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
[ 78, 61, 41, 86 ]
12
[ "78+61=139", "41+86=127", "139-127=12" ]
Current State: 12:[78, 61, 41, 86], Operations: [] Exploring Operation: 78+61=139, Resulting Numbers: [41, 86, 139] Generated Node #2: [41, 86, 139] from Operation: 78+61=139 Current State: 12:[41, 86, 139], Operations: ['78+61=139'] Exploring Operation: 41+86=127, Resulting Numbers: [139, 127] Generated Node #3: [139, 127] from Operation: 41+86=127 Current State: 12:[139, 127], Operations: ['78+61=139', '41+86=127'] Exploring Operation: 139-127=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[78, 61, 41, 86], Operations: [] Exploring Operation: 86-78=8, Resulting Numbers: [61, 41, 8] Generated Node #0,0: 12:[61, 41, 8] Operation: 86-78=8 Moving to Node #0,0 Current State: 12:[61, 41, 8], Operations: ['86-78=8'] Exploring Operation: 61-41=20, Resulting Numbers: [8, 20] Generated Node #0,0,0: 12:[8, 20] Operation: 61-41=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[8, 20], Operations: ['86-78=8', '61-41=20'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[78, 61, 41, 86], Operations: [] Exploring Operation: 86-78=8, Resulting Numbers: [61, 41, 8] Generated Node #0,0: 12:[61, 41, 8] Operation: 86-78=8 Moving to Node #0,0 Current State: 12:[61, 41, 8], Operations: ['86-78=8'] Exploring Operation: 61-41=20, Resulting Numbers: [8, 20] Generated Node #0,0,0: 12:[8, 20] Operation: 61-41=20 Moving to Node #0,0,0 Current State: 12:[8, 20], Operations: ['86-78=8', '61-41=20'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 13, 36, 23, 46 ]
26
[ "13+36=49", "46-23=23", "49-23=26" ]
Current State: 26:[13, 36, 23, 46], Operations: [] Exploring Operation: 13+36=49, Resulting Numbers: [23, 46, 49] Generated Node #2: [23, 46, 49] from Operation: 13+36=49 Current State: 26:[23, 46, 49], Operations: ['13+36=49'] Exploring Operation: 46-23=23, Resulting Numbers: [49, 23] Generated Node #3: [49, 23] from Operation: 46-23=23 Current State: 26:[49, 23], Operations: ['13+36=49', '46-23=23'] Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[13, 36, 23, 46], Operations: [] Exploring Operation: 46-23=23, Resulting Numbers: [13, 36, 23] Generated Node #0,0: 26:[13, 36, 23] Operation: 46-23=23 Exploring Operation: 46/23=2, Resulting Numbers: [13, 36, 2] Generated Node #0,1: 26:[13, 36, 2] Operation: 46/23=2 Exploring Operation: 46-36=10, Resulting Numbers: [13, 23, 10] Generated Node #0,2: 26:[13, 23, 10] Operation: 46-36=10 Exploring Operation: 46-13=33, Resulting Numbers: [36, 23, 33] Generated Node #0,3: 26:[36, 23, 33] Operation: 46-13=33 Start Sub Search at level 1: Moving to Node #0,2 Current State: 26:[13, 23, 10], Operations: ['46-36=10'] Exploring Operation: 23-10=13, Resulting Numbers: [13, 13] Generated Node #0,2,0: 26:[13, 13] Operation: 23-10=13 Exploring Operation: 13-10=3, Resulting Numbers: [23, 3] Generated Node #0,2,1: 26:[23, 3] Operation: 13-10=3 Exploring Operation: 13+10=23, Resulting Numbers: [23, 23] Generated Node #0,2,2: 26:[23, 23] Operation: 13+10=23 Exploring Operation: 23-13=10, Resulting Numbers: [10, 10] Generated Node #0,2,3: 26:[10, 10] Operation: 23-13=10 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 26:[13, 13], Operations: ['46-36=10', '23-10=13'] Exploring Operation: 13+13=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[13, 36, 23, 46], Operations: [] Exploring Operation: 46-36=10, Resulting Numbers: [13, 23, 10] Generated Node #0,2: 26:[13, 23, 10] Operation: 46-36=10 Moving to Node #0,2 Current State: 26:[13, 23, 10], Operations: ['46-36=10'] Exploring Operation: 23-10=13, Resulting Numbers: [13, 13] Generated Node #0,2,0: 26:[13, 13] Operation: 23-10=13 Moving to Node #0,2,0 Current State: 26:[13, 13], Operations: ['46-36=10', '23-10=13'] Exploring Operation: 13+13=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 36, 57, 48, 42 ]
59
[ "36+48=84", "84/42=2", "57+2=59" ]
Current State: 59:[36, 57, 48, 42], Operations: [] Exploring Operation: 36+48=84, Resulting Numbers: [57, 42, 84] Generated Node #2: [57, 42, 84] from Operation: 36+48=84 Current State: 59:[57, 42, 84], Operations: ['36+48=84'] Exploring Operation: 84/42=2, Resulting Numbers: [57, 2] Generated Node #3: [57, 2] from Operation: 84/42=2 Current State: 59:[57, 2], Operations: ['36+48=84', '84/42=2'] Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[36, 57, 48, 42], Operations: [] Exploring Operation: 36+42=78, Resulting Numbers: [57, 48, 78] Generated Node #0,0: 59:[57, 48, 78] Operation: 36+42=78 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[57, 48, 78], Operations: ['36+42=78'] Exploring Operation: 78-48=30, Resulting Numbers: [57, 30] Generated Node #0,0,0: 59:[57, 30] Operation: 78-48=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 59:[57, 30], Operations: ['36+42=78', '78-48=30'] Exploring Operation: 57+30=87, Resulting Numbers: [87] 87,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 63, 34, 52, 41 ]
86
[ "63+34=97", "52-41=11", "97-11=86" ]
Current State: 86:[63, 34, 52, 41], Operations: [] Exploring Operation: 63+34=97, Resulting Numbers: [52, 41, 97] Generated Node #2: [52, 41, 97] from Operation: 63+34=97 Current State: 86:[52, 41, 97], Operations: ['63+34=97'] Exploring Operation: 52-41=11, Resulting Numbers: [97, 11] Generated Node #3: [97, 11] from Operation: 52-41=11 Current State: 86:[97, 11], Operations: ['63+34=97', '52-41=11'] Exploring Operation: 97-11=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[63, 34, 52, 41], Operations: [] Exploring Operation: 63-52=11, Resulting Numbers: [34, 41, 11] Generated Node #0,0: 86:[34, 41, 11] Operation: 63-52=11 Exploring Operation: 34+52=86, Resulting Numbers: [63, 41, 86] Generated Node #0,1: 86:[63, 41, 86] Operation: 34+52=86 Exploring Operation: 63+34=97, Resulting Numbers: [52, 41, 97] Generated Node #0,2: 86:[52, 41, 97] Operation: 63+34=97 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[34, 41, 11], Operations: ['63-52=11'] Exploring Operation: 41+11=52, Resulting Numbers: [34, 52] Generated Node #0,0,0: 86:[34, 52] Operation: 41+11=52 Exploring Operation: 41-34=7, Resulting Numbers: [11, 7] Generated Node #0,0,1: 86:[11, 7] Operation: 41-34=7 Exploring Operation: 34+11=45, Resulting Numbers: [41, 45] Generated Node #0,0,2: 86:[41, 45] Operation: 34+11=45 Moving to Node #0,0,2 Current State: 86:[41, 45], Operations: ['63-52=11', '34+11=45'] Exploring Operation: 45-41=4, Resulting Numbers: [4] 4,86 unequal: No Solution Exploring Operation: 41*45=1845, Resulting Numbers: [1845] 1845,86 unequal: No Solution Exploring Operation: 41+45=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[63, 34, 52, 41], Operations: [] Exploring Operation: 63-52=11, Resulting Numbers: [34, 41, 11] Generated Node #0,0: 86:[34, 41, 11] Operation: 63-52=11 Moving to Node #0,0 Current State: 86:[34, 41, 11], Operations: ['63-52=11'] Exploring Operation: 34+11=45, Resulting Numbers: [41, 45] Generated Node #0,0,2: 86:[41, 45] Operation: 34+11=45 Moving to Node #0,0,2 Current State: 86:[41, 45], Operations: ['63-52=11', '34+11=45'] Exploring Operation: 41+45=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 56, 93, 93, 99 ]
31
[ "93-56=37", "99-93=6", "37-6=31" ]
Current State: 31:[56, 93, 93, 99], Operations: [] Exploring Operation: 93-56=37, Resulting Numbers: [99, 37] Generated Node #2: [99, 37] from Operation: 93-56=37 Current State: 31:[99, 37], Operations: ['93-56=37'] Exploring Operation: 99-93=6, Resulting Numbers: [37, 6] Generated Node #3: [37, 6] from Operation: 99-93=6 Current State: 31:[37, 6], Operations: ['93-56=37', '99-93=6'] Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[56, 93, 93, 99], Operations: [] Exploring Operation: 99-93=6, Resulting Numbers: [56, 93, 6] Generated Node #0,0: 31:[56, 93, 6] Operation: 99-93=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[56, 93, 6], Operations: ['99-93=6'] Exploring Operation: 93-56=37, Resulting Numbers: [6, 37] Generated Node #0,0,0: 31:[6, 37] Operation: 93-56=37 Moving to Node #0,0,0 Current State: 31:[6, 37], Operations: ['99-93=6', '93-56=37'] Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[56, 93, 93, 99], Operations: [] Exploring Operation: 99-93=6, Resulting Numbers: [56, 93, 6] Generated Node #0,0: 31:[56, 93, 6] Operation: 99-93=6 Moving to Node #0,0 Current State: 31:[56, 93, 6], Operations: ['99-93=6'] Exploring Operation: 93-56=37, Resulting Numbers: [6, 37] Generated Node #0,0,0: 31:[6, 37] Operation: 93-56=37 Moving to Node #0,0,0 Current State: 31:[6, 37], Operations: ['99-93=6', '93-56=37'] Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 55, 57, 16, 67 ]
49
[ "57-55=2", "67-16=51", "51-2=49" ]
Current State: 49:[55, 57, 16, 67], Operations: [] Exploring Operation: 57-55=2, Resulting Numbers: [16, 67, 2] Generated Node #2: [16, 67, 2] from Operation: 57-55=2 Current State: 49:[16, 67, 2], Operations: ['57-55=2'] Exploring Operation: 67-16=51, Resulting Numbers: [2, 51] Generated Node #3: [2, 51] from Operation: 67-16=51 Current State: 49:[2, 51], Operations: ['57-55=2', '67-16=51'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[55, 57, 16, 67], Operations: [] Exploring Operation: 67-16=51, Resulting Numbers: [55, 57, 51] Generated Node #0,0: 49:[55, 57, 51] Operation: 67-16=51 Exploring Operation: 67-57=10, Resulting Numbers: [55, 16, 10] Generated Node #0,1: 49:[55, 16, 10] Operation: 67-57=10 Moving to Node #0,0 Current State: 49:[55, 57, 51], Operations: ['67-16=51'] Exploring Operation: 57-51=6, Resulting Numbers: [55, 6] Generated Node #0,0,0: 49:[55, 6] Operation: 57-51=6 Exploring Operation: 57-55=2, Resulting Numbers: [51, 2] Generated Node #0,0,1: 49:[51, 2] Operation: 57-55=2 Moving to Node #0,1 Current State: 49:[55, 16, 10], Operations: ['67-57=10'] Exploring Operation: 55-16=39, Resulting Numbers: [10, 39] Generated Node #0,1,0: 49:[10, 39] Operation: 55-16=39 Exploring Operation: 16-10=6, Resulting Numbers: [55, 6] Generated Node #0,1,1: 49:[55, 6] Operation: 16-10=6 Moving to Node #0,0,0 Current State: 49:[55, 6], Operations: ['67-16=51', '57-51=6'] Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[55, 57, 16, 67], Operations: [] Exploring Operation: 67-16=51, Resulting Numbers: [55, 57, 51] Generated Node #0,0: 49:[55, 57, 51] Operation: 67-16=51 Moving to Node #0,0 Current State: 49:[55, 57, 51], Operations: ['67-16=51'] Exploring Operation: 57-51=6, Resulting Numbers: [55, 6] Generated Node #0,0,0: 49:[55, 6] Operation: 57-51=6 Moving to Node #0,0,0 Current State: 49:[55, 6], Operations: ['67-16=51', '57-51=6'] Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
0.990451
hs_2
sum_heuristic
[ 67, 59, 15, 65 ]
42
[ "67-59=8", "65-15=50", "50-8=42" ]
Current State: 42:[67, 59, 15, 65], Operations: [] Exploring Operation: 67-59=8, Resulting Numbers: [15, 65, 8] Generated Node #2: [15, 65, 8] from Operation: 67-59=8 Current State: 42:[15, 65, 8], Operations: ['67-59=8'] Exploring Operation: 65-15=50, Resulting Numbers: [8, 50] Generated Node #3: [8, 50] from Operation: 65-15=50 Current State: 42:[8, 50], Operations: ['67-59=8', '65-15=50'] Exploring Operation: 50-8=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[67, 59, 15, 65], Operations: [] Exploring Operation: 67-65=2, Resulting Numbers: [59, 15, 2] Generated Node #0,0: 42:[59, 15, 2] Operation: 67-65=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[59, 15, 2], Operations: ['67-65=2'] Exploring Operation: 59-15=44, Resulting Numbers: [2, 44] Generated Node #0,0,0: 42:[2, 44] Operation: 59-15=44 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[2, 44], Operations: ['67-65=2', '59-15=44'] Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[67, 59, 15, 65], Operations: [] Exploring Operation: 67-65=2, Resulting Numbers: [59, 15, 2] Generated Node #0,0: 42:[59, 15, 2] Operation: 67-65=2 Moving to Node #0,0 Current State: 42:[59, 15, 2], Operations: ['67-65=2'] Exploring Operation: 59-15=44, Resulting Numbers: [2, 44] Generated Node #0,0,0: 42:[2, 44] Operation: 59-15=44 Moving to Node #0,0,0 Current State: 42:[2, 44], Operations: ['67-65=2', '59-15=44'] Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 68, 43, 51, 14 ]
46
[ "68+43=111", "51+14=65", "111-65=46" ]
Current State: 46:[68, 43, 51, 14], Operations: [] Exploring Operation: 68+43=111, Resulting Numbers: [51, 14, 111] Generated Node #2: [51, 14, 111] from Operation: 68+43=111 Current State: 46:[51, 14, 111], Operations: ['68+43=111'] Exploring Operation: 51+14=65, Resulting Numbers: [111, 65] Generated Node #3: [111, 65] from Operation: 51+14=65 Current State: 46:[111, 65], Operations: ['68+43=111', '51+14=65'] Exploring Operation: 111-65=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[68, 43, 51, 14], Operations: [] Exploring Operation: 68-43=25, Resulting Numbers: [51, 14, 25] Generated Node #0,0: 46:[51, 14, 25] Operation: 68-43=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[51, 14, 25], Operations: ['68-43=25'] Exploring Operation: 51-14=37, Resulting Numbers: [25, 37] Generated Node #0,0,0: 46:[25, 37] Operation: 51-14=37 Moving to Node #0,0,0 Current State: 46:[25, 37], Operations: ['68-43=25', '51-14=37'] Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 7, 52, 45, 50 ]
64
[ "7+52=59", "50-45=5", "59+5=64" ]
Current State: 64:[7, 52, 45, 50], Operations: [] Exploring Operation: 7+52=59, Resulting Numbers: [45, 50, 59] Generated Node #2: [45, 50, 59] from Operation: 7+52=59 Current State: 64:[45, 50, 59], Operations: ['7+52=59'] Exploring Operation: 50-45=5, Resulting Numbers: [59, 5] Generated Node #3: [59, 5] from Operation: 50-45=5 Current State: 64:[59, 5], Operations: ['7+52=59', '50-45=5'] Exploring Operation: 59+5=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[7, 52, 45, 50], Operations: [] Exploring Operation: 50-45=5, Resulting Numbers: [7, 52, 5] Generated Node #0,0: 64:[7, 52, 5] Operation: 50-45=5 Exploring Operation: 52-50=2, Resulting Numbers: [7, 45, 2] Generated Node #0,1: 64:[7, 45, 2] Operation: 52-50=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[7, 52, 5], Operations: ['50-45=5'] Exploring Operation: 52+5=57, Resulting Numbers: [7, 57] Generated Node #0,0,0: 64:[7, 57] Operation: 52+5=57 Exploring Operation: 7+52=59, Resulting Numbers: [5, 59] Generated Node #0,0,1: 64:[5, 59] Operation: 7+52=59 Moving to Node #0,0,1 Current State: 64:[5, 59], Operations: ['50-45=5', '7+52=59'] Exploring Operation: 5+59=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[7, 52, 45, 50], Operations: [] Exploring Operation: 50-45=5, Resulting Numbers: [7, 52, 5] Generated Node #0,0: 64:[7, 52, 5] Operation: 50-45=5 Moving to Node #0,0 Current State: 64:[7, 52, 5], Operations: ['50-45=5'] Exploring Operation: 7+52=59, Resulting Numbers: [5, 59] Generated Node #0,0,1: 64:[5, 59] Operation: 7+52=59 Moving to Node #0,0,1 Current State: 64:[5, 59], Operations: ['50-45=5', '7+52=59'] Exploring Operation: 5+59=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 17, 40, 2, 5 ]
50
[ "17+40=57", "2+5=7", "57-7=50" ]
Current State: 50:[17, 40, 2, 5], Operations: [] Exploring Operation: 17+40=57, Resulting Numbers: [2, 5, 57] Generated Node #2: [2, 5, 57] from Operation: 17+40=57 Current State: 50:[2, 5, 57], Operations: ['17+40=57'] Exploring Operation: 2+5=7, Resulting Numbers: [57, 7] Generated Node #3: [57, 7] from Operation: 2+5=7 Current State: 50:[57, 7], Operations: ['17+40=57', '2+5=7'] Exploring Operation: 57-7=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[17, 40, 2, 5], Operations: [] Exploring Operation: 40-17=23, Resulting Numbers: [2, 5, 23] Generated Node #0,0: 50:[2, 5, 23] Operation: 40-17=23 Exploring Operation: 17+40=57, Resulting Numbers: [2, 5, 57] Generated Node #0,1: 50:[2, 5, 57] Operation: 17+40=57 Moving to Node #0,0 Current State: 50:[2, 5, 23], Operations: ['40-17=23'] Exploring Operation: 2+23=25, Resulting Numbers: [5, 25] Generated Node #0,0,0: 50:[5, 25] Operation: 2+23=25 Exploring Operation: 2*5=10, Resulting Numbers: [23, 10] Generated Node #0,0,1: 50:[23, 10] Operation: 2*5=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[5, 25], Operations: ['40-17=23', '2+23=25'] Exploring Operation: 5+25=30, Resulting Numbers: [30] 30,50 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[23, 10], Operations: ['40-17=23', '2*5=10'] Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 23+10=33, Resulting Numbers: [33] 33,50 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: 50:[2, 5, 57], Operations: ['17+40=57'] Exploring Operation: 57-2=55, Resulting Numbers: [5, 55] Generated Node #0,1,0: 50:[5, 55] Operation: 57-2=55 Exploring Operation: 57-5=52, Resulting Numbers: [2, 52] Generated Node #0,1,1: 50:[2, 52] Operation: 57-5=52 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 50:[2, 52], Operations: ['17+40=57', '57-5=52'] Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[17, 40, 2, 5], Operations: [] Exploring Operation: 17+40=57, Resulting Numbers: [2, 5, 57] Generated Node #0,1: 50:[2, 5, 57] Operation: 17+40=57 Moving to Node #0,1 Current State: 50:[2, 5, 57], Operations: ['17+40=57'] Exploring Operation: 57-5=52, Resulting Numbers: [2, 52] Generated Node #0,1,1: 50:[2, 52] Operation: 57-5=52 Moving to Node #0,1,1 Current State: 50:[2, 52], Operations: ['17+40=57', '57-5=52'] Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 71, 91, 41, 81 ]
43
[ "71+91=162", "162/81=2", "41+2=43" ]
Current State: 43:[71, 91, 41, 81], Operations: [] Exploring Operation: 71+91=162, Resulting Numbers: [41, 81, 162] Generated Node #2: [41, 81, 162] from Operation: 71+91=162 Current State: 43:[41, 81, 162], Operations: ['71+91=162'] Exploring Operation: 162/81=2, Resulting Numbers: [41, 2] Generated Node #3: [41, 2] from Operation: 162/81=2 Current State: 43:[41, 2], Operations: ['71+91=162', '162/81=2'] Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[71, 91, 41, 81], Operations: [] Exploring Operation: 91-71=20, Resulting Numbers: [41, 81, 20] Generated Node #0,0: 43:[41, 81, 20] Operation: 91-71=20 Exploring Operation: 91-81=10, Resulting Numbers: [71, 41, 10] Generated Node #0,1: 43:[71, 41, 10] Operation: 91-81=10 Exploring Operation: 91-41=50, Resulting Numbers: [71, 81, 50] Generated Node #0,2: 43:[71, 81, 50] Operation: 91-41=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[41, 81, 20], Operations: ['91-71=20'] Exploring Operation: 41+20=61, Resulting Numbers: [81, 61] Generated Node #0,0,0: 43:[81, 61] Operation: 41+20=61 Exploring Operation: 81-20=61, Resulting Numbers: [41, 61] Generated Node #0,0,1: 43:[41, 61] Operation: 81-20=61 Exploring Operation: 81-41=40, Resulting Numbers: [20, 40] Generated Node #0,0,2: 43:[20, 40] Operation: 81-41=40 Moving to Node #0,0,1 Current State: 43:[41, 61], Operations: ['91-71=20', '81-20=61'] Exploring Operation: 41*61=2501, Resulting Numbers: [2501] 2501,43 unequal: No Solution Exploring Operation: 41+61=102, Resulting Numbers: [102] 102,43 unequal: No Solution Exploring Operation: 61-41=20, Resulting Numbers: [20] 20,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[20, 40], Operations: ['91-71=20', '81-41=40'] Exploring Operation: 20+40=60, Resulting Numbers: [60] 60,43 unequal: No Solution Exploring Operation: 40/20=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[81, 61], Operations: ['91-71=20', '41+20=61'] Exploring Operation: 81+61=142, Resulting Numbers: [142] 142,43 unequal: No Solution Exploring Operation: 81-61=20, Resulting Numbers: [20] 20,43 unequal: No Solution Exploring Operation: 81*61=4941, Resulting Numbers: [4941] 4941,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[71, 41, 10], Operations: ['91-81=10'] Exploring Operation: 71+10=81, Resulting Numbers: [41, 81] Generated Node #0,1,0: 43:[41, 81] Operation: 71+10=81 Exploring Operation: 71-10=61, Resulting Numbers: [41, 61] Generated Node #0,1,1: 43:[41, 61] Operation: 71-10=61 Exploring Operation: 41+10=51, Resulting Numbers: [71, 51] Generated Node #0,1,2: 43:[71, 51] Operation: 41+10=51 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[41, 61], Operations: ['91-81=10', '71-10=61'] Exploring Operation: 61-41=20, Resulting Numbers: [20] 20,43 unequal: No Solution Exploring Operation: 41*61=2501, Resulting Numbers: [2501] 2501,43 unequal: No Solution Exploring Operation: 41+61=102, Resulting Numbers: [102] 102,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 43:[71, 51], Operations: ['91-81=10', '41+10=51'] Exploring Operation: 71+51=122, Resulting Numbers: [122] 122,43 unequal: No Solution Exploring Operation: 71*51=3621, Resulting Numbers: [3621] 3621,43 unequal: No Solution Exploring Operation: 71-51=20, Resulting Numbers: [20] 20,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[41, 81], Operations: ['91-81=10', '71+10=81'] Exploring Operation: 41*81=3321, Resulting Numbers: [3321] 3321,43 unequal: No Solution Exploring Operation: 41+81=122, Resulting Numbers: [122] 122,43 unequal: No Solution Exploring Operation: 81-41=40, Resulting Numbers: [40] 40,43 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:[71, 81, 50], Operations: ['91-41=50'] Exploring Operation: 71-50=21, Resulting Numbers: [81, 21] Generated Node #0,2,0: 43:[81, 21] Operation: 71-50=21 Exploring Operation: 81-71=10, Resulting Numbers: [50, 10] Generated Node #0,2,1: 43:[50, 10] Operation: 81-71=10 Exploring Operation: 81-50=31, Resulting Numbers: [71, 31] Generated Node #0,2,2: 43:[71, 31] Operation: 81-50=31 Moving to Node #0,2,1 Current State: 43:[50, 10], Operations: ['91-41=50', '81-71=10'] Exploring Operation: 50/10=5, Resulting Numbers: [5] 5,43 unequal: No Solution Exploring Operation: 50-10=40, Resulting Numbers: [40] 40,43 unequal: No Solution Exploring Operation: 50+10=60, Resulting Numbers: [60] 60,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[71, 31], Operations: ['91-41=50', '81-50=31'] Exploring Operation: 71-31=40, Resulting Numbers: [40] 40,43 unequal: No Solution Exploring Operation: 71*31=2201, Resulting Numbers: [2201] 2201,43 unequal: No Solution Exploring Operation: 71+31=102, Resulting Numbers: [102] 102,43 unequal: No Solution Moving to Node #0,2,0 Current State: 43:[81, 21], Operations: ['91-41=50', '71-50=21'] Exploring Operation: 81-21=60, Resulting Numbers: [60] 60,43 unequal: No Solution Exploring Operation: 81*21=1701, Resulting Numbers: [1701] 1701,43 unequal: No Solution Exploring Operation: 81+21=102, Resulting Numbers: [102] 102,43 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
[ 96, 52, 12, 15 ]
75
[ "96/12=8", "52+15=67", "8+67=75" ]
Current State: 75:[96, 52, 12, 15], Operations: [] Exploring Operation: 96/12=8, Resulting Numbers: [52, 15, 8] Generated Node #2: [52, 15, 8] from Operation: 96/12=8 Current State: 75:[52, 15, 8], Operations: ['96/12=8'] Exploring Operation: 52+15=67, Resulting Numbers: [8, 67] Generated Node #3: [8, 67] from Operation: 52+15=67 Current State: 75:[8, 67], Operations: ['96/12=8', '52+15=67'] Exploring Operation: 8+67=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[96, 52, 12, 15], Operations: [] Exploring Operation: 96-52=44, Resulting Numbers: [12, 15, 44] Generated Node #0,0: 75:[12, 15, 44] Operation: 96-52=44 Exploring Operation: 96-15=81, Resulting Numbers: [52, 12, 81] Generated Node #0,1: 75:[52, 12, 81] Operation: 96-15=81 Exploring Operation: 96-12=84, Resulting Numbers: [52, 15, 84] Generated Node #0,2: 75:[52, 15, 84] Operation: 96-12=84 Exploring Operation: 96/12=8, Resulting Numbers: [52, 15, 8] Generated Node #0,3: 75:[52, 15, 8] Operation: 96/12=8 Moving to Node #0,0 Current State: 75:[12, 15, 44], Operations: ['96-52=44'] Exploring Operation: 44-15=29, Resulting Numbers: [12, 29] Generated Node #0,0,0: 75:[12, 29] Operation: 44-15=29 Exploring Operation: 15-12=3, Resulting Numbers: [44, 3] Generated Node #0,0,1: 75:[44, 3] Operation: 15-12=3 Exploring Operation: 44-12=32, Resulting Numbers: [15, 32] Generated Node #0,0,2: 75:[15, 32] Operation: 44-12=32 Exploring Operation: 12+44=56, Resulting Numbers: [15, 56] Generated Node #0,0,3: 75:[15, 56] Operation: 12+44=56 Moving to Node #0,3 Current State: 75:[52, 15, 8], Operations: ['96/12=8'] Exploring Operation: 52+15=67, Resulting Numbers: [8, 67] Generated Node #0,3,0: 75:[8, 67] Operation: 52+15=67 Exploring Operation: 52+8=60, Resulting Numbers: [15, 60] Generated Node #0,3,1: 75:[15, 60] Operation: 52+8=60 Exploring Operation: 52-15=37, Resulting Numbers: [8, 37] Generated Node #0,3,2: 75:[8, 37] Operation: 52-15=37 Exploring Operation: 52-8=44, Resulting Numbers: [15, 44] Generated Node #0,3,3: 75:[15, 44] Operation: 52-8=44 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 75:[8, 67], Operations: ['96/12=8', '52+15=67'] Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,75 unequal: No Solution Exploring Operation: 8+67=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[96, 52, 12, 15], Operations: [] Exploring Operation: 96/12=8, Resulting Numbers: [52, 15, 8] Generated Node #0,3: 75:[52, 15, 8] Operation: 96/12=8 Moving to Node #0,3 Current State: 75:[52, 15, 8], Operations: ['96/12=8'] Exploring Operation: 52+15=67, Resulting Numbers: [8, 67] Generated Node #0,3,0: 75:[8, 67] Operation: 52+15=67 Moving to Node #0,3,0 Current State: 75:[8, 67], Operations: ['96/12=8', '52+15=67'] Exploring Operation: 8+67=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 9, 29, 86, 68 ]
56
[ "9+29=38", "86-68=18", "38+18=56" ]
Current State: 56:[9, 29, 86, 68], Operations: [] Exploring Operation: 9+29=38, Resulting Numbers: [86, 68, 38] Generated Node #2: [86, 68, 38] from Operation: 9+29=38 Current State: 56:[86, 68, 38], Operations: ['9+29=38'] Exploring Operation: 86-68=18, Resulting Numbers: [38, 18] Generated Node #3: [38, 18] from Operation: 86-68=18 Current State: 56:[38, 18], Operations: ['9+29=38', '86-68=18'] Exploring Operation: 38+18=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[9, 29, 86, 68], Operations: [] Exploring Operation: 86-29=57, Resulting Numbers: [9, 68, 57] Generated Node #0,0: 56:[9, 68, 57] Operation: 86-29=57 Exploring Operation: 86-68=18, Resulting Numbers: [9, 29, 18] Generated Node #0,1: 56:[9, 29, 18] Operation: 86-68=18 Exploring Operation: 86-9=77, Resulting Numbers: [29, 68, 77] Generated Node #0,2: 56:[29, 68, 77] Operation: 86-9=77 Exploring Operation: 68-9=59, Resulting Numbers: [29, 86, 59] Generated Node #0,3: 56:[29, 86, 59] Operation: 68-9=59 Exploring Operation: 68-29=39, Resulting Numbers: [9, 86, 39] Generated Node #0,4: 56:[9, 86, 39] Operation: 68-29=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[9, 29, 18], Operations: ['86-68=18'] Exploring Operation: 18/9=2, Resulting Numbers: [29, 2] Generated Node #0,1,0: 56:[29, 2] Operation: 18/9=2 Exploring Operation: 29-9=20, Resulting Numbers: [18, 20] Generated Node #0,1,1: 56:[18, 20] Operation: 29-9=20 Exploring Operation: 18-9=9, Resulting Numbers: [29, 9] Generated Node #0,1,2: 56:[29, 9] Operation: 18-9=9 Exploring Operation: 29-18=11, Resulting Numbers: [9, 11] Generated Node #0,1,3: 56:[9, 11] Operation: 29-18=11 Exploring Operation: 9+18=27, Resulting Numbers: [29, 27] Generated Node #0,1,4: 56:[29, 27] Operation: 9+18=27 Moving to Node #0,1,0 Current State: 56:[29, 2], Operations: ['86-68=18', '18/9=2'] Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,56 unequal: No Solution Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,56 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,56 unequal: No Solution Moving to Node #0,1,4 Current State: 56:[29, 27], Operations: ['86-68=18', '9+18=27'] Exploring Operation: 29*27=783, Resulting Numbers: [783] 783,56 unequal: No Solution Exploring Operation: 29+27=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[9, 29, 86, 68], Operations: [] Exploring Operation: 86-68=18, Resulting Numbers: [9, 29, 18] Generated Node #0,1: 56:[9, 29, 18] Operation: 86-68=18 Moving to Node #0,1 Current State: 56:[9, 29, 18], Operations: ['86-68=18'] Exploring Operation: 9+18=27, Resulting Numbers: [29, 27] Generated Node #0,1,4: 56:[29, 27] Operation: 9+18=27 Moving to Node #0,1,4 Current State: 56:[29, 27], Operations: ['86-68=18', '9+18=27'] Exploring Operation: 29+27=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 28, 15, 40, 60 ]
57
[ "28+15=43", "40+60=100", "100-43=57" ]
Current State: 57:[28, 15, 40, 60], Operations: [] Exploring Operation: 28+15=43, Resulting Numbers: [40, 60, 43] Generated Node #2: [40, 60, 43] from Operation: 28+15=43 Current State: 57:[40, 60, 43], Operations: ['28+15=43'] Exploring Operation: 40+60=100, Resulting Numbers: [43, 100] Generated Node #3: [43, 100] from Operation: 40+60=100 Current State: 57:[43, 100], Operations: ['28+15=43', '40+60=100'] Exploring Operation: 100-43=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[28, 15, 40, 60], Operations: [] Exploring Operation: 15+40=55, Resulting Numbers: [28, 60, 55] Generated Node #0,0: 57:[28, 60, 55] Operation: 15+40=55 Exploring Operation: 40-28=12, Resulting Numbers: [15, 60, 12] Generated Node #0,1: 57:[15, 60, 12] Operation: 40-28=12 Exploring Operation: 60-40=20, Resulting Numbers: [28, 15, 20] Generated Node #0,2: 57:[28, 15, 20] Operation: 60-40=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[28, 60, 55], Operations: ['15+40=55'] Exploring Operation: 60-28=32, Resulting Numbers: [55, 32] Generated Node #0,0,0: 57:[55, 32] Operation: 60-28=32 Exploring Operation: 60-55=5, Resulting Numbers: [28, 5] Generated Node #0,0,1: 57:[28, 5] Operation: 60-55=5 Exploring Operation: 55-28=27, Resulting Numbers: [60, 27] Generated Node #0,0,2: 57:[60, 27] Operation: 55-28=27 Moving to Node #0,0,1 Current State: 57:[28, 5], Operations: ['15+40=55', '60-55=5'] Exploring Operation: 28*5=140, Resulting Numbers: [140] 140,57 unequal: No Solution Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,57 unequal: No Solution Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,57 unequal: No Solution Moving to Node #0,0,2 Current State: 57:[60, 27], Operations: ['15+40=55', '55-28=27'] Exploring Operation: 60*27=1620, Resulting Numbers: [1620] 1620,57 unequal: No Solution Exploring Operation: 60+27=87, Resulting Numbers: [87] 87,57 unequal: No Solution Exploring Operation: 60-27=33, Resulting Numbers: [33] 33,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[55, 32], Operations: ['15+40=55', '60-28=32'] Exploring Operation: 55+32=87, Resulting Numbers: [87] 87,57 unequal: No Solution Exploring Operation: 55-32=23, Resulting Numbers: [23] 23,57 unequal: No Solution Exploring Operation: 55*32=1760, Resulting Numbers: [1760] 1760,57 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, 60, 12], Operations: ['40-28=12'] Exploring Operation: 60/15=4, Resulting Numbers: [12, 4] Generated Node #0,1,0: 57:[12, 4] Operation: 60/15=4 Exploring Operation: 60/12=5, Resulting Numbers: [15, 5] Generated Node #0,1,1: 57:[15, 5] Operation: 60/12=5 Exploring Operation: 15-12=3, Resulting Numbers: [60, 3] Generated Node #0,1,2: 57:[60, 3] Operation: 15-12=3 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 57:[60, 3], Operations: ['40-28=12', '15-12=3'] Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[28, 15, 40, 60], Operations: [] Exploring Operation: 40-28=12, Resulting Numbers: [15, 60, 12] Generated Node #0,1: 57:[15, 60, 12] Operation: 40-28=12 Moving to Node #0,1 Current State: 57:[15, 60, 12], Operations: ['40-28=12'] Exploring Operation: 15-12=3, Resulting Numbers: [60, 3] Generated Node #0,1,2: 57:[60, 3] Operation: 15-12=3 Moving to Node #0,1,2 Current State: 57:[60, 3], Operations: ['40-28=12', '15-12=3'] Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 45, 42, 51, 98 ]
55
[ "45-42=3", "51*3=153", "153-98=55" ]
Current State: 55:[45, 42, 51, 98], Operations: [] Exploring Operation: 45-42=3, Resulting Numbers: [51, 98, 3] Generated Node #2: [51, 98, 3] from Operation: 45-42=3 Current State: 55:[51, 98, 3], Operations: ['45-42=3'] Exploring Operation: 51*3=153, Resulting Numbers: [98, 153] Generated Node #3: [98, 153] from Operation: 51*3=153 Current State: 55:[98, 153], Operations: ['45-42=3', '51*3=153'] Exploring Operation: 153-98=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[45, 42, 51, 98], Operations: [] Exploring Operation: 98-42=56, Resulting Numbers: [45, 51, 56] Generated Node #0,0: 55:[45, 51, 56] Operation: 98-42=56 Exploring Operation: 51-42=9, Resulting Numbers: [45, 98, 9] Generated Node #0,1: 55:[45, 98, 9] Operation: 51-42=9 Exploring Operation: 98-51=47, Resulting Numbers: [45, 42, 47] Generated Node #0,2: 55:[45, 42, 47] Operation: 98-51=47 Exploring Operation: 45-42=3, Resulting Numbers: [51, 98, 3] Generated Node #0,3: 55:[51, 98, 3] Operation: 45-42=3 Exploring Operation: 98-45=53, Resulting Numbers: [42, 51, 53] Generated Node #0,4: 55:[42, 51, 53] Operation: 98-45=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[45, 51, 56], Operations: ['98-42=56'] Exploring Operation: 51-45=6, Resulting Numbers: [56, 6] Generated Node #0,0,0: 55:[56, 6] Operation: 51-45=6 Exploring Operation: 45+56=101, Resulting Numbers: [51, 101] Generated Node #0,0,1: 55:[51, 101] Operation: 45+56=101 Exploring Operation: 45+51=96, Resulting Numbers: [56, 96] Generated Node #0,0,2: 55:[56, 96] Operation: 45+51=96 Exploring Operation: 56-45=11, Resulting Numbers: [51, 11] Generated Node #0,0,3: 55:[51, 11] Operation: 56-45=11 Exploring Operation: 56-51=5, Resulting Numbers: [45, 5] Generated Node #0,0,4: 55:[45, 5] Operation: 56-51=5 Moving to Node #0,0,0 Current State: 55:[56, 6], Operations: ['98-42=56', '51-45=6'] Exploring Operation: 56*6=336, Resulting Numbers: [336] 336,55 unequal: No Solution Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,55 unequal: No Solution Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,55 unequal: No Solution Moving to Node #0,0,3 Current State: 55:[51, 11], Operations: ['98-42=56', '56-45=11'] Exploring Operation: 51+11=62, Resulting Numbers: [62] 62,55 unequal: No Solution Exploring Operation: 51*11=561, Resulting Numbers: [561] 561,55 unequal: No Solution Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,55 unequal: No Solution Moving to Node #0,0,4 Current State: 55:[45, 5], Operations: ['98-42=56', '56-51=5'] Exploring Operation: 45+5=50, Resulting Numbers: [50] 50,55 unequal: No Solution Exploring Operation: 45*5=225, Resulting Numbers: [225] 225,55 unequal: No Solution Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,55 unequal: No Solution Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,55 unequal: No Solution Moving to Node #0,0,2 Current State: 55:[56, 96], Operations: ['98-42=56', '45+51=96'] Exploring Operation: 96-56=40, Resulting Numbers: [40] 40,55 unequal: No Solution Exploring Operation: 56*96=5376, Resulting Numbers: [5376] 5376,55 unequal: No Solution Exploring Operation: 56+96=152, Resulting Numbers: [152] 152,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[51, 101], Operations: ['98-42=56', '45+56=101'] Exploring Operation: 51*101=5151, Resulting Numbers: [5151] 5151,55 unequal: No Solution Exploring Operation: 51+101=152, Resulting Numbers: [152] 152,55 unequal: No Solution Exploring Operation: 101-51=50, Resulting Numbers: [50] 50,55 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:[42, 51, 53], Operations: ['98-45=53'] Exploring Operation: 51-42=9, Resulting Numbers: [53, 9] Generated Node #0,4,0: 55:[53, 9] Operation: 51-42=9 Exploring Operation: 42+53=95, Resulting Numbers: [51, 95] Generated Node #0,4,1: 55:[51, 95] Operation: 42+53=95 Exploring Operation: 53-42=11, Resulting Numbers: [51, 11] Generated Node #0,4,2: 55:[51, 11] Operation: 53-42=11 Exploring Operation: 53-51=2, Resulting Numbers: [42, 2] Generated Node #0,4,3: 55:[42, 2] Operation: 53-51=2 Exploring Operation: 42+51=93, Resulting Numbers: [53, 93] Generated Node #0,4,4: 55:[53, 93] Operation: 42+51=93 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 55:[53, 9], Operations: ['98-45=53', '51-42=9'] Exploring Operation: 53-9=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 53+9=62, Resulting Numbers: [62] 62,55 unequal: No Solution Exploring Operation: 53*9=477, Resulting Numbers: [477] 477,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 55:[51, 11], Operations: ['98-45=53', '53-42=11'] Exploring Operation: 51*11=561, Resulting Numbers: [561] 561,55 unequal: No Solution Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,55 unequal: No Solution Exploring Operation: 51+11=62, Resulting Numbers: [62] 62,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 55:[42, 2], Operations: ['98-45=53', '53-51=2'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,55 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,55 unequal: No Solution Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,55 unequal: No Solution Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 55:[53, 93], Operations: ['98-45=53', '42+51=93'] Exploring Operation: 53+93=146, Resulting Numbers: [146] 146,55 unequal: No Solution Exploring Operation: 53*93=4929, Resulting Numbers: [4929] 4929,55 unequal: No Solution Exploring Operation: 93-53=40, Resulting Numbers: [40] 40,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 55:[51, 95], Operations: ['98-45=53', '42+53=95'] Exploring Operation: 51+95=146, Resulting Numbers: [146] 146,55 unequal: No Solution Exploring Operation: 95-51=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 51*95=4845, Resulting Numbers: [4845] 4845,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 55:[45, 42, 47], Operations: ['98-51=47'] Exploring Operation: 47-42=5, Resulting Numbers: [45, 5] Generated Node #0,2,0: 55:[45, 5] Operation: 47-42=5 Exploring Operation: 45-42=3, Resulting Numbers: [47, 3] Generated Node #0,2,1: 55:[47, 3] Operation: 45-42=3 Exploring Operation: 42+47=89, Resulting Numbers: [45, 89] Generated Node #0,2,2: 55:[45, 89] Operation: 42+47=89 Exploring Operation: 45+42=87, Resulting Numbers: [47, 87] Generated Node #0,2,3: 55:[47, 87] Operation: 45+42=87 Exploring Operation: 47-45=2, Resulting Numbers: [42, 2] Generated Node #0,2,4: 55:[42, 2] Operation: 47-45=2 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 55:[45, 5], Operations: ['98-51=47', '47-42=5'] Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,55 unequal: No Solution Exploring Operation: 45+5=50, Resulting Numbers: [50] 50,55 unequal: No Solution Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,55 unequal: No Solution Exploring Operation: 45*5=225, Resulting Numbers: [225] 225,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 55:[47, 3], Operations: ['98-51=47', '45-42=3'] Exploring Operation: 47+3=50, Resulting Numbers: [50] 50,55 unequal: No Solution Exploring Operation: 47*3=141, Resulting Numbers: [141] 141,55 unequal: No Solution Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 55:[42, 2], Operations: ['98-51=47', '47-45=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,55 unequal: No Solution Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,55 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 55:[47, 87], Operations: ['98-51=47', '45+42=87'] Exploring Operation: 47+87=134, Resulting Numbers: [134] 134,55 unequal: No Solution Exploring Operation: 47*87=4089, Resulting Numbers: [4089] 4089,55 unequal: No Solution Exploring Operation: 87-47=40, Resulting Numbers: [40] 40,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 55:[45, 89], Operations: ['98-51=47', '42+47=89'] Exploring Operation: 45*89=4005, Resulting Numbers: [4005] 4005,55 unequal: No Solution Exploring Operation: 89-45=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 45+89=134, Resulting Numbers: [134] 134,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 55:[51, 98, 3], Operations: ['45-42=3'] Exploring Operation: 51/3=17, Resulting Numbers: [98, 17] Generated Node #0,3,0: 55:[98, 17] Operation: 51/3=17 Exploring Operation: 51-3=48, Resulting Numbers: [98, 48] Generated Node #0,3,1: 55:[98, 48] Operation: 51-3=48 Exploring Operation: 98-3=95, Resulting Numbers: [51, 95] Generated Node #0,3,2: 55:[51, 95] Operation: 98-3=95 Exploring Operation: 98-51=47, Resulting Numbers: [3, 47] Generated Node #0,3,3: 55:[3, 47] Operation: 98-51=47 Exploring Operation: 51+3=54, Resulting Numbers: [98, 54] Generated Node #0,3,4: 55:[98, 54] Operation: 51+3=54 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 55:[3, 47], Operations: ['45-42=3', '98-51=47'] Exploring Operation: 3*47=141, Resulting Numbers: [141] 141,55 unequal: No Solution Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,55 unequal: No Solution Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 55:[51, 95], Operations: ['45-42=3', '98-3=95'] Exploring Operation: 51+95=146, Resulting Numbers: [146] 146,55 unequal: No Solution Exploring Operation: 51*95=4845, Resulting Numbers: [4845] 4845,55 unequal: No Solution Exploring Operation: 95-51=44, Resulting Numbers: [44] 44,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 55:[98, 54], Operations: ['45-42=3', '51+3=54'] Exploring Operation: 98+54=152, Resulting Numbers: [152] 152,55 unequal: No Solution Exploring Operation: 98-54=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 98*54=5292, Resulting Numbers: [5292] 5292,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 55:[98, 17], Operations: ['45-42=3', '51/3=17'] Exploring Operation: 98+17=115, Resulting Numbers: [115] 115,55 unequal: No Solution Exploring Operation: 98*17=1666, Resulting Numbers: [1666] 1666,55 unequal: No Solution Exploring Operation: 98-17=81, Resulting Numbers: [81] 81,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 55:[98, 48], Operations: ['45-42=3', '51-3=48'] Exploring Operation: 98*48=4704, Resulting Numbers: [4704] 4704,55 unequal: No Solution Exploring Operation: 98-48=50, Resulting Numbers: [50] 50,55 unequal: No Solution Exploring Operation: 98+48=146, Resulting Numbers: [146] 146,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[45, 98, 9], Operations: ['51-42=9'] Exploring Operation: 45+9=54, Resulting Numbers: [98, 54] Generated Node #0,1,0: 55:[98, 54] Operation: 45+9=54 Exploring Operation: 98-9=89, Resulting Numbers: [45, 89] Generated Node #0,1,1: 55:[45, 89] Operation: 98-9=89 Exploring Operation: 45-9=36, Resulting Numbers: [98, 36] Generated Node #0,1,2: 55:[98, 36] Operation: 45-9=36 Exploring Operation: 98-45=53, Resulting Numbers: [9, 53] Generated Node #0,1,3: 55:[9, 53] Operation: 98-45=53 Exploring Operation: 45/9=5, Resulting Numbers: [98, 5] Generated Node #0,1,4: 55:[98, 5] Operation: 45/9=5 Moving to Node #0,1,3 Current State: 55:[9, 53], Operations: ['51-42=9', '98-45=53'] Exploring Operation: 9*53=477, Resulting Numbers: [477] 477,55 unequal: No Solution Exploring Operation: 53-9=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 9+53=62, Resulting Numbers: [62] 62,55 unequal: No Solution Moving to Node #0,1,4 Current State: 55:[98, 5], Operations: ['51-42=9', '45/9=5'] Exploring Operation: 98*5=490, Resulting Numbers: [490] 490,55 unequal: No Solution Exploring Operation: 98+5=103, Resulting Numbers: [103] 103,55 unequal: No Solution Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,55 unequal: No Solution Moving to Node #0,1,0 Current State: 55:[98, 54], Operations: ['51-42=9', '45+9=54'] Exploring Operation: 98*54=5292, Resulting Numbers: [5292] 5292,55 unequal: No Solution Exploring Operation: 98-54=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 98+54=152, Resulting Numbers: [152] 152,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[45, 89], Operations: ['51-42=9', '98-9=89'] Exploring Operation: 89-45=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 45*89=4005, Resulting Numbers: [4005] 4005,55 unequal: No Solution Exploring Operation: 45+89=134, Resulting Numbers: [134] 134,55 unequal: No Solution Moving to Node #0,1,2 Current State: 55:[98, 36], Operations: ['51-42=9', '45-9=36'] Exploring Operation: 98-36=62, Resulting Numbers: [62] 62,55 unequal: No Solution Exploring Operation: 98+36=134, Resulting Numbers: [134] 134,55 unequal: No Solution Exploring Operation: 98*36=3528, Resulting Numbers: [3528] 3528,55 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
[ 50, 2, 3, 35 ]
20
[ "50+2=52", "35-3=32", "52-32=20" ]
Current State: 20:[50, 2, 3, 35], Operations: [] Exploring Operation: 50+2=52, Resulting Numbers: [3, 35, 52] Generated Node #2: [3, 35, 52] from Operation: 50+2=52 Current State: 20:[3, 35, 52], Operations: ['50+2=52'] Exploring Operation: 35-3=32, Resulting Numbers: [52, 32] Generated Node #3: [52, 32] from Operation: 35-3=32 Current State: 20:[52, 32], Operations: ['50+2=52', '35-3=32'] Exploring Operation: 52-32=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[50, 2, 3, 35], Operations: [] Exploring Operation: 50-35=15, Resulting Numbers: [2, 3, 15] Generated Node #0,0: 20:[2, 3, 15] Operation: 50-35=15 Exploring Operation: 50/2=25, Resulting Numbers: [3, 35, 25] Generated Node #0,1: 20:[3, 35, 25] Operation: 50/2=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[2, 3, 15], Operations: ['50-35=15'] Exploring Operation: 3+15=18, Resulting Numbers: [2, 18] Generated Node #0,0,0: 20:[2, 18] Operation: 3+15=18 Exploring Operation: 15/3=5, Resulting Numbers: [2, 5] Generated Node #0,0,1: 20:[2, 5] Operation: 15/3=5 Moving to Node #0,0,1 Current State: 20:[2, 5], Operations: ['50-35=15', '15/3=5'] Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,20 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[2, 18], Operations: ['50-35=15', '3+15=18'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[50, 2, 3, 35], Operations: [] Exploring Operation: 50-35=15, Resulting Numbers: [2, 3, 15] Generated Node #0,0: 20:[2, 3, 15] Operation: 50-35=15 Moving to Node #0,0 Current State: 20:[2, 3, 15], Operations: ['50-35=15'] Exploring Operation: 3+15=18, Resulting Numbers: [2, 18] Generated Node #0,0,0: 20:[2, 18] Operation: 3+15=18 Moving to Node #0,0,0 Current State: 20:[2, 18], Operations: ['50-35=15', '3+15=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 95, 45, 88, 45 ]
95
[ "45-45=0", "88*0=0", "95+0=95" ]
Current State: 95:[95, 45, 88, 45], Operations: [] Exploring Operation: 45-45=0, Resulting Numbers: [95, 88, 0] Generated Node #2: [95, 88, 0] from Operation: 45-45=0 Current State: 95:[95, 88, 0], Operations: ['45-45=0'] Exploring Operation: 88*0=0, Resulting Numbers: [95, 0] Generated Node #3: [95, 0] from Operation: 88*0=0 Current State: 95:[95, 0], Operations: ['45-45=0', '88*0=0'] Exploring Operation: 95+0=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[95, 45, 88, 45], Operations: [] Exploring Operation: 45+45=90, Resulting Numbers: [95, 88, 90] Generated Node #0,0: 95:[95, 88, 90] Operation: 45+45=90 Exploring Operation: 88-45=43, Resulting Numbers: [95, 45, 43] Generated Node #0,1: 95:[95, 45, 43] Operation: 88-45=43 Exploring Operation: 45/45=1, Resulting Numbers: [95, 88, 1] Generated Node #0,2: 95:[95, 88, 1] Operation: 45/45=1 Exploring Operation: 45-45=0, Resulting Numbers: [95, 88, 0] Generated Node #0,3: 95:[95, 88, 0] Operation: 45-45=0 Exploring Operation: 88-45=43, Resulting Numbers: [95, 45, 43] Generated Node #0,4: 95:[95, 45, 43] Operation: 88-45=43 Start Sub Search at level 1: Moving to Node #0,2 Current State: 95:[95, 88, 1], Operations: ['45/45=1'] Exploring Operation: 95*1=95, Resulting Numbers: [88, 95] Generated Node #0,2,0: 95:[88, 95] Operation: 95*1=95 Exploring Operation: 88+1=89, Resulting Numbers: [95, 89] Generated Node #0,2,1: 95:[95, 89] Operation: 88+1=89 Exploring Operation: 88*1=88, Resulting Numbers: [95, 88] Generated Node #0,2,2: 95:[95, 88] Operation: 88*1=88 Exploring Operation: 95-88=7, Resulting Numbers: [1, 7] Generated Node #0,2,3: 95:[1, 7] Operation: 95-88=7 Exploring Operation: 95/1=95, Resulting Numbers: [88, 95] Generated Node #0,2,4: 95:[88, 95] Operation: 95/1=95 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 95:[95, 89], Operations: ['45/45=1', '88+1=89'] Exploring Operation: 95*89=8455, Resulting Numbers: [8455] 8455,95 unequal: No Solution Exploring Operation: 95-89=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 95+89=184, Resulting Numbers: [184] 184,95 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 #0,2,3 Current State: 95:[1, 7], Operations: ['45/45=1', '95-88=7'] Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,95 unequal: No Solution Exploring Operation: 1+7=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 1*7=7, Resulting Numbers: [7] 7,95 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 #0,2,0 Current State: 95:[88, 95], Operations: ['45/45=1', '95*1=95'] Exploring Operation: 88*95=8360, Resulting Numbers: [8360] 8360,95 unequal: No Solution Exploring Operation: 95-88=7, Resulting Numbers: [7] 7,95 unequal: No Solution Exploring Operation: 88+95=183, Resulting Numbers: [183] 183,95 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 #0,2,2 Current State: 95:[95, 88], Operations: ['45/45=1', '88*1=88'] Exploring Operation: 95*88=8360, Resulting Numbers: [8360] 8360,95 unequal: No Solution Exploring Operation: 95-88=7, Resulting Numbers: [7] 7,95 unequal: No Solution Exploring Operation: 95+88=183, Resulting Numbers: [183] 183,95 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 #0,2,4 Current State: 95:[88, 95], Operations: ['45/45=1', '95/1=95'] Exploring Operation: 88*95=8360, Resulting Numbers: [8360] 8360,95 unequal: No Solution Exploring Operation: 95-88=7, Resulting Numbers: [7] 7,95 unequal: No Solution Exploring Operation: 88+95=183, Resulting Numbers: [183] 183,95 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:[95, 88, 90], Operations: ['45+45=90'] Exploring Operation: 90-88=2, Resulting Numbers: [95, 2] Generated Node #0,0,0: 95:[95, 2] Operation: 90-88=2 Exploring Operation: 95-90=5, Resulting Numbers: [88, 5] Generated Node #0,0,1: 95:[88, 5] Operation: 95-90=5 Exploring Operation: 95+88=183, Resulting Numbers: [90, 183] Generated Node #0,0,2: 95:[90, 183] Operation: 95+88=183 Exploring Operation: 95-88=7, Resulting Numbers: [90, 7] Generated Node #0,0,3: 95:[90, 7] Operation: 95-88=7 Exploring Operation: 88+90=178, Resulting Numbers: [95, 178] Generated Node #0,0,4: 95:[95, 178] Operation: 88+90=178 Moving to Node #0,0,0 Current State: 95:[95, 2], Operations: ['45+45=90', '90-88=2'] Exploring Operation: 95*2=190, Resulting Numbers: [190] 190,95 unequal: No Solution Exploring Operation: 95+2=97, Resulting Numbers: [97] 97,95 unequal: No Solution Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,95 unequal: No Solution Moving to Node #0,0,3 Current State: 95:[90, 7], Operations: ['45+45=90', '95-88=7'] Exploring Operation: 90-7=83, Resulting Numbers: [83] 83,95 unequal: No Solution Exploring Operation: 90+7=97, Resulting Numbers: [97] 97,95 unequal: No Solution Exploring Operation: 90*7=630, Resulting Numbers: [630] 630,95 unequal: No Solution Moving to Node #0,0,1 Current State: 95:[88, 5], Operations: ['45+45=90', '95-90=5'] Exploring Operation: 88-5=83, Resulting Numbers: [83] 83,95 unequal: No Solution Exploring Operation: 88+5=93, Resulting Numbers: [93] 93,95 unequal: No Solution Exploring Operation: 88*5=440, Resulting Numbers: [440] 440,95 unequal: No Solution Moving to Node #0,0,4 Current State: 95:[95, 178], Operations: ['45+45=90', '88+90=178'] Exploring Operation: 95+178=273, Resulting Numbers: [273] 273,95 unequal: No Solution Exploring Operation: 178-95=83, Resulting Numbers: [83] 83,95 unequal: No Solution Exploring Operation: 95*178=16910, Resulting Numbers: [16910] 16910,95 unequal: No Solution Moving to Node #0,0,2 Current State: 95:[90, 183], Operations: ['45+45=90', '95+88=183'] Exploring Operation: 90*183=16470, Resulting Numbers: [16470] 16470,95 unequal: No Solution Exploring Operation: 183-90=93, Resulting Numbers: [93] 93,95 unequal: No Solution Exploring Operation: 90+183=273, Resulting Numbers: [273] 273,95 unequal: No Solution No 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: 95:[95, 88, 0], Operations: ['45-45=0'] Exploring Operation: 88*0=0, Resulting Numbers: [95, 0] Generated Node #0,3,0: 95:[95, 0] Operation: 88*0=0 Exploring Operation: 95-88=7, Resulting Numbers: [0, 7] Generated Node #0,3,1: 95:[0, 7] Operation: 95-88=7 Exploring Operation: 88+0=88, Resulting Numbers: [95, 88] Generated Node #0,3,2: 95:[95, 88] Operation: 88+0=88 Exploring Operation: 95+0=95, Resulting Numbers: [88, 95] Generated Node #0,3,3: 95:[88, 95] Operation: 95+0=95 Exploring Operation: 95-0=95, Resulting Numbers: [88, 95] Generated Node #0,3,4: 95:[88, 95] Operation: 95-0=95 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 95:[95, 0], Operations: ['45-45=0', '88*0=0'] Exploring Operation: 95-0=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[95, 45, 88, 45], Operations: [] Exploring Operation: 45-45=0, Resulting Numbers: [95, 88, 0] Generated Node #0,3: 95:[95, 88, 0] Operation: 45-45=0 Moving to Node #0,3 Current State: 95:[95, 88, 0], Operations: ['45-45=0'] Exploring Operation: 88*0=0, Resulting Numbers: [95, 0] Generated Node #0,3,0: 95:[95, 0] Operation: 88*0=0 Moving to Node #0,3,0 Current State: 95:[95, 0], Operations: ['45-45=0', '88*0=0'] Exploring Operation: 95-0=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.951389
hs_5
sum_heuristic
[ 60, 2, 34, 82 ]
10
[ "60-2=58", "82-34=48", "58-48=10" ]
Current State: 10:[60, 2, 34, 82], Operations: [] Exploring Operation: 60-2=58, Resulting Numbers: [34, 82, 58] Generated Node #2: [34, 82, 58] from Operation: 60-2=58 Current State: 10:[34, 82, 58], Operations: ['60-2=58'] Exploring Operation: 82-34=48, Resulting Numbers: [58, 48] Generated Node #3: [58, 48] from Operation: 82-34=48 Current State: 10:[58, 48], Operations: ['60-2=58', '82-34=48'] Exploring Operation: 58-48=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[60, 2, 34, 82], Operations: [] Exploring Operation: 82/2=41, Resulting Numbers: [60, 34, 41] Generated Node #0,0: 10:[60, 34, 41] Operation: 82/2=41 Exploring Operation: 82-60=22, Resulting Numbers: [2, 34, 22] Generated Node #0,1: 10:[2, 34, 22] Operation: 82-60=22 Exploring Operation: 82-34=48, Resulting Numbers: [60, 2, 48] Generated Node #0,2: 10:[60, 2, 48] Operation: 82-34=48 Exploring Operation: 60-34=26, Resulting Numbers: [2, 82, 26] Generated Node #0,3: 10:[2, 82, 26] Operation: 60-34=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[2, 34, 22], Operations: ['82-60=22'] Exploring Operation: 34/2=17, Resulting Numbers: [22, 17] Generated Node #0,1,0: 10:[22, 17] Operation: 34/2=17 Exploring Operation: 34-22=12, Resulting Numbers: [2, 12] Generated Node #0,1,1: 10:[2, 12] Operation: 34-22=12 Exploring Operation: 34-2=32, Resulting Numbers: [22, 32] Generated Node #0,1,2: 10:[22, 32] Operation: 34-2=32 Exploring Operation: 22/2=11, Resulting Numbers: [34, 11] Generated Node #0,1,3: 10:[34, 11] Operation: 22/2=11 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 10:[2, 12], Operations: ['82-60=22', '34-22=12'] Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,10 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[60, 2, 34, 82], Operations: [] Exploring Operation: 82-60=22, Resulting Numbers: [2, 34, 22] Generated Node #0,1: 10:[2, 34, 22] Operation: 82-60=22 Moving to Node #0,1 Current State: 10:[2, 34, 22], Operations: ['82-60=22'] Exploring Operation: 34-22=12, Resulting Numbers: [2, 12] Generated Node #0,1,1: 10:[2, 12] Operation: 34-22=12 Moving to Node #0,1,1 Current State: 10:[2, 12], Operations: ['82-60=22', '34-22=12'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 16, 49, 44, 49 ]
13
[ "16+49=65", "49-44=5", "65/5=13" ]
Current State: 13:[16, 49, 44, 49], Operations: [] Exploring Operation: 16+49=65, Resulting Numbers: [44, 65] Generated Node #2: [44, 65] from Operation: 16+49=65 Current State: 13:[44, 65], Operations: ['16+49=65'] Exploring Operation: 49-44=5, Resulting Numbers: [65, 5] Generated Node #3: [65, 5] from Operation: 49-44=5 Current State: 13:[65, 5], Operations: ['16+49=65', '49-44=5'] Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[16, 49, 44, 49], Operations: [] Exploring Operation: 49-44=5, Resulting Numbers: [16, 49, 5] Generated Node #0,0: 13:[16, 49, 5] Operation: 49-44=5 Exploring Operation: 49-16=33, Resulting Numbers: [44, 49, 33] Generated Node #0,1: 13:[44, 49, 33] Operation: 49-16=33 Exploring Operation: 49-44=5, Resulting Numbers: [16, 49, 5] Generated Node #0,2: 13:[16, 49, 5] Operation: 49-44=5 Exploring Operation: 49-49=0, Resulting Numbers: [16, 44, 0] Generated Node #0,3: 13:[16, 44, 0] Operation: 49-49=0 Exploring Operation: 49/49=1, Resulting Numbers: [16, 44, 1] Generated Node #0,4: 13:[16, 44, 1] Operation: 49/49=1 Moving to Node #0,4 Current State: 13:[16, 44, 1], Operations: ['49/49=1'] Exploring Operation: 16-1=15, Resulting Numbers: [44, 15] Generated Node #0,4,0: 13:[44, 15] Operation: 16-1=15 Exploring Operation: 16/1=16, Resulting Numbers: [44, 16] Generated Node #0,4,1: 13:[44, 16] Operation: 16/1=16 Exploring Operation: 44-16=28, Resulting Numbers: [1, 28] Generated Node #0,4,2: 13:[1, 28] Operation: 44-16=28 Exploring Operation: 16*1=16, Resulting Numbers: [44, 16] Generated Node #0,4,3: 13:[44, 16] Operation: 16*1=16 Exploring Operation: 44-1=43, Resulting Numbers: [16, 43] Generated Node #0,4,4: 13:[16, 43] Operation: 44-1=43 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 13:[1, 28], Operations: ['49/49=1', '44-16=28'] Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 1+28=29, Resulting Numbers: [29] 29,13 unequal: No Solution Exploring Operation: 1*28=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 13:[44, 15], Operations: ['49/49=1', '16-1=15'] Exploring Operation: 44*15=660, Resulting Numbers: [660] 660,13 unequal: No Solution Exploring Operation: 44+15=59, Resulting Numbers: [59] 59,13 unequal: No Solution Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 13:[16, 43], Operations: ['49/49=1', '44-1=43'] Exploring Operation: 43-16=27, Resulting Numbers: [27] 27,13 unequal: No Solution Exploring Operation: 16+43=59, Resulting Numbers: [59] 59,13 unequal: No Solution Exploring Operation: 16*43=688, Resulting Numbers: [688] 688,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 13:[44, 16], Operations: ['49/49=1', '16/1=16'] Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 44*16=704, Resulting Numbers: [704] 704,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 13:[44, 16], Operations: ['49/49=1', '16*1=16'] Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 44*16=704, Resulting Numbers: [704] 704,13 unequal: No Solution Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 13:[16, 49, 5], Operations: ['49-44=5'] Exploring Operation: 49-16=33, Resulting Numbers: [5, 33] Generated Node #0,2,0: 13:[5, 33] Operation: 49-16=33 Exploring Operation: 16+5=21, Resulting Numbers: [49, 21] Generated Node #0,2,1: 13:[49, 21] Operation: 16+5=21 Exploring Operation: 49+5=54, Resulting Numbers: [16, 54] Generated Node #0,2,2: 13:[16, 54] Operation: 49+5=54 Exploring Operation: 49-5=44, Resulting Numbers: [16, 44] Generated Node #0,2,3: 13:[16, 44] Operation: 49-5=44 Exploring Operation: 16-5=11, Resulting Numbers: [49, 11] Generated Node #0,2,4: 13:[49, 11] Operation: 16-5=11 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 13:[5, 33], Operations: ['49-44=5', '49-16=33'] Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 5*33=165, Resulting Numbers: [165] 165,13 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 13:[16, 44], Operations: ['49-44=5', '49-5=44'] Exploring Operation: 16*44=704, Resulting Numbers: [704] 704,13 unequal: No Solution Exploring Operation: 16+44=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 13:[49, 11], Operations: ['49-44=5', '16-5=11'] Exploring Operation: 49+11=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 49*11=539, Resulting Numbers: [539] 539,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 13:[49, 21], Operations: ['49-44=5', '16+5=21'] Exploring Operation: 49+21=70, Resulting Numbers: [70] 70,13 unequal: No Solution Exploring Operation: 49*21=1029, Resulting Numbers: [1029] 1029,13 unequal: No Solution Exploring Operation: 49-21=28, Resulting Numbers: [28] 28,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 13:[16, 54], Operations: ['49-44=5', '49+5=54'] Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 16*54=864, Resulting Numbers: [864] 864,13 unequal: No Solution Exploring Operation: 16+54=70, Resulting Numbers: [70] 70,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 13:[16, 49, 5], Operations: ['49-44=5'] Exploring Operation: 49+5=54, Resulting Numbers: [16, 54] Generated Node #0,0,0: 13:[16, 54] Operation: 49+5=54 Exploring Operation: 49-16=33, Resulting Numbers: [5, 33] Generated Node #0,0,1: 13:[5, 33] Operation: 49-16=33 Exploring Operation: 16+5=21, Resulting Numbers: [49, 21] Generated Node #0,0,2: 13:[49, 21] Operation: 16+5=21 Exploring Operation: 49-5=44, Resulting Numbers: [16, 44] Generated Node #0,0,3: 13:[16, 44] Operation: 49-5=44 Exploring Operation: 16-5=11, Resulting Numbers: [49, 11] Generated Node #0,0,4: 13:[49, 11] Operation: 16-5=11 Moving to Node #0,3 Current State: 13:[16, 44, 0], Operations: ['49-49=0'] Exploring Operation: 44-16=28, Resulting Numbers: [0, 28] Generated Node #0,3,0: 13:[0, 28] Operation: 44-16=28 Exploring Operation: 16+0=16, Resulting Numbers: [44, 16] Generated Node #0,3,1: 13:[44, 16] Operation: 16+0=16 Exploring Operation: 44+0=44, Resulting Numbers: [16, 44] Generated Node #0,3,2: 13:[16, 44] Operation: 44+0=44 Exploring Operation: 16-0=16, Resulting Numbers: [44, 16] Generated Node #0,3,3: 13:[44, 16] Operation: 16-0=16 Exploring Operation: 44*0=0, Resulting Numbers: [16, 0] Generated Node #0,3,4: 13:[16, 0] Operation: 44*0=0 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 13:[16, 0], Operations: ['49-49=0', '44*0=0'] Exploring Operation: 16+0=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 16-0=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 16*0=0, Resulting Numbers: [0] 0,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 13:[0, 28], Operations: ['49-49=0', '44-16=28'] Exploring Operation: 28-0=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 0+28=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 0*28=0, Resulting Numbers: [0] 0,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 13:[44, 16], Operations: ['49-49=0', '16+0=16'] Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 44*16=704, Resulting Numbers: [704] 704,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 13:[16, 44], Operations: ['49-49=0', '44+0=44'] Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 16+44=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 16*44=704, Resulting Numbers: [704] 704,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 13:[44, 16], Operations: ['49-49=0', '16-0=16'] Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 44*16=704, Resulting Numbers: [704] 704,13 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 13:[44, 49, 33], Operations: ['49-16=33'] Exploring Operation: 44+33=77, Resulting Numbers: [49, 77] Generated Node #0,1,0: 13:[49, 77] Operation: 44+33=77 Exploring Operation: 49-33=16, Resulting Numbers: [44, 16] Generated Node #0,1,1: 13:[44, 16] Operation: 49-33=16 Exploring Operation: 49-44=5, Resulting Numbers: [33, 5] Generated Node #0,1,2: 13:[33, 5] Operation: 49-44=5 Exploring Operation: 44-33=11, Resulting Numbers: [49, 11] Generated Node #0,1,3: 13:[49, 11] Operation: 44-33=11 Exploring Operation: 44+49=93, Resulting Numbers: [33, 93] Generated Node #0,1,4: 13:[33, 93] Operation: 44+49=93 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 13:[33, 5], Operations: ['49-16=33', '49-44=5'] Exploring Operation: 33+5=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 33*5=165, Resulting Numbers: [165] 165,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 13:[44, 16], Operations: ['49-16=33', '49-33=16'] Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 44*16=704, Resulting Numbers: [704] 704,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 13:[49, 11], Operations: ['49-16=33', '44-33=11'] Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 49*11=539, Resulting Numbers: [539] 539,13 unequal: No Solution Exploring Operation: 49+11=60, Resulting Numbers: [60] 60,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[49, 77], Operations: ['49-16=33', '44+33=77'] Exploring Operation: 49*77=3773, Resulting Numbers: [3773] 3773,13 unequal: No Solution Exploring Operation: 77-49=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 49+77=126, Resulting Numbers: [126] 126,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 13:[33, 93], Operations: ['49-16=33', '44+49=93'] Exploring Operation: 33+93=126, Resulting Numbers: [126] 126,13 unequal: No Solution Exploring Operation: 93-33=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 33*93=3069, Resulting Numbers: [3069] 3069,13 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: 13:[5, 33], Operations: ['49-44=5', '49-16=33'] Exploring Operation: 5*33=165, Resulting Numbers: [165] 165,13 unequal: No Solution Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,13 unequal: No Solution Moving to Node #0,0,3 Current State: 13:[16, 44], Operations: ['49-44=5', '49-5=44'] Exploring Operation: 16+44=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 16*44=704, Resulting Numbers: [704] 704,13 unequal: No Solution Moving to Node #0,0,4 Current State: 13:[49, 11], Operations: ['49-44=5', '16-5=11'] Exploring Operation: 49+11=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 49*11=539, Resulting Numbers: [539] 539,13 unequal: No Solution Moving to Node #0,0,0 Current State: 13:[16, 54], Operations: ['49-44=5', '49+5=54'] Exploring Operation: 16*54=864, Resulting Numbers: [864] 864,13 unequal: No Solution Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 16+54=70, Resulting Numbers: [70] 70,13 unequal: No Solution Moving to Node #0,0,2 Current State: 13:[49, 21], Operations: ['49-44=5', '16+5=21'] Exploring Operation: 49-21=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 49*21=1029, Resulting Numbers: [1029] 1029,13 unequal: No Solution Exploring Operation: 49+21=70, Resulting Numbers: [70] 70,13 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 29, 93, 3, 54 ]
27
[ "93/3=31", "31-29=2", "54/2=27" ]
Current State: 27:[29, 93, 3, 54], Operations: [] Exploring Operation: 93/3=31, Resulting Numbers: [29, 54, 31] Generated Node #2: [29, 54, 31] from Operation: 93/3=31 Current State: 27:[29, 54, 31], Operations: ['93/3=31'] Exploring Operation: 31-29=2, Resulting Numbers: [54, 2] Generated Node #3: [54, 2] from Operation: 31-29=2 Current State: 27:[54, 2], Operations: ['93/3=31', '31-29=2'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[29, 93, 3, 54], Operations: [] Exploring Operation: 93-54=39, Resulting Numbers: [29, 3, 39] Generated Node #0,0: 27:[29, 3, 39] Operation: 93-54=39 Exploring Operation: 93/3=31, Resulting Numbers: [29, 54, 31] Generated Node #0,1: 27:[29, 54, 31] Operation: 93/3=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[29, 3, 39], Operations: ['93-54=39'] Exploring Operation: 39/3=13, Resulting Numbers: [29, 13] Generated Node #0,0,0: 27:[29, 13] Operation: 39/3=13 Exploring Operation: 39-29=10, Resulting Numbers: [3, 10] Generated Node #0,0,1: 27:[3, 10] Operation: 39-29=10 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 27:[3, 10], Operations: ['93-54=39', '39-29=10'] Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,27 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[29, 13], Operations: ['93-54=39', '39/3=13'] Exploring Operation: 29+13=42, Resulting Numbers: [42] 42,27 unequal: No Solution Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[29, 54, 31], Operations: ['93/3=31'] Exploring Operation: 54-29=25, Resulting Numbers: [31, 25] Generated Node #0,1,0: 27:[31, 25] Operation: 54-29=25 Exploring Operation: 54-31=23, Resulting Numbers: [29, 23] Generated Node #0,1,1: 27:[29, 23] Operation: 54-31=23 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 27:[31, 25], Operations: ['93/3=31', '54-29=25'] Exploring Operation: 31-25=6, Resulting Numbers: [6] 6,27 unequal: No Solution Exploring Operation: 31+25=56, Resulting Numbers: [56] 56,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 27:[29, 23], Operations: ['93/3=31', '54-31=23'] Exploring Operation: 29+23=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 26, 36, 13, 59 ]
97
[ "26/13=2", "36+59=95", "2+95=97" ]
Current State: 97:[26, 36, 13, 59], Operations: [] Exploring Operation: 26/13=2, Resulting Numbers: [36, 59, 2] Generated Node #2: [36, 59, 2] from Operation: 26/13=2 Current State: 97:[36, 59, 2], Operations: ['26/13=2'] Exploring Operation: 36+59=95, Resulting Numbers: [2, 95] Generated Node #3: [2, 95] from Operation: 36+59=95 Current State: 97:[2, 95], Operations: ['26/13=2', '36+59=95'] Exploring Operation: 2+95=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[26, 36, 13, 59], Operations: [] Exploring Operation: 26+36=62, Resulting Numbers: [13, 59, 62] Generated Node #0,0: 97:[13, 59, 62] Operation: 26+36=62 Exploring Operation: 26+13=39, Resulting Numbers: [36, 59, 39] Generated Node #0,1: 97:[36, 59, 39] Operation: 26+13=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[13, 59, 62], Operations: ['26+36=62'] Exploring Operation: 13+62=75, Resulting Numbers: [59, 75] Generated Node #0,0,0: 97:[59, 75] Operation: 13+62=75 Exploring Operation: 13+59=72, Resulting Numbers: [62, 72] Generated Node #0,0,1: 97:[62, 72] Operation: 13+59=72 Moving to Node #0,0,0 Current State: 97:[59, 75], Operations: ['26+36=62', '13+62=75'] Exploring Operation: 75-59=16, Resulting Numbers: [16] 16,97 unequal: No Solution Exploring Operation: 59+75=134, Resulting Numbers: [134] 134,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[62, 72], Operations: ['26+36=62', '13+59=72'] Exploring Operation: 72-62=10, Resulting Numbers: [10] 10,97 unequal: No Solution Exploring Operation: 62+72=134, Resulting Numbers: [134] 134,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[36, 59, 39], Operations: ['26+13=39'] Exploring Operation: 36+39=75, Resulting Numbers: [59, 75] Generated Node #0,1,0: 97:[59, 75] Operation: 36+39=75 Exploring Operation: 36+59=95, Resulting Numbers: [39, 95] Generated Node #0,1,1: 97:[39, 95] Operation: 36+59=95 Moving to Node #0,1,0 Current State: 97:[59, 75], Operations: ['26+13=39', '36+39=75'] Exploring Operation: 59+75=134, Resulting Numbers: [134] 134,97 unequal: No Solution Exploring Operation: 75-59=16, Resulting Numbers: [16] 16,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[39, 95], Operations: ['26+13=39', '36+59=95'] Exploring Operation: 95-39=56, Resulting Numbers: [56] 56,97 unequal: No Solution Exploring Operation: 39+95=134, Resulting Numbers: [134] 134,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 89, 50, 44, 30 ]
94
[ "50-44=6", "30/6=5", "89+5=94" ]
Current State: 94:[89, 50, 44, 30], Operations: [] Exploring Operation: 50-44=6, Resulting Numbers: [89, 30, 6] Generated Node #2: [89, 30, 6] from Operation: 50-44=6 Current State: 94:[89, 30, 6], Operations: ['50-44=6'] Exploring Operation: 30/6=5, Resulting Numbers: [89, 5] Generated Node #3: [89, 5] from Operation: 30/6=5 Current State: 94:[89, 5], Operations: ['50-44=6', '30/6=5'] Exploring Operation: 89+5=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[89, 50, 44, 30], Operations: [] Exploring Operation: 50+30=80, Resulting Numbers: [89, 44, 80] Generated Node #0,0: 94:[89, 44, 80] Operation: 50+30=80 Exploring Operation: 44-30=14, Resulting Numbers: [89, 50, 14] Generated Node #0,1: 94:[89, 50, 14] Operation: 44-30=14 Exploring Operation: 89-30=59, Resulting Numbers: [50, 44, 59] Generated Node #0,2: 94:[50, 44, 59] Operation: 89-30=59 Exploring Operation: 89-44=45, Resulting Numbers: [50, 30, 45] Generated Node #0,3: 94:[50, 30, 45] Operation: 89-44=45 Exploring Operation: 50+44=94, Resulting Numbers: [89, 30, 94] Generated Node #0,4: 94:[89, 30, 94] Operation: 50+44=94 Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[50, 44, 59], Operations: ['89-30=59'] Exploring Operation: 50-44=6, Resulting Numbers: [59, 6] Generated Node #0,2,0: 94:[59, 6] Operation: 50-44=6 Exploring Operation: 59-50=9, Resulting Numbers: [44, 9] Generated Node #0,2,1: 94:[44, 9] Operation: 59-50=9 Exploring Operation: 59-44=15, Resulting Numbers: [50, 15] Generated Node #0,2,2: 94:[50, 15] Operation: 59-44=15 Exploring Operation: 44+59=103, Resulting Numbers: [50, 103] Generated Node #0,2,3: 94:[50, 103] Operation: 44+59=103 Exploring Operation: 50+44=94, Resulting Numbers: [59, 94] Generated Node #0,2,4: 94:[59, 94] Operation: 50+44=94 Moving to Node #0,2,1 Current State: 94:[44, 9], Operations: ['89-30=59', '59-50=9'] Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,94 unequal: No Solution Exploring Operation: 44*9=396, Resulting Numbers: [396] 396,94 unequal: No Solution Exploring Operation: 44+9=53, Resulting Numbers: [53] 53,94 unequal: No Solution Moving to Node #0,2,4 Current State: 94:[59, 94], Operations: ['89-30=59', '50+44=94'] Exploring Operation: 94-59=35, Resulting Numbers: [35] 35,94 unequal: No Solution Exploring Operation: 59+94=153, Resulting Numbers: [153] 153,94 unequal: No Solution Exploring Operation: 59*94=5546, Resulting Numbers: [5546] 5546,94 unequal: No Solution Moving to Node #0,2,3 Current State: 94:[50, 103], Operations: ['89-30=59', '44+59=103'] Exploring Operation: 50*103=5150, Resulting Numbers: [5150] 5150,94 unequal: No Solution Exploring Operation: 103-50=53, Resulting Numbers: [53] 53,94 unequal: No Solution Exploring Operation: 50+103=153, Resulting Numbers: [153] 153,94 unequal: No Solution Moving to Node #0,2,0 Current State: 94:[59, 6], Operations: ['89-30=59', '50-44=6'] Exploring Operation: 59*6=354, Resulting Numbers: [354] 354,94 unequal: No Solution Exploring Operation: 59-6=53, Resulting Numbers: [53] 53,94 unequal: No Solution Exploring Operation: 59+6=65, Resulting Numbers: [65] 65,94 unequal: No Solution Moving to Node #0,2,2 Current State: 94:[50, 15], Operations: ['89-30=59', '59-44=15'] Exploring Operation: 50+15=65, Resulting Numbers: [65] 65,94 unequal: No Solution Exploring Operation: 50-15=35, Resulting Numbers: [35] 35,94 unequal: No Solution Exploring Operation: 50*15=750, Resulting Numbers: [750] 750,94 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 #0,1 Current State: 94:[89, 50, 14], Operations: ['44-30=14'] Exploring Operation: 89-14=75, Resulting Numbers: [50, 75] Generated Node #0,1,0: 94:[50, 75] Operation: 89-14=75 Exploring Operation: 50+14=64, Resulting Numbers: [89, 64] Generated Node #0,1,1: 94:[89, 64] Operation: 50+14=64 Exploring Operation: 89+14=103, Resulting Numbers: [50, 103] Generated Node #0,1,2: 94:[50, 103] Operation: 89+14=103 Exploring Operation: 50-14=36, Resulting Numbers: [89, 36] Generated Node #0,1,3: 94:[89, 36] Operation: 50-14=36 Exploring Operation: 89-50=39, Resulting Numbers: [14, 39] Generated Node #0,1,4: 94:[14, 39] Operation: 89-50=39 Moving to Node #0,1,2 Current State: 94:[50, 103], Operations: ['44-30=14', '89+14=103'] Exploring Operation: 103-50=53, Resulting Numbers: [53] 53,94 unequal: No Solution Exploring Operation: 50*103=5150, Resulting Numbers: [5150] 5150,94 unequal: No Solution Exploring Operation: 50+103=153, Resulting Numbers: [153] 153,94 unequal: No Solution Moving to Node #0,1,3 Current State: 94:[89, 36], Operations: ['44-30=14', '50-14=36'] Exploring Operation: 89*36=3204, Resulting Numbers: [3204] 3204,94 unequal: No Solution Exploring Operation: 89+36=125, Resulting Numbers: [125] 125,94 unequal: No Solution Exploring Operation: 89-36=53, Resulting Numbers: [53] 53,94 unequal: No Solution Moving to Node #0,1,4 Current State: 94:[14, 39], Operations: ['44-30=14', '89-50=39'] Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,94 unequal: No Solution Exploring Operation: 14+39=53, Resulting Numbers: [53] 53,94 unequal: No Solution Exploring Operation: 14*39=546, Resulting Numbers: [546] 546,94 unequal: No Solution Moving to Node #0,1,0 Current State: 94:[50, 75], Operations: ['44-30=14', '89-14=75'] Exploring Operation: 50+75=125, Resulting Numbers: [125] 125,94 unequal: No Solution Exploring Operation: 75-50=25, Resulting Numbers: [25] 25,94 unequal: No Solution Exploring Operation: 50*75=3750, Resulting Numbers: [3750] 3750,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[89, 64], Operations: ['44-30=14', '50+14=64'] Exploring Operation: 89+64=153, Resulting Numbers: [153] 153,94 unequal: No Solution Exploring Operation: 89-64=25, Resulting Numbers: [25] 25,94 unequal: No Solution Exploring Operation: 89*64=5696, Resulting Numbers: [5696] 5696,94 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:[89, 44, 80], Operations: ['50+30=80'] Exploring Operation: 80-44=36, Resulting Numbers: [89, 36] Generated Node #0,0,0: 94:[89, 36] Operation: 80-44=36 Exploring Operation: 44+80=124, Resulting Numbers: [89, 124] Generated Node #0,0,1: 94:[89, 124] Operation: 44+80=124 Exploring Operation: 89-44=45, Resulting Numbers: [80, 45] Generated Node #0,0,2: 94:[80, 45] Operation: 89-44=45 Exploring Operation: 89+44=133, Resulting Numbers: [80, 133] Generated Node #0,0,3: 94:[80, 133] Operation: 89+44=133 Exploring Operation: 89-80=9, Resulting Numbers: [44, 9] Generated Node #0,0,4: 94:[44, 9] Operation: 89-80=9 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 94:[44, 9], Operations: ['50+30=80', '89-80=9'] Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,94 unequal: No Solution Exploring Operation: 44*9=396, Resulting Numbers: [396] 396,94 unequal: No Solution Exploring Operation: 44+9=53, Resulting Numbers: [53] 53,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 94:[89, 36], Operations: ['50+30=80', '80-44=36'] Exploring Operation: 89*36=3204, Resulting Numbers: [3204] 3204,94 unequal: No Solution Exploring Operation: 89-36=53, Resulting Numbers: [53] 53,94 unequal: No Solution Exploring Operation: 89+36=125, Resulting Numbers: [125] 125,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 94:[80, 45], Operations: ['50+30=80', '89-44=45'] Exploring Operation: 80*45=3600, Resulting Numbers: [3600] 3600,94 unequal: No Solution Exploring Operation: 80-45=35, Resulting Numbers: [35] 35,94 unequal: No Solution Exploring Operation: 80+45=125, Resulting Numbers: [125] 125,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 94:[89, 124], Operations: ['50+30=80', '44+80=124'] Exploring Operation: 124-89=35, Resulting Numbers: [35] 35,94 unequal: No Solution Exploring Operation: 89*124=11036, Resulting Numbers: [11036] 11036,94 unequal: No Solution Exploring Operation: 89+124=213, Resulting Numbers: [213] 213,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 94:[80, 133], Operations: ['50+30=80', '89+44=133'] Exploring Operation: 133-80=53, Resulting Numbers: [53] 53,94 unequal: No Solution Exploring Operation: 80+133=213, Resulting Numbers: [213] 213,94 unequal: No Solution Exploring Operation: 80*133=10640, Resulting Numbers: [10640] 10640,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 94:[50, 30, 45], Operations: ['89-44=45'] Exploring Operation: 45-30=15, Resulting Numbers: [50, 15] Generated Node #0,3,0: 94:[50, 15] Operation: 45-30=15 Exploring Operation: 50+30=80, Resulting Numbers: [45, 80] Generated Node #0,3,1: 94:[45, 80] Operation: 50+30=80 Exploring Operation: 50-30=20, Resulting Numbers: [45, 20] Generated Node #0,3,2: 94:[45, 20] Operation: 50-30=20 Exploring Operation: 50-45=5, Resulting Numbers: [30, 5] Generated Node #0,3,3: 94:[30, 5] Operation: 50-45=5 Exploring Operation: 50+45=95, Resulting Numbers: [30, 95] Generated Node #0,3,4: 94:[30, 95] Operation: 50+45=95 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 94:[50, 15], Operations: ['89-44=45', '45-30=15'] Exploring Operation: 50*15=750, Resulting Numbers: [750] 750,94 unequal: No Solution Exploring Operation: 50+15=65, Resulting Numbers: [65] 65,94 unequal: No Solution Exploring Operation: 50-15=35, Resulting Numbers: [35] 35,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 94:[45, 80], Operations: ['89-44=45', '50+30=80'] Exploring Operation: 45+80=125, Resulting Numbers: [125] 125,94 unequal: No Solution Exploring Operation: 80-45=35, Resulting Numbers: [35] 35,94 unequal: No Solution Exploring Operation: 45*80=3600, Resulting Numbers: [3600] 3600,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 94:[30, 95], Operations: ['89-44=45', '50+45=95'] Exploring Operation: 95-30=65, Resulting Numbers: [65] 65,94 unequal: No Solution Exploring Operation: 30*95=2850, Resulting Numbers: [2850] 2850,94 unequal: No Solution Exploring Operation: 30+95=125, Resulting Numbers: [125] 125,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 94:[45, 20], Operations: ['89-44=45', '50-30=20'] Exploring Operation: 45+20=65, Resulting Numbers: [65] 65,94 unequal: No Solution Exploring Operation: 45*20=900, Resulting Numbers: [900] 900,94 unequal: No Solution Exploring Operation: 45-20=25, Resulting Numbers: [25] 25,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 94:[30, 5], Operations: ['89-44=45', '50-45=5'] Exploring Operation: 30*5=150, Resulting Numbers: [150] 150,94 unequal: No Solution Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,94 unequal: No Solution Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,94 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 94:[89, 30, 94], Operations: ['50+44=94'] Exploring Operation: 89-30=59, Resulting Numbers: [94, 59] Generated Node #0,4,0: 94:[94, 59] Operation: 89-30=59 Exploring Operation: 89+30=119, Resulting Numbers: [94, 119] Generated Node #0,4,1: 94:[94, 119] Operation: 89+30=119 Exploring Operation: 30+94=124, Resulting Numbers: [89, 124] Generated Node #0,4,2: 94:[89, 124] Operation: 30+94=124 Exploring Operation: 94-89=5, Resulting Numbers: [30, 5] Generated Node #0,4,3: 94:[30, 5] Operation: 94-89=5 Exploring Operation: 94-30=64, Resulting Numbers: [89, 64] Generated Node #0,4,4: 94:[89, 64] Operation: 94-30=64 Moving to Node #0,4,0 Current State: 94:[94, 59], Operations: ['50+44=94', '89-30=59'] Exploring Operation: 94+59=153, Resulting Numbers: [153] 153,94 unequal: No Solution Exploring Operation: 94-59=35, Resulting Numbers: [35] 35,94 unequal: No Solution Exploring Operation: 94*59=5546, Resulting Numbers: [5546] 5546,94 unequal: No Solution Moving to Node #0,4,3 Current State: 94:[30, 5], Operations: ['50+44=94', '94-89=5'] Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,94 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,94 unequal: No Solution Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,94 unequal: No Solution Exploring Operation: 30*5=150, Resulting Numbers: [150] 150,94 unequal: No Solution Moving to Node #0,4,4 Current State: 94:[89, 64], Operations: ['50+44=94', '94-30=64'] Exploring Operation: 89+64=153, Resulting Numbers: [153] 153,94 unequal: No Solution Exploring Operation: 89*64=5696, Resulting Numbers: [5696] 5696,94 unequal: No Solution Exploring Operation: 89-64=25, Resulting Numbers: [25] 25,94 unequal: No Solution Moving to Node #0,4,1 Current State: 94:[94, 119], Operations: ['50+44=94', '89+30=119'] Exploring Operation: 94*119=11186, Resulting Numbers: [11186] 11186,94 unequal: No Solution Exploring Operation: 119-94=25, Resulting Numbers: [25] 25,94 unequal: No Solution Exploring Operation: 94+119=213, Resulting Numbers: [213] 213,94 unequal: No Solution Moving to Node #0,4,2 Current State: 94:[89, 124], Operations: ['50+44=94', '30+94=124'] Exploring Operation: 89*124=11036, Resulting Numbers: [11036] 11036,94 unequal: No Solution Exploring Operation: 89+124=213, Resulting Numbers: [213] 213,94 unequal: No Solution Exploring Operation: 124-89=35, Resulting Numbers: [35] 35,94 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
[ 74, 91, 20, 72 ]
73
[ "74+91=165", "20+72=92", "165-92=73" ]
Current State: 73:[74, 91, 20, 72], Operations: [] Exploring Operation: 74+91=165, Resulting Numbers: [20, 72, 165] Generated Node #2: [20, 72, 165] from Operation: 74+91=165 Current State: 73:[20, 72, 165], Operations: ['74+91=165'] Exploring Operation: 20+72=92, Resulting Numbers: [165, 92] Generated Node #3: [165, 92] from Operation: 20+72=92 Current State: 73:[165, 92], Operations: ['74+91=165', '20+72=92'] Exploring Operation: 165-92=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[74, 91, 20, 72], Operations: [] Exploring Operation: 74-20=54, Resulting Numbers: [91, 72, 54] Generated Node #0,0: 73:[91, 72, 54] Operation: 74-20=54 Exploring Operation: 74+20=94, Resulting Numbers: [91, 72, 94] Generated Node #0,1: 73:[91, 72, 94] Operation: 74+20=94 Exploring Operation: 91-20=71, Resulting Numbers: [74, 72, 71] Generated Node #0,2: 73:[74, 72, 71] Operation: 91-20=71 Exploring Operation: 20+72=92, Resulting Numbers: [74, 91, 92] Generated Node #0,3: 73:[74, 91, 92] Operation: 20+72=92 Exploring Operation: 91+20=111, Resulting Numbers: [74, 72, 111] Generated Node #0,4: 73:[74, 72, 111] Operation: 91+20=111 Start Sub Search at level 1: Moving to Node #0,2 Current State: 73:[74, 72, 71], Operations: ['91-20=71'] Exploring Operation: 72-71=1, Resulting Numbers: [74, 1] Generated Node #0,2,0: 73:[74, 1] Operation: 72-71=1 Exploring Operation: 74-71=3, Resulting Numbers: [72, 3] Generated Node #0,2,1: 73:[72, 3] Operation: 74-71=3 Exploring Operation: 74-72=2, Resulting Numbers: [71, 2] Generated Node #0,2,2: 73:[71, 2] Operation: 74-72=2 Exploring Operation: 74+71=145, Resulting Numbers: [72, 145] Generated Node #0,2,3: 73:[72, 145] Operation: 74+71=145 Exploring Operation: 72+71=143, Resulting Numbers: [74, 143] Generated Node #0,2,4: 73:[74, 143] Operation: 72+71=143 Moving to Node #0,2,1 Current State: 73:[72, 3], Operations: ['91-20=71', '74-71=3'] Exploring Operation: 72+3=75, Resulting Numbers: [75] 75,73 unequal: No Solution Exploring Operation: 72*3=216, Resulting Numbers: [216] 216,73 unequal: No Solution Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,73 unequal: No Solution Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,73 unequal: No Solution Moving to Node #0,2,4 Current State: 73:[74, 143], Operations: ['91-20=71', '72+71=143'] Exploring Operation: 143-74=69, Resulting Numbers: [69] 69,73 unequal: No Solution Exploring Operation: 74+143=217, Resulting Numbers: [217] 217,73 unequal: No Solution Exploring Operation: 74*143=10582, Resulting Numbers: [10582] 10582,73 unequal: No Solution Moving to Node #0,2,0 Current State: 73:[74, 1], Operations: ['91-20=71', '72-71=1'] Exploring Operation: 74*1=74, Resulting Numbers: [74] 74,73 unequal: No Solution Exploring Operation: 74/1=74, Resulting Numbers: [74] 74,73 unequal: No Solution Exploring Operation: 74+1=75, Resulting Numbers: [75] 75,73 unequal: No Solution Exploring Operation: 74-1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[74, 91, 20, 72], Operations: [] Exploring Operation: 91-20=71, Resulting Numbers: [74, 72, 71] Generated Node #0,2: 73:[74, 72, 71] Operation: 91-20=71 Moving to Node #0,2 Current State: 73:[74, 72, 71], Operations: ['91-20=71'] Exploring Operation: 72-71=1, Resulting Numbers: [74, 1] Generated Node #0,2,0: 73:[74, 1] Operation: 72-71=1 Moving to Node #0,2,0 Current State: 73:[74, 1], Operations: ['91-20=71', '72-71=1'] Exploring Operation: 74-1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_5
mult_heuristic
[ 69, 49, 13, 46 ]
54
[ "49-13=36", "69*36=2484", "2484/46=54" ]
Current State: 54:[69, 49, 13, 46], Operations: [] Exploring Operation: 49-13=36, Resulting Numbers: [69, 46, 36] Generated Node #2: [69, 46, 36] from Operation: 49-13=36 Current State: 54:[69, 46, 36], Operations: ['49-13=36'] Exploring Operation: 69*36=2484, Resulting Numbers: [46, 2484] Generated Node #3: [46, 2484] from Operation: 69*36=2484 Current State: 54:[46, 2484], Operations: ['49-13=36', '69*36=2484'] Exploring Operation: 2484/46=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[69, 49, 13, 46], Operations: [] Exploring Operation: 69-13=56, Resulting Numbers: [49, 46, 56] Generated Node #0,0: 54:[49, 46, 56] Operation: 69-13=56 Exploring Operation: 49-46=3, Resulting Numbers: [69, 13, 3] Generated Node #0,1: 54:[69, 13, 3] Operation: 49-46=3 Exploring Operation: 69-46=23, Resulting Numbers: [49, 13, 23] Generated Node #0,2: 54:[49, 13, 23] Operation: 69-46=23 Exploring Operation: 69-49=20, Resulting Numbers: [13, 46, 20] Generated Node #0,3: 54:[13, 46, 20] Operation: 69-49=20 Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[49, 13, 23], Operations: ['69-46=23'] Exploring Operation: 49-13=36, Resulting Numbers: [23, 36] Generated Node #0,2,0: 54:[23, 36] Operation: 49-13=36 Exploring Operation: 49+13=62, Resulting Numbers: [23, 62] Generated Node #0,2,1: 54:[23, 62] Operation: 49+13=62 Exploring Operation: 49-23=26, Resulting Numbers: [13, 26] Generated Node #0,2,2: 54:[13, 26] Operation: 49-23=26 Exploring Operation: 23-13=10, Resulting Numbers: [49, 10] Generated Node #0,2,3: 54:[49, 10] Operation: 23-13=10 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 54:[13, 26], Operations: ['69-46=23', '49-23=26'] Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 13+26=39, Resulting Numbers: [39] 39,54 unequal: No Solution Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,54 unequal: No Solution Exploring Operation: 13*26=338, Resulting Numbers: [338] 338,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 54:[49, 10], Operations: ['69-46=23', '23-13=10'] Exploring Operation: 49-10=39, Resulting Numbers: [39] 39,54 unequal: No Solution Exploring Operation: 49+10=59, Resulting Numbers: [59] 59,54 unequal: No Solution Exploring Operation: 49*10=490, Resulting Numbers: [490] 490,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 54:[23, 62], Operations: ['69-46=23', '49+13=62'] Exploring Operation: 62-23=39, Resulting Numbers: [39] 39,54 unequal: No Solution Exploring Operation: 23*62=1426, Resulting Numbers: [1426] 1426,54 unequal: No Solution Exploring Operation: 23+62=85, Resulting Numbers: [85] 85,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 54:[23, 36], Operations: ['69-46=23', '49-13=36'] Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 23+36=59, Resulting Numbers: [59] 59,54 unequal: No Solution Exploring Operation: 23*36=828, Resulting Numbers: [828] 828,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 54:[13, 46, 20], Operations: ['69-49=20'] Exploring Operation: 20-13=7, Resulting Numbers: [46, 7] Generated Node #0,3,0: 54:[46, 7] Operation: 20-13=7 Exploring Operation: 13+46=59, Resulting Numbers: [20, 59] Generated Node #0,3,1: 54:[20, 59] Operation: 13+46=59 Exploring Operation: 46-20=26, Resulting Numbers: [13, 26] Generated Node #0,3,2: 54:[13, 26] Operation: 46-20=26 Exploring Operation: 46-13=33, Resulting Numbers: [20, 33] Generated Node #0,3,3: 54:[20, 33] Operation: 46-13=33 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 54:[13, 26], Operations: ['69-49=20', '46-20=26'] Exploring Operation: 13*26=338, Resulting Numbers: [338] 338,54 unequal: No Solution Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,54 unequal: No Solution Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 13+26=39, Resulting Numbers: [39] 39,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 54:[20, 59], Operations: ['69-49=20', '13+46=59'] Exploring Operation: 59-20=39, Resulting Numbers: [39] 39,54 unequal: No Solution Exploring Operation: 20*59=1180, Resulting Numbers: [1180] 1180,54 unequal: No Solution Exploring Operation: 20+59=79, Resulting Numbers: [79] 79,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 54:[20, 33], Operations: ['69-49=20', '46-13=33'] Exploring Operation: 20+33=53, Resulting Numbers: [53] 53,54 unequal: No Solution Exploring Operation: 20*33=660, Resulting Numbers: [660] 660,54 unequal: No Solution Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 54:[46, 7], Operations: ['69-49=20', '20-13=7'] Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,54 unequal: No Solution Exploring Operation: 46+7=53, Resulting Numbers: [53] 53,54 unequal: No Solution Exploring Operation: 46*7=322, Resulting Numbers: [322] 322,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[49, 46, 56], Operations: ['69-13=56'] Exploring Operation: 49+46=95, Resulting Numbers: [56, 95] Generated Node #0,0,0: 54:[56, 95] Operation: 49+46=95 Exploring Operation: 49-46=3, Resulting Numbers: [56, 3] Generated Node #0,0,1: 54:[56, 3] Operation: 49-46=3 Exploring Operation: 56-46=10, Resulting Numbers: [49, 10] Generated Node #0,0,2: 54:[49, 10] Operation: 56-46=10 Exploring Operation: 56-49=7, Resulting Numbers: [46, 7] Generated Node #0,0,3: 54:[46, 7] Operation: 56-49=7 Moving to Node #0,0,1 Current State: 54:[56, 3], Operations: ['69-13=56', '49-46=3'] Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,54 unequal: No Solution Exploring Operation: 56*3=168, Resulting Numbers: [168] 168,54 unequal: No Solution Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,54 unequal: No Solution Moving to Node #0,0,2 Current State: 54:[49, 10], Operations: ['69-13=56', '56-46=10'] Exploring Operation: 49*10=490, Resulting Numbers: [490] 490,54 unequal: No Solution Exploring Operation: 49-10=39, Resulting Numbers: [39] 39,54 unequal: No Solution Exploring Operation: 49+10=59, Resulting Numbers: [59] 59,54 unequal: No Solution Moving to Node #0,0,3 Current State: 54:[46, 7], Operations: ['69-13=56', '56-49=7'] Exploring Operation: 46*7=322, Resulting Numbers: [322] 322,54 unequal: No Solution Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,54 unequal: No Solution Exploring Operation: 46+7=53, Resulting Numbers: [53] 53,54 unequal: No Solution Moving to Node #0,0,0 Current State: 54:[56, 95], Operations: ['69-13=56', '49+46=95'] Exploring Operation: 95-56=39, Resulting Numbers: [39] 39,54 unequal: No Solution Exploring Operation: 56*95=5320, Resulting Numbers: [5320] 5320,54 unequal: No Solution Exploring Operation: 56+95=151, Resulting Numbers: [151] 151,54 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 Current State: 54:[69, 13, 3], Operations: ['49-46=3'] Exploring Operation: 69-3=66, Resulting Numbers: [13, 66] Generated Node #0,1,0: 54:[13, 66] Operation: 69-3=66 Exploring Operation: 13-3=10, Resulting Numbers: [69, 10] Generated Node #0,1,1: 54:[69, 10] Operation: 13-3=10 Exploring Operation: 69/3=23, Resulting Numbers: [13, 23] Generated Node #0,1,2: 54:[13, 23] Operation: 69/3=23 Exploring Operation: 69-13=56, Resulting Numbers: [3, 56] Generated Node #0,1,3: 54:[3, 56] Operation: 69-13=56 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 54:[3, 56], Operations: ['49-46=3', '69-13=56'] Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,54 unequal: No Solution Exploring Operation: 3+56=59, Resulting Numbers: [59] 59,54 unequal: No Solution Exploring Operation: 3*56=168, Resulting Numbers: [168] 168,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 54:[13, 23], Operations: ['49-46=3', '69/3=23'] Exploring Operation: 13*23=299, Resulting Numbers: [299] 299,54 unequal: No Solution Exploring Operation: 13+23=36, Resulting Numbers: [36] 36,54 unequal: No Solution Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 54:[13, 66], Operations: ['49-46=3', '69-3=66'] Exploring Operation: 13+66=79, Resulting Numbers: [79] 79,54 unequal: No Solution Exploring Operation: 13*66=858, Resulting Numbers: [858] 858,54 unequal: No Solution Exploring Operation: 66-13=53, Resulting Numbers: [53] 53,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 54:[69, 10], Operations: ['49-46=3', '13-3=10'] Exploring Operation: 69*10=690, Resulting Numbers: [690] 690,54 unequal: No Solution Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,54 unequal: No Solution Exploring Operation: 69+10=79, Resulting Numbers: [79] 79,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 63, 20, 48, 95 ]
90
[ "63-20=43", "95-48=47", "43+47=90" ]
Current State: 90:[63, 20, 48, 95], Operations: [] Exploring Operation: 63-20=43, Resulting Numbers: [48, 95, 43] Generated Node #2: [48, 95, 43] from Operation: 63-20=43 Current State: 90:[48, 95, 43], Operations: ['63-20=43'] Exploring Operation: 95-48=47, Resulting Numbers: [43, 47] Generated Node #3: [43, 47] from Operation: 95-48=47 Current State: 90:[43, 47], Operations: ['63-20=43', '95-48=47'] Exploring Operation: 43+47=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[63, 20, 48, 95], Operations: [] Exploring Operation: 63+20=83, Resulting Numbers: [48, 95, 83] Generated Node #0,0: 90:[48, 95, 83] Operation: 63+20=83 Exploring Operation: 63-20=43, Resulting Numbers: [48, 95, 43] Generated Node #0,1: 90:[48, 95, 43] Operation: 63-20=43 Exploring Operation: 63-48=15, Resulting Numbers: [20, 95, 15] Generated Node #0,2: 90:[20, 95, 15] Operation: 63-48=15 Exploring Operation: 95-63=32, Resulting Numbers: [20, 48, 32] Generated Node #0,3: 90:[20, 48, 32] Operation: 95-63=32 Moving to Node #0,2 Current State: 90:[20, 95, 15], Operations: ['63-48=15'] Exploring Operation: 20+15=35, Resulting Numbers: [95, 35] Generated Node #0,2,0: 90:[95, 35] Operation: 20+15=35 Exploring Operation: 95-15=80, Resulting Numbers: [20, 80] Generated Node #0,2,1: 90:[20, 80] Operation: 95-15=80 Exploring Operation: 20-15=5, Resulting Numbers: [95, 5] Generated Node #0,2,2: 90:[95, 5] Operation: 20-15=5 Exploring Operation: 95-20=75, Resulting Numbers: [15, 75] Generated Node #0,2,3: 90:[15, 75] Operation: 95-20=75 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 90:[95, 5], Operations: ['63-48=15', '20-15=5'] Exploring Operation: 95+5=100, Resulting Numbers: [100] 100,90 unequal: No Solution Exploring Operation: 95-5=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[63, 20, 48, 95], Operations: [] Exploring Operation: 63-48=15, Resulting Numbers: [20, 95, 15] Generated Node #0,2: 90:[20, 95, 15] Operation: 63-48=15 Moving to Node #0,2 Current State: 90:[20, 95, 15], Operations: ['63-48=15'] Exploring Operation: 20-15=5, Resulting Numbers: [95, 5] Generated Node #0,2,2: 90:[95, 5] Operation: 20-15=5 Moving to Node #0,2,2 Current State: 90:[95, 5], Operations: ['63-48=15', '20-15=5'] Exploring Operation: 95-5=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 10, 25, 97, 96 ]
14
[ "25-10=15", "97-96=1", "15-1=14" ]
Current State: 14:[10, 25, 97, 96], Operations: [] Exploring Operation: 25-10=15, Resulting Numbers: [97, 96, 15] Generated Node #2: [97, 96, 15] from Operation: 25-10=15 Current State: 14:[97, 96, 15], Operations: ['25-10=15'] Exploring Operation: 97-96=1, Resulting Numbers: [15, 1] Generated Node #3: [15, 1] from Operation: 97-96=1 Current State: 14:[15, 1], Operations: ['25-10=15', '97-96=1'] Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[10, 25, 97, 96], Operations: [] Exploring Operation: 97-25=72, Resulting Numbers: [10, 96, 72] Generated Node #0,0: 14:[10, 96, 72] Operation: 97-25=72 Exploring Operation: 97-96=1, Resulting Numbers: [10, 25, 1] Generated Node #0,1: 14:[10, 25, 1] Operation: 97-96=1 Exploring Operation: 97-10=87, Resulting Numbers: [25, 96, 87] Generated Node #0,2: 14:[25, 96, 87] Operation: 97-10=87 Exploring Operation: 96-25=71, Resulting Numbers: [10, 97, 71] Generated Node #0,3: 14:[10, 97, 71] Operation: 96-25=71 Exploring Operation: 25-10=15, Resulting Numbers: [97, 96, 15] Generated Node #0,4: 14:[97, 96, 15] Operation: 25-10=15 Moving to Node #0,1 Current State: 14:[10, 25, 1], Operations: ['97-96=1'] Exploring Operation: 10*1=10, Resulting Numbers: [25, 10] Generated Node #0,1,0: 14:[25, 10] Operation: 10*1=10 Exploring Operation: 10+1=11, Resulting Numbers: [25, 11] Generated Node #0,1,1: 14:[25, 11] Operation: 10+1=11 Exploring Operation: 25-10=15, Resulting Numbers: [1, 15] Generated Node #0,1,2: 14:[1, 15] Operation: 25-10=15 Exploring Operation: 25-1=24, Resulting Numbers: [10, 24] Generated Node #0,1,3: 14:[10, 24] Operation: 25-1=24 Exploring Operation: 10-1=9, Resulting Numbers: [25, 9] Generated Node #0,1,4: 14:[25, 9] Operation: 10-1=9 Moving to Node #0,3 Current State: 14:[10, 97, 71], Operations: ['96-25=71'] Exploring Operation: 10+97=107, Resulting Numbers: [71, 107] Generated Node #0,3,0: 14:[71, 107] Operation: 10+97=107 Exploring Operation: 10+71=81, Resulting Numbers: [97, 81] Generated Node #0,3,1: 14:[97, 81] Operation: 10+71=81 Exploring Operation: 97-10=87, Resulting Numbers: [71, 87] Generated Node #0,3,2: 14:[71, 87] Operation: 97-10=87 Exploring Operation: 71-10=61, Resulting Numbers: [97, 61] Generated Node #0,3,3: 14:[97, 61] Operation: 71-10=61 Exploring Operation: 97-71=26, Resulting Numbers: [10, 26] Generated Node #0,3,4: 14:[10, 26] Operation: 97-71=26 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 14:[10, 26], Operations: ['96-25=71', '97-71=26'] Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,14 unequal: No Solution Exploring Operation: 10+26=36, Resulting Numbers: [36] 36,14 unequal: No Solution Exploring Operation: 10*26=260, Resulting Numbers: [260] 260,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 14:[71, 87], Operations: ['96-25=71', '97-10=87'] Exploring Operation: 71*87=6177, Resulting Numbers: [6177] 6177,14 unequal: No Solution Exploring Operation: 71+87=158, Resulting Numbers: [158] 158,14 unequal: No Solution Exploring Operation: 87-71=16, Resulting Numbers: [16] 16,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 14:[97, 61], Operations: ['96-25=71', '71-10=61'] Exploring Operation: 97+61=158, Resulting Numbers: [158] 158,14 unequal: No Solution Exploring Operation: 97*61=5917, Resulting Numbers: [5917] 5917,14 unequal: No Solution Exploring Operation: 97-61=36, Resulting Numbers: [36] 36,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 14:[71, 107], Operations: ['96-25=71', '10+97=107'] Exploring Operation: 71*107=7597, Resulting Numbers: [7597] 7597,14 unequal: No Solution Exploring Operation: 107-71=36, Resulting Numbers: [36] 36,14 unequal: No Solution Exploring Operation: 71+107=178, Resulting Numbers: [178] 178,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 14:[97, 81], Operations: ['96-25=71', '10+71=81'] Exploring Operation: 97*81=7857, Resulting Numbers: [7857] 7857,14 unequal: No Solution Exploring Operation: 97-81=16, Resulting Numbers: [16] 16,14 unequal: No Solution Exploring Operation: 97+81=178, Resulting Numbers: [178] 178,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 14:[10, 96, 72], Operations: ['97-25=72'] Exploring Operation: 96-72=24, Resulting Numbers: [10, 24] Generated Node #0,0,0: 14:[10, 24] Operation: 96-72=24 Exploring Operation: 96-10=86, Resulting Numbers: [72, 86] Generated Node #0,0,1: 14:[72, 86] Operation: 96-10=86 Exploring Operation: 10+72=82, Resulting Numbers: [96, 82] Generated Node #0,0,2: 14:[96, 82] Operation: 10+72=82 Exploring Operation: 72-10=62, Resulting Numbers: [96, 62] Generated Node #0,0,3: 14:[96, 62] Operation: 72-10=62 Exploring Operation: 10+96=106, Resulting Numbers: [72, 106] Generated Node #0,0,4: 14:[72, 106] Operation: 10+96=106 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 14:[10, 24], Operations: ['97-25=72', '96-72=24'] Exploring Operation: 10*24=240, Resulting Numbers: [240] 240,14 unequal: No Solution Exploring Operation: 10+24=34, Resulting Numbers: [34] 34,14 unequal: No Solution Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[10, 25, 97, 96], Operations: [] Exploring Operation: 97-25=72, Resulting Numbers: [10, 96, 72] Generated Node #0,0: 14:[10, 96, 72] Operation: 97-25=72 Moving to Node #0,0 Current State: 14:[10, 96, 72], Operations: ['97-25=72'] Exploring Operation: 96-72=24, Resulting Numbers: [10, 24] Generated Node #0,0,0: 14:[10, 24] Operation: 96-72=24 Moving to Node #0,0,0 Current State: 14:[10, 24], Operations: ['97-25=72', '96-72=24'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.963542
hs_5
mult_heuristic
[ 42, 75, 64, 11 ]
41
[ "75-64=11", "11/11=1", "42-1=41" ]
Current State: 41:[42, 75, 64, 11], Operations: [] Exploring Operation: 75-64=11, Resulting Numbers: [42, 11, 11] Generated Node #2: [42, 11, 11] from Operation: 75-64=11 Current State: 41:[42, 11, 11], Operations: ['75-64=11'] Exploring Operation: 11/11=1, Resulting Numbers: [42, 1] Generated Node #3: [42, 1] from Operation: 11/11=1 Current State: 41:[42, 1], Operations: ['75-64=11', '11/11=1'] Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[42, 75, 64, 11], Operations: [] Exploring Operation: 42-11=31, Resulting Numbers: [75, 64, 31] Generated Node #0,0: 41:[75, 64, 31] Operation: 42-11=31 Exploring Operation: 64-11=53, Resulting Numbers: [42, 75, 53] Generated Node #0,1: 41:[42, 75, 53] Operation: 64-11=53 Exploring Operation: 75-64=11, Resulting Numbers: [42, 11, 11] Generated Node #0,2: 41:[42, 11, 11] Operation: 75-64=11 Exploring Operation: 75-11=64, Resulting Numbers: [42, 64, 64] Generated Node #0,3: 41:[42, 64, 64] Operation: 75-11=64 Exploring Operation: 75-42=33, Resulting Numbers: [64, 11, 33] Generated Node #0,4: 41:[64, 11, 33] Operation: 75-42=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[42, 75, 53], Operations: ['64-11=53'] Exploring Operation: 75-42=33, Resulting Numbers: [53, 33] Generated Node #0,1,0: 41:[53, 33] Operation: 75-42=33 Exploring Operation: 42+53=95, Resulting Numbers: [75, 95] Generated Node #0,1,1: 41:[75, 95] Operation: 42+53=95 Exploring Operation: 53-42=11, Resulting Numbers: [75, 11] Generated Node #0,1,2: 41:[75, 11] Operation: 53-42=11 Exploring Operation: 75-53=22, Resulting Numbers: [42, 22] Generated Node #0,1,3: 41:[42, 22] Operation: 75-53=22 Exploring Operation: 42+75=117, Resulting Numbers: [53, 117] Generated Node #0,1,4: 41:[53, 117] Operation: 42+75=117 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 41:[53, 33], Operations: ['64-11=53', '75-42=33'] Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,41 unequal: No Solution Exploring Operation: 53*33=1749, Resulting Numbers: [1749] 1749,41 unequal: No Solution Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 41:[42, 22], Operations: ['64-11=53', '75-53=22'] Exploring Operation: 42*22=924, Resulting Numbers: [924] 924,41 unequal: No Solution Exploring Operation: 42+22=64, Resulting Numbers: [64] 64,41 unequal: No Solution Exploring Operation: 42-22=20, Resulting Numbers: [20] 20,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 41:[75, 11], Operations: ['64-11=53', '53-42=11'] Exploring Operation: 75*11=825, Resulting Numbers: [825] 825,41 unequal: No Solution Exploring Operation: 75+11=86, Resulting Numbers: [86] 86,41 unequal: No Solution Exploring Operation: 75-11=64, Resulting Numbers: [64] 64,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 41:[75, 95], Operations: ['64-11=53', '42+53=95'] Exploring Operation: 75+95=170, Resulting Numbers: [170] 170,41 unequal: No Solution Exploring Operation: 75*95=7125, Resulting Numbers: [7125] 7125,41 unequal: No Solution Exploring Operation: 95-75=20, Resulting Numbers: [20] 20,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 41:[53, 117], Operations: ['64-11=53', '42+75=117'] Exploring Operation: 53+117=170, Resulting Numbers: [170] 170,41 unequal: No Solution Exploring Operation: 53*117=6201, Resulting Numbers: [6201] 6201,41 unequal: No Solution Exploring Operation: 117-53=64, Resulting Numbers: [64] 64,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 41:[42, 64, 64], Operations: ['75-11=64'] Exploring Operation: 64-42=22, Resulting Numbers: [64, 22] Generated Node #0,3,0: 41:[64, 22] Operation: 64-42=22 Exploring Operation: 64-64=0, Resulting Numbers: [42, 0] Generated Node #0,3,1: 41:[42, 0] Operation: 64-64=0 Exploring Operation: 42+64=106, Resulting Numbers: [64, 106] Generated Node #0,3,2: 41:[64, 106] Operation: 42+64=106 Exploring Operation: 64/64=1, Resulting Numbers: [42, 1] Generated Node #0,3,3: 41:[42, 1] Operation: 64/64=1 Exploring Operation: 64-42=22, Resulting Numbers: [64, 22] Generated Node #0,3,4: 41:[64, 22] Operation: 64-42=22 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 41:[42, 1], Operations: ['75-11=64', '64/64=1'] Exploring Operation: 42+1=43, Resulting Numbers: [43] 43,41 unequal: No Solution Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,41 unequal: No Solution Exploring Operation: 42*1=42, Resulting Numbers: [42] 42,41 unequal: No Solution Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[42, 75, 64, 11], Operations: [] Exploring Operation: 75-11=64, Resulting Numbers: [42, 64, 64] Generated Node #0,3: 41:[42, 64, 64] Operation: 75-11=64 Moving to Node #0,3 Current State: 41:[42, 64, 64], Operations: ['75-11=64'] Exploring Operation: 64/64=1, Resulting Numbers: [42, 1] Generated Node #0,3,3: 41:[42, 1] Operation: 64/64=1 Moving to Node #0,3,3 Current State: 41:[42, 1], Operations: ['75-11=64', '64/64=1'] Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967014
hs_5
mult_heuristic
[ 6, 16, 22, 13 ]
13
[ "6+16=22", "22+13=35", "35-22=13" ]
Current State: 13:[6, 16, 22, 13], Operations: [] Exploring Operation: 6+16=22, Resulting Numbers: [22, 13, 22] Generated Node #2: [22, 13, 22] from Operation: 6+16=22 Current State: 13:[22, 13, 22], Operations: ['6+16=22'] Exploring Operation: 22+13=35, Resulting Numbers: [35] 35,13 equal: Goal Reached Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[6, 16, 22, 13], Operations: [] Exploring Operation: 16-6=10, Resulting Numbers: [22, 13, 10] Generated Node #0,0: 13:[22, 13, 10] Operation: 16-6=10 Exploring Operation: 22-6=16, Resulting Numbers: [16, 13, 16] Generated Node #0,1: 13:[16, 13, 16] Operation: 22-6=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[16, 13, 16], Operations: ['22-6=16'] Exploring Operation: 16-13=3, Resulting Numbers: [16, 3] Generated Node #0,1,0: 13:[16, 3] Operation: 16-13=3 Exploring Operation: 16/16=1, Resulting Numbers: [13, 1] Generated Node #0,1,1: 13:[13, 1] Operation: 16/16=1 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 13:[13, 1], Operations: ['22-6=16', '16/16=1'] Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[6, 16, 22, 13], Operations: [] Exploring Operation: 22-6=16, Resulting Numbers: [16, 13, 16] Generated Node #0,1: 13:[16, 13, 16] Operation: 22-6=16 Moving to Node #0,1 Current State: 13:[16, 13, 16], Operations: ['22-6=16'] Exploring Operation: 16/16=1, Resulting Numbers: [13, 1] Generated Node #0,1,1: 13:[13, 1] Operation: 16/16=1 Moving to Node #0,1,1 Current State: 13:[13, 1], Operations: ['22-6=16', '16/16=1'] Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 6, 32, 63, 52 ]
89
[ "32-6=26", "63+52=115", "115-26=89" ]
Current State: 89:[6, 32, 63, 52], Operations: [] Exploring Operation: 32-6=26, Resulting Numbers: [63, 52, 26] Generated Node #2: [63, 52, 26] from Operation: 32-6=26 Current State: 89:[63, 52, 26], Operations: ['32-6=26'] Exploring Operation: 63+52=115, Resulting Numbers: [26, 115] Generated Node #3: [26, 115] from Operation: 63+52=115 Current State: 89:[26, 115], Operations: ['32-6=26', '63+52=115'] Exploring Operation: 115-26=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[6, 32, 63, 52], Operations: [] Exploring Operation: 6+63=69, Resulting Numbers: [32, 52, 69] Generated Node #0,0: 89:[32, 52, 69] Operation: 6+63=69 Exploring Operation: 6+32=38, Resulting Numbers: [63, 52, 38] Generated Node #0,1: 89:[63, 52, 38] Operation: 6+32=38 Exploring Operation: 6+52=58, Resulting Numbers: [32, 63, 58] Generated Node #0,2: 89:[32, 63, 58] Operation: 6+52=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[32, 52, 69], Operations: ['6+63=69'] Exploring Operation: 52-32=20, Resulting Numbers: [69, 20] Generated Node #0,0,0: 89:[69, 20] Operation: 52-32=20 Exploring Operation: 32+52=84, Resulting Numbers: [69, 84] Generated Node #0,0,1: 89:[69, 84] Operation: 32+52=84 Exploring Operation: 32+69=101, Resulting Numbers: [52, 101] Generated Node #0,0,2: 89:[52, 101] Operation: 32+69=101 Moving to Node #0,0,1 Current State: 89:[69, 84], Operations: ['6+63=69', '32+52=84'] Exploring Operation: 84-69=15, Resulting Numbers: [15] 15,89 unequal: No Solution Exploring Operation: 69+84=153, Resulting Numbers: [153] 153,89 unequal: No Solution Exploring Operation: 69*84=5796, Resulting Numbers: [5796] 5796,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[52, 101], Operations: ['6+63=69', '32+69=101'] Exploring Operation: 101-52=49, Resulting Numbers: [49] 49,89 unequal: No Solution Exploring Operation: 52+101=153, Resulting Numbers: [153] 153,89 unequal: No Solution Exploring Operation: 52*101=5252, Resulting Numbers: [5252] 5252,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[69, 20], Operations: ['6+63=69', '52-32=20'] Exploring Operation: 69+20=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[6, 32, 63, 52], Operations: [] Exploring Operation: 6+63=69, Resulting Numbers: [32, 52, 69] Generated Node #0,0: 89:[32, 52, 69] Operation: 6+63=69 Moving to Node #0,0 Current State: 89:[32, 52, 69], Operations: ['6+63=69'] Exploring Operation: 52-32=20, Resulting Numbers: [69, 20] Generated Node #0,0,0: 89:[69, 20] Operation: 52-32=20 Moving to Node #0,0,0 Current State: 89:[69, 20], Operations: ['6+63=69', '52-32=20'] Exploring Operation: 69+20=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 35, 57, 75, 63 ]
78
[ "75*63=4725", "4725/35=135", "135-57=78" ]
Current State: 78:[35, 57, 75, 63], Operations: [] Exploring Operation: 75*63=4725, Resulting Numbers: [35, 57, 4725] Generated Node #2: [35, 57, 4725] from Operation: 75*63=4725 Current State: 78:[35, 57, 4725], Operations: ['75*63=4725'] Exploring Operation: 4725/35=135, Resulting Numbers: [57, 135] Generated Node #3: [57, 135] from Operation: 4725/35=135 Current State: 78:[57, 135], Operations: ['75*63=4725', '4725/35=135'] Exploring Operation: 135-57=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[35, 57, 75, 63], Operations: [] Exploring Operation: 75-63=12, Resulting Numbers: [35, 57, 12] Generated Node #0,0: 78:[35, 57, 12] Operation: 75-63=12 Exploring Operation: 63-35=28, Resulting Numbers: [57, 75, 28] Generated Node #0,1: 78:[57, 75, 28] Operation: 63-35=28 Exploring Operation: 75-57=18, Resulting Numbers: [35, 63, 18] Generated Node #0,2: 78:[35, 63, 18] Operation: 75-57=18 Exploring Operation: 63-57=6, Resulting Numbers: [35, 75, 6] Generated Node #0,3: 78:[35, 75, 6] Operation: 63-57=6 Exploring Operation: 57-35=22, Resulting Numbers: [75, 63, 22] Generated Node #0,4: 78:[75, 63, 22] Operation: 57-35=22 Moving to Node #0,3 Current State: 78:[35, 75, 6], Operations: ['63-57=6'] Exploring Operation: 75-6=69, Resulting Numbers: [35, 69] Generated Node #0,3,0: 78:[35, 69] Operation: 75-6=69 Exploring Operation: 35+6=41, Resulting Numbers: [75, 41] Generated Node #0,3,1: 78:[75, 41] Operation: 35+6=41 Exploring Operation: 35-6=29, Resulting Numbers: [75, 29] Generated Node #0,3,2: 78:[75, 29] Operation: 35-6=29 Exploring Operation: 75-35=40, Resulting Numbers: [6, 40] Generated Node #0,3,3: 78:[6, 40] Operation: 75-35=40 Exploring Operation: 75+6=81, Resulting Numbers: [35, 81] Generated Node #0,3,4: 78:[35, 81] Operation: 75+6=81 Moving to Node #0,4 Current State: 78:[75, 63, 22], Operations: ['57-35=22'] Exploring Operation: 63-22=41, Resulting Numbers: [75, 41] Generated Node #0,4,0: 78:[75, 41] Operation: 63-22=41 Exploring Operation: 75-63=12, Resulting Numbers: [22, 12] Generated Node #0,4,1: 78:[22, 12] Operation: 75-63=12 Exploring Operation: 75-22=53, Resulting Numbers: [63, 53] Generated Node #0,4,2: 78:[63, 53] Operation: 75-22=53 Exploring Operation: 75+22=97, Resulting Numbers: [63, 97] Generated Node #0,4,3: 78:[63, 97] Operation: 75+22=97 Exploring Operation: 63+22=85, Resulting Numbers: [75, 85] Generated Node #0,4,4: 78:[75, 85] Operation: 63+22=85 Moving to Node #0,0 Current State: 78:[35, 57, 12], Operations: ['75-63=12'] Exploring Operation: 57-12=45, Resulting Numbers: [35, 45] Generated Node #0,0,0: 78:[35, 45] Operation: 57-12=45 Exploring Operation: 57+12=69, Resulting Numbers: [35, 69] Generated Node #0,0,1: 78:[35, 69] Operation: 57+12=69 Exploring Operation: 35-12=23, Resulting Numbers: [57, 23] Generated Node #0,0,2: 78:[57, 23] Operation: 35-12=23 Exploring Operation: 35+57=92, Resulting Numbers: [12, 92] Generated Node #0,0,3: 78:[12, 92] Operation: 35+57=92 Exploring Operation: 57-35=22, Resulting Numbers: [12, 22] Generated Node #0,0,4: 78:[12, 22] Operation: 57-35=22 Moving to Node #0,1 Current State: 78:[57, 75, 28], Operations: ['63-35=28'] Exploring Operation: 75+28=103, Resulting Numbers: [57, 103] Generated Node #0,1,0: 78:[57, 103] Operation: 75+28=103 Exploring Operation: 75-57=18, Resulting Numbers: [28, 18] Generated Node #0,1,1: 78:[28, 18] Operation: 75-57=18 Exploring Operation: 57+28=85, Resulting Numbers: [75, 85] Generated Node #0,1,2: 78:[75, 85] Operation: 57+28=85 Exploring Operation: 75-28=47, Resulting Numbers: [57, 47] Generated Node #0,1,3: 78:[57, 47] Operation: 75-28=47 Exploring Operation: 57-28=29, Resulting Numbers: [75, 29] Generated Node #0,1,4: 78:[75, 29] Operation: 57-28=29 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 78:[75, 29], Operations: ['63-35=28', '57-28=29'] Exploring Operation: 75-29=46, Resulting Numbers: [46] 46,78 unequal: No Solution Exploring Operation: 75*29=2175, Resulting Numbers: [2175] 2175,78 unequal: No Solution Exploring Operation: 75+29=104, Resulting Numbers: [104] 104,78 unequal: No Solution No 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: 78:[28, 18], Operations: ['63-35=28', '75-57=18'] Exploring Operation: 28*18=504, Resulting Numbers: [504] 504,78 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,78 unequal: No Solution Exploring Operation: 28+18=46, Resulting Numbers: [46] 46,78 unequal: No Solution No 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: 78:[75, 85], Operations: ['63-35=28', '57+28=85'] Exploring Operation: 85-75=10, Resulting Numbers: [10] 10,78 unequal: No Solution Exploring Operation: 75+85=160, Resulting Numbers: [160] 160,78 unequal: No Solution Exploring Operation: 75*85=6375, Resulting Numbers: [6375] 6375,78 unequal: No Solution No 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: 78:[57, 47], Operations: ['63-35=28', '75-28=47'] Exploring Operation: 57+47=104, Resulting Numbers: [104] 104,78 unequal: No Solution Exploring Operation: 57*47=2679, Resulting Numbers: [2679] 2679,78 unequal: No Solution Exploring Operation: 57-47=10, Resulting Numbers: [10] 10,78 unequal: No Solution No 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: 78:[57, 103], Operations: ['63-35=28', '75+28=103'] Exploring Operation: 57+103=160, Resulting Numbers: [160] 160,78 unequal: No Solution Exploring Operation: 103-57=46, Resulting Numbers: [46] 46,78 unequal: No Solution Exploring Operation: 57*103=5871, Resulting Numbers: [5871] 5871,78 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: 78:[35, 63, 18], Operations: ['75-57=18'] Exploring Operation: 63-18=45, Resulting Numbers: [35, 45] Generated Node #0,2,0: 78:[35, 45] Operation: 63-18=45 Exploring Operation: 35-18=17, Resulting Numbers: [63, 17] Generated Node #0,2,1: 78:[63, 17] Operation: 35-18=17 Exploring Operation: 63+18=81, Resulting Numbers: [35, 81] Generated Node #0,2,2: 78:[35, 81] Operation: 63+18=81 Exploring Operation: 35+63=98, Resulting Numbers: [18, 98] Generated Node #0,2,3: 78:[18, 98] Operation: 35+63=98 Exploring Operation: 63-35=28, Resulting Numbers: [18, 28] Generated Node #0,2,4: 78:[18, 28] Operation: 63-35=28 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 78:[35, 81], Operations: ['75-57=18', '63+18=81'] Exploring Operation: 81-35=46, Resulting Numbers: [46] 46,78 unequal: No Solution Exploring Operation: 35+81=116, Resulting Numbers: [116] 116,78 unequal: No Solution Exploring Operation: 35*81=2835, Resulting Numbers: [2835] 2835,78 unequal: No Solution No 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: 78:[18, 28], Operations: ['75-57=18', '63-35=28'] Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,78 unequal: No Solution Exploring Operation: 18+28=46, Resulting Numbers: [46] 46,78 unequal: No Solution Exploring Operation: 18*28=504, Resulting Numbers: [504] 504,78 unequal: No Solution No 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: 78:[35, 45], Operations: ['75-57=18', '63-18=45'] Exploring Operation: 35*45=1575, Resulting Numbers: [1575] 1575,78 unequal: No Solution Exploring Operation: 35+45=80, Resulting Numbers: [80] 80,78 unequal: No Solution Exploring Operation: 45-35=10, Resulting Numbers: [10] 10,78 unequal: No Solution No 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: 78:[63, 17], Operations: ['75-57=18', '35-18=17'] Exploring Operation: 63-17=46, Resulting Numbers: [46] 46,78 unequal: No Solution Exploring Operation: 63*17=1071, Resulting Numbers: [1071] 1071,78 unequal: No Solution Exploring Operation: 63+17=80, Resulting Numbers: [80] 80,78 unequal: No Solution No 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: 78:[18, 98], Operations: ['75-57=18', '35+63=98'] Exploring Operation: 18+98=116, Resulting Numbers: [116] 116,78 unequal: No Solution Exploring Operation: 98-18=80, Resulting Numbers: [80] 80,78 unequal: No Solution Exploring Operation: 18*98=1764, Resulting Numbers: [1764] 1764,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,3 Current State: 78:[6, 40], Operations: ['63-57=6', '75-35=40'] Exploring Operation: 6*40=240, Resulting Numbers: [240] 240,78 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,78 unequal: No Solution Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,78 unequal: No Solution Moving to Node #0,4,0 Current State: 78:[75, 41], Operations: ['57-35=22', '63-22=41'] Exploring Operation: 75*41=3075, Resulting Numbers: [3075] 3075,78 unequal: No Solution Exploring Operation: 75-41=34, Resulting Numbers: [34] 34,78 unequal: No Solution Exploring Operation: 75+41=116, Resulting Numbers: [116] 116,78 unequal: No Solution Moving to Node #0,4,1 Current State: 78:[22, 12], Operations: ['57-35=22', '75-63=12'] Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,78 unequal: No Solution Exploring Operation: 22*12=264, Resulting Numbers: [264] 264,78 unequal: No Solution Exploring Operation: 22+12=34, Resulting Numbers: [34] 34,78 unequal: No Solution Moving to Node #0,3,1 Current State: 78:[75, 41], Operations: ['63-57=6', '35+6=41'] Exploring Operation: 75*41=3075, Resulting Numbers: [3075] 3075,78 unequal: No Solution Exploring Operation: 75+41=116, Resulting Numbers: [116] 116,78 unequal: No Solution Exploring Operation: 75-41=34, Resulting Numbers: [34] 34,78 unequal: No Solution Moving to Node #0,0,4 Current State: 78:[12, 22], Operations: ['75-63=12', '57-35=22'] Exploring Operation: 12+22=34, Resulting Numbers: [34] 34,78 unequal: No Solution Exploring Operation: 12*22=264, Resulting Numbers: [264] 264,78 unequal: No Solution Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,78 unequal: No Solution Moving to Node #0,3,2 Current State: 78:[75, 29], Operations: ['63-57=6', '35-6=29'] Exploring Operation: 75*29=2175, Resulting Numbers: [2175] 2175,78 unequal: No Solution Exploring Operation: 75+29=104, Resulting Numbers: [104] 104,78 unequal: No Solution Exploring Operation: 75-29=46, Resulting Numbers: [46] 46,78 unequal: No Solution Moving to Node #0,3,4 Current State: 78:[35, 81], Operations: ['63-57=6', '75+6=81'] Exploring Operation: 35+81=116, Resulting Numbers: [116] 116,78 unequal: No Solution Exploring Operation: 81-35=46, Resulting Numbers: [46] 46,78 unequal: No Solution Exploring Operation: 35*81=2835, Resulting Numbers: [2835] 2835,78 unequal: No Solution Moving to Node #0,0,0 Current State: 78:[35, 45], Operations: ['75-63=12', '57-12=45'] Exploring Operation: 35*45=1575, Resulting Numbers: [1575] 1575,78 unequal: No Solution Exploring Operation: 35+45=80, Resulting Numbers: [80] 80,78 unequal: No Solution Exploring Operation: 45-35=10, Resulting Numbers: [10] 10,78 unequal: No Solution Moving to Node #0,4,4 Current State: 78:[75, 85], Operations: ['57-35=22', '63+22=85'] Exploring Operation: 75+85=160, Resulting Numbers: [160] 160,78 unequal: No Solution Exploring Operation: 75*85=6375, Resulting Numbers: [6375] 6375,78 unequal: No Solution Exploring Operation: 85-75=10, Resulting Numbers: [10] 10,78 unequal: No Solution Moving to Node #0,0,1 Current State: 78:[35, 69], Operations: ['75-63=12', '57+12=69'] Exploring Operation: 69-35=34, Resulting Numbers: [34] 34,78 unequal: No Solution Exploring Operation: 35+69=104, Resulting Numbers: [104] 104,78 unequal: No Solution Exploring Operation: 35*69=2415, Resulting Numbers: [2415] 2415,78 unequal: No Solution Moving to Node #0,3,0 Current State: 78:[35, 69], Operations: ['63-57=6', '75-6=69'] Exploring Operation: 35+69=104, Resulting Numbers: [104] 104,78 unequal: No Solution Exploring Operation: 69-35=34, Resulting Numbers: [34] 34,78 unequal: No Solution Exploring Operation: 35*69=2415, Resulting Numbers: [2415] 2415,78 unequal: No Solution Moving to Node #0,0,3 Current State: 78:[12, 92], Operations: ['75-63=12', '35+57=92'] Exploring Operation: 12+92=104, Resulting Numbers: [104] 104,78 unequal: No Solution Exploring Operation: 92-12=80, Resulting Numbers: [80] 80,78 unequal: No Solution Exploring Operation: 12*92=1104, Resulting Numbers: [1104] 1104,78 unequal: No Solution Moving to Node #0,0,2 Current State: 78:[57, 23], Operations: ['75-63=12', '35-12=23'] Exploring Operation: 57-23=34, Resulting Numbers: [34] 34,78 unequal: No Solution Exploring Operation: 57+23=80, Resulting Numbers: [80] 80,78 unequal: No Solution Exploring Operation: 57*23=1311, Resulting Numbers: [1311] 1311,78 unequal: No Solution Moving to Node #0,4,2 Current State: 78:[63, 53], Operations: ['57-35=22', '75-22=53'] Exploring Operation: 63-53=10, Resulting Numbers: [10] 10,78 unequal: No Solution Exploring Operation: 63+53=116, Resulting Numbers: [116] 116,78 unequal: No Solution Exploring Operation: 63*53=3339, Resulting Numbers: [3339] 3339,78 unequal: No Solution Moving to Node #0,4,3 Current State: 78:[63, 97], Operations: ['57-35=22', '75+22=97'] Exploring Operation: 63+97=160, Resulting Numbers: [160] 160,78 unequal: No Solution Exploring Operation: 63*97=6111, Resulting Numbers: [6111] 6111,78 unequal: No Solution Exploring Operation: 97-63=34, Resulting Numbers: [34] 34,78 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 27, 91, 93, 72 ]
18
[ "93-91=2", "27*2=54", "72-54=18" ]
Current State: 18:[27, 91, 93, 72], Operations: [] Exploring Operation: 93-91=2, Resulting Numbers: [27, 72, 2] Generated Node #2: [27, 72, 2] from Operation: 93-91=2 Current State: 18:[27, 72, 2], Operations: ['93-91=2'] Exploring Operation: 27*2=54, Resulting Numbers: [72, 54] Generated Node #3: [72, 54] from Operation: 27*2=54 Current State: 18:[72, 54], Operations: ['93-91=2', '27*2=54'] Exploring Operation: 72-54=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[27, 91, 93, 72], Operations: [] Exploring Operation: 91-72=19, Resulting Numbers: [27, 93, 19] Generated Node #0,0: 18:[27, 93, 19] Operation: 91-72=19 Exploring Operation: 93-72=21, Resulting Numbers: [27, 91, 21] Generated Node #0,1: 18:[27, 91, 21] Operation: 93-72=21 Exploring Operation: 91-27=64, Resulting Numbers: [93, 72, 64] Generated Node #0,2: 18:[93, 72, 64] Operation: 91-27=64 Exploring Operation: 93-91=2, Resulting Numbers: [27, 72, 2] Generated Node #0,3: 18:[27, 72, 2] Operation: 93-91=2 Moving to Node #0,3 Current State: 18:[27, 72, 2], Operations: ['93-91=2'] Exploring Operation: 72-27=45, Resulting Numbers: [2, 45] Generated Node #0,3,0: 18:[2, 45] Operation: 72-27=45 Exploring Operation: 27-2=25, Resulting Numbers: [72, 25] Generated Node #0,3,1: 18:[72, 25] Operation: 27-2=25 Exploring Operation: 72/2=36, Resulting Numbers: [27, 36] Generated Node #0,3,2: 18:[27, 36] Operation: 72/2=36 Exploring Operation: 72-2=70, Resulting Numbers: [27, 70] Generated Node #0,3,3: 18:[27, 70] Operation: 72-2=70 Moving to Node #0,1 Current State: 18:[27, 91, 21], Operations: ['93-72=21'] Exploring Operation: 27-21=6, Resulting Numbers: [91, 6] Generated Node #0,1,0: 18:[91, 6] Operation: 27-21=6 Exploring Operation: 91-21=70, Resulting Numbers: [27, 70] Generated Node #0,1,1: 18:[27, 70] Operation: 91-21=70 Exploring Operation: 91-27=64, Resulting Numbers: [21, 64] Generated Node #0,1,2: 18:[21, 64] Operation: 91-27=64 Exploring Operation: 27+91=118, Resulting Numbers: [21, 118] Generated Node #0,1,3: 18:[21, 118] Operation: 27+91=118 Moving to Node #0,0 Current State: 18:[27, 93, 19], Operations: ['91-72=19'] Exploring Operation: 27+93=120, Resulting Numbers: [19, 120] Generated Node #0,0,0: 18:[19, 120] Operation: 27+93=120 Exploring Operation: 93-27=66, Resulting Numbers: [19, 66] Generated Node #0,0,1: 18:[19, 66] Operation: 93-27=66 Exploring Operation: 93-19=74, Resulting Numbers: [27, 74] Generated Node #0,0,2: 18:[27, 74] Operation: 93-19=74 Exploring Operation: 27-19=8, Resulting Numbers: [93, 8] Generated Node #0,0,3: 18:[93, 8] Operation: 27-19=8 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 18:[19, 66], Operations: ['91-72=19', '93-27=66'] Exploring Operation: 19+66=85, Resulting Numbers: [85] 85,18 unequal: No Solution Exploring Operation: 19*66=1254, Resulting Numbers: [1254] 1254,18 unequal: No Solution Exploring Operation: 66-19=47, Resulting Numbers: [47] 47,18 unequal: No Solution No 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: 18:[27, 74], Operations: ['91-72=19', '93-19=74'] Exploring Operation: 74-27=47, Resulting Numbers: [47] 47,18 unequal: No Solution Exploring Operation: 27*74=1998, Resulting Numbers: [1998] 1998,18 unequal: No Solution Exploring Operation: 27+74=101, Resulting Numbers: [101] 101,18 unequal: No Solution No 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: 18:[93, 8], Operations: ['91-72=19', '27-19=8'] Exploring Operation: 93+8=101, Resulting Numbers: [101] 101,18 unequal: No Solution Exploring Operation: 93-8=85, Resulting Numbers: [85] 85,18 unequal: No Solution Exploring Operation: 93*8=744, Resulting Numbers: [744] 744,18 unequal: No Solution No 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: 18:[19, 120], Operations: ['91-72=19', '27+93=120'] Exploring Operation: 19*120=2280, Resulting Numbers: [2280] 2280,18 unequal: No Solution Exploring Operation: 120-19=101, Resulting Numbers: [101] 101,18 unequal: No Solution Exploring Operation: 19+120=139, Resulting Numbers: [139] 139,18 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: 18:[93, 72, 64], Operations: ['91-27=64'] Exploring Operation: 93-72=21, Resulting Numbers: [64, 21] Generated Node #0,2,0: 18:[64, 21] Operation: 93-72=21 Exploring Operation: 93-64=29, Resulting Numbers: [72, 29] Generated Node #0,2,1: 18:[72, 29] Operation: 93-64=29 Exploring Operation: 93+72=165, Resulting Numbers: [64, 165] Generated Node #0,2,2: 18:[64, 165] Operation: 93+72=165 Exploring Operation: 72-64=8, Resulting Numbers: [93, 8] Generated Node #0,2,3: 18:[93, 8] Operation: 72-64=8 Moving to Node #0,3,0 Current State: 18:[2, 45], Operations: ['93-91=2', '72-27=45'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,18 unequal: No Solution Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,18 unequal: No Solution Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,18 unequal: No Solution Moving to Node #0,3,2 Current State: 18:[27, 36], Operations: ['93-91=2', '72/2=36'] Exploring Operation: 27*36=972, Resulting Numbers: [972] 972,18 unequal: No Solution Exploring Operation: 27+36=63, Resulting Numbers: [63] 63,18 unequal: No Solution Exploring Operation: 36-27=9, Resulting Numbers: [9] 9,18 unequal: No Solution Moving to Node #0,1,2 Current State: 18:[21, 64], Operations: ['93-72=21', '91-27=64'] Exploring Operation: 64-21=43, Resulting Numbers: [43] 43,18 unequal: No Solution Exploring Operation: 21*64=1344, Resulting Numbers: [1344] 1344,18 unequal: No Solution Exploring Operation: 21+64=85, Resulting Numbers: [85] 85,18 unequal: No Solution Moving to Node #0,2,0 Current State: 18:[64, 21], Operations: ['91-27=64', '93-72=21'] Exploring Operation: 64-21=43, Resulting Numbers: [43] 43,18 unequal: No Solution Exploring Operation: 64+21=85, Resulting Numbers: [85] 85,18 unequal: No Solution Exploring Operation: 64*21=1344, Resulting Numbers: [1344] 1344,18 unequal: No Solution Moving to Node #0,3,1 Current State: 18:[72, 25], Operations: ['93-91=2', '27-2=25'] Exploring Operation: 72-25=47, Resulting Numbers: [47] 47,18 unequal: No Solution Exploring Operation: 72+25=97, Resulting Numbers: [97] 97,18 unequal: No Solution Exploring Operation: 72*25=1800, Resulting Numbers: [1800] 1800,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[27, 70], Operations: ['93-72=21', '91-21=70'] Exploring Operation: 27+70=97, Resulting Numbers: [97] 97,18 unequal: No Solution Exploring Operation: 70-27=43, Resulting Numbers: [43] 43,18 unequal: No Solution Exploring Operation: 27*70=1890, Resulting Numbers: [1890] 1890,18 unequal: No Solution Moving to Node #0,3,3 Current State: 18:[27, 70], Operations: ['93-91=2', '72-2=70'] Exploring Operation: 27+70=97, Resulting Numbers: [97] 97,18 unequal: No Solution Exploring Operation: 70-27=43, Resulting Numbers: [43] 43,18 unequal: No Solution Exploring Operation: 27*70=1890, Resulting Numbers: [1890] 1890,18 unequal: No Solution Moving to Node #0,2,1 Current State: 18:[72, 29], Operations: ['91-27=64', '93-64=29'] Exploring Operation: 72*29=2088, Resulting Numbers: [2088] 2088,18 unequal: No Solution Exploring Operation: 72+29=101, Resulting Numbers: [101] 101,18 unequal: No Solution Exploring Operation: 72-29=43, Resulting Numbers: [43] 43,18 unequal: No Solution Moving to Node #0,1,0 Current State: 18:[91, 6], Operations: ['93-72=21', '27-21=6'] Exploring Operation: 91+6=97, Resulting Numbers: [97] 97,18 unequal: No Solution Exploring Operation: 91*6=546, Resulting Numbers: [546] 546,18 unequal: No Solution Exploring Operation: 91-6=85, Resulting Numbers: [85] 85,18 unequal: No Solution Moving to Node #0,2,3 Current State: 18:[93, 8], Operations: ['91-27=64', '72-64=8'] Exploring Operation: 93*8=744, Resulting Numbers: [744] 744,18 unequal: No Solution Exploring Operation: 93+8=101, Resulting Numbers: [101] 101,18 unequal: No Solution Exploring Operation: 93-8=85, Resulting Numbers: [85] 85,18 unequal: No Solution Moving to Node #0,1,3 Current State: 18:[21, 118], Operations: ['93-72=21', '27+91=118'] Exploring Operation: 118-21=97, Resulting Numbers: [97] 97,18 unequal: No Solution Exploring Operation: 21*118=2478, Resulting Numbers: [2478] 2478,18 unequal: No Solution Exploring Operation: 21+118=139, Resulting Numbers: [139] 139,18 unequal: No Solution Moving to Node #0,2,2 Current State: 18:[64, 165], Operations: ['91-27=64', '93+72=165'] Exploring Operation: 165-64=101, Resulting Numbers: [101] 101,18 unequal: No Solution Exploring Operation: 64*165=10560, Resulting Numbers: [10560] 10560,18 unequal: No Solution Exploring Operation: 64+165=229, Resulting Numbers: [229] 229,18 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 2, 36, 11, 14 ]
46
[ "36*14=504", "2+504=506", "506/11=46" ]
Current State: 46:[2, 36, 11, 14], Operations: [] Exploring Operation: 36*14=504, Resulting Numbers: [2, 11, 504] Generated Node #2: [2, 11, 504] from Operation: 36*14=504 Current State: 46:[2, 11, 504], Operations: ['36*14=504'] Exploring Operation: 2+504=506, Resulting Numbers: [11, 506] Generated Node #3: [11, 506] from Operation: 2+504=506 Current State: 46:[11, 506], Operations: ['36*14=504', '2+504=506'] Exploring Operation: 506/11=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[2, 36, 11, 14], Operations: [] Exploring Operation: 36+11=47, Resulting Numbers: [2, 14, 47] Generated Node #0,0: 46:[2, 14, 47] Operation: 36+11=47 Exploring Operation: 36-14=22, Resulting Numbers: [2, 11, 22] Generated Node #0,1: 46:[2, 11, 22] Operation: 36-14=22 Moving to Node #0,0 Current State: 46:[2, 14, 47], Operations: ['36+11=47'] Exploring Operation: 2*14=28, Resulting Numbers: [47, 28] Generated Node #0,0,0: 46:[47, 28] Operation: 2*14=28 Exploring Operation: 14/2=7, Resulting Numbers: [47, 7] Generated Node #0,0,1: 46:[47, 7] Operation: 14/2=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[47, 28], Operations: ['36+11=47', '2*14=28'] Exploring Operation: 47-28=19, Resulting Numbers: [19] 19,46 unequal: No Solution Exploring Operation: 47+28=75, Resulting Numbers: [75] 75,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 46:[47, 7], Operations: ['36+11=47', '14/2=7'] Exploring Operation: 47+7=54, Resulting Numbers: [54] 54,46 unequal: No Solution Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,46 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: 46:[2, 11, 22], Operations: ['36-14=22'] Exploring Operation: 22/11=2, Resulting Numbers: [2, 2] Generated Node #0,1,0: 46:[2, 2] Operation: 22/11=2 Exploring Operation: 2*11=22, Resulting Numbers: [22, 22] Generated Node #0,1,1: 46:[22, 22] Operation: 2*11=22 Moving to Node #0,1,0 Current State: 46:[2, 2], Operations: ['36-14=22', '22/11=2'] Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,46 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[22, 22], Operations: ['36-14=22', '2*11=22'] Exploring Operation: 22+22=44, Resulting Numbers: [44] 44,46 unequal: No Solution Exploring Operation: 22/22=1, Resulting Numbers: [1] 1,46 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 28, 31, 44, 41 ]
53
[ "44-41=3", "28*3=84", "84-31=53" ]
Current State: 53:[28, 31, 44, 41], Operations: [] Exploring Operation: 44-41=3, Resulting Numbers: [28, 31, 3] Generated Node #2: [28, 31, 3] from Operation: 44-41=3 Current State: 53:[28, 31, 3], Operations: ['44-41=3'] Exploring Operation: 28*3=84, Resulting Numbers: [31, 84] Generated Node #3: [31, 84] from Operation: 28*3=84 Current State: 53:[31, 84], Operations: ['44-41=3', '28*3=84'] Exploring Operation: 84-31=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[28, 31, 44, 41], Operations: [] Exploring Operation: 28+31=59, Resulting Numbers: [44, 41, 59] Generated Node #0,0: 53:[44, 41, 59] Operation: 28+31=59 Exploring Operation: 28+41=69, Resulting Numbers: [31, 44, 69] Generated Node #0,1: 53:[31, 44, 69] Operation: 28+41=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[44, 41, 59], Operations: ['28+31=59'] Exploring Operation: 44+41=85, Resulting Numbers: [59, 85] Generated Node #0,0,0: 53:[59, 85] Operation: 44+41=85 Exploring Operation: 59-41=18, Resulting Numbers: [44, 18] Generated Node #0,0,1: 53:[44, 18] Operation: 59-41=18 Moving to Node #0,0,0 Current State: 53:[59, 85], Operations: ['28+31=59', '44+41=85'] Exploring Operation: 59+85=144, Resulting Numbers: [144] 144,53 unequal: No Solution Exploring Operation: 85-59=26, Resulting Numbers: [26] 26,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[44, 18], Operations: ['28+31=59', '59-41=18'] Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,53 unequal: No Solution Exploring Operation: 44+18=62, Resulting Numbers: [62] 62,53 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:[31, 44, 69], Operations: ['28+41=69'] Exploring Operation: 31+44=75, Resulting Numbers: [69, 75] Generated Node #0,1,0: 53:[69, 75] Operation: 31+44=75 Exploring Operation: 69-31=38, Resulting Numbers: [44, 38] Generated Node #0,1,1: 53:[44, 38] Operation: 69-31=38 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 53:[44, 38], Operations: ['28+41=69', '69-31=38'] Exploring Operation: 44-38=6, Resulting Numbers: [6] 6,53 unequal: No Solution Exploring Operation: 44+38=82, Resulting Numbers: [82] 82,53 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 #0,1,0 Current State: 53:[69, 75], Operations: ['28+41=69', '31+44=75'] Exploring Operation: 75-69=6, Resulting Numbers: [6] 6,53 unequal: No Solution Exploring Operation: 69+75=144, Resulting Numbers: [144] 144,53 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
[ 55, 72, 48, 12 ]
53
[ "72-55=17", "48-12=36", "17+36=53" ]
Current State: 53:[55, 72, 48, 12], Operations: [] Exploring Operation: 72-55=17, Resulting Numbers: [48, 12, 17] Generated Node #2: [48, 12, 17] from Operation: 72-55=17 Current State: 53:[48, 12, 17], Operations: ['72-55=17'] Exploring Operation: 48-12=36, Resulting Numbers: [17, 36] Generated Node #3: [17, 36] from Operation: 48-12=36 Current State: 53:[17, 36], Operations: ['72-55=17', '48-12=36'] Exploring Operation: 17+36=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[55, 72, 48, 12], Operations: [] Exploring Operation: 48+12=60, Resulting Numbers: [55, 72, 60] Generated Node #0,0: 53:[55, 72, 60] Operation: 48+12=60 Exploring Operation: 72-12=60, Resulting Numbers: [55, 48, 60] Generated Node #0,1: 53:[55, 48, 60] Operation: 72-12=60 Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[55, 48, 60], Operations: ['72-12=60'] Exploring Operation: 60-48=12, Resulting Numbers: [55, 12] Generated Node #0,1,0: 53:[55, 12] Operation: 60-48=12 Exploring Operation: 55-48=7, Resulting Numbers: [60, 7] Generated Node #0,1,1: 53:[60, 7] Operation: 55-48=7 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[55, 12], Operations: ['72-12=60', '60-48=12'] Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,53 unequal: No Solution Exploring Operation: 55+12=67, Resulting Numbers: [67] 67,53 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:[60, 7], Operations: ['72-12=60', '55-48=7'] Exploring Operation: 60+7=67, Resulting Numbers: [67] 67,53 unequal: No Solution Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[55, 72, 48, 12], Operations: [] Exploring Operation: 72-12=60, Resulting Numbers: [55, 48, 60] Generated Node #0,1: 53:[55, 48, 60] Operation: 72-12=60 Moving to Node #0,1 Current State: 53:[55, 48, 60], Operations: ['72-12=60'] Exploring Operation: 55-48=7, Resulting Numbers: [60, 7] Generated Node #0,1,1: 53:[60, 7] Operation: 55-48=7 Moving to Node #0,1,1 Current State: 53:[60, 7], Operations: ['72-12=60', '55-48=7'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 48, 1, 82, 3 ]
66
[ "48*1=48", "48/3=16", "82-16=66" ]
Current State: 66:[48, 1, 82, 3], Operations: [] Exploring Operation: 48*1=48, Resulting Numbers: [82, 3, 48] Generated Node #2: [82, 3, 48] from Operation: 48*1=48 Current State: 66:[82, 3, 48], Operations: ['48*1=48'] Exploring Operation: 48/3=16, Resulting Numbers: [82, 16] Generated Node #3: [82, 16] from Operation: 48/3=16 Current State: 66:[82, 16], Operations: ['48*1=48', '48/3=16'] Exploring Operation: 82-16=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[48, 1, 82, 3], Operations: [] Exploring Operation: 48/3=16, Resulting Numbers: [1, 82, 16] Generated Node #0,0: 66:[1, 82, 16] Operation: 48/3=16 Exploring Operation: 82-48=34, Resulting Numbers: [1, 3, 34] Generated Node #0,1: 66:[1, 3, 34] Operation: 82-48=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[1, 3, 34], Operations: ['82-48=34'] Exploring Operation: 1*3=3, Resulting Numbers: [34, 3] Generated Node #0,1,0: 66:[34, 3] Operation: 1*3=3 Exploring Operation: 34-1=33, Resulting Numbers: [3, 33] Generated Node #0,1,1: 66:[3, 33] Operation: 34-1=33 Moving to Node #0,1,1 Current State: 66:[3, 33], Operations: ['82-48=34', '34-1=33'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,66 unequal: No Solution Exploring Operation: 3+33=36, Resulting Numbers: [36] 36,66 unequal: No Solution Moving to Node #0,1,0 Current State: 66:[34, 3], Operations: ['82-48=34', '1*3=3'] Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,66 unequal: No Solution Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[1, 82, 16], Operations: ['48/3=16'] Exploring Operation: 82-16=66, Resulting Numbers: [1, 66] Generated Node #0,0,0: 66:[1, 66] Operation: 82-16=66 Exploring Operation: 82-1=81, Resulting Numbers: [16, 81] Generated Node #0,0,1: 66:[16, 81] Operation: 82-1=81 Moving to Node #0,0,0 Current State: 66:[1, 66], Operations: ['48/3=16', '82-16=66'] Exploring Operation: 66/1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[48, 1, 82, 3], Operations: [] Exploring Operation: 48/3=16, Resulting Numbers: [1, 82, 16] Generated Node #0,0: 66:[1, 82, 16] Operation: 48/3=16 Moving to Node #0,0 Current State: 66:[1, 82, 16], Operations: ['48/3=16'] Exploring Operation: 82-16=66, Resulting Numbers: [1, 66] Generated Node #0,0,0: 66:[1, 66] Operation: 82-16=66 Moving to Node #0,0,0 Current State: 66:[1, 66], Operations: ['48/3=16', '82-16=66'] Exploring Operation: 66/1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 6, 23, 16, 41 ]
86
[ "6+23=29", "16+41=57", "29+57=86" ]
Current State: 86:[6, 23, 16, 41], Operations: [] Exploring Operation: 6+23=29, Resulting Numbers: [16, 41, 29] Generated Node #2: [16, 41, 29] from Operation: 6+23=29 Current State: 86:[16, 41, 29], Operations: ['6+23=29'] Exploring Operation: 16+41=57, Resulting Numbers: [29, 57] Generated Node #3: [29, 57] from Operation: 16+41=57 Current State: 86:[29, 57], Operations: ['6+23=29', '16+41=57'] Exploring Operation: 29+57=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[6, 23, 16, 41], Operations: [] Exploring Operation: 23+16=39, Resulting Numbers: [6, 41, 39] Generated Node #0,0: 86:[6, 41, 39] Operation: 23+16=39 Moving to Node #0,0 Current State: 86:[6, 41, 39], Operations: ['23+16=39'] Exploring Operation: 6+39=45, Resulting Numbers: [41, 45] Generated Node #0,0,0: 86:[41, 45] Operation: 6+39=45 Moving to Node #0,0,0 Current State: 86:[41, 45], Operations: ['23+16=39', '6+39=45'] Exploring Operation: 41+45=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[6, 23, 16, 41], Operations: [] Exploring Operation: 23+16=39, Resulting Numbers: [6, 41, 39] Generated Node #0,0: 86:[6, 41, 39] Operation: 23+16=39 Moving to Node #0,0 Current State: 86:[6, 41, 39], Operations: ['23+16=39'] Exploring Operation: 6+39=45, Resulting Numbers: [41, 45] Generated Node #0,0,0: 86:[41, 45] Operation: 6+39=45 Moving to Node #0,0,0 Current State: 86:[41, 45], Operations: ['23+16=39', '6+39=45'] Exploring Operation: 41+45=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 60, 88, 17, 1 ]
44
[ "88-60=28", "17-1=16", "28+16=44" ]
Current State: 44:[60, 88, 17, 1], Operations: [] Exploring Operation: 88-60=28, Resulting Numbers: [17, 1, 28] Generated Node #2: [17, 1, 28] from Operation: 88-60=28 Current State: 44:[17, 1, 28], Operations: ['88-60=28'] Exploring Operation: 17-1=16, Resulting Numbers: [28, 16] Generated Node #3: [28, 16] from Operation: 17-1=16 Current State: 44:[28, 16], Operations: ['88-60=28', '17-1=16'] Exploring Operation: 28+16=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[60, 88, 17, 1], Operations: [] Exploring Operation: 88-1=87, Resulting Numbers: [60, 17, 87] Generated Node #0,0: 44:[60, 17, 87] Operation: 88-1=87 Exploring Operation: 60-1=59, Resulting Numbers: [88, 17, 59] Generated Node #0,1: 44:[88, 17, 59] Operation: 60-1=59 Exploring Operation: 60-17=43, Resulting Numbers: [88, 1, 43] Generated Node #0,2: 44:[88, 1, 43] Operation: 60-17=43 Exploring Operation: 88-60=28, Resulting Numbers: [17, 1, 28] Generated Node #0,3: 44:[17, 1, 28] Operation: 88-60=28 Exploring Operation: 88-17=71, Resulting Numbers: [60, 1, 71] Generated Node #0,4: 44:[60, 1, 71] Operation: 88-17=71 Start Sub Search at level 1: Moving to Node #0,3 Current State: 44:[17, 1, 28], Operations: ['88-60=28'] Exploring Operation: 28-1=27, Resulting Numbers: [17, 27] Generated Node #0,3,0: 44:[17, 27] Operation: 28-1=27 Exploring Operation: 17+1=18, Resulting Numbers: [28, 18] Generated Node #0,3,1: 44:[28, 18] Operation: 17+1=18 Exploring Operation: 17*1=17, Resulting Numbers: [28, 17] Generated Node #0,3,2: 44:[28, 17] Operation: 17*1=17 Exploring Operation: 28-17=11, Resulting Numbers: [1, 11] Generated Node #0,3,3: 44:[1, 11] Operation: 28-17=11 Exploring Operation: 17+28=45, Resulting Numbers: [1, 45] Generated Node #0,3,4: 44:[1, 45] Operation: 17+28=45 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 44:[1, 11], Operations: ['88-60=28', '28-17=11'] Exploring Operation: 1*11=11, Resulting Numbers: [11] 11,44 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,44 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,44 unequal: No Solution Exploring Operation: 1+11=12, Resulting Numbers: [12] 12,44 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 #0,3,4 Current State: 44:[1, 45], Operations: ['88-60=28', '17+28=45'] Exploring Operation: 1*45=45, Resulting Numbers: [45] 45,44 unequal: No Solution Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[60, 88, 17, 1], Operations: [] Exploring Operation: 88-60=28, Resulting Numbers: [17, 1, 28] Generated Node #0,3: 44:[17, 1, 28] Operation: 88-60=28 Moving to Node #0,3 Current State: 44:[17, 1, 28], Operations: ['88-60=28'] Exploring Operation: 17+28=45, Resulting Numbers: [1, 45] Generated Node #0,3,4: 44:[1, 45] Operation: 17+28=45 Moving to Node #0,3,4 Current State: 44:[1, 45], Operations: ['88-60=28', '17+28=45'] Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 20, 48, 40, 82 ]
32
[ "40/20=2", "82-48=34", "34-2=32" ]
Current State: 32:[20, 48, 40, 82], Operations: [] Exploring Operation: 40/20=2, Resulting Numbers: [48, 82, 2] Generated Node #2: [48, 82, 2] from Operation: 40/20=2 Current State: 32:[48, 82, 2], Operations: ['40/20=2'] Exploring Operation: 82-48=34, Resulting Numbers: [2, 34] Generated Node #3: [2, 34] from Operation: 82-48=34 Current State: 32:[2, 34], Operations: ['40/20=2', '82-48=34'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[20, 48, 40, 82], Operations: [] Exploring Operation: 48-20=28, Resulting Numbers: [40, 82, 28] Generated Node #0,0: 32:[40, 82, 28] Operation: 48-20=28 Exploring Operation: 82-20=62, Resulting Numbers: [48, 40, 62] Generated Node #0,1: 32:[48, 40, 62] Operation: 82-20=62 Exploring Operation: 82-48=34, Resulting Numbers: [20, 40, 34] Generated Node #0,2: 32:[20, 40, 34] Operation: 82-48=34 Exploring Operation: 82-40=42, Resulting Numbers: [20, 48, 42] Generated Node #0,3: 32:[20, 48, 42] Operation: 82-40=42 Exploring Operation: 48-40=8, Resulting Numbers: [20, 82, 8] Generated Node #0,4: 32:[20, 82, 8] Operation: 48-40=8 Moving to Node #0,2 Current State: 32:[20, 40, 34], Operations: ['82-48=34'] Exploring Operation: 40-20=20, Resulting Numbers: [34, 20] Generated Node #0,2,0: 32:[34, 20] Operation: 40-20=20 Exploring Operation: 20+40=60, Resulting Numbers: [34, 60] Generated Node #0,2,1: 32:[34, 60] Operation: 20+40=60 Exploring Operation: 40-34=6, Resulting Numbers: [20, 6] Generated Node #0,2,2: 32:[20, 6] Operation: 40-34=6 Exploring Operation: 40/20=2, Resulting Numbers: [34, 2] Generated Node #0,2,3: 32:[34, 2] Operation: 40/20=2 Exploring Operation: 34-20=14, Resulting Numbers: [40, 14] Generated Node #0,2,4: 32:[40, 14] Operation: 34-20=14 Moving to Node #0,3 Current State: 32:[20, 48, 42], Operations: ['82-40=42'] Exploring Operation: 48-20=28, Resulting Numbers: [42, 28] Generated Node #0,3,0: 32:[42, 28] Operation: 48-20=28 Exploring Operation: 20+42=62, Resulting Numbers: [48, 62] Generated Node #0,3,1: 32:[48, 62] Operation: 20+42=62 Exploring Operation: 42-20=22, Resulting Numbers: [48, 22] Generated Node #0,3,2: 32:[48, 22] Operation: 42-20=22 Exploring Operation: 20+48=68, Resulting Numbers: [42, 68] Generated Node #0,3,3: 32:[42, 68] Operation: 20+48=68 Exploring Operation: 48-42=6, Resulting Numbers: [20, 6] Generated Node #0,3,4: 32:[20, 6] Operation: 48-42=6 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 32:[20, 6], Operations: ['82-40=42', '48-42=6'] Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,32 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 20*6=120, Resulting Numbers: [120] 120,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 32:[42, 28], Operations: ['82-40=42', '48-20=28'] Exploring Operation: 42+28=70, Resulting Numbers: [70] 70,32 unequal: No Solution Exploring Operation: 42*28=1176, Resulting Numbers: [1176] 1176,32 unequal: No Solution Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 32:[48, 22], Operations: ['82-40=42', '42-20=22'] Exploring Operation: 48*22=1056, Resulting Numbers: [1056] 1056,32 unequal: No Solution Exploring Operation: 48+22=70, Resulting Numbers: [70] 70,32 unequal: No Solution Exploring Operation: 48-22=26, Resulting Numbers: [26] 26,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 32:[48, 62], Operations: ['82-40=42', '20+42=62'] Exploring Operation: 62-48=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 48+62=110, Resulting Numbers: [110] 110,32 unequal: No Solution Exploring Operation: 48*62=2976, Resulting Numbers: [2976] 2976,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 32:[42, 68], Operations: ['82-40=42', '20+48=68'] Exploring Operation: 42*68=2856, Resulting Numbers: [2856] 2856,32 unequal: No Solution Exploring Operation: 42+68=110, Resulting Numbers: [110] 110,32 unequal: No Solution Exploring Operation: 68-42=26, Resulting Numbers: [26] 26,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 32:[48, 40, 62], Operations: ['82-20=62'] Exploring Operation: 48-40=8, Resulting Numbers: [62, 8] Generated Node #0,1,0: 32:[62, 8] Operation: 48-40=8 Exploring Operation: 48+40=88, Resulting Numbers: [62, 88] Generated Node #0,1,1: 32:[62, 88] Operation: 48+40=88 Exploring Operation: 62-48=14, Resulting Numbers: [40, 14] Generated Node #0,1,2: 32:[40, 14] Operation: 62-48=14 Exploring Operation: 62-40=22, Resulting Numbers: [48, 22] Generated Node #0,1,3: 32:[48, 22] Operation: 62-40=22 Exploring Operation: 48+62=110, Resulting Numbers: [40, 110] Generated Node #0,1,4: 32:[40, 110] Operation: 48+62=110 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 32:[40, 14], Operations: ['82-20=62', '62-48=14'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,32 unequal: No Solution Exploring Operation: 40*14=560, Resulting Numbers: [560] 560,32 unequal: No Solution Exploring Operation: 40+14=54, Resulting Numbers: [54] 54,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 32:[48, 22], Operations: ['82-20=62', '62-40=22'] Exploring Operation: 48-22=26, Resulting Numbers: [26] 26,32 unequal: No Solution Exploring Operation: 48*22=1056, Resulting Numbers: [1056] 1056,32 unequal: No Solution Exploring Operation: 48+22=70, Resulting Numbers: [70] 70,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 32:[62, 8], Operations: ['82-20=62', '48-40=8'] Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,32 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,32 unequal: No Solution Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 32:[62, 88], Operations: ['82-20=62', '48+40=88'] Exploring Operation: 62+88=150, Resulting Numbers: [150] 150,32 unequal: No Solution Exploring Operation: 62*88=5456, Resulting Numbers: [5456] 5456,32 unequal: No Solution Exploring Operation: 88-62=26, Resulting Numbers: [26] 26,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 32:[40, 110], Operations: ['82-20=62', '48+62=110'] Exploring Operation: 40*110=4400, Resulting Numbers: [4400] 4400,32 unequal: No Solution Exploring Operation: 110-40=70, Resulting Numbers: [70] 70,32 unequal: No Solution Exploring Operation: 40+110=150, Resulting Numbers: [150] 150,32 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: 32:[20, 82, 8], Operations: ['48-40=8'] Exploring Operation: 82+8=90, Resulting Numbers: [20, 90] Generated Node #0,4,0: 32:[20, 90] Operation: 82+8=90 Exploring Operation: 82-8=74, Resulting Numbers: [20, 74] Generated Node #0,4,1: 32:[20, 74] Operation: 82-8=74 Exploring Operation: 20+8=28, Resulting Numbers: [82, 28] Generated Node #0,4,2: 32:[82, 28] Operation: 20+8=28 Exploring Operation: 20-8=12, Resulting Numbers: [82, 12] Generated Node #0,4,3: 32:[82, 12] Operation: 20-8=12 Exploring Operation: 82-20=62, Resulting Numbers: [8, 62] Generated Node #0,4,4: 32:[8, 62] Operation: 82-20=62 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 32:[8, 62], Operations: ['48-40=8', '82-20=62'] Exploring Operation: 8*62=496, Resulting Numbers: [496] 496,32 unequal: No Solution Exploring Operation: 8+62=70, Resulting Numbers: [70] 70,32 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 32:[20, 74], Operations: ['48-40=8', '82-8=74'] Exploring Operation: 20*74=1480, Resulting Numbers: [1480] 1480,32 unequal: No Solution Exploring Operation: 74-20=54, Resulting Numbers: [54] 54,32 unequal: No Solution Exploring Operation: 20+74=94, Resulting Numbers: [94] 94,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 32:[82, 28], Operations: ['48-40=8', '20+8=28'] Exploring Operation: 82+28=110, Resulting Numbers: [110] 110,32 unequal: No Solution Exploring Operation: 82-28=54, Resulting Numbers: [54] 54,32 unequal: No Solution Exploring Operation: 82*28=2296, Resulting Numbers: [2296] 2296,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 32:[82, 12], Operations: ['48-40=8', '20-8=12'] Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,32 unequal: No Solution Exploring Operation: 82*12=984, Resulting Numbers: [984] 984,32 unequal: No Solution Exploring Operation: 82+12=94, Resulting Numbers: [94] 94,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 32:[20, 90], Operations: ['48-40=8', '82+8=90'] Exploring Operation: 90-20=70, Resulting Numbers: [70] 70,32 unequal: No Solution Exploring Operation: 20*90=1800, Resulting Numbers: [1800] 1800,32 unequal: No Solution Exploring Operation: 20+90=110, Resulting Numbers: [110] 110,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 32:[40, 82, 28], Operations: ['48-20=28'] Exploring Operation: 82-40=42, Resulting Numbers: [28, 42] Generated Node #0,0,0: 32:[28, 42] Operation: 82-40=42 Exploring Operation: 82+28=110, Resulting Numbers: [40, 110] Generated Node #0,0,1: 32:[40, 110] Operation: 82+28=110 Exploring Operation: 40+28=68, Resulting Numbers: [82, 68] Generated Node #0,0,2: 32:[82, 68] Operation: 40+28=68 Exploring Operation: 82-28=54, Resulting Numbers: [40, 54] Generated Node #0,0,3: 32:[40, 54] Operation: 82-28=54 Exploring Operation: 40-28=12, Resulting Numbers: [82, 12] Generated Node #0,0,4: 32:[82, 12] Operation: 40-28=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[28, 42], Operations: ['48-20=28', '82-40=42'] Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 28+42=70, Resulting Numbers: [70] 70,32 unequal: No Solution Exploring Operation: 28*42=1176, Resulting Numbers: [1176] 1176,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 32:[40, 54], Operations: ['48-20=28', '82-28=54'] Exploring Operation: 40+54=94, Resulting Numbers: [94] 94,32 unequal: No Solution Exploring Operation: 54-40=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 40*54=2160, Resulting Numbers: [2160] 2160,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 32:[82, 12], Operations: ['48-20=28', '40-28=12'] Exploring Operation: 82+12=94, Resulting Numbers: [94] 94,32 unequal: No Solution Exploring Operation: 82*12=984, Resulting Numbers: [984] 984,32 unequal: No Solution Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 32:[40, 110], Operations: ['48-20=28', '82+28=110'] Exploring Operation: 110-40=70, Resulting Numbers: [70] 70,32 unequal: No Solution Exploring Operation: 40+110=150, Resulting Numbers: [150] 150,32 unequal: No Solution Exploring Operation: 40*110=4400, Resulting Numbers: [4400] 4400,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 32:[82, 68], Operations: ['48-20=28', '40+28=68'] Exploring Operation: 82*68=5576, Resulting Numbers: [5576] 5576,32 unequal: No Solution Exploring Operation: 82+68=150, Resulting Numbers: [150] 150,32 unequal: No Solution Exploring Operation: 82-68=14, Resulting Numbers: [14] 14,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 32:[34, 2], Operations: ['82-48=34', '40/20=2'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,32 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[20, 48, 40, 82], Operations: [] Exploring Operation: 82-48=34, Resulting Numbers: [20, 40, 34] Generated Node #0,2: 32:[20, 40, 34] Operation: 82-48=34 Moving to Node #0,2 Current State: 32:[20, 40, 34], Operations: ['82-48=34'] Exploring Operation: 40/20=2, Resulting Numbers: [34, 2] Generated Node #0,2,3: 32:[34, 2] Operation: 40/20=2 Moving to Node #0,2,3 Current State: 32:[34, 2], Operations: ['82-48=34', '40/20=2'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
0.915799
hs_5
mult_heuristic
[ 24, 93, 59, 43 ]
62
[ "59-43=16", "93*16=1488", "1488/24=62" ]
Current State: 62:[24, 93, 59, 43], Operations: [] Exploring Operation: 59-43=16, Resulting Numbers: [24, 93, 16] Generated Node #2: [24, 93, 16] from Operation: 59-43=16 Current State: 62:[24, 93, 16], Operations: ['59-43=16'] Exploring Operation: 93*16=1488, Resulting Numbers: [24, 1488] Generated Node #3: [24, 1488] from Operation: 93*16=1488 Current State: 62:[24, 1488], Operations: ['59-43=16', '93*16=1488'] Exploring Operation: 1488/24=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[24, 93, 59, 43], Operations: [] Exploring Operation: 93-43=50, Resulting Numbers: [24, 59, 50] Generated Node #0,0: 62:[24, 59, 50] Operation: 93-43=50 Exploring Operation: 93-59=34, Resulting Numbers: [24, 43, 34] Generated Node #0,1: 62:[24, 43, 34] Operation: 93-59=34 Exploring Operation: 93-24=69, Resulting Numbers: [59, 43, 69] Generated Node #0,2: 62:[59, 43, 69] Operation: 93-24=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[24, 59, 50], Operations: ['93-43=50'] Exploring Operation: 24+50=74, Resulting Numbers: [59, 74] Generated Node #0,0,0: 62:[59, 74] Operation: 24+50=74 Exploring Operation: 59-50=9, Resulting Numbers: [24, 9] Generated Node #0,0,1: 62:[24, 9] Operation: 59-50=9 Exploring Operation: 50-24=26, Resulting Numbers: [59, 26] Generated Node #0,0,2: 62:[59, 26] Operation: 50-24=26 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 62:[59, 26], Operations: ['93-43=50', '50-24=26'] Exploring Operation: 59*26=1534, Resulting Numbers: [1534] 1534,62 unequal: No Solution Exploring Operation: 59+26=85, Resulting Numbers: [85] 85,62 unequal: No Solution Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 62:[24, 9], Operations: ['93-43=50', '59-50=9'] Exploring Operation: 24*9=216, Resulting Numbers: [216] 216,62 unequal: No Solution Exploring Operation: 24+9=33, Resulting Numbers: [33] 33,62 unequal: No Solution Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 62:[59, 74], Operations: ['93-43=50', '24+50=74'] Exploring Operation: 59+74=133, Resulting Numbers: [133] 133,62 unequal: No Solution Exploring Operation: 74-59=15, Resulting Numbers: [15] 15,62 unequal: No Solution Exploring Operation: 59*74=4366, Resulting Numbers: [4366] 4366,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[24, 43, 34], Operations: ['93-59=34'] Exploring Operation: 43-24=19, Resulting Numbers: [34, 19] Generated Node #0,1,0: 62:[34, 19] Operation: 43-24=19 Exploring Operation: 24+43=67, Resulting Numbers: [34, 67] Generated Node #0,1,1: 62:[34, 67] Operation: 24+43=67 Exploring Operation: 43-34=9, Resulting Numbers: [24, 9] Generated Node #0,1,2: 62:[24, 9] Operation: 43-34=9 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 62:[34, 67], Operations: ['93-59=34', '24+43=67'] Exploring Operation: 34*67=2278, Resulting Numbers: [2278] 2278,62 unequal: No Solution Exploring Operation: 67-34=33, Resulting Numbers: [33] 33,62 unequal: No Solution Exploring Operation: 34+67=101, Resulting Numbers: [101] 101,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 62:[24, 9], Operations: ['93-59=34', '43-34=9'] Exploring Operation: 24+9=33, Resulting Numbers: [33] 33,62 unequal: No Solution Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,62 unequal: No Solution Exploring Operation: 24*9=216, Resulting Numbers: [216] 216,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 62:[34, 19], Operations: ['93-59=34', '43-24=19'] Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,62 unequal: No Solution Exploring Operation: 34+19=53, Resulting Numbers: [53] 53,62 unequal: No Solution Exploring Operation: 34*19=646, Resulting Numbers: [646] 646,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 62:[59, 43, 69], Operations: ['93-24=69'] Exploring Operation: 59-43=16, Resulting Numbers: [69, 16] Generated Node #0,2,0: 62:[69, 16] Operation: 59-43=16 Exploring Operation: 69-43=26, Resulting Numbers: [59, 26] Generated Node #0,2,1: 62:[59, 26] Operation: 69-43=26 Exploring Operation: 69-59=10, Resulting Numbers: [43, 10] Generated Node #0,2,2: 62:[43, 10] Operation: 69-59=10 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 62:[59, 26], Operations: ['93-24=69', '69-43=26'] Exploring Operation: 59*26=1534, Resulting Numbers: [1534] 1534,62 unequal: No Solution Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,62 unequal: No Solution Exploring Operation: 59+26=85, Resulting Numbers: [85] 85,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 62:[43, 10], Operations: ['93-24=69', '69-59=10'] Exploring Operation: 43*10=430, Resulting Numbers: [430] 430,62 unequal: No Solution Exploring Operation: 43+10=53, Resulting Numbers: [53] 53,62 unequal: No Solution Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 62:[69, 16], Operations: ['93-24=69', '59-43=16'] Exploring Operation: 69*16=1104, Resulting Numbers: [1104] 1104,62 unequal: No Solution Exploring Operation: 69-16=53, Resulting Numbers: [53] 53,62 unequal: No Solution Exploring Operation: 69+16=85, Resulting Numbers: [85] 85,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 54, 5, 21, 58 ]
89
[ "58-54=4", "21*4=84", "5+84=89" ]
Current State: 89:[54, 5, 21, 58], Operations: [] Exploring Operation: 58-54=4, Resulting Numbers: [5, 21, 4] Generated Node #2: [5, 21, 4] from Operation: 58-54=4 Current State: 89:[5, 21, 4], Operations: ['58-54=4'] Exploring Operation: 21*4=84, Resulting Numbers: [5, 84] Generated Node #3: [5, 84] from Operation: 21*4=84 Current State: 89:[5, 84], Operations: ['58-54=4', '21*4=84'] Exploring Operation: 5+84=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[54, 5, 21, 58], Operations: [] Exploring Operation: 5*21=105, Resulting Numbers: [54, 58, 105] Generated Node #0,0: 89:[54, 58, 105] Operation: 5*21=105 Exploring Operation: 5+21=26, Resulting Numbers: [54, 58, 26] Generated Node #0,1: 89:[54, 58, 26] Operation: 5+21=26 Exploring Operation: 54+21=75, Resulting Numbers: [5, 58, 75] Generated Node #0,2: 89:[5, 58, 75] Operation: 54+21=75 Exploring Operation: 54+5=59, Resulting Numbers: [21, 58, 59] Generated Node #0,3: 89:[21, 58, 59] Operation: 54+5=59 Exploring Operation: 5+58=63, Resulting Numbers: [54, 21, 63] Generated Node #0,4: 89:[54, 21, 63] Operation: 5+58=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[54, 58, 105], Operations: ['5*21=105'] Exploring Operation: 105-54=51, Resulting Numbers: [58, 51] Generated Node #0,0,0: 89:[58, 51] Operation: 105-54=51 Exploring Operation: 54+105=159, Resulting Numbers: [58, 159] Generated Node #0,0,1: 89:[58, 159] Operation: 54+105=159 Exploring Operation: 58-54=4, Resulting Numbers: [105, 4] Generated Node #0,0,2: 89:[105, 4] Operation: 58-54=4 Exploring Operation: 105-58=47, Resulting Numbers: [54, 47] Generated Node #0,0,3: 89:[54, 47] Operation: 105-58=47 Exploring Operation: 54+58=112, Resulting Numbers: [105, 112] Generated Node #0,0,4: 89:[105, 112] Operation: 54+58=112 Moving to Node #0,0,4 Current State: 89:[105, 112], Operations: ['5*21=105', '54+58=112'] Exploring Operation: 105+112=217, Resulting Numbers: [217] 217,89 unequal: No Solution Exploring Operation: 105*112=11760, Resulting Numbers: [11760] 11760,89 unequal: No Solution Exploring Operation: 112-105=7, Resulting Numbers: [7] 7,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[58, 51], Operations: ['5*21=105', '105-54=51'] Exploring Operation: 58-51=7, Resulting Numbers: [7] 7,89 unequal: No Solution Exploring Operation: 58+51=109, Resulting Numbers: [109] 109,89 unequal: No Solution Exploring Operation: 58*51=2958, Resulting Numbers: [2958] 2958,89 unequal: No Solution Moving to Node #0,0,3 Current State: 89:[54, 47], Operations: ['5*21=105', '105-58=47'] Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,89 unequal: No Solution Exploring Operation: 54*47=2538, Resulting Numbers: [2538] 2538,89 unequal: No Solution Exploring Operation: 54+47=101, Resulting Numbers: [101] 101,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[58, 159], Operations: ['5*21=105', '54+105=159'] Exploring Operation: 159-58=101, Resulting Numbers: [101] 101,89 unequal: No Solution Exploring Operation: 58*159=9222, Resulting Numbers: [9222] 9222,89 unequal: No Solution Exploring Operation: 58+159=217, Resulting Numbers: [217] 217,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[105, 4], Operations: ['5*21=105', '58-54=4'] Exploring Operation: 105+4=109, Resulting Numbers: [109] 109,89 unequal: No Solution Exploring Operation: 105*4=420, Resulting Numbers: [420] 420,89 unequal: No Solution Exploring Operation: 105-4=101, Resulting Numbers: [101] 101,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[54, 58, 26], Operations: ['5+21=26'] Exploring Operation: 54+26=80, Resulting Numbers: [58, 80] Generated Node #0,1,0: 89:[58, 80] Operation: 54+26=80 Exploring Operation: 54-26=28, Resulting Numbers: [58, 28] Generated Node #0,1,1: 89:[58, 28] Operation: 54-26=28 Exploring Operation: 58-26=32, Resulting Numbers: [54, 32] Generated Node #0,1,2: 89:[54, 32] Operation: 58-26=32 Exploring Operation: 58+26=84, Resulting Numbers: [54, 84] Generated Node #0,1,3: 89:[54, 84] Operation: 58+26=84 Exploring Operation: 54+58=112, Resulting Numbers: [26, 112] Generated Node #0,1,4: 89:[26, 112] Operation: 54+58=112 Moving to Node #0,1,0 Current State: 89:[58, 80], Operations: ['5+21=26', '54+26=80'] Exploring Operation: 58+80=138, Resulting Numbers: [138] 138,89 unequal: No Solution Exploring Operation: 58*80=4640, Resulting Numbers: [4640] 4640,89 unequal: No Solution Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[54, 84], Operations: ['5+21=26', '58+26=84'] Exploring Operation: 54*84=4536, Resulting Numbers: [4536] 4536,89 unequal: No Solution Exploring Operation: 84-54=30, Resulting Numbers: [30] 30,89 unequal: No Solution Exploring Operation: 54+84=138, Resulting Numbers: [138] 138,89 unequal: No Solution Moving to Node #0,1,4 Current State: 89:[26, 112], Operations: ['5+21=26', '54+58=112'] Exploring Operation: 26+112=138, Resulting Numbers: [138] 138,89 unequal: No Solution Exploring Operation: 112-26=86, Resulting Numbers: [86] 86,89 unequal: No Solution Exploring Operation: 26*112=2912, Resulting Numbers: [2912] 2912,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[58, 28], Operations: ['5+21=26', '54-26=28'] Exploring Operation: 58*28=1624, Resulting Numbers: [1624] 1624,89 unequal: No Solution Exploring Operation: 58+28=86, Resulting Numbers: [86] 86,89 unequal: No Solution Exploring Operation: 58-28=30, Resulting Numbers: [30] 30,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[54, 32], Operations: ['5+21=26', '58-26=32'] Exploring Operation: 54-32=22, Resulting Numbers: [22] 22,89 unequal: No Solution Exploring Operation: 54+32=86, Resulting Numbers: [86] 86,89 unequal: No Solution Exploring Operation: 54*32=1728, Resulting Numbers: [1728] 1728,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 89:[5, 58, 75], Operations: ['54+21=75'] Exploring Operation: 58-5=53, Resulting Numbers: [75, 53] Generated Node #0,2,0: 89:[75, 53] Operation: 58-5=53 Exploring Operation: 5+58=63, Resulting Numbers: [75, 63] Generated Node #0,2,1: 89:[75, 63] Operation: 5+58=63 Exploring Operation: 5+75=80, Resulting Numbers: [58, 80] Generated Node #0,2,2: 89:[58, 80] Operation: 5+75=80 Exploring Operation: 75/5=15, Resulting Numbers: [58, 15] Generated Node #0,2,3: 89:[58, 15] Operation: 75/5=15 Exploring Operation: 75-5=70, Resulting Numbers: [58, 70] Generated Node #0,2,4: 89:[58, 70] Operation: 75-5=70 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 89:[75, 63], Operations: ['54+21=75', '5+58=63'] Exploring Operation: 75*63=4725, Resulting Numbers: [4725] 4725,89 unequal: No Solution Exploring Operation: 75+63=138, Resulting Numbers: [138] 138,89 unequal: No Solution Exploring Operation: 75-63=12, Resulting Numbers: [12] 12,89 unequal: No Solution No 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: 89:[58, 80], Operations: ['54+21=75', '5+75=80'] Exploring Operation: 58+80=138, Resulting Numbers: [138] 138,89 unequal: No Solution Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,89 unequal: No Solution Exploring Operation: 58*80=4640, Resulting Numbers: [4640] 4640,89 unequal: No Solution No 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: 89:[75, 53], Operations: ['54+21=75', '58-5=53'] Exploring Operation: 75-53=22, Resulting Numbers: [22] 22,89 unequal: No Solution Exploring Operation: 75*53=3975, Resulting Numbers: [3975] 3975,89 unequal: No Solution Exploring Operation: 75+53=128, Resulting Numbers: [128] 128,89 unequal: No Solution No 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: 89:[58, 70], Operations: ['54+21=75', '75-5=70'] Exploring Operation: 58*70=4060, Resulting Numbers: [4060] 4060,89 unequal: No Solution Exploring Operation: 70-58=12, Resulting Numbers: [12] 12,89 unequal: No Solution Exploring Operation: 58+70=128, Resulting Numbers: [128] 128,89 unequal: No Solution No 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: 89:[58, 15], Operations: ['54+21=75', '75/5=15'] Exploring Operation: 58*15=870, Resulting Numbers: [870] 870,89 unequal: No Solution Exploring Operation: 58+15=73, Resulting Numbers: [73] 73,89 unequal: No Solution Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,89 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: 89:[21, 58, 59], Operations: ['54+5=59'] Exploring Operation: 58+59=117, Resulting Numbers: [21, 117] Generated Node #0,3,0: 89:[21, 117] Operation: 58+59=117 Exploring Operation: 59-21=38, Resulting Numbers: [58, 38] Generated Node #0,3,1: 89:[58, 38] Operation: 59-21=38 Exploring Operation: 21+59=80, Resulting Numbers: [58, 80] Generated Node #0,3,2: 89:[58, 80] Operation: 21+59=80 Exploring Operation: 21+58=79, Resulting Numbers: [59, 79] Generated Node #0,3,3: 89:[59, 79] Operation: 21+58=79 Exploring Operation: 58-21=37, Resulting Numbers: [59, 37] Generated Node #0,3,4: 89:[59, 37] Operation: 58-21=37 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 89:[58, 80], Operations: ['54+5=59', '21+59=80'] Exploring Operation: 58*80=4640, Resulting Numbers: [4640] 4640,89 unequal: No Solution Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,89 unequal: No Solution Exploring Operation: 58+80=138, Resulting Numbers: [138] 138,89 unequal: No Solution No 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: 89:[59, 79], Operations: ['54+5=59', '21+58=79'] Exploring Operation: 59+79=138, Resulting Numbers: [138] 138,89 unequal: No Solution Exploring Operation: 59*79=4661, Resulting Numbers: [4661] 4661,89 unequal: No Solution Exploring Operation: 79-59=20, Resulting Numbers: [20] 20,89 unequal: No Solution No 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: 89:[58, 38], Operations: ['54+5=59', '59-21=38'] Exploring Operation: 58+38=96, Resulting Numbers: [96] 96,89 unequal: No Solution Exploring Operation: 58-38=20, Resulting Numbers: [20] 20,89 unequal: No Solution Exploring Operation: 58*38=2204, Resulting Numbers: [2204] 2204,89 unequal: No Solution No 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: 89:[59, 37], Operations: ['54+5=59', '58-21=37'] Exploring Operation: 59*37=2183, Resulting Numbers: [2183] 2183,89 unequal: No Solution Exploring Operation: 59+37=96, Resulting Numbers: [96] 96,89 unequal: No Solution Exploring Operation: 59-37=22, Resulting Numbers: [22] 22,89 unequal: No Solution No 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: 89:[21, 117], Operations: ['54+5=59', '58+59=117'] Exploring Operation: 21+117=138, Resulting Numbers: [138] 138,89 unequal: No Solution Exploring Operation: 21*117=2457, Resulting Numbers: [2457] 2457,89 unequal: No Solution Exploring Operation: 117-21=96, Resulting Numbers: [96] 96,89 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: 89:[54, 21, 63], Operations: ['5+58=63'] Exploring Operation: 54+63=117, Resulting Numbers: [21, 117] Generated Node #0,4,0: 89:[21, 117] Operation: 54+63=117 Exploring Operation: 54-21=33, Resulting Numbers: [63, 33] Generated Node #0,4,1: 89:[63, 33] Operation: 54-21=33 Exploring Operation: 54+21=75, Resulting Numbers: [63, 75] Generated Node #0,4,2: 89:[63, 75] Operation: 54+21=75 Exploring Operation: 21+63=84, Resulting Numbers: [54, 84] Generated Node #0,4,3: 89:[54, 84] Operation: 21+63=84 Exploring Operation: 63-21=42, Resulting Numbers: [54, 42] Generated Node #0,4,4: 89:[54, 42] Operation: 63-21=42 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 89:[63, 75], Operations: ['5+58=63', '54+21=75'] Exploring Operation: 63+75=138, Resulting Numbers: [138] 138,89 unequal: No Solution Exploring Operation: 75-63=12, Resulting Numbers: [12] 12,89 unequal: No Solution Exploring Operation: 63*75=4725, Resulting Numbers: [4725] 4725,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 89:[54, 84], Operations: ['5+58=63', '21+63=84'] Exploring Operation: 54*84=4536, Resulting Numbers: [4536] 4536,89 unequal: No Solution Exploring Operation: 54+84=138, Resulting Numbers: [138] 138,89 unequal: No Solution Exploring Operation: 84-54=30, Resulting Numbers: [30] 30,89 unequal: No Solution No 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: 89:[63, 33], Operations: ['5+58=63', '54-21=33'] Exploring Operation: 63-33=30, Resulting Numbers: [30] 30,89 unequal: No Solution Exploring Operation: 63+33=96, Resulting Numbers: [96] 96,89 unequal: No Solution Exploring Operation: 63*33=2079, Resulting Numbers: [2079] 2079,89 unequal: No Solution No 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: 89:[54, 42], Operations: ['5+58=63', '63-21=42'] Exploring Operation: 54*42=2268, Resulting Numbers: [2268] 2268,89 unequal: No Solution Exploring Operation: 54+42=96, Resulting Numbers: [96] 96,89 unequal: No Solution Exploring Operation: 54-42=12, Resulting Numbers: [12] 12,89 unequal: No Solution No 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: 89:[21, 117], Operations: ['5+58=63', '54+63=117'] Exploring Operation: 117-21=96, Resulting Numbers: [96] 96,89 unequal: No Solution Exploring Operation: 21*117=2457, Resulting Numbers: [2457] 2457,89 unequal: No Solution Exploring Operation: 21+117=138, Resulting Numbers: [138] 138,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 19, 61, 17, 80 ]
38
[ "19-17=2", "80-61=19", "2*19=38" ]
Current State: 38:[19, 61, 17, 80], Operations: [] Exploring Operation: 19-17=2, Resulting Numbers: [61, 80, 2] Generated Node #2: [61, 80, 2] from Operation: 19-17=2 Current State: 38:[61, 80, 2], Operations: ['19-17=2'] Exploring Operation: 80-61=19, Resulting Numbers: [2, 19] Generated Node #3: [2, 19] from Operation: 80-61=19 Current State: 38:[2, 19], Operations: ['19-17=2', '80-61=19'] Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[19, 61, 17, 80], Operations: [] Exploring Operation: 61-17=44, Resulting Numbers: [19, 80, 44] Generated Node #0,0: 38:[19, 80, 44] Operation: 61-17=44 Exploring Operation: 80-17=63, Resulting Numbers: [19, 61, 63] Generated Node #0,1: 38:[19, 61, 63] Operation: 80-17=63 Exploring Operation: 80-61=19, Resulting Numbers: [19, 17, 19] Generated Node #0,2: 38:[19, 17, 19] Operation: 80-61=19 Exploring Operation: 61-19=42, Resulting Numbers: [17, 80, 42] Generated Node #0,3: 38:[17, 80, 42] Operation: 61-19=42 Exploring Operation: 80-19=61, Resulting Numbers: [61, 17, 61] Generated Node #0,4: 38:[61, 17, 61] Operation: 80-19=61 Moving to Node #0,2 Current State: 38:[19, 17, 19], Operations: ['80-61=19'] Exploring Operation: 19-17=2, Resulting Numbers: [19, 2] Generated Node #0,2,0: 38:[19, 2] Operation: 19-17=2 Exploring Operation: 19+19=38, Resulting Numbers: [17, 38] Generated Node #0,2,1: 38:[17, 38] Operation: 19+19=38 Exploring Operation: 17+19=36, Resulting Numbers: [19, 36] Generated Node #0,2,2: 38:[19, 36] Operation: 17+19=36 Exploring Operation: 19+17=36, Resulting Numbers: [19, 36] Generated Node #0,2,3: 38:[19, 36] Operation: 19+17=36 Exploring Operation: 19-17=2, Resulting Numbers: [19, 2] Generated Node #0,2,4: 38:[19, 2] Operation: 19-17=2 Moving to Node #0,1 Current State: 38:[19, 61, 63], Operations: ['80-17=63'] Exploring Operation: 19+61=80, Resulting Numbers: [63, 80] Generated Node #0,1,0: 38:[63, 80] Operation: 19+61=80 Exploring Operation: 63-19=44, Resulting Numbers: [61, 44] Generated Node #0,1,1: 38:[61, 44] Operation: 63-19=44 Exploring Operation: 19+63=82, Resulting Numbers: [61, 82] Generated Node #0,1,2: 38:[61, 82] Operation: 19+63=82 Exploring Operation: 61-19=42, Resulting Numbers: [63, 42] Generated Node #0,1,3: 38:[63, 42] Operation: 61-19=42 Exploring Operation: 63-61=2, Resulting Numbers: [19, 2] Generated Node #0,1,4: 38:[19, 2] Operation: 63-61=2 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 38:[19, 2], Operations: ['80-17=63', '63-61=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[19, 61, 17, 80], Operations: [] Exploring Operation: 80-17=63, Resulting Numbers: [19, 61, 63] Generated Node #0,1: 38:[19, 61, 63] Operation: 80-17=63 Moving to Node #0,1 Current State: 38:[19, 61, 63], Operations: ['80-17=63'] Exploring Operation: 63-61=2, Resulting Numbers: [19, 2] Generated Node #0,1,4: 38:[19, 2] Operation: 63-61=2 Moving to Node #0,1,4 Current State: 38:[19, 2], Operations: ['80-17=63', '63-61=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 75, 53, 8, 61 ]
76
[ "53+8=61", "61/61=1", "75+1=76" ]
Current State: 76:[75, 53, 8, 61], Operations: [] Exploring Operation: 53+8=61, Resulting Numbers: [75, 61, 61] Generated Node #2: [75, 61, 61] from Operation: 53+8=61 Current State: 76:[75, 61, 61], Operations: ['53+8=61'] Exploring Operation: 61/61=1, Resulting Numbers: [75, 1] Generated Node #3: [75, 1] from Operation: 61/61=1 Current State: 76:[75, 1], Operations: ['53+8=61', '61/61=1'] Exploring Operation: 75+1=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[75, 53, 8, 61], Operations: [] Exploring Operation: 8+61=69, Resulting Numbers: [75, 53, 69] Generated Node #0,0: 76:[75, 53, 69] Operation: 8+61=69 Exploring Operation: 75-61=14, Resulting Numbers: [53, 8, 14] Generated Node #0,1: 76:[53, 8, 14] Operation: 75-61=14 Exploring Operation: 61-53=8, Resulting Numbers: [75, 8, 8] Generated Node #0,2: 76:[75, 8, 8] Operation: 61-53=8 Exploring Operation: 53-8=45, Resulting Numbers: [75, 61, 45] Generated Node #0,3: 76:[75, 61, 45] Operation: 53-8=45 Exploring Operation: 75-53=22, Resulting Numbers: [8, 61, 22] Generated Node #0,4: 76:[8, 61, 22] Operation: 75-53=22 Moving to Node #0,2 Current State: 76:[75, 8, 8], Operations: ['61-53=8'] Exploring Operation: 8/8=1, Resulting Numbers: [75, 1] Generated Node #0,2,0: 76:[75, 1] Operation: 8/8=1 Exploring Operation: 8+8=16, Resulting Numbers: [75, 16] Generated Node #0,2,1: 76:[75, 16] Operation: 8+8=16 Exploring Operation: 8-8=0, Resulting Numbers: [75, 0] Generated Node #0,2,2: 76:[75, 0] Operation: 8-8=0 Exploring Operation: 75+8=83, Resulting Numbers: [8, 83] Generated Node #0,2,3: 76:[8, 83] Operation: 75+8=83 Exploring Operation: 75+8=83, Resulting Numbers: [8, 83] Generated Node #0,2,4: 76:[8, 83] Operation: 75+8=83 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 76:[75, 1], Operations: ['61-53=8', '8/8=1'] Exploring Operation: 75+1=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[75, 53, 8, 61], Operations: [] Exploring Operation: 61-53=8, Resulting Numbers: [75, 8, 8] Generated Node #0,2: 76:[75, 8, 8] Operation: 61-53=8 Moving to Node #0,2 Current State: 76:[75, 8, 8], Operations: ['61-53=8'] Exploring Operation: 8/8=1, Resulting Numbers: [75, 1] Generated Node #0,2,0: 76:[75, 1] Operation: 8/8=1 Moving to Node #0,2,0 Current State: 76:[75, 1], Operations: ['61-53=8', '8/8=1'] Exploring Operation: 75+1=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 7, 55, 7, 21 ]
58
[ "7*55=385", "21+385=406", "406/7=58" ]
Current State: 58:[7, 55, 7, 21], Operations: [] Exploring Operation: 7*55=385, Resulting Numbers: [21, 385] Generated Node #2: [21, 385] from Operation: 7*55=385 Current State: 58:[21, 385], Operations: ['7*55=385'] Exploring Operation: 21+385=406, Resulting Numbers: [406] 406,58 equal: Goal Reached Exploring Operation: 406/7=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[7, 55, 7, 21], Operations: [] Exploring Operation: 7+21=28, Resulting Numbers: [55, 7, 28] Generated Node #0,0: 58:[55, 7, 28] Operation: 7+21=28 Exploring Operation: 21/7=3, Resulting Numbers: [55, 7, 3] Generated Node #0,1: 58:[55, 7, 3] Operation: 21/7=3 Moving to Node #0,0 Current State: 58:[55, 7, 28], Operations: ['7+21=28'] Exploring Operation: 28/7=4, Resulting Numbers: [55, 4] Generated Node #0,0,0: 58:[55, 4] Operation: 28/7=4 Exploring Operation: 55+7=62, Resulting Numbers: [28, 62] Generated Node #0,0,1: 58:[28, 62] Operation: 55+7=62 Moving to Node #0,1 Current State: 58:[55, 7, 3], Operations: ['21/7=3'] Exploring Operation: 55+7=62, Resulting Numbers: [3, 62] Generated Node #0,1,0: 58:[3, 62] Operation: 55+7=62 Exploring Operation: 55+3=58, Resulting Numbers: [7, 58] Generated Node #0,1,1: 58:[7, 58] Operation: 55+3=58 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[3, 62], Operations: ['21/7=3', '55+7=62'] Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,58 unequal: No Solution Exploring Operation: 3+62=65, Resulting Numbers: [65] 65,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[7, 58], Operations: ['21/7=3', '55+3=58'] Exploring Operation: 7+58=65, Resulting Numbers: [65] 65,58 unequal: No Solution Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,58 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: 58:[55, 4], Operations: ['7+21=28', '28/7=4'] Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,58 unequal: No Solution Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[28, 62], Operations: ['7+21=28', '55+7=62'] Exploring Operation: 28+62=90, Resulting Numbers: [90] 90,58 unequal: No Solution Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,58 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 80, 56, 20, 46 ]
70
[ "80+56=136", "20+46=66", "136-66=70" ]
Current State: 70:[80, 56, 20, 46], Operations: [] Exploring Operation: 80+56=136, Resulting Numbers: [20, 46, 136] Generated Node #2: [20, 46, 136] from Operation: 80+56=136 Current State: 70:[20, 46, 136], Operations: ['80+56=136'] Exploring Operation: 20+46=66, Resulting Numbers: [136, 66] Generated Node #3: [136, 66] from Operation: 20+46=66 Current State: 70:[136, 66], Operations: ['80+56=136', '20+46=66'] Exploring Operation: 136-66=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[80, 56, 20, 46], Operations: [] Exploring Operation: 56-20=36, Resulting Numbers: [80, 46, 36] Generated Node #0,0: 70:[80, 46, 36] Operation: 56-20=36 Exploring Operation: 80/20=4, Resulting Numbers: [56, 46, 4] Generated Node #0,1: 70:[56, 46, 4] Operation: 80/20=4 Exploring Operation: 56-46=10, Resulting Numbers: [80, 20, 10] Generated Node #0,2: 70:[80, 20, 10] Operation: 56-46=10 Exploring Operation: 80-46=34, Resulting Numbers: [56, 20, 34] Generated Node #0,3: 70:[56, 20, 34] Operation: 80-46=34 Moving to Node #0,2 Current State: 70:[80, 20, 10], Operations: ['56-46=10'] Exploring Operation: 80-10=70, Resulting Numbers: [20, 70] Generated Node #0,2,0: 70:[20, 70] Operation: 80-10=70 Exploring Operation: 80-20=60, Resulting Numbers: [10, 60] Generated Node #0,2,1: 70:[10, 60] Operation: 80-20=60 Exploring Operation: 80/10=8, Resulting Numbers: [20, 8] Generated Node #0,2,2: 70:[20, 8] Operation: 80/10=8 Exploring Operation: 80/20=4, Resulting Numbers: [10, 4] Generated Node #0,2,3: 70:[10, 4] Operation: 80/20=4 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 70:[10, 4], Operations: ['56-46=10', '80/20=4'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,70 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 70:[20, 70], Operations: ['56-46=10', '80-10=70'] Exploring Operation: 20+70=90, Resulting Numbers: [90] 90,70 unequal: No Solution Exploring Operation: 20*70=1400, Resulting Numbers: [1400] 1400,70 unequal: No Solution Exploring Operation: 70-20=50, Resulting Numbers: [50] 50,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 70:[20, 8], Operations: ['56-46=10', '80/10=8'] Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,70 unequal: No Solution Exploring Operation: 20*8=160, Resulting Numbers: [160] 160,70 unequal: No Solution Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 70:[10, 60], Operations: ['56-46=10', '80-20=60'] Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,70 unequal: No Solution Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 10+60=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[80, 56, 20, 46], Operations: [] Exploring Operation: 56-46=10, Resulting Numbers: [80, 20, 10] Generated Node #0,2: 70:[80, 20, 10] Operation: 56-46=10 Moving to Node #0,2 Current State: 70:[80, 20, 10], Operations: ['56-46=10'] Exploring Operation: 80-20=60, Resulting Numbers: [10, 60] Generated Node #0,2,1: 70:[10, 60] Operation: 80-20=60 Moving to Node #0,2,1 Current State: 70:[10, 60], Operations: ['56-46=10', '80-20=60'] Exploring Operation: 10+60=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_4
mult_heuristic
[ 62, 34, 85, 34 ]
91
[ "62-34=28", "85+34=119", "119-28=91" ]
Current State: 91:[62, 34, 85, 34], Operations: [] Exploring Operation: 62-34=28, Resulting Numbers: [85, 28] Generated Node #2: [85, 28] from Operation: 62-34=28 Current State: 91:[85, 28], Operations: ['62-34=28'] Exploring Operation: 85+34=119, Resulting Numbers: [28, 119] Generated Node #3: [28, 119] from Operation: 85+34=119 Current State: 91:[28, 119], Operations: ['62-34=28', '85+34=119'] Exploring Operation: 119-28=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[62, 34, 85, 34], Operations: [] Exploring Operation: 62-34=28, Resulting Numbers: [85, 34, 28] Generated Node #0,0: 91:[85, 34, 28] Operation: 62-34=28 Exploring Operation: 62+34=96, Resulting Numbers: [34, 85, 96] Generated Node #0,1: 91:[34, 85, 96] Operation: 62+34=96 Exploring Operation: 34/34=1, Resulting Numbers: [62, 85, 1] Generated Node #0,2: 91:[62, 85, 1] Operation: 34/34=1 Exploring Operation: 62+34=96, Resulting Numbers: [85, 34, 96] Generated Node #0,3: 91:[85, 34, 96] Operation: 62+34=96 Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[34, 85, 96], Operations: ['62+34=96'] Exploring Operation: 96-85=11, Resulting Numbers: [34, 11] Generated Node #0,1,0: 91:[34, 11] Operation: 96-85=11 Exploring Operation: 96-34=62, Resulting Numbers: [85, 62] Generated Node #0,1,1: 91:[85, 62] Operation: 96-34=62 Exploring Operation: 34+85=119, Resulting Numbers: [96, 119] Generated Node #0,1,2: 91:[96, 119] Operation: 34+85=119 Exploring Operation: 85-34=51, Resulting Numbers: [96, 51] Generated Node #0,1,3: 91:[96, 51] Operation: 85-34=51 Moving to Node #0,1,0 Current State: 91:[34, 11], Operations: ['62+34=96', '96-85=11'] Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 34*11=374, Resulting Numbers: [374] 374,91 unequal: No Solution Exploring Operation: 34+11=45, Resulting Numbers: [45] 45,91 unequal: No Solution Moving to Node #0,1,2 Current State: 91:[96, 119], Operations: ['62+34=96', '34+85=119'] Exploring Operation: 119-96=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 96+119=215, Resulting Numbers: [215] 215,91 unequal: No Solution Exploring Operation: 96*119=11424, Resulting Numbers: [11424] 11424,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[85, 62], Operations: ['62+34=96', '96-34=62'] Exploring Operation: 85-62=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 85+62=147, Resulting Numbers: [147] 147,91 unequal: No Solution Exploring Operation: 85*62=5270, Resulting Numbers: [5270] 5270,91 unequal: No Solution Moving to Node #0,1,3 Current State: 91:[96, 51], Operations: ['62+34=96', '85-34=51'] Exploring Operation: 96+51=147, Resulting Numbers: [147] 147,91 unequal: No Solution Exploring Operation: 96-51=45, Resulting Numbers: [45] 45,91 unequal: No Solution Exploring Operation: 96*51=4896, Resulting Numbers: [4896] 4896,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 91:[85, 34, 96], Operations: ['62+34=96'] Exploring Operation: 96-34=62, Resulting Numbers: [85, 62] Generated Node #0,3,0: 91:[85, 62] Operation: 96-34=62 Exploring Operation: 85-34=51, Resulting Numbers: [96, 51] Generated Node #0,3,1: 91:[96, 51] Operation: 85-34=51 Exploring Operation: 85+34=119, Resulting Numbers: [96, 119] Generated Node #0,3,2: 91:[96, 119] Operation: 85+34=119 Exploring Operation: 96-85=11, Resulting Numbers: [34, 11] Generated Node #0,3,3: 91:[34, 11] Operation: 96-85=11 Moving to Node #0,3,3 Current State: 91:[34, 11], Operations: ['62+34=96', '96-85=11'] Exploring Operation: 34*11=374, Resulting Numbers: [374] 374,91 unequal: No Solution Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 34+11=45, Resulting Numbers: [45] 45,91 unequal: No Solution Moving to Node #0,3,2 Current State: 91:[96, 119], Operations: ['62+34=96', '85+34=119'] Exploring Operation: 96*119=11424, Resulting Numbers: [11424] 11424,91 unequal: No Solution Exploring Operation: 96+119=215, Resulting Numbers: [215] 215,91 unequal: No Solution Exploring Operation: 119-96=23, Resulting Numbers: [23] 23,91 unequal: No Solution Moving to Node #0,3,0 Current State: 91:[85, 62], Operations: ['62+34=96', '96-34=62'] Exploring Operation: 85-62=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 85*62=5270, Resulting Numbers: [5270] 5270,91 unequal: No Solution Exploring Operation: 85+62=147, Resulting Numbers: [147] 147,91 unequal: No Solution Moving to Node #0,3,1 Current State: 91:[96, 51], Operations: ['62+34=96', '85-34=51'] Exploring Operation: 96+51=147, Resulting Numbers: [147] 147,91 unequal: No Solution Exploring Operation: 96*51=4896, Resulting Numbers: [4896] 4896,91 unequal: No Solution Exploring Operation: 96-51=45, Resulting Numbers: [45] 45,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[62, 85, 1], Operations: ['34/34=1'] Exploring Operation: 85-62=23, Resulting Numbers: [1, 23] Generated Node #0,2,0: 91:[1, 23] Operation: 85-62=23 Exploring Operation: 85+1=86, Resulting Numbers: [62, 86] Generated Node #0,2,1: 91:[62, 86] Operation: 85+1=86 Exploring Operation: 62+1=63, Resulting Numbers: [85, 63] Generated Node #0,2,2: 91:[85, 63] Operation: 62+1=63 Exploring Operation: 62*1=62, Resulting Numbers: [85, 62] Generated Node #0,2,3: 91:[85, 62] Operation: 62*1=62 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 91:[1, 23], Operations: ['34/34=1', '85-62=23'] Exploring Operation: 1*23=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 1+23=24, Resulting Numbers: [24] 24,91 unequal: No Solution Exploring Operation: 23/1=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 91:[62, 86], Operations: ['34/34=1', '85+1=86'] Exploring Operation: 62*86=5332, Resulting Numbers: [5332] 5332,91 unequal: No Solution Exploring Operation: 62+86=148, Resulting Numbers: [148] 148,91 unequal: No Solution Exploring Operation: 86-62=24, Resulting Numbers: [24] 24,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 91:[85, 63], Operations: ['34/34=1', '62+1=63'] Exploring Operation: 85-63=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 85+63=148, Resulting Numbers: [148] 148,91 unequal: No Solution Exploring Operation: 85*63=5355, Resulting Numbers: [5355] 5355,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 91:[85, 62], Operations: ['34/34=1', '62*1=62'] Exploring Operation: 85+62=147, Resulting Numbers: [147] 147,91 unequal: No Solution Exploring Operation: 85*62=5270, Resulting Numbers: [5270] 5270,91 unequal: No Solution Exploring Operation: 85-62=23, Resulting Numbers: [23] 23,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[85, 34, 28], Operations: ['62-34=28'] Exploring Operation: 85+28=113, Resulting Numbers: [34, 113] Generated Node #0,0,0: 91:[34, 113] Operation: 85+28=113 Exploring Operation: 34-28=6, Resulting Numbers: [85, 6] Generated Node #0,0,1: 91:[85, 6] Operation: 34-28=6 Exploring Operation: 34+28=62, Resulting Numbers: [85, 62] Generated Node #0,0,2: 91:[85, 62] Operation: 34+28=62 Exploring Operation: 85+34=119, Resulting Numbers: [28, 119] Generated Node #0,0,3: 91:[28, 119] Operation: 85+34=119 Moving to Node #0,0,1 Current State: 91:[85, 6], Operations: ['62-34=28', '34-28=6'] Exploring Operation: 85*6=510, Resulting Numbers: [510] 510,91 unequal: No Solution Exploring Operation: 85+6=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[62, 34, 85, 34], Operations: [] Exploring Operation: 62-34=28, Resulting Numbers: [85, 34, 28] Generated Node #0,0: 91:[85, 34, 28] Operation: 62-34=28 Moving to Node #0,0 Current State: 91:[85, 34, 28], Operations: ['62-34=28'] Exploring Operation: 34-28=6, Resulting Numbers: [85, 6] Generated Node #0,0,1: 91:[85, 6] Operation: 34-28=6 Moving to Node #0,0,1 Current State: 91:[85, 6], Operations: ['62-34=28', '34-28=6'] Exploring Operation: 85+6=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.945313
hs_4
mult_heuristic
[ 56, 59, 88, 48 ]
64
[ "59-48=11", "88/11=8", "56+8=64" ]
Current State: 64:[56, 59, 88, 48], Operations: [] Exploring Operation: 59-48=11, Resulting Numbers: [56, 88, 11] Generated Node #2: [56, 88, 11] from Operation: 59-48=11 Current State: 64:[56, 88, 11], Operations: ['59-48=11'] Exploring Operation: 88/11=8, Resulting Numbers: [56, 8] Generated Node #3: [56, 8] from Operation: 88/11=8 Current State: 64:[56, 8], Operations: ['59-48=11', '88/11=8'] Exploring Operation: 56+8=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[56, 59, 88, 48], Operations: [] Exploring Operation: 56-48=8, Resulting Numbers: [59, 88, 8] Generated Node #0,0: 64:[59, 88, 8] Operation: 56-48=8 Exploring Operation: 88-48=40, Resulting Numbers: [56, 59, 40] Generated Node #0,1: 64:[56, 59, 40] Operation: 88-48=40 Exploring Operation: 88-59=29, Resulting Numbers: [56, 48, 29] Generated Node #0,2: 64:[56, 48, 29] Operation: 88-59=29 Exploring Operation: 88-56=32, Resulting Numbers: [59, 48, 32] Generated Node #0,3: 64:[59, 48, 32] Operation: 88-56=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[56, 59, 40], Operations: ['88-48=40'] Exploring Operation: 56+40=96, Resulting Numbers: [59, 96] Generated Node #0,1,0: 64:[59, 96] Operation: 56+40=96 Exploring Operation: 59-40=19, Resulting Numbers: [56, 19] Generated Node #0,1,1: 64:[56, 19] Operation: 59-40=19 Exploring Operation: 56-40=16, Resulting Numbers: [59, 16] Generated Node #0,1,2: 64:[59, 16] Operation: 56-40=16 Exploring Operation: 59-56=3, Resulting Numbers: [40, 3] Generated Node #0,1,3: 64:[40, 3] Operation: 59-56=3 Moving to Node #0,1,2 Current State: 64:[59, 16], Operations: ['88-48=40', '56-40=16'] Exploring Operation: 59*16=944, Resulting Numbers: [944] 944,64 unequal: No Solution Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,64 unequal: No Solution Exploring Operation: 59+16=75, Resulting Numbers: [75] 75,64 unequal: No Solution Moving to Node #0,1,3 Current State: 64:[40, 3], Operations: ['88-48=40', '59-56=3'] Exploring Operation: 40+3=43, Resulting Numbers: [43] 43,64 unequal: No Solution Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,64 unequal: No Solution Exploring Operation: 40*3=120, Resulting Numbers: [120] 120,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[56, 19], Operations: ['88-48=40', '59-40=19'] Exploring Operation: 56+19=75, Resulting Numbers: [75] 75,64 unequal: No Solution Exploring Operation: 56*19=1064, Resulting Numbers: [1064] 1064,64 unequal: No Solution Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,64 unequal: No Solution Moving to Node #0,1,0 Current State: 64:[59, 96], Operations: ['88-48=40', '56+40=96'] Exploring Operation: 59*96=5664, Resulting Numbers: [5664] 5664,64 unequal: No Solution Exploring Operation: 96-59=37, Resulting Numbers: [37] 37,64 unequal: No Solution Exploring Operation: 59+96=155, Resulting Numbers: [155] 155,64 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 #0,3 Current State: 64:[59, 48, 32], Operations: ['88-56=32'] Exploring Operation: 59-48=11, Resulting Numbers: [32, 11] Generated Node #0,3,0: 64:[32, 11] Operation: 59-48=11 Exploring Operation: 59-32=27, Resulting Numbers: [48, 27] Generated Node #0,3,1: 64:[48, 27] Operation: 59-32=27 Exploring Operation: 48-32=16, Resulting Numbers: [59, 16] Generated Node #0,3,2: 64:[59, 16] Operation: 48-32=16 Exploring Operation: 48+32=80, Resulting Numbers: [59, 80] Generated Node #0,3,3: 64:[59, 80] Operation: 48+32=80 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 64:[32, 11], Operations: ['88-56=32', '59-48=11'] Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,64 unequal: No Solution Exploring Operation: 32+11=43, Resulting Numbers: [43] 43,64 unequal: No Solution Exploring Operation: 32*11=352, Resulting Numbers: [352] 352,64 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 #0,3,2 Current State: 64:[59, 16], Operations: ['88-56=32', '48-32=16'] Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,64 unequal: No Solution Exploring Operation: 59+16=75, Resulting Numbers: [75] 75,64 unequal: No Solution Exploring Operation: 59*16=944, Resulting Numbers: [944] 944,64 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 #0,3,1 Current State: 64:[48, 27], Operations: ['88-56=32', '59-32=27'] Exploring Operation: 48-27=21, Resulting Numbers: [21] 21,64 unequal: No Solution Exploring Operation: 48+27=75, Resulting Numbers: [75] 75,64 unequal: No Solution Exploring Operation: 48*27=1296, Resulting Numbers: [1296] 1296,64 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 #0,3,3 Current State: 64:[59, 80], Operations: ['88-56=32', '48+32=80'] Exploring Operation: 59*80=4720, Resulting Numbers: [4720] 4720,64 unequal: No Solution Exploring Operation: 59+80=139, Resulting Numbers: [139] 139,64 unequal: No Solution Exploring Operation: 80-59=21, Resulting Numbers: [21] 21,64 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 #0,2 Current State: 64:[56, 48, 29], Operations: ['88-59=29'] Exploring Operation: 48-29=19, Resulting Numbers: [56, 19] Generated Node #0,2,0: 64:[56, 19] Operation: 48-29=19 Exploring Operation: 56-48=8, Resulting Numbers: [29, 8] Generated Node #0,2,1: 64:[29, 8] Operation: 56-48=8 Exploring Operation: 48+29=77, Resulting Numbers: [56, 77] Generated Node #0,2,2: 64:[56, 77] Operation: 48+29=77 Exploring Operation: 56-29=27, Resulting Numbers: [48, 27] Generated Node #0,2,3: 64:[48, 27] Operation: 56-29=27 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 64:[29, 8], Operations: ['88-59=29', '56-48=8'] Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,64 unequal: No Solution Exploring Operation: 29*8=232, Resulting Numbers: [232] 232,64 unequal: No Solution Exploring Operation: 29+8=37, Resulting Numbers: [37] 37,64 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 #0,2,0 Current State: 64:[56, 19], Operations: ['88-59=29', '48-29=19'] Exploring Operation: 56+19=75, Resulting Numbers: [75] 75,64 unequal: No Solution Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,64 unequal: No Solution Exploring Operation: 56*19=1064, Resulting Numbers: [1064] 1064,64 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 #0,2,2 Current State: 64:[56, 77], Operations: ['88-59=29', '48+29=77'] Exploring Operation: 56+77=133, Resulting Numbers: [133] 133,64 unequal: No Solution Exploring Operation: 77-56=21, Resulting Numbers: [21] 21,64 unequal: No Solution Exploring Operation: 56*77=4312, Resulting Numbers: [4312] 4312,64 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 #0,2,3 Current State: 64:[48, 27], Operations: ['88-59=29', '56-29=27'] Exploring Operation: 48*27=1296, Resulting Numbers: [1296] 1296,64 unequal: No Solution Exploring Operation: 48+27=75, Resulting Numbers: [75] 75,64 unequal: No Solution Exploring Operation: 48-27=21, Resulting Numbers: [21] 21,64 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 #0,0 Current State: 64:[59, 88, 8], Operations: ['56-48=8'] Exploring Operation: 88-59=29, Resulting Numbers: [8, 29] Generated Node #0,0,0: 64:[8, 29] Operation: 88-59=29 Exploring Operation: 88-8=80, Resulting Numbers: [59, 80] Generated Node #0,0,1: 64:[59, 80] Operation: 88-8=80 Exploring Operation: 88/8=11, Resulting Numbers: [59, 11] Generated Node #0,0,2: 64:[59, 11] Operation: 88/8=11 Exploring Operation: 59+8=67, Resulting Numbers: [88, 67] Generated Node #0,0,3: 64:[88, 67] Operation: 59+8=67 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 64:[8, 29], Operations: ['56-48=8', '88-59=29'] Exploring Operation: 8+29=37, Resulting Numbers: [37] 37,64 unequal: No Solution Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,64 unequal: No Solution Exploring Operation: 8*29=232, Resulting Numbers: [232] 232,64 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 #0,0,2 Current State: 64:[59, 11], Operations: ['56-48=8', '88/8=11'] Exploring Operation: 59*11=649, Resulting Numbers: [649] 649,64 unequal: No Solution Exploring Operation: 59+11=70, Resulting Numbers: [70] 70,64 unequal: No Solution Exploring Operation: 59-11=48, Resulting Numbers: [48] 48,64 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 #0,0,1 Current State: 64:[59, 80], Operations: ['56-48=8', '88-8=80'] Exploring Operation: 59*80=4720, Resulting Numbers: [4720] 4720,64 unequal: No Solution Exploring Operation: 59+80=139, Resulting Numbers: [139] 139,64 unequal: No Solution Exploring Operation: 80-59=21, Resulting Numbers: [21] 21,64 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 #0,0,3 Current State: 64:[88, 67], Operations: ['56-48=8', '59+8=67'] Exploring Operation: 88-67=21, Resulting Numbers: [21] 21,64 unequal: No Solution Exploring Operation: 88+67=155, Resulting Numbers: [155] 155,64 unequal: No Solution Exploring Operation: 88*67=5896, Resulting Numbers: [5896] 5896,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 88, 79, 51, 4 ]
69
[ "88-51=37", "4*37=148", "148-79=69" ]
Current State: 69:[88, 79, 51, 4], Operations: [] Exploring Operation: 88-51=37, Resulting Numbers: [79, 4, 37] Generated Node #2: [79, 4, 37] from Operation: 88-51=37 Current State: 69:[79, 4, 37], Operations: ['88-51=37'] Exploring Operation: 4*37=148, Resulting Numbers: [79, 148] Generated Node #3: [79, 148] from Operation: 4*37=148 Current State: 69:[79, 148], Operations: ['88-51=37', '4*37=148'] Exploring Operation: 148-79=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[88, 79, 51, 4], Operations: [] Exploring Operation: 88/4=22, Resulting Numbers: [79, 51, 22] Generated Node #0,0: 69:[79, 51, 22] Operation: 88/4=22 Exploring Operation: 79-51=28, Resulting Numbers: [88, 4, 28] Generated Node #0,1: 69:[88, 4, 28] Operation: 79-51=28 Exploring Operation: 88-4=84, Resulting Numbers: [79, 51, 84] Generated Node #0,2: 69:[79, 51, 84] Operation: 88-4=84 Exploring Operation: 88-79=9, Resulting Numbers: [51, 4, 9] Generated Node #0,3: 69:[51, 4, 9] Operation: 88-79=9 Exploring Operation: 88-51=37, Resulting Numbers: [79, 4, 37] Generated Node #0,4: 69:[79, 4, 37] Operation: 88-51=37 Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[88, 4, 28], Operations: ['79-51=28'] Exploring Operation: 88-4=84, Resulting Numbers: [28, 84] Generated Node #0,1,0: 69:[28, 84] Operation: 88-4=84 Exploring Operation: 28-4=24, Resulting Numbers: [88, 24] Generated Node #0,1,1: 69:[88, 24] Operation: 28-4=24 Exploring Operation: 28/4=7, Resulting Numbers: [88, 7] Generated Node #0,1,2: 69:[88, 7] Operation: 28/4=7 Exploring Operation: 88-28=60, Resulting Numbers: [4, 60] Generated Node #0,1,3: 69:[4, 60] Operation: 88-28=60 Exploring Operation: 88/4=22, Resulting Numbers: [28, 22] Generated Node #0,1,4: 69:[28, 22] Operation: 88/4=22 Moving to Node #0,1,4 Current State: 69:[28, 22], Operations: ['79-51=28', '88/4=22'] Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,69 unequal: No Solution Exploring Operation: 28*22=616, Resulting Numbers: [616] 616,69 unequal: No Solution Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,69 unequal: No Solution Moving to Node #0,1,3 Current State: 69:[4, 60], Operations: ['79-51=28', '88-28=60'] Exploring Operation: 4*60=240, Resulting Numbers: [240] 240,69 unequal: No Solution Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,69 unequal: No Solution Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,69 unequal: No Solution Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,69 unequal: No Solution Moving to Node #0,1,0 Current State: 69:[28, 84], Operations: ['79-51=28', '88-4=84'] Exploring Operation: 28*84=2352, Resulting Numbers: [2352] 2352,69 unequal: No Solution Exploring Operation: 84/28=3, Resulting Numbers: [3] 3,69 unequal: No Solution Exploring Operation: 28+84=112, Resulting Numbers: [112] 112,69 unequal: No Solution Exploring Operation: 84-28=56, Resulting Numbers: [56] 56,69 unequal: No Solution Moving to Node #0,1,1 Current State: 69:[88, 24], Operations: ['79-51=28', '28-4=24'] Exploring Operation: 88+24=112, Resulting Numbers: [112] 112,69 unequal: No Solution Exploring Operation: 88*24=2112, Resulting Numbers: [2112] 2112,69 unequal: No Solution Exploring Operation: 88-24=64, Resulting Numbers: [64] 64,69 unequal: No Solution Moving to Node #0,1,2 Current State: 69:[88, 7], Operations: ['79-51=28', '28/4=7'] Exploring Operation: 88+7=95, Resulting Numbers: [95] 95,69 unequal: No Solution Exploring Operation: 88*7=616, Resulting Numbers: [616] 616,69 unequal: No Solution Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 69:[51, 4, 9], Operations: ['88-79=9'] Exploring Operation: 51+9=60, Resulting Numbers: [4, 60] Generated Node #0,3,0: 69:[4, 60] Operation: 51+9=60 Exploring Operation: 9-4=5, Resulting Numbers: [51, 5] Generated Node #0,3,1: 69:[51, 5] Operation: 9-4=5 Exploring Operation: 51-9=42, Resulting Numbers: [4, 42] Generated Node #0,3,2: 69:[4, 42] Operation: 51-9=42 Exploring Operation: 51+4=55, Resulting Numbers: [9, 55] Generated Node #0,3,3: 69:[9, 55] Operation: 51+4=55 Exploring Operation: 51-4=47, Resulting Numbers: [9, 47] Generated Node #0,3,4: 69:[9, 47] Operation: 51-4=47 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 69:[4, 60], Operations: ['88-79=9', '51+9=60'] Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,69 unequal: No Solution Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,69 unequal: No Solution Exploring Operation: 4*60=240, Resulting Numbers: [240] 240,69 unequal: No Solution Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 69:[51, 5], Operations: ['88-79=9', '9-4=5'] Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,69 unequal: No Solution Exploring Operation: 51*5=255, Resulting Numbers: [255] 255,69 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 69:[4, 42], Operations: ['88-79=9', '51-9=42'] Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,69 unequal: No Solution Exploring Operation: 4+42=46, Resulting Numbers: [46] 46,69 unequal: No Solution Exploring Operation: 4*42=168, Resulting Numbers: [168] 168,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 69:[9, 55], Operations: ['88-79=9', '51+4=55'] Exploring Operation: 9+55=64, Resulting Numbers: [64] 64,69 unequal: No Solution Exploring Operation: 9*55=495, Resulting Numbers: [495] 495,69 unequal: No Solution Exploring Operation: 55-9=46, Resulting Numbers: [46] 46,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 69:[9, 47], Operations: ['88-79=9', '51-4=47'] Exploring Operation: 9*47=423, Resulting Numbers: [423] 423,69 unequal: No Solution Exploring Operation: 47-9=38, Resulting Numbers: [38] 38,69 unequal: No Solution Exploring Operation: 9+47=56, Resulting Numbers: [56] 56,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 69:[79, 4, 37], Operations: ['88-51=37'] Exploring Operation: 79-4=75, Resulting Numbers: [37, 75] Generated Node #0,4,0: 69:[37, 75] Operation: 79-4=75 Exploring Operation: 79+4=83, Resulting Numbers: [37, 83] Generated Node #0,4,1: 69:[37, 83] Operation: 79+4=83 Exploring Operation: 37-4=33, Resulting Numbers: [79, 33] Generated Node #0,4,2: 69:[79, 33] Operation: 37-4=33 Exploring Operation: 79-37=42, Resulting Numbers: [4, 42] Generated Node #0,4,3: 69:[4, 42] Operation: 79-37=42 Exploring Operation: 4+37=41, Resulting Numbers: [79, 41] Generated Node #0,4,4: 69:[79, 41] Operation: 4+37=41 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 69:[37, 75], Operations: ['88-51=37', '79-4=75'] Exploring Operation: 75-37=38, Resulting Numbers: [38] 38,69 unequal: No Solution Exploring Operation: 37*75=2775, Resulting Numbers: [2775] 2775,69 unequal: No Solution Exploring Operation: 37+75=112, Resulting Numbers: [112] 112,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 69:[79, 33], Operations: ['88-51=37', '37-4=33'] Exploring Operation: 79+33=112, Resulting Numbers: [112] 112,69 unequal: No Solution Exploring Operation: 79*33=2607, Resulting Numbers: [2607] 2607,69 unequal: No Solution Exploring Operation: 79-33=46, Resulting Numbers: [46] 46,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 69:[4, 42], Operations: ['88-51=37', '79-37=42'] Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,69 unequal: No Solution Exploring Operation: 4*42=168, Resulting Numbers: [168] 168,69 unequal: No Solution Exploring Operation: 4+42=46, Resulting Numbers: [46] 46,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 69:[37, 83], Operations: ['88-51=37', '79+4=83'] Exploring Operation: 37+83=120, Resulting Numbers: [120] 120,69 unequal: No Solution Exploring Operation: 83-37=46, Resulting Numbers: [46] 46,69 unequal: No Solution Exploring Operation: 37*83=3071, Resulting Numbers: [3071] 3071,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 69:[79, 41], Operations: ['88-51=37', '4+37=41'] Exploring Operation: 79-41=38, Resulting Numbers: [38] 38,69 unequal: No Solution Exploring Operation: 79*41=3239, Resulting Numbers: [3239] 3239,69 unequal: No Solution Exploring Operation: 79+41=120, Resulting Numbers: [120] 120,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[79, 51, 22], Operations: ['88/4=22'] Exploring Operation: 79-51=28, Resulting Numbers: [22, 28] Generated Node #0,0,0: 69:[22, 28] Operation: 79-51=28 Exploring Operation: 79-22=57, Resulting Numbers: [51, 57] Generated Node #0,0,1: 69:[51, 57] Operation: 79-22=57 Exploring Operation: 51-22=29, Resulting Numbers: [79, 29] Generated Node #0,0,2: 69:[79, 29] Operation: 51-22=29 Exploring Operation: 51+22=73, Resulting Numbers: [79, 73] Generated Node #0,0,3: 69:[79, 73] Operation: 51+22=73 Exploring Operation: 79+22=101, Resulting Numbers: [51, 101] Generated Node #0,0,4: 69:[51, 101] Operation: 79+22=101 Moving to Node #0,0,0 Current State: 69:[22, 28], Operations: ['88/4=22', '79-51=28'] Exploring Operation: 22*28=616, Resulting Numbers: [616] 616,69 unequal: No Solution Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,69 unequal: No Solution Exploring Operation: 22+28=50, Resulting Numbers: [50] 50,69 unequal: No Solution Moving to Node #0,0,3 Current State: 69:[79, 73], Operations: ['88/4=22', '51+22=73'] Exploring Operation: 79*73=5767, Resulting Numbers: [5767] 5767,69 unequal: No Solution Exploring Operation: 79-73=6, Resulting Numbers: [6] 6,69 unequal: No Solution Exploring Operation: 79+73=152, Resulting Numbers: [152] 152,69 unequal: No Solution Moving to Node #0,0,2 Current State: 69:[79, 29], Operations: ['88/4=22', '51-22=29'] Exploring Operation: 79+29=108, Resulting Numbers: [108] 108,69 unequal: No Solution Exploring Operation: 79*29=2291, Resulting Numbers: [2291] 2291,69 unequal: No Solution Exploring Operation: 79-29=50, Resulting Numbers: [50] 50,69 unequal: No Solution Moving to Node #0,0,1 Current State: 69:[51, 57], Operations: ['88/4=22', '79-22=57'] Exploring Operation: 51*57=2907, Resulting Numbers: [2907] 2907,69 unequal: No Solution Exploring Operation: 57-51=6, Resulting Numbers: [6] 6,69 unequal: No Solution Exploring Operation: 51+57=108, Resulting Numbers: [108] 108,69 unequal: No Solution Moving to Node #0,0,4 Current State: 69:[51, 101], Operations: ['88/4=22', '79+22=101'] Exploring Operation: 51+101=152, Resulting Numbers: [152] 152,69 unequal: No Solution Exploring Operation: 101-51=50, Resulting Numbers: [50] 50,69 unequal: No Solution Exploring Operation: 51*101=5151, Resulting Numbers: [5151] 5151,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 69:[79, 51, 84], Operations: ['88-4=84'] Exploring Operation: 84-79=5, Resulting Numbers: [51, 5] Generated Node #0,2,0: 69:[51, 5] Operation: 84-79=5 Exploring Operation: 79-51=28, Resulting Numbers: [84, 28] Generated Node #0,2,1: 69:[84, 28] Operation: 79-51=28 Exploring Operation: 79+51=130, Resulting Numbers: [84, 130] Generated Node #0,2,2: 69:[84, 130] Operation: 79+51=130 Exploring Operation: 84-51=33, Resulting Numbers: [79, 33] Generated Node #0,2,3: 69:[79, 33] Operation: 84-51=33 Exploring Operation: 51+84=135, Resulting Numbers: [79, 135] Generated Node #0,2,4: 69:[79, 135] Operation: 51+84=135 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 69:[51, 5], Operations: ['88-4=84', '84-79=5'] Exploring Operation: 51*5=255, Resulting Numbers: [255] 255,69 unequal: No Solution Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,69 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 69:[84, 28], Operations: ['88-4=84', '79-51=28'] Exploring Operation: 84/28=3, Resulting Numbers: [3] 3,69 unequal: No Solution Exploring Operation: 84*28=2352, Resulting Numbers: [2352] 2352,69 unequal: No Solution Exploring Operation: 84-28=56, Resulting Numbers: [56] 56,69 unequal: No Solution Exploring Operation: 84+28=112, Resulting Numbers: [112] 112,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 69:[79, 33], Operations: ['88-4=84', '84-51=33'] Exploring Operation: 79+33=112, Resulting Numbers: [112] 112,69 unequal: No Solution Exploring Operation: 79*33=2607, Resulting Numbers: [2607] 2607,69 unequal: No Solution Exploring Operation: 79-33=46, Resulting Numbers: [46] 46,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 69:[84, 130], Operations: ['88-4=84', '79+51=130'] Exploring Operation: 84+130=214, Resulting Numbers: [214] 214,69 unequal: No Solution Exploring Operation: 84*130=10920, Resulting Numbers: [10920] 10920,69 unequal: No Solution Exploring Operation: 130-84=46, Resulting Numbers: [46] 46,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 69:[79, 135], Operations: ['88-4=84', '51+84=135'] Exploring Operation: 135-79=56, Resulting Numbers: [56] 56,69 unequal: No Solution Exploring Operation: 79*135=10665, Resulting Numbers: [10665] 10665,69 unequal: No Solution Exploring Operation: 79+135=214, Resulting Numbers: [214] 214,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 30, 48, 3, 15 ]
57
[ "30*3=90", "48-15=33", "90-33=57" ]
Current State: 57:[30, 48, 3, 15], Operations: [] Exploring Operation: 30*3=90, Resulting Numbers: [48, 15, 90] Generated Node #2: [48, 15, 90] from Operation: 30*3=90 Current State: 57:[48, 15, 90], Operations: ['30*3=90'] Exploring Operation: 48-15=33, Resulting Numbers: [90, 33] Generated Node #3: [90, 33] from Operation: 48-15=33 Current State: 57:[90, 33], Operations: ['30*3=90', '48-15=33'] Exploring Operation: 90-33=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[30, 48, 3, 15], Operations: [] Exploring Operation: 30/15=2, Resulting Numbers: [48, 3, 2] Generated Node #0,0: 57:[48, 3, 2] Operation: 30/15=2 Exploring Operation: 48-30=18, Resulting Numbers: [3, 15, 18] Generated Node #0,1: 57:[3, 15, 18] Operation: 48-30=18 Moving to Node #0,1 Current State: 57:[3, 15, 18], Operations: ['48-30=18'] Exploring Operation: 18-15=3, Resulting Numbers: [3, 3] Generated Node #0,1,0: 57:[3, 3] Operation: 18-15=3 Exploring Operation: 3+15=18, Resulting Numbers: [18, 18] Generated Node #0,1,1: 57:[18, 18] Operation: 3+15=18 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 57:[3, 3], Operations: ['48-30=18', '18-15=3'] Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,57 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 #0,1,1 Current State: 57:[18, 18], Operations: ['48-30=18', '3+15=18'] Exploring Operation: 18-18=0, Resulting Numbers: [0] 0,57 unequal: No Solution Exploring Operation: 18/18=1, Resulting Numbers: [1] 1,57 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: 57:[48, 3, 2], Operations: ['30/15=2'] Exploring Operation: 48/3=16, Resulting Numbers: [2, 16] Generated Node #0,0,0: 57:[2, 16] Operation: 48/3=16 Exploring Operation: 48/2=24, Resulting Numbers: [3, 24] Generated Node #0,0,1: 57:[3, 24] Operation: 48/2=24 Moving to Node #0,0,0 Current State: 57:[2, 16], Operations: ['30/15=2', '48/3=16'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,57 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[3, 24], Operations: ['30/15=2', '48/2=24'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,57 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,57 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 58, 17, 57, 50 ]
66
[ "58-17=41", "57+50=107", "107-41=66" ]
Current State: 66:[58, 17, 57, 50], Operations: [] Exploring Operation: 58-17=41, Resulting Numbers: [57, 50, 41] Generated Node #2: [57, 50, 41] from Operation: 58-17=41 Current State: 66:[57, 50, 41], Operations: ['58-17=41'] Exploring Operation: 57+50=107, Resulting Numbers: [41, 107] Generated Node #3: [41, 107] from Operation: 57+50=107 Current State: 66:[41, 107], Operations: ['58-17=41', '57+50=107'] Exploring Operation: 107-41=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[58, 17, 57, 50], Operations: [] Exploring Operation: 57-50=7, Resulting Numbers: [58, 17, 7] Generated Node #0,0: 66:[58, 17, 7] Operation: 57-50=7 Moving to Node #0,0 Current State: 66:[58, 17, 7], Operations: ['57-50=7'] Exploring Operation: 58+7=65, Resulting Numbers: [17, 65] Generated Node #0,0,0: 66:[17, 65] Operation: 58+7=65 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[17, 65], Operations: ['57-50=7', '58+7=65'] Exploring Operation: 65-17=48, Resulting Numbers: [48] 48,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 27, 59, 69, 71 ]
54
[ "27+59=86", "69+71=140", "140-86=54" ]
Current State: 54:[27, 59, 69, 71], Operations: [] Exploring Operation: 27+59=86, Resulting Numbers: [69, 71, 86] Generated Node #2: [69, 71, 86] from Operation: 27+59=86 Current State: 54:[69, 71, 86], Operations: ['27+59=86'] Exploring Operation: 69+71=140, Resulting Numbers: [86, 140] Generated Node #3: [86, 140] from Operation: 69+71=140 Current State: 54:[86, 140], Operations: ['27+59=86', '69+71=140'] Exploring Operation: 140-86=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[27, 59, 69, 71], Operations: [] Exploring Operation: 71-69=2, Resulting Numbers: [27, 59, 2] Generated Node #0,0: 54:[27, 59, 2] Operation: 71-69=2 Moving to Node #0,0 Current State: 54:[27, 59, 2], Operations: ['71-69=2'] Exploring Operation: 59-2=57, Resulting Numbers: [27, 57] Generated Node #0,0,0: 54:[27, 57] Operation: 59-2=57 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[27, 57], Operations: ['71-69=2', '59-2=57'] Exploring Operation: 57-27=30, Resulting Numbers: [30] 30,54 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
[ 42, 49, 86, 1 ]
78
[ "49-42=7", "86-1=85", "85-7=78" ]
Current State: 78:[42, 49, 86, 1], Operations: [] Exploring Operation: 49-42=7, Resulting Numbers: [86, 1, 7] Generated Node #2: [86, 1, 7] from Operation: 49-42=7 Current State: 78:[86, 1, 7], Operations: ['49-42=7'] Exploring Operation: 86-1=85, Resulting Numbers: [7, 85] Generated Node #3: [7, 85] from Operation: 86-1=85 Current State: 78:[7, 85], Operations: ['49-42=7', '86-1=85'] Exploring Operation: 85-7=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[42, 49, 86, 1], Operations: [] Exploring Operation: 86-49=37, Resulting Numbers: [42, 1, 37] Generated Node #0,0: 78:[42, 1, 37] Operation: 86-49=37 Exploring Operation: 49-42=7, Resulting Numbers: [86, 1, 7] Generated Node #0,1: 78:[86, 1, 7] Operation: 49-42=7 Exploring Operation: 86-42=44, Resulting Numbers: [49, 1, 44] Generated Node #0,2: 78:[49, 1, 44] Operation: 86-42=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[42, 1, 37], Operations: ['86-49=37'] Exploring Operation: 42-37=5, Resulting Numbers: [1, 5] Generated Node #0,0,0: 78:[1, 5] Operation: 42-37=5 Exploring Operation: 42-1=41, Resulting Numbers: [37, 41] Generated Node #0,0,1: 78:[37, 41] Operation: 42-1=41 Exploring Operation: 42+37=79, Resulting Numbers: [1, 79] Generated Node #0,0,2: 78:[1, 79] Operation: 42+37=79 Moving to Node #0,0,0 Current State: 78:[1, 5], Operations: ['86-49=37', '42-37=5'] Exploring Operation: 1+5=6, Resulting Numbers: [6] 6,78 unequal: No Solution Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,78 unequal: No Solution Moving to Node #0,0,2 Current State: 78:[1, 79], Operations: ['86-49=37', '42+37=79'] Exploring Operation: 79/1=79, Resulting Numbers: [79] 79,78 unequal: No Solution Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[42, 49, 86, 1], Operations: [] Exploring Operation: 86-49=37, Resulting Numbers: [42, 1, 37] Generated Node #0,0: 78:[42, 1, 37] Operation: 86-49=37 Moving to Node #0,0 Current State: 78:[42, 1, 37], Operations: ['86-49=37'] Exploring Operation: 42+37=79, Resulting Numbers: [1, 79] Generated Node #0,0,2: 78:[1, 79] Operation: 42+37=79 Moving to Node #0,0,2 Current State: 78:[1, 79], Operations: ['86-49=37', '42+37=79'] Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 82, 63, 26, 42 ]
35
[ "82-63=19", "42-26=16", "19+16=35" ]
Current State: 35:[82, 63, 26, 42], Operations: [] Exploring Operation: 82-63=19, Resulting Numbers: [26, 42, 19] Generated Node #2: [26, 42, 19] from Operation: 82-63=19 Current State: 35:[26, 42, 19], Operations: ['82-63=19'] Exploring Operation: 42-26=16, Resulting Numbers: [19, 16] Generated Node #3: [19, 16] from Operation: 42-26=16 Current State: 35:[19, 16], Operations: ['82-63=19', '42-26=16'] Exploring Operation: 19+16=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[82, 63, 26, 42], Operations: [] Exploring Operation: 82-63=19, Resulting Numbers: [26, 42, 19] Generated Node #0,0: 35:[26, 42, 19] Operation: 82-63=19 Moving to Node #0,0 Current State: 35:[26, 42, 19], Operations: ['82-63=19'] Exploring Operation: 26-19=7, Resulting Numbers: [42, 7] Generated Node #0,0,0: 35:[42, 7] Operation: 26-19=7 Moving to Node #0,0,0 Current State: 35:[42, 7], Operations: ['82-63=19', '26-19=7'] Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[82, 63, 26, 42], Operations: [] Exploring Operation: 82-63=19, Resulting Numbers: [26, 42, 19] Generated Node #0,0: 35:[26, 42, 19] Operation: 82-63=19 Moving to Node #0,0 Current State: 35:[26, 42, 19], Operations: ['82-63=19'] Exploring Operation: 26-19=7, Resulting Numbers: [42, 7] Generated Node #0,0,0: 35:[42, 7] Operation: 26-19=7 Moving to Node #0,0,0 Current State: 35:[42, 7], Operations: ['82-63=19', '26-19=7'] Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 81, 7, 65, 93 ]
84
[ "81-7=74", "65+93=158", "158-74=84" ]
Current State: 84:[81, 7, 65, 93], Operations: [] Exploring Operation: 81-7=74, Resulting Numbers: [65, 93, 74] Generated Node #2: [65, 93, 74] from Operation: 81-7=74 Current State: 84:[65, 93, 74], Operations: ['81-7=74'] Exploring Operation: 65+93=158, Resulting Numbers: [74, 158] Generated Node #3: [74, 158] from Operation: 65+93=158 Current State: 84:[74, 158], Operations: ['81-7=74', '65+93=158'] Exploring Operation: 158-74=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[81, 7, 65, 93], Operations: [] Exploring Operation: 93-65=28, Resulting Numbers: [81, 7, 28] Generated Node #0,0: 84:[81, 7, 28] Operation: 93-65=28 Exploring Operation: 93-81=12, Resulting Numbers: [7, 65, 12] Generated Node #0,1: 84:[7, 65, 12] Operation: 93-81=12 Exploring Operation: 81-65=16, Resulting Numbers: [7, 93, 16] Generated Node #0,2: 84:[7, 93, 16] Operation: 81-65=16 Exploring Operation: 7+65=72, Resulting Numbers: [81, 93, 72] Generated Node #0,3: 84:[81, 93, 72] Operation: 7+65=72 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[81, 7, 28], Operations: ['93-65=28'] Exploring Operation: 28/7=4, Resulting Numbers: [81, 4] Generated Node #0,0,0: 84:[81, 4] Operation: 28/7=4 Exploring Operation: 28-7=21, Resulting Numbers: [81, 21] Generated Node #0,0,1: 84:[81, 21] Operation: 28-7=21 Exploring Operation: 81+7=88, Resulting Numbers: [28, 88] Generated Node #0,0,2: 84:[28, 88] Operation: 81+7=88 Exploring Operation: 81-7=74, Resulting Numbers: [28, 74] Generated Node #0,0,3: 84:[28, 74] Operation: 81-7=74 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[81, 4], Operations: ['93-65=28', '28/7=4'] Exploring Operation: 81*4=324, Resulting Numbers: [324] 324,84 unequal: No Solution Exploring Operation: 81+4=85, Resulting Numbers: [85] 85,84 unequal: No Solution Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 84:[81, 21], Operations: ['93-65=28', '28-7=21'] Exploring Operation: 81-21=60, Resulting Numbers: [60] 60,84 unequal: No Solution Exploring Operation: 81+21=102, Resulting Numbers: [102] 102,84 unequal: No Solution Exploring Operation: 81*21=1701, Resulting Numbers: [1701] 1701,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 84:[28, 88], Operations: ['93-65=28', '81+7=88'] Exploring Operation: 88-28=60, Resulting Numbers: [60] 60,84 unequal: No Solution Exploring Operation: 28+88=116, Resulting Numbers: [116] 116,84 unequal: No Solution Exploring Operation: 28*88=2464, Resulting Numbers: [2464] 2464,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 84:[28, 74], Operations: ['93-65=28', '81-7=74'] Exploring Operation: 28+74=102, Resulting Numbers: [102] 102,84 unequal: No Solution Exploring Operation: 74-28=46, Resulting Numbers: [46] 46,84 unequal: No Solution Exploring Operation: 28*74=2072, Resulting Numbers: [2072] 2072,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[7, 93, 16], Operations: ['81-65=16'] Exploring Operation: 93-7=86, Resulting Numbers: [16, 86] Generated Node #0,2,0: 84:[16, 86] Operation: 93-7=86 Exploring Operation: 7+16=23, Resulting Numbers: [93, 23] Generated Node #0,2,1: 84:[93, 23] Operation: 7+16=23 Exploring Operation: 93-16=77, Resulting Numbers: [7, 77] Generated Node #0,2,2: 84:[7, 77] Operation: 93-16=77 Exploring Operation: 16-7=9, Resulting Numbers: [93, 9] Generated Node #0,2,3: 84:[93, 9] Operation: 16-7=9 Moving to Node #0,2,0 Current State: 84:[16, 86], Operations: ['81-65=16', '93-7=86'] Exploring Operation: 86-16=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 16*86=1376, Resulting Numbers: [1376] 1376,84 unequal: No Solution Exploring Operation: 16+86=102, Resulting Numbers: [102] 102,84 unequal: No Solution Moving to Node #0,2,2 Current State: 84:[7, 77], Operations: ['81-65=16', '93-16=77'] Exploring Operation: 7+77=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[81, 7, 65, 93], Operations: [] Exploring Operation: 81-65=16, Resulting Numbers: [7, 93, 16] Generated Node #0,2: 84:[7, 93, 16] Operation: 81-65=16 Moving to Node #0,2 Current State: 84:[7, 93, 16], Operations: ['81-65=16'] Exploring Operation: 93-16=77, Resulting Numbers: [7, 77] Generated Node #0,2,2: 84:[7, 77] Operation: 93-16=77 Moving to Node #0,2,2 Current State: 84:[7, 77], Operations: ['81-65=16', '93-16=77'] Exploring Operation: 7+77=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_4
sum_heuristic
[ 67, 39, 5, 4 ]
28
[ "67-39=28", "5-4=1", "28*1=28" ]
Current State: 28:[67, 39, 5, 4], Operations: [] Exploring Operation: 67-39=28, Resulting Numbers: [5, 4, 28] Generated Node #2: [5, 4, 28] from Operation: 67-39=28 Current State: 28:[5, 4, 28], Operations: ['67-39=28'] Exploring Operation: 5-4=1, Resulting Numbers: [28, 1] Generated Node #3: [28, 1] from Operation: 5-4=1 Current State: 28:[28, 1], Operations: ['67-39=28', '5-4=1'] Exploring Operation: 28*1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[67, 39, 5, 4], Operations: [] Exploring Operation: 67-39=28, Resulting Numbers: [5, 4, 28] Generated Node #0,0: 28:[5, 4, 28] Operation: 67-39=28 Moving to Node #0,0 Current State: 28:[5, 4, 28], Operations: ['67-39=28'] Exploring Operation: 5-4=1, Resulting Numbers: [28, 1] Generated Node #0,0,0: 28:[28, 1] Operation: 5-4=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[28, 1], Operations: ['67-39=28', '5-4=1'] Exploring Operation: 28*1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[67, 39, 5, 4], Operations: [] Exploring Operation: 67-39=28, Resulting Numbers: [5, 4, 28] Generated Node #0,0: 28:[5, 4, 28] Operation: 67-39=28 Moving to Node #0,0 Current State: 28:[5, 4, 28], Operations: ['67-39=28'] Exploring Operation: 5-4=1, Resulting Numbers: [28, 1] Generated Node #0,0,0: 28:[28, 1] Operation: 5-4=1 Moving to Node #0,0,0 Current State: 28:[28, 1], Operations: ['67-39=28', '5-4=1'] Exploring Operation: 28*1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 49, 1, 49, 42 ]
41
[ "49+1=50", "49+42=91", "91-50=41" ]
Current State: 41:[49, 1, 49, 42], Operations: [] Exploring Operation: 49+1=50, Resulting Numbers: [42, 50] Generated Node #2: [42, 50] from Operation: 49+1=50 Current State: 41:[42, 50], Operations: ['49+1=50'] Exploring Operation: 49+42=91, Resulting Numbers: [50, 91] Generated Node #3: [50, 91] from Operation: 49+42=91 Current State: 41:[50, 91], Operations: ['49+1=50', '49+42=91'] Exploring Operation: 91-50=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[49, 1, 49, 42], Operations: [] Exploring Operation: 49-1=48, Resulting Numbers: [49, 42, 48] Generated Node #0,0: 41:[49, 42, 48] Operation: 49-1=48 Exploring Operation: 49-1=48, Resulting Numbers: [49, 42, 48] Generated Node #0,1: 41:[49, 42, 48] Operation: 49-1=48 Moving to Node #0,0 Current State: 41:[49, 42, 48], Operations: ['49-1=48'] Exploring Operation: 49-42=7, Resulting Numbers: [48, 7] Generated Node #0,0,0: 41:[48, 7] Operation: 49-42=7 Exploring Operation: 49-48=1, Resulting Numbers: [42, 1] Generated Node #0,0,1: 41:[42, 1] Operation: 49-48=1 Moving to Node #0,1 Current State: 41:[49, 42, 48], Operations: ['49-1=48'] Exploring Operation: 49-42=7, Resulting Numbers: [48, 7] Generated Node #0,1,0: 41:[48, 7] Operation: 49-42=7 Exploring Operation: 49-48=1, Resulting Numbers: [42, 1] Generated Node #0,1,1: 41:[42, 1] Operation: 49-48=1 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[48, 7], Operations: ['49-1=48', '49-42=7'] Exploring Operation: 48+7=55, Resulting Numbers: [55] 55,41 unequal: No Solution Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[49, 1, 49, 42], Operations: [] Exploring Operation: 49-1=48, Resulting Numbers: [49, 42, 48] Generated Node #0,1: 41:[49, 42, 48] Operation: 49-1=48 Moving to Node #0,1 Current State: 41:[49, 42, 48], Operations: ['49-1=48'] Exploring Operation: 49-42=7, Resulting Numbers: [48, 7] Generated Node #0,1,0: 41:[48, 7] Operation: 49-42=7 Moving to Node #0,1,0 Current State: 41:[48, 7], Operations: ['49-1=48', '49-42=7'] Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 86, 80, 90, 10 ]
25
[ "86-80=6", "90/6=15", "10+15=25" ]
Current State: 25:[86, 80, 90, 10], Operations: [] Exploring Operation: 86-80=6, Resulting Numbers: [90, 10, 6] Generated Node #2: [90, 10, 6] from Operation: 86-80=6 Current State: 25:[90, 10, 6], Operations: ['86-80=6'] Exploring Operation: 90/6=15, Resulting Numbers: [10, 15] Generated Node #3: [10, 15] from Operation: 90/6=15 Current State: 25:[10, 15], Operations: ['86-80=6', '90/6=15'] Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[86, 80, 90, 10], Operations: [] Exploring Operation: 90-86=4, Resulting Numbers: [80, 10, 4] Generated Node #0,0: 25:[80, 10, 4] Operation: 90-86=4 Exploring Operation: 86-80=6, Resulting Numbers: [90, 10, 6] Generated Node #0,1: 25:[90, 10, 6] Operation: 86-80=6 Moving to Node #0,0 Current State: 25:[80, 10, 4], Operations: ['90-86=4'] Exploring Operation: 80/4=20, Resulting Numbers: [10, 20] Generated Node #0,0,0: 25:[10, 20] Operation: 80/4=20 Exploring Operation: 80/10=8, Resulting Numbers: [4, 8] Generated Node #0,0,1: 25:[4, 8] Operation: 80/10=8 Moving to Node #0,1 Current State: 25:[90, 10, 6], Operations: ['86-80=6'] Exploring Operation: 90/6=15, Resulting Numbers: [10, 15] Generated Node #0,1,0: 25:[10, 15] Operation: 90/6=15 Exploring Operation: 90/10=9, Resulting Numbers: [6, 9] Generated Node #0,1,1: 25:[6, 9] Operation: 90/10=9 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 25:[6, 9], Operations: ['86-80=6', '90/10=9'] Exploring Operation: 6+9=15, Resulting Numbers: [15] 15,25 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[10, 15], Operations: ['86-80=6', '90/6=15'] Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[86, 80, 90, 10], Operations: [] Exploring Operation: 86-80=6, Resulting Numbers: [90, 10, 6] Generated Node #0,1: 25:[90, 10, 6] Operation: 86-80=6 Moving to Node #0,1 Current State: 25:[90, 10, 6], Operations: ['86-80=6'] Exploring Operation: 90/6=15, Resulting Numbers: [10, 15] Generated Node #0,1,0: 25:[10, 15] Operation: 90/6=15 Moving to Node #0,1,0 Current State: 25:[10, 15], Operations: ['86-80=6', '90/6=15'] Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_2
sum_heuristic
[ 50, 63, 40, 55 ]
28
[ "63-50=13", "55-40=15", "13+15=28" ]
Current State: 28:[50, 63, 40, 55], Operations: [] Exploring Operation: 63-50=13, Resulting Numbers: [40, 55, 13] Generated Node #2: [40, 55, 13] from Operation: 63-50=13 Current State: 28:[40, 55, 13], Operations: ['63-50=13'] Exploring Operation: 55-40=15, Resulting Numbers: [13, 15] Generated Node #3: [13, 15] from Operation: 55-40=15 Current State: 28:[13, 15], Operations: ['63-50=13', '55-40=15'] Exploring Operation: 13+15=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[50, 63, 40, 55], Operations: [] Exploring Operation: 63-55=8, Resulting Numbers: [50, 40, 8] Generated Node #0,0: 28:[50, 40, 8] Operation: 63-55=8 Moving to Node #0,0 Current State: 28:[50, 40, 8], Operations: ['63-55=8'] Exploring Operation: 50-40=10, Resulting Numbers: [8, 10] Generated Node #0,0,0: 28:[8, 10] Operation: 50-40=10 Moving to Node #0,0,0 Current State: 28:[8, 10], Operations: ['63-55=8', '50-40=10'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,28 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 82, 11, 73, 65 ]
20
[ "82+73=155", "65+155=220", "220/11=20" ]
Current State: 20:[82, 11, 73, 65], Operations: [] Exploring Operation: 82+73=155, Resulting Numbers: [11, 65, 155] Generated Node #2: [11, 65, 155] from Operation: 82+73=155 Current State: 20:[11, 65, 155], Operations: ['82+73=155'] Exploring Operation: 65+155=220, Resulting Numbers: [11, 220] Generated Node #3: [11, 220] from Operation: 65+155=220 Current State: 20:[11, 220], Operations: ['82+73=155', '65+155=220'] Exploring Operation: 220/11=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[82, 11, 73, 65], Operations: [] Exploring Operation: 82-73=9, Resulting Numbers: [11, 65, 9] Generated Node #0,0: 20:[11, 65, 9] Operation: 82-73=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[11, 65, 9], Operations: ['82-73=9'] Exploring Operation: 65-11=54, Resulting Numbers: [9, 54] Generated Node #0,0,0: 20:[9, 54] Operation: 65-11=54 Moving to Node #0,0,0 Current State: 20:[9, 54], Operations: ['82-73=9', '65-11=54'] Exploring Operation: 54/9=6, Resulting Numbers: [6] 6,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 10, 1, 43, 12 ]
85
[ "12-10=2", "43*2=86", "86-1=85" ]
Current State: 85:[10, 1, 43, 12], Operations: [] Exploring Operation: 12-10=2, Resulting Numbers: [1, 43, 2] Generated Node #2: [1, 43, 2] from Operation: 12-10=2 Current State: 85:[1, 43, 2], Operations: ['12-10=2'] Exploring Operation: 43*2=86, Resulting Numbers: [1, 86] Generated Node #3: [1, 86] from Operation: 43*2=86 Current State: 85:[1, 86], Operations: ['12-10=2', '43*2=86'] Exploring Operation: 86-1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[10, 1, 43, 12], Operations: [] Exploring Operation: 43-12=31, Resulting Numbers: [10, 1, 31] Generated Node #0,0: 85:[10, 1, 31] Operation: 43-12=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[10, 1, 31], Operations: ['43-12=31'] Exploring Operation: 31-10=21, Resulting Numbers: [1, 21] Generated Node #0,0,0: 85:[1, 21] Operation: 31-10=21 Moving to Node #0,0,0 Current State: 85:[1, 21], Operations: ['43-12=31', '31-10=21'] Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 29, 15, 65, 43 ]
67
[ "15+43=58", "58/29=2", "65+2=67" ]
Current State: 67:[29, 15, 65, 43], Operations: [] Exploring Operation: 15+43=58, Resulting Numbers: [29, 65, 58] Generated Node #2: [29, 65, 58] from Operation: 15+43=58 Current State: 67:[29, 65, 58], Operations: ['15+43=58'] Exploring Operation: 58/29=2, Resulting Numbers: [65, 2] Generated Node #3: [65, 2] from Operation: 58/29=2 Current State: 67:[65, 2], Operations: ['15+43=58', '58/29=2'] Exploring Operation: 65+2=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[29, 15, 65, 43], Operations: [] Exploring Operation: 29+15=44, Resulting Numbers: [65, 43, 44] Generated Node #0,0: 67:[65, 43, 44] Operation: 29+15=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[65, 43, 44], Operations: ['29+15=44'] Exploring Operation: 43+44=87, Resulting Numbers: [65, 87] Generated Node #0,0,0: 67:[65, 87] Operation: 43+44=87 Moving to Node #0,0,0 Current State: 67:[65, 87], Operations: ['29+15=44', '43+44=87'] Exploring Operation: 87-65=22, Resulting Numbers: [22] 22,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 80, 56, 74, 5 ]
34
[ "80/5=16", "74-56=18", "16+18=34" ]
Current State: 34:[80, 56, 74, 5], Operations: [] Exploring Operation: 80/5=16, Resulting Numbers: [56, 74, 16] Generated Node #2: [56, 74, 16] from Operation: 80/5=16 Current State: 34:[56, 74, 16], Operations: ['80/5=16'] Exploring Operation: 74-56=18, Resulting Numbers: [16, 18] Generated Node #3: [16, 18] from Operation: 74-56=18 Current State: 34:[16, 18], Operations: ['80/5=16', '74-56=18'] Exploring Operation: 16+18=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[80, 56, 74, 5], Operations: [] Exploring Operation: 80-56=24, Resulting Numbers: [74, 5, 24] Generated Node #0,0: 34:[74, 5, 24] Operation: 80-56=24 Exploring Operation: 80-74=6, Resulting Numbers: [56, 5, 6] Generated Node #0,1: 34:[56, 5, 6] Operation: 80-74=6 Exploring Operation: 74-56=18, Resulting Numbers: [80, 5, 18] Generated Node #0,2: 34:[80, 5, 18] Operation: 74-56=18 Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[56, 5, 6], Operations: ['80-74=6'] Exploring Operation: 56-6=50, Resulting Numbers: [5, 50] Generated Node #0,1,0: 34:[5, 50] Operation: 56-6=50 Exploring Operation: 56-5=51, Resulting Numbers: [6, 51] Generated Node #0,1,1: 34:[6, 51] Operation: 56-5=51 Exploring Operation: 6-5=1, Resulting Numbers: [56, 1] Generated Node #0,1,2: 34:[56, 1] Operation: 6-5=1 Moving to Node #0,1,0 Current State: 34:[5, 50], Operations: ['80-74=6', '56-6=50'] Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,34 unequal: No Solution Moving to Node #0,1,1 Current State: 34:[6, 51], Operations: ['80-74=6', '56-5=51'] Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 6*51=306, Resulting Numbers: [306] 306,34 unequal: No Solution Exploring Operation: 6+51=57, Resulting Numbers: [57] 57,34 unequal: No Solution Moving to Node #0,1,2 Current State: 34:[56, 1], Operations: ['80-74=6', '6-5=1'] Exploring Operation: 56*1=56, Resulting Numbers: [56] 56,34 unequal: No Solution Exploring Operation: 56/1=56, Resulting Numbers: [56] 56,34 unequal: No Solution Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[74, 5, 24], Operations: ['80-56=24'] Exploring Operation: 24-5=19, Resulting Numbers: [74, 19] Generated Node #0,0,0: 34:[74, 19] Operation: 24-5=19 Exploring Operation: 74-24=50, Resulting Numbers: [5, 50] Generated Node #0,0,1: 34:[5, 50] Operation: 74-24=50 Exploring Operation: 74-5=69, Resulting Numbers: [24, 69] Generated Node #0,0,2: 34:[24, 69] Operation: 74-5=69 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 34:[5, 50], Operations: ['80-56=24', '74-24=50'] Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[74, 19], Operations: ['80-56=24', '24-5=19'] Exploring Operation: 74-19=55, Resulting Numbers: [55] 55,34 unequal: No Solution Exploring Operation: 74*19=1406, Resulting Numbers: [1406] 1406,34 unequal: No Solution Exploring Operation: 74+19=93, Resulting Numbers: [93] 93,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 34:[24, 69], Operations: ['80-56=24', '74-5=69'] Exploring Operation: 24*69=1656, Resulting Numbers: [1656] 1656,34 unequal: No Solution Exploring Operation: 69-24=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 24+69=93, Resulting Numbers: [93] 93,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[80, 5, 18], Operations: ['74-56=18'] Exploring Operation: 80-18=62, Resulting Numbers: [5, 62] Generated Node #0,2,0: 34:[5, 62] Operation: 80-18=62 Exploring Operation: 80/5=16, Resulting Numbers: [18, 16] Generated Node #0,2,1: 34:[18, 16] Operation: 80/5=16 Exploring Operation: 80-5=75, Resulting Numbers: [18, 75] Generated Node #0,2,2: 34:[18, 75] Operation: 80-5=75 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 34:[18, 16], Operations: ['74-56=18', '80/5=16'] Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[80, 56, 74, 5], Operations: [] Exploring Operation: 74-56=18, Resulting Numbers: [80, 5, 18] Generated Node #0,2: 34:[80, 5, 18] Operation: 74-56=18 Moving to Node #0,2 Current State: 34:[80, 5, 18], Operations: ['74-56=18'] Exploring Operation: 80/5=16, Resulting Numbers: [18, 16] Generated Node #0,2,1: 34:[18, 16] Operation: 80/5=16 Moving to Node #0,2,1 Current State: 34:[18, 16], Operations: ['74-56=18', '80/5=16'] Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96875
hs_3
sum_heuristic
[ 90, 77, 87, 2 ]
95
[ "87-77=10", "10/2=5", "90+5=95" ]
Current State: 95:[90, 77, 87, 2], Operations: [] Exploring Operation: 87-77=10, Resulting Numbers: [90, 2, 10] Generated Node #2: [90, 2, 10] from Operation: 87-77=10 Current State: 95:[90, 2, 10], Operations: ['87-77=10'] Exploring Operation: 10/2=5, Resulting Numbers: [90, 5] Generated Node #3: [90, 5] from Operation: 10/2=5 Current State: 95:[90, 5], Operations: ['87-77=10', '10/2=5'] Exploring Operation: 90+5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[90, 77, 87, 2], Operations: [] Exploring Operation: 87-77=10, Resulting Numbers: [90, 2, 10] Generated Node #0,0: 95:[90, 2, 10] Operation: 87-77=10 Exploring Operation: 90-77=13, Resulting Numbers: [87, 2, 13] Generated Node #0,1: 95:[87, 2, 13] Operation: 90-77=13 Exploring Operation: 90+2=92, Resulting Numbers: [77, 87, 92] Generated Node #0,2: 95:[77, 87, 92] Operation: 90+2=92 Exploring Operation: 90-87=3, Resulting Numbers: [77, 2, 3] Generated Node #0,3: 95:[77, 2, 3] Operation: 90-87=3 Moving to Node #0,0 Current State: 95:[90, 2, 10], Operations: ['87-77=10'] Exploring Operation: 90/10=9, Resulting Numbers: [2, 9] Generated Node #0,0,0: 95:[2, 9] Operation: 90/10=9 Exploring Operation: 2*10=20, Resulting Numbers: [90, 20] Generated Node #0,0,1: 95:[90, 20] Operation: 2*10=20 Exploring Operation: 90+2=92, Resulting Numbers: [10, 92] Generated Node #0,0,2: 95:[10, 92] Operation: 90+2=92 Exploring Operation: 10/2=5, Resulting Numbers: [90, 5] Generated Node #0,0,3: 95:[90, 5] Operation: 10/2=5 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 95:[90, 5], Operations: ['87-77=10', '10/2=5'] Exploring Operation: 90+5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[90, 77, 87, 2], Operations: [] Exploring Operation: 87-77=10, Resulting Numbers: [90, 2, 10] Generated Node #0,0: 95:[90, 2, 10] Operation: 87-77=10 Moving to Node #0,0 Current State: 95:[90, 2, 10], Operations: ['87-77=10'] Exploring Operation: 10/2=5, Resulting Numbers: [90, 5] Generated Node #0,0,3: 95:[90, 5] Operation: 10/2=5 Moving to Node #0,0,3 Current State: 95:[90, 5], Operations: ['87-77=10', '10/2=5'] Exploring Operation: 90+5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 87, 33, 61, 75 ]
42
[ "33*75=2475", "87+2475=2562", "2562/61=42" ]
Current State: 42:[87, 33, 61, 75], Operations: [] Exploring Operation: 33*75=2475, Resulting Numbers: [87, 61, 2475] Generated Node #2: [87, 61, 2475] from Operation: 33*75=2475 Current State: 42:[87, 61, 2475], Operations: ['33*75=2475'] Exploring Operation: 87+2475=2562, Resulting Numbers: [61, 2562] Generated Node #3: [61, 2562] from Operation: 87+2475=2562 Current State: 42:[61, 2562], Operations: ['33*75=2475', '87+2475=2562'] Exploring Operation: 2562/61=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[87, 33, 61, 75], Operations: [] Exploring Operation: 87-75=12, Resulting Numbers: [33, 61, 12] Generated Node #0,0: 42:[33, 61, 12] Operation: 87-75=12 Moving to Node #0,0 Current State: 42:[33, 61, 12], Operations: ['87-75=12'] Exploring Operation: 61-33=28, Resulting Numbers: [12, 28] Generated Node #0,0,0: 42:[12, 28] Operation: 61-33=28 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[12, 28], Operations: ['87-75=12', '61-33=28'] Exploring Operation: 12+28=40, Resulting Numbers: [40] 40,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 34, 44, 13, 32 ]
98
[ "44-34=10", "13*10=130", "130-32=98" ]
Current State: 98:[34, 44, 13, 32], Operations: [] Exploring Operation: 44-34=10, Resulting Numbers: [13, 32, 10] Generated Node #2: [13, 32, 10] from Operation: 44-34=10 Current State: 98:[13, 32, 10], Operations: ['44-34=10'] Exploring Operation: 13*10=130, Resulting Numbers: [32, 130] Generated Node #3: [32, 130] from Operation: 13*10=130 Current State: 98:[32, 130], Operations: ['44-34=10', '13*10=130'] Exploring Operation: 130-32=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[34, 44, 13, 32], Operations: [] Exploring Operation: 34+32=66, Resulting Numbers: [44, 13, 66] Generated Node #0,0: 98:[44, 13, 66] Operation: 34+32=66 Exploring Operation: 44-32=12, Resulting Numbers: [34, 13, 12] Generated Node #0,1: 98:[34, 13, 12] Operation: 44-32=12 Exploring Operation: 44-34=10, Resulting Numbers: [13, 32, 10] Generated Node #0,2: 98:[13, 32, 10] Operation: 44-34=10 Exploring Operation: 34-32=2, Resulting Numbers: [44, 13, 2] Generated Node #0,3: 98:[44, 13, 2] Operation: 34-32=2 Moving to Node #0,3 Current State: 98:[44, 13, 2], Operations: ['34-32=2'] Exploring Operation: 13+2=15, Resulting Numbers: [44, 15] Generated Node #0,3,0: 98:[44, 15] Operation: 13+2=15 Exploring Operation: 44+13=57, Resulting Numbers: [2, 57] Generated Node #0,3,1: 98:[2, 57] Operation: 44+13=57 Exploring Operation: 44+2=46, Resulting Numbers: [13, 46] Generated Node #0,3,2: 98:[13, 46] Operation: 44+2=46 Exploring Operation: 44-2=42, Resulting Numbers: [13, 42] Generated Node #0,3,3: 98:[13, 42] Operation: 44-2=42 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 98:[13, 46], Operations: ['34-32=2', '44+2=46'] Exploring Operation: 13*46=598, Resulting Numbers: [598] 598,98 unequal: No Solution Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,98 unequal: No Solution Exploring Operation: 13+46=59, Resulting Numbers: [59] 59,98 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 #0,3,0 Current State: 98:[44, 15], Operations: ['34-32=2', '13+2=15'] Exploring Operation: 44+15=59, Resulting Numbers: [59] 59,98 unequal: No Solution Exploring Operation: 44*15=660, Resulting Numbers: [660] 660,98 unequal: No Solution Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,98 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 #0,3,1 Current State: 98:[2, 57], Operations: ['34-32=2', '44+13=57'] Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,98 unequal: No Solution Exploring Operation: 2*57=114, Resulting Numbers: [114] 114,98 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,98 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 #0,3,3 Current State: 98:[13, 42], Operations: ['34-32=2', '44-2=42'] Exploring Operation: 42-13=29, Resulting Numbers: [29] 29,98 unequal: No Solution Exploring Operation: 13*42=546, Resulting Numbers: [546] 546,98 unequal: No Solution Exploring Operation: 13+42=55, Resulting Numbers: [55] 55,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 98:[34, 13, 12], Operations: ['44-32=12'] Exploring Operation: 34+12=46, Resulting Numbers: [13, 46] Generated Node #0,1,0: 98:[13, 46] Operation: 34+12=46 Exploring Operation: 34-13=21, Resulting Numbers: [12, 21] Generated Node #0,1,1: 98:[12, 21] Operation: 34-13=21 Exploring Operation: 34-12=22, Resulting Numbers: [13, 22] Generated Node #0,1,2: 98:[13, 22] Operation: 34-12=22 Exploring Operation: 34+13=47, Resulting Numbers: [12, 47] Generated Node #0,1,3: 98:[12, 47] Operation: 34+13=47 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 98:[13, 46], Operations: ['44-32=12', '34+12=46'] Exploring Operation: 13+46=59, Resulting Numbers: [59] 59,98 unequal: No Solution Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,98 unequal: No Solution Exploring Operation: 13*46=598, Resulting Numbers: [598] 598,98 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 #0,1,3 Current State: 98:[12, 47], Operations: ['44-32=12', '34+13=47'] Exploring Operation: 12+47=59, Resulting Numbers: [59] 59,98 unequal: No Solution Exploring Operation: 47-12=35, Resulting Numbers: [35] 35,98 unequal: No Solution Exploring Operation: 12*47=564, Resulting Numbers: [564] 564,98 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 #0,1,1 Current State: 98:[12, 21], Operations: ['44-32=12', '34-13=21'] Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,98 unequal: No Solution Exploring Operation: 12*21=252, Resulting Numbers: [252] 252,98 unequal: No Solution Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,98 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 #0,1,2 Current State: 98:[13, 22], Operations: ['44-32=12', '34-12=22'] Exploring Operation: 13+22=35, Resulting Numbers: [35] 35,98 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,98 unequal: No Solution Exploring Operation: 13*22=286, Resulting Numbers: [286] 286,98 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: 98:[13, 32, 10], Operations: ['44-34=10'] Exploring Operation: 32-13=19, Resulting Numbers: [10, 19] Generated Node #0,2,0: 98:[10, 19] Operation: 32-13=19 Exploring Operation: 13+32=45, Resulting Numbers: [10, 45] Generated Node #0,2,1: 98:[10, 45] Operation: 13+32=45 Exploring Operation: 32-10=22, Resulting Numbers: [13, 22] Generated Node #0,2,2: 98:[13, 22] Operation: 32-10=22 Exploring Operation: 32+10=42, Resulting Numbers: [13, 42] Generated Node #0,2,3: 98:[13, 42] Operation: 32+10=42 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 98:[10, 45], Operations: ['44-34=10', '13+32=45'] Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,98 unequal: No Solution Exploring Operation: 10*45=450, Resulting Numbers: [450] 450,98 unequal: No Solution Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 98:[10, 19], Operations: ['44-34=10', '32-13=19'] Exploring Operation: 10*19=190, Resulting Numbers: [190] 190,98 unequal: No Solution Exploring Operation: 10+19=29, Resulting Numbers: [29] 29,98 unequal: No Solution Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 98:[13, 42], Operations: ['44-34=10', '32+10=42'] Exploring Operation: 13+42=55, Resulting Numbers: [55] 55,98 unequal: No Solution Exploring Operation: 13*42=546, Resulting Numbers: [546] 546,98 unequal: No Solution Exploring Operation: 42-13=29, Resulting Numbers: [29] 29,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 98:[13, 22], Operations: ['44-34=10', '32-10=22'] Exploring Operation: 13*22=286, Resulting Numbers: [286] 286,98 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,98 unequal: No Solution Exploring Operation: 13+22=35, Resulting Numbers: [35] 35,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 98:[44, 13, 66], Operations: ['34+32=66'] Exploring Operation: 66-13=53, Resulting Numbers: [44, 53] Generated Node #0,0,0: 98:[44, 53] Operation: 66-13=53 Exploring Operation: 44+66=110, Resulting Numbers: [13, 110] Generated Node #0,0,1: 98:[13, 110] Operation: 44+66=110 Exploring Operation: 66-44=22, Resulting Numbers: [13, 22] Generated Node #0,0,2: 98:[13, 22] Operation: 66-44=22 Exploring Operation: 13+66=79, Resulting Numbers: [44, 79] Generated Node #0,0,3: 98:[44, 79] Operation: 13+66=79 Moving to Node #0,0,0 Current State: 98:[44, 53], Operations: ['34+32=66', '66-13=53'] Exploring Operation: 44+53=97, Resulting Numbers: [97] 97,98 unequal: No Solution Exploring Operation: 53-44=9, Resulting Numbers: [9] 9,98 unequal: No Solution Exploring Operation: 44*53=2332, Resulting Numbers: [2332] 2332,98 unequal: No Solution Moving to Node #0,0,2 Current State: 98:[13, 22], Operations: ['34+32=66', '66-44=22'] Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,98 unequal: No Solution Exploring Operation: 13*22=286, Resulting Numbers: [286] 286,98 unequal: No Solution Exploring Operation: 13+22=35, Resulting Numbers: [35] 35,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[13, 110], Operations: ['34+32=66', '44+66=110'] Exploring Operation: 13+110=123, Resulting Numbers: [123] 123,98 unequal: No Solution Exploring Operation: 13*110=1430, Resulting Numbers: [1430] 1430,98 unequal: No Solution Exploring Operation: 110-13=97, Resulting Numbers: [97] 97,98 unequal: No Solution Moving to Node #0,0,3 Current State: 98:[44, 79], Operations: ['34+32=66', '13+66=79'] Exploring Operation: 44*79=3476, Resulting Numbers: [3476] 3476,98 unequal: No Solution Exploring Operation: 79-44=35, Resulting Numbers: [35] 35,98 unequal: No Solution Exploring Operation: 44+79=123, Resulting Numbers: [123] 123,98 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 53, 59, 56, 23 ]
79
[ "53+59=112", "56-23=33", "112-33=79" ]
Current State: 79:[53, 59, 56, 23], Operations: [] Exploring Operation: 53+59=112, Resulting Numbers: [56, 23, 112] Generated Node #2: [56, 23, 112] from Operation: 53+59=112 Current State: 79:[56, 23, 112], Operations: ['53+59=112'] Exploring Operation: 56-23=33, Resulting Numbers: [112, 33] Generated Node #3: [112, 33] from Operation: 56-23=33 Current State: 79:[112, 33], Operations: ['53+59=112', '56-23=33'] Exploring Operation: 112-33=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[53, 59, 56, 23], Operations: [] Exploring Operation: 56+23=79, Resulting Numbers: [53, 59, 79] Generated Node #0,0: 79:[53, 59, 79] Operation: 56+23=79 Exploring Operation: 59+23=82, Resulting Numbers: [53, 56, 82] Generated Node #0,1: 79:[53, 56, 82] Operation: 59+23=82 Exploring Operation: 53+23=76, Resulting Numbers: [59, 56, 76] Generated Node #0,2: 79:[59, 56, 76] Operation: 53+23=76 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[53, 59, 79], Operations: ['56+23=79'] Exploring Operation: 53+79=132, Resulting Numbers: [59, 132] Generated Node #0,0,0: 79:[59, 132] Operation: 53+79=132 Exploring Operation: 59-53=6, Resulting Numbers: [79, 6] Generated Node #0,0,1: 79:[79, 6] Operation: 59-53=6 Exploring Operation: 53+59=112, Resulting Numbers: [79, 112] Generated Node #0,0,2: 79:[79, 112] Operation: 53+59=112 Moving to Node #0,0,2 Current State: 79:[79, 112], Operations: ['56+23=79', '53+59=112'] Exploring Operation: 79+112=191, Resulting Numbers: [191] 191,79 unequal: No Solution Exploring Operation: 79*112=8848, Resulting Numbers: [8848] 8848,79 unequal: No Solution Exploring Operation: 112-79=33, Resulting Numbers: [33] 33,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[59, 132], Operations: ['56+23=79', '53+79=132'] Exploring Operation: 59*132=7788, Resulting Numbers: [7788] 7788,79 unequal: No Solution Exploring Operation: 59+132=191, Resulting Numbers: [191] 191,79 unequal: No Solution Exploring Operation: 132-59=73, Resulting Numbers: [73] 73,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[79, 6], Operations: ['56+23=79', '59-53=6'] Exploring Operation: 79*6=474, Resulting Numbers: [474] 474,79 unequal: No Solution Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,79 unequal: No Solution Exploring Operation: 79+6=85, Resulting Numbers: [85] 85,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[59, 56, 76], Operations: ['53+23=76'] Exploring Operation: 59+56=115, Resulting Numbers: [76, 115] Generated Node #0,2,0: 79:[76, 115] Operation: 59+56=115 Exploring Operation: 59-56=3, Resulting Numbers: [76, 3] Generated Node #0,2,1: 79:[76, 3] Operation: 59-56=3 Exploring Operation: 56+76=132, Resulting Numbers: [59, 132] Generated Node #0,2,2: 79:[59, 132] Operation: 56+76=132 Moving to Node #0,2,0 Current State: 79:[76, 115], Operations: ['53+23=76', '59+56=115'] Exploring Operation: 76+115=191, Resulting Numbers: [191] 191,79 unequal: No Solution Exploring Operation: 115-76=39, Resulting Numbers: [39] 39,79 unequal: No Solution Exploring Operation: 76*115=8740, Resulting Numbers: [8740] 8740,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[59, 132], Operations: ['53+23=76', '56+76=132'] Exploring Operation: 59+132=191, Resulting Numbers: [191] 191,79 unequal: No Solution Exploring Operation: 59*132=7788, Resulting Numbers: [7788] 7788,79 unequal: No Solution Exploring Operation: 132-59=73, Resulting Numbers: [73] 73,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[76, 3], Operations: ['53+23=76', '59-56=3'] Exploring Operation: 76-3=73, Resulting Numbers: [73] 73,79 unequal: No Solution Exploring Operation: 76+3=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[53, 59, 56, 23], Operations: [] Exploring Operation: 53+23=76, Resulting Numbers: [59, 56, 76] Generated Node #0,2: 79:[59, 56, 76] Operation: 53+23=76 Moving to Node #0,2 Current State: 79:[59, 56, 76], Operations: ['53+23=76'] Exploring Operation: 59-56=3, Resulting Numbers: [76, 3] Generated Node #0,2,1: 79:[76, 3] Operation: 59-56=3 Moving to Node #0,2,1 Current State: 79:[76, 3], Operations: ['53+23=76', '59-56=3'] Exploring Operation: 76+3=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_3
mult_heuristic
[ 85, 4, 11, 67 ]
37
[ "85*4=340", "67+340=407", "407/11=37" ]
Current State: 37:[85, 4, 11, 67], Operations: [] Exploring Operation: 85*4=340, Resulting Numbers: [11, 67, 340] Generated Node #2: [11, 67, 340] from Operation: 85*4=340 Current State: 37:[11, 67, 340], Operations: ['85*4=340'] Exploring Operation: 67+340=407, Resulting Numbers: [11, 407] Generated Node #3: [11, 407] from Operation: 67+340=407 Current State: 37:[11, 407], Operations: ['85*4=340', '67+340=407'] Exploring Operation: 407/11=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[85, 4, 11, 67], Operations: [] Exploring Operation: 4*11=44, Resulting Numbers: [85, 67, 44] Generated Node #0,0: 37:[85, 67, 44] Operation: 4*11=44 Exploring Operation: 85-4=81, Resulting Numbers: [11, 67, 81] Generated Node #0,1: 37:[11, 67, 81] Operation: 85-4=81 Exploring Operation: 85-67=18, Resulting Numbers: [4, 11, 18] Generated Node #0,2: 37:[4, 11, 18] Operation: 85-67=18 Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[4, 11, 18], Operations: ['85-67=18'] Exploring Operation: 4+18=22, Resulting Numbers: [11, 22] Generated Node #0,2,0: 37:[11, 22] Operation: 4+18=22 Exploring Operation: 4+11=15, Resulting Numbers: [18, 15] Generated Node #0,2,1: 37:[18, 15] Operation: 4+11=15 Exploring Operation: 4*11=44, Resulting Numbers: [18, 44] Generated Node #0,2,2: 37:[18, 44] Operation: 4*11=44 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 37:[18, 44], Operations: ['85-67=18', '4*11=44'] Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,37 unequal: No Solution Exploring Operation: 18+44=62, Resulting Numbers: [62] 62,37 unequal: No Solution Exploring Operation: 18*44=792, Resulting Numbers: [792] 792,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 37:[11, 22], Operations: ['85-67=18', '4+18=22'] Exploring Operation: 11+22=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,37 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 37:[18, 15], Operations: ['85-67=18', '4+11=15'] Exploring Operation: 18*15=270, Resulting Numbers: [270] 270,37 unequal: No Solution Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,37 unequal: No Solution Exploring Operation: 18+15=33, Resulting Numbers: [33] 33,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[85, 67, 44], Operations: ['4*11=44'] Exploring Operation: 85-67=18, Resulting Numbers: [44, 18] Generated Node #0,0,0: 37:[44, 18] Operation: 85-67=18 Exploring Operation: 85-44=41, Resulting Numbers: [67, 41] Generated Node #0,0,1: 37:[67, 41] Operation: 85-44=41 Exploring Operation: 67-44=23, Resulting Numbers: [85, 23] Generated Node #0,0,2: 37:[85, 23] Operation: 67-44=23 Moving to Node #0,0,0 Current State: 37:[44, 18], Operations: ['4*11=44', '85-67=18'] Exploring Operation: 44*18=792, Resulting Numbers: [792] 792,37 unequal: No Solution Exploring Operation: 44+18=62, Resulting Numbers: [62] 62,37 unequal: No Solution Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[67, 41], Operations: ['4*11=44', '85-44=41'] Exploring Operation: 67+41=108, Resulting Numbers: [108] 108,37 unequal: No Solution Exploring Operation: 67*41=2747, Resulting Numbers: [2747] 2747,37 unequal: No Solution Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[85, 23], Operations: ['4*11=44', '67-44=23'] Exploring Operation: 85+23=108, Resulting Numbers: [108] 108,37 unequal: No Solution Exploring Operation: 85-23=62, Resulting Numbers: [62] 62,37 unequal: No Solution Exploring Operation: 85*23=1955, Resulting Numbers: [1955] 1955,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[11, 67, 81], Operations: ['85-4=81'] Exploring Operation: 81-67=14, Resulting Numbers: [11, 14] Generated Node #0,1,0: 37:[11, 14] Operation: 81-67=14 Exploring Operation: 67-11=56, Resulting Numbers: [81, 56] Generated Node #0,1,1: 37:[81, 56] Operation: 67-11=56 Exploring Operation: 81-11=70, Resulting Numbers: [67, 70] Generated Node #0,1,2: 37:[67, 70] Operation: 81-11=70 Moving to Node #0,1,0 Current State: 37:[11, 14], Operations: ['85-4=81', '81-67=14'] Exploring Operation: 11*14=154, Resulting Numbers: [154] 154,37 unequal: No Solution Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,37 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[81, 56], Operations: ['85-4=81', '67-11=56'] Exploring Operation: 81-56=25, Resulting Numbers: [25] 25,37 unequal: No Solution Exploring Operation: 81*56=4536, Resulting Numbers: [4536] 4536,37 unequal: No Solution Exploring Operation: 81+56=137, Resulting Numbers: [137] 137,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[67, 70], Operations: ['85-4=81', '81-11=70'] Exploring Operation: 70-67=3, Resulting Numbers: [3] 3,37 unequal: No Solution Exploring Operation: 67*70=4690, Resulting Numbers: [4690] 4690,37 unequal: No Solution Exploring Operation: 67+70=137, Resulting Numbers: [137] 137,37 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
[ 57, 55, 20, 7 ]
66
[ "57+20=77", "77/7=11", "55+11=66" ]
Current State: 66:[57, 55, 20, 7], Operations: [] Exploring Operation: 57+20=77, Resulting Numbers: [55, 7, 77] Generated Node #2: [55, 7, 77] from Operation: 57+20=77 Current State: 66:[55, 7, 77], Operations: ['57+20=77'] Exploring Operation: 77/7=11, Resulting Numbers: [55, 11] Generated Node #3: [55, 11] from Operation: 77/7=11 Current State: 66:[55, 11], Operations: ['57+20=77', '77/7=11'] Exploring Operation: 55+11=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[57, 55, 20, 7], Operations: [] Exploring Operation: 55-20=35, Resulting Numbers: [57, 7, 35] Generated Node #0,0: 66:[57, 7, 35] Operation: 55-20=35 Exploring Operation: 57-55=2, Resulting Numbers: [20, 7, 2] Generated Node #0,1: 66:[20, 7, 2] Operation: 57-55=2 Moving to Node #0,1 Current State: 66:[20, 7, 2], Operations: ['57-55=2'] Exploring Operation: 20+2=22, Resulting Numbers: [7, 22] Generated Node #0,1,0: 66:[7, 22] Operation: 20+2=22 Exploring Operation: 20-7=13, Resulting Numbers: [2, 13] Generated Node #0,1,1: 66:[2, 13] Operation: 20-7=13 Moving to Node #0,0 Current State: 66:[57, 7, 35], Operations: ['55-20=35'] Exploring Operation: 57-35=22, Resulting Numbers: [7, 22] Generated Node #0,0,0: 66:[7, 22] Operation: 57-35=22 Exploring Operation: 57+7=64, Resulting Numbers: [35, 64] Generated Node #0,0,1: 66:[35, 64] Operation: 57+7=64 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[7, 22], Operations: ['55-20=35', '57-35=22'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,66 unequal: No Solution Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 66:[35, 64], Operations: ['55-20=35', '57+7=64'] Exploring Operation: 35+64=99, Resulting Numbers: [99] 99,66 unequal: No Solution Exploring Operation: 64-35=29, Resulting Numbers: [29] 29,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 66:[7, 22], Operations: ['57-55=2', '20+2=22'] Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,66 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,66 unequal: No Solution Moving to Node #0,1,1 Current State: 66:[2, 13], Operations: ['57-55=2', '20-7=13'] Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,66 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,66 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 75, 94, 79, 59 ]
39
[ "94-75=19", "79-59=20", "19+20=39" ]
Current State: 39:[75, 94, 79, 59], Operations: [] Exploring Operation: 94-75=19, Resulting Numbers: [79, 59, 19] Generated Node #2: [79, 59, 19] from Operation: 94-75=19 Current State: 39:[79, 59, 19], Operations: ['94-75=19'] Exploring Operation: 79-59=20, Resulting Numbers: [19, 20] Generated Node #3: [19, 20] from Operation: 79-59=20 Current State: 39:[19, 20], Operations: ['94-75=19', '79-59=20'] Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[75, 94, 79, 59], Operations: [] Exploring Operation: 79-75=4, Resulting Numbers: [94, 59, 4] Generated Node #0,0: 39:[94, 59, 4] Operation: 79-75=4 Exploring Operation: 94-79=15, Resulting Numbers: [75, 59, 15] Generated Node #0,1: 39:[75, 59, 15] Operation: 94-79=15 Exploring Operation: 94-75=19, Resulting Numbers: [79, 59, 19] Generated Node #0,2: 39:[79, 59, 19] Operation: 94-75=19 Moving to Node #0,1 Current State: 39:[75, 59, 15], Operations: ['94-79=15'] Exploring Operation: 75-15=60, Resulting Numbers: [59, 60] Generated Node #0,1,0: 39:[59, 60] Operation: 75-15=60 Exploring Operation: 75-59=16, Resulting Numbers: [15, 16] Generated Node #0,1,1: 39:[15, 16] Operation: 75-59=16 Exploring Operation: 75/15=5, Resulting Numbers: [59, 5] Generated Node #0,1,2: 39:[59, 5] Operation: 75/15=5 Moving to Node #0,2 Current State: 39:[79, 59, 19], Operations: ['94-75=19'] Exploring Operation: 79-59=20, Resulting Numbers: [19, 20] Generated Node #0,2,0: 39:[19, 20] Operation: 79-59=20 Exploring Operation: 59-19=40, Resulting Numbers: [79, 40] Generated Node #0,2,1: 39:[79, 40] Operation: 59-19=40 Exploring Operation: 79-19=60, Resulting Numbers: [59, 60] Generated Node #0,2,2: 39:[59, 60] Operation: 79-19=60 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 39:[19, 20], Operations: ['94-75=19', '79-59=20'] Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[75, 94, 79, 59], Operations: [] Exploring Operation: 94-75=19, Resulting Numbers: [79, 59, 19] Generated Node #0,2: 39:[79, 59, 19] Operation: 94-75=19 Moving to Node #0,2 Current State: 39:[79, 59, 19], Operations: ['94-75=19'] Exploring Operation: 79-59=20, Resulting Numbers: [19, 20] Generated Node #0,2,0: 39:[19, 20] Operation: 79-59=20 Moving to Node #0,2,0 Current State: 39:[19, 20], Operations: ['94-75=19', '79-59=20'] Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 47, 25, 17, 6 ]
63
[ "25*17=425", "425-47=378", "378/6=63" ]
Current State: 63:[47, 25, 17, 6], Operations: [] Exploring Operation: 25*17=425, Resulting Numbers: [47, 6, 425] Generated Node #2: [47, 6, 425] from Operation: 25*17=425 Current State: 63:[47, 6, 425], Operations: ['25*17=425'] Exploring Operation: 425-47=378, Resulting Numbers: [6, 378] Generated Node #3: [6, 378] from Operation: 425-47=378 Current State: 63:[6, 378], Operations: ['25*17=425', '425-47=378'] Exploring Operation: 378/6=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[47, 25, 17, 6], Operations: [] Exploring Operation: 47+17=64, Resulting Numbers: [25, 6, 64] Generated Node #0,0: 63:[25, 6, 64] Operation: 47+17=64 Exploring Operation: 47-17=30, Resulting Numbers: [25, 6, 30] Generated Node #0,1: 63:[25, 6, 30] Operation: 47-17=30 Exploring Operation: 47+25=72, Resulting Numbers: [17, 6, 72] Generated Node #0,2: 63:[17, 6, 72] Operation: 47+25=72 Exploring Operation: 47-25=22, Resulting Numbers: [17, 6, 22] Generated Node #0,3: 63:[17, 6, 22] Operation: 47-25=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[25, 6, 64], Operations: ['47+17=64'] Exploring Operation: 25+6=31, Resulting Numbers: [64, 31] Generated Node #0,0,0: 63:[64, 31] Operation: 25+6=31 Exploring Operation: 64-6=58, Resulting Numbers: [25, 58] Generated Node #0,0,1: 63:[25, 58] Operation: 64-6=58 Exploring Operation: 25-6=19, Resulting Numbers: [64, 19] Generated Node #0,0,2: 63:[64, 19] Operation: 25-6=19 Exploring Operation: 6+64=70, Resulting Numbers: [25, 70] Generated Node #0,0,3: 63:[25, 70] Operation: 6+64=70 Moving to Node #0,0,2 Current State: 63:[64, 19], Operations: ['47+17=64', '25-6=19'] Exploring Operation: 64*19=1216, Resulting Numbers: [1216] 1216,63 unequal: No Solution Exploring Operation: 64-19=45, Resulting Numbers: [45] 45,63 unequal: No Solution Exploring Operation: 64+19=83, Resulting Numbers: [83] 83,63 unequal: No Solution Moving to Node #0,0,1 Current State: 63:[25, 58], Operations: ['47+17=64', '64-6=58'] Exploring Operation: 25+58=83, Resulting Numbers: [83] 83,63 unequal: No Solution Exploring Operation: 25*58=1450, Resulting Numbers: [1450] 1450,63 unequal: No Solution Exploring Operation: 58-25=33, Resulting Numbers: [33] 33,63 unequal: No Solution Moving to Node #0,0,3 Current State: 63:[25, 70], Operations: ['47+17=64', '6+64=70'] Exploring Operation: 25*70=1750, Resulting Numbers: [1750] 1750,63 unequal: No Solution Exploring Operation: 25+70=95, Resulting Numbers: [95] 95,63 unequal: No Solution Exploring Operation: 70-25=45, Resulting Numbers: [45] 45,63 unequal: No Solution Moving to Node #0,0,0 Current State: 63:[64, 31], Operations: ['47+17=64', '25+6=31'] Exploring Operation: 64*31=1984, Resulting Numbers: [1984] 1984,63 unequal: No Solution Exploring Operation: 64+31=95, Resulting Numbers: [95] 95,63 unequal: No Solution Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 63:[17, 6, 22], Operations: ['47-25=22'] Exploring Operation: 17+6=23, Resulting Numbers: [22, 23] Generated Node #0,3,0: 63:[22, 23] Operation: 17+6=23 Exploring Operation: 17-6=11, Resulting Numbers: [22, 11] Generated Node #0,3,1: 63:[22, 11] Operation: 17-6=11 Exploring Operation: 22-17=5, Resulting Numbers: [6, 5] Generated Node #0,3,2: 63:[6, 5] Operation: 22-17=5 Exploring Operation: 22-6=16, Resulting Numbers: [17, 16] Generated Node #0,3,3: 63:[17, 16] Operation: 22-6=16 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 63:[22, 23], Operations: ['47-25=22', '17+6=23'] Exploring Operation: 22+23=45, Resulting Numbers: [45] 45,63 unequal: No Solution Exploring Operation: 22*23=506, Resulting Numbers: [506] 506,63 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 63:[22, 11], Operations: ['47-25=22', '17-6=11'] Exploring Operation: 22*11=242, Resulting Numbers: [242] 242,63 unequal: No Solution Exploring Operation: 22+11=33, Resulting Numbers: [33] 33,63 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,63 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 63:[6, 5], Operations: ['47-25=22', '22-17=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,63 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 63:[17, 16], Operations: ['47-25=22', '22-6=16'] Exploring Operation: 17-16=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 17*16=272, Resulting Numbers: [272] 272,63 unequal: No Solution Exploring Operation: 17+16=33, Resulting Numbers: [33] 33,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[25, 6, 30], Operations: ['47-17=30'] Exploring Operation: 30/6=5, Resulting Numbers: [25, 5] Generated Node #0,1,0: 63:[25, 5] Operation: 30/6=5 Exploring Operation: 30-25=5, Resulting Numbers: [6, 5] Generated Node #0,1,1: 63:[6, 5] Operation: 30-25=5 Exploring Operation: 25+30=55, Resulting Numbers: [6, 55] Generated Node #0,1,2: 63:[6, 55] Operation: 25+30=55 Exploring Operation: 30-6=24, Resulting Numbers: [25, 24] Generated Node #0,1,3: 63:[25, 24] Operation: 30-6=24 Moving to Node #0,1,1 Current State: 63:[6, 5], Operations: ['47-17=30', '30-25=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,63 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,63 unequal: No Solution Moving to Node #0,1,0 Current State: 63:[25, 5], Operations: ['47-17=30', '30/6=5'] Exploring Operation: 25*5=125, Resulting Numbers: [125] 125,63 unequal: No Solution Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,63 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,63 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,63 unequal: No Solution Moving to Node #0,1,3 Current State: 63:[25, 24], Operations: ['47-17=30', '30-6=24'] Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,63 unequal: No Solution Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,63 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,63 unequal: No Solution Moving to Node #0,1,2 Current State: 63:[6, 55], Operations: ['47-17=30', '25+30=55'] Exploring Operation: 6*55=330, Resulting Numbers: [330] 330,63 unequal: No Solution Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,63 unequal: No Solution Exploring Operation: 6+55=61, Resulting Numbers: [61] 61,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 63:[17, 6, 72], Operations: ['47+25=72'] Exploring Operation: 72-17=55, Resulting Numbers: [6, 55] Generated Node #0,2,0: 63:[6, 55] Operation: 72-17=55 Exploring Operation: 17+6=23, Resulting Numbers: [72, 23] Generated Node #0,2,1: 63:[72, 23] Operation: 17+6=23 Exploring Operation: 72-6=66, Resulting Numbers: [17, 66] Generated Node #0,2,2: 63:[17, 66] Operation: 72-6=66 Exploring Operation: 72/6=12, Resulting Numbers: [17, 12] Generated Node #0,2,3: 63:[17, 12] Operation: 72/6=12 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 63:[17, 66], Operations: ['47+25=72', '72-6=66'] Exploring Operation: 17+66=83, Resulting Numbers: [83] 83,63 unequal: No Solution Exploring Operation: 17*66=1122, Resulting Numbers: [1122] 1122,63 unequal: No Solution Exploring Operation: 66-17=49, Resulting Numbers: [49] 49,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 63:[17, 12], Operations: ['47+25=72', '72/6=12'] Exploring Operation: 17*12=204, Resulting Numbers: [204] 204,63 unequal: No Solution Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,63 unequal: No Solution Exploring Operation: 17+12=29, Resulting Numbers: [29] 29,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 63:[6, 55], Operations: ['47+25=72', '72-17=55'] Exploring Operation: 6*55=330, Resulting Numbers: [330] 330,63 unequal: No Solution Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,63 unequal: No Solution Exploring Operation: 6+55=61, Resulting Numbers: [61] 61,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 63:[72, 23], Operations: ['47+25=72', '17+6=23'] Exploring Operation: 72*23=1656, Resulting Numbers: [1656] 1656,63 unequal: No Solution Exploring Operation: 72+23=95, Resulting Numbers: [95] 95,63 unequal: No Solution Exploring Operation: 72-23=49, Resulting Numbers: [49] 49,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 11, 23, 77, 3 ]
19
[ "11+77=88", "23*3=69", "88-69=19" ]
Current State: 19:[11, 23, 77, 3], Operations: [] Exploring Operation: 11+77=88, Resulting Numbers: [23, 3, 88] Generated Node #2: [23, 3, 88] from Operation: 11+77=88 Current State: 19:[23, 3, 88], Operations: ['11+77=88'] Exploring Operation: 23*3=69, Resulting Numbers: [88, 69] Generated Node #3: [88, 69] from Operation: 23*3=69 Current State: 19:[88, 69], Operations: ['11+77=88', '23*3=69'] Exploring Operation: 88-69=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[11, 23, 77, 3], Operations: [] Exploring Operation: 77-11=66, Resulting Numbers: [23, 3, 66] Generated Node #0,0: 19:[23, 3, 66] Operation: 77-11=66 Exploring Operation: 77-23=54, Resulting Numbers: [11, 3, 54] Generated Node #0,1: 19:[11, 3, 54] Operation: 77-23=54 Exploring Operation: 77/11=7, Resulting Numbers: [23, 3, 7] Generated Node #0,2: 19:[23, 3, 7] Operation: 77/11=7 Moving to Node #0,2 Current State: 19:[23, 3, 7], Operations: ['77/11=7'] Exploring Operation: 3+7=10, Resulting Numbers: [23, 10] Generated Node #0,2,0: 19:[23, 10] Operation: 3+7=10 Exploring Operation: 3*7=21, Resulting Numbers: [23, 21] Generated Node #0,2,1: 19:[23, 21] Operation: 3*7=21 Exploring Operation: 23-3=20, Resulting Numbers: [7, 20] Generated Node #0,2,2: 19:[7, 20] Operation: 23-3=20 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 19:[23, 21], Operations: ['77/11=7', '3*7=21'] Exploring Operation: 23*21=483, Resulting Numbers: [483] 483,19 unequal: No Solution Exploring Operation: 23+21=44, Resulting Numbers: [44] 44,19 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 19:[23, 10], Operations: ['77/11=7', '3+7=10'] Exploring Operation: 23+10=33, Resulting Numbers: [33] 33,19 unequal: No Solution Exploring Operation: 23*10=230, Resulting Numbers: [230] 230,19 unequal: No Solution Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 19:[7, 20], Operations: ['77/11=7', '23-3=20'] Exploring Operation: 7*20=140, Resulting Numbers: [140] 140,19 unequal: No Solution Exploring Operation: 7+20=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,19 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: 19:[11, 3, 54], Operations: ['77-23=54'] Exploring Operation: 54/3=18, Resulting Numbers: [11, 18] Generated Node #0,1,0: 19:[11, 18] Operation: 54/3=18 Exploring Operation: 54-11=43, Resulting Numbers: [3, 43] Generated Node #0,1,1: 19:[3, 43] Operation: 54-11=43 Exploring Operation: 11+3=14, Resulting Numbers: [54, 14] Generated Node #0,1,2: 19:[54, 14] Operation: 11+3=14 Moving to Node #0,0 Current State: 19:[23, 3, 66], Operations: ['77-11=66'] Exploring Operation: 66-23=43, Resulting Numbers: [3, 43] Generated Node #0,0,0: 19:[3, 43] Operation: 66-23=43 Exploring Operation: 23-3=20, Resulting Numbers: [66, 20] Generated Node #0,0,1: 19:[66, 20] Operation: 23-3=20 Exploring Operation: 66/3=22, Resulting Numbers: [23, 22] Generated Node #0,0,2: 19:[23, 22] Operation: 66/3=22 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[23, 22], Operations: ['77-11=66', '66/3=22'] Exploring Operation: 23*22=506, Resulting Numbers: [506] 506,19 unequal: No Solution Exploring Operation: 23+22=45, Resulting Numbers: [45] 45,19 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[3, 43], Operations: ['77-11=66', '66-23=43'] Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 3*43=129, Resulting Numbers: [129] 129,19 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[66, 20], Operations: ['77-11=66', '23-3=20'] Exploring Operation: 66*20=1320, Resulting Numbers: [1320] 1320,19 unequal: No Solution Exploring Operation: 66+20=86, Resulting Numbers: [86] 86,19 unequal: No Solution Exploring Operation: 66-20=46, Resulting Numbers: [46] 46,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 19:[11, 18], Operations: ['77-23=54', '54/3=18'] Exploring Operation: 11*18=198, Resulting Numbers: [198] 198,19 unequal: No Solution Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,19 unequal: No Solution Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[3, 43], Operations: ['77-23=54', '54-11=43'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 3*43=129, Resulting Numbers: [129] 129,19 unequal: No Solution Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[54, 14], Operations: ['77-23=54', '11+3=14'] Exploring Operation: 54+14=68, Resulting Numbers: [68] 68,19 unequal: No Solution Exploring Operation: 54-14=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 54*14=756, Resulting Numbers: [756] 756,19 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 85, 63, 43, 14 ]
66
[ "85-43=42", "42/14=3", "63+3=66" ]
Current State: 66:[85, 63, 43, 14], Operations: [] Exploring Operation: 85-43=42, Resulting Numbers: [63, 14, 42] Generated Node #2: [63, 14, 42] from Operation: 85-43=42 Current State: 66:[63, 14, 42], Operations: ['85-43=42'] Exploring Operation: 42/14=3, Resulting Numbers: [63, 3] Generated Node #3: [63, 3] from Operation: 42/14=3 Current State: 66:[63, 3], Operations: ['85-43=42', '42/14=3'] Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[85, 63, 43, 14], Operations: [] Exploring Operation: 85-43=42, Resulting Numbers: [63, 14, 42] Generated Node #0,0: 66:[63, 14, 42] Operation: 85-43=42 Exploring Operation: 85-14=71, Resulting Numbers: [63, 43, 71] Generated Node #0,1: 66:[63, 43, 71] Operation: 85-14=71 Exploring Operation: 85-63=22, Resulting Numbers: [43, 14, 22] Generated Node #0,2: 66:[43, 14, 22] Operation: 85-63=22 Start Sub Search at level 1: Moving to Node #0,2 Current State: 66:[43, 14, 22], Operations: ['85-63=22'] Exploring Operation: 43+22=65, Resulting Numbers: [14, 65] Generated Node #0,2,0: 66:[14, 65] Operation: 43+22=65 Exploring Operation: 43-22=21, Resulting Numbers: [14, 21] Generated Node #0,2,1: 66:[14, 21] Operation: 43-22=21 Exploring Operation: 43-14=29, Resulting Numbers: [22, 29] Generated Node #0,2,2: 66:[22, 29] Operation: 43-14=29 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 66:[14, 65], Operations: ['85-63=22', '43+22=65'] Exploring Operation: 14*65=910, Resulting Numbers: [910] 910,66 unequal: No Solution Exploring Operation: 14+65=79, Resulting Numbers: [79] 79,66 unequal: No Solution Exploring Operation: 65-14=51, Resulting Numbers: [51] 51,66 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:[14, 21], Operations: ['85-63=22', '43-22=21'] Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,66 unequal: No Solution Exploring Operation: 14+21=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 14*21=294, Resulting Numbers: [294] 294,66 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 #0,2,2 Current State: 66:[22, 29], Operations: ['85-63=22', '43-14=29'] Exploring Operation: 22*29=638, Resulting Numbers: [638] 638,66 unequal: No Solution Exploring Operation: 29-22=7, Resulting Numbers: [7] 7,66 unequal: No Solution Exploring Operation: 22+29=51, Resulting Numbers: [51] 51,66 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 #0,0 Current State: 66:[63, 14, 42], Operations: ['85-43=42'] Exploring Operation: 42-14=28, Resulting Numbers: [63, 28] Generated Node #0,0,0: 66:[63, 28] Operation: 42-14=28 Exploring Operation: 63-42=21, Resulting Numbers: [14, 21] Generated Node #0,0,1: 66:[14, 21] Operation: 63-42=21 Exploring Operation: 42/14=3, Resulting Numbers: [63, 3] Generated Node #0,0,2: 66:[63, 3] Operation: 42/14=3 Moving to Node #0,0,2 Current State: 66:[63, 3], Operations: ['85-43=42', '42/14=3'] Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[85, 63, 43, 14], Operations: [] Exploring Operation: 85-43=42, Resulting Numbers: [63, 14, 42] Generated Node #0,0: 66:[63, 14, 42] Operation: 85-43=42 Moving to Node #0,0 Current State: 66:[63, 14, 42], Operations: ['85-43=42'] Exploring Operation: 42/14=3, Resulting Numbers: [63, 3] Generated Node #0,0,2: 66:[63, 3] Operation: 42/14=3 Moving to Node #0,0,2 Current State: 66:[63, 3], Operations: ['85-43=42', '42/14=3'] Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 36, 42, 53, 45 ]
55
[ "45-42=3", "36*3=108", "108-53=55" ]
Current State: 55:[36, 42, 53, 45], Operations: [] Exploring Operation: 45-42=3, Resulting Numbers: [36, 53, 3] Generated Node #2: [36, 53, 3] from Operation: 45-42=3 Current State: 55:[36, 53, 3], Operations: ['45-42=3'] Exploring Operation: 36*3=108, Resulting Numbers: [53, 108] Generated Node #3: [53, 108] from Operation: 36*3=108 Current State: 55:[53, 108], Operations: ['45-42=3', '36*3=108'] Exploring Operation: 108-53=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[36, 42, 53, 45], Operations: [] Exploring Operation: 45-42=3, Resulting Numbers: [36, 53, 3] Generated Node #0,0: 55:[36, 53, 3] Operation: 45-42=3 Exploring Operation: 53-36=17, Resulting Numbers: [42, 45, 17] Generated Node #0,1: 55:[42, 45, 17] Operation: 53-36=17 Exploring Operation: 42-36=6, Resulting Numbers: [53, 45, 6] Generated Node #0,2: 55:[53, 45, 6] Operation: 42-36=6 Exploring Operation: 53-42=11, Resulting Numbers: [36, 45, 11] Generated Node #0,3: 55:[36, 45, 11] Operation: 53-42=11 Exploring Operation: 45-36=9, Resulting Numbers: [42, 53, 9] Generated Node #0,4: 55:[42, 53, 9] Operation: 45-36=9 Start Sub Search at level 1: Moving to Node #0,2 Current State: 55:[53, 45, 6], Operations: ['42-36=6'] Exploring Operation: 53-45=8, Resulting Numbers: [6, 8] Generated Node #0,2,0: 55:[6, 8] Operation: 53-45=8 Exploring Operation: 53-6=47, Resulting Numbers: [45, 47] Generated Node #0,2,1: 55:[45, 47] Operation: 53-6=47 Exploring Operation: 53+6=59, Resulting Numbers: [45, 59] Generated Node #0,2,2: 55:[45, 59] Operation: 53+6=59 Exploring Operation: 45+6=51, Resulting Numbers: [53, 51] Generated Node #0,2,3: 55:[53, 51] Operation: 45+6=51 Exploring Operation: 45-6=39, Resulting Numbers: [53, 39] Generated Node #0,2,4: 55:[53, 39] Operation: 45-6=39 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 55:[6, 8], Operations: ['42-36=6', '53-45=8'] Exploring Operation: 6*8=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 6+8=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 55:[53, 51], Operations: ['42-36=6', '45+6=51'] Exploring Operation: 53+51=104, Resulting Numbers: [104] 104,55 unequal: No Solution Exploring Operation: 53*51=2703, Resulting Numbers: [2703] 2703,55 unequal: No Solution Exploring Operation: 53-51=2, Resulting Numbers: [2] 2,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 55:[45, 59], Operations: ['42-36=6', '53+6=59'] Exploring Operation: 45+59=104, Resulting Numbers: [104] 104,55 unequal: No Solution Exploring Operation: 45*59=2655, Resulting Numbers: [2655] 2655,55 unequal: No Solution Exploring Operation: 59-45=14, Resulting Numbers: [14] 14,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 55:[45, 47], Operations: ['42-36=6', '53-6=47'] Exploring Operation: 45+47=92, Resulting Numbers: [92] 92,55 unequal: No Solution Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 45*47=2115, Resulting Numbers: [2115] 2115,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 55:[53, 39], Operations: ['42-36=6', '45-6=39'] Exploring Operation: 53+39=92, Resulting Numbers: [92] 92,55 unequal: No Solution Exploring Operation: 53*39=2067, Resulting Numbers: [2067] 2067,55 unequal: No Solution Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 55:[42, 53, 9], Operations: ['45-36=9'] Exploring Operation: 53+9=62, Resulting Numbers: [42, 62] Generated Node #0,4,0: 55:[42, 62] Operation: 53+9=62 Exploring Operation: 53-9=44, Resulting Numbers: [42, 44] Generated Node #0,4,1: 55:[42, 44] Operation: 53-9=44 Exploring Operation: 42-9=33, Resulting Numbers: [53, 33] Generated Node #0,4,2: 55:[53, 33] Operation: 42-9=33 Exploring Operation: 53-42=11, Resulting Numbers: [9, 11] Generated Node #0,4,3: 55:[9, 11] Operation: 53-42=11 Exploring Operation: 42+9=51, Resulting Numbers: [53, 51] Generated Node #0,4,4: 55:[53, 51] Operation: 42+9=51 Moving to Node #0,4,3 Current State: 55:[9, 11], Operations: ['45-36=9', '53-42=11'] Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,55 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,55 unequal: No Solution Moving to Node #0,4,4 Current State: 55:[53, 51], Operations: ['45-36=9', '42+9=51'] Exploring Operation: 53-51=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 53*51=2703, Resulting Numbers: [2703] 2703,55 unequal: No Solution Exploring Operation: 53+51=104, Resulting Numbers: [104] 104,55 unequal: No Solution Moving to Node #0,4,0 Current State: 55:[42, 62], Operations: ['45-36=9', '53+9=62'] Exploring Operation: 62-42=20, Resulting Numbers: [20] 20,55 unequal: No Solution Exploring Operation: 42+62=104, Resulting Numbers: [104] 104,55 unequal: No Solution Exploring Operation: 42*62=2604, Resulting Numbers: [2604] 2604,55 unequal: No Solution Moving to Node #0,4,1 Current State: 55:[42, 44], Operations: ['45-36=9', '53-9=44'] Exploring Operation: 44-42=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 42+44=86, Resulting Numbers: [86] 86,55 unequal: No Solution Exploring Operation: 42*44=1848, Resulting Numbers: [1848] 1848,55 unequal: No Solution Moving to Node #0,4,2 Current State: 55:[53, 33], Operations: ['45-36=9', '42-9=33'] Exploring Operation: 53*33=1749, Resulting Numbers: [1749] 1749,55 unequal: No Solution Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,55 unequal: No Solution Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,55 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 #0,0 Current State: 55:[36, 53, 3], Operations: ['45-42=3'] Exploring Operation: 36/3=12, Resulting Numbers: [53, 12] Generated Node #0,0,0: 55:[53, 12] Operation: 36/3=12 Exploring Operation: 53+3=56, Resulting Numbers: [36, 56] Generated Node #0,0,1: 55:[36, 56] Operation: 53+3=56 Exploring Operation: 53-36=17, Resulting Numbers: [3, 17] Generated Node #0,0,2: 55:[3, 17] Operation: 53-36=17 Exploring Operation: 36-3=33, Resulting Numbers: [53, 33] Generated Node #0,0,3: 55:[53, 33] Operation: 36-3=33 Exploring Operation: 36+3=39, Resulting Numbers: [53, 39] Generated Node #0,0,4: 55:[53, 39] Operation: 36+3=39 Moving to Node #0,0,0 Current State: 55:[53, 12], Operations: ['45-42=3', '36/3=12'] Exploring Operation: 53+12=65, Resulting Numbers: [65] 65,55 unequal: No Solution Exploring Operation: 53*12=636, Resulting Numbers: [636] 636,55 unequal: No Solution Exploring Operation: 53-12=41, Resulting Numbers: [41] 41,55 unequal: No Solution Moving to Node #0,0,2 Current State: 55:[3, 17], Operations: ['45-42=3', '53-36=17'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,55 unequal: No Solution Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,55 unequal: No Solution Moving to Node #0,0,4 Current State: 55:[53, 39], Operations: ['45-42=3', '36+3=39'] Exploring Operation: 53*39=2067, Resulting Numbers: [2067] 2067,55 unequal: No Solution Exploring Operation: 53+39=92, Resulting Numbers: [92] 92,55 unequal: No Solution Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[36, 56], Operations: ['45-42=3', '53+3=56'] Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,55 unequal: No Solution Exploring Operation: 36*56=2016, Resulting Numbers: [2016] 2016,55 unequal: No Solution Exploring Operation: 36+56=92, Resulting Numbers: [92] 92,55 unequal: No Solution Moving to Node #0,0,3 Current State: 55:[53, 33], Operations: ['45-42=3', '36-3=33'] Exploring Operation: 53*33=1749, Resulting Numbers: [1749] 1749,55 unequal: No Solution Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,55 unequal: No Solution Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[42, 45, 17], Operations: ['53-36=17'] Exploring Operation: 45+17=62, Resulting Numbers: [42, 62] Generated Node #0,1,0: 55:[42, 62] Operation: 45+17=62 Exploring Operation: 42+17=59, Resulting Numbers: [45, 59] Generated Node #0,1,1: 55:[45, 59] Operation: 42+17=59 Exploring Operation: 42-17=25, Resulting Numbers: [45, 25] Generated Node #0,1,2: 55:[45, 25] Operation: 42-17=25 Exploring Operation: 45-17=28, Resulting Numbers: [42, 28] Generated Node #0,1,3: 55:[42, 28] Operation: 45-17=28 Exploring Operation: 45-42=3, Resulting Numbers: [17, 3] Generated Node #0,1,4: 55:[17, 3] Operation: 45-42=3 Moving to Node #0,1,4 Current State: 55:[17, 3], Operations: ['53-36=17', '45-42=3'] Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,55 unequal: No Solution Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,55 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[45, 59], Operations: ['53-36=17', '42+17=59'] Exploring Operation: 45+59=104, Resulting Numbers: [104] 104,55 unequal: No Solution Exploring Operation: 59-45=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 45*59=2655, Resulting Numbers: [2655] 2655,55 unequal: No Solution Moving to Node #0,1,0 Current State: 55:[42, 62], Operations: ['53-36=17', '45+17=62'] Exploring Operation: 42+62=104, Resulting Numbers: [104] 104,55 unequal: No Solution Exploring Operation: 62-42=20, Resulting Numbers: [20] 20,55 unequal: No Solution Exploring Operation: 42*62=2604, Resulting Numbers: [2604] 2604,55 unequal: No Solution Moving to Node #0,1,2 Current State: 55:[45, 25], Operations: ['53-36=17', '42-17=25'] Exploring Operation: 45*25=1125, Resulting Numbers: [1125] 1125,55 unequal: No Solution Exploring Operation: 45+25=70, Resulting Numbers: [70] 70,55 unequal: No Solution Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,55 unequal: No Solution Moving to Node #0,1,3 Current State: 55:[42, 28], Operations: ['53-36=17', '45-17=28'] Exploring Operation: 42+28=70, Resulting Numbers: [70] 70,55 unequal: No Solution Exploring Operation: 42*28=1176, Resulting Numbers: [1176] 1176,55 unequal: No Solution Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,55 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 #0,3 Current State: 55:[36, 45, 11], Operations: ['53-42=11'] Exploring Operation: 36+45=81, Resulting Numbers: [11, 81] Generated Node #0,3,0: 55:[11, 81] Operation: 36+45=81 Exploring Operation: 36+11=47, Resulting Numbers: [45, 47] Generated Node #0,3,1: 55:[45, 47] Operation: 36+11=47 Exploring Operation: 45-36=9, Resulting Numbers: [11, 9] Generated Node #0,3,2: 55:[11, 9] Operation: 45-36=9 Exploring Operation: 45+11=56, Resulting Numbers: [36, 56] Generated Node #0,3,3: 55:[36, 56] Operation: 45+11=56 Exploring Operation: 36-11=25, Resulting Numbers: [45, 25] Generated Node #0,3,4: 55:[45, 25] Operation: 36-11=25 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 55:[11, 9], Operations: ['53-42=11', '45-36=9'] Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 11*9=99, Resulting Numbers: [99] 99,55 unequal: No Solution Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 55:[45, 47], Operations: ['53-42=11', '36+11=47'] Exploring Operation: 45+47=92, Resulting Numbers: [92] 92,55 unequal: No Solution Exploring Operation: 45*47=2115, Resulting Numbers: [2115] 2115,55 unequal: No Solution Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 55:[36, 56], Operations: ['53-42=11', '45+11=56'] Exploring Operation: 36+56=92, Resulting Numbers: [92] 92,55 unequal: No Solution Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,55 unequal: No Solution Exploring Operation: 36*56=2016, Resulting Numbers: [2016] 2016,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 55:[45, 25], Operations: ['53-42=11', '36-11=25'] Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,55 unequal: No Solution Exploring Operation: 45*25=1125, Resulting Numbers: [1125] 1125,55 unequal: No Solution Exploring Operation: 45+25=70, Resulting Numbers: [70] 70,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 55:[11, 81], Operations: ['53-42=11', '36+45=81'] Exploring Operation: 11*81=891, Resulting Numbers: [891] 891,55 unequal: No Solution Exploring Operation: 11+81=92, Resulting Numbers: [92] 92,55 unequal: No Solution Exploring Operation: 81-11=70, Resulting Numbers: [70] 70,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 40, 81, 90, 19 ]
36
[ "40*90=3600", "81+19=100", "3600/100=36" ]
Current State: 36:[40, 81, 90, 19], Operations: [] Exploring Operation: 40*90=3600, Resulting Numbers: [81, 19, 3600] Generated Node #2: [81, 19, 3600] from Operation: 40*90=3600 Current State: 36:[81, 19, 3600], Operations: ['40*90=3600'] Exploring Operation: 81+19=100, Resulting Numbers: [3600, 100] Generated Node #3: [3600, 100] from Operation: 81+19=100 Current State: 36:[3600, 100], Operations: ['40*90=3600', '81+19=100'] Exploring Operation: 3600/100=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[40, 81, 90, 19], Operations: [] Exploring Operation: 81-40=41, Resulting Numbers: [90, 19, 41] Generated Node #0,0: 36:[90, 19, 41] Operation: 81-40=41 Exploring Operation: 90-40=50, Resulting Numbers: [81, 19, 50] Generated Node #0,1: 36:[81, 19, 50] Operation: 90-40=50 Exploring Operation: 90-81=9, Resulting Numbers: [40, 19, 9] Generated Node #0,2: 36:[40, 19, 9] Operation: 90-81=9 Moving to Node #0,2 Current State: 36:[40, 19, 9], Operations: ['90-81=9'] Exploring Operation: 19-9=10, Resulting Numbers: [40, 10] Generated Node #0,2,0: 36:[40, 10] Operation: 19-9=10 Exploring Operation: 40-9=31, Resulting Numbers: [19, 31] Generated Node #0,2,1: 36:[19, 31] Operation: 40-9=31 Exploring Operation: 40-19=21, Resulting Numbers: [9, 21] Generated Node #0,2,2: 36:[9, 21] Operation: 40-19=21 Moving to Node #0,0 Current State: 36:[90, 19, 41], Operations: ['81-40=41'] Exploring Operation: 90-19=71, Resulting Numbers: [41, 71] Generated Node #0,0,0: 36:[41, 71] Operation: 90-19=71 Exploring Operation: 41-19=22, Resulting Numbers: [90, 22] Generated Node #0,0,1: 36:[90, 22] Operation: 41-19=22 Exploring Operation: 90-41=49, Resulting Numbers: [19, 49] Generated Node #0,0,2: 36:[19, 49] Operation: 90-41=49 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 36:[19, 49], Operations: ['81-40=41', '90-41=49'] Exploring Operation: 49-19=30, Resulting Numbers: [30] 30,36 unequal: No Solution Exploring Operation: 19+49=68, Resulting Numbers: [68] 68,36 unequal: No Solution Exploring Operation: 19*49=931, Resulting Numbers: [931] 931,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[41, 71], Operations: ['81-40=41', '90-19=71'] Exploring Operation: 41+71=112, Resulting Numbers: [112] 112,36 unequal: No Solution Exploring Operation: 71-41=30, Resulting Numbers: [30] 30,36 unequal: No Solution Exploring Operation: 41*71=2911, Resulting Numbers: [2911] 2911,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 36:[90, 22], Operations: ['81-40=41', '41-19=22'] Exploring Operation: 90+22=112, Resulting Numbers: [112] 112,36 unequal: No Solution Exploring Operation: 90*22=1980, Resulting Numbers: [1980] 1980,36 unequal: No Solution Exploring Operation: 90-22=68, Resulting Numbers: [68] 68,36 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: 36:[81, 19, 50], Operations: ['90-40=50'] Exploring Operation: 81-19=62, Resulting Numbers: [50, 62] Generated Node #0,1,0: 36:[50, 62] Operation: 81-19=62 Exploring Operation: 50-19=31, Resulting Numbers: [81, 31] Generated Node #0,1,1: 36:[81, 31] Operation: 50-19=31 Exploring Operation: 81-50=31, Resulting Numbers: [19, 31] Generated Node #0,1,2: 36:[19, 31] Operation: 81-50=31 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 36:[19, 31], Operations: ['90-40=50', '81-50=31'] Exploring Operation: 19+31=50, Resulting Numbers: [50] 50,36 unequal: No Solution Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 19*31=589, Resulting Numbers: [589] 589,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 36:[50, 62], Operations: ['90-40=50', '81-19=62'] Exploring Operation: 50+62=112, Resulting Numbers: [112] 112,36 unequal: No Solution Exploring Operation: 50*62=3100, Resulting Numbers: [3100] 3100,36 unequal: No Solution Exploring Operation: 62-50=12, Resulting Numbers: [12] 12,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 36:[81, 31], Operations: ['90-40=50', '50-19=31'] Exploring Operation: 81-31=50, Resulting Numbers: [50] 50,36 unequal: No Solution Exploring Operation: 81*31=2511, Resulting Numbers: [2511] 2511,36 unequal: No Solution Exploring Operation: 81+31=112, Resulting Numbers: [112] 112,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 36:[9, 21], Operations: ['90-81=9', '40-19=21'] Exploring Operation: 9*21=189, Resulting Numbers: [189] 189,36 unequal: No Solution Exploring Operation: 9+21=30, Resulting Numbers: [30] 30,36 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,36 unequal: No Solution Moving to Node #0,2,0 Current State: 36:[40, 10], Operations: ['90-81=9', '19-9=10'] Exploring Operation: 40+10=50, Resulting Numbers: [50] 50,36 unequal: No Solution Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,36 unequal: No Solution Exploring Operation: 40/10=4, Resulting Numbers: [4] 4,36 unequal: No Solution Moving to Node #0,2,1 Current State: 36:[19, 31], Operations: ['90-81=9', '40-9=31'] Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 19+31=50, Resulting Numbers: [50] 50,36 unequal: No Solution Exploring Operation: 19*31=589, Resulting Numbers: [589] 589,36 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 29, 86, 89, 22 ]
95
[ "89-86=3", "22*3=66", "29+66=95" ]
Current State: 95:[29, 86, 89, 22], Operations: [] Exploring Operation: 89-86=3, Resulting Numbers: [29, 22, 3] Generated Node #2: [29, 22, 3] from Operation: 89-86=3 Current State: 95:[29, 22, 3], Operations: ['89-86=3'] Exploring Operation: 22*3=66, Resulting Numbers: [29, 66] Generated Node #3: [29, 66] from Operation: 22*3=66 Current State: 95:[29, 66], Operations: ['89-86=3', '22*3=66'] Exploring Operation: 29+66=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[29, 86, 89, 22], Operations: [] Exploring Operation: 29-22=7, Resulting Numbers: [86, 89, 7] Generated Node #0,0: 95:[86, 89, 7] Operation: 29-22=7 Exploring Operation: 89-86=3, Resulting Numbers: [29, 22, 3] Generated Node #0,1: 95:[29, 22, 3] Operation: 89-86=3 Exploring Operation: 29+86=115, Resulting Numbers: [89, 22, 115] Generated Node #0,2: 95:[89, 22, 115] Operation: 29+86=115 Exploring Operation: 86+22=108, Resulting Numbers: [29, 89, 108] Generated Node #0,3: 95:[29, 89, 108] Operation: 86+22=108 Moving to Node #0,1 Current State: 95:[29, 22, 3], Operations: ['89-86=3'] Exploring Operation: 22-3=19, Resulting Numbers: [29, 19] Generated Node #0,1,0: 95:[29, 19] Operation: 22-3=19 Exploring Operation: 29*3=87, Resulting Numbers: [22, 87] Generated Node #0,1,1: 95:[22, 87] Operation: 29*3=87 Exploring Operation: 29-3=26, Resulting Numbers: [22, 26] Generated Node #0,1,2: 95:[22, 26] Operation: 29-3=26 Exploring Operation: 29-22=7, Resulting Numbers: [3, 7] Generated Node #0,1,3: 95:[3, 7] Operation: 29-22=7 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 95:[3, 7], Operations: ['89-86=3', '29-22=7'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,95 unequal: No Solution Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,95 unequal: No Solution Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,95 unequal: No Solution No 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: 95:[29, 19], Operations: ['89-86=3', '22-3=19'] Exploring Operation: 29+19=48, Resulting Numbers: [48] 48,95 unequal: No Solution Exploring Operation: 29*19=551, Resulting Numbers: [551] 551,95 unequal: No Solution Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,95 unequal: No Solution No 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: 95:[22, 26], Operations: ['89-86=3', '29-3=26'] Exploring Operation: 22+26=48, Resulting Numbers: [48] 48,95 unequal: No Solution Exploring Operation: 22*26=572, Resulting Numbers: [572] 572,95 unequal: No Solution Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,95 unequal: No Solution No 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: 95:[22, 87], Operations: ['89-86=3', '29*3=87'] Exploring Operation: 22+87=109, Resulting Numbers: [109] 109,95 unequal: No Solution Exploring Operation: 22*87=1914, Resulting Numbers: [1914] 1914,95 unequal: No Solution Exploring Operation: 87-22=65, Resulting Numbers: [65] 65,95 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: 95:[86, 89, 7], Operations: ['29-22=7'] Exploring Operation: 86+7=93, Resulting Numbers: [89, 93] Generated Node #0,0,0: 95:[89, 93] Operation: 86+7=93 Exploring Operation: 89+7=96, Resulting Numbers: [86, 96] Generated Node #0,0,1: 95:[86, 96] Operation: 89+7=96 Exploring Operation: 89-86=3, Resulting Numbers: [7, 3] Generated Node #0,0,2: 95:[7, 3] Operation: 89-86=3 Exploring Operation: 86-7=79, Resulting Numbers: [89, 79] Generated Node #0,0,3: 95:[89, 79] Operation: 86-7=79 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 95:[7, 3], Operations: ['29-22=7', '89-86=3'] Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,95 unequal: No Solution Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,95 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,95 unequal: No Solution No 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: 95:[89, 93], Operations: ['29-22=7', '86+7=93'] Exploring Operation: 93-89=4, Resulting Numbers: [4] 4,95 unequal: No Solution Exploring Operation: 89+93=182, Resulting Numbers: [182] 182,95 unequal: No Solution Exploring Operation: 89*93=8277, Resulting Numbers: [8277] 8277,95 unequal: No Solution No 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: 95:[86, 96], Operations: ['29-22=7', '89+7=96'] Exploring Operation: 96-86=10, Resulting Numbers: [10] 10,95 unequal: No Solution Exploring Operation: 86+96=182, Resulting Numbers: [182] 182,95 unequal: No Solution Exploring Operation: 86*96=8256, Resulting Numbers: [8256] 8256,95 unequal: No Solution No 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: 95:[89, 79], Operations: ['29-22=7', '86-7=79'] Exploring Operation: 89-79=10, Resulting Numbers: [10] 10,95 unequal: No Solution Exploring Operation: 89*79=7031, Resulting Numbers: [7031] 7031,95 unequal: No Solution Exploring Operation: 89+79=168, Resulting Numbers: [168] 168,95 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: 95:[29, 89, 108], Operations: ['86+22=108'] Exploring Operation: 29+89=118, Resulting Numbers: [108, 118] Generated Node #0,3,0: 95:[108, 118] Operation: 29+89=118 Exploring Operation: 108-89=19, Resulting Numbers: [29, 19] Generated Node #0,3,1: 95:[29, 19] Operation: 108-89=19 Exploring Operation: 89-29=60, Resulting Numbers: [108, 60] Generated Node #0,3,2: 95:[108, 60] Operation: 89-29=60 Exploring Operation: 108-29=79, Resulting Numbers: [89, 79] Generated Node #0,3,3: 95:[89, 79] Operation: 108-29=79 Moving to Node #0,2 Current State: 95:[89, 22, 115], Operations: ['29+86=115'] Exploring Operation: 115-89=26, Resulting Numbers: [22, 26] Generated Node #0,2,0: 95:[22, 26] Operation: 115-89=26 Exploring Operation: 89+22=111, Resulting Numbers: [115, 111] Generated Node #0,2,1: 95:[115, 111] Operation: 89+22=111 Exploring Operation: 89-22=67, Resulting Numbers: [115, 67] Generated Node #0,2,2: 95:[115, 67] Operation: 89-22=67 Exploring Operation: 115-22=93, Resulting Numbers: [89, 93] Generated Node #0,2,3: 95:[89, 93] Operation: 115-22=93 Moving to Node #0,2,3 Current State: 95:[89, 93], Operations: ['29+86=115', '115-22=93'] Exploring Operation: 93-89=4, Resulting Numbers: [4] 4,95 unequal: No Solution Exploring Operation: 89*93=8277, Resulting Numbers: [8277] 8277,95 unequal: No Solution Exploring Operation: 89+93=182, Resulting Numbers: [182] 182,95 unequal: No Solution Moving to Node #0,2,0 Current State: 95:[22, 26], Operations: ['29+86=115', '115-89=26'] Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,95 unequal: No Solution Exploring Operation: 22*26=572, Resulting Numbers: [572] 572,95 unequal: No Solution Exploring Operation: 22+26=48, Resulting Numbers: [48] 48,95 unequal: No Solution Moving to Node #0,3,1 Current State: 95:[29, 19], Operations: ['86+22=108', '108-89=19'] Exploring Operation: 29*19=551, Resulting Numbers: [551] 551,95 unequal: No Solution Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,95 unequal: No Solution Exploring Operation: 29+19=48, Resulting Numbers: [48] 48,95 unequal: No Solution Moving to Node #0,3,3 Current State: 95:[89, 79], Operations: ['86+22=108', '108-29=79'] Exploring Operation: 89*79=7031, Resulting Numbers: [7031] 7031,95 unequal: No Solution Exploring Operation: 89-79=10, Resulting Numbers: [10] 10,95 unequal: No Solution Exploring Operation: 89+79=168, Resulting Numbers: [168] 168,95 unequal: No Solution Moving to Node #0,2,1 Current State: 95:[115, 111], Operations: ['29+86=115', '89+22=111'] Exploring Operation: 115+111=226, Resulting Numbers: [226] 226,95 unequal: No Solution Exploring Operation: 115-111=4, Resulting Numbers: [4] 4,95 unequal: No Solution Exploring Operation: 115*111=12765, Resulting Numbers: [12765] 12765,95 unequal: No Solution Moving to Node #0,3,0 Current State: 95:[108, 118], Operations: ['86+22=108', '29+89=118'] Exploring Operation: 108*118=12744, Resulting Numbers: [12744] 12744,95 unequal: No Solution Exploring Operation: 118-108=10, Resulting Numbers: [10] 10,95 unequal: No Solution Exploring Operation: 108+118=226, Resulting Numbers: [226] 226,95 unequal: No Solution Moving to Node #0,3,2 Current State: 95:[108, 60], Operations: ['86+22=108', '89-29=60'] Exploring Operation: 108-60=48, Resulting Numbers: [48] 48,95 unequal: No Solution Exploring Operation: 108*60=6480, Resulting Numbers: [6480] 6480,95 unequal: No Solution Exploring Operation: 108+60=168, Resulting Numbers: [168] 168,95 unequal: No Solution Moving to Node #0,2,2 Current State: 95:[115, 67], Operations: ['29+86=115', '89-22=67'] Exploring Operation: 115*67=7705, Resulting Numbers: [7705] 7705,95 unequal: No Solution Exploring Operation: 115+67=182, Resulting Numbers: [182] 182,95 unequal: No Solution Exploring Operation: 115-67=48, Resulting Numbers: [48] 48,95 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 91, 28, 94, 90 ]
65
[ "91+28=119", "94+90=184", "184-119=65" ]
Current State: 65:[91, 28, 94, 90], Operations: [] Exploring Operation: 91+28=119, Resulting Numbers: [94, 90, 119] Generated Node #2: [94, 90, 119] from Operation: 91+28=119 Current State: 65:[94, 90, 119], Operations: ['91+28=119'] Exploring Operation: 94+90=184, Resulting Numbers: [119, 184] Generated Node #3: [119, 184] from Operation: 94+90=184 Current State: 65:[119, 184], Operations: ['91+28=119', '94+90=184'] Exploring Operation: 184-119=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[91, 28, 94, 90], Operations: [] Exploring Operation: 91-28=63, Resulting Numbers: [94, 90, 63] Generated Node #0,0: 65:[94, 90, 63] Operation: 91-28=63 Exploring Operation: 94-90=4, Resulting Numbers: [91, 28, 4] Generated Node #0,1: 65:[91, 28, 4] Operation: 94-90=4 Exploring Operation: 94-91=3, Resulting Numbers: [28, 90, 3] Generated Node #0,2: 65:[28, 90, 3] Operation: 94-91=3 Exploring Operation: 94-28=66, Resulting Numbers: [91, 90, 66] Generated Node #0,3: 65:[91, 90, 66] Operation: 94-28=66 Exploring Operation: 91-90=1, Resulting Numbers: [28, 94, 1] Generated Node #0,4: 65:[28, 94, 1] Operation: 91-90=1 Moving to Node #0,1 Current State: 65:[91, 28, 4], Operations: ['94-90=4'] Exploring Operation: 28-4=24, Resulting Numbers: [91, 24] Generated Node #0,1,0: 65:[91, 24] Operation: 28-4=24 Exploring Operation: 91-28=63, Resulting Numbers: [4, 63] Generated Node #0,1,1: 65:[4, 63] Operation: 91-28=63 Exploring Operation: 91-4=87, Resulting Numbers: [28, 87] Generated Node #0,1,2: 65:[28, 87] Operation: 91-4=87 Exploring Operation: 28/4=7, Resulting Numbers: [91, 7] Generated Node #0,1,3: 65:[91, 7] Operation: 28/4=7 Exploring Operation: 91+4=95, Resulting Numbers: [28, 95] Generated Node #0,1,4: 65:[28, 95] Operation: 91+4=95 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[4, 63], Operations: ['94-90=4', '91-28=63'] Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,65 unequal: No Solution Exploring Operation: 4*63=252, Resulting Numbers: [252] 252,65 unequal: No Solution Exploring Operation: 4+63=67, Resulting Numbers: [67] 67,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 65:[91, 7], Operations: ['94-90=4', '28/4=7'] Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,65 unequal: No Solution Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,65 unequal: No Solution Exploring Operation: 91*7=637, Resulting Numbers: [637] 637,65 unequal: No Solution Exploring Operation: 91+7=98, Resulting Numbers: [98] 98,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[91, 24], Operations: ['94-90=4', '28-4=24'] Exploring Operation: 91+24=115, Resulting Numbers: [115] 115,65 unequal: No Solution Exploring Operation: 91*24=2184, Resulting Numbers: [2184] 2184,65 unequal: No Solution Exploring Operation: 91-24=67, Resulting Numbers: [67] 67,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 65:[28, 87], Operations: ['94-90=4', '91-4=87'] Exploring Operation: 28*87=2436, Resulting Numbers: [2436] 2436,65 unequal: No Solution Exploring Operation: 87-28=59, Resulting Numbers: [59] 59,65 unequal: No Solution Exploring Operation: 28+87=115, Resulting Numbers: [115] 115,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 65:[28, 95], Operations: ['94-90=4', '91+4=95'] Exploring Operation: 28+95=123, Resulting Numbers: [123] 123,65 unequal: No Solution Exploring Operation: 28*95=2660, Resulting Numbers: [2660] 2660,65 unequal: No Solution Exploring Operation: 95-28=67, Resulting Numbers: [67] 67,65 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: 65:[28, 90, 3], Operations: ['94-91=3'] Exploring Operation: 28-3=25, Resulting Numbers: [90, 25] Generated Node #0,2,0: 65:[90, 25] Operation: 28-3=25 Exploring Operation: 90/3=30, Resulting Numbers: [28, 30] Generated Node #0,2,1: 65:[28, 30] Operation: 90/3=30 Exploring Operation: 90-3=87, Resulting Numbers: [28, 87] Generated Node #0,2,2: 65:[28, 87] Operation: 90-3=87 Exploring Operation: 28+3=31, Resulting Numbers: [90, 31] Generated Node #0,2,3: 65:[90, 31] Operation: 28+3=31 Exploring Operation: 90-28=62, Resulting Numbers: [3, 62] Generated Node #0,2,4: 65:[3, 62] Operation: 90-28=62 Moving to Node #0,4 Current State: 65:[28, 94, 1], Operations: ['91-90=1'] Exploring Operation: 94-28=66, Resulting Numbers: [1, 66] Generated Node #0,4,0: 65:[1, 66] Operation: 94-28=66 Exploring Operation: 28*1=28, Resulting Numbers: [94, 28] Generated Node #0,4,1: 65:[94, 28] Operation: 28*1=28 Exploring Operation: 28-1=27, Resulting Numbers: [94, 27] Generated Node #0,4,2: 65:[94, 27] Operation: 28-1=27 Exploring Operation: 94-1=93, Resulting Numbers: [28, 93] Generated Node #0,4,3: 65:[28, 93] Operation: 94-1=93 Exploring Operation: 28/1=28, Resulting Numbers: [94, 28] Generated Node #0,4,4: 65:[94, 28] Operation: 28/1=28 Moving to Node #0,3 Current State: 65:[91, 90, 66], Operations: ['94-28=66'] Exploring Operation: 91+90=181, Resulting Numbers: [66, 181] Generated Node #0,3,0: 65:[66, 181] Operation: 91+90=181 Exploring Operation: 91+66=157, Resulting Numbers: [90, 157] Generated Node #0,3,1: 65:[90, 157] Operation: 91+66=157 Exploring Operation: 91-66=25, Resulting Numbers: [90, 25] Generated Node #0,3,2: 65:[90, 25] Operation: 91-66=25 Exploring Operation: 91-90=1, Resulting Numbers: [66, 1] Generated Node #0,3,3: 65:[66, 1] Operation: 91-90=1 Exploring Operation: 90-66=24, Resulting Numbers: [91, 24] Generated Node #0,3,4: 65:[91, 24] Operation: 90-66=24 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 65:[66, 1], Operations: ['94-28=66', '91-90=1'] Exploring Operation: 66-1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[91, 28, 94, 90], Operations: [] Exploring Operation: 94-28=66, Resulting Numbers: [91, 90, 66] Generated Node #0,3: 65:[91, 90, 66] Operation: 94-28=66 Moving to Node #0,3 Current State: 65:[91, 90, 66], Operations: ['94-28=66'] Exploring Operation: 91-90=1, Resulting Numbers: [66, 1] Generated Node #0,3,3: 65:[66, 1] Operation: 91-90=1 Moving to Node #0,3,3 Current State: 65:[66, 1], Operations: ['94-28=66', '91-90=1'] Exploring Operation: 66-1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.960069
hs_5
sum_heuristic
[ 6, 66, 9, 37 ]
59
[ "9-6=3", "66/3=22", "37+22=59" ]
Current State: 59:[6, 66, 9, 37], Operations: [] Exploring Operation: 9-6=3, Resulting Numbers: [66, 37, 3] Generated Node #2: [66, 37, 3] from Operation: 9-6=3 Current State: 59:[66, 37, 3], Operations: ['9-6=3'] Exploring Operation: 66/3=22, Resulting Numbers: [37, 22] Generated Node #3: [37, 22] from Operation: 66/3=22 Current State: 59:[37, 22], Operations: ['9-6=3', '66/3=22'] Exploring Operation: 37+22=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[6, 66, 9, 37], Operations: [] Exploring Operation: 6+9=15, Resulting Numbers: [66, 37, 15] Generated Node #0,0: 59:[66, 37, 15] Operation: 6+9=15 Exploring Operation: 66-6=60, Resulting Numbers: [9, 37, 60] Generated Node #0,1: 59:[9, 37, 60] Operation: 66-6=60 Exploring Operation: 6*9=54, Resulting Numbers: [66, 37, 54] Generated Node #0,2: 59:[66, 37, 54] Operation: 6*9=54 Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[66, 37, 54], Operations: ['6*9=54'] Exploring Operation: 66-37=29, Resulting Numbers: [54, 29] Generated Node #0,2,0: 59:[54, 29] Operation: 66-37=29 Exploring Operation: 66+37=103, Resulting Numbers: [54, 103] Generated Node #0,2,1: 59:[54, 103] Operation: 66+37=103 Exploring Operation: 37+54=91, Resulting Numbers: [66, 91] Generated Node #0,2,2: 59:[66, 91] Operation: 37+54=91 Moving to Node #0,2,0 Current State: 59:[54, 29], Operations: ['6*9=54', '66-37=29'] Exploring Operation: 54+29=83, Resulting Numbers: [83] 83,59 unequal: No Solution Exploring Operation: 54*29=1566, Resulting Numbers: [1566] 1566,59 unequal: No Solution Exploring Operation: 54-29=25, Resulting Numbers: [25] 25,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[66, 91], Operations: ['6*9=54', '37+54=91'] Exploring Operation: 91-66=25, Resulting Numbers: [25] 25,59 unequal: No Solution Exploring Operation: 66+91=157, Resulting Numbers: [157] 157,59 unequal: No Solution Exploring Operation: 66*91=6006, Resulting Numbers: [6006] 6006,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[54, 103], Operations: ['6*9=54', '66+37=103'] Exploring Operation: 103-54=49, Resulting Numbers: [49] 49,59 unequal: No Solution Exploring Operation: 54*103=5562, Resulting Numbers: [5562] 5562,59 unequal: No Solution Exploring Operation: 54+103=157, Resulting Numbers: [157] 157,59 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:[66, 37, 15], Operations: ['6+9=15'] Exploring Operation: 66-15=51, Resulting Numbers: [37, 51] Generated Node #0,0,0: 59:[37, 51] Operation: 66-15=51 Exploring Operation: 37+15=52, Resulting Numbers: [66, 52] Generated Node #0,0,1: 59:[66, 52] Operation: 37+15=52 Exploring Operation: 66+15=81, Resulting Numbers: [37, 81] Generated Node #0,0,2: 59:[37, 81] Operation: 66+15=81 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 59:[66, 52], Operations: ['6+9=15', '37+15=52'] Exploring Operation: 66*52=3432, Resulting Numbers: [3432] 3432,59 unequal: No Solution Exploring Operation: 66+52=118, Resulting Numbers: [118] 118,59 unequal: No Solution Exploring Operation: 66-52=14, Resulting Numbers: [14] 14,59 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:[37, 51], Operations: ['6+9=15', '66-15=51'] Exploring Operation: 51-37=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 37+51=88, Resulting Numbers: [88] 88,59 unequal: No Solution Exploring Operation: 37*51=1887, Resulting Numbers: [1887] 1887,59 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 #0,0,2 Current State: 59:[37, 81], Operations: ['6+9=15', '66+15=81'] Exploring Operation: 37*81=2997, Resulting Numbers: [2997] 2997,59 unequal: No Solution Exploring Operation: 81-37=44, Resulting Numbers: [44] 44,59 unequal: No Solution Exploring Operation: 37+81=118, Resulting Numbers: [118] 118,59 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:[9, 37, 60], Operations: ['66-6=60'] Exploring Operation: 9+37=46, Resulting Numbers: [60, 46] Generated Node #0,1,0: 59:[60, 46] Operation: 9+37=46 Exploring Operation: 37-9=28, Resulting Numbers: [60, 28] Generated Node #0,1,1: 59:[60, 28] Operation: 37-9=28 Exploring Operation: 60-9=51, Resulting Numbers: [37, 51] Generated Node #0,1,2: 59:[37, 51] Operation: 60-9=51 Moving to Node #0,1,0 Current State: 59:[60, 46], Operations: ['66-6=60', '9+37=46'] Exploring Operation: 60+46=106, Resulting Numbers: [106] 106,59 unequal: No Solution Exploring Operation: 60*46=2760, Resulting Numbers: [2760] 2760,59 unequal: No Solution Exploring Operation: 60-46=14, Resulting Numbers: [14] 14,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[37, 51], Operations: ['66-6=60', '60-9=51'] Exploring Operation: 37*51=1887, Resulting Numbers: [1887] 1887,59 unequal: No Solution Exploring Operation: 51-37=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 37+51=88, Resulting Numbers: [88] 88,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[60, 28], Operations: ['66-6=60', '37-9=28'] Exploring Operation: 60+28=88, Resulting Numbers: [88] 88,59 unequal: No Solution Exploring Operation: 60-28=32, Resulting Numbers: [32] 32,59 unequal: No Solution Exploring Operation: 60*28=1680, Resulting Numbers: [1680] 1680,59 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
[ 7, 40, 77, 39 ]
21
[ "40+77=117", "7*117=819", "819/39=21" ]
Current State: 21:[7, 40, 77, 39], Operations: [] Exploring Operation: 40+77=117, Resulting Numbers: [7, 39, 117] Generated Node #2: [7, 39, 117] from Operation: 40+77=117 Current State: 21:[7, 39, 117], Operations: ['40+77=117'] Exploring Operation: 7*117=819, Resulting Numbers: [39, 819] Generated Node #3: [39, 819] from Operation: 7*117=819 Current State: 21:[39, 819], Operations: ['40+77=117', '7*117=819'] Exploring Operation: 819/39=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[7, 40, 77, 39], Operations: [] Exploring Operation: 77-40=37, Resulting Numbers: [7, 39, 37] Generated Node #0,0: 21:[7, 39, 37] Operation: 77-40=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[7, 39, 37], Operations: ['77-40=37'] Exploring Operation: 39-37=2, Resulting Numbers: [7, 2] Generated Node #0,0,0: 21:[7, 2] Operation: 39-37=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 21:[7, 2], Operations: ['77-40=37', '39-37=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,21 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
[ 88, 20, 90, 75 ]
90
[ "88+20=108", "75*108=8100", "8100/90=90" ]
Current State: 90:[88, 20, 90, 75], Operations: [] Exploring Operation: 88+20=108, Resulting Numbers: [90, 75, 108] Generated Node #2: [90, 75, 108] from Operation: 88+20=108 Current State: 90:[90, 75, 108], Operations: ['88+20=108'] Exploring Operation: 75*108=8100, Resulting Numbers: [90, 8100] Generated Node #3: [90, 8100] from Operation: 75*108=8100 Current State: 90:[90, 8100], Operations: ['88+20=108', '75*108=8100'] Exploring Operation: 8100/90=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[88, 20, 90, 75], Operations: [] Exploring Operation: 88-75=13, Resulting Numbers: [20, 90, 13] Generated Node #0,0: 90:[20, 90, 13] Operation: 88-75=13 Moving to Node #0,0 Current State: 90:[20, 90, 13], Operations: ['88-75=13'] Exploring Operation: 20-13=7, Resulting Numbers: [90, 7] Generated Node #0,0,0: 90:[90, 7] Operation: 20-13=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[90, 7], Operations: ['88-75=13', '20-13=7'] Exploring Operation: 90+7=97, Resulting Numbers: [97] 97,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 12, 19, 23, 10 ]
78
[ "12*10=120", "19+23=42", "120-42=78" ]
Current State: 78:[12, 19, 23, 10], Operations: [] Exploring Operation: 12*10=120, Resulting Numbers: [19, 23, 120] Generated Node #2: [19, 23, 120] from Operation: 12*10=120 Current State: 78:[19, 23, 120], Operations: ['12*10=120'] Exploring Operation: 19+23=42, Resulting Numbers: [120, 42] Generated Node #3: [120, 42] from Operation: 19+23=42 Current State: 78:[120, 42], Operations: ['12*10=120', '19+23=42'] Exploring Operation: 120-42=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[12, 19, 23, 10], Operations: [] Exploring Operation: 23-19=4, Resulting Numbers: [12, 10, 4] Generated Node #0,0: 78:[12, 10, 4] Operation: 23-19=4 Moving to Node #0,0 Current State: 78:[12, 10, 4], Operations: ['23-19=4'] Exploring Operation: 12-10=2, Resulting Numbers: [4, 2] Generated Node #0,0,0: 78:[4, 2] Operation: 12-10=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[4, 2], Operations: ['23-19=4', '12-10=2'] Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,78 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
[ 6, 6, 34, 54 ]
21
[ "6/6=1", "54-34=20", "1+20=21" ]
Current State: 21:[6, 6, 34, 54], Operations: [] Exploring Operation: 6/6=1, Resulting Numbers: [34, 54, 1] Generated Node #2: [34, 54, 1] from Operation: 6/6=1 Current State: 21:[34, 54, 1], Operations: ['6/6=1'] Exploring Operation: 54-34=20, Resulting Numbers: [1, 20] Generated Node #3: [1, 20] from Operation: 54-34=20 Current State: 21:[1, 20], Operations: ['6/6=1', '54-34=20'] Exploring Operation: 1+20=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[6, 6, 34, 54], Operations: [] Exploring Operation: 54-34=20, Resulting Numbers: [6, 6, 20] Generated Node #0,0: 21:[6, 6, 20] Operation: 54-34=20 Exploring Operation: 34-6=28, Resulting Numbers: [6, 54, 28] Generated Node #0,1: 21:[6, 54, 28] Operation: 34-6=28 Exploring Operation: 54/6=9, Resulting Numbers: [6, 34, 9] Generated Node #0,2: 21:[6, 34, 9] Operation: 54/6=9 Exploring Operation: 54/6=9, Resulting Numbers: [6, 34, 9] Generated Node #0,3: 21:[6, 34, 9] Operation: 54/6=9 Exploring Operation: 54-6=48, Resulting Numbers: [6, 34, 48] Generated Node #0,4: 21:[6, 34, 48] Operation: 54-6=48 Moving to Node #0,0 Current State: 21:[6, 6, 20], Operations: ['54-34=20'] Exploring Operation: 6+20=26, Resulting Numbers: [6, 26] Generated Node #0,0,0: 21:[6, 26] Operation: 6+20=26 Exploring Operation: 6+20=26, Resulting Numbers: [6, 26] Generated Node #0,0,1: 21:[6, 26] Operation: 6+20=26 Exploring Operation: 6-6=0, Resulting Numbers: [20, 0] Generated Node #0,0,2: 21:[20, 0] Operation: 6-6=0 Exploring Operation: 6+6=12, Resulting Numbers: [20, 12] Generated Node #0,0,3: 21:[20, 12] Operation: 6+6=12 Exploring Operation: 6/6=1, Resulting Numbers: [20, 1] Generated Node #0,0,4: 21:[20, 1] Operation: 6/6=1 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 21:[20, 1], Operations: ['54-34=20', '6/6=1'] Exploring Operation: 20+1=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[6, 6, 34, 54], Operations: [] Exploring Operation: 54-34=20, Resulting Numbers: [6, 6, 20] Generated Node #0,0: 21:[6, 6, 20] Operation: 54-34=20 Moving to Node #0,0 Current State: 21:[6, 6, 20], Operations: ['54-34=20'] Exploring Operation: 6/6=1, Resulting Numbers: [20, 1] Generated Node #0,0,4: 21:[20, 1] Operation: 6/6=1 Moving to Node #0,0,4 Current State: 21:[20, 1], Operations: ['54-34=20', '6/6=1'] Exploring Operation: 20+1=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 84, 16, 86, 74 ]
80
[ "84-16=68", "86-74=12", "68+12=80" ]
Current State: 80:[84, 16, 86, 74], Operations: [] Exploring Operation: 84-16=68, Resulting Numbers: [86, 74, 68] Generated Node #2: [86, 74, 68] from Operation: 84-16=68 Current State: 80:[86, 74, 68], Operations: ['84-16=68'] Exploring Operation: 86-74=12, Resulting Numbers: [68, 12] Generated Node #3: [68, 12] from Operation: 86-74=12 Current State: 80:[68, 12], Operations: ['84-16=68', '86-74=12'] Exploring Operation: 68+12=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[84, 16, 86, 74], Operations: [] Exploring Operation: 86-74=12, Resulting Numbers: [84, 16, 12] Generated Node #0,0: 80:[84, 16, 12] Operation: 86-74=12 Exploring Operation: 84-74=10, Resulting Numbers: [16, 86, 10] Generated Node #0,1: 80:[16, 86, 10] Operation: 84-74=10 Exploring Operation: 86-16=70, Resulting Numbers: [84, 74, 70] Generated Node #0,2: 80:[84, 74, 70] Operation: 86-16=70 Exploring Operation: 86-84=2, Resulting Numbers: [16, 74, 2] Generated Node #0,3: 80:[16, 74, 2] Operation: 86-84=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[84, 16, 12], Operations: ['86-74=12'] Exploring Operation: 84/12=7, Resulting Numbers: [16, 7] Generated Node #0,0,0: 80:[16, 7] Operation: 84/12=7 Exploring Operation: 16+12=28, Resulting Numbers: [84, 28] Generated Node #0,0,1: 80:[84, 28] Operation: 16+12=28 Exploring Operation: 16-12=4, Resulting Numbers: [84, 4] Generated Node #0,0,2: 80:[84, 4] Operation: 16-12=4 Exploring Operation: 84-12=72, Resulting Numbers: [16, 72] Generated Node #0,0,3: 80:[16, 72] Operation: 84-12=72 Moving to Node #0,0,0 Current State: 80:[16, 7], Operations: ['86-74=12', '84/12=7'] Exploring Operation: 16*7=112, Resulting Numbers: [112] 112,80 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,80 unequal: No Solution Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,80 unequal: No Solution Moving to Node #0,0,2 Current State: 80:[84, 4], Operations: ['86-74=12', '16-12=4'] Exploring Operation: 84*4=336, Resulting Numbers: [336] 336,80 unequal: No Solution Exploring Operation: 84-4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[84, 16, 86, 74], Operations: [] Exploring Operation: 86-74=12, Resulting Numbers: [84, 16, 12] Generated Node #0,0: 80:[84, 16, 12] Operation: 86-74=12 Moving to Node #0,0 Current State: 80:[84, 16, 12], Operations: ['86-74=12'] Exploring Operation: 16-12=4, Resulting Numbers: [84, 4] Generated Node #0,0,2: 80:[84, 4] Operation: 16-12=4 Moving to Node #0,0,2 Current State: 80:[84, 4], Operations: ['86-74=12', '16-12=4'] Exploring Operation: 84-4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 3, 12, 13, 38 ]
37
[ "12+13=25", "3*25=75", "75-38=37" ]
Current State: 37:[3, 12, 13, 38], Operations: [] Exploring Operation: 12+13=25, Resulting Numbers: [3, 38, 25] Generated Node #2: [3, 38, 25] from Operation: 12+13=25 Current State: 37:[3, 38, 25], Operations: ['12+13=25'] Exploring Operation: 3*25=75, Resulting Numbers: [38, 75] Generated Node #3: [38, 75] from Operation: 3*25=75 Current State: 37:[38, 75], Operations: ['12+13=25', '3*25=75'] Exploring Operation: 75-38=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[3, 12, 13, 38], Operations: [] Exploring Operation: 3*13=39, Resulting Numbers: [12, 38, 39] Generated Node #0,0: 37:[12, 38, 39] Operation: 3*13=39 Exploring Operation: 3*12=36, Resulting Numbers: [13, 38, 36] Generated Node #0,1: 37:[13, 38, 36] Operation: 3*12=36 Exploring Operation: 3+12=15, Resulting Numbers: [13, 38, 15] Generated Node #0,2: 37:[13, 38, 15] Operation: 3+12=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[13, 38, 36], Operations: ['3*12=36'] Exploring Operation: 13+36=49, Resulting Numbers: [38, 49] Generated Node #0,1,0: 37:[38, 49] Operation: 13+36=49 Exploring Operation: 13+38=51, Resulting Numbers: [36, 51] Generated Node #0,1,1: 37:[36, 51] Operation: 13+38=51 Exploring Operation: 38-13=25, Resulting Numbers: [36, 25] Generated Node #0,1,2: 37:[36, 25] Operation: 38-13=25 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 37:[38, 49], Operations: ['3*12=36', '13+36=49'] Exploring Operation: 38*49=1862, Resulting Numbers: [1862] 1862,37 unequal: No Solution Exploring Operation: 38+49=87, Resulting Numbers: [87] 87,37 unequal: No Solution Exploring Operation: 49-38=11, Resulting Numbers: [11] 11,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 37:[36, 25], Operations: ['3*12=36', '38-13=25'] Exploring Operation: 36+25=61, Resulting Numbers: [61] 61,37 unequal: No Solution Exploring Operation: 36*25=900, Resulting Numbers: [900] 900,37 unequal: No Solution Exploring Operation: 36-25=11, Resulting Numbers: [11] 11,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 37:[36, 51], Operations: ['3*12=36', '13+38=51'] Exploring Operation: 36*51=1836, Resulting Numbers: [1836] 1836,37 unequal: No Solution Exploring Operation: 51-36=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 36+51=87, Resulting Numbers: [87] 87,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[12, 38, 39], Operations: ['3*13=39'] Exploring Operation: 39-12=27, Resulting Numbers: [38, 27] Generated Node #0,0,0: 37:[38, 27] Operation: 39-12=27 Exploring Operation: 38-12=26, Resulting Numbers: [39, 26] Generated Node #0,0,1: 37:[39, 26] Operation: 38-12=26 Exploring Operation: 12+38=50, Resulting Numbers: [39, 50] Generated Node #0,0,2: 37:[39, 50] Operation: 12+38=50 Moving to Node #0,0,0 Current State: 37:[38, 27], Operations: ['3*13=39', '39-12=27'] Exploring Operation: 38+27=65, Resulting Numbers: [65] 65,37 unequal: No Solution Exploring Operation: 38*27=1026, Resulting Numbers: [1026] 1026,37 unequal: No Solution Exploring Operation: 38-27=11, Resulting Numbers: [11] 11,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[39, 26], Operations: ['3*13=39', '38-12=26'] Exploring Operation: 39*26=1014, Resulting Numbers: [1014] 1014,37 unequal: No Solution Exploring Operation: 39+26=65, Resulting Numbers: [65] 65,37 unequal: No Solution Exploring Operation: 39-26=13, Resulting Numbers: [13] 13,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[39, 50], Operations: ['3*13=39', '12+38=50'] Exploring Operation: 50-39=11, Resulting Numbers: [11] 11,37 unequal: No Solution Exploring Operation: 39+50=89, Resulting Numbers: [89] 89,37 unequal: No Solution Exploring Operation: 39*50=1950, Resulting Numbers: [1950] 1950,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[13, 38, 15], Operations: ['3+12=15'] Exploring Operation: 13+38=51, Resulting Numbers: [15, 51] Generated Node #0,2,0: 37:[15, 51] Operation: 13+38=51 Exploring Operation: 38-13=25, Resulting Numbers: [15, 25] Generated Node #0,2,1: 37:[15, 25] Operation: 38-13=25 Exploring Operation: 13+15=28, Resulting Numbers: [38, 28] Generated Node #0,2,2: 37:[38, 28] Operation: 13+15=28 Moving to Node #0,2,2 Current State: 37:[38, 28], Operations: ['3+12=15', '13+15=28'] Exploring Operation: 38-28=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 38+28=66, Resulting Numbers: [66] 66,37 unequal: No Solution Exploring Operation: 38*28=1064, Resulting Numbers: [1064] 1064,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[15, 25], Operations: ['3+12=15', '38-13=25'] Exploring Operation: 15*25=375, Resulting Numbers: [375] 375,37 unequal: No Solution Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 15+25=40, Resulting Numbers: [40] 40,37 unequal: No Solution Moving to Node #0,2,0 Current State: 37:[15, 51], Operations: ['3+12=15', '13+38=51'] Exploring Operation: 51-15=36, Resulting Numbers: [36] 36,37 unequal: No Solution Exploring Operation: 15*51=765, Resulting Numbers: [765] 765,37 unequal: No Solution Exploring Operation: 15+51=66, Resulting Numbers: [66] 66,37 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
[ 28, 31, 77, 53 ]
21
[ "31-28=3", "77-53=24", "24-3=21" ]
Current State: 21:[28, 31, 77, 53], Operations: [] Exploring Operation: 31-28=3, Resulting Numbers: [77, 53, 3] Generated Node #2: [77, 53, 3] from Operation: 31-28=3 Current State: 21:[77, 53, 3], Operations: ['31-28=3'] Exploring Operation: 77-53=24, Resulting Numbers: [3, 24] Generated Node #3: [3, 24] from Operation: 77-53=24 Current State: 21:[3, 24], Operations: ['31-28=3', '77-53=24'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[28, 31, 77, 53], Operations: [] Exploring Operation: 77-53=24, Resulting Numbers: [28, 31, 24] Generated Node #0,0: 21:[28, 31, 24] Operation: 77-53=24 Exploring Operation: 77-31=46, Resulting Numbers: [28, 53, 46] Generated Node #0,1: 21:[28, 53, 46] Operation: 77-31=46 Exploring Operation: 53-31=22, Resulting Numbers: [28, 77, 22] Generated Node #0,2: 21:[28, 77, 22] Operation: 53-31=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[28, 31, 24], Operations: ['77-53=24'] Exploring Operation: 31-28=3, Resulting Numbers: [24, 3] Generated Node #0,0,0: 21:[24, 3] Operation: 31-28=3 Exploring Operation: 31-24=7, Resulting Numbers: [28, 7] Generated Node #0,0,1: 21:[28, 7] Operation: 31-24=7 Exploring Operation: 28-24=4, Resulting Numbers: [31, 4] Generated Node #0,0,2: 21:[31, 4] Operation: 28-24=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 21:[24, 3], Operations: ['77-53=24', '31-28=3'] Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,21 unequal: No Solution Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,21 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[28, 31, 77, 53], Operations: [] Exploring Operation: 77-53=24, Resulting Numbers: [28, 31, 24] Generated Node #0,0: 21:[28, 31, 24] Operation: 77-53=24 Moving to Node #0,0 Current State: 21:[28, 31, 24], Operations: ['77-53=24'] Exploring Operation: 31-28=3, Resulting Numbers: [24, 3] Generated Node #0,0,0: 21:[24, 3] Operation: 31-28=3 Moving to Node #0,0,0 Current State: 21:[24, 3], Operations: ['77-53=24', '31-28=3'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 6, 61, 18, 70 ]
99
[ "6*18=108", "70-61=9", "108-9=99" ]
Current State: 99:[6, 61, 18, 70], Operations: [] Exploring Operation: 6*18=108, Resulting Numbers: [61, 70, 108] Generated Node #2: [61, 70, 108] from Operation: 6*18=108 Current State: 99:[61, 70, 108], Operations: ['6*18=108'] Exploring Operation: 70-61=9, Resulting Numbers: [108, 9] Generated Node #3: [108, 9] from Operation: 70-61=9 Current State: 99:[108, 9], Operations: ['6*18=108', '70-61=9'] Exploring Operation: 108-9=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[6, 61, 18, 70], Operations: [] Exploring Operation: 61-18=43, Resulting Numbers: [6, 70, 43] Generated Node #0,0: 99:[6, 70, 43] Operation: 61-18=43 Exploring Operation: 70-61=9, Resulting Numbers: [6, 18, 9] Generated Node #0,1: 99:[6, 18, 9] Operation: 70-61=9 Moving to Node #0,1 Current State: 99:[6, 18, 9], Operations: ['70-61=9'] Exploring Operation: 18/6=3, Resulting Numbers: [9, 3] Generated Node #0,1,0: 99:[9, 3] Operation: 18/6=3 Exploring Operation: 18-6=12, Resulting Numbers: [9, 12] Generated Node #0,1,1: 99:[9, 12] Operation: 18-6=12 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 99:[9, 3], Operations: ['70-61=9', '18/6=3'] Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,99 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,99 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 #0,1,1 Current State: 99:[9, 12], Operations: ['70-61=9', '18-6=12'] Exploring Operation: 9*12=108, Resulting Numbers: [108] 108,99 unequal: No Solution Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,99 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: 99:[6, 70, 43], Operations: ['61-18=43'] Exploring Operation: 70-43=27, Resulting Numbers: [6, 27] Generated Node #0,0,0: 99:[6, 27] Operation: 70-43=27 Exploring Operation: 70+43=113, Resulting Numbers: [6, 113] Generated Node #0,0,1: 99:[6, 113] Operation: 70+43=113 Moving to Node #0,0,0 Current State: 99:[6, 27], Operations: ['61-18=43', '70-43=27'] Exploring Operation: 6+27=33, Resulting Numbers: [33] 33,99 unequal: No Solution Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[6, 113], Operations: ['61-18=43', '70+43=113'] Exploring Operation: 113-6=107, Resulting Numbers: [107] 107,99 unequal: No Solution Exploring Operation: 6+113=119, Resulting Numbers: [119] 119,99 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 78, 72, 77, 82 ]
32
[ "78+82=160", "77-72=5", "160/5=32" ]
Current State: 32:[78, 72, 77, 82], Operations: [] Exploring Operation: 78+82=160, Resulting Numbers: [72, 77, 160] Generated Node #2: [72, 77, 160] from Operation: 78+82=160 Current State: 32:[72, 77, 160], Operations: ['78+82=160'] Exploring Operation: 77-72=5, Resulting Numbers: [160, 5] Generated Node #3: [160, 5] from Operation: 77-72=5 Current State: 32:[160, 5], Operations: ['78+82=160', '77-72=5'] Exploring Operation: 160/5=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[78, 72, 77, 82], Operations: [] Exploring Operation: 82-78=4, Resulting Numbers: [72, 77, 4] Generated Node #0,0: 32:[72, 77, 4] Operation: 82-78=4 Moving to Node #0,0 Current State: 32:[72, 77, 4], Operations: ['82-78=4'] Exploring Operation: 77-72=5, Resulting Numbers: [4, 5] Generated Node #0,0,0: 32:[4, 5] Operation: 77-72=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[4, 5], Operations: ['82-78=4', '77-72=5'] Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 35, 83, 99, 78 ]
76
[ "83-78=5", "35*5=175", "175-99=76" ]
Current State: 76:[35, 83, 99, 78], Operations: [] Exploring Operation: 83-78=5, Resulting Numbers: [35, 99, 5] Generated Node #2: [35, 99, 5] from Operation: 83-78=5 Current State: 76:[35, 99, 5], Operations: ['83-78=5'] Exploring Operation: 35*5=175, Resulting Numbers: [99, 175] Generated Node #3: [99, 175] from Operation: 35*5=175 Current State: 76:[99, 175], Operations: ['83-78=5', '35*5=175'] Exploring Operation: 175-99=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[35, 83, 99, 78], Operations: [] Exploring Operation: 99-78=21, Resulting Numbers: [35, 83, 21] Generated Node #0,0: 76:[35, 83, 21] Operation: 99-78=21 Exploring Operation: 99-83=16, Resulting Numbers: [35, 78, 16] Generated Node #0,1: 76:[35, 78, 16] Operation: 99-83=16 Moving to Node #0,1 Current State: 76:[35, 78, 16], Operations: ['99-83=16'] Exploring Operation: 35-16=19, Resulting Numbers: [78, 19] Generated Node #0,1,0: 76:[78, 19] Operation: 35-16=19 Exploring Operation: 78-35=43, Resulting Numbers: [16, 43] Generated Node #0,1,1: 76:[16, 43] Operation: 78-35=43 Moving to Node #0,0 Current State: 76:[35, 83, 21], Operations: ['99-78=21'] Exploring Operation: 83-35=48, Resulting Numbers: [21, 48] Generated Node #0,0,0: 76:[21, 48] Operation: 83-35=48 Exploring Operation: 35-21=14, Resulting Numbers: [83, 14] Generated Node #0,0,1: 76:[83, 14] Operation: 35-21=14 Moving to Node #0,1,0 Current State: 76:[78, 19], Operations: ['99-83=16', '35-16=19'] Exploring Operation: 78-19=59, Resulting Numbers: [59] 59,76 unequal: No Solution Exploring Operation: 78+19=97, Resulting Numbers: [97] 97,76 unequal: No Solution Moving to Node #0,1,1 Current State: 76:[16, 43], Operations: ['99-83=16', '78-35=43'] Exploring Operation: 16+43=59, Resulting Numbers: [59] 59,76 unequal: No Solution Exploring Operation: 43-16=27, Resulting Numbers: [27] 27,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[83, 14], Operations: ['99-78=21', '35-21=14'] Exploring Operation: 83-14=69, Resulting Numbers: [69] 69,76 unequal: No Solution Exploring Operation: 83+14=97, Resulting Numbers: [97] 97,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[21, 48], Operations: ['99-78=21', '83-35=48'] Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,76 unequal: No Solution Exploring Operation: 21+48=69, Resulting Numbers: [69] 69,76 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 5, 61, 35, 53 ]
75
[ "61-53=8", "5*8=40", "35+40=75" ]
Current State: 75:[5, 61, 35, 53], Operations: [] Exploring Operation: 61-53=8, Resulting Numbers: [5, 35, 8] Generated Node #2: [5, 35, 8] from Operation: 61-53=8 Current State: 75:[5, 35, 8], Operations: ['61-53=8'] Exploring Operation: 5*8=40, Resulting Numbers: [35, 40] Generated Node #3: [35, 40] from Operation: 5*8=40 Current State: 75:[35, 40], Operations: ['61-53=8', '5*8=40'] Exploring Operation: 35+40=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[5, 61, 35, 53], Operations: [] Exploring Operation: 53-35=18, Resulting Numbers: [5, 61, 18] Generated Node #0,0: 75:[5, 61, 18] Operation: 53-35=18 Exploring Operation: 61-53=8, Resulting Numbers: [5, 35, 8] Generated Node #0,1: 75:[5, 35, 8] Operation: 61-53=8 Exploring Operation: 35+53=88, Resulting Numbers: [5, 61, 88] Generated Node #0,2: 75:[5, 61, 88] Operation: 35+53=88 Exploring Operation: 61-35=26, Resulting Numbers: [5, 53, 26] Generated Node #0,3: 75:[5, 53, 26] Operation: 61-35=26 Exploring Operation: 35/5=7, Resulting Numbers: [61, 53, 7] Generated Node #0,4: 75:[61, 53, 7] Operation: 35/5=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[5, 35, 8], Operations: ['61-53=8'] Exploring Operation: 35-8=27, Resulting Numbers: [5, 27] Generated Node #0,1,0: 75:[5, 27] Operation: 35-8=27 Exploring Operation: 35-5=30, Resulting Numbers: [8, 30] Generated Node #0,1,1: 75:[8, 30] Operation: 35-5=30 Exploring Operation: 8-5=3, Resulting Numbers: [35, 3] Generated Node #0,1,2: 75:[35, 3] Operation: 8-5=3 Exploring Operation: 35/5=7, Resulting Numbers: [8, 7] Generated Node #0,1,3: 75:[8, 7] Operation: 35/5=7 Exploring Operation: 5+8=13, Resulting Numbers: [35, 13] Generated Node #0,1,4: 75:[35, 13] Operation: 5+8=13 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 75:[5, 27], Operations: ['61-53=8', '35-8=27'] Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,75 unequal: No Solution Exploring Operation: 5*27=135, Resulting Numbers: [135] 135,75 unequal: No Solution Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 75:[8, 7], Operations: ['61-53=8', '35/5=7'] Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,75 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,75 unequal: No Solution Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 75:[8, 30], Operations: ['61-53=8', '35-5=30'] Exploring Operation: 8+30=38, Resulting Numbers: [38] 38,75 unequal: No Solution Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,75 unequal: No Solution Exploring Operation: 8*30=240, Resulting Numbers: [240] 240,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 75:[35, 3], Operations: ['61-53=8', '8-5=3'] Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,75 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,75 unequal: No Solution Exploring Operation: 35*3=105, Resulting Numbers: [105] 105,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 75:[35, 13], Operations: ['61-53=8', '5+8=13'] Exploring Operation: 35*13=455, Resulting Numbers: [455] 455,75 unequal: No Solution Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,75 unequal: No Solution Exploring Operation: 35+13=48, Resulting Numbers: [48] 48,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[5, 61, 18], Operations: ['53-35=18'] Exploring Operation: 5+18=23, Resulting Numbers: [61, 23] Generated Node #0,0,0: 75:[61, 23] Operation: 5+18=23 Exploring Operation: 18-5=13, Resulting Numbers: [61, 13] Generated Node #0,0,1: 75:[61, 13] Operation: 18-5=13 Exploring Operation: 5+61=66, Resulting Numbers: [18, 66] Generated Node #0,0,2: 75:[18, 66] Operation: 5+61=66 Exploring Operation: 61+18=79, Resulting Numbers: [5, 79] Generated Node #0,0,3: 75:[5, 79] Operation: 61+18=79 Exploring Operation: 61-18=43, Resulting Numbers: [5, 43] Generated Node #0,0,4: 75:[5, 43] Operation: 61-18=43 Moving to Node #0,0,3 Current State: 75:[5, 79], Operations: ['53-35=18', '61+18=79'] Exploring Operation: 5+79=84, Resulting Numbers: [84] 84,75 unequal: No Solution Exploring Operation: 79-5=74, Resulting Numbers: [74] 74,75 unequal: No Solution Exploring Operation: 5*79=395, Resulting Numbers: [395] 395,75 unequal: No Solution Moving to Node #0,0,2 Current State: 75:[18, 66], Operations: ['53-35=18', '5+61=66'] Exploring Operation: 18*66=1188, Resulting Numbers: [1188] 1188,75 unequal: No Solution Exploring Operation: 18+66=84, Resulting Numbers: [84] 84,75 unequal: No Solution Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[61, 23], Operations: ['53-35=18', '5+18=23'] Exploring Operation: 61*23=1403, Resulting Numbers: [1403] 1403,75 unequal: No Solution Exploring Operation: 61+23=84, Resulting Numbers: [84] 84,75 unequal: No Solution Exploring Operation: 61-23=38, Resulting Numbers: [38] 38,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[61, 13], Operations: ['53-35=18', '18-5=13'] Exploring Operation: 61-13=48, Resulting Numbers: [48] 48,75 unequal: No Solution Exploring Operation: 61+13=74, Resulting Numbers: [74] 74,75 unequal: No Solution Exploring Operation: 61*13=793, Resulting Numbers: [793] 793,75 unequal: No Solution Moving to Node #0,0,4 Current State: 75:[5, 43], Operations: ['53-35=18', '61-18=43'] Exploring Operation: 5*43=215, Resulting Numbers: [215] 215,75 unequal: No Solution Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,75 unequal: No Solution Exploring Operation: 5+43=48, Resulting Numbers: [48] 48,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 75:[5, 53, 26], Operations: ['61-35=26'] Exploring Operation: 26-5=21, Resulting Numbers: [53, 21] Generated Node #0,3,0: 75:[53, 21] Operation: 26-5=21 Exploring Operation: 5+53=58, Resulting Numbers: [26, 58] Generated Node #0,3,1: 75:[26, 58] Operation: 5+53=58 Exploring Operation: 53-26=27, Resulting Numbers: [5, 27] Generated Node #0,3,2: 75:[5, 27] Operation: 53-26=27 Exploring Operation: 53-5=48, Resulting Numbers: [26, 48] Generated Node #0,3,3: 75:[26, 48] Operation: 53-5=48 Exploring Operation: 53+26=79, Resulting Numbers: [5, 79] Generated Node #0,3,4: 75:[5, 79] Operation: 53+26=79 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 75:[5, 27], Operations: ['61-35=26', '53-26=27'] Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,75 unequal: No Solution Exploring Operation: 5*27=135, Resulting Numbers: [135] 135,75 unequal: No Solution Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 75:[5, 79], Operations: ['61-35=26', '53+26=79'] Exploring Operation: 79-5=74, Resulting Numbers: [74] 74,75 unequal: No Solution Exploring Operation: 5+79=84, Resulting Numbers: [84] 84,75 unequal: No Solution Exploring Operation: 5*79=395, Resulting Numbers: [395] 395,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 75:[26, 58], Operations: ['61-35=26', '5+53=58'] Exploring Operation: 58-26=32, Resulting Numbers: [32] 32,75 unequal: No Solution Exploring Operation: 26*58=1508, Resulting Numbers: [1508] 1508,75 unequal: No Solution Exploring Operation: 26+58=84, Resulting Numbers: [84] 84,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 75:[26, 48], Operations: ['61-35=26', '53-5=48'] Exploring Operation: 26+48=74, Resulting Numbers: [74] 74,75 unequal: No Solution Exploring Operation: 26*48=1248, Resulting Numbers: [1248] 1248,75 unequal: No Solution Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 75:[53, 21], Operations: ['61-35=26', '26-5=21'] Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,75 unequal: No Solution Exploring Operation: 53*21=1113, Resulting Numbers: [1113] 1113,75 unequal: No Solution Exploring Operation: 53+21=74, Resulting Numbers: [74] 74,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[5, 61, 88], Operations: ['35+53=88'] Exploring Operation: 61-5=56, Resulting Numbers: [88, 56] Generated Node #0,2,0: 75:[88, 56] Operation: 61-5=56 Exploring Operation: 88-61=27, Resulting Numbers: [5, 27] Generated Node #0,2,1: 75:[5, 27] Operation: 88-61=27 Exploring Operation: 5+61=66, Resulting Numbers: [88, 66] Generated Node #0,2,2: 75:[88, 66] Operation: 5+61=66 Exploring Operation: 5+88=93, Resulting Numbers: [61, 93] Generated Node #0,2,3: 75:[61, 93] Operation: 5+88=93 Exploring Operation: 88-5=83, Resulting Numbers: [61, 83] Generated Node #0,2,4: 75:[61, 83] Operation: 88-5=83 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 75:[5, 27], Operations: ['35+53=88', '88-61=27'] Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,75 unequal: No Solution Exploring Operation: 5*27=135, Resulting Numbers: [135] 135,75 unequal: No Solution Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 75:[88, 66], Operations: ['35+53=88', '5+61=66'] Exploring Operation: 88*66=5808, Resulting Numbers: [5808] 5808,75 unequal: No Solution Exploring Operation: 88+66=154, Resulting Numbers: [154] 154,75 unequal: No Solution Exploring Operation: 88-66=22, Resulting Numbers: [22] 22,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 75:[61, 83], Operations: ['35+53=88', '88-5=83'] Exploring Operation: 61+83=144, Resulting Numbers: [144] 144,75 unequal: No Solution Exploring Operation: 83-61=22, Resulting Numbers: [22] 22,75 unequal: No Solution Exploring Operation: 61*83=5063, Resulting Numbers: [5063] 5063,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 75:[88, 56], Operations: ['35+53=88', '61-5=56'] Exploring Operation: 88-56=32, Resulting Numbers: [32] 32,75 unequal: No Solution Exploring Operation: 88+56=144, Resulting Numbers: [144] 144,75 unequal: No Solution Exploring Operation: 88*56=4928, Resulting Numbers: [4928] 4928,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 75:[61, 93], Operations: ['35+53=88', '5+88=93'] Exploring Operation: 93-61=32, Resulting Numbers: [32] 32,75 unequal: No Solution Exploring Operation: 61+93=154, Resulting Numbers: [154] 154,75 unequal: No Solution Exploring Operation: 61*93=5673, Resulting Numbers: [5673] 5673,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 75:[61, 53, 7], Operations: ['35/5=7'] Exploring Operation: 53-7=46, Resulting Numbers: [61, 46] Generated Node #0,4,0: 75:[61, 46] Operation: 53-7=46 Exploring Operation: 53+7=60, Resulting Numbers: [61, 60] Generated Node #0,4,1: 75:[61, 60] Operation: 53+7=60 Exploring Operation: 61+53=114, Resulting Numbers: [7, 114] Generated Node #0,4,2: 75:[7, 114] Operation: 61+53=114 Exploring Operation: 61+7=68, Resulting Numbers: [53, 68] Generated Node #0,4,3: 75:[53, 68] Operation: 61+7=68 Exploring Operation: 61-53=8, Resulting Numbers: [7, 8] Generated Node #0,4,4: 75:[7, 8] Operation: 61-53=8 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 75:[7, 8], Operations: ['35/5=7', '61-53=8'] Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,75 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 75:[61, 60], Operations: ['35/5=7', '53+7=60'] Exploring Operation: 61+60=121, Resulting Numbers: [121] 121,75 unequal: No Solution Exploring Operation: 61-60=1, Resulting Numbers: [1] 1,75 unequal: No Solution Exploring Operation: 61*60=3660, Resulting Numbers: [3660] 3660,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 75:[53, 68], Operations: ['35/5=7', '61+7=68'] Exploring Operation: 68-53=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 53*68=3604, Resulting Numbers: [3604] 3604,75 unequal: No Solution Exploring Operation: 53+68=121, Resulting Numbers: [121] 121,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 75:[61, 46], Operations: ['35/5=7', '53-7=46'] Exploring Operation: 61+46=107, Resulting Numbers: [107] 107,75 unequal: No Solution Exploring Operation: 61-46=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 61*46=2806, Resulting Numbers: [2806] 2806,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 75:[7, 114], Operations: ['35/5=7', '61+53=114'] Exploring Operation: 7+114=121, Resulting Numbers: [121] 121,75 unequal: No Solution Exploring Operation: 114-7=107, Resulting Numbers: [107] 107,75 unequal: No Solution Exploring Operation: 7*114=798, Resulting Numbers: [798] 798,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 31, 52, 13, 84 ]
92
[ "52-31=21", "84-13=71", "21+71=92" ]
Current State: 92:[31, 52, 13, 84], Operations: [] Exploring Operation: 52-31=21, Resulting Numbers: [13, 84, 21] Generated Node #2: [13, 84, 21] from Operation: 52-31=21 Current State: 92:[13, 84, 21], Operations: ['52-31=21'] Exploring Operation: 84-13=71, Resulting Numbers: [21, 71] Generated Node #3: [21, 71] from Operation: 84-13=71 Current State: 92:[21, 71], Operations: ['52-31=21', '84-13=71'] Exploring Operation: 21+71=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[31, 52, 13, 84], Operations: [] Exploring Operation: 31-13=18, Resulting Numbers: [52, 84, 18] Generated Node #0,0: 92:[52, 84, 18] Operation: 31-13=18 Exploring Operation: 52/13=4, Resulting Numbers: [31, 84, 4] Generated Node #0,1: 92:[31, 84, 4] Operation: 52/13=4 Exploring Operation: 31+13=44, Resulting Numbers: [52, 84, 44] Generated Node #0,2: 92:[52, 84, 44] Operation: 31+13=44 Exploring Operation: 52-31=21, Resulting Numbers: [13, 84, 21] Generated Node #0,3: 92:[13, 84, 21] Operation: 52-31=21 Moving to Node #0,1 Current State: 92:[31, 84, 4], Operations: ['52/13=4'] Exploring Operation: 84/4=21, Resulting Numbers: [31, 21] Generated Node #0,1,0: 92:[31, 21] Operation: 84/4=21 Exploring Operation: 84-31=53, Resulting Numbers: [4, 53] Generated Node #0,1,1: 92:[4, 53] Operation: 84-31=53 Exploring Operation: 84+4=88, Resulting Numbers: [31, 88] Generated Node #0,1,2: 92:[31, 88] Operation: 84+4=88 Exploring Operation: 31-4=27, Resulting Numbers: [84, 27] Generated Node #0,1,3: 92:[84, 27] Operation: 31-4=27 Moving to Node #0,2 Current State: 92:[52, 84, 44], Operations: ['31+13=44'] Exploring Operation: 84-52=32, Resulting Numbers: [44, 32] Generated Node #0,2,0: 92:[44, 32] Operation: 84-52=32 Exploring Operation: 52+44=96, Resulting Numbers: [84, 96] Generated Node #0,2,1: 92:[84, 96] Operation: 52+44=96 Exploring Operation: 84-44=40, Resulting Numbers: [52, 40] Generated Node #0,2,2: 92:[52, 40] Operation: 84-44=40 Exploring Operation: 52-44=8, Resulting Numbers: [84, 8] Generated Node #0,2,3: 92:[84, 8] Operation: 52-44=8 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 92:[44, 32], Operations: ['31+13=44', '84-52=32'] Exploring Operation: 44-32=12, Resulting Numbers: [12] 12,92 unequal: No Solution Exploring Operation: 44*32=1408, Resulting Numbers: [1408] 1408,92 unequal: No Solution Exploring Operation: 44+32=76, Resulting Numbers: [76] 76,92 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 #0,2,1 Current State: 92:[84, 96], Operations: ['31+13=44', '52+44=96'] Exploring Operation: 84*96=8064, Resulting Numbers: [8064] 8064,92 unequal: No Solution Exploring Operation: 96-84=12, Resulting Numbers: [12] 12,92 unequal: No Solution Exploring Operation: 84+96=180, Resulting Numbers: [180] 180,92 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 #0,2,2 Current State: 92:[52, 40], Operations: ['31+13=44', '84-44=40'] Exploring Operation: 52+40=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[31, 52, 13, 84], Operations: [] Exploring Operation: 31+13=44, Resulting Numbers: [52, 84, 44] Generated Node #0,2: 92:[52, 84, 44] Operation: 31+13=44 Moving to Node #0,2 Current State: 92:[52, 84, 44], Operations: ['31+13=44'] Exploring Operation: 84-44=40, Resulting Numbers: [52, 40] Generated Node #0,2,2: 92:[52, 40] Operation: 84-44=40 Moving to Node #0,2,2 Current State: 92:[52, 40], Operations: ['31+13=44', '84-44=40'] Exploring Operation: 52+40=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
mult_heuristic
[ 1, 34, 2, 75 ]
58
[ "1*34=34", "34/2=17", "75-17=58" ]
Current State: 58:[1, 34, 2, 75], Operations: [] Exploring Operation: 1*34=34, Resulting Numbers: [2, 75, 34] Generated Node #2: [2, 75, 34] from Operation: 1*34=34 Current State: 58:[2, 75, 34], Operations: ['1*34=34'] Exploring Operation: 34/2=17, Resulting Numbers: [75, 17] Generated Node #3: [75, 17] from Operation: 34/2=17 Current State: 58:[75, 17], Operations: ['1*34=34', '34/2=17'] Exploring Operation: 75-17=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[1, 34, 2, 75], Operations: [] Exploring Operation: 75-2=73, Resulting Numbers: [1, 34, 73] Generated Node #0,0: 58:[1, 34, 73] Operation: 75-2=73 Exploring Operation: 34-2=32, Resulting Numbers: [1, 75, 32] Generated Node #0,1: 58:[1, 75, 32] Operation: 34-2=32 Exploring Operation: 75-34=41, Resulting Numbers: [1, 2, 41] Generated Node #0,2: 58:[1, 2, 41] Operation: 75-34=41 Exploring Operation: 75-1=74, Resulting Numbers: [34, 2, 74] Generated Node #0,3: 58:[34, 2, 74] Operation: 75-1=74 Exploring Operation: 34-1=33, Resulting Numbers: [2, 75, 33] Generated Node #0,4: 58:[2, 75, 33] Operation: 34-1=33 Moving to Node #0,2 Current State: 58:[1, 2, 41], Operations: ['75-34=41'] Exploring Operation: 41-1=40, Resulting Numbers: [2, 40] Generated Node #0,2,0: 58:[2, 40] Operation: 41-1=40 Exploring Operation: 1*2=2, Resulting Numbers: [41, 2] Generated Node #0,2,1: 58:[41, 2] Operation: 1*2=2 Exploring Operation: 1*41=41, Resulting Numbers: [2, 41] Generated Node #0,2,2: 58:[2, 41] Operation: 1*41=41 Exploring Operation: 2/1=2, Resulting Numbers: [41, 2] Generated Node #0,2,3: 58:[41, 2] Operation: 2/1=2 Exploring Operation: 41-2=39, Resulting Numbers: [1, 39] Generated Node #0,2,4: 58:[1, 39] Operation: 41-2=39 Moving to Node #0,1 Current State: 58:[1, 75, 32], Operations: ['34-2=32'] Exploring Operation: 75-32=43, Resulting Numbers: [1, 43] Generated Node #0,1,0: 58:[1, 43] Operation: 75-32=43 Exploring Operation: 75-1=74, Resulting Numbers: [32, 74] Generated Node #0,1,1: 58:[32, 74] Operation: 75-1=74 Exploring Operation: 1*75=75, Resulting Numbers: [32, 75] Generated Node #0,1,2: 58:[32, 75] Operation: 1*75=75 Exploring Operation: 32-1=31, Resulting Numbers: [75, 31] Generated Node #0,1,3: 58:[75, 31] Operation: 32-1=31 Exploring Operation: 75/1=75, Resulting Numbers: [32, 75] Generated Node #0,1,4: 58:[32, 75] Operation: 75/1=75 Moving to Node #0,4 Current State: 58:[2, 75, 33], Operations: ['34-1=33'] Exploring Operation: 75-2=73, Resulting Numbers: [33, 73] Generated Node #0,4,0: 58:[33, 73] Operation: 75-2=73 Exploring Operation: 2+75=77, Resulting Numbers: [33, 77] Generated Node #0,4,1: 58:[33, 77] Operation: 2+75=77 Exploring Operation: 2+33=35, Resulting Numbers: [75, 35] Generated Node #0,4,2: 58:[75, 35] Operation: 2+33=35 Exploring Operation: 33-2=31, Resulting Numbers: [75, 31] Generated Node #0,4,3: 58:[75, 31] Operation: 33-2=31 Exploring Operation: 75-33=42, Resulting Numbers: [2, 42] Generated Node #0,4,4: 58:[2, 42] Operation: 75-33=42 Moving to Node #0,0 Current State: 58:[1, 34, 73], Operations: ['75-2=73'] Exploring Operation: 1*34=34, Resulting Numbers: [73, 34] Generated Node #0,0,0: 58:[73, 34] Operation: 1*34=34 Exploring Operation: 73-34=39, Resulting Numbers: [1, 39] Generated Node #0,0,1: 58:[1, 39] Operation: 73-34=39 Exploring Operation: 34/1=34, Resulting Numbers: [73, 34] Generated Node #0,0,2: 58:[73, 34] Operation: 34/1=34 Exploring Operation: 73-1=72, Resulting Numbers: [34, 72] Generated Node #0,0,3: 58:[34, 72] Operation: 73-1=72 Exploring Operation: 34-1=33, Resulting Numbers: [73, 33] Generated Node #0,0,4: 58:[73, 33] Operation: 34-1=33 Moving to Node #0,3 Current State: 58:[34, 2, 74], Operations: ['75-1=74'] Exploring Operation: 74-34=40, Resulting Numbers: [2, 40] Generated Node #0,3,0: 58:[2, 40] Operation: 74-34=40 Exploring Operation: 34-2=32, Resulting Numbers: [74, 32] Generated Node #0,3,1: 58:[74, 32] Operation: 34-2=32 Exploring Operation: 74-2=72, Resulting Numbers: [34, 72] Generated Node #0,3,2: 58:[34, 72] Operation: 74-2=72 Exploring Operation: 34+2=36, Resulting Numbers: [74, 36] Generated Node #0,3,3: 58:[74, 36] Operation: 34+2=36 Exploring Operation: 74/2=37, Resulting Numbers: [34, 37] Generated Node #0,3,4: 58:[34, 37] Operation: 74/2=37 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 58:[2, 40], Operations: ['75-1=74', '74-34=40'] Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,58 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,58 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,58 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,58 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 #0,3,4 Current State: 58:[34, 37], Operations: ['75-1=74', '74/2=37'] Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 34+37=71, Resulting Numbers: [71] 71,58 unequal: No Solution Exploring Operation: 34*37=1258, Resulting Numbers: [1258] 1258,58 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 #0,3,1 Current State: 58:[74, 32], Operations: ['75-1=74', '34-2=32'] Exploring Operation: 74-32=42, Resulting Numbers: [42] 42,58 unequal: No Solution Exploring Operation: 74+32=106, Resulting Numbers: [106] 106,58 unequal: No Solution Exploring Operation: 74*32=2368, Resulting Numbers: [2368] 2368,58 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 #0,3,2 Current State: 58:[34, 72], Operations: ['75-1=74', '74-2=72'] Exploring Operation: 72-34=38, Resulting Numbers: [38] 38,58 unequal: No Solution Exploring Operation: 34+72=106, Resulting Numbers: [106] 106,58 unequal: No Solution Exploring Operation: 34*72=2448, Resulting Numbers: [2448] 2448,58 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 #0,3,3 Current State: 58:[74, 36], Operations: ['75-1=74', '34+2=36'] Exploring Operation: 74+36=110, Resulting Numbers: [110] 110,58 unequal: No Solution Exploring Operation: 74*36=2664, Resulting Numbers: [2664] 2664,58 unequal: No Solution Exploring Operation: 74-36=38, Resulting Numbers: [38] 38,58 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: 58:[2, 40], Operations: ['75-34=41', '41-1=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,58 unequal: No Solution Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,58 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,58 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,58 unequal: No Solution Moving to Node #0,2,4 Current State: 58:[1, 39], Operations: ['75-34=41', '41-2=39'] Exploring Operation: 1+39=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,58 unequal: No Solution Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 1*39=39, Resulting Numbers: [39] 39,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[1, 39], Operations: ['75-2=73', '73-34=39'] Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,58 unequal: No Solution Exploring Operation: 1+39=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 1*39=39, Resulting Numbers: [39] 39,58 unequal: No Solution Moving to Node #0,2,1 Current State: 58:[41, 2], Operations: ['75-34=41', '1*2=2'] Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,58 unequal: No Solution Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,58 unequal: No Solution Moving to Node #0,2,3 Current State: 58:[41, 2], Operations: ['75-34=41', '2/1=2'] Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,58 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,58 unequal: No Solution Moving to Node #0,2,2 Current State: 58:[2, 41], Operations: ['75-34=41', '1*41=41'] Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,58 unequal: No Solution Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,58 unequal: No Solution Moving to Node #0,4,4 Current State: 58:[2, 42], Operations: ['34-1=33', '75-33=42'] Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,58 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,58 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,58 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[1, 43], Operations: ['34-2=32', '75-32=43'] Exploring Operation: 43/1=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,58 unequal: No Solution Exploring Operation: 1+43=44, Resulting Numbers: [44] 44,58 unequal: No Solution Exploring Operation: 1*43=43, Resulting Numbers: [43] 43,58 unequal: No Solution Moving to Node #0,1,1 Current State: 58:[32, 74], Operations: ['34-2=32', '75-1=74'] Exploring Operation: 32*74=2368, Resulting Numbers: [2368] 2368,58 unequal: No Solution Exploring Operation: 32+74=106, Resulting Numbers: [106] 106,58 unequal: No Solution Exploring Operation: 74-32=42, Resulting Numbers: [42] 42,58 unequal: No Solution Moving to Node #0,4,3 Current State: 58:[75, 31], Operations: ['34-1=33', '33-2=31'] Exploring Operation: 75-31=44, Resulting Numbers: [44] 44,58 unequal: No Solution Exploring Operation: 75+31=106, Resulting Numbers: [106] 106,58 unequal: No Solution Exploring Operation: 75*31=2325, Resulting Numbers: [2325] 2325,58 unequal: No Solution Moving to Node #0,4,0 Current State: 58:[33, 73], Operations: ['34-1=33', '75-2=73'] Exploring Operation: 33*73=2409, Resulting Numbers: [2409] 2409,58 unequal: No Solution Exploring Operation: 33+73=106, Resulting Numbers: [106] 106,58 unequal: No Solution Exploring Operation: 73-33=40, Resulting Numbers: [40] 40,58 unequal: No Solution Moving to Node #0,1,3 Current State: 58:[75, 31], Operations: ['34-2=32', '32-1=31'] Exploring Operation: 75-31=44, Resulting Numbers: [44] 44,58 unequal: No Solution Exploring Operation: 75+31=106, Resulting Numbers: [106] 106,58 unequal: No Solution Exploring Operation: 75*31=2325, Resulting Numbers: [2325] 2325,58 unequal: No Solution Moving to Node #0,0,4 Current State: 58:[73, 33], Operations: ['75-2=73', '34-1=33'] Exploring Operation: 73+33=106, Resulting Numbers: [106] 106,58 unequal: No Solution Exploring Operation: 73*33=2409, Resulting Numbers: [2409] 2409,58 unequal: No Solution Exploring Operation: 73-33=40, Resulting Numbers: [40] 40,58 unequal: No Solution Moving to Node #0,0,3 Current State: 58:[34, 72], Operations: ['75-2=73', '73-1=72'] Exploring Operation: 34+72=106, Resulting Numbers: [106] 106,58 unequal: No Solution Exploring Operation: 72-34=38, Resulting Numbers: [38] 38,58 unequal: No Solution Exploring Operation: 34*72=2448, Resulting Numbers: [2448] 2448,58 unequal: No Solution Moving to Node #0,1,2 Current State: 58:[32, 75], Operations: ['34-2=32', '1*75=75'] Exploring Operation: 32*75=2400, Resulting Numbers: [2400] 2400,58 unequal: No Solution Exploring Operation: 75-32=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 32+75=107, Resulting Numbers: [107] 107,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[73, 34], Operations: ['75-2=73', '1*34=34'] Exploring Operation: 73-34=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 73+34=107, Resulting Numbers: [107] 107,58 unequal: No Solution Exploring Operation: 73*34=2482, Resulting Numbers: [2482] 2482,58 unequal: No Solution Moving to Node #0,0,2 Current State: 58:[73, 34], Operations: ['75-2=73', '34/1=34'] Exploring Operation: 73-34=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 73*34=2482, Resulting Numbers: [2482] 2482,58 unequal: No Solution Exploring Operation: 73+34=107, Resulting Numbers: [107] 107,58 unequal: No Solution Moving to Node #0,1,4 Current State: 58:[32, 75], Operations: ['34-2=32', '75/1=75'] Exploring Operation: 32*75=2400, Resulting Numbers: [2400] 2400,58 unequal: No Solution Exploring Operation: 32+75=107, Resulting Numbers: [107] 107,58 unequal: No Solution Exploring Operation: 75-32=43, Resulting Numbers: [43] 43,58 unequal: No Solution Moving to Node #0,4,1 Current State: 58:[33, 77], Operations: ['34-1=33', '2+75=77'] Exploring Operation: 77-33=44, Resulting Numbers: [44] 44,58 unequal: No Solution Exploring Operation: 33*77=2541, Resulting Numbers: [2541] 2541,58 unequal: No Solution Exploring Operation: 33+77=110, Resulting Numbers: [110] 110,58 unequal: No Solution Moving to Node #0,4,2 Current State: 58:[75, 35], Operations: ['34-1=33', '2+33=35'] Exploring Operation: 75+35=110, Resulting Numbers: [110] 110,58 unequal: No Solution Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 75*35=2625, Resulting Numbers: [2625] 2625,58 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 37, 40, 82, 85 ]
71
[ "85-82=3", "37*3=111", "111-40=71" ]
Current State: 71:[37, 40, 82, 85], Operations: [] Exploring Operation: 85-82=3, Resulting Numbers: [37, 40, 3] Generated Node #2: [37, 40, 3] from Operation: 85-82=3 Current State: 71:[37, 40, 3], Operations: ['85-82=3'] Exploring Operation: 37*3=111, Resulting Numbers: [40, 111] Generated Node #3: [40, 111] from Operation: 37*3=111 Current State: 71:[40, 111], Operations: ['85-82=3', '37*3=111'] Exploring Operation: 111-40=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[37, 40, 82, 85], Operations: [] Exploring Operation: 37+40=77, Resulting Numbers: [82, 85, 77] Generated Node #0,0: 71:[82, 85, 77] Operation: 37+40=77 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[82, 85, 77], Operations: ['37+40=77'] Exploring Operation: 85-82=3, Resulting Numbers: [77, 3] Generated Node #0,0,0: 71:[77, 3] Operation: 85-82=3 Moving to Node #0,0,0 Current State: 71:[77, 3], Operations: ['37+40=77', '85-82=3'] Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 30, 32, 87, 50 ]
62
[ "32-30=2", "50/2=25", "87-25=62" ]
Current State: 62:[30, 32, 87, 50], Operations: [] Exploring Operation: 32-30=2, Resulting Numbers: [87, 50, 2] Generated Node #2: [87, 50, 2] from Operation: 32-30=2 Current State: 62:[87, 50, 2], Operations: ['32-30=2'] Exploring Operation: 50/2=25, Resulting Numbers: [87, 25] Generated Node #3: [87, 25] from Operation: 50/2=25 Current State: 62:[87, 25], Operations: ['32-30=2', '50/2=25'] Exploring Operation: 87-25=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[30, 32, 87, 50], Operations: [] Exploring Operation: 87-30=57, Resulting Numbers: [32, 50, 57] Generated Node #0,0: 62:[32, 50, 57] Operation: 87-30=57 Exploring Operation: 87-50=37, Resulting Numbers: [30, 32, 37] Generated Node #0,1: 62:[30, 32, 37] Operation: 87-50=37 Moving to Node #0,1 Current State: 62:[30, 32, 37], Operations: ['87-50=37'] Exploring Operation: 37-32=5, Resulting Numbers: [30, 5] Generated Node #0,1,0: 62:[30, 5] Operation: 37-32=5 Exploring Operation: 30+32=62, Resulting Numbers: [37, 62] Generated Node #0,1,1: 62:[37, 62] Operation: 30+32=62 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[30, 5], Operations: ['87-50=37', '37-32=5'] Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 62:[37, 62], Operations: ['87-50=37', '30+32=62'] Exploring Operation: 37+62=99, Resulting Numbers: [99] 99,62 unequal: No Solution Exploring Operation: 62-37=25, Resulting Numbers: [25] 25,62 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: 62:[32, 50, 57], Operations: ['87-30=57'] Exploring Operation: 50-32=18, Resulting Numbers: [57, 18] Generated Node #0,0,0: 62:[57, 18] Operation: 50-32=18 Exploring Operation: 57-50=7, Resulting Numbers: [32, 7] Generated Node #0,0,1: 62:[32, 7] Operation: 57-50=7 Moving to Node #0,0,1 Current State: 62:[32, 7], Operations: ['87-30=57', '57-50=7'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,62 unequal: No Solution Exploring Operation: 32+7=39, Resulting Numbers: [39] 39,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[57, 18], Operations: ['87-30=57', '50-32=18'] Exploring Operation: 57+18=75, Resulting Numbers: [75] 75,62 unequal: No Solution Exploring Operation: 57-18=39, Resulting Numbers: [39] 39,62 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 15, 71, 33, 38 ]
81
[ "15+71=86", "38-33=5", "86-5=81" ]
Current State: 81:[15, 71, 33, 38], Operations: [] Exploring Operation: 15+71=86, Resulting Numbers: [33, 38, 86] Generated Node #2: [33, 38, 86] from Operation: 15+71=86 Current State: 81:[33, 38, 86], Operations: ['15+71=86'] Exploring Operation: 38-33=5, Resulting Numbers: [86, 5] Generated Node #3: [86, 5] from Operation: 38-33=5 Current State: 81:[86, 5], Operations: ['15+71=86', '38-33=5'] Exploring Operation: 86-5=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[15, 71, 33, 38], Operations: [] Exploring Operation: 71-38=33, Resulting Numbers: [15, 33, 33] Generated Node #0,0: 81:[15, 33, 33] Operation: 71-38=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[15, 33, 33], Operations: ['71-38=33'] Exploring Operation: 33/33=1, Resulting Numbers: [15, 1] Generated Node #0,0,0: 81:[15, 1] Operation: 33/33=1 Moving to Node #0,0,0 Current State: 81:[15, 1], Operations: ['71-38=33', '33/33=1'] Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 34, 4, 8, 31 ]
20
[ "34-8=26", "31-26=5", "4*5=20" ]
Current State: 20:[34, 4, 8, 31], Operations: [] Exploring Operation: 34-8=26, Resulting Numbers: [4, 31, 26] Generated Node #2: [4, 31, 26] from Operation: 34-8=26 Current State: 20:[4, 31, 26], Operations: ['34-8=26'] Exploring Operation: 31-26=5, Resulting Numbers: [4, 5] Generated Node #3: [4, 5] from Operation: 31-26=5 Current State: 20:[4, 5], Operations: ['34-8=26', '31-26=5'] Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[34, 4, 8, 31], Operations: [] Exploring Operation: 34-8=26, Resulting Numbers: [4, 31, 26] Generated Node #0,0: 20:[4, 31, 26] Operation: 34-8=26 Exploring Operation: 34-31=3, Resulting Numbers: [4, 8, 3] Generated Node #0,1: 20:[4, 8, 3] Operation: 34-31=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[4, 8, 3], Operations: ['34-31=3'] Exploring Operation: 8-3=5, Resulting Numbers: [4, 5] Generated Node #0,1,0: 20:[4, 5] Operation: 8-3=5 Exploring Operation: 8-4=4, Resulting Numbers: [3, 4] Generated Node #0,1,1: 20:[3, 4] Operation: 8-4=4 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 20:[4, 5], Operations: ['34-31=3', '8-3=5'] Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[34, 4, 8, 31], Operations: [] Exploring Operation: 34-31=3, Resulting Numbers: [4, 8, 3] Generated Node #0,1: 20:[4, 8, 3] Operation: 34-31=3 Moving to Node #0,1 Current State: 20:[4, 8, 3], Operations: ['34-31=3'] Exploring Operation: 8-3=5, Resulting Numbers: [4, 5] Generated Node #0,1,0: 20:[4, 5] Operation: 8-3=5 Moving to Node #0,1,0 Current State: 20:[4, 5], Operations: ['34-31=3', '8-3=5'] Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 44, 51, 8, 5 ]
96
[ "51-44=7", "5+7=12", "8*12=96" ]
Current State: 96:[44, 51, 8, 5], Operations: [] Exploring Operation: 51-44=7, Resulting Numbers: [8, 5, 7] Generated Node #2: [8, 5, 7] from Operation: 51-44=7 Current State: 96:[8, 5, 7], Operations: ['51-44=7'] Exploring Operation: 5+7=12, Resulting Numbers: [8, 12] Generated Node #3: [8, 12] from Operation: 5+7=12 Current State: 96:[8, 12], Operations: ['51-44=7', '5+7=12'] Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[44, 51, 8, 5], Operations: [] Exploring Operation: 44+51=95, Resulting Numbers: [8, 5, 95] Generated Node #0,0: 96:[8, 5, 95] Operation: 44+51=95 Moving to Node #0,0 Current State: 96:[8, 5, 95], Operations: ['44+51=95'] Exploring Operation: 8-5=3, Resulting Numbers: [95, 3] Generated Node #0,0,0: 96:[95, 3] Operation: 8-5=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[95, 3], Operations: ['44+51=95', '8-5=3'] Exploring Operation: 95+3=98, Resulting Numbers: [98] 98,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 2, 1, 80, 16 ]
10
[ "2*1=2", "80/16=5", "2*5=10" ]
Current State: 10:[2, 1, 80, 16], Operations: [] Exploring Operation: 2*1=2, Resulting Numbers: [80, 16, 2] Generated Node #2: [80, 16, 2] from Operation: 2*1=2 Current State: 10:[80, 16, 2], Operations: ['2*1=2'] Exploring Operation: 80/16=5, Resulting Numbers: [2, 5] Generated Node #3: [2, 5] from Operation: 80/16=5 Current State: 10:[2, 5], Operations: ['2*1=2', '80/16=5'] Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[2, 1, 80, 16], Operations: [] Exploring Operation: 80/2=40, Resulting Numbers: [1, 16, 40] Generated Node #0,0: 10:[1, 16, 40] Operation: 80/2=40 Exploring Operation: 80/16=5, Resulting Numbers: [2, 1, 5] Generated Node #0,1: 10:[2, 1, 5] Operation: 80/16=5 Exploring Operation: 80-16=64, Resulting Numbers: [2, 1, 64] Generated Node #0,2: 10:[2, 1, 64] Operation: 80-16=64 Exploring Operation: 16/2=8, Resulting Numbers: [1, 80, 8] Generated Node #0,3: 10:[1, 80, 8] Operation: 16/2=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[2, 1, 5], Operations: ['80/16=5'] Exploring Operation: 1*5=5, Resulting Numbers: [2, 5] Generated Node #0,1,0: 10:[2, 5] Operation: 1*5=5 Exploring Operation: 2*1=2, Resulting Numbers: [5, 2] Generated Node #0,1,1: 10:[5, 2] Operation: 2*1=2 Exploring Operation: 5/1=5, Resulting Numbers: [2, 5] Generated Node #0,1,2: 10:[2, 5] Operation: 5/1=5 Exploring Operation: 2/1=2, Resulting Numbers: [5, 2] Generated Node #0,1,3: 10:[5, 2] Operation: 2/1=2 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 10:[2, 5], Operations: ['80/16=5', '1*5=5'] Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[2, 1, 80, 16], Operations: [] Exploring Operation: 80/16=5, Resulting Numbers: [2, 1, 5] Generated Node #0,1: 10:[2, 1, 5] Operation: 80/16=5 Moving to Node #0,1 Current State: 10:[2, 1, 5], Operations: ['80/16=5'] Exploring Operation: 1*5=5, Resulting Numbers: [2, 5] Generated Node #0,1,0: 10:[2, 5] Operation: 1*5=5 Moving to Node #0,1,0 Current State: 10:[2, 5], Operations: ['80/16=5', '1*5=5'] Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 76, 32, 59, 68 ]
19
[ "76+32=108", "59+68=127", "127-108=19" ]
Current State: 19:[76, 32, 59, 68], Operations: [] Exploring Operation: 76+32=108, Resulting Numbers: [59, 68, 108] Generated Node #2: [59, 68, 108] from Operation: 76+32=108 Current State: 19:[59, 68, 108], Operations: ['76+32=108'] Exploring Operation: 59+68=127, Resulting Numbers: [108, 127] Generated Node #3: [108, 127] from Operation: 59+68=127 Current State: 19:[108, 127], Operations: ['76+32=108', '59+68=127'] Exploring Operation: 127-108=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[76, 32, 59, 68], Operations: [] Exploring Operation: 76-59=17, Resulting Numbers: [32, 68, 17] Generated Node #0,0: 19:[32, 68, 17] Operation: 76-59=17 Exploring Operation: 76-32=44, Resulting Numbers: [59, 68, 44] Generated Node #0,1: 19:[59, 68, 44] Operation: 76-32=44 Exploring Operation: 76-68=8, Resulting Numbers: [32, 59, 8] Generated Node #0,2: 19:[32, 59, 8] Operation: 76-68=8 Exploring Operation: 68-59=9, Resulting Numbers: [76, 32, 9] Generated Node #0,3: 19:[76, 32, 9] Operation: 68-59=9 Moving to Node #0,0 Current State: 19:[32, 68, 17], Operations: ['76-59=17'] Exploring Operation: 32-17=15, Resulting Numbers: [68, 15] Generated Node #0,0,0: 19:[68, 15] Operation: 32-17=15 Exploring Operation: 68/17=4, Resulting Numbers: [32, 4] Generated Node #0,0,1: 19:[32, 4] Operation: 68/17=4 Exploring Operation: 68-32=36, Resulting Numbers: [17, 36] Generated Node #0,0,2: 19:[17, 36] Operation: 68-32=36 Exploring Operation: 68-17=51, Resulting Numbers: [32, 51] Generated Node #0,0,3: 19:[32, 51] Operation: 68-17=51 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[17, 36], Operations: ['76-59=17', '68-32=36'] Exploring Operation: 17+36=53, Resulting Numbers: [53] 53,19 unequal: No Solution Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[76, 32, 59, 68], Operations: [] Exploring Operation: 76-59=17, Resulting Numbers: [32, 68, 17] Generated Node #0,0: 19:[32, 68, 17] Operation: 76-59=17 Moving to Node #0,0 Current State: 19:[32, 68, 17], Operations: ['76-59=17'] Exploring Operation: 68-32=36, Resulting Numbers: [17, 36] Generated Node #0,0,2: 19:[17, 36] Operation: 68-32=36 Moving to Node #0,0,2 Current State: 19:[17, 36], Operations: ['76-59=17', '68-32=36'] Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 56, 1, 12, 18 ]
86
[ "56*1=56", "12+18=30", "56+30=86" ]
Current State: 86:[56, 1, 12, 18], Operations: [] Exploring Operation: 56*1=56, Resulting Numbers: [12, 18, 56] Generated Node #2: [12, 18, 56] from Operation: 56*1=56 Current State: 86:[12, 18, 56], Operations: ['56*1=56'] Exploring Operation: 12+18=30, Resulting Numbers: [56, 30] Generated Node #3: [56, 30] from Operation: 12+18=30 Current State: 86:[56, 30], Operations: ['56*1=56', '12+18=30'] Exploring Operation: 56+30=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[56, 1, 12, 18], Operations: [] Exploring Operation: 56-18=38, Resulting Numbers: [1, 12, 38] Generated Node #0,0: 86:[1, 12, 38] Operation: 56-18=38 Exploring Operation: 56-12=44, Resulting Numbers: [1, 18, 44] Generated Node #0,1: 86:[1, 18, 44] Operation: 56-12=44 Exploring Operation: 18-12=6, Resulting Numbers: [56, 1, 6] Generated Node #0,2: 86:[56, 1, 6] Operation: 18-12=6 Exploring Operation: 12+18=30, Resulting Numbers: [56, 1, 30] Generated Node #0,3: 86:[56, 1, 30] Operation: 12+18=30 Exploring Operation: 56+18=74, Resulting Numbers: [1, 12, 74] Generated Node #0,4: 86:[1, 12, 74] Operation: 56+18=74 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[1, 12, 38], Operations: ['56-18=38'] Exploring Operation: 12+38=50, Resulting Numbers: [1, 50] Generated Node #0,0,0: 86:[1, 50] Operation: 12+38=50 Exploring Operation: 1*12=12, Resulting Numbers: [38, 12] Generated Node #0,0,1: 86:[38, 12] Operation: 1*12=12 Exploring Operation: 1+38=39, Resulting Numbers: [12, 39] Generated Node #0,0,2: 86:[12, 39] Operation: 1+38=39 Exploring Operation: 12-1=11, Resulting Numbers: [38, 11] Generated Node #0,0,3: 86:[38, 11] Operation: 12-1=11 Exploring Operation: 12/1=12, Resulting Numbers: [38, 12] Generated Node #0,0,4: 86:[38, 12] Operation: 12/1=12 Moving to Node #0,0,0 Current State: 86:[1, 50], Operations: ['56-18=38', '12+38=50'] Exploring Operation: 1*50=50, Resulting Numbers: [50] 50,86 unequal: No Solution Exploring Operation: 50-1=49, Resulting Numbers: [49] 49,86 unequal: No Solution Exploring Operation: 1+50=51, Resulting Numbers: [51] 51,86 unequal: No Solution Exploring Operation: 50/1=50, Resulting Numbers: [50] 50,86 unequal: No Solution Moving to Node #0,0,3 Current State: 86:[38, 11], Operations: ['56-18=38', '12-1=11'] Exploring Operation: 38+11=49, Resulting Numbers: [49] 49,86 unequal: No Solution Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,86 unequal: No Solution Exploring Operation: 38*11=418, Resulting Numbers: [418] 418,86 unequal: No Solution Moving to Node #0,0,2 Current State: 86:[12, 39], Operations: ['56-18=38', '1+38=39'] Exploring Operation: 12+39=51, Resulting Numbers: [51] 51,86 unequal: No Solution Exploring Operation: 12*39=468, Resulting Numbers: [468] 468,86 unequal: No Solution Exploring Operation: 39-12=27, Resulting Numbers: [27] 27,86 unequal: No Solution Moving to Node #0,0,1 Current State: 86:[38, 12], Operations: ['56-18=38', '1*12=12'] Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,86 unequal: No Solution Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,86 unequal: No Solution Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,86 unequal: No Solution Moving to Node #0,0,4 Current State: 86:[38, 12], Operations: ['56-18=38', '12/1=12'] Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,86 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,86 unequal: No Solution Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,86 unequal: No Solution No 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: 86:[1, 18, 44], Operations: ['56-12=44'] Exploring Operation: 18-1=17, Resulting Numbers: [44, 17] Generated Node #0,1,0: 86:[44, 17] Operation: 18-1=17 Exploring Operation: 18/1=18, Resulting Numbers: [44, 18] Generated Node #0,1,1: 86:[44, 18] Operation: 18/1=18 Exploring Operation: 44-1=43, Resulting Numbers: [18, 43] Generated Node #0,1,2: 86:[18, 43] Operation: 44-1=43 Exploring Operation: 1*18=18, Resulting Numbers: [44, 18] Generated Node #0,1,3: 86:[44, 18] Operation: 1*18=18 Exploring Operation: 1*44=44, Resulting Numbers: [18, 44] Generated Node #0,1,4: 86:[18, 44] Operation: 1*44=44 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 86:[44, 17], Operations: ['56-12=44', '18-1=17'] Exploring Operation: 44*17=748, Resulting Numbers: [748] 748,86 unequal: No Solution Exploring Operation: 44-17=27, Resulting Numbers: [27] 27,86 unequal: No Solution Exploring Operation: 44+17=61, Resulting Numbers: [61] 61,86 unequal: No Solution No 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: 86:[18, 43], Operations: ['56-12=44', '44-1=43'] Exploring Operation: 18*43=774, Resulting Numbers: [774] 774,86 unequal: No Solution Exploring Operation: 43-18=25, Resulting Numbers: [25] 25,86 unequal: No Solution Exploring Operation: 18+43=61, Resulting Numbers: [61] 61,86 unequal: No Solution No 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: 86:[44, 18], Operations: ['56-12=44', '18/1=18'] Exploring Operation: 44*18=792, Resulting Numbers: [792] 792,86 unequal: No Solution Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,86 unequal: No Solution Exploring Operation: 44+18=62, Resulting Numbers: [62] 62,86 unequal: No Solution No 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: 86:[44, 18], Operations: ['56-12=44', '1*18=18'] Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,86 unequal: No Solution Exploring Operation: 44+18=62, Resulting Numbers: [62] 62,86 unequal: No Solution Exploring Operation: 44*18=792, Resulting Numbers: [792] 792,86 unequal: No Solution No 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: 86:[18, 44], Operations: ['56-12=44', '1*44=44'] Exploring Operation: 18+44=62, Resulting Numbers: [62] 62,86 unequal: No Solution Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,86 unequal: No Solution Exploring Operation: 18*44=792, Resulting Numbers: [792] 792,86 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: 86:[56, 1, 6], Operations: ['18-12=6'] Exploring Operation: 56-1=55, Resulting Numbers: [6, 55] Generated Node #0,2,0: 86:[6, 55] Operation: 56-1=55 Exploring Operation: 56/1=56, Resulting Numbers: [6, 56] Generated Node #0,2,1: 86:[6, 56] Operation: 56/1=56 Exploring Operation: 6-1=5, Resulting Numbers: [56, 5] Generated Node #0,2,2: 86:[56, 5] Operation: 6-1=5 Exploring Operation: 56*1=56, Resulting Numbers: [6, 56] Generated Node #0,2,3: 86:[6, 56] Operation: 56*1=56 Exploring Operation: 56-6=50, Resulting Numbers: [1, 50] Generated Node #0,2,4: 86:[1, 50] Operation: 56-6=50 Moving to Node #0,2,4 Current State: 86:[1, 50], Operations: ['18-12=6', '56-6=50'] Exploring Operation: 1+50=51, Resulting Numbers: [51] 51,86 unequal: No Solution Exploring Operation: 1*50=50, Resulting Numbers: [50] 50,86 unequal: No Solution Exploring Operation: 50/1=50, Resulting Numbers: [50] 50,86 unequal: No Solution Exploring Operation: 50-1=49, Resulting Numbers: [49] 49,86 unequal: No Solution Moving to Node #0,2,2 Current State: 86:[56, 5], Operations: ['18-12=6', '6-1=5'] Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,86 unequal: No Solution Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,86 unequal: No Solution Exploring Operation: 56*5=280, Resulting Numbers: [280] 280,86 unequal: No Solution Moving to Node #0,2,0 Current State: 86:[6, 55], Operations: ['18-12=6', '56-1=55'] Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,86 unequal: No Solution Exploring Operation: 6+55=61, Resulting Numbers: [61] 61,86 unequal: No Solution Exploring Operation: 6*55=330, Resulting Numbers: [330] 330,86 unequal: No Solution Moving to Node #0,2,1 Current State: 86:[6, 56], Operations: ['18-12=6', '56/1=56'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,86 unequal: No Solution Exploring Operation: 6*56=336, Resulting Numbers: [336] 336,86 unequal: No Solution Exploring Operation: 6+56=62, Resulting Numbers: [62] 62,86 unequal: No Solution Moving to Node #0,2,3 Current State: 86:[6, 56], Operations: ['18-12=6', '56*1=56'] Exploring Operation: 6*56=336, Resulting Numbers: [336] 336,86 unequal: No Solution Exploring Operation: 6+56=62, Resulting Numbers: [62] 62,86 unequal: No Solution Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,86 unequal: No Solution No 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: 86:[1, 12, 74], Operations: ['56+18=74'] Exploring Operation: 74-12=62, Resulting Numbers: [1, 62] Generated Node #0,4,0: 86:[1, 62] Operation: 74-12=62 Exploring Operation: 1+74=75, Resulting Numbers: [12, 75] Generated Node #0,4,1: 86:[12, 75] Operation: 1+74=75 Exploring Operation: 12+74=86, Resulting Numbers: [1, 86] Generated Node #0,4,2: 86:[1, 86] Operation: 12+74=86 Exploring Operation: 1*12=12, Resulting Numbers: [74, 12] Generated Node #0,4,3: 86:[74, 12] Operation: 1*12=12 Exploring Operation: 12-1=11, Resulting Numbers: [74, 11] Generated Node #0,4,4: 86:[74, 11] Operation: 12-1=11 Moving to Node #0,4,2 Current State: 86:[1, 86], Operations: ['56+18=74', '12+74=86'] Exploring Operation: 1+86=87, Resulting Numbers: [87] 87,86 unequal: No Solution Exploring Operation: 86-1=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 86/1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[56, 1, 12, 18], Operations: [] Exploring Operation: 56+18=74, Resulting Numbers: [1, 12, 74] Generated Node #0,4: 86:[1, 12, 74] Operation: 56+18=74 Moving to Node #0,4 Current State: 86:[1, 12, 74], Operations: ['56+18=74'] Exploring Operation: 12+74=86, Resulting Numbers: [1, 86] Generated Node #0,4,2: 86:[1, 86] Operation: 12+74=86 Moving to Node #0,4,2 Current State: 86:[1, 86], Operations: ['56+18=74', '12+74=86'] Exploring Operation: 86/1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.931424
hs_5
sum_heuristic
[ 51, 88, 90, 83 ]
34
[ "51+88=139", "90+83=173", "173-139=34" ]
Current State: 34:[51, 88, 90, 83], Operations: [] Exploring Operation: 51+88=139, Resulting Numbers: [90, 83, 139] Generated Node #2: [90, 83, 139] from Operation: 51+88=139 Current State: 34:[90, 83, 139], Operations: ['51+88=139'] Exploring Operation: 90+83=173, Resulting Numbers: [139, 173] Generated Node #3: [139, 173] from Operation: 90+83=173 Current State: 34:[139, 173], Operations: ['51+88=139', '90+83=173'] Exploring Operation: 173-139=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[51, 88, 90, 83], Operations: [] Exploring Operation: 88-51=37, Resulting Numbers: [90, 83, 37] Generated Node #0,0: 34:[90, 83, 37] Operation: 88-51=37 Exploring Operation: 88-83=5, Resulting Numbers: [51, 90, 5] Generated Node #0,1: 34:[51, 90, 5] Operation: 88-83=5 Exploring Operation: 90-83=7, Resulting Numbers: [51, 88, 7] Generated Node #0,2: 34:[51, 88, 7] Operation: 90-83=7 Exploring Operation: 90-88=2, Resulting Numbers: [51, 83, 2] Generated Node #0,3: 34:[51, 83, 2] Operation: 90-88=2 Moving to Node #0,3 Current State: 34:[51, 83, 2], Operations: ['90-88=2'] Exploring Operation: 83-2=81, Resulting Numbers: [51, 81] Generated Node #0,3,0: 34:[51, 81] Operation: 83-2=81 Exploring Operation: 83-51=32, Resulting Numbers: [2, 32] Generated Node #0,3,1: 34:[2, 32] Operation: 83-51=32 Exploring Operation: 51+2=53, Resulting Numbers: [83, 53] Generated Node #0,3,2: 34:[83, 53] Operation: 51+2=53 Exploring Operation: 51-2=49, Resulting Numbers: [83, 49] Generated Node #0,3,3: 34:[83, 49] Operation: 51-2=49 Moving to Node #0,2 Current State: 34:[51, 88, 7], Operations: ['90-83=7'] Exploring Operation: 51-7=44, Resulting Numbers: [88, 44] Generated Node #0,2,0: 34:[88, 44] Operation: 51-7=44 Exploring Operation: 51+7=58, Resulting Numbers: [88, 58] Generated Node #0,2,1: 34:[88, 58] Operation: 51+7=58 Exploring Operation: 88-7=81, Resulting Numbers: [51, 81] Generated Node #0,2,2: 34:[51, 81] Operation: 88-7=81 Exploring Operation: 88-51=37, Resulting Numbers: [7, 37] Generated Node #0,2,3: 34:[7, 37] Operation: 88-51=37 Moving to Node #0,1 Current State: 34:[51, 90, 5], Operations: ['88-83=5'] Exploring Operation: 90-51=39, Resulting Numbers: [5, 39] Generated Node #0,1,0: 34:[5, 39] Operation: 90-51=39 Exploring Operation: 90-5=85, Resulting Numbers: [51, 85] Generated Node #0,1,1: 34:[51, 85] Operation: 90-5=85 Exploring Operation: 51-5=46, Resulting Numbers: [90, 46] Generated Node #0,1,2: 34:[90, 46] Operation: 51-5=46 Exploring Operation: 90/5=18, Resulting Numbers: [51, 18] Generated Node #0,1,3: 34:[51, 18] Operation: 90/5=18 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[5, 39], Operations: ['88-83=5', '90-51=39'] Exploring Operation: 5*39=195, Resulting Numbers: [195] 195,34 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[51, 88, 90, 83], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [51, 90, 5] Generated Node #0,1: 34:[51, 90, 5] Operation: 88-83=5 Moving to Node #0,1 Current State: 34:[51, 90, 5], Operations: ['88-83=5'] Exploring Operation: 90-51=39, Resulting Numbers: [5, 39] Generated Node #0,1,0: 34:[5, 39] Operation: 90-51=39 Moving to Node #0,1,0 Current State: 34:[5, 39], Operations: ['88-83=5', '90-51=39'] Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
mult_heuristic
[ 48, 28, 94, 21 ]
58
[ "48*21=1008", "1008/28=36", "94-36=58" ]
Current State: 58:[48, 28, 94, 21], Operations: [] Exploring Operation: 48*21=1008, Resulting Numbers: [28, 94, 1008] Generated Node #2: [28, 94, 1008] from Operation: 48*21=1008 Current State: 58:[28, 94, 1008], Operations: ['48*21=1008'] Exploring Operation: 1008/28=36, Resulting Numbers: [94, 36] Generated Node #3: [94, 36] from Operation: 1008/28=36 Current State: 58:[94, 36], Operations: ['48*21=1008', '1008/28=36'] Exploring Operation: 94-36=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[48, 28, 94, 21], Operations: [] Exploring Operation: 94-28=66, Resulting Numbers: [48, 21, 66] Generated Node #0,0: 58:[48, 21, 66] Operation: 94-28=66 Exploring Operation: 94-48=46, Resulting Numbers: [28, 21, 46] Generated Node #0,1: 58:[28, 21, 46] Operation: 94-48=46 Exploring Operation: 94-21=73, Resulting Numbers: [48, 28, 73] Generated Node #0,2: 58:[48, 28, 73] Operation: 94-21=73 Moving to Node #0,1 Current State: 58:[28, 21, 46], Operations: ['94-48=46'] Exploring Operation: 46-21=25, Resulting Numbers: [28, 25] Generated Node #0,1,0: 58:[28, 25] Operation: 46-21=25 Exploring Operation: 21+46=67, Resulting Numbers: [28, 67] Generated Node #0,1,1: 58:[28, 67] Operation: 21+46=67 Exploring Operation: 28-21=7, Resulting Numbers: [46, 7] Generated Node #0,1,2: 58:[46, 7] Operation: 28-21=7 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[28, 25], Operations: ['94-48=46', '46-21=25'] Exploring Operation: 28-25=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 28+25=53, Resulting Numbers: [53] 53,58 unequal: No Solution Exploring Operation: 28*25=700, Resulting Numbers: [700] 700,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[28, 67], Operations: ['94-48=46', '21+46=67'] Exploring Operation: 28*67=1876, Resulting Numbers: [1876] 1876,58 unequal: No Solution Exploring Operation: 67-28=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 28+67=95, Resulting Numbers: [95] 95,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 58:[46, 7], Operations: ['94-48=46', '28-21=7'] Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 46+7=53, Resulting Numbers: [53] 53,58 unequal: No Solution Exploring Operation: 46*7=322, Resulting Numbers: [322] 322,58 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:[48, 21, 66], Operations: ['94-28=66'] Exploring Operation: 66-48=18, Resulting Numbers: [21, 18] Generated Node #0,0,0: 58:[21, 18] Operation: 66-48=18 Exploring Operation: 48+21=69, Resulting Numbers: [66, 69] Generated Node #0,0,1: 58:[66, 69] Operation: 48+21=69 Exploring Operation: 48-21=27, Resulting Numbers: [66, 27] Generated Node #0,0,2: 58:[66, 27] Operation: 48-21=27 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 58:[66, 27], Operations: ['94-28=66', '48-21=27'] Exploring Operation: 66-27=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 66+27=93, Resulting Numbers: [93] 93,58 unequal: No Solution Exploring Operation: 66*27=1782, Resulting Numbers: [1782] 1782,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[21, 18], Operations: ['94-28=66', '66-48=18'] Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 21+18=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 21*18=378, Resulting Numbers: [378] 378,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 58:[66, 69], Operations: ['94-28=66', '48+21=69'] Exploring Operation: 69-66=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 66*69=4554, Resulting Numbers: [4554] 4554,58 unequal: No Solution Exploring Operation: 66+69=135, Resulting Numbers: [135] 135,58 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: 58:[48, 28, 73], Operations: ['94-21=73'] Exploring Operation: 73-48=25, Resulting Numbers: [28, 25] Generated Node #0,2,0: 58:[28, 25] Operation: 73-48=25 Exploring Operation: 48-28=20, Resulting Numbers: [73, 20] Generated Node #0,2,1: 58:[73, 20] Operation: 48-28=20 Exploring Operation: 73-28=45, Resulting Numbers: [48, 45] Generated Node #0,2,2: 58:[48, 45] Operation: 73-28=45 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 58:[28, 25], Operations: ['94-21=73', '73-48=25'] Exploring Operation: 28*25=700, Resulting Numbers: [700] 700,58 unequal: No Solution Exploring Operation: 28+25=53, Resulting Numbers: [53] 53,58 unequal: No Solution Exploring Operation: 28-25=3, Resulting Numbers: [3] 3,58 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:[48, 45], Operations: ['94-21=73', '73-28=45'] Exploring Operation: 48*45=2160, Resulting Numbers: [2160] 2160,58 unequal: No Solution Exploring Operation: 48-45=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 48+45=93, Resulting Numbers: [93] 93,58 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:[73, 20], Operations: ['94-21=73', '48-28=20'] Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,58 unequal: No Solution Exploring Operation: 73*20=1460, Resulting Numbers: [1460] 1460,58 unequal: No Solution Exploring Operation: 73+20=93, Resulting Numbers: [93] 93,58 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
[ 9, 96, 42, 21 ]
89
[ "96-9=87", "42/21=2", "87+2=89" ]
Current State: 89:[9, 96, 42, 21], Operations: [] Exploring Operation: 96-9=87, Resulting Numbers: [42, 21, 87] Generated Node #2: [42, 21, 87] from Operation: 96-9=87 Current State: 89:[42, 21, 87], Operations: ['96-9=87'] Exploring Operation: 42/21=2, Resulting Numbers: [87, 2] Generated Node #3: [87, 2] from Operation: 42/21=2 Current State: 89:[87, 2], Operations: ['96-9=87', '42/21=2'] Exploring Operation: 87+2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[9, 96, 42, 21], Operations: [] Exploring Operation: 9+42=51, Resulting Numbers: [96, 21, 51] Generated Node #0,0: 89:[96, 21, 51] Operation: 9+42=51 Moving to Node #0,0 Current State: 89:[96, 21, 51], Operations: ['9+42=51'] Exploring Operation: 21+51=72, Resulting Numbers: [96, 72] Generated Node #0,0,0: 89:[96, 72] Operation: 21+51=72 Moving to Node #0,0,0 Current State: 89:[96, 72], Operations: ['9+42=51', '21+51=72'] Exploring Operation: 96-72=24, Resulting Numbers: [24] 24,89 unequal: No Solution No solution found.
0
hs_1
sum_heuristic