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
[ 7, 24, 61, 70 ]
22
[ "7+24=31", "70-61=9", "31-9=22" ]
Current State: 22:[7, 24, 61, 70], Operations: [] Exploring Operation: 7+24=31, Resulting Numbers: [61, 70, 31] Generated Node #2: [61, 70, 31] from Operation: 7+24=31 Current State: 22:[61, 70, 31], Operations: ['7+24=31'] Exploring Operation: 70-61=9, Resulting Numbers: [31, 9] Generated Node #3: [31, 9] from Operation: 70-61=9 Current State: 22:[31, 9], Operations: ['7+24=31', '70-61=9'] Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[7, 24, 61, 70], Operations: [] Exploring Operation: 70-61=9, Resulting Numbers: [7, 24, 9] Generated Node #0,0: 22:[7, 24, 9] Operation: 70-61=9 Moving to Node #0,0 Current State: 22:[7, 24, 9], Operations: ['70-61=9'] Exploring Operation: 9-7=2, Resulting Numbers: [24, 2] Generated Node #0,0,0: 22:[24, 2] Operation: 9-7=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[24, 2], Operations: ['70-61=9', '9-7=2'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[7, 24, 61, 70], Operations: [] Exploring Operation: 70-61=9, Resulting Numbers: [7, 24, 9] Generated Node #0,0: 22:[7, 24, 9] Operation: 70-61=9 Moving to Node #0,0 Current State: 22:[7, 24, 9], Operations: ['70-61=9'] Exploring Operation: 9-7=2, Resulting Numbers: [24, 2] Generated Node #0,0,0: 22:[24, 2] Operation: 9-7=2 Moving to Node #0,0,0 Current State: 22:[24, 2], Operations: ['70-61=9', '9-7=2'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 53, 69, 61, 99 ]
21
[ "61-53=8", "69+99=168", "168/8=21" ]
Current State: 21:[53, 69, 61, 99], Operations: [] Exploring Operation: 61-53=8, Resulting Numbers: [69, 99, 8] Generated Node #2: [69, 99, 8] from Operation: 61-53=8 Current State: 21:[69, 99, 8], Operations: ['61-53=8'] Exploring Operation: 69+99=168, Resulting Numbers: [8, 168] Generated Node #3: [8, 168] from Operation: 69+99=168 Current State: 21:[8, 168], Operations: ['61-53=8', '69+99=168'] Exploring Operation: 168/8=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[53, 69, 61, 99], Operations: [] Exploring Operation: 99-69=30, Resulting Numbers: [53, 61, 30] Generated Node #0,0: 21:[53, 61, 30] Operation: 99-69=30 Exploring Operation: 99-61=38, Resulting Numbers: [53, 69, 38] Generated Node #0,1: 21:[53, 69, 38] Operation: 99-61=38 Moving to Node #0,0 Current State: 21:[53, 61, 30], Operations: ['99-69=30'] Exploring Operation: 61-53=8, Resulting Numbers: [30, 8] Generated Node #0,0,0: 21:[30, 8] Operation: 61-53=8 Exploring Operation: 53-30=23, Resulting Numbers: [61, 23] Generated Node #0,0,1: 21:[61, 23] Operation: 53-30=23 Moving to Node #0,1 Current State: 21:[53, 69, 38], Operations: ['99-61=38'] Exploring Operation: 69-38=31, Resulting Numbers: [53, 31] Generated Node #0,1,0: 21:[53, 31] Operation: 69-38=31 Exploring Operation: 69-53=16, Resulting Numbers: [38, 16] Generated Node #0,1,1: 21:[38, 16] Operation: 69-53=16 Moving to Node #0,0,0 Current State: 21:[30, 8], Operations: ['99-69=30', '61-53=8'] Exploring Operation: 30+8=38, Resulting Numbers: [38] 38,21 unequal: No Solution Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,21 unequal: No Solution Moving to Node #0,1,1 Current State: 21:[38, 16], Operations: ['99-61=38', '69-53=16'] Exploring Operation: 38+16=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 38-16=22, Resulting Numbers: [22] 22,21 unequal: No Solution Moving to Node #0,0,1 Current State: 21:[61, 23], Operations: ['99-69=30', '53-30=23'] Exploring Operation: 61-23=38, Resulting Numbers: [38] 38,21 unequal: No Solution Exploring Operation: 61+23=84, Resulting Numbers: [84] 84,21 unequal: No Solution Moving to Node #0,1,0 Current State: 21:[53, 31], Operations: ['99-61=38', '69-38=31'] Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,21 unequal: No Solution Exploring Operation: 53+31=84, Resulting Numbers: [84] 84,21 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 4, 10, 33, 60 ]
13
[ "4+10=14", "60-33=27", "27-14=13" ]
Current State: 13:[4, 10, 33, 60], Operations: [] Exploring Operation: 4+10=14, Resulting Numbers: [33, 60, 14] Generated Node #2: [33, 60, 14] from Operation: 4+10=14 Current State: 13:[33, 60, 14], Operations: ['4+10=14'] Exploring Operation: 60-33=27, Resulting Numbers: [14, 27] Generated Node #3: [14, 27] from Operation: 60-33=27 Current State: 13:[14, 27], Operations: ['4+10=14', '60-33=27'] Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[4, 10, 33, 60], Operations: [] Exploring Operation: 60/4=15, Resulting Numbers: [10, 33, 15] Generated Node #0,0: 13:[10, 33, 15] Operation: 60/4=15 Exploring Operation: 60-33=27, Resulting Numbers: [4, 10, 27] Generated Node #0,1: 13:[4, 10, 27] Operation: 60-33=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[10, 33, 15], Operations: ['60/4=15'] Exploring Operation: 33-15=18, Resulting Numbers: [10, 18] Generated Node #0,0,0: 13:[10, 18] Operation: 33-15=18 Exploring Operation: 33-10=23, Resulting Numbers: [15, 23] Generated Node #0,0,1: 13:[15, 23] Operation: 33-10=23 Moving to Node #0,0,0 Current State: 13:[10, 18], Operations: ['60/4=15', '33-15=18'] Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,13 unequal: No Solution Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,13 unequal: No Solution Moving to Node #0,0,1 Current State: 13:[15, 23], Operations: ['60/4=15', '33-10=23'] Exploring Operation: 15+23=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 23-15=8, Resulting Numbers: [8] 8,13 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 Current State: 13:[4, 10, 27], Operations: ['60-33=27'] Exploring Operation: 27-10=17, Resulting Numbers: [4, 17] Generated Node #0,1,0: 13:[4, 17] Operation: 27-10=17 Exploring Operation: 27-4=23, Resulting Numbers: [10, 23] Generated Node #0,1,1: 13:[10, 23] Operation: 27-4=23 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 13:[4, 17], Operations: ['60-33=27', '27-10=17'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[4, 10, 33, 60], Operations: [] Exploring Operation: 60-33=27, Resulting Numbers: [4, 10, 27] Generated Node #0,1: 13:[4, 10, 27] Operation: 60-33=27 Moving to Node #0,1 Current State: 13:[4, 10, 27], Operations: ['60-33=27'] Exploring Operation: 27-10=17, Resulting Numbers: [4, 17] Generated Node #0,1,0: 13:[4, 17] Operation: 27-10=17 Moving to Node #0,1,0 Current State: 13:[4, 17], Operations: ['60-33=27', '27-10=17'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 69, 45, 90, 10 ]
74
[ "90/45=2", "10/2=5", "69+5=74" ]
Current State: 74:[69, 45, 90, 10], Operations: [] Exploring Operation: 90/45=2, Resulting Numbers: [69, 10, 2] Generated Node #2: [69, 10, 2] from Operation: 90/45=2 Current State: 74:[69, 10, 2], Operations: ['90/45=2'] Exploring Operation: 10/2=5, Resulting Numbers: [69, 5] Generated Node #3: [69, 5] from Operation: 10/2=5 Current State: 74:[69, 5], Operations: ['90/45=2', '10/2=5'] Exploring Operation: 69+5=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[69, 45, 90, 10], Operations: [] Exploring Operation: 90/10=9, Resulting Numbers: [69, 45, 9] Generated Node #0,0: 74:[69, 45, 9] Operation: 90/10=9 Exploring Operation: 45-10=35, Resulting Numbers: [69, 90, 35] Generated Node #0,1: 74:[69, 90, 35] Operation: 45-10=35 Exploring Operation: 90/45=2, Resulting Numbers: [69, 10, 2] Generated Node #0,2: 74:[69, 10, 2] Operation: 90/45=2 Exploring Operation: 90-10=80, Resulting Numbers: [69, 45, 80] Generated Node #0,3: 74:[69, 45, 80] Operation: 90-10=80 Exploring Operation: 90-45=45, Resulting Numbers: [69, 10, 45] Generated Node #0,4: 74:[69, 10, 45] Operation: 90-45=45 Moving to Node #0,2 Current State: 74:[69, 10, 2], Operations: ['90/45=2'] Exploring Operation: 10-2=8, Resulting Numbers: [69, 8] Generated Node #0,2,0: 74:[69, 8] Operation: 10-2=8 Exploring Operation: 69-10=59, Resulting Numbers: [2, 59] Generated Node #0,2,1: 74:[2, 59] Operation: 69-10=59 Exploring Operation: 69+10=79, Resulting Numbers: [2, 79] Generated Node #0,2,2: 74:[2, 79] Operation: 69+10=79 Exploring Operation: 10/2=5, Resulting Numbers: [69, 5] Generated Node #0,2,3: 74:[69, 5] Operation: 10/2=5 Exploring Operation: 69+2=71, Resulting Numbers: [10, 71] Generated Node #0,2,4: 74:[10, 71] Operation: 69+2=71 Moving to Node #0,3 Current State: 74:[69, 45, 80], Operations: ['90-10=80'] Exploring Operation: 80-69=11, Resulting Numbers: [45, 11] Generated Node #0,3,0: 74:[45, 11] Operation: 80-69=11 Exploring Operation: 69+45=114, Resulting Numbers: [80, 114] Generated Node #0,3,1: 74:[80, 114] Operation: 69+45=114 Exploring Operation: 69-45=24, Resulting Numbers: [80, 24] Generated Node #0,3,2: 74:[80, 24] Operation: 69-45=24 Exploring Operation: 45+80=125, Resulting Numbers: [69, 125] Generated Node #0,3,3: 74:[69, 125] Operation: 45+80=125 Exploring Operation: 80-45=35, Resulting Numbers: [69, 35] Generated Node #0,3,4: 74:[69, 35] Operation: 80-45=35 Moving to Node #0,0 Current State: 74:[69, 45, 9], Operations: ['90/10=9'] Exploring Operation: 45-9=36, Resulting Numbers: [69, 36] Generated Node #0,0,0: 74:[69, 36] Operation: 45-9=36 Exploring Operation: 69-45=24, Resulting Numbers: [9, 24] Generated Node #0,0,1: 74:[9, 24] Operation: 69-45=24 Exploring Operation: 69-9=60, Resulting Numbers: [45, 60] Generated Node #0,0,2: 74:[45, 60] Operation: 69-9=60 Exploring Operation: 45/9=5, Resulting Numbers: [69, 5] Generated Node #0,0,3: 74:[69, 5] Operation: 45/9=5 Exploring Operation: 69+9=78, Resulting Numbers: [45, 78] Generated Node #0,0,4: 74:[45, 78] Operation: 69+9=78 Moving to Node #0,4 Current State: 74:[69, 10, 45], Operations: ['90-45=45'] Exploring Operation: 69-45=24, Resulting Numbers: [10, 24] Generated Node #0,4,0: 74:[10, 24] Operation: 69-45=24 Exploring Operation: 69+10=79, Resulting Numbers: [45, 79] Generated Node #0,4,1: 74:[45, 79] Operation: 69+10=79 Exploring Operation: 10+45=55, Resulting Numbers: [69, 55] Generated Node #0,4,2: 74:[69, 55] Operation: 10+45=55 Exploring Operation: 45-10=35, Resulting Numbers: [69, 35] Generated Node #0,4,3: 74:[69, 35] Operation: 45-10=35 Exploring Operation: 69-10=59, Resulting Numbers: [45, 59] Generated Node #0,4,4: 74:[45, 59] Operation: 69-10=59 Moving to Node #0,1 Current State: 74:[69, 90, 35], Operations: ['45-10=35'] Exploring Operation: 69-35=34, Resulting Numbers: [90, 34] Generated Node #0,1,0: 74:[90, 34] Operation: 69-35=34 Exploring Operation: 90-35=55, Resulting Numbers: [69, 55] Generated Node #0,1,1: 74:[69, 55] Operation: 90-35=55 Exploring Operation: 69+35=104, Resulting Numbers: [90, 104] Generated Node #0,1,2: 74:[90, 104] Operation: 69+35=104 Exploring Operation: 90+35=125, Resulting Numbers: [69, 125] Generated Node #0,1,3: 74:[69, 125] Operation: 90+35=125 Exploring Operation: 90-69=21, Resulting Numbers: [35, 21] Generated Node #0,1,4: 74:[35, 21] Operation: 90-69=21 Moving to Node #0,2,2 Current State: 74:[2, 79], Operations: ['90/45=2', '69+10=79'] Exploring Operation: 2*79=158, Resulting Numbers: [158] 158,74 unequal: No Solution Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,74 unequal: No Solution Exploring Operation: 2+79=81, Resulting Numbers: [81] 81,74 unequal: No Solution Moving to Node #0,0,0 Current State: 74:[69, 36], Operations: ['90/10=9', '45-9=36'] Exploring Operation: 69-36=33, Resulting Numbers: [33] 33,74 unequal: No Solution Exploring Operation: 69+36=105, Resulting Numbers: [105] 105,74 unequal: No Solution Exploring Operation: 69*36=2484, Resulting Numbers: [2484] 2484,74 unequal: No Solution Moving to Node #0,3,4 Current State: 74:[69, 35], Operations: ['90-10=80', '80-45=35'] Exploring Operation: 69*35=2415, Resulting Numbers: [2415] 2415,74 unequal: No Solution Exploring Operation: 69+35=104, Resulting Numbers: [104] 104,74 unequal: No Solution Exploring Operation: 69-35=34, Resulting Numbers: [34] 34,74 unequal: No Solution Moving to Node #0,4,3 Current State: 74:[69, 35], Operations: ['90-45=45', '45-10=35'] Exploring Operation: 69*35=2415, Resulting Numbers: [2415] 2415,74 unequal: No Solution Exploring Operation: 69+35=104, Resulting Numbers: [104] 104,74 unequal: No Solution Exploring Operation: 69-35=34, Resulting Numbers: [34] 34,74 unequal: No Solution Moving to Node #0,0,3 Current State: 74:[69, 5], Operations: ['90/10=9', '45/9=5'] Exploring Operation: 69+5=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[69, 45, 90, 10], Operations: [] Exploring Operation: 90/10=9, Resulting Numbers: [69, 45, 9] Generated Node #0,0: 74:[69, 45, 9] Operation: 90/10=9 Moving to Node #0,0 Current State: 74:[69, 45, 9], Operations: ['90/10=9'] Exploring Operation: 45/9=5, Resulting Numbers: [69, 5] Generated Node #0,0,3: 74:[69, 5] Operation: 45/9=5 Moving to Node #0,0,3 Current State: 74:[69, 5], Operations: ['90/10=9', '45/9=5'] Exploring Operation: 69+5=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
0.959201
hs_5
mult_heuristic
[ 26, 49, 91, 4 ]
12
[ "26+49=75", "91-4=87", "87-75=12" ]
Current State: 12:[26, 49, 91, 4], Operations: [] Exploring Operation: 26+49=75, Resulting Numbers: [91, 4, 75] Generated Node #2: [91, 4, 75] from Operation: 26+49=75 Current State: 12:[91, 4, 75], Operations: ['26+49=75'] Exploring Operation: 91-4=87, Resulting Numbers: [75, 87] Generated Node #3: [75, 87] from Operation: 91-4=87 Current State: 12:[75, 87], Operations: ['26+49=75', '91-4=87'] Exploring Operation: 87-75=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[26, 49, 91, 4], Operations: [] Exploring Operation: 26-4=22, Resulting Numbers: [49, 91, 22] Generated Node #0,0: 12:[49, 91, 22] Operation: 26-4=22 Exploring Operation: 49-26=23, Resulting Numbers: [91, 4, 23] Generated Node #0,1: 12:[91, 4, 23] Operation: 49-26=23 Exploring Operation: 91-26=65, Resulting Numbers: [49, 4, 65] Generated Node #0,2: 12:[49, 4, 65] Operation: 91-26=65 Exploring Operation: 49-4=45, Resulting Numbers: [26, 91, 45] Generated Node #0,3: 12:[26, 91, 45] Operation: 49-4=45 Exploring Operation: 91-49=42, Resulting Numbers: [26, 4, 42] Generated Node #0,4: 12:[26, 4, 42] Operation: 91-49=42 Start Sub Search at level 1: Moving to Node #0,4 Current State: 12:[26, 4, 42], Operations: ['91-49=42'] Exploring Operation: 42-26=16, Resulting Numbers: [4, 16] Generated Node #0,4,0: 12:[4, 16] Operation: 42-26=16 Exploring Operation: 26-4=22, Resulting Numbers: [42, 22] Generated Node #0,4,1: 12:[42, 22] Operation: 26-4=22 Exploring Operation: 26+4=30, Resulting Numbers: [42, 30] Generated Node #0,4,2: 12:[42, 30] Operation: 26+4=30 Exploring Operation: 4+42=46, Resulting Numbers: [26, 46] Generated Node #0,4,3: 12:[26, 46] Operation: 4+42=46 Exploring Operation: 42-4=38, Resulting Numbers: [26, 38] Generated Node #0,4,4: 12:[26, 38] Operation: 42-4=38 Moving to Node #0,4,0 Current State: 12:[4, 16], Operations: ['91-49=42', '42-26=16'] Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,12 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[26, 49, 91, 4], Operations: [] Exploring Operation: 91-49=42, Resulting Numbers: [26, 4, 42] Generated Node #0,4: 12:[26, 4, 42] Operation: 91-49=42 Moving to Node #0,4 Current State: 12:[26, 4, 42], Operations: ['91-49=42'] Exploring Operation: 42-26=16, Resulting Numbers: [4, 16] Generated Node #0,4,0: 12:[4, 16] Operation: 42-26=16 Moving to Node #0,4,0 Current State: 12:[4, 16], Operations: ['91-49=42', '42-26=16'] Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 30, 15, 12, 8 ]
90
[ "12-8=4", "15*4=60", "30+60=90" ]
Current State: 90:[30, 15, 12, 8], Operations: [] Exploring Operation: 12-8=4, Resulting Numbers: [30, 15, 4] Generated Node #2: [30, 15, 4] from Operation: 12-8=4 Current State: 90:[30, 15, 4], Operations: ['12-8=4'] Exploring Operation: 15*4=60, Resulting Numbers: [30, 60] Generated Node #3: [30, 60] from Operation: 15*4=60 Current State: 90:[30, 60], Operations: ['12-8=4', '15*4=60'] Exploring Operation: 30+60=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[30, 15, 12, 8], Operations: [] Exploring Operation: 30-12=18, Resulting Numbers: [15, 8, 18] Generated Node #0,0: 90:[15, 8, 18] Operation: 30-12=18 Exploring Operation: 15-12=3, Resulting Numbers: [30, 8, 3] Generated Node #0,1: 90:[30, 8, 3] Operation: 15-12=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[15, 8, 18], Operations: ['30-12=18'] Exploring Operation: 15-8=7, Resulting Numbers: [18, 7] Generated Node #0,0,0: 90:[18, 7] Operation: 15-8=7 Exploring Operation: 18-8=10, Resulting Numbers: [15, 10] Generated Node #0,0,1: 90:[15, 10] Operation: 18-8=10 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 90:[15, 10], Operations: ['30-12=18', '18-8=10'] Exploring Operation: 15+10=25, Resulting Numbers: [25] 25,90 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[18, 7], Operations: ['30-12=18', '15-8=7'] Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,90 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[30, 8, 3], Operations: ['15-12=3'] Exploring Operation: 30*3=90, Resulting Numbers: [8, 90] Generated Node #0,1,0: 90:[8, 90] Operation: 30*3=90 Exploring Operation: 8-3=5, Resulting Numbers: [30, 5] Generated Node #0,1,1: 90:[30, 5] Operation: 8-3=5 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 90:[30, 5], Operations: ['15-12=3', '8-3=5'] Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 90:[8, 90], Operations: ['15-12=3', '30*3=90'] Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,90 unequal: No Solution Exploring Operation: 8+90=98, Resulting Numbers: [98] 98,90 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_2
mult_heuristic
[ 35, 5, 1, 72 ]
47
[ "5+1=6", "72/6=12", "35+12=47" ]
Current State: 47:[35, 5, 1, 72], Operations: [] Exploring Operation: 5+1=6, Resulting Numbers: [35, 72, 6] Generated Node #2: [35, 72, 6] from Operation: 5+1=6 Current State: 47:[35, 72, 6], Operations: ['5+1=6'] Exploring Operation: 72/6=12, Resulting Numbers: [35, 12] Generated Node #3: [35, 12] from Operation: 72/6=12 Current State: 47:[35, 12], Operations: ['5+1=6', '72/6=12'] Exploring Operation: 35+12=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[35, 5, 1, 72], Operations: [] Exploring Operation: 35+1=36, Resulting Numbers: [5, 72, 36] Generated Node #0,0: 47:[5, 72, 36] Operation: 35+1=36 Exploring Operation: 35+5=40, Resulting Numbers: [1, 72, 40] Generated Node #0,1: 47:[1, 72, 40] Operation: 35+5=40 Moving to Node #0,0 Current State: 47:[5, 72, 36], Operations: ['35+1=36'] Exploring Operation: 5+36=41, Resulting Numbers: [72, 41] Generated Node #0,0,0: 47:[72, 41] Operation: 5+36=41 Exploring Operation: 72-5=67, Resulting Numbers: [36, 67] Generated Node #0,0,1: 47:[36, 67] Operation: 72-5=67 Moving to Node #0,1 Current State: 47:[1, 72, 40], Operations: ['35+5=40'] Exploring Operation: 1+40=41, Resulting Numbers: [72, 41] Generated Node #0,1,0: 47:[72, 41] Operation: 1+40=41 Exploring Operation: 72-1=71, Resulting Numbers: [40, 71] Generated Node #0,1,1: 47:[40, 71] Operation: 72-1=71 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 47:[72, 41], Operations: ['35+5=40', '1+40=41'] Exploring Operation: 72-41=31, Resulting Numbers: [31] 31,47 unequal: No Solution Exploring Operation: 72+41=113, Resulting Numbers: [113] 113,47 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 #0,1,1 Current State: 47:[40, 71], Operations: ['35+5=40', '72-1=71'] Exploring Operation: 40+71=111, Resulting Numbers: [111] 111,47 unequal: No Solution Exploring Operation: 71-40=31, Resulting Numbers: [31] 31,47 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: 47:[72, 41], Operations: ['35+1=36', '5+36=41'] Exploring Operation: 72-41=31, Resulting Numbers: [31] 31,47 unequal: No Solution Exploring Operation: 72+41=113, Resulting Numbers: [113] 113,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[36, 67], Operations: ['35+1=36', '72-5=67'] Exploring Operation: 67-36=31, Resulting Numbers: [31] 31,47 unequal: No Solution Exploring Operation: 36+67=103, Resulting Numbers: [103] 103,47 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 5, 89, 36, 62 ]
87
[ "36-5=31", "62/31=2", "89-2=87" ]
Current State: 87:[5, 89, 36, 62], Operations: [] Exploring Operation: 36-5=31, Resulting Numbers: [89, 62, 31] Generated Node #2: [89, 62, 31] from Operation: 36-5=31 Current State: 87:[89, 62, 31], Operations: ['36-5=31'] Exploring Operation: 62/31=2, Resulting Numbers: [89, 2] Generated Node #3: [89, 2] from Operation: 62/31=2 Current State: 87:[89, 2], Operations: ['36-5=31', '62/31=2'] Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[5, 89, 36, 62], Operations: [] Exploring Operation: 36-5=31, Resulting Numbers: [89, 62, 31] Generated Node #0,0: 87:[89, 62, 31] Operation: 36-5=31 Exploring Operation: 36+62=98, Resulting Numbers: [5, 89, 98] Generated Node #0,1: 87:[5, 89, 98] Operation: 36+62=98 Exploring Operation: 5+62=67, Resulting Numbers: [89, 36, 67] Generated Node #0,2: 87:[89, 36, 67] Operation: 5+62=67 Exploring Operation: 62-36=26, Resulting Numbers: [5, 89, 26] Generated Node #0,3: 87:[5, 89, 26] Operation: 62-36=26 Exploring Operation: 89-62=27, Resulting Numbers: [5, 36, 27] Generated Node #0,4: 87:[5, 36, 27] Operation: 89-62=27 Start Sub Search at level 1: Moving to Node #0,3 Current State: 87:[5, 89, 26], Operations: ['62-36=26'] Exploring Operation: 5+26=31, Resulting Numbers: [89, 31] Generated Node #0,3,0: 87:[89, 31] Operation: 5+26=31 Exploring Operation: 5+89=94, Resulting Numbers: [26, 94] Generated Node #0,3,1: 87:[26, 94] Operation: 5+89=94 Exploring Operation: 89-26=63, Resulting Numbers: [5, 63] Generated Node #0,3,2: 87:[5, 63] Operation: 89-26=63 Exploring Operation: 89-5=84, Resulting Numbers: [26, 84] Generated Node #0,3,3: 87:[26, 84] Operation: 89-5=84 Exploring Operation: 26-5=21, Resulting Numbers: [89, 21] Generated Node #0,3,4: 87:[89, 21] Operation: 26-5=21 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 87:[89, 31], Operations: ['62-36=26', '5+26=31'] Exploring Operation: 89*31=2759, Resulting Numbers: [2759] 2759,87 unequal: No Solution Exploring Operation: 89-31=58, Resulting Numbers: [58] 58,87 unequal: No Solution Exploring Operation: 89+31=120, Resulting Numbers: [120] 120,87 unequal: No Solution No 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: 87:[26, 84], Operations: ['62-36=26', '89-5=84'] Exploring Operation: 26*84=2184, Resulting Numbers: [2184] 2184,87 unequal: No Solution Exploring Operation: 26+84=110, Resulting Numbers: [110] 110,87 unequal: No Solution Exploring Operation: 84-26=58, Resulting Numbers: [58] 58,87 unequal: No Solution No 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: 87:[26, 94], Operations: ['62-36=26', '5+89=94'] Exploring Operation: 26+94=120, Resulting Numbers: [120] 120,87 unequal: No Solution Exploring Operation: 26*94=2444, Resulting Numbers: [2444] 2444,87 unequal: No Solution Exploring Operation: 94-26=68, Resulting Numbers: [68] 68,87 unequal: No Solution No 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: 87:[89, 21], Operations: ['62-36=26', '26-5=21'] Exploring Operation: 89-21=68, Resulting Numbers: [68] 68,87 unequal: No Solution Exploring Operation: 89*21=1869, Resulting Numbers: [1869] 1869,87 unequal: No Solution Exploring Operation: 89+21=110, Resulting Numbers: [110] 110,87 unequal: No Solution No 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: 87:[5, 63], Operations: ['62-36=26', '89-26=63'] Exploring Operation: 5+63=68, Resulting Numbers: [68] 68,87 unequal: No Solution Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,87 unequal: No Solution Exploring Operation: 5*63=315, Resulting Numbers: [315] 315,87 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: 87:[5, 36, 27], Operations: ['89-62=27'] Exploring Operation: 27-5=22, Resulting Numbers: [36, 22] Generated Node #0,4,0: 87:[36, 22] Operation: 27-5=22 Exploring Operation: 36-27=9, Resulting Numbers: [5, 9] Generated Node #0,4,1: 87:[5, 9] Operation: 36-27=9 Exploring Operation: 5+27=32, Resulting Numbers: [36, 32] Generated Node #0,4,2: 87:[36, 32] Operation: 5+27=32 Exploring Operation: 5+36=41, Resulting Numbers: [27, 41] Generated Node #0,4,3: 87:[27, 41] Operation: 5+36=41 Exploring Operation: 36-5=31, Resulting Numbers: [27, 31] Generated Node #0,4,4: 87:[27, 31] Operation: 36-5=31 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 87:[27, 31], Operations: ['89-62=27', '36-5=31'] Exploring Operation: 31-27=4, Resulting Numbers: [4] 4,87 unequal: No Solution Exploring Operation: 27+31=58, Resulting Numbers: [58] 58,87 unequal: No Solution Exploring Operation: 27*31=837, Resulting Numbers: [837] 837,87 unequal: No Solution No 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: 87:[5, 9], Operations: ['89-62=27', '36-27=9'] Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,87 unequal: No Solution Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,87 unequal: No Solution No 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: 87:[36, 32], Operations: ['89-62=27', '5+27=32'] Exploring Operation: 36+32=68, Resulting Numbers: [68] 68,87 unequal: No Solution Exploring Operation: 36*32=1152, Resulting Numbers: [1152] 1152,87 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,87 unequal: No Solution No 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: 87:[36, 22], Operations: ['89-62=27', '27-5=22'] Exploring Operation: 36*22=792, Resulting Numbers: [792] 792,87 unequal: No Solution Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 36+22=58, Resulting Numbers: [58] 58,87 unequal: No Solution No 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: 87:[27, 41], Operations: ['89-62=27', '5+36=41'] Exploring Operation: 27+41=68, Resulting Numbers: [68] 68,87 unequal: No Solution Exploring Operation: 41-27=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 27*41=1107, Resulting Numbers: [1107] 1107,87 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: 87:[5, 89, 98], Operations: ['36+62=98'] Exploring Operation: 5+89=94, Resulting Numbers: [98, 94] Generated Node #0,1,0: 87:[98, 94] Operation: 5+89=94 Exploring Operation: 5+98=103, Resulting Numbers: [89, 103] Generated Node #0,1,1: 87:[89, 103] Operation: 5+98=103 Exploring Operation: 98-89=9, Resulting Numbers: [5, 9] Generated Node #0,1,2: 87:[5, 9] Operation: 98-89=9 Exploring Operation: 89-5=84, Resulting Numbers: [98, 84] Generated Node #0,1,3: 87:[98, 84] Operation: 89-5=84 Exploring Operation: 98-5=93, Resulting Numbers: [89, 93] Generated Node #0,1,4: 87:[89, 93] Operation: 98-5=93 Moving to Node #0,1,2 Current State: 87:[5, 9], Operations: ['36+62=98', '98-89=9'] Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,87 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,87 unequal: No Solution Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,87 unequal: No Solution Moving to Node #0,1,4 Current State: 87:[89, 93], Operations: ['36+62=98', '98-5=93'] Exploring Operation: 89+93=182, Resulting Numbers: [182] 182,87 unequal: No Solution Exploring Operation: 89*93=8277, Resulting Numbers: [8277] 8277,87 unequal: No Solution Exploring Operation: 93-89=4, Resulting Numbers: [4] 4,87 unequal: No Solution Moving to Node #0,1,3 Current State: 87:[98, 84], Operations: ['36+62=98', '89-5=84'] Exploring Operation: 98-84=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 98+84=182, Resulting Numbers: [182] 182,87 unequal: No Solution Exploring Operation: 98*84=8232, Resulting Numbers: [8232] 8232,87 unequal: No Solution Moving to Node #0,1,0 Current State: 87:[98, 94], Operations: ['36+62=98', '5+89=94'] Exploring Operation: 98*94=9212, Resulting Numbers: [9212] 9212,87 unequal: No Solution Exploring Operation: 98+94=192, Resulting Numbers: [192] 192,87 unequal: No Solution Exploring Operation: 98-94=4, Resulting Numbers: [4] 4,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[89, 103], Operations: ['36+62=98', '5+98=103'] Exploring Operation: 89+103=192, Resulting Numbers: [192] 192,87 unequal: No Solution Exploring Operation: 89*103=9167, Resulting Numbers: [9167] 9167,87 unequal: No Solution Exploring Operation: 103-89=14, Resulting Numbers: [14] 14,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[89, 62, 31], Operations: ['36-5=31'] Exploring Operation: 62/31=2, Resulting Numbers: [89, 2] Generated Node #0,0,0: 87:[89, 2] Operation: 62/31=2 Exploring Operation: 89-31=58, Resulting Numbers: [62, 58] Generated Node #0,0,1: 87:[62, 58] Operation: 89-31=58 Exploring Operation: 62+31=93, Resulting Numbers: [89, 93] Generated Node #0,0,2: 87:[89, 93] Operation: 62+31=93 Exploring Operation: 89-62=27, Resulting Numbers: [31, 27] Generated Node #0,0,3: 87:[31, 27] Operation: 89-62=27 Exploring Operation: 62-31=31, Resulting Numbers: [89, 31] Generated Node #0,0,4: 87:[89, 31] Operation: 62-31=31 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[89, 2], Operations: ['36-5=31', '62/31=2'] Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[5, 89, 36, 62], Operations: [] Exploring Operation: 36-5=31, Resulting Numbers: [89, 62, 31] Generated Node #0,0: 87:[89, 62, 31] Operation: 36-5=31 Moving to Node #0,0 Current State: 87:[89, 62, 31], Operations: ['36-5=31'] Exploring Operation: 62/31=2, Resulting Numbers: [89, 2] Generated Node #0,0,0: 87:[89, 2] Operation: 62/31=2 Moving to Node #0,0,0 Current State: 87:[89, 2], Operations: ['36-5=31', '62/31=2'] Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.934896
hs_5
sum_heuristic
[ 60, 14, 38, 52 ]
44
[ "60-14=46", "38+52=90", "90-46=44" ]
Current State: 44:[60, 14, 38, 52], Operations: [] Exploring Operation: 60-14=46, Resulting Numbers: [38, 52, 46] Generated Node #2: [38, 52, 46] from Operation: 60-14=46 Current State: 44:[38, 52, 46], Operations: ['60-14=46'] Exploring Operation: 38+52=90, Resulting Numbers: [46, 90] Generated Node #3: [46, 90] from Operation: 38+52=90 Current State: 44:[46, 90], Operations: ['60-14=46', '38+52=90'] Exploring Operation: 90-46=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[60, 14, 38, 52], Operations: [] Exploring Operation: 60-52=8, Resulting Numbers: [14, 38, 8] Generated Node #0,0: 44:[14, 38, 8] Operation: 60-52=8 Exploring Operation: 60-14=46, Resulting Numbers: [38, 52, 46] Generated Node #0,1: 44:[38, 52, 46] Operation: 60-14=46 Exploring Operation: 60-38=22, Resulting Numbers: [14, 52, 22] Generated Node #0,2: 44:[14, 52, 22] Operation: 60-38=22 Exploring Operation: 52-38=14, Resulting Numbers: [60, 14, 14] Generated Node #0,3: 44:[60, 14, 14] Operation: 52-38=14 Exploring Operation: 38-14=24, Resulting Numbers: [60, 52, 24] Generated Node #0,4: 44:[60, 52, 24] Operation: 38-14=24 Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[14, 52, 22], Operations: ['60-38=22'] Exploring Operation: 14+52=66, Resulting Numbers: [22, 66] Generated Node #0,2,0: 44:[22, 66] Operation: 14+52=66 Exploring Operation: 52-22=30, Resulting Numbers: [14, 30] Generated Node #0,2,1: 44:[14, 30] Operation: 52-22=30 Exploring Operation: 14+22=36, Resulting Numbers: [52, 36] Generated Node #0,2,2: 44:[52, 36] Operation: 14+22=36 Exploring Operation: 52-14=38, Resulting Numbers: [22, 38] Generated Node #0,2,3: 44:[22, 38] Operation: 52-14=38 Exploring Operation: 22-14=8, Resulting Numbers: [52, 8] Generated Node #0,2,4: 44:[52, 8] Operation: 22-14=8 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 44:[22, 38], Operations: ['60-38=22', '52-14=38'] Exploring Operation: 22+38=60, Resulting Numbers: [60] 60,44 unequal: No Solution Exploring Operation: 22*38=836, Resulting Numbers: [836] 836,44 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,44 unequal: No Solution No 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: 44:[14, 30], Operations: ['60-38=22', '52-22=30'] Exploring Operation: 14*30=420, Resulting Numbers: [420] 420,44 unequal: No Solution Exploring Operation: 14+30=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[60, 14, 38, 52], Operations: [] Exploring Operation: 60-38=22, Resulting Numbers: [14, 52, 22] Generated Node #0,2: 44:[14, 52, 22] Operation: 60-38=22 Moving to Node #0,2 Current State: 44:[14, 52, 22], Operations: ['60-38=22'] Exploring Operation: 52-22=30, Resulting Numbers: [14, 30] Generated Node #0,2,1: 44:[14, 30] Operation: 52-22=30 Moving to Node #0,2,1 Current State: 44:[14, 30], Operations: ['60-38=22', '52-22=30'] Exploring Operation: 14+30=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 77, 76, 8, 60 ]
69
[ "77-76=1", "8+60=68", "1+68=69" ]
Current State: 69:[77, 76, 8, 60], Operations: [] Exploring Operation: 77-76=1, Resulting Numbers: [8, 60, 1] Generated Node #2: [8, 60, 1] from Operation: 77-76=1 Current State: 69:[8, 60, 1], Operations: ['77-76=1'] Exploring Operation: 8+60=68, Resulting Numbers: [1, 68] Generated Node #3: [1, 68] from Operation: 8+60=68 Current State: 69:[1, 68], Operations: ['77-76=1', '8+60=68'] Exploring Operation: 1+68=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[77, 76, 8, 60], Operations: [] Exploring Operation: 77-8=69, Resulting Numbers: [76, 60, 69] Generated Node #0,0: 69:[76, 60, 69] Operation: 77-8=69 Exploring Operation: 77-76=1, Resulting Numbers: [8, 60, 1] Generated Node #0,1: 69:[8, 60, 1] Operation: 77-76=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[76, 60, 69], Operations: ['77-8=69'] Exploring Operation: 76-60=16, Resulting Numbers: [69, 16] Generated Node #0,0,0: 69:[69, 16] Operation: 76-60=16 Exploring Operation: 76-69=7, Resulting Numbers: [60, 7] Generated Node #0,0,1: 69:[60, 7] Operation: 76-69=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[69, 16], Operations: ['77-8=69', '76-60=16'] Exploring Operation: 69+16=85, Resulting Numbers: [85] 85,69 unequal: No Solution Exploring Operation: 69-16=53, Resulting Numbers: [53] 53,69 unequal: No Solution No 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: 69:[60, 7], Operations: ['77-8=69', '76-69=7'] Exploring Operation: 60+7=67, Resulting Numbers: [67] 67,69 unequal: No Solution Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,69 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: 69:[8, 60, 1], Operations: ['77-76=1'] Exploring Operation: 8-1=7, Resulting Numbers: [60, 7] Generated Node #0,1,0: 69:[60, 7] Operation: 8-1=7 Exploring Operation: 8+60=68, Resulting Numbers: [1, 68] Generated Node #0,1,1: 69:[1, 68] Operation: 8+60=68 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 69:[1, 68], Operations: ['77-76=1', '8+60=68'] Exploring Operation: 1*68=68, Resulting Numbers: [68] 68,69 unequal: No Solution Exploring Operation: 1+68=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[77, 76, 8, 60], Operations: [] Exploring Operation: 77-76=1, Resulting Numbers: [8, 60, 1] Generated Node #0,1: 69:[8, 60, 1] Operation: 77-76=1 Moving to Node #0,1 Current State: 69:[8, 60, 1], Operations: ['77-76=1'] Exploring Operation: 8+60=68, Resulting Numbers: [1, 68] Generated Node #0,1,1: 69:[1, 68] Operation: 8+60=68 Moving to Node #0,1,1 Current State: 69:[1, 68], Operations: ['77-76=1', '8+60=68'] Exploring Operation: 1+68=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 66, 12, 2, 25 ]
58
[ "66-12=54", "54-25=29", "2*29=58" ]
Current State: 58:[66, 12, 2, 25], Operations: [] Exploring Operation: 66-12=54, Resulting Numbers: [2, 25, 54] Generated Node #2: [2, 25, 54] from Operation: 66-12=54 Current State: 58:[2, 25, 54], Operations: ['66-12=54'] Exploring Operation: 54-25=29, Resulting Numbers: [2, 29] Generated Node #3: [2, 29] from Operation: 54-25=29 Current State: 58:[2, 29], Operations: ['66-12=54', '54-25=29'] Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[66, 12, 2, 25], Operations: [] Exploring Operation: 12+25=37, Resulting Numbers: [66, 2, 37] Generated Node #0,0: 58:[66, 2, 37] Operation: 12+25=37 Exploring Operation: 66-12=54, Resulting Numbers: [2, 25, 54] Generated Node #0,1: 58:[2, 25, 54] Operation: 66-12=54 Exploring Operation: 12/2=6, Resulting Numbers: [66, 25, 6] Generated Node #0,2: 58:[66, 25, 6] Operation: 12/2=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[2, 25, 54], Operations: ['66-12=54'] Exploring Operation: 2+25=27, Resulting Numbers: [54, 27] Generated Node #0,1,0: 58:[54, 27] Operation: 2+25=27 Exploring Operation: 54-25=29, Resulting Numbers: [2, 29] Generated Node #0,1,1: 58:[2, 29] Operation: 54-25=29 Exploring Operation: 2+54=56, Resulting Numbers: [25, 56] Generated Node #0,1,2: 58:[25, 56] Operation: 2+54=56 Moving to Node #0,1,1 Current State: 58:[2, 29], Operations: ['66-12=54', '54-25=29'] Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[66, 12, 2, 25], Operations: [] Exploring Operation: 66-12=54, Resulting Numbers: [2, 25, 54] Generated Node #0,1: 58:[2, 25, 54] Operation: 66-12=54 Moving to Node #0,1 Current State: 58:[2, 25, 54], Operations: ['66-12=54'] Exploring Operation: 54-25=29, Resulting Numbers: [2, 29] Generated Node #0,1,1: 58:[2, 29] Operation: 54-25=29 Moving to Node #0,1,1 Current State: 58:[2, 29], Operations: ['66-12=54', '54-25=29'] Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 25, 46, 11, 10 ]
39
[ "25+46=71", "11*10=110", "110-71=39" ]
Current State: 39:[25, 46, 11, 10], Operations: [] Exploring Operation: 25+46=71, Resulting Numbers: [11, 10, 71] Generated Node #2: [11, 10, 71] from Operation: 25+46=71 Current State: 39:[11, 10, 71], Operations: ['25+46=71'] Exploring Operation: 11*10=110, Resulting Numbers: [71, 110] Generated Node #3: [71, 110] from Operation: 11*10=110 Current State: 39:[71, 110], Operations: ['25+46=71', '11*10=110'] Exploring Operation: 110-71=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[25, 46, 11, 10], Operations: [] Exploring Operation: 25+11=36, Resulting Numbers: [46, 10, 36] Generated Node #0,0: 39:[46, 10, 36] Operation: 25+11=36 Exploring Operation: 46-25=21, Resulting Numbers: [11, 10, 21] Generated Node #0,1: 39:[11, 10, 21] Operation: 46-25=21 Exploring Operation: 25-10=15, Resulting Numbers: [46, 11, 15] Generated Node #0,2: 39:[46, 11, 15] Operation: 25-10=15 Exploring Operation: 25-11=14, Resulting Numbers: [46, 10, 14] Generated Node #0,3: 39:[46, 10, 14] Operation: 25-11=14 Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[46, 11, 15], Operations: ['25-10=15'] Exploring Operation: 46-11=35, Resulting Numbers: [15, 35] Generated Node #0,2,0: 39:[15, 35] Operation: 46-11=35 Exploring Operation: 15-11=4, Resulting Numbers: [46, 4] Generated Node #0,2,1: 39:[46, 4] Operation: 15-11=4 Exploring Operation: 46-15=31, Resulting Numbers: [11, 31] Generated Node #0,2,2: 39:[11, 31] Operation: 46-15=31 Exploring Operation: 46+11=57, Resulting Numbers: [15, 57] Generated Node #0,2,3: 39:[15, 57] Operation: 46+11=57 Moving to Node #0,2,0 Current State: 39:[15, 35], Operations: ['25-10=15', '46-11=35'] Exploring Operation: 15+35=50, Resulting Numbers: [50] 50,39 unequal: No Solution Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,39 unequal: No Solution Exploring Operation: 15*35=525, Resulting Numbers: [525] 525,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[46, 4], Operations: ['25-10=15', '15-11=4'] Exploring Operation: 46*4=184, Resulting Numbers: [184] 184,39 unequal: No Solution Exploring Operation: 46+4=50, Resulting Numbers: [50] 50,39 unequal: No Solution Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[11, 31], Operations: ['25-10=15', '46-15=31'] Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,39 unequal: No Solution Exploring Operation: 11+31=42, Resulting Numbers: [42] 42,39 unequal: No Solution Exploring Operation: 11*31=341, Resulting Numbers: [341] 341,39 unequal: No Solution Moving to Node #0,2,3 Current State: 39:[15, 57], Operations: ['25-10=15', '46+11=57'] Exploring Operation: 15+57=72, Resulting Numbers: [72] 72,39 unequal: No Solution Exploring Operation: 57-15=42, Resulting Numbers: [42] 42,39 unequal: No Solution Exploring Operation: 15*57=855, Resulting Numbers: [855] 855,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 39:[46, 10, 14], Operations: ['25-11=14'] Exploring Operation: 46+10=56, Resulting Numbers: [14, 56] Generated Node #0,3,0: 39:[14, 56] Operation: 46+10=56 Exploring Operation: 46-14=32, Resulting Numbers: [10, 32] Generated Node #0,3,1: 39:[10, 32] Operation: 46-14=32 Exploring Operation: 46-10=36, Resulting Numbers: [14, 36] Generated Node #0,3,2: 39:[14, 36] Operation: 46-10=36 Exploring Operation: 14-10=4, Resulting Numbers: [46, 4] Generated Node #0,3,3: 39:[46, 4] Operation: 14-10=4 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 39:[14, 36], Operations: ['25-11=14', '46-10=36'] Exploring Operation: 14*36=504, Resulting Numbers: [504] 504,39 unequal: No Solution Exploring Operation: 14+36=50, Resulting Numbers: [50] 50,39 unequal: No Solution Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 39:[46, 4], Operations: ['25-11=14', '14-10=4'] Exploring Operation: 46+4=50, Resulting Numbers: [50] 50,39 unequal: No Solution Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,39 unequal: No Solution Exploring Operation: 46*4=184, Resulting Numbers: [184] 184,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 39:[10, 32], Operations: ['25-11=14', '46-14=32'] Exploring Operation: 10+32=42, Resulting Numbers: [42] 42,39 unequal: No Solution Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,39 unequal: No Solution Exploring Operation: 10*32=320, Resulting Numbers: [320] 320,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 39:[14, 56], Operations: ['25-11=14', '46+10=56'] Exploring Operation: 14+56=70, Resulting Numbers: [70] 70,39 unequal: No Solution Exploring Operation: 56/14=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 56-14=42, Resulting Numbers: [42] 42,39 unequal: No Solution Exploring Operation: 14*56=784, Resulting Numbers: [784] 784,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[46, 10, 36], Operations: ['25+11=36'] Exploring Operation: 46-36=10, Resulting Numbers: [10, 10] Generated Node #0,0,0: 39:[10, 10] Operation: 46-36=10 Exploring Operation: 46-10=36, Resulting Numbers: [36, 36] Generated Node #0,0,1: 39:[36, 36] Operation: 46-10=36 Exploring Operation: 46+10=56, Resulting Numbers: [36, 56] Generated Node #0,0,2: 39:[36, 56] Operation: 46+10=56 Exploring Operation: 10+36=46, Resulting Numbers: [46, 46] Generated Node #0,0,3: 39:[46, 46] Operation: 10+36=46 Moving to Node #0,0,0 Current State: 39:[10, 10], Operations: ['25+11=36', '46-36=10'] Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,39 unequal: No Solution Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[36, 36], Operations: ['25+11=36', '46-10=36'] Exploring Operation: 36/36=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 36+36=72, Resulting Numbers: [72] 72,39 unequal: No Solution Exploring Operation: 36-36=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 36*36=1296, Resulting Numbers: [1296] 1296,39 unequal: No Solution Moving to Node #0,0,3 Current State: 39:[46, 46], Operations: ['25+11=36', '10+36=46'] Exploring Operation: 46*46=2116, Resulting Numbers: [2116] 2116,39 unequal: No Solution Exploring Operation: 46/46=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 46-46=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 46+46=92, Resulting Numbers: [92] 92,39 unequal: No Solution Moving to Node #0,0,2 Current State: 39:[36, 56], Operations: ['25+11=36', '46+10=56'] Exploring Operation: 36*56=2016, Resulting Numbers: [2016] 2016,39 unequal: No Solution Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,39 unequal: No Solution Exploring Operation: 36+56=92, Resulting Numbers: [92] 92,39 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 #0,1 Current State: 39:[11, 10, 21], Operations: ['46-25=21'] Exploring Operation: 21-11=10, Resulting Numbers: [10, 10] Generated Node #0,1,0: 39:[10, 10] Operation: 21-11=10 Exploring Operation: 21-10=11, Resulting Numbers: [11, 11] Generated Node #0,1,1: 39:[11, 11] Operation: 21-10=11 Exploring Operation: 11-10=1, Resulting Numbers: [21, 1] Generated Node #0,1,2: 39:[21, 1] Operation: 11-10=1 Exploring Operation: 11+21=32, Resulting Numbers: [10, 32] Generated Node #0,1,3: 39:[10, 32] Operation: 11+21=32 Moving to Node #0,1,1 Current State: 39:[11, 11], Operations: ['46-25=21', '21-10=11'] Exploring Operation: 11-11=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 11/11=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 11+11=22, Resulting Numbers: [22] 22,39 unequal: No Solution Exploring Operation: 11*11=121, Resulting Numbers: [121] 121,39 unequal: No Solution Moving to Node #0,1,0 Current State: 39:[10, 10], Operations: ['46-25=21', '21-11=10'] Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,39 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,39 unequal: No Solution Moving to Node #0,1,3 Current State: 39:[10, 32], Operations: ['46-25=21', '11+21=32'] Exploring Operation: 10+32=42, Resulting Numbers: [42] 42,39 unequal: No Solution Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,39 unequal: No Solution Exploring Operation: 10*32=320, Resulting Numbers: [320] 320,39 unequal: No Solution Moving to Node #0,1,2 Current State: 39:[21, 1], Operations: ['46-25=21', '11-10=1'] Exploring Operation: 21+1=22, Resulting Numbers: [22] 22,39 unequal: No Solution Exploring Operation: 21*1=21, Resulting Numbers: [21] 21,39 unequal: No Solution Exploring Operation: 21/1=21, Resulting Numbers: [21] 21,39 unequal: No Solution Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 44, 11, 11, 16 ]
50
[ "44+11=55", "16-11=5", "55-5=50" ]
Current State: 50:[44, 11, 11, 16], Operations: [] Exploring Operation: 44+11=55, Resulting Numbers: [16, 55] Generated Node #2: [16, 55] from Operation: 44+11=55 Current State: 50:[16, 55], Operations: ['44+11=55'] Exploring Operation: 16-11=5, Resulting Numbers: [55, 5] Generated Node #3: [55, 5] from Operation: 16-11=5 Current State: 50:[55, 5], Operations: ['44+11=55', '16-11=5'] Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[44, 11, 11, 16], Operations: [] Exploring Operation: 44-16=28, Resulting Numbers: [11, 11, 28] Generated Node #0,0: 50:[11, 11, 28] Operation: 44-16=28 Moving to Node #0,0 Current State: 50:[11, 11, 28], Operations: ['44-16=28'] Exploring Operation: 11/11=1, Resulting Numbers: [28, 1] Generated Node #0,0,0: 50:[28, 1] Operation: 11/11=1 Moving to Node #0,0,0 Current State: 50:[28, 1], Operations: ['44-16=28', '11/11=1'] Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,50 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 34, 10, 68, 96 ]
84
[ "68/34=2", "96-10=86", "86-2=84" ]
Current State: 84:[34, 10, 68, 96], Operations: [] Exploring Operation: 68/34=2, Resulting Numbers: [10, 96, 2] Generated Node #2: [10, 96, 2] from Operation: 68/34=2 Current State: 84:[10, 96, 2], Operations: ['68/34=2'] Exploring Operation: 96-10=86, Resulting Numbers: [2, 86] Generated Node #3: [2, 86] from Operation: 96-10=86 Current State: 84:[2, 86], Operations: ['68/34=2', '96-10=86'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[34, 10, 68, 96], Operations: [] Exploring Operation: 96-68=28, Resulting Numbers: [34, 10, 28] Generated Node #0,0: 84:[34, 10, 28] Operation: 96-68=28 Exploring Operation: 68-34=34, Resulting Numbers: [10, 96, 34] Generated Node #0,1: 84:[10, 96, 34] Operation: 68-34=34 Exploring Operation: 68/34=2, Resulting Numbers: [10, 96, 2] Generated Node #0,2: 84:[10, 96, 2] Operation: 68/34=2 Moving to Node #0,0 Current State: 84:[34, 10, 28], Operations: ['96-68=28'] Exploring Operation: 34-10=24, Resulting Numbers: [28, 24] Generated Node #0,0,0: 84:[28, 24] Operation: 34-10=24 Exploring Operation: 34+10=44, Resulting Numbers: [28, 44] Generated Node #0,0,1: 84:[28, 44] Operation: 34+10=44 Exploring Operation: 34-28=6, Resulting Numbers: [10, 6] Generated Node #0,0,2: 84:[10, 6] Operation: 34-28=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[28, 44], Operations: ['96-68=28', '34+10=44'] Exploring Operation: 28+44=72, Resulting Numbers: [72] 72,84 unequal: No Solution Exploring Operation: 28*44=1232, Resulting Numbers: [1232] 1232,84 unequal: No Solution Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,84 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:[10, 6], Operations: ['96-68=28', '34-28=6'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,84 unequal: No Solution Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,84 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,84 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 #0,0,0 Current State: 84:[28, 24], Operations: ['96-68=28', '34-10=24'] Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,84 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,84 unequal: No Solution Exploring Operation: 28*24=672, Resulting Numbers: [672] 672,84 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:[10, 96, 2], Operations: ['68/34=2'] Exploring Operation: 10+2=12, Resulting Numbers: [96, 12] Generated Node #0,2,0: 84:[96, 12] Operation: 10+2=12 Exploring Operation: 96-10=86, Resulting Numbers: [2, 86] Generated Node #0,2,1: 84:[2, 86] Operation: 96-10=86 Exploring Operation: 96/2=48, Resulting Numbers: [10, 48] Generated Node #0,2,2: 84:[10, 48] Operation: 96/2=48 Moving to Node #0,1 Current State: 84:[10, 96, 34], Operations: ['68-34=34'] Exploring Operation: 10+34=44, Resulting Numbers: [96, 44] Generated Node #0,1,0: 84:[96, 44] Operation: 10+34=44 Exploring Operation: 96-10=86, Resulting Numbers: [34, 86] Generated Node #0,1,1: 84:[34, 86] Operation: 96-10=86 Exploring Operation: 34-10=24, Resulting Numbers: [96, 24] Generated Node #0,1,2: 84:[96, 24] Operation: 34-10=24 Moving to Node #0,2,1 Current State: 84:[2, 86], Operations: ['68/34=2', '96-10=86'] Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,84 unequal: No Solution Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[34, 10, 68, 96], Operations: [] Exploring Operation: 68/34=2, Resulting Numbers: [10, 96, 2] Generated Node #0,2: 84:[10, 96, 2] Operation: 68/34=2 Moving to Node #0,2 Current State: 84:[10, 96, 2], Operations: ['68/34=2'] Exploring Operation: 96-10=86, Resulting Numbers: [2, 86] Generated Node #0,2,1: 84:[2, 86] Operation: 96-10=86 Moving to Node #0,2,1 Current State: 84:[2, 86], Operations: ['68/34=2', '96-10=86'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
0.976563
hs_3
mult_heuristic
[ 81, 87, 90, 5 ]
89
[ "87-81=6", "90+5=95", "95-6=89" ]
Current State: 89:[81, 87, 90, 5], Operations: [] Exploring Operation: 87-81=6, Resulting Numbers: [90, 5, 6] Generated Node #2: [90, 5, 6] from Operation: 87-81=6 Current State: 89:[90, 5, 6], Operations: ['87-81=6'] Exploring Operation: 90+5=95, Resulting Numbers: [6, 95] Generated Node #3: [6, 95] from Operation: 90+5=95 Current State: 89:[6, 95], Operations: ['87-81=6', '90+5=95'] Exploring Operation: 95-6=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[81, 87, 90, 5], Operations: [] Exploring Operation: 87-5=82, Resulting Numbers: [81, 90, 82] Generated Node #0,0: 89:[81, 90, 82] Operation: 87-5=82 Exploring Operation: 90-5=85, Resulting Numbers: [81, 87, 85] Generated Node #0,1: 89:[81, 87, 85] Operation: 90-5=85 Exploring Operation: 81+5=86, Resulting Numbers: [87, 90, 86] Generated Node #0,2: 89:[87, 90, 86] Operation: 81+5=86 Exploring Operation: 87+5=92, Resulting Numbers: [81, 90, 92] Generated Node #0,3: 89:[81, 90, 92] Operation: 87+5=92 Exploring Operation: 81-5=76, Resulting Numbers: [87, 90, 76] Generated Node #0,4: 89:[87, 90, 76] Operation: 81-5=76 Moving to Node #0,2 Current State: 89:[87, 90, 86], Operations: ['81+5=86'] Exploring Operation: 90+86=176, Resulting Numbers: [87, 176] Generated Node #0,2,0: 89:[87, 176] Operation: 90+86=176 Exploring Operation: 90-87=3, Resulting Numbers: [86, 3] Generated Node #0,2,1: 89:[86, 3] Operation: 90-87=3 Exploring Operation: 90-86=4, Resulting Numbers: [87, 4] Generated Node #0,2,2: 89:[87, 4] Operation: 90-86=4 Exploring Operation: 87+86=173, Resulting Numbers: [90, 173] Generated Node #0,2,3: 89:[90, 173] Operation: 87+86=173 Exploring Operation: 87-86=1, Resulting Numbers: [90, 1] Generated Node #0,2,4: 89:[90, 1] Operation: 87-86=1 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 89:[90, 173], Operations: ['81+5=86', '87+86=173'] Exploring Operation: 90+173=263, Resulting Numbers: [263] 263,89 unequal: No Solution Exploring Operation: 173-90=83, Resulting Numbers: [83] 83,89 unequal: No Solution Exploring Operation: 90*173=15570, Resulting Numbers: [15570] 15570,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 89:[87, 4], Operations: ['81+5=86', '90-86=4'] Exploring Operation: 87-4=83, Resulting Numbers: [83] 83,89 unequal: No Solution Exploring Operation: 87+4=91, Resulting Numbers: [91] 91,89 unequal: No Solution Exploring Operation: 87*4=348, Resulting Numbers: [348] 348,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 89:[87, 176], Operations: ['81+5=86', '90+86=176'] Exploring Operation: 87+176=263, Resulting Numbers: [263] 263,89 unequal: No Solution Exploring Operation: 87*176=15312, Resulting Numbers: [15312] 15312,89 unequal: No Solution Exploring Operation: 176-87=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[81, 87, 90, 5], Operations: [] Exploring Operation: 81+5=86, Resulting Numbers: [87, 90, 86] Generated Node #0,2: 89:[87, 90, 86] Operation: 81+5=86 Moving to Node #0,2 Current State: 89:[87, 90, 86], Operations: ['81+5=86'] Exploring Operation: 90+86=176, Resulting Numbers: [87, 176] Generated Node #0,2,0: 89:[87, 176] Operation: 90+86=176 Moving to Node #0,2,0 Current State: 89:[87, 176], Operations: ['81+5=86', '90+86=176'] Exploring Operation: 176-87=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 79, 99, 43, 68 ]
67
[ "79+99=178", "43+68=111", "178-111=67" ]
Current State: 67:[79, 99, 43, 68], Operations: [] Exploring Operation: 79+99=178, Resulting Numbers: [43, 68, 178] Generated Node #2: [43, 68, 178] from Operation: 79+99=178 Current State: 67:[43, 68, 178], Operations: ['79+99=178'] Exploring Operation: 43+68=111, Resulting Numbers: [178, 111] Generated Node #3: [178, 111] from Operation: 43+68=111 Current State: 67:[178, 111], Operations: ['79+99=178', '43+68=111'] Exploring Operation: 178-111=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[79, 99, 43, 68], Operations: [] Exploring Operation: 99-43=56, Resulting Numbers: [79, 68, 56] Generated Node #0,0: 67:[79, 68, 56] Operation: 99-43=56 Moving to Node #0,0 Current State: 67:[79, 68, 56], Operations: ['99-43=56'] Exploring Operation: 79-56=23, Resulting Numbers: [68, 23] Generated Node #0,0,0: 67:[68, 23] Operation: 79-56=23 Moving to Node #0,0,0 Current State: 67:[68, 23], Operations: ['99-43=56', '79-56=23'] Exploring Operation: 68-23=45, Resulting Numbers: [45] 45,67 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 73, 59, 8, 28 ]
84
[ "73-59=14", "8*14=112", "112-28=84" ]
Current State: 84:[73, 59, 8, 28], Operations: [] Exploring Operation: 73-59=14, Resulting Numbers: [8, 28, 14] Generated Node #2: [8, 28, 14] from Operation: 73-59=14 Current State: 84:[8, 28, 14], Operations: ['73-59=14'] Exploring Operation: 8*14=112, Resulting Numbers: [28, 112] Generated Node #3: [28, 112] from Operation: 8*14=112 Current State: 84:[28, 112], Operations: ['73-59=14', '8*14=112'] Exploring Operation: 112-28=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[73, 59, 8, 28], Operations: [] Exploring Operation: 59+28=87, Resulting Numbers: [73, 8, 87] Generated Node #0,0: 84:[73, 8, 87] Operation: 59+28=87 Exploring Operation: 73-59=14, Resulting Numbers: [8, 28, 14] Generated Node #0,1: 84:[8, 28, 14] Operation: 73-59=14 Exploring Operation: 59-28=31, Resulting Numbers: [73, 8, 31] Generated Node #0,2: 84:[73, 8, 31] Operation: 59-28=31 Exploring Operation: 73+8=81, Resulting Numbers: [59, 28, 81] Generated Node #0,3: 84:[59, 28, 81] Operation: 73+8=81 Moving to Node #0,1 Current State: 84:[8, 28, 14], Operations: ['73-59=14'] Exploring Operation: 14-8=6, Resulting Numbers: [28, 6] Generated Node #0,1,0: 84:[28, 6] Operation: 14-8=6 Exploring Operation: 8+14=22, Resulting Numbers: [28, 22] Generated Node #0,1,1: 84:[28, 22] Operation: 8+14=22 Exploring Operation: 28-8=20, Resulting Numbers: [14, 20] Generated Node #0,1,2: 84:[14, 20] Operation: 28-8=20 Exploring Operation: 28+14=42, Resulting Numbers: [8, 42] Generated Node #0,1,3: 84:[8, 42] Operation: 28+14=42 Moving to Node #0,2 Current State: 84:[73, 8, 31], Operations: ['59-28=31'] Exploring Operation: 73+8=81, Resulting Numbers: [31, 81] Generated Node #0,2,0: 84:[31, 81] Operation: 73+8=81 Exploring Operation: 8+31=39, Resulting Numbers: [73, 39] Generated Node #0,2,1: 84:[73, 39] Operation: 8+31=39 Exploring Operation: 31-8=23, Resulting Numbers: [73, 23] Generated Node #0,2,2: 84:[73, 23] Operation: 31-8=23 Exploring Operation: 73-31=42, Resulting Numbers: [8, 42] Generated Node #0,2,3: 84:[8, 42] Operation: 73-31=42 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 84:[8, 42], Operations: ['59-28=31', '73-31=42'] Exploring Operation: 8*42=336, Resulting Numbers: [336] 336,84 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,84 unequal: No Solution Exploring Operation: 8+42=50, Resulting Numbers: [50] 50,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 84:[31, 81], Operations: ['59-28=31', '73+8=81'] Exploring Operation: 81-31=50, Resulting Numbers: [50] 50,84 unequal: No Solution Exploring Operation: 31+81=112, Resulting Numbers: [112] 112,84 unequal: No Solution Exploring Operation: 31*81=2511, Resulting Numbers: [2511] 2511,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 84:[73, 23], Operations: ['59-28=31', '31-8=23'] Exploring Operation: 73-23=50, Resulting Numbers: [50] 50,84 unequal: No Solution Exploring Operation: 73*23=1679, Resulting Numbers: [1679] 1679,84 unequal: No Solution Exploring Operation: 73+23=96, Resulting Numbers: [96] 96,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 84:[73, 39], Operations: ['59-28=31', '8+31=39'] Exploring Operation: 73*39=2847, Resulting Numbers: [2847] 2847,84 unequal: No Solution Exploring Operation: 73+39=112, Resulting Numbers: [112] 112,84 unequal: No Solution Exploring Operation: 73-39=34, Resulting Numbers: [34] 34,84 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: 84:[73, 8, 87], Operations: ['59+28=87'] Exploring Operation: 73+8=81, Resulting Numbers: [87, 81] Generated Node #0,0,0: 84:[87, 81] Operation: 73+8=81 Exploring Operation: 87-73=14, Resulting Numbers: [8, 14] Generated Node #0,0,1: 84:[8, 14] Operation: 87-73=14 Exploring Operation: 73-8=65, Resulting Numbers: [87, 65] Generated Node #0,0,2: 84:[87, 65] Operation: 73-8=65 Exploring Operation: 87-8=79, Resulting Numbers: [73, 79] Generated Node #0,0,3: 84:[73, 79] Operation: 87-8=79 Moving to Node #0,3 Current State: 84:[59, 28, 81], Operations: ['73+8=81'] Exploring Operation: 59-28=31, Resulting Numbers: [81, 31] Generated Node #0,3,0: 84:[81, 31] Operation: 59-28=31 Exploring Operation: 59+28=87, Resulting Numbers: [81, 87] Generated Node #0,3,1: 84:[81, 87] Operation: 59+28=87 Exploring Operation: 81-59=22, Resulting Numbers: [28, 22] Generated Node #0,3,2: 84:[28, 22] Operation: 81-59=22 Exploring Operation: 81-28=53, Resulting Numbers: [59, 53] Generated Node #0,3,3: 84:[59, 53] Operation: 81-28=53 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 84:[28, 22], Operations: ['73+8=81', '81-59=22'] Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,84 unequal: No Solution Exploring Operation: 28*22=616, Resulting Numbers: [616] 616,84 unequal: No Solution Exploring Operation: 28-22=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 #0,3,0 Current State: 84:[81, 31], Operations: ['73+8=81', '59-28=31'] Exploring Operation: 81+31=112, Resulting Numbers: [112] 112,84 unequal: No Solution Exploring Operation: 81-31=50, Resulting Numbers: [50] 50,84 unequal: No Solution Exploring Operation: 81*31=2511, Resulting Numbers: [2511] 2511,84 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 #0,3,1 Current State: 84:[81, 87], Operations: ['73+8=81', '59+28=87'] Exploring Operation: 81+87=168, Resulting Numbers: [168] 168,84 unequal: No Solution Exploring Operation: 87-81=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 81*87=7047, Resulting Numbers: [7047] 7047,84 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 #0,3,3 Current State: 84:[59, 53], Operations: ['73+8=81', '81-28=53'] Exploring Operation: 59-53=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 59*53=3127, Resulting Numbers: [3127] 3127,84 unequal: No Solution Exploring Operation: 59+53=112, Resulting Numbers: [112] 112,84 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: 84:[28, 6], Operations: ['73-59=14', '14-8=6'] Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,84 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,84 unequal: No Solution Exploring Operation: 28*6=168, Resulting Numbers: [168] 168,84 unequal: No Solution Moving to Node #0,1,2 Current State: 84:[14, 20], Operations: ['73-59=14', '28-8=20'] Exploring Operation: 14*20=280, Resulting Numbers: [280] 280,84 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 14+20=34, Resulting Numbers: [34] 34,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[28, 22], Operations: ['73-59=14', '8+14=22'] Exploring Operation: 28*22=616, Resulting Numbers: [616] 616,84 unequal: No Solution Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,84 unequal: No Solution Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,84 unequal: No Solution Moving to Node #0,0,1 Current State: 84:[8, 14], Operations: ['59+28=87', '87-73=14'] Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 8*14=112, Resulting Numbers: [112] 112,84 unequal: No Solution Exploring Operation: 8+14=22, Resulting Numbers: [22] 22,84 unequal: No Solution Moving to Node #0,1,3 Current State: 84:[8, 42], Operations: ['73-59=14', '28+14=42'] Exploring Operation: 8*42=336, Resulting Numbers: [336] 336,84 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,84 unequal: No Solution Exploring Operation: 8+42=50, Resulting Numbers: [50] 50,84 unequal: No Solution Moving to Node #0,0,0 Current State: 84:[87, 81], Operations: ['59+28=87', '73+8=81'] Exploring Operation: 87-81=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 87*81=7047, Resulting Numbers: [7047] 7047,84 unequal: No Solution Exploring Operation: 87+81=168, Resulting Numbers: [168] 168,84 unequal: No Solution Moving to Node #0,0,3 Current State: 84:[73, 79], Operations: ['59+28=87', '87-8=79'] Exploring Operation: 73+79=152, Resulting Numbers: [152] 152,84 unequal: No Solution Exploring Operation: 73*79=5767, Resulting Numbers: [5767] 5767,84 unequal: No Solution Exploring Operation: 79-73=6, Resulting Numbers: [6] 6,84 unequal: No Solution Moving to Node #0,0,2 Current State: 84:[87, 65], Operations: ['59+28=87', '73-8=65'] Exploring Operation: 87-65=22, Resulting Numbers: [22] 22,84 unequal: No Solution Exploring Operation: 87*65=5655, Resulting Numbers: [5655] 5655,84 unequal: No Solution Exploring Operation: 87+65=152, Resulting Numbers: [152] 152,84 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 5, 15, 12, 4 ]
92
[ "5+15=20", "4*20=80", "12+80=92" ]
Current State: 92:[5, 15, 12, 4], Operations: [] Exploring Operation: 5+15=20, Resulting Numbers: [12, 4, 20] Generated Node #2: [12, 4, 20] from Operation: 5+15=20 Current State: 92:[12, 4, 20], Operations: ['5+15=20'] Exploring Operation: 4*20=80, Resulting Numbers: [12, 80] Generated Node #3: [12, 80] from Operation: 4*20=80 Current State: 92:[12, 80], Operations: ['5+15=20', '4*20=80'] Exploring Operation: 12+80=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[5, 15, 12, 4], Operations: [] Exploring Operation: 15-12=3, Resulting Numbers: [5, 4, 3] Generated Node #0,0: 92:[5, 4, 3] Operation: 15-12=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[5, 4, 3], Operations: ['15-12=3'] Exploring Operation: 5-3=2, Resulting Numbers: [4, 2] Generated Node #0,0,0: 92:[4, 2] Operation: 5-3=2 Moving to Node #0,0,0 Current State: 92:[4, 2], Operations: ['15-12=3', '5-3=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,92 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
[ 27, 42, 90, 11 ]
32
[ "27+42=69", "90+11=101", "101-69=32" ]
Current State: 32:[27, 42, 90, 11], Operations: [] Exploring Operation: 27+42=69, Resulting Numbers: [90, 11, 69] Generated Node #2: [90, 11, 69] from Operation: 27+42=69 Current State: 32:[90, 11, 69], Operations: ['27+42=69'] Exploring Operation: 90+11=101, Resulting Numbers: [69, 101] Generated Node #3: [69, 101] from Operation: 90+11=101 Current State: 32:[69, 101], Operations: ['27+42=69', '90+11=101'] Exploring Operation: 101-69=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[27, 42, 90, 11], Operations: [] Exploring Operation: 90-27=63, Resulting Numbers: [42, 11, 63] Generated Node #0,0: 32:[42, 11, 63] Operation: 90-27=63 Exploring Operation: 90-42=48, Resulting Numbers: [27, 11, 48] Generated Node #0,1: 32:[27, 11, 48] Operation: 90-42=48 Moving to Node #0,1 Current State: 32:[27, 11, 48], Operations: ['90-42=48'] Exploring Operation: 48-27=21, Resulting Numbers: [11, 21] Generated Node #0,1,0: 32:[11, 21] Operation: 48-27=21 Exploring Operation: 48-11=37, Resulting Numbers: [27, 37] Generated Node #0,1,1: 32:[27, 37] Operation: 48-11=37 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 32:[11, 21], Operations: ['90-42=48', '48-27=21'] Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,32 unequal: No Solution Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[27, 42, 90, 11], Operations: [] Exploring Operation: 90-42=48, Resulting Numbers: [27, 11, 48] Generated Node #0,1: 32:[27, 11, 48] Operation: 90-42=48 Moving to Node #0,1 Current State: 32:[27, 11, 48], Operations: ['90-42=48'] Exploring Operation: 48-27=21, Resulting Numbers: [11, 21] Generated Node #0,1,0: 32:[11, 21] Operation: 48-27=21 Moving to Node #0,1,0 Current State: 32:[11, 21], Operations: ['90-42=48', '48-27=21'] Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 16, 76, 45, 5 ]
52
[ "16+76=92", "45-5=40", "92-40=52" ]
Current State: 52:[16, 76, 45, 5], Operations: [] Exploring Operation: 16+76=92, Resulting Numbers: [45, 5, 92] Generated Node #2: [45, 5, 92] from Operation: 16+76=92 Current State: 52:[45, 5, 92], Operations: ['16+76=92'] Exploring Operation: 45-5=40, Resulting Numbers: [92, 40] Generated Node #3: [92, 40] from Operation: 45-5=40 Current State: 52:[92, 40], Operations: ['16+76=92', '45-5=40'] Exploring Operation: 92-40=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[16, 76, 45, 5], Operations: [] Exploring Operation: 76-45=31, Resulting Numbers: [16, 5, 31] Generated Node #0,0: 52:[16, 5, 31] Operation: 76-45=31 Exploring Operation: 76-16=60, Resulting Numbers: [45, 5, 60] Generated Node #0,1: 52:[45, 5, 60] Operation: 76-16=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[16, 5, 31], Operations: ['76-45=31'] Exploring Operation: 31-5=26, Resulting Numbers: [16, 26] Generated Node #0,0,0: 52:[16, 26] Operation: 31-5=26 Exploring Operation: 31-16=15, Resulting Numbers: [5, 15] Generated Node #0,0,1: 52:[5, 15] Operation: 31-16=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[16, 26], Operations: ['76-45=31', '31-5=26'] Exploring Operation: 16+26=42, Resulting Numbers: [42] 42,52 unequal: No Solution Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 52:[5, 15], Operations: ['76-45=31', '31-16=15'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,52 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[45, 5, 60], Operations: ['76-16=60'] Exploring Operation: 60/5=12, Resulting Numbers: [45, 12] Generated Node #0,1,0: 52:[45, 12] Operation: 60/5=12 Exploring Operation: 60-45=15, Resulting Numbers: [5, 15] Generated Node #0,1,1: 52:[5, 15] Operation: 60-45=15 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 52:[5, 15], Operations: ['76-16=60', '60-45=15'] Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 52:[45, 12], Operations: ['76-16=60', '60/5=12'] Exploring Operation: 45+12=57, Resulting Numbers: [57] 57,52 unequal: No Solution Exploring Operation: 45-12=33, Resulting Numbers: [33] 33,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 49, 80, 5, 79 ]
22
[ "80-49=31", "79+31=110", "110/5=22" ]
Current State: 22:[49, 80, 5, 79], Operations: [] Exploring Operation: 80-49=31, Resulting Numbers: [5, 79, 31] Generated Node #2: [5, 79, 31] from Operation: 80-49=31 Current State: 22:[5, 79, 31], Operations: ['80-49=31'] Exploring Operation: 79+31=110, Resulting Numbers: [5, 110] Generated Node #3: [5, 110] from Operation: 79+31=110 Current State: 22:[5, 110], Operations: ['80-49=31', '79+31=110'] Exploring Operation: 110/5=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[49, 80, 5, 79], Operations: [] Exploring Operation: 80-79=1, Resulting Numbers: [49, 5, 1] Generated Node #0,0: 22:[49, 5, 1] Operation: 80-79=1 Exploring Operation: 80-49=31, Resulting Numbers: [5, 79, 31] Generated Node #0,1: 22:[5, 79, 31] Operation: 80-49=31 Moving to Node #0,0 Current State: 22:[49, 5, 1], Operations: ['80-79=1'] Exploring Operation: 49-1=48, Resulting Numbers: [5, 48] Generated Node #0,0,0: 22:[5, 48] Operation: 49-1=48 Exploring Operation: 49-5=44, Resulting Numbers: [1, 44] Generated Node #0,0,1: 22:[1, 44] Operation: 49-5=44 Moving to Node #0,1 Current State: 22:[5, 79, 31], Operations: ['80-49=31'] Exploring Operation: 79-5=74, Resulting Numbers: [31, 74] Generated Node #0,1,0: 22:[31, 74] Operation: 79-5=74 Exploring Operation: 79-31=48, Resulting Numbers: [5, 48] Generated Node #0,1,1: 22:[5, 48] Operation: 79-31=48 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 22:[5, 48], Operations: ['80-49=31', '79-31=48'] Exploring Operation: 5+48=53, Resulting Numbers: [53] 53,22 unequal: No Solution Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 22:[31, 74], Operations: ['80-49=31', '79-5=74'] Exploring Operation: 31+74=105, Resulting Numbers: [105] 105,22 unequal: No Solution Exploring Operation: 74-31=43, Resulting Numbers: [43] 43,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 22:[1, 44], Operations: ['80-79=1', '49-5=44'] Exploring Operation: 1*44=44, Resulting Numbers: [44] 44,22 unequal: No Solution Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,22 unequal: No Solution Moving to Node #0,0,0 Current State: 22:[5, 48], Operations: ['80-79=1', '49-1=48'] Exploring Operation: 5+48=53, Resulting Numbers: [53] 53,22 unequal: No Solution Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,22 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 18, 3, 93, 9 ]
88
[ "18/9=2", "93-3=90", "90-2=88" ]
Current State: 88:[18, 3, 93, 9], Operations: [] Exploring Operation: 18/9=2, Resulting Numbers: [3, 93, 2] Generated Node #2: [3, 93, 2] from Operation: 18/9=2 Current State: 88:[3, 93, 2], Operations: ['18/9=2'] Exploring Operation: 93-3=90, Resulting Numbers: [2, 90] Generated Node #3: [2, 90] from Operation: 93-3=90 Current State: 88:[2, 90], Operations: ['18/9=2', '93-3=90'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[18, 3, 93, 9], Operations: [] Exploring Operation: 18-9=9, Resulting Numbers: [3, 93, 9] Generated Node #0,0: 88:[3, 93, 9] Operation: 18-9=9 Exploring Operation: 18+3=21, Resulting Numbers: [93, 9, 21] Generated Node #0,1: 88:[93, 9, 21] Operation: 18+3=21 Exploring Operation: 18/9=2, Resulting Numbers: [3, 93, 2] Generated Node #0,2: 88:[3, 93, 2] Operation: 18/9=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 88:[3, 93, 2], Operations: ['18/9=2'] Exploring Operation: 93-3=90, Resulting Numbers: [2, 90] Generated Node #0,2,0: 88:[2, 90] Operation: 93-3=90 Exploring Operation: 93-2=91, Resulting Numbers: [3, 91] Generated Node #0,2,1: 88:[3, 91] Operation: 93-2=91 Exploring Operation: 3+2=5, Resulting Numbers: [93, 5] Generated Node #0,2,2: 88:[93, 5] Operation: 3+2=5 Moving to Node #0,2,0 Current State: 88:[2, 90], Operations: ['18/9=2', '93-3=90'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[18, 3, 93, 9], Operations: [] Exploring Operation: 18/9=2, Resulting Numbers: [3, 93, 2] Generated Node #0,2: 88:[3, 93, 2] Operation: 18/9=2 Moving to Node #0,2 Current State: 88:[3, 93, 2], Operations: ['18/9=2'] Exploring Operation: 93-3=90, Resulting Numbers: [2, 90] Generated Node #0,2,0: 88:[2, 90] Operation: 93-3=90 Moving to Node #0,2,0 Current State: 88:[2, 90], Operations: ['18/9=2', '93-3=90'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 67, 4, 42, 6 ]
90
[ "67*6=402", "402-42=360", "360/4=90" ]
Current State: 90:[67, 4, 42, 6], Operations: [] Exploring Operation: 67*6=402, Resulting Numbers: [4, 42, 402] Generated Node #2: [4, 42, 402] from Operation: 67*6=402 Current State: 90:[4, 42, 402], Operations: ['67*6=402'] Exploring Operation: 402-42=360, Resulting Numbers: [4, 360] Generated Node #3: [4, 360] from Operation: 402-42=360 Current State: 90:[4, 360], Operations: ['67*6=402', '402-42=360'] Exploring Operation: 360/4=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[67, 4, 42, 6], Operations: [] Exploring Operation: 67+6=73, Resulting Numbers: [4, 42, 73] Generated Node #0,0: 90:[4, 42, 73] Operation: 67+6=73 Exploring Operation: 67-6=61, Resulting Numbers: [4, 42, 61] Generated Node #0,1: 90:[4, 42, 61] Operation: 67-6=61 Exploring Operation: 67-4=63, Resulting Numbers: [42, 6, 63] Generated Node #0,2: 90:[42, 6, 63] Operation: 67-4=63 Exploring Operation: 67+42=109, Resulting Numbers: [4, 6, 109] Generated Node #0,3: 90:[4, 6, 109] Operation: 67+42=109 Exploring Operation: 67-42=25, Resulting Numbers: [4, 6, 25] Generated Node #0,4: 90:[4, 6, 25] Operation: 67-42=25 Start Sub Search at level 1: Moving to Node #0,4 Current State: 90:[4, 6, 25], Operations: ['67-42=25'] Exploring Operation: 4+6=10, Resulting Numbers: [25, 10] Generated Node #0,4,0: 90:[25, 10] Operation: 4+6=10 Exploring Operation: 6+25=31, Resulting Numbers: [4, 31] Generated Node #0,4,1: 90:[4, 31] Operation: 6+25=31 Exploring Operation: 25-6=19, Resulting Numbers: [4, 19] Generated Node #0,4,2: 90:[4, 19] Operation: 25-6=19 Exploring Operation: 4+25=29, Resulting Numbers: [6, 29] Generated Node #0,4,3: 90:[6, 29] Operation: 4+25=29 Exploring Operation: 25-4=21, Resulting Numbers: [6, 21] Generated Node #0,4,4: 90:[6, 21] Operation: 25-4=21 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 90:[6, 29], Operations: ['67-42=25', '4+25=29'] Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,90 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 90:[4, 31], Operations: ['67-42=25', '6+25=31'] Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,90 unequal: No Solution Exploring Operation: 4*31=124, Resulting Numbers: [124] 124,90 unequal: No Solution Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 90:[4, 19], Operations: ['67-42=25', '25-6=19'] Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,90 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,90 unequal: No Solution Exploring Operation: 4+19=23, Resulting Numbers: [23] 23,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 90:[6, 21], Operations: ['67-42=25', '25-4=21'] Exploring Operation: 6*21=126, Resulting Numbers: [126] 126,90 unequal: No Solution Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,90 unequal: No Solution Exploring Operation: 6+21=27, Resulting Numbers: [27] 27,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 90:[25, 10], Operations: ['67-42=25', '4+6=10'] Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,90 unequal: No Solution Exploring Operation: 25+10=35, Resulting Numbers: [35] 35,90 unequal: No Solution Exploring Operation: 25*10=250, Resulting Numbers: [250] 250,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[4, 42, 61], Operations: ['67-6=61'] Exploring Operation: 42-4=38, Resulting Numbers: [61, 38] Generated Node #0,1,0: 90:[61, 38] Operation: 42-4=38 Exploring Operation: 42+61=103, Resulting Numbers: [4, 103] Generated Node #0,1,1: 90:[4, 103] Operation: 42+61=103 Exploring Operation: 61-42=19, Resulting Numbers: [4, 19] Generated Node #0,1,2: 90:[4, 19] Operation: 61-42=19 Exploring Operation: 61-4=57, Resulting Numbers: [42, 57] Generated Node #0,1,3: 90:[42, 57] Operation: 61-4=57 Exploring Operation: 4+42=46, Resulting Numbers: [61, 46] Generated Node #0,1,4: 90:[61, 46] Operation: 4+42=46 Moving to Node #0,1,2 Current State: 90:[4, 19], Operations: ['67-6=61', '61-42=19'] Exploring Operation: 4+19=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,90 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[4, 103], Operations: ['67-6=61', '42+61=103'] Exploring Operation: 103-4=99, Resulting Numbers: [99] 99,90 unequal: No Solution Exploring Operation: 4+103=107, Resulting Numbers: [107] 107,90 unequal: No Solution Exploring Operation: 4*103=412, Resulting Numbers: [412] 412,90 unequal: No Solution Moving to Node #0,1,3 Current State: 90:[42, 57], Operations: ['67-6=61', '61-4=57'] Exploring Operation: 42*57=2394, Resulting Numbers: [2394] 2394,90 unequal: No Solution Exploring Operation: 57-42=15, Resulting Numbers: [15] 15,90 unequal: No Solution Exploring Operation: 42+57=99, Resulting Numbers: [99] 99,90 unequal: No Solution Moving to Node #0,1,4 Current State: 90:[61, 46], Operations: ['67-6=61', '4+42=46'] Exploring Operation: 61+46=107, Resulting Numbers: [107] 107,90 unequal: No Solution Exploring Operation: 61*46=2806, Resulting Numbers: [2806] 2806,90 unequal: No Solution Exploring Operation: 61-46=15, Resulting Numbers: [15] 15,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[61, 38], Operations: ['67-6=61', '42-4=38'] Exploring Operation: 61+38=99, Resulting Numbers: [99] 99,90 unequal: No Solution Exploring Operation: 61*38=2318, Resulting Numbers: [2318] 2318,90 unequal: No Solution Exploring Operation: 61-38=23, Resulting Numbers: [23] 23,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[4, 6, 109], Operations: ['67+42=109'] Exploring Operation: 4+109=113, Resulting Numbers: [6, 113] Generated Node #0,3,0: 90:[6, 113] Operation: 4+109=113 Exploring Operation: 6-4=2, Resulting Numbers: [109, 2] Generated Node #0,3,1: 90:[109, 2] Operation: 6-4=2 Exploring Operation: 4+6=10, Resulting Numbers: [109, 10] Generated Node #0,3,2: 90:[109, 10] Operation: 4+6=10 Exploring Operation: 109-4=105, Resulting Numbers: [6, 105] Generated Node #0,3,3: 90:[6, 105] Operation: 109-4=105 Exploring Operation: 109-6=103, Resulting Numbers: [4, 103] Generated Node #0,3,4: 90:[4, 103] Operation: 109-6=103 Moving to Node #0,3,4 Current State: 90:[4, 103], Operations: ['67+42=109', '109-6=103'] Exploring Operation: 103-4=99, Resulting Numbers: [99] 99,90 unequal: No Solution Exploring Operation: 4*103=412, Resulting Numbers: [412] 412,90 unequal: No Solution Exploring Operation: 4+103=107, Resulting Numbers: [107] 107,90 unequal: No Solution Moving to Node #0,3,3 Current State: 90:[6, 105], Operations: ['67+42=109', '109-4=105'] Exploring Operation: 6+105=111, Resulting Numbers: [111] 111,90 unequal: No Solution Exploring Operation: 6*105=630, Resulting Numbers: [630] 630,90 unequal: No Solution Exploring Operation: 105-6=99, Resulting Numbers: [99] 99,90 unequal: No Solution Moving to Node #0,3,1 Current State: 90:[109, 2], Operations: ['67+42=109', '6-4=2'] Exploring Operation: 109-2=107, Resulting Numbers: [107] 107,90 unequal: No Solution Exploring Operation: 109+2=111, Resulting Numbers: [111] 111,90 unequal: No Solution Exploring Operation: 109*2=218, Resulting Numbers: [218] 218,90 unequal: No Solution Moving to Node #0,3,2 Current State: 90:[109, 10], Operations: ['67+42=109', '4+6=10'] Exploring Operation: 109*10=1090, Resulting Numbers: [1090] 1090,90 unequal: No Solution Exploring Operation: 109-10=99, Resulting Numbers: [99] 99,90 unequal: No Solution Exploring Operation: 109+10=119, Resulting Numbers: [119] 119,90 unequal: No Solution Moving to Node #0,3,0 Current State: 90:[6, 113], Operations: ['67+42=109', '4+109=113'] Exploring Operation: 113-6=107, Resulting Numbers: [107] 107,90 unequal: No Solution Exploring Operation: 6+113=119, Resulting Numbers: [119] 119,90 unequal: No Solution Exploring Operation: 6*113=678, Resulting Numbers: [678] 678,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[4, 42, 73], Operations: ['67+6=73'] Exploring Operation: 73-42=31, Resulting Numbers: [4, 31] Generated Node #0,0,0: 90:[4, 31] Operation: 73-42=31 Exploring Operation: 73-4=69, Resulting Numbers: [42, 69] Generated Node #0,0,1: 90:[42, 69] Operation: 73-4=69 Exploring Operation: 4+42=46, Resulting Numbers: [73, 46] Generated Node #0,0,2: 90:[73, 46] Operation: 4+42=46 Exploring Operation: 4+73=77, Resulting Numbers: [42, 77] Generated Node #0,0,3: 90:[42, 77] Operation: 4+73=77 Exploring Operation: 42-4=38, Resulting Numbers: [73, 38] Generated Node #0,0,4: 90:[73, 38] Operation: 42-4=38 Moving to Node #0,0,0 Current State: 90:[4, 31], Operations: ['67+6=73', '73-42=31'] Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,90 unequal: No Solution Exploring Operation: 4*31=124, Resulting Numbers: [124] 124,90 unequal: No Solution Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,90 unequal: No Solution Moving to Node #0,0,3 Current State: 90:[42, 77], Operations: ['67+6=73', '4+73=77'] Exploring Operation: 42+77=119, Resulting Numbers: [119] 119,90 unequal: No Solution Exploring Operation: 42*77=3234, Resulting Numbers: [3234] 3234,90 unequal: No Solution Exploring Operation: 77-42=35, Resulting Numbers: [35] 35,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[73, 46], Operations: ['67+6=73', '4+42=46'] Exploring Operation: 73-46=27, Resulting Numbers: [27] 27,90 unequal: No Solution Exploring Operation: 73*46=3358, Resulting Numbers: [3358] 3358,90 unequal: No Solution Exploring Operation: 73+46=119, Resulting Numbers: [119] 119,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[42, 69], Operations: ['67+6=73', '73-4=69'] Exploring Operation: 69-42=27, Resulting Numbers: [27] 27,90 unequal: No Solution Exploring Operation: 42+69=111, Resulting Numbers: [111] 111,90 unequal: No Solution Exploring Operation: 42*69=2898, Resulting Numbers: [2898] 2898,90 unequal: No Solution Moving to Node #0,0,4 Current State: 90:[73, 38], Operations: ['67+6=73', '42-4=38'] Exploring Operation: 73*38=2774, Resulting Numbers: [2774] 2774,90 unequal: No Solution Exploring Operation: 73+38=111, Resulting Numbers: [111] 111,90 unequal: No Solution Exploring Operation: 73-38=35, Resulting Numbers: [35] 35,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[42, 6, 63], Operations: ['67-4=63'] Exploring Operation: 42+6=48, Resulting Numbers: [63, 48] Generated Node #0,2,0: 90:[63, 48] Operation: 42+6=48 Exploring Operation: 42+63=105, Resulting Numbers: [6, 105] Generated Node #0,2,1: 90:[6, 105] Operation: 42+63=105 Exploring Operation: 63-6=57, Resulting Numbers: [42, 57] Generated Node #0,2,2: 90:[42, 57] Operation: 63-6=57 Exploring Operation: 42/6=7, Resulting Numbers: [63, 7] Generated Node #0,2,3: 90:[63, 7] Operation: 42/6=7 Exploring Operation: 63-42=21, Resulting Numbers: [6, 21] Generated Node #0,2,4: 90:[6, 21] Operation: 63-42=21 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 90:[6, 21], Operations: ['67-4=63', '63-42=21'] Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,90 unequal: No Solution Exploring Operation: 6+21=27, Resulting Numbers: [27] 27,90 unequal: No Solution Exploring Operation: 6*21=126, Resulting Numbers: [126] 126,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 90:[6, 105], Operations: ['67-4=63', '42+63=105'] Exploring Operation: 6*105=630, Resulting Numbers: [630] 630,90 unequal: No Solution Exploring Operation: 6+105=111, Resulting Numbers: [111] 111,90 unequal: No Solution Exploring Operation: 105-6=99, Resulting Numbers: [99] 99,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 90:[42, 57], Operations: ['67-4=63', '63-6=57'] Exploring Operation: 42*57=2394, Resulting Numbers: [2394] 2394,90 unequal: No Solution Exploring Operation: 57-42=15, Resulting Numbers: [15] 15,90 unequal: No Solution Exploring Operation: 42+57=99, Resulting Numbers: [99] 99,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 90:[63, 7], Operations: ['67-4=63', '42/6=7'] Exploring Operation: 63+7=70, Resulting Numbers: [70] 70,90 unequal: No Solution Exploring Operation: 63*7=441, Resulting Numbers: [441] 441,90 unequal: No Solution Exploring Operation: 63-7=56, Resulting Numbers: [56] 56,90 unequal: No Solution Exploring Operation: 63/7=9, Resulting Numbers: [9] 9,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 90:[63, 48], Operations: ['67-4=63', '42+6=48'] Exploring Operation: 63+48=111, Resulting Numbers: [111] 111,90 unequal: No Solution Exploring Operation: 63*48=3024, Resulting Numbers: [3024] 3024,90 unequal: No Solution Exploring Operation: 63-48=15, Resulting Numbers: [15] 15,90 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_5
mult_heuristic
[ 16, 50, 20, 10 ]
37
[ "16*20=320", "50+320=370", "370/10=37" ]
Current State: 37:[16, 50, 20, 10], Operations: [] Exploring Operation: 16*20=320, Resulting Numbers: [50, 10, 320] Generated Node #2: [50, 10, 320] from Operation: 16*20=320 Current State: 37:[50, 10, 320], Operations: ['16*20=320'] Exploring Operation: 50+320=370, Resulting Numbers: [10, 370] Generated Node #3: [10, 370] from Operation: 50+320=370 Current State: 37:[10, 370], Operations: ['16*20=320', '50+320=370'] Exploring Operation: 370/10=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[16, 50, 20, 10], Operations: [] Exploring Operation: 16+20=36, Resulting Numbers: [50, 10, 36] Generated Node #0,0: 37:[50, 10, 36] Operation: 16+20=36 Exploring Operation: 16+10=26, Resulting Numbers: [50, 20, 26] Generated Node #0,1: 37:[50, 20, 26] Operation: 16+10=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[50, 10, 36], Operations: ['16+20=36'] Exploring Operation: 10+36=46, Resulting Numbers: [50, 46] Generated Node #0,0,0: 37:[50, 46] Operation: 10+36=46 Exploring Operation: 50-10=40, Resulting Numbers: [36, 40] Generated Node #0,0,1: 37:[36, 40] Operation: 50-10=40 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 37:[36, 40], Operations: ['16+20=36', '50-10=40'] Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,37 unequal: No Solution Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[50, 46], Operations: ['16+20=36', '10+36=46'] Exploring Operation: 50-46=4, Resulting Numbers: [4] 4,37 unequal: No Solution Exploring Operation: 50+46=96, Resulting Numbers: [96] 96,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[50, 20, 26], Operations: ['16+10=26'] Exploring Operation: 20+26=46, Resulting Numbers: [50, 46] Generated Node #0,1,0: 37:[50, 46] Operation: 20+26=46 Exploring Operation: 50-20=30, Resulting Numbers: [26, 30] Generated Node #0,1,1: 37:[26, 30] Operation: 50-20=30 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 37:[26, 30], Operations: ['16+10=26', '50-20=30'] Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,37 unequal: No Solution Exploring Operation: 26+30=56, Resulting Numbers: [56] 56,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 37:[50, 46], Operations: ['16+10=26', '20+26=46'] Exploring Operation: 50+46=96, Resulting Numbers: [96] 96,37 unequal: No Solution Exploring Operation: 50-46=4, Resulting Numbers: [4] 4,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 57, 9, 56, 50 ]
42
[ "57-9=48", "56-50=6", "48-6=42" ]
Current State: 42:[57, 9, 56, 50], Operations: [] Exploring Operation: 57-9=48, Resulting Numbers: [56, 50, 48] Generated Node #2: [56, 50, 48] from Operation: 57-9=48 Current State: 42:[56, 50, 48], Operations: ['57-9=48'] Exploring Operation: 56-50=6, Resulting Numbers: [48, 6] Generated Node #3: [48, 6] from Operation: 56-50=6 Current State: 42:[48, 6], Operations: ['57-9=48', '56-50=6'] Exploring Operation: 48-6=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[57, 9, 56, 50], Operations: [] Exploring Operation: 57-50=7, Resulting Numbers: [9, 56, 7] Generated Node #0,0: 42:[9, 56, 7] Operation: 57-50=7 Exploring Operation: 57-56=1, Resulting Numbers: [9, 50, 1] Generated Node #0,1: 42:[9, 50, 1] Operation: 57-56=1 Exploring Operation: 56-50=6, Resulting Numbers: [57, 9, 6] Generated Node #0,2: 42:[57, 9, 6] Operation: 56-50=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[9, 50, 1], Operations: ['57-56=1'] Exploring Operation: 50-9=41, Resulting Numbers: [1, 41] Generated Node #0,1,0: 42:[1, 41] Operation: 50-9=41 Exploring Operation: 50-1=49, Resulting Numbers: [9, 49] Generated Node #0,1,1: 42:[9, 49] Operation: 50-1=49 Exploring Operation: 9-1=8, Resulting Numbers: [50, 8] Generated Node #0,1,2: 42:[50, 8] Operation: 9-1=8 Moving to Node #0,1,0 Current State: 42:[1, 41], Operations: ['57-56=1', '50-9=41'] Exploring Operation: 1+41=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[57, 9, 56, 50], Operations: [] Exploring Operation: 57-56=1, Resulting Numbers: [9, 50, 1] Generated Node #0,1: 42:[9, 50, 1] Operation: 57-56=1 Moving to Node #0,1 Current State: 42:[9, 50, 1], Operations: ['57-56=1'] Exploring Operation: 50-9=41, Resulting Numbers: [1, 41] Generated Node #0,1,0: 42:[1, 41] Operation: 50-9=41 Moving to Node #0,1,0 Current State: 42:[1, 41], Operations: ['57-56=1', '50-9=41'] Exploring Operation: 1+41=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 38, 62, 75, 98 ]
47
[ "62-38=24", "98-75=23", "24+23=47" ]
Current State: 47:[38, 62, 75, 98], Operations: [] Exploring Operation: 62-38=24, Resulting Numbers: [75, 98, 24] Generated Node #2: [75, 98, 24] from Operation: 62-38=24 Current State: 47:[75, 98, 24], Operations: ['62-38=24'] Exploring Operation: 98-75=23, Resulting Numbers: [24, 23] Generated Node #3: [24, 23] from Operation: 98-75=23 Current State: 47:[24, 23], Operations: ['62-38=24', '98-75=23'] Exploring Operation: 24+23=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[38, 62, 75, 98], Operations: [] Exploring Operation: 75-38=37, Resulting Numbers: [62, 98, 37] Generated Node #0,0: 47:[62, 98, 37] Operation: 75-38=37 Exploring Operation: 98-75=23, Resulting Numbers: [38, 62, 23] Generated Node #0,1: 47:[38, 62, 23] Operation: 98-75=23 Exploring Operation: 98-62=36, Resulting Numbers: [38, 75, 36] Generated Node #0,2: 47:[38, 75, 36] Operation: 98-62=36 Exploring Operation: 98-38=60, Resulting Numbers: [62, 75, 60] Generated Node #0,3: 47:[62, 75, 60] Operation: 98-38=60 Moving to Node #0,1 Current State: 47:[38, 62, 23], Operations: ['98-75=23'] Exploring Operation: 62-23=39, Resulting Numbers: [38, 39] Generated Node #0,1,0: 47:[38, 39] Operation: 62-23=39 Exploring Operation: 38+23=61, Resulting Numbers: [62, 61] Generated Node #0,1,1: 47:[62, 61] Operation: 38+23=61 Exploring Operation: 38-23=15, Resulting Numbers: [62, 15] Generated Node #0,1,2: 47:[62, 15] Operation: 38-23=15 Exploring Operation: 62-38=24, Resulting Numbers: [23, 24] Generated Node #0,1,3: 47:[23, 24] Operation: 62-38=24 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 47:[38, 39], Operations: ['98-75=23', '62-23=39'] Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,47 unequal: No Solution Exploring Operation: 38*39=1482, Resulting Numbers: [1482] 1482,47 unequal: No Solution Exploring Operation: 38+39=77, Resulting Numbers: [77] 77,47 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 #0,1,1 Current State: 47:[62, 61], Operations: ['98-75=23', '38+23=61'] Exploring Operation: 62*61=3782, Resulting Numbers: [3782] 3782,47 unequal: No Solution Exploring Operation: 62+61=123, Resulting Numbers: [123] 123,47 unequal: No Solution Exploring Operation: 62-61=1, Resulting Numbers: [1] 1,47 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 #0,1,2 Current State: 47:[62, 15], Operations: ['98-75=23', '38-23=15'] Exploring Operation: 62-15=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[38, 62, 75, 98], Operations: [] Exploring Operation: 98-75=23, Resulting Numbers: [38, 62, 23] Generated Node #0,1: 47:[38, 62, 23] Operation: 98-75=23 Moving to Node #0,1 Current State: 47:[38, 62, 23], Operations: ['98-75=23'] Exploring Operation: 38-23=15, Resulting Numbers: [62, 15] Generated Node #0,1,2: 47:[62, 15] Operation: 38-23=15 Moving to Node #0,1,2 Current State: 47:[62, 15], Operations: ['98-75=23', '38-23=15'] Exploring Operation: 62-15=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 43, 76, 25, 80 ]
22
[ "76-43=33", "80-25=55", "55-33=22" ]
Current State: 22:[43, 76, 25, 80], Operations: [] Exploring Operation: 76-43=33, Resulting Numbers: [25, 80, 33] Generated Node #2: [25, 80, 33] from Operation: 76-43=33 Current State: 22:[25, 80, 33], Operations: ['76-43=33'] Exploring Operation: 80-25=55, Resulting Numbers: [33, 55] Generated Node #3: [33, 55] from Operation: 80-25=55 Current State: 22:[33, 55], Operations: ['76-43=33', '80-25=55'] Exploring Operation: 55-33=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[43, 76, 25, 80], Operations: [] Exploring Operation: 80-43=37, Resulting Numbers: [76, 25, 37] Generated Node #0,0: 22:[76, 25, 37] Operation: 80-43=37 Exploring Operation: 76-43=33, Resulting Numbers: [25, 80, 33] Generated Node #0,1: 22:[25, 80, 33] Operation: 76-43=33 Exploring Operation: 80-76=4, Resulting Numbers: [43, 25, 4] Generated Node #0,2: 22:[43, 25, 4] Operation: 80-76=4 Moving to Node #0,2 Current State: 22:[43, 25, 4], Operations: ['80-76=4'] Exploring Operation: 43-25=18, Resulting Numbers: [4, 18] Generated Node #0,2,0: 22:[4, 18] Operation: 43-25=18 Exploring Operation: 43-4=39, Resulting Numbers: [25, 39] Generated Node #0,2,1: 22:[25, 39] Operation: 43-4=39 Exploring Operation: 25-4=21, Resulting Numbers: [43, 21] Generated Node #0,2,2: 22:[43, 21] Operation: 25-4=21 Moving to Node #0,0 Current State: 22:[76, 25, 37], Operations: ['80-43=37'] Exploring Operation: 76-37=39, Resulting Numbers: [25, 39] Generated Node #0,0,0: 22:[25, 39] Operation: 76-37=39 Exploring Operation: 37-25=12, Resulting Numbers: [76, 12] Generated Node #0,0,1: 22:[76, 12] Operation: 37-25=12 Exploring Operation: 76-25=51, Resulting Numbers: [37, 51] Generated Node #0,0,2: 22:[37, 51] Operation: 76-25=51 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[25, 39], Operations: ['80-43=37', '76-37=39'] Exploring Operation: 25*39=975, Resulting Numbers: [975] 975,22 unequal: No Solution Exploring Operation: 25+39=64, Resulting Numbers: [64] 64,22 unequal: No Solution Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 22:[37, 51], Operations: ['80-43=37', '76-25=51'] Exploring Operation: 37*51=1887, Resulting Numbers: [1887] 1887,22 unequal: No Solution Exploring Operation: 37+51=88, Resulting Numbers: [88] 88,22 unequal: No Solution Exploring Operation: 51-37=14, Resulting Numbers: [14] 14,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 22:[76, 12], Operations: ['80-43=37', '37-25=12'] Exploring Operation: 76-12=64, Resulting Numbers: [64] 64,22 unequal: No Solution Exploring Operation: 76*12=912, Resulting Numbers: [912] 912,22 unequal: No Solution Exploring Operation: 76+12=88, Resulting Numbers: [88] 88,22 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: 22:[25, 80, 33], Operations: ['76-43=33'] Exploring Operation: 33-25=8, Resulting Numbers: [80, 8] Generated Node #0,1,0: 22:[80, 8] Operation: 33-25=8 Exploring Operation: 80-33=47, Resulting Numbers: [25, 47] Generated Node #0,1,1: 22:[25, 47] Operation: 80-33=47 Exploring Operation: 80-25=55, Resulting Numbers: [33, 55] Generated Node #0,1,2: 22:[33, 55] Operation: 80-25=55 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 22:[25, 47], Operations: ['76-43=33', '80-33=47'] Exploring Operation: 25*47=1175, Resulting Numbers: [1175] 1175,22 unequal: No Solution Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[43, 76, 25, 80], Operations: [] Exploring Operation: 76-43=33, Resulting Numbers: [25, 80, 33] Generated Node #0,1: 22:[25, 80, 33] Operation: 76-43=33 Moving to Node #0,1 Current State: 22:[25, 80, 33], Operations: ['76-43=33'] Exploring Operation: 80-33=47, Resulting Numbers: [25, 47] Generated Node #0,1,1: 22:[25, 47] Operation: 80-33=47 Moving to Node #0,1,1 Current State: 22:[25, 47], Operations: ['76-43=33', '80-33=47'] Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
mult_heuristic
[ 71, 54, 65, 46 ]
36
[ "71-54=17", "65-46=19", "17+19=36" ]
Current State: 36:[71, 54, 65, 46], Operations: [] Exploring Operation: 71-54=17, Resulting Numbers: [65, 46, 17] Generated Node #2: [65, 46, 17] from Operation: 71-54=17 Current State: 36:[65, 46, 17], Operations: ['71-54=17'] Exploring Operation: 65-46=19, Resulting Numbers: [17, 19] Generated Node #3: [17, 19] from Operation: 65-46=19 Current State: 36:[17, 19], Operations: ['71-54=17', '65-46=19'] Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[71, 54, 65, 46], Operations: [] Exploring Operation: 71-54=17, Resulting Numbers: [65, 46, 17] Generated Node #0,0: 36:[65, 46, 17] Operation: 71-54=17 Exploring Operation: 71-65=6, Resulting Numbers: [54, 46, 6] Generated Node #0,1: 36:[54, 46, 6] Operation: 71-65=6 Moving to Node #0,1 Current State: 36:[54, 46, 6], Operations: ['71-65=6'] Exploring Operation: 54-46=8, Resulting Numbers: [6, 8] Generated Node #0,1,0: 36:[6, 8] Operation: 54-46=8 Exploring Operation: 54/6=9, Resulting Numbers: [46, 9] Generated Node #0,1,1: 36:[46, 9] Operation: 54/6=9 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 36:[6, 8], Operations: ['71-65=6', '54-46=8'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 6+8=14, Resulting Numbers: [14] 14,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 36:[46, 9], Operations: ['71-65=6', '54/6=9'] Exploring Operation: 46+9=55, Resulting Numbers: [55] 55,36 unequal: No Solution Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,36 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: 36:[65, 46, 17], Operations: ['71-54=17'] Exploring Operation: 65-46=19, Resulting Numbers: [17, 19] Generated Node #0,0,0: 36:[17, 19] Operation: 65-46=19 Exploring Operation: 65-17=48, Resulting Numbers: [46, 48] Generated Node #0,0,1: 36:[46, 48] Operation: 65-17=48 Moving to Node #0,0,0 Current State: 36:[17, 19], Operations: ['71-54=17', '65-46=19'] Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[71, 54, 65, 46], Operations: [] Exploring Operation: 71-54=17, Resulting Numbers: [65, 46, 17] Generated Node #0,0: 36:[65, 46, 17] Operation: 71-54=17 Moving to Node #0,0 Current State: 36:[65, 46, 17], Operations: ['71-54=17'] Exploring Operation: 65-46=19, Resulting Numbers: [17, 19] Generated Node #0,0,0: 36:[17, 19] Operation: 65-46=19 Moving to Node #0,0,0 Current State: 36:[17, 19], Operations: ['71-54=17', '65-46=19'] Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 76, 10, 13, 60 ]
69
[ "76-13=63", "60/10=6", "63+6=69" ]
Current State: 69:[76, 10, 13, 60], Operations: [] Exploring Operation: 76-13=63, Resulting Numbers: [10, 60, 63] Generated Node #2: [10, 60, 63] from Operation: 76-13=63 Current State: 69:[10, 60, 63], Operations: ['76-13=63'] Exploring Operation: 60/10=6, Resulting Numbers: [63, 6] Generated Node #3: [63, 6] from Operation: 60/10=6 Current State: 69:[63, 6], Operations: ['76-13=63', '60/10=6'] Exploring Operation: 63+6=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[76, 10, 13, 60], Operations: [] Exploring Operation: 10+13=23, Resulting Numbers: [76, 60, 23] Generated Node #0,0: 69:[76, 60, 23] Operation: 10+13=23 Exploring Operation: 13-10=3, Resulting Numbers: [76, 60, 3] Generated Node #0,1: 69:[76, 60, 3] Operation: 13-10=3 Exploring Operation: 60/10=6, Resulting Numbers: [76, 13, 6] Generated Node #0,2: 69:[76, 13, 6] Operation: 60/10=6 Exploring Operation: 10+60=70, Resulting Numbers: [76, 13, 70] Generated Node #0,3: 69:[76, 13, 70] Operation: 10+60=70 Exploring Operation: 13+60=73, Resulting Numbers: [76, 10, 73] Generated Node #0,4: 69:[76, 10, 73] Operation: 13+60=73 Moving to Node #0,0 Current State: 69:[76, 60, 23], Operations: ['10+13=23'] Exploring Operation: 76-60=16, Resulting Numbers: [23, 16] Generated Node #0,0,0: 69:[23, 16] Operation: 76-60=16 Exploring Operation: 76-23=53, Resulting Numbers: [60, 53] Generated Node #0,0,1: 69:[60, 53] Operation: 76-23=53 Exploring Operation: 76+23=99, Resulting Numbers: [60, 99] Generated Node #0,0,2: 69:[60, 99] Operation: 76+23=99 Exploring Operation: 60-23=37, Resulting Numbers: [76, 37] Generated Node #0,0,3: 69:[76, 37] Operation: 60-23=37 Exploring Operation: 60+23=83, Resulting Numbers: [76, 83] Generated Node #0,0,4: 69:[76, 83] Operation: 60+23=83 Moving to Node #0,1 Current State: 69:[76, 60, 3], Operations: ['13-10=3'] Exploring Operation: 60/3=20, Resulting Numbers: [76, 20] Generated Node #0,1,0: 69:[76, 20] Operation: 60/3=20 Exploring Operation: 76+3=79, Resulting Numbers: [60, 79] Generated Node #0,1,1: 69:[60, 79] Operation: 76+3=79 Exploring Operation: 76-3=73, Resulting Numbers: [60, 73] Generated Node #0,1,2: 69:[60, 73] Operation: 76-3=73 Exploring Operation: 60+3=63, Resulting Numbers: [76, 63] Generated Node #0,1,3: 69:[76, 63] Operation: 60+3=63 Exploring Operation: 76-60=16, Resulting Numbers: [3, 16] Generated Node #0,1,4: 69:[3, 16] Operation: 76-60=16 Moving to Node #0,3 Current State: 69:[76, 13, 70], Operations: ['10+60=70'] Exploring Operation: 13+70=83, Resulting Numbers: [76, 83] Generated Node #0,3,0: 69:[76, 83] Operation: 13+70=83 Exploring Operation: 76-70=6, Resulting Numbers: [13, 6] Generated Node #0,3,1: 69:[13, 6] Operation: 76-70=6 Exploring Operation: 76-13=63, Resulting Numbers: [70, 63] Generated Node #0,3,2: 69:[70, 63] Operation: 76-13=63 Exploring Operation: 76+13=89, Resulting Numbers: [70, 89] Generated Node #0,3,3: 69:[70, 89] Operation: 76+13=89 Exploring Operation: 70-13=57, Resulting Numbers: [76, 57] Generated Node #0,3,4: 69:[76, 57] Operation: 70-13=57 Moving to Node #0,4 Current State: 69:[76, 10, 73], Operations: ['13+60=73'] Exploring Operation: 10+73=83, Resulting Numbers: [76, 83] Generated Node #0,4,0: 69:[76, 83] Operation: 10+73=83 Exploring Operation: 76-73=3, Resulting Numbers: [10, 3] Generated Node #0,4,1: 69:[10, 3] Operation: 76-73=3 Exploring Operation: 76-10=66, Resulting Numbers: [73, 66] Generated Node #0,4,2: 69:[73, 66] Operation: 76-10=66 Exploring Operation: 73-10=63, Resulting Numbers: [76, 63] Generated Node #0,4,3: 69:[76, 63] Operation: 73-10=63 Exploring Operation: 76+10=86, Resulting Numbers: [73, 86] Generated Node #0,4,4: 69:[73, 86] Operation: 76+10=86 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 69:[10, 3], Operations: ['13+60=73', '76-73=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,69 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,69 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,69 unequal: No Solution No 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: 69:[73, 66], Operations: ['13+60=73', '76-10=66'] Exploring Operation: 73-66=7, Resulting Numbers: [7] 7,69 unequal: No Solution Exploring Operation: 73+66=139, Resulting Numbers: [139] 139,69 unequal: No Solution Exploring Operation: 73*66=4818, Resulting Numbers: [4818] 4818,69 unequal: No Solution No 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: 69:[76, 63], Operations: ['13+60=73', '73-10=63'] Exploring Operation: 76*63=4788, Resulting Numbers: [4788] 4788,69 unequal: No Solution Exploring Operation: 76-63=13, Resulting Numbers: [13] 13,69 unequal: No Solution Exploring Operation: 76+63=139, Resulting Numbers: [139] 139,69 unequal: No Solution No 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: 69:[76, 83], Operations: ['13+60=73', '10+73=83'] Exploring Operation: 76+83=159, Resulting Numbers: [159] 159,69 unequal: No Solution Exploring Operation: 83-76=7, Resulting Numbers: [7] 7,69 unequal: No Solution Exploring Operation: 76*83=6308, Resulting Numbers: [6308] 6308,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 69:[73, 86], Operations: ['13+60=73', '76+10=86'] Exploring Operation: 73+86=159, Resulting Numbers: [159] 159,69 unequal: No Solution Exploring Operation: 86-73=13, Resulting Numbers: [13] 13,69 unequal: No Solution Exploring Operation: 73*86=6278, Resulting Numbers: [6278] 6278,69 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: 69:[76, 13, 6], Operations: ['60/10=6'] Exploring Operation: 76-6=70, Resulting Numbers: [13, 70] Generated Node #0,2,0: 69:[13, 70] Operation: 76-6=70 Exploring Operation: 76-13=63, Resulting Numbers: [6, 63] Generated Node #0,2,1: 69:[6, 63] Operation: 76-13=63 Exploring Operation: 13-6=7, Resulting Numbers: [76, 7] Generated Node #0,2,2: 69:[76, 7] Operation: 13-6=7 Exploring Operation: 13*6=78, Resulting Numbers: [76, 78] Generated Node #0,2,3: 69:[76, 78] Operation: 13*6=78 Exploring Operation: 13+6=19, Resulting Numbers: [76, 19] Generated Node #0,2,4: 69:[76, 19] Operation: 13+6=19 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 69:[6, 63], Operations: ['60/10=6', '76-13=63'] Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,69 unequal: No Solution Exploring Operation: 6+63=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[76, 10, 13, 60], Operations: [] Exploring Operation: 60/10=6, Resulting Numbers: [76, 13, 6] Generated Node #0,2: 69:[76, 13, 6] Operation: 60/10=6 Moving to Node #0,2 Current State: 69:[76, 13, 6], Operations: ['60/10=6'] Exploring Operation: 76-13=63, Resulting Numbers: [6, 63] Generated Node #0,2,1: 69:[6, 63] Operation: 76-13=63 Moving to Node #0,2,1 Current State: 69:[6, 63], Operations: ['60/10=6', '76-13=63'] Exploring Operation: 6+63=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.955729
hs_5
mult_heuristic
[ 33, 24, 42, 81 ]
48
[ "33-24=9", "81-42=39", "9+39=48" ]
Current State: 48:[33, 24, 42, 81], Operations: [] Exploring Operation: 33-24=9, Resulting Numbers: [42, 81, 9] Generated Node #2: [42, 81, 9] from Operation: 33-24=9 Current State: 48:[42, 81, 9], Operations: ['33-24=9'] Exploring Operation: 81-42=39, Resulting Numbers: [9, 39] Generated Node #3: [9, 39] from Operation: 81-42=39 Current State: 48:[9, 39], Operations: ['33-24=9', '81-42=39'] Exploring Operation: 9+39=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[33, 24, 42, 81], Operations: [] Exploring Operation: 81-33=48, Resulting Numbers: [24, 42, 48] Generated Node #0,0: 48:[24, 42, 48] Operation: 81-33=48 Exploring Operation: 81-42=39, Resulting Numbers: [33, 24, 39] Generated Node #0,1: 48:[33, 24, 39] Operation: 81-42=39 Exploring Operation: 81-24=57, Resulting Numbers: [33, 42, 57] Generated Node #0,2: 48:[33, 42, 57] Operation: 81-24=57 Moving to Node #0,0 Current State: 48:[24, 42, 48], Operations: ['81-33=48'] Exploring Operation: 42-24=18, Resulting Numbers: [48, 18] Generated Node #0,0,0: 48:[48, 18] Operation: 42-24=18 Exploring Operation: 48-24=24, Resulting Numbers: [42, 24] Generated Node #0,0,1: 48:[42, 24] Operation: 48-24=24 Exploring Operation: 48-42=6, Resulting Numbers: [24, 6] Generated Node #0,0,2: 48:[24, 6] Operation: 48-42=6 Moving to Node #0,1 Current State: 48:[33, 24, 39], Operations: ['81-42=39'] Exploring Operation: 33-24=9, Resulting Numbers: [39, 9] Generated Node #0,1,0: 48:[39, 9] Operation: 33-24=9 Exploring Operation: 39-33=6, Resulting Numbers: [24, 6] Generated Node #0,1,1: 48:[24, 6] Operation: 39-33=6 Exploring Operation: 39-24=15, Resulting Numbers: [33, 15] Generated Node #0,1,2: 48:[33, 15] Operation: 39-24=15 Moving to Node #0,2 Current State: 48:[33, 42, 57], Operations: ['81-24=57'] Exploring Operation: 42-33=9, Resulting Numbers: [57, 9] Generated Node #0,2,0: 48:[57, 9] Operation: 42-33=9 Exploring Operation: 57-42=15, Resulting Numbers: [33, 15] Generated Node #0,2,1: 48:[33, 15] Operation: 57-42=15 Exploring Operation: 57-33=24, Resulting Numbers: [42, 24] Generated Node #0,2,2: 48:[42, 24] Operation: 57-33=24 Moving to Node #0,0,2 Current State: 48:[24, 6], Operations: ['81-33=48', '48-42=6'] Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,48 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,48 unequal: No Solution Moving to Node #0,1,1 Current State: 48:[24, 6], Operations: ['81-42=39', '39-33=6'] Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,48 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,48 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,48 unequal: No Solution Moving to Node #0,0,0 Current State: 48:[48, 18], Operations: ['81-33=48', '42-24=18'] Exploring Operation: 48+18=66, Resulting Numbers: [66] 66,48 unequal: No Solution Exploring Operation: 48*18=864, Resulting Numbers: [864] 864,48 unequal: No Solution Exploring Operation: 48-18=30, Resulting Numbers: [30] 30,48 unequal: No Solution Moving to Node #0,0,1 Current State: 48:[42, 24], Operations: ['81-33=48', '48-24=24'] Exploring Operation: 42+24=66, Resulting Numbers: [66] 66,48 unequal: No Solution Exploring Operation: 42-24=18, Resulting Numbers: [18] 18,48 unequal: No Solution Exploring Operation: 42*24=1008, Resulting Numbers: [1008] 1008,48 unequal: No Solution Moving to Node #0,2,2 Current State: 48:[42, 24], Operations: ['81-24=57', '57-33=24'] Exploring Operation: 42*24=1008, Resulting Numbers: [1008] 1008,48 unequal: No Solution Exploring Operation: 42+24=66, Resulting Numbers: [66] 66,48 unequal: No Solution Exploring Operation: 42-24=18, Resulting Numbers: [18] 18,48 unequal: No Solution Moving to Node #0,1,2 Current State: 48:[33, 15], Operations: ['81-42=39', '39-24=15'] Exploring Operation: 33*15=495, Resulting Numbers: [495] 495,48 unequal: No Solution Exploring Operation: 33+15=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[33, 24, 42, 81], Operations: [] Exploring Operation: 81-42=39, Resulting Numbers: [33, 24, 39] Generated Node #0,1: 48:[33, 24, 39] Operation: 81-42=39 Moving to Node #0,1 Current State: 48:[33, 24, 39], Operations: ['81-42=39'] Exploring Operation: 39-24=15, Resulting Numbers: [33, 15] Generated Node #0,1,2: 48:[33, 15] Operation: 39-24=15 Moving to Node #0,1,2 Current State: 48:[33, 15], Operations: ['81-42=39', '39-24=15'] Exploring Operation: 33+15=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
0.971354
hs_3
sum_heuristic
[ 31, 29, 93, 60 ]
94
[ "31+29=60", "60/60=1", "93+1=94" ]
Current State: 94:[31, 29, 93, 60], Operations: [] Exploring Operation: 31+29=60, Resulting Numbers: [93, 60, 60] Generated Node #2: [93, 60, 60] from Operation: 31+29=60 Current State: 94:[93, 60, 60], Operations: ['31+29=60'] Exploring Operation: 60/60=1, Resulting Numbers: [93, 1] Generated Node #3: [93, 1] from Operation: 60/60=1 Current State: 94:[93, 1], Operations: ['31+29=60', '60/60=1'] Exploring Operation: 93+1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[31, 29, 93, 60], Operations: [] Exploring Operation: 31+60=91, Resulting Numbers: [29, 93, 91] Generated Node #0,0: 94:[29, 93, 91] Operation: 31+60=91 Exploring Operation: 31-29=2, Resulting Numbers: [93, 60, 2] Generated Node #0,1: 94:[93, 60, 2] Operation: 31-29=2 Moving to Node #0,1 Current State: 94:[93, 60, 2], Operations: ['31-29=2'] Exploring Operation: 93-60=33, Resulting Numbers: [2, 33] Generated Node #0,1,0: 94:[2, 33] Operation: 93-60=33 Exploring Operation: 60-2=58, Resulting Numbers: [93, 58] Generated Node #0,1,1: 94:[93, 58] Operation: 60-2=58 Moving to Node #0,0 Current State: 94:[29, 93, 91], Operations: ['31+60=91'] Exploring Operation: 91-29=62, Resulting Numbers: [93, 62] Generated Node #0,0,0: 94:[93, 62] Operation: 91-29=62 Exploring Operation: 93-91=2, Resulting Numbers: [29, 2] Generated Node #0,0,1: 94:[29, 2] Operation: 93-91=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[93, 62], Operations: ['31+60=91', '91-29=62'] Exploring Operation: 93+62=155, Resulting Numbers: [155] 155,94 unequal: No Solution Exploring Operation: 93-62=31, Resulting Numbers: [31] 31,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 94:[29, 2], Operations: ['31+60=91', '93-91=2'] Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,94 unequal: No Solution Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 94:[93, 58], Operations: ['31-29=2', '60-2=58'] Exploring Operation: 93+58=151, Resulting Numbers: [151] 151,94 unequal: No Solution Exploring Operation: 93-58=35, Resulting Numbers: [35] 35,94 unequal: No Solution Moving to Node #0,1,0 Current State: 94:[2, 33], Operations: ['31-29=2', '93-60=33'] Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,94 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,94 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 77, 80, 37, 31 ]
80
[ "80-77=3", "37*3=111", "111-31=80" ]
Current State: 80:[77, 80, 37, 31], Operations: [] Exploring Operation: 80-77=3, Resulting Numbers: [37, 31, 3] Generated Node #2: [37, 31, 3] from Operation: 80-77=3 Current State: 80:[37, 31, 3], Operations: ['80-77=3'] Exploring Operation: 37*3=111, Resulting Numbers: [31, 111] Generated Node #3: [31, 111] from Operation: 37*3=111 Current State: 80:[31, 111], Operations: ['80-77=3', '37*3=111'] Exploring Operation: 111-31=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[77, 80, 37, 31], Operations: [] Exploring Operation: 77-31=46, Resulting Numbers: [80, 37, 46] Generated Node #0,0: 80:[80, 37, 46] Operation: 77-31=46 Exploring Operation: 37-31=6, Resulting Numbers: [77, 80, 6] Generated Node #0,1: 80:[77, 80, 6] Operation: 37-31=6 Exploring Operation: 77-37=40, Resulting Numbers: [80, 31, 40] Generated Node #0,2: 80:[80, 31, 40] Operation: 77-37=40 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[77, 80, 6], Operations: ['37-31=6'] Exploring Operation: 77-6=71, Resulting Numbers: [80, 71] Generated Node #0,1,0: 80:[80, 71] Operation: 77-6=71 Exploring Operation: 80-77=3, Resulting Numbers: [6, 3] Generated Node #0,1,1: 80:[6, 3] Operation: 80-77=3 Exploring Operation: 77+6=83, Resulting Numbers: [80, 83] Generated Node #0,1,2: 80:[80, 83] Operation: 77+6=83 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 80:[6, 3], Operations: ['37-31=6', '80-77=3'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,80 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,80 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 80:[80, 83], Operations: ['37-31=6', '77+6=83'] Exploring Operation: 80+83=163, Resulting Numbers: [163] 163,80 unequal: No Solution Exploring Operation: 80*83=6640, Resulting Numbers: [6640] 6640,80 unequal: No Solution Exploring Operation: 83-80=3, Resulting Numbers: [3] 3,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 80:[80, 71], Operations: ['37-31=6', '77-6=71'] Exploring Operation: 80*71=5680, Resulting Numbers: [5680] 5680,80 unequal: No Solution Exploring Operation: 80+71=151, Resulting Numbers: [151] 151,80 unequal: No Solution Exploring Operation: 80-71=9, Resulting Numbers: [9] 9,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[80, 37, 46], Operations: ['77-31=46'] Exploring Operation: 37+46=83, Resulting Numbers: [80, 83] Generated Node #0,0,0: 80:[80, 83] Operation: 37+46=83 Exploring Operation: 46-37=9, Resulting Numbers: [80, 9] Generated Node #0,0,1: 80:[80, 9] Operation: 46-37=9 Exploring Operation: 80-37=43, Resulting Numbers: [46, 43] Generated Node #0,0,2: 80:[46, 43] Operation: 80-37=43 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 80:[80, 9], Operations: ['77-31=46', '46-37=9'] Exploring Operation: 80*9=720, Resulting Numbers: [720] 720,80 unequal: No Solution Exploring Operation: 80-9=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 80+9=89, Resulting Numbers: [89] 89,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[80, 83], Operations: ['77-31=46', '37+46=83'] Exploring Operation: 80+83=163, Resulting Numbers: [163] 163,80 unequal: No Solution Exploring Operation: 80*83=6640, Resulting Numbers: [6640] 6640,80 unequal: No Solution Exploring Operation: 83-80=3, Resulting Numbers: [3] 3,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 80:[46, 43], Operations: ['77-31=46', '80-37=43'] Exploring Operation: 46-43=3, Resulting Numbers: [3] 3,80 unequal: No Solution Exploring Operation: 46+43=89, Resulting Numbers: [89] 89,80 unequal: No Solution Exploring Operation: 46*43=1978, Resulting Numbers: [1978] 1978,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 80:[80, 31, 40], Operations: ['77-37=40'] Exploring Operation: 80-40=40, Resulting Numbers: [31, 40] Generated Node #0,2,0: 80:[31, 40] Operation: 80-40=40 Exploring Operation: 40-31=9, Resulting Numbers: [80, 9] Generated Node #0,2,1: 80:[80, 9] Operation: 40-31=9 Exploring Operation: 80-31=49, Resulting Numbers: [40, 49] Generated Node #0,2,2: 80:[40, 49] Operation: 80-31=49 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 80:[80, 9], Operations: ['77-37=40', '40-31=9'] Exploring Operation: 80+9=89, Resulting Numbers: [89] 89,80 unequal: No Solution Exploring Operation: 80*9=720, Resulting Numbers: [720] 720,80 unequal: No Solution Exploring Operation: 80-9=71, Resulting Numbers: [71] 71,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 80:[31, 40], Operations: ['77-37=40', '80-40=40'] Exploring Operation: 31+40=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,80 unequal: No Solution Exploring Operation: 31*40=1240, Resulting Numbers: [1240] 1240,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 80:[40, 49], Operations: ['77-37=40', '80-31=49'] Exploring Operation: 40+49=89, Resulting Numbers: [89] 89,80 unequal: No Solution Exploring Operation: 40*49=1960, Resulting Numbers: [1960] 1960,80 unequal: No Solution Exploring Operation: 49-40=9, Resulting Numbers: [9] 9,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 64, 3, 66, 81 ]
42
[ "66-64=2", "3+81=84", "84/2=42" ]
Current State: 42:[64, 3, 66, 81], Operations: [] Exploring Operation: 66-64=2, Resulting Numbers: [3, 81, 2] Generated Node #2: [3, 81, 2] from Operation: 66-64=2 Current State: 42:[3, 81, 2], Operations: ['66-64=2'] Exploring Operation: 3+81=84, Resulting Numbers: [2, 84] Generated Node #3: [2, 84] from Operation: 3+81=84 Current State: 42:[2, 84], Operations: ['66-64=2', '3+81=84'] Exploring Operation: 84/2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[64, 3, 66, 81], Operations: [] Exploring Operation: 66-64=2, Resulting Numbers: [3, 81, 2] Generated Node #0,0: 42:[3, 81, 2] Operation: 66-64=2 Exploring Operation: 81-66=15, Resulting Numbers: [64, 3, 15] Generated Node #0,1: 42:[64, 3, 15] Operation: 81-66=15 Exploring Operation: 81-64=17, Resulting Numbers: [3, 66, 17] Generated Node #0,2: 42:[3, 66, 17] Operation: 81-64=17 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[64, 3, 15], Operations: ['81-66=15'] Exploring Operation: 64-15=49, Resulting Numbers: [3, 49] Generated Node #0,1,0: 42:[3, 49] Operation: 64-15=49 Exploring Operation: 64-3=61, Resulting Numbers: [15, 61] Generated Node #0,1,1: 42:[15, 61] Operation: 64-3=61 Exploring Operation: 15/3=5, Resulting Numbers: [64, 5] Generated Node #0,1,2: 42:[64, 5] Operation: 15/3=5 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 42:[3, 49], Operations: ['81-66=15', '64-15=49'] Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,42 unequal: No Solution Exploring Operation: 3*49=147, Resulting Numbers: [147] 147,42 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 42:[15, 61], Operations: ['81-66=15', '64-3=61'] Exploring Operation: 15*61=915, Resulting Numbers: [915] 915,42 unequal: No Solution Exploring Operation: 61-15=46, Resulting Numbers: [46] 46,42 unequal: No Solution Exploring Operation: 15+61=76, Resulting Numbers: [76] 76,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 42:[64, 5], Operations: ['81-66=15', '15/3=5'] Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,42 unequal: No Solution Exploring Operation: 64*5=320, Resulting Numbers: [320] 320,42 unequal: No Solution Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 42:[3, 66, 17], Operations: ['81-64=17'] Exploring Operation: 66-17=49, Resulting Numbers: [3, 49] Generated Node #0,2,0: 42:[3, 49] Operation: 66-17=49 Exploring Operation: 66-3=63, Resulting Numbers: [17, 63] Generated Node #0,2,1: 42:[17, 63] Operation: 66-3=63 Exploring Operation: 66/3=22, Resulting Numbers: [17, 22] Generated Node #0,2,2: 42:[17, 22] Operation: 66/3=22 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 42:[17, 22], Operations: ['81-64=17', '66/3=22'] Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,42 unequal: No Solution Exploring Operation: 17*22=374, Resulting Numbers: [374] 374,42 unequal: No Solution Exploring Operation: 17+22=39, Resulting Numbers: [39] 39,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 42:[3, 49], Operations: ['81-64=17', '66-17=49'] Exploring Operation: 3*49=147, Resulting Numbers: [147] 147,42 unequal: No Solution Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,42 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 42:[17, 63], Operations: ['81-64=17', '66-3=63'] Exploring Operation: 63-17=46, Resulting Numbers: [46] 46,42 unequal: No Solution Exploring Operation: 17+63=80, Resulting Numbers: [80] 80,42 unequal: No Solution Exploring Operation: 17*63=1071, Resulting Numbers: [1071] 1071,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[3, 81, 2], Operations: ['66-64=2'] Exploring Operation: 81-3=78, Resulting Numbers: [2, 78] Generated Node #0,0,0: 42:[2, 78] Operation: 81-3=78 Exploring Operation: 81-2=79, Resulting Numbers: [3, 79] Generated Node #0,0,1: 42:[3, 79] Operation: 81-2=79 Exploring Operation: 81/3=27, Resulting Numbers: [2, 27] Generated Node #0,0,2: 42:[2, 27] Operation: 81/3=27 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 42:[2, 27], Operations: ['66-64=2', '81/3=27'] Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,42 unequal: No Solution Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,42 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[2, 78], Operations: ['66-64=2', '81-3=78'] Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,42 unequal: No Solution Exploring Operation: 2+78=80, Resulting Numbers: [80] 80,42 unequal: No Solution Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 42:[3, 79], Operations: ['66-64=2', '81-2=79'] Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,42 unequal: No Solution Exploring Operation: 3*79=237, Resulting Numbers: [237] 237,42 unequal: No Solution Exploring Operation: 3+79=82, Resulting Numbers: [82] 82,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 59, 93, 45, 94 ]
83
[ "93-59=34", "94-45=49", "34+49=83" ]
Current State: 83:[59, 93, 45, 94], Operations: [] Exploring Operation: 93-59=34, Resulting Numbers: [45, 94, 34] Generated Node #2: [45, 94, 34] from Operation: 93-59=34 Current State: 83:[45, 94, 34], Operations: ['93-59=34'] Exploring Operation: 94-45=49, Resulting Numbers: [34, 49] Generated Node #3: [34, 49] from Operation: 94-45=49 Current State: 83:[34, 49], Operations: ['93-59=34', '94-45=49'] Exploring Operation: 34+49=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[59, 93, 45, 94], Operations: [] Exploring Operation: 59+45=104, Resulting Numbers: [93, 94, 104] Generated Node #0,0: 83:[93, 94, 104] Operation: 59+45=104 Exploring Operation: 94-45=49, Resulting Numbers: [59, 93, 49] Generated Node #0,1: 83:[59, 93, 49] Operation: 94-45=49 Moving to Node #0,0 Current State: 83:[93, 94, 104], Operations: ['59+45=104'] Exploring Operation: 104-93=11, Resulting Numbers: [94, 11] Generated Node #0,0,0: 83:[94, 11] Operation: 104-93=11 Exploring Operation: 104-94=10, Resulting Numbers: [93, 10] Generated Node #0,0,1: 83:[93, 10] Operation: 104-94=10 Moving to Node #0,1 Current State: 83:[59, 93, 49], Operations: ['94-45=49'] Exploring Operation: 93-49=44, Resulting Numbers: [59, 44] Generated Node #0,1,0: 83:[59, 44] Operation: 93-49=44 Exploring Operation: 59+49=108, Resulting Numbers: [93, 108] Generated Node #0,1,1: 83:[93, 108] Operation: 59+49=108 Moving to Node #0,1,1 Current State: 83:[93, 108], Operations: ['94-45=49', '59+49=108'] Exploring Operation: 93+108=201, Resulting Numbers: [201] 201,83 unequal: No Solution Exploring Operation: 108-93=15, Resulting Numbers: [15] 15,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[59, 44], Operations: ['94-45=49', '93-49=44'] Exploring Operation: 59-44=15, Resulting Numbers: [15] 15,83 unequal: No Solution Exploring Operation: 59+44=103, Resulting Numbers: [103] 103,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[93, 10], Operations: ['59+45=104', '104-94=10'] Exploring Operation: 93-10=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[59, 93, 45, 94], Operations: [] Exploring Operation: 59+45=104, Resulting Numbers: [93, 94, 104] Generated Node #0,0: 83:[93, 94, 104] Operation: 59+45=104 Moving to Node #0,0 Current State: 83:[93, 94, 104], Operations: ['59+45=104'] Exploring Operation: 104-94=10, Resulting Numbers: [93, 10] Generated Node #0,0,1: 83:[93, 10] Operation: 104-94=10 Moving to Node #0,0,1 Current State: 83:[93, 10], Operations: ['59+45=104', '104-94=10'] Exploring Operation: 93-10=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 11, 24, 4, 72 ]
23
[ "24/4=6", "72/6=12", "11+12=23" ]
Current State: 23:[11, 24, 4, 72], Operations: [] Exploring Operation: 24/4=6, Resulting Numbers: [11, 72, 6] Generated Node #2: [11, 72, 6] from Operation: 24/4=6 Current State: 23:[11, 72, 6], Operations: ['24/4=6'] Exploring Operation: 72/6=12, Resulting Numbers: [11, 12] Generated Node #3: [11, 12] from Operation: 72/6=12 Current State: 23:[11, 12], Operations: ['24/4=6', '72/6=12'] Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[11, 24, 4, 72], Operations: [] Exploring Operation: 72/24=3, Resulting Numbers: [11, 4, 3] Generated Node #0,0: 23:[11, 4, 3] Operation: 72/24=3 Exploring Operation: 72/4=18, Resulting Numbers: [11, 24, 18] Generated Node #0,1: 23:[11, 24, 18] Operation: 72/4=18 Moving to Node #0,1 Current State: 23:[11, 24, 18], Operations: ['72/4=18'] Exploring Operation: 11+18=29, Resulting Numbers: [24, 29] Generated Node #0,1,0: 23:[24, 29] Operation: 11+18=29 Exploring Operation: 24-11=13, Resulting Numbers: [18, 13] Generated Node #0,1,1: 23:[18, 13] Operation: 24-11=13 Moving to Node #0,0 Current State: 23:[11, 4, 3], Operations: ['72/24=3'] Exploring Operation: 4*3=12, Resulting Numbers: [11, 12] Generated Node #0,0,0: 23:[11, 12] Operation: 4*3=12 Exploring Operation: 11+4=15, Resulting Numbers: [3, 15] Generated Node #0,0,1: 23:[3, 15] Operation: 11+4=15 Moving to Node #0,1,0 Current State: 23:[24, 29], Operations: ['72/4=18', '11+18=29'] Exploring Operation: 24+29=53, Resulting Numbers: [53] 53,23 unequal: No Solution Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[18, 13], Operations: ['72/4=18', '24-11=13'] Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,23 unequal: No Solution Exploring Operation: 18+13=31, Resulting Numbers: [31] 31,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[11, 12], Operations: ['72/24=3', '4*3=12'] Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[11, 24, 4, 72], Operations: [] Exploring Operation: 72/24=3, Resulting Numbers: [11, 4, 3] Generated Node #0,0: 23:[11, 4, 3] Operation: 72/24=3 Moving to Node #0,0 Current State: 23:[11, 4, 3], Operations: ['72/24=3'] Exploring Operation: 4*3=12, Resulting Numbers: [11, 12] Generated Node #0,0,0: 23:[11, 12] Operation: 4*3=12 Moving to Node #0,0,0 Current State: 23:[11, 12], Operations: ['72/24=3', '4*3=12'] Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 15, 83, 89, 66 ]
24
[ "89-83=6", "15*6=90", "90-66=24" ]
Current State: 24:[15, 83, 89, 66], Operations: [] Exploring Operation: 89-83=6, Resulting Numbers: [15, 66, 6] Generated Node #2: [15, 66, 6] from Operation: 89-83=6 Current State: 24:[15, 66, 6], Operations: ['89-83=6'] Exploring Operation: 15*6=90, Resulting Numbers: [66, 90] Generated Node #3: [66, 90] from Operation: 15*6=90 Current State: 24:[66, 90], Operations: ['89-83=6', '15*6=90'] Exploring Operation: 90-66=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[15, 83, 89, 66], Operations: [] Exploring Operation: 83-66=17, Resulting Numbers: [15, 89, 17] Generated Node #0,0: 24:[15, 89, 17] Operation: 83-66=17 Exploring Operation: 89-83=6, Resulting Numbers: [15, 66, 6] Generated Node #0,1: 24:[15, 66, 6] Operation: 89-83=6 Exploring Operation: 83-15=68, Resulting Numbers: [89, 66, 68] Generated Node #0,2: 24:[89, 66, 68] Operation: 83-15=68 Exploring Operation: 89-66=23, Resulting Numbers: [15, 83, 23] Generated Node #0,3: 24:[15, 83, 23] Operation: 89-66=23 Moving to Node #0,1 Current State: 24:[15, 66, 6], Operations: ['89-83=6'] Exploring Operation: 15-6=9, Resulting Numbers: [66, 9] Generated Node #0,1,0: 24:[66, 9] Operation: 15-6=9 Exploring Operation: 66/6=11, Resulting Numbers: [15, 11] Generated Node #0,1,1: 24:[15, 11] Operation: 66/6=11 Exploring Operation: 66-6=60, Resulting Numbers: [15, 60] Generated Node #0,1,2: 24:[15, 60] Operation: 66-6=60 Exploring Operation: 66-15=51, Resulting Numbers: [6, 51] Generated Node #0,1,3: 24:[6, 51] Operation: 66-15=51 Moving to Node #0,3 Current State: 24:[15, 83, 23], Operations: ['89-66=23'] Exploring Operation: 83-15=68, Resulting Numbers: [23, 68] Generated Node #0,3,0: 24:[23, 68] Operation: 83-15=68 Exploring Operation: 23-15=8, Resulting Numbers: [83, 8] Generated Node #0,3,1: 24:[83, 8] Operation: 23-15=8 Exploring Operation: 15+23=38, Resulting Numbers: [83, 38] Generated Node #0,3,2: 24:[83, 38] Operation: 15+23=38 Exploring Operation: 83-23=60, Resulting Numbers: [15, 60] Generated Node #0,3,3: 24:[15, 60] Operation: 83-23=60 Moving to Node #0,0 Current State: 24:[15, 89, 17], Operations: ['83-66=17'] Exploring Operation: 89-15=74, Resulting Numbers: [17, 74] Generated Node #0,0,0: 24:[17, 74] Operation: 89-15=74 Exploring Operation: 17-15=2, Resulting Numbers: [89, 2] Generated Node #0,0,1: 24:[89, 2] Operation: 17-15=2 Exploring Operation: 15+17=32, Resulting Numbers: [89, 32] Generated Node #0,0,2: 24:[89, 32] Operation: 15+17=32 Exploring Operation: 89-17=72, Resulting Numbers: [15, 72] Generated Node #0,0,3: 24:[15, 72] Operation: 89-17=72 Moving to Node #0,2 Current State: 24:[89, 66, 68], Operations: ['83-15=68'] Exploring Operation: 68-66=2, Resulting Numbers: [89, 2] Generated Node #0,2,0: 24:[89, 2] Operation: 68-66=2 Exploring Operation: 89-66=23, Resulting Numbers: [68, 23] Generated Node #0,2,1: 24:[68, 23] Operation: 89-66=23 Exploring Operation: 89+66=155, Resulting Numbers: [68, 155] Generated Node #0,2,2: 24:[68, 155] Operation: 89+66=155 Exploring Operation: 89-68=21, Resulting Numbers: [66, 21] Generated Node #0,2,3: 24:[66, 21] Operation: 89-68=21 Moving to Node #0,1,1 Current State: 24:[15, 11], Operations: ['89-83=6', '66/6=11'] Exploring Operation: 15+11=26, Resulting Numbers: [26] 26,24 unequal: No Solution Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 15*11=165, Resulting Numbers: [165] 165,24 unequal: No Solution Moving to Node #0,1,3 Current State: 24:[6, 51], Operations: ['89-83=6', '66-15=51'] Exploring Operation: 6*51=306, Resulting Numbers: [306] 306,24 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,24 unequal: No Solution Exploring Operation: 6+51=57, Resulting Numbers: [57] 57,24 unequal: No Solution Moving to Node #0,1,2 Current State: 24:[15, 60], Operations: ['89-83=6', '66-6=60'] Exploring Operation: 15*60=900, Resulting Numbers: [900] 900,24 unequal: No Solution Exploring Operation: 60/15=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 15+60=75, Resulting Numbers: [75] 75,24 unequal: No Solution Exploring Operation: 60-15=45, Resulting Numbers: [45] 45,24 unequal: No Solution Moving to Node #0,3,3 Current State: 24:[15, 60], Operations: ['89-66=23', '83-23=60'] Exploring Operation: 15*60=900, Resulting Numbers: [900] 900,24 unequal: No Solution Exploring Operation: 60/15=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 60-15=45, Resulting Numbers: [45] 45,24 unequal: No Solution Exploring Operation: 15+60=75, Resulting Numbers: [75] 75,24 unequal: No Solution Moving to Node #0,1,0 Current State: 24:[66, 9], Operations: ['89-83=6', '15-6=9'] Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,24 unequal: No Solution Exploring Operation: 66+9=75, Resulting Numbers: [75] 75,24 unequal: No Solution Exploring Operation: 66*9=594, Resulting Numbers: [594] 594,24 unequal: No Solution Moving to Node #0,2,3 Current State: 24:[66, 21], Operations: ['83-15=68', '89-68=21'] Exploring Operation: 66+21=87, Resulting Numbers: [87] 87,24 unequal: No Solution Exploring Operation: 66-21=45, Resulting Numbers: [45] 45,24 unequal: No Solution Exploring Operation: 66*21=1386, Resulting Numbers: [1386] 1386,24 unequal: No Solution Moving to Node #0,3,0 Current State: 24:[23, 68], Operations: ['89-66=23', '83-15=68'] Exploring Operation: 23+68=91, Resulting Numbers: [91] 91,24 unequal: No Solution Exploring Operation: 23*68=1564, Resulting Numbers: [1564] 1564,24 unequal: No Solution Exploring Operation: 68-23=45, Resulting Numbers: [45] 45,24 unequal: No Solution Moving to Node #0,2,1 Current State: 24:[68, 23], Operations: ['83-15=68', '89-66=23'] Exploring Operation: 68*23=1564, Resulting Numbers: [1564] 1564,24 unequal: No Solution Exploring Operation: 68-23=45, Resulting Numbers: [45] 45,24 unequal: No Solution Exploring Operation: 68+23=91, Resulting Numbers: [91] 91,24 unequal: No Solution Moving to Node #0,0,3 Current State: 24:[15, 72], Operations: ['83-66=17', '89-17=72'] Exploring Operation: 15*72=1080, Resulting Numbers: [1080] 1080,24 unequal: No Solution Exploring Operation: 72-15=57, Resulting Numbers: [57] 57,24 unequal: No Solution Exploring Operation: 15+72=87, Resulting Numbers: [87] 87,24 unequal: No Solution Moving to Node #0,0,0 Current State: 24:[17, 74], Operations: ['83-66=17', '89-15=74'] Exploring Operation: 17+74=91, Resulting Numbers: [91] 91,24 unequal: No Solution Exploring Operation: 74-17=57, Resulting Numbers: [57] 57,24 unequal: No Solution Exploring Operation: 17*74=1258, Resulting Numbers: [1258] 1258,24 unequal: No Solution Moving to Node #0,3,1 Current State: 24:[83, 8], Operations: ['89-66=23', '23-15=8'] Exploring Operation: 83*8=664, Resulting Numbers: [664] 664,24 unequal: No Solution Exploring Operation: 83+8=91, Resulting Numbers: [91] 91,24 unequal: No Solution Exploring Operation: 83-8=75, Resulting Numbers: [75] 75,24 unequal: No Solution Moving to Node #0,0,1 Current State: 24:[89, 2], Operations: ['83-66=17', '17-15=2'] Exploring Operation: 89+2=91, Resulting Numbers: [91] 91,24 unequal: No Solution Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,24 unequal: No Solution Exploring Operation: 89*2=178, Resulting Numbers: [178] 178,24 unequal: No Solution Moving to Node #0,2,0 Current State: 24:[89, 2], Operations: ['83-15=68', '68-66=2'] Exploring Operation: 89*2=178, Resulting Numbers: [178] 178,24 unequal: No Solution Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,24 unequal: No Solution Exploring Operation: 89+2=91, Resulting Numbers: [91] 91,24 unequal: No Solution Moving to Node #0,0,2 Current State: 24:[89, 32], Operations: ['83-66=17', '15+17=32'] Exploring Operation: 89*32=2848, Resulting Numbers: [2848] 2848,24 unequal: No Solution Exploring Operation: 89+32=121, Resulting Numbers: [121] 121,24 unequal: No Solution Exploring Operation: 89-32=57, Resulting Numbers: [57] 57,24 unequal: No Solution Moving to Node #0,3,2 Current State: 24:[83, 38], Operations: ['89-66=23', '15+23=38'] Exploring Operation: 83+38=121, Resulting Numbers: [121] 121,24 unequal: No Solution Exploring Operation: 83-38=45, Resulting Numbers: [45] 45,24 unequal: No Solution Exploring Operation: 83*38=3154, Resulting Numbers: [3154] 3154,24 unequal: No Solution Moving to Node #0,2,2 Current State: 24:[68, 155], Operations: ['83-15=68', '89+66=155'] Exploring Operation: 68+155=223, Resulting Numbers: [223] 223,24 unequal: No Solution Exploring Operation: 68*155=10540, Resulting Numbers: [10540] 10540,24 unequal: No Solution Exploring Operation: 155-68=87, Resulting Numbers: [87] 87,24 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 82, 68, 4, 31 ]
87
[ "82-68=14", "4*14=56", "31+56=87" ]
Current State: 87:[82, 68, 4, 31], Operations: [] Exploring Operation: 82-68=14, Resulting Numbers: [4, 31, 14] Generated Node #2: [4, 31, 14] from Operation: 82-68=14 Current State: 87:[4, 31, 14], Operations: ['82-68=14'] Exploring Operation: 4*14=56, Resulting Numbers: [31, 56] Generated Node #3: [31, 56] from Operation: 4*14=56 Current State: 87:[31, 56], Operations: ['82-68=14', '4*14=56'] Exploring Operation: 31+56=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[82, 68, 4, 31], Operations: [] Exploring Operation: 68-31=37, Resulting Numbers: [82, 4, 37] Generated Node #0,0: 87:[82, 4, 37] Operation: 68-31=37 Exploring Operation: 68/4=17, Resulting Numbers: [82, 31, 17] Generated Node #0,1: 87:[82, 31, 17] Operation: 68/4=17 Exploring Operation: 82-68=14, Resulting Numbers: [4, 31, 14] Generated Node #0,2: 87:[4, 31, 14] Operation: 82-68=14 Exploring Operation: 68+31=99, Resulting Numbers: [82, 4, 99] Generated Node #0,3: 87:[82, 4, 99] Operation: 68+31=99 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[82, 4, 37], Operations: ['68-31=37'] Exploring Operation: 82-37=45, Resulting Numbers: [4, 45] Generated Node #0,0,0: 87:[4, 45] Operation: 82-37=45 Exploring Operation: 82-4=78, Resulting Numbers: [37, 78] Generated Node #0,0,1: 87:[37, 78] Operation: 82-4=78 Exploring Operation: 37-4=33, Resulting Numbers: [82, 33] Generated Node #0,0,2: 87:[82, 33] Operation: 37-4=33 Exploring Operation: 82+4=86, Resulting Numbers: [37, 86] Generated Node #0,0,3: 87:[37, 86] Operation: 82+4=86 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 87:[82, 33], Operations: ['68-31=37', '37-4=33'] Exploring Operation: 82+33=115, Resulting Numbers: [115] 115,87 unequal: No Solution Exploring Operation: 82*33=2706, Resulting Numbers: [2706] 2706,87 unequal: No Solution Exploring Operation: 82-33=49, Resulting Numbers: [49] 49,87 unequal: No Solution No 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: 87:[37, 86], Operations: ['68-31=37', '82+4=86'] Exploring Operation: 86-37=49, Resulting Numbers: [49] 49,87 unequal: No Solution Exploring Operation: 37*86=3182, Resulting Numbers: [3182] 3182,87 unequal: No Solution Exploring Operation: 37+86=123, Resulting Numbers: [123] 123,87 unequal: No Solution No 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: 87:[4, 45], Operations: ['68-31=37', '82-37=45'] Exploring Operation: 4*45=180, Resulting Numbers: [180] 180,87 unequal: No Solution Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,87 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,87 unequal: No Solution No 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: 87:[37, 78], Operations: ['68-31=37', '82-4=78'] Exploring Operation: 78-37=41, Resulting Numbers: [41] 41,87 unequal: No Solution Exploring Operation: 37+78=115, Resulting Numbers: [115] 115,87 unequal: No Solution Exploring Operation: 37*78=2886, Resulting Numbers: [2886] 2886,87 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: 87:[4, 31, 14], Operations: ['82-68=14'] Exploring Operation: 4+14=18, Resulting Numbers: [31, 18] Generated Node #0,2,0: 87:[31, 18] Operation: 4+14=18 Exploring Operation: 31-4=27, Resulting Numbers: [14, 27] Generated Node #0,2,1: 87:[14, 27] Operation: 31-4=27 Exploring Operation: 31-14=17, Resulting Numbers: [4, 17] Generated Node #0,2,2: 87:[4, 17] Operation: 31-14=17 Exploring Operation: 14-4=10, Resulting Numbers: [31, 10] Generated Node #0,2,3: 87:[31, 10] Operation: 14-4=10 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 87:[31, 10], Operations: ['82-68=14', '14-4=10'] Exploring Operation: 31+10=41, Resulting Numbers: [41] 41,87 unequal: No Solution Exploring Operation: 31*10=310, Resulting Numbers: [310] 310,87 unequal: No Solution Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,87 unequal: No Solution No 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: 87:[31, 18], Operations: ['82-68=14', '4+14=18'] Exploring Operation: 31*18=558, Resulting Numbers: [558] 558,87 unequal: No Solution Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,87 unequal: No Solution Exploring Operation: 31+18=49, Resulting Numbers: [49] 49,87 unequal: No Solution No 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: 87:[14, 27], Operations: ['82-68=14', '31-4=27'] Exploring Operation: 14+27=41, Resulting Numbers: [41] 41,87 unequal: No Solution Exploring Operation: 14*27=378, Resulting Numbers: [378] 378,87 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,87 unequal: No Solution No 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: 87:[4, 17], Operations: ['82-68=14', '31-14=17'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,87 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,87 unequal: No Solution Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,87 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: 87:[82, 4, 99], Operations: ['68+31=99'] Exploring Operation: 99-82=17, Resulting Numbers: [4, 17] Generated Node #0,3,0: 87:[4, 17] Operation: 99-82=17 Exploring Operation: 82+4=86, Resulting Numbers: [99, 86] Generated Node #0,3,1: 87:[99, 86] Operation: 82+4=86 Exploring Operation: 99-4=95, Resulting Numbers: [82, 95] Generated Node #0,3,2: 87:[82, 95] Operation: 99-4=95 Exploring Operation: 82-4=78, Resulting Numbers: [99, 78] Generated Node #0,3,3: 87:[99, 78] Operation: 82-4=78 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 87:[4, 17], Operations: ['68+31=99', '99-82=17'] Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,87 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,87 unequal: No Solution Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,87 unequal: No Solution No 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: 87:[99, 86], Operations: ['68+31=99', '82+4=86'] Exploring Operation: 99-86=13, Resulting Numbers: [13] 13,87 unequal: No Solution Exploring Operation: 99*86=8514, Resulting Numbers: [8514] 8514,87 unequal: No Solution Exploring Operation: 99+86=185, Resulting Numbers: [185] 185,87 unequal: No Solution No 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: 87:[82, 95], Operations: ['68+31=99', '99-4=95'] Exploring Operation: 82+95=177, Resulting Numbers: [177] 177,87 unequal: No Solution Exploring Operation: 95-82=13, Resulting Numbers: [13] 13,87 unequal: No Solution Exploring Operation: 82*95=7790, Resulting Numbers: [7790] 7790,87 unequal: No Solution No 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: 87:[99, 78], Operations: ['68+31=99', '82-4=78'] Exploring Operation: 99+78=177, Resulting Numbers: [177] 177,87 unequal: No Solution Exploring Operation: 99*78=7722, Resulting Numbers: [7722] 7722,87 unequal: No Solution Exploring Operation: 99-78=21, Resulting Numbers: [21] 21,87 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: 87:[82, 31, 17], Operations: ['68/4=17'] Exploring Operation: 31+17=48, Resulting Numbers: [82, 48] Generated Node #0,1,0: 87:[82, 48] Operation: 31+17=48 Exploring Operation: 82-17=65, Resulting Numbers: [31, 65] Generated Node #0,1,1: 87:[31, 65] Operation: 82-17=65 Exploring Operation: 31-17=14, Resulting Numbers: [82, 14] Generated Node #0,1,2: 87:[82, 14] Operation: 31-17=14 Exploring Operation: 82+17=99, Resulting Numbers: [31, 99] Generated Node #0,1,3: 87:[31, 99] Operation: 82+17=99 Moving to Node #0,1,3 Current State: 87:[31, 99], Operations: ['68/4=17', '82+17=99'] Exploring Operation: 31*99=3069, Resulting Numbers: [3069] 3069,87 unequal: No Solution Exploring Operation: 99-31=68, Resulting Numbers: [68] 68,87 unequal: No Solution Exploring Operation: 31+99=130, Resulting Numbers: [130] 130,87 unequal: No Solution Moving to Node #0,1,2 Current State: 87:[82, 14], Operations: ['68/4=17', '31-17=14'] Exploring Operation: 82-14=68, Resulting Numbers: [68] 68,87 unequal: No Solution Exploring Operation: 82+14=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 82*14=1148, Resulting Numbers: [1148] 1148,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[31, 65], Operations: ['68/4=17', '82-17=65'] Exploring Operation: 31*65=2015, Resulting Numbers: [2015] 2015,87 unequal: No Solution Exploring Operation: 31+65=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 65-31=34, Resulting Numbers: [34] 34,87 unequal: No Solution Moving to Node #0,1,0 Current State: 87:[82, 48], Operations: ['68/4=17', '31+17=48'] Exploring Operation: 82+48=130, Resulting Numbers: [130] 130,87 unequal: No Solution Exploring Operation: 82-48=34, Resulting Numbers: [34] 34,87 unequal: No Solution Exploring Operation: 82*48=3936, Resulting Numbers: [3936] 3936,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 21, 24, 61, 48 ]
80
[ "21+61=82", "48/24=2", "82-2=80" ]
Current State: 80:[21, 24, 61, 48], Operations: [] Exploring Operation: 21+61=82, Resulting Numbers: [24, 48, 82] Generated Node #2: [24, 48, 82] from Operation: 21+61=82 Current State: 80:[24, 48, 82], Operations: ['21+61=82'] Exploring Operation: 48/24=2, Resulting Numbers: [82, 2] Generated Node #3: [82, 2] from Operation: 48/24=2 Current State: 80:[82, 2], Operations: ['21+61=82', '48/24=2'] Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[21, 24, 61, 48], Operations: [] Exploring Operation: 61-21=40, Resulting Numbers: [24, 48, 40] Generated Node #0,0: 80:[24, 48, 40] Operation: 61-21=40 Exploring Operation: 61-48=13, Resulting Numbers: [21, 24, 13] Generated Node #0,1: 80:[21, 24, 13] Operation: 61-48=13 Exploring Operation: 21+61=82, Resulting Numbers: [24, 48, 82] Generated Node #0,2: 80:[24, 48, 82] Operation: 21+61=82 Exploring Operation: 61-24=37, Resulting Numbers: [21, 48, 37] Generated Node #0,3: 80:[21, 48, 37] Operation: 61-24=37 Moving to Node #0,1 Current State: 80:[21, 24, 13], Operations: ['61-48=13'] Exploring Operation: 24-13=11, Resulting Numbers: [21, 11] Generated Node #0,1,0: 80:[21, 11] Operation: 24-13=11 Exploring Operation: 24-21=3, Resulting Numbers: [13, 3] Generated Node #0,1,1: 80:[13, 3] Operation: 24-21=3 Exploring Operation: 21-13=8, Resulting Numbers: [24, 8] Generated Node #0,1,2: 80:[24, 8] Operation: 21-13=8 Exploring Operation: 24+13=37, Resulting Numbers: [21, 37] Generated Node #0,1,3: 80:[21, 37] Operation: 24+13=37 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 80:[21, 11], Operations: ['61-48=13', '24-13=11'] Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,80 unequal: No Solution Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,80 unequal: No Solution Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,80 unequal: No Solution No 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: 80:[13, 3], Operations: ['61-48=13', '24-21=3'] Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,80 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,80 unequal: No Solution No 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: 80:[24, 8], Operations: ['61-48=13', '21-13=8'] Exploring Operation: 24+8=32, Resulting Numbers: [32] 32,80 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,80 unequal: No Solution Exploring Operation: 24*8=192, Resulting Numbers: [192] 192,80 unequal: No Solution No 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: 80:[21, 37], Operations: ['61-48=13', '24+13=37'] Exploring Operation: 37-21=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 21+37=58, Resulting Numbers: [58] 58,80 unequal: No Solution Exploring Operation: 21*37=777, Resulting Numbers: [777] 777,80 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: 80:[21, 48, 37], Operations: ['61-24=37'] Exploring Operation: 48-21=27, Resulting Numbers: [37, 27] Generated Node #0,3,0: 80:[37, 27] Operation: 48-21=27 Exploring Operation: 48-37=11, Resulting Numbers: [21, 11] Generated Node #0,3,1: 80:[21, 11] Operation: 48-37=11 Exploring Operation: 37-21=16, Resulting Numbers: [48, 16] Generated Node #0,3,2: 80:[48, 16] Operation: 37-21=16 Exploring Operation: 48+37=85, Resulting Numbers: [21, 85] Generated Node #0,3,3: 80:[21, 85] Operation: 48+37=85 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 80:[21, 11], Operations: ['61-24=37', '48-37=11'] Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,80 unequal: No Solution Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,80 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,80 unequal: No Solution No 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: 80:[21, 85], Operations: ['61-24=37', '48+37=85'] Exploring Operation: 21+85=106, Resulting Numbers: [106] 106,80 unequal: No Solution Exploring Operation: 85-21=64, Resulting Numbers: [64] 64,80 unequal: No Solution Exploring Operation: 21*85=1785, Resulting Numbers: [1785] 1785,80 unequal: No Solution No 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: 80:[48, 16], Operations: ['61-24=37', '37-21=16'] Exploring Operation: 48*16=768, Resulting Numbers: [768] 768,80 unequal: No Solution Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,80 unequal: No Solution Exploring Operation: 48/16=3, Resulting Numbers: [3] 3,80 unequal: No Solution Exploring Operation: 48+16=64, Resulting Numbers: [64] 64,80 unequal: No Solution No 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: 80:[37, 27], Operations: ['61-24=37', '48-21=27'] Exploring Operation: 37+27=64, Resulting Numbers: [64] 64,80 unequal: No Solution Exploring Operation: 37*27=999, Resulting Numbers: [999] 999,80 unequal: No Solution Exploring Operation: 37-27=10, Resulting Numbers: [10] 10,80 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: 80:[24, 48, 40], Operations: ['61-21=40'] Exploring Operation: 24+48=72, Resulting Numbers: [40, 72] Generated Node #0,0,0: 80:[40, 72] Operation: 24+48=72 Exploring Operation: 48-24=24, Resulting Numbers: [40, 24] Generated Node #0,0,1: 80:[40, 24] Operation: 48-24=24 Exploring Operation: 48/24=2, Resulting Numbers: [40, 2] Generated Node #0,0,2: 80:[40, 2] Operation: 48/24=2 Exploring Operation: 48-40=8, Resulting Numbers: [24, 8] Generated Node #0,0,3: 80:[24, 8] Operation: 48-40=8 Moving to Node #0,2 Current State: 80:[24, 48, 82], Operations: ['21+61=82'] Exploring Operation: 48-24=24, Resulting Numbers: [82, 24] Generated Node #0,2,0: 80:[82, 24] Operation: 48-24=24 Exploring Operation: 82-48=34, Resulting Numbers: [24, 34] Generated Node #0,2,1: 80:[24, 34] Operation: 82-48=34 Exploring Operation: 48/24=2, Resulting Numbers: [82, 2] Generated Node #0,2,2: 80:[82, 2] Operation: 48/24=2 Exploring Operation: 24+48=72, Resulting Numbers: [82, 72] Generated Node #0,2,3: 80:[82, 72] Operation: 24+48=72 Moving to Node #0,0,2 Current State: 80:[40, 2], Operations: ['61-21=40', '48/24=2'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,80 unequal: No Solution Exploring Operation: 40+2=42, Resulting Numbers: [42] 42,80 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,80 unequal: No Solution Exploring Operation: 40*2=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[21, 24, 61, 48], Operations: [] Exploring Operation: 61-21=40, Resulting Numbers: [24, 48, 40] Generated Node #0,0: 80:[24, 48, 40] Operation: 61-21=40 Moving to Node #0,0 Current State: 80:[24, 48, 40], Operations: ['61-21=40'] Exploring Operation: 48/24=2, Resulting Numbers: [40, 2] Generated Node #0,0,2: 80:[40, 2] Operation: 48/24=2 Moving to Node #0,0,2 Current State: 80:[40, 2], Operations: ['61-21=40', '48/24=2'] Exploring Operation: 40*2=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
0.953125
hs_4
mult_heuristic
[ 75, 22, 62, 62 ]
22
[ "62-62=0", "75*0=0", "22+0=22" ]
Current State: 22:[75, 22, 62, 62], Operations: [] Exploring Operation: 62-62=0, Resulting Numbers: [75, 22, 0] Generated Node #2: [75, 22, 0] from Operation: 62-62=0 Current State: 22:[75, 22, 0], Operations: ['62-62=0'] Exploring Operation: 75*0=0, Resulting Numbers: [22, 0] Generated Node #3: [22, 0] from Operation: 75*0=0 Current State: 22:[22, 0], Operations: ['62-62=0', '75*0=0'] Exploring Operation: 22+0=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[75, 22, 62, 62], Operations: [] Exploring Operation: 75-62=13, Resulting Numbers: [22, 62, 13] Generated Node #0,0: 22:[22, 62, 13] Operation: 75-62=13 Exploring Operation: 75-62=13, Resulting Numbers: [22, 62, 13] Generated Node #0,1: 22:[22, 62, 13] Operation: 75-62=13 Exploring Operation: 62/62=1, Resulting Numbers: [75, 22, 1] Generated Node #0,2: 22:[75, 22, 1] Operation: 62/62=1 Moving to Node #0,0 Current State: 22:[22, 62, 13], Operations: ['75-62=13'] Exploring Operation: 62-22=40, Resulting Numbers: [13, 40] Generated Node #0,0,0: 22:[13, 40] Operation: 62-22=40 Exploring Operation: 62-13=49, Resulting Numbers: [22, 49] Generated Node #0,0,1: 22:[22, 49] Operation: 62-13=49 Exploring Operation: 22-13=9, Resulting Numbers: [62, 9] Generated Node #0,0,2: 22:[62, 9] Operation: 22-13=9 Moving to Node #0,1 Current State: 22:[22, 62, 13], Operations: ['75-62=13'] Exploring Operation: 62-13=49, Resulting Numbers: [22, 49] Generated Node #0,1,0: 22:[22, 49] Operation: 62-13=49 Exploring Operation: 62-22=40, Resulting Numbers: [13, 40] Generated Node #0,1,1: 22:[13, 40] Operation: 62-22=40 Exploring Operation: 22-13=9, Resulting Numbers: [62, 9] Generated Node #0,1,2: 22:[62, 9] Operation: 22-13=9 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 22:[13, 40], Operations: ['75-62=13', '62-22=40'] Exploring Operation: 13*40=520, Resulting Numbers: [520] 520,22 unequal: No Solution Exploring Operation: 13+40=53, Resulting Numbers: [53] 53,22 unequal: No Solution Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 22:[22, 49], Operations: ['75-62=13', '62-13=49'] Exploring Operation: 22+49=71, Resulting Numbers: [71] 71,22 unequal: No Solution Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,22 unequal: No Solution Exploring Operation: 22*49=1078, Resulting Numbers: [1078] 1078,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 22:[62, 9], Operations: ['75-62=13', '22-13=9'] Exploring Operation: 62-9=53, Resulting Numbers: [53] 53,22 unequal: No Solution Exploring Operation: 62*9=558, Resulting Numbers: [558] 558,22 unequal: No Solution Exploring Operation: 62+9=71, Resulting Numbers: [71] 71,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 22:[75, 22, 1], Operations: ['62/62=1'] Exploring Operation: 75-1=74, Resulting Numbers: [22, 74] Generated Node #0,2,0: 22:[22, 74] Operation: 75-1=74 Exploring Operation: 75-22=53, Resulting Numbers: [1, 53] Generated Node #0,2,1: 22:[1, 53] Operation: 75-22=53 Exploring Operation: 75*1=75, Resulting Numbers: [22, 75] Generated Node #0,2,2: 22:[22, 75] Operation: 75*1=75 Moving to Node #0,0,0 Current State: 22:[13, 40], Operations: ['75-62=13', '62-22=40'] Exploring Operation: 13*40=520, Resulting Numbers: [520] 520,22 unequal: No Solution Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,22 unequal: No Solution Exploring Operation: 13+40=53, Resulting Numbers: [53] 53,22 unequal: No Solution Moving to Node #0,0,1 Current State: 22:[22, 49], Operations: ['75-62=13', '62-13=49'] Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,22 unequal: No Solution Exploring Operation: 22+49=71, Resulting Numbers: [71] 71,22 unequal: No Solution Exploring Operation: 22*49=1078, Resulting Numbers: [1078] 1078,22 unequal: No Solution Moving to Node #0,2,1 Current State: 22:[1, 53], Operations: ['62/62=1', '75-22=53'] Exploring Operation: 53/1=53, Resulting Numbers: [53] 53,22 unequal: No Solution Exploring Operation: 1*53=53, Resulting Numbers: [53] 53,22 unequal: No Solution Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,22 unequal: No Solution Moving to Node #0,0,2 Current State: 22:[62, 9], Operations: ['75-62=13', '22-13=9'] Exploring Operation: 62-9=53, Resulting Numbers: [53] 53,22 unequal: No Solution Exploring Operation: 62*9=558, Resulting Numbers: [558] 558,22 unequal: No Solution Exploring Operation: 62+9=71, Resulting Numbers: [71] 71,22 unequal: No Solution Moving to Node #0,2,0 Current State: 22:[22, 74], Operations: ['62/62=1', '75-1=74'] Exploring Operation: 74-22=52, Resulting Numbers: [52] 52,22 unequal: No Solution Exploring Operation: 22*74=1628, Resulting Numbers: [1628] 1628,22 unequal: No Solution Exploring Operation: 22+74=96, Resulting Numbers: [96] 96,22 unequal: No Solution Moving to Node #0,2,2 Current State: 22:[22, 75], Operations: ['62/62=1', '75*1=75'] Exploring Operation: 22+75=97, Resulting Numbers: [97] 97,22 unequal: No Solution Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,22 unequal: No Solution Exploring Operation: 22*75=1650, Resulting Numbers: [1650] 1650,22 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 28, 51, 2, 87 ]
83
[ "28+51=79", "87+79=166", "166/2=83" ]
Current State: 83:[28, 51, 2, 87], Operations: [] Exploring Operation: 28+51=79, Resulting Numbers: [2, 87, 79] Generated Node #2: [2, 87, 79] from Operation: 28+51=79 Current State: 83:[2, 87, 79], Operations: ['28+51=79'] Exploring Operation: 87+79=166, Resulting Numbers: [2, 166] Generated Node #3: [2, 166] from Operation: 87+79=166 Current State: 83:[2, 166], Operations: ['28+51=79', '87+79=166'] Exploring Operation: 166/2=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[28, 51, 2, 87], Operations: [] Exploring Operation: 28*2=56, Resulting Numbers: [51, 87, 56] Generated Node #0,0: 83:[51, 87, 56] Operation: 28*2=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[51, 87, 56], Operations: ['28*2=56'] Exploring Operation: 51+56=107, Resulting Numbers: [87, 107] Generated Node #0,0,0: 83:[87, 107] Operation: 51+56=107 Moving to Node #0,0,0 Current State: 83:[87, 107], Operations: ['28*2=56', '51+56=107'] Exploring Operation: 107-87=20, Resulting Numbers: [20] 20,83 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
[ 12, 57, 55, 58 ]
64
[ "57-55=2", "12/2=6", "58+6=64" ]
Current State: 64:[12, 57, 55, 58], Operations: [] Exploring Operation: 57-55=2, Resulting Numbers: [12, 58, 2] Generated Node #2: [12, 58, 2] from Operation: 57-55=2 Current State: 64:[12, 58, 2], Operations: ['57-55=2'] Exploring Operation: 12/2=6, Resulting Numbers: [58, 6] Generated Node #3: [58, 6] from Operation: 12/2=6 Current State: 64:[58, 6], Operations: ['57-55=2', '12/2=6'] Exploring Operation: 58+6=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[12, 57, 55, 58], Operations: [] Exploring Operation: 58-55=3, Resulting Numbers: [12, 57, 3] Generated Node #0,0: 64:[12, 57, 3] Operation: 58-55=3 Exploring Operation: 58-57=1, Resulting Numbers: [12, 55, 1] Generated Node #0,1: 64:[12, 55, 1] Operation: 58-57=1 Exploring Operation: 57-55=2, Resulting Numbers: [12, 58, 2] Generated Node #0,2: 64:[12, 58, 2] Operation: 57-55=2 Exploring Operation: 12+55=67, Resulting Numbers: [57, 58, 67] Generated Node #0,3: 64:[57, 58, 67] Operation: 12+55=67 Exploring Operation: 12+57=69, Resulting Numbers: [55, 58, 69] Generated Node #0,4: 64:[55, 58, 69] Operation: 12+57=69 Moving to Node #0,2 Current State: 64:[12, 58, 2], Operations: ['57-55=2'] Exploring Operation: 12+58=70, Resulting Numbers: [2, 70] Generated Node #0,2,0: 64:[2, 70] Operation: 12+58=70 Exploring Operation: 12+2=14, Resulting Numbers: [58, 14] Generated Node #0,2,1: 64:[58, 14] Operation: 12+2=14 Exploring Operation: 58/2=29, Resulting Numbers: [12, 29] Generated Node #0,2,2: 64:[12, 29] Operation: 58/2=29 Exploring Operation: 12-2=10, Resulting Numbers: [58, 10] Generated Node #0,2,3: 64:[58, 10] Operation: 12-2=10 Exploring Operation: 12/2=6, Resulting Numbers: [58, 6] Generated Node #0,2,4: 64:[58, 6] Operation: 12/2=6 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 64:[2, 70], Operations: ['57-55=2', '12+58=70'] Exploring Operation: 2*70=140, Resulting Numbers: [140] 140,64 unequal: No Solution Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,64 unequal: No Solution Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,64 unequal: No Solution Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 64:[12, 29], Operations: ['57-55=2', '58/2=29'] Exploring Operation: 12*29=348, Resulting Numbers: [348] 348,64 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,64 unequal: No Solution Exploring Operation: 12+29=41, Resulting Numbers: [41] 41,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 64:[58, 14], Operations: ['57-55=2', '12+2=14'] Exploring Operation: 58-14=44, Resulting Numbers: [44] 44,64 unequal: No Solution Exploring Operation: 58*14=812, Resulting Numbers: [812] 812,64 unequal: No Solution Exploring Operation: 58+14=72, Resulting Numbers: [72] 72,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 64:[58, 10], Operations: ['57-55=2', '12-2=10'] Exploring Operation: 58+10=68, Resulting Numbers: [68] 68,64 unequal: No Solution Exploring Operation: 58*10=580, Resulting Numbers: [580] 580,64 unequal: No Solution Exploring Operation: 58-10=48, Resulting Numbers: [48] 48,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 64:[58, 6], Operations: ['57-55=2', '12/2=6'] Exploring Operation: 58-6=52, Resulting Numbers: [52] 52,64 unequal: No Solution Exploring Operation: 58+6=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[12, 57, 55, 58], Operations: [] Exploring Operation: 57-55=2, Resulting Numbers: [12, 58, 2] Generated Node #0,2: 64:[12, 58, 2] Operation: 57-55=2 Moving to Node #0,2 Current State: 64:[12, 58, 2], Operations: ['57-55=2'] Exploring Operation: 12/2=6, Resulting Numbers: [58, 6] Generated Node #0,2,4: 64:[58, 6] Operation: 12/2=6 Moving to Node #0,2,4 Current State: 64:[58, 6], Operations: ['57-55=2', '12/2=6'] Exploring Operation: 58+6=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_5
mult_heuristic
[ 20, 43, 27, 11 ]
53
[ "20*27=540", "43+540=583", "583/11=53" ]
Current State: 53:[20, 43, 27, 11], Operations: [] Exploring Operation: 20*27=540, Resulting Numbers: [43, 11, 540] Generated Node #2: [43, 11, 540] from Operation: 20*27=540 Current State: 53:[43, 11, 540], Operations: ['20*27=540'] Exploring Operation: 43+540=583, Resulting Numbers: [11, 583] Generated Node #3: [11, 583] from Operation: 43+540=583 Current State: 53:[11, 583], Operations: ['20*27=540', '43+540=583'] Exploring Operation: 583/11=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[20, 43, 27, 11], Operations: [] Exploring Operation: 27+11=38, Resulting Numbers: [20, 43, 38] Generated Node #0,0: 53:[20, 43, 38] Operation: 27+11=38 Exploring Operation: 20+11=31, Resulting Numbers: [43, 27, 31] Generated Node #0,1: 53:[43, 27, 31] Operation: 20+11=31 Exploring Operation: 20+27=47, Resulting Numbers: [43, 11, 47] Generated Node #0,2: 53:[43, 11, 47] Operation: 20+27=47 Moving to Node #0,0 Current State: 53:[20, 43, 38], Operations: ['27+11=38'] Exploring Operation: 20+38=58, Resulting Numbers: [43, 58] Generated Node #0,0,0: 53:[43, 58] Operation: 20+38=58 Exploring Operation: 43-20=23, Resulting Numbers: [38, 23] Generated Node #0,0,1: 53:[38, 23] Operation: 43-20=23 Exploring Operation: 20+43=63, Resulting Numbers: [38, 63] Generated Node #0,0,2: 53:[38, 63] Operation: 20+43=63 Moving to Node #0,1 Current State: 53:[43, 27, 31], Operations: ['20+11=31'] Exploring Operation: 43+27=70, Resulting Numbers: [31, 70] Generated Node #0,1,0: 53:[31, 70] Operation: 43+27=70 Exploring Operation: 43+31=74, Resulting Numbers: [27, 74] Generated Node #0,1,1: 53:[27, 74] Operation: 43+31=74 Exploring Operation: 27+31=58, Resulting Numbers: [43, 58] Generated Node #0,1,2: 53:[43, 58] Operation: 27+31=58 Moving to Node #0,2 Current State: 53:[43, 11, 47], Operations: ['20+27=47'] Exploring Operation: 43+11=54, Resulting Numbers: [47, 54] Generated Node #0,2,0: 53:[47, 54] Operation: 43+11=54 Exploring Operation: 43-11=32, Resulting Numbers: [47, 32] Generated Node #0,2,1: 53:[47, 32] Operation: 43-11=32 Exploring Operation: 11+47=58, Resulting Numbers: [43, 58] Generated Node #0,2,2: 53:[43, 58] Operation: 11+47=58 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 53:[47, 54], Operations: ['20+27=47', '43+11=54'] Exploring Operation: 47*54=2538, Resulting Numbers: [2538] 2538,53 unequal: No Solution Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,53 unequal: No Solution Exploring Operation: 47+54=101, Resulting Numbers: [101] 101,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 53:[43, 58], Operations: ['20+27=47', '11+47=58'] Exploring Operation: 43+58=101, Resulting Numbers: [101] 101,53 unequal: No Solution Exploring Operation: 43*58=2494, Resulting Numbers: [2494] 2494,53 unequal: No Solution Exploring Operation: 58-43=15, Resulting Numbers: [15] 15,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 53:[47, 32], Operations: ['20+27=47', '43-11=32'] Exploring Operation: 47*32=1504, Resulting Numbers: [1504] 1504,53 unequal: No Solution Exploring Operation: 47+32=79, Resulting Numbers: [79] 79,53 unequal: No Solution Exploring Operation: 47-32=15, Resulting Numbers: [15] 15,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 53:[43, 58], Operations: ['27+11=38', '20+38=58'] Exploring Operation: 58-43=15, Resulting Numbers: [15] 15,53 unequal: No Solution Exploring Operation: 43*58=2494, Resulting Numbers: [2494] 2494,53 unequal: No Solution Exploring Operation: 43+58=101, Resulting Numbers: [101] 101,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[43, 58], Operations: ['20+11=31', '27+31=58'] Exploring Operation: 43+58=101, Resulting Numbers: [101] 101,53 unequal: No Solution Exploring Operation: 43*58=2494, Resulting Numbers: [2494] 2494,53 unequal: No Solution Exploring Operation: 58-43=15, Resulting Numbers: [15] 15,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[38, 63], Operations: ['27+11=38', '20+43=63'] Exploring Operation: 38+63=101, Resulting Numbers: [101] 101,53 unequal: No Solution Exploring Operation: 63-38=25, Resulting Numbers: [25] 25,53 unequal: No Solution Exploring Operation: 38*63=2394, Resulting Numbers: [2394] 2394,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[31, 70], Operations: ['20+11=31', '43+27=70'] Exploring Operation: 70-31=39, Resulting Numbers: [39] 39,53 unequal: No Solution Exploring Operation: 31+70=101, Resulting Numbers: [101] 101,53 unequal: No Solution Exploring Operation: 31*70=2170, Resulting Numbers: [2170] 2170,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[38, 23], Operations: ['27+11=38', '43-20=23'] Exploring Operation: 38*23=874, Resulting Numbers: [874] 874,53 unequal: No Solution Exploring Operation: 38+23=61, Resulting Numbers: [61] 61,53 unequal: No Solution Exploring Operation: 38-23=15, Resulting Numbers: [15] 15,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[27, 74], Operations: ['20+11=31', '43+31=74'] Exploring Operation: 27*74=1998, Resulting Numbers: [1998] 1998,53 unequal: No Solution Exploring Operation: 27+74=101, Resulting Numbers: [101] 101,53 unequal: No Solution Exploring Operation: 74-27=47, Resulting Numbers: [47] 47,53 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 60, 70, 9, 9 ]
28
[ "70-60=10", "9+9=18", "10+18=28" ]
Current State: 28:[60, 70, 9, 9], Operations: [] Exploring Operation: 70-60=10, Resulting Numbers: [9, 9, 10] Generated Node #2: [9, 9, 10] from Operation: 70-60=10 Current State: 28:[9, 9, 10], Operations: ['70-60=10'] Exploring Operation: 9+9=18, Resulting Numbers: [10, 18] Generated Node #3: [10, 18] from Operation: 9+9=18 Current State: 28:[10, 18], Operations: ['70-60=10', '9+9=18'] Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[60, 70, 9, 9], Operations: [] Exploring Operation: 60-9=51, Resulting Numbers: [70, 9, 51] Generated Node #0,0: 28:[70, 9, 51] Operation: 60-9=51 Exploring Operation: 70-60=10, Resulting Numbers: [9, 9, 10] Generated Node #0,1: 28:[9, 9, 10] Operation: 70-60=10 Moving to Node #0,1 Current State: 28:[9, 9, 10], Operations: ['70-60=10'] Exploring Operation: 10-9=1, Resulting Numbers: [9, 1] Generated Node #0,1,0: 28:[9, 1] Operation: 10-9=1 Exploring Operation: 10-9=1, Resulting Numbers: [9, 1] Generated Node #0,1,1: 28:[9, 1] Operation: 10-9=1 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[9, 1], Operations: ['70-60=10', '10-9=1'] Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,28 unequal: No Solution Exploring Operation: 9*1=9, Resulting Numbers: [9] 9,28 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 #0,1,1 Current State: 28:[9, 1], Operations: ['70-60=10', '10-9=1'] Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,28 unequal: No Solution Exploring Operation: 9*1=9, Resulting Numbers: [9] 9,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 28:[70, 9, 51], Operations: ['60-9=51'] Exploring Operation: 70-9=61, Resulting Numbers: [51, 61] Generated Node #0,0,0: 28:[51, 61] Operation: 70-9=61 Exploring Operation: 70-51=19, Resulting Numbers: [9, 19] Generated Node #0,0,1: 28:[9, 19] Operation: 70-51=19 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 28:[9, 19], Operations: ['60-9=51', '70-51=19'] Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[60, 70, 9, 9], Operations: [] Exploring Operation: 60-9=51, Resulting Numbers: [70, 9, 51] Generated Node #0,0: 28:[70, 9, 51] Operation: 60-9=51 Moving to Node #0,0 Current State: 28:[70, 9, 51], Operations: ['60-9=51'] Exploring Operation: 70-51=19, Resulting Numbers: [9, 19] Generated Node #0,0,1: 28:[9, 19] Operation: 70-51=19 Moving to Node #0,0,1 Current State: 28:[9, 19], Operations: ['60-9=51', '70-51=19'] Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 44, 33, 9, 67 ]
90
[ "44+33=77", "77-67=10", "9*10=90" ]
Current State: 90:[44, 33, 9, 67], Operations: [] Exploring Operation: 44+33=77, Resulting Numbers: [9, 67, 77] Generated Node #2: [9, 67, 77] from Operation: 44+33=77 Current State: 90:[9, 67, 77], Operations: ['44+33=77'] Exploring Operation: 77-67=10, Resulting Numbers: [9, 10] Generated Node #3: [9, 10] from Operation: 77-67=10 Current State: 90:[9, 10], Operations: ['44+33=77', '77-67=10'] Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[44, 33, 9, 67], Operations: [] Exploring Operation: 67-44=23, Resulting Numbers: [33, 9, 23] Generated Node #0,0: 90:[33, 9, 23] Operation: 67-44=23 Exploring Operation: 67-33=34, Resulting Numbers: [44, 9, 34] Generated Node #0,1: 90:[44, 9, 34] Operation: 67-33=34 Moving to Node #0,1 Current State: 90:[44, 9, 34], Operations: ['67-33=34'] Exploring Operation: 44-34=10, Resulting Numbers: [9, 10] Generated Node #0,1,0: 90:[9, 10] Operation: 44-34=10 Exploring Operation: 9+34=43, Resulting Numbers: [44, 43] Generated Node #0,1,1: 90:[44, 43] Operation: 9+34=43 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 90:[9, 10], Operations: ['67-33=34', '44-34=10'] Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[44, 33, 9, 67], Operations: [] Exploring Operation: 67-33=34, Resulting Numbers: [44, 9, 34] Generated Node #0,1: 90:[44, 9, 34] Operation: 67-33=34 Moving to Node #0,1 Current State: 90:[44, 9, 34], Operations: ['67-33=34'] Exploring Operation: 44-34=10, Resulting Numbers: [9, 10] Generated Node #0,1,0: 90:[9, 10] Operation: 44-34=10 Moving to Node #0,1,0 Current State: 90:[9, 10], Operations: ['67-33=34', '44-34=10'] Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 65, 59, 54, 18 ]
25
[ "59-54=5", "18*5=90", "90-65=25" ]
Current State: 25:[65, 59, 54, 18], Operations: [] Exploring Operation: 59-54=5, Resulting Numbers: [65, 18, 5] Generated Node #2: [65, 18, 5] from Operation: 59-54=5 Current State: 25:[65, 18, 5], Operations: ['59-54=5'] Exploring Operation: 18*5=90, Resulting Numbers: [65, 90] Generated Node #3: [65, 90] from Operation: 18*5=90 Current State: 25:[65, 90], Operations: ['59-54=5', '18*5=90'] Exploring Operation: 90-65=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[65, 59, 54, 18], Operations: [] Exploring Operation: 59-54=5, Resulting Numbers: [65, 18, 5] Generated Node #0,0: 25:[65, 18, 5] Operation: 59-54=5 Exploring Operation: 65-59=6, Resulting Numbers: [54, 18, 6] Generated Node #0,1: 25:[54, 18, 6] Operation: 65-59=6 Exploring Operation: 65-54=11, Resulting Numbers: [59, 18, 11] Generated Node #0,2: 25:[59, 18, 11] Operation: 65-54=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[54, 18, 6], Operations: ['65-59=6'] Exploring Operation: 54-18=36, Resulting Numbers: [6, 36] Generated Node #0,1,0: 25:[6, 36] Operation: 54-18=36 Exploring Operation: 54/18=3, Resulting Numbers: [6, 3] Generated Node #0,1,1: 25:[6, 3] Operation: 54/18=3 Exploring Operation: 54/6=9, Resulting Numbers: [18, 9] Generated Node #0,1,2: 25:[18, 9] Operation: 54/6=9 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 25:[6, 3], Operations: ['65-59=6', '54/18=3'] Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,25 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,25 unequal: No Solution No 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: 25:[18, 9], Operations: ['65-59=6', '54/6=9'] Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,25 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,25 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:[6, 36], Operations: ['65-59=6', '54-18=36'] Exploring Operation: 6+36=42, Resulting Numbers: [42] 42,25 unequal: No Solution Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,25 unequal: No Solution Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[65, 18, 5], Operations: ['59-54=5'] Exploring Operation: 65/5=13, Resulting Numbers: [18, 13] Generated Node #0,0,0: 25:[18, 13] Operation: 65/5=13 Exploring Operation: 65-5=60, Resulting Numbers: [18, 60] Generated Node #0,0,1: 25:[18, 60] Operation: 65-5=60 Exploring Operation: 65-18=47, Resulting Numbers: [5, 47] Generated Node #0,0,2: 25:[5, 47] Operation: 65-18=47 Moving to Node #0,0,0 Current State: 25:[18, 13], Operations: ['59-54=5', '65/5=13'] Exploring Operation: 18*13=234, Resulting Numbers: [234] 234,25 unequal: No Solution Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,25 unequal: No Solution Exploring Operation: 18+13=31, Resulting Numbers: [31] 31,25 unequal: No Solution Moving to Node #0,0,2 Current State: 25:[5, 47], Operations: ['59-54=5', '65-18=47'] Exploring Operation: 5+47=52, Resulting Numbers: [52] 52,25 unequal: No Solution Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,25 unequal: No Solution Exploring Operation: 5*47=235, Resulting Numbers: [235] 235,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[18, 60], Operations: ['59-54=5', '65-5=60'] Exploring Operation: 60-18=42, Resulting Numbers: [42] 42,25 unequal: No Solution Exploring Operation: 18+60=78, Resulting Numbers: [78] 78,25 unequal: No Solution Exploring Operation: 18*60=1080, Resulting Numbers: [1080] 1080,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[59, 18, 11], Operations: ['65-54=11'] Exploring Operation: 18-11=7, Resulting Numbers: [59, 7] Generated Node #0,2,0: 25:[59, 7] Operation: 18-11=7 Exploring Operation: 59-11=48, Resulting Numbers: [18, 48] Generated Node #0,2,1: 25:[18, 48] Operation: 59-11=48 Exploring Operation: 59-18=41, Resulting Numbers: [11, 41] Generated Node #0,2,2: 25:[11, 41] Operation: 59-18=41 Moving to Node #0,2,2 Current State: 25:[11, 41], Operations: ['65-54=11', '59-18=41'] Exploring Operation: 11+41=52, Resulting Numbers: [52] 52,25 unequal: No Solution Exploring Operation: 11*41=451, Resulting Numbers: [451] 451,25 unequal: No Solution Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[18, 48], Operations: ['65-54=11', '59-11=48'] Exploring Operation: 18+48=66, Resulting Numbers: [66] 66,25 unequal: No Solution Exploring Operation: 18*48=864, Resulting Numbers: [864] 864,25 unequal: No Solution Exploring Operation: 48-18=30, Resulting Numbers: [30] 30,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[59, 7], Operations: ['65-54=11', '18-11=7'] Exploring Operation: 59+7=66, Resulting Numbers: [66] 66,25 unequal: No Solution Exploring Operation: 59-7=52, Resulting Numbers: [52] 52,25 unequal: No Solution Exploring Operation: 59*7=413, Resulting Numbers: [413] 413,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 17, 81, 25, 2 ]
91
[ "81-17=64", "25+2=27", "64+27=91" ]
Current State: 91:[17, 81, 25, 2], Operations: [] Exploring Operation: 81-17=64, Resulting Numbers: [25, 2, 64] Generated Node #2: [25, 2, 64] from Operation: 81-17=64 Current State: 91:[25, 2, 64], Operations: ['81-17=64'] Exploring Operation: 25+2=27, Resulting Numbers: [64, 27] Generated Node #3: [64, 27] from Operation: 25+2=27 Current State: 91:[64, 27], Operations: ['81-17=64', '25+2=27'] Exploring Operation: 64+27=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[17, 81, 25, 2], Operations: [] Exploring Operation: 25-17=8, Resulting Numbers: [81, 2, 8] Generated Node #0,0: 91:[81, 2, 8] Operation: 25-17=8 Exploring Operation: 17+81=98, Resulting Numbers: [25, 2, 98] Generated Node #0,1: 91:[25, 2, 98] Operation: 17+81=98 Moving to Node #0,0 Current State: 91:[81, 2, 8], Operations: ['25-17=8'] Exploring Operation: 81+2=83, Resulting Numbers: [8, 83] Generated Node #0,0,0: 91:[8, 83] Operation: 81+2=83 Exploring Operation: 81+8=89, Resulting Numbers: [2, 89] Generated Node #0,0,1: 91:[2, 89] Operation: 81+8=89 Moving to Node #0,1 Current State: 91:[25, 2, 98], Operations: ['17+81=98'] Exploring Operation: 98-2=96, Resulting Numbers: [25, 96] Generated Node #0,1,0: 91:[25, 96] Operation: 98-2=96 Exploring Operation: 25-2=23, Resulting Numbers: [98, 23] Generated Node #0,1,1: 91:[98, 23] Operation: 25-2=23 Moving to Node #0,0,1 Current State: 91:[2, 89], Operations: ['25-17=8', '81+8=89'] Exploring Operation: 2+89=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[17, 81, 25, 2], Operations: [] Exploring Operation: 25-17=8, Resulting Numbers: [81, 2, 8] Generated Node #0,0: 91:[81, 2, 8] Operation: 25-17=8 Moving to Node #0,0 Current State: 91:[81, 2, 8], Operations: ['25-17=8'] Exploring Operation: 81+8=89, Resulting Numbers: [2, 89] Generated Node #0,0,1: 91:[2, 89] Operation: 81+8=89 Moving to Node #0,0,1 Current State: 91:[2, 89], Operations: ['25-17=8', '81+8=89'] Exploring Operation: 2+89=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
0.990451
hs_2
sum_heuristic
[ 39, 65, 68, 39 ]
81
[ "65-39=26", "68+39=107", "107-26=81" ]
Current State: 81:[39, 65, 68, 39], Operations: [] Exploring Operation: 65-39=26, Resulting Numbers: [68, 26] Generated Node #2: [68, 26] from Operation: 65-39=26 Current State: 81:[68, 26], Operations: ['65-39=26'] Exploring Operation: 68+39=107, Resulting Numbers: [26, 107] Generated Node #3: [26, 107] from Operation: 68+39=107 Current State: 81:[26, 107], Operations: ['65-39=26', '68+39=107'] Exploring Operation: 107-26=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[39, 65, 68, 39], Operations: [] Exploring Operation: 68-65=3, Resulting Numbers: [39, 39, 3] Generated Node #0,0: 81:[39, 39, 3] Operation: 68-65=3 Exploring Operation: 65-39=26, Resulting Numbers: [68, 39, 26] Generated Node #0,1: 81:[68, 39, 26] Operation: 65-39=26 Exploring Operation: 65-39=26, Resulting Numbers: [39, 68, 26] Generated Node #0,2: 81:[39, 68, 26] Operation: 65-39=26 Exploring Operation: 68-39=29, Resulting Numbers: [65, 39, 29] Generated Node #0,3: 81:[65, 39, 29] Operation: 68-39=29 Exploring Operation: 68-39=29, Resulting Numbers: [39, 65, 29] Generated Node #0,4: 81:[39, 65, 29] Operation: 68-39=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[39, 39, 3], Operations: ['68-65=3'] Exploring Operation: 39+39=78, Resulting Numbers: [3, 78] Generated Node #0,0,0: 81:[3, 78] Operation: 39+39=78 Exploring Operation: 39/3=13, Resulting Numbers: [39, 13] Generated Node #0,0,1: 81:[39, 13] Operation: 39/3=13 Exploring Operation: 39/39=1, Resulting Numbers: [3, 1] Generated Node #0,0,2: 81:[3, 1] Operation: 39/39=1 Exploring Operation: 39-39=0, Resulting Numbers: [3, 0] Generated Node #0,0,3: 81:[3, 0] Operation: 39-39=0 Exploring Operation: 39/3=13, Resulting Numbers: [39, 13] Generated Node #0,0,4: 81:[39, 13] Operation: 39/3=13 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 81:[3, 1], Operations: ['68-65=3', '39/39=1'] Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[3, 78], Operations: ['68-65=3', '39+39=78'] Exploring Operation: 3*78=234, Resulting Numbers: [234] 234,81 unequal: No Solution Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,81 unequal: No Solution Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,81 unequal: No Solution Exploring Operation: 3+78=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[39, 65, 68, 39], Operations: [] Exploring Operation: 68-65=3, Resulting Numbers: [39, 39, 3] Generated Node #0,0: 81:[39, 39, 3] Operation: 68-65=3 Moving to Node #0,0 Current State: 81:[39, 39, 3], Operations: ['68-65=3'] Exploring Operation: 39+39=78, Resulting Numbers: [3, 78] Generated Node #0,0,0: 81:[3, 78] Operation: 39+39=78 Moving to Node #0,0,0 Current State: 81:[3, 78], Operations: ['68-65=3', '39+39=78'] Exploring Operation: 3+78=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 86, 49, 28, 95 ]
68
[ "86+49=135", "95-28=67", "135-67=68" ]
Current State: 68:[86, 49, 28, 95], Operations: [] Exploring Operation: 86+49=135, Resulting Numbers: [28, 95, 135] Generated Node #2: [28, 95, 135] from Operation: 86+49=135 Current State: 68:[28, 95, 135], Operations: ['86+49=135'] Exploring Operation: 95-28=67, Resulting Numbers: [135, 67] Generated Node #3: [135, 67] from Operation: 95-28=67 Current State: 68:[135, 67], Operations: ['86+49=135', '95-28=67'] Exploring Operation: 135-67=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[86, 49, 28, 95], Operations: [] Exploring Operation: 95-28=67, Resulting Numbers: [86, 49, 67] Generated Node #0,0: 68:[86, 49, 67] Operation: 95-28=67 Exploring Operation: 95-86=9, Resulting Numbers: [49, 28, 9] Generated Node #0,1: 68:[49, 28, 9] Operation: 95-86=9 Exploring Operation: 86-49=37, Resulting Numbers: [28, 95, 37] Generated Node #0,2: 68:[28, 95, 37] Operation: 86-49=37 Moving to Node #0,1 Current State: 68:[49, 28, 9], Operations: ['95-86=9'] Exploring Operation: 49+28=77, Resulting Numbers: [9, 77] Generated Node #0,1,0: 68:[9, 77] Operation: 49+28=77 Exploring Operation: 49-9=40, Resulting Numbers: [28, 40] Generated Node #0,1,1: 68:[28, 40] Operation: 49-9=40 Exploring Operation: 49-28=21, Resulting Numbers: [9, 21] Generated Node #0,1,2: 68:[9, 21] Operation: 49-28=21 Moving to Node #0,0 Current State: 68:[86, 49, 67], Operations: ['95-28=67'] Exploring Operation: 67-49=18, Resulting Numbers: [86, 18] Generated Node #0,0,0: 68:[86, 18] Operation: 67-49=18 Exploring Operation: 86-67=19, Resulting Numbers: [49, 19] Generated Node #0,0,1: 68:[49, 19] Operation: 86-67=19 Exploring Operation: 86-49=37, Resulting Numbers: [67, 37] Generated Node #0,0,2: 68:[67, 37] Operation: 86-49=37 Moving to Node #0,2 Current State: 68:[28, 95, 37], Operations: ['86-49=37'] Exploring Operation: 95-37=58, Resulting Numbers: [28, 58] Generated Node #0,2,0: 68:[28, 58] Operation: 95-37=58 Exploring Operation: 95-28=67, Resulting Numbers: [37, 67] Generated Node #0,2,1: 68:[37, 67] Operation: 95-28=67 Exploring Operation: 28+37=65, Resulting Numbers: [95, 65] Generated Node #0,2,2: 68:[95, 65] Operation: 28+37=65 Moving to Node #0,0,2 Current State: 68:[67, 37], Operations: ['95-28=67', '86-49=37'] Exploring Operation: 67-37=30, Resulting Numbers: [30] 30,68 unequal: No Solution Exploring Operation: 67+37=104, Resulting Numbers: [104] 104,68 unequal: No Solution Exploring Operation: 67*37=2479, Resulting Numbers: [2479] 2479,68 unequal: No Solution Moving to Node #0,2,1 Current State: 68:[37, 67], Operations: ['86-49=37', '95-28=67'] Exploring Operation: 37+67=104, Resulting Numbers: [104] 104,68 unequal: No Solution Exploring Operation: 37*67=2479, Resulting Numbers: [2479] 2479,68 unequal: No Solution Exploring Operation: 67-37=30, Resulting Numbers: [30] 30,68 unequal: No Solution Moving to Node #0,1,2 Current State: 68:[9, 21], Operations: ['95-86=9', '49-28=21'] Exploring Operation: 9+21=30, Resulting Numbers: [30] 30,68 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,68 unequal: No Solution Exploring Operation: 9*21=189, Resulting Numbers: [189] 189,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[28, 40], Operations: ['95-86=9', '49-9=40'] Exploring Operation: 28+40=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[86, 49, 28, 95], Operations: [] Exploring Operation: 95-86=9, Resulting Numbers: [49, 28, 9] Generated Node #0,1: 68:[49, 28, 9] Operation: 95-86=9 Moving to Node #0,1 Current State: 68:[49, 28, 9], Operations: ['95-86=9'] Exploring Operation: 49-9=40, Resulting Numbers: [28, 40] Generated Node #0,1,1: 68:[28, 40] Operation: 49-9=40 Moving to Node #0,1,1 Current State: 68:[28, 40], Operations: ['95-86=9', '49-9=40'] Exploring Operation: 28+40=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
0.977431
hs_3
mult_heuristic
[ 2, 17, 64, 38 ]
83
[ "2+17=19", "64+38=102", "102-19=83" ]
Current State: 83:[2, 17, 64, 38], Operations: [] Exploring Operation: 2+17=19, Resulting Numbers: [64, 38, 19] Generated Node #2: [64, 38, 19] from Operation: 2+17=19 Current State: 83:[64, 38, 19], Operations: ['2+17=19'] Exploring Operation: 64+38=102, Resulting Numbers: [19, 102] Generated Node #3: [19, 102] from Operation: 64+38=102 Current State: 83:[19, 102], Operations: ['2+17=19', '64+38=102'] Exploring Operation: 102-19=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[2, 17, 64, 38], Operations: [] Exploring Operation: 2*38=76, Resulting Numbers: [17, 64, 76] Generated Node #0,0: 83:[17, 64, 76] Operation: 2*38=76 Exploring Operation: 2*17=34, Resulting Numbers: [64, 38, 34] Generated Node #0,1: 83:[64, 38, 34] Operation: 2*17=34 Exploring Operation: 2+38=40, Resulting Numbers: [17, 64, 40] Generated Node #0,2: 83:[17, 64, 40] Operation: 2+38=40 Exploring Operation: 2+64=66, Resulting Numbers: [17, 38, 66] Generated Node #0,3: 83:[17, 38, 66] Operation: 2+64=66 Exploring Operation: 2+17=19, Resulting Numbers: [64, 38, 19] Generated Node #0,4: 83:[64, 38, 19] Operation: 2+17=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[17, 64, 76], Operations: ['2*38=76'] Exploring Operation: 64-17=47, Resulting Numbers: [76, 47] Generated Node #0,0,0: 83:[76, 47] Operation: 64-17=47 Exploring Operation: 17+64=81, Resulting Numbers: [76, 81] Generated Node #0,0,1: 83:[76, 81] Operation: 17+64=81 Exploring Operation: 17+76=93, Resulting Numbers: [64, 93] Generated Node #0,0,2: 83:[64, 93] Operation: 17+76=93 Exploring Operation: 76-17=59, Resulting Numbers: [64, 59] Generated Node #0,0,3: 83:[64, 59] Operation: 76-17=59 Exploring Operation: 64+76=140, Resulting Numbers: [17, 140] Generated Node #0,0,4: 83:[17, 140] Operation: 64+76=140 Moving to Node #0,0,1 Current State: 83:[76, 81], Operations: ['2*38=76', '17+64=81'] Exploring Operation: 76*81=6156, Resulting Numbers: [6156] 6156,83 unequal: No Solution Exploring Operation: 76+81=157, Resulting Numbers: [157] 157,83 unequal: No Solution Exploring Operation: 81-76=5, Resulting Numbers: [5] 5,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[64, 93], Operations: ['2*38=76', '17+76=93'] Exploring Operation: 64+93=157, Resulting Numbers: [157] 157,83 unequal: No Solution Exploring Operation: 64*93=5952, Resulting Numbers: [5952] 5952,83 unequal: No Solution Exploring Operation: 93-64=29, Resulting Numbers: [29] 29,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[76, 47], Operations: ['2*38=76', '64-17=47'] Exploring Operation: 76-47=29, Resulting Numbers: [29] 29,83 unequal: No Solution Exploring Operation: 76*47=3572, Resulting Numbers: [3572] 3572,83 unequal: No Solution Exploring Operation: 76+47=123, Resulting Numbers: [123] 123,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[64, 59], Operations: ['2*38=76', '76-17=59'] Exploring Operation: 64-59=5, Resulting Numbers: [5] 5,83 unequal: No Solution Exploring Operation: 64*59=3776, Resulting Numbers: [3776] 3776,83 unequal: No Solution Exploring Operation: 64+59=123, Resulting Numbers: [123] 123,83 unequal: No Solution Moving to Node #0,0,4 Current State: 83:[17, 140], Operations: ['2*38=76', '64+76=140'] Exploring Operation: 17+140=157, Resulting Numbers: [157] 157,83 unequal: No Solution Exploring Operation: 17*140=2380, Resulting Numbers: [2380] 2380,83 unequal: No Solution Exploring Operation: 140-17=123, Resulting Numbers: [123] 123,83 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:[64, 38, 34], Operations: ['2*17=34'] Exploring Operation: 64+34=98, Resulting Numbers: [38, 98] Generated Node #0,1,0: 83:[38, 98] Operation: 64+34=98 Exploring Operation: 64-34=30, Resulting Numbers: [38, 30] Generated Node #0,1,1: 83:[38, 30] Operation: 64-34=30 Exploring Operation: 38+34=72, Resulting Numbers: [64, 72] Generated Node #0,1,2: 83:[64, 72] Operation: 38+34=72 Exploring Operation: 38-34=4, Resulting Numbers: [64, 4] Generated Node #0,1,3: 83:[64, 4] Operation: 38-34=4 Exploring Operation: 64+38=102, Resulting Numbers: [34, 102] Generated Node #0,1,4: 83:[34, 102] Operation: 64+38=102 Moving to Node #0,1,2 Current State: 83:[64, 72], Operations: ['2*17=34', '38+34=72'] Exploring Operation: 72-64=8, Resulting Numbers: [8] 8,83 unequal: No Solution Exploring Operation: 64*72=4608, Resulting Numbers: [4608] 4608,83 unequal: No Solution Exploring Operation: 64+72=136, Resulting Numbers: [136] 136,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[38, 98], Operations: ['2*17=34', '64+34=98'] Exploring Operation: 38+98=136, Resulting Numbers: [136] 136,83 unequal: No Solution Exploring Operation: 38*98=3724, Resulting Numbers: [3724] 3724,83 unequal: No Solution Exploring Operation: 98-38=60, Resulting Numbers: [60] 60,83 unequal: No Solution Moving to Node #0,1,4 Current State: 83:[34, 102], Operations: ['2*17=34', '64+38=102'] Exploring Operation: 34+102=136, Resulting Numbers: [136] 136,83 unequal: No Solution Exploring Operation: 102-34=68, Resulting Numbers: [68] 68,83 unequal: No Solution Exploring Operation: 34*102=3468, Resulting Numbers: [3468] 3468,83 unequal: No Solution Exploring Operation: 102/34=3, Resulting Numbers: [3] 3,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[38, 30], Operations: ['2*17=34', '64-34=30'] Exploring Operation: 38+30=68, Resulting Numbers: [68] 68,83 unequal: No Solution Exploring Operation: 38*30=1140, Resulting Numbers: [1140] 1140,83 unequal: No Solution Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[64, 4], Operations: ['2*17=34', '38-34=4'] Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,83 unequal: No Solution Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,83 unequal: No Solution Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,83 unequal: No Solution Exploring Operation: 64*4=256, Resulting Numbers: [256] 256,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[17, 64, 40], Operations: ['2+38=40'] Exploring Operation: 40-17=23, Resulting Numbers: [64, 23] Generated Node #0,2,0: 83:[64, 23] Operation: 40-17=23 Exploring Operation: 17+64=81, Resulting Numbers: [40, 81] Generated Node #0,2,1: 83:[40, 81] Operation: 17+64=81 Exploring Operation: 17+40=57, Resulting Numbers: [64, 57] Generated Node #0,2,2: 83:[64, 57] Operation: 17+40=57 Exploring Operation: 64-17=47, Resulting Numbers: [40, 47] Generated Node #0,2,3: 83:[40, 47] Operation: 64-17=47 Exploring Operation: 64+40=104, Resulting Numbers: [17, 104] Generated Node #0,2,4: 83:[17, 104] Operation: 64+40=104 Moving to Node #0,2,1 Current State: 83:[40, 81], Operations: ['2+38=40', '17+64=81'] Exploring Operation: 40*81=3240, Resulting Numbers: [3240] 3240,83 unequal: No Solution Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,83 unequal: No Solution Exploring Operation: 40+81=121, Resulting Numbers: [121] 121,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[64, 57], Operations: ['2+38=40', '17+40=57'] Exploring Operation: 64+57=121, Resulting Numbers: [121] 121,83 unequal: No Solution Exploring Operation: 64*57=3648, Resulting Numbers: [3648] 3648,83 unequal: No Solution Exploring Operation: 64-57=7, Resulting Numbers: [7] 7,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[64, 23], Operations: ['2+38=40', '40-17=23'] Exploring Operation: 64*23=1472, Resulting Numbers: [1472] 1472,83 unequal: No Solution Exploring Operation: 64-23=41, Resulting Numbers: [41] 41,83 unequal: No Solution Exploring Operation: 64+23=87, Resulting Numbers: [87] 87,83 unequal: No Solution Moving to Node #0,2,3 Current State: 83:[40, 47], Operations: ['2+38=40', '64-17=47'] Exploring Operation: 40*47=1880, Resulting Numbers: [1880] 1880,83 unequal: No Solution Exploring Operation: 47-40=7, Resulting Numbers: [7] 7,83 unequal: No Solution Exploring Operation: 40+47=87, Resulting Numbers: [87] 87,83 unequal: No Solution Moving to Node #0,2,4 Current State: 83:[17, 104], Operations: ['2+38=40', '64+40=104'] Exploring Operation: 17*104=1768, Resulting Numbers: [1768] 1768,83 unequal: No Solution Exploring Operation: 104-17=87, Resulting Numbers: [87] 87,83 unequal: No Solution Exploring Operation: 17+104=121, Resulting Numbers: [121] 121,83 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 #0,3 Current State: 83:[17, 38, 66], Operations: ['2+64=66'] Exploring Operation: 17+66=83, Resulting Numbers: [38, 83] Generated Node #0,3,0: 83:[38, 83] Operation: 17+66=83 Exploring Operation: 17+38=55, Resulting Numbers: [66, 55] Generated Node #0,3,1: 83:[66, 55] Operation: 17+38=55 Exploring Operation: 38+66=104, Resulting Numbers: [17, 104] Generated Node #0,3,2: 83:[17, 104] Operation: 38+66=104 Exploring Operation: 38-17=21, Resulting Numbers: [66, 21] Generated Node #0,3,3: 83:[66, 21] Operation: 38-17=21 Exploring Operation: 66-17=49, Resulting Numbers: [38, 49] Generated Node #0,3,4: 83:[38, 49] Operation: 66-17=49 Moving to Node #0,3,0 Current State: 83:[38, 83], Operations: ['2+64=66', '17+66=83'] Exploring Operation: 83-38=45, Resulting Numbers: [45] 45,83 unequal: No Solution Exploring Operation: 38*83=3154, Resulting Numbers: [3154] 3154,83 unequal: No Solution Exploring Operation: 38+83=121, Resulting Numbers: [121] 121,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[66, 55], Operations: ['2+64=66', '17+38=55'] Exploring Operation: 66*55=3630, Resulting Numbers: [3630] 3630,83 unequal: No Solution Exploring Operation: 66+55=121, Resulting Numbers: [121] 121,83 unequal: No Solution Exploring Operation: 66-55=11, Resulting Numbers: [11] 11,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[66, 21], Operations: ['2+64=66', '38-17=21'] Exploring Operation: 66-21=45, Resulting Numbers: [45] 45,83 unequal: No Solution Exploring Operation: 66*21=1386, Resulting Numbers: [1386] 1386,83 unequal: No Solution Exploring Operation: 66+21=87, Resulting Numbers: [87] 87,83 unequal: No Solution Moving to Node #0,3,4 Current State: 83:[38, 49], Operations: ['2+64=66', '66-17=49'] Exploring Operation: 38*49=1862, Resulting Numbers: [1862] 1862,83 unequal: No Solution Exploring Operation: 49-38=11, Resulting Numbers: [11] 11,83 unequal: No Solution Exploring Operation: 38+49=87, Resulting Numbers: [87] 87,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[17, 104], Operations: ['2+64=66', '38+66=104'] Exploring Operation: 17*104=1768, Resulting Numbers: [1768] 1768,83 unequal: No Solution Exploring Operation: 104-17=87, Resulting Numbers: [87] 87,83 unequal: No Solution Exploring Operation: 17+104=121, Resulting Numbers: [121] 121,83 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 #0,4 Current State: 83:[64, 38, 19], Operations: ['2+17=19'] Exploring Operation: 38+19=57, Resulting Numbers: [64, 57] Generated Node #0,4,0: 83:[64, 57] Operation: 38+19=57 Exploring Operation: 38-19=19, Resulting Numbers: [64, 19] Generated Node #0,4,1: 83:[64, 19] Operation: 38-19=19 Exploring Operation: 64+19=83, Resulting Numbers: [38, 83] Generated Node #0,4,2: 83:[38, 83] Operation: 64+19=83 Exploring Operation: 64-19=45, Resulting Numbers: [38, 45] Generated Node #0,4,3: 83:[38, 45] Operation: 64-19=45 Exploring Operation: 64+38=102, Resulting Numbers: [19, 102] Generated Node #0,4,4: 83:[19, 102] Operation: 64+38=102 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 83:[64, 57], Operations: ['2+17=19', '38+19=57'] Exploring Operation: 64-57=7, Resulting Numbers: [7] 7,83 unequal: No Solution Exploring Operation: 64*57=3648, Resulting Numbers: [3648] 3648,83 unequal: No Solution Exploring Operation: 64+57=121, Resulting Numbers: [121] 121,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 83:[38, 83], Operations: ['2+17=19', '64+19=83'] Exploring Operation: 38+83=121, Resulting Numbers: [121] 121,83 unequal: No Solution Exploring Operation: 38*83=3154, Resulting Numbers: [3154] 3154,83 unequal: No Solution Exploring Operation: 83-38=45, Resulting Numbers: [45] 45,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 83:[64, 19], Operations: ['2+17=19', '38-19=19'] Exploring Operation: 64*19=1216, Resulting Numbers: [1216] 1216,83 unequal: No Solution Exploring Operation: 64+19=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[2, 17, 64, 38], Operations: [] Exploring Operation: 2+17=19, Resulting Numbers: [64, 38, 19] Generated Node #0,4: 83:[64, 38, 19] Operation: 2+17=19 Moving to Node #0,4 Current State: 83:[64, 38, 19], Operations: ['2+17=19'] Exploring Operation: 38-19=19, Resulting Numbers: [64, 19] Generated Node #0,4,1: 83:[64, 19] Operation: 38-19=19 Moving to Node #0,4,1 Current State: 83:[64, 19], Operations: ['2+17=19', '38-19=19'] Exploring Operation: 64+19=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.909722
hs_5
sum_heuristic
[ 55, 29, 19, 90 ]
97
[ "55-29=26", "90-19=71", "26+71=97" ]
Current State: 97:[55, 29, 19, 90], Operations: [] Exploring Operation: 55-29=26, Resulting Numbers: [19, 90, 26] Generated Node #2: [19, 90, 26] from Operation: 55-29=26 Current State: 97:[19, 90, 26], Operations: ['55-29=26'] Exploring Operation: 90-19=71, Resulting Numbers: [26, 71] Generated Node #3: [26, 71] from Operation: 90-19=71 Current State: 97:[26, 71], Operations: ['55-29=26', '90-19=71'] Exploring Operation: 26+71=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[55, 29, 19, 90], Operations: [] Exploring Operation: 29+19=48, Resulting Numbers: [55, 90, 48] Generated Node #0,0: 97:[55, 90, 48] Operation: 29+19=48 Exploring Operation: 55+29=84, Resulting Numbers: [19, 90, 84] Generated Node #0,1: 97:[19, 90, 84] Operation: 55+29=84 Exploring Operation: 55-19=36, Resulting Numbers: [29, 90, 36] Generated Node #0,2: 97:[29, 90, 36] Operation: 55-19=36 Exploring Operation: 19+90=109, Resulting Numbers: [55, 29, 109] Generated Node #0,3: 97:[55, 29, 109] Operation: 19+90=109 Exploring Operation: 55+19=74, Resulting Numbers: [29, 90, 74] Generated Node #0,4: 97:[29, 90, 74] Operation: 55+19=74 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[55, 90, 48], Operations: ['29+19=48'] Exploring Operation: 90-48=42, Resulting Numbers: [55, 42] Generated Node #0,0,0: 97:[55, 42] Operation: 90-48=42 Exploring Operation: 55-48=7, Resulting Numbers: [90, 7] Generated Node #0,0,1: 97:[90, 7] Operation: 55-48=7 Exploring Operation: 55+48=103, Resulting Numbers: [90, 103] Generated Node #0,0,2: 97:[90, 103] Operation: 55+48=103 Exploring Operation: 55+90=145, Resulting Numbers: [48, 145] Generated Node #0,0,3: 97:[48, 145] Operation: 55+90=145 Exploring Operation: 90+48=138, Resulting Numbers: [55, 138] Generated Node #0,0,4: 97:[55, 138] Operation: 90+48=138 Moving to Node #0,0,2 Current State: 97:[90, 103], Operations: ['29+19=48', '55+48=103'] Exploring Operation: 103-90=13, Resulting Numbers: [13] 13,97 unequal: No Solution Exploring Operation: 90+103=193, Resulting Numbers: [193] 193,97 unequal: No Solution Exploring Operation: 90*103=9270, Resulting Numbers: [9270] 9270,97 unequal: No Solution Moving to Node #0,0,4 Current State: 97:[55, 138], Operations: ['29+19=48', '90+48=138'] Exploring Operation: 55*138=7590, Resulting Numbers: [7590] 7590,97 unequal: No Solution Exploring Operation: 138-55=83, Resulting Numbers: [83] 83,97 unequal: No Solution Exploring Operation: 55+138=193, Resulting Numbers: [193] 193,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[55, 42], Operations: ['29+19=48', '90-48=42'] Exploring Operation: 55*42=2310, Resulting Numbers: [2310] 2310,97 unequal: No Solution Exploring Operation: 55-42=13, Resulting Numbers: [13] 13,97 unequal: No Solution Exploring Operation: 55+42=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[55, 29, 19, 90], Operations: [] Exploring Operation: 29+19=48, Resulting Numbers: [55, 90, 48] Generated Node #0,0: 97:[55, 90, 48] Operation: 29+19=48 Moving to Node #0,0 Current State: 97:[55, 90, 48], Operations: ['29+19=48'] Exploring Operation: 90-48=42, Resulting Numbers: [55, 42] Generated Node #0,0,0: 97:[55, 42] Operation: 90-48=42 Moving to Node #0,0,0 Current State: 97:[55, 42], Operations: ['29+19=48', '90-48=42'] Exploring Operation: 55+42=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 62, 2, 98, 5 ]
43
[ "62-2=60", "98+5=103", "103-60=43" ]
Current State: 43:[62, 2, 98, 5], Operations: [] Exploring Operation: 62-2=60, Resulting Numbers: [98, 5, 60] Generated Node #2: [98, 5, 60] from Operation: 62-2=60 Current State: 43:[98, 5, 60], Operations: ['62-2=60'] Exploring Operation: 98+5=103, Resulting Numbers: [60, 103] Generated Node #3: [60, 103] from Operation: 98+5=103 Current State: 43:[60, 103], Operations: ['62-2=60', '98+5=103'] Exploring Operation: 103-60=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[62, 2, 98, 5], Operations: [] Exploring Operation: 98/2=49, Resulting Numbers: [62, 5, 49] Generated Node #0,0: 43:[62, 5, 49] Operation: 98/2=49 Exploring Operation: 62/2=31, Resulting Numbers: [98, 5, 31] Generated Node #0,1: 43:[98, 5, 31] Operation: 62/2=31 Exploring Operation: 62-2=60, Resulting Numbers: [98, 5, 60] Generated Node #0,2: 43:[98, 5, 60] Operation: 62-2=60 Exploring Operation: 2*5=10, Resulting Numbers: [62, 98, 10] Generated Node #0,3: 43:[62, 98, 10] Operation: 2*5=10 Exploring Operation: 98-62=36, Resulting Numbers: [2, 5, 36] Generated Node #0,4: 43:[2, 5, 36] Operation: 98-62=36 Moving to Node #0,0 Current State: 43:[62, 5, 49], Operations: ['98/2=49'] Exploring Operation: 49-5=44, Resulting Numbers: [62, 44] Generated Node #0,0,0: 43:[62, 44] Operation: 49-5=44 Exploring Operation: 62+5=67, Resulting Numbers: [49, 67] Generated Node #0,0,1: 43:[49, 67] Operation: 62+5=67 Exploring Operation: 62-49=13, Resulting Numbers: [5, 13] Generated Node #0,0,2: 43:[5, 13] Operation: 62-49=13 Exploring Operation: 62-5=57, Resulting Numbers: [49, 57] Generated Node #0,0,3: 43:[49, 57] Operation: 62-5=57 Exploring Operation: 5+49=54, Resulting Numbers: [62, 54] Generated Node #0,0,4: 43:[62, 54] Operation: 5+49=54 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[62, 44], Operations: ['98/2=49', '49-5=44'] Exploring Operation: 62*44=2728, Resulting Numbers: [2728] 2728,43 unequal: No Solution Exploring Operation: 62+44=106, Resulting Numbers: [106] 106,43 unequal: No Solution Exploring Operation: 62-44=18, Resulting Numbers: [18] 18,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 43:[49, 57], Operations: ['98/2=49', '62-5=57'] Exploring Operation: 49*57=2793, Resulting Numbers: [2793] 2793,43 unequal: No Solution Exploring Operation: 57-49=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 49+57=106, Resulting Numbers: [106] 106,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 43:[49, 67], Operations: ['98/2=49', '62+5=67'] Exploring Operation: 49+67=116, Resulting Numbers: [116] 116,43 unequal: No Solution Exploring Operation: 67-49=18, Resulting Numbers: [18] 18,43 unequal: No Solution Exploring Operation: 49*67=3283, Resulting Numbers: [3283] 3283,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 43:[62, 54], Operations: ['98/2=49', '5+49=54'] Exploring Operation: 62+54=116, Resulting Numbers: [116] 116,43 unequal: No Solution Exploring Operation: 62-54=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 62*54=3348, Resulting Numbers: [3348] 3348,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 43:[5, 13], Operations: ['98/2=49', '62-49=13'] Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,43 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,43 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: 43:[2, 5, 36], Operations: ['98-62=36'] Exploring Operation: 2+36=38, Resulting Numbers: [5, 38] Generated Node #0,4,0: 43:[5, 38] Operation: 2+36=38 Exploring Operation: 2+5=7, Resulting Numbers: [36, 7] Generated Node #0,4,1: 43:[36, 7] Operation: 2+5=7 Exploring Operation: 2*5=10, Resulting Numbers: [36, 10] Generated Node #0,4,2: 43:[36, 10] Operation: 2*5=10 Exploring Operation: 5-2=3, Resulting Numbers: [36, 3] Generated Node #0,4,3: 43:[36, 3] Operation: 5-2=3 Exploring Operation: 5+36=41, Resulting Numbers: [2, 41] Generated Node #0,4,4: 43:[2, 41] Operation: 5+36=41 Moving to Node #0,1 Current State: 43:[98, 5, 31], Operations: ['62/2=31'] Exploring Operation: 5+31=36, Resulting Numbers: [98, 36] Generated Node #0,1,0: 43:[98, 36] Operation: 5+31=36 Exploring Operation: 98-5=93, Resulting Numbers: [31, 93] Generated Node #0,1,1: 43:[31, 93] Operation: 98-5=93 Exploring Operation: 31-5=26, Resulting Numbers: [98, 26] Generated Node #0,1,2: 43:[98, 26] Operation: 31-5=26 Exploring Operation: 98+5=103, Resulting Numbers: [31, 103] Generated Node #0,1,3: 43:[31, 103] Operation: 98+5=103 Exploring Operation: 98-31=67, Resulting Numbers: [5, 67] Generated Node #0,1,4: 43:[5, 67] Operation: 98-31=67 Moving to Node #0,3 Current State: 43:[62, 98, 10], Operations: ['2*5=10'] Exploring Operation: 98-10=88, Resulting Numbers: [62, 88] Generated Node #0,3,0: 43:[62, 88] Operation: 98-10=88 Exploring Operation: 98-62=36, Resulting Numbers: [10, 36] Generated Node #0,3,1: 43:[10, 36] Operation: 98-62=36 Exploring Operation: 62+10=72, Resulting Numbers: [98, 72] Generated Node #0,3,2: 43:[98, 72] Operation: 62+10=72 Exploring Operation: 98+10=108, Resulting Numbers: [62, 108] Generated Node #0,3,3: 43:[62, 108] Operation: 98+10=108 Exploring Operation: 62-10=52, Resulting Numbers: [98, 52] Generated Node #0,3,4: 43:[98, 52] Operation: 62-10=52 Moving to Node #0,2 Current State: 43:[98, 5, 60], Operations: ['62-2=60'] Exploring Operation: 98-60=38, Resulting Numbers: [5, 38] Generated Node #0,2,0: 43:[5, 38] Operation: 98-60=38 Exploring Operation: 98-5=93, Resulting Numbers: [60, 93] Generated Node #0,2,1: 43:[60, 93] Operation: 98-5=93 Exploring Operation: 60-5=55, Resulting Numbers: [98, 55] Generated Node #0,2,2: 43:[98, 55] Operation: 60-5=55 Exploring Operation: 5+60=65, Resulting Numbers: [98, 65] Generated Node #0,2,3: 43:[98, 65] Operation: 5+60=65 Exploring Operation: 98+5=103, Resulting Numbers: [60, 103] Generated Node #0,2,4: 43:[60, 103] Operation: 98+5=103 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 43:[5, 38], Operations: ['62-2=60', '98-60=38'] Exploring Operation: 5+38=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[62, 2, 98, 5], Operations: [] Exploring Operation: 62-2=60, Resulting Numbers: [98, 5, 60] Generated Node #0,2: 43:[98, 5, 60] Operation: 62-2=60 Moving to Node #0,2 Current State: 43:[98, 5, 60], Operations: ['62-2=60'] Exploring Operation: 98-60=38, Resulting Numbers: [5, 38] Generated Node #0,2,0: 43:[5, 38] Operation: 98-60=38 Moving to Node #0,2,0 Current State: 43:[5, 38], Operations: ['62-2=60', '98-60=38'] Exploring Operation: 5+38=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.956597
hs_5
mult_heuristic
[ 58, 37, 7, 78 ]
26
[ "58-37=21", "7*78=546", "546/21=26" ]
Current State: 26:[58, 37, 7, 78], Operations: [] Exploring Operation: 58-37=21, Resulting Numbers: [7, 78, 21] Generated Node #2: [7, 78, 21] from Operation: 58-37=21 Current State: 26:[7, 78, 21], Operations: ['58-37=21'] Exploring Operation: 7*78=546, Resulting Numbers: [21, 546] Generated Node #3: [21, 546] from Operation: 7*78=546 Current State: 26:[21, 546], Operations: ['58-37=21', '7*78=546'] Exploring Operation: 546/21=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[58, 37, 7, 78], Operations: [] Exploring Operation: 58-7=51, Resulting Numbers: [37, 78, 51] Generated Node #0,0: 26:[37, 78, 51] Operation: 58-7=51 Exploring Operation: 58-37=21, Resulting Numbers: [7, 78, 21] Generated Node #0,1: 26:[7, 78, 21] Operation: 58-37=21 Exploring Operation: 78-37=41, Resulting Numbers: [58, 7, 41] Generated Node #0,2: 26:[58, 7, 41] Operation: 78-37=41 Exploring Operation: 78-58=20, Resulting Numbers: [37, 7, 20] Generated Node #0,3: 26:[37, 7, 20] Operation: 78-58=20 Start Sub Search at level 1: Moving to Node #0,3 Current State: 26:[37, 7, 20], Operations: ['78-58=20'] Exploring Operation: 37-20=17, Resulting Numbers: [7, 17] Generated Node #0,3,0: 26:[7, 17] Operation: 37-20=17 Exploring Operation: 20-7=13, Resulting Numbers: [37, 13] Generated Node #0,3,1: 26:[37, 13] Operation: 20-7=13 Exploring Operation: 7+20=27, Resulting Numbers: [37, 27] Generated Node #0,3,2: 26:[37, 27] Operation: 7+20=27 Exploring Operation: 37-7=30, Resulting Numbers: [20, 30] Generated Node #0,3,3: 26:[20, 30] Operation: 37-7=30 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 26:[7, 17], Operations: ['78-58=20', '37-20=17'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,26 unequal: No Solution Exploring Operation: 7*17=119, Resulting Numbers: [119] 119,26 unequal: No Solution Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 26:[20, 30], Operations: ['78-58=20', '37-7=30'] Exploring Operation: 30-20=10, Resulting Numbers: [10] 10,26 unequal: No Solution Exploring Operation: 20*30=600, Resulting Numbers: [600] 600,26 unequal: No Solution Exploring Operation: 20+30=50, Resulting Numbers: [50] 50,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 26:[37, 13], Operations: ['78-58=20', '20-7=13'] Exploring Operation: 37-13=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 37+13=50, Resulting Numbers: [50] 50,26 unequal: No Solution Exploring Operation: 37*13=481, Resulting Numbers: [481] 481,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 26:[37, 27], Operations: ['78-58=20', '7+20=27'] Exploring Operation: 37*27=999, Resulting Numbers: [999] 999,26 unequal: No Solution Exploring Operation: 37-27=10, Resulting Numbers: [10] 10,26 unequal: No Solution Exploring Operation: 37+27=64, Resulting Numbers: [64] 64,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 26:[58, 7, 41], Operations: ['78-37=41'] Exploring Operation: 58-7=51, Resulting Numbers: [41, 51] Generated Node #0,2,0: 26:[41, 51] Operation: 58-7=51 Exploring Operation: 58-41=17, Resulting Numbers: [7, 17] Generated Node #0,2,1: 26:[7, 17] Operation: 58-41=17 Exploring Operation: 58+7=65, Resulting Numbers: [41, 65] Generated Node #0,2,2: 26:[41, 65] Operation: 58+7=65 Exploring Operation: 41-7=34, Resulting Numbers: [58, 34] Generated Node #0,2,3: 26:[58, 34] Operation: 41-7=34 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 26:[7, 17], Operations: ['78-37=41', '58-41=17'] Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 7*17=119, Resulting Numbers: [119] 119,26 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 26:[41, 51], Operations: ['78-37=41', '58-7=51'] Exploring Operation: 41*51=2091, Resulting Numbers: [2091] 2091,26 unequal: No Solution Exploring Operation: 51-41=10, Resulting Numbers: [10] 10,26 unequal: No Solution Exploring Operation: 41+51=92, Resulting Numbers: [92] 92,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 26:[58, 34], Operations: ['78-37=41', '41-7=34'] Exploring Operation: 58*34=1972, Resulting Numbers: [1972] 1972,26 unequal: No Solution Exploring Operation: 58+34=92, Resulting Numbers: [92] 92,26 unequal: No Solution Exploring Operation: 58-34=24, Resulting Numbers: [24] 24,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 26:[41, 65], Operations: ['78-37=41', '58+7=65'] Exploring Operation: 41*65=2665, Resulting Numbers: [2665] 2665,26 unequal: No Solution Exploring Operation: 65-41=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 41+65=106, Resulting Numbers: [106] 106,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[7, 78, 21], Operations: ['58-37=21'] Exploring Operation: 21-7=14, Resulting Numbers: [78, 14] Generated Node #0,1,0: 26:[78, 14] Operation: 21-7=14 Exploring Operation: 78-21=57, Resulting Numbers: [7, 57] Generated Node #0,1,1: 26:[7, 57] Operation: 78-21=57 Exploring Operation: 78-7=71, Resulting Numbers: [21, 71] Generated Node #0,1,2: 26:[21, 71] Operation: 78-7=71 Exploring Operation: 21/7=3, Resulting Numbers: [78, 3] Generated Node #0,1,3: 26:[78, 3] Operation: 21/7=3 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 26:[7, 57], Operations: ['58-37=21', '78-21=57'] Exploring Operation: 7*57=399, Resulting Numbers: [399] 399,26 unequal: No Solution Exploring Operation: 7+57=64, Resulting Numbers: [64] 64,26 unequal: No Solution Exploring Operation: 57-7=50, Resulting Numbers: [50] 50,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 26:[21, 71], Operations: ['58-37=21', '78-7=71'] Exploring Operation: 21+71=92, Resulting Numbers: [92] 92,26 unequal: No Solution Exploring Operation: 21*71=1491, Resulting Numbers: [1491] 1491,26 unequal: No Solution Exploring Operation: 71-21=50, Resulting Numbers: [50] 50,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 26:[78, 14], Operations: ['58-37=21', '21-7=14'] Exploring Operation: 78*14=1092, Resulting Numbers: [1092] 1092,26 unequal: No Solution Exploring Operation: 78-14=64, Resulting Numbers: [64] 64,26 unequal: No Solution Exploring Operation: 78+14=92, Resulting Numbers: [92] 92,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 26:[78, 3], Operations: ['58-37=21', '21/7=3'] Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,26 unequal: No Solution Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,26 unequal: No Solution Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[58, 37, 7, 78], Operations: [] Exploring Operation: 58-37=21, Resulting Numbers: [7, 78, 21] Generated Node #0,1: 26:[7, 78, 21] Operation: 58-37=21 Moving to Node #0,1 Current State: 26:[7, 78, 21], Operations: ['58-37=21'] Exploring Operation: 21/7=3, Resulting Numbers: [78, 3] Generated Node #0,1,3: 26:[78, 3] Operation: 21/7=3 Moving to Node #0,1,3 Current State: 26:[78, 3], Operations: ['58-37=21', '21/7=3'] Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.951389
hs_4
mult_heuristic
[ 27, 90, 24, 49 ]
38
[ "90-27=63", "49-24=25", "63-25=38" ]
Current State: 38:[27, 90, 24, 49], Operations: [] Exploring Operation: 90-27=63, Resulting Numbers: [24, 49, 63] Generated Node #2: [24, 49, 63] from Operation: 90-27=63 Current State: 38:[24, 49, 63], Operations: ['90-27=63'] Exploring Operation: 49-24=25, Resulting Numbers: [63, 25] Generated Node #3: [63, 25] from Operation: 49-24=25 Current State: 38:[63, 25], Operations: ['90-27=63', '49-24=25'] Exploring Operation: 63-25=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[27, 90, 24, 49], Operations: [] Exploring Operation: 90-24=66, Resulting Numbers: [27, 49, 66] Generated Node #0,0: 38:[27, 49, 66] Operation: 90-24=66 Exploring Operation: 90-49=41, Resulting Numbers: [27, 24, 41] Generated Node #0,1: 38:[27, 24, 41] Operation: 90-49=41 Exploring Operation: 90-27=63, Resulting Numbers: [24, 49, 63] Generated Node #0,2: 38:[24, 49, 63] Operation: 90-27=63 Exploring Operation: 49-27=22, Resulting Numbers: [90, 24, 22] Generated Node #0,3: 38:[90, 24, 22] Operation: 49-27=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[27, 24, 41], Operations: ['90-49=41'] Exploring Operation: 41-24=17, Resulting Numbers: [27, 17] Generated Node #0,1,0: 38:[27, 17] Operation: 41-24=17 Exploring Operation: 41-27=14, Resulting Numbers: [24, 14] Generated Node #0,1,1: 38:[24, 14] Operation: 41-27=14 Exploring Operation: 27+24=51, Resulting Numbers: [41, 51] Generated Node #0,1,2: 38:[41, 51] Operation: 27+24=51 Exploring Operation: 27-24=3, Resulting Numbers: [41, 3] Generated Node #0,1,3: 38:[41, 3] Operation: 27-24=3 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 38:[41, 3], Operations: ['90-49=41', '27-24=3'] Exploring Operation: 41*3=123, Resulting Numbers: [123] 123,38 unequal: No Solution Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,38 unequal: No Solution Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[27, 90, 24, 49], Operations: [] Exploring Operation: 90-49=41, Resulting Numbers: [27, 24, 41] Generated Node #0,1: 38:[27, 24, 41] Operation: 90-49=41 Moving to Node #0,1 Current State: 38:[27, 24, 41], Operations: ['90-49=41'] Exploring Operation: 27-24=3, Resulting Numbers: [41, 3] Generated Node #0,1,3: 38:[41, 3] Operation: 27-24=3 Moving to Node #0,1,3 Current State: 38:[41, 3], Operations: ['90-49=41', '27-24=3'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 33, 17, 79, 76 ]
28
[ "79-76=3", "33/3=11", "17+11=28" ]
Current State: 28:[33, 17, 79, 76], Operations: [] Exploring Operation: 79-76=3, Resulting Numbers: [33, 17, 3] Generated Node #2: [33, 17, 3] from Operation: 79-76=3 Current State: 28:[33, 17, 3], Operations: ['79-76=3'] Exploring Operation: 33/3=11, Resulting Numbers: [17, 11] Generated Node #3: [17, 11] from Operation: 33/3=11 Current State: 28:[17, 11], Operations: ['79-76=3', '33/3=11'] Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[33, 17, 79, 76], Operations: [] Exploring Operation: 79-76=3, Resulting Numbers: [33, 17, 3] Generated Node #0,0: 28:[33, 17, 3] Operation: 79-76=3 Exploring Operation: 76-33=43, Resulting Numbers: [17, 79, 43] Generated Node #0,1: 28:[17, 79, 43] Operation: 76-33=43 Exploring Operation: 79-33=46, Resulting Numbers: [17, 76, 46] Generated Node #0,2: 28:[17, 76, 46] Operation: 79-33=46 Moving to Node #0,0 Current State: 28:[33, 17, 3], Operations: ['79-76=3'] Exploring Operation: 33-17=16, Resulting Numbers: [3, 16] Generated Node #0,0,0: 28:[3, 16] Operation: 33-17=16 Exploring Operation: 17-3=14, Resulting Numbers: [33, 14] Generated Node #0,0,1: 28:[33, 14] Operation: 17-3=14 Exploring Operation: 33-3=30, Resulting Numbers: [17, 30] Generated Node #0,0,2: 28:[17, 30] Operation: 33-3=30 Moving to Node #0,1 Current State: 28:[17, 79, 43], Operations: ['76-33=43'] Exploring Operation: 79-17=62, Resulting Numbers: [43, 62] Generated Node #0,1,0: 28:[43, 62] Operation: 79-17=62 Exploring Operation: 79-43=36, Resulting Numbers: [17, 36] Generated Node #0,1,1: 28:[17, 36] Operation: 79-43=36 Exploring Operation: 43-17=26, Resulting Numbers: [79, 26] Generated Node #0,1,2: 28:[79, 26] Operation: 43-17=26 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[17, 36], Operations: ['76-33=43', '79-43=36'] Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,28 unequal: No Solution Exploring Operation: 17*36=612, Resulting Numbers: [612] 612,28 unequal: No Solution Exploring Operation: 17+36=53, Resulting Numbers: [53] 53,28 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:[43, 62], Operations: ['76-33=43', '79-17=62'] Exploring Operation: 43*62=2666, Resulting Numbers: [2666] 2666,28 unequal: No Solution Exploring Operation: 62-43=19, Resulting Numbers: [19] 19,28 unequal: No Solution Exploring Operation: 43+62=105, Resulting Numbers: [105] 105,28 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 #0,1,2 Current State: 28:[79, 26], Operations: ['76-33=43', '43-17=26'] Exploring Operation: 79-26=53, Resulting Numbers: [53] 53,28 unequal: No Solution Exploring Operation: 79*26=2054, Resulting Numbers: [2054] 2054,28 unequal: No Solution Exploring Operation: 79+26=105, Resulting Numbers: [105] 105,28 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: 28:[17, 76, 46], Operations: ['79-33=46'] Exploring Operation: 46-17=29, Resulting Numbers: [76, 29] Generated Node #0,2,0: 28:[76, 29] Operation: 46-17=29 Exploring Operation: 76-17=59, Resulting Numbers: [46, 59] Generated Node #0,2,1: 28:[46, 59] Operation: 76-17=59 Exploring Operation: 76-46=30, Resulting Numbers: [17, 30] Generated Node #0,2,2: 28:[17, 30] Operation: 76-46=30 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 28:[17, 30], Operations: ['79-33=46', '76-46=30'] Exploring Operation: 17+30=47, Resulting Numbers: [47] 47,28 unequal: No Solution Exploring Operation: 30-17=13, Resulting Numbers: [13] 13,28 unequal: No Solution Exploring Operation: 17*30=510, Resulting Numbers: [510] 510,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 28:[76, 29], Operations: ['79-33=46', '46-17=29'] Exploring Operation: 76*29=2204, Resulting Numbers: [2204] 2204,28 unequal: No Solution Exploring Operation: 76-29=47, Resulting Numbers: [47] 47,28 unequal: No Solution Exploring Operation: 76+29=105, Resulting Numbers: [105] 105,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 28:[46, 59], Operations: ['79-33=46', '76-17=59'] Exploring Operation: 46*59=2714, Resulting Numbers: [2714] 2714,28 unequal: No Solution Exploring Operation: 46+59=105, Resulting Numbers: [105] 105,28 unequal: No Solution Exploring Operation: 59-46=13, Resulting Numbers: [13] 13,28 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:[3, 16], Operations: ['79-76=3', '33-17=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,28 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,28 unequal: No Solution Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[33, 14], Operations: ['79-76=3', '17-3=14'] Exploring Operation: 33*14=462, Resulting Numbers: [462] 462,28 unequal: No Solution Exploring Operation: 33-14=19, Resulting Numbers: [19] 19,28 unequal: No Solution Exploring Operation: 33+14=47, Resulting Numbers: [47] 47,28 unequal: No Solution Moving to Node #0,0,2 Current State: 28:[17, 30], Operations: ['79-76=3', '33-3=30'] Exploring Operation: 17+30=47, Resulting Numbers: [47] 47,28 unequal: No Solution Exploring Operation: 17*30=510, Resulting Numbers: [510] 510,28 unequal: No Solution Exploring Operation: 30-17=13, Resulting Numbers: [13] 13,28 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 2, 22, 88, 4 ]
75
[ "22+4=26", "26/2=13", "88-13=75" ]
Current State: 75:[2, 22, 88, 4], Operations: [] Exploring Operation: 22+4=26, Resulting Numbers: [2, 88, 26] Generated Node #2: [2, 88, 26] from Operation: 22+4=26 Current State: 75:[2, 88, 26], Operations: ['22+4=26'] Exploring Operation: 26/2=13, Resulting Numbers: [88, 13] Generated Node #3: [88, 13] from Operation: 26/2=13 Current State: 75:[88, 13], Operations: ['22+4=26', '26/2=13'] Exploring Operation: 88-13=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[2, 22, 88, 4], Operations: [] Exploring Operation: 88/22=4, Resulting Numbers: [2, 4, 4] Generated Node #0,0: 75:[2, 4, 4] Operation: 88/22=4 Moving to Node #0,0 Current State: 75:[2, 4, 4], Operations: ['88/22=4'] Exploring Operation: 2+4=6, Resulting Numbers: [4, 6] Generated Node #0,0,0: 75:[4, 6] Operation: 2+4=6 Moving to Node #0,0,0 Current State: 75:[4, 6], Operations: ['88/22=4', '2+4=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,75 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 95, 21, 20, 50 ]
45
[ "95-50=45", "21-20=1", "45*1=45" ]
Current State: 45:[95, 21, 20, 50], Operations: [] Exploring Operation: 95-50=45, Resulting Numbers: [21, 20, 45] Generated Node #2: [21, 20, 45] from Operation: 95-50=45 Current State: 45:[21, 20, 45], Operations: ['95-50=45'] Exploring Operation: 21-20=1, Resulting Numbers: [45, 1] Generated Node #3: [45, 1] from Operation: 21-20=1 Current State: 45:[45, 1], Operations: ['95-50=45', '21-20=1'] Exploring Operation: 45*1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[95, 21, 20, 50], Operations: [] Exploring Operation: 95-21=74, Resulting Numbers: [20, 50, 74] Generated Node #0,0: 45:[20, 50, 74] Operation: 95-21=74 Exploring Operation: 95-50=45, Resulting Numbers: [21, 20, 45] Generated Node #0,1: 45:[21, 20, 45] Operation: 95-50=45 Exploring Operation: 95-20=75, Resulting Numbers: [21, 50, 75] Generated Node #0,2: 45:[21, 50, 75] Operation: 95-20=75 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[21, 20, 45], Operations: ['95-50=45'] Exploring Operation: 21+20=41, Resulting Numbers: [45, 41] Generated Node #0,1,0: 45:[45, 41] Operation: 21+20=41 Exploring Operation: 21-20=1, Resulting Numbers: [45, 1] Generated Node #0,1,1: 45:[45, 1] Operation: 21-20=1 Exploring Operation: 45-21=24, Resulting Numbers: [20, 24] Generated Node #0,1,2: 45:[20, 24] Operation: 45-21=24 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 45:[45, 1], Operations: ['95-50=45', '21-20=1'] Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[95, 21, 20, 50], Operations: [] Exploring Operation: 95-50=45, Resulting Numbers: [21, 20, 45] Generated Node #0,1: 45:[21, 20, 45] Operation: 95-50=45 Moving to Node #0,1 Current State: 45:[21, 20, 45], Operations: ['95-50=45'] Exploring Operation: 21-20=1, Resulting Numbers: [45, 1] Generated Node #0,1,1: 45:[45, 1] Operation: 21-20=1 Moving to Node #0,1,1 Current State: 45:[45, 1], Operations: ['95-50=45', '21-20=1'] Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 17, 14, 32, 2 ]
34
[ "17*32=544", "14+2=16", "544/16=34" ]
Current State: 34:[17, 14, 32, 2], Operations: [] Exploring Operation: 17*32=544, Resulting Numbers: [14, 2, 544] Generated Node #2: [14, 2, 544] from Operation: 17*32=544 Current State: 34:[14, 2, 544], Operations: ['17*32=544'] Exploring Operation: 14+2=16, Resulting Numbers: [544, 16] Generated Node #3: [544, 16] from Operation: 14+2=16 Current State: 34:[544, 16], Operations: ['17*32=544', '14+2=16'] Exploring Operation: 544/16=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[17, 14, 32, 2], Operations: [] Exploring Operation: 17-14=3, Resulting Numbers: [32, 2, 3] Generated Node #0,0: 34:[32, 2, 3] Operation: 17-14=3 Exploring Operation: 14+2=16, Resulting Numbers: [17, 32, 16] Generated Node #0,1: 34:[17, 32, 16] Operation: 14+2=16 Exploring Operation: 32-14=18, Resulting Numbers: [17, 2, 18] Generated Node #0,2: 34:[17, 2, 18] Operation: 32-14=18 Exploring Operation: 32+2=34, Resulting Numbers: [17, 14, 34] Generated Node #0,3: 34:[17, 14, 34] Operation: 32+2=34 Exploring Operation: 32/2=16, Resulting Numbers: [17, 14, 16] Generated Node #0,4: 34:[17, 14, 16] Operation: 32/2=16 Moving to Node #0,2 Current State: 34:[17, 2, 18], Operations: ['32-14=18'] Exploring Operation: 17*2=34, Resulting Numbers: [18, 34] Generated Node #0,2,0: 34:[18, 34] Operation: 17*2=34 Exploring Operation: 17+18=35, Resulting Numbers: [2, 35] Generated Node #0,2,1: 34:[2, 35] Operation: 17+18=35 Exploring Operation: 18-17=1, Resulting Numbers: [2, 1] Generated Node #0,2,2: 34:[2, 1] Operation: 18-17=1 Exploring Operation: 18-2=16, Resulting Numbers: [17, 16] Generated Node #0,2,3: 34:[17, 16] Operation: 18-2=16 Exploring Operation: 2*18=36, Resulting Numbers: [17, 36] Generated Node #0,2,4: 34:[17, 36] Operation: 2*18=36 Moving to Node #0,1 Current State: 34:[17, 32, 16], Operations: ['14+2=16'] Exploring Operation: 32/16=2, Resulting Numbers: [17, 2] Generated Node #0,1,0: 34:[17, 2] Operation: 32/16=2 Exploring Operation: 17-16=1, Resulting Numbers: [32, 1] Generated Node #0,1,1: 34:[32, 1] Operation: 17-16=1 Exploring Operation: 32-17=15, Resulting Numbers: [16, 15] Generated Node #0,1,2: 34:[16, 15] Operation: 32-17=15 Exploring Operation: 17+16=33, Resulting Numbers: [32, 33] Generated Node #0,1,3: 34:[32, 33] Operation: 17+16=33 Exploring Operation: 32-16=16, Resulting Numbers: [17, 16] Generated Node #0,1,4: 34:[17, 16] Operation: 32-16=16 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[17, 2], Operations: ['14+2=16', '32/16=2'] Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[17, 14, 32, 2], Operations: [] Exploring Operation: 14+2=16, Resulting Numbers: [17, 32, 16] Generated Node #0,1: 34:[17, 32, 16] Operation: 14+2=16 Moving to Node #0,1 Current State: 34:[17, 32, 16], Operations: ['14+2=16'] Exploring Operation: 32/16=2, Resulting Numbers: [17, 2] Generated Node #0,1,0: 34:[17, 2] Operation: 32/16=2 Moving to Node #0,1,0 Current State: 34:[17, 2], Operations: ['14+2=16', '32/16=2'] Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 38, 31, 53, 84 ]
39
[ "31+53=84", "84/84=1", "38+1=39" ]
Current State: 39:[38, 31, 53, 84], Operations: [] Exploring Operation: 31+53=84, Resulting Numbers: [38, 84, 84] Generated Node #2: [38, 84, 84] from Operation: 31+53=84 Current State: 39:[38, 84, 84], Operations: ['31+53=84'] Exploring Operation: 84/84=1, Resulting Numbers: [38, 1] Generated Node #3: [38, 1] from Operation: 84/84=1 Current State: 39:[38, 1], Operations: ['31+53=84', '84/84=1'] Exploring Operation: 38+1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[38, 31, 53, 84], Operations: [] Exploring Operation: 84-38=46, Resulting Numbers: [31, 53, 46] Generated Node #0,0: 39:[31, 53, 46] Operation: 84-38=46 Exploring Operation: 84-31=53, Resulting Numbers: [38, 53, 53] Generated Node #0,1: 39:[38, 53, 53] Operation: 84-31=53 Exploring Operation: 84-53=31, Resulting Numbers: [38, 31, 31] Generated Node #0,2: 39:[38, 31, 31] Operation: 84-53=31 Moving to Node #0,2 Current State: 39:[38, 31, 31], Operations: ['84-53=31'] Exploring Operation: 31-31=0, Resulting Numbers: [38, 0] Generated Node #0,2,0: 39:[38, 0] Operation: 31-31=0 Exploring Operation: 38-31=7, Resulting Numbers: [31, 7] Generated Node #0,2,1: 39:[31, 7] Operation: 38-31=7 Exploring Operation: 31/31=1, Resulting Numbers: [38, 1] Generated Node #0,2,2: 39:[38, 1] Operation: 31/31=1 Moving to Node #0,0 Current State: 39:[31, 53, 46], Operations: ['84-38=46'] Exploring Operation: 53-31=22, Resulting Numbers: [46, 22] Generated Node #0,0,0: 39:[46, 22] Operation: 53-31=22 Exploring Operation: 53-46=7, Resulting Numbers: [31, 7] Generated Node #0,0,1: 39:[31, 7] Operation: 53-46=7 Exploring Operation: 46-31=15, Resulting Numbers: [53, 15] Generated Node #0,0,2: 39:[53, 15] Operation: 46-31=15 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 39:[31, 7], Operations: ['84-38=46', '53-46=7'] Exploring Operation: 31*7=217, Resulting Numbers: [217] 217,39 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,39 unequal: No Solution Exploring Operation: 31+7=38, Resulting Numbers: [38] 38,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[46, 22], Operations: ['84-38=46', '53-31=22'] Exploring Operation: 46-22=24, Resulting Numbers: [24] 24,39 unequal: No Solution Exploring Operation: 46*22=1012, Resulting Numbers: [1012] 1012,39 unequal: No Solution Exploring Operation: 46+22=68, Resulting Numbers: [68] 68,39 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:[53, 15], Operations: ['84-38=46', '46-31=15'] Exploring Operation: 53+15=68, Resulting Numbers: [68] 68,39 unequal: No Solution Exploring Operation: 53*15=795, Resulting Numbers: [795] 795,39 unequal: No Solution Exploring Operation: 53-15=38, Resulting Numbers: [38] 38,39 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: 39:[38, 53, 53], Operations: ['84-31=53'] Exploring Operation: 53/53=1, Resulting Numbers: [38, 1] Generated Node #0,1,0: 39:[38, 1] Operation: 53/53=1 Exploring Operation: 53-38=15, Resulting Numbers: [53, 15] Generated Node #0,1,1: 39:[53, 15] Operation: 53-38=15 Exploring Operation: 53-53=0, Resulting Numbers: [38, 0] Generated Node #0,1,2: 39:[38, 0] Operation: 53-53=0 Moving to Node #0,2,2 Current State: 39:[38, 1], Operations: ['84-53=31', '31/31=1'] Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 38+1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[38, 31, 53, 84], Operations: [] Exploring Operation: 84-53=31, Resulting Numbers: [38, 31, 31] Generated Node #0,2: 39:[38, 31, 31] Operation: 84-53=31 Moving to Node #0,2 Current State: 39:[38, 31, 31], Operations: ['84-53=31'] Exploring Operation: 31/31=1, Resulting Numbers: [38, 1] Generated Node #0,2,2: 39:[38, 1] Operation: 31/31=1 Moving to Node #0,2,2 Current State: 39:[38, 1], Operations: ['84-53=31', '31/31=1'] Exploring Operation: 38+1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.975694
hs_3
mult_heuristic
[ 83, 56, 38, 30 ]
67
[ "83*30=2490", "56+2490=2546", "2546/38=67" ]
Current State: 67:[83, 56, 38, 30], Operations: [] Exploring Operation: 83*30=2490, Resulting Numbers: [56, 38, 2490] Generated Node #2: [56, 38, 2490] from Operation: 83*30=2490 Current State: 67:[56, 38, 2490], Operations: ['83*30=2490'] Exploring Operation: 56+2490=2546, Resulting Numbers: [38, 2546] Generated Node #3: [38, 2546] from Operation: 56+2490=2546 Current State: 67:[38, 2546], Operations: ['83*30=2490', '56+2490=2546'] Exploring Operation: 2546/38=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[83, 56, 38, 30], Operations: [] Exploring Operation: 83-38=45, Resulting Numbers: [56, 30, 45] Generated Node #0,0: 67:[56, 30, 45] Operation: 83-38=45 Exploring Operation: 38+30=68, Resulting Numbers: [83, 56, 68] Generated Node #0,1: 67:[83, 56, 68] Operation: 38+30=68 Exploring Operation: 83-30=53, Resulting Numbers: [56, 38, 53] Generated Node #0,2: 67:[56, 38, 53] Operation: 83-30=53 Exploring Operation: 56+30=86, Resulting Numbers: [83, 38, 86] Generated Node #0,3: 67:[83, 38, 86] Operation: 56+30=86 Moving to Node #0,1 Current State: 67:[83, 56, 68], Operations: ['38+30=68'] Exploring Operation: 83-68=15, Resulting Numbers: [56, 15] Generated Node #0,1,0: 67:[56, 15] Operation: 83-68=15 Exploring Operation: 83+56=139, Resulting Numbers: [68, 139] Generated Node #0,1,1: 67:[68, 139] Operation: 83+56=139 Exploring Operation: 68-56=12, Resulting Numbers: [83, 12] Generated Node #0,1,2: 67:[83, 12] Operation: 68-56=12 Exploring Operation: 83-56=27, Resulting Numbers: [68, 27] Generated Node #0,1,3: 67:[68, 27] Operation: 83-56=27 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 67:[68, 27], Operations: ['38+30=68', '83-56=27'] Exploring Operation: 68*27=1836, Resulting Numbers: [1836] 1836,67 unequal: No Solution Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,67 unequal: No Solution Exploring Operation: 68+27=95, Resulting Numbers: [95] 95,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 67:[56, 15], Operations: ['38+30=68', '83-68=15'] Exploring Operation: 56*15=840, Resulting Numbers: [840] 840,67 unequal: No Solution Exploring Operation: 56+15=71, Resulting Numbers: [71] 71,67 unequal: No Solution Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 67:[83, 12], Operations: ['38+30=68', '68-56=12'] Exploring Operation: 83+12=95, Resulting Numbers: [95] 95,67 unequal: No Solution Exploring Operation: 83*12=996, Resulting Numbers: [996] 996,67 unequal: No Solution Exploring Operation: 83-12=71, Resulting Numbers: [71] 71,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 67:[68, 139], Operations: ['38+30=68', '83+56=139'] Exploring Operation: 68+139=207, Resulting Numbers: [207] 207,67 unequal: No Solution Exploring Operation: 139-68=71, Resulting Numbers: [71] 71,67 unequal: No Solution Exploring Operation: 68*139=9452, Resulting Numbers: [9452] 9452,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 67:[56, 38, 53], Operations: ['83-30=53'] Exploring Operation: 56-38=18, Resulting Numbers: [53, 18] Generated Node #0,2,0: 67:[53, 18] Operation: 56-38=18 Exploring Operation: 56+38=94, Resulting Numbers: [53, 94] Generated Node #0,2,1: 67:[53, 94] Operation: 56+38=94 Exploring Operation: 38+53=91, Resulting Numbers: [56, 91] Generated Node #0,2,2: 67:[56, 91] Operation: 38+53=91 Exploring Operation: 53-38=15, Resulting Numbers: [56, 15] Generated Node #0,2,3: 67:[56, 15] Operation: 53-38=15 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 67:[56, 91], Operations: ['83-30=53', '38+53=91'] Exploring Operation: 91-56=35, Resulting Numbers: [35] 35,67 unequal: No Solution Exploring Operation: 56*91=5096, Resulting Numbers: [5096] 5096,67 unequal: No Solution Exploring Operation: 56+91=147, Resulting Numbers: [147] 147,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 67:[53, 94], Operations: ['83-30=53', '56+38=94'] Exploring Operation: 53*94=4982, Resulting Numbers: [4982] 4982,67 unequal: No Solution Exploring Operation: 53+94=147, Resulting Numbers: [147] 147,67 unequal: No Solution Exploring Operation: 94-53=41, Resulting Numbers: [41] 41,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[53, 18], Operations: ['83-30=53', '56-38=18'] Exploring Operation: 53*18=954, Resulting Numbers: [954] 954,67 unequal: No Solution Exploring Operation: 53-18=35, Resulting Numbers: [35] 35,67 unequal: No Solution Exploring Operation: 53+18=71, Resulting Numbers: [71] 71,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 67:[56, 15], Operations: ['83-30=53', '53-38=15'] Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,67 unequal: No Solution Exploring Operation: 56+15=71, Resulting Numbers: [71] 71,67 unequal: No Solution Exploring Operation: 56*15=840, Resulting Numbers: [840] 840,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 67:[83, 38, 86], Operations: ['56+30=86'] Exploring Operation: 86-38=48, Resulting Numbers: [83, 48] Generated Node #0,3,0: 67:[83, 48] Operation: 86-38=48 Exploring Operation: 38+86=124, Resulting Numbers: [83, 124] Generated Node #0,3,1: 67:[83, 124] Operation: 38+86=124 Exploring Operation: 83+38=121, Resulting Numbers: [86, 121] Generated Node #0,3,2: 67:[86, 121] Operation: 83+38=121 Exploring Operation: 83-38=45, Resulting Numbers: [86, 45] Generated Node #0,3,3: 67:[86, 45] Operation: 83-38=45 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 67:[83, 48], Operations: ['56+30=86', '86-38=48'] Exploring Operation: 83-48=35, Resulting Numbers: [35] 35,67 unequal: No Solution Exploring Operation: 83+48=131, Resulting Numbers: [131] 131,67 unequal: No Solution Exploring Operation: 83*48=3984, Resulting Numbers: [3984] 3984,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 67:[86, 45], Operations: ['56+30=86', '83-38=45'] Exploring Operation: 86-45=41, Resulting Numbers: [41] 41,67 unequal: No Solution Exploring Operation: 86*45=3870, Resulting Numbers: [3870] 3870,67 unequal: No Solution Exploring Operation: 86+45=131, Resulting Numbers: [131] 131,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 67:[83, 124], Operations: ['56+30=86', '38+86=124'] Exploring Operation: 83+124=207, Resulting Numbers: [207] 207,67 unequal: No Solution Exploring Operation: 124-83=41, Resulting Numbers: [41] 41,67 unequal: No Solution Exploring Operation: 83*124=10292, Resulting Numbers: [10292] 10292,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 67:[86, 121], Operations: ['56+30=86', '83+38=121'] Exploring Operation: 86+121=207, Resulting Numbers: [207] 207,67 unequal: No Solution Exploring Operation: 121-86=35, Resulting Numbers: [35] 35,67 unequal: No Solution Exploring Operation: 86*121=10406, Resulting Numbers: [10406] 10406,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 67:[56, 30, 45], Operations: ['83-38=45'] Exploring Operation: 56-30=26, Resulting Numbers: [45, 26] Generated Node #0,0,0: 67:[45, 26] Operation: 56-30=26 Exploring Operation: 45-30=15, Resulting Numbers: [56, 15] Generated Node #0,0,1: 67:[56, 15] Operation: 45-30=15 Exploring Operation: 56+30=86, Resulting Numbers: [45, 86] Generated Node #0,0,2: 67:[45, 86] Operation: 56+30=86 Exploring Operation: 30+45=75, Resulting Numbers: [56, 75] Generated Node #0,0,3: 67:[56, 75] Operation: 30+45=75 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 67:[56, 75], Operations: ['83-38=45', '30+45=75'] Exploring Operation: 56+75=131, Resulting Numbers: [131] 131,67 unequal: No Solution Exploring Operation: 75-56=19, Resulting Numbers: [19] 19,67 unequal: No Solution Exploring Operation: 56*75=4200, Resulting Numbers: [4200] 4200,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 67:[45, 86], Operations: ['83-38=45', '56+30=86'] Exploring Operation: 45*86=3870, Resulting Numbers: [3870] 3870,67 unequal: No Solution Exploring Operation: 45+86=131, Resulting Numbers: [131] 131,67 unequal: No Solution Exploring Operation: 86-45=41, Resulting Numbers: [41] 41,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[45, 26], Operations: ['83-38=45', '56-30=26'] Exploring Operation: 45-26=19, Resulting Numbers: [19] 19,67 unequal: No Solution Exploring Operation: 45+26=71, Resulting Numbers: [71] 71,67 unequal: No Solution Exploring Operation: 45*26=1170, Resulting Numbers: [1170] 1170,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 67:[56, 15], Operations: ['83-38=45', '45-30=15'] Exploring Operation: 56*15=840, Resulting Numbers: [840] 840,67 unequal: No Solution Exploring Operation: 56+15=71, Resulting Numbers: [71] 71,67 unequal: No Solution Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,67 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
[ 70, 41, 70, 15 ]
84
[ "70-41=29", "70-15=55", "29+55=84" ]
Current State: 84:[70, 41, 70, 15], Operations: [] Exploring Operation: 70-41=29, Resulting Numbers: [15, 29] Generated Node #2: [15, 29] from Operation: 70-41=29 Current State: 84:[15, 29], Operations: ['70-41=29'] Exploring Operation: 70-15=55, Resulting Numbers: [29, 55] Generated Node #3: [29, 55] from Operation: 70-15=55 Current State: 84:[29, 55], Operations: ['70-41=29', '70-15=55'] Exploring Operation: 29+55=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[70, 41, 70, 15], Operations: [] Exploring Operation: 70-70=0, Resulting Numbers: [41, 15, 0] Generated Node #0,0: 84:[41, 15, 0] Operation: 70-70=0 Exploring Operation: 70/70=1, Resulting Numbers: [41, 15, 1] Generated Node #0,1: 84:[41, 15, 1] Operation: 70/70=1 Exploring Operation: 70+15=85, Resulting Numbers: [41, 70, 85] Generated Node #0,2: 84:[41, 70, 85] Operation: 70+15=85 Exploring Operation: 70-41=29, Resulting Numbers: [70, 15, 29] Generated Node #0,3: 84:[70, 15, 29] Operation: 70-41=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[41, 15, 1], Operations: ['70/70=1'] Exploring Operation: 41/1=41, Resulting Numbers: [15, 41] Generated Node #0,1,0: 84:[15, 41] Operation: 41/1=41 Exploring Operation: 41*1=41, Resulting Numbers: [15, 41] Generated Node #0,1,1: 84:[15, 41] Operation: 41*1=41 Exploring Operation: 41+1=42, Resulting Numbers: [15, 42] Generated Node #0,1,2: 84:[15, 42] Operation: 41+1=42 Exploring Operation: 15-1=14, Resulting Numbers: [41, 14] Generated Node #0,1,3: 84:[41, 14] Operation: 15-1=14 Moving to Node #0,1,2 Current State: 84:[15, 42], Operations: ['70/70=1', '41+1=42'] Exploring Operation: 15+42=57, Resulting Numbers: [57] 57,84 unequal: No Solution Exploring Operation: 42-15=27, Resulting Numbers: [27] 27,84 unequal: No Solution Exploring Operation: 15*42=630, Resulting Numbers: [630] 630,84 unequal: No Solution Moving to Node #0,1,3 Current State: 84:[41, 14], Operations: ['70/70=1', '15-1=14'] Exploring Operation: 41-14=27, Resulting Numbers: [27] 27,84 unequal: No Solution Exploring Operation: 41*14=574, Resulting Numbers: [574] 574,84 unequal: No Solution Exploring Operation: 41+14=55, Resulting Numbers: [55] 55,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[15, 41], Operations: ['70/70=1', '41*1=41'] Exploring Operation: 15+41=56, Resulting Numbers: [56] 56,84 unequal: No Solution Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,84 unequal: No Solution Exploring Operation: 15*41=615, Resulting Numbers: [615] 615,84 unequal: No Solution Moving to Node #0,1,0 Current State: 84:[15, 41], Operations: ['70/70=1', '41/1=41'] Exploring Operation: 15+41=56, Resulting Numbers: [56] 56,84 unequal: No Solution Exploring Operation: 15*41=615, Resulting Numbers: [615] 615,84 unequal: No Solution Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,84 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 Current State: 84:[41, 15, 0], Operations: ['70-70=0'] Exploring Operation: 15-0=15, Resulting Numbers: [41, 15] Generated Node #0,0,0: 84:[41, 15] Operation: 15-0=15 Exploring Operation: 41+0=41, Resulting Numbers: [15, 41] Generated Node #0,0,1: 84:[15, 41] Operation: 41+0=41 Exploring Operation: 41-0=41, Resulting Numbers: [15, 41] Generated Node #0,0,2: 84:[15, 41] Operation: 41-0=41 Exploring Operation: 15+0=15, Resulting Numbers: [41, 15] Generated Node #0,0,3: 84:[41, 15] Operation: 15+0=15 Moving to Node #0,0,0 Current State: 84:[41, 15], Operations: ['70-70=0', '15-0=15'] Exploring Operation: 41*15=615, Resulting Numbers: [615] 615,84 unequal: No Solution Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,84 unequal: No Solution Exploring Operation: 41+15=56, Resulting Numbers: [56] 56,84 unequal: No Solution Moving to Node #0,0,2 Current State: 84:[15, 41], Operations: ['70-70=0', '41-0=41'] Exploring Operation: 15+41=56, Resulting Numbers: [56] 56,84 unequal: No Solution Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,84 unequal: No Solution Exploring Operation: 15*41=615, Resulting Numbers: [615] 615,84 unequal: No Solution Moving to Node #0,0,1 Current State: 84:[15, 41], Operations: ['70-70=0', '41+0=41'] Exploring Operation: 15*41=615, Resulting Numbers: [615] 615,84 unequal: No Solution Exploring Operation: 15+41=56, Resulting Numbers: [56] 56,84 unequal: No Solution Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,84 unequal: No Solution Moving to Node #0,0,3 Current State: 84:[41, 15], Operations: ['70-70=0', '15+0=15'] Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,84 unequal: No Solution Exploring Operation: 41*15=615, Resulting Numbers: [615] 615,84 unequal: No Solution Exploring Operation: 41+15=56, Resulting Numbers: [56] 56,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[41, 70, 85], Operations: ['70+15=85'] Exploring Operation: 70-41=29, Resulting Numbers: [85, 29] Generated Node #0,2,0: 84:[85, 29] Operation: 70-41=29 Exploring Operation: 41+70=111, Resulting Numbers: [85, 111] Generated Node #0,2,1: 84:[85, 111] Operation: 41+70=111 Exploring Operation: 85-41=44, Resulting Numbers: [70, 44] Generated Node #0,2,2: 84:[70, 44] Operation: 85-41=44 Exploring Operation: 85-70=15, Resulting Numbers: [41, 15] Generated Node #0,2,3: 84:[41, 15] Operation: 85-70=15 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 84:[85, 29], Operations: ['70+15=85', '70-41=29'] Exploring Operation: 85*29=2465, Resulting Numbers: [2465] 2465,84 unequal: No Solution Exploring Operation: 85-29=56, Resulting Numbers: [56] 56,84 unequal: No Solution Exploring Operation: 85+29=114, Resulting Numbers: [114] 114,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 84:[41, 15], Operations: ['70+15=85', '85-70=15'] Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,84 unequal: No Solution Exploring Operation: 41*15=615, Resulting Numbers: [615] 615,84 unequal: No Solution Exploring Operation: 41+15=56, Resulting Numbers: [56] 56,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 84:[70, 44], Operations: ['70+15=85', '85-41=44'] Exploring Operation: 70+44=114, Resulting Numbers: [114] 114,84 unequal: No Solution Exploring Operation: 70*44=3080, Resulting Numbers: [3080] 3080,84 unequal: No Solution Exploring Operation: 70-44=26, Resulting Numbers: [26] 26,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 84:[85, 111], Operations: ['70+15=85', '41+70=111'] Exploring Operation: 85*111=9435, Resulting Numbers: [9435] 9435,84 unequal: No Solution Exploring Operation: 111-85=26, Resulting Numbers: [26] 26,84 unequal: No Solution Exploring Operation: 85+111=196, Resulting Numbers: [196] 196,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 84:[70, 15, 29], Operations: ['70-41=29'] Exploring Operation: 70-29=41, Resulting Numbers: [15, 41] Generated Node #0,3,0: 84:[15, 41] Operation: 70-29=41 Exploring Operation: 29-15=14, Resulting Numbers: [70, 14] Generated Node #0,3,1: 84:[70, 14] Operation: 29-15=14 Exploring Operation: 70+15=85, Resulting Numbers: [29, 85] Generated Node #0,3,2: 84:[29, 85] Operation: 70+15=85 Exploring Operation: 70-15=55, Resulting Numbers: [29, 55] Generated Node #0,3,3: 84:[29, 55] Operation: 70-15=55 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 84:[15, 41], Operations: ['70-41=29', '70-29=41'] Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,84 unequal: No Solution Exploring Operation: 15+41=56, Resulting Numbers: [56] 56,84 unequal: No Solution Exploring Operation: 15*41=615, Resulting Numbers: [615] 615,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 84:[29, 85], Operations: ['70-41=29', '70+15=85'] Exploring Operation: 85-29=56, Resulting Numbers: [56] 56,84 unequal: No Solution Exploring Operation: 29+85=114, Resulting Numbers: [114] 114,84 unequal: No Solution Exploring Operation: 29*85=2465, Resulting Numbers: [2465] 2465,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 84:[70, 14], Operations: ['70-41=29', '29-15=14'] Exploring Operation: 70*14=980, Resulting Numbers: [980] 980,84 unequal: No Solution Exploring Operation: 70-14=56, Resulting Numbers: [56] 56,84 unequal: No Solution Exploring Operation: 70/14=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 70+14=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[70, 41, 70, 15], Operations: [] Exploring Operation: 70-41=29, Resulting Numbers: [70, 15, 29] Generated Node #0,3: 84:[70, 15, 29] Operation: 70-41=29 Moving to Node #0,3 Current State: 84:[70, 15, 29], Operations: ['70-41=29'] Exploring Operation: 29-15=14, Resulting Numbers: [70, 14] Generated Node #0,3,1: 84:[70, 14] Operation: 29-15=14 Moving to Node #0,3,1 Current State: 84:[70, 14], Operations: ['70-41=29', '29-15=14'] Exploring Operation: 70+14=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.939236
hs_4
mult_heuristic
[ 61, 78, 92, 46 ]
22
[ "78*46=3588", "3588/92=39", "61-39=22" ]
Current State: 22:[61, 78, 92, 46], Operations: [] Exploring Operation: 78*46=3588, Resulting Numbers: [61, 92, 3588] Generated Node #2: [61, 92, 3588] from Operation: 78*46=3588 Current State: 22:[61, 92, 3588], Operations: ['78*46=3588'] Exploring Operation: 3588/92=39, Resulting Numbers: [61, 39] Generated Node #3: [61, 39] from Operation: 3588/92=39 Current State: 22:[61, 39], Operations: ['78*46=3588', '3588/92=39'] Exploring Operation: 61-39=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[61, 78, 92, 46], Operations: [] Exploring Operation: 78-46=32, Resulting Numbers: [61, 92, 32] Generated Node #0,0: 22:[61, 92, 32] Operation: 78-46=32 Exploring Operation: 92/46=2, Resulting Numbers: [61, 78, 2] Generated Node #0,1: 22:[61, 78, 2] Operation: 92/46=2 Exploring Operation: 92-78=14, Resulting Numbers: [61, 46, 14] Generated Node #0,2: 22:[61, 46, 14] Operation: 92-78=14 Exploring Operation: 78-61=17, Resulting Numbers: [92, 46, 17] Generated Node #0,3: 22:[92, 46, 17] Operation: 78-61=17 Exploring Operation: 92-61=31, Resulting Numbers: [78, 46, 31] Generated Node #0,4: 22:[78, 46, 31] Operation: 92-61=31 Start Sub Search at level 1: Moving to Node #0,2 Current State: 22:[61, 46, 14], Operations: ['92-78=14'] Exploring Operation: 46+14=60, Resulting Numbers: [61, 60] Generated Node #0,2,0: 22:[61, 60] Operation: 46+14=60 Exploring Operation: 61+14=75, Resulting Numbers: [46, 75] Generated Node #0,2,1: 22:[46, 75] Operation: 61+14=75 Exploring Operation: 46-14=32, Resulting Numbers: [61, 32] Generated Node #0,2,2: 22:[61, 32] Operation: 46-14=32 Exploring Operation: 61-14=47, Resulting Numbers: [46, 47] Generated Node #0,2,3: 22:[46, 47] Operation: 61-14=47 Exploring Operation: 61-46=15, Resulting Numbers: [14, 15] Generated Node #0,2,4: 22:[14, 15] Operation: 61-46=15 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 22:[14, 15], Operations: ['92-78=14', '61-46=15'] Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,22 unequal: No Solution Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,22 unequal: No Solution Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 22:[61, 32], Operations: ['92-78=14', '46-14=32'] Exploring Operation: 61*32=1952, Resulting Numbers: [1952] 1952,22 unequal: No Solution Exploring Operation: 61-32=29, Resulting Numbers: [29] 29,22 unequal: No Solution Exploring Operation: 61+32=93, Resulting Numbers: [93] 93,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 22:[46, 47], Operations: ['92-78=14', '61-14=47'] Exploring Operation: 47-46=1, Resulting Numbers: [1] 1,22 unequal: No Solution Exploring Operation: 46*47=2162, Resulting Numbers: [2162] 2162,22 unequal: No Solution Exploring Operation: 46+47=93, Resulting Numbers: [93] 93,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 22:[61, 60], Operations: ['92-78=14', '46+14=60'] Exploring Operation: 61*60=3660, Resulting Numbers: [3660] 3660,22 unequal: No Solution Exploring Operation: 61-60=1, Resulting Numbers: [1] 1,22 unequal: No Solution Exploring Operation: 61+60=121, Resulting Numbers: [121] 121,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 22:[46, 75], Operations: ['92-78=14', '61+14=75'] Exploring Operation: 46*75=3450, Resulting Numbers: [3450] 3450,22 unequal: No Solution Exploring Operation: 46+75=121, Resulting Numbers: [121] 121,22 unequal: No Solution Exploring Operation: 75-46=29, Resulting Numbers: [29] 29,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 22:[78, 46, 31], Operations: ['92-61=31'] Exploring Operation: 78+46=124, Resulting Numbers: [31, 124] Generated Node #0,4,0: 22:[31, 124] Operation: 78+46=124 Exploring Operation: 78-31=47, Resulting Numbers: [46, 47] Generated Node #0,4,1: 22:[46, 47] Operation: 78-31=47 Exploring Operation: 78+31=109, Resulting Numbers: [46, 109] Generated Node #0,4,2: 22:[46, 109] Operation: 78+31=109 Exploring Operation: 78-46=32, Resulting Numbers: [31, 32] Generated Node #0,4,3: 22:[31, 32] Operation: 78-46=32 Exploring Operation: 46-31=15, Resulting Numbers: [78, 15] Generated Node #0,4,4: 22:[78, 15] Operation: 46-31=15 Moving to Node #0,4,3 Current State: 22:[31, 32], Operations: ['92-61=31', '78-46=32'] Exploring Operation: 31*32=992, Resulting Numbers: [992] 992,22 unequal: No Solution Exploring Operation: 31+32=63, Resulting Numbers: [63] 63,22 unequal: No Solution Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,22 unequal: No Solution Moving to Node #0,4,1 Current State: 22:[46, 47], Operations: ['92-61=31', '78-31=47'] Exploring Operation: 46*47=2162, Resulting Numbers: [2162] 2162,22 unequal: No Solution Exploring Operation: 47-46=1, Resulting Numbers: [1] 1,22 unequal: No Solution Exploring Operation: 46+47=93, Resulting Numbers: [93] 93,22 unequal: No Solution Moving to Node #0,4,4 Current State: 22:[78, 15], Operations: ['92-61=31', '46-31=15'] Exploring Operation: 78+15=93, Resulting Numbers: [93] 93,22 unequal: No Solution Exploring Operation: 78-15=63, Resulting Numbers: [63] 63,22 unequal: No Solution Exploring Operation: 78*15=1170, Resulting Numbers: [1170] 1170,22 unequal: No Solution Moving to Node #0,4,0 Current State: 22:[31, 124], Operations: ['92-61=31', '78+46=124'] Exploring Operation: 124/31=4, Resulting Numbers: [4] 4,22 unequal: No Solution Exploring Operation: 124-31=93, Resulting Numbers: [93] 93,22 unequal: No Solution Exploring Operation: 31*124=3844, Resulting Numbers: [3844] 3844,22 unequal: No Solution Exploring Operation: 31+124=155, Resulting Numbers: [155] 155,22 unequal: No Solution Moving to Node #0,4,2 Current State: 22:[46, 109], Operations: ['92-61=31', '78+31=109'] Exploring Operation: 46*109=5014, Resulting Numbers: [5014] 5014,22 unequal: No Solution Exploring Operation: 46+109=155, Resulting Numbers: [155] 155,22 unequal: No Solution Exploring Operation: 109-46=63, Resulting Numbers: [63] 63,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[61, 78, 2], Operations: ['92/46=2'] Exploring Operation: 78-2=76, Resulting Numbers: [61, 76] Generated Node #0,1,0: 22:[61, 76] Operation: 78-2=76 Exploring Operation: 61+2=63, Resulting Numbers: [78, 63] Generated Node #0,1,1: 22:[78, 63] Operation: 61+2=63 Exploring Operation: 78-61=17, Resulting Numbers: [2, 17] Generated Node #0,1,2: 22:[2, 17] Operation: 78-61=17 Exploring Operation: 61-2=59, Resulting Numbers: [78, 59] Generated Node #0,1,3: 22:[78, 59] Operation: 61-2=59 Exploring Operation: 78/2=39, Resulting Numbers: [61, 39] Generated Node #0,1,4: 22:[61, 39] Operation: 78/2=39 Moving to Node #0,1,2 Current State: 22:[2, 17], Operations: ['92/46=2', '78-61=17'] Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,22 unequal: No Solution Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,22 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,22 unequal: No Solution Moving to Node #0,1,4 Current State: 22:[61, 39], Operations: ['92/46=2', '78/2=39'] Exploring Operation: 61*39=2379, Resulting Numbers: [2379] 2379,22 unequal: No Solution Exploring Operation: 61+39=100, Resulting Numbers: [100] 100,22 unequal: No Solution Exploring Operation: 61-39=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[61, 78, 92, 46], Operations: [] Exploring Operation: 92/46=2, Resulting Numbers: [61, 78, 2] Generated Node #0,1: 22:[61, 78, 2] Operation: 92/46=2 Moving to Node #0,1 Current State: 22:[61, 78, 2], Operations: ['92/46=2'] Exploring Operation: 78/2=39, Resulting Numbers: [61, 39] Generated Node #0,1,4: 22:[61, 39] Operation: 78/2=39 Moving to Node #0,1,4 Current State: 22:[61, 39], Operations: ['92/46=2', '78/2=39'] Exploring Operation: 61-39=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.947049
hs_5
mult_heuristic
[ 11, 6, 65, 14 ]
23
[ "65-11=54", "54/6=9", "14+9=23" ]
Current State: 23:[11, 6, 65, 14], Operations: [] Exploring Operation: 65-11=54, Resulting Numbers: [6, 14, 54] Generated Node #2: [6, 14, 54] from Operation: 65-11=54 Current State: 23:[6, 14, 54], Operations: ['65-11=54'] Exploring Operation: 54/6=9, Resulting Numbers: [14, 9] Generated Node #3: [14, 9] from Operation: 54/6=9 Current State: 23:[14, 9], Operations: ['65-11=54', '54/6=9'] Exploring Operation: 14+9=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[11, 6, 65, 14], Operations: [] Exploring Operation: 65-6=59, Resulting Numbers: [11, 14, 59] Generated Node #0,0: 23:[11, 14, 59] Operation: 65-6=59 Exploring Operation: 6+14=20, Resulting Numbers: [11, 65, 20] Generated Node #0,1: 23:[11, 65, 20] Operation: 6+14=20 Exploring Operation: 65-11=54, Resulting Numbers: [6, 14, 54] Generated Node #0,2: 23:[6, 14, 54] Operation: 65-11=54 Exploring Operation: 11+6=17, Resulting Numbers: [65, 14, 17] Generated Node #0,3: 23:[65, 14, 17] Operation: 11+6=17 Exploring Operation: 65-14=51, Resulting Numbers: [11, 6, 51] Generated Node #0,4: 23:[11, 6, 51] Operation: 65-14=51 Moving to Node #0,0 Current State: 23:[11, 14, 59], Operations: ['65-6=59'] Exploring Operation: 11+59=70, Resulting Numbers: [14, 70] Generated Node #0,0,0: 23:[14, 70] Operation: 11+59=70 Exploring Operation: 59-11=48, Resulting Numbers: [14, 48] Generated Node #0,0,1: 23:[14, 48] Operation: 59-11=48 Exploring Operation: 59-14=45, Resulting Numbers: [11, 45] Generated Node #0,0,2: 23:[11, 45] Operation: 59-14=45 Exploring Operation: 14-11=3, Resulting Numbers: [59, 3] Generated Node #0,0,3: 23:[59, 3] Operation: 14-11=3 Exploring Operation: 11+14=25, Resulting Numbers: [59, 25] Generated Node #0,0,4: 23:[59, 25] Operation: 11+14=25 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 23:[14, 48], Operations: ['65-6=59', '59-11=48'] Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,23 unequal: No Solution Exploring Operation: 14*48=672, Resulting Numbers: [672] 672,23 unequal: No Solution Exploring Operation: 14+48=62, Resulting Numbers: [62] 62,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 23:[11, 45], Operations: ['65-6=59', '59-14=45'] Exploring Operation: 45-11=34, Resulting Numbers: [34] 34,23 unequal: No Solution Exploring Operation: 11*45=495, Resulting Numbers: [495] 495,23 unequal: No Solution Exploring Operation: 11+45=56, Resulting Numbers: [56] 56,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 23:[59, 25], Operations: ['65-6=59', '11+14=25'] Exploring Operation: 59-25=34, Resulting Numbers: [34] 34,23 unequal: No Solution Exploring Operation: 59*25=1475, Resulting Numbers: [1475] 1475,23 unequal: No Solution Exploring Operation: 59+25=84, Resulting Numbers: [84] 84,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[14, 70], Operations: ['65-6=59', '11+59=70'] Exploring Operation: 70-14=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 70/14=5, Resulting Numbers: [5] 5,23 unequal: No Solution Exploring Operation: 14*70=980, Resulting Numbers: [980] 980,23 unequal: No Solution Exploring Operation: 14+70=84, Resulting Numbers: [84] 84,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 23:[59, 3], Operations: ['65-6=59', '14-11=3'] Exploring Operation: 59*3=177, Resulting Numbers: [177] 177,23 unequal: No Solution Exploring Operation: 59+3=62, Resulting Numbers: [62] 62,23 unequal: No Solution Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,23 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: 23:[6, 14, 54], Operations: ['65-11=54'] Exploring Operation: 54-6=48, Resulting Numbers: [14, 48] Generated Node #0,2,0: 23:[14, 48] Operation: 54-6=48 Exploring Operation: 14-6=8, Resulting Numbers: [54, 8] Generated Node #0,2,1: 23:[54, 8] Operation: 14-6=8 Exploring Operation: 54/6=9, Resulting Numbers: [14, 9] Generated Node #0,2,2: 23:[14, 9] Operation: 54/6=9 Exploring Operation: 54-14=40, Resulting Numbers: [6, 40] Generated Node #0,2,3: 23:[6, 40] Operation: 54-14=40 Exploring Operation: 6+14=20, Resulting Numbers: [54, 20] Generated Node #0,2,4: 23:[54, 20] Operation: 6+14=20 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 23:[14, 9], Operations: ['65-11=54', '54/6=9'] Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,23 unequal: No Solution Exploring Operation: 14*9=126, Resulting Numbers: [126] 126,23 unequal: No Solution Exploring Operation: 14+9=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[11, 6, 65, 14], Operations: [] Exploring Operation: 65-11=54, Resulting Numbers: [6, 14, 54] Generated Node #0,2: 23:[6, 14, 54] Operation: 65-11=54 Moving to Node #0,2 Current State: 23:[6, 14, 54], Operations: ['65-11=54'] Exploring Operation: 54/6=9, Resulting Numbers: [14, 9] Generated Node #0,2,2: 23:[14, 9] Operation: 54/6=9 Moving to Node #0,2,2 Current State: 23:[14, 9], Operations: ['65-11=54', '54/6=9'] Exploring Operation: 14+9=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 40, 91, 86, 73 ]
47
[ "86-73=13", "91/13=7", "40+7=47" ]
Current State: 47:[40, 91, 86, 73], Operations: [] Exploring Operation: 86-73=13, Resulting Numbers: [40, 91, 13] Generated Node #2: [40, 91, 13] from Operation: 86-73=13 Current State: 47:[40, 91, 13], Operations: ['86-73=13'] Exploring Operation: 91/13=7, Resulting Numbers: [40, 7] Generated Node #3: [40, 7] from Operation: 91/13=7 Current State: 47:[40, 7], Operations: ['86-73=13', '91/13=7'] Exploring Operation: 40+7=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[40, 91, 86, 73], Operations: [] Exploring Operation: 91-40=51, Resulting Numbers: [86, 73, 51] Generated Node #0,0: 47:[86, 73, 51] Operation: 91-40=51 Exploring Operation: 86-40=46, Resulting Numbers: [91, 73, 46] Generated Node #0,1: 47:[91, 73, 46] Operation: 86-40=46 Exploring Operation: 91-86=5, Resulting Numbers: [40, 73, 5] Generated Node #0,2: 47:[40, 73, 5] Operation: 91-86=5 Moving to Node #0,0 Current State: 47:[86, 73, 51], Operations: ['91-40=51'] Exploring Operation: 73-51=22, Resulting Numbers: [86, 22] Generated Node #0,0,0: 47:[86, 22] Operation: 73-51=22 Exploring Operation: 86-73=13, Resulting Numbers: [51, 13] Generated Node #0,0,1: 47:[51, 13] Operation: 86-73=13 Exploring Operation: 86-51=35, Resulting Numbers: [73, 35] Generated Node #0,0,2: 47:[73, 35] Operation: 86-51=35 Moving to Node #0,1 Current State: 47:[91, 73, 46], Operations: ['86-40=46'] Exploring Operation: 73-46=27, Resulting Numbers: [91, 27] Generated Node #0,1,0: 47:[91, 27] Operation: 73-46=27 Exploring Operation: 91-46=45, Resulting Numbers: [73, 45] Generated Node #0,1,1: 47:[73, 45] Operation: 91-46=45 Exploring Operation: 91-73=18, Resulting Numbers: [46, 18] Generated Node #0,1,2: 47:[46, 18] Operation: 91-73=18 Moving to Node #0,2 Current State: 47:[40, 73, 5], Operations: ['91-86=5'] Exploring Operation: 40+5=45, Resulting Numbers: [73, 45] Generated Node #0,2,0: 47:[73, 45] Operation: 40+5=45 Exploring Operation: 40-5=35, Resulting Numbers: [73, 35] Generated Node #0,2,1: 47:[73, 35] Operation: 40-5=35 Exploring Operation: 73-5=68, Resulting Numbers: [40, 68] Generated Node #0,2,2: 47:[40, 68] Operation: 73-5=68 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[73, 45], Operations: ['91-86=5', '40+5=45'] Exploring Operation: 73-45=28, Resulting Numbers: [28] 28,47 unequal: No Solution Exploring Operation: 73+45=118, Resulting Numbers: [118] 118,47 unequal: No Solution Exploring Operation: 73*45=3285, Resulting Numbers: [3285] 3285,47 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 #0,2,2 Current State: 47:[40, 68], Operations: ['91-86=5', '73-5=68'] Exploring Operation: 40+68=108, Resulting Numbers: [108] 108,47 unequal: No Solution Exploring Operation: 40*68=2720, Resulting Numbers: [2720] 2720,47 unequal: No Solution Exploring Operation: 68-40=28, Resulting Numbers: [28] 28,47 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 #0,2,1 Current State: 47:[73, 35], Operations: ['91-86=5', '40-5=35'] Exploring Operation: 73*35=2555, Resulting Numbers: [2555] 2555,47 unequal: No Solution Exploring Operation: 73-35=38, Resulting Numbers: [38] 38,47 unequal: No Solution Exploring Operation: 73+35=108, Resulting Numbers: [108] 108,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 47:[73, 45], Operations: ['86-40=46', '91-46=45'] Exploring Operation: 73*45=3285, Resulting Numbers: [3285] 3285,47 unequal: No Solution Exploring Operation: 73-45=28, Resulting Numbers: [28] 28,47 unequal: No Solution Exploring Operation: 73+45=118, Resulting Numbers: [118] 118,47 unequal: No Solution Moving to Node #0,1,2 Current State: 47:[46, 18], Operations: ['86-40=46', '91-73=18'] Exploring Operation: 46+18=64, Resulting Numbers: [64] 64,47 unequal: No Solution Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,47 unequal: No Solution Exploring Operation: 46*18=828, Resulting Numbers: [828] 828,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[51, 13], Operations: ['91-40=51', '86-73=13'] Exploring Operation: 51*13=663, Resulting Numbers: [663] 663,47 unequal: No Solution Exploring Operation: 51+13=64, Resulting Numbers: [64] 64,47 unequal: No Solution Exploring Operation: 51-13=38, Resulting Numbers: [38] 38,47 unequal: No Solution Moving to Node #0,0,2 Current State: 47:[73, 35], Operations: ['91-40=51', '86-51=35'] Exploring Operation: 73+35=108, Resulting Numbers: [108] 108,47 unequal: No Solution Exploring Operation: 73*35=2555, Resulting Numbers: [2555] 2555,47 unequal: No Solution Exploring Operation: 73-35=38, Resulting Numbers: [38] 38,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[91, 27], Operations: ['86-40=46', '73-46=27'] Exploring Operation: 91+27=118, Resulting Numbers: [118] 118,47 unequal: No Solution Exploring Operation: 91*27=2457, Resulting Numbers: [2457] 2457,47 unequal: No Solution Exploring Operation: 91-27=64, Resulting Numbers: [64] 64,47 unequal: No Solution Moving to Node #0,0,0 Current State: 47:[86, 22], Operations: ['91-40=51', '73-51=22'] Exploring Operation: 86*22=1892, Resulting Numbers: [1892] 1892,47 unequal: No Solution Exploring Operation: 86-22=64, Resulting Numbers: [64] 64,47 unequal: No Solution Exploring Operation: 86+22=108, Resulting Numbers: [108] 108,47 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 4, 73, 44, 23 ]
39
[ "44/4=11", "73-23=50", "50-11=39" ]
Current State: 39:[4, 73, 44, 23], Operations: [] Exploring Operation: 44/4=11, Resulting Numbers: [73, 23, 11] Generated Node #2: [73, 23, 11] from Operation: 44/4=11 Current State: 39:[73, 23, 11], Operations: ['44/4=11'] Exploring Operation: 73-23=50, Resulting Numbers: [11, 50] Generated Node #3: [11, 50] from Operation: 73-23=50 Current State: 39:[11, 50], Operations: ['44/4=11', '73-23=50'] Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[4, 73, 44, 23], Operations: [] Exploring Operation: 73-23=50, Resulting Numbers: [4, 44, 50] Generated Node #0,0: 39:[4, 44, 50] Operation: 73-23=50 Moving to Node #0,0 Current State: 39:[4, 44, 50], Operations: ['73-23=50'] Exploring Operation: 50-44=6, Resulting Numbers: [4, 6] Generated Node #0,0,0: 39:[4, 6] Operation: 50-44=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[4, 6], Operations: ['73-23=50', '50-44=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 24, 26, 73, 14 ]
89
[ "26-24=2", "73+14=87", "2+87=89" ]
Current State: 89:[24, 26, 73, 14], Operations: [] Exploring Operation: 26-24=2, Resulting Numbers: [73, 14, 2] Generated Node #2: [73, 14, 2] from Operation: 26-24=2 Current State: 89:[73, 14, 2], Operations: ['26-24=2'] Exploring Operation: 73+14=87, Resulting Numbers: [2, 87] Generated Node #3: [2, 87] from Operation: 73+14=87 Current State: 89:[2, 87], Operations: ['26-24=2', '73+14=87'] Exploring Operation: 2+87=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[24, 26, 73, 14], Operations: [] Exploring Operation: 24+14=38, Resulting Numbers: [26, 73, 38] Generated Node #0,0: 89:[26, 73, 38] Operation: 24+14=38 Exploring Operation: 24+26=50, Resulting Numbers: [73, 14, 50] Generated Node #0,1: 89:[73, 14, 50] Operation: 24+26=50 Moving to Node #0,0 Current State: 89:[26, 73, 38], Operations: ['24+14=38'] Exploring Operation: 26+38=64, Resulting Numbers: [73, 64] Generated Node #0,0,0: 89:[73, 64] Operation: 26+38=64 Exploring Operation: 26+73=99, Resulting Numbers: [38, 99] Generated Node #0,0,1: 89:[38, 99] Operation: 26+73=99 Moving to Node #0,1 Current State: 89:[73, 14, 50], Operations: ['24+26=50'] Exploring Operation: 73+14=87, Resulting Numbers: [50, 87] Generated Node #0,1,0: 89:[50, 87] Operation: 73+14=87 Exploring Operation: 14+50=64, Resulting Numbers: [73, 64] Generated Node #0,1,1: 89:[73, 64] Operation: 14+50=64 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[50, 87], Operations: ['24+26=50', '73+14=87'] Exploring Operation: 87-50=37, Resulting Numbers: [37] 37,89 unequal: No Solution Exploring Operation: 50+87=137, Resulting Numbers: [137] 137,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[73, 64], Operations: ['24+26=50', '14+50=64'] Exploring Operation: 73+64=137, Resulting Numbers: [137] 137,89 unequal: No Solution Exploring Operation: 73-64=9, Resulting Numbers: [9] 9,89 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: 89:[73, 64], Operations: ['24+14=38', '26+38=64'] Exploring Operation: 73+64=137, Resulting Numbers: [137] 137,89 unequal: No Solution Exploring Operation: 73-64=9, Resulting Numbers: [9] 9,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[38, 99], Operations: ['24+14=38', '26+73=99'] Exploring Operation: 99-38=61, Resulting Numbers: [61] 61,89 unequal: No Solution Exploring Operation: 38+99=137, Resulting Numbers: [137] 137,89 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 78, 65, 7, 71 ]
64
[ "78-7=71", "71/71=1", "65-1=64" ]
Current State: 64:[78, 65, 7, 71], Operations: [] Exploring Operation: 78-7=71, Resulting Numbers: [65, 71, 71] Generated Node #2: [65, 71, 71] from Operation: 78-7=71 Current State: 64:[65, 71, 71], Operations: ['78-7=71'] Exploring Operation: 71/71=1, Resulting Numbers: [65, 1] Generated Node #3: [65, 1] from Operation: 71/71=1 Current State: 64:[65, 1], Operations: ['78-7=71', '71/71=1'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[78, 65, 7, 71], Operations: [] Exploring Operation: 78-65=13, Resulting Numbers: [7, 71, 13] Generated Node #0,0: 64:[7, 71, 13] Operation: 78-65=13 Exploring Operation: 78-7=71, Resulting Numbers: [65, 71, 71] Generated Node #0,1: 64:[65, 71, 71] Operation: 78-7=71 Exploring Operation: 78-71=7, Resulting Numbers: [65, 7, 7] Generated Node #0,2: 64:[65, 7, 7] Operation: 78-71=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 64:[65, 7, 7], Operations: ['78-71=7'] Exploring Operation: 7+7=14, Resulting Numbers: [65, 14] Generated Node #0,2,0: 64:[65, 14] Operation: 7+7=14 Exploring Operation: 7-7=0, Resulting Numbers: [65, 0] Generated Node #0,2,1: 64:[65, 0] Operation: 7-7=0 Exploring Operation: 7/7=1, Resulting Numbers: [65, 1] Generated Node #0,2,2: 64:[65, 1] Operation: 7/7=1 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 64:[65, 1], Operations: ['78-71=7', '7/7=1'] Exploring Operation: 65*1=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[78, 65, 7, 71], Operations: [] Exploring Operation: 78-71=7, Resulting Numbers: [65, 7, 7] Generated Node #0,2: 64:[65, 7, 7] Operation: 78-71=7 Moving to Node #0,2 Current State: 64:[65, 7, 7], Operations: ['78-71=7'] Exploring Operation: 7/7=1, Resulting Numbers: [65, 1] Generated Node #0,2,2: 64:[65, 1] Operation: 7/7=1 Moving to Node #0,2,2 Current State: 64:[65, 1], Operations: ['78-71=7', '7/7=1'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 89, 47, 62, 41 ]
62
[ "89-47=42", "42-41=1", "62*1=62" ]
Current State: 62:[89, 47, 62, 41], Operations: [] Exploring Operation: 89-47=42, Resulting Numbers: [62, 41, 42] Generated Node #2: [62, 41, 42] from Operation: 89-47=42 Current State: 62:[62, 41, 42], Operations: ['89-47=42'] Exploring Operation: 42-41=1, Resulting Numbers: [62, 1] Generated Node #3: [62, 1] from Operation: 42-41=1 Current State: 62:[62, 1], Operations: ['89-47=42', '42-41=1'] Exploring Operation: 62*1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[89, 47, 62, 41], Operations: [] Exploring Operation: 89-47=42, Resulting Numbers: [62, 41, 42] Generated Node #0,0: 62:[62, 41, 42] Operation: 89-47=42 Exploring Operation: 89-62=27, Resulting Numbers: [47, 41, 27] Generated Node #0,1: 62:[47, 41, 27] Operation: 89-62=27 Exploring Operation: 89-41=48, Resulting Numbers: [47, 62, 48] Generated Node #0,2: 62:[47, 62, 48] Operation: 89-41=48 Exploring Operation: 47-41=6, Resulting Numbers: [89, 62, 6] Generated Node #0,3: 62:[89, 62, 6] Operation: 47-41=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[62, 41, 42], Operations: ['89-47=42'] Exploring Operation: 62-41=21, Resulting Numbers: [42, 21] Generated Node #0,0,0: 62:[42, 21] Operation: 62-41=21 Exploring Operation: 42-41=1, Resulting Numbers: [62, 1] Generated Node #0,0,1: 62:[62, 1] Operation: 42-41=1 Exploring Operation: 41+42=83, Resulting Numbers: [62, 83] Generated Node #0,0,2: 62:[62, 83] Operation: 41+42=83 Exploring Operation: 62-42=20, Resulting Numbers: [41, 20] Generated Node #0,0,3: 62:[41, 20] Operation: 62-42=20 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 62:[62, 1], Operations: ['89-47=42', '42-41=1'] Exploring Operation: 62+1=63, Resulting Numbers: [63] 63,62 unequal: No Solution Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[89, 47, 62, 41], Operations: [] Exploring Operation: 89-47=42, Resulting Numbers: [62, 41, 42] Generated Node #0,0: 62:[62, 41, 42] Operation: 89-47=42 Moving to Node #0,0 Current State: 62:[62, 41, 42], Operations: ['89-47=42'] Exploring Operation: 42-41=1, Resulting Numbers: [62, 1] Generated Node #0,0,1: 62:[62, 1] Operation: 42-41=1 Moving to Node #0,0,1 Current State: 62:[62, 1], Operations: ['89-47=42', '42-41=1'] Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 21, 23, 97, 69 ]
34
[ "21*69=1449", "1449/23=63", "97-63=34" ]
Current State: 34:[21, 23, 97, 69], Operations: [] Exploring Operation: 21*69=1449, Resulting Numbers: [23, 97, 1449] Generated Node #2: [23, 97, 1449] from Operation: 21*69=1449 Current State: 34:[23, 97, 1449], Operations: ['21*69=1449'] Exploring Operation: 1449/23=63, Resulting Numbers: [97, 63] Generated Node #3: [97, 63] from Operation: 1449/23=63 Current State: 34:[97, 63], Operations: ['21*69=1449', '1449/23=63'] Exploring Operation: 97-63=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[21, 23, 97, 69], Operations: [] Exploring Operation: 97-69=28, Resulting Numbers: [21, 23, 28] Generated Node #0,0: 34:[21, 23, 28] Operation: 97-69=28 Exploring Operation: 69/23=3, Resulting Numbers: [21, 97, 3] Generated Node #0,1: 34:[21, 97, 3] Operation: 69/23=3 Exploring Operation: 69-23=46, Resulting Numbers: [21, 97, 46] Generated Node #0,2: 34:[21, 97, 46] Operation: 69-23=46 Exploring Operation: 97-23=74, Resulting Numbers: [21, 69, 74] Generated Node #0,3: 34:[21, 69, 74] Operation: 97-23=74 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[21, 23, 28], Operations: ['97-69=28'] Exploring Operation: 21+23=44, Resulting Numbers: [28, 44] Generated Node #0,0,0: 34:[28, 44] Operation: 21+23=44 Exploring Operation: 28-23=5, Resulting Numbers: [21, 5] Generated Node #0,0,1: 34:[21, 5] Operation: 28-23=5 Exploring Operation: 23-21=2, Resulting Numbers: [28, 2] Generated Node #0,0,2: 34:[28, 2] Operation: 23-21=2 Exploring Operation: 28-21=7, Resulting Numbers: [23, 7] Generated Node #0,0,3: 34:[23, 7] Operation: 28-21=7 Moving to Node #0,0,2 Current State: 34:[28, 2], Operations: ['97-69=28', '23-21=2'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,34 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,34 unequal: No Solution Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[21, 5], Operations: ['97-69=28', '28-23=5'] Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 21*5=105, Resulting Numbers: [105] 105,34 unequal: No Solution Moving to Node #0,0,3 Current State: 34:[23, 7], Operations: ['97-69=28', '28-21=7'] Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 23*7=161, Resulting Numbers: [161] 161,34 unequal: No Solution Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[28, 44], Operations: ['97-69=28', '21+23=44'] Exploring Operation: 28+44=72, Resulting Numbers: [72] 72,34 unequal: No Solution Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 28*44=1232, Resulting Numbers: [1232] 1232,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[21, 97, 3], Operations: ['69/23=3'] Exploring Operation: 97-3=94, Resulting Numbers: [21, 94] Generated Node #0,1,0: 34:[21, 94] Operation: 97-3=94 Exploring Operation: 21/3=7, Resulting Numbers: [97, 7] Generated Node #0,1,1: 34:[97, 7] Operation: 21/3=7 Exploring Operation: 97-21=76, Resulting Numbers: [3, 76] Generated Node #0,1,2: 34:[3, 76] Operation: 97-21=76 Exploring Operation: 21-3=18, Resulting Numbers: [97, 18] Generated Node #0,1,3: 34:[97, 18] Operation: 21-3=18 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 34:[3, 76], Operations: ['69/23=3', '97-21=76'] Exploring Operation: 3+76=79, Resulting Numbers: [79] 79,34 unequal: No Solution Exploring Operation: 76-3=73, Resulting Numbers: [73] 73,34 unequal: No Solution Exploring Operation: 3*76=228, Resulting Numbers: [228] 228,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 34:[21, 94], Operations: ['69/23=3', '97-3=94'] Exploring Operation: 21*94=1974, Resulting Numbers: [1974] 1974,34 unequal: No Solution Exploring Operation: 94-21=73, Resulting Numbers: [73] 73,34 unequal: No Solution Exploring Operation: 21+94=115, Resulting Numbers: [115] 115,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 34:[97, 18], Operations: ['69/23=3', '21-3=18'] Exploring Operation: 97*18=1746, Resulting Numbers: [1746] 1746,34 unequal: No Solution Exploring Operation: 97-18=79, Resulting Numbers: [79] 79,34 unequal: No Solution Exploring Operation: 97+18=115, Resulting Numbers: [115] 115,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 34:[97, 7], Operations: ['69/23=3', '21/3=7'] Exploring Operation: 97+7=104, Resulting Numbers: [104] 104,34 unequal: No Solution Exploring Operation: 97*7=679, Resulting Numbers: [679] 679,34 unequal: No Solution Exploring Operation: 97-7=90, Resulting Numbers: [90] 90,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[21, 97, 46], Operations: ['69-23=46'] Exploring Operation: 21+97=118, Resulting Numbers: [46, 118] Generated Node #0,2,0: 34:[46, 118] Operation: 21+97=118 Exploring Operation: 97-46=51, Resulting Numbers: [21, 51] Generated Node #0,2,1: 34:[21, 51] Operation: 97-46=51 Exploring Operation: 97-21=76, Resulting Numbers: [46, 76] Generated Node #0,2,2: 34:[46, 76] Operation: 97-21=76 Exploring Operation: 46-21=25, Resulting Numbers: [97, 25] Generated Node #0,2,3: 34:[97, 25] Operation: 46-21=25 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 34:[21, 51], Operations: ['69-23=46', '97-46=51'] Exploring Operation: 21*51=1071, Resulting Numbers: [1071] 1071,34 unequal: No Solution Exploring Operation: 21+51=72, Resulting Numbers: [72] 72,34 unequal: No Solution Exploring Operation: 51-21=30, Resulting Numbers: [30] 30,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 34:[46, 76], Operations: ['69-23=46', '97-21=76'] Exploring Operation: 46+76=122, Resulting Numbers: [122] 122,34 unequal: No Solution Exploring Operation: 46*76=3496, Resulting Numbers: [3496] 3496,34 unequal: No Solution Exploring Operation: 76-46=30, Resulting Numbers: [30] 30,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 34:[97, 25], Operations: ['69-23=46', '46-21=25'] Exploring Operation: 97+25=122, Resulting Numbers: [122] 122,34 unequal: No Solution Exploring Operation: 97-25=72, Resulting Numbers: [72] 72,34 unequal: No Solution Exploring Operation: 97*25=2425, Resulting Numbers: [2425] 2425,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 34:[46, 118], Operations: ['69-23=46', '21+97=118'] Exploring Operation: 46+118=164, Resulting Numbers: [164] 164,34 unequal: No Solution Exploring Operation: 118-46=72, Resulting Numbers: [72] 72,34 unequal: No Solution Exploring Operation: 46*118=5428, Resulting Numbers: [5428] 5428,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 34:[21, 69, 74], Operations: ['97-23=74'] Exploring Operation: 74-69=5, Resulting Numbers: [21, 5] Generated Node #0,3,0: 34:[21, 5] Operation: 74-69=5 Exploring Operation: 69-21=48, Resulting Numbers: [74, 48] Generated Node #0,3,1: 34:[74, 48] Operation: 69-21=48 Exploring Operation: 21+69=90, Resulting Numbers: [74, 90] Generated Node #0,3,2: 34:[74, 90] Operation: 21+69=90 Exploring Operation: 74-21=53, Resulting Numbers: [69, 53] Generated Node #0,3,3: 34:[69, 53] Operation: 74-21=53 Moving to Node #0,3,0 Current State: 34:[21, 5], Operations: ['97-23=74', '74-69=5'] Exploring Operation: 21*5=105, Resulting Numbers: [105] 105,34 unequal: No Solution Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,34 unequal: No Solution Moving to Node #0,3,3 Current State: 34:[69, 53], Operations: ['97-23=74', '74-21=53'] Exploring Operation: 69+53=122, Resulting Numbers: [122] 122,34 unequal: No Solution Exploring Operation: 69-53=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 69*53=3657, Resulting Numbers: [3657] 3657,34 unequal: No Solution Moving to Node #0,3,1 Current State: 34:[74, 48], Operations: ['97-23=74', '69-21=48'] Exploring Operation: 74+48=122, Resulting Numbers: [122] 122,34 unequal: No Solution Exploring Operation: 74*48=3552, Resulting Numbers: [3552] 3552,34 unequal: No Solution Exploring Operation: 74-48=26, Resulting Numbers: [26] 26,34 unequal: No Solution Moving to Node #0,3,2 Current State: 34:[74, 90], Operations: ['97-23=74', '21+69=90'] Exploring Operation: 74+90=164, Resulting Numbers: [164] 164,34 unequal: No Solution Exploring Operation: 74*90=6660, Resulting Numbers: [6660] 6660,34 unequal: No Solution Exploring Operation: 90-74=16, Resulting Numbers: [16] 16,34 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
[ 3, 64, 87, 28 ]
61
[ "87-3=84", "84/28=3", "64-3=61" ]
Current State: 61:[3, 64, 87, 28], Operations: [] Exploring Operation: 87-3=84, Resulting Numbers: [64, 28, 84] Generated Node #2: [64, 28, 84] from Operation: 87-3=84 Current State: 61:[64, 28, 84], Operations: ['87-3=84'] Exploring Operation: 84/28=3, Resulting Numbers: [64, 3] Generated Node #3: [64, 3] from Operation: 84/28=3 Current State: 61:[64, 3], Operations: ['87-3=84', '84/28=3'] Exploring Operation: 64-3=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[3, 64, 87, 28], Operations: [] Exploring Operation: 3*28=84, Resulting Numbers: [64, 87, 84] Generated Node #0,0: 61:[64, 87, 84] Operation: 3*28=84 Exploring Operation: 64-3=61, Resulting Numbers: [87, 28, 61] Generated Node #0,1: 61:[87, 28, 61] Operation: 64-3=61 Moving to Node #0,0 Current State: 61:[64, 87, 84], Operations: ['3*28=84'] Exploring Operation: 87-64=23, Resulting Numbers: [84, 23] Generated Node #0,0,0: 61:[84, 23] Operation: 87-64=23 Exploring Operation: 87-84=3, Resulting Numbers: [64, 3] Generated Node #0,0,1: 61:[64, 3] Operation: 87-84=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[84, 23], Operations: ['3*28=84', '87-64=23'] Exploring Operation: 84+23=107, Resulting Numbers: [107] 107,61 unequal: No Solution Exploring Operation: 84-23=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[3, 64, 87, 28], Operations: [] Exploring Operation: 3*28=84, Resulting Numbers: [64, 87, 84] Generated Node #0,0: 61:[64, 87, 84] Operation: 3*28=84 Moving to Node #0,0 Current State: 61:[64, 87, 84], Operations: ['3*28=84'] Exploring Operation: 87-64=23, Resulting Numbers: [84, 23] Generated Node #0,0,0: 61:[84, 23] Operation: 87-64=23 Moving to Node #0,0,0 Current State: 61:[84, 23], Operations: ['3*28=84', '87-64=23'] Exploring Operation: 84-23=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 7, 47, 57, 36 ]
20
[ "47+57=104", "36+104=140", "140/7=20" ]
Current State: 20:[7, 47, 57, 36], Operations: [] Exploring Operation: 47+57=104, Resulting Numbers: [7, 36, 104] Generated Node #2: [7, 36, 104] from Operation: 47+57=104 Current State: 20:[7, 36, 104], Operations: ['47+57=104'] Exploring Operation: 36+104=140, Resulting Numbers: [7, 140] Generated Node #3: [7, 140] from Operation: 36+104=140 Current State: 20:[7, 140], Operations: ['47+57=104', '36+104=140'] Exploring Operation: 140/7=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[7, 47, 57, 36], Operations: [] Exploring Operation: 57-47=10, Resulting Numbers: [7, 36, 10] Generated Node #0,0: 20:[7, 36, 10] Operation: 57-47=10 Exploring Operation: 57-36=21, Resulting Numbers: [7, 47, 21] Generated Node #0,1: 20:[7, 47, 21] Operation: 57-36=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[7, 36, 10], Operations: ['57-47=10'] Exploring Operation: 36-10=26, Resulting Numbers: [7, 26] Generated Node #0,0,0: 20:[7, 26] Operation: 36-10=26 Exploring Operation: 36-7=29, Resulting Numbers: [10, 29] Generated Node #0,0,1: 20:[10, 29] Operation: 36-7=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[7, 26], Operations: ['57-47=10', '36-10=26'] Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 7+26=33, Resulting Numbers: [33] 33,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[10, 29], Operations: ['57-47=10', '36-7=29'] Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 10+29=39, Resulting Numbers: [39] 39,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[7, 47, 21], Operations: ['57-36=21'] Exploring Operation: 47-7=40, Resulting Numbers: [21, 40] Generated Node #0,1,0: 20:[21, 40] Operation: 47-7=40 Exploring Operation: 47-21=26, Resulting Numbers: [7, 26] Generated Node #0,1,1: 20:[7, 26] Operation: 47-21=26 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 20:[7, 26], Operations: ['57-36=21', '47-21=26'] Exploring Operation: 7+26=33, Resulting Numbers: [33] 33,20 unequal: No Solution Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 20:[21, 40], Operations: ['57-36=21', '47-7=40'] Exploring Operation: 21+40=61, Resulting Numbers: [61] 61,20 unequal: No Solution Exploring Operation: 40-21=19, Resulting Numbers: [19] 19,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 16, 52, 55, 14 ]
62
[ "16*52=832", "55*14=770", "832-770=62" ]
Current State: 62:[16, 52, 55, 14], Operations: [] Exploring Operation: 16*52=832, Resulting Numbers: [55, 14, 832] Generated Node #2: [55, 14, 832] from Operation: 16*52=832 Current State: 62:[55, 14, 832], Operations: ['16*52=832'] Exploring Operation: 55*14=770, Resulting Numbers: [832, 770] Generated Node #3: [832, 770] from Operation: 55*14=770 Current State: 62:[832, 770], Operations: ['16*52=832', '55*14=770'] Exploring Operation: 832-770=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[16, 52, 55, 14], Operations: [] Exploring Operation: 16+14=30, Resulting Numbers: [52, 55, 30] Generated Node #0,0: 62:[52, 55, 30] Operation: 16+14=30 Exploring Operation: 16-14=2, Resulting Numbers: [52, 55, 2] Generated Node #0,1: 62:[52, 55, 2] Operation: 16-14=2 Exploring Operation: 16+52=68, Resulting Numbers: [55, 14, 68] Generated Node #0,2: 62:[55, 14, 68] Operation: 16+52=68 Exploring Operation: 52-16=36, Resulting Numbers: [55, 14, 36] Generated Node #0,3: 62:[55, 14, 36] Operation: 52-16=36 Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[52, 55, 2], Operations: ['16-14=2'] Exploring Operation: 52+2=54, Resulting Numbers: [55, 54] Generated Node #0,1,0: 62:[55, 54] Operation: 52+2=54 Exploring Operation: 52/2=26, Resulting Numbers: [55, 26] Generated Node #0,1,1: 62:[55, 26] Operation: 52/2=26 Exploring Operation: 55+2=57, Resulting Numbers: [52, 57] Generated Node #0,1,2: 62:[52, 57] Operation: 55+2=57 Exploring Operation: 55-52=3, Resulting Numbers: [2, 3] Generated Node #0,1,3: 62:[2, 3] Operation: 55-52=3 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 62:[2, 3], Operations: ['16-14=2', '55-52=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,62 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 62:[55, 26], Operations: ['16-14=2', '52/2=26'] Exploring Operation: 55+26=81, Resulting Numbers: [81] 81,62 unequal: No Solution Exploring Operation: 55-26=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 55*26=1430, Resulting Numbers: [1430] 1430,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 62:[55, 54], Operations: ['16-14=2', '52+2=54'] Exploring Operation: 55-54=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 55+54=109, Resulting Numbers: [109] 109,62 unequal: No Solution Exploring Operation: 55*54=2970, Resulting Numbers: [2970] 2970,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 62:[52, 57], Operations: ['16-14=2', '55+2=57'] Exploring Operation: 52*57=2964, Resulting Numbers: [2964] 2964,62 unequal: No Solution Exploring Operation: 52+57=109, Resulting Numbers: [109] 109,62 unequal: No Solution Exploring Operation: 57-52=5, Resulting Numbers: [5] 5,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[52, 55, 30], Operations: ['16+14=30'] Exploring Operation: 55-52=3, Resulting Numbers: [30, 3] Generated Node #0,0,0: 62:[30, 3] Operation: 55-52=3 Exploring Operation: 52+30=82, Resulting Numbers: [55, 82] Generated Node #0,0,1: 62:[55, 82] Operation: 52+30=82 Exploring Operation: 52-30=22, Resulting Numbers: [55, 22] Generated Node #0,0,2: 62:[55, 22] Operation: 52-30=22 Exploring Operation: 55-30=25, Resulting Numbers: [52, 25] Generated Node #0,0,3: 62:[52, 25] Operation: 55-30=25 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 62:[30, 3], Operations: ['16+14=30', '55-52=3'] Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,62 unequal: No Solution Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,62 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,62 unequal: No Solution Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 62:[55, 22], Operations: ['16+14=30', '52-30=22'] Exploring Operation: 55*22=1210, Resulting Numbers: [1210] 1210,62 unequal: No Solution Exploring Operation: 55-22=33, Resulting Numbers: [33] 33,62 unequal: No Solution Exploring Operation: 55+22=77, Resulting Numbers: [77] 77,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 62:[52, 25], Operations: ['16+14=30', '55-30=25'] Exploring Operation: 52*25=1300, Resulting Numbers: [1300] 1300,62 unequal: No Solution Exploring Operation: 52+25=77, Resulting Numbers: [77] 77,62 unequal: No Solution Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 62:[55, 82], Operations: ['16+14=30', '52+30=82'] Exploring Operation: 55*82=4510, Resulting Numbers: [4510] 4510,62 unequal: No Solution Exploring Operation: 55+82=137, Resulting Numbers: [137] 137,62 unequal: No Solution Exploring Operation: 82-55=27, Resulting Numbers: [27] 27,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 62:[55, 14, 36], Operations: ['52-16=36'] Exploring Operation: 14+36=50, Resulting Numbers: [55, 50] Generated Node #0,3,0: 62:[55, 50] Operation: 14+36=50 Exploring Operation: 55+14=69, Resulting Numbers: [36, 69] Generated Node #0,3,1: 62:[36, 69] Operation: 55+14=69 Exploring Operation: 36-14=22, Resulting Numbers: [55, 22] Generated Node #0,3,2: 62:[55, 22] Operation: 36-14=22 Exploring Operation: 55-14=41, Resulting Numbers: [36, 41] Generated Node #0,3,3: 62:[36, 41] Operation: 55-14=41 Moving to Node #0,3,1 Current State: 62:[36, 69], Operations: ['52-16=36', '55+14=69'] Exploring Operation: 36*69=2484, Resulting Numbers: [2484] 2484,62 unequal: No Solution Exploring Operation: 36+69=105, Resulting Numbers: [105] 105,62 unequal: No Solution Exploring Operation: 69-36=33, Resulting Numbers: [33] 33,62 unequal: No Solution Moving to Node #0,3,3 Current State: 62:[36, 41], Operations: ['52-16=36', '55-14=41'] Exploring Operation: 36+41=77, Resulting Numbers: [77] 77,62 unequal: No Solution Exploring Operation: 41-36=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 36*41=1476, Resulting Numbers: [1476] 1476,62 unequal: No Solution Moving to Node #0,3,2 Current State: 62:[55, 22], Operations: ['52-16=36', '36-14=22'] Exploring Operation: 55*22=1210, Resulting Numbers: [1210] 1210,62 unequal: No Solution Exploring Operation: 55+22=77, Resulting Numbers: [77] 77,62 unequal: No Solution Exploring Operation: 55-22=33, Resulting Numbers: [33] 33,62 unequal: No Solution Moving to Node #0,3,0 Current State: 62:[55, 50], Operations: ['52-16=36', '14+36=50'] Exploring Operation: 55+50=105, Resulting Numbers: [105] 105,62 unequal: No Solution Exploring Operation: 55*50=2750, Resulting Numbers: [2750] 2750,62 unequal: No Solution Exploring Operation: 55-50=5, Resulting Numbers: [5] 5,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 62:[55, 14, 68], Operations: ['16+52=68'] Exploring Operation: 55-14=41, Resulting Numbers: [68, 41] Generated Node #0,2,0: 62:[68, 41] Operation: 55-14=41 Exploring Operation: 68-55=13, Resulting Numbers: [14, 13] Generated Node #0,2,1: 62:[14, 13] Operation: 68-55=13 Exploring Operation: 55+14=69, Resulting Numbers: [68, 69] Generated Node #0,2,2: 62:[68, 69] Operation: 55+14=69 Exploring Operation: 68-14=54, Resulting Numbers: [55, 54] Generated Node #0,2,3: 62:[55, 54] Operation: 68-14=54 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 62:[68, 69], Operations: ['16+52=68', '55+14=69'] Exploring Operation: 68+69=137, Resulting Numbers: [137] 137,62 unequal: No Solution Exploring Operation: 68*69=4692, Resulting Numbers: [4692] 4692,62 unequal: No Solution Exploring Operation: 69-68=1, Resulting Numbers: [1] 1,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 62:[55, 54], Operations: ['16+52=68', '68-14=54'] Exploring Operation: 55*54=2970, Resulting Numbers: [2970] 2970,62 unequal: No Solution Exploring Operation: 55+54=109, Resulting Numbers: [109] 109,62 unequal: No Solution Exploring Operation: 55-54=1, Resulting Numbers: [1] 1,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 62:[68, 41], Operations: ['16+52=68', '55-14=41'] Exploring Operation: 68+41=109, Resulting Numbers: [109] 109,62 unequal: No Solution Exploring Operation: 68*41=2788, Resulting Numbers: [2788] 2788,62 unequal: No Solution Exploring Operation: 68-41=27, Resulting Numbers: [27] 27,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 62:[14, 13], Operations: ['16+52=68', '68-55=13'] Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 14*13=182, Resulting Numbers: [182] 182,62 unequal: No Solution Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 56, 31, 10, 79 ]
45
[ "31+79=110", "110/10=11", "56-11=45" ]
Current State: 45:[56, 31, 10, 79], Operations: [] Exploring Operation: 31+79=110, Resulting Numbers: [56, 10, 110] Generated Node #2: [56, 10, 110] from Operation: 31+79=110 Current State: 45:[56, 10, 110], Operations: ['31+79=110'] Exploring Operation: 110/10=11, Resulting Numbers: [56, 11] Generated Node #3: [56, 11] from Operation: 110/10=11 Current State: 45:[56, 11], Operations: ['31+79=110', '110/10=11'] Exploring Operation: 56-11=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[56, 31, 10, 79], Operations: [] Exploring Operation: 56-31=25, Resulting Numbers: [10, 79, 25] Generated Node #0,0: 45:[10, 79, 25] Operation: 56-31=25 Exploring Operation: 79-56=23, Resulting Numbers: [31, 10, 23] Generated Node #0,1: 45:[31, 10, 23] Operation: 79-56=23 Exploring Operation: 79-31=48, Resulting Numbers: [56, 10, 48] Generated Node #0,2: 45:[56, 10, 48] Operation: 79-31=48 Exploring Operation: 56-10=46, Resulting Numbers: [31, 79, 46] Generated Node #0,3: 45:[31, 79, 46] Operation: 56-10=46 Moving to Node #0,2 Current State: 45:[56, 10, 48], Operations: ['79-31=48'] Exploring Operation: 56-48=8, Resulting Numbers: [10, 8] Generated Node #0,2,0: 45:[10, 8] Operation: 56-48=8 Exploring Operation: 56-10=46, Resulting Numbers: [48, 46] Generated Node #0,2,1: 45:[48, 46] Operation: 56-10=46 Exploring Operation: 56+10=66, Resulting Numbers: [48, 66] Generated Node #0,2,2: 45:[48, 66] Operation: 56+10=66 Exploring Operation: 48-10=38, Resulting Numbers: [56, 38] Generated Node #0,2,3: 45:[56, 38] Operation: 48-10=38 Moving to Node #0,1 Current State: 45:[31, 10, 23], Operations: ['79-56=23'] Exploring Operation: 31+23=54, Resulting Numbers: [10, 54] Generated Node #0,1,0: 45:[10, 54] Operation: 31+23=54 Exploring Operation: 31-10=21, Resulting Numbers: [23, 21] Generated Node #0,1,1: 45:[23, 21] Operation: 31-10=21 Exploring Operation: 31-23=8, Resulting Numbers: [10, 8] Generated Node #0,1,2: 45:[10, 8] Operation: 31-23=8 Exploring Operation: 31+10=41, Resulting Numbers: [23, 41] Generated Node #0,1,3: 45:[23, 41] Operation: 31+10=41 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 45:[10, 8], Operations: ['79-56=23', '31-23=8'] Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,45 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,45 unequal: No Solution Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 45:[10, 54], Operations: ['79-56=23', '31+23=54'] Exploring Operation: 10*54=540, Resulting Numbers: [540] 540,45 unequal: No Solution Exploring Operation: 54-10=44, Resulting Numbers: [44] 44,45 unequal: No Solution Exploring Operation: 10+54=64, Resulting Numbers: [64] 64,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 45:[23, 41], Operations: ['79-56=23', '31+10=41'] Exploring Operation: 23+41=64, Resulting Numbers: [64] 64,45 unequal: No Solution Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,45 unequal: No Solution Exploring Operation: 23*41=943, Resulting Numbers: [943] 943,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 45:[23, 21], Operations: ['79-56=23', '31-10=21'] Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,45 unequal: No Solution Exploring Operation: 23+21=44, Resulting Numbers: [44] 44,45 unequal: No Solution Exploring Operation: 23*21=483, Resulting Numbers: [483] 483,45 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: 45:[10, 79, 25], Operations: ['56-31=25'] Exploring Operation: 79-25=54, Resulting Numbers: [10, 54] Generated Node #0,0,0: 45:[10, 54] Operation: 79-25=54 Exploring Operation: 10+25=35, Resulting Numbers: [79, 35] Generated Node #0,0,1: 45:[79, 35] Operation: 10+25=35 Exploring Operation: 79-10=69, Resulting Numbers: [25, 69] Generated Node #0,0,2: 45:[25, 69] Operation: 79-10=69 Exploring Operation: 25-10=15, Resulting Numbers: [79, 15] Generated Node #0,0,3: 45:[79, 15] Operation: 25-10=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 45:[10, 54], Operations: ['56-31=25', '79-25=54'] Exploring Operation: 54-10=44, Resulting Numbers: [44] 44,45 unequal: No Solution Exploring Operation: 10*54=540, Resulting Numbers: [540] 540,45 unequal: No Solution Exploring Operation: 10+54=64, Resulting Numbers: [64] 64,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 45:[25, 69], Operations: ['56-31=25', '79-10=69'] Exploring Operation: 25*69=1725, Resulting Numbers: [1725] 1725,45 unequal: No Solution Exploring Operation: 25+69=94, Resulting Numbers: [94] 94,45 unequal: No Solution Exploring Operation: 69-25=44, Resulting Numbers: [44] 44,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 45:[79, 15], Operations: ['56-31=25', '25-10=15'] Exploring Operation: 79-15=64, Resulting Numbers: [64] 64,45 unequal: No Solution Exploring Operation: 79*15=1185, Resulting Numbers: [1185] 1185,45 unequal: No Solution Exploring Operation: 79+15=94, Resulting Numbers: [94] 94,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 45:[79, 35], Operations: ['56-31=25', '10+25=35'] Exploring Operation: 79-35=44, Resulting Numbers: [44] 44,45 unequal: No Solution Exploring Operation: 79*35=2765, Resulting Numbers: [2765] 2765,45 unequal: No Solution Exploring Operation: 79+35=114, Resulting Numbers: [114] 114,45 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: 45:[31, 79, 46], Operations: ['56-10=46'] Exploring Operation: 31+79=110, Resulting Numbers: [46, 110] Generated Node #0,3,0: 45:[46, 110] Operation: 31+79=110 Exploring Operation: 46-31=15, Resulting Numbers: [79, 15] Generated Node #0,3,1: 45:[79, 15] Operation: 46-31=15 Exploring Operation: 79-46=33, Resulting Numbers: [31, 33] Generated Node #0,3,2: 45:[31, 33] Operation: 79-46=33 Exploring Operation: 79-31=48, Resulting Numbers: [46, 48] Generated Node #0,3,3: 45:[46, 48] Operation: 79-31=48 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 45:[46, 48], Operations: ['56-10=46', '79-31=48'] Exploring Operation: 46*48=2208, Resulting Numbers: [2208] 2208,45 unequal: No Solution Exploring Operation: 48-46=2, Resulting Numbers: [2] 2,45 unequal: No Solution Exploring Operation: 46+48=94, Resulting Numbers: [94] 94,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 45:[31, 33], Operations: ['56-10=46', '79-46=33'] Exploring Operation: 31*33=1023, Resulting Numbers: [1023] 1023,45 unequal: No Solution Exploring Operation: 31+33=64, Resulting Numbers: [64] 64,45 unequal: No Solution Exploring Operation: 33-31=2, Resulting Numbers: [2] 2,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 45:[79, 15], Operations: ['56-10=46', '46-31=15'] Exploring Operation: 79*15=1185, Resulting Numbers: [1185] 1185,45 unequal: No Solution Exploring Operation: 79+15=94, Resulting Numbers: [94] 94,45 unequal: No Solution Exploring Operation: 79-15=64, Resulting Numbers: [64] 64,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 45:[46, 110], Operations: ['56-10=46', '31+79=110'] Exploring Operation: 110-46=64, Resulting Numbers: [64] 64,45 unequal: No Solution Exploring Operation: 46*110=5060, Resulting Numbers: [5060] 5060,45 unequal: No Solution Exploring Operation: 46+110=156, Resulting Numbers: [156] 156,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 45:[10, 8], Operations: ['79-31=48', '56-48=8'] Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,45 unequal: No Solution Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,45 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,45 unequal: No Solution Moving to Node #0,2,1 Current State: 45:[48, 46], Operations: ['79-31=48', '56-10=46'] Exploring Operation: 48-46=2, Resulting Numbers: [2] 2,45 unequal: No Solution Exploring Operation: 48*46=2208, Resulting Numbers: [2208] 2208,45 unequal: No Solution Exploring Operation: 48+46=94, Resulting Numbers: [94] 94,45 unequal: No Solution Moving to Node #0,2,3 Current State: 45:[56, 38], Operations: ['79-31=48', '48-10=38'] Exploring Operation: 56-38=18, Resulting Numbers: [18] 18,45 unequal: No Solution Exploring Operation: 56*38=2128, Resulting Numbers: [2128] 2128,45 unequal: No Solution Exploring Operation: 56+38=94, Resulting Numbers: [94] 94,45 unequal: No Solution Moving to Node #0,2,2 Current State: 45:[48, 66], Operations: ['79-31=48', '56+10=66'] Exploring Operation: 48+66=114, Resulting Numbers: [114] 114,45 unequal: No Solution Exploring Operation: 48*66=3168, Resulting Numbers: [3168] 3168,45 unequal: No Solution Exploring Operation: 66-48=18, Resulting Numbers: [18] 18,45 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 93, 49, 55, 63 ]
84
[ "93*49=4557", "63+4557=4620", "4620/55=84" ]
Current State: 84:[93, 49, 55, 63], Operations: [] Exploring Operation: 93*49=4557, Resulting Numbers: [55, 63, 4557] Generated Node #2: [55, 63, 4557] from Operation: 93*49=4557 Current State: 84:[55, 63, 4557], Operations: ['93*49=4557'] Exploring Operation: 63+4557=4620, Resulting Numbers: [55, 4620] Generated Node #3: [55, 4620] from Operation: 63+4557=4620 Current State: 84:[55, 4620], Operations: ['93*49=4557', '63+4557=4620'] Exploring Operation: 4620/55=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[93, 49, 55, 63], Operations: [] Exploring Operation: 63-55=8, Resulting Numbers: [93, 49, 8] Generated Node #0,0: 84:[93, 49, 8] Operation: 63-55=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[93, 49, 8], Operations: ['63-55=8'] Exploring Operation: 93-49=44, Resulting Numbers: [8, 44] Generated Node #0,0,0: 84:[8, 44] Operation: 93-49=44 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[8, 44], Operations: ['63-55=8', '93-49=44'] Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 57, 9, 15, 96 ]
64
[ "9+96=105", "105/15=7", "57+7=64" ]
Current State: 64:[57, 9, 15, 96], Operations: [] Exploring Operation: 9+96=105, Resulting Numbers: [57, 15, 105] Generated Node #2: [57, 15, 105] from Operation: 9+96=105 Current State: 64:[57, 15, 105], Operations: ['9+96=105'] Exploring Operation: 105/15=7, Resulting Numbers: [57, 7] Generated Node #3: [57, 7] from Operation: 105/15=7 Current State: 64:[57, 7], Operations: ['9+96=105', '105/15=7'] Exploring Operation: 57+7=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[57, 9, 15, 96], Operations: [] Exploring Operation: 96-57=39, Resulting Numbers: [9, 15, 39] Generated Node #0,0: 64:[9, 15, 39] Operation: 96-57=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[9, 15, 39], Operations: ['96-57=39'] Exploring Operation: 39-9=30, Resulting Numbers: [15, 30] Generated Node #0,0,0: 64:[15, 30] Operation: 39-9=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 64:[15, 30], Operations: ['96-57=39', '39-9=30'] Exploring Operation: 30/15=2, Resulting Numbers: [2] 2,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 51, 2, 50, 79 ]
20
[ "51-2=49", "79-50=29", "49-29=20" ]
Current State: 20:[51, 2, 50, 79], Operations: [] Exploring Operation: 51-2=49, Resulting Numbers: [50, 79, 49] Generated Node #2: [50, 79, 49] from Operation: 51-2=49 Current State: 20:[50, 79, 49], Operations: ['51-2=49'] Exploring Operation: 79-50=29, Resulting Numbers: [49, 29] Generated Node #3: [49, 29] from Operation: 79-50=29 Current State: 20:[49, 29], Operations: ['51-2=49', '79-50=29'] Exploring Operation: 49-29=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[51, 2, 50, 79], Operations: [] Exploring Operation: 51-50=1, Resulting Numbers: [2, 79, 1] Generated Node #0,0: 20:[2, 79, 1] Operation: 51-50=1 Exploring Operation: 79-50=29, Resulting Numbers: [51, 2, 29] Generated Node #0,1: 20:[51, 2, 29] Operation: 79-50=29 Exploring Operation: 79-51=28, Resulting Numbers: [2, 50, 28] Generated Node #0,2: 20:[2, 50, 28] Operation: 79-51=28 Moving to Node #0,2 Current State: 20:[2, 50, 28], Operations: ['79-51=28'] Exploring Operation: 28/2=14, Resulting Numbers: [50, 14] Generated Node #0,2,0: 20:[50, 14] Operation: 28/2=14 Exploring Operation: 50/2=25, Resulting Numbers: [28, 25] Generated Node #0,2,1: 20:[28, 25] Operation: 50/2=25 Exploring Operation: 50-28=22, Resulting Numbers: [2, 22] Generated Node #0,2,2: 20:[2, 22] Operation: 50-28=22 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 20:[2, 22], Operations: ['79-51=28', '50-28=22'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[51, 2, 50, 79], Operations: [] Exploring Operation: 79-51=28, Resulting Numbers: [2, 50, 28] Generated Node #0,2: 20:[2, 50, 28] Operation: 79-51=28 Moving to Node #0,2 Current State: 20:[2, 50, 28], Operations: ['79-51=28'] Exploring Operation: 50-28=22, Resulting Numbers: [2, 22] Generated Node #0,2,2: 20:[2, 22] Operation: 50-28=22 Moving to Node #0,2,2 Current State: 20:[2, 22], Operations: ['79-51=28', '50-28=22'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 36, 16, 93, 7 ]
55
[ "93-36=57", "16*7=112", "112-57=55" ]
Current State: 55:[36, 16, 93, 7], Operations: [] Exploring Operation: 93-36=57, Resulting Numbers: [16, 7, 57] Generated Node #2: [16, 7, 57] from Operation: 93-36=57 Current State: 55:[16, 7, 57], Operations: ['93-36=57'] Exploring Operation: 16*7=112, Resulting Numbers: [57, 112] Generated Node #3: [57, 112] from Operation: 16*7=112 Current State: 55:[57, 112], Operations: ['93-36=57', '16*7=112'] Exploring Operation: 112-57=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[36, 16, 93, 7], Operations: [] Exploring Operation: 36+7=43, Resulting Numbers: [16, 93, 43] Generated Node #0,0: 55:[16, 93, 43] Operation: 36+7=43 Exploring Operation: 36-16=20, Resulting Numbers: [93, 7, 20] Generated Node #0,1: 55:[93, 7, 20] Operation: 36-16=20 Exploring Operation: 93-36=57, Resulting Numbers: [16, 7, 57] Generated Node #0,2: 55:[16, 7, 57] Operation: 93-36=57 Exploring Operation: 93-16=77, Resulting Numbers: [36, 7, 77] Generated Node #0,3: 55:[36, 7, 77] Operation: 93-16=77 Exploring Operation: 36+16=52, Resulting Numbers: [93, 7, 52] Generated Node #0,4: 55:[93, 7, 52] Operation: 36+16=52 Moving to Node #0,2 Current State: 55:[16, 7, 57], Operations: ['93-36=57'] Exploring Operation: 16+7=23, Resulting Numbers: [57, 23] Generated Node #0,2,0: 55:[57, 23] Operation: 16+7=23 Exploring Operation: 57-7=50, Resulting Numbers: [16, 50] Generated Node #0,2,1: 55:[16, 50] Operation: 57-7=50 Exploring Operation: 57-16=41, Resulting Numbers: [7, 41] Generated Node #0,2,2: 55:[7, 41] Operation: 57-16=41 Exploring Operation: 7+57=64, Resulting Numbers: [16, 64] Generated Node #0,2,3: 55:[16, 64] Operation: 7+57=64 Exploring Operation: 16-7=9, Resulting Numbers: [57, 9] Generated Node #0,2,4: 55:[57, 9] Operation: 16-7=9 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 55:[57, 9], Operations: ['93-36=57', '16-7=9'] Exploring Operation: 57+9=66, Resulting Numbers: [66] 66,55 unequal: No Solution Exploring Operation: 57-9=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 57*9=513, Resulting Numbers: [513] 513,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 55:[16, 50], Operations: ['93-36=57', '57-7=50'] Exploring Operation: 16*50=800, Resulting Numbers: [800] 800,55 unequal: No Solution Exploring Operation: 50-16=34, Resulting Numbers: [34] 34,55 unequal: No Solution Exploring Operation: 16+50=66, Resulting Numbers: [66] 66,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 55:[57, 23], Operations: ['93-36=57', '16+7=23'] Exploring Operation: 57+23=80, Resulting Numbers: [80] 80,55 unequal: No Solution Exploring Operation: 57*23=1311, Resulting Numbers: [1311] 1311,55 unequal: No Solution Exploring Operation: 57-23=34, Resulting Numbers: [34] 34,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 55:[16, 64], Operations: ['93-36=57', '7+57=64'] Exploring Operation: 16+64=80, Resulting Numbers: [80] 80,55 unequal: No Solution Exploring Operation: 64-16=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 64/16=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 16*64=1024, Resulting Numbers: [1024] 1024,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 55:[7, 41], Operations: ['93-36=57', '57-16=41'] Exploring Operation: 7*41=287, Resulting Numbers: [287] 287,55 unequal: No Solution Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,55 unequal: No Solution Exploring Operation: 7+41=48, Resulting Numbers: [48] 48,55 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: 55:[93, 7, 52], Operations: ['36+16=52'] Exploring Operation: 7+52=59, Resulting Numbers: [93, 59] Generated Node #0,4,0: 55:[93, 59] Operation: 7+52=59 Exploring Operation: 93-7=86, Resulting Numbers: [52, 86] Generated Node #0,4,1: 55:[52, 86] Operation: 93-7=86 Exploring Operation: 52-7=45, Resulting Numbers: [93, 45] Generated Node #0,4,2: 55:[93, 45] Operation: 52-7=45 Exploring Operation: 93+7=100, Resulting Numbers: [52, 100] Generated Node #0,4,3: 55:[52, 100] Operation: 93+7=100 Exploring Operation: 93-52=41, Resulting Numbers: [7, 41] Generated Node #0,4,4: 55:[7, 41] Operation: 93-52=41 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 55:[7, 41], Operations: ['36+16=52', '93-52=41'] Exploring Operation: 7+41=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 7*41=287, Resulting Numbers: [287] 287,55 unequal: No Solution Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 55:[52, 86], Operations: ['36+16=52', '93-7=86'] Exploring Operation: 52*86=4472, Resulting Numbers: [4472] 4472,55 unequal: No Solution Exploring Operation: 86-52=34, Resulting Numbers: [34] 34,55 unequal: No Solution Exploring Operation: 52+86=138, Resulting Numbers: [138] 138,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 55:[93, 59], Operations: ['36+16=52', '7+52=59'] Exploring Operation: 93*59=5487, Resulting Numbers: [5487] 5487,55 unequal: No Solution Exploring Operation: 93-59=34, Resulting Numbers: [34] 34,55 unequal: No Solution Exploring Operation: 93+59=152, Resulting Numbers: [152] 152,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 55:[93, 45], Operations: ['36+16=52', '52-7=45'] Exploring Operation: 93+45=138, Resulting Numbers: [138] 138,55 unequal: No Solution Exploring Operation: 93-45=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 93*45=4185, Resulting Numbers: [4185] 4185,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 55:[52, 100], Operations: ['36+16=52', '93+7=100'] Exploring Operation: 52+100=152, Resulting Numbers: [152] 152,55 unequal: No Solution Exploring Operation: 52*100=5200, Resulting Numbers: [5200] 5200,55 unequal: No Solution Exploring Operation: 100-52=48, Resulting Numbers: [48] 48,55 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: 55:[36, 7, 77], Operations: ['93-16=77'] Exploring Operation: 77/7=11, Resulting Numbers: [36, 11] Generated Node #0,3,0: 55:[36, 11] Operation: 77/7=11 Exploring Operation: 36-7=29, Resulting Numbers: [77, 29] Generated Node #0,3,1: 55:[77, 29] Operation: 36-7=29 Exploring Operation: 36+7=43, Resulting Numbers: [77, 43] Generated Node #0,3,2: 55:[77, 43] Operation: 36+7=43 Exploring Operation: 77-7=70, Resulting Numbers: [36, 70] Generated Node #0,3,3: 55:[36, 70] Operation: 77-7=70 Exploring Operation: 77-36=41, Resulting Numbers: [7, 41] Generated Node #0,3,4: 55:[7, 41] Operation: 77-36=41 Moving to Node #0,1 Current State: 55:[93, 7, 20], Operations: ['36-16=20'] Exploring Operation: 93-20=73, Resulting Numbers: [7, 73] Generated Node #0,1,0: 55:[7, 73] Operation: 93-20=73 Exploring Operation: 20-7=13, Resulting Numbers: [93, 13] Generated Node #0,1,1: 55:[93, 13] Operation: 20-7=13 Exploring Operation: 93-7=86, Resulting Numbers: [20, 86] Generated Node #0,1,2: 55:[20, 86] Operation: 93-7=86 Exploring Operation: 93+7=100, Resulting Numbers: [20, 100] Generated Node #0,1,3: 55:[20, 100] Operation: 93+7=100 Exploring Operation: 7+20=27, Resulting Numbers: [93, 27] Generated Node #0,1,4: 55:[93, 27] Operation: 7+20=27 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 55:[7, 73], Operations: ['36-16=20', '93-20=73'] Exploring Operation: 7*73=511, Resulting Numbers: [511] 511,55 unequal: No Solution Exploring Operation: 73-7=66, Resulting Numbers: [66] 66,55 unequal: No Solution Exploring Operation: 7+73=80, Resulting Numbers: [80] 80,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 55:[93, 13], Operations: ['36-16=20', '20-7=13'] Exploring Operation: 93-13=80, Resulting Numbers: [80] 80,55 unequal: No Solution Exploring Operation: 93+13=106, Resulting Numbers: [106] 106,55 unequal: No Solution Exploring Operation: 93*13=1209, Resulting Numbers: [1209] 1209,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 55:[20, 86], Operations: ['36-16=20', '93-7=86'] Exploring Operation: 20+86=106, Resulting Numbers: [106] 106,55 unequal: No Solution Exploring Operation: 20*86=1720, Resulting Numbers: [1720] 1720,55 unequal: No Solution Exploring Operation: 86-20=66, Resulting Numbers: [66] 66,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 55:[20, 100], Operations: ['36-16=20', '93+7=100'] Exploring Operation: 100/20=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 100-20=80, Resulting Numbers: [80] 80,55 unequal: No Solution Exploring Operation: 20+100=120, Resulting Numbers: [120] 120,55 unequal: No Solution Exploring Operation: 20*100=2000, Resulting Numbers: [2000] 2000,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 55:[93, 27], Operations: ['36-16=20', '7+20=27'] Exploring Operation: 93+27=120, Resulting Numbers: [120] 120,55 unequal: No Solution Exploring Operation: 93*27=2511, Resulting Numbers: [2511] 2511,55 unequal: No Solution Exploring Operation: 93-27=66, Resulting Numbers: [66] 66,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 55:[16, 93, 43], Operations: ['36+7=43'] Exploring Operation: 43-16=27, Resulting Numbers: [93, 27] Generated Node #0,0,0: 55:[93, 27] Operation: 43-16=27 Exploring Operation: 16+43=59, Resulting Numbers: [93, 59] Generated Node #0,0,1: 55:[93, 59] Operation: 16+43=59 Exploring Operation: 93-16=77, Resulting Numbers: [43, 77] Generated Node #0,0,2: 55:[43, 77] Operation: 93-16=77 Exploring Operation: 16+93=109, Resulting Numbers: [43, 109] Generated Node #0,0,3: 55:[43, 109] Operation: 16+93=109 Exploring Operation: 93-43=50, Resulting Numbers: [16, 50] Generated Node #0,0,4: 55:[16, 50] Operation: 93-43=50 Moving to Node #0,0,4 Current State: 55:[16, 50], Operations: ['36+7=43', '93-43=50'] Exploring Operation: 16*50=800, Resulting Numbers: [800] 800,55 unequal: No Solution Exploring Operation: 50-16=34, Resulting Numbers: [34] 34,55 unequal: No Solution Exploring Operation: 16+50=66, Resulting Numbers: [66] 66,55 unequal: No Solution Moving to Node #0,3,4 Current State: 55:[7, 41], Operations: ['93-16=77', '77-36=41'] Exploring Operation: 7*41=287, Resulting Numbers: [287] 287,55 unequal: No Solution Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,55 unequal: No Solution Exploring Operation: 7+41=48, Resulting Numbers: [48] 48,55 unequal: No Solution Moving to Node #0,3,0 Current State: 55:[36, 11], Operations: ['93-16=77', '77/7=11'] Exploring Operation: 36*11=396, Resulting Numbers: [396] 396,55 unequal: No Solution Exploring Operation: 36+11=47, Resulting Numbers: [47] 47,55 unequal: No Solution Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,55 unequal: No Solution Moving to Node #0,0,2 Current State: 55:[43, 77], Operations: ['36+7=43', '93-16=77'] Exploring Operation: 77-43=34, Resulting Numbers: [34] 34,55 unequal: No Solution Exploring Operation: 43*77=3311, Resulting Numbers: [3311] 3311,55 unequal: No Solution Exploring Operation: 43+77=120, Resulting Numbers: [120] 120,55 unequal: No Solution Moving to Node #0,3,2 Current State: 55:[77, 43], Operations: ['93-16=77', '36+7=43'] Exploring Operation: 77+43=120, Resulting Numbers: [120] 120,55 unequal: No Solution Exploring Operation: 77-43=34, Resulting Numbers: [34] 34,55 unequal: No Solution Exploring Operation: 77*43=3311, Resulting Numbers: [3311] 3311,55 unequal: No Solution Moving to Node #0,3,3 Current State: 55:[36, 70], Operations: ['93-16=77', '77-7=70'] Exploring Operation: 36+70=106, Resulting Numbers: [106] 106,55 unequal: No Solution Exploring Operation: 36*70=2520, Resulting Numbers: [2520] 2520,55 unequal: No Solution Exploring Operation: 70-36=34, Resulting Numbers: [34] 34,55 unequal: No Solution Moving to Node #0,3,1 Current State: 55:[77, 29], Operations: ['93-16=77', '36-7=29'] Exploring Operation: 77-29=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 77*29=2233, Resulting Numbers: [2233] 2233,55 unequal: No Solution Exploring Operation: 77+29=106, Resulting Numbers: [106] 106,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[93, 59], Operations: ['36+7=43', '16+43=59'] Exploring Operation: 93+59=152, Resulting Numbers: [152] 152,55 unequal: No Solution Exploring Operation: 93-59=34, Resulting Numbers: [34] 34,55 unequal: No Solution Exploring Operation: 93*59=5487, Resulting Numbers: [5487] 5487,55 unequal: No Solution Moving to Node #0,0,0 Current State: 55:[93, 27], Operations: ['36+7=43', '43-16=27'] Exploring Operation: 93-27=66, Resulting Numbers: [66] 66,55 unequal: No Solution Exploring Operation: 93+27=120, Resulting Numbers: [120] 120,55 unequal: No Solution Exploring Operation: 93*27=2511, Resulting Numbers: [2511] 2511,55 unequal: No Solution Moving to Node #0,0,3 Current State: 55:[43, 109], Operations: ['36+7=43', '16+93=109'] Exploring Operation: 109-43=66, Resulting Numbers: [66] 66,55 unequal: No Solution Exploring Operation: 43*109=4687, Resulting Numbers: [4687] 4687,55 unequal: No Solution Exploring Operation: 43+109=152, Resulting Numbers: [152] 152,55 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 67, 40, 26, 83 ]
82
[ "67-40=27", "26+83=109", "109-27=82" ]
Current State: 82:[67, 40, 26, 83], Operations: [] Exploring Operation: 67-40=27, Resulting Numbers: [26, 83, 27] Generated Node #2: [26, 83, 27] from Operation: 67-40=27 Current State: 82:[26, 83, 27], Operations: ['67-40=27'] Exploring Operation: 26+83=109, Resulting Numbers: [27, 109] Generated Node #3: [27, 109] from Operation: 26+83=109 Current State: 82:[27, 109], Operations: ['67-40=27', '26+83=109'] Exploring Operation: 109-27=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[67, 40, 26, 83], Operations: [] Exploring Operation: 67-26=41, Resulting Numbers: [40, 83, 41] Generated Node #0,0: 82:[40, 83, 41] Operation: 67-26=41 Exploring Operation: 67+26=93, Resulting Numbers: [40, 83, 93] Generated Node #0,1: 82:[40, 83, 93] Operation: 67+26=93 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[40, 83, 41], Operations: ['67-26=41'] Exploring Operation: 83-40=43, Resulting Numbers: [41, 43] Generated Node #0,0,0: 82:[41, 43] Operation: 83-40=43 Exploring Operation: 40+41=81, Resulting Numbers: [83, 81] Generated Node #0,0,1: 82:[83, 81] Operation: 40+41=81 Moving to Node #0,0,0 Current State: 82:[41, 43], Operations: ['67-26=41', '83-40=43'] Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,82 unequal: No Solution Exploring Operation: 41+43=84, Resulting Numbers: [84] 84,82 unequal: No Solution Moving to Node #0,0,1 Current State: 82:[83, 81], Operations: ['67-26=41', '40+41=81'] Exploring Operation: 83+81=164, Resulting Numbers: [164] 164,82 unequal: No Solution Exploring Operation: 83-81=2, Resulting Numbers: [2] 2,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[40, 83, 93], Operations: ['67+26=93'] Exploring Operation: 93-83=10, Resulting Numbers: [40, 10] Generated Node #0,1,0: 82:[40, 10] Operation: 93-83=10 Exploring Operation: 83-40=43, Resulting Numbers: [93, 43] Generated Node #0,1,1: 82:[93, 43] Operation: 83-40=43 Moving to Node #0,1,0 Current State: 82:[40, 10], Operations: ['67+26=93', '93-83=10'] Exploring Operation: 40+10=50, Resulting Numbers: [50] 50,82 unequal: No Solution Exploring Operation: 40/10=4, Resulting Numbers: [4] 4,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[93, 43], Operations: ['67+26=93', '83-40=43'] Exploring Operation: 93-43=50, Resulting Numbers: [50] 50,82 unequal: No Solution Exploring Operation: 93+43=136, Resulting Numbers: [136] 136,82 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
[ 17, 83, 51, 92 ]
43
[ "17+83=100", "51+92=143", "143-100=43" ]
Current State: 43:[17, 83, 51, 92], Operations: [] Exploring Operation: 17+83=100, Resulting Numbers: [51, 92, 100] Generated Node #2: [51, 92, 100] from Operation: 17+83=100 Current State: 43:[51, 92, 100], Operations: ['17+83=100'] Exploring Operation: 51+92=143, Resulting Numbers: [100, 143] Generated Node #3: [100, 143] from Operation: 51+92=143 Current State: 43:[100, 143], Operations: ['17+83=100', '51+92=143'] Exploring Operation: 143-100=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[17, 83, 51, 92], Operations: [] Exploring Operation: 92-51=41, Resulting Numbers: [17, 83, 41] Generated Node #0,0: 43:[17, 83, 41] Operation: 92-51=41 Exploring Operation: 92-83=9, Resulting Numbers: [17, 51, 9] Generated Node #0,1: 43:[17, 51, 9] Operation: 92-83=9 Moving to Node #0,0 Current State: 43:[17, 83, 41], Operations: ['92-51=41'] Exploring Operation: 83-17=66, Resulting Numbers: [41, 66] Generated Node #0,0,0: 43:[41, 66] Operation: 83-17=66 Exploring Operation: 83-41=42, Resulting Numbers: [17, 42] Generated Node #0,0,1: 43:[17, 42] Operation: 83-41=42 Moving to Node #0,1 Current State: 43:[17, 51, 9], Operations: ['92-83=9'] Exploring Operation: 51-9=42, Resulting Numbers: [17, 42] Generated Node #0,1,0: 43:[17, 42] Operation: 51-9=42 Exploring Operation: 17+9=26, Resulting Numbers: [51, 26] Generated Node #0,1,1: 43:[51, 26] Operation: 17+9=26 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 43:[51, 26], Operations: ['92-83=9', '17+9=26'] Exploring Operation: 51-26=25, Resulting Numbers: [25] 25,43 unequal: No Solution Exploring Operation: 51+26=77, Resulting Numbers: [77] 77,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 43:[17, 42], Operations: ['92-83=9', '51-9=42'] Exploring Operation: 42-17=25, Resulting Numbers: [25] 25,43 unequal: No Solution Exploring Operation: 17+42=59, Resulting Numbers: [59] 59,43 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: 43:[41, 66], Operations: ['92-51=41', '83-17=66'] Exploring Operation: 41+66=107, Resulting Numbers: [107] 107,43 unequal: No Solution Exploring Operation: 66-41=25, Resulting Numbers: [25] 25,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[17, 42], Operations: ['92-51=41', '83-41=42'] Exploring Operation: 17+42=59, Resulting Numbers: [59] 59,43 unequal: No Solution Exploring Operation: 42-17=25, Resulting Numbers: [25] 25,43 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 16, 71, 27, 27 ]
86
[ "16+71=87", "27/27=1", "87-1=86" ]
Current State: 86:[16, 71, 27, 27], Operations: [] Exploring Operation: 16+71=87, Resulting Numbers: [27, 27, 87] Generated Node #2: [27, 27, 87] from Operation: 16+71=87 Current State: 86:[27, 27, 87], Operations: ['16+71=87'] Exploring Operation: 27/27=1, Resulting Numbers: [87, 1] Generated Node #3: [87, 1] from Operation: 27/27=1 Current State: 86:[87, 1], Operations: ['16+71=87', '27/27=1'] Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[16, 71, 27, 27], Operations: [] Exploring Operation: 27/27=1, Resulting Numbers: [16, 71, 1] Generated Node #0,0: 86:[16, 71, 1] Operation: 27/27=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[16, 71, 1], Operations: ['27/27=1'] Exploring Operation: 16+71=87, Resulting Numbers: [1, 87] Generated Node #0,0,0: 86:[1, 87] Operation: 16+71=87 Moving to Node #0,0,0 Current State: 86:[1, 87], Operations: ['27/27=1', '16+71=87'] Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[16, 71, 27, 27], Operations: [] Exploring Operation: 27/27=1, Resulting Numbers: [16, 71, 1] Generated Node #0,0: 86:[16, 71, 1] Operation: 27/27=1 Moving to Node #0,0 Current State: 86:[16, 71, 1], Operations: ['27/27=1'] Exploring Operation: 16+71=87, Resulting Numbers: [1, 87] Generated Node #0,0,0: 86:[1, 87] Operation: 16+71=87 Moving to Node #0,0,0 Current State: 86:[1, 87], Operations: ['27/27=1', '16+71=87'] Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 20, 16, 33, 44 ]
29
[ "20+44=64", "64/16=4", "33-4=29" ]
Current State: 29:[20, 16, 33, 44], Operations: [] Exploring Operation: 20+44=64, Resulting Numbers: [16, 33, 64] Generated Node #2: [16, 33, 64] from Operation: 20+44=64 Current State: 29:[16, 33, 64], Operations: ['20+44=64'] Exploring Operation: 64/16=4, Resulting Numbers: [33, 4] Generated Node #3: [33, 4] from Operation: 64/16=4 Current State: 29:[33, 4], Operations: ['20+44=64', '64/16=4'] Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[20, 16, 33, 44], Operations: [] Exploring Operation: 44-16=28, Resulting Numbers: [20, 33, 28] Generated Node #0,0: 29:[20, 33, 28] Operation: 44-16=28 Exploring Operation: 20+16=36, Resulting Numbers: [33, 44, 36] Generated Node #0,1: 29:[33, 44, 36] Operation: 20+16=36 Exploring Operation: 44-20=24, Resulting Numbers: [16, 33, 24] Generated Node #0,2: 29:[16, 33, 24] Operation: 44-20=24 Moving to Node #0,0 Current State: 29:[20, 33, 28], Operations: ['44-16=28'] Exploring Operation: 33-20=13, Resulting Numbers: [28, 13] Generated Node #0,0,0: 29:[28, 13] Operation: 33-20=13 Exploring Operation: 20+28=48, Resulting Numbers: [33, 48] Generated Node #0,0,1: 29:[33, 48] Operation: 20+28=48 Exploring Operation: 20+33=53, Resulting Numbers: [28, 53] Generated Node #0,0,2: 29:[28, 53] Operation: 20+33=53 Moving to Node #0,2 Current State: 29:[16, 33, 24], Operations: ['44-20=24'] Exploring Operation: 16+24=40, Resulting Numbers: [33, 40] Generated Node #0,2,0: 29:[33, 40] Operation: 16+24=40 Exploring Operation: 16+33=49, Resulting Numbers: [24, 49] Generated Node #0,2,1: 29:[24, 49] Operation: 16+33=49 Exploring Operation: 33-16=17, Resulting Numbers: [24, 17] Generated Node #0,2,2: 29:[24, 17] Operation: 33-16=17 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 29:[33, 40], Operations: ['44-20=24', '16+24=40'] Exploring Operation: 33*40=1320, Resulting Numbers: [1320] 1320,29 unequal: No Solution Exploring Operation: 33+40=73, Resulting Numbers: [73] 73,29 unequal: No Solution Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,29 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 #0,2,2 Current State: 29:[24, 17], Operations: ['44-20=24', '33-16=17'] Exploring Operation: 24*17=408, Resulting Numbers: [408] 408,29 unequal: No Solution Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 24+17=41, Resulting Numbers: [41] 41,29 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 #0,2,1 Current State: 29:[24, 49], Operations: ['44-20=24', '16+33=49'] Exploring Operation: 24+49=73, Resulting Numbers: [73] 73,29 unequal: No Solution Exploring Operation: 24*49=1176, Resulting Numbers: [1176] 1176,29 unequal: No Solution Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 29:[33, 44, 36], Operations: ['20+16=36'] Exploring Operation: 44-33=11, Resulting Numbers: [36, 11] Generated Node #0,1,0: 29:[36, 11] Operation: 44-33=11 Exploring Operation: 36-33=3, Resulting Numbers: [44, 3] Generated Node #0,1,1: 29:[44, 3] Operation: 36-33=3 Exploring Operation: 44-36=8, Resulting Numbers: [33, 8] Generated Node #0,1,2: 29:[33, 8] Operation: 44-36=8 Moving to Node #0,0,0 Current State: 29:[28, 13], Operations: ['44-16=28', '33-20=13'] Exploring Operation: 28+13=41, Resulting Numbers: [41] 41,29 unequal: No Solution Exploring Operation: 28-13=15, Resulting Numbers: [15] 15,29 unequal: No Solution Exploring Operation: 28*13=364, Resulting Numbers: [364] 364,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[33, 48], Operations: ['44-16=28', '20+28=48'] Exploring Operation: 33+48=81, Resulting Numbers: [81] 81,29 unequal: No Solution Exploring Operation: 33*48=1584, Resulting Numbers: [1584] 1584,29 unequal: No Solution Exploring Operation: 48-33=15, Resulting Numbers: [15] 15,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[28, 53], Operations: ['44-16=28', '20+33=53'] Exploring Operation: 28*53=1484, Resulting Numbers: [1484] 1484,29 unequal: No Solution Exploring Operation: 28+53=81, Resulting Numbers: [81] 81,29 unequal: No Solution Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[33, 8], Operations: ['20+16=36', '44-36=8'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,29 unequal: No Solution Exploring Operation: 33*8=264, Resulting Numbers: [264] 264,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[36, 11], Operations: ['20+16=36', '44-33=11'] Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 36+11=47, Resulting Numbers: [47] 47,29 unequal: No Solution Exploring Operation: 36*11=396, Resulting Numbers: [396] 396,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[44, 3], Operations: ['20+16=36', '36-33=3'] Exploring Operation: 44+3=47, Resulting Numbers: [47] 47,29 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,29 unequal: No Solution Exploring Operation: 44*3=132, Resulting Numbers: [132] 132,29 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 36, 28, 11, 18 ]
67
[ "36*28=1008", "1008/18=56", "11+56=67" ]
Current State: 67:[36, 28, 11, 18], Operations: [] Exploring Operation: 36*28=1008, Resulting Numbers: [11, 18, 1008] Generated Node #2: [11, 18, 1008] from Operation: 36*28=1008 Current State: 67:[11, 18, 1008], Operations: ['36*28=1008'] Exploring Operation: 1008/18=56, Resulting Numbers: [11, 56] Generated Node #3: [11, 56] from Operation: 1008/18=56 Current State: 67:[11, 56], Operations: ['36*28=1008', '1008/18=56'] Exploring Operation: 11+56=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[36, 28, 11, 18], Operations: [] Exploring Operation: 36+11=47, Resulting Numbers: [28, 18, 47] Generated Node #0,0: 67:[28, 18, 47] Operation: 36+11=47 Exploring Operation: 28+18=46, Resulting Numbers: [36, 11, 46] Generated Node #0,1: 67:[36, 11, 46] Operation: 28+18=46 Exploring Operation: 36+18=54, Resulting Numbers: [28, 11, 54] Generated Node #0,2: 67:[28, 11, 54] Operation: 36+18=54 Exploring Operation: 36+28=64, Resulting Numbers: [11, 18, 64] Generated Node #0,3: 67:[11, 18, 64] Operation: 36+28=64 Exploring Operation: 28+11=39, Resulting Numbers: [36, 18, 39] Generated Node #0,4: 67:[36, 18, 39] Operation: 28+11=39 Moving to Node #0,0 Current State: 67:[28, 18, 47], Operations: ['36+11=47'] Exploring Operation: 18+47=65, Resulting Numbers: [28, 65] Generated Node #0,0,0: 67:[28, 65] Operation: 18+47=65 Exploring Operation: 28-18=10, Resulting Numbers: [47, 10] Generated Node #0,0,1: 67:[47, 10] Operation: 28-18=10 Exploring Operation: 28+47=75, Resulting Numbers: [18, 75] Generated Node #0,0,2: 67:[18, 75] Operation: 28+47=75 Exploring Operation: 47-18=29, Resulting Numbers: [28, 29] Generated Node #0,0,3: 67:[28, 29] Operation: 47-18=29 Exploring Operation: 28+18=46, Resulting Numbers: [47, 46] Generated Node #0,0,4: 67:[47, 46] Operation: 28+18=46 Moving to Node #0,2 Current State: 67:[28, 11, 54], Operations: ['36+18=54'] Exploring Operation: 28+11=39, Resulting Numbers: [54, 39] Generated Node #0,2,0: 67:[54, 39] Operation: 28+11=39 Exploring Operation: 54-11=43, Resulting Numbers: [28, 43] Generated Node #0,2,1: 67:[28, 43] Operation: 54-11=43 Exploring Operation: 28+54=82, Resulting Numbers: [11, 82] Generated Node #0,2,2: 67:[11, 82] Operation: 28+54=82 Exploring Operation: 28-11=17, Resulting Numbers: [54, 17] Generated Node #0,2,3: 67:[54, 17] Operation: 28-11=17 Exploring Operation: 11+54=65, Resulting Numbers: [28, 65] Generated Node #0,2,4: 67:[28, 65] Operation: 11+54=65 Moving to Node #0,4 Current State: 67:[36, 18, 39], Operations: ['28+11=39'] Exploring Operation: 39-18=21, Resulting Numbers: [36, 21] Generated Node #0,4,0: 67:[36, 21] Operation: 39-18=21 Exploring Operation: 36-18=18, Resulting Numbers: [39, 18] Generated Node #0,4,1: 67:[39, 18] Operation: 36-18=18 Exploring Operation: 36+18=54, Resulting Numbers: [39, 54] Generated Node #0,4,2: 67:[39, 54] Operation: 36+18=54 Exploring Operation: 18+39=57, Resulting Numbers: [36, 57] Generated Node #0,4,3: 67:[36, 57] Operation: 18+39=57 Exploring Operation: 36+39=75, Resulting Numbers: [18, 75] Generated Node #0,4,4: 67:[18, 75] Operation: 36+39=75 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 67:[39, 54], Operations: ['28+11=39', '36+18=54'] Exploring Operation: 39*54=2106, Resulting Numbers: [2106] 2106,67 unequal: No Solution Exploring Operation: 39+54=93, Resulting Numbers: [93] 93,67 unequal: No Solution Exploring Operation: 54-39=15, Resulting Numbers: [15] 15,67 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 #0,4,3 Current State: 67:[36, 57], Operations: ['28+11=39', '18+39=57'] Exploring Operation: 57-36=21, Resulting Numbers: [21] 21,67 unequal: No Solution Exploring Operation: 36*57=2052, Resulting Numbers: [2052] 2052,67 unequal: No Solution Exploring Operation: 36+57=93, Resulting Numbers: [93] 93,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 67:[18, 75], Operations: ['28+11=39', '36+39=75'] Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 18*75=1350, Resulting Numbers: [1350] 1350,67 unequal: No Solution Exploring Operation: 18+75=93, Resulting Numbers: [93] 93,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 67:[36, 21], Operations: ['28+11=39', '39-18=21'] Exploring Operation: 36*21=756, Resulting Numbers: [756] 756,67 unequal: No Solution Exploring Operation: 36-21=15, Resulting Numbers: [15] 15,67 unequal: No Solution Exploring Operation: 36+21=57, Resulting Numbers: [57] 57,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 67:[39, 18], Operations: ['28+11=39', '36-18=18'] Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,67 unequal: No Solution Exploring Operation: 39+18=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 39*18=702, Resulting Numbers: [702] 702,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 67:[36, 11, 46], Operations: ['28+18=46'] Exploring Operation: 36+46=82, Resulting Numbers: [11, 82] Generated Node #0,1,0: 67:[11, 82] Operation: 36+46=82 Exploring Operation: 11+46=57, Resulting Numbers: [36, 57] Generated Node #0,1,1: 67:[36, 57] Operation: 11+46=57 Exploring Operation: 46-11=35, Resulting Numbers: [36, 35] Generated Node #0,1,2: 67:[36, 35] Operation: 46-11=35 Exploring Operation: 36+11=47, Resulting Numbers: [46, 47] Generated Node #0,1,3: 67:[46, 47] Operation: 36+11=47 Exploring Operation: 36-11=25, Resulting Numbers: [46, 25] Generated Node #0,1,4: 67:[46, 25] Operation: 36-11=25 Moving to Node #0,3 Current State: 67:[11, 18, 64], Operations: ['36+28=64'] Exploring Operation: 64-11=53, Resulting Numbers: [18, 53] Generated Node #0,3,0: 67:[18, 53] Operation: 64-11=53 Exploring Operation: 11+64=75, Resulting Numbers: [18, 75] Generated Node #0,3,1: 67:[18, 75] Operation: 11+64=75 Exploring Operation: 18-11=7, Resulting Numbers: [64, 7] Generated Node #0,3,2: 67:[64, 7] Operation: 18-11=7 Exploring Operation: 18+64=82, Resulting Numbers: [11, 82] Generated Node #0,3,3: 67:[11, 82] Operation: 18+64=82 Exploring Operation: 11+18=29, Resulting Numbers: [64, 29] Generated Node #0,3,4: 67:[64, 29] Operation: 11+18=29 Moving to Node #0,0,0 Current State: 67:[28, 65], Operations: ['36+11=47', '18+47=65'] Exploring Operation: 28*65=1820, Resulting Numbers: [1820] 1820,67 unequal: No Solution Exploring Operation: 65-28=37, Resulting Numbers: [37] 37,67 unequal: No Solution Exploring Operation: 28+65=93, Resulting Numbers: [93] 93,67 unequal: No Solution Moving to Node #0,2,0 Current State: 67:[54, 39], Operations: ['36+18=54', '28+11=39'] Exploring Operation: 54-39=15, Resulting Numbers: [15] 15,67 unequal: No Solution Exploring Operation: 54*39=2106, Resulting Numbers: [2106] 2106,67 unequal: No Solution Exploring Operation: 54+39=93, Resulting Numbers: [93] 93,67 unequal: No Solution Moving to Node #0,2,4 Current State: 67:[28, 65], Operations: ['36+18=54', '11+54=65'] Exploring Operation: 28+65=93, Resulting Numbers: [93] 93,67 unequal: No Solution Exploring Operation: 28*65=1820, Resulting Numbers: [1820] 1820,67 unequal: No Solution Exploring Operation: 65-28=37, Resulting Numbers: [37] 37,67 unequal: No Solution Moving to Node #0,1,3 Current State: 67:[46, 47], Operations: ['28+18=46', '36+11=47'] Exploring Operation: 46+47=93, Resulting Numbers: [93] 93,67 unequal: No Solution Exploring Operation: 47-46=1, Resulting Numbers: [1] 1,67 unequal: No Solution Exploring Operation: 46*47=2162, Resulting Numbers: [2162] 2162,67 unequal: No Solution Moving to Node #0,0,4 Current State: 67:[47, 46], Operations: ['36+11=47', '28+18=46'] Exploring Operation: 47-46=1, Resulting Numbers: [1] 1,67 unequal: No Solution Exploring Operation: 47*46=2162, Resulting Numbers: [2162] 2162,67 unequal: No Solution Exploring Operation: 47+46=93, Resulting Numbers: [93] 93,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[36, 57], Operations: ['28+18=46', '11+46=57'] Exploring Operation: 36+57=93, Resulting Numbers: [93] 93,67 unequal: No Solution Exploring Operation: 36*57=2052, Resulting Numbers: [2052] 2052,67 unequal: No Solution Exploring Operation: 57-36=21, Resulting Numbers: [21] 21,67 unequal: No Solution Moving to Node #0,3,4 Current State: 67:[64, 29], Operations: ['36+28=64', '11+18=29'] Exploring Operation: 64*29=1856, Resulting Numbers: [1856] 1856,67 unequal: No Solution Exploring Operation: 64+29=93, Resulting Numbers: [93] 93,67 unequal: No Solution Exploring Operation: 64-29=35, Resulting Numbers: [35] 35,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[18, 75], Operations: ['36+11=47', '28+47=75'] Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 18+75=93, Resulting Numbers: [93] 93,67 unequal: No Solution Exploring Operation: 18*75=1350, Resulting Numbers: [1350] 1350,67 unequal: No Solution Moving to Node #0,3,1 Current State: 67:[18, 75], Operations: ['36+28=64', '11+64=75'] Exploring Operation: 18+75=93, Resulting Numbers: [93] 93,67 unequal: No Solution Exploring Operation: 18*75=1350, Resulting Numbers: [1350] 1350,67 unequal: No Solution Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,67 unequal: No Solution Moving to Node #0,1,4 Current State: 67:[46, 25], Operations: ['28+18=46', '36-11=25'] Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,67 unequal: No Solution Exploring Operation: 46+25=71, Resulting Numbers: [71] 71,67 unequal: No Solution Exploring Operation: 46*25=1150, Resulting Numbers: [1150] 1150,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[36, 35], Operations: ['28+18=46', '46-11=35'] Exploring Operation: 36*35=1260, Resulting Numbers: [1260] 1260,67 unequal: No Solution Exploring Operation: 36+35=71, Resulting Numbers: [71] 71,67 unequal: No Solution Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,67 unequal: No Solution Moving to Node #0,3,2 Current State: 67:[64, 7], Operations: ['36+28=64', '18-11=7'] Exploring Operation: 64*7=448, Resulting Numbers: [448] 448,67 unequal: No Solution Exploring Operation: 64-7=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 64+7=71, Resulting Numbers: [71] 71,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[28, 43], Operations: ['36+18=54', '54-11=43'] Exploring Operation: 28+43=71, Resulting Numbers: [71] 71,67 unequal: No Solution Exploring Operation: 43-28=15, Resulting Numbers: [15] 15,67 unequal: No Solution Exploring Operation: 28*43=1204, Resulting Numbers: [1204] 1204,67 unequal: No Solution Moving to Node #0,3,0 Current State: 67:[18, 53], Operations: ['36+28=64', '64-11=53'] Exploring Operation: 18*53=954, Resulting Numbers: [954] 954,67 unequal: No Solution Exploring Operation: 53-18=35, Resulting Numbers: [35] 35,67 unequal: No Solution Exploring Operation: 18+53=71, Resulting Numbers: [71] 71,67 unequal: No Solution Moving to Node #0,2,3 Current State: 67:[54, 17], Operations: ['36+18=54', '28-11=17'] Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,67 unequal: No Solution Exploring Operation: 54+17=71, Resulting Numbers: [71] 71,67 unequal: No Solution Exploring Operation: 54*17=918, Resulting Numbers: [918] 918,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[11, 82], Operations: ['36+18=54', '28+54=82'] Exploring Operation: 82-11=71, Resulting Numbers: [71] 71,67 unequal: No Solution Exploring Operation: 11+82=93, Resulting Numbers: [93] 93,67 unequal: No Solution Exploring Operation: 11*82=902, Resulting Numbers: [902] 902,67 unequal: No Solution Moving to Node #0,3,3 Current State: 67:[11, 82], Operations: ['36+28=64', '18+64=82'] Exploring Operation: 82-11=71, Resulting Numbers: [71] 71,67 unequal: No Solution Exploring Operation: 11+82=93, Resulting Numbers: [93] 93,67 unequal: No Solution Exploring Operation: 11*82=902, Resulting Numbers: [902] 902,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[11, 82], Operations: ['28+18=46', '36+46=82'] Exploring Operation: 11*82=902, Resulting Numbers: [902] 902,67 unequal: No Solution Exploring Operation: 11+82=93, Resulting Numbers: [93] 93,67 unequal: No Solution Exploring Operation: 82-11=71, Resulting Numbers: [71] 71,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[47, 10], Operations: ['36+11=47', '28-18=10'] Exploring Operation: 47+10=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,67 unequal: No Solution Exploring Operation: 47*10=470, Resulting Numbers: [470] 470,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[28, 29], Operations: ['36+11=47', '47-18=29'] Exploring Operation: 28+29=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 29-28=1, Resulting Numbers: [1] 1,67 unequal: No Solution Exploring Operation: 28*29=812, Resulting Numbers: [812] 812,67 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 20, 2, 42, 94 ]
100
[ "94/2=47", "47-42=5", "20*5=100" ]
Current State: 100:[20, 2, 42, 94], Operations: [] Exploring Operation: 94/2=47, Resulting Numbers: [20, 42, 47] Generated Node #2: [20, 42, 47] from Operation: 94/2=47 Current State: 100:[20, 42, 47], Operations: ['94/2=47'] Exploring Operation: 47-42=5, Resulting Numbers: [20, 5] Generated Node #3: [20, 5] from Operation: 47-42=5 Current State: 100:[20, 5], Operations: ['94/2=47', '47-42=5'] Exploring Operation: 20*5=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[20, 2, 42, 94], Operations: [] Exploring Operation: 94-42=52, Resulting Numbers: [20, 2, 52] Generated Node #0,0: 100:[20, 2, 52] Operation: 94-42=52 Exploring Operation: 42/2=21, Resulting Numbers: [20, 94, 21] Generated Node #0,1: 100:[20, 94, 21] Operation: 42/2=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[20, 2, 52], Operations: ['94-42=52'] Exploring Operation: 52-2=50, Resulting Numbers: [20, 50] Generated Node #0,0,0: 100:[20, 50] Operation: 52-2=50 Exploring Operation: 52/2=26, Resulting Numbers: [20, 26] Generated Node #0,0,1: 100:[20, 26] Operation: 52/2=26 Moving to Node #0,0,0 Current State: 100:[20, 50], Operations: ['94-42=52', '52-2=50'] Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,100 unequal: No Solution Exploring Operation: 20+50=70, Resulting Numbers: [70] 70,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[20, 26], Operations: ['94-42=52', '52/2=26'] Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,100 unequal: No Solution Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[20, 94, 21], Operations: ['42/2=21'] Exploring Operation: 21-20=1, Resulting Numbers: [94, 1] Generated Node #0,1,0: 100:[94, 1] Operation: 21-20=1 Exploring Operation: 20+94=114, Resulting Numbers: [21, 114] Generated Node #0,1,1: 100:[21, 114] Operation: 20+94=114 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 100:[94, 1], Operations: ['42/2=21', '21-20=1'] Exploring Operation: 94*1=94, Resulting Numbers: [94] 94,100 unequal: No Solution Exploring Operation: 94+1=95, Resulting Numbers: [95] 95,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 100:[21, 114], Operations: ['42/2=21', '20+94=114'] Exploring Operation: 21+114=135, Resulting Numbers: [135] 135,100 unequal: No Solution Exploring Operation: 114-21=93, Resulting Numbers: [93] 93,100 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_2
sum_heuristic
[ 16, 56, 53, 10 ]
49
[ "56-16=40", "40/10=4", "53-4=49" ]
Current State: 49:[16, 56, 53, 10], Operations: [] Exploring Operation: 56-16=40, Resulting Numbers: [53, 10, 40] Generated Node #2: [53, 10, 40] from Operation: 56-16=40 Current State: 49:[53, 10, 40], Operations: ['56-16=40'] Exploring Operation: 40/10=4, Resulting Numbers: [53, 4] Generated Node #3: [53, 4] from Operation: 40/10=4 Current State: 49:[53, 4], Operations: ['56-16=40', '40/10=4'] Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[16, 56, 53, 10], Operations: [] Exploring Operation: 56-53=3, Resulting Numbers: [16, 10, 3] Generated Node #0,0: 49:[16, 10, 3] Operation: 56-53=3 Exploring Operation: 56-16=40, Resulting Numbers: [53, 10, 40] Generated Node #0,1: 49:[53, 10, 40] Operation: 56-16=40 Exploring Operation: 16-10=6, Resulting Numbers: [56, 53, 6] Generated Node #0,2: 49:[56, 53, 6] Operation: 16-10=6 Start Sub Search at level 1: Moving to Node #0,2 Current State: 49:[56, 53, 6], Operations: ['16-10=6'] Exploring Operation: 53-6=47, Resulting Numbers: [56, 47] Generated Node #0,2,0: 49:[56, 47] Operation: 53-6=47 Exploring Operation: 56-6=50, Resulting Numbers: [53, 50] Generated Node #0,2,1: 49:[53, 50] Operation: 56-6=50 Exploring Operation: 56-53=3, Resulting Numbers: [6, 3] Generated Node #0,2,2: 49:[6, 3] Operation: 56-53=3 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 49:[53, 50], Operations: ['16-10=6', '56-6=50'] Exploring Operation: 53-50=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 53+50=103, Resulting Numbers: [103] 103,49 unequal: No Solution Exploring Operation: 53*50=2650, Resulting Numbers: [2650] 2650,49 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 #0,2,2 Current State: 49:[6, 3], Operations: ['16-10=6', '56-53=3'] Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,49 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 #0,2,0 Current State: 49:[56, 47], Operations: ['16-10=6', '53-6=47'] Exploring Operation: 56+47=103, Resulting Numbers: [103] 103,49 unequal: No Solution Exploring Operation: 56*47=2632, Resulting Numbers: [2632] 2632,49 unequal: No Solution Exploring Operation: 56-47=9, Resulting Numbers: [9] 9,49 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: 49:[16, 10, 3], Operations: ['56-53=3'] Exploring Operation: 16-3=13, Resulting Numbers: [10, 13] Generated Node #0,0,0: 49:[10, 13] Operation: 16-3=13 Exploring Operation: 16-10=6, Resulting Numbers: [3, 6] Generated Node #0,0,1: 49:[3, 6] Operation: 16-10=6 Exploring Operation: 16*3=48, Resulting Numbers: [10, 48] Generated Node #0,0,2: 49:[10, 48] Operation: 16*3=48 Moving to Node #0,0,2 Current State: 49:[10, 48], Operations: ['56-53=3', '16*3=48'] Exploring Operation: 10*48=480, Resulting Numbers: [480] 480,49 unequal: No Solution Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,49 unequal: No Solution Exploring Operation: 10+48=58, Resulting Numbers: [58] 58,49 unequal: No Solution Moving to Node #0,0,1 Current State: 49:[3, 6], Operations: ['56-53=3', '16-10=6'] Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,49 unequal: No Solution Moving to Node #0,0,0 Current State: 49:[10, 13], Operations: ['56-53=3', '16-3=13'] Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 10+13=23, Resulting Numbers: [23] 23,49 unequal: No Solution Exploring Operation: 10*13=130, Resulting Numbers: [130] 130,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[53, 10, 40], Operations: ['56-16=40'] Exploring Operation: 40/10=4, Resulting Numbers: [53, 4] Generated Node #0,1,0: 49:[53, 4] Operation: 40/10=4 Exploring Operation: 10+40=50, Resulting Numbers: [53, 50] Generated Node #0,1,1: 49:[53, 50] Operation: 10+40=50 Exploring Operation: 53-40=13, Resulting Numbers: [10, 13] Generated Node #0,1,2: 49:[10, 13] Operation: 53-40=13 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 49:[53, 50], Operations: ['56-16=40', '10+40=50'] Exploring Operation: 53*50=2650, Resulting Numbers: [2650] 2650,49 unequal: No Solution Exploring Operation: 53+50=103, Resulting Numbers: [103] 103,49 unequal: No Solution Exploring Operation: 53-50=3, Resulting Numbers: [3] 3,49 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:[53, 4], Operations: ['56-16=40', '40/10=4'] Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[16, 56, 53, 10], Operations: [] Exploring Operation: 56-16=40, Resulting Numbers: [53, 10, 40] Generated Node #0,1: 49:[53, 10, 40] Operation: 56-16=40 Moving to Node #0,1 Current State: 49:[53, 10, 40], Operations: ['56-16=40'] Exploring Operation: 40/10=4, Resulting Numbers: [53, 4] Generated Node #0,1,0: 49:[53, 4] Operation: 40/10=4 Moving to Node #0,1,0 Current State: 49:[53, 4], Operations: ['56-16=40', '40/10=4'] Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967014
hs_3
mult_heuristic
[ 36, 72, 30, 87 ]
27
[ "72/36=2", "30*2=60", "87-60=27" ]
Current State: 27:[36, 72, 30, 87], Operations: [] Exploring Operation: 72/36=2, Resulting Numbers: [30, 87, 2] Generated Node #2: [30, 87, 2] from Operation: 72/36=2 Current State: 27:[30, 87, 2], Operations: ['72/36=2'] Exploring Operation: 30*2=60, Resulting Numbers: [87, 60] Generated Node #3: [87, 60] from Operation: 30*2=60 Current State: 27:[87, 60], Operations: ['72/36=2', '30*2=60'] Exploring Operation: 87-60=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[36, 72, 30, 87], Operations: [] Exploring Operation: 87-72=15, Resulting Numbers: [36, 30, 15] Generated Node #0,0: 27:[36, 30, 15] Operation: 87-72=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[36, 30, 15], Operations: ['87-72=15'] Exploring Operation: 36-30=6, Resulting Numbers: [15, 6] Generated Node #0,0,0: 27:[15, 6] Operation: 36-30=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[15, 6], Operations: ['87-72=15', '36-30=6'] Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 2, 65, 95, 78 ]
54
[ "95-65=30", "78+30=108", "108/2=54" ]
Current State: 54:[2, 65, 95, 78], Operations: [] Exploring Operation: 95-65=30, Resulting Numbers: [2, 78, 30] Generated Node #2: [2, 78, 30] from Operation: 95-65=30 Current State: 54:[2, 78, 30], Operations: ['95-65=30'] Exploring Operation: 78+30=108, Resulting Numbers: [2, 108] Generated Node #3: [2, 108] from Operation: 78+30=108 Current State: 54:[2, 108], Operations: ['95-65=30', '78+30=108'] Exploring Operation: 108/2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[2, 65, 95, 78], Operations: [] Exploring Operation: 78-65=13, Resulting Numbers: [2, 95, 13] Generated Node #0,0: 54:[2, 95, 13] Operation: 78-65=13 Exploring Operation: 95-65=30, Resulting Numbers: [2, 78, 30] Generated Node #0,1: 54:[2, 78, 30] Operation: 95-65=30 Exploring Operation: 95-78=17, Resulting Numbers: [2, 65, 17] Generated Node #0,2: 54:[2, 65, 17] Operation: 95-78=17 Exploring Operation: 78/2=39, Resulting Numbers: [65, 95, 39] Generated Node #0,3: 54:[65, 95, 39] Operation: 78/2=39 Moving to Node #0,2 Current State: 54:[2, 65, 17], Operations: ['95-78=17'] Exploring Operation: 2+65=67, Resulting Numbers: [17, 67] Generated Node #0,2,0: 54:[17, 67] Operation: 2+65=67 Exploring Operation: 65-17=48, Resulting Numbers: [2, 48] Generated Node #0,2,1: 54:[2, 48] Operation: 65-17=48 Exploring Operation: 2+17=19, Resulting Numbers: [65, 19] Generated Node #0,2,2: 54:[65, 19] Operation: 2+17=19 Exploring Operation: 65-2=63, Resulting Numbers: [17, 63] Generated Node #0,2,3: 54:[17, 63] Operation: 65-2=63 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 54:[2, 48], Operations: ['95-78=17', '65-17=48'] Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,54 unequal: No Solution Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,54 unequal: No Solution Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,54 unequal: No Solution Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,54 unequal: No Solution No 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: 54:[17, 63], Operations: ['95-78=17', '65-2=63'] Exploring Operation: 63-17=46, Resulting Numbers: [46] 46,54 unequal: No Solution Exploring Operation: 17*63=1071, Resulting Numbers: [1071] 1071,54 unequal: No Solution Exploring Operation: 17+63=80, Resulting Numbers: [80] 80,54 unequal: No Solution No 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: 54:[65, 19], Operations: ['95-78=17', '2+17=19'] Exploring Operation: 65*19=1235, Resulting Numbers: [1235] 1235,54 unequal: No Solution Exploring Operation: 65-19=46, Resulting Numbers: [46] 46,54 unequal: No Solution Exploring Operation: 65+19=84, Resulting Numbers: [84] 84,54 unequal: No Solution No 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: 54:[17, 67], Operations: ['95-78=17', '2+65=67'] Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,54 unequal: No Solution Exploring Operation: 17*67=1139, Resulting Numbers: [1139] 1139,54 unequal: No Solution Exploring Operation: 17+67=84, Resulting Numbers: [84] 84,54 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: 54:[2, 78, 30], Operations: ['95-65=30'] Exploring Operation: 78-30=48, Resulting Numbers: [2, 48] Generated Node #0,1,0: 54:[2, 48] Operation: 78-30=48 Exploring Operation: 78/2=39, Resulting Numbers: [30, 39] Generated Node #0,1,1: 54:[30, 39] Operation: 78/2=39 Exploring Operation: 30-2=28, Resulting Numbers: [78, 28] Generated Node #0,1,2: 54:[78, 28] Operation: 30-2=28 Exploring Operation: 78-2=76, Resulting Numbers: [30, 76] Generated Node #0,1,3: 54:[30, 76] Operation: 78-2=76 Moving to Node #0,0 Current State: 54:[2, 95, 13], Operations: ['78-65=13'] Exploring Operation: 95-2=93, Resulting Numbers: [13, 93] Generated Node #0,0,0: 54:[13, 93] Operation: 95-2=93 Exploring Operation: 2*13=26, Resulting Numbers: [95, 26] Generated Node #0,0,1: 54:[95, 26] Operation: 2*13=26 Exploring Operation: 95-13=82, Resulting Numbers: [2, 82] Generated Node #0,0,2: 54:[2, 82] Operation: 95-13=82 Exploring Operation: 13-2=11, Resulting Numbers: [95, 11] Generated Node #0,0,3: 54:[95, 11] Operation: 13-2=11 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 54:[2, 82], Operations: ['78-65=13', '95-13=82'] Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,54 unequal: No Solution Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,54 unequal: No Solution Exploring Operation: 2*82=164, Resulting Numbers: [164] 164,54 unequal: No Solution Exploring Operation: 2+82=84, Resulting Numbers: [84] 84,54 unequal: No Solution No 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: 54:[95, 26], Operations: ['78-65=13', '2*13=26'] Exploring Operation: 95*26=2470, Resulting Numbers: [2470] 2470,54 unequal: No Solution Exploring Operation: 95+26=121, Resulting Numbers: [121] 121,54 unequal: No Solution Exploring Operation: 95-26=69, Resulting Numbers: [69] 69,54 unequal: No Solution No 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: 54:[13, 93], Operations: ['78-65=13', '95-2=93'] Exploring Operation: 13+93=106, Resulting Numbers: [106] 106,54 unequal: No Solution Exploring Operation: 93-13=80, Resulting Numbers: [80] 80,54 unequal: No Solution Exploring Operation: 13*93=1209, Resulting Numbers: [1209] 1209,54 unequal: No Solution No 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: 54:[95, 11], Operations: ['78-65=13', '13-2=11'] Exploring Operation: 95+11=106, Resulting Numbers: [106] 106,54 unequal: No Solution Exploring Operation: 95-11=84, Resulting Numbers: [84] 84,54 unequal: No Solution Exploring Operation: 95*11=1045, Resulting Numbers: [1045] 1045,54 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: 54:[65, 95, 39], Operations: ['78/2=39'] Exploring Operation: 65+39=104, Resulting Numbers: [95, 104] Generated Node #0,3,0: 54:[95, 104] Operation: 65+39=104 Exploring Operation: 95-65=30, Resulting Numbers: [39, 30] Generated Node #0,3,1: 54:[39, 30] Operation: 95-65=30 Exploring Operation: 65-39=26, Resulting Numbers: [95, 26] Generated Node #0,3,2: 54:[95, 26] Operation: 65-39=26 Exploring Operation: 95-39=56, Resulting Numbers: [65, 56] Generated Node #0,3,3: 54:[65, 56] Operation: 95-39=56 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 54:[65, 56], Operations: ['78/2=39', '95-39=56'] Exploring Operation: 65-56=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 65*56=3640, Resulting Numbers: [3640] 3640,54 unequal: No Solution Exploring Operation: 65+56=121, Resulting Numbers: [121] 121,54 unequal: No Solution No 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: 54:[39, 30], Operations: ['78/2=39', '95-65=30'] Exploring Operation: 39*30=1170, Resulting Numbers: [1170] 1170,54 unequal: No Solution Exploring Operation: 39-30=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 39+30=69, Resulting Numbers: [69] 69,54 unequal: No Solution No 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: 54:[95, 26], Operations: ['78/2=39', '65-39=26'] Exploring Operation: 95-26=69, Resulting Numbers: [69] 69,54 unequal: No Solution Exploring Operation: 95*26=2470, Resulting Numbers: [2470] 2470,54 unequal: No Solution Exploring Operation: 95+26=121, Resulting Numbers: [121] 121,54 unequal: No Solution No 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: 54:[95, 104], Operations: ['78/2=39', '65+39=104'] Exploring Operation: 95+104=199, Resulting Numbers: [199] 199,54 unequal: No Solution Exploring Operation: 95*104=9880, Resulting Numbers: [9880] 9880,54 unequal: No Solution Exploring Operation: 104-95=9, Resulting Numbers: [9] 9,54 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: 54:[2, 48], Operations: ['95-65=30', '78-30=48'] Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,54 unequal: No Solution Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,54 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,54 unequal: No Solution Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,54 unequal: No Solution Moving to Node #0,1,1 Current State: 54:[30, 39], Operations: ['95-65=30', '78/2=39'] Exploring Operation: 30+39=69, Resulting Numbers: [69] 69,54 unequal: No Solution Exploring Operation: 30*39=1170, Resulting Numbers: [1170] 1170,54 unequal: No Solution Exploring Operation: 39-30=9, Resulting Numbers: [9] 9,54 unequal: No Solution Moving to Node #0,1,3 Current State: 54:[30, 76], Operations: ['95-65=30', '78-2=76'] Exploring Operation: 30*76=2280, Resulting Numbers: [2280] 2280,54 unequal: No Solution Exploring Operation: 30+76=106, Resulting Numbers: [106] 106,54 unequal: No Solution Exploring Operation: 76-30=46, Resulting Numbers: [46] 46,54 unequal: No Solution Moving to Node #0,1,2 Current State: 54:[78, 28], Operations: ['95-65=30', '30-2=28'] Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,54 unequal: No Solution Exploring Operation: 78*28=2184, Resulting Numbers: [2184] 2184,54 unequal: No Solution Exploring Operation: 78+28=106, Resulting Numbers: [106] 106,54 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 15, 55, 95, 57 ]
47
[ "55+95=150", "150/15=10", "57-10=47" ]
Current State: 47:[15, 55, 95, 57], Operations: [] Exploring Operation: 55+95=150, Resulting Numbers: [15, 57, 150] Generated Node #2: [15, 57, 150] from Operation: 55+95=150 Current State: 47:[15, 57, 150], Operations: ['55+95=150'] Exploring Operation: 150/15=10, Resulting Numbers: [57, 10] Generated Node #3: [57, 10] from Operation: 150/15=10 Current State: 47:[57, 10], Operations: ['55+95=150', '150/15=10'] Exploring Operation: 57-10=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[15, 55, 95, 57], Operations: [] Exploring Operation: 95-55=40, Resulting Numbers: [15, 57, 40] Generated Node #0,0: 47:[15, 57, 40] Operation: 95-55=40 Moving to Node #0,0 Current State: 47:[15, 57, 40], Operations: ['95-55=40'] Exploring Operation: 57-15=42, Resulting Numbers: [40, 42] Generated Node #0,0,0: 47:[40, 42] Operation: 57-15=42 Moving to Node #0,0,0 Current State: 47:[40, 42], Operations: ['95-55=40', '57-15=42'] Exploring Operation: 40+42=82, Resulting Numbers: [82] 82,47 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 28, 86, 53, 28 ]
89
[ "28+86=114", "53-28=25", "114-25=89" ]
Current State: 89:[28, 86, 53, 28], Operations: [] Exploring Operation: 28+86=114, Resulting Numbers: [53, 114] Generated Node #2: [53, 114] from Operation: 28+86=114 Current State: 89:[53, 114], Operations: ['28+86=114'] Exploring Operation: 53-28=25, Resulting Numbers: [114, 25] Generated Node #3: [114, 25] from Operation: 53-28=25 Current State: 89:[114, 25], Operations: ['28+86=114', '53-28=25'] Exploring Operation: 114-25=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[28, 86, 53, 28], Operations: [] Exploring Operation: 53+28=81, Resulting Numbers: [28, 86, 81] Generated Node #0,0: 89:[28, 86, 81] Operation: 53+28=81 Exploring Operation: 28+53=81, Resulting Numbers: [86, 28, 81] Generated Node #0,1: 89:[86, 28, 81] Operation: 28+53=81 Exploring Operation: 86+28=114, Resulting Numbers: [28, 53, 114] Generated Node #0,2: 89:[28, 53, 114] Operation: 86+28=114 Exploring Operation: 28+28=56, Resulting Numbers: [86, 53, 56] Generated Node #0,3: 89:[86, 53, 56] Operation: 28+28=56 Exploring Operation: 28+86=114, Resulting Numbers: [53, 28, 114] Generated Node #0,4: 89:[53, 28, 114] Operation: 28+86=114 Moving to Node #0,0 Current State: 89:[28, 86, 81], Operations: ['53+28=81'] Exploring Operation: 86-28=58, Resulting Numbers: [81, 58] Generated Node #0,0,0: 89:[81, 58] Operation: 86-28=58 Exploring Operation: 28+86=114, Resulting Numbers: [81, 114] Generated Node #0,0,1: 89:[81, 114] Operation: 28+86=114 Exploring Operation: 28+81=109, Resulting Numbers: [86, 109] Generated Node #0,0,2: 89:[86, 109] Operation: 28+81=109 Exploring Operation: 86+81=167, Resulting Numbers: [28, 167] Generated Node #0,0,3: 89:[28, 167] Operation: 86+81=167 Exploring Operation: 81-28=53, Resulting Numbers: [86, 53] Generated Node #0,0,4: 89:[86, 53] Operation: 81-28=53 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 89:[86, 109], Operations: ['53+28=81', '28+81=109'] Exploring Operation: 86+109=195, Resulting Numbers: [195] 195,89 unequal: No Solution Exploring Operation: 109-86=23, Resulting Numbers: [23] 23,89 unequal: No Solution Exploring Operation: 86*109=9374, Resulting Numbers: [9374] 9374,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 89:[81, 114], Operations: ['53+28=81', '28+86=114'] Exploring Operation: 114-81=33, Resulting Numbers: [33] 33,89 unequal: No Solution Exploring Operation: 81*114=9234, Resulting Numbers: [9234] 9234,89 unequal: No Solution Exploring Operation: 81+114=195, Resulting Numbers: [195] 195,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[81, 58], Operations: ['53+28=81', '86-28=58'] Exploring Operation: 81*58=4698, Resulting Numbers: [4698] 4698,89 unequal: No Solution Exploring Operation: 81+58=139, Resulting Numbers: [139] 139,89 unequal: No Solution Exploring Operation: 81-58=23, Resulting Numbers: [23] 23,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 89:[86, 53], Operations: ['53+28=81', '81-28=53'] Exploring Operation: 86+53=139, Resulting Numbers: [139] 139,89 unequal: No Solution Exploring Operation: 86-53=33, Resulting Numbers: [33] 33,89 unequal: No Solution Exploring Operation: 86*53=4558, Resulting Numbers: [4558] 4558,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 89:[28, 167], Operations: ['53+28=81', '86+81=167'] Exploring Operation: 28+167=195, Resulting Numbers: [195] 195,89 unequal: No Solution Exploring Operation: 167-28=139, Resulting Numbers: [139] 139,89 unequal: No Solution Exploring Operation: 28*167=4676, Resulting Numbers: [4676] 4676,89 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: 89:[86, 53, 56], Operations: ['28+28=56'] Exploring Operation: 86+56=142, Resulting Numbers: [53, 142] Generated Node #0,3,0: 89:[53, 142] Operation: 86+56=142 Exploring Operation: 86-53=33, Resulting Numbers: [56, 33] Generated Node #0,3,1: 89:[56, 33] Operation: 86-53=33 Exploring Operation: 53+56=109, Resulting Numbers: [86, 109] Generated Node #0,3,2: 89:[86, 109] Operation: 53+56=109 Exploring Operation: 86+53=139, Resulting Numbers: [56, 139] Generated Node #0,3,3: 89:[56, 139] Operation: 86+53=139 Exploring Operation: 56-53=3, Resulting Numbers: [86, 3] Generated Node #0,3,4: 89:[86, 3] Operation: 56-53=3 Moving to Node #0,1 Current State: 89:[86, 28, 81], Operations: ['28+53=81'] Exploring Operation: 28+81=109, Resulting Numbers: [86, 109] Generated Node #0,1,0: 89:[86, 109] Operation: 28+81=109 Exploring Operation: 86+81=167, Resulting Numbers: [28, 167] Generated Node #0,1,1: 89:[28, 167] Operation: 86+81=167 Exploring Operation: 86+28=114, Resulting Numbers: [81, 114] Generated Node #0,1,2: 89:[81, 114] Operation: 86+28=114 Exploring Operation: 86-28=58, Resulting Numbers: [81, 58] Generated Node #0,1,3: 89:[81, 58] Operation: 86-28=58 Exploring Operation: 81-28=53, Resulting Numbers: [86, 53] Generated Node #0,1,4: 89:[86, 53] Operation: 81-28=53 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[86, 109], Operations: ['28+53=81', '28+81=109'] Exploring Operation: 86*109=9374, Resulting Numbers: [9374] 9374,89 unequal: No Solution Exploring Operation: 109-86=23, Resulting Numbers: [23] 23,89 unequal: No Solution Exploring Operation: 86+109=195, Resulting Numbers: [195] 195,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 89:[81, 114], Operations: ['28+53=81', '86+28=114'] Exploring Operation: 81*114=9234, Resulting Numbers: [9234] 9234,89 unequal: No Solution Exploring Operation: 114-81=33, Resulting Numbers: [33] 33,89 unequal: No Solution Exploring Operation: 81+114=195, Resulting Numbers: [195] 195,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 89:[81, 58], Operations: ['28+53=81', '86-28=58'] Exploring Operation: 81*58=4698, Resulting Numbers: [4698] 4698,89 unequal: No Solution Exploring Operation: 81+58=139, Resulting Numbers: [139] 139,89 unequal: No Solution Exploring Operation: 81-58=23, Resulting Numbers: [23] 23,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 89:[86, 53], Operations: ['28+53=81', '81-28=53'] Exploring Operation: 86+53=139, Resulting Numbers: [139] 139,89 unequal: No Solution Exploring Operation: 86-53=33, Resulting Numbers: [33] 33,89 unequal: No Solution Exploring Operation: 86*53=4558, Resulting Numbers: [4558] 4558,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[28, 167], Operations: ['28+53=81', '86+81=167'] Exploring Operation: 28+167=195, Resulting Numbers: [195] 195,89 unequal: No Solution Exploring Operation: 167-28=139, Resulting Numbers: [139] 139,89 unequal: No Solution Exploring Operation: 28*167=4676, Resulting Numbers: [4676] 4676,89 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: 89:[28, 53, 114], Operations: ['86+28=114'] Exploring Operation: 28+114=142, Resulting Numbers: [53, 142] Generated Node #0,2,0: 89:[53, 142] Operation: 28+114=142 Exploring Operation: 114-28=86, Resulting Numbers: [53, 86] Generated Node #0,2,1: 89:[53, 86] Operation: 114-28=86 Exploring Operation: 28+53=81, Resulting Numbers: [114, 81] Generated Node #0,2,2: 89:[114, 81] Operation: 28+53=81 Exploring Operation: 114-53=61, Resulting Numbers: [28, 61] Generated Node #0,2,3: 89:[28, 61] Operation: 114-53=61 Exploring Operation: 53-28=25, Resulting Numbers: [114, 25] Generated Node #0,2,4: 89:[114, 25] Operation: 53-28=25 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 89:[114, 81], Operations: ['86+28=114', '28+53=81'] Exploring Operation: 114+81=195, Resulting Numbers: [195] 195,89 unequal: No Solution Exploring Operation: 114*81=9234, Resulting Numbers: [9234] 9234,89 unequal: No Solution Exploring Operation: 114-81=33, Resulting Numbers: [33] 33,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 89:[53, 86], Operations: ['86+28=114', '114-28=86'] Exploring Operation: 53+86=139, Resulting Numbers: [139] 139,89 unequal: No Solution Exploring Operation: 53*86=4558, Resulting Numbers: [4558] 4558,89 unequal: No Solution Exploring Operation: 86-53=33, Resulting Numbers: [33] 33,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 89:[53, 142], Operations: ['86+28=114', '28+114=142'] Exploring Operation: 53+142=195, Resulting Numbers: [195] 195,89 unequal: No Solution Exploring Operation: 142-53=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[28, 86, 53, 28], Operations: [] Exploring Operation: 86+28=114, Resulting Numbers: [28, 53, 114] Generated Node #0,2: 89:[28, 53, 114] Operation: 86+28=114 Moving to Node #0,2 Current State: 89:[28, 53, 114], Operations: ['86+28=114'] Exploring Operation: 28+114=142, Resulting Numbers: [53, 142] Generated Node #0,2,0: 89:[53, 142] Operation: 28+114=142 Moving to Node #0,2,0 Current State: 89:[53, 142], Operations: ['86+28=114', '28+114=142'] Exploring Operation: 142-53=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.94184
hs_5
sum_heuristic
[ 87, 88, 17, 65 ]
82
[ "88-87=1", "17+65=82", "1*82=82" ]
Current State: 82:[87, 88, 17, 65], Operations: [] Exploring Operation: 88-87=1, Resulting Numbers: [17, 65, 1] Generated Node #2: [17, 65, 1] from Operation: 88-87=1 Current State: 82:[17, 65, 1], Operations: ['88-87=1'] Exploring Operation: 17+65=82, Resulting Numbers: [1, 82] Generated Node #3: [1, 82] from Operation: 17+65=82 Current State: 82:[1, 82], Operations: ['88-87=1', '17+65=82'] Exploring Operation: 1*82=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[87, 88, 17, 65], Operations: [] Exploring Operation: 88-87=1, Resulting Numbers: [17, 65, 1] Generated Node #0,0: 82:[17, 65, 1] Operation: 88-87=1 Exploring Operation: 87-17=70, Resulting Numbers: [88, 65, 70] Generated Node #0,1: 82:[88, 65, 70] Operation: 87-17=70 Exploring Operation: 88-17=71, Resulting Numbers: [87, 65, 71] Generated Node #0,2: 82:[87, 65, 71] Operation: 88-17=71 Exploring Operation: 65-17=48, Resulting Numbers: [87, 88, 48] Generated Node #0,3: 82:[87, 88, 48] Operation: 65-17=48 Exploring Operation: 17+65=82, Resulting Numbers: [87, 88, 82] Generated Node #0,4: 82:[87, 88, 82] Operation: 17+65=82 Moving to Node #0,4 Current State: 82:[87, 88, 82], Operations: ['17+65=82'] Exploring Operation: 87+82=169, Resulting Numbers: [88, 169] Generated Node #0,4,0: 82:[88, 169] Operation: 87+82=169 Exploring Operation: 87+88=175, Resulting Numbers: [82, 175] Generated Node #0,4,1: 82:[82, 175] Operation: 87+88=175 Exploring Operation: 87-82=5, Resulting Numbers: [88, 5] Generated Node #0,4,2: 82:[88, 5] Operation: 87-82=5 Exploring Operation: 88-87=1, Resulting Numbers: [82, 1] Generated Node #0,4,3: 82:[82, 1] Operation: 88-87=1 Exploring Operation: 88-82=6, Resulting Numbers: [87, 6] Generated Node #0,4,4: 82:[87, 6] Operation: 88-82=6 Moving to Node #0,3 Current State: 82:[87, 88, 48], Operations: ['65-17=48'] Exploring Operation: 87+48=135, Resulting Numbers: [88, 135] Generated Node #0,3,0: 82:[88, 135] Operation: 87+48=135 Exploring Operation: 88-87=1, Resulting Numbers: [48, 1] Generated Node #0,3,1: 82:[48, 1] Operation: 88-87=1 Exploring Operation: 87-48=39, Resulting Numbers: [88, 39] Generated Node #0,3,2: 82:[88, 39] Operation: 87-48=39 Exploring Operation: 88+48=136, Resulting Numbers: [87, 136] Generated Node #0,3,3: 82:[87, 136] Operation: 88+48=136 Exploring Operation: 88-48=40, Resulting Numbers: [87, 40] Generated Node #0,3,4: 82:[87, 40] Operation: 88-48=40 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 82:[87, 40], Operations: ['65-17=48', '88-48=40'] Exploring Operation: 87-40=47, Resulting Numbers: [47] 47,82 unequal: No Solution Exploring Operation: 87+40=127, Resulting Numbers: [127] 127,82 unequal: No Solution Exploring Operation: 87*40=3480, Resulting Numbers: [3480] 3480,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 82:[48, 1], Operations: ['65-17=48', '88-87=1'] Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,82 unequal: No Solution Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,82 unequal: No Solution Exploring Operation: 48+1=49, Resulting Numbers: [49] 49,82 unequal: No Solution Exploring Operation: 48-1=47, Resulting Numbers: [47] 47,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 82:[88, 39], Operations: ['65-17=48', '87-48=39'] Exploring Operation: 88+39=127, Resulting Numbers: [127] 127,82 unequal: No Solution Exploring Operation: 88-39=49, Resulting Numbers: [49] 49,82 unequal: No Solution Exploring Operation: 88*39=3432, Resulting Numbers: [3432] 3432,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 82:[88, 135], Operations: ['65-17=48', '87+48=135'] Exploring Operation: 88*135=11880, Resulting Numbers: [11880] 11880,82 unequal: No Solution Exploring Operation: 135-88=47, Resulting Numbers: [47] 47,82 unequal: No Solution Exploring Operation: 88+135=223, Resulting Numbers: [223] 223,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 82:[87, 136], Operations: ['65-17=48', '88+48=136'] Exploring Operation: 87*136=11832, Resulting Numbers: [11832] 11832,82 unequal: No Solution Exploring Operation: 87+136=223, Resulting Numbers: [223] 223,82 unequal: No Solution Exploring Operation: 136-87=49, Resulting Numbers: [49] 49,82 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: 82:[17, 65, 1], Operations: ['88-87=1'] Exploring Operation: 65+1=66, Resulting Numbers: [17, 66] Generated Node #0,0,0: 82:[17, 66] Operation: 65+1=66 Exploring Operation: 17-1=16, Resulting Numbers: [65, 16] Generated Node #0,0,1: 82:[65, 16] Operation: 17-1=16 Exploring Operation: 17+65=82, Resulting Numbers: [1, 82] Generated Node #0,0,2: 82:[1, 82] Operation: 17+65=82 Exploring Operation: 65-17=48, Resulting Numbers: [1, 48] Generated Node #0,0,3: 82:[1, 48] Operation: 65-17=48 Exploring Operation: 17*1=17, Resulting Numbers: [65, 17] Generated Node #0,0,4: 82:[65, 17] Operation: 17*1=17 Moving to Node #0,2 Current State: 82:[87, 65, 71], Operations: ['88-17=71'] Exploring Operation: 87-71=16, Resulting Numbers: [65, 16] Generated Node #0,2,0: 82:[65, 16] Operation: 87-71=16 Exploring Operation: 65+71=136, Resulting Numbers: [87, 136] Generated Node #0,2,1: 82:[87, 136] Operation: 65+71=136 Exploring Operation: 71-65=6, Resulting Numbers: [87, 6] Generated Node #0,2,2: 82:[87, 6] Operation: 71-65=6 Exploring Operation: 87-65=22, Resulting Numbers: [71, 22] Generated Node #0,2,3: 82:[71, 22] Operation: 87-65=22 Exploring Operation: 87+65=152, Resulting Numbers: [71, 152] Generated Node #0,2,4: 82:[71, 152] Operation: 87+65=152 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 82:[87, 6], Operations: ['88-17=71', '71-65=6'] Exploring Operation: 87*6=522, Resulting Numbers: [522] 522,82 unequal: No Solution Exploring Operation: 87+6=93, Resulting Numbers: [93] 93,82 unequal: No Solution Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 82:[71, 22], Operations: ['88-17=71', '87-65=22'] Exploring Operation: 71+22=93, Resulting Numbers: [93] 93,82 unequal: No Solution Exploring Operation: 71-22=49, Resulting Numbers: [49] 49,82 unequal: No Solution Exploring Operation: 71*22=1562, Resulting Numbers: [1562] 1562,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 82:[65, 16], Operations: ['88-17=71', '87-71=16'] Exploring Operation: 65+16=81, Resulting Numbers: [81] 81,82 unequal: No Solution Exploring Operation: 65-16=49, Resulting Numbers: [49] 49,82 unequal: No Solution Exploring Operation: 65*16=1040, Resulting Numbers: [1040] 1040,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 82:[87, 136], Operations: ['88-17=71', '65+71=136'] Exploring Operation: 87+136=223, Resulting Numbers: [223] 223,82 unequal: No Solution Exploring Operation: 87*136=11832, Resulting Numbers: [11832] 11832,82 unequal: No Solution Exploring Operation: 136-87=49, Resulting Numbers: [49] 49,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 82:[71, 152], Operations: ['88-17=71', '87+65=152'] Exploring Operation: 71*152=10792, Resulting Numbers: [10792] 10792,82 unequal: No Solution Exploring Operation: 152-71=81, Resulting Numbers: [81] 81,82 unequal: No Solution Exploring Operation: 71+152=223, Resulting Numbers: [223] 223,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 82:[88, 65, 70], Operations: ['87-17=70'] Exploring Operation: 88+65=153, Resulting Numbers: [70, 153] Generated Node #0,1,0: 82:[70, 153] Operation: 88+65=153 Exploring Operation: 88-70=18, Resulting Numbers: [65, 18] Generated Node #0,1,1: 82:[65, 18] Operation: 88-70=18 Exploring Operation: 88-65=23, Resulting Numbers: [70, 23] Generated Node #0,1,2: 82:[70, 23] Operation: 88-65=23 Exploring Operation: 70-65=5, Resulting Numbers: [88, 5] Generated Node #0,1,3: 82:[88, 5] Operation: 70-65=5 Exploring Operation: 65+70=135, Resulting Numbers: [88, 135] Generated Node #0,1,4: 82:[88, 135] Operation: 65+70=135 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 82:[88, 5], Operations: ['87-17=70', '70-65=5'] Exploring Operation: 88-5=83, Resulting Numbers: [83] 83,82 unequal: No Solution Exploring Operation: 88*5=440, Resulting Numbers: [440] 440,82 unequal: No Solution Exploring Operation: 88+5=93, Resulting Numbers: [93] 93,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 82:[70, 23], Operations: ['87-17=70', '88-65=23'] Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,82 unequal: No Solution Exploring Operation: 70+23=93, Resulting Numbers: [93] 93,82 unequal: No Solution Exploring Operation: 70*23=1610, Resulting Numbers: [1610] 1610,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 82:[65, 18], Operations: ['87-17=70', '88-70=18'] Exploring Operation: 65-18=47, Resulting Numbers: [47] 47,82 unequal: No Solution Exploring Operation: 65+18=83, Resulting Numbers: [83] 83,82 unequal: No Solution Exploring Operation: 65*18=1170, Resulting Numbers: [1170] 1170,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 82:[88, 135], Operations: ['87-17=70', '65+70=135'] Exploring Operation: 88+135=223, Resulting Numbers: [223] 223,82 unequal: No Solution Exploring Operation: 135-88=47, Resulting Numbers: [47] 47,82 unequal: No Solution Exploring Operation: 88*135=11880, Resulting Numbers: [11880] 11880,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 82:[70, 153], Operations: ['87-17=70', '88+65=153'] Exploring Operation: 70+153=223, Resulting Numbers: [223] 223,82 unequal: No Solution Exploring Operation: 70*153=10710, Resulting Numbers: [10710] 10710,82 unequal: No Solution Exploring Operation: 153-70=83, Resulting Numbers: [83] 83,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,3 Current State: 82:[82, 1], Operations: ['17+65=82', '88-87=1'] Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[87, 88, 17, 65], Operations: [] Exploring Operation: 17+65=82, Resulting Numbers: [87, 88, 82] Generated Node #0,4: 82:[87, 88, 82] Operation: 17+65=82 Moving to Node #0,4 Current State: 82:[87, 88, 82], Operations: ['17+65=82'] Exploring Operation: 88-87=1, Resulting Numbers: [82, 1] Generated Node #0,4,3: 82:[82, 1] Operation: 88-87=1 Moving to Node #0,4,3 Current State: 82:[82, 1], Operations: ['17+65=82', '88-87=1'] Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
0.929688
hs_5
mult_heuristic
[ 7, 14, 54, 97 ]
41
[ "14/7=2", "97-54=43", "43-2=41" ]
Current State: 41:[7, 14, 54, 97], Operations: [] Exploring Operation: 14/7=2, Resulting Numbers: [54, 97, 2] Generated Node #2: [54, 97, 2] from Operation: 14/7=2 Current State: 41:[54, 97, 2], Operations: ['14/7=2'] Exploring Operation: 97-54=43, Resulting Numbers: [2, 43] Generated Node #3: [2, 43] from Operation: 97-54=43 Current State: 41:[2, 43], Operations: ['14/7=2', '97-54=43'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[7, 14, 54, 97], Operations: [] Exploring Operation: 97-54=43, Resulting Numbers: [7, 14, 43] Generated Node #0,0: 41:[7, 14, 43] Operation: 97-54=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[7, 14, 43], Operations: ['97-54=43'] Exploring Operation: 7+14=21, Resulting Numbers: [43, 21] Generated Node #0,0,0: 41:[43, 21] Operation: 7+14=21 Moving to Node #0,0,0 Current State: 41:[43, 21], Operations: ['97-54=43', '7+14=21'] Exploring Operation: 43-21=22, Resulting Numbers: [22] 22,41 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
[ 6, 59, 51, 17 ]
54
[ "59-51=8", "17-8=9", "6*9=54" ]
Current State: 54:[6, 59, 51, 17], Operations: [] Exploring Operation: 59-51=8, Resulting Numbers: [6, 17, 8] Generated Node #2: [6, 17, 8] from Operation: 59-51=8 Current State: 54:[6, 17, 8], Operations: ['59-51=8'] Exploring Operation: 17-8=9, Resulting Numbers: [6, 9] Generated Node #3: [6, 9] from Operation: 17-8=9 Current State: 54:[6, 9], Operations: ['59-51=8', '17-8=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[6, 59, 51, 17], Operations: [] Exploring Operation: 59-51=8, Resulting Numbers: [6, 17, 8] Generated Node #0,0: 54:[6, 17, 8] Operation: 59-51=8 Moving to Node #0,0 Current State: 54:[6, 17, 8], Operations: ['59-51=8'] Exploring Operation: 17-8=9, Resulting Numbers: [6, 9] Generated Node #0,0,0: 54:[6, 9] Operation: 17-8=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[6, 9], Operations: ['59-51=8', '17-8=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[6, 59, 51, 17], Operations: [] Exploring Operation: 59-51=8, Resulting Numbers: [6, 17, 8] Generated Node #0,0: 54:[6, 17, 8] Operation: 59-51=8 Moving to Node #0,0 Current State: 54:[6, 17, 8], Operations: ['59-51=8'] Exploring Operation: 17-8=9, Resulting Numbers: [6, 9] Generated Node #0,0,0: 54:[6, 9] Operation: 17-8=9 Moving to Node #0,0,0 Current State: 54:[6, 9], Operations: ['59-51=8', '17-8=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 28, 80, 84, 33 ]
26
[ "84-80=4", "28/4=7", "33-7=26" ]
Current State: 26:[28, 80, 84, 33], Operations: [] Exploring Operation: 84-80=4, Resulting Numbers: [28, 33, 4] Generated Node #2: [28, 33, 4] from Operation: 84-80=4 Current State: 26:[28, 33, 4], Operations: ['84-80=4'] Exploring Operation: 28/4=7, Resulting Numbers: [33, 7] Generated Node #3: [33, 7] from Operation: 28/4=7 Current State: 26:[33, 7], Operations: ['84-80=4', '28/4=7'] Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[28, 80, 84, 33], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [80, 33, 3] Generated Node #0,0: 26:[80, 33, 3] Operation: 84/28=3 Exploring Operation: 84-80=4, Resulting Numbers: [28, 33, 4] Generated Node #0,1: 26:[28, 33, 4] Operation: 84-80=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[28, 33, 4], Operations: ['84-80=4'] Exploring Operation: 33-28=5, Resulting Numbers: [4, 5] Generated Node #0,1,0: 26:[4, 5] Operation: 33-28=5 Exploring Operation: 33-4=29, Resulting Numbers: [28, 29] Generated Node #0,1,1: 26:[28, 29] Operation: 33-4=29 Moving to Node #0,1,0 Current State: 26:[4, 5], Operations: ['84-80=4', '33-28=5'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,26 unequal: No Solution Moving to Node #0,1,1 Current State: 26:[28, 29], Operations: ['84-80=4', '33-4=29'] Exploring Operation: 28+29=57, Resulting Numbers: [57] 57,26 unequal: No Solution Exploring Operation: 29-28=1, Resulting Numbers: [1] 1,26 unequal: No Solution No 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: 26:[80, 33, 3], Operations: ['84/28=3'] Exploring Operation: 80-33=47, Resulting Numbers: [3, 47] Generated Node #0,0,0: 26:[3, 47] Operation: 80-33=47 Exploring Operation: 33/3=11, Resulting Numbers: [80, 11] Generated Node #0,0,1: 26:[80, 11] Operation: 33/3=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[3, 47], Operations: ['84/28=3', '80-33=47'] Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,26 unequal: No Solution Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 26:[80, 11], Operations: ['84/28=3', '33/3=11'] Exploring Operation: 80-11=69, Resulting Numbers: [69] 69,26 unequal: No Solution Exploring Operation: 80+11=91, Resulting Numbers: [91] 91,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 30, 48, 15, 6 ]
23
[ "30-15=15", "48/6=8", "15+8=23" ]
Current State: 23:[30, 48, 15, 6], Operations: [] Exploring Operation: 30-15=15, Resulting Numbers: [48, 6, 15] Generated Node #2: [48, 6, 15] from Operation: 30-15=15 Current State: 23:[48, 6, 15], Operations: ['30-15=15'] Exploring Operation: 48/6=8, Resulting Numbers: [15, 8] Generated Node #3: [15, 8] from Operation: 48/6=8 Current State: 23:[15, 8], Operations: ['30-15=15', '48/6=8'] Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[30, 48, 15, 6], Operations: [] Exploring Operation: 48-30=18, Resulting Numbers: [15, 6, 18] Generated Node #0,0: 23:[15, 6, 18] Operation: 48-30=18 Exploring Operation: 48/6=8, Resulting Numbers: [30, 15, 8] Generated Node #0,1: 23:[30, 15, 8] Operation: 48/6=8 Exploring Operation: 48-6=42, Resulting Numbers: [30, 15, 42] Generated Node #0,2: 23:[30, 15, 42] Operation: 48-6=42 Exploring Operation: 30-6=24, Resulting Numbers: [48, 15, 24] Generated Node #0,3: 23:[48, 15, 24] Operation: 30-6=24 Exploring Operation: 48-15=33, Resulting Numbers: [30, 6, 33] Generated Node #0,4: 23:[30, 6, 33] Operation: 48-15=33 Moving to Node #0,0 Current State: 23:[15, 6, 18], Operations: ['48-30=18'] Exploring Operation: 15+18=33, Resulting Numbers: [6, 33] Generated Node #0,0,0: 23:[6, 33] Operation: 15+18=33 Exploring Operation: 18-6=12, Resulting Numbers: [15, 12] Generated Node #0,0,1: 23:[15, 12] Operation: 18-6=12 Exploring Operation: 15+6=21, Resulting Numbers: [18, 21] Generated Node #0,0,2: 23:[18, 21] Operation: 15+6=21 Exploring Operation: 15-6=9, Resulting Numbers: [18, 9] Generated Node #0,0,3: 23:[18, 9] Operation: 15-6=9 Exploring Operation: 6+18=24, Resulting Numbers: [15, 24] Generated Node #0,0,4: 23:[15, 24] Operation: 6+18=24 Moving to Node #0,1 Current State: 23:[30, 15, 8], Operations: ['48/6=8'] Exploring Operation: 30-8=22, Resulting Numbers: [15, 22] Generated Node #0,1,0: 23:[15, 22] Operation: 30-8=22 Exploring Operation: 30+8=38, Resulting Numbers: [15, 38] Generated Node #0,1,1: 23:[15, 38] Operation: 30+8=38 Exploring Operation: 15-8=7, Resulting Numbers: [30, 7] Generated Node #0,1,2: 23:[30, 7] Operation: 15-8=7 Exploring Operation: 15+8=23, Resulting Numbers: [30, 23] Generated Node #0,1,3: 23:[30, 23] Operation: 15+8=23 Exploring Operation: 30-15=15, Resulting Numbers: [8, 15] Generated Node #0,1,4: 23:[8, 15] Operation: 30-15=15 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 23:[30, 23], Operations: ['48/6=8', '15+8=23'] Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 30+23=53, Resulting Numbers: [53] 53,23 unequal: No Solution Exploring Operation: 30*23=690, Resulting Numbers: [690] 690,23 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 #0,1,0 Current State: 23:[15, 22], Operations: ['48/6=8', '30-8=22'] Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 15+22=37, Resulting Numbers: [37] 37,23 unequal: No Solution Exploring Operation: 15*22=330, Resulting Numbers: [330] 330,23 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:[15, 38], Operations: ['48/6=8', '30+8=38'] Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[30, 48, 15, 6], Operations: [] Exploring Operation: 48/6=8, Resulting Numbers: [30, 15, 8] Generated Node #0,1: 23:[30, 15, 8] Operation: 48/6=8 Moving to Node #0,1 Current State: 23:[30, 15, 8], Operations: ['48/6=8'] Exploring Operation: 30+8=38, Resulting Numbers: [15, 38] Generated Node #0,1,1: 23:[15, 38] Operation: 30+8=38 Moving to Node #0,1,1 Current State: 23:[15, 38], Operations: ['48/6=8', '30+8=38'] Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
sum_heuristic
[ 9, 78, 24, 23 ]
29
[ "78-24=54", "54/9=6", "23+6=29" ]
Current State: 29:[9, 78, 24, 23], Operations: [] Exploring Operation: 78-24=54, Resulting Numbers: [9, 23, 54] Generated Node #2: [9, 23, 54] from Operation: 78-24=54 Current State: 29:[9, 23, 54], Operations: ['78-24=54'] Exploring Operation: 54/9=6, Resulting Numbers: [23, 6] Generated Node #3: [23, 6] from Operation: 54/9=6 Current State: 29:[23, 6], Operations: ['78-24=54', '54/9=6'] Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[9, 78, 24, 23], Operations: [] Exploring Operation: 78-24=54, Resulting Numbers: [9, 23, 54] Generated Node #0,0: 29:[9, 23, 54] Operation: 78-24=54 Exploring Operation: 78-9=69, Resulting Numbers: [24, 23, 69] Generated Node #0,1: 29:[24, 23, 69] Operation: 78-9=69 Exploring Operation: 78-23=55, Resulting Numbers: [9, 24, 55] Generated Node #0,2: 29:[9, 24, 55] Operation: 78-23=55 Moving to Node #0,0 Current State: 29:[9, 23, 54], Operations: ['78-24=54'] Exploring Operation: 9+23=32, Resulting Numbers: [54, 32] Generated Node #0,0,0: 29:[54, 32] Operation: 9+23=32 Exploring Operation: 54-23=31, Resulting Numbers: [9, 31] Generated Node #0,0,1: 29:[9, 31] Operation: 54-23=31 Exploring Operation: 54-9=45, Resulting Numbers: [23, 45] Generated Node #0,0,2: 29:[23, 45] Operation: 54-9=45 Moving to Node #0,1 Current State: 29:[24, 23, 69], Operations: ['78-9=69'] Exploring Operation: 69-23=46, Resulting Numbers: [24, 46] Generated Node #0,1,0: 29:[24, 46] Operation: 69-23=46 Exploring Operation: 69-24=45, Resulting Numbers: [23, 45] Generated Node #0,1,1: 29:[23, 45] Operation: 69-24=45 Exploring Operation: 69/23=3, Resulting Numbers: [24, 3] Generated Node #0,1,2: 29:[24, 3] Operation: 69/23=3 Moving to Node #0,2 Current State: 29:[9, 24, 55], Operations: ['78-23=55'] Exploring Operation: 55-9=46, Resulting Numbers: [24, 46] Generated Node #0,2,0: 29:[24, 46] Operation: 55-9=46 Exploring Operation: 9+24=33, Resulting Numbers: [55, 33] Generated Node #0,2,1: 29:[55, 33] Operation: 9+24=33 Exploring Operation: 55-24=31, Resulting Numbers: [9, 31] Generated Node #0,2,2: 29:[9, 31] Operation: 55-24=31 Moving to Node #0,0,1 Current State: 29:[9, 31], Operations: ['78-24=54', '54-23=31'] Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,29 unequal: No Solution Exploring Operation: 9*31=279, Resulting Numbers: [279] 279,29 unequal: No Solution Exploring Operation: 9+31=40, Resulting Numbers: [40] 40,29 unequal: No Solution Moving to Node #0,2,0 Current State: 29:[24, 46], Operations: ['78-23=55', '55-9=46'] Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,29 unequal: No Solution Exploring Operation: 24*46=1104, Resulting Numbers: [1104] 1104,29 unequal: No Solution Exploring Operation: 24+46=70, Resulting Numbers: [70] 70,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[23, 45], Operations: ['78-24=54', '54-9=45'] Exploring Operation: 23+45=68, Resulting Numbers: [68] 68,29 unequal: No Solution Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,29 unequal: No Solution Exploring Operation: 23*45=1035, Resulting Numbers: [1035] 1035,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[23, 45], Operations: ['78-9=69', '69-24=45'] Exploring Operation: 23*45=1035, Resulting Numbers: [1035] 1035,29 unequal: No Solution Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,29 unequal: No Solution Exploring Operation: 23+45=68, Resulting Numbers: [68] 68,29 unequal: No Solution Moving to Node #0,2,2 Current State: 29:[9, 31], Operations: ['78-23=55', '55-24=31'] Exploring Operation: 9*31=279, Resulting Numbers: [279] 279,29 unequal: No Solution Exploring Operation: 9+31=40, Resulting Numbers: [40] 40,29 unequal: No Solution Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[24, 46], Operations: ['78-9=69', '69-23=46'] Exploring Operation: 24*46=1104, Resulting Numbers: [1104] 1104,29 unequal: No Solution Exploring Operation: 24+46=70, Resulting Numbers: [70] 70,29 unequal: No Solution Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,29 unequal: No Solution Moving to Node #0,0,0 Current State: 29:[54, 32], Operations: ['78-24=54', '9+23=32'] Exploring Operation: 54*32=1728, Resulting Numbers: [1728] 1728,29 unequal: No Solution Exploring Operation: 54-32=22, Resulting Numbers: [22] 22,29 unequal: No Solution Exploring Operation: 54+32=86, Resulting Numbers: [86] 86,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[55, 33], Operations: ['78-23=55', '9+24=33'] Exploring Operation: 55*33=1815, Resulting Numbers: [1815] 1815,29 unequal: No Solution Exploring Operation: 55+33=88, Resulting Numbers: [88] 88,29 unequal: No Solution Exploring Operation: 55-33=22, Resulting Numbers: [22] 22,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[24, 3], Operations: ['78-9=69', '69/23=3'] Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,29 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,29 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,29 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 87, 3, 15, 20 ]
14
[ "87+3=90", "90/15=6", "20-6=14" ]
Current State: 14:[87, 3, 15, 20], Operations: [] Exploring Operation: 87+3=90, Resulting Numbers: [15, 20, 90] Generated Node #2: [15, 20, 90] from Operation: 87+3=90 Current State: 14:[15, 20, 90], Operations: ['87+3=90'] Exploring Operation: 90/15=6, Resulting Numbers: [20, 6] Generated Node #3: [20, 6] from Operation: 90/15=6 Current State: 14:[20, 6], Operations: ['87+3=90', '90/15=6'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[87, 3, 15, 20], Operations: [] Exploring Operation: 87/3=29, Resulting Numbers: [15, 20, 29] Generated Node #0,0: 14:[15, 20, 29] Operation: 87/3=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[15, 20, 29], Operations: ['87/3=29'] Exploring Operation: 29-20=9, Resulting Numbers: [15, 9] Generated Node #0,0,0: 14:[15, 9] Operation: 29-20=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 14:[15, 9], Operations: ['87/3=29', '29-20=9'] Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 72, 32, 93, 69 ]
96
[ "72*32=2304", "93-69=24", "2304/24=96" ]
Current State: 96:[72, 32, 93, 69], Operations: [] Exploring Operation: 72*32=2304, Resulting Numbers: [93, 69, 2304] Generated Node #2: [93, 69, 2304] from Operation: 72*32=2304 Current State: 96:[93, 69, 2304], Operations: ['72*32=2304'] Exploring Operation: 93-69=24, Resulting Numbers: [2304, 24] Generated Node #3: [2304, 24] from Operation: 93-69=24 Current State: 96:[2304, 24], Operations: ['72*32=2304', '93-69=24'] Exploring Operation: 2304/24=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[72, 32, 93, 69], Operations: [] Exploring Operation: 93-72=21, Resulting Numbers: [32, 69, 21] Generated Node #0,0: 96:[32, 69, 21] Operation: 93-72=21 Exploring Operation: 93-69=24, Resulting Numbers: [72, 32, 24] Generated Node #0,1: 96:[72, 32, 24] Operation: 93-69=24 Exploring Operation: 72-69=3, Resulting Numbers: [32, 93, 3] Generated Node #0,2: 96:[32, 93, 3] Operation: 72-69=3 Moving to Node #0,2 Current State: 96:[32, 93, 3], Operations: ['72-69=3'] Exploring Operation: 32*3=96, Resulting Numbers: [93, 96] Generated Node #0,2,0: 96:[93, 96] Operation: 32*3=96 Exploring Operation: 93/3=31, Resulting Numbers: [32, 31] Generated Node #0,2,1: 96:[32, 31] Operation: 93/3=31 Exploring Operation: 93+3=96, Resulting Numbers: [32, 96] Generated Node #0,2,2: 96:[32, 96] Operation: 93+3=96 Moving to Node #0,0 Current State: 96:[32, 69, 21], Operations: ['93-72=21'] Exploring Operation: 69+21=90, Resulting Numbers: [32, 90] Generated Node #0,0,0: 96:[32, 90] Operation: 69+21=90 Exploring Operation: 32+69=101, Resulting Numbers: [21, 101] Generated Node #0,0,1: 96:[21, 101] Operation: 32+69=101 Exploring Operation: 69-21=48, Resulting Numbers: [32, 48] Generated Node #0,0,2: 96:[32, 48] Operation: 69-21=48 Moving to Node #0,1 Current State: 96:[72, 32, 24], Operations: ['93-69=24'] Exploring Operation: 72-24=48, Resulting Numbers: [32, 48] Generated Node #0,1,0: 96:[32, 48] Operation: 72-24=48 Exploring Operation: 72/24=3, Resulting Numbers: [32, 3] Generated Node #0,1,1: 96:[32, 3] Operation: 72/24=3 Exploring Operation: 72+24=96, Resulting Numbers: [32, 96] Generated Node #0,1,2: 96:[32, 96] Operation: 72+24=96 Moving to Node #0,2,2 Current State: 96:[32, 96], Operations: ['72-69=3', '93+3=96'] Exploring Operation: 96-32=64, Resulting Numbers: [64] 64,96 unequal: No Solution Exploring Operation: 96/32=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 32+96=128, Resulting Numbers: [128] 128,96 unequal: No Solution Moving to Node #0,1,0 Current State: 96:[32, 48], Operations: ['93-69=24', '72-24=48'] Exploring Operation: 32+48=80, Resulting Numbers: [80] 80,96 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 32*48=1536, Resulting Numbers: [1536] 1536,96 unequal: No Solution Moving to Node #0,1,2 Current State: 96:[32, 96], Operations: ['93-69=24', '72+24=96'] Exploring Operation: 96-32=64, Resulting Numbers: [64] 64,96 unequal: No Solution Exploring Operation: 32+96=128, Resulting Numbers: [128] 128,96 unequal: No Solution Exploring Operation: 96/32=3, Resulting Numbers: [3] 3,96 unequal: No Solution Moving to Node #0,0,2 Current State: 96:[32, 48], Operations: ['93-72=21', '69-21=48'] Exploring Operation: 32+48=80, Resulting Numbers: [80] 80,96 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 32*48=1536, Resulting Numbers: [1536] 1536,96 unequal: No Solution Moving to Node #0,1,1 Current State: 96:[32, 3], Operations: ['93-69=24', '72/24=3'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,96 unequal: No Solution Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,96 unequal: No Solution Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[72, 32, 93, 69], Operations: [] Exploring Operation: 93-69=24, Resulting Numbers: [72, 32, 24] Generated Node #0,1: 96:[72, 32, 24] Operation: 93-69=24 Moving to Node #0,1 Current State: 96:[72, 32, 24], Operations: ['93-69=24'] Exploring Operation: 72/24=3, Resulting Numbers: [32, 3] Generated Node #0,1,1: 96:[32, 3] Operation: 72/24=3 Moving to Node #0,1,1 Current State: 96:[32, 3], Operations: ['93-69=24', '72/24=3'] Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
0.97309
hs_3
sum_heuristic
[ 9, 22, 81, 99 ]
79
[ "9*22=198", "198/99=2", "81-2=79" ]
Current State: 79:[9, 22, 81, 99], Operations: [] Exploring Operation: 9*22=198, Resulting Numbers: [81, 99, 198] Generated Node #2: [81, 99, 198] from Operation: 9*22=198 Current State: 79:[81, 99, 198], Operations: ['9*22=198'] Exploring Operation: 198/99=2, Resulting Numbers: [81, 2] Generated Node #3: [81, 2] from Operation: 198/99=2 Current State: 79:[81, 2], Operations: ['9*22=198', '198/99=2'] Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[9, 22, 81, 99], Operations: [] Exploring Operation: 9+22=31, Resulting Numbers: [81, 99, 31] Generated Node #0,0: 79:[81, 99, 31] Operation: 9+22=31 Exploring Operation: 99-9=90, Resulting Numbers: [22, 81, 90] Generated Node #0,1: 79:[22, 81, 90] Operation: 99-9=90 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[81, 99, 31], Operations: ['9+22=31'] Exploring Operation: 99-31=68, Resulting Numbers: [81, 68] Generated Node #0,0,0: 79:[81, 68] Operation: 99-31=68 Exploring Operation: 81-31=50, Resulting Numbers: [99, 50] Generated Node #0,0,1: 79:[99, 50] Operation: 81-31=50 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[81, 68], Operations: ['9+22=31', '99-31=68'] Exploring Operation: 81+68=149, Resulting Numbers: [149] 149,79 unequal: No Solution Exploring Operation: 81-68=13, Resulting Numbers: [13] 13,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 79:[99, 50], Operations: ['9+22=31', '81-31=50'] Exploring Operation: 99+50=149, Resulting Numbers: [149] 149,79 unequal: No Solution Exploring Operation: 99-50=49, Resulting Numbers: [49] 49,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[22, 81, 90], Operations: ['99-9=90'] Exploring Operation: 90-22=68, Resulting Numbers: [81, 68] Generated Node #0,1,0: 79:[81, 68] Operation: 90-22=68 Exploring Operation: 81-22=59, Resulting Numbers: [90, 59] Generated Node #0,1,1: 79:[90, 59] Operation: 81-22=59 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 79:[81, 68], Operations: ['99-9=90', '90-22=68'] Exploring Operation: 81+68=149, Resulting Numbers: [149] 149,79 unequal: No Solution Exploring Operation: 81-68=13, Resulting Numbers: [13] 13,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 79:[90, 59], Operations: ['99-9=90', '81-22=59'] Exploring Operation: 90-59=31, Resulting Numbers: [31] 31,79 unequal: No Solution Exploring Operation: 90+59=149, Resulting Numbers: [149] 149,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 88, 22, 11, 38 ]
48
[ "88+22=110", "110/11=10", "38+10=48" ]
Current State: 48:[88, 22, 11, 38], Operations: [] Exploring Operation: 88+22=110, Resulting Numbers: [11, 38, 110] Generated Node #2: [11, 38, 110] from Operation: 88+22=110 Current State: 48:[11, 38, 110], Operations: ['88+22=110'] Exploring Operation: 110/11=10, Resulting Numbers: [38, 10] Generated Node #3: [38, 10] from Operation: 110/11=10 Current State: 48:[38, 10], Operations: ['88+22=110', '110/11=10'] Exploring Operation: 38+10=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[88, 22, 11, 38], Operations: [] Exploring Operation: 88-22=66, Resulting Numbers: [11, 38, 66] Generated Node #0,0: 48:[11, 38, 66] Operation: 88-22=66 Exploring Operation: 88-11=77, Resulting Numbers: [22, 38, 77] Generated Node #0,1: 48:[22, 38, 77] Operation: 88-11=77 Exploring Operation: 88/22=4, Resulting Numbers: [11, 38, 4] Generated Node #0,2: 48:[11, 38, 4] Operation: 88/22=4 Exploring Operation: 88-38=50, Resulting Numbers: [22, 11, 50] Generated Node #0,3: 48:[22, 11, 50] Operation: 88-38=50 Exploring Operation: 88/11=8, Resulting Numbers: [22, 38, 8] Generated Node #0,4: 48:[22, 38, 8] Operation: 88/11=8 Moving to Node #0,3 Current State: 48:[22, 11, 50], Operations: ['88-38=50'] Exploring Operation: 50-22=28, Resulting Numbers: [11, 28] Generated Node #0,3,0: 48:[11, 28] Operation: 50-22=28 Exploring Operation: 22/11=2, Resulting Numbers: [50, 2] Generated Node #0,3,1: 48:[50, 2] Operation: 22/11=2 Exploring Operation: 22-11=11, Resulting Numbers: [50, 11] Generated Node #0,3,2: 48:[50, 11] Operation: 22-11=11 Exploring Operation: 22+11=33, Resulting Numbers: [50, 33] Generated Node #0,3,3: 48:[50, 33] Operation: 22+11=33 Exploring Operation: 50-11=39, Resulting Numbers: [22, 39] Generated Node #0,3,4: 48:[22, 39] Operation: 50-11=39 Moving to Node #0,2 Current State: 48:[11, 38, 4], Operations: ['88/22=4'] Exploring Operation: 38-11=27, Resulting Numbers: [4, 27] Generated Node #0,2,0: 48:[4, 27] Operation: 38-11=27 Exploring Operation: 11+4=15, Resulting Numbers: [38, 15] Generated Node #0,2,1: 48:[38, 15] Operation: 11+4=15 Exploring Operation: 38+4=42, Resulting Numbers: [11, 42] Generated Node #0,2,2: 48:[11, 42] Operation: 38+4=42 Exploring Operation: 11-4=7, Resulting Numbers: [38, 7] Generated Node #0,2,3: 48:[38, 7] Operation: 11-4=7 Exploring Operation: 11+38=49, Resulting Numbers: [4, 49] Generated Node #0,2,4: 48:[4, 49] Operation: 11+38=49 Moving to Node #0,4 Current State: 48:[22, 38, 8], Operations: ['88/11=8'] Exploring Operation: 38-22=16, Resulting Numbers: [8, 16] Generated Node #0,4,0: 48:[8, 16] Operation: 38-22=16 Exploring Operation: 38+8=46, Resulting Numbers: [22, 46] Generated Node #0,4,1: 48:[22, 46] Operation: 38+8=46 Exploring Operation: 22+38=60, Resulting Numbers: [8, 60] Generated Node #0,4,2: 48:[8, 60] Operation: 22+38=60 Exploring Operation: 22-8=14, Resulting Numbers: [38, 14] Generated Node #0,4,3: 48:[38, 14] Operation: 22-8=14 Exploring Operation: 38-8=30, Resulting Numbers: [22, 30] Generated Node #0,4,4: 48:[22, 30] Operation: 38-8=30 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 48:[8, 16], Operations: ['88/11=8', '38-22=16'] Exploring Operation: 8*16=128, Resulting Numbers: [128] 128,48 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 8+16=24, Resulting Numbers: [24] 24,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 48:[22, 46], Operations: ['88/11=8', '38+8=46'] Exploring Operation: 22+46=68, Resulting Numbers: [68] 68,48 unequal: No Solution Exploring Operation: 22*46=1012, Resulting Numbers: [1012] 1012,48 unequal: No Solution Exploring Operation: 46-22=24, Resulting Numbers: [24] 24,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 48:[22, 30], Operations: ['88/11=8', '38-8=30'] Exploring Operation: 30-22=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 22*30=660, Resulting Numbers: [660] 660,48 unequal: No Solution Exploring Operation: 22+30=52, Resulting Numbers: [52] 52,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 48:[8, 60], Operations: ['88/11=8', '22+38=60'] Exploring Operation: 8+60=68, Resulting Numbers: [68] 68,48 unequal: No Solution Exploring Operation: 8*60=480, Resulting Numbers: [480] 480,48 unequal: No Solution Exploring Operation: 60-8=52, Resulting Numbers: [52] 52,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 48:[38, 14], Operations: ['88/11=8', '22-8=14'] Exploring Operation: 38-14=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 38+14=52, Resulting Numbers: [52] 52,48 unequal: No Solution Exploring Operation: 38*14=532, Resulting Numbers: [532] 532,48 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: 48:[11, 38, 66], Operations: ['88-22=66'] Exploring Operation: 66-38=28, Resulting Numbers: [11, 28] Generated Node #0,0,0: 48:[11, 28] Operation: 66-38=28 Exploring Operation: 38-11=27, Resulting Numbers: [66, 27] Generated Node #0,0,1: 48:[66, 27] Operation: 38-11=27 Exploring Operation: 66/11=6, Resulting Numbers: [38, 6] Generated Node #0,0,2: 48:[38, 6] Operation: 66/11=6 Exploring Operation: 66-11=55, Resulting Numbers: [38, 55] Generated Node #0,0,3: 48:[38, 55] Operation: 66-11=55 Exploring Operation: 11+38=49, Resulting Numbers: [66, 49] Generated Node #0,0,4: 48:[66, 49] Operation: 11+38=49 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[11, 28], Operations: ['88-22=66', '66-38=28'] Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,48 unequal: No Solution Exploring Operation: 11*28=308, Resulting Numbers: [308] 308,48 unequal: No Solution Exploring Operation: 11+28=39, Resulting Numbers: [39] 39,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 48:[38, 6], Operations: ['88-22=66', '66/11=6'] Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,48 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,48 unequal: No Solution Exploring Operation: 38*6=228, Resulting Numbers: [228] 228,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 48:[38, 55], Operations: ['88-22=66', '66-11=55'] Exploring Operation: 55-38=17, Resulting Numbers: [17] 17,48 unequal: No Solution Exploring Operation: 38+55=93, Resulting Numbers: [93] 93,48 unequal: No Solution Exploring Operation: 38*55=2090, Resulting Numbers: [2090] 2090,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 48:[66, 49], Operations: ['88-22=66', '11+38=49'] Exploring Operation: 66-49=17, Resulting Numbers: [17] 17,48 unequal: No Solution Exploring Operation: 66*49=3234, Resulting Numbers: [3234] 3234,48 unequal: No Solution Exploring Operation: 66+49=115, Resulting Numbers: [115] 115,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 48:[66, 27], Operations: ['88-22=66', '38-11=27'] Exploring Operation: 66-27=39, Resulting Numbers: [39] 39,48 unequal: No Solution Exploring Operation: 66*27=1782, Resulting Numbers: [1782] 1782,48 unequal: No Solution Exploring Operation: 66+27=93, Resulting Numbers: [93] 93,48 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: 48:[22, 38, 77], Operations: ['88-11=77'] Exploring Operation: 38-22=16, Resulting Numbers: [77, 16] Generated Node #0,1,0: 48:[77, 16] Operation: 38-22=16 Exploring Operation: 77-22=55, Resulting Numbers: [38, 55] Generated Node #0,1,1: 48:[38, 55] Operation: 77-22=55 Exploring Operation: 22+38=60, Resulting Numbers: [77, 60] Generated Node #0,1,2: 48:[77, 60] Operation: 22+38=60 Exploring Operation: 77-38=39, Resulting Numbers: [22, 39] Generated Node #0,1,3: 48:[22, 39] Operation: 77-38=39 Exploring Operation: 22+77=99, Resulting Numbers: [38, 99] Generated Node #0,1,4: 48:[38, 99] Operation: 22+77=99 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 48:[22, 39], Operations: ['88-11=77', '77-38=39'] Exploring Operation: 22*39=858, Resulting Numbers: [858] 858,48 unequal: No Solution Exploring Operation: 22+39=61, Resulting Numbers: [61] 61,48 unequal: No Solution Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[38, 55], Operations: ['88-11=77', '77-22=55'] Exploring Operation: 38*55=2090, Resulting Numbers: [2090] 2090,48 unequal: No Solution Exploring Operation: 55-38=17, Resulting Numbers: [17] 17,48 unequal: No Solution Exploring Operation: 38+55=93, Resulting Numbers: [93] 93,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[77, 16], Operations: ['88-11=77', '38-22=16'] Exploring Operation: 77-16=61, Resulting Numbers: [61] 61,48 unequal: No Solution Exploring Operation: 77+16=93, Resulting Numbers: [93] 93,48 unequal: No Solution Exploring Operation: 77*16=1232, Resulting Numbers: [1232] 1232,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 48:[77, 60], Operations: ['88-11=77', '22+38=60'] Exploring Operation: 77*60=4620, Resulting Numbers: [4620] 4620,48 unequal: No Solution Exploring Operation: 77+60=137, Resulting Numbers: [137] 137,48 unequal: No Solution Exploring Operation: 77-60=17, Resulting Numbers: [17] 17,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 48:[38, 99], Operations: ['88-11=77', '22+77=99'] Exploring Operation: 38+99=137, Resulting Numbers: [137] 137,48 unequal: No Solution Exploring Operation: 99-38=61, Resulting Numbers: [61] 61,48 unequal: No Solution Exploring Operation: 38*99=3762, Resulting Numbers: [3762] 3762,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,4 Current State: 48:[4, 49], Operations: ['88/22=4', '11+38=49'] Exploring Operation: 4+49=53, Resulting Numbers: [53] 53,48 unequal: No Solution Exploring Operation: 49-4=45, Resulting Numbers: [45] 45,48 unequal: No Solution Exploring Operation: 4*49=196, Resulting Numbers: [196] 196,48 unequal: No Solution Moving to Node #0,3,1 Current State: 48:[50, 2], Operations: ['88-38=50', '22/11=2'] Exploring Operation: 50*2=100, Resulting Numbers: [100] 100,48 unequal: No Solution Exploring Operation: 50+2=52, Resulting Numbers: [52] 52,48 unequal: No Solution Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,48 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[88, 22, 11, 38], Operations: [] Exploring Operation: 88-38=50, Resulting Numbers: [22, 11, 50] Generated Node #0,3: 48:[22, 11, 50] Operation: 88-38=50 Moving to Node #0,3 Current State: 48:[22, 11, 50], Operations: ['88-38=50'] Exploring Operation: 22/11=2, Resulting Numbers: [50, 2] Generated Node #0,3,1: 48:[50, 2] Operation: 22/11=2 Moving to Node #0,3,1 Current State: 48:[50, 2], Operations: ['88-38=50', '22/11=2'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
0.924479
hs_5
sum_heuristic
[ 11, 69, 76, 15 ]
28
[ "15-11=4", "76-69=7", "4*7=28" ]
Current State: 28:[11, 69, 76, 15], Operations: [] Exploring Operation: 15-11=4, Resulting Numbers: [69, 76, 4] Generated Node #2: [69, 76, 4] from Operation: 15-11=4 Current State: 28:[69, 76, 4], Operations: ['15-11=4'] Exploring Operation: 76-69=7, Resulting Numbers: [4, 7] Generated Node #3: [4, 7] from Operation: 76-69=7 Current State: 28:[4, 7], Operations: ['15-11=4', '76-69=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[11, 69, 76, 15], Operations: [] Exploring Operation: 76-69=7, Resulting Numbers: [11, 15, 7] Generated Node #0,0: 28:[11, 15, 7] Operation: 76-69=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[11, 15, 7], Operations: ['76-69=7'] Exploring Operation: 15-11=4, Resulting Numbers: [7, 4] Generated Node #0,0,0: 28:[7, 4] Operation: 15-11=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[7, 4], Operations: ['76-69=7', '15-11=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[11, 69, 76, 15], Operations: [] Exploring Operation: 76-69=7, Resulting Numbers: [11, 15, 7] Generated Node #0,0: 28:[11, 15, 7] Operation: 76-69=7 Moving to Node #0,0 Current State: 28:[11, 15, 7], Operations: ['76-69=7'] Exploring Operation: 15-11=4, Resulting Numbers: [7, 4] Generated Node #0,0,0: 28:[7, 4] Operation: 15-11=4 Moving to Node #0,0,0 Current State: 28:[7, 4], Operations: ['76-69=7', '15-11=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 76, 52, 29, 65 ]
70
[ "76-52=24", "29+65=94", "94-24=70" ]
Current State: 70:[76, 52, 29, 65], Operations: [] Exploring Operation: 76-52=24, Resulting Numbers: [29, 65, 24] Generated Node #2: [29, 65, 24] from Operation: 76-52=24 Current State: 70:[29, 65, 24], Operations: ['76-52=24'] Exploring Operation: 29+65=94, Resulting Numbers: [24, 94] Generated Node #3: [24, 94] from Operation: 29+65=94 Current State: 70:[24, 94], Operations: ['76-52=24', '29+65=94'] Exploring Operation: 94-24=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[76, 52, 29, 65], Operations: [] Exploring Operation: 52+29=81, Resulting Numbers: [76, 65, 81] Generated Node #0,0: 70:[76, 65, 81] Operation: 52+29=81 Exploring Operation: 76-65=11, Resulting Numbers: [52, 29, 11] Generated Node #0,1: 70:[52, 29, 11] Operation: 76-65=11 Exploring Operation: 65-52=13, Resulting Numbers: [76, 29, 13] Generated Node #0,2: 70:[76, 29, 13] Operation: 65-52=13 Exploring Operation: 76-52=24, Resulting Numbers: [29, 65, 24] Generated Node #0,3: 70:[29, 65, 24] Operation: 76-52=24 Exploring Operation: 52-29=23, Resulting Numbers: [76, 65, 23] Generated Node #0,4: 70:[76, 65, 23] Operation: 52-29=23 Moving to Node #0,2 Current State: 70:[76, 29, 13], Operations: ['65-52=13'] Exploring Operation: 29-13=16, Resulting Numbers: [76, 16] Generated Node #0,2,0: 70:[76, 16] Operation: 29-13=16 Exploring Operation: 76-13=63, Resulting Numbers: [29, 63] Generated Node #0,2,1: 70:[29, 63] Operation: 76-13=63 Exploring Operation: 76-29=47, Resulting Numbers: [13, 47] Generated Node #0,2,2: 70:[13, 47] Operation: 76-29=47 Exploring Operation: 29+13=42, Resulting Numbers: [76, 42] Generated Node #0,2,3: 70:[76, 42] Operation: 29+13=42 Exploring Operation: 76+13=89, Resulting Numbers: [29, 89] Generated Node #0,2,4: 70:[29, 89] Operation: 76+13=89 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 70:[76, 16], Operations: ['65-52=13', '29-13=16'] Exploring Operation: 76+16=92, Resulting Numbers: [92] 92,70 unequal: No Solution Exploring Operation: 76-16=60, Resulting Numbers: [60] 60,70 unequal: No Solution Exploring Operation: 76*16=1216, Resulting Numbers: [1216] 1216,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 70:[29, 63], Operations: ['65-52=13', '76-13=63'] Exploring Operation: 29*63=1827, Resulting Numbers: [1827] 1827,70 unequal: No Solution Exploring Operation: 29+63=92, Resulting Numbers: [92] 92,70 unequal: No Solution Exploring Operation: 63-29=34, Resulting Numbers: [34] 34,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 70:[13, 47], Operations: ['65-52=13', '76-29=47'] Exploring Operation: 13*47=611, Resulting Numbers: [611] 611,70 unequal: No Solution Exploring Operation: 13+47=60, Resulting Numbers: [60] 60,70 unequal: No Solution Exploring Operation: 47-13=34, Resulting Numbers: [34] 34,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 70:[76, 42], Operations: ['65-52=13', '29+13=42'] Exploring Operation: 76-42=34, Resulting Numbers: [34] 34,70 unequal: No Solution Exploring Operation: 76+42=118, Resulting Numbers: [118] 118,70 unequal: No Solution Exploring Operation: 76*42=3192, Resulting Numbers: [3192] 3192,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 70:[29, 89], Operations: ['65-52=13', '76+13=89'] Exploring Operation: 89-29=60, Resulting Numbers: [60] 60,70 unequal: No Solution Exploring Operation: 29+89=118, Resulting Numbers: [118] 118,70 unequal: No Solution Exploring Operation: 29*89=2581, Resulting Numbers: [2581] 2581,70 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: 70:[76, 65, 23], Operations: ['52-29=23'] Exploring Operation: 65+23=88, Resulting Numbers: [76, 88] Generated Node #0,4,0: 70:[76, 88] Operation: 65+23=88 Exploring Operation: 65-23=42, Resulting Numbers: [76, 42] Generated Node #0,4,1: 70:[76, 42] Operation: 65-23=42 Exploring Operation: 76+23=99, Resulting Numbers: [65, 99] Generated Node #0,4,2: 70:[65, 99] Operation: 76+23=99 Exploring Operation: 76-23=53, Resulting Numbers: [65, 53] Generated Node #0,4,3: 70:[65, 53] Operation: 76-23=53 Exploring Operation: 76-65=11, Resulting Numbers: [23, 11] Generated Node #0,4,4: 70:[23, 11] Operation: 76-65=11 Moving to Node #0,3 Current State: 70:[29, 65, 24], Operations: ['76-52=24'] Exploring Operation: 29-24=5, Resulting Numbers: [65, 5] Generated Node #0,3,0: 70:[65, 5] Operation: 29-24=5 Exploring Operation: 65+24=89, Resulting Numbers: [29, 89] Generated Node #0,3,1: 70:[29, 89] Operation: 65+24=89 Exploring Operation: 65-29=36, Resulting Numbers: [24, 36] Generated Node #0,3,2: 70:[24, 36] Operation: 65-29=36 Exploring Operation: 65-24=41, Resulting Numbers: [29, 41] Generated Node #0,3,3: 70:[29, 41] Operation: 65-24=41 Exploring Operation: 29+24=53, Resulting Numbers: [65, 53] Generated Node #0,3,4: 70:[65, 53] Operation: 29+24=53 Moving to Node #0,0 Current State: 70:[76, 65, 81], Operations: ['52+29=81'] Exploring Operation: 76-65=11, Resulting Numbers: [81, 11] Generated Node #0,0,0: 70:[81, 11] Operation: 76-65=11 Exploring Operation: 76+65=141, Resulting Numbers: [81, 141] Generated Node #0,0,1: 70:[81, 141] Operation: 76+65=141 Exploring Operation: 81-76=5, Resulting Numbers: [65, 5] Generated Node #0,0,2: 70:[65, 5] Operation: 81-76=5 Exploring Operation: 81-65=16, Resulting Numbers: [76, 16] Generated Node #0,0,3: 70:[76, 16] Operation: 81-65=16 Exploring Operation: 65+81=146, Resulting Numbers: [76, 146] Generated Node #0,0,4: 70:[76, 146] Operation: 65+81=146 Moving to Node #0,1 Current State: 70:[52, 29, 11], Operations: ['76-65=11'] Exploring Operation: 29-11=18, Resulting Numbers: [52, 18] Generated Node #0,1,0: 70:[52, 18] Operation: 29-11=18 Exploring Operation: 52-29=23, Resulting Numbers: [11, 23] Generated Node #0,1,1: 70:[11, 23] Operation: 52-29=23 Exploring Operation: 52+29=81, Resulting Numbers: [11, 81] Generated Node #0,1,2: 70:[11, 81] Operation: 52+29=81 Exploring Operation: 52-11=41, Resulting Numbers: [29, 41] Generated Node #0,1,3: 70:[29, 41] Operation: 52-11=41 Exploring Operation: 52+11=63, Resulting Numbers: [29, 63] Generated Node #0,1,4: 70:[29, 63] Operation: 52+11=63 Moving to Node #0,3,0 Current State: 70:[65, 5], Operations: ['76-52=24', '29-24=5'] Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,70 unequal: No Solution Exploring Operation: 65*5=325, Resulting Numbers: [325] 325,70 unequal: No Solution Exploring Operation: 65+5=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[76, 52, 29, 65], Operations: [] Exploring Operation: 76-52=24, Resulting Numbers: [29, 65, 24] Generated Node #0,3: 70:[29, 65, 24] Operation: 76-52=24 Moving to Node #0,3 Current State: 70:[29, 65, 24], Operations: ['76-52=24'] Exploring Operation: 29-24=5, Resulting Numbers: [65, 5] Generated Node #0,3,0: 70:[65, 5] Operation: 29-24=5 Moving to Node #0,3,0 Current State: 70:[65, 5], Operations: ['76-52=24', '29-24=5'] Exploring Operation: 65+5=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
0.954861
hs_5
sum_heuristic
[ 31, 22, 54, 46 ]
47
[ "31+22=53", "54+46=100", "100-53=47" ]
Current State: 47:[31, 22, 54, 46], Operations: [] Exploring Operation: 31+22=53, Resulting Numbers: [54, 46, 53] Generated Node #2: [54, 46, 53] from Operation: 31+22=53 Current State: 47:[54, 46, 53], Operations: ['31+22=53'] Exploring Operation: 54+46=100, Resulting Numbers: [53, 100] Generated Node #3: [53, 100] from Operation: 54+46=100 Current State: 47:[53, 100], Operations: ['31+22=53', '54+46=100'] Exploring Operation: 100-53=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[31, 22, 54, 46], Operations: [] Exploring Operation: 31+22=53, Resulting Numbers: [54, 46, 53] Generated Node #0,0: 47:[54, 46, 53] Operation: 31+22=53 Exploring Operation: 31-22=9, Resulting Numbers: [54, 46, 9] Generated Node #0,1: 47:[54, 46, 9] Operation: 31-22=9 Exploring Operation: 54-22=32, Resulting Numbers: [31, 46, 32] Generated Node #0,2: 47:[31, 46, 32] Operation: 54-22=32 Exploring Operation: 22+46=68, Resulting Numbers: [31, 54, 68] Generated Node #0,3: 47:[31, 54, 68] Operation: 22+46=68 Moving to Node #0,0 Current State: 47:[54, 46, 53], Operations: ['31+22=53'] Exploring Operation: 54-53=1, Resulting Numbers: [46, 1] Generated Node #0,0,0: 47:[46, 1] Operation: 54-53=1 Exploring Operation: 54-46=8, Resulting Numbers: [53, 8] Generated Node #0,0,1: 47:[53, 8] Operation: 54-46=8 Exploring Operation: 54+46=100, Resulting Numbers: [53, 100] Generated Node #0,0,2: 47:[53, 100] Operation: 54+46=100 Exploring Operation: 53-46=7, Resulting Numbers: [54, 7] Generated Node #0,0,3: 47:[54, 7] Operation: 53-46=7 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 47:[53, 8], Operations: ['31+22=53', '54-46=8'] Exploring Operation: 53+8=61, Resulting Numbers: [61] 61,47 unequal: No Solution Exploring Operation: 53*8=424, Resulting Numbers: [424] 424,47 unequal: No Solution Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,47 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 #0,0,0 Current State: 47:[46, 1], Operations: ['31+22=53', '54-53=1'] Exploring Operation: 46-1=45, Resulting Numbers: [45] 45,47 unequal: No Solution Exploring Operation: 46/1=46, Resulting Numbers: [46] 46,47 unequal: No Solution Exploring Operation: 46+1=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[31, 22, 54, 46], Operations: [] Exploring Operation: 31+22=53, Resulting Numbers: [54, 46, 53] Generated Node #0,0: 47:[54, 46, 53] Operation: 31+22=53 Moving to Node #0,0 Current State: 47:[54, 46, 53], Operations: ['31+22=53'] Exploring Operation: 54-53=1, Resulting Numbers: [46, 1] Generated Node #0,0,0: 47:[46, 1] Operation: 54-53=1 Moving to Node #0,0,0 Current State: 47:[46, 1], Operations: ['31+22=53', '54-53=1'] Exploring Operation: 46+1=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic