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
[ 49, 71, 10, 88 ]
100
[ "49+71=120", "120/10=12", "88+12=100" ]
Current State: 100:[49, 71, 10, 88], Operations: [] Exploring Operation: 49+71=120, Resulting Numbers: [10, 88, 120] Generated Node #2: [10, 88, 120] from Operation: 49+71=120 Current State: 100:[10, 88, 120], Operations: ['49+71=120'] Exploring Operation: 120/10=12, Resulting Numbers: [88, 12] Generated Node #3: [88, 12] from Operation: 120/10=12 Current State: 100:[88, 12], Operations: ['49+71=120', '120/10=12'] Exploring Operation: 88+12=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[49, 71, 10, 88], Operations: [] Exploring Operation: 71-49=22, Resulting Numbers: [10, 88, 22] Generated Node #0,0: 100:[10, 88, 22] Operation: 71-49=22 Exploring Operation: 88-71=17, Resulting Numbers: [49, 10, 17] Generated Node #0,1: 100:[49, 10, 17] Operation: 88-71=17 Moving to Node #0,1 Current State: 100:[49, 10, 17], Operations: ['88-71=17'] Exploring Operation: 10+17=27, Resulting Numbers: [49, 27] Generated Node #0,1,0: 100:[49, 27] Operation: 10+17=27 Exploring Operation: 17-10=7, Resulting Numbers: [49, 7] Generated Node #0,1,1: 100:[49, 7] Operation: 17-10=7 Moving to Node #0,0 Current State: 100:[10, 88, 22], Operations: ['71-49=22'] Exploring Operation: 88/22=4, Resulting Numbers: [10, 4] Generated Node #0,0,0: 100:[10, 4] Operation: 88/22=4 Exploring Operation: 10+88=98, Resulting Numbers: [22, 98] Generated Node #0,0,1: 100:[22, 98] Operation: 10+88=98 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 100:[10, 4], Operations: ['71-49=22', '88/22=4'] Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,100 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 100:[22, 98], Operations: ['71-49=22', '10+88=98'] Exploring Operation: 98-22=76, Resulting Numbers: [76] 76,100 unequal: No Solution Exploring Operation: 22+98=120, Resulting Numbers: [120] 120,100 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: 100:[49, 27], Operations: ['88-71=17', '10+17=27'] Exploring Operation: 49+27=76, Resulting Numbers: [76] 76,100 unequal: No Solution Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,100 unequal: No Solution Moving to Node #0,1,1 Current State: 100:[49, 7], Operations: ['88-71=17', '17-10=7'] Exploring Operation: 49/7=7, Resulting Numbers: [7] 7,100 unequal: No Solution Exploring Operation: 49+7=56, Resulting Numbers: [56] 56,100 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 64, 48, 90, 38 ]
73
[ "48-38=10", "90/10=9", "64+9=73" ]
Current State: 73:[64, 48, 90, 38], Operations: [] Exploring Operation: 48-38=10, Resulting Numbers: [64, 90, 10] Generated Node #2: [64, 90, 10] from Operation: 48-38=10 Current State: 73:[64, 90, 10], Operations: ['48-38=10'] Exploring Operation: 90/10=9, Resulting Numbers: [64, 9] Generated Node #3: [64, 9] from Operation: 90/10=9 Current State: 73:[64, 9], Operations: ['48-38=10', '90/10=9'] Exploring Operation: 64+9=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[64, 48, 90, 38], Operations: [] Exploring Operation: 48+38=86, Resulting Numbers: [64, 90, 86] Generated Node #0,0: 73:[64, 90, 86] Operation: 48+38=86 Exploring Operation: 90-38=52, Resulting Numbers: [64, 48, 52] Generated Node #0,1: 73:[64, 48, 52] Operation: 90-38=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[64, 90, 86], Operations: ['48+38=86'] Exploring Operation: 86-64=22, Resulting Numbers: [90, 22] Generated Node #0,0,0: 73:[90, 22] Operation: 86-64=22 Exploring Operation: 90-64=26, Resulting Numbers: [86, 26] Generated Node #0,0,1: 73:[86, 26] Operation: 90-64=26 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 73:[86, 26], Operations: ['48+38=86', '90-64=26'] Exploring Operation: 86+26=112, Resulting Numbers: [112] 112,73 unequal: No Solution Exploring Operation: 86-26=60, Resulting Numbers: [60] 60,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 73:[90, 22], Operations: ['48+38=86', '86-64=22'] Exploring Operation: 90+22=112, Resulting Numbers: [112] 112,73 unequal: No Solution Exploring Operation: 90-22=68, Resulting Numbers: [68] 68,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[64, 48, 52], Operations: ['90-38=52'] Exploring Operation: 64+48=112, Resulting Numbers: [52, 112] Generated Node #0,1,0: 73:[52, 112] Operation: 64+48=112 Exploring Operation: 48+52=100, Resulting Numbers: [64, 100] Generated Node #0,1,1: 73:[64, 100] Operation: 48+52=100 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 73:[64, 100], Operations: ['90-38=52', '48+52=100'] Exploring Operation: 100-64=36, Resulting Numbers: [36] 36,73 unequal: No Solution Exploring Operation: 64+100=164, Resulting Numbers: [164] 164,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 73:[52, 112], Operations: ['90-38=52', '64+48=112'] Exploring Operation: 52+112=164, Resulting Numbers: [164] 164,73 unequal: No Solution Exploring Operation: 112-52=60, Resulting Numbers: [60] 60,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 4, 34, 19, 33 ]
31
[ "4+34=38", "38/19=2", "33-2=31" ]
Current State: 31:[4, 34, 19, 33], Operations: [] Exploring Operation: 4+34=38, Resulting Numbers: [19, 33, 38] Generated Node #2: [19, 33, 38] from Operation: 4+34=38 Current State: 31:[19, 33, 38], Operations: ['4+34=38'] Exploring Operation: 38/19=2, Resulting Numbers: [33, 2] Generated Node #3: [33, 2] from Operation: 38/19=2 Current State: 31:[33, 2], Operations: ['4+34=38', '38/19=2'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[4, 34, 19, 33], Operations: [] Exploring Operation: 4+19=23, Resulting Numbers: [34, 33, 23] Generated Node #0,0: 31:[34, 33, 23] Operation: 4+19=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[34, 33, 23], Operations: ['4+19=23'] Exploring Operation: 34-23=11, Resulting Numbers: [33, 11] Generated Node #0,0,0: 31:[33, 11] Operation: 34-23=11 Moving to Node #0,0,0 Current State: 31:[33, 11], Operations: ['4+19=23', '34-23=11'] Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 35, 88, 83, 55 ]
81
[ "88-35=53", "83-55=28", "53+28=81" ]
Current State: 81:[35, 88, 83, 55], Operations: [] Exploring Operation: 88-35=53, Resulting Numbers: [83, 55, 53] Generated Node #2: [83, 55, 53] from Operation: 88-35=53 Current State: 81:[83, 55, 53], Operations: ['88-35=53'] Exploring Operation: 83-55=28, Resulting Numbers: [53, 28] Generated Node #3: [53, 28] from Operation: 83-55=28 Current State: 81:[53, 28], Operations: ['88-35=53', '83-55=28'] Exploring Operation: 53+28=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[35, 88, 83, 55], Operations: [] Exploring Operation: 55-35=20, Resulting Numbers: [88, 83, 20] Generated Node #0,0: 81:[88, 83, 20] Operation: 55-35=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[88, 83, 20], Operations: ['55-35=20'] Exploring Operation: 88-83=5, Resulting Numbers: [20, 5] Generated Node #0,0,0: 81:[20, 5] Operation: 88-83=5 Moving to Node #0,0,0 Current State: 81:[20, 5], Operations: ['55-35=20', '88-83=5'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,81 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
[ 8, 44, 4, 50 ]
94
[ "44-8=36", "4*36=144", "144-50=94" ]
Current State: 94:[8, 44, 4, 50], Operations: [] Exploring Operation: 44-8=36, Resulting Numbers: [4, 50, 36] Generated Node #2: [4, 50, 36] from Operation: 44-8=36 Current State: 94:[4, 50, 36], Operations: ['44-8=36'] Exploring Operation: 4*36=144, Resulting Numbers: [50, 144] Generated Node #3: [50, 144] from Operation: 4*36=144 Current State: 94:[50, 144], Operations: ['44-8=36', '4*36=144'] Exploring Operation: 144-50=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[8, 44, 4, 50], Operations: [] Exploring Operation: 8-4=4, Resulting Numbers: [44, 50, 4] Generated Node #0,0: 94:[44, 50, 4] Operation: 8-4=4 Exploring Operation: 8/4=2, Resulting Numbers: [44, 50, 2] Generated Node #0,1: 94:[44, 50, 2] Operation: 8/4=2 Moving to Node #0,1 Current State: 94:[44, 50, 2], Operations: ['8/4=2'] Exploring Operation: 44+50=94, Resulting Numbers: [2, 94] Generated Node #0,1,0: 94:[2, 94] Operation: 44+50=94 Exploring Operation: 50-44=6, Resulting Numbers: [2, 6] Generated Node #0,1,1: 94:[2, 6] Operation: 50-44=6 Moving to Node #0,0 Current State: 94:[44, 50, 4], Operations: ['8-4=4'] Exploring Operation: 44+50=94, Resulting Numbers: [4, 94] Generated Node #0,0,0: 94:[4, 94] Operation: 44+50=94 Exploring Operation: 44+4=48, Resulting Numbers: [50, 48] Generated Node #0,0,1: 94:[50, 48] Operation: 44+4=48 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[4, 94], Operations: ['8-4=4', '44+50=94'] Exploring Operation: 94-4=90, Resulting Numbers: [90] 90,94 unequal: No Solution Exploring Operation: 4+94=98, Resulting Numbers: [98] 98,94 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:[50, 48], Operations: ['8-4=4', '44+4=48'] Exploring Operation: 50+48=98, Resulting Numbers: [98] 98,94 unequal: No Solution Exploring Operation: 50-48=2, Resulting Numbers: [2] 2,94 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: 94:[2, 94], Operations: ['8/4=2', '44+50=94'] Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,94 unequal: No Solution Exploring Operation: 2+94=96, Resulting Numbers: [96] 96,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[2, 6], Operations: ['8/4=2', '50-44=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,94 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,94 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 62, 7, 44, 8 ]
50
[ "62+44=106", "7*8=56", "106-56=50" ]
Current State: 50:[62, 7, 44, 8], Operations: [] Exploring Operation: 62+44=106, Resulting Numbers: [7, 8, 106] Generated Node #2: [7, 8, 106] from Operation: 62+44=106 Current State: 50:[7, 8, 106], Operations: ['62+44=106'] Exploring Operation: 7*8=56, Resulting Numbers: [106, 56] Generated Node #3: [106, 56] from Operation: 7*8=56 Current State: 50:[106, 56], Operations: ['62+44=106', '7*8=56'] Exploring Operation: 106-56=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[62, 7, 44, 8], Operations: [] Exploring Operation: 62-44=18, Resulting Numbers: [7, 8, 18] Generated Node #0,0: 50:[7, 8, 18] Operation: 62-44=18 Moving to Node #0,0 Current State: 50:[7, 8, 18], Operations: ['62-44=18'] Exploring Operation: 7+18=25, Resulting Numbers: [8, 25] Generated Node #0,0,0: 50:[8, 25] Operation: 7+18=25 Moving to Node #0,0,0 Current State: 50:[8, 25], Operations: ['62-44=18', '7+18=25'] Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,50 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 74, 65, 12, 37 ]
79
[ "74/37=2", "65+12=77", "2+77=79" ]
Current State: 79:[74, 65, 12, 37], Operations: [] Exploring Operation: 74/37=2, Resulting Numbers: [65, 12, 2] Generated Node #2: [65, 12, 2] from Operation: 74/37=2 Current State: 79:[65, 12, 2], Operations: ['74/37=2'] Exploring Operation: 65+12=77, Resulting Numbers: [2, 77] Generated Node #3: [2, 77] from Operation: 65+12=77 Current State: 79:[2, 77], Operations: ['74/37=2', '65+12=77'] Exploring Operation: 2+77=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[74, 65, 12, 37], Operations: [] Exploring Operation: 74-12=62, Resulting Numbers: [65, 37, 62] Generated Node #0,0: 79:[65, 37, 62] Operation: 74-12=62 Exploring Operation: 74+12=86, Resulting Numbers: [65, 37, 86] Generated Node #0,1: 79:[65, 37, 86] Operation: 74+12=86 Exploring Operation: 12+37=49, Resulting Numbers: [74, 65, 49] Generated Node #0,2: 79:[74, 65, 49] Operation: 12+37=49 Exploring Operation: 65+12=77, Resulting Numbers: [74, 37, 77] Generated Node #0,3: 79:[74, 37, 77] Operation: 65+12=77 Exploring Operation: 65-12=53, Resulting Numbers: [74, 37, 53] Generated Node #0,4: 79:[74, 37, 53] Operation: 65-12=53 Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[74, 65, 49], Operations: ['12+37=49'] Exploring Operation: 74+49=123, Resulting Numbers: [65, 123] Generated Node #0,2,0: 79:[65, 123] Operation: 74+49=123 Exploring Operation: 65-49=16, Resulting Numbers: [74, 16] Generated Node #0,2,1: 79:[74, 16] Operation: 65-49=16 Exploring Operation: 74+65=139, Resulting Numbers: [49, 139] Generated Node #0,2,2: 79:[49, 139] Operation: 74+65=139 Exploring Operation: 65+49=114, Resulting Numbers: [74, 114] Generated Node #0,2,3: 79:[74, 114] Operation: 65+49=114 Exploring Operation: 74-49=25, Resulting Numbers: [65, 25] Generated Node #0,2,4: 79:[65, 25] Operation: 74-49=25 Moving to Node #0,2,3 Current State: 79:[74, 114], Operations: ['12+37=49', '65+49=114'] Exploring Operation: 74+114=188, Resulting Numbers: [188] 188,79 unequal: No Solution Exploring Operation: 114-74=40, Resulting Numbers: [40] 40,79 unequal: No Solution Exploring Operation: 74*114=8436, Resulting Numbers: [8436] 8436,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[65, 123], Operations: ['12+37=49', '74+49=123'] Exploring Operation: 65*123=7995, Resulting Numbers: [7995] 7995,79 unequal: No Solution Exploring Operation: 65+123=188, Resulting Numbers: [188] 188,79 unequal: No Solution Exploring Operation: 123-65=58, Resulting Numbers: [58] 58,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[74, 16], Operations: ['12+37=49', '65-49=16'] Exploring Operation: 74+16=90, Resulting Numbers: [90] 90,79 unequal: No Solution Exploring Operation: 74-16=58, Resulting Numbers: [58] 58,79 unequal: No Solution Exploring Operation: 74*16=1184, Resulting Numbers: [1184] 1184,79 unequal: No Solution Moving to Node #0,2,4 Current State: 79:[65, 25], Operations: ['12+37=49', '74-49=25'] Exploring Operation: 65+25=90, Resulting Numbers: [90] 90,79 unequal: No Solution Exploring Operation: 65-25=40, Resulting Numbers: [40] 40,79 unequal: No Solution Exploring Operation: 65*25=1625, Resulting Numbers: [1625] 1625,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[49, 139], Operations: ['12+37=49', '74+65=139'] Exploring Operation: 139-49=90, Resulting Numbers: [90] 90,79 unequal: No Solution Exploring Operation: 49+139=188, Resulting Numbers: [188] 188,79 unequal: No Solution Exploring Operation: 49*139=6811, Resulting Numbers: [6811] 6811,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 79:[74, 37, 77], Operations: ['65+12=77'] Exploring Operation: 74+37=111, Resulting Numbers: [77, 111] Generated Node #0,3,0: 79:[77, 111] Operation: 74+37=111 Exploring Operation: 37+77=114, Resulting Numbers: [74, 114] Generated Node #0,3,1: 79:[74, 114] Operation: 37+77=114 Exploring Operation: 77-37=40, Resulting Numbers: [74, 40] Generated Node #0,3,2: 79:[74, 40] Operation: 77-37=40 Exploring Operation: 74/37=2, Resulting Numbers: [77, 2] Generated Node #0,3,3: 79:[77, 2] Operation: 74/37=2 Exploring Operation: 74-37=37, Resulting Numbers: [77, 37] Generated Node #0,3,4: 79:[77, 37] Operation: 74-37=37 Moving to Node #0,3,0 Current State: 79:[77, 111], Operations: ['65+12=77', '74+37=111'] Exploring Operation: 111-77=34, Resulting Numbers: [34] 34,79 unequal: No Solution Exploring Operation: 77*111=8547, Resulting Numbers: [8547] 8547,79 unequal: No Solution Exploring Operation: 77+111=188, Resulting Numbers: [188] 188,79 unequal: No Solution Moving to Node #0,3,1 Current State: 79:[74, 114], Operations: ['65+12=77', '37+77=114'] Exploring Operation: 114-74=40, Resulting Numbers: [40] 40,79 unequal: No Solution Exploring Operation: 74+114=188, Resulting Numbers: [188] 188,79 unequal: No Solution Exploring Operation: 74*114=8436, Resulting Numbers: [8436] 8436,79 unequal: No Solution Moving to Node #0,3,2 Current State: 79:[74, 40], Operations: ['65+12=77', '77-37=40'] Exploring Operation: 74+40=114, Resulting Numbers: [114] 114,79 unequal: No Solution Exploring Operation: 74*40=2960, Resulting Numbers: [2960] 2960,79 unequal: No Solution Exploring Operation: 74-40=34, Resulting Numbers: [34] 34,79 unequal: No Solution Moving to Node #0,3,4 Current State: 79:[77, 37], Operations: ['65+12=77', '74-37=37'] Exploring Operation: 77+37=114, Resulting Numbers: [114] 114,79 unequal: No Solution Exploring Operation: 77*37=2849, Resulting Numbers: [2849] 2849,79 unequal: No Solution Exploring Operation: 77-37=40, Resulting Numbers: [40] 40,79 unequal: No Solution Moving to Node #0,3,3 Current State: 79:[77, 2], Operations: ['65+12=77', '74/37=2'] Exploring Operation: 77*2=154, Resulting Numbers: [154] 154,79 unequal: No Solution Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,79 unequal: No Solution Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[74, 65, 12, 37], Operations: [] Exploring Operation: 65+12=77, Resulting Numbers: [74, 37, 77] Generated Node #0,3: 79:[74, 37, 77] Operation: 65+12=77 Moving to Node #0,3 Current State: 79:[74, 37, 77], Operations: ['65+12=77'] Exploring Operation: 74/37=2, Resulting Numbers: [77, 2] Generated Node #0,3,3: 79:[77, 2] Operation: 74/37=2 Moving to Node #0,3,3 Current State: 79:[77, 2], Operations: ['65+12=77', '74/37=2'] Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.957465
hs_5
mult_heuristic
[ 63, 67, 74, 10 ]
80
[ "67-63=4", "74+10=84", "84-4=80" ]
Current State: 80:[63, 67, 74, 10], Operations: [] Exploring Operation: 67-63=4, Resulting Numbers: [74, 10, 4] Generated Node #2: [74, 10, 4] from Operation: 67-63=4 Current State: 80:[74, 10, 4], Operations: ['67-63=4'] Exploring Operation: 74+10=84, Resulting Numbers: [4, 84] Generated Node #3: [4, 84] from Operation: 74+10=84 Current State: 80:[4, 84], Operations: ['67-63=4', '74+10=84'] Exploring Operation: 84-4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[63, 67, 74, 10], Operations: [] Exploring Operation: 74-63=11, Resulting Numbers: [67, 10, 11] Generated Node #0,0: 80:[67, 10, 11] Operation: 74-63=11 Exploring Operation: 74-67=7, Resulting Numbers: [63, 10, 7] Generated Node #0,1: 80:[63, 10, 7] Operation: 74-67=7 Exploring Operation: 67-63=4, Resulting Numbers: [74, 10, 4] Generated Node #0,2: 80:[74, 10, 4] Operation: 67-63=4 Exploring Operation: 63+10=73, Resulting Numbers: [67, 74, 73] Generated Node #0,3: 80:[67, 74, 73] Operation: 63+10=73 Exploring Operation: 67+10=77, Resulting Numbers: [63, 74, 77] Generated Node #0,4: 80:[63, 74, 77] Operation: 67+10=77 Start Sub Search at level 1: Moving to Node #0,2 Current State: 80:[74, 10, 4], Operations: ['67-63=4'] Exploring Operation: 10-4=6, Resulting Numbers: [74, 6] Generated Node #0,2,0: 80:[74, 6] Operation: 10-4=6 Exploring Operation: 74+10=84, Resulting Numbers: [4, 84] Generated Node #0,2,1: 80:[4, 84] Operation: 74+10=84 Exploring Operation: 10*4=40, Resulting Numbers: [74, 40] Generated Node #0,2,2: 80:[74, 40] Operation: 10*4=40 Exploring Operation: 10+4=14, Resulting Numbers: [74, 14] Generated Node #0,2,3: 80:[74, 14] Operation: 10+4=14 Exploring Operation: 74+4=78, Resulting Numbers: [10, 78] Generated Node #0,2,4: 80:[10, 78] Operation: 74+4=78 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 80:[10, 78], Operations: ['67-63=4', '74+4=78'] Exploring Operation: 10+78=88, Resulting Numbers: [88] 88,80 unequal: No Solution Exploring Operation: 78-10=68, Resulting Numbers: [68] 68,80 unequal: No Solution Exploring Operation: 10*78=780, Resulting Numbers: [780] 780,80 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 #0,2,1 Current State: 80:[4, 84], Operations: ['67-63=4', '74+10=84'] Exploring Operation: 4+84=88, Resulting Numbers: [88] 88,80 unequal: No Solution Exploring Operation: 84-4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[63, 67, 74, 10], Operations: [] Exploring Operation: 67-63=4, Resulting Numbers: [74, 10, 4] Generated Node #0,2: 80:[74, 10, 4] Operation: 67-63=4 Moving to Node #0,2 Current State: 80:[74, 10, 4], Operations: ['67-63=4'] Exploring Operation: 74+10=84, Resulting Numbers: [4, 84] Generated Node #0,2,1: 80:[4, 84] Operation: 74+10=84 Moving to Node #0,2,1 Current State: 80:[4, 84], Operations: ['67-63=4', '74+10=84'] Exploring Operation: 84-4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 29, 63, 11, 3 ]
91
[ "63-29=34", "3*34=102", "102-11=91" ]
Current State: 91:[29, 63, 11, 3], Operations: [] Exploring Operation: 63-29=34, Resulting Numbers: [11, 3, 34] Generated Node #2: [11, 3, 34] from Operation: 63-29=34 Current State: 91:[11, 3, 34], Operations: ['63-29=34'] Exploring Operation: 3*34=102, Resulting Numbers: [11, 102] Generated Node #3: [11, 102] from Operation: 3*34=102 Current State: 91:[11, 102], Operations: ['63-29=34', '3*34=102'] Exploring Operation: 102-11=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[29, 63, 11, 3], Operations: [] Exploring Operation: 63/3=21, Resulting Numbers: [29, 11, 21] Generated Node #0,0: 91:[29, 11, 21] Operation: 63/3=21 Exploring Operation: 63-29=34, Resulting Numbers: [11, 3, 34] Generated Node #0,1: 91:[11, 3, 34] Operation: 63-29=34 Exploring Operation: 29+63=92, Resulting Numbers: [11, 3, 92] Generated Node #0,2: 91:[11, 3, 92] Operation: 29+63=92 Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[11, 3, 92], Operations: ['29+63=92'] Exploring Operation: 92-3=89, Resulting Numbers: [11, 89] Generated Node #0,2,0: 91:[11, 89] Operation: 92-3=89 Exploring Operation: 11+3=14, Resulting Numbers: [92, 14] Generated Node #0,2,1: 91:[92, 14] Operation: 11+3=14 Exploring Operation: 11-3=8, Resulting Numbers: [92, 8] Generated Node #0,2,2: 91:[92, 8] Operation: 11-3=8 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 91:[92, 14], Operations: ['29+63=92', '11+3=14'] Exploring Operation: 92+14=106, Resulting Numbers: [106] 106,91 unequal: No Solution Exploring Operation: 92-14=78, Resulting Numbers: [78] 78,91 unequal: No Solution Exploring Operation: 92*14=1288, Resulting Numbers: [1288] 1288,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 91:[92, 8], Operations: ['29+63=92', '11-3=8'] Exploring Operation: 92-8=84, Resulting Numbers: [84] 84,91 unequal: No Solution Exploring Operation: 92+8=100, Resulting Numbers: [100] 100,91 unequal: No Solution Exploring Operation: 92*8=736, Resulting Numbers: [736] 736,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 91:[11, 89], Operations: ['29+63=92', '92-3=89'] Exploring Operation: 11+89=100, Resulting Numbers: [100] 100,91 unequal: No Solution Exploring Operation: 89-11=78, Resulting Numbers: [78] 78,91 unequal: No Solution Exploring Operation: 11*89=979, Resulting Numbers: [979] 979,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[29, 11, 21], Operations: ['63/3=21'] Exploring Operation: 21-11=10, Resulting Numbers: [29, 10] Generated Node #0,0,0: 91:[29, 10] Operation: 21-11=10 Exploring Operation: 29-11=18, Resulting Numbers: [21, 18] Generated Node #0,0,1: 91:[21, 18] Operation: 29-11=18 Exploring Operation: 29-21=8, Resulting Numbers: [11, 8] Generated Node #0,0,2: 91:[11, 8] Operation: 29-21=8 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 91:[11, 8], Operations: ['63/3=21', '29-21=8'] Exploring Operation: 11+8=19, Resulting Numbers: [19] 19,91 unequal: No Solution Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,91 unequal: No Solution Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 91:[21, 18], Operations: ['63/3=21', '29-11=18'] Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,91 unequal: No Solution Exploring Operation: 21*18=378, Resulting Numbers: [378] 378,91 unequal: No Solution Exploring Operation: 21+18=39, Resulting Numbers: [39] 39,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 91:[29, 10], Operations: ['63/3=21', '21-11=10'] Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,91 unequal: No Solution Exploring Operation: 29*10=290, Resulting Numbers: [290] 290,91 unequal: No Solution Exploring Operation: 29+10=39, Resulting Numbers: [39] 39,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[11, 3, 34], Operations: ['63-29=34'] Exploring Operation: 34-3=31, Resulting Numbers: [11, 31] Generated Node #0,1,0: 91:[11, 31] Operation: 34-3=31 Exploring Operation: 3*34=102, Resulting Numbers: [11, 102] Generated Node #0,1,1: 91:[11, 102] Operation: 3*34=102 Exploring Operation: 34-11=23, Resulting Numbers: [3, 23] Generated Node #0,1,2: 91:[3, 23] Operation: 34-11=23 Moving to Node #0,1,1 Current State: 91:[11, 102], Operations: ['63-29=34', '3*34=102'] Exploring Operation: 11*102=1122, Resulting Numbers: [1122] 1122,91 unequal: No Solution Exploring Operation: 102-11=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[29, 63, 11, 3], Operations: [] Exploring Operation: 63-29=34, Resulting Numbers: [11, 3, 34] Generated Node #0,1: 91:[11, 3, 34] Operation: 63-29=34 Moving to Node #0,1 Current State: 91:[11, 3, 34], Operations: ['63-29=34'] Exploring Operation: 3*34=102, Resulting Numbers: [11, 102] Generated Node #0,1,1: 91:[11, 102] Operation: 3*34=102 Moving to Node #0,1,1 Current State: 91:[11, 102], Operations: ['63-29=34', '3*34=102'] Exploring Operation: 102-11=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_3
mult_heuristic
[ 29, 36, 18, 57 ]
87
[ "36+18=54", "57-54=3", "29*3=87" ]
Current State: 87:[29, 36, 18, 57], Operations: [] Exploring Operation: 36+18=54, Resulting Numbers: [29, 57, 54] Generated Node #2: [29, 57, 54] from Operation: 36+18=54 Current State: 87:[29, 57, 54], Operations: ['36+18=54'] Exploring Operation: 57-54=3, Resulting Numbers: [29, 3] Generated Node #3: [29, 3] from Operation: 57-54=3 Current State: 87:[29, 3], Operations: ['36+18=54', '57-54=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[29, 36, 18, 57], Operations: [] Exploring Operation: 57-18=39, Resulting Numbers: [29, 36, 39] Generated Node #0,0: 87:[29, 36, 39] Operation: 57-18=39 Exploring Operation: 29+57=86, Resulting Numbers: [36, 18, 86] Generated Node #0,1: 87:[36, 18, 86] Operation: 29+57=86 Exploring Operation: 36+57=93, Resulting Numbers: [29, 18, 93] Generated Node #0,2: 87:[29, 18, 93] Operation: 36+57=93 Exploring Operation: 57-29=28, Resulting Numbers: [36, 18, 28] Generated Node #0,3: 87:[36, 18, 28] Operation: 57-29=28 Exploring Operation: 57-36=21, Resulting Numbers: [29, 18, 21] Generated Node #0,4: 87:[29, 18, 21] Operation: 57-36=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[29, 36, 39], Operations: ['57-18=39'] Exploring Operation: 36+39=75, Resulting Numbers: [29, 75] Generated Node #0,0,0: 87:[29, 75] Operation: 36+39=75 Exploring Operation: 39-36=3, Resulting Numbers: [29, 3] Generated Node #0,0,1: 87:[29, 3] Operation: 39-36=3 Exploring Operation: 29+39=68, Resulting Numbers: [36, 68] Generated Node #0,0,2: 87:[36, 68] Operation: 29+39=68 Exploring Operation: 36-29=7, Resulting Numbers: [39, 7] Generated Node #0,0,3: 87:[39, 7] Operation: 36-29=7 Exploring Operation: 39-29=10, Resulting Numbers: [36, 10] Generated Node #0,0,4: 87:[36, 10] Operation: 39-29=10 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 87:[29, 3], Operations: ['57-18=39', '39-36=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[29, 36, 18, 57], Operations: [] Exploring Operation: 57-18=39, Resulting Numbers: [29, 36, 39] Generated Node #0,0: 87:[29, 36, 39] Operation: 57-18=39 Moving to Node #0,0 Current State: 87:[29, 36, 39], Operations: ['57-18=39'] Exploring Operation: 39-36=3, Resulting Numbers: [29, 3] Generated Node #0,0,1: 87:[29, 3] Operation: 39-36=3 Moving to Node #0,0,1 Current State: 87:[29, 3], Operations: ['57-18=39', '39-36=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 30, 25, 75, 7 ]
63
[ "30-25=5", "75-7=68", "68-5=63" ]
Current State: 63:[30, 25, 75, 7], Operations: [] Exploring Operation: 30-25=5, Resulting Numbers: [75, 7, 5] Generated Node #2: [75, 7, 5] from Operation: 30-25=5 Current State: 63:[75, 7, 5], Operations: ['30-25=5'] Exploring Operation: 75-7=68, Resulting Numbers: [5, 68] Generated Node #3: [5, 68] from Operation: 75-7=68 Current State: 63:[5, 68], Operations: ['30-25=5', '75-7=68'] Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[30, 25, 75, 7], Operations: [] Exploring Operation: 75/25=3, Resulting Numbers: [30, 7, 3] Generated Node #0,0: 63:[30, 7, 3] Operation: 75/25=3 Exploring Operation: 30-25=5, Resulting Numbers: [75, 7, 5] Generated Node #0,1: 63:[75, 7, 5] Operation: 30-25=5 Exploring Operation: 30+25=55, Resulting Numbers: [75, 7, 55] Generated Node #0,2: 63:[75, 7, 55] Operation: 30+25=55 Exploring Operation: 75-7=68, Resulting Numbers: [30, 25, 68] Generated Node #0,3: 63:[30, 25, 68] Operation: 75-7=68 Exploring Operation: 30-7=23, Resulting Numbers: [25, 75, 23] Generated Node #0,4: 63:[25, 75, 23] Operation: 30-7=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[30, 7, 3], Operations: ['75/25=3'] Exploring Operation: 30/3=10, Resulting Numbers: [7, 10] Generated Node #0,0,0: 63:[7, 10] Operation: 30/3=10 Exploring Operation: 30-3=27, Resulting Numbers: [7, 27] Generated Node #0,0,1: 63:[7, 27] Operation: 30-3=27 Exploring Operation: 30-7=23, Resulting Numbers: [3, 23] Generated Node #0,0,2: 63:[3, 23] Operation: 30-7=23 Exploring Operation: 7+3=10, Resulting Numbers: [30, 10] Generated Node #0,0,3: 63:[30, 10] Operation: 7+3=10 Exploring Operation: 7*3=21, Resulting Numbers: [30, 21] Generated Node #0,0,4: 63:[30, 21] Operation: 7*3=21 Moving to Node #0,0,0 Current State: 63:[7, 10], Operations: ['75/25=3', '30/3=10'] Exploring Operation: 7+10=17, Resulting Numbers: [17] 17,63 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,63 unequal: No Solution Moving to Node #0,0,2 Current State: 63:[3, 23], Operations: ['75/25=3', '30-7=23'] Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,63 unequal: No Solution Moving to Node #0,0,1 Current State: 63:[7, 27], Operations: ['75/25=3', '30-3=27'] Exploring Operation: 7*27=189, Resulting Numbers: [189] 189,63 unequal: No Solution Exploring Operation: 7+27=34, Resulting Numbers: [34] 34,63 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,63 unequal: No Solution Moving to Node #0,0,4 Current State: 63:[30, 21], Operations: ['75/25=3', '7*3=21'] Exploring Operation: 30*21=630, Resulting Numbers: [630] 630,63 unequal: No Solution Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,63 unequal: No Solution Exploring Operation: 30+21=51, Resulting Numbers: [51] 51,63 unequal: No Solution Moving to Node #0,0,3 Current State: 63:[30, 10], Operations: ['75/25=3', '7+3=10'] Exploring Operation: 30+10=40, Resulting Numbers: [40] 40,63 unequal: No Solution Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 30*10=300, Resulting Numbers: [300] 300,63 unequal: No Solution Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[75, 7, 5], Operations: ['30-25=5'] Exploring Operation: 7+5=12, Resulting Numbers: [75, 12] Generated Node #0,1,0: 63:[75, 12] Operation: 7+5=12 Exploring Operation: 7-5=2, Resulting Numbers: [75, 2] Generated Node #0,1,1: 63:[75, 2] Operation: 7-5=2 Exploring Operation: 75/5=15, Resulting Numbers: [7, 15] Generated Node #0,1,2: 63:[7, 15] Operation: 75/5=15 Exploring Operation: 75-5=70, Resulting Numbers: [7, 70] Generated Node #0,1,3: 63:[7, 70] Operation: 75-5=70 Exploring Operation: 75-7=68, Resulting Numbers: [5, 68] Generated Node #0,1,4: 63:[5, 68] Operation: 75-7=68 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 63:[7, 15], Operations: ['30-25=5', '75/5=15'] Exploring Operation: 7*15=105, Resulting Numbers: [105] 105,63 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 63:[7, 70], Operations: ['30-25=5', '75-5=70'] Exploring Operation: 7*70=490, Resulting Numbers: [490] 490,63 unequal: No Solution Exploring Operation: 7+70=77, Resulting Numbers: [77] 77,63 unequal: No Solution Exploring Operation: 70/7=10, Resulting Numbers: [10] 10,63 unequal: No Solution Exploring Operation: 70-7=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[30, 25, 75, 7], Operations: [] Exploring Operation: 30-25=5, Resulting Numbers: [75, 7, 5] Generated Node #0,1: 63:[75, 7, 5] Operation: 30-25=5 Moving to Node #0,1 Current State: 63:[75, 7, 5], Operations: ['30-25=5'] Exploring Operation: 75-5=70, Resulting Numbers: [7, 70] Generated Node #0,1,3: 63:[7, 70] Operation: 75-5=70 Moving to Node #0,1,3 Current State: 63:[7, 70], Operations: ['30-25=5', '75-5=70'] Exploring Operation: 70-7=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.963542
hs_5
sum_heuristic
[ 57, 13, 6, 33 ]
97
[ "57+13=70", "33-6=27", "70+27=97" ]
Current State: 97:[57, 13, 6, 33], Operations: [] Exploring Operation: 57+13=70, Resulting Numbers: [6, 33, 70] Generated Node #2: [6, 33, 70] from Operation: 57+13=70 Current State: 97:[6, 33, 70], Operations: ['57+13=70'] Exploring Operation: 33-6=27, Resulting Numbers: [70, 27] Generated Node #3: [70, 27] from Operation: 33-6=27 Current State: 97:[70, 27], Operations: ['57+13=70', '33-6=27'] Exploring Operation: 70+27=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[57, 13, 6, 33], Operations: [] Exploring Operation: 57+13=70, Resulting Numbers: [6, 33, 70] Generated Node #0,0: 97:[6, 33, 70] Operation: 57+13=70 Exploring Operation: 13*6=78, Resulting Numbers: [57, 33, 78] Generated Node #0,1: 97:[57, 33, 78] Operation: 13*6=78 Exploring Operation: 57+6=63, Resulting Numbers: [13, 33, 63] Generated Node #0,2: 97:[13, 33, 63] Operation: 57+6=63 Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[57, 33, 78], Operations: ['13*6=78'] Exploring Operation: 57-33=24, Resulting Numbers: [78, 24] Generated Node #0,1,0: 97:[78, 24] Operation: 57-33=24 Exploring Operation: 57+33=90, Resulting Numbers: [78, 90] Generated Node #0,1,1: 97:[78, 90] Operation: 57+33=90 Exploring Operation: 33+78=111, Resulting Numbers: [57, 111] Generated Node #0,1,2: 97:[57, 111] Operation: 33+78=111 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 97:[78, 90], Operations: ['13*6=78', '57+33=90'] Exploring Operation: 90-78=12, Resulting Numbers: [12] 12,97 unequal: No Solution Exploring Operation: 78*90=7020, Resulting Numbers: [7020] 7020,97 unequal: No Solution Exploring Operation: 78+90=168, Resulting Numbers: [168] 168,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 97:[57, 111], Operations: ['13*6=78', '33+78=111'] Exploring Operation: 57*111=6327, Resulting Numbers: [6327] 6327,97 unequal: No Solution Exploring Operation: 57+111=168, Resulting Numbers: [168] 168,97 unequal: No Solution Exploring Operation: 111-57=54, Resulting Numbers: [54] 54,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 97:[78, 24], Operations: ['13*6=78', '57-33=24'] Exploring Operation: 78*24=1872, Resulting Numbers: [1872] 1872,97 unequal: No Solution Exploring Operation: 78+24=102, Resulting Numbers: [102] 102,97 unequal: No Solution Exploring Operation: 78-24=54, Resulting Numbers: [54] 54,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[6, 33, 70], Operations: ['57+13=70'] Exploring Operation: 6+33=39, Resulting Numbers: [70, 39] Generated Node #0,0,0: 97:[70, 39] Operation: 6+33=39 Exploring Operation: 33-6=27, Resulting Numbers: [70, 27] Generated Node #0,0,1: 97:[70, 27] Operation: 33-6=27 Exploring Operation: 6+70=76, Resulting Numbers: [33, 76] Generated Node #0,0,2: 97:[33, 76] Operation: 6+70=76 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[70, 39], Operations: ['57+13=70', '6+33=39'] Exploring Operation: 70-39=31, Resulting Numbers: [31] 31,97 unequal: No Solution Exploring Operation: 70*39=2730, Resulting Numbers: [2730] 2730,97 unequal: No Solution Exploring Operation: 70+39=109, Resulting Numbers: [109] 109,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 97:[33, 76], Operations: ['57+13=70', '6+70=76'] Exploring Operation: 33*76=2508, Resulting Numbers: [2508] 2508,97 unequal: No Solution Exploring Operation: 76-33=43, Resulting Numbers: [43] 43,97 unequal: No Solution Exploring Operation: 33+76=109, Resulting Numbers: [109] 109,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 97:[70, 27], Operations: ['57+13=70', '33-6=27'] Exploring Operation: 70*27=1890, Resulting Numbers: [1890] 1890,97 unequal: No Solution Exploring Operation: 70-27=43, Resulting Numbers: [43] 43,97 unequal: No Solution Exploring Operation: 70+27=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[57, 13, 6, 33], Operations: [] Exploring Operation: 57+13=70, Resulting Numbers: [6, 33, 70] Generated Node #0,0: 97:[6, 33, 70] Operation: 57+13=70 Moving to Node #0,0 Current State: 97:[6, 33, 70], Operations: ['57+13=70'] Exploring Operation: 33-6=27, Resulting Numbers: [70, 27] Generated Node #0,0,1: 97:[70, 27] Operation: 33-6=27 Moving to Node #0,0,1 Current State: 97:[70, 27], Operations: ['57+13=70', '33-6=27'] Exploring Operation: 70+27=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.97309
hs_3
sum_heuristic
[ 4, 54, 18, 2 ]
22
[ "4+54=58", "18*2=36", "58-36=22" ]
Current State: 22:[4, 54, 18, 2], Operations: [] Exploring Operation: 4+54=58, Resulting Numbers: [18, 2, 58] Generated Node #2: [18, 2, 58] from Operation: 4+54=58 Current State: 22:[18, 2, 58], Operations: ['4+54=58'] Exploring Operation: 18*2=36, Resulting Numbers: [58, 36] Generated Node #3: [58, 36] from Operation: 18*2=36 Current State: 22:[58, 36], Operations: ['4+54=58', '18*2=36'] Exploring Operation: 58-36=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[4, 54, 18, 2], Operations: [] Exploring Operation: 4+18=22, Resulting Numbers: [54, 2, 22] Generated Node #0,0: 22:[54, 2, 22] Operation: 4+18=22 Exploring Operation: 54/18=3, Resulting Numbers: [4, 2, 3] Generated Node #0,1: 22:[4, 2, 3] Operation: 54/18=3 Exploring Operation: 54-4=50, Resulting Numbers: [18, 2, 50] Generated Node #0,2: 22:[18, 2, 50] Operation: 54-4=50 Exploring Operation: 54-18=36, Resulting Numbers: [4, 2, 36] Generated Node #0,3: 22:[4, 2, 36] Operation: 54-18=36 Exploring Operation: 54/2=27, Resulting Numbers: [4, 18, 27] Generated Node #0,4: 22:[4, 18, 27] Operation: 54/2=27 Moving to Node #0,1 Current State: 22:[4, 2, 3], Operations: ['54/18=3'] Exploring Operation: 4-2=2, Resulting Numbers: [3, 2] Generated Node #0,1,0: 22:[3, 2] Operation: 4-2=2 Exploring Operation: 3-2=1, Resulting Numbers: [4, 1] Generated Node #0,1,1: 22:[4, 1] Operation: 3-2=1 Exploring Operation: 4*3=12, Resulting Numbers: [2, 12] Generated Node #0,1,2: 22:[2, 12] Operation: 4*3=12 Exploring Operation: 4-3=1, Resulting Numbers: [2, 1] Generated Node #0,1,3: 22:[2, 1] Operation: 4-3=1 Exploring Operation: 4/2=2, Resulting Numbers: [3, 2] Generated Node #0,1,4: 22:[3, 2] Operation: 4/2=2 Moving to Node #0,4 Current State: 22:[4, 18, 27], Operations: ['54/2=27'] Exploring Operation: 18-4=14, Resulting Numbers: [27, 14] Generated Node #0,4,0: 22:[27, 14] Operation: 18-4=14 Exploring Operation: 27-18=9, Resulting Numbers: [4, 9] Generated Node #0,4,1: 22:[4, 9] Operation: 27-18=9 Exploring Operation: 4+18=22, Resulting Numbers: [27, 22] Generated Node #0,4,2: 22:[27, 22] Operation: 4+18=22 Exploring Operation: 27-4=23, Resulting Numbers: [18, 23] Generated Node #0,4,3: 22:[18, 23] Operation: 27-4=23 Exploring Operation: 4+27=31, Resulting Numbers: [18, 31] Generated Node #0,4,4: 22:[18, 31] Operation: 4+27=31 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 22:[4, 9], Operations: ['54/2=27', '27-18=9'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,22 unequal: No Solution Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,22 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,22 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 #0,4,2 Current State: 22:[27, 22], Operations: ['54/2=27', '4+18=22'] Exploring Operation: 27+22=49, Resulting Numbers: [49] 49,22 unequal: No Solution Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,22 unequal: No Solution Exploring Operation: 27*22=594, Resulting Numbers: [594] 594,22 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 #0,4,3 Current State: 22:[18, 23], Operations: ['54/2=27', '27-4=23'] Exploring Operation: 18*23=414, Resulting Numbers: [414] 414,22 unequal: No Solution Exploring Operation: 18+23=41, Resulting Numbers: [41] 41,22 unequal: No Solution Exploring Operation: 23-18=5, Resulting Numbers: [5] 5,22 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 #0,4,0 Current State: 22:[27, 14], Operations: ['54/2=27', '18-4=14'] Exploring Operation: 27+14=41, Resulting Numbers: [41] 41,22 unequal: No Solution Exploring Operation: 27*14=378, Resulting Numbers: [378] 378,22 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,22 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 #0,4,4 Current State: 22:[18, 31], Operations: ['54/2=27', '4+27=31'] Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,22 unequal: No Solution Exploring Operation: 18*31=558, Resulting Numbers: [558] 558,22 unequal: No Solution Exploring Operation: 18+31=49, Resulting Numbers: [49] 49,22 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: 22:[4, 2, 36], Operations: ['54-18=36'] Exploring Operation: 36/2=18, Resulting Numbers: [4, 18] Generated Node #0,3,0: 22:[4, 18] Operation: 36/2=18 Exploring Operation: 4-2=2, Resulting Numbers: [36, 2] Generated Node #0,3,1: 22:[36, 2] Operation: 4-2=2 Exploring Operation: 4/2=2, Resulting Numbers: [36, 2] Generated Node #0,3,2: 22:[36, 2] Operation: 4/2=2 Exploring Operation: 36-4=32, Resulting Numbers: [2, 32] Generated Node #0,3,3: 22:[2, 32] Operation: 36-4=32 Exploring Operation: 36/4=9, Resulting Numbers: [2, 9] Generated Node #0,3,4: 22:[2, 9] Operation: 36/4=9 Moving to Node #0,0 Current State: 22:[54, 2, 22], Operations: ['4+18=22'] Exploring Operation: 54+2=56, Resulting Numbers: [22, 56] Generated Node #0,0,0: 22:[22, 56] Operation: 54+2=56 Exploring Operation: 22/2=11, Resulting Numbers: [54, 11] Generated Node #0,0,1: 22:[54, 11] Operation: 22/2=11 Exploring Operation: 54-2=52, Resulting Numbers: [22, 52] Generated Node #0,0,2: 22:[22, 52] Operation: 54-2=52 Exploring Operation: 54/2=27, Resulting Numbers: [22, 27] Generated Node #0,0,3: 22:[22, 27] Operation: 54/2=27 Exploring Operation: 54-22=32, Resulting Numbers: [2, 32] Generated Node #0,0,4: 22:[2, 32] Operation: 54-22=32 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 22:[22, 27], Operations: ['4+18=22', '54/2=27'] Exploring Operation: 22*27=594, Resulting Numbers: [594] 594,22 unequal: No Solution Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,22 unequal: No Solution Exploring Operation: 22+27=49, Resulting Numbers: [49] 49,22 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 #0,0,4 Current State: 22:[2, 32], Operations: ['4+18=22', '54-22=32'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,22 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,22 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,22 unequal: No Solution Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,22 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:[22, 52], Operations: ['4+18=22', '54-2=52'] Exploring Operation: 22+52=74, Resulting Numbers: [74] 74,22 unequal: No Solution Exploring Operation: 22*52=1144, Resulting Numbers: [1144] 1144,22 unequal: No Solution Exploring Operation: 52-22=30, Resulting Numbers: [30] 30,22 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:[54, 11], Operations: ['4+18=22', '22/2=11'] Exploring Operation: 54*11=594, Resulting Numbers: [594] 594,22 unequal: No Solution Exploring Operation: 54-11=43, Resulting Numbers: [43] 43,22 unequal: No Solution Exploring Operation: 54+11=65, Resulting Numbers: [65] 65,22 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 #0,0,0 Current State: 22:[22, 56], Operations: ['4+18=22', '54+2=56'] Exploring Operation: 22*56=1232, Resulting Numbers: [1232] 1232,22 unequal: No Solution Exploring Operation: 56-22=34, Resulting Numbers: [34] 34,22 unequal: No Solution Exploring Operation: 22+56=78, Resulting Numbers: [78] 78,22 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:[18, 2, 50], Operations: ['54-4=50'] Exploring Operation: 50-18=32, Resulting Numbers: [2, 32] Generated Node #0,2,0: 22:[2, 32] Operation: 50-18=32 Exploring Operation: 50/2=25, Resulting Numbers: [18, 25] Generated Node #0,2,1: 22:[18, 25] Operation: 50/2=25 Exploring Operation: 18/2=9, Resulting Numbers: [50, 9] Generated Node #0,2,2: 22:[50, 9] Operation: 18/2=9 Exploring Operation: 50-2=48, Resulting Numbers: [18, 48] Generated Node #0,2,3: 22:[18, 48] Operation: 50-2=48 Exploring Operation: 18+2=20, Resulting Numbers: [50, 20] Generated Node #0,2,4: 22:[50, 20] Operation: 18+2=20 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 22:[18, 25], Operations: ['54-4=50', '50/2=25'] Exploring Operation: 18+25=43, Resulting Numbers: [43] 43,22 unequal: No Solution Exploring Operation: 18*25=450, Resulting Numbers: [450] 450,22 unequal: No Solution Exploring Operation: 25-18=7, Resulting Numbers: [7] 7,22 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 #0,2,0 Current State: 22:[2, 32], Operations: ['54-4=50', '50-18=32'] Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,22 unequal: No Solution Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,22 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,22 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,22 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 #0,2,2 Current State: 22:[50, 9], Operations: ['54-4=50', '18/2=9'] Exploring Operation: 50+9=59, Resulting Numbers: [59] 59,22 unequal: No Solution Exploring Operation: 50-9=41, Resulting Numbers: [41] 41,22 unequal: No Solution Exploring Operation: 50*9=450, Resulting Numbers: [450] 450,22 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 #0,2,3 Current State: 22:[18, 48], Operations: ['54-4=50', '50-2=48'] Exploring Operation: 18*48=864, Resulting Numbers: [864] 864,22 unequal: No Solution Exploring Operation: 48-18=30, Resulting Numbers: [30] 30,22 unequal: No Solution Exploring Operation: 18+48=66, Resulting Numbers: [66] 66,22 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 #0,2,4 Current State: 22:[50, 20], Operations: ['54-4=50', '18+2=20'] Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,22 unequal: No Solution Exploring Operation: 50+20=70, Resulting Numbers: [70] 70,22 unequal: No Solution Exploring Operation: 50*20=1000, Resulting Numbers: [1000] 1000,22 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: 22:[3, 2], Operations: ['54/18=3', '4-2=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,22 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,22 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,22 unequal: No Solution Moving to Node #0,1,3 Current State: 22:[2, 1], Operations: ['54/18=3', '4-3=1'] Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,22 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,22 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,22 unequal: No Solution Moving to Node #0,1,2 Current State: 22:[2, 12], Operations: ['54/18=3', '4*3=12'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,22 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,22 unequal: No Solution Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,22 unequal: No Solution Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,22 unequal: No Solution Moving to Node #0,1,4 Current State: 22:[3, 2], Operations: ['54/18=3', '4/2=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,22 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,22 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,22 unequal: No Solution Moving to Node #0,3,4 Current State: 22:[2, 9], Operations: ['54-18=36', '36/4=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,22 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,22 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,22 unequal: No Solution Moving to Node #0,1,1 Current State: 22:[4, 1], Operations: ['54/18=3', '3-2=1'] Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,22 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,22 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,22 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,22 unequal: No Solution Moving to Node #0,3,0 Current State: 22:[4, 18], Operations: ['54-18=36', '36/2=18'] Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,22 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[4, 54, 18, 2], Operations: [] Exploring Operation: 54-18=36, Resulting Numbers: [4, 2, 36] Generated Node #0,3: 22:[4, 2, 36] Operation: 54-18=36 Moving to Node #0,3 Current State: 22:[4, 2, 36], Operations: ['54-18=36'] Exploring Operation: 36/2=18, Resulting Numbers: [4, 18] Generated Node #0,3,0: 22:[4, 18] Operation: 36/2=18 Moving to Node #0,3,0 Current State: 22:[4, 18], Operations: ['54-18=36', '36/2=18'] Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
0.909722
hs_5
sum_heuristic
[ 39, 17, 64, 5 ]
13
[ "39+17=56", "64+5=69", "69-56=13" ]
Current State: 13:[39, 17, 64, 5], Operations: [] Exploring Operation: 39+17=56, Resulting Numbers: [64, 5, 56] Generated Node #2: [64, 5, 56] from Operation: 39+17=56 Current State: 13:[64, 5, 56], Operations: ['39+17=56'] Exploring Operation: 64+5=69, Resulting Numbers: [56, 69] Generated Node #3: [56, 69] from Operation: 64+5=69 Current State: 13:[56, 69], Operations: ['39+17=56', '64+5=69'] Exploring Operation: 69-56=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[39, 17, 64, 5], Operations: [] Exploring Operation: 64-39=25, Resulting Numbers: [17, 5, 25] Generated Node #0,0: 13:[17, 5, 25] Operation: 64-39=25 Moving to Node #0,0 Current State: 13:[17, 5, 25], Operations: ['64-39=25'] Exploring Operation: 25-5=20, Resulting Numbers: [17, 20] Generated Node #0,0,0: 13:[17, 20] Operation: 25-5=20 Moving to Node #0,0,0 Current State: 13:[17, 20], Operations: ['64-39=25', '25-5=20'] Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,13 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 17, 97, 73, 91 ]
81
[ "97+73=170", "170/17=10", "91-10=81" ]
Current State: 81:[17, 97, 73, 91], Operations: [] Exploring Operation: 97+73=170, Resulting Numbers: [17, 91, 170] Generated Node #2: [17, 91, 170] from Operation: 97+73=170 Current State: 81:[17, 91, 170], Operations: ['97+73=170'] Exploring Operation: 170/17=10, Resulting Numbers: [91, 10] Generated Node #3: [91, 10] from Operation: 170/17=10 Current State: 81:[91, 10], Operations: ['97+73=170', '170/17=10'] Exploring Operation: 91-10=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[17, 97, 73, 91], Operations: [] Exploring Operation: 97-17=80, Resulting Numbers: [73, 91, 80] Generated Node #0,0: 81:[73, 91, 80] Operation: 97-17=80 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[73, 91, 80], Operations: ['97-17=80'] Exploring Operation: 91-73=18, Resulting Numbers: [80, 18] Generated Node #0,0,0: 81:[80, 18] Operation: 91-73=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[80, 18], Operations: ['97-17=80', '91-73=18'] Exploring Operation: 80+18=98, Resulting Numbers: [98] 98,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 96, 5, 54, 4 ]
100
[ "54-5=49", "4*49=196", "196-96=100" ]
Current State: 100:[96, 5, 54, 4], Operations: [] Exploring Operation: 54-5=49, Resulting Numbers: [96, 4, 49] Generated Node #2: [96, 4, 49] from Operation: 54-5=49 Current State: 100:[96, 4, 49], Operations: ['54-5=49'] Exploring Operation: 4*49=196, Resulting Numbers: [96, 196] Generated Node #3: [96, 196] from Operation: 4*49=196 Current State: 100:[96, 196], Operations: ['54-5=49', '4*49=196'] Exploring Operation: 196-96=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[96, 5, 54, 4], Operations: [] Exploring Operation: 96/4=24, Resulting Numbers: [5, 54, 24] Generated Node #0,0: 100:[5, 54, 24] Operation: 96/4=24 Exploring Operation: 96+5=101, Resulting Numbers: [54, 4, 101] Generated Node #0,1: 100:[54, 4, 101] Operation: 96+5=101 Exploring Operation: 54-5=49, Resulting Numbers: [96, 4, 49] Generated Node #0,2: 100:[96, 4, 49] Operation: 54-5=49 Exploring Operation: 96+4=100, Resulting Numbers: [5, 54, 100] Generated Node #0,3: 100:[5, 54, 100] Operation: 96+4=100 Exploring Operation: 54-4=50, Resulting Numbers: [96, 5, 50] Generated Node #0,4: 100:[96, 5, 50] Operation: 54-4=50 Moving to Node #0,3 Current State: 100:[5, 54, 100], Operations: ['96+4=100'] Exploring Operation: 5+54=59, Resulting Numbers: [100, 59] Generated Node #0,3,0: 100:[100, 59] Operation: 5+54=59 Exploring Operation: 100-54=46, Resulting Numbers: [5, 46] Generated Node #0,3,1: 100:[5, 46] Operation: 100-54=46 Exploring Operation: 54-5=49, Resulting Numbers: [100, 49] Generated Node #0,3,2: 100:[100, 49] Operation: 54-5=49 Exploring Operation: 5+100=105, Resulting Numbers: [54, 105] Generated Node #0,3,3: 100:[54, 105] Operation: 5+100=105 Exploring Operation: 100/5=20, Resulting Numbers: [54, 20] Generated Node #0,3,4: 100:[54, 20] Operation: 100/5=20 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 100:[100, 49], Operations: ['96+4=100', '54-5=49'] Exploring Operation: 100*49=4900, Resulting Numbers: [4900] 4900,100 unequal: No Solution Exploring Operation: 100-49=51, Resulting Numbers: [51] 51,100 unequal: No Solution Exploring Operation: 100+49=149, Resulting Numbers: [149] 149,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 100:[5, 46], Operations: ['96+4=100', '100-54=46'] Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,100 unequal: No Solution Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,100 unequal: No Solution Exploring Operation: 5*46=230, Resulting Numbers: [230] 230,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 100:[54, 20], Operations: ['96+4=100', '100/5=20'] Exploring Operation: 54*20=1080, Resulting Numbers: [1080] 1080,100 unequal: No Solution Exploring Operation: 54-20=34, Resulting Numbers: [34] 34,100 unequal: No Solution Exploring Operation: 54+20=74, Resulting Numbers: [74] 74,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 100:[100, 59], Operations: ['96+4=100', '5+54=59'] Exploring Operation: 100-59=41, Resulting Numbers: [41] 41,100 unequal: No Solution Exploring Operation: 100+59=159, Resulting Numbers: [159] 159,100 unequal: No Solution Exploring Operation: 100*59=5900, Resulting Numbers: [5900] 5900,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 100:[54, 105], Operations: ['96+4=100', '5+100=105'] Exploring Operation: 54+105=159, Resulting Numbers: [159] 159,100 unequal: No Solution Exploring Operation: 105-54=51, Resulting Numbers: [51] 51,100 unequal: No Solution Exploring Operation: 54*105=5670, Resulting Numbers: [5670] 5670,100 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: 100:[96, 5, 50], Operations: ['54-4=50'] Exploring Operation: 96-5=91, Resulting Numbers: [50, 91] Generated Node #0,4,0: 100:[50, 91] Operation: 96-5=91 Exploring Operation: 96+5=101, Resulting Numbers: [50, 101] Generated Node #0,4,1: 100:[50, 101] Operation: 96+5=101 Exploring Operation: 5+50=55, Resulting Numbers: [96, 55] Generated Node #0,4,2: 100:[96, 55] Operation: 5+50=55 Exploring Operation: 50/5=10, Resulting Numbers: [96, 10] Generated Node #0,4,3: 100:[96, 10] Operation: 50/5=10 Exploring Operation: 96-50=46, Resulting Numbers: [5, 46] Generated Node #0,4,4: 100:[5, 46] Operation: 96-50=46 Moving to Node #0,0 Current State: 100:[5, 54, 24], Operations: ['96/4=24'] Exploring Operation: 54-5=49, Resulting Numbers: [24, 49] Generated Node #0,0,0: 100:[24, 49] Operation: 54-5=49 Exploring Operation: 5+54=59, Resulting Numbers: [24, 59] Generated Node #0,0,1: 100:[24, 59] Operation: 5+54=59 Exploring Operation: 24-5=19, Resulting Numbers: [54, 19] Generated Node #0,0,2: 100:[54, 19] Operation: 24-5=19 Exploring Operation: 54-24=30, Resulting Numbers: [5, 30] Generated Node #0,0,3: 100:[5, 30] Operation: 54-24=30 Exploring Operation: 5+24=29, Resulting Numbers: [54, 29] Generated Node #0,0,4: 100:[54, 29] Operation: 5+24=29 Moving to Node #0,1 Current State: 100:[54, 4, 101], Operations: ['96+5=101'] Exploring Operation: 101-4=97, Resulting Numbers: [54, 97] Generated Node #0,1,0: 100:[54, 97] Operation: 101-4=97 Exploring Operation: 54+4=58, Resulting Numbers: [101, 58] Generated Node #0,1,1: 100:[101, 58] Operation: 54+4=58 Exploring Operation: 4+101=105, Resulting Numbers: [54, 105] Generated Node #0,1,2: 100:[54, 105] Operation: 4+101=105 Exploring Operation: 54-4=50, Resulting Numbers: [101, 50] Generated Node #0,1,3: 100:[101, 50] Operation: 54-4=50 Exploring Operation: 101-54=47, Resulting Numbers: [4, 47] Generated Node #0,1,4: 100:[4, 47] Operation: 101-54=47 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 100:[101, 50], Operations: ['96+5=101', '54-4=50'] Exploring Operation: 101+50=151, Resulting Numbers: [151] 151,100 unequal: No Solution Exploring Operation: 101-50=51, Resulting Numbers: [51] 51,100 unequal: No Solution Exploring Operation: 101*50=5050, Resulting Numbers: [5050] 5050,100 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 #0,1,4 Current State: 100:[4, 47], Operations: ['96+5=101', '101-54=47'] Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,100 unequal: No Solution Exploring Operation: 4*47=188, Resulting Numbers: [188] 188,100 unequal: No Solution Exploring Operation: 4+47=51, Resulting Numbers: [51] 51,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 100:[54, 97], Operations: ['96+5=101', '101-4=97'] Exploring Operation: 97-54=43, Resulting Numbers: [43] 43,100 unequal: No Solution Exploring Operation: 54+97=151, Resulting Numbers: [151] 151,100 unequal: No Solution Exploring Operation: 54*97=5238, Resulting Numbers: [5238] 5238,100 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 #0,1,1 Current State: 100:[101, 58], Operations: ['96+5=101', '54+4=58'] Exploring Operation: 101-58=43, Resulting Numbers: [43] 43,100 unequal: No Solution Exploring Operation: 101*58=5858, Resulting Numbers: [5858] 5858,100 unequal: No Solution Exploring Operation: 101+58=159, Resulting Numbers: [159] 159,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 100:[54, 105], Operations: ['96+5=101', '4+101=105'] Exploring Operation: 105-54=51, Resulting Numbers: [51] 51,100 unequal: No Solution Exploring Operation: 54*105=5670, Resulting Numbers: [5670] 5670,100 unequal: No Solution Exploring Operation: 54+105=159, Resulting Numbers: [159] 159,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 100:[96, 4, 49], Operations: ['54-5=49'] Exploring Operation: 4+49=53, Resulting Numbers: [96, 53] Generated Node #0,2,0: 100:[96, 53] Operation: 4+49=53 Exploring Operation: 96+4=100, Resulting Numbers: [49, 100] Generated Node #0,2,1: 100:[49, 100] Operation: 96+4=100 Exploring Operation: 96-49=47, Resulting Numbers: [4, 47] Generated Node #0,2,2: 100:[4, 47] Operation: 96-49=47 Exploring Operation: 96-4=92, Resulting Numbers: [49, 92] Generated Node #0,2,3: 100:[49, 92] Operation: 96-4=92 Exploring Operation: 96/4=24, Resulting Numbers: [49, 24] Generated Node #0,2,4: 100:[49, 24] Operation: 96/4=24 Moving to Node #0,4,1 Current State: 100:[50, 101], Operations: ['54-4=50', '96+5=101'] Exploring Operation: 101-50=51, Resulting Numbers: [51] 51,100 unequal: No Solution Exploring Operation: 50*101=5050, Resulting Numbers: [5050] 5050,100 unequal: No Solution Exploring Operation: 50+101=151, Resulting Numbers: [151] 151,100 unequal: No Solution Moving to Node #0,2,1 Current State: 100:[49, 100], Operations: ['54-5=49', '96+4=100'] Exploring Operation: 100-49=51, Resulting Numbers: [51] 51,100 unequal: No Solution Exploring Operation: 49*100=4900, Resulting Numbers: [4900] 4900,100 unequal: No Solution Exploring Operation: 49+100=149, Resulting Numbers: [149] 149,100 unequal: No Solution Moving to Node #0,0,0 Current State: 100:[24, 49], Operations: ['96/4=24', '54-5=49'] Exploring Operation: 24+49=73, Resulting Numbers: [73] 73,100 unequal: No Solution Exploring Operation: 24*49=1176, Resulting Numbers: [1176] 1176,100 unequal: No Solution Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,100 unequal: No Solution Moving to Node #0,2,4 Current State: 100:[49, 24], Operations: ['54-5=49', '96/4=24'] Exploring Operation: 49*24=1176, Resulting Numbers: [1176] 1176,100 unequal: No Solution Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,100 unequal: No Solution Exploring Operation: 49+24=73, Resulting Numbers: [73] 73,100 unequal: No Solution Moving to Node #0,2,2 Current State: 100:[4, 47], Operations: ['54-5=49', '96-49=47'] Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,100 unequal: No Solution Exploring Operation: 4+47=51, Resulting Numbers: [51] 51,100 unequal: No Solution Exploring Operation: 4*47=188, Resulting Numbers: [188] 188,100 unequal: No Solution Moving to Node #0,4,4 Current State: 100:[5, 46], Operations: ['54-4=50', '96-50=46'] Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,100 unequal: No Solution Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,100 unequal: No Solution Exploring Operation: 5*46=230, Resulting Numbers: [230] 230,100 unequal: No Solution Moving to Node #0,4,3 Current State: 100:[96, 10], Operations: ['54-4=50', '50/5=10'] Exploring Operation: 96-10=86, Resulting Numbers: [86] 86,100 unequal: No Solution Exploring Operation: 96+10=106, Resulting Numbers: [106] 106,100 unequal: No Solution Exploring Operation: 96*10=960, Resulting Numbers: [960] 960,100 unequal: No Solution Moving to Node #0,0,2 Current State: 100:[54, 19], Operations: ['96/4=24', '24-5=19'] Exploring Operation: 54*19=1026, Resulting Numbers: [1026] 1026,100 unequal: No Solution Exploring Operation: 54-19=35, Resulting Numbers: [35] 35,100 unequal: No Solution Exploring Operation: 54+19=73, Resulting Numbers: [73] 73,100 unequal: No Solution Moving to Node #0,0,3 Current State: 100:[5, 30], Operations: ['96/4=24', '54-24=30'] Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,100 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,100 unequal: No Solution Exploring Operation: 5*30=150, Resulting Numbers: [150] 150,100 unequal: No Solution Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,100 unequal: No Solution Moving to Node #0,2,0 Current State: 100:[96, 53], Operations: ['54-5=49', '4+49=53'] Exploring Operation: 96-53=43, Resulting Numbers: [43] 43,100 unequal: No Solution Exploring Operation: 96*53=5088, Resulting Numbers: [5088] 5088,100 unequal: No Solution Exploring Operation: 96+53=149, Resulting Numbers: [149] 149,100 unequal: No Solution Moving to Node #0,0,4 Current State: 100:[54, 29], Operations: ['96/4=24', '5+24=29'] Exploring Operation: 54-29=25, Resulting Numbers: [25] 25,100 unequal: No Solution Exploring Operation: 54*29=1566, Resulting Numbers: [1566] 1566,100 unequal: No Solution Exploring Operation: 54+29=83, Resulting Numbers: [83] 83,100 unequal: No Solution Moving to Node #0,2,3 Current State: 100:[49, 92], Operations: ['54-5=49', '96-4=92'] Exploring Operation: 49+92=141, Resulting Numbers: [141] 141,100 unequal: No Solution Exploring Operation: 49*92=4508, Resulting Numbers: [4508] 4508,100 unequal: No Solution Exploring Operation: 92-49=43, Resulting Numbers: [43] 43,100 unequal: No Solution Moving to Node #0,4,2 Current State: 100:[96, 55], Operations: ['54-4=50', '5+50=55'] Exploring Operation: 96*55=5280, Resulting Numbers: [5280] 5280,100 unequal: No Solution Exploring Operation: 96+55=151, Resulting Numbers: [151] 151,100 unequal: No Solution Exploring Operation: 96-55=41, Resulting Numbers: [41] 41,100 unequal: No Solution Moving to Node #0,4,0 Current State: 100:[50, 91], Operations: ['54-4=50', '96-5=91'] Exploring Operation: 50*91=4550, Resulting Numbers: [4550] 4550,100 unequal: No Solution Exploring Operation: 50+91=141, Resulting Numbers: [141] 141,100 unequal: No Solution Exploring Operation: 91-50=41, Resulting Numbers: [41] 41,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[24, 59], Operations: ['96/4=24', '5+54=59'] Exploring Operation: 59-24=35, Resulting Numbers: [35] 35,100 unequal: No Solution Exploring Operation: 24*59=1416, Resulting Numbers: [1416] 1416,100 unequal: No Solution Exploring Operation: 24+59=83, Resulting Numbers: [83] 83,100 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 4, 40, 79, 57 ]
14
[ "40-4=36", "79-57=22", "36-22=14" ]
Current State: 14:[4, 40, 79, 57], Operations: [] Exploring Operation: 40-4=36, Resulting Numbers: [79, 57, 36] Generated Node #2: [79, 57, 36] from Operation: 40-4=36 Current State: 14:[79, 57, 36], Operations: ['40-4=36'] Exploring Operation: 79-57=22, Resulting Numbers: [36, 22] Generated Node #3: [36, 22] from Operation: 79-57=22 Current State: 14:[36, 22], Operations: ['40-4=36', '79-57=22'] Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[4, 40, 79, 57], Operations: [] Exploring Operation: 79-40=39, Resulting Numbers: [4, 57, 39] Generated Node #0,0: 14:[4, 57, 39] Operation: 79-40=39 Exploring Operation: 40/4=10, Resulting Numbers: [79, 57, 10] Generated Node #0,1: 14:[79, 57, 10] Operation: 40/4=10 Exploring Operation: 79-57=22, Resulting Numbers: [4, 40, 22] Generated Node #0,2: 14:[4, 40, 22] Operation: 79-57=22 Exploring Operation: 57-40=17, Resulting Numbers: [4, 79, 17] Generated Node #0,3: 14:[4, 79, 17] Operation: 57-40=17 Start Sub Search at level 1: Moving to Node #0,2 Current State: 14:[4, 40, 22], Operations: ['79-57=22'] Exploring Operation: 40-22=18, Resulting Numbers: [4, 18] Generated Node #0,2,0: 14:[4, 18] Operation: 40-22=18 Exploring Operation: 40-4=36, Resulting Numbers: [22, 36] Generated Node #0,2,1: 14:[22, 36] Operation: 40-4=36 Exploring Operation: 22-4=18, Resulting Numbers: [40, 18] Generated Node #0,2,2: 14:[40, 18] Operation: 22-4=18 Exploring Operation: 40/4=10, Resulting Numbers: [22, 10] Generated Node #0,2,3: 14:[22, 10] Operation: 40/4=10 Moving to Node #0,2,0 Current State: 14:[4, 18], Operations: ['79-57=22', '40-22=18'] Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,14 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,14 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[4, 40, 79, 57], Operations: [] Exploring Operation: 79-57=22, Resulting Numbers: [4, 40, 22] Generated Node #0,2: 14:[4, 40, 22] Operation: 79-57=22 Moving to Node #0,2 Current State: 14:[4, 40, 22], Operations: ['79-57=22'] Exploring Operation: 40-22=18, Resulting Numbers: [4, 18] Generated Node #0,2,0: 14:[4, 18] Operation: 40-22=18 Moving to Node #0,2,0 Current State: 14:[4, 18], Operations: ['79-57=22', '40-22=18'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 69, 10, 79, 5 ]
98
[ "69+79=148", "10*5=50", "148-50=98" ]
Current State: 98:[69, 10, 79, 5], Operations: [] Exploring Operation: 69+79=148, Resulting Numbers: [10, 5, 148] Generated Node #2: [10, 5, 148] from Operation: 69+79=148 Current State: 98:[10, 5, 148], Operations: ['69+79=148'] Exploring Operation: 10*5=50, Resulting Numbers: [148, 50] Generated Node #3: [148, 50] from Operation: 10*5=50 Current State: 98:[148, 50], Operations: ['69+79=148', '10*5=50'] Exploring Operation: 148-50=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[69, 10, 79, 5], Operations: [] Exploring Operation: 10+79=89, Resulting Numbers: [69, 5, 89] Generated Node #0,0: 98:[69, 5, 89] Operation: 10+79=89 Exploring Operation: 69-5=64, Resulting Numbers: [10, 79, 64] Generated Node #0,1: 98:[10, 79, 64] Operation: 69-5=64 Exploring Operation: 79+5=84, Resulting Numbers: [69, 10, 84] Generated Node #0,2: 98:[69, 10, 84] Operation: 79+5=84 Exploring Operation: 79-69=10, Resulting Numbers: [10, 5, 10] Generated Node #0,3: 98:[10, 5, 10] Operation: 79-69=10 Exploring Operation: 69-10=59, Resulting Numbers: [79, 5, 59] Generated Node #0,4: 98:[79, 5, 59] Operation: 69-10=59 Moving to Node #0,3 Current State: 98:[10, 5, 10], Operations: ['79-69=10'] Exploring Operation: 10/10=1, Resulting Numbers: [5, 1] Generated Node #0,3,0: 98:[5, 1] Operation: 10/10=1 Exploring Operation: 10*5=50, Resulting Numbers: [10, 50] Generated Node #0,3,1: 98:[10, 50] Operation: 10*5=50 Exploring Operation: 10/5=2, Resulting Numbers: [10, 2] Generated Node #0,3,2: 98:[10, 2] Operation: 10/5=2 Exploring Operation: 10+5=15, Resulting Numbers: [10, 15] Generated Node #0,3,3: 98:[10, 15] Operation: 10+5=15 Exploring Operation: 10/5=2, Resulting Numbers: [10, 2] Generated Node #0,3,4: 98:[10, 2] Operation: 10/5=2 Moving to Node #0,4 Current State: 98:[79, 5, 59], Operations: ['69-10=59'] Exploring Operation: 79-5=74, Resulting Numbers: [59, 74] Generated Node #0,4,0: 98:[59, 74] Operation: 79-5=74 Exploring Operation: 79-59=20, Resulting Numbers: [5, 20] Generated Node #0,4,1: 98:[5, 20] Operation: 79-59=20 Exploring Operation: 59-5=54, Resulting Numbers: [79, 54] Generated Node #0,4,2: 98:[79, 54] Operation: 59-5=54 Exploring Operation: 5+59=64, Resulting Numbers: [79, 64] Generated Node #0,4,3: 98:[79, 64] Operation: 5+59=64 Exploring Operation: 79+5=84, Resulting Numbers: [59, 84] Generated Node #0,4,4: 98:[59, 84] Operation: 79+5=84 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 98:[5, 20], Operations: ['69-10=59', '79-59=20'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,98 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,98 unequal: No Solution Exploring Operation: 5*20=100, Resulting Numbers: [100] 100,98 unequal: No Solution Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,98 unequal: No Solution No 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: 98:[79, 54], Operations: ['69-10=59', '59-5=54'] Exploring Operation: 79+54=133, Resulting Numbers: [133] 133,98 unequal: No Solution Exploring Operation: 79-54=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 79*54=4266, Resulting Numbers: [4266] 4266,98 unequal: No Solution No 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: 98:[59, 84], Operations: ['69-10=59', '79+5=84'] Exploring Operation: 84-59=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 59+84=143, Resulting Numbers: [143] 143,98 unequal: No Solution Exploring Operation: 59*84=4956, Resulting Numbers: [4956] 4956,98 unequal: No Solution No 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: 98:[59, 74], Operations: ['69-10=59', '79-5=74'] Exploring Operation: 74-59=15, Resulting Numbers: [15] 15,98 unequal: No Solution Exploring Operation: 59+74=133, Resulting Numbers: [133] 133,98 unequal: No Solution Exploring Operation: 59*74=4366, Resulting Numbers: [4366] 4366,98 unequal: No Solution No 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: 98:[79, 64], Operations: ['69-10=59', '5+59=64'] Exploring Operation: 79+64=143, Resulting Numbers: [143] 143,98 unequal: No Solution Exploring Operation: 79-64=15, Resulting Numbers: [15] 15,98 unequal: No Solution Exploring Operation: 79*64=5056, Resulting Numbers: [5056] 5056,98 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: 98:[69, 5, 89], Operations: ['10+79=89'] Exploring Operation: 69-5=64, Resulting Numbers: [89, 64] Generated Node #0,0,0: 98:[89, 64] Operation: 69-5=64 Exploring Operation: 69+5=74, Resulting Numbers: [89, 74] Generated Node #0,0,1: 98:[89, 74] Operation: 69+5=74 Exploring Operation: 89-5=84, Resulting Numbers: [69, 84] Generated Node #0,0,2: 98:[69, 84] Operation: 89-5=84 Exploring Operation: 89-69=20, Resulting Numbers: [5, 20] Generated Node #0,0,3: 98:[5, 20] Operation: 89-69=20 Exploring Operation: 5+89=94, Resulting Numbers: [69, 94] Generated Node #0,0,4: 98:[69, 94] Operation: 5+89=94 Moving to Node #0,1 Current State: 98:[10, 79, 64], Operations: ['69-5=64'] Exploring Operation: 10+79=89, Resulting Numbers: [64, 89] Generated Node #0,1,0: 98:[64, 89] Operation: 10+79=89 Exploring Operation: 10+64=74, Resulting Numbers: [79, 74] Generated Node #0,1,1: 98:[79, 74] Operation: 10+64=74 Exploring Operation: 79-64=15, Resulting Numbers: [10, 15] Generated Node #0,1,2: 98:[10, 15] Operation: 79-64=15 Exploring Operation: 64-10=54, Resulting Numbers: [79, 54] Generated Node #0,1,3: 98:[79, 54] Operation: 64-10=54 Exploring Operation: 79-10=69, Resulting Numbers: [64, 69] Generated Node #0,1,4: 98:[64, 69] Operation: 79-10=69 Moving to Node #0,2 Current State: 98:[69, 10, 84], Operations: ['79+5=84'] Exploring Operation: 10+84=94, Resulting Numbers: [69, 94] Generated Node #0,2,0: 98:[69, 94] Operation: 10+84=94 Exploring Operation: 84-69=15, Resulting Numbers: [10, 15] Generated Node #0,2,1: 98:[10, 15] Operation: 84-69=15 Exploring Operation: 84-10=74, Resulting Numbers: [69, 74] Generated Node #0,2,2: 98:[69, 74] Operation: 84-10=74 Exploring Operation: 69-10=59, Resulting Numbers: [84, 59] Generated Node #0,2,3: 98:[84, 59] Operation: 69-10=59 Exploring Operation: 69+10=79, Resulting Numbers: [84, 79] Generated Node #0,2,4: 98:[84, 79] Operation: 69+10=79 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 98:[10, 15], Operations: ['79+5=84', '84-69=15'] Exploring Operation: 10*15=150, Resulting Numbers: [150] 150,98 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,98 unequal: No Solution No 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: 98:[69, 94], Operations: ['79+5=84', '10+84=94'] Exploring Operation: 69*94=6486, Resulting Numbers: [6486] 6486,98 unequal: No Solution Exploring Operation: 94-69=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 69+94=163, Resulting Numbers: [163] 163,98 unequal: No Solution No 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: 98:[84, 59], Operations: ['79+5=84', '69-10=59'] Exploring Operation: 84*59=4956, Resulting Numbers: [4956] 4956,98 unequal: No Solution Exploring Operation: 84-59=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 84+59=143, Resulting Numbers: [143] 143,98 unequal: No Solution No 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: 98:[84, 79], Operations: ['79+5=84', '69+10=79'] Exploring Operation: 84*79=6636, Resulting Numbers: [6636] 6636,98 unequal: No Solution Exploring Operation: 84-79=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 84+79=163, Resulting Numbers: [163] 163,98 unequal: No Solution No 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: 98:[69, 74], Operations: ['79+5=84', '84-10=74'] Exploring Operation: 74-69=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 69*74=5106, Resulting Numbers: [5106] 5106,98 unequal: No Solution Exploring Operation: 69+74=143, Resulting Numbers: [143] 143,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 98:[5, 1], Operations: ['79-69=10', '10/10=1'] Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,98 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,98 unequal: No Solution Moving to Node #0,3,4 Current State: 98:[10, 2], Operations: ['79-69=10', '10/5=2'] Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,98 unequal: No Solution Moving to Node #0,3,2 Current State: 98:[10, 2], Operations: ['79-69=10', '10/5=2'] Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,98 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,98 unequal: No Solution Moving to Node #0,3,3 Current State: 98:[10, 15], Operations: ['79-69=10', '10+5=15'] Exploring Operation: 10*15=150, Resulting Numbers: [150] 150,98 unequal: No Solution Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,98 unequal: No Solution Moving to Node #0,1,2 Current State: 98:[10, 15], Operations: ['69-5=64', '79-64=15'] Exploring Operation: 10*15=150, Resulting Numbers: [150] 150,98 unequal: No Solution Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,98 unequal: No Solution Moving to Node #0,3,1 Current State: 98:[10, 50], Operations: ['79-69=10', '10*5=50'] Exploring Operation: 10+50=60, Resulting Numbers: [60] 60,98 unequal: No Solution Exploring Operation: 10*50=500, Resulting Numbers: [500] 500,98 unequal: No Solution Exploring Operation: 50/10=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 50-10=40, Resulting Numbers: [40] 40,98 unequal: No Solution Moving to Node #0,0,3 Current State: 98:[5, 20], Operations: ['10+79=89', '89-69=20'] Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,98 unequal: No Solution Exploring Operation: 5*20=100, Resulting Numbers: [100] 100,98 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[89, 64], Operations: ['10+79=89', '69-5=64'] Exploring Operation: 89-64=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 89*64=5696, Resulting Numbers: [5696] 5696,98 unequal: No Solution Exploring Operation: 89+64=153, Resulting Numbers: [153] 153,98 unequal: No Solution Moving to Node #0,1,3 Current State: 98:[79, 54], Operations: ['69-5=64', '64-10=54'] Exploring Operation: 79+54=133, Resulting Numbers: [133] 133,98 unequal: No Solution Exploring Operation: 79*54=4266, Resulting Numbers: [4266] 4266,98 unequal: No Solution Exploring Operation: 79-54=25, Resulting Numbers: [25] 25,98 unequal: No Solution Moving to Node #0,0,4 Current State: 98:[69, 94], Operations: ['10+79=89', '5+89=94'] Exploring Operation: 94-69=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 69*94=6486, Resulting Numbers: [6486] 6486,98 unequal: No Solution Exploring Operation: 69+94=163, Resulting Numbers: [163] 163,98 unequal: No Solution Moving to Node #0,1,0 Current State: 98:[64, 89], Operations: ['69-5=64', '10+79=89'] Exploring Operation: 89-64=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 64+89=153, Resulting Numbers: [153] 153,98 unequal: No Solution Exploring Operation: 64*89=5696, Resulting Numbers: [5696] 5696,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[89, 74], Operations: ['10+79=89', '69+5=74'] Exploring Operation: 89+74=163, Resulting Numbers: [163] 163,98 unequal: No Solution Exploring Operation: 89-74=15, Resulting Numbers: [15] 15,98 unequal: No Solution Exploring Operation: 89*74=6586, Resulting Numbers: [6586] 6586,98 unequal: No Solution Moving to Node #0,0,2 Current State: 98:[69, 84], Operations: ['10+79=89', '89-5=84'] Exploring Operation: 69+84=153, Resulting Numbers: [153] 153,98 unequal: No Solution Exploring Operation: 69*84=5796, Resulting Numbers: [5796] 5796,98 unequal: No Solution Exploring Operation: 84-69=15, Resulting Numbers: [15] 15,98 unequal: No Solution Moving to Node #0,1,4 Current State: 98:[64, 69], Operations: ['69-5=64', '79-10=69'] Exploring Operation: 69-64=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 64*69=4416, Resulting Numbers: [4416] 4416,98 unequal: No Solution Exploring Operation: 64+69=133, Resulting Numbers: [133] 133,98 unequal: No Solution Moving to Node #0,1,1 Current State: 98:[79, 74], Operations: ['69-5=64', '10+64=74'] Exploring Operation: 79+74=153, Resulting Numbers: [153] 153,98 unequal: No Solution Exploring Operation: 79-74=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 79*74=5846, Resulting Numbers: [5846] 5846,98 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 19, 55, 18, 58 ]
39
[ "58-55=3", "19*3=57", "57-18=39" ]
Current State: 39:[19, 55, 18, 58], Operations: [] Exploring Operation: 58-55=3, Resulting Numbers: [19, 18, 3] Generated Node #2: [19, 18, 3] from Operation: 58-55=3 Current State: 39:[19, 18, 3], Operations: ['58-55=3'] Exploring Operation: 19*3=57, Resulting Numbers: [18, 57] Generated Node #3: [18, 57] from Operation: 19*3=57 Current State: 39:[18, 57], Operations: ['58-55=3', '19*3=57'] Exploring Operation: 57-18=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[19, 55, 18, 58], Operations: [] Exploring Operation: 58-19=39, Resulting Numbers: [55, 18, 39] Generated Node #0,0: 39:[55, 18, 39] Operation: 58-19=39 Exploring Operation: 55-18=37, Resulting Numbers: [19, 58, 37] Generated Node #0,1: 39:[19, 58, 37] Operation: 55-18=37 Exploring Operation: 58-55=3, Resulting Numbers: [19, 18, 3] Generated Node #0,2: 39:[19, 18, 3] Operation: 58-55=3 Exploring Operation: 58-18=40, Resulting Numbers: [19, 55, 40] Generated Node #0,3: 39:[19, 55, 40] Operation: 58-18=40 Exploring Operation: 55-19=36, Resulting Numbers: [18, 58, 36] Generated Node #0,4: 39:[18, 58, 36] Operation: 55-19=36 Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[19, 18, 3], Operations: ['58-55=3'] Exploring Operation: 18-3=15, Resulting Numbers: [19, 15] Generated Node #0,2,0: 39:[19, 15] Operation: 18-3=15 Exploring Operation: 19-3=16, Resulting Numbers: [18, 16] Generated Node #0,2,1: 39:[18, 16] Operation: 19-3=16 Exploring Operation: 19-18=1, Resulting Numbers: [3, 1] Generated Node #0,2,2: 39:[3, 1] Operation: 19-18=1 Exploring Operation: 19+18=37, Resulting Numbers: [3, 37] Generated Node #0,2,3: 39:[3, 37] Operation: 19+18=37 Exploring Operation: 18/3=6, Resulting Numbers: [19, 6] Generated Node #0,2,4: 39:[19, 6] Operation: 18/3=6 Moving to Node #0,2,2 Current State: 39:[3, 1], Operations: ['58-55=3', '19-18=1'] Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,39 unequal: No Solution Moving to Node #0,2,3 Current State: 39:[3, 37], Operations: ['58-55=3', '19+18=37'] Exploring Operation: 3+37=40, Resulting Numbers: [40] 40,39 unequal: No Solution Exploring Operation: 3*37=111, Resulting Numbers: [111] 111,39 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[19, 15], Operations: ['58-55=3', '18-3=15'] Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 19+15=34, Resulting Numbers: [34] 34,39 unequal: No Solution Exploring Operation: 19*15=285, Resulting Numbers: [285] 285,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[18, 16], Operations: ['58-55=3', '19-3=16'] Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,39 unequal: No Solution Exploring Operation: 18*16=288, Resulting Numbers: [288] 288,39 unequal: No Solution Moving to Node #0,2,4 Current State: 39:[19, 6], Operations: ['58-55=3', '18/3=6'] Exploring Operation: 19*6=114, Resulting Numbers: [114] 114,39 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,39 unequal: No Solution Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,39 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 Current State: 39:[55, 18, 39], Operations: ['58-19=39'] Exploring Operation: 55-39=16, Resulting Numbers: [18, 16] Generated Node #0,0,0: 39:[18, 16] Operation: 55-39=16 Exploring Operation: 39-18=21, Resulting Numbers: [55, 21] Generated Node #0,0,1: 39:[55, 21] Operation: 39-18=21 Exploring Operation: 18+39=57, Resulting Numbers: [55, 57] Generated Node #0,0,2: 39:[55, 57] Operation: 18+39=57 Exploring Operation: 55-18=37, Resulting Numbers: [39, 37] Generated Node #0,0,3: 39:[39, 37] Operation: 55-18=37 Exploring Operation: 55+18=73, Resulting Numbers: [39, 73] Generated Node #0,0,4: 39:[39, 73] Operation: 55+18=73 Moving to Node #0,0,3 Current State: 39:[39, 37], Operations: ['58-19=39', '55-18=37'] Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 39+37=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 39*37=1443, Resulting Numbers: [1443] 1443,39 unequal: No Solution Moving to Node #0,0,0 Current State: 39:[18, 16], Operations: ['58-19=39', '55-39=16'] Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,39 unequal: No Solution Exploring Operation: 18*16=288, Resulting Numbers: [288] 288,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[55, 21], Operations: ['58-19=39', '39-18=21'] Exploring Operation: 55*21=1155, Resulting Numbers: [1155] 1155,39 unequal: No Solution Exploring Operation: 55+21=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,39 unequal: No Solution Moving to Node #0,0,2 Current State: 39:[55, 57], Operations: ['58-19=39', '18+39=57'] Exploring Operation: 55+57=112, Resulting Numbers: [112] 112,39 unequal: No Solution Exploring Operation: 57-55=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 55*57=3135, Resulting Numbers: [3135] 3135,39 unequal: No Solution Moving to Node #0,0,4 Current State: 39:[39, 73], Operations: ['58-19=39', '55+18=73'] Exploring Operation: 39+73=112, Resulting Numbers: [112] 112,39 unequal: No Solution Exploring Operation: 73-39=34, Resulting Numbers: [34] 34,39 unequal: No Solution Exploring Operation: 39*73=2847, Resulting Numbers: [2847] 2847,39 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:[19, 55, 40], Operations: ['58-18=40'] Exploring Operation: 19+40=59, Resulting Numbers: [55, 59] Generated Node #0,3,0: 39:[55, 59] Operation: 19+40=59 Exploring Operation: 55-19=36, Resulting Numbers: [40, 36] Generated Node #0,3,1: 39:[40, 36] Operation: 55-19=36 Exploring Operation: 40-19=21, Resulting Numbers: [55, 21] Generated Node #0,3,2: 39:[55, 21] Operation: 40-19=21 Exploring Operation: 19+55=74, Resulting Numbers: [40, 74] Generated Node #0,3,3: 39:[40, 74] Operation: 19+55=74 Exploring Operation: 55-40=15, Resulting Numbers: [19, 15] Generated Node #0,3,4: 39:[19, 15] Operation: 55-40=15 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 39:[40, 36], Operations: ['58-18=40', '55-19=36'] Exploring Operation: 40*36=1440, Resulting Numbers: [1440] 1440,39 unequal: No Solution Exploring Operation: 40+36=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 39:[19, 15], Operations: ['58-18=40', '55-40=15'] Exploring Operation: 19+15=34, Resulting Numbers: [34] 34,39 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 19*15=285, Resulting Numbers: [285] 285,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 39:[55, 21], Operations: ['58-18=40', '40-19=21'] Exploring Operation: 55*21=1155, Resulting Numbers: [1155] 1155,39 unequal: No Solution Exploring Operation: 55+21=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,39 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:[55, 59], Operations: ['58-18=40', '19+40=59'] Exploring Operation: 55*59=3245, Resulting Numbers: [3245] 3245,39 unequal: No Solution Exploring Operation: 55+59=114, Resulting Numbers: [114] 114,39 unequal: No Solution Exploring Operation: 59-55=4, Resulting Numbers: [4] 4,39 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:[40, 74], Operations: ['58-18=40', '19+55=74'] Exploring Operation: 74-40=34, Resulting Numbers: [34] 34,39 unequal: No Solution Exploring Operation: 40*74=2960, Resulting Numbers: [2960] 2960,39 unequal: No Solution Exploring Operation: 40+74=114, Resulting Numbers: [114] 114,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[19, 58, 37], Operations: ['55-18=37'] Exploring Operation: 37-19=18, Resulting Numbers: [58, 18] Generated Node #0,1,0: 39:[58, 18] Operation: 37-19=18 Exploring Operation: 19+37=56, Resulting Numbers: [58, 56] Generated Node #0,1,1: 39:[58, 56] Operation: 19+37=56 Exploring Operation: 58-19=39, Resulting Numbers: [37, 39] Generated Node #0,1,2: 39:[37, 39] Operation: 58-19=39 Exploring Operation: 19+58=77, Resulting Numbers: [37, 77] Generated Node #0,1,3: 39:[37, 77] Operation: 19+58=77 Exploring Operation: 58-37=21, Resulting Numbers: [19, 21] Generated Node #0,1,4: 39:[19, 21] Operation: 58-37=21 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 39:[37, 39], Operations: ['55-18=37', '58-19=39'] Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 37*39=1443, Resulting Numbers: [1443] 1443,39 unequal: No Solution Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,39 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 #0,1,4 Current State: 39:[19, 21], Operations: ['55-18=37', '58-37=21'] Exploring Operation: 19*21=399, Resulting Numbers: [399] 399,39 unequal: No Solution Exploring Operation: 21-19=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 19+21=40, Resulting Numbers: [40] 40,39 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 #0,1,0 Current State: 39:[58, 18], Operations: ['55-18=37', '37-19=18'] Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,39 unequal: No Solution Exploring Operation: 58*18=1044, Resulting Numbers: [1044] 1044,39 unequal: No Solution Exploring Operation: 58+18=76, Resulting Numbers: [76] 76,39 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 #0,1,1 Current State: 39:[58, 56], Operations: ['55-18=37', '19+37=56'] Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 58*56=3248, Resulting Numbers: [3248] 3248,39 unequal: No Solution Exploring Operation: 58+56=114, Resulting Numbers: [114] 114,39 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 #0,1,3 Current State: 39:[37, 77], Operations: ['55-18=37', '19+58=77'] Exploring Operation: 77-37=40, Resulting Numbers: [40] 40,39 unequal: No Solution Exploring Operation: 37+77=114, Resulting Numbers: [114] 114,39 unequal: No Solution Exploring Operation: 37*77=2849, Resulting Numbers: [2849] 2849,39 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 #0,4 Current State: 39:[18, 58, 36], Operations: ['55-19=36'] Exploring Operation: 58-36=22, Resulting Numbers: [18, 22] Generated Node #0,4,0: 39:[18, 22] Operation: 58-36=22 Exploring Operation: 58-18=40, Resulting Numbers: [36, 40] Generated Node #0,4,1: 39:[36, 40] Operation: 58-18=40 Exploring Operation: 36-18=18, Resulting Numbers: [58, 18] Generated Node #0,4,2: 39:[58, 18] Operation: 36-18=18 Exploring Operation: 36/18=2, Resulting Numbers: [58, 2] Generated Node #0,4,3: 39:[58, 2] Operation: 36/18=2 Exploring Operation: 18+36=54, Resulting Numbers: [58, 54] Generated Node #0,4,4: 39:[58, 54] Operation: 18+36=54 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 39:[36, 40], Operations: ['55-19=36', '58-18=40'] Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 36*40=1440, Resulting Numbers: [1440] 1440,39 unequal: No Solution Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,39 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 #0,4,0 Current State: 39:[18, 22], Operations: ['55-19=36', '58-36=22'] Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,39 unequal: No Solution Exploring Operation: 18*22=396, Resulting Numbers: [396] 396,39 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 #0,4,3 Current State: 39:[58, 2], Operations: ['55-19=36', '36/18=2'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,39 unequal: No Solution Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,39 unequal: No Solution Exploring Operation: 58*2=116, Resulting Numbers: [116] 116,39 unequal: No Solution Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,39 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 #0,4,2 Current State: 39:[58, 18], Operations: ['55-19=36', '36-18=18'] Exploring Operation: 58*18=1044, Resulting Numbers: [1044] 1044,39 unequal: No Solution Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,39 unequal: No Solution Exploring Operation: 58+18=76, Resulting Numbers: [76] 76,39 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 #0,4,4 Current State: 39:[58, 54], Operations: ['55-19=36', '18+36=54'] Exploring Operation: 58+54=112, Resulting Numbers: [112] 112,39 unequal: No Solution Exploring Operation: 58*54=3132, Resulting Numbers: [3132] 3132,39 unequal: No Solution Exploring Operation: 58-54=4, Resulting Numbers: [4] 4,39 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 No solution found.
0
hs_5
sum_heuristic
[ 93, 90, 17, 98 ]
27
[ "93-90=3", "98-17=81", "81/3=27" ]
Current State: 27:[93, 90, 17, 98], Operations: [] Exploring Operation: 93-90=3, Resulting Numbers: [17, 98, 3] Generated Node #2: [17, 98, 3] from Operation: 93-90=3 Current State: 27:[17, 98, 3], Operations: ['93-90=3'] Exploring Operation: 98-17=81, Resulting Numbers: [3, 81] Generated Node #3: [3, 81] from Operation: 98-17=81 Current State: 27:[3, 81], Operations: ['93-90=3', '98-17=81'] Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[93, 90, 17, 98], Operations: [] Exploring Operation: 93-90=3, Resulting Numbers: [17, 98, 3] Generated Node #0,0: 27:[17, 98, 3] Operation: 93-90=3 Exploring Operation: 98-90=8, Resulting Numbers: [93, 17, 8] Generated Node #0,1: 27:[93, 17, 8] Operation: 98-90=8 Exploring Operation: 98-93=5, Resulting Numbers: [90, 17, 5] Generated Node #0,2: 27:[90, 17, 5] Operation: 98-93=5 Exploring Operation: 90-17=73, Resulting Numbers: [93, 98, 73] Generated Node #0,3: 27:[93, 98, 73] Operation: 90-17=73 Exploring Operation: 93-17=76, Resulting Numbers: [90, 98, 76] Generated Node #0,4: 27:[90, 98, 76] Operation: 93-17=76 Moving to Node #0,2 Current State: 27:[90, 17, 5], Operations: ['98-93=5'] Exploring Operation: 90-17=73, Resulting Numbers: [5, 73] Generated Node #0,2,0: 27:[5, 73] Operation: 90-17=73 Exploring Operation: 90-5=85, Resulting Numbers: [17, 85] Generated Node #0,2,1: 27:[17, 85] Operation: 90-5=85 Exploring Operation: 17-5=12, Resulting Numbers: [90, 12] Generated Node #0,2,2: 27:[90, 12] Operation: 17-5=12 Exploring Operation: 17+5=22, Resulting Numbers: [90, 22] Generated Node #0,2,3: 27:[90, 22] Operation: 17+5=22 Exploring Operation: 90/5=18, Resulting Numbers: [17, 18] Generated Node #0,2,4: 27:[17, 18] Operation: 90/5=18 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 27:[17, 18], Operations: ['98-93=5', '90/5=18'] Exploring Operation: 18-17=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 17*18=306, Resulting Numbers: [306] 306,27 unequal: No Solution Exploring Operation: 17+18=35, Resulting Numbers: [35] 35,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 27:[5, 73], Operations: ['98-93=5', '90-17=73'] Exploring Operation: 5+73=78, Resulting Numbers: [78] 78,27 unequal: No Solution Exploring Operation: 5*73=365, Resulting Numbers: [365] 365,27 unequal: No Solution Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 27:[17, 85], Operations: ['98-93=5', '90-5=85'] Exploring Operation: 85-17=68, Resulting Numbers: [68] 68,27 unequal: No Solution Exploring Operation: 17*85=1445, Resulting Numbers: [1445] 1445,27 unequal: No Solution Exploring Operation: 85/17=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 17+85=102, Resulting Numbers: [102] 102,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 27:[90, 12], Operations: ['98-93=5', '17-5=12'] Exploring Operation: 90*12=1080, Resulting Numbers: [1080] 1080,27 unequal: No Solution Exploring Operation: 90-12=78, Resulting Numbers: [78] 78,27 unequal: No Solution Exploring Operation: 90+12=102, Resulting Numbers: [102] 102,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 27:[90, 22], Operations: ['98-93=5', '17+5=22'] Exploring Operation: 90*22=1980, Resulting Numbers: [1980] 1980,27 unequal: No Solution Exploring Operation: 90+22=112, Resulting Numbers: [112] 112,27 unequal: No Solution Exploring Operation: 90-22=68, Resulting Numbers: [68] 68,27 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: 27:[93, 17, 8], Operations: ['98-90=8'] Exploring Operation: 93-17=76, Resulting Numbers: [8, 76] Generated Node #0,1,0: 27:[8, 76] Operation: 93-17=76 Exploring Operation: 17-8=9, Resulting Numbers: [93, 9] Generated Node #0,1,1: 27:[93, 9] Operation: 17-8=9 Exploring Operation: 17+8=25, Resulting Numbers: [93, 25] Generated Node #0,1,2: 27:[93, 25] Operation: 17+8=25 Exploring Operation: 93+8=101, Resulting Numbers: [17, 101] Generated Node #0,1,3: 27:[17, 101] Operation: 93+8=101 Exploring Operation: 93-8=85, Resulting Numbers: [17, 85] Generated Node #0,1,4: 27:[17, 85] Operation: 93-8=85 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 27:[8, 76], Operations: ['98-90=8', '93-17=76'] Exploring Operation: 8+76=84, Resulting Numbers: [84] 84,27 unequal: No Solution Exploring Operation: 8*76=608, Resulting Numbers: [608] 608,27 unequal: No Solution Exploring Operation: 76-8=68, Resulting Numbers: [68] 68,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 27:[93, 9], Operations: ['98-90=8', '17-8=9'] Exploring Operation: 93-9=84, Resulting Numbers: [84] 84,27 unequal: No Solution Exploring Operation: 93+9=102, Resulting Numbers: [102] 102,27 unequal: No Solution Exploring Operation: 93*9=837, Resulting Numbers: [837] 837,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 27:[17, 85], Operations: ['98-90=8', '93-8=85'] Exploring Operation: 17*85=1445, Resulting Numbers: [1445] 1445,27 unequal: No Solution Exploring Operation: 17+85=102, Resulting Numbers: [102] 102,27 unequal: No Solution Exploring Operation: 85/17=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 85-17=68, Resulting Numbers: [68] 68,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 27:[93, 25], Operations: ['98-90=8', '17+8=25'] Exploring Operation: 93*25=2325, Resulting Numbers: [2325] 2325,27 unequal: No Solution Exploring Operation: 93+25=118, Resulting Numbers: [118] 118,27 unequal: No Solution Exploring Operation: 93-25=68, Resulting Numbers: [68] 68,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 27:[17, 101], Operations: ['98-90=8', '93+8=101'] Exploring Operation: 17*101=1717, Resulting Numbers: [1717] 1717,27 unequal: No Solution Exploring Operation: 17+101=118, Resulting Numbers: [118] 118,27 unequal: No Solution Exploring Operation: 101-17=84, Resulting Numbers: [84] 84,27 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: 27:[17, 98, 3], Operations: ['93-90=3'] Exploring Operation: 17-3=14, Resulting Numbers: [98, 14] Generated Node #0,0,0: 27:[98, 14] Operation: 17-3=14 Exploring Operation: 98-3=95, Resulting Numbers: [17, 95] Generated Node #0,0,1: 27:[17, 95] Operation: 98-3=95 Exploring Operation: 17+3=20, Resulting Numbers: [98, 20] Generated Node #0,0,2: 27:[98, 20] Operation: 17+3=20 Exploring Operation: 98+3=101, Resulting Numbers: [17, 101] Generated Node #0,0,3: 27:[17, 101] Operation: 98+3=101 Exploring Operation: 98-17=81, Resulting Numbers: [3, 81] Generated Node #0,0,4: 27:[3, 81] Operation: 98-17=81 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 27:[3, 81], Operations: ['93-90=3', '98-17=81'] Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,27 unequal: No Solution Exploring Operation: 3*81=243, Resulting Numbers: [243] 243,27 unequal: No Solution Exploring Operation: 3+81=84, Resulting Numbers: [84] 84,27 unequal: No Solution Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[93, 90, 17, 98], Operations: [] Exploring Operation: 93-90=3, Resulting Numbers: [17, 98, 3] Generated Node #0,0: 27:[17, 98, 3] Operation: 93-90=3 Moving to Node #0,0 Current State: 27:[17, 98, 3], Operations: ['93-90=3'] Exploring Operation: 98-17=81, Resulting Numbers: [3, 81] Generated Node #0,0,4: 27:[3, 81] Operation: 98-17=81 Moving to Node #0,0,4 Current State: 27:[3, 81], Operations: ['93-90=3', '98-17=81'] Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.947917
hs_5
mult_heuristic
[ 59, 15, 66, 21 ]
12
[ "66-59=7", "21/7=3", "15-3=12" ]
Current State: 12:[59, 15, 66, 21], Operations: [] Exploring Operation: 66-59=7, Resulting Numbers: [15, 21, 7] Generated Node #2: [15, 21, 7] from Operation: 66-59=7 Current State: 12:[15, 21, 7], Operations: ['66-59=7'] Exploring Operation: 21/7=3, Resulting Numbers: [15, 3] Generated Node #3: [15, 3] from Operation: 21/7=3 Current State: 12:[15, 3], Operations: ['66-59=7', '21/7=3'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[59, 15, 66, 21], Operations: [] Exploring Operation: 66-59=7, Resulting Numbers: [15, 21, 7] Generated Node #0,0: 12:[15, 21, 7] Operation: 66-59=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[15, 21, 7], Operations: ['66-59=7'] Exploring Operation: 21-15=6, Resulting Numbers: [7, 6] Generated Node #0,0,0: 12:[7, 6] Operation: 21-15=6 Moving to Node #0,0,0 Current State: 12:[7, 6], Operations: ['66-59=7', '21-15=6'] Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,12 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
[ 22, 71, 4, 13 ]
73
[ "22+4=26", "26/13=2", "71+2=73" ]
Current State: 73:[22, 71, 4, 13], Operations: [] Exploring Operation: 22+4=26, Resulting Numbers: [71, 13, 26] Generated Node #2: [71, 13, 26] from Operation: 22+4=26 Current State: 73:[71, 13, 26], Operations: ['22+4=26'] Exploring Operation: 26/13=2, Resulting Numbers: [71, 2] Generated Node #3: [71, 2] from Operation: 26/13=2 Current State: 73:[71, 2], Operations: ['22+4=26', '26/13=2'] Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[22, 71, 4, 13], Operations: [] Exploring Operation: 22*4=88, Resulting Numbers: [71, 13, 88] Generated Node #0,0: 73:[71, 13, 88] Operation: 22*4=88 Exploring Operation: 4*13=52, Resulting Numbers: [22, 71, 52] Generated Node #0,1: 73:[22, 71, 52] Operation: 4*13=52 Exploring Operation: 22+4=26, Resulting Numbers: [71, 13, 26] Generated Node #0,2: 73:[71, 13, 26] Operation: 22+4=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[22, 71, 52], Operations: ['4*13=52'] Exploring Operation: 22+71=93, Resulting Numbers: [52, 93] Generated Node #0,1,0: 73:[52, 93] Operation: 22+71=93 Exploring Operation: 71-22=49, Resulting Numbers: [52, 49] Generated Node #0,1,1: 73:[52, 49] Operation: 71-22=49 Exploring Operation: 22+52=74, Resulting Numbers: [71, 74] Generated Node #0,1,2: 73:[71, 74] Operation: 22+52=74 Moving to Node #0,1,2 Current State: 73:[71, 74], Operations: ['4*13=52', '22+52=74'] Exploring Operation: 71+74=145, Resulting Numbers: [145] 145,73 unequal: No Solution Exploring Operation: 74-71=3, Resulting Numbers: [3] 3,73 unequal: No Solution Exploring Operation: 71*74=5254, Resulting Numbers: [5254] 5254,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[52, 93], Operations: ['4*13=52', '22+71=93'] Exploring Operation: 93-52=41, Resulting Numbers: [41] 41,73 unequal: No Solution Exploring Operation: 52+93=145, Resulting Numbers: [145] 145,73 unequal: No Solution Exploring Operation: 52*93=4836, Resulting Numbers: [4836] 4836,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[52, 49], Operations: ['4*13=52', '71-22=49'] Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,73 unequal: No Solution Exploring Operation: 52+49=101, Resulting Numbers: [101] 101,73 unequal: No Solution Exploring Operation: 52*49=2548, Resulting Numbers: [2548] 2548,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[71, 13, 88], Operations: ['22*4=88'] Exploring Operation: 71+13=84, Resulting Numbers: [88, 84] Generated Node #0,0,0: 73:[88, 84] Operation: 71+13=84 Exploring Operation: 71-13=58, Resulting Numbers: [88, 58] Generated Node #0,0,1: 73:[88, 58] Operation: 71-13=58 Exploring Operation: 88-13=75, Resulting Numbers: [71, 75] Generated Node #0,0,2: 73:[71, 75] Operation: 88-13=75 Moving to Node #0,0,2 Current State: 73:[71, 75], Operations: ['22*4=88', '88-13=75'] Exploring Operation: 71*75=5325, Resulting Numbers: [5325] 5325,73 unequal: No Solution Exploring Operation: 71+75=146, Resulting Numbers: [146] 146,73 unequal: No Solution Exploring Operation: 75-71=4, Resulting Numbers: [4] 4,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[88, 84], Operations: ['22*4=88', '71+13=84'] Exploring Operation: 88+84=172, Resulting Numbers: [172] 172,73 unequal: No Solution Exploring Operation: 88*84=7392, Resulting Numbers: [7392] 7392,73 unequal: No Solution Exploring Operation: 88-84=4, Resulting Numbers: [4] 4,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[88, 58], Operations: ['22*4=88', '71-13=58'] Exploring Operation: 88-58=30, Resulting Numbers: [30] 30,73 unequal: No Solution Exploring Operation: 88*58=5104, Resulting Numbers: [5104] 5104,73 unequal: No Solution Exploring Operation: 88+58=146, Resulting Numbers: [146] 146,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 73:[71, 13, 26], Operations: ['22+4=26'] Exploring Operation: 71-13=58, Resulting Numbers: [26, 58] Generated Node #0,2,0: 73:[26, 58] Operation: 71-13=58 Exploring Operation: 13+26=39, Resulting Numbers: [71, 39] Generated Node #0,2,1: 73:[71, 39] Operation: 13+26=39 Exploring Operation: 71+13=84, Resulting Numbers: [26, 84] Generated Node #0,2,2: 73:[26, 84] Operation: 71+13=84 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 73:[71, 39], Operations: ['22+4=26', '13+26=39'] Exploring Operation: 71+39=110, Resulting Numbers: [110] 110,73 unequal: No Solution Exploring Operation: 71-39=32, Resulting Numbers: [32] 32,73 unequal: No Solution Exploring Operation: 71*39=2769, Resulting Numbers: [2769] 2769,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 73:[26, 84], Operations: ['22+4=26', '71+13=84'] Exploring Operation: 26*84=2184, Resulting Numbers: [2184] 2184,73 unequal: No Solution Exploring Operation: 84-26=58, Resulting Numbers: [58] 58,73 unequal: No Solution Exploring Operation: 26+84=110, Resulting Numbers: [110] 110,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 73:[26, 58], Operations: ['22+4=26', '71-13=58'] Exploring Operation: 58-26=32, Resulting Numbers: [32] 32,73 unequal: No Solution Exploring Operation: 26+58=84, Resulting Numbers: [84] 84,73 unequal: No Solution Exploring Operation: 26*58=1508, Resulting Numbers: [1508] 1508,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 98, 23, 89, 79 ]
47
[ "98+23=121", "89+79=168", "168-121=47" ]
Current State: 47:[98, 23, 89, 79], Operations: [] Exploring Operation: 98+23=121, Resulting Numbers: [89, 79, 121] Generated Node #2: [89, 79, 121] from Operation: 98+23=121 Current State: 47:[89, 79, 121], Operations: ['98+23=121'] Exploring Operation: 89+79=168, Resulting Numbers: [121, 168] Generated Node #3: [121, 168] from Operation: 89+79=168 Current State: 47:[121, 168], Operations: ['98+23=121', '89+79=168'] Exploring Operation: 168-121=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[98, 23, 89, 79], Operations: [] Exploring Operation: 98-89=9, Resulting Numbers: [23, 79, 9] Generated Node #0,0: 47:[23, 79, 9] Operation: 98-89=9 Exploring Operation: 98-79=19, Resulting Numbers: [23, 89, 19] Generated Node #0,1: 47:[23, 89, 19] Operation: 98-79=19 Exploring Operation: 89-23=66, Resulting Numbers: [98, 79, 66] Generated Node #0,2: 47:[98, 79, 66] Operation: 89-23=66 Exploring Operation: 98-23=75, Resulting Numbers: [89, 79, 75] Generated Node #0,3: 47:[89, 79, 75] Operation: 98-23=75 Exploring Operation: 79-23=56, Resulting Numbers: [98, 89, 56] Generated Node #0,4: 47:[98, 89, 56] Operation: 79-23=56 Moving to Node #0,0 Current State: 47:[23, 79, 9], Operations: ['98-89=9'] Exploring Operation: 79-9=70, Resulting Numbers: [23, 70] Generated Node #0,0,0: 47:[23, 70] Operation: 79-9=70 Exploring Operation: 23-9=14, Resulting Numbers: [79, 14] Generated Node #0,0,1: 47:[79, 14] Operation: 23-9=14 Exploring Operation: 79+9=88, Resulting Numbers: [23, 88] Generated Node #0,0,2: 47:[23, 88] Operation: 79+9=88 Exploring Operation: 79-23=56, Resulting Numbers: [9, 56] Generated Node #0,0,3: 47:[9, 56] Operation: 79-23=56 Exploring Operation: 23+9=32, Resulting Numbers: [79, 32] Generated Node #0,0,4: 47:[79, 32] Operation: 23+9=32 Moving to Node #0,1 Current State: 47:[23, 89, 19], Operations: ['98-79=19'] Exploring Operation: 23+19=42, Resulting Numbers: [89, 42] Generated Node #0,1,0: 47:[89, 42] Operation: 23+19=42 Exploring Operation: 23-19=4, Resulting Numbers: [89, 4] Generated Node #0,1,1: 47:[89, 4] Operation: 23-19=4 Exploring Operation: 89-23=66, Resulting Numbers: [19, 66] Generated Node #0,1,2: 47:[19, 66] Operation: 89-23=66 Exploring Operation: 89-19=70, Resulting Numbers: [23, 70] Generated Node #0,1,3: 47:[23, 70] Operation: 89-19=70 Exploring Operation: 89+19=108, Resulting Numbers: [23, 108] Generated Node #0,1,4: 47:[23, 108] Operation: 89+19=108 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 47:[89, 42], Operations: ['98-79=19', '23+19=42'] Exploring Operation: 89*42=3738, Resulting Numbers: [3738] 3738,47 unequal: No Solution Exploring Operation: 89+42=131, Resulting Numbers: [131] 131,47 unequal: No Solution Exploring Operation: 89-42=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[98, 23, 89, 79], Operations: [] Exploring Operation: 98-79=19, Resulting Numbers: [23, 89, 19] Generated Node #0,1: 47:[23, 89, 19] Operation: 98-79=19 Moving to Node #0,1 Current State: 47:[23, 89, 19], Operations: ['98-79=19'] Exploring Operation: 23+19=42, Resulting Numbers: [89, 42] Generated Node #0,1,0: 47:[89, 42] Operation: 23+19=42 Moving to Node #0,1,0 Current State: 47:[89, 42], Operations: ['98-79=19', '23+19=42'] Exploring Operation: 89-42=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 88, 11, 35, 37 ]
75
[ "88-11=77", "37-35=2", "77-2=75" ]
Current State: 75:[88, 11, 35, 37], Operations: [] Exploring Operation: 88-11=77, Resulting Numbers: [35, 37, 77] Generated Node #2: [35, 37, 77] from Operation: 88-11=77 Current State: 75:[35, 37, 77], Operations: ['88-11=77'] Exploring Operation: 37-35=2, Resulting Numbers: [77, 2] Generated Node #3: [77, 2] from Operation: 37-35=2 Current State: 75:[77, 2], Operations: ['88-11=77', '37-35=2'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[88, 11, 35, 37], Operations: [] Exploring Operation: 88-11=77, Resulting Numbers: [35, 37, 77] Generated Node #0,0: 75:[35, 37, 77] Operation: 88-11=77 Exploring Operation: 35+37=72, Resulting Numbers: [88, 11, 72] Generated Node #0,1: 75:[88, 11, 72] Operation: 35+37=72 Exploring Operation: 37-35=2, Resulting Numbers: [88, 11, 2] Generated Node #0,2: 75:[88, 11, 2] Operation: 37-35=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[88, 11, 2], Operations: ['37-35=2'] Exploring Operation: 88/11=8, Resulting Numbers: [2, 8] Generated Node #0,2,0: 75:[2, 8] Operation: 88/11=8 Exploring Operation: 88-11=77, Resulting Numbers: [2, 77] Generated Node #0,2,1: 75:[2, 77] Operation: 88-11=77 Exploring Operation: 88-2=86, Resulting Numbers: [11, 86] Generated Node #0,2,2: 75:[11, 86] Operation: 88-2=86 Moving to Node #0,2,1 Current State: 75:[2, 77], Operations: ['37-35=2', '88-11=77'] Exploring Operation: 2+77=79, Resulting Numbers: [79] 79,75 unequal: No Solution Exploring Operation: 2*77=154, Resulting Numbers: [154] 154,75 unequal: No Solution Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[88, 11, 35, 37], Operations: [] Exploring Operation: 37-35=2, Resulting Numbers: [88, 11, 2] Generated Node #0,2: 75:[88, 11, 2] Operation: 37-35=2 Moving to Node #0,2 Current State: 75:[88, 11, 2], Operations: ['37-35=2'] Exploring Operation: 88-11=77, Resulting Numbers: [2, 77] Generated Node #0,2,1: 75:[2, 77] Operation: 88-11=77 Moving to Node #0,2,1 Current State: 75:[2, 77], Operations: ['37-35=2', '88-11=77'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 13, 14, 96, 26 ]
84
[ "26/13=2", "96-14=82", "2+82=84" ]
Current State: 84:[13, 14, 96, 26], Operations: [] Exploring Operation: 26/13=2, Resulting Numbers: [14, 96, 2] Generated Node #2: [14, 96, 2] from Operation: 26/13=2 Current State: 84:[14, 96, 2], Operations: ['26/13=2'] Exploring Operation: 96-14=82, Resulting Numbers: [2, 82] Generated Node #3: [2, 82] from Operation: 96-14=82 Current State: 84:[2, 82], Operations: ['26/13=2', '96-14=82'] Exploring Operation: 2+82=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[13, 14, 96, 26], Operations: [] Exploring Operation: 96-13=83, Resulting Numbers: [14, 26, 83] Generated Node #0,0: 84:[14, 26, 83] Operation: 96-13=83 Moving to Node #0,0 Current State: 84:[14, 26, 83], Operations: ['96-13=83'] Exploring Operation: 26-14=12, Resulting Numbers: [83, 12] Generated Node #0,0,0: 84:[83, 12] Operation: 26-14=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[83, 12], Operations: ['96-13=83', '26-14=12'] Exploring Operation: 83+12=95, Resulting Numbers: [95] 95,84 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
[ 31, 75, 99, 14 ]
98
[ "31+75=106", "106-99=7", "14*7=98" ]
Current State: 98:[31, 75, 99, 14], Operations: [] Exploring Operation: 31+75=106, Resulting Numbers: [99, 14, 106] Generated Node #2: [99, 14, 106] from Operation: 31+75=106 Current State: 98:[99, 14, 106], Operations: ['31+75=106'] Exploring Operation: 106-99=7, Resulting Numbers: [14, 7] Generated Node #3: [14, 7] from Operation: 106-99=7 Current State: 98:[14, 7], Operations: ['31+75=106', '106-99=7'] Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[31, 75, 99, 14], Operations: [] Exploring Operation: 99-75=24, Resulting Numbers: [31, 14, 24] Generated Node #0,0: 98:[31, 14, 24] Operation: 99-75=24 Exploring Operation: 31+75=106, Resulting Numbers: [99, 14, 106] Generated Node #0,1: 98:[99, 14, 106] Operation: 31+75=106 Exploring Operation: 31-14=17, Resulting Numbers: [75, 99, 17] Generated Node #0,2: 98:[75, 99, 17] Operation: 31-14=17 Exploring Operation: 75+14=89, Resulting Numbers: [31, 99, 89] Generated Node #0,3: 98:[31, 99, 89] Operation: 75+14=89 Exploring Operation: 75-31=44, Resulting Numbers: [99, 14, 44] Generated Node #0,4: 98:[99, 14, 44] Operation: 75-31=44 Moving to Node #0,4 Current State: 98:[99, 14, 44], Operations: ['75-31=44'] Exploring Operation: 99-44=55, Resulting Numbers: [14, 55] Generated Node #0,4,0: 98:[14, 55] Operation: 99-44=55 Exploring Operation: 14+44=58, Resulting Numbers: [99, 58] Generated Node #0,4,1: 98:[99, 58] Operation: 14+44=58 Exploring Operation: 44-14=30, Resulting Numbers: [99, 30] Generated Node #0,4,2: 98:[99, 30] Operation: 44-14=30 Exploring Operation: 99-14=85, Resulting Numbers: [44, 85] Generated Node #0,4,3: 98:[44, 85] Operation: 99-14=85 Exploring Operation: 99+14=113, Resulting Numbers: [44, 113] Generated Node #0,4,4: 98:[44, 113] Operation: 99+14=113 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 98:[14, 55], Operations: ['75-31=44', '99-44=55'] Exploring Operation: 55-14=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 14+55=69, Resulting Numbers: [69] 69,98 unequal: No Solution Exploring Operation: 14*55=770, Resulting Numbers: [770] 770,98 unequal: No Solution No 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: 98:[99, 58], Operations: ['75-31=44', '14+44=58'] Exploring Operation: 99*58=5742, Resulting Numbers: [5742] 5742,98 unequal: No Solution Exploring Operation: 99-58=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 99+58=157, Resulting Numbers: [157] 157,98 unequal: No Solution No 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: 98:[99, 30], Operations: ['75-31=44', '44-14=30'] Exploring Operation: 99+30=129, Resulting Numbers: [129] 129,98 unequal: No Solution Exploring Operation: 99-30=69, Resulting Numbers: [69] 69,98 unequal: No Solution Exploring Operation: 99*30=2970, Resulting Numbers: [2970] 2970,98 unequal: No Solution No 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: 98:[44, 85], Operations: ['75-31=44', '99-14=85'] Exploring Operation: 44*85=3740, Resulting Numbers: [3740] 3740,98 unequal: No Solution Exploring Operation: 44+85=129, Resulting Numbers: [129] 129,98 unequal: No Solution Exploring Operation: 85-44=41, Resulting Numbers: [41] 41,98 unequal: No Solution No 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: 98:[44, 113], Operations: ['75-31=44', '99+14=113'] Exploring Operation: 44+113=157, Resulting Numbers: [157] 157,98 unequal: No Solution Exploring Operation: 44*113=4972, Resulting Numbers: [4972] 4972,98 unequal: No Solution Exploring Operation: 113-44=69, Resulting Numbers: [69] 69,98 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: 98:[99, 14, 106], Operations: ['31+75=106'] Exploring Operation: 99-14=85, Resulting Numbers: [106, 85] Generated Node #0,1,0: 98:[106, 85] Operation: 99-14=85 Exploring Operation: 106-99=7, Resulting Numbers: [14, 7] Generated Node #0,1,1: 98:[14, 7] Operation: 106-99=7 Exploring Operation: 99+14=113, Resulting Numbers: [106, 113] Generated Node #0,1,2: 98:[106, 113] Operation: 99+14=113 Exploring Operation: 106-14=92, Resulting Numbers: [99, 92] Generated Node #0,1,3: 98:[99, 92] Operation: 106-14=92 Exploring Operation: 14+106=120, Resulting Numbers: [99, 120] Generated Node #0,1,4: 98:[99, 120] Operation: 14+106=120 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 98:[14, 7], Operations: ['31+75=106', '106-99=7'] Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 14+7=21, Resulting Numbers: [21] 21,98 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[31, 75, 99, 14], Operations: [] Exploring Operation: 31+75=106, Resulting Numbers: [99, 14, 106] Generated Node #0,1: 98:[99, 14, 106] Operation: 31+75=106 Moving to Node #0,1 Current State: 98:[99, 14, 106], Operations: ['31+75=106'] Exploring Operation: 106-99=7, Resulting Numbers: [14, 7] Generated Node #0,1,1: 98:[14, 7] Operation: 106-99=7 Moving to Node #0,1,1 Current State: 98:[14, 7], Operations: ['31+75=106', '106-99=7'] Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
mult_heuristic
[ 62, 44, 95, 29 ]
18
[ "62+44=106", "95+29=124", "124-106=18" ]
Current State: 18:[62, 44, 95, 29], Operations: [] Exploring Operation: 62+44=106, Resulting Numbers: [95, 29, 106] Generated Node #2: [95, 29, 106] from Operation: 62+44=106 Current State: 18:[95, 29, 106], Operations: ['62+44=106'] Exploring Operation: 95+29=124, Resulting Numbers: [106, 124] Generated Node #3: [106, 124] from Operation: 95+29=124 Current State: 18:[106, 124], Operations: ['62+44=106', '95+29=124'] Exploring Operation: 124-106=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[62, 44, 95, 29], Operations: [] Exploring Operation: 95-62=33, Resulting Numbers: [44, 29, 33] Generated Node #0,0: 18:[44, 29, 33] Operation: 95-62=33 Exploring Operation: 62-44=18, Resulting Numbers: [95, 29, 18] Generated Node #0,1: 18:[95, 29, 18] Operation: 62-44=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[44, 29, 33], Operations: ['95-62=33'] Exploring Operation: 44-33=11, Resulting Numbers: [29, 11] Generated Node #0,0,0: 18:[29, 11] Operation: 44-33=11 Exploring Operation: 44-29=15, Resulting Numbers: [33, 15] Generated Node #0,0,1: 18:[33, 15] Operation: 44-29=15 Moving to Node #0,0,0 Current State: 18:[29, 11], Operations: ['95-62=33', '44-33=11'] Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[62, 44, 95, 29], Operations: [] Exploring Operation: 95-62=33, Resulting Numbers: [44, 29, 33] Generated Node #0,0: 18:[44, 29, 33] Operation: 95-62=33 Moving to Node #0,0 Current State: 18:[44, 29, 33], Operations: ['95-62=33'] Exploring Operation: 44-33=11, Resulting Numbers: [29, 11] Generated Node #0,0,0: 18:[29, 11] Operation: 44-33=11 Moving to Node #0,0,0 Current State: 18:[29, 11], Operations: ['95-62=33', '44-33=11'] Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 48, 68, 29, 25 ]
74
[ "68-48=20", "29+25=54", "20+54=74" ]
Current State: 74:[48, 68, 29, 25], Operations: [] Exploring Operation: 68-48=20, Resulting Numbers: [29, 25, 20] Generated Node #2: [29, 25, 20] from Operation: 68-48=20 Current State: 74:[29, 25, 20], Operations: ['68-48=20'] Exploring Operation: 29+25=54, Resulting Numbers: [20, 54] Generated Node #3: [20, 54] from Operation: 29+25=54 Current State: 74:[20, 54], Operations: ['68-48=20', '29+25=54'] Exploring Operation: 20+54=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[48, 68, 29, 25], Operations: [] Exploring Operation: 48+25=73, Resulting Numbers: [68, 29, 73] Generated Node #0,0: 74:[68, 29, 73] Operation: 48+25=73 Exploring Operation: 68-25=43, Resulting Numbers: [48, 29, 43] Generated Node #0,1: 74:[48, 29, 43] Operation: 68-25=43 Exploring Operation: 29-25=4, Resulting Numbers: [48, 68, 4] Generated Node #0,2: 74:[48, 68, 4] Operation: 29-25=4 Exploring Operation: 48+29=77, Resulting Numbers: [68, 25, 77] Generated Node #0,3: 74:[68, 25, 77] Operation: 48+29=77 Exploring Operation: 68-29=39, Resulting Numbers: [48, 25, 39] Generated Node #0,4: 74:[48, 25, 39] Operation: 68-29=39 Moving to Node #0,0 Current State: 74:[68, 29, 73], Operations: ['48+25=73'] Exploring Operation: 29+73=102, Resulting Numbers: [68, 102] Generated Node #0,0,0: 74:[68, 102] Operation: 29+73=102 Exploring Operation: 73-68=5, Resulting Numbers: [29, 5] Generated Node #0,0,1: 74:[29, 5] Operation: 73-68=5 Exploring Operation: 68-29=39, Resulting Numbers: [73, 39] Generated Node #0,0,2: 74:[73, 39] Operation: 68-29=39 Exploring Operation: 73-29=44, Resulting Numbers: [68, 44] Generated Node #0,0,3: 74:[68, 44] Operation: 73-29=44 Exploring Operation: 68+29=97, Resulting Numbers: [73, 97] Generated Node #0,0,4: 74:[73, 97] Operation: 68+29=97 Moving to Node #0,2 Current State: 74:[48, 68, 4], Operations: ['29-25=4'] Exploring Operation: 48/4=12, Resulting Numbers: [68, 12] Generated Node #0,2,0: 74:[68, 12] Operation: 48/4=12 Exploring Operation: 48-4=44, Resulting Numbers: [68, 44] Generated Node #0,2,1: 74:[68, 44] Operation: 48-4=44 Exploring Operation: 68+4=72, Resulting Numbers: [48, 72] Generated Node #0,2,2: 74:[48, 72] Operation: 68+4=72 Exploring Operation: 68-48=20, Resulting Numbers: [4, 20] Generated Node #0,2,3: 74:[4, 20] Operation: 68-48=20 Exploring Operation: 48+4=52, Resulting Numbers: [68, 52] Generated Node #0,2,4: 74:[68, 52] Operation: 48+4=52 Moving to Node #0,3 Current State: 74:[68, 25, 77], Operations: ['48+29=77'] Exploring Operation: 25+77=102, Resulting Numbers: [68, 102] Generated Node #0,3,0: 74:[68, 102] Operation: 25+77=102 Exploring Operation: 68-25=43, Resulting Numbers: [77, 43] Generated Node #0,3,1: 74:[77, 43] Operation: 68-25=43 Exploring Operation: 77-25=52, Resulting Numbers: [68, 52] Generated Node #0,3,2: 74:[68, 52] Operation: 77-25=52 Exploring Operation: 77-68=9, Resulting Numbers: [25, 9] Generated Node #0,3,3: 74:[25, 9] Operation: 77-68=9 Exploring Operation: 68+25=93, Resulting Numbers: [77, 93] Generated Node #0,3,4: 74:[77, 93] Operation: 68+25=93 Moving to Node #0,1 Current State: 74:[48, 29, 43], Operations: ['68-25=43'] Exploring Operation: 48+29=77, Resulting Numbers: [43, 77] Generated Node #0,1,0: 74:[43, 77] Operation: 48+29=77 Exploring Operation: 48-29=19, Resulting Numbers: [43, 19] Generated Node #0,1,1: 74:[43, 19] Operation: 48-29=19 Exploring Operation: 43-29=14, Resulting Numbers: [48, 14] Generated Node #0,1,2: 74:[48, 14] Operation: 43-29=14 Exploring Operation: 29+43=72, Resulting Numbers: [48, 72] Generated Node #0,1,3: 74:[48, 72] Operation: 29+43=72 Exploring Operation: 48-43=5, Resulting Numbers: [29, 5] Generated Node #0,1,4: 74:[29, 5] Operation: 48-43=5 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 74:[43, 77], Operations: ['68-25=43', '48+29=77'] Exploring Operation: 43+77=120, Resulting Numbers: [120] 120,74 unequal: No Solution Exploring Operation: 77-43=34, Resulting Numbers: [34] 34,74 unequal: No Solution Exploring Operation: 43*77=3311, Resulting Numbers: [3311] 3311,74 unequal: No Solution No 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: 74:[29, 5], Operations: ['68-25=43', '48-43=5'] Exploring Operation: 29+5=34, Resulting Numbers: [34] 34,74 unequal: No Solution Exploring Operation: 29*5=145, Resulting Numbers: [145] 145,74 unequal: No Solution Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,74 unequal: No Solution No 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: 74:[48, 72], Operations: ['68-25=43', '29+43=72'] Exploring Operation: 72-48=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 48*72=3456, Resulting Numbers: [3456] 3456,74 unequal: No Solution Exploring Operation: 48+72=120, Resulting Numbers: [120] 120,74 unequal: No Solution No 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: 74:[43, 19], Operations: ['68-25=43', '48-29=19'] Exploring Operation: 43*19=817, Resulting Numbers: [817] 817,74 unequal: No Solution Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 43+19=62, Resulting Numbers: [62] 62,74 unequal: No Solution No 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: 74:[48, 14], Operations: ['68-25=43', '43-29=14'] Exploring Operation: 48*14=672, Resulting Numbers: [672] 672,74 unequal: No Solution Exploring Operation: 48+14=62, Resulting Numbers: [62] 62,74 unequal: No Solution Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,74 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: 74:[48, 25, 39], Operations: ['68-29=39'] Exploring Operation: 48-25=23, Resulting Numbers: [39, 23] Generated Node #0,4,0: 74:[39, 23] Operation: 48-25=23 Exploring Operation: 48-39=9, Resulting Numbers: [25, 9] Generated Node #0,4,1: 74:[25, 9] Operation: 48-39=9 Exploring Operation: 25+39=64, Resulting Numbers: [48, 64] Generated Node #0,4,2: 74:[48, 64] Operation: 25+39=64 Exploring Operation: 39-25=14, Resulting Numbers: [48, 14] Generated Node #0,4,3: 74:[48, 14] Operation: 39-25=14 Exploring Operation: 48+25=73, Resulting Numbers: [39, 73] Generated Node #0,4,4: 74:[39, 73] Operation: 48+25=73 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 74:[39, 73], Operations: ['68-29=39', '48+25=73'] Exploring Operation: 39*73=2847, Resulting Numbers: [2847] 2847,74 unequal: No Solution Exploring Operation: 39+73=112, Resulting Numbers: [112] 112,74 unequal: No Solution Exploring Operation: 73-39=34, Resulting Numbers: [34] 34,74 unequal: No Solution No 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: 74:[39, 23], Operations: ['68-29=39', '48-25=23'] Exploring Operation: 39*23=897, Resulting Numbers: [897] 897,74 unequal: No Solution Exploring Operation: 39-23=16, Resulting Numbers: [16] 16,74 unequal: No Solution Exploring Operation: 39+23=62, Resulting Numbers: [62] 62,74 unequal: No Solution No 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: 74:[25, 9], Operations: ['68-29=39', '48-39=9'] Exploring Operation: 25*9=225, Resulting Numbers: [225] 225,74 unequal: No Solution Exploring Operation: 25+9=34, Resulting Numbers: [34] 34,74 unequal: No Solution Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,74 unequal: No Solution No 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: 74:[48, 64], Operations: ['68-29=39', '25+39=64'] Exploring Operation: 64-48=16, Resulting Numbers: [16] 16,74 unequal: No Solution Exploring Operation: 48+64=112, Resulting Numbers: [112] 112,74 unequal: No Solution Exploring Operation: 48*64=3072, Resulting Numbers: [3072] 3072,74 unequal: No Solution No 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: 74:[48, 14], Operations: ['68-29=39', '39-25=14'] Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,74 unequal: No Solution Exploring Operation: 48*14=672, Resulting Numbers: [672] 672,74 unequal: No Solution Exploring Operation: 48+14=62, Resulting Numbers: [62] 62,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 74:[73, 39], Operations: ['48+25=73', '68-29=39'] Exploring Operation: 73-39=34, Resulting Numbers: [34] 34,74 unequal: No Solution Exploring Operation: 73*39=2847, Resulting Numbers: [2847] 2847,74 unequal: No Solution Exploring Operation: 73+39=112, Resulting Numbers: [112] 112,74 unequal: No Solution Moving to Node #0,3,1 Current State: 74:[77, 43], Operations: ['48+29=77', '68-25=43'] Exploring Operation: 77*43=3311, Resulting Numbers: [3311] 3311,74 unequal: No Solution Exploring Operation: 77-43=34, Resulting Numbers: [34] 34,74 unequal: No Solution Exploring Operation: 77+43=120, Resulting Numbers: [120] 120,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[29, 5], Operations: ['48+25=73', '73-68=5'] Exploring Operation: 29+5=34, Resulting Numbers: [34] 34,74 unequal: No Solution Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 29*5=145, Resulting Numbers: [145] 145,74 unequal: No Solution Moving to Node #0,0,3 Current State: 74:[68, 44], Operations: ['48+25=73', '73-29=44'] Exploring Operation: 68*44=2992, Resulting Numbers: [2992] 2992,74 unequal: No Solution Exploring Operation: 68-44=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 68+44=112, Resulting Numbers: [112] 112,74 unequal: No Solution Moving to Node #0,2,2 Current State: 74:[48, 72], Operations: ['29-25=4', '68+4=72'] Exploring Operation: 48*72=3456, Resulting Numbers: [3456] 3456,74 unequal: No Solution Exploring Operation: 48+72=120, Resulting Numbers: [120] 120,74 unequal: No Solution Exploring Operation: 72-48=24, Resulting Numbers: [24] 24,74 unequal: No Solution Moving to Node #0,2,1 Current State: 74:[68, 44], Operations: ['29-25=4', '48-4=44'] Exploring Operation: 68-44=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 68+44=112, Resulting Numbers: [112] 112,74 unequal: No Solution Exploring Operation: 68*44=2992, Resulting Numbers: [2992] 2992,74 unequal: No Solution Moving to Node #0,2,0 Current State: 74:[68, 12], Operations: ['29-25=4', '48/4=12'] Exploring Operation: 68-12=56, Resulting Numbers: [56] 56,74 unequal: No Solution Exploring Operation: 68+12=80, Resulting Numbers: [80] 80,74 unequal: No Solution Exploring Operation: 68*12=816, Resulting Numbers: [816] 816,74 unequal: No Solution Moving to Node #0,3,3 Current State: 74:[25, 9], Operations: ['48+29=77', '77-68=9'] Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,74 unequal: No Solution Exploring Operation: 25*9=225, Resulting Numbers: [225] 225,74 unequal: No Solution Exploring Operation: 25+9=34, Resulting Numbers: [34] 34,74 unequal: No Solution Moving to Node #0,2,3 Current State: 74:[4, 20], Operations: ['29-25=4', '68-48=20'] Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 4*20=80, Resulting Numbers: [80] 80,74 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,74 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,74 unequal: No Solution Moving to Node #0,3,2 Current State: 74:[68, 52], Operations: ['48+29=77', '77-25=52'] Exploring Operation: 68*52=3536, Resulting Numbers: [3536] 3536,74 unequal: No Solution Exploring Operation: 68-52=16, Resulting Numbers: [16] 16,74 unequal: No Solution Exploring Operation: 68+52=120, Resulting Numbers: [120] 120,74 unequal: No Solution Moving to Node #0,2,4 Current State: 74:[68, 52], Operations: ['29-25=4', '48+4=52'] Exploring Operation: 68-52=16, Resulting Numbers: [16] 16,74 unequal: No Solution Exploring Operation: 68+52=120, Resulting Numbers: [120] 120,74 unequal: No Solution Exploring Operation: 68*52=3536, Resulting Numbers: [3536] 3536,74 unequal: No Solution Moving to Node #0,3,4 Current State: 74:[77, 93], Operations: ['48+29=77', '68+25=93'] Exploring Operation: 93-77=16, Resulting Numbers: [16] 16,74 unequal: No Solution Exploring Operation: 77+93=170, Resulting Numbers: [170] 170,74 unequal: No Solution Exploring Operation: 77*93=7161, Resulting Numbers: [7161] 7161,74 unequal: No Solution Moving to Node #0,0,4 Current State: 74:[73, 97], Operations: ['48+25=73', '68+29=97'] Exploring Operation: 97-73=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 73+97=170, Resulting Numbers: [170] 170,74 unequal: No Solution Exploring Operation: 73*97=7081, Resulting Numbers: [7081] 7081,74 unequal: No Solution Moving to Node #0,0,0 Current State: 74:[68, 102], Operations: ['48+25=73', '29+73=102'] Exploring Operation: 102-68=34, Resulting Numbers: [34] 34,74 unequal: No Solution Exploring Operation: 68*102=6936, Resulting Numbers: [6936] 6936,74 unequal: No Solution Exploring Operation: 68+102=170, Resulting Numbers: [170] 170,74 unequal: No Solution Moving to Node #0,3,0 Current State: 74:[68, 102], Operations: ['48+29=77', '25+77=102'] Exploring Operation: 68*102=6936, Resulting Numbers: [6936] 6936,74 unequal: No Solution Exploring Operation: 102-68=34, Resulting Numbers: [34] 34,74 unequal: No Solution Exploring Operation: 68+102=170, Resulting Numbers: [170] 170,74 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 32, 91, 21, 49 ]
30
[ "91-49=42", "42/21=2", "32-2=30" ]
Current State: 30:[32, 91, 21, 49], Operations: [] Exploring Operation: 91-49=42, Resulting Numbers: [32, 21, 42] Generated Node #2: [32, 21, 42] from Operation: 91-49=42 Current State: 30:[32, 21, 42], Operations: ['91-49=42'] Exploring Operation: 42/21=2, Resulting Numbers: [32, 2] Generated Node #3: [32, 2] from Operation: 42/21=2 Current State: 30:[32, 2], Operations: ['91-49=42', '42/21=2'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[32, 91, 21, 49], Operations: [] Exploring Operation: 91-49=42, Resulting Numbers: [32, 21, 42] Generated Node #0,0: 30:[32, 21, 42] Operation: 91-49=42 Exploring Operation: 91-32=59, Resulting Numbers: [21, 49, 59] Generated Node #0,1: 30:[21, 49, 59] Operation: 91-32=59 Moving to Node #0,0 Current State: 30:[32, 21, 42], Operations: ['91-49=42'] Exploring Operation: 42-32=10, Resulting Numbers: [21, 10] Generated Node #0,0,0: 30:[21, 10] Operation: 42-32=10 Exploring Operation: 42/21=2, Resulting Numbers: [32, 2] Generated Node #0,0,1: 30:[32, 2] Operation: 42/21=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 30:[32, 2], Operations: ['91-49=42', '42/21=2'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,30 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[32, 91, 21, 49], Operations: [] Exploring Operation: 91-49=42, Resulting Numbers: [32, 21, 42] Generated Node #0,0: 30:[32, 21, 42] Operation: 91-49=42 Moving to Node #0,0 Current State: 30:[32, 21, 42], Operations: ['91-49=42'] Exploring Operation: 42/21=2, Resulting Numbers: [32, 2] Generated Node #0,0,1: 30:[32, 2] Operation: 42/21=2 Moving to Node #0,0,1 Current State: 30:[32, 2], Operations: ['91-49=42', '42/21=2'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 31, 21, 98, 65 ]
23
[ "31-21=10", "98-65=33", "33-10=23" ]
Current State: 23:[31, 21, 98, 65], Operations: [] Exploring Operation: 31-21=10, Resulting Numbers: [98, 65, 10] Generated Node #2: [98, 65, 10] from Operation: 31-21=10 Current State: 23:[98, 65, 10], Operations: ['31-21=10'] Exploring Operation: 98-65=33, Resulting Numbers: [10, 33] Generated Node #3: [10, 33] from Operation: 98-65=33 Current State: 23:[10, 33], Operations: ['31-21=10', '98-65=33'] Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[31, 21, 98, 65], Operations: [] Exploring Operation: 65-21=44, Resulting Numbers: [31, 98, 44] Generated Node #0,0: 23:[31, 98, 44] Operation: 65-21=44 Exploring Operation: 65-31=34, Resulting Numbers: [21, 98, 34] Generated Node #0,1: 23:[21, 98, 34] Operation: 65-31=34 Exploring Operation: 98-31=67, Resulting Numbers: [21, 65, 67] Generated Node #0,2: 23:[21, 65, 67] Operation: 98-31=67 Exploring Operation: 98-65=33, Resulting Numbers: [31, 21, 33] Generated Node #0,3: 23:[31, 21, 33] Operation: 98-65=33 Exploring Operation: 98-21=77, Resulting Numbers: [31, 65, 77] Generated Node #0,4: 23:[31, 65, 77] Operation: 98-21=77 Moving to Node #0,3 Current State: 23:[31, 21, 33], Operations: ['98-65=33'] Exploring Operation: 31+21=52, Resulting Numbers: [33, 52] Generated Node #0,3,0: 23:[33, 52] Operation: 31+21=52 Exploring Operation: 31-21=10, Resulting Numbers: [33, 10] Generated Node #0,3,1: 23:[33, 10] Operation: 31-21=10 Exploring Operation: 33-21=12, Resulting Numbers: [31, 12] Generated Node #0,3,2: 23:[31, 12] Operation: 33-21=12 Exploring Operation: 21+33=54, Resulting Numbers: [31, 54] Generated Node #0,3,3: 23:[31, 54] Operation: 21+33=54 Exploring Operation: 33-31=2, Resulting Numbers: [21, 2] Generated Node #0,3,4: 23:[21, 2] Operation: 33-31=2 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 23:[31, 12], Operations: ['98-65=33', '33-21=12'] Exploring Operation: 31+12=43, Resulting Numbers: [43] 43,23 unequal: No Solution Exploring Operation: 31*12=372, Resulting Numbers: [372] 372,23 unequal: No Solution Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 23:[33, 10], Operations: ['98-65=33', '31-21=10'] Exploring Operation: 33+10=43, Resulting Numbers: [43] 43,23 unequal: No Solution Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[31, 21, 98, 65], Operations: [] Exploring Operation: 98-65=33, Resulting Numbers: [31, 21, 33] Generated Node #0,3: 23:[31, 21, 33] Operation: 98-65=33 Moving to Node #0,3 Current State: 23:[31, 21, 33], Operations: ['98-65=33'] Exploring Operation: 31-21=10, Resulting Numbers: [33, 10] Generated Node #0,3,1: 23:[33, 10] Operation: 31-21=10 Moving to Node #0,3,1 Current State: 23:[33, 10], Operations: ['98-65=33', '31-21=10'] Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 17, 18, 25, 8 ]
46
[ "25-17=8", "8*8=64", "64-18=46" ]
Current State: 46:[17, 18, 25, 8], Operations: [] Exploring Operation: 25-17=8, Resulting Numbers: [18, 8, 8] Generated Node #2: [18, 8, 8] from Operation: 25-17=8 Current State: 46:[18, 8, 8], Operations: ['25-17=8'] Exploring Operation: 8*8=64, Resulting Numbers: [18, 64] Generated Node #3: [18, 64] from Operation: 8*8=64 Current State: 46:[18, 64], Operations: ['25-17=8', '8*8=64'] Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[17, 18, 25, 8], Operations: [] Exploring Operation: 18-17=1, Resulting Numbers: [25, 8, 1] Generated Node #0,0: 46:[25, 8, 1] Operation: 18-17=1 Exploring Operation: 17-8=9, Resulting Numbers: [18, 25, 9] Generated Node #0,1: 46:[18, 25, 9] Operation: 17-8=9 Exploring Operation: 18+8=26, Resulting Numbers: [17, 25, 26] Generated Node #0,2: 46:[17, 25, 26] Operation: 18+8=26 Exploring Operation: 17+8=25, Resulting Numbers: [18, 25, 25] Generated Node #0,3: 46:[18, 25, 25] Operation: 17+8=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[25, 8, 1], Operations: ['18-17=1'] Exploring Operation: 25-8=17, Resulting Numbers: [1, 17] Generated Node #0,0,0: 46:[1, 17] Operation: 25-8=17 Exploring Operation: 25*1=25, Resulting Numbers: [8, 25] Generated Node #0,0,1: 46:[8, 25] Operation: 25*1=25 Exploring Operation: 25-1=24, Resulting Numbers: [8, 24] Generated Node #0,0,2: 46:[8, 24] Operation: 25-1=24 Exploring Operation: 8-1=7, Resulting Numbers: [25, 7] Generated Node #0,0,3: 46:[25, 7] Operation: 8-1=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 46:[1, 17], Operations: ['18-17=1', '25-8=17'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 1*17=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 1+17=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 46:[8, 24], Operations: ['18-17=1', '25-1=24'] Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 8*24=192, Resulting Numbers: [192] 192,46 unequal: No Solution Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 46:[25, 7], Operations: ['18-17=1', '8-1=7'] Exploring Operation: 25*7=175, Resulting Numbers: [175] 175,46 unequal: No Solution Exploring Operation: 25+7=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 46:[8, 25], Operations: ['18-17=1', '25*1=25'] Exploring Operation: 8+25=33, Resulting Numbers: [33] 33,46 unequal: No Solution Exploring Operation: 8*25=200, Resulting Numbers: [200] 200,46 unequal: No Solution Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 46:[18, 25, 25], Operations: ['17+8=25'] Exploring Operation: 25/25=1, Resulting Numbers: [18, 1] Generated Node #0,3,0: 46:[18, 1] Operation: 25/25=1 Exploring Operation: 25-18=7, Resulting Numbers: [25, 7] Generated Node #0,3,1: 46:[25, 7] Operation: 25-18=7 Exploring Operation: 18+25=43, Resulting Numbers: [25, 43] Generated Node #0,3,2: 46:[25, 43] Operation: 18+25=43 Exploring Operation: 18+25=43, Resulting Numbers: [25, 43] Generated Node #0,3,3: 46:[25, 43] Operation: 18+25=43 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 46:[25, 43], Operations: ['17+8=25', '18+25=43'] Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 25+43=68, Resulting Numbers: [68] 68,46 unequal: No Solution Exploring Operation: 25*43=1075, Resulting Numbers: [1075] 1075,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 46:[25, 43], Operations: ['17+8=25', '18+25=43'] Exploring Operation: 25*43=1075, Resulting Numbers: [1075] 1075,46 unequal: No Solution Exploring Operation: 25+43=68, Resulting Numbers: [68] 68,46 unequal: No Solution Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 46:[18, 1], Operations: ['17+8=25', '25/25=1'] Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,46 unequal: No Solution Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 46:[25, 7], Operations: ['17+8=25', '25-18=7'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 25*7=175, Resulting Numbers: [175] 175,46 unequal: No Solution Exploring Operation: 25+7=32, Resulting Numbers: [32] 32,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[17, 25, 26], Operations: ['18+8=26'] Exploring Operation: 26-25=1, Resulting Numbers: [17, 1] Generated Node #0,2,0: 46:[17, 1] Operation: 26-25=1 Exploring Operation: 25-17=8, Resulting Numbers: [26, 8] Generated Node #0,2,1: 46:[26, 8] Operation: 25-17=8 Exploring Operation: 17+25=42, Resulting Numbers: [26, 42] Generated Node #0,2,2: 46:[26, 42] Operation: 17+25=42 Exploring Operation: 17+26=43, Resulting Numbers: [25, 43] Generated Node #0,2,3: 46:[25, 43] Operation: 17+26=43 Moving to Node #0,2,3 Current State: 46:[25, 43], Operations: ['18+8=26', '17+26=43'] Exploring Operation: 25+43=68, Resulting Numbers: [68] 68,46 unequal: No Solution Exploring Operation: 25*43=1075, Resulting Numbers: [1075] 1075,46 unequal: No Solution Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,46 unequal: No Solution Moving to Node #0,2,2 Current State: 46:[26, 42], Operations: ['18+8=26', '17+25=42'] Exploring Operation: 26*42=1092, Resulting Numbers: [1092] 1092,46 unequal: No Solution Exploring Operation: 26+42=68, Resulting Numbers: [68] 68,46 unequal: No Solution Exploring Operation: 42-26=16, Resulting Numbers: [16] 16,46 unequal: No Solution Moving to Node #0,2,0 Current State: 46:[17, 1], Operations: ['18+8=26', '26-25=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,46 unequal: No Solution Moving to Node #0,2,1 Current State: 46:[26, 8], Operations: ['18+8=26', '25-17=8'] Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 26*8=208, Resulting Numbers: [208] 208,46 unequal: No Solution Exploring Operation: 26+8=34, Resulting Numbers: [34] 34,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[18, 25, 9], Operations: ['17-8=9'] Exploring Operation: 18+25=43, Resulting Numbers: [9, 43] Generated Node #0,1,0: 46:[9, 43] Operation: 18+25=43 Exploring Operation: 18/9=2, Resulting Numbers: [25, 2] Generated Node #0,1,1: 46:[25, 2] Operation: 18/9=2 Exploring Operation: 18+9=27, Resulting Numbers: [25, 27] Generated Node #0,1,2: 46:[25, 27] Operation: 18+9=27 Exploring Operation: 18-9=9, Resulting Numbers: [25, 9] Generated Node #0,1,3: 46:[25, 9] Operation: 18-9=9 Moving to Node #0,1,1 Current State: 46:[25, 2], Operations: ['17-8=9', '18/9=2'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,46 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,46 unequal: No Solution Moving to Node #0,1,2 Current State: 46:[25, 27], Operations: ['17-8=9', '18+9=27'] Exploring Operation: 25*27=675, Resulting Numbers: [675] 675,46 unequal: No Solution Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,46 unequal: No Solution Exploring Operation: 25+27=52, Resulting Numbers: [52] 52,46 unequal: No Solution Moving to Node #0,1,3 Current State: 46:[25, 9], Operations: ['17-8=9', '18-9=9'] Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 25*9=225, Resulting Numbers: [225] 225,46 unequal: No Solution Exploring Operation: 25+9=34, Resulting Numbers: [34] 34,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[9, 43], Operations: ['17-8=9', '18+25=43'] Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,46 unequal: No Solution Exploring Operation: 9+43=52, Resulting Numbers: [52] 52,46 unequal: No Solution Exploring Operation: 9*43=387, Resulting Numbers: [387] 387,46 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
[ 59, 44, 73, 37 ]
71
[ "59-37=22", "44/22=2", "73-2=71" ]
Current State: 71:[59, 44, 73, 37], Operations: [] Exploring Operation: 59-37=22, Resulting Numbers: [44, 73, 22] Generated Node #2: [44, 73, 22] from Operation: 59-37=22 Current State: 71:[44, 73, 22], Operations: ['59-37=22'] Exploring Operation: 44/22=2, Resulting Numbers: [73, 2] Generated Node #3: [73, 2] from Operation: 44/22=2 Current State: 71:[73, 2], Operations: ['59-37=22', '44/22=2'] Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[59, 44, 73, 37], Operations: [] Exploring Operation: 59+44=103, Resulting Numbers: [73, 37, 103] Generated Node #0,0: 71:[73, 37, 103] Operation: 59+44=103 Exploring Operation: 73-37=36, Resulting Numbers: [59, 44, 36] Generated Node #0,1: 71:[59, 44, 36] Operation: 73-37=36 Exploring Operation: 59+37=96, Resulting Numbers: [44, 73, 96] Generated Node #0,2: 71:[44, 73, 96] Operation: 59+37=96 Exploring Operation: 44+37=81, Resulting Numbers: [59, 73, 81] Generated Node #0,3: 71:[59, 73, 81] Operation: 44+37=81 Start Sub Search at level 1: Moving to Node #0,3 Current State: 71:[59, 73, 81], Operations: ['44+37=81'] Exploring Operation: 59+73=132, Resulting Numbers: [81, 132] Generated Node #0,3,0: 71:[81, 132] Operation: 59+73=132 Exploring Operation: 81-59=22, Resulting Numbers: [73, 22] Generated Node #0,3,1: 71:[73, 22] Operation: 81-59=22 Exploring Operation: 73-59=14, Resulting Numbers: [81, 14] Generated Node #0,3,2: 71:[81, 14] Operation: 73-59=14 Exploring Operation: 59+81=140, Resulting Numbers: [73, 140] Generated Node #0,3,3: 71:[73, 140] Operation: 59+81=140 Moving to Node #0,3,1 Current State: 71:[73, 22], Operations: ['44+37=81', '81-59=22'] Exploring Operation: 73-22=51, Resulting Numbers: [51] 51,71 unequal: No Solution Exploring Operation: 73*22=1606, Resulting Numbers: [1606] 1606,71 unequal: No Solution Exploring Operation: 73+22=95, Resulting Numbers: [95] 95,71 unequal: No Solution Moving to Node #0,3,2 Current State: 71:[81, 14], Operations: ['44+37=81', '73-59=14'] Exploring Operation: 81-14=67, Resulting Numbers: [67] 67,71 unequal: No Solution Exploring Operation: 81+14=95, Resulting Numbers: [95] 95,71 unequal: No Solution Exploring Operation: 81*14=1134, Resulting Numbers: [1134] 1134,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[73, 140], Operations: ['44+37=81', '59+81=140'] Exploring Operation: 73+140=213, Resulting Numbers: [213] 213,71 unequal: No Solution Exploring Operation: 140-73=67, Resulting Numbers: [67] 67,71 unequal: No Solution Exploring Operation: 73*140=10220, Resulting Numbers: [10220] 10220,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[81, 132], Operations: ['44+37=81', '59+73=132'] Exploring Operation: 132-81=51, Resulting Numbers: [51] 51,71 unequal: No Solution Exploring Operation: 81*132=10692, Resulting Numbers: [10692] 10692,71 unequal: No Solution Exploring Operation: 81+132=213, Resulting Numbers: [213] 213,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[44, 73, 96], Operations: ['59+37=96'] Exploring Operation: 73-44=29, Resulting Numbers: [96, 29] Generated Node #0,2,0: 71:[96, 29] Operation: 73-44=29 Exploring Operation: 96-44=52, Resulting Numbers: [73, 52] Generated Node #0,2,1: 71:[73, 52] Operation: 96-44=52 Exploring Operation: 44+73=117, Resulting Numbers: [96, 117] Generated Node #0,2,2: 71:[96, 117] Operation: 44+73=117 Exploring Operation: 44+96=140, Resulting Numbers: [73, 140] Generated Node #0,2,3: 71:[73, 140] Operation: 44+96=140 Moving to Node #0,2,1 Current State: 71:[73, 52], Operations: ['59+37=96', '96-44=52'] Exploring Operation: 73-52=21, Resulting Numbers: [21] 21,71 unequal: No Solution Exploring Operation: 73*52=3796, Resulting Numbers: [3796] 3796,71 unequal: No Solution Exploring Operation: 73+52=125, Resulting Numbers: [125] 125,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[96, 29], Operations: ['59+37=96', '73-44=29'] Exploring Operation: 96+29=125, Resulting Numbers: [125] 125,71 unequal: No Solution Exploring Operation: 96-29=67, Resulting Numbers: [67] 67,71 unequal: No Solution Exploring Operation: 96*29=2784, Resulting Numbers: [2784] 2784,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[73, 140], Operations: ['59+37=96', '44+96=140'] Exploring Operation: 140-73=67, Resulting Numbers: [67] 67,71 unequal: No Solution Exploring Operation: 73*140=10220, Resulting Numbers: [10220] 10220,71 unequal: No Solution Exploring Operation: 73+140=213, Resulting Numbers: [213] 213,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[96, 117], Operations: ['59+37=96', '44+73=117'] Exploring Operation: 117-96=21, Resulting Numbers: [21] 21,71 unequal: No Solution Exploring Operation: 96+117=213, Resulting Numbers: [213] 213,71 unequal: No Solution Exploring Operation: 96*117=11232, Resulting Numbers: [11232] 11232,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[73, 37, 103], Operations: ['59+44=103'] Exploring Operation: 73-37=36, Resulting Numbers: [103, 36] Generated Node #0,0,0: 71:[103, 36] Operation: 73-37=36 Exploring Operation: 103-37=66, Resulting Numbers: [73, 66] Generated Node #0,0,1: 71:[73, 66] Operation: 103-37=66 Exploring Operation: 37+103=140, Resulting Numbers: [73, 140] Generated Node #0,0,2: 71:[73, 140] Operation: 37+103=140 Exploring Operation: 73+37=110, Resulting Numbers: [103, 110] Generated Node #0,0,3: 71:[103, 110] Operation: 73+37=110 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 71:[73, 66], Operations: ['59+44=103', '103-37=66'] Exploring Operation: 73*66=4818, Resulting Numbers: [4818] 4818,71 unequal: No Solution Exploring Operation: 73-66=7, Resulting Numbers: [7] 7,71 unequal: No Solution Exploring Operation: 73+66=139, Resulting Numbers: [139] 139,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[103, 36], Operations: ['59+44=103', '73-37=36'] Exploring Operation: 103+36=139, Resulting Numbers: [139] 139,71 unequal: No Solution Exploring Operation: 103-36=67, Resulting Numbers: [67] 67,71 unequal: No Solution Exploring Operation: 103*36=3708, Resulting Numbers: [3708] 3708,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 71:[73, 140], Operations: ['59+44=103', '37+103=140'] Exploring Operation: 73+140=213, Resulting Numbers: [213] 213,71 unequal: No Solution Exploring Operation: 140-73=67, Resulting Numbers: [67] 67,71 unequal: No Solution Exploring Operation: 73*140=10220, Resulting Numbers: [10220] 10220,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 71:[103, 110], Operations: ['59+44=103', '73+37=110'] Exploring Operation: 103+110=213, Resulting Numbers: [213] 213,71 unequal: No Solution Exploring Operation: 103*110=11330, Resulting Numbers: [11330] 11330,71 unequal: No Solution Exploring Operation: 110-103=7, Resulting Numbers: [7] 7,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[59, 44, 36], Operations: ['73-37=36'] Exploring Operation: 44+36=80, Resulting Numbers: [59, 80] Generated Node #0,1,0: 71:[59, 80] Operation: 44+36=80 Exploring Operation: 59+44=103, Resulting Numbers: [36, 103] Generated Node #0,1,1: 71:[36, 103] Operation: 59+44=103 Exploring Operation: 59-36=23, Resulting Numbers: [44, 23] Generated Node #0,1,2: 71:[44, 23] Operation: 59-36=23 Exploring Operation: 59+36=95, Resulting Numbers: [44, 95] Generated Node #0,1,3: 71:[44, 95] Operation: 59+36=95 Moving to Node #0,1,0 Current State: 71:[59, 80], Operations: ['73-37=36', '44+36=80'] Exploring Operation: 80-59=21, Resulting Numbers: [21] 21,71 unequal: No Solution Exploring Operation: 59*80=4720, Resulting Numbers: [4720] 4720,71 unequal: No Solution Exploring Operation: 59+80=139, Resulting Numbers: [139] 139,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[44, 95], Operations: ['73-37=36', '59+36=95'] Exploring Operation: 44*95=4180, Resulting Numbers: [4180] 4180,71 unequal: No Solution Exploring Operation: 95-44=51, Resulting Numbers: [51] 51,71 unequal: No Solution Exploring Operation: 44+95=139, Resulting Numbers: [139] 139,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[36, 103], Operations: ['73-37=36', '59+44=103'] Exploring Operation: 36*103=3708, Resulting Numbers: [3708] 3708,71 unequal: No Solution Exploring Operation: 36+103=139, Resulting Numbers: [139] 139,71 unequal: No Solution Exploring Operation: 103-36=67, Resulting Numbers: [67] 67,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[44, 23], Operations: ['73-37=36', '59-36=23'] Exploring Operation: 44*23=1012, Resulting Numbers: [1012] 1012,71 unequal: No Solution Exploring Operation: 44-23=21, Resulting Numbers: [21] 21,71 unequal: No Solution Exploring Operation: 44+23=67, Resulting Numbers: [67] 67,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 11, 72, 44, 70 ]
88
[ "11*72=792", "792/44=18", "70+18=88" ]
Current State: 88:[11, 72, 44, 70], Operations: [] Exploring Operation: 11*72=792, Resulting Numbers: [44, 70, 792] Generated Node #2: [44, 70, 792] from Operation: 11*72=792 Current State: 88:[44, 70, 792], Operations: ['11*72=792'] Exploring Operation: 792/44=18, Resulting Numbers: [70, 18] Generated Node #3: [70, 18] from Operation: 792/44=18 Current State: 88:[70, 18], Operations: ['11*72=792', '792/44=18'] Exploring Operation: 70+18=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[11, 72, 44, 70], Operations: [] Exploring Operation: 11+72=83, Resulting Numbers: [44, 70, 83] Generated Node #0,0: 88:[44, 70, 83] Operation: 11+72=83 Exploring Operation: 11+70=81, Resulting Numbers: [72, 44, 81] Generated Node #0,1: 88:[72, 44, 81] Operation: 11+70=81 Exploring Operation: 70-44=26, Resulting Numbers: [11, 72, 26] Generated Node #0,2: 88:[11, 72, 26] Operation: 70-44=26 Exploring Operation: 72-70=2, Resulting Numbers: [11, 44, 2] Generated Node #0,3: 88:[11, 44, 2] Operation: 72-70=2 Start Sub Search at level 1: Moving to Node #0,3 Current State: 88:[11, 44, 2], Operations: ['72-70=2'] Exploring Operation: 44/2=22, Resulting Numbers: [11, 22] Generated Node #0,3,0: 88:[11, 22] Operation: 44/2=22 Exploring Operation: 44/11=4, Resulting Numbers: [2, 4] Generated Node #0,3,1: 88:[2, 4] Operation: 44/11=4 Exploring Operation: 44*2=88, Resulting Numbers: [11, 88] Generated Node #0,3,2: 88:[11, 88] Operation: 44*2=88 Exploring Operation: 11*2=22, Resulting Numbers: [44, 22] Generated Node #0,3,3: 88:[44, 22] Operation: 11*2=22 Moving to Node #0,3,0 Current State: 88:[11, 22], Operations: ['72-70=2', '44/2=22'] Exploring Operation: 11*22=242, Resulting Numbers: [242] 242,88 unequal: No Solution Exploring Operation: 11+22=33, Resulting Numbers: [33] 33,88 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,88 unequal: No Solution Moving to Node #0,3,2 Current State: 88:[11, 88], Operations: ['72-70=2', '44*2=88'] Exploring Operation: 11*88=968, Resulting Numbers: [968] 968,88 unequal: No Solution Exploring Operation: 11+88=99, Resulting Numbers: [99] 99,88 unequal: No Solution Exploring Operation: 88/11=8, Resulting Numbers: [8] 8,88 unequal: No Solution Exploring Operation: 88-11=77, Resulting Numbers: [77] 77,88 unequal: No Solution Moving to Node #0,3,1 Current State: 88:[2, 4], Operations: ['72-70=2', '44/11=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,88 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,88 unequal: No Solution Moving to Node #0,3,3 Current State: 88:[44, 22], Operations: ['72-70=2', '11*2=22'] Exploring Operation: 44-22=22, Resulting Numbers: [22] 22,88 unequal: No Solution Exploring Operation: 44+22=66, Resulting Numbers: [66] 66,88 unequal: No Solution Exploring Operation: 44/22=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 44*22=968, Resulting Numbers: [968] 968,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 88:[11, 72, 26], Operations: ['70-44=26'] Exploring Operation: 11+72=83, Resulting Numbers: [26, 83] Generated Node #0,2,0: 88:[26, 83] Operation: 11+72=83 Exploring Operation: 26-11=15, Resulting Numbers: [72, 15] Generated Node #0,2,1: 88:[72, 15] Operation: 26-11=15 Exploring Operation: 72-26=46, Resulting Numbers: [11, 46] Generated Node #0,2,2: 88:[11, 46] Operation: 72-26=46 Exploring Operation: 72+26=98, Resulting Numbers: [11, 98] Generated Node #0,2,3: 88:[11, 98] Operation: 72+26=98 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 88:[11, 46], Operations: ['70-44=26', '72-26=46'] Exploring Operation: 11+46=57, Resulting Numbers: [57] 57,88 unequal: No Solution Exploring Operation: 46-11=35, Resulting Numbers: [35] 35,88 unequal: No Solution Exploring Operation: 11*46=506, Resulting Numbers: [506] 506,88 unequal: No Solution No 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: 88:[26, 83], Operations: ['70-44=26', '11+72=83'] Exploring Operation: 26*83=2158, Resulting Numbers: [2158] 2158,88 unequal: No Solution Exploring Operation: 83-26=57, Resulting Numbers: [57] 57,88 unequal: No Solution Exploring Operation: 26+83=109, Resulting Numbers: [109] 109,88 unequal: No Solution No 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: 88:[11, 98], Operations: ['70-44=26', '72+26=98'] Exploring Operation: 11*98=1078, Resulting Numbers: [1078] 1078,88 unequal: No Solution Exploring Operation: 11+98=109, Resulting Numbers: [109] 109,88 unequal: No Solution Exploring Operation: 98-11=87, Resulting Numbers: [87] 87,88 unequal: No Solution No 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: 88:[72, 15], Operations: ['70-44=26', '26-11=15'] Exploring Operation: 72-15=57, Resulting Numbers: [57] 57,88 unequal: No Solution Exploring Operation: 72+15=87, Resulting Numbers: [87] 87,88 unequal: No Solution Exploring Operation: 72*15=1080, Resulting Numbers: [1080] 1080,88 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: 88:[44, 70, 83], Operations: ['11+72=83'] Exploring Operation: 83-44=39, Resulting Numbers: [70, 39] Generated Node #0,0,0: 88:[70, 39] Operation: 83-44=39 Exploring Operation: 44+70=114, Resulting Numbers: [83, 114] Generated Node #0,0,1: 88:[83, 114] Operation: 44+70=114 Exploring Operation: 70-44=26, Resulting Numbers: [83, 26] Generated Node #0,0,2: 88:[83, 26] Operation: 70-44=26 Exploring Operation: 83-70=13, Resulting Numbers: [44, 13] Generated Node #0,0,3: 88:[44, 13] Operation: 83-70=13 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 88:[44, 13], Operations: ['11+72=83', '83-70=13'] Exploring Operation: 44+13=57, Resulting Numbers: [57] 57,88 unequal: No Solution Exploring Operation: 44*13=572, Resulting Numbers: [572] 572,88 unequal: No Solution Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,88 unequal: No Solution No 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: 88:[83, 26], Operations: ['11+72=83', '70-44=26'] Exploring Operation: 83*26=2158, Resulting Numbers: [2158] 2158,88 unequal: No Solution Exploring Operation: 83+26=109, Resulting Numbers: [109] 109,88 unequal: No Solution Exploring Operation: 83-26=57, Resulting Numbers: [57] 57,88 unequal: No Solution No 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: 88:[70, 39], Operations: ['11+72=83', '83-44=39'] Exploring Operation: 70-39=31, Resulting Numbers: [31] 31,88 unequal: No Solution Exploring Operation: 70*39=2730, Resulting Numbers: [2730] 2730,88 unequal: No Solution Exploring Operation: 70+39=109, Resulting Numbers: [109] 109,88 unequal: No Solution No 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: 88:[83, 114], Operations: ['11+72=83', '44+70=114'] Exploring Operation: 114-83=31, Resulting Numbers: [31] 31,88 unequal: No Solution Exploring Operation: 83+114=197, Resulting Numbers: [197] 197,88 unequal: No Solution Exploring Operation: 83*114=9462, Resulting Numbers: [9462] 9462,88 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: 88:[72, 44, 81], Operations: ['11+70=81'] Exploring Operation: 81-72=9, Resulting Numbers: [44, 9] Generated Node #0,1,0: 88:[44, 9] Operation: 81-72=9 Exploring Operation: 72+44=116, Resulting Numbers: [81, 116] Generated Node #0,1,1: 88:[81, 116] Operation: 72+44=116 Exploring Operation: 72-44=28, Resulting Numbers: [81, 28] Generated Node #0,1,2: 88:[81, 28] Operation: 72-44=28 Exploring Operation: 81-44=37, Resulting Numbers: [72, 37] Generated Node #0,1,3: 88:[72, 37] Operation: 81-44=37 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 88:[44, 9], Operations: ['11+70=81', '81-72=9'] Exploring Operation: 44+9=53, Resulting Numbers: [53] 53,88 unequal: No Solution Exploring Operation: 44*9=396, Resulting Numbers: [396] 396,88 unequal: No Solution Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,88 unequal: No Solution No 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: 88:[81, 28], Operations: ['11+70=81', '72-44=28'] Exploring Operation: 81+28=109, Resulting Numbers: [109] 109,88 unequal: No Solution Exploring Operation: 81-28=53, Resulting Numbers: [53] 53,88 unequal: No Solution Exploring Operation: 81*28=2268, Resulting Numbers: [2268] 2268,88 unequal: No Solution No 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: 88:[72, 37], Operations: ['11+70=81', '81-44=37'] Exploring Operation: 72+37=109, Resulting Numbers: [109] 109,88 unequal: No Solution Exploring Operation: 72*37=2664, Resulting Numbers: [2664] 2664,88 unequal: No Solution Exploring Operation: 72-37=35, Resulting Numbers: [35] 35,88 unequal: No Solution No 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: 88:[81, 116], Operations: ['11+70=81', '72+44=116'] Exploring Operation: 81*116=9396, Resulting Numbers: [9396] 9396,88 unequal: No Solution Exploring Operation: 81+116=197, Resulting Numbers: [197] 197,88 unequal: No Solution Exploring Operation: 116-81=35, Resulting Numbers: [35] 35,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 9, 88, 38, 2 ]
30
[ "38-9=29", "2*29=58", "88-58=30" ]
Current State: 30:[9, 88, 38, 2], Operations: [] Exploring Operation: 38-9=29, Resulting Numbers: [88, 2, 29] Generated Node #2: [88, 2, 29] from Operation: 38-9=29 Current State: 30:[88, 2, 29], Operations: ['38-9=29'] Exploring Operation: 2*29=58, Resulting Numbers: [88, 58] Generated Node #3: [88, 58] from Operation: 2*29=58 Current State: 30:[88, 58], Operations: ['38-9=29', '2*29=58'] Exploring Operation: 88-58=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[9, 88, 38, 2], Operations: [] Exploring Operation: 88-38=50, Resulting Numbers: [9, 2, 50] Generated Node #0,0: 30:[9, 2, 50] Operation: 88-38=50 Exploring Operation: 88-9=79, Resulting Numbers: [38, 2, 79] Generated Node #0,1: 30:[38, 2, 79] Operation: 88-9=79 Exploring Operation: 88/2=44, Resulting Numbers: [9, 38, 44] Generated Node #0,2: 30:[9, 38, 44] Operation: 88/2=44 Moving to Node #0,0 Current State: 30:[9, 2, 50], Operations: ['88-38=50'] Exploring Operation: 50-9=41, Resulting Numbers: [2, 41] Generated Node #0,0,0: 30:[2, 41] Operation: 50-9=41 Exploring Operation: 50-2=48, Resulting Numbers: [9, 48] Generated Node #0,0,1: 30:[9, 48] Operation: 50-2=48 Exploring Operation: 50/2=25, Resulting Numbers: [9, 25] Generated Node #0,0,2: 30:[9, 25] Operation: 50/2=25 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 30:[9, 25], Operations: ['88-38=50', '50/2=25'] Exploring Operation: 9+25=34, Resulting Numbers: [34] 34,30 unequal: No Solution Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,30 unequal: No Solution Exploring Operation: 9*25=225, Resulting Numbers: [225] 225,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[2, 41], Operations: ['88-38=50', '50-9=41'] Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,30 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 30:[9, 48], Operations: ['88-38=50', '50-2=48'] Exploring Operation: 9*48=432, Resulting Numbers: [432] 432,30 unequal: No Solution Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 9+48=57, Resulting Numbers: [57] 57,30 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: 30:[9, 38, 44], Operations: ['88/2=44'] Exploring Operation: 44-38=6, Resulting Numbers: [9, 6] Generated Node #0,2,0: 30:[9, 6] Operation: 44-38=6 Exploring Operation: 38-9=29, Resulting Numbers: [44, 29] Generated Node #0,2,1: 30:[44, 29] Operation: 38-9=29 Exploring Operation: 44-9=35, Resulting Numbers: [38, 35] Generated Node #0,2,2: 30:[38, 35] Operation: 44-9=35 Moving to Node #0,1 Current State: 30:[38, 2, 79], Operations: ['88-9=79'] Exploring Operation: 79-38=41, Resulting Numbers: [2, 41] Generated Node #0,1,0: 30:[2, 41] Operation: 79-38=41 Exploring Operation: 38/2=19, Resulting Numbers: [79, 19] Generated Node #0,1,1: 30:[79, 19] Operation: 38/2=19 Exploring Operation: 38-2=36, Resulting Numbers: [79, 36] Generated Node #0,1,2: 30:[79, 36] Operation: 38-2=36 Moving to Node #0,2,0 Current State: 30:[9, 6], Operations: ['88/2=44', '44-38=6'] Exploring Operation: 9+6=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,30 unequal: No Solution Moving to Node #0,1,0 Current State: 30:[2, 41], Operations: ['88-9=79', '79-38=41'] Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,30 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,30 unequal: No Solution Moving to Node #0,2,2 Current State: 30:[38, 35], Operations: ['88/2=44', '44-9=35'] Exploring Operation: 38+35=73, Resulting Numbers: [73] 73,30 unequal: No Solution Exploring Operation: 38*35=1330, Resulting Numbers: [1330] 1330,30 unequal: No Solution Exploring Operation: 38-35=3, Resulting Numbers: [3] 3,30 unequal: No Solution Moving to Node #0,2,1 Current State: 30:[44, 29], Operations: ['88/2=44', '38-9=29'] Exploring Operation: 44+29=73, Resulting Numbers: [73] 73,30 unequal: No Solution Exploring Operation: 44*29=1276, Resulting Numbers: [1276] 1276,30 unequal: No Solution Exploring Operation: 44-29=15, Resulting Numbers: [15] 15,30 unequal: No Solution Moving to Node #0,1,1 Current State: 30:[79, 19], Operations: ['88-9=79', '38/2=19'] Exploring Operation: 79-19=60, Resulting Numbers: [60] 60,30 unequal: No Solution Exploring Operation: 79*19=1501, Resulting Numbers: [1501] 1501,30 unequal: No Solution Exploring Operation: 79+19=98, Resulting Numbers: [98] 98,30 unequal: No Solution Moving to Node #0,1,2 Current State: 30:[79, 36], Operations: ['88-9=79', '38-2=36'] Exploring Operation: 79*36=2844, Resulting Numbers: [2844] 2844,30 unequal: No Solution Exploring Operation: 79-36=43, Resulting Numbers: [43] 43,30 unequal: No Solution Exploring Operation: 79+36=115, Resulting Numbers: [115] 115,30 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 38, 62, 68, 31 ]
87
[ "38*31=1178", "1178/62=19", "68+19=87" ]
Current State: 87:[38, 62, 68, 31], Operations: [] Exploring Operation: 38*31=1178, Resulting Numbers: [62, 68, 1178] Generated Node #2: [62, 68, 1178] from Operation: 38*31=1178 Current State: 87:[62, 68, 1178], Operations: ['38*31=1178'] Exploring Operation: 1178/62=19, Resulting Numbers: [68, 19] Generated Node #3: [68, 19] from Operation: 1178/62=19 Current State: 87:[68, 19], Operations: ['38*31=1178', '1178/62=19'] Exploring Operation: 68+19=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[38, 62, 68, 31], Operations: [] Exploring Operation: 62-38=24, Resulting Numbers: [68, 31, 24] Generated Node #0,0: 87:[68, 31, 24] Operation: 62-38=24 Exploring Operation: 68-62=6, Resulting Numbers: [38, 31, 6] Generated Node #0,1: 87:[38, 31, 6] Operation: 68-62=6 Moving to Node #0,1 Current State: 87:[38, 31, 6], Operations: ['68-62=6'] Exploring Operation: 38-31=7, Resulting Numbers: [6, 7] Generated Node #0,1,0: 87:[6, 7] Operation: 38-31=7 Exploring Operation: 38-6=32, Resulting Numbers: [31, 32] Generated Node #0,1,1: 87:[31, 32] Operation: 38-6=32 Moving to Node #0,0 Current State: 87:[68, 31, 24], Operations: ['62-38=24'] Exploring Operation: 68-31=37, Resulting Numbers: [24, 37] Generated Node #0,0,0: 87:[24, 37] Operation: 68-31=37 Exploring Operation: 68+24=92, Resulting Numbers: [31, 92] Generated Node #0,0,1: 87:[31, 92] Operation: 68+24=92 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[31, 92], Operations: ['62-38=24', '68+24=92'] Exploring Operation: 92-31=61, Resulting Numbers: [61] 61,87 unequal: No Solution Exploring Operation: 31+92=123, Resulting Numbers: [123] 123,87 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 #0,0,0 Current State: 87:[24, 37], Operations: ['62-38=24', '68-31=37'] Exploring Operation: 24+37=61, Resulting Numbers: [61] 61,87 unequal: No Solution Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,87 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: 87:[31, 32], Operations: ['68-62=6', '38-6=32'] Exploring Operation: 31+32=63, Resulting Numbers: [63] 63,87 unequal: No Solution Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,87 unequal: No Solution Moving to Node #0,1,0 Current State: 87:[6, 7], Operations: ['68-62=6', '38-31=7'] Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,87 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,87 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 10, 42, 61, 40 ]
66
[ "42-40=2", "10/2=5", "61+5=66" ]
Current State: 66:[10, 42, 61, 40], Operations: [] Exploring Operation: 42-40=2, Resulting Numbers: [10, 61, 2] Generated Node #2: [10, 61, 2] from Operation: 42-40=2 Current State: 66:[10, 61, 2], Operations: ['42-40=2'] Exploring Operation: 10/2=5, Resulting Numbers: [61, 5] Generated Node #3: [61, 5] from Operation: 10/2=5 Current State: 66:[61, 5], Operations: ['42-40=2', '10/2=5'] Exploring Operation: 61+5=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[10, 42, 61, 40], Operations: [] Exploring Operation: 42-40=2, Resulting Numbers: [10, 61, 2] Generated Node #0,0: 66:[10, 61, 2] Operation: 42-40=2 Exploring Operation: 61-42=19, Resulting Numbers: [10, 40, 19] Generated Node #0,1: 66:[10, 40, 19] Operation: 61-42=19 Exploring Operation: 61-40=21, Resulting Numbers: [10, 42, 21] Generated Node #0,2: 66:[10, 42, 21] Operation: 61-40=21 Moving to Node #0,0 Current State: 66:[10, 61, 2], Operations: ['42-40=2'] Exploring Operation: 61+2=63, Resulting Numbers: [10, 63] Generated Node #0,0,0: 66:[10, 63] Operation: 61+2=63 Exploring Operation: 10+2=12, Resulting Numbers: [61, 12] Generated Node #0,0,1: 66:[61, 12] Operation: 10+2=12 Exploring Operation: 10+61=71, Resulting Numbers: [2, 71] Generated Node #0,0,2: 66:[2, 71] Operation: 10+61=71 Moving to Node #0,1 Current State: 66:[10, 40, 19], Operations: ['61-42=19'] Exploring Operation: 40-19=21, Resulting Numbers: [10, 21] Generated Node #0,1,0: 66:[10, 21] Operation: 40-19=21 Exploring Operation: 40-10=30, Resulting Numbers: [19, 30] Generated Node #0,1,1: 66:[19, 30] Operation: 40-10=30 Exploring Operation: 40/10=4, Resulting Numbers: [19, 4] Generated Node #0,1,2: 66:[19, 4] Operation: 40/10=4 Moving to Node #0,2 Current State: 66:[10, 42, 21], Operations: ['61-40=21'] Exploring Operation: 42-21=21, Resulting Numbers: [10, 21] Generated Node #0,2,0: 66:[10, 21] Operation: 42-21=21 Exploring Operation: 42-10=32, Resulting Numbers: [21, 32] Generated Node #0,2,1: 66:[21, 32] Operation: 42-10=32 Exploring Operation: 42/21=2, Resulting Numbers: [10, 2] Generated Node #0,2,2: 66:[10, 2] Operation: 42/21=2 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 66:[10, 2], Operations: ['61-40=21', '42/21=2'] Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,66 unequal: No Solution Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,66 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 66:[10, 21], Operations: ['61-40=21', '42-21=21'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,66 unequal: No Solution Exploring Operation: 10*21=210, Resulting Numbers: [210] 210,66 unequal: No Solution Exploring Operation: 10+21=31, Resulting Numbers: [31] 31,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 66:[21, 32], Operations: ['61-40=21', '42-10=32'] Exploring Operation: 32-21=11, Resulting Numbers: [11] 11,66 unequal: No Solution Exploring Operation: 21+32=53, Resulting Numbers: [53] 53,66 unequal: No Solution Exploring Operation: 21*32=672, Resulting Numbers: [672] 672,66 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: 66:[10, 21], Operations: ['61-42=19', '40-19=21'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,66 unequal: No Solution Exploring Operation: 10*21=210, Resulting Numbers: [210] 210,66 unequal: No Solution Exploring Operation: 10+21=31, Resulting Numbers: [31] 31,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[10, 63], Operations: ['42-40=2', '61+2=63'] Exploring Operation: 63-10=53, Resulting Numbers: [53] 53,66 unequal: No Solution Exploring Operation: 10+63=73, Resulting Numbers: [73] 73,66 unequal: No Solution Exploring Operation: 10*63=630, Resulting Numbers: [630] 630,66 unequal: No Solution Moving to Node #0,1,2 Current State: 66:[19, 4], Operations: ['61-42=19', '40/10=4'] Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,66 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,66 unequal: No Solution Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,66 unequal: No Solution Moving to Node #0,0,2 Current State: 66:[2, 71], Operations: ['42-40=2', '10+61=71'] Exploring Operation: 2*71=142, Resulting Numbers: [142] 142,66 unequal: No Solution Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,66 unequal: No Solution Exploring Operation: 2+71=73, Resulting Numbers: [73] 73,66 unequal: No Solution Moving to Node #0,1,1 Current State: 66:[19, 30], Operations: ['61-42=19', '40-10=30'] Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,66 unequal: No Solution Exploring Operation: 19+30=49, Resulting Numbers: [49] 49,66 unequal: No Solution Exploring Operation: 19*30=570, Resulting Numbers: [570] 570,66 unequal: No Solution Moving to Node #0,0,1 Current State: 66:[61, 12], Operations: ['42-40=2', '10+2=12'] Exploring Operation: 61*12=732, Resulting Numbers: [732] 732,66 unequal: No Solution Exploring Operation: 61+12=73, Resulting Numbers: [73] 73,66 unequal: No Solution Exploring Operation: 61-12=49, Resulting Numbers: [49] 49,66 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 5, 84, 59, 42 ]
72
[ "5+84=89", "59-42=17", "89-17=72" ]
Current State: 72:[5, 84, 59, 42], Operations: [] Exploring Operation: 5+84=89, Resulting Numbers: [59, 42, 89] Generated Node #2: [59, 42, 89] from Operation: 5+84=89 Current State: 72:[59, 42, 89], Operations: ['5+84=89'] Exploring Operation: 59-42=17, Resulting Numbers: [89, 17] Generated Node #3: [89, 17] from Operation: 59-42=17 Current State: 72:[89, 17], Operations: ['5+84=89', '59-42=17'] Exploring Operation: 89-17=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[5, 84, 59, 42], Operations: [] Exploring Operation: 84/42=2, Resulting Numbers: [5, 59, 2] Generated Node #0,0: 72:[5, 59, 2] Operation: 84/42=2 Exploring Operation: 84-59=25, Resulting Numbers: [5, 42, 25] Generated Node #0,1: 72:[5, 42, 25] Operation: 84-59=25 Exploring Operation: 59-42=17, Resulting Numbers: [5, 84, 17] Generated Node #0,2: 72:[5, 84, 17] Operation: 59-42=17 Moving to Node #0,1 Current State: 72:[5, 42, 25], Operations: ['84-59=25'] Exploring Operation: 42-25=17, Resulting Numbers: [5, 17] Generated Node #0,1,0: 72:[5, 17] Operation: 42-25=17 Exploring Operation: 42-5=37, Resulting Numbers: [25, 37] Generated Node #0,1,1: 72:[25, 37] Operation: 42-5=37 Exploring Operation: 42+25=67, Resulting Numbers: [5, 67] Generated Node #0,1,2: 72:[5, 67] Operation: 42+25=67 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 72:[5, 17], Operations: ['84-59=25', '42-25=17'] Exploring Operation: 5+17=22, Resulting Numbers: [22] 22,72 unequal: No Solution Exploring Operation: 5*17=85, Resulting Numbers: [85] 85,72 unequal: No Solution Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,72 unequal: No Solution No 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: 72:[25, 37], Operations: ['84-59=25', '42-5=37'] Exploring Operation: 25+37=62, Resulting Numbers: [62] 62,72 unequal: No Solution Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,72 unequal: No Solution Exploring Operation: 25*37=925, Resulting Numbers: [925] 925,72 unequal: No Solution No 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: 72:[5, 67], Operations: ['84-59=25', '42+25=67'] Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,72 unequal: No Solution Exploring Operation: 5*67=335, Resulting Numbers: [335] 335,72 unequal: No Solution Exploring Operation: 5+67=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[5, 84, 59, 42], Operations: [] Exploring Operation: 84-59=25, Resulting Numbers: [5, 42, 25] Generated Node #0,1: 72:[5, 42, 25] Operation: 84-59=25 Moving to Node #0,1 Current State: 72:[5, 42, 25], Operations: ['84-59=25'] Exploring Operation: 42+25=67, Resulting Numbers: [5, 67] Generated Node #0,1,2: 72:[5, 67] Operation: 42+25=67 Moving to Node #0,1,2 Current State: 72:[5, 67], Operations: ['84-59=25', '42+25=67'] Exploring Operation: 5+67=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 54, 48, 21, 69 ]
53
[ "48+21=69", "69/69=1", "54-1=53" ]
Current State: 53:[54, 48, 21, 69], Operations: [] Exploring Operation: 48+21=69, Resulting Numbers: [54, 69, 69] Generated Node #2: [54, 69, 69] from Operation: 48+21=69 Current State: 53:[54, 69, 69], Operations: ['48+21=69'] Exploring Operation: 69/69=1, Resulting Numbers: [54, 1] Generated Node #3: [54, 1] from Operation: 69/69=1 Current State: 53:[54, 1], Operations: ['48+21=69', '69/69=1'] Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[54, 48, 21, 69], Operations: [] Exploring Operation: 48+21=69, Resulting Numbers: [54, 69, 69] Generated Node #0,0: 53:[54, 69, 69] Operation: 48+21=69 Exploring Operation: 54-21=33, Resulting Numbers: [48, 69, 33] Generated Node #0,1: 53:[48, 69, 33] Operation: 54-21=33 Exploring Operation: 69-21=48, Resulting Numbers: [54, 48, 48] Generated Node #0,2: 53:[54, 48, 48] Operation: 69-21=48 Start Sub Search at level 1: Moving to Node #0,2 Current State: 53:[54, 48, 48], Operations: ['69-21=48'] Exploring Operation: 48+48=96, Resulting Numbers: [54, 96] Generated Node #0,2,0: 53:[54, 96] Operation: 48+48=96 Exploring Operation: 54-48=6, Resulting Numbers: [48, 6] Generated Node #0,2,1: 53:[48, 6] Operation: 54-48=6 Exploring Operation: 54-48=6, Resulting Numbers: [48, 6] Generated Node #0,2,2: 53:[48, 6] Operation: 54-48=6 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 53:[54, 96], Operations: ['69-21=48', '48+48=96'] Exploring Operation: 54*96=5184, Resulting Numbers: [5184] 5184,53 unequal: No Solution Exploring Operation: 54+96=150, Resulting Numbers: [150] 150,53 unequal: No Solution Exploring Operation: 96-54=42, Resulting Numbers: [42] 42,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 53:[48, 6], Operations: ['69-21=48', '54-48=6'] Exploring Operation: 48+6=54, Resulting Numbers: [54] 54,53 unequal: No Solution Exploring Operation: 48/6=8, Resulting Numbers: [8] 8,53 unequal: No Solution Exploring Operation: 48-6=42, Resulting Numbers: [42] 42,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 53:[48, 6], Operations: ['69-21=48', '54-48=6'] Exploring Operation: 48+6=54, Resulting Numbers: [54] 54,53 unequal: No Solution Exploring Operation: 48-6=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 48/6=8, Resulting Numbers: [8] 8,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[54, 69, 69], Operations: ['48+21=69'] Exploring Operation: 69-54=15, Resulting Numbers: [69, 15] Generated Node #0,0,0: 53:[69, 15] Operation: 69-54=15 Exploring Operation: 69/69=1, Resulting Numbers: [54, 1] Generated Node #0,0,1: 53:[54, 1] Operation: 69/69=1 Exploring Operation: 69-54=15, Resulting Numbers: [69, 15] Generated Node #0,0,2: 53:[69, 15] Operation: 69-54=15 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[54, 1], Operations: ['48+21=69', '69/69=1'] Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[54, 48, 21, 69], Operations: [] Exploring Operation: 48+21=69, Resulting Numbers: [54, 69, 69] Generated Node #0,0: 53:[54, 69, 69] Operation: 48+21=69 Moving to Node #0,0 Current State: 53:[54, 69, 69], Operations: ['48+21=69'] Exploring Operation: 69/69=1, Resulting Numbers: [54, 1] Generated Node #0,0,1: 53:[54, 1] Operation: 69/69=1 Moving to Node #0,0,1 Current State: 53:[54, 1], Operations: ['48+21=69', '69/69=1'] Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 61, 6, 74, 30 ]
65
[ "74-61=13", "30/6=5", "13*5=65" ]
Current State: 65:[61, 6, 74, 30], Operations: [] Exploring Operation: 74-61=13, Resulting Numbers: [6, 30, 13] Generated Node #2: [6, 30, 13] from Operation: 74-61=13 Current State: 65:[6, 30, 13], Operations: ['74-61=13'] Exploring Operation: 30/6=5, Resulting Numbers: [13, 5] Generated Node #3: [13, 5] from Operation: 30/6=5 Current State: 65:[13, 5], Operations: ['74-61=13', '30/6=5'] Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[61, 6, 74, 30], Operations: [] Exploring Operation: 30/6=5, Resulting Numbers: [61, 74, 5] Generated Node #0,0: 65:[61, 74, 5] Operation: 30/6=5 Exploring Operation: 74-61=13, Resulting Numbers: [6, 30, 13] Generated Node #0,1: 65:[6, 30, 13] Operation: 74-61=13 Moving to Node #0,0 Current State: 65:[61, 74, 5], Operations: ['30/6=5'] Exploring Operation: 74-61=13, Resulting Numbers: [5, 13] Generated Node #0,0,0: 65:[5, 13] Operation: 74-61=13 Exploring Operation: 74-5=69, Resulting Numbers: [61, 69] Generated Node #0,0,1: 65:[61, 69] Operation: 74-5=69 Moving to Node #0,1 Current State: 65:[6, 30, 13], Operations: ['74-61=13'] Exploring Operation: 30/6=5, Resulting Numbers: [13, 5] Generated Node #0,1,0: 65:[13, 5] Operation: 30/6=5 Exploring Operation: 30-13=17, Resulting Numbers: [6, 17] Generated Node #0,1,1: 65:[6, 17] Operation: 30-13=17 Moving to Node #0,0,0 Current State: 65:[5, 13], Operations: ['30/6=5', '74-61=13'] Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[61, 6, 74, 30], Operations: [] Exploring Operation: 30/6=5, Resulting Numbers: [61, 74, 5] Generated Node #0,0: 65:[61, 74, 5] Operation: 30/6=5 Moving to Node #0,0 Current State: 65:[61, 74, 5], Operations: ['30/6=5'] Exploring Operation: 74-61=13, Resulting Numbers: [5, 13] Generated Node #0,0,0: 65:[5, 13] Operation: 74-61=13 Moving to Node #0,0,0 Current State: 65:[5, 13], Operations: ['30/6=5', '74-61=13'] Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 2, 18, 84, 55 ]
20
[ "18/2=9", "84-55=29", "29-9=20" ]
Current State: 20:[2, 18, 84, 55], Operations: [] Exploring Operation: 18/2=9, Resulting Numbers: [84, 55, 9] Generated Node #2: [84, 55, 9] from Operation: 18/2=9 Current State: 20:[84, 55, 9], Operations: ['18/2=9'] Exploring Operation: 84-55=29, Resulting Numbers: [9, 29] Generated Node #3: [9, 29] from Operation: 84-55=29 Current State: 20:[9, 29], Operations: ['18/2=9', '84-55=29'] Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[2, 18, 84, 55], Operations: [] Exploring Operation: 2+18=20, Resulting Numbers: [84, 55, 20] Generated Node #0,0: 20:[84, 55, 20] Operation: 2+18=20 Exploring Operation: 84/2=42, Resulting Numbers: [18, 55, 42] Generated Node #0,1: 20:[18, 55, 42] Operation: 84/2=42 Exploring Operation: 84-55=29, Resulting Numbers: [2, 18, 29] Generated Node #0,2: 20:[2, 18, 29] Operation: 84-55=29 Exploring Operation: 55-18=37, Resulting Numbers: [2, 84, 37] Generated Node #0,3: 20:[2, 84, 37] Operation: 55-18=37 Exploring Operation: 84-18=66, Resulting Numbers: [2, 55, 66] Generated Node #0,4: 20:[2, 55, 66] Operation: 84-18=66 Moving to Node #0,2 Current State: 20:[2, 18, 29], Operations: ['84-55=29'] Exploring Operation: 29-2=27, Resulting Numbers: [18, 27] Generated Node #0,2,0: 20:[18, 27] Operation: 29-2=27 Exploring Operation: 18-2=16, Resulting Numbers: [29, 16] Generated Node #0,2,1: 20:[29, 16] Operation: 18-2=16 Exploring Operation: 2+18=20, Resulting Numbers: [29, 20] Generated Node #0,2,2: 20:[29, 20] Operation: 2+18=20 Exploring Operation: 29-18=11, Resulting Numbers: [2, 11] Generated Node #0,2,3: 20:[2, 11] Operation: 29-18=11 Exploring Operation: 18/2=9, Resulting Numbers: [29, 9] Generated Node #0,2,4: 20:[29, 9] Operation: 18/2=9 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 20:[2, 11], Operations: ['84-55=29', '29-18=11'] Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,20 unequal: No Solution Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 20:[18, 27], Operations: ['84-55=29', '29-2=27'] Exploring Operation: 27-18=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 18+27=45, Resulting Numbers: [45] 45,20 unequal: No Solution Exploring Operation: 18*27=486, Resulting Numbers: [486] 486,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 20:[29, 20], Operations: ['84-55=29', '2+18=20'] Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 29*20=580, Resulting Numbers: [580] 580,20 unequal: No Solution Exploring Operation: 29+20=49, Resulting Numbers: [49] 49,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 20:[29, 9], Operations: ['84-55=29', '18/2=9'] Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[2, 18, 84, 55], Operations: [] Exploring Operation: 84-55=29, Resulting Numbers: [2, 18, 29] Generated Node #0,2: 20:[2, 18, 29] Operation: 84-55=29 Moving to Node #0,2 Current State: 20:[2, 18, 29], Operations: ['84-55=29'] Exploring Operation: 18/2=9, Resulting Numbers: [29, 9] Generated Node #0,2,4: 20:[29, 9] Operation: 18/2=9 Moving to Node #0,2,4 Current State: 20:[29, 9], Operations: ['84-55=29', '18/2=9'] Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_5
mult_heuristic
[ 39, 68, 42, 78 ]
76
[ "39*68=2652", "2652/78=34", "42+34=76" ]
Current State: 76:[39, 68, 42, 78], Operations: [] Exploring Operation: 39*68=2652, Resulting Numbers: [42, 78, 2652] Generated Node #2: [42, 78, 2652] from Operation: 39*68=2652 Current State: 76:[42, 78, 2652], Operations: ['39*68=2652'] Exploring Operation: 2652/78=34, Resulting Numbers: [42, 34] Generated Node #3: [42, 34] from Operation: 2652/78=34 Current State: 76:[42, 34], Operations: ['39*68=2652', '2652/78=34'] Exploring Operation: 42+34=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[39, 68, 42, 78], Operations: [] Exploring Operation: 42-39=3, Resulting Numbers: [68, 78, 3] Generated Node #0,0: 76:[68, 78, 3] Operation: 42-39=3 Exploring Operation: 68-42=26, Resulting Numbers: [39, 78, 26] Generated Node #0,1: 76:[39, 78, 26] Operation: 68-42=26 Moving to Node #0,1 Current State: 76:[39, 78, 26], Operations: ['68-42=26'] Exploring Operation: 78/39=2, Resulting Numbers: [26, 2] Generated Node #0,1,0: 76:[26, 2] Operation: 78/39=2 Exploring Operation: 78/26=3, Resulting Numbers: [39, 3] Generated Node #0,1,1: 76:[39, 3] Operation: 78/26=3 Moving to Node #0,0 Current State: 76:[68, 78, 3], Operations: ['42-39=3'] Exploring Operation: 68+3=71, Resulting Numbers: [78, 71] Generated Node #0,0,0: 76:[78, 71] Operation: 68+3=71 Exploring Operation: 78-68=10, Resulting Numbers: [3, 10] Generated Node #0,0,1: 76:[3, 10] Operation: 78-68=10 Moving to Node #0,1,1 Current State: 76:[39, 3], Operations: ['68-42=26', '78/26=3'] Exploring Operation: 39+3=42, Resulting Numbers: [42] 42,76 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[78, 71], Operations: ['42-39=3', '68+3=71'] Exploring Operation: 78+71=149, Resulting Numbers: [149] 149,76 unequal: No Solution Exploring Operation: 78-71=7, Resulting Numbers: [7] 7,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[26, 2], Operations: ['68-42=26', '78/39=2'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[3, 10], Operations: ['42-39=3', '78-68=10'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,76 unequal: No Solution Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,76 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 99, 36, 16, 22 ]
90
[ "36-16=20", "99*20=1980", "1980/22=90" ]
Current State: 90:[99, 36, 16, 22], Operations: [] Exploring Operation: 36-16=20, Resulting Numbers: [99, 22, 20] Generated Node #2: [99, 22, 20] from Operation: 36-16=20 Current State: 90:[99, 22, 20], Operations: ['36-16=20'] Exploring Operation: 99*20=1980, Resulting Numbers: [22, 1980] Generated Node #3: [22, 1980] from Operation: 99*20=1980 Current State: 90:[22, 1980], Operations: ['36-16=20', '99*20=1980'] Exploring Operation: 1980/22=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[99, 36, 16, 22], Operations: [] Exploring Operation: 36-16=20, Resulting Numbers: [99, 22, 20] Generated Node #0,0: 90:[99, 22, 20] Operation: 36-16=20 Exploring Operation: 99-22=77, Resulting Numbers: [36, 16, 77] Generated Node #0,1: 90:[36, 16, 77] Operation: 99-22=77 Exploring Operation: 22-16=6, Resulting Numbers: [99, 36, 6] Generated Node #0,2: 90:[99, 36, 6] Operation: 22-16=6 Exploring Operation: 36-22=14, Resulting Numbers: [99, 16, 14] Generated Node #0,3: 90:[99, 16, 14] Operation: 36-22=14 Exploring Operation: 99-16=83, Resulting Numbers: [36, 22, 83] Generated Node #0,4: 90:[36, 22, 83] Operation: 99-16=83 Moving to Node #0,3 Current State: 90:[99, 16, 14], Operations: ['36-22=14'] Exploring Operation: 16+14=30, Resulting Numbers: [99, 30] Generated Node #0,3,0: 90:[99, 30] Operation: 16+14=30 Exploring Operation: 99-16=83, Resulting Numbers: [14, 83] Generated Node #0,3,1: 90:[14, 83] Operation: 99-16=83 Exploring Operation: 16-14=2, Resulting Numbers: [99, 2] Generated Node #0,3,2: 90:[99, 2] Operation: 16-14=2 Exploring Operation: 99-14=85, Resulting Numbers: [16, 85] Generated Node #0,3,3: 90:[16, 85] Operation: 99-14=85 Exploring Operation: 99+14=113, Resulting Numbers: [16, 113] Generated Node #0,3,4: 90:[16, 113] Operation: 99+14=113 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 90:[16, 85], Operations: ['36-22=14', '99-14=85'] Exploring Operation: 85-16=69, Resulting Numbers: [69] 69,90 unequal: No Solution Exploring Operation: 16+85=101, Resulting Numbers: [101] 101,90 unequal: No Solution Exploring Operation: 16*85=1360, Resulting Numbers: [1360] 1360,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 90:[14, 83], Operations: ['36-22=14', '99-16=83'] Exploring Operation: 83-14=69, Resulting Numbers: [69] 69,90 unequal: No Solution Exploring Operation: 14+83=97, Resulting Numbers: [97] 97,90 unequal: No Solution Exploring Operation: 14*83=1162, Resulting Numbers: [1162] 1162,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 90:[99, 30], Operations: ['36-22=14', '16+14=30'] Exploring Operation: 99+30=129, Resulting Numbers: [129] 129,90 unequal: No Solution Exploring Operation: 99*30=2970, Resulting Numbers: [2970] 2970,90 unequal: No Solution Exploring Operation: 99-30=69, Resulting Numbers: [69] 69,90 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 #0,3,2 Current State: 90:[99, 2], Operations: ['36-22=14', '16-14=2'] Exploring Operation: 99+2=101, Resulting Numbers: [101] 101,90 unequal: No Solution Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,90 unequal: No Solution Exploring Operation: 99*2=198, Resulting Numbers: [198] 198,90 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 #0,3,4 Current State: 90:[16, 113], Operations: ['36-22=14', '99+14=113'] Exploring Operation: 113-16=97, Resulting Numbers: [97] 97,90 unequal: No Solution Exploring Operation: 16*113=1808, Resulting Numbers: [1808] 1808,90 unequal: No Solution Exploring Operation: 16+113=129, Resulting Numbers: [129] 129,90 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: 90:[99, 36, 6], Operations: ['22-16=6'] Exploring Operation: 36-6=30, Resulting Numbers: [99, 30] Generated Node #0,2,0: 90:[99, 30] Operation: 36-6=30 Exploring Operation: 99-36=63, Resulting Numbers: [6, 63] Generated Node #0,2,1: 90:[6, 63] Operation: 99-36=63 Exploring Operation: 36/6=6, Resulting Numbers: [99, 6] Generated Node #0,2,2: 90:[99, 6] Operation: 36/6=6 Exploring Operation: 99-6=93, Resulting Numbers: [36, 93] Generated Node #0,2,3: 90:[36, 93] Operation: 99-6=93 Exploring Operation: 36+6=42, Resulting Numbers: [99, 42] Generated Node #0,2,4: 90:[99, 42] Operation: 36+6=42 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 90:[99, 30], Operations: ['22-16=6', '36-6=30'] Exploring Operation: 99-30=69, Resulting Numbers: [69] 69,90 unequal: No Solution Exploring Operation: 99*30=2970, Resulting Numbers: [2970] 2970,90 unequal: No Solution Exploring Operation: 99+30=129, Resulting Numbers: [129] 129,90 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 #0,2,2 Current State: 90:[99, 6], Operations: ['22-16=6', '36/6=6'] Exploring Operation: 99-6=93, Resulting Numbers: [93] 93,90 unequal: No Solution Exploring Operation: 99*6=594, Resulting Numbers: [594] 594,90 unequal: No Solution Exploring Operation: 99+6=105, Resulting Numbers: [105] 105,90 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 #0,2,3 Current State: 90:[36, 93], Operations: ['22-16=6', '99-6=93'] Exploring Operation: 93-36=57, Resulting Numbers: [57] 57,90 unequal: No Solution Exploring Operation: 36+93=129, Resulting Numbers: [129] 129,90 unequal: No Solution Exploring Operation: 36*93=3348, Resulting Numbers: [3348] 3348,90 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 #0,2,4 Current State: 90:[99, 42], Operations: ['22-16=6', '36+6=42'] Exploring Operation: 99+42=141, Resulting Numbers: [141] 141,90 unequal: No Solution Exploring Operation: 99*42=4158, Resulting Numbers: [4158] 4158,90 unequal: No Solution Exploring Operation: 99-42=57, Resulting Numbers: [57] 57,90 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 #0,2,1 Current State: 90:[6, 63], Operations: ['22-16=6', '99-36=63'] Exploring Operation: 6*63=378, Resulting Numbers: [378] 378,90 unequal: No Solution Exploring Operation: 6+63=69, Resulting Numbers: [69] 69,90 unequal: No Solution Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,90 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: 90:[99, 22, 20], Operations: ['36-16=20'] Exploring Operation: 22+20=42, Resulting Numbers: [99, 42] Generated Node #0,0,0: 90:[99, 42] Operation: 22+20=42 Exploring Operation: 99+22=121, Resulting Numbers: [20, 121] Generated Node #0,0,1: 90:[20, 121] Operation: 99+22=121 Exploring Operation: 99-20=79, Resulting Numbers: [22, 79] Generated Node #0,0,2: 90:[22, 79] Operation: 99-20=79 Exploring Operation: 99-22=77, Resulting Numbers: [20, 77] Generated Node #0,0,3: 90:[20, 77] Operation: 99-22=77 Exploring Operation: 22-20=2, Resulting Numbers: [99, 2] Generated Node #0,0,4: 90:[99, 2] Operation: 22-20=2 Moving to Node #0,4 Current State: 90:[36, 22, 83], Operations: ['99-16=83'] Exploring Operation: 83-36=47, Resulting Numbers: [22, 47] Generated Node #0,4,0: 90:[22, 47] Operation: 83-36=47 Exploring Operation: 36+22=58, Resulting Numbers: [83, 58] Generated Node #0,4,1: 90:[83, 58] Operation: 36+22=58 Exploring Operation: 36-22=14, Resulting Numbers: [83, 14] Generated Node #0,4,2: 90:[83, 14] Operation: 36-22=14 Exploring Operation: 83-22=61, Resulting Numbers: [36, 61] Generated Node #0,4,3: 90:[36, 61] Operation: 83-22=61 Exploring Operation: 22+83=105, Resulting Numbers: [36, 105] Generated Node #0,4,4: 90:[36, 105] Operation: 22+83=105 Moving to Node #0,1 Current State: 90:[36, 16, 77], Operations: ['99-22=77'] Exploring Operation: 77-16=61, Resulting Numbers: [36, 61] Generated Node #0,1,0: 90:[36, 61] Operation: 77-16=61 Exploring Operation: 36-16=20, Resulting Numbers: [77, 20] Generated Node #0,1,1: 90:[77, 20] Operation: 36-16=20 Exploring Operation: 16+77=93, Resulting Numbers: [36, 93] Generated Node #0,1,2: 90:[36, 93] Operation: 16+77=93 Exploring Operation: 77-36=41, Resulting Numbers: [16, 41] Generated Node #0,1,3: 90:[16, 41] Operation: 77-36=41 Exploring Operation: 36+16=52, Resulting Numbers: [77, 52] Generated Node #0,1,4: 90:[77, 52] Operation: 36+16=52 Moving to Node #0,1,3 Current State: 90:[16, 41], Operations: ['99-22=77', '77-36=41'] Exploring Operation: 16+41=57, Resulting Numbers: [57] 57,90 unequal: No Solution Exploring Operation: 41-16=25, Resulting Numbers: [25] 25,90 unequal: No Solution Exploring Operation: 16*41=656, Resulting Numbers: [656] 656,90 unequal: No Solution Moving to Node #0,4,0 Current State: 90:[22, 47], Operations: ['99-16=83', '83-36=47'] Exploring Operation: 22+47=69, Resulting Numbers: [69] 69,90 unequal: No Solution Exploring Operation: 22*47=1034, Resulting Numbers: [1034] 1034,90 unequal: No Solution Exploring Operation: 47-22=25, Resulting Numbers: [25] 25,90 unequal: No Solution Moving to Node #0,4,2 Current State: 90:[83, 14], Operations: ['99-16=83', '36-22=14'] Exploring Operation: 83*14=1162, Resulting Numbers: [1162] 1162,90 unequal: No Solution Exploring Operation: 83+14=97, Resulting Numbers: [97] 97,90 unequal: No Solution Exploring Operation: 83-14=69, Resulting Numbers: [69] 69,90 unequal: No Solution Moving to Node #0,0,4 Current State: 90:[99, 2], Operations: ['36-16=20', '22-20=2'] Exploring Operation: 99+2=101, Resulting Numbers: [101] 101,90 unequal: No Solution Exploring Operation: 99*2=198, Resulting Numbers: [198] 198,90 unequal: No Solution Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,90 unequal: No Solution Moving to Node #0,1,2 Current State: 90:[36, 93], Operations: ['99-22=77', '16+77=93'] Exploring Operation: 93-36=57, Resulting Numbers: [57] 57,90 unequal: No Solution Exploring Operation: 36+93=129, Resulting Numbers: [129] 129,90 unequal: No Solution Exploring Operation: 36*93=3348, Resulting Numbers: [3348] 3348,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[99, 42], Operations: ['36-16=20', '22+20=42'] Exploring Operation: 99-42=57, Resulting Numbers: [57] 57,90 unequal: No Solution Exploring Operation: 99+42=141, Resulting Numbers: [141] 141,90 unequal: No Solution Exploring Operation: 99*42=4158, Resulting Numbers: [4158] 4158,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[22, 79], Operations: ['36-16=20', '99-20=79'] Exploring Operation: 79-22=57, Resulting Numbers: [57] 57,90 unequal: No Solution Exploring Operation: 22*79=1738, Resulting Numbers: [1738] 1738,90 unequal: No Solution Exploring Operation: 22+79=101, Resulting Numbers: [101] 101,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[77, 20], Operations: ['99-22=77', '36-16=20'] Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,90 unequal: No Solution Exploring Operation: 77*20=1540, Resulting Numbers: [1540] 1540,90 unequal: No Solution Exploring Operation: 77+20=97, Resulting Numbers: [97] 97,90 unequal: No Solution Moving to Node #0,0,3 Current State: 90:[20, 77], Operations: ['36-16=20', '99-22=77'] Exploring Operation: 20*77=1540, Resulting Numbers: [1540] 1540,90 unequal: No Solution Exploring Operation: 20+77=97, Resulting Numbers: [97] 97,90 unequal: No Solution Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,90 unequal: No Solution Moving to Node #0,1,4 Current State: 90:[77, 52], Operations: ['99-22=77', '36+16=52'] Exploring Operation: 77*52=4004, Resulting Numbers: [4004] 4004,90 unequal: No Solution Exploring Operation: 77-52=25, Resulting Numbers: [25] 25,90 unequal: No Solution Exploring Operation: 77+52=129, Resulting Numbers: [129] 129,90 unequal: No Solution Moving to Node #0,4,1 Current State: 90:[83, 58], Operations: ['99-16=83', '36+22=58'] Exploring Operation: 83*58=4814, Resulting Numbers: [4814] 4814,90 unequal: No Solution Exploring Operation: 83-58=25, Resulting Numbers: [25] 25,90 unequal: No Solution Exploring Operation: 83+58=141, Resulting Numbers: [141] 141,90 unequal: No Solution Moving to Node #0,4,4 Current State: 90:[36, 105], Operations: ['99-16=83', '22+83=105'] Exploring Operation: 36+105=141, Resulting Numbers: [141] 141,90 unequal: No Solution Exploring Operation: 36*105=3780, Resulting Numbers: [3780] 3780,90 unequal: No Solution Exploring Operation: 105-36=69, Resulting Numbers: [69] 69,90 unequal: No Solution Moving to Node #0,4,3 Current State: 90:[36, 61], Operations: ['99-16=83', '83-22=61'] Exploring Operation: 36*61=2196, Resulting Numbers: [2196] 2196,90 unequal: No Solution Exploring Operation: 36+61=97, Resulting Numbers: [97] 97,90 unequal: No Solution Exploring Operation: 61-36=25, Resulting Numbers: [25] 25,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[36, 61], Operations: ['99-22=77', '77-16=61'] Exploring Operation: 36*61=2196, Resulting Numbers: [2196] 2196,90 unequal: No Solution Exploring Operation: 61-36=25, Resulting Numbers: [25] 25,90 unequal: No Solution Exploring Operation: 36+61=97, Resulting Numbers: [97] 97,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[20, 121], Operations: ['36-16=20', '99+22=121'] Exploring Operation: 20+121=141, Resulting Numbers: [141] 141,90 unequal: No Solution Exploring Operation: 121-20=101, Resulting Numbers: [101] 101,90 unequal: No Solution Exploring Operation: 20*121=2420, Resulting Numbers: [2420] 2420,90 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 15, 86, 94, 64 ]
23
[ "94-86=8", "64/8=8", "15+8=23" ]
Current State: 23:[15, 86, 94, 64], Operations: [] Exploring Operation: 94-86=8, Resulting Numbers: [15, 64, 8] Generated Node #2: [15, 64, 8] from Operation: 94-86=8 Current State: 23:[15, 64, 8], Operations: ['94-86=8'] Exploring Operation: 64/8=8, Resulting Numbers: [15, 8] Generated Node #3: [15, 8] from Operation: 64/8=8 Current State: 23:[15, 8], Operations: ['94-86=8', '64/8=8'] Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[15, 86, 94, 64], Operations: [] Exploring Operation: 94-64=30, Resulting Numbers: [15, 86, 30] Generated Node #0,0: 23:[15, 86, 30] Operation: 94-64=30 Exploring Operation: 86-64=22, Resulting Numbers: [15, 94, 22] Generated Node #0,1: 23:[15, 94, 22] Operation: 86-64=22 Exploring Operation: 94-86=8, Resulting Numbers: [15, 64, 8] Generated Node #0,2: 23:[15, 64, 8] Operation: 94-86=8 Moving to Node #0,2 Current State: 23:[15, 64, 8], Operations: ['94-86=8'] Exploring Operation: 64/8=8, Resulting Numbers: [15, 8] Generated Node #0,2,0: 23:[15, 8] Operation: 64/8=8 Exploring Operation: 64-15=49, Resulting Numbers: [8, 49] Generated Node #0,2,1: 23:[8, 49] Operation: 64-15=49 Exploring Operation: 15+8=23, Resulting Numbers: [64, 23] Generated Node #0,2,2: 23:[64, 23] Operation: 15+8=23 Moving to Node #0,0 Current State: 23:[15, 86, 30], Operations: ['94-64=30'] Exploring Operation: 86-30=56, Resulting Numbers: [15, 56] Generated Node #0,0,0: 23:[15, 56] Operation: 86-30=56 Exploring Operation: 86-15=71, Resulting Numbers: [30, 71] Generated Node #0,0,1: 23:[30, 71] Operation: 86-15=71 Exploring Operation: 30-15=15, Resulting Numbers: [86, 15] Generated Node #0,0,2: 23:[86, 15] Operation: 30-15=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[15, 56], Operations: ['94-64=30', '86-30=56'] Exploring Operation: 15+56=71, Resulting Numbers: [71] 71,23 unequal: No Solution Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,23 unequal: No Solution Exploring Operation: 15*56=840, Resulting Numbers: [840] 840,23 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 #0,0,1 Current State: 23:[30, 71], Operations: ['94-64=30', '86-15=71'] Exploring Operation: 30*71=2130, Resulting Numbers: [2130] 2130,23 unequal: No Solution Exploring Operation: 30+71=101, Resulting Numbers: [101] 101,23 unequal: No Solution Exploring Operation: 71-30=41, Resulting Numbers: [41] 41,23 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:[86, 15], Operations: ['94-64=30', '30-15=15'] Exploring Operation: 86*15=1290, Resulting Numbers: [1290] 1290,23 unequal: No Solution Exploring Operation: 86-15=71, Resulting Numbers: [71] 71,23 unequal: No Solution Exploring Operation: 86+15=101, Resulting Numbers: [101] 101,23 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: 23:[15, 94, 22], Operations: ['86-64=22'] Exploring Operation: 15+22=37, Resulting Numbers: [94, 37] Generated Node #0,1,0: 23:[94, 37] Operation: 15+22=37 Exploring Operation: 94-15=79, Resulting Numbers: [22, 79] Generated Node #0,1,1: 23:[22, 79] Operation: 94-15=79 Exploring Operation: 94-22=72, Resulting Numbers: [15, 72] Generated Node #0,1,2: 23:[15, 72] Operation: 94-22=72 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[22, 79], Operations: ['86-64=22', '94-15=79'] Exploring Operation: 79-22=57, Resulting Numbers: [57] 57,23 unequal: No Solution Exploring Operation: 22*79=1738, Resulting Numbers: [1738] 1738,23 unequal: No Solution Exploring Operation: 22+79=101, Resulting Numbers: [101] 101,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 23:[15, 72], Operations: ['86-64=22', '94-22=72'] Exploring Operation: 15*72=1080, Resulting Numbers: [1080] 1080,23 unequal: No Solution Exploring Operation: 15+72=87, Resulting Numbers: [87] 87,23 unequal: No Solution Exploring Operation: 72-15=57, Resulting Numbers: [57] 57,23 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:[94, 37], Operations: ['86-64=22', '15+22=37'] Exploring Operation: 94+37=131, Resulting Numbers: [131] 131,23 unequal: No Solution Exploring Operation: 94-37=57, Resulting Numbers: [57] 57,23 unequal: No Solution Exploring Operation: 94*37=3478, Resulting Numbers: [3478] 3478,23 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: 23:[15, 8], Operations: ['94-86=8', '64/8=8'] Exploring Operation: 15*8=120, Resulting Numbers: [120] 120,23 unequal: No Solution Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[15, 86, 94, 64], Operations: [] Exploring Operation: 94-86=8, Resulting Numbers: [15, 64, 8] Generated Node #0,2: 23:[15, 64, 8] Operation: 94-86=8 Moving to Node #0,2 Current State: 23:[15, 64, 8], Operations: ['94-86=8'] Exploring Operation: 64/8=8, Resulting Numbers: [15, 8] Generated Node #0,2,0: 23:[15, 8] Operation: 64/8=8 Moving to Node #0,2,0 Current State: 23:[15, 8], Operations: ['94-86=8', '64/8=8'] Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
0.96875
hs_3
mult_heuristic
[ 13, 93, 17, 80 ]
18
[ "93-13=80", "80/80=1", "17+1=18" ]
Current State: 18:[13, 93, 17, 80], Operations: [] Exploring Operation: 93-13=80, Resulting Numbers: [17, 80, 80] Generated Node #2: [17, 80, 80] from Operation: 93-13=80 Current State: 18:[17, 80, 80], Operations: ['93-13=80'] Exploring Operation: 80/80=1, Resulting Numbers: [17, 1] Generated Node #3: [17, 1] from Operation: 80/80=1 Current State: 18:[17, 1], Operations: ['93-13=80', '80/80=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[13, 93, 17, 80], Operations: [] Exploring Operation: 93-80=13, Resulting Numbers: [13, 17, 13] Generated Node #0,0: 18:[13, 17, 13] Operation: 93-80=13 Moving to Node #0,0 Current State: 18:[13, 17, 13], Operations: ['93-80=13'] Exploring Operation: 13/13=1, Resulting Numbers: [17, 1] Generated Node #0,0,0: 18:[17, 1] Operation: 13/13=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 18:[17, 1], Operations: ['93-80=13', '13/13=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[13, 93, 17, 80], Operations: [] Exploring Operation: 93-80=13, Resulting Numbers: [13, 17, 13] Generated Node #0,0: 18:[13, 17, 13] Operation: 93-80=13 Moving to Node #0,0 Current State: 18:[13, 17, 13], Operations: ['93-80=13'] Exploring Operation: 13/13=1, Resulting Numbers: [17, 1] Generated Node #0,0,0: 18:[17, 1] Operation: 13/13=1 Moving to Node #0,0,0 Current State: 18:[17, 1], Operations: ['93-80=13', '13/13=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 58, 74, 87, 82 ]
80
[ "74-58=16", "87-82=5", "16*5=80" ]
Current State: 80:[58, 74, 87, 82], Operations: [] Exploring Operation: 74-58=16, Resulting Numbers: [87, 82, 16] Generated Node #2: [87, 82, 16] from Operation: 74-58=16 Current State: 80:[87, 82, 16], Operations: ['74-58=16'] Exploring Operation: 87-82=5, Resulting Numbers: [16, 5] Generated Node #3: [16, 5] from Operation: 87-82=5 Current State: 80:[16, 5], Operations: ['74-58=16', '87-82=5'] Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[58, 74, 87, 82], Operations: [] Exploring Operation: 74-58=16, Resulting Numbers: [87, 82, 16] Generated Node #0,0: 80:[87, 82, 16] Operation: 74-58=16 Exploring Operation: 87-82=5, Resulting Numbers: [58, 74, 5] Generated Node #0,1: 80:[58, 74, 5] Operation: 87-82=5 Exploring Operation: 87-58=29, Resulting Numbers: [74, 82, 29] Generated Node #0,2: 80:[74, 82, 29] Operation: 87-58=29 Exploring Operation: 82-58=24, Resulting Numbers: [74, 87, 24] Generated Node #0,3: 80:[74, 87, 24] Operation: 82-58=24 Exploring Operation: 87-74=13, Resulting Numbers: [58, 82, 13] Generated Node #0,4: 80:[58, 82, 13] Operation: 87-74=13 Moving to Node #0,0 Current State: 80:[87, 82, 16], Operations: ['74-58=16'] Exploring Operation: 87-16=71, Resulting Numbers: [82, 71] Generated Node #0,0,0: 80:[82, 71] Operation: 87-16=71 Exploring Operation: 82-16=66, Resulting Numbers: [87, 66] Generated Node #0,0,1: 80:[87, 66] Operation: 82-16=66 Exploring Operation: 82+16=98, Resulting Numbers: [87, 98] Generated Node #0,0,2: 80:[87, 98] Operation: 82+16=98 Exploring Operation: 87+16=103, Resulting Numbers: [82, 103] Generated Node #0,0,3: 80:[82, 103] Operation: 87+16=103 Exploring Operation: 87-82=5, Resulting Numbers: [16, 5] Generated Node #0,0,4: 80:[16, 5] Operation: 87-82=5 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 80:[16, 5], Operations: ['74-58=16', '87-82=5'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,80 unequal: No Solution Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,80 unequal: No Solution Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[58, 74, 87, 82], Operations: [] Exploring Operation: 74-58=16, Resulting Numbers: [87, 82, 16] Generated Node #0,0: 80:[87, 82, 16] Operation: 74-58=16 Moving to Node #0,0 Current State: 80:[87, 82, 16], Operations: ['74-58=16'] Exploring Operation: 87-82=5, Resulting Numbers: [16, 5] Generated Node #0,0,4: 80:[16, 5] Operation: 87-82=5 Moving to Node #0,0,4 Current State: 80:[16, 5], Operations: ['74-58=16', '87-82=5'] Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 39, 72, 95, 91 ]
75
[ "39+72=111", "95+91=186", "186-111=75" ]
Current State: 75:[39, 72, 95, 91], Operations: [] Exploring Operation: 39+72=111, Resulting Numbers: [95, 91, 111] Generated Node #2: [95, 91, 111] from Operation: 39+72=111 Current State: 75:[95, 91, 111], Operations: ['39+72=111'] Exploring Operation: 95+91=186, Resulting Numbers: [111, 186] Generated Node #3: [111, 186] from Operation: 95+91=186 Current State: 75:[111, 186], Operations: ['39+72=111', '95+91=186'] Exploring Operation: 186-111=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[39, 72, 95, 91], Operations: [] Exploring Operation: 95-39=56, Resulting Numbers: [72, 91, 56] Generated Node #0,0: 75:[72, 91, 56] Operation: 95-39=56 Exploring Operation: 95-91=4, Resulting Numbers: [39, 72, 4] Generated Node #0,1: 75:[39, 72, 4] Operation: 95-91=4 Exploring Operation: 95-72=23, Resulting Numbers: [39, 91, 23] Generated Node #0,2: 75:[39, 91, 23] Operation: 95-72=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[39, 72, 4], Operations: ['95-91=4'] Exploring Operation: 72+4=76, Resulting Numbers: [39, 76] Generated Node #0,1,0: 75:[39, 76] Operation: 72+4=76 Exploring Operation: 39-4=35, Resulting Numbers: [72, 35] Generated Node #0,1,1: 75:[72, 35] Operation: 39-4=35 Exploring Operation: 72-39=33, Resulting Numbers: [4, 33] Generated Node #0,1,2: 75:[4, 33] Operation: 72-39=33 Moving to Node #0,1,2 Current State: 75:[4, 33], Operations: ['95-91=4', '72-39=33'] Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,75 unequal: No Solution Exploring Operation: 4*33=132, Resulting Numbers: [132] 132,75 unequal: No Solution Exploring Operation: 4+33=37, Resulting Numbers: [37] 37,75 unequal: No Solution Moving to Node #0,1,1 Current State: 75:[72, 35], Operations: ['95-91=4', '39-4=35'] Exploring Operation: 72-35=37, Resulting Numbers: [37] 37,75 unequal: No Solution Exploring Operation: 72*35=2520, Resulting Numbers: [2520] 2520,75 unequal: No Solution Exploring Operation: 72+35=107, Resulting Numbers: [107] 107,75 unequal: No Solution Moving to Node #0,1,0 Current State: 75:[39, 76], Operations: ['95-91=4', '72+4=76'] Exploring Operation: 39*76=2964, Resulting Numbers: [2964] 2964,75 unequal: No Solution Exploring Operation: 76-39=37, Resulting Numbers: [37] 37,75 unequal: No Solution Exploring Operation: 39+76=115, Resulting Numbers: [115] 115,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[39, 91, 23], Operations: ['95-72=23'] Exploring Operation: 39-23=16, Resulting Numbers: [91, 16] Generated Node #0,2,0: 75:[91, 16] Operation: 39-23=16 Exploring Operation: 91-39=52, Resulting Numbers: [23, 52] Generated Node #0,2,1: 75:[23, 52] Operation: 91-39=52 Exploring Operation: 91-23=68, Resulting Numbers: [39, 68] Generated Node #0,2,2: 75:[39, 68] Operation: 91-23=68 Moving to Node #0,2,0 Current State: 75:[91, 16], Operations: ['95-72=23', '39-23=16'] Exploring Operation: 91*16=1456, Resulting Numbers: [1456] 1456,75 unequal: No Solution Exploring Operation: 91+16=107, Resulting Numbers: [107] 107,75 unequal: No Solution Exploring Operation: 91-16=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[39, 72, 95, 91], Operations: [] Exploring Operation: 95-72=23, Resulting Numbers: [39, 91, 23] Generated Node #0,2: 75:[39, 91, 23] Operation: 95-72=23 Moving to Node #0,2 Current State: 75:[39, 91, 23], Operations: ['95-72=23'] Exploring Operation: 39-23=16, Resulting Numbers: [91, 16] Generated Node #0,2,0: 75:[91, 16] Operation: 39-23=16 Moving to Node #0,2,0 Current State: 75:[91, 16], Operations: ['95-72=23', '39-23=16'] Exploring Operation: 91-16=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 73, 2, 87, 58 ]
46
[ "73+2=75", "87-58=29", "75-29=46" ]
Current State: 46:[73, 2, 87, 58], Operations: [] Exploring Operation: 73+2=75, Resulting Numbers: [87, 58, 75] Generated Node #2: [87, 58, 75] from Operation: 73+2=75 Current State: 46:[87, 58, 75], Operations: ['73+2=75'] Exploring Operation: 87-58=29, Resulting Numbers: [75, 29] Generated Node #3: [75, 29] from Operation: 87-58=29 Current State: 46:[75, 29], Operations: ['73+2=75', '87-58=29'] Exploring Operation: 75-29=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[73, 2, 87, 58], Operations: [] Exploring Operation: 73-58=15, Resulting Numbers: [2, 87, 15] Generated Node #0,0: 46:[2, 87, 15] Operation: 73-58=15 Exploring Operation: 87-58=29, Resulting Numbers: [73, 2, 29] Generated Node #0,1: 46:[73, 2, 29] Operation: 87-58=29 Exploring Operation: 58/2=29, Resulting Numbers: [73, 87, 29] Generated Node #0,2: 46:[73, 87, 29] Operation: 58/2=29 Exploring Operation: 73-2=71, Resulting Numbers: [87, 58, 71] Generated Node #0,3: 46:[87, 58, 71] Operation: 73-2=71 Exploring Operation: 87-73=14, Resulting Numbers: [2, 58, 14] Generated Node #0,4: 46:[2, 58, 14] Operation: 87-73=14 Moving to Node #0,4 Current State: 46:[2, 58, 14], Operations: ['87-73=14'] Exploring Operation: 58-14=44, Resulting Numbers: [2, 44] Generated Node #0,4,0: 46:[2, 44] Operation: 58-14=44 Exploring Operation: 2*14=28, Resulting Numbers: [58, 28] Generated Node #0,4,1: 46:[58, 28] Operation: 2*14=28 Exploring Operation: 14/2=7, Resulting Numbers: [58, 7] Generated Node #0,4,2: 46:[58, 7] Operation: 14/2=7 Exploring Operation: 58-2=56, Resulting Numbers: [14, 56] Generated Node #0,4,3: 46:[14, 56] Operation: 58-2=56 Exploring Operation: 58/2=29, Resulting Numbers: [14, 29] Generated Node #0,4,4: 46:[14, 29] Operation: 58/2=29 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 46:[2, 44], Operations: ['87-73=14', '58-14=44'] Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,46 unequal: No Solution Exploring Operation: 2+44=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[73, 2, 87, 58], Operations: [] Exploring Operation: 87-73=14, Resulting Numbers: [2, 58, 14] Generated Node #0,4: 46:[2, 58, 14] Operation: 87-73=14 Moving to Node #0,4 Current State: 46:[2, 58, 14], Operations: ['87-73=14'] Exploring Operation: 58-14=44, Resulting Numbers: [2, 44] Generated Node #0,4,0: 46:[2, 44] Operation: 58-14=44 Moving to Node #0,4,0 Current State: 46:[2, 44], Operations: ['87-73=14', '58-14=44'] Exploring Operation: 2+44=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 37, 30, 43, 26 ]
24
[ "37-30=7", "43-26=17", "7+17=24" ]
Current State: 24:[37, 30, 43, 26], Operations: [] Exploring Operation: 37-30=7, Resulting Numbers: [43, 26, 7] Generated Node #2: [43, 26, 7] from Operation: 37-30=7 Current State: 24:[43, 26, 7], Operations: ['37-30=7'] Exploring Operation: 43-26=17, Resulting Numbers: [7, 17] Generated Node #3: [7, 17] from Operation: 43-26=17 Current State: 24:[7, 17], Operations: ['37-30=7', '43-26=17'] Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[37, 30, 43, 26], Operations: [] Exploring Operation: 37-30=7, Resulting Numbers: [43, 26, 7] Generated Node #0,0: 24:[43, 26, 7] Operation: 37-30=7 Exploring Operation: 43-30=13, Resulting Numbers: [37, 26, 13] Generated Node #0,1: 24:[37, 26, 13] Operation: 43-30=13 Exploring Operation: 43-26=17, Resulting Numbers: [37, 30, 17] Generated Node #0,2: 24:[37, 30, 17] Operation: 43-26=17 Exploring Operation: 43-37=6, Resulting Numbers: [30, 26, 6] Generated Node #0,3: 24:[30, 26, 6] Operation: 43-37=6 Exploring Operation: 37-26=11, Resulting Numbers: [30, 43, 11] Generated Node #0,4: 24:[30, 43, 11] Operation: 37-26=11 Moving to Node #0,3 Current State: 24:[30, 26, 6], Operations: ['43-37=6'] Exploring Operation: 30/6=5, Resulting Numbers: [26, 5] Generated Node #0,3,0: 24:[26, 5] Operation: 30/6=5 Exploring Operation: 30+6=36, Resulting Numbers: [26, 36] Generated Node #0,3,1: 24:[26, 36] Operation: 30+6=36 Exploring Operation: 26-6=20, Resulting Numbers: [30, 20] Generated Node #0,3,2: 24:[30, 20] Operation: 26-6=20 Exploring Operation: 30-6=24, Resulting Numbers: [26, 24] Generated Node #0,3,3: 24:[26, 24] Operation: 30-6=24 Exploring Operation: 30-26=4, Resulting Numbers: [6, 4] Generated Node #0,3,4: 24:[6, 4] Operation: 30-26=4 Moving to Node #0,1 Current State: 24:[37, 26, 13], Operations: ['43-30=13'] Exploring Operation: 37-13=24, Resulting Numbers: [26, 24] Generated Node #0,1,0: 24:[26, 24] Operation: 37-13=24 Exploring Operation: 37+13=50, Resulting Numbers: [26, 50] Generated Node #0,1,1: 24:[26, 50] Operation: 37+13=50 Exploring Operation: 37-26=11, Resulting Numbers: [13, 11] Generated Node #0,1,2: 24:[13, 11] Operation: 37-26=11 Exploring Operation: 26-13=13, Resulting Numbers: [37, 13] Generated Node #0,1,3: 24:[37, 13] Operation: 26-13=13 Exploring Operation: 26/13=2, Resulting Numbers: [37, 2] Generated Node #0,1,4: 24:[37, 2] Operation: 26/13=2 Moving to Node #0,0 Current State: 24:[43, 26, 7], Operations: ['37-30=7'] Exploring Operation: 26-7=19, Resulting Numbers: [43, 19] Generated Node #0,0,0: 24:[43, 19] Operation: 26-7=19 Exploring Operation: 26+7=33, Resulting Numbers: [43, 33] Generated Node #0,0,1: 24:[43, 33] Operation: 26+7=33 Exploring Operation: 43+7=50, Resulting Numbers: [26, 50] Generated Node #0,0,2: 24:[26, 50] Operation: 43+7=50 Exploring Operation: 43-26=17, Resulting Numbers: [7, 17] Generated Node #0,0,3: 24:[7, 17] Operation: 43-26=17 Exploring Operation: 43-7=36, Resulting Numbers: [26, 36] Generated Node #0,0,4: 24:[26, 36] Operation: 43-7=36 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 24:[7, 17], Operations: ['37-30=7', '43-26=17'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,24 unequal: No Solution Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[37, 30, 43, 26], Operations: [] Exploring Operation: 37-30=7, Resulting Numbers: [43, 26, 7] Generated Node #0,0: 24:[43, 26, 7] Operation: 37-30=7 Moving to Node #0,0 Current State: 24:[43, 26, 7], Operations: ['37-30=7'] Exploring Operation: 43-26=17, Resulting Numbers: [7, 17] Generated Node #0,0,3: 24:[7, 17] Operation: 43-26=17 Moving to Node #0,0,3 Current State: 24:[7, 17], Operations: ['37-30=7', '43-26=17'] Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
sum_heuristic
[ 38, 72, 47, 11 ]
92
[ "72-38=34", "47+11=58", "34+58=92" ]
Current State: 92:[38, 72, 47, 11], Operations: [] Exploring Operation: 72-38=34, Resulting Numbers: [47, 11, 34] Generated Node #2: [47, 11, 34] from Operation: 72-38=34 Current State: 92:[47, 11, 34], Operations: ['72-38=34'] Exploring Operation: 47+11=58, Resulting Numbers: [34, 58] Generated Node #3: [34, 58] from Operation: 47+11=58 Current State: 92:[34, 58], Operations: ['72-38=34', '47+11=58'] Exploring Operation: 34+58=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[38, 72, 47, 11], Operations: [] Exploring Operation: 72-38=34, Resulting Numbers: [47, 11, 34] Generated Node #0,0: 92:[47, 11, 34] Operation: 72-38=34 Exploring Operation: 72-47=25, Resulting Numbers: [38, 11, 25] Generated Node #0,1: 92:[38, 11, 25] Operation: 72-47=25 Exploring Operation: 38+11=49, Resulting Numbers: [72, 47, 49] Generated Node #0,2: 92:[72, 47, 49] Operation: 38+11=49 Exploring Operation: 72+11=83, Resulting Numbers: [38, 47, 83] Generated Node #0,3: 92:[38, 47, 83] Operation: 72+11=83 Exploring Operation: 72-11=61, Resulting Numbers: [38, 47, 61] Generated Node #0,4: 92:[38, 47, 61] Operation: 72-11=61 Moving to Node #0,1 Current State: 92:[38, 11, 25], Operations: ['72-47=25'] Exploring Operation: 11+25=36, Resulting Numbers: [38, 36] Generated Node #0,1,0: 92:[38, 36] Operation: 11+25=36 Exploring Operation: 38-25=13, Resulting Numbers: [11, 13] Generated Node #0,1,1: 92:[11, 13] Operation: 38-25=13 Exploring Operation: 25-11=14, Resulting Numbers: [38, 14] Generated Node #0,1,2: 92:[38, 14] Operation: 25-11=14 Exploring Operation: 38-11=27, Resulting Numbers: [25, 27] Generated Node #0,1,3: 92:[25, 27] Operation: 38-11=27 Exploring Operation: 38+11=49, Resulting Numbers: [25, 49] Generated Node #0,1,4: 92:[25, 49] Operation: 38+11=49 Moving to Node #0,3 Current State: 92:[38, 47, 83], Operations: ['72+11=83'] Exploring Operation: 83-38=45, Resulting Numbers: [47, 45] Generated Node #0,3,0: 92:[47, 45] Operation: 83-38=45 Exploring Operation: 83-47=36, Resulting Numbers: [38, 36] Generated Node #0,3,1: 92:[38, 36] Operation: 83-47=36 Exploring Operation: 38+83=121, Resulting Numbers: [47, 121] Generated Node #0,3,2: 92:[47, 121] Operation: 38+83=121 Exploring Operation: 47-38=9, Resulting Numbers: [83, 9] Generated Node #0,3,3: 92:[83, 9] Operation: 47-38=9 Exploring Operation: 38+47=85, Resulting Numbers: [83, 85] Generated Node #0,3,4: 92:[83, 85] Operation: 38+47=85 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 92:[47, 45], Operations: ['72+11=83', '83-38=45'] Exploring Operation: 47+45=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[38, 72, 47, 11], Operations: [] Exploring Operation: 72+11=83, Resulting Numbers: [38, 47, 83] Generated Node #0,3: 92:[38, 47, 83] Operation: 72+11=83 Moving to Node #0,3 Current State: 92:[38, 47, 83], Operations: ['72+11=83'] Exploring Operation: 83-38=45, Resulting Numbers: [47, 45] Generated Node #0,3,0: 92:[47, 45] Operation: 83-38=45 Moving to Node #0,3,0 Current State: 92:[47, 45], Operations: ['72+11=83', '83-38=45'] Exploring Operation: 47+45=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 63, 50, 4, 9 ]
13
[ "63+50=113", "4+113=117", "117/9=13" ]
Current State: 13:[63, 50, 4, 9], Operations: [] Exploring Operation: 63+50=113, Resulting Numbers: [4, 9, 113] Generated Node #2: [4, 9, 113] from Operation: 63+50=113 Current State: 13:[4, 9, 113], Operations: ['63+50=113'] Exploring Operation: 4+113=117, Resulting Numbers: [9, 117] Generated Node #3: [9, 117] from Operation: 4+113=117 Current State: 13:[9, 117], Operations: ['63+50=113', '4+113=117'] Exploring Operation: 117/9=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[63, 50, 4, 9], Operations: [] Exploring Operation: 63-4=59, Resulting Numbers: [50, 9, 59] Generated Node #0,0: 13:[50, 9, 59] Operation: 63-4=59 Exploring Operation: 63-50=13, Resulting Numbers: [4, 9, 13] Generated Node #0,1: 13:[4, 9, 13] Operation: 63-50=13 Exploring Operation: 63/9=7, Resulting Numbers: [50, 4, 7] Generated Node #0,2: 13:[50, 4, 7] Operation: 63/9=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[4, 9, 13], Operations: ['63-50=13'] Exploring Operation: 4+9=13, Resulting Numbers: [13, 13] Generated Node #0,1,0: 13:[13, 13] Operation: 4+9=13 Exploring Operation: 9-4=5, Resulting Numbers: [13, 5] Generated Node #0,1,1: 13:[13, 5] Operation: 9-4=5 Exploring Operation: 4+13=17, Resulting Numbers: [9, 17] Generated Node #0,1,2: 13:[9, 17] Operation: 4+13=17 Moving to Node #0,1,0 Current State: 13:[13, 13], Operations: ['63-50=13', '4+9=13'] Exploring Operation: 13-13=0, Resulting Numbers: [0] 0,13 unequal: No Solution Exploring Operation: 13+13=26, Resulting Numbers: [26] 26,13 unequal: No Solution Exploring Operation: 13/13=1, Resulting Numbers: [1] 1,13 unequal: No Solution Moving to Node #0,1,1 Current State: 13:[13, 5], Operations: ['63-50=13', '9-4=5'] Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,13 unequal: No Solution Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,13 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,13 unequal: No Solution Moving to Node #0,1,2 Current State: 13:[9, 17], Operations: ['63-50=13', '4+13=17'] Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,13 unequal: No Solution Exploring Operation: 9*17=153, Resulting Numbers: [153] 153,13 unequal: No Solution Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[50, 4, 7], Operations: ['63/9=7'] Exploring Operation: 4+7=11, Resulting Numbers: [50, 11] Generated Node #0,2,0: 13:[50, 11] Operation: 4+7=11 Exploring Operation: 50-7=43, Resulting Numbers: [4, 43] Generated Node #0,2,1: 13:[4, 43] Operation: 50-7=43 Exploring Operation: 50-4=46, Resulting Numbers: [7, 46] Generated Node #0,2,2: 13:[7, 46] Operation: 50-4=46 Moving to Node #0,2,0 Current State: 13:[50, 11], Operations: ['63/9=7', '4+7=11'] Exploring Operation: 50*11=550, Resulting Numbers: [550] 550,13 unequal: No Solution Exploring Operation: 50+11=61, Resulting Numbers: [61] 61,13 unequal: No Solution Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,13 unequal: No Solution Moving to Node #0,2,1 Current State: 13:[4, 43], Operations: ['63/9=7', '50-7=43'] Exploring Operation: 4*43=172, Resulting Numbers: [172] 172,13 unequal: No Solution Exploring Operation: 4+43=47, Resulting Numbers: [47] 47,13 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,13 unequal: No Solution Moving to Node #0,2,2 Current State: 13:[7, 46], Operations: ['63/9=7', '50-4=46'] Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,13 unequal: No Solution Exploring Operation: 7*46=322, Resulting Numbers: [322] 322,13 unequal: No Solution Exploring Operation: 7+46=53, Resulting Numbers: [53] 53,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[50, 9, 59], Operations: ['63-4=59'] Exploring Operation: 59-50=9, Resulting Numbers: [9, 9] Generated Node #0,0,0: 13:[9, 9] Operation: 59-50=9 Exploring Operation: 59-9=50, Resulting Numbers: [50, 50] Generated Node #0,0,1: 13:[50, 50] Operation: 59-9=50 Exploring Operation: 50-9=41, Resulting Numbers: [59, 41] Generated Node #0,0,2: 13:[59, 41] Operation: 50-9=41 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[9, 9], Operations: ['63-4=59', '59-50=9'] Exploring Operation: 9-9=0, Resulting Numbers: [0] 0,13 unequal: No Solution Exploring Operation: 9/9=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 9+9=18, Resulting Numbers: [18] 18,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 13:[50, 50], Operations: ['63-4=59', '59-9=50'] Exploring Operation: 50/50=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 50+50=100, Resulting Numbers: [100] 100,13 unequal: No Solution Exploring Operation: 50-50=0, Resulting Numbers: [0] 0,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 13:[59, 41], Operations: ['63-4=59', '50-9=41'] Exploring Operation: 59*41=2419, Resulting Numbers: [2419] 2419,13 unequal: No Solution Exploring Operation: 59+41=100, Resulting Numbers: [100] 100,13 unequal: No Solution Exploring Operation: 59-41=18, Resulting Numbers: [18] 18,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 1, 53, 34, 44 ]
43
[ "1*53=53", "44-34=10", "53-10=43" ]
Current State: 43:[1, 53, 34, 44], Operations: [] Exploring Operation: 1*53=53, Resulting Numbers: [34, 44, 53] Generated Node #2: [34, 44, 53] from Operation: 1*53=53 Current State: 43:[34, 44, 53], Operations: ['1*53=53'] Exploring Operation: 44-34=10, Resulting Numbers: [53, 10] Generated Node #3: [53, 10] from Operation: 44-34=10 Current State: 43:[53, 10], Operations: ['1*53=53', '44-34=10'] Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[1, 53, 34, 44], Operations: [] Exploring Operation: 1+34=35, Resulting Numbers: [53, 44, 35] Generated Node #0,0: 43:[53, 44, 35] Operation: 1+34=35 Exploring Operation: 53-1=52, Resulting Numbers: [34, 44, 52] Generated Node #0,1: 43:[34, 44, 52] Operation: 53-1=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[53, 44, 35], Operations: ['1+34=35'] Exploring Operation: 53-35=18, Resulting Numbers: [44, 18] Generated Node #0,0,0: 43:[44, 18] Operation: 53-35=18 Exploring Operation: 53-44=9, Resulting Numbers: [35, 9] Generated Node #0,0,1: 43:[35, 9] Operation: 53-44=9 Moving to Node #0,0,0 Current State: 43:[44, 18], Operations: ['1+34=35', '53-35=18'] Exploring Operation: 44+18=62, Resulting Numbers: [62] 62,43 unequal: No Solution Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[35, 9], Operations: ['1+34=35', '53-44=9'] Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 35+9=44, Resulting Numbers: [44] 44,43 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 Current State: 43:[34, 44, 52], Operations: ['53-1=52'] Exploring Operation: 44-34=10, Resulting Numbers: [52, 10] Generated Node #0,1,0: 43:[52, 10] Operation: 44-34=10 Exploring Operation: 52-34=18, Resulting Numbers: [44, 18] Generated Node #0,1,1: 43:[44, 18] Operation: 52-34=18 Moving to Node #0,1,1 Current State: 43:[44, 18], Operations: ['53-1=52', '52-34=18'] Exploring Operation: 44+18=62, Resulting Numbers: [62] 62,43 unequal: No Solution Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[52, 10], Operations: ['53-1=52', '44-34=10'] Exploring Operation: 52-10=42, Resulting Numbers: [42] 42,43 unequal: No Solution Exploring Operation: 52+10=62, Resulting Numbers: [62] 62,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 38, 18, 29, 84 ]
93
[ "38-18=20", "29+84=113", "113-20=93" ]
Current State: 93:[38, 18, 29, 84], Operations: [] Exploring Operation: 38-18=20, Resulting Numbers: [29, 84, 20] Generated Node #2: [29, 84, 20] from Operation: 38-18=20 Current State: 93:[29, 84, 20], Operations: ['38-18=20'] Exploring Operation: 29+84=113, Resulting Numbers: [20, 113] Generated Node #3: [20, 113] from Operation: 29+84=113 Current State: 93:[20, 113], Operations: ['38-18=20', '29+84=113'] Exploring Operation: 113-20=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[38, 18, 29, 84], Operations: [] Exploring Operation: 18+84=102, Resulting Numbers: [38, 29, 102] Generated Node #0,0: 93:[38, 29, 102] Operation: 18+84=102 Exploring Operation: 38-18=20, Resulting Numbers: [29, 84, 20] Generated Node #0,1: 93:[29, 84, 20] Operation: 38-18=20 Moving to Node #0,0 Current State: 93:[38, 29, 102], Operations: ['18+84=102'] Exploring Operation: 102-29=73, Resulting Numbers: [38, 73] Generated Node #0,0,0: 93:[38, 73] Operation: 102-29=73 Exploring Operation: 38-29=9, Resulting Numbers: [102, 9] Generated Node #0,0,1: 93:[102, 9] Operation: 38-29=9 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[102, 9], Operations: ['18+84=102', '38-29=9'] Exploring Operation: 102-9=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[38, 18, 29, 84], Operations: [] Exploring Operation: 18+84=102, Resulting Numbers: [38, 29, 102] Generated Node #0,0: 93:[38, 29, 102] Operation: 18+84=102 Moving to Node #0,0 Current State: 93:[38, 29, 102], Operations: ['18+84=102'] Exploring Operation: 38-29=9, Resulting Numbers: [102, 9] Generated Node #0,0,1: 93:[102, 9] Operation: 38-29=9 Moving to Node #0,0,1 Current State: 93:[102, 9], Operations: ['18+84=102', '38-29=9'] Exploring Operation: 102-9=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 1, 25, 74, 1 ]
100
[ "1+25=26", "74*1=74", "26+74=100" ]
Current State: 100:[1, 25, 74, 1], Operations: [] Exploring Operation: 1+25=26, Resulting Numbers: [74, 26] Generated Node #2: [74, 26] from Operation: 1+25=26 Current State: 100:[74, 26], Operations: ['1+25=26'] Exploring Operation: 74*1=74, Resulting Numbers: [26, 74] Generated Node #3: [26, 74] from Operation: 74*1=74 Current State: 100:[26, 74], Operations: ['1+25=26', '74*1=74'] Exploring Operation: 26+74=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[1, 25, 74, 1], Operations: [] Exploring Operation: 25+74=99, Resulting Numbers: [1, 1, 99] Generated Node #0,0: 100:[1, 1, 99] Operation: 25+74=99 Exploring Operation: 74-1=73, Resulting Numbers: [25, 1, 73] Generated Node #0,1: 100:[25, 1, 73] Operation: 74-1=73 Exploring Operation: 74-1=73, Resulting Numbers: [1, 25, 73] Generated Node #0,2: 100:[1, 25, 73] Operation: 74-1=73 Exploring Operation: 1+1=2, Resulting Numbers: [25, 74, 2] Generated Node #0,3: 100:[25, 74, 2] Operation: 1+1=2 Exploring Operation: 74-25=49, Resulting Numbers: [1, 1, 49] Generated Node #0,4: 100:[1, 1, 49] Operation: 74-25=49 Moving to Node #0,0 Current State: 100:[1, 1, 99], Operations: ['25+74=99'] Exploring Operation: 1+99=100, Resulting Numbers: [1, 100] Generated Node #0,0,0: 100:[1, 100] Operation: 1+99=100 Exploring Operation: 1+1=2, Resulting Numbers: [99, 2] Generated Node #0,0,1: 100:[99, 2] Operation: 1+1=2 Exploring Operation: 1*1=1, Resulting Numbers: [99, 1] Generated Node #0,0,2: 100:[99, 1] Operation: 1*1=1 Exploring Operation: 1+99=100, Resulting Numbers: [1, 100] Generated Node #0,0,3: 100:[1, 100] Operation: 1+99=100 Exploring Operation: 1/1=1, Resulting Numbers: [99, 1] Generated Node #0,0,4: 100:[99, 1] Operation: 1/1=1 Moving to Node #0,4 Current State: 100:[1, 1, 49], Operations: ['74-25=49'] Exploring Operation: 1+49=50, Resulting Numbers: [1, 50] Generated Node #0,4,0: 100:[1, 50] Operation: 1+49=50 Exploring Operation: 1+49=50, Resulting Numbers: [1, 50] Generated Node #0,4,1: 100:[1, 50] Operation: 1+49=50 Exploring Operation: 1/1=1, Resulting Numbers: [49, 1] Generated Node #0,4,2: 100:[49, 1] Operation: 1/1=1 Exploring Operation: 1+1=2, Resulting Numbers: [49, 2] Generated Node #0,4,3: 100:[49, 2] Operation: 1+1=2 Exploring Operation: 1*1=1, Resulting Numbers: [49, 1] Generated Node #0,4,4: 100:[49, 1] Operation: 1*1=1 Moving to Node #0,1 Current State: 100:[25, 1, 73], Operations: ['74-1=73'] Exploring Operation: 25*1=25, Resulting Numbers: [73, 25] Generated Node #0,1,0: 100:[73, 25] Operation: 25*1=25 Exploring Operation: 73-1=72, Resulting Numbers: [25, 72] Generated Node #0,1,1: 100:[25, 72] Operation: 73-1=72 Exploring Operation: 25/1=25, Resulting Numbers: [73, 25] Generated Node #0,1,2: 100:[73, 25] Operation: 25/1=25 Exploring Operation: 73-25=48, Resulting Numbers: [1, 48] Generated Node #0,1,3: 100:[1, 48] Operation: 73-25=48 Exploring Operation: 25+73=98, Resulting Numbers: [1, 98] Generated Node #0,1,4: 100:[1, 98] Operation: 25+73=98 Moving to Node #0,2 Current State: 100:[1, 25, 73], Operations: ['74-1=73'] Exploring Operation: 1*25=25, Resulting Numbers: [73, 25] Generated Node #0,2,0: 100:[73, 25] Operation: 1*25=25 Exploring Operation: 25/1=25, Resulting Numbers: [73, 25] Generated Node #0,2,1: 100:[73, 25] Operation: 25/1=25 Exploring Operation: 25+73=98, Resulting Numbers: [1, 98] Generated Node #0,2,2: 100:[1, 98] Operation: 25+73=98 Exploring Operation: 73-25=48, Resulting Numbers: [1, 48] Generated Node #0,2,3: 100:[1, 48] Operation: 73-25=48 Exploring Operation: 73-1=72, Resulting Numbers: [25, 72] Generated Node #0,2,4: 100:[25, 72] Operation: 73-1=72 Moving to Node #0,3 Current State: 100:[25, 74, 2], Operations: ['1+1=2'] Exploring Operation: 25*2=50, Resulting Numbers: [74, 50] Generated Node #0,3,0: 100:[74, 50] Operation: 25*2=50 Exploring Operation: 74-2=72, Resulting Numbers: [25, 72] Generated Node #0,3,1: 100:[25, 72] Operation: 74-2=72 Exploring Operation: 74/2=37, Resulting Numbers: [25, 37] Generated Node #0,3,2: 100:[25, 37] Operation: 74/2=37 Exploring Operation: 25+74=99, Resulting Numbers: [2, 99] Generated Node #0,3,3: 100:[2, 99] Operation: 25+74=99 Exploring Operation: 74-25=49, Resulting Numbers: [2, 49] Generated Node #0,3,4: 100:[2, 49] Operation: 74-25=49 Moving to Node #0,0,0 Current State: 100:[1, 100], Operations: ['25+74=99', '1+99=100'] Exploring Operation: 100/1=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[1, 25, 74, 1], Operations: [] Exploring Operation: 25+74=99, Resulting Numbers: [1, 1, 99] Generated Node #0,0: 100:[1, 1, 99] Operation: 25+74=99 Moving to Node #0,0 Current State: 100:[1, 1, 99], Operations: ['25+74=99'] Exploring Operation: 1+99=100, Resulting Numbers: [1, 100] Generated Node #0,0,0: 100:[1, 100] Operation: 1+99=100 Moving to Node #0,0,0 Current State: 100:[1, 100], Operations: ['25+74=99', '1+99=100'] Exploring Operation: 100/1=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
0.969618
hs_5
sum_heuristic
[ 68, 16, 8, 41 ]
51
[ "68+16=84", "41-8=33", "84-33=51" ]
Current State: 51:[68, 16, 8, 41], Operations: [] Exploring Operation: 68+16=84, Resulting Numbers: [8, 41, 84] Generated Node #2: [8, 41, 84] from Operation: 68+16=84 Current State: 51:[8, 41, 84], Operations: ['68+16=84'] Exploring Operation: 41-8=33, Resulting Numbers: [84, 33] Generated Node #3: [84, 33] from Operation: 41-8=33 Current State: 51:[84, 33], Operations: ['68+16=84', '41-8=33'] Exploring Operation: 84-33=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[68, 16, 8, 41], Operations: [] Exploring Operation: 68-8=60, Resulting Numbers: [16, 41, 60] Generated Node #0,0: 51:[16, 41, 60] Operation: 68-8=60 Exploring Operation: 68-16=52, Resulting Numbers: [8, 41, 52] Generated Node #0,1: 51:[8, 41, 52] Operation: 68-16=52 Exploring Operation: 68-41=27, Resulting Numbers: [16, 8, 27] Generated Node #0,2: 51:[16, 8, 27] Operation: 68-41=27 Moving to Node #0,1 Current State: 51:[8, 41, 52], Operations: ['68-16=52'] Exploring Operation: 41-8=33, Resulting Numbers: [52, 33] Generated Node #0,1,0: 51:[52, 33] Operation: 41-8=33 Exploring Operation: 52-41=11, Resulting Numbers: [8, 11] Generated Node #0,1,1: 51:[8, 11] Operation: 52-41=11 Exploring Operation: 8+41=49, Resulting Numbers: [52, 49] Generated Node #0,1,2: 51:[52, 49] Operation: 8+41=49 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 51:[52, 49], Operations: ['68-16=52', '8+41=49'] Exploring Operation: 52+49=101, Resulting Numbers: [101] 101,51 unequal: No Solution Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 52*49=2548, Resulting Numbers: [2548] 2548,51 unequal: No Solution No 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: 51:[8, 11], Operations: ['68-16=52', '52-41=11'] Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,51 unequal: No Solution Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,51 unequal: No Solution No 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: 51:[52, 33], Operations: ['68-16=52', '41-8=33'] Exploring Operation: 52-33=19, Resulting Numbers: [19] 19,51 unequal: No Solution Exploring Operation: 52+33=85, Resulting Numbers: [85] 85,51 unequal: No Solution Exploring Operation: 52*33=1716, Resulting Numbers: [1716] 1716,51 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: 51:[16, 8, 27], Operations: ['68-41=27'] Exploring Operation: 27-16=11, Resulting Numbers: [8, 11] Generated Node #0,2,0: 51:[8, 11] Operation: 27-16=11 Exploring Operation: 27-8=19, Resulting Numbers: [16, 19] Generated Node #0,2,1: 51:[16, 19] Operation: 27-8=19 Exploring Operation: 16/8=2, Resulting Numbers: [27, 2] Generated Node #0,2,2: 51:[27, 2] Operation: 16/8=2 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 51:[16, 19], Operations: ['68-41=27', '27-8=19'] Exploring Operation: 16*19=304, Resulting Numbers: [304] 304,51 unequal: No Solution Exploring Operation: 16+19=35, Resulting Numbers: [35] 35,51 unequal: No Solution Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,51 unequal: No Solution No 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: 51:[8, 11], Operations: ['68-41=27', '27-16=11'] Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,51 unequal: No Solution Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,51 unequal: No Solution No 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: 51:[27, 2], Operations: ['68-41=27', '16/8=2'] Exploring Operation: 27*2=54, Resulting Numbers: [54] 54,51 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,51 unequal: No Solution Exploring Operation: 27+2=29, Resulting Numbers: [29] 29,51 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: 51:[16, 41, 60], Operations: ['68-8=60'] Exploring Operation: 41-16=25, Resulting Numbers: [60, 25] Generated Node #0,0,0: 51:[60, 25] Operation: 41-16=25 Exploring Operation: 60-41=19, Resulting Numbers: [16, 19] Generated Node #0,0,1: 51:[16, 19] Operation: 60-41=19 Exploring Operation: 16+41=57, Resulting Numbers: [60, 57] Generated Node #0,0,2: 51:[60, 57] Operation: 16+41=57 Moving to Node #0,0,1 Current State: 51:[16, 19], Operations: ['68-8=60', '60-41=19'] Exploring Operation: 16+19=35, Resulting Numbers: [35] 35,51 unequal: No Solution Exploring Operation: 16*19=304, Resulting Numbers: [304] 304,51 unequal: No Solution Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,51 unequal: No Solution Moving to Node #0,0,2 Current State: 51:[60, 57], Operations: ['68-8=60', '16+41=57'] Exploring Operation: 60-57=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 60+57=117, Resulting Numbers: [117] 117,51 unequal: No Solution Exploring Operation: 60*57=3420, Resulting Numbers: [3420] 3420,51 unequal: No Solution Moving to Node #0,0,0 Current State: 51:[60, 25], Operations: ['68-8=60', '41-16=25'] Exploring Operation: 60-25=35, Resulting Numbers: [35] 35,51 unequal: No Solution Exploring Operation: 60*25=1500, Resulting Numbers: [1500] 1500,51 unequal: No Solution Exploring Operation: 60+25=85, Resulting Numbers: [85] 85,51 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 30, 18, 25, 12 ]
26
[ "30-18=12", "12/12=1", "25+1=26" ]
Current State: 26:[30, 18, 25, 12], Operations: [] Exploring Operation: 30-18=12, Resulting Numbers: [25, 12, 12] Generated Node #2: [25, 12, 12] from Operation: 30-18=12 Current State: 26:[25, 12, 12], Operations: ['30-18=12'] Exploring Operation: 12/12=1, Resulting Numbers: [25, 1] Generated Node #3: [25, 1] from Operation: 12/12=1 Current State: 26:[25, 1], Operations: ['30-18=12', '12/12=1'] Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[30, 18, 25, 12], Operations: [] Exploring Operation: 30-18=12, Resulting Numbers: [25, 12, 12] Generated Node #0,0: 26:[25, 12, 12] Operation: 30-18=12 Moving to Node #0,0 Current State: 26:[25, 12, 12], Operations: ['30-18=12'] Exploring Operation: 25-12=13, Resulting Numbers: [12, 13] Generated Node #0,0,0: 26:[12, 13] Operation: 25-12=13 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[12, 13], Operations: ['30-18=12', '25-12=13'] Exploring Operation: 12+13=25, Resulting Numbers: [25] 25,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 93, 42, 22, 1 ]
29
[ "93-42=51", "22*1=22", "51-22=29" ]
Current State: 29:[93, 42, 22, 1], Operations: [] Exploring Operation: 93-42=51, Resulting Numbers: [22, 1, 51] Generated Node #2: [22, 1, 51] from Operation: 93-42=51 Current State: 29:[22, 1, 51], Operations: ['93-42=51'] Exploring Operation: 22*1=22, Resulting Numbers: [51, 22] Generated Node #3: [51, 22] from Operation: 22*1=22 Current State: 29:[51, 22], Operations: ['93-42=51', '22*1=22'] Exploring Operation: 51-22=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[93, 42, 22, 1], Operations: [] Exploring Operation: 42-1=41, Resulting Numbers: [93, 22, 41] Generated Node #0,0: 29:[93, 22, 41] Operation: 42-1=41 Exploring Operation: 93-42=51, Resulting Numbers: [22, 1, 51] Generated Node #0,1: 29:[22, 1, 51] Operation: 93-42=51 Exploring Operation: 93-22=71, Resulting Numbers: [42, 1, 71] Generated Node #0,2: 29:[42, 1, 71] Operation: 93-22=71 Exploring Operation: 93-1=92, Resulting Numbers: [42, 22, 92] Generated Node #0,3: 29:[42, 22, 92] Operation: 93-1=92 Moving to Node #0,1 Current State: 29:[22, 1, 51], Operations: ['93-42=51'] Exploring Operation: 22*1=22, Resulting Numbers: [51, 22] Generated Node #0,1,0: 29:[51, 22] Operation: 22*1=22 Exploring Operation: 22+1=23, Resulting Numbers: [51, 23] Generated Node #0,1,1: 29:[51, 23] Operation: 22+1=23 Exploring Operation: 51-22=29, Resulting Numbers: [1, 29] Generated Node #0,1,2: 29:[1, 29] Operation: 51-22=29 Exploring Operation: 51-1=50, Resulting Numbers: [22, 50] Generated Node #0,1,3: 29:[22, 50] Operation: 51-1=50 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 29:[51, 23], Operations: ['93-42=51', '22+1=23'] Exploring Operation: 51+23=74, Resulting Numbers: [74] 74,29 unequal: No Solution Exploring Operation: 51*23=1173, Resulting Numbers: [1173] 1173,29 unequal: No Solution Exploring Operation: 51-23=28, Resulting Numbers: [28] 28,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 29:[1, 29], Operations: ['93-42=51', '51-22=29'] Exploring Operation: 1*29=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[93, 42, 22, 1], Operations: [] Exploring Operation: 93-42=51, Resulting Numbers: [22, 1, 51] Generated Node #0,1: 29:[22, 1, 51] Operation: 93-42=51 Moving to Node #0,1 Current State: 29:[22, 1, 51], Operations: ['93-42=51'] Exploring Operation: 51-22=29, Resulting Numbers: [1, 29] Generated Node #0,1,2: 29:[1, 29] Operation: 51-22=29 Moving to Node #0,1,2 Current State: 29:[1, 29], Operations: ['93-42=51', '51-22=29'] Exploring Operation: 1*29=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 87, 78, 40, 37 ]
88
[ "87+78=165", "40+37=77", "165-77=88" ]
Current State: 88:[87, 78, 40, 37], Operations: [] Exploring Operation: 87+78=165, Resulting Numbers: [40, 37, 165] Generated Node #2: [40, 37, 165] from Operation: 87+78=165 Current State: 88:[40, 37, 165], Operations: ['87+78=165'] Exploring Operation: 40+37=77, Resulting Numbers: [165, 77] Generated Node #3: [165, 77] from Operation: 40+37=77 Current State: 88:[165, 77], Operations: ['87+78=165', '40+37=77'] Exploring Operation: 165-77=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[87, 78, 40, 37], Operations: [] Exploring Operation: 78-37=41, Resulting Numbers: [87, 40, 41] Generated Node #0,0: 88:[87, 40, 41] Operation: 78-37=41 Moving to Node #0,0 Current State: 88:[87, 40, 41], Operations: ['78-37=41'] Exploring Operation: 41-40=1, Resulting Numbers: [87, 1] Generated Node #0,0,0: 88:[87, 1] Operation: 41-40=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[87, 1], Operations: ['78-37=41', '41-40=1'] Exploring Operation: 87+1=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[87, 78, 40, 37], Operations: [] Exploring Operation: 78-37=41, Resulting Numbers: [87, 40, 41] Generated Node #0,0: 88:[87, 40, 41] Operation: 78-37=41 Moving to Node #0,0 Current State: 88:[87, 40, 41], Operations: ['78-37=41'] Exploring Operation: 41-40=1, Resulting Numbers: [87, 1] Generated Node #0,0,0: 88:[87, 1] Operation: 41-40=1 Moving to Node #0,0,0 Current State: 88:[87, 1], Operations: ['78-37=41', '41-40=1'] Exploring Operation: 87+1=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 2, 6, 57, 4 ]
69
[ "2+6=8", "57+4=61", "8+61=69" ]
Current State: 69:[2, 6, 57, 4], Operations: [] Exploring Operation: 2+6=8, Resulting Numbers: [57, 4, 8] Generated Node #2: [57, 4, 8] from Operation: 2+6=8 Current State: 69:[57, 4, 8], Operations: ['2+6=8'] Exploring Operation: 57+4=61, Resulting Numbers: [8, 61] Generated Node #3: [8, 61] from Operation: 57+4=61 Current State: 69:[8, 61], Operations: ['2+6=8', '57+4=61'] Exploring Operation: 8+61=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[2, 6, 57, 4], Operations: [] Exploring Operation: 6+57=63, Resulting Numbers: [2, 4, 63] Generated Node #0,0: 69:[2, 4, 63] Operation: 6+57=63 Exploring Operation: 57+4=61, Resulting Numbers: [2, 6, 61] Generated Node #0,1: 69:[2, 6, 61] Operation: 57+4=61 Exploring Operation: 6/2=3, Resulting Numbers: [57, 4, 3] Generated Node #0,2: 69:[57, 4, 3] Operation: 6/2=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[2, 4, 63], Operations: ['6+57=63'] Exploring Operation: 4-2=2, Resulting Numbers: [63, 2] Generated Node #0,0,0: 69:[63, 2] Operation: 4-2=2 Exploring Operation: 4+63=67, Resulting Numbers: [2, 67] Generated Node #0,0,1: 69:[2, 67] Operation: 4+63=67 Exploring Operation: 2+63=65, Resulting Numbers: [4, 65] Generated Node #0,0,2: 69:[4, 65] Operation: 2+63=65 Moving to Node #0,0,1 Current State: 69:[2, 67], Operations: ['6+57=63', '4+63=67'] Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,69 unequal: No Solution Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[2, 6, 57, 4], Operations: [] Exploring Operation: 6+57=63, Resulting Numbers: [2, 4, 63] Generated Node #0,0: 69:[2, 4, 63] Operation: 6+57=63 Moving to Node #0,0 Current State: 69:[2, 4, 63], Operations: ['6+57=63'] Exploring Operation: 4+63=67, Resulting Numbers: [2, 67] Generated Node #0,0,1: 69:[2, 67] Operation: 4+63=67 Moving to Node #0,0,1 Current State: 69:[2, 67], Operations: ['6+57=63', '4+63=67'] Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 17, 2, 42, 7 ]
22
[ "17-7=10", "2*10=20", "42-20=22" ]
Current State: 22:[17, 2, 42, 7], Operations: [] Exploring Operation: 17-7=10, Resulting Numbers: [2, 42, 10] Generated Node #2: [2, 42, 10] from Operation: 17-7=10 Current State: 22:[2, 42, 10], Operations: ['17-7=10'] Exploring Operation: 2*10=20, Resulting Numbers: [42, 20] Generated Node #3: [42, 20] from Operation: 2*10=20 Current State: 22:[42, 20], Operations: ['17-7=10', '2*10=20'] Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[17, 2, 42, 7], Operations: [] Exploring Operation: 42/7=6, Resulting Numbers: [17, 2, 6] Generated Node #0,0: 22:[17, 2, 6] Operation: 42/7=6 Exploring Operation: 42-17=25, Resulting Numbers: [2, 7, 25] Generated Node #0,1: 22:[2, 7, 25] Operation: 42-17=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[2, 7, 25], Operations: ['42-17=25'] Exploring Operation: 25-7=18, Resulting Numbers: [2, 18] Generated Node #0,1,0: 22:[2, 18] Operation: 25-7=18 Exploring Operation: 2+7=9, Resulting Numbers: [25, 9] Generated Node #0,1,1: 22:[25, 9] Operation: 2+7=9 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 22:[2, 18], Operations: ['42-17=25', '25-7=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,22 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 22:[25, 9], Operations: ['42-17=25', '2+7=9'] Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,22 unequal: No Solution Exploring Operation: 25+9=34, Resulting Numbers: [34] 34,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[17, 2, 6], Operations: ['42/7=6'] Exploring Operation: 17+6=23, Resulting Numbers: [2, 23] Generated Node #0,0,0: 22:[2, 23] Operation: 17+6=23 Exploring Operation: 17-6=11, Resulting Numbers: [2, 11] Generated Node #0,0,1: 22:[2, 11] Operation: 17-6=11 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 22:[2, 11], Operations: ['42/7=6', '17-6=11'] Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[17, 2, 42, 7], Operations: [] Exploring Operation: 42/7=6, Resulting Numbers: [17, 2, 6] Generated Node #0,0: 22:[17, 2, 6] Operation: 42/7=6 Moving to Node #0,0 Current State: 22:[17, 2, 6], Operations: ['42/7=6'] Exploring Operation: 17-6=11, Resulting Numbers: [2, 11] Generated Node #0,0,1: 22:[2, 11] Operation: 17-6=11 Moving to Node #0,0,1 Current State: 22:[2, 11], Operations: ['42/7=6', '17-6=11'] Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 93, 22, 14, 80 ]
21
[ "93+22=115", "14+80=94", "115-94=21" ]
Current State: 21:[93, 22, 14, 80], Operations: [] Exploring Operation: 93+22=115, Resulting Numbers: [14, 80, 115] Generated Node #2: [14, 80, 115] from Operation: 93+22=115 Current State: 21:[14, 80, 115], Operations: ['93+22=115'] Exploring Operation: 14+80=94, Resulting Numbers: [115, 94] Generated Node #3: [115, 94] from Operation: 14+80=94 Current State: 21:[115, 94], Operations: ['93+22=115', '14+80=94'] Exploring Operation: 115-94=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[93, 22, 14, 80], Operations: [] Exploring Operation: 93-22=71, Resulting Numbers: [14, 80, 71] Generated Node #0,0: 21:[14, 80, 71] Operation: 93-22=71 Exploring Operation: 93-80=13, Resulting Numbers: [22, 14, 13] Generated Node #0,1: 21:[22, 14, 13] Operation: 93-80=13 Moving to Node #0,1 Current State: 21:[22, 14, 13], Operations: ['93-80=13'] Exploring Operation: 14-13=1, Resulting Numbers: [22, 1] Generated Node #0,1,0: 21:[22, 1] Operation: 14-13=1 Exploring Operation: 22-14=8, Resulting Numbers: [13, 8] Generated Node #0,1,1: 21:[13, 8] Operation: 22-14=8 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 21:[22, 1], Operations: ['93-80=13', '14-13=1'] Exploring Operation: 22-1=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[93, 22, 14, 80], Operations: [] Exploring Operation: 93-80=13, Resulting Numbers: [22, 14, 13] Generated Node #0,1: 21:[22, 14, 13] Operation: 93-80=13 Moving to Node #0,1 Current State: 21:[22, 14, 13], Operations: ['93-80=13'] Exploring Operation: 14-13=1, Resulting Numbers: [22, 1] Generated Node #0,1,0: 21:[22, 1] Operation: 14-13=1 Moving to Node #0,1,0 Current State: 21:[22, 1], Operations: ['93-80=13', '14-13=1'] Exploring Operation: 22-1=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 34, 99, 32, 37 ]
71
[ "37-32=5", "34*5=170", "170-99=71" ]
Current State: 71:[34, 99, 32, 37], Operations: [] Exploring Operation: 37-32=5, Resulting Numbers: [34, 99, 5] Generated Node #2: [34, 99, 5] from Operation: 37-32=5 Current State: 71:[34, 99, 5], Operations: ['37-32=5'] Exploring Operation: 34*5=170, Resulting Numbers: [99, 170] Generated Node #3: [99, 170] from Operation: 34*5=170 Current State: 71:[99, 170], Operations: ['37-32=5', '34*5=170'] Exploring Operation: 170-99=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[34, 99, 32, 37], Operations: [] Exploring Operation: 99-32=67, Resulting Numbers: [34, 37, 67] Generated Node #0,0: 71:[34, 37, 67] Operation: 99-32=67 Exploring Operation: 32+37=69, Resulting Numbers: [34, 99, 69] Generated Node #0,1: 71:[34, 99, 69] Operation: 32+37=69 Exploring Operation: 34+37=71, Resulting Numbers: [99, 32, 71] Generated Node #0,2: 71:[99, 32, 71] Operation: 34+37=71 Exploring Operation: 34+32=66, Resulting Numbers: [99, 37, 66] Generated Node #0,3: 71:[99, 37, 66] Operation: 34+32=66 Moving to Node #0,1 Current State: 71:[34, 99, 69], Operations: ['32+37=69'] Exploring Operation: 34+69=103, Resulting Numbers: [99, 103] Generated Node #0,1,0: 71:[99, 103] Operation: 34+69=103 Exploring Operation: 69-34=35, Resulting Numbers: [99, 35] Generated Node #0,1,1: 71:[99, 35] Operation: 69-34=35 Exploring Operation: 99-34=65, Resulting Numbers: [69, 65] Generated Node #0,1,2: 71:[69, 65] Operation: 99-34=65 Exploring Operation: 34+99=133, Resulting Numbers: [69, 133] Generated Node #0,1,3: 71:[69, 133] Operation: 34+99=133 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 71:[69, 65], Operations: ['32+37=69', '99-34=65'] Exploring Operation: 69*65=4485, Resulting Numbers: [4485] 4485,71 unequal: No Solution Exploring Operation: 69+65=134, Resulting Numbers: [134] 134,71 unequal: No Solution Exploring Operation: 69-65=4, Resulting Numbers: [4] 4,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[99, 103], Operations: ['32+37=69', '34+69=103'] Exploring Operation: 99+103=202, Resulting Numbers: [202] 202,71 unequal: No Solution Exploring Operation: 103-99=4, Resulting Numbers: [4] 4,71 unequal: No Solution Exploring Operation: 99*103=10197, Resulting Numbers: [10197] 10197,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[99, 35], Operations: ['32+37=69', '69-34=35'] Exploring Operation: 99*35=3465, Resulting Numbers: [3465] 3465,71 unequal: No Solution Exploring Operation: 99-35=64, Resulting Numbers: [64] 64,71 unequal: No Solution Exploring Operation: 99+35=134, Resulting Numbers: [134] 134,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 71:[69, 133], Operations: ['32+37=69', '34+99=133'] Exploring Operation: 69*133=9177, Resulting Numbers: [9177] 9177,71 unequal: No Solution Exploring Operation: 69+133=202, Resulting Numbers: [202] 202,71 unequal: No Solution Exploring Operation: 133-69=64, Resulting Numbers: [64] 64,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 71:[99, 37, 66], Operations: ['34+32=66'] Exploring Operation: 99-37=62, Resulting Numbers: [66, 62] Generated Node #0,3,0: 71:[66, 62] Operation: 99-37=62 Exploring Operation: 37+66=103, Resulting Numbers: [99, 103] Generated Node #0,3,1: 71:[99, 103] Operation: 37+66=103 Exploring Operation: 66-37=29, Resulting Numbers: [99, 29] Generated Node #0,3,2: 71:[99, 29] Operation: 66-37=29 Exploring Operation: 99+37=136, Resulting Numbers: [66, 136] Generated Node #0,3,3: 71:[66, 136] Operation: 99+37=136 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 71:[66, 62], Operations: ['34+32=66', '99-37=62'] Exploring Operation: 66+62=128, Resulting Numbers: [128] 128,71 unequal: No Solution Exploring Operation: 66-62=4, Resulting Numbers: [4] 4,71 unequal: No Solution Exploring Operation: 66*62=4092, Resulting Numbers: [4092] 4092,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 71:[99, 103], Operations: ['34+32=66', '37+66=103'] Exploring Operation: 99+103=202, Resulting Numbers: [202] 202,71 unequal: No Solution Exploring Operation: 99*103=10197, Resulting Numbers: [10197] 10197,71 unequal: No Solution Exploring Operation: 103-99=4, Resulting Numbers: [4] 4,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 71:[99, 29], Operations: ['34+32=66', '66-37=29'] Exploring Operation: 99+29=128, Resulting Numbers: [128] 128,71 unequal: No Solution Exploring Operation: 99-29=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 99*29=2871, Resulting Numbers: [2871] 2871,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 71:[66, 136], Operations: ['34+32=66', '99+37=136'] Exploring Operation: 136-66=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 66+136=202, Resulting Numbers: [202] 202,71 unequal: No Solution Exploring Operation: 66*136=8976, Resulting Numbers: [8976] 8976,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 71:[99, 32, 71], Operations: ['34+37=71'] Exploring Operation: 71-32=39, Resulting Numbers: [99, 39] Generated Node #0,2,0: 71:[99, 39] Operation: 71-32=39 Exploring Operation: 99-32=67, Resulting Numbers: [71, 67] Generated Node #0,2,1: 71:[71, 67] Operation: 99-32=67 Exploring Operation: 32+71=103, Resulting Numbers: [99, 103] Generated Node #0,2,2: 71:[99, 103] Operation: 32+71=103 Exploring Operation: 99+32=131, Resulting Numbers: [71, 131] Generated Node #0,2,3: 71:[71, 131] Operation: 99+32=131 Moving to Node #0,0 Current State: 71:[34, 37, 67], Operations: ['99-32=67'] Exploring Operation: 34+37=71, Resulting Numbers: [67, 71] Generated Node #0,0,0: 71:[67, 71] Operation: 34+37=71 Exploring Operation: 37-34=3, Resulting Numbers: [67, 3] Generated Node #0,0,1: 71:[67, 3] Operation: 37-34=3 Exploring Operation: 37+67=104, Resulting Numbers: [34, 104] Generated Node #0,0,2: 71:[34, 104] Operation: 37+67=104 Exploring Operation: 34+67=101, Resulting Numbers: [37, 101] Generated Node #0,0,3: 71:[37, 101] Operation: 34+67=101 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[67, 71], Operations: ['99-32=67', '34+37=71'] Exploring Operation: 67*71=4757, Resulting Numbers: [4757] 4757,71 unequal: No Solution Exploring Operation: 71-67=4, Resulting Numbers: [4] 4,71 unequal: No Solution Exploring Operation: 67+71=138, Resulting Numbers: [138] 138,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 71:[37, 101], Operations: ['99-32=67', '34+67=101'] Exploring Operation: 37+101=138, Resulting Numbers: [138] 138,71 unequal: No Solution Exploring Operation: 37*101=3737, Resulting Numbers: [3737] 3737,71 unequal: No Solution Exploring Operation: 101-37=64, Resulting Numbers: [64] 64,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 71:[34, 104], Operations: ['99-32=67', '37+67=104'] Exploring Operation: 104-34=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 34*104=3536, Resulting Numbers: [3536] 3536,71 unequal: No Solution Exploring Operation: 34+104=138, Resulting Numbers: [138] 138,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[67, 3], Operations: ['99-32=67', '37-34=3'] Exploring Operation: 67*3=201, Resulting Numbers: [201] 201,71 unequal: No Solution Exploring Operation: 67+3=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 71:[71, 67], Operations: ['34+37=71', '99-32=67'] Exploring Operation: 71-67=4, Resulting Numbers: [4] 4,71 unequal: No Solution Exploring Operation: 71*67=4757, Resulting Numbers: [4757] 4757,71 unequal: No Solution Exploring Operation: 71+67=138, Resulting Numbers: [138] 138,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[99, 103], Operations: ['34+37=71', '32+71=103'] Exploring Operation: 99+103=202, Resulting Numbers: [202] 202,71 unequal: No Solution Exploring Operation: 103-99=4, Resulting Numbers: [4] 4,71 unequal: No Solution Exploring Operation: 99*103=10197, Resulting Numbers: [10197] 10197,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[99, 39], Operations: ['34+37=71', '71-32=39'] Exploring Operation: 99+39=138, Resulting Numbers: [138] 138,71 unequal: No Solution Exploring Operation: 99-39=60, Resulting Numbers: [60] 60,71 unequal: No Solution Exploring Operation: 99*39=3861, Resulting Numbers: [3861] 3861,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[71, 131], Operations: ['34+37=71', '99+32=131'] Exploring Operation: 71*131=9301, Resulting Numbers: [9301] 9301,71 unequal: No Solution Exploring Operation: 71+131=202, Resulting Numbers: [202] 202,71 unequal: No Solution Exploring Operation: 131-71=60, Resulting Numbers: [60] 60,71 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 80, 78, 77, 14 ]
40
[ "80-77=3", "78/3=26", "14+26=40" ]
Current State: 40:[80, 78, 77, 14], Operations: [] Exploring Operation: 80-77=3, Resulting Numbers: [78, 14, 3] Generated Node #2: [78, 14, 3] from Operation: 80-77=3 Current State: 40:[78, 14, 3], Operations: ['80-77=3'] Exploring Operation: 78/3=26, Resulting Numbers: [14, 26] Generated Node #3: [14, 26] from Operation: 78/3=26 Current State: 40:[14, 26], Operations: ['80-77=3', '78/3=26'] Exploring Operation: 14+26=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[80, 78, 77, 14], Operations: [] Exploring Operation: 78-14=64, Resulting Numbers: [80, 77, 64] Generated Node #0,0: 40:[80, 77, 64] Operation: 78-14=64 Exploring Operation: 80-14=66, Resulting Numbers: [78, 77, 66] Generated Node #0,1: 40:[78, 77, 66] Operation: 80-14=66 Exploring Operation: 80-77=3, Resulting Numbers: [78, 14, 3] Generated Node #0,2: 40:[78, 14, 3] Operation: 80-77=3 Exploring Operation: 80-78=2, Resulting Numbers: [77, 14, 2] Generated Node #0,3: 40:[77, 14, 2] Operation: 80-78=2 Exploring Operation: 78-77=1, Resulting Numbers: [80, 14, 1] Generated Node #0,4: 40:[80, 14, 1] Operation: 78-77=1 Start Sub Search at level 1: Moving to Node #0,3 Current State: 40:[77, 14, 2], Operations: ['80-78=2'] Exploring Operation: 77-2=75, Resulting Numbers: [14, 75] Generated Node #0,3,0: 40:[14, 75] Operation: 77-2=75 Exploring Operation: 14+2=16, Resulting Numbers: [77, 16] Generated Node #0,3,1: 40:[77, 16] Operation: 14+2=16 Exploring Operation: 14/2=7, Resulting Numbers: [77, 7] Generated Node #0,3,2: 40:[77, 7] Operation: 14/2=7 Exploring Operation: 14-2=12, Resulting Numbers: [77, 12] Generated Node #0,3,3: 40:[77, 12] Operation: 14-2=12 Exploring Operation: 77-14=63, Resulting Numbers: [2, 63] Generated Node #0,3,4: 40:[2, 63] Operation: 77-14=63 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 40:[2, 63], Operations: ['80-78=2', '77-14=63'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,40 unequal: No Solution Exploring Operation: 2+63=65, Resulting Numbers: [65] 65,40 unequal: No Solution Exploring Operation: 2*63=126, Resulting Numbers: [126] 126,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 40:[77, 7], Operations: ['80-78=2', '14/2=7'] Exploring Operation: 77/7=11, Resulting Numbers: [11] 11,40 unequal: No Solution Exploring Operation: 77-7=70, Resulting Numbers: [70] 70,40 unequal: No Solution Exploring Operation: 77+7=84, Resulting Numbers: [84] 84,40 unequal: No Solution Exploring Operation: 77*7=539, Resulting Numbers: [539] 539,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 40:[14, 75], Operations: ['80-78=2', '77-2=75'] Exploring Operation: 75-14=61, Resulting Numbers: [61] 61,40 unequal: No Solution Exploring Operation: 14*75=1050, Resulting Numbers: [1050] 1050,40 unequal: No Solution Exploring Operation: 14+75=89, Resulting Numbers: [89] 89,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 40:[77, 12], Operations: ['80-78=2', '14-2=12'] Exploring Operation: 77+12=89, Resulting Numbers: [89] 89,40 unequal: No Solution Exploring Operation: 77*12=924, Resulting Numbers: [924] 924,40 unequal: No Solution Exploring Operation: 77-12=65, Resulting Numbers: [65] 65,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 40:[77, 16], Operations: ['80-78=2', '14+2=16'] Exploring Operation: 77+16=93, Resulting Numbers: [93] 93,40 unequal: No Solution Exploring Operation: 77-16=61, Resulting Numbers: [61] 61,40 unequal: No Solution Exploring Operation: 77*16=1232, Resulting Numbers: [1232] 1232,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 40:[78, 14, 3], Operations: ['80-77=3'] Exploring Operation: 78-3=75, Resulting Numbers: [14, 75] Generated Node #0,2,0: 40:[14, 75] Operation: 78-3=75 Exploring Operation: 14*3=42, Resulting Numbers: [78, 42] Generated Node #0,2,1: 40:[78, 42] Operation: 14*3=42 Exploring Operation: 14-3=11, Resulting Numbers: [78, 11] Generated Node #0,2,2: 40:[78, 11] Operation: 14-3=11 Exploring Operation: 78-14=64, Resulting Numbers: [3, 64] Generated Node #0,2,3: 40:[3, 64] Operation: 78-14=64 Exploring Operation: 78/3=26, Resulting Numbers: [14, 26] Generated Node #0,2,4: 40:[14, 26] Operation: 78/3=26 Moving to Node #0,2,4 Current State: 40:[14, 26], Operations: ['80-77=3', '78/3=26'] Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,40 unequal: No Solution Exploring Operation: 14+26=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[80, 78, 77, 14], Operations: [] Exploring Operation: 80-77=3, Resulting Numbers: [78, 14, 3] Generated Node #0,2: 40:[78, 14, 3] Operation: 80-77=3 Moving to Node #0,2 Current State: 40:[78, 14, 3], Operations: ['80-77=3'] Exploring Operation: 78/3=26, Resulting Numbers: [14, 26] Generated Node #0,2,4: 40:[14, 26] Operation: 78/3=26 Moving to Node #0,2,4 Current State: 40:[14, 26], Operations: ['80-77=3', '78/3=26'] Exploring Operation: 14+26=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 76, 76, 31, 16 ]
46
[ "76/76=1", "31+16=47", "47-1=46" ]
Current State: 46:[76, 76, 31, 16], Operations: [] Exploring Operation: 76/76=1, Resulting Numbers: [31, 16, 1] Generated Node #2: [31, 16, 1] from Operation: 76/76=1 Current State: 46:[31, 16, 1], Operations: ['76/76=1'] Exploring Operation: 31+16=47, Resulting Numbers: [1, 47] Generated Node #3: [1, 47] from Operation: 31+16=47 Current State: 46:[1, 47], Operations: ['76/76=1', '31+16=47'] Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[76, 76, 31, 16], Operations: [] Exploring Operation: 76-31=45, Resulting Numbers: [76, 16, 45] Generated Node #0,0: 46:[76, 16, 45] Operation: 76-31=45 Exploring Operation: 76/76=1, Resulting Numbers: [31, 16, 1] Generated Node #0,1: 46:[31, 16, 1] Operation: 76/76=1 Exploring Operation: 76-31=45, Resulting Numbers: [76, 16, 45] Generated Node #0,2: 46:[76, 16, 45] Operation: 76-31=45 Exploring Operation: 76-76=0, Resulting Numbers: [31, 16, 0] Generated Node #0,3: 46:[31, 16, 0] Operation: 76-76=0 Moving to Node #0,1 Current State: 46:[31, 16, 1], Operations: ['76/76=1'] Exploring Operation: 16+1=17, Resulting Numbers: [31, 17] Generated Node #0,1,0: 46:[31, 17] Operation: 16+1=17 Exploring Operation: 31-1=30, Resulting Numbers: [16, 30] Generated Node #0,1,1: 46:[16, 30] Operation: 31-1=30 Exploring Operation: 31+16=47, Resulting Numbers: [1, 47] Generated Node #0,1,2: 46:[1, 47] Operation: 31+16=47 Exploring Operation: 31-16=15, Resulting Numbers: [1, 15] Generated Node #0,1,3: 46:[1, 15] Operation: 31-16=15 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 46:[1, 47], Operations: ['76/76=1', '31+16=47'] Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[76, 76, 31, 16], Operations: [] Exploring Operation: 76/76=1, Resulting Numbers: [31, 16, 1] Generated Node #0,1: 46:[31, 16, 1] Operation: 76/76=1 Moving to Node #0,1 Current State: 46:[31, 16, 1], Operations: ['76/76=1'] Exploring Operation: 31+16=47, Resulting Numbers: [1, 47] Generated Node #0,1,2: 46:[1, 47] Operation: 31+16=47 Moving to Node #0,1,2 Current State: 46:[1, 47], Operations: ['76/76=1', '31+16=47'] Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 8, 6, 36, 82 ]
96
[ "8+82=90", "36/6=6", "90+6=96" ]
Current State: 96:[8, 6, 36, 82], Operations: [] Exploring Operation: 8+82=90, Resulting Numbers: [6, 36, 90] Generated Node #2: [6, 36, 90] from Operation: 8+82=90 Current State: 96:[6, 36, 90], Operations: ['8+82=90'] Exploring Operation: 36/6=6, Resulting Numbers: [90, 6] Generated Node #3: [90, 6] from Operation: 36/6=6 Current State: 96:[90, 6], Operations: ['8+82=90', '36/6=6'] Exploring Operation: 90+6=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[8, 6, 36, 82], Operations: [] Exploring Operation: 82-36=46, Resulting Numbers: [8, 6, 46] Generated Node #0,0: 96:[8, 6, 46] Operation: 82-36=46 Exploring Operation: 8+82=90, Resulting Numbers: [6, 36, 90] Generated Node #0,1: 96:[6, 36, 90] Operation: 8+82=90 Moving to Node #0,0 Current State: 96:[8, 6, 46], Operations: ['82-36=46'] Exploring Operation: 8-6=2, Resulting Numbers: [46, 2] Generated Node #0,0,0: 96:[46, 2] Operation: 8-6=2 Exploring Operation: 8*6=48, Resulting Numbers: [46, 48] Generated Node #0,0,1: 96:[46, 48] Operation: 8*6=48 Moving to Node #0,1 Current State: 96:[6, 36, 90], Operations: ['8+82=90'] Exploring Operation: 90/6=15, Resulting Numbers: [36, 15] Generated Node #0,1,0: 96:[36, 15] Operation: 90/6=15 Exploring Operation: 6+90=96, Resulting Numbers: [36, 96] Generated Node #0,1,1: 96:[36, 96] Operation: 6+90=96 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 96:[36, 96], Operations: ['8+82=90', '6+90=96'] Exploring Operation: 36+96=132, Resulting Numbers: [132] 132,96 unequal: No Solution Exploring Operation: 96-36=60, Resulting Numbers: [60] 60,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[36, 15], Operations: ['8+82=90', '90/6=15'] Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 36+15=51, Resulting Numbers: [51] 51,96 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: 96:[46, 2], Operations: ['82-36=46', '8-6=2'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,96 unequal: No Solution Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[46, 48], Operations: ['82-36=46', '8*6=48'] Exploring Operation: 46+48=94, Resulting Numbers: [94] 94,96 unequal: No Solution Exploring Operation: 48-46=2, Resulting Numbers: [2] 2,96 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 11, 88, 46, 3 ]
70
[ "88/11=8", "3*8=24", "46+24=70" ]
Current State: 70:[11, 88, 46, 3], Operations: [] Exploring Operation: 88/11=8, Resulting Numbers: [46, 3, 8] Generated Node #2: [46, 3, 8] from Operation: 88/11=8 Current State: 70:[46, 3, 8], Operations: ['88/11=8'] Exploring Operation: 3*8=24, Resulting Numbers: [46, 24] Generated Node #3: [46, 24] from Operation: 3*8=24 Current State: 70:[46, 24], Operations: ['88/11=8', '3*8=24'] Exploring Operation: 46+24=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[11, 88, 46, 3], Operations: [] Exploring Operation: 88-46=42, Resulting Numbers: [11, 3, 42] Generated Node #0,0: 70:[11, 3, 42] Operation: 88-46=42 Exploring Operation: 88/11=8, Resulting Numbers: [46, 3, 8] Generated Node #0,1: 70:[46, 3, 8] Operation: 88/11=8 Exploring Operation: 88-11=77, Resulting Numbers: [46, 3, 77] Generated Node #0,2: 70:[46, 3, 77] Operation: 88-11=77 Moving to Node #0,0 Current State: 70:[11, 3, 42], Operations: ['88-46=42'] Exploring Operation: 42-11=31, Resulting Numbers: [3, 31] Generated Node #0,0,0: 70:[3, 31] Operation: 42-11=31 Exploring Operation: 42/3=14, Resulting Numbers: [11, 14] Generated Node #0,0,1: 70:[11, 14] Operation: 42/3=14 Exploring Operation: 42-3=39, Resulting Numbers: [11, 39] Generated Node #0,0,2: 70:[11, 39] Operation: 42-3=39 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 70:[11, 14], Operations: ['88-46=42', '42/3=14'] Exploring Operation: 11*14=154, Resulting Numbers: [154] 154,70 unequal: No Solution Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,70 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[3, 31], Operations: ['88-46=42', '42-11=31'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,70 unequal: No Solution Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,70 unequal: No Solution Exploring Operation: 3+31=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 #0,0,2 Current State: 70:[11, 39], Operations: ['88-46=42', '42-3=39'] Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,70 unequal: No Solution Exploring Operation: 11*39=429, Resulting Numbers: [429] 429,70 unequal: No Solution Exploring Operation: 11+39=50, Resulting Numbers: [50] 50,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 70:[46, 3, 8], Operations: ['88/11=8'] Exploring Operation: 8-3=5, Resulting Numbers: [46, 5] Generated Node #0,1,0: 70:[46, 5] Operation: 8-3=5 Exploring Operation: 46-3=43, Resulting Numbers: [8, 43] Generated Node #0,1,1: 70:[8, 43] Operation: 46-3=43 Exploring Operation: 46-8=38, Resulting Numbers: [3, 38] Generated Node #0,1,2: 70:[3, 38] Operation: 46-8=38 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 70:[3, 38], Operations: ['88/11=8', '46-8=38'] Exploring Operation: 3*38=114, Resulting Numbers: [114] 114,70 unequal: No Solution Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,70 unequal: No Solution Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 70:[8, 43], Operations: ['88/11=8', '46-3=43'] Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,70 unequal: No Solution Exploring Operation: 8+43=51, Resulting Numbers: [51] 51,70 unequal: No Solution Exploring Operation: 8*43=344, Resulting Numbers: [344] 344,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 70:[46, 5], Operations: ['88/11=8', '8-3=5'] Exploring Operation: 46+5=51, Resulting Numbers: [51] 51,70 unequal: No Solution Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,70 unequal: No Solution Exploring Operation: 46*5=230, Resulting Numbers: [230] 230,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 70:[46, 3, 77], Operations: ['88-11=77'] Exploring Operation: 77-46=31, Resulting Numbers: [3, 31] Generated Node #0,2,0: 70:[3, 31] Operation: 77-46=31 Exploring Operation: 77-3=74, Resulting Numbers: [46, 74] Generated Node #0,2,1: 70:[46, 74] Operation: 77-3=74 Exploring Operation: 46-3=43, Resulting Numbers: [77, 43] Generated Node #0,2,2: 70:[77, 43] Operation: 46-3=43 Moving to Node #0,2,0 Current State: 70:[3, 31], Operations: ['88-11=77', '77-46=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,70 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,70 unequal: No Solution Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,70 unequal: No Solution Moving to Node #0,2,1 Current State: 70:[46, 74], Operations: ['88-11=77', '77-3=74'] Exploring Operation: 74-46=28, Resulting Numbers: [28] 28,70 unequal: No Solution Exploring Operation: 46+74=120, Resulting Numbers: [120] 120,70 unequal: No Solution Exploring Operation: 46*74=3404, Resulting Numbers: [3404] 3404,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[77, 43], Operations: ['88-11=77', '46-3=43'] Exploring Operation: 77-43=34, Resulting Numbers: [34] 34,70 unequal: No Solution Exploring Operation: 77+43=120, Resulting Numbers: [120] 120,70 unequal: No Solution Exploring Operation: 77*43=3311, Resulting Numbers: [3311] 3311,70 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 97, 2, 56, 34 ]
86
[ "56-34=22", "22/2=11", "97-11=86" ]
Current State: 86:[97, 2, 56, 34], Operations: [] Exploring Operation: 56-34=22, Resulting Numbers: [97, 2, 22] Generated Node #2: [97, 2, 22] from Operation: 56-34=22 Current State: 86:[97, 2, 22], Operations: ['56-34=22'] Exploring Operation: 22/2=11, Resulting Numbers: [97, 11] Generated Node #3: [97, 11] from Operation: 22/2=11 Current State: 86:[97, 11], Operations: ['56-34=22', '22/2=11'] Exploring Operation: 97-11=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[97, 2, 56, 34], Operations: [] Exploring Operation: 97-56=41, Resulting Numbers: [2, 34, 41] Generated Node #0,0: 86:[2, 34, 41] Operation: 97-56=41 Moving to Node #0,0 Current State: 86:[2, 34, 41], Operations: ['97-56=41'] Exploring Operation: 41-34=7, Resulting Numbers: [2, 7] Generated Node #0,0,0: 86:[2, 7] Operation: 41-34=7 Moving to Node #0,0,0 Current State: 86:[2, 7], Operations: ['97-56=41', '41-34=7'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,86 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 44, 62, 31, 68 ]
20
[ "44*62=2728", "2728/31=88", "88-68=20" ]
Current State: 20:[44, 62, 31, 68], Operations: [] Exploring Operation: 44*62=2728, Resulting Numbers: [31, 68, 2728] Generated Node #2: [31, 68, 2728] from Operation: 44*62=2728 Current State: 20:[31, 68, 2728], Operations: ['44*62=2728'] Exploring Operation: 2728/31=88, Resulting Numbers: [68, 88] Generated Node #3: [68, 88] from Operation: 2728/31=88 Current State: 20:[68, 88], Operations: ['44*62=2728', '2728/31=88'] Exploring Operation: 88-68=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[44, 62, 31, 68], Operations: [] Exploring Operation: 68-44=24, Resulting Numbers: [62, 31, 24] Generated Node #0,0: 20:[62, 31, 24] Operation: 68-44=24 Exploring Operation: 68-62=6, Resulting Numbers: [44, 31, 6] Generated Node #0,1: 20:[44, 31, 6] Operation: 68-62=6 Moving to Node #0,1 Current State: 20:[44, 31, 6], Operations: ['68-62=6'] Exploring Operation: 44-6=38, Resulting Numbers: [31, 38] Generated Node #0,1,0: 20:[31, 38] Operation: 44-6=38 Exploring Operation: 44-31=13, Resulting Numbers: [6, 13] Generated Node #0,1,1: 20:[6, 13] Operation: 44-31=13 Moving to Node #0,0 Current State: 20:[62, 31, 24], Operations: ['68-44=24'] Exploring Operation: 62-31=31, Resulting Numbers: [24, 31] Generated Node #0,0,0: 20:[24, 31] Operation: 62-31=31 Exploring Operation: 62/31=2, Resulting Numbers: [24, 2] Generated Node #0,0,1: 20:[24, 2] Operation: 62/31=2 Moving to Node #0,1,1 Current State: 20:[6, 13], Operations: ['68-62=6', '44-31=13'] Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,20 unequal: No Solution Moving to Node #0,0,1 Current State: 20:[24, 2], Operations: ['68-44=24', '62/31=2'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,20 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[24, 31], Operations: ['68-44=24', '62-31=31'] Exploring Operation: 31-24=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 24+31=55, Resulting Numbers: [55] 55,20 unequal: No Solution Moving to Node #0,1,0 Current State: 20:[31, 38], Operations: ['68-62=6', '44-6=38'] Exploring Operation: 38-31=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 31+38=69, Resulting Numbers: [69] 69,20 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 48, 42, 61, 28 ]
93
[ "48*28=1344", "1344/42=32", "61+32=93" ]
Current State: 93:[48, 42, 61, 28], Operations: [] Exploring Operation: 48*28=1344, Resulting Numbers: [42, 61, 1344] Generated Node #2: [42, 61, 1344] from Operation: 48*28=1344 Current State: 93:[42, 61, 1344], Operations: ['48*28=1344'] Exploring Operation: 1344/42=32, Resulting Numbers: [61, 32] Generated Node #3: [61, 32] from Operation: 1344/42=32 Current State: 93:[61, 32], Operations: ['48*28=1344', '1344/42=32'] Exploring Operation: 61+32=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[48, 42, 61, 28], Operations: [] Exploring Operation: 42+61=103, Resulting Numbers: [48, 28, 103] Generated Node #0,0: 93:[48, 28, 103] Operation: 42+61=103 Exploring Operation: 48+61=109, Resulting Numbers: [42, 28, 109] Generated Node #0,1: 93:[42, 28, 109] Operation: 48+61=109 Exploring Operation: 61-48=13, Resulting Numbers: [42, 28, 13] Generated Node #0,2: 93:[42, 28, 13] Operation: 61-48=13 Moving to Node #0,2 Current State: 93:[42, 28, 13], Operations: ['61-48=13'] Exploring Operation: 28+13=41, Resulting Numbers: [42, 41] Generated Node #0,2,0: 93:[42, 41] Operation: 28+13=41 Exploring Operation: 42-28=14, Resulting Numbers: [13, 14] Generated Node #0,2,1: 93:[13, 14] Operation: 42-28=14 Exploring Operation: 42-13=29, Resulting Numbers: [28, 29] Generated Node #0,2,2: 93:[28, 29] Operation: 42-13=29 Moving to Node #0,0 Current State: 93:[48, 28, 103], Operations: ['42+61=103'] Exploring Operation: 48+28=76, Resulting Numbers: [103, 76] Generated Node #0,0,0: 93:[103, 76] Operation: 48+28=76 Exploring Operation: 48-28=20, Resulting Numbers: [103, 20] Generated Node #0,0,1: 93:[103, 20] Operation: 48-28=20 Exploring Operation: 103-48=55, Resulting Numbers: [28, 55] Generated Node #0,0,2: 93:[28, 55] Operation: 103-48=55 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[103, 20], Operations: ['42+61=103', '48-28=20'] Exploring Operation: 103+20=123, Resulting Numbers: [123] 123,93 unequal: No Solution Exploring Operation: 103-20=83, Resulting Numbers: [83] 83,93 unequal: No Solution Exploring Operation: 103*20=2060, Resulting Numbers: [2060] 2060,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[103, 76], Operations: ['42+61=103', '48+28=76'] Exploring Operation: 103*76=7828, Resulting Numbers: [7828] 7828,93 unequal: No Solution Exploring Operation: 103-76=27, Resulting Numbers: [27] 27,93 unequal: No Solution Exploring Operation: 103+76=179, Resulting Numbers: [179] 179,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 93:[28, 55], Operations: ['42+61=103', '103-48=55'] Exploring Operation: 28*55=1540, Resulting Numbers: [1540] 1540,93 unequal: No Solution Exploring Operation: 55-28=27, Resulting Numbers: [27] 27,93 unequal: No Solution Exploring Operation: 28+55=83, Resulting Numbers: [83] 83,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 93:[42, 28, 109], Operations: ['48+61=109'] Exploring Operation: 109-42=67, Resulting Numbers: [28, 67] Generated Node #0,1,0: 93:[28, 67] Operation: 109-42=67 Exploring Operation: 109-28=81, Resulting Numbers: [42, 81] Generated Node #0,1,1: 93:[42, 81] Operation: 109-28=81 Exploring Operation: 42-28=14, Resulting Numbers: [109, 14] Generated Node #0,1,2: 93:[109, 14] Operation: 42-28=14 Moving to Node #0,2,2 Current State: 93:[28, 29], Operations: ['61-48=13', '42-13=29'] Exploring Operation: 29-28=1, Resulting Numbers: [1] 1,93 unequal: No Solution Exploring Operation: 28*29=812, Resulting Numbers: [812] 812,93 unequal: No Solution Exploring Operation: 28+29=57, Resulting Numbers: [57] 57,93 unequal: No Solution Moving to Node #0,2,1 Current State: 93:[13, 14], Operations: ['61-48=13', '42-28=14'] Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,93 unequal: No Solution Exploring Operation: 13*14=182, Resulting Numbers: [182] 182,93 unequal: No Solution Exploring Operation: 13+14=27, Resulting Numbers: [27] 27,93 unequal: No Solution Moving to Node #0,2,0 Current State: 93:[42, 41], Operations: ['61-48=13', '28+13=41'] Exploring Operation: 42-41=1, Resulting Numbers: [1] 1,93 unequal: No Solution Exploring Operation: 42*41=1722, Resulting Numbers: [1722] 1722,93 unequal: No Solution Exploring Operation: 42+41=83, Resulting Numbers: [83] 83,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[42, 81], Operations: ['48+61=109', '109-28=81'] Exploring Operation: 42*81=3402, Resulting Numbers: [3402] 3402,93 unequal: No Solution Exploring Operation: 81-42=39, Resulting Numbers: [39] 39,93 unequal: No Solution Exploring Operation: 42+81=123, Resulting Numbers: [123] 123,93 unequal: No Solution Moving to Node #0,1,2 Current State: 93:[109, 14], Operations: ['48+61=109', '42-28=14'] Exploring Operation: 109*14=1526, Resulting Numbers: [1526] 1526,93 unequal: No Solution Exploring Operation: 109-14=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 109+14=123, Resulting Numbers: [123] 123,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[28, 67], Operations: ['48+61=109', '109-42=67'] Exploring Operation: 28+67=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 67-28=39, Resulting Numbers: [39] 39,93 unequal: No Solution Exploring Operation: 28*67=1876, Resulting Numbers: [1876] 1876,93 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 32, 47, 71, 10 ]
80
[ "32+47=79", "79-71=8", "10*8=80" ]
Current State: 80:[32, 47, 71, 10], Operations: [] Exploring Operation: 32+47=79, Resulting Numbers: [71, 10, 79] Generated Node #2: [71, 10, 79] from Operation: 32+47=79 Current State: 80:[71, 10, 79], Operations: ['32+47=79'] Exploring Operation: 79-71=8, Resulting Numbers: [10, 8] Generated Node #3: [10, 8] from Operation: 79-71=8 Current State: 80:[10, 8], Operations: ['32+47=79', '79-71=8'] Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[32, 47, 71, 10], Operations: [] Exploring Operation: 71-32=39, Resulting Numbers: [47, 10, 39] Generated Node #0,0: 80:[47, 10, 39] Operation: 71-32=39 Moving to Node #0,0 Current State: 80:[47, 10, 39], Operations: ['71-32=39'] Exploring Operation: 47-39=8, Resulting Numbers: [10, 8] Generated Node #0,0,0: 80:[10, 8] Operation: 47-39=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[10, 8], Operations: ['71-32=39', '47-39=8'] Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[32, 47, 71, 10], Operations: [] Exploring Operation: 71-32=39, Resulting Numbers: [47, 10, 39] Generated Node #0,0: 80:[47, 10, 39] Operation: 71-32=39 Moving to Node #0,0 Current State: 80:[47, 10, 39], Operations: ['71-32=39'] Exploring Operation: 47-39=8, Resulting Numbers: [10, 8] Generated Node #0,0,0: 80:[10, 8] Operation: 47-39=8 Moving to Node #0,0,0 Current State: 80:[10, 8], Operations: ['71-32=39', '47-39=8'] Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 11, 44, 77, 84 ]
59
[ "44*84=3696", "3696/77=48", "11+48=59" ]
Current State: 59:[11, 44, 77, 84], Operations: [] Exploring Operation: 44*84=3696, Resulting Numbers: [11, 77, 3696] Generated Node #2: [11, 77, 3696] from Operation: 44*84=3696 Current State: 59:[11, 77, 3696], Operations: ['44*84=3696'] Exploring Operation: 3696/77=48, Resulting Numbers: [11, 48] Generated Node #3: [11, 48] from Operation: 3696/77=48 Current State: 59:[11, 48], Operations: ['44*84=3696', '3696/77=48'] Exploring Operation: 11+48=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[11, 44, 77, 84], Operations: [] Exploring Operation: 77-11=66, Resulting Numbers: [44, 84, 66] Generated Node #0,0: 59:[44, 84, 66] Operation: 77-11=66 Exploring Operation: 11+44=55, Resulting Numbers: [77, 84, 55] Generated Node #0,1: 59:[77, 84, 55] Operation: 11+44=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[44, 84, 66], Operations: ['77-11=66'] Exploring Operation: 84-66=18, Resulting Numbers: [44, 18] Generated Node #0,0,0: 59:[44, 18] Operation: 84-66=18 Exploring Operation: 84-44=40, Resulting Numbers: [66, 40] Generated Node #0,0,1: 59:[66, 40] Operation: 84-44=40 Moving to Node #0,0,1 Current State: 59:[66, 40], Operations: ['77-11=66', '84-44=40'] Exploring Operation: 66-40=26, Resulting Numbers: [26] 26,59 unequal: No Solution Exploring Operation: 66+40=106, Resulting Numbers: [106] 106,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[44, 18], Operations: ['77-11=66', '84-66=18'] Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,59 unequal: No Solution Exploring Operation: 44+18=62, Resulting Numbers: [62] 62,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[77, 84, 55], Operations: ['11+44=55'] Exploring Operation: 84-55=29, Resulting Numbers: [77, 29] Generated Node #0,1,0: 59:[77, 29] Operation: 84-55=29 Exploring Operation: 84-77=7, Resulting Numbers: [55, 7] Generated Node #0,1,1: 59:[55, 7] Operation: 84-77=7 Moving to Node #0,1,0 Current State: 59:[77, 29], Operations: ['11+44=55', '84-55=29'] Exploring Operation: 77-29=48, Resulting Numbers: [48] 48,59 unequal: No Solution Exploring Operation: 77+29=106, Resulting Numbers: [106] 106,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[55, 7], Operations: ['11+44=55', '84-77=7'] Exploring Operation: 55-7=48, Resulting Numbers: [48] 48,59 unequal: No Solution Exploring Operation: 55+7=62, Resulting Numbers: [62] 62,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 16, 27, 3, 30 ]
23
[ "30-16=14", "27/3=9", "14+9=23" ]
Current State: 23:[16, 27, 3, 30], Operations: [] Exploring Operation: 30-16=14, Resulting Numbers: [27, 3, 14] Generated Node #2: [27, 3, 14] from Operation: 30-16=14 Current State: 23:[27, 3, 14], Operations: ['30-16=14'] Exploring Operation: 27/3=9, Resulting Numbers: [14, 9] Generated Node #3: [14, 9] from Operation: 27/3=9 Current State: 23:[14, 9], Operations: ['30-16=14', '27/3=9'] Exploring Operation: 14+9=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[16, 27, 3, 30], Operations: [] Exploring Operation: 16+3=19, Resulting Numbers: [27, 30, 19] Generated Node #0,0: 23:[27, 30, 19] Operation: 16+3=19 Exploring Operation: 30-3=27, Resulting Numbers: [16, 27, 27] Generated Node #0,1: 23:[16, 27, 27] Operation: 30-3=27 Exploring Operation: 27-3=24, Resulting Numbers: [16, 30, 24] Generated Node #0,2: 23:[16, 30, 24] Operation: 27-3=24 Moving to Node #0,0 Current State: 23:[27, 30, 19], Operations: ['16+3=19'] Exploring Operation: 30-19=11, Resulting Numbers: [27, 11] Generated Node #0,0,0: 23:[27, 11] Operation: 30-19=11 Exploring Operation: 30-27=3, Resulting Numbers: [19, 3] Generated Node #0,0,1: 23:[19, 3] Operation: 30-27=3 Exploring Operation: 27-19=8, Resulting Numbers: [30, 8] Generated Node #0,0,2: 23:[30, 8] Operation: 27-19=8 Moving to Node #0,1 Current State: 23:[16, 27, 27], Operations: ['30-3=27'] Exploring Operation: 27-16=11, Resulting Numbers: [27, 11] Generated Node #0,1,0: 23:[27, 11] Operation: 27-16=11 Exploring Operation: 27-16=11, Resulting Numbers: [27, 11] Generated Node #0,1,1: 23:[27, 11] Operation: 27-16=11 Exploring Operation: 16+27=43, Resulting Numbers: [27, 43] Generated Node #0,1,2: 23:[27, 43] Operation: 16+27=43 Moving to Node #0,2 Current State: 23:[16, 30, 24], Operations: ['27-3=24'] Exploring Operation: 30-16=14, Resulting Numbers: [24, 14] Generated Node #0,2,0: 23:[24, 14] Operation: 30-16=14 Exploring Operation: 24-16=8, Resulting Numbers: [30, 8] Generated Node #0,2,1: 23:[30, 8] Operation: 24-16=8 Exploring Operation: 16+30=46, Resulting Numbers: [24, 46] Generated Node #0,2,2: 23:[24, 46] Operation: 16+30=46 Moving to Node #0,2,0 Current State: 23:[24, 14], Operations: ['27-3=24', '30-16=14'] Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,23 unequal: No Solution Exploring Operation: 24*14=336, Resulting Numbers: [336] 336,23 unequal: No Solution Exploring Operation: 24+14=38, Resulting Numbers: [38] 38,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[27, 11], Operations: ['16+3=19', '30-19=11'] Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 27+11=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 27*11=297, Resulting Numbers: [297] 297,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[27, 11], Operations: ['30-3=27', '27-16=11'] Exploring Operation: 27+11=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 27*11=297, Resulting Numbers: [297] 297,23 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[27, 11], Operations: ['30-3=27', '27-16=11'] Exploring Operation: 27+11=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 27*11=297, Resulting Numbers: [297] 297,23 unequal: No Solution Moving to Node #0,2,1 Current State: 23:[30, 8], Operations: ['27-3=24', '24-16=8'] Exploring Operation: 30*8=240, Resulting Numbers: [240] 240,23 unequal: No Solution Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,23 unequal: No Solution Exploring Operation: 30+8=38, Resulting Numbers: [38] 38,23 unequal: No Solution Moving to Node #0,0,2 Current State: 23:[30, 8], Operations: ['16+3=19', '27-19=8'] Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,23 unequal: No Solution Exploring Operation: 30+8=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 30*8=240, Resulting Numbers: [240] 240,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[19, 3], Operations: ['16+3=19', '30-27=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,23 unequal: No Solution Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[27, 43], Operations: ['30-3=27', '16+27=43'] Exploring Operation: 27+43=70, Resulting Numbers: [70] 70,23 unequal: No Solution Exploring Operation: 43-27=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 27*43=1161, Resulting Numbers: [1161] 1161,23 unequal: No Solution Moving to Node #0,2,2 Current State: 23:[24, 46], Operations: ['27-3=24', '16+30=46'] Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,23 unequal: No Solution Exploring Operation: 24+46=70, Resulting Numbers: [70] 70,23 unequal: No Solution Exploring Operation: 24*46=1104, Resulting Numbers: [1104] 1104,23 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 58, 30, 26, 21 ]
83
[ "58+30=88", "26-21=5", "88-5=83" ]
Current State: 83:[58, 30, 26, 21], Operations: [] Exploring Operation: 58+30=88, Resulting Numbers: [26, 21, 88] Generated Node #2: [26, 21, 88] from Operation: 58+30=88 Current State: 83:[26, 21, 88], Operations: ['58+30=88'] Exploring Operation: 26-21=5, Resulting Numbers: [88, 5] Generated Node #3: [88, 5] from Operation: 26-21=5 Current State: 83:[88, 5], Operations: ['58+30=88', '26-21=5'] Exploring Operation: 88-5=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[58, 30, 26, 21], Operations: [] Exploring Operation: 26+21=47, Resulting Numbers: [58, 30, 47] Generated Node #0,0: 83:[58, 30, 47] Operation: 26+21=47 Exploring Operation: 30+26=56, Resulting Numbers: [58, 21, 56] Generated Node #0,1: 83:[58, 21, 56] Operation: 30+26=56 Exploring Operation: 58+21=79, Resulting Numbers: [30, 26, 79] Generated Node #0,2: 83:[30, 26, 79] Operation: 58+21=79 Exploring Operation: 30+21=51, Resulting Numbers: [58, 26, 51] Generated Node #0,3: 83:[58, 26, 51] Operation: 30+21=51 Moving to Node #0,0 Current State: 83:[58, 30, 47], Operations: ['26+21=47'] Exploring Operation: 58+47=105, Resulting Numbers: [30, 105] Generated Node #0,0,0: 83:[30, 105] Operation: 58+47=105 Exploring Operation: 30+47=77, Resulting Numbers: [58, 77] Generated Node #0,0,1: 83:[58, 77] Operation: 30+47=77 Exploring Operation: 58+30=88, Resulting Numbers: [47, 88] Generated Node #0,0,2: 83:[47, 88] Operation: 58+30=88 Exploring Operation: 58-30=28, Resulting Numbers: [47, 28] Generated Node #0,0,3: 83:[47, 28] Operation: 58-30=28 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[58, 77], Operations: ['26+21=47', '30+47=77'] Exploring Operation: 77-58=19, Resulting Numbers: [19] 19,83 unequal: No Solution Exploring Operation: 58*77=4466, Resulting Numbers: [4466] 4466,83 unequal: No Solution Exploring Operation: 58+77=135, Resulting Numbers: [135] 135,83 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 #0,0,2 Current State: 83:[47, 88], Operations: ['26+21=47', '58+30=88'] Exploring Operation: 47+88=135, Resulting Numbers: [135] 135,83 unequal: No Solution Exploring Operation: 88-47=41, Resulting Numbers: [41] 41,83 unequal: No Solution Exploring Operation: 47*88=4136, Resulting Numbers: [4136] 4136,83 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 #0,0,0 Current State: 83:[30, 105], Operations: ['26+21=47', '58+47=105'] Exploring Operation: 30*105=3150, Resulting Numbers: [3150] 3150,83 unequal: No Solution Exploring Operation: 30+105=135, Resulting Numbers: [135] 135,83 unequal: No Solution Exploring Operation: 105-30=75, Resulting Numbers: [75] 75,83 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 #0,0,3 Current State: 83:[47, 28], Operations: ['26+21=47', '58-30=28'] Exploring Operation: 47-28=19, Resulting Numbers: [19] 19,83 unequal: No Solution Exploring Operation: 47+28=75, Resulting Numbers: [75] 75,83 unequal: No Solution Exploring Operation: 47*28=1316, Resulting Numbers: [1316] 1316,83 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: 83:[30, 26, 79], Operations: ['58+21=79'] Exploring Operation: 26+79=105, Resulting Numbers: [30, 105] Generated Node #0,2,0: 83:[30, 105] Operation: 26+79=105 Exploring Operation: 30+79=109, Resulting Numbers: [26, 109] Generated Node #0,2,1: 83:[26, 109] Operation: 30+79=109 Exploring Operation: 30-26=4, Resulting Numbers: [79, 4] Generated Node #0,2,2: 83:[79, 4] Operation: 30-26=4 Exploring Operation: 30+26=56, Resulting Numbers: [79, 56] Generated Node #0,2,3: 83:[79, 56] Operation: 30+26=56 Moving to Node #0,1 Current State: 83:[58, 21, 56], Operations: ['30+26=56'] Exploring Operation: 58+21=79, Resulting Numbers: [56, 79] Generated Node #0,1,0: 83:[56, 79] Operation: 58+21=79 Exploring Operation: 21+56=77, Resulting Numbers: [58, 77] Generated Node #0,1,1: 83:[58, 77] Operation: 21+56=77 Exploring Operation: 56-21=35, Resulting Numbers: [58, 35] Generated Node #0,1,2: 83:[58, 35] Operation: 56-21=35 Exploring Operation: 58-21=37, Resulting Numbers: [56, 37] Generated Node #0,1,3: 83:[56, 37] Operation: 58-21=37 Moving to Node #0,3 Current State: 83:[58, 26, 51], Operations: ['30+21=51'] Exploring Operation: 58-26=32, Resulting Numbers: [51, 32] Generated Node #0,3,0: 83:[51, 32] Operation: 58-26=32 Exploring Operation: 26+51=77, Resulting Numbers: [58, 77] Generated Node #0,3,1: 83:[58, 77] Operation: 26+51=77 Exploring Operation: 58+51=109, Resulting Numbers: [26, 109] Generated Node #0,3,2: 83:[26, 109] Operation: 58+51=109 Exploring Operation: 58+26=84, Resulting Numbers: [51, 84] Generated Node #0,3,3: 83:[51, 84] Operation: 58+26=84 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 83:[58, 77], Operations: ['30+21=51', '26+51=77'] Exploring Operation: 77-58=19, Resulting Numbers: [19] 19,83 unequal: No Solution Exploring Operation: 58*77=4466, Resulting Numbers: [4466] 4466,83 unequal: No Solution Exploring Operation: 58+77=135, Resulting Numbers: [135] 135,83 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 #0,3,3 Current State: 83:[51, 84], Operations: ['30+21=51', '58+26=84'] Exploring Operation: 51+84=135, Resulting Numbers: [135] 135,83 unequal: No Solution Exploring Operation: 84-51=33, Resulting Numbers: [33] 33,83 unequal: No Solution Exploring Operation: 51*84=4284, Resulting Numbers: [4284] 4284,83 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 #0,3,0 Current State: 83:[51, 32], Operations: ['30+21=51', '58-26=32'] Exploring Operation: 51+32=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[58, 30, 26, 21], Operations: [] Exploring Operation: 30+21=51, Resulting Numbers: [58, 26, 51] Generated Node #0,3: 83:[58, 26, 51] Operation: 30+21=51 Moving to Node #0,3 Current State: 83:[58, 26, 51], Operations: ['30+21=51'] Exploring Operation: 58-26=32, Resulting Numbers: [51, 32] Generated Node #0,3,0: 83:[51, 32] Operation: 58-26=32 Moving to Node #0,3,0 Current State: 83:[51, 32], Operations: ['30+21=51', '58-26=32'] Exploring Operation: 51+32=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_4
mult_heuristic
[ 71, 30, 68, 45 ]
45
[ "71-68=3", "45-30=15", "3*15=45" ]
Current State: 45:[71, 30, 68, 45], Operations: [] Exploring Operation: 71-68=3, Resulting Numbers: [30, 45, 3] Generated Node #2: [30, 45, 3] from Operation: 71-68=3 Current State: 45:[30, 45, 3], Operations: ['71-68=3'] Exploring Operation: 45-30=15, Resulting Numbers: [3, 15] Generated Node #3: [3, 15] from Operation: 45-30=15 Current State: 45:[3, 15], Operations: ['71-68=3', '45-30=15'] Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[71, 30, 68, 45], Operations: [] Exploring Operation: 71-68=3, Resulting Numbers: [30, 45, 3] Generated Node #0,0: 45:[30, 45, 3] Operation: 71-68=3 Exploring Operation: 71-30=41, Resulting Numbers: [68, 45, 41] Generated Node #0,1: 45:[68, 45, 41] Operation: 71-30=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[30, 45, 3], Operations: ['71-68=3'] Exploring Operation: 30/3=10, Resulting Numbers: [45, 10] Generated Node #0,0,0: 45:[45, 10] Operation: 30/3=10 Exploring Operation: 45-30=15, Resulting Numbers: [3, 15] Generated Node #0,0,1: 45:[3, 15] Operation: 45-30=15 Moving to Node #0,0,1 Current State: 45:[3, 15], Operations: ['71-68=3', '45-30=15'] Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[71, 30, 68, 45], Operations: [] Exploring Operation: 71-68=3, Resulting Numbers: [30, 45, 3] Generated Node #0,0: 45:[30, 45, 3] Operation: 71-68=3 Moving to Node #0,0 Current State: 45:[30, 45, 3], Operations: ['71-68=3'] Exploring Operation: 45-30=15, Resulting Numbers: [3, 15] Generated Node #0,0,1: 45:[3, 15] Operation: 45-30=15 Moving to Node #0,0,1 Current State: 45:[3, 15], Operations: ['71-68=3', '45-30=15'] Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 32, 6, 97, 3 ]
47
[ "97-32=65", "6*3=18", "65-18=47" ]
Current State: 47:[32, 6, 97, 3], Operations: [] Exploring Operation: 97-32=65, Resulting Numbers: [6, 3, 65] Generated Node #2: [6, 3, 65] from Operation: 97-32=65 Current State: 47:[6, 3, 65], Operations: ['97-32=65'] Exploring Operation: 6*3=18, Resulting Numbers: [65, 18] Generated Node #3: [65, 18] from Operation: 6*3=18 Current State: 47:[65, 18], Operations: ['97-32=65', '6*3=18'] Exploring Operation: 65-18=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[32, 6, 97, 3], Operations: [] Exploring Operation: 32+6=38, Resulting Numbers: [97, 3, 38] Generated Node #0,0: 47:[97, 3, 38] Operation: 32+6=38 Exploring Operation: 97-32=65, Resulting Numbers: [6, 3, 65] Generated Node #0,1: 47:[6, 3, 65] Operation: 97-32=65 Exploring Operation: 6*3=18, Resulting Numbers: [32, 97, 18] Generated Node #0,2: 47:[32, 97, 18] Operation: 6*3=18 Moving to Node #0,2 Current State: 47:[32, 97, 18], Operations: ['6*3=18'] Exploring Operation: 97-32=65, Resulting Numbers: [18, 65] Generated Node #0,2,0: 47:[18, 65] Operation: 97-32=65 Exploring Operation: 32+18=50, Resulting Numbers: [97, 50] Generated Node #0,2,1: 47:[97, 50] Operation: 32+18=50 Exploring Operation: 97-18=79, Resulting Numbers: [32, 79] Generated Node #0,2,2: 47:[32, 79] Operation: 97-18=79 Moving to Node #0,0 Current State: 47:[97, 3, 38], Operations: ['32+6=38'] Exploring Operation: 97-3=94, Resulting Numbers: [38, 94] Generated Node #0,0,0: 47:[38, 94] Operation: 97-3=94 Exploring Operation: 3+38=41, Resulting Numbers: [97, 41] Generated Node #0,0,1: 47:[97, 41] Operation: 3+38=41 Exploring Operation: 97-38=59, Resulting Numbers: [3, 59] Generated Node #0,0,2: 47:[3, 59] Operation: 97-38=59 Moving to Node #0,1 Current State: 47:[6, 3, 65], Operations: ['97-32=65'] Exploring Operation: 65-6=59, Resulting Numbers: [3, 59] Generated Node #0,1,0: 47:[3, 59] Operation: 65-6=59 Exploring Operation: 6+3=9, Resulting Numbers: [65, 9] Generated Node #0,1,1: 47:[65, 9] Operation: 6+3=9 Exploring Operation: 6*3=18, Resulting Numbers: [65, 18] Generated Node #0,1,2: 47:[65, 18] Operation: 6*3=18 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 47:[65, 18], Operations: ['97-32=65', '6*3=18'] Exploring Operation: 65-18=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[32, 6, 97, 3], Operations: [] Exploring Operation: 97-32=65, Resulting Numbers: [6, 3, 65] Generated Node #0,1: 47:[6, 3, 65] Operation: 97-32=65 Moving to Node #0,1 Current State: 47:[6, 3, 65], Operations: ['97-32=65'] Exploring Operation: 6*3=18, Resulting Numbers: [65, 18] Generated Node #0,1,2: 47:[65, 18] Operation: 6*3=18 Moving to Node #0,1,2 Current State: 47:[65, 18], Operations: ['97-32=65', '6*3=18'] Exploring Operation: 65-18=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 27, 58, 47, 44 ]
34
[ "58-27=31", "47-44=3", "31+3=34" ]
Current State: 34:[27, 58, 47, 44], Operations: [] Exploring Operation: 58-27=31, Resulting Numbers: [47, 44, 31] Generated Node #2: [47, 44, 31] from Operation: 58-27=31 Current State: 34:[47, 44, 31], Operations: ['58-27=31'] Exploring Operation: 47-44=3, Resulting Numbers: [31, 3] Generated Node #3: [31, 3] from Operation: 47-44=3 Current State: 34:[31, 3], Operations: ['58-27=31', '47-44=3'] Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[27, 58, 47, 44], Operations: [] Exploring Operation: 58-47=11, Resulting Numbers: [27, 44, 11] Generated Node #0,0: 34:[27, 44, 11] Operation: 58-47=11 Exploring Operation: 58-27=31, Resulting Numbers: [47, 44, 31] Generated Node #0,1: 34:[47, 44, 31] Operation: 58-27=31 Exploring Operation: 58-44=14, Resulting Numbers: [27, 47, 14] Generated Node #0,2: 34:[27, 47, 14] Operation: 58-44=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[27, 44, 11], Operations: ['58-47=11'] Exploring Operation: 44-11=33, Resulting Numbers: [27, 33] Generated Node #0,0,0: 34:[27, 33] Operation: 44-11=33 Exploring Operation: 44-27=17, Resulting Numbers: [11, 17] Generated Node #0,0,1: 34:[11, 17] Operation: 44-27=17 Exploring Operation: 44/11=4, Resulting Numbers: [27, 4] Generated Node #0,0,2: 34:[27, 4] Operation: 44/11=4 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 34:[11, 17], Operations: ['58-47=11', '44-27=17'] Exploring Operation: 11*17=187, Resulting Numbers: [187] 187,34 unequal: No Solution Exploring Operation: 11+17=28, Resulting Numbers: [28] 28,34 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[27, 33], Operations: ['58-47=11', '44-11=33'] Exploring Operation: 27+33=60, Resulting Numbers: [60] 60,34 unequal: No Solution Exploring Operation: 27*33=891, Resulting Numbers: [891] 891,34 unequal: No Solution Exploring Operation: 33-27=6, Resulting Numbers: [6] 6,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 34:[27, 4], Operations: ['58-47=11', '44/11=4'] Exploring Operation: 27*4=108, Resulting Numbers: [108] 108,34 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,34 unequal: No Solution Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,34 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:[27, 47, 14], Operations: ['58-44=14'] Exploring Operation: 27-14=13, Resulting Numbers: [47, 13] Generated Node #0,2,0: 34:[47, 13] Operation: 27-14=13 Exploring Operation: 47-27=20, Resulting Numbers: [14, 20] Generated Node #0,2,1: 34:[14, 20] Operation: 47-27=20 Exploring Operation: 47-14=33, Resulting Numbers: [27, 33] Generated Node #0,2,2: 34:[27, 33] Operation: 47-14=33 Moving to Node #0,2,1 Current State: 34:[14, 20], Operations: ['58-44=14', '47-27=20'] Exploring Operation: 14+20=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[27, 58, 47, 44], Operations: [] Exploring Operation: 58-44=14, Resulting Numbers: [27, 47, 14] Generated Node #0,2: 34:[27, 47, 14] Operation: 58-44=14 Moving to Node #0,2 Current State: 34:[27, 47, 14], Operations: ['58-44=14'] Exploring Operation: 47-27=20, Resulting Numbers: [14, 20] Generated Node #0,2,1: 34:[14, 20] Operation: 47-27=20 Moving to Node #0,2,1 Current State: 34:[14, 20], Operations: ['58-44=14', '47-27=20'] Exploring Operation: 14+20=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 14, 2, 75, 62 ]
92
[ "75-14=61", "62/2=31", "61+31=92" ]
Current State: 92:[14, 2, 75, 62], Operations: [] Exploring Operation: 75-14=61, Resulting Numbers: [2, 62, 61] Generated Node #2: [2, 62, 61] from Operation: 75-14=61 Current State: 92:[2, 62, 61], Operations: ['75-14=61'] Exploring Operation: 62/2=31, Resulting Numbers: [61, 31] Generated Node #3: [61, 31] from Operation: 62/2=31 Current State: 92:[61, 31], Operations: ['75-14=61', '62/2=31'] Exploring Operation: 61+31=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[14, 2, 75, 62], Operations: [] Exploring Operation: 75-62=13, Resulting Numbers: [14, 2, 13] Generated Node #0,0: 92:[14, 2, 13] Operation: 75-62=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[14, 2, 13], Operations: ['75-62=13'] Exploring Operation: 14-13=1, Resulting Numbers: [2, 1] Generated Node #0,0,0: 92:[2, 1] Operation: 14-13=1 Moving to Node #0,0,0 Current State: 92:[2, 1], Operations: ['75-62=13', '14-13=1'] Exploring Operation: 2*1=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
[ 10, 42, 53, 77 ]
76
[ "10+42=52", "77-53=24", "52+24=76" ]
Current State: 76:[10, 42, 53, 77], Operations: [] Exploring Operation: 10+42=52, Resulting Numbers: [53, 77, 52] Generated Node #2: [53, 77, 52] from Operation: 10+42=52 Current State: 76:[53, 77, 52], Operations: ['10+42=52'] Exploring Operation: 77-53=24, Resulting Numbers: [52, 24] Generated Node #3: [52, 24] from Operation: 77-53=24 Current State: 76:[52, 24], Operations: ['10+42=52', '77-53=24'] Exploring Operation: 52+24=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[10, 42, 53, 77], Operations: [] Exploring Operation: 53-10=43, Resulting Numbers: [42, 77, 43] Generated Node #0,0: 76:[42, 77, 43] Operation: 53-10=43 Exploring Operation: 77-53=24, Resulting Numbers: [10, 42, 24] Generated Node #0,1: 76:[10, 42, 24] Operation: 77-53=24 Exploring Operation: 10+53=63, Resulting Numbers: [42, 77, 63] Generated Node #0,2: 76:[42, 77, 63] Operation: 10+53=63 Exploring Operation: 53-42=11, Resulting Numbers: [10, 77, 11] Generated Node #0,3: 76:[10, 77, 11] Operation: 53-42=11 Moving to Node #0,0 Current State: 76:[42, 77, 43], Operations: ['53-10=43'] Exploring Operation: 43-42=1, Resulting Numbers: [77, 1] Generated Node #0,0,0: 76:[77, 1] Operation: 43-42=1 Exploring Operation: 42+43=85, Resulting Numbers: [77, 85] Generated Node #0,0,1: 76:[77, 85] Operation: 42+43=85 Exploring Operation: 77-43=34, Resulting Numbers: [42, 34] Generated Node #0,0,2: 76:[42, 34] Operation: 77-43=34 Exploring Operation: 77-42=35, Resulting Numbers: [43, 35] Generated Node #0,0,3: 76:[43, 35] Operation: 77-42=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[77, 1], Operations: ['53-10=43', '43-42=1'] Exploring Operation: 77+1=78, Resulting Numbers: [78] 78,76 unequal: No Solution Exploring Operation: 77/1=77, Resulting Numbers: [77] 77,76 unequal: No Solution Exploring Operation: 77-1=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[10, 42, 53, 77], Operations: [] Exploring Operation: 53-10=43, Resulting Numbers: [42, 77, 43] Generated Node #0,0: 76:[42, 77, 43] Operation: 53-10=43 Moving to Node #0,0 Current State: 76:[42, 77, 43], Operations: ['53-10=43'] Exploring Operation: 43-42=1, Resulting Numbers: [77, 1] Generated Node #0,0,0: 76:[77, 1] Operation: 43-42=1 Moving to Node #0,0,0 Current State: 76:[77, 1], Operations: ['53-10=43', '43-42=1'] Exploring Operation: 77-1=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 20, 20, 25, 18 ]
90
[ "20+25=45", "20-18=2", "45*2=90" ]
Current State: 90:[20, 20, 25, 18], Operations: [] Exploring Operation: 20+25=45, Resulting Numbers: [18, 45] Generated Node #2: [18, 45] from Operation: 20+25=45 Current State: 90:[18, 45], Operations: ['20+25=45'] Exploring Operation: 20-18=2, Resulting Numbers: [45, 2] Generated Node #3: [45, 2] from Operation: 20-18=2 Current State: 90:[45, 2], Operations: ['20+25=45', '20-18=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[20, 20, 25, 18], Operations: [] Exploring Operation: 20+25=45, Resulting Numbers: [20, 18, 45] Generated Node #0,0: 90:[20, 18, 45] Operation: 20+25=45 Exploring Operation: 20+25=45, Resulting Numbers: [20, 18, 45] Generated Node #0,1: 90:[20, 18, 45] Operation: 20+25=45 Exploring Operation: 25-20=5, Resulting Numbers: [20, 18, 5] Generated Node #0,2: 90:[20, 18, 5] Operation: 25-20=5 Exploring Operation: 25-20=5, Resulting Numbers: [20, 18, 5] Generated Node #0,3: 90:[20, 18, 5] Operation: 25-20=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[20, 18, 45], Operations: ['20+25=45'] Exploring Operation: 20-18=2, Resulting Numbers: [45, 2] Generated Node #0,0,0: 90:[45, 2] Operation: 20-18=2 Exploring Operation: 45-20=25, Resulting Numbers: [18, 25] Generated Node #0,0,1: 90:[18, 25] Operation: 45-20=25 Exploring Operation: 20+18=38, Resulting Numbers: [45, 38] Generated Node #0,0,2: 90:[45, 38] Operation: 20+18=38 Exploring Operation: 45-18=27, Resulting Numbers: [20, 27] Generated Node #0,0,3: 90:[20, 27] Operation: 45-18=27 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[45, 2], Operations: ['20+25=45', '20-18=2'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[20, 20, 25, 18], Operations: [] Exploring Operation: 20+25=45, Resulting Numbers: [20, 18, 45] Generated Node #0,0: 90:[20, 18, 45] Operation: 20+25=45 Moving to Node #0,0 Current State: 90:[20, 18, 45], Operations: ['20+25=45'] Exploring Operation: 20-18=2, Resulting Numbers: [45, 2] Generated Node #0,0,0: 90:[45, 2] Operation: 20-18=2 Moving to Node #0,0,0 Current State: 90:[45, 2], Operations: ['20+25=45', '20-18=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 62, 1, 10, 3 ]
48
[ "62-1=61", "10+3=13", "61-13=48" ]
Current State: 48:[62, 1, 10, 3], Operations: [] Exploring Operation: 62-1=61, Resulting Numbers: [10, 3, 61] Generated Node #2: [10, 3, 61] from Operation: 62-1=61 Current State: 48:[10, 3, 61], Operations: ['62-1=61'] Exploring Operation: 10+3=13, Resulting Numbers: [61, 13] Generated Node #3: [61, 13] from Operation: 10+3=13 Current State: 48:[61, 13], Operations: ['62-1=61', '10+3=13'] Exploring Operation: 61-13=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[62, 1, 10, 3], Operations: [] Exploring Operation: 62-10=52, Resulting Numbers: [1, 3, 52] Generated Node #0,0: 48:[1, 3, 52] Operation: 62-10=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[1, 3, 52], Operations: ['62-10=52'] Exploring Operation: 52-3=49, Resulting Numbers: [1, 49] Generated Node #0,0,0: 48:[1, 49] Operation: 52-3=49 Moving to Node #0,0,0 Current State: 48:[1, 49], Operations: ['62-10=52', '52-3=49'] Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[62, 1, 10, 3], Operations: [] Exploring Operation: 62-10=52, Resulting Numbers: [1, 3, 52] Generated Node #0,0: 48:[1, 3, 52] Operation: 62-10=52 Moving to Node #0,0 Current State: 48:[1, 3, 52], Operations: ['62-10=52'] Exploring Operation: 52-3=49, Resulting Numbers: [1, 49] Generated Node #0,0,0: 48:[1, 49] Operation: 52-3=49 Moving to Node #0,0,0 Current State: 48:[1, 49], Operations: ['62-10=52', '52-3=49'] Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 3, 2, 79, 84 ]
69
[ "3*79=237", "2*84=168", "237-168=69" ]
Current State: 69:[3, 2, 79, 84], Operations: [] Exploring Operation: 3*79=237, Resulting Numbers: [2, 84, 237] Generated Node #2: [2, 84, 237] from Operation: 3*79=237 Current State: 69:[2, 84, 237], Operations: ['3*79=237'] Exploring Operation: 2*84=168, Resulting Numbers: [237, 168] Generated Node #3: [237, 168] from Operation: 2*84=168 Current State: 69:[237, 168], Operations: ['3*79=237', '2*84=168'] Exploring Operation: 237-168=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[3, 2, 79, 84], Operations: [] Exploring Operation: 84/3=28, Resulting Numbers: [2, 79, 28] Generated Node #0,0: 69:[2, 79, 28] Operation: 84/3=28 Exploring Operation: 79-3=76, Resulting Numbers: [2, 84, 76] Generated Node #0,1: 69:[2, 84, 76] Operation: 79-3=76 Exploring Operation: 84-79=5, Resulting Numbers: [3, 2, 5] Generated Node #0,2: 69:[3, 2, 5] Operation: 84-79=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 69:[3, 2, 5], Operations: ['84-79=5'] Exploring Operation: 3+2=5, Resulting Numbers: [5, 5] Generated Node #0,2,0: 69:[5, 5] Operation: 3+2=5 Exploring Operation: 5-3=2, Resulting Numbers: [2, 2] Generated Node #0,2,1: 69:[2, 2] Operation: 5-3=2 Exploring Operation: 5-2=3, Resulting Numbers: [3, 3] Generated Node #0,2,2: 69:[3, 3] Operation: 5-2=3 Moving to Node #0,2,2 Current State: 69:[3, 3], Operations: ['84-79=5', '5-2=3'] Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,69 unequal: No Solution Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,69 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,69 unequal: No Solution Moving to Node #0,2,1 Current State: 69:[2, 2], Operations: ['84-79=5', '5-3=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,69 unequal: No Solution Moving to Node #0,2,0 Current State: 69:[5, 5], Operations: ['84-79=5', '3+2=5'] Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,69 unequal: No Solution Exploring Operation: 5-5=0, Resulting Numbers: [0] 0,69 unequal: No Solution Exploring Operation: 5*5=25, Resulting Numbers: [25] 25,69 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 #0,0 Current State: 69:[2, 79, 28], Operations: ['84/3=28'] Exploring Operation: 28-2=26, Resulting Numbers: [79, 26] Generated Node #0,0,0: 69:[79, 26] Operation: 28-2=26 Exploring Operation: 79-2=77, Resulting Numbers: [28, 77] Generated Node #0,0,1: 69:[28, 77] Operation: 79-2=77 Exploring Operation: 2+79=81, Resulting Numbers: [28, 81] Generated Node #0,0,2: 69:[28, 81] Operation: 2+79=81 Moving to Node #0,0,0 Current State: 69:[79, 26], Operations: ['84/3=28', '28-2=26'] Exploring Operation: 79+26=105, Resulting Numbers: [105] 105,69 unequal: No Solution Exploring Operation: 79-26=53, Resulting Numbers: [53] 53,69 unequal: No Solution Exploring Operation: 79*26=2054, Resulting Numbers: [2054] 2054,69 unequal: No Solution Moving to Node #0,0,1 Current State: 69:[28, 77], Operations: ['84/3=28', '79-2=77'] Exploring Operation: 28*77=2156, Resulting Numbers: [2156] 2156,69 unequal: No Solution Exploring Operation: 77-28=49, Resulting Numbers: [49] 49,69 unequal: No Solution Exploring Operation: 28+77=105, Resulting Numbers: [105] 105,69 unequal: No Solution Moving to Node #0,0,2 Current State: 69:[28, 81], Operations: ['84/3=28', '2+79=81'] Exploring Operation: 28+81=109, Resulting Numbers: [109] 109,69 unequal: No Solution Exploring Operation: 81-28=53, Resulting Numbers: [53] 53,69 unequal: No Solution Exploring Operation: 28*81=2268, Resulting Numbers: [2268] 2268,69 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 #0,1 Current State: 69:[2, 84, 76], Operations: ['79-3=76'] Exploring Operation: 84-2=82, Resulting Numbers: [76, 82] Generated Node #0,1,0: 69:[76, 82] Operation: 84-2=82 Exploring Operation: 76-2=74, Resulting Numbers: [84, 74] Generated Node #0,1,1: 69:[84, 74] Operation: 76-2=74 Exploring Operation: 84-76=8, Resulting Numbers: [2, 8] Generated Node #0,1,2: 69:[2, 8] Operation: 84-76=8 Moving to Node #0,1,2 Current State: 69:[2, 8], Operations: ['79-3=76', '84-76=8'] Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,69 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,69 unequal: No Solution Moving to Node #0,1,0 Current State: 69:[76, 82], Operations: ['79-3=76', '84-2=82'] Exploring Operation: 82-76=6, Resulting Numbers: [6] 6,69 unequal: No Solution Exploring Operation: 76+82=158, Resulting Numbers: [158] 158,69 unequal: No Solution Exploring Operation: 76*82=6232, Resulting Numbers: [6232] 6232,69 unequal: No Solution Moving to Node #0,1,1 Current State: 69:[84, 74], Operations: ['79-3=76', '76-2=74'] Exploring Operation: 84+74=158, Resulting Numbers: [158] 158,69 unequal: No Solution Exploring Operation: 84*74=6216, Resulting Numbers: [6216] 6216,69 unequal: No Solution Exploring Operation: 84-74=10, Resulting Numbers: [10] 10,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 59, 23, 85, 96 ]
71
[ "59+23=82", "96-85=11", "82-11=71" ]
Current State: 71:[59, 23, 85, 96], Operations: [] Exploring Operation: 59+23=82, Resulting Numbers: [85, 96, 82] Generated Node #2: [85, 96, 82] from Operation: 59+23=82 Current State: 71:[85, 96, 82], Operations: ['59+23=82'] Exploring Operation: 96-85=11, Resulting Numbers: [82, 11] Generated Node #3: [82, 11] from Operation: 96-85=11 Current State: 71:[82, 11], Operations: ['59+23=82', '96-85=11'] Exploring Operation: 82-11=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[59, 23, 85, 96], Operations: [] Exploring Operation: 96-23=73, Resulting Numbers: [59, 85, 73] Generated Node #0,0: 71:[59, 85, 73] Operation: 96-23=73 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[59, 85, 73], Operations: ['96-23=73'] Exploring Operation: 85-59=26, Resulting Numbers: [73, 26] Generated Node #0,0,0: 71:[73, 26] Operation: 85-59=26 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[73, 26], Operations: ['96-23=73', '85-59=26'] Exploring Operation: 73-26=47, Resulting Numbers: [47] 47,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 41, 77, 96, 5 ]
88
[ "96-41=55", "55/5=11", "77+11=88" ]
Current State: 88:[41, 77, 96, 5], Operations: [] Exploring Operation: 96-41=55, Resulting Numbers: [77, 5, 55] Generated Node #2: [77, 5, 55] from Operation: 96-41=55 Current State: 88:[77, 5, 55], Operations: ['96-41=55'] Exploring Operation: 55/5=11, Resulting Numbers: [77, 11] Generated Node #3: [77, 11] from Operation: 55/5=11 Current State: 88:[77, 11], Operations: ['96-41=55', '55/5=11'] Exploring Operation: 77+11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[41, 77, 96, 5], Operations: [] Exploring Operation: 96-77=19, Resulting Numbers: [41, 5, 19] Generated Node #0,0: 88:[41, 5, 19] Operation: 96-77=19 Exploring Operation: 77-41=36, Resulting Numbers: [96, 5, 36] Generated Node #0,1: 88:[96, 5, 36] Operation: 77-41=36 Exploring Operation: 77+5=82, Resulting Numbers: [41, 96, 82] Generated Node #0,2: 88:[41, 96, 82] Operation: 77+5=82 Exploring Operation: 96-5=91, Resulting Numbers: [41, 77, 91] Generated Node #0,3: 88:[41, 77, 91] Operation: 96-5=91 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[41, 5, 19], Operations: ['96-77=19'] Exploring Operation: 41+5=46, Resulting Numbers: [19, 46] Generated Node #0,0,0: 88:[19, 46] Operation: 41+5=46 Exploring Operation: 19-5=14, Resulting Numbers: [41, 14] Generated Node #0,0,1: 88:[41, 14] Operation: 19-5=14 Exploring Operation: 5+19=24, Resulting Numbers: [41, 24] Generated Node #0,0,2: 88:[41, 24] Operation: 5+19=24 Exploring Operation: 41-19=22, Resulting Numbers: [5, 22] Generated Node #0,0,3: 88:[5, 22] Operation: 41-19=22 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 88:[5, 22], Operations: ['96-77=19', '41-19=22'] Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,88 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,88 unequal: No Solution Exploring Operation: 5*22=110, Resulting Numbers: [110] 110,88 unequal: No Solution No 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: 88:[19, 46], Operations: ['96-77=19', '41+5=46'] Exploring Operation: 46-19=27, Resulting Numbers: [27] 27,88 unequal: No Solution Exploring Operation: 19+46=65, Resulting Numbers: [65] 65,88 unequal: No Solution Exploring Operation: 19*46=874, Resulting Numbers: [874] 874,88 unequal: No Solution No 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: 88:[41, 24], Operations: ['96-77=19', '5+19=24'] Exploring Operation: 41+24=65, Resulting Numbers: [65] 65,88 unequal: No Solution Exploring Operation: 41*24=984, Resulting Numbers: [984] 984,88 unequal: No Solution Exploring Operation: 41-24=17, Resulting Numbers: [17] 17,88 unequal: No Solution No 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: 88:[41, 14], Operations: ['96-77=19', '19-5=14'] Exploring Operation: 41-14=27, Resulting Numbers: [27] 27,88 unequal: No Solution Exploring Operation: 41*14=574, Resulting Numbers: [574] 574,88 unequal: No Solution Exploring Operation: 41+14=55, Resulting Numbers: [55] 55,88 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: 88:[96, 5, 36], Operations: ['77-41=36'] Exploring Operation: 96-36=60, Resulting Numbers: [5, 60] Generated Node #0,1,0: 88:[5, 60] Operation: 96-36=60 Exploring Operation: 5+36=41, Resulting Numbers: [96, 41] Generated Node #0,1,1: 88:[96, 41] Operation: 5+36=41 Exploring Operation: 36-5=31, Resulting Numbers: [96, 31] Generated Node #0,1,2: 88:[96, 31] Operation: 36-5=31 Exploring Operation: 96-5=91, Resulting Numbers: [36, 91] Generated Node #0,1,3: 88:[36, 91] Operation: 96-5=91 Moving to Node #0,1,1 Current State: 88:[96, 41], Operations: ['77-41=36', '5+36=41'] Exploring Operation: 96-41=55, Resulting Numbers: [55] 55,88 unequal: No Solution Exploring Operation: 96*41=3936, Resulting Numbers: [3936] 3936,88 unequal: No Solution Exploring Operation: 96+41=137, Resulting Numbers: [137] 137,88 unequal: No Solution Moving to Node #0,1,3 Current State: 88:[36, 91], Operations: ['77-41=36', '96-5=91'] Exploring Operation: 36+91=127, Resulting Numbers: [127] 127,88 unequal: No Solution Exploring Operation: 91-36=55, Resulting Numbers: [55] 55,88 unequal: No Solution Exploring Operation: 36*91=3276, Resulting Numbers: [3276] 3276,88 unequal: No Solution Moving to Node #0,1,2 Current State: 88:[96, 31], Operations: ['77-41=36', '36-5=31'] Exploring Operation: 96-31=65, Resulting Numbers: [65] 65,88 unequal: No Solution Exploring Operation: 96*31=2976, Resulting Numbers: [2976] 2976,88 unequal: No Solution Exploring Operation: 96+31=127, Resulting Numbers: [127] 127,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[5, 60], Operations: ['77-41=36', '96-36=60'] Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,88 unequal: No Solution Exploring Operation: 5*60=300, Resulting Numbers: [300] 300,88 unequal: No Solution Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,88 unequal: No Solution Exploring Operation: 5+60=65, Resulting Numbers: [65] 65,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 88:[41, 96, 82], Operations: ['77+5=82'] Exploring Operation: 96-82=14, Resulting Numbers: [41, 14] Generated Node #0,2,0: 88:[41, 14] Operation: 96-82=14 Exploring Operation: 82-41=41, Resulting Numbers: [96, 41] Generated Node #0,2,1: 88:[96, 41] Operation: 82-41=41 Exploring Operation: 82/41=2, Resulting Numbers: [96, 2] Generated Node #0,2,2: 88:[96, 2] Operation: 82/41=2 Exploring Operation: 96-41=55, Resulting Numbers: [82, 55] Generated Node #0,2,3: 88:[82, 55] Operation: 96-41=55 Moving to Node #0,2,0 Current State: 88:[41, 14], Operations: ['77+5=82', '96-82=14'] Exploring Operation: 41-14=27, Resulting Numbers: [27] 27,88 unequal: No Solution Exploring Operation: 41+14=55, Resulting Numbers: [55] 55,88 unequal: No Solution Exploring Operation: 41*14=574, Resulting Numbers: [574] 574,88 unequal: No Solution Moving to Node #0,2,2 Current State: 88:[96, 2], Operations: ['77+5=82', '82/41=2'] Exploring Operation: 96/2=48, Resulting Numbers: [48] 48,88 unequal: No Solution Exploring Operation: 96*2=192, Resulting Numbers: [192] 192,88 unequal: No Solution Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,88 unequal: No Solution Exploring Operation: 96+2=98, Resulting Numbers: [98] 98,88 unequal: No Solution Moving to Node #0,2,1 Current State: 88:[96, 41], Operations: ['77+5=82', '82-41=41'] Exploring Operation: 96*41=3936, Resulting Numbers: [3936] 3936,88 unequal: No Solution Exploring Operation: 96-41=55, Resulting Numbers: [55] 55,88 unequal: No Solution Exploring Operation: 96+41=137, Resulting Numbers: [137] 137,88 unequal: No Solution Moving to Node #0,2,3 Current State: 88:[82, 55], Operations: ['77+5=82', '96-41=55'] Exploring Operation: 82*55=4510, Resulting Numbers: [4510] 4510,88 unequal: No Solution Exploring Operation: 82+55=137, Resulting Numbers: [137] 137,88 unequal: No Solution Exploring Operation: 82-55=27, Resulting Numbers: [27] 27,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 88:[41, 77, 91], Operations: ['96-5=91'] Exploring Operation: 77-41=36, Resulting Numbers: [91, 36] Generated Node #0,3,0: 88:[91, 36] Operation: 77-41=36 Exploring Operation: 91-77=14, Resulting Numbers: [41, 14] Generated Node #0,3,1: 88:[41, 14] Operation: 91-77=14 Exploring Operation: 91-41=50, Resulting Numbers: [77, 50] Generated Node #0,3,2: 88:[77, 50] Operation: 91-41=50 Exploring Operation: 41+77=118, Resulting Numbers: [91, 118] Generated Node #0,3,3: 88:[91, 118] Operation: 41+77=118 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 88:[41, 14], Operations: ['96-5=91', '91-77=14'] Exploring Operation: 41*14=574, Resulting Numbers: [574] 574,88 unequal: No Solution Exploring Operation: 41+14=55, Resulting Numbers: [55] 55,88 unequal: No Solution Exploring Operation: 41-14=27, Resulting Numbers: [27] 27,88 unequal: No Solution No 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: 88:[91, 36], Operations: ['96-5=91', '77-41=36'] Exploring Operation: 91*36=3276, Resulting Numbers: [3276] 3276,88 unequal: No Solution Exploring Operation: 91+36=127, Resulting Numbers: [127] 127,88 unequal: No Solution Exploring Operation: 91-36=55, Resulting Numbers: [55] 55,88 unequal: No Solution No 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: 88:[77, 50], Operations: ['96-5=91', '91-41=50'] Exploring Operation: 77+50=127, Resulting Numbers: [127] 127,88 unequal: No Solution Exploring Operation: 77*50=3850, Resulting Numbers: [3850] 3850,88 unequal: No Solution Exploring Operation: 77-50=27, Resulting Numbers: [27] 27,88 unequal: No Solution No 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: 88:[91, 118], Operations: ['96-5=91', '41+77=118'] Exploring Operation: 91*118=10738, Resulting Numbers: [10738] 10738,88 unequal: No Solution Exploring Operation: 91+118=209, Resulting Numbers: [209] 209,88 unequal: No Solution Exploring Operation: 118-91=27, Resulting Numbers: [27] 27,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 39, 13, 45, 3 ]
54
[ "39/13=3", "3*3=9", "45+9=54" ]
Current State: 54:[39, 13, 45, 3], Operations: [] Exploring Operation: 39/13=3, Resulting Numbers: [45, 3, 3] Generated Node #2: [45, 3, 3] from Operation: 39/13=3 Current State: 54:[45, 3, 3], Operations: ['39/13=3'] Exploring Operation: 3*3=9, Resulting Numbers: [45, 9] Generated Node #3: [45, 9] from Operation: 3*3=9 Current State: 54:[45, 9], Operations: ['39/13=3', '3*3=9'] Exploring Operation: 45+9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[39, 13, 45, 3], Operations: [] Exploring Operation: 45-39=6, Resulting Numbers: [13, 3, 6] Generated Node #0,0: 54:[13, 3, 6] Operation: 45-39=6 Exploring Operation: 39-13=26, Resulting Numbers: [45, 3, 26] Generated Node #0,1: 54:[45, 3, 26] Operation: 39-13=26 Exploring Operation: 39/13=3, Resulting Numbers: [45, 3, 3] Generated Node #0,2: 54:[45, 3, 3] Operation: 39/13=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[13, 3, 6], Operations: ['45-39=6'] Exploring Operation: 13+6=19, Resulting Numbers: [3, 19] Generated Node #0,0,0: 54:[3, 19] Operation: 13+6=19 Exploring Operation: 13-6=7, Resulting Numbers: [3, 7] Generated Node #0,0,1: 54:[3, 7] Operation: 13-6=7 Exploring Operation: 13-3=10, Resulting Numbers: [6, 10] Generated Node #0,0,2: 54:[6, 10] Operation: 13-3=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[3, 19], Operations: ['45-39=6', '13+6=19'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,54 unequal: No Solution Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,54 unequal: No Solution No 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: 54:[3, 7], Operations: ['45-39=6', '13-6=7'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,54 unequal: No Solution Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,54 unequal: No Solution Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,54 unequal: No Solution No 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: 54:[6, 10], Operations: ['45-39=6', '13-3=10'] Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,54 unequal: No Solution Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,54 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: 54:[45, 3, 3], Operations: ['39/13=3'] Exploring Operation: 45/3=15, Resulting Numbers: [3, 15] Generated Node #0,2,0: 54:[3, 15] Operation: 45/3=15 Exploring Operation: 45/3=15, Resulting Numbers: [3, 15] Generated Node #0,2,1: 54:[3, 15] Operation: 45/3=15 Exploring Operation: 45+3=48, Resulting Numbers: [3, 48] Generated Node #0,2,2: 54:[3, 48] Operation: 45+3=48 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 54:[3, 15], Operations: ['39/13=3', '45/3=15'] Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,54 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,54 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,54 unequal: No Solution No 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: 54:[3, 15], Operations: ['39/13=3', '45/3=15'] Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,54 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,54 unequal: No Solution No 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: 54:[3, 48], Operations: ['39/13=3', '45+3=48'] Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,54 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,54 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,54 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: 54:[45, 3, 26], Operations: ['39-13=26'] Exploring Operation: 45+3=48, Resulting Numbers: [26, 48] Generated Node #0,1,0: 54:[26, 48] Operation: 45+3=48 Exploring Operation: 45-26=19, Resulting Numbers: [3, 19] Generated Node #0,1,1: 54:[3, 19] Operation: 45-26=19 Exploring Operation: 45/3=15, Resulting Numbers: [26, 15] Generated Node #0,1,2: 54:[26, 15] Operation: 45/3=15 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 54:[3, 19], Operations: ['39-13=26', '45-26=19'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,54 unequal: No Solution Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,54 unequal: No Solution No 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: 54:[26, 15], Operations: ['39-13=26', '45/3=15'] Exploring Operation: 26*15=390, Resulting Numbers: [390] 390,54 unequal: No Solution Exploring Operation: 26+15=41, Resulting Numbers: [41] 41,54 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,54 unequal: No Solution No 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: 54:[26, 48], Operations: ['39-13=26', '45+3=48'] Exploring Operation: 26*48=1248, Resulting Numbers: [1248] 1248,54 unequal: No Solution Exploring Operation: 26+48=74, Resulting Numbers: [74] 74,54 unequal: No Solution Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,54 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
[ 5, 42, 78, 65 ]
41
[ "42+78=120", "120/5=24", "65-24=41" ]
Current State: 41:[5, 42, 78, 65], Operations: [] Exploring Operation: 42+78=120, Resulting Numbers: [5, 65, 120] Generated Node #2: [5, 65, 120] from Operation: 42+78=120 Current State: 41:[5, 65, 120], Operations: ['42+78=120'] Exploring Operation: 120/5=24, Resulting Numbers: [65, 24] Generated Node #3: [65, 24] from Operation: 120/5=24 Current State: 41:[65, 24], Operations: ['42+78=120', '120/5=24'] Exploring Operation: 65-24=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[5, 42, 78, 65], Operations: [] Exploring Operation: 78-5=73, Resulting Numbers: [42, 65, 73] Generated Node #0,0: 41:[42, 65, 73] Operation: 78-5=73 Exploring Operation: 65-5=60, Resulting Numbers: [42, 78, 60] Generated Node #0,1: 41:[42, 78, 60] Operation: 65-5=60 Exploring Operation: 42-5=37, Resulting Numbers: [78, 65, 37] Generated Node #0,2: 41:[78, 65, 37] Operation: 42-5=37 Moving to Node #0,0 Current State: 41:[42, 65, 73], Operations: ['78-5=73'] Exploring Operation: 65-42=23, Resulting Numbers: [73, 23] Generated Node #0,0,0: 41:[73, 23] Operation: 65-42=23 Exploring Operation: 73-42=31, Resulting Numbers: [65, 31] Generated Node #0,0,1: 41:[65, 31] Operation: 73-42=31 Exploring Operation: 73-65=8, Resulting Numbers: [42, 8] Generated Node #0,0,2: 41:[42, 8] Operation: 73-65=8 Moving to Node #0,1 Current State: 41:[42, 78, 60], Operations: ['65-5=60'] Exploring Operation: 60-42=18, Resulting Numbers: [78, 18] Generated Node #0,1,0: 41:[78, 18] Operation: 60-42=18 Exploring Operation: 78-60=18, Resulting Numbers: [42, 18] Generated Node #0,1,1: 41:[42, 18] Operation: 78-60=18 Exploring Operation: 78-42=36, Resulting Numbers: [60, 36] Generated Node #0,1,2: 41:[60, 36] Operation: 78-42=36 Moving to Node #0,2 Current State: 41:[78, 65, 37], Operations: ['42-5=37'] Exploring Operation: 78-65=13, Resulting Numbers: [37, 13] Generated Node #0,2,0: 41:[37, 13] Operation: 78-65=13 Exploring Operation: 78-37=41, Resulting Numbers: [65, 41] Generated Node #0,2,1: 41:[65, 41] Operation: 78-37=41 Exploring Operation: 65-37=28, Resulting Numbers: [78, 28] Generated Node #0,2,2: 41:[78, 28] Operation: 65-37=28 Moving to Node #0,1,1 Current State: 41:[42, 18], Operations: ['65-5=60', '78-60=18'] Exploring Operation: 42*18=756, Resulting Numbers: [756] 756,41 unequal: No Solution Exploring Operation: 42+18=60, Resulting Numbers: [60] 60,41 unequal: No Solution Exploring Operation: 42-18=24, Resulting Numbers: [24] 24,41 unequal: No Solution Moving to Node #0,2,1 Current State: 41:[65, 41], Operations: ['42-5=37', '78-37=41'] Exploring Operation: 65*41=2665, Resulting Numbers: [2665] 2665,41 unequal: No Solution Exploring Operation: 65-41=24, Resulting Numbers: [24] 24,41 unequal: No Solution Exploring Operation: 65+41=106, Resulting Numbers: [106] 106,41 unequal: No Solution Moving to Node #0,1,2 Current State: 41:[60, 36], Operations: ['65-5=60', '78-42=36'] Exploring Operation: 60*36=2160, Resulting Numbers: [2160] 2160,41 unequal: No Solution Exploring Operation: 60-36=24, Resulting Numbers: [24] 24,41 unequal: No Solution Exploring Operation: 60+36=96, Resulting Numbers: [96] 96,41 unequal: No Solution Moving to Node #0,2,0 Current State: 41:[37, 13], Operations: ['42-5=37', '78-65=13'] Exploring Operation: 37-13=24, Resulting Numbers: [24] 24,41 unequal: No Solution Exploring Operation: 37+13=50, Resulting Numbers: [50] 50,41 unequal: No Solution Exploring Operation: 37*13=481, Resulting Numbers: [481] 481,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[65, 31], Operations: ['78-5=73', '73-42=31'] Exploring Operation: 65+31=96, Resulting Numbers: [96] 96,41 unequal: No Solution Exploring Operation: 65-31=34, Resulting Numbers: [34] 34,41 unequal: No Solution Exploring Operation: 65*31=2015, Resulting Numbers: [2015] 2015,41 unequal: No Solution Moving to Node #0,0,2 Current State: 41:[42, 8], Operations: ['78-5=73', '73-65=8'] Exploring Operation: 42*8=336, Resulting Numbers: [336] 336,41 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,41 unequal: No Solution Exploring Operation: 42+8=50, Resulting Numbers: [50] 50,41 unequal: No Solution Moving to Node #0,0,0 Current State: 41:[73, 23], Operations: ['78-5=73', '65-42=23'] Exploring Operation: 73+23=96, Resulting Numbers: [96] 96,41 unequal: No Solution Exploring Operation: 73*23=1679, Resulting Numbers: [1679] 1679,41 unequal: No Solution Exploring Operation: 73-23=50, Resulting Numbers: [50] 50,41 unequal: No Solution Moving to Node #0,2,2 Current State: 41:[78, 28], Operations: ['42-5=37', '65-37=28'] Exploring Operation: 78+28=106, Resulting Numbers: [106] 106,41 unequal: No Solution Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,41 unequal: No Solution Exploring Operation: 78*28=2184, Resulting Numbers: [2184] 2184,41 unequal: No Solution Moving to Node #0,1,0 Current State: 41:[78, 18], Operations: ['65-5=60', '60-42=18'] Exploring Operation: 78-18=60, Resulting Numbers: [60] 60,41 unequal: No Solution Exploring Operation: 78+18=96, Resulting Numbers: [96] 96,41 unequal: No Solution Exploring Operation: 78*18=1404, Resulting Numbers: [1404] 1404,41 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 52, 65, 91, 62 ]
88
[ "52+65=117", "91-62=29", "117-29=88" ]
Current State: 88:[52, 65, 91, 62], Operations: [] Exploring Operation: 52+65=117, Resulting Numbers: [91, 62, 117] Generated Node #2: [91, 62, 117] from Operation: 52+65=117 Current State: 88:[91, 62, 117], Operations: ['52+65=117'] Exploring Operation: 91-62=29, Resulting Numbers: [117, 29] Generated Node #3: [117, 29] from Operation: 91-62=29 Current State: 88:[117, 29], Operations: ['52+65=117', '91-62=29'] Exploring Operation: 117-29=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[52, 65, 91, 62], Operations: [] Exploring Operation: 65-62=3, Resulting Numbers: [52, 91, 3] Generated Node #0,0: 88:[52, 91, 3] Operation: 65-62=3 Exploring Operation: 62-52=10, Resulting Numbers: [65, 91, 10] Generated Node #0,1: 88:[65, 91, 10] Operation: 62-52=10 Exploring Operation: 91-62=29, Resulting Numbers: [52, 65, 29] Generated Node #0,2: 88:[52, 65, 29] Operation: 91-62=29 Exploring Operation: 91-65=26, Resulting Numbers: [52, 62, 26] Generated Node #0,3: 88:[52, 62, 26] Operation: 91-65=26 Exploring Operation: 65-52=13, Resulting Numbers: [91, 62, 13] Generated Node #0,4: 88:[91, 62, 13] Operation: 65-52=13 Moving to Node #0,0 Current State: 88:[52, 91, 3], Operations: ['65-62=3'] Exploring Operation: 52+3=55, Resulting Numbers: [91, 55] Generated Node #0,0,0: 88:[91, 55] Operation: 52+3=55 Exploring Operation: 52-3=49, Resulting Numbers: [91, 49] Generated Node #0,0,1: 88:[91, 49] Operation: 52-3=49 Exploring Operation: 91+3=94, Resulting Numbers: [52, 94] Generated Node #0,0,2: 88:[52, 94] Operation: 91+3=94 Exploring Operation: 91-52=39, Resulting Numbers: [3, 39] Generated Node #0,0,3: 88:[3, 39] Operation: 91-52=39 Exploring Operation: 91-3=88, Resulting Numbers: [52, 88] Generated Node #0,0,4: 88:[52, 88] Operation: 91-3=88 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 88:[3, 39], Operations: ['65-62=3', '91-52=39'] Exploring Operation: 3*39=117, Resulting Numbers: [117] 117,88 unequal: No Solution Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,88 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,88 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 88:[91, 49], Operations: ['65-62=3', '52-3=49'] Exploring Operation: 91+49=140, Resulting Numbers: [140] 140,88 unequal: No Solution Exploring Operation: 91-49=42, Resulting Numbers: [42] 42,88 unequal: No Solution Exploring Operation: 91*49=4459, Resulting Numbers: [4459] 4459,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 88:[52, 88], Operations: ['65-62=3', '91-3=88'] Exploring Operation: 88-52=36, Resulting Numbers: [36] 36,88 unequal: No Solution Exploring Operation: 52+88=140, Resulting Numbers: [140] 140,88 unequal: No Solution Exploring Operation: 52*88=4576, Resulting Numbers: [4576] 4576,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[91, 55], Operations: ['65-62=3', '52+3=55'] Exploring Operation: 91*55=5005, Resulting Numbers: [5005] 5005,88 unequal: No Solution Exploring Operation: 91-55=36, Resulting Numbers: [36] 36,88 unequal: No Solution Exploring Operation: 91+55=146, Resulting Numbers: [146] 146,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 88:[52, 94], Operations: ['65-62=3', '91+3=94'] Exploring Operation: 52+94=146, Resulting Numbers: [146] 146,88 unequal: No Solution Exploring Operation: 52*94=4888, Resulting Numbers: [4888] 4888,88 unequal: No Solution Exploring Operation: 94-52=42, Resulting Numbers: [42] 42,88 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: 88:[91, 62, 13], Operations: ['65-52=13'] Exploring Operation: 62-13=49, Resulting Numbers: [91, 49] Generated Node #0,4,0: 88:[91, 49] Operation: 62-13=49 Exploring Operation: 62+13=75, Resulting Numbers: [91, 75] Generated Node #0,4,1: 88:[91, 75] Operation: 62+13=75 Exploring Operation: 91/13=7, Resulting Numbers: [62, 7] Generated Node #0,4,2: 88:[62, 7] Operation: 91/13=7 Exploring Operation: 91-62=29, Resulting Numbers: [13, 29] Generated Node #0,4,3: 88:[13, 29] Operation: 91-62=29 Exploring Operation: 91-13=78, Resulting Numbers: [62, 78] Generated Node #0,4,4: 88:[62, 78] Operation: 91-13=78 Moving to Node #0,1 Current State: 88:[65, 91, 10], Operations: ['62-52=10'] Exploring Operation: 91-65=26, Resulting Numbers: [10, 26] Generated Node #0,1,0: 88:[10, 26] Operation: 91-65=26 Exploring Operation: 91-10=81, Resulting Numbers: [65, 81] Generated Node #0,1,1: 88:[65, 81] Operation: 91-10=81 Exploring Operation: 91+10=101, Resulting Numbers: [65, 101] Generated Node #0,1,2: 88:[65, 101] Operation: 91+10=101 Exploring Operation: 65+10=75, Resulting Numbers: [91, 75] Generated Node #0,1,3: 88:[91, 75] Operation: 65+10=75 Exploring Operation: 65-10=55, Resulting Numbers: [91, 55] Generated Node #0,1,4: 88:[91, 55] Operation: 65-10=55 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 88:[10, 26], Operations: ['62-52=10', '91-65=26'] Exploring Operation: 10*26=260, Resulting Numbers: [260] 260,88 unequal: No Solution Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,88 unequal: No Solution Exploring Operation: 10+26=36, Resulting Numbers: [36] 36,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 88:[91, 55], Operations: ['62-52=10', '65-10=55'] Exploring Operation: 91+55=146, Resulting Numbers: [146] 146,88 unequal: No Solution Exploring Operation: 91-55=36, Resulting Numbers: [36] 36,88 unequal: No Solution Exploring Operation: 91*55=5005, Resulting Numbers: [5005] 5005,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 88:[91, 75], Operations: ['62-52=10', '65+10=75'] Exploring Operation: 91*75=6825, Resulting Numbers: [6825] 6825,88 unequal: No Solution Exploring Operation: 91-75=16, Resulting Numbers: [16] 16,88 unequal: No Solution Exploring Operation: 91+75=166, Resulting Numbers: [166] 166,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 88:[65, 81], Operations: ['62-52=10', '91-10=81'] Exploring Operation: 81-65=16, Resulting Numbers: [16] 16,88 unequal: No Solution Exploring Operation: 65*81=5265, Resulting Numbers: [5265] 5265,88 unequal: No Solution Exploring Operation: 65+81=146, Resulting Numbers: [146] 146,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 88:[65, 101], Operations: ['62-52=10', '91+10=101'] Exploring Operation: 65*101=6565, Resulting Numbers: [6565] 6565,88 unequal: No Solution Exploring Operation: 101-65=36, Resulting Numbers: [36] 36,88 unequal: No Solution Exploring Operation: 65+101=166, Resulting Numbers: [166] 166,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 88:[52, 62, 26], Operations: ['91-65=26'] Exploring Operation: 62+26=88, Resulting Numbers: [52, 88] Generated Node #0,3,0: 88:[52, 88] Operation: 62+26=88 Exploring Operation: 52-26=26, Resulting Numbers: [62, 26] Generated Node #0,3,1: 88:[62, 26] Operation: 52-26=26 Exploring Operation: 62-52=10, Resulting Numbers: [26, 10] Generated Node #0,3,2: 88:[26, 10] Operation: 62-52=10 Exploring Operation: 62-26=36, Resulting Numbers: [52, 36] Generated Node #0,3,3: 88:[52, 36] Operation: 62-26=36 Exploring Operation: 52/26=2, Resulting Numbers: [62, 2] Generated Node #0,3,4: 88:[62, 2] Operation: 52/26=2 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 88:[26, 10], Operations: ['91-65=26', '62-52=10'] Exploring Operation: 26+10=36, Resulting Numbers: [36] 36,88 unequal: No Solution Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,88 unequal: No Solution Exploring Operation: 26*10=260, Resulting Numbers: [260] 260,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 88:[52, 88], Operations: ['91-65=26', '62+26=88'] Exploring Operation: 52*88=4576, Resulting Numbers: [4576] 4576,88 unequal: No Solution Exploring Operation: 88-52=36, Resulting Numbers: [36] 36,88 unequal: No Solution Exploring Operation: 52+88=140, Resulting Numbers: [140] 140,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 88:[52, 36], Operations: ['91-65=26', '62-26=36'] Exploring Operation: 52+36=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[52, 65, 91, 62], Operations: [] Exploring Operation: 91-65=26, Resulting Numbers: [52, 62, 26] Generated Node #0,3: 88:[52, 62, 26] Operation: 91-65=26 Moving to Node #0,3 Current State: 88:[52, 62, 26], Operations: ['91-65=26'] Exploring Operation: 62-26=36, Resulting Numbers: [52, 36] Generated Node #0,3,3: 88:[52, 36] Operation: 62-26=36 Moving to Node #0,3,3 Current State: 88:[52, 36], Operations: ['91-65=26', '62-26=36'] Exploring Operation: 52+36=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.94184
hs_5
mult_heuristic
[ 58, 89, 94, 19 ]
97
[ "58+94=152", "152/19=8", "89+8=97" ]
Current State: 97:[58, 89, 94, 19], Operations: [] Exploring Operation: 58+94=152, Resulting Numbers: [89, 19, 152] Generated Node #2: [89, 19, 152] from Operation: 58+94=152 Current State: 97:[89, 19, 152], Operations: ['58+94=152'] Exploring Operation: 152/19=8, Resulting Numbers: [89, 8] Generated Node #3: [89, 8] from Operation: 152/19=8 Current State: 97:[89, 8], Operations: ['58+94=152', '152/19=8'] Exploring Operation: 89+8=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[58, 89, 94, 19], Operations: [] Exploring Operation: 94+19=113, Resulting Numbers: [58, 89, 113] Generated Node #0,0: 97:[58, 89, 113] Operation: 94+19=113 Exploring Operation: 89+19=108, Resulting Numbers: [58, 94, 108] Generated Node #0,1: 97:[58, 94, 108] Operation: 89+19=108 Exploring Operation: 58+19=77, Resulting Numbers: [89, 94, 77] Generated Node #0,2: 97:[89, 94, 77] Operation: 58+19=77 Start Sub Search at level 1: Moving to Node #0,2 Current State: 97:[89, 94, 77], Operations: ['58+19=77'] Exploring Operation: 94+77=171, Resulting Numbers: [89, 171] Generated Node #0,2,0: 97:[89, 171] Operation: 94+77=171 Exploring Operation: 89+77=166, Resulting Numbers: [94, 166] Generated Node #0,2,1: 97:[94, 166] Operation: 89+77=166 Exploring Operation: 89-77=12, Resulting Numbers: [94, 12] Generated Node #0,2,2: 97:[94, 12] Operation: 89-77=12 Moving to Node #0,2,1 Current State: 97:[94, 166], Operations: ['58+19=77', '89+77=166'] Exploring Operation: 94+166=260, Resulting Numbers: [260] 260,97 unequal: No Solution Exploring Operation: 166-94=72, Resulting Numbers: [72] 72,97 unequal: No Solution Exploring Operation: 94*166=15604, Resulting Numbers: [15604] 15604,97 unequal: No Solution Moving to Node #0,2,0 Current State: 97:[89, 171], Operations: ['58+19=77', '94+77=171'] Exploring Operation: 89+171=260, Resulting Numbers: [260] 260,97 unequal: No Solution Exploring Operation: 89*171=15219, Resulting Numbers: [15219] 15219,97 unequal: No Solution Exploring Operation: 171-89=82, Resulting Numbers: [82] 82,97 unequal: No Solution Moving to Node #0,2,2 Current State: 97:[94, 12], Operations: ['58+19=77', '89-77=12'] Exploring Operation: 94*12=1128, Resulting Numbers: [1128] 1128,97 unequal: No Solution Exploring Operation: 94+12=106, Resulting Numbers: [106] 106,97 unequal: No Solution Exploring Operation: 94-12=82, Resulting Numbers: [82] 82,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[58, 94, 108], Operations: ['89+19=108'] Exploring Operation: 58+94=152, Resulting Numbers: [108, 152] Generated Node #0,1,0: 97:[108, 152] Operation: 58+94=152 Exploring Operation: 108-58=50, Resulting Numbers: [94, 50] Generated Node #0,1,1: 97:[94, 50] Operation: 108-58=50 Exploring Operation: 94-58=36, Resulting Numbers: [108, 36] Generated Node #0,1,2: 97:[108, 36] Operation: 94-58=36 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 97:[94, 50], Operations: ['89+19=108', '108-58=50'] Exploring Operation: 94*50=4700, Resulting Numbers: [4700] 4700,97 unequal: No Solution Exploring Operation: 94-50=44, Resulting Numbers: [44] 44,97 unequal: No Solution Exploring Operation: 94+50=144, Resulting Numbers: [144] 144,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 97:[108, 152], Operations: ['89+19=108', '58+94=152'] Exploring Operation: 108*152=16416, Resulting Numbers: [16416] 16416,97 unequal: No Solution Exploring Operation: 108+152=260, Resulting Numbers: [260] 260,97 unequal: No Solution Exploring Operation: 152-108=44, Resulting Numbers: [44] 44,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 97:[108, 36], Operations: ['89+19=108', '94-58=36'] Exploring Operation: 108+36=144, Resulting Numbers: [144] 144,97 unequal: No Solution Exploring Operation: 108-36=72, Resulting Numbers: [72] 72,97 unequal: No Solution Exploring Operation: 108/36=3, Resulting Numbers: [3] 3,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[58, 89, 113], Operations: ['94+19=113'] Exploring Operation: 89-58=31, Resulting Numbers: [113, 31] Generated Node #0,0,0: 97:[113, 31] Operation: 89-58=31 Exploring Operation: 113-58=55, Resulting Numbers: [89, 55] Generated Node #0,0,1: 97:[89, 55] Operation: 113-58=55 Exploring Operation: 58+89=147, Resulting Numbers: [113, 147] Generated Node #0,0,2: 97:[113, 147] Operation: 58+89=147 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 97:[89, 55], Operations: ['94+19=113', '113-58=55'] Exploring Operation: 89+55=144, Resulting Numbers: [144] 144,97 unequal: No Solution Exploring Operation: 89-55=34, Resulting Numbers: [34] 34,97 unequal: No Solution Exploring Operation: 89*55=4895, Resulting Numbers: [4895] 4895,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 97:[113, 147], Operations: ['94+19=113', '58+89=147'] Exploring Operation: 147-113=34, Resulting Numbers: [34] 34,97 unequal: No Solution Exploring Operation: 113+147=260, Resulting Numbers: [260] 260,97 unequal: No Solution Exploring Operation: 113*147=16611, Resulting Numbers: [16611] 16611,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[113, 31], Operations: ['94+19=113', '89-58=31'] Exploring Operation: 113-31=82, Resulting Numbers: [82] 82,97 unequal: No Solution Exploring Operation: 113*31=3503, Resulting Numbers: [3503] 3503,97 unequal: No Solution Exploring Operation: 113+31=144, Resulting Numbers: [144] 144,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 11, 97, 8, 58 ]
91
[ "8+58=66", "66/11=6", "97-6=91" ]
Current State: 91:[11, 97, 8, 58], Operations: [] Exploring Operation: 8+58=66, Resulting Numbers: [11, 97, 66] Generated Node #2: [11, 97, 66] from Operation: 8+58=66 Current State: 91:[11, 97, 66], Operations: ['8+58=66'] Exploring Operation: 66/11=6, Resulting Numbers: [97, 6] Generated Node #3: [97, 6] from Operation: 66/11=6 Current State: 91:[97, 6], Operations: ['8+58=66', '66/11=6'] Exploring Operation: 97-6=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[11, 97, 8, 58], Operations: [] Exploring Operation: 11+58=69, Resulting Numbers: [97, 8, 69] Generated Node #0,0: 91:[97, 8, 69] Operation: 11+58=69 Exploring Operation: 8+58=66, Resulting Numbers: [11, 97, 66] Generated Node #0,1: 91:[11, 97, 66] Operation: 8+58=66 Exploring Operation: 97-58=39, Resulting Numbers: [11, 8, 39] Generated Node #0,2: 91:[11, 8, 39] Operation: 97-58=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[97, 8, 69], Operations: ['11+58=69'] Exploring Operation: 97-69=28, Resulting Numbers: [8, 28] Generated Node #0,0,0: 91:[8, 28] Operation: 97-69=28 Exploring Operation: 8+69=77, Resulting Numbers: [97, 77] Generated Node #0,0,1: 91:[97, 77] Operation: 8+69=77 Exploring Operation: 97-8=89, Resulting Numbers: [69, 89] Generated Node #0,0,2: 91:[69, 89] Operation: 97-8=89 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 91:[8, 28], Operations: ['11+58=69', '97-69=28'] Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,91 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 91:[97, 77], Operations: ['11+58=69', '8+69=77'] Exploring Operation: 97-77=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 97+77=174, Resulting Numbers: [174] 174,91 unequal: No Solution Exploring Operation: 97*77=7469, Resulting Numbers: [7469] 7469,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 91:[69, 89], Operations: ['11+58=69', '97-8=89'] Exploring Operation: 89-69=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 69*89=6141, Resulting Numbers: [6141] 6141,91 unequal: No Solution Exploring Operation: 69+89=158, Resulting Numbers: [158] 158,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[11, 8, 39], Operations: ['97-58=39'] Exploring Operation: 11*8=88, Resulting Numbers: [39, 88] Generated Node #0,2,0: 91:[39, 88] Operation: 11*8=88 Exploring Operation: 39-11=28, Resulting Numbers: [8, 28] Generated Node #0,2,1: 91:[8, 28] Operation: 39-11=28 Exploring Operation: 39-8=31, Resulting Numbers: [11, 31] Generated Node #0,2,2: 91:[11, 31] Operation: 39-8=31 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 91:[8, 28], Operations: ['97-58=39', '39-11=28'] Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,91 unequal: No Solution Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,91 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 91:[11, 31], Operations: ['97-58=39', '39-8=31'] Exploring Operation: 11*31=341, Resulting Numbers: [341] 341,91 unequal: No Solution Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 11+31=42, Resulting Numbers: [42] 42,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 91:[39, 88], Operations: ['97-58=39', '11*8=88'] Exploring Operation: 39*88=3432, Resulting Numbers: [3432] 3432,91 unequal: No Solution Exploring Operation: 88-39=49, Resulting Numbers: [49] 49,91 unequal: No Solution Exploring Operation: 39+88=127, Resulting Numbers: [127] 127,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[11, 97, 66], Operations: ['8+58=66'] Exploring Operation: 97-66=31, Resulting Numbers: [11, 31] Generated Node #0,1,0: 91:[11, 31] Operation: 97-66=31 Exploring Operation: 66/11=6, Resulting Numbers: [97, 6] Generated Node #0,1,1: 91:[97, 6] Operation: 66/11=6 Exploring Operation: 11+66=77, Resulting Numbers: [97, 77] Generated Node #0,1,2: 91:[97, 77] Operation: 11+66=77 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 91:[97, 6], Operations: ['8+58=66', '66/11=6'] Exploring Operation: 97-6=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[11, 97, 8, 58], Operations: [] Exploring Operation: 8+58=66, Resulting Numbers: [11, 97, 66] Generated Node #0,1: 91:[11, 97, 66] Operation: 8+58=66 Moving to Node #0,1 Current State: 91:[11, 97, 66], Operations: ['8+58=66'] Exploring Operation: 66/11=6, Resulting Numbers: [97, 6] Generated Node #0,1,1: 91:[97, 6] Operation: 66/11=6 Moving to Node #0,1,1 Current State: 91:[97, 6], Operations: ['8+58=66', '66/11=6'] Exploring Operation: 97-6=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_3
sum_heuristic
[ 40, 44, 29, 83 ]
79
[ "40-29=11", "44/11=4", "83-4=79" ]
Current State: 79:[40, 44, 29, 83], Operations: [] Exploring Operation: 40-29=11, Resulting Numbers: [44, 83, 11] Generated Node #2: [44, 83, 11] from Operation: 40-29=11 Current State: 79:[44, 83, 11], Operations: ['40-29=11'] Exploring Operation: 44/11=4, Resulting Numbers: [83, 4] Generated Node #3: [83, 4] from Operation: 44/11=4 Current State: 79:[83, 4], Operations: ['40-29=11', '44/11=4'] Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[40, 44, 29, 83], Operations: [] Exploring Operation: 40+29=69, Resulting Numbers: [44, 83, 69] Generated Node #0,0: 79:[44, 83, 69] Operation: 40+29=69 Moving to Node #0,0 Current State: 79:[44, 83, 69], Operations: ['40+29=69'] Exploring Operation: 44+69=113, Resulting Numbers: [83, 113] Generated Node #0,0,0: 79:[83, 113] Operation: 44+69=113 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[83, 113], Operations: ['40+29=69', '44+69=113'] Exploring Operation: 113-83=30, Resulting Numbers: [30] 30,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 65, 4, 3, 22 ]
75
[ "65+22=87", "4*3=12", "87-12=75" ]
Current State: 75:[65, 4, 3, 22], Operations: [] Exploring Operation: 65+22=87, Resulting Numbers: [4, 3, 87] Generated Node #2: [4, 3, 87] from Operation: 65+22=87 Current State: 75:[4, 3, 87], Operations: ['65+22=87'] Exploring Operation: 4*3=12, Resulting Numbers: [87, 12] Generated Node #3: [87, 12] from Operation: 4*3=12 Current State: 75:[87, 12], Operations: ['65+22=87', '4*3=12'] Exploring Operation: 87-12=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[65, 4, 3, 22], Operations: [] Exploring Operation: 65+4=69, Resulting Numbers: [3, 22, 69] Generated Node #0,0: 75:[3, 22, 69] Operation: 65+4=69 Exploring Operation: 3+22=25, Resulting Numbers: [65, 4, 25] Generated Node #0,1: 75:[65, 4, 25] Operation: 3+22=25 Exploring Operation: 65+3=68, Resulting Numbers: [4, 22, 68] Generated Node #0,2: 75:[4, 22, 68] Operation: 65+3=68 Exploring Operation: 4+22=26, Resulting Numbers: [65, 3, 26] Generated Node #0,3: 75:[65, 3, 26] Operation: 4+22=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[3, 22, 69], Operations: ['65+4=69'] Exploring Operation: 3+69=72, Resulting Numbers: [22, 72] Generated Node #0,0,0: 75:[22, 72] Operation: 3+69=72 Exploring Operation: 22-3=19, Resulting Numbers: [69, 19] Generated Node #0,0,1: 75:[69, 19] Operation: 22-3=19 Exploring Operation: 69/3=23, Resulting Numbers: [22, 23] Generated Node #0,0,2: 75:[22, 23] Operation: 69/3=23 Exploring Operation: 3+22=25, Resulting Numbers: [69, 25] Generated Node #0,0,3: 75:[69, 25] Operation: 3+22=25 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 75:[22, 23], Operations: ['65+4=69', '69/3=23'] Exploring Operation: 22+23=45, Resulting Numbers: [45] 45,75 unequal: No Solution Exploring Operation: 22*23=506, Resulting Numbers: [506] 506,75 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,75 unequal: No Solution No 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: 75:[22, 72], Operations: ['65+4=69', '3+69=72'] Exploring Operation: 72-22=50, Resulting Numbers: [50] 50,75 unequal: No Solution Exploring Operation: 22+72=94, Resulting Numbers: [94] 94,75 unequal: No Solution Exploring Operation: 22*72=1584, Resulting Numbers: [1584] 1584,75 unequal: No Solution No 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: 75:[69, 25], Operations: ['65+4=69', '3+22=25'] Exploring Operation: 69-25=44, Resulting Numbers: [44] 44,75 unequal: No Solution Exploring Operation: 69*25=1725, Resulting Numbers: [1725] 1725,75 unequal: No Solution Exploring Operation: 69+25=94, Resulting Numbers: [94] 94,75 unequal: No Solution No 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: 75:[69, 19], Operations: ['65+4=69', '22-3=19'] Exploring Operation: 69+19=88, Resulting Numbers: [88] 88,75 unequal: No Solution Exploring Operation: 69*19=1311, Resulting Numbers: [1311] 1311,75 unequal: No Solution Exploring Operation: 69-19=50, Resulting Numbers: [50] 50,75 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: 75:[65, 4, 25], Operations: ['3+22=25'] Exploring Operation: 4+25=29, Resulting Numbers: [65, 29] Generated Node #0,1,0: 75:[65, 29] Operation: 4+25=29 Exploring Operation: 65+4=69, Resulting Numbers: [25, 69] Generated Node #0,1,1: 75:[25, 69] Operation: 65+4=69 Exploring Operation: 65-4=61, Resulting Numbers: [25, 61] Generated Node #0,1,2: 75:[25, 61] Operation: 65-4=61 Exploring Operation: 25-4=21, Resulting Numbers: [65, 21] Generated Node #0,1,3: 75:[65, 21] Operation: 25-4=21 Moving to Node #0,1,1 Current State: 75:[25, 69], Operations: ['3+22=25', '65+4=69'] Exploring Operation: 69-25=44, Resulting Numbers: [44] 44,75 unequal: No Solution Exploring Operation: 25*69=1725, Resulting Numbers: [1725] 1725,75 unequal: No Solution Exploring Operation: 25+69=94, Resulting Numbers: [94] 94,75 unequal: No Solution Moving to Node #0,1,2 Current State: 75:[25, 61], Operations: ['3+22=25', '65-4=61'] Exploring Operation: 25*61=1525, Resulting Numbers: [1525] 1525,75 unequal: No Solution Exploring Operation: 25+61=86, Resulting Numbers: [86] 86,75 unequal: No Solution Exploring Operation: 61-25=36, Resulting Numbers: [36] 36,75 unequal: No Solution Moving to Node #0,1,0 Current State: 75:[65, 29], Operations: ['3+22=25', '4+25=29'] Exploring Operation: 65+29=94, Resulting Numbers: [94] 94,75 unequal: No Solution Exploring Operation: 65-29=36, Resulting Numbers: [36] 36,75 unequal: No Solution Exploring Operation: 65*29=1885, Resulting Numbers: [1885] 1885,75 unequal: No Solution Moving to Node #0,1,3 Current State: 75:[65, 21], Operations: ['3+22=25', '25-4=21'] Exploring Operation: 65-21=44, Resulting Numbers: [44] 44,75 unequal: No Solution Exploring Operation: 65*21=1365, Resulting Numbers: [1365] 1365,75 unequal: No Solution Exploring Operation: 65+21=86, Resulting Numbers: [86] 86,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[4, 22, 68], Operations: ['65+3=68'] Exploring Operation: 4+22=26, Resulting Numbers: [68, 26] Generated Node #0,2,0: 75:[68, 26] Operation: 4+22=26 Exploring Operation: 4+68=72, Resulting Numbers: [22, 72] Generated Node #0,2,1: 75:[22, 72] Operation: 4+68=72 Exploring Operation: 68/4=17, Resulting Numbers: [22, 17] Generated Node #0,2,2: 75:[22, 17] Operation: 68/4=17 Exploring Operation: 22-4=18, Resulting Numbers: [68, 18] Generated Node #0,2,3: 75:[68, 18] Operation: 22-4=18 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 75:[22, 17], Operations: ['65+3=68', '68/4=17'] Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,75 unequal: No Solution Exploring Operation: 22+17=39, Resulting Numbers: [39] 39,75 unequal: No Solution Exploring Operation: 22*17=374, Resulting Numbers: [374] 374,75 unequal: No Solution No 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: 75:[22, 72], Operations: ['65+3=68', '4+68=72'] Exploring Operation: 72-22=50, Resulting Numbers: [50] 50,75 unequal: No Solution Exploring Operation: 22+72=94, Resulting Numbers: [94] 94,75 unequal: No Solution Exploring Operation: 22*72=1584, Resulting Numbers: [1584] 1584,75 unequal: No Solution No 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: 75:[68, 26], Operations: ['65+3=68', '4+22=26'] Exploring Operation: 68-26=42, Resulting Numbers: [42] 42,75 unequal: No Solution Exploring Operation: 68*26=1768, Resulting Numbers: [1768] 1768,75 unequal: No Solution Exploring Operation: 68+26=94, Resulting Numbers: [94] 94,75 unequal: No Solution No 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: 75:[68, 18], Operations: ['65+3=68', '22-4=18'] Exploring Operation: 68-18=50, Resulting Numbers: [50] 50,75 unequal: No Solution Exploring Operation: 68+18=86, Resulting Numbers: [86] 86,75 unequal: No Solution Exploring Operation: 68*18=1224, Resulting Numbers: [1224] 1224,75 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: 75:[65, 3, 26], Operations: ['4+22=26'] Exploring Operation: 3*26=78, Resulting Numbers: [65, 78] Generated Node #0,3,0: 75:[65, 78] Operation: 3*26=78 Exploring Operation: 26-3=23, Resulting Numbers: [65, 23] Generated Node #0,3,1: 75:[65, 23] Operation: 26-3=23 Exploring Operation: 65-3=62, Resulting Numbers: [26, 62] Generated Node #0,3,2: 75:[26, 62] Operation: 65-3=62 Exploring Operation: 65+3=68, Resulting Numbers: [26, 68] Generated Node #0,3,3: 75:[26, 68] Operation: 65+3=68 Moving to Node #0,3,3 Current State: 75:[26, 68], Operations: ['4+22=26', '65+3=68'] Exploring Operation: 68-26=42, Resulting Numbers: [42] 42,75 unequal: No Solution Exploring Operation: 26*68=1768, Resulting Numbers: [1768] 1768,75 unequal: No Solution Exploring Operation: 26+68=94, Resulting Numbers: [94] 94,75 unequal: No Solution Moving to Node #0,3,1 Current State: 75:[65, 23], Operations: ['4+22=26', '26-3=23'] Exploring Operation: 65+23=88, Resulting Numbers: [88] 88,75 unequal: No Solution Exploring Operation: 65-23=42, Resulting Numbers: [42] 42,75 unequal: No Solution Exploring Operation: 65*23=1495, Resulting Numbers: [1495] 1495,75 unequal: No Solution Moving to Node #0,3,0 Current State: 75:[65, 78], Operations: ['4+22=26', '3*26=78'] Exploring Operation: 65*78=5070, Resulting Numbers: [5070] 5070,75 unequal: No Solution Exploring Operation: 65+78=143, Resulting Numbers: [143] 143,75 unequal: No Solution Exploring Operation: 78-65=13, Resulting Numbers: [13] 13,75 unequal: No Solution Moving to Node #0,3,2 Current State: 75:[26, 62], Operations: ['4+22=26', '65-3=62'] Exploring Operation: 26+62=88, Resulting Numbers: [88] 88,75 unequal: No Solution Exploring Operation: 62-26=36, Resulting Numbers: [36] 36,75 unequal: No Solution Exploring Operation: 26*62=1612, Resulting Numbers: [1612] 1612,75 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
[ 51, 51, 61, 8 ]
37
[ "51+61=112", "112/8=14", "51-14=37" ]
Current State: 37:[51, 51, 61, 8], Operations: [] Exploring Operation: 51+61=112, Resulting Numbers: [8, 112] Generated Node #2: [8, 112] from Operation: 51+61=112 Current State: 37:[8, 112], Operations: ['51+61=112'] Exploring Operation: 112/8=14, Resulting Numbers: [14] 14,37 equal: Goal Reached Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[51, 51, 61, 8], Operations: [] Exploring Operation: 51-8=43, Resulting Numbers: [51, 61, 43] Generated Node #0,0: 37:[51, 61, 43] Operation: 51-8=43 Exploring Operation: 51-8=43, Resulting Numbers: [51, 61, 43] Generated Node #0,1: 37:[51, 61, 43] Operation: 51-8=43 Exploring Operation: 61-8=53, Resulting Numbers: [51, 51, 53] Generated Node #0,2: 37:[51, 51, 53] Operation: 61-8=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[51, 61, 43], Operations: ['51-8=43'] Exploring Operation: 61-51=10, Resulting Numbers: [43, 10] Generated Node #0,0,0: 37:[43, 10] Operation: 61-51=10 Exploring Operation: 61-43=18, Resulting Numbers: [51, 18] Generated Node #0,0,1: 37:[51, 18] Operation: 61-43=18 Exploring Operation: 51-43=8, Resulting Numbers: [61, 8] Generated Node #0,0,2: 37:[61, 8] Operation: 51-43=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[43, 10], Operations: ['51-8=43', '61-51=10'] Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 43+10=53, Resulting Numbers: [53] 53,37 unequal: No Solution Exploring Operation: 43*10=430, Resulting Numbers: [430] 430,37 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 #0,0,1 Current State: 37:[51, 18], Operations: ['51-8=43', '61-43=18'] Exploring Operation: 51*18=918, Resulting Numbers: [918] 918,37 unequal: No Solution Exploring Operation: 51-18=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 51+18=69, Resulting Numbers: [69] 69,37 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 #0,0,2 Current State: 37:[61, 8], Operations: ['51-8=43', '51-43=8'] Exploring Operation: 61*8=488, Resulting Numbers: [488] 488,37 unequal: No Solution Exploring Operation: 61-8=53, Resulting Numbers: [53] 53,37 unequal: No Solution Exploring Operation: 61+8=69, Resulting Numbers: [69] 69,37 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:[51, 61, 43], Operations: ['51-8=43'] Exploring Operation: 61-43=18, Resulting Numbers: [51, 18] Generated Node #0,1,0: 37:[51, 18] Operation: 61-43=18 Exploring Operation: 61-51=10, Resulting Numbers: [43, 10] Generated Node #0,1,1: 37:[43, 10] Operation: 61-51=10 Exploring Operation: 51-43=8, Resulting Numbers: [61, 8] Generated Node #0,1,2: 37:[61, 8] Operation: 51-43=8 Moving to Node #0,1,0 Current State: 37:[51, 18], Operations: ['51-8=43', '61-43=18'] Exploring Operation: 51+18=69, Resulting Numbers: [69] 69,37 unequal: No Solution Exploring Operation: 51*18=918, Resulting Numbers: [918] 918,37 unequal: No Solution Exploring Operation: 51-18=33, Resulting Numbers: [33] 33,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[43, 10], Operations: ['51-8=43', '61-51=10'] Exploring Operation: 43*10=430, Resulting Numbers: [430] 430,37 unequal: No Solution Exploring Operation: 43+10=53, Resulting Numbers: [53] 53,37 unequal: No Solution Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[61, 8], Operations: ['51-8=43', '51-43=8'] Exploring Operation: 61-8=53, Resulting Numbers: [53] 53,37 unequal: No Solution Exploring Operation: 61+8=69, Resulting Numbers: [69] 69,37 unequal: No Solution Exploring Operation: 61*8=488, Resulting Numbers: [488] 488,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[51, 51, 53], Operations: ['61-8=53'] Exploring Operation: 53-51=2, Resulting Numbers: [51, 2] Generated Node #0,2,0: 37:[51, 2] Operation: 53-51=2 Exploring Operation: 51/51=1, Resulting Numbers: [53, 1] Generated Node #0,2,1: 37:[53, 1] Operation: 51/51=1 Exploring Operation: 53-51=2, Resulting Numbers: [51, 2] Generated Node #0,2,2: 37:[51, 2] Operation: 53-51=2 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 37:[51, 2], Operations: ['61-8=53', '53-51=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,37 unequal: No Solution Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,37 unequal: No Solution Exploring Operation: 51*2=102, Resulting Numbers: [102] 102,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 37:[51, 2], Operations: ['61-8=53', '53-51=2'] Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,37 unequal: No Solution Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,37 unequal: No Solution Exploring Operation: 51*2=102, Resulting Numbers: [102] 102,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 37:[53, 1], Operations: ['61-8=53', '51/51=1'] Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,37 unequal: No Solution Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,37 unequal: No Solution Exploring Operation: 53/1=53, Resulting Numbers: [53] 53,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 32, 60, 94, 92 ]
76
[ "94-92=2", "32/2=16", "60+16=76" ]
Current State: 76:[32, 60, 94, 92], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [32, 60, 2] Generated Node #2: [32, 60, 2] from Operation: 94-92=2 Current State: 76:[32, 60, 2], Operations: ['94-92=2'] Exploring Operation: 32/2=16, Resulting Numbers: [60, 16] Generated Node #3: [60, 16] from Operation: 32/2=16 Current State: 76:[60, 16], Operations: ['94-92=2', '32/2=16'] Exploring Operation: 60+16=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[32, 60, 94, 92], Operations: [] Exploring Operation: 92-60=32, Resulting Numbers: [32, 94, 32] Generated Node #0,0: 76:[32, 94, 32] Operation: 92-60=32 Exploring Operation: 94-60=34, Resulting Numbers: [32, 92, 34] Generated Node #0,1: 76:[32, 92, 34] Operation: 94-60=34 Exploring Operation: 94-92=2, Resulting Numbers: [32, 60, 2] Generated Node #0,2: 76:[32, 60, 2] Operation: 94-92=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[32, 60, 2], Operations: ['94-92=2'] Exploring Operation: 32+60=92, Resulting Numbers: [2, 92] Generated Node #0,2,0: 76:[2, 92] Operation: 32+60=92 Exploring Operation: 60-32=28, Resulting Numbers: [2, 28] Generated Node #0,2,1: 76:[2, 28] Operation: 60-32=28 Exploring Operation: 60/2=30, Resulting Numbers: [32, 30] Generated Node #0,2,2: 76:[32, 30] Operation: 60/2=30 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 76:[2, 28], Operations: ['94-92=2', '60-32=28'] Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,76 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 76:[32, 30], Operations: ['94-92=2', '60/2=30'] Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,76 unequal: No Solution Exploring Operation: 32*30=960, Resulting Numbers: [960] 960,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 76:[2, 92], Operations: ['94-92=2', '32+60=92'] Exploring Operation: 92/2=46, Resulting Numbers: [46] 46,76 unequal: No Solution Exploring Operation: 2+92=94, Resulting Numbers: [94] 94,76 unequal: No Solution Exploring Operation: 92-2=90, Resulting Numbers: [90] 90,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[32, 92, 34], Operations: ['94-60=34'] Exploring Operation: 34-32=2, Resulting Numbers: [92, 2] Generated Node #0,1,0: 76:[92, 2] Operation: 34-32=2 Exploring Operation: 92-34=58, Resulting Numbers: [32, 58] Generated Node #0,1,1: 76:[32, 58] Operation: 92-34=58 Exploring Operation: 92-32=60, Resulting Numbers: [34, 60] Generated Node #0,1,2: 76:[34, 60] Operation: 92-32=60 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 76:[92, 2], Operations: ['94-60=34', '34-32=2'] Exploring Operation: 92/2=46, Resulting Numbers: [46] 46,76 unequal: No Solution Exploring Operation: 92-2=90, Resulting Numbers: [90] 90,76 unequal: No Solution Exploring Operation: 92+2=94, Resulting Numbers: [94] 94,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 76:[34, 60], Operations: ['94-60=34', '92-32=60'] Exploring Operation: 34*60=2040, Resulting Numbers: [2040] 2040,76 unequal: No Solution Exploring Operation: 34+60=94, Resulting Numbers: [94] 94,76 unequal: No Solution Exploring Operation: 60-34=26, Resulting Numbers: [26] 26,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 76:[32, 58], Operations: ['94-60=34', '92-34=58'] Exploring Operation: 32*58=1856, Resulting Numbers: [1856] 1856,76 unequal: No Solution Exploring Operation: 58-32=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 32+58=90, Resulting Numbers: [90] 90,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[32, 94, 32], Operations: ['92-60=32'] Exploring Operation: 32/32=1, Resulting Numbers: [94, 1] Generated Node #0,0,0: 76:[94, 1] Operation: 32/32=1 Exploring Operation: 94-32=62, Resulting Numbers: [32, 62] Generated Node #0,0,1: 76:[32, 62] Operation: 94-32=62 Exploring Operation: 32-32=0, Resulting Numbers: [94, 0] Generated Node #0,0,2: 76:[94, 0] Operation: 32-32=0 Moving to Node #0,0,0 Current State: 76:[94, 1], Operations: ['92-60=32', '32/32=1'] Exploring Operation: 94/1=94, Resulting Numbers: [94] 94,76 unequal: No Solution Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,76 unequal: No Solution Exploring Operation: 94*1=94, Resulting Numbers: [94] 94,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[32, 62], Operations: ['92-60=32', '94-32=62'] Exploring Operation: 62-32=30, Resulting Numbers: [30] 30,76 unequal: No Solution Exploring Operation: 32+62=94, Resulting Numbers: [94] 94,76 unequal: No Solution Exploring Operation: 32*62=1984, Resulting Numbers: [1984] 1984,76 unequal: No Solution Moving to Node #0,0,2 Current State: 76:[94, 0], Operations: ['92-60=32', '32-32=0'] Exploring Operation: 94+0=94, Resulting Numbers: [94] 94,76 unequal: No Solution Exploring Operation: 94-0=94, Resulting Numbers: [94] 94,76 unequal: No Solution Exploring Operation: 94*0=0, Resulting Numbers: [0] 0,76 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
[ 30, 38, 56, 1 ]
13
[ "30+38=68", "56-1=55", "68-55=13" ]
Current State: 13:[30, 38, 56, 1], Operations: [] Exploring Operation: 30+38=68, Resulting Numbers: [56, 1, 68] Generated Node #2: [56, 1, 68] from Operation: 30+38=68 Current State: 13:[56, 1, 68], Operations: ['30+38=68'] Exploring Operation: 56-1=55, Resulting Numbers: [68, 55] Generated Node #3: [68, 55] from Operation: 56-1=55 Current State: 13:[68, 55], Operations: ['30+38=68', '56-1=55'] Exploring Operation: 68-55=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[30, 38, 56, 1], Operations: [] Exploring Operation: 56-38=18, Resulting Numbers: [30, 1, 18] Generated Node #0,0: 13:[30, 1, 18] Operation: 56-38=18 Exploring Operation: 38-30=8, Resulting Numbers: [56, 1, 8] Generated Node #0,1: 13:[56, 1, 8] Operation: 38-30=8 Exploring Operation: 56-30=26, Resulting Numbers: [38, 1, 26] Generated Node #0,2: 13:[38, 1, 26] Operation: 56-30=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[30, 1, 18], Operations: ['56-38=18'] Exploring Operation: 30-1=29, Resulting Numbers: [18, 29] Generated Node #0,0,0: 13:[18, 29] Operation: 30-1=29 Exploring Operation: 18-1=17, Resulting Numbers: [30, 17] Generated Node #0,0,1: 13:[30, 17] Operation: 18-1=17 Exploring Operation: 30-18=12, Resulting Numbers: [1, 12] Generated Node #0,0,2: 13:[1, 12] Operation: 30-18=12 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 13:[1, 12], Operations: ['56-38=18', '30-18=12'] Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[30, 38, 56, 1], Operations: [] Exploring Operation: 56-38=18, Resulting Numbers: [30, 1, 18] Generated Node #0,0: 13:[30, 1, 18] Operation: 56-38=18 Moving to Node #0,0 Current State: 13:[30, 1, 18], Operations: ['56-38=18'] Exploring Operation: 30-18=12, Resulting Numbers: [1, 12] Generated Node #0,0,2: 13:[1, 12] Operation: 30-18=12 Moving to Node #0,0,2 Current State: 13:[1, 12], Operations: ['56-38=18', '30-18=12'] Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 24, 84, 71, 5 ]
59
[ "84-24=60", "60/5=12", "71-12=59" ]
Current State: 59:[24, 84, 71, 5], Operations: [] Exploring Operation: 84-24=60, Resulting Numbers: [71, 5, 60] Generated Node #2: [71, 5, 60] from Operation: 84-24=60 Current State: 59:[71, 5, 60], Operations: ['84-24=60'] Exploring Operation: 60/5=12, Resulting Numbers: [71, 12] Generated Node #3: [71, 12] from Operation: 60/5=12 Current State: 59:[71, 12], Operations: ['84-24=60', '60/5=12'] Exploring Operation: 71-12=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[24, 84, 71, 5], Operations: [] Exploring Operation: 84-24=60, Resulting Numbers: [71, 5, 60] Generated Node #0,0: 59:[71, 5, 60] Operation: 84-24=60 Exploring Operation: 24+5=29, Resulting Numbers: [84, 71, 29] Generated Node #0,1: 59:[84, 71, 29] Operation: 24+5=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[71, 5, 60], Operations: ['84-24=60'] Exploring Operation: 60-5=55, Resulting Numbers: [71, 55] Generated Node #0,0,0: 59:[71, 55] Operation: 60-5=55 Exploring Operation: 71-5=66, Resulting Numbers: [60, 66] Generated Node #0,0,1: 59:[60, 66] Operation: 71-5=66 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 59:[60, 66], Operations: ['84-24=60', '71-5=66'] Exploring Operation: 66-60=6, Resulting Numbers: [6] 6,59 unequal: No Solution Exploring Operation: 60+66=126, Resulting Numbers: [126] 126,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 59:[71, 55], Operations: ['84-24=60', '60-5=55'] Exploring Operation: 71+55=126, Resulting Numbers: [126] 126,59 unequal: No Solution Exploring Operation: 71-55=16, Resulting Numbers: [16] 16,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[84, 71, 29], Operations: ['24+5=29'] Exploring Operation: 84-29=55, Resulting Numbers: [71, 55] Generated Node #0,1,0: 59:[71, 55] Operation: 84-29=55 Exploring Operation: 71-29=42, Resulting Numbers: [84, 42] Generated Node #0,1,1: 59:[84, 42] Operation: 71-29=42 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 59:[71, 55], Operations: ['24+5=29', '84-29=55'] Exploring Operation: 71+55=126, Resulting Numbers: [126] 126,59 unequal: No Solution Exploring Operation: 71-55=16, Resulting Numbers: [16] 16,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 59:[84, 42], Operations: ['24+5=29', '71-29=42'] Exploring Operation: 84/42=2, Resulting Numbers: [2] 2,59 unequal: No Solution Exploring Operation: 84-42=42, Resulting Numbers: [42] 42,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 16, 32, 51, 50 ]
26
[ "32/16=2", "50/2=25", "51-25=26" ]
Current State: 26:[16, 32, 51, 50], Operations: [] Exploring Operation: 32/16=2, Resulting Numbers: [51, 50, 2] Generated Node #2: [51, 50, 2] from Operation: 32/16=2 Current State: 26:[51, 50, 2], Operations: ['32/16=2'] Exploring Operation: 50/2=25, Resulting Numbers: [51, 25] Generated Node #3: [51, 25] from Operation: 50/2=25 Current State: 26:[51, 25], Operations: ['32/16=2', '50/2=25'] Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[16, 32, 51, 50], Operations: [] Exploring Operation: 51-50=1, Resulting Numbers: [16, 32, 1] Generated Node #0,0: 26:[16, 32, 1] Operation: 51-50=1 Exploring Operation: 50-32=18, Resulting Numbers: [16, 51, 18] Generated Node #0,1: 26:[16, 51, 18] Operation: 50-32=18 Exploring Operation: 51-32=19, Resulting Numbers: [16, 50, 19] Generated Node #0,2: 26:[16, 50, 19] Operation: 51-32=19 Moving to Node #0,0 Current State: 26:[16, 32, 1], Operations: ['51-50=1'] Exploring Operation: 32/16=2, Resulting Numbers: [1, 2] Generated Node #0,0,0: 26:[1, 2] Operation: 32/16=2 Exploring Operation: 32-16=16, Resulting Numbers: [1, 16] Generated Node #0,0,1: 26:[1, 16] Operation: 32-16=16 Exploring Operation: 16-1=15, Resulting Numbers: [32, 15] Generated Node #0,0,2: 26:[32, 15] Operation: 16-1=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[1, 2], Operations: ['51-50=1', '32/16=2'] Exploring Operation: 1*2=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 1+2=3, Resulting Numbers: [3] 3,26 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 #0,0,1 Current State: 26:[1, 16], Operations: ['51-50=1', '32-16=16'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,26 unequal: No Solution Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,26 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,26 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 #0,0,2 Current State: 26:[32, 15], Operations: ['51-50=1', '16-1=15'] Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 32+15=47, Resulting Numbers: [47] 47,26 unequal: No Solution Exploring Operation: 32*15=480, Resulting Numbers: [480] 480,26 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: 26:[16, 51, 18], Operations: ['50-32=18'] Exploring Operation: 18-16=2, Resulting Numbers: [51, 2] Generated Node #0,1,0: 26:[51, 2] Operation: 18-16=2 Exploring Operation: 51-18=33, Resulting Numbers: [16, 33] Generated Node #0,1,1: 26:[16, 33] Operation: 51-18=33 Exploring Operation: 51-16=35, Resulting Numbers: [18, 35] Generated Node #0,1,2: 26:[18, 35] Operation: 51-16=35 Moving to Node #0,2 Current State: 26:[16, 50, 19], Operations: ['51-32=19'] Exploring Operation: 50-19=31, Resulting Numbers: [16, 31] Generated Node #0,2,0: 26:[16, 31] Operation: 50-19=31 Exploring Operation: 19-16=3, Resulting Numbers: [50, 3] Generated Node #0,2,1: 26:[50, 3] Operation: 19-16=3 Exploring Operation: 50-16=34, Resulting Numbers: [19, 34] Generated Node #0,2,2: 26:[19, 34] Operation: 50-16=34 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 26:[16, 31], Operations: ['51-32=19', '50-19=31'] Exploring Operation: 31-16=15, Resulting Numbers: [15] 15,26 unequal: No Solution Exploring Operation: 16+31=47, Resulting Numbers: [47] 47,26 unequal: No Solution Exploring Operation: 16*31=496, Resulting Numbers: [496] 496,26 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 #0,2,2 Current State: 26:[19, 34], Operations: ['51-32=19', '50-16=34'] Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,26 unequal: No Solution Exploring Operation: 19+34=53, Resulting Numbers: [53] 53,26 unequal: No Solution Exploring Operation: 19*34=646, Resulting Numbers: [646] 646,26 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 #0,2,1 Current State: 26:[50, 3], Operations: ['51-32=19', '19-16=3'] Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,26 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,26 unequal: No Solution Exploring Operation: 50*3=150, Resulting Numbers: [150] 150,26 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: 26:[16, 33], Operations: ['50-32=18', '51-18=33'] Exploring Operation: 16+33=49, Resulting Numbers: [49] 49,26 unequal: No Solution Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 16*33=528, Resulting Numbers: [528] 528,26 unequal: No Solution Moving to Node #0,1,2 Current State: 26:[18, 35], Operations: ['50-32=18', '51-16=35'] Exploring Operation: 18*35=630, Resulting Numbers: [630] 630,26 unequal: No Solution Exploring Operation: 35-18=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 18+35=53, Resulting Numbers: [53] 53,26 unequal: No Solution Moving to Node #0,1,0 Current State: 26:[51, 2], Operations: ['50-32=18', '18-16=2'] Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,26 unequal: No Solution Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,26 unequal: No Solution Exploring Operation: 51*2=102, Resulting Numbers: [102] 102,26 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 12, 11, 39, 2 ]
85
[ "12+11=23", "2*23=46", "39+46=85" ]
Current State: 85:[12, 11, 39, 2], Operations: [] Exploring Operation: 12+11=23, Resulting Numbers: [39, 2, 23] Generated Node #2: [39, 2, 23] from Operation: 12+11=23 Current State: 85:[39, 2, 23], Operations: ['12+11=23'] Exploring Operation: 2*23=46, Resulting Numbers: [39, 46] Generated Node #3: [39, 46] from Operation: 2*23=46 Current State: 85:[39, 46], Operations: ['12+11=23', '2*23=46'] Exploring Operation: 39+46=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[12, 11, 39, 2], Operations: [] Exploring Operation: 39-11=28, Resulting Numbers: [12, 2, 28] Generated Node #0,0: 85:[12, 2, 28] Operation: 39-11=28 Exploring Operation: 39-12=27, Resulting Numbers: [11, 2, 27] Generated Node #0,1: 85:[11, 2, 27] Operation: 39-12=27 Exploring Operation: 12-11=1, Resulting Numbers: [39, 2, 1] Generated Node #0,2: 85:[39, 2, 1] Operation: 12-11=1 Exploring Operation: 12/2=6, Resulting Numbers: [11, 39, 6] Generated Node #0,3: 85:[11, 39, 6] Operation: 12/2=6 Exploring Operation: 39*2=78, Resulting Numbers: [12, 11, 78] Generated Node #0,4: 85:[12, 11, 78] Operation: 39*2=78 Moving to Node #0,4 Current State: 85:[12, 11, 78], Operations: ['39*2=78'] Exploring Operation: 12+11=23, Resulting Numbers: [78, 23] Generated Node #0,4,0: 85:[78, 23] Operation: 12+11=23 Exploring Operation: 11+78=89, Resulting Numbers: [12, 89] Generated Node #0,4,1: 85:[12, 89] Operation: 11+78=89 Exploring Operation: 78-11=67, Resulting Numbers: [12, 67] Generated Node #0,4,2: 85:[12, 67] Operation: 78-11=67 Exploring Operation: 12+78=90, Resulting Numbers: [11, 90] Generated Node #0,4,3: 85:[11, 90] Operation: 12+78=90 Exploring Operation: 12-11=1, Resulting Numbers: [78, 1] Generated Node #0,4,4: 85:[78, 1] Operation: 12-11=1 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 85:[12, 89], Operations: ['39*2=78', '11+78=89'] Exploring Operation: 12+89=101, Resulting Numbers: [101] 101,85 unequal: No Solution Exploring Operation: 12*89=1068, Resulting Numbers: [1068] 1068,85 unequal: No Solution Exploring Operation: 89-12=77, Resulting Numbers: [77] 77,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 85:[11, 90], Operations: ['39*2=78', '12+78=90'] Exploring Operation: 11+90=101, Resulting Numbers: [101] 101,85 unequal: No Solution Exploring Operation: 90-11=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 11*90=990, Resulting Numbers: [990] 990,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 85:[78, 1], Operations: ['39*2=78', '12-11=1'] Exploring Operation: 78*1=78, Resulting Numbers: [78] 78,85 unequal: No Solution Exploring Operation: 78+1=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,85 unequal: No Solution Exploring Operation: 78/1=78, Resulting Numbers: [78] 78,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 85:[78, 23], Operations: ['39*2=78', '12+11=23'] Exploring Operation: 78-23=55, Resulting Numbers: [55] 55,85 unequal: No Solution Exploring Operation: 78+23=101, Resulting Numbers: [101] 101,85 unequal: No Solution Exploring Operation: 78*23=1794, Resulting Numbers: [1794] 1794,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 85:[12, 67], Operations: ['39*2=78', '78-11=67'] Exploring Operation: 12+67=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 12*67=804, Resulting Numbers: [804] 804,85 unequal: No Solution Exploring Operation: 67-12=55, Resulting Numbers: [55] 55,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 85:[11, 2, 27], Operations: ['39-12=27'] Exploring Operation: 11*2=22, Resulting Numbers: [27, 22] Generated Node #0,1,0: 85:[27, 22] Operation: 11*2=22 Exploring Operation: 27-2=25, Resulting Numbers: [11, 25] Generated Node #0,1,1: 85:[11, 25] Operation: 27-2=25 Exploring Operation: 27-11=16, Resulting Numbers: [2, 16] Generated Node #0,1,2: 85:[2, 16] Operation: 27-11=16 Exploring Operation: 11-2=9, Resulting Numbers: [27, 9] Generated Node #0,1,3: 85:[27, 9] Operation: 11-2=9 Exploring Operation: 11+2=13, Resulting Numbers: [27, 13] Generated Node #0,1,4: 85:[27, 13] Operation: 11+2=13 Moving to Node #0,0 Current State: 85:[12, 2, 28], Operations: ['39-11=28'] Exploring Operation: 28-12=16, Resulting Numbers: [2, 16] Generated Node #0,0,0: 85:[2, 16] Operation: 28-12=16 Exploring Operation: 12/2=6, Resulting Numbers: [28, 6] Generated Node #0,0,1: 85:[28, 6] Operation: 12/2=6 Exploring Operation: 12+2=14, Resulting Numbers: [28, 14] Generated Node #0,0,2: 85:[28, 14] Operation: 12+2=14 Exploring Operation: 28/2=14, Resulting Numbers: [12, 14] Generated Node #0,0,3: 85:[12, 14] Operation: 28/2=14 Exploring Operation: 28-2=26, Resulting Numbers: [12, 26] Generated Node #0,0,4: 85:[12, 26] Operation: 28-2=26 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 85:[2, 16], Operations: ['39-11=28', '28-12=16'] Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,85 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,85 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 85:[12, 14], Operations: ['39-11=28', '28/2=14'] Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,85 unequal: No Solution Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,85 unequal: No Solution Exploring Operation: 12*14=168, Resulting Numbers: [168] 168,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 85:[28, 6], Operations: ['39-11=28', '12/2=6'] Exploring Operation: 28*6=168, Resulting Numbers: [168] 168,85 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,85 unequal: No Solution Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 85:[28, 14], Operations: ['39-11=28', '12+2=14'] Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,85 unequal: No Solution Exploring Operation: 28*14=392, Resulting Numbers: [392] 392,85 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,85 unequal: No Solution Exploring Operation: 28+14=42, Resulting Numbers: [42] 42,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 85:[12, 26], Operations: ['39-11=28', '28-2=26'] Exploring Operation: 12*26=312, Resulting Numbers: [312] 312,85 unequal: No Solution Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,85 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,85 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: 85:[39, 2, 1], Operations: ['12-11=1'] Exploring Operation: 2+1=3, Resulting Numbers: [39, 3] Generated Node #0,2,0: 85:[39, 3] Operation: 2+1=3 Exploring Operation: 39-1=38, Resulting Numbers: [2, 38] Generated Node #0,2,1: 85:[2, 38] Operation: 39-1=38 Exploring Operation: 39-2=37, Resulting Numbers: [1, 37] Generated Node #0,2,2: 85:[1, 37] Operation: 39-2=37 Exploring Operation: 39*1=39, Resulting Numbers: [2, 39] Generated Node #0,2,3: 85:[2, 39] Operation: 39*1=39 Exploring Operation: 39*2=78, Resulting Numbers: [1, 78] Generated Node #0,2,4: 85:[1, 78] Operation: 39*2=78 Moving to Node #0,3 Current State: 85:[11, 39, 6], Operations: ['12/2=6'] Exploring Operation: 11+39=50, Resulting Numbers: [6, 50] Generated Node #0,3,0: 85:[6, 50] Operation: 11+39=50 Exploring Operation: 39-11=28, Resulting Numbers: [6, 28] Generated Node #0,3,1: 85:[6, 28] Operation: 39-11=28 Exploring Operation: 39-6=33, Resulting Numbers: [11, 33] Generated Node #0,3,2: 85:[11, 33] Operation: 39-6=33 Exploring Operation: 11+6=17, Resulting Numbers: [39, 17] Generated Node #0,3,3: 85:[39, 17] Operation: 11+6=17 Exploring Operation: 11-6=5, Resulting Numbers: [39, 5] Generated Node #0,3,4: 85:[39, 5] Operation: 11-6=5 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 85:[6, 28], Operations: ['12/2=6', '39-11=28'] Exploring Operation: 6+28=34, Resulting Numbers: [34] 34,85 unequal: No Solution Exploring Operation: 6*28=168, Resulting Numbers: [168] 168,85 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 85:[11, 33], Operations: ['12/2=6', '39-6=33'] Exploring Operation: 11+33=44, Resulting Numbers: [44] 44,85 unequal: No Solution Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,85 unequal: No Solution Exploring Operation: 11*33=363, Resulting Numbers: [363] 363,85 unequal: No Solution Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 85:[39, 17], Operations: ['12/2=6', '11+6=17'] Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,85 unequal: No Solution Exploring Operation: 39+17=56, Resulting Numbers: [56] 56,85 unequal: No Solution Exploring Operation: 39*17=663, Resulting Numbers: [663] 663,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 85:[39, 5], Operations: ['12/2=6', '11-6=5'] Exploring Operation: 39*5=195, Resulting Numbers: [195] 195,85 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,85 unequal: No Solution Exploring Operation: 39+5=44, Resulting Numbers: [44] 44,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 85:[6, 50], Operations: ['12/2=6', '11+39=50'] Exploring Operation: 6*50=300, Resulting Numbers: [300] 300,85 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,85 unequal: No Solution Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 85:[2, 16], Operations: ['39-12=27', '27-11=16'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,85 unequal: No Solution Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,85 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,85 unequal: No Solution Moving to Node #0,2,4 Current State: 85:[1, 78], Operations: ['12-11=1', '39*2=78'] Exploring Operation: 1+78=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 78/1=78, Resulting Numbers: [78] 78,85 unequal: No Solution Exploring Operation: 1*78=78, Resulting Numbers: [78] 78,85 unequal: No Solution Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,85 unequal: No Solution Moving to Node #0,1,3 Current State: 85:[27, 9], Operations: ['39-12=27', '11-2=9'] Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,85 unequal: No Solution Exploring Operation: 27*9=243, Resulting Numbers: [243] 243,85 unequal: No Solution Exploring Operation: 27+9=36, Resulting Numbers: [36] 36,85 unequal: No Solution Moving to Node #0,1,1 Current State: 85:[11, 25], Operations: ['39-12=27', '27-2=25'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,85 unequal: No Solution Exploring Operation: 11*25=275, Resulting Numbers: [275] 275,85 unequal: No Solution Exploring Operation: 11+25=36, Resulting Numbers: [36] 36,85 unequal: No Solution Moving to Node #0,1,4 Current State: 85:[27, 13], Operations: ['39-12=27', '11+2=13'] Exploring Operation: 27*13=351, Resulting Numbers: [351] 351,85 unequal: No Solution Exploring Operation: 27+13=40, Resulting Numbers: [40] 40,85 unequal: No Solution Exploring Operation: 27-13=14, Resulting Numbers: [14] 14,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[27, 22], Operations: ['39-12=27', '11*2=22'] Exploring Operation: 27+22=49, Resulting Numbers: [49] 49,85 unequal: No Solution Exploring Operation: 27*22=594, Resulting Numbers: [594] 594,85 unequal: No Solution Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,85 unequal: No Solution Moving to Node #0,2,0 Current State: 85:[39, 3], Operations: ['12-11=1', '2+1=3'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,85 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,85 unequal: No Solution Exploring Operation: 39*3=117, Resulting Numbers: [117] 117,85 unequal: No Solution Exploring Operation: 39+3=42, Resulting Numbers: [42] 42,85 unequal: No Solution Moving to Node #0,2,2 Current State: 85:[1, 37], Operations: ['12-11=1', '39-2=37'] Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,85 unequal: No Solution Exploring Operation: 1+37=38, Resulting Numbers: [38] 38,85 unequal: No Solution Exploring Operation: 1*37=37, Resulting Numbers: [37] 37,85 unequal: No Solution Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,85 unequal: No Solution Moving to Node #0,2,1 Current State: 85:[2, 38], Operations: ['12-11=1', '39-1=38'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,85 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,85 unequal: No Solution Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,85 unequal: No Solution Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,85 unequal: No Solution Moving to Node #0,2,3 Current State: 85:[2, 39], Operations: ['12-11=1', '39*1=39'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,85 unequal: No Solution Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,85 unequal: No Solution Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,85 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 60, 46, 51, 17 ]
38
[ "60+46=106", "51+17=68", "106-68=38" ]
Current State: 38:[60, 46, 51, 17], Operations: [] Exploring Operation: 60+46=106, Resulting Numbers: [51, 17, 106] Generated Node #2: [51, 17, 106] from Operation: 60+46=106 Current State: 38:[51, 17, 106], Operations: ['60+46=106'] Exploring Operation: 51+17=68, Resulting Numbers: [106, 68] Generated Node #3: [106, 68] from Operation: 51+17=68 Current State: 38:[106, 68], Operations: ['60+46=106', '51+17=68'] Exploring Operation: 106-68=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[60, 46, 51, 17], Operations: [] Exploring Operation: 51/17=3, Resulting Numbers: [60, 46, 3] Generated Node #0,0: 38:[60, 46, 3] Operation: 51/17=3 Exploring Operation: 60-51=9, Resulting Numbers: [46, 17, 9] Generated Node #0,1: 38:[46, 17, 9] Operation: 60-51=9 Exploring Operation: 60-17=43, Resulting Numbers: [46, 51, 43] Generated Node #0,2: 38:[46, 51, 43] Operation: 60-17=43 Exploring Operation: 60-46=14, Resulting Numbers: [51, 17, 14] Generated Node #0,3: 38:[51, 17, 14] Operation: 60-46=14 Exploring Operation: 51-46=5, Resulting Numbers: [60, 17, 5] Generated Node #0,4: 38:[60, 17, 5] Operation: 51-46=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[46, 17, 9], Operations: ['60-51=9'] Exploring Operation: 17-9=8, Resulting Numbers: [46, 8] Generated Node #0,1,0: 38:[46, 8] Operation: 17-9=8 Exploring Operation: 46-9=37, Resulting Numbers: [17, 37] Generated Node #0,1,1: 38:[17, 37] Operation: 46-9=37 Exploring Operation: 46-17=29, Resulting Numbers: [9, 29] Generated Node #0,1,2: 38:[9, 29] Operation: 46-17=29 Exploring Operation: 46+9=55, Resulting Numbers: [17, 55] Generated Node #0,1,3: 38:[17, 55] Operation: 46+9=55 Exploring Operation: 17+9=26, Resulting Numbers: [46, 26] Generated Node #0,1,4: 38:[46, 26] Operation: 17+9=26 Moving to Node #0,1,1 Current State: 38:[17, 37], Operations: ['60-51=9', '46-9=37'] Exploring Operation: 17+37=54, Resulting Numbers: [54] 54,38 unequal: No Solution Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,38 unequal: No Solution Exploring Operation: 17*37=629, Resulting Numbers: [629] 629,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[46, 8], Operations: ['60-51=9', '17-9=8'] Exploring Operation: 46*8=368, Resulting Numbers: [368] 368,38 unequal: No Solution Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[60, 46, 51, 17], Operations: [] Exploring Operation: 60-51=9, Resulting Numbers: [46, 17, 9] Generated Node #0,1: 38:[46, 17, 9] Operation: 60-51=9 Moving to Node #0,1 Current State: 38:[46, 17, 9], Operations: ['60-51=9'] Exploring Operation: 17-9=8, Resulting Numbers: [46, 8] Generated Node #0,1,0: 38:[46, 8] Operation: 17-9=8 Moving to Node #0,1,0 Current State: 38:[46, 8], Operations: ['60-51=9', '17-9=8'] Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 40, 30, 10, 27 ]
64
[ "40+27=67", "30/10=3", "67-3=64" ]
Current State: 64:[40, 30, 10, 27], Operations: [] Exploring Operation: 40+27=67, Resulting Numbers: [30, 10, 67] Generated Node #2: [30, 10, 67] from Operation: 40+27=67 Current State: 64:[30, 10, 67], Operations: ['40+27=67'] Exploring Operation: 30/10=3, Resulting Numbers: [67, 3] Generated Node #3: [67, 3] from Operation: 30/10=3 Current State: 64:[67, 3], Operations: ['40+27=67', '30/10=3'] Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[40, 30, 10, 27], Operations: [] Exploring Operation: 40+27=67, Resulting Numbers: [30, 10, 67] Generated Node #0,0: 64:[30, 10, 67] Operation: 40+27=67 Exploring Operation: 40-27=13, Resulting Numbers: [30, 10, 13] Generated Node #0,1: 64:[30, 10, 13] Operation: 40-27=13 Exploring Operation: 40/10=4, Resulting Numbers: [30, 27, 4] Generated Node #0,2: 64:[30, 27, 4] Operation: 40/10=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[30, 10, 67], Operations: ['40+27=67'] Exploring Operation: 67-30=37, Resulting Numbers: [10, 37] Generated Node #0,0,0: 64:[10, 37] Operation: 67-30=37 Exploring Operation: 30/10=3, Resulting Numbers: [67, 3] Generated Node #0,0,1: 64:[67, 3] Operation: 30/10=3 Exploring Operation: 30-10=20, Resulting Numbers: [67, 20] Generated Node #0,0,2: 64:[67, 20] Operation: 30-10=20 Moving to Node #0,0,1 Current State: 64:[67, 3], Operations: ['40+27=67', '30/10=3'] Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[40, 30, 10, 27], Operations: [] Exploring Operation: 40+27=67, Resulting Numbers: [30, 10, 67] Generated Node #0,0: 64:[30, 10, 67] Operation: 40+27=67 Moving to Node #0,0 Current State: 64:[30, 10, 67], Operations: ['40+27=67'] Exploring Operation: 30/10=3, Resulting Numbers: [67, 3] Generated Node #0,0,1: 64:[67, 3] Operation: 30/10=3 Moving to Node #0,0,1 Current State: 64:[67, 3], Operations: ['40+27=67', '30/10=3'] Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 82, 52, 63, 34 ]
100
[ "82*63=5166", "34+5166=5200", "5200/52=100" ]
Current State: 100:[82, 52, 63, 34], Operations: [] Exploring Operation: 82*63=5166, Resulting Numbers: [52, 34, 5166] Generated Node #2: [52, 34, 5166] from Operation: 82*63=5166 Current State: 100:[52, 34, 5166], Operations: ['82*63=5166'] Exploring Operation: 34+5166=5200, Resulting Numbers: [52, 5200] Generated Node #3: [52, 5200] from Operation: 34+5166=5200 Current State: 100:[52, 5200], Operations: ['82*63=5166', '34+5166=5200'] Exploring Operation: 5200/52=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[82, 52, 63, 34], Operations: [] Exploring Operation: 82-63=19, Resulting Numbers: [52, 34, 19] Generated Node #0,0: 100:[52, 34, 19] Operation: 82-63=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[52, 34, 19], Operations: ['82-63=19'] Exploring Operation: 52-34=18, Resulting Numbers: [19, 18] Generated Node #0,0,0: 100:[19, 18] Operation: 52-34=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 100:[19, 18], Operations: ['82-63=19', '52-34=18'] Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 8, 35, 70, 45 ]
60
[ "35+45=80", "80/8=10", "70-10=60" ]
Current State: 60:[8, 35, 70, 45], Operations: [] Exploring Operation: 35+45=80, Resulting Numbers: [8, 70, 80] Generated Node #2: [8, 70, 80] from Operation: 35+45=80 Current State: 60:[8, 70, 80], Operations: ['35+45=80'] Exploring Operation: 80/8=10, Resulting Numbers: [70, 10] Generated Node #3: [70, 10] from Operation: 80/8=10 Current State: 60:[70, 10], Operations: ['35+45=80', '80/8=10'] Exploring Operation: 70-10=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[8, 35, 70, 45], Operations: [] Exploring Operation: 8+45=53, Resulting Numbers: [35, 70, 53] Generated Node #0,0: 60:[35, 70, 53] Operation: 8+45=53 Exploring Operation: 45-35=10, Resulting Numbers: [8, 70, 10] Generated Node #0,1: 60:[8, 70, 10] Operation: 45-35=10 Exploring Operation: 70/35=2, Resulting Numbers: [8, 45, 2] Generated Node #0,2: 60:[8, 45, 2] Operation: 70/35=2 Exploring Operation: 70-8=62, Resulting Numbers: [35, 45, 62] Generated Node #0,3: 60:[35, 45, 62] Operation: 70-8=62 Exploring Operation: 70-45=25, Resulting Numbers: [8, 35, 25] Generated Node #0,4: 60:[8, 35, 25] Operation: 70-45=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[8, 70, 10], Operations: ['45-35=10'] Exploring Operation: 8+10=18, Resulting Numbers: [70, 18] Generated Node #0,1,0: 60:[70, 18] Operation: 8+10=18 Exploring Operation: 10-8=2, Resulting Numbers: [70, 2] Generated Node #0,1,1: 60:[70, 2] Operation: 10-8=2 Exploring Operation: 70/10=7, Resulting Numbers: [8, 7] Generated Node #0,1,2: 60:[8, 7] Operation: 70/10=7 Exploring Operation: 70-8=62, Resulting Numbers: [10, 62] Generated Node #0,1,3: 60:[10, 62] Operation: 70-8=62 Exploring Operation: 70-10=60, Resulting Numbers: [8, 60] Generated Node #0,1,4: 60:[8, 60] Operation: 70-10=60 Moving to Node #0,1,3 Current State: 60:[10, 62], Operations: ['45-35=10', '70-8=62'] Exploring Operation: 10*62=620, Resulting Numbers: [620] 620,60 unequal: No Solution Exploring Operation: 10+62=72, Resulting Numbers: [72] 72,60 unequal: No Solution Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,60 unequal: No Solution Moving to Node #0,1,4 Current State: 60:[8, 60], Operations: ['45-35=10', '70-10=60'] Exploring Operation: 8+60=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 8*60=480, Resulting Numbers: [480] 480,60 unequal: No Solution Exploring Operation: 60-8=52, Resulting Numbers: [52] 52,60 unequal: No Solution Moving to Node #0,1,2 Current State: 60:[8, 7], Operations: ['45-35=10', '70/10=7'] Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,60 unequal: No Solution Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,60 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[70, 2], Operations: ['45-35=10', '10-8=2'] Exploring Operation: 70*2=140, Resulting Numbers: [140] 140,60 unequal: No Solution Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,60 unequal: No Solution Exploring Operation: 70+2=72, Resulting Numbers: [72] 72,60 unequal: No Solution Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,60 unequal: No Solution Moving to Node #0,1,0 Current State: 60:[70, 18], Operations: ['45-35=10', '8+10=18'] Exploring Operation: 70+18=88, Resulting Numbers: [88] 88,60 unequal: No Solution Exploring Operation: 70*18=1260, Resulting Numbers: [1260] 1260,60 unequal: No Solution Exploring Operation: 70-18=52, Resulting Numbers: [52] 52,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 60:[8, 35, 25], Operations: ['70-45=25'] Exploring Operation: 35-25=10, Resulting Numbers: [8, 10] Generated Node #0,4,0: 60:[8, 10] Operation: 35-25=10 Exploring Operation: 35-8=27, Resulting Numbers: [25, 27] Generated Node #0,4,1: 60:[25, 27] Operation: 35-8=27 Exploring Operation: 25-8=17, Resulting Numbers: [35, 17] Generated Node #0,4,2: 60:[35, 17] Operation: 25-8=17 Exploring Operation: 35+25=60, Resulting Numbers: [8, 60] Generated Node #0,4,3: 60:[8, 60] Operation: 35+25=60 Exploring Operation: 8+25=33, Resulting Numbers: [35, 33] Generated Node #0,4,4: 60:[35, 33] Operation: 8+25=33 Moving to Node #0,4,0 Current State: 60:[8, 10], Operations: ['70-45=25', '35-25=10'] Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,60 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,60 unequal: No Solution Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,60 unequal: No Solution Moving to Node #0,4,3 Current State: 60:[8, 60], Operations: ['70-45=25', '35+25=60'] Exploring Operation: 8*60=480, Resulting Numbers: [480] 480,60 unequal: No Solution Exploring Operation: 60-8=52, Resulting Numbers: [52] 52,60 unequal: No Solution Exploring Operation: 8+60=68, Resulting Numbers: [68] 68,60 unequal: No Solution Moving to Node #0,4,2 Current State: 60:[35, 17], Operations: ['70-45=25', '25-8=17'] Exploring Operation: 35*17=595, Resulting Numbers: [595] 595,60 unequal: No Solution Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 35+17=52, Resulting Numbers: [52] 52,60 unequal: No Solution Moving to Node #0,4,1 Current State: 60:[25, 27], Operations: ['70-45=25', '35-8=27'] Exploring Operation: 25*27=675, Resulting Numbers: [675] 675,60 unequal: No Solution Exploring Operation: 25+27=52, Resulting Numbers: [52] 52,60 unequal: No Solution Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,60 unequal: No Solution Moving to Node #0,4,4 Current State: 60:[35, 33], Operations: ['70-45=25', '8+25=33'] Exploring Operation: 35*33=1155, Resulting Numbers: [1155] 1155,60 unequal: No Solution Exploring Operation: 35+33=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 35-33=2, Resulting Numbers: [2] 2,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 60:[8, 45, 2], Operations: ['70/35=2'] Exploring Operation: 8-2=6, Resulting Numbers: [45, 6] Generated Node #0,2,0: 60:[45, 6] Operation: 8-2=6 Exploring Operation: 8+45=53, Resulting Numbers: [2, 53] Generated Node #0,2,1: 60:[2, 53] Operation: 8+45=53 Exploring Operation: 45-8=37, Resulting Numbers: [2, 37] Generated Node #0,2,2: 60:[2, 37] Operation: 45-8=37 Exploring Operation: 8/2=4, Resulting Numbers: [45, 4] Generated Node #0,2,3: 60:[45, 4] Operation: 8/2=4 Exploring Operation: 8+2=10, Resulting Numbers: [45, 10] Generated Node #0,2,4: 60:[45, 10] Operation: 8+2=10 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 60:[2, 53], Operations: ['70/35=2', '8+45=53'] Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,60 unequal: No Solution Exploring Operation: 2*53=106, Resulting Numbers: [106] 106,60 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,60 unequal: No Solution No 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: 60:[2, 37], Operations: ['70/35=2', '45-8=37'] Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,60 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,60 unequal: No Solution Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,60 unequal: No Solution No 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: 60:[45, 6], Operations: ['70/35=2', '8-2=6'] Exploring Operation: 45*6=270, Resulting Numbers: [270] 270,60 unequal: No Solution Exploring Operation: 45+6=51, Resulting Numbers: [51] 51,60 unequal: No Solution Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,60 unequal: No Solution No 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: 60:[45, 4], Operations: ['70/35=2', '8/2=4'] Exploring Operation: 45*4=180, Resulting Numbers: [180] 180,60 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,60 unequal: No Solution Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 60:[45, 10], Operations: ['70/35=2', '8+2=10'] Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,60 unequal: No Solution Exploring Operation: 45*10=450, Resulting Numbers: [450] 450,60 unequal: No Solution Exploring Operation: 45+10=55, Resulting Numbers: [55] 55,60 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: 60:[35, 70, 53], Operations: ['8+45=53'] Exploring Operation: 70-35=35, Resulting Numbers: [53, 35] Generated Node #0,0,0: 60:[53, 35] Operation: 70-35=35 Exploring Operation: 53-35=18, Resulting Numbers: [70, 18] Generated Node #0,0,1: 60:[70, 18] Operation: 53-35=18 Exploring Operation: 35+53=88, Resulting Numbers: [70, 88] Generated Node #0,0,2: 60:[70, 88] Operation: 35+53=88 Exploring Operation: 70/35=2, Resulting Numbers: [53, 2] Generated Node #0,0,3: 60:[53, 2] Operation: 70/35=2 Exploring Operation: 70-53=17, Resulting Numbers: [35, 17] Generated Node #0,0,4: 60:[35, 17] Operation: 70-53=17 Moving to Node #0,0,3 Current State: 60:[53, 2], Operations: ['8+45=53', '70/35=2'] Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,60 unequal: No Solution Exploring Operation: 53+2=55, Resulting Numbers: [55] 55,60 unequal: No Solution Exploring Operation: 53*2=106, Resulting Numbers: [106] 106,60 unequal: No Solution Moving to Node #0,0,4 Current State: 60:[35, 17], Operations: ['8+45=53', '70-53=17'] Exploring Operation: 35*17=595, Resulting Numbers: [595] 595,60 unequal: No Solution Exploring Operation: 35+17=52, Resulting Numbers: [52] 52,60 unequal: No Solution Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[53, 35], Operations: ['8+45=53', '70-35=35'] Exploring Operation: 53*35=1855, Resulting Numbers: [1855] 1855,60 unequal: No Solution Exploring Operation: 53-35=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 53+35=88, Resulting Numbers: [88] 88,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[70, 18], Operations: ['8+45=53', '53-35=18'] Exploring Operation: 70*18=1260, Resulting Numbers: [1260] 1260,60 unequal: No Solution Exploring Operation: 70+18=88, Resulting Numbers: [88] 88,60 unequal: No Solution Exploring Operation: 70-18=52, Resulting Numbers: [52] 52,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[70, 88], Operations: ['8+45=53', '35+53=88'] Exploring Operation: 88-70=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 70+88=158, Resulting Numbers: [158] 158,60 unequal: No Solution Exploring Operation: 70*88=6160, Resulting Numbers: [6160] 6160,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 60:[35, 45, 62], Operations: ['70-8=62'] Exploring Operation: 62-45=17, Resulting Numbers: [35, 17] Generated Node #0,3,0: 60:[35, 17] Operation: 62-45=17 Exploring Operation: 45-35=10, Resulting Numbers: [62, 10] Generated Node #0,3,1: 60:[62, 10] Operation: 45-35=10 Exploring Operation: 35+45=80, Resulting Numbers: [62, 80] Generated Node #0,3,2: 60:[62, 80] Operation: 35+45=80 Exploring Operation: 35+62=97, Resulting Numbers: [45, 97] Generated Node #0,3,3: 60:[45, 97] Operation: 35+62=97 Exploring Operation: 62-35=27, Resulting Numbers: [45, 27] Generated Node #0,3,4: 60:[45, 27] Operation: 62-35=27 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 60:[62, 10], Operations: ['70-8=62', '45-35=10'] Exploring Operation: 62*10=620, Resulting Numbers: [620] 620,60 unequal: No Solution Exploring Operation: 62+10=72, Resulting Numbers: [72] 72,60 unequal: No Solution Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,60 unequal: No Solution No 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: 60:[35, 17], Operations: ['70-8=62', '62-45=17'] Exploring Operation: 35+17=52, Resulting Numbers: [52] 52,60 unequal: No Solution Exploring Operation: 35*17=595, Resulting Numbers: [595] 595,60 unequal: No Solution Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,60 unequal: No Solution No 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: 60:[45, 27], Operations: ['70-8=62', '62-35=27'] Exploring Operation: 45+27=72, Resulting Numbers: [72] 72,60 unequal: No Solution Exploring Operation: 45-27=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 45*27=1215, Resulting Numbers: [1215] 1215,60 unequal: No Solution No 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: 60:[62, 80], Operations: ['70-8=62', '35+45=80'] Exploring Operation: 80-62=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 62*80=4960, Resulting Numbers: [4960] 4960,60 unequal: No Solution Exploring Operation: 62+80=142, Resulting Numbers: [142] 142,60 unequal: No Solution No 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: 60:[45, 97], Operations: ['70-8=62', '35+62=97'] Exploring Operation: 45+97=142, Resulting Numbers: [142] 142,60 unequal: No Solution Exploring Operation: 97-45=52, Resulting Numbers: [52] 52,60 unequal: No Solution Exploring Operation: 45*97=4365, Resulting Numbers: [4365] 4365,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 10, 78, 58, 93 ]
63
[ "10+78=88", "58+93=151", "151-88=63" ]
Current State: 63:[10, 78, 58, 93], Operations: [] Exploring Operation: 10+78=88, Resulting Numbers: [58, 93, 88] Generated Node #2: [58, 93, 88] from Operation: 10+78=88 Current State: 63:[58, 93, 88], Operations: ['10+78=88'] Exploring Operation: 58+93=151, Resulting Numbers: [88, 151] Generated Node #3: [88, 151] from Operation: 58+93=151 Current State: 63:[88, 151], Operations: ['10+78=88', '58+93=151'] Exploring Operation: 151-88=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[10, 78, 58, 93], Operations: [] Exploring Operation: 93-78=15, Resulting Numbers: [10, 58, 15] Generated Node #0,0: 63:[10, 58, 15] Operation: 93-78=15 Moving to Node #0,0 Current State: 63:[10, 58, 15], Operations: ['93-78=15'] Exploring Operation: 15-10=5, Resulting Numbers: [58, 5] Generated Node #0,0,0: 63:[58, 5] Operation: 15-10=5 Moving to Node #0,0,0 Current State: 63:[58, 5], Operations: ['93-78=15', '15-10=5'] Exploring Operation: 58+5=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[10, 78, 58, 93], Operations: [] Exploring Operation: 93-78=15, Resulting Numbers: [10, 58, 15] Generated Node #0,0: 63:[10, 58, 15] Operation: 93-78=15 Moving to Node #0,0 Current State: 63:[10, 58, 15], Operations: ['93-78=15'] Exploring Operation: 15-10=5, Resulting Numbers: [58, 5] Generated Node #0,0,0: 63:[58, 5] Operation: 15-10=5 Moving to Node #0,0,0 Current State: 63:[58, 5], Operations: ['93-78=15', '15-10=5'] Exploring Operation: 58+5=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
0.993924
hs_1
mult_heuristic