:[54, 44], Operations: ['58-4=54', '92-48=44'] Exploring Operation: 54*44=2376, Resulting Numbers: [2376] 2376,46 unequal: No Solution Exploring Operation: 54-44=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 54+44=98, Resulting Numbers: [98] 98,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 46:[48, 38], Operations: ['58-4=54', '92-54=38'] Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 48*38=1824, Resulting Numbers: [1824] 1824,46 unequal: No Solution Exploring Operation: 48+38=86, Resulting Numbers: [86] 86,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 46:[92, 6], Operations: ['58-4=54', '54-48=6'] Exploring Operation: 92*6=552, Resulting Numbers: [552] 552,46 unequal: No Solution Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,46 unequal: No Solution Exploring Operation: 92-6=86, Resulting Numbers: [86] 86,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 46:[54, 140], Operations: ['58-4=54', '92+48=140'] Exploring Operation: 54*140=7560, Resulting Numbers: [7560] 7560,46 unequal: No Solution Exploring Operation: 140-54=86, Resulting Numbers: [86] 86,46 unequal: No Solution Exploring Operation: 54+140=194, Resulting Numbers: [194] 194,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 46:[48, 146], Operations: ['58-4=54', '92+54=146'] Exploring Operation: 48*146=7008, Resulting Numbers: [7008] 7008,46 unequal: No Solution Exploring Operation: 48+146=194, Resulting Numbers: [194] 194,46 unequal: No Solution Exploring Operation: 146-48=98, Resulting Numbers: [98] 98,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[58, 48, 88], Operations: ['92-4=88'] Exploring Operation: 88-48=40, Resulting Numbers: [58, 40] Generated Node #0,2,0: 46:[58, 40] Operation: 88-48=40 Exploring Operation: 58+48=106, Resulting Numbers: [88, 106] Generated Node #0,2,1: 46:[88, 106] Operation: 58+48=106 Exploring Operation: 58+88=146, Resulting Numbers: [48, 146] Generated Node #0,2,2: 46:[48, 146] Operation: 58+88=146 Exploring Operation: 88-58=30, Resulting Numbers: [48, 30] Generated Node #0,2,3: 46:[48, 30] Operation: 88-58=30 Exploring Operation: 58-48=10, Resulting Numbers: [88, 10] Generated Node #0,2,4: 46:[88, 10] Operation: 58-48=10 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 46:[48, 30], Operations: ['92-4=88', '88-58=30'] Exploring Operation: 48*30=1440, Resulting Numbers: [1440] 1440,46 unequal: No Solution Exploring Operation: 48+30=78, Resulting Numbers: [78] 78,46 unequal: No Solution Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 46:[58, 40], Operations: ['92-4=88', '88-48=40'] Exploring Operation: 58+40=98, Resulting Numbers: [98] 98,46 unequal: No Solution Exploring Operation: 58*40=2320, Resulting Numbers: [2320] 2320,46 unequal: No Solution Exploring Operation: 58-40=18, Resulting Numbers: [18] 18,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 46:[88, 10], Operations: ['92-4=88', '58-48=10'] Exploring Operation: 88*10=880, Resulting Numbers: [880] 880,46 unequal: No Solution Exploring Operation: 88+10=98, Resulting Numbers: [98] 98,46 unequal: No Solution Exploring Operation: 88-10=78, Resulting Numbers: [78] 78,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 46:[88, 106], Operations: ['92-4=88', '58+48=106'] Exploring Operation: 88+106=194, Resulting Numbers: [194] 194,46 unequal: No Solution Exploring Operation: 88*106=9328, Resulting Numbers: [9328] 9328,46 unequal: No Solution Exploring Operation: 106-88=18, Resulting Numbers: [18] 18,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 46:[48, 146], Operations: ['92-4=88', '58+88=146'] Exploring Operation: 48+146=194, Resulting Numbers: [194] 194,46 unequal: No Solution Exploring Operation: 146-48=98, Resulting Numbers: [98] 98,46 unequal: No Solution Exploring Operation: 48*146=7008, Resulting Numbers: [7008] 7008,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 85, 96, 23, 39 ]
48
[ "85-39=46", "96*23=2208", "2208/46=48" ]
Current State: 48:[85, 96, 23, 39], Operations: [] Exploring Operation: 85-39=46, Resulting Numbers: [96, 23, 46] Generated Node #2: [96, 23, 46] from Operation: 85-39=46 Current State: 48:[96, 23, 46], Operations: ['85-39=46'] Exploring Operation: 96*23=2208, Resulting Numbers: [46, 2208] Generated Node #3: [46, 2208] from Operation: 96*23=2208 Current State: 48:[46, 2208], Operations: ['85-39=46', '96*23=2208'] Exploring Operation: 2208/46=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[85, 96, 23, 39], Operations: [] Exploring Operation: 96-85=11, Resulting Numbers: [23, 39, 11] Generated Node #0,0: 48:[23, 39, 11] Operation: 96-85=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[23, 39, 11], Operations: ['96-85=11'] Exploring Operation: 39-23=16, Resulting Numbers: [11, 16] Generated Node #0,0,0: 48:[11, 16] Operation: 39-23=16 Moving to Node #0,0,0 Current State: 48:[11, 16], Operations: ['96-85=11', '39-23=16'] Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,48 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
[ 64, 7, 31, 73 ]
94
[ "73-64=9", "7*9=63", "31+63=94" ]
Current State: 94:[64, 7, 31, 73], Operations: [] Exploring Operation: 73-64=9, Resulting Numbers: [7, 31, 9] Generated Node #2: [7, 31, 9] from Operation: 73-64=9 Current State: 94:[7, 31, 9], Operations: ['73-64=9'] Exploring Operation: 7*9=63, Resulting Numbers: [31, 63] Generated Node #3: [31, 63] from Operation: 7*9=63 Current State: 94:[31, 63], Operations: ['73-64=9', '7*9=63'] Exploring Operation: 31+63=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[64, 7, 31, 73], Operations: [] Exploring Operation: 64+31=95, Resulting Numbers: [7, 73, 95] Generated Node #0,0: 94:[7, 73, 95] Operation: 64+31=95 Moving to Node #0,0 Current State: 94:[7, 73, 95], Operations: ['64+31=95'] Exploring Operation: 7+73=80, Resulting Numbers: [95, 80] Generated Node #0,0,0: 94:[95, 80] Operation: 7+73=80 Moving to Node #0,0,0 Current State: 94:[95, 80], Operations: ['64+31=95', '7+73=80'] Exploring Operation: 95-80=15, Resulting Numbers: [15] 15,94 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 66, 95, 28, 39 ]
96
[ "95-66=29", "28+39=67", "29+67=96" ]
Current State: 96:[66, 95, 28, 39], Operations: [] Exploring Operation: 95-66=29, Resulting Numbers: [28, 39, 29] Generated Node #2: [28, 39, 29] from Operation: 95-66=29 Current State: 96:[28, 39, 29], Operations: ['95-66=29'] Exploring Operation: 28+39=67, Resulting Numbers: [29, 67] Generated Node #3: [29, 67] from Operation: 28+39=67 Current State: 96:[29, 67], Operations: ['95-66=29', '28+39=67'] Exploring Operation: 29+67=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[66, 95, 28, 39], Operations: [] Exploring Operation: 66-39=27, Resulting Numbers: [95, 28, 27] Generated Node #0,0: 96:[95, 28, 27] Operation: 66-39=27 Moving to Node #0,0 Current State: 96:[95, 28, 27], Operations: ['66-39=27'] Exploring Operation: 28-27=1, Resulting Numbers: [95, 1] Generated Node #0,0,0: 96:[95, 1] Operation: 28-27=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[95, 1], Operations: ['66-39=27', '28-27=1'] Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[66, 95, 28, 39], Operations: [] Exploring Operation: 66-39=27, Resulting Numbers: [95, 28, 27] Generated Node #0,0: 96:[95, 28, 27] Operation: 66-39=27 Moving to Node #0,0 Current State: 96:[95, 28, 27], Operations: ['66-39=27'] Exploring Operation: 28-27=1, Resulting Numbers: [95, 1] Generated Node #0,0,0: 96:[95, 1] Operation: 28-27=1 Moving to Node #0,0,0 Current State: 96:[95, 1], Operations: ['66-39=27', '28-27=1'] Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 85, 37, 53, 3 ]
91
[ "85-37=48", "3*48=144", "144-53=91" ]
Current State: 91:[85, 37, 53, 3], Operations: [] Exploring Operation: 85-37=48, Resulting Numbers: [53, 3, 48] Generated Node #2: [53, 3, 48] from Operation: 85-37=48 Current State: 91:[53, 3, 48], Operations: ['85-37=48'] Exploring Operation: 3*48=144, Resulting Numbers: [53, 144] Generated Node #3: [53, 144] from Operation: 3*48=144 Current State: 91:[53, 144], Operations: ['85-37=48', '3*48=144'] Exploring Operation: 144-53=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[85, 37, 53, 3], Operations: [] Exploring Operation: 53-37=16, Resulting Numbers: [85, 3, 16] Generated Node #0,0: 91:[85, 3, 16] Operation: 53-37=16 Exploring Operation: 37+53=90, Resulting Numbers: [85, 3, 90] Generated Node #0,1: 91:[85, 3, 90] Operation: 37+53=90 Exploring Operation: 37*3=111, Resulting Numbers: [85, 53, 111] Generated Node #0,2: 91:[85, 53, 111] Operation: 37*3=111 Exploring Operation: 85-53=32, Resulting Numbers: [37, 3, 32] Generated Node #0,3: 91:[37, 3, 32] Operation: 85-53=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[85, 3, 90], Operations: ['37+53=90'] Exploring Operation: 85-3=82, Resulting Numbers: [90, 82] Generated Node #0,1,0: 91:[90, 82] Operation: 85-3=82 Exploring Operation: 3+90=93, Resulting Numbers: [85, 93] Generated Node #0,1,1: 91:[85, 93] Operation: 3+90=93 Exploring Operation: 90-85=5, Resulting Numbers: [3, 5] Generated Node #0,1,2: 91:[3, 5] Operation: 90-85=5 Exploring Operation: 85+3=88, Resulting Numbers: [90, 88] Generated Node #0,1,3: 91:[90, 88] Operation: 85+3=88 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 91:[90, 88], Operations: ['37+53=90', '85+3=88'] Exploring Operation: 90+88=178, Resulting Numbers: [178] 178,91 unequal: No Solution Exploring Operation: 90*88=7920, Resulting Numbers: [7920] 7920,91 unequal: No Solution Exploring Operation: 90-88=2, Resulting Numbers: [2] 2,91 unequal: No Solution No 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: 91:[3, 5], Operations: ['37+53=90', '90-85=5'] Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,91 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,91 unequal: No Solution No 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: 91:[85, 93], Operations: ['37+53=90', '3+90=93'] Exploring Operation: 85*93=7905, Resulting Numbers: [7905] 7905,91 unequal: No Solution Exploring Operation: 85+93=178, Resulting Numbers: [178] 178,91 unequal: No Solution Exploring Operation: 93-85=8, Resulting Numbers: [8] 8,91 unequal: No Solution No 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: 91:[90, 82], Operations: ['37+53=90', '85-3=82'] Exploring Operation: 90+82=172, Resulting Numbers: [172] 172,91 unequal: No Solution Exploring Operation: 90*82=7380, Resulting Numbers: [7380] 7380,91 unequal: No Solution Exploring Operation: 90-82=8, Resulting Numbers: [8] 8,91 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: 91:[85, 3, 16], Operations: ['53-37=16'] Exploring Operation: 85-3=82, Resulting Numbers: [16, 82] Generated Node #0,0,0: 91:[16, 82] Operation: 85-3=82 Exploring Operation: 85+3=88, Resulting Numbers: [16, 88] Generated Node #0,0,1: 91:[16, 88] Operation: 85+3=88 Exploring Operation: 3+16=19, Resulting Numbers: [85, 19] Generated Node #0,0,2: 91:[85, 19] Operation: 3+16=19 Exploring Operation: 16-3=13, Resulting Numbers: [85, 13] Generated Node #0,0,3: 91:[85, 13] Operation: 16-3=13 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 91:[16, 88], Operations: ['53-37=16', '85+3=88'] Exploring Operation: 16*88=1408, Resulting Numbers: [1408] 1408,91 unequal: No Solution Exploring Operation: 16+88=104, Resulting Numbers: [104] 104,91 unequal: No Solution Exploring Operation: 88-16=72, Resulting Numbers: [72] 72,91 unequal: No Solution No 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: 91:[85, 13], Operations: ['53-37=16', '16-3=13'] Exploring Operation: 85-13=72, Resulting Numbers: [72] 72,91 unequal: No Solution Exploring Operation: 85+13=98, Resulting Numbers: [98] 98,91 unequal: No Solution Exploring Operation: 85*13=1105, Resulting Numbers: [1105] 1105,91 unequal: No Solution No 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: 91:[16, 82], Operations: ['53-37=16', '85-3=82'] Exploring Operation: 82-16=66, Resulting Numbers: [66] 66,91 unequal: No Solution Exploring Operation: 16+82=98, Resulting Numbers: [98] 98,91 unequal: No Solution Exploring Operation: 16*82=1312, Resulting Numbers: [1312] 1312,91 unequal: No Solution No 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: 91:[85, 19], Operations: ['53-37=16', '3+16=19'] Exploring Operation: 85+19=104, Resulting Numbers: [104] 104,91 unequal: No Solution Exploring Operation: 85-19=66, Resulting Numbers: [66] 66,91 unequal: No Solution Exploring Operation: 85*19=1615, Resulting Numbers: [1615] 1615,91 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: 91:[37, 3, 32], Operations: ['85-53=32'] Exploring Operation: 37-32=5, Resulting Numbers: [3, 5] Generated Node #0,3,0: 91:[3, 5] Operation: 37-32=5 Exploring Operation: 3*32=96, Resulting Numbers: [37, 96] Generated Node #0,3,1: 91:[37, 96] Operation: 3*32=96 Exploring Operation: 37*3=111, Resulting Numbers: [32, 111] Generated Node #0,3,2: 91:[32, 111] Operation: 37*3=111 Exploring Operation: 37+32=69, Resulting Numbers: [3, 69] Generated Node #0,3,3: 91:[3, 69] Operation: 37+32=69 Moving to Node #0,3,0 Current State: 91:[3, 5], Operations: ['85-53=32', '37-32=5'] Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,91 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,91 unequal: No Solution Moving to Node #0,3,3 Current State: 91:[3, 69], Operations: ['85-53=32', '37+32=69'] Exploring Operation: 3+69=72, Resulting Numbers: [72] 72,91 unequal: No Solution Exploring Operation: 3*69=207, Resulting Numbers: [207] 207,91 unequal: No Solution Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,91 unequal: No Solution Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,91 unequal: No Solution Moving to Node #0,3,1 Current State: 91:[37, 96], Operations: ['85-53=32', '3*32=96'] Exploring Operation: 96-37=59, Resulting Numbers: [59] 59,91 unequal: No Solution Exploring Operation: 37+96=133, Resulting Numbers: [133] 133,91 unequal: No Solution Exploring Operation: 37*96=3552, Resulting Numbers: [3552] 3552,91 unequal: No Solution Moving to Node #0,3,2 Current State: 91:[32, 111], Operations: ['85-53=32', '37*3=111'] Exploring Operation: 32*111=3552, Resulting Numbers: [3552] 3552,91 unequal: No Solution Exploring Operation: 32+111=143, Resulting Numbers: [143] 143,91 unequal: No Solution Exploring Operation: 111-32=79, Resulting Numbers: [79] 79,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[85, 53, 111], Operations: ['37*3=111'] Exploring Operation: 111-53=58, Resulting Numbers: [85, 58] Generated Node #0,2,0: 91:[85, 58] Operation: 111-53=58 Exploring Operation: 85+53=138, Resulting Numbers: [111, 138] Generated Node #0,2,1: 91:[111, 138] Operation: 85+53=138 Exploring Operation: 85-53=32, Resulting Numbers: [111, 32] Generated Node #0,2,2: 91:[111, 32] Operation: 85-53=32 Exploring Operation: 111-85=26, Resulting Numbers: [53, 26] Generated Node #0,2,3: 91:[53, 26] Operation: 111-85=26 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 91:[85, 58], Operations: ['37*3=111', '111-53=58'] Exploring Operation: 85*58=4930, Resulting Numbers: [4930] 4930,91 unequal: No Solution Exploring Operation: 85-58=27, Resulting Numbers: [27] 27,91 unequal: No Solution Exploring Operation: 85+58=143, Resulting Numbers: [143] 143,91 unequal: No Solution No 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: 91:[111, 32], Operations: ['37*3=111', '85-53=32'] Exploring Operation: 111-32=79, Resulting Numbers: [79] 79,91 unequal: No Solution Exploring Operation: 111+32=143, Resulting Numbers: [143] 143,91 unequal: No Solution Exploring Operation: 111*32=3552, Resulting Numbers: [3552] 3552,91 unequal: No Solution No 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: 91:[53, 26], Operations: ['37*3=111', '111-85=26'] Exploring Operation: 53*26=1378, Resulting Numbers: [1378] 1378,91 unequal: No Solution Exploring Operation: 53-26=27, Resulting Numbers: [27] 27,91 unequal: No Solution Exploring Operation: 53+26=79, Resulting Numbers: [79] 79,91 unequal: No Solution No 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: 91:[111, 138], Operations: ['37*3=111', '85+53=138'] Exploring Operation: 111+138=249, Resulting Numbers: [249] 249,91 unequal: No Solution Exploring Operation: 138-111=27, Resulting Numbers: [27] 27,91 unequal: No Solution Exploring Operation: 111*138=15318, Resulting Numbers: [15318] 15318,91 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
[ 16, 8, 13, 16 ]
17
[ "16+16=32", "32/8=4", "13+4=17" ]
Current State: 17:[16, 8, 13, 16], Operations: [] Exploring Operation: 16+16=32, Resulting Numbers: [8, 13, 32] Generated Node #2: [8, 13, 32] from Operation: 16+16=32 Current State: 17:[8, 13, 32], Operations: ['16+16=32'] Exploring Operation: 32/8=4, Resulting Numbers: [13, 4] Generated Node #3: [13, 4] from Operation: 32/8=4 Current State: 17:[13, 4], Operations: ['16+16=32', '32/8=4'] Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[16, 8, 13, 16], Operations: [] Exploring Operation: 8+16=24, Resulting Numbers: [16, 13, 24] Generated Node #0,0: 17:[16, 13, 24] Operation: 8+16=24 Exploring Operation: 8+13=21, Resulting Numbers: [16, 16, 21] Generated Node #0,1: 17:[16, 16, 21] Operation: 8+13=21 Exploring Operation: 16+8=24, Resulting Numbers: [13, 16, 24] Generated Node #0,2: 17:[13, 16, 24] Operation: 16+8=24 Moving to Node #0,1 Current State: 17:[16, 16, 21], Operations: ['8+13=21'] Exploring Operation: 21-16=5, Resulting Numbers: [16, 5] Generated Node #0,1,0: 17:[16, 5] Operation: 21-16=5 Exploring Operation: 21-16=5, Resulting Numbers: [16, 5] Generated Node #0,1,1: 17:[16, 5] Operation: 21-16=5 Exploring Operation: 16+16=32, Resulting Numbers: [21, 32] Generated Node #0,1,2: 17:[21, 32] Operation: 16+16=32 Moving to Node #0,0 Current State: 17:[16, 13, 24], Operations: ['8+16=24'] Exploring Operation: 16+13=29, Resulting Numbers: [24, 29] Generated Node #0,0,0: 17:[24, 29] Operation: 16+13=29 Exploring Operation: 24-16=8, Resulting Numbers: [13, 8] Generated Node #0,0,1: 17:[13, 8] Operation: 24-16=8 Exploring Operation: 24-13=11, Resulting Numbers: [16, 11] Generated Node #0,0,2: 17:[16, 11] Operation: 24-13=11 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 17:[16, 11], Operations: ['8+16=24', '24-13=11'] Exploring Operation: 16*11=176, Resulting Numbers: [176] 176,17 unequal: No Solution Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,17 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[13, 8], Operations: ['8+16=24', '24-16=8'] Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,17 unequal: No Solution Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,17 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[24, 29], Operations: ['8+16=24', '16+13=29'] Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,17 unequal: No Solution Exploring Operation: 24+29=53, Resulting Numbers: [53] 53,17 unequal: No Solution Exploring Operation: 24*29=696, Resulting Numbers: [696] 696,17 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: 17:[13, 16, 24], Operations: ['16+8=24'] Exploring Operation: 24-13=11, Resulting Numbers: [16, 11] Generated Node #0,2,0: 17:[16, 11] Operation: 24-13=11 Exploring Operation: 24-16=8, Resulting Numbers: [13, 8] Generated Node #0,2,1: 17:[13, 8] Operation: 24-16=8 Exploring Operation: 13+16=29, Resulting Numbers: [24, 29] Generated Node #0,2,2: 17:[24, 29] Operation: 13+16=29 Moving to Node #0,2,0 Current State: 17:[16, 11], Operations: ['16+8=24', '24-13=11'] Exploring Operation: 16*11=176, Resulting Numbers: [176] 176,17 unequal: No Solution Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,17 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,17 unequal: No Solution Moving to Node #0,1,0 Current State: 17:[16, 5], Operations: ['8+13=21', '21-16=5'] Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,17 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,17 unequal: No Solution Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,17 unequal: No Solution Moving to Node #0,2,1 Current State: 17:[13, 8], Operations: ['16+8=24', '24-16=8'] Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,17 unequal: No Solution Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,17 unequal: No Solution Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[16, 5], Operations: ['8+13=21', '21-16=5'] Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,17 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,17 unequal: No Solution Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,17 unequal: No Solution Moving to Node #0,2,2 Current State: 17:[24, 29], Operations: ['16+8=24', '13+16=29'] Exploring Operation: 24*29=696, Resulting Numbers: [696] 696,17 unequal: No Solution Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,17 unequal: No Solution Exploring Operation: 24+29=53, Resulting Numbers: [53] 53,17 unequal: No Solution Moving to Node #0,1,2 Current State: 17:[21, 32], Operations: ['8+13=21', '16+16=32'] Exploring Operation: 21*32=672, Resulting Numbers: [672] 672,17 unequal: No Solution Exploring Operation: 32-21=11, Resulting Numbers: [11] 11,17 unequal: No Solution Exploring Operation: 21+32=53, Resulting Numbers: [53] 53,17 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 31, 15, 84, 48 ]
52
[ "31-15=16", "84-48=36", "16+36=52" ]
Current State: 52:[31, 15, 84, 48], Operations: [] Exploring Operation: 31-15=16, Resulting Numbers: [84, 48, 16] Generated Node #2: [84, 48, 16] from Operation: 31-15=16 Current State: 52:[84, 48, 16], Operations: ['31-15=16'] Exploring Operation: 84-48=36, Resulting Numbers: [16, 36] Generated Node #3: [16, 36] from Operation: 84-48=36 Current State: 52:[16, 36], Operations: ['31-15=16', '84-48=36'] Exploring Operation: 16+36=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[31, 15, 84, 48], Operations: [] Exploring Operation: 84-31=53, Resulting Numbers: [15, 48, 53] Generated Node #0,0: 52:[15, 48, 53] Operation: 84-31=53 Moving to Node #0,0 Current State: 52:[15, 48, 53], Operations: ['84-31=53'] Exploring Operation: 53-48=5, Resulting Numbers: [15, 5] Generated Node #0,0,0: 52:[15, 5] Operation: 53-48=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[15, 5], Operations: ['84-31=53', '53-48=5'] Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,52 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
[ 8, 59, 27, 25 ]
56
[ "59-27=32", "32-25=7", "8*7=56" ]
Current State: 56:[8, 59, 27, 25], Operations: [] Exploring Operation: 59-27=32, Resulting Numbers: [8, 25, 32] Generated Node #2: [8, 25, 32] from Operation: 59-27=32 Current State: 56:[8, 25, 32], Operations: ['59-27=32'] Exploring Operation: 32-25=7, Resulting Numbers: [8, 7] Generated Node #3: [8, 7] from Operation: 32-25=7 Current State: 56:[8, 7], Operations: ['59-27=32', '32-25=7'] Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[8, 59, 27, 25], Operations: [] Exploring Operation: 27-25=2, Resulting Numbers: [8, 59, 2] Generated Node #0,0: 56:[8, 59, 2] Operation: 27-25=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[8, 59, 2], Operations: ['27-25=2'] Exploring Operation: 59-2=57, Resulting Numbers: [8, 57] Generated Node #0,0,0: 56:[8, 57] Operation: 59-2=57 Moving to Node #0,0,0 Current State: 56:[8, 57], Operations: ['27-25=2', '59-2=57'] Exploring Operation: 57-8=49, Resulting Numbers: [49] 49,56 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
[ 53, 60, 76, 91 ]
98
[ "53+60=113", "91-76=15", "113-15=98" ]
Current State: 98:[53, 60, 76, 91], Operations: [] Exploring Operation: 53+60=113, Resulting Numbers: [76, 91, 113] Generated Node #2: [76, 91, 113] from Operation: 53+60=113 Current State: 98:[76, 91, 113], Operations: ['53+60=113'] Exploring Operation: 91-76=15, Resulting Numbers: [113, 15] Generated Node #3: [113, 15] from Operation: 91-76=15 Current State: 98:[113, 15], Operations: ['53+60=113', '91-76=15'] Exploring Operation: 113-15=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[53, 60, 76, 91], Operations: [] Exploring Operation: 91-76=15, Resulting Numbers: [53, 60, 15] Generated Node #0,0: 98:[53, 60, 15] Operation: 91-76=15 Exploring Operation: 76-60=16, Resulting Numbers: [53, 91, 16] Generated Node #0,1: 98:[53, 91, 16] Operation: 76-60=16 Exploring Operation: 76-53=23, Resulting Numbers: [60, 91, 23] Generated Node #0,2: 98:[60, 91, 23] Operation: 76-53=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[53, 91, 16], Operations: ['76-60=16'] Exploring Operation: 91+16=107, Resulting Numbers: [53, 107] Generated Node #0,1,0: 98:[53, 107] Operation: 91+16=107 Exploring Operation: 53-16=37, Resulting Numbers: [91, 37] Generated Node #0,1,1: 98:[91, 37] Operation: 53-16=37 Exploring Operation: 91-53=38, Resulting Numbers: [16, 38] Generated Node #0,1,2: 98:[16, 38] Operation: 91-53=38 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[53, 107], Operations: ['76-60=16', '91+16=107'] Exploring Operation: 53*107=5671, Resulting Numbers: [5671] 5671,98 unequal: No Solution Exploring Operation: 53+107=160, Resulting Numbers: [160] 160,98 unequal: No Solution Exploring Operation: 107-53=54, Resulting Numbers: [54] 54,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[16, 38], Operations: ['76-60=16', '91-53=38'] Exploring Operation: 16*38=608, Resulting Numbers: [608] 608,98 unequal: No Solution Exploring Operation: 38-16=22, Resulting Numbers: [22] 22,98 unequal: No Solution Exploring Operation: 16+38=54, Resulting Numbers: [54] 54,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[91, 37], Operations: ['76-60=16', '53-16=37'] Exploring Operation: 91-37=54, Resulting Numbers: [54] 54,98 unequal: No Solution Exploring Operation: 91+37=128, Resulting Numbers: [128] 128,98 unequal: No Solution Exploring Operation: 91*37=3367, Resulting Numbers: [3367] 3367,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[53, 60, 15], Operations: ['91-76=15'] Exploring Operation: 60-53=7, Resulting Numbers: [15, 7] Generated Node #0,0,0: 98:[15, 7] Operation: 60-53=7 Exploring Operation: 60-15=45, Resulting Numbers: [53, 45] Generated Node #0,0,1: 98:[53, 45] Operation: 60-15=45 Exploring Operation: 60/15=4, Resulting Numbers: [53, 4] Generated Node #0,0,2: 98:[53, 4] Operation: 60/15=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[15, 7], Operations: ['91-76=15', '60-53=7'] Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 15*7=105, Resulting Numbers: [105] 105,98 unequal: No Solution Exploring Operation: 15+7=22, Resulting Numbers: [22] 22,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 98:[53, 4], Operations: ['91-76=15', '60/15=4'] Exploring Operation: 53+4=57, Resulting Numbers: [57] 57,98 unequal: No Solution Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,98 unequal: No Solution Exploring Operation: 53*4=212, Resulting Numbers: [212] 212,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 98:[53, 45], Operations: ['91-76=15', '60-15=45'] Exploring Operation: 53*45=2385, Resulting Numbers: [2385] 2385,98 unequal: No Solution Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 53+45=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[53, 60, 76, 91], Operations: [] Exploring Operation: 91-76=15, Resulting Numbers: [53, 60, 15] Generated Node #0,0: 98:[53, 60, 15] Operation: 91-76=15 Moving to Node #0,0 Current State: 98:[53, 60, 15], Operations: ['91-76=15'] Exploring Operation: 60-15=45, Resulting Numbers: [53, 45] Generated Node #0,0,1: 98:[53, 45] Operation: 60-15=45 Moving to Node #0,0,1 Current State: 98:[53, 45], Operations: ['91-76=15', '60-15=45'] Exploring Operation: 53+45=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.97309
hs_3
sum_heuristic
[ 60, 1, 71, 86 ]
46
[ "60+1=61", "86-71=15", "61-15=46" ]
Current State: 46:[60, 1, 71, 86], Operations: [] Exploring Operation: 60+1=61, Resulting Numbers: [71, 86, 61] Generated Node #2: [71, 86, 61] from Operation: 60+1=61 Current State: 46:[71, 86, 61], Operations: ['60+1=61'] Exploring Operation: 86-71=15, Resulting Numbers: [61, 15] Generated Node #3: [61, 15] from Operation: 86-71=15 Current State: 46:[61, 15], Operations: ['60+1=61', '86-71=15'] Exploring Operation: 61-15=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[60, 1, 71, 86], Operations: [] Exploring Operation: 86-71=15, Resulting Numbers: [60, 1, 15] Generated Node #0,0: 46:[60, 1, 15] Operation: 86-71=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[60, 1, 15], Operations: ['86-71=15'] Exploring Operation: 60-15=45, Resulting Numbers: [1, 45] Generated Node #0,0,0: 46:[1, 45] Operation: 60-15=45 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 46:[1, 45], Operations: ['86-71=15', '60-15=45'] Exploring Operation: 1+45=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[60, 1, 71, 86], Operations: [] Exploring Operation: 86-71=15, Resulting Numbers: [60, 1, 15] Generated Node #0,0: 46:[60, 1, 15] Operation: 86-71=15 Moving to Node #0,0 Current State: 46:[60, 1, 15], Operations: ['86-71=15'] Exploring Operation: 60-15=45, Resulting Numbers: [1, 45] Generated Node #0,0,0: 46:[1, 45] Operation: 60-15=45 Moving to Node #0,0,0 Current State: 46:[1, 45], Operations: ['86-71=15', '60-15=45'] Exploring Operation: 1+45=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 7, 19, 49, 10 ]
57
[ "49/7=7", "10-7=3", "19*3=57" ]
Current State: 57:[7, 19, 49, 10], Operations: [] Exploring Operation: 49/7=7, Resulting Numbers: [19, 10, 7] Generated Node #2: [19, 10, 7] from Operation: 49/7=7 Current State: 57:[19, 10, 7], Operations: ['49/7=7'] Exploring Operation: 10-7=3, Resulting Numbers: [19, 3] Generated Node #3: [19, 3] from Operation: 10-7=3 Current State: 57:[19, 3], Operations: ['49/7=7', '10-7=3'] Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[7, 19, 49, 10], Operations: [] Exploring Operation: 49+10=59, Resulting Numbers: [7, 19, 59] Generated Node #0,0: 57:[7, 19, 59] Operation: 49+10=59 Exploring Operation: 10-7=3, Resulting Numbers: [19, 49, 3] Generated Node #0,1: 57:[19, 49, 3] Operation: 10-7=3 Exploring Operation: 7+49=56, Resulting Numbers: [19, 10, 56] Generated Node #0,2: 57:[19, 10, 56] Operation: 7+49=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[7, 19, 59], Operations: ['49+10=59'] Exploring Operation: 7+19=26, Resulting Numbers: [59, 26] Generated Node #0,0,0: 57:[59, 26] Operation: 7+19=26 Exploring Operation: 19-7=12, Resulting Numbers: [59, 12] Generated Node #0,0,1: 57:[59, 12] Operation: 19-7=12 Exploring Operation: 59-7=52, Resulting Numbers: [19, 52] Generated Node #0,0,2: 57:[19, 52] Operation: 59-7=52 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 57:[19, 52], Operations: ['49+10=59', '59-7=52'] Exploring Operation: 19*52=988, Resulting Numbers: [988] 988,57 unequal: No Solution Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,57 unequal: No Solution Exploring Operation: 19+52=71, Resulting Numbers: [71] 71,57 unequal: No Solution No 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: 57:[59, 26], Operations: ['49+10=59', '7+19=26'] Exploring Operation: 59+26=85, Resulting Numbers: [85] 85,57 unequal: No Solution Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,57 unequal: No Solution Exploring Operation: 59*26=1534, Resulting Numbers: [1534] 1534,57 unequal: No Solution No 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: 57:[59, 12], Operations: ['49+10=59', '19-7=12'] Exploring Operation: 59-12=47, Resulting Numbers: [47] 47,57 unequal: No Solution Exploring Operation: 59*12=708, Resulting Numbers: [708] 708,57 unequal: No Solution Exploring Operation: 59+12=71, Resulting Numbers: [71] 71,57 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: 57:[19, 49, 3], Operations: ['10-7=3'] Exploring Operation: 49+3=52, Resulting Numbers: [19, 52] Generated Node #0,1,0: 57:[19, 52] Operation: 49+3=52 Exploring Operation: 19+49=68, Resulting Numbers: [3, 68] Generated Node #0,1,1: 57:[3, 68] Operation: 19+49=68 Exploring Operation: 19*3=57, Resulting Numbers: [49, 57] Generated Node #0,1,2: 57:[49, 57] Operation: 19*3=57 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 57:[19, 52], Operations: ['10-7=3', '49+3=52'] Exploring Operation: 19*52=988, Resulting Numbers: [988] 988,57 unequal: No Solution Exploring Operation: 19+52=71, Resulting Numbers: [71] 71,57 unequal: No Solution Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,57 unequal: No Solution No 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: 57:[49, 57], Operations: ['10-7=3', '19*3=57'] Exploring Operation: 49*57=2793, Resulting Numbers: [2793] 2793,57 unequal: No Solution Exploring Operation: 57-49=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 49+57=106, Resulting Numbers: [106] 106,57 unequal: No Solution No 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: 57:[3, 68], Operations: ['10-7=3', '19+49=68'] Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,57 unequal: No Solution Exploring Operation: 3*68=204, Resulting Numbers: [204] 204,57 unequal: No Solution Exploring Operation: 3+68=71, Resulting Numbers: [71] 71,57 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: 57:[19, 10, 56], Operations: ['7+49=56'] Exploring Operation: 19+10=29, Resulting Numbers: [56, 29] Generated Node #0,2,0: 57:[56, 29] Operation: 19+10=29 Exploring Operation: 19-10=9, Resulting Numbers: [56, 9] Generated Node #0,2,1: 57:[56, 9] Operation: 19-10=9 Exploring Operation: 10+56=66, Resulting Numbers: [19, 66] Generated Node #0,2,2: 57:[19, 66] Operation: 10+56=66 Moving to Node #0,2,1 Current State: 57:[56, 9], Operations: ['7+49=56', '19-10=9'] Exploring Operation: 56*9=504, Resulting Numbers: [504] 504,57 unequal: No Solution Exploring Operation: 56+9=65, Resulting Numbers: [65] 65,57 unequal: No Solution Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,57 unequal: No Solution Moving to Node #0,2,2 Current State: 57:[19, 66], Operations: ['7+49=56', '10+56=66'] Exploring Operation: 66-19=47, Resulting Numbers: [47] 47,57 unequal: No Solution Exploring Operation: 19*66=1254, Resulting Numbers: [1254] 1254,57 unequal: No Solution Exploring Operation: 19+66=85, Resulting Numbers: [85] 85,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[56, 29], Operations: ['7+49=56', '19+10=29'] Exploring Operation: 56-29=27, Resulting Numbers: [27] 27,57 unequal: No Solution Exploring Operation: 56+29=85, Resulting Numbers: [85] 85,57 unequal: No Solution Exploring Operation: 56*29=1624, Resulting Numbers: [1624] 1624,57 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
[ 2, 27, 6, 4 ]
13
[ "2*27=54", "54/6=9", "4+9=13" ]
Current State: 13:[2, 27, 6, 4], Operations: [] Exploring Operation: 2*27=54, Resulting Numbers: [6, 4, 54] Generated Node #2: [6, 4, 54] from Operation: 2*27=54 Current State: 13:[6, 4, 54], Operations: ['2*27=54'] Exploring Operation: 54/6=9, Resulting Numbers: [4, 9] Generated Node #3: [4, 9] from Operation: 54/6=9 Current State: 13:[4, 9], Operations: ['2*27=54', '54/6=9'] Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[2, 27, 6, 4], Operations: [] Exploring Operation: 27-2=25, Resulting Numbers: [6, 4, 25] Generated Node #0,0: 13:[6, 4, 25] Operation: 27-2=25 Exploring Operation: 2*6=12, Resulting Numbers: [27, 4, 12] Generated Node #0,1: 13:[27, 4, 12] Operation: 2*6=12 Exploring Operation: 2*4=8, Resulting Numbers: [27, 6, 8] Generated Node #0,2: 13:[27, 6, 8] Operation: 2*4=8 Moving to Node #0,1 Current State: 13:[27, 4, 12], Operations: ['2*6=12'] Exploring Operation: 27-4=23, Resulting Numbers: [12, 23] Generated Node #0,1,0: 13:[12, 23] Operation: 27-4=23 Exploring Operation: 4+12=16, Resulting Numbers: [27, 16] Generated Node #0,1,1: 13:[27, 16] Operation: 4+12=16 Exploring Operation: 27-12=15, Resulting Numbers: [4, 15] Generated Node #0,1,2: 13:[4, 15] Operation: 27-12=15 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[12, 23], Operations: ['2*6=12', '27-4=23'] Exploring Operation: 12*23=276, Resulting Numbers: [276] 276,13 unequal: No Solution Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,13 unequal: No Solution Exploring Operation: 12+23=35, Resulting Numbers: [35] 35,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 13:[4, 15], Operations: ['2*6=12', '27-12=15'] Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,13 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,13 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:[27, 16], Operations: ['2*6=12', '4+12=16'] Exploring Operation: 27*16=432, Resulting Numbers: [432] 432,13 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,13 unequal: No Solution Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,13 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: 13:[27, 6, 8], Operations: ['2*4=8'] Exploring Operation: 6+8=14, Resulting Numbers: [27, 14] Generated Node #0,2,0: 13:[27, 14] Operation: 6+8=14 Exploring Operation: 27-6=21, Resulting Numbers: [8, 21] Generated Node #0,2,1: 13:[8, 21] Operation: 27-6=21 Exploring Operation: 27-8=19, Resulting Numbers: [6, 19] Generated Node #0,2,2: 13:[6, 19] Operation: 27-8=19 Moving to Node #0,0 Current State: 13:[6, 4, 25], Operations: ['27-2=25'] Exploring Operation: 25-6=19, Resulting Numbers: [4, 19] Generated Node #0,0,0: 13:[4, 19] Operation: 25-6=19 Exploring Operation: 6+4=10, Resulting Numbers: [25, 10] Generated Node #0,0,1: 13:[25, 10] Operation: 6+4=10 Exploring Operation: 25-4=21, Resulting Numbers: [6, 21] Generated Node #0,0,2: 13:[6, 21] Operation: 25-4=21 Moving to Node #0,2,1 Current State: 13:[8, 21], Operations: ['2*4=8', '27-6=21'] Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,13 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[2, 27, 6, 4], Operations: [] Exploring Operation: 2*4=8, Resulting Numbers: [27, 6, 8] Generated Node #0,2: 13:[27, 6, 8] Operation: 2*4=8 Moving to Node #0,2 Current State: 13:[27, 6, 8], Operations: ['2*4=8'] Exploring Operation: 27-6=21, Resulting Numbers: [8, 21] Generated Node #0,2,1: 13:[8, 21] Operation: 27-6=21 Moving to Node #0,2,1 Current State: 13:[8, 21], Operations: ['2*4=8', '27-6=21'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
0.976563
hs_3
sum_heuristic
[ 6, 49, 44, 74 ]
25
[ "6+49=55", "74-44=30", "55-30=25" ]
Current State: 25:[6, 49, 44, 74], Operations: [] Exploring Operation: 6+49=55, Resulting Numbers: [44, 74, 55] Generated Node #2: [44, 74, 55] from Operation: 6+49=55 Current State: 25:[44, 74, 55], Operations: ['6+49=55'] Exploring Operation: 74-44=30, Resulting Numbers: [55, 30] Generated Node #3: [55, 30] from Operation: 74-44=30 Current State: 25:[55, 30], Operations: ['6+49=55', '74-44=30'] Exploring Operation: 55-30=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[6, 49, 44, 74], Operations: [] Exploring Operation: 74-44=30, Resulting Numbers: [6, 49, 30] Generated Node #0,0: 25:[6, 49, 30] Operation: 74-44=30 Exploring Operation: 74-49=25, Resulting Numbers: [6, 44, 25] Generated Node #0,1: 25:[6, 44, 25] Operation: 74-49=25 Moving to Node #0,1 Current State: 25:[6, 44, 25], Operations: ['74-49=25'] Exploring Operation: 44-6=38, Resulting Numbers: [25, 38] Generated Node #0,1,0: 25:[25, 38] Operation: 44-6=38 Exploring Operation: 44-25=19, Resulting Numbers: [6, 19] Generated Node #0,1,1: 25:[6, 19] Operation: 44-25=19 Moving to Node #0,0 Current State: 25:[6, 49, 30], Operations: ['74-44=30'] Exploring Operation: 49-30=19, Resulting Numbers: [6, 19] Generated Node #0,0,0: 25:[6, 19] Operation: 49-30=19 Exploring Operation: 49-6=43, Resulting Numbers: [30, 43] Generated Node #0,0,1: 25:[30, 43] Operation: 49-6=43 Moving to Node #0,1,1 Current State: 25:[6, 19], Operations: ['74-49=25', '44-25=19'] Exploring Operation: 6+19=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[6, 49, 44, 74], Operations: [] Exploring Operation: 74-49=25, Resulting Numbers: [6, 44, 25] Generated Node #0,1: 25:[6, 44, 25] Operation: 74-49=25 Moving to Node #0,1 Current State: 25:[6, 44, 25], Operations: ['74-49=25'] Exploring Operation: 44-25=19, Resulting Numbers: [6, 19] Generated Node #0,1,1: 25:[6, 19] Operation: 44-25=19 Moving to Node #0,1,1 Current State: 25:[6, 19], Operations: ['74-49=25', '44-25=19'] Exploring Operation: 6+19=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 7, 11, 91, 84 ]
41
[ "84/7=12", "11*12=132", "132-91=41" ]
Current State: 41:[7, 11, 91, 84], Operations: [] Exploring Operation: 84/7=12, Resulting Numbers: [11, 91, 12] Generated Node #2: [11, 91, 12] from Operation: 84/7=12 Current State: 41:[11, 91, 12], Operations: ['84/7=12'] Exploring Operation: 11*12=132, Resulting Numbers: [91, 132] Generated Node #3: [91, 132] from Operation: 11*12=132 Current State: 41:[91, 132], Operations: ['84/7=12', '11*12=132'] Exploring Operation: 132-91=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[7, 11, 91, 84], Operations: [] Exploring Operation: 91-7=84, Resulting Numbers: [11, 84, 84] Generated Node #0,0: 41:[11, 84, 84] Operation: 91-7=84 Exploring Operation: 91/7=13, Resulting Numbers: [11, 84, 13] Generated Node #0,1: 41:[11, 84, 13] Operation: 91/7=13 Exploring Operation: 84/7=12, Resulting Numbers: [11, 91, 12] Generated Node #0,2: 41:[11, 91, 12] Operation: 84/7=12 Exploring Operation: 7+11=18, Resulting Numbers: [91, 84, 18] Generated Node #0,3: 41:[91, 84, 18] Operation: 7+11=18 Exploring Operation: 91-84=7, Resulting Numbers: [7, 11, 7] Generated Node #0,4: 41:[7, 11, 7] Operation: 91-84=7 Start Sub Search at level 1: Moving to Node #0,4 Current State: 41:[7, 11, 7], Operations: ['91-84=7'] Exploring Operation: 11+7=18, Resulting Numbers: [7, 18] Generated Node #0,4,0: 41:[7, 18] Operation: 11+7=18 Exploring Operation: 7+7=14, Resulting Numbers: [11, 14] Generated Node #0,4,1: 41:[11, 14] Operation: 7+7=14 Exploring Operation: 7+11=18, Resulting Numbers: [7, 18] Generated Node #0,4,2: 41:[7, 18] Operation: 7+11=18 Exploring Operation: 7*7=49, Resulting Numbers: [11, 49] Generated Node #0,4,3: 41:[11, 49] Operation: 7*7=49 Exploring Operation: 7*11=77, Resulting Numbers: [7, 77] Generated Node #0,4,4: 41:[7, 77] Operation: 7*11=77 Moving to Node #0,4,3 Current State: 41:[11, 49], Operations: ['91-84=7', '7*7=49'] Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,41 unequal: No Solution Exploring Operation: 11+49=60, Resulting Numbers: [60] 60,41 unequal: No Solution Exploring Operation: 11*49=539, Resulting Numbers: [539] 539,41 unequal: No Solution Moving to Node #0,4,1 Current State: 41:[11, 14], Operations: ['91-84=7', '7+7=14'] Exploring Operation: 11*14=154, Resulting Numbers: [154] 154,41 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,41 unequal: No Solution Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,41 unequal: No Solution Moving to Node #0,4,0 Current State: 41:[7, 18], Operations: ['91-84=7', '11+7=18'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,41 unequal: No Solution Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 7*18=126, Resulting Numbers: [126] 126,41 unequal: No Solution Moving to Node #0,4,2 Current State: 41:[7, 18], Operations: ['91-84=7', '7+11=18'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,41 unequal: No Solution Exploring Operation: 7*18=126, Resulting Numbers: [126] 126,41 unequal: No Solution Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,41 unequal: No Solution Moving to Node #0,4,4 Current State: 41:[7, 77], Operations: ['91-84=7', '7*11=77'] Exploring Operation: 7+77=84, Resulting Numbers: [84] 84,41 unequal: No Solution Exploring Operation: 7*77=539, Resulting Numbers: [539] 539,41 unequal: No Solution Exploring Operation: 77/7=11, Resulting Numbers: [11] 11,41 unequal: No Solution Exploring Operation: 77-7=70, Resulting Numbers: [70] 70,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[11, 84, 13], Operations: ['91/7=13'] Exploring Operation: 11+13=24, Resulting Numbers: [84, 24] Generated Node #0,1,0: 41:[84, 24] Operation: 11+13=24 Exploring Operation: 11+84=95, Resulting Numbers: [13, 95] Generated Node #0,1,1: 41:[13, 95] Operation: 11+84=95 Exploring Operation: 84-13=71, Resulting Numbers: [11, 71] Generated Node #0,1,2: 41:[11, 71] Operation: 84-13=71 Exploring Operation: 13-11=2, Resulting Numbers: [84, 2] Generated Node #0,1,3: 41:[84, 2] Operation: 13-11=2 Exploring Operation: 84-11=73, Resulting Numbers: [13, 73] Generated Node #0,1,4: 41:[13, 73] Operation: 84-11=73 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 41:[84, 24], Operations: ['91/7=13', '11+13=24'] Exploring Operation: 84+24=108, Resulting Numbers: [108] 108,41 unequal: No Solution Exploring Operation: 84*24=2016, Resulting Numbers: [2016] 2016,41 unequal: No Solution Exploring Operation: 84-24=60, Resulting Numbers: [60] 60,41 unequal: No Solution No 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: 41:[11, 71], Operations: ['91/7=13', '84-13=71'] Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,41 unequal: No Solution Exploring Operation: 11+71=82, Resulting Numbers: [82] 82,41 unequal: No Solution Exploring Operation: 11*71=781, Resulting Numbers: [781] 781,41 unequal: No Solution No 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: 41:[13, 73], Operations: ['91/7=13', '84-11=73'] Exploring Operation: 13*73=949, Resulting Numbers: [949] 949,41 unequal: No Solution Exploring Operation: 73-13=60, Resulting Numbers: [60] 60,41 unequal: No Solution Exploring Operation: 13+73=86, Resulting Numbers: [86] 86,41 unequal: No Solution No 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: 41:[13, 95], Operations: ['91/7=13', '11+84=95'] Exploring Operation: 95-13=82, Resulting Numbers: [82] 82,41 unequal: No Solution Exploring Operation: 13*95=1235, Resulting Numbers: [1235] 1235,41 unequal: No Solution Exploring Operation: 13+95=108, Resulting Numbers: [108] 108,41 unequal: No Solution No 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: 41:[84, 2], Operations: ['91/7=13', '13-11=2'] Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,41 unequal: No Solution Exploring Operation: 84/2=42, Resulting Numbers: [42] 42,41 unequal: No Solution Exploring Operation: 84+2=86, Resulting Numbers: [86] 86,41 unequal: No Solution Exploring Operation: 84*2=168, Resulting Numbers: [168] 168,41 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: 41:[11, 91, 12], Operations: ['84/7=12'] Exploring Operation: 91-11=80, Resulting Numbers: [12, 80] Generated Node #0,2,0: 41:[12, 80] Operation: 91-11=80 Exploring Operation: 11+12=23, Resulting Numbers: [91, 23] Generated Node #0,2,1: 41:[91, 23] Operation: 11+12=23 Exploring Operation: 91-12=79, Resulting Numbers: [11, 79] Generated Node #0,2,2: 41:[11, 79] Operation: 91-12=79 Exploring Operation: 11+91=102, Resulting Numbers: [12, 102] Generated Node #0,2,3: 41:[12, 102] Operation: 11+91=102 Exploring Operation: 12-11=1, Resulting Numbers: [91, 1] Generated Node #0,2,4: 41:[91, 1] Operation: 12-11=1 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 41:[12, 80], Operations: ['84/7=12', '91-11=80'] Exploring Operation: 80-12=68, Resulting Numbers: [68] 68,41 unequal: No Solution Exploring Operation: 12+80=92, Resulting Numbers: [92] 92,41 unequal: No Solution Exploring Operation: 12*80=960, Resulting Numbers: [960] 960,41 unequal: No Solution No 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: 41:[91, 23], Operations: ['84/7=12', '11+12=23'] Exploring Operation: 91*23=2093, Resulting Numbers: [2093] 2093,41 unequal: No Solution Exploring Operation: 91-23=68, Resulting Numbers: [68] 68,41 unequal: No Solution Exploring Operation: 91+23=114, Resulting Numbers: [114] 114,41 unequal: No Solution No 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: 41:[11, 79], Operations: ['84/7=12', '91-12=79'] Exploring Operation: 11+79=90, Resulting Numbers: [90] 90,41 unequal: No Solution Exploring Operation: 11*79=869, Resulting Numbers: [869] 869,41 unequal: No Solution Exploring Operation: 79-11=68, Resulting Numbers: [68] 68,41 unequal: No Solution No 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: 41:[12, 102], Operations: ['84/7=12', '11+91=102'] Exploring Operation: 102-12=90, Resulting Numbers: [90] 90,41 unequal: No Solution Exploring Operation: 12*102=1224, Resulting Numbers: [1224] 1224,41 unequal: No Solution Exploring Operation: 12+102=114, Resulting Numbers: [114] 114,41 unequal: No Solution No 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: 41:[91, 1], Operations: ['84/7=12', '12-11=1'] Exploring Operation: 91/1=91, Resulting Numbers: [91] 91,41 unequal: No Solution Exploring Operation: 91+1=92, Resulting Numbers: [92] 92,41 unequal: No Solution Exploring Operation: 91*1=91, Resulting Numbers: [91] 91,41 unequal: No Solution Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,41 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: 41:[11, 84, 84], Operations: ['91-7=84'] Exploring Operation: 84/84=1, Resulting Numbers: [11, 1] Generated Node #0,0,0: 41:[11, 1] Operation: 84/84=1 Exploring Operation: 84-84=0, Resulting Numbers: [11, 0] Generated Node #0,0,1: 41:[11, 0] Operation: 84-84=0 Exploring Operation: 11+84=95, Resulting Numbers: [84, 95] Generated Node #0,0,2: 41:[84, 95] Operation: 11+84=95 Exploring Operation: 84-11=73, Resulting Numbers: [84, 73] Generated Node #0,0,3: 41:[84, 73] Operation: 84-11=73 Exploring Operation: 84-11=73, Resulting Numbers: [84, 73] Generated Node #0,0,4: 41:[84, 73] Operation: 84-11=73 Moving to Node #0,0,0 Current State: 41:[11, 1], Operations: ['91-7=84', '84/84=1'] Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,41 unequal: No Solution Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,41 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,41 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[11, 0], Operations: ['91-7=84', '84-84=0'] Exploring Operation: 11-0=11, Resulting Numbers: [11] 11,41 unequal: No Solution Exploring Operation: 11*0=0, Resulting Numbers: [0] 0,41 unequal: No Solution Exploring Operation: 11+0=11, Resulting Numbers: [11] 11,41 unequal: No Solution Moving to Node #0,0,3 Current State: 41:[84, 73], Operations: ['91-7=84', '84-11=73'] Exploring Operation: 84-73=11, Resulting Numbers: [11] 11,41 unequal: No Solution Exploring Operation: 84+73=157, Resulting Numbers: [157] 157,41 unequal: No Solution Exploring Operation: 84*73=6132, Resulting Numbers: [6132] 6132,41 unequal: No Solution Moving to Node #0,0,4 Current State: 41:[84, 73], Operations: ['91-7=84', '84-11=73'] Exploring Operation: 84+73=157, Resulting Numbers: [157] 157,41 unequal: No Solution Exploring Operation: 84*73=6132, Resulting Numbers: [6132] 6132,41 unequal: No Solution Exploring Operation: 84-73=11, Resulting Numbers: [11] 11,41 unequal: No Solution Moving to Node #0,0,2 Current State: 41:[84, 95], Operations: ['91-7=84', '11+84=95'] Exploring Operation: 84*95=7980, Resulting Numbers: [7980] 7980,41 unequal: No Solution Exploring Operation: 95-84=11, Resulting Numbers: [11] 11,41 unequal: No Solution Exploring Operation: 84+95=179, Resulting Numbers: [179] 179,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 41:[91, 84, 18], Operations: ['7+11=18'] Exploring Operation: 84-18=66, Resulting Numbers: [91, 66] Generated Node #0,3,0: 41:[91, 66] Operation: 84-18=66 Exploring Operation: 84+18=102, Resulting Numbers: [91, 102] Generated Node #0,3,1: 41:[91, 102] Operation: 84+18=102 Exploring Operation: 91-18=73, Resulting Numbers: [84, 73] Generated Node #0,3,2: 41:[84, 73] Operation: 91-18=73 Exploring Operation: 91-84=7, Resulting Numbers: [18, 7] Generated Node #0,3,3: 41:[18, 7] Operation: 91-84=7 Exploring Operation: 91+18=109, Resulting Numbers: [84, 109] Generated Node #0,3,4: 41:[84, 109] Operation: 91+18=109 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 41:[18, 7], Operations: ['7+11=18', '91-84=7'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,41 unequal: No Solution Exploring Operation: 18*7=126, Resulting Numbers: [126] 126,41 unequal: No Solution Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,41 unequal: No Solution No 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: 41:[91, 66], Operations: ['7+11=18', '84-18=66'] Exploring Operation: 91*66=6006, Resulting Numbers: [6006] 6006,41 unequal: No Solution Exploring Operation: 91+66=157, Resulting Numbers: [157] 157,41 unequal: No Solution Exploring Operation: 91-66=25, Resulting Numbers: [25] 25,41 unequal: No Solution No 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: 41:[84, 73], Operations: ['7+11=18', '91-18=73'] Exploring Operation: 84+73=157, Resulting Numbers: [157] 157,41 unequal: No Solution Exploring Operation: 84-73=11, Resulting Numbers: [11] 11,41 unequal: No Solution Exploring Operation: 84*73=6132, Resulting Numbers: [6132] 6132,41 unequal: No Solution No 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: 41:[91, 102], Operations: ['7+11=18', '84+18=102'] Exploring Operation: 91*102=9282, Resulting Numbers: [9282] 9282,41 unequal: No Solution Exploring Operation: 102-91=11, Resulting Numbers: [11] 11,41 unequal: No Solution Exploring Operation: 91+102=193, Resulting Numbers: [193] 193,41 unequal: No Solution No 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: 41:[84, 109], Operations: ['7+11=18', '91+18=109'] Exploring Operation: 84*109=9156, Resulting Numbers: [9156] 9156,41 unequal: No Solution Exploring Operation: 109-84=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 84+109=193, Resulting Numbers: [193] 193,41 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
[ 70, 96, 29, 35 ]
32
[ "96-70=26", "35-29=6", "26+6=32" ]
Current State: 32:[70, 96, 29, 35], Operations: [] Exploring Operation: 96-70=26, Resulting Numbers: [29, 35, 26] Generated Node #2: [29, 35, 26] from Operation: 96-70=26 Current State: 32:[29, 35, 26], Operations: ['96-70=26'] Exploring Operation: 35-29=6, Resulting Numbers: [26, 6] Generated Node #3: [26, 6] from Operation: 35-29=6 Current State: 32:[26, 6], Operations: ['96-70=26', '35-29=6'] Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[70, 96, 29, 35], Operations: [] Exploring Operation: 70-29=41, Resulting Numbers: [96, 35, 41] Generated Node #0,0: 32:[96, 35, 41] Operation: 70-29=41 Exploring Operation: 70/35=2, Resulting Numbers: [96, 29, 2] Generated Node #0,1: 32:[96, 29, 2] Operation: 70/35=2 Exploring Operation: 70-35=35, Resulting Numbers: [96, 29, 35] Generated Node #0,2: 32:[96, 29, 35] Operation: 70-35=35 Exploring Operation: 96-35=61, Resulting Numbers: [70, 29, 61] Generated Node #0,3: 32:[70, 29, 61] Operation: 96-35=61 Exploring Operation: 96-70=26, Resulting Numbers: [29, 35, 26] Generated Node #0,4: 32:[29, 35, 26] Operation: 96-70=26 Moving to Node #0,4 Current State: 32:[29, 35, 26], Operations: ['96-70=26'] Exploring Operation: 29-26=3, Resulting Numbers: [35, 3] Generated Node #0,4,0: 32:[35, 3] Operation: 29-26=3 Exploring Operation: 35-26=9, Resulting Numbers: [29, 9] Generated Node #0,4,1: 32:[29, 9] Operation: 35-26=9 Exploring Operation: 29+26=55, Resulting Numbers: [35, 55] Generated Node #0,4,2: 32:[35, 55] Operation: 29+26=55 Exploring Operation: 35+26=61, Resulting Numbers: [29, 61] Generated Node #0,4,3: 32:[29, 61] Operation: 35+26=61 Exploring Operation: 35-29=6, Resulting Numbers: [26, 6] Generated Node #0,4,4: 32:[26, 6] Operation: 35-29=6 Moving to Node #0,1 Current State: 32:[96, 29, 2], Operations: ['70/35=2'] Exploring Operation: 29+2=31, Resulting Numbers: [96, 31] Generated Node #0,1,0: 32:[96, 31] Operation: 29+2=31 Exploring Operation: 96+2=98, Resulting Numbers: [29, 98] Generated Node #0,1,1: 32:[29, 98] Operation: 96+2=98 Exploring Operation: 96-2=94, Resulting Numbers: [29, 94] Generated Node #0,1,2: 32:[29, 94] Operation: 96-2=94 Exploring Operation: 96/2=48, Resulting Numbers: [29, 48] Generated Node #0,1,3: 32:[29, 48] Operation: 96/2=48 Exploring Operation: 96-29=67, Resulting Numbers: [2, 67] Generated Node #0,1,4: 32:[2, 67] Operation: 96-29=67 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 32:[29, 48], Operations: ['70/35=2', '96/2=48'] Exploring Operation: 48-29=19, Resulting Numbers: [19] 19,32 unequal: No Solution Exploring Operation: 29+48=77, Resulting Numbers: [77] 77,32 unequal: No Solution Exploring Operation: 29*48=1392, Resulting Numbers: [1392] 1392,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 32:[2, 67], Operations: ['70/35=2', '96-29=67'] Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,32 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,32 unequal: No Solution Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 32:[96, 31], Operations: ['70/35=2', '29+2=31'] Exploring Operation: 96-31=65, Resulting Numbers: [65] 65,32 unequal: No Solution Exploring Operation: 96*31=2976, Resulting Numbers: [2976] 2976,32 unequal: No Solution Exploring Operation: 96+31=127, Resulting Numbers: [127] 127,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 32:[29, 94], Operations: ['70/35=2', '96-2=94'] Exploring Operation: 29*94=2726, Resulting Numbers: [2726] 2726,32 unequal: No Solution Exploring Operation: 29+94=123, Resulting Numbers: [123] 123,32 unequal: No Solution Exploring Operation: 94-29=65, Resulting Numbers: [65] 65,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 32:[29, 98], Operations: ['70/35=2', '96+2=98'] Exploring Operation: 98-29=69, Resulting Numbers: [69] 69,32 unequal: No Solution Exploring Operation: 29+98=127, Resulting Numbers: [127] 127,32 unequal: No Solution Exploring Operation: 29*98=2842, Resulting Numbers: [2842] 2842,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 32:[96, 29, 35], Operations: ['70-35=35'] Exploring Operation: 96+29=125, Resulting Numbers: [35, 125] Generated Node #0,2,0: 32:[35, 125] Operation: 96+29=125 Exploring Operation: 96-35=61, Resulting Numbers: [29, 61] Generated Node #0,2,1: 32:[29, 61] Operation: 96-35=61 Exploring Operation: 96-29=67, Resulting Numbers: [35, 67] Generated Node #0,2,2: 32:[35, 67] Operation: 96-29=67 Exploring Operation: 29+35=64, Resulting Numbers: [96, 64] Generated Node #0,2,3: 32:[96, 64] Operation: 29+35=64 Exploring Operation: 35-29=6, Resulting Numbers: [96, 6] Generated Node #0,2,4: 32:[96, 6] Operation: 35-29=6 Moving to Node #0,3 Current State: 32:[70, 29, 61], Operations: ['96-35=61'] Exploring Operation: 29+61=90, Resulting Numbers: [70, 90] Generated Node #0,3,0: 32:[70, 90] Operation: 29+61=90 Exploring Operation: 70+29=99, Resulting Numbers: [61, 99] Generated Node #0,3,1: 32:[61, 99] Operation: 70+29=99 Exploring Operation: 70-61=9, Resulting Numbers: [29, 9] Generated Node #0,3,2: 32:[29, 9] Operation: 70-61=9 Exploring Operation: 70-29=41, Resulting Numbers: [61, 41] Generated Node #0,3,3: 32:[61, 41] Operation: 70-29=41 Exploring Operation: 61-29=32, Resulting Numbers: [70, 32] Generated Node #0,3,4: 32:[70, 32] Operation: 61-29=32 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 32:[29, 9], Operations: ['96-35=61', '70-61=9'] Exploring Operation: 29+9=38, Resulting Numbers: [38] 38,32 unequal: No Solution Exploring Operation: 29*9=261, Resulting Numbers: [261] 261,32 unequal: No Solution Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 32:[61, 41], Operations: ['96-35=61', '70-29=41'] Exploring Operation: 61-41=20, Resulting Numbers: [20] 20,32 unequal: No Solution Exploring Operation: 61+41=102, Resulting Numbers: [102] 102,32 unequal: No Solution Exploring Operation: 61*41=2501, Resulting Numbers: [2501] 2501,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 32:[70, 32], Operations: ['96-35=61', '61-29=32'] Exploring Operation: 70-32=38, Resulting Numbers: [38] 38,32 unequal: No Solution Exploring Operation: 70+32=102, Resulting Numbers: [102] 102,32 unequal: No Solution Exploring Operation: 70*32=2240, Resulting Numbers: [2240] 2240,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 32:[70, 90], Operations: ['96-35=61', '29+61=90'] Exploring Operation: 70+90=160, Resulting Numbers: [160] 160,32 unequal: No Solution Exploring Operation: 70*90=6300, Resulting Numbers: [6300] 6300,32 unequal: No Solution Exploring Operation: 90-70=20, Resulting Numbers: [20] 20,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 32:[61, 99], Operations: ['96-35=61', '70+29=99'] Exploring Operation: 61+99=160, Resulting Numbers: [160] 160,32 unequal: No Solution Exploring Operation: 99-61=38, Resulting Numbers: [38] 38,32 unequal: No Solution Exploring Operation: 61*99=6039, Resulting Numbers: [6039] 6039,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 32:[96, 35, 41], Operations: ['70-29=41'] Exploring Operation: 96+41=137, Resulting Numbers: [35, 137] Generated Node #0,0,0: 32:[35, 137] Operation: 96+41=137 Exploring Operation: 96-41=55, Resulting Numbers: [35, 55] Generated Node #0,0,1: 32:[35, 55] Operation: 96-41=55 Exploring Operation: 96+35=131, Resulting Numbers: [41, 131] Generated Node #0,0,2: 32:[41, 131] Operation: 96+35=131 Exploring Operation: 96-35=61, Resulting Numbers: [41, 61] Generated Node #0,0,3: 32:[41, 61] Operation: 96-35=61 Exploring Operation: 41-35=6, Resulting Numbers: [96, 6] Generated Node #0,0,4: 32:[96, 6] Operation: 41-35=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 32:[35, 55], Operations: ['70-29=41', '96-41=55'] Exploring Operation: 35*55=1925, Resulting Numbers: [1925] 1925,32 unequal: No Solution Exploring Operation: 55-35=20, Resulting Numbers: [20] 20,32 unequal: No Solution Exploring Operation: 35+55=90, Resulting Numbers: [90] 90,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 32:[41, 61], Operations: ['70-29=41', '96-35=61'] Exploring Operation: 61-41=20, Resulting Numbers: [20] 20,32 unequal: No Solution Exploring Operation: 41+61=102, Resulting Numbers: [102] 102,32 unequal: No Solution Exploring Operation: 41*61=2501, Resulting Numbers: [2501] 2501,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 32:[96, 6], Operations: ['70-29=41', '41-35=6'] Exploring Operation: 96+6=102, Resulting Numbers: [102] 102,32 unequal: No Solution Exploring Operation: 96-6=90, Resulting Numbers: [90] 90,32 unequal: No Solution Exploring Operation: 96*6=576, Resulting Numbers: [576] 576,32 unequal: No Solution Exploring Operation: 96/6=16, Resulting Numbers: [16] 16,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[35, 137], Operations: ['70-29=41', '96+41=137'] Exploring Operation: 35*137=4795, Resulting Numbers: [4795] 4795,32 unequal: No Solution Exploring Operation: 35+137=172, Resulting Numbers: [172] 172,32 unequal: No Solution Exploring Operation: 137-35=102, Resulting Numbers: [102] 102,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 32:[41, 131], Operations: ['70-29=41', '96+35=131'] Exploring Operation: 41+131=172, Resulting Numbers: [172] 172,32 unequal: No Solution Exploring Operation: 41*131=5371, Resulting Numbers: [5371] 5371,32 unequal: No Solution Exploring Operation: 131-41=90, Resulting Numbers: [90] 90,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,0 Current State: 32:[35, 3], Operations: ['96-70=26', '29-26=3'] Exploring Operation: 35*3=105, Resulting Numbers: [105] 105,32 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[70, 96, 29, 35], Operations: [] Exploring Operation: 96-70=26, Resulting Numbers: [29, 35, 26] Generated Node #0,4: 32:[29, 35, 26] Operation: 96-70=26 Moving to Node #0,4 Current State: 32:[29, 35, 26], Operations: ['96-70=26'] Exploring Operation: 29-26=3, Resulting Numbers: [35, 3] Generated Node #0,4,0: 32:[35, 3] Operation: 29-26=3 Moving to Node #0,4,0 Current State: 32:[35, 3], Operations: ['96-70=26', '29-26=3'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
0.928819
hs_5
mult_heuristic
[ 65, 96, 4, 83 ]
81
[ "65*4=260", "96+83=179", "260-179=81" ]
Current State: 81:[65, 96, 4, 83], Operations: [] Exploring Operation: 65*4=260, Resulting Numbers: [96, 83, 260] Generated Node #2: [96, 83, 260] from Operation: 65*4=260 Current State: 81:[96, 83, 260], Operations: ['65*4=260'] Exploring Operation: 96+83=179, Resulting Numbers: [260, 179] Generated Node #3: [260, 179] from Operation: 96+83=179 Current State: 81:[260, 179], Operations: ['65*4=260', '96+83=179'] Exploring Operation: 260-179=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[65, 96, 4, 83], Operations: [] Exploring Operation: 96-65=31, Resulting Numbers: [4, 83, 31] Generated Node #0,0: 81:[4, 83, 31] Operation: 96-65=31 Moving to Node #0,0 Current State: 81:[4, 83, 31], Operations: ['96-65=31'] Exploring Operation: 31-4=27, Resulting Numbers: [83, 27] Generated Node #0,0,0: 81:[83, 27] Operation: 31-4=27 Moving to Node #0,0,0 Current State: 81:[83, 27], Operations: ['96-65=31', '31-4=27'] Exploring Operation: 83-27=56, Resulting Numbers: [56] 56,81 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 49, 59, 4, 13 ]
67
[ "59+13=72", "72/4=18", "49+18=67" ]
Current State: 67:[49, 59, 4, 13], Operations: [] Exploring Operation: 59+13=72, Resulting Numbers: [49, 4, 72] Generated Node #2: [49, 4, 72] from Operation: 59+13=72 Current State: 67:[49, 4, 72], Operations: ['59+13=72'] Exploring Operation: 72/4=18, Resulting Numbers: [49, 18] Generated Node #3: [49, 18] from Operation: 72/4=18 Current State: 67:[49, 18], Operations: ['59+13=72', '72/4=18'] Exploring Operation: 49+18=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[49, 59, 4, 13], Operations: [] Exploring Operation: 4*13=52, Resulting Numbers: [49, 59, 52] Generated Node #0,0: 67:[49, 59, 52] Operation: 4*13=52 Exploring Operation: 49+4=53, Resulting Numbers: [59, 13, 53] Generated Node #0,1: 67:[59, 13, 53] Operation: 49+4=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[49, 59, 52], Operations: ['4*13=52'] Exploring Operation: 49+59=108, Resulting Numbers: [52, 108] Generated Node #0,0,0: 67:[52, 108] Operation: 49+59=108 Exploring Operation: 49+52=101, Resulting Numbers: [59, 101] Generated Node #0,0,1: 67:[59, 101] Operation: 49+52=101 Moving to Node #0,0,1 Current State: 67:[59, 101], Operations: ['4*13=52', '49+52=101'] Exploring Operation: 101-59=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 59+101=160, Resulting Numbers: [160] 160,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[52, 108], Operations: ['4*13=52', '49+59=108'] Exploring Operation: 52+108=160, Resulting Numbers: [160] 160,67 unequal: No Solution Exploring Operation: 108-52=56, Resulting Numbers: [56] 56,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[59, 13, 53], Operations: ['49+4=53'] Exploring Operation: 13+53=66, Resulting Numbers: [59, 66] Generated Node #0,1,0: 67:[59, 66] Operation: 13+53=66 Exploring Operation: 59+13=72, Resulting Numbers: [53, 72] Generated Node #0,1,1: 67:[53, 72] Operation: 59+13=72 Moving to Node #0,1,0 Current State: 67:[59, 66], Operations: ['49+4=53', '13+53=66'] Exploring Operation: 66-59=7, Resulting Numbers: [7] 7,67 unequal: No Solution Exploring Operation: 59+66=125, Resulting Numbers: [125] 125,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[53, 72], Operations: ['49+4=53', '59+13=72'] Exploring Operation: 53+72=125, Resulting Numbers: [125] 125,67 unequal: No Solution Exploring Operation: 72-53=19, Resulting Numbers: [19] 19,67 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
[ 9, 6, 93, 80 ]
94
[ "93-9=84", "84/6=14", "80+14=94" ]
Current State: 94:[9, 6, 93, 80], Operations: [] Exploring Operation: 93-9=84, Resulting Numbers: [6, 80, 84] Generated Node #2: [6, 80, 84] from Operation: 93-9=84 Current State: 94:[6, 80, 84], Operations: ['93-9=84'] Exploring Operation: 84/6=14, Resulting Numbers: [80, 14] Generated Node #3: [80, 14] from Operation: 84/6=14 Current State: 94:[80, 14], Operations: ['93-9=84', '84/6=14'] Exploring Operation: 80+14=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[9, 6, 93, 80], Operations: [] Exploring Operation: 6+80=86, Resulting Numbers: [9, 93, 86] Generated Node #0,0: 94:[9, 93, 86] Operation: 6+80=86 Exploring Operation: 9+80=89, Resulting Numbers: [6, 93, 89] Generated Node #0,1: 94:[6, 93, 89] Operation: 9+80=89 Exploring Operation: 9-6=3, Resulting Numbers: [93, 80, 3] Generated Node #0,2: 94:[93, 80, 3] Operation: 9-6=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[6, 93, 89], Operations: ['9+80=89'] Exploring Operation: 6+89=95, Resulting Numbers: [93, 95] Generated Node #0,1,0: 94:[93, 95] Operation: 6+89=95 Exploring Operation: 93-89=4, Resulting Numbers: [6, 4] Generated Node #0,1,1: 94:[6, 4] Operation: 93-89=4 Exploring Operation: 6+93=99, Resulting Numbers: [89, 99] Generated Node #0,1,2: 94:[89, 99] Operation: 6+93=99 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 94:[93, 95], Operations: ['9+80=89', '6+89=95'] Exploring Operation: 95-93=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 93*95=8835, Resulting Numbers: [8835] 8835,94 unequal: No Solution Exploring Operation: 93+95=188, Resulting Numbers: [188] 188,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 94:[6, 4], Operations: ['9+80=89', '93-89=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,94 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,94 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 94:[89, 99], Operations: ['9+80=89', '6+93=99'] Exploring Operation: 89+99=188, Resulting Numbers: [188] 188,94 unequal: No Solution Exploring Operation: 89*99=8811, Resulting Numbers: [8811] 8811,94 unequal: No Solution Exploring Operation: 99-89=10, Resulting Numbers: [10] 10,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[9, 93, 86], Operations: ['6+80=86'] Exploring Operation: 93-86=7, Resulting Numbers: [9, 7] Generated Node #0,0,0: 94:[9, 7] Operation: 93-86=7 Exploring Operation: 9+93=102, Resulting Numbers: [86, 102] Generated Node #0,0,1: 94:[86, 102] Operation: 9+93=102 Exploring Operation: 9+86=95, Resulting Numbers: [93, 95] Generated Node #0,0,2: 94:[93, 95] Operation: 9+86=95 Moving to Node #0,0,2 Current State: 94:[93, 95], Operations: ['6+80=86', '9+86=95'] Exploring Operation: 95-93=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 93+95=188, Resulting Numbers: [188] 188,94 unequal: No Solution Exploring Operation: 93*95=8835, Resulting Numbers: [8835] 8835,94 unequal: No Solution Moving to Node #0,0,0 Current State: 94:[9, 7], Operations: ['6+80=86', '93-86=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,94 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,94 unequal: No Solution Moving to Node #0,0,1 Current State: 94:[86, 102], Operations: ['6+80=86', '9+93=102'] Exploring Operation: 102-86=16, Resulting Numbers: [16] 16,94 unequal: No Solution Exploring Operation: 86+102=188, Resulting Numbers: [188] 188,94 unequal: No Solution Exploring Operation: 86*102=8772, Resulting Numbers: [8772] 8772,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[93, 80, 3], Operations: ['9-6=3'] Exploring Operation: 80+3=83, Resulting Numbers: [93, 83] Generated Node #0,2,0: 94:[93, 83] Operation: 80+3=83 Exploring Operation: 93+3=96, Resulting Numbers: [80, 96] Generated Node #0,2,1: 94:[80, 96] Operation: 93+3=96 Exploring Operation: 93-80=13, Resulting Numbers: [3, 13] Generated Node #0,2,2: 94:[3, 13] Operation: 93-80=13 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 94:[93, 83], Operations: ['9-6=3', '80+3=83'] Exploring Operation: 93+83=176, Resulting Numbers: [176] 176,94 unequal: No Solution Exploring Operation: 93-83=10, Resulting Numbers: [10] 10,94 unequal: No Solution Exploring Operation: 93*83=7719, Resulting Numbers: [7719] 7719,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 94:[3, 13], Operations: ['9-6=3', '93-80=13'] Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,94 unequal: No Solution Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,94 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 94:[80, 96], Operations: ['9-6=3', '93+3=96'] Exploring Operation: 96-80=16, Resulting Numbers: [16] 16,94 unequal: No Solution Exploring Operation: 80*96=7680, Resulting Numbers: [7680] 7680,94 unequal: No Solution Exploring Operation: 80+96=176, Resulting Numbers: [176] 176,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 2, 90, 26, 13 ]
84
[ "90/2=45", "26+13=39", "45+39=84" ]
Current State: 84:[2, 90, 26, 13], Operations: [] Exploring Operation: 90/2=45, Resulting Numbers: [26, 13, 45] Generated Node #2: [26, 13, 45] from Operation: 90/2=45 Current State: 84:[26, 13, 45], Operations: ['90/2=45'] Exploring Operation: 26+13=39, Resulting Numbers: [45, 39] Generated Node #3: [45, 39] from Operation: 26+13=39 Current State: 84:[45, 39], Operations: ['90/2=45', '26+13=39'] Exploring Operation: 45+39=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[2, 90, 26, 13], Operations: [] Exploring Operation: 90/2=45, Resulting Numbers: [26, 13, 45] Generated Node #0,0: 84:[26, 13, 45] Operation: 90/2=45 Exploring Operation: 26/13=2, Resulting Numbers: [2, 90, 2] Generated Node #0,1: 84:[2, 90, 2] Operation: 26/13=2 Exploring Operation: 90-2=88, Resulting Numbers: [26, 13, 88] Generated Node #0,2: 84:[26, 13, 88] Operation: 90-2=88 Moving to Node #0,0 Current State: 84:[26, 13, 45], Operations: ['90/2=45'] Exploring Operation: 45-26=19, Resulting Numbers: [13, 19] Generated Node #0,0,0: 84:[13, 19] Operation: 45-26=19 Exploring Operation: 26-13=13, Resulting Numbers: [45, 13] Generated Node #0,0,1: 84:[45, 13] Operation: 26-13=13 Exploring Operation: 26/13=2, Resulting Numbers: [45, 2] Generated Node #0,0,2: 84:[45, 2] Operation: 26/13=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[13, 19], Operations: ['90/2=45', '45-26=19'] Exploring Operation: 13+19=32, Resulting Numbers: [32] 32,84 unequal: No Solution Exploring Operation: 13*19=247, Resulting Numbers: [247] 247,84 unequal: No Solution Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 84:[45, 2], Operations: ['90/2=45', '26/13=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,84 unequal: No Solution Exploring Operation: 45+2=47, Resulting Numbers: [47] 47,84 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[45, 13], Operations: ['90/2=45', '26-13=13'] Exploring Operation: 45*13=585, Resulting Numbers: [585] 585,84 unequal: No Solution Exploring Operation: 45+13=58, Resulting Numbers: [58] 58,84 unequal: No Solution Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,84 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: 84:[2, 90, 2], Operations: ['26/13=2'] Exploring Operation: 90-2=88, Resulting Numbers: [2, 88] Generated Node #0,1,0: 84:[2, 88] Operation: 90-2=88 Exploring Operation: 90/2=45, Resulting Numbers: [2, 45] Generated Node #0,1,1: 84:[2, 45] Operation: 90/2=45 Exploring Operation: 90/2=45, Resulting Numbers: [2, 45] Generated Node #0,1,2: 84:[2, 45] Operation: 90/2=45 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 84:[2, 45], Operations: ['26/13=2', '90/2=45'] Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,84 unequal: No Solution Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,84 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 84:[2, 45], Operations: ['26/13=2', '90/2=45'] Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,84 unequal: No Solution Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,84 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 84:[2, 88], Operations: ['26/13=2', '90-2=88'] Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,84 unequal: No Solution Exploring Operation: 2+88=90, Resulting Numbers: [90] 90,84 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: 84:[26, 13, 88], Operations: ['90-2=88'] Exploring Operation: 26-13=13, Resulting Numbers: [88, 13] Generated Node #0,2,0: 84:[88, 13] Operation: 26-13=13 Exploring Operation: 26/13=2, Resulting Numbers: [88, 2] Generated Node #0,2,1: 84:[88, 2] Operation: 26/13=2 Exploring Operation: 26+13=39, Resulting Numbers: [88, 39] Generated Node #0,2,2: 84:[88, 39] Operation: 26+13=39 Moving to Node #0,2,1 Current State: 84:[88, 2], Operations: ['90-2=88', '26/13=2'] Exploring Operation: 88+2=90, Resulting Numbers: [90] 90,84 unequal: No Solution Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,84 unequal: No Solution Moving to Node #0,2,0 Current State: 84:[88, 13], Operations: ['90-2=88', '26-13=13'] Exploring Operation: 88*13=1144, Resulting Numbers: [1144] 1144,84 unequal: No Solution Exploring Operation: 88-13=75, Resulting Numbers: [75] 75,84 unequal: No Solution Exploring Operation: 88+13=101, Resulting Numbers: [101] 101,84 unequal: No Solution Moving to Node #0,2,2 Current State: 84:[88, 39], Operations: ['90-2=88', '26+13=39'] Exploring Operation: 88+39=127, Resulting Numbers: [127] 127,84 unequal: No Solution Exploring Operation: 88*39=3432, Resulting Numbers: [3432] 3432,84 unequal: No Solution Exploring Operation: 88-39=49, Resulting Numbers: [49] 49,84 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 52, 82, 66, 41 ]
27
[ "52+82=134", "66+41=107", "134-107=27" ]
Current State: 27:[52, 82, 66, 41], Operations: [] Exploring Operation: 52+82=134, Resulting Numbers: [66, 41, 134] Generated Node #2: [66, 41, 134] from Operation: 52+82=134 Current State: 27:[66, 41, 134], Operations: ['52+82=134'] Exploring Operation: 66+41=107, Resulting Numbers: [134, 107] Generated Node #3: [134, 107] from Operation: 66+41=107 Current State: 27:[134, 107], Operations: ['52+82=134', '66+41=107'] Exploring Operation: 134-107=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[52, 82, 66, 41], Operations: [] Exploring Operation: 82-66=16, Resulting Numbers: [52, 41, 16] Generated Node #0,0: 27:[52, 41, 16] Operation: 82-66=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[52, 41, 16], Operations: ['82-66=16'] Exploring Operation: 52-41=11, Resulting Numbers: [16, 11] Generated Node #0,0,0: 27:[16, 11] Operation: 52-41=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[16, 11], Operations: ['82-66=16', '52-41=11'] Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[52, 82, 66, 41], Operations: [] Exploring Operation: 82-66=16, Resulting Numbers: [52, 41, 16] Generated Node #0,0: 27:[52, 41, 16] Operation: 82-66=16 Moving to Node #0,0 Current State: 27:[52, 41, 16], Operations: ['82-66=16'] Exploring Operation: 52-41=11, Resulting Numbers: [16, 11] Generated Node #0,0,0: 27:[16, 11] Operation: 52-41=11 Moving to Node #0,0,0 Current State: 27:[16, 11], Operations: ['82-66=16', '52-41=11'] Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 29, 91, 12, 2 ]
100
[ "91-29=62", "62-12=50", "2*50=100" ]
Current State: 100:[29, 91, 12, 2], Operations: [] Exploring Operation: 91-29=62, Resulting Numbers: [12, 2, 62] Generated Node #2: [12, 2, 62] from Operation: 91-29=62 Current State: 100:[12, 2, 62], Operations: ['91-29=62'] Exploring Operation: 62-12=50, Resulting Numbers: [2, 50] Generated Node #3: [2, 50] from Operation: 62-12=50 Current State: 100:[2, 50], Operations: ['91-29=62', '62-12=50'] Exploring Operation: 2*50=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[29, 91, 12, 2], Operations: [] Exploring Operation: 91+12=103, Resulting Numbers: [29, 2, 103] Generated Node #0,0: 100:[29, 2, 103] Operation: 91+12=103 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[29, 2, 103], Operations: ['91+12=103'] Exploring Operation: 29-2=27, Resulting Numbers: [103, 27] Generated Node #0,0,0: 100:[103, 27] Operation: 29-2=27 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 100:[103, 27], Operations: ['91+12=103', '29-2=27'] Exploring Operation: 103-27=76, Resulting Numbers: [76] 76,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 71, 7, 46, 34 ]
63
[ "71-46=25", "34-25=9", "7*9=63" ]
Current State: 63:[71, 7, 46, 34], Operations: [] Exploring Operation: 71-46=25, Resulting Numbers: [7, 34, 25] Generated Node #2: [7, 34, 25] from Operation: 71-46=25 Current State: 63:[7, 34, 25], Operations: ['71-46=25'] Exploring Operation: 34-25=9, Resulting Numbers: [7, 9] Generated Node #3: [7, 9] from Operation: 34-25=9 Current State: 63:[7, 9], Operations: ['71-46=25', '34-25=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[71, 7, 46, 34], Operations: [] Exploring Operation: 71-7=64, Resulting Numbers: [46, 34, 64] Generated Node #0,0: 63:[46, 34, 64] Operation: 71-7=64 Exploring Operation: 71-46=25, Resulting Numbers: [7, 34, 25] Generated Node #0,1: 63:[7, 34, 25] Operation: 71-46=25 Exploring Operation: 46-34=12, Resulting Numbers: [71, 7, 12] Generated Node #0,2: 63:[71, 7, 12] Operation: 46-34=12 Exploring Operation: 46+34=80, Resulting Numbers: [71, 7, 80] Generated Node #0,3: 63:[71, 7, 80] Operation: 46+34=80 Start Sub Search at level 1: Moving to Node #0,2 Current State: 63:[71, 7, 12], Operations: ['46-34=12'] Exploring Operation: 12-7=5, Resulting Numbers: [71, 5] Generated Node #0,2,0: 63:[71, 5] Operation: 12-7=5 Exploring Operation: 71-12=59, Resulting Numbers: [7, 59] Generated Node #0,2,1: 63:[7, 59] Operation: 71-12=59 Exploring Operation: 71-7=64, Resulting Numbers: [12, 64] Generated Node #0,2,2: 63:[12, 64] Operation: 71-7=64 Exploring Operation: 7+12=19, Resulting Numbers: [71, 19] Generated Node #0,2,3: 63:[71, 19] Operation: 7+12=19 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 63:[7, 59], Operations: ['46-34=12', '71-12=59'] Exploring Operation: 7*59=413, Resulting Numbers: [413] 413,63 unequal: No Solution Exploring Operation: 7+59=66, Resulting Numbers: [66] 66,63 unequal: No Solution Exploring Operation: 59-7=52, Resulting Numbers: [52] 52,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 63:[12, 64], Operations: ['46-34=12', '71-7=64'] Exploring Operation: 12*64=768, Resulting Numbers: [768] 768,63 unequal: No Solution Exploring Operation: 12+64=76, Resulting Numbers: [76] 76,63 unequal: No Solution Exploring Operation: 64-12=52, Resulting Numbers: [52] 52,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 63:[71, 5], Operations: ['46-34=12', '12-7=5'] Exploring Operation: 71+5=76, Resulting Numbers: [76] 76,63 unequal: No Solution Exploring Operation: 71*5=355, Resulting Numbers: [355] 355,63 unequal: No Solution Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 63:[71, 19], Operations: ['46-34=12', '7+12=19'] Exploring Operation: 71-19=52, Resulting Numbers: [52] 52,63 unequal: No Solution Exploring Operation: 71*19=1349, Resulting Numbers: [1349] 1349,63 unequal: No Solution Exploring Operation: 71+19=90, Resulting Numbers: [90] 90,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[7, 34, 25], Operations: ['71-46=25'] Exploring Operation: 25-7=18, Resulting Numbers: [34, 18] Generated Node #0,1,0: 63:[34, 18] Operation: 25-7=18 Exploring Operation: 34-25=9, Resulting Numbers: [7, 9] Generated Node #0,1,1: 63:[7, 9] Operation: 34-25=9 Exploring Operation: 34+25=59, Resulting Numbers: [7, 59] Generated Node #0,1,2: 63:[7, 59] Operation: 34+25=59 Exploring Operation: 34-7=27, Resulting Numbers: [25, 27] Generated Node #0,1,3: 63:[25, 27] Operation: 34-7=27 Moving to Node #0,1,1 Current State: 63:[7, 9], Operations: ['71-46=25', '34-25=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[71, 7, 46, 34], Operations: [] Exploring Operation: 71-46=25, Resulting Numbers: [7, 34, 25] Generated Node #0,1: 63:[7, 34, 25] Operation: 71-46=25 Moving to Node #0,1 Current State: 63:[7, 34, 25], Operations: ['71-46=25'] Exploring Operation: 34-25=9, Resulting Numbers: [7, 9] Generated Node #0,1,1: 63:[7, 9] Operation: 34-25=9 Moving to Node #0,1,1 Current State: 63:[7, 9], Operations: ['71-46=25', '34-25=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_4
sum_heuristic
[ 14, 89, 53, 45 ]
67
[ "89-14=75", "53-45=8", "75-8=67" ]
Current State: 67:[14, 89, 53, 45], Operations: [] Exploring Operation: 89-14=75, Resulting Numbers: [53, 45, 75] Generated Node #2: [53, 45, 75] from Operation: 89-14=75 Current State: 67:[53, 45, 75], Operations: ['89-14=75'] Exploring Operation: 53-45=8, Resulting Numbers: [75, 8] Generated Node #3: [75, 8] from Operation: 53-45=8 Current State: 67:[75, 8], Operations: ['89-14=75', '53-45=8'] Exploring Operation: 75-8=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[14, 89, 53, 45], Operations: [] Exploring Operation: 89-14=75, Resulting Numbers: [53, 45, 75] Generated Node #0,0: 67:[53, 45, 75] Operation: 89-14=75 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[53, 45, 75], Operations: ['89-14=75'] Exploring Operation: 53+45=98, Resulting Numbers: [75, 98] Generated Node #0,0,0: 67:[75, 98] Operation: 53+45=98 Moving to Node #0,0,0 Current State: 67:[75, 98], Operations: ['89-14=75', '53+45=98'] Exploring Operation: 98-75=23, Resulting Numbers: [23] 23,67 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, 65, 15, 29 ]
62
[ "29-24=5", "15/5=3", "65-3=62" ]
Current State: 62:[24, 65, 15, 29], Operations: [] Exploring Operation: 29-24=5, Resulting Numbers: [65, 15, 5] Generated Node #2: [65, 15, 5] from Operation: 29-24=5 Current State: 62:[65, 15, 5], Operations: ['29-24=5'] Exploring Operation: 15/5=3, Resulting Numbers: [65, 3] Generated Node #3: [65, 3] from Operation: 15/5=3 Current State: 62:[65, 3], Operations: ['29-24=5', '15/5=3'] Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[24, 65, 15, 29], Operations: [] Exploring Operation: 24-15=9, Resulting Numbers: [65, 29, 9] Generated Node #0,0: 62:[65, 29, 9] Operation: 24-15=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[65, 29, 9], Operations: ['24-15=9'] Exploring Operation: 65-9=56, Resulting Numbers: [29, 56] Generated Node #0,0,0: 62:[29, 56] Operation: 65-9=56 Moving to Node #0,0,0 Current State: 62:[29, 56], Operations: ['24-15=9', '65-9=56'] Exploring Operation: 56-29=27, Resulting Numbers: [27] 27,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic