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
[ 5, 17, 95, 36 ]
46
[ "5*17=85", "95+36=131", "131-85=46" ]
Current State: 46:[5, 17, 95, 36], Operations: [] Exploring Operation: 5*17=85, Resulting Numbers: [95, 36, 85] Generated Node #2: [95, 36, 85] from Operation: 5*17=85 Current State: 46:[95, 36, 85], Operations: ['5*17=85'] Exploring Operation: 95+36=131, Resulting Numbers: [85, 131] Generated Node #3: [85, 131] from Operation: 95+36=131 Current State: 46:[85, 131], Operations: ['5*17=85', '95+36=131'] Exploring Operation: 131-85=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[5, 17, 95, 36], Operations: [] Exploring Operation: 95-36=59, Resulting Numbers: [5, 17, 59] Generated Node #0,0: 46:[5, 17, 59] Operation: 95-36=59 Exploring Operation: 95/5=19, Resulting Numbers: [17, 36, 19] Generated Node #0,1: 46:[17, 36, 19] Operation: 95/5=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[17, 36, 19], Operations: ['95/5=19'] Exploring Operation: 36-17=19, Resulting Numbers: [19, 19] Generated Node #0,1,0: 46:[19, 19] Operation: 36-17=19 Exploring Operation: 19-17=2, Resulting Numbers: [36, 2] Generated Node #0,1,1: 46:[36, 2] Operation: 19-17=2 Moving to Node #0,1,0 Current State: 46:[19, 19], Operations: ['95/5=19', '36-17=19'] Exploring Operation: 19-19=0, Resulting Numbers: [0] 0,46 unequal: No Solution Exploring Operation: 19/19=1, Resulting Numbers: [1] 1,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[36, 2], Operations: ['95/5=19', '19-17=2'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,46 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 Current State: 46:[5, 17, 59], Operations: ['95-36=59'] Exploring Operation: 5+17=22, Resulting Numbers: [59, 22] Generated Node #0,0,0: 46:[59, 22] Operation: 5+17=22 Exploring Operation: 59-17=42, Resulting Numbers: [5, 42] Generated Node #0,0,1: 46:[5, 42] Operation: 59-17=42 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 46:[5, 42], Operations: ['95-36=59', '59-17=42'] Exploring Operation: 5+42=47, Resulting Numbers: [47] 47,46 unequal: No Solution Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 46:[59, 22], Operations: ['95-36=59', '5+17=22'] Exploring Operation: 59-22=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 59+22=81, Resulting Numbers: [81] 81,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 20, 37, 51, 71 ]
30
[ "20*51=1020", "71-37=34", "1020/34=30" ]
Current State: 30:[20, 37, 51, 71], Operations: [] Exploring Operation: 20*51=1020, Resulting Numbers: [37, 71, 1020] Generated Node #2: [37, 71, 1020] from Operation: 20*51=1020 Current State: 30:[37, 71, 1020], Operations: ['20*51=1020'] Exploring Operation: 71-37=34, Resulting Numbers: [1020, 34] Generated Node #3: [1020, 34] from Operation: 71-37=34 Current State: 30:[1020, 34], Operations: ['20*51=1020', '71-37=34'] Exploring Operation: 1020/34=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[20, 37, 51, 71], Operations: [] Exploring Operation: 71-51=20, Resulting Numbers: [20, 37, 20] Generated Node #0,0: 30:[20, 37, 20] Operation: 71-51=20 Exploring Operation: 71-37=34, Resulting Numbers: [20, 51, 34] Generated Node #0,1: 30:[20, 51, 34] Operation: 71-37=34 Moving to Node #0,0 Current State: 30:[20, 37, 20], Operations: ['71-51=20'] Exploring Operation: 37-20=17, Resulting Numbers: [20, 17] Generated Node #0,0,0: 30:[20, 17] Operation: 37-20=17 Exploring Operation: 37-20=17, Resulting Numbers: [20, 17] Generated Node #0,0,1: 30:[20, 17] Operation: 37-20=17 Moving to Node #0,1 Current State: 30:[20, 51, 34], Operations: ['71-37=34'] Exploring Operation: 51-20=31, Resulting Numbers: [34, 31] Generated Node #0,1,0: 30:[34, 31] Operation: 51-20=31 Exploring Operation: 51-34=17, Resulting Numbers: [20, 17] Generated Node #0,1,1: 30:[20, 17] Operation: 51-34=17 Moving to Node #0,1,0 Current State: 30:[34, 31], Operations: ['71-37=34', '51-20=31'] Exploring Operation: 34-31=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 34+31=65, Resulting Numbers: [65] 65,30 unequal: No Solution Moving to Node #0,0,0 Current State: 30:[20, 17], Operations: ['71-51=20', '37-20=17'] Exploring Operation: 20+17=37, Resulting Numbers: [37] 37,30 unequal: No Solution Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,30 unequal: No Solution Moving to Node #0,0,1 Current State: 30:[20, 17], Operations: ['71-51=20', '37-20=17'] Exploring Operation: 20+17=37, Resulting Numbers: [37] 37,30 unequal: No Solution Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,30 unequal: No Solution Moving to Node #0,1,1 Current State: 30:[20, 17], Operations: ['71-37=34', '51-34=17'] Exploring Operation: 20+17=37, Resulting Numbers: [37] 37,30 unequal: No Solution Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,30 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 59, 95, 4, 32 ]
23
[ "95-59=36", "36/4=9", "32-9=23" ]
Current State: 23:[59, 95, 4, 32], Operations: [] Exploring Operation: 95-59=36, Resulting Numbers: [4, 32, 36] Generated Node #2: [4, 32, 36] from Operation: 95-59=36 Current State: 23:[4, 32, 36], Operations: ['95-59=36'] Exploring Operation: 36/4=9, Resulting Numbers: [32, 9] Generated Node #3: [32, 9] from Operation: 36/4=9 Current State: 23:[32, 9], Operations: ['95-59=36', '36/4=9'] Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[59, 95, 4, 32], Operations: [] Exploring Operation: 59-32=27, Resulting Numbers: [95, 4, 27] Generated Node #0,0: 23:[95, 4, 27] Operation: 59-32=27 Exploring Operation: 95-59=36, Resulting Numbers: [4, 32, 36] Generated Node #0,1: 23:[4, 32, 36] Operation: 95-59=36 Exploring Operation: 95-32=63, Resulting Numbers: [59, 4, 63] Generated Node #0,2: 23:[59, 4, 63] Operation: 95-32=63 Moving to Node #0,1 Current State: 23:[4, 32, 36], Operations: ['95-59=36'] Exploring Operation: 36/4=9, Resulting Numbers: [32, 9] Generated Node #0,1,0: 23:[32, 9] Operation: 36/4=9 Exploring Operation: 32-4=28, Resulting Numbers: [36, 28] Generated Node #0,1,1: 23:[36, 28] Operation: 32-4=28 Exploring Operation: 36-4=32, Resulting Numbers: [32, 32] Generated Node #0,1,2: 23:[32, 32] Operation: 36-4=32 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[36, 28], Operations: ['95-59=36', '32-4=28'] Exploring Operation: 36+28=64, Resulting Numbers: [64] 64,23 unequal: No Solution Exploring Operation: 36-28=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 36*28=1008, Resulting Numbers: [1008] 1008,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 23:[32, 32], Operations: ['95-59=36', '36-4=32'] Exploring Operation: 32-32=0, Resulting Numbers: [0] 0,23 unequal: No Solution Exploring Operation: 32+32=64, Resulting Numbers: [64] 64,23 unequal: No Solution Exploring Operation: 32/32=1, Resulting Numbers: [1] 1,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 23:[32, 9], Operations: ['95-59=36', '36/4=9'] Exploring Operation: 32*9=288, Resulting Numbers: [288] 288,23 unequal: No Solution Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[59, 95, 4, 32], Operations: [] Exploring Operation: 95-59=36, Resulting Numbers: [4, 32, 36] Generated Node #0,1: 23:[4, 32, 36] Operation: 95-59=36 Moving to Node #0,1 Current State: 23:[4, 32, 36], Operations: ['95-59=36'] Exploring Operation: 36/4=9, Resulting Numbers: [32, 9] Generated Node #0,1,0: 23:[32, 9] Operation: 36/4=9 Moving to Node #0,1,0 Current State: 23:[32, 9], Operations: ['95-59=36', '36/4=9'] Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 55, 10, 45, 43 ]
50
[ "45-43=2", "10/2=5", "55-5=50" ]
Current State: 50:[55, 10, 45, 43], Operations: [] Exploring Operation: 45-43=2, Resulting Numbers: [55, 10, 2] Generated Node #2: [55, 10, 2] from Operation: 45-43=2 Current State: 50:[55, 10, 2], Operations: ['45-43=2'] Exploring Operation: 10/2=5, Resulting Numbers: [55, 5] Generated Node #3: [55, 5] from Operation: 10/2=5 Current State: 50:[55, 5], Operations: ['45-43=2', '10/2=5'] Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[55, 10, 45, 43], Operations: [] Exploring Operation: 55-43=12, Resulting Numbers: [10, 45, 12] Generated Node #0,0: 50:[10, 45, 12] Operation: 55-43=12 Exploring Operation: 55-10=45, Resulting Numbers: [45, 43, 45] Generated Node #0,1: 50:[45, 43, 45] Operation: 55-10=45 Exploring Operation: 55-45=10, Resulting Numbers: [10, 43, 10] Generated Node #0,2: 50:[10, 43, 10] Operation: 55-45=10 Exploring Operation: 45-43=2, Resulting Numbers: [55, 10, 2] Generated Node #0,3: 50:[55, 10, 2] Operation: 45-43=2 Exploring Operation: 10+43=53, Resulting Numbers: [55, 45, 53] Generated Node #0,4: 50:[55, 45, 53] Operation: 10+43=53 Start Sub Search at level 1: Moving to Node #0,3 Current State: 50:[55, 10, 2], Operations: ['45-43=2'] Exploring Operation: 10/2=5, Resulting Numbers: [55, 5] Generated Node #0,3,0: 50:[55, 5] Operation: 10/2=5 Exploring Operation: 10+2=12, Resulting Numbers: [55, 12] Generated Node #0,3,1: 50:[55, 12] Operation: 10+2=12 Exploring Operation: 55-10=45, Resulting Numbers: [2, 45] Generated Node #0,3,2: 50:[2, 45] Operation: 55-10=45 Exploring Operation: 55-2=53, Resulting Numbers: [10, 53] Generated Node #0,3,3: 50:[10, 53] Operation: 55-2=53 Exploring Operation: 55+2=57, Resulting Numbers: [10, 57] Generated Node #0,3,4: 50:[10, 57] Operation: 55+2=57 Moving to Node #0,3,3 Current State: 50:[10, 53], Operations: ['45-43=2', '55-2=53'] Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,50 unequal: No Solution Exploring Operation: 10*53=530, Resulting Numbers: [530] 530,50 unequal: No Solution Exploring Operation: 10+53=63, Resulting Numbers: [63] 63,50 unequal: No Solution Moving to Node #0,3,2 Current State: 50:[2, 45], Operations: ['45-43=2', '55-10=45'] Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,50 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,50 unequal: No Solution Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,50 unequal: No Solution Moving to Node #0,3,0 Current State: 50:[55, 5], Operations: ['45-43=2', '10/2=5'] Exploring Operation: 55*5=275, Resulting Numbers: [275] 275,50 unequal: No Solution Exploring Operation: 55+5=60, Resulting Numbers: [60] 60,50 unequal: No Solution Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[55, 10, 45, 43], Operations: [] Exploring Operation: 45-43=2, Resulting Numbers: [55, 10, 2] Generated Node #0,3: 50:[55, 10, 2] Operation: 45-43=2 Moving to Node #0,3 Current State: 50:[55, 10, 2], Operations: ['45-43=2'] Exploring Operation: 10/2=5, Resulting Numbers: [55, 5] Generated Node #0,3,0: 50:[55, 5] Operation: 10/2=5 Moving to Node #0,3,0 Current State: 50:[55, 5], Operations: ['45-43=2', '10/2=5'] Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 26, 40, 57, 90 ]
81
[ "26+40=66", "57+90=147", "147-66=81" ]
Current State: 81:[26, 40, 57, 90], Operations: [] Exploring Operation: 26+40=66, Resulting Numbers: [57, 90, 66] Generated Node #2: [57, 90, 66] from Operation: 26+40=66 Current State: 81:[57, 90, 66], Operations: ['26+40=66'] Exploring Operation: 57+90=147, Resulting Numbers: [66, 147] Generated Node #3: [66, 147] from Operation: 57+90=147 Current State: 81:[66, 147], Operations: ['26+40=66', '57+90=147'] Exploring Operation: 147-66=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[26, 40, 57, 90], Operations: [] Exploring Operation: 57-40=17, Resulting Numbers: [26, 90, 17] Generated Node #0,0: 81:[26, 90, 17] Operation: 57-40=17 Exploring Operation: 90-57=33, Resulting Numbers: [26, 40, 33] Generated Node #0,1: 81:[26, 40, 33] Operation: 90-57=33 Exploring Operation: 57-26=31, Resulting Numbers: [40, 90, 31] Generated Node #0,2: 81:[40, 90, 31] Operation: 57-26=31 Exploring Operation: 40+57=97, Resulting Numbers: [26, 90, 97] Generated Node #0,3: 81:[26, 90, 97] Operation: 40+57=97 Exploring Operation: 26+57=83, Resulting Numbers: [40, 90, 83] Generated Node #0,4: 81:[40, 90, 83] Operation: 26+57=83 Moving to Node #0,0 Current State: 81:[26, 90, 17], Operations: ['57-40=17'] Exploring Operation: 90-17=73, Resulting Numbers: [26, 73] Generated Node #0,0,0: 81:[26, 73] Operation: 90-17=73 Exploring Operation: 90+17=107, Resulting Numbers: [26, 107] Generated Node #0,0,1: 81:[26, 107] Operation: 90+17=107 Exploring Operation: 26+17=43, Resulting Numbers: [90, 43] Generated Node #0,0,2: 81:[90, 43] Operation: 26+17=43 Exploring Operation: 90-26=64, Resulting Numbers: [17, 64] Generated Node #0,0,3: 81:[17, 64] Operation: 90-26=64 Exploring Operation: 26-17=9, Resulting Numbers: [90, 9] Generated Node #0,0,4: 81:[90, 9] Operation: 26-17=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[26, 73], Operations: ['57-40=17', '90-17=73'] Exploring Operation: 26*73=1898, Resulting Numbers: [1898] 1898,81 unequal: No Solution Exploring Operation: 73-26=47, Resulting Numbers: [47] 47,81 unequal: No Solution Exploring Operation: 26+73=99, Resulting Numbers: [99] 99,81 unequal: No Solution No 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: 81:[90, 9], Operations: ['57-40=17', '26-17=9'] Exploring Operation: 90+9=99, Resulting Numbers: [99] 99,81 unequal: No Solution Exploring Operation: 90*9=810, Resulting Numbers: [810] 810,81 unequal: No Solution Exploring Operation: 90/9=10, Resulting Numbers: [10] 10,81 unequal: No Solution Exploring Operation: 90-9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[26, 40, 57, 90], Operations: [] Exploring Operation: 57-40=17, Resulting Numbers: [26, 90, 17] Generated Node #0,0: 81:[26, 90, 17] Operation: 57-40=17 Moving to Node #0,0 Current State: 81:[26, 90, 17], Operations: ['57-40=17'] Exploring Operation: 26-17=9, Resulting Numbers: [90, 9] Generated Node #0,0,4: 81:[90, 9] Operation: 26-17=9 Moving to Node #0,0,4 Current State: 81:[90, 9], Operations: ['57-40=17', '26-17=9'] Exploring Operation: 90-9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 11, 79, 1, 74 ]
60
[ "11+1=12", "79-74=5", "12*5=60" ]
Current State: 60:[11, 79, 1, 74], Operations: [] Exploring Operation: 11+1=12, Resulting Numbers: [79, 74, 12] Generated Node #2: [79, 74, 12] from Operation: 11+1=12 Current State: 60:[79, 74, 12], Operations: ['11+1=12'] Exploring Operation: 79-74=5, Resulting Numbers: [12, 5] Generated Node #3: [12, 5] from Operation: 79-74=5 Current State: 60:[12, 5], Operations: ['11+1=12', '79-74=5'] Exploring Operation: 12*5=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[11, 79, 1, 74], Operations: [] Exploring Operation: 79-11=68, Resulting Numbers: [1, 74, 68] Generated Node #0,0: 60:[1, 74, 68] Operation: 79-11=68 Exploring Operation: 11+1=12, Resulting Numbers: [79, 74, 12] Generated Node #0,1: 60:[79, 74, 12] Operation: 11+1=12 Exploring Operation: 74-11=63, Resulting Numbers: [79, 1, 63] Generated Node #0,2: 60:[79, 1, 63] Operation: 74-11=63 Exploring Operation: 79-74=5, Resulting Numbers: [11, 1, 5] Generated Node #0,3: 60:[11, 1, 5] Operation: 79-74=5 Start Sub Search at level 1: Moving to Node #0,3 Current State: 60:[11, 1, 5], Operations: ['79-74=5'] Exploring Operation: 11+1=12, Resulting Numbers: [5, 12] Generated Node #0,3,0: 60:[5, 12] Operation: 11+1=12 Exploring Operation: 11*1=11, Resulting Numbers: [5, 11] Generated Node #0,3,1: 60:[5, 11] Operation: 11*1=11 Exploring Operation: 11/1=11, Resulting Numbers: [5, 11] Generated Node #0,3,2: 60:[5, 11] Operation: 11/1=11 Exploring Operation: 11-1=10, Resulting Numbers: [5, 10] Generated Node #0,3,3: 60:[5, 10] Operation: 11-1=10 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 60:[5, 12], Operations: ['79-74=5', '11+1=12'] Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,60 unequal: No Solution Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[11, 79, 1, 74], Operations: [] Exploring Operation: 79-74=5, Resulting Numbers: [11, 1, 5] Generated Node #0,3: 60:[11, 1, 5] Operation: 79-74=5 Moving to Node #0,3 Current State: 60:[11, 1, 5], Operations: ['79-74=5'] Exploring Operation: 11+1=12, Resulting Numbers: [5, 12] Generated Node #0,3,0: 60:[5, 12] Operation: 11+1=12 Moving to Node #0,3,0 Current State: 60:[5, 12], Operations: ['79-74=5', '11+1=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 8, 33, 72, 28 ]
12
[ "8*33=264", "72+264=336", "336/28=12" ]
Current State: 12:[8, 33, 72, 28], Operations: [] Exploring Operation: 8*33=264, Resulting Numbers: [72, 28, 264] Generated Node #2: [72, 28, 264] from Operation: 8*33=264 Current State: 12:[72, 28, 264], Operations: ['8*33=264'] Exploring Operation: 72+264=336, Resulting Numbers: [28, 336] Generated Node #3: [28, 336] from Operation: 72+264=336 Current State: 12:[28, 336], Operations: ['8*33=264', '72+264=336'] Exploring Operation: 336/28=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[8, 33, 72, 28], Operations: [] Exploring Operation: 72-28=44, Resulting Numbers: [8, 33, 44] Generated Node #0,0: 12:[8, 33, 44] Operation: 72-28=44 Exploring Operation: 72/8=9, Resulting Numbers: [33, 28, 9] Generated Node #0,1: 12:[33, 28, 9] Operation: 72/8=9 Exploring Operation: 72-33=39, Resulting Numbers: [8, 28, 39] Generated Node #0,2: 12:[8, 28, 39] Operation: 72-33=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[33, 28, 9], Operations: ['72/8=9'] Exploring Operation: 33-9=24, Resulting Numbers: [28, 24] Generated Node #0,1,0: 12:[28, 24] Operation: 33-9=24 Exploring Operation: 28-9=19, Resulting Numbers: [33, 19] Generated Node #0,1,1: 12:[33, 19] Operation: 28-9=19 Exploring Operation: 33-28=5, Resulting Numbers: [9, 5] Generated Node #0,1,2: 12:[9, 5] Operation: 33-28=5 Moving to Node #0,1,2 Current State: 12:[9, 5], Operations: ['72/8=9', '33-28=5'] Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,12 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,12 unequal: No Solution Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,12 unequal: No Solution Moving to Node #0,1,0 Current State: 12:[28, 24], Operations: ['72/8=9', '33-9=24'] Exploring Operation: 28*24=672, Resulting Numbers: [672] 672,12 unequal: No Solution Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,12 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,12 unequal: No Solution Moving to Node #0,1,1 Current State: 12:[33, 19], Operations: ['72/8=9', '28-9=19'] Exploring Operation: 33*19=627, Resulting Numbers: [627] 627,12 unequal: No Solution Exploring Operation: 33+19=52, Resulting Numbers: [52] 52,12 unequal: No Solution Exploring Operation: 33-19=14, Resulting Numbers: [14] 14,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 12:[8, 28, 39], Operations: ['72-33=39'] Exploring Operation: 39-28=11, Resulting Numbers: [8, 11] Generated Node #0,2,0: 12:[8, 11] Operation: 39-28=11 Exploring Operation: 28-8=20, Resulting Numbers: [39, 20] Generated Node #0,2,1: 12:[39, 20] Operation: 28-8=20 Exploring Operation: 39-8=31, Resulting Numbers: [28, 31] Generated Node #0,2,2: 12:[28, 31] Operation: 39-8=31 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 12:[8, 11], Operations: ['72-33=39', '39-28=11'] Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,12 unequal: No Solution Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 12:[39, 20], Operations: ['72-33=39', '28-8=20'] Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,12 unequal: No Solution Exploring Operation: 39*20=780, Resulting Numbers: [780] 780,12 unequal: No Solution Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 12:[28, 31], Operations: ['72-33=39', '39-8=31'] Exploring Operation: 28*31=868, Resulting Numbers: [868] 868,12 unequal: No Solution Exploring Operation: 31-28=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 28+31=59, Resulting Numbers: [59] 59,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[8, 33, 44], Operations: ['72-28=44'] Exploring Operation: 44-33=11, Resulting Numbers: [8, 11] Generated Node #0,0,0: 12:[8, 11] Operation: 44-33=11 Exploring Operation: 33-8=25, Resulting Numbers: [44, 25] Generated Node #0,0,1: 12:[44, 25] Operation: 33-8=25 Exploring Operation: 44-8=36, Resulting Numbers: [33, 36] Generated Node #0,0,2: 12:[33, 36] Operation: 44-8=36 Moving to Node #0,0,0 Current State: 12:[8, 11], Operations: ['72-28=44', '44-33=11'] Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,12 unequal: No Solution Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,12 unequal: No Solution Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,12 unequal: No Solution Moving to Node #0,0,1 Current State: 12:[44, 25], Operations: ['72-28=44', '33-8=25'] Exploring Operation: 44+25=69, Resulting Numbers: [69] 69,12 unequal: No Solution Exploring Operation: 44*25=1100, Resulting Numbers: [1100] 1100,12 unequal: No Solution Exploring Operation: 44-25=19, Resulting Numbers: [19] 19,12 unequal: No Solution Moving to Node #0,0,2 Current State: 12:[33, 36], Operations: ['72-28=44', '44-8=36'] Exploring Operation: 33+36=69, Resulting Numbers: [69] 69,12 unequal: No Solution Exploring Operation: 36-33=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 33*36=1188, Resulting Numbers: [1188] 1188,12 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
[ 5, 33, 51, 99 ]
49
[ "51-5=46", "99/33=3", "46+3=49" ]
Current State: 49:[5, 33, 51, 99], Operations: [] Exploring Operation: 51-5=46, Resulting Numbers: [33, 99, 46] Generated Node #2: [33, 99, 46] from Operation: 51-5=46 Current State: 49:[33, 99, 46], Operations: ['51-5=46'] Exploring Operation: 99/33=3, Resulting Numbers: [46, 3] Generated Node #3: [46, 3] from Operation: 99/33=3 Current State: 49:[46, 3], Operations: ['51-5=46', '99/33=3'] Exploring Operation: 46+3=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[5, 33, 51, 99], Operations: [] Exploring Operation: 99/33=3, Resulting Numbers: [5, 51, 3] Generated Node #0,0: 49:[5, 51, 3] Operation: 99/33=3 Exploring Operation: 99-51=48, Resulting Numbers: [5, 33, 48] Generated Node #0,1: 49:[5, 33, 48] Operation: 99-51=48 Moving to Node #0,0 Current State: 49:[5, 51, 3], Operations: ['99/33=3'] Exploring Operation: 5+3=8, Resulting Numbers: [51, 8] Generated Node #0,0,0: 49:[51, 8] Operation: 5+3=8 Exploring Operation: 51-3=48, Resulting Numbers: [5, 48] Generated Node #0,0,1: 49:[5, 48] Operation: 51-3=48 Moving to Node #0,1 Current State: 49:[5, 33, 48], Operations: ['99-51=48'] Exploring Operation: 5+33=38, Resulting Numbers: [48, 38] Generated Node #0,1,0: 49:[48, 38] Operation: 5+33=38 Exploring Operation: 48-33=15, Resulting Numbers: [5, 15] Generated Node #0,1,1: 49:[5, 15] Operation: 48-33=15 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 49:[5, 15], Operations: ['99-51=48', '48-33=15'] Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[48, 38], Operations: ['99-51=48', '5+33=38'] Exploring Operation: 48+38=86, Resulting Numbers: [86] 86,49 unequal: No Solution Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,49 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: 49:[51, 8], Operations: ['99/33=3', '5+3=8'] Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,49 unequal: No Solution Exploring Operation: 51+8=59, Resulting Numbers: [59] 59,49 unequal: No Solution Moving to Node #0,0,1 Current State: 49:[5, 48], Operations: ['99/33=3', '51-3=48'] Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,49 unequal: No Solution Exploring Operation: 5+48=53, Resulting Numbers: [53] 53,49 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 84, 93, 18, 12 ]
39
[ "84+93=177", "18*12=216", "216-177=39" ]
Current State: 39:[84, 93, 18, 12], Operations: [] Exploring Operation: 84+93=177, Resulting Numbers: [18, 12, 177] Generated Node #2: [18, 12, 177] from Operation: 84+93=177 Current State: 39:[18, 12, 177], Operations: ['84+93=177'] Exploring Operation: 18*12=216, Resulting Numbers: [177, 216] Generated Node #3: [177, 216] from Operation: 18*12=216 Current State: 39:[177, 216], Operations: ['84+93=177', '18*12=216'] Exploring Operation: 216-177=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[84, 93, 18, 12], Operations: [] Exploring Operation: 93-84=9, Resulting Numbers: [18, 12, 9] Generated Node #0,0: 39:[18, 12, 9] Operation: 93-84=9 Moving to Node #0,0 Current State: 39:[18, 12, 9], Operations: ['93-84=9'] Exploring Operation: 18/9=2, Resulting Numbers: [12, 2] Generated Node #0,0,0: 39:[12, 2] Operation: 18/9=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[12, 2], Operations: ['93-84=9', '18/9=2'] Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 27, 4, 7, 7 ]
50
[ "4+7=11", "7*11=77", "77-27=50" ]
Current State: 50:[27, 4, 7, 7], Operations: [] Exploring Operation: 4+7=11, Resulting Numbers: [27, 11] Generated Node #2: [27, 11] from Operation: 4+7=11 Current State: 50:[27, 11], Operations: ['4+7=11'] Exploring Operation: 7*11=77, Resulting Numbers: [27, 77] Generated Node #3: [27, 77] from Operation: 7*11=77 Current State: 50:[27, 77], Operations: ['4+7=11', '7*11=77'] Exploring Operation: 77-27=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[27, 4, 7, 7], Operations: [] Exploring Operation: 7*7=49, Resulting Numbers: [27, 4, 49] Generated Node #0,0: 50:[27, 4, 49] Operation: 7*7=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[27, 4, 49], Operations: ['7*7=49'] Exploring Operation: 27-4=23, Resulting Numbers: [49, 23] Generated Node #0,0,0: 50:[49, 23] Operation: 27-4=23 Moving to Node #0,0,0 Current State: 50:[49, 23], Operations: ['7*7=49', '27-4=23'] Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 17, 51, 78, 29 ]
83
[ "51-17=34", "78-29=49", "34+49=83" ]
Current State: 83:[17, 51, 78, 29], Operations: [] Exploring Operation: 51-17=34, Resulting Numbers: [78, 29, 34] Generated Node #2: [78, 29, 34] from Operation: 51-17=34 Current State: 83:[78, 29, 34], Operations: ['51-17=34'] Exploring Operation: 78-29=49, Resulting Numbers: [34, 49] Generated Node #3: [34, 49] from Operation: 78-29=49 Current State: 83:[34, 49], Operations: ['51-17=34', '78-29=49'] Exploring Operation: 34+49=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[17, 51, 78, 29], Operations: [] Exploring Operation: 17+51=68, Resulting Numbers: [78, 29, 68] Generated Node #0,0: 83:[78, 29, 68] Operation: 17+51=68 Moving to Node #0,0 Current State: 83:[78, 29, 68], Operations: ['17+51=68'] Exploring Operation: 29+68=97, Resulting Numbers: [78, 97] Generated Node #0,0,0: 83:[78, 97] Operation: 29+68=97 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[78, 97], Operations: ['17+51=68', '29+68=97'] Exploring Operation: 97-78=19, Resulting Numbers: [19] 19,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 72, 27, 19, 9 ]
71
[ "72+27=99", "19+9=28", "99-28=71" ]
Current State: 71:[72, 27, 19, 9], Operations: [] Exploring Operation: 72+27=99, Resulting Numbers: [19, 9, 99] Generated Node #2: [19, 9, 99] from Operation: 72+27=99 Current State: 71:[19, 9, 99], Operations: ['72+27=99'] Exploring Operation: 19+9=28, Resulting Numbers: [99, 28] Generated Node #3: [99, 28] from Operation: 19+9=28 Current State: 71:[99, 28], Operations: ['72+27=99', '19+9=28'] Exploring Operation: 99-28=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[72, 27, 19, 9], Operations: [] Exploring Operation: 27+19=46, Resulting Numbers: [72, 9, 46] Generated Node #0,0: 71:[72, 9, 46] Operation: 27+19=46 Exploring Operation: 27+9=36, Resulting Numbers: [72, 19, 36] Generated Node #0,1: 71:[72, 19, 36] Operation: 27+9=36 Exploring Operation: 72+9=81, Resulting Numbers: [27, 19, 81] Generated Node #0,2: 71:[27, 19, 81] Operation: 72+9=81 Exploring Operation: 19+9=28, Resulting Numbers: [72, 27, 28] Generated Node #0,3: 71:[72, 27, 28] Operation: 19+9=28 Exploring Operation: 72-9=63, Resulting Numbers: [27, 19, 63] Generated Node #0,4: 71:[27, 19, 63] Operation: 72-9=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[72, 9, 46], Operations: ['27+19=46'] Exploring Operation: 46-9=37, Resulting Numbers: [72, 37] Generated Node #0,0,0: 71:[72, 37] Operation: 46-9=37 Exploring Operation: 72+9=81, Resulting Numbers: [46, 81] Generated Node #0,0,1: 71:[46, 81] Operation: 72+9=81 Exploring Operation: 9+46=55, Resulting Numbers: [72, 55] Generated Node #0,0,2: 71:[72, 55] Operation: 9+46=55 Exploring Operation: 72-9=63, Resulting Numbers: [46, 63] Generated Node #0,0,3: 71:[46, 63] Operation: 72-9=63 Exploring Operation: 72/9=8, Resulting Numbers: [46, 8] Generated Node #0,0,4: 71:[46, 8] Operation: 72/9=8 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 71:[72, 55], Operations: ['27+19=46', '9+46=55'] Exploring Operation: 72*55=3960, Resulting Numbers: [3960] 3960,71 unequal: No Solution Exploring Operation: 72-55=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 72+55=127, Resulting Numbers: [127] 127,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 71:[46, 63], Operations: ['27+19=46', '72-9=63'] Exploring Operation: 63-46=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 46*63=2898, Resulting Numbers: [2898] 2898,71 unequal: No Solution Exploring Operation: 46+63=109, Resulting Numbers: [109] 109,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[72, 37], Operations: ['27+19=46', '46-9=37'] Exploring Operation: 72+37=109, Resulting Numbers: [109] 109,71 unequal: No Solution Exploring Operation: 72*37=2664, Resulting Numbers: [2664] 2664,71 unequal: No Solution Exploring Operation: 72-37=35, Resulting Numbers: [35] 35,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 71:[46, 81], Operations: ['27+19=46', '72+9=81'] Exploring Operation: 46+81=127, Resulting Numbers: [127] 127,71 unequal: No Solution Exploring Operation: 46*81=3726, Resulting Numbers: [3726] 3726,71 unequal: No Solution Exploring Operation: 81-46=35, Resulting Numbers: [35] 35,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 71:[46, 8], Operations: ['27+19=46', '72/9=8'] Exploring Operation: 46*8=368, Resulting Numbers: [368] 368,71 unequal: No Solution Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,71 unequal: No Solution Exploring Operation: 46+8=54, Resulting Numbers: [54] 54,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[72, 19, 36], Operations: ['27+9=36'] Exploring Operation: 19+36=55, Resulting Numbers: [72, 55] Generated Node #0,1,0: 71:[72, 55] Operation: 19+36=55 Exploring Operation: 36-19=17, Resulting Numbers: [72, 17] Generated Node #0,1,1: 71:[72, 17] Operation: 36-19=17 Exploring Operation: 72-19=53, Resulting Numbers: [36, 53] Generated Node #0,1,2: 71:[36, 53] Operation: 72-19=53 Exploring Operation: 72-36=36, Resulting Numbers: [19, 36] Generated Node #0,1,3: 71:[19, 36] Operation: 72-36=36 Exploring Operation: 72+19=91, Resulting Numbers: [36, 91] Generated Node #0,1,4: 71:[36, 91] Operation: 72+19=91 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 71:[72, 55], Operations: ['27+9=36', '19+36=55'] Exploring Operation: 72+55=127, Resulting Numbers: [127] 127,71 unequal: No Solution Exploring Operation: 72*55=3960, Resulting Numbers: [3960] 3960,71 unequal: No Solution Exploring Operation: 72-55=17, Resulting Numbers: [17] 17,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 71:[36, 53], Operations: ['27+9=36', '72-19=53'] Exploring Operation: 53-36=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 36+53=89, Resulting Numbers: [89] 89,71 unequal: No Solution Exploring Operation: 36*53=1908, Resulting Numbers: [1908] 1908,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 71:[72, 17], Operations: ['27+9=36', '36-19=17'] Exploring Operation: 72+17=89, Resulting Numbers: [89] 89,71 unequal: No Solution Exploring Operation: 72*17=1224, Resulting Numbers: [1224] 1224,71 unequal: No Solution Exploring Operation: 72-17=55, Resulting Numbers: [55] 55,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 71:[36, 91], Operations: ['27+9=36', '72+19=91'] Exploring Operation: 36*91=3276, Resulting Numbers: [3276] 3276,71 unequal: No Solution Exploring Operation: 36+91=127, Resulting Numbers: [127] 127,71 unequal: No Solution Exploring Operation: 91-36=55, Resulting Numbers: [55] 55,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 71:[19, 36], Operations: ['27+9=36', '72-36=36'] Exploring Operation: 36-19=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 19*36=684, Resulting Numbers: [684] 684,71 unequal: No Solution Exploring Operation: 19+36=55, Resulting Numbers: [55] 55,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 71:[72, 27, 28], Operations: ['19+9=28'] Exploring Operation: 72-27=45, Resulting Numbers: [28, 45] Generated Node #0,3,0: 71:[28, 45] Operation: 72-27=45 Exploring Operation: 72-28=44, Resulting Numbers: [27, 44] Generated Node #0,3,1: 71:[27, 44] Operation: 72-28=44 Exploring Operation: 27+28=55, Resulting Numbers: [72, 55] Generated Node #0,3,2: 71:[72, 55] Operation: 27+28=55 Exploring Operation: 72+27=99, Resulting Numbers: [28, 99] Generated Node #0,3,3: 71:[28, 99] Operation: 72+27=99 Exploring Operation: 28-27=1, Resulting Numbers: [72, 1] Generated Node #0,3,4: 71:[72, 1] Operation: 28-27=1 Moving to Node #0,3,2 Current State: 71:[72, 55], Operations: ['19+9=28', '27+28=55'] Exploring Operation: 72*55=3960, Resulting Numbers: [3960] 3960,71 unequal: No Solution Exploring Operation: 72-55=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 72+55=127, Resulting Numbers: [127] 127,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[28, 45], Operations: ['19+9=28', '72-27=45'] Exploring Operation: 28+45=73, Resulting Numbers: [73] 73,71 unequal: No Solution Exploring Operation: 28*45=1260, Resulting Numbers: [1260] 1260,71 unequal: No Solution Exploring Operation: 45-28=17, Resulting Numbers: [17] 17,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[27, 44], Operations: ['19+9=28', '72-28=44'] Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 27+44=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[72, 27, 19, 9], Operations: [] Exploring Operation: 19+9=28, Resulting Numbers: [72, 27, 28] Generated Node #0,3: 71:[72, 27, 28] Operation: 19+9=28 Moving to Node #0,3 Current State: 71:[72, 27, 28], Operations: ['19+9=28'] Exploring Operation: 72-28=44, Resulting Numbers: [27, 44] Generated Node #0,3,1: 71:[27, 44] Operation: 72-28=44 Moving to Node #0,3,1 Current State: 71:[27, 44], Operations: ['19+9=28', '72-28=44'] Exploring Operation: 27+44=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.946181
hs_5
sum_heuristic
[ 42, 72, 56, 42 ]
96
[ "42*72=3024", "3024/56=54", "42+54=96" ]
Current State: 96:[42, 72, 56, 42], Operations: [] Exploring Operation: 42*72=3024, Resulting Numbers: [56, 3024] Generated Node #2: [56, 3024] from Operation: 42*72=3024 Current State: 96:[56, 3024], Operations: ['42*72=3024'] Exploring Operation: 3024/56=54, Resulting Numbers: [54] 54,96 equal: Goal Reached Exploring Operation: 42+54=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[42, 72, 56, 42], Operations: [] Exploring Operation: 42+72=114, Resulting Numbers: [56, 42, 114] Generated Node #0,0: 96:[56, 42, 114] Operation: 42+72=114 Exploring Operation: 72-56=16, Resulting Numbers: [42, 42, 16] Generated Node #0,1: 96:[42, 42, 16] Operation: 72-56=16 Exploring Operation: 72-42=30, Resulting Numbers: [56, 42, 30] Generated Node #0,2: 96:[56, 42, 30] Operation: 72-42=30 Exploring Operation: 72-42=30, Resulting Numbers: [42, 56, 30] Generated Node #0,3: 96:[42, 56, 30] Operation: 72-42=30 Moving to Node #0,1 Current State: 96:[42, 42, 16], Operations: ['72-56=16'] Exploring Operation: 42-42=0, Resulting Numbers: [16, 0] Generated Node #0,1,0: 96:[16, 0] Operation: 42-42=0 Exploring Operation: 42-16=26, Resulting Numbers: [42, 26] Generated Node #0,1,1: 96:[42, 26] Operation: 42-16=26 Exploring Operation: 42/42=1, Resulting Numbers: [16, 1] Generated Node #0,1,2: 96:[16, 1] Operation: 42/42=1 Exploring Operation: 42-16=26, Resulting Numbers: [42, 26] Generated Node #0,1,3: 96:[42, 26] Operation: 42-16=26 Moving to Node #0,3 Current State: 96:[42, 56, 30], Operations: ['72-42=30'] Exploring Operation: 42-30=12, Resulting Numbers: [56, 12] Generated Node #0,3,0: 96:[56, 12] Operation: 42-30=12 Exploring Operation: 42+56=98, Resulting Numbers: [30, 98] Generated Node #0,3,1: 96:[30, 98] Operation: 42+56=98 Exploring Operation: 56-30=26, Resulting Numbers: [42, 26] Generated Node #0,3,2: 96:[42, 26] Operation: 56-30=26 Exploring Operation: 56-42=14, Resulting Numbers: [30, 14] Generated Node #0,3,3: 96:[30, 14] Operation: 56-42=14 Moving to Node #0,2 Current State: 96:[56, 42, 30], Operations: ['72-42=30'] Exploring Operation: 56-42=14, Resulting Numbers: [30, 14] Generated Node #0,2,0: 96:[30, 14] Operation: 56-42=14 Exploring Operation: 42-30=12, Resulting Numbers: [56, 12] Generated Node #0,2,1: 96:[56, 12] Operation: 42-30=12 Exploring Operation: 56+42=98, Resulting Numbers: [30, 98] Generated Node #0,2,2: 96:[30, 98] Operation: 56+42=98 Exploring Operation: 56-30=26, Resulting Numbers: [42, 26] Generated Node #0,2,3: 96:[42, 26] Operation: 56-30=26 Moving to Node #0,0 Current State: 96:[56, 42, 114], Operations: ['42+72=114'] Exploring Operation: 114-42=72, Resulting Numbers: [56, 72] Generated Node #0,0,0: 96:[56, 72] Operation: 114-42=72 Exploring Operation: 56+42=98, Resulting Numbers: [114, 98] Generated Node #0,0,1: 96:[114, 98] Operation: 56+42=98 Exploring Operation: 56-42=14, Resulting Numbers: [114, 14] Generated Node #0,0,2: 96:[114, 14] Operation: 56-42=14 Exploring Operation: 114-56=58, Resulting Numbers: [42, 58] Generated Node #0,0,3: 96:[42, 58] Operation: 114-56=58 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 96:[42, 58], Operations: ['42+72=114', '114-56=58'] Exploring Operation: 42*58=2436, Resulting Numbers: [2436] 2436,96 unequal: No Solution Exploring Operation: 42+58=100, Resulting Numbers: [100] 100,96 unequal: No Solution Exploring Operation: 58-42=16, Resulting Numbers: [16] 16,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 96:[114, 98], Operations: ['42+72=114', '56+42=98'] Exploring Operation: 114+98=212, Resulting Numbers: [212] 212,96 unequal: No Solution Exploring Operation: 114-98=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 114*98=11172, Resulting Numbers: [11172] 11172,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 96:[114, 14], Operations: ['42+72=114', '56-42=14'] Exploring Operation: 114+14=128, Resulting Numbers: [128] 128,96 unequal: No Solution Exploring Operation: 114-14=100, Resulting Numbers: [100] 100,96 unequal: No Solution Exploring Operation: 114*14=1596, Resulting Numbers: [1596] 1596,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[56, 72], Operations: ['42+72=114', '114-42=72'] Exploring Operation: 56*72=4032, Resulting Numbers: [4032] 4032,96 unequal: No Solution Exploring Operation: 72-56=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 56+72=128, Resulting Numbers: [128] 128,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 96:[16, 1], Operations: ['72-56=16', '42/42=1'] Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,96 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,96 unequal: No Solution Moving to Node #0,1,0 Current State: 96:[16, 0], Operations: ['72-56=16', '42-42=0'] Exploring Operation: 16+0=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 16*0=0, Resulting Numbers: [0] 0,96 unequal: No Solution Exploring Operation: 16-0=16, Resulting Numbers: [16] 16,96 unequal: No Solution Moving to Node #0,3,3 Current State: 96:[30, 14], Operations: ['72-42=30', '56-42=14'] Exploring Operation: 30*14=420, Resulting Numbers: [420] 420,96 unequal: No Solution Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,96 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,96 unequal: No Solution Moving to Node #0,3,1 Current State: 96:[30, 98], Operations: ['72-42=30', '42+56=98'] Exploring Operation: 30+98=128, Resulting Numbers: [128] 128,96 unequal: No Solution Exploring Operation: 30*98=2940, Resulting Numbers: [2940] 2940,96 unequal: No Solution Exploring Operation: 98-30=68, Resulting Numbers: [68] 68,96 unequal: No Solution Moving to Node #0,2,2 Current State: 96:[30, 98], Operations: ['72-42=30', '56+42=98'] Exploring Operation: 98-30=68, Resulting Numbers: [68] 68,96 unequal: No Solution Exploring Operation: 30+98=128, Resulting Numbers: [128] 128,96 unequal: No Solution Exploring Operation: 30*98=2940, Resulting Numbers: [2940] 2940,96 unequal: No Solution Moving to Node #0,2,0 Current State: 96:[30, 14], Operations: ['72-42=30', '56-42=14'] Exploring Operation: 30*14=420, Resulting Numbers: [420] 420,96 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,96 unequal: No Solution Moving to Node #0,3,0 Current State: 96:[56, 12], Operations: ['72-42=30', '42-30=12'] Exploring Operation: 56+12=68, Resulting Numbers: [68] 68,96 unequal: No Solution Exploring Operation: 56*12=672, Resulting Numbers: [672] 672,96 unequal: No Solution Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,96 unequal: No Solution Moving to Node #0,1,1 Current State: 96:[42, 26], Operations: ['72-56=16', '42-16=26'] Exploring Operation: 42+26=68, Resulting Numbers: [68] 68,96 unequal: No Solution Exploring Operation: 42*26=1092, Resulting Numbers: [1092] 1092,96 unequal: No Solution Exploring Operation: 42-26=16, Resulting Numbers: [16] 16,96 unequal: No Solution Moving to Node #0,2,1 Current State: 96:[56, 12], Operations: ['72-42=30', '42-30=12'] Exploring Operation: 56*12=672, Resulting Numbers: [672] 672,96 unequal: No Solution Exploring Operation: 56+12=68, Resulting Numbers: [68] 68,96 unequal: No Solution Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,96 unequal: No Solution Moving to Node #0,1,3 Current State: 96:[42, 26], Operations: ['72-56=16', '42-16=26'] Exploring Operation: 42+26=68, Resulting Numbers: [68] 68,96 unequal: No Solution Exploring Operation: 42-26=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 42*26=1092, Resulting Numbers: [1092] 1092,96 unequal: No Solution Moving to Node #0,2,3 Current State: 96:[42, 26], Operations: ['72-42=30', '56-30=26'] Exploring Operation: 42+26=68, Resulting Numbers: [68] 68,96 unequal: No Solution Exploring Operation: 42-26=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 42*26=1092, Resulting Numbers: [1092] 1092,96 unequal: No Solution Moving to Node #0,3,2 Current State: 96:[42, 26], Operations: ['72-42=30', '56-30=26'] Exploring Operation: 42-26=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 42+26=68, Resulting Numbers: [68] 68,96 unequal: No Solution Exploring Operation: 42*26=1092, Resulting Numbers: [1092] 1092,96 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 35, 74, 39, 14 ]
14
[ "74-35=39", "39+14=53", "53-39=14" ]
Current State: 14:[35, 74, 39, 14], Operations: [] Exploring Operation: 74-35=39, Resulting Numbers: [39, 14, 39] Generated Node #2: [39, 14, 39] from Operation: 74-35=39 Current State: 14:[39, 14, 39], Operations: ['74-35=39'] Exploring Operation: 39+14=53, Resulting Numbers: [53] 53,14 equal: Goal Reached Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[35, 74, 39, 14], Operations: [] Exploring Operation: 74-39=35, Resulting Numbers: [35, 14, 35] Generated Node #0,0: 14:[35, 14, 35] Operation: 74-39=35 Moving to Node #0,0 Current State: 14:[35, 14, 35], Operations: ['74-39=35'] Exploring Operation: 35/35=1, Resulting Numbers: [14, 1] Generated Node #0,0,0: 14:[14, 1] Operation: 35/35=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 14:[14, 1], Operations: ['74-39=35', '35/35=1'] Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[35, 74, 39, 14], Operations: [] Exploring Operation: 74-39=35, Resulting Numbers: [35, 14, 35] Generated Node #0,0: 14:[35, 14, 35] Operation: 74-39=35 Moving to Node #0,0 Current State: 14:[35, 14, 35], Operations: ['74-39=35'] Exploring Operation: 35/35=1, Resulting Numbers: [14, 1] Generated Node #0,0,0: 14:[14, 1] Operation: 35/35=1 Moving to Node #0,0,0 Current State: 14:[14, 1], Operations: ['74-39=35', '35/35=1'] Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 58, 56, 43, 51 ]
91
[ "58-51=7", "56-43=13", "7*13=91" ]
Current State: 91:[58, 56, 43, 51], Operations: [] Exploring Operation: 58-51=7, Resulting Numbers: [56, 43, 7] Generated Node #2: [56, 43, 7] from Operation: 58-51=7 Current State: 91:[56, 43, 7], Operations: ['58-51=7'] Exploring Operation: 56-43=13, Resulting Numbers: [7, 13] Generated Node #3: [7, 13] from Operation: 56-43=13 Current State: 91:[7, 13], Operations: ['58-51=7', '56-43=13'] Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[58, 56, 43, 51], Operations: [] Exploring Operation: 58-51=7, Resulting Numbers: [56, 43, 7] Generated Node #0,0: 91:[56, 43, 7] Operation: 58-51=7 Moving to Node #0,0 Current State: 91:[56, 43, 7], Operations: ['58-51=7'] Exploring Operation: 56-43=13, Resulting Numbers: [7, 13] Generated Node #0,0,0: 91:[7, 13] Operation: 56-43=13 Moving to Node #0,0,0 Current State: 91:[7, 13], Operations: ['58-51=7', '56-43=13'] Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[58, 56, 43, 51], Operations: [] Exploring Operation: 58-51=7, Resulting Numbers: [56, 43, 7] Generated Node #0,0: 91:[56, 43, 7] Operation: 58-51=7 Moving to Node #0,0 Current State: 91:[56, 43, 7], Operations: ['58-51=7'] Exploring Operation: 56-43=13, Resulting Numbers: [7, 13] Generated Node #0,0,0: 91:[7, 13] Operation: 56-43=13 Moving to Node #0,0,0 Current State: 91:[7, 13], Operations: ['58-51=7', '56-43=13'] Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 60, 52, 76, 56 ]
33
[ "60-56=4", "76/4=19", "52-19=33" ]
Current State: 33:[60, 52, 76, 56], Operations: [] Exploring Operation: 60-56=4, Resulting Numbers: [52, 76, 4] Generated Node #2: [52, 76, 4] from Operation: 60-56=4 Current State: 33:[52, 76, 4], Operations: ['60-56=4'] Exploring Operation: 76/4=19, Resulting Numbers: [52, 19] Generated Node #3: [52, 19] from Operation: 76/4=19 Current State: 33:[52, 19], Operations: ['60-56=4', '76/4=19'] Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[60, 52, 76, 56], Operations: [] Exploring Operation: 76-56=20, Resulting Numbers: [60, 52, 20] Generated Node #0,0: 33:[60, 52, 20] Operation: 76-56=20 Exploring Operation: 76-60=16, Resulting Numbers: [52, 56, 16] Generated Node #0,1: 33:[52, 56, 16] Operation: 76-60=16 Moving to Node #0,1 Current State: 33:[52, 56, 16], Operations: ['76-60=16'] Exploring Operation: 52-16=36, Resulting Numbers: [56, 36] Generated Node #0,1,0: 33:[56, 36] Operation: 52-16=36 Exploring Operation: 56-52=4, Resulting Numbers: [16, 4] Generated Node #0,1,1: 33:[16, 4] Operation: 56-52=4 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 33:[16, 4], Operations: ['76-60=16', '56-52=4'] Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,33 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,33 unequal: No Solution No 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: 33:[56, 36], Operations: ['76-60=16', '52-16=36'] Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,33 unequal: No Solution Exploring Operation: 56+36=92, Resulting Numbers: [92] 92,33 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: 33:[60, 52, 20], Operations: ['76-56=20'] Exploring Operation: 60-52=8, Resulting Numbers: [20, 8] Generated Node #0,0,0: 33:[20, 8] Operation: 60-52=8 Exploring Operation: 60/20=3, Resulting Numbers: [52, 3] Generated Node #0,0,1: 33:[52, 3] Operation: 60/20=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[20, 8], Operations: ['76-56=20', '60-52=8'] Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,33 unequal: No Solution Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,33 unequal: No Solution No 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: 33:[52, 3], Operations: ['76-56=20', '60/20=3'] Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,33 unequal: No Solution Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,33 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
[ 27, 85, 61, 28 ]
70
[ "61-27=34", "85*28=2380", "2380/34=70" ]
Current State: 70:[27, 85, 61, 28], Operations: [] Exploring Operation: 61-27=34, Resulting Numbers: [85, 28, 34] Generated Node #2: [85, 28, 34] from Operation: 61-27=34 Current State: 70:[85, 28, 34], Operations: ['61-27=34'] Exploring Operation: 85*28=2380, Resulting Numbers: [34, 2380] Generated Node #3: [34, 2380] from Operation: 85*28=2380 Current State: 70:[34, 2380], Operations: ['61-27=34', '85*28=2380'] Exploring Operation: 2380/34=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[27, 85, 61, 28], Operations: [] Exploring Operation: 61-27=34, Resulting Numbers: [85, 28, 34] Generated Node #0,0: 70:[85, 28, 34] Operation: 61-27=34 Moving to Node #0,0 Current State: 70:[85, 28, 34], Operations: ['61-27=34'] Exploring Operation: 85-28=57, Resulting Numbers: [34, 57] Generated Node #0,0,0: 70:[34, 57] Operation: 85-28=57 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[34, 57], Operations: ['61-27=34', '85-28=57'] Exploring Operation: 57-34=23, Resulting Numbers: [23] 23,70 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
[ 17, 79, 3, 28 ]
93
[ "79-17=62", "3+28=31", "62+31=93" ]
Current State: 93:[17, 79, 3, 28], Operations: [] Exploring Operation: 79-17=62, Resulting Numbers: [3, 28, 62] Generated Node #2: [3, 28, 62] from Operation: 79-17=62 Current State: 93:[3, 28, 62], Operations: ['79-17=62'] Exploring Operation: 3+28=31, Resulting Numbers: [62, 31] Generated Node #3: [62, 31] from Operation: 3+28=31 Current State: 93:[62, 31], Operations: ['79-17=62', '3+28=31'] Exploring Operation: 62+31=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[17, 79, 3, 28], Operations: [] Exploring Operation: 17+79=96, Resulting Numbers: [3, 28, 96] Generated Node #0,0: 93:[3, 28, 96] Operation: 17+79=96 Moving to Node #0,0 Current State: 93:[3, 28, 96], Operations: ['17+79=96'] Exploring Operation: 3+28=31, Resulting Numbers: [96, 31] Generated Node #0,0,0: 93:[96, 31] Operation: 3+28=31 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[96, 31], Operations: ['17+79=96', '3+28=31'] Exploring Operation: 96-31=65, Resulting Numbers: [65] 65,93 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
[ 98, 74, 78, 61 ]
76
[ "98-61=37", "74/37=2", "78-2=76" ]
Current State: 76:[98, 74, 78, 61], Operations: [] Exploring Operation: 98-61=37, Resulting Numbers: [74, 78, 37] Generated Node #2: [74, 78, 37] from Operation: 98-61=37 Current State: 76:[74, 78, 37], Operations: ['98-61=37'] Exploring Operation: 74/37=2, Resulting Numbers: [78, 2] Generated Node #3: [78, 2] from Operation: 74/37=2 Current State: 76:[78, 2], Operations: ['98-61=37', '74/37=2'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[98, 74, 78, 61], Operations: [] Exploring Operation: 98-78=20, Resulting Numbers: [74, 61, 20] Generated Node #0,0: 76:[74, 61, 20] Operation: 98-78=20 Exploring Operation: 98-61=37, Resulting Numbers: [74, 78, 37] Generated Node #0,1: 76:[74, 78, 37] Operation: 98-61=37 Moving to Node #0,1 Current State: 76:[74, 78, 37], Operations: ['98-61=37'] Exploring Operation: 78-74=4, Resulting Numbers: [37, 4] Generated Node #0,1,0: 76:[37, 4] Operation: 78-74=4 Exploring Operation: 74/37=2, Resulting Numbers: [78, 2] Generated Node #0,1,1: 76:[78, 2] Operation: 74/37=2 Moving to Node #0,0 Current State: 76:[74, 61, 20], Operations: ['98-78=20'] Exploring Operation: 74-61=13, Resulting Numbers: [20, 13] Generated Node #0,0,0: 76:[20, 13] Operation: 74-61=13 Exploring Operation: 61-20=41, Resulting Numbers: [74, 41] Generated Node #0,0,1: 76:[74, 41] Operation: 61-20=41 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 76:[74, 41], Operations: ['98-78=20', '61-20=41'] Exploring Operation: 74+41=115, Resulting Numbers: [115] 115,76 unequal: No Solution Exploring Operation: 74-41=33, Resulting Numbers: [33] 33,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[20, 13], Operations: ['98-78=20', '74-61=13'] Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,76 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,76 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: 76:[37, 4], Operations: ['98-61=37', '78-74=4'] Exploring Operation: 37+4=41, Resulting Numbers: [41] 41,76 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,76 unequal: No Solution Moving to Node #0,1,1 Current State: 76:[78, 2], Operations: ['98-61=37', '74/37=2'] Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[98, 74, 78, 61], Operations: [] Exploring Operation: 98-61=37, Resulting Numbers: [74, 78, 37] Generated Node #0,1: 76:[74, 78, 37] Operation: 98-61=37 Moving to Node #0,1 Current State: 76:[74, 78, 37], Operations: ['98-61=37'] Exploring Operation: 74/37=2, Resulting Numbers: [78, 2] Generated Node #0,1,1: 76:[78, 2] Operation: 74/37=2 Moving to Node #0,1,1 Current State: 76:[78, 2], Operations: ['98-61=37', '74/37=2'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
0.984375
hs_2
mult_heuristic
[ 11, 31, 18, 17 ]
54
[ "31-11=20", "20-17=3", "18*3=54" ]
Current State: 54:[11, 31, 18, 17], Operations: [] Exploring Operation: 31-11=20, Resulting Numbers: [18, 17, 20] Generated Node #2: [18, 17, 20] from Operation: 31-11=20 Current State: 54:[18, 17, 20], Operations: ['31-11=20'] Exploring Operation: 20-17=3, Resulting Numbers: [18, 3] Generated Node #3: [18, 3] from Operation: 20-17=3 Current State: 54:[18, 3], Operations: ['31-11=20', '20-17=3'] Exploring Operation: 18*3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[11, 31, 18, 17], Operations: [] Exploring Operation: 31-11=20, Resulting Numbers: [18, 17, 20] Generated Node #0,0: 54:[18, 17, 20] Operation: 31-11=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[18, 17, 20], Operations: ['31-11=20'] Exploring Operation: 20-17=3, Resulting Numbers: [18, 3] Generated Node #0,0,0: 54:[18, 3] Operation: 20-17=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[18, 3], Operations: ['31-11=20', '20-17=3'] Exploring Operation: 18*3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[11, 31, 18, 17], Operations: [] Exploring Operation: 31-11=20, Resulting Numbers: [18, 17, 20] Generated Node #0,0: 54:[18, 17, 20] Operation: 31-11=20 Moving to Node #0,0 Current State: 54:[18, 17, 20], Operations: ['31-11=20'] Exploring Operation: 20-17=3, Resulting Numbers: [18, 3] Generated Node #0,0,0: 54:[18, 3] Operation: 20-17=3 Moving to Node #0,0,0 Current State: 54:[18, 3], Operations: ['31-11=20', '20-17=3'] Exploring Operation: 18*3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 34, 27, 17, 33 ]
77
[ "34+27=61", "33-17=16", "61+16=77" ]
Current State: 77:[34, 27, 17, 33], Operations: [] Exploring Operation: 34+27=61, Resulting Numbers: [17, 33, 61] Generated Node #2: [17, 33, 61] from Operation: 34+27=61 Current State: 77:[17, 33, 61], Operations: ['34+27=61'] Exploring Operation: 33-17=16, Resulting Numbers: [61, 16] Generated Node #3: [61, 16] from Operation: 33-17=16 Current State: 77:[61, 16], Operations: ['34+27=61', '33-17=16'] Exploring Operation: 61+16=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[34, 27, 17, 33], Operations: [] Exploring Operation: 34-27=7, Resulting Numbers: [17, 33, 7] Generated Node #0,0: 77:[17, 33, 7] Operation: 34-27=7 Exploring Operation: 34-33=1, Resulting Numbers: [27, 17, 1] Generated Node #0,1: 77:[27, 17, 1] Operation: 34-33=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[17, 33, 7], Operations: ['34-27=7'] Exploring Operation: 33-17=16, Resulting Numbers: [7, 16] Generated Node #0,0,0: 77:[7, 16] Operation: 33-17=16 Exploring Operation: 33-7=26, Resulting Numbers: [17, 26] Generated Node #0,0,1: 77:[17, 26] Operation: 33-7=26 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 77:[7, 16], Operations: ['34-27=7', '33-17=16'] Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,77 unequal: No Solution Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 77:[17, 26], Operations: ['34-27=7', '33-7=26'] Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,77 unequal: No Solution Exploring Operation: 17+26=43, Resulting Numbers: [43] 43,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[27, 17, 1], Operations: ['34-33=1'] Exploring Operation: 27-17=10, Resulting Numbers: [1, 10] Generated Node #0,1,0: 77:[1, 10] Operation: 27-17=10 Exploring Operation: 27-1=26, Resulting Numbers: [17, 26] Generated Node #0,1,1: 77:[17, 26] Operation: 27-1=26 Moving to Node #0,1,0 Current State: 77:[1, 10], Operations: ['34-33=1', '27-17=10'] Exploring Operation: 1+10=11, Resulting Numbers: [11] 11,77 unequal: No Solution Exploring Operation: 1*10=10, Resulting Numbers: [10] 10,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[17, 26], Operations: ['34-33=1', '27-1=26'] Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,77 unequal: No Solution Exploring Operation: 17+26=43, Resulting Numbers: [43] 43,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 43, 77, 67, 60 ]
49
[ "77-67=10", "60/10=6", "43+6=49" ]
Current State: 49:[43, 77, 67, 60], Operations: [] Exploring Operation: 77-67=10, Resulting Numbers: [43, 60, 10] Generated Node #2: [43, 60, 10] from Operation: 77-67=10 Current State: 49:[43, 60, 10], Operations: ['77-67=10'] Exploring Operation: 60/10=6, Resulting Numbers: [43, 6] Generated Node #3: [43, 6] from Operation: 60/10=6 Current State: 49:[43, 6], Operations: ['77-67=10', '60/10=6'] Exploring Operation: 43+6=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[43, 77, 67, 60], Operations: [] Exploring Operation: 77-60=17, Resulting Numbers: [43, 67, 17] Generated Node #0,0: 49:[43, 67, 17] Operation: 77-60=17 Exploring Operation: 67-60=7, Resulting Numbers: [43, 77, 7] Generated Node #0,1: 49:[43, 77, 7] Operation: 67-60=7 Exploring Operation: 77-67=10, Resulting Numbers: [43, 60, 10] Generated Node #0,2: 49:[43, 60, 10] Operation: 77-67=10 Moving to Node #0,2 Current State: 49:[43, 60, 10], Operations: ['77-67=10'] Exploring Operation: 60-43=17, Resulting Numbers: [10, 17] Generated Node #0,2,0: 49:[10, 17] Operation: 60-43=17 Exploring Operation: 60/10=6, Resulting Numbers: [43, 6] Generated Node #0,2,1: 49:[43, 6] Operation: 60/10=6 Exploring Operation: 60-10=50, Resulting Numbers: [43, 50] Generated Node #0,2,2: 49:[43, 50] Operation: 60-10=50 Moving to Node #0,0 Current State: 49:[43, 67, 17], Operations: ['77-60=17'] Exploring Operation: 67-43=24, Resulting Numbers: [17, 24] Generated Node #0,0,0: 49:[17, 24] Operation: 67-43=24 Exploring Operation: 67-17=50, Resulting Numbers: [43, 50] Generated Node #0,0,1: 49:[43, 50] Operation: 67-17=50 Exploring Operation: 43+17=60, Resulting Numbers: [67, 60] Generated Node #0,0,2: 49:[67, 60] Operation: 43+17=60 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[43, 50], Operations: ['77-60=17', '67-17=50'] Exploring Operation: 43+50=93, Resulting Numbers: [93] 93,49 unequal: No Solution Exploring Operation: 50-43=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 43*50=2150, Resulting Numbers: [2150] 2150,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[17, 24], Operations: ['77-60=17', '67-43=24'] Exploring Operation: 17+24=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 17*24=408, Resulting Numbers: [408] 408,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 49:[67, 60], Operations: ['77-60=17', '43+17=60'] Exploring Operation: 67*60=4020, Resulting Numbers: [4020] 4020,49 unequal: No Solution Exploring Operation: 67+60=127, Resulting Numbers: [127] 127,49 unequal: No Solution Exploring Operation: 67-60=7, Resulting Numbers: [7] 7,49 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: 49:[43, 77, 7], Operations: ['67-60=7'] Exploring Operation: 77/7=11, Resulting Numbers: [43, 11] Generated Node #0,1,0: 49:[43, 11] Operation: 77/7=11 Exploring Operation: 77-7=70, Resulting Numbers: [43, 70] Generated Node #0,1,1: 49:[43, 70] Operation: 77-7=70 Exploring Operation: 77-43=34, Resulting Numbers: [7, 34] Generated Node #0,1,2: 49:[7, 34] Operation: 77-43=34 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[43, 11], Operations: ['67-60=7', '77/7=11'] Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,49 unequal: No Solution Exploring Operation: 43*11=473, Resulting Numbers: [473] 473,49 unequal: No Solution Exploring Operation: 43+11=54, Resulting Numbers: [54] 54,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 49:[7, 34], Operations: ['67-60=7', '77-43=34'] Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 7*34=238, Resulting Numbers: [238] 238,49 unequal: No Solution Exploring Operation: 7+34=41, Resulting Numbers: [41] 41,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 49:[43, 70], Operations: ['67-60=7', '77-7=70'] Exploring Operation: 43*70=3010, Resulting Numbers: [3010] 3010,49 unequal: No Solution Exploring Operation: 43+70=113, Resulting Numbers: [113] 113,49 unequal: No Solution Exploring Operation: 70-43=27, Resulting Numbers: [27] 27,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 49:[43, 6], Operations: ['77-67=10', '60/10=6'] Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,49 unequal: No Solution Exploring Operation: 43*6=258, Resulting Numbers: [258] 258,49 unequal: No Solution Exploring Operation: 43+6=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[43, 77, 67, 60], Operations: [] Exploring Operation: 77-67=10, Resulting Numbers: [43, 60, 10] Generated Node #0,2: 49:[43, 60, 10] Operation: 77-67=10 Moving to Node #0,2 Current State: 49:[43, 60, 10], Operations: ['77-67=10'] Exploring Operation: 60/10=6, Resulting Numbers: [43, 6] Generated Node #0,2,1: 49:[43, 6] Operation: 60/10=6 Moving to Node #0,2,1 Current State: 49:[43, 6], Operations: ['77-67=10', '60/10=6'] Exploring Operation: 43+6=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
0.967882
hs_3
mult_heuristic
[ 2, 17, 91, 26 ]
84
[ "2+17=19", "91-26=65", "19+65=84" ]
Current State: 84:[2, 17, 91, 26], Operations: [] Exploring Operation: 2+17=19, Resulting Numbers: [91, 26, 19] Generated Node #2: [91, 26, 19] from Operation: 2+17=19 Current State: 84:[91, 26, 19], Operations: ['2+17=19'] Exploring Operation: 91-26=65, Resulting Numbers: [19, 65] Generated Node #3: [19, 65] from Operation: 91-26=65 Current State: 84:[19, 65], Operations: ['2+17=19', '91-26=65'] Exploring Operation: 19+65=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[2, 17, 91, 26], Operations: [] Exploring Operation: 17-2=15, Resulting Numbers: [91, 26, 15] Generated Node #0,0: 84:[91, 26, 15] Operation: 17-2=15 Exploring Operation: 91-2=89, Resulting Numbers: [17, 26, 89] Generated Node #0,1: 84:[17, 26, 89] Operation: 91-2=89 Exploring Operation: 26-17=9, Resulting Numbers: [2, 91, 9] Generated Node #0,2: 84:[2, 91, 9] Operation: 26-17=9 Exploring Operation: 2+26=28, Resulting Numbers: [17, 91, 28] Generated Node #0,3: 84:[17, 91, 28] Operation: 2+26=28 Exploring Operation: 17+26=43, Resulting Numbers: [2, 91, 43] Generated Node #0,4: 84:[2, 91, 43] Operation: 17+26=43 Start Sub Search at level 1: Moving to Node #0,4 Current State: 84:[2, 91, 43], Operations: ['17+26=43'] Exploring Operation: 91-2=89, Resulting Numbers: [43, 89] Generated Node #0,4,0: 84:[43, 89] Operation: 91-2=89 Exploring Operation: 43-2=41, Resulting Numbers: [91, 41] Generated Node #0,4,1: 84:[91, 41] Operation: 43-2=41 Exploring Operation: 2*43=86, Resulting Numbers: [91, 86] Generated Node #0,4,2: 84:[91, 86] Operation: 2*43=86 Exploring Operation: 91-43=48, Resulting Numbers: [2, 48] Generated Node #0,4,3: 84:[2, 48] Operation: 91-43=48 Exploring Operation: 2+91=93, Resulting Numbers: [43, 93] Generated Node #0,4,4: 84:[43, 93] Operation: 2+91=93 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 84:[43, 89], Operations: ['17+26=43', '91-2=89'] Exploring Operation: 43+89=132, Resulting Numbers: [132] 132,84 unequal: No Solution Exploring Operation: 89-43=46, Resulting Numbers: [46] 46,84 unequal: No Solution Exploring Operation: 43*89=3827, Resulting Numbers: [3827] 3827,84 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 #0,4,3 Current State: 84:[2, 48], Operations: ['17+26=43', '91-43=48'] Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,84 unequal: No Solution Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,84 unequal: No Solution Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,84 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,84 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 #0,4,1 Current State: 84:[91, 41], Operations: ['17+26=43', '43-2=41'] Exploring Operation: 91-41=50, Resulting Numbers: [50] 50,84 unequal: No Solution Exploring Operation: 91*41=3731, Resulting Numbers: [3731] 3731,84 unequal: No Solution Exploring Operation: 91+41=132, Resulting Numbers: [132] 132,84 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 #0,4,2 Current State: 84:[91, 86], Operations: ['17+26=43', '2*43=86'] Exploring Operation: 91+86=177, Resulting Numbers: [177] 177,84 unequal: No Solution Exploring Operation: 91*86=7826, Resulting Numbers: [7826] 7826,84 unequal: No Solution Exploring Operation: 91-86=5, Resulting Numbers: [5] 5,84 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 #0,4,4 Current State: 84:[43, 93], Operations: ['17+26=43', '2+91=93'] Exploring Operation: 93-43=50, Resulting Numbers: [50] 50,84 unequal: No Solution Exploring Operation: 43*93=3999, Resulting Numbers: [3999] 3999,84 unequal: No Solution Exploring Operation: 43+93=136, Resulting Numbers: [136] 136,84 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:[2, 91, 9], Operations: ['26-17=9'] Exploring Operation: 9-2=7, Resulting Numbers: [91, 7] Generated Node #0,2,0: 84:[91, 7] Operation: 9-2=7 Exploring Operation: 2*9=18, Resulting Numbers: [91, 18] Generated Node #0,2,1: 84:[91, 18] Operation: 2*9=18 Exploring Operation: 91-9=82, Resulting Numbers: [2, 82] Generated Node #0,2,2: 84:[2, 82] Operation: 91-9=82 Exploring Operation: 2+9=11, Resulting Numbers: [91, 11] Generated Node #0,2,3: 84:[91, 11] Operation: 2+9=11 Exploring Operation: 91-2=89, Resulting Numbers: [9, 89] Generated Node #0,2,4: 84:[9, 89] Operation: 91-2=89 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 84:[2, 82], Operations: ['26-17=9', '91-9=82'] Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,84 unequal: No Solution Exploring Operation: 2*82=164, Resulting Numbers: [164] 164,84 unequal: No Solution Exploring Operation: 2+82=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[2, 17, 91, 26], Operations: [] Exploring Operation: 26-17=9, Resulting Numbers: [2, 91, 9] Generated Node #0,2: 84:[2, 91, 9] Operation: 26-17=9 Moving to Node #0,2 Current State: 84:[2, 91, 9], Operations: ['26-17=9'] Exploring Operation: 91-9=82, Resulting Numbers: [2, 82] Generated Node #0,2,2: 84:[2, 82] Operation: 91-9=82 Moving to Node #0,2,2 Current State: 84:[2, 82], Operations: ['26-17=9', '91-9=82'] Exploring Operation: 2+82=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967014
hs_5
mult_heuristic
[ 44, 33, 1, 59 ]
47
[ "44-33=11", "59-1=58", "58-11=47" ]
Current State: 47:[44, 33, 1, 59], Operations: [] Exploring Operation: 44-33=11, Resulting Numbers: [1, 59, 11] Generated Node #2: [1, 59, 11] from Operation: 44-33=11 Current State: 47:[1, 59, 11], Operations: ['44-33=11'] Exploring Operation: 59-1=58, Resulting Numbers: [11, 58] Generated Node #3: [11, 58] from Operation: 59-1=58 Current State: 47:[11, 58], Operations: ['44-33=11', '59-1=58'] Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[44, 33, 1, 59], Operations: [] Exploring Operation: 44+1=45, Resulting Numbers: [33, 59, 45] Generated Node #0,0: 47:[33, 59, 45] Operation: 44+1=45 Moving to Node #0,0 Current State: 47:[33, 59, 45], Operations: ['44+1=45'] Exploring Operation: 59-33=26, Resulting Numbers: [45, 26] Generated Node #0,0,0: 47:[45, 26] Operation: 59-33=26 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[45, 26], Operations: ['44+1=45', '59-33=26'] Exploring Operation: 45+26=71, Resulting Numbers: [71] 71,47 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
[ 28, 50, 95, 66 ]
98
[ "50-28=22", "66/22=3", "95+3=98" ]
Current State: 98:[28, 50, 95, 66], Operations: [] Exploring Operation: 50-28=22, Resulting Numbers: [95, 66, 22] Generated Node #2: [95, 66, 22] from Operation: 50-28=22 Current State: 98:[95, 66, 22], Operations: ['50-28=22'] Exploring Operation: 66/22=3, Resulting Numbers: [95, 3] Generated Node #3: [95, 3] from Operation: 66/22=3 Current State: 98:[95, 3], Operations: ['50-28=22', '66/22=3'] Exploring Operation: 95+3=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[28, 50, 95, 66], Operations: [] Exploring Operation: 28+66=94, Resulting Numbers: [50, 95, 94] Generated Node #0,0: 98:[50, 95, 94] Operation: 28+66=94 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[50, 95, 94], Operations: ['28+66=94'] Exploring Operation: 95-94=1, Resulting Numbers: [50, 1] Generated Node #0,0,0: 98:[50, 1] Operation: 95-94=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[50, 1], Operations: ['28+66=94', '95-94=1'] Exploring Operation: 50-1=49, Resulting Numbers: [49] 49,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 26, 40, 15, 1 ]
50
[ "26+40=66", "15+1=16", "66-16=50" ]
Current State: 50:[26, 40, 15, 1], Operations: [] Exploring Operation: 26+40=66, Resulting Numbers: [15, 1, 66] Generated Node #2: [15, 1, 66] from Operation: 26+40=66 Current State: 50:[15, 1, 66], Operations: ['26+40=66'] Exploring Operation: 15+1=16, Resulting Numbers: [66, 16] Generated Node #3: [66, 16] from Operation: 15+1=16 Current State: 50:[66, 16], Operations: ['26+40=66', '15+1=16'] Exploring Operation: 66-16=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[26, 40, 15, 1], Operations: [] Exploring Operation: 40-15=25, Resulting Numbers: [26, 1, 25] Generated Node #0,0: 50:[26, 1, 25] Operation: 40-15=25 Moving to Node #0,0 Current State: 50:[26, 1, 25], Operations: ['40-15=25'] Exploring Operation: 26-1=25, Resulting Numbers: [25, 25] Generated Node #0,0,0: 50:[25, 25] Operation: 26-1=25 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[25, 25], Operations: ['40-15=25', '26-1=25'] Exploring Operation: 25+25=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[26, 40, 15, 1], Operations: [] Exploring Operation: 40-15=25, Resulting Numbers: [26, 1, 25] Generated Node #0,0: 50:[26, 1, 25] Operation: 40-15=25 Moving to Node #0,0 Current State: 50:[26, 1, 25], Operations: ['40-15=25'] Exploring Operation: 26-1=25, Resulting Numbers: [25, 25] Generated Node #0,0,0: 50:[25, 25] Operation: 26-1=25 Moving to Node #0,0,0 Current State: 50:[25, 25], Operations: ['40-15=25', '26-1=25'] Exploring Operation: 25+25=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 46, 42, 18, 37 ]
21
[ "46-37=9", "42*9=378", "378/18=21" ]
Current State: 21:[46, 42, 18, 37], Operations: [] Exploring Operation: 46-37=9, Resulting Numbers: [42, 18, 9] Generated Node #2: [42, 18, 9] from Operation: 46-37=9 Current State: 21:[42, 18, 9], Operations: ['46-37=9'] Exploring Operation: 42*9=378, Resulting Numbers: [18, 378] Generated Node #3: [18, 378] from Operation: 42*9=378 Current State: 21:[18, 378], Operations: ['46-37=9', '42*9=378'] Exploring Operation: 378/18=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[46, 42, 18, 37], Operations: [] Exploring Operation: 46-37=9, Resulting Numbers: [42, 18, 9] Generated Node #0,0: 21:[42, 18, 9] Operation: 46-37=9 Exploring Operation: 46-42=4, Resulting Numbers: [18, 37, 4] Generated Node #0,1: 21:[18, 37, 4] Operation: 46-42=4 Moving to Node #0,1 Current State: 21:[18, 37, 4], Operations: ['46-42=4'] Exploring Operation: 37-4=33, Resulting Numbers: [18, 33] Generated Node #0,1,0: 21:[18, 33] Operation: 37-4=33 Exploring Operation: 37-18=19, Resulting Numbers: [4, 19] Generated Node #0,1,1: 21:[4, 19] Operation: 37-18=19 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 21:[4, 19], Operations: ['46-42=4', '37-18=19'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,21 unequal: No Solution Exploring Operation: 4+19=23, Resulting Numbers: [23] 23,21 unequal: No Solution No 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: 21:[18, 33], Operations: ['46-42=4', '37-4=33'] Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,21 unequal: No Solution Exploring Operation: 18+33=51, Resulting Numbers: [51] 51,21 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: 21:[42, 18, 9], Operations: ['46-37=9'] Exploring Operation: 42-9=33, Resulting Numbers: [18, 33] Generated Node #0,0,0: 21:[18, 33] Operation: 42-9=33 Exploring Operation: 42-18=24, Resulting Numbers: [9, 24] Generated Node #0,0,1: 21:[9, 24] Operation: 42-18=24 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 21:[9, 24], Operations: ['46-37=9', '42-18=24'] Exploring Operation: 9+24=33, Resulting Numbers: [33] 33,21 unequal: No Solution Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,21 unequal: No Solution No 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: 21:[18, 33], Operations: ['46-37=9', '42-9=33'] Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,21 unequal: No Solution Exploring Operation: 18+33=51, Resulting Numbers: [51] 51,21 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
[ 11, 43, 71, 3 ]
95
[ "71-43=28", "3*28=84", "11+84=95" ]
Current State: 95:[11, 43, 71, 3], Operations: [] Exploring Operation: 71-43=28, Resulting Numbers: [11, 3, 28] Generated Node #2: [11, 3, 28] from Operation: 71-43=28 Current State: 95:[11, 3, 28], Operations: ['71-43=28'] Exploring Operation: 3*28=84, Resulting Numbers: [11, 84] Generated Node #3: [11, 84] from Operation: 3*28=84 Current State: 95:[11, 84], Operations: ['71-43=28', '3*28=84'] Exploring Operation: 11+84=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[11, 43, 71, 3], Operations: [] Exploring Operation: 43-11=32, Resulting Numbers: [71, 3, 32] Generated Node #0,0: 95:[71, 3, 32] Operation: 43-11=32 Exploring Operation: 43+71=114, Resulting Numbers: [11, 3, 114] Generated Node #0,1: 95:[11, 3, 114] Operation: 43+71=114 Exploring Operation: 71-43=28, Resulting Numbers: [11, 3, 28] Generated Node #0,2: 95:[11, 3, 28] Operation: 71-43=28 Moving to Node #0,2 Current State: 95:[11, 3, 28], Operations: ['71-43=28'] Exploring Operation: 11-3=8, Resulting Numbers: [28, 8] Generated Node #0,2,0: 95:[28, 8] Operation: 11-3=8 Exploring Operation: 28-3=25, Resulting Numbers: [11, 25] Generated Node #0,2,1: 95:[11, 25] Operation: 28-3=25 Exploring Operation: 28-11=17, Resulting Numbers: [3, 17] Generated Node #0,2,2: 95:[3, 17] Operation: 28-11=17 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 95:[3, 17], Operations: ['71-43=28', '28-11=17'] Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,95 unequal: No Solution Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,95 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,95 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 #0,2,0 Current State: 95:[28, 8], Operations: ['71-43=28', '11-3=8'] Exploring Operation: 28+8=36, Resulting Numbers: [36] 36,95 unequal: No Solution Exploring Operation: 28*8=224, Resulting Numbers: [224] 224,95 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,95 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 #0,2,1 Current State: 95:[11, 25], Operations: ['71-43=28', '28-3=25'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,95 unequal: No Solution Exploring Operation: 11*25=275, Resulting Numbers: [275] 275,95 unequal: No Solution Exploring Operation: 11+25=36, Resulting Numbers: [36] 36,95 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: 95:[11, 3, 114], Operations: ['43+71=114'] Exploring Operation: 11-3=8, Resulting Numbers: [114, 8] Generated Node #0,1,0: 95:[114, 8] Operation: 11-3=8 Exploring Operation: 114-11=103, Resulting Numbers: [3, 103] Generated Node #0,1,1: 95:[3, 103] Operation: 114-11=103 Exploring Operation: 114-3=111, Resulting Numbers: [11, 111] Generated Node #0,1,2: 95:[11, 111] Operation: 114-3=111 Moving to Node #0,0 Current State: 95:[71, 3, 32], Operations: ['43-11=32'] Exploring Operation: 71+32=103, Resulting Numbers: [3, 103] Generated Node #0,0,0: 95:[3, 103] Operation: 71+32=103 Exploring Operation: 3*32=96, Resulting Numbers: [71, 96] Generated Node #0,0,1: 95:[71, 96] Operation: 3*32=96 Exploring Operation: 71-32=39, Resulting Numbers: [3, 39] Generated Node #0,0,2: 95:[3, 39] Operation: 71-32=39 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[3, 103], Operations: ['43-11=32', '71+32=103'] Exploring Operation: 3+103=106, Resulting Numbers: [106] 106,95 unequal: No Solution Exploring Operation: 103-3=100, Resulting Numbers: [100] 100,95 unequal: No Solution Exploring Operation: 3*103=309, Resulting Numbers: [309] 309,95 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 #0,0,2 Current State: 95:[3, 39], Operations: ['43-11=32', '71-32=39'] Exploring Operation: 3*39=117, Resulting Numbers: [117] 117,95 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,95 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,95 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:[71, 96], Operations: ['43-11=32', '3*32=96'] Exploring Operation: 71*96=6816, Resulting Numbers: [6816] 6816,95 unequal: No Solution Exploring Operation: 71+96=167, Resulting Numbers: [167] 167,95 unequal: No Solution Exploring Operation: 96-71=25, Resulting Numbers: [25] 25,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 95:[3, 103], Operations: ['43+71=114', '114-11=103'] Exploring Operation: 3+103=106, Resulting Numbers: [106] 106,95 unequal: No Solution Exploring Operation: 3*103=309, Resulting Numbers: [309] 309,95 unequal: No Solution Exploring Operation: 103-3=100, Resulting Numbers: [100] 100,95 unequal: No Solution Moving to Node #0,1,0 Current State: 95:[114, 8], Operations: ['43+71=114', '11-3=8'] Exploring Operation: 114-8=106, Resulting Numbers: [106] 106,95 unequal: No Solution Exploring Operation: 114*8=912, Resulting Numbers: [912] 912,95 unequal: No Solution Exploring Operation: 114+8=122, Resulting Numbers: [122] 122,95 unequal: No Solution Moving to Node #0,1,2 Current State: 95:[11, 111], Operations: ['43+71=114', '114-3=111'] Exploring Operation: 111-11=100, Resulting Numbers: [100] 100,95 unequal: No Solution Exploring Operation: 11*111=1221, Resulting Numbers: [1221] 1221,95 unequal: No Solution Exploring Operation: 11+111=122, Resulting Numbers: [122] 122,95 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 68, 62, 97, 21 ]
12
[ "68+62=130", "97+21=118", "130-118=12" ]
Current State: 12:[68, 62, 97, 21], Operations: [] Exploring Operation: 68+62=130, Resulting Numbers: [97, 21, 130] Generated Node #2: [97, 21, 130] from Operation: 68+62=130 Current State: 12:[97, 21, 130], Operations: ['68+62=130'] Exploring Operation: 97+21=118, Resulting Numbers: [130, 118] Generated Node #3: [130, 118] from Operation: 97+21=118 Current State: 12:[130, 118], Operations: ['68+62=130', '97+21=118'] Exploring Operation: 130-118=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[68, 62, 97, 21], Operations: [] Exploring Operation: 97-68=29, Resulting Numbers: [62, 21, 29] Generated Node #0,0: 12:[62, 21, 29] Operation: 97-68=29 Moving to Node #0,0 Current State: 12:[62, 21, 29], Operations: ['97-68=29'] Exploring Operation: 62-29=33, Resulting Numbers: [21, 33] Generated Node #0,0,0: 12:[21, 33] Operation: 62-29=33 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[21, 33], Operations: ['97-68=29', '62-29=33'] Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[68, 62, 97, 21], Operations: [] Exploring Operation: 97-68=29, Resulting Numbers: [62, 21, 29] Generated Node #0,0: 12:[62, 21, 29] Operation: 97-68=29 Moving to Node #0,0 Current State: 12:[62, 21, 29], Operations: ['97-68=29'] Exploring Operation: 62-29=33, Resulting Numbers: [21, 33] Generated Node #0,0,0: 12:[21, 33] Operation: 62-29=33 Moving to Node #0,0,0 Current State: 12:[21, 33], Operations: ['97-68=29', '62-29=33'] Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 82, 41, 70, 95 ]
42
[ "82+41=123", "70+95=165", "165-123=42" ]
Current State: 42:[82, 41, 70, 95], Operations: [] Exploring Operation: 82+41=123, Resulting Numbers: [70, 95, 123] Generated Node #2: [70, 95, 123] from Operation: 82+41=123 Current State: 42:[70, 95, 123], Operations: ['82+41=123'] Exploring Operation: 70+95=165, Resulting Numbers: [123, 165] Generated Node #3: [123, 165] from Operation: 70+95=165 Current State: 42:[123, 165], Operations: ['82+41=123', '70+95=165'] Exploring Operation: 165-123=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[82, 41, 70, 95], Operations: [] Exploring Operation: 82-70=12, Resulting Numbers: [41, 95, 12] Generated Node #0,0: 42:[41, 95, 12] Operation: 82-70=12 Exploring Operation: 95-41=54, Resulting Numbers: [82, 70, 54] Generated Node #0,1: 42:[82, 70, 54] Operation: 95-41=54 Exploring Operation: 95-70=25, Resulting Numbers: [82, 41, 25] Generated Node #0,2: 42:[82, 41, 25] Operation: 95-70=25 Exploring Operation: 95-82=13, Resulting Numbers: [41, 70, 13] Generated Node #0,3: 42:[41, 70, 13] Operation: 95-82=13 Start Sub Search at level 1: Moving to Node #0,3 Current State: 42:[41, 70, 13], Operations: ['95-82=13'] Exploring Operation: 41-13=28, Resulting Numbers: [70, 28] Generated Node #0,3,0: 42:[70, 28] Operation: 41-13=28 Exploring Operation: 41+13=54, Resulting Numbers: [70, 54] Generated Node #0,3,1: 42:[70, 54] Operation: 41+13=54 Exploring Operation: 70-41=29, Resulting Numbers: [13, 29] Generated Node #0,3,2: 42:[13, 29] Operation: 70-41=29 Exploring Operation: 70-13=57, Resulting Numbers: [41, 57] Generated Node #0,3,3: 42:[41, 57] Operation: 70-13=57 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 42:[13, 29], Operations: ['95-82=13', '70-41=29'] Exploring Operation: 13+29=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[82, 41, 70, 95], Operations: [] Exploring Operation: 95-82=13, Resulting Numbers: [41, 70, 13] Generated Node #0,3: 42:[41, 70, 13] Operation: 95-82=13 Moving to Node #0,3 Current State: 42:[41, 70, 13], Operations: ['95-82=13'] Exploring Operation: 70-41=29, Resulting Numbers: [13, 29] Generated Node #0,3,2: 42:[13, 29] Operation: 70-41=29 Moving to Node #0,3,2 Current State: 42:[13, 29], Operations: ['95-82=13', '70-41=29'] Exploring Operation: 13+29=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 19, 86, 13, 93 ]
68
[ "19*13=247", "86+93=179", "247-179=68" ]
Current State: 68:[19, 86, 13, 93], Operations: [] Exploring Operation: 19*13=247, Resulting Numbers: [86, 93, 247] Generated Node #2: [86, 93, 247] from Operation: 19*13=247 Current State: 68:[86, 93, 247], Operations: ['19*13=247'] Exploring Operation: 86+93=179, Resulting Numbers: [247, 179] Generated Node #3: [247, 179] from Operation: 86+93=179 Current State: 68:[247, 179], Operations: ['19*13=247', '86+93=179'] Exploring Operation: 247-179=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[19, 86, 13, 93], Operations: [] Exploring Operation: 93-86=7, Resulting Numbers: [19, 13, 7] Generated Node #0,0: 68:[19, 13, 7] Operation: 93-86=7 Exploring Operation: 93-19=74, Resulting Numbers: [86, 13, 74] Generated Node #0,1: 68:[86, 13, 74] Operation: 93-19=74 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[19, 13, 7], Operations: ['93-86=7'] Exploring Operation: 13-7=6, Resulting Numbers: [19, 6] Generated Node #0,0,0: 68:[19, 6] Operation: 13-7=6 Exploring Operation: 19+13=32, Resulting Numbers: [7, 32] Generated Node #0,0,1: 68:[7, 32] Operation: 19+13=32 Moving to Node #0,0,0 Current State: 68:[19, 6], Operations: ['93-86=7', '13-7=6'] Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[7, 32], Operations: ['93-86=7', '19+13=32'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[86, 13, 74], Operations: ['93-19=74'] Exploring Operation: 86-13=73, Resulting Numbers: [74, 73] Generated Node #0,1,0: 68:[74, 73] Operation: 86-13=73 Exploring Operation: 86-74=12, Resulting Numbers: [13, 12] Generated Node #0,1,1: 68:[13, 12] Operation: 86-74=12 Moving to Node #0,1,1 Current State: 68:[13, 12], Operations: ['93-19=74', '86-74=12'] Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,68 unequal: No Solution Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[74, 73], Operations: ['93-19=74', '86-13=73'] Exploring Operation: 74+73=147, Resulting Numbers: [147] 147,68 unequal: No Solution Exploring Operation: 74-73=1, Resulting Numbers: [1] 1,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 64, 66, 97, 16 ]
17
[ "64+66=130", "97+16=113", "130-113=17" ]
Current State: 17:[64, 66, 97, 16], Operations: [] Exploring Operation: 64+66=130, Resulting Numbers: [97, 16, 130] Generated Node #2: [97, 16, 130] from Operation: 64+66=130 Current State: 17:[97, 16, 130], Operations: ['64+66=130'] Exploring Operation: 97+16=113, Resulting Numbers: [130, 113] Generated Node #3: [130, 113] from Operation: 97+16=113 Current State: 17:[130, 113], Operations: ['64+66=130', '97+16=113'] Exploring Operation: 130-113=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[64, 66, 97, 16], Operations: [] Exploring Operation: 97-66=31, Resulting Numbers: [64, 16, 31] Generated Node #0,0: 17:[64, 16, 31] Operation: 97-66=31 Exploring Operation: 97-64=33, Resulting Numbers: [66, 16, 33] Generated Node #0,1: 17:[66, 16, 33] Operation: 97-64=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[64, 16, 31], Operations: ['97-66=31'] Exploring Operation: 64/16=4, Resulting Numbers: [31, 4] Generated Node #0,0,0: 17:[31, 4] Operation: 64/16=4 Exploring Operation: 64-31=33, Resulting Numbers: [16, 33] Generated Node #0,0,1: 17:[16, 33] Operation: 64-31=33 Moving to Node #0,0,1 Current State: 17:[16, 33], Operations: ['97-66=31', '64-31=33'] Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[64, 66, 97, 16], Operations: [] Exploring Operation: 97-66=31, Resulting Numbers: [64, 16, 31] Generated Node #0,0: 17:[64, 16, 31] Operation: 97-66=31 Moving to Node #0,0 Current State: 17:[64, 16, 31], Operations: ['97-66=31'] Exploring Operation: 64-31=33, Resulting Numbers: [16, 33] Generated Node #0,0,1: 17:[16, 33] Operation: 64-31=33 Moving to Node #0,0,1 Current State: 17:[16, 33], Operations: ['97-66=31', '64-31=33'] Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 67, 4, 39, 44 ]
95
[ "67+39=106", "44/4=11", "106-11=95" ]
Current State: 95:[67, 4, 39, 44], Operations: [] Exploring Operation: 67+39=106, Resulting Numbers: [4, 44, 106] Generated Node #2: [4, 44, 106] from Operation: 67+39=106 Current State: 95:[4, 44, 106], Operations: ['67+39=106'] Exploring Operation: 44/4=11, Resulting Numbers: [106, 11] Generated Node #3: [106, 11] from Operation: 44/4=11 Current State: 95:[106, 11], Operations: ['67+39=106', '44/4=11'] Exploring Operation: 106-11=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[67, 4, 39, 44], Operations: [] Exploring Operation: 67-39=28, Resulting Numbers: [4, 44, 28] Generated Node #0,0: 95:[4, 44, 28] Operation: 67-39=28 Exploring Operation: 67-44=23, Resulting Numbers: [4, 39, 23] Generated Node #0,1: 95:[4, 39, 23] Operation: 67-44=23 Exploring Operation: 67+39=106, Resulting Numbers: [4, 44, 106] Generated Node #0,2: 95:[4, 44, 106] Operation: 67+39=106 Exploring Operation: 67+44=111, Resulting Numbers: [4, 39, 111] Generated Node #0,3: 95:[4, 39, 111] Operation: 67+44=111 Exploring Operation: 44-39=5, Resulting Numbers: [67, 4, 5] Generated Node #0,4: 95:[67, 4, 5] Operation: 44-39=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[4, 39, 23], Operations: ['67-44=23'] Exploring Operation: 39-23=16, Resulting Numbers: [4, 16] Generated Node #0,1,0: 95:[4, 16] Operation: 39-23=16 Exploring Operation: 23-4=19, Resulting Numbers: [39, 19] Generated Node #0,1,1: 95:[39, 19] Operation: 23-4=19 Exploring Operation: 4+39=43, Resulting Numbers: [23, 43] Generated Node #0,1,2: 95:[23, 43] Operation: 4+39=43 Exploring Operation: 4*23=92, Resulting Numbers: [39, 92] Generated Node #0,1,3: 95:[39, 92] Operation: 4*23=92 Exploring Operation: 39-4=35, Resulting Numbers: [23, 35] Generated Node #0,1,4: 95:[23, 35] Operation: 39-4=35 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 95:[4, 16], Operations: ['67-44=23', '39-23=16'] Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,95 unequal: No Solution Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,95 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,95 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 95:[39, 19], Operations: ['67-44=23', '23-4=19'] Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,95 unequal: No Solution Exploring Operation: 39*19=741, Resulting Numbers: [741] 741,95 unequal: No Solution Exploring Operation: 39+19=58, Resulting Numbers: [58] 58,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 95:[23, 35], Operations: ['67-44=23', '39-4=35'] Exploring Operation: 23*35=805, Resulting Numbers: [805] 805,95 unequal: No Solution Exploring Operation: 23+35=58, Resulting Numbers: [58] 58,95 unequal: No Solution Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 95:[39, 92], Operations: ['67-44=23', '4*23=92'] Exploring Operation: 39+92=131, Resulting Numbers: [131] 131,95 unequal: No Solution Exploring Operation: 39*92=3588, Resulting Numbers: [3588] 3588,95 unequal: No Solution Exploring Operation: 92-39=53, Resulting Numbers: [53] 53,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 95:[23, 43], Operations: ['67-44=23', '4+39=43'] Exploring Operation: 23*43=989, Resulting Numbers: [989] 989,95 unequal: No Solution Exploring Operation: 43-23=20, Resulting Numbers: [20] 20,95 unequal: No Solution Exploring Operation: 23+43=66, Resulting Numbers: [66] 66,95 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 #0,4 Current State: 95:[67, 4, 5], Operations: ['44-39=5'] Exploring Operation: 4+5=9, Resulting Numbers: [67, 9] Generated Node #0,4,0: 95:[67, 9] Operation: 4+5=9 Exploring Operation: 4*5=20, Resulting Numbers: [67, 20] Generated Node #0,4,1: 95:[67, 20] Operation: 4*5=20 Exploring Operation: 67+4=71, Resulting Numbers: [5, 71] Generated Node #0,4,2: 95:[5, 71] Operation: 67+4=71 Exploring Operation: 67+5=72, Resulting Numbers: [4, 72] Generated Node #0,4,3: 95:[4, 72] Operation: 67+5=72 Exploring Operation: 67-4=63, Resulting Numbers: [5, 63] Generated Node #0,4,4: 95:[5, 63] Operation: 67-4=63 Moving to Node #0,4,2 Current State: 95:[5, 71], Operations: ['44-39=5', '67+4=71'] Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,95 unequal: No Solution Exploring Operation: 5+71=76, Resulting Numbers: [76] 76,95 unequal: No Solution Exploring Operation: 5*71=355, Resulting Numbers: [355] 355,95 unequal: No Solution Moving to Node #0,4,3 Current State: 95:[4, 72], Operations: ['44-39=5', '67+5=72'] Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,95 unequal: No Solution Exploring Operation: 4*72=288, Resulting Numbers: [288] 288,95 unequal: No Solution Exploring Operation: 4+72=76, Resulting Numbers: [76] 76,95 unequal: No Solution Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,95 unequal: No Solution Moving to Node #0,4,1 Current State: 95:[67, 20], Operations: ['44-39=5', '4*5=20'] Exploring Operation: 67+20=87, Resulting Numbers: [87] 87,95 unequal: No Solution Exploring Operation: 67*20=1340, Resulting Numbers: [1340] 1340,95 unequal: No Solution Exploring Operation: 67-20=47, Resulting Numbers: [47] 47,95 unequal: No Solution Moving to Node #0,4,0 Current State: 95:[67, 9], Operations: ['44-39=5', '4+5=9'] Exploring Operation: 67*9=603, Resulting Numbers: [603] 603,95 unequal: No Solution Exploring Operation: 67+9=76, Resulting Numbers: [76] 76,95 unequal: No Solution Exploring Operation: 67-9=58, Resulting Numbers: [58] 58,95 unequal: No Solution Moving to Node #0,4,4 Current State: 95:[5, 63], Operations: ['44-39=5', '67-4=63'] Exploring Operation: 5+63=68, Resulting Numbers: [68] 68,95 unequal: No Solution Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,95 unequal: No Solution Exploring Operation: 5*63=315, Resulting Numbers: [315] 315,95 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 Current State: 95:[4, 44, 28], Operations: ['67-39=28'] Exploring Operation: 28/4=7, Resulting Numbers: [44, 7] Generated Node #0,0,0: 95:[44, 7] Operation: 28/4=7 Exploring Operation: 44-4=40, Resulting Numbers: [28, 40] Generated Node #0,0,1: 95:[28, 40] Operation: 44-4=40 Exploring Operation: 44/4=11, Resulting Numbers: [28, 11] Generated Node #0,0,2: 95:[28, 11] Operation: 44/4=11 Exploring Operation: 44-28=16, Resulting Numbers: [4, 16] Generated Node #0,0,3: 95:[4, 16] Operation: 44-28=16 Exploring Operation: 44+28=72, Resulting Numbers: [4, 72] Generated Node #0,0,4: 95:[4, 72] Operation: 44+28=72 Moving to Node #0,0,3 Current State: 95:[4, 16], Operations: ['67-39=28', '44-28=16'] Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,95 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,95 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,95 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,95 unequal: No Solution Moving to Node #0,0,2 Current State: 95:[28, 11], Operations: ['67-39=28', '44/4=11'] Exploring Operation: 28*11=308, Resulting Numbers: [308] 308,95 unequal: No Solution Exploring Operation: 28+11=39, Resulting Numbers: [39] 39,95 unequal: No Solution Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,95 unequal: No Solution Moving to Node #0,0,4 Current State: 95:[4, 72], Operations: ['67-39=28', '44+28=72'] Exploring Operation: 4*72=288, Resulting Numbers: [288] 288,95 unequal: No Solution Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,95 unequal: No Solution Exploring Operation: 4+72=76, Resulting Numbers: [76] 76,95 unequal: No Solution Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,95 unequal: No Solution Moving to Node #0,0,0 Current State: 95:[44, 7], Operations: ['67-39=28', '28/4=7'] Exploring Operation: 44*7=308, Resulting Numbers: [308] 308,95 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,95 unequal: No Solution Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,95 unequal: No Solution Moving to Node #0,0,1 Current State: 95:[28, 40], Operations: ['67-39=28', '44-4=40'] Exploring Operation: 28+40=68, Resulting Numbers: [68] 68,95 unequal: No Solution Exploring Operation: 40-28=12, Resulting Numbers: [12] 12,95 unequal: No Solution Exploring Operation: 28*40=1120, Resulting Numbers: [1120] 1120,95 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 #0,2 Current State: 95:[4, 44, 106], Operations: ['67+39=106'] Exploring Operation: 44/4=11, Resulting Numbers: [106, 11] Generated Node #0,2,0: 95:[106, 11] Operation: 44/4=11 Exploring Operation: 4+44=48, Resulting Numbers: [106, 48] Generated Node #0,2,1: 95:[106, 48] Operation: 4+44=48 Exploring Operation: 106-4=102, Resulting Numbers: [44, 102] Generated Node #0,2,2: 95:[44, 102] Operation: 106-4=102 Exploring Operation: 106-44=62, Resulting Numbers: [4, 62] Generated Node #0,2,3: 95:[4, 62] Operation: 106-44=62 Exploring Operation: 44-4=40, Resulting Numbers: [106, 40] Generated Node #0,2,4: 95:[106, 40] Operation: 44-4=40 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 95:[106, 11], Operations: ['67+39=106', '44/4=11'] Exploring Operation: 106*11=1166, Resulting Numbers: [1166] 1166,95 unequal: No Solution Exploring Operation: 106+11=117, Resulting Numbers: [117] 117,95 unequal: No Solution Exploring Operation: 106-11=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[67, 4, 39, 44], Operations: [] Exploring Operation: 67+39=106, Resulting Numbers: [4, 44, 106] Generated Node #0,2: 95:[4, 44, 106] Operation: 67+39=106 Moving to Node #0,2 Current State: 95:[4, 44, 106], Operations: ['67+39=106'] Exploring Operation: 44/4=11, Resulting Numbers: [106, 11] Generated Node #0,2,0: 95:[106, 11] Operation: 44/4=11 Moving to Node #0,2,0 Current State: 95:[106, 11], Operations: ['67+39=106', '44/4=11'] Exploring Operation: 106-11=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.929688
hs_5
sum_heuristic
[ 31, 9, 70, 32 ]
10
[ "31+32=63", "9*70=630", "630/63=10" ]
Current State: 10:[31, 9, 70, 32], Operations: [] Exploring Operation: 31+32=63, Resulting Numbers: [9, 70, 63] Generated Node #2: [9, 70, 63] from Operation: 31+32=63 Current State: 10:[9, 70, 63], Operations: ['31+32=63'] Exploring Operation: 9*70=630, Resulting Numbers: [63, 630] Generated Node #3: [63, 630] from Operation: 9*70=630 Current State: 10:[63, 630], Operations: ['31+32=63', '9*70=630'] Exploring Operation: 630/63=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[31, 9, 70, 32], Operations: [] Exploring Operation: 31-9=22, Resulting Numbers: [70, 32, 22] Generated Node #0,0: 10:[70, 32, 22] Operation: 31-9=22 Exploring Operation: 70-9=61, Resulting Numbers: [31, 32, 61] Generated Node #0,1: 10:[31, 32, 61] Operation: 70-9=61 Exploring Operation: 70-32=38, Resulting Numbers: [31, 9, 38] Generated Node #0,2: 10:[31, 9, 38] Operation: 70-32=38 Exploring Operation: 70-31=39, Resulting Numbers: [9, 32, 39] Generated Node #0,3: 10:[9, 32, 39] Operation: 70-31=39 Exploring Operation: 32-31=1, Resulting Numbers: [9, 70, 1] Generated Node #0,4: 10:[9, 70, 1] Operation: 32-31=1 Start Sub Search at level 1: Moving to Node #0,2 Current State: 10:[31, 9, 38], Operations: ['70-32=38'] Exploring Operation: 38-9=29, Resulting Numbers: [31, 29] Generated Node #0,2,0: 10:[31, 29] Operation: 38-9=29 Exploring Operation: 31+9=40, Resulting Numbers: [38, 40] Generated Node #0,2,1: 10:[38, 40] Operation: 31+9=40 Exploring Operation: 9+38=47, Resulting Numbers: [31, 47] Generated Node #0,2,2: 10:[31, 47] Operation: 9+38=47 Exploring Operation: 38-31=7, Resulting Numbers: [9, 7] Generated Node #0,2,3: 10:[9, 7] Operation: 38-31=7 Exploring Operation: 31-9=22, Resulting Numbers: [38, 22] Generated Node #0,2,4: 10:[38, 22] Operation: 31-9=22 Moving to Node #0,2,3 Current State: 10:[9, 7], Operations: ['70-32=38', '38-31=7'] Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,10 unequal: No Solution Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,10 unequal: No Solution Moving to Node #0,2,4 Current State: 10:[38, 22], Operations: ['70-32=38', '31-9=22'] Exploring Operation: 38+22=60, Resulting Numbers: [60] 60,10 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,10 unequal: No Solution Exploring Operation: 38*22=836, Resulting Numbers: [836] 836,10 unequal: No Solution Moving to Node #0,2,0 Current State: 10:[31, 29], Operations: ['70-32=38', '38-9=29'] Exploring Operation: 31*29=899, Resulting Numbers: [899] 899,10 unequal: No Solution Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 31+29=60, Resulting Numbers: [60] 60,10 unequal: No Solution Moving to Node #0,2,1 Current State: 10:[38, 40], Operations: ['70-32=38', '31+9=40'] Exploring Operation: 38*40=1520, Resulting Numbers: [1520] 1520,10 unequal: No Solution Exploring Operation: 40-38=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 38+40=78, Resulting Numbers: [78] 78,10 unequal: No Solution Moving to Node #0,2,2 Current State: 10:[31, 47], Operations: ['70-32=38', '9+38=47'] Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,10 unequal: No Solution Exploring Operation: 31+47=78, Resulting Numbers: [78] 78,10 unequal: No Solution Exploring Operation: 31*47=1457, Resulting Numbers: [1457] 1457,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 10:[9, 32, 39], Operations: ['70-31=39'] Exploring Operation: 39-32=7, Resulting Numbers: [9, 7] Generated Node #0,3,0: 10:[9, 7] Operation: 39-32=7 Exploring Operation: 32-9=23, Resulting Numbers: [39, 23] Generated Node #0,3,1: 10:[39, 23] Operation: 32-9=23 Exploring Operation: 39-9=30, Resulting Numbers: [32, 30] Generated Node #0,3,2: 10:[32, 30] Operation: 39-9=30 Exploring Operation: 9+32=41, Resulting Numbers: [39, 41] Generated Node #0,3,3: 10:[39, 41] Operation: 9+32=41 Exploring Operation: 9+39=48, Resulting Numbers: [32, 48] Generated Node #0,3,4: 10:[32, 48] Operation: 9+39=48 Moving to Node #0,3,0 Current State: 10:[9, 7], Operations: ['70-31=39', '39-32=7'] Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,10 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,10 unequal: No Solution Moving to Node #0,3,2 Current State: 10:[32, 30], Operations: ['70-31=39', '39-9=30'] Exploring Operation: 32*30=960, Resulting Numbers: [960] 960,10 unequal: No Solution Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,10 unequal: No Solution Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,10 unequal: No Solution Moving to Node #0,3,1 Current State: 10:[39, 23], Operations: ['70-31=39', '32-9=23'] Exploring Operation: 39+23=62, Resulting Numbers: [62] 62,10 unequal: No Solution Exploring Operation: 39*23=897, Resulting Numbers: [897] 897,10 unequal: No Solution Exploring Operation: 39-23=16, Resulting Numbers: [16] 16,10 unequal: No Solution Moving to Node #0,3,3 Current State: 10:[39, 41], Operations: ['70-31=39', '9+32=41'] Exploring Operation: 41-39=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 39*41=1599, Resulting Numbers: [1599] 1599,10 unequal: No Solution Exploring Operation: 39+41=80, Resulting Numbers: [80] 80,10 unequal: No Solution Moving to Node #0,3,4 Current State: 10:[32, 48], Operations: ['70-31=39', '9+39=48'] Exploring Operation: 32+48=80, Resulting Numbers: [80] 80,10 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,10 unequal: No Solution Exploring Operation: 32*48=1536, Resulting Numbers: [1536] 1536,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 10:[9, 70, 1], Operations: ['32-31=1'] Exploring Operation: 9*1=9, Resulting Numbers: [70, 9] Generated Node #0,4,0: 10:[70, 9] Operation: 9*1=9 Exploring Operation: 9+1=10, Resulting Numbers: [70, 10] Generated Node #0,4,1: 10:[70, 10] Operation: 9+1=10 Exploring Operation: 9/1=9, Resulting Numbers: [70, 9] Generated Node #0,4,2: 10:[70, 9] Operation: 9/1=9 Exploring Operation: 70-9=61, Resulting Numbers: [1, 61] Generated Node #0,4,3: 10:[1, 61] Operation: 70-9=61 Exploring Operation: 70-1=69, Resulting Numbers: [9, 69] Generated Node #0,4,4: 10:[9, 69] Operation: 70-1=69 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 10:[1, 61], Operations: ['32-31=1', '70-9=61'] Exploring Operation: 1*61=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 1+61=62, Resulting Numbers: [62] 62,10 unequal: No Solution Exploring Operation: 61/1=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,10 unequal: No Solution No 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: 10:[70, 10], Operations: ['32-31=1', '9+1=10'] Exploring Operation: 70*10=700, Resulting Numbers: [700] 700,10 unequal: No Solution Exploring Operation: 70+10=80, Resulting Numbers: [80] 80,10 unequal: No Solution Exploring Operation: 70-10=60, Resulting Numbers: [60] 60,10 unequal: No Solution Exploring Operation: 70/10=7, Resulting Numbers: [7] 7,10 unequal: No Solution No 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: 10:[9, 69], Operations: ['32-31=1', '70-1=69'] Exploring Operation: 69-9=60, Resulting Numbers: [60] 60,10 unequal: No Solution Exploring Operation: 9*69=621, Resulting Numbers: [621] 621,10 unequal: No Solution Exploring Operation: 9+69=78, Resulting Numbers: [78] 78,10 unequal: No Solution No 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: 10:[70, 9], Operations: ['32-31=1', '9*1=9'] Exploring Operation: 70*9=630, Resulting Numbers: [630] 630,10 unequal: No Solution Exploring Operation: 70+9=79, Resulting Numbers: [79] 79,10 unequal: No Solution Exploring Operation: 70-9=61, Resulting Numbers: [61] 61,10 unequal: No Solution No 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: 10:[70, 9], Operations: ['32-31=1', '9/1=9'] Exploring Operation: 70-9=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 70*9=630, Resulting Numbers: [630] 630,10 unequal: No Solution Exploring Operation: 70+9=79, Resulting Numbers: [79] 79,10 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: 10:[70, 32, 22], Operations: ['31-9=22'] Exploring Operation: 32-22=10, Resulting Numbers: [70, 10] Generated Node #0,0,0: 10:[70, 10] Operation: 32-22=10 Exploring Operation: 70-32=38, Resulting Numbers: [22, 38] Generated Node #0,0,1: 10:[22, 38] Operation: 70-32=38 Exploring Operation: 70+22=92, Resulting Numbers: [32, 92] Generated Node #0,0,2: 10:[32, 92] Operation: 70+22=92 Exploring Operation: 70-22=48, Resulting Numbers: [32, 48] Generated Node #0,0,3: 10:[32, 48] Operation: 70-22=48 Exploring Operation: 70+32=102, Resulting Numbers: [22, 102] Generated Node #0,0,4: 10:[22, 102] Operation: 70+32=102 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 10:[22, 38], Operations: ['31-9=22', '70-32=38'] Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,10 unequal: No Solution Exploring Operation: 22*38=836, Resulting Numbers: [836] 836,10 unequal: No Solution Exploring Operation: 22+38=60, Resulting Numbers: [60] 60,10 unequal: No Solution No 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: 10:[70, 10], Operations: ['31-9=22', '32-22=10'] Exploring Operation: 70/10=7, Resulting Numbers: [7] 7,10 unequal: No Solution Exploring Operation: 70+10=80, Resulting Numbers: [80] 80,10 unequal: No Solution Exploring Operation: 70-10=60, Resulting Numbers: [60] 60,10 unequal: No Solution Exploring Operation: 70*10=700, Resulting Numbers: [700] 700,10 unequal: No Solution No 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: 10:[32, 48], Operations: ['31-9=22', '70-22=48'] Exploring Operation: 32+48=80, Resulting Numbers: [80] 80,10 unequal: No Solution Exploring Operation: 32*48=1536, Resulting Numbers: [1536] 1536,10 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,10 unequal: No Solution No 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: 10:[32, 92], Operations: ['31-9=22', '70+22=92'] Exploring Operation: 32*92=2944, Resulting Numbers: [2944] 2944,10 unequal: No Solution Exploring Operation: 32+92=124, Resulting Numbers: [124] 124,10 unequal: No Solution Exploring Operation: 92-32=60, Resulting Numbers: [60] 60,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 10:[22, 102], Operations: ['31-9=22', '70+32=102'] Exploring Operation: 102-22=80, Resulting Numbers: [80] 80,10 unequal: No Solution Exploring Operation: 22*102=2244, Resulting Numbers: [2244] 2244,10 unequal: No Solution Exploring Operation: 22+102=124, Resulting Numbers: [124] 124,10 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: 10:[31, 32, 61], Operations: ['70-9=61'] Exploring Operation: 61-31=30, Resulting Numbers: [32, 30] Generated Node #0,1,0: 10:[32, 30] Operation: 61-31=30 Exploring Operation: 31+32=63, Resulting Numbers: [61, 63] Generated Node #0,1,1: 10:[61, 63] Operation: 31+32=63 Exploring Operation: 32-31=1, Resulting Numbers: [61, 1] Generated Node #0,1,2: 10:[61, 1] Operation: 32-31=1 Exploring Operation: 61-32=29, Resulting Numbers: [31, 29] Generated Node #0,1,3: 10:[31, 29] Operation: 61-32=29 Exploring Operation: 31+61=92, Resulting Numbers: [32, 92] Generated Node #0,1,4: 10:[32, 92] Operation: 31+61=92 Moving to Node #0,1,3 Current State: 10:[31, 29], Operations: ['70-9=61', '61-32=29'] Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 31*29=899, Resulting Numbers: [899] 899,10 unequal: No Solution Exploring Operation: 31+29=60, Resulting Numbers: [60] 60,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[32, 30], Operations: ['70-9=61', '61-31=30'] Exploring Operation: 32*30=960, Resulting Numbers: [960] 960,10 unequal: No Solution Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,10 unequal: No Solution Moving to Node #0,1,2 Current State: 10:[61, 1], Operations: ['70-9=61', '32-31=1'] Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,10 unequal: No Solution Exploring Operation: 61*1=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 61/1=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 61+1=62, Resulting Numbers: [62] 62,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[61, 63], Operations: ['70-9=61', '31+32=63'] Exploring Operation: 63-61=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 61+63=124, Resulting Numbers: [124] 124,10 unequal: No Solution Exploring Operation: 61*63=3843, Resulting Numbers: [3843] 3843,10 unequal: No Solution Moving to Node #0,1,4 Current State: 10:[32, 92], Operations: ['70-9=61', '31+61=92'] Exploring Operation: 32+92=124, Resulting Numbers: [124] 124,10 unequal: No Solution Exploring Operation: 32*92=2944, Resulting Numbers: [2944] 2944,10 unequal: No Solution Exploring Operation: 92-32=60, Resulting Numbers: [60] 60,10 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
[ 68, 84, 21, 82 ]
77
[ "84-68=16", "82-21=61", "16+61=77" ]
Current State: 77:[68, 84, 21, 82], Operations: [] Exploring Operation: 84-68=16, Resulting Numbers: [21, 82, 16] Generated Node #2: [21, 82, 16] from Operation: 84-68=16 Current State: 77:[21, 82, 16], Operations: ['84-68=16'] Exploring Operation: 82-21=61, Resulting Numbers: [16, 61] Generated Node #3: [16, 61] from Operation: 82-21=61 Current State: 77:[16, 61], Operations: ['84-68=16', '82-21=61'] Exploring Operation: 16+61=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[68, 84, 21, 82], Operations: [] Exploring Operation: 84/21=4, Resulting Numbers: [68, 82, 4] Generated Node #0,0: 77:[68, 82, 4] Operation: 84/21=4 Exploring Operation: 84-68=16, Resulting Numbers: [21, 82, 16] Generated Node #0,1: 77:[21, 82, 16] Operation: 84-68=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[68, 82, 4], Operations: ['84/21=4'] Exploring Operation: 82-68=14, Resulting Numbers: [4, 14] Generated Node #0,0,0: 77:[4, 14] Operation: 82-68=14 Exploring Operation: 68+4=72, Resulting Numbers: [82, 72] Generated Node #0,0,1: 77:[82, 72] Operation: 68+4=72 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 77:[4, 14], Operations: ['84/21=4', '82-68=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,77 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 77:[82, 72], Operations: ['84/21=4', '68+4=72'] Exploring Operation: 82+72=154, Resulting Numbers: [154] 154,77 unequal: No Solution Exploring Operation: 82-72=10, Resulting Numbers: [10] 10,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[21, 82, 16], Operations: ['84-68=16'] Exploring Operation: 21-16=5, Resulting Numbers: [82, 5] Generated Node #0,1,0: 77:[82, 5] Operation: 21-16=5 Exploring Operation: 82-21=61, Resulting Numbers: [16, 61] Generated Node #0,1,1: 77:[16, 61] Operation: 82-21=61 Moving to Node #0,1,0 Current State: 77:[82, 5], Operations: ['84-68=16', '21-16=5'] Exploring Operation: 82+5=87, Resulting Numbers: [87] 87,77 unequal: No Solution Exploring Operation: 82-5=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[68, 84, 21, 82], Operations: [] Exploring Operation: 84-68=16, Resulting Numbers: [21, 82, 16] Generated Node #0,1: 77:[21, 82, 16] Operation: 84-68=16 Moving to Node #0,1 Current State: 77:[21, 82, 16], Operations: ['84-68=16'] Exploring Operation: 21-16=5, Resulting Numbers: [82, 5] Generated Node #0,1,0: 77:[82, 5] Operation: 21-16=5 Moving to Node #0,1,0 Current State: 77:[82, 5], Operations: ['84-68=16', '21-16=5'] Exploring Operation: 82-5=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 31, 93, 4, 86 ]
55
[ "31+93=124", "124/4=31", "86-31=55" ]
Current State: 55:[31, 93, 4, 86], Operations: [] Exploring Operation: 31+93=124, Resulting Numbers: [4, 86, 124] Generated Node #2: [4, 86, 124] from Operation: 31+93=124 Current State: 55:[4, 86, 124], Operations: ['31+93=124'] Exploring Operation: 124/4=31, Resulting Numbers: [86, 31] Generated Node #3: [86, 31] from Operation: 124/4=31 Current State: 55:[86, 31], Operations: ['31+93=124', '124/4=31'] Exploring Operation: 86-31=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[31, 93, 4, 86], Operations: [] Exploring Operation: 93-86=7, Resulting Numbers: [31, 4, 7] Generated Node #0,0: 55:[31, 4, 7] Operation: 93-86=7 Exploring Operation: 93/31=3, Resulting Numbers: [4, 86, 3] Generated Node #0,1: 55:[4, 86, 3] Operation: 93/31=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[31, 4, 7], Operations: ['93-86=7'] Exploring Operation: 31-7=24, Resulting Numbers: [4, 24] Generated Node #0,0,0: 55:[4, 24] Operation: 31-7=24 Exploring Operation: 31-4=27, Resulting Numbers: [7, 27] Generated Node #0,0,1: 55:[7, 27] Operation: 31-4=27 Moving to Node #0,0,0 Current State: 55:[4, 24], Operations: ['93-86=7', '31-7=24'] Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[7, 27], Operations: ['93-86=7', '31-4=27'] Exploring Operation: 7+27=34, Resulting Numbers: [34] 34,55 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,55 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:[4, 86, 3], Operations: ['93/31=3'] Exploring Operation: 86-4=82, Resulting Numbers: [3, 82] Generated Node #0,1,0: 55:[3, 82] Operation: 86-4=82 Exploring Operation: 86-3=83, Resulting Numbers: [4, 83] Generated Node #0,1,1: 55:[4, 83] Operation: 86-3=83 Moving to Node #0,1,0 Current State: 55:[3, 82], Operations: ['93/31=3', '86-4=82'] Exploring Operation: 3+82=85, Resulting Numbers: [85] 85,55 unequal: No Solution Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[4, 83], Operations: ['93/31=3', '86-3=83'] Exploring Operation: 4+83=87, Resulting Numbers: [87] 87,55 unequal: No Solution Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 6, 19, 94, 43 ]
63
[ "6*19=114", "94-43=51", "114-51=63" ]
Current State: 63:[6, 19, 94, 43], Operations: [] Exploring Operation: 6*19=114, Resulting Numbers: [94, 43, 114] Generated Node #2: [94, 43, 114] from Operation: 6*19=114 Current State: 63:[94, 43, 114], Operations: ['6*19=114'] Exploring Operation: 94-43=51, Resulting Numbers: [114, 51] Generated Node #3: [114, 51] from Operation: 94-43=51 Current State: 63:[114, 51], Operations: ['6*19=114', '94-43=51'] Exploring Operation: 114-51=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[6, 19, 94, 43], Operations: [] Exploring Operation: 94-43=51, Resulting Numbers: [6, 19, 51] Generated Node #0,0: 63:[6, 19, 51] Operation: 94-43=51 Moving to Node #0,0 Current State: 63:[6, 19, 51], Operations: ['94-43=51'] Exploring Operation: 6+51=57, Resulting Numbers: [19, 57] Generated Node #0,0,0: 63:[19, 57] Operation: 6+51=57 Moving to Node #0,0,0 Current State: 63:[19, 57], Operations: ['94-43=51', '6+51=57'] Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,63 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 92, 14, 85, 61 ]
37
[ "92-85=7", "14*7=98", "98-61=37" ]
Current State: 37:[92, 14, 85, 61], Operations: [] Exploring Operation: 92-85=7, Resulting Numbers: [14, 61, 7] Generated Node #2: [14, 61, 7] from Operation: 92-85=7 Current State: 37:[14, 61, 7], Operations: ['92-85=7'] Exploring Operation: 14*7=98, Resulting Numbers: [61, 98] Generated Node #3: [61, 98] from Operation: 14*7=98 Current State: 37:[61, 98], Operations: ['92-85=7', '14*7=98'] Exploring Operation: 98-61=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[92, 14, 85, 61], Operations: [] Exploring Operation: 92-61=31, Resulting Numbers: [14, 85, 31] Generated Node #0,0: 37:[14, 85, 31] Operation: 92-61=31 Exploring Operation: 92-85=7, Resulting Numbers: [14, 61, 7] Generated Node #0,1: 37:[14, 61, 7] Operation: 92-85=7 Moving to Node #0,0 Current State: 37:[14, 85, 31], Operations: ['92-61=31'] Exploring Operation: 85-31=54, Resulting Numbers: [14, 54] Generated Node #0,0,0: 37:[14, 54] Operation: 85-31=54 Exploring Operation: 85-14=71, Resulting Numbers: [31, 71] Generated Node #0,0,1: 37:[31, 71] Operation: 85-14=71 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 37:[14, 54], Operations: ['92-61=31', '85-31=54'] Exploring Operation: 54-14=40, Resulting Numbers: [40] 40,37 unequal: No Solution Exploring Operation: 14+54=68, Resulting Numbers: [68] 68,37 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 #0,0,1 Current State: 37:[31, 71], Operations: ['92-61=31', '85-14=71'] Exploring Operation: 31+71=102, Resulting Numbers: [102] 102,37 unequal: No Solution Exploring Operation: 71-31=40, Resulting Numbers: [40] 40,37 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: 37:[14, 61, 7], Operations: ['92-85=7'] Exploring Operation: 61-14=47, Resulting Numbers: [7, 47] Generated Node #0,1,0: 37:[7, 47] Operation: 61-14=47 Exploring Operation: 14+7=21, Resulting Numbers: [61, 21] Generated Node #0,1,1: 37:[61, 21] Operation: 14+7=21 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 37:[7, 47], Operations: ['92-85=7', '61-14=47'] Exploring Operation: 7+47=54, Resulting Numbers: [54] 54,37 unequal: No Solution Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,37 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 #0,1,1 Current State: 37:[61, 21], Operations: ['92-85=7', '14+7=21'] Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,37 unequal: No Solution Exploring Operation: 61+21=82, Resulting Numbers: [82] 82,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 41, 72, 28, 27 ]
70
[ "41-27=14", "28/14=2", "72-2=70" ]
Current State: 70:[41, 72, 28, 27], Operations: [] Exploring Operation: 41-27=14, Resulting Numbers: [72, 28, 14] Generated Node #2: [72, 28, 14] from Operation: 41-27=14 Current State: 70:[72, 28, 14], Operations: ['41-27=14'] Exploring Operation: 28/14=2, Resulting Numbers: [72, 2] Generated Node #3: [72, 2] from Operation: 28/14=2 Current State: 70:[72, 2], Operations: ['41-27=14', '28/14=2'] Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[41, 72, 28, 27], Operations: [] Exploring Operation: 28-27=1, Resulting Numbers: [41, 72, 1] Generated Node #0,0: 70:[41, 72, 1] Operation: 28-27=1 Exploring Operation: 41+28=69, Resulting Numbers: [72, 27, 69] Generated Node #0,1: 70:[72, 27, 69] Operation: 41+28=69 Exploring Operation: 41-27=14, Resulting Numbers: [72, 28, 14] Generated Node #0,2: 70:[72, 28, 14] Operation: 41-27=14 Moving to Node #0,0 Current State: 70:[41, 72, 1], Operations: ['28-27=1'] Exploring Operation: 72-1=71, Resulting Numbers: [41, 71] Generated Node #0,0,0: 70:[41, 71] Operation: 72-1=71 Exploring Operation: 72-41=31, Resulting Numbers: [1, 31] Generated Node #0,0,1: 70:[1, 31] Operation: 72-41=31 Exploring Operation: 41-1=40, Resulting Numbers: [72, 40] Generated Node #0,0,2: 70:[72, 40] Operation: 41-1=40 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 70:[1, 31], Operations: ['28-27=1', '72-41=31'] Exploring Operation: 1*31=31, Resulting Numbers: [31] 31,70 unequal: No Solution Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,70 unequal: No Solution Exploring Operation: 1+31=32, Resulting Numbers: [32] 32,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[41, 71], Operations: ['28-27=1', '72-1=71'] Exploring Operation: 41+71=112, Resulting Numbers: [112] 112,70 unequal: No Solution Exploring Operation: 41*71=2911, Resulting Numbers: [2911] 2911,70 unequal: No Solution Exploring Operation: 71-41=30, Resulting Numbers: [30] 30,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 70:[72, 40], Operations: ['28-27=1', '41-1=40'] Exploring Operation: 72-40=32, Resulting Numbers: [32] 32,70 unequal: No Solution Exploring Operation: 72+40=112, Resulting Numbers: [112] 112,70 unequal: No Solution Exploring Operation: 72*40=2880, Resulting Numbers: [2880] 2880,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 70:[72, 28, 14], Operations: ['41-27=14'] Exploring Operation: 28-14=14, Resulting Numbers: [72, 14] Generated Node #0,2,0: 70:[72, 14] Operation: 28-14=14 Exploring Operation: 28/14=2, Resulting Numbers: [72, 2] Generated Node #0,2,1: 70:[72, 2] Operation: 28/14=2 Exploring Operation: 72-28=44, Resulting Numbers: [14, 44] Generated Node #0,2,2: 70:[14, 44] Operation: 72-28=44 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 70:[72, 14], Operations: ['41-27=14', '28-14=14'] Exploring Operation: 72+14=86, Resulting Numbers: [86] 86,70 unequal: No Solution Exploring Operation: 72*14=1008, Resulting Numbers: [1008] 1008,70 unequal: No Solution Exploring Operation: 72-14=58, Resulting Numbers: [58] 58,70 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:[72, 2], Operations: ['41-27=14', '28/14=2'] Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,70 unequal: No Solution Exploring Operation: 72+2=74, Resulting Numbers: [74] 74,70 unequal: No Solution Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[41, 72, 28, 27], Operations: [] Exploring Operation: 41-27=14, Resulting Numbers: [72, 28, 14] Generated Node #0,2: 70:[72, 28, 14] Operation: 41-27=14 Moving to Node #0,2 Current State: 70:[72, 28, 14], Operations: ['41-27=14'] Exploring Operation: 28/14=2, Resulting Numbers: [72, 2] Generated Node #0,2,1: 70:[72, 2] Operation: 28/14=2 Moving to Node #0,2,1 Current State: 70:[72, 2], Operations: ['41-27=14', '28/14=2'] Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_3
mult_heuristic
[ 29, 81, 35, 13 ]
62
[ "29+81=110", "35+13=48", "110-48=62" ]
Current State: 62:[29, 81, 35, 13], Operations: [] Exploring Operation: 29+81=110, Resulting Numbers: [35, 13, 110] Generated Node #2: [35, 13, 110] from Operation: 29+81=110 Current State: 62:[35, 13, 110], Operations: ['29+81=110'] Exploring Operation: 35+13=48, Resulting Numbers: [110, 48] Generated Node #3: [110, 48] from Operation: 35+13=48 Current State: 62:[110, 48], Operations: ['29+81=110', '35+13=48'] Exploring Operation: 110-48=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[29, 81, 35, 13], Operations: [] Exploring Operation: 81-13=68, Resulting Numbers: [29, 35, 68] Generated Node #0,0: 62:[29, 35, 68] Operation: 81-13=68 Exploring Operation: 81-29=52, Resulting Numbers: [35, 13, 52] Generated Node #0,1: 62:[35, 13, 52] Operation: 81-29=52 Moving to Node #0,0 Current State: 62:[29, 35, 68], Operations: ['81-13=68'] Exploring Operation: 29+35=64, Resulting Numbers: [68, 64] Generated Node #0,0,0: 62:[68, 64] Operation: 29+35=64 Exploring Operation: 68-35=33, Resulting Numbers: [29, 33] Generated Node #0,0,1: 62:[29, 33] Operation: 68-35=33 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 62:[29, 33], Operations: ['81-13=68', '68-35=33'] Exploring Operation: 29+33=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[29, 81, 35, 13], Operations: [] Exploring Operation: 81-13=68, Resulting Numbers: [29, 35, 68] Generated Node #0,0: 62:[29, 35, 68] Operation: 81-13=68 Moving to Node #0,0 Current State: 62:[29, 35, 68], Operations: ['81-13=68'] Exploring Operation: 68-35=33, Resulting Numbers: [29, 33] Generated Node #0,0,1: 62:[29, 33] Operation: 68-35=33 Moving to Node #0,0,1 Current State: 62:[29, 33], Operations: ['81-13=68', '68-35=33'] Exploring Operation: 29+33=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 24, 22, 85, 38 ]
49
[ "24-22=2", "85-38=47", "2+47=49" ]
Current State: 49:[24, 22, 85, 38], Operations: [] Exploring Operation: 24-22=2, Resulting Numbers: [85, 38, 2] Generated Node #2: [85, 38, 2] from Operation: 24-22=2 Current State: 49:[85, 38, 2], Operations: ['24-22=2'] Exploring Operation: 85-38=47, Resulting Numbers: [2, 47] Generated Node #3: [2, 47] from Operation: 85-38=47 Current State: 49:[2, 47], Operations: ['24-22=2', '85-38=47'] Exploring Operation: 2+47=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[24, 22, 85, 38], Operations: [] Exploring Operation: 85-38=47, Resulting Numbers: [24, 22, 47] Generated Node #0,0: 49:[24, 22, 47] Operation: 85-38=47 Exploring Operation: 85-24=61, Resulting Numbers: [22, 38, 61] Generated Node #0,1: 49:[22, 38, 61] Operation: 85-24=61 Moving to Node #0,0 Current State: 49:[24, 22, 47], Operations: ['85-38=47'] Exploring Operation: 24+22=46, Resulting Numbers: [47, 46] Generated Node #0,0,0: 49:[47, 46] Operation: 24+22=46 Exploring Operation: 24-22=2, Resulting Numbers: [47, 2] Generated Node #0,0,1: 49:[47, 2] Operation: 24-22=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[47, 46], Operations: ['85-38=47', '24+22=46'] Exploring Operation: 47-46=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 47+46=93, Resulting Numbers: [93] 93,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[47, 2], Operations: ['85-38=47', '24-22=2'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,49 unequal: No Solution Exploring Operation: 47+2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[24, 22, 85, 38], Operations: [] Exploring Operation: 85-38=47, Resulting Numbers: [24, 22, 47] Generated Node #0,0: 49:[24, 22, 47] Operation: 85-38=47 Moving to Node #0,0 Current State: 49:[24, 22, 47], Operations: ['85-38=47'] Exploring Operation: 24-22=2, Resulting Numbers: [47, 2] Generated Node #0,0,1: 49:[47, 2] Operation: 24-22=2 Moving to Node #0,0,1 Current State: 49:[47, 2], Operations: ['85-38=47', '24-22=2'] Exploring Operation: 47+2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 63, 57, 53, 75 ]
16
[ "63-57=6", "75-53=22", "22-6=16" ]
Current State: 16:[63, 57, 53, 75], Operations: [] Exploring Operation: 63-57=6, Resulting Numbers: [53, 75, 6] Generated Node #2: [53, 75, 6] from Operation: 63-57=6 Current State: 16:[53, 75, 6], Operations: ['63-57=6'] Exploring Operation: 75-53=22, Resulting Numbers: [6, 22] Generated Node #3: [6, 22] from Operation: 75-53=22 Current State: 16:[6, 22], Operations: ['63-57=6', '75-53=22'] Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[63, 57, 53, 75], Operations: [] Exploring Operation: 75-57=18, Resulting Numbers: [63, 53, 18] Generated Node #0,0: 16:[63, 53, 18] Operation: 75-57=18 Exploring Operation: 75-63=12, Resulting Numbers: [57, 53, 12] Generated Node #0,1: 16:[57, 53, 12] Operation: 75-63=12 Exploring Operation: 75-53=22, Resulting Numbers: [63, 57, 22] Generated Node #0,2: 16:[63, 57, 22] Operation: 75-53=22 Moving to Node #0,1 Current State: 16:[57, 53, 12], Operations: ['75-63=12'] Exploring Operation: 57-53=4, Resulting Numbers: [12, 4] Generated Node #0,1,0: 16:[12, 4] Operation: 57-53=4 Exploring Operation: 53-12=41, Resulting Numbers: [57, 41] Generated Node #0,1,1: 16:[57, 41] Operation: 53-12=41 Exploring Operation: 57-12=45, Resulting Numbers: [53, 45] Generated Node #0,1,2: 16:[53, 45] Operation: 57-12=45 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[12, 4], Operations: ['75-63=12', '57-53=4'] Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[63, 57, 53, 75], Operations: [] Exploring Operation: 75-63=12, Resulting Numbers: [57, 53, 12] Generated Node #0,1: 16:[57, 53, 12] Operation: 75-63=12 Moving to Node #0,1 Current State: 16:[57, 53, 12], Operations: ['75-63=12'] Exploring Operation: 57-53=4, Resulting Numbers: [12, 4] Generated Node #0,1,0: 16:[12, 4] Operation: 57-53=4 Moving to Node #0,1,0 Current State: 16:[12, 4], Operations: ['75-63=12', '57-53=4'] Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 38, 30, 48, 29 ]
23
[ "38-30=8", "48/8=6", "29-6=23" ]
Current State: 23:[38, 30, 48, 29], Operations: [] Exploring Operation: 38-30=8, Resulting Numbers: [48, 29, 8] Generated Node #2: [48, 29, 8] from Operation: 38-30=8 Current State: 23:[48, 29, 8], Operations: ['38-30=8'] Exploring Operation: 48/8=6, Resulting Numbers: [29, 6] Generated Node #3: [29, 6] from Operation: 48/8=6 Current State: 23:[29, 6], Operations: ['38-30=8', '48/8=6'] Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[38, 30, 48, 29], Operations: [] Exploring Operation: 48-29=19, Resulting Numbers: [38, 30, 19] Generated Node #0,0: 23:[38, 30, 19] Operation: 48-29=19 Exploring Operation: 48-38=10, Resulting Numbers: [30, 29, 10] Generated Node #0,1: 23:[30, 29, 10] Operation: 48-38=10 Exploring Operation: 48-30=18, Resulting Numbers: [38, 29, 18] Generated Node #0,2: 23:[38, 29, 18] Operation: 48-30=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[38, 30, 19], Operations: ['48-29=19'] Exploring Operation: 38-19=19, Resulting Numbers: [30, 19] Generated Node #0,0,0: 23:[30, 19] Operation: 38-19=19 Exploring Operation: 30-19=11, Resulting Numbers: [38, 11] Generated Node #0,0,1: 23:[38, 11] Operation: 30-19=11 Exploring Operation: 38-30=8, Resulting Numbers: [19, 8] Generated Node #0,0,2: 23:[19, 8] Operation: 38-30=8 Moving to Node #0,0,0 Current State: 23:[30, 19], Operations: ['48-29=19', '38-19=19'] Exploring Operation: 30*19=570, Resulting Numbers: [570] 570,23 unequal: No Solution Exploring Operation: 30+19=49, Resulting Numbers: [49] 49,23 unequal: No Solution Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,23 unequal: No Solution Moving to Node #0,0,2 Current State: 23:[19, 8], Operations: ['48-29=19', '38-30=8'] Exploring Operation: 19+8=27, Resulting Numbers: [27] 27,23 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,23 unequal: No Solution Exploring Operation: 19*8=152, Resulting Numbers: [152] 152,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[38, 11], Operations: ['48-29=19', '30-19=11'] Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,23 unequal: No Solution Exploring Operation: 38+11=49, Resulting Numbers: [49] 49,23 unequal: No Solution Exploring Operation: 38*11=418, Resulting Numbers: [418] 418,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[30, 29, 10], Operations: ['48-38=10'] Exploring Operation: 29-10=19, Resulting Numbers: [30, 19] Generated Node #0,1,0: 23:[30, 19] Operation: 29-10=19 Exploring Operation: 30+10=40, Resulting Numbers: [29, 40] Generated Node #0,1,1: 23:[29, 40] Operation: 30+10=40 Exploring Operation: 30-10=20, Resulting Numbers: [29, 20] Generated Node #0,1,2: 23:[29, 20] Operation: 30-10=20 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 23:[29, 20], Operations: ['48-38=10', '30-10=20'] Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,23 unequal: No Solution Exploring Operation: 29+20=49, Resulting Numbers: [49] 49,23 unequal: No Solution Exploring Operation: 29*20=580, Resulting Numbers: [580] 580,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 23:[30, 19], Operations: ['48-38=10', '29-10=19'] Exploring Operation: 30+19=49, Resulting Numbers: [49] 49,23 unequal: No Solution Exploring Operation: 30*19=570, Resulting Numbers: [570] 570,23 unequal: No Solution Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 23:[29, 40], Operations: ['48-38=10', '30+10=40'] Exploring Operation: 29+40=69, Resulting Numbers: [69] 69,23 unequal: No Solution Exploring Operation: 40-29=11, Resulting Numbers: [11] 11,23 unequal: No Solution Exploring Operation: 29*40=1160, Resulting Numbers: [1160] 1160,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[38, 29, 18], Operations: ['48-30=18'] Exploring Operation: 38-18=20, Resulting Numbers: [29, 20] Generated Node #0,2,0: 23:[29, 20] Operation: 38-18=20 Exploring Operation: 29-18=11, Resulting Numbers: [38, 11] Generated Node #0,2,1: 23:[38, 11] Operation: 29-18=11 Exploring Operation: 38-29=9, Resulting Numbers: [18, 9] Generated Node #0,2,2: 23:[18, 9] Operation: 38-29=9 Moving to Node #0,2,0 Current State: 23:[29, 20], Operations: ['48-30=18', '38-18=20'] Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,23 unequal: No Solution Exploring Operation: 29+20=49, Resulting Numbers: [49] 49,23 unequal: No Solution Exploring Operation: 29*20=580, Resulting Numbers: [580] 580,23 unequal: No Solution Moving to Node #0,2,2 Current State: 23:[18, 9], Operations: ['48-30=18', '38-29=9'] Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,23 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,23 unequal: No Solution Moving to Node #0,2,1 Current State: 23:[38, 11], Operations: ['48-30=18', '29-18=11'] Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,23 unequal: No Solution Exploring Operation: 38+11=49, Resulting Numbers: [49] 49,23 unequal: No Solution Exploring Operation: 38*11=418, Resulting Numbers: [418] 418,23 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
[ 74, 28, 51, 80 ]
75
[ "74-28=46", "80-51=29", "46+29=75" ]
Current State: 75:[74, 28, 51, 80], Operations: [] Exploring Operation: 74-28=46, Resulting Numbers: [51, 80, 46] Generated Node #2: [51, 80, 46] from Operation: 74-28=46 Current State: 75:[51, 80, 46], Operations: ['74-28=46'] Exploring Operation: 80-51=29, Resulting Numbers: [46, 29] Generated Node #3: [46, 29] from Operation: 80-51=29 Current State: 75:[46, 29], Operations: ['74-28=46', '80-51=29'] Exploring Operation: 46+29=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[74, 28, 51, 80], Operations: [] Exploring Operation: 80-51=29, Resulting Numbers: [74, 28, 29] Generated Node #0,0: 75:[74, 28, 29] Operation: 80-51=29 Exploring Operation: 51-28=23, Resulting Numbers: [74, 80, 23] Generated Node #0,1: 75:[74, 80, 23] Operation: 51-28=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[74, 28, 29], Operations: ['80-51=29'] Exploring Operation: 29-28=1, Resulting Numbers: [74, 1] Generated Node #0,0,0: 75:[74, 1] Operation: 29-28=1 Exploring Operation: 28+29=57, Resulting Numbers: [74, 57] Generated Node #0,0,1: 75:[74, 57] Operation: 28+29=57 Moving to Node #0,0,0 Current State: 75:[74, 1], Operations: ['80-51=29', '29-28=1'] Exploring Operation: 74+1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[74, 28, 51, 80], Operations: [] Exploring Operation: 80-51=29, Resulting Numbers: [74, 28, 29] Generated Node #0,0: 75:[74, 28, 29] Operation: 80-51=29 Moving to Node #0,0 Current State: 75:[74, 28, 29], Operations: ['80-51=29'] Exploring Operation: 29-28=1, Resulting Numbers: [74, 1] Generated Node #0,0,0: 75:[74, 1] Operation: 29-28=1 Moving to Node #0,0,0 Current State: 75:[74, 1], Operations: ['80-51=29', '29-28=1'] Exploring Operation: 74+1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 53, 81, 80, 28 ]
79
[ "81-53=28", "28/28=1", "80-1=79" ]
Current State: 79:[53, 81, 80, 28], Operations: [] Exploring Operation: 81-53=28, Resulting Numbers: [80, 28, 28] Generated Node #2: [80, 28, 28] from Operation: 81-53=28 Current State: 79:[80, 28, 28], Operations: ['81-53=28'] Exploring Operation: 28/28=1, Resulting Numbers: [80, 1] Generated Node #3: [80, 1] from Operation: 28/28=1 Current State: 79:[80, 1], Operations: ['81-53=28', '28/28=1'] Exploring Operation: 80-1=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[53, 81, 80, 28], Operations: [] Exploring Operation: 53+28=81, Resulting Numbers: [81, 80, 81] Generated Node #0,0: 79:[81, 80, 81] Operation: 53+28=81 Moving to Node #0,0 Current State: 79:[81, 80, 81], Operations: ['53+28=81'] Exploring Operation: 81/81=1, Resulting Numbers: [80, 1] Generated Node #0,0,0: 79:[80, 1] Operation: 81/81=1 Moving to Node #0,0,0 Current State: 79:[80, 1], Operations: ['53+28=81', '81/81=1'] Exploring Operation: 80-1=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[53, 81, 80, 28], Operations: [] Exploring Operation: 53+28=81, Resulting Numbers: [81, 80, 81] Generated Node #0,0: 79:[81, 80, 81] Operation: 53+28=81 Moving to Node #0,0 Current State: 79:[81, 80, 81], Operations: ['53+28=81'] Exploring Operation: 81/81=1, Resulting Numbers: [80, 1] Generated Node #0,0,0: 79:[80, 1] Operation: 81/81=1 Moving to Node #0,0,0 Current State: 79:[80, 1], Operations: ['53+28=81', '81/81=1'] Exploring Operation: 80-1=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 29, 15, 3, 29 ]
70
[ "29+15=44", "29-3=26", "44+26=70" ]
Current State: 70:[29, 15, 3, 29], Operations: [] Exploring Operation: 29+15=44, Resulting Numbers: [3, 44] Generated Node #2: [3, 44] from Operation: 29+15=44 Current State: 70:[3, 44], Operations: ['29+15=44'] Exploring Operation: 29-3=26, Resulting Numbers: [44, 26] Generated Node #3: [44, 26] from Operation: 29-3=26 Current State: 70:[44, 26], Operations: ['29+15=44', '29-3=26'] Exploring Operation: 44+26=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[29, 15, 3, 29], Operations: [] Exploring Operation: 29-15=14, Resulting Numbers: [3, 29, 14] Generated Node #0,0: 70:[3, 29, 14] Operation: 29-15=14 Exploring Operation: 29-29=0, Resulting Numbers: [15, 3, 0] Generated Node #0,1: 70:[15, 3, 0] Operation: 29-29=0 Exploring Operation: 29/29=1, Resulting Numbers: [15, 3, 1] Generated Node #0,2: 70:[15, 3, 1] Operation: 29/29=1 Moving to Node #0,2 Current State: 70:[15, 3, 1], Operations: ['29/29=1'] Exploring Operation: 15-1=14, Resulting Numbers: [3, 14] Generated Node #0,2,0: 70:[3, 14] Operation: 15-1=14 Exploring Operation: 3-1=2, Resulting Numbers: [15, 2] Generated Node #0,2,1: 70:[15, 2] Operation: 3-1=2 Exploring Operation: 15/3=5, Resulting Numbers: [1, 5] Generated Node #0,2,2: 70:[1, 5] Operation: 15/3=5 Moving to Node #0,1 Current State: 70:[15, 3, 0], Operations: ['29-29=0'] Exploring Operation: 15+0=15, Resulting Numbers: [3, 15] Generated Node #0,1,0: 70:[3, 15] Operation: 15+0=15 Exploring Operation: 15/3=5, Resulting Numbers: [0, 5] Generated Node #0,1,1: 70:[0, 5] Operation: 15/3=5 Exploring Operation: 15-0=15, Resulting Numbers: [3, 15] Generated Node #0,1,2: 70:[3, 15] Operation: 15-0=15 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 70:[3, 15], Operations: ['29-29=0', '15+0=15'] Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,70 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,70 unequal: No Solution Exploring Operation: 15-3=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 #0,1,1 Current State: 70:[0, 5], Operations: ['29-29=0', '15/3=5'] Exploring Operation: 0*5=0, Resulting Numbers: [0] 0,70 unequal: No Solution Exploring Operation: 0+5=5, Resulting Numbers: [5] 5,70 unequal: No Solution Exploring Operation: 5-0=5, Resulting Numbers: [5] 5,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 70:[3, 15], Operations: ['29-29=0', '15-0=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,70 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,70 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,70 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: 70:[3, 29, 14], Operations: ['29-15=14'] Exploring Operation: 3+29=32, Resulting Numbers: [14, 32] Generated Node #0,0,0: 70:[14, 32] Operation: 3+29=32 Exploring Operation: 14-3=11, Resulting Numbers: [29, 11] Generated Node #0,0,1: 70:[29, 11] Operation: 14-3=11 Exploring Operation: 29-14=15, Resulting Numbers: [3, 15] Generated Node #0,0,2: 70:[3, 15] Operation: 29-14=15 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 70:[3, 15], Operations: ['29-15=14', '29-14=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,70 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,70 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[14, 32], Operations: ['29-15=14', '3+29=32'] Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,70 unequal: No Solution Exploring Operation: 14+32=46, Resulting Numbers: [46] 46,70 unequal: No Solution Exploring Operation: 14*32=448, Resulting Numbers: [448] 448,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 70:[29, 11], Operations: ['29-15=14', '14-3=11'] Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,70 unequal: No Solution Exploring Operation: 29*11=319, Resulting Numbers: [319] 319,70 unequal: No Solution Exploring Operation: 29+11=40, Resulting Numbers: [40] 40,70 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: 70:[3, 14], Operations: ['29/29=1', '15-1=14'] Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,70 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,70 unequal: No Solution Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,70 unequal: No Solution Moving to Node #0,2,1 Current State: 70:[15, 2], Operations: ['29/29=1', '3-1=2'] Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,70 unequal: No Solution Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[1, 5], Operations: ['29/29=1', '15/3=5'] Exploring Operation: 1+5=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,70 unequal: No Solution Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,70 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 65, 68, 93, 5 ]
45
[ "65+68=133", "93-5=88", "133-88=45" ]
Current State: 45:[65, 68, 93, 5], Operations: [] Exploring Operation: 65+68=133, Resulting Numbers: [93, 5, 133] Generated Node #2: [93, 5, 133] from Operation: 65+68=133 Current State: 45:[93, 5, 133], Operations: ['65+68=133'] Exploring Operation: 93-5=88, Resulting Numbers: [133, 88] Generated Node #3: [133, 88] from Operation: 93-5=88 Current State: 45:[133, 88], Operations: ['65+68=133', '93-5=88'] Exploring Operation: 133-88=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[65, 68, 93, 5], Operations: [] Exploring Operation: 68-65=3, Resulting Numbers: [93, 5, 3] Generated Node #0,0: 45:[93, 5, 3] Operation: 68-65=3 Exploring Operation: 65/5=13, Resulting Numbers: [68, 93, 13] Generated Node #0,1: 45:[68, 93, 13] Operation: 65/5=13 Exploring Operation: 93-68=25, Resulting Numbers: [65, 5, 25] Generated Node #0,2: 45:[65, 5, 25] Operation: 93-68=25 Exploring Operation: 93-65=28, Resulting Numbers: [68, 5, 28] Generated Node #0,3: 45:[68, 5, 28] Operation: 93-65=28 Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[65, 5, 25], Operations: ['93-68=25'] Exploring Operation: 65-25=40, Resulting Numbers: [5, 40] Generated Node #0,2,0: 45:[5, 40] Operation: 65-25=40 Exploring Operation: 25/5=5, Resulting Numbers: [65, 5] Generated Node #0,2,1: 45:[65, 5] Operation: 25/5=5 Exploring Operation: 65-5=60, Resulting Numbers: [25, 60] Generated Node #0,2,2: 45:[25, 60] Operation: 65-5=60 Exploring Operation: 65/5=13, Resulting Numbers: [25, 13] Generated Node #0,2,3: 45:[25, 13] Operation: 65/5=13 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 45:[5, 40], Operations: ['93-68=25', '65-25=40'] Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,45 unequal: No Solution Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,45 unequal: No Solution Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[65, 68, 93, 5], Operations: [] Exploring Operation: 93-68=25, Resulting Numbers: [65, 5, 25] Generated Node #0,2: 45:[65, 5, 25] Operation: 93-68=25 Moving to Node #0,2 Current State: 45:[65, 5, 25], Operations: ['93-68=25'] Exploring Operation: 65-25=40, Resulting Numbers: [5, 40] Generated Node #0,2,0: 45:[5, 40] Operation: 65-25=40 Moving to Node #0,2,0 Current State: 45:[5, 40], Operations: ['93-68=25', '65-25=40'] Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 43, 72, 70, 97 ]
70
[ "43+97=140", "72-70=2", "140/2=70" ]
Current State: 70:[43, 72, 70, 97], Operations: [] Exploring Operation: 43+97=140, Resulting Numbers: [72, 70, 140] Generated Node #2: [72, 70, 140] from Operation: 43+97=140 Current State: 70:[72, 70, 140], Operations: ['43+97=140'] Exploring Operation: 72-70=2, Resulting Numbers: [140, 2] Generated Node #3: [140, 2] from Operation: 72-70=2 Current State: 70:[140, 2], Operations: ['43+97=140', '72-70=2'] Exploring Operation: 140/2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[43, 72, 70, 97], Operations: [] Exploring Operation: 97-43=54, Resulting Numbers: [72, 70, 54] Generated Node #0,0: 70:[72, 70, 54] Operation: 97-43=54 Exploring Operation: 72-43=29, Resulting Numbers: [70, 97, 29] Generated Node #0,1: 70:[70, 97, 29] Operation: 72-43=29 Exploring Operation: 97-72=25, Resulting Numbers: [43, 70, 25] Generated Node #0,2: 70:[43, 70, 25] Operation: 97-72=25 Exploring Operation: 72-70=2, Resulting Numbers: [43, 97, 2] Generated Node #0,3: 70:[43, 97, 2] Operation: 72-70=2 Exploring Operation: 97-70=27, Resulting Numbers: [43, 72, 27] Generated Node #0,4: 70:[43, 72, 27] Operation: 97-70=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[72, 70, 54], Operations: ['97-43=54'] Exploring Operation: 72-70=2, Resulting Numbers: [54, 2] Generated Node #0,0,0: 70:[54, 2] Operation: 72-70=2 Exploring Operation: 72-54=18, Resulting Numbers: [70, 18] Generated Node #0,0,1: 70:[70, 18] Operation: 72-54=18 Exploring Operation: 70+54=124, Resulting Numbers: [72, 124] Generated Node #0,0,2: 70:[72, 124] Operation: 70+54=124 Exploring Operation: 70-54=16, Resulting Numbers: [72, 16] Generated Node #0,0,3: 70:[72, 16] Operation: 70-54=16 Exploring Operation: 72+54=126, Resulting Numbers: [70, 126] Generated Node #0,0,4: 70:[70, 126] Operation: 72+54=126 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 70:[70, 18], Operations: ['97-43=54', '72-54=18'] Exploring Operation: 70-18=52, Resulting Numbers: [52] 52,70 unequal: No Solution Exploring Operation: 70*18=1260, Resulting Numbers: [1260] 1260,70 unequal: No Solution Exploring Operation: 70+18=88, Resulting Numbers: [88] 88,70 unequal: No Solution No 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: 70:[72, 16], Operations: ['97-43=54', '70-54=16'] Exploring Operation: 72-16=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 72+16=88, Resulting Numbers: [88] 88,70 unequal: No Solution Exploring Operation: 72*16=1152, Resulting Numbers: [1152] 1152,70 unequal: No Solution No 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: 70:[54, 2], Operations: ['97-43=54', '72-70=2'] Exploring Operation: 54*2=108, Resulting Numbers: [108] 108,70 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,70 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,70 unequal: No Solution Exploring Operation: 54+2=56, Resulting Numbers: [56] 56,70 unequal: No Solution No 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: 70:[72, 124], Operations: ['97-43=54', '70+54=124'] Exploring Operation: 124-72=52, Resulting Numbers: [52] 52,70 unequal: No Solution Exploring Operation: 72+124=196, Resulting Numbers: [196] 196,70 unequal: No Solution Exploring Operation: 72*124=8928, Resulting Numbers: [8928] 8928,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 70:[70, 126], Operations: ['97-43=54', '72+54=126'] Exploring Operation: 70*126=8820, Resulting Numbers: [8820] 8820,70 unequal: No Solution Exploring Operation: 126-70=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 70+126=196, Resulting Numbers: [196] 196,70 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: 70:[43, 70, 25], Operations: ['97-72=25'] Exploring Operation: 70+25=95, Resulting Numbers: [43, 95] Generated Node #0,2,0: 70:[43, 95] Operation: 70+25=95 Exploring Operation: 43-25=18, Resulting Numbers: [70, 18] Generated Node #0,2,1: 70:[70, 18] Operation: 43-25=18 Exploring Operation: 70-43=27, Resulting Numbers: [25, 27] Generated Node #0,2,2: 70:[25, 27] Operation: 70-43=27 Exploring Operation: 70-25=45, Resulting Numbers: [43, 45] Generated Node #0,2,3: 70:[43, 45] Operation: 70-25=45 Exploring Operation: 43+25=68, Resulting Numbers: [70, 68] Generated Node #0,2,4: 70:[70, 68] Operation: 43+25=68 Moving to Node #0,2,4 Current State: 70:[70, 68], Operations: ['97-72=25', '43+25=68'] Exploring Operation: 70*68=4760, Resulting Numbers: [4760] 4760,70 unequal: No Solution Exploring Operation: 70-68=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 70+68=138, Resulting Numbers: [138] 138,70 unequal: No Solution Moving to Node #0,2,1 Current State: 70:[70, 18], Operations: ['97-72=25', '43-25=18'] Exploring Operation: 70+18=88, Resulting Numbers: [88] 88,70 unequal: No Solution Exploring Operation: 70-18=52, Resulting Numbers: [52] 52,70 unequal: No Solution Exploring Operation: 70*18=1260, Resulting Numbers: [1260] 1260,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[25, 27], Operations: ['97-72=25', '70-43=27'] Exploring Operation: 25+27=52, Resulting Numbers: [52] 52,70 unequal: No Solution Exploring Operation: 25*27=675, Resulting Numbers: [675] 675,70 unequal: No Solution Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,70 unequal: No Solution Moving to Node #0,2,3 Current State: 70:[43, 45], Operations: ['97-72=25', '70-25=45'] Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 43*45=1935, Resulting Numbers: [1935] 1935,70 unequal: No Solution Exploring Operation: 43+45=88, Resulting Numbers: [88] 88,70 unequal: No Solution Moving to Node #0,2,0 Current State: 70:[43, 95], Operations: ['97-72=25', '70+25=95'] Exploring Operation: 43+95=138, Resulting Numbers: [138] 138,70 unequal: No Solution Exploring Operation: 43*95=4085, Resulting Numbers: [4085] 4085,70 unequal: No Solution Exploring Operation: 95-43=52, Resulting Numbers: [52] 52,70 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 #0,4 Current State: 70:[43, 72, 27], Operations: ['97-70=27'] Exploring Operation: 72-27=45, Resulting Numbers: [43, 45] Generated Node #0,4,0: 70:[43, 45] Operation: 72-27=45 Exploring Operation: 72+27=99, Resulting Numbers: [43, 99] Generated Node #0,4,1: 70:[43, 99] Operation: 72+27=99 Exploring Operation: 43+27=70, Resulting Numbers: [72, 70] Generated Node #0,4,2: 70:[72, 70] Operation: 43+27=70 Exploring Operation: 43-27=16, Resulting Numbers: [72, 16] Generated Node #0,4,3: 70:[72, 16] Operation: 43-27=16 Exploring Operation: 72-43=29, Resulting Numbers: [27, 29] Generated Node #0,4,4: 70:[27, 29] Operation: 72-43=29 Moving to Node #0,4,2 Current State: 70:[72, 70], Operations: ['97-70=27', '43+27=70'] Exploring Operation: 72*70=5040, Resulting Numbers: [5040] 5040,70 unequal: No Solution Exploring Operation: 72-70=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 72+70=142, Resulting Numbers: [142] 142,70 unequal: No Solution Moving to Node #0,4,3 Current State: 70:[72, 16], Operations: ['97-70=27', '43-27=16'] Exploring Operation: 72*16=1152, Resulting Numbers: [1152] 1152,70 unequal: No Solution Exploring Operation: 72+16=88, Resulting Numbers: [88] 88,70 unequal: No Solution Exploring Operation: 72-16=56, Resulting Numbers: [56] 56,70 unequal: No Solution Moving to Node #0,4,4 Current State: 70:[27, 29], Operations: ['97-70=27', '72-43=29'] Exploring Operation: 27+29=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 29-27=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 27*29=783, Resulting Numbers: [783] 783,70 unequal: No Solution Moving to Node #0,4,0 Current State: 70:[43, 45], Operations: ['97-70=27', '72-27=45'] Exploring Operation: 43*45=1935, Resulting Numbers: [1935] 1935,70 unequal: No Solution Exploring Operation: 43+45=88, Resulting Numbers: [88] 88,70 unequal: No Solution Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,70 unequal: No Solution Moving to Node #0,4,1 Current State: 70:[43, 99], Operations: ['97-70=27', '72+27=99'] Exploring Operation: 43+99=142, Resulting Numbers: [142] 142,70 unequal: No Solution Exploring Operation: 43*99=4257, Resulting Numbers: [4257] 4257,70 unequal: No Solution Exploring Operation: 99-43=56, Resulting Numbers: [56] 56,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[70, 97, 29], Operations: ['72-43=29'] Exploring Operation: 70+29=99, Resulting Numbers: [97, 99] Generated Node #0,1,0: 70:[97, 99] Operation: 70+29=99 Exploring Operation: 97+29=126, Resulting Numbers: [70, 126] Generated Node #0,1,1: 70:[70, 126] Operation: 97+29=126 Exploring Operation: 97-29=68, Resulting Numbers: [70, 68] Generated Node #0,1,2: 70:[70, 68] Operation: 97-29=68 Exploring Operation: 70-29=41, Resulting Numbers: [97, 41] Generated Node #0,1,3: 70:[97, 41] Operation: 70-29=41 Exploring Operation: 97-70=27, Resulting Numbers: [29, 27] Generated Node #0,1,4: 70:[29, 27] Operation: 97-70=27 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 70:[70, 68], Operations: ['72-43=29', '97-29=68'] Exploring Operation: 70-68=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 70+68=138, Resulting Numbers: [138] 138,70 unequal: No Solution Exploring Operation: 70*68=4760, Resulting Numbers: [4760] 4760,70 unequal: No Solution No 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: 70:[29, 27], Operations: ['72-43=29', '97-70=27'] Exploring Operation: 29*27=783, Resulting Numbers: [783] 783,70 unequal: No Solution Exploring Operation: 29-27=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 29+27=56, Resulting Numbers: [56] 56,70 unequal: No Solution No 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: 70:[97, 41], Operations: ['72-43=29', '70-29=41'] Exploring Operation: 97+41=138, Resulting Numbers: [138] 138,70 unequal: No Solution Exploring Operation: 97*41=3977, Resulting Numbers: [3977] 3977,70 unequal: No Solution Exploring Operation: 97-41=56, Resulting Numbers: [56] 56,70 unequal: No Solution No 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: 70:[97, 99], Operations: ['72-43=29', '70+29=99'] Exploring Operation: 97+99=196, Resulting Numbers: [196] 196,70 unequal: No Solution Exploring Operation: 97*99=9603, Resulting Numbers: [9603] 9603,70 unequal: No Solution Exploring Operation: 99-97=2, Resulting Numbers: [2] 2,70 unequal: No Solution No 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: 70:[70, 126], Operations: ['72-43=29', '97+29=126'] Exploring Operation: 126-70=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 70+126=196, Resulting Numbers: [196] 196,70 unequal: No Solution Exploring Operation: 70*126=8820, Resulting Numbers: [8820] 8820,70 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: 70:[43, 97, 2], Operations: ['72-70=2'] Exploring Operation: 43+2=45, Resulting Numbers: [97, 45] Generated Node #0,3,0: 70:[97, 45] Operation: 43+2=45 Exploring Operation: 97-43=54, Resulting Numbers: [2, 54] Generated Node #0,3,1: 70:[2, 54] Operation: 97-43=54 Exploring Operation: 43-2=41, Resulting Numbers: [97, 41] Generated Node #0,3,2: 70:[97, 41] Operation: 43-2=41 Exploring Operation: 97+2=99, Resulting Numbers: [43, 99] Generated Node #0,3,3: 70:[43, 99] Operation: 97+2=99 Exploring Operation: 97-2=95, Resulting Numbers: [43, 95] Generated Node #0,3,4: 70:[43, 95] Operation: 97-2=95 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 70:[2, 54], Operations: ['72-70=2', '97-43=54'] Exploring Operation: 2*54=108, Resulting Numbers: [108] 108,70 unequal: No Solution Exploring Operation: 2+54=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,70 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,70 unequal: No Solution No 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: 70:[97, 41], Operations: ['72-70=2', '43-2=41'] Exploring Operation: 97-41=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 97*41=3977, Resulting Numbers: [3977] 3977,70 unequal: No Solution Exploring Operation: 97+41=138, Resulting Numbers: [138] 138,70 unequal: No Solution No 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: 70:[43, 95], Operations: ['72-70=2', '97-2=95'] Exploring Operation: 43*95=4085, Resulting Numbers: [4085] 4085,70 unequal: No Solution Exploring Operation: 95-43=52, Resulting Numbers: [52] 52,70 unequal: No Solution Exploring Operation: 43+95=138, Resulting Numbers: [138] 138,70 unequal: No Solution No 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: 70:[97, 45], Operations: ['72-70=2', '43+2=45'] Exploring Operation: 97-45=52, Resulting Numbers: [52] 52,70 unequal: No Solution Exploring Operation: 97+45=142, Resulting Numbers: [142] 142,70 unequal: No Solution Exploring Operation: 97*45=4365, Resulting Numbers: [4365] 4365,70 unequal: No Solution No 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: 70:[43, 99], Operations: ['72-70=2', '97+2=99'] Exploring Operation: 43+99=142, Resulting Numbers: [142] 142,70 unequal: No Solution Exploring Operation: 43*99=4257, Resulting Numbers: [4257] 4257,70 unequal: No Solution Exploring Operation: 99-43=56, Resulting Numbers: [56] 56,70 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
[ 13, 70, 81, 67 ]
65
[ "13+70=83", "81+67=148", "148-83=65" ]
Current State: 65:[13, 70, 81, 67], Operations: [] Exploring Operation: 13+70=83, Resulting Numbers: [81, 67, 83] Generated Node #2: [81, 67, 83] from Operation: 13+70=83 Current State: 65:[81, 67, 83], Operations: ['13+70=83'] Exploring Operation: 81+67=148, Resulting Numbers: [83, 148] Generated Node #3: [83, 148] from Operation: 81+67=148 Current State: 65:[83, 148], Operations: ['13+70=83', '81+67=148'] Exploring Operation: 148-83=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[13, 70, 81, 67], Operations: [] Exploring Operation: 81-13=68, Resulting Numbers: [70, 67, 68] Generated Node #0,0: 65:[70, 67, 68] Operation: 81-13=68 Exploring Operation: 81-67=14, Resulting Numbers: [13, 70, 14] Generated Node #0,1: 65:[13, 70, 14] Operation: 81-67=14 Exploring Operation: 70-67=3, Resulting Numbers: [13, 81, 3] Generated Node #0,2: 65:[13, 81, 3] Operation: 70-67=3 Exploring Operation: 70-13=57, Resulting Numbers: [81, 67, 57] Generated Node #0,3: 65:[81, 67, 57] Operation: 70-13=57 Exploring Operation: 81-70=11, Resulting Numbers: [13, 67, 11] Generated Node #0,4: 65:[13, 67, 11] Operation: 81-70=11 Moving to Node #0,4 Current State: 65:[13, 67, 11], Operations: ['81-70=11'] Exploring Operation: 13-11=2, Resulting Numbers: [67, 2] Generated Node #0,4,0: 65:[67, 2] Operation: 13-11=2 Exploring Operation: 67-11=56, Resulting Numbers: [13, 56] Generated Node #0,4,1: 65:[13, 56] Operation: 67-11=56 Exploring Operation: 67+11=78, Resulting Numbers: [13, 78] Generated Node #0,4,2: 65:[13, 78] Operation: 67+11=78 Exploring Operation: 67-13=54, Resulting Numbers: [11, 54] Generated Node #0,4,3: 65:[11, 54] Operation: 67-13=54 Exploring Operation: 13+11=24, Resulting Numbers: [67, 24] Generated Node #0,4,4: 65:[67, 24] Operation: 13+11=24 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 65:[67, 2], Operations: ['81-70=11', '13-11=2'] Exploring Operation: 67+2=69, Resulting Numbers: [69] 69,65 unequal: No Solution Exploring Operation: 67*2=134, Resulting Numbers: [134] 134,65 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[13, 70, 81, 67], Operations: [] Exploring Operation: 81-70=11, Resulting Numbers: [13, 67, 11] Generated Node #0,4: 65:[13, 67, 11] Operation: 81-70=11 Moving to Node #0,4 Current State: 65:[13, 67, 11], Operations: ['81-70=11'] Exploring Operation: 13-11=2, Resulting Numbers: [67, 2] Generated Node #0,4,0: 65:[67, 2] Operation: 13-11=2 Moving to Node #0,4,0 Current State: 65:[67, 2], Operations: ['81-70=11', '13-11=2'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 6, 90, 10, 30 ]
13
[ "6+10=16", "90/30=3", "16-3=13" ]
Current State: 13:[6, 90, 10, 30], Operations: [] Exploring Operation: 6+10=16, Resulting Numbers: [90, 30, 16] Generated Node #2: [90, 30, 16] from Operation: 6+10=16 Current State: 13:[90, 30, 16], Operations: ['6+10=16'] Exploring Operation: 90/30=3, Resulting Numbers: [16, 3] Generated Node #3: [16, 3] from Operation: 90/30=3 Current State: 13:[16, 3], Operations: ['6+10=16', '90/30=3'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[6, 90, 10, 30], Operations: [] Exploring Operation: 90/6=15, Resulting Numbers: [10, 30, 15] Generated Node #0,0: 13:[10, 30, 15] Operation: 90/6=15 Exploring Operation: 90/30=3, Resulting Numbers: [6, 10, 3] Generated Node #0,1: 13:[6, 10, 3] Operation: 90/30=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[6, 10, 3], Operations: ['90/30=3'] Exploring Operation: 6+3=9, Resulting Numbers: [10, 9] Generated Node #0,1,0: 13:[10, 9] Operation: 6+3=9 Exploring Operation: 10+3=13, Resulting Numbers: [6, 13] Generated Node #0,1,1: 13:[6, 13] Operation: 10+3=13 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 13:[10, 9], Operations: ['90/30=3', '6+3=9'] Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,13 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 13:[6, 13], Operations: ['90/30=3', '10+3=13'] Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[10, 30, 15], Operations: ['90/6=15'] Exploring Operation: 30-15=15, Resulting Numbers: [10, 15] Generated Node #0,0,0: 13:[10, 15] Operation: 30-15=15 Exploring Operation: 30-10=20, Resulting Numbers: [15, 20] Generated Node #0,0,1: 13:[15, 20] Operation: 30-10=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[10, 15], Operations: ['90/6=15', '30-15=15'] Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,13 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 13:[15, 20], Operations: ['90/6=15', '30-10=20'] Exploring Operation: 15+20=35, Resulting Numbers: [35] 35,13 unequal: No Solution Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 12, 16, 76, 64 ]
84
[ "12+76=88", "64/16=4", "88-4=84" ]
Current State: 84:[12, 16, 76, 64], Operations: [] Exploring Operation: 12+76=88, Resulting Numbers: [16, 64, 88] Generated Node #2: [16, 64, 88] from Operation: 12+76=88 Current State: 84:[16, 64, 88], Operations: ['12+76=88'] Exploring Operation: 64/16=4, Resulting Numbers: [88, 4] Generated Node #3: [88, 4] from Operation: 64/16=4 Current State: 84:[88, 4], Operations: ['12+76=88', '64/16=4'] Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[12, 16, 76, 64], Operations: [] Exploring Operation: 64/16=4, Resulting Numbers: [12, 76, 4] Generated Node #0,0: 84:[12, 76, 4] Operation: 64/16=4 Exploring Operation: 16+64=80, Resulting Numbers: [12, 76, 80] Generated Node #0,1: 84:[12, 76, 80] Operation: 16+64=80 Exploring Operation: 76-64=12, Resulting Numbers: [12, 16, 12] Generated Node #0,2: 84:[12, 16, 12] Operation: 76-64=12 Moving to Node #0,2 Current State: 84:[12, 16, 12], Operations: ['76-64=12'] Exploring Operation: 16-12=4, Resulting Numbers: [12, 4] Generated Node #0,2,0: 84:[12, 4] Operation: 16-12=4 Exploring Operation: 12+16=28, Resulting Numbers: [12, 28] Generated Node #0,2,1: 84:[12, 28] Operation: 12+16=28 Exploring Operation: 16+12=28, Resulting Numbers: [12, 28] Generated Node #0,2,2: 84:[12, 28] Operation: 16+12=28 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 84:[12, 4], Operations: ['76-64=12', '16-12=4'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,84 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,84 unequal: No Solution Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 84:[12, 28], Operations: ['76-64=12', '12+16=28'] Exploring Operation: 12*28=336, Resulting Numbers: [336] 336,84 unequal: No Solution Exploring Operation: 12+28=40, Resulting Numbers: [40] 40,84 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 84:[12, 28], Operations: ['76-64=12', '16+12=28'] Exploring Operation: 12+28=40, Resulting Numbers: [40] 40,84 unequal: No Solution Exploring Operation: 12*28=336, Resulting Numbers: [336] 336,84 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 84:[12, 76, 4], Operations: ['64/16=4'] Exploring Operation: 12+76=88, Resulting Numbers: [4, 88] Generated Node #0,0,0: 84:[4, 88] Operation: 12+76=88 Exploring Operation: 76/4=19, Resulting Numbers: [12, 19] Generated Node #0,0,1: 84:[12, 19] Operation: 76/4=19 Exploring Operation: 76+4=80, Resulting Numbers: [12, 80] Generated Node #0,0,2: 84:[12, 80] Operation: 76+4=80 Moving to Node #0,1 Current State: 84:[12, 76, 80], Operations: ['16+64=80'] Exploring Operation: 12+76=88, Resulting Numbers: [80, 88] Generated Node #0,1,0: 84:[80, 88] Operation: 12+76=88 Exploring Operation: 12+80=92, Resulting Numbers: [76, 92] Generated Node #0,1,1: 84:[76, 92] Operation: 12+80=92 Exploring Operation: 80-76=4, Resulting Numbers: [12, 4] Generated Node #0,1,2: 84:[12, 4] Operation: 80-76=4 Moving to Node #0,1,2 Current State: 84:[12, 4], Operations: ['16+64=80', '80-76=4'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,84 unequal: No Solution Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,84 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,84 unequal: No Solution Moving to Node #0,0,1 Current State: 84:[12, 19], Operations: ['64/16=4', '76/4=19'] Exploring Operation: 12+19=31, Resulting Numbers: [31] 31,84 unequal: No Solution Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,84 unequal: No Solution Exploring Operation: 12*19=228, Resulting Numbers: [228] 228,84 unequal: No Solution Moving to Node #0,0,2 Current State: 84:[12, 80], Operations: ['64/16=4', '76+4=80'] Exploring Operation: 12*80=960, Resulting Numbers: [960] 960,84 unequal: No Solution Exploring Operation: 12+80=92, Resulting Numbers: [92] 92,84 unequal: No Solution Exploring Operation: 80-12=68, Resulting Numbers: [68] 68,84 unequal: No Solution Moving to Node #0,0,0 Current State: 84:[4, 88], Operations: ['64/16=4', '12+76=88'] Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[12, 16, 76, 64], Operations: [] Exploring Operation: 64/16=4, Resulting Numbers: [12, 76, 4] Generated Node #0,0: 84:[12, 76, 4] Operation: 64/16=4 Moving to Node #0,0 Current State: 84:[12, 76, 4], Operations: ['64/16=4'] Exploring Operation: 12+76=88, Resulting Numbers: [4, 88] Generated Node #0,0,0: 84:[4, 88] Operation: 12+76=88 Moving to Node #0,0,0 Current State: 84:[4, 88], Operations: ['64/16=4', '12+76=88'] Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
0.969618
hs_3
mult_heuristic
[ 84, 71, 82, 51 ]
61
[ "84-82=2", "71+51=122", "122/2=61" ]
Current State: 61:[84, 71, 82, 51], Operations: [] Exploring Operation: 84-82=2, Resulting Numbers: [71, 51, 2] Generated Node #2: [71, 51, 2] from Operation: 84-82=2 Current State: 61:[71, 51, 2], Operations: ['84-82=2'] Exploring Operation: 71+51=122, Resulting Numbers: [2, 122] Generated Node #3: [2, 122] from Operation: 71+51=122 Current State: 61:[2, 122], Operations: ['84-82=2', '71+51=122'] Exploring Operation: 122/2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[84, 71, 82, 51], Operations: [] Exploring Operation: 84-51=33, Resulting Numbers: [71, 82, 33] Generated Node #0,0: 61:[71, 82, 33] Operation: 84-51=33 Exploring Operation: 82-51=31, Resulting Numbers: [84, 71, 31] Generated Node #0,1: 61:[84, 71, 31] Operation: 82-51=31 Moving to Node #0,0 Current State: 61:[71, 82, 33], Operations: ['84-51=33'] Exploring Operation: 82-33=49, Resulting Numbers: [71, 49] Generated Node #0,0,0: 61:[71, 49] Operation: 82-33=49 Exploring Operation: 71-33=38, Resulting Numbers: [82, 38] Generated Node #0,0,1: 61:[82, 38] Operation: 71-33=38 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[71, 49], Operations: ['84-51=33', '82-33=49'] Exploring Operation: 71+49=120, Resulting Numbers: [120] 120,61 unequal: No Solution Exploring Operation: 71-49=22, Resulting Numbers: [22] 22,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[82, 38], Operations: ['84-51=33', '71-33=38'] Exploring Operation: 82-38=44, Resulting Numbers: [44] 44,61 unequal: No Solution Exploring Operation: 82+38=120, Resulting Numbers: [120] 120,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 61:[84, 71, 31], Operations: ['82-51=31'] Exploring Operation: 71-31=40, Resulting Numbers: [84, 40] Generated Node #0,1,0: 61:[84, 40] Operation: 71-31=40 Exploring Operation: 84-31=53, Resulting Numbers: [71, 53] Generated Node #0,1,1: 61:[71, 53] Operation: 84-31=53 Moving to Node #0,1,1 Current State: 61:[71, 53], Operations: ['82-51=31', '84-31=53'] Exploring Operation: 71-53=18, Resulting Numbers: [18] 18,61 unequal: No Solution Exploring Operation: 71+53=124, Resulting Numbers: [124] 124,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[84, 40], Operations: ['82-51=31', '71-31=40'] Exploring Operation: 84-40=44, Resulting Numbers: [44] 44,61 unequal: No Solution Exploring Operation: 84+40=124, Resulting Numbers: [124] 124,61 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 63, 61, 84, 66 ]
27
[ "84*66=5544", "5544/63=88", "88-61=27" ]
Current State: 27:[63, 61, 84, 66], Operations: [] Exploring Operation: 84*66=5544, Resulting Numbers: [63, 61, 5544] Generated Node #2: [63, 61, 5544] from Operation: 84*66=5544 Current State: 27:[63, 61, 5544], Operations: ['84*66=5544'] Exploring Operation: 5544/63=88, Resulting Numbers: [61, 88] Generated Node #3: [61, 88] from Operation: 5544/63=88 Current State: 27:[61, 88], Operations: ['84*66=5544', '5544/63=88'] Exploring Operation: 88-61=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[63, 61, 84, 66], Operations: [] Exploring Operation: 84-66=18, Resulting Numbers: [63, 61, 18] Generated Node #0,0: 27:[63, 61, 18] Operation: 84-66=18 Exploring Operation: 84-61=23, Resulting Numbers: [63, 66, 23] Generated Node #0,1: 27:[63, 66, 23] Operation: 84-61=23 Exploring Operation: 84-63=21, Resulting Numbers: [61, 66, 21] Generated Node #0,2: 27:[61, 66, 21] Operation: 84-63=21 Moving to Node #0,0 Current State: 27:[63, 61, 18], Operations: ['84-66=18'] Exploring Operation: 63-18=45, Resulting Numbers: [61, 45] Generated Node #0,0,0: 27:[61, 45] Operation: 63-18=45 Exploring Operation: 63-61=2, Resulting Numbers: [18, 2] Generated Node #0,0,1: 27:[18, 2] Operation: 63-61=2 Exploring Operation: 61-18=43, Resulting Numbers: [63, 43] Generated Node #0,0,2: 27:[63, 43] Operation: 61-18=43 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 27:[18, 2], Operations: ['84-66=18', '63-61=2'] Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,27 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[61, 45], Operations: ['84-66=18', '63-18=45'] Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 61+45=106, Resulting Numbers: [106] 106,27 unequal: No Solution Exploring Operation: 61*45=2745, Resulting Numbers: [2745] 2745,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 27:[63, 43], Operations: ['84-66=18', '61-18=43'] Exploring Operation: 63*43=2709, Resulting Numbers: [2709] 2709,27 unequal: No Solution Exploring Operation: 63+43=106, Resulting Numbers: [106] 106,27 unequal: No Solution Exploring Operation: 63-43=20, Resulting Numbers: [20] 20,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 27:[63, 66, 23], Operations: ['84-61=23'] Exploring Operation: 66-23=43, Resulting Numbers: [63, 43] Generated Node #0,1,0: 27:[63, 43] Operation: 66-23=43 Exploring Operation: 63-23=40, Resulting Numbers: [66, 40] Generated Node #0,1,1: 27:[66, 40] Operation: 63-23=40 Exploring Operation: 66-63=3, Resulting Numbers: [23, 3] Generated Node #0,1,2: 27:[23, 3] Operation: 66-63=3 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 27:[23, 3], Operations: ['84-61=23', '66-63=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,27 unequal: No Solution Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 27:[63, 43], Operations: ['84-61=23', '66-23=43'] Exploring Operation: 63+43=106, Resulting Numbers: [106] 106,27 unequal: No Solution Exploring Operation: 63-43=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 63*43=2709, Resulting Numbers: [2709] 2709,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 27:[66, 40], Operations: ['84-61=23', '63-23=40'] Exploring Operation: 66+40=106, Resulting Numbers: [106] 106,27 unequal: No Solution Exploring Operation: 66-40=26, Resulting Numbers: [26] 26,27 unequal: No Solution Exploring Operation: 66*40=2640, Resulting Numbers: [2640] 2640,27 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: 27:[61, 66, 21], Operations: ['84-63=21'] Exploring Operation: 61-21=40, Resulting Numbers: [66, 40] Generated Node #0,2,0: 27:[66, 40] Operation: 61-21=40 Exploring Operation: 66-21=45, Resulting Numbers: [61, 45] Generated Node #0,2,1: 27:[61, 45] Operation: 66-21=45 Exploring Operation: 66-61=5, Resulting Numbers: [21, 5] Generated Node #0,2,2: 27:[21, 5] Operation: 66-61=5 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 27:[21, 5], Operations: ['84-63=21', '66-61=5'] Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,27 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 21*5=105, Resulting Numbers: [105] 105,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 27:[66, 40], Operations: ['84-63=21', '61-21=40'] Exploring Operation: 66*40=2640, Resulting Numbers: [2640] 2640,27 unequal: No Solution Exploring Operation: 66+40=106, Resulting Numbers: [106] 106,27 unequal: No Solution Exploring Operation: 66-40=26, Resulting Numbers: [26] 26,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 27:[61, 45], Operations: ['84-63=21', '66-21=45'] Exploring Operation: 61*45=2745, Resulting Numbers: [2745] 2745,27 unequal: No Solution Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 61+45=106, Resulting Numbers: [106] 106,27 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
[ 69, 94, 3, 99 ]
84
[ "99-69=30", "30/3=10", "94-10=84" ]
Current State: 84:[69, 94, 3, 99], Operations: [] Exploring Operation: 99-69=30, Resulting Numbers: [94, 3, 30] Generated Node #2: [94, 3, 30] from Operation: 99-69=30 Current State: 84:[94, 3, 30], Operations: ['99-69=30'] Exploring Operation: 30/3=10, Resulting Numbers: [94, 10] Generated Node #3: [94, 10] from Operation: 30/3=10 Current State: 84:[94, 10], Operations: ['99-69=30', '30/3=10'] Exploring Operation: 94-10=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[69, 94, 3, 99], Operations: [] Exploring Operation: 99-94=5, Resulting Numbers: [69, 3, 5] Generated Node #0,0: 84:[69, 3, 5] Operation: 99-94=5 Exploring Operation: 99-69=30, Resulting Numbers: [94, 3, 30] Generated Node #0,1: 84:[94, 3, 30] Operation: 99-69=30 Exploring Operation: 94-69=25, Resulting Numbers: [3, 99, 25] Generated Node #0,2: 84:[3, 99, 25] Operation: 94-69=25 Exploring Operation: 69/3=23, Resulting Numbers: [94, 99, 23] Generated Node #0,3: 84:[94, 99, 23] Operation: 69/3=23 Moving to Node #0,1 Current State: 84:[94, 3, 30], Operations: ['99-69=30'] Exploring Operation: 94+3=97, Resulting Numbers: [30, 97] Generated Node #0,1,0: 84:[30, 97] Operation: 94+3=97 Exploring Operation: 94-3=91, Resulting Numbers: [30, 91] Generated Node #0,1,1: 84:[30, 91] Operation: 94-3=91 Exploring Operation: 30-3=27, Resulting Numbers: [94, 27] Generated Node #0,1,2: 84:[94, 27] Operation: 30-3=27 Exploring Operation: 30/3=10, Resulting Numbers: [94, 10] Generated Node #0,1,3: 84:[94, 10] Operation: 30/3=10 Moving to Node #0,0 Current State: 84:[69, 3, 5], Operations: ['99-94=5'] Exploring Operation: 5-3=2, Resulting Numbers: [69, 2] Generated Node #0,0,0: 84:[69, 2] Operation: 5-3=2 Exploring Operation: 69+5=74, Resulting Numbers: [3, 74] Generated Node #0,0,1: 84:[3, 74] Operation: 69+5=74 Exploring Operation: 69/3=23, Resulting Numbers: [5, 23] Generated Node #0,0,2: 84:[5, 23] Operation: 69/3=23 Exploring Operation: 69+3=72, Resulting Numbers: [5, 72] Generated Node #0,0,3: 84:[5, 72] Operation: 69+3=72 Moving to Node #0,2 Current State: 84:[3, 99, 25], Operations: ['94-69=25'] Exploring Operation: 99-25=74, Resulting Numbers: [3, 74] Generated Node #0,2,0: 84:[3, 74] Operation: 99-25=74 Exploring Operation: 3+25=28, Resulting Numbers: [99, 28] Generated Node #0,2,1: 84:[99, 28] Operation: 3+25=28 Exploring Operation: 99/3=33, Resulting Numbers: [25, 33] Generated Node #0,2,2: 84:[25, 33] Operation: 99/3=33 Exploring Operation: 99-3=96, Resulting Numbers: [25, 96] Generated Node #0,2,3: 84:[25, 96] Operation: 99-3=96 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 84:[25, 33], Operations: ['94-69=25', '99/3=33'] Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,84 unequal: No Solution Exploring Operation: 25*33=825, Resulting Numbers: [825] 825,84 unequal: No Solution Exploring Operation: 25+33=58, Resulting Numbers: [58] 58,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 84:[3, 74], Operations: ['94-69=25', '99-25=74'] Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,84 unequal: No Solution Exploring Operation: 3*74=222, Resulting Numbers: [222] 222,84 unequal: No Solution Exploring Operation: 3+74=77, Resulting Numbers: [77] 77,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 84:[99, 28], Operations: ['94-69=25', '3+25=28'] Exploring Operation: 99-28=71, Resulting Numbers: [71] 71,84 unequal: No Solution Exploring Operation: 99+28=127, Resulting Numbers: [127] 127,84 unequal: No Solution Exploring Operation: 99*28=2772, Resulting Numbers: [2772] 2772,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 84:[25, 96], Operations: ['94-69=25', '99-3=96'] Exploring Operation: 96-25=71, Resulting Numbers: [71] 71,84 unequal: No Solution Exploring Operation: 25+96=121, Resulting Numbers: [121] 121,84 unequal: No Solution Exploring Operation: 25*96=2400, Resulting Numbers: [2400] 2400,84 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: 84:[94, 99, 23], Operations: ['69/3=23'] Exploring Operation: 94-23=71, Resulting Numbers: [99, 71] Generated Node #0,3,0: 84:[99, 71] Operation: 94-23=71 Exploring Operation: 94+23=117, Resulting Numbers: [99, 117] Generated Node #0,3,1: 84:[99, 117] Operation: 94+23=117 Exploring Operation: 99-94=5, Resulting Numbers: [23, 5] Generated Node #0,3,2: 84:[23, 5] Operation: 99-94=5 Exploring Operation: 99-23=76, Resulting Numbers: [94, 76] Generated Node #0,3,3: 84:[94, 76] Operation: 99-23=76 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 84:[23, 5], Operations: ['69/3=23', '99-94=5'] Exploring Operation: 23*5=115, Resulting Numbers: [115] 115,84 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 23+5=28, Resulting Numbers: [28] 28,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 84:[94, 76], Operations: ['69/3=23', '99-23=76'] Exploring Operation: 94+76=170, Resulting Numbers: [170] 170,84 unequal: No Solution Exploring Operation: 94*76=7144, Resulting Numbers: [7144] 7144,84 unequal: No Solution Exploring Operation: 94-76=18, Resulting Numbers: [18] 18,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 84:[99, 71], Operations: ['69/3=23', '94-23=71'] Exploring Operation: 99*71=7029, Resulting Numbers: [7029] 7029,84 unequal: No Solution Exploring Operation: 99+71=170, Resulting Numbers: [170] 170,84 unequal: No Solution Exploring Operation: 99-71=28, Resulting Numbers: [28] 28,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 84:[99, 117], Operations: ['69/3=23', '94+23=117'] Exploring Operation: 117-99=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 99+117=216, Resulting Numbers: [216] 216,84 unequal: No Solution Exploring Operation: 99*117=11583, Resulting Numbers: [11583] 11583,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 84:[5, 23], Operations: ['99-94=5', '69/3=23'] Exploring Operation: 5+23=28, Resulting Numbers: [28] 28,84 unequal: No Solution Exploring Operation: 5*23=115, Resulting Numbers: [115] 115,84 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[30, 91], Operations: ['99-69=30', '94-3=91'] Exploring Operation: 91-30=61, Resulting Numbers: [61] 61,84 unequal: No Solution Exploring Operation: 30*91=2730, Resulting Numbers: [2730] 2730,84 unequal: No Solution Exploring Operation: 30+91=121, Resulting Numbers: [121] 121,84 unequal: No Solution Moving to Node #0,0,1 Current State: 84:[3, 74], Operations: ['99-94=5', '69+5=74'] Exploring Operation: 3+74=77, Resulting Numbers: [77] 77,84 unequal: No Solution Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,84 unequal: No Solution Exploring Operation: 3*74=222, Resulting Numbers: [222] 222,84 unequal: No Solution Moving to Node #0,1,2 Current State: 84:[94, 27], Operations: ['99-69=30', '30-3=27'] Exploring Operation: 94*27=2538, Resulting Numbers: [2538] 2538,84 unequal: No Solution Exploring Operation: 94-27=67, Resulting Numbers: [67] 67,84 unequal: No Solution Exploring Operation: 94+27=121, Resulting Numbers: [121] 121,84 unequal: No Solution Moving to Node #0,1,3 Current State: 84:[94, 10], Operations: ['99-69=30', '30/3=10'] Exploring Operation: 94+10=104, Resulting Numbers: [104] 104,84 unequal: No Solution Exploring Operation: 94*10=940, Resulting Numbers: [940] 940,84 unequal: No Solution Exploring Operation: 94-10=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[69, 94, 3, 99], Operations: [] Exploring Operation: 99-69=30, Resulting Numbers: [94, 3, 30] Generated Node #0,1: 84:[94, 3, 30] Operation: 99-69=30 Moving to Node #0,1 Current State: 84:[94, 3, 30], Operations: ['99-69=30'] Exploring Operation: 30/3=10, Resulting Numbers: [94, 10] Generated Node #0,1,3: 84:[94, 10] Operation: 30/3=10 Moving to Node #0,1,3 Current State: 84:[94, 10], Operations: ['99-69=30', '30/3=10'] Exploring Operation: 94-10=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
0.945313
hs_4
sum_heuristic
[ 87, 59, 3, 66 ]
50
[ "87-59=28", "66/3=22", "28+22=50" ]
Current State: 50:[87, 59, 3, 66], Operations: [] Exploring Operation: 87-59=28, Resulting Numbers: [3, 66, 28] Generated Node #2: [3, 66, 28] from Operation: 87-59=28 Current State: 50:[3, 66, 28], Operations: ['87-59=28'] Exploring Operation: 66/3=22, Resulting Numbers: [28, 22] Generated Node #3: [28, 22] from Operation: 66/3=22 Current State: 50:[28, 22], Operations: ['87-59=28', '66/3=22'] Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[87, 59, 3, 66], Operations: [] Exploring Operation: 87-66=21, Resulting Numbers: [59, 3, 21] Generated Node #0,0: 50:[59, 3, 21] Operation: 87-66=21 Exploring Operation: 87-59=28, Resulting Numbers: [3, 66, 28] Generated Node #0,1: 50:[3, 66, 28] Operation: 87-59=28 Moving to Node #0,0 Current State: 50:[59, 3, 21], Operations: ['87-66=21'] Exploring Operation: 59-3=56, Resulting Numbers: [21, 56] Generated Node #0,0,0: 50:[21, 56] Operation: 59-3=56 Exploring Operation: 3+21=24, Resulting Numbers: [59, 24] Generated Node #0,0,1: 50:[59, 24] Operation: 3+21=24 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[21, 56], Operations: ['87-66=21', '59-3=56'] Exploring Operation: 21+56=77, Resulting Numbers: [77] 77,50 unequal: No Solution Exploring Operation: 56-21=35, Resulting Numbers: [35] 35,50 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:[59, 24], Operations: ['87-66=21', '3+21=24'] Exploring Operation: 59+24=83, Resulting Numbers: [83] 83,50 unequal: No Solution Exploring Operation: 59-24=35, Resulting Numbers: [35] 35,50 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:[3, 66, 28], Operations: ['87-59=28'] Exploring Operation: 66-28=38, Resulting Numbers: [3, 38] Generated Node #0,1,0: 50:[3, 38] Operation: 66-28=38 Exploring Operation: 66/3=22, Resulting Numbers: [28, 22] Generated Node #0,1,1: 50:[28, 22] Operation: 66/3=22 Moving to Node #0,1,1 Current State: 50:[28, 22], Operations: ['87-59=28', '66/3=22'] Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,50 unequal: No Solution Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[87, 59, 3, 66], Operations: [] Exploring Operation: 87-59=28, Resulting Numbers: [3, 66, 28] Generated Node #0,1: 50:[3, 66, 28] Operation: 87-59=28 Moving to Node #0,1 Current State: 50:[3, 66, 28], Operations: ['87-59=28'] Exploring Operation: 66/3=22, Resulting Numbers: [28, 22] Generated Node #0,1,1: 50:[28, 22] Operation: 66/3=22 Moving to Node #0,1,1 Current State: 50:[28, 22], Operations: ['87-59=28', '66/3=22'] Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 4, 53, 71, 97 ]
11
[ "71+97=168", "168/4=42", "53-42=11" ]
Current State: 11:[4, 53, 71, 97], Operations: [] Exploring Operation: 71+97=168, Resulting Numbers: [4, 53, 168] Generated Node #2: [4, 53, 168] from Operation: 71+97=168 Current State: 11:[4, 53, 168], Operations: ['71+97=168'] Exploring Operation: 168/4=42, Resulting Numbers: [53, 42] Generated Node #3: [53, 42] from Operation: 168/4=42 Current State: 11:[53, 42], Operations: ['71+97=168', '168/4=42'] Exploring Operation: 53-42=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[4, 53, 71, 97], Operations: [] Exploring Operation: 53-4=49, Resulting Numbers: [71, 97, 49] Generated Node #0,0: 11:[71, 97, 49] Operation: 53-4=49 Exploring Operation: 71-4=67, Resulting Numbers: [53, 97, 67] Generated Node #0,1: 11:[53, 97, 67] Operation: 71-4=67 Exploring Operation: 71-53=18, Resulting Numbers: [4, 97, 18] Generated Node #0,2: 11:[4, 97, 18] Operation: 71-53=18 Exploring Operation: 97-53=44, Resulting Numbers: [4, 71, 44] Generated Node #0,3: 11:[4, 71, 44] Operation: 97-53=44 Exploring Operation: 97-71=26, Resulting Numbers: [4, 53, 26] Generated Node #0,4: 11:[4, 53, 26] Operation: 97-71=26 Start Sub Search at level 1: Moving to Node #0,4 Current State: 11:[4, 53, 26], Operations: ['97-71=26'] Exploring Operation: 53-4=49, Resulting Numbers: [26, 49] Generated Node #0,4,0: 11:[26, 49] Operation: 53-4=49 Exploring Operation: 4+53=57, Resulting Numbers: [26, 57] Generated Node #0,4,1: 11:[26, 57] Operation: 4+53=57 Exploring Operation: 26-4=22, Resulting Numbers: [53, 22] Generated Node #0,4,2: 11:[53, 22] Operation: 26-4=22 Exploring Operation: 4+26=30, Resulting Numbers: [53, 30] Generated Node #0,4,3: 11:[53, 30] Operation: 4+26=30 Exploring Operation: 53-26=27, Resulting Numbers: [4, 27] Generated Node #0,4,4: 11:[4, 27] Operation: 53-26=27 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 11:[4, 27], Operations: ['97-71=26', '53-26=27'] Exploring Operation: 4*27=108, Resulting Numbers: [108] 108,11 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,11 unequal: No Solution Exploring Operation: 4+27=31, Resulting Numbers: [31] 31,11 unequal: No Solution No 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: 11:[26, 49], Operations: ['97-71=26', '53-4=49'] Exploring Operation: 26+49=75, Resulting Numbers: [75] 75,11 unequal: No Solution Exploring Operation: 26*49=1274, Resulting Numbers: [1274] 1274,11 unequal: No Solution Exploring Operation: 49-26=23, Resulting Numbers: [23] 23,11 unequal: No Solution No 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: 11:[53, 22], Operations: ['97-71=26', '26-4=22'] Exploring Operation: 53+22=75, Resulting Numbers: [75] 75,11 unequal: No Solution Exploring Operation: 53-22=31, Resulting Numbers: [31] 31,11 unequal: No Solution Exploring Operation: 53*22=1166, Resulting Numbers: [1166] 1166,11 unequal: No Solution No 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: 11:[26, 57], Operations: ['97-71=26', '4+53=57'] Exploring Operation: 57-26=31, Resulting Numbers: [31] 31,11 unequal: No Solution Exploring Operation: 26+57=83, Resulting Numbers: [83] 83,11 unequal: No Solution Exploring Operation: 26*57=1482, Resulting Numbers: [1482] 1482,11 unequal: No Solution No 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: 11:[53, 30], Operations: ['97-71=26', '4+26=30'] Exploring Operation: 53+30=83, Resulting Numbers: [83] 83,11 unequal: No Solution Exploring Operation: 53*30=1590, Resulting Numbers: [1590] 1590,11 unequal: No Solution Exploring Operation: 53-30=23, Resulting Numbers: [23] 23,11 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: 11:[4, 97, 18], Operations: ['71-53=18'] Exploring Operation: 97-18=79, Resulting Numbers: [4, 79] Generated Node #0,2,0: 11:[4, 79] Operation: 97-18=79 Exploring Operation: 97-4=93, Resulting Numbers: [18, 93] Generated Node #0,2,1: 11:[18, 93] Operation: 97-4=93 Exploring Operation: 4+18=22, Resulting Numbers: [97, 22] Generated Node #0,2,2: 11:[97, 22] Operation: 4+18=22 Exploring Operation: 4+97=101, Resulting Numbers: [18, 101] Generated Node #0,2,3: 11:[18, 101] Operation: 4+97=101 Exploring Operation: 18-4=14, Resulting Numbers: [97, 14] Generated Node #0,2,4: 11:[97, 14] Operation: 18-4=14 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 11:[4, 79], Operations: ['71-53=18', '97-18=79'] Exploring Operation: 4*79=316, Resulting Numbers: [316] 316,11 unequal: No Solution Exploring Operation: 4+79=83, Resulting Numbers: [83] 83,11 unequal: No Solution Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,11 unequal: No Solution No 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: 11:[18, 93], Operations: ['71-53=18', '97-4=93'] Exploring Operation: 18+93=111, Resulting Numbers: [111] 111,11 unequal: No Solution Exploring Operation: 18*93=1674, Resulting Numbers: [1674] 1674,11 unequal: No Solution Exploring Operation: 93-18=75, Resulting Numbers: [75] 75,11 unequal: No Solution No 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: 11:[97, 14], Operations: ['71-53=18', '18-4=14'] Exploring Operation: 97+14=111, Resulting Numbers: [111] 111,11 unequal: No Solution Exploring Operation: 97*14=1358, Resulting Numbers: [1358] 1358,11 unequal: No Solution Exploring Operation: 97-14=83, Resulting Numbers: [83] 83,11 unequal: No Solution No 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: 11:[97, 22], Operations: ['71-53=18', '4+18=22'] Exploring Operation: 97+22=119, Resulting Numbers: [119] 119,11 unequal: No Solution Exploring Operation: 97-22=75, Resulting Numbers: [75] 75,11 unequal: No Solution Exploring Operation: 97*22=2134, Resulting Numbers: [2134] 2134,11 unequal: No Solution No 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: 11:[18, 101], Operations: ['71-53=18', '4+97=101'] Exploring Operation: 18+101=119, Resulting Numbers: [119] 119,11 unequal: No Solution Exploring Operation: 101-18=83, Resulting Numbers: [83] 83,11 unequal: No Solution Exploring Operation: 18*101=1818, Resulting Numbers: [1818] 1818,11 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: 11:[4, 71, 44], Operations: ['97-53=44'] Exploring Operation: 44/4=11, Resulting Numbers: [71, 11] Generated Node #0,3,0: 11:[71, 11] Operation: 44/4=11 Exploring Operation: 44-4=40, Resulting Numbers: [71, 40] Generated Node #0,3,1: 11:[71, 40] Operation: 44-4=40 Exploring Operation: 4+71=75, Resulting Numbers: [44, 75] Generated Node #0,3,2: 11:[44, 75] Operation: 4+71=75 Exploring Operation: 71-4=67, Resulting Numbers: [44, 67] Generated Node #0,3,3: 11:[44, 67] Operation: 71-4=67 Exploring Operation: 71-44=27, Resulting Numbers: [4, 27] Generated Node #0,3,4: 11:[4, 27] Operation: 71-44=27 Moving to Node #0,3,4 Current State: 11:[4, 27], Operations: ['97-53=44', '71-44=27'] Exploring Operation: 4*27=108, Resulting Numbers: [108] 108,11 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,11 unequal: No Solution Exploring Operation: 4+27=31, Resulting Numbers: [31] 31,11 unequal: No Solution Moving to Node #0,3,0 Current State: 11:[71, 11], Operations: ['97-53=44', '44/4=11'] Exploring Operation: 71*11=781, Resulting Numbers: [781] 781,11 unequal: No Solution Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 71+11=82, Resulting Numbers: [82] 82,11 unequal: No Solution Moving to Node #0,3,1 Current State: 11:[71, 40], Operations: ['97-53=44', '44-4=40'] Exploring Operation: 71-40=31, Resulting Numbers: [31] 31,11 unequal: No Solution Exploring Operation: 71*40=2840, Resulting Numbers: [2840] 2840,11 unequal: No Solution Exploring Operation: 71+40=111, Resulting Numbers: [111] 111,11 unequal: No Solution Moving to Node #0,3,3 Current State: 11:[44, 67], Operations: ['97-53=44', '71-4=67'] Exploring Operation: 67-44=23, Resulting Numbers: [23] 23,11 unequal: No Solution Exploring Operation: 44+67=111, Resulting Numbers: [111] 111,11 unequal: No Solution Exploring Operation: 44*67=2948, Resulting Numbers: [2948] 2948,11 unequal: No Solution Moving to Node #0,3,2 Current State: 11:[44, 75], Operations: ['97-53=44', '4+71=75'] Exploring Operation: 44+75=119, Resulting Numbers: [119] 119,11 unequal: No Solution Exploring Operation: 44*75=3300, Resulting Numbers: [3300] 3300,11 unequal: No Solution Exploring Operation: 75-44=31, Resulting Numbers: [31] 31,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[71, 97, 49], Operations: ['53-4=49'] Exploring Operation: 97-49=48, Resulting Numbers: [71, 48] Generated Node #0,0,0: 11:[71, 48] Operation: 97-49=48 Exploring Operation: 71+49=120, Resulting Numbers: [97, 120] Generated Node #0,0,1: 11:[97, 120] Operation: 71+49=120 Exploring Operation: 71-49=22, Resulting Numbers: [97, 22] Generated Node #0,0,2: 11:[97, 22] Operation: 71-49=22 Exploring Operation: 71+97=168, Resulting Numbers: [49, 168] Generated Node #0,0,3: 11:[49, 168] Operation: 71+97=168 Exploring Operation: 97-71=26, Resulting Numbers: [49, 26] Generated Node #0,0,4: 11:[49, 26] Operation: 97-71=26 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 11:[49, 26], Operations: ['53-4=49', '97-71=26'] Exploring Operation: 49*26=1274, Resulting Numbers: [1274] 1274,11 unequal: No Solution Exploring Operation: 49+26=75, Resulting Numbers: [75] 75,11 unequal: No Solution Exploring Operation: 49-26=23, Resulting Numbers: [23] 23,11 unequal: No Solution No 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: 11:[71, 48], Operations: ['53-4=49', '97-49=48'] Exploring Operation: 71-48=23, Resulting Numbers: [23] 23,11 unequal: No Solution Exploring Operation: 71*48=3408, Resulting Numbers: [3408] 3408,11 unequal: No Solution Exploring Operation: 71+48=119, Resulting Numbers: [119] 119,11 unequal: No Solution No 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: 11:[97, 22], Operations: ['53-4=49', '71-49=22'] Exploring Operation: 97-22=75, Resulting Numbers: [75] 75,11 unequal: No Solution Exploring Operation: 97*22=2134, Resulting Numbers: [2134] 2134,11 unequal: No Solution Exploring Operation: 97+22=119, Resulting Numbers: [119] 119,11 unequal: No Solution No 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: 11:[97, 120], Operations: ['53-4=49', '71+49=120'] Exploring Operation: 97+120=217, Resulting Numbers: [217] 217,11 unequal: No Solution Exploring Operation: 120-97=23, Resulting Numbers: [23] 23,11 unequal: No Solution Exploring Operation: 97*120=11640, Resulting Numbers: [11640] 11640,11 unequal: No Solution No 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: 11:[49, 168], Operations: ['53-4=49', '71+97=168'] Exploring Operation: 49+168=217, Resulting Numbers: [217] 217,11 unequal: No Solution Exploring Operation: 49*168=8232, Resulting Numbers: [8232] 8232,11 unequal: No Solution Exploring Operation: 168-49=119, Resulting Numbers: [119] 119,11 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: 11:[53, 97, 67], Operations: ['71-4=67'] Exploring Operation: 97-67=30, Resulting Numbers: [53, 30] Generated Node #0,1,0: 11:[53, 30] Operation: 97-67=30 Exploring Operation: 67-53=14, Resulting Numbers: [97, 14] Generated Node #0,1,1: 11:[97, 14] Operation: 67-53=14 Exploring Operation: 53+97=150, Resulting Numbers: [67, 150] Generated Node #0,1,2: 11:[67, 150] Operation: 53+97=150 Exploring Operation: 97-53=44, Resulting Numbers: [67, 44] Generated Node #0,1,3: 11:[67, 44] Operation: 97-53=44 Exploring Operation: 53+67=120, Resulting Numbers: [97, 120] Generated Node #0,1,4: 11:[97, 120] Operation: 53+67=120 Moving to Node #0,1,0 Current State: 11:[53, 30], Operations: ['71-4=67', '97-67=30'] Exploring Operation: 53+30=83, Resulting Numbers: [83] 83,11 unequal: No Solution Exploring Operation: 53*30=1590, Resulting Numbers: [1590] 1590,11 unequal: No Solution Exploring Operation: 53-30=23, Resulting Numbers: [23] 23,11 unequal: No Solution Moving to Node #0,1,3 Current State: 11:[67, 44], Operations: ['71-4=67', '97-53=44'] Exploring Operation: 67*44=2948, Resulting Numbers: [2948] 2948,11 unequal: No Solution Exploring Operation: 67+44=111, Resulting Numbers: [111] 111,11 unequal: No Solution Exploring Operation: 67-44=23, Resulting Numbers: [23] 23,11 unequal: No Solution Moving to Node #0,1,1 Current State: 11:[97, 14], Operations: ['71-4=67', '67-53=14'] Exploring Operation: 97*14=1358, Resulting Numbers: [1358] 1358,11 unequal: No Solution Exploring Operation: 97-14=83, Resulting Numbers: [83] 83,11 unequal: No Solution Exploring Operation: 97+14=111, Resulting Numbers: [111] 111,11 unequal: No Solution Moving to Node #0,1,2 Current State: 11:[67, 150], Operations: ['71-4=67', '53+97=150'] Exploring Operation: 67*150=10050, Resulting Numbers: [10050] 10050,11 unequal: No Solution Exploring Operation: 67+150=217, Resulting Numbers: [217] 217,11 unequal: No Solution Exploring Operation: 150-67=83, Resulting Numbers: [83] 83,11 unequal: No Solution Moving to Node #0,1,4 Current State: 11:[97, 120], Operations: ['71-4=67', '53+67=120'] Exploring Operation: 120-97=23, Resulting Numbers: [23] 23,11 unequal: No Solution Exploring Operation: 97+120=217, Resulting Numbers: [217] 217,11 unequal: No Solution Exploring Operation: 97*120=11640, Resulting Numbers: [11640] 11640,11 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
[ 52, 6, 63, 14 ]
39
[ "52*63=3276", "6*14=84", "3276/84=39" ]
Current State: 39:[52, 6, 63, 14], Operations: [] Exploring Operation: 52*63=3276, Resulting Numbers: [6, 14, 3276] Generated Node #2: [6, 14, 3276] from Operation: 52*63=3276 Current State: 39:[6, 14, 3276], Operations: ['52*63=3276'] Exploring Operation: 6*14=84, Resulting Numbers: [3276, 84] Generated Node #3: [3276, 84] from Operation: 6*14=84 Current State: 39:[3276, 84], Operations: ['52*63=3276', '6*14=84'] Exploring Operation: 3276/84=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[52, 6, 63, 14], Operations: [] Exploring Operation: 63-14=49, Resulting Numbers: [52, 6, 49] Generated Node #0,0: 39:[52, 6, 49] Operation: 63-14=49 Exploring Operation: 63-52=11, Resulting Numbers: [6, 14, 11] Generated Node #0,1: 39:[6, 14, 11] Operation: 63-52=11 Exploring Operation: 52-14=38, Resulting Numbers: [6, 63, 38] Generated Node #0,2: 39:[6, 63, 38] Operation: 52-14=38 Exploring Operation: 63-6=57, Resulting Numbers: [52, 14, 57] Generated Node #0,3: 39:[52, 14, 57] Operation: 63-6=57 Exploring Operation: 52-6=46, Resulting Numbers: [63, 14, 46] Generated Node #0,4: 39:[63, 14, 46] Operation: 52-6=46 Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[6, 14, 11], Operations: ['63-52=11'] Exploring Operation: 14-11=3, Resulting Numbers: [6, 3] Generated Node #0,1,0: 39:[6, 3] Operation: 14-11=3 Exploring Operation: 14-6=8, Resulting Numbers: [11, 8] Generated Node #0,1,1: 39:[11, 8] Operation: 14-6=8 Exploring Operation: 6+11=17, Resulting Numbers: [14, 17] Generated Node #0,1,2: 39:[14, 17] Operation: 6+11=17 Exploring Operation: 6+14=20, Resulting Numbers: [11, 20] Generated Node #0,1,3: 39:[11, 20] Operation: 6+14=20 Exploring Operation: 11-6=5, Resulting Numbers: [14, 5] Generated Node #0,1,4: 39:[14, 5] Operation: 11-6=5 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 39:[6, 3], Operations: ['63-52=11', '14-11=3'] Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 39:[14, 5], Operations: ['63-52=11', '11-6=5'] Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,39 unequal: No Solution Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 39:[14, 17], Operations: ['63-52=11', '6+11=17'] Exploring Operation: 14+17=31, Resulting Numbers: [31] 31,39 unequal: No Solution Exploring Operation: 14*17=238, Resulting Numbers: [238] 238,39 unequal: No Solution Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 39:[11, 8], Operations: ['63-52=11', '14-6=8'] Exploring Operation: 11+8=19, Resulting Numbers: [19] 19,39 unequal: No Solution Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 39:[11, 20], Operations: ['63-52=11', '6+14=20'] Exploring Operation: 11+20=31, Resulting Numbers: [31] 31,39 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 11*20=220, Resulting Numbers: [220] 220,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[52, 6, 49], Operations: ['63-14=49'] Exploring Operation: 52-49=3, Resulting Numbers: [6, 3] Generated Node #0,0,0: 39:[6, 3] Operation: 52-49=3 Exploring Operation: 6+49=55, Resulting Numbers: [52, 55] Generated Node #0,0,1: 39:[52, 55] Operation: 6+49=55 Exploring Operation: 52+6=58, Resulting Numbers: [49, 58] Generated Node #0,0,2: 39:[49, 58] Operation: 52+6=58 Exploring Operation: 52-6=46, Resulting Numbers: [49, 46] Generated Node #0,0,3: 39:[49, 46] Operation: 52-6=46 Exploring Operation: 49-6=43, Resulting Numbers: [52, 43] Generated Node #0,0,4: 39:[52, 43] Operation: 49-6=43 Moving to Node #0,0,0 Current State: 39:[6, 3], Operations: ['63-14=49', '52-49=3'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,39 unequal: No Solution Moving to Node #0,0,4 Current State: 39:[52, 43], Operations: ['63-14=49', '49-6=43'] Exploring Operation: 52-43=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 52+43=95, Resulting Numbers: [95] 95,39 unequal: No Solution Exploring Operation: 52*43=2236, Resulting Numbers: [2236] 2236,39 unequal: No Solution Moving to Node #0,0,3 Current State: 39:[49, 46], Operations: ['63-14=49', '52-6=46'] Exploring Operation: 49-46=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 49*46=2254, Resulting Numbers: [2254] 2254,39 unequal: No Solution Exploring Operation: 49+46=95, Resulting Numbers: [95] 95,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[52, 55], Operations: ['63-14=49', '6+49=55'] Exploring Operation: 52+55=107, Resulting Numbers: [107] 107,39 unequal: No Solution Exploring Operation: 52*55=2860, Resulting Numbers: [2860] 2860,39 unequal: No Solution Exploring Operation: 55-52=3, Resulting Numbers: [3] 3,39 unequal: No Solution Moving to Node #0,0,2 Current State: 39:[49, 58], Operations: ['63-14=49', '52+6=58'] Exploring Operation: 58-49=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 49*58=2842, Resulting Numbers: [2842] 2842,39 unequal: No Solution Exploring Operation: 49+58=107, Resulting Numbers: [107] 107,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[6, 63, 38], Operations: ['52-14=38'] Exploring Operation: 63-6=57, Resulting Numbers: [38, 57] Generated Node #0,2,0: 39:[38, 57] Operation: 63-6=57 Exploring Operation: 38-6=32, Resulting Numbers: [63, 32] Generated Node #0,2,1: 39:[63, 32] Operation: 38-6=32 Exploring Operation: 6+38=44, Resulting Numbers: [63, 44] Generated Node #0,2,2: 39:[63, 44] Operation: 6+38=44 Exploring Operation: 6+63=69, Resulting Numbers: [38, 69] Generated Node #0,2,3: 39:[38, 69] Operation: 6+63=69 Exploring Operation: 63-38=25, Resulting Numbers: [6, 25] Generated Node #0,2,4: 39:[6, 25] Operation: 63-38=25 Moving to Node #0,2,4 Current State: 39:[6, 25], Operations: ['52-14=38', '63-38=25'] Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,39 unequal: No Solution Exploring Operation: 6*25=150, Resulting Numbers: [150] 150,39 unequal: No Solution Exploring Operation: 6+25=31, Resulting Numbers: [31] 31,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[38, 57], Operations: ['52-14=38', '63-6=57'] Exploring Operation: 57-38=19, Resulting Numbers: [19] 19,39 unequal: No Solution Exploring Operation: 38+57=95, Resulting Numbers: [95] 95,39 unequal: No Solution Exploring Operation: 38*57=2166, Resulting Numbers: [2166] 2166,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[63, 44], Operations: ['52-14=38', '6+38=44'] Exploring Operation: 63+44=107, Resulting Numbers: [107] 107,39 unequal: No Solution Exploring Operation: 63*44=2772, Resulting Numbers: [2772] 2772,39 unequal: No Solution Exploring Operation: 63-44=19, Resulting Numbers: [19] 19,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[63, 32], Operations: ['52-14=38', '38-6=32'] Exploring Operation: 63*32=2016, Resulting Numbers: [2016] 2016,39 unequal: No Solution Exploring Operation: 63+32=95, Resulting Numbers: [95] 95,39 unequal: No Solution Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,39 unequal: No Solution Moving to Node #0,2,3 Current State: 39:[38, 69], Operations: ['52-14=38', '6+63=69'] Exploring Operation: 69-38=31, Resulting Numbers: [31] 31,39 unequal: No Solution Exploring Operation: 38*69=2622, Resulting Numbers: [2622] 2622,39 unequal: No Solution Exploring Operation: 38+69=107, Resulting Numbers: [107] 107,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 39:[52, 14, 57], Operations: ['63-6=57'] Exploring Operation: 57-52=5, Resulting Numbers: [14, 5] Generated Node #0,3,0: 39:[14, 5] Operation: 57-52=5 Exploring Operation: 57-14=43, Resulting Numbers: [52, 43] Generated Node #0,3,1: 39:[52, 43] Operation: 57-14=43 Exploring Operation: 52-14=38, Resulting Numbers: [57, 38] Generated Node #0,3,2: 39:[57, 38] Operation: 52-14=38 Exploring Operation: 14+57=71, Resulting Numbers: [52, 71] Generated Node #0,3,3: 39:[52, 71] Operation: 14+57=71 Exploring Operation: 52+14=66, Resulting Numbers: [57, 66] Generated Node #0,3,4: 39:[57, 66] Operation: 52+14=66 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 39:[14, 5], Operations: ['63-6=57', '57-52=5'] Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,39 unequal: No Solution Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,39 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 39:[52, 43], Operations: ['63-6=57', '57-14=43'] Exploring Operation: 52*43=2236, Resulting Numbers: [2236] 2236,39 unequal: No Solution Exploring Operation: 52+43=95, Resulting Numbers: [95] 95,39 unequal: No Solution Exploring Operation: 52-43=9, Resulting Numbers: [9] 9,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 39:[57, 38], Operations: ['63-6=57', '52-14=38'] Exploring Operation: 57+38=95, Resulting Numbers: [95] 95,39 unequal: No Solution Exploring Operation: 57*38=2166, Resulting Numbers: [2166] 2166,39 unequal: No Solution Exploring Operation: 57-38=19, Resulting Numbers: [19] 19,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 39:[52, 71], Operations: ['63-6=57', '14+57=71'] Exploring Operation: 71-52=19, Resulting Numbers: [19] 19,39 unequal: No Solution Exploring Operation: 52+71=123, Resulting Numbers: [123] 123,39 unequal: No Solution Exploring Operation: 52*71=3692, Resulting Numbers: [3692] 3692,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 39:[57, 66], Operations: ['63-6=57', '52+14=66'] Exploring Operation: 57+66=123, Resulting Numbers: [123] 123,39 unequal: No Solution Exploring Operation: 66-57=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 57*66=3762, Resulting Numbers: [3762] 3762,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 39:[63, 14, 46], Operations: ['52-6=46'] Exploring Operation: 63-14=49, Resulting Numbers: [46, 49] Generated Node #0,4,0: 39:[46, 49] Operation: 63-14=49 Exploring Operation: 46-14=32, Resulting Numbers: [63, 32] Generated Node #0,4,1: 39:[63, 32] Operation: 46-14=32 Exploring Operation: 14+46=60, Resulting Numbers: [63, 60] Generated Node #0,4,2: 39:[63, 60] Operation: 14+46=60 Exploring Operation: 63+14=77, Resulting Numbers: [46, 77] Generated Node #0,4,3: 39:[46, 77] Operation: 63+14=77 Exploring Operation: 63-46=17, Resulting Numbers: [14, 17] Generated Node #0,4,4: 39:[14, 17] Operation: 63-46=17 Moving to Node #0,4,4 Current State: 39:[14, 17], Operations: ['52-6=46', '63-46=17'] Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 14+17=31, Resulting Numbers: [31] 31,39 unequal: No Solution Exploring Operation: 14*17=238, Resulting Numbers: [238] 238,39 unequal: No Solution Moving to Node #0,4,0 Current State: 39:[46, 49], Operations: ['52-6=46', '63-14=49'] Exploring Operation: 46+49=95, Resulting Numbers: [95] 95,39 unequal: No Solution Exploring Operation: 49-46=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 46*49=2254, Resulting Numbers: [2254] 2254,39 unequal: No Solution Moving to Node #0,4,1 Current State: 39:[63, 32], Operations: ['52-6=46', '46-14=32'] Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,39 unequal: No Solution Exploring Operation: 63+32=95, Resulting Numbers: [95] 95,39 unequal: No Solution Exploring Operation: 63*32=2016, Resulting Numbers: [2016] 2016,39 unequal: No Solution Moving to Node #0,4,2 Current State: 39:[63, 60], Operations: ['52-6=46', '14+46=60'] Exploring Operation: 63+60=123, Resulting Numbers: [123] 123,39 unequal: No Solution Exploring Operation: 63-60=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 63*60=3780, Resulting Numbers: [3780] 3780,39 unequal: No Solution Moving to Node #0,4,3 Current State: 39:[46, 77], Operations: ['52-6=46', '63+14=77'] Exploring Operation: 46+77=123, Resulting Numbers: [123] 123,39 unequal: No Solution Exploring Operation: 77-46=31, Resulting Numbers: [31] 31,39 unequal: No Solution Exploring Operation: 46*77=3542, Resulting Numbers: [3542] 3542,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 25, 69, 10, 75 ]
33
[ "25*69=1725", "1725/75=23", "10+23=33" ]
Current State: 33:[25, 69, 10, 75], Operations: [] Exploring Operation: 25*69=1725, Resulting Numbers: [10, 75, 1725] Generated Node #2: [10, 75, 1725] from Operation: 25*69=1725 Current State: 33:[10, 75, 1725], Operations: ['25*69=1725'] Exploring Operation: 1725/75=23, Resulting Numbers: [10, 23] Generated Node #3: [10, 23] from Operation: 1725/75=23 Current State: 33:[10, 23], Operations: ['25*69=1725', '1725/75=23'] Exploring Operation: 10+23=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[25, 69, 10, 75], Operations: [] Exploring Operation: 75-69=6, Resulting Numbers: [25, 10, 6] Generated Node #0,0: 33:[25, 10, 6] Operation: 75-69=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[25, 10, 6], Operations: ['75-69=6'] Exploring Operation: 25+6=31, Resulting Numbers: [10, 31] Generated Node #0,0,0: 33:[10, 31] Operation: 25+6=31 Moving to Node #0,0,0 Current State: 33:[10, 31], Operations: ['75-69=6', '25+6=31'] Exploring Operation: 10+31=41, Resulting Numbers: [41] 41,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 48, 77, 3, 9 ]
93
[ "48*3=144", "144/9=16", "77+16=93" ]
Current State: 93:[48, 77, 3, 9], Operations: [] Exploring Operation: 48*3=144, Resulting Numbers: [77, 9, 144] Generated Node #2: [77, 9, 144] from Operation: 48*3=144 Current State: 93:[77, 9, 144], Operations: ['48*3=144'] Exploring Operation: 144/9=16, Resulting Numbers: [77, 16] Generated Node #3: [77, 16] from Operation: 144/9=16 Current State: 93:[77, 16], Operations: ['48*3=144', '144/9=16'] Exploring Operation: 77+16=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[48, 77, 3, 9], Operations: [] Exploring Operation: 77-48=29, Resulting Numbers: [3, 9, 29] Generated Node #0,0: 93:[3, 9, 29] Operation: 77-48=29 Moving to Node #0,0 Current State: 93:[3, 9, 29], Operations: ['77-48=29'] Exploring Operation: 9/3=3, Resulting Numbers: [29, 3] Generated Node #0,0,0: 93:[29, 3] Operation: 9/3=3 Moving to Node #0,0,0 Current State: 93:[29, 3], Operations: ['77-48=29', '9/3=3'] Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,93 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 15, 69, 14, 62 ]
83
[ "69-62=7", "14*7=98", "98-15=83" ]
Current State: 83:[15, 69, 14, 62], Operations: [] Exploring Operation: 69-62=7, Resulting Numbers: [15, 14, 7] Generated Node #2: [15, 14, 7] from Operation: 69-62=7 Current State: 83:[15, 14, 7], Operations: ['69-62=7'] Exploring Operation: 14*7=98, Resulting Numbers: [15, 98] Generated Node #3: [15, 98] from Operation: 14*7=98 Current State: 83:[15, 98], Operations: ['69-62=7', '14*7=98'] Exploring Operation: 98-15=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[15, 69, 14, 62], Operations: [] Exploring Operation: 15+62=77, Resulting Numbers: [69, 14, 77] Generated Node #0,0: 83:[69, 14, 77] Operation: 15+62=77 Exploring Operation: 69+14=83, Resulting Numbers: [15, 62, 83] Generated Node #0,1: 83:[15, 62, 83] Operation: 69+14=83 Exploring Operation: 15+14=29, Resulting Numbers: [69, 62, 29] Generated Node #0,2: 83:[69, 62, 29] Operation: 15+14=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[69, 14, 77], Operations: ['15+62=77'] Exploring Operation: 14+77=91, Resulting Numbers: [69, 91] Generated Node #0,0,0: 83:[69, 91] Operation: 14+77=91 Exploring Operation: 69+14=83, Resulting Numbers: [77, 83] Generated Node #0,0,1: 83:[77, 83] Operation: 69+14=83 Exploring Operation: 69-14=55, Resulting Numbers: [77, 55] Generated Node #0,0,2: 83:[77, 55] Operation: 69-14=55 Moving to Node #0,0,1 Current State: 83:[77, 83], Operations: ['15+62=77', '69+14=83'] Exploring Operation: 83-77=6, Resulting Numbers: [6] 6,83 unequal: No Solution Exploring Operation: 77*83=6391, Resulting Numbers: [6391] 6391,83 unequal: No Solution Exploring Operation: 77+83=160, Resulting Numbers: [160] 160,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[69, 91], Operations: ['15+62=77', '14+77=91'] Exploring Operation: 91-69=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 69+91=160, Resulting Numbers: [160] 160,83 unequal: No Solution Exploring Operation: 69*91=6279, Resulting Numbers: [6279] 6279,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[77, 55], Operations: ['15+62=77', '69-14=55'] Exploring Operation: 77*55=4235, Resulting Numbers: [4235] 4235,83 unequal: No Solution Exploring Operation: 77-55=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 77+55=132, Resulting Numbers: [132] 132,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[15, 62, 83], Operations: ['69+14=83'] Exploring Operation: 15+83=98, Resulting Numbers: [62, 98] Generated Node #0,1,0: 83:[62, 98] Operation: 15+83=98 Exploring Operation: 15+62=77, Resulting Numbers: [83, 77] Generated Node #0,1,1: 83:[83, 77] Operation: 15+62=77 Exploring Operation: 62-15=47, Resulting Numbers: [83, 47] Generated Node #0,1,2: 83:[83, 47] Operation: 62-15=47 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 83:[83, 77], Operations: ['69+14=83', '15+62=77'] Exploring Operation: 83-77=6, Resulting Numbers: [6] 6,83 unequal: No Solution Exploring Operation: 83+77=160, Resulting Numbers: [160] 160,83 unequal: No Solution Exploring Operation: 83*77=6391, Resulting Numbers: [6391] 6391,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 83:[62, 98], Operations: ['69+14=83', '15+83=98'] Exploring Operation: 62+98=160, Resulting Numbers: [160] 160,83 unequal: No Solution Exploring Operation: 98-62=36, Resulting Numbers: [36] 36,83 unequal: No Solution Exploring Operation: 62*98=6076, Resulting Numbers: [6076] 6076,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 83:[83, 47], Operations: ['69+14=83', '62-15=47'] Exploring Operation: 83*47=3901, Resulting Numbers: [3901] 3901,83 unequal: No Solution Exploring Operation: 83+47=130, Resulting Numbers: [130] 130,83 unequal: No Solution Exploring Operation: 83-47=36, Resulting Numbers: [36] 36,83 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: 83:[69, 62, 29], Operations: ['15+14=29'] Exploring Operation: 69-29=40, Resulting Numbers: [62, 40] Generated Node #0,2,0: 83:[62, 40] Operation: 69-29=40 Exploring Operation: 69+29=98, Resulting Numbers: [62, 98] Generated Node #0,2,1: 83:[62, 98] Operation: 69+29=98 Exploring Operation: 62+29=91, Resulting Numbers: [69, 91] Generated Node #0,2,2: 83:[69, 91] Operation: 62+29=91 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 83:[69, 91], Operations: ['15+14=29', '62+29=91'] Exploring Operation: 69*91=6279, Resulting Numbers: [6279] 6279,83 unequal: No Solution Exploring Operation: 91-69=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 69+91=160, Resulting Numbers: [160] 160,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 83:[62, 98], Operations: ['15+14=29', '69+29=98'] Exploring Operation: 98-62=36, Resulting Numbers: [36] 36,83 unequal: No Solution Exploring Operation: 62+98=160, Resulting Numbers: [160] 160,83 unequal: No Solution Exploring Operation: 62*98=6076, Resulting Numbers: [6076] 6076,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 83:[62, 40], Operations: ['15+14=29', '69-29=40'] Exploring Operation: 62+40=102, Resulting Numbers: [102] 102,83 unequal: No Solution Exploring Operation: 62*40=2480, Resulting Numbers: [2480] 2480,83 unequal: No Solution Exploring Operation: 62-40=22, Resulting Numbers: [22] 22,83 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
[ 8, 4, 72, 72 ]
31
[ "8*4=32", "72/72=1", "32-1=31" ]
Current State: 31:[8, 4, 72, 72], Operations: [] Exploring Operation: 8*4=32, Resulting Numbers: [72, 72, 32] Generated Node #2: [72, 72, 32] from Operation: 8*4=32 Current State: 31:[72, 72, 32], Operations: ['8*4=32'] Exploring Operation: 72/72=1, Resulting Numbers: [32, 1] Generated Node #3: [32, 1] from Operation: 72/72=1 Current State: 31:[32, 1], Operations: ['8*4=32', '72/72=1'] Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[8, 4, 72, 72], Operations: [] Exploring Operation: 72-72=0, Resulting Numbers: [8, 4, 0] Generated Node #0,0: 31:[8, 4, 0] Operation: 72-72=0 Exploring Operation: 72/72=1, Resulting Numbers: [8, 4, 1] Generated Node #0,1: 31:[8, 4, 1] Operation: 72/72=1 Exploring Operation: 8*4=32, Resulting Numbers: [72, 72, 32] Generated Node #0,2: 31:[72, 72, 32] Operation: 8*4=32 Exploring Operation: 72/4=18, Resulting Numbers: [8, 72, 18] Generated Node #0,3: 31:[8, 72, 18] Operation: 72/4=18 Exploring Operation: 72/4=18, Resulting Numbers: [8, 72, 18] Generated Node #0,4: 31:[8, 72, 18] Operation: 72/4=18 Moving to Node #0,3 Current State: 31:[8, 72, 18], Operations: ['72/4=18'] Exploring Operation: 8+18=26, Resulting Numbers: [72, 26] Generated Node #0,3,0: 31:[72, 26] Operation: 8+18=26 Exploring Operation: 72-18=54, Resulting Numbers: [8, 54] Generated Node #0,3,1: 31:[8, 54] Operation: 72-18=54 Exploring Operation: 72/18=4, Resulting Numbers: [8, 4] Generated Node #0,3,2: 31:[8, 4] Operation: 72/18=4 Exploring Operation: 72/8=9, Resulting Numbers: [18, 9] Generated Node #0,3,3: 31:[18, 9] Operation: 72/8=9 Exploring Operation: 72-8=64, Resulting Numbers: [18, 64] Generated Node #0,3,4: 31:[18, 64] Operation: 72-8=64 Moving to Node #0,4 Current State: 31:[8, 72, 18], Operations: ['72/4=18'] Exploring Operation: 72/18=4, Resulting Numbers: [8, 4] Generated Node #0,4,0: 31:[8, 4] Operation: 72/18=4 Exploring Operation: 72/8=9, Resulting Numbers: [18, 9] Generated Node #0,4,1: 31:[18, 9] Operation: 72/8=9 Exploring Operation: 72-8=64, Resulting Numbers: [18, 64] Generated Node #0,4,2: 31:[18, 64] Operation: 72-8=64 Exploring Operation: 8+18=26, Resulting Numbers: [72, 26] Generated Node #0,4,3: 31:[72, 26] Operation: 8+18=26 Exploring Operation: 72-18=54, Resulting Numbers: [8, 54] Generated Node #0,4,4: 31:[8, 54] Operation: 72-18=54 Moving to Node #0,1 Current State: 31:[8, 4, 1], Operations: ['72/72=1'] Exploring Operation: 4+1=5, Resulting Numbers: [8, 5] Generated Node #0,1,0: 31:[8, 5] Operation: 4+1=5 Exploring Operation: 8+1=9, Resulting Numbers: [4, 9] Generated Node #0,1,1: 31:[4, 9] Operation: 8+1=9 Exploring Operation: 8+4=12, Resulting Numbers: [1, 12] Generated Node #0,1,2: 31:[1, 12] Operation: 8+4=12 Exploring Operation: 8*4=32, Resulting Numbers: [1, 32] Generated Node #0,1,3: 31:[1, 32] Operation: 8*4=32 Exploring Operation: 8*1=8, Resulting Numbers: [4, 8] Generated Node #0,1,4: 31:[4, 8] Operation: 8*1=8 Moving to Node #0,0 Current State: 31:[8, 4, 0], Operations: ['72-72=0'] Exploring Operation: 8-0=8, Resulting Numbers: [4, 8] Generated Node #0,0,0: 31:[4, 8] Operation: 8-0=8 Exploring Operation: 8*4=32, Resulting Numbers: [0, 32] Generated Node #0,0,1: 31:[0, 32] Operation: 8*4=32 Exploring Operation: 4+0=4, Resulting Numbers: [8, 4] Generated Node #0,0,2: 31:[8, 4] Operation: 4+0=4 Exploring Operation: 8+4=12, Resulting Numbers: [0, 12] Generated Node #0,0,3: 31:[0, 12] Operation: 8+4=12 Exploring Operation: 8+0=8, Resulting Numbers: [4, 8] Generated Node #0,0,4: 31:[4, 8] Operation: 8+0=8 Moving to Node #0,2 Current State: 31:[72, 72, 32], Operations: ['8*4=32'] Exploring Operation: 72+72=144, Resulting Numbers: [32, 144] Generated Node #0,2,0: 31:[32, 144] Operation: 72+72=144 Exploring Operation: 72-72=0, Resulting Numbers: [32, 0] Generated Node #0,2,1: 31:[32, 0] Operation: 72-72=0 Exploring Operation: 72-32=40, Resulting Numbers: [72, 40] Generated Node #0,2,2: 31:[72, 40] Operation: 72-32=40 Exploring Operation: 72/72=1, Resulting Numbers: [32, 1] Generated Node #0,2,3: 31:[32, 1] Operation: 72/72=1 Exploring Operation: 72-32=40, Resulting Numbers: [72, 40] Generated Node #0,2,4: 31:[72, 40] Operation: 72-32=40 Moving to Node #0,1,3 Current State: 31:[1, 32], Operations: ['72/72=1', '8*4=32'] Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,31 unequal: No Solution Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[8, 4, 72, 72], Operations: [] Exploring Operation: 72/72=1, Resulting Numbers: [8, 4, 1] Generated Node #0,1: 31:[8, 4, 1] Operation: 72/72=1 Moving to Node #0,1 Current State: 31:[8, 4, 1], Operations: ['72/72=1'] Exploring Operation: 8*4=32, Resulting Numbers: [1, 32] Generated Node #0,1,3: 31:[1, 32] Operation: 8*4=32 Moving to Node #0,1,3 Current State: 31:[1, 32], Operations: ['72/72=1', '8*4=32'] Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
0.96875
hs_5
sum_heuristic
[ 25, 73, 78, 60 ]
19
[ "73-60=13", "78/13=6", "25-6=19" ]
Current State: 19:[25, 73, 78, 60], Operations: [] Exploring Operation: 73-60=13, Resulting Numbers: [25, 78, 13] Generated Node #2: [25, 78, 13] from Operation: 73-60=13 Current State: 19:[25, 78, 13], Operations: ['73-60=13'] Exploring Operation: 78/13=6, Resulting Numbers: [25, 6] Generated Node #3: [25, 6] from Operation: 78/13=6 Current State: 19:[25, 6], Operations: ['73-60=13', '78/13=6'] Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[25, 73, 78, 60], Operations: [] Exploring Operation: 78-73=5, Resulting Numbers: [25, 60, 5] Generated Node #0,0: 19:[25, 60, 5] Operation: 78-73=5 Exploring Operation: 78-60=18, Resulting Numbers: [25, 73, 18] Generated Node #0,1: 19:[25, 73, 18] Operation: 78-60=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[25, 60, 5], Operations: ['78-73=5'] Exploring Operation: 60-25=35, Resulting Numbers: [5, 35] Generated Node #0,0,0: 19:[5, 35] Operation: 60-25=35 Exploring Operation: 60/5=12, Resulting Numbers: [25, 12] Generated Node #0,0,1: 19:[25, 12] Operation: 60/5=12 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 19:[25, 12], Operations: ['78-73=5', '60/5=12'] Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,19 unequal: No Solution Exploring Operation: 25+12=37, Resulting Numbers: [37] 37,19 unequal: No Solution No 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: 19:[5, 35], Operations: ['78-73=5', '60-25=35'] Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,19 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: 19:[25, 73, 18], Operations: ['78-60=18'] Exploring Operation: 73-25=48, Resulting Numbers: [18, 48] Generated Node #0,1,0: 19:[18, 48] Operation: 73-25=48 Exploring Operation: 73-18=55, Resulting Numbers: [25, 55] Generated Node #0,1,1: 19:[25, 55] Operation: 73-18=55 Moving to Node #0,1,0 Current State: 19:[18, 48], Operations: ['78-60=18', '73-25=48'] Exploring Operation: 18+48=66, Resulting Numbers: [66] 66,19 unequal: No Solution Exploring Operation: 48-18=30, Resulting Numbers: [30] 30,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[25, 55], Operations: ['78-60=18', '73-18=55'] Exploring Operation: 25+55=80, Resulting Numbers: [80] 80,19 unequal: No Solution Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 4, 41, 66, 51 ]
89
[ "41+51=92", "92/4=23", "66+23=89" ]
Current State: 89:[4, 41, 66, 51], Operations: [] Exploring Operation: 41+51=92, Resulting Numbers: [4, 66, 92] Generated Node #2: [4, 66, 92] from Operation: 41+51=92 Current State: 89:[4, 66, 92], Operations: ['41+51=92'] Exploring Operation: 92/4=23, Resulting Numbers: [66, 23] Generated Node #3: [66, 23] from Operation: 92/4=23 Current State: 89:[66, 23], Operations: ['41+51=92', '92/4=23'] Exploring Operation: 66+23=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[4, 41, 66, 51], Operations: [] Exploring Operation: 4+66=70, Resulting Numbers: [41, 51, 70] Generated Node #0,0: 89:[41, 51, 70] Operation: 4+66=70 Exploring Operation: 4+41=45, Resulting Numbers: [66, 51, 45] Generated Node #0,1: 89:[66, 51, 45] Operation: 4+41=45 Exploring Operation: 41+51=92, Resulting Numbers: [4, 66, 92] Generated Node #0,2: 89:[4, 66, 92] Operation: 41+51=92 Exploring Operation: 4+51=55, Resulting Numbers: [41, 66, 55] Generated Node #0,3: 89:[41, 66, 55] Operation: 4+51=55 Moving to Node #0,0 Current State: 89:[41, 51, 70], Operations: ['4+66=70'] Exploring Operation: 41+51=92, Resulting Numbers: [70, 92] Generated Node #0,0,0: 89:[70, 92] Operation: 41+51=92 Exploring Operation: 41+70=111, Resulting Numbers: [51, 111] Generated Node #0,0,1: 89:[51, 111] Operation: 41+70=111 Exploring Operation: 51+70=121, Resulting Numbers: [41, 121] Generated Node #0,0,2: 89:[41, 121] Operation: 51+70=121 Exploring Operation: 51-41=10, Resulting Numbers: [70, 10] Generated Node #0,0,3: 89:[70, 10] Operation: 51-41=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[70, 92], Operations: ['4+66=70', '41+51=92'] Exploring Operation: 92-70=22, Resulting Numbers: [22] 22,89 unequal: No Solution Exploring Operation: 70+92=162, Resulting Numbers: [162] 162,89 unequal: No Solution Exploring Operation: 70*92=6440, Resulting Numbers: [6440] 6440,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 89:[51, 111], Operations: ['4+66=70', '41+70=111'] Exploring Operation: 51+111=162, Resulting Numbers: [162] 162,89 unequal: No Solution Exploring Operation: 51*111=5661, Resulting Numbers: [5661] 5661,89 unequal: No Solution Exploring Operation: 111-51=60, Resulting Numbers: [60] 60,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 89:[41, 121], Operations: ['4+66=70', '51+70=121'] Exploring Operation: 41+121=162, Resulting Numbers: [162] 162,89 unequal: No Solution Exploring Operation: 41*121=4961, Resulting Numbers: [4961] 4961,89 unequal: No Solution Exploring Operation: 121-41=80, Resulting Numbers: [80] 80,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 89:[70, 10], Operations: ['4+66=70', '51-41=10'] Exploring Operation: 70+10=80, Resulting Numbers: [80] 80,89 unequal: No Solution Exploring Operation: 70*10=700, Resulting Numbers: [700] 700,89 unequal: No Solution Exploring Operation: 70/10=7, Resulting Numbers: [7] 7,89 unequal: No Solution Exploring Operation: 70-10=60, Resulting Numbers: [60] 60,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 89:[41, 66, 55], Operations: ['4+51=55'] Exploring Operation: 66-41=25, Resulting Numbers: [55, 25] Generated Node #0,3,0: 89:[55, 25] Operation: 66-41=25 Exploring Operation: 66+55=121, Resulting Numbers: [41, 121] Generated Node #0,3,1: 89:[41, 121] Operation: 66+55=121 Exploring Operation: 41+55=96, Resulting Numbers: [66, 96] Generated Node #0,3,2: 89:[66, 96] Operation: 41+55=96 Exploring Operation: 41+66=107, Resulting Numbers: [55, 107] Generated Node #0,3,3: 89:[55, 107] Operation: 41+66=107 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 89:[66, 96], Operations: ['4+51=55', '41+55=96'] Exploring Operation: 66*96=6336, Resulting Numbers: [6336] 6336,89 unequal: No Solution Exploring Operation: 66+96=162, Resulting Numbers: [162] 162,89 unequal: No Solution Exploring Operation: 96-66=30, Resulting Numbers: [30] 30,89 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 #0,3,3 Current State: 89:[55, 107], Operations: ['4+51=55', '41+66=107'] Exploring Operation: 55*107=5885, Resulting Numbers: [5885] 5885,89 unequal: No Solution Exploring Operation: 107-55=52, Resulting Numbers: [52] 52,89 unequal: No Solution Exploring Operation: 55+107=162, Resulting Numbers: [162] 162,89 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 #0,3,1 Current State: 89:[41, 121], Operations: ['4+51=55', '66+55=121'] Exploring Operation: 121-41=80, Resulting Numbers: [80] 80,89 unequal: No Solution Exploring Operation: 41*121=4961, Resulting Numbers: [4961] 4961,89 unequal: No Solution Exploring Operation: 41+121=162, Resulting Numbers: [162] 162,89 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 #0,3,0 Current State: 89:[55, 25], Operations: ['4+51=55', '66-41=25'] Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,89 unequal: No Solution Exploring Operation: 55+25=80, Resulting Numbers: [80] 80,89 unequal: No Solution Exploring Operation: 55*25=1375, Resulting Numbers: [1375] 1375,89 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: 89:[66, 51, 45], Operations: ['4+41=45'] Exploring Operation: 66-45=21, Resulting Numbers: [51, 21] Generated Node #0,1,0: 89:[51, 21] Operation: 66-45=21 Exploring Operation: 66+51=117, Resulting Numbers: [45, 117] Generated Node #0,1,1: 89:[45, 117] Operation: 66+51=117 Exploring Operation: 66+45=111, Resulting Numbers: [51, 111] Generated Node #0,1,2: 89:[51, 111] Operation: 66+45=111 Exploring Operation: 51+45=96, Resulting Numbers: [66, 96] Generated Node #0,1,3: 89:[66, 96] Operation: 51+45=96 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 89:[66, 96], Operations: ['4+41=45', '51+45=96'] Exploring Operation: 66*96=6336, Resulting Numbers: [6336] 6336,89 unequal: No Solution Exploring Operation: 66+96=162, Resulting Numbers: [162] 162,89 unequal: No Solution Exploring Operation: 96-66=30, Resulting Numbers: [30] 30,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 89:[51, 111], Operations: ['4+41=45', '66+45=111'] Exploring Operation: 51+111=162, Resulting Numbers: [162] 162,89 unequal: No Solution Exploring Operation: 111-51=60, Resulting Numbers: [60] 60,89 unequal: No Solution Exploring Operation: 51*111=5661, Resulting Numbers: [5661] 5661,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[45, 117], Operations: ['4+41=45', '66+51=117'] Exploring Operation: 45+117=162, Resulting Numbers: [162] 162,89 unequal: No Solution Exploring Operation: 45*117=5265, Resulting Numbers: [5265] 5265,89 unequal: No Solution Exploring Operation: 117-45=72, Resulting Numbers: [72] 72,89 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 #0,1,0 Current State: 89:[51, 21], Operations: ['4+41=45', '66-45=21'] Exploring Operation: 51-21=30, Resulting Numbers: [30] 30,89 unequal: No Solution Exploring Operation: 51*21=1071, Resulting Numbers: [1071] 1071,89 unequal: No Solution Exploring Operation: 51+21=72, Resulting Numbers: [72] 72,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 89:[4, 66, 92], Operations: ['41+51=92'] Exploring Operation: 4+66=70, Resulting Numbers: [92, 70] Generated Node #0,2,0: 89:[92, 70] Operation: 4+66=70 Exploring Operation: 92-4=88, Resulting Numbers: [66, 88] Generated Node #0,2,1: 89:[66, 88] Operation: 92-4=88 Exploring Operation: 4+92=96, Resulting Numbers: [66, 96] Generated Node #0,2,2: 89:[66, 96] Operation: 4+92=96 Exploring Operation: 66-4=62, Resulting Numbers: [92, 62] Generated Node #0,2,3: 89:[92, 62] Operation: 66-4=62 Moving to Node #0,2,0 Current State: 89:[92, 70], Operations: ['41+51=92', '4+66=70'] Exploring Operation: 92-70=22, Resulting Numbers: [22] 22,89 unequal: No Solution Exploring Operation: 92*70=6440, Resulting Numbers: [6440] 6440,89 unequal: No Solution Exploring Operation: 92+70=162, Resulting Numbers: [162] 162,89 unequal: No Solution Moving to Node #0,2,1 Current State: 89:[66, 88], Operations: ['41+51=92', '92-4=88'] Exploring Operation: 66*88=5808, Resulting Numbers: [5808] 5808,89 unequal: No Solution Exploring Operation: 66+88=154, Resulting Numbers: [154] 154,89 unequal: No Solution Exploring Operation: 88-66=22, Resulting Numbers: [22] 22,89 unequal: No Solution Moving to Node #0,2,3 Current State: 89:[92, 62], Operations: ['41+51=92', '66-4=62'] Exploring Operation: 92-62=30, Resulting Numbers: [30] 30,89 unequal: No Solution Exploring Operation: 92+62=154, Resulting Numbers: [154] 154,89 unequal: No Solution Exploring Operation: 92*62=5704, Resulting Numbers: [5704] 5704,89 unequal: No Solution Moving to Node #0,2,2 Current State: 89:[66, 96], Operations: ['41+51=92', '4+92=96'] Exploring Operation: 66+96=162, Resulting Numbers: [162] 162,89 unequal: No Solution Exploring Operation: 66*96=6336, Resulting Numbers: [6336] 6336,89 unequal: No Solution Exploring Operation: 96-66=30, Resulting Numbers: [30] 30,89 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 1, 19, 23, 39 ]
43
[ "1*19=19", "23+39=62", "62-19=43" ]
Current State: 43:[1, 19, 23, 39], Operations: [] Exploring Operation: 1*19=19, Resulting Numbers: [23, 39, 19] Generated Node #2: [23, 39, 19] from Operation: 1*19=19 Current State: 43:[23, 39, 19], Operations: ['1*19=19'] Exploring Operation: 23+39=62, Resulting Numbers: [19, 62] Generated Node #3: [19, 62] from Operation: 23+39=62 Current State: 43:[19, 62], Operations: ['1*19=19', '23+39=62'] Exploring Operation: 62-19=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[1, 19, 23, 39], Operations: [] Exploring Operation: 1*19=19, Resulting Numbers: [23, 39, 19] Generated Node #0,0: 43:[23, 39, 19] Operation: 1*19=19 Exploring Operation: 1+23=24, Resulting Numbers: [19, 39, 24] Generated Node #0,1: 43:[19, 39, 24] Operation: 1+23=24 Exploring Operation: 19+23=42, Resulting Numbers: [1, 39, 42] Generated Node #0,2: 43:[1, 39, 42] Operation: 19+23=42 Exploring Operation: 1+39=40, Resulting Numbers: [19, 23, 40] Generated Node #0,3: 43:[19, 23, 40] Operation: 1+39=40 Exploring Operation: 1+19=20, Resulting Numbers: [23, 39, 20] Generated Node #0,4: 43:[23, 39, 20] Operation: 1+19=20 Moving to Node #0,1 Current State: 43:[19, 39, 24], Operations: ['1+23=24'] Exploring Operation: 39-19=20, Resulting Numbers: [24, 20] Generated Node #0,1,0: 43:[24, 20] Operation: 39-19=20 Exploring Operation: 19+24=43, Resulting Numbers: [39, 43] Generated Node #0,1,1: 43:[39, 43] Operation: 19+24=43 Exploring Operation: 24-19=5, Resulting Numbers: [39, 5] Generated Node #0,1,2: 43:[39, 5] Operation: 24-19=5 Exploring Operation: 39+24=63, Resulting Numbers: [19, 63] Generated Node #0,1,3: 43:[19, 63] Operation: 39+24=63 Exploring Operation: 19+39=58, Resulting Numbers: [24, 58] Generated Node #0,1,4: 43:[24, 58] Operation: 19+39=58 Moving to Node #0,3 Current State: 43:[19, 23, 40], Operations: ['1+39=40'] Exploring Operation: 19+23=42, Resulting Numbers: [40, 42] Generated Node #0,3,0: 43:[40, 42] Operation: 19+23=42 Exploring Operation: 19+40=59, Resulting Numbers: [23, 59] Generated Node #0,3,1: 43:[23, 59] Operation: 19+40=59 Exploring Operation: 23-19=4, Resulting Numbers: [40, 4] Generated Node #0,3,2: 43:[40, 4] Operation: 23-19=4 Exploring Operation: 40-19=21, Resulting Numbers: [23, 21] Generated Node #0,3,3: 43:[23, 21] Operation: 40-19=21 Exploring Operation: 23+40=63, Resulting Numbers: [19, 63] Generated Node #0,3,4: 43:[19, 63] Operation: 23+40=63 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 43:[40, 42], Operations: ['1+39=40', '19+23=42'] Exploring Operation: 40+42=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 40*42=1680, Resulting Numbers: [1680] 1680,43 unequal: No Solution Exploring Operation: 42-40=2, Resulting Numbers: [2] 2,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 43:[23, 59], Operations: ['1+39=40', '19+40=59'] Exploring Operation: 23*59=1357, Resulting Numbers: [1357] 1357,43 unequal: No Solution Exploring Operation: 23+59=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 59-23=36, Resulting Numbers: [36] 36,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 43:[40, 4], Operations: ['1+39=40', '23-19=4'] Exploring Operation: 40*4=160, Resulting Numbers: [160] 160,43 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,43 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 43:[23, 21], Operations: ['1+39=40', '40-19=21'] Exploring Operation: 23+21=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 23*21=483, Resulting Numbers: [483] 483,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 43:[19, 63], Operations: ['1+39=40', '23+40=63'] Exploring Operation: 19+63=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 19*63=1197, Resulting Numbers: [1197] 1197,43 unequal: No Solution Exploring Operation: 63-19=44, Resulting Numbers: [44] 44,43 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: 43:[1, 39, 42], Operations: ['19+23=42'] Exploring Operation: 1*42=42, Resulting Numbers: [39, 42] Generated Node #0,2,0: 43:[39, 42] Operation: 1*42=42 Exploring Operation: 1*39=39, Resulting Numbers: [42, 39] Generated Node #0,2,1: 43:[42, 39] Operation: 1*39=39 Exploring Operation: 1+39=40, Resulting Numbers: [42, 40] Generated Node #0,2,2: 43:[42, 40] Operation: 1+39=40 Exploring Operation: 39/1=39, Resulting Numbers: [42, 39] Generated Node #0,2,3: 43:[42, 39] Operation: 39/1=39 Exploring Operation: 1+42=43, Resulting Numbers: [39, 43] Generated Node #0,2,4: 43:[39, 43] Operation: 1+42=43 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 43:[42, 40], Operations: ['19+23=42', '1+39=40'] Exploring Operation: 42*40=1680, Resulting Numbers: [1680] 1680,43 unequal: No Solution Exploring Operation: 42+40=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 42-40=2, Resulting Numbers: [2] 2,43 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 #0,2,4 Current State: 43:[39, 43], Operations: ['19+23=42', '1+42=43'] Exploring Operation: 43-39=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 39*43=1677, Resulting Numbers: [1677] 1677,43 unequal: No Solution Exploring Operation: 39+43=82, Resulting Numbers: [82] 82,43 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 #0,2,0 Current State: 43:[39, 42], Operations: ['19+23=42', '1*42=42'] Exploring Operation: 39*42=1638, Resulting Numbers: [1638] 1638,43 unequal: No Solution Exploring Operation: 42-39=3, Resulting Numbers: [3] 3,43 unequal: No Solution Exploring Operation: 39+42=81, Resulting Numbers: [81] 81,43 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 #0,2,1 Current State: 43:[42, 39], Operations: ['19+23=42', '1*39=39'] Exploring Operation: 42-39=3, Resulting Numbers: [3] 3,43 unequal: No Solution Exploring Operation: 42*39=1638, Resulting Numbers: [1638] 1638,43 unequal: No Solution Exploring Operation: 42+39=81, Resulting Numbers: [81] 81,43 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 #0,2,3 Current State: 43:[42, 39], Operations: ['19+23=42', '39/1=39'] Exploring Operation: 42*39=1638, Resulting Numbers: [1638] 1638,43 unequal: No Solution Exploring Operation: 42+39=81, Resulting Numbers: [81] 81,43 unequal: No Solution Exploring Operation: 42-39=3, Resulting Numbers: [3] 3,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 43:[23, 39, 20], Operations: ['1+19=20'] Exploring Operation: 23-20=3, Resulting Numbers: [39, 3] Generated Node #0,4,0: 43:[39, 3] Operation: 23-20=3 Exploring Operation: 23+20=43, Resulting Numbers: [39, 43] Generated Node #0,4,1: 43:[39, 43] Operation: 23+20=43 Exploring Operation: 39-20=19, Resulting Numbers: [23, 19] Generated Node #0,4,2: 43:[23, 19] Operation: 39-20=19 Exploring Operation: 39+20=59, Resulting Numbers: [23, 59] Generated Node #0,4,3: 43:[23, 59] Operation: 39+20=59 Exploring Operation: 23+39=62, Resulting Numbers: [20, 62] Generated Node #0,4,4: 43:[20, 62] Operation: 23+39=62 Moving to Node #0,0 Current State: 43:[23, 39, 19], Operations: ['1*19=19'] Exploring Operation: 39+19=58, Resulting Numbers: [23, 58] Generated Node #0,0,0: 43:[23, 58] Operation: 39+19=58 Exploring Operation: 23-19=4, Resulting Numbers: [39, 4] Generated Node #0,0,1: 43:[39, 4] Operation: 23-19=4 Exploring Operation: 23+19=42, Resulting Numbers: [39, 42] Generated Node #0,0,2: 43:[39, 42] Operation: 23+19=42 Exploring Operation: 39-19=20, Resulting Numbers: [23, 20] Generated Node #0,0,3: 43:[23, 20] Operation: 39-19=20 Exploring Operation: 23+39=62, Resulting Numbers: [19, 62] Generated Node #0,0,4: 43:[19, 62] Operation: 23+39=62 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 43:[39, 42], Operations: ['1*19=19', '23+19=42'] Exploring Operation: 42-39=3, Resulting Numbers: [3] 3,43 unequal: No Solution Exploring Operation: 39+42=81, Resulting Numbers: [81] 81,43 unequal: No Solution Exploring Operation: 39*42=1638, Resulting Numbers: [1638] 1638,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[23, 58], Operations: ['1*19=19', '39+19=58'] Exploring Operation: 23+58=81, Resulting Numbers: [81] 81,43 unequal: No Solution Exploring Operation: 58-23=35, Resulting Numbers: [35] 35,43 unequal: No Solution Exploring Operation: 23*58=1334, Resulting Numbers: [1334] 1334,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 43:[39, 4], Operations: ['1*19=19', '23-19=4'] Exploring Operation: 39*4=156, Resulting Numbers: [156] 156,43 unequal: No Solution Exploring Operation: 39+4=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[1, 19, 23, 39], Operations: [] Exploring Operation: 1*19=19, Resulting Numbers: [23, 39, 19] Generated Node #0,0: 43:[23, 39, 19] Operation: 1*19=19 Moving to Node #0,0 Current State: 43:[23, 39, 19], Operations: ['1*19=19'] Exploring Operation: 23-19=4, Resulting Numbers: [39, 4] Generated Node #0,0,1: 43:[39, 4] Operation: 23-19=4 Moving to Node #0,0,1 Current State: 43:[39, 4], Operations: ['1*19=19', '23-19=4'] Exploring Operation: 39+4=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.936632
hs_5
mult_heuristic
[ 17, 69, 71, 8 ]
42
[ "71-69=2", "17*2=34", "8+34=42" ]
Current State: 42:[17, 69, 71, 8], Operations: [] Exploring Operation: 71-69=2, Resulting Numbers: [17, 8, 2] Generated Node #2: [17, 8, 2] from Operation: 71-69=2 Current State: 42:[17, 8, 2], Operations: ['71-69=2'] Exploring Operation: 17*2=34, Resulting Numbers: [8, 34] Generated Node #3: [8, 34] from Operation: 17*2=34 Current State: 42:[8, 34], Operations: ['71-69=2', '17*2=34'] Exploring Operation: 8+34=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[17, 69, 71, 8], Operations: [] Exploring Operation: 71-17=54, Resulting Numbers: [69, 8, 54] Generated Node #0,0: 42:[69, 8, 54] Operation: 71-17=54 Exploring Operation: 71-69=2, Resulting Numbers: [17, 8, 2] Generated Node #0,1: 42:[17, 8, 2] Operation: 71-69=2 Exploring Operation: 69-17=52, Resulting Numbers: [71, 8, 52] Generated Node #0,2: 42:[71, 8, 52] Operation: 69-17=52 Exploring Operation: 71-8=63, Resulting Numbers: [17, 69, 63] Generated Node #0,3: 42:[17, 69, 63] Operation: 71-8=63 Exploring Operation: 69-8=61, Resulting Numbers: [17, 71, 61] Generated Node #0,4: 42:[17, 71, 61] Operation: 69-8=61 Moving to Node #0,1 Current State: 42:[17, 8, 2], Operations: ['71-69=2'] Exploring Operation: 17-8=9, Resulting Numbers: [2, 9] Generated Node #0,1,0: 42:[2, 9] Operation: 17-8=9 Exploring Operation: 17+2=19, Resulting Numbers: [8, 19] Generated Node #0,1,1: 42:[8, 19] Operation: 17+2=19 Exploring Operation: 17+8=25, Resulting Numbers: [2, 25] Generated Node #0,1,2: 42:[2, 25] Operation: 17+8=25 Exploring Operation: 8-2=6, Resulting Numbers: [17, 6] Generated Node #0,1,3: 42:[17, 6] Operation: 8-2=6 Exploring Operation: 17-2=15, Resulting Numbers: [8, 15] Generated Node #0,1,4: 42:[8, 15] Operation: 17-2=15 Moving to Node #0,2 Current State: 42:[71, 8, 52], Operations: ['69-17=52'] Exploring Operation: 71-8=63, Resulting Numbers: [52, 63] Generated Node #0,2,0: 42:[52, 63] Operation: 71-8=63 Exploring Operation: 71+8=79, Resulting Numbers: [52, 79] Generated Node #0,2,1: 42:[52, 79] Operation: 71+8=79 Exploring Operation: 71-52=19, Resulting Numbers: [8, 19] Generated Node #0,2,2: 42:[8, 19] Operation: 71-52=19 Exploring Operation: 8+52=60, Resulting Numbers: [71, 60] Generated Node #0,2,3: 42:[71, 60] Operation: 8+52=60 Exploring Operation: 52-8=44, Resulting Numbers: [71, 44] Generated Node #0,2,4: 42:[71, 44] Operation: 52-8=44 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 42:[8, 19], Operations: ['69-17=52', '71-52=19'] Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,42 unequal: No Solution Exploring Operation: 8*19=152, Resulting Numbers: [152] 152,42 unequal: No Solution Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 42:[52, 63], Operations: ['69-17=52', '71-8=63'] Exploring Operation: 63-52=11, Resulting Numbers: [11] 11,42 unequal: No Solution Exploring Operation: 52*63=3276, Resulting Numbers: [3276] 3276,42 unequal: No Solution Exploring Operation: 52+63=115, Resulting Numbers: [115] 115,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 42:[71, 44], Operations: ['69-17=52', '52-8=44'] Exploring Operation: 71+44=115, Resulting Numbers: [115] 115,42 unequal: No Solution Exploring Operation: 71*44=3124, Resulting Numbers: [3124] 3124,42 unequal: No Solution Exploring Operation: 71-44=27, Resulting Numbers: [27] 27,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 42:[52, 79], Operations: ['69-17=52', '71+8=79'] Exploring Operation: 52+79=131, Resulting Numbers: [131] 131,42 unequal: No Solution Exploring Operation: 79-52=27, Resulting Numbers: [27] 27,42 unequal: No Solution Exploring Operation: 52*79=4108, Resulting Numbers: [4108] 4108,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 42:[71, 60], Operations: ['69-17=52', '8+52=60'] Exploring Operation: 71+60=131, Resulting Numbers: [131] 131,42 unequal: No Solution Exploring Operation: 71-60=11, Resulting Numbers: [11] 11,42 unequal: No Solution Exploring Operation: 71*60=4260, Resulting Numbers: [4260] 4260,42 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: 42:[69, 8, 54], Operations: ['71-17=54'] Exploring Operation: 69+8=77, Resulting Numbers: [54, 77] Generated Node #0,0,0: 42:[54, 77] Operation: 69+8=77 Exploring Operation: 8+54=62, Resulting Numbers: [69, 62] Generated Node #0,0,1: 42:[69, 62] Operation: 8+54=62 Exploring Operation: 54-8=46, Resulting Numbers: [69, 46] Generated Node #0,0,2: 42:[69, 46] Operation: 54-8=46 Exploring Operation: 69-8=61, Resulting Numbers: [54, 61] Generated Node #0,0,3: 42:[54, 61] Operation: 69-8=61 Exploring Operation: 69-54=15, Resulting Numbers: [8, 15] Generated Node #0,0,4: 42:[8, 15] Operation: 69-54=15 Moving to Node #0,3 Current State: 42:[17, 69, 63], Operations: ['71-8=63'] Exploring Operation: 63-17=46, Resulting Numbers: [69, 46] Generated Node #0,3,0: 42:[69, 46] Operation: 63-17=46 Exploring Operation: 69-63=6, Resulting Numbers: [17, 6] Generated Node #0,3,1: 42:[17, 6] Operation: 69-63=6 Exploring Operation: 17+63=80, Resulting Numbers: [69, 80] Generated Node #0,3,2: 42:[69, 80] Operation: 17+63=80 Exploring Operation: 69-17=52, Resulting Numbers: [63, 52] Generated Node #0,3,3: 42:[63, 52] Operation: 69-17=52 Exploring Operation: 17+69=86, Resulting Numbers: [63, 86] Generated Node #0,3,4: 42:[63, 86] Operation: 17+69=86 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 42:[17, 6], Operations: ['71-8=63', '69-63=6'] Exploring Operation: 17*6=102, Resulting Numbers: [102] 102,42 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,42 unequal: No Solution Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 42:[69, 46], Operations: ['71-8=63', '63-17=46'] Exploring Operation: 69-46=23, Resulting Numbers: [23] 23,42 unequal: No Solution Exploring Operation: 69+46=115, Resulting Numbers: [115] 115,42 unequal: No Solution Exploring Operation: 69*46=3174, Resulting Numbers: [3174] 3174,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 42:[63, 52], Operations: ['71-8=63', '69-17=52'] Exploring Operation: 63*52=3276, Resulting Numbers: [3276] 3276,42 unequal: No Solution Exploring Operation: 63+52=115, Resulting Numbers: [115] 115,42 unequal: No Solution Exploring Operation: 63-52=11, Resulting Numbers: [11] 11,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 42:[69, 80], Operations: ['71-8=63', '17+63=80'] Exploring Operation: 80-69=11, Resulting Numbers: [11] 11,42 unequal: No Solution Exploring Operation: 69+80=149, Resulting Numbers: [149] 149,42 unequal: No Solution Exploring Operation: 69*80=5520, Resulting Numbers: [5520] 5520,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 42:[63, 86], Operations: ['71-8=63', '17+69=86'] Exploring Operation: 86-63=23, Resulting Numbers: [23] 23,42 unequal: No Solution Exploring Operation: 63*86=5418, Resulting Numbers: [5418] 5418,42 unequal: No Solution Exploring Operation: 63+86=149, Resulting Numbers: [149] 149,42 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: 42:[17, 71, 61], Operations: ['69-8=61'] Exploring Operation: 61-17=44, Resulting Numbers: [71, 44] Generated Node #0,4,0: 42:[71, 44] Operation: 61-17=44 Exploring Operation: 71-61=10, Resulting Numbers: [17, 10] Generated Node #0,4,1: 42:[17, 10] Operation: 71-61=10 Exploring Operation: 17+61=78, Resulting Numbers: [71, 78] Generated Node #0,4,2: 42:[71, 78] Operation: 17+61=78 Exploring Operation: 17+71=88, Resulting Numbers: [61, 88] Generated Node #0,4,3: 42:[61, 88] Operation: 17+71=88 Exploring Operation: 71-17=54, Resulting Numbers: [61, 54] Generated Node #0,4,4: 42:[61, 54] Operation: 71-17=54 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 42:[17, 10], Operations: ['69-8=61', '71-61=10'] Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,42 unequal: No Solution Exploring Operation: 17+10=27, Resulting Numbers: [27] 27,42 unequal: No Solution Exploring Operation: 17*10=170, Resulting Numbers: [170] 170,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 42:[71, 44], Operations: ['69-8=61', '61-17=44'] Exploring Operation: 71-44=27, Resulting Numbers: [27] 27,42 unequal: No Solution Exploring Operation: 71*44=3124, Resulting Numbers: [3124] 3124,42 unequal: No Solution Exploring Operation: 71+44=115, Resulting Numbers: [115] 115,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 42:[61, 54], Operations: ['69-8=61', '71-17=54'] Exploring Operation: 61*54=3294, Resulting Numbers: [3294] 3294,42 unequal: No Solution Exploring Operation: 61+54=115, Resulting Numbers: [115] 115,42 unequal: No Solution Exploring Operation: 61-54=7, Resulting Numbers: [7] 7,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 42:[71, 78], Operations: ['69-8=61', '17+61=78'] Exploring Operation: 78-71=7, Resulting Numbers: [7] 7,42 unequal: No Solution Exploring Operation: 71+78=149, Resulting Numbers: [149] 149,42 unequal: No Solution Exploring Operation: 71*78=5538, Resulting Numbers: [5538] 5538,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 42:[61, 88], Operations: ['69-8=61', '17+71=88'] Exploring Operation: 88-61=27, Resulting Numbers: [27] 27,42 unequal: No Solution Exploring Operation: 61*88=5368, Resulting Numbers: [5368] 5368,42 unequal: No Solution Exploring Operation: 61+88=149, Resulting Numbers: [149] 149,42 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: 42:[2, 9], Operations: ['71-69=2', '17-8=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,42 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,42 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,42 unequal: No Solution Moving to Node #0,0,4 Current State: 42:[8, 15], Operations: ['71-17=54', '69-54=15'] Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,42 unequal: No Solution Exploring Operation: 8*15=120, Resulting Numbers: [120] 120,42 unequal: No Solution Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,42 unequal: No Solution Moving to Node #0,1,4 Current State: 42:[8, 15], Operations: ['71-69=2', '17-2=15'] Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,42 unequal: No Solution Exploring Operation: 8*15=120, Resulting Numbers: [120] 120,42 unequal: No Solution Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[8, 19], Operations: ['71-69=2', '17+2=19'] Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,42 unequal: No Solution Exploring Operation: 8*19=152, Resulting Numbers: [152] 152,42 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,42 unequal: No Solution Moving to Node #0,1,3 Current State: 42:[17, 6], Operations: ['71-69=2', '8-2=6'] Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,42 unequal: No Solution Exploring Operation: 17*6=102, Resulting Numbers: [102] 102,42 unequal: No Solution Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,42 unequal: No Solution Moving to Node #0,1,2 Current State: 42:[2, 25], Operations: ['71-69=2', '17+8=25'] Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,42 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,42 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,42 unequal: No Solution Moving to Node #0,0,2 Current State: 42:[69, 46], Operations: ['71-17=54', '54-8=46'] Exploring Operation: 69+46=115, Resulting Numbers: [115] 115,42 unequal: No Solution Exploring Operation: 69*46=3174, Resulting Numbers: [3174] 3174,42 unequal: No Solution Exploring Operation: 69-46=23, Resulting Numbers: [23] 23,42 unequal: No Solution Moving to Node #0,0,3 Current State: 42:[54, 61], Operations: ['71-17=54', '69-8=61'] Exploring Operation: 54+61=115, Resulting Numbers: [115] 115,42 unequal: No Solution Exploring Operation: 54*61=3294, Resulting Numbers: [3294] 3294,42 unequal: No Solution Exploring Operation: 61-54=7, Resulting Numbers: [7] 7,42 unequal: No Solution Moving to Node #0,0,1 Current State: 42:[69, 62], Operations: ['71-17=54', '8+54=62'] Exploring Operation: 69-62=7, Resulting Numbers: [7] 7,42 unequal: No Solution Exploring Operation: 69+62=131, Resulting Numbers: [131] 131,42 unequal: No Solution Exploring Operation: 69*62=4278, Resulting Numbers: [4278] 4278,42 unequal: No Solution Moving to Node #0,0,0 Current State: 42:[54, 77], Operations: ['71-17=54', '69+8=77'] Exploring Operation: 77-54=23, Resulting Numbers: [23] 23,42 unequal: No Solution Exploring Operation: 54*77=4158, Resulting Numbers: [4158] 4158,42 unequal: No Solution Exploring Operation: 54+77=131, Resulting Numbers: [131] 131,42 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 13, 50, 4, 88 ]
59
[ "50-13=37", "88/4=22", "37+22=59" ]
Current State: 59:[13, 50, 4, 88], Operations: [] Exploring Operation: 50-13=37, Resulting Numbers: [4, 88, 37] Generated Node #2: [4, 88, 37] from Operation: 50-13=37 Current State: 59:[4, 88, 37], Operations: ['50-13=37'] Exploring Operation: 88/4=22, Resulting Numbers: [37, 22] Generated Node #3: [37, 22] from Operation: 88/4=22 Current State: 59:[37, 22], Operations: ['50-13=37', '88/4=22'] Exploring Operation: 37+22=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[13, 50, 4, 88], Operations: [] Exploring Operation: 13*4=52, Resulting Numbers: [50, 88, 52] Generated Node #0,0: 59:[50, 88, 52] Operation: 13*4=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[50, 88, 52], Operations: ['13*4=52'] Exploring Operation: 88-50=38, Resulting Numbers: [52, 38] Generated Node #0,0,0: 59:[52, 38] Operation: 88-50=38 Moving to Node #0,0,0 Current State: 59:[52, 38], Operations: ['13*4=52', '88-50=38'] Exploring Operation: 52+38=90, Resulting Numbers: [90] 90,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 14, 87, 77, 48 ]
24
[ "14+87=101", "77+48=125", "125-101=24" ]
Current State: 24:[14, 87, 77, 48], Operations: [] Exploring Operation: 14+87=101, Resulting Numbers: [77, 48, 101] Generated Node #2: [77, 48, 101] from Operation: 14+87=101 Current State: 24:[77, 48, 101], Operations: ['14+87=101'] Exploring Operation: 77+48=125, Resulting Numbers: [101, 125] Generated Node #3: [101, 125] from Operation: 77+48=125 Current State: 24:[101, 125], Operations: ['14+87=101', '77+48=125'] Exploring Operation: 125-101=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[14, 87, 77, 48], Operations: [] Exploring Operation: 87-77=10, Resulting Numbers: [14, 48, 10] Generated Node #0,0: 24:[14, 48, 10] Operation: 87-77=10 Exploring Operation: 87-48=39, Resulting Numbers: [14, 77, 39] Generated Node #0,1: 24:[14, 77, 39] Operation: 87-48=39 Moving to Node #0,0 Current State: 24:[14, 48, 10], Operations: ['87-77=10'] Exploring Operation: 48-10=38, Resulting Numbers: [14, 38] Generated Node #0,0,0: 24:[14, 38] Operation: 48-10=38 Exploring Operation: 48-14=34, Resulting Numbers: [10, 34] Generated Node #0,0,1: 24:[10, 34] Operation: 48-14=34 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[10, 34], Operations: ['87-77=10', '48-14=34'] Exploring Operation: 10+34=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 34-10=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[14, 87, 77, 48], Operations: [] Exploring Operation: 87-77=10, Resulting Numbers: [14, 48, 10] Generated Node #0,0: 24:[14, 48, 10] Operation: 87-77=10 Moving to Node #0,0 Current State: 24:[14, 48, 10], Operations: ['87-77=10'] Exploring Operation: 48-14=34, Resulting Numbers: [10, 34] Generated Node #0,0,1: 24:[10, 34] Operation: 48-14=34 Moving to Node #0,0,1 Current State: 24:[10, 34], Operations: ['87-77=10', '48-14=34'] Exploring Operation: 34-10=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 82, 42, 76, 84 ]
35
[ "82*42=3444", "3444/84=41", "76-41=35" ]
Current State: 35:[82, 42, 76, 84], Operations: [] Exploring Operation: 82*42=3444, Resulting Numbers: [76, 84, 3444] Generated Node #2: [76, 84, 3444] from Operation: 82*42=3444 Current State: 35:[76, 84, 3444], Operations: ['82*42=3444'] Exploring Operation: 3444/84=41, Resulting Numbers: [76, 41] Generated Node #3: [76, 41] from Operation: 3444/84=41 Current State: 35:[76, 41], Operations: ['82*42=3444', '3444/84=41'] Exploring Operation: 76-41=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[82, 42, 76, 84], Operations: [] Exploring Operation: 84-76=8, Resulting Numbers: [82, 42, 8] Generated Node #0,0: 35:[82, 42, 8] Operation: 84-76=8 Exploring Operation: 84-82=2, Resulting Numbers: [42, 76, 2] Generated Node #0,1: 35:[42, 76, 2] Operation: 84-82=2 Exploring Operation: 82-76=6, Resulting Numbers: [42, 84, 6] Generated Node #0,2: 35:[42, 84, 6] Operation: 82-76=6 Moving to Node #0,1 Current State: 35:[42, 76, 2], Operations: ['84-82=2'] Exploring Operation: 76-42=34, Resulting Numbers: [2, 34] Generated Node #0,1,0: 35:[2, 34] Operation: 76-42=34 Exploring Operation: 42-2=40, Resulting Numbers: [76, 40] Generated Node #0,1,1: 35:[76, 40] Operation: 42-2=40 Exploring Operation: 76/2=38, Resulting Numbers: [42, 38] Generated Node #0,1,2: 35:[42, 38] Operation: 76/2=38 Moving to Node #0,0 Current State: 35:[82, 42, 8], Operations: ['84-76=8'] Exploring Operation: 82-42=40, Resulting Numbers: [8, 40] Generated Node #0,0,0: 35:[8, 40] Operation: 82-42=40 Exploring Operation: 82-8=74, Resulting Numbers: [42, 74] Generated Node #0,0,1: 35:[42, 74] Operation: 82-8=74 Exploring Operation: 42-8=34, Resulting Numbers: [82, 34] Generated Node #0,0,2: 35:[82, 34] Operation: 42-8=34 Moving to Node #0,2 Current State: 35:[42, 84, 6], Operations: ['82-76=6'] Exploring Operation: 84/6=14, Resulting Numbers: [42, 14] Generated Node #0,2,0: 35:[42, 14] Operation: 84/6=14 Exploring Operation: 84/42=2, Resulting Numbers: [6, 2] Generated Node #0,2,1: 35:[6, 2] Operation: 84/42=2 Exploring Operation: 84-42=42, Resulting Numbers: [6, 42] Generated Node #0,2,2: 35:[6, 42] Operation: 84-42=42 Moving to Node #0,1,0 Current State: 35:[2, 34], Operations: ['84-82=2', '76-42=34'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,35 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,35 unequal: No Solution Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,35 unequal: No Solution Moving to Node #0,2,1 Current State: 35:[6, 2], Operations: ['82-76=6', '84/42=2'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,35 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,35 unequal: No Solution Moving to Node #0,0,0 Current State: 35:[8, 40], Operations: ['84-76=8', '82-42=40'] Exploring Operation: 8+40=48, Resulting Numbers: [48] 48,35 unequal: No Solution Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,35 unequal: No Solution Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,35 unequal: No Solution Moving to Node #0,2,2 Current State: 35:[6, 42], Operations: ['82-76=6', '84-42=42'] Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,35 unequal: No Solution Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,35 unequal: No Solution Moving to Node #0,1,2 Current State: 35:[42, 38], Operations: ['84-82=2', '76/2=38'] Exploring Operation: 42+38=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,35 unequal: No Solution Exploring Operation: 42*38=1596, Resulting Numbers: [1596] 1596,35 unequal: No Solution Moving to Node #0,2,0 Current State: 35:[42, 14], Operations: ['82-76=6', '84/6=14'] Exploring Operation: 42-14=28, Resulting Numbers: [28] 28,35 unequal: No Solution Exploring Operation: 42+14=56, Resulting Numbers: [56] 56,35 unequal: No Solution Exploring Operation: 42/14=3, Resulting Numbers: [3] 3,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[42, 74], Operations: ['84-76=8', '82-8=74'] Exploring Operation: 74-42=32, Resulting Numbers: [32] 32,35 unequal: No Solution Exploring Operation: 42*74=3108, Resulting Numbers: [3108] 3108,35 unequal: No Solution Exploring Operation: 42+74=116, Resulting Numbers: [116] 116,35 unequal: No Solution Moving to Node #0,1,1 Current State: 35:[76, 40], Operations: ['84-82=2', '42-2=40'] Exploring Operation: 76-40=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 76+40=116, Resulting Numbers: [116] 116,35 unequal: No Solution Exploring Operation: 76*40=3040, Resulting Numbers: [3040] 3040,35 unequal: No Solution Moving to Node #0,0,2 Current State: 35:[82, 34], Operations: ['84-76=8', '42-8=34'] Exploring Operation: 82-34=48, Resulting Numbers: [48] 48,35 unequal: No Solution Exploring Operation: 82+34=116, Resulting Numbers: [116] 116,35 unequal: No Solution Exploring Operation: 82*34=2788, Resulting Numbers: [2788] 2788,35 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 42, 3, 43, 2 ]
86
[ "42+3=45", "43-2=41", "45+41=86" ]
Current State: 86:[42, 3, 43, 2], Operations: [] Exploring Operation: 42+3=45, Resulting Numbers: [43, 2, 45] Generated Node #2: [43, 2, 45] from Operation: 42+3=45 Current State: 86:[43, 2, 45], Operations: ['42+3=45'] Exploring Operation: 43-2=41, Resulting Numbers: [45, 41] Generated Node #3: [45, 41] from Operation: 43-2=41 Current State: 86:[45, 41], Operations: ['42+3=45', '43-2=41'] Exploring Operation: 45+41=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[42, 3, 43, 2], Operations: [] Exploring Operation: 43-42=1, Resulting Numbers: [3, 2, 1] Generated Node #0,0: 86:[3, 2, 1] Operation: 43-42=1 Exploring Operation: 42+2=44, Resulting Numbers: [3, 43, 44] Generated Node #0,1: 86:[3, 43, 44] Operation: 42+2=44 Exploring Operation: 3-2=1, Resulting Numbers: [42, 43, 1] Generated Node #0,2: 86:[42, 43, 1] Operation: 3-2=1 Exploring Operation: 42+43=85, Resulting Numbers: [3, 2, 85] Generated Node #0,3: 86:[3, 2, 85] Operation: 42+43=85 Exploring Operation: 42+3=45, Resulting Numbers: [43, 2, 45] Generated Node #0,4: 86:[43, 2, 45] Operation: 42+3=45 Moving to Node #0,0 Current State: 86:[3, 2, 1], Operations: ['43-42=1'] Exploring Operation: 3/1=3, Resulting Numbers: [2, 3] Generated Node #0,0,0: 86:[2, 3] Operation: 3/1=3 Exploring Operation: 2/1=2, Resulting Numbers: [3, 2] Generated Node #0,0,1: 86:[3, 2] Operation: 2/1=2 Exploring Operation: 3-1=2, Resulting Numbers: [2, 2] Generated Node #0,0,2: 86:[2, 2] Operation: 3-1=2 Exploring Operation: 2*1=2, Resulting Numbers: [3, 2] Generated Node #0,0,3: 86:[3, 2] Operation: 2*1=2 Exploring Operation: 3*1=3, Resulting Numbers: [2, 3] Generated Node #0,0,4: 86:[2, 3] Operation: 3*1=3 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 86:[2, 2], Operations: ['43-42=1', '3-1=2'] Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,86 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,86 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,86 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,86 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 #0,0,0 Current State: 86:[2, 3], Operations: ['43-42=1', '3/1=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,86 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 #0,0,1 Current State: 86:[3, 2], Operations: ['43-42=1', '2/1=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,86 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 #0,0,3 Current State: 86:[3, 2], Operations: ['43-42=1', '2*1=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,86 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 #0,0,4 Current State: 86:[2, 3], Operations: ['43-42=1', '3*1=3'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,86 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: 86:[42, 43, 1], Operations: ['3-2=1'] Exploring Operation: 42+1=43, Resulting Numbers: [43, 43] Generated Node #0,2,0: 86:[43, 43] Operation: 42+1=43 Exploring Operation: 42*1=42, Resulting Numbers: [43, 42] Generated Node #0,2,1: 86:[43, 42] Operation: 42*1=42 Exploring Operation: 43/1=43, Resulting Numbers: [42, 43] Generated Node #0,2,2: 86:[42, 43] Operation: 43/1=43 Exploring Operation: 43*1=43, Resulting Numbers: [42, 43] Generated Node #0,2,3: 86:[42, 43] Operation: 43*1=43 Exploring Operation: 42/1=42, Resulting Numbers: [43, 42] Generated Node #0,2,4: 86:[43, 42] Operation: 42/1=42 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 86:[43, 43], Operations: ['3-2=1', '42+1=43'] Exploring Operation: 43*43=1849, Resulting Numbers: [1849] 1849,86 unequal: No Solution Exploring Operation: 43+43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[42, 3, 43, 2], Operations: [] Exploring Operation: 3-2=1, Resulting Numbers: [42, 43, 1] Generated Node #0,2: 86:[42, 43, 1] Operation: 3-2=1 Moving to Node #0,2 Current State: 86:[42, 43, 1], Operations: ['3-2=1'] Exploring Operation: 42+1=43, Resulting Numbers: [43, 43] Generated Node #0,2,0: 86:[43, 43] Operation: 42+1=43 Moving to Node #0,2,0 Current State: 86:[43, 43], Operations: ['3-2=1', '42+1=43'] Exploring Operation: 43+43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 11, 80, 30, 2 ]
24
[ "11-2=9", "80*9=720", "720/30=24" ]
Current State: 24:[11, 80, 30, 2], Operations: [] Exploring Operation: 11-2=9, Resulting Numbers: [80, 30, 9] Generated Node #2: [80, 30, 9] from Operation: 11-2=9 Current State: 24:[80, 30, 9], Operations: ['11-2=9'] Exploring Operation: 80*9=720, Resulting Numbers: [30, 720] Generated Node #3: [30, 720] from Operation: 80*9=720 Current State: 24:[30, 720], Operations: ['11-2=9', '80*9=720'] Exploring Operation: 720/30=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[11, 80, 30, 2], Operations: [] Exploring Operation: 80/2=40, Resulting Numbers: [11, 30, 40] Generated Node #0,0: 24:[11, 30, 40] Operation: 80/2=40 Exploring Operation: 80-30=50, Resulting Numbers: [11, 2, 50] Generated Node #0,1: 24:[11, 2, 50] Operation: 80-30=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[11, 30, 40], Operations: ['80/2=40'] Exploring Operation: 40-30=10, Resulting Numbers: [11, 10] Generated Node #0,0,0: 24:[11, 10] Operation: 40-30=10 Exploring Operation: 40-11=29, Resulting Numbers: [30, 29] Generated Node #0,0,1: 24:[30, 29] Operation: 40-11=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[11, 10], Operations: ['80/2=40', '40-30=10'] Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,24 unequal: No Solution No 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: 24:[30, 29], Operations: ['80/2=40', '40-11=29'] Exploring Operation: 30+29=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,24 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: 24:[11, 2, 50], Operations: ['80-30=50'] Exploring Operation: 50-11=39, Resulting Numbers: [2, 39] Generated Node #0,1,0: 24:[2, 39] Operation: 50-11=39 Exploring Operation: 50/2=25, Resulting Numbers: [11, 25] Generated Node #0,1,1: 24:[11, 25] Operation: 50/2=25 Moving to Node #0,1,1 Current State: 24:[11, 25], Operations: ['80-30=50', '50/2=25'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,24 unequal: No Solution Exploring Operation: 11+25=36, Resulting Numbers: [36] 36,24 unequal: No Solution Moving to Node #0,1,0 Current State: 24:[2, 39], Operations: ['80-30=50', '50-11=39'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,24 unequal: No Solution Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,24 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
[ 71, 2, 81, 18 ]
16
[ "81-71=10", "18-10=8", "2*8=16" ]
Current State: 16:[71, 2, 81, 18], Operations: [] Exploring Operation: 81-71=10, Resulting Numbers: [2, 18, 10] Generated Node #2: [2, 18, 10] from Operation: 81-71=10 Current State: 16:[2, 18, 10], Operations: ['81-71=10'] Exploring Operation: 18-10=8, Resulting Numbers: [2, 8] Generated Node #3: [2, 8] from Operation: 18-10=8 Current State: 16:[2, 8], Operations: ['81-71=10', '18-10=8'] Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[71, 2, 81, 18], Operations: [] Exploring Operation: 81-18=63, Resulting Numbers: [71, 2, 63] Generated Node #0,0: 16:[71, 2, 63] Operation: 81-18=63 Exploring Operation: 71-2=69, Resulting Numbers: [81, 18, 69] Generated Node #0,1: 16:[81, 18, 69] Operation: 71-2=69 Exploring Operation: 81-2=79, Resulting Numbers: [71, 18, 79] Generated Node #0,2: 16:[71, 18, 79] Operation: 81-2=79 Exploring Operation: 71-18=53, Resulting Numbers: [2, 81, 53] Generated Node #0,3: 16:[2, 81, 53] Operation: 71-18=53 Exploring Operation: 81-71=10, Resulting Numbers: [2, 18, 10] Generated Node #0,4: 16:[2, 18, 10] Operation: 81-71=10 Start Sub Search at level 1: Moving to Node #0,4 Current State: 16:[2, 18, 10], Operations: ['81-71=10'] Exploring Operation: 10-2=8, Resulting Numbers: [18, 8] Generated Node #0,4,0: 16:[18, 8] Operation: 10-2=8 Exploring Operation: 18-2=16, Resulting Numbers: [10, 16] Generated Node #0,4,1: 16:[10, 16] Operation: 18-2=16 Exploring Operation: 18/2=9, Resulting Numbers: [10, 9] Generated Node #0,4,2: 16:[10, 9] Operation: 18/2=9 Exploring Operation: 10/2=5, Resulting Numbers: [18, 5] Generated Node #0,4,3: 16:[18, 5] Operation: 10/2=5 Exploring Operation: 18-10=8, Resulting Numbers: [2, 8] Generated Node #0,4,4: 16:[2, 8] Operation: 18-10=8 Moving to Node #0,4,4 Current State: 16:[2, 8], Operations: ['81-71=10', '18-10=8'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[71, 2, 81, 18], Operations: [] Exploring Operation: 81-71=10, Resulting Numbers: [2, 18, 10] Generated Node #0,4: 16:[2, 18, 10] Operation: 81-71=10 Moving to Node #0,4 Current State: 16:[2, 18, 10], Operations: ['81-71=10'] Exploring Operation: 18-10=8, Resulting Numbers: [2, 8] Generated Node #0,4,4: 16:[2, 8] Operation: 18-10=8 Moving to Node #0,4,4 Current State: 16:[2, 8], Operations: ['81-71=10', '18-10=8'] Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 1, 97, 81, 14 ]
31
[ "1+97=98", "81-14=67", "98-67=31" ]
Current State: 31:[1, 97, 81, 14], Operations: [] Exploring Operation: 1+97=98, Resulting Numbers: [81, 14, 98] Generated Node #2: [81, 14, 98] from Operation: 1+97=98 Current State: 31:[81, 14, 98], Operations: ['1+97=98'] Exploring Operation: 81-14=67, Resulting Numbers: [98, 67] Generated Node #3: [98, 67] from Operation: 81-14=67 Current State: 31:[98, 67], Operations: ['1+97=98', '81-14=67'] Exploring Operation: 98-67=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[1, 97, 81, 14], Operations: [] Exploring Operation: 97-81=16, Resulting Numbers: [1, 14, 16] Generated Node #0,0: 31:[1, 14, 16] Operation: 97-81=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[1, 14, 16], Operations: ['97-81=16'] Exploring Operation: 1+14=15, Resulting Numbers: [16, 15] Generated Node #0,0,0: 31:[16, 15] Operation: 1+14=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[16, 15], Operations: ['97-81=16', '1+14=15'] Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[1, 97, 81, 14], Operations: [] Exploring Operation: 97-81=16, Resulting Numbers: [1, 14, 16] Generated Node #0,0: 31:[1, 14, 16] Operation: 97-81=16 Moving to Node #0,0 Current State: 31:[1, 14, 16], Operations: ['97-81=16'] Exploring Operation: 1+14=15, Resulting Numbers: [16, 15] Generated Node #0,0,0: 31:[16, 15] Operation: 1+14=15 Moving to Node #0,0,0 Current State: 31:[16, 15], Operations: ['97-81=16', '1+14=15'] Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 1, 56, 20, 47 ]
29
[ "1*56=56", "47-20=27", "56-27=29" ]
Current State: 29:[1, 56, 20, 47], Operations: [] Exploring Operation: 1*56=56, Resulting Numbers: [20, 47, 56] Generated Node #2: [20, 47, 56] from Operation: 1*56=56 Current State: 29:[20, 47, 56], Operations: ['1*56=56'] Exploring Operation: 47-20=27, Resulting Numbers: [56, 27] Generated Node #3: [56, 27] from Operation: 47-20=27 Current State: 29:[56, 27], Operations: ['1*56=56', '47-20=27'] Exploring Operation: 56-27=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[1, 56, 20, 47], Operations: [] Exploring Operation: 56-1=55, Resulting Numbers: [20, 47, 55] Generated Node #0,0: 29:[20, 47, 55] Operation: 56-1=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[20, 47, 55], Operations: ['56-1=55'] Exploring Operation: 55-20=35, Resulting Numbers: [47, 35] Generated Node #0,0,0: 29:[47, 35] Operation: 55-20=35 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[47, 35], Operations: ['56-1=55', '55-20=35'] Exploring Operation: 47-35=12, Resulting Numbers: [12] 12,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 47, 16, 7, 99 ]
75
[ "47-16=31", "7+99=106", "106-31=75" ]
Current State: 75:[47, 16, 7, 99], Operations: [] Exploring Operation: 47-16=31, Resulting Numbers: [7, 99, 31] Generated Node #2: [7, 99, 31] from Operation: 47-16=31 Current State: 75:[7, 99, 31], Operations: ['47-16=31'] Exploring Operation: 7+99=106, Resulting Numbers: [31, 106] Generated Node #3: [31, 106] from Operation: 7+99=106 Current State: 75:[31, 106], Operations: ['47-16=31', '7+99=106'] Exploring Operation: 106-31=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[47, 16, 7, 99], Operations: [] Exploring Operation: 47-16=31, Resulting Numbers: [7, 99, 31] Generated Node #0,0: 75:[7, 99, 31] Operation: 47-16=31 Exploring Operation: 99-16=83, Resulting Numbers: [47, 7, 83] Generated Node #0,1: 75:[47, 7, 83] Operation: 99-16=83 Exploring Operation: 99-47=52, Resulting Numbers: [16, 7, 52] Generated Node #0,2: 75:[16, 7, 52] Operation: 99-47=52 Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[16, 7, 52], Operations: ['99-47=52'] Exploring Operation: 52-16=36, Resulting Numbers: [7, 36] Generated Node #0,2,0: 75:[7, 36] Operation: 52-16=36 Exploring Operation: 7+52=59, Resulting Numbers: [16, 59] Generated Node #0,2,1: 75:[16, 59] Operation: 7+52=59 Exploring Operation: 16+52=68, Resulting Numbers: [7, 68] Generated Node #0,2,2: 75:[7, 68] Operation: 16+52=68 Moving to Node #0,2,2 Current State: 75:[7, 68], Operations: ['99-47=52', '16+52=68'] Exploring Operation: 7+68=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[47, 16, 7, 99], Operations: [] Exploring Operation: 99-47=52, Resulting Numbers: [16, 7, 52] Generated Node #0,2: 75:[16, 7, 52] Operation: 99-47=52 Moving to Node #0,2 Current State: 75:[16, 7, 52], Operations: ['99-47=52'] Exploring Operation: 16+52=68, Resulting Numbers: [7, 68] Generated Node #0,2,2: 75:[7, 68] Operation: 16+52=68 Moving to Node #0,2,2 Current State: 75:[7, 68], Operations: ['99-47=52', '16+52=68'] Exploring Operation: 7+68=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 64, 19, 36, 90 ]
34
[ "64-19=45", "90/45=2", "36-2=34" ]
Current State: 34:[64, 19, 36, 90], Operations: [] Exploring Operation: 64-19=45, Resulting Numbers: [36, 90, 45] Generated Node #2: [36, 90, 45] from Operation: 64-19=45 Current State: 34:[36, 90, 45], Operations: ['64-19=45'] Exploring Operation: 90/45=2, Resulting Numbers: [36, 2] Generated Node #3: [36, 2] from Operation: 90/45=2 Current State: 34:[36, 2], Operations: ['64-19=45', '90/45=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[64, 19, 36, 90], Operations: [] Exploring Operation: 90-64=26, Resulting Numbers: [19, 36, 26] Generated Node #0,0: 34:[19, 36, 26] Operation: 90-64=26 Moving to Node #0,0 Current State: 34:[19, 36, 26], Operations: ['90-64=26'] Exploring Operation: 26-19=7, Resulting Numbers: [36, 7] Generated Node #0,0,0: 34:[36, 7] Operation: 26-19=7 Moving to Node #0,0,0 Current State: 34:[36, 7], Operations: ['90-64=26', '26-19=7'] Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,34 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 13, 10, 95, 93 ]
65
[ "13*10=130", "95-93=2", "130/2=65" ]
Current State: 65:[13, 10, 95, 93], Operations: [] Exploring Operation: 13*10=130, Resulting Numbers: [95, 93, 130] Generated Node #2: [95, 93, 130] from Operation: 13*10=130 Current State: 65:[95, 93, 130], Operations: ['13*10=130'] Exploring Operation: 95-93=2, Resulting Numbers: [130, 2] Generated Node #3: [130, 2] from Operation: 95-93=2 Current State: 65:[130, 2], Operations: ['13*10=130', '95-93=2'] Exploring Operation: 130/2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[13, 10, 95, 93], Operations: [] Exploring Operation: 93-10=83, Resulting Numbers: [13, 95, 83] Generated Node #0,0: 65:[13, 95, 83] Operation: 93-10=83 Exploring Operation: 93-13=80, Resulting Numbers: [10, 95, 80] Generated Node #0,1: 65:[10, 95, 80] Operation: 93-13=80 Exploring Operation: 95-13=82, Resulting Numbers: [10, 93, 82] Generated Node #0,2: 65:[10, 93, 82] Operation: 95-13=82 Exploring Operation: 95-10=85, Resulting Numbers: [13, 93, 85] Generated Node #0,3: 65:[13, 93, 85] Operation: 95-10=85 Exploring Operation: 95-93=2, Resulting Numbers: [13, 10, 2] Generated Node #0,4: 65:[13, 10, 2] Operation: 95-93=2 Moving to Node #0,4 Current State: 65:[13, 10, 2], Operations: ['95-93=2'] Exploring Operation: 10+2=12, Resulting Numbers: [13, 12] Generated Node #0,4,0: 65:[13, 12] Operation: 10+2=12 Exploring Operation: 10/2=5, Resulting Numbers: [13, 5] Generated Node #0,4,1: 65:[13, 5] Operation: 10/2=5 Exploring Operation: 13-10=3, Resulting Numbers: [2, 3] Generated Node #0,4,2: 65:[2, 3] Operation: 13-10=3 Exploring Operation: 10-2=8, Resulting Numbers: [13, 8] Generated Node #0,4,3: 65:[13, 8] Operation: 10-2=8 Exploring Operation: 13+2=15, Resulting Numbers: [10, 15] Generated Node #0,4,4: 65:[10, 15] Operation: 13+2=15 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 65:[13, 5], Operations: ['95-93=2', '10/2=5'] Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,65 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[13, 10, 95, 93], Operations: [] Exploring Operation: 95-93=2, Resulting Numbers: [13, 10, 2] Generated Node #0,4: 65:[13, 10, 2] Operation: 95-93=2 Moving to Node #0,4 Current State: 65:[13, 10, 2], Operations: ['95-93=2'] Exploring Operation: 10/2=5, Resulting Numbers: [13, 5] Generated Node #0,4,1: 65:[13, 5] Operation: 10/2=5 Moving to Node #0,4,1 Current State: 65:[13, 5], Operations: ['95-93=2', '10/2=5'] Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 42, 18, 5, 9 ]
93
[ "18+9=27", "5*27=135", "135-42=93" ]
Current State: 93:[42, 18, 5, 9], Operations: [] Exploring Operation: 18+9=27, Resulting Numbers: [42, 5, 27] Generated Node #2: [42, 5, 27] from Operation: 18+9=27 Current State: 93:[42, 5, 27], Operations: ['18+9=27'] Exploring Operation: 5*27=135, Resulting Numbers: [42, 135] Generated Node #3: [42, 135] from Operation: 5*27=135 Current State: 93:[42, 135], Operations: ['18+9=27', '5*27=135'] Exploring Operation: 135-42=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[42, 18, 5, 9], Operations: [] Exploring Operation: 42-9=33, Resulting Numbers: [18, 5, 33] Generated Node #0,0: 93:[18, 5, 33] Operation: 42-9=33 Exploring Operation: 18/9=2, Resulting Numbers: [42, 5, 2] Generated Node #0,1: 93:[42, 5, 2] Operation: 18/9=2 Exploring Operation: 42-18=24, Resulting Numbers: [5, 9, 24] Generated Node #0,2: 93:[5, 9, 24] Operation: 42-18=24 Exploring Operation: 18+9=27, Resulting Numbers: [42, 5, 27] Generated Node #0,3: 93:[42, 5, 27] Operation: 18+9=27 Moving to Node #0,1 Current State: 93:[42, 5, 2], Operations: ['18/9=2'] Exploring Operation: 42*2=84, Resulting Numbers: [5, 84] Generated Node #0,1,0: 93:[5, 84] Operation: 42*2=84 Exploring Operation: 42-5=37, Resulting Numbers: [2, 37] Generated Node #0,1,1: 93:[2, 37] Operation: 42-5=37 Exploring Operation: 42-2=40, Resulting Numbers: [5, 40] Generated Node #0,1,2: 93:[5, 40] Operation: 42-2=40 Exploring Operation: 5-2=3, Resulting Numbers: [42, 3] Generated Node #0,1,3: 93:[42, 3] Operation: 5-2=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[2, 37], Operations: ['18/9=2', '42-5=37'] Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,93 unequal: No Solution Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,93 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[5, 84], Operations: ['18/9=2', '42*2=84'] Exploring Operation: 5+84=89, Resulting Numbers: [89] 89,93 unequal: No Solution Exploring Operation: 5*84=420, Resulting Numbers: [420] 420,93 unequal: No Solution Exploring Operation: 84-5=79, Resulting Numbers: [79] 79,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 93:[5, 40], Operations: ['18/9=2', '42-2=40'] Exploring Operation: 5*40=200, Resulting Numbers: [200] 200,93 unequal: No Solution Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,93 unequal: No Solution Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,93 unequal: No Solution Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 93:[42, 3], Operations: ['18/9=2', '5-2=3'] Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,93 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,93 unequal: No Solution Exploring Operation: 42+3=45, Resulting Numbers: [45] 45,93 unequal: No Solution Exploring Operation: 42*3=126, Resulting Numbers: [126] 126,93 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: 93:[5, 9, 24], Operations: ['42-18=24'] Exploring Operation: 9+24=33, Resulting Numbers: [5, 33] Generated Node #0,2,0: 93:[5, 33] Operation: 9+24=33 Exploring Operation: 9-5=4, Resulting Numbers: [24, 4] Generated Node #0,2,1: 93:[24, 4] Operation: 9-5=4 Exploring Operation: 24-9=15, Resulting Numbers: [5, 15] Generated Node #0,2,2: 93:[5, 15] Operation: 24-9=15 Exploring Operation: 5+24=29, Resulting Numbers: [9, 29] Generated Node #0,2,3: 93:[9, 29] Operation: 5+24=29 Moving to Node #0,3 Current State: 93:[42, 5, 27], Operations: ['18+9=27'] Exploring Operation: 42-27=15, Resulting Numbers: [5, 15] Generated Node #0,3,0: 93:[5, 15] Operation: 42-27=15 Exploring Operation: 5+27=32, Resulting Numbers: [42, 32] Generated Node #0,3,1: 93:[42, 32] Operation: 5+27=32 Exploring Operation: 42+5=47, Resulting Numbers: [27, 47] Generated Node #0,3,2: 93:[27, 47] Operation: 42+5=47 Exploring Operation: 42-5=37, Resulting Numbers: [27, 37] Generated Node #0,3,3: 93:[27, 37] Operation: 42-5=37 Moving to Node #0,0 Current State: 93:[18, 5, 33], Operations: ['42-9=33'] Exploring Operation: 18*5=90, Resulting Numbers: [33, 90] Generated Node #0,0,0: 93:[33, 90] Operation: 18*5=90 Exploring Operation: 18+5=23, Resulting Numbers: [33, 23] Generated Node #0,0,1: 93:[33, 23] Operation: 18+5=23 Exploring Operation: 18-5=13, Resulting Numbers: [33, 13] Generated Node #0,0,2: 93:[33, 13] Operation: 18-5=13 Exploring Operation: 33-18=15, Resulting Numbers: [5, 15] Generated Node #0,0,3: 93:[5, 15] Operation: 33-18=15 Moving to Node #0,2,0 Current State: 93:[5, 33], Operations: ['42-18=24', '9+24=33'] Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,93 unequal: No Solution Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,93 unequal: No Solution Exploring Operation: 5*33=165, Resulting Numbers: [165] 165,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[33, 90], Operations: ['42-9=33', '18*5=90'] Exploring Operation: 33*90=2970, Resulting Numbers: [2970] 2970,93 unequal: No Solution Exploring Operation: 33+90=123, Resulting Numbers: [123] 123,93 unequal: No Solution Exploring Operation: 90-33=57, Resulting Numbers: [57] 57,93 unequal: No Solution Moving to Node #0,2,3 Current State: 93:[9, 29], Operations: ['42-18=24', '5+24=29'] Exploring Operation: 9*29=261, Resulting Numbers: [261] 261,93 unequal: No Solution Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,93 unequal: No Solution Exploring Operation: 9+29=38, Resulting Numbers: [38] 38,93 unequal: No Solution Moving to Node #0,2,1 Current State: 93:[24, 4], Operations: ['42-18=24', '9-5=4'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,93 unequal: No Solution Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,93 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,93 unequal: No Solution Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,93 unequal: No Solution Moving to Node #0,3,3 Current State: 93:[27, 37], Operations: ['18+9=27', '42-5=37'] Exploring Operation: 27+37=64, Resulting Numbers: [64] 64,93 unequal: No Solution Exploring Operation: 37-27=10, Resulting Numbers: [10] 10,93 unequal: No Solution Exploring Operation: 27*37=999, Resulting Numbers: [999] 999,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[33, 23], Operations: ['42-9=33', '18+5=23'] Exploring Operation: 33*23=759, Resulting Numbers: [759] 759,93 unequal: No Solution Exploring Operation: 33+23=56, Resulting Numbers: [56] 56,93 unequal: No Solution Exploring Operation: 33-23=10, Resulting Numbers: [10] 10,93 unequal: No Solution Moving to Node #0,3,1 Current State: 93:[42, 32], Operations: ['18+9=27', '5+27=32'] Exploring Operation: 42-32=10, Resulting Numbers: [10] 10,93 unequal: No Solution Exploring Operation: 42+32=74, Resulting Numbers: [74] 74,93 unequal: No Solution Exploring Operation: 42*32=1344, Resulting Numbers: [1344] 1344,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[33, 13], Operations: ['42-9=33', '18-5=13'] Exploring Operation: 33*13=429, Resulting Numbers: [429] 429,93 unequal: No Solution Exploring Operation: 33+13=46, Resulting Numbers: [46] 46,93 unequal: No Solution Exploring Operation: 33-13=20, Resulting Numbers: [20] 20,93 unequal: No Solution Moving to Node #0,3,0 Current State: 93:[5, 15], Operations: ['18+9=27', '42-27=15'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,93 unequal: No Solution Exploring Operation: 5+15=20, Resulting Numbers: [20] 20,93 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 5*15=75, Resulting Numbers: [75] 75,93 unequal: No Solution Moving to Node #0,0,3 Current State: 93:[5, 15], Operations: ['42-9=33', '33-18=15'] Exploring Operation: 5+15=20, Resulting Numbers: [20] 20,93 unequal: No Solution Exploring Operation: 5*15=75, Resulting Numbers: [75] 75,93 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[5, 15], Operations: ['42-18=24', '24-9=15'] Exploring Operation: 5+15=20, Resulting Numbers: [20] 20,93 unequal: No Solution Exploring Operation: 5*15=75, Resulting Numbers: [75] 75,93 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,93 unequal: No Solution Moving to Node #0,3,2 Current State: 93:[27, 47], Operations: ['18+9=27', '42+5=47'] Exploring Operation: 27+47=74, Resulting Numbers: [74] 74,93 unequal: No Solution Exploring Operation: 27*47=1269, Resulting Numbers: [1269] 1269,93 unequal: No Solution Exploring Operation: 47-27=20, Resulting Numbers: [20] 20,93 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 96, 34, 9, 40 ]
10
[ "96+34=130", "130-40=90", "90/9=10" ]
Current State: 10:[96, 34, 9, 40], Operations: [] Exploring Operation: 96+34=130, Resulting Numbers: [9, 40, 130] Generated Node #2: [9, 40, 130] from Operation: 96+34=130 Current State: 10:[9, 40, 130], Operations: ['96+34=130'] Exploring Operation: 130-40=90, Resulting Numbers: [9, 90] Generated Node #3: [9, 90] from Operation: 130-40=90 Current State: 10:[9, 90], Operations: ['96+34=130', '130-40=90'] Exploring Operation: 90/9=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[96, 34, 9, 40], Operations: [] Exploring Operation: 96-40=56, Resulting Numbers: [34, 9, 56] Generated Node #0,0: 10:[34, 9, 56] Operation: 96-40=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[34, 9, 56], Operations: ['96-40=56'] Exploring Operation: 56-34=22, Resulting Numbers: [9, 22] Generated Node #0,0,0: 10:[9, 22] Operation: 56-34=22 Moving to Node #0,0,0 Current State: 10:[9, 22], Operations: ['96-40=56', '56-34=22'] Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,10 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
[ 1, 64, 58, 94 ]
100
[ "1*64=64", "94-58=36", "64+36=100" ]
Current State: 100:[1, 64, 58, 94], Operations: [] Exploring Operation: 1*64=64, Resulting Numbers: [58, 94, 64] Generated Node #2: [58, 94, 64] from Operation: 1*64=64 Current State: 100:[58, 94, 64], Operations: ['1*64=64'] Exploring Operation: 94-58=36, Resulting Numbers: [64, 36] Generated Node #3: [64, 36] from Operation: 94-58=36 Current State: 100:[64, 36], Operations: ['1*64=64', '94-58=36'] Exploring Operation: 64+36=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[1, 64, 58, 94], Operations: [] Exploring Operation: 64-58=6, Resulting Numbers: [1, 94, 6] Generated Node #0,0: 100:[1, 94, 6] Operation: 64-58=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[1, 94, 6], Operations: ['64-58=6'] Exploring Operation: 94+6=100, Resulting Numbers: [1, 100] Generated Node #0,0,0: 100:[1, 100] Operation: 94+6=100 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 100:[1, 100], Operations: ['64-58=6', '94+6=100'] Exploring Operation: 1*100=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[1, 64, 58, 94], Operations: [] Exploring Operation: 64-58=6, Resulting Numbers: [1, 94, 6] Generated Node #0,0: 100:[1, 94, 6] Operation: 64-58=6 Moving to Node #0,0 Current State: 100:[1, 94, 6], Operations: ['64-58=6'] Exploring Operation: 94+6=100, Resulting Numbers: [1, 100] Generated Node #0,0,0: 100:[1, 100] Operation: 94+6=100 Moving to Node #0,0,0 Current State: 100:[1, 100], Operations: ['64-58=6', '94+6=100'] Exploring Operation: 1*100=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 15, 48, 69, 40 ]
34
[ "15+48=63", "69-40=29", "63-29=34" ]
Current State: 34:[15, 48, 69, 40], Operations: [] Exploring Operation: 15+48=63, Resulting Numbers: [69, 40, 63] Generated Node #2: [69, 40, 63] from Operation: 15+48=63 Current State: 34:[69, 40, 63], Operations: ['15+48=63'] Exploring Operation: 69-40=29, Resulting Numbers: [63, 29] Generated Node #3: [63, 29] from Operation: 69-40=29 Current State: 34:[63, 29], Operations: ['15+48=63', '69-40=29'] Exploring Operation: 63-29=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[15, 48, 69, 40], Operations: [] Exploring Operation: 69-15=54, Resulting Numbers: [48, 40, 54] Generated Node #0,0: 34:[48, 40, 54] Operation: 69-15=54 Exploring Operation: 69-40=29, Resulting Numbers: [15, 48, 29] Generated Node #0,1: 34:[15, 48, 29] Operation: 69-40=29 Exploring Operation: 69-48=21, Resulting Numbers: [15, 40, 21] Generated Node #0,2: 34:[15, 40, 21] Operation: 69-48=21 Exploring Operation: 48-15=33, Resulting Numbers: [69, 40, 33] Generated Node #0,3: 34:[69, 40, 33] Operation: 48-15=33 Moving to Node #0,2 Current State: 34:[15, 40, 21], Operations: ['69-48=21'] Exploring Operation: 40-21=19, Resulting Numbers: [15, 19] Generated Node #0,2,0: 34:[15, 19] Operation: 40-21=19 Exploring Operation: 15+21=36, Resulting Numbers: [40, 36] Generated Node #0,2,1: 34:[40, 36] Operation: 15+21=36 Exploring Operation: 21-15=6, Resulting Numbers: [40, 6] Generated Node #0,2,2: 34:[40, 6] Operation: 21-15=6 Exploring Operation: 40-15=25, Resulting Numbers: [21, 25] Generated Node #0,2,3: 34:[21, 25] Operation: 40-15=25 Moving to Node #0,1 Current State: 34:[15, 48, 29], Operations: ['69-40=29'] Exploring Operation: 15+29=44, Resulting Numbers: [48, 44] Generated Node #0,1,0: 34:[48, 44] Operation: 15+29=44 Exploring Operation: 48-29=19, Resulting Numbers: [15, 19] Generated Node #0,1,1: 34:[15, 19] Operation: 48-29=19 Exploring Operation: 48-15=33, Resulting Numbers: [29, 33] Generated Node #0,1,2: 34:[29, 33] Operation: 48-15=33 Exploring Operation: 29-15=14, Resulting Numbers: [48, 14] Generated Node #0,1,3: 34:[48, 14] Operation: 29-15=14 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 34:[15, 19], Operations: ['69-40=29', '48-29=19'] Exploring Operation: 15*19=285, Resulting Numbers: [285] 285,34 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,34 unequal: No Solution Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[15, 48, 69, 40], Operations: [] Exploring Operation: 69-40=29, Resulting Numbers: [15, 48, 29] Generated Node #0,1: 34:[15, 48, 29] Operation: 69-40=29 Moving to Node #0,1 Current State: 34:[15, 48, 29], Operations: ['69-40=29'] Exploring Operation: 48-29=19, Resulting Numbers: [15, 19] Generated Node #0,1,1: 34:[15, 19] Operation: 48-29=19 Moving to Node #0,1,1 Current State: 34:[15, 19], Operations: ['69-40=29', '48-29=19'] Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 51, 60, 7, 88 ]
86
[ "60-51=9", "7+88=95", "95-9=86" ]
Current State: 86:[51, 60, 7, 88], Operations: [] Exploring Operation: 60-51=9, Resulting Numbers: [7, 88, 9] Generated Node #2: [7, 88, 9] from Operation: 60-51=9 Current State: 86:[7, 88, 9], Operations: ['60-51=9'] Exploring Operation: 7+88=95, Resulting Numbers: [9, 95] Generated Node #3: [9, 95] from Operation: 7+88=95 Current State: 86:[9, 95], Operations: ['60-51=9', '7+88=95'] Exploring Operation: 95-9=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[51, 60, 7, 88], Operations: [] Exploring Operation: 51-7=44, Resulting Numbers: [60, 88, 44] Generated Node #0,0: 86:[60, 88, 44] Operation: 51-7=44 Exploring Operation: 60-51=9, Resulting Numbers: [7, 88, 9] Generated Node #0,1: 86:[7, 88, 9] Operation: 60-51=9 Moving to Node #0,1 Current State: 86:[7, 88, 9], Operations: ['60-51=9'] Exploring Operation: 88-7=81, Resulting Numbers: [9, 81] Generated Node #0,1,0: 86:[9, 81] Operation: 88-7=81 Exploring Operation: 9-7=2, Resulting Numbers: [88, 2] Generated Node #0,1,1: 86:[88, 2] Operation: 9-7=2 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 86:[88, 2], Operations: ['60-51=9', '9-7=2'] Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,86 unequal: No Solution Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[51, 60, 7, 88], Operations: [] Exploring Operation: 60-51=9, Resulting Numbers: [7, 88, 9] Generated Node #0,1: 86:[7, 88, 9] Operation: 60-51=9 Moving to Node #0,1 Current State: 86:[7, 88, 9], Operations: ['60-51=9'] Exploring Operation: 9-7=2, Resulting Numbers: [88, 2] Generated Node #0,1,1: 86:[88, 2] Operation: 9-7=2 Moving to Node #0,1,1 Current State: 86:[88, 2], Operations: ['60-51=9', '9-7=2'] Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 96, 92, 27, 77 ]
100
[ "96-92=4", "27+77=104", "104-4=100" ]
Current State: 100:[96, 92, 27, 77], Operations: [] Exploring Operation: 96-92=4, Resulting Numbers: [27, 77, 4] Generated Node #2: [27, 77, 4] from Operation: 96-92=4 Current State: 100:[27, 77, 4], Operations: ['96-92=4'] Exploring Operation: 27+77=104, Resulting Numbers: [4, 104] Generated Node #3: [4, 104] from Operation: 27+77=104 Current State: 100:[4, 104], Operations: ['96-92=4', '27+77=104'] Exploring Operation: 104-4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[96, 92, 27, 77], Operations: [] Exploring Operation: 96-77=19, Resulting Numbers: [92, 27, 19] Generated Node #0,0: 100:[92, 27, 19] Operation: 96-77=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[92, 27, 19], Operations: ['96-77=19'] Exploring Operation: 27-19=8, Resulting Numbers: [92, 8] Generated Node #0,0,0: 100:[92, 8] Operation: 27-19=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 100:[92, 8], Operations: ['96-77=19', '27-19=8'] Exploring Operation: 92+8=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[96, 92, 27, 77], Operations: [] Exploring Operation: 96-77=19, Resulting Numbers: [92, 27, 19] Generated Node #0,0: 100:[92, 27, 19] Operation: 96-77=19 Moving to Node #0,0 Current State: 100:[92, 27, 19], Operations: ['96-77=19'] Exploring Operation: 27-19=8, Resulting Numbers: [92, 8] Generated Node #0,0,0: 100:[92, 8] Operation: 27-19=8 Moving to Node #0,0,0 Current State: 100:[92, 8], Operations: ['96-77=19', '27-19=8'] Exploring Operation: 92+8=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 74, 55, 49, 43 ]
46
[ "74+55=129", "129/43=3", "49-3=46" ]
Current State: 46:[74, 55, 49, 43], Operations: [] Exploring Operation: 74+55=129, Resulting Numbers: [49, 43, 129] Generated Node #2: [49, 43, 129] from Operation: 74+55=129 Current State: 46:[49, 43, 129], Operations: ['74+55=129'] Exploring Operation: 129/43=3, Resulting Numbers: [49, 3] Generated Node #3: [49, 3] from Operation: 129/43=3 Current State: 46:[49, 3], Operations: ['74+55=129', '129/43=3'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[74, 55, 49, 43], Operations: [] Exploring Operation: 55-49=6, Resulting Numbers: [74, 43, 6] Generated Node #0,0: 46:[74, 43, 6] Operation: 55-49=6 Exploring Operation: 55-43=12, Resulting Numbers: [74, 49, 12] Generated Node #0,1: 46:[74, 49, 12] Operation: 55-43=12 Exploring Operation: 74-49=25, Resulting Numbers: [55, 43, 25] Generated Node #0,2: 46:[55, 43, 25] Operation: 74-49=25 Exploring Operation: 74-55=19, Resulting Numbers: [49, 43, 19] Generated Node #0,3: 46:[49, 43, 19] Operation: 74-55=19 Exploring Operation: 74-43=31, Resulting Numbers: [55, 49, 31] Generated Node #0,4: 46:[55, 49, 31] Operation: 74-43=31 Moving to Node #0,3 Current State: 46:[49, 43, 19], Operations: ['74-55=19'] Exploring Operation: 49-43=6, Resulting Numbers: [19, 6] Generated Node #0,3,0: 46:[19, 6] Operation: 49-43=6 Exploring Operation: 49-19=30, Resulting Numbers: [43, 30] Generated Node #0,3,1: 46:[43, 30] Operation: 49-19=30 Exploring Operation: 49+19=68, Resulting Numbers: [43, 68] Generated Node #0,3,2: 46:[43, 68] Operation: 49+19=68 Exploring Operation: 43+19=62, Resulting Numbers: [49, 62] Generated Node #0,3,3: 46:[49, 62] Operation: 43+19=62 Exploring Operation: 43-19=24, Resulting Numbers: [49, 24] Generated Node #0,3,4: 46:[49, 24] Operation: 43-19=24 Moving to Node #0,2 Current State: 46:[55, 43, 25], Operations: ['74-49=25'] Exploring Operation: 55-43=12, Resulting Numbers: [25, 12] Generated Node #0,2,0: 46:[25, 12] Operation: 55-43=12 Exploring Operation: 55-25=30, Resulting Numbers: [43, 30] Generated Node #0,2,1: 46:[43, 30] Operation: 55-25=30 Exploring Operation: 43+25=68, Resulting Numbers: [55, 68] Generated Node #0,2,2: 46:[55, 68] Operation: 43+25=68 Exploring Operation: 43-25=18, Resulting Numbers: [55, 18] Generated Node #0,2,3: 46:[55, 18] Operation: 43-25=18 Exploring Operation: 55+25=80, Resulting Numbers: [43, 80] Generated Node #0,2,4: 46:[43, 80] Operation: 55+25=80 Moving to Node #0,4 Current State: 46:[55, 49, 31], Operations: ['74-43=31'] Exploring Operation: 49+31=80, Resulting Numbers: [55, 80] Generated Node #0,4,0: 46:[55, 80] Operation: 49+31=80 Exploring Operation: 55-31=24, Resulting Numbers: [49, 24] Generated Node #0,4,1: 46:[49, 24] Operation: 55-31=24 Exploring Operation: 55-49=6, Resulting Numbers: [31, 6] Generated Node #0,4,2: 46:[31, 6] Operation: 55-49=6 Exploring Operation: 55+31=86, Resulting Numbers: [49, 86] Generated Node #0,4,3: 46:[49, 86] Operation: 55+31=86 Exploring Operation: 49-31=18, Resulting Numbers: [55, 18] Generated Node #0,4,4: 46:[55, 18] Operation: 49-31=18 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 46:[49, 24], Operations: ['74-43=31', '55-31=24'] Exploring Operation: 49+24=73, Resulting Numbers: [73] 73,46 unequal: No Solution Exploring Operation: 49*24=1176, Resulting Numbers: [1176] 1176,46 unequal: No Solution Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 46:[31, 6], Operations: ['74-43=31', '55-49=6'] Exploring Operation: 31+6=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,46 unequal: No Solution Exploring Operation: 31*6=186, Resulting Numbers: [186] 186,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 46:[55, 18], Operations: ['74-43=31', '49-31=18'] Exploring Operation: 55*18=990, Resulting Numbers: [990] 990,46 unequal: No Solution Exploring Operation: 55-18=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 55+18=73, Resulting Numbers: [73] 73,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 46:[55, 80], Operations: ['74-43=31', '49+31=80'] Exploring Operation: 55*80=4400, Resulting Numbers: [4400] 4400,46 unequal: No Solution Exploring Operation: 55+80=135, Resulting Numbers: [135] 135,46 unequal: No Solution Exploring Operation: 80-55=25, Resulting Numbers: [25] 25,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 46:[49, 86], Operations: ['74-43=31', '55+31=86'] Exploring Operation: 86-49=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 49*86=4214, Resulting Numbers: [4214] 4214,46 unequal: No Solution Exploring Operation: 49+86=135, Resulting Numbers: [135] 135,46 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: 46:[74, 43, 6], Operations: ['55-49=6'] Exploring Operation: 74-6=68, Resulting Numbers: [43, 68] Generated Node #0,0,0: 46:[43, 68] Operation: 74-6=68 Exploring Operation: 74-43=31, Resulting Numbers: [6, 31] Generated Node #0,0,1: 46:[6, 31] Operation: 74-43=31 Exploring Operation: 43+6=49, Resulting Numbers: [74, 49] Generated Node #0,0,2: 46:[74, 49] Operation: 43+6=49 Exploring Operation: 74+6=80, Resulting Numbers: [43, 80] Generated Node #0,0,3: 46:[43, 80] Operation: 74+6=80 Exploring Operation: 43-6=37, Resulting Numbers: [74, 37] Generated Node #0,0,4: 46:[74, 37] Operation: 43-6=37 Moving to Node #0,1 Current State: 46:[74, 49, 12], Operations: ['55-43=12'] Exploring Operation: 74+12=86, Resulting Numbers: [49, 86] Generated Node #0,1,0: 46:[49, 86] Operation: 74+12=86 Exploring Operation: 49+12=61, Resulting Numbers: [74, 61] Generated Node #0,1,1: 46:[74, 61] Operation: 49+12=61 Exploring Operation: 74-49=25, Resulting Numbers: [12, 25] Generated Node #0,1,2: 46:[12, 25] Operation: 74-49=25 Exploring Operation: 74-12=62, Resulting Numbers: [49, 62] Generated Node #0,1,3: 46:[49, 62] Operation: 74-12=62 Exploring Operation: 49-12=37, Resulting Numbers: [74, 37] Generated Node #0,1,4: 46:[74, 37] Operation: 49-12=37 Moving to Node #0,3,4 Current State: 46:[49, 24], Operations: ['74-55=19', '43-19=24'] Exploring Operation: 49*24=1176, Resulting Numbers: [1176] 1176,46 unequal: No Solution Exploring Operation: 49+24=73, Resulting Numbers: [73] 73,46 unequal: No Solution Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,46 unequal: No Solution Moving to Node #0,3,0 Current State: 46:[19, 6], Operations: ['74-55=19', '49-43=6'] Exploring Operation: 19*6=114, Resulting Numbers: [114] 114,46 unequal: No Solution Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,46 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,46 unequal: No Solution Moving to Node #0,3,1 Current State: 46:[43, 30], Operations: ['74-55=19', '49-19=30'] Exploring Operation: 43+30=73, Resulting Numbers: [73] 73,46 unequal: No Solution Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,46 unequal: No Solution Exploring Operation: 43*30=1290, Resulting Numbers: [1290] 1290,46 unequal: No Solution Moving to Node #0,2,1 Current State: 46:[43, 30], Operations: ['74-49=25', '55-25=30'] Exploring Operation: 43*30=1290, Resulting Numbers: [1290] 1290,46 unequal: No Solution Exploring Operation: 43+30=73, Resulting Numbers: [73] 73,46 unequal: No Solution Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,46 unequal: No Solution Moving to Node #0,2,0 Current State: 46:[25, 12], Operations: ['74-49=25', '55-43=12'] Exploring Operation: 25+12=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 25*12=300, Resulting Numbers: [300] 300,46 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[6, 31], Operations: ['55-49=6', '74-43=31'] Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,46 unequal: No Solution Exploring Operation: 6*31=186, Resulting Numbers: [186] 186,46 unequal: No Solution Exploring Operation: 6+31=37, Resulting Numbers: [37] 37,46 unequal: No Solution Moving to Node #0,1,2 Current State: 46:[12, 25], Operations: ['55-43=12', '74-49=25'] Exploring Operation: 12*25=300, Resulting Numbers: [300] 300,46 unequal: No Solution Exploring Operation: 12+25=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,46 unequal: No Solution Moving to Node #0,2,3 Current State: 46:[55, 18], Operations: ['74-49=25', '43-25=18'] Exploring Operation: 55+18=73, Resulting Numbers: [73] 73,46 unequal: No Solution Exploring Operation: 55*18=990, Resulting Numbers: [990] 990,46 unequal: No Solution Exploring Operation: 55-18=37, Resulting Numbers: [37] 37,46 unequal: No Solution Moving to Node #0,1,3 Current State: 46:[49, 62], Operations: ['55-43=12', '74-12=62'] Exploring Operation: 49*62=3038, Resulting Numbers: [3038] 3038,46 unequal: No Solution Exploring Operation: 62-49=13, Resulting Numbers: [13] 13,46 unequal: No Solution Exploring Operation: 49+62=111, Resulting Numbers: [111] 111,46 unequal: No Solution Moving to Node #0,3,3 Current State: 46:[49, 62], Operations: ['74-55=19', '43+19=62'] Exploring Operation: 49+62=111, Resulting Numbers: [111] 111,46 unequal: No Solution Exploring Operation: 62-49=13, Resulting Numbers: [13] 13,46 unequal: No Solution Exploring Operation: 49*62=3038, Resulting Numbers: [3038] 3038,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[43, 68], Operations: ['55-49=6', '74-6=68'] Exploring Operation: 43+68=111, Resulting Numbers: [111] 111,46 unequal: No Solution Exploring Operation: 68-43=25, Resulting Numbers: [25] 25,46 unequal: No Solution Exploring Operation: 43*68=2924, Resulting Numbers: [2924] 2924,46 unequal: No Solution Moving to Node #0,3,2 Current State: 46:[43, 68], Operations: ['74-55=19', '49+19=68'] Exploring Operation: 68-43=25, Resulting Numbers: [25] 25,46 unequal: No Solution Exploring Operation: 43*68=2924, Resulting Numbers: [2924] 2924,46 unequal: No Solution Exploring Operation: 43+68=111, Resulting Numbers: [111] 111,46 unequal: No Solution Moving to Node #0,0,2 Current State: 46:[74, 49], Operations: ['55-49=6', '43+6=49'] Exploring Operation: 74*49=3626, Resulting Numbers: [3626] 3626,46 unequal: No Solution Exploring Operation: 74-49=25, Resulting Numbers: [25] 25,46 unequal: No Solution Exploring Operation: 74+49=123, Resulting Numbers: [123] 123,46 unequal: No Solution Moving to Node #0,2,2 Current State: 46:[55, 68], Operations: ['74-49=25', '43+25=68'] Exploring Operation: 55+68=123, Resulting Numbers: [123] 123,46 unequal: No Solution Exploring Operation: 55*68=3740, Resulting Numbers: [3740] 3740,46 unequal: No Solution Exploring Operation: 68-55=13, Resulting Numbers: [13] 13,46 unequal: No Solution Moving to Node #0,0,4 Current State: 46:[74, 37], Operations: ['55-49=6', '43-6=37'] Exploring Operation: 74/37=2, Resulting Numbers: [2] 2,46 unequal: No Solution Exploring Operation: 74*37=2738, Resulting Numbers: [2738] 2738,46 unequal: No Solution Exploring Operation: 74-37=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 74+37=111, Resulting Numbers: [111] 111,46 unequal: No Solution Moving to Node #0,2,4 Current State: 46:[43, 80], Operations: ['74-49=25', '55+25=80'] Exploring Operation: 43+80=123, Resulting Numbers: [123] 123,46 unequal: No Solution Exploring Operation: 80-43=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 43*80=3440, Resulting Numbers: [3440] 3440,46 unequal: No Solution Moving to Node #0,1,4 Current State: 46:[74, 37], Operations: ['55-43=12', '49-12=37'] Exploring Operation: 74-37=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 74/37=2, Resulting Numbers: [2] 2,46 unequal: No Solution Exploring Operation: 74*37=2738, Resulting Numbers: [2738] 2738,46 unequal: No Solution Exploring Operation: 74+37=111, Resulting Numbers: [111] 111,46 unequal: No Solution Moving to Node #0,0,3 Current State: 46:[43, 80], Operations: ['55-49=6', '74+6=80'] Exploring Operation: 43+80=123, Resulting Numbers: [123] 123,46 unequal: No Solution Exploring Operation: 43*80=3440, Resulting Numbers: [3440] 3440,46 unequal: No Solution Exploring Operation: 80-43=37, Resulting Numbers: [37] 37,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[49, 86], Operations: ['55-43=12', '74+12=86'] Exploring Operation: 49*86=4214, Resulting Numbers: [4214] 4214,46 unequal: No Solution Exploring Operation: 49+86=135, Resulting Numbers: [135] 135,46 unequal: No Solution Exploring Operation: 86-49=37, Resulting Numbers: [37] 37,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[74, 61], Operations: ['55-43=12', '49+12=61'] Exploring Operation: 74*61=4514, Resulting Numbers: [4514] 4514,46 unequal: No Solution Exploring Operation: 74-61=13, Resulting Numbers: [13] 13,46 unequal: No Solution Exploring Operation: 74+61=135, Resulting Numbers: [135] 135,46 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 18, 25, 3, 91 ]
38
[ "18+25=43", "3*43=129", "129-91=38" ]
Current State: 38:[18, 25, 3, 91], Operations: [] Exploring Operation: 18+25=43, Resulting Numbers: [3, 91, 43] Generated Node #2: [3, 91, 43] from Operation: 18+25=43 Current State: 38:[3, 91, 43], Operations: ['18+25=43'] Exploring Operation: 3*43=129, Resulting Numbers: [91, 129] Generated Node #3: [91, 129] from Operation: 3*43=129 Current State: 38:[91, 129], Operations: ['18+25=43', '3*43=129'] Exploring Operation: 129-91=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[18, 25, 3, 91], Operations: [] Exploring Operation: 91-25=66, Resulting Numbers: [18, 3, 66] Generated Node #0,0: 38:[18, 3, 66] Operation: 91-25=66 Exploring Operation: 18+25=43, Resulting Numbers: [3, 91, 43] Generated Node #0,1: 38:[3, 91, 43] Operation: 18+25=43 Exploring Operation: 91-3=88, Resulting Numbers: [18, 25, 88] Generated Node #0,2: 38:[18, 25, 88] Operation: 91-3=88 Exploring Operation: 25-3=22, Resulting Numbers: [18, 91, 22] Generated Node #0,3: 38:[18, 91, 22] Operation: 25-3=22 Exploring Operation: 91-18=73, Resulting Numbers: [25, 3, 73] Generated Node #0,4: 38:[25, 3, 73] Operation: 91-18=73 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[18, 3, 66], Operations: ['91-25=66'] Exploring Operation: 66-18=48, Resulting Numbers: [3, 48] Generated Node #0,0,0: 38:[3, 48] Operation: 66-18=48 Exploring Operation: 18-3=15, Resulting Numbers: [66, 15] Generated Node #0,0,1: 38:[66, 15] Operation: 18-3=15 Exploring Operation: 66-3=63, Resulting Numbers: [18, 63] Generated Node #0,0,2: 38:[18, 63] Operation: 66-3=63 Exploring Operation: 18+3=21, Resulting Numbers: [66, 21] Generated Node #0,0,3: 38:[66, 21] Operation: 18+3=21 Exploring Operation: 66/3=22, Resulting Numbers: [18, 22] Generated Node #0,0,4: 38:[18, 22] Operation: 66/3=22 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 38:[18, 22], Operations: ['91-25=66', '66/3=22'] Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,38 unequal: No Solution Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 18*22=396, Resulting Numbers: [396] 396,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 38:[3, 48], Operations: ['91-25=66', '66-18=48'] Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,38 unequal: No Solution Exploring Operation: 3*48=144, Resulting Numbers: [144] 144,38 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 38:[18, 63], Operations: ['91-25=66', '66-3=63'] Exploring Operation: 18+63=81, Resulting Numbers: [81] 81,38 unequal: No Solution Exploring Operation: 18*63=1134, Resulting Numbers: [1134] 1134,38 unequal: No Solution Exploring Operation: 63-18=45, Resulting Numbers: [45] 45,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 38:[66, 21], Operations: ['91-25=66', '18+3=21'] Exploring Operation: 66+21=87, Resulting Numbers: [87] 87,38 unequal: No Solution Exploring Operation: 66-21=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 66*21=1386, Resulting Numbers: [1386] 1386,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 38:[66, 15], Operations: ['91-25=66', '18-3=15'] Exploring Operation: 66+15=81, Resulting Numbers: [81] 81,38 unequal: No Solution Exploring Operation: 66*15=990, Resulting Numbers: [990] 990,38 unequal: No Solution Exploring Operation: 66-15=51, Resulting Numbers: [51] 51,38 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: 38:[25, 3, 73], Operations: ['91-18=73'] Exploring Operation: 3+73=76, Resulting Numbers: [25, 76] Generated Node #0,4,0: 38:[25, 76] Operation: 3+73=76 Exploring Operation: 25-3=22, Resulting Numbers: [73, 22] Generated Node #0,4,1: 38:[73, 22] Operation: 25-3=22 Exploring Operation: 25+3=28, Resulting Numbers: [73, 28] Generated Node #0,4,2: 38:[73, 28] Operation: 25+3=28 Exploring Operation: 73-25=48, Resulting Numbers: [3, 48] Generated Node #0,4,3: 38:[3, 48] Operation: 73-25=48 Exploring Operation: 73-3=70, Resulting Numbers: [25, 70] Generated Node #0,4,4: 38:[25, 70] Operation: 73-3=70 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 38:[3, 48], Operations: ['91-18=73', '73-25=48'] Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,38 unequal: No Solution Exploring Operation: 3*48=144, Resulting Numbers: [144] 144,38 unequal: No Solution Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 38:[73, 22], Operations: ['91-18=73', '25-3=22'] Exploring Operation: 73*22=1606, Resulting Numbers: [1606] 1606,38 unequal: No Solution Exploring Operation: 73+22=95, Resulting Numbers: [95] 95,38 unequal: No Solution Exploring Operation: 73-22=51, Resulting Numbers: [51] 51,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 38:[25, 70], Operations: ['91-18=73', '73-3=70'] Exploring Operation: 70-25=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 25*70=1750, Resulting Numbers: [1750] 1750,38 unequal: No Solution Exploring Operation: 25+70=95, Resulting Numbers: [95] 95,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 38:[25, 76], Operations: ['91-18=73', '3+73=76'] Exploring Operation: 25*76=1900, Resulting Numbers: [1900] 1900,38 unequal: No Solution Exploring Operation: 76-25=51, Resulting Numbers: [51] 51,38 unequal: No Solution Exploring Operation: 25+76=101, Resulting Numbers: [101] 101,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 38:[73, 28], Operations: ['91-18=73', '25+3=28'] Exploring Operation: 73*28=2044, Resulting Numbers: [2044] 2044,38 unequal: No Solution Exploring Operation: 73-28=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 73+28=101, Resulting Numbers: [101] 101,38 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: 38:[18, 25, 88], Operations: ['91-3=88'] Exploring Operation: 88-25=63, Resulting Numbers: [18, 63] Generated Node #0,2,0: 38:[18, 63] Operation: 88-25=63 Exploring Operation: 18+25=43, Resulting Numbers: [88, 43] Generated Node #0,2,1: 38:[88, 43] Operation: 18+25=43 Exploring Operation: 18+88=106, Resulting Numbers: [25, 106] Generated Node #0,2,2: 38:[25, 106] Operation: 18+88=106 Exploring Operation: 25-18=7, Resulting Numbers: [88, 7] Generated Node #0,2,3: 38:[88, 7] Operation: 25-18=7 Exploring Operation: 88-18=70, Resulting Numbers: [25, 70] Generated Node #0,2,4: 38:[25, 70] Operation: 88-18=70 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 38:[18, 63], Operations: ['91-3=88', '88-25=63'] Exploring Operation: 18*63=1134, Resulting Numbers: [1134] 1134,38 unequal: No Solution Exploring Operation: 18+63=81, Resulting Numbers: [81] 81,38 unequal: No Solution Exploring Operation: 63-18=45, Resulting Numbers: [45] 45,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 38:[25, 70], Operations: ['91-3=88', '88-18=70'] Exploring Operation: 70-25=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 25+70=95, Resulting Numbers: [95] 95,38 unequal: No Solution Exploring Operation: 25*70=1750, Resulting Numbers: [1750] 1750,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 38:[88, 43], Operations: ['91-3=88', '18+25=43'] Exploring Operation: 88-43=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 88+43=131, Resulting Numbers: [131] 131,38 unequal: No Solution Exploring Operation: 88*43=3784, Resulting Numbers: [3784] 3784,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 38:[88, 7], Operations: ['91-3=88', '25-18=7'] Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,38 unequal: No Solution Exploring Operation: 88+7=95, Resulting Numbers: [95] 95,38 unequal: No Solution Exploring Operation: 88*7=616, Resulting Numbers: [616] 616,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 38:[25, 106], Operations: ['91-3=88', '18+88=106'] Exploring Operation: 106-25=81, Resulting Numbers: [81] 81,38 unequal: No Solution Exploring Operation: 25+106=131, Resulting Numbers: [131] 131,38 unequal: No Solution Exploring Operation: 25*106=2650, Resulting Numbers: [2650] 2650,38 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: 38:[18, 91, 22], Operations: ['25-3=22'] Exploring Operation: 91-22=69, Resulting Numbers: [18, 69] Generated Node #0,3,0: 38:[18, 69] Operation: 91-22=69 Exploring Operation: 91-18=73, Resulting Numbers: [22, 73] Generated Node #0,3,1: 38:[22, 73] Operation: 91-18=73 Exploring Operation: 18+22=40, Resulting Numbers: [91, 40] Generated Node #0,3,2: 38:[91, 40] Operation: 18+22=40 Exploring Operation: 18+91=109, Resulting Numbers: [22, 109] Generated Node #0,3,3: 38:[22, 109] Operation: 18+91=109 Exploring Operation: 22-18=4, Resulting Numbers: [91, 4] Generated Node #0,3,4: 38:[91, 4] Operation: 22-18=4 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 38:[18, 69], Operations: ['25-3=22', '91-22=69'] Exploring Operation: 18+69=87, Resulting Numbers: [87] 87,38 unequal: No Solution Exploring Operation: 18*69=1242, Resulting Numbers: [1242] 1242,38 unequal: No Solution Exploring Operation: 69-18=51, Resulting Numbers: [51] 51,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 38:[22, 73], Operations: ['25-3=22', '91-18=73'] Exploring Operation: 73-22=51, Resulting Numbers: [51] 51,38 unequal: No Solution Exploring Operation: 22*73=1606, Resulting Numbers: [1606] 1606,38 unequal: No Solution Exploring Operation: 22+73=95, Resulting Numbers: [95] 95,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 38:[91, 40], Operations: ['25-3=22', '18+22=40'] Exploring Operation: 91+40=131, Resulting Numbers: [131] 131,38 unequal: No Solution Exploring Operation: 91*40=3640, Resulting Numbers: [3640] 3640,38 unequal: No Solution Exploring Operation: 91-40=51, Resulting Numbers: [51] 51,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 38:[91, 4], Operations: ['25-3=22', '22-18=4'] Exploring Operation: 91+4=95, Resulting Numbers: [95] 95,38 unequal: No Solution Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,38 unequal: No Solution Exploring Operation: 91*4=364, Resulting Numbers: [364] 364,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 38:[22, 109], Operations: ['25-3=22', '18+91=109'] Exploring Operation: 22*109=2398, Resulting Numbers: [2398] 2398,38 unequal: No Solution Exploring Operation: 22+109=131, Resulting Numbers: [131] 131,38 unequal: No Solution Exploring Operation: 109-22=87, Resulting Numbers: [87] 87,38 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: 38:[3, 91, 43], Operations: ['18+25=43'] Exploring Operation: 3+43=46, Resulting Numbers: [91, 46] Generated Node #0,1,0: 38:[91, 46] Operation: 3+43=46 Exploring Operation: 91-43=48, Resulting Numbers: [3, 48] Generated Node #0,1,1: 38:[3, 48] Operation: 91-43=48 Exploring Operation: 3+91=94, Resulting Numbers: [43, 94] Generated Node #0,1,2: 38:[43, 94] Operation: 3+91=94 Exploring Operation: 91-3=88, Resulting Numbers: [43, 88] Generated Node #0,1,3: 38:[43, 88] Operation: 91-3=88 Exploring Operation: 43-3=40, Resulting Numbers: [91, 40] Generated Node #0,1,4: 38:[91, 40] Operation: 43-3=40 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 38:[3, 48], Operations: ['18+25=43', '91-43=48'] Exploring Operation: 3*48=144, Resulting Numbers: [144] 144,38 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,38 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 38:[43, 88], Operations: ['18+25=43', '91-3=88'] Exploring Operation: 43+88=131, Resulting Numbers: [131] 131,38 unequal: No Solution Exploring Operation: 43*88=3784, Resulting Numbers: [3784] 3784,38 unequal: No Solution Exploring Operation: 88-43=45, Resulting Numbers: [45] 45,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 38:[91, 40], Operations: ['18+25=43', '43-3=40'] Exploring Operation: 91*40=3640, Resulting Numbers: [3640] 3640,38 unequal: No Solution Exploring Operation: 91+40=131, Resulting Numbers: [131] 131,38 unequal: No Solution Exploring Operation: 91-40=51, Resulting Numbers: [51] 51,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 38:[91, 46], Operations: ['18+25=43', '3+43=46'] Exploring Operation: 91-46=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 91+46=137, Resulting Numbers: [137] 137,38 unequal: No Solution Exploring Operation: 91*46=4186, Resulting Numbers: [4186] 4186,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 38:[43, 94], Operations: ['18+25=43', '3+91=94'] Exploring Operation: 43+94=137, Resulting Numbers: [137] 137,38 unequal: No Solution Exploring Operation: 43*94=4042, Resulting Numbers: [4042] 4042,38 unequal: No Solution Exploring Operation: 94-43=51, Resulting Numbers: [51] 51,38 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
[ 89, 55, 65, 10 ]
41
[ "89-55=34", "65+10=75", "75-34=41" ]
Current State: 41:[89, 55, 65, 10], Operations: [] Exploring Operation: 89-55=34, Resulting Numbers: [65, 10, 34] Generated Node #2: [65, 10, 34] from Operation: 89-55=34 Current State: 41:[65, 10, 34], Operations: ['89-55=34'] Exploring Operation: 65+10=75, Resulting Numbers: [34, 75] Generated Node #3: [34, 75] from Operation: 65+10=75 Current State: 41:[34, 75], Operations: ['89-55=34', '65+10=75'] Exploring Operation: 75-34=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[89, 55, 65, 10], Operations: [] Exploring Operation: 89-55=34, Resulting Numbers: [65, 10, 34] Generated Node #0,0: 41:[65, 10, 34] Operation: 89-55=34 Moving to Node #0,0 Current State: 41:[65, 10, 34], Operations: ['89-55=34'] Exploring Operation: 65-10=55, Resulting Numbers: [34, 55] Generated Node #0,0,0: 41:[34, 55] Operation: 65-10=55 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[34, 55], Operations: ['89-55=34', '65-10=55'] Exploring Operation: 55-34=21, Resulting Numbers: [21] 21,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 36, 13, 40, 60 ]
29
[ "36+13=49", "60-40=20", "49-20=29" ]
Current State: 29:[36, 13, 40, 60], Operations: [] Exploring Operation: 36+13=49, Resulting Numbers: [40, 60, 49] Generated Node #2: [40, 60, 49] from Operation: 36+13=49 Current State: 29:[40, 60, 49], Operations: ['36+13=49'] Exploring Operation: 60-40=20, Resulting Numbers: [49, 20] Generated Node #3: [49, 20] from Operation: 60-40=20 Current State: 29:[49, 20], Operations: ['36+13=49', '60-40=20'] Exploring Operation: 49-20=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[36, 13, 40, 60], Operations: [] Exploring Operation: 40-13=27, Resulting Numbers: [36, 60, 27] Generated Node #0,0: 29:[36, 60, 27] Operation: 40-13=27 Exploring Operation: 60-13=47, Resulting Numbers: [36, 40, 47] Generated Node #0,1: 29:[36, 40, 47] Operation: 60-13=47 Exploring Operation: 60-40=20, Resulting Numbers: [36, 13, 20] Generated Node #0,2: 29:[36, 13, 20] Operation: 60-40=20 Exploring Operation: 60-36=24, Resulting Numbers: [13, 40, 24] Generated Node #0,3: 29:[13, 40, 24] Operation: 60-36=24 Moving to Node #0,2 Current State: 29:[36, 13, 20], Operations: ['60-40=20'] Exploring Operation: 36-20=16, Resulting Numbers: [13, 16] Generated Node #0,2,0: 29:[13, 16] Operation: 36-20=16 Exploring Operation: 13+20=33, Resulting Numbers: [36, 33] Generated Node #0,2,1: 29:[36, 33] Operation: 13+20=33 Exploring Operation: 36+13=49, Resulting Numbers: [20, 49] Generated Node #0,2,2: 29:[20, 49] Operation: 36+13=49 Exploring Operation: 36-13=23, Resulting Numbers: [20, 23] Generated Node #0,2,3: 29:[20, 23] Operation: 36-13=23 Moving to Node #0,3 Current State: 29:[13, 40, 24], Operations: ['60-36=24'] Exploring Operation: 40-13=27, Resulting Numbers: [24, 27] Generated Node #0,3,0: 29:[24, 27] Operation: 40-13=27 Exploring Operation: 13+40=53, Resulting Numbers: [24, 53] Generated Node #0,3,1: 29:[24, 53] Operation: 13+40=53 Exploring Operation: 24-13=11, Resulting Numbers: [40, 11] Generated Node #0,3,2: 29:[40, 11] Operation: 24-13=11 Exploring Operation: 13+24=37, Resulting Numbers: [40, 37] Generated Node #0,3,3: 29:[40, 37] Operation: 13+24=37 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 29:[24, 27], Operations: ['60-36=24', '40-13=27'] Exploring Operation: 24+27=51, Resulting Numbers: [51] 51,29 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 24*27=648, Resulting Numbers: [648] 648,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 29:[40, 37], Operations: ['60-36=24', '13+24=37'] Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 40*37=1480, Resulting Numbers: [1480] 1480,29 unequal: No Solution Exploring Operation: 40+37=77, Resulting Numbers: [77] 77,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 29:[24, 53], Operations: ['60-36=24', '13+40=53'] Exploring Operation: 24+53=77, Resulting Numbers: [77] 77,29 unequal: No Solution Exploring Operation: 24*53=1272, Resulting Numbers: [1272] 1272,29 unequal: No Solution Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[36, 13, 40, 60], Operations: [] Exploring Operation: 60-36=24, Resulting Numbers: [13, 40, 24] Generated Node #0,3: 29:[13, 40, 24] Operation: 60-36=24 Moving to Node #0,3 Current State: 29:[13, 40, 24], Operations: ['60-36=24'] Exploring Operation: 13+40=53, Resulting Numbers: [24, 53] Generated Node #0,3,1: 29:[24, 53] Operation: 13+40=53 Moving to Node #0,3,1 Current State: 29:[24, 53], Operations: ['60-36=24', '13+40=53'] Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_4
mult_heuristic
[ 73, 34, 7, 80 ]
48
[ "73-34=39", "7+80=87", "87-39=48" ]
Current State: 48:[73, 34, 7, 80], Operations: [] Exploring Operation: 73-34=39, Resulting Numbers: [7, 80, 39] Generated Node #2: [7, 80, 39] from Operation: 73-34=39 Current State: 48:[7, 80, 39], Operations: ['73-34=39'] Exploring Operation: 7+80=87, Resulting Numbers: [39, 87] Generated Node #3: [39, 87] from Operation: 7+80=87 Current State: 48:[39, 87], Operations: ['73-34=39', '7+80=87'] Exploring Operation: 87-39=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[73, 34, 7, 80], Operations: [] Exploring Operation: 73-7=66, Resulting Numbers: [34, 80, 66] Generated Node #0,0: 48:[34, 80, 66] Operation: 73-7=66 Exploring Operation: 80-73=7, Resulting Numbers: [34, 7, 7] Generated Node #0,1: 48:[34, 7, 7] Operation: 80-73=7 Exploring Operation: 80-34=46, Resulting Numbers: [73, 7, 46] Generated Node #0,2: 48:[73, 7, 46] Operation: 80-34=46 Exploring Operation: 34-7=27, Resulting Numbers: [73, 80, 27] Generated Node #0,3: 48:[73, 80, 27] Operation: 34-7=27 Exploring Operation: 73-34=39, Resulting Numbers: [7, 80, 39] Generated Node #0,4: 48:[7, 80, 39] Operation: 73-34=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[34, 7, 7], Operations: ['80-73=7'] Exploring Operation: 7*7=49, Resulting Numbers: [34, 49] Generated Node #0,1,0: 48:[34, 49] Operation: 7*7=49 Exploring Operation: 34-7=27, Resulting Numbers: [7, 27] Generated Node #0,1,1: 48:[7, 27] Operation: 34-7=27 Exploring Operation: 34+7=41, Resulting Numbers: [7, 41] Generated Node #0,1,2: 48:[7, 41] Operation: 34+7=41 Exploring Operation: 34-7=27, Resulting Numbers: [7, 27] Generated Node #0,1,3: 48:[7, 27] Operation: 34-7=27 Exploring Operation: 34+7=41, Resulting Numbers: [7, 41] Generated Node #0,1,4: 48:[7, 41] Operation: 34+7=41 Moving to Node #0,1,1 Current State: 48:[7, 27], Operations: ['80-73=7', '34-7=27'] Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 7+27=34, Resulting Numbers: [34] 34,48 unequal: No Solution Exploring Operation: 7*27=189, Resulting Numbers: [189] 189,48 unequal: No Solution Moving to Node #0,1,3 Current State: 48:[7, 27], Operations: ['80-73=7', '34-7=27'] Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 7+27=34, Resulting Numbers: [34] 34,48 unequal: No Solution Exploring Operation: 7*27=189, Resulting Numbers: [189] 189,48 unequal: No Solution Moving to Node #0,1,2 Current State: 48:[7, 41], Operations: ['80-73=7', '34+7=41'] Exploring Operation: 7+41=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[73, 34, 7, 80], Operations: [] Exploring Operation: 80-73=7, Resulting Numbers: [34, 7, 7] Generated Node #0,1: 48:[34, 7, 7] Operation: 80-73=7 Moving to Node #0,1 Current State: 48:[34, 7, 7], Operations: ['80-73=7'] Exploring Operation: 34+7=41, Resulting Numbers: [7, 41] Generated Node #0,1,2: 48:[7, 41] Operation: 34+7=41 Moving to Node #0,1,2 Current State: 48:[7, 41], Operations: ['80-73=7', '34+7=41'] Exploring Operation: 7+41=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 79, 20, 66, 1 ]
34
[ "79+20=99", "66-1=65", "99-65=34" ]
Current State: 34:[79, 20, 66, 1], Operations: [] Exploring Operation: 79+20=99, Resulting Numbers: [66, 1, 99] Generated Node #2: [66, 1, 99] from Operation: 79+20=99 Current State: 34:[66, 1, 99], Operations: ['79+20=99'] Exploring Operation: 66-1=65, Resulting Numbers: [99, 65] Generated Node #3: [99, 65] from Operation: 66-1=65 Current State: 34:[99, 65], Operations: ['79+20=99', '66-1=65'] Exploring Operation: 99-65=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[79, 20, 66, 1], Operations: [] Exploring Operation: 66-20=46, Resulting Numbers: [79, 1, 46] Generated Node #0,0: 34:[79, 1, 46] Operation: 66-20=46 Exploring Operation: 79-66=13, Resulting Numbers: [20, 1, 13] Generated Node #0,1: 34:[20, 1, 13] Operation: 79-66=13 Exploring Operation: 79-20=59, Resulting Numbers: [66, 1, 59] Generated Node #0,2: 34:[66, 1, 59] Operation: 79-20=59 Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[20, 1, 13], Operations: ['79-66=13'] Exploring Operation: 20-13=7, Resulting Numbers: [1, 7] Generated Node #0,1,0: 34:[1, 7] Operation: 20-13=7 Exploring Operation: 20-1=19, Resulting Numbers: [13, 19] Generated Node #0,1,1: 34:[13, 19] Operation: 20-1=19 Exploring Operation: 20+13=33, Resulting Numbers: [1, 33] Generated Node #0,1,2: 34:[1, 33] Operation: 20+13=33 Moving to Node #0,1,2 Current State: 34:[1, 33], Operations: ['79-66=13', '20+13=33'] Exploring Operation: 33/1=33, Resulting Numbers: [33] 33,34 unequal: No Solution Exploring Operation: 1*33=33, Resulting Numbers: [33] 33,34 unequal: No Solution Exploring Operation: 1+33=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[79, 20, 66, 1], Operations: [] Exploring Operation: 79-66=13, Resulting Numbers: [20, 1, 13] Generated Node #0,1: 34:[20, 1, 13] Operation: 79-66=13 Moving to Node #0,1 Current State: 34:[20, 1, 13], Operations: ['79-66=13'] Exploring Operation: 20+13=33, Resulting Numbers: [1, 33] Generated Node #0,1,2: 34:[1, 33] Operation: 20+13=33 Moving to Node #0,1,2 Current State: 34:[1, 33], Operations: ['79-66=13', '20+13=33'] Exploring Operation: 1+33=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 13, 54, 17, 13 ]
98
[ "13*13=169", "54+17=71", "169-71=98" ]
Current State: 98:[13, 54, 17, 13], Operations: [] Exploring Operation: 13*13=169, Resulting Numbers: [54, 17, 169] Generated Node #2: [54, 17, 169] from Operation: 13*13=169 Current State: 98:[54, 17, 169], Operations: ['13*13=169'] Exploring Operation: 54+17=71, Resulting Numbers: [169, 71] Generated Node #3: [169, 71] from Operation: 54+17=71 Current State: 98:[169, 71], Operations: ['13*13=169', '54+17=71'] Exploring Operation: 169-71=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[13, 54, 17, 13], Operations: [] Exploring Operation: 17-13=4, Resulting Numbers: [54, 13, 4] Generated Node #0,0: 98:[54, 13, 4] Operation: 17-13=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[54, 13, 4], Operations: ['17-13=4'] Exploring Operation: 54-4=50, Resulting Numbers: [13, 50] Generated Node #0,0,0: 98:[13, 50] Operation: 54-4=50 Moving to Node #0,0,0 Current State: 98:[13, 50], Operations: ['17-13=4', '54-4=50'] Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,98 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
[ 88, 3, 96, 22 ]
42
[ "96-88=8", "22-8=14", "3*14=42" ]
Current State: 42:[88, 3, 96, 22], Operations: [] Exploring Operation: 96-88=8, Resulting Numbers: [3, 22, 8] Generated Node #2: [3, 22, 8] from Operation: 96-88=8 Current State: 42:[3, 22, 8], Operations: ['96-88=8'] Exploring Operation: 22-8=14, Resulting Numbers: [3, 14] Generated Node #3: [3, 14] from Operation: 22-8=14 Current State: 42:[3, 14], Operations: ['96-88=8', '22-8=14'] Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[88, 3, 96, 22], Operations: [] Exploring Operation: 88-22=66, Resulting Numbers: [3, 96, 66] Generated Node #0,0: 42:[3, 96, 66] Operation: 88-22=66 Exploring Operation: 96/3=32, Resulting Numbers: [88, 22, 32] Generated Node #0,1: 42:[88, 22, 32] Operation: 96/3=32 Exploring Operation: 96-88=8, Resulting Numbers: [3, 22, 8] Generated Node #0,2: 42:[3, 22, 8] Operation: 96-88=8 Exploring Operation: 88/22=4, Resulting Numbers: [3, 96, 4] Generated Node #0,3: 42:[3, 96, 4] Operation: 88/22=4 Moving to Node #0,2 Current State: 42:[3, 22, 8], Operations: ['96-88=8'] Exploring Operation: 8-3=5, Resulting Numbers: [22, 5] Generated Node #0,2,0: 42:[22, 5] Operation: 8-3=5 Exploring Operation: 22-3=19, Resulting Numbers: [8, 19] Generated Node #0,2,1: 42:[8, 19] Operation: 22-3=19 Exploring Operation: 3+8=11, Resulting Numbers: [22, 11] Generated Node #0,2,2: 42:[22, 11] Operation: 3+8=11 Exploring Operation: 22-8=14, Resulting Numbers: [3, 14] Generated Node #0,2,3: 42:[3, 14] Operation: 22-8=14 Moving to Node #0,3 Current State: 42:[3, 96, 4], Operations: ['88/22=4'] Exploring Operation: 96-4=92, Resulting Numbers: [3, 92] Generated Node #0,3,0: 42:[3, 92] Operation: 96-4=92 Exploring Operation: 96/3=32, Resulting Numbers: [4, 32] Generated Node #0,3,1: 42:[4, 32] Operation: 96/3=32 Exploring Operation: 96-3=93, Resulting Numbers: [4, 93] Generated Node #0,3,2: 42:[4, 93] Operation: 96-3=93 Exploring Operation: 96/4=24, Resulting Numbers: [3, 24] Generated Node #0,3,3: 42:[3, 24] Operation: 96/4=24 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 42:[3, 24], Operations: ['88/22=4', '96/4=24'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,42 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,42 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,42 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 42:[4, 32], Operations: ['88/22=4', '96/3=32'] Exploring Operation: 4*32=128, Resulting Numbers: [128] 128,42 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,42 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,42 unequal: No Solution Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 42:[3, 92], Operations: ['88/22=4', '96-4=92'] Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,42 unequal: No Solution Exploring Operation: 3*92=276, Resulting Numbers: [276] 276,42 unequal: No Solution Exploring Operation: 3+92=95, Resulting Numbers: [95] 95,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 42:[4, 93], Operations: ['88/22=4', '96-3=93'] Exploring Operation: 93-4=89, Resulting Numbers: [89] 89,42 unequal: No Solution Exploring Operation: 4+93=97, Resulting Numbers: [97] 97,42 unequal: No Solution Exploring Operation: 4*93=372, Resulting Numbers: [372] 372,42 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: 42:[88, 22, 32], Operations: ['96/3=32'] Exploring Operation: 88/22=4, Resulting Numbers: [32, 4] Generated Node #0,1,0: 42:[32, 4] Operation: 88/22=4 Exploring Operation: 88-22=66, Resulting Numbers: [32, 66] Generated Node #0,1,1: 42:[32, 66] Operation: 88-22=66 Exploring Operation: 88-32=56, Resulting Numbers: [22, 56] Generated Node #0,1,2: 42:[22, 56] Operation: 88-32=56 Exploring Operation: 32-22=10, Resulting Numbers: [88, 10] Generated Node #0,1,3: 42:[88, 10] Operation: 32-22=10 Moving to Node #0,0 Current State: 42:[3, 96, 66], Operations: ['88-22=66'] Exploring Operation: 96-3=93, Resulting Numbers: [66, 93] Generated Node #0,0,0: 42:[66, 93] Operation: 96-3=93 Exploring Operation: 96-66=30, Resulting Numbers: [3, 30] Generated Node #0,0,1: 42:[3, 30] Operation: 96-66=30 Exploring Operation: 96/3=32, Resulting Numbers: [66, 32] Generated Node #0,0,2: 42:[66, 32] Operation: 96/3=32 Exploring Operation: 66/3=22, Resulting Numbers: [96, 22] Generated Node #0,0,3: 42:[96, 22] Operation: 66/3=22 Moving to Node #0,2,3 Current State: 42:[3, 14], Operations: ['96-88=8', '22-8=14'] Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,42 unequal: No Solution Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[88, 3, 96, 22], Operations: [] Exploring Operation: 96-88=8, Resulting Numbers: [3, 22, 8] Generated Node #0,2: 42:[3, 22, 8] Operation: 96-88=8 Moving to Node #0,2 Current State: 42:[3, 22, 8], Operations: ['96-88=8'] Exploring Operation: 22-8=14, Resulting Numbers: [3, 14] Generated Node #0,2,3: 42:[3, 14] Operation: 22-8=14 Moving to Node #0,2,3 Current State: 42:[3, 14], Operations: ['96-88=8', '22-8=14'] Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
0.965278
hs_4
sum_heuristic
[ 42, 19, 53, 84 ]
30
[ "42+19=61", "84-53=31", "61-31=30" ]
Current State: 30:[42, 19, 53, 84], Operations: [] Exploring Operation: 42+19=61, Resulting Numbers: [53, 84, 61] Generated Node #2: [53, 84, 61] from Operation: 42+19=61 Current State: 30:[53, 84, 61], Operations: ['42+19=61'] Exploring Operation: 84-53=31, Resulting Numbers: [61, 31] Generated Node #3: [61, 31] from Operation: 84-53=31 Current State: 30:[61, 31], Operations: ['42+19=61', '84-53=31'] Exploring Operation: 61-31=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[42, 19, 53, 84], Operations: [] Exploring Operation: 84/42=2, Resulting Numbers: [19, 53, 2] Generated Node #0,0: 30:[19, 53, 2] Operation: 84/42=2 Exploring Operation: 84-53=31, Resulting Numbers: [42, 19, 31] Generated Node #0,1: 30:[42, 19, 31] Operation: 84-53=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[42, 19, 31], Operations: ['84-53=31'] Exploring Operation: 42-31=11, Resulting Numbers: [19, 11] Generated Node #0,1,0: 30:[19, 11] Operation: 42-31=11 Exploring Operation: 42-19=23, Resulting Numbers: [31, 23] Generated Node #0,1,1: 30:[31, 23] Operation: 42-19=23 Moving to Node #0,1,0 Current State: 30:[19, 11], Operations: ['84-53=31', '42-31=11'] Exploring Operation: 19+11=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[42, 19, 53, 84], Operations: [] Exploring Operation: 84-53=31, Resulting Numbers: [42, 19, 31] Generated Node #0,1: 30:[42, 19, 31] Operation: 84-53=31 Moving to Node #0,1 Current State: 30:[42, 19, 31], Operations: ['84-53=31'] Exploring Operation: 42-31=11, Resulting Numbers: [19, 11] Generated Node #0,1,0: 30:[19, 11] Operation: 42-31=11 Moving to Node #0,1,0 Current State: 30:[19, 11], Operations: ['84-53=31', '42-31=11'] Exploring Operation: 19+11=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 75, 89, 2, 90 ]
74
[ "89-75=14", "90-2=88", "88-14=74" ]
Current State: 74:[75, 89, 2, 90], Operations: [] Exploring Operation: 89-75=14, Resulting Numbers: [2, 90, 14] Generated Node #2: [2, 90, 14] from Operation: 89-75=14 Current State: 74:[2, 90, 14], Operations: ['89-75=14'] Exploring Operation: 90-2=88, Resulting Numbers: [14, 88] Generated Node #3: [14, 88] from Operation: 90-2=88 Current State: 74:[14, 88], Operations: ['89-75=14', '90-2=88'] Exploring Operation: 88-14=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[75, 89, 2, 90], Operations: [] Exploring Operation: 90-89=1, Resulting Numbers: [75, 2, 1] Generated Node #0,0: 74:[75, 2, 1] Operation: 90-89=1 Exploring Operation: 90-75=15, Resulting Numbers: [89, 2, 15] Generated Node #0,1: 74:[89, 2, 15] Operation: 90-75=15 Exploring Operation: 89-75=14, Resulting Numbers: [2, 90, 14] Generated Node #0,2: 74:[2, 90, 14] Operation: 89-75=14 Exploring Operation: 90/2=45, Resulting Numbers: [75, 89, 45] Generated Node #0,3: 74:[75, 89, 45] Operation: 90/2=45 Moving to Node #0,0 Current State: 74:[75, 2, 1], Operations: ['90-89=1'] Exploring Operation: 75-1=74, Resulting Numbers: [2, 74] Generated Node #0,0,0: 74:[2, 74] Operation: 75-1=74 Exploring Operation: 75*1=75, Resulting Numbers: [2, 75] Generated Node #0,0,1: 74:[2, 75] Operation: 75*1=75 Exploring Operation: 2*1=2, Resulting Numbers: [75, 2] Generated Node #0,0,2: 74:[75, 2] Operation: 2*1=2 Exploring Operation: 75/1=75, Resulting Numbers: [2, 75] Generated Node #0,0,3: 74:[2, 75] Operation: 75/1=75 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[2, 74], Operations: ['90-89=1', '75-1=74'] Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,74 unequal: No Solution Exploring Operation: 2+74=76, Resulting Numbers: [76] 76,74 unequal: No Solution Exploring Operation: 2*74=148, Resulting Numbers: [148] 148,74 unequal: No Solution Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 74:[2, 75], Operations: ['90-89=1', '75*1=75'] Exploring Operation: 2*75=150, Resulting Numbers: [150] 150,74 unequal: No Solution Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,74 unequal: No Solution Exploring Operation: 2+75=77, Resulting Numbers: [77] 77,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 74:[75, 2], Operations: ['90-89=1', '2*1=2'] Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,74 unequal: No Solution Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,74 unequal: No Solution Exploring Operation: 75*2=150, Resulting Numbers: [150] 150,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 74:[2, 75], Operations: ['90-89=1', '75/1=75'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,74 unequal: No Solution Exploring Operation: 2+75=77, Resulting Numbers: [77] 77,74 unequal: No Solution Exploring Operation: 2*75=150, Resulting Numbers: [150] 150,74 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: 74:[75, 89, 45], Operations: ['90/2=45'] Exploring Operation: 75-45=30, Resulting Numbers: [89, 30] Generated Node #0,3,0: 74:[89, 30] Operation: 75-45=30 Exploring Operation: 89-75=14, Resulting Numbers: [45, 14] Generated Node #0,3,1: 74:[45, 14] Operation: 89-75=14 Exploring Operation: 89-45=44, Resulting Numbers: [75, 44] Generated Node #0,3,2: 74:[75, 44] Operation: 89-45=44 Exploring Operation: 75+45=120, Resulting Numbers: [89, 120] Generated Node #0,3,3: 74:[89, 120] Operation: 75+45=120 Moving to Node #0,2 Current State: 74:[2, 90, 14], Operations: ['89-75=14'] Exploring Operation: 90-14=76, Resulting Numbers: [2, 76] Generated Node #0,2,0: 74:[2, 76] Operation: 90-14=76 Exploring Operation: 14/2=7, Resulting Numbers: [90, 7] Generated Node #0,2,1: 74:[90, 7] Operation: 14/2=7 Exploring Operation: 90/2=45, Resulting Numbers: [14, 45] Generated Node #0,2,2: 74:[14, 45] Operation: 90/2=45 Exploring Operation: 2*14=28, Resulting Numbers: [90, 28] Generated Node #0,2,3: 74:[90, 28] Operation: 2*14=28 Moving to Node #0,1 Current State: 74:[89, 2, 15], Operations: ['90-75=15'] Exploring Operation: 89-2=87, Resulting Numbers: [15, 87] Generated Node #0,1,0: 74:[15, 87] Operation: 89-2=87 Exploring Operation: 89-15=74, Resulting Numbers: [2, 74] Generated Node #0,1,1: 74:[2, 74] Operation: 89-15=74 Exploring Operation: 2*15=30, Resulting Numbers: [89, 30] Generated Node #0,1,2: 74:[89, 30] Operation: 2*15=30 Exploring Operation: 15-2=13, Resulting Numbers: [89, 13] Generated Node #0,1,3: 74:[89, 13] Operation: 15-2=13 Moving to Node #0,1,1 Current State: 74:[2, 74], Operations: ['90-75=15', '89-15=74'] Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,74 unequal: No Solution Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,74 unequal: No Solution Exploring Operation: 2+74=76, Resulting Numbers: [76] 76,74 unequal: No Solution Exploring Operation: 2*74=148, Resulting Numbers: [148] 148,74 unequal: No Solution Moving to Node #0,2,0 Current State: 74:[2, 76], Operations: ['89-75=14', '90-14=76'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 2+76=78, Resulting Numbers: [78] 78,74 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[75, 89, 2, 90], Operations: [] Exploring Operation: 89-75=14, Resulting Numbers: [2, 90, 14] Generated Node #0,2: 74:[2, 90, 14] Operation: 89-75=14 Moving to Node #0,2 Current State: 74:[2, 90, 14], Operations: ['89-75=14'] Exploring Operation: 90-14=76, Resulting Numbers: [2, 76] Generated Node #0,2,0: 74:[2, 76] Operation: 90-14=76 Moving to Node #0,2,0 Current State: 74:[2, 76], Operations: ['89-75=14', '90-14=76'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
0.961806
hs_4
mult_heuristic
[ 14, 37, 44, 13 ]
17
[ "14*44=616", "13+616=629", "629/37=17" ]
Current State: 17:[14, 37, 44, 13], Operations: [] Exploring Operation: 14*44=616, Resulting Numbers: [37, 13, 616] Generated Node #2: [37, 13, 616] from Operation: 14*44=616 Current State: 17:[37, 13, 616], Operations: ['14*44=616'] Exploring Operation: 13+616=629, Resulting Numbers: [37, 629] Generated Node #3: [37, 629] from Operation: 13+616=629 Current State: 17:[37, 629], Operations: ['14*44=616', '13+616=629'] Exploring Operation: 629/37=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[14, 37, 44, 13], Operations: [] Exploring Operation: 44-37=7, Resulting Numbers: [14, 13, 7] Generated Node #0,0: 17:[14, 13, 7] Operation: 44-37=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[14, 13, 7], Operations: ['44-37=7'] Exploring Operation: 13+7=20, Resulting Numbers: [14, 20] Generated Node #0,0,0: 17:[14, 20] Operation: 13+7=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[14, 20], Operations: ['44-37=7', '13+7=20'] Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 25, 12, 61, 10 ]
31
[ "25*12=300", "300/10=30", "61-30=31" ]
Current State: 31:[25, 12, 61, 10], Operations: [] Exploring Operation: 25*12=300, Resulting Numbers: [61, 10, 300] Generated Node #2: [61, 10, 300] from Operation: 25*12=300 Current State: 31:[61, 10, 300], Operations: ['25*12=300'] Exploring Operation: 300/10=30, Resulting Numbers: [61, 30] Generated Node #3: [61, 30] from Operation: 300/10=30 Current State: 31:[61, 30], Operations: ['25*12=300', '300/10=30'] Exploring Operation: 61-30=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[25, 12, 61, 10], Operations: [] Exploring Operation: 61-25=36, Resulting Numbers: [12, 10, 36] Generated Node #0,0: 31:[12, 10, 36] Operation: 61-25=36 Exploring Operation: 61-12=49, Resulting Numbers: [25, 10, 49] Generated Node #0,1: 31:[25, 10, 49] Operation: 61-12=49 Moving to Node #0,0 Current State: 31:[12, 10, 36], Operations: ['61-25=36'] Exploring Operation: 36-10=26, Resulting Numbers: [12, 26] Generated Node #0,0,0: 31:[12, 26] Operation: 36-10=26 Exploring Operation: 12+10=22, Resulting Numbers: [36, 22] Generated Node #0,0,1: 31:[36, 22] Operation: 12+10=22 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 31:[36, 22], Operations: ['61-25=36', '12+10=22'] Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,31 unequal: No Solution Exploring Operation: 36+22=58, Resulting Numbers: [58] 58,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[12, 26], Operations: ['61-25=36', '36-10=26'] Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,31 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,31 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: 31:[25, 10, 49], Operations: ['61-12=49'] Exploring Operation: 25+10=35, Resulting Numbers: [49, 35] Generated Node #0,1,0: 31:[49, 35] Operation: 25+10=35 Exploring Operation: 49-10=39, Resulting Numbers: [25, 39] Generated Node #0,1,1: 31:[25, 39] Operation: 49-10=39 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 31:[25, 39], Operations: ['61-12=49', '49-10=39'] Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,31 unequal: No Solution Exploring Operation: 25+39=64, Resulting Numbers: [64] 64,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 31:[49, 35], Operations: ['61-12=49', '25+10=35'] Exploring Operation: 49+35=84, Resulting Numbers: [84] 84,31 unequal: No Solution Exploring Operation: 49-35=14, Resulting Numbers: [14] 14,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 7, 22, 13, 13 ]
15
[ "7*22=154", "13*13=169", "169-154=15" ]
Current State: 15:[7, 22, 13, 13], Operations: [] Exploring Operation: 7*22=154, Resulting Numbers: [13, 13, 154] Generated Node #2: [13, 13, 154] from Operation: 7*22=154 Current State: 15:[13, 13, 154], Operations: ['7*22=154'] Exploring Operation: 13*13=169, Resulting Numbers: [154, 169] Generated Node #3: [154, 169] from Operation: 13*13=169 Current State: 15:[154, 169], Operations: ['7*22=154', '13*13=169'] Exploring Operation: 169-154=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[7, 22, 13, 13], Operations: [] Exploring Operation: 22-13=9, Resulting Numbers: [7, 13, 9] Generated Node #0,0: 15:[7, 13, 9] Operation: 22-13=9 Exploring Operation: 13-7=6, Resulting Numbers: [22, 13, 6] Generated Node #0,1: 15:[22, 13, 6] Operation: 13-7=6 Exploring Operation: 22-13=9, Resulting Numbers: [7, 13, 9] Generated Node #0,2: 15:[7, 13, 9] Operation: 22-13=9 Exploring Operation: 22-7=15, Resulting Numbers: [13, 13, 15] Generated Node #0,3: 15:[13, 13, 15] Operation: 22-7=15 Moving to Node #0,3 Current State: 15:[13, 13, 15], Operations: ['22-7=15'] Exploring Operation: 13-13=0, Resulting Numbers: [15, 0] Generated Node #0,3,0: 15:[15, 0] Operation: 13-13=0 Exploring Operation: 13/13=1, Resulting Numbers: [15, 1] Generated Node #0,3,1: 15:[15, 1] Operation: 13/13=1 Exploring Operation: 15-13=2, Resulting Numbers: [13, 2] Generated Node #0,3,2: 15:[13, 2] Operation: 15-13=2 Exploring Operation: 15-13=2, Resulting Numbers: [13, 2] Generated Node #0,3,3: 15:[13, 2] Operation: 15-13=2 Moving to Node #0,2 Current State: 15:[7, 13, 9], Operations: ['22-13=9'] Exploring Operation: 13-7=6, Resulting Numbers: [9, 6] Generated Node #0,2,0: 15:[9, 6] Operation: 13-7=6 Exploring Operation: 7+9=16, Resulting Numbers: [13, 16] Generated Node #0,2,1: 15:[13, 16] Operation: 7+9=16 Exploring Operation: 13-9=4, Resulting Numbers: [7, 4] Generated Node #0,2,2: 15:[7, 4] Operation: 13-9=4 Exploring Operation: 9-7=2, Resulting Numbers: [13, 2] Generated Node #0,2,3: 15:[13, 2] Operation: 9-7=2 Moving to Node #0,0 Current State: 15:[7, 13, 9], Operations: ['22-13=9'] Exploring Operation: 13-7=6, Resulting Numbers: [9, 6] Generated Node #0,0,0: 15:[9, 6] Operation: 13-7=6 Exploring Operation: 7+9=16, Resulting Numbers: [13, 16] Generated Node #0,0,1: 15:[13, 16] Operation: 7+9=16 Exploring Operation: 9-7=2, Resulting Numbers: [13, 2] Generated Node #0,0,2: 15:[13, 2] Operation: 9-7=2 Exploring Operation: 13-9=4, Resulting Numbers: [7, 4] Generated Node #0,0,3: 15:[7, 4] Operation: 13-9=4 Moving to Node #0,1 Current State: 15:[22, 13, 6], Operations: ['13-7=6'] Exploring Operation: 13-6=7, Resulting Numbers: [22, 7] Generated Node #0,1,0: 15:[22, 7] Operation: 13-6=7 Exploring Operation: 13+6=19, Resulting Numbers: [22, 19] Generated Node #0,1,1: 15:[22, 19] Operation: 13+6=19 Exploring Operation: 22-6=16, Resulting Numbers: [13, 16] Generated Node #0,1,2: 15:[13, 16] Operation: 22-6=16 Exploring Operation: 22-13=9, Resulting Numbers: [6, 9] Generated Node #0,1,3: 15:[6, 9] Operation: 22-13=9 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 15:[13, 16], Operations: ['13-7=6', '22-6=16'] Exploring Operation: 16-13=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 13+16=29, Resulting Numbers: [29] 29,15 unequal: No Solution Exploring Operation: 13*16=208, Resulting Numbers: [208] 208,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 15:[6, 9], Operations: ['13-7=6', '22-13=9'] Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 6+9=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[7, 22, 13, 13], Operations: [] Exploring Operation: 13-7=6, Resulting Numbers: [22, 13, 6] Generated Node #0,1: 15:[22, 13, 6] Operation: 13-7=6 Moving to Node #0,1 Current State: 15:[22, 13, 6], Operations: ['13-7=6'] Exploring Operation: 22-13=9, Resulting Numbers: [6, 9] Generated Node #0,1,3: 15:[6, 9] Operation: 22-13=9 Moving to Node #0,1,3 Current State: 15:[6, 9], Operations: ['13-7=6', '22-13=9'] Exploring Operation: 6+9=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_4
sum_heuristic
[ 19, 11, 30, 5 ]
66
[ "30-19=11", "11*5=55", "11+55=66" ]
Current State: 66:[19, 11, 30, 5], Operations: [] Exploring Operation: 30-19=11, Resulting Numbers: [11, 5, 11] Generated Node #2: [11, 5, 11] from Operation: 30-19=11 Current State: 66:[11, 5, 11], Operations: ['30-19=11'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,66 equal: Goal Reached Exploring Operation: 11+55=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[19, 11, 30, 5], Operations: [] Exploring Operation: 19-11=8, Resulting Numbers: [30, 5, 8] Generated Node #0,0: 66:[30, 5, 8] Operation: 19-11=8 Exploring Operation: 19+5=24, Resulting Numbers: [11, 30, 24] Generated Node #0,1: 66:[11, 30, 24] Operation: 19+5=24 Exploring Operation: 30+5=35, Resulting Numbers: [19, 11, 35] Generated Node #0,2: 66:[19, 11, 35] Operation: 30+5=35 Exploring Operation: 30-19=11, Resulting Numbers: [11, 5, 11] Generated Node #0,3: 66:[11, 5, 11] Operation: 30-19=11 Exploring Operation: 30/5=6, Resulting Numbers: [19, 11, 6] Generated Node #0,4: 66:[19, 11, 6] Operation: 30/5=6 Moving to Node #0,3 Current State: 66:[11, 5, 11], Operations: ['30-19=11'] Exploring Operation: 11-5=6, Resulting Numbers: [11, 6] Generated Node #0,3,0: 66:[11, 6] Operation: 11-5=6 Exploring Operation: 11-5=6, Resulting Numbers: [11, 6] Generated Node #0,3,1: 66:[11, 6] Operation: 11-5=6 Exploring Operation: 11/11=1, Resulting Numbers: [5, 1] Generated Node #0,3,2: 66:[5, 1] Operation: 11/11=1 Exploring Operation: 11-11=0, Resulting Numbers: [5, 0] Generated Node #0,3,3: 66:[5, 0] Operation: 11-11=0 Exploring Operation: 11+11=22, Resulting Numbers: [5, 22] Generated Node #0,3,4: 66:[5, 22] Operation: 11+11=22 Moving to Node #0,4 Current State: 66:[19, 11, 6], Operations: ['30/5=6'] Exploring Operation: 19-6=13, Resulting Numbers: [11, 13] Generated Node #0,4,0: 66:[11, 13] Operation: 19-6=13 Exploring Operation: 19+11=30, Resulting Numbers: [6, 30] Generated Node #0,4,1: 66:[6, 30] Operation: 19+11=30 Exploring Operation: 19+6=25, Resulting Numbers: [11, 25] Generated Node #0,4,2: 66:[11, 25] Operation: 19+6=25 Exploring Operation: 11*6=66, Resulting Numbers: [19, 66] Generated Node #0,4,3: 66:[19, 66] Operation: 11*6=66 Exploring Operation: 19-11=8, Resulting Numbers: [6, 8] Generated Node #0,4,4: 66:[6, 8] Operation: 19-11=8 Moving to Node #0,1 Current State: 66:[11, 30, 24], Operations: ['19+5=24'] Exploring Operation: 30-24=6, Resulting Numbers: [11, 6] Generated Node #0,1,0: 66:[11, 6] Operation: 30-24=6 Exploring Operation: 30-11=19, Resulting Numbers: [24, 19] Generated Node #0,1,1: 66:[24, 19] Operation: 30-11=19 Exploring Operation: 11+30=41, Resulting Numbers: [24, 41] Generated Node #0,1,2: 66:[24, 41] Operation: 11+30=41 Exploring Operation: 11+24=35, Resulting Numbers: [30, 35] Generated Node #0,1,3: 66:[30, 35] Operation: 11+24=35 Exploring Operation: 24-11=13, Resulting Numbers: [30, 13] Generated Node #0,1,4: 66:[30, 13] Operation: 24-11=13 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 66:[11, 6], Operations: ['19+5=24', '30-24=6'] Exploring Operation: 11+6=17, Resulting Numbers: [17] 17,66 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,66 unequal: No Solution Exploring Operation: 11*6=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[19, 11, 30, 5], Operations: [] Exploring Operation: 19+5=24, Resulting Numbers: [11, 30, 24] Generated Node #0,1: 66:[11, 30, 24] Operation: 19+5=24 Moving to Node #0,1 Current State: 66:[11, 30, 24], Operations: ['19+5=24'] Exploring Operation: 30-24=6, Resulting Numbers: [11, 6] Generated Node #0,1,0: 66:[11, 6] Operation: 30-24=6 Moving to Node #0,1,0 Current State: 66:[11, 6], Operations: ['19+5=24', '30-24=6'] Exploring Operation: 11*6=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_5
sum_heuristic
[ 67, 78, 76, 22 ]
12
[ "67+76=143", "78*22=1716", "1716/143=12" ]
Current State: 12:[67, 78, 76, 22], Operations: [] Exploring Operation: 67+76=143, Resulting Numbers: [78, 22, 143] Generated Node #2: [78, 22, 143] from Operation: 67+76=143 Current State: 12:[78, 22, 143], Operations: ['67+76=143'] Exploring Operation: 78*22=1716, Resulting Numbers: [143, 1716] Generated Node #3: [143, 1716] from Operation: 78*22=1716 Current State: 12:[143, 1716], Operations: ['67+76=143', '78*22=1716'] Exploring Operation: 1716/143=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[67, 78, 76, 22], Operations: [] Exploring Operation: 78-76=2, Resulting Numbers: [67, 22, 2] Generated Node #0,0: 12:[67, 22, 2] Operation: 78-76=2 Exploring Operation: 76-67=9, Resulting Numbers: [78, 22, 9] Generated Node #0,1: 12:[78, 22, 9] Operation: 76-67=9 Exploring Operation: 78-67=11, Resulting Numbers: [76, 22, 11] Generated Node #0,2: 12:[76, 22, 11] Operation: 78-67=11 Exploring Operation: 67-22=45, Resulting Numbers: [78, 76, 45] Generated Node #0,3: 12:[78, 76, 45] Operation: 67-22=45 Moving to Node #0,0 Current State: 12:[67, 22, 2], Operations: ['78-76=2'] Exploring Operation: 22/2=11, Resulting Numbers: [67, 11] Generated Node #0,0,0: 12:[67, 11] Operation: 22/2=11 Exploring Operation: 22-2=20, Resulting Numbers: [67, 20] Generated Node #0,0,1: 12:[67, 20] Operation: 22-2=20 Exploring Operation: 67-22=45, Resulting Numbers: [2, 45] Generated Node #0,0,2: 12:[2, 45] Operation: 67-22=45 Exploring Operation: 67-2=65, Resulting Numbers: [22, 65] Generated Node #0,0,3: 12:[22, 65] Operation: 67-2=65 Moving to Node #0,2 Current State: 12:[76, 22, 11], Operations: ['78-67=11'] Exploring Operation: 76-22=54, Resulting Numbers: [11, 54] Generated Node #0,2,0: 12:[11, 54] Operation: 76-22=54 Exploring Operation: 76-11=65, Resulting Numbers: [22, 65] Generated Node #0,2,1: 12:[22, 65] Operation: 76-11=65 Exploring Operation: 22-11=11, Resulting Numbers: [76, 11] Generated Node #0,2,2: 12:[76, 11] Operation: 22-11=11 Exploring Operation: 22/11=2, Resulting Numbers: [76, 2] Generated Node #0,2,3: 12:[76, 2] Operation: 22/11=2 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 12:[11, 54], Operations: ['78-67=11', '76-22=54'] Exploring Operation: 54-11=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 11*54=594, Resulting Numbers: [594] 594,12 unequal: No Solution Exploring Operation: 11+54=65, Resulting Numbers: [65] 65,12 unequal: No Solution No 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: 12:[22, 65], Operations: ['78-67=11', '76-11=65'] Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 22*65=1430, Resulting Numbers: [1430] 1430,12 unequal: No Solution Exploring Operation: 22+65=87, Resulting Numbers: [87] 87,12 unequal: No Solution No 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: 12:[76, 2], Operations: ['78-67=11', '22/11=2'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,12 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,12 unequal: No Solution Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,12 unequal: No Solution Exploring Operation: 76*2=152, Resulting Numbers: [152] 152,12 unequal: No Solution No 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: 12:[76, 11], Operations: ['78-67=11', '22-11=11'] Exploring Operation: 76*11=836, Resulting Numbers: [836] 836,12 unequal: No Solution Exploring Operation: 76-11=65, Resulting Numbers: [65] 65,12 unequal: No Solution Exploring Operation: 76+11=87, Resulting Numbers: [87] 87,12 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: 12:[78, 22, 9], Operations: ['76-67=9'] Exploring Operation: 22-9=13, Resulting Numbers: [78, 13] Generated Node #0,1,0: 12:[78, 13] Operation: 22-9=13 Exploring Operation: 78-9=69, Resulting Numbers: [22, 69] Generated Node #0,1,1: 12:[22, 69] Operation: 78-9=69 Exploring Operation: 78+9=87, Resulting Numbers: [22, 87] Generated Node #0,1,2: 12:[22, 87] Operation: 78+9=87 Exploring Operation: 78-22=56, Resulting Numbers: [9, 56] Generated Node #0,1,3: 12:[9, 56] Operation: 78-22=56 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 12:[9, 56], Operations: ['76-67=9', '78-22=56'] Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,12 unequal: No Solution Exploring Operation: 9*56=504, Resulting Numbers: [504] 504,12 unequal: No Solution Exploring Operation: 9+56=65, Resulting Numbers: [65] 65,12 unequal: No Solution No 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: 12:[78, 13], Operations: ['76-67=9', '22-9=13'] Exploring Operation: 78+13=91, Resulting Numbers: [91] 91,12 unequal: No Solution Exploring Operation: 78-13=65, Resulting Numbers: [65] 65,12 unequal: No Solution Exploring Operation: 78*13=1014, Resulting Numbers: [1014] 1014,12 unequal: No Solution Exploring Operation: 78/13=6, Resulting Numbers: [6] 6,12 unequal: No Solution No 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: 12:[22, 69], Operations: ['76-67=9', '78-9=69'] Exploring Operation: 69-22=47, Resulting Numbers: [47] 47,12 unequal: No Solution Exploring Operation: 22*69=1518, Resulting Numbers: [1518] 1518,12 unequal: No Solution Exploring Operation: 22+69=91, Resulting Numbers: [91] 91,12 unequal: No Solution No 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: 12:[22, 87], Operations: ['76-67=9', '78+9=87'] Exploring Operation: 87-22=65, Resulting Numbers: [65] 65,12 unequal: No Solution Exploring Operation: 22+87=109, Resulting Numbers: [109] 109,12 unequal: No Solution Exploring Operation: 22*87=1914, Resulting Numbers: [1914] 1914,12 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: 12:[78, 76, 45], Operations: ['67-22=45'] Exploring Operation: 78-45=33, Resulting Numbers: [76, 33] Generated Node #0,3,0: 12:[76, 33] Operation: 78-45=33 Exploring Operation: 76-45=31, Resulting Numbers: [78, 31] Generated Node #0,3,1: 12:[78, 31] Operation: 76-45=31 Exploring Operation: 78+76=154, Resulting Numbers: [45, 154] Generated Node #0,3,2: 12:[45, 154] Operation: 78+76=154 Exploring Operation: 78-76=2, Resulting Numbers: [45, 2] Generated Node #0,3,3: 12:[45, 2] Operation: 78-76=2 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 12:[45, 2], Operations: ['67-22=45', '78-76=2'] Exploring Operation: 45+2=47, Resulting Numbers: [47] 47,12 unequal: No Solution Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,12 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,12 unequal: No Solution No 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: 12:[76, 33], Operations: ['67-22=45', '78-45=33'] Exploring Operation: 76-33=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 76*33=2508, Resulting Numbers: [2508] 2508,12 unequal: No Solution Exploring Operation: 76+33=109, Resulting Numbers: [109] 109,12 unequal: No Solution No 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: 12:[78, 31], Operations: ['67-22=45', '76-45=31'] Exploring Operation: 78-31=47, Resulting Numbers: [47] 47,12 unequal: No Solution Exploring Operation: 78*31=2418, Resulting Numbers: [2418] 2418,12 unequal: No Solution Exploring Operation: 78+31=109, Resulting Numbers: [109] 109,12 unequal: No Solution No 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: 12:[45, 154], Operations: ['67-22=45', '78+76=154'] Exploring Operation: 154-45=109, Resulting Numbers: [109] 109,12 unequal: No Solution Exploring Operation: 45+154=199, Resulting Numbers: [199] 199,12 unequal: No Solution Exploring Operation: 45*154=6930, Resulting Numbers: [6930] 6930,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 12:[2, 45], Operations: ['78-76=2', '67-22=45'] Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,12 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,12 unequal: No Solution Moving to Node #0,0,0 Current State: 12:[67, 11], Operations: ['78-76=2', '22/2=11'] Exploring Operation: 67-11=56, Resulting Numbers: [56] 56,12 unequal: No Solution Exploring Operation: 67*11=737, Resulting Numbers: [737] 737,12 unequal: No Solution Exploring Operation: 67+11=78, Resulting Numbers: [78] 78,12 unequal: No Solution Moving to Node #0,0,3 Current State: 12:[22, 65], Operations: ['78-76=2', '67-2=65'] Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 22+65=87, Resulting Numbers: [87] 87,12 unequal: No Solution Exploring Operation: 22*65=1430, Resulting Numbers: [1430] 1430,12 unequal: No Solution Moving to Node #0,0,1 Current State: 12:[67, 20], Operations: ['78-76=2', '22-2=20'] Exploring Operation: 67*20=1340, Resulting Numbers: [1340] 1340,12 unequal: No Solution Exploring Operation: 67+20=87, Resulting Numbers: [87] 87,12 unequal: No Solution Exploring Operation: 67-20=47, Resulting Numbers: [47] 47,12 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 96, 59, 2, 81 ]
42
[ "96-59=37", "81-2=79", "79-37=42" ]
Current State: 42:[96, 59, 2, 81], Operations: [] Exploring Operation: 96-59=37, Resulting Numbers: [2, 81, 37] Generated Node #2: [2, 81, 37] from Operation: 96-59=37 Current State: 42:[2, 81, 37], Operations: ['96-59=37'] Exploring Operation: 81-2=79, Resulting Numbers: [37, 79] Generated Node #3: [37, 79] from Operation: 81-2=79 Current State: 42:[37, 79], Operations: ['96-59=37', '81-2=79'] Exploring Operation: 79-37=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[96, 59, 2, 81], Operations: [] Exploring Operation: 96-81=15, Resulting Numbers: [59, 2, 15] Generated Node #0,0: 42:[59, 2, 15] Operation: 96-81=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[59, 2, 15], Operations: ['96-81=15'] 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: ['96-81=15', '59-15=44'] Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[96, 59, 2, 81], Operations: [] Exploring Operation: 96-81=15, Resulting Numbers: [59, 2, 15] Generated Node #0,0: 42:[59, 2, 15] Operation: 96-81=15 Moving to Node #0,0 Current State: 42:[59, 2, 15], Operations: ['96-81=15'] 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: ['96-81=15', '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
[ 91, 59, 29, 17 ]
14
[ "91-59=32", "29+17=46", "46-32=14" ]
Current State: 14:[91, 59, 29, 17], Operations: [] Exploring Operation: 91-59=32, Resulting Numbers: [29, 17, 32] Generated Node #2: [29, 17, 32] from Operation: 91-59=32 Current State: 14:[29, 17, 32], Operations: ['91-59=32'] Exploring Operation: 29+17=46, Resulting Numbers: [32, 46] Generated Node #3: [32, 46] from Operation: 29+17=46 Current State: 14:[32, 46], Operations: ['91-59=32', '29+17=46'] Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[91, 59, 29, 17], Operations: [] Exploring Operation: 91-29=62, Resulting Numbers: [59, 17, 62] Generated Node #0,0: 14:[59, 17, 62] Operation: 91-29=62 Exploring Operation: 91-59=32, Resulting Numbers: [29, 17, 32] Generated Node #0,1: 14:[29, 17, 32] Operation: 91-59=32 Exploring Operation: 59-29=30, Resulting Numbers: [91, 17, 30] Generated Node #0,2: 14:[91, 17, 30] Operation: 59-29=30 Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[29, 17, 32], Operations: ['91-59=32'] Exploring Operation: 32-29=3, Resulting Numbers: [17, 3] Generated Node #0,1,0: 14:[17, 3] Operation: 32-29=3 Exploring Operation: 29-17=12, Resulting Numbers: [32, 12] Generated Node #0,1,1: 14:[32, 12] Operation: 29-17=12 Exploring Operation: 32-17=15, Resulting Numbers: [29, 15] Generated Node #0,1,2: 14:[29, 15] Operation: 32-17=15 Moving to Node #0,1,0 Current State: 14:[17, 3], Operations: ['91-59=32', '32-29=3'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[91, 59, 29, 17], Operations: [] Exploring Operation: 91-59=32, Resulting Numbers: [29, 17, 32] Generated Node #0,1: 14:[29, 17, 32] Operation: 91-59=32 Moving to Node #0,1 Current State: 14:[29, 17, 32], Operations: ['91-59=32'] Exploring Operation: 32-29=3, Resulting Numbers: [17, 3] Generated Node #0,1,0: 14:[17, 3] Operation: 32-29=3 Moving to Node #0,1,0 Current State: 14:[17, 3], Operations: ['91-59=32', '32-29=3'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 32, 16, 30, 39 ]
98
[ "39-32=7", "30-16=14", "7*14=98" ]
Current State: 98:[32, 16, 30, 39], Operations: [] Exploring Operation: 39-32=7, Resulting Numbers: [16, 30, 7] Generated Node #2: [16, 30, 7] from Operation: 39-32=7 Current State: 98:[16, 30, 7], Operations: ['39-32=7'] Exploring Operation: 30-16=14, Resulting Numbers: [7, 14] Generated Node #3: [7, 14] from Operation: 30-16=14 Current State: 98:[7, 14], Operations: ['39-32=7', '30-16=14'] Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[32, 16, 30, 39], Operations: [] Exploring Operation: 39-32=7, Resulting Numbers: [16, 30, 7] Generated Node #0,0: 98:[16, 30, 7] Operation: 39-32=7 Exploring Operation: 32-30=2, Resulting Numbers: [16, 39, 2] Generated Node #0,1: 98:[16, 39, 2] Operation: 32-30=2 Exploring Operation: 39-30=9, Resulting Numbers: [32, 16, 9] Generated Node #0,2: 98:[32, 16, 9] Operation: 39-30=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[16, 39, 2], Operations: ['32-30=2'] Exploring Operation: 16-2=14, Resulting Numbers: [39, 14] Generated Node #0,1,0: 98:[39, 14] Operation: 16-2=14 Exploring Operation: 39-16=23, Resulting Numbers: [2, 23] Generated Node #0,1,1: 98:[2, 23] Operation: 39-16=23 Exploring Operation: 16+39=55, Resulting Numbers: [2, 55] Generated Node #0,1,2: 98:[2, 55] Operation: 16+39=55 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[2, 55], Operations: ['32-30=2', '16+39=55'] Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,98 unequal: No Solution Exploring Operation: 2*55=110, Resulting Numbers: [110] 110,98 unequal: No Solution Exploring Operation: 2+55=57, Resulting Numbers: [57] 57,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[2, 23], Operations: ['32-30=2', '39-16=23'] Exploring Operation: 2*23=46, Resulting Numbers: [46] 46,98 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,98 unequal: No Solution Exploring Operation: 2+23=25, Resulting Numbers: [25] 25,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[39, 14], Operations: ['32-30=2', '16-2=14'] Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 39*14=546, Resulting Numbers: [546] 546,98 unequal: No Solution Exploring Operation: 39+14=53, Resulting Numbers: [53] 53,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[16, 30, 7], Operations: ['39-32=7'] Exploring Operation: 30-16=14, Resulting Numbers: [7, 14] Generated Node #0,0,0: 98:[7, 14] Operation: 30-16=14 Exploring Operation: 30-7=23, Resulting Numbers: [16, 23] Generated Node #0,0,1: 98:[16, 23] Operation: 30-7=23 Exploring Operation: 16+30=46, Resulting Numbers: [7, 46] Generated Node #0,0,2: 98:[7, 46] Operation: 16+30=46 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[7, 14], Operations: ['39-32=7', '30-16=14'] Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[32, 16, 30, 39], Operations: [] Exploring Operation: 39-32=7, Resulting Numbers: [16, 30, 7] Generated Node #0,0: 98:[16, 30, 7] Operation: 39-32=7 Moving to Node #0,0 Current State: 98:[16, 30, 7], Operations: ['39-32=7'] Exploring Operation: 30-16=14, Resulting Numbers: [7, 14] Generated Node #0,0,0: 98:[7, 14] Operation: 30-16=14 Moving to Node #0,0,0 Current State: 98:[7, 14], Operations: ['39-32=7', '30-16=14'] Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic