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
[ 13, 60, 24, 86 ]
11
[ "13+60=73", "86-24=62", "73-62=11" ]
Current State: 11:[13, 60, 24, 86], Operations: [] Exploring Operation: 13+60=73, Resulting Numbers: [24, 86, 73] Generated Node #2: [24, 86, 73] from Operation: 13+60=73 Current State: 11:[24, 86, 73], Operations: ['13+60=73'] Exploring Operation: 86-24=62, Resulting Numbers: [73, 62] Generated Node #3: [73, 62] from Operation: 86-24=62 Current State: 11:[73, 62], Operations: ['13+60=73', '86-24=62'] Exploring Operation: 73-62=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[13, 60, 24, 86], Operations: [] Exploring Operation: 86-24=62, Resulting Numbers: [13, 60, 62] Generated Node #0,0: 11:[13, 60, 62] Operation: 86-24=62 Exploring Operation: 86-60=26, Resulting Numbers: [13, 24, 26] Generated Node #0,1: 11:[13, 24, 26] Operation: 86-60=26 Exploring Operation: 60-13=47, Resulting Numbers: [24, 86, 47] Generated Node #0,2: 11:[24, 86, 47] Operation: 60-13=47 Exploring Operation: 60-24=36, Resulting Numbers: [13, 86, 36] Generated Node #0,3: 11:[13, 86, 36] Operation: 60-24=36 Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[13, 24, 26], Operations: ['86-60=26'] Exploring Operation: 24-13=11, Resulting Numbers: [26, 11] Generated Node #0,1,0: 11:[26, 11] Operation: 24-13=11 Exploring Operation: 26/13=2, Resulting Numbers: [24, 2] Generated Node #0,1,1: 11:[24, 2] Operation: 26/13=2 Exploring Operation: 26-13=13, Resulting Numbers: [24, 13] Generated Node #0,1,2: 11:[24, 13] Operation: 26-13=13 Exploring Operation: 26-24=2, Resulting Numbers: [13, 2] Generated Node #0,1,3: 11:[13, 2] Operation: 26-24=2 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 11:[13, 2], Operations: ['86-60=26', '26-24=2'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[13, 60, 24, 86], Operations: [] Exploring Operation: 86-60=26, Resulting Numbers: [13, 24, 26] Generated Node #0,1: 11:[13, 24, 26] Operation: 86-60=26 Moving to Node #0,1 Current State: 11:[13, 24, 26], Operations: ['86-60=26'] Exploring Operation: 26-24=2, Resulting Numbers: [13, 2] Generated Node #0,1,3: 11:[13, 2] Operation: 26-24=2 Moving to Node #0,1,3 Current State: 11:[13, 2], Operations: ['86-60=26', '26-24=2'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 91, 52, 13, 32 ]
20
[ "91-52=39", "32-13=19", "39-19=20" ]
Current State: 20:[91, 52, 13, 32], Operations: [] Exploring Operation: 91-52=39, Resulting Numbers: [13, 32, 39] Generated Node #2: [13, 32, 39] from Operation: 91-52=39 Current State: 20:[13, 32, 39], Operations: ['91-52=39'] Exploring Operation: 32-13=19, Resulting Numbers: [39, 19] Generated Node #3: [39, 19] from Operation: 32-13=19 Current State: 20:[39, 19], Operations: ['91-52=39', '32-13=19'] Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[91, 52, 13, 32], Operations: [] Exploring Operation: 91-32=59, Resulting Numbers: [52, 13, 59] Generated Node #0,0: 20:[52, 13, 59] Operation: 91-32=59 Exploring Operation: 91-52=39, Resulting Numbers: [13, 32, 39] Generated Node #0,1: 20:[13, 32, 39] Operation: 91-52=39 Exploring Operation: 91/13=7, Resulting Numbers: [52, 32, 7] Generated Node #0,2: 20:[52, 32, 7] Operation: 91/13=7 Exploring Operation: 52-32=20, Resulting Numbers: [91, 13, 20] Generated Node #0,3: 20:[91, 13, 20] Operation: 52-32=20 Moving to Node #0,1 Current State: 20:[13, 32, 39], Operations: ['91-52=39'] Exploring Operation: 39-32=7, Resulting Numbers: [13, 7] Generated Node #0,1,0: 20:[13, 7] Operation: 39-32=7 Exploring Operation: 39/13=3, Resulting Numbers: [32, 3] Generated Node #0,1,1: 20:[32, 3] Operation: 39/13=3 Exploring Operation: 39-13=26, Resulting Numbers: [32, 26] Generated Node #0,1,2: 20:[32, 26] Operation: 39-13=26 Exploring Operation: 32-13=19, Resulting Numbers: [39, 19] Generated Node #0,1,3: 20:[39, 19] Operation: 32-13=19 Moving to Node #0,2 Current State: 20:[52, 32, 7], Operations: ['91/13=7'] Exploring Operation: 32-7=25, Resulting Numbers: [52, 25] Generated Node #0,2,0: 20:[52, 25] Operation: 32-7=25 Exploring Operation: 52-7=45, Resulting Numbers: [32, 45] Generated Node #0,2,1: 20:[32, 45] Operation: 52-7=45 Exploring Operation: 52-32=20, Resulting Numbers: [7, 20] Generated Node #0,2,2: 20:[7, 20] Operation: 52-32=20 Exploring Operation: 52+7=59, Resulting Numbers: [32, 59] Generated Node #0,2,3: 20:[32, 59] Operation: 52+7=59 Moving to Node #0,3 Current State: 20:[91, 13, 20], Operations: ['52-32=20'] Exploring Operation: 91/13=7, Resulting Numbers: [20, 7] Generated Node #0,3,0: 20:[20, 7] Operation: 91/13=7 Exploring Operation: 91-13=78, Resulting Numbers: [20, 78] Generated Node #0,3,1: 20:[20, 78] Operation: 91-13=78 Exploring Operation: 20-13=7, Resulting Numbers: [91, 7] Generated Node #0,3,2: 20:[91, 7] Operation: 20-13=7 Exploring Operation: 91-20=71, Resulting Numbers: [13, 71] Generated Node #0,3,3: 20:[13, 71] Operation: 91-20=71 Moving to Node #0,0 Current State: 20:[52, 13, 59], Operations: ['91-32=59'] Exploring Operation: 52/13=4, Resulting Numbers: [59, 4] Generated Node #0,0,0: 20:[59, 4] Operation: 52/13=4 Exploring Operation: 59-13=46, Resulting Numbers: [52, 46] Generated Node #0,0,1: 20:[52, 46] Operation: 59-13=46 Exploring Operation: 59-52=7, Resulting Numbers: [13, 7] Generated Node #0,0,2: 20:[13, 7] Operation: 59-52=7 Exploring Operation: 52-13=39, Resulting Numbers: [59, 39] Generated Node #0,0,3: 20:[59, 39] Operation: 52-13=39 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 20:[13, 7], Operations: ['91-32=59', '59-52=7'] Exploring Operation: 13*7=91, Resulting Numbers: [91] 91,20 unequal: No Solution Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 13+7=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[91, 52, 13, 32], Operations: [] Exploring Operation: 91-32=59, Resulting Numbers: [52, 13, 59] Generated Node #0,0: 20:[52, 13, 59] Operation: 91-32=59 Moving to Node #0,0 Current State: 20:[52, 13, 59], Operations: ['91-32=59'] Exploring Operation: 59-52=7, Resulting Numbers: [13, 7] Generated Node #0,0,2: 20:[13, 7] Operation: 59-52=7 Moving to Node #0,0,2 Current State: 20:[13, 7], Operations: ['91-32=59', '59-52=7'] Exploring Operation: 13+7=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_4
mult_heuristic
[ 86, 9, 40, 94 ]
32
[ "94-86=8", "9*8=72", "72-40=32" ]
Current State: 32:[86, 9, 40, 94], Operations: [] Exploring Operation: 94-86=8, Resulting Numbers: [9, 40, 8] Generated Node #2: [9, 40, 8] from Operation: 94-86=8 Current State: 32:[9, 40, 8], Operations: ['94-86=8'] Exploring Operation: 9*8=72, Resulting Numbers: [40, 72] Generated Node #3: [40, 72] from Operation: 9*8=72 Current State: 32:[40, 72], Operations: ['94-86=8', '9*8=72'] Exploring Operation: 72-40=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[86, 9, 40, 94], Operations: [] Exploring Operation: 86-9=77, Resulting Numbers: [40, 94, 77] Generated Node #0,0: 32:[40, 94, 77] Operation: 86-9=77 Exploring Operation: 86-40=46, Resulting Numbers: [9, 94, 46] Generated Node #0,1: 32:[9, 94, 46] Operation: 86-40=46 Exploring Operation: 94-40=54, Resulting Numbers: [86, 9, 54] Generated Node #0,2: 32:[86, 9, 54] Operation: 94-40=54 Exploring Operation: 94-86=8, Resulting Numbers: [9, 40, 8] Generated Node #0,3: 32:[9, 40, 8] Operation: 94-86=8 Moving to Node #0,3 Current State: 32:[9, 40, 8], Operations: ['94-86=8'] Exploring Operation: 9+8=17, Resulting Numbers: [40, 17] Generated Node #0,3,0: 32:[40, 17] Operation: 9+8=17 Exploring Operation: 40-8=32, Resulting Numbers: [9, 32] Generated Node #0,3,1: 32:[9, 32] Operation: 40-8=32 Exploring Operation: 40-9=31, Resulting Numbers: [8, 31] Generated Node #0,3,2: 32:[8, 31] Operation: 40-9=31 Exploring Operation: 40/8=5, Resulting Numbers: [9, 5] Generated Node #0,3,3: 32:[9, 5] Operation: 40/8=5 Moving to Node #0,2 Current State: 32:[86, 9, 54], Operations: ['94-40=54'] Exploring Operation: 54/9=6, Resulting Numbers: [86, 6] Generated Node #0,2,0: 32:[86, 6] Operation: 54/9=6 Exploring Operation: 54-9=45, Resulting Numbers: [86, 45] Generated Node #0,2,1: 32:[86, 45] Operation: 54-9=45 Exploring Operation: 86-9=77, Resulting Numbers: [54, 77] Generated Node #0,2,2: 32:[54, 77] Operation: 86-9=77 Exploring Operation: 86-54=32, Resulting Numbers: [9, 32] Generated Node #0,2,3: 32:[9, 32] Operation: 86-54=32 Moving to Node #0,1 Current State: 32:[9, 94, 46], Operations: ['86-40=46'] Exploring Operation: 46-9=37, Resulting Numbers: [94, 37] Generated Node #0,1,0: 32:[94, 37] Operation: 46-9=37 Exploring Operation: 9+94=103, Resulting Numbers: [46, 103] Generated Node #0,1,1: 32:[46, 103] Operation: 9+94=103 Exploring Operation: 94-46=48, Resulting Numbers: [9, 48] Generated Node #0,1,2: 32:[9, 48] Operation: 94-46=48 Exploring Operation: 94-9=85, Resulting Numbers: [46, 85] Generated Node #0,1,3: 32:[46, 85] Operation: 94-9=85 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 32:[9, 48], Operations: ['86-40=46', '94-46=48'] Exploring Operation: 9*48=432, Resulting Numbers: [432] 432,32 unequal: No Solution Exploring Operation: 9+48=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 32:[94, 37], Operations: ['86-40=46', '46-9=37'] Exploring Operation: 94-37=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 94+37=131, Resulting Numbers: [131] 131,32 unequal: No Solution Exploring Operation: 94*37=3478, Resulting Numbers: [3478] 3478,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 32:[46, 85], Operations: ['86-40=46', '94-9=85'] Exploring Operation: 46+85=131, Resulting Numbers: [131] 131,32 unequal: No Solution Exploring Operation: 85-46=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 46*85=3910, Resulting Numbers: [3910] 3910,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 32:[46, 103], Operations: ['86-40=46', '9+94=103'] Exploring Operation: 103-46=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 46+103=149, Resulting Numbers: [149] 149,32 unequal: No Solution Exploring Operation: 46*103=4738, Resulting Numbers: [4738] 4738,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 32:[40, 94, 77], Operations: ['86-9=77'] Exploring Operation: 77-40=37, Resulting Numbers: [94, 37] Generated Node #0,0,0: 32:[94, 37] Operation: 77-40=37 Exploring Operation: 94-77=17, Resulting Numbers: [40, 17] Generated Node #0,0,1: 32:[40, 17] Operation: 94-77=17 Exploring Operation: 40+94=134, Resulting Numbers: [77, 134] Generated Node #0,0,2: 32:[77, 134] Operation: 40+94=134 Exploring Operation: 94-40=54, Resulting Numbers: [77, 54] Generated Node #0,0,3: 32:[77, 54] Operation: 94-40=54 Moving to Node #0,3,1 Current State: 32:[9, 32], Operations: ['94-86=8', '40-8=32'] Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,32 unequal: No Solution Exploring Operation: 9*32=288, Resulting Numbers: [288] 288,32 unequal: No Solution Exploring Operation: 9+32=41, Resulting Numbers: [41] 41,32 unequal: No Solution Moving to Node #0,3,2 Current State: 32:[8, 31], Operations: ['94-86=8', '40-9=31'] Exploring Operation: 8*31=248, Resulting Numbers: [248] 248,32 unequal: No Solution Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,32 unequal: No Solution Moving to Node #0,2,3 Current State: 32:[9, 32], Operations: ['94-40=54', '86-54=32'] Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,32 unequal: No Solution Exploring Operation: 9+32=41, Resulting Numbers: [41] 41,32 unequal: No Solution Exploring Operation: 9*32=288, Resulting Numbers: [288] 288,32 unequal: No Solution Moving to Node #0,3,3 Current State: 32:[9, 5], Operations: ['94-86=8', '40/8=5'] Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,32 unequal: No Solution Moving to Node #0,3,0 Current State: 32:[40, 17], Operations: ['94-86=8', '9+8=17'] Exploring Operation: 40-17=23, Resulting Numbers: [23] 23,32 unequal: No Solution Exploring Operation: 40*17=680, Resulting Numbers: [680] 680,32 unequal: No Solution Exploring Operation: 40+17=57, Resulting Numbers: [57] 57,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[40, 17], Operations: ['86-9=77', '94-77=17'] Exploring Operation: 40-17=23, Resulting Numbers: [23] 23,32 unequal: No Solution Exploring Operation: 40+17=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 40*17=680, Resulting Numbers: [680] 680,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[86, 6], Operations: ['94-40=54', '54/9=6'] Exploring Operation: 86-6=80, Resulting Numbers: [80] 80,32 unequal: No Solution Exploring Operation: 86+6=92, Resulting Numbers: [92] 92,32 unequal: No Solution Exploring Operation: 86*6=516, Resulting Numbers: [516] 516,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[94, 37], Operations: ['86-9=77', '77-40=37'] Exploring Operation: 94+37=131, Resulting Numbers: [131] 131,32 unequal: No Solution Exploring Operation: 94-37=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 94*37=3478, Resulting Numbers: [3478] 3478,32 unequal: No Solution Moving to Node #0,2,1 Current State: 32:[86, 45], Operations: ['94-40=54', '54-9=45'] Exploring Operation: 86-45=41, Resulting Numbers: [41] 41,32 unequal: No Solution Exploring Operation: 86+45=131, Resulting Numbers: [131] 131,32 unequal: No Solution Exploring Operation: 86*45=3870, Resulting Numbers: [3870] 3870,32 unequal: No Solution Moving to Node #0,0,3 Current State: 32:[77, 54], Operations: ['86-9=77', '94-40=54'] Exploring Operation: 77*54=4158, Resulting Numbers: [4158] 4158,32 unequal: No Solution Exploring Operation: 77+54=131, Resulting Numbers: [131] 131,32 unequal: No Solution Exploring Operation: 77-54=23, Resulting Numbers: [23] 23,32 unequal: No Solution Moving to Node #0,2,2 Current State: 32:[54, 77], Operations: ['94-40=54', '86-9=77'] Exploring Operation: 54*77=4158, Resulting Numbers: [4158] 4158,32 unequal: No Solution Exploring Operation: 54+77=131, Resulting Numbers: [131] 131,32 unequal: No Solution Exploring Operation: 77-54=23, Resulting Numbers: [23] 23,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[77, 134], Operations: ['86-9=77', '40+94=134'] Exploring Operation: 77+134=211, Resulting Numbers: [211] 211,32 unequal: No Solution Exploring Operation: 77*134=10318, Resulting Numbers: [10318] 10318,32 unequal: No Solution Exploring Operation: 134-77=57, Resulting Numbers: [57] 57,32 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 47, 46, 23, 82 ]
58
[ "47-46=1", "82-23=59", "59-1=58" ]
Current State: 58:[47, 46, 23, 82], Operations: [] Exploring Operation: 47-46=1, Resulting Numbers: [23, 82, 1] Generated Node #2: [23, 82, 1] from Operation: 47-46=1 Current State: 58:[23, 82, 1], Operations: ['47-46=1'] Exploring Operation: 82-23=59, Resulting Numbers: [1, 59] Generated Node #3: [1, 59] from Operation: 82-23=59 Current State: 58:[1, 59], Operations: ['47-46=1', '82-23=59'] Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[47, 46, 23, 82], Operations: [] Exploring Operation: 82-47=35, Resulting Numbers: [46, 23, 35] Generated Node #0,0: 58:[46, 23, 35] Operation: 82-47=35 Exploring Operation: 82-46=36, Resulting Numbers: [47, 23, 36] Generated Node #0,1: 58:[47, 23, 36] Operation: 82-46=36 Moving to Node #0,0 Current State: 58:[46, 23, 35], Operations: ['82-47=35'] Exploring Operation: 46/23=2, Resulting Numbers: [35, 2] Generated Node #0,0,0: 58:[35, 2] Operation: 46/23=2 Exploring Operation: 46-23=23, Resulting Numbers: [35, 23] Generated Node #0,0,1: 58:[35, 23] Operation: 46-23=23 Moving to Node #0,1 Current State: 58:[47, 23, 36], Operations: ['82-46=36'] Exploring Operation: 23+36=59, Resulting Numbers: [47, 59] Generated Node #0,1,0: 58:[47, 59] Operation: 23+36=59 Exploring Operation: 47-23=24, Resulting Numbers: [36, 24] Generated Node #0,1,1: 58:[36, 24] Operation: 47-23=24 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[47, 59], Operations: ['82-46=36', '23+36=59'] Exploring Operation: 47+59=106, Resulting Numbers: [106] 106,58 unequal: No Solution Exploring Operation: 59-47=12, Resulting Numbers: [12] 12,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[36, 24], Operations: ['82-46=36', '47-23=24'] Exploring Operation: 36+24=60, Resulting Numbers: [60] 60,58 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 58:[35, 2], Operations: ['82-47=35', '46/23=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[35, 23], Operations: ['82-47=35', '46-23=23'] Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,58 unequal: No Solution Exploring Operation: 35+23=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[47, 46, 23, 82], Operations: [] Exploring Operation: 82-47=35, Resulting Numbers: [46, 23, 35] Generated Node #0,0: 58:[46, 23, 35] Operation: 82-47=35 Moving to Node #0,0 Current State: 58:[46, 23, 35], Operations: ['82-47=35'] Exploring Operation: 46-23=23, Resulting Numbers: [35, 23] Generated Node #0,0,1: 58:[35, 23] Operation: 46-23=23 Moving to Node #0,0,1 Current State: 58:[35, 23], Operations: ['82-47=35', '46-23=23'] Exploring Operation: 35+23=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
0.984375
hs_2
sum_heuristic
[ 56, 18, 6, 97 ]
53
[ "56-18=38", "97-6=91", "91-38=53" ]
Current State: 53:[56, 18, 6, 97], Operations: [] Exploring Operation: 56-18=38, Resulting Numbers: [6, 97, 38] Generated Node #2: [6, 97, 38] from Operation: 56-18=38 Current State: 53:[6, 97, 38], Operations: ['56-18=38'] Exploring Operation: 97-6=91, Resulting Numbers: [38, 91] Generated Node #3: [38, 91] from Operation: 97-6=91 Current State: 53:[38, 91], Operations: ['56-18=38', '97-6=91'] Exploring Operation: 91-38=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[56, 18, 6, 97], Operations: [] Exploring Operation: 97-18=79, Resulting Numbers: [56, 6, 79] Generated Node #0,0: 53:[56, 6, 79] Operation: 97-18=79 Exploring Operation: 18+6=24, Resulting Numbers: [56, 97, 24] Generated Node #0,1: 53:[56, 97, 24] Operation: 18+6=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[56, 6, 79], Operations: ['97-18=79'] Exploring Operation: 79-6=73, Resulting Numbers: [56, 73] Generated Node #0,0,0: 53:[56, 73] Operation: 79-6=73 Exploring Operation: 56-6=50, Resulting Numbers: [79, 50] Generated Node #0,0,1: 53:[79, 50] Operation: 56-6=50 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[56, 73], Operations: ['97-18=79', '79-6=73'] Exploring Operation: 73-56=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 56+73=129, Resulting Numbers: [129] 129,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[79, 50], Operations: ['97-18=79', '56-6=50'] Exploring Operation: 79+50=129, Resulting Numbers: [129] 129,53 unequal: No Solution Exploring Operation: 79-50=29, Resulting Numbers: [29] 29,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[56, 97, 24], Operations: ['18+6=24'] Exploring Operation: 97-24=73, Resulting Numbers: [56, 73] Generated Node #0,1,0: 53:[56, 73] Operation: 97-24=73 Exploring Operation: 97-56=41, Resulting Numbers: [24, 41] Generated Node #0,1,1: 53:[24, 41] Operation: 97-56=41 Moving to Node #0,1,0 Current State: 53:[56, 73], Operations: ['18+6=24', '97-24=73'] Exploring Operation: 56+73=129, Resulting Numbers: [129] 129,53 unequal: No Solution Exploring Operation: 73-56=17, Resulting Numbers: [17] 17,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[24, 41], Operations: ['18+6=24', '97-56=41'] Exploring Operation: 41-24=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 24+41=65, Resulting Numbers: [65] 65,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 70, 96, 70, 14 ]
83
[ "70/70=1", "96-14=82", "1+82=83" ]
Current State: 83:[70, 96, 70, 14], Operations: [] Exploring Operation: 70/70=1, Resulting Numbers: [96, 14, 1] Generated Node #2: [96, 14, 1] from Operation: 70/70=1 Current State: 83:[96, 14, 1], Operations: ['70/70=1'] Exploring Operation: 96-14=82, Resulting Numbers: [1, 82] Generated Node #3: [1, 82] from Operation: 96-14=82 Current State: 83:[1, 82], Operations: ['70/70=1', '96-14=82'] Exploring Operation: 1+82=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[70, 96, 70, 14], Operations: [] Exploring Operation: 96+14=110, Resulting Numbers: [70, 70, 110] Generated Node #0,0: 83:[70, 70, 110] Operation: 96+14=110 Exploring Operation: 70+14=84, Resulting Numbers: [70, 96, 84] Generated Node #0,1: 83:[70, 96, 84] Operation: 70+14=84 Exploring Operation: 96-14=82, Resulting Numbers: [70, 70, 82] Generated Node #0,2: 83:[70, 70, 82] Operation: 96-14=82 Exploring Operation: 70+14=84, Resulting Numbers: [96, 70, 84] Generated Node #0,3: 83:[96, 70, 84] Operation: 70+14=84 Exploring Operation: 70-14=56, Resulting Numbers: [96, 70, 56] Generated Node #0,4: 83:[96, 70, 56] Operation: 70-14=56 Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[70, 96, 84], Operations: ['70+14=84'] Exploring Operation: 96-70=26, Resulting Numbers: [84, 26] Generated Node #0,1,0: 83:[84, 26] Operation: 96-70=26 Exploring Operation: 96-84=12, Resulting Numbers: [70, 12] Generated Node #0,1,1: 83:[70, 12] Operation: 96-84=12 Exploring Operation: 70+84=154, Resulting Numbers: [96, 154] Generated Node #0,1,2: 83:[96, 154] Operation: 70+84=154 Exploring Operation: 84-70=14, Resulting Numbers: [96, 14] Generated Node #0,1,3: 83:[96, 14] Operation: 84-70=14 Exploring Operation: 70+96=166, Resulting Numbers: [84, 166] Generated Node #0,1,4: 83:[84, 166] Operation: 70+96=166 Moving to Node #0,1,0 Current State: 83:[84, 26], Operations: ['70+14=84', '96-70=26'] Exploring Operation: 84+26=110, Resulting Numbers: [110] 110,83 unequal: No Solution Exploring Operation: 84*26=2184, Resulting Numbers: [2184] 2184,83 unequal: No Solution Exploring Operation: 84-26=58, Resulting Numbers: [58] 58,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[96, 14], Operations: ['70+14=84', '84-70=14'] Exploring Operation: 96-14=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 96*14=1344, Resulting Numbers: [1344] 1344,83 unequal: No Solution Exploring Operation: 96+14=110, Resulting Numbers: [110] 110,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[70, 12], Operations: ['70+14=84', '96-84=12'] Exploring Operation: 70*12=840, Resulting Numbers: [840] 840,83 unequal: No Solution Exploring Operation: 70-12=58, Resulting Numbers: [58] 58,83 unequal: No Solution Exploring Operation: 70+12=82, Resulting Numbers: [82] 82,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[96, 154], Operations: ['70+14=84', '70+84=154'] Exploring Operation: 96+154=250, Resulting Numbers: [250] 250,83 unequal: No Solution Exploring Operation: 96*154=14784, Resulting Numbers: [14784] 14784,83 unequal: No Solution Exploring Operation: 154-96=58, Resulting Numbers: [58] 58,83 unequal: No Solution Moving to Node #0,1,4 Current State: 83:[84, 166], Operations: ['70+14=84', '70+96=166'] Exploring Operation: 166-84=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 84+166=250, Resulting Numbers: [250] 250,83 unequal: No Solution Exploring Operation: 84*166=13944, Resulting Numbers: [13944] 13944,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[70, 70, 82], Operations: ['96-14=82'] Exploring Operation: 70+82=152, Resulting Numbers: [70, 152] Generated Node #0,2,0: 83:[70, 152] Operation: 70+82=152 Exploring Operation: 70+82=152, Resulting Numbers: [70, 152] Generated Node #0,2,1: 83:[70, 152] Operation: 70+82=152 Exploring Operation: 70-70=0, Resulting Numbers: [82, 0] Generated Node #0,2,2: 83:[82, 0] Operation: 70-70=0 Exploring Operation: 70/70=1, Resulting Numbers: [82, 1] Generated Node #0,2,3: 83:[82, 1] Operation: 70/70=1 Exploring Operation: 70+70=140, Resulting Numbers: [82, 140] Generated Node #0,2,4: 83:[82, 140] Operation: 70+70=140 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 83:[82, 140], Operations: ['96-14=82', '70+70=140'] Exploring Operation: 82*140=11480, Resulting Numbers: [11480] 11480,83 unequal: No Solution Exploring Operation: 140-82=58, Resulting Numbers: [58] 58,83 unequal: No Solution Exploring Operation: 82+140=222, Resulting Numbers: [222] 222,83 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:[70, 152], Operations: ['96-14=82', '70+82=152'] Exploring Operation: 70*152=10640, Resulting Numbers: [10640] 10640,83 unequal: No Solution Exploring Operation: 70+152=222, Resulting Numbers: [222] 222,83 unequal: No Solution Exploring Operation: 152-70=82, Resulting Numbers: [82] 82,83 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:[70, 152], Operations: ['96-14=82', '70+82=152'] Exploring Operation: 70*152=10640, Resulting Numbers: [10640] 10640,83 unequal: No Solution Exploring Operation: 152-70=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 70+152=222, Resulting Numbers: [222] 222,83 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 #0,2,3 Current State: 83:[82, 1], Operations: ['96-14=82', '70/70=1'] Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 82*1=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 82+1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[70, 96, 70, 14], Operations: [] Exploring Operation: 96-14=82, Resulting Numbers: [70, 70, 82] Generated Node #0,2: 83:[70, 70, 82] Operation: 96-14=82 Moving to Node #0,2 Current State: 83:[70, 70, 82], Operations: ['96-14=82'] Exploring Operation: 70/70=1, Resulting Numbers: [82, 1] Generated Node #0,2,3: 83:[82, 1] Operation: 70/70=1 Moving to Node #0,2,3 Current State: 83:[82, 1], Operations: ['96-14=82', '70/70=1'] Exploring Operation: 82+1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.960069
hs_5
sum_heuristic
[ 96, 65, 13, 86 ]
50
[ "96-86=10", "65/13=5", "10*5=50" ]
Current State: 50:[96, 65, 13, 86], Operations: [] Exploring Operation: 96-86=10, Resulting Numbers: [65, 13, 10] Generated Node #2: [65, 13, 10] from Operation: 96-86=10 Current State: 50:[65, 13, 10], Operations: ['96-86=10'] Exploring Operation: 65/13=5, Resulting Numbers: [10, 5] Generated Node #3: [10, 5] from Operation: 65/13=5 Current State: 50:[10, 5], Operations: ['96-86=10', '65/13=5'] Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[96, 65, 13, 86], Operations: [] Exploring Operation: 96-13=83, Resulting Numbers: [65, 86, 83] Generated Node #0,0: 50:[65, 86, 83] Operation: 96-13=83 Exploring Operation: 96-86=10, Resulting Numbers: [65, 13, 10] Generated Node #0,1: 50:[65, 13, 10] Operation: 96-86=10 Exploring Operation: 96-65=31, Resulting Numbers: [13, 86, 31] Generated Node #0,2: 50:[13, 86, 31] Operation: 96-65=31 Exploring Operation: 65/13=5, Resulting Numbers: [96, 86, 5] Generated Node #0,3: 50:[96, 86, 5] Operation: 65/13=5 Exploring Operation: 86-65=21, Resulting Numbers: [96, 13, 21] Generated Node #0,4: 50:[96, 13, 21] Operation: 86-65=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[65, 13, 10], Operations: ['96-86=10'] Exploring Operation: 13-10=3, Resulting Numbers: [65, 3] Generated Node #0,1,0: 50:[65, 3] Operation: 13-10=3 Exploring Operation: 65-10=55, Resulting Numbers: [13, 55] Generated Node #0,1,1: 50:[13, 55] Operation: 65-10=55 Exploring Operation: 13+10=23, Resulting Numbers: [65, 23] Generated Node #0,1,2: 50:[65, 23] Operation: 13+10=23 Exploring Operation: 65/13=5, Resulting Numbers: [10, 5] Generated Node #0,1,3: 50:[10, 5] Operation: 65/13=5 Exploring Operation: 65-13=52, Resulting Numbers: [10, 52] Generated Node #0,1,4: 50:[10, 52] Operation: 65-13=52 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 50:[10, 5], Operations: ['96-86=10', '65/13=5'] Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,50 unequal: No Solution Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[96, 65, 13, 86], Operations: [] Exploring Operation: 96-86=10, Resulting Numbers: [65, 13, 10] Generated Node #0,1: 50:[65, 13, 10] Operation: 96-86=10 Moving to Node #0,1 Current State: 50:[65, 13, 10], Operations: ['96-86=10'] Exploring Operation: 65/13=5, Resulting Numbers: [10, 5] Generated Node #0,1,3: 50:[10, 5] Operation: 65/13=5 Moving to Node #0,1,3 Current State: 50:[10, 5], Operations: ['96-86=10', '65/13=5'] Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 67, 81, 3, 62 ]
83
[ "67+81=148", "3+62=65", "148-65=83" ]
Current State: 83:[67, 81, 3, 62], Operations: [] Exploring Operation: 67+81=148, Resulting Numbers: [3, 62, 148] Generated Node #2: [3, 62, 148] from Operation: 67+81=148 Current State: 83:[3, 62, 148], Operations: ['67+81=148'] Exploring Operation: 3+62=65, Resulting Numbers: [148, 65] Generated Node #3: [148, 65] from Operation: 3+62=65 Current State: 83:[148, 65], Operations: ['67+81=148', '3+62=65'] Exploring Operation: 148-65=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[67, 81, 3, 62], Operations: [] Exploring Operation: 67+3=70, Resulting Numbers: [81, 62, 70] Generated Node #0,0: 83:[81, 62, 70] Operation: 67+3=70 Exploring Operation: 3+62=65, Resulting Numbers: [67, 81, 65] Generated Node #0,1: 83:[67, 81, 65] Operation: 3+62=65 Exploring Operation: 81+3=84, Resulting Numbers: [67, 62, 84] Generated Node #0,2: 83:[67, 62, 84] Operation: 81+3=84 Moving to Node #0,0 Current State: 83:[81, 62, 70], Operations: ['67+3=70'] Exploring Operation: 62+70=132, Resulting Numbers: [81, 132] Generated Node #0,0,0: 83:[81, 132] Operation: 62+70=132 Exploring Operation: 81-62=19, Resulting Numbers: [70, 19] Generated Node #0,0,1: 83:[70, 19] Operation: 81-62=19 Exploring Operation: 81+62=143, Resulting Numbers: [70, 143] Generated Node #0,0,2: 83:[70, 143] Operation: 81+62=143 Moving to Node #0,1 Current State: 83:[67, 81, 65], Operations: ['3+62=65'] Exploring Operation: 67+81=148, Resulting Numbers: [65, 148] Generated Node #0,1,0: 83:[65, 148] Operation: 67+81=148 Exploring Operation: 81+65=146, Resulting Numbers: [67, 146] Generated Node #0,1,1: 83:[67, 146] Operation: 81+65=146 Exploring Operation: 67+65=132, Resulting Numbers: [81, 132] Generated Node #0,1,2: 83:[81, 132] Operation: 67+65=132 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 83:[81, 132], Operations: ['3+62=65', '67+65=132'] Exploring Operation: 81*132=10692, Resulting Numbers: [10692] 10692,83 unequal: No Solution Exploring Operation: 81+132=213, Resulting Numbers: [213] 213,83 unequal: No Solution Exploring Operation: 132-81=51, Resulting Numbers: [51] 51,83 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 #0,1,1 Current State: 83:[67, 146], Operations: ['3+62=65', '81+65=146'] Exploring Operation: 67*146=9782, Resulting Numbers: [9782] 9782,83 unequal: No Solution Exploring Operation: 67+146=213, Resulting Numbers: [213] 213,83 unequal: No Solution Exploring Operation: 146-67=79, Resulting Numbers: [79] 79,83 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 #0,1,0 Current State: 83:[65, 148], Operations: ['3+62=65', '67+81=148'] Exploring Operation: 65*148=9620, Resulting Numbers: [9620] 9620,83 unequal: No Solution Exploring Operation: 148-65=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[67, 81, 3, 62], Operations: [] Exploring Operation: 3+62=65, Resulting Numbers: [67, 81, 65] Generated Node #0,1: 83:[67, 81, 65] Operation: 3+62=65 Moving to Node #0,1 Current State: 83:[67, 81, 65], Operations: ['3+62=65'] Exploring Operation: 67+81=148, Resulting Numbers: [65, 148] Generated Node #0,1,0: 83:[65, 148] Operation: 67+81=148 Moving to Node #0,1,0 Current State: 83:[65, 148], Operations: ['3+62=65', '67+81=148'] Exploring Operation: 148-65=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_3
mult_heuristic
[ 8, 58, 6, 9 ]
63
[ "8+58=66", "9-6=3", "66-3=63" ]
Current State: 63:[8, 58, 6, 9], Operations: [] Exploring Operation: 8+58=66, Resulting Numbers: [6, 9, 66] Generated Node #2: [6, 9, 66] from Operation: 8+58=66 Current State: 63:[6, 9, 66], Operations: ['8+58=66'] Exploring Operation: 9-6=3, Resulting Numbers: [66, 3] Generated Node #3: [66, 3] from Operation: 9-6=3 Current State: 63:[66, 3], Operations: ['8+58=66', '9-6=3'] Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[8, 58, 6, 9], Operations: [] Exploring Operation: 8-6=2, Resulting Numbers: [58, 9, 2] Generated Node #0,0: 63:[58, 9, 2] Operation: 8-6=2 Exploring Operation: 58+6=64, Resulting Numbers: [8, 9, 64] Generated Node #0,1: 63:[8, 9, 64] Operation: 58+6=64 Exploring Operation: 8+58=66, Resulting Numbers: [6, 9, 66] Generated Node #0,2: 63:[6, 9, 66] Operation: 8+58=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[8, 9, 64], Operations: ['58+6=64'] Exploring Operation: 8+9=17, Resulting Numbers: [64, 17] Generated Node #0,1,0: 63:[64, 17] Operation: 8+9=17 Exploring Operation: 9-8=1, Resulting Numbers: [64, 1] Generated Node #0,1,1: 63:[64, 1] Operation: 9-8=1 Exploring Operation: 64/8=8, Resulting Numbers: [9, 8] Generated Node #0,1,2: 63:[9, 8] Operation: 64/8=8 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 63:[9, 8], Operations: ['58+6=64', '64/8=8'] Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,63 unequal: No Solution Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,63 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 63:[64, 1], Operations: ['58+6=64', '9-8=1'] Exploring Operation: 64/1=64, Resulting Numbers: [64] 64,63 unequal: No Solution Exploring Operation: 64*1=64, Resulting Numbers: [64] 64,63 unequal: No Solution Exploring Operation: 64-1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[8, 58, 6, 9], Operations: [] Exploring Operation: 58+6=64, Resulting Numbers: [8, 9, 64] Generated Node #0,1: 63:[8, 9, 64] Operation: 58+6=64 Moving to Node #0,1 Current State: 63:[8, 9, 64], Operations: ['58+6=64'] Exploring Operation: 9-8=1, Resulting Numbers: [64, 1] Generated Node #0,1,1: 63:[64, 1] Operation: 9-8=1 Moving to Node #0,1,1 Current State: 63:[64, 1], Operations: ['58+6=64', '9-8=1'] Exploring Operation: 64-1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 94, 75, 30, 17 ]
73
[ "30+17=47", "94/47=2", "75-2=73" ]
Current State: 73:[94, 75, 30, 17], Operations: [] Exploring Operation: 30+17=47, Resulting Numbers: [94, 75, 47] Generated Node #2: [94, 75, 47] from Operation: 30+17=47 Current State: 73:[94, 75, 47], Operations: ['30+17=47'] Exploring Operation: 94/47=2, Resulting Numbers: [75, 2] Generated Node #3: [75, 2] from Operation: 94/47=2 Current State: 73:[75, 2], Operations: ['30+17=47', '94/47=2'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[94, 75, 30, 17], Operations: [] Exploring Operation: 75-17=58, Resulting Numbers: [94, 30, 58] Generated Node #0,0: 73:[94, 30, 58] Operation: 75-17=58 Exploring Operation: 94-17=77, Resulting Numbers: [75, 30, 77] Generated Node #0,1: 73:[75, 30, 77] Operation: 94-17=77 Exploring Operation: 94-30=64, Resulting Numbers: [75, 17, 64] Generated Node #0,2: 73:[75, 17, 64] Operation: 94-30=64 Exploring Operation: 30+17=47, Resulting Numbers: [94, 75, 47] Generated Node #0,3: 73:[94, 75, 47] Operation: 30+17=47 Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[75, 30, 77], Operations: ['94-17=77'] Exploring Operation: 75+30=105, Resulting Numbers: [77, 105] Generated Node #0,1,0: 73:[77, 105] Operation: 75+30=105 Exploring Operation: 30+77=107, Resulting Numbers: [75, 107] Generated Node #0,1,1: 73:[75, 107] Operation: 30+77=107 Exploring Operation: 77-30=47, Resulting Numbers: [75, 47] Generated Node #0,1,2: 73:[75, 47] Operation: 77-30=47 Exploring Operation: 75-30=45, Resulting Numbers: [77, 45] Generated Node #0,1,3: 73:[77, 45] Operation: 75-30=45 Moving to Node #0,1,2 Current State: 73:[75, 47], Operations: ['94-17=77', '77-30=47'] Exploring Operation: 75+47=122, Resulting Numbers: [122] 122,73 unequal: No Solution Exploring Operation: 75-47=28, Resulting Numbers: [28] 28,73 unequal: No Solution Exploring Operation: 75*47=3525, Resulting Numbers: [3525] 3525,73 unequal: No Solution Moving to Node #0,1,3 Current State: 73:[77, 45], Operations: ['94-17=77', '75-30=45'] Exploring Operation: 77+45=122, Resulting Numbers: [122] 122,73 unequal: No Solution Exploring Operation: 77-45=32, Resulting Numbers: [32] 32,73 unequal: No Solution Exploring Operation: 77*45=3465, Resulting Numbers: [3465] 3465,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[75, 107], Operations: ['94-17=77', '30+77=107'] Exploring Operation: 107-75=32, Resulting Numbers: [32] 32,73 unequal: No Solution Exploring Operation: 75+107=182, Resulting Numbers: [182] 182,73 unequal: No Solution Exploring Operation: 75*107=8025, Resulting Numbers: [8025] 8025,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[77, 105], Operations: ['94-17=77', '75+30=105'] Exploring Operation: 77+105=182, Resulting Numbers: [182] 182,73 unequal: No Solution Exploring Operation: 105-77=28, Resulting Numbers: [28] 28,73 unequal: No Solution Exploring Operation: 77*105=8085, Resulting Numbers: [8085] 8085,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 73:[94, 75, 47], Operations: ['30+17=47'] Exploring Operation: 94+47=141, Resulting Numbers: [75, 141] Generated Node #0,3,0: 73:[75, 141] Operation: 94+47=141 Exploring Operation: 75+47=122, Resulting Numbers: [94, 122] Generated Node #0,3,1: 73:[94, 122] Operation: 75+47=122 Exploring Operation: 94-47=47, Resulting Numbers: [75, 47] Generated Node #0,3,2: 73:[75, 47] Operation: 94-47=47 Exploring Operation: 75-47=28, Resulting Numbers: [94, 28] Generated Node #0,3,3: 73:[94, 28] Operation: 75-47=28 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 73:[75, 47], Operations: ['30+17=47', '94-47=47'] Exploring Operation: 75*47=3525, Resulting Numbers: [3525] 3525,73 unequal: No Solution Exploring Operation: 75-47=28, Resulting Numbers: [28] 28,73 unequal: No Solution Exploring Operation: 75+47=122, Resulting Numbers: [122] 122,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 73:[94, 28], Operations: ['30+17=47', '75-47=28'] Exploring Operation: 94+28=122, Resulting Numbers: [122] 122,73 unequal: No Solution Exploring Operation: 94-28=66, Resulting Numbers: [66] 66,73 unequal: No Solution Exploring Operation: 94*28=2632, Resulting Numbers: [2632] 2632,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 73:[75, 141], Operations: ['30+17=47', '94+47=141'] Exploring Operation: 75*141=10575, Resulting Numbers: [10575] 10575,73 unequal: No Solution Exploring Operation: 141-75=66, Resulting Numbers: [66] 66,73 unequal: No Solution Exploring Operation: 75+141=216, Resulting Numbers: [216] 216,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 73:[94, 122], Operations: ['30+17=47', '75+47=122'] Exploring Operation: 122-94=28, Resulting Numbers: [28] 28,73 unequal: No Solution Exploring Operation: 94*122=11468, Resulting Numbers: [11468] 11468,73 unequal: No Solution Exploring Operation: 94+122=216, Resulting Numbers: [216] 216,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 73:[75, 17, 64], Operations: ['94-30=64'] Exploring Operation: 75-17=58, Resulting Numbers: [64, 58] Generated Node #0,2,0: 73:[64, 58] Operation: 75-17=58 Exploring Operation: 17+64=81, Resulting Numbers: [75, 81] Generated Node #0,2,1: 73:[75, 81] Operation: 17+64=81 Exploring Operation: 75+17=92, Resulting Numbers: [64, 92] Generated Node #0,2,2: 73:[64, 92] Operation: 75+17=92 Exploring Operation: 64-17=47, Resulting Numbers: [75, 47] Generated Node #0,2,3: 73:[75, 47] Operation: 64-17=47 Moving to Node #0,2,1 Current State: 73:[75, 81], Operations: ['94-30=64', '17+64=81'] Exploring Operation: 81-75=6, Resulting Numbers: [6] 6,73 unequal: No Solution Exploring Operation: 75+81=156, Resulting Numbers: [156] 156,73 unequal: No Solution Exploring Operation: 75*81=6075, Resulting Numbers: [6075] 6075,73 unequal: No Solution Moving to Node #0,2,0 Current State: 73:[64, 58], Operations: ['94-30=64', '75-17=58'] Exploring Operation: 64-58=6, Resulting Numbers: [6] 6,73 unequal: No Solution Exploring Operation: 64*58=3712, Resulting Numbers: [3712] 3712,73 unequal: No Solution Exploring Operation: 64+58=122, Resulting Numbers: [122] 122,73 unequal: No Solution Moving to Node #0,2,3 Current State: 73:[75, 47], Operations: ['94-30=64', '64-17=47'] Exploring Operation: 75*47=3525, Resulting Numbers: [3525] 3525,73 unequal: No Solution Exploring Operation: 75+47=122, Resulting Numbers: [122] 122,73 unequal: No Solution Exploring Operation: 75-47=28, Resulting Numbers: [28] 28,73 unequal: No Solution Moving to Node #0,2,2 Current State: 73:[64, 92], Operations: ['94-30=64', '75+17=92'] Exploring Operation: 64*92=5888, Resulting Numbers: [5888] 5888,73 unequal: No Solution Exploring Operation: 92-64=28, Resulting Numbers: [28] 28,73 unequal: No Solution Exploring Operation: 64+92=156, Resulting Numbers: [156] 156,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[94, 30, 58], Operations: ['75-17=58'] Exploring Operation: 94-30=64, Resulting Numbers: [58, 64] Generated Node #0,0,0: 73:[58, 64] Operation: 94-30=64 Exploring Operation: 30+58=88, Resulting Numbers: [94, 88] Generated Node #0,0,1: 73:[94, 88] Operation: 30+58=88 Exploring Operation: 94+30=124, Resulting Numbers: [58, 124] Generated Node #0,0,2: 73:[58, 124] Operation: 94+30=124 Exploring Operation: 58-30=28, Resulting Numbers: [94, 28] Generated Node #0,0,3: 73:[94, 28] Operation: 58-30=28 Moving to Node #0,0,0 Current State: 73:[58, 64], Operations: ['75-17=58', '94-30=64'] Exploring Operation: 58+64=122, Resulting Numbers: [122] 122,73 unequal: No Solution Exploring Operation: 58*64=3712, Resulting Numbers: [3712] 3712,73 unequal: No Solution Exploring Operation: 64-58=6, Resulting Numbers: [6] 6,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[94, 88], Operations: ['75-17=58', '30+58=88'] Exploring Operation: 94-88=6, Resulting Numbers: [6] 6,73 unequal: No Solution Exploring Operation: 94*88=8272, Resulting Numbers: [8272] 8272,73 unequal: No Solution Exploring Operation: 94+88=182, Resulting Numbers: [182] 182,73 unequal: No Solution Moving to Node #0,0,3 Current State: 73:[94, 28], Operations: ['75-17=58', '58-30=28'] Exploring Operation: 94*28=2632, Resulting Numbers: [2632] 2632,73 unequal: No Solution Exploring Operation: 94+28=122, Resulting Numbers: [122] 122,73 unequal: No Solution Exploring Operation: 94-28=66, Resulting Numbers: [66] 66,73 unequal: No Solution Moving to Node #0,0,2 Current State: 73:[58, 124], Operations: ['75-17=58', '94+30=124'] Exploring Operation: 124-58=66, Resulting Numbers: [66] 66,73 unequal: No Solution Exploring Operation: 58*124=7192, Resulting Numbers: [7192] 7192,73 unequal: No Solution Exploring Operation: 58+124=182, Resulting Numbers: [182] 182,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 81, 97, 68, 14 ]
96
[ "81+97=178", "68+14=82", "178-82=96" ]
Current State: 96:[81, 97, 68, 14], Operations: [] Exploring Operation: 81+97=178, Resulting Numbers: [68, 14, 178] Generated Node #2: [68, 14, 178] from Operation: 81+97=178 Current State: 96:[68, 14, 178], Operations: ['81+97=178'] Exploring Operation: 68+14=82, Resulting Numbers: [178, 82] Generated Node #3: [178, 82] from Operation: 68+14=82 Current State: 96:[178, 82], Operations: ['81+97=178', '68+14=82'] Exploring Operation: 178-82=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[81, 97, 68, 14], Operations: [] Exploring Operation: 81-68=13, Resulting Numbers: [97, 14, 13] Generated Node #0,0: 96:[97, 14, 13] Operation: 81-68=13 Moving to Node #0,0 Current State: 96:[97, 14, 13], Operations: ['81-68=13'] Exploring Operation: 14-13=1, Resulting Numbers: [97, 1] Generated Node #0,0,0: 96:[97, 1] Operation: 14-13=1 Moving to Node #0,0,0 Current State: 96:[97, 1], Operations: ['81-68=13', '14-13=1'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[81, 97, 68, 14], Operations: [] Exploring Operation: 81-68=13, Resulting Numbers: [97, 14, 13] Generated Node #0,0: 96:[97, 14, 13] Operation: 81-68=13 Moving to Node #0,0 Current State: 96:[97, 14, 13], Operations: ['81-68=13'] Exploring Operation: 14-13=1, Resulting Numbers: [97, 1] Generated Node #0,0,0: 96:[97, 1] Operation: 14-13=1 Moving to Node #0,0,0 Current State: 96:[97, 1], Operations: ['81-68=13', '14-13=1'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 38, 44, 71, 82 ]
66
[ "44-38=6", "82-71=11", "6*11=66" ]
Current State: 66:[38, 44, 71, 82], Operations: [] Exploring Operation: 44-38=6, Resulting Numbers: [71, 82, 6] Generated Node #2: [71, 82, 6] from Operation: 44-38=6 Current State: 66:[71, 82, 6], Operations: ['44-38=6'] Exploring Operation: 82-71=11, Resulting Numbers: [6, 11] Generated Node #3: [6, 11] from Operation: 82-71=11 Current State: 66:[6, 11], Operations: ['44-38=6', '82-71=11'] Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[38, 44, 71, 82], Operations: [] Exploring Operation: 82-44=38, Resulting Numbers: [38, 71, 38] Generated Node #0,0: 66:[38, 71, 38] Operation: 82-44=38 Moving to Node #0,0 Current State: 66:[38, 71, 38], Operations: ['82-44=38'] Exploring Operation: 71-38=33, Resulting Numbers: [38, 33] Generated Node #0,0,0: 66:[38, 33] Operation: 71-38=33 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[38, 33], Operations: ['82-44=38', '71-38=33'] Exploring Operation: 38-33=5, Resulting Numbers: [5] 5,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 56, 44, 76, 2 ]
48
[ "56+44=100", "100-76=24", "2*24=48" ]
Current State: 48:[56, 44, 76, 2], Operations: [] Exploring Operation: 56+44=100, Resulting Numbers: [76, 2, 100] Generated Node #2: [76, 2, 100] from Operation: 56+44=100 Current State: 48:[76, 2, 100], Operations: ['56+44=100'] Exploring Operation: 100-76=24, Resulting Numbers: [2, 24] Generated Node #3: [2, 24] from Operation: 100-76=24 Current State: 48:[2, 24], Operations: ['56+44=100', '100-76=24'] Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[56, 44, 76, 2], Operations: [] Exploring Operation: 76-44=32, Resulting Numbers: [56, 2, 32] Generated Node #0,0: 48:[56, 2, 32] Operation: 76-44=32 Exploring Operation: 76-56=20, Resulting Numbers: [44, 2, 20] Generated Node #0,1: 48:[44, 2, 20] Operation: 76-56=20 Moving to Node #0,1 Current State: 48:[44, 2, 20], Operations: ['76-56=20'] Exploring Operation: 44-20=24, Resulting Numbers: [2, 24] Generated Node #0,1,0: 48:[2, 24] Operation: 44-20=24 Exploring Operation: 44+2=46, Resulting Numbers: [20, 46] Generated Node #0,1,1: 48:[20, 46] Operation: 44+2=46 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[2, 24], Operations: ['76-56=20', '44-20=24'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,48 unequal: No Solution Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[56, 44, 76, 2], Operations: [] Exploring Operation: 76-56=20, Resulting Numbers: [44, 2, 20] Generated Node #0,1: 48:[44, 2, 20] Operation: 76-56=20 Moving to Node #0,1 Current State: 48:[44, 2, 20], Operations: ['76-56=20'] Exploring Operation: 44-20=24, Resulting Numbers: [2, 24] Generated Node #0,1,0: 48:[2, 24] Operation: 44-20=24 Moving to Node #0,1,0 Current State: 48:[2, 24], Operations: ['76-56=20', '44-20=24'] Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 89, 80, 4, 62 ]
67
[ "89-80=9", "62-4=58", "9+58=67" ]
Current State: 67:[89, 80, 4, 62], Operations: [] Exploring Operation: 89-80=9, Resulting Numbers: [4, 62, 9] Generated Node #2: [4, 62, 9] from Operation: 89-80=9 Current State: 67:[4, 62, 9], Operations: ['89-80=9'] Exploring Operation: 62-4=58, Resulting Numbers: [9, 58] Generated Node #3: [9, 58] from Operation: 62-4=58 Current State: 67:[9, 58], Operations: ['89-80=9', '62-4=58'] Exploring Operation: 9+58=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[89, 80, 4, 62], Operations: [] Exploring Operation: 89-4=85, Resulting Numbers: [80, 62, 85] Generated Node #0,0: 67:[80, 62, 85] Operation: 89-4=85 Moving to Node #0,0 Current State: 67:[80, 62, 85], Operations: ['89-4=85'] Exploring Operation: 85-62=23, Resulting Numbers: [80, 23] Generated Node #0,0,0: 67:[80, 23] Operation: 85-62=23 Moving to Node #0,0,0 Current State: 67:[80, 23], Operations: ['89-4=85', '85-62=23'] Exploring Operation: 80-23=57, Resulting Numbers: [57] 57,67 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 86, 71, 16, 1 ]
30
[ "86-71=15", "16-1=15", "15+15=30" ]
Current State: 30:[86, 71, 16, 1], Operations: [] Exploring Operation: 86-71=15, Resulting Numbers: [16, 1, 15] Generated Node #2: [16, 1, 15] from Operation: 86-71=15 Current State: 30:[16, 1, 15], Operations: ['86-71=15'] Exploring Operation: 16-1=15, Resulting Numbers: [15, 15] Generated Node #3: [15, 15] from Operation: 16-1=15 Current State: 30:[15, 15], Operations: ['86-71=15', '16-1=15'] Exploring Operation: 15+15=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[86, 71, 16, 1], Operations: [] Exploring Operation: 86-71=15, Resulting Numbers: [16, 1, 15] Generated Node #0,0: 30:[16, 1, 15] Operation: 86-71=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[16, 1, 15], Operations: ['86-71=15'] Exploring Operation: 16-1=15, Resulting Numbers: [15, 15] Generated Node #0,0,0: 30:[15, 15] Operation: 16-1=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 30:[15, 15], Operations: ['86-71=15', '16-1=15'] Exploring Operation: 15+15=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[86, 71, 16, 1], Operations: [] Exploring Operation: 86-71=15, Resulting Numbers: [16, 1, 15] Generated Node #0,0: 30:[16, 1, 15] Operation: 86-71=15 Moving to Node #0,0 Current State: 30:[16, 1, 15], Operations: ['86-71=15'] Exploring Operation: 16-1=15, Resulting Numbers: [15, 15] Generated Node #0,0,0: 30:[15, 15] Operation: 16-1=15 Moving to Node #0,0,0 Current State: 30:[15, 15], Operations: ['86-71=15', '16-1=15'] Exploring Operation: 15+15=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 49, 13, 49, 39 ]
27
[ "49/49=1", "39-13=26", "1+26=27" ]
Current State: 27:[49, 13, 49, 39], Operations: [] Exploring Operation: 49/49=1, Resulting Numbers: [13, 39, 1] Generated Node #2: [13, 39, 1] from Operation: 49/49=1 Current State: 27:[13, 39, 1], Operations: ['49/49=1'] Exploring Operation: 39-13=26, Resulting Numbers: [1, 26] Generated Node #3: [1, 26] from Operation: 39-13=26 Current State: 27:[1, 26], Operations: ['49/49=1', '39-13=26'] Exploring Operation: 1+26=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[49, 13, 49, 39], Operations: [] Exploring Operation: 49-13=36, Resulting Numbers: [49, 39, 36] Generated Node #0,0: 27:[49, 39, 36] Operation: 49-13=36 Exploring Operation: 49-39=10, Resulting Numbers: [49, 13, 10] Generated Node #0,1: 27:[49, 13, 10] Operation: 49-39=10 Exploring Operation: 49-39=10, Resulting Numbers: [13, 49, 10] Generated Node #0,2: 27:[13, 49, 10] Operation: 49-39=10 Exploring Operation: 49-49=0, Resulting Numbers: [13, 39, 0] Generated Node #0,3: 27:[13, 39, 0] Operation: 49-49=0 Exploring Operation: 49/49=1, Resulting Numbers: [13, 39, 1] Generated Node #0,4: 27:[13, 39, 1] Operation: 49/49=1 Moving to Node #0,4 Current State: 27:[13, 39, 1], Operations: ['49/49=1'] Exploring Operation: 13*1=13, Resulting Numbers: [39, 13] Generated Node #0,4,0: 27:[39, 13] Operation: 13*1=13 Exploring Operation: 39-13=26, Resulting Numbers: [1, 26] Generated Node #0,4,1: 27:[1, 26] Operation: 39-13=26 Exploring Operation: 39/13=3, Resulting Numbers: [1, 3] Generated Node #0,4,2: 27:[1, 3] Operation: 39/13=3 Exploring Operation: 39-1=38, Resulting Numbers: [13, 38] Generated Node #0,4,3: 27:[13, 38] Operation: 39-1=38 Exploring Operation: 13-1=12, Resulting Numbers: [39, 12] Generated Node #0,4,4: 27:[39, 12] Operation: 13-1=12 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 27:[1, 3], Operations: ['49/49=1', '39/13=3'] Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,27 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 #0,4,1 Current State: 27:[1, 26], Operations: ['49/49=1', '39-13=26'] Exploring Operation: 1+26=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[49, 13, 49, 39], Operations: [] Exploring Operation: 49/49=1, Resulting Numbers: [13, 39, 1] Generated Node #0,4: 27:[13, 39, 1] Operation: 49/49=1 Moving to Node #0,4 Current State: 27:[13, 39, 1], Operations: ['49/49=1'] Exploring Operation: 39-13=26, Resulting Numbers: [1, 26] Generated Node #0,4,1: 27:[1, 26] Operation: 39-13=26 Moving to Node #0,4,1 Current State: 27:[1, 26], Operations: ['49/49=1', '39-13=26'] Exploring Operation: 1+26=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 94, 79, 41, 35 ]
91
[ "94-79=15", "41+35=76", "15+76=91" ]
Current State: 91:[94, 79, 41, 35], Operations: [] Exploring Operation: 94-79=15, Resulting Numbers: [41, 35, 15] Generated Node #2: [41, 35, 15] from Operation: 94-79=15 Current State: 91:[41, 35, 15], Operations: ['94-79=15'] Exploring Operation: 41+35=76, Resulting Numbers: [15, 76] Generated Node #3: [15, 76] from Operation: 41+35=76 Current State: 91:[15, 76], Operations: ['94-79=15', '41+35=76'] Exploring Operation: 15+76=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[94, 79, 41, 35], Operations: [] Exploring Operation: 41-35=6, Resulting Numbers: [94, 79, 6] Generated Node #0,0: 91:[94, 79, 6] Operation: 41-35=6 Moving to Node #0,0 Current State: 91:[94, 79, 6], Operations: ['41-35=6'] Exploring Operation: 94-79=15, Resulting Numbers: [6, 15] Generated Node #0,0,0: 91:[6, 15] Operation: 94-79=15 Moving to Node #0,0,0 Current State: 91:[6, 15], Operations: ['41-35=6', '94-79=15'] Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,91 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 25, 72, 52, 72 ]
52
[ "72-72=0", "25*0=0", "52+0=52" ]
Current State: 52:[25, 72, 52, 72], Operations: [] Exploring Operation: 72-72=0, Resulting Numbers: [25, 52, 0] Generated Node #2: [25, 52, 0] from Operation: 72-72=0 Current State: 52:[25, 52, 0], Operations: ['72-72=0'] Exploring Operation: 25*0=0, Resulting Numbers: [52, 0] Generated Node #3: [52, 0] from Operation: 25*0=0 Current State: 52:[52, 0], Operations: ['72-72=0', '25*0=0'] Exploring Operation: 52+0=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[25, 72, 52, 72], Operations: [] Exploring Operation: 72-72=0, Resulting Numbers: [25, 52, 0] Generated Node #0,0: 52:[25, 52, 0] Operation: 72-72=0 Exploring Operation: 72/72=1, Resulting Numbers: [25, 52, 1] Generated Node #0,1: 52:[25, 52, 1] Operation: 72/72=1 Exploring Operation: 72-25=47, Resulting Numbers: [72, 52, 47] Generated Node #0,2: 52:[72, 52, 47] Operation: 72-25=47 Exploring Operation: 72-25=47, Resulting Numbers: [52, 72, 47] Generated Node #0,3: 52:[52, 72, 47] Operation: 72-25=47 Moving to Node #0,1 Current State: 52:[25, 52, 1], Operations: ['72/72=1'] Exploring Operation: 25/1=25, Resulting Numbers: [52, 25] Generated Node #0,1,0: 52:[52, 25] Operation: 25/1=25 Exploring Operation: 52*1=52, Resulting Numbers: [25, 52] Generated Node #0,1,1: 52:[25, 52] Operation: 52*1=52 Exploring Operation: 25+1=26, Resulting Numbers: [52, 26] Generated Node #0,1,2: 52:[52, 26] Operation: 25+1=26 Exploring Operation: 25*1=25, Resulting Numbers: [52, 25] Generated Node #0,1,3: 52:[52, 25] Operation: 25*1=25 Moving to Node #0,0 Current State: 52:[25, 52, 0], Operations: ['72-72=0'] Exploring Operation: 52-0=52, Resulting Numbers: [25, 52] Generated Node #0,0,0: 52:[25, 52] Operation: 52-0=52 Exploring Operation: 52+0=52, Resulting Numbers: [25, 52] Generated Node #0,0,1: 52:[25, 52] Operation: 52+0=52 Exploring Operation: 25+0=25, Resulting Numbers: [52, 25] Generated Node #0,0,2: 52:[52, 25] Operation: 25+0=25 Exploring Operation: 25-0=25, Resulting Numbers: [52, 25] Generated Node #0,0,3: 52:[52, 25] Operation: 25-0=25 Moving to Node #0,3 Current State: 52:[52, 72, 47], Operations: ['72-25=47'] Exploring Operation: 52+47=99, Resulting Numbers: [72, 99] Generated Node #0,3,0: 52:[72, 99] Operation: 52+47=99 Exploring Operation: 72-47=25, Resulting Numbers: [52, 25] Generated Node #0,3,1: 52:[52, 25] Operation: 72-47=25 Exploring Operation: 72-52=20, Resulting Numbers: [47, 20] Generated Node #0,3,2: 52:[47, 20] Operation: 72-52=20 Exploring Operation: 52-47=5, Resulting Numbers: [72, 5] Generated Node #0,3,3: 52:[72, 5] Operation: 52-47=5 Moving to Node #0,2 Current State: 52:[72, 52, 47], Operations: ['72-25=47'] Exploring Operation: 72+47=119, Resulting Numbers: [52, 119] Generated Node #0,2,0: 52:[52, 119] Operation: 72+47=119 Exploring Operation: 72-47=25, Resulting Numbers: [52, 25] Generated Node #0,2,1: 52:[52, 25] Operation: 72-47=25 Exploring Operation: 72-52=20, Resulting Numbers: [47, 20] Generated Node #0,2,2: 52:[47, 20] Operation: 72-52=20 Exploring Operation: 52-47=5, Resulting Numbers: [72, 5] Generated Node #0,2,3: 52:[72, 5] Operation: 52-47=5 Moving to Node #0,1,2 Current State: 52:[52, 26], Operations: ['72/72=1', '25+1=26'] Exploring Operation: 52+26=78, Resulting Numbers: [78] 78,52 unequal: No Solution Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 52*26=1352, Resulting Numbers: [1352] 1352,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[25, 52], Operations: ['72/72=1', '52*1=52'] Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 25+52=77, Resulting Numbers: [77] 77,52 unequal: No Solution Exploring Operation: 25*52=1300, Resulting Numbers: [1300] 1300,52 unequal: No Solution Moving to Node #0,0,2 Current State: 52:[52, 25], Operations: ['72-72=0', '25+0=25'] Exploring Operation: 52*25=1300, Resulting Numbers: [1300] 1300,52 unequal: No Solution Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 52+25=77, Resulting Numbers: [77] 77,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[25, 52], Operations: ['72-72=0', '52+0=52'] Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 25+52=77, Resulting Numbers: [77] 77,52 unequal: No Solution Exploring Operation: 25*52=1300, Resulting Numbers: [1300] 1300,52 unequal: No Solution Moving to Node #0,2,1 Current State: 52:[52, 25], Operations: ['72-25=47', '72-47=25'] Exploring Operation: 52*25=1300, Resulting Numbers: [1300] 1300,52 unequal: No Solution Exploring Operation: 52+25=77, Resulting Numbers: [77] 77,52 unequal: No Solution Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,52 unequal: No Solution Moving to Node #0,1,0 Current State: 52:[52, 25], Operations: ['72/72=1', '25/1=25'] Exploring Operation: 52+25=77, Resulting Numbers: [77] 77,52 unequal: No Solution Exploring Operation: 52*25=1300, Resulting Numbers: [1300] 1300,52 unequal: No Solution Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[25, 52], Operations: ['72-72=0', '52-0=52'] Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 25+52=77, Resulting Numbers: [77] 77,52 unequal: No Solution Exploring Operation: 25*52=1300, Resulting Numbers: [1300] 1300,52 unequal: No Solution Moving to Node #0,1,3 Current State: 52:[52, 25], Operations: ['72/72=1', '25*1=25'] Exploring Operation: 52*25=1300, Resulting Numbers: [1300] 1300,52 unequal: No Solution Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 52+25=77, Resulting Numbers: [77] 77,52 unequal: No Solution Moving to Node #0,3,1 Current State: 52:[52, 25], Operations: ['72-25=47', '72-47=25'] Exploring Operation: 52+25=77, Resulting Numbers: [77] 77,52 unequal: No Solution Exploring Operation: 52*25=1300, Resulting Numbers: [1300] 1300,52 unequal: No Solution Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,52 unequal: No Solution Moving to Node #0,0,3 Current State: 52:[52, 25], Operations: ['72-72=0', '25-0=25'] Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 52*25=1300, Resulting Numbers: [1300] 1300,52 unequal: No Solution Exploring Operation: 52+25=77, Resulting Numbers: [77] 77,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[47, 20], Operations: ['72-25=47', '72-52=20'] Exploring Operation: 47*20=940, Resulting Numbers: [940] 940,52 unequal: No Solution Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 47+20=67, Resulting Numbers: [67] 67,52 unequal: No Solution Moving to Node #0,3,2 Current State: 52:[47, 20], Operations: ['72-25=47', '72-52=20'] Exploring Operation: 47*20=940, Resulting Numbers: [940] 940,52 unequal: No Solution Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 47+20=67, Resulting Numbers: [67] 67,52 unequal: No Solution Moving to Node #0,2,3 Current State: 52:[72, 5], Operations: ['72-25=47', '52-47=5'] Exploring Operation: 72*5=360, Resulting Numbers: [360] 360,52 unequal: No Solution Exploring Operation: 72-5=67, Resulting Numbers: [67] 67,52 unequal: No Solution Exploring Operation: 72+5=77, Resulting Numbers: [77] 77,52 unequal: No Solution Moving to Node #0,3,3 Current State: 52:[72, 5], Operations: ['72-25=47', '52-47=5'] Exploring Operation: 72+5=77, Resulting Numbers: [77] 77,52 unequal: No Solution Exploring Operation: 72-5=67, Resulting Numbers: [67] 67,52 unequal: No Solution Exploring Operation: 72*5=360, Resulting Numbers: [360] 360,52 unequal: No Solution Moving to Node #0,2,0 Current State: 52:[52, 119], Operations: ['72-25=47', '72+47=119'] Exploring Operation: 52+119=171, Resulting Numbers: [171] 171,52 unequal: No Solution Exploring Operation: 52*119=6188, Resulting Numbers: [6188] 6188,52 unequal: No Solution Exploring Operation: 119-52=67, Resulting Numbers: [67] 67,52 unequal: No Solution Moving to Node #0,3,0 Current State: 52:[72, 99], Operations: ['72-25=47', '52+47=99'] Exploring Operation: 99-72=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 72+99=171, Resulting Numbers: [171] 171,52 unequal: No Solution Exploring Operation: 72*99=7128, Resulting Numbers: [7128] 7128,52 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 3, 13, 35, 62 ]
17
[ "13-3=10", "62-35=27", "27-10=17" ]
Current State: 17:[3, 13, 35, 62], Operations: [] Exploring Operation: 13-3=10, Resulting Numbers: [35, 62, 10] Generated Node #2: [35, 62, 10] from Operation: 13-3=10 Current State: 17:[35, 62, 10], Operations: ['13-3=10'] Exploring Operation: 62-35=27, Resulting Numbers: [10, 27] Generated Node #3: [10, 27] from Operation: 62-35=27 Current State: 17:[10, 27], Operations: ['13-3=10', '62-35=27'] Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[3, 13, 35, 62], Operations: [] Exploring Operation: 35-3=32, Resulting Numbers: [13, 62, 32] Generated Node #0,0: 17:[13, 62, 32] Operation: 35-3=32 Exploring Operation: 62-35=27, Resulting Numbers: [3, 13, 27] Generated Node #0,1: 17:[3, 13, 27] Operation: 62-35=27 Exploring Operation: 3+13=16, Resulting Numbers: [35, 62, 16] Generated Node #0,2: 17:[35, 62, 16] Operation: 3+13=16 Moving to Node #0,1 Current State: 17:[3, 13, 27], Operations: ['62-35=27'] Exploring Operation: 3+13=16, Resulting Numbers: [27, 16] Generated Node #0,1,0: 17:[27, 16] Operation: 3+13=16 Exploring Operation: 27/3=9, Resulting Numbers: [13, 9] Generated Node #0,1,1: 17:[13, 9] Operation: 27/3=9 Exploring Operation: 27-3=24, Resulting Numbers: [13, 24] Generated Node #0,1,2: 17:[13, 24] Operation: 27-3=24 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 17:[27, 16], Operations: ['62-35=27', '3+13=16'] Exploring Operation: 27*16=432, Resulting Numbers: [432] 432,17 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,17 unequal: No Solution Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,17 unequal: No Solution No 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: 17:[13, 24], Operations: ['62-35=27', '27-3=24'] Exploring Operation: 13+24=37, Resulting Numbers: [37] 37,17 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,17 unequal: No Solution Exploring Operation: 13*24=312, Resulting Numbers: [312] 312,17 unequal: No Solution No 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: 17:[13, 9], Operations: ['62-35=27', '27/3=9'] Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,17 unequal: No Solution Exploring Operation: 13*9=117, Resulting Numbers: [117] 117,17 unequal: No Solution Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,17 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: 17:[13, 62, 32], Operations: ['35-3=32'] Exploring Operation: 62-13=49, Resulting Numbers: [32, 49] Generated Node #0,0,0: 17:[32, 49] Operation: 62-13=49 Exploring Operation: 32-13=19, Resulting Numbers: [62, 19] Generated Node #0,0,1: 17:[62, 19] Operation: 32-13=19 Exploring Operation: 62-32=30, Resulting Numbers: [13, 30] Generated Node #0,0,2: 17:[13, 30] Operation: 62-32=30 Moving to Node #0,2 Current State: 17:[35, 62, 16], Operations: ['3+13=16'] Exploring Operation: 62-35=27, Resulting Numbers: [16, 27] Generated Node #0,2,0: 17:[16, 27] Operation: 62-35=27 Exploring Operation: 62-16=46, Resulting Numbers: [35, 46] Generated Node #0,2,1: 17:[35, 46] Operation: 62-16=46 Exploring Operation: 35-16=19, Resulting Numbers: [62, 19] Generated Node #0,2,2: 17:[62, 19] Operation: 35-16=19 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 17:[16, 27], Operations: ['3+13=16', '62-35=27'] Exploring Operation: 16*27=432, Resulting Numbers: [432] 432,17 unequal: No Solution Exploring Operation: 16+27=43, Resulting Numbers: [43] 43,17 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,17 unequal: No Solution No 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: 17:[35, 46], Operations: ['3+13=16', '62-16=46'] Exploring Operation: 46-35=11, Resulting Numbers: [11] 11,17 unequal: No Solution Exploring Operation: 35*46=1610, Resulting Numbers: [1610] 1610,17 unequal: No Solution Exploring Operation: 35+46=81, Resulting Numbers: [81] 81,17 unequal: No Solution No 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: 17:[62, 19], Operations: ['3+13=16', '35-16=19'] Exploring Operation: 62-19=43, Resulting Numbers: [43] 43,17 unequal: No Solution Exploring Operation: 62*19=1178, Resulting Numbers: [1178] 1178,17 unequal: No Solution Exploring Operation: 62+19=81, Resulting Numbers: [81] 81,17 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: 17:[13, 30], Operations: ['35-3=32', '62-32=30'] Exploring Operation: 13+30=43, Resulting Numbers: [43] 43,17 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[3, 13, 35, 62], Operations: [] Exploring Operation: 35-3=32, Resulting Numbers: [13, 62, 32] Generated Node #0,0: 17:[13, 62, 32] Operation: 35-3=32 Moving to Node #0,0 Current State: 17:[13, 62, 32], Operations: ['35-3=32'] Exploring Operation: 62-32=30, Resulting Numbers: [13, 30] Generated Node #0,0,2: 17:[13, 30] Operation: 62-32=30 Moving to Node #0,0,2 Current State: 17:[13, 30], Operations: ['35-3=32', '62-32=30'] Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
0.96875
hs_3
mult_heuristic
[ 30, 98, 33, 9 ]
95
[ "33-30=3", "9/3=3", "98-3=95" ]
Current State: 95:[30, 98, 33, 9], Operations: [] Exploring Operation: 33-30=3, Resulting Numbers: [98, 9, 3] Generated Node #2: [98, 9, 3] from Operation: 33-30=3 Current State: 95:[98, 9, 3], Operations: ['33-30=3'] Exploring Operation: 9/3=3, Resulting Numbers: [98, 3] Generated Node #3: [98, 3] from Operation: 9/3=3 Current State: 95:[98, 3], Operations: ['33-30=3', '9/3=3'] Exploring Operation: 98-3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[30, 98, 33, 9], Operations: [] Exploring Operation: 33-30=3, Resulting Numbers: [98, 9, 3] Generated Node #0,0: 95:[98, 9, 3] Operation: 33-30=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[98, 9, 3], Operations: ['33-30=3'] Exploring Operation: 98-3=95, Resulting Numbers: [9, 95] Generated Node #0,0,0: 95:[9, 95] Operation: 98-3=95 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[9, 95], Operations: ['33-30=3', '98-3=95'] Exploring Operation: 9+95=104, Resulting Numbers: [104] 104,95 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 No solution found.
0
hs_1
sum_heuristic
[ 68, 63, 31, 14 ]
85
[ "68-63=5", "31-14=17", "5*17=85" ]
Current State: 85:[68, 63, 31, 14], Operations: [] Exploring Operation: 68-63=5, Resulting Numbers: [31, 14, 5] Generated Node #2: [31, 14, 5] from Operation: 68-63=5 Current State: 85:[31, 14, 5], Operations: ['68-63=5'] Exploring Operation: 31-14=17, Resulting Numbers: [5, 17] Generated Node #3: [5, 17] from Operation: 31-14=17 Current State: 85:[5, 17], Operations: ['68-63=5', '31-14=17'] Exploring Operation: 5*17=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[68, 63, 31, 14], Operations: [] Exploring Operation: 68-63=5, Resulting Numbers: [31, 14, 5] Generated Node #0,0: 85:[31, 14, 5] Operation: 68-63=5 Exploring Operation: 63+31=94, Resulting Numbers: [68, 14, 94] Generated Node #0,1: 85:[68, 14, 94] Operation: 63+31=94 Exploring Operation: 63-31=32, Resulting Numbers: [68, 14, 32] Generated Node #0,2: 85:[68, 14, 32] Operation: 63-31=32 Moving to Node #0,0 Current State: 85:[31, 14, 5], Operations: ['68-63=5'] Exploring Operation: 14+5=19, Resulting Numbers: [31, 19] Generated Node #0,0,0: 85:[31, 19] Operation: 14+5=19 Exploring Operation: 31-14=17, Resulting Numbers: [5, 17] Generated Node #0,0,1: 85:[5, 17] Operation: 31-14=17 Exploring Operation: 31-5=26, Resulting Numbers: [14, 26] Generated Node #0,0,2: 85:[14, 26] Operation: 31-5=26 Moving to Node #0,1 Current State: 85:[68, 14, 94], Operations: ['63+31=94'] Exploring Operation: 94-68=26, Resulting Numbers: [14, 26] Generated Node #0,1,0: 85:[14, 26] Operation: 94-68=26 Exploring Operation: 68+14=82, Resulting Numbers: [94, 82] Generated Node #0,1,1: 85:[94, 82] Operation: 68+14=82 Exploring Operation: 94-14=80, Resulting Numbers: [68, 80] Generated Node #0,1,2: 85:[68, 80] Operation: 94-14=80 Moving to Node #0,2 Current State: 85:[68, 14, 32], Operations: ['63-31=32'] Exploring Operation: 68+14=82, Resulting Numbers: [32, 82] Generated Node #0,2,0: 85:[32, 82] Operation: 68+14=82 Exploring Operation: 32-14=18, Resulting Numbers: [68, 18] Generated Node #0,2,1: 85:[68, 18] Operation: 32-14=18 Exploring Operation: 68+32=100, Resulting Numbers: [14, 100] Generated Node #0,2,2: 85:[14, 100] Operation: 68+32=100 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 85:[32, 82], Operations: ['63-31=32', '68+14=82'] Exploring Operation: 32*82=2624, Resulting Numbers: [2624] 2624,85 unequal: No Solution Exploring Operation: 32+82=114, Resulting Numbers: [114] 114,85 unequal: No Solution Exploring Operation: 82-32=50, Resulting Numbers: [50] 50,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 85:[68, 18], Operations: ['63-31=32', '32-14=18'] Exploring Operation: 68-18=50, Resulting Numbers: [50] 50,85 unequal: No Solution Exploring Operation: 68*18=1224, Resulting Numbers: [1224] 1224,85 unequal: No Solution Exploring Operation: 68+18=86, Resulting Numbers: [86] 86,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 85:[14, 100], Operations: ['63-31=32', '68+32=100'] Exploring Operation: 14*100=1400, Resulting Numbers: [1400] 1400,85 unequal: No Solution Exploring Operation: 100-14=86, Resulting Numbers: [86] 86,85 unequal: No Solution Exploring Operation: 14+100=114, Resulting Numbers: [114] 114,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 85:[5, 17], Operations: ['68-63=5', '31-14=17'] Exploring Operation: 5+17=22, Resulting Numbers: [22] 22,85 unequal: No Solution Exploring Operation: 5*17=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[68, 63, 31, 14], Operations: [] Exploring Operation: 68-63=5, Resulting Numbers: [31, 14, 5] Generated Node #0,0: 85:[31, 14, 5] Operation: 68-63=5 Moving to Node #0,0 Current State: 85:[31, 14, 5], Operations: ['68-63=5'] Exploring Operation: 31-14=17, Resulting Numbers: [5, 17] Generated Node #0,0,1: 85:[5, 17] Operation: 31-14=17 Moving to Node #0,0,1 Current State: 85:[5, 17], Operations: ['68-63=5', '31-14=17'] Exploring Operation: 5*17=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
0.976563
hs_3
mult_heuristic
[ 22, 28, 39, 3 ]
57
[ "28-22=6", "3*6=18", "39+18=57" ]
Current State: 57:[22, 28, 39, 3], Operations: [] Exploring Operation: 28-22=6, Resulting Numbers: [39, 3, 6] Generated Node #2: [39, 3, 6] from Operation: 28-22=6 Current State: 57:[39, 3, 6], Operations: ['28-22=6'] Exploring Operation: 3*6=18, Resulting Numbers: [39, 18] Generated Node #3: [39, 18] from Operation: 3*6=18 Current State: 57:[39, 18], Operations: ['28-22=6', '3*6=18'] Exploring Operation: 39+18=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[22, 28, 39, 3], Operations: [] Exploring Operation: 28+39=67, Resulting Numbers: [22, 3, 67] Generated Node #0,0: 57:[22, 3, 67] Operation: 28+39=67 Exploring Operation: 22+39=61, Resulting Numbers: [28, 3, 61] Generated Node #0,1: 57:[28, 3, 61] Operation: 22+39=61 Exploring Operation: 39/3=13, Resulting Numbers: [22, 28, 13] Generated Node #0,2: 57:[22, 28, 13] Operation: 39/3=13 Exploring Operation: 39-22=17, Resulting Numbers: [28, 3, 17] Generated Node #0,3: 57:[28, 3, 17] Operation: 39-22=17 Exploring Operation: 39-28=11, Resulting Numbers: [22, 3, 11] Generated Node #0,4: 57:[22, 3, 11] Operation: 39-28=11 Start Sub Search at level 1: Moving to Node #0,3 Current State: 57:[28, 3, 17], Operations: ['39-22=17'] Exploring Operation: 28+17=45, Resulting Numbers: [3, 45] Generated Node #0,3,0: 57:[3, 45] Operation: 28+17=45 Exploring Operation: 3+17=20, Resulting Numbers: [28, 20] Generated Node #0,3,1: 57:[28, 20] Operation: 3+17=20 Exploring Operation: 28+3=31, Resulting Numbers: [17, 31] Generated Node #0,3,2: 57:[17, 31] Operation: 28+3=31 Exploring Operation: 28-17=11, Resulting Numbers: [3, 11] Generated Node #0,3,3: 57:[3, 11] Operation: 28-17=11 Exploring Operation: 28-3=25, Resulting Numbers: [17, 25] Generated Node #0,3,4: 57:[17, 25] Operation: 28-3=25 Moving to Node #0,3,3 Current State: 57:[3, 11], Operations: ['39-22=17', '28-17=11'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,57 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,57 unequal: No Solution Moving to Node #0,3,4 Current State: 57:[17, 25], Operations: ['39-22=17', '28-3=25'] Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 17*25=425, Resulting Numbers: [425] 425,57 unequal: No Solution Exploring Operation: 17+25=42, Resulting Numbers: [42] 42,57 unequal: No Solution Moving to Node #0,3,1 Current State: 57:[28, 20], Operations: ['39-22=17', '3+17=20'] Exploring Operation: 28+20=48, Resulting Numbers: [48] 48,57 unequal: No Solution Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 28*20=560, Resulting Numbers: [560] 560,57 unequal: No Solution Moving to Node #0,3,0 Current State: 57:[3, 45], Operations: ['39-22=17', '28+17=45'] Exploring Operation: 3+45=48, Resulting Numbers: [48] 48,57 unequal: No Solution Exploring Operation: 3*45=135, Resulting Numbers: [135] 135,57 unequal: No Solution Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,57 unequal: No Solution Moving to Node #0,3,2 Current State: 57:[17, 31], Operations: ['39-22=17', '28+3=31'] Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,57 unequal: No Solution Exploring Operation: 17*31=527, Resulting Numbers: [527] 527,57 unequal: No Solution Exploring Operation: 17+31=48, Resulting Numbers: [48] 48,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 57:[22, 3, 11], Operations: ['39-28=11'] Exploring Operation: 22-11=11, Resulting Numbers: [3, 11] Generated Node #0,4,0: 57:[3, 11] Operation: 22-11=11 Exploring Operation: 3+11=14, Resulting Numbers: [22, 14] Generated Node #0,4,1: 57:[22, 14] Operation: 3+11=14 Exploring Operation: 22/11=2, Resulting Numbers: [3, 2] Generated Node #0,4,2: 57:[3, 2] Operation: 22/11=2 Exploring Operation: 22-3=19, Resulting Numbers: [11, 19] Generated Node #0,4,3: 57:[11, 19] Operation: 22-3=19 Exploring Operation: 11-3=8, Resulting Numbers: [22, 8] Generated Node #0,4,4: 57:[22, 8] Operation: 11-3=8 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 57:[3, 2], Operations: ['39-28=11', '22/11=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,57 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 57:[3, 11], Operations: ['39-28=11', '22-11=11'] Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,57 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,57 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 57:[22, 14], Operations: ['39-28=11', '3+11=14'] Exploring Operation: 22-14=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 22*14=308, Resulting Numbers: [308] 308,57 unequal: No Solution Exploring Operation: 22+14=36, Resulting Numbers: [36] 36,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 57:[11, 19], Operations: ['39-28=11', '22-3=19'] Exploring Operation: 11*19=209, Resulting Numbers: [209] 209,57 unequal: No Solution Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 11+19=30, Resulting Numbers: [30] 30,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 57:[22, 8], Operations: ['39-28=11', '11-3=8'] Exploring Operation: 22+8=30, Resulting Numbers: [30] 30,57 unequal: No Solution Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,57 unequal: No Solution Exploring Operation: 22*8=176, Resulting Numbers: [176] 176,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[22, 3, 67], Operations: ['28+39=67'] Exploring Operation: 22-3=19, Resulting Numbers: [67, 19] Generated Node #0,0,0: 57:[67, 19] Operation: 22-3=19 Exploring Operation: 22+3=25, Resulting Numbers: [67, 25] Generated Node #0,0,1: 57:[67, 25] Operation: 22+3=25 Exploring Operation: 67-22=45, Resulting Numbers: [3, 45] Generated Node #0,0,2: 57:[3, 45] Operation: 67-22=45 Exploring Operation: 67-3=64, Resulting Numbers: [22, 64] Generated Node #0,0,3: 57:[22, 64] Operation: 67-3=64 Exploring Operation: 3+67=70, Resulting Numbers: [22, 70] Generated Node #0,0,4: 57:[22, 70] Operation: 3+67=70 Moving to Node #0,0,0 Current State: 57:[67, 19], Operations: ['28+39=67', '22-3=19'] Exploring Operation: 67*19=1273, Resulting Numbers: [1273] 1273,57 unequal: No Solution Exploring Operation: 67-19=48, Resulting Numbers: [48] 48,57 unequal: No Solution Exploring Operation: 67+19=86, Resulting Numbers: [86] 86,57 unequal: No Solution Moving to Node #0,0,3 Current State: 57:[22, 64], Operations: ['28+39=67', '67-3=64'] Exploring Operation: 64-22=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 22+64=86, Resulting Numbers: [86] 86,57 unequal: No Solution Exploring Operation: 22*64=1408, Resulting Numbers: [1408] 1408,57 unequal: No Solution Moving to Node #0,0,2 Current State: 57:[3, 45], Operations: ['28+39=67', '67-22=45'] Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,57 unequal: No Solution Exploring Operation: 3+45=48, Resulting Numbers: [48] 48,57 unequal: No Solution Exploring Operation: 3*45=135, Resulting Numbers: [135] 135,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[67, 25], Operations: ['28+39=67', '22+3=25'] Exploring Operation: 67+25=92, Resulting Numbers: [92] 92,57 unequal: No Solution Exploring Operation: 67*25=1675, Resulting Numbers: [1675] 1675,57 unequal: No Solution Exploring Operation: 67-25=42, Resulting Numbers: [42] 42,57 unequal: No Solution Moving to Node #0,0,4 Current State: 57:[22, 70], Operations: ['28+39=67', '3+67=70'] Exploring Operation: 70-22=48, Resulting Numbers: [48] 48,57 unequal: No Solution Exploring Operation: 22*70=1540, Resulting Numbers: [1540] 1540,57 unequal: No Solution Exploring Operation: 22+70=92, Resulting Numbers: [92] 92,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[28, 3, 61], Operations: ['22+39=61'] Exploring Operation: 3+61=64, Resulting Numbers: [28, 64] Generated Node #0,1,0: 57:[28, 64] Operation: 3+61=64 Exploring Operation: 28+3=31, Resulting Numbers: [61, 31] Generated Node #0,1,1: 57:[61, 31] Operation: 28+3=31 Exploring Operation: 28-3=25, Resulting Numbers: [61, 25] Generated Node #0,1,2: 57:[61, 25] Operation: 28-3=25 Exploring Operation: 61-28=33, Resulting Numbers: [3, 33] Generated Node #0,1,3: 57:[3, 33] Operation: 61-28=33 Exploring Operation: 61-3=58, Resulting Numbers: [28, 58] Generated Node #0,1,4: 57:[28, 58] Operation: 61-3=58 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 57:[61, 25], Operations: ['22+39=61', '28-3=25'] Exploring Operation: 61+25=86, Resulting Numbers: [86] 86,57 unequal: No Solution Exploring Operation: 61-25=36, Resulting Numbers: [36] 36,57 unequal: No Solution Exploring Operation: 61*25=1525, Resulting Numbers: [1525] 1525,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 57:[28, 58], Operations: ['22+39=61', '61-3=58'] Exploring Operation: 58-28=30, Resulting Numbers: [30] 30,57 unequal: No Solution Exploring Operation: 28+58=86, Resulting Numbers: [86] 86,57 unequal: No Solution Exploring Operation: 28*58=1624, Resulting Numbers: [1624] 1624,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 57:[3, 33], Operations: ['22+39=61', '61-28=33'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,57 unequal: No Solution Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,57 unequal: No Solution Exploring Operation: 3+33=36, Resulting Numbers: [36] 36,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 57:[28, 64], Operations: ['22+39=61', '3+61=64'] Exploring Operation: 28+64=92, Resulting Numbers: [92] 92,57 unequal: No Solution Exploring Operation: 64-28=36, Resulting Numbers: [36] 36,57 unequal: No Solution Exploring Operation: 28*64=1792, Resulting Numbers: [1792] 1792,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 57:[61, 31], Operations: ['22+39=61', '28+3=31'] Exploring Operation: 61*31=1891, Resulting Numbers: [1891] 1891,57 unequal: No Solution Exploring Operation: 61+31=92, Resulting Numbers: [92] 92,57 unequal: No Solution Exploring Operation: 61-31=30, Resulting Numbers: [30] 30,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[22, 28, 13], Operations: ['39/3=13'] Exploring Operation: 22-13=9, Resulting Numbers: [28, 9] Generated Node #0,2,0: 57:[28, 9] Operation: 22-13=9 Exploring Operation: 28-13=15, Resulting Numbers: [22, 15] Generated Node #0,2,1: 57:[22, 15] Operation: 28-13=15 Exploring Operation: 28-22=6, Resulting Numbers: [13, 6] Generated Node #0,2,2: 57:[13, 6] Operation: 28-22=6 Exploring Operation: 22+28=50, Resulting Numbers: [13, 50] Generated Node #0,2,3: 57:[13, 50] Operation: 22+28=50 Exploring Operation: 28+13=41, Resulting Numbers: [22, 41] Generated Node #0,2,4: 57:[22, 41] Operation: 28+13=41 Moving to Node #0,2,1 Current State: 57:[22, 15], Operations: ['39/3=13', '28-13=15'] Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,57 unequal: No Solution Exploring Operation: 22+15=37, Resulting Numbers: [37] 37,57 unequal: No Solution Exploring Operation: 22*15=330, Resulting Numbers: [330] 330,57 unequal: No Solution Moving to Node #0,2,2 Current State: 57:[13, 6], Operations: ['39/3=13', '28-22=6'] Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,57 unequal: No Solution Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,57 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,57 unequal: No Solution Moving to Node #0,2,3 Current State: 57:[13, 50], Operations: ['39/3=13', '22+28=50'] Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,57 unequal: No Solution Exploring Operation: 13*50=650, Resulting Numbers: [650] 650,57 unequal: No Solution Exploring Operation: 13+50=63, Resulting Numbers: [63] 63,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[28, 9], Operations: ['39/3=13', '22-13=9'] Exploring Operation: 28*9=252, Resulting Numbers: [252] 252,57 unequal: No Solution Exploring Operation: 28+9=37, Resulting Numbers: [37] 37,57 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,57 unequal: No Solution Moving to Node #0,2,4 Current State: 57:[22, 41], Operations: ['39/3=13', '28+13=41'] Exploring Operation: 41-22=19, Resulting Numbers: [19] 19,57 unequal: No Solution Exploring Operation: 22*41=902, Resulting Numbers: [902] 902,57 unequal: No Solution Exploring Operation: 22+41=63, Resulting Numbers: [63] 63,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 47, 32, 53, 2 ]
58
[ "53-47=6", "32*2=64", "64-6=58" ]
Current State: 58:[47, 32, 53, 2], Operations: [] Exploring Operation: 53-47=6, Resulting Numbers: [32, 2, 6] Generated Node #2: [32, 2, 6] from Operation: 53-47=6 Current State: 58:[32, 2, 6], Operations: ['53-47=6'] Exploring Operation: 32*2=64, Resulting Numbers: [6, 64] Generated Node #3: [6, 64] from Operation: 32*2=64 Current State: 58:[6, 64], Operations: ['53-47=6', '32*2=64'] Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[47, 32, 53, 2], Operations: [] Exploring Operation: 53-47=6, Resulting Numbers: [32, 2, 6] Generated Node #0,0: 58:[32, 2, 6] Operation: 53-47=6 Exploring Operation: 53+2=55, Resulting Numbers: [47, 32, 55] Generated Node #0,1: 58:[47, 32, 55] Operation: 53+2=55 Exploring Operation: 47+2=49, Resulting Numbers: [32, 53, 49] Generated Node #0,2: 58:[32, 53, 49] Operation: 47+2=49 Exploring Operation: 32-2=30, Resulting Numbers: [47, 53, 30] Generated Node #0,3: 58:[47, 53, 30] Operation: 32-2=30 Moving to Node #0,0 Current State: 58:[32, 2, 6], Operations: ['53-47=6'] Exploring Operation: 6-2=4, Resulting Numbers: [32, 4] Generated Node #0,0,0: 58:[32, 4] Operation: 6-2=4 Exploring Operation: 6/2=3, Resulting Numbers: [32, 3] Generated Node #0,0,1: 58:[32, 3] Operation: 6/2=3 Exploring Operation: 32-6=26, Resulting Numbers: [2, 26] Generated Node #0,0,2: 58:[2, 26] Operation: 32-6=26 Exploring Operation: 32-2=30, Resulting Numbers: [6, 30] Generated Node #0,0,3: 58:[6, 30] Operation: 32-2=30 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 58:[2, 26], Operations: ['53-47=6', '32-6=26'] Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,58 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,58 unequal: No Solution Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 58:[32, 3], Operations: ['53-47=6', '6/2=3'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,58 unequal: No Solution Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,58 unequal: No Solution Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[32, 4], Operations: ['53-47=6', '6-2=4'] Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,58 unequal: No Solution Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 32*4=128, Resulting Numbers: [128] 128,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 58:[6, 30], Operations: ['53-47=6', '32-2=30'] Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 6*30=180, Resulting Numbers: [180] 180,58 unequal: No Solution Exploring Operation: 6+30=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 58:[32, 53, 49], Operations: ['47+2=49'] Exploring Operation: 53-32=21, Resulting Numbers: [49, 21] Generated Node #0,2,0: 58:[49, 21] Operation: 53-32=21 Exploring Operation: 49-32=17, Resulting Numbers: [53, 17] Generated Node #0,2,1: 58:[53, 17] Operation: 49-32=17 Exploring Operation: 32+49=81, Resulting Numbers: [53, 81] Generated Node #0,2,2: 58:[53, 81] Operation: 32+49=81 Exploring Operation: 53-49=4, Resulting Numbers: [32, 4] Generated Node #0,2,3: 58:[32, 4] Operation: 53-49=4 Moving to Node #0,1 Current State: 58:[47, 32, 55], Operations: ['53+2=55'] Exploring Operation: 47-32=15, Resulting Numbers: [55, 15] Generated Node #0,1,0: 58:[55, 15] Operation: 47-32=15 Exploring Operation: 55-47=8, Resulting Numbers: [32, 8] Generated Node #0,1,1: 58:[32, 8] Operation: 55-47=8 Exploring Operation: 55-32=23, Resulting Numbers: [47, 23] Generated Node #0,1,2: 58:[47, 23] Operation: 55-32=23 Exploring Operation: 47+32=79, Resulting Numbers: [55, 79] Generated Node #0,1,3: 58:[55, 79] Operation: 47+32=79 Moving to Node #0,3 Current State: 58:[47, 53, 30], Operations: ['32-2=30'] Exploring Operation: 53-30=23, Resulting Numbers: [47, 23] Generated Node #0,3,0: 58:[47, 23] Operation: 53-30=23 Exploring Operation: 53-47=6, Resulting Numbers: [30, 6] Generated Node #0,3,1: 58:[30, 6] Operation: 53-47=6 Exploring Operation: 47+30=77, Resulting Numbers: [53, 77] Generated Node #0,3,2: 58:[53, 77] Operation: 47+30=77 Exploring Operation: 47-30=17, Resulting Numbers: [53, 17] Generated Node #0,3,3: 58:[53, 17] Operation: 47-30=17 Moving to Node #0,2,3 Current State: 58:[32, 4], Operations: ['47+2=49', '53-49=4'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 32*4=128, Resulting Numbers: [128] 128,58 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,58 unequal: No Solution Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,58 unequal: No Solution Moving to Node #0,3,1 Current State: 58:[30, 6], Operations: ['32-2=30', '53-47=6'] Exploring Operation: 30+6=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,58 unequal: No Solution Exploring Operation: 30*6=180, Resulting Numbers: [180] 180,58 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,58 unequal: No Solution Moving to Node #0,1,1 Current State: 58:[32, 8], Operations: ['53+2=55', '55-47=8'] Exploring Operation: 32+8=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,58 unequal: No Solution Exploring Operation: 32*8=256, Resulting Numbers: [256] 256,58 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[55, 15], Operations: ['53+2=55', '47-32=15'] Exploring Operation: 55*15=825, Resulting Numbers: [825] 825,58 unequal: No Solution Exploring Operation: 55-15=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 55+15=70, Resulting Numbers: [70] 70,58 unequal: No Solution Moving to Node #0,1,2 Current State: 58:[47, 23], Operations: ['53+2=55', '55-32=23'] Exploring Operation: 47+23=70, Resulting Numbers: [70] 70,58 unequal: No Solution Exploring Operation: 47*23=1081, Resulting Numbers: [1081] 1081,58 unequal: No Solution Exploring Operation: 47-23=24, Resulting Numbers: [24] 24,58 unequal: No Solution Moving to Node #0,3,3 Current State: 58:[53, 17], Operations: ['32-2=30', '47-30=17'] Exploring Operation: 53*17=901, Resulting Numbers: [901] 901,58 unequal: No Solution Exploring Operation: 53-17=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 53+17=70, Resulting Numbers: [70] 70,58 unequal: No Solution Moving to Node #0,2,1 Current State: 58:[53, 17], Operations: ['47+2=49', '49-32=17'] Exploring Operation: 53+17=70, Resulting Numbers: [70] 70,58 unequal: No Solution Exploring Operation: 53*17=901, Resulting Numbers: [901] 901,58 unequal: No Solution Exploring Operation: 53-17=36, Resulting Numbers: [36] 36,58 unequal: No Solution Moving to Node #0,2,0 Current State: 58:[49, 21], Operations: ['47+2=49', '53-32=21'] Exploring Operation: 49*21=1029, Resulting Numbers: [1029] 1029,58 unequal: No Solution Exploring Operation: 49+21=70, Resulting Numbers: [70] 70,58 unequal: No Solution Exploring Operation: 49-21=28, Resulting Numbers: [28] 28,58 unequal: No Solution Moving to Node #0,3,0 Current State: 58:[47, 23], Operations: ['32-2=30', '53-30=23'] Exploring Operation: 47*23=1081, Resulting Numbers: [1081] 1081,58 unequal: No Solution Exploring Operation: 47+23=70, Resulting Numbers: [70] 70,58 unequal: No Solution Exploring Operation: 47-23=24, Resulting Numbers: [24] 24,58 unequal: No Solution Moving to Node #0,3,2 Current State: 58:[53, 77], Operations: ['32-2=30', '47+30=77'] Exploring Operation: 53*77=4081, Resulting Numbers: [4081] 4081,58 unequal: No Solution Exploring Operation: 53+77=130, Resulting Numbers: [130] 130,58 unequal: No Solution Exploring Operation: 77-53=24, Resulting Numbers: [24] 24,58 unequal: No Solution Moving to Node #0,1,3 Current State: 58:[55, 79], Operations: ['53+2=55', '47+32=79'] Exploring Operation: 55*79=4345, Resulting Numbers: [4345] 4345,58 unequal: No Solution Exploring Operation: 55+79=134, Resulting Numbers: [134] 134,58 unequal: No Solution Exploring Operation: 79-55=24, Resulting Numbers: [24] 24,58 unequal: No Solution Moving to Node #0,2,2 Current State: 58:[53, 81], Operations: ['47+2=49', '32+49=81'] Exploring Operation: 53+81=134, Resulting Numbers: [134] 134,58 unequal: No Solution Exploring Operation: 53*81=4293, Resulting Numbers: [4293] 4293,58 unequal: No Solution Exploring Operation: 81-53=28, Resulting Numbers: [28] 28,58 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 9, 8, 95, 27 ]
51
[ "9+8=17", "95-27=68", "68-17=51" ]
Current State: 51:[9, 8, 95, 27], Operations: [] Exploring Operation: 9+8=17, Resulting Numbers: [95, 27, 17] Generated Node #2: [95, 27, 17] from Operation: 9+8=17 Current State: 51:[95, 27, 17], Operations: ['9+8=17'] Exploring Operation: 95-27=68, Resulting Numbers: [17, 68] Generated Node #3: [17, 68] from Operation: 95-27=68 Current State: 51:[17, 68], Operations: ['9+8=17', '95-27=68'] Exploring Operation: 68-17=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[9, 8, 95, 27], Operations: [] Exploring Operation: 27/9=3, Resulting Numbers: [8, 95, 3] Generated Node #0,0: 51:[8, 95, 3] Operation: 27/9=3 Exploring Operation: 95-27=68, Resulting Numbers: [9, 8, 68] Generated Node #0,1: 51:[9, 8, 68] Operation: 95-27=68 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[9, 8, 68], Operations: ['95-27=68'] Exploring Operation: 68-9=59, Resulting Numbers: [8, 59] Generated Node #0,1,0: 51:[8, 59] Operation: 68-9=59 Exploring Operation: 68-8=60, Resulting Numbers: [9, 60] Generated Node #0,1,1: 51:[9, 60] Operation: 68-8=60 Moving to Node #0,1,0 Current State: 51:[8, 59], Operations: ['95-27=68', '68-9=59'] Exploring Operation: 8+59=67, Resulting Numbers: [67] 67,51 unequal: No Solution Exploring Operation: 59-8=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[9, 8, 95, 27], Operations: [] Exploring Operation: 95-27=68, Resulting Numbers: [9, 8, 68] Generated Node #0,1: 51:[9, 8, 68] Operation: 95-27=68 Moving to Node #0,1 Current State: 51:[9, 8, 68], Operations: ['95-27=68'] Exploring Operation: 68-9=59, Resulting Numbers: [8, 59] Generated Node #0,1,0: 51:[8, 59] Operation: 68-9=59 Moving to Node #0,1,0 Current State: 51:[8, 59], Operations: ['95-27=68', '68-9=59'] Exploring Operation: 59-8=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 42, 73, 36, 33 ]
93
[ "73-42=31", "36-33=3", "31*3=93" ]
Current State: 93:[42, 73, 36, 33], Operations: [] Exploring Operation: 73-42=31, Resulting Numbers: [36, 33, 31] Generated Node #2: [36, 33, 31] from Operation: 73-42=31 Current State: 93:[36, 33, 31], Operations: ['73-42=31'] Exploring Operation: 36-33=3, Resulting Numbers: [31, 3] Generated Node #3: [31, 3] from Operation: 36-33=3 Current State: 93:[31, 3], Operations: ['73-42=31', '36-33=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[42, 73, 36, 33], Operations: [] Exploring Operation: 73-42=31, Resulting Numbers: [36, 33, 31] Generated Node #0,0: 93:[36, 33, 31] Operation: 73-42=31 Exploring Operation: 73-36=37, Resulting Numbers: [42, 33, 37] Generated Node #0,1: 93:[42, 33, 37] Operation: 73-36=37 Exploring Operation: 42-36=6, Resulting Numbers: [73, 33, 6] Generated Node #0,2: 93:[73, 33, 6] Operation: 42-36=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[36, 33, 31], Operations: ['73-42=31'] Exploring Operation: 36-33=3, Resulting Numbers: [31, 3] Generated Node #0,0,0: 93:[31, 3] Operation: 36-33=3 Exploring Operation: 36-31=5, Resulting Numbers: [33, 5] Generated Node #0,0,1: 93:[33, 5] Operation: 36-31=5 Exploring Operation: 33-31=2, Resulting Numbers: [36, 2] Generated Node #0,0,2: 93:[36, 2] Operation: 33-31=2 Moving to Node #0,0,0 Current State: 93:[31, 3], Operations: ['73-42=31', '36-33=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[42, 73, 36, 33], Operations: [] Exploring Operation: 73-42=31, Resulting Numbers: [36, 33, 31] Generated Node #0,0: 93:[36, 33, 31] Operation: 73-42=31 Moving to Node #0,0 Current State: 93:[36, 33, 31], Operations: ['73-42=31'] Exploring Operation: 36-33=3, Resulting Numbers: [31, 3] Generated Node #0,0,0: 93:[31, 3] Operation: 36-33=3 Moving to Node #0,0,0 Current State: 93:[31, 3], Operations: ['73-42=31', '36-33=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 96, 7, 64, 27 ]
83
[ "64+27=91", "91/7=13", "96-13=83" ]
Current State: 83:[96, 7, 64, 27], Operations: [] Exploring Operation: 64+27=91, Resulting Numbers: [96, 7, 91] Generated Node #2: [96, 7, 91] from Operation: 64+27=91 Current State: 83:[96, 7, 91], Operations: ['64+27=91'] Exploring Operation: 91/7=13, Resulting Numbers: [96, 13] Generated Node #3: [96, 13] from Operation: 91/7=13 Current State: 83:[96, 13], Operations: ['64+27=91', '91/7=13'] Exploring Operation: 96-13=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[96, 7, 64, 27], Operations: [] Exploring Operation: 64-7=57, Resulting Numbers: [96, 27, 57] Generated Node #0,0: 83:[96, 27, 57] Operation: 64-7=57 Exploring Operation: 96+7=103, Resulting Numbers: [64, 27, 103] Generated Node #0,1: 83:[64, 27, 103] Operation: 96+7=103 Exploring Operation: 7+27=34, Resulting Numbers: [96, 64, 34] Generated Node #0,2: 83:[96, 64, 34] Operation: 7+27=34 Exploring Operation: 7+64=71, Resulting Numbers: [96, 27, 71] Generated Node #0,3: 83:[96, 27, 71] Operation: 7+64=71 Exploring Operation: 96-7=89, Resulting Numbers: [64, 27, 89] Generated Node #0,4: 83:[64, 27, 89] Operation: 96-7=89 Moving to Node #0,2 Current State: 83:[96, 64, 34], Operations: ['7+27=34'] Exploring Operation: 96-64=32, Resulting Numbers: [34, 32] Generated Node #0,2,0: 83:[34, 32] Operation: 96-64=32 Exploring Operation: 64-34=30, Resulting Numbers: [96, 30] Generated Node #0,2,1: 83:[96, 30] Operation: 64-34=30 Exploring Operation: 96-34=62, Resulting Numbers: [64, 62] Generated Node #0,2,2: 83:[64, 62] Operation: 96-34=62 Exploring Operation: 64+34=98, Resulting Numbers: [96, 98] Generated Node #0,2,3: 83:[96, 98] Operation: 64+34=98 Exploring Operation: 96+34=130, Resulting Numbers: [64, 130] Generated Node #0,2,4: 83:[64, 130] Operation: 96+34=130 Moving to Node #0,4 Current State: 83:[64, 27, 89], Operations: ['96-7=89'] Exploring Operation: 64-27=37, Resulting Numbers: [89, 37] Generated Node #0,4,0: 83:[89, 37] Operation: 64-27=37 Exploring Operation: 27+89=116, Resulting Numbers: [64, 116] Generated Node #0,4,1: 83:[64, 116] Operation: 27+89=116 Exploring Operation: 64+27=91, Resulting Numbers: [89, 91] Generated Node #0,4,2: 83:[89, 91] Operation: 64+27=91 Exploring Operation: 89-64=25, Resulting Numbers: [27, 25] Generated Node #0,4,3: 83:[27, 25] Operation: 89-64=25 Exploring Operation: 89-27=62, Resulting Numbers: [64, 62] Generated Node #0,4,4: 83:[64, 62] Operation: 89-27=62 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 83:[89, 91], Operations: ['96-7=89', '64+27=91'] Exploring Operation: 91-89=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 89+91=180, Resulting Numbers: [180] 180,83 unequal: No Solution Exploring Operation: 89*91=8099, Resulting Numbers: [8099] 8099,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 83:[64, 62], Operations: ['96-7=89', '89-27=62'] Exploring Operation: 64+62=126, Resulting Numbers: [126] 126,83 unequal: No Solution Exploring Operation: 64-62=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 64*62=3968, Resulting Numbers: [3968] 3968,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 83:[89, 37], Operations: ['96-7=89', '64-27=37'] Exploring Operation: 89-37=52, Resulting Numbers: [52] 52,83 unequal: No Solution Exploring Operation: 89+37=126, Resulting Numbers: [126] 126,83 unequal: No Solution Exploring Operation: 89*37=3293, Resulting Numbers: [3293] 3293,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 83:[64, 116], Operations: ['96-7=89', '27+89=116'] Exploring Operation: 64+116=180, Resulting Numbers: [180] 180,83 unequal: No Solution Exploring Operation: 64*116=7424, Resulting Numbers: [7424] 7424,83 unequal: No Solution Exploring Operation: 116-64=52, Resulting Numbers: [52] 52,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 83:[27, 25], Operations: ['96-7=89', '89-64=25'] Exploring Operation: 27*25=675, Resulting Numbers: [675] 675,83 unequal: No Solution Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 27+25=52, Resulting Numbers: [52] 52,83 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: 83:[96, 27, 71], Operations: ['7+64=71'] Exploring Operation: 96+27=123, Resulting Numbers: [71, 123] Generated Node #0,3,0: 83:[71, 123] Operation: 96+27=123 Exploring Operation: 71-27=44, Resulting Numbers: [96, 44] Generated Node #0,3,1: 83:[96, 44] Operation: 71-27=44 Exploring Operation: 96-27=69, Resulting Numbers: [71, 69] Generated Node #0,3,2: 83:[71, 69] Operation: 96-27=69 Exploring Operation: 96-71=25, Resulting Numbers: [27, 25] Generated Node #0,3,3: 83:[27, 25] Operation: 96-71=25 Exploring Operation: 27+71=98, Resulting Numbers: [96, 98] Generated Node #0,3,4: 83:[96, 98] Operation: 27+71=98 Moving to Node #0,0 Current State: 83:[96, 27, 57], Operations: ['64-7=57'] Exploring Operation: 96-27=69, Resulting Numbers: [57, 69] Generated Node #0,0,0: 83:[57, 69] Operation: 96-27=69 Exploring Operation: 96-57=39, Resulting Numbers: [27, 39] Generated Node #0,0,1: 83:[27, 39] Operation: 96-57=39 Exploring Operation: 27+57=84, Resulting Numbers: [96, 84] Generated Node #0,0,2: 83:[96, 84] Operation: 27+57=84 Exploring Operation: 57-27=30, Resulting Numbers: [96, 30] Generated Node #0,0,3: 83:[96, 30] Operation: 57-27=30 Exploring Operation: 96+27=123, Resulting Numbers: [57, 123] Generated Node #0,0,4: 83:[57, 123] Operation: 96+27=123 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 83:[96, 84], Operations: ['64-7=57', '27+57=84'] Exploring Operation: 96*84=8064, Resulting Numbers: [8064] 8064,83 unequal: No Solution Exploring Operation: 96-84=12, Resulting Numbers: [12] 12,83 unequal: No Solution Exploring Operation: 96+84=180, Resulting Numbers: [180] 180,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[57, 69], Operations: ['64-7=57', '96-27=69'] Exploring Operation: 57*69=3933, Resulting Numbers: [3933] 3933,83 unequal: No Solution Exploring Operation: 69-57=12, Resulting Numbers: [12] 12,83 unequal: No Solution Exploring Operation: 57+69=126, Resulting Numbers: [126] 126,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 83:[96, 30], Operations: ['64-7=57', '57-27=30'] Exploring Operation: 96*30=2880, Resulting Numbers: [2880] 2880,83 unequal: No Solution Exploring Operation: 96+30=126, Resulting Numbers: [126] 126,83 unequal: No Solution Exploring Operation: 96-30=66, Resulting Numbers: [66] 66,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 83:[57, 123], Operations: ['64-7=57', '96+27=123'] Exploring Operation: 57*123=7011, Resulting Numbers: [7011] 7011,83 unequal: No Solution Exploring Operation: 57+123=180, Resulting Numbers: [180] 180,83 unequal: No Solution Exploring Operation: 123-57=66, Resulting Numbers: [66] 66,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[27, 39], Operations: ['64-7=57', '96-57=39'] Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,83 unequal: No Solution Exploring Operation: 27*39=1053, Resulting Numbers: [1053] 1053,83 unequal: No Solution Exploring Operation: 27+39=66, Resulting Numbers: [66] 66,83 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: 83:[64, 27, 103], Operations: ['96+7=103'] Exploring Operation: 27+103=130, Resulting Numbers: [64, 130] Generated Node #0,1,0: 83:[64, 130] Operation: 27+103=130 Exploring Operation: 103-27=76, Resulting Numbers: [64, 76] Generated Node #0,1,1: 83:[64, 76] Operation: 103-27=76 Exploring Operation: 64-27=37, Resulting Numbers: [103, 37] Generated Node #0,1,2: 83:[103, 37] Operation: 64-27=37 Exploring Operation: 103-64=39, Resulting Numbers: [27, 39] Generated Node #0,1,3: 83:[27, 39] Operation: 103-64=39 Exploring Operation: 64+27=91, Resulting Numbers: [103, 91] Generated Node #0,1,4: 83:[103, 91] Operation: 64+27=91 Moving to Node #0,3,2 Current State: 83:[71, 69], Operations: ['7+64=71', '96-27=69'] Exploring Operation: 71*69=4899, Resulting Numbers: [4899] 4899,83 unequal: No Solution Exploring Operation: 71+69=140, Resulting Numbers: [140] 140,83 unequal: No Solution Exploring Operation: 71-69=2, Resulting Numbers: [2] 2,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[64, 76], Operations: ['96+7=103', '103-27=76'] Exploring Operation: 64+76=140, Resulting Numbers: [140] 140,83 unequal: No Solution Exploring Operation: 76-64=12, Resulting Numbers: [12] 12,83 unequal: No Solution Exploring Operation: 64*76=4864, Resulting Numbers: [4864] 4864,83 unequal: No Solution Moving to Node #0,2,3 Current State: 83:[96, 98], Operations: ['7+27=34', '64+34=98'] Exploring Operation: 98-96=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 96*98=9408, Resulting Numbers: [9408] 9408,83 unequal: No Solution Exploring Operation: 96+98=194, Resulting Numbers: [194] 194,83 unequal: No Solution Moving to Node #0,3,4 Current State: 83:[96, 98], Operations: ['7+64=71', '27+71=98'] Exploring Operation: 96+98=194, Resulting Numbers: [194] 194,83 unequal: No Solution Exploring Operation: 98-96=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 96*98=9408, Resulting Numbers: [9408] 9408,83 unequal: No Solution Moving to Node #0,1,4 Current State: 83:[103, 91], Operations: ['96+7=103', '64+27=91'] Exploring Operation: 103+91=194, Resulting Numbers: [194] 194,83 unequal: No Solution Exploring Operation: 103*91=9373, Resulting Numbers: [9373] 9373,83 unequal: No Solution Exploring Operation: 103-91=12, Resulting Numbers: [12] 12,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[64, 62], Operations: ['7+27=34', '96-34=62'] Exploring Operation: 64+62=126, Resulting Numbers: [126] 126,83 unequal: No Solution Exploring Operation: 64*62=3968, Resulting Numbers: [3968] 3968,83 unequal: No Solution Exploring Operation: 64-62=2, Resulting Numbers: [2] 2,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[71, 123], Operations: ['7+64=71', '96+27=123'] Exploring Operation: 123-71=52, Resulting Numbers: [52] 52,83 unequal: No Solution Exploring Operation: 71+123=194, Resulting Numbers: [194] 194,83 unequal: No Solution Exploring Operation: 71*123=8733, Resulting Numbers: [8733] 8733,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[96, 44], Operations: ['7+64=71', '71-27=44'] Exploring Operation: 96-44=52, Resulting Numbers: [52] 52,83 unequal: No Solution Exploring Operation: 96+44=140, Resulting Numbers: [140] 140,83 unequal: No Solution Exploring Operation: 96*44=4224, Resulting Numbers: [4224] 4224,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[103, 37], Operations: ['96+7=103', '64-27=37'] Exploring Operation: 103+37=140, Resulting Numbers: [140] 140,83 unequal: No Solution Exploring Operation: 103*37=3811, Resulting Numbers: [3811] 3811,83 unequal: No Solution Exploring Operation: 103-37=66, Resulting Numbers: [66] 66,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[64, 130], Operations: ['96+7=103', '27+103=130'] Exploring Operation: 64*130=8320, Resulting Numbers: [8320] 8320,83 unequal: No Solution Exploring Operation: 64+130=194, Resulting Numbers: [194] 194,83 unequal: No Solution Exploring Operation: 130-64=66, Resulting Numbers: [66] 66,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[96, 30], Operations: ['7+27=34', '64-34=30'] Exploring Operation: 96+30=126, Resulting Numbers: [126] 126,83 unequal: No Solution Exploring Operation: 96*30=2880, Resulting Numbers: [2880] 2880,83 unequal: No Solution Exploring Operation: 96-30=66, Resulting Numbers: [66] 66,83 unequal: No Solution Moving to Node #0,2,4 Current State: 83:[64, 130], Operations: ['7+27=34', '96+34=130'] Exploring Operation: 130-64=66, Resulting Numbers: [66] 66,83 unequal: No Solution Exploring Operation: 64+130=194, Resulting Numbers: [194] 194,83 unequal: No Solution Exploring Operation: 64*130=8320, Resulting Numbers: [8320] 8320,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[27, 39], Operations: ['96+7=103', '103-64=39'] Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,83 unequal: No Solution Exploring Operation: 27+39=66, Resulting Numbers: [66] 66,83 unequal: No Solution Exploring Operation: 27*39=1053, Resulting Numbers: [1053] 1053,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[34, 32], Operations: ['7+27=34', '96-64=32'] Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 34+32=66, Resulting Numbers: [66] 66,83 unequal: No Solution Exploring Operation: 34*32=1088, Resulting Numbers: [1088] 1088,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[27, 25], Operations: ['7+64=71', '96-71=25'] Exploring Operation: 27*25=675, Resulting Numbers: [675] 675,83 unequal: No Solution Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 27+25=52, Resulting Numbers: [52] 52,83 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 70, 50, 58, 60 ]
56
[ "70+50=120", "120/60=2", "58-2=56" ]
Current State: 56:[70, 50, 58, 60], Operations: [] Exploring Operation: 70+50=120, Resulting Numbers: [58, 60, 120] Generated Node #2: [58, 60, 120] from Operation: 70+50=120 Current State: 56:[58, 60, 120], Operations: ['70+50=120'] Exploring Operation: 120/60=2, Resulting Numbers: [58, 2] Generated Node #3: [58, 2] from Operation: 120/60=2 Current State: 56:[58, 2], Operations: ['70+50=120', '120/60=2'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[70, 50, 58, 60], Operations: [] Exploring Operation: 70-50=20, Resulting Numbers: [58, 60, 20] Generated Node #0,0: 56:[58, 60, 20] Operation: 70-50=20 Exploring Operation: 70-58=12, Resulting Numbers: [50, 60, 12] Generated Node #0,1: 56:[50, 60, 12] Operation: 70-58=12 Exploring Operation: 70-60=10, Resulting Numbers: [50, 58, 10] Generated Node #0,2: 56:[50, 58, 10] Operation: 70-60=10 Moving to Node #0,2 Current State: 56:[50, 58, 10], Operations: ['70-60=10'] Exploring Operation: 58-50=8, Resulting Numbers: [10, 8] Generated Node #0,2,0: 56:[10, 8] Operation: 58-50=8 Exploring Operation: 50+10=60, Resulting Numbers: [58, 60] Generated Node #0,2,1: 56:[58, 60] Operation: 50+10=60 Exploring Operation: 50/10=5, Resulting Numbers: [58, 5] Generated Node #0,2,2: 56:[58, 5] Operation: 50/10=5 Moving to Node #0,0 Current State: 56:[58, 60, 20], Operations: ['70-50=20'] Exploring Operation: 60-58=2, Resulting Numbers: [20, 2] Generated Node #0,0,0: 56:[20, 2] Operation: 60-58=2 Exploring Operation: 60/20=3, Resulting Numbers: [58, 3] Generated Node #0,0,1: 56:[58, 3] Operation: 60/20=3 Exploring Operation: 58-20=38, Resulting Numbers: [60, 38] Generated Node #0,0,2: 56:[60, 38] Operation: 58-20=38 Moving to Node #0,1 Current State: 56:[50, 60, 12], Operations: ['70-58=12'] Exploring Operation: 50+12=62, Resulting Numbers: [60, 62] Generated Node #0,1,0: 56:[60, 62] Operation: 50+12=62 Exploring Operation: 60/12=5, Resulting Numbers: [50, 5] Generated Node #0,1,1: 56:[50, 5] Operation: 60/12=5 Exploring Operation: 60-50=10, Resulting Numbers: [12, 10] Generated Node #0,1,2: 56:[12, 10] Operation: 60-50=10 Moving to Node #0,2,0 Current State: 56:[10, 8], Operations: ['70-60=10', '58-50=8'] Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,56 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,56 unequal: No Solution Moving to Node #0,2,2 Current State: 56:[58, 5], Operations: ['70-60=10', '50/10=5'] Exploring Operation: 58*5=290, Resulting Numbers: [290] 290,56 unequal: No Solution Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,56 unequal: No Solution Exploring Operation: 58+5=63, Resulting Numbers: [63] 63,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[58, 3], Operations: ['70-50=20', '60/20=3'] Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,56 unequal: No Solution Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,56 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,56 unequal: No Solution Moving to Node #0,1,2 Current State: 56:[12, 10], Operations: ['70-58=12', '60-50=10'] Exploring Operation: 12*10=120, Resulting Numbers: [120] 120,56 unequal: No Solution Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 12+10=22, Resulting Numbers: [22] 22,56 unequal: No Solution Moving to Node #0,2,1 Current State: 56:[58, 60], Operations: ['70-60=10', '50+10=60'] Exploring Operation: 58*60=3480, Resulting Numbers: [3480] 3480,56 unequal: No Solution Exploring Operation: 58+60=118, Resulting Numbers: [118] 118,56 unequal: No Solution Exploring Operation: 60-58=2, Resulting Numbers: [2] 2,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[20, 2], Operations: ['70-50=20', '60-58=2'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,56 unequal: No Solution Moving to Node #0,1,1 Current State: 56:[50, 5], Operations: ['70-58=12', '60/12=5'] Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,56 unequal: No Solution Exploring Operation: 50+5=55, Resulting Numbers: [55] 55,56 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,56 unequal: No Solution Moving to Node #0,1,0 Current State: 56:[60, 62], Operations: ['70-58=12', '50+12=62'] Exploring Operation: 60+62=122, Resulting Numbers: [122] 122,56 unequal: No Solution Exploring Operation: 60*62=3720, Resulting Numbers: [3720] 3720,56 unequal: No Solution Exploring Operation: 62-60=2, Resulting Numbers: [2] 2,56 unequal: No Solution Moving to Node #0,0,2 Current State: 56:[60, 38], Operations: ['70-50=20', '58-20=38'] Exploring Operation: 60-38=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 60+38=98, Resulting Numbers: [98] 98,56 unequal: No Solution Exploring Operation: 60*38=2280, Resulting Numbers: [2280] 2280,56 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 1, 84, 43, 30 ]
32
[ "43-1=42", "84/42=2", "30+2=32" ]
Current State: 32:[1, 84, 43, 30], Operations: [] Exploring Operation: 43-1=42, Resulting Numbers: [84, 30, 42] Generated Node #2: [84, 30, 42] from Operation: 43-1=42 Current State: 32:[84, 30, 42], Operations: ['43-1=42'] Exploring Operation: 84/42=2, Resulting Numbers: [30, 2] Generated Node #3: [30, 2] from Operation: 84/42=2 Current State: 32:[30, 2], Operations: ['43-1=42', '84/42=2'] Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[1, 84, 43, 30], Operations: [] Exploring Operation: 84-30=54, Resulting Numbers: [1, 43, 54] Generated Node #0,0: 32:[1, 43, 54] Operation: 84-30=54 Exploring Operation: 84-1=83, Resulting Numbers: [43, 30, 83] Generated Node #0,1: 32:[43, 30, 83] Operation: 84-1=83 Exploring Operation: 43-30=13, Resulting Numbers: [1, 84, 13] Generated Node #0,2: 32:[1, 84, 13] Operation: 43-30=13 Exploring Operation: 43-1=42, Resulting Numbers: [84, 30, 42] Generated Node #0,3: 32:[84, 30, 42] Operation: 43-1=42 Exploring Operation: 84-43=41, Resulting Numbers: [1, 30, 41] Generated Node #0,4: 32:[1, 30, 41] Operation: 84-43=41 Moving to Node #0,4 Current State: 32:[1, 30, 41], Operations: ['84-43=41'] Exploring Operation: 30/1=30, Resulting Numbers: [41, 30] Generated Node #0,4,0: 32:[41, 30] Operation: 30/1=30 Exploring Operation: 1*30=30, Resulting Numbers: [41, 30] Generated Node #0,4,1: 32:[41, 30] Operation: 1*30=30 Exploring Operation: 41-30=11, Resulting Numbers: [1, 11] Generated Node #0,4,2: 32:[1, 11] Operation: 41-30=11 Exploring Operation: 41-1=40, Resulting Numbers: [30, 40] Generated Node #0,4,3: 32:[30, 40] Operation: 41-1=40 Exploring Operation: 1+30=31, Resulting Numbers: [41, 31] Generated Node #0,4,4: 32:[41, 31] Operation: 1+30=31 Moving to Node #0,0 Current State: 32:[1, 43, 54], Operations: ['84-30=54'] Exploring Operation: 1*43=43, Resulting Numbers: [54, 43] Generated Node #0,0,0: 32:[54, 43] Operation: 1*43=43 Exploring Operation: 54-1=53, Resulting Numbers: [43, 53] Generated Node #0,0,1: 32:[43, 53] Operation: 54-1=53 Exploring Operation: 54-43=11, Resulting Numbers: [1, 11] Generated Node #0,0,2: 32:[1, 11] Operation: 54-43=11 Exploring Operation: 43/1=43, Resulting Numbers: [54, 43] Generated Node #0,0,3: 32:[54, 43] Operation: 43/1=43 Exploring Operation: 43-1=42, Resulting Numbers: [54, 42] Generated Node #0,0,4: 32:[54, 42] Operation: 43-1=42 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 32:[1, 11], Operations: ['84-30=54', '54-43=11'] Exploring Operation: 1*11=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,32 unequal: No Solution Exploring Operation: 1+11=12, Resulting Numbers: [12] 12,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 32:[43, 53], Operations: ['84-30=54', '54-1=53'] Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,32 unequal: No Solution Exploring Operation: 43*53=2279, Resulting Numbers: [2279] 2279,32 unequal: No Solution Exploring Operation: 43+53=96, Resulting Numbers: [96] 96,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 32:[54, 42], Operations: ['84-30=54', '43-1=42'] Exploring Operation: 54+42=96, Resulting Numbers: [96] 96,32 unequal: No Solution Exploring Operation: 54-42=12, Resulting Numbers: [12] 12,32 unequal: No Solution Exploring Operation: 54*42=2268, Resulting Numbers: [2268] 2268,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[54, 43], Operations: ['84-30=54', '1*43=43'] Exploring Operation: 54*43=2322, Resulting Numbers: [2322] 2322,32 unequal: No Solution Exploring Operation: 54-43=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 54+43=97, Resulting Numbers: [97] 97,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 32:[54, 43], Operations: ['84-30=54', '43/1=43'] Exploring Operation: 54+43=97, Resulting Numbers: [97] 97,32 unequal: No Solution Exploring Operation: 54-43=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 54*43=2322, Resulting Numbers: [2322] 2322,32 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: 32:[1, 84, 13], Operations: ['43-30=13'] Exploring Operation: 1*84=84, Resulting Numbers: [13, 84] Generated Node #0,2,0: 32:[13, 84] Operation: 1*84=84 Exploring Operation: 84/1=84, Resulting Numbers: [13, 84] Generated Node #0,2,1: 32:[13, 84] Operation: 84/1=84 Exploring Operation: 1+13=14, Resulting Numbers: [84, 14] Generated Node #0,2,2: 32:[84, 14] Operation: 1+13=14 Exploring Operation: 84-13=71, Resulting Numbers: [1, 71] Generated Node #0,2,3: 32:[1, 71] Operation: 84-13=71 Exploring Operation: 84-1=83, Resulting Numbers: [13, 83] Generated Node #0,2,4: 32:[13, 83] Operation: 84-1=83 Moving to Node #0,1 Current State: 32:[43, 30, 83], Operations: ['84-1=83'] Exploring Operation: 30+83=113, Resulting Numbers: [43, 113] Generated Node #0,1,0: 32:[43, 113] Operation: 30+83=113 Exploring Operation: 83-43=40, Resulting Numbers: [30, 40] Generated Node #0,1,1: 32:[30, 40] Operation: 83-43=40 Exploring Operation: 43-30=13, Resulting Numbers: [83, 13] Generated Node #0,1,2: 32:[83, 13] Operation: 43-30=13 Exploring Operation: 43+30=73, Resulting Numbers: [83, 73] Generated Node #0,1,3: 32:[83, 73] Operation: 43+30=73 Exploring Operation: 83-30=53, Resulting Numbers: [43, 53] Generated Node #0,1,4: 32:[43, 53] Operation: 83-30=53 Moving to Node #0,3 Current State: 32:[84, 30, 42], Operations: ['43-1=42'] Exploring Operation: 84+30=114, Resulting Numbers: [42, 114] Generated Node #0,3,0: 32:[42, 114] Operation: 84+30=114 Exploring Operation: 84-42=42, Resulting Numbers: [30, 42] Generated Node #0,3,1: 32:[30, 42] Operation: 84-42=42 Exploring Operation: 84-30=54, Resulting Numbers: [42, 54] Generated Node #0,3,2: 32:[42, 54] Operation: 84-30=54 Exploring Operation: 42-30=12, Resulting Numbers: [84, 12] Generated Node #0,3,3: 32:[84, 12] Operation: 42-30=12 Exploring Operation: 84/42=2, Resulting Numbers: [30, 2] Generated Node #0,3,4: 32:[30, 2] Operation: 84/42=2 Moving to Node #0,3,4 Current State: 32:[30, 2], Operations: ['43-1=42', '84/42=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[1, 84, 43, 30], Operations: [] Exploring Operation: 43-1=42, Resulting Numbers: [84, 30, 42] Generated Node #0,3: 32:[84, 30, 42] Operation: 43-1=42 Moving to Node #0,3 Current State: 32:[84, 30, 42], Operations: ['43-1=42'] Exploring Operation: 84/42=2, Resulting Numbers: [30, 2] Generated Node #0,3,4: 32:[30, 2] Operation: 84/42=2 Moving to Node #0,3,4 Current State: 32:[30, 2], Operations: ['43-1=42', '84/42=2'] Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
0.953993
hs_5
mult_heuristic
[ 15, 82, 49, 10 ]
38
[ "15+82=97", "49+10=59", "97-59=38" ]
Current State: 38:[15, 82, 49, 10], Operations: [] Exploring Operation: 15+82=97, Resulting Numbers: [49, 10, 97] Generated Node #2: [49, 10, 97] from Operation: 15+82=97 Current State: 38:[49, 10, 97], Operations: ['15+82=97'] Exploring Operation: 49+10=59, Resulting Numbers: [97, 59] Generated Node #3: [97, 59] from Operation: 49+10=59 Current State: 38:[97, 59], Operations: ['15+82=97', '49+10=59'] Exploring Operation: 97-59=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[15, 82, 49, 10], Operations: [] Exploring Operation: 82-49=33, Resulting Numbers: [15, 10, 33] Generated Node #0,0: 38:[15, 10, 33] Operation: 82-49=33 Exploring Operation: 82-15=67, Resulting Numbers: [49, 10, 67] Generated Node #0,1: 38:[49, 10, 67] Operation: 82-15=67 Moving to Node #0,0 Current State: 38:[15, 10, 33], Operations: ['82-49=33'] Exploring Operation: 33-10=23, Resulting Numbers: [15, 23] Generated Node #0,0,0: 38:[15, 23] Operation: 33-10=23 Exploring Operation: 15-10=5, Resulting Numbers: [33, 5] Generated Node #0,0,1: 38:[33, 5] Operation: 15-10=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 38:[15, 23], Operations: ['82-49=33', '33-10=23'] Exploring Operation: 23-15=8, Resulting Numbers: [8] 8,38 unequal: No Solution Exploring Operation: 15+23=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[15, 82, 49, 10], Operations: [] Exploring Operation: 82-49=33, Resulting Numbers: [15, 10, 33] Generated Node #0,0: 38:[15, 10, 33] Operation: 82-49=33 Moving to Node #0,0 Current State: 38:[15, 10, 33], Operations: ['82-49=33'] Exploring Operation: 33-10=23, Resulting Numbers: [15, 23] Generated Node #0,0,0: 38:[15, 23] Operation: 33-10=23 Moving to Node #0,0,0 Current State: 38:[15, 23], Operations: ['82-49=33', '33-10=23'] Exploring Operation: 15+23=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 77, 39, 78, 16 ]
22
[ "77+39=116", "78+16=94", "116-94=22" ]
Current State: 22:[77, 39, 78, 16], Operations: [] Exploring Operation: 77+39=116, Resulting Numbers: [78, 16, 116] Generated Node #2: [78, 16, 116] from Operation: 77+39=116 Current State: 22:[78, 16, 116], Operations: ['77+39=116'] Exploring Operation: 78+16=94, Resulting Numbers: [116, 94] Generated Node #3: [116, 94] from Operation: 78+16=94 Current State: 22:[116, 94], Operations: ['77+39=116', '78+16=94'] Exploring Operation: 116-94=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[77, 39, 78, 16], Operations: [] Exploring Operation: 78/39=2, Resulting Numbers: [77, 16, 2] Generated Node #0,0: 22:[77, 16, 2] Operation: 78/39=2 Exploring Operation: 77-39=38, Resulting Numbers: [78, 16, 38] Generated Node #0,1: 22:[78, 16, 38] Operation: 77-39=38 Exploring Operation: 78-39=39, Resulting Numbers: [77, 16, 39] Generated Node #0,2: 22:[77, 16, 39] Operation: 78-39=39 Exploring Operation: 78-77=1, Resulting Numbers: [39, 16, 1] Generated Node #0,3: 22:[39, 16, 1] Operation: 78-77=1 Start Sub Search at level 1: Moving to Node #0,3 Current State: 22:[39, 16, 1], Operations: ['78-77=1'] Exploring Operation: 16-1=15, Resulting Numbers: [39, 15] Generated Node #0,3,0: 22:[39, 15] Operation: 16-1=15 Exploring Operation: 39-1=38, Resulting Numbers: [16, 38] Generated Node #0,3,1: 22:[16, 38] Operation: 39-1=38 Exploring Operation: 39*1=39, Resulting Numbers: [16, 39] Generated Node #0,3,2: 22:[16, 39] Operation: 39*1=39 Exploring Operation: 39-16=23, Resulting Numbers: [1, 23] Generated Node #0,3,3: 22:[1, 23] Operation: 39-16=23 Moving to Node #0,3,3 Current State: 22:[1, 23], Operations: ['78-77=1', '39-16=23'] Exploring Operation: 23/1=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 1*23=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[77, 39, 78, 16], Operations: [] Exploring Operation: 78-77=1, Resulting Numbers: [39, 16, 1] Generated Node #0,3: 22:[39, 16, 1] Operation: 78-77=1 Moving to Node #0,3 Current State: 22:[39, 16, 1], Operations: ['78-77=1'] Exploring Operation: 39-16=23, Resulting Numbers: [1, 23] Generated Node #0,3,3: 22:[1, 23] Operation: 39-16=23 Moving to Node #0,3,3 Current State: 22:[1, 23], Operations: ['78-77=1', '39-16=23'] Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 64, 12, 22, 32 ]
62
[ "64-12=52", "32-22=10", "52+10=62" ]
Current State: 62:[64, 12, 22, 32], Operations: [] Exploring Operation: 64-12=52, Resulting Numbers: [22, 32, 52] Generated Node #2: [22, 32, 52] from Operation: 64-12=52 Current State: 62:[22, 32, 52], Operations: ['64-12=52'] Exploring Operation: 32-22=10, Resulting Numbers: [52, 10] Generated Node #3: [52, 10] from Operation: 32-22=10 Current State: 62:[52, 10], Operations: ['64-12=52', '32-22=10'] Exploring Operation: 52+10=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[64, 12, 22, 32], Operations: [] Exploring Operation: 64/32=2, Resulting Numbers: [12, 22, 2] Generated Node #0,0: 62:[12, 22, 2] Operation: 64/32=2 Exploring Operation: 12+22=34, Resulting Numbers: [64, 32, 34] Generated Node #0,1: 62:[64, 32, 34] Operation: 12+22=34 Exploring Operation: 22-12=10, Resulting Numbers: [64, 32, 10] Generated Node #0,2: 62:[64, 32, 10] Operation: 22-12=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[64, 32, 34], Operations: ['12+22=34'] Exploring Operation: 64-34=30, Resulting Numbers: [32, 30] Generated Node #0,1,0: 62:[32, 30] Operation: 64-34=30 Exploring Operation: 34-32=2, Resulting Numbers: [64, 2] Generated Node #0,1,1: 62:[64, 2] Operation: 34-32=2 Exploring Operation: 64/32=2, Resulting Numbers: [34, 2] Generated Node #0,1,2: 62:[34, 2] Operation: 64/32=2 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 62:[32, 30], Operations: ['12+22=34', '64-34=30'] Exploring Operation: 32*30=960, Resulting Numbers: [960] 960,62 unequal: No Solution Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[64, 12, 22, 32], Operations: [] Exploring Operation: 12+22=34, Resulting Numbers: [64, 32, 34] Generated Node #0,1: 62:[64, 32, 34] Operation: 12+22=34 Moving to Node #0,1 Current State: 62:[64, 32, 34], Operations: ['12+22=34'] Exploring Operation: 64-34=30, Resulting Numbers: [32, 30] Generated Node #0,1,0: 62:[32, 30] Operation: 64-34=30 Moving to Node #0,1,0 Current State: 62:[32, 30], Operations: ['12+22=34', '64-34=30'] Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 3, 18, 51, 72 ]
27
[ "18/3=6", "72-51=21", "6+21=27" ]
Current State: 27:[3, 18, 51, 72], Operations: [] Exploring Operation: 18/3=6, Resulting Numbers: [51, 72, 6] Generated Node #2: [51, 72, 6] from Operation: 18/3=6 Current State: 27:[51, 72, 6], Operations: ['18/3=6'] Exploring Operation: 72-51=21, Resulting Numbers: [6, 21] Generated Node #3: [6, 21] from Operation: 72-51=21 Current State: 27:[6, 21], Operations: ['18/3=6', '72-51=21'] Exploring Operation: 6+21=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[3, 18, 51, 72], Operations: [] Exploring Operation: 72/18=4, Resulting Numbers: [3, 51, 4] Generated Node #0,0: 27:[3, 51, 4] Operation: 72/18=4 Exploring Operation: 72/3=24, Resulting Numbers: [18, 51, 24] Generated Node #0,1: 27:[18, 51, 24] Operation: 72/3=24 Exploring Operation: 72-51=21, Resulting Numbers: [3, 18, 21] Generated Node #0,2: 27:[3, 18, 21] Operation: 72-51=21 Moving to Node #0,2 Current State: 27:[3, 18, 21], Operations: ['72-51=21'] Exploring Operation: 21/3=7, Resulting Numbers: [18, 7] Generated Node #0,2,0: 27:[18, 7] Operation: 21/3=7 Exploring Operation: 21-18=3, Resulting Numbers: [3, 3] Generated Node #0,2,1: 27:[3, 3] Operation: 21-18=3 Exploring Operation: 18/3=6, Resulting Numbers: [21, 6] Generated Node #0,2,2: 27:[21, 6] Operation: 18/3=6 Moving to Node #0,0 Current State: 27:[3, 51, 4], Operations: ['72/18=4'] Exploring Operation: 51/3=17, Resulting Numbers: [4, 17] Generated Node #0,0,0: 27:[4, 17] Operation: 51/3=17 Exploring Operation: 51-3=48, Resulting Numbers: [4, 48] Generated Node #0,0,1: 27:[4, 48] Operation: 51-3=48 Exploring Operation: 51-4=47, Resulting Numbers: [3, 47] Generated Node #0,0,2: 27:[3, 47] Operation: 51-4=47 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[4, 17], Operations: ['72/18=4', '51/3=17'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,27 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,27 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:[3, 47], Operations: ['72/18=4', '51-4=47'] Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,27 unequal: No Solution Exploring Operation: 3*47=141, Resulting Numbers: [141] 141,27 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 #0,0,1 Current State: 27:[4, 48], Operations: ['72/18=4', '51-3=48'] Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 4+48=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,27 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:[18, 51, 24], Operations: ['72/3=24'] Exploring Operation: 24-18=6, Resulting Numbers: [51, 6] Generated Node #0,1,0: 27:[51, 6] Operation: 24-18=6 Exploring Operation: 51-18=33, Resulting Numbers: [24, 33] Generated Node #0,1,1: 27:[24, 33] Operation: 51-18=33 Exploring Operation: 51-24=27, Resulting Numbers: [18, 27] Generated Node #0,1,2: 27:[18, 27] Operation: 51-24=27 Moving to Node #0,2,1 Current State: 27:[3, 3], Operations: ['72-51=21', '21-18=3'] Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,27 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,27 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,27 unequal: No Solution Moving to Node #0,2,2 Current State: 27:[21, 6], Operations: ['72-51=21', '18/3=6'] Exploring Operation: 21+6=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[3, 18, 51, 72], Operations: [] Exploring Operation: 72-51=21, Resulting Numbers: [3, 18, 21] Generated Node #0,2: 27:[3, 18, 21] Operation: 72-51=21 Moving to Node #0,2 Current State: 27:[3, 18, 21], Operations: ['72-51=21'] Exploring Operation: 18/3=6, Resulting Numbers: [21, 6] Generated Node #0,2,2: 27:[21, 6] Operation: 18/3=6 Moving to Node #0,2,2 Current State: 27:[21, 6], Operations: ['72-51=21', '18/3=6'] Exploring Operation: 21+6=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
0.974826
hs_3
sum_heuristic
[ 79, 3, 29, 27 ]
85
[ "29-27=2", "3*2=6", "79+6=85" ]
Current State: 85:[79, 3, 29, 27], Operations: [] Exploring Operation: 29-27=2, Resulting Numbers: [79, 3, 2] Generated Node #2: [79, 3, 2] from Operation: 29-27=2 Current State: 85:[79, 3, 2], Operations: ['29-27=2'] Exploring Operation: 3*2=6, Resulting Numbers: [79, 6] Generated Node #3: [79, 6] from Operation: 3*2=6 Current State: 85:[79, 6], Operations: ['29-27=2', '3*2=6'] Exploring Operation: 79+6=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[79, 3, 29, 27], Operations: [] Exploring Operation: 29-27=2, Resulting Numbers: [79, 3, 2] Generated Node #0,0: 85:[79, 3, 2] Operation: 29-27=2 Moving to Node #0,0 Current State: 85:[79, 3, 2], Operations: ['29-27=2'] Exploring Operation: 79+3=82, Resulting Numbers: [2, 82] Generated Node #0,0,0: 85:[2, 82] Operation: 79+3=82 Moving to Node #0,0,0 Current State: 85:[2, 82], Operations: ['29-27=2', '79+3=82'] Exploring Operation: 2+82=84, Resulting Numbers: [84] 84,85 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 51, 70, 40, 67 ]
57
[ "70-67=3", "51/3=17", "40+17=57" ]
Current State: 57:[51, 70, 40, 67], Operations: [] Exploring Operation: 70-67=3, Resulting Numbers: [51, 40, 3] Generated Node #2: [51, 40, 3] from Operation: 70-67=3 Current State: 57:[51, 40, 3], Operations: ['70-67=3'] Exploring Operation: 51/3=17, Resulting Numbers: [40, 17] Generated Node #3: [40, 17] from Operation: 51/3=17 Current State: 57:[40, 17], Operations: ['70-67=3', '51/3=17'] Exploring Operation: 40+17=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[51, 70, 40, 67], Operations: [] Exploring Operation: 70-51=19, Resulting Numbers: [40, 67, 19] Generated Node #0,0: 57:[40, 67, 19] Operation: 70-51=19 Exploring Operation: 70-67=3, Resulting Numbers: [51, 40, 3] Generated Node #0,1: 57:[51, 40, 3] Operation: 70-67=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[51, 40, 3], Operations: ['70-67=3'] Exploring Operation: 51/3=17, Resulting Numbers: [40, 17] Generated Node #0,1,0: 57:[40, 17] Operation: 51/3=17 Exploring Operation: 51-40=11, Resulting Numbers: [3, 11] Generated Node #0,1,1: 57:[3, 11] Operation: 51-40=11 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 57:[3, 11], Operations: ['70-67=3', '51-40=11'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 57:[40, 17], Operations: ['70-67=3', '51/3=17'] Exploring Operation: 40-17=23, Resulting Numbers: [23] 23,57 unequal: No Solution Exploring Operation: 40+17=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[51, 70, 40, 67], Operations: [] Exploring Operation: 70-67=3, Resulting Numbers: [51, 40, 3] Generated Node #0,1: 57:[51, 40, 3] Operation: 70-67=3 Moving to Node #0,1 Current State: 57:[51, 40, 3], Operations: ['70-67=3'] Exploring Operation: 51/3=17, Resulting Numbers: [40, 17] Generated Node #0,1,0: 57:[40, 17] Operation: 51/3=17 Moving to Node #0,1,0 Current State: 57:[40, 17], Operations: ['70-67=3', '51/3=17'] Exploring Operation: 40+17=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 34, 80, 14, 85 ]
81
[ "34-14=20", "80/20=4", "85-4=81" ]
Current State: 81:[34, 80, 14, 85], Operations: [] Exploring Operation: 34-14=20, Resulting Numbers: [80, 85, 20] Generated Node #2: [80, 85, 20] from Operation: 34-14=20 Current State: 81:[80, 85, 20], Operations: ['34-14=20'] Exploring Operation: 80/20=4, Resulting Numbers: [85, 4] Generated Node #3: [85, 4] from Operation: 80/20=4 Current State: 81:[85, 4], Operations: ['34-14=20', '80/20=4'] Exploring Operation: 85-4=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[34, 80, 14, 85], Operations: [] Exploring Operation: 80+14=94, Resulting Numbers: [34, 85, 94] Generated Node #0,0: 81:[34, 85, 94] Operation: 80+14=94 Exploring Operation: 85-80=5, Resulting Numbers: [34, 14, 5] Generated Node #0,1: 81:[34, 14, 5] Operation: 85-80=5 Exploring Operation: 34-14=20, Resulting Numbers: [80, 85, 20] Generated Node #0,2: 81:[80, 85, 20] Operation: 34-14=20 Exploring Operation: 85-14=71, Resulting Numbers: [34, 80, 71] Generated Node #0,3: 81:[34, 80, 71] Operation: 85-14=71 Exploring Operation: 34+14=48, Resulting Numbers: [80, 85, 48] Generated Node #0,4: 81:[80, 85, 48] Operation: 34+14=48 Start Sub Search at level 1: Moving to Node #0,2 Current State: 81:[80, 85, 20], Operations: ['34-14=20'] Exploring Operation: 85-80=5, Resulting Numbers: [20, 5] Generated Node #0,2,0: 81:[20, 5] Operation: 85-80=5 Exploring Operation: 80/20=4, Resulting Numbers: [85, 4] Generated Node #0,2,1: 81:[85, 4] Operation: 80/20=4 Exploring Operation: 80+20=100, Resulting Numbers: [85, 100] Generated Node #0,2,2: 81:[85, 100] Operation: 80+20=100 Exploring Operation: 85-20=65, Resulting Numbers: [80, 65] Generated Node #0,2,3: 81:[80, 65] Operation: 85-20=65 Exploring Operation: 80-20=60, Resulting Numbers: [85, 60] Generated Node #0,2,4: 81:[85, 60] Operation: 80-20=60 Moving to Node #0,2,1 Current State: 81:[85, 4], Operations: ['34-14=20', '80/20=4'] Exploring Operation: 85+4=89, Resulting Numbers: [89] 89,81 unequal: No Solution Exploring Operation: 85-4=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[34, 80, 14, 85], Operations: [] Exploring Operation: 34-14=20, Resulting Numbers: [80, 85, 20] Generated Node #0,2: 81:[80, 85, 20] Operation: 34-14=20 Moving to Node #0,2 Current State: 81:[80, 85, 20], Operations: ['34-14=20'] Exploring Operation: 80/20=4, Resulting Numbers: [85, 4] Generated Node #0,2,1: 81:[85, 4] Operation: 80/20=4 Moving to Node #0,2,1 Current State: 81:[85, 4], Operations: ['34-14=20', '80/20=4'] Exploring Operation: 85-4=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 9, 79, 61, 20 ]
18
[ "79-61=18", "18/9=2", "20-2=18" ]
Current State: 18:[9, 79, 61, 20], Operations: [] Exploring Operation: 79-61=18, Resulting Numbers: [9, 20, 18] Generated Node #2: [9, 20, 18] from Operation: 79-61=18 Current State: 18:[9, 20, 18], Operations: ['79-61=18'] Exploring Operation: 18/9=2, Resulting Numbers: [20, 2] Generated Node #3: [20, 2] from Operation: 18/9=2 Current State: 18:[20, 2], Operations: ['79-61=18', '18/9=2'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[9, 79, 61, 20], Operations: [] Exploring Operation: 61-20=41, Resulting Numbers: [9, 79, 41] Generated Node #0,0: 18:[9, 79, 41] Operation: 61-20=41 Exploring Operation: 79-20=59, Resulting Numbers: [9, 61, 59] Generated Node #0,1: 18:[9, 61, 59] Operation: 79-20=59 Exploring Operation: 79-61=18, Resulting Numbers: [9, 20, 18] Generated Node #0,2: 18:[9, 20, 18] Operation: 79-61=18 Moving to Node #0,2 Current State: 18:[9, 20, 18], Operations: ['79-61=18'] Exploring Operation: 20-9=11, Resulting Numbers: [18, 11] Generated Node #0,2,0: 18:[18, 11] Operation: 20-9=11 Exploring Operation: 20-18=2, Resulting Numbers: [9, 2] Generated Node #0,2,1: 18:[9, 2] Operation: 20-18=2 Exploring Operation: 18-9=9, Resulting Numbers: [20, 9] Generated Node #0,2,2: 18:[20, 9] Operation: 18-9=9 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 18:[9, 2], Operations: ['79-61=18', '20-18=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[9, 79, 61, 20], Operations: [] Exploring Operation: 79-61=18, Resulting Numbers: [9, 20, 18] Generated Node #0,2: 18:[9, 20, 18] Operation: 79-61=18 Moving to Node #0,2 Current State: 18:[9, 20, 18], Operations: ['79-61=18'] Exploring Operation: 20-18=2, Resulting Numbers: [9, 2] Generated Node #0,2,1: 18:[9, 2] Operation: 20-18=2 Moving to Node #0,2,1 Current State: 18:[9, 2], Operations: ['79-61=18', '20-18=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 1, 17, 30, 89 ]
51
[ "1+89=90", "17*90=1530", "1530/30=51" ]
Current State: 51:[1, 17, 30, 89], Operations: [] Exploring Operation: 1+89=90, Resulting Numbers: [17, 30, 90] Generated Node #2: [17, 30, 90] from Operation: 1+89=90 Current State: 51:[17, 30, 90], Operations: ['1+89=90'] Exploring Operation: 17*90=1530, Resulting Numbers: [30, 1530] Generated Node #3: [30, 1530] from Operation: 17*90=1530 Current State: 51:[30, 1530], Operations: ['1+89=90', '17*90=1530'] Exploring Operation: 1530/30=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[1, 17, 30, 89], Operations: [] Exploring Operation: 89-17=72, Resulting Numbers: [1, 30, 72] Generated Node #0,0: 51:[1, 30, 72] Operation: 89-17=72 Exploring Operation: 17+30=47, Resulting Numbers: [1, 89, 47] Generated Node #0,1: 51:[1, 89, 47] Operation: 17+30=47 Exploring Operation: 89-30=59, Resulting Numbers: [1, 17, 59] Generated Node #0,2: 51:[1, 17, 59] Operation: 89-30=59 Moving to Node #0,2 Current State: 51:[1, 17, 59], Operations: ['89-30=59'] Exploring Operation: 1*17=17, Resulting Numbers: [59, 17] Generated Node #0,2,0: 51:[59, 17] Operation: 1*17=17 Exploring Operation: 17/1=17, Resulting Numbers: [59, 17] Generated Node #0,2,1: 51:[59, 17] Operation: 17/1=17 Exploring Operation: 59-1=58, Resulting Numbers: [17, 58] Generated Node #0,2,2: 51:[17, 58] Operation: 59-1=58 Moving to Node #0,0 Current State: 51:[1, 30, 72], Operations: ['89-17=72'] Exploring Operation: 30-1=29, Resulting Numbers: [72, 29] Generated Node #0,0,0: 51:[72, 29] Operation: 30-1=29 Exploring Operation: 72-1=71, Resulting Numbers: [30, 71] Generated Node #0,0,1: 51:[30, 71] Operation: 72-1=71 Exploring Operation: 72-30=42, Resulting Numbers: [1, 42] Generated Node #0,0,2: 51:[1, 42] Operation: 72-30=42 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 51:[1, 42], Operations: ['89-17=72', '72-30=42'] Exploring Operation: 1+42=43, Resulting Numbers: [43] 43,51 unequal: No Solution Exploring Operation: 1*42=42, Resulting Numbers: [42] 42,51 unequal: No Solution Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[72, 29], Operations: ['89-17=72', '30-1=29'] Exploring Operation: 72-29=43, Resulting Numbers: [43] 43,51 unequal: No Solution Exploring Operation: 72*29=2088, Resulting Numbers: [2088] 2088,51 unequal: No Solution Exploring Operation: 72+29=101, Resulting Numbers: [101] 101,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 51:[30, 71], Operations: ['89-17=72', '72-1=71'] Exploring Operation: 71-30=41, Resulting Numbers: [41] 41,51 unequal: No Solution Exploring Operation: 30*71=2130, Resulting Numbers: [2130] 2130,51 unequal: No Solution Exploring Operation: 30+71=101, Resulting Numbers: [101] 101,51 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: 51:[1, 89, 47], Operations: ['17+30=47'] Exploring Operation: 89-1=88, Resulting Numbers: [47, 88] Generated Node #0,1,0: 51:[47, 88] Operation: 89-1=88 Exploring Operation: 89-47=42, Resulting Numbers: [1, 42] Generated Node #0,1,1: 51:[1, 42] Operation: 89-47=42 Exploring Operation: 1+47=48, Resulting Numbers: [89, 48] Generated Node #0,1,2: 51:[89, 48] Operation: 1+47=48 Moving to Node #0,2,2 Current State: 51:[17, 58], Operations: ['89-30=59', '59-1=58'] Exploring Operation: 17+58=75, Resulting Numbers: [75] 75,51 unequal: No Solution Exploring Operation: 17*58=986, Resulting Numbers: [986] 986,51 unequal: No Solution Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[59, 17], Operations: ['89-30=59', '17/1=17'] Exploring Operation: 59-17=42, Resulting Numbers: [42] 42,51 unequal: No Solution Exploring Operation: 59*17=1003, Resulting Numbers: [1003] 1003,51 unequal: No Solution Exploring Operation: 59+17=76, Resulting Numbers: [76] 76,51 unequal: No Solution Moving to Node #0,2,0 Current State: 51:[59, 17], Operations: ['89-30=59', '1*17=17'] Exploring Operation: 59-17=42, Resulting Numbers: [42] 42,51 unequal: No Solution Exploring Operation: 59+17=76, Resulting Numbers: [76] 76,51 unequal: No Solution Exploring Operation: 59*17=1003, Resulting Numbers: [1003] 1003,51 unequal: No Solution Moving to Node #0,1,1 Current State: 51:[1, 42], Operations: ['17+30=47', '89-47=42'] Exploring Operation: 1+42=43, Resulting Numbers: [43] 43,51 unequal: No Solution Exploring Operation: 1*42=42, Resulting Numbers: [42] 42,51 unequal: No Solution Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,51 unequal: No Solution Moving to Node #0,1,0 Current State: 51:[47, 88], Operations: ['17+30=47', '89-1=88'] Exploring Operation: 47+88=135, Resulting Numbers: [135] 135,51 unequal: No Solution Exploring Operation: 88-47=41, Resulting Numbers: [41] 41,51 unequal: No Solution Exploring Operation: 47*88=4136, Resulting Numbers: [4136] 4136,51 unequal: No Solution Moving to Node #0,1,2 Current State: 51:[89, 48], Operations: ['17+30=47', '1+47=48'] Exploring Operation: 89+48=137, Resulting Numbers: [137] 137,51 unequal: No Solution Exploring Operation: 89-48=41, Resulting Numbers: [41] 41,51 unequal: No Solution Exploring Operation: 89*48=4272, Resulting Numbers: [4272] 4272,51 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 49, 18, 47, 94 ]
85
[ "49-47=2", "18/2=9", "94-9=85" ]
Current State: 85:[49, 18, 47, 94], Operations: [] Exploring Operation: 49-47=2, Resulting Numbers: [18, 94, 2] Generated Node #2: [18, 94, 2] from Operation: 49-47=2 Current State: 85:[18, 94, 2], Operations: ['49-47=2'] Exploring Operation: 18/2=9, Resulting Numbers: [94, 9] Generated Node #3: [94, 9] from Operation: 18/2=9 Current State: 85:[94, 9], Operations: ['49-47=2', '18/2=9'] Exploring Operation: 94-9=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[49, 18, 47, 94], Operations: [] Exploring Operation: 49+47=96, Resulting Numbers: [18, 94, 96] Generated Node #0,0: 85:[18, 94, 96] Operation: 49+47=96 Exploring Operation: 49-47=2, Resulting Numbers: [18, 94, 2] Generated Node #0,1: 85:[18, 94, 2] Operation: 49-47=2 Exploring Operation: 94/47=2, Resulting Numbers: [49, 18, 2] Generated Node #0,2: 85:[49, 18, 2] Operation: 94/47=2 Moving to Node #0,1 Current State: 85:[18, 94, 2], Operations: ['49-47=2'] Exploring Operation: 18-2=16, Resulting Numbers: [94, 16] Generated Node #0,1,0: 85:[94, 16] Operation: 18-2=16 Exploring Operation: 94-2=92, Resulting Numbers: [18, 92] Generated Node #0,1,1: 85:[18, 92] Operation: 94-2=92 Exploring Operation: 94-18=76, Resulting Numbers: [2, 76] Generated Node #0,1,2: 85:[2, 76] Operation: 94-18=76 Moving to Node #0,0 Current State: 85:[18, 94, 96], Operations: ['49+47=96'] Exploring Operation: 96-18=78, Resulting Numbers: [94, 78] Generated Node #0,0,0: 85:[94, 78] Operation: 96-18=78 Exploring Operation: 96-94=2, Resulting Numbers: [18, 2] Generated Node #0,0,1: 85:[18, 2] Operation: 96-94=2 Exploring Operation: 94-18=76, Resulting Numbers: [96, 76] Generated Node #0,0,2: 85:[96, 76] Operation: 94-18=76 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 85:[18, 2], Operations: ['49+47=96', '96-94=2'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,85 unequal: No Solution Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,85 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 85:[94, 78], Operations: ['49+47=96', '96-18=78'] Exploring Operation: 94+78=172, Resulting Numbers: [172] 172,85 unequal: No Solution Exploring Operation: 94*78=7332, Resulting Numbers: [7332] 7332,85 unequal: No Solution Exploring Operation: 94-78=16, Resulting Numbers: [16] 16,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 85:[96, 76], Operations: ['49+47=96', '94-18=76'] Exploring Operation: 96*76=7296, Resulting Numbers: [7296] 7296,85 unequal: No Solution Exploring Operation: 96-76=20, Resulting Numbers: [20] 20,85 unequal: No Solution Exploring Operation: 96+76=172, Resulting Numbers: [172] 172,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 85:[49, 18, 2], Operations: ['94/47=2'] Exploring Operation: 49*2=98, Resulting Numbers: [18, 98] Generated Node #0,2,0: 85:[18, 98] Operation: 49*2=98 Exploring Operation: 49+18=67, Resulting Numbers: [2, 67] Generated Node #0,2,1: 85:[2, 67] Operation: 49+18=67 Exploring Operation: 49-18=31, Resulting Numbers: [2, 31] Generated Node #0,2,2: 85:[2, 31] Operation: 49-18=31 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 85:[18, 98], Operations: ['94/47=2', '49*2=98'] Exploring Operation: 98-18=80, Resulting Numbers: [80] 80,85 unequal: No Solution Exploring Operation: 18*98=1764, Resulting Numbers: [1764] 1764,85 unequal: No Solution Exploring Operation: 18+98=116, Resulting Numbers: [116] 116,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 85:[2, 31], Operations: ['94/47=2', '49-18=31'] Exploring Operation: 2+31=33, Resulting Numbers: [33] 33,85 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,85 unequal: No Solution Exploring Operation: 2*31=62, Resulting Numbers: [62] 62,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 85:[2, 67], Operations: ['94/47=2', '49+18=67'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,85 unequal: No Solution Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,85 unequal: No Solution Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,85 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: 85:[18, 92], Operations: ['49-47=2', '94-2=92'] Exploring Operation: 18*92=1656, Resulting Numbers: [1656] 1656,85 unequal: No Solution Exploring Operation: 18+92=110, Resulting Numbers: [110] 110,85 unequal: No Solution Exploring Operation: 92-18=74, Resulting Numbers: [74] 74,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[94, 16], Operations: ['49-47=2', '18-2=16'] Exploring Operation: 94-16=78, Resulting Numbers: [78] 78,85 unequal: No Solution Exploring Operation: 94+16=110, Resulting Numbers: [110] 110,85 unequal: No Solution Exploring Operation: 94*16=1504, Resulting Numbers: [1504] 1504,85 unequal: No Solution Moving to Node #0,1,2 Current State: 85:[2, 76], Operations: ['49-47=2', '94-18=76'] Exploring Operation: 2+76=78, Resulting Numbers: [78] 78,85 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,85 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,85 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 19, 76, 3, 84 ]
85
[ "76-19=57", "84/3=28", "57+28=85" ]
Current State: 85:[19, 76, 3, 84], Operations: [] Exploring Operation: 76-19=57, Resulting Numbers: [3, 84, 57] Generated Node #2: [3, 84, 57] from Operation: 76-19=57 Current State: 85:[3, 84, 57], Operations: ['76-19=57'] Exploring Operation: 84/3=28, Resulting Numbers: [57, 28] Generated Node #3: [57, 28] from Operation: 84/3=28 Current State: 85:[57, 28], Operations: ['76-19=57', '84/3=28'] Exploring Operation: 57+28=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[19, 76, 3, 84], Operations: [] Exploring Operation: 19+76=95, Resulting Numbers: [3, 84, 95] Generated Node #0,0: 85:[3, 84, 95] Operation: 19+76=95 Exploring Operation: 84-76=8, Resulting Numbers: [19, 3, 8] Generated Node #0,1: 85:[19, 3, 8] Operation: 84-76=8 Exploring Operation: 76+3=79, Resulting Numbers: [19, 84, 79] Generated Node #0,2: 85:[19, 84, 79] Operation: 76+3=79 Exploring Operation: 76/19=4, Resulting Numbers: [3, 84, 4] Generated Node #0,3: 85:[3, 84, 4] Operation: 76/19=4 Exploring Operation: 19-3=16, Resulting Numbers: [76, 84, 16] Generated Node #0,4: 85:[76, 84, 16] Operation: 19-3=16 Start Sub Search at level 1: Moving to Node #0,3 Current State: 85:[3, 84, 4], Operations: ['76/19=4'] Exploring Operation: 84+4=88, Resulting Numbers: [3, 88] Generated Node #0,3,0: 85:[3, 88] Operation: 84+4=88 Exploring Operation: 3+84=87, Resulting Numbers: [4, 87] Generated Node #0,3,1: 85:[4, 87] Operation: 3+84=87 Exploring Operation: 4-3=1, Resulting Numbers: [84, 1] Generated Node #0,3,2: 85:[84, 1] Operation: 4-3=1 Exploring Operation: 84-3=81, Resulting Numbers: [4, 81] Generated Node #0,3,3: 85:[4, 81] Operation: 84-3=81 Exploring Operation: 3+4=7, Resulting Numbers: [84, 7] Generated Node #0,3,4: 85:[84, 7] Operation: 3+4=7 Moving to Node #0,3,1 Current State: 85:[4, 87], Operations: ['76/19=4', '3+84=87'] Exploring Operation: 4*87=348, Resulting Numbers: [348] 348,85 unequal: No Solution Exploring Operation: 87-4=83, Resulting Numbers: [83] 83,85 unequal: No Solution Exploring Operation: 4+87=91, Resulting Numbers: [91] 91,85 unequal: No Solution Moving to Node #0,3,4 Current State: 85:[84, 7], Operations: ['76/19=4', '3+4=7'] Exploring Operation: 84*7=588, Resulting Numbers: [588] 588,85 unequal: No Solution Exploring Operation: 84+7=91, Resulting Numbers: [91] 91,85 unequal: No Solution Exploring Operation: 84/7=12, Resulting Numbers: [12] 12,85 unequal: No Solution Exploring Operation: 84-7=77, Resulting Numbers: [77] 77,85 unequal: No Solution Moving to Node #0,3,0 Current State: 85:[3, 88], Operations: ['76/19=4', '84+4=88'] Exploring Operation: 3+88=91, Resulting Numbers: [91] 91,85 unequal: No Solution Exploring Operation: 88-3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[19, 76, 3, 84], Operations: [] Exploring Operation: 76/19=4, Resulting Numbers: [3, 84, 4] Generated Node #0,3: 85:[3, 84, 4] Operation: 76/19=4 Moving to Node #0,3 Current State: 85:[3, 84, 4], Operations: ['76/19=4'] Exploring Operation: 84+4=88, Resulting Numbers: [3, 88] Generated Node #0,3,0: 85:[3, 88] Operation: 84+4=88 Moving to Node #0,3,0 Current State: 85:[3, 88], Operations: ['76/19=4', '84+4=88'] Exploring Operation: 88-3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
mult_heuristic
[ 55, 22, 78, 20 ]
19
[ "55+22=77", "78-20=58", "77-58=19" ]
Current State: 19:[55, 22, 78, 20], Operations: [] Exploring Operation: 55+22=77, Resulting Numbers: [78, 20, 77] Generated Node #2: [78, 20, 77] from Operation: 55+22=77 Current State: 19:[78, 20, 77], Operations: ['55+22=77'] Exploring Operation: 78-20=58, Resulting Numbers: [77, 58] Generated Node #3: [77, 58] from Operation: 78-20=58 Current State: 19:[77, 58], Operations: ['55+22=77', '78-20=58'] Exploring Operation: 77-58=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[55, 22, 78, 20], Operations: [] Exploring Operation: 55-22=33, Resulting Numbers: [78, 20, 33] Generated Node #0,0: 19:[78, 20, 33] Operation: 55-22=33 Exploring Operation: 78-55=23, Resulting Numbers: [22, 20, 23] Generated Node #0,1: 19:[22, 20, 23] Operation: 78-55=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[22, 20, 23], Operations: ['78-55=23'] Exploring Operation: 23-22=1, Resulting Numbers: [20, 1] Generated Node #0,1,0: 19:[20, 1] Operation: 23-22=1 Exploring Operation: 23-20=3, Resulting Numbers: [22, 3] Generated Node #0,1,1: 19:[22, 3] Operation: 23-20=3 Moving to Node #0,1,0 Current State: 19:[20, 1], Operations: ['78-55=23', '23-22=1'] Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[55, 22, 78, 20], Operations: [] Exploring Operation: 78-55=23, Resulting Numbers: [22, 20, 23] Generated Node #0,1: 19:[22, 20, 23] Operation: 78-55=23 Moving to Node #0,1 Current State: 19:[22, 20, 23], Operations: ['78-55=23'] Exploring Operation: 23-22=1, Resulting Numbers: [20, 1] Generated Node #0,1,0: 19:[20, 1] Operation: 23-22=1 Moving to Node #0,1,0 Current State: 19:[20, 1], Operations: ['78-55=23', '23-22=1'] Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 81, 19, 15, 5 ]
19
[ "81-5=76", "19-15=4", "76/4=19" ]
Current State: 19:[81, 19, 15, 5], Operations: [] Exploring Operation: 81-5=76, Resulting Numbers: [19, 15, 76] Generated Node #2: [19, 15, 76] from Operation: 81-5=76 Current State: 19:[19, 15, 76], Operations: ['81-5=76'] Exploring Operation: 19-15=4, Resulting Numbers: [76, 4] Generated Node #3: [76, 4] from Operation: 19-15=4 Current State: 19:[76, 4], Operations: ['81-5=76', '19-15=4'] Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[81, 19, 15, 5], Operations: [] Exploring Operation: 81-5=76, Resulting Numbers: [19, 15, 76] Generated Node #0,0: 19:[19, 15, 76] Operation: 81-5=76 Exploring Operation: 81-19=62, Resulting Numbers: [15, 5, 62] Generated Node #0,1: 19:[15, 5, 62] Operation: 81-19=62 Exploring Operation: 81-15=66, Resulting Numbers: [19, 5, 66] Generated Node #0,2: 19:[19, 5, 66] Operation: 81-15=66 Exploring Operation: 15+5=20, Resulting Numbers: [81, 19, 20] Generated Node #0,3: 19:[81, 19, 20] Operation: 15+5=20 Moving to Node #0,0 Current State: 19:[19, 15, 76], Operations: ['81-5=76'] Exploring Operation: 76-15=61, Resulting Numbers: [19, 61] Generated Node #0,0,0: 19:[19, 61] Operation: 76-15=61 Exploring Operation: 76-19=57, Resulting Numbers: [15, 57] Generated Node #0,0,1: 19:[15, 57] Operation: 76-19=57 Exploring Operation: 76/19=4, Resulting Numbers: [15, 4] Generated Node #0,0,2: 19:[15, 4] Operation: 76/19=4 Exploring Operation: 19+15=34, Resulting Numbers: [76, 34] Generated Node #0,0,3: 19:[76, 34] Operation: 19+15=34 Moving to Node #0,2 Current State: 19:[19, 5, 66], Operations: ['81-15=66'] Exploring Operation: 19+5=24, Resulting Numbers: [66, 24] Generated Node #0,2,0: 19:[66, 24] Operation: 19+5=24 Exploring Operation: 19-5=14, Resulting Numbers: [66, 14] Generated Node #0,2,1: 19:[66, 14] Operation: 19-5=14 Exploring Operation: 66-5=61, Resulting Numbers: [19, 61] Generated Node #0,2,2: 19:[19, 61] Operation: 66-5=61 Exploring Operation: 66-19=47, Resulting Numbers: [5, 47] Generated Node #0,2,3: 19:[5, 47] Operation: 66-19=47 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 19:[19, 61], Operations: ['81-15=66', '66-5=61'] Exploring Operation: 19+61=80, Resulting Numbers: [80] 80,19 unequal: No Solution Exploring Operation: 19*61=1159, Resulting Numbers: [1159] 1159,19 unequal: No Solution Exploring Operation: 61-19=42, Resulting Numbers: [42] 42,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 19:[5, 47], Operations: ['81-15=66', '66-19=47'] Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,19 unequal: No Solution Exploring Operation: 5+47=52, Resulting Numbers: [52] 52,19 unequal: No Solution Exploring Operation: 5*47=235, Resulting Numbers: [235] 235,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 19:[66, 24], Operations: ['81-15=66', '19+5=24'] Exploring Operation: 66+24=90, Resulting Numbers: [90] 90,19 unequal: No Solution Exploring Operation: 66*24=1584, Resulting Numbers: [1584] 1584,19 unequal: No Solution Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 19:[66, 14], Operations: ['81-15=66', '19-5=14'] Exploring Operation: 66-14=52, Resulting Numbers: [52] 52,19 unequal: No Solution Exploring Operation: 66*14=924, Resulting Numbers: [924] 924,19 unequal: No Solution Exploring Operation: 66+14=80, Resulting Numbers: [80] 80,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 19:[15, 5, 62], Operations: ['81-19=62'] Exploring Operation: 15-5=10, Resulting Numbers: [62, 10] Generated Node #0,1,0: 19:[62, 10] Operation: 15-5=10 Exploring Operation: 15+5=20, Resulting Numbers: [62, 20] Generated Node #0,1,1: 19:[62, 20] Operation: 15+5=20 Exploring Operation: 62-5=57, Resulting Numbers: [15, 57] Generated Node #0,1,2: 19:[15, 57] Operation: 62-5=57 Exploring Operation: 62-15=47, Resulting Numbers: [5, 47] Generated Node #0,1,3: 19:[5, 47] Operation: 62-15=47 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 19:[15, 57], Operations: ['81-19=62', '62-5=57'] Exploring Operation: 15+57=72, Resulting Numbers: [72] 72,19 unequal: No Solution Exploring Operation: 15*57=855, Resulting Numbers: [855] 855,19 unequal: No Solution Exploring Operation: 57-15=42, Resulting Numbers: [42] 42,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 19:[5, 47], Operations: ['81-19=62', '62-15=47'] Exploring Operation: 5+47=52, Resulting Numbers: [52] 52,19 unequal: No Solution Exploring Operation: 5*47=235, Resulting Numbers: [235] 235,19 unequal: No Solution Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 19:[62, 20], Operations: ['81-19=62', '15+5=20'] Exploring Operation: 62*20=1240, Resulting Numbers: [1240] 1240,19 unequal: No Solution Exploring Operation: 62+20=82, Resulting Numbers: [82] 82,19 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 19:[62, 10], Operations: ['81-19=62', '15-5=10'] Exploring Operation: 62*10=620, Resulting Numbers: [620] 620,19 unequal: No Solution Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,19 unequal: No Solution Exploring Operation: 62+10=72, Resulting Numbers: [72] 72,19 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: 19:[81, 19, 20], Operations: ['15+5=20'] Exploring Operation: 81-20=61, Resulting Numbers: [19, 61] Generated Node #0,3,0: 19:[19, 61] Operation: 81-20=61 Exploring Operation: 81+19=100, Resulting Numbers: [20, 100] Generated Node #0,3,1: 19:[20, 100] Operation: 81+19=100 Exploring Operation: 20-19=1, Resulting Numbers: [81, 1] Generated Node #0,3,2: 19:[81, 1] Operation: 20-19=1 Exploring Operation: 81-19=62, Resulting Numbers: [20, 62] Generated Node #0,3,3: 19:[20, 62] Operation: 81-19=62 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 19:[19, 61], Operations: ['15+5=20', '81-20=61'] Exploring Operation: 19*61=1159, Resulting Numbers: [1159] 1159,19 unequal: No Solution Exploring Operation: 19+61=80, Resulting Numbers: [80] 80,19 unequal: No Solution Exploring Operation: 61-19=42, Resulting Numbers: [42] 42,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 19:[20, 62], Operations: ['15+5=20', '81-19=62'] Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,19 unequal: No Solution Exploring Operation: 20+62=82, Resulting Numbers: [82] 82,19 unequal: No Solution Exploring Operation: 20*62=1240, Resulting Numbers: [1240] 1240,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 19:[81, 1], Operations: ['15+5=20', '20-19=1'] Exploring Operation: 81/1=81, Resulting Numbers: [81] 81,19 unequal: No Solution Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,19 unequal: No Solution Exploring Operation: 81+1=82, Resulting Numbers: [82] 82,19 unequal: No Solution Exploring Operation: 81*1=81, Resulting Numbers: [81] 81,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 19:[20, 100], Operations: ['15+5=20', '81+19=100'] Exploring Operation: 100-20=80, Resulting Numbers: [80] 80,19 unequal: No Solution Exploring Operation: 20+100=120, Resulting Numbers: [120] 120,19 unequal: No Solution Exploring Operation: 20*100=2000, Resulting Numbers: [2000] 2000,19 unequal: No Solution Exploring Operation: 100/20=5, Resulting Numbers: [5] 5,19 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: 19:[15, 4], Operations: ['81-5=76', '76/19=4'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,19 unequal: No Solution Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[81, 19, 15, 5], Operations: [] Exploring Operation: 81-5=76, Resulting Numbers: [19, 15, 76] Generated Node #0,0: 19:[19, 15, 76] Operation: 81-5=76 Moving to Node #0,0 Current State: 19:[19, 15, 76], Operations: ['81-5=76'] Exploring Operation: 76/19=4, Resulting Numbers: [15, 4] Generated Node #0,0,2: 19:[15, 4] Operation: 76/19=4 Moving to Node #0,0,2 Current State: 19:[15, 4], Operations: ['81-5=76', '76/19=4'] Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
0.943576
hs_4
mult_heuristic
[ 20, 83, 11, 30 ]
22
[ "83-20=63", "11+30=41", "63-41=22" ]
Current State: 22:[20, 83, 11, 30], Operations: [] Exploring Operation: 83-20=63, Resulting Numbers: [11, 30, 63] Generated Node #2: [11, 30, 63] from Operation: 83-20=63 Current State: 22:[11, 30, 63], Operations: ['83-20=63'] Exploring Operation: 11+30=41, Resulting Numbers: [63, 41] Generated Node #3: [63, 41] from Operation: 11+30=41 Current State: 22:[63, 41], Operations: ['83-20=63', '11+30=41'] Exploring Operation: 63-41=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[20, 83, 11, 30], Operations: [] Exploring Operation: 83-20=63, Resulting Numbers: [11, 30, 63] Generated Node #0,0: 22:[11, 30, 63] Operation: 83-20=63 Exploring Operation: 83-30=53, Resulting Numbers: [20, 11, 53] Generated Node #0,1: 22:[20, 11, 53] Operation: 83-30=53 Exploring Operation: 83-11=72, Resulting Numbers: [20, 30, 72] Generated Node #0,2: 22:[20, 30, 72] Operation: 83-11=72 Moving to Node #0,1 Current State: 22:[20, 11, 53], Operations: ['83-30=53'] Exploring Operation: 20-11=9, Resulting Numbers: [53, 9] Generated Node #0,1,0: 22:[53, 9] Operation: 20-11=9 Exploring Operation: 53-11=42, Resulting Numbers: [20, 42] Generated Node #0,1,1: 22:[20, 42] Operation: 53-11=42 Exploring Operation: 53-20=33, Resulting Numbers: [11, 33] Generated Node #0,1,2: 22:[11, 33] Operation: 53-20=33 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 22:[11, 33], Operations: ['83-30=53', '53-20=33'] Exploring Operation: 11+33=44, Resulting Numbers: [44] 44,22 unequal: No Solution Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[20, 83, 11, 30], Operations: [] Exploring Operation: 83-30=53, Resulting Numbers: [20, 11, 53] Generated Node #0,1: 22:[20, 11, 53] Operation: 83-30=53 Moving to Node #0,1 Current State: 22:[20, 11, 53], Operations: ['83-30=53'] Exploring Operation: 53-20=33, Resulting Numbers: [11, 33] Generated Node #0,1,2: 22:[11, 33] Operation: 53-20=33 Moving to Node #0,1,2 Current State: 22:[11, 33], Operations: ['83-30=53', '53-20=33'] Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 80, 93, 25, 22 ]
49
[ "25-22=3", "93/3=31", "80-31=49" ]
Current State: 49:[80, 93, 25, 22], Operations: [] Exploring Operation: 25-22=3, Resulting Numbers: [80, 93, 3] Generated Node #2: [80, 93, 3] from Operation: 25-22=3 Current State: 49:[80, 93, 3], Operations: ['25-22=3'] Exploring Operation: 93/3=31, Resulting Numbers: [80, 31] Generated Node #3: [80, 31] from Operation: 93/3=31 Current State: 49:[80, 31], Operations: ['25-22=3', '93/3=31'] Exploring Operation: 80-31=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[80, 93, 25, 22], Operations: [] Exploring Operation: 93-80=13, Resulting Numbers: [25, 22, 13] Generated Node #0,0: 49:[25, 22, 13] Operation: 93-80=13 Moving to Node #0,0 Current State: 49:[25, 22, 13], Operations: ['93-80=13'] Exploring Operation: 25+22=47, Resulting Numbers: [13, 47] Generated Node #0,0,0: 49:[13, 47] Operation: 25+22=47 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[13, 47], Operations: ['93-80=13', '25+22=47'] Exploring Operation: 13+47=60, Resulting Numbers: [60] 60,49 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
[ 67, 36, 87, 3 ]
46
[ "67+87=154", "36*3=108", "154-108=46" ]
Current State: 46:[67, 36, 87, 3], Operations: [] Exploring Operation: 67+87=154, Resulting Numbers: [36, 3, 154] Generated Node #2: [36, 3, 154] from Operation: 67+87=154 Current State: 46:[36, 3, 154], Operations: ['67+87=154'] Exploring Operation: 36*3=108, Resulting Numbers: [154, 108] Generated Node #3: [154, 108] from Operation: 36*3=108 Current State: 46:[154, 108], Operations: ['67+87=154', '36*3=108'] Exploring Operation: 154-108=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[67, 36, 87, 3], Operations: [] Exploring Operation: 87-67=20, Resulting Numbers: [36, 3, 20] Generated Node #0,0: 46:[36, 3, 20] Operation: 87-67=20 Moving to Node #0,0 Current State: 46:[36, 3, 20], Operations: ['87-67=20'] Exploring Operation: 36-20=16, Resulting Numbers: [3, 16] Generated Node #0,0,0: 46:[3, 16] Operation: 36-20=16 Moving to Node #0,0,0 Current State: 46:[3, 16], Operations: ['87-67=20', '36-20=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,46 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 80, 39, 25, 4 ]
84
[ "80/4=20", "39+25=64", "20+64=84" ]
Current State: 84:[80, 39, 25, 4], Operations: [] Exploring Operation: 80/4=20, Resulting Numbers: [39, 25, 20] Generated Node #2: [39, 25, 20] from Operation: 80/4=20 Current State: 84:[39, 25, 20], Operations: ['80/4=20'] Exploring Operation: 39+25=64, Resulting Numbers: [20, 64] Generated Node #3: [20, 64] from Operation: 39+25=64 Current State: 84:[20, 64], Operations: ['80/4=20', '39+25=64'] Exploring Operation: 20+64=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[80, 39, 25, 4], Operations: [] Exploring Operation: 80/4=20, Resulting Numbers: [39, 25, 20] Generated Node #0,0: 84:[39, 25, 20] Operation: 80/4=20 Exploring Operation: 39-25=14, Resulting Numbers: [80, 4, 14] Generated Node #0,1: 84:[80, 4, 14] Operation: 39-25=14 Exploring Operation: 80-39=41, Resulting Numbers: [25, 4, 41] Generated Node #0,2: 84:[25, 4, 41] Operation: 80-39=41 Exploring Operation: 80+4=84, Resulting Numbers: [39, 25, 84] Generated Node #0,3: 84:[39, 25, 84] Operation: 80+4=84 Moving to Node #0,1 Current State: 84:[80, 4, 14], Operations: ['39-25=14'] Exploring Operation: 80/4=20, Resulting Numbers: [14, 20] Generated Node #0,1,0: 84:[14, 20] Operation: 80/4=20 Exploring Operation: 14-4=10, Resulting Numbers: [80, 10] Generated Node #0,1,1: 84:[80, 10] Operation: 14-4=10 Exploring Operation: 4+14=18, Resulting Numbers: [80, 18] Generated Node #0,1,2: 84:[80, 18] Operation: 4+14=18 Exploring Operation: 80+4=84, Resulting Numbers: [14, 84] Generated Node #0,1,3: 84:[14, 84] Operation: 80+4=84 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 84:[14, 84], Operations: ['39-25=14', '80+4=84'] Exploring Operation: 84/14=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 14*84=1176, Resulting Numbers: [1176] 1176,84 unequal: No Solution Exploring Operation: 14+84=98, Resulting Numbers: [98] 98,84 unequal: No Solution Exploring Operation: 84-14=70, Resulting Numbers: [70] 70,84 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 #0,1,0 Current State: 84:[14, 20], Operations: ['39-25=14', '80/4=20'] Exploring Operation: 14+20=34, Resulting Numbers: [34] 34,84 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 14*20=280, Resulting Numbers: [280] 280,84 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 #0,1,1 Current State: 84:[80, 10], Operations: ['39-25=14', '14-4=10'] Exploring Operation: 80-10=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 80+10=90, Resulting Numbers: [90] 90,84 unequal: No Solution Exploring Operation: 80*10=800, Resulting Numbers: [800] 800,84 unequal: No Solution Exploring Operation: 80/10=8, Resulting Numbers: [8] 8,84 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 #0,1,2 Current State: 84:[80, 18], Operations: ['39-25=14', '4+14=18'] Exploring Operation: 80+18=98, Resulting Numbers: [98] 98,84 unequal: No Solution Exploring Operation: 80*18=1440, Resulting Numbers: [1440] 1440,84 unequal: No Solution Exploring Operation: 80-18=62, Resulting Numbers: [62] 62,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 84:[25, 4, 41], Operations: ['80-39=41'] Exploring Operation: 4+41=45, Resulting Numbers: [25, 45] Generated Node #0,2,0: 84:[25, 45] Operation: 4+41=45 Exploring Operation: 25+4=29, Resulting Numbers: [41, 29] Generated Node #0,2,1: 84:[41, 29] Operation: 25+4=29 Exploring Operation: 41-25=16, Resulting Numbers: [4, 16] Generated Node #0,2,2: 84:[4, 16] Operation: 41-25=16 Exploring Operation: 25-4=21, Resulting Numbers: [41, 21] Generated Node #0,2,3: 84:[41, 21] Operation: 25-4=21 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 84:[41, 21], Operations: ['80-39=41', '25-4=21'] Exploring Operation: 41+21=62, Resulting Numbers: [62] 62,84 unequal: No Solution Exploring Operation: 41*21=861, Resulting Numbers: [861] 861,84 unequal: No Solution Exploring Operation: 41-21=20, Resulting Numbers: [20] 20,84 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:[41, 29], Operations: ['80-39=41', '25+4=29'] Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,84 unequal: No Solution Exploring Operation: 41+29=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 41*29=1189, Resulting Numbers: [1189] 1189,84 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:[4, 16], Operations: ['80-39=41', '41-25=16'] Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,84 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,84 unequal: No Solution Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,84 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:[25, 45], Operations: ['80-39=41', '4+41=45'] Exploring Operation: 25+45=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 25*45=1125, Resulting Numbers: [1125] 1125,84 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:[39, 25, 84], Operations: ['80+4=84'] Exploring Operation: 39-25=14, Resulting Numbers: [84, 14] Generated Node #0,3,0: 84:[84, 14] Operation: 39-25=14 Exploring Operation: 84-25=59, Resulting Numbers: [39, 59] Generated Node #0,3,1: 84:[39, 59] Operation: 84-25=59 Exploring Operation: 39+25=64, Resulting Numbers: [84, 64] Generated Node #0,3,2: 84:[84, 64] Operation: 39+25=64 Exploring Operation: 84-39=45, Resulting Numbers: [25, 45] Generated Node #0,3,3: 84:[25, 45] Operation: 84-39=45 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 84:[84, 14], Operations: ['80+4=84', '39-25=14'] Exploring Operation: 84-14=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 84*14=1176, Resulting Numbers: [1176] 1176,84 unequal: No Solution Exploring Operation: 84/14=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 84+14=98, Resulting Numbers: [98] 98,84 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:[25, 45], Operations: ['80+4=84', '84-39=45'] Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 25+45=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 25*45=1125, Resulting Numbers: [1125] 1125,84 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:[39, 59], Operations: ['80+4=84', '84-25=59'] Exploring Operation: 39+59=98, Resulting Numbers: [98] 98,84 unequal: No Solution Exploring Operation: 59-39=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 39*59=2301, Resulting Numbers: [2301] 2301,84 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 #0,3,2 Current State: 84:[84, 64], Operations: ['80+4=84', '39+25=64'] Exploring Operation: 84+64=148, Resulting Numbers: [148] 148,84 unequal: No Solution Exploring Operation: 84-64=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 84*64=5376, Resulting Numbers: [5376] 5376,84 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:[39, 25, 20], Operations: ['80/4=20'] Exploring Operation: 25-20=5, Resulting Numbers: [39, 5] Generated Node #0,0,0: 84:[39, 5] Operation: 25-20=5 Exploring Operation: 39-20=19, Resulting Numbers: [25, 19] Generated Node #0,0,1: 84:[25, 19] Operation: 39-20=19 Exploring Operation: 39-25=14, Resulting Numbers: [20, 14] Generated Node #0,0,2: 84:[20, 14] Operation: 39-25=14 Exploring Operation: 25+20=45, Resulting Numbers: [39, 45] Generated Node #0,0,3: 84:[39, 45] Operation: 25+20=45 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 84:[20, 14], Operations: ['80/4=20', '39-25=14'] Exploring Operation: 20+14=34, Resulting Numbers: [34] 34,84 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 20*14=280, Resulting Numbers: [280] 280,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[39, 5], Operations: ['80/4=20', '25-20=5'] Exploring Operation: 39+5=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 39*5=195, Resulting Numbers: [195] 195,84 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[25, 19], Operations: ['80/4=20', '39-20=19'] Exploring Operation: 25+19=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 25*19=475, Resulting Numbers: [475] 475,84 unequal: No Solution Exploring Operation: 25-19=6, Resulting Numbers: [6] 6,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 84:[39, 45], Operations: ['80/4=20', '25+20=45'] Exploring Operation: 39*45=1755, Resulting Numbers: [1755] 1755,84 unequal: No Solution Exploring Operation: 39+45=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[80, 39, 25, 4], Operations: [] Exploring Operation: 80/4=20, Resulting Numbers: [39, 25, 20] Generated Node #0,0: 84:[39, 25, 20] Operation: 80/4=20 Moving to Node #0,0 Current State: 84:[39, 25, 20], Operations: ['80/4=20'] Exploring Operation: 25+20=45, Resulting Numbers: [39, 45] Generated Node #0,0,3: 84:[39, 45] Operation: 25+20=45 Moving to Node #0,0,3 Current State: 84:[39, 45], Operations: ['80/4=20', '25+20=45'] Exploring Operation: 39+45=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.934896
hs_4
sum_heuristic
[ 12, 44, 14, 3 ]
50
[ "14-12=2", "3*2=6", "44+6=50" ]
Current State: 50:[12, 44, 14, 3], Operations: [] Exploring Operation: 14-12=2, Resulting Numbers: [44, 3, 2] Generated Node #2: [44, 3, 2] from Operation: 14-12=2 Current State: 50:[44, 3, 2], Operations: ['14-12=2'] Exploring Operation: 3*2=6, Resulting Numbers: [44, 6] Generated Node #3: [44, 6] from Operation: 3*2=6 Current State: 50:[44, 6], Operations: ['14-12=2', '3*2=6'] Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[12, 44, 14, 3], Operations: [] Exploring Operation: 12+14=26, Resulting Numbers: [44, 3, 26] Generated Node #0,0: 50:[44, 3, 26] Operation: 12+14=26 Exploring Operation: 44-14=30, Resulting Numbers: [12, 3, 30] Generated Node #0,1: 50:[12, 3, 30] Operation: 44-14=30 Exploring Operation: 14-12=2, Resulting Numbers: [44, 3, 2] Generated Node #0,2: 50:[44, 3, 2] Operation: 14-12=2 Exploring Operation: 44+3=47, Resulting Numbers: [12, 14, 47] Generated Node #0,3: 50:[12, 14, 47] Operation: 44+3=47 Exploring Operation: 14-3=11, Resulting Numbers: [12, 44, 11] Generated Node #0,4: 50:[12, 44, 11] Operation: 14-3=11 Moving to Node #0,2 Current State: 50:[44, 3, 2], Operations: ['14-12=2'] Exploring Operation: 44/2=22, Resulting Numbers: [3, 22] Generated Node #0,2,0: 50:[3, 22] Operation: 44/2=22 Exploring Operation: 44+2=46, Resulting Numbers: [3, 46] Generated Node #0,2,1: 50:[3, 46] Operation: 44+2=46 Exploring Operation: 44+3=47, Resulting Numbers: [2, 47] Generated Node #0,2,2: 50:[2, 47] Operation: 44+3=47 Exploring Operation: 3+2=5, Resulting Numbers: [44, 5] Generated Node #0,2,3: 50:[44, 5] Operation: 3+2=5 Exploring Operation: 3*2=6, Resulting Numbers: [44, 6] Generated Node #0,2,4: 50:[44, 6] Operation: 3*2=6 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 50:[2, 47], Operations: ['14-12=2', '44+3=47'] Exploring Operation: 2*47=94, Resulting Numbers: [94] 94,50 unequal: No Solution Exploring Operation: 2+47=49, Resulting Numbers: [49] 49,50 unequal: No Solution Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,50 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 #0,2,0 Current State: 50:[3, 22], Operations: ['14-12=2', '44/2=22'] Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,50 unequal: No Solution Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,50 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 #0,2,1 Current State: 50:[3, 46], Operations: ['14-12=2', '44+2=46'] Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,50 unequal: No Solution Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,50 unequal: No Solution Exploring Operation: 3*46=138, Resulting Numbers: [138] 138,50 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 #0,2,3 Current State: 50:[44, 5], Operations: ['14-12=2', '3+2=5'] Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,50 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,50 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 #0,2,4 Current State: 50:[44, 6], Operations: ['14-12=2', '3*2=6'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,50 unequal: No Solution Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,50 unequal: No Solution Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[12, 44, 14, 3], Operations: [] Exploring Operation: 14-12=2, Resulting Numbers: [44, 3, 2] Generated Node #0,2: 50:[44, 3, 2] Operation: 14-12=2 Moving to Node #0,2 Current State: 50:[44, 3, 2], Operations: ['14-12=2'] Exploring Operation: 3*2=6, Resulting Numbers: [44, 6] Generated Node #0,2,4: 50:[44, 6] Operation: 3*2=6 Moving to Node #0,2,4 Current State: 50:[44, 6], Operations: ['14-12=2', '3*2=6'] Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_5
sum_heuristic
[ 95, 69, 99, 97 ]
24
[ "95-69=26", "99-97=2", "26-2=24" ]
Current State: 24:[95, 69, 99, 97], Operations: [] Exploring Operation: 95-69=26, Resulting Numbers: [99, 97, 26] Generated Node #2: [99, 97, 26] from Operation: 95-69=26 Current State: 24:[99, 97, 26], Operations: ['95-69=26'] Exploring Operation: 99-97=2, Resulting Numbers: [26, 2] Generated Node #3: [26, 2] from Operation: 99-97=2 Current State: 24:[26, 2], Operations: ['95-69=26', '99-97=2'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[95, 69, 99, 97], Operations: [] Exploring Operation: 99-97=2, Resulting Numbers: [95, 69, 2] Generated Node #0,0: 24:[95, 69, 2] Operation: 99-97=2 Exploring Operation: 95-69=26, Resulting Numbers: [99, 97, 26] Generated Node #0,1: 24:[99, 97, 26] Operation: 95-69=26 Exploring Operation: 97-95=2, Resulting Numbers: [69, 99, 2] Generated Node #0,2: 24:[69, 99, 2] Operation: 97-95=2 Exploring Operation: 99-95=4, Resulting Numbers: [69, 97, 4] Generated Node #0,3: 24:[69, 97, 4] Operation: 99-95=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[95, 69, 2], Operations: ['99-97=2'] Exploring Operation: 69-2=67, Resulting Numbers: [95, 67] Generated Node #0,0,0: 24:[95, 67] Operation: 69-2=67 Exploring Operation: 95-2=93, Resulting Numbers: [69, 93] Generated Node #0,0,1: 24:[69, 93] Operation: 95-2=93 Exploring Operation: 95+2=97, Resulting Numbers: [69, 97] Generated Node #0,0,2: 24:[69, 97] Operation: 95+2=97 Exploring Operation: 95-69=26, Resulting Numbers: [2, 26] Generated Node #0,0,3: 24:[2, 26] Operation: 95-69=26 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 24:[2, 26], Operations: ['99-97=2', '95-69=26'] Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,24 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[95, 69, 99, 97], Operations: [] Exploring Operation: 99-97=2, Resulting Numbers: [95, 69, 2] Generated Node #0,0: 24:[95, 69, 2] Operation: 99-97=2 Moving to Node #0,0 Current State: 24:[95, 69, 2], Operations: ['99-97=2'] Exploring Operation: 95-69=26, Resulting Numbers: [2, 26] Generated Node #0,0,3: 24:[2, 26] Operation: 95-69=26 Moving to Node #0,0,3 Current State: 24:[2, 26], Operations: ['99-97=2', '95-69=26'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 67, 3, 14, 82 ]
70
[ "82-67=15", "15/3=5", "14*5=70" ]
Current State: 70:[67, 3, 14, 82], Operations: [] Exploring Operation: 82-67=15, Resulting Numbers: [3, 14, 15] Generated Node #2: [3, 14, 15] from Operation: 82-67=15 Current State: 70:[3, 14, 15], Operations: ['82-67=15'] Exploring Operation: 15/3=5, Resulting Numbers: [14, 5] Generated Node #3: [14, 5] from Operation: 15/3=5 Current State: 70:[14, 5], Operations: ['82-67=15', '15/3=5'] Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[67, 3, 14, 82], Operations: [] Exploring Operation: 82-67=15, Resulting Numbers: [3, 14, 15] Generated Node #0,0: 70:[3, 14, 15] Operation: 82-67=15 Exploring Operation: 82-14=68, Resulting Numbers: [67, 3, 68] Generated Node #0,1: 70:[67, 3, 68] Operation: 82-14=68 Exploring Operation: 67+3=70, Resulting Numbers: [14, 82, 70] Generated Node #0,2: 70:[14, 82, 70] Operation: 67+3=70 Exploring Operation: 82-3=79, Resulting Numbers: [67, 14, 79] Generated Node #0,3: 70:[67, 14, 79] Operation: 82-3=79 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[3, 14, 15], Operations: ['82-67=15'] Exploring Operation: 15/3=5, Resulting Numbers: [14, 5] Generated Node #0,0,0: 70:[14, 5] Operation: 15/3=5 Exploring Operation: 15-14=1, Resulting Numbers: [3, 1] Generated Node #0,0,1: 70:[3, 1] Operation: 15-14=1 Exploring Operation: 15-3=12, Resulting Numbers: [14, 12] Generated Node #0,0,2: 70:[14, 12] Operation: 15-3=12 Exploring Operation: 14-3=11, Resulting Numbers: [15, 11] Generated Node #0,0,3: 70:[15, 11] Operation: 14-3=11 Moving to Node #0,0,0 Current State: 70:[14, 5], Operations: ['82-67=15', '15/3=5'] Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[67, 3, 14, 82], Operations: [] Exploring Operation: 82-67=15, Resulting Numbers: [3, 14, 15] Generated Node #0,0: 70:[3, 14, 15] Operation: 82-67=15 Moving to Node #0,0 Current State: 70:[3, 14, 15], Operations: ['82-67=15'] Exploring Operation: 15/3=5, Resulting Numbers: [14, 5] Generated Node #0,0,0: 70:[14, 5] Operation: 15/3=5 Moving to Node #0,0,0 Current State: 70:[14, 5], Operations: ['82-67=15', '15/3=5'] Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 97, 1, 17, 35 ]
95
[ "35-1=34", "34/17=2", "97-2=95" ]
Current State: 95:[97, 1, 17, 35], Operations: [] Exploring Operation: 35-1=34, Resulting Numbers: [97, 17, 34] Generated Node #2: [97, 17, 34] from Operation: 35-1=34 Current State: 95:[97, 17, 34], Operations: ['35-1=34'] Exploring Operation: 34/17=2, Resulting Numbers: [97, 2] Generated Node #3: [97, 2] from Operation: 34/17=2 Current State: 95:[97, 2], Operations: ['35-1=34', '34/17=2'] Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[97, 1, 17, 35], Operations: [] Exploring Operation: 97-1=96, Resulting Numbers: [17, 35, 96] Generated Node #0,0: 95:[17, 35, 96] Operation: 97-1=96 Exploring Operation: 35-17=18, Resulting Numbers: [97, 1, 18] Generated Node #0,1: 95:[97, 1, 18] Operation: 35-17=18 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[97, 1, 18], Operations: ['35-17=18'] Exploring Operation: 1+18=19, Resulting Numbers: [97, 19] Generated Node #0,1,0: 95:[97, 19] Operation: 1+18=19 Exploring Operation: 97-1=96, Resulting Numbers: [18, 96] Generated Node #0,1,1: 95:[18, 96] Operation: 97-1=96 Moving to Node #0,1,0 Current State: 95:[97, 19], Operations: ['35-17=18', '1+18=19'] Exploring Operation: 97-19=78, Resulting Numbers: [78] 78,95 unequal: No Solution Exploring Operation: 97+19=116, Resulting Numbers: [116] 116,95 unequal: No Solution Moving to Node #0,1,1 Current State: 95:[18, 96], Operations: ['35-17=18', '97-1=96'] Exploring Operation: 96-18=78, Resulting Numbers: [78] 78,95 unequal: No Solution Exploring Operation: 18+96=114, Resulting Numbers: [114] 114,95 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:[17, 35, 96], Operations: ['97-1=96'] Exploring Operation: 35-17=18, Resulting Numbers: [96, 18] Generated Node #0,0,0: 95:[96, 18] Operation: 35-17=18 Exploring Operation: 96-17=79, Resulting Numbers: [35, 79] Generated Node #0,0,1: 95:[35, 79] Operation: 96-17=79 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[96, 18], Operations: ['97-1=96', '35-17=18'] Exploring Operation: 96+18=114, Resulting Numbers: [114] 114,95 unequal: No Solution Exploring Operation: 96-18=78, Resulting Numbers: [78] 78,95 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 #0,0,1 Current State: 95:[35, 79], Operations: ['97-1=96', '96-17=79'] Exploring Operation: 79-35=44, Resulting Numbers: [44] 44,95 unequal: No Solution Exploring Operation: 35+79=114, Resulting Numbers: [114] 114,95 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 No solution found.
0
hs_2
sum_heuristic
[ 43, 99, 94, 21 ]
27
[ "43+99=142", "94+21=115", "142-115=27" ]
Current State: 27:[43, 99, 94, 21], Operations: [] Exploring Operation: 43+99=142, Resulting Numbers: [94, 21, 142] Generated Node #2: [94, 21, 142] from Operation: 43+99=142 Current State: 27:[94, 21, 142], Operations: ['43+99=142'] Exploring Operation: 94+21=115, Resulting Numbers: [142, 115] Generated Node #3: [142, 115] from Operation: 94+21=115 Current State: 27:[142, 115], Operations: ['43+99=142', '94+21=115'] Exploring Operation: 142-115=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[43, 99, 94, 21], Operations: [] Exploring Operation: 99-43=56, Resulting Numbers: [94, 21, 56] Generated Node #0,0: 27:[94, 21, 56] Operation: 99-43=56 Exploring Operation: 99-94=5, Resulting Numbers: [43, 21, 5] Generated Node #0,1: 27:[43, 21, 5] Operation: 99-94=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[43, 21, 5], Operations: ['99-94=5'] Exploring Operation: 43-5=38, Resulting Numbers: [21, 38] Generated Node #0,1,0: 27:[21, 38] Operation: 43-5=38 Exploring Operation: 43-21=22, Resulting Numbers: [5, 22] Generated Node #0,1,1: 27:[5, 22] Operation: 43-21=22 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 27:[5, 22], Operations: ['99-94=5', '43-21=22'] Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[43, 99, 94, 21], Operations: [] Exploring Operation: 99-94=5, Resulting Numbers: [43, 21, 5] Generated Node #0,1: 27:[43, 21, 5] Operation: 99-94=5 Moving to Node #0,1 Current State: 27:[43, 21, 5], Operations: ['99-94=5'] Exploring Operation: 43-21=22, Resulting Numbers: [5, 22] Generated Node #0,1,1: 27:[5, 22] Operation: 43-21=22 Moving to Node #0,1,1 Current State: 27:[5, 22], Operations: ['99-94=5', '43-21=22'] Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 98, 6, 62, 44 ]
38
[ "98-62=36", "36/6=6", "44-6=38" ]
Current State: 38:[98, 6, 62, 44], Operations: [] Exploring Operation: 98-62=36, Resulting Numbers: [6, 44, 36] Generated Node #2: [6, 44, 36] from Operation: 98-62=36 Current State: 38:[6, 44, 36], Operations: ['98-62=36'] Exploring Operation: 36/6=6, Resulting Numbers: [44, 6] Generated Node #3: [44, 6] from Operation: 36/6=6 Current State: 38:[44, 6], Operations: ['98-62=36', '36/6=6'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[98, 6, 62, 44], Operations: [] Exploring Operation: 98-62=36, Resulting Numbers: [6, 44, 36] Generated Node #0,0: 38:[6, 44, 36] Operation: 98-62=36 Exploring Operation: 98-44=54, Resulting Numbers: [6, 62, 54] Generated Node #0,1: 38:[6, 62, 54] Operation: 98-44=54 Moving to Node #0,0 Current State: 38:[6, 44, 36], Operations: ['98-62=36'] Exploring Operation: 6+36=42, Resulting Numbers: [44, 42] Generated Node #0,0,0: 38:[44, 42] Operation: 6+36=42 Exploring Operation: 44-6=38, Resulting Numbers: [36, 38] Generated Node #0,0,1: 38:[36, 38] Operation: 44-6=38 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 38:[36, 38], Operations: ['98-62=36', '44-6=38'] Exploring Operation: 36+38=74, Resulting Numbers: [74] 74,38 unequal: No Solution Exploring Operation: 38-36=2, Resulting Numbers: [2] 2,38 unequal: No Solution No 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: 38:[44, 42], Operations: ['98-62=36', '6+36=42'] Exploring Operation: 44-42=2, Resulting Numbers: [2] 2,38 unequal: No Solution Exploring Operation: 44+42=86, Resulting Numbers: [86] 86,38 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: 38:[6, 62, 54], Operations: ['98-44=54'] Exploring Operation: 62-54=8, Resulting Numbers: [6, 8] Generated Node #0,1,0: 38:[6, 8] Operation: 62-54=8 Exploring Operation: 54/6=9, Resulting Numbers: [62, 9] Generated Node #0,1,1: 38:[62, 9] Operation: 54/6=9 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 38:[6, 8], Operations: ['98-44=54', '62-54=8'] Exploring Operation: 6+8=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,38 unequal: No Solution No 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: 38:[62, 9], Operations: ['98-44=54', '54/6=9'] Exploring Operation: 62+9=71, Resulting Numbers: [71] 71,38 unequal: No Solution Exploring Operation: 62-9=53, Resulting Numbers: [53] 53,38 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
[ 6, 27, 6, 13 ]
90
[ "27-13=14", "6*14=84", "6+84=90" ]
Current State: 90:[6, 27, 6, 13], Operations: [] Exploring Operation: 27-13=14, Resulting Numbers: [6, 6, 14] Generated Node #2: [6, 6, 14] from Operation: 27-13=14 Current State: 90:[6, 6, 14], Operations: ['27-13=14'] Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,90 equal: Goal Reached Exploring Operation: 6+84=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[6, 27, 6, 13], Operations: [] Exploring Operation: 27-13=14, Resulting Numbers: [6, 6, 14] Generated Node #0,0: 90:[6, 6, 14] Operation: 27-13=14 Moving to Node #0,0 Current State: 90:[6, 6, 14], Operations: ['27-13=14'] Exploring Operation: 14-6=8, Resulting Numbers: [6, 8] Generated Node #0,0,0: 90:[6, 8] Operation: 14-6=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[6, 8], Operations: ['27-13=14', '14-6=8'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 95, 7, 97, 66 ]
80
[ "97-95=2", "7*2=14", "66+14=80" ]
Current State: 80:[95, 7, 97, 66], Operations: [] Exploring Operation: 97-95=2, Resulting Numbers: [7, 66, 2] Generated Node #2: [7, 66, 2] from Operation: 97-95=2 Current State: 80:[7, 66, 2], Operations: ['97-95=2'] Exploring Operation: 7*2=14, Resulting Numbers: [66, 14] Generated Node #3: [66, 14] from Operation: 7*2=14 Current State: 80:[66, 14], Operations: ['97-95=2', '7*2=14'] Exploring Operation: 66+14=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[95, 7, 97, 66], Operations: [] Exploring Operation: 97-66=31, Resulting Numbers: [95, 7, 31] Generated Node #0,0: 80:[95, 7, 31] Operation: 97-66=31 Exploring Operation: 97-95=2, Resulting Numbers: [7, 66, 2] Generated Node #0,1: 80:[7, 66, 2] Operation: 97-95=2 Moving to Node #0,1 Current State: 80:[7, 66, 2], Operations: ['97-95=2'] Exploring Operation: 66/2=33, Resulting Numbers: [7, 33] Generated Node #0,1,0: 80:[7, 33] Operation: 66/2=33 Exploring Operation: 7+66=73, Resulting Numbers: [2, 73] Generated Node #0,1,1: 80:[2, 73] Operation: 7+66=73 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 80:[2, 73], Operations: ['97-95=2', '7+66=73'] Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 2+73=75, Resulting Numbers: [75] 75,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 80:[7, 33], Operations: ['97-95=2', '66/2=33'] Exploring Operation: 7+33=40, Resulting Numbers: [40] 40,80 unequal: No Solution Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 80:[95, 7, 31], Operations: ['97-66=31'] Exploring Operation: 95-7=88, Resulting Numbers: [31, 88] Generated Node #0,0,0: 80:[31, 88] Operation: 95-7=88 Exploring Operation: 95-31=64, Resulting Numbers: [7, 64] Generated Node #0,0,1: 80:[7, 64] Operation: 95-31=64 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[31, 88], Operations: ['97-66=31', '95-7=88'] Exploring Operation: 88-31=57, Resulting Numbers: [57] 57,80 unequal: No Solution Exploring Operation: 31+88=119, Resulting Numbers: [119] 119,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 80:[7, 64], Operations: ['97-66=31', '95-31=64'] Exploring Operation: 64-7=57, Resulting Numbers: [57] 57,80 unequal: No Solution Exploring Operation: 7+64=71, Resulting Numbers: [71] 71,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 16, 96, 81, 27 ]
18
[ "96/16=6", "81+27=108", "108/6=18" ]
Current State: 18:[16, 96, 81, 27], Operations: [] Exploring Operation: 96/16=6, Resulting Numbers: [81, 27, 6] Generated Node #2: [81, 27, 6] from Operation: 96/16=6 Current State: 18:[81, 27, 6], Operations: ['96/16=6'] Exploring Operation: 81+27=108, Resulting Numbers: [6, 108] Generated Node #3: [6, 108] from Operation: 81+27=108 Current State: 18:[6, 108], Operations: ['96/16=6', '81+27=108'] Exploring Operation: 108/6=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[16, 96, 81, 27], Operations: [] Exploring Operation: 96-81=15, Resulting Numbers: [16, 27, 15] Generated Node #0,0: 18:[16, 27, 15] Operation: 96-81=15 Exploring Operation: 96/16=6, Resulting Numbers: [81, 27, 6] Generated Node #0,1: 18:[81, 27, 6] Operation: 96/16=6 Moving to Node #0,0 Current State: 18:[16, 27, 15], Operations: ['96-81=15'] Exploring Operation: 27-16=11, Resulting Numbers: [15, 11] Generated Node #0,0,0: 18:[15, 11] Operation: 27-16=11 Exploring Operation: 27-15=12, Resulting Numbers: [16, 12] Generated Node #0,0,1: 18:[16, 12] Operation: 27-15=12 Moving to Node #0,1 Current State: 18:[81, 27, 6], Operations: ['96/16=6'] Exploring Operation: 81/27=3, Resulting Numbers: [6, 3] Generated Node #0,1,0: 18:[6, 3] Operation: 81/27=3 Exploring Operation: 81-27=54, Resulting Numbers: [6, 54] Generated Node #0,1,1: 18:[6, 54] Operation: 81-27=54 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 18:[6, 3], Operations: ['96/16=6', '81/27=3'] Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[16, 96, 81, 27], Operations: [] Exploring Operation: 96/16=6, Resulting Numbers: [81, 27, 6] Generated Node #0,1: 18:[81, 27, 6] Operation: 96/16=6 Moving to Node #0,1 Current State: 18:[81, 27, 6], Operations: ['96/16=6'] Exploring Operation: 81/27=3, Resulting Numbers: [6, 3] Generated Node #0,1,0: 18:[6, 3] Operation: 81/27=3 Moving to Node #0,1,0 Current State: 18:[6, 3], Operations: ['96/16=6', '81/27=3'] Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 6, 28, 7, 11 ]
68
[ "6+11=17", "28/7=4", "17*4=68" ]
Current State: 68:[6, 28, 7, 11], Operations: [] Exploring Operation: 6+11=17, Resulting Numbers: [28, 7, 17] Generated Node #2: [28, 7, 17] from Operation: 6+11=17 Current State: 68:[28, 7, 17], Operations: ['6+11=17'] Exploring Operation: 28/7=4, Resulting Numbers: [17, 4] Generated Node #3: [17, 4] from Operation: 28/7=4 Current State: 68:[17, 4], Operations: ['6+11=17', '28/7=4'] Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[6, 28, 7, 11], Operations: [] Exploring Operation: 28-11=17, Resulting Numbers: [6, 7, 17] Generated Node #0,0: 68:[6, 7, 17] Operation: 28-11=17 Moving to Node #0,0 Current State: 68:[6, 7, 17], Operations: ['28-11=17'] Exploring Operation: 7-6=1, Resulting Numbers: [17, 1] Generated Node #0,0,0: 68:[17, 1] Operation: 7-6=1 Moving to Node #0,0,0 Current State: 68:[17, 1], Operations: ['28-11=17', '7-6=1'] Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,68 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 48, 91, 22, 24 ]
47
[ "48*22=1056", "1056/24=44", "91-44=47" ]
Current State: 47:[48, 91, 22, 24], Operations: [] Exploring Operation: 48*22=1056, Resulting Numbers: [91, 24, 1056] Generated Node #2: [91, 24, 1056] from Operation: 48*22=1056 Current State: 47:[91, 24, 1056], Operations: ['48*22=1056'] Exploring Operation: 1056/24=44, Resulting Numbers: [91, 44] Generated Node #3: [91, 44] from Operation: 1056/24=44 Current State: 47:[91, 44], Operations: ['48*22=1056', '1056/24=44'] Exploring Operation: 91-44=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[48, 91, 22, 24], Operations: [] Exploring Operation: 91-24=67, Resulting Numbers: [48, 22, 67] Generated Node #0,0: 47:[48, 22, 67] Operation: 91-24=67 Exploring Operation: 91-22=69, Resulting Numbers: [48, 24, 69] Generated Node #0,1: 47:[48, 24, 69] Operation: 91-22=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[48, 22, 67], Operations: ['91-24=67'] Exploring Operation: 67-22=45, Resulting Numbers: [48, 45] Generated Node #0,0,0: 47:[48, 45] Operation: 67-22=45 Exploring Operation: 48-22=26, Resulting Numbers: [67, 26] Generated Node #0,0,1: 47:[67, 26] Operation: 48-22=26 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[48, 45], Operations: ['91-24=67', '67-22=45'] Exploring Operation: 48-45=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 48+45=93, Resulting Numbers: [93] 93,47 unequal: No Solution No 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: 47:[67, 26], Operations: ['91-24=67', '48-22=26'] Exploring Operation: 67-26=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 67+26=93, Resulting Numbers: [93] 93,47 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: 47:[48, 24, 69], Operations: ['91-22=69'] Exploring Operation: 48-24=24, Resulting Numbers: [69, 24] Generated Node #0,1,0: 47:[69, 24] Operation: 48-24=24 Exploring Operation: 69-24=45, Resulting Numbers: [48, 45] Generated Node #0,1,1: 47:[48, 45] Operation: 69-24=45 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 47:[48, 45], Operations: ['91-22=69', '69-24=45'] Exploring Operation: 48-45=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 48+45=93, Resulting Numbers: [93] 93,47 unequal: No Solution No 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: 47:[69, 24], Operations: ['91-22=69', '48-24=24'] Exploring Operation: 69+24=93, Resulting Numbers: [93] 93,47 unequal: No Solution Exploring Operation: 69-24=45, Resulting Numbers: [45] 45,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 66, 4, 14, 50 ]
55
[ "66+4=70", "70/14=5", "50+5=55" ]
Current State: 55:[66, 4, 14, 50], Operations: [] Exploring Operation: 66+4=70, Resulting Numbers: [14, 50, 70] Generated Node #2: [14, 50, 70] from Operation: 66+4=70 Current State: 55:[14, 50, 70], Operations: ['66+4=70'] Exploring Operation: 70/14=5, Resulting Numbers: [50, 5] Generated Node #3: [50, 5] from Operation: 70/14=5 Current State: 55:[50, 5], Operations: ['66+4=70', '70/14=5'] Exploring Operation: 50+5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[66, 4, 14, 50], Operations: [] Exploring Operation: 66-14=52, Resulting Numbers: [4, 50, 52] Generated Node #0,0: 55:[4, 50, 52] Operation: 66-14=52 Exploring Operation: 66-50=16, Resulting Numbers: [4, 14, 16] Generated Node #0,1: 55:[4, 14, 16] Operation: 66-50=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[4, 50, 52], Operations: ['66-14=52'] Exploring Operation: 4+50=54, Resulting Numbers: [52, 54] Generated Node #0,0,0: 55:[52, 54] Operation: 4+50=54 Exploring Operation: 52-50=2, Resulting Numbers: [4, 2] Generated Node #0,0,1: 55:[4, 2] Operation: 52-50=2 Moving to Node #0,0,0 Current State: 55:[52, 54], Operations: ['66-14=52', '4+50=54'] Exploring Operation: 54-52=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 52+54=106, Resulting Numbers: [106] 106,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[4, 2], Operations: ['66-14=52', '52-50=2'] Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,55 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, 14, 16], Operations: ['66-50=16'] Exploring Operation: 16-4=12, Resulting Numbers: [14, 12] Generated Node #0,1,0: 55:[14, 12] Operation: 16-4=12 Exploring Operation: 16/4=4, Resulting Numbers: [14, 4] Generated Node #0,1,1: 55:[14, 4] Operation: 16/4=4 Moving to Node #0,1,0 Current State: 55:[14, 12], Operations: ['66-50=16', '16-4=12'] Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,55 unequal: No Solution Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[14, 4], Operations: ['66-50=16', '16/4=4'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,55 unequal: No Solution Exploring Operation: 14*4=56, Resulting Numbers: [56] 56,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 51, 6, 87, 14 ]
32
[ "51*14=714", "714/6=119", "119-87=32" ]
Current State: 32:[51, 6, 87, 14], Operations: [] Exploring Operation: 51*14=714, Resulting Numbers: [6, 87, 714] Generated Node #2: [6, 87, 714] from Operation: 51*14=714 Current State: 32:[6, 87, 714], Operations: ['51*14=714'] Exploring Operation: 714/6=119, Resulting Numbers: [87, 119] Generated Node #3: [87, 119] from Operation: 714/6=119 Current State: 32:[87, 119], Operations: ['51*14=714', '714/6=119'] Exploring Operation: 119-87=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[51, 6, 87, 14], Operations: [] Exploring Operation: 51-6=45, Resulting Numbers: [87, 14, 45] Generated Node #0,0: 32:[87, 14, 45] Operation: 51-6=45 Exploring Operation: 87-51=36, Resulting Numbers: [6, 14, 36] Generated Node #0,1: 32:[6, 14, 36] Operation: 87-51=36 Exploring Operation: 87-14=73, Resulting Numbers: [51, 6, 73] Generated Node #0,2: 32:[51, 6, 73] Operation: 87-14=73 Exploring Operation: 51-14=37, Resulting Numbers: [6, 87, 37] Generated Node #0,3: 32:[6, 87, 37] Operation: 51-14=37 Moving to Node #0,1 Current State: 32:[6, 14, 36], Operations: ['87-51=36'] Exploring Operation: 36/6=6, Resulting Numbers: [14, 6] Generated Node #0,1,0: 32:[14, 6] Operation: 36/6=6 Exploring Operation: 14-6=8, Resulting Numbers: [36, 8] Generated Node #0,1,1: 32:[36, 8] Operation: 14-6=8 Exploring Operation: 36-6=30, Resulting Numbers: [14, 30] Generated Node #0,1,2: 32:[14, 30] Operation: 36-6=30 Exploring Operation: 6+14=20, Resulting Numbers: [36, 20] Generated Node #0,1,3: 32:[36, 20] Operation: 6+14=20 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 32:[14, 6], Operations: ['87-51=36', '36/6=6'] Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,32 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,32 unequal: No Solution Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 32:[36, 8], Operations: ['87-51=36', '14-6=8'] Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 36+8=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 36*8=288, Resulting Numbers: [288] 288,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 32:[14, 30], Operations: ['87-51=36', '36-6=30'] Exploring Operation: 14*30=420, Resulting Numbers: [420] 420,32 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 14+30=44, Resulting Numbers: [44] 44,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 32:[36, 20], Operations: ['87-51=36', '6+14=20'] Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 36+20=56, Resulting Numbers: [56] 56,32 unequal: No Solution Exploring Operation: 36*20=720, Resulting Numbers: [720] 720,32 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: 32:[6, 87, 37], Operations: ['51-14=37'] Exploring Operation: 37-6=31, Resulting Numbers: [87, 31] Generated Node #0,3,0: 32:[87, 31] Operation: 37-6=31 Exploring Operation: 87-6=81, Resulting Numbers: [37, 81] Generated Node #0,3,1: 32:[37, 81] Operation: 87-6=81 Exploring Operation: 87-37=50, Resulting Numbers: [6, 50] Generated Node #0,3,2: 32:[6, 50] Operation: 87-37=50 Exploring Operation: 6+87=93, Resulting Numbers: [37, 93] Generated Node #0,3,3: 32:[37, 93] Operation: 6+87=93 Moving to Node #0,2 Current State: 32:[51, 6, 73], Operations: ['87-14=73'] Exploring Operation: 51-6=45, Resulting Numbers: [73, 45] Generated Node #0,2,0: 32:[73, 45] Operation: 51-6=45 Exploring Operation: 73-51=22, Resulting Numbers: [6, 22] Generated Node #0,2,1: 32:[6, 22] Operation: 73-51=22 Exploring Operation: 51+6=57, Resulting Numbers: [73, 57] Generated Node #0,2,2: 32:[73, 57] Operation: 51+6=57 Exploring Operation: 73-6=67, Resulting Numbers: [51, 67] Generated Node #0,2,3: 32:[51, 67] Operation: 73-6=67 Moving to Node #0,0 Current State: 32:[87, 14, 45], Operations: ['51-6=45'] Exploring Operation: 45-14=31, Resulting Numbers: [87, 31] Generated Node #0,0,0: 32:[87, 31] Operation: 45-14=31 Exploring Operation: 87+14=101, Resulting Numbers: [45, 101] Generated Node #0,0,1: 32:[45, 101] Operation: 87+14=101 Exploring Operation: 87-45=42, Resulting Numbers: [14, 42] Generated Node #0,0,2: 32:[14, 42] Operation: 87-45=42 Exploring Operation: 87-14=73, Resulting Numbers: [45, 73] Generated Node #0,0,3: 32:[45, 73] Operation: 87-14=73 Moving to Node #0,2,1 Current State: 32:[6, 22], Operations: ['87-14=73', '73-51=22'] Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[14, 42], Operations: ['51-6=45', '87-45=42'] Exploring Operation: 14*42=588, Resulting Numbers: [588] 588,32 unequal: No Solution Exploring Operation: 42/14=3, Resulting Numbers: [3] 3,32 unequal: No Solution Exploring Operation: 42-14=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 14+42=56, Resulting Numbers: [56] 56,32 unequal: No Solution Moving to Node #0,3,2 Current State: 32:[6, 50], Operations: ['51-14=37', '87-37=50'] Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,32 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 6*50=300, Resulting Numbers: [300] 300,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[73, 45], Operations: ['87-14=73', '51-6=45'] Exploring Operation: 73-45=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 73*45=3285, Resulting Numbers: [3285] 3285,32 unequal: No Solution Exploring Operation: 73+45=118, Resulting Numbers: [118] 118,32 unequal: No Solution Moving to Node #0,2,3 Current State: 32:[51, 67], Operations: ['87-14=73', '73-6=67'] Exploring Operation: 51*67=3417, Resulting Numbers: [3417] 3417,32 unequal: No Solution Exploring Operation: 67-51=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 51+67=118, Resulting Numbers: [118] 118,32 unequal: No Solution Moving to Node #0,3,1 Current State: 32:[37, 81], Operations: ['51-14=37', '87-6=81'] Exploring Operation: 37+81=118, Resulting Numbers: [118] 118,32 unequal: No Solution Exploring Operation: 81-37=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 37*81=2997, Resulting Numbers: [2997] 2997,32 unequal: No Solution Moving to Node #0,0,3 Current State: 32:[45, 73], Operations: ['51-6=45', '87-14=73'] Exploring Operation: 73-45=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 45+73=118, Resulting Numbers: [118] 118,32 unequal: No Solution Exploring Operation: 45*73=3285, Resulting Numbers: [3285] 3285,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[87, 31], Operations: ['51-6=45', '45-14=31'] Exploring Operation: 87+31=118, Resulting Numbers: [118] 118,32 unequal: No Solution Exploring Operation: 87*31=2697, Resulting Numbers: [2697] 2697,32 unequal: No Solution Exploring Operation: 87-31=56, Resulting Numbers: [56] 56,32 unequal: No Solution Moving to Node #0,3,0 Current State: 32:[87, 31], Operations: ['51-14=37', '37-6=31'] Exploring Operation: 87*31=2697, Resulting Numbers: [2697] 2697,32 unequal: No Solution Exploring Operation: 87+31=118, Resulting Numbers: [118] 118,32 unequal: No Solution Exploring Operation: 87-31=56, Resulting Numbers: [56] 56,32 unequal: No Solution Moving to Node #0,2,2 Current State: 32:[73, 57], Operations: ['87-14=73', '51+6=57'] Exploring Operation: 73-57=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 73*57=4161, Resulting Numbers: [4161] 4161,32 unequal: No Solution Exploring Operation: 73+57=130, Resulting Numbers: [130] 130,32 unequal: No Solution Moving to Node #0,3,3 Current State: 32:[37, 93], Operations: ['51-14=37', '6+87=93'] Exploring Operation: 37+93=130, Resulting Numbers: [130] 130,32 unequal: No Solution Exploring Operation: 93-37=56, Resulting Numbers: [56] 56,32 unequal: No Solution Exploring Operation: 37*93=3441, Resulting Numbers: [3441] 3441,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[45, 101], Operations: ['51-6=45', '87+14=101'] Exploring Operation: 45*101=4545, Resulting Numbers: [4545] 4545,32 unequal: No Solution Exploring Operation: 45+101=146, Resulting Numbers: [146] 146,32 unequal: No Solution Exploring Operation: 101-45=56, Resulting Numbers: [56] 56,32 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 96, 3, 53, 48 ]
53
[ "96/48=2", "3-2=1", "53*1=53" ]
Current State: 53:[96, 3, 53, 48], Operations: [] Exploring Operation: 96/48=2, Resulting Numbers: [3, 53, 2] Generated Node #2: [3, 53, 2] from Operation: 96/48=2 Current State: 53:[3, 53, 2], Operations: ['96/48=2'] Exploring Operation: 3-2=1, Resulting Numbers: [53, 1] Generated Node #3: [53, 1] from Operation: 3-2=1 Current State: 53:[53, 1], Operations: ['96/48=2', '3-2=1'] Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[96, 3, 53, 48], Operations: [] Exploring Operation: 96-3=93, Resulting Numbers: [53, 48, 93] Generated Node #0,0: 53:[53, 48, 93] Operation: 96-3=93 Exploring Operation: 96/3=32, Resulting Numbers: [53, 48, 32] Generated Node #0,1: 53:[53, 48, 32] Operation: 96/3=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[53, 48, 32], Operations: ['96/3=32'] Exploring Operation: 48+32=80, Resulting Numbers: [53, 80] Generated Node #0,1,0: 53:[53, 80] Operation: 48+32=80 Exploring Operation: 53+32=85, Resulting Numbers: [48, 85] Generated Node #0,1,1: 53:[48, 85] Operation: 53+32=85 Moving to Node #0,1,0 Current State: 53:[53, 80], Operations: ['96/3=32', '48+32=80'] Exploring Operation: 53+80=133, Resulting Numbers: [133] 133,53 unequal: No Solution Exploring Operation: 80-53=27, Resulting Numbers: [27] 27,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[48, 85], Operations: ['96/3=32', '53+32=85'] Exploring Operation: 48+85=133, Resulting Numbers: [133] 133,53 unequal: No Solution Exploring Operation: 85-48=37, Resulting Numbers: [37] 37,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[53, 48, 93], Operations: ['96-3=93'] Exploring Operation: 93-53=40, Resulting Numbers: [48, 40] Generated Node #0,0,0: 53:[48, 40] Operation: 93-53=40 Exploring Operation: 93-48=45, Resulting Numbers: [53, 45] Generated Node #0,0,1: 53:[53, 45] Operation: 93-48=45 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[53, 45], Operations: ['96-3=93', '93-48=45'] Exploring Operation: 53+45=98, Resulting Numbers: [98] 98,53 unequal: No Solution Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[48, 40], Operations: ['96-3=93', '93-53=40'] Exploring Operation: 48-40=8, Resulting Numbers: [8] 8,53 unequal: No Solution Exploring Operation: 48+40=88, Resulting Numbers: [88] 88,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 40, 25, 5, 75 ]
95
[ "40-25=15", "5+75=80", "15+80=95" ]
Current State: 95:[40, 25, 5, 75], Operations: [] Exploring Operation: 40-25=15, Resulting Numbers: [5, 75, 15] Generated Node #2: [5, 75, 15] from Operation: 40-25=15 Current State: 95:[5, 75, 15], Operations: ['40-25=15'] Exploring Operation: 5+75=80, Resulting Numbers: [15, 80] Generated Node #3: [15, 80] from Operation: 5+75=80 Current State: 95:[15, 80], Operations: ['40-25=15', '5+75=80'] Exploring Operation: 15+80=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[40, 25, 5, 75], Operations: [] Exploring Operation: 75-40=35, Resulting Numbers: [25, 5, 35] Generated Node #0,0: 95:[25, 5, 35] Operation: 75-40=35 Moving to Node #0,0 Current State: 95:[25, 5, 35], Operations: ['75-40=35'] Exploring Operation: 35-25=10, Resulting Numbers: [5, 10] Generated Node #0,0,0: 95:[5, 10] Operation: 35-25=10 Moving to Node #0,0,0 Current State: 95:[5, 10], Operations: ['75-40=35', '35-25=10'] Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,95 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 19, 69, 46, 83 ]
13
[ "69-19=50", "83-46=37", "50-37=13" ]
Current State: 13:[19, 69, 46, 83], Operations: [] Exploring Operation: 69-19=50, Resulting Numbers: [46, 83, 50] Generated Node #2: [46, 83, 50] from Operation: 69-19=50 Current State: 13:[46, 83, 50], Operations: ['69-19=50'] Exploring Operation: 83-46=37, Resulting Numbers: [50, 37] Generated Node #3: [50, 37] from Operation: 83-46=37 Current State: 13:[50, 37], Operations: ['69-19=50', '83-46=37'] Exploring Operation: 50-37=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[19, 69, 46, 83], Operations: [] Exploring Operation: 83-69=14, Resulting Numbers: [19, 46, 14] Generated Node #0,0: 13:[19, 46, 14] Operation: 83-69=14 Moving to Node #0,0 Current State: 13:[19, 46, 14], Operations: ['83-69=14'] Exploring Operation: 46-19=27, Resulting Numbers: [14, 27] Generated Node #0,0,0: 13:[14, 27] Operation: 46-19=27 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 13:[14, 27], Operations: ['83-69=14', '46-19=27'] Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[19, 69, 46, 83], Operations: [] Exploring Operation: 83-69=14, Resulting Numbers: [19, 46, 14] Generated Node #0,0: 13:[19, 46, 14] Operation: 83-69=14 Moving to Node #0,0 Current State: 13:[19, 46, 14], Operations: ['83-69=14'] Exploring Operation: 46-19=27, Resulting Numbers: [14, 27] Generated Node #0,0,0: 13:[14, 27] Operation: 46-19=27 Moving to Node #0,0,0 Current State: 13:[14, 27], Operations: ['83-69=14', '46-19=27'] Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 77, 32, 65, 55 ]
55
[ "77-32=45", "65-55=10", "45+10=55" ]
Current State: 55:[77, 32, 65, 55], Operations: [] Exploring Operation: 77-32=45, Resulting Numbers: [65, 55, 45] Generated Node #2: [65, 55, 45] from Operation: 77-32=45 Current State: 55:[65, 55, 45], Operations: ['77-32=45'] Exploring Operation: 65-55=10, Resulting Numbers: [45, 10] Generated Node #3: [45, 10] from Operation: 65-55=10 Current State: 55:[45, 10], Operations: ['77-32=45', '65-55=10'] Exploring Operation: 45+10=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[77, 32, 65, 55], Operations: [] Exploring Operation: 77-65=12, Resulting Numbers: [32, 55, 12] Generated Node #0,0: 55:[32, 55, 12] Operation: 77-65=12 Exploring Operation: 77-32=45, Resulting Numbers: [65, 55, 45] Generated Node #0,1: 55:[65, 55, 45] Operation: 77-32=45 Exploring Operation: 77-55=22, Resulting Numbers: [32, 65, 22] Generated Node #0,2: 55:[32, 65, 22] Operation: 77-55=22 Moving to Node #0,1 Current State: 55:[65, 55, 45], Operations: ['77-32=45'] Exploring Operation: 65-55=10, Resulting Numbers: [45, 10] Generated Node #0,1,0: 55:[45, 10] Operation: 65-55=10 Exploring Operation: 65-45=20, Resulting Numbers: [55, 20] Generated Node #0,1,1: 55:[55, 20] Operation: 65-45=20 Exploring Operation: 55-45=10, Resulting Numbers: [65, 10] Generated Node #0,1,2: 55:[65, 10] Operation: 55-45=10 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 55:[55, 20], Operations: ['77-32=45', '65-45=20'] Exploring Operation: 55+20=75, Resulting Numbers: [75] 75,55 unequal: No Solution Exploring Operation: 55*20=1100, Resulting Numbers: [1100] 1100,55 unequal: No Solution Exploring Operation: 55-20=35, Resulting Numbers: [35] 35,55 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 #0,1,0 Current State: 55:[45, 10], Operations: ['77-32=45', '65-55=10'] Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,55 unequal: No Solution Exploring Operation: 45+10=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[77, 32, 65, 55], Operations: [] Exploring Operation: 77-32=45, Resulting Numbers: [65, 55, 45] Generated Node #0,1: 55:[65, 55, 45] Operation: 77-32=45 Moving to Node #0,1 Current State: 55:[65, 55, 45], Operations: ['77-32=45'] Exploring Operation: 65-55=10, Resulting Numbers: [45, 10] Generated Node #0,1,0: 55:[45, 10] Operation: 65-55=10 Moving to Node #0,1,0 Current State: 55:[45, 10], Operations: ['77-32=45', '65-55=10'] Exploring Operation: 45+10=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 76, 67, 71, 8 ]
21
[ "76+8=84", "71-67=4", "84/4=21" ]
Current State: 21:[76, 67, 71, 8], Operations: [] Exploring Operation: 76+8=84, Resulting Numbers: [67, 71, 84] Generated Node #2: [67, 71, 84] from Operation: 76+8=84 Current State: 21:[67, 71, 84], Operations: ['76+8=84'] Exploring Operation: 71-67=4, Resulting Numbers: [84, 4] Generated Node #3: [84, 4] from Operation: 71-67=4 Current State: 21:[84, 4], Operations: ['76+8=84', '71-67=4'] Exploring Operation: 84/4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[76, 67, 71, 8], Operations: [] Exploring Operation: 71-67=4, Resulting Numbers: [76, 8, 4] Generated Node #0,0: 21:[76, 8, 4] Operation: 71-67=4 Exploring Operation: 76-67=9, Resulting Numbers: [71, 8, 9] Generated Node #0,1: 21:[71, 8, 9] Operation: 76-67=9 Exploring Operation: 76-71=5, Resulting Numbers: [67, 8, 5] Generated Node #0,2: 21:[67, 8, 5] Operation: 76-71=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 21:[67, 8, 5], Operations: ['76-71=5'] Exploring Operation: 8-5=3, Resulting Numbers: [67, 3] Generated Node #0,2,0: 21:[67, 3] Operation: 8-5=3 Exploring Operation: 67-5=62, Resulting Numbers: [8, 62] Generated Node #0,2,1: 21:[8, 62] Operation: 67-5=62 Exploring Operation: 67-8=59, Resulting Numbers: [5, 59] Generated Node #0,2,2: 21:[5, 59] Operation: 67-8=59 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 21:[5, 59], Operations: ['76-71=5', '67-8=59'] Exploring Operation: 5+59=64, Resulting Numbers: [64] 64,21 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 5*59=295, Resulting Numbers: [295] 295,21 unequal: No Solution No 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: 21:[8, 62], Operations: ['76-71=5', '67-5=62'] Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 8*62=496, Resulting Numbers: [496] 496,21 unequal: No Solution Exploring Operation: 8+62=70, Resulting Numbers: [70] 70,21 unequal: No Solution No 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: 21:[67, 3], Operations: ['76-71=5', '8-5=3'] Exploring Operation: 67*3=201, Resulting Numbers: [201] 201,21 unequal: No Solution Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,21 unequal: No Solution Exploring Operation: 67+3=70, Resulting Numbers: [70] 70,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[71, 8, 9], Operations: ['76-67=9'] Exploring Operation: 71-9=62, Resulting Numbers: [8, 62] Generated Node #0,1,0: 21:[8, 62] Operation: 71-9=62 Exploring Operation: 9-8=1, Resulting Numbers: [71, 1] Generated Node #0,1,1: 21:[71, 1] Operation: 9-8=1 Exploring Operation: 71-8=63, Resulting Numbers: [9, 63] Generated Node #0,1,2: 21:[9, 63] Operation: 71-8=63 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 21:[8, 62], Operations: ['76-67=9', '71-9=62'] Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 8+62=70, Resulting Numbers: [70] 70,21 unequal: No Solution Exploring Operation: 8*62=496, Resulting Numbers: [496] 496,21 unequal: No Solution No 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: 21:[9, 63], Operations: ['76-67=9', '71-8=63'] Exploring Operation: 9+63=72, Resulting Numbers: [72] 72,21 unequal: No Solution Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 63/9=7, Resulting Numbers: [7] 7,21 unequal: No Solution No 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: 21:[71, 1], Operations: ['76-67=9', '9-8=1'] Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,21 unequal: No Solution Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,21 unequal: No Solution Exploring Operation: 71*1=71, Resulting Numbers: [71] 71,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[76, 8, 4], Operations: ['71-67=4'] Exploring Operation: 76/4=19, Resulting Numbers: [8, 19] Generated Node #0,0,0: 21:[8, 19] Operation: 76/4=19 Exploring Operation: 76-4=72, Resulting Numbers: [8, 72] Generated Node #0,0,1: 21:[8, 72] Operation: 76-4=72 Exploring Operation: 76-8=68, Resulting Numbers: [4, 68] Generated Node #0,0,2: 21:[4, 68] Operation: 76-8=68 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 21:[8, 19], Operations: ['71-67=4', '76/4=19'] Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,21 unequal: No Solution Exploring Operation: 8*19=152, Resulting Numbers: [152] 152,21 unequal: No Solution Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,21 unequal: No Solution No 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: 21:[4, 68], Operations: ['71-67=4', '76-8=68'] Exploring Operation: 68-4=64, Resulting Numbers: [64] 64,21 unequal: No Solution Exploring Operation: 4+68=72, Resulting Numbers: [72] 72,21 unequal: No Solution Exploring Operation: 68/4=17, Resulting Numbers: [17] 17,21 unequal: No Solution No 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: 21:[8, 72], Operations: ['71-67=4', '76-4=72'] Exploring Operation: 8+72=80, Resulting Numbers: [80] 80,21 unequal: No Solution Exploring Operation: 72-8=64, Resulting Numbers: [64] 64,21 unequal: No Solution Exploring Operation: 72/8=9, Resulting Numbers: [9] 9,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 57, 24, 44, 49 ]
41
[ "57-49=8", "24/8=3", "44-3=41" ]
Current State: 41:[57, 24, 44, 49], Operations: [] Exploring Operation: 57-49=8, Resulting Numbers: [24, 44, 8] Generated Node #2: [24, 44, 8] from Operation: 57-49=8 Current State: 41:[24, 44, 8], Operations: ['57-49=8'] Exploring Operation: 24/8=3, Resulting Numbers: [44, 3] Generated Node #3: [44, 3] from Operation: 24/8=3 Current State: 41:[44, 3], Operations: ['57-49=8', '24/8=3'] Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[57, 24, 44, 49], Operations: [] Exploring Operation: 57-24=33, Resulting Numbers: [44, 49, 33] Generated Node #0,0: 41:[44, 49, 33] Operation: 57-24=33 Exploring Operation: 57+24=81, Resulting Numbers: [44, 49, 81] Generated Node #0,1: 41:[44, 49, 81] Operation: 57+24=81 Exploring Operation: 44-24=20, Resulting Numbers: [57, 49, 20] Generated Node #0,2: 41:[57, 49, 20] Operation: 44-24=20 Exploring Operation: 49-24=25, Resulting Numbers: [57, 44, 25] Generated Node #0,3: 41:[57, 44, 25] Operation: 49-24=25 Moving to Node #0,0 Current State: 41:[44, 49, 33], Operations: ['57-24=33'] Exploring Operation: 49-33=16, Resulting Numbers: [44, 16] Generated Node #0,0,0: 41:[44, 16] Operation: 49-33=16 Exploring Operation: 44-33=11, Resulting Numbers: [49, 11] Generated Node #0,0,1: 41:[49, 11] Operation: 44-33=11 Exploring Operation: 44+33=77, Resulting Numbers: [49, 77] Generated Node #0,0,2: 41:[49, 77] Operation: 44+33=77 Exploring Operation: 49-44=5, Resulting Numbers: [33, 5] Generated Node #0,0,3: 41:[33, 5] Operation: 49-44=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[44, 16], Operations: ['57-24=33', '49-33=16'] Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,41 unequal: No Solution Exploring Operation: 44*16=704, Resulting Numbers: [704] 704,41 unequal: No Solution Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,41 unequal: No Solution No 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: 41:[49, 11], Operations: ['57-24=33', '44-33=11'] Exploring Operation: 49+11=60, Resulting Numbers: [60] 60,41 unequal: No Solution Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,41 unequal: No Solution Exploring Operation: 49*11=539, Resulting Numbers: [539] 539,41 unequal: No Solution No 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: 41:[49, 77], Operations: ['57-24=33', '44+33=77'] Exploring Operation: 49+77=126, Resulting Numbers: [126] 126,41 unequal: No Solution Exploring Operation: 77-49=28, Resulting Numbers: [28] 28,41 unequal: No Solution Exploring Operation: 49*77=3773, Resulting Numbers: [3773] 3773,41 unequal: No Solution No 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: 41:[33, 5], Operations: ['57-24=33', '49-44=5'] Exploring Operation: 33*5=165, Resulting Numbers: [165] 165,41 unequal: No Solution Exploring Operation: 33+5=38, Resulting Numbers: [38] 38,41 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,41 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: 41:[57, 44, 25], Operations: ['49-24=25'] Exploring Operation: 57-44=13, Resulting Numbers: [25, 13] Generated Node #0,3,0: 41:[25, 13] Operation: 57-44=13 Exploring Operation: 44-25=19, Resulting Numbers: [57, 19] Generated Node #0,3,1: 41:[57, 19] Operation: 44-25=19 Exploring Operation: 57+25=82, Resulting Numbers: [44, 82] Generated Node #0,3,2: 41:[44, 82] Operation: 57+25=82 Exploring Operation: 57-25=32, Resulting Numbers: [44, 32] Generated Node #0,3,3: 41:[44, 32] Operation: 57-25=32 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 41:[44, 32], Operations: ['49-24=25', '57-25=32'] Exploring Operation: 44*32=1408, Resulting Numbers: [1408] 1408,41 unequal: No Solution Exploring Operation: 44+32=76, Resulting Numbers: [76] 76,41 unequal: No Solution Exploring Operation: 44-32=12, Resulting Numbers: [12] 12,41 unequal: No Solution No 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: 41:[57, 19], Operations: ['49-24=25', '44-25=19'] Exploring Operation: 57+19=76, Resulting Numbers: [76] 76,41 unequal: No Solution Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,41 unequal: No Solution Exploring Operation: 57*19=1083, Resulting Numbers: [1083] 1083,41 unequal: No Solution Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,41 unequal: No Solution No 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: 41:[25, 13], Operations: ['49-24=25', '57-44=13'] Exploring Operation: 25+13=38, Resulting Numbers: [38] 38,41 unequal: No Solution Exploring Operation: 25*13=325, Resulting Numbers: [325] 325,41 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,41 unequal: No Solution No 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: 41:[44, 82], Operations: ['49-24=25', '57+25=82'] Exploring Operation: 44*82=3608, Resulting Numbers: [3608] 3608,41 unequal: No Solution Exploring Operation: 82-44=38, Resulting Numbers: [38] 38,41 unequal: No Solution Exploring Operation: 44+82=126, Resulting Numbers: [126] 126,41 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: 41:[57, 49, 20], Operations: ['44-24=20'] Exploring Operation: 49+20=69, Resulting Numbers: [57, 69] Generated Node #0,2,0: 41:[57, 69] Operation: 49+20=69 Exploring Operation: 57+20=77, Resulting Numbers: [49, 77] Generated Node #0,2,1: 41:[49, 77] Operation: 57+20=77 Exploring Operation: 57-20=37, Resulting Numbers: [49, 37] Generated Node #0,2,2: 41:[49, 37] Operation: 57-20=37 Exploring Operation: 49-20=29, Resulting Numbers: [57, 29] Generated Node #0,2,3: 41:[57, 29] Operation: 49-20=29 Moving to Node #0,1 Current State: 41:[44, 49, 81], Operations: ['57+24=81'] Exploring Operation: 44+49=93, Resulting Numbers: [81, 93] Generated Node #0,1,0: 41:[81, 93] Operation: 44+49=93 Exploring Operation: 81-44=37, Resulting Numbers: [49, 37] Generated Node #0,1,1: 41:[49, 37] Operation: 81-44=37 Exploring Operation: 81-49=32, Resulting Numbers: [44, 32] Generated Node #0,1,2: 41:[44, 32] Operation: 81-49=32 Exploring Operation: 49-44=5, Resulting Numbers: [81, 5] Generated Node #0,1,3: 41:[81, 5] Operation: 49-44=5 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[49, 37], Operations: ['57+24=81', '81-44=37'] Exploring Operation: 49+37=86, Resulting Numbers: [86] 86,41 unequal: No Solution Exploring Operation: 49*37=1813, Resulting Numbers: [1813] 1813,41 unequal: No Solution Exploring Operation: 49-37=12, Resulting Numbers: [12] 12,41 unequal: No Solution No 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: 41:[44, 32], Operations: ['57+24=81', '81-49=32'] Exploring Operation: 44+32=76, Resulting Numbers: [76] 76,41 unequal: No Solution Exploring Operation: 44*32=1408, Resulting Numbers: [1408] 1408,41 unequal: No Solution Exploring Operation: 44-32=12, Resulting Numbers: [12] 12,41 unequal: No Solution No 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: 41:[81, 5], Operations: ['57+24=81', '49-44=5'] Exploring Operation: 81-5=76, Resulting Numbers: [76] 76,41 unequal: No Solution Exploring Operation: 81*5=405, Resulting Numbers: [405] 405,41 unequal: No Solution Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,41 unequal: No Solution No 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: 41:[81, 93], Operations: ['57+24=81', '44+49=93'] Exploring Operation: 93-81=12, Resulting Numbers: [12] 12,41 unequal: No Solution Exploring Operation: 81+93=174, Resulting Numbers: [174] 174,41 unequal: No Solution Exploring Operation: 81*93=7533, Resulting Numbers: [7533] 7533,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 41:[49, 37], Operations: ['44-24=20', '57-20=37'] Exploring Operation: 49-37=12, Resulting Numbers: [12] 12,41 unequal: No Solution Exploring Operation: 49*37=1813, Resulting Numbers: [1813] 1813,41 unequal: No Solution Exploring Operation: 49+37=86, Resulting Numbers: [86] 86,41 unequal: No Solution Moving to Node #0,2,3 Current State: 41:[57, 29], Operations: ['44-24=20', '49-20=29'] Exploring Operation: 57-29=28, Resulting Numbers: [28] 28,41 unequal: No Solution Exploring Operation: 57*29=1653, Resulting Numbers: [1653] 1653,41 unequal: No Solution Exploring Operation: 57+29=86, Resulting Numbers: [86] 86,41 unequal: No Solution Moving to Node #0,2,1 Current State: 41:[49, 77], Operations: ['44-24=20', '57+20=77'] Exploring Operation: 77-49=28, Resulting Numbers: [28] 28,41 unequal: No Solution Exploring Operation: 49+77=126, Resulting Numbers: [126] 126,41 unequal: No Solution Exploring Operation: 49*77=3773, Resulting Numbers: [3773] 3773,41 unequal: No Solution Moving to Node #0,2,0 Current State: 41:[57, 69], Operations: ['44-24=20', '49+20=69'] Exploring Operation: 57*69=3933, Resulting Numbers: [3933] 3933,41 unequal: No Solution Exploring Operation: 57+69=126, Resulting Numbers: [126] 126,41 unequal: No Solution Exploring Operation: 69-57=12, Resulting Numbers: [12] 12,41 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 40, 44, 29, 19 ]
47
[ "44-40=4", "19*4=76", "76-29=47" ]
Current State: 47:[40, 44, 29, 19], Operations: [] Exploring Operation: 44-40=4, Resulting Numbers: [29, 19, 4] Generated Node #2: [29, 19, 4] from Operation: 44-40=4 Current State: 47:[29, 19, 4], Operations: ['44-40=4'] Exploring Operation: 19*4=76, Resulting Numbers: [29, 76] Generated Node #3: [29, 76] from Operation: 19*4=76 Current State: 47:[29, 76], Operations: ['44-40=4', '19*4=76'] Exploring Operation: 76-29=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[40, 44, 29, 19], Operations: [] Exploring Operation: 40-19=21, Resulting Numbers: [44, 29, 21] Generated Node #0,0: 47:[44, 29, 21] Operation: 40-19=21 Exploring Operation: 29+19=48, Resulting Numbers: [40, 44, 48] Generated Node #0,1: 47:[40, 44, 48] Operation: 29+19=48 Exploring Operation: 40+19=59, Resulting Numbers: [44, 29, 59] Generated Node #0,2: 47:[44, 29, 59] Operation: 40+19=59 Exploring Operation: 44+19=63, Resulting Numbers: [40, 29, 63] Generated Node #0,3: 47:[40, 29, 63] Operation: 44+19=63 Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[40, 44, 48], Operations: ['29+19=48'] Exploring Operation: 40+48=88, Resulting Numbers: [44, 88] Generated Node #0,1,0: 47:[44, 88] Operation: 40+48=88 Exploring Operation: 40+44=84, Resulting Numbers: [48, 84] Generated Node #0,1,1: 47:[48, 84] Operation: 40+44=84 Exploring Operation: 44-40=4, Resulting Numbers: [48, 4] Generated Node #0,1,2: 47:[48, 4] Operation: 44-40=4 Exploring Operation: 48-40=8, Resulting Numbers: [44, 8] Generated Node #0,1,3: 47:[44, 8] Operation: 48-40=8 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 47:[48, 84], Operations: ['29+19=48', '40+44=84'] Exploring Operation: 84-48=36, Resulting Numbers: [36] 36,47 unequal: No Solution Exploring Operation: 48*84=4032, Resulting Numbers: [4032] 4032,47 unequal: No Solution Exploring Operation: 48+84=132, Resulting Numbers: [132] 132,47 unequal: No Solution No 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: 47:[44, 8], Operations: ['29+19=48', '48-40=8'] Exploring Operation: 44+8=52, Resulting Numbers: [52] 52,47 unequal: No Solution Exploring Operation: 44*8=352, Resulting Numbers: [352] 352,47 unequal: No Solution Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,47 unequal: No Solution No 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: 47:[44, 88], Operations: ['29+19=48', '40+48=88'] Exploring Operation: 44*88=3872, Resulting Numbers: [3872] 3872,47 unequal: No Solution Exploring Operation: 88/44=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 44+88=132, Resulting Numbers: [132] 132,47 unequal: No Solution Exploring Operation: 88-44=44, Resulting Numbers: [44] 44,47 unequal: No Solution No 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: 47:[48, 4], Operations: ['29+19=48', '44-40=4'] Exploring Operation: 48+4=52, Resulting Numbers: [52] 52,47 unequal: No Solution Exploring Operation: 48*4=192, Resulting Numbers: [192] 192,47 unequal: No Solution Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,47 unequal: No Solution Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,47 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: 47:[44, 29, 59], Operations: ['40+19=59'] Exploring Operation: 44+29=73, Resulting Numbers: [59, 73] Generated Node #0,2,0: 47:[59, 73] Operation: 44+29=73 Exploring Operation: 29+59=88, Resulting Numbers: [44, 88] Generated Node #0,2,1: 47:[44, 88] Operation: 29+59=88 Exploring Operation: 59-29=30, Resulting Numbers: [44, 30] Generated Node #0,2,2: 47:[44, 30] Operation: 59-29=30 Exploring Operation: 44-29=15, Resulting Numbers: [59, 15] Generated Node #0,2,3: 47:[59, 15] Operation: 44-29=15 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 47:[44, 30], Operations: ['40+19=59', '59-29=30'] Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,47 unequal: No Solution Exploring Operation: 44*30=1320, Resulting Numbers: [1320] 1320,47 unequal: No Solution Exploring Operation: 44+30=74, Resulting Numbers: [74] 74,47 unequal: No Solution No 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: 47:[59, 73], Operations: ['40+19=59', '44+29=73'] Exploring Operation: 59+73=132, Resulting Numbers: [132] 132,47 unequal: No Solution Exploring Operation: 59*73=4307, Resulting Numbers: [4307] 4307,47 unequal: No Solution Exploring Operation: 73-59=14, Resulting Numbers: [14] 14,47 unequal: No Solution No 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: 47:[44, 88], Operations: ['40+19=59', '29+59=88'] Exploring Operation: 44*88=3872, Resulting Numbers: [3872] 3872,47 unequal: No Solution Exploring Operation: 88-44=44, Resulting Numbers: [44] 44,47 unequal: No Solution Exploring Operation: 88/44=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 44+88=132, Resulting Numbers: [132] 132,47 unequal: No Solution No 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: 47:[59, 15], Operations: ['40+19=59', '44-29=15'] Exploring Operation: 59*15=885, Resulting Numbers: [885] 885,47 unequal: No Solution Exploring Operation: 59-15=44, Resulting Numbers: [44] 44,47 unequal: No Solution Exploring Operation: 59+15=74, Resulting Numbers: [74] 74,47 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: 47:[40, 29, 63], Operations: ['44+19=63'] Exploring Operation: 63-40=23, Resulting Numbers: [29, 23] Generated Node #0,3,0: 47:[29, 23] Operation: 63-40=23 Exploring Operation: 40+29=69, Resulting Numbers: [63, 69] Generated Node #0,3,1: 47:[63, 69] Operation: 40+29=69 Exploring Operation: 63-29=34, Resulting Numbers: [40, 34] Generated Node #0,3,2: 47:[40, 34] Operation: 63-29=34 Exploring Operation: 40-29=11, Resulting Numbers: [63, 11] Generated Node #0,3,3: 47:[63, 11] Operation: 40-29=11 Moving to Node #0,3,2 Current State: 47:[40, 34], Operations: ['44+19=63', '63-29=34'] Exploring Operation: 40-34=6, Resulting Numbers: [6] 6,47 unequal: No Solution Exploring Operation: 40*34=1360, Resulting Numbers: [1360] 1360,47 unequal: No Solution Exploring Operation: 40+34=74, Resulting Numbers: [74] 74,47 unequal: No Solution Moving to Node #0,3,1 Current State: 47:[63, 69], Operations: ['44+19=63', '40+29=69'] Exploring Operation: 69-63=6, Resulting Numbers: [6] 6,47 unequal: No Solution Exploring Operation: 63+69=132, Resulting Numbers: [132] 132,47 unequal: No Solution Exploring Operation: 63*69=4347, Resulting Numbers: [4347] 4347,47 unequal: No Solution Moving to Node #0,3,0 Current State: 47:[29, 23], Operations: ['44+19=63', '63-40=23'] Exploring Operation: 29*23=667, Resulting Numbers: [667] 667,47 unequal: No Solution Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,47 unequal: No Solution Exploring Operation: 29+23=52, Resulting Numbers: [52] 52,47 unequal: No Solution Moving to Node #0,3,3 Current State: 47:[63, 11], Operations: ['44+19=63', '40-29=11'] Exploring Operation: 63+11=74, Resulting Numbers: [74] 74,47 unequal: No Solution Exploring Operation: 63*11=693, Resulting Numbers: [693] 693,47 unequal: No Solution Exploring Operation: 63-11=52, Resulting Numbers: [52] 52,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[44, 29, 21], Operations: ['40-19=21'] Exploring Operation: 44+21=65, Resulting Numbers: [29, 65] Generated Node #0,0,0: 47:[29, 65] Operation: 44+21=65 Exploring Operation: 44-21=23, Resulting Numbers: [29, 23] Generated Node #0,0,1: 47:[29, 23] Operation: 44-21=23 Exploring Operation: 29-21=8, Resulting Numbers: [44, 8] Generated Node #0,0,2: 47:[44, 8] Operation: 29-21=8 Exploring Operation: 29+21=50, Resulting Numbers: [44, 50] Generated Node #0,0,3: 47:[44, 50] Operation: 29+21=50 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 47:[44, 50], Operations: ['40-19=21', '29+21=50'] Exploring Operation: 44+50=94, Resulting Numbers: [94] 94,47 unequal: No Solution Exploring Operation: 50-44=6, Resulting Numbers: [6] 6,47 unequal: No Solution Exploring Operation: 44*50=2200, Resulting Numbers: [2200] 2200,47 unequal: No Solution No 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: 47:[29, 65], Operations: ['40-19=21', '44+21=65'] Exploring Operation: 29+65=94, Resulting Numbers: [94] 94,47 unequal: No Solution Exploring Operation: 65-29=36, Resulting Numbers: [36] 36,47 unequal: No Solution Exploring Operation: 29*65=1885, Resulting Numbers: [1885] 1885,47 unequal: No Solution No 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: 47:[29, 23], Operations: ['40-19=21', '44-21=23'] Exploring Operation: 29+23=52, Resulting Numbers: [52] 52,47 unequal: No Solution Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,47 unequal: No Solution Exploring Operation: 29*23=667, Resulting Numbers: [667] 667,47 unequal: No Solution No 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: 47:[44, 8], Operations: ['40-19=21', '29-21=8'] Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,47 unequal: No Solution Exploring Operation: 44*8=352, Resulting Numbers: [352] 352,47 unequal: No Solution Exploring Operation: 44+8=52, Resulting Numbers: [52] 52,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 35, 8, 45, 37 ]
43
[ "45-35=10", "8*10=80", "80-37=43" ]
Current State: 43:[35, 8, 45, 37], Operations: [] Exploring Operation: 45-35=10, Resulting Numbers: [8, 37, 10] Generated Node #2: [8, 37, 10] from Operation: 45-35=10 Current State: 43:[8, 37, 10], Operations: ['45-35=10'] Exploring Operation: 8*10=80, Resulting Numbers: [37, 80] Generated Node #3: [37, 80] from Operation: 8*10=80 Current State: 43:[37, 80], Operations: ['45-35=10', '8*10=80'] Exploring Operation: 80-37=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[35, 8, 45, 37], Operations: [] Exploring Operation: 8+37=45, Resulting Numbers: [35, 45, 45] Generated Node #0,0: 43:[35, 45, 45] Operation: 8+37=45 Exploring Operation: 35+8=43, Resulting Numbers: [45, 37, 43] Generated Node #0,1: 43:[45, 37, 43] Operation: 35+8=43 Moving to Node #0,1 Current State: 43:[45, 37, 43], Operations: ['35+8=43'] Exploring Operation: 45+37=82, Resulting Numbers: [43, 82] Generated Node #0,1,0: 43:[43, 82] Operation: 45+37=82 Exploring Operation: 45-37=8, Resulting Numbers: [43, 8] Generated Node #0,1,1: 43:[43, 8] Operation: 45-37=8 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 43:[43, 8], Operations: ['35+8=43', '45-37=8'] Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,43 unequal: No Solution Exploring Operation: 43+8=51, Resulting Numbers: [51] 51,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 43:[43, 82], Operations: ['35+8=43', '45+37=82'] Exploring Operation: 43+82=125, Resulting Numbers: [125] 125,43 unequal: No Solution Exploring Operation: 82-43=39, Resulting Numbers: [39] 39,43 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: 43:[35, 45, 45], Operations: ['8+37=45'] Exploring Operation: 45-35=10, Resulting Numbers: [45, 10] Generated Node #0,0,0: 43:[45, 10] Operation: 45-35=10 Exploring Operation: 45-35=10, Resulting Numbers: [45, 10] Generated Node #0,0,1: 43:[45, 10] Operation: 45-35=10 Moving to Node #0,0,0 Current State: 43:[45, 10], Operations: ['8+37=45', '45-35=10'] Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,43 unequal: No Solution Exploring Operation: 45+10=55, Resulting Numbers: [55] 55,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[45, 10], Operations: ['8+37=45', '45-35=10'] Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,43 unequal: No Solution Exploring Operation: 45+10=55, Resulting Numbers: [55] 55,43 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 57, 48, 97, 74 ]
82
[ "57+48=105", "97-74=23", "105-23=82" ]
Current State: 82:[57, 48, 97, 74], Operations: [] Exploring Operation: 57+48=105, Resulting Numbers: [97, 74, 105] Generated Node #2: [97, 74, 105] from Operation: 57+48=105 Current State: 82:[97, 74, 105], Operations: ['57+48=105'] Exploring Operation: 97-74=23, Resulting Numbers: [105, 23] Generated Node #3: [105, 23] from Operation: 97-74=23 Current State: 82:[105, 23], Operations: ['57+48=105', '97-74=23'] Exploring Operation: 105-23=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[57, 48, 97, 74], Operations: [] Exploring Operation: 97-57=40, Resulting Numbers: [48, 74, 40] Generated Node #0,0: 82:[48, 74, 40] Operation: 97-57=40 Exploring Operation: 74-57=17, Resulting Numbers: [48, 97, 17] Generated Node #0,1: 82:[48, 97, 17] Operation: 74-57=17 Exploring Operation: 57-48=9, Resulting Numbers: [97, 74, 9] Generated Node #0,2: 82:[97, 74, 9] Operation: 57-48=9 Exploring Operation: 97-48=49, Resulting Numbers: [57, 74, 49] Generated Node #0,3: 82:[57, 74, 49] Operation: 97-48=49 Moving to Node #0,0 Current State: 82:[48, 74, 40], Operations: ['97-57=40'] Exploring Operation: 48-40=8, Resulting Numbers: [74, 8] Generated Node #0,0,0: 82:[74, 8] Operation: 48-40=8 Exploring Operation: 74-48=26, Resulting Numbers: [40, 26] Generated Node #0,0,1: 82:[40, 26] Operation: 74-48=26 Exploring Operation: 48+40=88, Resulting Numbers: [74, 88] Generated Node #0,0,2: 82:[74, 88] Operation: 48+40=88 Exploring Operation: 74-40=34, Resulting Numbers: [48, 34] Generated Node #0,0,3: 82:[48, 34] Operation: 74-40=34 Moving to Node #0,2 Current State: 82:[97, 74, 9], Operations: ['57-48=9'] Exploring Operation: 97-74=23, Resulting Numbers: [9, 23] Generated Node #0,2,0: 82:[9, 23] Operation: 97-74=23 Exploring Operation: 74+9=83, Resulting Numbers: [97, 83] Generated Node #0,2,1: 82:[97, 83] Operation: 74+9=83 Exploring Operation: 97-9=88, Resulting Numbers: [74, 88] Generated Node #0,2,2: 82:[74, 88] Operation: 97-9=88 Exploring Operation: 97+9=106, Resulting Numbers: [74, 106] Generated Node #0,2,3: 82:[74, 106] Operation: 97+9=106 Moving to Node #0,3 Current State: 82:[57, 74, 49], Operations: ['97-48=49'] Exploring Operation: 74-57=17, Resulting Numbers: [49, 17] Generated Node #0,3,0: 82:[49, 17] Operation: 74-57=17 Exploring Operation: 74-49=25, Resulting Numbers: [57, 25] Generated Node #0,3,1: 82:[57, 25] Operation: 74-49=25 Exploring Operation: 57-49=8, Resulting Numbers: [74, 8] Generated Node #0,3,2: 82:[74, 8] Operation: 57-49=8 Exploring Operation: 57+49=106, Resulting Numbers: [74, 106] Generated Node #0,3,3: 82:[74, 106] Operation: 57+49=106 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 82:[74, 8], Operations: ['97-48=49', '57-49=8'] Exploring Operation: 74-8=66, Resulting Numbers: [66] 66,82 unequal: No Solution Exploring Operation: 74*8=592, Resulting Numbers: [592] 592,82 unequal: No Solution Exploring Operation: 74+8=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[57, 48, 97, 74], Operations: [] Exploring Operation: 97-48=49, Resulting Numbers: [57, 74, 49] Generated Node #0,3: 82:[57, 74, 49] Operation: 97-48=49 Moving to Node #0,3 Current State: 82:[57, 74, 49], Operations: ['97-48=49'] Exploring Operation: 57-49=8, Resulting Numbers: [74, 8] Generated Node #0,3,2: 82:[74, 8] Operation: 57-49=8 Moving to Node #0,3,2 Current State: 82:[74, 8], Operations: ['97-48=49', '57-49=8'] Exploring Operation: 74+8=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
mult_heuristic
[ 3, 39, 39, 5 ]
12
[ "39/39=1", "5-1=4", "3*4=12" ]
Current State: 12:[3, 39, 39, 5], Operations: [] Exploring Operation: 39/39=1, Resulting Numbers: [3, 5, 1] Generated Node #2: [3, 5, 1] from Operation: 39/39=1 Current State: 12:[3, 5, 1], Operations: ['39/39=1'] Exploring Operation: 5-1=4, Resulting Numbers: [3, 4] Generated Node #3: [3, 4] from Operation: 5-1=4 Current State: 12:[3, 4], Operations: ['39/39=1', '5-1=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[3, 39, 39, 5], Operations: [] Exploring Operation: 39-39=0, Resulting Numbers: [3, 5, 0] Generated Node #0,0: 12:[3, 5, 0] Operation: 39-39=0 Exploring Operation: 39/3=13, Resulting Numbers: [39, 5, 13] Generated Node #0,1: 12:[39, 5, 13] Operation: 39/3=13 Exploring Operation: 39-5=34, Resulting Numbers: [3, 39, 34] Generated Node #0,2: 12:[3, 39, 34] Operation: 39-5=34 Exploring Operation: 39/3=13, Resulting Numbers: [39, 5, 13] Generated Node #0,3: 12:[39, 5, 13] Operation: 39/3=13 Exploring Operation: 39/39=1, Resulting Numbers: [3, 5, 1] Generated Node #0,4: 12:[3, 5, 1] Operation: 39/39=1 Start Sub Search at level 1: Moving to Node #0,4 Current State: 12:[3, 5, 1], Operations: ['39/39=1'] Exploring Operation: 3*1=3, Resulting Numbers: [5, 3] Generated Node #0,4,0: 12:[5, 3] Operation: 3*1=3 Exploring Operation: 5+1=6, Resulting Numbers: [3, 6] Generated Node #0,4,1: 12:[3, 6] Operation: 5+1=6 Exploring Operation: 3+1=4, Resulting Numbers: [5, 4] Generated Node #0,4,2: 12:[5, 4] Operation: 3+1=4 Exploring Operation: 5-3=2, Resulting Numbers: [1, 2] Generated Node #0,4,3: 12:[1, 2] Operation: 5-3=2 Exploring Operation: 5-1=4, Resulting Numbers: [3, 4] Generated Node #0,4,4: 12:[3, 4] Operation: 5-1=4 Moving to Node #0,4,1 Current State: 12:[3, 6], Operations: ['39/39=1', '5+1=6'] Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,12 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,12 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,12 unequal: No Solution Moving to Node #0,4,4 Current State: 12:[3, 4], Operations: ['39/39=1', '5-1=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,12 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,12 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[3, 39, 39, 5], Operations: [] Exploring Operation: 39/39=1, Resulting Numbers: [3, 5, 1] Generated Node #0,4: 12:[3, 5, 1] Operation: 39/39=1 Moving to Node #0,4 Current State: 12:[3, 5, 1], Operations: ['39/39=1'] Exploring Operation: 5-1=4, Resulting Numbers: [3, 4] Generated Node #0,4,4: 12:[3, 4] Operation: 5-1=4 Moving to Node #0,4,4 Current State: 12:[3, 4], Operations: ['39/39=1', '5-1=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 94, 32, 39, 37 ]
90
[ "94*37=3478", "32+3478=3510", "3510/39=90" ]
Current State: 90:[94, 32, 39, 37], Operations: [] Exploring Operation: 94*37=3478, Resulting Numbers: [32, 39, 3478] Generated Node #2: [32, 39, 3478] from Operation: 94*37=3478 Current State: 90:[32, 39, 3478], Operations: ['94*37=3478'] Exploring Operation: 32+3478=3510, Resulting Numbers: [39, 3510] Generated Node #3: [39, 3510] from Operation: 32+3478=3510 Current State: 90:[39, 3510], Operations: ['94*37=3478', '32+3478=3510'] Exploring Operation: 3510/39=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[94, 32, 39, 37], Operations: [] Exploring Operation: 37-32=5, Resulting Numbers: [94, 39, 5] Generated Node #0,0: 90:[94, 39, 5] Operation: 37-32=5 Exploring Operation: 39-37=2, Resulting Numbers: [94, 32, 2] Generated Node #0,1: 90:[94, 32, 2] Operation: 39-37=2 Exploring Operation: 39-32=7, Resulting Numbers: [94, 37, 7] Generated Node #0,2: 90:[94, 37, 7] Operation: 39-32=7 Exploring Operation: 94-37=57, Resulting Numbers: [32, 39, 57] Generated Node #0,3: 90:[32, 39, 57] Operation: 94-37=57 Exploring Operation: 94-39=55, Resulting Numbers: [32, 37, 55] Generated Node #0,4: 90:[32, 37, 55] Operation: 94-39=55 Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[94, 32, 2], Operations: ['39-37=2'] Exploring Operation: 94-2=92, Resulting Numbers: [32, 92] Generated Node #0,1,0: 90:[32, 92] Operation: 94-2=92 Exploring Operation: 94+2=96, Resulting Numbers: [32, 96] Generated Node #0,1,1: 90:[32, 96] Operation: 94+2=96 Exploring Operation: 32-2=30, Resulting Numbers: [94, 30] Generated Node #0,1,2: 90:[94, 30] Operation: 32-2=30 Exploring Operation: 32/2=16, Resulting Numbers: [94, 16] Generated Node #0,1,3: 90:[94, 16] Operation: 32/2=16 Exploring Operation: 94/2=47, Resulting Numbers: [32, 47] Generated Node #0,1,4: 90:[32, 47] Operation: 94/2=47 Moving to Node #0,1,0 Current State: 90:[32, 92], Operations: ['39-37=2', '94-2=92'] Exploring Operation: 32+92=124, Resulting Numbers: [124] 124,90 unequal: No Solution Exploring Operation: 32*92=2944, Resulting Numbers: [2944] 2944,90 unequal: No Solution Exploring Operation: 92-32=60, Resulting Numbers: [60] 60,90 unequal: No Solution Moving to Node #0,1,4 Current State: 90:[32, 47], Operations: ['39-37=2', '94/2=47'] Exploring Operation: 32+47=79, Resulting Numbers: [79] 79,90 unequal: No Solution Exploring Operation: 32*47=1504, Resulting Numbers: [1504] 1504,90 unequal: No Solution Exploring Operation: 47-32=15, Resulting Numbers: [15] 15,90 unequal: No Solution Moving to Node #0,1,2 Current State: 90:[94, 30], Operations: ['39-37=2', '32-2=30'] Exploring Operation: 94-30=64, Resulting Numbers: [64] 64,90 unequal: No Solution Exploring Operation: 94*30=2820, Resulting Numbers: [2820] 2820,90 unequal: No Solution Exploring Operation: 94+30=124, Resulting Numbers: [124] 124,90 unequal: No Solution Moving to Node #0,1,3 Current State: 90:[94, 16], Operations: ['39-37=2', '32/2=16'] Exploring Operation: 94-16=78, Resulting Numbers: [78] 78,90 unequal: No Solution Exploring Operation: 94*16=1504, Resulting Numbers: [1504] 1504,90 unequal: No Solution Exploring Operation: 94+16=110, Resulting Numbers: [110] 110,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[32, 96], Operations: ['39-37=2', '94+2=96'] Exploring Operation: 96-32=64, Resulting Numbers: [64] 64,90 unequal: No Solution Exploring Operation: 32+96=128, Resulting Numbers: [128] 128,90 unequal: No Solution Exploring Operation: 32*96=3072, Resulting Numbers: [3072] 3072,90 unequal: No Solution Exploring Operation: 96/32=3, Resulting Numbers: [3] 3,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[94, 39, 5], Operations: ['37-32=5'] Exploring Operation: 94+5=99, Resulting Numbers: [39, 99] Generated Node #0,0,0: 90:[39, 99] Operation: 94+5=99 Exploring Operation: 39+5=44, Resulting Numbers: [94, 44] Generated Node #0,0,1: 90:[94, 44] Operation: 39+5=44 Exploring Operation: 39-5=34, Resulting Numbers: [94, 34] Generated Node #0,0,2: 90:[94, 34] Operation: 39-5=34 Exploring Operation: 94-39=55, Resulting Numbers: [5, 55] Generated Node #0,0,3: 90:[5, 55] Operation: 94-39=55 Exploring Operation: 94-5=89, Resulting Numbers: [39, 89] Generated Node #0,0,4: 90:[39, 89] Operation: 94-5=89 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 90:[94, 44], Operations: ['37-32=5', '39+5=44'] Exploring Operation: 94*44=4136, Resulting Numbers: [4136] 4136,90 unequal: No Solution Exploring Operation: 94+44=138, Resulting Numbers: [138] 138,90 unequal: No Solution Exploring Operation: 94-44=50, Resulting Numbers: [50] 50,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 90:[39, 89], Operations: ['37-32=5', '94-5=89'] Exploring Operation: 39+89=128, Resulting Numbers: [128] 128,90 unequal: No Solution Exploring Operation: 39*89=3471, Resulting Numbers: [3471] 3471,90 unequal: No Solution Exploring Operation: 89-39=50, Resulting Numbers: [50] 50,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 90:[94, 34], Operations: ['37-32=5', '39-5=34'] Exploring Operation: 94-34=60, Resulting Numbers: [60] 60,90 unequal: No Solution Exploring Operation: 94*34=3196, Resulting Numbers: [3196] 3196,90 unequal: No Solution Exploring Operation: 94+34=128, Resulting Numbers: [128] 128,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 90:[5, 55], Operations: ['37-32=5', '94-39=55'] Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,90 unequal: No Solution Exploring Operation: 5+55=60, Resulting Numbers: [60] 60,90 unequal: No Solution Exploring Operation: 5*55=275, Resulting Numbers: [275] 275,90 unequal: No Solution Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[39, 99], Operations: ['37-32=5', '94+5=99'] Exploring Operation: 39+99=138, Resulting Numbers: [138] 138,90 unequal: No Solution Exploring Operation: 39*99=3861, Resulting Numbers: [3861] 3861,90 unequal: No Solution Exploring Operation: 99-39=60, Resulting Numbers: [60] 60,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[94, 37, 7], Operations: ['39-32=7'] Exploring Operation: 94+7=101, Resulting Numbers: [37, 101] Generated Node #0,2,0: 90:[37, 101] Operation: 94+7=101 Exploring Operation: 37+7=44, Resulting Numbers: [94, 44] Generated Node #0,2,1: 90:[94, 44] Operation: 37+7=44 Exploring Operation: 37-7=30, Resulting Numbers: [94, 30] Generated Node #0,2,2: 90:[94, 30] Operation: 37-7=30 Exploring Operation: 94-37=57, Resulting Numbers: [7, 57] Generated Node #0,2,3: 90:[7, 57] Operation: 94-37=57 Exploring Operation: 94-7=87, Resulting Numbers: [37, 87] Generated Node #0,2,4: 90:[37, 87] Operation: 94-7=87 Moving to Node #0,2,2 Current State: 90:[94, 30], Operations: ['39-32=7', '37-7=30'] Exploring Operation: 94+30=124, Resulting Numbers: [124] 124,90 unequal: No Solution Exploring Operation: 94-30=64, Resulting Numbers: [64] 64,90 unequal: No Solution Exploring Operation: 94*30=2820, Resulting Numbers: [2820] 2820,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[94, 44], Operations: ['39-32=7', '37+7=44'] Exploring Operation: 94-44=50, Resulting Numbers: [50] 50,90 unequal: No Solution Exploring Operation: 94*44=4136, Resulting Numbers: [4136] 4136,90 unequal: No Solution Exploring Operation: 94+44=138, Resulting Numbers: [138] 138,90 unequal: No Solution Moving to Node #0,2,4 Current State: 90:[37, 87], Operations: ['39-32=7', '94-7=87'] Exploring Operation: 87-37=50, Resulting Numbers: [50] 50,90 unequal: No Solution Exploring Operation: 37+87=124, Resulting Numbers: [124] 124,90 unequal: No Solution Exploring Operation: 37*87=3219, Resulting Numbers: [3219] 3219,90 unequal: No Solution Moving to Node #0,2,3 Current State: 90:[7, 57], Operations: ['39-32=7', '94-37=57'] Exploring Operation: 57-7=50, Resulting Numbers: [50] 50,90 unequal: No Solution Exploring Operation: 7+57=64, Resulting Numbers: [64] 64,90 unequal: No Solution Exploring Operation: 7*57=399, Resulting Numbers: [399] 399,90 unequal: No Solution Moving to Node #0,2,0 Current State: 90:[37, 101], Operations: ['39-32=7', '94+7=101'] Exploring Operation: 37*101=3737, Resulting Numbers: [3737] 3737,90 unequal: No Solution Exploring Operation: 101-37=64, Resulting Numbers: [64] 64,90 unequal: No Solution Exploring Operation: 37+101=138, Resulting Numbers: [138] 138,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 90:[32, 37, 55], Operations: ['94-39=55'] Exploring Operation: 55-37=18, Resulting Numbers: [32, 18] Generated Node #0,4,0: 90:[32, 18] Operation: 55-37=18 Exploring Operation: 37-32=5, Resulting Numbers: [55, 5] Generated Node #0,4,1: 90:[55, 5] Operation: 37-32=5 Exploring Operation: 32+55=87, Resulting Numbers: [37, 87] Generated Node #0,4,2: 90:[37, 87] Operation: 32+55=87 Exploring Operation: 37+55=92, Resulting Numbers: [32, 92] Generated Node #0,4,3: 90:[32, 92] Operation: 37+55=92 Exploring Operation: 55-32=23, Resulting Numbers: [37, 23] Generated Node #0,4,4: 90:[37, 23] Operation: 55-32=23 Moving to Node #0,4,0 Current State: 90:[32, 18], Operations: ['94-39=55', '55-37=18'] Exploring Operation: 32*18=576, Resulting Numbers: [576] 576,90 unequal: No Solution Exploring Operation: 32-18=14, Resulting Numbers: [14] 14,90 unequal: No Solution Exploring Operation: 32+18=50, Resulting Numbers: [50] 50,90 unequal: No Solution Moving to Node #0,4,3 Current State: 90:[32, 92], Operations: ['94-39=55', '37+55=92'] Exploring Operation: 32+92=124, Resulting Numbers: [124] 124,90 unequal: No Solution Exploring Operation: 92-32=60, Resulting Numbers: [60] 60,90 unequal: No Solution Exploring Operation: 32*92=2944, Resulting Numbers: [2944] 2944,90 unequal: No Solution Moving to Node #0,4,1 Current State: 90:[55, 5], Operations: ['94-39=55', '37-32=5'] Exploring Operation: 55+5=60, Resulting Numbers: [60] 60,90 unequal: No Solution Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 55*5=275, Resulting Numbers: [275] 275,90 unequal: No Solution Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,90 unequal: No Solution Moving to Node #0,4,2 Current State: 90:[37, 87], Operations: ['94-39=55', '32+55=87'] Exploring Operation: 37+87=124, Resulting Numbers: [124] 124,90 unequal: No Solution Exploring Operation: 37*87=3219, Resulting Numbers: [3219] 3219,90 unequal: No Solution Exploring Operation: 87-37=50, Resulting Numbers: [50] 50,90 unequal: No Solution Moving to Node #0,4,4 Current State: 90:[37, 23], Operations: ['94-39=55', '55-32=23'] Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,90 unequal: No Solution Exploring Operation: 37+23=60, Resulting Numbers: [60] 60,90 unequal: No Solution Exploring Operation: 37*23=851, Resulting Numbers: [851] 851,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[32, 39, 57], Operations: ['94-37=57'] Exploring Operation: 57-39=18, Resulting Numbers: [32, 18] Generated Node #0,3,0: 90:[32, 18] Operation: 57-39=18 Exploring Operation: 57-32=25, Resulting Numbers: [39, 25] Generated Node #0,3,1: 90:[39, 25] Operation: 57-32=25 Exploring Operation: 39+57=96, Resulting Numbers: [32, 96] Generated Node #0,3,2: 90:[32, 96] Operation: 39+57=96 Exploring Operation: 39-32=7, Resulting Numbers: [57, 7] Generated Node #0,3,3: 90:[57, 7] Operation: 39-32=7 Exploring Operation: 32+57=89, Resulting Numbers: [39, 89] Generated Node #0,3,4: 90:[39, 89] Operation: 32+57=89 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 90:[32, 18], Operations: ['94-37=57', '57-39=18'] Exploring Operation: 32*18=576, Resulting Numbers: [576] 576,90 unequal: No Solution Exploring Operation: 32-18=14, Resulting Numbers: [14] 14,90 unequal: No Solution Exploring Operation: 32+18=50, Resulting Numbers: [50] 50,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 90:[39, 89], Operations: ['94-37=57', '32+57=89'] Exploring Operation: 39+89=128, Resulting Numbers: [128] 128,90 unequal: No Solution Exploring Operation: 39*89=3471, Resulting Numbers: [3471] 3471,90 unequal: No Solution Exploring Operation: 89-39=50, Resulting Numbers: [50] 50,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 90:[32, 96], Operations: ['94-37=57', '39+57=96'] Exploring Operation: 96/32=3, Resulting Numbers: [3] 3,90 unequal: No Solution Exploring Operation: 96-32=64, Resulting Numbers: [64] 64,90 unequal: No Solution Exploring Operation: 32+96=128, Resulting Numbers: [128] 128,90 unequal: No Solution Exploring Operation: 32*96=3072, Resulting Numbers: [3072] 3072,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 90:[39, 25], Operations: ['94-37=57', '57-32=25'] Exploring Operation: 39*25=975, Resulting Numbers: [975] 975,90 unequal: No Solution Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,90 unequal: No Solution Exploring Operation: 39+25=64, Resulting Numbers: [64] 64,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 90:[57, 7], Operations: ['94-37=57', '39-32=7'] Exploring Operation: 57-7=50, Resulting Numbers: [50] 50,90 unequal: No Solution Exploring Operation: 57+7=64, Resulting Numbers: [64] 64,90 unequal: No Solution Exploring Operation: 57*7=399, Resulting Numbers: [399] 399,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 26, 7, 11, 53 ]
75
[ "26+7=33", "53-11=42", "33+42=75" ]
Current State: 75:[26, 7, 11, 53], Operations: [] Exploring Operation: 26+7=33, Resulting Numbers: [11, 53, 33] Generated Node #2: [11, 53, 33] from Operation: 26+7=33 Current State: 75:[11, 53, 33], Operations: ['26+7=33'] Exploring Operation: 53-11=42, Resulting Numbers: [33, 42] Generated Node #3: [33, 42] from Operation: 53-11=42 Current State: 75:[33, 42], Operations: ['26+7=33', '53-11=42'] Exploring Operation: 33+42=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[26, 7, 11, 53], Operations: [] Exploring Operation: 26+53=79, Resulting Numbers: [7, 11, 79] Generated Node #0,0: 75:[7, 11, 79] Operation: 26+53=79 Exploring Operation: 11+53=64, Resulting Numbers: [26, 7, 64] Generated Node #0,1: 75:[26, 7, 64] Operation: 11+53=64 Exploring Operation: 53-26=27, Resulting Numbers: [7, 11, 27] Generated Node #0,2: 75:[7, 11, 27] Operation: 53-26=27 Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[7, 11, 27], Operations: ['53-26=27'] Exploring Operation: 27-11=16, Resulting Numbers: [7, 16] Generated Node #0,2,0: 75:[7, 16] Operation: 27-11=16 Exploring Operation: 7*11=77, Resulting Numbers: [27, 77] Generated Node #0,2,1: 75:[27, 77] Operation: 7*11=77 Exploring Operation: 11-7=4, Resulting Numbers: [27, 4] Generated Node #0,2,2: 75:[27, 4] Operation: 11-7=4 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 75:[7, 16], Operations: ['53-26=27', '27-11=16'] Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,75 unequal: No Solution Exploring Operation: 7*16=112, Resulting Numbers: [112] 112,75 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 75:[27, 4], Operations: ['53-26=27', '11-7=4'] Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,75 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,75 unequal: No Solution Exploring Operation: 27*4=108, Resulting Numbers: [108] 108,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 75:[27, 77], Operations: ['53-26=27', '7*11=77'] Exploring Operation: 27+77=104, Resulting Numbers: [104] 104,75 unequal: No Solution Exploring Operation: 77-27=50, Resulting Numbers: [50] 50,75 unequal: No Solution Exploring Operation: 27*77=2079, Resulting Numbers: [2079] 2079,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[7, 11, 79], Operations: ['26+53=79'] Exploring Operation: 7+11=18, Resulting Numbers: [79, 18] Generated Node #0,0,0: 75:[79, 18] Operation: 7+11=18 Exploring Operation: 11-7=4, Resulting Numbers: [79, 4] Generated Node #0,0,1: 75:[79, 4] Operation: 11-7=4 Exploring Operation: 7*11=77, Resulting Numbers: [79, 77] Generated Node #0,0,2: 75:[79, 77] Operation: 7*11=77 Moving to Node #0,0,1 Current State: 75:[79, 4], Operations: ['26+53=79', '11-7=4'] Exploring Operation: 79*4=316, Resulting Numbers: [316] 316,75 unequal: No Solution Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[26, 7, 11, 53], Operations: [] Exploring Operation: 26+53=79, Resulting Numbers: [7, 11, 79] Generated Node #0,0: 75:[7, 11, 79] Operation: 26+53=79 Moving to Node #0,0 Current State: 75:[7, 11, 79], Operations: ['26+53=79'] Exploring Operation: 11-7=4, Resulting Numbers: [79, 4] Generated Node #0,0,1: 75:[79, 4] Operation: 11-7=4 Moving to Node #0,0,1 Current State: 75:[79, 4], Operations: ['26+53=79', '11-7=4'] Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
mult_heuristic
[ 56, 15, 6, 72 ]
40
[ "72-56=16", "15*16=240", "240/6=40" ]
Current State: 40:[56, 15, 6, 72], Operations: [] Exploring Operation: 72-56=16, Resulting Numbers: [15, 6, 16] Generated Node #2: [15, 6, 16] from Operation: 72-56=16 Current State: 40:[15, 6, 16], Operations: ['72-56=16'] Exploring Operation: 15*16=240, Resulting Numbers: [6, 240] Generated Node #3: [6, 240] from Operation: 15*16=240 Current State: 40:[6, 240], Operations: ['72-56=16', '15*16=240'] Exploring Operation: 240/6=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[56, 15, 6, 72], Operations: [] Exploring Operation: 72-56=16, Resulting Numbers: [15, 6, 16] Generated Node #0,0: 40:[15, 6, 16] Operation: 72-56=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[15, 6, 16], Operations: ['72-56=16'] Exploring Operation: 16-15=1, Resulting Numbers: [6, 1] Generated Node #0,0,0: 40:[6, 1] Operation: 16-15=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 40:[6, 1], Operations: ['72-56=16', '16-15=1'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 94, 47, 37, 13 ]
36
[ "47-37=10", "13*10=130", "130-94=36" ]
Current State: 36:[94, 47, 37, 13], Operations: [] Exploring Operation: 47-37=10, Resulting Numbers: [94, 13, 10] Generated Node #2: [94, 13, 10] from Operation: 47-37=10 Current State: 36:[94, 13, 10], Operations: ['47-37=10'] Exploring Operation: 13*10=130, Resulting Numbers: [94, 130] Generated Node #3: [94, 130] from Operation: 13*10=130 Current State: 36:[94, 130], Operations: ['47-37=10', '13*10=130'] Exploring Operation: 130-94=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[94, 47, 37, 13], Operations: [] Exploring Operation: 94/47=2, Resulting Numbers: [37, 13, 2] Generated Node #0,0: 36:[37, 13, 2] Operation: 94/47=2 Exploring Operation: 94-37=57, Resulting Numbers: [47, 13, 57] Generated Node #0,1: 36:[47, 13, 57] Operation: 94-37=57 Exploring Operation: 94-47=47, Resulting Numbers: [37, 13, 47] Generated Node #0,2: 36:[37, 13, 47] Operation: 94-47=47 Exploring Operation: 94-13=81, Resulting Numbers: [47, 37, 81] Generated Node #0,3: 36:[47, 37, 81] Operation: 94-13=81 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[37, 13, 2], Operations: ['94/47=2'] Exploring Operation: 37-2=35, Resulting Numbers: [13, 35] Generated Node #0,0,0: 36:[13, 35] Operation: 37-2=35 Exploring Operation: 13+2=15, Resulting Numbers: [37, 15] Generated Node #0,0,1: 36:[37, 15] Operation: 13+2=15 Exploring Operation: 13-2=11, Resulting Numbers: [37, 11] Generated Node #0,0,2: 36:[37, 11] Operation: 13-2=11 Exploring Operation: 37+2=39, Resulting Numbers: [13, 39] Generated Node #0,0,3: 36:[13, 39] Operation: 37+2=39 Moving to Node #0,0,0 Current State: 36:[13, 35], Operations: ['94/47=2', '37-2=35'] Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,36 unequal: No Solution Exploring Operation: 13+35=48, Resulting Numbers: [48] 48,36 unequal: No Solution Exploring Operation: 13*35=455, Resulting Numbers: [455] 455,36 unequal: No Solution Moving to Node #0,0,2 Current State: 36:[37, 11], Operations: ['94/47=2', '13-2=11'] Exploring Operation: 37+11=48, Resulting Numbers: [48] 48,36 unequal: No Solution Exploring Operation: 37*11=407, Resulting Numbers: [407] 407,36 unequal: No Solution Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,36 unequal: No Solution Moving to Node #0,0,3 Current State: 36:[13, 39], Operations: ['94/47=2', '37+2=39'] Exploring Operation: 13+39=52, Resulting Numbers: [52] 52,36 unequal: No Solution Exploring Operation: 39/13=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 13*39=507, Resulting Numbers: [507] 507,36 unequal: No Solution Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,36 unequal: No Solution Moving to Node #0,0,1 Current State: 36:[37, 15], Operations: ['94/47=2', '13+2=15'] Exploring Operation: 37-15=22, Resulting Numbers: [22] 22,36 unequal: No Solution Exploring Operation: 37*15=555, Resulting Numbers: [555] 555,36 unequal: No Solution Exploring Operation: 37+15=52, Resulting Numbers: [52] 52,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[37, 13, 47], Operations: ['94-47=47'] Exploring Operation: 37+13=50, Resulting Numbers: [47, 50] Generated Node #0,2,0: 36:[47, 50] Operation: 37+13=50 Exploring Operation: 47-37=10, Resulting Numbers: [13, 10] Generated Node #0,2,1: 36:[13, 10] Operation: 47-37=10 Exploring Operation: 47-13=34, Resulting Numbers: [37, 34] Generated Node #0,2,2: 36:[37, 34] Operation: 47-13=34 Exploring Operation: 37-13=24, Resulting Numbers: [47, 24] Generated Node #0,2,3: 36:[47, 24] Operation: 37-13=24 Moving to Node #0,2,1 Current State: 36:[13, 10], Operations: ['94-47=47', '47-37=10'] Exploring Operation: 13+10=23, Resulting Numbers: [23] 23,36 unequal: No Solution Exploring Operation: 13*10=130, Resulting Numbers: [130] 130,36 unequal: No Solution Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,36 unequal: No Solution Moving to Node #0,2,2 Current State: 36:[37, 34], Operations: ['94-47=47', '47-13=34'] Exploring Operation: 37+34=71, Resulting Numbers: [71] 71,36 unequal: No Solution Exploring Operation: 37*34=1258, Resulting Numbers: [1258] 1258,36 unequal: No Solution Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,36 unequal: No Solution Moving to Node #0,2,3 Current State: 36:[47, 24], Operations: ['94-47=47', '37-13=24'] Exploring Operation: 47-24=23, Resulting Numbers: [23] 23,36 unequal: No Solution Exploring Operation: 47+24=71, Resulting Numbers: [71] 71,36 unequal: No Solution Exploring Operation: 47*24=1128, Resulting Numbers: [1128] 1128,36 unequal: No Solution Moving to Node #0,2,0 Current State: 36:[47, 50], Operations: ['94-47=47', '37+13=50'] Exploring Operation: 50-47=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 47*50=2350, Resulting Numbers: [2350] 2350,36 unequal: No Solution Exploring Operation: 47+50=97, Resulting Numbers: [97] 97,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[47, 13, 57], Operations: ['94-37=57'] Exploring Operation: 47-13=34, Resulting Numbers: [57, 34] Generated Node #0,1,0: 36:[57, 34] Operation: 47-13=34 Exploring Operation: 57-47=10, Resulting Numbers: [13, 10] Generated Node #0,1,1: 36:[13, 10] Operation: 57-47=10 Exploring Operation: 47+13=60, Resulting Numbers: [57, 60] Generated Node #0,1,2: 36:[57, 60] Operation: 47+13=60 Exploring Operation: 57-13=44, Resulting Numbers: [47, 44] Generated Node #0,1,3: 36:[47, 44] Operation: 57-13=44 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 36:[13, 10], Operations: ['94-37=57', '57-47=10'] Exploring Operation: 13+10=23, Resulting Numbers: [23] 23,36 unequal: No Solution Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 13*10=130, Resulting Numbers: [130] 130,36 unequal: No Solution No 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: 36:[47, 44], Operations: ['94-37=57', '57-13=44'] Exploring Operation: 47+44=91, Resulting Numbers: [91] 91,36 unequal: No Solution Exploring Operation: 47-44=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 47*44=2068, Resulting Numbers: [2068] 2068,36 unequal: No Solution No 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: 36:[57, 34], Operations: ['94-37=57', '47-13=34'] Exploring Operation: 57-34=23, Resulting Numbers: [23] 23,36 unequal: No Solution Exploring Operation: 57*34=1938, Resulting Numbers: [1938] 1938,36 unequal: No Solution Exploring Operation: 57+34=91, Resulting Numbers: [91] 91,36 unequal: No Solution No 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: 36:[57, 60], Operations: ['94-37=57', '47+13=60'] Exploring Operation: 60-57=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 57*60=3420, Resulting Numbers: [3420] 3420,36 unequal: No Solution Exploring Operation: 57+60=117, Resulting Numbers: [117] 117,36 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: 36:[47, 37, 81], Operations: ['94-13=81'] Exploring Operation: 81-47=34, Resulting Numbers: [37, 34] Generated Node #0,3,0: 36:[37, 34] Operation: 81-47=34 Exploring Operation: 47+37=84, Resulting Numbers: [81, 84] Generated Node #0,3,1: 36:[81, 84] Operation: 47+37=84 Exploring Operation: 47-37=10, Resulting Numbers: [81, 10] Generated Node #0,3,2: 36:[81, 10] Operation: 47-37=10 Exploring Operation: 81-37=44, Resulting Numbers: [47, 44] Generated Node #0,3,3: 36:[47, 44] Operation: 81-37=44 Moving to Node #0,3,0 Current State: 36:[37, 34], Operations: ['94-13=81', '81-47=34'] Exploring Operation: 37*34=1258, Resulting Numbers: [1258] 1258,36 unequal: No Solution Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 37+34=71, Resulting Numbers: [71] 71,36 unequal: No Solution Moving to Node #0,3,3 Current State: 36:[47, 44], Operations: ['94-13=81', '81-37=44'] Exploring Operation: 47*44=2068, Resulting Numbers: [2068] 2068,36 unequal: No Solution Exploring Operation: 47-44=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 47+44=91, Resulting Numbers: [91] 91,36 unequal: No Solution Moving to Node #0,3,2 Current State: 36:[81, 10], Operations: ['94-13=81', '47-37=10'] Exploring Operation: 81-10=71, Resulting Numbers: [71] 71,36 unequal: No Solution Exploring Operation: 81+10=91, Resulting Numbers: [91] 91,36 unequal: No Solution Exploring Operation: 81*10=810, Resulting Numbers: [810] 810,36 unequal: No Solution Moving to Node #0,3,1 Current State: 36:[81, 84], Operations: ['94-13=81', '47+37=84'] Exploring Operation: 81*84=6804, Resulting Numbers: [6804] 6804,36 unequal: No Solution Exploring Operation: 81+84=165, Resulting Numbers: [165] 165,36 unequal: No Solution Exploring Operation: 84-81=3, Resulting Numbers: [3] 3,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 5, 94, 74, 46 ]
31
[ "94-5=89", "74+46=120", "120-89=31" ]
Current State: 31:[5, 94, 74, 46], Operations: [] Exploring Operation: 94-5=89, Resulting Numbers: [74, 46, 89] Generated Node #2: [74, 46, 89] from Operation: 94-5=89 Current State: 31:[74, 46, 89], Operations: ['94-5=89'] Exploring Operation: 74+46=120, Resulting Numbers: [89, 120] Generated Node #3: [89, 120] from Operation: 74+46=120 Current State: 31:[89, 120], Operations: ['94-5=89', '74+46=120'] Exploring Operation: 120-89=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[5, 94, 74, 46], Operations: [] Exploring Operation: 94-74=20, Resulting Numbers: [5, 46, 20] Generated Node #0,0: 31:[5, 46, 20] Operation: 94-74=20 Exploring Operation: 94-46=48, Resulting Numbers: [5, 74, 48] Generated Node #0,1: 31:[5, 74, 48] Operation: 94-46=48 Moving to Node #0,0 Current State: 31:[5, 46, 20], Operations: ['94-74=20'] Exploring Operation: 5+20=25, Resulting Numbers: [46, 25] Generated Node #0,0,0: 31:[46, 25] Operation: 5+20=25 Exploring Operation: 46-5=41, Resulting Numbers: [20, 41] Generated Node #0,0,1: 31:[20, 41] Operation: 46-5=41 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[46, 25], Operations: ['94-74=20', '5+20=25'] Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,31 unequal: No Solution Exploring Operation: 46+25=71, Resulting Numbers: [71] 71,31 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 #0,0,1 Current State: 31:[20, 41], Operations: ['94-74=20', '46-5=41'] Exploring Operation: 41-20=21, Resulting Numbers: [21] 21,31 unequal: No Solution Exploring Operation: 20+41=61, Resulting Numbers: [61] 61,31 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:[5, 74, 48], Operations: ['94-46=48'] Exploring Operation: 74-5=69, Resulting Numbers: [48, 69] Generated Node #0,1,0: 31:[48, 69] Operation: 74-5=69 Exploring Operation: 74-48=26, Resulting Numbers: [5, 26] Generated Node #0,1,1: 31:[5, 26] Operation: 74-48=26 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 31:[5, 26], Operations: ['94-46=48', '74-48=26'] Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[5, 94, 74, 46], Operations: [] Exploring Operation: 94-46=48, Resulting Numbers: [5, 74, 48] Generated Node #0,1: 31:[5, 74, 48] Operation: 94-46=48 Moving to Node #0,1 Current State: 31:[5, 74, 48], Operations: ['94-46=48'] Exploring Operation: 74-48=26, Resulting Numbers: [5, 26] Generated Node #0,1,1: 31:[5, 26] Operation: 74-48=26 Moving to Node #0,1,1 Current State: 31:[5, 26], Operations: ['94-46=48', '74-48=26'] Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 64, 4, 80, 32 ]
72
[ "64*4=256", "256/32=8", "80-8=72" ]
Current State: 72:[64, 4, 80, 32], Operations: [] Exploring Operation: 64*4=256, Resulting Numbers: [80, 32, 256] Generated Node #2: [80, 32, 256] from Operation: 64*4=256 Current State: 72:[80, 32, 256], Operations: ['64*4=256'] Exploring Operation: 256/32=8, Resulting Numbers: [80, 8] Generated Node #3: [80, 8] from Operation: 256/32=8 Current State: 72:[80, 8], Operations: ['64*4=256', '256/32=8'] Exploring Operation: 80-8=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[64, 4, 80, 32], Operations: [] Exploring Operation: 64/4=16, Resulting Numbers: [80, 32, 16] Generated Node #0,0: 72:[80, 32, 16] Operation: 64/4=16 Exploring Operation: 64-32=32, Resulting Numbers: [4, 80, 32] Generated Node #0,1: 72:[4, 80, 32] Operation: 64-32=32 Exploring Operation: 64/32=2, Resulting Numbers: [4, 80, 2] Generated Node #0,2: 72:[4, 80, 2] Operation: 64/32=2 Exploring Operation: 80-64=16, Resulting Numbers: [4, 32, 16] Generated Node #0,3: 72:[4, 32, 16] Operation: 80-64=16 Moving to Node #0,3 Current State: 72:[4, 32, 16], Operations: ['80-64=16'] Exploring Operation: 32/16=2, Resulting Numbers: [4, 2] Generated Node #0,3,0: 72:[4, 2] Operation: 32/16=2 Exploring Operation: 32-16=16, Resulting Numbers: [4, 16] Generated Node #0,3,1: 72:[4, 16] Operation: 32-16=16 Exploring Operation: 4+32=36, Resulting Numbers: [16, 36] Generated Node #0,3,2: 72:[16, 36] Operation: 4+32=36 Exploring Operation: 32/4=8, Resulting Numbers: [16, 8] Generated Node #0,3,3: 72:[16, 8] Operation: 32/4=8 Moving to Node #0,2 Current State: 72:[4, 80, 2], Operations: ['64/32=2'] Exploring Operation: 80/2=40, Resulting Numbers: [4, 40] Generated Node #0,2,0: 72:[4, 40] Operation: 80/2=40 Exploring Operation: 80-2=78, Resulting Numbers: [4, 78] Generated Node #0,2,1: 72:[4, 78] Operation: 80-2=78 Exploring Operation: 80-4=76, Resulting Numbers: [2, 76] Generated Node #0,2,2: 72:[2, 76] Operation: 80-4=76 Exploring Operation: 80/4=20, Resulting Numbers: [2, 20] Generated Node #0,2,3: 72:[2, 20] Operation: 80/4=20 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 72:[2, 20], Operations: ['64/32=2', '80/4=20'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,72 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,72 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 72:[4, 40], Operations: ['64/32=2', '80/2=40'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,72 unequal: No Solution Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,72 unequal: No Solution Exploring Operation: 4*40=160, Resulting Numbers: [160] 160,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 72:[2, 76], Operations: ['64/32=2', '80-4=76'] Exploring Operation: 2*76=152, Resulting Numbers: [152] 152,72 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,72 unequal: No Solution Exploring Operation: 2+76=78, Resulting Numbers: [78] 78,72 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 72:[4, 78], Operations: ['64/32=2', '80-2=78'] Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,72 unequal: No Solution Exploring Operation: 4+78=82, Resulting Numbers: [82] 82,72 unequal: No Solution Exploring Operation: 4*78=312, Resulting Numbers: [312] 312,72 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: 72:[4, 80, 32], Operations: ['64-32=32'] Exploring Operation: 32/4=8, Resulting Numbers: [80, 8] Generated Node #0,1,0: 72:[80, 8] Operation: 32/4=8 Exploring Operation: 4+32=36, Resulting Numbers: [80, 36] Generated Node #0,1,1: 72:[80, 36] Operation: 4+32=36 Exploring Operation: 80-4=76, Resulting Numbers: [32, 76] Generated Node #0,1,2: 72:[32, 76] Operation: 80-4=76 Exploring Operation: 80/4=20, Resulting Numbers: [32, 20] Generated Node #0,1,3: 72:[32, 20] Operation: 80/4=20 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 72:[32, 20], Operations: ['64-32=32', '80/4=20'] Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,72 unequal: No Solution Exploring Operation: 32*20=640, Resulting Numbers: [640] 640,72 unequal: No Solution Exploring Operation: 32+20=52, Resulting Numbers: [52] 52,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 72:[80, 8], Operations: ['64-32=32', '32/4=8'] Exploring Operation: 80*8=640, Resulting Numbers: [640] 640,72 unequal: No Solution Exploring Operation: 80/8=10, Resulting Numbers: [10] 10,72 unequal: No Solution Exploring Operation: 80+8=88, Resulting Numbers: [88] 88,72 unequal: No Solution Exploring Operation: 80-8=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[64, 4, 80, 32], Operations: [] Exploring Operation: 64-32=32, Resulting Numbers: [4, 80, 32] Generated Node #0,1: 72:[4, 80, 32] Operation: 64-32=32 Moving to Node #0,1 Current State: 72:[4, 80, 32], Operations: ['64-32=32'] Exploring Operation: 32/4=8, Resulting Numbers: [80, 8] Generated Node #0,1,0: 72:[80, 8] Operation: 32/4=8 Moving to Node #0,1,0 Current State: 72:[80, 8], Operations: ['64-32=32', '32/4=8'] Exploring Operation: 80-8=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.963542
hs_4
sum_heuristic
[ 97, 76, 27, 4 ]
51
[ "97-27=70", "76/4=19", "70-19=51" ]
Current State: 51:[97, 76, 27, 4], Operations: [] Exploring Operation: 97-27=70, Resulting Numbers: [76, 4, 70] Generated Node #2: [76, 4, 70] from Operation: 97-27=70 Current State: 51:[76, 4, 70], Operations: ['97-27=70'] Exploring Operation: 76/4=19, Resulting Numbers: [70, 19] Generated Node #3: [70, 19] from Operation: 76/4=19 Current State: 51:[70, 19], Operations: ['97-27=70', '76/4=19'] Exploring Operation: 70-19=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[97, 76, 27, 4], Operations: [] Exploring Operation: 76/4=19, Resulting Numbers: [97, 27, 19] Generated Node #0,0: 51:[97, 27, 19] Operation: 76/4=19 Exploring Operation: 97-76=21, Resulting Numbers: [27, 4, 21] Generated Node #0,1: 51:[27, 4, 21] Operation: 97-76=21 Exploring Operation: 97-27=70, Resulting Numbers: [76, 4, 70] Generated Node #0,2: 51:[76, 4, 70] Operation: 97-27=70 Exploring Operation: 97-4=93, Resulting Numbers: [76, 27, 93] Generated Node #0,3: 51:[76, 27, 93] Operation: 97-4=93 Exploring Operation: 76-27=49, Resulting Numbers: [97, 4, 49] Generated Node #0,4: 51:[97, 4, 49] Operation: 76-27=49 Moving to Node #0,1 Current State: 51:[27, 4, 21], Operations: ['97-76=21'] Exploring Operation: 27-21=6, Resulting Numbers: [4, 6] Generated Node #0,1,0: 51:[4, 6] Operation: 27-21=6 Exploring Operation: 21-4=17, Resulting Numbers: [27, 17] Generated Node #0,1,1: 51:[27, 17] Operation: 21-4=17 Exploring Operation: 27+4=31, Resulting Numbers: [21, 31] Generated Node #0,1,2: 51:[21, 31] Operation: 27+4=31 Exploring Operation: 27-4=23, Resulting Numbers: [21, 23] Generated Node #0,1,3: 51:[21, 23] Operation: 27-4=23 Exploring Operation: 27+21=48, Resulting Numbers: [4, 48] Generated Node #0,1,4: 51:[4, 48] Operation: 27+21=48 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 51:[4, 6], Operations: ['97-76=21', '27-21=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,51 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 51:[4, 48], Operations: ['97-76=21', '27+21=48'] Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,51 unequal: No Solution Exploring Operation: 4*48=192, Resulting Numbers: [192] 192,51 unequal: No Solution Exploring Operation: 4+48=52, Resulting Numbers: [52] 52,51 unequal: No Solution Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 51:[27, 17], Operations: ['97-76=21', '21-4=17'] Exploring Operation: 27*17=459, Resulting Numbers: [459] 459,51 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,51 unequal: No Solution Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 51:[21, 23], Operations: ['97-76=21', '27-4=23'] Exploring Operation: 21+23=44, Resulting Numbers: [44] 44,51 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 21*23=483, Resulting Numbers: [483] 483,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 51:[21, 31], Operations: ['97-76=21', '27+4=31'] Exploring Operation: 31-21=10, Resulting Numbers: [10] 10,51 unequal: No Solution Exploring Operation: 21+31=52, Resulting Numbers: [52] 52,51 unequal: No Solution Exploring Operation: 21*31=651, Resulting Numbers: [651] 651,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 51:[76, 4, 70], Operations: ['97-27=70'] Exploring Operation: 76-70=6, Resulting Numbers: [4, 6] Generated Node #0,2,0: 51:[4, 6] Operation: 76-70=6 Exploring Operation: 76+4=80, Resulting Numbers: [70, 80] Generated Node #0,2,1: 51:[70, 80] Operation: 76+4=80 Exploring Operation: 70-4=66, Resulting Numbers: [76, 66] Generated Node #0,2,2: 51:[76, 66] Operation: 70-4=66 Exploring Operation: 76-4=72, Resulting Numbers: [70, 72] Generated Node #0,2,3: 51:[70, 72] Operation: 76-4=72 Exploring Operation: 76/4=19, Resulting Numbers: [70, 19] Generated Node #0,2,4: 51:[70, 19] Operation: 76/4=19 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 51:[4, 6], Operations: ['97-27=70', '76-70=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,51 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,51 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 51:[70, 19], Operations: ['97-27=70', '76/4=19'] Exploring Operation: 70+19=89, Resulting Numbers: [89] 89,51 unequal: No Solution Exploring Operation: 70*19=1330, Resulting Numbers: [1330] 1330,51 unequal: No Solution Exploring Operation: 70-19=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[97, 76, 27, 4], Operations: [] Exploring Operation: 97-27=70, Resulting Numbers: [76, 4, 70] Generated Node #0,2: 51:[76, 4, 70] Operation: 97-27=70 Moving to Node #0,2 Current State: 51:[76, 4, 70], Operations: ['97-27=70'] Exploring Operation: 76/4=19, Resulting Numbers: [70, 19] Generated Node #0,2,4: 51:[70, 19] Operation: 76/4=19 Moving to Node #0,2,4 Current State: 51:[70, 19], Operations: ['97-27=70', '76/4=19'] Exploring Operation: 70-19=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_5
mult_heuristic
[ 43, 84, 8, 31 ]
56
[ "43-31=12", "84*8=672", "672/12=56" ]
Current State: 56:[43, 84, 8, 31], Operations: [] Exploring Operation: 43-31=12, Resulting Numbers: [84, 8, 12] Generated Node #2: [84, 8, 12] from Operation: 43-31=12 Current State: 56:[84, 8, 12], Operations: ['43-31=12'] Exploring Operation: 84*8=672, Resulting Numbers: [12, 672] Generated Node #3: [12, 672] from Operation: 84*8=672 Current State: 56:[12, 672], Operations: ['43-31=12', '84*8=672'] Exploring Operation: 672/12=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[43, 84, 8, 31], Operations: [] Exploring Operation: 84-31=53, Resulting Numbers: [43, 8, 53] Generated Node #0,0: 56:[43, 8, 53] Operation: 84-31=53 Exploring Operation: 84-43=41, Resulting Numbers: [8, 31, 41] Generated Node #0,1: 56:[8, 31, 41] Operation: 84-43=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[43, 8, 53], Operations: ['84-31=53'] Exploring Operation: 43+8=51, Resulting Numbers: [53, 51] Generated Node #0,0,0: 56:[53, 51] Operation: 43+8=51 Exploring Operation: 53-43=10, Resulting Numbers: [8, 10] Generated Node #0,0,1: 56:[8, 10] Operation: 53-43=10 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 56:[8, 10], Operations: ['84-31=53', '53-43=10'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,56 unequal: No Solution No 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: 56:[53, 51], Operations: ['84-31=53', '43+8=51'] Exploring Operation: 53+51=104, Resulting Numbers: [104] 104,56 unequal: No Solution Exploring Operation: 53-51=2, Resulting Numbers: [2] 2,56 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: 56:[8, 31, 41], Operations: ['84-43=41'] Exploring Operation: 41-8=33, Resulting Numbers: [31, 33] Generated Node #0,1,0: 56:[31, 33] Operation: 41-8=33 Exploring Operation: 41-31=10, Resulting Numbers: [8, 10] Generated Node #0,1,1: 56:[8, 10] Operation: 41-31=10 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 56:[8, 10], Operations: ['84-43=41', '41-31=10'] Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,56 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,56 unequal: No Solution No 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: 56:[31, 33], Operations: ['84-43=41', '41-8=33'] Exploring Operation: 31+33=64, Resulting Numbers: [64] 64,56 unequal: No Solution Exploring Operation: 33-31=2, Resulting Numbers: [2] 2,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 34, 93, 36, 24 ]
71
[ "93-34=59", "36-24=12", "59+12=71" ]
Current State: 71:[34, 93, 36, 24], Operations: [] Exploring Operation: 93-34=59, Resulting Numbers: [36, 24, 59] Generated Node #2: [36, 24, 59] from Operation: 93-34=59 Current State: 71:[36, 24, 59], Operations: ['93-34=59'] Exploring Operation: 36-24=12, Resulting Numbers: [59, 12] Generated Node #3: [59, 12] from Operation: 36-24=12 Current State: 71:[59, 12], Operations: ['93-34=59', '36-24=12'] Exploring Operation: 59+12=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[34, 93, 36, 24], Operations: [] Exploring Operation: 34+36=70, Resulting Numbers: [93, 24, 70] Generated Node #0,0: 71:[93, 24, 70] Operation: 34+36=70 Exploring Operation: 34+24=58, Resulting Numbers: [93, 36, 58] Generated Node #0,1: 71:[93, 36, 58] Operation: 34+24=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[93, 24, 70], Operations: ['34+36=70'] Exploring Operation: 93-24=69, Resulting Numbers: [70, 69] Generated Node #0,0,0: 71:[70, 69] Operation: 93-24=69 Exploring Operation: 24+70=94, Resulting Numbers: [93, 94] Generated Node #0,0,1: 71:[93, 94] Operation: 24+70=94 Moving to Node #0,0,0 Current State: 71:[70, 69], Operations: ['34+36=70', '93-24=69'] Exploring Operation: 70+69=139, Resulting Numbers: [139] 139,71 unequal: No Solution Exploring Operation: 70-69=1, Resulting Numbers: [1] 1,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[93, 94], Operations: ['34+36=70', '24+70=94'] Exploring Operation: 94-93=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 93+94=187, Resulting Numbers: [187] 187,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[93, 36, 58], Operations: ['34+24=58'] Exploring Operation: 36+58=94, Resulting Numbers: [93, 94] Generated Node #0,1,0: 71:[93, 94] Operation: 36+58=94 Exploring Operation: 93-36=57, Resulting Numbers: [58, 57] Generated Node #0,1,1: 71:[58, 57] Operation: 93-36=57 Moving to Node #0,1,1 Current State: 71:[58, 57], Operations: ['34+24=58', '93-36=57'] Exploring Operation: 58-57=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 58+57=115, Resulting Numbers: [115] 115,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[93, 94], Operations: ['34+24=58', '36+58=94'] Exploring Operation: 94-93=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 93+94=187, Resulting Numbers: [187] 187,71 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
[ 46, 17, 86, 59 ]
90
[ "46+17=63", "86-59=27", "63+27=90" ]
Current State: 90:[46, 17, 86, 59], Operations: [] Exploring Operation: 46+17=63, Resulting Numbers: [86, 59, 63] Generated Node #2: [86, 59, 63] from Operation: 46+17=63 Current State: 90:[86, 59, 63], Operations: ['46+17=63'] Exploring Operation: 86-59=27, Resulting Numbers: [63, 27] Generated Node #3: [63, 27] from Operation: 86-59=27 Current State: 90:[63, 27], Operations: ['46+17=63', '86-59=27'] Exploring Operation: 63+27=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[46, 17, 86, 59], Operations: [] Exploring Operation: 59-46=13, Resulting Numbers: [17, 86, 13] Generated Node #0,0: 90:[17, 86, 13] Operation: 59-46=13 Exploring Operation: 59-17=42, Resulting Numbers: [46, 86, 42] Generated Node #0,1: 90:[46, 86, 42] Operation: 59-17=42 Exploring Operation: 86-59=27, Resulting Numbers: [46, 17, 27] Generated Node #0,2: 90:[46, 17, 27] Operation: 86-59=27 Exploring Operation: 46-17=29, Resulting Numbers: [86, 59, 29] Generated Node #0,3: 90:[86, 59, 29] Operation: 46-17=29 Moving to Node #0,2 Current State: 90:[46, 17, 27], Operations: ['86-59=27'] Exploring Operation: 46-17=29, Resulting Numbers: [27, 29] Generated Node #0,2,0: 90:[27, 29] Operation: 46-17=29 Exploring Operation: 17+27=44, Resulting Numbers: [46, 44] Generated Node #0,2,1: 90:[46, 44] Operation: 17+27=44 Exploring Operation: 46-27=19, Resulting Numbers: [17, 19] Generated Node #0,2,2: 90:[17, 19] Operation: 46-27=19 Exploring Operation: 27-17=10, Resulting Numbers: [46, 10] Generated Node #0,2,3: 90:[46, 10] Operation: 27-17=10 Moving to Node #0,0 Current State: 90:[17, 86, 13], Operations: ['59-46=13'] Exploring Operation: 17+86=103, Resulting Numbers: [13, 103] Generated Node #0,0,0: 90:[13, 103] Operation: 17+86=103 Exploring Operation: 17+13=30, Resulting Numbers: [86, 30] Generated Node #0,0,1: 90:[86, 30] Operation: 17+13=30 Exploring Operation: 86+13=99, Resulting Numbers: [17, 99] Generated Node #0,0,2: 90:[17, 99] Operation: 86+13=99 Exploring Operation: 17-13=4, Resulting Numbers: [86, 4] Generated Node #0,0,3: 90:[86, 4] Operation: 17-13=4 Moving to Node #0,1 Current State: 90:[46, 86, 42], Operations: ['59-17=42'] Exploring Operation: 86-46=40, Resulting Numbers: [42, 40] Generated Node #0,1,0: 90:[42, 40] Operation: 86-46=40 Exploring Operation: 86-42=44, Resulting Numbers: [46, 44] Generated Node #0,1,1: 90:[46, 44] Operation: 86-42=44 Exploring Operation: 46+42=88, Resulting Numbers: [86, 88] Generated Node #0,1,2: 90:[86, 88] Operation: 46+42=88 Exploring Operation: 46-42=4, Resulting Numbers: [86, 4] Generated Node #0,1,3: 90:[86, 4] Operation: 46-42=4 Moving to Node #0,3 Current State: 90:[86, 59, 29], Operations: ['46-17=29'] Exploring Operation: 86-29=57, Resulting Numbers: [59, 57] Generated Node #0,3,0: 90:[59, 57] Operation: 86-29=57 Exploring Operation: 86-59=27, Resulting Numbers: [29, 27] Generated Node #0,3,1: 90:[29, 27] Operation: 86-59=27 Exploring Operation: 59+29=88, Resulting Numbers: [86, 88] Generated Node #0,3,2: 90:[86, 88] Operation: 59+29=88 Exploring Operation: 59-29=30, Resulting Numbers: [86, 30] Generated Node #0,3,3: 90:[86, 30] Operation: 59-29=30 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 90:[29, 27], Operations: ['46-17=29', '86-59=27'] Exploring Operation: 29+27=56, Resulting Numbers: [56] 56,90 unequal: No Solution Exploring Operation: 29*27=783, Resulting Numbers: [783] 783,90 unequal: No Solution Exploring Operation: 29-27=2, Resulting Numbers: [2] 2,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 90:[86, 30], Operations: ['46-17=29', '59-29=30'] Exploring Operation: 86+30=116, Resulting Numbers: [116] 116,90 unequal: No Solution Exploring Operation: 86*30=2580, Resulting Numbers: [2580] 2580,90 unequal: No Solution Exploring Operation: 86-30=56, Resulting Numbers: [56] 56,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 90:[86, 88], Operations: ['46-17=29', '59+29=88'] Exploring Operation: 86+88=174, Resulting Numbers: [174] 174,90 unequal: No Solution Exploring Operation: 86*88=7568, Resulting Numbers: [7568] 7568,90 unequal: No Solution Exploring Operation: 88-86=2, Resulting Numbers: [2] 2,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 90:[59, 57], Operations: ['46-17=29', '86-29=57'] Exploring Operation: 59+57=116, Resulting Numbers: [116] 116,90 unequal: No Solution Exploring Operation: 59-57=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 59*57=3363, Resulting Numbers: [3363] 3363,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 90:[46, 10], Operations: ['86-59=27', '27-17=10'] Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,90 unequal: No Solution Exploring Operation: 46+10=56, Resulting Numbers: [56] 56,90 unequal: No Solution Exploring Operation: 46*10=460, Resulting Numbers: [460] 460,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[17, 19], Operations: ['86-59=27', '46-27=19'] Exploring Operation: 17*19=323, Resulting Numbers: [323] 323,90 unequal: No Solution Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[46, 44], Operations: ['86-59=27', '17+27=44'] Exploring Operation: 46*44=2024, Resulting Numbers: [2024] 2024,90 unequal: No Solution Exploring Operation: 46-44=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 46+44=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[46, 17, 86, 59], Operations: [] Exploring Operation: 86-59=27, Resulting Numbers: [46, 17, 27] Generated Node #0,2: 90:[46, 17, 27] Operation: 86-59=27 Moving to Node #0,2 Current State: 90:[46, 17, 27], Operations: ['86-59=27'] Exploring Operation: 17+27=44, Resulting Numbers: [46, 44] Generated Node #0,2,1: 90:[46, 44] Operation: 17+27=44 Moving to Node #0,2,1 Current State: 90:[46, 44], Operations: ['86-59=27', '17+27=44'] Exploring Operation: 46+44=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
0.960938
hs_4
sum_heuristic
[ 24, 26, 84, 3 ]
30
[ "26-24=2", "84/3=28", "2+28=30" ]
Current State: 30:[24, 26, 84, 3], Operations: [] Exploring Operation: 26-24=2, Resulting Numbers: [84, 3, 2] Generated Node #2: [84, 3, 2] from Operation: 26-24=2 Current State: 30:[84, 3, 2], Operations: ['26-24=2'] Exploring Operation: 84/3=28, Resulting Numbers: [2, 28] Generated Node #3: [2, 28] from Operation: 84/3=28 Current State: 30:[2, 28], Operations: ['26-24=2', '84/3=28'] Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[24, 26, 84, 3], Operations: [] Exploring Operation: 84/3=28, Resulting Numbers: [24, 26, 28] Generated Node #0,0: 30:[24, 26, 28] Operation: 84/3=28 Exploring Operation: 84-26=58, Resulting Numbers: [24, 3, 58] Generated Node #0,1: 30:[24, 3, 58] Operation: 84-26=58 Exploring Operation: 84-24=60, Resulting Numbers: [26, 3, 60] Generated Node #0,2: 30:[26, 3, 60] Operation: 84-24=60 Moving to Node #0,0 Current State: 30:[24, 26, 28], Operations: ['84/3=28'] Exploring Operation: 26-24=2, Resulting Numbers: [28, 2] Generated Node #0,0,0: 30:[28, 2] Operation: 26-24=2 Exploring Operation: 28-24=4, Resulting Numbers: [26, 4] Generated Node #0,0,1: 30:[26, 4] Operation: 28-24=4 Exploring Operation: 28-26=2, Resulting Numbers: [24, 2] Generated Node #0,0,2: 30:[24, 2] Operation: 28-26=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[28, 2], Operations: ['84/3=28', '26-24=2'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,30 unequal: No Solution Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[24, 26, 84, 3], Operations: [] Exploring Operation: 84/3=28, Resulting Numbers: [24, 26, 28] Generated Node #0,0: 30:[24, 26, 28] Operation: 84/3=28 Moving to Node #0,0 Current State: 30:[24, 26, 28], Operations: ['84/3=28'] Exploring Operation: 26-24=2, Resulting Numbers: [28, 2] Generated Node #0,0,0: 30:[28, 2] Operation: 26-24=2 Moving to Node #0,0,0 Current State: 30:[28, 2], Operations: ['84/3=28', '26-24=2'] Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 68, 12, 35, 48 ]
67
[ "68+12=80", "48-35=13", "80-13=67" ]
Current State: 67:[68, 12, 35, 48], Operations: [] Exploring Operation: 68+12=80, Resulting Numbers: [35, 48, 80] Generated Node #2: [35, 48, 80] from Operation: 68+12=80 Current State: 67:[35, 48, 80], Operations: ['68+12=80'] Exploring Operation: 48-35=13, Resulting Numbers: [80, 13] Generated Node #3: [80, 13] from Operation: 48-35=13 Current State: 67:[80, 13], Operations: ['68+12=80', '48-35=13'] Exploring Operation: 80-13=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[68, 12, 35, 48], Operations: [] Exploring Operation: 12+35=47, Resulting Numbers: [68, 48, 47] Generated Node #0,0: 67:[68, 48, 47] Operation: 12+35=47 Exploring Operation: 12+48=60, Resulting Numbers: [68, 35, 60] Generated Node #0,1: 67:[68, 35, 60] Operation: 12+48=60 Exploring Operation: 68-12=56, Resulting Numbers: [35, 48, 56] Generated Node #0,2: 67:[35, 48, 56] Operation: 68-12=56 Exploring Operation: 35-12=23, Resulting Numbers: [68, 48, 23] Generated Node #0,3: 67:[68, 48, 23] Operation: 35-12=23 Exploring Operation: 68+12=80, Resulting Numbers: [35, 48, 80] Generated Node #0,4: 67:[35, 48, 80] Operation: 68+12=80 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[68, 48, 47], Operations: ['12+35=47'] Exploring Operation: 68+47=115, Resulting Numbers: [48, 115] Generated Node #0,0,0: 67:[48, 115] Operation: 68+47=115 Exploring Operation: 48+47=95, Resulting Numbers: [68, 95] Generated Node #0,0,1: 67:[68, 95] Operation: 48+47=95 Exploring Operation: 48-47=1, Resulting Numbers: [68, 1] Generated Node #0,0,2: 67:[68, 1] Operation: 48-47=1 Exploring Operation: 68-47=21, Resulting Numbers: [48, 21] Generated Node #0,0,3: 67:[48, 21] Operation: 68-47=21 Exploring Operation: 68-48=20, Resulting Numbers: [47, 20] Generated Node #0,0,4: 67:[47, 20] Operation: 68-48=20 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 67:[68, 95], Operations: ['12+35=47', '48+47=95'] Exploring Operation: 68+95=163, Resulting Numbers: [163] 163,67 unequal: No Solution Exploring Operation: 68*95=6460, Resulting Numbers: [6460] 6460,67 unequal: No Solution Exploring Operation: 95-68=27, Resulting Numbers: [27] 27,67 unequal: No Solution No 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: 67:[48, 21], Operations: ['12+35=47', '68-47=21'] Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,67 unequal: No Solution Exploring Operation: 48*21=1008, Resulting Numbers: [1008] 1008,67 unequal: No Solution Exploring Operation: 48+21=69, Resulting Numbers: [69] 69,67 unequal: No Solution No 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: 67:[48, 115], Operations: ['12+35=47', '68+47=115'] Exploring Operation: 48*115=5520, Resulting Numbers: [5520] 5520,67 unequal: No Solution Exploring Operation: 48+115=163, Resulting Numbers: [163] 163,67 unequal: No Solution Exploring Operation: 115-48=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[68, 12, 35, 48], Operations: [] Exploring Operation: 12+35=47, Resulting Numbers: [68, 48, 47] Generated Node #0,0: 67:[68, 48, 47] Operation: 12+35=47 Moving to Node #0,0 Current State: 67:[68, 48, 47], Operations: ['12+35=47'] Exploring Operation: 68+47=115, Resulting Numbers: [48, 115] Generated Node #0,0,0: 67:[48, 115] Operation: 68+47=115 Moving to Node #0,0,0 Current State: 67:[48, 115], Operations: ['12+35=47', '68+47=115'] Exploring Operation: 115-48=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 12, 21, 16, 83 ]
88
[ "12*16=192", "21+83=104", "192-104=88" ]
Current State: 88:[12, 21, 16, 83], Operations: [] Exploring Operation: 12*16=192, Resulting Numbers: [21, 83, 192] Generated Node #2: [21, 83, 192] from Operation: 12*16=192 Current State: 88:[21, 83, 192], Operations: ['12*16=192'] Exploring Operation: 21+83=104, Resulting Numbers: [192, 104] Generated Node #3: [192, 104] from Operation: 21+83=104 Current State: 88:[192, 104], Operations: ['12*16=192', '21+83=104'] Exploring Operation: 192-104=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[12, 21, 16, 83], Operations: [] Exploring Operation: 21-12=9, Resulting Numbers: [16, 83, 9] Generated Node #0,0: 88:[16, 83, 9] Operation: 21-12=9 Exploring Operation: 16-12=4, Resulting Numbers: [21, 83, 4] Generated Node #0,1: 88:[21, 83, 4] Operation: 16-12=4 Exploring Operation: 21-16=5, Resulting Numbers: [12, 83, 5] Generated Node #0,2: 88:[12, 83, 5] Operation: 21-16=5 Exploring Operation: 12+16=28, Resulting Numbers: [21, 83, 28] Generated Node #0,3: 88:[21, 83, 28] Operation: 12+16=28 Exploring Operation: 12+83=95, Resulting Numbers: [21, 16, 95] Generated Node #0,4: 88:[21, 16, 95] Operation: 12+83=95 Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[21, 83, 4], Operations: ['16-12=4'] Exploring Operation: 21-4=17, Resulting Numbers: [83, 17] Generated Node #0,1,0: 88:[83, 17] Operation: 21-4=17 Exploring Operation: 83-4=79, Resulting Numbers: [21, 79] Generated Node #0,1,1: 88:[21, 79] Operation: 83-4=79 Exploring Operation: 83+4=87, Resulting Numbers: [21, 87] Generated Node #0,1,2: 88:[21, 87] Operation: 83+4=87 Exploring Operation: 21+4=25, Resulting Numbers: [83, 25] Generated Node #0,1,3: 88:[83, 25] Operation: 21+4=25 Exploring Operation: 21*4=84, Resulting Numbers: [83, 84] Generated Node #0,1,4: 88:[83, 84] Operation: 21*4=84 Moving to Node #0,1,2 Current State: 88:[21, 87], Operations: ['16-12=4', '83+4=87'] Exploring Operation: 87-21=66, Resulting Numbers: [66] 66,88 unequal: No Solution Exploring Operation: 21*87=1827, Resulting Numbers: [1827] 1827,88 unequal: No Solution Exploring Operation: 21+87=108, Resulting Numbers: [108] 108,88 unequal: No Solution Moving to Node #0,1,3 Current State: 88:[83, 25], Operations: ['16-12=4', '21+4=25'] Exploring Operation: 83*25=2075, Resulting Numbers: [2075] 2075,88 unequal: No Solution Exploring Operation: 83-25=58, Resulting Numbers: [58] 58,88 unequal: No Solution Exploring Operation: 83+25=108, Resulting Numbers: [108] 108,88 unequal: No Solution Moving to Node #0,1,4 Current State: 88:[83, 84], Operations: ['16-12=4', '21*4=84'] Exploring Operation: 83*84=6972, Resulting Numbers: [6972] 6972,88 unequal: No Solution Exploring Operation: 84-83=1, Resulting Numbers: [1] 1,88 unequal: No Solution Exploring Operation: 83+84=167, Resulting Numbers: [167] 167,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[83, 17], Operations: ['16-12=4', '21-4=17'] Exploring Operation: 83*17=1411, Resulting Numbers: [1411] 1411,88 unequal: No Solution Exploring Operation: 83-17=66, Resulting Numbers: [66] 66,88 unequal: No Solution Exploring Operation: 83+17=100, Resulting Numbers: [100] 100,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[21, 79], Operations: ['16-12=4', '83-4=79'] Exploring Operation: 21+79=100, Resulting Numbers: [100] 100,88 unequal: No Solution Exploring Operation: 21*79=1659, Resulting Numbers: [1659] 1659,88 unequal: No Solution Exploring Operation: 79-21=58, Resulting Numbers: [58] 58,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 88:[12, 83, 5], Operations: ['21-16=5'] Exploring Operation: 83+5=88, Resulting Numbers: [12, 88] Generated Node #0,2,0: 88:[12, 88] Operation: 83+5=88 Exploring Operation: 83-5=78, Resulting Numbers: [12, 78] Generated Node #0,2,1: 88:[12, 78] Operation: 83-5=78 Exploring Operation: 12+5=17, Resulting Numbers: [83, 17] Generated Node #0,2,2: 88:[83, 17] Operation: 12+5=17 Exploring Operation: 12+83=95, Resulting Numbers: [5, 95] Generated Node #0,2,3: 88:[5, 95] Operation: 12+83=95 Exploring Operation: 12-5=7, Resulting Numbers: [83, 7] Generated Node #0,2,4: 88:[83, 7] Operation: 12-5=7 Moving to Node #0,2,0 Current State: 88:[12, 88], Operations: ['21-16=5', '83+5=88'] Exploring Operation: 88-12=76, Resulting Numbers: [76] 76,88 unequal: No Solution Exploring Operation: 12*88=1056, Resulting Numbers: [1056] 1056,88 unequal: No Solution Exploring Operation: 12+88=100, Resulting Numbers: [100] 100,88 unequal: No Solution Moving to Node #0,2,4 Current State: 88:[83, 7], Operations: ['21-16=5', '12-5=7'] Exploring Operation: 83*7=581, Resulting Numbers: [581] 581,88 unequal: No Solution Exploring Operation: 83+7=90, Resulting Numbers: [90] 90,88 unequal: No Solution Exploring Operation: 83-7=76, Resulting Numbers: [76] 76,88 unequal: No Solution Moving to Node #0,2,3 Current State: 88:[5, 95], Operations: ['21-16=5', '12+83=95'] Exploring Operation: 5+95=100, Resulting Numbers: [100] 100,88 unequal: No Solution Exploring Operation: 95/5=19, Resulting Numbers: [19] 19,88 unequal: No Solution Exploring Operation: 5*95=475, Resulting Numbers: [475] 475,88 unequal: No Solution Exploring Operation: 95-5=90, Resulting Numbers: [90] 90,88 unequal: No Solution Moving to Node #0,2,2 Current State: 88:[83, 17], Operations: ['21-16=5', '12+5=17'] Exploring Operation: 83*17=1411, Resulting Numbers: [1411] 1411,88 unequal: No Solution Exploring Operation: 83+17=100, Resulting Numbers: [100] 100,88 unequal: No Solution Exploring Operation: 83-17=66, Resulting Numbers: [66] 66,88 unequal: No Solution Moving to Node #0,2,1 Current State: 88:[12, 78], Operations: ['21-16=5', '83-5=78'] Exploring Operation: 12+78=90, Resulting Numbers: [90] 90,88 unequal: No Solution Exploring Operation: 78-12=66, Resulting Numbers: [66] 66,88 unequal: No Solution Exploring Operation: 12*78=936, Resulting Numbers: [936] 936,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[16, 83, 9], Operations: ['21-12=9'] Exploring Operation: 16-9=7, Resulting Numbers: [83, 7] Generated Node #0,0,0: 88:[83, 7] Operation: 16-9=7 Exploring Operation: 83+9=92, Resulting Numbers: [16, 92] Generated Node #0,0,1: 88:[16, 92] Operation: 83+9=92 Exploring Operation: 83-9=74, Resulting Numbers: [16, 74] Generated Node #0,0,2: 88:[16, 74] Operation: 83-9=74 Exploring Operation: 16+9=25, Resulting Numbers: [83, 25] Generated Node #0,0,3: 88:[83, 25] Operation: 16+9=25 Exploring Operation: 16+83=99, Resulting Numbers: [9, 99] Generated Node #0,0,4: 88:[9, 99] Operation: 16+83=99 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[83, 7], Operations: ['21-12=9', '16-9=7'] Exploring Operation: 83-7=76, Resulting Numbers: [76] 76,88 unequal: No Solution Exploring Operation: 83*7=581, Resulting Numbers: [581] 581,88 unequal: No Solution Exploring Operation: 83+7=90, Resulting Numbers: [90] 90,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 88:[83, 25], Operations: ['21-12=9', '16+9=25'] Exploring Operation: 83+25=108, Resulting Numbers: [108] 108,88 unequal: No Solution Exploring Operation: 83-25=58, Resulting Numbers: [58] 58,88 unequal: No Solution Exploring Operation: 83*25=2075, Resulting Numbers: [2075] 2075,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 88:[16, 92], Operations: ['21-12=9', '83+9=92'] Exploring Operation: 92-16=76, Resulting Numbers: [76] 76,88 unequal: No Solution Exploring Operation: 16*92=1472, Resulting Numbers: [1472] 1472,88 unequal: No Solution Exploring Operation: 16+92=108, Resulting Numbers: [108] 108,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 88:[9, 99], Operations: ['21-12=9', '16+83=99'] Exploring Operation: 99-9=90, Resulting Numbers: [90] 90,88 unequal: No Solution Exploring Operation: 9*99=891, Resulting Numbers: [891] 891,88 unequal: No Solution Exploring Operation: 99/9=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 9+99=108, Resulting Numbers: [108] 108,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 88:[16, 74], Operations: ['21-12=9', '83-9=74'] Exploring Operation: 16+74=90, Resulting Numbers: [90] 90,88 unequal: No Solution Exploring Operation: 16*74=1184, Resulting Numbers: [1184] 1184,88 unequal: No Solution Exploring Operation: 74-16=58, Resulting Numbers: [58] 58,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 88:[21, 83, 28], Operations: ['12+16=28'] Exploring Operation: 83-28=55, Resulting Numbers: [21, 55] Generated Node #0,3,0: 88:[21, 55] Operation: 83-28=55 Exploring Operation: 83-21=62, Resulting Numbers: [28, 62] Generated Node #0,3,1: 88:[28, 62] Operation: 83-21=62 Exploring Operation: 21+28=49, Resulting Numbers: [83, 49] Generated Node #0,3,2: 88:[83, 49] Operation: 21+28=49 Exploring Operation: 28-21=7, Resulting Numbers: [83, 7] Generated Node #0,3,3: 88:[83, 7] Operation: 28-21=7 Exploring Operation: 21+83=104, Resulting Numbers: [28, 104] Generated Node #0,3,4: 88:[28, 104] Operation: 21+83=104 Moving to Node #0,3,3 Current State: 88:[83, 7], Operations: ['12+16=28', '28-21=7'] Exploring Operation: 83+7=90, Resulting Numbers: [90] 90,88 unequal: No Solution Exploring Operation: 83*7=581, Resulting Numbers: [581] 581,88 unequal: No Solution Exploring Operation: 83-7=76, Resulting Numbers: [76] 76,88 unequal: No Solution Moving to Node #0,3,2 Current State: 88:[83, 49], Operations: ['12+16=28', '21+28=49'] Exploring Operation: 83+49=132, Resulting Numbers: [132] 132,88 unequal: No Solution Exploring Operation: 83-49=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 83*49=4067, Resulting Numbers: [4067] 4067,88 unequal: No Solution Moving to Node #0,3,0 Current State: 88:[21, 55], Operations: ['12+16=28', '83-28=55'] Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 21*55=1155, Resulting Numbers: [1155] 1155,88 unequal: No Solution Exploring Operation: 21+55=76, Resulting Numbers: [76] 76,88 unequal: No Solution Moving to Node #0,3,4 Current State: 88:[28, 104], Operations: ['12+16=28', '21+83=104'] Exploring Operation: 28+104=132, Resulting Numbers: [132] 132,88 unequal: No Solution Exploring Operation: 104-28=76, Resulting Numbers: [76] 76,88 unequal: No Solution Exploring Operation: 28*104=2912, Resulting Numbers: [2912] 2912,88 unequal: No Solution Moving to Node #0,3,1 Current State: 88:[28, 62], Operations: ['12+16=28', '83-21=62'] Exploring Operation: 28*62=1736, Resulting Numbers: [1736] 1736,88 unequal: No Solution Exploring Operation: 28+62=90, Resulting Numbers: [90] 90,88 unequal: No Solution Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 88:[21, 16, 95], Operations: ['12+83=95'] Exploring Operation: 21+16=37, Resulting Numbers: [95, 37] Generated Node #0,4,0: 88:[95, 37] Operation: 21+16=37 Exploring Operation: 16+95=111, Resulting Numbers: [21, 111] Generated Node #0,4,1: 88:[21, 111] Operation: 16+95=111 Exploring Operation: 95-16=79, Resulting Numbers: [21, 79] Generated Node #0,4,2: 88:[21, 79] Operation: 95-16=79 Exploring Operation: 21-16=5, Resulting Numbers: [95, 5] Generated Node #0,4,3: 88:[95, 5] Operation: 21-16=5 Exploring Operation: 95-21=74, Resulting Numbers: [16, 74] Generated Node #0,4,4: 88:[16, 74] Operation: 95-21=74 Moving to Node #0,4,3 Current State: 88:[95, 5], Operations: ['12+83=95', '21-16=5'] Exploring Operation: 95/5=19, Resulting Numbers: [19] 19,88 unequal: No Solution Exploring Operation: 95*5=475, Resulting Numbers: [475] 475,88 unequal: No Solution Exploring Operation: 95+5=100, Resulting Numbers: [100] 100,88 unequal: No Solution Exploring Operation: 95-5=90, Resulting Numbers: [90] 90,88 unequal: No Solution Moving to Node #0,4,2 Current State: 88:[21, 79], Operations: ['12+83=95', '95-16=79'] Exploring Operation: 79-21=58, Resulting Numbers: [58] 58,88 unequal: No Solution Exploring Operation: 21+79=100, Resulting Numbers: [100] 100,88 unequal: No Solution Exploring Operation: 21*79=1659, Resulting Numbers: [1659] 1659,88 unequal: No Solution Moving to Node #0,4,0 Current State: 88:[95, 37], Operations: ['12+83=95', '21+16=37'] Exploring Operation: 95*37=3515, Resulting Numbers: [3515] 3515,88 unequal: No Solution Exploring Operation: 95-37=58, Resulting Numbers: [58] 58,88 unequal: No Solution Exploring Operation: 95+37=132, Resulting Numbers: [132] 132,88 unequal: No Solution Moving to Node #0,4,4 Current State: 88:[16, 74], Operations: ['12+83=95', '95-21=74'] Exploring Operation: 16*74=1184, Resulting Numbers: [1184] 1184,88 unequal: No Solution Exploring Operation: 16+74=90, Resulting Numbers: [90] 90,88 unequal: No Solution Exploring Operation: 74-16=58, Resulting Numbers: [58] 58,88 unequal: No Solution Moving to Node #0,4,1 Current State: 88:[21, 111], Operations: ['12+83=95', '16+95=111'] Exploring Operation: 21+111=132, Resulting Numbers: [132] 132,88 unequal: No Solution Exploring Operation: 111-21=90, Resulting Numbers: [90] 90,88 unequal: No Solution Exploring Operation: 21*111=2331, Resulting Numbers: [2331] 2331,88 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
[ 19, 42, 38, 36 ]
13
[ "19+42=61", "38+36=74", "74-61=13" ]
Current State: 13:[19, 42, 38, 36], Operations: [] Exploring Operation: 19+42=61, Resulting Numbers: [38, 36, 61] Generated Node #2: [38, 36, 61] from Operation: 19+42=61 Current State: 13:[38, 36, 61], Operations: ['19+42=61'] Exploring Operation: 38+36=74, Resulting Numbers: [61, 74] Generated Node #3: [61, 74] from Operation: 38+36=74 Current State: 13:[61, 74], Operations: ['19+42=61', '38+36=74'] Exploring Operation: 74-61=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[19, 42, 38, 36], Operations: [] Exploring Operation: 38-19=19, Resulting Numbers: [42, 36, 19] Generated Node #0,0: 13:[42, 36, 19] Operation: 38-19=19 Exploring Operation: 38-36=2, Resulting Numbers: [19, 42, 2] Generated Node #0,1: 13:[19, 42, 2] Operation: 38-36=2 Exploring Operation: 42-38=4, Resulting Numbers: [19, 36, 4] Generated Node #0,2: 13:[19, 36, 4] Operation: 42-38=4 Exploring Operation: 42-19=23, Resulting Numbers: [38, 36, 23] Generated Node #0,3: 13:[38, 36, 23] Operation: 42-19=23 Exploring Operation: 42-36=6, Resulting Numbers: [19, 38, 6] Generated Node #0,4: 13:[19, 38, 6] Operation: 42-36=6 Moving to Node #0,2 Current State: 13:[19, 36, 4], Operations: ['42-38=4'] Exploring Operation: 19+4=23, Resulting Numbers: [36, 23] Generated Node #0,2,0: 13:[36, 23] Operation: 19+4=23 Exploring Operation: 36-4=32, Resulting Numbers: [19, 32] Generated Node #0,2,1: 13:[19, 32] Operation: 36-4=32 Exploring Operation: 19-4=15, Resulting Numbers: [36, 15] Generated Node #0,2,2: 13:[36, 15] Operation: 19-4=15 Exploring Operation: 36/4=9, Resulting Numbers: [19, 9] Generated Node #0,2,3: 13:[19, 9] Operation: 36/4=9 Exploring Operation: 36-19=17, Resulting Numbers: [4, 17] Generated Node #0,2,4: 13:[4, 17] Operation: 36-19=17 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 13:[19, 9], Operations: ['42-38=4', '36/4=9'] Exploring Operation: 19*9=171, Resulting Numbers: [171] 171,13 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 13:[4, 17], Operations: ['42-38=4', '36-19=17'] Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,13 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,13 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[19, 42, 38, 36], Operations: [] Exploring Operation: 42-38=4, Resulting Numbers: [19, 36, 4] Generated Node #0,2: 13:[19, 36, 4] Operation: 42-38=4 Moving to Node #0,2 Current State: 13:[19, 36, 4], Operations: ['42-38=4'] Exploring Operation: 36-19=17, Resulting Numbers: [4, 17] Generated Node #0,2,4: 13:[4, 17] Operation: 36-19=17 Moving to Node #0,2,4 Current State: 13:[4, 17], Operations: ['42-38=4', '36-19=17'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 60, 52, 58, 94 ]
21
[ "60-58=2", "94-52=42", "42/2=21" ]
Current State: 21:[60, 52, 58, 94], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [52, 94, 2] Generated Node #2: [52, 94, 2] from Operation: 60-58=2 Current State: 21:[52, 94, 2], Operations: ['60-58=2'] Exploring Operation: 94-52=42, Resulting Numbers: [2, 42] Generated Node #3: [2, 42] from Operation: 94-52=42 Current State: 21:[2, 42], Operations: ['60-58=2', '94-52=42'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[60, 52, 58, 94], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [52, 94, 2] Generated Node #0,0: 21:[52, 94, 2] Operation: 60-58=2 Exploring Operation: 94-58=36, Resulting Numbers: [60, 52, 36] Generated Node #0,1: 21:[60, 52, 36] Operation: 94-58=36 Exploring Operation: 94-52=42, Resulting Numbers: [60, 58, 42] Generated Node #0,2: 21:[60, 58, 42] Operation: 94-52=42 Exploring Operation: 60-52=8, Resulting Numbers: [58, 94, 8] Generated Node #0,3: 21:[58, 94, 8] Operation: 60-52=8 Exploring Operation: 94-60=34, Resulting Numbers: [52, 58, 34] Generated Node #0,4: 21:[52, 58, 34] Operation: 94-60=34 Moving to Node #0,4 Current State: 21:[52, 58, 34], Operations: ['94-60=34'] Exploring Operation: 58-52=6, Resulting Numbers: [34, 6] Generated Node #0,4,0: 21:[34, 6] Operation: 58-52=6 Exploring Operation: 52+58=110, Resulting Numbers: [34, 110] Generated Node #0,4,1: 21:[34, 110] Operation: 52+58=110 Exploring Operation: 52+34=86, Resulting Numbers: [58, 86] Generated Node #0,4,2: 21:[58, 86] Operation: 52+34=86 Exploring Operation: 52-34=18, Resulting Numbers: [58, 18] Generated Node #0,4,3: 21:[58, 18] Operation: 52-34=18 Exploring Operation: 58-34=24, Resulting Numbers: [52, 24] Generated Node #0,4,4: 21:[52, 24] Operation: 58-34=24 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 21:[34, 6], Operations: ['94-60=34', '58-52=6'] Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,21 unequal: No Solution Exploring Operation: 34*6=204, Resulting Numbers: [204] 204,21 unequal: No Solution Exploring Operation: 34+6=40, Resulting Numbers: [40] 40,21 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 #0,4,4 Current State: 21:[52, 24], Operations: ['94-60=34', '58-34=24'] Exploring Operation: 52+24=76, Resulting Numbers: [76] 76,21 unequal: No Solution Exploring Operation: 52-24=28, Resulting Numbers: [28] 28,21 unequal: No Solution Exploring Operation: 52*24=1248, Resulting Numbers: [1248] 1248,21 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 #0,4,3 Current State: 21:[58, 18], Operations: ['94-60=34', '52-34=18'] Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,21 unequal: No Solution Exploring Operation: 58*18=1044, Resulting Numbers: [1044] 1044,21 unequal: No Solution Exploring Operation: 58+18=76, Resulting Numbers: [76] 76,21 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 #0,4,1 Current State: 21:[34, 110], Operations: ['94-60=34', '52+58=110'] Exploring Operation: 110-34=76, Resulting Numbers: [76] 76,21 unequal: No Solution Exploring Operation: 34*110=3740, Resulting Numbers: [3740] 3740,21 unequal: No Solution Exploring Operation: 34+110=144, Resulting Numbers: [144] 144,21 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 #0,4,2 Current State: 21:[58, 86], Operations: ['94-60=34', '52+34=86'] Exploring Operation: 58*86=4988, Resulting Numbers: [4988] 4988,21 unequal: No Solution Exploring Operation: 86-58=28, Resulting Numbers: [28] 28,21 unequal: No Solution Exploring Operation: 58+86=144, Resulting Numbers: [144] 144,21 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: 21:[60, 52, 36], Operations: ['94-58=36'] Exploring Operation: 60-52=8, Resulting Numbers: [36, 8] Generated Node #0,1,0: 21:[36, 8] Operation: 60-52=8 Exploring Operation: 60+36=96, Resulting Numbers: [52, 96] Generated Node #0,1,1: 21:[52, 96] Operation: 60+36=96 Exploring Operation: 52-36=16, Resulting Numbers: [60, 16] Generated Node #0,1,2: 21:[60, 16] Operation: 52-36=16 Exploring Operation: 60-36=24, Resulting Numbers: [52, 24] Generated Node #0,1,3: 21:[52, 24] Operation: 60-36=24 Exploring Operation: 60+52=112, Resulting Numbers: [36, 112] Generated Node #0,1,4: 21:[36, 112] Operation: 60+52=112 Moving to Node #0,2 Current State: 21:[60, 58, 42], Operations: ['94-52=42'] Exploring Operation: 60+58=118, Resulting Numbers: [42, 118] Generated Node #0,2,0: 21:[42, 118] Operation: 60+58=118 Exploring Operation: 60+42=102, Resulting Numbers: [58, 102] Generated Node #0,2,1: 21:[58, 102] Operation: 60+42=102 Exploring Operation: 60-42=18, Resulting Numbers: [58, 18] Generated Node #0,2,2: 21:[58, 18] Operation: 60-42=18 Exploring Operation: 60-58=2, Resulting Numbers: [42, 2] Generated Node #0,2,3: 21:[42, 2] Operation: 60-58=2 Exploring Operation: 58-42=16, Resulting Numbers: [60, 16] Generated Node #0,2,4: 21:[60, 16] Operation: 58-42=16 Moving to Node #0,0 Current State: 21:[52, 94, 2], Operations: ['60-58=2'] Exploring Operation: 52/2=26, Resulting Numbers: [94, 26] Generated Node #0,0,0: 21:[94, 26] Operation: 52/2=26 Exploring Operation: 94-52=42, Resulting Numbers: [2, 42] Generated Node #0,0,1: 21:[2, 42] Operation: 94-52=42 Exploring Operation: 52-2=50, Resulting Numbers: [94, 50] Generated Node #0,0,2: 21:[94, 50] Operation: 52-2=50 Exploring Operation: 94/2=47, Resulting Numbers: [52, 47] Generated Node #0,0,3: 21:[52, 47] Operation: 94/2=47 Exploring Operation: 94-2=92, Resulting Numbers: [52, 92] Generated Node #0,0,4: 21:[52, 92] Operation: 94-2=92 Moving to Node #0,3 Current State: 21:[58, 94, 8], Operations: ['60-52=8'] Exploring Operation: 94-58=36, Resulting Numbers: [8, 36] Generated Node #0,3,0: 21:[8, 36] Operation: 94-58=36 Exploring Operation: 94-8=86, Resulting Numbers: [58, 86] Generated Node #0,3,1: 21:[58, 86] Operation: 94-8=86 Exploring Operation: 94+8=102, Resulting Numbers: [58, 102] Generated Node #0,3,2: 21:[58, 102] Operation: 94+8=102 Exploring Operation: 58-8=50, Resulting Numbers: [94, 50] Generated Node #0,3,3: 21:[94, 50] Operation: 58-8=50 Exploring Operation: 58+8=66, Resulting Numbers: [94, 66] Generated Node #0,3,4: 21:[94, 66] Operation: 58+8=66 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 21:[8, 36], Operations: ['60-52=8', '94-58=36'] Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,21 unequal: No Solution Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,21 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,21 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 #0,3,1 Current State: 21:[58, 86], Operations: ['60-52=8', '94-8=86'] Exploring Operation: 58+86=144, Resulting Numbers: [144] 144,21 unequal: No Solution Exploring Operation: 86-58=28, Resulting Numbers: [28] 28,21 unequal: No Solution Exploring Operation: 58*86=4988, Resulting Numbers: [4988] 4988,21 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 #0,3,3 Current State: 21:[94, 50], Operations: ['60-52=8', '58-8=50'] Exploring Operation: 94*50=4700, Resulting Numbers: [4700] 4700,21 unequal: No Solution Exploring Operation: 94-50=44, Resulting Numbers: [44] 44,21 unequal: No Solution Exploring Operation: 94+50=144, Resulting Numbers: [144] 144,21 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 #0,3,2 Current State: 21:[58, 102], Operations: ['60-52=8', '94+8=102'] Exploring Operation: 102-58=44, Resulting Numbers: [44] 44,21 unequal: No Solution Exploring Operation: 58+102=160, Resulting Numbers: [160] 160,21 unequal: No Solution Exploring Operation: 58*102=5916, Resulting Numbers: [5916] 5916,21 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 #0,3,4 Current State: 21:[94, 66], Operations: ['60-52=8', '58+8=66'] Exploring Operation: 94+66=160, Resulting Numbers: [160] 160,21 unequal: No Solution Exploring Operation: 94-66=28, Resulting Numbers: [28] 28,21 unequal: No Solution Exploring Operation: 94*66=6204, Resulting Numbers: [6204] 6204,21 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: 21:[36, 8], Operations: ['94-58=36', '60-52=8'] Exploring Operation: 36+8=44, Resulting Numbers: [44] 44,21 unequal: No Solution Exploring Operation: 36*8=288, Resulting Numbers: [288] 288,21 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,21 unequal: No Solution Moving to Node #0,2,3 Current State: 21:[42, 2], Operations: ['94-52=42', '60-58=2'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,21 unequal: No Solution Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,21 unequal: No Solution Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,21 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[60, 52, 58, 94], Operations: [] Exploring Operation: 94-52=42, Resulting Numbers: [60, 58, 42] Generated Node #0,2: 21:[60, 58, 42] Operation: 94-52=42 Moving to Node #0,2 Current State: 21:[60, 58, 42], Operations: ['94-52=42'] Exploring Operation: 60-58=2, Resulting Numbers: [42, 2] Generated Node #0,2,3: 21:[42, 2] Operation: 60-58=2 Moving to Node #0,2,3 Current State: 21:[42, 2], Operations: ['94-52=42', '60-58=2'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
0.938368
hs_5
sum_heuristic
[ 12, 4, 94, 10 ]
45
[ "12-10=2", "94-4=90", "90/2=45" ]
Current State: 45:[12, 4, 94, 10], Operations: [] Exploring Operation: 12-10=2, Resulting Numbers: [4, 94, 2] Generated Node #2: [4, 94, 2] from Operation: 12-10=2 Current State: 45:[4, 94, 2], Operations: ['12-10=2'] Exploring Operation: 94-4=90, Resulting Numbers: [2, 90] Generated Node #3: [2, 90] from Operation: 94-4=90 Current State: 45:[2, 90], Operations: ['12-10=2', '94-4=90'] Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[12, 4, 94, 10], Operations: [] Exploring Operation: 94-12=82, Resulting Numbers: [4, 10, 82] Generated Node #0,0: 45:[4, 10, 82] Operation: 94-12=82 Exploring Operation: 94-10=84, Resulting Numbers: [12, 4, 84] Generated Node #0,1: 45:[12, 4, 84] Operation: 94-10=84 Moving to Node #0,0 Current State: 45:[4, 10, 82], Operations: ['94-12=82'] Exploring Operation: 82-10=72, Resulting Numbers: [4, 72] Generated Node #0,0,0: 45:[4, 72] Operation: 82-10=72 Exploring Operation: 82-4=78, Resulting Numbers: [10, 78] Generated Node #0,0,1: 45:[10, 78] Operation: 82-4=78 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 45:[4, 72], Operations: ['94-12=82', '82-10=72'] Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,45 unequal: No Solution Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 45:[10, 78], Operations: ['94-12=82', '82-4=78'] Exploring Operation: 78-10=68, Resulting Numbers: [68] 68,45 unequal: No Solution Exploring Operation: 10+78=88, Resulting Numbers: [88] 88,45 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: 45:[12, 4, 84], Operations: ['94-10=84'] Exploring Operation: 84/12=7, Resulting Numbers: [4, 7] Generated Node #0,1,0: 45:[4, 7] Operation: 84/12=7 Exploring Operation: 84/4=21, Resulting Numbers: [12, 21] Generated Node #0,1,1: 45:[12, 21] Operation: 84/4=21 Moving to Node #0,1,0 Current State: 45:[4, 7], Operations: ['94-10=84', '84/12=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,45 unequal: No Solution Moving to Node #0,1,1 Current State: 45:[12, 21], Operations: ['94-10=84', '84/4=21'] Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,45 unequal: No Solution Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,45 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 96, 61, 52, 37 ]
48
[ "61-37=24", "96/24=4", "52-4=48" ]
Current State: 48:[96, 61, 52, 37], Operations: [] Exploring Operation: 61-37=24, Resulting Numbers: [96, 52, 24] Generated Node #2: [96, 52, 24] from Operation: 61-37=24 Current State: 48:[96, 52, 24], Operations: ['61-37=24'] Exploring Operation: 96/24=4, Resulting Numbers: [52, 4] Generated Node #3: [52, 4] from Operation: 96/24=4 Current State: 48:[52, 4], Operations: ['61-37=24', '96/24=4'] Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[96, 61, 52, 37], Operations: [] Exploring Operation: 61-37=24, Resulting Numbers: [96, 52, 24] Generated Node #0,0: 48:[96, 52, 24] Operation: 61-37=24 Exploring Operation: 96-52=44, Resulting Numbers: [61, 37, 44] Generated Node #0,1: 48:[61, 37, 44] Operation: 96-52=44 Exploring Operation: 96-37=59, Resulting Numbers: [61, 52, 59] Generated Node #0,2: 48:[61, 52, 59] Operation: 96-37=59 Exploring Operation: 96-61=35, Resulting Numbers: [52, 37, 35] Generated Node #0,3: 48:[52, 37, 35] Operation: 96-61=35 Exploring Operation: 61-52=9, Resulting Numbers: [96, 37, 9] Generated Node #0,4: 48:[96, 37, 9] Operation: 61-52=9 Start Sub Search at level 1: Moving to Node #0,3 Current State: 48:[52, 37, 35], Operations: ['96-61=35'] Exploring Operation: 52-37=15, Resulting Numbers: [35, 15] Generated Node #0,3,0: 48:[35, 15] Operation: 52-37=15 Exploring Operation: 52+35=87, Resulting Numbers: [37, 87] Generated Node #0,3,1: 48:[37, 87] Operation: 52+35=87 Exploring Operation: 37+35=72, Resulting Numbers: [52, 72] Generated Node #0,3,2: 48:[52, 72] Operation: 37+35=72 Exploring Operation: 37-35=2, Resulting Numbers: [52, 2] Generated Node #0,3,3: 48:[52, 2] Operation: 37-35=2 Exploring Operation: 52-35=17, Resulting Numbers: [37, 17] Generated Node #0,3,4: 48:[37, 17] Operation: 52-35=17 Moving to Node #0,3,3 Current State: 48:[52, 2], Operations: ['96-61=35', '37-35=2'] Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,48 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,48 unequal: No Solution Exploring Operation: 52*2=104, Resulting Numbers: [104] 104,48 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,48 unequal: No Solution Moving to Node #0,3,4 Current State: 48:[37, 17], Operations: ['96-61=35', '52-35=17'] Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 37*17=629, Resulting Numbers: [629] 629,48 unequal: No Solution Exploring Operation: 37+17=54, Resulting Numbers: [54] 54,48 unequal: No Solution Moving to Node #0,3,0 Current State: 48:[35, 15], Operations: ['96-61=35', '52-37=15'] Exploring Operation: 35+15=50, Resulting Numbers: [50] 50,48 unequal: No Solution Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 35*15=525, Resulting Numbers: [525] 525,48 unequal: No Solution Moving to Node #0,3,2 Current State: 48:[52, 72], Operations: ['96-61=35', '37+35=72'] Exploring Operation: 52+72=124, Resulting Numbers: [124] 124,48 unequal: No Solution Exploring Operation: 72-52=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 52*72=3744, Resulting Numbers: [3744] 3744,48 unequal: No Solution Moving to Node #0,3,1 Current State: 48:[37, 87], Operations: ['96-61=35', '52+35=87'] Exploring Operation: 37+87=124, Resulting Numbers: [124] 124,48 unequal: No Solution Exploring Operation: 37*87=3219, Resulting Numbers: [3219] 3219,48 unequal: No Solution Exploring Operation: 87-37=50, Resulting Numbers: [50] 50,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[61, 37, 44], Operations: ['96-52=44'] Exploring Operation: 61-44=17, Resulting Numbers: [37, 17] Generated Node #0,1,0: 48:[37, 17] Operation: 61-44=17 Exploring Operation: 61+37=98, Resulting Numbers: [44, 98] Generated Node #0,1,1: 48:[44, 98] Operation: 61+37=98 Exploring Operation: 61-37=24, Resulting Numbers: [44, 24] Generated Node #0,1,2: 48:[44, 24] Operation: 61-37=24 Exploring Operation: 44-37=7, Resulting Numbers: [61, 7] Generated Node #0,1,3: 48:[61, 7] Operation: 44-37=7 Exploring Operation: 37+44=81, Resulting Numbers: [61, 81] Generated Node #0,1,4: 48:[61, 81] Operation: 37+44=81 Moving to Node #0,1,2 Current State: 48:[44, 24], Operations: ['96-52=44', '61-37=24'] Exploring Operation: 44+24=68, Resulting Numbers: [68] 68,48 unequal: No Solution Exploring Operation: 44*24=1056, Resulting Numbers: [1056] 1056,48 unequal: No Solution Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,48 unequal: No Solution Moving to Node #0,1,0 Current State: 48:[37, 17], Operations: ['96-52=44', '61-44=17'] Exploring Operation: 37*17=629, Resulting Numbers: [629] 629,48 unequal: No Solution Exploring Operation: 37+17=54, Resulting Numbers: [54] 54,48 unequal: No Solution Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,48 unequal: No Solution Moving to Node #0,1,3 Current State: 48:[61, 7], Operations: ['96-52=44', '44-37=7'] Exploring Operation: 61+7=68, Resulting Numbers: [68] 68,48 unequal: No Solution Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,48 unequal: No Solution Exploring Operation: 61*7=427, Resulting Numbers: [427] 427,48 unequal: No Solution Moving to Node #0,1,4 Current State: 48:[61, 81], Operations: ['96-52=44', '37+44=81'] Exploring Operation: 61+81=142, Resulting Numbers: [142] 142,48 unequal: No Solution Exploring Operation: 81-61=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 61*81=4941, Resulting Numbers: [4941] 4941,48 unequal: No Solution Moving to Node #0,1,1 Current State: 48:[44, 98], Operations: ['96-52=44', '61+37=98'] Exploring Operation: 44+98=142, Resulting Numbers: [142] 142,48 unequal: No Solution Exploring Operation: 98-44=54, Resulting Numbers: [54] 54,48 unequal: No Solution Exploring Operation: 44*98=4312, Resulting Numbers: [4312] 4312,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[61, 52, 59], Operations: ['96-37=59'] Exploring Operation: 59-52=7, Resulting Numbers: [61, 7] Generated Node #0,2,0: 48:[61, 7] Operation: 59-52=7 Exploring Operation: 61+59=120, Resulting Numbers: [52, 120] Generated Node #0,2,1: 48:[52, 120] Operation: 61+59=120 Exploring Operation: 61-52=9, Resulting Numbers: [59, 9] Generated Node #0,2,2: 48:[59, 9] Operation: 61-52=9 Exploring Operation: 61-59=2, Resulting Numbers: [52, 2] Generated Node #0,2,3: 48:[52, 2] Operation: 61-59=2 Exploring Operation: 61+52=113, Resulting Numbers: [59, 113] Generated Node #0,2,4: 48:[59, 113] Operation: 61+52=113 Moving to Node #0,2,3 Current State: 48:[52, 2], Operations: ['96-37=59', '61-59=2'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,48 unequal: No Solution Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,48 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,48 unequal: No Solution Exploring Operation: 52*2=104, Resulting Numbers: [104] 104,48 unequal: No Solution Moving to Node #0,2,2 Current State: 48:[59, 9], Operations: ['96-37=59', '61-52=9'] Exploring Operation: 59*9=531, Resulting Numbers: [531] 531,48 unequal: No Solution Exploring Operation: 59+9=68, Resulting Numbers: [68] 68,48 unequal: No Solution Exploring Operation: 59-9=50, Resulting Numbers: [50] 50,48 unequal: No Solution Moving to Node #0,2,0 Current State: 48:[61, 7], Operations: ['96-37=59', '59-52=7'] Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,48 unequal: No Solution Exploring Operation: 61*7=427, Resulting Numbers: [427] 427,48 unequal: No Solution Exploring Operation: 61+7=68, Resulting Numbers: [68] 68,48 unequal: No Solution Moving to Node #0,2,1 Current State: 48:[52, 120], Operations: ['96-37=59', '61+59=120'] Exploring Operation: 52+120=172, Resulting Numbers: [172] 172,48 unequal: No Solution Exploring Operation: 52*120=6240, Resulting Numbers: [6240] 6240,48 unequal: No Solution Exploring Operation: 120-52=68, Resulting Numbers: [68] 68,48 unequal: No Solution Moving to Node #0,2,4 Current State: 48:[59, 113], Operations: ['96-37=59', '61+52=113'] Exploring Operation: 59+113=172, Resulting Numbers: [172] 172,48 unequal: No Solution Exploring Operation: 59*113=6667, Resulting Numbers: [6667] 6667,48 unequal: No Solution Exploring Operation: 113-59=54, Resulting Numbers: [54] 54,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[96, 52, 24], Operations: ['61-37=24'] Exploring Operation: 96-52=44, Resulting Numbers: [24, 44] Generated Node #0,0,0: 48:[24, 44] Operation: 96-52=44 Exploring Operation: 96/24=4, Resulting Numbers: [52, 4] Generated Node #0,0,1: 48:[52, 4] Operation: 96/24=4 Exploring Operation: 96-24=72, Resulting Numbers: [52, 72] Generated Node #0,0,2: 48:[52, 72] Operation: 96-24=72 Exploring Operation: 52-24=28, Resulting Numbers: [96, 28] Generated Node #0,0,3: 48:[96, 28] Operation: 52-24=28 Exploring Operation: 96+24=120, Resulting Numbers: [52, 120] Generated Node #0,0,4: 48:[52, 120] Operation: 96+24=120 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 48:[24, 44], Operations: ['61-37=24', '96-52=44'] Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 24*44=1056, Resulting Numbers: [1056] 1056,48 unequal: No Solution Exploring Operation: 24+44=68, Resulting Numbers: [68] 68,48 unequal: No Solution No 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: 48:[52, 4], Operations: ['61-37=24', '96/24=4'] Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[96, 61, 52, 37], Operations: [] Exploring Operation: 61-37=24, Resulting Numbers: [96, 52, 24] Generated Node #0,0: 48:[96, 52, 24] Operation: 61-37=24 Moving to Node #0,0 Current State: 48:[96, 52, 24], Operations: ['61-37=24'] Exploring Operation: 96/24=4, Resulting Numbers: [52, 4] Generated Node #0,0,1: 48:[52, 4] Operation: 96/24=4 Moving to Node #0,0,1 Current State: 48:[52, 4], Operations: ['61-37=24', '96/24=4'] Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.930556
hs_5
sum_heuristic
[ 4, 81, 84, 67 ]
58
[ "81+84=165", "67+165=232", "232/4=58" ]
Current State: 58:[4, 81, 84, 67], Operations: [] Exploring Operation: 81+84=165, Resulting Numbers: [4, 67, 165] Generated Node #2: [4, 67, 165] from Operation: 81+84=165 Current State: 58:[4, 67, 165], Operations: ['81+84=165'] Exploring Operation: 67+165=232, Resulting Numbers: [4, 232] Generated Node #3: [4, 232] from Operation: 67+165=232 Current State: 58:[4, 232], Operations: ['81+84=165', '67+165=232'] Exploring Operation: 232/4=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[4, 81, 84, 67], Operations: [] Exploring Operation: 84-81=3, Resulting Numbers: [4, 67, 3] Generated Node #0,0: 58:[4, 67, 3] Operation: 84-81=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[4, 67, 3], Operations: ['84-81=3'] Exploring Operation: 67-4=63, Resulting Numbers: [3, 63] Generated Node #0,0,0: 58:[3, 63] Operation: 67-4=63 Moving to Node #0,0,0 Current State: 58:[3, 63], Operations: ['84-81=3', '67-4=63'] Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,58 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
[ 65, 12, 12, 30 ]
71
[ "65-12=53", "30-12=18", "53+18=71" ]
Current State: 71:[65, 12, 12, 30], Operations: [] Exploring Operation: 65-12=53, Resulting Numbers: [30, 53] Generated Node #2: [30, 53] from Operation: 65-12=53 Current State: 71:[30, 53], Operations: ['65-12=53'] Exploring Operation: 30-12=18, Resulting Numbers: [53, 18] Generated Node #3: [53, 18] from Operation: 30-12=18 Current State: 71:[53, 18], Operations: ['65-12=53', '30-12=18'] Exploring Operation: 53+18=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[65, 12, 12, 30], Operations: [] Exploring Operation: 12+30=42, Resulting Numbers: [65, 12, 42] Generated Node #0,0: 71:[65, 12, 42] Operation: 12+30=42 Exploring Operation: 12+12=24, Resulting Numbers: [65, 30, 24] Generated Node #0,1: 71:[65, 30, 24] Operation: 12+12=24 Moving to Node #0,0 Current State: 71:[65, 12, 42], Operations: ['12+30=42'] Exploring Operation: 12+42=54, Resulting Numbers: [65, 54] Generated Node #0,0,0: 71:[65, 54] Operation: 12+42=54 Exploring Operation: 65+12=77, Resulting Numbers: [42, 77] Generated Node #0,0,1: 71:[42, 77] Operation: 65+12=77 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[65, 54], Operations: ['12+30=42', '12+42=54'] Exploring Operation: 65-54=11, Resulting Numbers: [11] 11,71 unequal: No Solution Exploring Operation: 65+54=119, Resulting Numbers: [119] 119,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[42, 77], Operations: ['12+30=42', '65+12=77'] Exploring Operation: 42+77=119, Resulting Numbers: [119] 119,71 unequal: No Solution Exploring Operation: 77-42=35, Resulting Numbers: [35] 35,71 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: 71:[65, 30, 24], Operations: ['12+12=24'] Exploring Operation: 65+24=89, Resulting Numbers: [30, 89] Generated Node #0,1,0: 71:[30, 89] Operation: 65+24=89 Exploring Operation: 30+24=54, Resulting Numbers: [65, 54] Generated Node #0,1,1: 71:[65, 54] Operation: 30+24=54 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[65, 54], Operations: ['12+12=24', '30+24=54'] Exploring Operation: 65+54=119, Resulting Numbers: [119] 119,71 unequal: No Solution Exploring Operation: 65-54=11, Resulting Numbers: [11] 11,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[30, 89], Operations: ['12+12=24', '65+24=89'] Exploring Operation: 30+89=119, Resulting Numbers: [119] 119,71 unequal: No Solution Exploring Operation: 89-30=59, Resulting Numbers: [59] 59,71 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, 79, 3, 65 ]
13
[ "79-71=8", "8-3=5", "65/5=13" ]
Current State: 13:[71, 79, 3, 65], Operations: [] Exploring Operation: 79-71=8, Resulting Numbers: [3, 65, 8] Generated Node #2: [3, 65, 8] from Operation: 79-71=8 Current State: 13:[3, 65, 8], Operations: ['79-71=8'] Exploring Operation: 8-3=5, Resulting Numbers: [65, 5] Generated Node #3: [65, 5] from Operation: 8-3=5 Current State: 13:[65, 5], Operations: ['79-71=8', '8-3=5'] Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[71, 79, 3, 65], Operations: [] Exploring Operation: 79-65=14, Resulting Numbers: [71, 3, 14] Generated Node #0,0: 13:[71, 3, 14] Operation: 79-65=14 Exploring Operation: 71-65=6, Resulting Numbers: [79, 3, 6] Generated Node #0,1: 13:[79, 3, 6] Operation: 71-65=6 Exploring Operation: 79-71=8, Resulting Numbers: [3, 65, 8] Generated Node #0,2: 13:[3, 65, 8] Operation: 79-71=8 Moving to Node #0,2 Current State: 13:[3, 65, 8], Operations: ['79-71=8'] Exploring Operation: 65-3=62, Resulting Numbers: [8, 62] Generated Node #0,2,0: 13:[8, 62] Operation: 65-3=62 Exploring Operation: 3+8=11, Resulting Numbers: [65, 11] Generated Node #0,2,1: 13:[65, 11] Operation: 3+8=11 Exploring Operation: 65-8=57, Resulting Numbers: [3, 57] Generated Node #0,2,2: 13:[3, 57] Operation: 65-8=57 Moving to Node #0,0 Current State: 13:[71, 3, 14], Operations: ['79-65=14'] Exploring Operation: 71-14=57, Resulting Numbers: [3, 57] Generated Node #0,0,0: 13:[3, 57] Operation: 71-14=57 Exploring Operation: 71-3=68, Resulting Numbers: [14, 68] Generated Node #0,0,1: 13:[14, 68] Operation: 71-3=68 Exploring Operation: 14-3=11, Resulting Numbers: [71, 11] Generated Node #0,0,2: 13:[71, 11] Operation: 14-3=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 13:[3, 57], Operations: ['79-65=14', '71-14=57'] Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,13 unequal: No Solution Exploring Operation: 3+57=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 13:[14, 68], Operations: ['79-65=14', '71-3=68'] Exploring Operation: 14*68=952, Resulting Numbers: [952] 952,13 unequal: No Solution Exploring Operation: 14+68=82, Resulting Numbers: [82] 82,13 unequal: No Solution Exploring Operation: 68-14=54, Resulting Numbers: [54] 54,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 13:[71, 11], Operations: ['79-65=14', '14-3=11'] Exploring Operation: 71+11=82, Resulting Numbers: [82] 82,13 unequal: No Solution Exploring Operation: 71*11=781, Resulting Numbers: [781] 781,13 unequal: No Solution Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 13:[79, 3, 6], Operations: ['71-65=6'] Exploring Operation: 79-6=73, Resulting Numbers: [3, 73] Generated Node #0,1,0: 13:[3, 73] Operation: 79-6=73 Exploring Operation: 3+6=9, Resulting Numbers: [79, 9] Generated Node #0,1,1: 13:[79, 9] Operation: 3+6=9 Exploring Operation: 79-3=76, Resulting Numbers: [6, 76] Generated Node #0,1,2: 13:[6, 76] Operation: 79-3=76 Moving to Node #0,2,0 Current State: 13:[8, 62], Operations: ['79-71=8', '65-3=62'] Exploring Operation: 8+62=70, Resulting Numbers: [70] 70,13 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,13 unequal: No Solution Exploring Operation: 8*62=496, Resulting Numbers: [496] 496,13 unequal: No Solution Moving to Node #0,2,2 Current State: 13:[3, 57], Operations: ['79-71=8', '65-8=57'] Exploring Operation: 3+57=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,13 unequal: No Solution Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,13 unequal: No Solution Moving to Node #0,2,1 Current State: 13:[65, 11], Operations: ['79-71=8', '3+8=11'] Exploring Operation: 65-11=54, Resulting Numbers: [54] 54,13 unequal: No Solution Exploring Operation: 65+11=76, Resulting Numbers: [76] 76,13 unequal: No Solution Exploring Operation: 65*11=715, Resulting Numbers: [715] 715,13 unequal: No Solution Moving to Node #0,1,2 Current State: 13:[6, 76], Operations: ['71-65=6', '79-3=76'] Exploring Operation: 6*76=456, Resulting Numbers: [456] 456,13 unequal: No Solution Exploring Operation: 6+76=82, Resulting Numbers: [82] 82,13 unequal: No Solution Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,13 unequal: No Solution Moving to Node #0,1,0 Current State: 13:[3, 73], Operations: ['71-65=6', '79-6=73'] Exploring Operation: 3+73=76, Resulting Numbers: [76] 76,13 unequal: No Solution Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,13 unequal: No Solution Exploring Operation: 3*73=219, Resulting Numbers: [219] 219,13 unequal: No Solution Moving to Node #0,1,1 Current State: 13:[79, 9], Operations: ['71-65=6', '3+6=9'] Exploring Operation: 79*9=711, Resulting Numbers: [711] 711,13 unequal: No Solution Exploring Operation: 79-9=70, Resulting Numbers: [70] 70,13 unequal: No Solution Exploring Operation: 79+9=88, Resulting Numbers: [88] 88,13 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 80, 63, 52, 7 ]
20
[ "63-52=11", "11-7=4", "80/4=20" ]
Current State: 20:[80, 63, 52, 7], Operations: [] Exploring Operation: 63-52=11, Resulting Numbers: [80, 7, 11] Generated Node #2: [80, 7, 11] from Operation: 63-52=11 Current State: 20:[80, 7, 11], Operations: ['63-52=11'] Exploring Operation: 11-7=4, Resulting Numbers: [80, 4] Generated Node #3: [80, 4] from Operation: 11-7=4 Current State: 20:[80, 4], Operations: ['63-52=11', '11-7=4'] Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[80, 63, 52, 7], Operations: [] Exploring Operation: 80-52=28, Resulting Numbers: [63, 7, 28] Generated Node #0,0: 20:[63, 7, 28] Operation: 80-52=28 Exploring Operation: 80-63=17, Resulting Numbers: [52, 7, 17] Generated Node #0,1: 20:[52, 7, 17] Operation: 80-63=17 Moving to Node #0,1 Current State: 20:[52, 7, 17], Operations: ['80-63=17'] Exploring Operation: 52-17=35, Resulting Numbers: [7, 35] Generated Node #0,1,0: 20:[7, 35] Operation: 52-17=35 Exploring Operation: 52-7=45, Resulting Numbers: [17, 45] Generated Node #0,1,1: 20:[17, 45] Operation: 52-7=45 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 20:[7, 35], Operations: ['80-63=17', '52-17=35'] Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,20 unequal: No Solution Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 20:[17, 45], Operations: ['80-63=17', '52-7=45'] Exploring Operation: 17+45=62, Resulting Numbers: [62] 62,20 unequal: No Solution Exploring Operation: 45-17=28, Resulting Numbers: [28] 28,20 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: 20:[63, 7, 28], Operations: ['80-52=28'] Exploring Operation: 63-28=35, Resulting Numbers: [7, 35] Generated Node #0,0,0: 20:[7, 35] Operation: 63-28=35 Exploring Operation: 63/7=9, Resulting Numbers: [28, 9] Generated Node #0,0,1: 20:[28, 9] Operation: 63/7=9 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[28, 9], Operations: ['80-52=28', '63/7=9'] Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 28+9=37, Resulting Numbers: [37] 37,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[7, 35], Operations: ['80-52=28', '63-28=35'] Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,20 unequal: No Solution Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,20 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
[ 54, 34, 54, 59 ]
59
[ "54-54=0", "34*0=0", "59+0=59" ]
Current State: 59:[54, 34, 54, 59], Operations: [] Exploring Operation: 54-54=0, Resulting Numbers: [34, 59, 0] Generated Node #2: [34, 59, 0] from Operation: 54-54=0 Current State: 59:[34, 59, 0], Operations: ['54-54=0'] Exploring Operation: 34*0=0, Resulting Numbers: [59, 0] Generated Node #3: [59, 0] from Operation: 34*0=0 Current State: 59:[59, 0], Operations: ['54-54=0', '34*0=0'] Exploring Operation: 59+0=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[54, 34, 54, 59], Operations: [] Exploring Operation: 34+54=88, Resulting Numbers: [54, 59, 88] Generated Node #0,0: 59:[54, 59, 88] Operation: 34+54=88 Exploring Operation: 54+34=88, Resulting Numbers: [54, 59, 88] Generated Node #0,1: 59:[54, 59, 88] Operation: 54+34=88 Moving to Node #0,0 Current State: 59:[54, 59, 88], Operations: ['34+54=88'] Exploring Operation: 88-59=29, Resulting Numbers: [54, 29] Generated Node #0,0,0: 59:[54, 29] Operation: 88-59=29 Exploring Operation: 88-54=34, Resulting Numbers: [59, 34] Generated Node #0,0,1: 59:[59, 34] Operation: 88-54=34 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 59:[59, 34], Operations: ['34+54=88', '88-54=34'] Exploring Operation: 59-34=25, Resulting Numbers: [25] 25,59 unequal: No Solution Exploring Operation: 59+34=93, Resulting Numbers: [93] 93,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[54, 29], Operations: ['34+54=88', '88-59=29'] Exploring Operation: 54-29=25, Resulting Numbers: [25] 25,59 unequal: No Solution Exploring Operation: 54+29=83, Resulting Numbers: [83] 83,59 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: 59:[54, 59, 88], Operations: ['54+34=88'] Exploring Operation: 88-59=29, Resulting Numbers: [54, 29] Generated Node #0,1,0: 59:[54, 29] Operation: 88-59=29 Exploring Operation: 88-54=34, Resulting Numbers: [59, 34] Generated Node #0,1,1: 59:[59, 34] Operation: 88-54=34 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 59:[59, 34], Operations: ['54+34=88', '88-54=34'] Exploring Operation: 59+34=93, Resulting Numbers: [93] 93,59 unequal: No Solution Exploring Operation: 59-34=25, Resulting Numbers: [25] 25,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 59:[54, 29], Operations: ['54+34=88', '88-59=29'] Exploring Operation: 54+29=83, Resulting Numbers: [83] 83,59 unequal: No Solution Exploring Operation: 54-29=25, Resulting Numbers: [25] 25,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 46, 11, 65, 84 ]
92
[ "46+11=57", "65+84=149", "149-57=92" ]
Current State: 92:[46, 11, 65, 84], Operations: [] Exploring Operation: 46+11=57, Resulting Numbers: [65, 84, 57] Generated Node #2: [65, 84, 57] from Operation: 46+11=57 Current State: 92:[65, 84, 57], Operations: ['46+11=57'] Exploring Operation: 65+84=149, Resulting Numbers: [57, 149] Generated Node #3: [57, 149] from Operation: 65+84=149 Current State: 92:[57, 149], Operations: ['46+11=57', '65+84=149'] Exploring Operation: 149-57=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[46, 11, 65, 84], Operations: [] Exploring Operation: 65-46=19, Resulting Numbers: [11, 84, 19] Generated Node #0,0: 92:[11, 84, 19] Operation: 65-46=19 Exploring Operation: 84-65=19, Resulting Numbers: [46, 11, 19] Generated Node #0,1: 92:[46, 11, 19] Operation: 84-65=19 Exploring Operation: 65-11=54, Resulting Numbers: [46, 84, 54] Generated Node #0,2: 92:[46, 84, 54] Operation: 65-11=54 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[46, 11, 19], Operations: ['84-65=19'] Exploring Operation: 19-11=8, Resulting Numbers: [46, 8] Generated Node #0,1,0: 92:[46, 8] Operation: 19-11=8 Exploring Operation: 46-19=27, Resulting Numbers: [11, 27] Generated Node #0,1,1: 92:[11, 27] Operation: 46-19=27 Exploring Operation: 11+19=30, Resulting Numbers: [46, 30] Generated Node #0,1,2: 92:[46, 30] Operation: 11+19=30 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 92:[46, 8], Operations: ['84-65=19', '19-11=8'] Exploring Operation: 46+8=54, Resulting Numbers: [54] 54,92 unequal: No Solution Exploring Operation: 46*8=368, Resulting Numbers: [368] 368,92 unequal: No Solution Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,92 unequal: No Solution No 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: 92:[46, 30], Operations: ['84-65=19', '11+19=30'] Exploring Operation: 46*30=1380, Resulting Numbers: [1380] 1380,92 unequal: No Solution Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,92 unequal: No Solution Exploring Operation: 46+30=76, Resulting Numbers: [76] 76,92 unequal: No Solution No 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: 92:[11, 27], Operations: ['84-65=19', '46-19=27'] Exploring Operation: 11*27=297, Resulting Numbers: [297] 297,92 unequal: No Solution Exploring Operation: 11+27=38, Resulting Numbers: [38] 38,92 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,92 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: 92:[46, 84, 54], Operations: ['65-11=54'] Exploring Operation: 84-54=30, Resulting Numbers: [46, 30] Generated Node #0,2,0: 92:[46, 30] Operation: 84-54=30 Exploring Operation: 84-46=38, Resulting Numbers: [54, 38] Generated Node #0,2,1: 92:[54, 38] Operation: 84-46=38 Exploring Operation: 54-46=8, Resulting Numbers: [84, 8] Generated Node #0,2,2: 92:[84, 8] Operation: 54-46=8 Moving to Node #0,2,0 Current State: 92:[46, 30], Operations: ['65-11=54', '84-54=30'] Exploring Operation: 46*30=1380, Resulting Numbers: [1380] 1380,92 unequal: No Solution Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,92 unequal: No Solution Exploring Operation: 46+30=76, Resulting Numbers: [76] 76,92 unequal: No Solution Moving to Node #0,2,2 Current State: 92:[84, 8], Operations: ['65-11=54', '54-46=8'] Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,92 unequal: No Solution Exploring Operation: 84+8=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[46, 11, 65, 84], Operations: [] Exploring Operation: 65-11=54, Resulting Numbers: [46, 84, 54] Generated Node #0,2: 92:[46, 84, 54] Operation: 65-11=54 Moving to Node #0,2 Current State: 92:[46, 84, 54], Operations: ['65-11=54'] Exploring Operation: 54-46=8, Resulting Numbers: [84, 8] Generated Node #0,2,2: 92:[84, 8] Operation: 54-46=8 Moving to Node #0,2,2 Current State: 92:[84, 8], Operations: ['65-11=54', '54-46=8'] Exploring Operation: 84+8=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
sum_heuristic
[ 96, 89, 22, 68 ]
53
[ "96-89=7", "68-22=46", "7+46=53" ]
Current State: 53:[96, 89, 22, 68], Operations: [] Exploring Operation: 96-89=7, Resulting Numbers: [22, 68, 7] Generated Node #2: [22, 68, 7] from Operation: 96-89=7 Current State: 53:[22, 68, 7], Operations: ['96-89=7'] Exploring Operation: 68-22=46, Resulting Numbers: [7, 46] Generated Node #3: [7, 46] from Operation: 68-22=46 Current State: 53:[7, 46], Operations: ['96-89=7', '68-22=46'] Exploring Operation: 7+46=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[96, 89, 22, 68], Operations: [] Exploring Operation: 96-22=74, Resulting Numbers: [89, 68, 74] Generated Node #0,0: 53:[89, 68, 74] Operation: 96-22=74 Exploring Operation: 89-22=67, Resulting Numbers: [96, 68, 67] Generated Node #0,1: 53:[96, 68, 67] Operation: 89-22=67 Exploring Operation: 96-89=7, Resulting Numbers: [22, 68, 7] Generated Node #0,2: 53:[22, 68, 7] Operation: 96-89=7 Exploring Operation: 68-22=46, Resulting Numbers: [96, 89, 46] Generated Node #0,3: 53:[96, 89, 46] Operation: 68-22=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[89, 68, 74], Operations: ['96-22=74'] Exploring Operation: 89-68=21, Resulting Numbers: [74, 21] Generated Node #0,0,0: 53:[74, 21] Operation: 89-68=21 Exploring Operation: 89-74=15, Resulting Numbers: [68, 15] Generated Node #0,0,1: 53:[68, 15] Operation: 89-74=15 Exploring Operation: 74-68=6, Resulting Numbers: [89, 6] Generated Node #0,0,2: 53:[89, 6] Operation: 74-68=6 Exploring Operation: 89+68=157, Resulting Numbers: [74, 157] Generated Node #0,0,3: 53:[74, 157] Operation: 89+68=157 Moving to Node #0,0,0 Current State: 53:[74, 21], Operations: ['96-22=74', '89-68=21'] Exploring Operation: 74-21=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[96, 89, 22, 68], Operations: [] Exploring Operation: 96-22=74, Resulting Numbers: [89, 68, 74] Generated Node #0,0: 53:[89, 68, 74] Operation: 96-22=74 Moving to Node #0,0 Current State: 53:[89, 68, 74], Operations: ['96-22=74'] Exploring Operation: 89-68=21, Resulting Numbers: [74, 21] Generated Node #0,0,0: 53:[74, 21] Operation: 89-68=21 Moving to Node #0,0,0 Current State: 53:[74, 21], Operations: ['96-22=74', '89-68=21'] Exploring Operation: 74-21=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 80, 90, 75, 3 ]
21
[ "80-75=5", "90/5=18", "3+18=21" ]
Current State: 21:[80, 90, 75, 3], Operations: [] Exploring Operation: 80-75=5, Resulting Numbers: [90, 3, 5] Generated Node #2: [90, 3, 5] from Operation: 80-75=5 Current State: 21:[90, 3, 5], Operations: ['80-75=5'] Exploring Operation: 90/5=18, Resulting Numbers: [3, 18] Generated Node #3: [3, 18] from Operation: 90/5=18 Current State: 21:[3, 18], Operations: ['80-75=5', '90/5=18'] Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[80, 90, 75, 3], Operations: [] Exploring Operation: 90-75=15, Resulting Numbers: [80, 3, 15] Generated Node #0,0: 21:[80, 3, 15] Operation: 90-75=15 Exploring Operation: 90-80=10, Resulting Numbers: [75, 3, 10] Generated Node #0,1: 21:[75, 3, 10] Operation: 90-80=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[75, 3, 10], Operations: ['90-80=10'] Exploring Operation: 75-10=65, Resulting Numbers: [3, 65] Generated Node #0,1,0: 21:[3, 65] Operation: 75-10=65 Exploring Operation: 75/3=25, Resulting Numbers: [10, 25] Generated Node #0,1,1: 21:[10, 25] Operation: 75/3=25 Moving to Node #0,1,1 Current State: 21:[10, 25], Operations: ['90-80=10', '75/3=25'] Exploring Operation: 10+25=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,21 unequal: No Solution Moving to Node #0,1,0 Current State: 21:[3, 65], Operations: ['90-80=10', '75-10=65'] Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,21 unequal: No Solution Exploring Operation: 3+65=68, Resulting Numbers: [68] 68,21 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 Current State: 21:[80, 3, 15], Operations: ['90-75=15'] Exploring Operation: 80-15=65, Resulting Numbers: [3, 65] Generated Node #0,0,0: 21:[3, 65] Operation: 80-15=65 Exploring Operation: 15/3=5, Resulting Numbers: [80, 5] Generated Node #0,0,1: 21:[80, 5] Operation: 15/3=5 Moving to Node #0,0,0 Current State: 21:[3, 65], Operations: ['90-75=15', '80-15=65'] Exploring Operation: 3+65=68, Resulting Numbers: [68] 68,21 unequal: No Solution Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,21 unequal: No Solution Moving to Node #0,0,1 Current State: 21:[80, 5], Operations: ['90-75=15', '15/3=5'] Exploring Operation: 80/5=16, Resulting Numbers: [16] 16,21 unequal: No Solution Exploring Operation: 80-5=75, Resulting Numbers: [75] 75,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 27, 84, 27, 2 ]
86
[ "27+84=111", "27-2=25", "111-25=86" ]
Current State: 86:[27, 84, 27, 2], Operations: [] Exploring Operation: 27+84=111, Resulting Numbers: [2, 111] Generated Node #2: [2, 111] from Operation: 27+84=111 Current State: 86:[2, 111], Operations: ['27+84=111'] Exploring Operation: 27-2=25, Resulting Numbers: [111, 25] Generated Node #3: [111, 25] from Operation: 27-2=25 Current State: 86:[111, 25], Operations: ['27+84=111', '27-2=25'] Exploring Operation: 111-25=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[27, 84, 27, 2], Operations: [] Exploring Operation: 27+27=54, Resulting Numbers: [84, 2, 54] Generated Node #0,0: 86:[84, 2, 54] Operation: 27+27=54 Exploring Operation: 27*2=54, Resulting Numbers: [84, 27, 54] Generated Node #0,1: 86:[84, 27, 54] Operation: 27*2=54 Exploring Operation: 27-27=0, Resulting Numbers: [84, 2, 0] Generated Node #0,2: 86:[84, 2, 0] Operation: 27-27=0 Exploring Operation: 27/27=1, Resulting Numbers: [84, 2, 1] Generated Node #0,3: 86:[84, 2, 1] Operation: 27/27=1 Moving to Node #0,3 Current State: 86:[84, 2, 1], Operations: ['27/27=1'] Exploring Operation: 84/2=42, Resulting Numbers: [1, 42] Generated Node #0,3,0: 86:[1, 42] Operation: 84/2=42 Exploring Operation: 84+2=86, Resulting Numbers: [1, 86] Generated Node #0,3,1: 86:[1, 86] Operation: 84+2=86 Exploring Operation: 84*1=84, Resulting Numbers: [2, 84] Generated Node #0,3,2: 86:[2, 84] Operation: 84*1=84 Exploring Operation: 84+1=85, Resulting Numbers: [2, 85] Generated Node #0,3,3: 86:[2, 85] Operation: 84+1=85 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 86:[1, 86], Operations: ['27/27=1', '84+2=86'] Exploring Operation: 1+86=87, Resulting Numbers: [87] 87,86 unequal: No Solution Exploring Operation: 1*86=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[27, 84, 27, 2], Operations: [] Exploring Operation: 27/27=1, Resulting Numbers: [84, 2, 1] Generated Node #0,3: 86:[84, 2, 1] Operation: 27/27=1 Moving to Node #0,3 Current State: 86:[84, 2, 1], Operations: ['27/27=1'] Exploring Operation: 84+2=86, Resulting Numbers: [1, 86] Generated Node #0,3,1: 86:[1, 86] Operation: 84+2=86 Moving to Node #0,3,1 Current State: 86:[1, 86], Operations: ['27/27=1', '84+2=86'] Exploring Operation: 1*86=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 73, 22, 82, 75 ]
88
[ "73+22=95", "82-75=7", "95-7=88" ]
Current State: 88:[73, 22, 82, 75], Operations: [] Exploring Operation: 73+22=95, Resulting Numbers: [82, 75, 95] Generated Node #2: [82, 75, 95] from Operation: 73+22=95 Current State: 88:[82, 75, 95], Operations: ['73+22=95'] Exploring Operation: 82-75=7, Resulting Numbers: [95, 7] Generated Node #3: [95, 7] from Operation: 82-75=7 Current State: 88:[95, 7], Operations: ['73+22=95', '82-75=7'] Exploring Operation: 95-7=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[73, 22, 82, 75], Operations: [] Exploring Operation: 75-73=2, Resulting Numbers: [22, 82, 2] Generated Node #0,0: 88:[22, 82, 2] Operation: 75-73=2 Moving to Node #0,0 Current State: 88:[22, 82, 2], Operations: ['75-73=2'] Exploring Operation: 82/2=41, Resulting Numbers: [22, 41] Generated Node #0,0,0: 88:[22, 41] Operation: 82/2=41 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[22, 41], Operations: ['75-73=2', '82/2=41'] Exploring Operation: 41-22=19, Resulting Numbers: [19] 19,88 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
[ 58, 8, 6, 32 ]
23
[ "58+32=90", "90/6=15", "8+15=23" ]
Current State: 23:[58, 8, 6, 32], Operations: [] Exploring Operation: 58+32=90, Resulting Numbers: [8, 6, 90] Generated Node #2: [8, 6, 90] from Operation: 58+32=90 Current State: 23:[8, 6, 90], Operations: ['58+32=90'] Exploring Operation: 90/6=15, Resulting Numbers: [8, 15] Generated Node #3: [8, 15] from Operation: 90/6=15 Current State: 23:[8, 15], Operations: ['58+32=90', '90/6=15'] Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[58, 8, 6, 32], Operations: [] Exploring Operation: 58-6=52, Resulting Numbers: [8, 32, 52] Generated Node #0,0: 23:[8, 32, 52] Operation: 58-6=52 Exploring Operation: 58-32=26, Resulting Numbers: [8, 6, 26] Generated Node #0,1: 23:[8, 6, 26] Operation: 58-32=26 Exploring Operation: 8+6=14, Resulting Numbers: [58, 32, 14] Generated Node #0,2: 23:[58, 32, 14] Operation: 8+6=14 Exploring Operation: 58-8=50, Resulting Numbers: [6, 32, 50] Generated Node #0,3: 23:[6, 32, 50] Operation: 58-8=50 Moving to Node #0,1 Current State: 23:[8, 6, 26], Operations: ['58-32=26'] Exploring Operation: 26-6=20, Resulting Numbers: [8, 20] Generated Node #0,1,0: 23:[8, 20] Operation: 26-6=20 Exploring Operation: 26-8=18, Resulting Numbers: [6, 18] Generated Node #0,1,1: 23:[6, 18] Operation: 26-8=18 Exploring Operation: 8+6=14, Resulting Numbers: [26, 14] Generated Node #0,1,2: 23:[26, 14] Operation: 8+6=14 Exploring Operation: 8-6=2, Resulting Numbers: [26, 2] Generated Node #0,1,3: 23:[26, 2] Operation: 8-6=2 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 23:[26, 14], Operations: ['58-32=26', '8+6=14'] Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 26+14=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 26*14=364, Resulting Numbers: [364] 364,23 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:[8, 20], Operations: ['58-32=26', '26-6=20'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 8+20=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 8*20=160, Resulting Numbers: [160] 160,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[6, 18], Operations: ['58-32=26', '26-8=18'] Exploring Operation: 6*18=108, Resulting Numbers: [108] 108,23 unequal: No Solution Exploring Operation: 6+18=24, Resulting Numbers: [24] 24,23 unequal: No Solution Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,23 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 #0,1,3 Current State: 23:[26, 2], Operations: ['58-32=26', '8-6=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,23 unequal: No Solution Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,23 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 23:[58, 32, 14], Operations: ['8+6=14'] Exploring Operation: 32-14=18, Resulting Numbers: [58, 18] Generated Node #0,2,0: 23:[58, 18] Operation: 32-14=18 Exploring Operation: 58-14=44, Resulting Numbers: [32, 44] Generated Node #0,2,1: 23:[32, 44] Operation: 58-14=44 Exploring Operation: 58+14=72, Resulting Numbers: [32, 72] Generated Node #0,2,2: 23:[32, 72] Operation: 58+14=72 Exploring Operation: 58-32=26, Resulting Numbers: [14, 26] Generated Node #0,2,3: 23:[14, 26] Operation: 58-32=26 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 23:[14, 26], Operations: ['8+6=14', '58-32=26'] Exploring Operation: 14+26=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 14*26=364, Resulting Numbers: [364] 364,23 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 #0,2,1 Current State: 23:[32, 44], Operations: ['8+6=14', '58-14=44'] Exploring Operation: 44-32=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 32*44=1408, Resulting Numbers: [1408] 1408,23 unequal: No Solution Exploring Operation: 32+44=76, Resulting Numbers: [76] 76,23 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 #0,2,0 Current State: 23:[58, 18], Operations: ['8+6=14', '32-14=18'] Exploring Operation: 58*18=1044, Resulting Numbers: [1044] 1044,23 unequal: No Solution Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 58+18=76, Resulting Numbers: [76] 76,23 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 #0,2,2 Current State: 23:[32, 72], Operations: ['8+6=14', '58+14=72'] Exploring Operation: 72-32=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 32+72=104, Resulting Numbers: [104] 104,23 unequal: No Solution Exploring Operation: 32*72=2304, Resulting Numbers: [2304] 2304,23 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: 23:[8, 32, 52], Operations: ['58-6=52'] Exploring Operation: 52-8=44, Resulting Numbers: [32, 44] Generated Node #0,0,0: 23:[32, 44] Operation: 52-8=44 Exploring Operation: 8+32=40, Resulting Numbers: [52, 40] Generated Node #0,0,1: 23:[52, 40] Operation: 8+32=40 Exploring Operation: 52-32=20, Resulting Numbers: [8, 20] Generated Node #0,0,2: 23:[8, 20] Operation: 52-32=20 Exploring Operation: 32-8=24, Resulting Numbers: [52, 24] Generated Node #0,0,3: 23:[52, 24] Operation: 32-8=24 Moving to Node #0,3 Current State: 23:[6, 32, 50], Operations: ['58-8=50'] Exploring Operation: 32-6=26, Resulting Numbers: [50, 26] Generated Node #0,3,0: 23:[50, 26] Operation: 32-6=26 Exploring Operation: 50-6=44, Resulting Numbers: [32, 44] Generated Node #0,3,1: 23:[32, 44] Operation: 50-6=44 Exploring Operation: 50-32=18, Resulting Numbers: [6, 18] Generated Node #0,3,2: 23:[6, 18] Operation: 50-32=18 Exploring Operation: 6+32=38, Resulting Numbers: [50, 38] Generated Node #0,3,3: 23:[50, 38] Operation: 6+32=38 Moving to Node #0,0,2 Current State: 23:[8, 20], Operations: ['58-6=52', '52-32=20'] Exploring Operation: 8*20=160, Resulting Numbers: [160] 160,23 unequal: No Solution Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 8+20=28, Resulting Numbers: [28] 28,23 unequal: No Solution Moving to Node #0,3,2 Current State: 23:[6, 18], Operations: ['58-8=50', '50-32=18'] Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 6+18=24, Resulting Numbers: [24] 24,23 unequal: No Solution Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 6*18=108, Resulting Numbers: [108] 108,23 unequal: No Solution Moving to Node #0,0,3 Current State: 23:[52, 24], Operations: ['58-6=52', '32-8=24'] Exploring Operation: 52*24=1248, Resulting Numbers: [1248] 1248,23 unequal: No Solution Exploring Operation: 52-24=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 52+24=76, Resulting Numbers: [76] 76,23 unequal: No Solution Moving to Node #0,3,0 Current State: 23:[50, 26], Operations: ['58-8=50', '32-6=26'] Exploring Operation: 50*26=1300, Resulting Numbers: [1300] 1300,23 unequal: No Solution Exploring Operation: 50+26=76, Resulting Numbers: [76] 76,23 unequal: No Solution Exploring Operation: 50-26=24, Resulting Numbers: [24] 24,23 unequal: No Solution Moving to Node #0,3,1 Current State: 23:[32, 44], Operations: ['58-8=50', '50-6=44'] Exploring Operation: 44-32=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 32+44=76, Resulting Numbers: [76] 76,23 unequal: No Solution Exploring Operation: 32*44=1408, Resulting Numbers: [1408] 1408,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[32, 44], Operations: ['58-6=52', '52-8=44'] Exploring Operation: 32*44=1408, Resulting Numbers: [1408] 1408,23 unequal: No Solution Exploring Operation: 32+44=76, Resulting Numbers: [76] 76,23 unequal: No Solution Exploring Operation: 44-32=12, Resulting Numbers: [12] 12,23 unequal: No Solution Moving to Node #0,3,3 Current State: 23:[50, 38], Operations: ['58-8=50', '6+32=38'] Exploring Operation: 50+38=88, Resulting Numbers: [88] 88,23 unequal: No Solution Exploring Operation: 50-38=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 50*38=1900, Resulting Numbers: [1900] 1900,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[52, 40], Operations: ['58-6=52', '8+32=40'] Exploring Operation: 52+40=92, Resulting Numbers: [92] 92,23 unequal: No Solution Exploring Operation: 52-40=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 52*40=2080, Resulting Numbers: [2080] 2080,23 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 72, 81, 50, 73 ]
59
[ "81-73=8", "72/8=9", "50+9=59" ]
Current State: 59:[72, 81, 50, 73], Operations: [] Exploring Operation: 81-73=8, Resulting Numbers: [72, 50, 8] Generated Node #2: [72, 50, 8] from Operation: 81-73=8 Current State: 59:[72, 50, 8], Operations: ['81-73=8'] Exploring Operation: 72/8=9, Resulting Numbers: [50, 9] Generated Node #3: [50, 9] from Operation: 72/8=9 Current State: 59:[50, 9], Operations: ['81-73=8', '72/8=9'] Exploring Operation: 50+9=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[72, 81, 50, 73], Operations: [] Exploring Operation: 72-50=22, Resulting Numbers: [81, 73, 22] Generated Node #0,0: 59:[81, 73, 22] Operation: 72-50=22 Exploring Operation: 73-50=23, Resulting Numbers: [72, 81, 23] Generated Node #0,1: 59:[72, 81, 23] Operation: 73-50=23 Exploring Operation: 81-72=9, Resulting Numbers: [50, 73, 9] Generated Node #0,2: 59:[50, 73, 9] Operation: 81-72=9 Exploring Operation: 81-50=31, Resulting Numbers: [72, 73, 31] Generated Node #0,3: 59:[72, 73, 31] Operation: 81-50=31 Moving to Node #0,3 Current State: 59:[72, 73, 31], Operations: ['81-50=31'] Exploring Operation: 73-31=42, Resulting Numbers: [72, 42] Generated Node #0,3,0: 59:[72, 42] Operation: 73-31=42 Exploring Operation: 72-31=41, Resulting Numbers: [73, 41] Generated Node #0,3,1: 59:[73, 41] Operation: 72-31=41 Exploring Operation: 72+31=103, Resulting Numbers: [73, 103] Generated Node #0,3,2: 59:[73, 103] Operation: 72+31=103 Exploring Operation: 73+31=104, Resulting Numbers: [72, 104] Generated Node #0,3,3: 59:[72, 104] Operation: 73+31=104 Moving to Node #0,1 Current State: 59:[72, 81, 23], Operations: ['73-50=23'] Exploring Operation: 72-23=49, Resulting Numbers: [81, 49] Generated Node #0,1,0: 59:[81, 49] Operation: 72-23=49 Exploring Operation: 81+23=104, Resulting Numbers: [72, 104] Generated Node #0,1,1: 59:[72, 104] Operation: 81+23=104 Exploring Operation: 81-23=58, Resulting Numbers: [72, 58] Generated Node #0,1,2: 59:[72, 58] Operation: 81-23=58 Exploring Operation: 72+23=95, Resulting Numbers: [81, 95] Generated Node #0,1,3: 59:[81, 95] Operation: 72+23=95 Moving to Node #0,2 Current State: 59:[50, 73, 9], Operations: ['81-72=9'] Exploring Operation: 50-9=41, Resulting Numbers: [73, 41] Generated Node #0,2,0: 59:[73, 41] Operation: 50-9=41 Exploring Operation: 73-9=64, Resulting Numbers: [50, 64] Generated Node #0,2,1: 59:[50, 64] Operation: 73-9=64 Exploring Operation: 50+9=59, Resulting Numbers: [73, 59] Generated Node #0,2,2: 59:[73, 59] Operation: 50+9=59 Exploring Operation: 73+9=82, Resulting Numbers: [50, 82] Generated Node #0,2,3: 59:[50, 82] Operation: 73+9=82 Moving to Node #0,0 Current State: 59:[81, 73, 22], Operations: ['72-50=22'] Exploring Operation: 81-22=59, Resulting Numbers: [73, 59] Generated Node #0,0,0: 59:[73, 59] Operation: 81-22=59 Exploring Operation: 81+22=103, Resulting Numbers: [73, 103] Generated Node #0,0,1: 59:[73, 103] Operation: 81+22=103 Exploring Operation: 73-22=51, Resulting Numbers: [81, 51] Generated Node #0,0,2: 59:[81, 51] Operation: 73-22=51 Exploring Operation: 73+22=95, Resulting Numbers: [81, 95] Generated Node #0,0,3: 59:[81, 95] Operation: 73+22=95 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[73, 59], Operations: ['72-50=22', '81-22=59'] Exploring Operation: 73*59=4307, Resulting Numbers: [4307] 4307,59 unequal: No Solution Exploring Operation: 73+59=132, Resulting Numbers: [132] 132,59 unequal: No Solution Exploring Operation: 73-59=14, Resulting Numbers: [14] 14,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 59:[81, 51], Operations: ['72-50=22', '73-22=51'] Exploring Operation: 81+51=132, Resulting Numbers: [132] 132,59 unequal: No Solution Exploring Operation: 81-51=30, Resulting Numbers: [30] 30,59 unequal: No Solution Exploring Operation: 81*51=4131, Resulting Numbers: [4131] 4131,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 59:[73, 103], Operations: ['72-50=22', '81+22=103'] Exploring Operation: 73+103=176, Resulting Numbers: [176] 176,59 unequal: No Solution Exploring Operation: 73*103=7519, Resulting Numbers: [7519] 7519,59 unequal: No Solution Exploring Operation: 103-73=30, Resulting Numbers: [30] 30,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 59:[81, 95], Operations: ['72-50=22', '73+22=95'] Exploring Operation: 81*95=7695, Resulting Numbers: [7695] 7695,59 unequal: No Solution Exploring Operation: 95-81=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 81+95=176, Resulting Numbers: [176] 176,59 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: 59:[72, 58], Operations: ['73-50=23', '81-23=58'] Exploring Operation: 72+58=130, Resulting Numbers: [130] 130,59 unequal: No Solution Exploring Operation: 72*58=4176, Resulting Numbers: [4176] 4176,59 unequal: No Solution Exploring Operation: 72-58=14, Resulting Numbers: [14] 14,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[50, 64], Operations: ['81-72=9', '73-9=64'] Exploring Operation: 50+64=114, Resulting Numbers: [114] 114,59 unequal: No Solution Exploring Operation: 64-50=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 50*64=3200, Resulting Numbers: [3200] 3200,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[73, 59], Operations: ['81-72=9', '50+9=59'] Exploring Operation: 73*59=4307, Resulting Numbers: [4307] 4307,59 unequal: No Solution Exploring Operation: 73+59=132, Resulting Numbers: [132] 132,59 unequal: No Solution Exploring Operation: 73-59=14, Resulting Numbers: [14] 14,59 unequal: No Solution Moving to Node #0,3,0 Current State: 59:[72, 42], Operations: ['81-50=31', '73-31=42'] Exploring Operation: 72-42=30, Resulting Numbers: [30] 30,59 unequal: No Solution Exploring Operation: 72+42=114, Resulting Numbers: [114] 114,59 unequal: No Solution Exploring Operation: 72*42=3024, Resulting Numbers: [3024] 3024,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[81, 49], Operations: ['73-50=23', '72-23=49'] Exploring Operation: 81+49=130, Resulting Numbers: [130] 130,59 unequal: No Solution Exploring Operation: 81*49=3969, Resulting Numbers: [3969] 3969,59 unequal: No Solution Exploring Operation: 81-49=32, Resulting Numbers: [32] 32,59 unequal: No Solution Moving to Node #0,2,3 Current State: 59:[50, 82], Operations: ['81-72=9', '73+9=82'] Exploring Operation: 50+82=132, Resulting Numbers: [132] 132,59 unequal: No Solution Exploring Operation: 82-50=32, Resulting Numbers: [32] 32,59 unequal: No Solution Exploring Operation: 50*82=4100, Resulting Numbers: [4100] 4100,59 unequal: No Solution Moving to Node #0,2,0 Current State: 59:[73, 41], Operations: ['81-72=9', '50-9=41'] Exploring Operation: 73+41=114, Resulting Numbers: [114] 114,59 unequal: No Solution Exploring Operation: 73*41=2993, Resulting Numbers: [2993] 2993,59 unequal: No Solution Exploring Operation: 73-41=32, Resulting Numbers: [32] 32,59 unequal: No Solution Moving to Node #0,3,1 Current State: 59:[73, 41], Operations: ['81-50=31', '72-31=41'] Exploring Operation: 73+41=114, Resulting Numbers: [114] 114,59 unequal: No Solution Exploring Operation: 73-41=32, Resulting Numbers: [32] 32,59 unequal: No Solution Exploring Operation: 73*41=2993, Resulting Numbers: [2993] 2993,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[72, 104], Operations: ['73-50=23', '81+23=104'] Exploring Operation: 72+104=176, Resulting Numbers: [176] 176,59 unequal: No Solution Exploring Operation: 72*104=7488, Resulting Numbers: [7488] 7488,59 unequal: No Solution Exploring Operation: 104-72=32, Resulting Numbers: [32] 32,59 unequal: No Solution Moving to Node #0,3,2 Current State: 59:[73, 103], Operations: ['81-50=31', '72+31=103'] Exploring Operation: 73*103=7519, Resulting Numbers: [7519] 7519,59 unequal: No Solution Exploring Operation: 103-73=30, Resulting Numbers: [30] 30,59 unequal: No Solution Exploring Operation: 73+103=176, Resulting Numbers: [176] 176,59 unequal: No Solution Moving to Node #0,1,3 Current State: 59:[81, 95], Operations: ['73-50=23', '72+23=95'] Exploring Operation: 95-81=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 81+95=176, Resulting Numbers: [176] 176,59 unequal: No Solution Exploring Operation: 81*95=7695, Resulting Numbers: [7695] 7695,59 unequal: No Solution Moving to Node #0,3,3 Current State: 59:[72, 104], Operations: ['81-50=31', '73+31=104'] Exploring Operation: 72*104=7488, Resulting Numbers: [7488] 7488,59 unequal: No Solution Exploring Operation: 104-72=32, Resulting Numbers: [32] 32,59 unequal: No Solution Exploring Operation: 72+104=176, Resulting Numbers: [176] 176,59 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 54, 48, 12, 74 ]
16
[ "54+48=102", "12+74=86", "102-86=16" ]
Current State: 16:[54, 48, 12, 74], Operations: [] Exploring Operation: 54+48=102, Resulting Numbers: [12, 74, 102] Generated Node #2: [12, 74, 102] from Operation: 54+48=102 Current State: 16:[12, 74, 102], Operations: ['54+48=102'] Exploring Operation: 12+74=86, Resulting Numbers: [102, 86] Generated Node #3: [102, 86] from Operation: 12+74=86 Current State: 16:[102, 86], Operations: ['54+48=102', '12+74=86'] Exploring Operation: 102-86=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[54, 48, 12, 74], Operations: [] Exploring Operation: 54-12=42, Resulting Numbers: [48, 74, 42] Generated Node #0,0: 16:[48, 74, 42] Operation: 54-12=42 Exploring Operation: 48/12=4, Resulting Numbers: [54, 74, 4] Generated Node #0,1: 16:[54, 74, 4] Operation: 48/12=4 Exploring Operation: 74-48=26, Resulting Numbers: [54, 12, 26] Generated Node #0,2: 16:[54, 12, 26] Operation: 74-48=26 Exploring Operation: 74-54=20, Resulting Numbers: [48, 12, 20] Generated Node #0,3: 16:[48, 12, 20] Operation: 74-54=20 Exploring Operation: 54-48=6, Resulting Numbers: [12, 74, 6] Generated Node #0,4: 16:[12, 74, 6] Operation: 54-48=6 Start Sub Search at level 1: Moving to Node #0,3 Current State: 16:[48, 12, 20], Operations: ['74-54=20'] Exploring Operation: 20-12=8, Resulting Numbers: [48, 8] Generated Node #0,3,0: 16:[48, 8] Operation: 20-12=8 Exploring Operation: 48-20=28, Resulting Numbers: [12, 28] Generated Node #0,3,1: 16:[12, 28] Operation: 48-20=28 Exploring Operation: 48/12=4, Resulting Numbers: [20, 4] Generated Node #0,3,2: 16:[20, 4] Operation: 48/12=4 Exploring Operation: 48-12=36, Resulting Numbers: [20, 36] Generated Node #0,3,3: 16:[20, 36] Operation: 48-12=36 Exploring Operation: 48+12=60, Resulting Numbers: [20, 60] Generated Node #0,3,4: 16:[20, 60] Operation: 48+12=60 Moving to Node #0,3,2 Current State: 16:[20, 4], Operations: ['74-54=20', '48/12=4'] Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,16 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,16 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[54, 48, 12, 74], Operations: [] Exploring Operation: 74-54=20, Resulting Numbers: [48, 12, 20] Generated Node #0,3: 16:[48, 12, 20] Operation: 74-54=20 Moving to Node #0,3 Current State: 16:[48, 12, 20], Operations: ['74-54=20'] Exploring Operation: 48/12=4, Resulting Numbers: [20, 4] Generated Node #0,3,2: 16:[20, 4] Operation: 48/12=4 Moving to Node #0,3,2 Current State: 16:[20, 4], Operations: ['74-54=20', '48/12=4'] Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 3, 80, 23, 99 ]
70
[ "99/3=33", "80+23=103", "103-33=70" ]
Current State: 70:[3, 80, 23, 99], Operations: [] Exploring Operation: 99/3=33, Resulting Numbers: [80, 23, 33] Generated Node #2: [80, 23, 33] from Operation: 99/3=33 Current State: 70:[80, 23, 33], Operations: ['99/3=33'] Exploring Operation: 80+23=103, Resulting Numbers: [33, 103] Generated Node #3: [33, 103] from Operation: 80+23=103 Current State: 70:[33, 103], Operations: ['99/3=33', '80+23=103'] Exploring Operation: 103-33=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[3, 80, 23, 99], Operations: [] Exploring Operation: 99-80=19, Resulting Numbers: [3, 23, 19] Generated Node #0,0: 70:[3, 23, 19] Operation: 99-80=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[3, 23, 19], Operations: ['99-80=19'] Exploring Operation: 23-19=4, Resulting Numbers: [3, 4] Generated Node #0,0,0: 70:[3, 4] Operation: 23-19=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 70:[3, 4], Operations: ['99-80=19', '23-19=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,70 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_1
mult_heuristic
[ 6, 2, 99, 35 ]
41
[ "6-2=4", "35*4=140", "140-99=41" ]
Current State: 41:[6, 2, 99, 35], Operations: [] Exploring Operation: 6-2=4, Resulting Numbers: [99, 35, 4] Generated Node #2: [99, 35, 4] from Operation: 6-2=4 Current State: 41:[99, 35, 4], Operations: ['6-2=4'] Exploring Operation: 35*4=140, Resulting Numbers: [99, 140] Generated Node #3: [99, 140] from Operation: 35*4=140 Current State: 41:[99, 140], Operations: ['6-2=4', '35*4=140'] Exploring Operation: 140-99=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[6, 2, 99, 35], Operations: [] Exploring Operation: 99-6=93, Resulting Numbers: [2, 35, 93] Generated Node #0,0: 41:[2, 35, 93] Operation: 99-6=93 Exploring Operation: 6+35=41, Resulting Numbers: [2, 99, 41] Generated Node #0,1: 41:[2, 99, 41] Operation: 6+35=41 Exploring Operation: 6*2=12, Resulting Numbers: [99, 35, 12] Generated Node #0,2: 41:[99, 35, 12] Operation: 6*2=12 Exploring Operation: 6+2=8, Resulting Numbers: [99, 35, 8] Generated Node #0,3: 41:[99, 35, 8] Operation: 6+2=8 Start Sub Search at level 1: Moving to Node #0,2 Current State: 41:[99, 35, 12], Operations: ['6*2=12'] Exploring Operation: 99-12=87, Resulting Numbers: [35, 87] Generated Node #0,2,0: 41:[35, 87] Operation: 99-12=87 Exploring Operation: 99-35=64, Resulting Numbers: [12, 64] Generated Node #0,2,1: 41:[12, 64] Operation: 99-35=64 Exploring Operation: 99+12=111, Resulting Numbers: [35, 111] Generated Node #0,2,2: 41:[35, 111] Operation: 99+12=111 Exploring Operation: 35+12=47, Resulting Numbers: [99, 47] Generated Node #0,2,3: 41:[99, 47] Operation: 35+12=47 Moving to Node #0,2,0 Current State: 41:[35, 87], Operations: ['6*2=12', '99-12=87'] Exploring Operation: 87-35=52, Resulting Numbers: [52] 52,41 unequal: No Solution Exploring Operation: 35*87=3045, Resulting Numbers: [3045] 3045,41 unequal: No Solution Exploring Operation: 35+87=122, Resulting Numbers: [122] 122,41 unequal: No Solution Moving to Node #0,2,1 Current State: 41:[12, 64], Operations: ['6*2=12', '99-35=64'] Exploring Operation: 12+64=76, Resulting Numbers: [76] 76,41 unequal: No Solution Exploring Operation: 12*64=768, Resulting Numbers: [768] 768,41 unequal: No Solution Exploring Operation: 64-12=52, Resulting Numbers: [52] 52,41 unequal: No Solution Moving to Node #0,2,3 Current State: 41:[99, 47], Operations: ['6*2=12', '35+12=47'] Exploring Operation: 99*47=4653, Resulting Numbers: [4653] 4653,41 unequal: No Solution Exploring Operation: 99-47=52, Resulting Numbers: [52] 52,41 unequal: No Solution Exploring Operation: 99+47=146, Resulting Numbers: [146] 146,41 unequal: No Solution Moving to Node #0,2,2 Current State: 41:[35, 111], Operations: ['6*2=12', '99+12=111'] Exploring Operation: 35*111=3885, Resulting Numbers: [3885] 3885,41 unequal: No Solution Exploring Operation: 35+111=146, Resulting Numbers: [146] 146,41 unequal: No Solution Exploring Operation: 111-35=76, Resulting Numbers: [76] 76,41 unequal: No Solution No 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: 41:[2, 35, 93], Operations: ['99-6=93'] Exploring Operation: 35-2=33, Resulting Numbers: [93, 33] Generated Node #0,0,0: 41:[93, 33] Operation: 35-2=33 Exploring Operation: 93-2=91, Resulting Numbers: [35, 91] Generated Node #0,0,1: 41:[35, 91] Operation: 93-2=91 Exploring Operation: 93-35=58, Resulting Numbers: [2, 58] Generated Node #0,0,2: 41:[2, 58] Operation: 93-35=58 Exploring Operation: 2+35=37, Resulting Numbers: [93, 37] Generated Node #0,0,3: 41:[93, 37] Operation: 2+35=37 Moving to Node #0,0,1 Current State: 41:[35, 91], Operations: ['99-6=93', '93-2=91'] Exploring Operation: 91-35=56, Resulting Numbers: [56] 56,41 unequal: No Solution Exploring Operation: 35+91=126, Resulting Numbers: [126] 126,41 unequal: No Solution Exploring Operation: 35*91=3185, Resulting Numbers: [3185] 3185,41 unequal: No Solution Moving to Node #0,0,3 Current State: 41:[93, 37], Operations: ['99-6=93', '2+35=37'] Exploring Operation: 93*37=3441, Resulting Numbers: [3441] 3441,41 unequal: No Solution Exploring Operation: 93-37=56, Resulting Numbers: [56] 56,41 unequal: No Solution Exploring Operation: 93+37=130, Resulting Numbers: [130] 130,41 unequal: No Solution Moving to Node #0,0,2 Current State: 41:[2, 58], Operations: ['99-6=93', '93-35=58'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,41 unequal: No Solution Exploring Operation: 2*58=116, Resulting Numbers: [116] 116,41 unequal: No Solution Exploring Operation: 2+58=60, Resulting Numbers: [60] 60,41 unequal: No Solution Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,41 unequal: No Solution Moving to Node #0,0,0 Current State: 41:[93, 33], Operations: ['99-6=93', '35-2=33'] Exploring Operation: 93-33=60, Resulting Numbers: [60] 60,41 unequal: No Solution Exploring Operation: 93+33=126, Resulting Numbers: [126] 126,41 unequal: No Solution Exploring Operation: 93*33=3069, Resulting Numbers: [3069] 3069,41 unequal: No Solution No 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: 41:[2, 99, 41], Operations: ['6+35=41'] Exploring Operation: 2+41=43, Resulting Numbers: [99, 43] Generated Node #0,1,0: 41:[99, 43] Operation: 2+41=43 Exploring Operation: 99-2=97, Resulting Numbers: [41, 97] Generated Node #0,1,1: 41:[41, 97] Operation: 99-2=97 Exploring Operation: 99-41=58, Resulting Numbers: [2, 58] Generated Node #0,1,2: 41:[2, 58] Operation: 99-41=58 Exploring Operation: 2+99=101, Resulting Numbers: [41, 101] Generated Node #0,1,3: 41:[41, 101] Operation: 2+99=101 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 41:[41, 97], Operations: ['6+35=41', '99-2=97'] Exploring Operation: 41*97=3977, Resulting Numbers: [3977] 3977,41 unequal: No Solution Exploring Operation: 41+97=138, Resulting Numbers: [138] 138,41 unequal: No Solution Exploring Operation: 97-41=56, Resulting Numbers: [56] 56,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 41:[2, 58], Operations: ['6+35=41', '99-41=58'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,41 unequal: No Solution Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,41 unequal: No Solution Exploring Operation: 2+58=60, Resulting Numbers: [60] 60,41 unequal: No Solution Exploring Operation: 2*58=116, Resulting Numbers: [116] 116,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 41:[99, 43], Operations: ['6+35=41', '2+41=43'] Exploring Operation: 99+43=142, Resulting Numbers: [142] 142,41 unequal: No Solution Exploring Operation: 99*43=4257, Resulting Numbers: [4257] 4257,41 unequal: No Solution Exploring Operation: 99-43=56, Resulting Numbers: [56] 56,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 41:[41, 101], Operations: ['6+35=41', '2+99=101'] Exploring Operation: 41+101=142, Resulting Numbers: [142] 142,41 unequal: No Solution Exploring Operation: 101-41=60, Resulting Numbers: [60] 60,41 unequal: No Solution Exploring Operation: 41*101=4141, Resulting Numbers: [4141] 4141,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 41:[99, 35, 8], Operations: ['6+2=8'] Exploring Operation: 35+8=43, Resulting Numbers: [99, 43] Generated Node #0,3,0: 41:[99, 43] Operation: 35+8=43 Exploring Operation: 99+8=107, Resulting Numbers: [35, 107] Generated Node #0,3,1: 41:[35, 107] Operation: 99+8=107 Exploring Operation: 99-35=64, Resulting Numbers: [8, 64] Generated Node #0,3,2: 41:[8, 64] Operation: 99-35=64 Exploring Operation: 99-8=91, Resulting Numbers: [35, 91] Generated Node #0,3,3: 41:[35, 91] Operation: 99-8=91 Moving to Node #0,3,2 Current State: 41:[8, 64], Operations: ['6+2=8', '99-35=64'] Exploring Operation: 8*64=512, Resulting Numbers: [512] 512,41 unequal: No Solution Exploring Operation: 64/8=8, Resulting Numbers: [8] 8,41 unequal: No Solution Exploring Operation: 64-8=56, Resulting Numbers: [56] 56,41 unequal: No Solution Exploring Operation: 8+64=72, Resulting Numbers: [72] 72,41 unequal: No Solution Moving to Node #0,3,3 Current State: 41:[35, 91], Operations: ['6+2=8', '99-8=91'] Exploring Operation: 35*91=3185, Resulting Numbers: [3185] 3185,41 unequal: No Solution Exploring Operation: 91-35=56, Resulting Numbers: [56] 56,41 unequal: No Solution Exploring Operation: 35+91=126, Resulting Numbers: [126] 126,41 unequal: No Solution Moving to Node #0,3,0 Current State: 41:[99, 43], Operations: ['6+2=8', '35+8=43'] Exploring Operation: 99*43=4257, Resulting Numbers: [4257] 4257,41 unequal: No Solution Exploring Operation: 99-43=56, Resulting Numbers: [56] 56,41 unequal: No Solution Exploring Operation: 99+43=142, Resulting Numbers: [142] 142,41 unequal: No Solution Moving to Node #0,3,1 Current State: 41:[35, 107], Operations: ['6+2=8', '99+8=107'] Exploring Operation: 35+107=142, Resulting Numbers: [142] 142,41 unequal: No Solution Exploring Operation: 107-35=72, Resulting Numbers: [72] 72,41 unequal: No Solution Exploring Operation: 35*107=3745, Resulting Numbers: [3745] 3745,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic