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
[ 4, 16, 41, 10 ]
15
[ "4*10=40", "41-16=25", "40-25=15" ]
Current State: 15:[4, 16, 41, 10], Operations: [] Exploring Operation: 4*10=40, Resulting Numbers: [16, 41, 40] Generated Node #2: [16, 41, 40] from Operation: 4*10=40 Current State: 15:[16, 41, 40], Operations: ['4*10=40'] Exploring Operation: 41-16=25, Resulting Numbers: [40, 25] Generated Node #3: [40, 25] from Operation: 41-16=25 Current State: 15:[40, 25], Operations: ['4*10=40', '41-16=25'] Exploring Operation: 40-25=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[4, 16, 41, 10], Operations: [] Exploring Operation: 41-16=25, Resulting Numbers: [4, 10, 25] Generated Node #0,0: 15:[4, 10, 25] Operation: 41-16=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[4, 10, 25], Operations: ['41-16=25'] Exploring Operation: 25-10=15, Resulting Numbers: [4, 15] Generated Node #0,0,0: 15:[4, 15] Operation: 25-10=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 15:[4, 15], Operations: ['41-16=25', '25-10=15'] Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,15 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
[ 80, 85, 48, 14 ]
39
[ "85-80=5", "48-14=34", "5+34=39" ]
Current State: 39:[80, 85, 48, 14], Operations: [] Exploring Operation: 85-80=5, Resulting Numbers: [48, 14, 5] Generated Node #2: [48, 14, 5] from Operation: 85-80=5 Current State: 39:[48, 14, 5], Operations: ['85-80=5'] Exploring Operation: 48-14=34, Resulting Numbers: [5, 34] Generated Node #3: [5, 34] from Operation: 48-14=34 Current State: 39:[5, 34], Operations: ['85-80=5', '48-14=34'] Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[80, 85, 48, 14], Operations: [] Exploring Operation: 85-48=37, Resulting Numbers: [80, 14, 37] Generated Node #0,0: 39:[80, 14, 37] Operation: 85-48=37 Exploring Operation: 80-48=32, Resulting Numbers: [85, 14, 32] Generated Node #0,1: 39:[85, 14, 32] Operation: 80-48=32 Exploring Operation: 85-80=5, Resulting Numbers: [48, 14, 5] Generated Node #0,2: 39:[48, 14, 5] Operation: 85-80=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[48, 14, 5], Operations: ['85-80=5'] Exploring Operation: 48-5=43, Resulting Numbers: [14, 43] Generated Node #0,2,0: 39:[14, 43] Operation: 48-5=43 Exploring Operation: 14-5=9, Resulting Numbers: [48, 9] Generated Node #0,2,1: 39:[48, 9] Operation: 14-5=9 Exploring Operation: 48-14=34, Resulting Numbers: [5, 34] Generated Node #0,2,2: 39:[5, 34] Operation: 48-14=34 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 39:[14, 43], Operations: ['85-80=5', '48-5=43'] Exploring Operation: 43-14=29, Resulting Numbers: [29] 29,39 unequal: No Solution Exploring Operation: 14+43=57, Resulting Numbers: [57] 57,39 unequal: No Solution Exploring Operation: 14*43=602, Resulting Numbers: [602] 602,39 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 #0,2,2 Current State: 39:[5, 34], Operations: ['85-80=5', '48-14=34'] Exploring Operation: 5*34=170, Resulting Numbers: [170] 170,39 unequal: No Solution Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[80, 85, 48, 14], Operations: [] Exploring Operation: 85-80=5, Resulting Numbers: [48, 14, 5] Generated Node #0,2: 39:[48, 14, 5] Operation: 85-80=5 Moving to Node #0,2 Current State: 39:[48, 14, 5], Operations: ['85-80=5'] Exploring Operation: 48-14=34, Resulting Numbers: [5, 34] Generated Node #0,2,2: 39:[5, 34] Operation: 48-14=34 Moving to Node #0,2,2 Current State: 39:[5, 34], Operations: ['85-80=5', '48-14=34'] Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 71, 6, 93, 77 ]
81
[ "71-6=65", "93-77=16", "65+16=81" ]
Current State: 81:[71, 6, 93, 77], Operations: [] Exploring Operation: 71-6=65, Resulting Numbers: [93, 77, 65] Generated Node #2: [93, 77, 65] from Operation: 71-6=65 Current State: 81:[93, 77, 65], Operations: ['71-6=65'] Exploring Operation: 93-77=16, Resulting Numbers: [65, 16] Generated Node #3: [65, 16] from Operation: 93-77=16 Current State: 81:[65, 16], Operations: ['71-6=65', '93-77=16'] Exploring Operation: 65+16=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[71, 6, 93, 77], Operations: [] Exploring Operation: 93-71=22, Resulting Numbers: [6, 77, 22] Generated Node #0,0: 81:[6, 77, 22] Operation: 93-71=22 Exploring Operation: 77-71=6, Resulting Numbers: [6, 93, 6] Generated Node #0,1: 81:[6, 93, 6] Operation: 77-71=6 Exploring Operation: 71+6=77, Resulting Numbers: [93, 77, 77] Generated Node #0,2: 81:[93, 77, 77] Operation: 71+6=77 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[6, 77, 22], Operations: ['93-71=22'] Exploring Operation: 22-6=16, Resulting Numbers: [77, 16] Generated Node #0,0,0: 81:[77, 16] Operation: 22-6=16 Exploring Operation: 6+22=28, Resulting Numbers: [77, 28] Generated Node #0,0,1: 81:[77, 28] Operation: 6+22=28 Exploring Operation: 6+77=83, Resulting Numbers: [22, 83] Generated Node #0,0,2: 81:[22, 83] Operation: 6+77=83 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 81:[77, 28], Operations: ['93-71=22', '6+22=28'] Exploring Operation: 77+28=105, Resulting Numbers: [105] 105,81 unequal: No Solution Exploring Operation: 77-28=49, Resulting Numbers: [49] 49,81 unequal: No Solution Exploring Operation: 77*28=2156, Resulting Numbers: [2156] 2156,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 81:[22, 83], Operations: ['93-71=22', '6+77=83'] Exploring Operation: 22+83=105, Resulting Numbers: [105] 105,81 unequal: No Solution Exploring Operation: 22*83=1826, Resulting Numbers: [1826] 1826,81 unequal: No Solution Exploring Operation: 83-22=61, Resulting Numbers: [61] 61,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[77, 16], Operations: ['93-71=22', '22-6=16'] Exploring Operation: 77-16=61, Resulting Numbers: [61] 61,81 unequal: No Solution Exploring Operation: 77+16=93, Resulting Numbers: [93] 93,81 unequal: No Solution Exploring Operation: 77*16=1232, Resulting Numbers: [1232] 1232,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[6, 93, 6], Operations: ['77-71=6'] Exploring Operation: 93-6=87, Resulting Numbers: [6, 87] Generated Node #0,1,0: 81:[6, 87] Operation: 93-6=87 Exploring Operation: 93-6=87, Resulting Numbers: [6, 87] Generated Node #0,1,1: 81:[6, 87] Operation: 93-6=87 Exploring Operation: 6/6=1, Resulting Numbers: [93, 1] Generated Node #0,1,2: 81:[93, 1] Operation: 6/6=1 Moving to Node #0,1,0 Current State: 81:[6, 87], Operations: ['77-71=6', '93-6=87'] Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[71, 6, 93, 77], Operations: [] Exploring Operation: 77-71=6, Resulting Numbers: [6, 93, 6] Generated Node #0,1: 81:[6, 93, 6] Operation: 77-71=6 Moving to Node #0,1 Current State: 81:[6, 93, 6], Operations: ['77-71=6'] Exploring Operation: 93-6=87, Resulting Numbers: [6, 87] Generated Node #0,1,0: 81:[6, 87] Operation: 93-6=87 Moving to Node #0,1,0 Current State: 81:[6, 87], Operations: ['77-71=6', '93-6=87'] Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 2, 84, 39, 43 ]
92
[ "43-39=4", "2*4=8", "84+8=92" ]
Current State: 92:[2, 84, 39, 43], Operations: [] Exploring Operation: 43-39=4, Resulting Numbers: [2, 84, 4] Generated Node #2: [2, 84, 4] from Operation: 43-39=4 Current State: 92:[2, 84, 4], Operations: ['43-39=4'] Exploring Operation: 2*4=8, Resulting Numbers: [84, 8] Generated Node #3: [84, 8] from Operation: 2*4=8 Current State: 92:[84, 8], Operations: ['43-39=4', '2*4=8'] Exploring Operation: 84+8=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[2, 84, 39, 43], Operations: [] Exploring Operation: 43-39=4, Resulting Numbers: [2, 84, 4] Generated Node #0,0: 92:[2, 84, 4] Operation: 43-39=4 Exploring Operation: 84-39=45, Resulting Numbers: [2, 43, 45] Generated Node #0,1: 92:[2, 43, 45] Operation: 84-39=45 Moving to Node #0,1 Current State: 92:[2, 43, 45], Operations: ['84-39=45'] Exploring Operation: 45-43=2, Resulting Numbers: [2, 2] Generated Node #0,1,0: 92:[2, 2] Operation: 45-43=2 Exploring Operation: 2+43=45, Resulting Numbers: [45, 45] Generated Node #0,1,1: 92:[45, 45] Operation: 2+43=45 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 92:[2, 2], Operations: ['84-39=45', '45-43=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,92 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,92 unequal: No Solution No 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: 92:[45, 45], Operations: ['84-39=45', '2+43=45'] Exploring Operation: 45/45=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 45+45=90, Resulting Numbers: [90] 90,92 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: 92:[2, 84, 4], Operations: ['43-39=4'] Exploring Operation: 84/4=21, Resulting Numbers: [2, 21] Generated Node #0,0,0: 92:[2, 21] Operation: 84/4=21 Exploring Operation: 84/2=42, Resulting Numbers: [4, 42] Generated Node #0,0,1: 92:[4, 42] Operation: 84/2=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[2, 21], Operations: ['43-39=4', '84/4=21'] Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,92 unequal: No Solution Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,92 unequal: No Solution No 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: 92:[4, 42], Operations: ['43-39=4', '84/2=42'] Exploring Operation: 4+42=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,92 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
[ 51, 55, 58, 84 ]
53
[ "84-55=29", "58/29=2", "51+2=53" ]
Current State: 53:[51, 55, 58, 84], Operations: [] Exploring Operation: 84-55=29, Resulting Numbers: [51, 58, 29] Generated Node #2: [51, 58, 29] from Operation: 84-55=29 Current State: 53:[51, 58, 29], Operations: ['84-55=29'] Exploring Operation: 58/29=2, Resulting Numbers: [51, 2] Generated Node #3: [51, 2] from Operation: 58/29=2 Current State: 53:[51, 2], Operations: ['84-55=29', '58/29=2'] Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[51, 55, 58, 84], Operations: [] Exploring Operation: 84-55=29, Resulting Numbers: [51, 58, 29] Generated Node #0,0: 53:[51, 58, 29] Operation: 84-55=29 Exploring Operation: 84-58=26, Resulting Numbers: [51, 55, 26] Generated Node #0,1: 53:[51, 55, 26] Operation: 84-58=26 Exploring Operation: 58-51=7, Resulting Numbers: [55, 84, 7] Generated Node #0,2: 53:[55, 84, 7] Operation: 58-51=7 Exploring Operation: 84-51=33, Resulting Numbers: [55, 58, 33] Generated Node #0,3: 53:[55, 58, 33] Operation: 84-51=33 Exploring Operation: 58-55=3, Resulting Numbers: [51, 84, 3] Generated Node #0,4: 53:[51, 84, 3] Operation: 58-55=3 Start Sub Search at level 1: Moving to Node #0,3 Current State: 53:[55, 58, 33], Operations: ['84-51=33'] Exploring Operation: 55-33=22, Resulting Numbers: [58, 22] Generated Node #0,3,0: 53:[58, 22] Operation: 55-33=22 Exploring Operation: 58+33=91, Resulting Numbers: [55, 91] Generated Node #0,3,1: 53:[55, 91] Operation: 58+33=91 Exploring Operation: 58-33=25, Resulting Numbers: [55, 25] Generated Node #0,3,2: 53:[55, 25] Operation: 58-33=25 Exploring Operation: 55+33=88, Resulting Numbers: [58, 88] Generated Node #0,3,3: 53:[58, 88] Operation: 55+33=88 Exploring Operation: 58-55=3, Resulting Numbers: [33, 3] Generated Node #0,3,4: 53:[33, 3] Operation: 58-55=3 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 53:[55, 25], Operations: ['84-51=33', '58-33=25'] Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,53 unequal: No Solution Exploring Operation: 55+25=80, Resulting Numbers: [80] 80,53 unequal: No Solution Exploring Operation: 55*25=1375, Resulting Numbers: [1375] 1375,53 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 #0,3,0 Current State: 53:[58, 22], Operations: ['84-51=33', '55-33=22'] Exploring Operation: 58+22=80, Resulting Numbers: [80] 80,53 unequal: No Solution Exploring Operation: 58*22=1276, Resulting Numbers: [1276] 1276,53 unequal: No Solution Exploring Operation: 58-22=36, Resulting Numbers: [36] 36,53 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 #0,3,1 Current State: 53:[55, 91], Operations: ['84-51=33', '58+33=91'] Exploring Operation: 91-55=36, Resulting Numbers: [36] 36,53 unequal: No Solution Exploring Operation: 55+91=146, Resulting Numbers: [146] 146,53 unequal: No Solution Exploring Operation: 55*91=5005, Resulting Numbers: [5005] 5005,53 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 #0,3,3 Current State: 53:[58, 88], Operations: ['84-51=33', '55+33=88'] Exploring Operation: 88-58=30, Resulting Numbers: [30] 30,53 unequal: No Solution Exploring Operation: 58*88=5104, Resulting Numbers: [5104] 5104,53 unequal: No Solution Exploring Operation: 58+88=146, Resulting Numbers: [146] 146,53 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 #0,3,4 Current State: 53:[33, 3], Operations: ['84-51=33', '58-55=3'] Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,53 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,53 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,53 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:[51, 58, 29], Operations: ['84-55=29'] Exploring Operation: 58+29=87, Resulting Numbers: [51, 87] Generated Node #0,0,0: 53:[51, 87] Operation: 58+29=87 Exploring Operation: 51-29=22, Resulting Numbers: [58, 22] Generated Node #0,0,1: 53:[58, 22] Operation: 51-29=22 Exploring Operation: 58/29=2, Resulting Numbers: [51, 2] Generated Node #0,0,2: 53:[51, 2] Operation: 58/29=2 Exploring Operation: 58-29=29, Resulting Numbers: [51, 29] Generated Node #0,0,3: 53:[51, 29] Operation: 58-29=29 Exploring Operation: 51+29=80, Resulting Numbers: [58, 80] Generated Node #0,0,4: 53:[58, 80] Operation: 51+29=80 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 53:[51, 29], Operations: ['84-55=29', '58-29=29'] Exploring Operation: 51+29=80, Resulting Numbers: [80] 80,53 unequal: No Solution Exploring Operation: 51*29=1479, Resulting Numbers: [1479] 1479,53 unequal: No Solution Exploring Operation: 51-29=22, Resulting Numbers: [22] 22,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 53:[58, 80], Operations: ['84-55=29', '51+29=80'] Exploring Operation: 58*80=4640, Resulting Numbers: [4640] 4640,53 unequal: No Solution Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,53 unequal: No Solution Exploring Operation: 58+80=138, Resulting Numbers: [138] 138,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[51, 87], Operations: ['84-55=29', '58+29=87'] Exploring Operation: 51*87=4437, Resulting Numbers: [4437] 4437,53 unequal: No Solution Exploring Operation: 87-51=36, Resulting Numbers: [36] 36,53 unequal: No Solution Exploring Operation: 51+87=138, Resulting Numbers: [138] 138,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[58, 22], Operations: ['84-55=29', '51-29=22'] Exploring Operation: 58-22=36, Resulting Numbers: [36] 36,53 unequal: No Solution Exploring Operation: 58*22=1276, Resulting Numbers: [1276] 1276,53 unequal: No Solution Exploring Operation: 58+22=80, Resulting Numbers: [80] 80,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 53:[51, 2], Operations: ['84-55=29', '58/29=2'] Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[51, 55, 58, 84], Operations: [] Exploring Operation: 84-55=29, Resulting Numbers: [51, 58, 29] Generated Node #0,0: 53:[51, 58, 29] Operation: 84-55=29 Moving to Node #0,0 Current State: 53:[51, 58, 29], Operations: ['84-55=29'] Exploring Operation: 58/29=2, Resulting Numbers: [51, 2] Generated Node #0,0,2: 53:[51, 2] Operation: 58/29=2 Moving to Node #0,0,2 Current State: 53:[51, 2], Operations: ['84-55=29', '58/29=2'] Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.958333
hs_5
mult_heuristic
[ 33, 30, 57, 33 ]
88
[ "33/33=1", "30+57=87", "1+87=88" ]
Current State: 88:[33, 30, 57, 33], Operations: [] Exploring Operation: 33/33=1, Resulting Numbers: [30, 57, 1] Generated Node #2: [30, 57, 1] from Operation: 33/33=1 Current State: 88:[30, 57, 1], Operations: ['33/33=1'] Exploring Operation: 30+57=87, Resulting Numbers: [1, 87] Generated Node #3: [1, 87] from Operation: 30+57=87 Current State: 88:[1, 87], Operations: ['33/33=1', '30+57=87'] Exploring Operation: 1+87=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[33, 30, 57, 33], Operations: [] Exploring Operation: 33+57=90, Resulting Numbers: [30, 33, 90] Generated Node #0,0: 88:[30, 33, 90] Operation: 33+57=90 Exploring Operation: 57+33=90, Resulting Numbers: [33, 30, 90] Generated Node #0,1: 88:[33, 30, 90] Operation: 57+33=90 Exploring Operation: 57-33=24, Resulting Numbers: [30, 33, 24] Generated Node #0,2: 88:[30, 33, 24] Operation: 57-33=24 Moving to Node #0,0 Current State: 88:[30, 33, 90], Operations: ['33+57=90'] Exploring Operation: 90/30=3, Resulting Numbers: [33, 3] Generated Node #0,0,0: 88:[33, 3] Operation: 90/30=3 Exploring Operation: 33-30=3, Resulting Numbers: [90, 3] Generated Node #0,0,1: 88:[90, 3] Operation: 33-30=3 Exploring Operation: 30+33=63, Resulting Numbers: [90, 63] Generated Node #0,0,2: 88:[90, 63] Operation: 30+33=63 Moving to Node #0,1 Current State: 88:[33, 30, 90], Operations: ['57+33=90'] Exploring Operation: 33-30=3, Resulting Numbers: [90, 3] Generated Node #0,1,0: 88:[90, 3] Operation: 33-30=3 Exploring Operation: 33+30=63, Resulting Numbers: [90, 63] Generated Node #0,1,1: 88:[90, 63] Operation: 33+30=63 Exploring Operation: 90/30=3, Resulting Numbers: [33, 3] Generated Node #0,1,2: 88:[33, 3] Operation: 90/30=3 Moving to Node #0,2 Current State: 88:[30, 33, 24], Operations: ['57-33=24'] Exploring Operation: 33-24=9, Resulting Numbers: [30, 9] Generated Node #0,2,0: 88:[30, 9] Operation: 33-24=9 Exploring Operation: 30-24=6, Resulting Numbers: [33, 6] Generated Node #0,2,1: 88:[33, 6] Operation: 30-24=6 Exploring Operation: 33-30=3, Resulting Numbers: [24, 3] Generated Node #0,2,2: 88:[24, 3] Operation: 33-30=3 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 88:[24, 3], Operations: ['57-33=24', '33-30=3'] Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,88 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,88 unequal: No Solution Exploring Operation: 24+3=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 #0,2,0 Current State: 88:[30, 9], Operations: ['57-33=24', '33-24=9'] Exploring Operation: 30*9=270, Resulting Numbers: [270] 270,88 unequal: No Solution Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,88 unequal: No Solution Exploring Operation: 30+9=39, Resulting Numbers: [39] 39,88 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 #0,2,1 Current State: 88:[33, 6], Operations: ['57-33=24', '30-24=6'] Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,88 unequal: No Solution Exploring Operation: 33+6=39, Resulting Numbers: [39] 39,88 unequal: No Solution Exploring Operation: 33*6=198, Resulting Numbers: [198] 198,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 88:[90, 3], Operations: ['33+57=90', '33-30=3'] Exploring Operation: 90/3=30, Resulting Numbers: [30] 30,88 unequal: No Solution Exploring Operation: 90+3=93, Resulting Numbers: [93] 93,88 unequal: No Solution Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[90, 3], Operations: ['57+33=90', '33-30=3'] Exploring Operation: 90+3=93, Resulting Numbers: [93] 93,88 unequal: No Solution Exploring Operation: 90/3=30, Resulting Numbers: [30] 30,88 unequal: No Solution Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,88 unequal: No Solution Moving to Node #0,1,2 Current State: 88:[33, 3], Operations: ['57+33=90', '90/30=3'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,88 unequal: No Solution Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[33, 3], Operations: ['33+57=90', '90/30=3'] Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,88 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,88 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[90, 63], Operations: ['57+33=90', '33+30=63'] Exploring Operation: 90*63=5670, Resulting Numbers: [5670] 5670,88 unequal: No Solution Exploring Operation: 90+63=153, Resulting Numbers: [153] 153,88 unequal: No Solution Exploring Operation: 90-63=27, Resulting Numbers: [27] 27,88 unequal: No Solution Moving to Node #0,0,2 Current State: 88:[90, 63], Operations: ['33+57=90', '30+33=63'] Exploring Operation: 90*63=5670, Resulting Numbers: [5670] 5670,88 unequal: No Solution Exploring Operation: 90+63=153, Resulting Numbers: [153] 153,88 unequal: No Solution Exploring Operation: 90-63=27, Resulting Numbers: [27] 27,88 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 41, 5, 48, 3 ]
70
[ "41*3=123", "5+48=53", "123-53=70" ]
Current State: 70:[41, 5, 48, 3], Operations: [] Exploring Operation: 41*3=123, Resulting Numbers: [5, 48, 123] Generated Node #2: [5, 48, 123] from Operation: 41*3=123 Current State: 70:[5, 48, 123], Operations: ['41*3=123'] Exploring Operation: 5+48=53, Resulting Numbers: [123, 53] Generated Node #3: [123, 53] from Operation: 5+48=53 Current State: 70:[123, 53], Operations: ['41*3=123', '5+48=53'] Exploring Operation: 123-53=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[41, 5, 48, 3], Operations: [] Exploring Operation: 48-41=7, Resulting Numbers: [5, 3, 7] Generated Node #0,0: 70:[5, 3, 7] Operation: 48-41=7 Exploring Operation: 48/3=16, Resulting Numbers: [41, 5, 16] Generated Node #0,1: 70:[41, 5, 16] Operation: 48/3=16 Moving to Node #0,0 Current State: 70:[5, 3, 7], Operations: ['48-41=7'] Exploring Operation: 3+7=10, Resulting Numbers: [5, 10] Generated Node #0,0,0: 70:[5, 10] Operation: 3+7=10 Exploring Operation: 5-3=2, Resulting Numbers: [7, 2] Generated Node #0,0,1: 70:[7, 2] Operation: 5-3=2 Moving to Node #0,1 Current State: 70:[41, 5, 16], Operations: ['48/3=16'] Exploring Operation: 41-5=36, Resulting Numbers: [16, 36] Generated Node #0,1,0: 70:[16, 36] Operation: 41-5=36 Exploring Operation: 16-5=11, Resulting Numbers: [41, 11] Generated Node #0,1,1: 70:[41, 11] Operation: 16-5=11 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 70:[16, 36], Operations: ['48/3=16', '41-5=36'] Exploring Operation: 16+36=52, Resulting Numbers: [52] 52,70 unequal: No Solution Exploring Operation: 36-16=20, Resulting Numbers: [20] 20,70 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:[41, 11], Operations: ['48/3=16', '16-5=11'] Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 41+11=52, Resulting Numbers: [52] 52,70 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: 70:[5, 10], Operations: ['48-41=7', '3+7=10'] Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[7, 2], Operations: ['48-41=7', '5-3=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,70 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,70 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 59, 12, 3, 8 ]
87
[ "59-8=51", "12*3=36", "51+36=87" ]
Current State: 87:[59, 12, 3, 8], Operations: [] Exploring Operation: 59-8=51, Resulting Numbers: [12, 3, 51] Generated Node #2: [12, 3, 51] from Operation: 59-8=51 Current State: 87:[12, 3, 51], Operations: ['59-8=51'] Exploring Operation: 12*3=36, Resulting Numbers: [51, 36] Generated Node #3: [51, 36] from Operation: 12*3=36 Current State: 87:[51, 36], Operations: ['59-8=51', '12*3=36'] Exploring Operation: 51+36=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[59, 12, 3, 8], Operations: [] Exploring Operation: 59+12=71, Resulting Numbers: [3, 8, 71] Generated Node #0,0: 87:[3, 8, 71] Operation: 59+12=71 Exploring Operation: 12-8=4, Resulting Numbers: [59, 3, 4] Generated Node #0,1: 87:[59, 3, 4] Operation: 12-8=4 Exploring Operation: 59-12=47, Resulting Numbers: [3, 8, 47] Generated Node #0,2: 87:[3, 8, 47] Operation: 59-12=47 Exploring Operation: 59+8=67, Resulting Numbers: [12, 3, 67] Generated Node #0,3: 87:[12, 3, 67] Operation: 59+8=67 Moving to Node #0,0 Current State: 87:[3, 8, 71], Operations: ['59+12=71'] Exploring Operation: 8-3=5, Resulting Numbers: [71, 5] Generated Node #0,0,0: 87:[71, 5] Operation: 8-3=5 Exploring Operation: 3*8=24, Resulting Numbers: [71, 24] Generated Node #0,0,1: 87:[71, 24] Operation: 3*8=24 Exploring Operation: 8+71=79, Resulting Numbers: [3, 79] Generated Node #0,0,2: 87:[3, 79] Operation: 8+71=79 Exploring Operation: 3+71=74, Resulting Numbers: [8, 74] Generated Node #0,0,3: 87:[8, 74] Operation: 3+71=74 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 87:[3, 79], Operations: ['59+12=71', '8+71=79'] Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,87 unequal: No Solution Exploring Operation: 3*79=237, Resulting Numbers: [237] 237,87 unequal: No Solution Exploring Operation: 3+79=82, Resulting Numbers: [82] 82,87 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:[71, 5], Operations: ['59+12=71', '8-3=5'] Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,87 unequal: No Solution Exploring Operation: 71*5=355, Resulting Numbers: [355] 355,87 unequal: No Solution Exploring Operation: 71+5=76, Resulting Numbers: [76] 76,87 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 #0,0,3 Current State: 87:[8, 74], Operations: ['59+12=71', '3+71=74'] Exploring Operation: 74-8=66, Resulting Numbers: [66] 66,87 unequal: No Solution Exploring Operation: 8*74=592, Resulting Numbers: [592] 592,87 unequal: No Solution Exploring Operation: 8+74=82, Resulting Numbers: [82] 82,87 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 #0,0,1 Current State: 87:[71, 24], Operations: ['59+12=71', '3*8=24'] Exploring Operation: 71+24=95, Resulting Numbers: [95] 95,87 unequal: No Solution Exploring Operation: 71-24=47, Resulting Numbers: [47] 47,87 unequal: No Solution Exploring Operation: 71*24=1704, Resulting Numbers: [1704] 1704,87 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: 87:[3, 8, 47], Operations: ['59-12=47'] Exploring Operation: 47-8=39, Resulting Numbers: [3, 39] Generated Node #0,2,0: 87:[3, 39] Operation: 47-8=39 Exploring Operation: 8-3=5, Resulting Numbers: [47, 5] Generated Node #0,2,1: 87:[47, 5] Operation: 8-3=5 Exploring Operation: 3*8=24, Resulting Numbers: [47, 24] Generated Node #0,2,2: 87:[47, 24] Operation: 3*8=24 Exploring Operation: 47-3=44, Resulting Numbers: [8, 44] Generated Node #0,2,3: 87:[8, 44] Operation: 47-3=44 Moving to Node #0,3 Current State: 87:[12, 3, 67], Operations: ['59+8=67'] Exploring Operation: 12-3=9, Resulting Numbers: [67, 9] Generated Node #0,3,0: 87:[67, 9] Operation: 12-3=9 Exploring Operation: 12+67=79, Resulting Numbers: [3, 79] Generated Node #0,3,1: 87:[3, 79] Operation: 12+67=79 Exploring Operation: 67-12=55, Resulting Numbers: [3, 55] Generated Node #0,3,2: 87:[3, 55] Operation: 67-12=55 Exploring Operation: 12/3=4, Resulting Numbers: [67, 4] Generated Node #0,3,3: 87:[67, 4] Operation: 12/3=4 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 87:[3, 79], Operations: ['59+8=67', '12+67=79'] Exploring Operation: 3+79=82, Resulting Numbers: [82] 82,87 unequal: No Solution Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,87 unequal: No Solution Exploring Operation: 3*79=237, Resulting Numbers: [237] 237,87 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 #0,3,3 Current State: 87:[67, 4], Operations: ['59+8=67', '12/3=4'] Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,87 unequal: No Solution Exploring Operation: 67*4=268, Resulting Numbers: [268] 268,87 unequal: No Solution Exploring Operation: 67+4=71, Resulting Numbers: [71] 71,87 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 #0,3,0 Current State: 87:[67, 9], Operations: ['59+8=67', '12-3=9'] Exploring Operation: 67*9=603, Resulting Numbers: [603] 603,87 unequal: No Solution Exploring Operation: 67+9=76, Resulting Numbers: [76] 76,87 unequal: No Solution Exploring Operation: 67-9=58, Resulting Numbers: [58] 58,87 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 #0,3,2 Current State: 87:[3, 55], Operations: ['59+8=67', '67-12=55'] Exploring Operation: 3+55=58, Resulting Numbers: [58] 58,87 unequal: No Solution Exploring Operation: 3*55=165, Resulting Numbers: [165] 165,87 unequal: No Solution Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 87:[59, 3, 4], Operations: ['12-8=4'] Exploring Operation: 59+3=62, Resulting Numbers: [4, 62] Generated Node #0,1,0: 87:[4, 62] Operation: 59+3=62 Exploring Operation: 59-4=55, Resulting Numbers: [3, 55] Generated Node #0,1,1: 87:[3, 55] Operation: 59-4=55 Exploring Operation: 59+4=63, Resulting Numbers: [3, 63] Generated Node #0,1,2: 87:[3, 63] Operation: 59+4=63 Exploring Operation: 59-3=56, Resulting Numbers: [4, 56] Generated Node #0,1,3: 87:[4, 56] Operation: 59-3=56 Moving to Node #0,2,0 Current State: 87:[3, 39], Operations: ['59-12=47', '47-8=39'] Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,87 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,87 unequal: No Solution Exploring Operation: 3*39=117, Resulting Numbers: [117] 117,87 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,87 unequal: No Solution Moving to Node #0,2,3 Current State: 87:[8, 44], Operations: ['59-12=47', '47-3=44'] Exploring Operation: 8+44=52, Resulting Numbers: [52] 52,87 unequal: No Solution Exploring Operation: 8*44=352, Resulting Numbers: [352] 352,87 unequal: No Solution Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,87 unequal: No Solution Moving to Node #0,2,1 Current State: 87:[47, 5], Operations: ['59-12=47', '8-3=5'] Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,87 unequal: No Solution Exploring Operation: 47*5=235, Resulting Numbers: [235] 235,87 unequal: No Solution Exploring Operation: 47+5=52, Resulting Numbers: [52] 52,87 unequal: No Solution Moving to Node #0,2,2 Current State: 87:[47, 24], Operations: ['59-12=47', '3*8=24'] Exploring Operation: 47-24=23, Resulting Numbers: [23] 23,87 unequal: No Solution Exploring Operation: 47*24=1128, Resulting Numbers: [1128] 1128,87 unequal: No Solution Exploring Operation: 47+24=71, Resulting Numbers: [71] 71,87 unequal: No Solution Moving to Node #0,1,2 Current State: 87:[3, 63], Operations: ['12-8=4', '59+4=63'] Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,87 unequal: No Solution Exploring Operation: 3+63=66, Resulting Numbers: [66] 66,87 unequal: No Solution Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,87 unequal: No Solution Exploring Operation: 3*63=189, Resulting Numbers: [189] 189,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[3, 55], Operations: ['12-8=4', '59-4=55'] Exploring Operation: 3+55=58, Resulting Numbers: [58] 58,87 unequal: No Solution Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,87 unequal: No Solution Exploring Operation: 3*55=165, Resulting Numbers: [165] 165,87 unequal: No Solution Moving to Node #0,1,0 Current State: 87:[4, 62], Operations: ['12-8=4', '59+3=62'] Exploring Operation: 4*62=248, Resulting Numbers: [248] 248,87 unequal: No Solution Exploring Operation: 4+62=66, Resulting Numbers: [66] 66,87 unequal: No Solution Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,87 unequal: No Solution Moving to Node #0,1,3 Current State: 87:[4, 56], Operations: ['12-8=4', '59-3=56'] Exploring Operation: 4*56=224, Resulting Numbers: [224] 224,87 unequal: No Solution Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,87 unequal: No Solution Exploring Operation: 4+56=60, Resulting Numbers: [60] 60,87 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 21, 97, 44, 41 ]
79
[ "97-21=76", "44-41=3", "76+3=79" ]
Current State: 79:[21, 97, 44, 41], Operations: [] Exploring Operation: 97-21=76, Resulting Numbers: [44, 41, 76] Generated Node #2: [44, 41, 76] from Operation: 97-21=76 Current State: 79:[44, 41, 76], Operations: ['97-21=76'] Exploring Operation: 44-41=3, Resulting Numbers: [76, 3] Generated Node #3: [76, 3] from Operation: 44-41=3 Current State: 79:[76, 3], Operations: ['97-21=76', '44-41=3'] Exploring Operation: 76+3=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[21, 97, 44, 41], Operations: [] Exploring Operation: 21+41=62, Resulting Numbers: [97, 44, 62] Generated Node #0,0: 79:[97, 44, 62] Operation: 21+41=62 Exploring Operation: 21+44=65, Resulting Numbers: [97, 41, 65] Generated Node #0,1: 79:[97, 41, 65] Operation: 21+44=65 Exploring Operation: 97-21=76, Resulting Numbers: [44, 41, 76] Generated Node #0,2: 79:[44, 41, 76] Operation: 97-21=76 Exploring Operation: 44+41=85, Resulting Numbers: [21, 97, 85] Generated Node #0,3: 79:[21, 97, 85] Operation: 44+41=85 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[97, 44, 62], Operations: ['21+41=62'] Exploring Operation: 44+62=106, Resulting Numbers: [97, 106] Generated Node #0,0,0: 79:[97, 106] Operation: 44+62=106 Exploring Operation: 97-44=53, Resulting Numbers: [62, 53] Generated Node #0,0,1: 79:[62, 53] Operation: 97-44=53 Exploring Operation: 97+44=141, Resulting Numbers: [62, 141] Generated Node #0,0,2: 79:[62, 141] Operation: 97+44=141 Exploring Operation: 97-62=35, Resulting Numbers: [44, 35] Generated Node #0,0,3: 79:[44, 35] Operation: 97-62=35 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 79:[62, 53], Operations: ['21+41=62', '97-44=53'] Exploring Operation: 62+53=115, Resulting Numbers: [115] 115,79 unequal: No Solution Exploring Operation: 62*53=3286, Resulting Numbers: [3286] 3286,79 unequal: No Solution Exploring Operation: 62-53=9, Resulting Numbers: [9] 9,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[97, 106], Operations: ['21+41=62', '44+62=106'] Exploring Operation: 97+106=203, Resulting Numbers: [203] 203,79 unequal: No Solution Exploring Operation: 106-97=9, Resulting Numbers: [9] 9,79 unequal: No Solution Exploring Operation: 97*106=10282, Resulting Numbers: [10282] 10282,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 79:[62, 141], Operations: ['21+41=62', '97+44=141'] Exploring Operation: 141-62=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[21, 97, 44, 41], Operations: [] Exploring Operation: 21+41=62, Resulting Numbers: [97, 44, 62] Generated Node #0,0: 79:[97, 44, 62] Operation: 21+41=62 Moving to Node #0,0 Current State: 79:[97, 44, 62], Operations: ['21+41=62'] Exploring Operation: 97+44=141, Resulting Numbers: [62, 141] Generated Node #0,0,2: 79:[62, 141] Operation: 97+44=141 Moving to Node #0,0,2 Current State: 79:[62, 141], Operations: ['21+41=62', '97+44=141'] Exploring Operation: 141-62=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 21, 71, 18, 81 ]
49
[ "71-21=50", "18+81=99", "99-50=49" ]
Current State: 49:[21, 71, 18, 81], Operations: [] Exploring Operation: 71-21=50, Resulting Numbers: [18, 81, 50] Generated Node #2: [18, 81, 50] from Operation: 71-21=50 Current State: 49:[18, 81, 50], Operations: ['71-21=50'] Exploring Operation: 18+81=99, Resulting Numbers: [50, 99] Generated Node #3: [50, 99] from Operation: 18+81=99 Current State: 49:[50, 99], Operations: ['71-21=50', '18+81=99'] Exploring Operation: 99-50=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[21, 71, 18, 81], Operations: [] Exploring Operation: 71-21=50, Resulting Numbers: [18, 81, 50] Generated Node #0,0: 49:[18, 81, 50] Operation: 71-21=50 Exploring Operation: 71-18=53, Resulting Numbers: [21, 81, 53] Generated Node #0,1: 49:[21, 81, 53] Operation: 71-18=53 Exploring Operation: 81-21=60, Resulting Numbers: [71, 18, 60] Generated Node #0,2: 49:[71, 18, 60] Operation: 81-21=60 Exploring Operation: 81-71=10, Resulting Numbers: [21, 18, 10] Generated Node #0,3: 49:[21, 18, 10] Operation: 81-71=10 Start Sub Search at level 1: Moving to Node #0,3 Current State: 49:[21, 18, 10], Operations: ['81-71=10'] Exploring Operation: 21+18=39, Resulting Numbers: [10, 39] Generated Node #0,3,0: 49:[10, 39] Operation: 21+18=39 Exploring Operation: 21-18=3, Resulting Numbers: [10, 3] Generated Node #0,3,1: 49:[10, 3] Operation: 21-18=3 Exploring Operation: 21-10=11, Resulting Numbers: [18, 11] Generated Node #0,3,2: 49:[18, 11] Operation: 21-10=11 Exploring Operation: 18-10=8, Resulting Numbers: [21, 8] Generated Node #0,3,3: 49:[21, 8] Operation: 18-10=8 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 49:[10, 3], Operations: ['81-71=10', '21-18=3'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,49 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 49:[10, 39], Operations: ['81-71=10', '21+18=39'] Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,49 unequal: No Solution Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[21, 71, 18, 81], Operations: [] Exploring Operation: 81-71=10, Resulting Numbers: [21, 18, 10] Generated Node #0,3: 49:[21, 18, 10] Operation: 81-71=10 Moving to Node #0,3 Current State: 49:[21, 18, 10], Operations: ['81-71=10'] Exploring Operation: 21+18=39, Resulting Numbers: [10, 39] Generated Node #0,3,0: 49:[10, 39] Operation: 21+18=39 Moving to Node #0,3,0 Current State: 49:[10, 39], Operations: ['81-71=10', '21+18=39'] Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 19, 58, 95, 57 ]
29
[ "19*58=1102", "95-57=38", "1102/38=29" ]
Current State: 29:[19, 58, 95, 57], Operations: [] Exploring Operation: 19*58=1102, Resulting Numbers: [95, 57, 1102] Generated Node #2: [95, 57, 1102] from Operation: 19*58=1102 Current State: 29:[95, 57, 1102], Operations: ['19*58=1102'] Exploring Operation: 95-57=38, Resulting Numbers: [1102, 38] Generated Node #3: [1102, 38] from Operation: 95-57=38 Current State: 29:[1102, 38], Operations: ['19*58=1102', '95-57=38'] Exploring Operation: 1102/38=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[19, 58, 95, 57], Operations: [] Exploring Operation: 95-57=38, Resulting Numbers: [19, 58, 38] Generated Node #0,0: 29:[19, 58, 38] Operation: 95-57=38 Exploring Operation: 95-58=37, Resulting Numbers: [19, 57, 37] Generated Node #0,1: 29:[19, 57, 37] Operation: 95-58=37 Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[19, 57, 37], Operations: ['95-58=37'] Exploring Operation: 57-37=20, Resulting Numbers: [19, 20] Generated Node #0,1,0: 29:[19, 20] Operation: 57-37=20 Exploring Operation: 57-19=38, Resulting Numbers: [37, 38] Generated Node #0,1,1: 29:[37, 38] Operation: 57-19=38 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 29:[37, 38], Operations: ['95-58=37', '57-19=38'] Exploring Operation: 38-37=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 37+38=75, Resulting Numbers: [75] 75,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 29:[19, 20], Operations: ['95-58=37', '57-37=20'] Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,29 unequal: No Solution Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,29 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: 29:[19, 58, 38], Operations: ['95-57=38'] Exploring Operation: 58-38=20, Resulting Numbers: [19, 20] Generated Node #0,0,0: 29:[19, 20] Operation: 58-38=20 Exploring Operation: 58-19=39, Resulting Numbers: [38, 39] Generated Node #0,0,1: 29:[38, 39] Operation: 58-19=39 Moving to Node #0,0,0 Current State: 29:[19, 20], Operations: ['95-57=38', '58-38=20'] Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,29 unequal: No Solution Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[38, 39], Operations: ['95-57=38', '58-19=39'] Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 38+39=77, Resulting Numbers: [77] 77,29 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
[ 60, 8, 10, 22 ]
35
[ "10*22=220", "60+220=280", "280/8=35" ]
Current State: 35:[60, 8, 10, 22], Operations: [] Exploring Operation: 10*22=220, Resulting Numbers: [60, 8, 220] Generated Node #2: [60, 8, 220] from Operation: 10*22=220 Current State: 35:[60, 8, 220], Operations: ['10*22=220'] Exploring Operation: 60+220=280, Resulting Numbers: [8, 280] Generated Node #3: [8, 280] from Operation: 60+220=280 Current State: 35:[8, 280], Operations: ['10*22=220', '60+220=280'] Exploring Operation: 280/8=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[60, 8, 10, 22], Operations: [] Exploring Operation: 60-10=50, Resulting Numbers: [8, 22, 50] Generated Node #0,0: 35:[8, 22, 50] Operation: 60-10=50 Exploring Operation: 60-22=38, Resulting Numbers: [8, 10, 38] Generated Node #0,1: 35:[8, 10, 38] Operation: 60-22=38 Exploring Operation: 10+22=32, Resulting Numbers: [60, 8, 32] Generated Node #0,2: 35:[60, 8, 32] Operation: 10+22=32 Exploring Operation: 60/10=6, Resulting Numbers: [8, 22, 6] Generated Node #0,3: 35:[8, 22, 6] Operation: 60/10=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[8, 10, 38], Operations: ['60-22=38'] Exploring Operation: 8+10=18, Resulting Numbers: [38, 18] Generated Node #0,1,0: 35:[38, 18] Operation: 8+10=18 Exploring Operation: 38-8=30, Resulting Numbers: [10, 30] Generated Node #0,1,1: 35:[10, 30] Operation: 38-8=30 Exploring Operation: 10-8=2, Resulting Numbers: [38, 2] Generated Node #0,1,2: 35:[38, 2] Operation: 10-8=2 Exploring Operation: 38-10=28, Resulting Numbers: [8, 28] Generated Node #0,1,3: 35:[8, 28] Operation: 38-10=28 Moving to Node #0,1,2 Current State: 35:[38, 2], Operations: ['60-22=38', '10-8=2'] Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,35 unequal: No Solution Exploring Operation: 38*2=76, Resulting Numbers: [76] 76,35 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,35 unequal: No Solution Moving to Node #0,1,3 Current State: 35:[8, 28], Operations: ['60-22=38', '38-10=28'] Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,35 unequal: No Solution Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,35 unequal: No Solution Moving to Node #0,1,1 Current State: 35:[10, 30], Operations: ['60-22=38', '38-8=30'] Exploring Operation: 10*30=300, Resulting Numbers: [300] 300,35 unequal: No Solution Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,35 unequal: No Solution Exploring Operation: 10+30=40, Resulting Numbers: [40] 40,35 unequal: No Solution Moving to Node #0,1,0 Current State: 35:[38, 18], Operations: ['60-22=38', '8+10=18'] Exploring Operation: 38+18=56, Resulting Numbers: [56] 56,35 unequal: No Solution Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,35 unequal: No Solution Exploring Operation: 38*18=684, Resulting Numbers: [684] 684,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 35:[8, 22, 6], Operations: ['60/10=6'] Exploring Operation: 8+22=30, Resulting Numbers: [6, 30] Generated Node #0,3,0: 35:[6, 30] Operation: 8+22=30 Exploring Operation: 22+6=28, Resulting Numbers: [8, 28] Generated Node #0,3,1: 35:[8, 28] Operation: 22+6=28 Exploring Operation: 22-6=16, Resulting Numbers: [8, 16] Generated Node #0,3,2: 35:[8, 16] Operation: 22-6=16 Exploring Operation: 22-8=14, Resulting Numbers: [6, 14] Generated Node #0,3,3: 35:[6, 14] Operation: 22-8=14 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 35:[6, 30], Operations: ['60/10=6', '8+22=30'] Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 6+30=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 6*30=180, Resulting Numbers: [180] 180,35 unequal: No Solution No 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: 35:[8, 28], Operations: ['60/10=6', '22+6=28'] Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,35 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,35 unequal: No Solution Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,35 unequal: No Solution No 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: 35:[6, 14], Operations: ['60/10=6', '22-8=14'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,35 unequal: No Solution Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,35 unequal: No Solution Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,35 unequal: No Solution No 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: 35:[8, 16], Operations: ['60/10=6', '22-6=16'] Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 8*16=128, Resulting Numbers: [128] 128,35 unequal: No Solution Exploring Operation: 8+16=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,35 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: 35:[8, 22, 50], Operations: ['60-10=50'] Exploring Operation: 22-8=14, Resulting Numbers: [50, 14] Generated Node #0,0,0: 35:[50, 14] Operation: 22-8=14 Exploring Operation: 50-8=42, Resulting Numbers: [22, 42] Generated Node #0,0,1: 35:[22, 42] Operation: 50-8=42 Exploring Operation: 8+22=30, Resulting Numbers: [50, 30] Generated Node #0,0,2: 35:[50, 30] Operation: 8+22=30 Exploring Operation: 50-22=28, Resulting Numbers: [8, 28] Generated Node #0,0,3: 35:[8, 28] Operation: 50-22=28 Moving to Node #0,0,3 Current State: 35:[8, 28], Operations: ['60-10=50', '50-22=28'] Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,35 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,35 unequal: No Solution Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,35 unequal: No Solution Moving to Node #0,0,2 Current State: 35:[50, 30], Operations: ['60-10=50', '8+22=30'] Exploring Operation: 50+30=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 50-30=20, Resulting Numbers: [20] 20,35 unequal: No Solution Exploring Operation: 50*30=1500, Resulting Numbers: [1500] 1500,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[22, 42], Operations: ['60-10=50', '50-8=42'] Exploring Operation: 42-22=20, Resulting Numbers: [20] 20,35 unequal: No Solution Exploring Operation: 22+42=64, Resulting Numbers: [64] 64,35 unequal: No Solution Exploring Operation: 22*42=924, Resulting Numbers: [924] 924,35 unequal: No Solution Moving to Node #0,0,0 Current State: 35:[50, 14], Operations: ['60-10=50', '22-8=14'] Exploring Operation: 50-14=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 50+14=64, Resulting Numbers: [64] 64,35 unequal: No Solution Exploring Operation: 50*14=700, Resulting Numbers: [700] 700,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[60, 8, 32], Operations: ['10+22=32'] Exploring Operation: 32/8=4, Resulting Numbers: [60, 4] Generated Node #0,2,0: 35:[60, 4] Operation: 32/8=4 Exploring Operation: 60-32=28, Resulting Numbers: [8, 28] Generated Node #0,2,1: 35:[8, 28] Operation: 60-32=28 Exploring Operation: 60-8=52, Resulting Numbers: [32, 52] Generated Node #0,2,2: 35:[32, 52] Operation: 60-8=52 Exploring Operation: 8+32=40, Resulting Numbers: [60, 40] Generated Node #0,2,3: 35:[60, 40] Operation: 8+32=40 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 35:[8, 28], Operations: ['10+22=32', '60-32=28'] Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,35 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,35 unequal: No Solution Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,35 unequal: No Solution No 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: 35:[32, 52], Operations: ['10+22=32', '60-8=52'] Exploring Operation: 32*52=1664, Resulting Numbers: [1664] 1664,35 unequal: No Solution Exploring Operation: 52-32=20, Resulting Numbers: [20] 20,35 unequal: No Solution Exploring Operation: 32+52=84, Resulting Numbers: [84] 84,35 unequal: No Solution No 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: 35:[60, 4], Operations: ['10+22=32', '32/8=4'] Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,35 unequal: No Solution Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,35 unequal: No Solution Exploring Operation: 60*4=240, Resulting Numbers: [240] 240,35 unequal: No Solution Exploring Operation: 60+4=64, Resulting Numbers: [64] 64,35 unequal: No Solution No 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: 35:[60, 40], Operations: ['10+22=32', '8+32=40'] Exploring Operation: 60+40=100, Resulting Numbers: [100] 100,35 unequal: No Solution Exploring Operation: 60*40=2400, Resulting Numbers: [2400] 2400,35 unequal: No Solution Exploring Operation: 60-40=20, Resulting Numbers: [20] 20,35 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
[ 72, 51, 1, 58 ]
64
[ "72+51=123", "1+58=59", "123-59=64" ]
Current State: 64:[72, 51, 1, 58], Operations: [] Exploring Operation: 72+51=123, Resulting Numbers: [1, 58, 123] Generated Node #2: [1, 58, 123] from Operation: 72+51=123 Current State: 64:[1, 58, 123], Operations: ['72+51=123'] Exploring Operation: 1+58=59, Resulting Numbers: [123, 59] Generated Node #3: [123, 59] from Operation: 1+58=59 Current State: 64:[123, 59], Operations: ['72+51=123', '1+58=59'] Exploring Operation: 123-59=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[72, 51, 1, 58], Operations: [] Exploring Operation: 72-1=71, Resulting Numbers: [51, 58, 71] Generated Node #0,0: 64:[51, 58, 71] Operation: 72-1=71 Exploring Operation: 72-51=21, Resulting Numbers: [1, 58, 21] Generated Node #0,1: 64:[1, 58, 21] Operation: 72-51=21 Exploring Operation: 72-58=14, Resulting Numbers: [51, 1, 14] Generated Node #0,2: 64:[51, 1, 14] Operation: 72-58=14 Exploring Operation: 58-51=7, Resulting Numbers: [72, 1, 7] Generated Node #0,3: 64:[72, 1, 7] Operation: 58-51=7 Exploring Operation: 51+1=52, Resulting Numbers: [72, 58, 52] Generated Node #0,4: 64:[72, 58, 52] Operation: 51+1=52 Moving to Node #0,3 Current State: 64:[72, 1, 7], Operations: ['58-51=7'] Exploring Operation: 72/1=72, Resulting Numbers: [7, 72] Generated Node #0,3,0: 64:[7, 72] Operation: 72/1=72 Exploring Operation: 72-7=65, Resulting Numbers: [1, 65] Generated Node #0,3,1: 64:[1, 65] Operation: 72-7=65 Exploring Operation: 1+7=8, Resulting Numbers: [72, 8] Generated Node #0,3,2: 64:[72, 8] Operation: 1+7=8 Exploring Operation: 72*1=72, Resulting Numbers: [7, 72] Generated Node #0,3,3: 64:[7, 72] Operation: 72*1=72 Exploring Operation: 72-1=71, Resulting Numbers: [7, 71] Generated Node #0,3,4: 64:[7, 71] Operation: 72-1=71 Moving to Node #0,1 Current State: 64:[1, 58, 21], Operations: ['72-51=21'] Exploring Operation: 58/1=58, Resulting Numbers: [21, 58] Generated Node #0,1,0: 64:[21, 58] Operation: 58/1=58 Exploring Operation: 58-21=37, Resulting Numbers: [1, 37] Generated Node #0,1,1: 64:[1, 37] Operation: 58-21=37 Exploring Operation: 1+58=59, Resulting Numbers: [21, 59] Generated Node #0,1,2: 64:[21, 59] Operation: 1+58=59 Exploring Operation: 1*58=58, Resulting Numbers: [21, 58] Generated Node #0,1,3: 64:[21, 58] Operation: 1*58=58 Exploring Operation: 21-1=20, Resulting Numbers: [58, 20] Generated Node #0,1,4: 64:[58, 20] Operation: 21-1=20 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 64:[1, 37], Operations: ['72-51=21', '58-21=37'] Exploring Operation: 1*37=37, Resulting Numbers: [37] 37,64 unequal: No Solution Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,64 unequal: No Solution Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,64 unequal: No Solution Exploring Operation: 1+37=38, Resulting Numbers: [38] 38,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 64:[21, 59], Operations: ['72-51=21', '1+58=59'] Exploring Operation: 21+59=80, Resulting Numbers: [80] 80,64 unequal: No Solution Exploring Operation: 59-21=38, Resulting Numbers: [38] 38,64 unequal: No Solution Exploring Operation: 21*59=1239, Resulting Numbers: [1239] 1239,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 64:[58, 20], Operations: ['72-51=21', '21-1=20'] Exploring Operation: 58*20=1160, Resulting Numbers: [1160] 1160,64 unequal: No Solution Exploring Operation: 58+20=78, Resulting Numbers: [78] 78,64 unequal: No Solution Exploring Operation: 58-20=38, Resulting Numbers: [38] 38,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 64:[21, 58], Operations: ['72-51=21', '58/1=58'] Exploring Operation: 21+58=79, Resulting Numbers: [79] 79,64 unequal: No Solution Exploring Operation: 21*58=1218, Resulting Numbers: [1218] 1218,64 unequal: No Solution Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 64:[21, 58], Operations: ['72-51=21', '1*58=58'] Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,64 unequal: No Solution Exploring Operation: 21+58=79, Resulting Numbers: [79] 79,64 unequal: No Solution Exploring Operation: 21*58=1218, Resulting Numbers: [1218] 1218,64 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: 64:[51, 1, 14], Operations: ['72-58=14'] Exploring Operation: 1+14=15, Resulting Numbers: [51, 15] Generated Node #0,2,0: 64:[51, 15] Operation: 1+14=15 Exploring Operation: 51+14=65, Resulting Numbers: [1, 65] Generated Node #0,2,1: 64:[1, 65] Operation: 51+14=65 Exploring Operation: 51-14=37, Resulting Numbers: [1, 37] Generated Node #0,2,2: 64:[1, 37] Operation: 51-14=37 Exploring Operation: 51*1=51, Resulting Numbers: [14, 51] Generated Node #0,2,3: 64:[14, 51] Operation: 51*1=51 Exploring Operation: 51+1=52, Resulting Numbers: [14, 52] Generated Node #0,2,4: 64:[14, 52] Operation: 51+1=52 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 64:[1, 65], Operations: ['72-58=14', '51+14=65'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[72, 51, 1, 58], Operations: [] Exploring Operation: 72-58=14, Resulting Numbers: [51, 1, 14] Generated Node #0,2: 64:[51, 1, 14] Operation: 72-58=14 Moving to Node #0,2 Current State: 64:[51, 1, 14], Operations: ['72-58=14'] Exploring Operation: 51+14=65, Resulting Numbers: [1, 65] Generated Node #0,2,1: 64:[1, 65] Operation: 51+14=65 Moving to Node #0,2,1 Current State: 64:[1, 65], Operations: ['72-58=14', '51+14=65'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_5
sum_heuristic
[ 54, 62, 6, 49 ]
35
[ "62-54=8", "49-6=43", "43-8=35" ]
Current State: 35:[54, 62, 6, 49], Operations: [] Exploring Operation: 62-54=8, Resulting Numbers: [6, 49, 8] Generated Node #2: [6, 49, 8] from Operation: 62-54=8 Current State: 35:[6, 49, 8], Operations: ['62-54=8'] Exploring Operation: 49-6=43, Resulting Numbers: [8, 43] Generated Node #3: [8, 43] from Operation: 49-6=43 Current State: 35:[8, 43], Operations: ['62-54=8', '49-6=43'] Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[54, 62, 6, 49], Operations: [] Exploring Operation: 62-49=13, Resulting Numbers: [54, 6, 13] Generated Node #0,0: 35:[54, 6, 13] Operation: 62-49=13 Exploring Operation: 62-54=8, Resulting Numbers: [6, 49, 8] Generated Node #0,1: 35:[6, 49, 8] Operation: 62-54=8 Exploring Operation: 54-49=5, Resulting Numbers: [62, 6, 5] Generated Node #0,2: 35:[62, 6, 5] Operation: 54-49=5 Exploring Operation: 54/6=9, Resulting Numbers: [62, 49, 9] Generated Node #0,3: 35:[62, 49, 9] Operation: 54/6=9 Exploring Operation: 54-6=48, Resulting Numbers: [62, 49, 48] Generated Node #0,4: 35:[62, 49, 48] Operation: 54-6=48 Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[6, 49, 8], Operations: ['62-54=8'] Exploring Operation: 49-6=43, Resulting Numbers: [8, 43] Generated Node #0,1,0: 35:[8, 43] Operation: 49-6=43 Exploring Operation: 49-8=41, Resulting Numbers: [6, 41] Generated Node #0,1,1: 35:[6, 41] Operation: 49-8=41 Exploring Operation: 6+8=14, Resulting Numbers: [49, 14] Generated Node #0,1,2: 35:[49, 14] Operation: 6+8=14 Exploring Operation: 6+49=55, Resulting Numbers: [8, 55] Generated Node #0,1,3: 35:[8, 55] Operation: 6+49=55 Exploring Operation: 8-6=2, Resulting Numbers: [49, 2] Generated Node #0,1,4: 35:[49, 2] Operation: 8-6=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 35:[6, 41], Operations: ['62-54=8', '49-8=41'] Exploring Operation: 6*41=246, Resulting Numbers: [246] 246,35 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[54, 62, 6, 49], Operations: [] Exploring Operation: 62-54=8, Resulting Numbers: [6, 49, 8] Generated Node #0,1: 35:[6, 49, 8] Operation: 62-54=8 Moving to Node #0,1 Current State: 35:[6, 49, 8], Operations: ['62-54=8'] Exploring Operation: 49-8=41, Resulting Numbers: [6, 41] Generated Node #0,1,1: 35:[6, 41] Operation: 49-8=41 Moving to Node #0,1,1 Current State: 35:[6, 41], Operations: ['62-54=8', '49-8=41'] Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 87, 65, 80, 84 ]
53
[ "87-80=7", "84/7=12", "65-12=53" ]
Current State: 53:[87, 65, 80, 84], Operations: [] Exploring Operation: 87-80=7, Resulting Numbers: [65, 84, 7] Generated Node #2: [65, 84, 7] from Operation: 87-80=7 Current State: 53:[65, 84, 7], Operations: ['87-80=7'] Exploring Operation: 84/7=12, Resulting Numbers: [65, 12] Generated Node #3: [65, 12] from Operation: 84/7=12 Current State: 53:[65, 12], Operations: ['87-80=7', '84/7=12'] Exploring Operation: 65-12=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[87, 65, 80, 84], Operations: [] Exploring Operation: 87-80=7, Resulting Numbers: [65, 84, 7] Generated Node #0,0: 53:[65, 84, 7] Operation: 87-80=7 Exploring Operation: 87-65=22, Resulting Numbers: [80, 84, 22] Generated Node #0,1: 53:[80, 84, 22] Operation: 87-65=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[65, 84, 7], Operations: ['87-80=7'] Exploring Operation: 84-7=77, Resulting Numbers: [65, 77] Generated Node #0,0,0: 53:[65, 77] Operation: 84-7=77 Exploring Operation: 65-7=58, Resulting Numbers: [84, 58] Generated Node #0,0,1: 53:[84, 58] Operation: 65-7=58 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[65, 77], Operations: ['87-80=7', '84-7=77'] Exploring Operation: 65+77=142, Resulting Numbers: [142] 142,53 unequal: No Solution Exploring Operation: 77-65=12, Resulting Numbers: [12] 12,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[84, 58], Operations: ['87-80=7', '65-7=58'] Exploring Operation: 84+58=142, Resulting Numbers: [142] 142,53 unequal: No Solution Exploring Operation: 84-58=26, Resulting Numbers: [26] 26,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[80, 84, 22], Operations: ['87-65=22'] Exploring Operation: 80-22=58, Resulting Numbers: [84, 58] Generated Node #0,1,0: 53:[84, 58] Operation: 80-22=58 Exploring Operation: 84-22=62, Resulting Numbers: [80, 62] Generated Node #0,1,1: 53:[80, 62] Operation: 84-22=62 Moving to Node #0,1,0 Current State: 53:[84, 58], Operations: ['87-65=22', '80-22=58'] Exploring Operation: 84-58=26, Resulting Numbers: [26] 26,53 unequal: No Solution Exploring Operation: 84+58=142, Resulting Numbers: [142] 142,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[80, 62], Operations: ['87-65=22', '84-22=62'] Exploring Operation: 80+62=142, Resulting Numbers: [142] 142,53 unequal: No Solution Exploring Operation: 80-62=18, Resulting Numbers: [18] 18,53 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
[ 67, 14, 68, 2 ]
27
[ "68-67=1", "14*2=28", "28-1=27" ]
Current State: 27:[67, 14, 68, 2], Operations: [] Exploring Operation: 68-67=1, Resulting Numbers: [14, 2, 1] Generated Node #2: [14, 2, 1] from Operation: 68-67=1 Current State: 27:[14, 2, 1], Operations: ['68-67=1'] Exploring Operation: 14*2=28, Resulting Numbers: [1, 28] Generated Node #3: [1, 28] from Operation: 14*2=28 Current State: 27:[1, 28], Operations: ['68-67=1', '14*2=28'] Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[67, 14, 68, 2], Operations: [] Exploring Operation: 67-14=53, Resulting Numbers: [68, 2, 53] Generated Node #0,0: 27:[68, 2, 53] Operation: 67-14=53 Exploring Operation: 68-67=1, Resulting Numbers: [14, 2, 1] Generated Node #0,1: 27:[14, 2, 1] Operation: 68-67=1 Exploring Operation: 68-14=54, Resulting Numbers: [67, 2, 54] Generated Node #0,2: 27:[67, 2, 54] Operation: 68-14=54 Exploring Operation: 68/2=34, Resulting Numbers: [67, 14, 34] Generated Node #0,3: 27:[67, 14, 34] Operation: 68/2=34 Exploring Operation: 14*2=28, Resulting Numbers: [67, 68, 28] Generated Node #0,4: 27:[67, 68, 28] Operation: 14*2=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[14, 2, 1], Operations: ['68-67=1'] Exploring Operation: 14-1=13, Resulting Numbers: [2, 13] Generated Node #0,1,0: 27:[2, 13] Operation: 14-1=13 Exploring Operation: 14/2=7, Resulting Numbers: [1, 7] Generated Node #0,1,1: 27:[1, 7] Operation: 14/2=7 Exploring Operation: 2+1=3, Resulting Numbers: [14, 3] Generated Node #0,1,2: 27:[14, 3] Operation: 2+1=3 Exploring Operation: 14*2=28, Resulting Numbers: [1, 28] Generated Node #0,1,3: 27:[1, 28] Operation: 14*2=28 Exploring Operation: 14-2=12, Resulting Numbers: [1, 12] Generated Node #0,1,4: 27:[1, 12] Operation: 14-2=12 Moving to Node #0,1,3 Current State: 27:[1, 28], Operations: ['68-67=1', '14*2=28'] Exploring Operation: 1+28=29, Resulting Numbers: [29] 29,27 unequal: No Solution Exploring Operation: 1*28=28, Resulting Numbers: [28] 28,27 unequal: No Solution Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,27 unequal: No Solution Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[67, 14, 68, 2], Operations: [] Exploring Operation: 68-67=1, Resulting Numbers: [14, 2, 1] Generated Node #0,1: 27:[14, 2, 1] Operation: 68-67=1 Moving to Node #0,1 Current State: 27:[14, 2, 1], Operations: ['68-67=1'] Exploring Operation: 14*2=28, Resulting Numbers: [1, 28] Generated Node #0,1,3: 27:[1, 28] Operation: 14*2=28 Moving to Node #0,1,3 Current State: 27:[1, 28], Operations: ['68-67=1', '14*2=28'] Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 12, 78, 36, 4 ]
29
[ "78*4=312", "36+312=348", "348/12=29" ]
Current State: 29:[12, 78, 36, 4], Operations: [] Exploring Operation: 78*4=312, Resulting Numbers: [12, 36, 312] Generated Node #2: [12, 36, 312] from Operation: 78*4=312 Current State: 29:[12, 36, 312], Operations: ['78*4=312'] Exploring Operation: 36+312=348, Resulting Numbers: [12, 348] Generated Node #3: [12, 348] from Operation: 36+312=348 Current State: 29:[12, 348], Operations: ['78*4=312', '36+312=348'] Exploring Operation: 348/12=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[12, 78, 36, 4], Operations: [] Exploring Operation: 78-36=42, Resulting Numbers: [12, 4, 42] Generated Node #0,0: 29:[12, 4, 42] Operation: 78-36=42 Exploring Operation: 78-12=66, Resulting Numbers: [36, 4, 66] Generated Node #0,1: 29:[36, 4, 66] Operation: 78-12=66 Exploring Operation: 12+4=16, Resulting Numbers: [78, 36, 16] Generated Node #0,2: 29:[78, 36, 16] Operation: 12+4=16 Moving to Node #0,0 Current State: 29:[12, 4, 42], Operations: ['78-36=42'] Exploring Operation: 42-12=30, Resulting Numbers: [4, 30] Generated Node #0,0,0: 29:[4, 30] Operation: 42-12=30 Exploring Operation: 42-4=38, Resulting Numbers: [12, 38] Generated Node #0,0,1: 29:[12, 38] Operation: 42-4=38 Exploring Operation: 12+4=16, Resulting Numbers: [42, 16] Generated Node #0,0,2: 29:[42, 16] Operation: 12+4=16 Moving to Node #0,1 Current State: 29:[36, 4, 66], Operations: ['78-12=66'] Exploring Operation: 36-4=32, Resulting Numbers: [66, 32] Generated Node #0,1,0: 29:[66, 32] Operation: 36-4=32 Exploring Operation: 66-4=62, Resulting Numbers: [36, 62] Generated Node #0,1,1: 29:[36, 62] Operation: 66-4=62 Exploring Operation: 66-36=30, Resulting Numbers: [4, 30] Generated Node #0,1,2: 29:[4, 30] Operation: 66-36=30 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 29:[4, 30], Operations: ['78-12=66', '66-36=30'] Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,29 unequal: No Solution Exploring Operation: 4*30=120, Resulting Numbers: [120] 120,29 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,29 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 #0,1,0 Current State: 29:[66, 32], Operations: ['78-12=66', '36-4=32'] Exploring Operation: 66-32=34, Resulting Numbers: [34] 34,29 unequal: No Solution Exploring Operation: 66+32=98, Resulting Numbers: [98] 98,29 unequal: No Solution Exploring Operation: 66*32=2112, Resulting Numbers: [2112] 2112,29 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 #0,1,1 Current State: 29:[36, 62], Operations: ['78-12=66', '66-4=62'] Exploring Operation: 36*62=2232, Resulting Numbers: [2232] 2232,29 unequal: No Solution Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 36+62=98, Resulting Numbers: [98] 98,29 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: 29:[78, 36, 16], Operations: ['12+4=16'] Exploring Operation: 78-16=62, Resulting Numbers: [36, 62] Generated Node #0,2,0: 29:[36, 62] Operation: 78-16=62 Exploring Operation: 78-36=42, Resulting Numbers: [16, 42] Generated Node #0,2,1: 29:[16, 42] Operation: 78-36=42 Exploring Operation: 36-16=20, Resulting Numbers: [78, 20] Generated Node #0,2,2: 29:[78, 20] Operation: 36-16=20 Moving to Node #0,0,0 Current State: 29:[4, 30], Operations: ['78-36=42', '42-12=30'] Exploring Operation: 4*30=120, Resulting Numbers: [120] 120,29 unequal: No Solution Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,29 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[42, 16], Operations: ['78-36=42', '12+4=16'] Exploring Operation: 42+16=58, Resulting Numbers: [58] 58,29 unequal: No Solution Exploring Operation: 42*16=672, Resulting Numbers: [672] 672,29 unequal: No Solution Exploring Operation: 42-16=26, Resulting Numbers: [26] 26,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[12, 38], Operations: ['78-36=42', '42-4=38'] Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 12*38=456, Resulting Numbers: [456] 456,29 unequal: No Solution Exploring Operation: 12+38=50, Resulting Numbers: [50] 50,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[16, 42], Operations: ['12+4=16', '78-36=42'] Exploring Operation: 42-16=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 16+42=58, Resulting Numbers: [58] 58,29 unequal: No Solution Exploring Operation: 16*42=672, Resulting Numbers: [672] 672,29 unequal: No Solution Moving to Node #0,2,0 Current State: 29:[36, 62], Operations: ['12+4=16', '78-16=62'] Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 36+62=98, Resulting Numbers: [98] 98,29 unequal: No Solution Exploring Operation: 36*62=2232, Resulting Numbers: [2232] 2232,29 unequal: No Solution Moving to Node #0,2,2 Current State: 29:[78, 20], Operations: ['12+4=16', '36-16=20'] Exploring Operation: 78*20=1560, Resulting Numbers: [1560] 1560,29 unequal: No Solution Exploring Operation: 78+20=98, Resulting Numbers: [98] 98,29 unequal: No Solution Exploring Operation: 78-20=58, Resulting Numbers: [58] 58,29 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 92, 67, 53, 81 ]
53
[ "92-67=25", "81-53=28", "25+28=53" ]
Current State: 53:[92, 67, 53, 81], Operations: [] Exploring Operation: 92-67=25, Resulting Numbers: [53, 81, 25] Generated Node #2: [53, 81, 25] from Operation: 92-67=25 Current State: 53:[53, 81, 25], Operations: ['92-67=25'] Exploring Operation: 81-53=28, Resulting Numbers: [25, 28] Generated Node #3: [25, 28] from Operation: 81-53=28 Current State: 53:[25, 28], Operations: ['92-67=25', '81-53=28'] Exploring Operation: 25+28=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[92, 67, 53, 81], Operations: [] Exploring Operation: 92-67=25, Resulting Numbers: [53, 81, 25] Generated Node #0,0: 53:[53, 81, 25] Operation: 92-67=25 Exploring Operation: 92-81=11, Resulting Numbers: [67, 53, 11] Generated Node #0,1: 53:[67, 53, 11] Operation: 92-81=11 Exploring Operation: 92-53=39, Resulting Numbers: [67, 81, 39] Generated Node #0,2: 53:[67, 81, 39] Operation: 92-53=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[53, 81, 25], Operations: ['92-67=25'] Exploring Operation: 81-25=56, Resulting Numbers: [53, 56] Generated Node #0,0,0: 53:[53, 56] Operation: 81-25=56 Exploring Operation: 81-53=28, Resulting Numbers: [25, 28] Generated Node #0,0,1: 53:[25, 28] Operation: 81-53=28 Exploring Operation: 53+25=78, Resulting Numbers: [81, 78] Generated Node #0,0,2: 53:[81, 78] Operation: 53+25=78 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[53, 56], Operations: ['92-67=25', '81-25=56'] Exploring Operation: 53+56=109, Resulting Numbers: [109] 109,53 unequal: No Solution Exploring Operation: 53*56=2968, Resulting Numbers: [2968] 2968,53 unequal: No Solution Exploring Operation: 56-53=3, Resulting Numbers: [3] 3,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[25, 28], Operations: ['92-67=25', '81-53=28'] Exploring Operation: 28-25=3, Resulting Numbers: [3] 3,53 unequal: No Solution Exploring Operation: 25+28=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[92, 67, 53, 81], Operations: [] Exploring Operation: 92-67=25, Resulting Numbers: [53, 81, 25] Generated Node #0,0: 53:[53, 81, 25] Operation: 92-67=25 Moving to Node #0,0 Current State: 53:[53, 81, 25], Operations: ['92-67=25'] Exploring Operation: 81-53=28, Resulting Numbers: [25, 28] Generated Node #0,0,1: 53:[25, 28] Operation: 81-53=28 Moving to Node #0,0,1 Current State: 53:[25, 28], Operations: ['92-67=25', '81-53=28'] Exploring Operation: 25+28=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 23, 11, 58, 7 ]
53
[ "23-11=12", "58+7=65", "65-12=53" ]
Current State: 53:[23, 11, 58, 7], Operations: [] Exploring Operation: 23-11=12, Resulting Numbers: [58, 7, 12] Generated Node #2: [58, 7, 12] from Operation: 23-11=12 Current State: 53:[58, 7, 12], Operations: ['23-11=12'] Exploring Operation: 58+7=65, Resulting Numbers: [12, 65] Generated Node #3: [12, 65] from Operation: 58+7=65 Current State: 53:[12, 65], Operations: ['23-11=12', '58+7=65'] Exploring Operation: 65-12=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[23, 11, 58, 7], Operations: [] Exploring Operation: 11*7=77, Resulting Numbers: [23, 58, 77] Generated Node #0,0: 53:[23, 58, 77] Operation: 11*7=77 Exploring Operation: 23+11=34, Resulting Numbers: [58, 7, 34] Generated Node #0,1: 53:[58, 7, 34] Operation: 23+11=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[23, 58, 77], Operations: ['11*7=77'] Exploring Operation: 58-23=35, Resulting Numbers: [77, 35] Generated Node #0,0,0: 53:[77, 35] Operation: 58-23=35 Exploring Operation: 77-23=54, Resulting Numbers: [58, 54] Generated Node #0,0,1: 53:[58, 54] Operation: 77-23=54 Moving to Node #0,0,1 Current State: 53:[58, 54], Operations: ['11*7=77', '77-23=54'] Exploring Operation: 58+54=112, Resulting Numbers: [112] 112,53 unequal: No Solution Exploring Operation: 58-54=4, Resulting Numbers: [4] 4,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[77, 35], Operations: ['11*7=77', '58-23=35'] Exploring Operation: 77+35=112, Resulting Numbers: [112] 112,53 unequal: No Solution Exploring Operation: 77-35=42, Resulting Numbers: [42] 42,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[58, 7, 34], Operations: ['23+11=34'] Exploring Operation: 7+34=41, Resulting Numbers: [58, 41] Generated Node #0,1,0: 53:[58, 41] Operation: 7+34=41 Exploring Operation: 58-7=51, Resulting Numbers: [34, 51] Generated Node #0,1,1: 53:[34, 51] Operation: 58-7=51 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[58, 41], Operations: ['23+11=34', '7+34=41'] Exploring Operation: 58+41=99, Resulting Numbers: [99] 99,53 unequal: No Solution Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 53:[34, 51], Operations: ['23+11=34', '58-7=51'] Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 34+51=85, Resulting Numbers: [85] 85,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 74, 32, 89, 81 ]
64
[ "74+32=106", "89+81=170", "170-106=64" ]
Current State: 64:[74, 32, 89, 81], Operations: [] Exploring Operation: 74+32=106, Resulting Numbers: [89, 81, 106] Generated Node #2: [89, 81, 106] from Operation: 74+32=106 Current State: 64:[89, 81, 106], Operations: ['74+32=106'] Exploring Operation: 89+81=170, Resulting Numbers: [106, 170] Generated Node #3: [106, 170] from Operation: 89+81=170 Current State: 64:[106, 170], Operations: ['74+32=106', '89+81=170'] Exploring Operation: 170-106=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[74, 32, 89, 81], Operations: [] Exploring Operation: 81-32=49, Resulting Numbers: [74, 89, 49] Generated Node #0,0: 64:[74, 89, 49] Operation: 81-32=49 Exploring Operation: 89-81=8, Resulting Numbers: [74, 32, 8] Generated Node #0,1: 64:[74, 32, 8] Operation: 89-81=8 Exploring Operation: 89-32=57, Resulting Numbers: [74, 81, 57] Generated Node #0,2: 64:[74, 81, 57] Operation: 89-32=57 Exploring Operation: 89-74=15, Resulting Numbers: [32, 81, 15] Generated Node #0,3: 64:[32, 81, 15] Operation: 89-74=15 Exploring Operation: 81-74=7, Resulting Numbers: [32, 89, 7] Generated Node #0,4: 64:[32, 89, 7] Operation: 81-74=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[74, 32, 8], Operations: ['89-81=8'] Exploring Operation: 74+8=82, Resulting Numbers: [32, 82] Generated Node #0,1,0: 64:[32, 82] Operation: 74+8=82 Exploring Operation: 32+8=40, Resulting Numbers: [74, 40] Generated Node #0,1,1: 64:[74, 40] Operation: 32+8=40 Exploring Operation: 74-32=42, Resulting Numbers: [8, 42] Generated Node #0,1,2: 64:[8, 42] Operation: 74-32=42 Exploring Operation: 32/8=4, Resulting Numbers: [74, 4] Generated Node #0,1,3: 64:[74, 4] Operation: 32/8=4 Exploring Operation: 74-8=66, Resulting Numbers: [32, 66] Generated Node #0,1,4: 64:[32, 66] Operation: 74-8=66 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 64:[32, 66], Operations: ['89-81=8', '74-8=66'] Exploring Operation: 32*66=2112, Resulting Numbers: [2112] 2112,64 unequal: No Solution Exploring Operation: 66-32=34, Resulting Numbers: [34] 34,64 unequal: No Solution Exploring Operation: 32+66=98, Resulting Numbers: [98] 98,64 unequal: No Solution No 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: 64:[8, 42], Operations: ['89-81=8', '74-32=42'] Exploring Operation: 8+42=50, Resulting Numbers: [50] 50,64 unequal: No Solution Exploring Operation: 8*42=336, Resulting Numbers: [336] 336,64 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,64 unequal: No Solution No 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: 64:[74, 4], Operations: ['89-81=8', '32/8=4'] Exploring Operation: 74-4=70, Resulting Numbers: [70] 70,64 unequal: No Solution Exploring Operation: 74+4=78, Resulting Numbers: [78] 78,64 unequal: No Solution Exploring Operation: 74*4=296, Resulting Numbers: [296] 296,64 unequal: No Solution No 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: 64:[32, 82], Operations: ['89-81=8', '74+8=82'] Exploring Operation: 82-32=50, Resulting Numbers: [50] 50,64 unequal: No Solution Exploring Operation: 32*82=2624, Resulting Numbers: [2624] 2624,64 unequal: No Solution Exploring Operation: 32+82=114, Resulting Numbers: [114] 114,64 unequal: No Solution No 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: 64:[74, 40], Operations: ['89-81=8', '32+8=40'] Exploring Operation: 74*40=2960, Resulting Numbers: [2960] 2960,64 unequal: No Solution Exploring Operation: 74+40=114, Resulting Numbers: [114] 114,64 unequal: No Solution Exploring Operation: 74-40=34, Resulting Numbers: [34] 34,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 64:[32, 81, 15], Operations: ['89-74=15'] Exploring Operation: 81-15=66, Resulting Numbers: [32, 66] Generated Node #0,3,0: 64:[32, 66] Operation: 81-15=66 Exploring Operation: 32+15=47, Resulting Numbers: [81, 47] Generated Node #0,3,1: 64:[81, 47] Operation: 32+15=47 Exploring Operation: 81+15=96, Resulting Numbers: [32, 96] Generated Node #0,3,2: 64:[32, 96] Operation: 81+15=96 Exploring Operation: 32-15=17, Resulting Numbers: [81, 17] Generated Node #0,3,3: 64:[81, 17] Operation: 32-15=17 Exploring Operation: 81-32=49, Resulting Numbers: [15, 49] Generated Node #0,3,4: 64:[15, 49] Operation: 81-32=49 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 64:[32, 66], Operations: ['89-74=15', '81-15=66'] Exploring Operation: 32*66=2112, Resulting Numbers: [2112] 2112,64 unequal: No Solution Exploring Operation: 32+66=98, Resulting Numbers: [98] 98,64 unequal: No Solution Exploring Operation: 66-32=34, Resulting Numbers: [34] 34,64 unequal: No Solution No 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: 64:[15, 49], Operations: ['89-74=15', '81-32=49'] Exploring Operation: 15*49=735, Resulting Numbers: [735] 735,64 unequal: No Solution Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,64 unequal: No Solution Exploring Operation: 15+49=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[74, 32, 89, 81], Operations: [] Exploring Operation: 89-74=15, Resulting Numbers: [32, 81, 15] Generated Node #0,3: 64:[32, 81, 15] Operation: 89-74=15 Moving to Node #0,3 Current State: 64:[32, 81, 15], Operations: ['89-74=15'] Exploring Operation: 81-32=49, Resulting Numbers: [15, 49] Generated Node #0,3,4: 64:[15, 49] Operation: 81-32=49 Moving to Node #0,3,4 Current State: 64:[15, 49], Operations: ['89-74=15', '81-32=49'] Exploring Operation: 15+49=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.965278
hs_5
mult_heuristic
[ 63, 3, 7, 51 ]
57
[ "63+7=70", "70-51=19", "3*19=57" ]
Current State: 57:[63, 3, 7, 51], Operations: [] Exploring Operation: 63+7=70, Resulting Numbers: [3, 51, 70] Generated Node #2: [3, 51, 70] from Operation: 63+7=70 Current State: 57:[3, 51, 70], Operations: ['63+7=70'] Exploring Operation: 70-51=19, Resulting Numbers: [3, 19] Generated Node #3: [3, 19] from Operation: 70-51=19 Current State: 57:[3, 19], Operations: ['63+7=70', '70-51=19'] Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[63, 3, 7, 51], Operations: [] Exploring Operation: 63-51=12, Resulting Numbers: [3, 7, 12] Generated Node #0,0: 57:[3, 7, 12] Operation: 63-51=12 Exploring Operation: 63-7=56, Resulting Numbers: [3, 51, 56] Generated Node #0,1: 57:[3, 51, 56] Operation: 63-7=56 Exploring Operation: 63/3=21, Resulting Numbers: [7, 51, 21] Generated Node #0,2: 57:[7, 51, 21] Operation: 63/3=21 Exploring Operation: 7+51=58, Resulting Numbers: [63, 3, 58] Generated Node #0,3: 57:[63, 3, 58] Operation: 7+51=58 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[3, 51, 56], Operations: ['63-7=56'] Exploring Operation: 3+51=54, Resulting Numbers: [56, 54] Generated Node #0,1,0: 57:[56, 54] Operation: 3+51=54 Exploring Operation: 3+56=59, Resulting Numbers: [51, 59] Generated Node #0,1,1: 57:[51, 59] Operation: 3+56=59 Exploring Operation: 56-51=5, Resulting Numbers: [3, 5] Generated Node #0,1,2: 57:[3, 5] Operation: 56-51=5 Exploring Operation: 51/3=17, Resulting Numbers: [56, 17] Generated Node #0,1,3: 57:[56, 17] Operation: 51/3=17 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 57:[3, 5], Operations: ['63-7=56', '56-51=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,57 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 57:[56, 17], Operations: ['63-7=56', '51/3=17'] Exploring Operation: 56*17=952, Resulting Numbers: [952] 952,57 unequal: No Solution Exploring Operation: 56+17=73, Resulting Numbers: [73] 73,57 unequal: No Solution Exploring Operation: 56-17=39, Resulting Numbers: [39] 39,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 57:[56, 54], Operations: ['63-7=56', '3+51=54'] Exploring Operation: 56-54=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 56+54=110, Resulting Numbers: [110] 110,57 unequal: No Solution Exploring Operation: 56*54=3024, Resulting Numbers: [3024] 3024,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 57:[51, 59], Operations: ['63-7=56', '3+56=59'] Exploring Operation: 51+59=110, Resulting Numbers: [110] 110,57 unequal: No Solution Exploring Operation: 51*59=3009, Resulting Numbers: [3009] 3009,57 unequal: No Solution Exploring Operation: 59-51=8, Resulting Numbers: [8] 8,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 57:[63, 3, 58], Operations: ['7+51=58'] Exploring Operation: 58-3=55, Resulting Numbers: [63, 55] Generated Node #0,3,0: 57:[63, 55] Operation: 58-3=55 Exploring Operation: 63-3=60, Resulting Numbers: [58, 60] Generated Node #0,3,1: 57:[58, 60] Operation: 63-3=60 Exploring Operation: 63/3=21, Resulting Numbers: [58, 21] Generated Node #0,3,2: 57:[58, 21] Operation: 63/3=21 Exploring Operation: 63-58=5, Resulting Numbers: [3, 5] Generated Node #0,3,3: 57:[3, 5] Operation: 63-58=5 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 57:[3, 5], Operations: ['7+51=58', '63-58=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 57:[58, 21], Operations: ['7+51=58', '63/3=21'] Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,57 unequal: No Solution Exploring Operation: 58+21=79, Resulting Numbers: [79] 79,57 unequal: No Solution Exploring Operation: 58*21=1218, Resulting Numbers: [1218] 1218,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 57:[58, 60], Operations: ['7+51=58', '63-3=60'] Exploring Operation: 60-58=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 58*60=3480, Resulting Numbers: [3480] 3480,57 unequal: No Solution Exploring Operation: 58+60=118, Resulting Numbers: [118] 118,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 57:[63, 55], Operations: ['7+51=58', '58-3=55'] Exploring Operation: 63*55=3465, Resulting Numbers: [3465] 3465,57 unequal: No Solution Exploring Operation: 63+55=118, Resulting Numbers: [118] 118,57 unequal: No Solution Exploring Operation: 63-55=8, Resulting Numbers: [8] 8,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[3, 7, 12], Operations: ['63-51=12'] Exploring Operation: 12/3=4, Resulting Numbers: [7, 4] Generated Node #0,0,0: 57:[7, 4] Operation: 12/3=4 Exploring Operation: 7-3=4, Resulting Numbers: [12, 4] Generated Node #0,0,1: 57:[12, 4] Operation: 7-3=4 Exploring Operation: 12-7=5, Resulting Numbers: [3, 5] Generated Node #0,0,2: 57:[3, 5] Operation: 12-7=5 Exploring Operation: 7+12=19, Resulting Numbers: [3, 19] Generated Node #0,0,3: 57:[3, 19] Operation: 7+12=19 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 57:[3, 19], Operations: ['63-51=12', '7+12=19'] Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[63, 3, 7, 51], Operations: [] Exploring Operation: 63-51=12, Resulting Numbers: [3, 7, 12] Generated Node #0,0: 57:[3, 7, 12] Operation: 63-51=12 Moving to Node #0,0 Current State: 57:[3, 7, 12], Operations: ['63-51=12'] Exploring Operation: 7+12=19, Resulting Numbers: [3, 19] Generated Node #0,0,3: 57:[3, 19] Operation: 7+12=19 Moving to Node #0,0,3 Current State: 57:[3, 19], Operations: ['63-51=12', '7+12=19'] Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.960069
hs_4
sum_heuristic
[ 41, 39, 20, 13 ]
46
[ "41-39=2", "13*2=26", "20+26=46" ]
Current State: 46:[41, 39, 20, 13], Operations: [] Exploring Operation: 41-39=2, Resulting Numbers: [20, 13, 2] Generated Node #2: [20, 13, 2] from Operation: 41-39=2 Current State: 46:[20, 13, 2], Operations: ['41-39=2'] Exploring Operation: 13*2=26, Resulting Numbers: [20, 26] Generated Node #3: [20, 26] from Operation: 13*2=26 Current State: 46:[20, 26], Operations: ['41-39=2', '13*2=26'] Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[41, 39, 20, 13], Operations: [] Exploring Operation: 39-13=26, Resulting Numbers: [41, 20, 26] Generated Node #0,0: 46:[41, 20, 26] Operation: 39-13=26 Exploring Operation: 39/13=3, Resulting Numbers: [41, 20, 3] Generated Node #0,1: 46:[41, 20, 3] Operation: 39/13=3 Exploring Operation: 41-39=2, Resulting Numbers: [20, 13, 2] Generated Node #0,2: 46:[20, 13, 2] Operation: 41-39=2 Exploring Operation: 39+13=52, Resulting Numbers: [41, 20, 52] Generated Node #0,3: 46:[41, 20, 52] Operation: 39+13=52 Exploring Operation: 41-13=28, Resulting Numbers: [39, 20, 28] Generated Node #0,4: 46:[39, 20, 28] Operation: 41-13=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[41, 20, 3], Operations: ['39/13=3'] Exploring Operation: 41-20=21, Resulting Numbers: [3, 21] Generated Node #0,1,0: 46:[3, 21] Operation: 41-20=21 Exploring Operation: 41-3=38, Resulting Numbers: [20, 38] Generated Node #0,1,1: 46:[20, 38] Operation: 41-3=38 Exploring Operation: 20+3=23, Resulting Numbers: [41, 23] Generated Node #0,1,2: 46:[41, 23] Operation: 20+3=23 Exploring Operation: 20-3=17, Resulting Numbers: [41, 17] Generated Node #0,1,3: 46:[41, 17] Operation: 20-3=17 Exploring Operation: 41+3=44, Resulting Numbers: [20, 44] Generated Node #0,1,4: 46:[20, 44] Operation: 41+3=44 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 46:[3, 21], Operations: ['39/13=3', '41-20=21'] Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,46 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 46:[41, 23], Operations: ['39/13=3', '20+3=23'] Exploring Operation: 41+23=64, Resulting Numbers: [64] 64,46 unequal: No Solution Exploring Operation: 41*23=943, Resulting Numbers: [943] 943,46 unequal: No Solution Exploring Operation: 41-23=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 #0,1,4 Current State: 46:[20, 44], Operations: ['39/13=3', '41+3=44'] Exploring Operation: 44-20=24, Resulting Numbers: [24] 24,46 unequal: No Solution Exploring Operation: 20+44=64, Resulting Numbers: [64] 64,46 unequal: No Solution Exploring Operation: 20*44=880, Resulting Numbers: [880] 880,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 46:[20, 38], Operations: ['39/13=3', '41-3=38'] Exploring Operation: 38-20=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 20+38=58, Resulting Numbers: [58] 58,46 unequal: No Solution Exploring Operation: 20*38=760, Resulting Numbers: [760] 760,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 46:[41, 17], Operations: ['39/13=3', '20-3=17'] Exploring Operation: 41*17=697, Resulting Numbers: [697] 697,46 unequal: No Solution Exploring Operation: 41+17=58, Resulting Numbers: [58] 58,46 unequal: No Solution Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[41, 20, 26], Operations: ['39-13=26'] Exploring Operation: 26-20=6, Resulting Numbers: [41, 6] Generated Node #0,0,0: 46:[41, 6] Operation: 26-20=6 Exploring Operation: 41+20=61, Resulting Numbers: [26, 61] Generated Node #0,0,1: 46:[26, 61] Operation: 41+20=61 Exploring Operation: 41-20=21, Resulting Numbers: [26, 21] Generated Node #0,0,2: 46:[26, 21] Operation: 41-20=21 Exploring Operation: 41-26=15, Resulting Numbers: [20, 15] Generated Node #0,0,3: 46:[20, 15] Operation: 41-26=15 Exploring Operation: 20+26=46, Resulting Numbers: [41, 46] Generated Node #0,0,4: 46:[41, 46] Operation: 20+26=46 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 46:[26, 21], Operations: ['39-13=26', '41-20=21'] Exploring Operation: 26+21=47, Resulting Numbers: [47] 47,46 unequal: No Solution Exploring Operation: 26*21=546, Resulting Numbers: [546] 546,46 unequal: No Solution Exploring Operation: 26-21=5, Resulting Numbers: [5] 5,46 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 #0,0,4 Current State: 46:[41, 46], Operations: ['39-13=26', '20+26=46'] Exploring Operation: 41*46=1886, Resulting Numbers: [1886] 1886,46 unequal: No Solution Exploring Operation: 41+46=87, Resulting Numbers: [87] 87,46 unequal: No Solution Exploring Operation: 46-41=5, Resulting Numbers: [5] 5,46 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 #0,0,0 Current State: 46:[41, 6], Operations: ['39-13=26', '26-20=6'] Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,46 unequal: No Solution Exploring Operation: 41*6=246, Resulting Numbers: [246] 246,46 unequal: No Solution Exploring Operation: 41+6=47, Resulting Numbers: [47] 47,46 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:[20, 15], Operations: ['39-13=26', '41-26=15'] Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,46 unequal: No Solution Exploring Operation: 20*15=300, Resulting Numbers: [300] 300,46 unequal: No Solution Exploring Operation: 20+15=35, Resulting Numbers: [35] 35,46 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:[26, 61], Operations: ['39-13=26', '41+20=61'] Exploring Operation: 26+61=87, Resulting Numbers: [87] 87,46 unequal: No Solution Exploring Operation: 61-26=35, Resulting Numbers: [35] 35,46 unequal: No Solution Exploring Operation: 26*61=1586, Resulting Numbers: [1586] 1586,46 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:[20, 13, 2], Operations: ['41-39=2'] Exploring Operation: 20+13=33, Resulting Numbers: [2, 33] Generated Node #0,2,0: 46:[2, 33] Operation: 20+13=33 Exploring Operation: 13+2=15, Resulting Numbers: [20, 15] Generated Node #0,2,1: 46:[20, 15] Operation: 13+2=15 Exploring Operation: 13*2=26, Resulting Numbers: [20, 26] Generated Node #0,2,2: 46:[20, 26] Operation: 13*2=26 Exploring Operation: 20-13=7, Resulting Numbers: [2, 7] Generated Node #0,2,3: 46:[2, 7] Operation: 20-13=7 Exploring Operation: 20+2=22, Resulting Numbers: [13, 22] Generated Node #0,2,4: 46:[13, 22] Operation: 20+2=22 Moving to Node #0,2,3 Current State: 46:[2, 7], Operations: ['41-39=2', '20-13=7'] Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,46 unequal: No Solution Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,46 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,46 unequal: No Solution Moving to Node #0,2,2 Current State: 46:[20, 26], Operations: ['41-39=2', '13*2=26'] Exploring Operation: 20*26=520, Resulting Numbers: [520] 520,46 unequal: No Solution Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[41, 39, 20, 13], Operations: [] Exploring Operation: 41-39=2, Resulting Numbers: [20, 13, 2] Generated Node #0,2: 46:[20, 13, 2] Operation: 41-39=2 Moving to Node #0,2 Current State: 46:[20, 13, 2], Operations: ['41-39=2'] Exploring Operation: 13*2=26, Resulting Numbers: [20, 26] Generated Node #0,2,2: 46:[20, 26] Operation: 13*2=26 Moving to Node #0,2,2 Current State: 46:[20, 26], Operations: ['41-39=2', '13*2=26'] Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.947917
hs_5
sum_heuristic
[ 85, 77, 5, 65 ]
68
[ "85-77=8", "65-5=60", "8+60=68" ]
Current State: 68:[85, 77, 5, 65], Operations: [] Exploring Operation: 85-77=8, Resulting Numbers: [5, 65, 8] Generated Node #2: [5, 65, 8] from Operation: 85-77=8 Current State: 68:[5, 65, 8], Operations: ['85-77=8'] Exploring Operation: 65-5=60, Resulting Numbers: [8, 60] Generated Node #3: [8, 60] from Operation: 65-5=60 Current State: 68:[8, 60], Operations: ['85-77=8', '65-5=60'] Exploring Operation: 8+60=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[85, 77, 5, 65], Operations: [] Exploring Operation: 85-77=8, Resulting Numbers: [5, 65, 8] Generated Node #0,0: 68:[5, 65, 8] Operation: 85-77=8 Exploring Operation: 85-65=20, Resulting Numbers: [77, 5, 20] Generated Node #0,1: 68:[77, 5, 20] Operation: 85-65=20 Exploring Operation: 85/5=17, Resulting Numbers: [77, 65, 17] Generated Node #0,2: 68:[77, 65, 17] Operation: 85/5=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[5, 65, 8], Operations: ['85-77=8'] Exploring Operation: 5+65=70, Resulting Numbers: [8, 70] Generated Node #0,0,0: 68:[8, 70] Operation: 5+65=70 Exploring Operation: 8-5=3, Resulting Numbers: [65, 3] Generated Node #0,0,1: 68:[65, 3] Operation: 8-5=3 Exploring Operation: 65+8=73, Resulting Numbers: [5, 73] Generated Node #0,0,2: 68:[5, 73] Operation: 65+8=73 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 68:[65, 3], Operations: ['85-77=8', '8-5=3'] Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,68 unequal: No Solution Exploring Operation: 65*3=195, Resulting Numbers: [195] 195,68 unequal: No Solution Exploring Operation: 65+3=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[85, 77, 5, 65], Operations: [] Exploring Operation: 85-77=8, Resulting Numbers: [5, 65, 8] Generated Node #0,0: 68:[5, 65, 8] Operation: 85-77=8 Moving to Node #0,0 Current State: 68:[5, 65, 8], Operations: ['85-77=8'] Exploring Operation: 8-5=3, Resulting Numbers: [65, 3] Generated Node #0,0,1: 68:[65, 3] Operation: 8-5=3 Moving to Node #0,0,1 Current State: 68:[65, 3], Operations: ['85-77=8', '8-5=3'] Exploring Operation: 65+3=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 6, 1, 24, 75 ]
79
[ "6*1=6", "24/6=4", "75+4=79" ]
Current State: 79:[6, 1, 24, 75], Operations: [] Exploring Operation: 6*1=6, Resulting Numbers: [24, 75, 6] Generated Node #2: [24, 75, 6] from Operation: 6*1=6 Current State: 79:[24, 75, 6], Operations: ['6*1=6'] Exploring Operation: 24/6=4, Resulting Numbers: [75, 4] Generated Node #3: [75, 4] from Operation: 24/6=4 Current State: 79:[75, 4], Operations: ['6*1=6', '24/6=4'] Exploring Operation: 75+4=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[6, 1, 24, 75], Operations: [] Exploring Operation: 6+1=7, Resulting Numbers: [24, 75, 7] Generated Node #0,0: 79:[24, 75, 7] Operation: 6+1=7 Moving to Node #0,0 Current State: 79:[24, 75, 7], Operations: ['6+1=7'] Exploring Operation: 24+7=31, Resulting Numbers: [75, 31] Generated Node #0,0,0: 79:[75, 31] Operation: 24+7=31 Moving to Node #0,0,0 Current State: 79:[75, 31], Operations: ['6+1=7', '24+7=31'] Exploring Operation: 75+31=106, Resulting Numbers: [106] 106,79 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 32, 27, 21, 52 ]
78
[ "32-27=5", "21+52=73", "5+73=78" ]
Current State: 78:[32, 27, 21, 52], Operations: [] Exploring Operation: 32-27=5, Resulting Numbers: [21, 52, 5] Generated Node #2: [21, 52, 5] from Operation: 32-27=5 Current State: 78:[21, 52, 5], Operations: ['32-27=5'] Exploring Operation: 21+52=73, Resulting Numbers: [5, 73] Generated Node #3: [5, 73] from Operation: 21+52=73 Current State: 78:[5, 73], Operations: ['32-27=5', '21+52=73'] Exploring Operation: 5+73=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[32, 27, 21, 52], Operations: [] Exploring Operation: 52-27=25, Resulting Numbers: [32, 21, 25] Generated Node #0,0: 78:[32, 21, 25] Operation: 52-27=25 Exploring Operation: 32+52=84, Resulting Numbers: [27, 21, 84] Generated Node #0,1: 78:[27, 21, 84] Operation: 32+52=84 Exploring Operation: 27+52=79, Resulting Numbers: [32, 21, 79] Generated Node #0,2: 78:[32, 21, 79] Operation: 27+52=79 Exploring Operation: 52-32=20, Resulting Numbers: [27, 21, 20] Generated Node #0,3: 78:[27, 21, 20] Operation: 52-32=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[32, 21, 25], Operations: ['52-27=25'] Exploring Operation: 32-21=11, Resulting Numbers: [25, 11] Generated Node #0,0,0: 78:[25, 11] Operation: 32-21=11 Exploring Operation: 25-21=4, Resulting Numbers: [32, 4] Generated Node #0,0,1: 78:[32, 4] Operation: 25-21=4 Exploring Operation: 21+25=46, Resulting Numbers: [32, 46] Generated Node #0,0,2: 78:[32, 46] Operation: 21+25=46 Exploring Operation: 32-25=7, Resulting Numbers: [21, 7] Generated Node #0,0,3: 78:[21, 7] Operation: 32-25=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 78:[25, 11], Operations: ['52-27=25', '32-21=11'] Exploring Operation: 25+11=36, Resulting Numbers: [36] 36,78 unequal: No Solution Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,78 unequal: No Solution Exploring Operation: 25*11=275, Resulting Numbers: [275] 275,78 unequal: No Solution No 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: 78:[21, 7], Operations: ['52-27=25', '32-25=7'] Exploring Operation: 21+7=28, Resulting Numbers: [28] 28,78 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,78 unequal: No Solution Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,78 unequal: No Solution Exploring Operation: 21*7=147, Resulting Numbers: [147] 147,78 unequal: No Solution No 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: 78:[32, 4], Operations: ['52-27=25', '25-21=4'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,78 unequal: No Solution Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,78 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,78 unequal: No Solution Exploring Operation: 32*4=128, Resulting Numbers: [128] 128,78 unequal: No Solution No 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: 78:[32, 46], Operations: ['52-27=25', '21+25=46'] Exploring Operation: 32+46=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[32, 27, 21, 52], Operations: [] Exploring Operation: 52-27=25, Resulting Numbers: [32, 21, 25] Generated Node #0,0: 78:[32, 21, 25] Operation: 52-27=25 Moving to Node #0,0 Current State: 78:[32, 21, 25], Operations: ['52-27=25'] Exploring Operation: 21+25=46, Resulting Numbers: [32, 46] Generated Node #0,0,2: 78:[32, 46] Operation: 21+25=46 Moving to Node #0,0,2 Current State: 78:[32, 46], Operations: ['52-27=25', '21+25=46'] Exploring Operation: 32+46=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_4
mult_heuristic
[ 54, 31, 28, 4 ]
73
[ "54-28=26", "4*26=104", "104-31=73" ]
Current State: 73:[54, 31, 28, 4], Operations: [] Exploring Operation: 54-28=26, Resulting Numbers: [31, 4, 26] Generated Node #2: [31, 4, 26] from Operation: 54-28=26 Current State: 73:[31, 4, 26], Operations: ['54-28=26'] Exploring Operation: 4*26=104, Resulting Numbers: [31, 104] Generated Node #3: [31, 104] from Operation: 4*26=104 Current State: 73:[31, 104], Operations: ['54-28=26', '4*26=104'] Exploring Operation: 104-31=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[54, 31, 28, 4], Operations: [] Exploring Operation: 54+4=58, Resulting Numbers: [31, 28, 58] Generated Node #0,0: 73:[31, 28, 58] Operation: 54+4=58 Exploring Operation: 31+28=59, Resulting Numbers: [54, 4, 59] Generated Node #0,1: 73:[54, 4, 59] Operation: 31+28=59 Exploring Operation: 31+4=35, Resulting Numbers: [54, 28, 35] Generated Node #0,2: 73:[54, 28, 35] Operation: 31+4=35 Exploring Operation: 28*4=112, Resulting Numbers: [54, 31, 112] Generated Node #0,3: 73:[54, 31, 112] Operation: 28*4=112 Moving to Node #0,3 Current State: 73:[54, 31, 112], Operations: ['28*4=112'] Exploring Operation: 112-54=58, Resulting Numbers: [31, 58] Generated Node #0,3,0: 73:[31, 58] Operation: 112-54=58 Exploring Operation: 112-31=81, Resulting Numbers: [54, 81] Generated Node #0,3,1: 73:[54, 81] Operation: 112-31=81 Exploring Operation: 54-31=23, Resulting Numbers: [112, 23] Generated Node #0,3,2: 73:[112, 23] Operation: 54-31=23 Exploring Operation: 54+31=85, Resulting Numbers: [112, 85] Generated Node #0,3,3: 73:[112, 85] Operation: 54+31=85 Moving to Node #0,1 Current State: 73:[54, 4, 59], Operations: ['31+28=59'] Exploring Operation: 59-4=55, Resulting Numbers: [54, 55] Generated Node #0,1,0: 73:[54, 55] Operation: 59-4=55 Exploring Operation: 54+4=58, Resulting Numbers: [59, 58] Generated Node #0,1,1: 73:[59, 58] Operation: 54+4=58 Exploring Operation: 4+59=63, Resulting Numbers: [54, 63] Generated Node #0,1,2: 73:[54, 63] Operation: 4+59=63 Exploring Operation: 54-4=50, Resulting Numbers: [59, 50] Generated Node #0,1,3: 73:[59, 50] Operation: 54-4=50 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[59, 58], Operations: ['31+28=59', '54+4=58'] Exploring Operation: 59+58=117, Resulting Numbers: [117] 117,73 unequal: No Solution Exploring Operation: 59-58=1, Resulting Numbers: [1] 1,73 unequal: No Solution Exploring Operation: 59*58=3422, Resulting Numbers: [3422] 3422,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 73:[54, 63], Operations: ['31+28=59', '4+59=63'] Exploring Operation: 54*63=3402, Resulting Numbers: [3402] 3402,73 unequal: No Solution Exploring Operation: 63-54=9, Resulting Numbers: [9] 9,73 unequal: No Solution Exploring Operation: 54+63=117, Resulting Numbers: [117] 117,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[54, 55], Operations: ['31+28=59', '59-4=55'] Exploring Operation: 54+55=109, Resulting Numbers: [109] 109,73 unequal: No Solution Exploring Operation: 55-54=1, Resulting Numbers: [1] 1,73 unequal: No Solution Exploring Operation: 54*55=2970, Resulting Numbers: [2970] 2970,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 73:[59, 50], Operations: ['31+28=59', '54-4=50'] Exploring Operation: 59-50=9, Resulting Numbers: [9] 9,73 unequal: No Solution Exploring Operation: 59*50=2950, Resulting Numbers: [2950] 2950,73 unequal: No Solution Exploring Operation: 59+50=109, Resulting Numbers: [109] 109,73 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: 73:[31, 28, 58], Operations: ['54+4=58'] Exploring Operation: 31-28=3, Resulting Numbers: [58, 3] Generated Node #0,0,0: 73:[58, 3] Operation: 31-28=3 Exploring Operation: 28+58=86, Resulting Numbers: [31, 86] Generated Node #0,0,1: 73:[31, 86] Operation: 28+58=86 Exploring Operation: 31+28=59, Resulting Numbers: [58, 59] Generated Node #0,0,2: 73:[58, 59] Operation: 31+28=59 Exploring Operation: 31+58=89, Resulting Numbers: [28, 89] Generated Node #0,0,3: 73:[28, 89] Operation: 31+58=89 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 73:[58, 59], Operations: ['54+4=58', '31+28=59'] Exploring Operation: 58*59=3422, Resulting Numbers: [3422] 3422,73 unequal: No Solution Exploring Operation: 59-58=1, Resulting Numbers: [1] 1,73 unequal: No Solution Exploring Operation: 58+59=117, Resulting Numbers: [117] 117,73 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 #0,0,1 Current State: 73:[31, 86], Operations: ['54+4=58', '28+58=86'] Exploring Operation: 86-31=55, Resulting Numbers: [55] 55,73 unequal: No Solution Exploring Operation: 31*86=2666, Resulting Numbers: [2666] 2666,73 unequal: No Solution Exploring Operation: 31+86=117, Resulting Numbers: [117] 117,73 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 #0,0,3 Current State: 73:[28, 89], Operations: ['54+4=58', '31+58=89'] Exploring Operation: 28*89=2492, Resulting Numbers: [2492] 2492,73 unequal: No Solution Exploring Operation: 89-28=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 28+89=117, Resulting Numbers: [117] 117,73 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 #0,0,0 Current State: 73:[58, 3], Operations: ['54+4=58', '31-28=3'] Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,73 unequal: No Solution Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,73 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: 73:[54, 28, 35], Operations: ['31+4=35'] Exploring Operation: 54-28=26, Resulting Numbers: [35, 26] Generated Node #0,2,0: 73:[35, 26] Operation: 54-28=26 Exploring Operation: 54+28=82, Resulting Numbers: [35, 82] Generated Node #0,2,1: 73:[35, 82] Operation: 54+28=82 Exploring Operation: 54+35=89, Resulting Numbers: [28, 89] Generated Node #0,2,2: 73:[28, 89] Operation: 54+35=89 Exploring Operation: 28+35=63, Resulting Numbers: [54, 63] Generated Node #0,2,3: 73:[54, 63] Operation: 28+35=63 Moving to Node #0,3,1 Current State: 73:[54, 81], Operations: ['28*4=112', '112-31=81'] Exploring Operation: 54+81=135, Resulting Numbers: [135] 135,73 unequal: No Solution Exploring Operation: 81-54=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 54*81=4374, Resulting Numbers: [4374] 4374,73 unequal: No Solution Moving to Node #0,2,3 Current State: 73:[54, 63], Operations: ['31+4=35', '28+35=63'] Exploring Operation: 54+63=117, Resulting Numbers: [117] 117,73 unequal: No Solution Exploring Operation: 54*63=3402, Resulting Numbers: [3402] 3402,73 unequal: No Solution Exploring Operation: 63-54=9, Resulting Numbers: [9] 9,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[35, 82], Operations: ['31+4=35', '54+28=82'] Exploring Operation: 35*82=2870, Resulting Numbers: [2870] 2870,73 unequal: No Solution Exploring Operation: 35+82=117, Resulting Numbers: [117] 117,73 unequal: No Solution Exploring Operation: 82-35=47, Resulting Numbers: [47] 47,73 unequal: No Solution Moving to Node #0,3,3 Current State: 73:[112, 85], Operations: ['28*4=112', '54+31=85'] Exploring Operation: 112-85=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 112+85=197, Resulting Numbers: [197] 197,73 unequal: No Solution Exploring Operation: 112*85=9520, Resulting Numbers: [9520] 9520,73 unequal: No Solution Moving to Node #0,3,0 Current State: 73:[31, 58], Operations: ['28*4=112', '112-54=58'] Exploring Operation: 58-31=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 31*58=1798, Resulting Numbers: [1798] 1798,73 unequal: No Solution Exploring Operation: 31+58=89, Resulting Numbers: [89] 89,73 unequal: No Solution Moving to Node #0,2,2 Current State: 73:[28, 89], Operations: ['31+4=35', '54+35=89'] Exploring Operation: 28+89=117, Resulting Numbers: [117] 117,73 unequal: No Solution Exploring Operation: 89-28=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 28*89=2492, Resulting Numbers: [2492] 2492,73 unequal: No Solution Moving to Node #0,2,0 Current State: 73:[35, 26], Operations: ['31+4=35', '54-28=26'] Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,73 unequal: No Solution Exploring Operation: 35+26=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 35*26=910, Resulting Numbers: [910] 910,73 unequal: No Solution Moving to Node #0,3,2 Current State: 73:[112, 23], Operations: ['28*4=112', '54-31=23'] Exploring Operation: 112*23=2576, Resulting Numbers: [2576] 2576,73 unequal: No Solution Exploring Operation: 112+23=135, Resulting Numbers: [135] 135,73 unequal: No Solution Exploring Operation: 112-23=89, Resulting Numbers: [89] 89,73 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 64, 9, 37, 79 ]
76
[ "64-37=27", "27/9=3", "79-3=76" ]
Current State: 76:[64, 9, 37, 79], Operations: [] Exploring Operation: 64-37=27, Resulting Numbers: [9, 79, 27] Generated Node #2: [9, 79, 27] from Operation: 64-37=27 Current State: 76:[9, 79, 27], Operations: ['64-37=27'] Exploring Operation: 27/9=3, Resulting Numbers: [79, 3] Generated Node #3: [79, 3] from Operation: 27/9=3 Current State: 76:[79, 3], Operations: ['64-37=27', '27/9=3'] Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[64, 9, 37, 79], Operations: [] Exploring Operation: 64-37=27, Resulting Numbers: [9, 79, 27] Generated Node #0,0: 76:[9, 79, 27] Operation: 64-37=27 Exploring Operation: 79-9=70, Resulting Numbers: [64, 37, 70] Generated Node #0,1: 76:[64, 37, 70] Operation: 79-9=70 Exploring Operation: 64+9=73, Resulting Numbers: [37, 79, 73] Generated Node #0,2: 76:[37, 79, 73] Operation: 64+9=73 Exploring Operation: 64-9=55, Resulting Numbers: [37, 79, 55] Generated Node #0,3: 76:[37, 79, 55] Operation: 64-9=55 Exploring Operation: 79-64=15, Resulting Numbers: [9, 37, 15] Generated Node #0,4: 76:[9, 37, 15] Operation: 79-64=15 Moving to Node #0,2 Current State: 76:[37, 79, 73], Operations: ['64+9=73'] Exploring Operation: 37+73=110, Resulting Numbers: [79, 110] Generated Node #0,2,0: 76:[79, 110] Operation: 37+73=110 Exploring Operation: 79-73=6, Resulting Numbers: [37, 6] Generated Node #0,2,1: 76:[37, 6] Operation: 79-73=6 Exploring Operation: 79-37=42, Resulting Numbers: [73, 42] Generated Node #0,2,2: 76:[73, 42] Operation: 79-37=42 Exploring Operation: 37+79=116, Resulting Numbers: [73, 116] Generated Node #0,2,3: 76:[73, 116] Operation: 37+79=116 Exploring Operation: 73-37=36, Resulting Numbers: [79, 36] Generated Node #0,2,4: 76:[79, 36] Operation: 73-37=36 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 76:[37, 6], Operations: ['64+9=73', '79-73=6'] Exploring Operation: 37+6=43, Resulting Numbers: [43] 43,76 unequal: No Solution Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 37*6=222, Resulting Numbers: [222] 222,76 unequal: No Solution No 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: 76:[79, 36], Operations: ['64+9=73', '73-37=36'] Exploring Operation: 79+36=115, Resulting Numbers: [115] 115,76 unequal: No Solution Exploring Operation: 79-36=43, Resulting Numbers: [43] 43,76 unequal: No Solution Exploring Operation: 79*36=2844, Resulting Numbers: [2844] 2844,76 unequal: No Solution No 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: 76:[73, 42], Operations: ['64+9=73', '79-37=42'] Exploring Operation: 73+42=115, Resulting Numbers: [115] 115,76 unequal: No Solution Exploring Operation: 73-42=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 73*42=3066, Resulting Numbers: [3066] 3066,76 unequal: No Solution No 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: 76:[79, 110], Operations: ['64+9=73', '37+73=110'] Exploring Operation: 79*110=8690, Resulting Numbers: [8690] 8690,76 unequal: No Solution Exploring Operation: 110-79=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 79+110=189, Resulting Numbers: [189] 189,76 unequal: No Solution No 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: 76:[73, 116], Operations: ['64+9=73', '37+79=116'] Exploring Operation: 116-73=43, Resulting Numbers: [43] 43,76 unequal: No Solution Exploring Operation: 73*116=8468, Resulting Numbers: [8468] 8468,76 unequal: No Solution Exploring Operation: 73+116=189, Resulting Numbers: [189] 189,76 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: 76:[9, 37, 15], Operations: ['79-64=15'] Exploring Operation: 37-9=28, Resulting Numbers: [15, 28] Generated Node #0,4,0: 76:[15, 28] Operation: 37-9=28 Exploring Operation: 9+37=46, Resulting Numbers: [15, 46] Generated Node #0,4,1: 76:[15, 46] Operation: 9+37=46 Exploring Operation: 37-15=22, Resulting Numbers: [9, 22] Generated Node #0,4,2: 76:[9, 22] Operation: 37-15=22 Exploring Operation: 15-9=6, Resulting Numbers: [37, 6] Generated Node #0,4,3: 76:[37, 6] Operation: 15-9=6 Exploring Operation: 9+15=24, Resulting Numbers: [37, 24] Generated Node #0,4,4: 76:[37, 24] Operation: 9+15=24 Moving to Node #0,0 Current State: 76:[9, 79, 27], Operations: ['64-37=27'] Exploring Operation: 27-9=18, Resulting Numbers: [79, 18] Generated Node #0,0,0: 76:[79, 18] Operation: 27-9=18 Exploring Operation: 79-27=52, Resulting Numbers: [9, 52] Generated Node #0,0,1: 76:[9, 52] Operation: 79-27=52 Exploring Operation: 9+27=36, Resulting Numbers: [79, 36] Generated Node #0,0,2: 76:[79, 36] Operation: 9+27=36 Exploring Operation: 79-9=70, Resulting Numbers: [27, 70] Generated Node #0,0,3: 76:[27, 70] Operation: 79-9=70 Exploring Operation: 27/9=3, Resulting Numbers: [79, 3] Generated Node #0,0,4: 76:[79, 3] Operation: 27/9=3 Moving to Node #0,1 Current State: 76:[64, 37, 70], Operations: ['79-9=70'] Exploring Operation: 37+70=107, Resulting Numbers: [64, 107] Generated Node #0,1,0: 76:[64, 107] Operation: 37+70=107 Exploring Operation: 70-37=33, Resulting Numbers: [64, 33] Generated Node #0,1,1: 76:[64, 33] Operation: 70-37=33 Exploring Operation: 70-64=6, Resulting Numbers: [37, 6] Generated Node #0,1,2: 76:[37, 6] Operation: 70-64=6 Exploring Operation: 64-37=27, Resulting Numbers: [70, 27] Generated Node #0,1,3: 76:[70, 27] Operation: 64-37=27 Exploring Operation: 64+37=101, Resulting Numbers: [70, 101] Generated Node #0,1,4: 76:[70, 101] Operation: 64+37=101 Moving to Node #0,3 Current State: 76:[37, 79, 55], Operations: ['64-9=55'] Exploring Operation: 55-37=18, Resulting Numbers: [79, 18] Generated Node #0,3,0: 76:[79, 18] Operation: 55-37=18 Exploring Operation: 79-37=42, Resulting Numbers: [55, 42] Generated Node #0,3,1: 76:[55, 42] Operation: 79-37=42 Exploring Operation: 37+55=92, Resulting Numbers: [79, 92] Generated Node #0,3,2: 76:[79, 92] Operation: 37+55=92 Exploring Operation: 37+79=116, Resulting Numbers: [55, 116] Generated Node #0,3,3: 76:[55, 116] Operation: 37+79=116 Exploring Operation: 79-55=24, Resulting Numbers: [37, 24] Generated Node #0,3,4: 76:[37, 24] Operation: 79-55=24 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 76:[79, 18], Operations: ['64-9=55', '55-37=18'] Exploring Operation: 79+18=97, Resulting Numbers: [97] 97,76 unequal: No Solution Exploring Operation: 79-18=61, Resulting Numbers: [61] 61,76 unequal: No Solution Exploring Operation: 79*18=1422, Resulting Numbers: [1422] 1422,76 unequal: No Solution No 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: 76:[37, 24], Operations: ['64-9=55', '79-55=24'] Exploring Operation: 37+24=61, Resulting Numbers: [61] 61,76 unequal: No Solution Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 37*24=888, Resulting Numbers: [888] 888,76 unequal: No Solution No 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: 76:[79, 92], Operations: ['64-9=55', '37+55=92'] Exploring Operation: 79+92=171, Resulting Numbers: [171] 171,76 unequal: No Solution Exploring Operation: 79*92=7268, Resulting Numbers: [7268] 7268,76 unequal: No Solution Exploring Operation: 92-79=13, Resulting Numbers: [13] 13,76 unequal: No Solution No 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: 76:[55, 42], Operations: ['64-9=55', '79-37=42'] Exploring Operation: 55*42=2310, Resulting Numbers: [2310] 2310,76 unequal: No Solution Exploring Operation: 55-42=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 55+42=97, Resulting Numbers: [97] 97,76 unequal: No Solution No 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: 76:[55, 116], Operations: ['64-9=55', '37+79=116'] Exploring Operation: 55+116=171, Resulting Numbers: [171] 171,76 unequal: No Solution Exploring Operation: 116-55=61, Resulting Numbers: [61] 61,76 unequal: No Solution Exploring Operation: 55*116=6380, Resulting Numbers: [6380] 6380,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,3 Current State: 76:[37, 6], Operations: ['79-64=15', '15-9=6'] Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 37*6=222, Resulting Numbers: [222] 222,76 unequal: No Solution Exploring Operation: 37+6=43, Resulting Numbers: [43] 43,76 unequal: No Solution Moving to Node #0,1,2 Current State: 76:[37, 6], Operations: ['79-9=70', '70-64=6'] Exploring Operation: 37*6=222, Resulting Numbers: [222] 222,76 unequal: No Solution Exploring Operation: 37+6=43, Resulting Numbers: [43] 43,76 unequal: No Solution Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[79, 18], Operations: ['64-37=27', '27-9=18'] Exploring Operation: 79+18=97, Resulting Numbers: [97] 97,76 unequal: No Solution Exploring Operation: 79-18=61, Resulting Numbers: [61] 61,76 unequal: No Solution Exploring Operation: 79*18=1422, Resulting Numbers: [1422] 1422,76 unequal: No Solution Moving to Node #0,0,4 Current State: 76:[79, 3], Operations: ['64-37=27', '27/9=3'] Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,76 unequal: No Solution Exploring Operation: 79*3=237, Resulting Numbers: [237] 237,76 unequal: No Solution Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[64, 9, 37, 79], Operations: [] Exploring Operation: 64-37=27, Resulting Numbers: [9, 79, 27] Generated Node #0,0: 76:[9, 79, 27] Operation: 64-37=27 Moving to Node #0,0 Current State: 76:[9, 79, 27], Operations: ['64-37=27'] Exploring Operation: 27/9=3, Resulting Numbers: [79, 3] Generated Node #0,0,4: 76:[79, 3] Operation: 27/9=3 Moving to Node #0,0,4 Current State: 76:[79, 3], Operations: ['64-37=27', '27/9=3'] Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
0.934028
hs_5
sum_heuristic
[ 55, 52, 39, 8 ]
93
[ "55-52=3", "39-8=31", "3*31=93" ]
Current State: 93:[55, 52, 39, 8], Operations: [] Exploring Operation: 55-52=3, Resulting Numbers: [39, 8, 3] Generated Node #2: [39, 8, 3] from Operation: 55-52=3 Current State: 93:[39, 8, 3], Operations: ['55-52=3'] Exploring Operation: 39-8=31, Resulting Numbers: [3, 31] Generated Node #3: [3, 31] from Operation: 39-8=31 Current State: 93:[3, 31], Operations: ['55-52=3', '39-8=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[55, 52, 39, 8], Operations: [] Exploring Operation: 55-39=16, Resulting Numbers: [52, 8, 16] Generated Node #0,0: 93:[52, 8, 16] Operation: 55-39=16 Exploring Operation: 55-52=3, Resulting Numbers: [39, 8, 3] Generated Node #0,1: 93:[39, 8, 3] Operation: 55-52=3 Exploring Operation: 55+52=107, Resulting Numbers: [39, 8, 107] Generated Node #0,2: 93:[39, 8, 107] Operation: 55+52=107 Exploring Operation: 52+39=91, Resulting Numbers: [55, 8, 91] Generated Node #0,3: 93:[55, 8, 91] Operation: 52+39=91 Exploring Operation: 55+39=94, Resulting Numbers: [52, 8, 94] Generated Node #0,4: 93:[52, 8, 94] Operation: 55+39=94 Moving to Node #0,1 Current State: 93:[39, 8, 3], Operations: ['55-52=3'] Exploring Operation: 8*3=24, Resulting Numbers: [39, 24] Generated Node #0,1,0: 93:[39, 24] Operation: 8*3=24 Exploring Operation: 39/3=13, Resulting Numbers: [8, 13] Generated Node #0,1,1: 93:[8, 13] Operation: 39/3=13 Exploring Operation: 39-3=36, Resulting Numbers: [8, 36] Generated Node #0,1,2: 93:[8, 36] Operation: 39-3=36 Exploring Operation: 39-8=31, Resulting Numbers: [3, 31] Generated Node #0,1,3: 93:[3, 31] Operation: 39-8=31 Exploring Operation: 8-3=5, Resulting Numbers: [39, 5] Generated Node #0,1,4: 93:[39, 5] Operation: 8-3=5 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 93:[3, 31], Operations: ['55-52=3', '39-8=31'] Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,93 unequal: No Solution Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[55, 52, 39, 8], Operations: [] Exploring Operation: 55-52=3, Resulting Numbers: [39, 8, 3] Generated Node #0,1: 93:[39, 8, 3] Operation: 55-52=3 Moving to Node #0,1 Current State: 93:[39, 8, 3], Operations: ['55-52=3'] Exploring Operation: 39-8=31, Resulting Numbers: [3, 31] Generated Node #0,1,3: 93:[3, 31] Operation: 39-8=31 Moving to Node #0,1,3 Current State: 93:[3, 31], Operations: ['55-52=3', '39-8=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 44, 86, 84, 30 ]
60
[ "86-44=42", "84*30=2520", "2520/42=60" ]
Current State: 60:[44, 86, 84, 30], Operations: [] Exploring Operation: 86-44=42, Resulting Numbers: [84, 30, 42] Generated Node #2: [84, 30, 42] from Operation: 86-44=42 Current State: 60:[84, 30, 42], Operations: ['86-44=42'] Exploring Operation: 84*30=2520, Resulting Numbers: [42, 2520] Generated Node #3: [42, 2520] from Operation: 84*30=2520 Current State: 60:[42, 2520], Operations: ['86-44=42', '84*30=2520'] Exploring Operation: 2520/42=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[44, 86, 84, 30], Operations: [] Exploring Operation: 86-84=2, Resulting Numbers: [44, 30, 2] Generated Node #0,0: 60:[44, 30, 2] Operation: 86-84=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[44, 30, 2], Operations: ['86-84=2'] Exploring Operation: 44-30=14, Resulting Numbers: [2, 14] Generated Node #0,0,0: 60:[2, 14] Operation: 44-30=14 Moving to Node #0,0,0 Current State: 60:[2, 14], Operations: ['86-84=2', '44-30=14'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,60 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
[ 76, 93, 57, 59 ]
59
[ "93+59=152", "152/76=2", "57+2=59" ]
Current State: 59:[76, 93, 57, 59], Operations: [] Exploring Operation: 93+59=152, Resulting Numbers: [76, 57, 152] Generated Node #2: [76, 57, 152] from Operation: 93+59=152 Current State: 59:[76, 57, 152], Operations: ['93+59=152'] Exploring Operation: 152/76=2, Resulting Numbers: [57, 2] Generated Node #3: [57, 2] from Operation: 152/76=2 Current State: 59:[57, 2], Operations: ['93+59=152', '152/76=2'] Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[76, 93, 57, 59], Operations: [] Exploring Operation: 93-76=17, Resulting Numbers: [57, 59, 17] Generated Node #0,0: 59:[57, 59, 17] Operation: 93-76=17 Exploring Operation: 76-59=17, Resulting Numbers: [93, 57, 17] Generated Node #0,1: 59:[93, 57, 17] Operation: 76-59=17 Exploring Operation: 93-59=34, Resulting Numbers: [76, 57, 34] Generated Node #0,2: 59:[76, 57, 34] Operation: 93-59=34 Exploring Operation: 93-57=36, Resulting Numbers: [76, 59, 36] Generated Node #0,3: 59:[76, 59, 36] Operation: 93-57=36 Exploring Operation: 76-57=19, Resulting Numbers: [93, 59, 19] Generated Node #0,4: 59:[93, 59, 19] Operation: 76-57=19 Start Sub Search at level 1: Moving to Node #0,3 Current State: 59:[76, 59, 36], Operations: ['93-57=36'] Exploring Operation: 76-36=40, Resulting Numbers: [59, 40] Generated Node #0,3,0: 59:[59, 40] Operation: 76-36=40 Exploring Operation: 59+36=95, Resulting Numbers: [76, 95] Generated Node #0,3,1: 59:[76, 95] Operation: 59+36=95 Exploring Operation: 76+36=112, Resulting Numbers: [59, 112] Generated Node #0,3,2: 59:[59, 112] Operation: 76+36=112 Exploring Operation: 76-59=17, Resulting Numbers: [36, 17] Generated Node #0,3,3: 59:[36, 17] Operation: 76-59=17 Exploring Operation: 59-36=23, Resulting Numbers: [76, 23] Generated Node #0,3,4: 59:[76, 23] Operation: 59-36=23 Moving to Node #0,3,0 Current State: 59:[59, 40], Operations: ['93-57=36', '76-36=40'] Exploring Operation: 59*40=2360, Resulting Numbers: [2360] 2360,59 unequal: No Solution Exploring Operation: 59+40=99, Resulting Numbers: [99] 99,59 unequal: No Solution Exploring Operation: 59-40=19, Resulting Numbers: [19] 19,59 unequal: No Solution Moving to Node #0,3,2 Current State: 59:[59, 112], Operations: ['93-57=36', '76+36=112'] Exploring Operation: 59*112=6608, Resulting Numbers: [6608] 6608,59 unequal: No Solution Exploring Operation: 59+112=171, Resulting Numbers: [171] 171,59 unequal: No Solution Exploring Operation: 112-59=53, Resulting Numbers: [53] 53,59 unequal: No Solution Moving to Node #0,3,1 Current State: 59:[76, 95], Operations: ['93-57=36', '59+36=95'] Exploring Operation: 76*95=7220, Resulting Numbers: [7220] 7220,59 unequal: No Solution Exploring Operation: 76+95=171, Resulting Numbers: [171] 171,59 unequal: No Solution Exploring Operation: 95-76=19, Resulting Numbers: [19] 19,59 unequal: No Solution Moving to Node #0,3,4 Current State: 59:[76, 23], Operations: ['93-57=36', '59-36=23'] Exploring Operation: 76*23=1748, Resulting Numbers: [1748] 1748,59 unequal: No Solution Exploring Operation: 76+23=99, Resulting Numbers: [99] 99,59 unequal: No Solution Exploring Operation: 76-23=53, Resulting Numbers: [53] 53,59 unequal: No Solution Moving to Node #0,3,3 Current State: 59:[36, 17], Operations: ['93-57=36', '76-59=17'] Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,59 unequal: No Solution Exploring Operation: 36*17=612, Resulting Numbers: [612] 612,59 unequal: No Solution Exploring Operation: 36+17=53, Resulting Numbers: [53] 53,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[57, 59, 17], Operations: ['93-76=17'] Exploring Operation: 59+17=76, Resulting Numbers: [57, 76] Generated Node #0,0,0: 59:[57, 76] Operation: 59+17=76 Exploring Operation: 59-17=42, Resulting Numbers: [57, 42] Generated Node #0,0,1: 59:[57, 42] Operation: 59-17=42 Exploring Operation: 57+17=74, Resulting Numbers: [59, 74] Generated Node #0,0,2: 59:[59, 74] Operation: 57+17=74 Exploring Operation: 57-17=40, Resulting Numbers: [59, 40] Generated Node #0,0,3: 59:[59, 40] Operation: 57-17=40 Exploring Operation: 57+59=116, Resulting Numbers: [17, 116] Generated Node #0,0,4: 59:[17, 116] Operation: 57+59=116 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 59:[59, 74], Operations: ['93-76=17', '57+17=74'] Exploring Operation: 59+74=133, Resulting Numbers: [133] 133,59 unequal: No Solution Exploring Operation: 59*74=4366, Resulting Numbers: [4366] 4366,59 unequal: No Solution Exploring Operation: 74-59=15, Resulting Numbers: [15] 15,59 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:[57, 76], Operations: ['93-76=17', '59+17=76'] Exploring Operation: 57*76=4332, Resulting Numbers: [4332] 4332,59 unequal: No Solution Exploring Operation: 76-57=19, Resulting Numbers: [19] 19,59 unequal: No Solution Exploring Operation: 57+76=133, Resulting Numbers: [133] 133,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 59:[57, 42], Operations: ['93-76=17', '59-17=42'] Exploring Operation: 57-42=15, Resulting Numbers: [15] 15,59 unequal: No Solution Exploring Operation: 57*42=2394, Resulting Numbers: [2394] 2394,59 unequal: No Solution Exploring Operation: 57+42=99, Resulting Numbers: [99] 99,59 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 #0,0,3 Current State: 59:[59, 40], Operations: ['93-76=17', '57-17=40'] Exploring Operation: 59+40=99, Resulting Numbers: [99] 99,59 unequal: No Solution Exploring Operation: 59-40=19, Resulting Numbers: [19] 19,59 unequal: No Solution Exploring Operation: 59*40=2360, Resulting Numbers: [2360] 2360,59 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 #0,0,4 Current State: 59:[17, 116], Operations: ['93-76=17', '57+59=116'] Exploring Operation: 17+116=133, Resulting Numbers: [133] 133,59 unequal: No Solution Exploring Operation: 116-17=99, Resulting Numbers: [99] 99,59 unequal: No Solution Exploring Operation: 17*116=1972, Resulting Numbers: [1972] 1972,59 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 #0,2 Current State: 59:[76, 57, 34], Operations: ['93-59=34'] Exploring Operation: 76-34=42, Resulting Numbers: [57, 42] Generated Node #0,2,0: 59:[57, 42] Operation: 76-34=42 Exploring Operation: 57-34=23, Resulting Numbers: [76, 23] Generated Node #0,2,1: 59:[76, 23] Operation: 57-34=23 Exploring Operation: 57+34=91, Resulting Numbers: [76, 91] Generated Node #0,2,2: 59:[76, 91] Operation: 57+34=91 Exploring Operation: 76-57=19, Resulting Numbers: [34, 19] Generated Node #0,2,3: 59:[34, 19] Operation: 76-57=19 Exploring Operation: 76+34=110, Resulting Numbers: [57, 110] Generated Node #0,2,4: 59:[57, 110] Operation: 76+34=110 Moving to Node #0,2,0 Current State: 59:[57, 42], Operations: ['93-59=34', '76-34=42'] Exploring Operation: 57*42=2394, Resulting Numbers: [2394] 2394,59 unequal: No Solution Exploring Operation: 57+42=99, Resulting Numbers: [99] 99,59 unequal: No Solution Exploring Operation: 57-42=15, Resulting Numbers: [15] 15,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[76, 91], Operations: ['93-59=34', '57+34=91'] Exploring Operation: 76+91=167, Resulting Numbers: [167] 167,59 unequal: No Solution Exploring Operation: 76*91=6916, Resulting Numbers: [6916] 6916,59 unequal: No Solution Exploring Operation: 91-76=15, Resulting Numbers: [15] 15,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[76, 23], Operations: ['93-59=34', '57-34=23'] Exploring Operation: 76*23=1748, Resulting Numbers: [1748] 1748,59 unequal: No Solution Exploring Operation: 76+23=99, Resulting Numbers: [99] 99,59 unequal: No Solution Exploring Operation: 76-23=53, Resulting Numbers: [53] 53,59 unequal: No Solution Moving to Node #0,2,4 Current State: 59:[57, 110], Operations: ['93-59=34', '76+34=110'] Exploring Operation: 57+110=167, Resulting Numbers: [167] 167,59 unequal: No Solution Exploring Operation: 57*110=6270, Resulting Numbers: [6270] 6270,59 unequal: No Solution Exploring Operation: 110-57=53, Resulting Numbers: [53] 53,59 unequal: No Solution Moving to Node #0,2,3 Current State: 59:[34, 19], Operations: ['93-59=34', '76-57=19'] Exploring Operation: 34*19=646, Resulting Numbers: [646] 646,59 unequal: No Solution Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,59 unequal: No Solution Exploring Operation: 34+19=53, Resulting Numbers: [53] 53,59 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 #0,4 Current State: 59:[93, 59, 19], Operations: ['76-57=19'] Exploring Operation: 59+19=78, Resulting Numbers: [93, 78] Generated Node #0,4,0: 59:[93, 78] Operation: 59+19=78 Exploring Operation: 93+19=112, Resulting Numbers: [59, 112] Generated Node #0,4,1: 59:[59, 112] Operation: 93+19=112 Exploring Operation: 59-19=40, Resulting Numbers: [93, 40] Generated Node #0,4,2: 59:[93, 40] Operation: 59-19=40 Exploring Operation: 93-19=74, Resulting Numbers: [59, 74] Generated Node #0,4,3: 59:[59, 74] Operation: 93-19=74 Exploring Operation: 93-59=34, Resulting Numbers: [19, 34] Generated Node #0,4,4: 59:[19, 34] Operation: 93-59=34 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 59:[59, 74], Operations: ['76-57=19', '93-19=74'] Exploring Operation: 59*74=4366, Resulting Numbers: [4366] 4366,59 unequal: No Solution Exploring Operation: 74-59=15, Resulting Numbers: [15] 15,59 unequal: No Solution Exploring Operation: 59+74=133, Resulting Numbers: [133] 133,59 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 #0,4,0 Current State: 59:[93, 78], Operations: ['76-57=19', '59+19=78'] Exploring Operation: 93-78=15, Resulting Numbers: [15] 15,59 unequal: No Solution Exploring Operation: 93*78=7254, Resulting Numbers: [7254] 7254,59 unequal: No Solution Exploring Operation: 93+78=171, Resulting Numbers: [171] 171,59 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 #0,4,1 Current State: 59:[59, 112], Operations: ['76-57=19', '93+19=112'] Exploring Operation: 59*112=6608, Resulting Numbers: [6608] 6608,59 unequal: No Solution Exploring Operation: 59+112=171, Resulting Numbers: [171] 171,59 unequal: No Solution Exploring Operation: 112-59=53, Resulting Numbers: [53] 53,59 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 #0,4,2 Current State: 59:[93, 40], Operations: ['76-57=19', '59-19=40'] Exploring Operation: 93-40=53, Resulting Numbers: [53] 53,59 unequal: No Solution Exploring Operation: 93*40=3720, Resulting Numbers: [3720] 3720,59 unequal: No Solution Exploring Operation: 93+40=133, Resulting Numbers: [133] 133,59 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 #0,4,4 Current State: 59:[19, 34], Operations: ['76-57=19', '93-59=34'] Exploring Operation: 19*34=646, Resulting Numbers: [646] 646,59 unequal: No Solution Exploring Operation: 19+34=53, Resulting Numbers: [53] 53,59 unequal: No Solution Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,59 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:[93, 57, 17], Operations: ['76-59=17'] Exploring Operation: 93+17=110, Resulting Numbers: [57, 110] Generated Node #0,1,0: 59:[57, 110] Operation: 93+17=110 Exploring Operation: 93-17=76, Resulting Numbers: [57, 76] Generated Node #0,1,1: 59:[57, 76] Operation: 93-17=76 Exploring Operation: 57+17=74, Resulting Numbers: [93, 74] Generated Node #0,1,2: 59:[93, 74] Operation: 57+17=74 Exploring Operation: 93-57=36, Resulting Numbers: [17, 36] Generated Node #0,1,3: 59:[17, 36] Operation: 93-57=36 Exploring Operation: 57-17=40, Resulting Numbers: [93, 40] Generated Node #0,1,4: 59:[93, 40] Operation: 57-17=40 Moving to Node #0,1,1 Current State: 59:[57, 76], Operations: ['76-59=17', '93-17=76'] Exploring Operation: 57*76=4332, Resulting Numbers: [4332] 4332,59 unequal: No Solution Exploring Operation: 76-57=19, Resulting Numbers: [19] 19,59 unequal: No Solution Exploring Operation: 57+76=133, Resulting Numbers: [133] 133,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[93, 74], Operations: ['76-59=17', '57+17=74'] Exploring Operation: 93*74=6882, Resulting Numbers: [6882] 6882,59 unequal: No Solution Exploring Operation: 93-74=19, Resulting Numbers: [19] 19,59 unequal: No Solution Exploring Operation: 93+74=167, Resulting Numbers: [167] 167,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[57, 110], Operations: ['76-59=17', '93+17=110'] Exploring Operation: 57+110=167, Resulting Numbers: [167] 167,59 unequal: No Solution Exploring Operation: 57*110=6270, Resulting Numbers: [6270] 6270,59 unequal: No Solution Exploring Operation: 110-57=53, Resulting Numbers: [53] 53,59 unequal: No Solution Moving to Node #0,1,4 Current State: 59:[93, 40], Operations: ['76-59=17', '57-17=40'] Exploring Operation: 93+40=133, Resulting Numbers: [133] 133,59 unequal: No Solution Exploring Operation: 93-40=53, Resulting Numbers: [53] 53,59 unequal: No Solution Exploring Operation: 93*40=3720, Resulting Numbers: [3720] 3720,59 unequal: No Solution Moving to Node #0,1,3 Current State: 59:[17, 36], Operations: ['76-59=17', '93-57=36'] Exploring Operation: 17*36=612, Resulting Numbers: [612] 612,59 unequal: No Solution Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,59 unequal: No Solution Exploring Operation: 17+36=53, Resulting Numbers: [53] 53,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 70, 62, 43, 26 ]
25
[ "70-62=8", "43-26=17", "8+17=25" ]
Current State: 25:[70, 62, 43, 26], Operations: [] Exploring Operation: 70-62=8, Resulting Numbers: [43, 26, 8] Generated Node #2: [43, 26, 8] from Operation: 70-62=8 Current State: 25:[43, 26, 8], Operations: ['70-62=8'] Exploring Operation: 43-26=17, Resulting Numbers: [8, 17] Generated Node #3: [8, 17] from Operation: 43-26=17 Current State: 25:[8, 17], Operations: ['70-62=8', '43-26=17'] Exploring Operation: 8+17=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[70, 62, 43, 26], Operations: [] Exploring Operation: 70-62=8, Resulting Numbers: [43, 26, 8] Generated Node #0,0: 25:[43, 26, 8] Operation: 70-62=8 Exploring Operation: 70-26=44, Resulting Numbers: [62, 43, 44] Generated Node #0,1: 25:[62, 43, 44] Operation: 70-26=44 Exploring Operation: 62-43=19, Resulting Numbers: [70, 26, 19] Generated Node #0,2: 25:[70, 26, 19] Operation: 62-43=19 Exploring Operation: 70-43=27, Resulting Numbers: [62, 26, 27] Generated Node #0,3: 25:[62, 26, 27] Operation: 70-43=27 Exploring Operation: 62-26=36, Resulting Numbers: [70, 43, 36] Generated Node #0,4: 25:[70, 43, 36] Operation: 62-26=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[43, 26, 8], Operations: ['70-62=8'] Exploring Operation: 26+8=34, Resulting Numbers: [43, 34] Generated Node #0,0,0: 25:[43, 34] Operation: 26+8=34 Exploring Operation: 43+8=51, Resulting Numbers: [26, 51] Generated Node #0,0,1: 25:[26, 51] Operation: 43+8=51 Exploring Operation: 26-8=18, Resulting Numbers: [43, 18] Generated Node #0,0,2: 25:[43, 18] Operation: 26-8=18 Exploring Operation: 43-26=17, Resulting Numbers: [8, 17] Generated Node #0,0,3: 25:[8, 17] Operation: 43-26=17 Exploring Operation: 43-8=35, Resulting Numbers: [26, 35] Generated Node #0,0,4: 25:[26, 35] Operation: 43-8=35 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 25:[8, 17], Operations: ['70-62=8', '43-26=17'] Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,25 unequal: No Solution Exploring Operation: 8+17=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[70, 62, 43, 26], Operations: [] Exploring Operation: 70-62=8, Resulting Numbers: [43, 26, 8] Generated Node #0,0: 25:[43, 26, 8] Operation: 70-62=8 Moving to Node #0,0 Current State: 25:[43, 26, 8], Operations: ['70-62=8'] Exploring Operation: 43-26=17, Resulting Numbers: [8, 17] Generated Node #0,0,3: 25:[8, 17] Operation: 43-26=17 Moving to Node #0,0,3 Current State: 25:[8, 17], Operations: ['70-62=8', '43-26=17'] Exploring Operation: 8+17=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 58, 31, 63, 3 ]
39
[ "58-31=27", "63+3=66", "66-27=39" ]
Current State: 39:[58, 31, 63, 3], Operations: [] Exploring Operation: 58-31=27, Resulting Numbers: [63, 3, 27] Generated Node #2: [63, 3, 27] from Operation: 58-31=27 Current State: 39:[63, 3, 27], Operations: ['58-31=27'] Exploring Operation: 63+3=66, Resulting Numbers: [27, 66] Generated Node #3: [27, 66] from Operation: 63+3=66 Current State: 39:[27, 66], Operations: ['58-31=27', '63+3=66'] Exploring Operation: 66-27=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[58, 31, 63, 3], Operations: [] Exploring Operation: 63-58=5, Resulting Numbers: [31, 3, 5] Generated Node #0,0: 39:[31, 3, 5] Operation: 63-58=5 Exploring Operation: 58-3=55, Resulting Numbers: [31, 63, 55] Generated Node #0,1: 39:[31, 63, 55] Operation: 58-3=55 Exploring Operation: 58-31=27, Resulting Numbers: [63, 3, 27] Generated Node #0,2: 39:[63, 3, 27] Operation: 58-31=27 Exploring Operation: 63/3=21, Resulting Numbers: [58, 31, 21] Generated Node #0,3: 39:[58, 31, 21] Operation: 63/3=21 Exploring Operation: 63-31=32, Resulting Numbers: [58, 3, 32] Generated Node #0,4: 39:[58, 3, 32] Operation: 63-31=32 Moving to Node #0,0 Current State: 39:[31, 3, 5], Operations: ['63-58=5'] Exploring Operation: 31-3=28, Resulting Numbers: [5, 28] Generated Node #0,0,0: 39:[5, 28] Operation: 31-3=28 Exploring Operation: 31+3=34, Resulting Numbers: [5, 34] Generated Node #0,0,1: 39:[5, 34] Operation: 31+3=34 Exploring Operation: 3*5=15, Resulting Numbers: [31, 15] Generated Node #0,0,2: 39:[31, 15] Operation: 3*5=15 Exploring Operation: 31+5=36, Resulting Numbers: [3, 36] Generated Node #0,0,3: 39:[3, 36] Operation: 31+5=36 Exploring Operation: 5-3=2, Resulting Numbers: [31, 2] Generated Node #0,0,4: 39:[31, 2] Operation: 5-3=2 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 39:[3, 36], Operations: ['63-58=5', '31+5=36'] Exploring Operation: 3*36=108, Resulting Numbers: [108] 108,39 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,39 unequal: No Solution Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[58, 31, 63, 3], Operations: [] Exploring Operation: 63-58=5, Resulting Numbers: [31, 3, 5] Generated Node #0,0: 39:[31, 3, 5] Operation: 63-58=5 Moving to Node #0,0 Current State: 39:[31, 3, 5], Operations: ['63-58=5'] Exploring Operation: 31+5=36, Resulting Numbers: [3, 36] Generated Node #0,0,3: 39:[3, 36] Operation: 31+5=36 Moving to Node #0,0,3 Current State: 39:[3, 36], Operations: ['63-58=5', '31+5=36'] Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 85, 76, 76, 81 ]
59
[ "81-76=5", "85/5=17", "76-17=59" ]
Current State: 59:[85, 76, 76, 81], Operations: [] Exploring Operation: 81-76=5, Resulting Numbers: [85, 5] Generated Node #2: [85, 5] from Operation: 81-76=5 Current State: 59:[85, 5], Operations: ['81-76=5'] Exploring Operation: 85/5=17, Resulting Numbers: [17] 17,59 equal: Goal Reached Exploring Operation: 76-17=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[85, 76, 76, 81], Operations: [] Exploring Operation: 85-76=9, Resulting Numbers: [76, 81, 9] Generated Node #0,0: 59:[76, 81, 9] Operation: 85-76=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[76, 81, 9], Operations: ['85-76=9'] Exploring Operation: 76-9=67, Resulting Numbers: [81, 67] Generated Node #0,0,0: 59:[81, 67] Operation: 76-9=67 Moving to Node #0,0,0 Current State: 59:[81, 67], Operations: ['85-76=9', '76-9=67'] Exploring Operation: 81-67=14, Resulting Numbers: [14] 14,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 19, 31, 40, 27 ]
29
[ "31-27=4", "40/4=10", "19+10=29" ]
Current State: 29:[19, 31, 40, 27], Operations: [] Exploring Operation: 31-27=4, Resulting Numbers: [19, 40, 4] Generated Node #2: [19, 40, 4] from Operation: 31-27=4 Current State: 29:[19, 40, 4], Operations: ['31-27=4'] Exploring Operation: 40/4=10, Resulting Numbers: [19, 10] Generated Node #3: [19, 10] from Operation: 40/4=10 Current State: 29:[19, 10], Operations: ['31-27=4', '40/4=10'] Exploring Operation: 19+10=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[19, 31, 40, 27], Operations: [] Exploring Operation: 40-19=21, Resulting Numbers: [31, 27, 21] Generated Node #0,0: 29:[31, 27, 21] Operation: 40-19=21 Exploring Operation: 19+27=46, Resulting Numbers: [31, 40, 46] Generated Node #0,1: 29:[31, 40, 46] Operation: 19+27=46 Exploring Operation: 40-31=9, Resulting Numbers: [19, 27, 9] Generated Node #0,2: 29:[19, 27, 9] Operation: 40-31=9 Exploring Operation: 31-19=12, Resulting Numbers: [40, 27, 12] Generated Node #0,3: 29:[40, 27, 12] Operation: 31-19=12 Exploring Operation: 40-27=13, Resulting Numbers: [19, 31, 13] Generated Node #0,4: 29:[19, 31, 13] Operation: 40-27=13 Moving to Node #0,0 Current State: 29:[31, 27, 21], Operations: ['40-19=21'] Exploring Operation: 31+21=52, Resulting Numbers: [27, 52] Generated Node #0,0,0: 29:[27, 52] Operation: 31+21=52 Exploring Operation: 31-27=4, Resulting Numbers: [21, 4] Generated Node #0,0,1: 29:[21, 4] Operation: 31-27=4 Exploring Operation: 31-21=10, Resulting Numbers: [27, 10] Generated Node #0,0,2: 29:[27, 10] Operation: 31-21=10 Exploring Operation: 27+21=48, Resulting Numbers: [31, 48] Generated Node #0,0,3: 29:[31, 48] Operation: 27+21=48 Exploring Operation: 27-21=6, Resulting Numbers: [31, 6] Generated Node #0,0,4: 29:[31, 6] Operation: 27-21=6 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 29:[27, 10], Operations: ['40-19=21', '31-21=10'] Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 27+10=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 27*10=270, Resulting Numbers: [270] 270,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 29:[31, 48], Operations: ['40-19=21', '27+21=48'] Exploring Operation: 48-31=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 31*48=1488, Resulting Numbers: [1488] 1488,29 unequal: No Solution Exploring Operation: 31+48=79, Resulting Numbers: [79] 79,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[27, 52], Operations: ['40-19=21', '31+21=52'] Exploring Operation: 27*52=1404, Resulting Numbers: [1404] 1404,29 unequal: No Solution Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 27+52=79, Resulting Numbers: [79] 79,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 29:[31, 6], Operations: ['40-19=21', '27-21=6'] Exploring Operation: 31+6=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 31*6=186, Resulting Numbers: [186] 186,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[21, 4], Operations: ['40-19=21', '31-27=4'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,29 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: 29:[19, 31, 13], Operations: ['40-27=13'] Exploring Operation: 31-13=18, Resulting Numbers: [19, 18] Generated Node #0,4,0: 29:[19, 18] Operation: 31-13=18 Exploring Operation: 31-19=12, Resulting Numbers: [13, 12] Generated Node #0,4,1: 29:[13, 12] Operation: 31-19=12 Exploring Operation: 31+13=44, Resulting Numbers: [19, 44] Generated Node #0,4,2: 29:[19, 44] Operation: 31+13=44 Exploring Operation: 19+13=32, Resulting Numbers: [31, 32] Generated Node #0,4,3: 29:[31, 32] Operation: 19+13=32 Exploring Operation: 19-13=6, Resulting Numbers: [31, 6] Generated Node #0,4,4: 29:[31, 6] Operation: 19-13=6 Moving to Node #0,1 Current State: 29:[31, 40, 46], Operations: ['19+27=46'] Exploring Operation: 31+40=71, Resulting Numbers: [46, 71] Generated Node #0,1,0: 29:[46, 71] Operation: 31+40=71 Exploring Operation: 31+46=77, Resulting Numbers: [40, 77] Generated Node #0,1,1: 29:[40, 77] Operation: 31+46=77 Exploring Operation: 46-31=15, Resulting Numbers: [40, 15] Generated Node #0,1,2: 29:[40, 15] Operation: 46-31=15 Exploring Operation: 46-40=6, Resulting Numbers: [31, 6] Generated Node #0,1,3: 29:[31, 6] Operation: 46-40=6 Exploring Operation: 40-31=9, Resulting Numbers: [46, 9] Generated Node #0,1,4: 29:[46, 9] Operation: 40-31=9 Moving to Node #0,3 Current State: 29:[40, 27, 12], Operations: ['31-19=12'] Exploring Operation: 40+12=52, Resulting Numbers: [27, 52] Generated Node #0,3,0: 29:[27, 52] Operation: 40+12=52 Exploring Operation: 40-27=13, Resulting Numbers: [12, 13] Generated Node #0,3,1: 29:[12, 13] Operation: 40-27=13 Exploring Operation: 40-12=28, Resulting Numbers: [27, 28] Generated Node #0,3,2: 29:[27, 28] Operation: 40-12=28 Exploring Operation: 27-12=15, Resulting Numbers: [40, 15] Generated Node #0,3,3: 29:[40, 15] Operation: 27-12=15 Exploring Operation: 27+12=39, Resulting Numbers: [40, 39] Generated Node #0,3,4: 29:[40, 39] Operation: 27+12=39 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 29:[27, 28], Operations: ['31-19=12', '40-12=28'] Exploring Operation: 27*28=756, Resulting Numbers: [756] 756,29 unequal: No Solution Exploring Operation: 28-27=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 27+28=55, Resulting Numbers: [55] 55,29 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 #0,3,4 Current State: 29:[40, 39], Operations: ['31-19=12', '27+12=39'] Exploring Operation: 40*39=1560, Resulting Numbers: [1560] 1560,29 unequal: No Solution Exploring Operation: 40+39=79, Resulting Numbers: [79] 79,29 unequal: No Solution Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,29 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 #0,3,0 Current State: 29:[27, 52], Operations: ['31-19=12', '40+12=52'] Exploring Operation: 27*52=1404, Resulting Numbers: [1404] 1404,29 unequal: No Solution Exploring Operation: 27+52=79, Resulting Numbers: [79] 79,29 unequal: No Solution Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,29 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 #0,3,3 Current State: 29:[40, 15], Operations: ['31-19=12', '27-12=15'] Exploring Operation: 40+15=55, Resulting Numbers: [55] 55,29 unequal: No Solution Exploring Operation: 40*15=600, Resulting Numbers: [600] 600,29 unequal: No Solution Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,29 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 #0,3,1 Current State: 29:[12, 13], Operations: ['31-19=12', '40-27=13'] Exploring Operation: 12*13=156, Resulting Numbers: [156] 156,29 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 12+13=25, Resulting Numbers: [25] 25,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 29:[19, 27, 9], Operations: ['40-31=9'] Exploring Operation: 19-9=10, Resulting Numbers: [27, 10] Generated Node #0,2,0: 29:[27, 10] Operation: 19-9=10 Exploring Operation: 19+9=28, Resulting Numbers: [27, 28] Generated Node #0,2,1: 29:[27, 28] Operation: 19+9=28 Exploring Operation: 27+9=36, Resulting Numbers: [19, 36] Generated Node #0,2,2: 29:[19, 36] Operation: 27+9=36 Exploring Operation: 27/9=3, Resulting Numbers: [19, 3] Generated Node #0,2,3: 29:[19, 3] Operation: 27/9=3 Exploring Operation: 27-9=18, Resulting Numbers: [19, 18] Generated Node #0,2,4: 29:[19, 18] Operation: 27-9=18 Moving to Node #0,2,1 Current State: 29:[27, 28], Operations: ['40-31=9', '19+9=28'] Exploring Operation: 27+28=55, Resulting Numbers: [55] 55,29 unequal: No Solution Exploring Operation: 28-27=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 27*28=756, Resulting Numbers: [756] 756,29 unequal: No Solution Moving to Node #0,4,3 Current State: 29:[31, 32], Operations: ['40-27=13', '19+13=32'] Exploring Operation: 31*32=992, Resulting Numbers: [992] 992,29 unequal: No Solution Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 31+32=63, Resulting Numbers: [63] 63,29 unequal: No Solution Moving to Node #0,2,2 Current State: 29:[19, 36], Operations: ['40-31=9', '27+9=36'] Exploring Operation: 36-19=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 19*36=684, Resulting Numbers: [684] 684,29 unequal: No Solution Exploring Operation: 19+36=55, Resulting Numbers: [55] 55,29 unequal: No Solution Moving to Node #0,2,4 Current State: 29:[19, 18], Operations: ['40-31=9', '27-9=18'] Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,29 unequal: No Solution Moving to Node #0,2,0 Current State: 29:[27, 10], Operations: ['40-31=9', '19-9=10'] Exploring Operation: 27+10=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 27*10=270, Resulting Numbers: [270] 270,29 unequal: No Solution Moving to Node #0,4,0 Current State: 29:[19, 18], Operations: ['40-27=13', '31-13=18'] Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,29 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,29 unequal: No Solution Moving to Node #0,1,3 Current State: 29:[31, 6], Operations: ['19+27=46', '46-40=6'] Exploring Operation: 31*6=186, Resulting Numbers: [186] 186,29 unequal: No Solution Exploring Operation: 31+6=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,29 unequal: No Solution Moving to Node #0,4,2 Current State: 29:[19, 44], Operations: ['40-27=13', '31+13=44'] Exploring Operation: 44-19=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 19*44=836, Resulting Numbers: [836] 836,29 unequal: No Solution Exploring Operation: 19+44=63, Resulting Numbers: [63] 63,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[40, 15], Operations: ['19+27=46', '46-31=15'] Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 40*15=600, Resulting Numbers: [600] 600,29 unequal: No Solution Exploring Operation: 40+15=55, Resulting Numbers: [55] 55,29 unequal: No Solution Moving to Node #0,4,4 Current State: 29:[31, 6], Operations: ['40-27=13', '19-13=6'] Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 31+6=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 31*6=186, Resulting Numbers: [186] 186,29 unequal: No Solution Moving to Node #0,4,1 Current State: 29:[13, 12], Operations: ['40-27=13', '31-19=12'] Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 13*12=156, Resulting Numbers: [156] 156,29 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,29 unequal: No Solution Moving to Node #0,2,3 Current State: 29:[19, 3], Operations: ['40-31=9', '27/9=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,29 unequal: No Solution Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,29 unequal: No Solution Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,29 unequal: No Solution Moving to Node #0,1,4 Current State: 29:[46, 9], Operations: ['19+27=46', '40-31=9'] Exploring Operation: 46+9=55, Resulting Numbers: [55] 55,29 unequal: No Solution Exploring Operation: 46*9=414, Resulting Numbers: [414] 414,29 unequal: No Solution Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[46, 71], Operations: ['19+27=46', '31+40=71'] Exploring Operation: 71-46=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 46*71=3266, Resulting Numbers: [3266] 3266,29 unequal: No Solution Exploring Operation: 46+71=117, Resulting Numbers: [117] 117,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[40, 77], Operations: ['19+27=46', '31+46=77'] Exploring Operation: 77-40=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 40+77=117, Resulting Numbers: [117] 117,29 unequal: No Solution Exploring Operation: 40*77=3080, Resulting Numbers: [3080] 3080,29 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 19, 72, 57, 77 ]
73
[ "72-19=53", "77-57=20", "53+20=73" ]
Current State: 73:[19, 72, 57, 77], Operations: [] Exploring Operation: 72-19=53, Resulting Numbers: [57, 77, 53] Generated Node #2: [57, 77, 53] from Operation: 72-19=53 Current State: 73:[57, 77, 53], Operations: ['72-19=53'] Exploring Operation: 77-57=20, Resulting Numbers: [53, 20] Generated Node #3: [53, 20] from Operation: 77-57=20 Current State: 73:[53, 20], Operations: ['72-19=53', '77-57=20'] Exploring Operation: 53+20=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[19, 72, 57, 77], Operations: [] Exploring Operation: 19+57=76, Resulting Numbers: [72, 77, 76] Generated Node #0,0: 73:[72, 77, 76] Operation: 19+57=76 Exploring Operation: 19+72=91, Resulting Numbers: [57, 77, 91] Generated Node #0,1: 73:[57, 77, 91] Operation: 19+72=91 Exploring Operation: 77-19=58, Resulting Numbers: [72, 57, 58] Generated Node #0,2: 73:[72, 57, 58] Operation: 77-19=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[72, 77, 76], Operations: ['19+57=76'] Exploring Operation: 77-76=1, Resulting Numbers: [72, 1] Generated Node #0,0,0: 73:[72, 1] Operation: 77-76=1 Exploring Operation: 76-72=4, Resulting Numbers: [77, 4] Generated Node #0,0,1: 73:[77, 4] Operation: 76-72=4 Exploring Operation: 77-72=5, Resulting Numbers: [76, 5] Generated Node #0,0,2: 73:[76, 5] Operation: 77-72=5 Moving to Node #0,0,2 Current State: 73:[76, 5], Operations: ['19+57=76', '77-72=5'] Exploring Operation: 76+5=81, Resulting Numbers: [81] 81,73 unequal: No Solution Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,73 unequal: No Solution Exploring Operation: 76*5=380, Resulting Numbers: [380] 380,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[72, 1], Operations: ['19+57=76', '77-76=1'] Exploring Operation: 72/1=72, Resulting Numbers: [72] 72,73 unequal: No Solution Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,73 unequal: No Solution Exploring Operation: 72+1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[19, 72, 57, 77], Operations: [] Exploring Operation: 19+57=76, Resulting Numbers: [72, 77, 76] Generated Node #0,0: 73:[72, 77, 76] Operation: 19+57=76 Moving to Node #0,0 Current State: 73:[72, 77, 76], Operations: ['19+57=76'] Exploring Operation: 77-76=1, Resulting Numbers: [72, 1] Generated Node #0,0,0: 73:[72, 1] Operation: 77-76=1 Moving to Node #0,0,0 Current State: 73:[72, 1], Operations: ['19+57=76', '77-76=1'] Exploring Operation: 72+1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 42, 11, 4, 45 ]
51
[ "11-4=7", "42/7=6", "45+6=51" ]
Current State: 51:[42, 11, 4, 45], Operations: [] Exploring Operation: 11-4=7, Resulting Numbers: [42, 45, 7] Generated Node #2: [42, 45, 7] from Operation: 11-4=7 Current State: 51:[42, 45, 7], Operations: ['11-4=7'] Exploring Operation: 42/7=6, Resulting Numbers: [45, 6] Generated Node #3: [45, 6] from Operation: 42/7=6 Current State: 51:[45, 6], Operations: ['11-4=7', '42/7=6'] Exploring Operation: 45+6=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[42, 11, 4, 45], Operations: [] Exploring Operation: 45-42=3, Resulting Numbers: [11, 4, 3] Generated Node #0,0: 51:[11, 4, 3] Operation: 45-42=3 Moving to Node #0,0 Current State: 51:[11, 4, 3], Operations: ['45-42=3'] Exploring Operation: 11+4=15, Resulting Numbers: [3, 15] Generated Node #0,0,0: 51:[3, 15] Operation: 11+4=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[3, 15], Operations: ['45-42=3', '11+4=15'] Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,51 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
[ 48, 58, 24, 11 ]
86
[ "58-48=10", "11*10=110", "110-24=86" ]
Current State: 86:[48, 58, 24, 11], Operations: [] Exploring Operation: 58-48=10, Resulting Numbers: [24, 11, 10] Generated Node #2: [24, 11, 10] from Operation: 58-48=10 Current State: 86:[24, 11, 10], Operations: ['58-48=10'] Exploring Operation: 11*10=110, Resulting Numbers: [24, 110] Generated Node #3: [24, 110] from Operation: 11*10=110 Current State: 86:[24, 110], Operations: ['58-48=10', '11*10=110'] Exploring Operation: 110-24=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[48, 58, 24, 11], Operations: [] Exploring Operation: 58+24=82, Resulting Numbers: [48, 11, 82] Generated Node #0,0: 86:[48, 11, 82] Operation: 58+24=82 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[48, 11, 82], Operations: ['58+24=82'] Exploring Operation: 48-11=37, Resulting Numbers: [82, 37] Generated Node #0,0,0: 86:[82, 37] Operation: 48-11=37 Moving to Node #0,0,0 Current State: 86:[82, 37], Operations: ['58+24=82', '48-11=37'] Exploring Operation: 82-37=45, Resulting Numbers: [45] 45,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 29, 97, 95, 1 ]
87
[ "97-95=2", "1+2=3", "29*3=87" ]
Current State: 87:[29, 97, 95, 1], Operations: [] Exploring Operation: 97-95=2, Resulting Numbers: [29, 1, 2] Generated Node #2: [29, 1, 2] from Operation: 97-95=2 Current State: 87:[29, 1, 2], Operations: ['97-95=2'] Exploring Operation: 1+2=3, Resulting Numbers: [29, 3] Generated Node #3: [29, 3] from Operation: 1+2=3 Current State: 87:[29, 3], Operations: ['97-95=2', '1+2=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[29, 97, 95, 1], Operations: [] Exploring Operation: 97-95=2, Resulting Numbers: [29, 1, 2] Generated Node #0,0: 87:[29, 1, 2] Operation: 97-95=2 Exploring Operation: 97-1=96, Resulting Numbers: [29, 95, 96] Generated Node #0,1: 87:[29, 95, 96] Operation: 97-1=96 Exploring Operation: 95-1=94, Resulting Numbers: [29, 97, 94] Generated Node #0,2: 87:[29, 97, 94] Operation: 95-1=94 Moving to Node #0,0 Current State: 87:[29, 1, 2], Operations: ['97-95=2'] Exploring Operation: 29*1=29, Resulting Numbers: [2, 29] Generated Node #0,0,0: 87:[2, 29] Operation: 29*1=29 Exploring Operation: 1+2=3, Resulting Numbers: [29, 3] Generated Node #0,0,1: 87:[29, 3] Operation: 1+2=3 Exploring Operation: 29/1=29, Resulting Numbers: [2, 29] Generated Node #0,0,2: 87:[2, 29] Operation: 29/1=29 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[29, 3], Operations: ['97-95=2', '1+2=3'] Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[29, 97, 95, 1], Operations: [] Exploring Operation: 97-95=2, Resulting Numbers: [29, 1, 2] Generated Node #0,0: 87:[29, 1, 2] Operation: 97-95=2 Moving to Node #0,0 Current State: 87:[29, 1, 2], Operations: ['97-95=2'] Exploring Operation: 1+2=3, Resulting Numbers: [29, 3] Generated Node #0,0,1: 87:[29, 3] Operation: 1+2=3 Moving to Node #0,0,1 Current State: 87:[29, 3], Operations: ['97-95=2', '1+2=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 32, 69, 76, 45 ]
48
[ "69+45=114", "32*114=3648", "3648/76=48" ]
Current State: 48:[32, 69, 76, 45], Operations: [] Exploring Operation: 69+45=114, Resulting Numbers: [32, 76, 114] Generated Node #2: [32, 76, 114] from Operation: 69+45=114 Current State: 48:[32, 76, 114], Operations: ['69+45=114'] Exploring Operation: 32*114=3648, Resulting Numbers: [76, 3648] Generated Node #3: [76, 3648] from Operation: 32*114=3648 Current State: 48:[76, 3648], Operations: ['69+45=114', '32*114=3648'] Exploring Operation: 3648/76=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[32, 69, 76, 45], Operations: [] Exploring Operation: 76-69=7, Resulting Numbers: [32, 45, 7] Generated Node #0,0: 48:[32, 45, 7] Operation: 76-69=7 Exploring Operation: 69-45=24, Resulting Numbers: [32, 76, 24] Generated Node #0,1: 48:[32, 76, 24] Operation: 69-45=24 Exploring Operation: 76-32=44, Resulting Numbers: [69, 45, 44] Generated Node #0,2: 48:[69, 45, 44] Operation: 76-32=44 Exploring Operation: 76-45=31, Resulting Numbers: [32, 69, 31] Generated Node #0,3: 48:[32, 69, 31] Operation: 76-45=31 Moving to Node #0,0 Current State: 48:[32, 45, 7], Operations: ['76-69=7'] Exploring Operation: 32-7=25, Resulting Numbers: [45, 25] Generated Node #0,0,0: 48:[45, 25] Operation: 32-7=25 Exploring Operation: 45+7=52, Resulting Numbers: [32, 52] Generated Node #0,0,1: 48:[32, 52] Operation: 45+7=52 Exploring Operation: 45-32=13, Resulting Numbers: [7, 13] Generated Node #0,0,2: 48:[7, 13] Operation: 45-32=13 Exploring Operation: 32+7=39, Resulting Numbers: [45, 39] Generated Node #0,0,3: 48:[45, 39] Operation: 32+7=39 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 48:[7, 13], Operations: ['76-69=7', '45-32=13'] Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,48 unequal: No Solution Exploring Operation: 7+13=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[45, 25], Operations: ['76-69=7', '32-7=25'] Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 45+25=70, Resulting Numbers: [70] 70,48 unequal: No Solution Exploring Operation: 45*25=1125, Resulting Numbers: [1125] 1125,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 48:[32, 52], Operations: ['76-69=7', '45+7=52'] Exploring Operation: 32+52=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 52-32=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 32*52=1664, Resulting Numbers: [1664] 1664,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 48:[45, 39], Operations: ['76-69=7', '32+7=39'] Exploring Operation: 45+39=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 45-39=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 45*39=1755, Resulting Numbers: [1755] 1755,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 48:[69, 45, 44], Operations: ['76-32=44'] Exploring Operation: 69-44=25, Resulting Numbers: [45, 25] Generated Node #0,2,0: 48:[45, 25] Operation: 69-44=25 Exploring Operation: 69-45=24, Resulting Numbers: [44, 24] Generated Node #0,2,1: 48:[44, 24] Operation: 69-45=24 Exploring Operation: 45-44=1, Resulting Numbers: [69, 1] Generated Node #0,2,2: 48:[69, 1] Operation: 45-44=1 Exploring Operation: 45+44=89, Resulting Numbers: [69, 89] Generated Node #0,2,3: 48:[69, 89] Operation: 45+44=89 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 48:[45, 25], Operations: ['76-32=44', '69-44=25'] Exploring Operation: 45+25=70, Resulting Numbers: [70] 70,48 unequal: No Solution Exploring Operation: 45*25=1125, Resulting Numbers: [1125] 1125,48 unequal: No Solution Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 48:[44, 24], Operations: ['76-32=44', '69-45=24'] Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 44+24=68, Resulting Numbers: [68] 68,48 unequal: No Solution Exploring Operation: 44*24=1056, Resulting Numbers: [1056] 1056,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 48:[69, 1], Operations: ['76-32=44', '45-44=1'] Exploring Operation: 69+1=70, Resulting Numbers: [70] 70,48 unequal: No Solution Exploring Operation: 69-1=68, Resulting Numbers: [68] 68,48 unequal: No Solution Exploring Operation: 69/1=69, Resulting Numbers: [69] 69,48 unequal: No Solution Exploring Operation: 69*1=69, Resulting Numbers: [69] 69,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 48:[69, 89], Operations: ['76-32=44', '45+44=89'] Exploring Operation: 69*89=6141, Resulting Numbers: [6141] 6141,48 unequal: No Solution Exploring Operation: 89-69=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 69+89=158, Resulting Numbers: [158] 158,48 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: 48:[32, 69, 31], Operations: ['76-45=31'] Exploring Operation: 32+31=63, Resulting Numbers: [69, 63] Generated Node #0,3,0: 48:[69, 63] Operation: 32+31=63 Exploring Operation: 32-31=1, Resulting Numbers: [69, 1] Generated Node #0,3,1: 48:[69, 1] Operation: 32-31=1 Exploring Operation: 69-32=37, Resulting Numbers: [31, 37] Generated Node #0,3,2: 48:[31, 37] Operation: 69-32=37 Exploring Operation: 69-31=38, Resulting Numbers: [32, 38] Generated Node #0,3,3: 48:[32, 38] Operation: 69-31=38 Moving to Node #0,1 Current State: 48:[32, 76, 24], Operations: ['69-45=24'] Exploring Operation: 32+24=56, Resulting Numbers: [76, 56] Generated Node #0,1,0: 48:[76, 56] Operation: 32+24=56 Exploring Operation: 32-24=8, Resulting Numbers: [76, 8] Generated Node #0,1,1: 48:[76, 8] Operation: 32-24=8 Exploring Operation: 76-24=52, Resulting Numbers: [32, 52] Generated Node #0,1,2: 48:[32, 52] Operation: 76-24=52 Exploring Operation: 76-32=44, Resulting Numbers: [24, 44] Generated Node #0,1,3: 48:[24, 44] Operation: 76-32=44 Moving to Node #0,1,3 Current State: 48:[24, 44], Operations: ['69-45=24', '76-32=44'] Exploring Operation: 24*44=1056, Resulting Numbers: [1056] 1056,48 unequal: No Solution Exploring Operation: 24+44=68, Resulting Numbers: [68] 68,48 unequal: No Solution Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,48 unequal: No Solution Moving to Node #0,1,2 Current State: 48:[32, 52], Operations: ['69-45=24', '76-24=52'] Exploring Operation: 32*52=1664, Resulting Numbers: [1664] 1664,48 unequal: No Solution Exploring Operation: 32+52=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 52-32=20, Resulting Numbers: [20] 20,48 unequal: No Solution Moving to Node #0,3,2 Current State: 48:[31, 37], Operations: ['76-45=31', '69-32=37'] Exploring Operation: 31+37=68, Resulting Numbers: [68] 68,48 unequal: No Solution Exploring Operation: 37-31=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 31*37=1147, Resulting Numbers: [1147] 1147,48 unequal: No Solution Moving to Node #0,3,3 Current State: 48:[32, 38], Operations: ['76-45=31', '69-31=38'] Exploring Operation: 38-32=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 32*38=1216, Resulting Numbers: [1216] 1216,48 unequal: No Solution Exploring Operation: 32+38=70, Resulting Numbers: [70] 70,48 unequal: No Solution Moving to Node #0,3,1 Current State: 48:[69, 1], Operations: ['76-45=31', '32-31=1'] Exploring Operation: 69+1=70, Resulting Numbers: [70] 70,48 unequal: No Solution Exploring Operation: 69*1=69, Resulting Numbers: [69] 69,48 unequal: No Solution Exploring Operation: 69/1=69, Resulting Numbers: [69] 69,48 unequal: No Solution Exploring Operation: 69-1=68, Resulting Numbers: [68] 68,48 unequal: No Solution Moving to Node #0,1,1 Current State: 48:[76, 8], Operations: ['69-45=24', '32-24=8'] Exploring Operation: 76+8=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 76-8=68, Resulting Numbers: [68] 68,48 unequal: No Solution Exploring Operation: 76*8=608, Resulting Numbers: [608] 608,48 unequal: No Solution Moving to Node #0,3,0 Current State: 48:[69, 63], Operations: ['76-45=31', '32+31=63'] Exploring Operation: 69*63=4347, Resulting Numbers: [4347] 4347,48 unequal: No Solution Exploring Operation: 69-63=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 69+63=132, Resulting Numbers: [132] 132,48 unequal: No Solution Moving to Node #0,1,0 Current State: 48:[76, 56], Operations: ['69-45=24', '32+24=56'] Exploring Operation: 76+56=132, Resulting Numbers: [132] 132,48 unequal: No Solution Exploring Operation: 76*56=4256, Resulting Numbers: [4256] 4256,48 unequal: No Solution Exploring Operation: 76-56=20, Resulting Numbers: [20] 20,48 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 21, 70, 26, 72 ]
58
[ "26-21=5", "70/5=14", "72-14=58" ]
Current State: 58:[21, 70, 26, 72], Operations: [] Exploring Operation: 26-21=5, Resulting Numbers: [70, 72, 5] Generated Node #2: [70, 72, 5] from Operation: 26-21=5 Current State: 58:[70, 72, 5], Operations: ['26-21=5'] Exploring Operation: 70/5=14, Resulting Numbers: [72, 14] Generated Node #3: [72, 14] from Operation: 70/5=14 Current State: 58:[72, 14], Operations: ['26-21=5', '70/5=14'] Exploring Operation: 72-14=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[21, 70, 26, 72], Operations: [] Exploring Operation: 70-21=49, Resulting Numbers: [26, 72, 49] Generated Node #0,0: 58:[26, 72, 49] Operation: 70-21=49 Exploring Operation: 72-70=2, Resulting Numbers: [21, 26, 2] Generated Node #0,1: 58:[21, 26, 2] Operation: 72-70=2 Exploring Operation: 72-21=51, Resulting Numbers: [70, 26, 51] Generated Node #0,2: 58:[70, 26, 51] Operation: 72-21=51 Moving to Node #0,1 Current State: 58:[21, 26, 2], Operations: ['72-70=2'] Exploring Operation: 26-21=5, Resulting Numbers: [2, 5] Generated Node #0,1,0: 58:[2, 5] Operation: 26-21=5 Exploring Operation: 26+2=28, Resulting Numbers: [21, 28] Generated Node #0,1,1: 58:[21, 28] Operation: 26+2=28 Exploring Operation: 21+2=23, Resulting Numbers: [26, 23] Generated Node #0,1,2: 58:[26, 23] Operation: 21+2=23 Moving to Node #0,2 Current State: 58:[70, 26, 51], Operations: ['72-21=51'] Exploring Operation: 70-51=19, Resulting Numbers: [26, 19] Generated Node #0,2,0: 58:[26, 19] Operation: 70-51=19 Exploring Operation: 70-26=44, Resulting Numbers: [51, 44] Generated Node #0,2,1: 58:[51, 44] Operation: 70-26=44 Exploring Operation: 51-26=25, Resulting Numbers: [70, 25] Generated Node #0,2,2: 58:[70, 25] Operation: 51-26=25 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 58:[26, 19], Operations: ['72-21=51', '70-51=19'] Exploring Operation: 26*19=494, Resulting Numbers: [494] 494,58 unequal: No Solution Exploring Operation: 26+19=45, Resulting Numbers: [45] 45,58 unequal: No Solution Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 58:[70, 25], Operations: ['72-21=51', '51-26=25'] Exploring Operation: 70+25=95, Resulting Numbers: [95] 95,58 unequal: No Solution Exploring Operation: 70-25=45, Resulting Numbers: [45] 45,58 unequal: No Solution Exploring Operation: 70*25=1750, Resulting Numbers: [1750] 1750,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 58:[51, 44], Operations: ['72-21=51', '70-26=44'] Exploring Operation: 51*44=2244, Resulting Numbers: [2244] 2244,58 unequal: No Solution Exploring Operation: 51-44=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 51+44=95, Resulting Numbers: [95] 95,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 58:[26, 72, 49], Operations: ['70-21=49'] Exploring Operation: 49-26=23, Resulting Numbers: [72, 23] Generated Node #0,0,0: 58:[72, 23] Operation: 49-26=23 Exploring Operation: 72-49=23, Resulting Numbers: [26, 23] Generated Node #0,0,1: 58:[26, 23] Operation: 72-49=23 Exploring Operation: 72-26=46, Resulting Numbers: [49, 46] Generated Node #0,0,2: 58:[49, 46] Operation: 72-26=46 Moving to Node #0,1,0 Current State: 58:[2, 5], Operations: ['72-70=2', '26-21=5'] Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,58 unequal: No Solution Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,58 unequal: No Solution Moving to Node #0,1,2 Current State: 58:[26, 23], Operations: ['72-70=2', '21+2=23'] Exploring Operation: 26+23=49, Resulting Numbers: [49] 49,58 unequal: No Solution Exploring Operation: 26*23=598, Resulting Numbers: [598] 598,58 unequal: No Solution Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,58 unequal: No Solution Moving to Node #0,1,1 Current State: 58:[21, 28], Operations: ['72-70=2', '26+2=28'] Exploring Operation: 28-21=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 21+28=49, Resulting Numbers: [49] 49,58 unequal: No Solution Exploring Operation: 21*28=588, Resulting Numbers: [588] 588,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[26, 23], Operations: ['70-21=49', '72-49=23'] Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 26*23=598, Resulting Numbers: [598] 598,58 unequal: No Solution Exploring Operation: 26+23=49, Resulting Numbers: [49] 49,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[72, 23], Operations: ['70-21=49', '49-26=23'] Exploring Operation: 72+23=95, Resulting Numbers: [95] 95,58 unequal: No Solution Exploring Operation: 72-23=49, Resulting Numbers: [49] 49,58 unequal: No Solution Exploring Operation: 72*23=1656, Resulting Numbers: [1656] 1656,58 unequal: No Solution Moving to Node #0,0,2 Current State: 58:[49, 46], Operations: ['70-21=49', '72-26=46'] Exploring Operation: 49-46=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 49*46=2254, Resulting Numbers: [2254] 2254,58 unequal: No Solution Exploring Operation: 49+46=95, Resulting Numbers: [95] 95,58 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 93, 18, 40, 80 ]
73
[ "93-18=75", "80/40=2", "75-2=73" ]
Current State: 73:[93, 18, 40, 80], Operations: [] Exploring Operation: 93-18=75, Resulting Numbers: [40, 80, 75] Generated Node #2: [40, 80, 75] from Operation: 93-18=75 Current State: 73:[40, 80, 75], Operations: ['93-18=75'] Exploring Operation: 80/40=2, Resulting Numbers: [75, 2] Generated Node #3: [75, 2] from Operation: 80/40=2 Current State: 73:[75, 2], Operations: ['93-18=75', '80/40=2'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[93, 18, 40, 80], Operations: [] Exploring Operation: 80-18=62, Resulting Numbers: [93, 40, 62] Generated Node #0,0: 73:[93, 40, 62] Operation: 80-18=62 Exploring Operation: 18+40=58, Resulting Numbers: [93, 80, 58] Generated Node #0,1: 73:[93, 80, 58] Operation: 18+40=58 Exploring Operation: 93-18=75, Resulting Numbers: [40, 80, 75] Generated Node #0,2: 73:[40, 80, 75] Operation: 93-18=75 Moving to Node #0,1 Current State: 73:[93, 80, 58], Operations: ['18+40=58'] Exploring Operation: 93-58=35, Resulting Numbers: [80, 35] Generated Node #0,1,0: 73:[80, 35] Operation: 93-58=35 Exploring Operation: 93-80=13, Resulting Numbers: [58, 13] Generated Node #0,1,1: 73:[58, 13] Operation: 93-80=13 Exploring Operation: 80-58=22, Resulting Numbers: [93, 22] Generated Node #0,1,2: 73:[93, 22] Operation: 80-58=22 Moving to Node #0,2 Current State: 73:[40, 80, 75], Operations: ['93-18=75'] Exploring Operation: 80-40=40, Resulting Numbers: [75, 40] Generated Node #0,2,0: 73:[75, 40] Operation: 80-40=40 Exploring Operation: 40+80=120, Resulting Numbers: [75, 120] Generated Node #0,2,1: 73:[75, 120] Operation: 40+80=120 Exploring Operation: 75-40=35, Resulting Numbers: [80, 35] Generated Node #0,2,2: 73:[80, 35] Operation: 75-40=35 Moving to Node #0,0 Current State: 73:[93, 40, 62], Operations: ['80-18=62'] Exploring Operation: 93+40=133, Resulting Numbers: [62, 133] Generated Node #0,0,0: 73:[62, 133] Operation: 93+40=133 Exploring Operation: 40+62=102, Resulting Numbers: [93, 102] Generated Node #0,0,1: 73:[93, 102] Operation: 40+62=102 Exploring Operation: 93-40=53, Resulting Numbers: [62, 53] Generated Node #0,0,2: 73:[62, 53] Operation: 93-40=53 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 73:[62, 53], Operations: ['80-18=62', '93-40=53'] Exploring Operation: 62*53=3286, Resulting Numbers: [3286] 3286,73 unequal: No Solution Exploring Operation: 62+53=115, Resulting Numbers: [115] 115,73 unequal: No Solution Exploring Operation: 62-53=9, Resulting Numbers: [9] 9,73 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 #0,0,1 Current State: 73:[93, 102], Operations: ['80-18=62', '40+62=102'] Exploring Operation: 93+102=195, Resulting Numbers: [195] 195,73 unequal: No Solution Exploring Operation: 93*102=9486, Resulting Numbers: [9486] 9486,73 unequal: No Solution Exploring Operation: 102-93=9, Resulting Numbers: [9] 9,73 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 #0,0,0 Current State: 73:[62, 133], Operations: ['80-18=62', '93+40=133'] Exploring Operation: 133-62=71, Resulting Numbers: [71] 71,73 unequal: No Solution Exploring Operation: 62*133=8246, Resulting Numbers: [8246] 8246,73 unequal: No Solution Exploring Operation: 62+133=195, Resulting Numbers: [195] 195,73 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: 73:[75, 40], Operations: ['93-18=75', '80-40=40'] Exploring Operation: 75*40=3000, Resulting Numbers: [3000] 3000,73 unequal: No Solution Exploring Operation: 75-40=35, Resulting Numbers: [35] 35,73 unequal: No Solution Exploring Operation: 75+40=115, Resulting Numbers: [115] 115,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[80, 35], Operations: ['18+40=58', '93-58=35'] Exploring Operation: 80-35=45, Resulting Numbers: [45] 45,73 unequal: No Solution Exploring Operation: 80+35=115, Resulting Numbers: [115] 115,73 unequal: No Solution Exploring Operation: 80*35=2800, Resulting Numbers: [2800] 2800,73 unequal: No Solution Moving to Node #0,2,2 Current State: 73:[80, 35], Operations: ['93-18=75', '75-40=35'] Exploring Operation: 80*35=2800, Resulting Numbers: [2800] 2800,73 unequal: No Solution Exploring Operation: 80-35=45, Resulting Numbers: [45] 45,73 unequal: No Solution Exploring Operation: 80+35=115, Resulting Numbers: [115] 115,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[75, 120], Operations: ['93-18=75', '40+80=120'] Exploring Operation: 120-75=45, Resulting Numbers: [45] 45,73 unequal: No Solution Exploring Operation: 75+120=195, Resulting Numbers: [195] 195,73 unequal: No Solution Exploring Operation: 75*120=9000, Resulting Numbers: [9000] 9000,73 unequal: No Solution Moving to Node #0,1,2 Current State: 73:[93, 22], Operations: ['18+40=58', '80-58=22'] Exploring Operation: 93-22=71, Resulting Numbers: [71] 71,73 unequal: No Solution Exploring Operation: 93+22=115, Resulting Numbers: [115] 115,73 unequal: No Solution Exploring Operation: 93*22=2046, Resulting Numbers: [2046] 2046,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[58, 13], Operations: ['18+40=58', '93-80=13'] Exploring Operation: 58+13=71, Resulting Numbers: [71] 71,73 unequal: No Solution Exploring Operation: 58*13=754, Resulting Numbers: [754] 754,73 unequal: No Solution Exploring Operation: 58-13=45, Resulting Numbers: [45] 45,73 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 42, 20, 27, 8 ]
97
[ "42+20=62", "27+8=35", "62+35=97" ]
Current State: 97:[42, 20, 27, 8], Operations: [] Exploring Operation: 42+20=62, Resulting Numbers: [27, 8, 62] Generated Node #2: [27, 8, 62] from Operation: 42+20=62 Current State: 97:[27, 8, 62], Operations: ['42+20=62'] Exploring Operation: 27+8=35, Resulting Numbers: [62, 35] Generated Node #3: [62, 35] from Operation: 27+8=35 Current State: 97:[62, 35], Operations: ['42+20=62', '27+8=35'] Exploring Operation: 62+35=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[42, 20, 27, 8], Operations: [] Exploring Operation: 42+20=62, Resulting Numbers: [27, 8, 62] Generated Node #0,0: 97:[27, 8, 62] Operation: 42+20=62 Exploring Operation: 42+27=69, Resulting Numbers: [20, 8, 69] Generated Node #0,1: 97:[20, 8, 69] Operation: 42+27=69 Exploring Operation: 42+8=50, Resulting Numbers: [20, 27, 50] Generated Node #0,2: 97:[20, 27, 50] Operation: 42+8=50 Exploring Operation: 20*8=160, Resulting Numbers: [42, 27, 160] Generated Node #0,3: 97:[42, 27, 160] Operation: 20*8=160 Moving to Node #0,3 Current State: 97:[42, 27, 160], Operations: ['20*8=160'] Exploring Operation: 42+27=69, Resulting Numbers: [160, 69] Generated Node #0,3,0: 97:[160, 69] Operation: 42+27=69 Exploring Operation: 160-42=118, Resulting Numbers: [27, 118] Generated Node #0,3,1: 97:[27, 118] Operation: 160-42=118 Exploring Operation: 42-27=15, Resulting Numbers: [160, 15] Generated Node #0,3,2: 97:[160, 15] Operation: 42-27=15 Exploring Operation: 160-27=133, Resulting Numbers: [42, 133] Generated Node #0,3,3: 97:[42, 133] Operation: 160-27=133 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 97:[160, 69], Operations: ['20*8=160', '42+27=69'] Exploring Operation: 160+69=229, Resulting Numbers: [229] 229,97 unequal: No Solution Exploring Operation: 160-69=91, Resulting Numbers: [91] 91,97 unequal: No Solution Exploring Operation: 160*69=11040, Resulting Numbers: [11040] 11040,97 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 #0,3,1 Current State: 97:[27, 118], Operations: ['20*8=160', '160-42=118'] Exploring Operation: 118-27=91, Resulting Numbers: [91] 91,97 unequal: No Solution Exploring Operation: 27*118=3186, Resulting Numbers: [3186] 3186,97 unequal: No Solution Exploring Operation: 27+118=145, Resulting Numbers: [145] 145,97 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 #0,3,3 Current State: 97:[42, 133], Operations: ['20*8=160', '160-27=133'] Exploring Operation: 42+133=175, Resulting Numbers: [175] 175,97 unequal: No Solution Exploring Operation: 42*133=5586, Resulting Numbers: [5586] 5586,97 unequal: No Solution Exploring Operation: 133-42=91, Resulting Numbers: [91] 91,97 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 #0,3,2 Current State: 97:[160, 15], Operations: ['20*8=160', '42-27=15'] Exploring Operation: 160*15=2400, Resulting Numbers: [2400] 2400,97 unequal: No Solution Exploring Operation: 160+15=175, Resulting Numbers: [175] 175,97 unequal: No Solution Exploring Operation: 160-15=145, Resulting Numbers: [145] 145,97 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: 97:[20, 8, 69], Operations: ['42+27=69'] Exploring Operation: 20+8=28, Resulting Numbers: [69, 28] Generated Node #0,1,0: 97:[69, 28] Operation: 20+8=28 Exploring Operation: 20*8=160, Resulting Numbers: [69, 160] Generated Node #0,1,1: 97:[69, 160] Operation: 20*8=160 Exploring Operation: 8+69=77, Resulting Numbers: [20, 77] Generated Node #0,1,2: 97:[20, 77] Operation: 8+69=77 Exploring Operation: 20+69=89, Resulting Numbers: [8, 89] Generated Node #0,1,3: 97:[8, 89] Operation: 20+69=89 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[69, 160], Operations: ['42+27=69', '20*8=160'] Exploring Operation: 69+160=229, Resulting Numbers: [229] 229,97 unequal: No Solution Exploring Operation: 69*160=11040, Resulting Numbers: [11040] 11040,97 unequal: No Solution Exploring Operation: 160-69=91, Resulting Numbers: [91] 91,97 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 #0,1,0 Current State: 97:[69, 28], Operations: ['42+27=69', '20+8=28'] Exploring Operation: 69*28=1932, Resulting Numbers: [1932] 1932,97 unequal: No Solution Exploring Operation: 69+28=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[42, 20, 27, 8], Operations: [] Exploring Operation: 42+27=69, Resulting Numbers: [20, 8, 69] Generated Node #0,1: 97:[20, 8, 69] Operation: 42+27=69 Moving to Node #0,1 Current State: 97:[20, 8, 69], Operations: ['42+27=69'] Exploring Operation: 20+8=28, Resulting Numbers: [69, 28] Generated Node #0,1,0: 97:[69, 28] Operation: 20+8=28 Moving to Node #0,1,0 Current State: 97:[69, 28], Operations: ['42+27=69', '20+8=28'] Exploring Operation: 69+28=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_4
sum_heuristic
[ 90, 55, 24, 7 ]
66
[ "90-55=35", "24+7=31", "35+31=66" ]
Current State: 66:[90, 55, 24, 7], Operations: [] Exploring Operation: 90-55=35, Resulting Numbers: [24, 7, 35] Generated Node #2: [24, 7, 35] from Operation: 90-55=35 Current State: 66:[24, 7, 35], Operations: ['90-55=35'] Exploring Operation: 24+7=31, Resulting Numbers: [35, 31] Generated Node #3: [35, 31] from Operation: 24+7=31 Current State: 66:[35, 31], Operations: ['90-55=35', '24+7=31'] Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[90, 55, 24, 7], Operations: [] Exploring Operation: 90-24=66, Resulting Numbers: [55, 7, 66] Generated Node #0,0: 66:[55, 7, 66] Operation: 90-24=66 Exploring Operation: 90-7=83, Resulting Numbers: [55, 24, 83] Generated Node #0,1: 66:[55, 24, 83] Operation: 90-7=83 Exploring Operation: 90-55=35, Resulting Numbers: [24, 7, 35] Generated Node #0,2: 66:[24, 7, 35] Operation: 90-55=35 Exploring Operation: 55-24=31, Resulting Numbers: [90, 7, 31] Generated Node #0,3: 66:[90, 7, 31] Operation: 55-24=31 Moving to Node #0,2 Current State: 66:[24, 7, 35], Operations: ['90-55=35'] Exploring Operation: 35-24=11, Resulting Numbers: [7, 11] Generated Node #0,2,0: 66:[7, 11] Operation: 35-24=11 Exploring Operation: 24-7=17, Resulting Numbers: [35, 17] Generated Node #0,2,1: 66:[35, 17] Operation: 24-7=17 Exploring Operation: 24+7=31, Resulting Numbers: [35, 31] Generated Node #0,2,2: 66:[35, 31] Operation: 24+7=31 Exploring Operation: 35/7=5, Resulting Numbers: [24, 5] Generated Node #0,2,3: 66:[24, 5] Operation: 35/7=5 Moving to Node #0,0 Current State: 66:[55, 7, 66], Operations: ['90-24=66'] Exploring Operation: 55+7=62, Resulting Numbers: [66, 62] Generated Node #0,0,0: 66:[66, 62] Operation: 55+7=62 Exploring Operation: 55-7=48, Resulting Numbers: [66, 48] Generated Node #0,0,1: 66:[66, 48] Operation: 55-7=48 Exploring Operation: 7+66=73, Resulting Numbers: [55, 73] Generated Node #0,0,2: 66:[55, 73] Operation: 7+66=73 Exploring Operation: 66-55=11, Resulting Numbers: [7, 11] Generated Node #0,0,3: 66:[7, 11] Operation: 66-55=11 Moving to Node #0,3 Current State: 66:[90, 7, 31], Operations: ['55-24=31'] Exploring Operation: 90-31=59, Resulting Numbers: [7, 59] Generated Node #0,3,0: 66:[7, 59] Operation: 90-31=59 Exploring Operation: 7+31=38, Resulting Numbers: [90, 38] Generated Node #0,3,1: 66:[90, 38] Operation: 7+31=38 Exploring Operation: 31-7=24, Resulting Numbers: [90, 24] Generated Node #0,3,2: 66:[90, 24] Operation: 31-7=24 Exploring Operation: 90-7=83, Resulting Numbers: [31, 83] Generated Node #0,3,3: 66:[31, 83] Operation: 90-7=83 Moving to Node #0,1 Current State: 66:[55, 24, 83], Operations: ['90-7=83'] Exploring Operation: 83-24=59, Resulting Numbers: [55, 59] Generated Node #0,1,0: 66:[55, 59] Operation: 83-24=59 Exploring Operation: 83-55=28, Resulting Numbers: [24, 28] Generated Node #0,1,1: 66:[24, 28] Operation: 83-55=28 Exploring Operation: 55-24=31, Resulting Numbers: [83, 31] Generated Node #0,1,2: 66:[83, 31] Operation: 55-24=31 Exploring Operation: 55+24=79, Resulting Numbers: [83, 79] Generated Node #0,1,3: 66:[83, 79] Operation: 55+24=79 Moving to Node #0,2,0 Current State: 66:[7, 11], Operations: ['90-55=35', '35-24=11'] Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,66 unequal: No Solution Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,66 unequal: No Solution Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,66 unequal: No Solution Moving to Node #0,0,3 Current State: 66:[7, 11], Operations: ['90-24=66', '66-55=11'] Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,66 unequal: No Solution Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,66 unequal: No Solution Moving to Node #0,2,3 Current State: 66:[24, 5], Operations: ['90-55=35', '35/7=5'] Exploring Operation: 24+5=29, Resulting Numbers: [29] 29,66 unequal: No Solution Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,66 unequal: No Solution Exploring Operation: 24*5=120, Resulting Numbers: [120] 120,66 unequal: No Solution Moving to Node #0,2,2 Current State: 66:[35, 31], Operations: ['90-55=35', '24+7=31'] Exploring Operation: 35*31=1085, Resulting Numbers: [1085] 1085,66 unequal: No Solution Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[90, 55, 24, 7], Operations: [] Exploring Operation: 90-55=35, Resulting Numbers: [24, 7, 35] Generated Node #0,2: 66:[24, 7, 35] Operation: 90-55=35 Moving to Node #0,2 Current State: 66:[24, 7, 35], Operations: ['90-55=35'] Exploring Operation: 24+7=31, Resulting Numbers: [35, 31] Generated Node #0,2,2: 66:[35, 31] Operation: 24+7=31 Moving to Node #0,2,2 Current State: 66:[35, 31], Operations: ['90-55=35', '24+7=31'] Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
0.969618
hs_4
sum_heuristic
[ 86, 67, 61, 72 ]
84
[ "86-72=14", "67-61=6", "14*6=84" ]
Current State: 84:[86, 67, 61, 72], Operations: [] Exploring Operation: 86-72=14, Resulting Numbers: [67, 61, 14] Generated Node #2: [67, 61, 14] from Operation: 86-72=14 Current State: 84:[67, 61, 14], Operations: ['86-72=14'] Exploring Operation: 67-61=6, Resulting Numbers: [14, 6] Generated Node #3: [14, 6] from Operation: 67-61=6 Current State: 84:[14, 6], Operations: ['86-72=14', '67-61=6'] Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[86, 67, 61, 72], Operations: [] Exploring Operation: 67-61=6, Resulting Numbers: [86, 72, 6] Generated Node #0,0: 84:[86, 72, 6] Operation: 67-61=6 Exploring Operation: 72-61=11, Resulting Numbers: [86, 67, 11] Generated Node #0,1: 84:[86, 67, 11] Operation: 72-61=11 Moving to Node #0,0 Current State: 84:[86, 72, 6], Operations: ['67-61=6'] Exploring Operation: 72/6=12, Resulting Numbers: [86, 12] Generated Node #0,0,0: 84:[86, 12] Operation: 72/6=12 Exploring Operation: 86-72=14, Resulting Numbers: [6, 14] Generated Node #0,0,1: 84:[6, 14] Operation: 86-72=14 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[6, 14], Operations: ['67-61=6', '86-72=14'] Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[86, 67, 61, 72], Operations: [] Exploring Operation: 67-61=6, Resulting Numbers: [86, 72, 6] Generated Node #0,0: 84:[86, 72, 6] Operation: 67-61=6 Moving to Node #0,0 Current State: 84:[86, 72, 6], Operations: ['67-61=6'] Exploring Operation: 86-72=14, Resulting Numbers: [6, 14] Generated Node #0,0,1: 84:[6, 14] Operation: 86-72=14 Moving to Node #0,0,1 Current State: 84:[6, 14], Operations: ['67-61=6', '86-72=14'] Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 20, 33, 67, 53 ]
48
[ "33+67=100", "100/20=5", "53-5=48" ]
Current State: 48:[20, 33, 67, 53], Operations: [] Exploring Operation: 33+67=100, Resulting Numbers: [20, 53, 100] Generated Node #2: [20, 53, 100] from Operation: 33+67=100 Current State: 48:[20, 53, 100], Operations: ['33+67=100'] Exploring Operation: 100/20=5, Resulting Numbers: [53, 5] Generated Node #3: [53, 5] from Operation: 100/20=5 Current State: 48:[53, 5], Operations: ['33+67=100', '100/20=5'] Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[20, 33, 67, 53], Operations: [] Exploring Operation: 67-20=47, Resulting Numbers: [33, 53, 47] Generated Node #0,0: 48:[33, 53, 47] Operation: 67-20=47 Moving to Node #0,0 Current State: 48:[33, 53, 47], Operations: ['67-20=47'] Exploring Operation: 53-33=20, Resulting Numbers: [47, 20] Generated Node #0,0,0: 48:[47, 20] Operation: 53-33=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[47, 20], Operations: ['67-20=47', '53-33=20'] Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 63, 33, 17, 19 ]
48
[ "63+33=96", "19-17=2", "96/2=48" ]
Current State: 48:[63, 33, 17, 19], Operations: [] Exploring Operation: 63+33=96, Resulting Numbers: [17, 19, 96] Generated Node #2: [17, 19, 96] from Operation: 63+33=96 Current State: 48:[17, 19, 96], Operations: ['63+33=96'] Exploring Operation: 19-17=2, Resulting Numbers: [96, 2] Generated Node #3: [96, 2] from Operation: 19-17=2 Current State: 48:[96, 2], Operations: ['63+33=96', '19-17=2'] Exploring Operation: 96/2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[63, 33, 17, 19], Operations: [] Exploring Operation: 63-33=30, Resulting Numbers: [17, 19, 30] Generated Node #0,0: 48:[17, 19, 30] Operation: 63-33=30 Moving to Node #0,0 Current State: 48:[17, 19, 30], Operations: ['63-33=30'] Exploring Operation: 19+30=49, Resulting Numbers: [17, 49] Generated Node #0,0,0: 48:[17, 49] Operation: 19+30=49 Moving to Node #0,0,0 Current State: 48:[17, 49], Operations: ['63-33=30', '19+30=49'] Exploring Operation: 49-17=32, Resulting Numbers: [32] 32,48 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 97, 29, 52, 39 ]
51
[ "97-29=68", "39*68=2652", "2652/52=51" ]
Current State: 51:[97, 29, 52, 39], Operations: [] Exploring Operation: 97-29=68, Resulting Numbers: [52, 39, 68] Generated Node #2: [52, 39, 68] from Operation: 97-29=68 Current State: 51:[52, 39, 68], Operations: ['97-29=68'] Exploring Operation: 39*68=2652, Resulting Numbers: [52, 2652] Generated Node #3: [52, 2652] from Operation: 39*68=2652 Current State: 51:[52, 2652], Operations: ['97-29=68', '39*68=2652'] Exploring Operation: 2652/52=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[97, 29, 52, 39], Operations: [] Exploring Operation: 39-29=10, Resulting Numbers: [97, 52, 10] Generated Node #0,0: 51:[97, 52, 10] Operation: 39-29=10 Exploring Operation: 97-29=68, Resulting Numbers: [52, 39, 68] Generated Node #0,1: 51:[52, 39, 68] Operation: 97-29=68 Exploring Operation: 97-52=45, Resulting Numbers: [29, 39, 45] Generated Node #0,2: 51:[29, 39, 45] Operation: 97-52=45 Exploring Operation: 97-39=58, Resulting Numbers: [29, 52, 58] Generated Node #0,3: 51:[29, 52, 58] Operation: 97-39=58 Moving to Node #0,3 Current State: 51:[29, 52, 58], Operations: ['97-39=58'] Exploring Operation: 58-52=6, Resulting Numbers: [29, 6] Generated Node #0,3,0: 51:[29, 6] Operation: 58-52=6 Exploring Operation: 58/29=2, Resulting Numbers: [52, 2] Generated Node #0,3,1: 51:[52, 2] Operation: 58/29=2 Exploring Operation: 52-29=23, Resulting Numbers: [58, 23] Generated Node #0,3,2: 51:[58, 23] Operation: 52-29=23 Exploring Operation: 58-29=29, Resulting Numbers: [52, 29] Generated Node #0,3,3: 51:[52, 29] Operation: 58-29=29 Moving to Node #0,2 Current State: 51:[29, 39, 45], Operations: ['97-52=45'] Exploring Operation: 45-29=16, Resulting Numbers: [39, 16] Generated Node #0,2,0: 51:[39, 16] Operation: 45-29=16 Exploring Operation: 39-29=10, Resulting Numbers: [45, 10] Generated Node #0,2,1: 51:[45, 10] Operation: 39-29=10 Exploring Operation: 45-39=6, Resulting Numbers: [29, 6] Generated Node #0,2,2: 51:[29, 6] Operation: 45-39=6 Exploring Operation: 29+39=68, Resulting Numbers: [45, 68] Generated Node #0,2,3: 51:[45, 68] Operation: 29+39=68 Moving to Node #0,1 Current State: 51:[52, 39, 68], Operations: ['97-29=68'] Exploring Operation: 52-39=13, Resulting Numbers: [68, 13] Generated Node #0,1,0: 51:[68, 13] Operation: 52-39=13 Exploring Operation: 68-52=16, Resulting Numbers: [39, 16] Generated Node #0,1,1: 51:[39, 16] Operation: 68-52=16 Exploring Operation: 68-39=29, Resulting Numbers: [52, 29] Generated Node #0,1,2: 51:[52, 29] Operation: 68-39=29 Exploring Operation: 52+39=91, Resulting Numbers: [68, 91] Generated Node #0,1,3: 51:[68, 91] Operation: 52+39=91 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 51:[39, 16], Operations: ['97-29=68', '68-52=16'] Exploring Operation: 39-16=23, Resulting Numbers: [23] 23,51 unequal: No Solution Exploring Operation: 39*16=624, Resulting Numbers: [624] 624,51 unequal: No Solution Exploring Operation: 39+16=55, Resulting Numbers: [55] 55,51 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 #0,1,2 Current State: 51:[52, 29], Operations: ['97-29=68', '68-39=29'] Exploring Operation: 52-29=23, Resulting Numbers: [23] 23,51 unequal: No Solution Exploring Operation: 52+29=81, Resulting Numbers: [81] 81,51 unequal: No Solution Exploring Operation: 52*29=1508, Resulting Numbers: [1508] 1508,51 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:[68, 13], Operations: ['97-29=68', '52-39=13'] Exploring Operation: 68+13=81, Resulting Numbers: [81] 81,51 unequal: No Solution Exploring Operation: 68-13=55, Resulting Numbers: [55] 55,51 unequal: No Solution Exploring Operation: 68*13=884, Resulting Numbers: [884] 884,51 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 #0,1,3 Current State: 51:[68, 91], Operations: ['97-29=68', '52+39=91'] Exploring Operation: 68+91=159, Resulting Numbers: [159] 159,51 unequal: No Solution Exploring Operation: 68*91=6188, Resulting Numbers: [6188] 6188,51 unequal: No Solution Exploring Operation: 91-68=23, Resulting Numbers: [23] 23,51 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:[97, 52, 10], Operations: ['39-29=10'] Exploring Operation: 97-52=45, Resulting Numbers: [10, 45] Generated Node #0,0,0: 51:[10, 45] Operation: 97-52=45 Exploring Operation: 97+10=107, Resulting Numbers: [52, 107] Generated Node #0,0,1: 51:[52, 107] Operation: 97+10=107 Exploring Operation: 97-10=87, Resulting Numbers: [52, 87] Generated Node #0,0,2: 51:[52, 87] Operation: 97-10=87 Exploring Operation: 52-10=42, Resulting Numbers: [97, 42] Generated Node #0,0,3: 51:[97, 42] Operation: 52-10=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[10, 45], Operations: ['39-29=10', '97-52=45'] Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,51 unequal: No Solution Exploring Operation: 10*45=450, Resulting Numbers: [450] 450,51 unequal: No Solution Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,51 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 #0,0,2 Current State: 51:[52, 87], Operations: ['39-29=10', '97-10=87'] Exploring Operation: 52+87=139, Resulting Numbers: [139] 139,51 unequal: No Solution Exploring Operation: 52*87=4524, Resulting Numbers: [4524] 4524,51 unequal: No Solution Exploring Operation: 87-52=35, Resulting Numbers: [35] 35,51 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 #0,0,3 Current State: 51:[97, 42], Operations: ['39-29=10', '52-10=42'] Exploring Operation: 97*42=4074, Resulting Numbers: [4074] 4074,51 unequal: No Solution Exploring Operation: 97-42=55, Resulting Numbers: [55] 55,51 unequal: No Solution Exploring Operation: 97+42=139, Resulting Numbers: [139] 139,51 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 #0,0,1 Current State: 51:[52, 107], Operations: ['39-29=10', '97+10=107'] Exploring Operation: 107-52=55, Resulting Numbers: [55] 55,51 unequal: No Solution Exploring Operation: 52*107=5564, Resulting Numbers: [5564] 5564,51 unequal: No Solution Exploring Operation: 52+107=159, Resulting Numbers: [159] 159,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 51:[52, 2], Operations: ['97-39=58', '58/29=2'] Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,51 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,51 unequal: No Solution Exploring Operation: 52*2=104, Resulting Numbers: [104] 104,51 unequal: No Solution Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,51 unequal: No Solution Moving to Node #0,3,3 Current State: 51:[52, 29], Operations: ['97-39=58', '58-29=29'] Exploring Operation: 52+29=81, Resulting Numbers: [81] 81,51 unequal: No Solution Exploring Operation: 52-29=23, Resulting Numbers: [23] 23,51 unequal: No Solution Exploring Operation: 52*29=1508, Resulting Numbers: [1508] 1508,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[45, 10], Operations: ['97-52=45', '39-29=10'] Exploring Operation: 45+10=55, Resulting Numbers: [55] 55,51 unequal: No Solution Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,51 unequal: No Solution Exploring Operation: 45*10=450, Resulting Numbers: [450] 450,51 unequal: No Solution Moving to Node #0,3,2 Current State: 51:[58, 23], Operations: ['97-39=58', '52-29=23'] Exploring Operation: 58-23=35, Resulting Numbers: [35] 35,51 unequal: No Solution Exploring Operation: 58*23=1334, Resulting Numbers: [1334] 1334,51 unequal: No Solution Exploring Operation: 58+23=81, Resulting Numbers: [81] 81,51 unequal: No Solution Moving to Node #0,2,0 Current State: 51:[39, 16], Operations: ['97-52=45', '45-29=16'] Exploring Operation: 39+16=55, Resulting Numbers: [55] 55,51 unequal: No Solution Exploring Operation: 39-16=23, Resulting Numbers: [23] 23,51 unequal: No Solution Exploring Operation: 39*16=624, Resulting Numbers: [624] 624,51 unequal: No Solution Moving to Node #0,2,2 Current State: 51:[29, 6], Operations: ['97-52=45', '45-39=6'] Exploring Operation: 29*6=174, Resulting Numbers: [174] 174,51 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,51 unequal: No Solution Exploring Operation: 29+6=35, Resulting Numbers: [35] 35,51 unequal: No Solution Moving to Node #0,3,0 Current State: 51:[29, 6], Operations: ['97-39=58', '58-52=6'] Exploring Operation: 29+6=35, Resulting Numbers: [35] 35,51 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,51 unequal: No Solution Exploring Operation: 29*6=174, Resulting Numbers: [174] 174,51 unequal: No Solution Moving to Node #0,2,3 Current State: 51:[45, 68], Operations: ['97-52=45', '29+39=68'] Exploring Operation: 68-45=23, Resulting Numbers: [23] 23,51 unequal: No Solution Exploring Operation: 45+68=113, Resulting Numbers: [113] 113,51 unequal: No Solution Exploring Operation: 45*68=3060, Resulting Numbers: [3060] 3060,51 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 5, 5, 87, 44 ]
44
[ "5-5=0", "87*0=0", "44+0=44" ]
Current State: 44:[5, 5, 87, 44], Operations: [] Exploring Operation: 5-5=0, Resulting Numbers: [87, 44, 0] Generated Node #2: [87, 44, 0] from Operation: 5-5=0 Current State: 44:[87, 44, 0], Operations: ['5-5=0'] Exploring Operation: 87*0=0, Resulting Numbers: [44, 0] Generated Node #3: [44, 0] from Operation: 87*0=0 Current State: 44:[44, 0], Operations: ['5-5=0', '87*0=0'] Exploring Operation: 44+0=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[5, 5, 87, 44], Operations: [] Exploring Operation: 87-5=82, Resulting Numbers: [5, 44, 82] Generated Node #0,0: 44:[5, 44, 82] Operation: 87-5=82 Exploring Operation: 87-44=43, Resulting Numbers: [5, 5, 43] Generated Node #0,1: 44:[5, 5, 43] Operation: 87-44=43 Exploring Operation: 87-5=82, Resulting Numbers: [5, 44, 82] Generated Node #0,2: 44:[5, 44, 82] Operation: 87-5=82 Exploring Operation: 5/5=1, Resulting Numbers: [87, 44, 1] Generated Node #0,3: 44:[87, 44, 1] Operation: 5/5=1 Exploring Operation: 5+5=10, Resulting Numbers: [87, 44, 10] Generated Node #0,4: 44:[87, 44, 10] Operation: 5+5=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[5, 5, 43], Operations: ['87-44=43'] Exploring Operation: 5*5=25, Resulting Numbers: [43, 25] Generated Node #0,1,0: 44:[43, 25] Operation: 5*5=25 Exploring Operation: 5+5=10, Resulting Numbers: [43, 10] Generated Node #0,1,1: 44:[43, 10] Operation: 5+5=10 Exploring Operation: 5+43=48, Resulting Numbers: [5, 48] Generated Node #0,1,2: 44:[5, 48] Operation: 5+43=48 Exploring Operation: 5-5=0, Resulting Numbers: [43, 0] Generated Node #0,1,3: 44:[43, 0] Operation: 5-5=0 Exploring Operation: 5/5=1, Resulting Numbers: [43, 1] Generated Node #0,1,4: 44:[43, 1] Operation: 5/5=1 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 44:[43, 10], Operations: ['87-44=43', '5+5=10'] Exploring Operation: 43*10=430, Resulting Numbers: [430] 430,44 unequal: No Solution Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,44 unequal: No Solution Exploring Operation: 43+10=53, Resulting Numbers: [53] 53,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 44:[43, 1], Operations: ['87-44=43', '5/5=1'] Exploring Operation: 43+1=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[5, 5, 87, 44], Operations: [] Exploring Operation: 87-44=43, Resulting Numbers: [5, 5, 43] Generated Node #0,1: 44:[5, 5, 43] Operation: 87-44=43 Moving to Node #0,1 Current State: 44:[5, 5, 43], Operations: ['87-44=43'] Exploring Operation: 5/5=1, Resulting Numbers: [43, 1] Generated Node #0,1,4: 44:[43, 1] Operation: 5/5=1 Moving to Node #0,1,4 Current State: 44:[43, 1], Operations: ['87-44=43', '5/5=1'] Exploring Operation: 43+1=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 22, 45, 89, 67 ]
46
[ "89-22=67", "67/67=1", "45+1=46" ]
Current State: 46:[22, 45, 89, 67], Operations: [] Exploring Operation: 89-22=67, Resulting Numbers: [45, 67, 67] Generated Node #2: [45, 67, 67] from Operation: 89-22=67 Current State: 46:[45, 67, 67], Operations: ['89-22=67'] Exploring Operation: 67/67=1, Resulting Numbers: [45, 1] Generated Node #3: [45, 1] from Operation: 67/67=1 Current State: 46:[45, 1], Operations: ['89-22=67', '67/67=1'] Exploring Operation: 45+1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[22, 45, 89, 67], Operations: [] Exploring Operation: 89-67=22, Resulting Numbers: [22, 45, 22] Generated Node #0,0: 46:[22, 45, 22] Operation: 89-67=22 Moving to Node #0,0 Current State: 46:[22, 45, 22], Operations: ['89-67=22'] Exploring Operation: 45-22=23, Resulting Numbers: [22, 23] Generated Node #0,0,0: 46:[22, 23] Operation: 45-22=23 Moving to Node #0,0,0 Current State: 46:[22, 23], Operations: ['89-67=22', '45-22=23'] Exploring Operation: 22+23=45, Resulting Numbers: [45] 45,46 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 34, 21, 17, 6 ]
63
[ "34/17=2", "21*6=126", "126/2=63" ]
Current State: 63:[34, 21, 17, 6], Operations: [] Exploring Operation: 34/17=2, Resulting Numbers: [21, 6, 2] Generated Node #2: [21, 6, 2] from Operation: 34/17=2 Current State: 63:[21, 6, 2], Operations: ['34/17=2'] Exploring Operation: 21*6=126, Resulting Numbers: [2, 126] Generated Node #3: [2, 126] from Operation: 21*6=126 Current State: 63:[2, 126], Operations: ['34/17=2', '21*6=126'] Exploring Operation: 126/2=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[34, 21, 17, 6], Operations: [] Exploring Operation: 34/17=2, Resulting Numbers: [21, 6, 2] Generated Node #0,0: 63:[21, 6, 2] Operation: 34/17=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[21, 6, 2], Operations: ['34/17=2'] Exploring Operation: 6/2=3, Resulting Numbers: [21, 3] Generated Node #0,0,0: 63:[21, 3] Operation: 6/2=3 Moving to Node #0,0,0 Current State: 63:[21, 3], Operations: ['34/17=2', '6/2=3'] Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[34, 21, 17, 6], Operations: [] Exploring Operation: 34/17=2, Resulting Numbers: [21, 6, 2] Generated Node #0,0: 63:[21, 6, 2] Operation: 34/17=2 Moving to Node #0,0 Current State: 63:[21, 6, 2], Operations: ['34/17=2'] Exploring Operation: 6/2=3, Resulting Numbers: [21, 3] Generated Node #0,0,0: 63:[21, 3] Operation: 6/2=3 Moving to Node #0,0,0 Current State: 63:[21, 3], Operations: ['34/17=2', '6/2=3'] Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 58, 64, 33, 62 ]
66
[ "62-33=29", "58/29=2", "64+2=66" ]
Current State: 66:[58, 64, 33, 62], Operations: [] Exploring Operation: 62-33=29, Resulting Numbers: [58, 64, 29] Generated Node #2: [58, 64, 29] from Operation: 62-33=29 Current State: 66:[58, 64, 29], Operations: ['62-33=29'] Exploring Operation: 58/29=2, Resulting Numbers: [64, 2] Generated Node #3: [64, 2] from Operation: 58/29=2 Current State: 66:[64, 2], Operations: ['62-33=29', '58/29=2'] Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[58, 64, 33, 62], Operations: [] Exploring Operation: 62-58=4, Resulting Numbers: [64, 33, 4] Generated Node #0,0: 66:[64, 33, 4] Operation: 62-58=4 Exploring Operation: 58-33=25, Resulting Numbers: [64, 62, 25] Generated Node #0,1: 66:[64, 62, 25] Operation: 58-33=25 Exploring Operation: 64-62=2, Resulting Numbers: [58, 33, 2] Generated Node #0,2: 66:[58, 33, 2] Operation: 64-62=2 Exploring Operation: 64-33=31, Resulting Numbers: [58, 62, 31] Generated Node #0,3: 66:[58, 62, 31] Operation: 64-33=31 Exploring Operation: 64-58=6, Resulting Numbers: [33, 62, 6] Generated Node #0,4: 66:[33, 62, 6] Operation: 64-58=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[64, 33, 4], Operations: ['62-58=4'] Exploring Operation: 64-33=31, Resulting Numbers: [4, 31] Generated Node #0,0,0: 66:[4, 31] Operation: 64-33=31 Exploring Operation: 33+4=37, Resulting Numbers: [64, 37] Generated Node #0,0,1: 66:[64, 37] Operation: 33+4=37 Exploring Operation: 64/4=16, Resulting Numbers: [33, 16] Generated Node #0,0,2: 66:[33, 16] Operation: 64/4=16 Exploring Operation: 64+4=68, Resulting Numbers: [33, 68] Generated Node #0,0,3: 66:[33, 68] Operation: 64+4=68 Exploring Operation: 64-4=60, Resulting Numbers: [33, 60] Generated Node #0,0,4: 66:[33, 60] Operation: 64-4=60 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 66:[33, 68], Operations: ['62-58=4', '64+4=68'] Exploring Operation: 68-33=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 33+68=101, Resulting Numbers: [101] 101,66 unequal: No Solution Exploring Operation: 33*68=2244, Resulting Numbers: [2244] 2244,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[4, 31], Operations: ['62-58=4', '64-33=31'] Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 4*31=124, Resulting Numbers: [124] 124,66 unequal: No Solution Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 66:[33, 16], Operations: ['62-58=4', '64/4=16'] Exploring Operation: 33+16=49, Resulting Numbers: [49] 49,66 unequal: No Solution Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,66 unequal: No Solution Exploring Operation: 33*16=528, Resulting Numbers: [528] 528,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 66:[64, 37], Operations: ['62-58=4', '33+4=37'] Exploring Operation: 64-37=27, Resulting Numbers: [27] 27,66 unequal: No Solution Exploring Operation: 64*37=2368, Resulting Numbers: [2368] 2368,66 unequal: No Solution Exploring Operation: 64+37=101, Resulting Numbers: [101] 101,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 66:[33, 60], Operations: ['62-58=4', '64-4=60'] Exploring Operation: 60-33=27, Resulting Numbers: [27] 27,66 unequal: No Solution Exploring Operation: 33+60=93, Resulting Numbers: [93] 93,66 unequal: No Solution Exploring Operation: 33*60=1980, Resulting Numbers: [1980] 1980,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 66:[33, 62, 6], Operations: ['64-58=6'] Exploring Operation: 62+6=68, Resulting Numbers: [33, 68] Generated Node #0,4,0: 66:[33, 68] Operation: 62+6=68 Exploring Operation: 33-6=27, Resulting Numbers: [62, 27] Generated Node #0,4,1: 66:[62, 27] Operation: 33-6=27 Exploring Operation: 62-6=56, Resulting Numbers: [33, 56] Generated Node #0,4,2: 66:[33, 56] Operation: 62-6=56 Exploring Operation: 62-33=29, Resulting Numbers: [6, 29] Generated Node #0,4,3: 66:[6, 29] Operation: 62-33=29 Exploring Operation: 33+6=39, Resulting Numbers: [62, 39] Generated Node #0,4,4: 66:[62, 39] Operation: 33+6=39 Moving to Node #0,4,0 Current State: 66:[33, 68], Operations: ['64-58=6', '62+6=68'] Exploring Operation: 33*68=2244, Resulting Numbers: [2244] 2244,66 unequal: No Solution Exploring Operation: 33+68=101, Resulting Numbers: [101] 101,66 unequal: No Solution Exploring Operation: 68-33=35, Resulting Numbers: [35] 35,66 unequal: No Solution Moving to Node #0,4,3 Current State: 66:[6, 29], Operations: ['64-58=6', '62-33=29'] Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,66 unequal: No Solution Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,66 unequal: No Solution Moving to Node #0,4,1 Current State: 66:[62, 27], Operations: ['64-58=6', '33-6=27'] Exploring Operation: 62+27=89, Resulting Numbers: [89] 89,66 unequal: No Solution Exploring Operation: 62*27=1674, Resulting Numbers: [1674] 1674,66 unequal: No Solution Exploring Operation: 62-27=35, Resulting Numbers: [35] 35,66 unequal: No Solution Moving to Node #0,4,2 Current State: 66:[33, 56], Operations: ['64-58=6', '62-6=56'] Exploring Operation: 56-33=23, Resulting Numbers: [23] 23,66 unequal: No Solution Exploring Operation: 33*56=1848, Resulting Numbers: [1848] 1848,66 unequal: No Solution Exploring Operation: 33+56=89, Resulting Numbers: [89] 89,66 unequal: No Solution Moving to Node #0,4,4 Current State: 66:[62, 39], Operations: ['64-58=6', '33+6=39'] Exploring Operation: 62*39=2418, Resulting Numbers: [2418] 2418,66 unequal: No Solution Exploring Operation: 62-39=23, Resulting Numbers: [23] 23,66 unequal: No Solution Exploring Operation: 62+39=101, Resulting Numbers: [101] 101,66 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 Current State: 66:[58, 33, 2], Operations: ['64-62=2'] Exploring Operation: 58+2=60, Resulting Numbers: [33, 60] Generated Node #0,2,0: 66:[33, 60] Operation: 58+2=60 Exploring Operation: 58-2=56, Resulting Numbers: [33, 56] Generated Node #0,2,1: 66:[33, 56] Operation: 58-2=56 Exploring Operation: 58-33=25, Resulting Numbers: [2, 25] Generated Node #0,2,2: 66:[2, 25] Operation: 58-33=25 Exploring Operation: 58/2=29, Resulting Numbers: [33, 29] Generated Node #0,2,3: 66:[33, 29] Operation: 58/2=29 Exploring Operation: 33*2=66, Resulting Numbers: [58, 66] Generated Node #0,2,4: 66:[58, 66] Operation: 33*2=66 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 66:[2, 25], Operations: ['64-62=2', '58-33=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,66 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,66 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 66:[33, 29], Operations: ['64-62=2', '58/2=29'] Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 33+29=62, Resulting Numbers: [62] 62,66 unequal: No Solution Exploring Operation: 33*29=957, Resulting Numbers: [957] 957,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 66:[33, 60], Operations: ['64-62=2', '58+2=60'] Exploring Operation: 33+60=93, Resulting Numbers: [93] 93,66 unequal: No Solution Exploring Operation: 33*60=1980, Resulting Numbers: [1980] 1980,66 unequal: No Solution Exploring Operation: 60-33=27, Resulting Numbers: [27] 27,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 66:[58, 66], Operations: ['64-62=2', '33*2=66'] Exploring Operation: 58+66=124, Resulting Numbers: [124] 124,66 unequal: No Solution Exploring Operation: 58*66=3828, Resulting Numbers: [3828] 3828,66 unequal: No Solution Exploring Operation: 66-58=8, Resulting Numbers: [8] 8,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 66:[33, 56], Operations: ['64-62=2', '58-2=56'] Exploring Operation: 56-33=23, Resulting Numbers: [23] 23,66 unequal: No Solution Exploring Operation: 33*56=1848, Resulting Numbers: [1848] 1848,66 unequal: No Solution Exploring Operation: 33+56=89, Resulting Numbers: [89] 89,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[64, 62, 25], Operations: ['58-33=25'] Exploring Operation: 64+25=89, Resulting Numbers: [62, 89] Generated Node #0,1,0: 66:[62, 89] Operation: 64+25=89 Exploring Operation: 64-25=39, Resulting Numbers: [62, 39] Generated Node #0,1,1: 66:[62, 39] Operation: 64-25=39 Exploring Operation: 64-62=2, Resulting Numbers: [25, 2] Generated Node #0,1,2: 66:[25, 2] Operation: 64-62=2 Exploring Operation: 62-25=37, Resulting Numbers: [64, 37] Generated Node #0,1,3: 66:[64, 37] Operation: 62-25=37 Exploring Operation: 62+25=87, Resulting Numbers: [64, 87] Generated Node #0,1,4: 66:[64, 87] Operation: 62+25=87 Moving to Node #0,1,2 Current State: 66:[25, 2], Operations: ['58-33=25', '64-62=2'] Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,66 unequal: No Solution Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,66 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,66 unequal: No Solution Moving to Node #0,1,3 Current State: 66:[64, 37], Operations: ['58-33=25', '62-25=37'] Exploring Operation: 64-37=27, Resulting Numbers: [27] 27,66 unequal: No Solution Exploring Operation: 64+37=101, Resulting Numbers: [101] 101,66 unequal: No Solution Exploring Operation: 64*37=2368, Resulting Numbers: [2368] 2368,66 unequal: No Solution Moving to Node #0,1,1 Current State: 66:[62, 39], Operations: ['58-33=25', '64-25=39'] Exploring Operation: 62+39=101, Resulting Numbers: [101] 101,66 unequal: No Solution Exploring Operation: 62*39=2418, Resulting Numbers: [2418] 2418,66 unequal: No Solution Exploring Operation: 62-39=23, Resulting Numbers: [23] 23,66 unequal: No Solution Moving to Node #0,1,4 Current State: 66:[64, 87], Operations: ['58-33=25', '62+25=87'] Exploring Operation: 64*87=5568, Resulting Numbers: [5568] 5568,66 unequal: No Solution Exploring Operation: 64+87=151, Resulting Numbers: [151] 151,66 unequal: No Solution Exploring Operation: 87-64=23, Resulting Numbers: [23] 23,66 unequal: No Solution Moving to Node #0,1,0 Current State: 66:[62, 89], Operations: ['58-33=25', '64+25=89'] Exploring Operation: 62*89=5518, Resulting Numbers: [5518] 5518,66 unequal: No Solution Exploring Operation: 89-62=27, Resulting Numbers: [27] 27,66 unequal: No Solution Exploring Operation: 62+89=151, Resulting Numbers: [151] 151,66 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 #0,3 Current State: 66:[58, 62, 31], Operations: ['64-33=31'] Exploring Operation: 62-31=31, Resulting Numbers: [58, 31] Generated Node #0,3,0: 66:[58, 31] Operation: 62-31=31 Exploring Operation: 62/31=2, Resulting Numbers: [58, 2] Generated Node #0,3,1: 66:[58, 2] Operation: 62/31=2 Exploring Operation: 62-58=4, Resulting Numbers: [31, 4] Generated Node #0,3,2: 66:[31, 4] Operation: 62-58=4 Exploring Operation: 58+31=89, Resulting Numbers: [62, 89] Generated Node #0,3,3: 66:[62, 89] Operation: 58+31=89 Exploring Operation: 58-31=27, Resulting Numbers: [62, 27] Generated Node #0,3,4: 66:[62, 27] Operation: 58-31=27 Moving to Node #0,3,2 Current State: 66:[31, 4], Operations: ['64-33=31', '62-58=4'] Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,66 unequal: No Solution Exploring Operation: 31*4=124, Resulting Numbers: [124] 124,66 unequal: No Solution Exploring Operation: 31+4=35, Resulting Numbers: [35] 35,66 unequal: No Solution Moving to Node #0,3,1 Current State: 66:[58, 2], Operations: ['64-33=31', '62/31=2'] Exploring Operation: 58*2=116, Resulting Numbers: [116] 116,66 unequal: No Solution Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,66 unequal: No Solution Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,66 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,66 unequal: No Solution Moving to Node #0,3,4 Current State: 66:[62, 27], Operations: ['64-33=31', '58-31=27'] Exploring Operation: 62*27=1674, Resulting Numbers: [1674] 1674,66 unequal: No Solution Exploring Operation: 62-27=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 62+27=89, Resulting Numbers: [89] 89,66 unequal: No Solution Moving to Node #0,3,0 Current State: 66:[58, 31], Operations: ['64-33=31', '62-31=31'] Exploring Operation: 58+31=89, Resulting Numbers: [89] 89,66 unequal: No Solution Exploring Operation: 58*31=1798, Resulting Numbers: [1798] 1798,66 unequal: No Solution Exploring Operation: 58-31=27, Resulting Numbers: [27] 27,66 unequal: No Solution Moving to Node #0,3,3 Current State: 66:[62, 89], Operations: ['64-33=31', '58+31=89'] Exploring Operation: 62*89=5518, Resulting Numbers: [5518] 5518,66 unequal: No Solution Exploring Operation: 89-62=27, Resulting Numbers: [27] 27,66 unequal: No Solution Exploring Operation: 62+89=151, Resulting Numbers: [151] 151,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 81, 32, 4, 5 ]
48
[ "81-32=49", "5-4=1", "49-1=48" ]
Current State: 48:[81, 32, 4, 5], Operations: [] Exploring Operation: 81-32=49, Resulting Numbers: [4, 5, 49] Generated Node #2: [4, 5, 49] from Operation: 81-32=49 Current State: 48:[4, 5, 49], Operations: ['81-32=49'] Exploring Operation: 5-4=1, Resulting Numbers: [49, 1] Generated Node #3: [49, 1] from Operation: 5-4=1 Current State: 48:[49, 1], Operations: ['81-32=49', '5-4=1'] Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[81, 32, 4, 5], Operations: [] Exploring Operation: 81-32=49, Resulting Numbers: [4, 5, 49] Generated Node #0,0: 48:[4, 5, 49] Operation: 81-32=49 Moving to Node #0,0 Current State: 48:[4, 5, 49], Operations: ['81-32=49'] Exploring Operation: 4+5=9, Resulting Numbers: [49, 9] Generated Node #0,0,0: 48:[49, 9] Operation: 4+5=9 Moving to Node #0,0,0 Current State: 48:[49, 9], Operations: ['81-32=49', '4+5=9'] Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,48 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 51, 10, 39, 70 ]
72
[ "51-10=41", "70-39=31", "41+31=72" ]
Current State: 72:[51, 10, 39, 70], Operations: [] Exploring Operation: 51-10=41, Resulting Numbers: [39, 70, 41] Generated Node #2: [39, 70, 41] from Operation: 51-10=41 Current State: 72:[39, 70, 41], Operations: ['51-10=41'] Exploring Operation: 70-39=31, Resulting Numbers: [41, 31] Generated Node #3: [41, 31] from Operation: 70-39=31 Current State: 72:[41, 31], Operations: ['51-10=41', '70-39=31'] Exploring Operation: 41+31=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[51, 10, 39, 70], Operations: [] Exploring Operation: 51-39=12, Resulting Numbers: [10, 70, 12] Generated Node #0,0: 72:[10, 70, 12] Operation: 51-39=12 Exploring Operation: 70-51=19, Resulting Numbers: [10, 39, 19] Generated Node #0,1: 72:[10, 39, 19] Operation: 70-51=19 Exploring Operation: 51-10=41, Resulting Numbers: [39, 70, 41] Generated Node #0,2: 72:[39, 70, 41] Operation: 51-10=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[10, 70, 12], Operations: ['51-39=12'] Exploring Operation: 70/10=7, Resulting Numbers: [12, 7] Generated Node #0,0,0: 72:[12, 7] Operation: 70/10=7 Exploring Operation: 12-10=2, Resulting Numbers: [70, 2] Generated Node #0,0,1: 72:[70, 2] Operation: 12-10=2 Exploring Operation: 10+12=22, Resulting Numbers: [70, 22] Generated Node #0,0,2: 72:[70, 22] Operation: 10+12=22 Moving to Node #0,0,0 Current State: 72:[12, 7], Operations: ['51-39=12', '70/10=7'] Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,72 unequal: No Solution Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,72 unequal: No Solution Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[70, 2], Operations: ['51-39=12', '12-10=2'] Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,72 unequal: No Solution Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,72 unequal: No Solution Exploring Operation: 70+2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[51, 10, 39, 70], Operations: [] Exploring Operation: 51-39=12, Resulting Numbers: [10, 70, 12] Generated Node #0,0: 72:[10, 70, 12] Operation: 51-39=12 Moving to Node #0,0 Current State: 72:[10, 70, 12], Operations: ['51-39=12'] Exploring Operation: 12-10=2, Resulting Numbers: [70, 2] Generated Node #0,0,1: 72:[70, 2] Operation: 12-10=2 Moving to Node #0,0,1 Current State: 72:[70, 2], Operations: ['51-39=12', '12-10=2'] Exploring Operation: 70+2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 65, 31, 2, 90 ]
51
[ "65+31=96", "90/2=45", "96-45=51" ]
Current State: 51:[65, 31, 2, 90], Operations: [] Exploring Operation: 65+31=96, Resulting Numbers: [2, 90, 96] Generated Node #2: [2, 90, 96] from Operation: 65+31=96 Current State: 51:[2, 90, 96], Operations: ['65+31=96'] Exploring Operation: 90/2=45, Resulting Numbers: [96, 45] Generated Node #3: [96, 45] from Operation: 90/2=45 Current State: 51:[96, 45], Operations: ['65+31=96', '90/2=45'] Exploring Operation: 96-45=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[65, 31, 2, 90], Operations: [] Exploring Operation: 90/2=45, Resulting Numbers: [65, 31, 45] Generated Node #0,0: 51:[65, 31, 45] Operation: 90/2=45 Exploring Operation: 90-31=59, Resulting Numbers: [65, 2, 59] Generated Node #0,1: 51:[65, 2, 59] Operation: 90-31=59 Exploring Operation: 90-65=25, Resulting Numbers: [31, 2, 25] Generated Node #0,2: 51:[31, 2, 25] Operation: 90-65=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[65, 2, 59], Operations: ['90-31=59'] Exploring Operation: 65-59=6, Resulting Numbers: [2, 6] Generated Node #0,1,0: 51:[2, 6] Operation: 65-59=6 Exploring Operation: 59-2=57, Resulting Numbers: [65, 57] Generated Node #0,1,1: 51:[65, 57] Operation: 59-2=57 Exploring Operation: 65-2=63, Resulting Numbers: [59, 63] Generated Node #0,1,2: 51:[59, 63] Operation: 65-2=63 Moving to Node #0,1,0 Current State: 51:[2, 6], Operations: ['90-31=59', '65-59=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,51 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,51 unequal: No Solution Moving to Node #0,1,1 Current State: 51:[65, 57], Operations: ['90-31=59', '59-2=57'] Exploring Operation: 65+57=122, Resulting Numbers: [122] 122,51 unequal: No Solution Exploring Operation: 65*57=3705, Resulting Numbers: [3705] 3705,51 unequal: No Solution Exploring Operation: 65-57=8, Resulting Numbers: [8] 8,51 unequal: No Solution Moving to Node #0,1,2 Current State: 51:[59, 63], Operations: ['90-31=59', '65-2=63'] Exploring Operation: 59*63=3717, Resulting Numbers: [3717] 3717,51 unequal: No Solution Exploring Operation: 63-59=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 59+63=122, Resulting Numbers: [122] 122,51 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 Current State: 51:[31, 2, 25], Operations: ['90-65=25'] Exploring Operation: 31-25=6, Resulting Numbers: [2, 6] Generated Node #0,2,0: 51:[2, 6] Operation: 31-25=6 Exploring Operation: 2*25=50, Resulting Numbers: [31, 50] Generated Node #0,2,1: 51:[31, 50] Operation: 2*25=50 Exploring Operation: 31+25=56, Resulting Numbers: [2, 56] Generated Node #0,2,2: 51:[2, 56] Operation: 31+25=56 Moving to Node #0,2,0 Current State: 51:[2, 6], Operations: ['90-65=25', '31-25=6'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,51 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,51 unequal: No Solution Moving to Node #0,2,2 Current State: 51:[2, 56], Operations: ['90-65=25', '31+25=56'] Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,51 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[31, 50], Operations: ['90-65=25', '2*25=50'] Exploring Operation: 50-31=19, Resulting Numbers: [19] 19,51 unequal: No Solution Exploring Operation: 31+50=81, Resulting Numbers: [81] 81,51 unequal: No Solution Exploring Operation: 31*50=1550, Resulting Numbers: [1550] 1550,51 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 #0,0 Current State: 51:[65, 31, 45], Operations: ['90/2=45'] Exploring Operation: 65-31=34, Resulting Numbers: [45, 34] Generated Node #0,0,0: 51:[45, 34] Operation: 65-31=34 Exploring Operation: 45-31=14, Resulting Numbers: [65, 14] Generated Node #0,0,1: 51:[65, 14] Operation: 45-31=14 Exploring Operation: 65-45=20, Resulting Numbers: [31, 20] Generated Node #0,0,2: 51:[31, 20] Operation: 65-45=20 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 51:[65, 14], Operations: ['90/2=45', '45-31=14'] Exploring Operation: 65*14=910, Resulting Numbers: [910] 910,51 unequal: No Solution Exploring Operation: 65+14=79, Resulting Numbers: [79] 79,51 unequal: No Solution Exploring Operation: 65-14=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[65, 31, 2, 90], Operations: [] Exploring Operation: 90/2=45, Resulting Numbers: [65, 31, 45] Generated Node #0,0: 51:[65, 31, 45] Operation: 90/2=45 Moving to Node #0,0 Current State: 51:[65, 31, 45], Operations: ['90/2=45'] Exploring Operation: 45-31=14, Resulting Numbers: [65, 14] Generated Node #0,0,1: 51:[65, 14] Operation: 45-31=14 Moving to Node #0,0,1 Current State: 51:[65, 14], Operations: ['90/2=45', '45-31=14'] Exploring Operation: 65-14=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967882
hs_3
mult_heuristic
[ 74, 60, 48, 49 ]
83
[ "74-60=14", "48+49=97", "97-14=83" ]
Current State: 83:[74, 60, 48, 49], Operations: [] Exploring Operation: 74-60=14, Resulting Numbers: [48, 49, 14] Generated Node #2: [48, 49, 14] from Operation: 74-60=14 Current State: 83:[48, 49, 14], Operations: ['74-60=14'] Exploring Operation: 48+49=97, Resulting Numbers: [14, 97] Generated Node #3: [14, 97] from Operation: 48+49=97 Current State: 83:[14, 97], Operations: ['74-60=14', '48+49=97'] Exploring Operation: 97-14=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[74, 60, 48, 49], Operations: [] Exploring Operation: 48+49=97, Resulting Numbers: [74, 60, 97] Generated Node #0,0: 83:[74, 60, 97] Operation: 48+49=97 Moving to Node #0,0 Current State: 83:[74, 60, 97], Operations: ['48+49=97'] Exploring Operation: 97-60=37, Resulting Numbers: [74, 37] Generated Node #0,0,0: 83:[74, 37] Operation: 97-60=37 Moving to Node #0,0,0 Current State: 83:[74, 37], Operations: ['48+49=97', '97-60=37'] Exploring Operation: 74+37=111, Resulting Numbers: [111] 111,83 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 18, 73, 70, 12 ]
42
[ "73-70=3", "18*3=54", "54-12=42" ]
Current State: 42:[18, 73, 70, 12], Operations: [] Exploring Operation: 73-70=3, Resulting Numbers: [18, 12, 3] Generated Node #2: [18, 12, 3] from Operation: 73-70=3 Current State: 42:[18, 12, 3], Operations: ['73-70=3'] Exploring Operation: 18*3=54, Resulting Numbers: [12, 54] Generated Node #3: [12, 54] from Operation: 18*3=54 Current State: 42:[12, 54], Operations: ['73-70=3', '18*3=54'] Exploring Operation: 54-12=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[18, 73, 70, 12], Operations: [] Exploring Operation: 73-18=55, Resulting Numbers: [70, 12, 55] Generated Node #0,0: 42:[70, 12, 55] Operation: 73-18=55 Exploring Operation: 73-12=61, Resulting Numbers: [18, 70, 61] Generated Node #0,1: 42:[18, 70, 61] Operation: 73-12=61 Exploring Operation: 70-12=58, Resulting Numbers: [18, 73, 58] Generated Node #0,2: 42:[18, 73, 58] Operation: 70-12=58 Exploring Operation: 70-18=52, Resulting Numbers: [73, 12, 52] Generated Node #0,3: 42:[73, 12, 52] Operation: 70-18=52 Exploring Operation: 73-70=3, Resulting Numbers: [18, 12, 3] Generated Node #0,4: 42:[18, 12, 3] Operation: 73-70=3 Start Sub Search at level 1: Moving to Node #0,4 Current State: 42:[18, 12, 3], Operations: ['73-70=3'] Exploring Operation: 18+3=21, Resulting Numbers: [12, 21] Generated Node #0,4,0: 42:[12, 21] Operation: 18+3=21 Exploring Operation: 18/3=6, Resulting Numbers: [12, 6] Generated Node #0,4,1: 42:[12, 6] Operation: 18/3=6 Exploring Operation: 18-3=15, Resulting Numbers: [12, 15] Generated Node #0,4,2: 42:[12, 15] Operation: 18-3=15 Exploring Operation: 12+3=15, Resulting Numbers: [18, 15] Generated Node #0,4,3: 42:[18, 15] Operation: 12+3=15 Exploring Operation: 18-12=6, Resulting Numbers: [3, 6] Generated Node #0,4,4: 42:[3, 6] Operation: 18-12=6 Moving to Node #0,4,4 Current State: 42:[3, 6], Operations: ['73-70=3', '18-12=6'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,42 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,42 unequal: No Solution Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,42 unequal: No Solution Moving to Node #0,4,1 Current State: 42:[12, 6], Operations: ['73-70=3', '18/3=6'] Exploring Operation: 12+6=18, Resulting Numbers: [18] 18,42 unequal: No Solution Exploring Operation: 12*6=72, Resulting Numbers: [72] 72,42 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,42 unequal: No Solution Moving to Node #0,4,0 Current State: 42:[12, 21], Operations: ['73-70=3', '18+3=21'] Exploring Operation: 12*21=252, Resulting Numbers: [252] 252,42 unequal: No Solution Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,42 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,42 unequal: No Solution Moving to Node #0,4,2 Current State: 42:[12, 15], Operations: ['73-70=3', '18-3=15'] Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,42 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,42 unequal: No Solution Exploring Operation: 12*15=180, Resulting Numbers: [180] 180,42 unequal: No Solution Moving to Node #0,4,3 Current State: 42:[18, 15], Operations: ['73-70=3', '12+3=15'] Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,42 unequal: No Solution Exploring Operation: 18*15=270, Resulting Numbers: [270] 270,42 unequal: No Solution Exploring Operation: 18+15=33, Resulting Numbers: [33] 33,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[70, 12, 55], Operations: ['73-18=55'] Exploring Operation: 70-12=58, Resulting Numbers: [55, 58] Generated Node #0,0,0: 42:[55, 58] Operation: 70-12=58 Exploring Operation: 70+12=82, Resulting Numbers: [55, 82] Generated Node #0,0,1: 42:[55, 82] Operation: 70+12=82 Exploring Operation: 55-12=43, Resulting Numbers: [70, 43] Generated Node #0,0,2: 42:[70, 43] Operation: 55-12=43 Exploring Operation: 12+55=67, Resulting Numbers: [70, 67] Generated Node #0,0,3: 42:[70, 67] Operation: 12+55=67 Exploring Operation: 70-55=15, Resulting Numbers: [12, 15] Generated Node #0,0,4: 42:[12, 15] Operation: 70-55=15 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 42:[12, 15], Operations: ['73-18=55', '70-55=15'] Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,42 unequal: No Solution Exploring Operation: 12*15=180, Resulting Numbers: [180] 180,42 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[55, 58], Operations: ['73-18=55', '70-12=58'] Exploring Operation: 55+58=113, Resulting Numbers: [113] 113,42 unequal: No Solution Exploring Operation: 58-55=3, Resulting Numbers: [3] 3,42 unequal: No Solution Exploring Operation: 55*58=3190, Resulting Numbers: [3190] 3190,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 42:[70, 43], Operations: ['73-18=55', '55-12=43'] Exploring Operation: 70+43=113, Resulting Numbers: [113] 113,42 unequal: No Solution Exploring Operation: 70*43=3010, Resulting Numbers: [3010] 3010,42 unequal: No Solution Exploring Operation: 70-43=27, Resulting Numbers: [27] 27,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 42:[55, 82], Operations: ['73-18=55', '70+12=82'] Exploring Operation: 82-55=27, Resulting Numbers: [27] 27,42 unequal: No Solution Exploring Operation: 55*82=4510, Resulting Numbers: [4510] 4510,42 unequal: No Solution Exploring Operation: 55+82=137, Resulting Numbers: [137] 137,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 42:[70, 67], Operations: ['73-18=55', '12+55=67'] Exploring Operation: 70*67=4690, Resulting Numbers: [4690] 4690,42 unequal: No Solution Exploring Operation: 70+67=137, Resulting Numbers: [137] 137,42 unequal: No Solution Exploring Operation: 70-67=3, Resulting Numbers: [3] 3,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 42:[73, 12, 52], Operations: ['70-18=52'] Exploring Operation: 52-12=40, Resulting Numbers: [73, 40] Generated Node #0,3,0: 42:[73, 40] Operation: 52-12=40 Exploring Operation: 73-52=21, Resulting Numbers: [12, 21] Generated Node #0,3,1: 42:[12, 21] Operation: 73-52=21 Exploring Operation: 12+52=64, Resulting Numbers: [73, 64] Generated Node #0,3,2: 42:[73, 64] Operation: 12+52=64 Exploring Operation: 73-12=61, Resulting Numbers: [52, 61] Generated Node #0,3,3: 42:[52, 61] Operation: 73-12=61 Exploring Operation: 73+12=85, Resulting Numbers: [52, 85] Generated Node #0,3,4: 42:[52, 85] Operation: 73+12=85 Moving to Node #0,3,1 Current State: 42:[12, 21], Operations: ['70-18=52', '73-52=21'] Exploring Operation: 12*21=252, Resulting Numbers: [252] 252,42 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,42 unequal: No Solution Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,42 unequal: No Solution Moving to Node #0,3,3 Current State: 42:[52, 61], Operations: ['70-18=52', '73-12=61'] Exploring Operation: 61-52=9, Resulting Numbers: [9] 9,42 unequal: No Solution Exploring Operation: 52+61=113, Resulting Numbers: [113] 113,42 unequal: No Solution Exploring Operation: 52*61=3172, Resulting Numbers: [3172] 3172,42 unequal: No Solution Moving to Node #0,3,0 Current State: 42:[73, 40], Operations: ['70-18=52', '52-12=40'] Exploring Operation: 73*40=2920, Resulting Numbers: [2920] 2920,42 unequal: No Solution Exploring Operation: 73-40=33, Resulting Numbers: [33] 33,42 unequal: No Solution Exploring Operation: 73+40=113, Resulting Numbers: [113] 113,42 unequal: No Solution Moving to Node #0,3,2 Current State: 42:[73, 64], Operations: ['70-18=52', '12+52=64'] Exploring Operation: 73*64=4672, Resulting Numbers: [4672] 4672,42 unequal: No Solution Exploring Operation: 73+64=137, Resulting Numbers: [137] 137,42 unequal: No Solution Exploring Operation: 73-64=9, Resulting Numbers: [9] 9,42 unequal: No Solution Moving to Node #0,3,4 Current State: 42:[52, 85], Operations: ['70-18=52', '73+12=85'] Exploring Operation: 52*85=4420, Resulting Numbers: [4420] 4420,42 unequal: No Solution Exploring Operation: 52+85=137, Resulting Numbers: [137] 137,42 unequal: No Solution Exploring Operation: 85-52=33, Resulting Numbers: [33] 33,42 unequal: No Solution No 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: 42:[18, 70, 61], Operations: ['73-12=61'] Exploring Operation: 70-18=52, Resulting Numbers: [61, 52] Generated Node #0,1,0: 42:[61, 52] Operation: 70-18=52 Exploring Operation: 18+70=88, Resulting Numbers: [61, 88] Generated Node #0,1,1: 42:[61, 88] Operation: 18+70=88 Exploring Operation: 61-18=43, Resulting Numbers: [70, 43] Generated Node #0,1,2: 42:[70, 43] Operation: 61-18=43 Exploring Operation: 70-61=9, Resulting Numbers: [18, 9] Generated Node #0,1,3: 42:[18, 9] Operation: 70-61=9 Exploring Operation: 18+61=79, Resulting Numbers: [70, 79] Generated Node #0,1,4: 42:[70, 79] Operation: 18+61=79 Moving to Node #0,1,3 Current State: 42:[18, 9], Operations: ['73-12=61', '70-61=9'] Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,42 unequal: No Solution Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,42 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 18*9=162, Resulting Numbers: [162] 162,42 unequal: No Solution Moving to Node #0,1,2 Current State: 42:[70, 43], Operations: ['73-12=61', '61-18=43'] Exploring Operation: 70+43=113, Resulting Numbers: [113] 113,42 unequal: No Solution Exploring Operation: 70*43=3010, Resulting Numbers: [3010] 3010,42 unequal: No Solution Exploring Operation: 70-43=27, Resulting Numbers: [27] 27,42 unequal: No Solution Moving to Node #0,1,0 Current State: 42:[61, 52], Operations: ['73-12=61', '70-18=52'] Exploring Operation: 61+52=113, Resulting Numbers: [113] 113,42 unequal: No Solution Exploring Operation: 61*52=3172, Resulting Numbers: [3172] 3172,42 unequal: No Solution Exploring Operation: 61-52=9, Resulting Numbers: [9] 9,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[61, 88], Operations: ['73-12=61', '18+70=88'] Exploring Operation: 61*88=5368, Resulting Numbers: [5368] 5368,42 unequal: No Solution Exploring Operation: 88-61=27, Resulting Numbers: [27] 27,42 unequal: No Solution Exploring Operation: 61+88=149, Resulting Numbers: [149] 149,42 unequal: No Solution Moving to Node #0,1,4 Current State: 42:[70, 79], Operations: ['73-12=61', '18+61=79'] Exploring Operation: 70+79=149, Resulting Numbers: [149] 149,42 unequal: No Solution Exploring Operation: 70*79=5530, Resulting Numbers: [5530] 5530,42 unequal: No Solution Exploring Operation: 79-70=9, Resulting Numbers: [9] 9,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 42:[18, 73, 58], Operations: ['70-12=58'] Exploring Operation: 18+73=91, Resulting Numbers: [58, 91] Generated Node #0,2,0: 42:[58, 91] Operation: 18+73=91 Exploring Operation: 73-58=15, Resulting Numbers: [18, 15] Generated Node #0,2,1: 42:[18, 15] Operation: 73-58=15 Exploring Operation: 18+58=76, Resulting Numbers: [73, 76] Generated Node #0,2,2: 42:[73, 76] Operation: 18+58=76 Exploring Operation: 58-18=40, Resulting Numbers: [73, 40] Generated Node #0,2,3: 42:[73, 40] Operation: 58-18=40 Exploring Operation: 73-18=55, Resulting Numbers: [58, 55] Generated Node #0,2,4: 42:[58, 55] Operation: 73-18=55 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 42:[18, 15], Operations: ['70-12=58', '73-58=15'] Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,42 unequal: No Solution Exploring Operation: 18*15=270, Resulting Numbers: [270] 270,42 unequal: No Solution Exploring Operation: 18+15=33, Resulting Numbers: [33] 33,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 42:[58, 55], Operations: ['70-12=58', '73-18=55'] Exploring Operation: 58*55=3190, Resulting Numbers: [3190] 3190,42 unequal: No Solution Exploring Operation: 58-55=3, Resulting Numbers: [3] 3,42 unequal: No Solution Exploring Operation: 58+55=113, Resulting Numbers: [113] 113,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 42:[73, 40], Operations: ['70-12=58', '58-18=40'] Exploring Operation: 73-40=33, Resulting Numbers: [33] 33,42 unequal: No Solution Exploring Operation: 73+40=113, Resulting Numbers: [113] 113,42 unequal: No Solution Exploring Operation: 73*40=2920, Resulting Numbers: [2920] 2920,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 42:[58, 91], Operations: ['70-12=58', '18+73=91'] Exploring Operation: 58+91=149, Resulting Numbers: [149] 149,42 unequal: No Solution Exploring Operation: 91-58=33, Resulting Numbers: [33] 33,42 unequal: No Solution Exploring Operation: 58*91=5278, Resulting Numbers: [5278] 5278,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 42:[73, 76], Operations: ['70-12=58', '18+58=76'] Exploring Operation: 76-73=3, Resulting Numbers: [3] 3,42 unequal: No Solution Exploring Operation: 73*76=5548, Resulting Numbers: [5548] 5548,42 unequal: No Solution Exploring Operation: 73+76=149, Resulting Numbers: [149] 149,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 21, 77, 80, 80 ]
77
[ "80-80=0", "21*0=0", "77+0=77" ]
Current State: 77:[21, 77, 80, 80], Operations: [] Exploring Operation: 80-80=0, Resulting Numbers: [21, 77, 0] Generated Node #2: [21, 77, 0] from Operation: 80-80=0 Current State: 77:[21, 77, 0], Operations: ['80-80=0'] Exploring Operation: 21*0=0, Resulting Numbers: [77, 0] Generated Node #3: [77, 0] from Operation: 21*0=0 Current State: 77:[77, 0], Operations: ['80-80=0', '21*0=0'] Exploring Operation: 77+0=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[21, 77, 80, 80], Operations: [] Exploring Operation: 80-77=3, Resulting Numbers: [21, 80, 3] Generated Node #0,0: 77:[21, 80, 3] Operation: 80-77=3 Exploring Operation: 80/80=1, Resulting Numbers: [21, 77, 1] Generated Node #0,1: 77:[21, 77, 1] Operation: 80/80=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[21, 77, 1], Operations: ['80/80=1'] Exploring Operation: 21-1=20, Resulting Numbers: [77, 20] Generated Node #0,1,0: 77:[77, 20] Operation: 21-1=20 Exploring Operation: 21*1=21, Resulting Numbers: [77, 21] Generated Node #0,1,1: 77:[77, 21] Operation: 21*1=21 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 77:[77, 20], Operations: ['80/80=1', '21-1=20'] Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,77 unequal: No Solution Exploring Operation: 77+20=97, Resulting Numbers: [97] 97,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 77:[77, 21], Operations: ['80/80=1', '21*1=21'] Exploring Operation: 77-21=56, Resulting Numbers: [56] 56,77 unequal: No Solution Exploring Operation: 77+21=98, Resulting Numbers: [98] 98,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[21, 80, 3], Operations: ['80-77=3'] Exploring Operation: 21/3=7, Resulting Numbers: [80, 7] Generated Node #0,0,0: 77:[80, 7] Operation: 21/3=7 Exploring Operation: 21-3=18, Resulting Numbers: [80, 18] Generated Node #0,0,1: 77:[80, 18] Operation: 21-3=18 Moving to Node #0,0,0 Current State: 77:[80, 7], Operations: ['80-77=3', '21/3=7'] Exploring Operation: 80+7=87, Resulting Numbers: [87] 87,77 unequal: No Solution Exploring Operation: 80-7=73, Resulting Numbers: [73] 73,77 unequal: No Solution Moving to Node #0,0,1 Current State: 77:[80, 18], Operations: ['80-77=3', '21-3=18'] Exploring Operation: 80-18=62, Resulting Numbers: [62] 62,77 unequal: No Solution Exploring Operation: 80+18=98, Resulting Numbers: [98] 98,77 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
[ 78, 58, 24, 91 ]
47
[ "78-58=20", "91-24=67", "67-20=47" ]
Current State: 47:[78, 58, 24, 91], Operations: [] Exploring Operation: 78-58=20, Resulting Numbers: [24, 91, 20] Generated Node #2: [24, 91, 20] from Operation: 78-58=20 Current State: 47:[24, 91, 20], Operations: ['78-58=20'] Exploring Operation: 91-24=67, Resulting Numbers: [20, 67] Generated Node #3: [20, 67] from Operation: 91-24=67 Current State: 47:[20, 67], Operations: ['78-58=20', '91-24=67'] Exploring Operation: 67-20=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[78, 58, 24, 91], Operations: [] Exploring Operation: 91-24=67, Resulting Numbers: [78, 58, 67] Generated Node #0,0: 47:[78, 58, 67] Operation: 91-24=67 Exploring Operation: 78-24=54, Resulting Numbers: [58, 91, 54] Generated Node #0,1: 47:[58, 91, 54] Operation: 78-24=54 Moving to Node #0,0 Current State: 47:[78, 58, 67], Operations: ['91-24=67'] Exploring Operation: 78-67=11, Resulting Numbers: [58, 11] Generated Node #0,0,0: 47:[58, 11] Operation: 78-67=11 Exploring Operation: 78-58=20, Resulting Numbers: [67, 20] Generated Node #0,0,1: 47:[67, 20] Operation: 78-58=20 Moving to Node #0,1 Current State: 47:[58, 91, 54], Operations: ['78-24=54'] Exploring Operation: 91-58=33, Resulting Numbers: [54, 33] Generated Node #0,1,0: 47:[54, 33] Operation: 91-58=33 Exploring Operation: 91-54=37, Resulting Numbers: [58, 37] Generated Node #0,1,1: 47:[58, 37] Operation: 91-54=37 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 47:[54, 33], Operations: ['78-24=54', '91-58=33'] Exploring Operation: 54+33=87, Resulting Numbers: [87] 87,47 unequal: No Solution Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 47:[58, 37], Operations: ['78-24=54', '91-54=37'] Exploring Operation: 58+37=95, Resulting Numbers: [95] 95,47 unequal: No Solution Exploring Operation: 58-37=21, Resulting Numbers: [21] 21,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 47:[58, 11], Operations: ['91-24=67', '78-67=11'] Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[78, 58, 24, 91], Operations: [] Exploring Operation: 91-24=67, Resulting Numbers: [78, 58, 67] Generated Node #0,0: 47:[78, 58, 67] Operation: 91-24=67 Moving to Node #0,0 Current State: 47:[78, 58, 67], Operations: ['91-24=67'] Exploring Operation: 78-67=11, Resulting Numbers: [58, 11] Generated Node #0,0,0: 47:[58, 11] Operation: 78-67=11 Moving to Node #0,0,0 Current State: 47:[58, 11], Operations: ['91-24=67', '78-67=11'] Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 31, 93, 88, 81 ]
61
[ "93/31=3", "81/3=27", "88-27=61" ]
Current State: 61:[31, 93, 88, 81], Operations: [] Exploring Operation: 93/31=3, Resulting Numbers: [88, 81, 3] Generated Node #2: [88, 81, 3] from Operation: 93/31=3 Current State: 61:[88, 81, 3], Operations: ['93/31=3'] Exploring Operation: 81/3=27, Resulting Numbers: [88, 27] Generated Node #3: [88, 27] from Operation: 81/3=27 Current State: 61:[88, 27], Operations: ['93/31=3', '81/3=27'] Exploring Operation: 88-27=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[31, 93, 88, 81], Operations: [] Exploring Operation: 93-31=62, Resulting Numbers: [88, 81, 62] Generated Node #0,0: 61:[88, 81, 62] Operation: 93-31=62 Exploring Operation: 93/31=3, Resulting Numbers: [88, 81, 3] Generated Node #0,1: 61:[88, 81, 3] Operation: 93/31=3 Exploring Operation: 93-88=5, Resulting Numbers: [31, 81, 5] Generated Node #0,2: 61:[31, 81, 5] Operation: 93-88=5 Exploring Operation: 81-31=50, Resulting Numbers: [93, 88, 50] Generated Node #0,3: 61:[93, 88, 50] Operation: 81-31=50 Exploring Operation: 88-31=57, Resulting Numbers: [93, 81, 57] Generated Node #0,4: 61:[93, 81, 57] Operation: 88-31=57 Moving to Node #0,0 Current State: 61:[88, 81, 62], Operations: ['93-31=62'] Exploring Operation: 88-62=26, Resulting Numbers: [81, 26] Generated Node #0,0,0: 61:[81, 26] Operation: 88-62=26 Exploring Operation: 81-62=19, Resulting Numbers: [88, 19] Generated Node #0,0,1: 61:[88, 19] Operation: 81-62=19 Exploring Operation: 88+62=150, Resulting Numbers: [81, 150] Generated Node #0,0,2: 61:[81, 150] Operation: 88+62=150 Exploring Operation: 88+81=169, Resulting Numbers: [62, 169] Generated Node #0,0,3: 61:[62, 169] Operation: 88+81=169 Exploring Operation: 88-81=7, Resulting Numbers: [62, 7] Generated Node #0,0,4: 61:[62, 7] Operation: 88-81=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[81, 26], Operations: ['93-31=62', '88-62=26'] Exploring Operation: 81*26=2106, Resulting Numbers: [2106] 2106,61 unequal: No Solution Exploring Operation: 81-26=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 81+26=107, Resulting Numbers: [107] 107,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 61:[62, 7], Operations: ['93-31=62', '88-81=7'] Exploring Operation: 62-7=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 62*7=434, Resulting Numbers: [434] 434,61 unequal: No Solution Exploring Operation: 62+7=69, Resulting Numbers: [69] 69,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[88, 19], Operations: ['93-31=62', '81-62=19'] Exploring Operation: 88+19=107, Resulting Numbers: [107] 107,61 unequal: No Solution Exploring Operation: 88-19=69, Resulting Numbers: [69] 69,61 unequal: No Solution Exploring Operation: 88*19=1672, Resulting Numbers: [1672] 1672,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 61:[81, 150], Operations: ['93-31=62', '88+62=150'] Exploring Operation: 81*150=12150, Resulting Numbers: [12150] 12150,61 unequal: No Solution Exploring Operation: 81+150=231, Resulting Numbers: [231] 231,61 unequal: No Solution Exploring Operation: 150-81=69, Resulting Numbers: [69] 69,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 61:[62, 169], Operations: ['93-31=62', '88+81=169'] Exploring Operation: 62*169=10478, Resulting Numbers: [10478] 10478,61 unequal: No Solution Exploring Operation: 62+169=231, Resulting Numbers: [231] 231,61 unequal: No Solution Exploring Operation: 169-62=107, Resulting Numbers: [107] 107,61 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: 61:[93, 81, 57], Operations: ['88-31=57'] Exploring Operation: 81+57=138, Resulting Numbers: [93, 138] Generated Node #0,4,0: 61:[93, 138] Operation: 81+57=138 Exploring Operation: 93-57=36, Resulting Numbers: [81, 36] Generated Node #0,4,1: 61:[81, 36] Operation: 93-57=36 Exploring Operation: 93+57=150, Resulting Numbers: [81, 150] Generated Node #0,4,2: 61:[81, 150] Operation: 93+57=150 Exploring Operation: 81-57=24, Resulting Numbers: [93, 24] Generated Node #0,4,3: 61:[93, 24] Operation: 81-57=24 Exploring Operation: 93-81=12, Resulting Numbers: [57, 12] Generated Node #0,4,4: 61:[57, 12] Operation: 93-81=12 Moving to Node #0,3 Current State: 61:[93, 88, 50], Operations: ['81-31=50'] Exploring Operation: 88-50=38, Resulting Numbers: [93, 38] Generated Node #0,3,0: 61:[93, 38] Operation: 88-50=38 Exploring Operation: 93-50=43, Resulting Numbers: [88, 43] Generated Node #0,3,1: 61:[88, 43] Operation: 93-50=43 Exploring Operation: 93-88=5, Resulting Numbers: [50, 5] Generated Node #0,3,2: 61:[50, 5] Operation: 93-88=5 Exploring Operation: 93+50=143, Resulting Numbers: [88, 143] Generated Node #0,3,3: 61:[88, 143] Operation: 93+50=143 Exploring Operation: 88+50=138, Resulting Numbers: [93, 138] Generated Node #0,3,4: 61:[93, 138] Operation: 88+50=138 Moving to Node #0,1 Current State: 61:[88, 81, 3], Operations: ['93/31=3'] Exploring Operation: 81/3=27, Resulting Numbers: [88, 27] Generated Node #0,1,0: 61:[88, 27] Operation: 81/3=27 Exploring Operation: 81-3=78, Resulting Numbers: [88, 78] Generated Node #0,1,1: 61:[88, 78] Operation: 81-3=78 Exploring Operation: 81+3=84, Resulting Numbers: [88, 84] Generated Node #0,1,2: 61:[88, 84] Operation: 81+3=84 Exploring Operation: 88+3=91, Resulting Numbers: [81, 91] Generated Node #0,1,3: 61:[81, 91] Operation: 88+3=91 Exploring Operation: 88-3=85, Resulting Numbers: [81, 85] Generated Node #0,1,4: 61:[81, 85] Operation: 88-3=85 Moving to Node #0,2 Current State: 61:[31, 81, 5], Operations: ['93-88=5'] Exploring Operation: 31+5=36, Resulting Numbers: [81, 36] Generated Node #0,2,0: 61:[81, 36] Operation: 31+5=36 Exploring Operation: 81-31=50, Resulting Numbers: [5, 50] Generated Node #0,2,1: 61:[5, 50] Operation: 81-31=50 Exploring Operation: 81-5=76, Resulting Numbers: [31, 76] Generated Node #0,2,2: 61:[31, 76] Operation: 81-5=76 Exploring Operation: 81+5=86, Resulting Numbers: [31, 86] Generated Node #0,2,3: 61:[31, 86] Operation: 81+5=86 Exploring Operation: 31-5=26, Resulting Numbers: [81, 26] Generated Node #0,2,4: 61:[81, 26] Operation: 31-5=26 Moving to Node #0,1,1 Current State: 61:[88, 78], Operations: ['93/31=3', '81-3=78'] Exploring Operation: 88*78=6864, Resulting Numbers: [6864] 6864,61 unequal: No Solution Exploring Operation: 88-78=10, Resulting Numbers: [10] 10,61 unequal: No Solution Exploring Operation: 88+78=166, Resulting Numbers: [166] 166,61 unequal: No Solution Moving to Node #0,1,4 Current State: 61:[81, 85], Operations: ['93/31=3', '88-3=85'] Exploring Operation: 85-81=4, Resulting Numbers: [4] 4,61 unequal: No Solution Exploring Operation: 81*85=6885, Resulting Numbers: [6885] 6885,61 unequal: No Solution Exploring Operation: 81+85=166, Resulting Numbers: [166] 166,61 unequal: No Solution Moving to Node #0,3,1 Current State: 61:[88, 43], Operations: ['81-31=50', '93-50=43'] Exploring Operation: 88-43=45, Resulting Numbers: [45] 45,61 unequal: No Solution Exploring Operation: 88+43=131, Resulting Numbers: [131] 131,61 unequal: No Solution Exploring Operation: 88*43=3784, Resulting Numbers: [3784] 3784,61 unequal: No Solution Moving to Node #0,4,1 Current State: 61:[81, 36], Operations: ['88-31=57', '93-57=36'] Exploring Operation: 81*36=2916, Resulting Numbers: [2916] 2916,61 unequal: No Solution Exploring Operation: 81+36=117, Resulting Numbers: [117] 117,61 unequal: No Solution Exploring Operation: 81-36=45, Resulting Numbers: [45] 45,61 unequal: No Solution Moving to Node #0,2,0 Current State: 61:[81, 36], Operations: ['93-88=5', '31+5=36'] Exploring Operation: 81-36=45, Resulting Numbers: [45] 45,61 unequal: No Solution Exploring Operation: 81*36=2916, Resulting Numbers: [2916] 2916,61 unequal: No Solution Exploring Operation: 81+36=117, Resulting Numbers: [117] 117,61 unequal: No Solution Moving to Node #0,2,2 Current State: 61:[31, 76], Operations: ['93-88=5', '81-5=76'] Exploring Operation: 76-31=45, Resulting Numbers: [45] 45,61 unequal: No Solution Exploring Operation: 31+76=107, Resulting Numbers: [107] 107,61 unequal: No Solution Exploring Operation: 31*76=2356, Resulting Numbers: [2356] 2356,61 unequal: No Solution Moving to Node #0,1,3 Current State: 61:[81, 91], Operations: ['93/31=3', '88+3=91'] Exploring Operation: 81*91=7371, Resulting Numbers: [7371] 7371,61 unequal: No Solution Exploring Operation: 91-81=10, Resulting Numbers: [10] 10,61 unequal: No Solution Exploring Operation: 81+91=172, Resulting Numbers: [172] 172,61 unequal: No Solution Moving to Node #0,1,2 Current State: 61:[88, 84], Operations: ['93/31=3', '81+3=84'] Exploring Operation: 88-84=4, Resulting Numbers: [4] 4,61 unequal: No Solution Exploring Operation: 88*84=7392, Resulting Numbers: [7392] 7392,61 unequal: No Solution Exploring Operation: 88+84=172, Resulting Numbers: [172] 172,61 unequal: No Solution Moving to Node #0,4,4 Current State: 61:[57, 12], Operations: ['88-31=57', '93-81=12'] Exploring Operation: 57+12=69, Resulting Numbers: [69] 69,61 unequal: No Solution Exploring Operation: 57*12=684, Resulting Numbers: [684] 684,61 unequal: No Solution Exploring Operation: 57-12=45, Resulting Numbers: [45] 45,61 unequal: No Solution Moving to Node #0,3,0 Current State: 61:[93, 38], Operations: ['81-31=50', '88-50=38'] Exploring Operation: 93-38=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 93+38=131, Resulting Numbers: [131] 131,61 unequal: No Solution Exploring Operation: 93*38=3534, Resulting Numbers: [3534] 3534,61 unequal: No Solution Moving to Node #0,2,4 Current State: 61:[81, 26], Operations: ['93-88=5', '31-5=26'] Exploring Operation: 81-26=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 81+26=107, Resulting Numbers: [107] 107,61 unequal: No Solution Exploring Operation: 81*26=2106, Resulting Numbers: [2106] 2106,61 unequal: No Solution Moving to Node #0,2,3 Current State: 61:[31, 86], Operations: ['93-88=5', '81+5=86'] Exploring Operation: 31+86=117, Resulting Numbers: [117] 117,61 unequal: No Solution Exploring Operation: 86-31=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 31*86=2666, Resulting Numbers: [2666] 2666,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[88, 27], Operations: ['93/31=3', '81/3=27'] Exploring Operation: 88-27=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[31, 93, 88, 81], Operations: [] Exploring Operation: 93/31=3, Resulting Numbers: [88, 81, 3] Generated Node #0,1: 61:[88, 81, 3] Operation: 93/31=3 Moving to Node #0,1 Current State: 61:[88, 81, 3], Operations: ['93/31=3'] Exploring Operation: 81/3=27, Resulting Numbers: [88, 27] Generated Node #0,1,0: 61:[88, 27] Operation: 81/3=27 Moving to Node #0,1,0 Current State: 61:[88, 27], Operations: ['93/31=3', '81/3=27'] Exploring Operation: 88-27=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
0.925347
hs_5
mult_heuristic
[ 22, 73, 21, 29 ]
76
[ "29-22=7", "21/7=3", "73+3=76" ]
Current State: 76:[22, 73, 21, 29], Operations: [] Exploring Operation: 29-22=7, Resulting Numbers: [73, 21, 7] Generated Node #2: [73, 21, 7] from Operation: 29-22=7 Current State: 76:[73, 21, 7], Operations: ['29-22=7'] Exploring Operation: 21/7=3, Resulting Numbers: [73, 3] Generated Node #3: [73, 3] from Operation: 21/7=3 Current State: 76:[73, 3], Operations: ['29-22=7', '21/7=3'] Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[22, 73, 21, 29], Operations: [] Exploring Operation: 29-22=7, Resulting Numbers: [73, 21, 7] Generated Node #0,0: 76:[73, 21, 7] Operation: 29-22=7 Exploring Operation: 29-21=8, Resulting Numbers: [22, 73, 8] Generated Node #0,1: 76:[22, 73, 8] Operation: 29-21=8 Moving to Node #0,0 Current State: 76:[73, 21, 7], Operations: ['29-22=7'] Exploring Operation: 21/7=3, Resulting Numbers: [73, 3] Generated Node #0,0,0: 76:[73, 3] Operation: 21/7=3 Exploring Operation: 73+7=80, Resulting Numbers: [21, 80] Generated Node #0,0,1: 76:[21, 80] Operation: 73+7=80 Moving to Node #0,1 Current State: 76:[22, 73, 8], Operations: ['29-21=8'] Exploring Operation: 22-8=14, Resulting Numbers: [73, 14] Generated Node #0,1,0: 76:[73, 14] Operation: 22-8=14 Exploring Operation: 73+8=81, Resulting Numbers: [22, 81] Generated Node #0,1,1: 76:[22, 81] Operation: 73+8=81 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 76:[73, 14], Operations: ['29-21=8', '22-8=14'] Exploring Operation: 73+14=87, Resulting Numbers: [87] 87,76 unequal: No Solution Exploring Operation: 73-14=59, Resulting Numbers: [59] 59,76 unequal: No Solution No 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: 76:[22, 81], Operations: ['29-21=8', '73+8=81'] Exploring Operation: 81-22=59, Resulting Numbers: [59] 59,76 unequal: No Solution Exploring Operation: 22+81=103, Resulting Numbers: [103] 103,76 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: 76:[73, 3], Operations: ['29-22=7', '21/7=3'] Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[22, 73, 21, 29], Operations: [] Exploring Operation: 29-22=7, Resulting Numbers: [73, 21, 7] Generated Node #0,0: 76:[73, 21, 7] Operation: 29-22=7 Moving to Node #0,0 Current State: 76:[73, 21, 7], Operations: ['29-22=7'] Exploring Operation: 21/7=3, Resulting Numbers: [73, 3] Generated Node #0,0,0: 76:[73, 3] Operation: 21/7=3 Moving to Node #0,0,0 Current State: 76:[73, 3], Operations: ['29-22=7', '21/7=3'] Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 51, 75, 45, 9 ]
60
[ "75-51=24", "45-9=36", "24+36=60" ]
Current State: 60:[51, 75, 45, 9], Operations: [] Exploring Operation: 75-51=24, Resulting Numbers: [45, 9, 24] Generated Node #2: [45, 9, 24] from Operation: 75-51=24 Current State: 60:[45, 9, 24], Operations: ['75-51=24'] Exploring Operation: 45-9=36, Resulting Numbers: [24, 36] Generated Node #3: [24, 36] from Operation: 45-9=36 Current State: 60:[24, 36], Operations: ['75-51=24', '45-9=36'] Exploring Operation: 24+36=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[51, 75, 45, 9], Operations: [] Exploring Operation: 75-45=30, Resulting Numbers: [51, 9, 30] Generated Node #0,0: 60:[51, 9, 30] Operation: 75-45=30 Moving to Node #0,0 Current State: 60:[51, 9, 30], Operations: ['75-45=30'] Exploring Operation: 51+9=60, Resulting Numbers: [30, 60] Generated Node #0,0,0: 60:[30, 60] Operation: 51+9=60 Moving to Node #0,0,0 Current State: 60:[30, 60], Operations: ['75-45=30', '51+9=60'] Exploring Operation: 60-30=30, Resulting Numbers: [30] 30,60 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 29, 10, 6, 28 ]
70
[ "29+6=35", "35-28=7", "10*7=70" ]
Current State: 70:[29, 10, 6, 28], Operations: [] Exploring Operation: 29+6=35, Resulting Numbers: [10, 28, 35] Generated Node #2: [10, 28, 35] from Operation: 29+6=35 Current State: 70:[10, 28, 35], Operations: ['29+6=35'] Exploring Operation: 35-28=7, Resulting Numbers: [10, 7] Generated Node #3: [10, 7] from Operation: 35-28=7 Current State: 70:[10, 7], Operations: ['29+6=35', '35-28=7'] Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[29, 10, 6, 28], Operations: [] Exploring Operation: 29+6=35, Resulting Numbers: [10, 28, 35] Generated Node #0,0: 70:[10, 28, 35] Operation: 29+6=35 Exploring Operation: 29-28=1, Resulting Numbers: [10, 6, 1] Generated Node #0,1: 70:[10, 6, 1] Operation: 29-28=1 Moving to Node #0,1 Current State: 70:[10, 6, 1], Operations: ['29-28=1'] Exploring Operation: 6-1=5, Resulting Numbers: [10, 5] Generated Node #0,1,0: 70:[10, 5] Operation: 6-1=5 Exploring Operation: 6+1=7, Resulting Numbers: [10, 7] Generated Node #0,1,1: 70:[10, 7] Operation: 6+1=7 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 70:[10, 5], Operations: ['29-28=1', '6-1=5'] Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,70 unequal: No Solution Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,70 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:[10, 7], Operations: ['29-28=1', '6+1=7'] Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,70 unequal: No Solution Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[29, 10, 6, 28], Operations: [] Exploring Operation: 29-28=1, Resulting Numbers: [10, 6, 1] Generated Node #0,1: 70:[10, 6, 1] Operation: 29-28=1 Moving to Node #0,1 Current State: 70:[10, 6, 1], Operations: ['29-28=1'] Exploring Operation: 6+1=7, Resulting Numbers: [10, 7] Generated Node #0,1,1: 70:[10, 7] Operation: 6+1=7 Moving to Node #0,1,1 Current State: 70:[10, 7], Operations: ['29-28=1', '6+1=7'] Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 5, 87, 67, 27 ]
31
[ "87-67=20", "20/5=4", "27+4=31" ]
Current State: 31:[5, 87, 67, 27], Operations: [] Exploring Operation: 87-67=20, Resulting Numbers: [5, 27, 20] Generated Node #2: [5, 27, 20] from Operation: 87-67=20 Current State: 31:[5, 27, 20], Operations: ['87-67=20'] Exploring Operation: 20/5=4, Resulting Numbers: [27, 4] Generated Node #3: [27, 4] from Operation: 20/5=4 Current State: 31:[27, 4], Operations: ['87-67=20', '20/5=4'] Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[5, 87, 67, 27], Operations: [] Exploring Operation: 87-67=20, Resulting Numbers: [5, 27, 20] Generated Node #0,0: 31:[5, 27, 20] Operation: 87-67=20 Exploring Operation: 67-5=62, Resulting Numbers: [87, 27, 62] Generated Node #0,1: 31:[87, 27, 62] Operation: 67-5=62 Exploring Operation: 67-27=40, Resulting Numbers: [5, 87, 40] Generated Node #0,2: 31:[5, 87, 40] Operation: 67-27=40 Exploring Operation: 87-5=82, Resulting Numbers: [67, 27, 82] Generated Node #0,3: 31:[67, 27, 82] Operation: 87-5=82 Exploring Operation: 87-27=60, Resulting Numbers: [5, 67, 60] Generated Node #0,4: 31:[5, 67, 60] Operation: 87-27=60 Moving to Node #0,0 Current State: 31:[5, 27, 20], Operations: ['87-67=20'] Exploring Operation: 20/5=4, Resulting Numbers: [27, 4] Generated Node #0,0,0: 31:[27, 4] Operation: 20/5=4 Exploring Operation: 20-5=15, Resulting Numbers: [27, 15] Generated Node #0,0,1: 31:[27, 15] Operation: 20-5=15 Exploring Operation: 27-5=22, Resulting Numbers: [20, 22] Generated Node #0,0,2: 31:[20, 22] Operation: 27-5=22 Exploring Operation: 5+20=25, Resulting Numbers: [27, 25] Generated Node #0,0,3: 31:[27, 25] Operation: 5+20=25 Exploring Operation: 5+27=32, Resulting Numbers: [20, 32] Generated Node #0,0,4: 31:[20, 32] Operation: 5+27=32 Moving to Node #0,2 Current State: 31:[5, 87, 40], Operations: ['67-27=40'] Exploring Operation: 5+40=45, Resulting Numbers: [87, 45] Generated Node #0,2,0: 31:[87, 45] Operation: 5+40=45 Exploring Operation: 40-5=35, Resulting Numbers: [87, 35] Generated Node #0,2,1: 31:[87, 35] Operation: 40-5=35 Exploring Operation: 87-40=47, Resulting Numbers: [5, 47] Generated Node #0,2,2: 31:[5, 47] Operation: 87-40=47 Exploring Operation: 5+87=92, Resulting Numbers: [40, 92] Generated Node #0,2,3: 31:[40, 92] Operation: 5+87=92 Exploring Operation: 87-5=82, Resulting Numbers: [40, 82] Generated Node #0,2,4: 31:[40, 82] Operation: 87-5=82 Moving to Node #0,4 Current State: 31:[5, 67, 60], Operations: ['87-27=60'] Exploring Operation: 67-60=7, Resulting Numbers: [5, 7] Generated Node #0,4,0: 31:[5, 7] Operation: 67-60=7 Exploring Operation: 67-5=62, Resulting Numbers: [60, 62] Generated Node #0,4,1: 31:[60, 62] Operation: 67-5=62 Exploring Operation: 60/5=12, Resulting Numbers: [67, 12] Generated Node #0,4,2: 31:[67, 12] Operation: 60/5=12 Exploring Operation: 5+67=72, Resulting Numbers: [60, 72] Generated Node #0,4,3: 31:[60, 72] Operation: 5+67=72 Exploring Operation: 60-5=55, Resulting Numbers: [67, 55] Generated Node #0,4,4: 31:[67, 55] Operation: 60-5=55 Moving to Node #0,1 Current State: 31:[87, 27, 62], Operations: ['67-5=62'] Exploring Operation: 62-27=35, Resulting Numbers: [87, 35] Generated Node #0,1,0: 31:[87, 35] Operation: 62-27=35 Exploring Operation: 27+62=89, Resulting Numbers: [87, 89] Generated Node #0,1,1: 31:[87, 89] Operation: 27+62=89 Exploring Operation: 87+27=114, Resulting Numbers: [62, 114] Generated Node #0,1,2: 31:[62, 114] Operation: 87+27=114 Exploring Operation: 87-62=25, Resulting Numbers: [27, 25] Generated Node #0,1,3: 31:[27, 25] Operation: 87-62=25 Exploring Operation: 87-27=60, Resulting Numbers: [62, 60] Generated Node #0,1,4: 31:[62, 60] Operation: 87-27=60 Moving to Node #0,3 Current State: 31:[67, 27, 82], Operations: ['87-5=82'] Exploring Operation: 27+82=109, Resulting Numbers: [67, 109] Generated Node #0,3,0: 31:[67, 109] Operation: 27+82=109 Exploring Operation: 82-27=55, Resulting Numbers: [67, 55] Generated Node #0,3,1: 31:[67, 55] Operation: 82-27=55 Exploring Operation: 67+27=94, Resulting Numbers: [82, 94] Generated Node #0,3,2: 31:[82, 94] Operation: 67+27=94 Exploring Operation: 82-67=15, Resulting Numbers: [27, 15] Generated Node #0,3,3: 31:[27, 15] Operation: 82-67=15 Exploring Operation: 67-27=40, Resulting Numbers: [82, 40] Generated Node #0,3,4: 31:[82, 40] Operation: 67-27=40 Moving to Node #0,0,3 Current State: 31:[27, 25], Operations: ['87-67=20', '5+20=25'] Exploring Operation: 27+25=52, Resulting Numbers: [52] 52,31 unequal: No Solution Exploring Operation: 27*25=675, Resulting Numbers: [675] 675,31 unequal: No Solution Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,31 unequal: No Solution Moving to Node #0,1,3 Current State: 31:[27, 25], Operations: ['67-5=62', '87-62=25'] Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 27*25=675, Resulting Numbers: [675] 675,31 unequal: No Solution Exploring Operation: 27+25=52, Resulting Numbers: [52] 52,31 unequal: No Solution Moving to Node #0,0,4 Current State: 31:[20, 32], Operations: ['87-67=20', '5+27=32'] Exploring Operation: 20+32=52, Resulting Numbers: [52] 52,31 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,31 unequal: No Solution Exploring Operation: 20*32=640, Resulting Numbers: [640] 640,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[27, 15], Operations: ['87-67=20', '20-5=15'] Exploring Operation: 27*15=405, Resulting Numbers: [405] 405,31 unequal: No Solution Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,31 unequal: No Solution Exploring Operation: 27+15=42, Resulting Numbers: [42] 42,31 unequal: No Solution Moving to Node #0,3,3 Current State: 31:[27, 15], Operations: ['87-5=82', '82-67=15'] Exploring Operation: 27+15=42, Resulting Numbers: [42] 42,31 unequal: No Solution Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,31 unequal: No Solution Exploring Operation: 27*15=405, Resulting Numbers: [405] 405,31 unequal: No Solution Moving to Node #0,0,2 Current State: 31:[20, 22], Operations: ['87-67=20', '27-5=22'] Exploring Operation: 20*22=440, Resulting Numbers: [440] 440,31 unequal: No Solution Exploring Operation: 20+22=42, Resulting Numbers: [42] 42,31 unequal: No Solution Exploring Operation: 22-20=2, Resulting Numbers: [2] 2,31 unequal: No Solution Moving to Node #0,0,0 Current State: 31:[27, 4], Operations: ['87-67=20', '20/5=4'] Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[5, 87, 67, 27], Operations: [] Exploring Operation: 87-67=20, Resulting Numbers: [5, 27, 20] Generated Node #0,0: 31:[5, 27, 20] Operation: 87-67=20 Moving to Node #0,0 Current State: 31:[5, 27, 20], Operations: ['87-67=20'] Exploring Operation: 20/5=4, Resulting Numbers: [27, 4] Generated Node #0,0,0: 31:[27, 4] Operation: 20/5=4 Moving to Node #0,0,0 Current State: 31:[27, 4], Operations: ['87-67=20', '20/5=4'] Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
0.953993
hs_5
mult_heuristic
[ 55, 75, 12, 39 ]
31
[ "75-55=20", "12+39=51", "51-20=31" ]
Current State: 31:[55, 75, 12, 39], Operations: [] Exploring Operation: 75-55=20, Resulting Numbers: [12, 39, 20] Generated Node #2: [12, 39, 20] from Operation: 75-55=20 Current State: 31:[12, 39, 20], Operations: ['75-55=20'] Exploring Operation: 12+39=51, Resulting Numbers: [20, 51] Generated Node #3: [20, 51] from Operation: 12+39=51 Current State: 31:[20, 51], Operations: ['75-55=20', '12+39=51'] Exploring Operation: 51-20=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[55, 75, 12, 39], Operations: [] Exploring Operation: 75-12=63, Resulting Numbers: [55, 39, 63] Generated Node #0,0: 31:[55, 39, 63] Operation: 75-12=63 Exploring Operation: 75-39=36, Resulting Numbers: [55, 12, 36] Generated Node #0,1: 31:[55, 12, 36] Operation: 75-39=36 Exploring Operation: 75-55=20, Resulting Numbers: [12, 39, 20] Generated Node #0,2: 31:[12, 39, 20] Operation: 75-55=20 Exploring Operation: 55-12=43, Resulting Numbers: [75, 39, 43] Generated Node #0,3: 31:[75, 39, 43] Operation: 55-12=43 Start Sub Search at level 1: Moving to Node #0,2 Current State: 31:[12, 39, 20], Operations: ['75-55=20'] Exploring Operation: 12+20=32, Resulting Numbers: [39, 32] Generated Node #0,2,0: 31:[39, 32] Operation: 12+20=32 Exploring Operation: 20-12=8, Resulting Numbers: [39, 8] Generated Node #0,2,1: 31:[39, 8] Operation: 20-12=8 Exploring Operation: 12+39=51, Resulting Numbers: [20, 51] Generated Node #0,2,2: 31:[20, 51] Operation: 12+39=51 Exploring Operation: 39-12=27, Resulting Numbers: [20, 27] Generated Node #0,2,3: 31:[20, 27] Operation: 39-12=27 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 31:[39, 32], Operations: ['75-55=20', '12+20=32'] Exploring Operation: 39+32=71, Resulting Numbers: [71] 71,31 unequal: No Solution Exploring Operation: 39*32=1248, Resulting Numbers: [1248] 1248,31 unequal: No Solution Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 31:[20, 27], Operations: ['75-55=20', '39-12=27'] Exploring Operation: 20+27=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 20*27=540, Resulting Numbers: [540] 540,31 unequal: No Solution Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 31:[39, 8], Operations: ['75-55=20', '20-12=8'] Exploring Operation: 39*8=312, Resulting Numbers: [312] 312,31 unequal: No Solution Exploring Operation: 39+8=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[55, 75, 12, 39], Operations: [] Exploring Operation: 75-55=20, Resulting Numbers: [12, 39, 20] Generated Node #0,2: 31:[12, 39, 20] Operation: 75-55=20 Moving to Node #0,2 Current State: 31:[12, 39, 20], Operations: ['75-55=20'] Exploring Operation: 20-12=8, Resulting Numbers: [39, 8] Generated Node #0,2,1: 31:[39, 8] Operation: 20-12=8 Moving to Node #0,2,1 Current State: 31:[39, 8], Operations: ['75-55=20', '20-12=8'] Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 92, 64, 49, 12 ]
89
[ "92-64=28", "49+12=61", "28+61=89" ]
Current State: 89:[92, 64, 49, 12], Operations: [] Exploring Operation: 92-64=28, Resulting Numbers: [49, 12, 28] Generated Node #2: [49, 12, 28] from Operation: 92-64=28 Current State: 89:[49, 12, 28], Operations: ['92-64=28'] Exploring Operation: 49+12=61, Resulting Numbers: [28, 61] Generated Node #3: [28, 61] from Operation: 49+12=61 Current State: 89:[28, 61], Operations: ['92-64=28', '49+12=61'] Exploring Operation: 28+61=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[92, 64, 49, 12], Operations: [] Exploring Operation: 64+12=76, Resulting Numbers: [92, 49, 76] Generated Node #0,0: 89:[92, 49, 76] Operation: 64+12=76 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[92, 49, 76], Operations: ['64+12=76'] Exploring Operation: 49+76=125, Resulting Numbers: [92, 125] Generated Node #0,0,0: 89:[92, 125] Operation: 49+76=125 Moving to Node #0,0,0 Current State: 89:[92, 125], Operations: ['64+12=76', '49+76=125'] Exploring Operation: 125-92=33, Resulting Numbers: [33] 33,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 24, 30, 51, 29 ]
86
[ "30-24=6", "51+29=80", "6+80=86" ]
Current State: 86:[24, 30, 51, 29], Operations: [] Exploring Operation: 30-24=6, Resulting Numbers: [51, 29, 6] Generated Node #2: [51, 29, 6] from Operation: 30-24=6 Current State: 86:[51, 29, 6], Operations: ['30-24=6'] Exploring Operation: 51+29=80, Resulting Numbers: [6, 80] Generated Node #3: [6, 80] from Operation: 51+29=80 Current State: 86:[6, 80], Operations: ['30-24=6', '51+29=80'] Exploring Operation: 6+80=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[24, 30, 51, 29], Operations: [] Exploring Operation: 29-24=5, Resulting Numbers: [30, 51, 5] Generated Node #0,0: 86:[30, 51, 5] Operation: 29-24=5 Exploring Operation: 30-24=6, Resulting Numbers: [51, 29, 6] Generated Node #0,1: 86:[51, 29, 6] Operation: 30-24=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[30, 51, 5], Operations: ['29-24=5'] Exploring Operation: 30+51=81, Resulting Numbers: [5, 81] Generated Node #0,0,0: 86:[5, 81] Operation: 30+51=81 Exploring Operation: 30/5=6, Resulting Numbers: [51, 6] Generated Node #0,0,1: 86:[51, 6] Operation: 30/5=6 Moving to Node #0,0,0 Current State: 86:[5, 81], Operations: ['29-24=5', '30+51=81'] Exploring Operation: 5+81=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[24, 30, 51, 29], Operations: [] Exploring Operation: 29-24=5, Resulting Numbers: [30, 51, 5] Generated Node #0,0: 86:[30, 51, 5] Operation: 29-24=5 Moving to Node #0,0 Current State: 86:[30, 51, 5], Operations: ['29-24=5'] Exploring Operation: 30+51=81, Resulting Numbers: [5, 81] Generated Node #0,0,0: 86:[5, 81] Operation: 30+51=81 Moving to Node #0,0,0 Current State: 86:[5, 81], Operations: ['29-24=5', '30+51=81'] Exploring Operation: 5+81=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 79, 14, 36, 2 ]
99
[ "79-14=65", "36-2=34", "65+34=99" ]
Current State: 99:[79, 14, 36, 2], Operations: [] Exploring Operation: 79-14=65, Resulting Numbers: [36, 2, 65] Generated Node #2: [36, 2, 65] from Operation: 79-14=65 Current State: 99:[36, 2, 65], Operations: ['79-14=65'] Exploring Operation: 36-2=34, Resulting Numbers: [65, 34] Generated Node #3: [65, 34] from Operation: 36-2=34 Current State: 99:[65, 34], Operations: ['79-14=65', '36-2=34'] Exploring Operation: 65+34=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[79, 14, 36, 2], Operations: [] Exploring Operation: 79+14=93, Resulting Numbers: [36, 2, 93] Generated Node #0,0: 99:[36, 2, 93] Operation: 79+14=93 Exploring Operation: 79-36=43, Resulting Numbers: [14, 2, 43] Generated Node #0,1: 99:[14, 2, 43] Operation: 79-36=43 Moving to Node #0,0 Current State: 99:[36, 2, 93], Operations: ['79+14=93'] Exploring Operation: 2+93=95, Resulting Numbers: [36, 95] Generated Node #0,0,0: 99:[36, 95] Operation: 2+93=95 Exploring Operation: 36-2=34, Resulting Numbers: [93, 34] Generated Node #0,0,1: 99:[93, 34] Operation: 36-2=34 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[36, 95], Operations: ['79+14=93', '2+93=95'] Exploring Operation: 95-36=59, Resulting Numbers: [59] 59,99 unequal: No Solution Exploring Operation: 36+95=131, Resulting Numbers: [131] 131,99 unequal: No Solution No 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: 99:[93, 34], Operations: ['79+14=93', '36-2=34'] Exploring Operation: 93+34=127, Resulting Numbers: [127] 127,99 unequal: No Solution Exploring Operation: 93-34=59, Resulting Numbers: [59] 59,99 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: 99:[14, 2, 43], Operations: ['79-36=43'] Exploring Operation: 14-2=12, Resulting Numbers: [43, 12] Generated Node #0,1,0: 99:[43, 12] Operation: 14-2=12 Exploring Operation: 43-14=29, Resulting Numbers: [2, 29] Generated Node #0,1,1: 99:[2, 29] Operation: 43-14=29 Moving to Node #0,1,1 Current State: 99:[2, 29], Operations: ['79-36=43', '43-14=29'] Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,99 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,99 unequal: No Solution Moving to Node #0,1,0 Current State: 99:[43, 12], Operations: ['79-36=43', '14-2=12'] Exploring Operation: 43+12=55, Resulting Numbers: [55] 55,99 unequal: No Solution Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,99 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 82, 12, 72, 84 ]
95
[ "72+84=156", "156/12=13", "82+13=95" ]
Current State: 95:[82, 12, 72, 84], Operations: [] Exploring Operation: 72+84=156, Resulting Numbers: [82, 12, 156] Generated Node #2: [82, 12, 156] from Operation: 72+84=156 Current State: 95:[82, 12, 156], Operations: ['72+84=156'] Exploring Operation: 156/12=13, Resulting Numbers: [82, 13] Generated Node #3: [82, 13] from Operation: 156/12=13 Current State: 95:[82, 13], Operations: ['72+84=156', '156/12=13'] Exploring Operation: 82+13=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[82, 12, 72, 84], Operations: [] Exploring Operation: 72/12=6, Resulting Numbers: [82, 84, 6] Generated Node #0,0: 95:[82, 84, 6] Operation: 72/12=6 Exploring Operation: 82-72=10, Resulting Numbers: [12, 84, 10] Generated Node #0,1: 95:[12, 84, 10] Operation: 82-72=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[12, 84, 10], Operations: ['82-72=10'] Exploring Operation: 12+84=96, Resulting Numbers: [10, 96] Generated Node #0,1,0: 95:[10, 96] Operation: 12+84=96 Exploring Operation: 84/12=7, Resulting Numbers: [10, 7] Generated Node #0,1,1: 95:[10, 7] Operation: 84/12=7 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 95:[10, 96], Operations: ['82-72=10', '12+84=96'] Exploring Operation: 96-10=86, Resulting Numbers: [86] 86,95 unequal: No Solution Exploring Operation: 10+96=106, Resulting Numbers: [106] 106,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 95:[10, 7], Operations: ['82-72=10', '84/12=7'] Exploring Operation: 10+7=17, Resulting Numbers: [17] 17,95 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,95 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: 95:[82, 84, 6], Operations: ['72/12=6'] Exploring Operation: 82+6=88, Resulting Numbers: [84, 88] Generated Node #0,0,0: 95:[84, 88] Operation: 82+6=88 Exploring Operation: 84-82=2, Resulting Numbers: [6, 2] Generated Node #0,0,1: 95:[6, 2] Operation: 84-82=2 Moving to Node #0,0,1 Current State: 95:[6, 2], Operations: ['72/12=6', '84-82=2'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,95 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,95 unequal: No Solution Moving to Node #0,0,0 Current State: 95:[84, 88], Operations: ['72/12=6', '82+6=88'] Exploring Operation: 84+88=172, Resulting Numbers: [172] 172,95 unequal: No Solution Exploring Operation: 88-84=4, Resulting Numbers: [4] 4,95 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
[ 60, 13, 80, 52 ]
80
[ "80-60=20", "52/13=4", "20*4=80" ]
Current State: 80:[60, 13, 80, 52], Operations: [] Exploring Operation: 80-60=20, Resulting Numbers: [13, 52, 20] Generated Node #2: [13, 52, 20] from Operation: 80-60=20 Current State: 80:[13, 52, 20], Operations: ['80-60=20'] Exploring Operation: 52/13=4, Resulting Numbers: [20, 4] Generated Node #3: [20, 4] from Operation: 52/13=4 Current State: 80:[20, 4], Operations: ['80-60=20', '52/13=4'] Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[60, 13, 80, 52], Operations: [] Exploring Operation: 60-13=47, Resulting Numbers: [80, 52, 47] Generated Node #0,0: 80:[80, 52, 47] Operation: 60-13=47 Exploring Operation: 80-60=20, Resulting Numbers: [13, 52, 20] Generated Node #0,1: 80:[13, 52, 20] Operation: 80-60=20 Exploring Operation: 60+13=73, Resulting Numbers: [80, 52, 73] Generated Node #0,2: 80:[80, 52, 73] Operation: 60+13=73 Exploring Operation: 60-52=8, Resulting Numbers: [13, 80, 8] Generated Node #0,3: 80:[13, 80, 8] Operation: 60-52=8 Moving to Node #0,3 Current State: 80:[13, 80, 8], Operations: ['60-52=8'] Exploring Operation: 80+8=88, Resulting Numbers: [13, 88] Generated Node #0,3,0: 80:[13, 88] Operation: 80+8=88 Exploring Operation: 13-8=5, Resulting Numbers: [80, 5] Generated Node #0,3,1: 80:[80, 5] Operation: 13-8=5 Exploring Operation: 80/8=10, Resulting Numbers: [13, 10] Generated Node #0,3,2: 80:[13, 10] Operation: 80/8=10 Exploring Operation: 13+8=21, Resulting Numbers: [80, 21] Generated Node #0,3,3: 80:[80, 21] Operation: 13+8=21 Moving to Node #0,1 Current State: 80:[13, 52, 20], Operations: ['80-60=20'] Exploring Operation: 52+20=72, Resulting Numbers: [13, 72] Generated Node #0,1,0: 80:[13, 72] Operation: 52+20=72 Exploring Operation: 52-13=39, Resulting Numbers: [20, 39] Generated Node #0,1,1: 80:[20, 39] Operation: 52-13=39 Exploring Operation: 52-20=32, Resulting Numbers: [13, 32] Generated Node #0,1,2: 80:[13, 32] Operation: 52-20=32 Exploring Operation: 52/13=4, Resulting Numbers: [20, 4] Generated Node #0,1,3: 80:[20, 4] Operation: 52/13=4 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 80:[20, 4], Operations: ['80-60=20', '52/13=4'] Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,80 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,80 unequal: No Solution Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[60, 13, 80, 52], Operations: [] Exploring Operation: 80-60=20, Resulting Numbers: [13, 52, 20] Generated Node #0,1: 80:[13, 52, 20] Operation: 80-60=20 Moving to Node #0,1 Current State: 80:[13, 52, 20], Operations: ['80-60=20'] Exploring Operation: 52/13=4, Resulting Numbers: [20, 4] Generated Node #0,1,3: 80:[20, 4] Operation: 52/13=4 Moving to Node #0,1,3 Current State: 80:[20, 4], Operations: ['80-60=20', '52/13=4'] Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
sum_heuristic
[ 15, 10, 36, 20 ]
57
[ "20/10=2", "36*2=72", "72-15=57" ]
Current State: 57:[15, 10, 36, 20], Operations: [] Exploring Operation: 20/10=2, Resulting Numbers: [15, 36, 2] Generated Node #2: [15, 36, 2] from Operation: 20/10=2 Current State: 57:[15, 36, 2], Operations: ['20/10=2'] Exploring Operation: 36*2=72, Resulting Numbers: [15, 72] Generated Node #3: [15, 72] from Operation: 36*2=72 Current State: 57:[15, 72], Operations: ['20/10=2', '36*2=72'] Exploring Operation: 72-15=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[15, 10, 36, 20], Operations: [] Exploring Operation: 15+36=51, Resulting Numbers: [10, 20, 51] Generated Node #0,0: 57:[10, 20, 51] Operation: 15+36=51 Exploring Operation: 36+20=56, Resulting Numbers: [15, 10, 56] Generated Node #0,1: 57:[15, 10, 56] Operation: 36+20=56 Exploring Operation: 36-20=16, Resulting Numbers: [15, 10, 16] Generated Node #0,2: 57:[15, 10, 16] Operation: 36-20=16 Exploring Operation: 36-10=26, Resulting Numbers: [15, 20, 26] Generated Node #0,3: 57:[15, 20, 26] Operation: 36-10=26 Exploring Operation: 36-15=21, Resulting Numbers: [10, 20, 21] Generated Node #0,4: 57:[10, 20, 21] Operation: 36-15=21 Start Sub Search at level 1: Moving to Node #0,4 Current State: 57:[10, 20, 21], Operations: ['36-15=21'] Exploring Operation: 10+20=30, Resulting Numbers: [21, 30] Generated Node #0,4,0: 57:[21, 30] Operation: 10+20=30 Exploring Operation: 21-10=11, Resulting Numbers: [20, 11] Generated Node #0,4,1: 57:[20, 11] Operation: 21-10=11 Exploring Operation: 21-20=1, Resulting Numbers: [10, 1] Generated Node #0,4,2: 57:[10, 1] Operation: 21-20=1 Exploring Operation: 20-10=10, Resulting Numbers: [21, 10] Generated Node #0,4,3: 57:[21, 10] Operation: 20-10=10 Exploring Operation: 20/10=2, Resulting Numbers: [21, 2] Generated Node #0,4,4: 57:[21, 2] Operation: 20/10=2 Moving to Node #0,4,4 Current State: 57:[21, 2], Operations: ['36-15=21', '20/10=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,57 unequal: No Solution Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,57 unequal: No Solution Moving to Node #0,4,2 Current State: 57:[10, 1], Operations: ['36-15=21', '21-20=1'] Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,57 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,57 unequal: No Solution Moving to Node #0,4,1 Current State: 57:[20, 11], Operations: ['36-15=21', '21-10=11'] Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,57 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,57 unequal: No Solution Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,57 unequal: No Solution Moving to Node #0,4,3 Current State: 57:[21, 10], Operations: ['36-15=21', '20-10=10'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 21*10=210, Resulting Numbers: [210] 210,57 unequal: No Solution Exploring Operation: 21+10=31, Resulting Numbers: [31] 31,57 unequal: No Solution Moving to Node #0,4,0 Current State: 57:[21, 30], Operations: ['36-15=21', '10+20=30'] Exploring Operation: 21+30=51, Resulting Numbers: [51] 51,57 unequal: No Solution Exploring Operation: 21*30=630, Resulting Numbers: [630] 630,57 unequal: No Solution Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[15, 10, 56], Operations: ['36+20=56'] Exploring Operation: 10+56=66, Resulting Numbers: [15, 66] Generated Node #0,1,0: 57:[15, 66] Operation: 10+56=66 Exploring Operation: 15-10=5, Resulting Numbers: [56, 5] Generated Node #0,1,1: 57:[56, 5] Operation: 15-10=5 Exploring Operation: 56-10=46, Resulting Numbers: [15, 46] Generated Node #0,1,2: 57:[15, 46] Operation: 56-10=46 Exploring Operation: 15+10=25, Resulting Numbers: [56, 25] Generated Node #0,1,3: 57:[56, 25] Operation: 15+10=25 Exploring Operation: 15+56=71, Resulting Numbers: [10, 71] Generated Node #0,1,4: 57:[10, 71] Operation: 15+56=71 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 57:[56, 5], Operations: ['36+20=56', '15-10=5'] Exploring Operation: 56*5=280, Resulting Numbers: [280] 280,57 unequal: No Solution Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,57 unequal: No Solution Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 57:[56, 25], Operations: ['36+20=56', '15+10=25'] Exploring Operation: 56*25=1400, Resulting Numbers: [1400] 1400,57 unequal: No Solution Exploring Operation: 56+25=81, Resulting Numbers: [81] 81,57 unequal: No Solution Exploring Operation: 56-25=31, Resulting Numbers: [31] 31,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 57:[15, 66], Operations: ['36+20=56', '10+56=66'] Exploring Operation: 66-15=51, Resulting Numbers: [51] 51,57 unequal: No Solution Exploring Operation: 15*66=990, Resulting Numbers: [990] 990,57 unequal: No Solution Exploring Operation: 15+66=81, Resulting Numbers: [81] 81,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 57:[15, 46], Operations: ['36+20=56', '56-10=46'] Exploring Operation: 15*46=690, Resulting Numbers: [690] 690,57 unequal: No Solution Exploring Operation: 15+46=61, Resulting Numbers: [61] 61,57 unequal: No Solution Exploring Operation: 46-15=31, Resulting Numbers: [31] 31,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 57:[10, 71], Operations: ['36+20=56', '15+56=71'] Exploring Operation: 10*71=710, Resulting Numbers: [710] 710,57 unequal: No Solution Exploring Operation: 10+71=81, Resulting Numbers: [81] 81,57 unequal: No Solution Exploring Operation: 71-10=61, Resulting Numbers: [61] 61,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 57:[15, 20, 26], Operations: ['36-10=26'] Exploring Operation: 20+26=46, Resulting Numbers: [15, 46] Generated Node #0,3,0: 57:[15, 46] Operation: 20+26=46 Exploring Operation: 20-15=5, Resulting Numbers: [26, 5] Generated Node #0,3,1: 57:[26, 5] Operation: 20-15=5 Exploring Operation: 26-20=6, Resulting Numbers: [15, 6] Generated Node #0,3,2: 57:[15, 6] Operation: 26-20=6 Exploring Operation: 26-15=11, Resulting Numbers: [20, 11] Generated Node #0,3,3: 57:[20, 11] Operation: 26-15=11 Exploring Operation: 15+26=41, Resulting Numbers: [20, 41] Generated Node #0,3,4: 57:[20, 41] Operation: 15+26=41 Moving to Node #0,3,2 Current State: 57:[15, 6], Operations: ['36-10=26', '26-20=6'] Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,57 unequal: No Solution Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,57 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,57 unequal: No Solution Moving to Node #0,3,3 Current State: 57:[20, 11], Operations: ['36-10=26', '26-15=11'] Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,57 unequal: No Solution Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,57 unequal: No Solution Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,57 unequal: No Solution Moving to Node #0,3,1 Current State: 57:[26, 5], Operations: ['36-10=26', '20-15=5'] Exploring Operation: 26+5=31, Resulting Numbers: [31] 31,57 unequal: No Solution Exploring Operation: 26*5=130, Resulting Numbers: [130] 130,57 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,57 unequal: No Solution Moving to Node #0,3,0 Current State: 57:[15, 46], Operations: ['36-10=26', '20+26=46'] Exploring Operation: 46-15=31, Resulting Numbers: [31] 31,57 unequal: No Solution Exploring Operation: 15*46=690, Resulting Numbers: [690] 690,57 unequal: No Solution Exploring Operation: 15+46=61, Resulting Numbers: [61] 61,57 unequal: No Solution Moving to Node #0,3,4 Current State: 57:[20, 41], Operations: ['36-10=26', '15+26=41'] Exploring Operation: 20*41=820, Resulting Numbers: [820] 820,57 unequal: No Solution Exploring Operation: 41-20=21, Resulting Numbers: [21] 21,57 unequal: No Solution Exploring Operation: 20+41=61, Resulting Numbers: [61] 61,57 unequal: No Solution No 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: 57:[10, 20, 51], Operations: ['15+36=51'] Exploring Operation: 51-10=41, Resulting Numbers: [20, 41] Generated Node #0,0,0: 57:[20, 41] Operation: 51-10=41 Exploring Operation: 10+20=30, Resulting Numbers: [51, 30] Generated Node #0,0,1: 57:[51, 30] Operation: 10+20=30 Exploring Operation: 10+51=61, Resulting Numbers: [20, 61] Generated Node #0,0,2: 57:[20, 61] Operation: 10+51=61 Exploring Operation: 20-10=10, Resulting Numbers: [51, 10] Generated Node #0,0,3: 57:[51, 10] Operation: 20-10=10 Exploring Operation: 20/10=2, Resulting Numbers: [51, 2] Generated Node #0,0,4: 57:[51, 2] Operation: 20/10=2 Moving to Node #0,0,2 Current State: 57:[20, 61], Operations: ['15+36=51', '10+51=61'] Exploring Operation: 20*61=1220, Resulting Numbers: [1220] 1220,57 unequal: No Solution Exploring Operation: 61-20=41, Resulting Numbers: [41] 41,57 unequal: No Solution Exploring Operation: 20+61=81, Resulting Numbers: [81] 81,57 unequal: No Solution Moving to Node #0,0,4 Current State: 57:[51, 2], Operations: ['15+36=51', '20/10=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,57 unequal: No Solution Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 51*2=102, Resulting Numbers: [102] 102,57 unequal: No Solution Moving to Node #0,0,3 Current State: 57:[51, 10], Operations: ['15+36=51', '20-10=10'] Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,57 unequal: No Solution Exploring Operation: 51*10=510, Resulting Numbers: [510] 510,57 unequal: No Solution Exploring Operation: 51+10=61, Resulting Numbers: [61] 61,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[20, 41], Operations: ['15+36=51', '51-10=41'] Exploring Operation: 20*41=820, Resulting Numbers: [820] 820,57 unequal: No Solution Exploring Operation: 41-20=21, Resulting Numbers: [21] 21,57 unequal: No Solution Exploring Operation: 20+41=61, Resulting Numbers: [61] 61,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[51, 30], Operations: ['15+36=51', '10+20=30'] Exploring Operation: 51*30=1530, Resulting Numbers: [1530] 1530,57 unequal: No Solution Exploring Operation: 51-30=21, Resulting Numbers: [21] 21,57 unequal: No Solution Exploring Operation: 51+30=81, Resulting Numbers: [81] 81,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[15, 10, 16], Operations: ['36-20=16'] Exploring Operation: 16-10=6, Resulting Numbers: [15, 6] Generated Node #0,2,0: 57:[15, 6] Operation: 16-10=6 Exploring Operation: 15-10=5, Resulting Numbers: [16, 5] Generated Node #0,2,1: 57:[16, 5] Operation: 15-10=5 Exploring Operation: 15+10=25, Resulting Numbers: [16, 25] Generated Node #0,2,2: 57:[16, 25] Operation: 15+10=25 Exploring Operation: 10+16=26, Resulting Numbers: [15, 26] Generated Node #0,2,3: 57:[15, 26] Operation: 10+16=26 Exploring Operation: 16-15=1, Resulting Numbers: [10, 1] Generated Node #0,2,4: 57:[10, 1] Operation: 16-15=1 Moving to Node #0,2,1 Current State: 57:[16, 5], Operations: ['36-20=16', '15-10=5'] Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,57 unequal: No Solution Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,57 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[15, 6], Operations: ['36-20=16', '16-10=6'] Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,57 unequal: No Solution Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,57 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,57 unequal: No Solution Moving to Node #0,2,2 Current State: 57:[16, 25], Operations: ['36-20=16', '15+10=25'] Exploring Operation: 16*25=400, Resulting Numbers: [400] 400,57 unequal: No Solution Exploring Operation: 16+25=41, Resulting Numbers: [41] 41,57 unequal: No Solution Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,57 unequal: No Solution Moving to Node #0,2,4 Current State: 57:[10, 1], Operations: ['36-20=16', '16-15=1'] Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,57 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,57 unequal: No Solution Moving to Node #0,2,3 Current State: 57:[15, 26], Operations: ['36-20=16', '10+16=26'] Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 15+26=41, Resulting Numbers: [41] 41,57 unequal: No Solution Exploring Operation: 15*26=390, Resulting Numbers: [390] 390,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 25, 23, 84, 61 ]
25
[ "25+23=48", "84-61=23", "48-23=25" ]
Current State: 25:[25, 23, 84, 61], Operations: [] Exploring Operation: 25+23=48, Resulting Numbers: [84, 61, 48] Generated Node #2: [84, 61, 48] from Operation: 25+23=48 Current State: 25:[84, 61, 48], Operations: ['25+23=48'] Exploring Operation: 84-61=23, Resulting Numbers: [48, 23] Generated Node #3: [48, 23] from Operation: 84-61=23 Current State: 25:[48, 23], Operations: ['25+23=48', '84-61=23'] Exploring Operation: 48-23=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[25, 23, 84, 61], Operations: [] Exploring Operation: 84-25=59, Resulting Numbers: [23, 61, 59] Generated Node #0,0: 25:[23, 61, 59] Operation: 84-25=59 Exploring Operation: 84-61=23, Resulting Numbers: [25, 23, 23] Generated Node #0,1: 25:[25, 23, 23] Operation: 84-61=23 Exploring Operation: 61-25=36, Resulting Numbers: [23, 84, 36] Generated Node #0,2: 25:[23, 84, 36] Operation: 61-25=36 Exploring Operation: 84-23=61, Resulting Numbers: [25, 61, 61] Generated Node #0,3: 25:[25, 61, 61] Operation: 84-23=61 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[25, 23, 23], Operations: ['84-61=23'] Exploring Operation: 25-23=2, Resulting Numbers: [23, 2] Generated Node #0,1,0: 25:[23, 2] Operation: 25-23=2 Exploring Operation: 25-23=2, Resulting Numbers: [23, 2] Generated Node #0,1,1: 25:[23, 2] Operation: 25-23=2 Exploring Operation: 23/23=1, Resulting Numbers: [25, 1] Generated Node #0,1,2: 25:[25, 1] Operation: 23/23=1 Exploring Operation: 23-23=0, Resulting Numbers: [25, 0] Generated Node #0,1,3: 25:[25, 0] Operation: 23-23=0 Moving to Node #0,1,2 Current State: 25:[25, 1], Operations: ['84-61=23', '23/23=1'] Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[25, 23, 84, 61], Operations: [] Exploring Operation: 84-61=23, Resulting Numbers: [25, 23, 23] Generated Node #0,1: 25:[25, 23, 23] Operation: 84-61=23 Moving to Node #0,1 Current State: 25:[25, 23, 23], Operations: ['84-61=23'] Exploring Operation: 23/23=1, Resulting Numbers: [25, 1] Generated Node #0,1,2: 25:[25, 1] Operation: 23/23=1 Moving to Node #0,1,2 Current State: 25:[25, 1], Operations: ['84-61=23', '23/23=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 20, 1, 40, 26 ]
12
[ "40/20=2", "26/2=13", "13-1=12" ]
Current State: 12:[20, 1, 40, 26], Operations: [] Exploring Operation: 40/20=2, Resulting Numbers: [1, 26, 2] Generated Node #2: [1, 26, 2] from Operation: 40/20=2 Current State: 12:[1, 26, 2], Operations: ['40/20=2'] Exploring Operation: 26/2=13, Resulting Numbers: [1, 13] Generated Node #3: [1, 13] from Operation: 26/2=13 Current State: 12:[1, 13], Operations: ['40/20=2', '26/2=13'] Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[20, 1, 40, 26], Operations: [] Exploring Operation: 26-20=6, Resulting Numbers: [1, 40, 6] Generated Node #0,0: 12:[1, 40, 6] Operation: 26-20=6 Exploring Operation: 40-20=20, Resulting Numbers: [1, 26, 20] Generated Node #0,1: 12:[1, 26, 20] Operation: 40-20=20 Exploring Operation: 40/20=2, Resulting Numbers: [1, 26, 2] Generated Node #0,2: 12:[1, 26, 2] Operation: 40/20=2 Exploring Operation: 40-26=14, Resulting Numbers: [20, 1, 14] Generated Node #0,3: 12:[20, 1, 14] Operation: 40-26=14 Start Sub Search at level 1: Moving to Node #0,3 Current State: 12:[20, 1, 14], Operations: ['40-26=14'] Exploring Operation: 20-14=6, Resulting Numbers: [1, 6] Generated Node #0,3,0: 12:[1, 6] Operation: 20-14=6 Exploring Operation: 14-1=13, Resulting Numbers: [20, 13] Generated Node #0,3,1: 12:[20, 13] Operation: 14-1=13 Exploring Operation: 20-1=19, Resulting Numbers: [14, 19] Generated Node #0,3,2: 12:[14, 19] Operation: 20-1=19 Exploring Operation: 20*1=20, Resulting Numbers: [14, 20] Generated Node #0,3,3: 12:[14, 20] Operation: 20*1=20 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 12:[1, 6], Operations: ['40-26=14', '20-14=6'] Exploring Operation: 1+6=7, Resulting Numbers: [7] 7,12 unequal: No Solution Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,12 unequal: No Solution No 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: 12:[20, 13], Operations: ['40-26=14', '14-1=13'] Exploring Operation: 20*13=260, Resulting Numbers: [260] 260,12 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,12 unequal: No Solution Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,12 unequal: No Solution No 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: 12:[14, 19], Operations: ['40-26=14', '20-1=19'] Exploring Operation: 14+19=33, Resulting Numbers: [33] 33,12 unequal: No Solution Exploring Operation: 14*19=266, Resulting Numbers: [266] 266,12 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,12 unequal: No Solution No 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: 12:[14, 20], Operations: ['40-26=14', '20*1=20'] Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 14*20=280, Resulting Numbers: [280] 280,12 unequal: No Solution Exploring Operation: 14+20=34, Resulting Numbers: [34] 34,12 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: 12:[1, 26, 2], Operations: ['40/20=2'] Exploring Operation: 1*26=26, Resulting Numbers: [2, 26] Generated Node #0,2,0: 12:[2, 26] Operation: 1*26=26 Exploring Operation: 26-2=24, Resulting Numbers: [1, 24] Generated Node #0,2,1: 12:[1, 24] Operation: 26-2=24 Exploring Operation: 26/2=13, Resulting Numbers: [1, 13] Generated Node #0,2,2: 12:[1, 13] Operation: 26/2=13 Exploring Operation: 26-1=25, Resulting Numbers: [2, 25] Generated Node #0,2,3: 12:[2, 25] Operation: 26-1=25 Moving to Node #0,2,2 Current State: 12:[1, 13], Operations: ['40/20=2', '26/2=13'] Exploring Operation: 1*13=13, Resulting Numbers: [13] 13,12 unequal: No Solution Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[20, 1, 40, 26], Operations: [] Exploring Operation: 40/20=2, Resulting Numbers: [1, 26, 2] Generated Node #0,2: 12:[1, 26, 2] Operation: 40/20=2 Moving to Node #0,2 Current State: 12:[1, 26, 2], Operations: ['40/20=2'] Exploring Operation: 26/2=13, Resulting Numbers: [1, 13] Generated Node #0,2,2: 12:[1, 13] Operation: 26/2=13 Moving to Node #0,2,2 Current State: 12:[1, 13], Operations: ['40/20=2', '26/2=13'] Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
mult_heuristic
[ 98, 78, 89, 49 ]
20
[ "98-78=20", "89-49=40", "40-20=20" ]
Current State: 20:[98, 78, 89, 49], Operations: [] Exploring Operation: 98-78=20, Resulting Numbers: [89, 49, 20] Generated Node #2: [89, 49, 20] from Operation: 98-78=20 Current State: 20:[89, 49, 20], Operations: ['98-78=20'] Exploring Operation: 89-49=40, Resulting Numbers: [20, 40] Generated Node #3: [20, 40] from Operation: 89-49=40 Current State: 20:[20, 40], Operations: ['98-78=20', '89-49=40'] Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[98, 78, 89, 49], Operations: [] Exploring Operation: 98-78=20, Resulting Numbers: [89, 49, 20] Generated Node #0,0: 20:[89, 49, 20] Operation: 98-78=20 Exploring Operation: 98/49=2, Resulting Numbers: [78, 89, 2] Generated Node #0,1: 20:[78, 89, 2] Operation: 98/49=2 Exploring Operation: 89-78=11, Resulting Numbers: [98, 49, 11] Generated Node #0,2: 20:[98, 49, 11] Operation: 89-78=11 Exploring Operation: 98-89=9, Resulting Numbers: [78, 49, 9] Generated Node #0,3: 20:[78, 49, 9] Operation: 98-89=9 Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[78, 49, 9], Operations: ['98-89=9'] Exploring Operation: 78-9=69, Resulting Numbers: [49, 69] Generated Node #0,3,0: 20:[49, 69] Operation: 78-9=69 Exploring Operation: 78-49=29, Resulting Numbers: [9, 29] Generated Node #0,3,1: 20:[9, 29] Operation: 78-49=29 Exploring Operation: 78+9=87, Resulting Numbers: [49, 87] Generated Node #0,3,2: 20:[49, 87] Operation: 78+9=87 Exploring Operation: 49-9=40, Resulting Numbers: [78, 40] Generated Node #0,3,3: 20:[78, 40] Operation: 49-9=40 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 20:[9, 29], Operations: ['98-89=9', '78-49=29'] Exploring Operation: 9+29=38, Resulting Numbers: [38] 38,20 unequal: No Solution Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[98, 78, 89, 49], Operations: [] Exploring Operation: 98-89=9, Resulting Numbers: [78, 49, 9] Generated Node #0,3: 20:[78, 49, 9] Operation: 98-89=9 Moving to Node #0,3 Current State: 20:[78, 49, 9], Operations: ['98-89=9'] Exploring Operation: 78-49=29, Resulting Numbers: [9, 29] Generated Node #0,3,1: 20:[9, 29] Operation: 78-49=29 Moving to Node #0,3,1 Current State: 20:[9, 29], Operations: ['98-89=9', '78-49=29'] Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 51, 9, 88, 56 ]
43
[ "56-51=5", "9*5=45", "88-45=43" ]
Current State: 43:[51, 9, 88, 56], Operations: [] Exploring Operation: 56-51=5, Resulting Numbers: [9, 88, 5] Generated Node #2: [9, 88, 5] from Operation: 56-51=5 Current State: 43:[9, 88, 5], Operations: ['56-51=5'] Exploring Operation: 9*5=45, Resulting Numbers: [88, 45] Generated Node #3: [88, 45] from Operation: 9*5=45 Current State: 43:[88, 45], Operations: ['56-51=5', '9*5=45'] Exploring Operation: 88-45=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[51, 9, 88, 56], Operations: [] Exploring Operation: 88-9=79, Resulting Numbers: [51, 56, 79] Generated Node #0,0: 43:[51, 56, 79] Operation: 88-9=79 Exploring Operation: 88-56=32, Resulting Numbers: [51, 9, 32] Generated Node #0,1: 43:[51, 9, 32] Operation: 88-56=32 Exploring Operation: 56-9=47, Resulting Numbers: [51, 88, 47] Generated Node #0,2: 43:[51, 88, 47] Operation: 56-9=47 Exploring Operation: 88-51=37, Resulting Numbers: [9, 56, 37] Generated Node #0,3: 43:[9, 56, 37] Operation: 88-51=37 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[51, 9, 32], Operations: ['88-56=32'] Exploring Operation: 9+32=41, Resulting Numbers: [51, 41] Generated Node #0,1,0: 43:[51, 41] Operation: 9+32=41 Exploring Operation: 51-9=42, Resulting Numbers: [32, 42] Generated Node #0,1,1: 43:[32, 42] Operation: 51-9=42 Exploring Operation: 51+9=60, Resulting Numbers: [32, 60] Generated Node #0,1,2: 43:[32, 60] Operation: 51+9=60 Exploring Operation: 32-9=23, Resulting Numbers: [51, 23] Generated Node #0,1,3: 43:[51, 23] Operation: 32-9=23 Moving to Node #0,1,0 Current State: 43:[51, 41], Operations: ['88-56=32', '9+32=41'] Exploring Operation: 51*41=2091, Resulting Numbers: [2091] 2091,43 unequal: No Solution Exploring Operation: 51-41=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 51+41=92, Resulting Numbers: [92] 92,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[32, 42], Operations: ['88-56=32', '51-9=42'] Exploring Operation: 32*42=1344, Resulting Numbers: [1344] 1344,43 unequal: No Solution Exploring Operation: 42-32=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 32+42=74, Resulting Numbers: [74] 74,43 unequal: No Solution Moving to Node #0,1,3 Current State: 43:[51, 23], Operations: ['88-56=32', '32-9=23'] Exploring Operation: 51+23=74, Resulting Numbers: [74] 74,43 unequal: No Solution Exploring Operation: 51*23=1173, Resulting Numbers: [1173] 1173,43 unequal: No Solution Exploring Operation: 51-23=28, Resulting Numbers: [28] 28,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[32, 60], Operations: ['88-56=32', '51+9=60'] Exploring Operation: 32*60=1920, Resulting Numbers: [1920] 1920,43 unequal: No Solution Exploring Operation: 32+60=92, Resulting Numbers: [92] 92,43 unequal: No Solution Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,43 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 #0,3 Current State: 43:[9, 56, 37], Operations: ['88-51=37'] Exploring Operation: 37-9=28, Resulting Numbers: [56, 28] Generated Node #0,3,0: 43:[56, 28] Operation: 37-9=28 Exploring Operation: 9+56=65, Resulting Numbers: [37, 65] Generated Node #0,3,1: 43:[37, 65] Operation: 9+56=65 Exploring Operation: 9+37=46, Resulting Numbers: [56, 46] Generated Node #0,3,2: 43:[56, 46] Operation: 9+37=46 Exploring Operation: 56-9=47, Resulting Numbers: [37, 47] Generated Node #0,3,3: 43:[37, 47] Operation: 56-9=47 Moving to Node #0,3,3 Current State: 43:[37, 47], Operations: ['88-51=37', '56-9=47'] Exploring Operation: 37+47=84, Resulting Numbers: [84] 84,43 unequal: No Solution Exploring Operation: 47-37=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 37*47=1739, Resulting Numbers: [1739] 1739,43 unequal: No Solution Moving to Node #0,3,2 Current State: 43:[56, 46], Operations: ['88-51=37', '9+37=46'] Exploring Operation: 56+46=102, Resulting Numbers: [102] 102,43 unequal: No Solution Exploring Operation: 56*46=2576, Resulting Numbers: [2576] 2576,43 unequal: No Solution Exploring Operation: 56-46=10, Resulting Numbers: [10] 10,43 unequal: No Solution Moving to Node #0,3,1 Current State: 43:[37, 65], Operations: ['88-51=37', '9+56=65'] Exploring Operation: 37*65=2405, Resulting Numbers: [2405] 2405,43 unequal: No Solution Exploring Operation: 65-37=28, Resulting Numbers: [28] 28,43 unequal: No Solution Exploring Operation: 37+65=102, Resulting Numbers: [102] 102,43 unequal: No Solution Moving to Node #0,3,0 Current State: 43:[56, 28], Operations: ['88-51=37', '37-9=28'] Exploring Operation: 56/28=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 56*28=1568, Resulting Numbers: [1568] 1568,43 unequal: No Solution Exploring Operation: 56+28=84, Resulting Numbers: [84] 84,43 unequal: No Solution Exploring Operation: 56-28=28, Resulting Numbers: [28] 28,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[51, 56, 79], Operations: ['88-9=79'] Exploring Operation: 79-51=28, Resulting Numbers: [56, 28] Generated Node #0,0,0: 43:[56, 28] Operation: 79-51=28 Exploring Operation: 56-51=5, Resulting Numbers: [79, 5] Generated Node #0,0,1: 43:[79, 5] Operation: 56-51=5 Exploring Operation: 79-56=23, Resulting Numbers: [51, 23] Generated Node #0,0,2: 43:[51, 23] Operation: 79-56=23 Exploring Operation: 51+56=107, Resulting Numbers: [79, 107] Generated Node #0,0,3: 43:[79, 107] Operation: 51+56=107 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[56, 28], Operations: ['88-9=79', '79-51=28'] Exploring Operation: 56/28=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 56-28=28, Resulting Numbers: [28] 28,43 unequal: No Solution Exploring Operation: 56+28=84, Resulting Numbers: [84] 84,43 unequal: No Solution Exploring Operation: 56*28=1568, Resulting Numbers: [1568] 1568,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 43:[51, 23], Operations: ['88-9=79', '79-56=23'] Exploring Operation: 51*23=1173, Resulting Numbers: [1173] 1173,43 unequal: No Solution Exploring Operation: 51-23=28, Resulting Numbers: [28] 28,43 unequal: No Solution Exploring Operation: 51+23=74, Resulting Numbers: [74] 74,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[79, 5], Operations: ['88-9=79', '56-51=5'] Exploring Operation: 79+5=84, Resulting Numbers: [84] 84,43 unequal: No Solution Exploring Operation: 79-5=74, Resulting Numbers: [74] 74,43 unequal: No Solution Exploring Operation: 79*5=395, Resulting Numbers: [395] 395,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 43:[79, 107], Operations: ['88-9=79', '51+56=107'] Exploring Operation: 79+107=186, Resulting Numbers: [186] 186,43 unequal: No Solution Exploring Operation: 79*107=8453, Resulting Numbers: [8453] 8453,43 unequal: No Solution Exploring Operation: 107-79=28, Resulting Numbers: [28] 28,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[51, 88, 47], Operations: ['56-9=47'] Exploring Operation: 88-51=37, Resulting Numbers: [47, 37] Generated Node #0,2,0: 43:[47, 37] Operation: 88-51=37 Exploring Operation: 51+88=139, Resulting Numbers: [47, 139] Generated Node #0,2,1: 43:[47, 139] Operation: 51+88=139 Exploring Operation: 88-47=41, Resulting Numbers: [51, 41] Generated Node #0,2,2: 43:[51, 41] Operation: 88-47=41 Exploring Operation: 51-47=4, Resulting Numbers: [88, 4] Generated Node #0,2,3: 43:[88, 4] Operation: 51-47=4 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[47, 37], Operations: ['56-9=47', '88-51=37'] Exploring Operation: 47-37=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 47+37=84, Resulting Numbers: [84] 84,43 unequal: No Solution Exploring Operation: 47*37=1739, Resulting Numbers: [1739] 1739,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[51, 41], Operations: ['56-9=47', '88-47=41'] Exploring Operation: 51-41=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 51+41=92, Resulting Numbers: [92] 92,43 unequal: No Solution Exploring Operation: 51*41=2091, Resulting Numbers: [2091] 2091,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 43:[88, 4], Operations: ['56-9=47', '51-47=4'] Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,43 unequal: No Solution Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,43 unequal: No Solution Exploring Operation: 88*4=352, Resulting Numbers: [352] 352,43 unequal: No Solution Exploring Operation: 88+4=92, Resulting Numbers: [92] 92,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[47, 139], Operations: ['56-9=47', '51+88=139'] Exploring Operation: 47+139=186, Resulting Numbers: [186] 186,43 unequal: No Solution Exploring Operation: 47*139=6533, Resulting Numbers: [6533] 6533,43 unequal: No Solution Exploring Operation: 139-47=92, Resulting Numbers: [92] 92,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 55, 45, 60, 51 ]
60
[ "60-55=5", "45/5=9", "51+9=60" ]
Current State: 60:[55, 45, 60, 51], Operations: [] Exploring Operation: 60-55=5, Resulting Numbers: [45, 51, 5] Generated Node #2: [45, 51, 5] from Operation: 60-55=5 Current State: 60:[45, 51, 5], Operations: ['60-55=5'] Exploring Operation: 45/5=9, Resulting Numbers: [51, 9] Generated Node #3: [51, 9] from Operation: 45/5=9 Current State: 60:[51, 9], Operations: ['60-55=5', '45/5=9'] Exploring Operation: 51+9=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[55, 45, 60, 51], Operations: [] Exploring Operation: 60-45=15, Resulting Numbers: [55, 51, 15] Generated Node #0,0: 60:[55, 51, 15] Operation: 60-45=15 Exploring Operation: 60-51=9, Resulting Numbers: [55, 45, 9] Generated Node #0,1: 60:[55, 45, 9] Operation: 60-51=9 Exploring Operation: 51-45=6, Resulting Numbers: [55, 60, 6] Generated Node #0,2: 60:[55, 60, 6] Operation: 51-45=6 Exploring Operation: 55-51=4, Resulting Numbers: [45, 60, 4] Generated Node #0,3: 60:[45, 60, 4] Operation: 55-51=4 Exploring Operation: 55-45=10, Resulting Numbers: [60, 51, 10] Generated Node #0,4: 60:[60, 51, 10] Operation: 55-45=10 Moving to Node #0,2 Current State: 60:[55, 60, 6], Operations: ['51-45=6'] Exploring Operation: 60/6=10, Resulting Numbers: [55, 10] Generated Node #0,2,0: 60:[55, 10] Operation: 60/6=10 Exploring Operation: 60-55=5, Resulting Numbers: [6, 5] Generated Node #0,2,1: 60:[6, 5] Operation: 60-55=5 Exploring Operation: 55-6=49, Resulting Numbers: [60, 49] Generated Node #0,2,2: 60:[60, 49] Operation: 55-6=49 Exploring Operation: 60+6=66, Resulting Numbers: [55, 66] Generated Node #0,2,3: 60:[55, 66] Operation: 60+6=66 Exploring Operation: 55+6=61, Resulting Numbers: [60, 61] Generated Node #0,2,4: 60:[60, 61] Operation: 55+6=61 Moving to Node #0,4 Current State: 60:[60, 51, 10], Operations: ['55-45=10'] Exploring Operation: 60+10=70, Resulting Numbers: [51, 70] Generated Node #0,4,0: 60:[51, 70] Operation: 60+10=70 Exploring Operation: 60-51=9, Resulting Numbers: [10, 9] Generated Node #0,4,1: 60:[10, 9] Operation: 60-51=9 Exploring Operation: 51+10=61, Resulting Numbers: [60, 61] Generated Node #0,4,2: 60:[60, 61] Operation: 51+10=61 Exploring Operation: 51-10=41, Resulting Numbers: [60, 41] Generated Node #0,4,3: 60:[60, 41] Operation: 51-10=41 Exploring Operation: 60/10=6, Resulting Numbers: [51, 6] Generated Node #0,4,4: 60:[51, 6] Operation: 60/10=6 Moving to Node #0,0 Current State: 60:[55, 51, 15], Operations: ['60-45=15'] Exploring Operation: 51+15=66, Resulting Numbers: [55, 66] Generated Node #0,0,0: 60:[55, 66] Operation: 51+15=66 Exploring Operation: 55+15=70, Resulting Numbers: [51, 70] Generated Node #0,0,1: 60:[51, 70] Operation: 55+15=70 Exploring Operation: 55-51=4, Resulting Numbers: [15, 4] Generated Node #0,0,2: 60:[15, 4] Operation: 55-51=4 Exploring Operation: 55-15=40, Resulting Numbers: [51, 40] Generated Node #0,0,3: 60:[51, 40] Operation: 55-15=40 Exploring Operation: 51-15=36, Resulting Numbers: [55, 36] Generated Node #0,0,4: 60:[55, 36] Operation: 51-15=36 Moving to Node #0,3 Current State: 60:[45, 60, 4], Operations: ['55-51=4'] Exploring Operation: 60/4=15, Resulting Numbers: [45, 15] Generated Node #0,3,0: 60:[45, 15] Operation: 60/4=15 Exploring Operation: 45+4=49, Resulting Numbers: [60, 49] Generated Node #0,3,1: 60:[60, 49] Operation: 45+4=49 Exploring Operation: 45-4=41, Resulting Numbers: [60, 41] Generated Node #0,3,2: 60:[60, 41] Operation: 45-4=41 Exploring Operation: 60+4=64, Resulting Numbers: [45, 64] Generated Node #0,3,3: 60:[45, 64] Operation: 60+4=64 Exploring Operation: 60-45=15, Resulting Numbers: [4, 15] Generated Node #0,3,4: 60:[4, 15] Operation: 60-45=15 Moving to Node #0,1 Current State: 60:[55, 45, 9], Operations: ['60-51=9'] Exploring Operation: 55+9=64, Resulting Numbers: [45, 64] Generated Node #0,1,0: 60:[45, 64] Operation: 55+9=64 Exploring Operation: 55-45=10, Resulting Numbers: [9, 10] Generated Node #0,1,1: 60:[9, 10] Operation: 55-45=10 Exploring Operation: 45+9=54, Resulting Numbers: [55, 54] Generated Node #0,1,2: 60:[55, 54] Operation: 45+9=54 Exploring Operation: 45-9=36, Resulting Numbers: [55, 36] Generated Node #0,1,3: 60:[55, 36] Operation: 45-9=36 Exploring Operation: 45/9=5, Resulting Numbers: [55, 5] Generated Node #0,1,4: 60:[55, 5] Operation: 45/9=5 Moving to Node #0,2,1 Current State: 60:[6, 5], Operations: ['51-45=6', '60-55=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[15, 4], Operations: ['60-45=15', '55-51=4'] Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,60 unequal: No Solution Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[55, 45, 60, 51], Operations: [] Exploring Operation: 60-45=15, Resulting Numbers: [55, 51, 15] Generated Node #0,0: 60:[55, 51, 15] Operation: 60-45=15 Moving to Node #0,0 Current State: 60:[55, 51, 15], Operations: ['60-45=15'] Exploring Operation: 55-51=4, Resulting Numbers: [15, 4] Generated Node #0,0,2: 60:[15, 4] Operation: 55-51=4 Moving to Node #0,0,2 Current State: 60:[15, 4], Operations: ['60-45=15', '55-51=4'] Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
0.966146
hs_5
sum_heuristic
[ 25, 47, 41, 3 ]
25
[ "47-25=22", "3*22=66", "66-41=25" ]
Current State: 25:[25, 47, 41, 3], Operations: [] Exploring Operation: 47-25=22, Resulting Numbers: [41, 3, 22] Generated Node #2: [41, 3, 22] from Operation: 47-25=22 Current State: 25:[41, 3, 22], Operations: ['47-25=22'] Exploring Operation: 3*22=66, Resulting Numbers: [41, 66] Generated Node #3: [41, 66] from Operation: 3*22=66 Current State: 25:[41, 66], Operations: ['47-25=22', '3*22=66'] Exploring Operation: 66-41=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[25, 47, 41, 3], Operations: [] Exploring Operation: 47-25=22, Resulting Numbers: [41, 3, 22] Generated Node #0,0: 25:[41, 3, 22] Operation: 47-25=22 Exploring Operation: 47-3=44, Resulting Numbers: [25, 41, 44] Generated Node #0,1: 25:[25, 41, 44] Operation: 47-3=44 Exploring Operation: 41-25=16, Resulting Numbers: [47, 3, 16] Generated Node #0,2: 25:[47, 3, 16] Operation: 41-25=16 Exploring Operation: 47-41=6, Resulting Numbers: [25, 3, 6] Generated Node #0,3: 25:[25, 3, 6] Operation: 47-41=6 Start Sub Search at level 1: Moving to Node #0,3 Current State: 25:[25, 3, 6], Operations: ['47-41=6'] Exploring Operation: 6/3=2, Resulting Numbers: [25, 2] Generated Node #0,3,0: 25:[25, 2] Operation: 6/3=2 Exploring Operation: 25-3=22, Resulting Numbers: [6, 22] Generated Node #0,3,1: 25:[6, 22] Operation: 25-3=22 Exploring Operation: 6-3=3, Resulting Numbers: [25, 3] Generated Node #0,3,2: 25:[25, 3] Operation: 6-3=3 Exploring Operation: 25+3=28, Resulting Numbers: [6, 28] Generated Node #0,3,3: 25:[6, 28] Operation: 25+3=28 Moving to Node #0,3,2 Current State: 25:[25, 3], Operations: ['47-41=6', '6-3=3'] Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,25 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,25 unequal: No Solution Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,25 unequal: No Solution Moving to Node #0,3,0 Current State: 25:[25, 2], Operations: ['47-41=6', '6/3=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,25 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,25 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,25 unequal: No Solution Moving to Node #0,3,3 Current State: 25:[6, 28], Operations: ['47-41=6', '25+3=28'] Exploring Operation: 6*28=168, Resulting Numbers: [168] 168,25 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,25 unequal: No Solution Exploring Operation: 6+28=34, Resulting Numbers: [34] 34,25 unequal: No Solution Moving to Node #0,3,1 Current State: 25:[6, 22], Operations: ['47-41=6', '25-3=22'] Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,25 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,25 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[41, 3, 22], Operations: ['47-25=22'] Exploring Operation: 41-22=19, Resulting Numbers: [3, 19] Generated Node #0,0,0: 25:[3, 19] Operation: 41-22=19 Exploring Operation: 41+3=44, Resulting Numbers: [22, 44] Generated Node #0,0,1: 25:[22, 44] Operation: 41+3=44 Exploring Operation: 41-3=38, Resulting Numbers: [22, 38] Generated Node #0,0,2: 25:[22, 38] Operation: 41-3=38 Exploring Operation: 3+22=25, Resulting Numbers: [41, 25] Generated Node #0,0,3: 25:[41, 25] Operation: 3+22=25 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[3, 19], Operations: ['47-25=22', '41-22=19'] Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,25 unequal: No Solution Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,25 unequal: No Solution Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 25:[22, 38], Operations: ['47-25=22', '41-3=38'] Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,25 unequal: No Solution Exploring Operation: 22*38=836, Resulting Numbers: [836] 836,25 unequal: No Solution Exploring Operation: 22+38=60, Resulting Numbers: [60] 60,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 25:[41, 25], Operations: ['47-25=22', '3+22=25'] Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,25 unequal: No Solution Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,25 unequal: No Solution Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 25:[22, 44], Operations: ['47-25=22', '41+3=44'] Exploring Operation: 44/22=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 44-22=22, Resulting Numbers: [22] 22,25 unequal: No Solution Exploring Operation: 22+44=66, Resulting Numbers: [66] 66,25 unequal: No Solution Exploring Operation: 22*44=968, Resulting Numbers: [968] 968,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[47, 3, 16], Operations: ['41-25=16'] Exploring Operation: 3+16=19, Resulting Numbers: [47, 19] Generated Node #0,2,0: 25:[47, 19] Operation: 3+16=19 Exploring Operation: 47-16=31, Resulting Numbers: [3, 31] Generated Node #0,2,1: 25:[3, 31] Operation: 47-16=31 Exploring Operation: 47-3=44, Resulting Numbers: [16, 44] Generated Node #0,2,2: 25:[16, 44] Operation: 47-3=44 Exploring Operation: 16-3=13, Resulting Numbers: [47, 13] Generated Node #0,2,3: 25:[47, 13] Operation: 16-3=13 Moving to Node #0,2,1 Current State: 25:[3, 31], Operations: ['41-25=16', '47-16=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,25 unequal: No Solution Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[16, 44], Operations: ['41-25=16', '47-3=44'] Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,25 unequal: No Solution Exploring Operation: 16*44=704, Resulting Numbers: [704] 704,25 unequal: No Solution Exploring Operation: 16+44=60, Resulting Numbers: [60] 60,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[47, 19], Operations: ['41-25=16', '3+16=19'] Exploring Operation: 47+19=66, Resulting Numbers: [66] 66,25 unequal: No Solution Exploring Operation: 47*19=893, Resulting Numbers: [893] 893,25 unequal: No Solution Exploring Operation: 47-19=28, Resulting Numbers: [28] 28,25 unequal: No Solution Moving to Node #0,2,3 Current State: 25:[47, 13], Operations: ['41-25=16', '16-3=13'] Exploring Operation: 47-13=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 47*13=611, Resulting Numbers: [611] 611,25 unequal: No Solution Exploring Operation: 47+13=60, Resulting Numbers: [60] 60,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[25, 41, 44], Operations: ['47-3=44'] Exploring Operation: 25+41=66, Resulting Numbers: [44, 66] Generated Node #0,1,0: 25:[44, 66] Operation: 25+41=66 Exploring Operation: 41-25=16, Resulting Numbers: [44, 16] Generated Node #0,1,1: 25:[44, 16] Operation: 41-25=16 Exploring Operation: 44-25=19, Resulting Numbers: [41, 19] Generated Node #0,1,2: 25:[41, 19] Operation: 44-25=19 Exploring Operation: 44-41=3, Resulting Numbers: [25, 3] Generated Node #0,1,3: 25:[25, 3] Operation: 44-41=3 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 25:[25, 3], Operations: ['47-3=44', '44-41=3'] Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,25 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,25 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 25:[41, 19], Operations: ['47-3=44', '44-25=19'] Exploring Operation: 41*19=779, Resulting Numbers: [779] 779,25 unequal: No Solution Exploring Operation: 41+19=60, Resulting Numbers: [60] 60,25 unequal: No Solution Exploring Operation: 41-19=22, Resulting Numbers: [22] 22,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 25:[44, 16], Operations: ['47-3=44', '41-25=16'] Exploring Operation: 44*16=704, Resulting Numbers: [704] 704,25 unequal: No Solution Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,25 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 25:[44, 66], Operations: ['47-3=44', '25+41=66'] Exploring Operation: 66-44=22, Resulting Numbers: [22] 22,25 unequal: No Solution Exploring Operation: 44+66=110, Resulting Numbers: [110] 110,25 unequal: No Solution Exploring Operation: 44*66=2904, Resulting Numbers: [2904] 2904,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 64, 17, 8, 99 ]
75
[ "17-8=9", "99/9=11", "64+11=75" ]
Current State: 75:[64, 17, 8, 99], Operations: [] Exploring Operation: 17-8=9, Resulting Numbers: [64, 99, 9] Generated Node #2: [64, 99, 9] from Operation: 17-8=9 Current State: 75:[64, 99, 9], Operations: ['17-8=9'] Exploring Operation: 99/9=11, Resulting Numbers: [64, 11] Generated Node #3: [64, 11] from Operation: 99/9=11 Current State: 75:[64, 11], Operations: ['17-8=9', '99/9=11'] Exploring Operation: 64+11=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[64, 17, 8, 99], Operations: [] Exploring Operation: 99-64=35, Resulting Numbers: [17, 8, 35] Generated Node #0,0: 75:[17, 8, 35] Operation: 99-64=35 Exploring Operation: 64+8=72, Resulting Numbers: [17, 99, 72] Generated Node #0,1: 75:[17, 99, 72] Operation: 64+8=72 Exploring Operation: 99-17=82, Resulting Numbers: [64, 8, 82] Generated Node #0,2: 75:[64, 8, 82] Operation: 99-17=82 Moving to Node #0,0 Current State: 75:[17, 8, 35], Operations: ['99-64=35'] Exploring Operation: 35-17=18, Resulting Numbers: [8, 18] Generated Node #0,0,0: 75:[8, 18] Operation: 35-17=18 Exploring Operation: 35-8=27, Resulting Numbers: [17, 27] Generated Node #0,0,1: 75:[17, 27] Operation: 35-8=27 Exploring Operation: 17+8=25, Resulting Numbers: [35, 25] Generated Node #0,0,2: 75:[35, 25] Operation: 17+8=25 Moving to Node #0,2 Current State: 75:[64, 8, 82], Operations: ['99-17=82'] Exploring Operation: 64/8=8, Resulting Numbers: [82, 8] Generated Node #0,2,0: 75:[82, 8] Operation: 64/8=8 Exploring Operation: 64+8=72, Resulting Numbers: [82, 72] Generated Node #0,2,1: 75:[82, 72] Operation: 64+8=72 Exploring Operation: 82-64=18, Resulting Numbers: [8, 18] Generated Node #0,2,2: 75:[8, 18] Operation: 82-64=18 Moving to Node #0,1 Current State: 75:[17, 99, 72], Operations: ['64+8=72'] Exploring Operation: 99-17=82, Resulting Numbers: [72, 82] Generated Node #0,1,0: 75:[72, 82] Operation: 99-17=82 Exploring Operation: 99-72=27, Resulting Numbers: [17, 27] Generated Node #0,1,1: 75:[17, 27] Operation: 99-72=27 Exploring Operation: 17+72=89, Resulting Numbers: [99, 89] Generated Node #0,1,2: 75:[99, 89] Operation: 17+72=89 Moving to Node #0,0,1 Current State: 75:[17, 27], Operations: ['99-64=35', '35-8=27'] Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,75 unequal: No Solution Exploring Operation: 17*27=459, Resulting Numbers: [459] 459,75 unequal: No Solution Exploring Operation: 17+27=44, Resulting Numbers: [44] 44,75 unequal: No Solution Moving to Node #0,1,1 Current State: 75:[17, 27], Operations: ['64+8=72', '99-72=27'] Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,75 unequal: No Solution Exploring Operation: 17*27=459, Resulting Numbers: [459] 459,75 unequal: No Solution Exploring Operation: 17+27=44, Resulting Numbers: [44] 44,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[8, 18], Operations: ['99-64=35', '35-17=18'] Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,75 unequal: No Solution Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,75 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[8, 18], Operations: ['99-17=82', '82-64=18'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,75 unequal: No Solution Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,75 unequal: No Solution Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,75 unequal: No Solution Moving to Node #0,0,2 Current State: 75:[35, 25], Operations: ['99-64=35', '17+8=25'] Exploring Operation: 35*25=875, Resulting Numbers: [875] 875,75 unequal: No Solution Exploring Operation: 35+25=60, Resulting Numbers: [60] 60,75 unequal: No Solution Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[82, 72], Operations: ['99-17=82', '64+8=72'] Exploring Operation: 82*72=5904, Resulting Numbers: [5904] 5904,75 unequal: No Solution Exploring Operation: 82-72=10, Resulting Numbers: [10] 10,75 unequal: No Solution Exploring Operation: 82+72=154, Resulting Numbers: [154] 154,75 unequal: No Solution Moving to Node #0,2,0 Current State: 75:[82, 8], Operations: ['99-17=82', '64/8=8'] Exploring Operation: 82-8=74, Resulting Numbers: [74] 74,75 unequal: No Solution Exploring Operation: 82+8=90, Resulting Numbers: [90] 90,75 unequal: No Solution Exploring Operation: 82*8=656, Resulting Numbers: [656] 656,75 unequal: No Solution Moving to Node #0,1,0 Current State: 75:[72, 82], Operations: ['64+8=72', '99-17=82'] Exploring Operation: 72*82=5904, Resulting Numbers: [5904] 5904,75 unequal: No Solution Exploring Operation: 72+82=154, Resulting Numbers: [154] 154,75 unequal: No Solution Exploring Operation: 82-72=10, Resulting Numbers: [10] 10,75 unequal: No Solution Moving to Node #0,1,2 Current State: 75:[99, 89], Operations: ['64+8=72', '17+72=89'] Exploring Operation: 99-89=10, Resulting Numbers: [10] 10,75 unequal: No Solution Exploring Operation: 99+89=188, Resulting Numbers: [188] 188,75 unequal: No Solution Exploring Operation: 99*89=8811, Resulting Numbers: [8811] 8811,75 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 10, 30, 89, 91 ]
38
[ "10+30=40", "91-89=2", "40-2=38" ]
Current State: 38:[10, 30, 89, 91], Operations: [] Exploring Operation: 10+30=40, Resulting Numbers: [89, 91, 40] Generated Node #2: [89, 91, 40] from Operation: 10+30=40 Current State: 38:[89, 91, 40], Operations: ['10+30=40'] Exploring Operation: 91-89=2, Resulting Numbers: [40, 2] Generated Node #3: [40, 2] from Operation: 91-89=2 Current State: 38:[40, 2], Operations: ['10+30=40', '91-89=2'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[10, 30, 89, 91], Operations: [] Exploring Operation: 89-30=59, Resulting Numbers: [10, 91, 59] Generated Node #0,0: 38:[10, 91, 59] Operation: 89-30=59 Exploring Operation: 91-10=81, Resulting Numbers: [30, 89, 81] Generated Node #0,1: 38:[30, 89, 81] Operation: 91-10=81 Exploring Operation: 91-30=61, Resulting Numbers: [10, 89, 61] Generated Node #0,2: 38:[10, 89, 61] Operation: 91-30=61 Exploring Operation: 91-89=2, Resulting Numbers: [10, 30, 2] Generated Node #0,3: 38:[10, 30, 2] Operation: 91-89=2 Exploring Operation: 89-10=79, Resulting Numbers: [30, 91, 79] Generated Node #0,4: 38:[30, 91, 79] Operation: 89-10=79 Start Sub Search at level 1: Moving to Node #0,3 Current State: 38:[10, 30, 2], Operations: ['91-89=2'] Exploring Operation: 10+30=40, Resulting Numbers: [2, 40] Generated Node #0,3,0: 38:[2, 40] Operation: 10+30=40 Exploring Operation: 30/10=3, Resulting Numbers: [2, 3] Generated Node #0,3,1: 38:[2, 3] Operation: 30/10=3 Exploring Operation: 30-10=20, Resulting Numbers: [2, 20] Generated Node #0,3,2: 38:[2, 20] Operation: 30-10=20 Exploring Operation: 10/2=5, Resulting Numbers: [30, 5] Generated Node #0,3,3: 38:[30, 5] Operation: 10/2=5 Exploring Operation: 10*2=20, Resulting Numbers: [30, 20] Generated Node #0,3,4: 38:[30, 20] Operation: 10*2=20 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 38:[2, 3], Operations: ['91-89=2', '30/10=3'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,38 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,38 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 38:[2, 20], Operations: ['91-89=2', '30-10=20'] Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,38 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,38 unequal: No Solution Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,38 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 38:[2, 40], Operations: ['91-89=2', '10+30=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,38 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[10, 30, 89, 91], Operations: [] Exploring Operation: 91-89=2, Resulting Numbers: [10, 30, 2] Generated Node #0,3: 38:[10, 30, 2] Operation: 91-89=2 Moving to Node #0,3 Current State: 38:[10, 30, 2], Operations: ['91-89=2'] Exploring Operation: 10+30=40, Resulting Numbers: [2, 40] Generated Node #0,3,0: 38:[2, 40] Operation: 10+30=40 Moving to Node #0,3,0 Current State: 38:[2, 40], Operations: ['91-89=2', '10+30=40'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 64, 90, 19, 48 ]
41
[ "90-64=26", "19+48=67", "67-26=41" ]
Current State: 41:[64, 90, 19, 48], Operations: [] Exploring Operation: 90-64=26, Resulting Numbers: [19, 48, 26] Generated Node #2: [19, 48, 26] from Operation: 90-64=26 Current State: 41:[19, 48, 26], Operations: ['90-64=26'] Exploring Operation: 19+48=67, Resulting Numbers: [26, 67] Generated Node #3: [26, 67] from Operation: 19+48=67 Current State: 41:[26, 67], Operations: ['90-64=26', '19+48=67'] Exploring Operation: 67-26=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[64, 90, 19, 48], Operations: [] Exploring Operation: 90-64=26, Resulting Numbers: [19, 48, 26] Generated Node #0,0: 41:[19, 48, 26] Operation: 90-64=26 Exploring Operation: 90-19=71, Resulting Numbers: [64, 48, 71] Generated Node #0,1: 41:[64, 48, 71] Operation: 90-19=71 Exploring Operation: 64-19=45, Resulting Numbers: [90, 48, 45] Generated Node #0,2: 41:[90, 48, 45] Operation: 64-19=45 Exploring Operation: 90-48=42, Resulting Numbers: [64, 19, 42] Generated Node #0,3: 41:[64, 19, 42] Operation: 90-48=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[19, 48, 26], Operations: ['90-64=26'] Exploring Operation: 19+48=67, Resulting Numbers: [26, 67] Generated Node #0,0,0: 41:[26, 67] Operation: 19+48=67 Exploring Operation: 26-19=7, Resulting Numbers: [48, 7] Generated Node #0,0,1: 41:[48, 7] Operation: 26-19=7 Exploring Operation: 19+26=45, Resulting Numbers: [48, 45] Generated Node #0,0,2: 41:[48, 45] Operation: 19+26=45 Exploring Operation: 48-19=29, Resulting Numbers: [26, 29] Generated Node #0,0,3: 41:[26, 29] Operation: 48-19=29 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 41:[48, 45], Operations: ['90-64=26', '19+26=45'] Exploring Operation: 48+45=93, Resulting Numbers: [93] 93,41 unequal: No Solution Exploring Operation: 48-45=3, Resulting Numbers: [3] 3,41 unequal: No Solution Exploring Operation: 48*45=2160, Resulting Numbers: [2160] 2160,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 41:[26, 29], Operations: ['90-64=26', '48-19=29'] Exploring Operation: 26+29=55, Resulting Numbers: [55] 55,41 unequal: No Solution Exploring Operation: 26*29=754, Resulting Numbers: [754] 754,41 unequal: No Solution Exploring Operation: 29-26=3, Resulting Numbers: [3] 3,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 41:[26, 67], Operations: ['90-64=26', '19+48=67'] Exploring Operation: 67-26=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[64, 90, 19, 48], Operations: [] Exploring Operation: 90-64=26, Resulting Numbers: [19, 48, 26] Generated Node #0,0: 41:[19, 48, 26] Operation: 90-64=26 Moving to Node #0,0 Current State: 41:[19, 48, 26], Operations: ['90-64=26'] Exploring Operation: 19+48=67, Resulting Numbers: [26, 67] Generated Node #0,0,0: 41:[26, 67] Operation: 19+48=67 Moving to Node #0,0,0 Current State: 41:[26, 67], Operations: ['90-64=26', '19+48=67'] Exploring Operation: 67-26=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 11, 88, 13, 2 ]
88
[ "11+88=99", "13-2=11", "99-11=88" ]
Current State: 88:[11, 88, 13, 2], Operations: [] Exploring Operation: 11+88=99, Resulting Numbers: [13, 2, 99] Generated Node #2: [13, 2, 99] from Operation: 11+88=99 Current State: 88:[13, 2, 99], Operations: ['11+88=99'] Exploring Operation: 13-2=11, Resulting Numbers: [99, 11] Generated Node #3: [99, 11] from Operation: 13-2=11 Current State: 88:[99, 11], Operations: ['11+88=99', '13-2=11'] Exploring Operation: 99-11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[11, 88, 13, 2], Operations: [] Exploring Operation: 13-2=11, Resulting Numbers: [11, 88, 11] Generated Node #0,0: 88:[11, 88, 11] Operation: 13-2=11 Exploring Operation: 11+13=24, Resulting Numbers: [88, 2, 24] Generated Node #0,1: 88:[88, 2, 24] Operation: 11+13=24 Exploring Operation: 88/11=8, Resulting Numbers: [13, 2, 8] Generated Node #0,2: 88:[13, 2, 8] Operation: 88/11=8 Exploring Operation: 13-11=2, Resulting Numbers: [88, 2, 2] Generated Node #0,3: 88:[88, 2, 2] Operation: 13-11=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[11, 88, 11], Operations: ['13-2=11'] Exploring Operation: 11/11=1, Resulting Numbers: [88, 1] Generated Node #0,0,0: 88:[88, 1] Operation: 11/11=1 Exploring Operation: 11+11=22, Resulting Numbers: [88, 22] Generated Node #0,0,1: 88:[88, 22] Operation: 11+11=22 Exploring Operation: 88/11=8, Resulting Numbers: [11, 8] Generated Node #0,0,2: 88:[11, 8] Operation: 88/11=8 Exploring Operation: 88/11=8, Resulting Numbers: [11, 8] Generated Node #0,0,3: 88:[11, 8] Operation: 88/11=8 Moving to Node #0,0,1 Current State: 88:[88, 22], Operations: ['13-2=11', '11+11=22'] Exploring Operation: 88/22=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 88-22=66, Resulting Numbers: [66] 66,88 unequal: No Solution Exploring Operation: 88+22=110, Resulting Numbers: [110] 110,88 unequal: No Solution Exploring Operation: 88*22=1936, Resulting Numbers: [1936] 1936,88 unequal: No Solution Moving to Node #0,0,3 Current State: 88:[11, 8], Operations: ['13-2=11', '88/11=8'] Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[11, 88, 13, 2], Operations: [] Exploring Operation: 13-2=11, Resulting Numbers: [11, 88, 11] Generated Node #0,0: 88:[11, 88, 11] Operation: 13-2=11 Moving to Node #0,0 Current State: 88:[11, 88, 11], Operations: ['13-2=11'] Exploring Operation: 88/11=8, Resulting Numbers: [11, 8] Generated Node #0,0,3: 88:[11, 8] Operation: 88/11=8 Moving to Node #0,0,3 Current State: 88:[11, 8], Operations: ['13-2=11', '88/11=8'] Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 78, 66, 90, 47 ]
94
[ "66+90=156", "156/78=2", "47*2=94" ]
Current State: 94:[78, 66, 90, 47], Operations: [] Exploring Operation: 66+90=156, Resulting Numbers: [78, 47, 156] Generated Node #2: [78, 47, 156] from Operation: 66+90=156 Current State: 94:[78, 47, 156], Operations: ['66+90=156'] Exploring Operation: 156/78=2, Resulting Numbers: [47, 2] Generated Node #3: [47, 2] from Operation: 156/78=2 Current State: 94:[47, 2], Operations: ['66+90=156', '156/78=2'] Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[78, 66, 90, 47], Operations: [] Exploring Operation: 90-78=12, Resulting Numbers: [66, 47, 12] Generated Node #0,0: 94:[66, 47, 12] Operation: 90-78=12 Exploring Operation: 78-66=12, Resulting Numbers: [90, 47, 12] Generated Node #0,1: 94:[90, 47, 12] Operation: 78-66=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[90, 47, 12], Operations: ['78-66=12'] Exploring Operation: 90-47=43, Resulting Numbers: [12, 43] Generated Node #0,1,0: 94:[12, 43] Operation: 90-47=43 Exploring Operation: 90+12=102, Resulting Numbers: [47, 102] Generated Node #0,1,1: 94:[47, 102] Operation: 90+12=102 Moving to Node #0,1,1 Current State: 94:[47, 102], Operations: ['78-66=12', '90+12=102'] Exploring Operation: 47+102=149, Resulting Numbers: [149] 149,94 unequal: No Solution Exploring Operation: 102-47=55, Resulting Numbers: [55] 55,94 unequal: No Solution Moving to Node #0,1,0 Current State: 94:[12, 43], Operations: ['78-66=12', '90-47=43'] Exploring Operation: 12+43=55, Resulting Numbers: [55] 55,94 unequal: No Solution Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[66, 47, 12], Operations: ['90-78=12'] Exploring Operation: 66+12=78, Resulting Numbers: [47, 78] Generated Node #0,0,0: 94:[47, 78] Operation: 66+12=78 Exploring Operation: 66-12=54, Resulting Numbers: [47, 54] Generated Node #0,0,1: 94:[47, 54] Operation: 66-12=54 Moving to Node #0,0,1 Current State: 94:[47, 54], Operations: ['90-78=12', '66-12=54'] Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,94 unequal: No Solution Exploring Operation: 47+54=101, Resulting Numbers: [101] 101,94 unequal: No Solution Moving to Node #0,0,0 Current State: 94:[47, 78], Operations: ['90-78=12', '66+12=78'] Exploring Operation: 47+78=125, Resulting Numbers: [125] 125,94 unequal: No Solution Exploring Operation: 78-47=31, Resulting Numbers: [31] 31,94 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
[ 29, 11, 38, 29 ]
28
[ "29/29=1", "38-11=27", "1+27=28" ]
Current State: 28:[29, 11, 38, 29], Operations: [] Exploring Operation: 29/29=1, Resulting Numbers: [11, 38, 1] Generated Node #2: [11, 38, 1] from Operation: 29/29=1 Current State: 28:[11, 38, 1], Operations: ['29/29=1'] Exploring Operation: 38-11=27, Resulting Numbers: [1, 27] Generated Node #3: [1, 27] from Operation: 38-11=27 Current State: 28:[1, 27], Operations: ['29/29=1', '38-11=27'] Exploring Operation: 1+27=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[29, 11, 38, 29], Operations: [] Exploring Operation: 38-29=9, Resulting Numbers: [29, 11, 9] Generated Node #0,0: 28:[29, 11, 9] Operation: 38-29=9 Exploring Operation: 38-11=27, Resulting Numbers: [29, 29, 27] Generated Node #0,1: 28:[29, 29, 27] Operation: 38-11=27 Exploring Operation: 38-29=9, Resulting Numbers: [11, 29, 9] Generated Node #0,2: 28:[11, 29, 9] Operation: 38-29=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[29, 29, 27], Operations: ['38-11=27'] Exploring Operation: 29-27=2, Resulting Numbers: [29, 2] Generated Node #0,1,0: 28:[29, 2] Operation: 29-27=2 Exploring Operation: 29-27=2, Resulting Numbers: [29, 2] Generated Node #0,1,1: 28:[29, 2] Operation: 29-27=2 Exploring Operation: 29/29=1, Resulting Numbers: [27, 1] Generated Node #0,1,2: 28:[27, 1] Operation: 29/29=1 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 28:[29, 2], Operations: ['38-11=27', '29-27=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,28 unequal: No Solution Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,28 unequal: No Solution Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,28 unequal: No Solution No 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: 28:[29, 2], Operations: ['38-11=27', '29-27=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,28 unequal: No Solution Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,28 unequal: No Solution Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,28 unequal: No Solution No 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: 28:[27, 1], Operations: ['38-11=27', '29/29=1'] Exploring Operation: 27/1=27, Resulting Numbers: [27] 27,28 unequal: No Solution Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,28 unequal: No Solution Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[29, 11, 38, 29], Operations: [] Exploring Operation: 38-11=27, Resulting Numbers: [29, 29, 27] Generated Node #0,1: 28:[29, 29, 27] Operation: 38-11=27 Moving to Node #0,1 Current State: 28:[29, 29, 27], Operations: ['38-11=27'] Exploring Operation: 29/29=1, Resulting Numbers: [27, 1] Generated Node #0,1,2: 28:[27, 1] Operation: 29/29=1 Moving to Node #0,1,2 Current State: 28:[27, 1], Operations: ['38-11=27', '29/29=1'] Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 2, 15, 64, 63 ]
56
[ "64-15=49", "63+49=112", "112/2=56" ]
Current State: 56:[2, 15, 64, 63], Operations: [] Exploring Operation: 64-15=49, Resulting Numbers: [2, 63, 49] Generated Node #2: [2, 63, 49] from Operation: 64-15=49 Current State: 56:[2, 63, 49], Operations: ['64-15=49'] Exploring Operation: 63+49=112, Resulting Numbers: [2, 112] Generated Node #3: [2, 112] from Operation: 63+49=112 Current State: 56:[2, 112], Operations: ['64-15=49', '63+49=112'] Exploring Operation: 112/2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[2, 15, 64, 63], Operations: [] Exploring Operation: 64-2=62, Resulting Numbers: [15, 63, 62] Generated Node #0,0: 56:[15, 63, 62] Operation: 64-2=62 Exploring Operation: 64-63=1, Resulting Numbers: [2, 15, 1] Generated Node #0,1: 56:[2, 15, 1] Operation: 64-63=1 Exploring Operation: 64/2=32, Resulting Numbers: [15, 63, 32] Generated Node #0,2: 56:[15, 63, 32] Operation: 64/2=32 Moving to Node #0,1 Current State: 56:[2, 15, 1], Operations: ['64-63=1'] Exploring Operation: 2*1=2, Resulting Numbers: [15, 2] Generated Node #0,1,0: 56:[15, 2] Operation: 2*1=2 Exploring Operation: 2/1=2, Resulting Numbers: [15, 2] Generated Node #0,1,1: 56:[15, 2] Operation: 2/1=2 Exploring Operation: 15-1=14, Resulting Numbers: [2, 14] Generated Node #0,1,2: 56:[2, 14] Operation: 15-1=14 Moving to Node #0,2 Current State: 56:[15, 63, 32], Operations: ['64/2=32'] Exploring Operation: 63-32=31, Resulting Numbers: [15, 31] Generated Node #0,2,0: 56:[15, 31] Operation: 63-32=31 Exploring Operation: 63-15=48, Resulting Numbers: [32, 48] Generated Node #0,2,1: 56:[32, 48] Operation: 63-15=48 Exploring Operation: 32-15=17, Resulting Numbers: [63, 17] Generated Node #0,2,2: 56:[63, 17] Operation: 32-15=17 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 56:[15, 31], Operations: ['64/2=32', '63-32=31'] Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,56 unequal: No Solution Exploring Operation: 15+31=46, Resulting Numbers: [46] 46,56 unequal: No Solution Exploring Operation: 15*31=465, Resulting Numbers: [465] 465,56 unequal: No Solution No 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: 56:[63, 17], Operations: ['64/2=32', '32-15=17'] Exploring Operation: 63-17=46, Resulting Numbers: [46] 46,56 unequal: No Solution Exploring Operation: 63+17=80, Resulting Numbers: [80] 80,56 unequal: No Solution Exploring Operation: 63*17=1071, Resulting Numbers: [1071] 1071,56 unequal: No Solution No 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: 56:[32, 48], Operations: ['64/2=32', '63-15=48'] Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,56 unequal: No Solution Exploring Operation: 32*48=1536, Resulting Numbers: [1536] 1536,56 unequal: No Solution Exploring Operation: 32+48=80, Resulting Numbers: [80] 80,56 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: 56:[15, 63, 62], Operations: ['64-2=62'] Exploring Operation: 63-15=48, Resulting Numbers: [62, 48] Generated Node #0,0,0: 56:[62, 48] Operation: 63-15=48 Exploring Operation: 62-15=47, Resulting Numbers: [63, 47] Generated Node #0,0,1: 56:[63, 47] Operation: 62-15=47 Exploring Operation: 63-62=1, Resulting Numbers: [15, 1] Generated Node #0,0,2: 56:[15, 1] Operation: 63-62=1 Moving to Node #0,1,2 Current State: 56:[2, 14], Operations: ['64-63=1', '15-1=14'] Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,56 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,56 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,56 unequal: No Solution Moving to Node #0,1,1 Current State: 56:[15, 2], Operations: ['64-63=1', '2/1=2'] Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,56 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,56 unequal: No Solution Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,56 unequal: No Solution Moving to Node #0,1,0 Current State: 56:[15, 2], Operations: ['64-63=1', '2*1=2'] Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,56 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,56 unequal: No Solution Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,56 unequal: No Solution Moving to Node #0,0,2 Current State: 56:[15, 1], Operations: ['64-2=62', '63-62=1'] Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,56 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,56 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[62, 48], Operations: ['64-2=62', '63-15=48'] Exploring Operation: 62+48=110, Resulting Numbers: [110] 110,56 unequal: No Solution Exploring Operation: 62*48=2976, Resulting Numbers: [2976] 2976,56 unequal: No Solution Exploring Operation: 62-48=14, Resulting Numbers: [14] 14,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[63, 47], Operations: ['64-2=62', '62-15=47'] Exploring Operation: 63+47=110, Resulting Numbers: [110] 110,56 unequal: No Solution Exploring Operation: 63-47=16, Resulting Numbers: [16] 16,56 unequal: No Solution Exploring Operation: 63*47=2961, Resulting Numbers: [2961] 2961,56 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 5, 83, 77, 27 ]
99
[ "83+27=110", "110/5=22", "77+22=99" ]
Current State: 99:[5, 83, 77, 27], Operations: [] Exploring Operation: 83+27=110, Resulting Numbers: [5, 77, 110] Generated Node #2: [5, 77, 110] from Operation: 83+27=110 Current State: 99:[5, 77, 110], Operations: ['83+27=110'] Exploring Operation: 110/5=22, Resulting Numbers: [77, 22] Generated Node #3: [77, 22] from Operation: 110/5=22 Current State: 99:[77, 22], Operations: ['83+27=110', '110/5=22'] Exploring Operation: 77+22=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[5, 83, 77, 27], Operations: [] Exploring Operation: 83+27=110, Resulting Numbers: [5, 77, 110] Generated Node #0,0: 99:[5, 77, 110] Operation: 83+27=110 Exploring Operation: 77+27=104, Resulting Numbers: [5, 83, 104] Generated Node #0,1: 99:[5, 83, 104] Operation: 77+27=104 Exploring Operation: 83-77=6, Resulting Numbers: [5, 27, 6] Generated Node #0,2: 99:[5, 27, 6] Operation: 83-77=6 Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[5, 27, 6], Operations: ['83-77=6'] Exploring Operation: 27+6=33, Resulting Numbers: [5, 33] Generated Node #0,2,0: 99:[5, 33] Operation: 27+6=33 Exploring Operation: 5+6=11, Resulting Numbers: [27, 11] Generated Node #0,2,1: 99:[27, 11] Operation: 5+6=11 Exploring Operation: 5+27=32, Resulting Numbers: [6, 32] Generated Node #0,2,2: 99:[6, 32] Operation: 5+27=32 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 99:[5, 33], Operations: ['83-77=6', '27+6=33'] Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,99 unequal: No Solution Exploring Operation: 5*33=165, Resulting Numbers: [165] 165,99 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,99 unequal: No Solution No 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: 99:[6, 32], Operations: ['83-77=6', '5+27=32'] Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,99 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,99 unequal: No Solution Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,99 unequal: No Solution No 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: 99:[27, 11], Operations: ['83-77=6', '5+6=11'] Exploring Operation: 27+11=38, Resulting Numbers: [38] 38,99 unequal: No Solution Exploring Operation: 27*11=297, Resulting Numbers: [297] 297,99 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,99 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: 99:[5, 83, 104], Operations: ['77+27=104'] Exploring Operation: 104-5=99, Resulting Numbers: [83, 99] Generated Node #0,1,0: 99:[83, 99] Operation: 104-5=99 Exploring Operation: 5+83=88, Resulting Numbers: [104, 88] Generated Node #0,1,1: 99:[104, 88] Operation: 5+83=88 Exploring Operation: 104-83=21, Resulting Numbers: [5, 21] Generated Node #0,1,2: 99:[5, 21] Operation: 104-83=21 Moving to Node #0,1,2 Current State: 99:[5, 21], Operations: ['77+27=104', '104-83=21'] Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,99 unequal: No Solution Exploring Operation: 5*21=105, Resulting Numbers: [105] 105,99 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,99 unequal: No Solution Moving to Node #0,1,0 Current State: 99:[83, 99], Operations: ['77+27=104', '104-5=99'] Exploring Operation: 83+99=182, Resulting Numbers: [182] 182,99 unequal: No Solution Exploring Operation: 83*99=8217, Resulting Numbers: [8217] 8217,99 unequal: No Solution Exploring Operation: 99-83=16, Resulting Numbers: [16] 16,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[104, 88], Operations: ['77+27=104', '5+83=88'] Exploring Operation: 104+88=192, Resulting Numbers: [192] 192,99 unequal: No Solution Exploring Operation: 104*88=9152, Resulting Numbers: [9152] 9152,99 unequal: No Solution Exploring Operation: 104-88=16, Resulting Numbers: [16] 16,99 unequal: No Solution No 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: 99:[5, 77, 110], Operations: ['83+27=110'] Exploring Operation: 110-77=33, Resulting Numbers: [5, 33] Generated Node #0,0,0: 99:[5, 33] Operation: 110-77=33 Exploring Operation: 5+77=82, Resulting Numbers: [110, 82] Generated Node #0,0,1: 99:[110, 82] Operation: 5+77=82 Exploring Operation: 110-5=105, Resulting Numbers: [77, 105] Generated Node #0,0,2: 99:[77, 105] Operation: 110-5=105 Moving to Node #0,0,0 Current State: 99:[5, 33], Operations: ['83+27=110', '110-77=33'] Exploring Operation: 5*33=165, Resulting Numbers: [165] 165,99 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,99 unequal: No Solution Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[110, 82], Operations: ['83+27=110', '5+77=82'] Exploring Operation: 110*82=9020, Resulting Numbers: [9020] 9020,99 unequal: No Solution Exploring Operation: 110+82=192, Resulting Numbers: [192] 192,99 unequal: No Solution Exploring Operation: 110-82=28, Resulting Numbers: [28] 28,99 unequal: No Solution Moving to Node #0,0,2 Current State: 99:[77, 105], Operations: ['83+27=110', '110-5=105'] Exploring Operation: 105-77=28, Resulting Numbers: [28] 28,99 unequal: No Solution Exploring Operation: 77+105=182, Resulting Numbers: [182] 182,99 unequal: No Solution Exploring Operation: 77*105=8085, Resulting Numbers: [8085] 8085,99 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
[ 92, 93, 1, 46 ]
47
[ "93-92=1", "1+46=47", "1*47=47" ]
Current State: 47:[92, 93, 1, 46], Operations: [] Exploring Operation: 93-92=1, Resulting Numbers: [1, 46, 1] Generated Node #2: [1, 46, 1] from Operation: 93-92=1 Current State: 47:[1, 46, 1], Operations: ['93-92=1'] Exploring Operation: 1+46=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exploring Operation: 1*47=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[92, 93, 1, 46], Operations: [] Exploring Operation: 1+46=47, Resulting Numbers: [92, 93, 47] Generated Node #0,0: 47:[92, 93, 47] Operation: 1+46=47 Exploring Operation: 92*1=92, Resulting Numbers: [93, 46, 92] Generated Node #0,1: 47:[93, 46, 92] Operation: 92*1=92 Exploring Operation: 93-1=92, Resulting Numbers: [92, 46, 92] Generated Node #0,2: 47:[92, 46, 92] Operation: 93-1=92 Exploring Operation: 92-1=91, Resulting Numbers: [93, 46, 91] Generated Node #0,3: 47:[93, 46, 91] Operation: 92-1=91 Exploring Operation: 93-46=47, Resulting Numbers: [92, 1, 47] Generated Node #0,4: 47:[92, 1, 47] Operation: 93-46=47 Moving to Node #0,0 Current State: 47:[92, 93, 47], Operations: ['1+46=47'] Exploring Operation: 93-47=46, Resulting Numbers: [92, 46] Generated Node #0,0,0: 47:[92, 46] Operation: 93-47=46 Exploring Operation: 92+47=139, Resulting Numbers: [93, 139] Generated Node #0,0,1: 47:[93, 139] Operation: 92+47=139 Exploring Operation: 93-92=1, Resulting Numbers: [47, 1] Generated Node #0,0,2: 47:[47, 1] Operation: 93-92=1 Exploring Operation: 92-47=45, Resulting Numbers: [93, 45] Generated Node #0,0,3: 47:[93, 45] Operation: 92-47=45 Exploring Operation: 92+93=185, Resulting Numbers: [47, 185] Generated Node #0,0,4: 47:[47, 185] Operation: 92+93=185 Moving to Node #0,3 Current State: 47:[93, 46, 91], Operations: ['92-1=91'] Exploring Operation: 46+91=137, Resulting Numbers: [93, 137] Generated Node #0,3,0: 47:[93, 137] Operation: 46+91=137 Exploring Operation: 93-46=47, Resulting Numbers: [91, 47] Generated Node #0,3,1: 47:[91, 47] Operation: 93-46=47 Exploring Operation: 93+46=139, Resulting Numbers: [91, 139] Generated Node #0,3,2: 47:[91, 139] Operation: 93+46=139 Exploring Operation: 93-91=2, Resulting Numbers: [46, 2] Generated Node #0,3,3: 47:[46, 2] Operation: 93-91=2 Exploring Operation: 91-46=45, Resulting Numbers: [93, 45] Generated Node #0,3,4: 47:[93, 45] Operation: 91-46=45 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 47:[91, 47], Operations: ['92-1=91', '93-46=47'] Exploring Operation: 91+47=138, Resulting Numbers: [138] 138,47 unequal: No Solution Exploring Operation: 91-47=44, Resulting Numbers: [44] 44,47 unequal: No Solution Exploring Operation: 91*47=4277, Resulting Numbers: [4277] 4277,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 47:[46, 2], Operations: ['92-1=91', '93-91=2'] Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,47 unequal: No Solution Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,47 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,47 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 47:[93, 45], Operations: ['92-1=91', '91-46=45'] Exploring Operation: 93-45=48, Resulting Numbers: [48] 48,47 unequal: No Solution Exploring Operation: 93+45=138, Resulting Numbers: [138] 138,47 unequal: No Solution Exploring Operation: 93*45=4185, Resulting Numbers: [4185] 4185,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 47:[93, 137], Operations: ['92-1=91', '46+91=137'] Exploring Operation: 137-93=44, Resulting Numbers: [44] 44,47 unequal: No Solution Exploring Operation: 93+137=230, Resulting Numbers: [230] 230,47 unequal: No Solution Exploring Operation: 93*137=12741, Resulting Numbers: [12741] 12741,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 47:[91, 139], Operations: ['92-1=91', '93+46=139'] Exploring Operation: 91+139=230, Resulting Numbers: [230] 230,47 unequal: No Solution Exploring Operation: 139-91=48, Resulting Numbers: [48] 48,47 unequal: No Solution Exploring Operation: 91*139=12649, Resulting Numbers: [12649] 12649,47 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: 47:[92, 46, 92], Operations: ['93-1=92'] Exploring Operation: 92-46=46, Resulting Numbers: [92, 46] Generated Node #0,2,0: 47:[92, 46] Operation: 92-46=46 Exploring Operation: 92/92=1, Resulting Numbers: [46, 1] Generated Node #0,2,1: 47:[46, 1] Operation: 92/92=1 Exploring Operation: 92-92=0, Resulting Numbers: [46, 0] Generated Node #0,2,2: 47:[46, 0] Operation: 92-92=0 Exploring Operation: 92-46=46, Resulting Numbers: [92, 46] Generated Node #0,2,3: 47:[92, 46] Operation: 92-46=46 Exploring Operation: 92/46=2, Resulting Numbers: [92, 2] Generated Node #0,2,4: 47:[92, 2] Operation: 92/46=2 Moving to Node #0,4 Current State: 47:[92, 1, 47], Operations: ['93-46=47'] Exploring Operation: 92*1=92, Resulting Numbers: [47, 92] Generated Node #0,4,0: 47:[47, 92] Operation: 92*1=92 Exploring Operation: 47/1=47, Resulting Numbers: [92, 47] Generated Node #0,4,1: 47:[92, 47] Operation: 47/1=47 Exploring Operation: 92/1=92, Resulting Numbers: [47, 92] Generated Node #0,4,2: 47:[47, 92] Operation: 92/1=92 Exploring Operation: 1*47=47, Resulting Numbers: [92, 47] Generated Node #0,4,3: 47:[92, 47] Operation: 1*47=47 Exploring Operation: 92-1=91, Resulting Numbers: [47, 91] Generated Node #0,4,4: 47:[47, 91] Operation: 92-1=91 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 47:[47, 91], Operations: ['93-46=47', '92-1=91'] Exploring Operation: 91-47=44, Resulting Numbers: [44] 44,47 unequal: No Solution Exploring Operation: 47+91=138, Resulting Numbers: [138] 138,47 unequal: No Solution Exploring Operation: 47*91=4277, Resulting Numbers: [4277] 4277,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 47:[47, 92], Operations: ['93-46=47', '92*1=92'] Exploring Operation: 47*92=4324, Resulting Numbers: [4324] 4324,47 unequal: No Solution Exploring Operation: 92-47=45, Resulting Numbers: [45] 45,47 unequal: No Solution Exploring Operation: 47+92=139, Resulting Numbers: [139] 139,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 47:[92, 47], Operations: ['93-46=47', '47/1=47'] Exploring Operation: 92-47=45, Resulting Numbers: [45] 45,47 unequal: No Solution Exploring Operation: 92+47=139, Resulting Numbers: [139] 139,47 unequal: No Solution Exploring Operation: 92*47=4324, Resulting Numbers: [4324] 4324,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 47:[47, 92], Operations: ['93-46=47', '92/1=92'] Exploring Operation: 92-47=45, Resulting Numbers: [45] 45,47 unequal: No Solution Exploring Operation: 47+92=139, Resulting Numbers: [139] 139,47 unequal: No Solution Exploring Operation: 47*92=4324, Resulting Numbers: [4324] 4324,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 47:[92, 47], Operations: ['93-46=47', '1*47=47'] Exploring Operation: 92*47=4324, Resulting Numbers: [4324] 4324,47 unequal: No Solution Exploring Operation: 92-47=45, Resulting Numbers: [45] 45,47 unequal: No Solution Exploring Operation: 92+47=139, Resulting Numbers: [139] 139,47 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: 47:[93, 46, 92], Operations: ['92*1=92'] Exploring Operation: 93-92=1, Resulting Numbers: [46, 1] Generated Node #0,1,0: 47:[46, 1] Operation: 93-92=1 Exploring Operation: 93+46=139, Resulting Numbers: [92, 139] Generated Node #0,1,1: 47:[92, 139] Operation: 93+46=139 Exploring Operation: 92/46=2, Resulting Numbers: [93, 2] Generated Node #0,1,2: 47:[93, 2] Operation: 92/46=2 Exploring Operation: 92-46=46, Resulting Numbers: [93, 46] Generated Node #0,1,3: 47:[93, 46] Operation: 92-46=46 Exploring Operation: 93-46=47, Resulting Numbers: [92, 47] Generated Node #0,1,4: 47:[92, 47] Operation: 93-46=47 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 47:[92, 47], Operations: ['92*1=92', '93-46=47'] Exploring Operation: 92*47=4324, Resulting Numbers: [4324] 4324,47 unequal: No Solution Exploring Operation: 92+47=139, Resulting Numbers: [139] 139,47 unequal: No Solution Exploring Operation: 92-47=45, Resulting Numbers: [45] 45,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 47:[46, 1], Operations: ['92*1=92', '93-92=1'] Exploring Operation: 46+1=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[92, 93, 1, 46], Operations: [] Exploring Operation: 92*1=92, Resulting Numbers: [93, 46, 92] Generated Node #0,1: 47:[93, 46, 92] Operation: 92*1=92 Moving to Node #0,1 Current State: 47:[93, 46, 92], Operations: ['92*1=92'] Exploring Operation: 93-92=1, Resulting Numbers: [46, 1] Generated Node #0,1,0: 47:[46, 1] Operation: 93-92=1 Moving to Node #0,1,0 Current State: 47:[46, 1], Operations: ['92*1=92', '93-92=1'] Exploring Operation: 46+1=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.940104
hs_5
mult_heuristic
[ 88, 47, 94, 18 ]
53
[ "88+18=106", "94/47=2", "106/2=53" ]
Current State: 53:[88, 47, 94, 18], Operations: [] Exploring Operation: 88+18=106, Resulting Numbers: [47, 94, 106] Generated Node #2: [47, 94, 106] from Operation: 88+18=106 Current State: 53:[47, 94, 106], Operations: ['88+18=106'] Exploring Operation: 94/47=2, Resulting Numbers: [106, 2] Generated Node #3: [106, 2] from Operation: 94/47=2 Current State: 53:[106, 2], Operations: ['88+18=106', '94/47=2'] Exploring Operation: 106/2=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[88, 47, 94, 18], Operations: [] Exploring Operation: 88-18=70, Resulting Numbers: [47, 94, 70] Generated Node #0,0: 53:[47, 94, 70] Operation: 88-18=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[47, 94, 70], Operations: ['88-18=70'] Exploring Operation: 94-47=47, Resulting Numbers: [70, 47] Generated Node #0,0,0: 53:[70, 47] Operation: 94-47=47 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[70, 47], Operations: ['88-18=70', '94-47=47'] Exploring Operation: 70-47=23, Resulting Numbers: [23] 23,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 69, 63, 27, 64 ]
98
[ "69-63=6", "27*6=162", "162-64=98" ]
Current State: 98:[69, 63, 27, 64], Operations: [] Exploring Operation: 69-63=6, Resulting Numbers: [27, 64, 6] Generated Node #2: [27, 64, 6] from Operation: 69-63=6 Current State: 98:[27, 64, 6], Operations: ['69-63=6'] Exploring Operation: 27*6=162, Resulting Numbers: [64, 162] Generated Node #3: [64, 162] from Operation: 27*6=162 Current State: 98:[64, 162], Operations: ['69-63=6', '27*6=162'] Exploring Operation: 162-64=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[69, 63, 27, 64], Operations: [] Exploring Operation: 69-63=6, Resulting Numbers: [27, 64, 6] Generated Node #0,0: 98:[27, 64, 6] Operation: 69-63=6 Exploring Operation: 69-64=5, Resulting Numbers: [63, 27, 5] Generated Node #0,1: 98:[63, 27, 5] Operation: 69-64=5 Exploring Operation: 69-27=42, Resulting Numbers: [63, 64, 42] Generated Node #0,2: 98:[63, 64, 42] Operation: 69-27=42 Exploring Operation: 64-63=1, Resulting Numbers: [69, 27, 1] Generated Node #0,3: 98:[69, 27, 1] Operation: 64-63=1 Exploring Operation: 69+27=96, Resulting Numbers: [63, 64, 96] Generated Node #0,4: 98:[63, 64, 96] Operation: 69+27=96 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[27, 64, 6], Operations: ['69-63=6'] Exploring Operation: 27-6=21, Resulting Numbers: [64, 21] Generated Node #0,0,0: 98:[64, 21] Operation: 27-6=21 Exploring Operation: 27+64=91, Resulting Numbers: [6, 91] Generated Node #0,0,1: 98:[6, 91] Operation: 27+64=91 Exploring Operation: 27+6=33, Resulting Numbers: [64, 33] Generated Node #0,0,2: 98:[64, 33] Operation: 27+6=33 Exploring Operation: 64-27=37, Resulting Numbers: [6, 37] Generated Node #0,0,3: 98:[6, 37] Operation: 64-27=37 Exploring Operation: 64-6=58, Resulting Numbers: [27, 58] Generated Node #0,0,4: 98:[27, 58] Operation: 64-6=58 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 98:[6, 91], Operations: ['69-63=6', '27+64=91'] Exploring Operation: 6+91=97, Resulting Numbers: [97] 97,98 unequal: No Solution Exploring Operation: 91-6=85, Resulting Numbers: [85] 85,98 unequal: No Solution Exploring Operation: 6*91=546, Resulting Numbers: [546] 546,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 98:[6, 37], Operations: ['69-63=6', '64-27=37'] Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,98 unequal: No Solution Exploring Operation: 6*37=222, Resulting Numbers: [222] 222,98 unequal: No Solution Exploring Operation: 6+37=43, Resulting Numbers: [43] 43,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[64, 21], Operations: ['69-63=6', '27-6=21'] Exploring Operation: 64+21=85, Resulting Numbers: [85] 85,98 unequal: No Solution Exploring Operation: 64-21=43, Resulting Numbers: [43] 43,98 unequal: No Solution Exploring Operation: 64*21=1344, Resulting Numbers: [1344] 1344,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 98:[27, 58], Operations: ['69-63=6', '64-6=58'] Exploring Operation: 27*58=1566, Resulting Numbers: [1566] 1566,98 unequal: No Solution Exploring Operation: 27+58=85, Resulting Numbers: [85] 85,98 unequal: No Solution Exploring Operation: 58-27=31, Resulting Numbers: [31] 31,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 98:[64, 33], Operations: ['69-63=6', '27+6=33'] Exploring Operation: 64*33=2112, Resulting Numbers: [2112] 2112,98 unequal: No Solution Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,98 unequal: No Solution Exploring Operation: 64-33=31, Resulting Numbers: [31] 31,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[63, 27, 5], Operations: ['69-64=5'] Exploring Operation: 63-5=58, Resulting Numbers: [27, 58] Generated Node #0,1,0: 98:[27, 58] Operation: 63-5=58 Exploring Operation: 63-27=36, Resulting Numbers: [5, 36] Generated Node #0,1,1: 98:[5, 36] Operation: 63-27=36 Exploring Operation: 27-5=22, Resulting Numbers: [63, 22] Generated Node #0,1,2: 98:[63, 22] Operation: 27-5=22 Exploring Operation: 63+27=90, Resulting Numbers: [5, 90] Generated Node #0,1,3: 98:[5, 90] Operation: 63+27=90 Exploring Operation: 27+5=32, Resulting Numbers: [63, 32] Generated Node #0,1,4: 98:[63, 32] Operation: 27+5=32 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 98:[5, 90], Operations: ['69-64=5', '63+27=90'] Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,98 unequal: No Solution Exploring Operation: 5+90=95, Resulting Numbers: [95] 95,98 unequal: No Solution Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,98 unequal: No Solution Exploring Operation: 5*90=450, Resulting Numbers: [450] 450,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[5, 36], Operations: ['69-64=5', '63-27=36'] Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,98 unequal: No Solution Exploring Operation: 5*36=180, Resulting Numbers: [180] 180,98 unequal: No Solution Exploring Operation: 5+36=41, Resulting Numbers: [41] 41,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[27, 58], Operations: ['69-64=5', '63-5=58'] Exploring Operation: 27*58=1566, Resulting Numbers: [1566] 1566,98 unequal: No Solution Exploring Operation: 58-27=31, Resulting Numbers: [31] 31,98 unequal: No Solution Exploring Operation: 27+58=85, Resulting Numbers: [85] 85,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[63, 22], Operations: ['69-64=5', '27-5=22'] Exploring Operation: 63*22=1386, Resulting Numbers: [1386] 1386,98 unequal: No Solution Exploring Operation: 63-22=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 63+22=85, Resulting Numbers: [85] 85,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 98:[63, 32], Operations: ['69-64=5', '27+5=32'] Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,98 unequal: No Solution Exploring Operation: 63+32=95, Resulting Numbers: [95] 95,98 unequal: No Solution Exploring Operation: 63*32=2016, Resulting Numbers: [2016] 2016,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 98:[63, 64, 96], Operations: ['69+27=96'] Exploring Operation: 96-63=33, Resulting Numbers: [64, 33] Generated Node #0,4,0: 98:[64, 33] Operation: 96-63=33 Exploring Operation: 63+64=127, Resulting Numbers: [96, 127] Generated Node #0,4,1: 98:[96, 127] Operation: 63+64=127 Exploring Operation: 96-64=32, Resulting Numbers: [63, 32] Generated Node #0,4,2: 98:[63, 32] Operation: 96-64=32 Exploring Operation: 64-63=1, Resulting Numbers: [96, 1] Generated Node #0,4,3: 98:[96, 1] Operation: 64-63=1 Exploring Operation: 63+96=159, Resulting Numbers: [64, 159] Generated Node #0,4,4: 98:[64, 159] Operation: 63+96=159 Moving to Node #0,4,3 Current State: 98:[96, 1], Operations: ['69+27=96', '64-63=1'] Exploring Operation: 96+1=97, Resulting Numbers: [97] 97,98 unequal: No Solution Exploring Operation: 96*1=96, Resulting Numbers: [96] 96,98 unequal: No Solution Exploring Operation: 96/1=96, Resulting Numbers: [96] 96,98 unequal: No Solution Exploring Operation: 96-1=95, Resulting Numbers: [95] 95,98 unequal: No Solution Moving to Node #0,4,1 Current State: 98:[96, 127], Operations: ['69+27=96', '63+64=127'] Exploring Operation: 127-96=31, Resulting Numbers: [31] 31,98 unequal: No Solution Exploring Operation: 96*127=12192, Resulting Numbers: [12192] 12192,98 unequal: No Solution Exploring Operation: 96+127=223, Resulting Numbers: [223] 223,98 unequal: No Solution Moving to Node #0,4,0 Current State: 98:[64, 33], Operations: ['69+27=96', '96-63=33'] Exploring Operation: 64-33=31, Resulting Numbers: [31] 31,98 unequal: No Solution Exploring Operation: 64*33=2112, Resulting Numbers: [2112] 2112,98 unequal: No Solution Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,98 unequal: No Solution Moving to Node #0,4,2 Current State: 98:[63, 32], Operations: ['69+27=96', '96-64=32'] Exploring Operation: 63*32=2016, Resulting Numbers: [2016] 2016,98 unequal: No Solution Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,98 unequal: No Solution Exploring Operation: 63+32=95, Resulting Numbers: [95] 95,98 unequal: No Solution Moving to Node #0,4,4 Current State: 98:[64, 159], Operations: ['69+27=96', '63+96=159'] Exploring Operation: 159-64=95, Resulting Numbers: [95] 95,98 unequal: No Solution Exploring Operation: 64+159=223, Resulting Numbers: [223] 223,98 unequal: No Solution Exploring Operation: 64*159=10176, Resulting Numbers: [10176] 10176,98 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 #0,3 Current State: 98:[69, 27, 1], Operations: ['64-63=1'] Exploring Operation: 69+27=96, Resulting Numbers: [1, 96] Generated Node #0,3,0: 98:[1, 96] Operation: 69+27=96 Exploring Operation: 69-27=42, Resulting Numbers: [1, 42] Generated Node #0,3,1: 98:[1, 42] Operation: 69-27=42 Exploring Operation: 69*1=69, Resulting Numbers: [27, 69] Generated Node #0,3,2: 98:[27, 69] Operation: 69*1=69 Exploring Operation: 27-1=26, Resulting Numbers: [69, 26] Generated Node #0,3,3: 98:[69, 26] Operation: 27-1=26 Exploring Operation: 69-1=68, Resulting Numbers: [27, 68] Generated Node #0,3,4: 98:[27, 68] Operation: 69-1=68 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 98:[1, 96], Operations: ['64-63=1', '69+27=96'] Exploring Operation: 96/1=96, Resulting Numbers: [96] 96,98 unequal: No Solution Exploring Operation: 1+96=97, Resulting Numbers: [97] 97,98 unequal: No Solution Exploring Operation: 96-1=95, Resulting Numbers: [95] 95,98 unequal: No Solution Exploring Operation: 1*96=96, Resulting Numbers: [96] 96,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 98:[1, 42], Operations: ['64-63=1', '69-27=42'] Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,98 unequal: No Solution Exploring Operation: 1*42=42, Resulting Numbers: [42] 42,98 unequal: No Solution Exploring Operation: 1+42=43, Resulting Numbers: [43] 43,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 98:[69, 26], Operations: ['64-63=1', '27-1=26'] Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,98 unequal: No Solution Exploring Operation: 69*26=1794, Resulting Numbers: [1794] 1794,98 unequal: No Solution Exploring Operation: 69+26=95, Resulting Numbers: [95] 95,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 98:[27, 68], Operations: ['64-63=1', '69-1=68'] Exploring Operation: 27*68=1836, Resulting Numbers: [1836] 1836,98 unequal: No Solution Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 27+68=95, Resulting Numbers: [95] 95,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 98:[27, 69], Operations: ['64-63=1', '69*1=69'] Exploring Operation: 69-27=42, Resulting Numbers: [42] 42,98 unequal: No Solution Exploring Operation: 27+69=96, Resulting Numbers: [96] 96,98 unequal: No Solution Exploring Operation: 27*69=1863, Resulting Numbers: [1863] 1863,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[63, 64, 42], Operations: ['69-27=42'] Exploring Operation: 63-42=21, Resulting Numbers: [64, 21] Generated Node #0,2,0: 98:[64, 21] Operation: 63-42=21 Exploring Operation: 64+42=106, Resulting Numbers: [63, 106] Generated Node #0,2,1: 98:[63, 106] Operation: 64+42=106 Exploring Operation: 63+42=105, Resulting Numbers: [64, 105] Generated Node #0,2,2: 98:[64, 105] Operation: 63+42=105 Exploring Operation: 64-63=1, Resulting Numbers: [42, 1] Generated Node #0,2,3: 98:[42, 1] Operation: 64-63=1 Exploring Operation: 64-42=22, Resulting Numbers: [63, 22] Generated Node #0,2,4: 98:[63, 22] Operation: 64-42=22 Moving to Node #0,2,3 Current State: 98:[42, 1], Operations: ['69-27=42', '64-63=1'] Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 42+1=43, Resulting Numbers: [43] 43,98 unequal: No Solution Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,98 unequal: No Solution Exploring Operation: 42*1=42, Resulting Numbers: [42] 42,98 unequal: No Solution Moving to Node #0,2,1 Current State: 98:[63, 106], Operations: ['69-27=42', '64+42=106'] Exploring Operation: 106-63=43, Resulting Numbers: [43] 43,98 unequal: No Solution Exploring Operation: 63*106=6678, Resulting Numbers: [6678] 6678,98 unequal: No Solution Exploring Operation: 63+106=169, Resulting Numbers: [169] 169,98 unequal: No Solution Moving to Node #0,2,4 Current State: 98:[63, 22], Operations: ['69-27=42', '64-42=22'] Exploring Operation: 63+22=85, Resulting Numbers: [85] 85,98 unequal: No Solution Exploring Operation: 63-22=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 63*22=1386, Resulting Numbers: [1386] 1386,98 unequal: No Solution Moving to Node #0,2,0 Current State: 98:[64, 21], Operations: ['69-27=42', '63-42=21'] Exploring Operation: 64-21=43, Resulting Numbers: [43] 43,98 unequal: No Solution Exploring Operation: 64+21=85, Resulting Numbers: [85] 85,98 unequal: No Solution Exploring Operation: 64*21=1344, Resulting Numbers: [1344] 1344,98 unequal: No Solution Moving to Node #0,2,2 Current State: 98:[64, 105], Operations: ['69-27=42', '63+42=105'] Exploring Operation: 64*105=6720, Resulting Numbers: [6720] 6720,98 unequal: No Solution Exploring Operation: 105-64=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 64+105=169, Resulting Numbers: [169] 169,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 88, 92, 48, 44 ]
70
[ "88/44=2", "92+48=140", "140/2=70" ]
Current State: 70:[88, 92, 48, 44], Operations: [] Exploring Operation: 88/44=2, Resulting Numbers: [92, 48, 2] Generated Node #2: [92, 48, 2] from Operation: 88/44=2 Current State: 70:[92, 48, 2], Operations: ['88/44=2'] Exploring Operation: 92+48=140, Resulting Numbers: [2, 140] Generated Node #3: [2, 140] from Operation: 92+48=140 Current State: 70:[2, 140], Operations: ['88/44=2', '92+48=140'] Exploring Operation: 140/2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[88, 92, 48, 44], Operations: [] Exploring Operation: 88/44=2, Resulting Numbers: [92, 48, 2] Generated Node #0,0: 70:[92, 48, 2] Operation: 88/44=2 Exploring Operation: 88-48=40, Resulting Numbers: [92, 44, 40] Generated Node #0,1: 70:[92, 44, 40] Operation: 88-48=40 Exploring Operation: 92-88=4, Resulting Numbers: [48, 44, 4] Generated Node #0,2: 70:[48, 44, 4] Operation: 92-88=4 Start Sub Search at level 1: Moving to Node #0,2 Current State: 70:[48, 44, 4], Operations: ['92-88=4'] Exploring Operation: 48/4=12, Resulting Numbers: [44, 12] Generated Node #0,2,0: 70:[44, 12] Operation: 48/4=12 Exploring Operation: 48-44=4, Resulting Numbers: [4, 4] Generated Node #0,2,1: 70:[4, 4] Operation: 48-44=4 Exploring Operation: 44/4=11, Resulting Numbers: [48, 11] Generated Node #0,2,2: 70:[48, 11] Operation: 44/4=11 Moving to Node #0,2,1 Current State: 70:[4, 4], Operations: ['92-88=4', '48-44=4'] Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,70 unequal: No Solution Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,70 unequal: No Solution Moving to Node #0,2,0 Current State: 70:[44, 12], Operations: ['92-88=4', '48/4=12'] Exploring Operation: 44+12=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 44*12=528, Resulting Numbers: [528] 528,70 unequal: No Solution Exploring Operation: 44-12=32, Resulting Numbers: [32] 32,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[48, 11], Operations: ['92-88=4', '44/4=11'] Exploring Operation: 48*11=528, Resulting Numbers: [528] 528,70 unequal: No Solution Exploring Operation: 48+11=59, Resulting Numbers: [59] 59,70 unequal: No Solution Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[92, 48, 2], Operations: ['88/44=2'] Exploring Operation: 48/2=24, Resulting Numbers: [92, 24] Generated Node #0,0,0: 70:[92, 24] Operation: 48/2=24 Exploring Operation: 92-48=44, Resulting Numbers: [2, 44] Generated Node #0,0,1: 70:[2, 44] Operation: 92-48=44 Exploring Operation: 92/2=46, Resulting Numbers: [48, 46] Generated Node #0,0,2: 70:[48, 46] Operation: 92/2=46 Moving to Node #0,0,1 Current State: 70:[2, 44], Operations: ['88/44=2', '92-48=44'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,70 unequal: No Solution Exploring Operation: 2+44=46, Resulting Numbers: [46] 46,70 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[48, 46], Operations: ['88/44=2', '92/2=46'] Exploring Operation: 48*46=2208, Resulting Numbers: [2208] 2208,70 unequal: No Solution Exploring Operation: 48-46=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 48+46=94, Resulting Numbers: [94] 94,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[92, 24], Operations: ['88/44=2', '48/2=24'] Exploring Operation: 92-24=68, Resulting Numbers: [68] 68,70 unequal: No Solution Exploring Operation: 92*24=2208, Resulting Numbers: [2208] 2208,70 unequal: No Solution Exploring Operation: 92+24=116, Resulting Numbers: [116] 116,70 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 Current State: 70:[92, 44, 40], Operations: ['88-48=40'] Exploring Operation: 92-40=52, Resulting Numbers: [44, 52] Generated Node #0,1,0: 70:[44, 52] Operation: 92-40=52 Exploring Operation: 92-44=48, Resulting Numbers: [40, 48] Generated Node #0,1,1: 70:[40, 48] Operation: 92-44=48 Exploring Operation: 44-40=4, Resulting Numbers: [92, 4] Generated Node #0,1,2: 70:[92, 4] Operation: 44-40=4 Moving to Node #0,1,1 Current State: 70:[40, 48], Operations: ['88-48=40', '92-44=48'] Exploring Operation: 40+48=88, Resulting Numbers: [88] 88,70 unequal: No Solution Exploring Operation: 48-40=8, Resulting Numbers: [8] 8,70 unequal: No Solution Exploring Operation: 40*48=1920, Resulting Numbers: [1920] 1920,70 unequal: No Solution Moving to Node #0,1,2 Current State: 70:[92, 4], Operations: ['88-48=40', '44-40=4'] Exploring Operation: 92-4=88, Resulting Numbers: [88] 88,70 unequal: No Solution Exploring Operation: 92/4=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 92+4=96, Resulting Numbers: [96] 96,70 unequal: No Solution Moving to Node #0,1,0 Current State: 70:[44, 52], Operations: ['88-48=40', '92-40=52'] Exploring Operation: 52-44=8, Resulting Numbers: [8] 8,70 unequal: No Solution Exploring Operation: 44*52=2288, Resulting Numbers: [2288] 2288,70 unequal: No Solution Exploring Operation: 44+52=96, Resulting Numbers: [96] 96,70 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
[ 95, 90, 36, 53 ]
94
[ "95-90=5", "36+53=89", "5+89=94" ]
Current State: 94:[95, 90, 36, 53], Operations: [] Exploring Operation: 95-90=5, Resulting Numbers: [36, 53, 5] Generated Node #2: [36, 53, 5] from Operation: 95-90=5 Current State: 94:[36, 53, 5], Operations: ['95-90=5'] Exploring Operation: 36+53=89, Resulting Numbers: [5, 89] Generated Node #3: [5, 89] from Operation: 36+53=89 Current State: 94:[5, 89], Operations: ['95-90=5', '36+53=89'] Exploring Operation: 5+89=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[95, 90, 36, 53], Operations: [] Exploring Operation: 36+53=89, Resulting Numbers: [95, 90, 89] Generated Node #0,0: 94:[95, 90, 89] Operation: 36+53=89 Exploring Operation: 95-53=42, Resulting Numbers: [90, 36, 42] Generated Node #0,1: 94:[90, 36, 42] Operation: 95-53=42 Exploring Operation: 90-36=54, Resulting Numbers: [95, 53, 54] Generated Node #0,2: 94:[95, 53, 54] Operation: 90-36=54 Exploring Operation: 95-90=5, Resulting Numbers: [36, 53, 5] Generated Node #0,3: 94:[36, 53, 5] Operation: 95-90=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[95, 90, 89], Operations: ['36+53=89'] Exploring Operation: 95-90=5, Resulting Numbers: [89, 5] Generated Node #0,0,0: 94:[89, 5] Operation: 95-90=5 Exploring Operation: 90-89=1, Resulting Numbers: [95, 1] Generated Node #0,0,1: 94:[95, 1] Operation: 90-89=1 Exploring Operation: 95-89=6, Resulting Numbers: [90, 6] Generated Node #0,0,2: 94:[90, 6] Operation: 95-89=6 Exploring Operation: 90+89=179, Resulting Numbers: [95, 179] Generated Node #0,0,3: 94:[95, 179] Operation: 90+89=179 Moving to Node #0,0,1 Current State: 94:[95, 1], Operations: ['36+53=89', '90-89=1'] Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,94 unequal: No Solution Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,94 unequal: No Solution Exploring Operation: 95-1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[95, 90, 36, 53], Operations: [] Exploring Operation: 36+53=89, Resulting Numbers: [95, 90, 89] Generated Node #0,0: 94:[95, 90, 89] Operation: 36+53=89 Moving to Node #0,0 Current State: 94:[95, 90, 89], Operations: ['36+53=89'] Exploring Operation: 90-89=1, Resulting Numbers: [95, 1] Generated Node #0,0,1: 94:[95, 1] Operation: 90-89=1 Moving to Node #0,0,1 Current State: 94:[95, 1], Operations: ['36+53=89', '90-89=1'] Exploring Operation: 95-1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 29, 79, 54, 42 ]
12
[ "29+79=108", "54+42=96", "108-96=12" ]
Current State: 12:[29, 79, 54, 42], Operations: [] Exploring Operation: 29+79=108, Resulting Numbers: [54, 42, 108] Generated Node #2: [54, 42, 108] from Operation: 29+79=108 Current State: 12:[54, 42, 108], Operations: ['29+79=108'] Exploring Operation: 54+42=96, Resulting Numbers: [108, 96] Generated Node #3: [108, 96] from Operation: 54+42=96 Current State: 12:[108, 96], Operations: ['29+79=108', '54+42=96'] Exploring Operation: 108-96=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[29, 79, 54, 42], Operations: [] Exploring Operation: 79-42=37, Resulting Numbers: [29, 54, 37] Generated Node #0,0: 12:[29, 54, 37] Operation: 79-42=37 Exploring Operation: 54-29=25, Resulting Numbers: [79, 42, 25] Generated Node #0,1: 12:[79, 42, 25] Operation: 54-29=25 Exploring Operation: 79-29=50, Resulting Numbers: [54, 42, 50] Generated Node #0,2: 12:[54, 42, 50] Operation: 79-29=50 Exploring Operation: 79-54=25, Resulting Numbers: [29, 42, 25] Generated Node #0,3: 12:[29, 42, 25] Operation: 79-54=25 Exploring Operation: 54-42=12, Resulting Numbers: [29, 79, 12] Generated Node #0,4: 12:[29, 79, 12] Operation: 54-42=12 Start Sub Search at level 1: Moving to Node #0,3 Current State: 12:[29, 42, 25], Operations: ['79-54=25'] Exploring Operation: 42-25=17, Resulting Numbers: [29, 17] Generated Node #0,3,0: 12:[29, 17] Operation: 42-25=17 Exploring Operation: 29+42=71, Resulting Numbers: [25, 71] Generated Node #0,3,1: 12:[25, 71] Operation: 29+42=71 Exploring Operation: 42-29=13, Resulting Numbers: [25, 13] Generated Node #0,3,2: 12:[25, 13] Operation: 42-29=13 Exploring Operation: 29+25=54, Resulting Numbers: [42, 54] Generated Node #0,3,3: 12:[42, 54] Operation: 29+25=54 Exploring Operation: 29-25=4, Resulting Numbers: [42, 4] Generated Node #0,3,4: 12:[42, 4] Operation: 29-25=4 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 12:[25, 13], Operations: ['79-54=25', '42-29=13'] Exploring Operation: 25+13=38, Resulting Numbers: [38] 38,12 unequal: No Solution Exploring Operation: 25*13=325, Resulting Numbers: [325] 325,12 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[29, 79, 54, 42], Operations: [] Exploring Operation: 79-54=25, Resulting Numbers: [29, 42, 25] Generated Node #0,3: 12:[29, 42, 25] Operation: 79-54=25 Moving to Node #0,3 Current State: 12:[29, 42, 25], Operations: ['79-54=25'] Exploring Operation: 42-29=13, Resulting Numbers: [25, 13] Generated Node #0,3,2: 12:[25, 13] Operation: 42-29=13 Moving to Node #0,3,2 Current State: 12:[25, 13], Operations: ['79-54=25', '42-29=13'] Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 99, 21, 7, 3 ]
15
[ "21+7=28", "3*28=84", "99-84=15" ]
Current State: 15:[99, 21, 7, 3], Operations: [] Exploring Operation: 21+7=28, Resulting Numbers: [99, 3, 28] Generated Node #2: [99, 3, 28] from Operation: 21+7=28 Current State: 15:[99, 3, 28], Operations: ['21+7=28'] Exploring Operation: 3*28=84, Resulting Numbers: [99, 84] Generated Node #3: [99, 84] from Operation: 3*28=84 Current State: 15:[99, 84], Operations: ['21+7=28', '3*28=84'] Exploring Operation: 99-84=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[99, 21, 7, 3], Operations: [] Exploring Operation: 99/3=33, Resulting Numbers: [21, 7, 33] Generated Node #0,0: 15:[21, 7, 33] Operation: 99/3=33 Exploring Operation: 99-21=78, Resulting Numbers: [7, 3, 78] Generated Node #0,1: 15:[7, 3, 78] Operation: 99-21=78 Exploring Operation: 99-7=92, Resulting Numbers: [21, 3, 92] Generated Node #0,2: 15:[21, 3, 92] Operation: 99-7=92 Exploring Operation: 21/7=3, Resulting Numbers: [99, 3, 3] Generated Node #0,3: 15:[99, 3, 3] Operation: 21/7=3 Exploring Operation: 21-7=14, Resulting Numbers: [99, 3, 14] Generated Node #0,4: 15:[99, 3, 14] Operation: 21-7=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[21, 7, 33], Operations: ['99/3=33'] Exploring Operation: 21/7=3, Resulting Numbers: [33, 3] Generated Node #0,0,0: 15:[33, 3] Operation: 21/7=3 Exploring Operation: 33-7=26, Resulting Numbers: [21, 26] Generated Node #0,0,1: 15:[21, 26] Operation: 33-7=26 Exploring Operation: 21+7=28, Resulting Numbers: [33, 28] Generated Node #0,0,2: 15:[33, 28] Operation: 21+7=28 Exploring Operation: 21-7=14, Resulting Numbers: [33, 14] Generated Node #0,0,3: 15:[33, 14] Operation: 21-7=14 Exploring Operation: 33-21=12, Resulting Numbers: [7, 12] Generated Node #0,0,4: 15:[7, 12] Operation: 33-21=12 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 15:[7, 12], Operations: ['99/3=33', '33-21=12'] Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,15 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,15 unequal: No Solution Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,15 unequal: No Solution No 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: 15:[21, 26], Operations: ['99/3=33', '33-7=26'] Exploring Operation: 21*26=546, Resulting Numbers: [546] 546,15 unequal: No Solution Exploring Operation: 21+26=47, Resulting Numbers: [47] 47,15 unequal: No Solution Exploring Operation: 26-21=5, Resulting Numbers: [5] 5,15 unequal: No Solution No 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: 15:[33, 3], Operations: ['99/3=33', '21/7=3'] Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,15 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,15 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,15 unequal: No Solution No 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: 15:[33, 14], Operations: ['99/3=33', '21-7=14'] Exploring Operation: 33-14=19, Resulting Numbers: [19] 19,15 unequal: No Solution Exploring Operation: 33+14=47, Resulting Numbers: [47] 47,15 unequal: No Solution Exploring Operation: 33*14=462, Resulting Numbers: [462] 462,15 unequal: No Solution No 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: 15:[33, 28], Operations: ['99/3=33', '21+7=28'] Exploring Operation: 33*28=924, Resulting Numbers: [924] 924,15 unequal: No Solution Exploring Operation: 33+28=61, Resulting Numbers: [61] 61,15 unequal: No Solution Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,15 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: 15:[7, 3, 78], Operations: ['99-21=78'] Exploring Operation: 7+3=10, Resulting Numbers: [78, 10] Generated Node #0,1,0: 15:[78, 10] Operation: 7+3=10 Exploring Operation: 78-7=71, Resulting Numbers: [3, 71] Generated Node #0,1,1: 15:[3, 71] Operation: 78-7=71 Exploring Operation: 78-3=75, Resulting Numbers: [7, 75] Generated Node #0,1,2: 15:[7, 75] Operation: 78-3=75 Exploring Operation: 7-3=4, Resulting Numbers: [78, 4] Generated Node #0,1,3: 15:[78, 4] Operation: 7-3=4 Exploring Operation: 78/3=26, Resulting Numbers: [7, 26] Generated Node #0,1,4: 15:[7, 26] Operation: 78/3=26 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 15:[7, 26], Operations: ['99-21=78', '78/3=26'] Exploring Operation: 7*26=182, Resulting Numbers: [182] 182,15 unequal: No Solution Exploring Operation: 7+26=33, Resulting Numbers: [33] 33,15 unequal: No Solution Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,15 unequal: No Solution No 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: 15:[3, 71], Operations: ['99-21=78', '78-7=71'] Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,15 unequal: No Solution Exploring Operation: 3+71=74, Resulting Numbers: [74] 74,15 unequal: No Solution Exploring Operation: 3*71=213, Resulting Numbers: [213] 213,15 unequal: No Solution No 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: 15:[7, 75], Operations: ['99-21=78', '78-3=75'] Exploring Operation: 75-7=68, Resulting Numbers: [68] 68,15 unequal: No Solution Exploring Operation: 7*75=525, Resulting Numbers: [525] 525,15 unequal: No Solution Exploring Operation: 7+75=82, Resulting Numbers: [82] 82,15 unequal: No Solution No 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: 15:[78, 4], Operations: ['99-21=78', '7-3=4'] Exploring Operation: 78+4=82, Resulting Numbers: [82] 82,15 unequal: No Solution Exploring Operation: 78*4=312, Resulting Numbers: [312] 312,15 unequal: No Solution Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,15 unequal: No Solution No 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: 15:[78, 10], Operations: ['99-21=78', '7+3=10'] Exploring Operation: 78-10=68, Resulting Numbers: [68] 68,15 unequal: No Solution Exploring Operation: 78*10=780, Resulting Numbers: [780] 780,15 unequal: No Solution Exploring Operation: 78+10=88, Resulting Numbers: [88] 88,15 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: 15:[21, 3, 92], Operations: ['99-7=92'] Exploring Operation: 92-21=71, Resulting Numbers: [3, 71] Generated Node #0,2,0: 15:[3, 71] Operation: 92-21=71 Exploring Operation: 92-3=89, Resulting Numbers: [21, 89] Generated Node #0,2,1: 15:[21, 89] Operation: 92-3=89 Exploring Operation: 21/3=7, Resulting Numbers: [92, 7] Generated Node #0,2,2: 15:[92, 7] Operation: 21/3=7 Exploring Operation: 21+3=24, Resulting Numbers: [92, 24] Generated Node #0,2,3: 15:[92, 24] Operation: 21+3=24 Exploring Operation: 21-3=18, Resulting Numbers: [92, 18] Generated Node #0,2,4: 15:[92, 18] Operation: 21-3=18 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 15:[3, 71], Operations: ['99-7=92', '92-21=71'] Exploring Operation: 3*71=213, Resulting Numbers: [213] 213,15 unequal: No Solution Exploring Operation: 3+71=74, Resulting Numbers: [74] 74,15 unequal: No Solution Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,15 unequal: No Solution No 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: 15:[92, 7], Operations: ['99-7=92', '21/3=7'] Exploring Operation: 92+7=99, Resulting Numbers: [99] 99,15 unequal: No Solution Exploring Operation: 92-7=85, Resulting Numbers: [85] 85,15 unequal: No Solution Exploring Operation: 92*7=644, Resulting Numbers: [644] 644,15 unequal: No Solution No 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: 15:[21, 89], Operations: ['99-7=92', '92-3=89'] Exploring Operation: 21*89=1869, Resulting Numbers: [1869] 1869,15 unequal: No Solution Exploring Operation: 89-21=68, Resulting Numbers: [68] 68,15 unequal: No Solution Exploring Operation: 21+89=110, Resulting Numbers: [110] 110,15 unequal: No Solution No 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: 15:[92, 18], Operations: ['99-7=92', '21-3=18'] Exploring Operation: 92*18=1656, Resulting Numbers: [1656] 1656,15 unequal: No Solution Exploring Operation: 92-18=74, Resulting Numbers: [74] 74,15 unequal: No Solution Exploring Operation: 92+18=110, Resulting Numbers: [110] 110,15 unequal: No Solution No 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: 15:[92, 24], Operations: ['99-7=92', '21+3=24'] Exploring Operation: 92-24=68, Resulting Numbers: [68] 68,15 unequal: No Solution Exploring Operation: 92+24=116, Resulting Numbers: [116] 116,15 unequal: No Solution Exploring Operation: 92*24=2208, Resulting Numbers: [2208] 2208,15 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: 15:[99, 3, 3], Operations: ['21/7=3'] Exploring Operation: 99/3=33, Resulting Numbers: [3, 33] Generated Node #0,3,0: 15:[3, 33] Operation: 99/3=33 Exploring Operation: 3+3=6, Resulting Numbers: [99, 6] Generated Node #0,3,1: 15:[99, 6] Operation: 3+3=6 Exploring Operation: 99-3=96, Resulting Numbers: [3, 96] Generated Node #0,3,2: 15:[3, 96] Operation: 99-3=96 Exploring Operation: 99/3=33, Resulting Numbers: [3, 33] Generated Node #0,3,3: 15:[3, 33] Operation: 99/3=33 Exploring Operation: 99-3=96, Resulting Numbers: [3, 96] Generated Node #0,3,4: 15:[3, 96] Operation: 99-3=96 Moving to Node #0,3,0 Current State: 15:[3, 33], Operations: ['21/7=3', '99/3=33'] Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,15 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 3+33=36, Resulting Numbers: [36] 36,15 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,15 unequal: No Solution Moving to Node #0,3,3 Current State: 15:[3, 33], Operations: ['21/7=3', '99/3=33'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,15 unequal: No Solution Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,15 unequal: No Solution Exploring Operation: 3+33=36, Resulting Numbers: [36] 36,15 unequal: No Solution Moving to Node #0,3,2 Current State: 15:[3, 96], Operations: ['21/7=3', '99-3=96'] Exploring Operation: 96/3=32, Resulting Numbers: [32] 32,15 unequal: No Solution Exploring Operation: 3*96=288, Resulting Numbers: [288] 288,15 unequal: No Solution Exploring Operation: 96-3=93, Resulting Numbers: [93] 93,15 unequal: No Solution Exploring Operation: 3+96=99, Resulting Numbers: [99] 99,15 unequal: No Solution Moving to Node #0,3,4 Current State: 15:[3, 96], Operations: ['21/7=3', '99-3=96'] Exploring Operation: 96-3=93, Resulting Numbers: [93] 93,15 unequal: No Solution Exploring Operation: 3*96=288, Resulting Numbers: [288] 288,15 unequal: No Solution Exploring Operation: 3+96=99, Resulting Numbers: [99] 99,15 unequal: No Solution Exploring Operation: 96/3=32, Resulting Numbers: [32] 32,15 unequal: No Solution Moving to Node #0,3,1 Current State: 15:[99, 6], Operations: ['21/7=3', '3+3=6'] Exploring Operation: 99+6=105, Resulting Numbers: [105] 105,15 unequal: No Solution Exploring Operation: 99*6=594, Resulting Numbers: [594] 594,15 unequal: No Solution Exploring Operation: 99-6=93, Resulting Numbers: [93] 93,15 unequal: No Solution No 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: 15:[99, 3, 14], Operations: ['21-7=14'] Exploring Operation: 3+14=17, Resulting Numbers: [99, 17] Generated Node #0,4,0: 15:[99, 17] Operation: 3+14=17 Exploring Operation: 99+3=102, Resulting Numbers: [14, 102] Generated Node #0,4,1: 15:[14, 102] Operation: 99+3=102 Exploring Operation: 99-3=96, Resulting Numbers: [14, 96] Generated Node #0,4,2: 15:[14, 96] Operation: 99-3=96 Exploring Operation: 99/3=33, Resulting Numbers: [14, 33] Generated Node #0,4,3: 15:[14, 33] Operation: 99/3=33 Exploring Operation: 99-14=85, Resulting Numbers: [3, 85] Generated Node #0,4,4: 15:[3, 85] Operation: 99-14=85 Moving to Node #0,4,3 Current State: 15:[14, 33], Operations: ['21-7=14', '99/3=33'] Exploring Operation: 33-14=19, Resulting Numbers: [19] 19,15 unequal: No Solution Exploring Operation: 14*33=462, Resulting Numbers: [462] 462,15 unequal: No Solution Exploring Operation: 14+33=47, Resulting Numbers: [47] 47,15 unequal: No Solution Moving to Node #0,4,4 Current State: 15:[3, 85], Operations: ['21-7=14', '99-14=85'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,15 unequal: No Solution Exploring Operation: 3*85=255, Resulting Numbers: [255] 255,15 unequal: No Solution Exploring Operation: 3+85=88, Resulting Numbers: [88] 88,15 unequal: No Solution Moving to Node #0,4,2 Current State: 15:[14, 96], Operations: ['21-7=14', '99-3=96'] Exploring Operation: 14+96=110, Resulting Numbers: [110] 110,15 unequal: No Solution Exploring Operation: 96-14=82, Resulting Numbers: [82] 82,15 unequal: No Solution Exploring Operation: 14*96=1344, Resulting Numbers: [1344] 1344,15 unequal: No Solution Moving to Node #0,4,0 Current State: 15:[99, 17], Operations: ['21-7=14', '3+14=17'] Exploring Operation: 99+17=116, Resulting Numbers: [116] 116,15 unequal: No Solution Exploring Operation: 99-17=82, Resulting Numbers: [82] 82,15 unequal: No Solution Exploring Operation: 99*17=1683, Resulting Numbers: [1683] 1683,15 unequal: No Solution Moving to Node #0,4,1 Current State: 15:[14, 102], Operations: ['21-7=14', '99+3=102'] Exploring Operation: 14*102=1428, Resulting Numbers: [1428] 1428,15 unequal: No Solution Exploring Operation: 102-14=88, Resulting Numbers: [88] 88,15 unequal: No Solution Exploring Operation: 14+102=116, Resulting Numbers: [116] 116,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 72, 88, 63, 84 ]
13
[ "72+88=160", "63+84=147", "160-147=13" ]
Current State: 13:[72, 88, 63, 84], Operations: [] Exploring Operation: 72+88=160, Resulting Numbers: [63, 84, 160] Generated Node #2: [63, 84, 160] from Operation: 72+88=160 Current State: 13:[63, 84, 160], Operations: ['72+88=160'] Exploring Operation: 63+84=147, Resulting Numbers: [160, 147] Generated Node #3: [160, 147] from Operation: 63+84=147 Current State: 13:[160, 147], Operations: ['72+88=160', '63+84=147'] Exploring Operation: 160-147=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[72, 88, 63, 84], Operations: [] Exploring Operation: 84-72=12, Resulting Numbers: [88, 63, 12] Generated Node #0,0: 13:[88, 63, 12] Operation: 84-72=12 Exploring Operation: 88-72=16, Resulting Numbers: [63, 84, 16] Generated Node #0,1: 13:[63, 84, 16] Operation: 88-72=16 Exploring Operation: 88-84=4, Resulting Numbers: [72, 63, 4] Generated Node #0,2: 13:[72, 63, 4] Operation: 88-84=4 Moving to Node #0,2 Current State: 13:[72, 63, 4], Operations: ['88-84=4'] Exploring Operation: 72-63=9, Resulting Numbers: [4, 9] Generated Node #0,2,0: 13:[4, 9] Operation: 72-63=9 Exploring Operation: 72/4=18, Resulting Numbers: [63, 18] Generated Node #0,2,1: 13:[63, 18] Operation: 72/4=18 Exploring Operation: 72-4=68, Resulting Numbers: [63, 68] Generated Node #0,2,2: 13:[63, 68] Operation: 72-4=68 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 13:[4, 9], Operations: ['88-84=4', '72-63=9'] Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[72, 88, 63, 84], Operations: [] Exploring Operation: 88-84=4, Resulting Numbers: [72, 63, 4] Generated Node #0,2: 13:[72, 63, 4] Operation: 88-84=4 Moving to Node #0,2 Current State: 13:[72, 63, 4], Operations: ['88-84=4'] Exploring Operation: 72-63=9, Resulting Numbers: [4, 9] Generated Node #0,2,0: 13:[4, 9] Operation: 72-63=9 Moving to Node #0,2,0 Current State: 13:[4, 9], Operations: ['88-84=4', '72-63=9'] Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 37, 92, 9, 30 ]
11
[ "37+92=129", "129-30=99", "99/9=11" ]
Current State: 11:[37, 92, 9, 30], Operations: [] Exploring Operation: 37+92=129, Resulting Numbers: [9, 30, 129] Generated Node #2: [9, 30, 129] from Operation: 37+92=129 Current State: 11:[9, 30, 129], Operations: ['37+92=129'] Exploring Operation: 129-30=99, Resulting Numbers: [9, 99] Generated Node #3: [9, 99] from Operation: 129-30=99 Current State: 11:[9, 99], Operations: ['37+92=129', '129-30=99'] Exploring Operation: 99/9=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[37, 92, 9, 30], Operations: [] Exploring Operation: 92-37=55, Resulting Numbers: [9, 30, 55] Generated Node #0,0: 11:[9, 30, 55] Operation: 92-37=55 Exploring Operation: 92-30=62, Resulting Numbers: [37, 9, 62] Generated Node #0,1: 11:[37, 9, 62] Operation: 92-30=62 Moving to Node #0,0 Current State: 11:[9, 30, 55], Operations: ['92-37=55'] Exploring Operation: 55-30=25, Resulting Numbers: [9, 25] Generated Node #0,0,0: 11:[9, 25] Operation: 55-30=25 Exploring Operation: 30-9=21, Resulting Numbers: [55, 21] Generated Node #0,0,1: 11:[55, 21] Operation: 30-9=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 11:[9, 25], Operations: ['92-37=55', '55-30=25'] Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 9+25=34, Resulting Numbers: [34] 34,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 11:[55, 21], Operations: ['92-37=55', '30-9=21'] Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,11 unequal: No Solution Exploring Operation: 55+21=76, Resulting Numbers: [76] 76,11 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: 11:[37, 9, 62], Operations: ['92-30=62'] Exploring Operation: 62-37=25, Resulting Numbers: [9, 25] Generated Node #0,1,0: 11:[9, 25] Operation: 62-37=25 Exploring Operation: 37-9=28, Resulting Numbers: [62, 28] Generated Node #0,1,1: 11:[62, 28] Operation: 37-9=28 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 11:[9, 25], Operations: ['92-30=62', '62-37=25'] Exploring Operation: 9+25=34, Resulting Numbers: [34] 34,11 unequal: No Solution Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 11:[62, 28], Operations: ['92-30=62', '37-9=28'] Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,11 unequal: No Solution Exploring Operation: 62+28=90, Resulting Numbers: [90] 90,11 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
[ 31, 65, 34, 78 ]
77
[ "65-31=34", "34/34=1", "78-1=77" ]
Current State: 77:[31, 65, 34, 78], Operations: [] Exploring Operation: 65-31=34, Resulting Numbers: [34, 78, 34] Generated Node #2: [34, 78, 34] from Operation: 65-31=34 Current State: 77:[34, 78, 34], Operations: ['65-31=34'] Exploring Operation: 34/34=1, Resulting Numbers: [78, 1] Generated Node #3: [78, 1] from Operation: 34/34=1 Current State: 77:[78, 1], Operations: ['65-31=34', '34/34=1'] Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[31, 65, 34, 78], Operations: [] Exploring Operation: 31+34=65, Resulting Numbers: [65, 78, 65] Generated Node #0,0: 77:[65, 78, 65] Operation: 31+34=65 Exploring Operation: 34-31=3, Resulting Numbers: [65, 78, 3] Generated Node #0,1: 77:[65, 78, 3] Operation: 34-31=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[65, 78, 3], Operations: ['34-31=3'] Exploring Operation: 78-65=13, Resulting Numbers: [3, 13] Generated Node #0,1,0: 77:[3, 13] Operation: 78-65=13 Exploring Operation: 65+3=68, Resulting Numbers: [78, 68] Generated Node #0,1,1: 77:[78, 68] Operation: 65+3=68 Moving to Node #0,1,0 Current State: 77:[3, 13], Operations: ['34-31=3', '78-65=13'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[78, 68], Operations: ['34-31=3', '65+3=68'] Exploring Operation: 78-68=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 78+68=146, Resulting Numbers: [146] 146,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[65, 78, 65], Operations: ['31+34=65'] Exploring Operation: 65/65=1, Resulting Numbers: [78, 1] Generated Node #0,0,0: 77:[78, 1] Operation: 65/65=1 Exploring Operation: 65-65=0, Resulting Numbers: [78, 0] Generated Node #0,0,1: 77:[78, 0] Operation: 65-65=0 Moving to Node #0,0,0 Current State: 77:[78, 1], Operations: ['31+34=65', '65/65=1'] Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[31, 65, 34, 78], Operations: [] Exploring Operation: 31+34=65, Resulting Numbers: [65, 78, 65] Generated Node #0,0: 77:[65, 78, 65] Operation: 31+34=65 Moving to Node #0,0 Current State: 77:[65, 78, 65], Operations: ['31+34=65'] Exploring Operation: 65/65=1, Resulting Numbers: [78, 1] Generated Node #0,0,0: 77:[78, 1] Operation: 65/65=1 Moving to Node #0,0,0 Current State: 77:[78, 1], Operations: ['31+34=65', '65/65=1'] Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 48, 72, 36, 85 ]
61
[ "48*36=1728", "1728/72=24", "85-24=61" ]
Current State: 61:[48, 72, 36, 85], Operations: [] Exploring Operation: 48*36=1728, Resulting Numbers: [72, 85, 1728] Generated Node #2: [72, 85, 1728] from Operation: 48*36=1728 Current State: 61:[72, 85, 1728], Operations: ['48*36=1728'] Exploring Operation: 1728/72=24, Resulting Numbers: [85, 24] Generated Node #3: [85, 24] from Operation: 1728/72=24 Current State: 61:[85, 24], Operations: ['48*36=1728', '1728/72=24'] Exploring Operation: 85-24=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[48, 72, 36, 85], Operations: [] Exploring Operation: 85-36=49, Resulting Numbers: [48, 72, 49] Generated Node #0,0: 61:[48, 72, 49] Operation: 85-36=49 Exploring Operation: 48+36=84, Resulting Numbers: [72, 85, 84] Generated Node #0,1: 61:[72, 85, 84] Operation: 48+36=84 Moving to Node #0,0 Current State: 61:[48, 72, 49], Operations: ['85-36=49'] Exploring Operation: 48+49=97, Resulting Numbers: [72, 97] Generated Node #0,0,0: 61:[72, 97] Operation: 48+49=97 Exploring Operation: 72-48=24, Resulting Numbers: [49, 24] Generated Node #0,0,1: 61:[49, 24] Operation: 72-48=24 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[72, 97], Operations: ['85-36=49', '48+49=97'] Exploring Operation: 97-72=25, Resulting Numbers: [25] 25,61 unequal: No Solution Exploring Operation: 72+97=169, Resulting Numbers: [169] 169,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[49, 24], Operations: ['85-36=49', '72-48=24'] Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,61 unequal: No Solution Exploring Operation: 49+24=73, Resulting Numbers: [73] 73,61 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: 61:[72, 85, 84], Operations: ['48+36=84'] Exploring Operation: 85-72=13, Resulting Numbers: [84, 13] Generated Node #0,1,0: 61:[84, 13] Operation: 85-72=13 Exploring Operation: 85-84=1, Resulting Numbers: [72, 1] Generated Node #0,1,1: 61:[72, 1] Operation: 85-84=1 Moving to Node #0,1,0 Current State: 61:[84, 13], Operations: ['48+36=84', '85-72=13'] Exploring Operation: 84-13=71, Resulting Numbers: [71] 71,61 unequal: No Solution Exploring Operation: 84+13=97, Resulting Numbers: [97] 97,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[72, 1], Operations: ['48+36=84', '85-84=1'] Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,61 unequal: No Solution Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,61 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 89, 4, 57, 57 ]
100
[ "89-57=32", "57-32=25", "4*25=100" ]
Current State: 100:[89, 4, 57, 57], Operations: [] Exploring Operation: 89-57=32, Resulting Numbers: [4, 32] Generated Node #2: [4, 32] from Operation: 89-57=32 Current State: 100:[4, 32], Operations: ['89-57=32'] Exploring Operation: 57-32=25, Resulting Numbers: [4, 25] Generated Node #3: [4, 25] from Operation: 57-32=25 Current State: 100:[4, 25], Operations: ['89-57=32', '57-32=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[89, 4, 57, 57], Operations: [] Exploring Operation: 89-57=32, Resulting Numbers: [4, 57, 32] Generated Node #0,0: 100:[4, 57, 32] Operation: 89-57=32 Exploring Operation: 89-57=32, Resulting Numbers: [4, 57, 32] Generated Node #0,1: 100:[4, 57, 32] Operation: 89-57=32 Exploring Operation: 57/57=1, Resulting Numbers: [89, 4, 1] Generated Node #0,2: 100:[89, 4, 1] Operation: 57/57=1 Exploring Operation: 57-57=0, Resulting Numbers: [89, 4, 0] Generated Node #0,3: 100:[89, 4, 0] Operation: 57-57=0 Exploring Operation: 89+4=93, Resulting Numbers: [57, 57, 93] Generated Node #0,4: 100:[57, 57, 93] Operation: 89+4=93 Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[89, 4, 1], Operations: ['57/57=1'] Exploring Operation: 89+1=90, Resulting Numbers: [4, 90] Generated Node #0,2,0: 100:[4, 90] Operation: 89+1=90 Exploring Operation: 89+4=93, Resulting Numbers: [1, 93] Generated Node #0,2,1: 100:[1, 93] Operation: 89+4=93 Exploring Operation: 4+1=5, Resulting Numbers: [89, 5] Generated Node #0,2,2: 100:[89, 5] Operation: 4+1=5 Exploring Operation: 89*1=89, Resulting Numbers: [4, 89] Generated Node #0,2,3: 100:[4, 89] Operation: 89*1=89 Exploring Operation: 89/1=89, Resulting Numbers: [4, 89] Generated Node #0,2,4: 100:[4, 89] Operation: 89/1=89 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 100:[1, 93], Operations: ['57/57=1', '89+4=93'] Exploring Operation: 1+93=94, Resulting Numbers: [94] 94,100 unequal: No Solution Exploring Operation: 1*93=93, Resulting Numbers: [93] 93,100 unequal: No Solution Exploring Operation: 93/1=93, Resulting Numbers: [93] 93,100 unequal: No Solution Exploring Operation: 93-1=92, Resulting Numbers: [92] 92,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 100:[4, 90], Operations: ['57/57=1', '89+1=90'] Exploring Operation: 4+90=94, Resulting Numbers: [94] 94,100 unequal: No Solution Exploring Operation: 4*90=360, Resulting Numbers: [360] 360,100 unequal: No Solution Exploring Operation: 90-4=86, Resulting Numbers: [86] 86,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 100:[89, 5], Operations: ['57/57=1', '4+1=5'] Exploring Operation: 89*5=445, Resulting Numbers: [445] 445,100 unequal: No Solution Exploring Operation: 89+5=94, Resulting Numbers: [94] 94,100 unequal: No Solution Exploring Operation: 89-5=84, Resulting Numbers: [84] 84,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 100:[4, 89], Operations: ['57/57=1', '89*1=89'] Exploring Operation: 4*89=356, Resulting Numbers: [356] 356,100 unequal: No Solution Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,100 unequal: No Solution Exploring Operation: 4+89=93, Resulting Numbers: [93] 93,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 100:[4, 89], Operations: ['57/57=1', '89/1=89'] Exploring Operation: 4+89=93, Resulting Numbers: [93] 93,100 unequal: No Solution Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,100 unequal: No Solution Exploring Operation: 4*89=356, Resulting Numbers: [356] 356,100 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 Start Sub Search at level 1: Moving to Node #0,3 Current State: 100:[89, 4, 0], Operations: ['57-57=0'] Exploring Operation: 89-0=89, Resulting Numbers: [4, 89] Generated Node #0,3,0: 100:[4, 89] Operation: 89-0=89 Exploring Operation: 89*0=0, Resulting Numbers: [4, 0] Generated Node #0,3,1: 100:[4, 0] Operation: 89*0=0 Exploring Operation: 89+0=89, Resulting Numbers: [4, 89] Generated Node #0,3,2: 100:[4, 89] Operation: 89+0=89 Exploring Operation: 89+4=93, Resulting Numbers: [0, 93] Generated Node #0,3,3: 100:[0, 93] Operation: 89+4=93 Exploring Operation: 4+0=4, Resulting Numbers: [89, 4] Generated Node #0,3,4: 100:[89, 4] Operation: 4+0=4 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 100:[4, 0], Operations: ['57-57=0', '89*0=0'] Exploring Operation: 4*0=0, Resulting Numbers: [0] 0,100 unequal: No Solution Exploring Operation: 4-0=4, Resulting Numbers: [4] 4,100 unequal: No Solution Exploring Operation: 4+0=4, Resulting Numbers: [4] 4,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 100:[0, 93], Operations: ['57-57=0', '89+4=93'] Exploring Operation: 0*93=0, Resulting Numbers: [0] 0,100 unequal: No Solution Exploring Operation: 93-0=93, Resulting Numbers: [93] 93,100 unequal: No Solution Exploring Operation: 0+93=93, Resulting Numbers: [93] 93,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 100:[4, 89], Operations: ['57-57=0', '89-0=89'] Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,100 unequal: No Solution Exploring Operation: 4*89=356, Resulting Numbers: [356] 356,100 unequal: No Solution Exploring Operation: 4+89=93, Resulting Numbers: [93] 93,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 100:[4, 89], Operations: ['57-57=0', '89+0=89'] Exploring Operation: 4+89=93, Resulting Numbers: [93] 93,100 unequal: No Solution Exploring Operation: 4*89=356, Resulting Numbers: [356] 356,100 unequal: No Solution Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 100:[89, 4], Operations: ['57-57=0', '4+0=4'] Exploring Operation: 89*4=356, Resulting Numbers: [356] 356,100 unequal: No Solution Exploring Operation: 89+4=93, Resulting Numbers: [93] 93,100 unequal: No Solution Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,100 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[4, 57, 32], Operations: ['89-57=32'] Exploring Operation: 57-4=53, Resulting Numbers: [32, 53] Generated Node #0,0,0: 100:[32, 53] Operation: 57-4=53 Exploring Operation: 32-4=28, Resulting Numbers: [57, 28] Generated Node #0,0,1: 100:[57, 28] Operation: 32-4=28 Exploring Operation: 57+32=89, Resulting Numbers: [4, 89] Generated Node #0,0,2: 100:[4, 89] Operation: 57+32=89 Exploring Operation: 57-32=25, Resulting Numbers: [4, 25] Generated Node #0,0,3: 100:[4, 25] Operation: 57-32=25 Exploring Operation: 32/4=8, Resulting Numbers: [57, 8] Generated Node #0,0,4: 100:[57, 8] Operation: 32/4=8 Moving to Node #0,0,3 Current State: 100:[4, 25], Operations: ['89-57=32', '57-32=25'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,100 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,100 unequal: No Solution Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[89, 4, 57, 57], Operations: [] Exploring Operation: 89-57=32, Resulting Numbers: [4, 57, 32] Generated Node #0,0: 100:[4, 57, 32] Operation: 89-57=32 Moving to Node #0,0 Current State: 100:[4, 57, 32], Operations: ['89-57=32'] Exploring Operation: 57-32=25, Resulting Numbers: [4, 25] Generated Node #0,0,3: 100:[4, 25] Operation: 57-32=25 Moving to Node #0,0,3 Current State: 100:[4, 25], Operations: ['89-57=32', '57-32=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.949653
hs_5
sum_heuristic
[ 33, 71, 76, 98 ]
100
[ "71-33=38", "76/38=2", "98+2=100" ]
Current State: 100:[33, 71, 76, 98], Operations: [] Exploring Operation: 71-33=38, Resulting Numbers: [76, 98, 38] Generated Node #2: [76, 98, 38] from Operation: 71-33=38 Current State: 100:[76, 98, 38], Operations: ['71-33=38'] Exploring Operation: 76/38=2, Resulting Numbers: [98, 2] Generated Node #3: [98, 2] from Operation: 76/38=2 Current State: 100:[98, 2], Operations: ['71-33=38', '76/38=2'] Exploring Operation: 98+2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[33, 71, 76, 98], Operations: [] Exploring Operation: 76-71=5, Resulting Numbers: [33, 98, 5] Generated Node #0,0: 100:[33, 98, 5] Operation: 76-71=5 Exploring Operation: 76-33=43, Resulting Numbers: [71, 98, 43] Generated Node #0,1: 100:[71, 98, 43] Operation: 76-33=43 Exploring Operation: 33+71=104, Resulting Numbers: [76, 98, 104] Generated Node #0,2: 100:[76, 98, 104] Operation: 33+71=104 Exploring Operation: 98-76=22, Resulting Numbers: [33, 71, 22] Generated Node #0,3: 100:[33, 71, 22] Operation: 98-76=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[33, 98, 5], Operations: ['76-71=5'] Exploring Operation: 33+5=38, Resulting Numbers: [98, 38] Generated Node #0,0,0: 100:[98, 38] Operation: 33+5=38 Exploring Operation: 98-33=65, Resulting Numbers: [5, 65] Generated Node #0,0,1: 100:[5, 65] Operation: 98-33=65 Exploring Operation: 33-5=28, Resulting Numbers: [98, 28] Generated Node #0,0,2: 100:[98, 28] Operation: 33-5=28 Exploring Operation: 98+5=103, Resulting Numbers: [33, 103] Generated Node #0,0,3: 100:[33, 103] Operation: 98+5=103 Moving to Node #0,0,2 Current State: 100:[98, 28], Operations: ['76-71=5', '33-5=28'] Exploring Operation: 98+28=126, Resulting Numbers: [126] 126,100 unequal: No Solution Exploring Operation: 98*28=2744, Resulting Numbers: [2744] 2744,100 unequal: No Solution Exploring Operation: 98-28=70, Resulting Numbers: [70] 70,100 unequal: No Solution Moving to Node #0,0,3 Current State: 100:[33, 103], Operations: ['76-71=5', '98+5=103'] Exploring Operation: 33*103=3399, Resulting Numbers: [3399] 3399,100 unequal: No Solution Exploring Operation: 103-33=70, Resulting Numbers: [70] 70,100 unequal: No Solution Exploring Operation: 33+103=136, Resulting Numbers: [136] 136,100 unequal: No Solution Moving to Node #0,0,0 Current State: 100:[98, 38], Operations: ['76-71=5', '33+5=38'] Exploring Operation: 98*38=3724, Resulting Numbers: [3724] 3724,100 unequal: No Solution Exploring Operation: 98+38=136, Resulting Numbers: [136] 136,100 unequal: No Solution Exploring Operation: 98-38=60, Resulting Numbers: [60] 60,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[5, 65], Operations: ['76-71=5', '98-33=65'] Exploring Operation: 5+65=70, Resulting Numbers: [70] 70,100 unequal: No Solution Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,100 unequal: No Solution Exploring Operation: 65-5=60, Resulting Numbers: [60] 60,100 unequal: No Solution Exploring Operation: 5*65=325, Resulting Numbers: [325] 325,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[71, 98, 43], Operations: ['76-33=43'] Exploring Operation: 71-43=28, Resulting Numbers: [98, 28] Generated Node #0,1,0: 100:[98, 28] Operation: 71-43=28 Exploring Operation: 71+43=114, Resulting Numbers: [98, 114] Generated Node #0,1,1: 100:[98, 114] Operation: 71+43=114 Exploring Operation: 98-43=55, Resulting Numbers: [71, 55] Generated Node #0,1,2: 100:[71, 55] Operation: 98-43=55 Exploring Operation: 98-71=27, Resulting Numbers: [43, 27] Generated Node #0,1,3: 100:[43, 27] Operation: 98-71=27 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 100:[98, 28], Operations: ['76-33=43', '71-43=28'] Exploring Operation: 98+28=126, Resulting Numbers: [126] 126,100 unequal: No Solution Exploring Operation: 98*28=2744, Resulting Numbers: [2744] 2744,100 unequal: No Solution Exploring Operation: 98-28=70, Resulting Numbers: [70] 70,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 100:[43, 27], Operations: ['76-33=43', '98-71=27'] Exploring Operation: 43-27=16, Resulting Numbers: [16] 16,100 unequal: No Solution Exploring Operation: 43+27=70, Resulting Numbers: [70] 70,100 unequal: No Solution Exploring Operation: 43*27=1161, Resulting Numbers: [1161] 1161,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 100:[98, 114], Operations: ['76-33=43', '71+43=114'] Exploring Operation: 114-98=16, Resulting Numbers: [16] 16,100 unequal: No Solution Exploring Operation: 98*114=11172, Resulting Numbers: [11172] 11172,100 unequal: No Solution Exploring Operation: 98+114=212, Resulting Numbers: [212] 212,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 100:[71, 55], Operations: ['76-33=43', '98-43=55'] Exploring Operation: 71+55=126, Resulting Numbers: [126] 126,100 unequal: No Solution Exploring Operation: 71*55=3905, Resulting Numbers: [3905] 3905,100 unequal: No Solution Exploring Operation: 71-55=16, Resulting Numbers: [16] 16,100 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[76, 98, 104], Operations: ['33+71=104'] Exploring Operation: 98-76=22, Resulting Numbers: [104, 22] Generated Node #0,2,0: 100:[104, 22] Operation: 98-76=22 Exploring Operation: 104-98=6, Resulting Numbers: [76, 6] Generated Node #0,2,1: 100:[76, 6] Operation: 104-98=6 Exploring Operation: 76+98=174, Resulting Numbers: [104, 174] Generated Node #0,2,2: 100:[104, 174] Operation: 76+98=174 Exploring Operation: 104-76=28, Resulting Numbers: [98, 28] Generated Node #0,2,3: 100:[98, 28] Operation: 104-76=28 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 100:[98, 28], Operations: ['33+71=104', '104-76=28'] Exploring Operation: 98*28=2744, Resulting Numbers: [2744] 2744,100 unequal: No Solution Exploring Operation: 98+28=126, Resulting Numbers: [126] 126,100 unequal: No Solution Exploring Operation: 98-28=70, Resulting Numbers: [70] 70,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 100:[104, 22], Operations: ['33+71=104', '98-76=22'] Exploring Operation: 104-22=82, Resulting Numbers: [82] 82,100 unequal: No Solution Exploring Operation: 104*22=2288, Resulting Numbers: [2288] 2288,100 unequal: No Solution Exploring Operation: 104+22=126, Resulting Numbers: [126] 126,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 100:[76, 6], Operations: ['33+71=104', '104-98=6'] Exploring Operation: 76+6=82, Resulting Numbers: [82] 82,100 unequal: No Solution Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,100 unequal: No Solution Exploring Operation: 76*6=456, Resulting Numbers: [456] 456,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 100:[104, 174], Operations: ['33+71=104', '76+98=174'] Exploring Operation: 104+174=278, Resulting Numbers: [278] 278,100 unequal: No Solution Exploring Operation: 104*174=18096, Resulting Numbers: [18096] 18096,100 unequal: No Solution Exploring Operation: 174-104=70, Resulting Numbers: [70] 70,100 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 Start Sub Search at level 1: Moving to Node #0,3 Current State: 100:[33, 71, 22], Operations: ['98-76=22'] Exploring Operation: 71-22=49, Resulting Numbers: [33, 49] Generated Node #0,3,0: 100:[33, 49] Operation: 71-22=49 Exploring Operation: 71+22=93, Resulting Numbers: [33, 93] Generated Node #0,3,1: 100:[33, 93] Operation: 71+22=93 Exploring Operation: 71-33=38, Resulting Numbers: [22, 38] Generated Node #0,3,2: 100:[22, 38] Operation: 71-33=38 Exploring Operation: 33+71=104, Resulting Numbers: [22, 104] Generated Node #0,3,3: 100:[22, 104] Operation: 33+71=104 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 100:[22, 104], Operations: ['98-76=22', '33+71=104'] Exploring Operation: 22+104=126, Resulting Numbers: [126] 126,100 unequal: No Solution Exploring Operation: 22*104=2288, Resulting Numbers: [2288] 2288,100 unequal: No Solution Exploring Operation: 104-22=82, Resulting Numbers: [82] 82,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 100:[33, 49], Operations: ['98-76=22', '71-22=49'] Exploring Operation: 33+49=82, Resulting Numbers: [82] 82,100 unequal: No Solution Exploring Operation: 33*49=1617, Resulting Numbers: [1617] 1617,100 unequal: No Solution Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 100:[22, 38], Operations: ['98-76=22', '71-33=38'] Exploring Operation: 22+38=60, Resulting Numbers: [60] 60,100 unequal: No Solution Exploring Operation: 22*38=836, Resulting Numbers: [836] 836,100 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 100:[33, 93], Operations: ['98-76=22', '71+22=93'] Exploring Operation: 33*93=3069, Resulting Numbers: [3069] 3069,100 unequal: No Solution Exploring Operation: 33+93=126, Resulting Numbers: [126] 126,100 unequal: No Solution Exploring Operation: 93-33=60, Resulting Numbers: [60] 60,100 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_4
mult_heuristic
[ 20, 88, 44, 73 ]
55
[ "73-20=53", "88/44=2", "53+2=55" ]
Current State: 55:[20, 88, 44, 73], Operations: [] Exploring Operation: 73-20=53, Resulting Numbers: [88, 44, 53] Generated Node #2: [88, 44, 53] from Operation: 73-20=53 Current State: 55:[88, 44, 53], Operations: ['73-20=53'] Exploring Operation: 88/44=2, Resulting Numbers: [53, 2] Generated Node #3: [53, 2] from Operation: 88/44=2 Current State: 55:[53, 2], Operations: ['73-20=53', '88/44=2'] Exploring Operation: 53+2=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[20, 88, 44, 73], Operations: [] Exploring Operation: 88-44=44, Resulting Numbers: [20, 73, 44] Generated Node #0,0: 55:[20, 73, 44] Operation: 88-44=44 Exploring Operation: 73-20=53, Resulting Numbers: [88, 44, 53] Generated Node #0,1: 55:[88, 44, 53] Operation: 73-20=53 Exploring Operation: 88-73=15, Resulting Numbers: [20, 44, 15] Generated Node #0,2: 55:[20, 44, 15] Operation: 88-73=15 Exploring Operation: 88-20=68, Resulting Numbers: [44, 73, 68] Generated Node #0,3: 55:[44, 73, 68] Operation: 88-20=68 Exploring Operation: 88/44=2, Resulting Numbers: [20, 73, 2] Generated Node #0,4: 55:[20, 73, 2] Operation: 88/44=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 55:[20, 44, 15], Operations: ['88-73=15'] Exploring Operation: 44-20=24, Resulting Numbers: [15, 24] Generated Node #0,2,0: 55:[15, 24] Operation: 44-20=24 Exploring Operation: 44+15=59, Resulting Numbers: [20, 59] Generated Node #0,2,1: 55:[20, 59] Operation: 44+15=59 Exploring Operation: 44-15=29, Resulting Numbers: [20, 29] Generated Node #0,2,2: 55:[20, 29] Operation: 44-15=29 Exploring Operation: 20-15=5, Resulting Numbers: [44, 5] Generated Node #0,2,3: 55:[44, 5] Operation: 20-15=5 Exploring Operation: 20+44=64, Resulting Numbers: [15, 64] Generated Node #0,2,4: 55:[15, 64] Operation: 20+44=64 Moving to Node #0,2,3 Current State: 55:[44, 5], Operations: ['88-73=15', '20-15=5'] Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,55 unequal: No Solution Moving to Node #0,2,4 Current State: 55:[15, 64], Operations: ['88-73=15', '20+44=64'] Exploring Operation: 15*64=960, Resulting Numbers: [960] 960,55 unequal: No Solution Exploring Operation: 64-15=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 15+64=79, Resulting Numbers: [79] 79,55 unequal: No Solution Moving to Node #0,2,1 Current State: 55:[20, 59], Operations: ['88-73=15', '44+15=59'] Exploring Operation: 20+59=79, Resulting Numbers: [79] 79,55 unequal: No Solution Exploring Operation: 20*59=1180, Resulting Numbers: [1180] 1180,55 unequal: No Solution Exploring Operation: 59-20=39, Resulting Numbers: [39] 39,55 unequal: No Solution Moving to Node #0,2,0 Current State: 55:[15, 24], Operations: ['88-73=15', '44-20=24'] Exploring Operation: 15*24=360, Resulting Numbers: [360] 360,55 unequal: No Solution Exploring Operation: 15+24=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,55 unequal: No Solution Moving to Node #0,2,2 Current State: 55:[20, 29], Operations: ['88-73=15', '44-15=29'] Exploring Operation: 20*29=580, Resulting Numbers: [580] 580,55 unequal: No Solution Exploring Operation: 20+29=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 55:[20, 73, 2], Operations: ['88/44=2'] Exploring Operation: 73-2=71, Resulting Numbers: [20, 71] Generated Node #0,4,0: 55:[20, 71] Operation: 73-2=71 Exploring Operation: 20/2=10, Resulting Numbers: [73, 10] Generated Node #0,4,1: 55:[73, 10] Operation: 20/2=10 Exploring Operation: 20+2=22, Resulting Numbers: [73, 22] Generated Node #0,4,2: 55:[73, 22] Operation: 20+2=22 Exploring Operation: 20-2=18, Resulting Numbers: [73, 18] Generated Node #0,4,3: 55:[73, 18] Operation: 20-2=18 Exploring Operation: 73-20=53, Resulting Numbers: [2, 53] Generated Node #0,4,4: 55:[2, 53] Operation: 73-20=53 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 55:[2, 53], Operations: ['88/44=2', '73-20=53'] Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,55 unequal: No Solution Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[20, 88, 44, 73], Operations: [] Exploring Operation: 88/44=2, Resulting Numbers: [20, 73, 2] Generated Node #0,4: 55:[20, 73, 2] Operation: 88/44=2 Moving to Node #0,4 Current State: 55:[20, 73, 2], Operations: ['88/44=2'] Exploring Operation: 73-20=53, Resulting Numbers: [2, 53] Generated Node #0,4,4: 55:[2, 53] Operation: 73-20=53 Moving to Node #0,4,4 Current State: 55:[2, 53], Operations: ['88/44=2', '73-20=53'] Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96875
hs_5
mult_heuristic
[ 59, 2, 88, 84 ]
54
[ "59*2=118", "88+84=172", "172-118=54" ]
Current State: 54:[59, 2, 88, 84], Operations: [] Exploring Operation: 59*2=118, Resulting Numbers: [88, 84, 118] Generated Node #2: [88, 84, 118] from Operation: 59*2=118 Current State: 54:[88, 84, 118], Operations: ['59*2=118'] Exploring Operation: 88+84=172, Resulting Numbers: [118, 172] Generated Node #3: [118, 172] from Operation: 88+84=172 Current State: 54:[118, 172], Operations: ['59*2=118', '88+84=172'] Exploring Operation: 172-118=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[59, 2, 88, 84], Operations: [] Exploring Operation: 88-84=4, Resulting Numbers: [59, 2, 4] Generated Node #0,0: 54:[59, 2, 4] Operation: 88-84=4 Exploring Operation: 88-59=29, Resulting Numbers: [2, 84, 29] Generated Node #0,1: 54:[2, 84, 29] Operation: 88-59=29 Exploring Operation: 88/2=44, Resulting Numbers: [59, 84, 44] Generated Node #0,2: 54:[59, 84, 44] Operation: 88/2=44 Exploring Operation: 84-59=25, Resulting Numbers: [2, 88, 25] Generated Node #0,3: 54:[2, 88, 25] Operation: 84-59=25 Moving to Node #0,0 Current State: 54:[59, 2, 4], Operations: ['88-84=4'] Exploring Operation: 59-4=55, Resulting Numbers: [2, 55] Generated Node #0,0,0: 54:[2, 55] Operation: 59-4=55 Exploring Operation: 4-2=2, Resulting Numbers: [59, 2] Generated Node #0,0,1: 54:[59, 2] Operation: 4-2=2 Exploring Operation: 2+4=6, Resulting Numbers: [59, 6] Generated Node #0,0,2: 54:[59, 6] Operation: 2+4=6 Exploring Operation: 59-2=57, Resulting Numbers: [4, 57] Generated Node #0,0,3: 54:[4, 57] Operation: 59-2=57 Moving to Node #0,1 Current State: 54:[2, 84, 29], Operations: ['88-59=29'] Exploring Operation: 84-2=82, Resulting Numbers: [29, 82] Generated Node #0,1,0: 54:[29, 82] Operation: 84-2=82 Exploring Operation: 29-2=27, Resulting Numbers: [84, 27] Generated Node #0,1,1: 54:[84, 27] Operation: 29-2=27 Exploring Operation: 84-29=55, Resulting Numbers: [2, 55] Generated Node #0,1,2: 54:[2, 55] Operation: 84-29=55 Exploring Operation: 84/2=42, Resulting Numbers: [29, 42] Generated Node #0,1,3: 54:[29, 42] Operation: 84/2=42 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 54:[2, 55], Operations: ['88-59=29', '84-29=55'] Exploring Operation: 2*55=110, Resulting Numbers: [110] 110,54 unequal: No Solution Exploring Operation: 2+55=57, Resulting Numbers: [57] 57,54 unequal: No Solution Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 54:[29, 42], Operations: ['88-59=29', '84/2=42'] Exploring Operation: 42-29=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 29*42=1218, Resulting Numbers: [1218] 1218,54 unequal: No Solution Exploring Operation: 29+42=71, Resulting Numbers: [71] 71,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 54:[29, 82], Operations: ['88-59=29', '84-2=82'] Exploring Operation: 29+82=111, Resulting Numbers: [111] 111,54 unequal: No Solution Exploring Operation: 29*82=2378, Resulting Numbers: [2378] 2378,54 unequal: No Solution Exploring Operation: 82-29=53, Resulting Numbers: [53] 53,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 54:[84, 27], Operations: ['88-59=29', '29-2=27'] Exploring Operation: 84-27=57, Resulting Numbers: [57] 57,54 unequal: No Solution Exploring Operation: 84+27=111, Resulting Numbers: [111] 111,54 unequal: No Solution Exploring Operation: 84*27=2268, Resulting Numbers: [2268] 2268,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 54:[2, 88, 25], Operations: ['84-59=25'] Exploring Operation: 2+25=27, Resulting Numbers: [88, 27] Generated Node #0,3,0: 54:[88, 27] Operation: 2+25=27 Exploring Operation: 88-25=63, Resulting Numbers: [2, 63] Generated Node #0,3,1: 54:[2, 63] Operation: 88-25=63 Exploring Operation: 88-2=86, Resulting Numbers: [25, 86] Generated Node #0,3,2: 54:[25, 86] Operation: 88-2=86 Exploring Operation: 88/2=44, Resulting Numbers: [25, 44] Generated Node #0,3,3: 54:[25, 44] Operation: 88/2=44 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 54:[2, 63], Operations: ['84-59=25', '88-25=63'] Exploring Operation: 2+63=65, Resulting Numbers: [65] 65,54 unequal: No Solution Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,54 unequal: No Solution Exploring Operation: 2*63=126, Resulting Numbers: [126] 126,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 54:[25, 44], Operations: ['84-59=25', '88/2=44'] Exploring Operation: 25+44=69, Resulting Numbers: [69] 69,54 unequal: No Solution Exploring Operation: 44-25=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 25*44=1100, Resulting Numbers: [1100] 1100,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 54:[88, 27], Operations: ['84-59=25', '2+25=27'] Exploring Operation: 88+27=115, Resulting Numbers: [115] 115,54 unequal: No Solution Exploring Operation: 88-27=61, Resulting Numbers: [61] 61,54 unequal: No Solution Exploring Operation: 88*27=2376, Resulting Numbers: [2376] 2376,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 54:[25, 86], Operations: ['84-59=25', '88-2=86'] Exploring Operation: 25+86=111, Resulting Numbers: [111] 111,54 unequal: No Solution Exploring Operation: 86-25=61, Resulting Numbers: [61] 61,54 unequal: No Solution Exploring Operation: 25*86=2150, Resulting Numbers: [2150] 2150,54 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: 54:[59, 84, 44], Operations: ['88/2=44'] Exploring Operation: 59+44=103, Resulting Numbers: [84, 103] Generated Node #0,2,0: 54:[84, 103] Operation: 59+44=103 Exploring Operation: 59-44=15, Resulting Numbers: [84, 15] Generated Node #0,2,1: 54:[84, 15] Operation: 59-44=15 Exploring Operation: 84-59=25, Resulting Numbers: [44, 25] Generated Node #0,2,2: 54:[44, 25] Operation: 84-59=25 Exploring Operation: 84-44=40, Resulting Numbers: [59, 40] Generated Node #0,2,3: 54:[59, 40] Operation: 84-44=40 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 54:[44, 25], Operations: ['88/2=44', '84-59=25'] Exploring Operation: 44+25=69, Resulting Numbers: [69] 69,54 unequal: No Solution Exploring Operation: 44*25=1100, Resulting Numbers: [1100] 1100,54 unequal: No Solution Exploring Operation: 44-25=19, Resulting Numbers: [19] 19,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 54:[59, 40], Operations: ['88/2=44', '84-44=40'] Exploring Operation: 59-40=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 59*40=2360, Resulting Numbers: [2360] 2360,54 unequal: No Solution Exploring Operation: 59+40=99, Resulting Numbers: [99] 99,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 54:[84, 15], Operations: ['88/2=44', '59-44=15'] Exploring Operation: 84-15=69, Resulting Numbers: [69] 69,54 unequal: No Solution Exploring Operation: 84*15=1260, Resulting Numbers: [1260] 1260,54 unequal: No Solution Exploring Operation: 84+15=99, Resulting Numbers: [99] 99,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 54:[84, 103], Operations: ['88/2=44', '59+44=103'] Exploring Operation: 84+103=187, Resulting Numbers: [187] 187,54 unequal: No Solution Exploring Operation: 103-84=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 84*103=8652, Resulting Numbers: [8652] 8652,54 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: 54:[2, 55], Operations: ['88-84=4', '59-4=55'] Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,54 unequal: No Solution Exploring Operation: 2+55=57, Resulting Numbers: [57] 57,54 unequal: No Solution Exploring Operation: 2*55=110, Resulting Numbers: [110] 110,54 unequal: No Solution Moving to Node #0,0,3 Current State: 54:[4, 57], Operations: ['88-84=4', '59-2=57'] Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,54 unequal: No Solution Exploring Operation: 4*57=228, Resulting Numbers: [228] 228,54 unequal: No Solution Exploring Operation: 4+57=61, Resulting Numbers: [61] 61,54 unequal: No Solution Moving to Node #0,0,2 Current State: 54:[59, 6], Operations: ['88-84=4', '2+4=6'] Exploring Operation: 59-6=53, Resulting Numbers: [53] 53,54 unequal: No Solution Exploring Operation: 59+6=65, Resulting Numbers: [65] 65,54 unequal: No Solution Exploring Operation: 59*6=354, Resulting Numbers: [354] 354,54 unequal: No Solution Moving to Node #0,0,1 Current State: 54:[59, 2], Operations: ['88-84=4', '4-2=2'] Exploring Operation: 59*2=118, Resulting Numbers: [118] 118,54 unequal: No Solution Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,54 unequal: No Solution Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,54 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 33, 44, 6, 29 ]
22
[ "33-6=27", "29-27=2", "44/2=22" ]
Current State: 22:[33, 44, 6, 29], Operations: [] Exploring Operation: 33-6=27, Resulting Numbers: [44, 29, 27] Generated Node #2: [44, 29, 27] from Operation: 33-6=27 Current State: 22:[44, 29, 27], Operations: ['33-6=27'] Exploring Operation: 29-27=2, Resulting Numbers: [44, 2] Generated Node #3: [44, 2] from Operation: 29-27=2 Current State: 22:[44, 2], Operations: ['33-6=27', '29-27=2'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[33, 44, 6, 29], Operations: [] Exploring Operation: 44-33=11, Resulting Numbers: [6, 29, 11] Generated Node #0,0: 22:[6, 29, 11] Operation: 44-33=11 Exploring Operation: 44-29=15, Resulting Numbers: [33, 6, 15] Generated Node #0,1: 22:[33, 6, 15] Operation: 44-29=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[6, 29, 11], Operations: ['44-33=11'] Exploring Operation: 29-6=23, Resulting Numbers: [11, 23] Generated Node #0,0,0: 22:[11, 23] Operation: 29-6=23 Exploring Operation: 29-11=18, Resulting Numbers: [6, 18] Generated Node #0,0,1: 22:[6, 18] Operation: 29-11=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 22:[11, 23], Operations: ['44-33=11', '29-6=23'] Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,22 unequal: No Solution Exploring Operation: 11+23=34, Resulting Numbers: [34] 34,22 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 #0,0,1 Current State: 22:[6, 18], Operations: ['44-33=11', '29-11=18'] Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,22 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 #0,1 Current State: 22:[33, 6, 15], Operations: ['44-29=15'] Exploring Operation: 33-15=18, Resulting Numbers: [6, 18] Generated Node #0,1,0: 22:[6, 18] Operation: 33-15=18 Exploring Operation: 33-6=27, Resulting Numbers: [15, 27] Generated Node #0,1,1: 22:[15, 27] Operation: 33-6=27 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 22:[6, 18], Operations: ['44-29=15', '33-15=18'] Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,22 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:[15, 27], Operations: ['44-29=15', '33-6=27'] Exploring Operation: 15+27=42, Resulting Numbers: [42] 42,22 unequal: No Solution Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,22 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 No solution found.
0
hs_2
mult_heuristic